build

1 files changed, 13 insertions, 11 deletions

diff --git a/webtorrent.min.js b/webtorrent.min.js
index fb67ea2..bc72fb8 100644
--- a/webtorrent.min.js
+++ b/webtorrent.min.js
@@ -1,11 +1,13 @@
-(function(e){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=e()}else if(typeof define==="function"&&define.amd){define([],e)}else{var t;if(typeof window!=="undefined"){t=window}else if(typeof global!=="undefined"){t=global}else if(typeof self!=="undefined"){t=self}else{t=this}t.WebTorrent=e()}})(function(){var e,t,r;return function n(e,t,r){function i(o,s){if(!t[o]){if(!e[o]){var f=typeof require=="function"&&require;if(!s&&f)return f(o,!0);if(a)return a(o,!0);var c=new Error("Cannot find module '"+o+"'");throw c.code="MODULE_NOT_FOUND",c}var l=t[o]={exports:{}};e[o][0].call(l.exports,function(t){var r=e[o][1][t];return i(r?r:t)},l,l.exports,n,e,t,r)}return t[o].exports}var a=typeof require=="function"&&require;for(var o=0;o<r.length;o++)i(r[o]);return i}({1:[function(e,t,r){t.exports=f;var n=e("debug")("webtorrent:file-stream");var i=e("inherits");var a=e("path");var o=e("stream");var s=e("./media-stream");i(f,o.Readable);function f(e,t){var r=this;if(!(r instanceof f))return new f(e,t);o.Readable.call(r,t);n("new filestream %s",JSON.stringify(t));if(!t)t={};if(!t.start)t.start=0;if(!t.end)t.end=e.length-1;r.destroyed=false;r.length=t.end-t.start+1;var i=t.start+e.offset;var s=t.pieceLength;r.startPiece=i/s|0;r.endPiece=(t.end+e.offset)/s|0;r._extname=a.extname(e.name).toLowerCase();r._storage=e.storage;r._piece=r.startPiece;r._missing=r.length;r._reading=false;r._notifying=false;r._criticalLength=Math.min(1024*1024/s|0,2);r._offset=i-r.startPiece*s}f.prototype._read=function(){var e=this;n("_read");if(e._reading)return;e._reading=true;e.notify()};f.prototype.notify=function(){var e=this;n("notify");if(!e._reading||e._missing===0)return;if(!e._storage.bitfield.get(e._piece)){return e._storage.emit("critical",e._piece,e._piece+e._criticalLength)}if(e._notifying)return;e._notifying=true;var t=e._piece;n("before read %s",t);e._storage.read(e._piece++,function(r,i){n("after read %s (length %s) (err %s)",t,i.length,r&&r.message);e._notifying=false;if(e.destroyed)return;if(r){e._storage.emit("error",r);return e.destroy(r)}if(e._offset){i=i.slice(e._offset);e._offset=0}if(e._missing<i.length){i=i.slice(0,e._missing)}e._missing-=i.length;n("pushing buffer of length %s",i.length);e._reading=false;e.push(i);if(e._missing===0)e.push(null)})};f.prototype.pipe=function(e){var t=this;var r=o.Readable.prototype.pipe;if(e&&(e.nodeName==="VIDEO"||e.nodeName==="AUDIO")){var n={".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[t._extname];return r.call(t,new s(e,{type:n}))}else{return r.call(t,e)}};f.prototype.destroy=function(){var e=this;if(e.destroyed)return;e.destroyed=true;e._storage.emit("deselect",e.startPiece,e.endPiece,true)}},{"./media-stream":2,debug:137,inherits:146,path:76,stream:93}],2:[function(e,t,r){t.exports=s;var n=e("debug")("webtorrent:media-stream");var i=e("inherits");var a=e("stream");var o=typeof window!=="undefined"&&window.MediaSource;i(s,a.Writable);function s(e,t){var r=this;if(!(r instanceof s))return new s(e,t);a.Writable.call(r,t);if(!o)throw new Error("web browser lacks MediaSource support");if(!t)t={};n("new mediastream %s %s",e,JSON.stringify(t));r.media=e;r._mediaSource=new o;r._sourceBuffer=null;r._cb=null;r.media.src=window.URL.createObjectURL(r._mediaSource);r._mediaSource.addEventListener("sourceopen",function(){if(o.isTypeSupported(t.type)){r._sourceBuffer=r._mediaSource.addSourceBuffer(t.type);r._sourceBuffer.addEventListener("updateend",r._flow.bind(r));r._flow()}else{r._mediaSource.endOfStream("decode")}});r.on("finish",function(){n("finish");r._mediaSource.endOfStream()});window.vs=r}s.prototype._write=function(e,t,r){var i=this;if(!i._sourceBuffer){i._cb=function(n){if(n)return r(n);i._write(e,t,r)};return}if(i._sourceBuffer.updating){return r(new Error("Cannot append buffer while source buffer updating"))}i._sourceBuffer.appendBuffer(e);n("appendBuffer %s",e.length);i._cb=r};s.prototype._flow=function(){var e=this;n("flow");if(e._cb){e._cb(null)}}},{debug:137,inherits:146,stream:93}],3:[function(e,t,r){t.exports={".aac":"audio/aac",".css":"text/css",".html":"text/html",".js":"application/javascript",".m4a":"audio/mp4",".md":"text/x-markdown",".mp3":"audio/mpeg",".mp4":"video/mp4",".oga":"audio/ogg",".ogg":"audio/ogg",".pdf":"application/pdf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm"}},{}],4:[function(e,t,r){t.exports=n;function n(e,t){var r=this;r.swarm=e;r.numPieces=t;function n(e){e.on("have",function(e){r.pieces[e]++});e.on("bitfield",r.recalculate.bind(r));e.on("close",function(){for(var t=0;t<r.numPieces;++t){r.pieces[t]-=e.peerPieces.get(t)}})}r.swarm.wires.forEach(n);r.swarm.on("wire",function(e){r.recalculate();n(e)});r.recalculate()}n.prototype.recalculate=function(){var e=this;e.pieces=[];for(var t=0;t<e.numPieces;++t){e.pieces[t]=0}e.swarm.wires.forEach(function(t){for(var r=0;r<e.numPieces;++r){e.pieces[r]+=t.peerPieces.get(r)}})};n.prototype.getRarestPiece=function(e){var t=this;var r=[];var n=Infinity;e=e||function(){return true};for(var i=0;i<t.numPieces;++i){if(!e(i))continue;var a=t.pieces[i];if(a===n){r.push(i)}else if(a<n){r=[i];n=a}}if(r.length>0){return r[Math.random()*r.length|0]}else{return-1}}},{}],5:[function(e,t,r){var n=e("debug")("webtorrent:server");var i=e("http");var a=e("mime");var o=e("pump");var s=e("range-parser");var f=e("url");t.exports=function c(e,t){var r=i.createServer(t);r.on("connection",function(e){e.setTimeout(36e6)});r.on("request",function(t,r){n("onRequest");if(t.method==="OPTIONS"&&t.headers["access-control-request-headers"]){r.setHeader("Access-Control-Allow-Methods","POST, GET, OPTIONS");r.setHeader("Access-Control-Allow-Headers",t.headers["access-control-request-headers"]);r.setHeader("Access-Control-Max-Age","1728000");return r.end()}if(t.headers.origin){r.setHeader("Access-Control-Allow-Origin",t.headers.origin)}var i=f.parse(t.url).pathname;if(i==="/favicon.ico")return r.end();if(e.ready)c();else e.once("ready",c);function c(){if(i==="/"){r.setHeader("Content-Type","text/html");var f=e.files.map(function(e,t){return'<li><a href="/'+t+'">'+e.name+"</a></li>"}).join("<br>");return r.end("<h1>WebTorrent</h1><ol>"+f+"</ol>")}var c=Number(i.slice(1));if(Number.isNaN(c)||c>=e.files.length){r.statusCode=404;return r.end("404 Not Found")}var l=e.files[c];r.setHeader("Accept-Ranges","bytes");r.setHeader("Content-Type",a.lookup(l.name));r.statusCode=200;r.setHeader("transferMode.dlna.org","Streaming");r.setHeader("contentFeatures.dlna.org","DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000");var u;if(t.headers.range){r.statusCode=206;u=s(l.length,t.headers.range)[0];n("range %s",JSON.stringify(u));r.setHeader("Content-Range","bytes "+u.start+"-"+u.end+"/"+l.length);r.setHeader("Content-Length",u.end-u.start+1)}else{r.setHeader("Content-Length",l.length)}if(t.method==="HEAD")r.end();o(l.createReadStream(u),r)}});return r}},{debug:137,http:70,mime:147,pump:171,"range-parser":172,url:95}],6:[function(e,t,r){(function(r,n){t.exports=E;var i=e("bitfield");var a=e("block-stream2");var o=e("debug")("webtorrent:storage");var s=e("dezalgo");var f=e("end-of-stream");var c=e("events").EventEmitter;var l=e("./file-stream");var u=e("inherits");var d=e("./mime.json");var p=e("multistream");var h=e("once");var v=e("path");var m=e("simple-sha1");var g=16*1024;var _=0;var w=1;var b=2;function y(){}u(x,c);function x(e,t,r,n){var i=this;c.call(i);if(!o.enabled)i.setMaxListeners(0);i.index=e;i.hash=t;i.noVerify=!!n;if(typeof r==="number"){i.buffer=null;i.length=r}else{i.buffer=r;i.length=r.length}i._reset()}x.prototype.readBlock=function(e,t,r){var n=this;r=s(r);if(!n.buffer||!n._verifyOffset(e)){return r(new Error("invalid block offset "+e))}r(null,n.buffer.slice(e,e+t))};x.prototype.writeBlock=function(e,t,r){var n=this;r=s(r);if(!n._verifyOffset(e)||!n._verifyBlock(e,t)){return r(new Error("invalid block "+e+":"+t.length))}n._lazyAllocBuffer();var i=e/g;if(n.blocks[i]===b){return r(null)}t.copy(n.buffer,e);n.blocks[i]=b;n.blocksWritten+=1;if(n.blocksWritten===n.blocks.length){n.verify()}r(null)};x.prototype.reserveBlock=function(e){var t=this;var r=t.blocks.length;for(var n=0;n<r;n++){if(t.blocks[n]&&!e||t.blocks[n]===b){continue}t.blocks[n]=w;return{offset:n*g,length:n===r-1?t.length-n*g:g}}return null};x.prototype.cancelBlock=function(e){var t=this;if(!t._verifyOffset(e)){return false}var r=e/g;if(t.blocks[r]===w){t.blocks[r]=_}return true};x.prototype._reset=function(){var e=this;e.verified=false;e.blocks=new n(Math.ceil(e.length/g));e.blocks.fill(0);e.blocksWritten=0};x.prototype.verify=function(e){var t=this;e=e||t.buffer;if(t.verified||!e){return}if(t.noVerify){t.verified=true;r();return}m(e,function(e){t.verified=e===t.hash;r()});function r(){if(t.verified){t.emit("done")}else{t.emit("warning",new Error("piece "+t.index+" failed verification"));t._reset()}}};x.prototype._verifyOffset=function(e){var t=this;if(e%g===0){return true}else{t.emit("warning",new Error("invalid block offset "+e+", not multiple of "+g));return false}};x.prototype._verifyBlock=function(e,t){var r=this;if(t.length===g){return true}else if(t.length===r.length-e&&r.length-e<g){return true}else{r.emit("warning",new Error("invalid block size "+t.length));return false}};x.prototype._lazyAllocBuffer=function(){var e=this;if(!e.buffer){e.buffer=new n(e.length)}};u(k,c);function k(e,t,r,n){var i=this;c.call(i);if(!o.enabled)i.setMaxListeners(0);i.storage=e;i.name=t.name;i.path=t.path;i.length=t.length;i.offset=t.offset;i.pieces=r;i.pieceLength=n;i.done=false;i.pieces.forEach(function(e){e.on("done",function(){i._checkDone()})});i._checkDone()}k.prototype.select=function(){var e=this;if(e.pieces.length>0){var t=e.pieces[0].index;var r=e.pieces[e.pieces.length-1].index;e.storage.emit("select",t,r,false)}};k.prototype.deselect=function(){var e=this;if(e.pieces.length>0){var t=e.pieces[0].index;var r=e.pieces[e.pieces.length-1].index;e.storage.emit("deselect",t,r,false)}};k.prototype.createReadStream=function(e){var t=this;if(!e)e={};if(e.pieceLength==null)e.pieceLength=t.pieceLength;var r=new l(t,e);t.storage.emit("select",r.startPiece,r.endPiece,true,r.notify.bind(r));f(r,function(){t.storage.emit("deselect",r.startPiece,r.endPiece,true)});return r};k.prototype.getBlobURL=function(e){var t=this;if(typeof window==="undefined")throw new Error("browser-only method");t.getBuffer(function(r,n){if(r)return e(r);var i=d[v.extname(t.name).toLowerCase()];var a=i?new window.Blob([n],{type:i}):new window.Blob([n]);var o=window.URL.createObjectURL(a);e(null,o)})};k.prototype.getBuffer=function(e){var t=this;e=s(h(e));var r;if(t.storage.buffer){var i=function(){r=t.storage.buffer.slice(t.offset,t.offset+t.length);e(null,r)};if(t.done)i();else t.once("done",i)}else{r=new n(t.length);var a=0;t.createReadStream().on("data",function(e){e.copy(r,a);a+=e.length}).on("end",function(){e(null,r)}).on("error",e)}};k.prototype._checkDone=function(){var e=this;e.done=e.pieces.every(function(e){return e.verified});if(e.done){r.nextTick(function(){e.emit("done")})}};u(E,c);function E(e,t){var r=this;c.call(r);if(!o.enabled)r.setMaxListeners(0);if(!t)t={};r.bitfield=new i(e.pieces.length);r.done=false;r.closed=false;r.readonly=true;if(!t.nobuffer){r.buffer=new n(e.length)}var a=r.pieceLength=e.pieceLength;var s=e.lastPieceLength;var f=e.pieces.length;r.pieces=e.pieces.map(function(e,n){var i=n*a;var o=i+(n===f-1?s:a);var c=r.buffer?r.buffer.slice(i,o):o-i;var l=new x(n,e,c,!!t.noVerify);l.on("done",r._onPieceDone.bind(r,l));return l});r.files=e.files.map(function(e){var t=e.offset;var n=t+e.length-1;var i=t/a|0;var o=n/a|0;var s=r.pieces.slice(i,o+1);var f=new k(r,e,s,a);f.on("done",r._onFileDone.bind(r,f));return f})}E.BLOCK_LENGTH=g;E.prototype.load=function(e,t){var r=this;if(!Array.isArray(e))e=[e];t=h(t||function(){});var n=0;var i=new p(e);var o=new a(r.pieceLength,{zeroPadding:false});i.on("error",f);r.once("done",c);i.pipe(o).on("data",s).on("error",f);function s(e){var t=n;n+=1;var i=0;var o=new a(g,{zeroPadding:false});o.on("data",s);o.on("end",f);function s(e){var n=i*g;i+=1;r.writeBlock(t,n,e)}function f(){c()}function c(){o.removeListener("data",s);o.removeListener("end",f)}o.end(e)}function f(e){l();t(e)}function c(){l();t(null)}function l(){i.removeListener("error",f);o.removeListener("data",s);o.removeListener("error",f);r.removeListener("done",c)}};Object.defineProperty(E.prototype,"downloaded",{get:function(){var e=this;return e.pieces.reduce(function(e,t){return e+(t.verified?t.length:t.blocksWritten*g)},0)}});Object.defineProperty(E.prototype,"numMissing",{get:function(){var e=this;var t=e.pieces.length;for(var r=0,n=e.pieces.length;r<n;r++){t-=e.bitfield.get(r)}return t}});E.prototype.readBlock=function(e,t,r,n){var i=this;n=s(n);var a=i.pieces[e];if(!a)return n(new Error("invalid piece index "+e));a.readBlock(t,r,n)};E.prototype.writeBlock=function(e,t,r,n){var i=this;if(!n)n=y;n=s(n);if(i.readonly)return n(new Error("cannot write to readonly storage"));var a=i.pieces[e];if(!a)return n(new Error("invalid piece index "+e));a.writeBlock(t,r,n)};E.prototype.read=function(e,t,r,i){var a=this;if(typeof t==="function"){i=r;r=t;t=null}r=s(r);var o=a.pieces[e];if(!o){return r(new Error("invalid piece index "+e))}if(!o.verified&&!i){return r(new Error("Storage.read called on incomplete piece "+e))}var f=0;var c=o.length;if(t){f=t.offset||0;c=t.length||c}if(o.buffer){return r(null,o.buffer.slice(f,f+c))}var l=[];function u(){if(c<=0)return r(null,n.concat(l));var t=f;var i=Math.min(g,c);f+=i;c-=i;a.readBlock(e,t,i,function(e,t){if(e)return r(e);l.push(t);u()})}u()};E.prototype.reserveBlock=function(e,t){var r=this;var n=r.pieces[e];if(!n)return null;return n.reserveBlock(t)};E.prototype.cancelBlock=function(e,t){var r=this;var n=r.pieces[e];if(!n)return false;return n.cancelBlock(t)};E.prototype.remove=function(e){if(e)s(e)(null)};E.prototype.close=function(e){var t=this;t.closed=true;if(e)s(e)(null)};E.prototype._onPieceDone=function(e){var t=this;t.bitfield.set(e.index);o("piece done "+e.index+" ("+t.numMissing+" still missing)");t.emit("piece",e)};E.prototype._onFileDone=function(e){var t=this;o("file done "+e.name);t.emit("file",e);t._checkDone()};E.prototype._checkDone=function(){var e=this;if(!e.done&&e.files.every(function(e){return e.done})){e.done=true;e.emit("done")}}}).call(this,e("_process"),e("buffer").Buffer)},{"./file-stream":1,"./mime.json":3,_process:77,bitfield:9,"block-stream2":38,buffer:65,debug:137,dezalgo:140,"end-of-stream":144,events:69,inherits:146,multistream:149,once:152,path:76,"simple-sha1":178}],7:[function(e,t,r){(function(r,n){t.exports=L;var i=e("addr-to-ip-port");var a=e("create-torrent");var o=e("debug")("webtorrent:torrent");var s=e("torrent-discovery");var f=e("events").EventEmitter;var c=e("inherits");var l=e("run-parallel");var u=e("parse-torrent");var d=e("re-emitter");var p=e("bittorrent-swarm");var h=e("uniq");var v=e("ut_metadata");var m=e("ut_pex");var g=e("./rarity-map");var _=e("./server");var w=e("./storage");var b=128*1024;var y=3e4;var x=5e3;var k=3*w.BLOCK_LENGTH;var E=.5;var S=1;var A=1e4;var T=2;function I(){}c(L,f);function L(e,t){var r=this;f.call(r);if(!o.enabled)r.setMaxListeners(0);o("new torrent");r.opts=t;r.client=t.client;r.hotswapEnabled="hotswap"in t?t.hotswap:true;r.verify=t.verify;r.chokeTimeout=t.chokeTimeout||x;r.pieceTimeout=t.pieceTimeout||y;r.strategy=t.strategy||"sequential";r._rechokeNumSlots=t.uploads===false||t.uploads===0?0:+t.uploads||10;r._rechokeOptimisticWire=null;r._rechokeOptimisticTime=0;r._rechokeIntervalId=null;r.ready=false;r.destroyed=false;r.files=[];r.metadata=null;r.parsedTorrent=null;r.storage=null;r.numBlockedPeers=0;r._amInterested=false;r._selections=[];r._critical=[];r._storageImpl=t.storage||w;this._torrentFileURL=null;if(e)r._onTorrentId(e)}Object.defineProperty(L.prototype,"length",{get:function(){return this.parsedTorrent&&this.parsedTorrent.length||0}});Object.defineProperty(L.prototype,"timeRemaining",{get:function(){if(this.swarm.downloadSpeed()===0)return Infinity;else return(this.length-this.downloaded)/this.swarm.downloadSpeed()*1e3}});Object.defineProperty(L.prototype,"progress",{get:function(){return this.parsedTorrent&&this.downloaded/this.parsedTorrent.length||0}});Object.defineProperty(L.prototype,"downloaded",{get:function(){return this.storage&&this.storage.downloaded||0}});Object.defineProperty(L.prototype,"uploaded",{get:function(){return this.swarm.uploaded}});Object.defineProperty(L.prototype,"ratio",{get:function(){return this.uploaded&&this.downloaded/this.uploaded||0}});Object.defineProperty(L.prototype,"magnetURI",{get:function(){return u.toMagnetURI(this.parsedTorrent)}});Object.defineProperty(L.prototype,"torrentFile",{get:function(){return u.toTorrentFile(this.parsedTorrent)}});Object.defineProperty(L.prototype,"torrentFileURL",{get:function(){if(typeof window==="undefined")throw new Error("browser-only property");if(this._torrentFileURL)return this._torrentFileURL;this._torrentFileURL=window.URL.createObjectURL(new window.Blob([this.torrentFile],{type:"application/x-bittorrent"}));return this._torrentFileURL}});L.prototype._onTorrentId=function(e){var t=this;if(t.destroyed)return;var r=e&&e.parsedTorrent;if(r){t._onParsedTorrent(r)}else{u.remote(e,function(e,r){if(t.destroyed)return;if(e)return t._onError(e);t._onParsedTorrent(r)})}};L.prototype._onParsedTorrent=function(e){var t=this;if(t.destroyed)return;t.parsedTorrent=e;t.infoHash=e.infoHash;if(!t.infoHash){return t._onError(new Error("Malformed torrent data: Missing info hash."))}if(t.parsedTorrent.name)t.name=t.parsedTorrent.name;if(t.opts.announce){t.parsedTorrent.announce=t.parsedTorrent.announce.concat(t.opts.announce)}if(n.WEBTORRENT_ANNOUNCE){t.parsedTorrent.announce=t.parsedTorrent.announce.concat(n.WEBTORRENT_ANNOUNCE)}if(t.parsedTorrent.announce.length===0){t.parsedTorrent.announce=a.announceList.map(function(e){return e[0]})}h(t.parsedTorrent.announce);t.swarm=new p(t.infoHash,t.client.peerId,{handshake:{dht:!!t.client.dht}});t.swarm.on("error",t._onError.bind(t));d(t.swarm,t,["warning"]);t.swarm.on("wire",t._onWire.bind(t));t.swarm.on("download",t.client.downloadSpeed.bind(t.client));t.swarm.on("upload",t.client.uploadSpeed.bind(t.client));t.swarm.listen(t.client.torrentPort,t._onSwarmListening.bind(t));if(t.parsedTorrent.urlList){t.parsedTorrent.urlList.forEach(t.addWebSeed.bind(t))}r.nextTick(function(){if(t.destroyed)return;t.emit("infoHash",t.infoHash)})};L.prototype._onSwarmListening=function(){var e=this;if(e.destroyed)return;if(e.swarm.server)e.client.torrentPort=e.swarm.address().port;e.discovery=new s({announce:e.parsedTorrent.announce,dht:e.client.dht,tracker:e.client.tracker,peerId:e.client.peerId,port:e.client.torrentPort,rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc});e.discovery.on("error",e._onError.bind(e));e.discovery.setTorrent(e.infoHash);e.discovery.on("peer",e.addPeer.bind(e));d(e.discovery,e,["dhtAnnounce","warning"]);if(e.parsedTorrent.info)e._onMetadata(e.parsedTorrent);e.emit("listening",e.client.torrentPort)};L.prototype._onMetadata=function(e){var t=this;if(t.metadata||t.destroyed)return;o("got metadata");if(e&&e.infoHash){t.metadata=u.toTorrentFile(e);t.parsedTorrent=e}else{t.metadata=e;var n=t.parsedTorrent.announce;try{t.parsedTorrent=u(t.metadata)}catch(i){return t._onError(i)}t.parsedTorrent.announce=n}t.name=t.parsedTorrent.name;t.discovery.setTorrent(t.parsedTorrent);t.rarityMap=new g(t.swarm,t.parsedTorrent.pieces.length);t.storage=new t._storageImpl(t.parsedTorrent,t.opts);t.storage.on("piece",t._onStoragePiece.bind(t));t.storage.on("file",function(e){t.emit("file",e)});t._reservations=t.storage.pieces.map(function(){return[]});t.storage.on("done",function(){if(t.discovery.tracker)t.discovery.tracker.complete();o("torrent "+t.infoHash+" done");t.emit("done")});t.storage.on("select",t.select.bind(t));t.storage.on("deselect",t.deselect.bind(t));t.storage.on("critical",t.critical.bind(t));t.storage.files.forEach(function(e){t.files.push(e)});t.swarm.wires.forEach(function(e){if(e.ut_metadata)e.ut_metadata.setMetadata(t.metadata);t._onWireWithMetadata(e)});if(t.verify){r.nextTick(function(){o("verifying existing torrent data");var e=0;var r=0;l(t.storage.pieces.map(function(n){return function(i){t.storage.read(n.index,function(a,s){e+=1;t.emit("verifying",{percentDone:100*e/t.storage.pieces.length,percentVerified:100*r/t.storage.pieces.length});if(!a&&s){n.verify(s);r+=n.verified;o("piece "+(n.verified?"verified":"invalid")+" "+n.index)}i()},true)}}),t._onStorage.bind(t))})}else{r.nextTick(t._onStorage.bind(t))}r.nextTick(function(){t.emit("metadata")})};L.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;o("destroy");if(t._rechokeIntervalId){clearInterval(t._rechokeIntervalId);t._rechokeIntervalId=null}if(t._torrentFileURL)window.URL.revokeObjectURL(t._torrentFileURL);var r=[];if(t.swarm)r.push(function(e){t.swarm.destroy(e)});if(t.discovery)r.push(function(e){t.discovery.stop(e)});if(t.storage)r.push(function(e){t.storage.close(e)});l(r,e)};L.prototype.addPeer=function(e){var t=this;function r(){t.emit("peer",e);t.swarm.addPeer(e)}if(typeof e==="string"&&t.client.blocked&&t.client.blocked.contains(i(e)[0])){t.numBlockedPeers+=1;t.emit("blockedPeer",e);return false}else{if(t.swarm)r();else t.on("listening",r);return true}};L.prototype.addWebSeed=function(e){var t=this;t.swarm.addWebSeed(e,t.parsedTorrent)};L.prototype.select=function(e,t,r,n){var i=this;if(e>t||e<0||t>=i.storage.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;o("select %s-%s (priority %s)",e,t,r);i._selections.push({from:e,to:t,offset:0,priority:r,notify:n||I});i._selections.sort(function(e,t){return t.priority-e.priority});i._updateSelections()};L.prototype.deselect=function(e,t,r){var n=this;r=Number(r)||0;o("deselect %s-%s (priority %s)",e,t,r);for(var i=0;i<n._selections.length;++i){var a=n._selections[i];if(a.from===e&&a.to===t&&a.priority===r){n._selections.splice(i--,1);break}}n._updateSelections()};L.prototype.critical=function(e,t){var r=this;o("critical %s-%s",e,t);for(var n=e;n<=t;++n){r._critical[n]=true}r._updateSelections()};L.prototype._onWire=function(e,t){var r=this;o("got wire (%s)",t||"Unknown");if(t){var n=i(t);e.remoteAddress=n[0];e.remotePort=n[1]}if(e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening){e.on("port",function(t){if(!e.remoteAddress){o("ignoring port from peer with no address");return}o("port: %s (from %s)",t,e.remoteAddress+":"+e.remotePort);r.client.dht.addNode(e.remoteAddress+":"+t)});e.port(r.client.dht.address().port)}e.on("timeout",function(){o("wire timeout (%s)",t);e.destroy()});e.setTimeout(r.pieceTimeout,true);e.setKeepAlive(true);e.use(v(r.metadata));if(!r.metadata){e.ut_metadata.on("metadata",function(e){o("got metadata via ut_metadata");r._onMetadata(e)});e.ut_metadata.fetch()}if(typeof m==="function"){e.use(m());e.ut_pex.on("peer",function(e){o("ut_pex: got peer: %s (from %s)",e,t);r.addPeer(e)});e.ut_pex.on("dropped",function(e){o("ut_pex: dropped peer: %s (from %s)",e,t);var n=r.swarm._peers[e];if(!n||!n.conn)r.swarm.removePeer(e)})}r.emit("wire",e);if(r.metadata){r._onWireWithMetadata(e)}};L.prototype._onWireWithMetadata=function(e){var t=this;var r=null;var n=t.chokeTimeout;function i(){if(t.destroyed||e.destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(i,n);if(r.unref)r.unref()}}var a=0;function s(){if(e.peerPieces.length!==t.storage.pieces.length)return;for(;a<t.storage.pieces.length;++a){if(!e.peerPieces.get(a))return}e.isSeeder=true;e.choke()}e.on("bitfield",function(){s();t._update()});e.on("have",function(){s();t._update()});e.once("interested",function(){e.unchoke()});e.on("close",function(){clearTimeout(r)});e.on("choke",function(){clearTimeout(r);r=setTimeout(i,n);if(r.unref)r.unref()});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,n,i,a){if(i>b){o("got invalid block size request %s (from %s)",i,e.remoteAddress+":"+e.remotePort);return e.destroy()}t.storage.readBlock(r,n,i,a)});e.bitfield(t.storage.bitfield);e.interested();r=setTimeout(i,n);if(r.unref)r.unref();e.isSeeder=false;s()};L.prototype._onStorage=function(){var e=this;if(e.destroyed)return;o("on storage");e.storage.readonly=false;e.select(0,e.storage.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),A);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();r.nextTick(function(){e.ready=true;e.emit("ready")})};L.prototype._onStoragePiece=function(e){var t=this;o("piece done %s",e.index);t._reservations[e.index]=null;t.swarm.wires.forEach(function(t){t.have(e.index)});t._gcSelections()};L.prototype._updateSelections=function(){var e=this;if(!e.swarm||e.destroyed)return;if(!e.metadata)return e.once("metadata",e._updateSelections.bind(e));r.nextTick(e._gcSelections.bind(e));e._updateInterest();e._update()};L.prototype._gcSelections=function(){var e=this;for(var t=0;t<e._selections.length;t++){var r=e._selections[t];var n=r.offset;while(e.storage.bitfield.get(r.from+r.offset)&&r.from+r.offset<r.to){r.offset++}if(n!==r.offset)r.notify();if(r.to!==r.from+r.offset)continue;if(!e.storage.bitfield.get(r.from+r.offset))continue;e._selections.splice(t--,1);r.notify();e._updateInterest()}if(!e._selections.length)e.emit("idle")};L.prototype._updateInterest=function(){var e=this;var t=e._amInterested;e._amInterested=!!e._selections.length;e.swarm.wires.forEach(function(t){if(e._amInterested)t.interested();else t.uninterested()});if(t===e._amInterested)return;if(e._amInterested)e.emit("interested");else e.emit("uninterested")};L.prototype._update=function(){var e=this;if(e.destroyed)return;B(e.swarm.wires,e._updateWire.bind(e))};L.prototype._updateWire=function(e){var t=this;if(e.peerChoking)return;if(!e.downloaded)return a();var r=C(e,E);if(e.requests.length>=r)return;var n=C(e,S);f(false)||f(true);function i(t,r,n,i){return function(a){return a>=t&&a<=r&&!(a in n)&&e.peerPieces.get(a)&&(!i||i(a))}}function a(){if(e.requests.length)return;for(var r=t._selections.length;r--;){var n=t._selections[r];var a;if(t.strategy==="rarest"){var o=n.from+n.offset;var s=n.to;var f=s-o+1;var c={};var l=0;var u=i(o,s,c);while(l<f){a=t.rarityMap.getRarestPiece(u);if(a<0)break;if(t._request(e,a,false))return;c[a]=true;l+=1}}else{for(a=n.to;a>=n.from+n.offset;--a){if(!e.peerPieces.get(a))continue;if(t._request(e,a,false))return}}}}function o(){var r=e.downloadSpeed()||1;if(r>k)return function(){return true};var n=Math.max(1,e.requests.length)*w.BLOCK_LENGTH/r;var i=10;var a=0;return function(e){if(!i||t.storage.bitfield.get(e))return true;var o=t.storage.pieces[e];var s=o.blocks.length-o.blocksWritten;for(;a<t.swarm.wires.length;a++){var f=t.swarm.wires[a];var c=f.downloadSpeed();if(c<k)continue;if(c<=r)continue;if(!f.peerPieces.get(e))continue;if((s-=c*n)>0)continue;i--;return false}return true}}function s(e){var r=e;for(var n=e;n<t._selections.length&&t._selections[n].priority;n++){r=n}var i=t._selections[e];t._selections[e]=t._selections[r];t._selections[r]=i}function f(r){if(e.requests.length>=n)return true;var a=o();for(var f=0;f<t._selections.length;f++){var c=t._selections[f];var l;if(t.strategy==="rarest"){var u=c.from+c.offset;var d=c.to;var p=d-u+1;var h={};var v=0;var m=i(u,d,h,a);while(v<p){l=t.rarityMap.getRarestPiece(m);if(l<0)break;while(t._request(e,l,t._critical[l]||r)){}if(e.requests.length<n){h[l]=true;v++;continue}if(c.priority)s(f);return true}}else{for(l=c.from+c.offset;l<=c.to;l++){if(!e.peerPieces.get(l)||!a(l))continue;while(t._request(e,l,t._critical[l]||r)){}if(e.requests.length<n)continue;if(c.priority)s(f);return true}}}return false}};L.prototype._rechoke=function(){var e=this;if(e._rechokeOptimisticTime>0)e._rechokeOptimisticTime-=1;else e._rechokeOptimisticWire=null;var t=[];e.swarm.wires.forEach(function(r){if(!r.isSeeder&&r!==e._rechokeOptimisticWire){t.push({wire:r,downloadSpeed:r.downloadSpeed(),uploadSpeed:r.uploadSpeed(),salt:Math.random(),isChoked:true})}});t.sort(o);var r=0;var n=0;for(;n<t.length&&r<e._rechokeNumSlots;++n){t[n].isChoked=false;if(t[n].wire.peerInterested)r+=1}if(!e._rechokeOptimisticWire&&n<t.length&&e._rechokeNumSlots){var i=t.slice(n).filter(function(e){return e.wire.peerInterested});var a=i[R(i.length)];if(a){a.isChoked=false;e._rechokeOptimisticWire=a.wire;e._rechokeOptimisticTime=T}}t.forEach(function(e){if(e.wire.amChoking!==e.isChoked){if(e.isChoked)e.wire.choke();else e.wire.unchoke()}});function o(e,t){if(e.downloadSpeed!==t.downloadSpeed){return t.downloadSpeed-e.downloadSpeed}if(e.uploadSpeed!==t.uploadSpeed){return t.uploadSpeed-e.uploadSpeed}if(e.wire.amChoking!==t.wire.amChoking){return e.wire.amChoking?1:-1}return e.salt-t.salt}};L.prototype._hotswap=function(e,t){var r=this;if(!r.hotswapEnabled)return false;var n=e.downloadSpeed();if(n<w.BLOCK_LENGTH)return false;if(!r._reservations[t])return false;var i=r._reservations[t];if(!i){return false}var a=Infinity;var o;var s;for(s=0;s<i.length;s++){var f=i[s];if(!f||f===e)continue;var c=f.downloadSpeed();if(c>=k)continue;if(2*c>n||c>a)continue;o=f;a=c}if(!o)return false;for(s=0;s<i.length;s++){if(i[s]===o)i[s]=null}for(s=0;s<o.requests.length;s++){var l=o.requests[s];if(l.piece!==t)continue;r.storage.cancelBlock(t,l.offset)}r.emit("hotswap",o,e,t);return true};L.prototype._request=function(e,t,n){var i=this;var a=e.requests.length;if(i.storage.bitfield.get(t))return false;var s=C(e,S);if(a>=s)return false;var f=e.requests.length===0&&i.storage.numMissing<30;var c=i.storage.reserveBlock(t,f);if(!c&&!f&&n&&i._hotswap(e,t)){c=i.storage.reserveBlock(t,false)}if(!c)return false;var l=i._reservations[t];if(!l){l=i._reservations[t]=[]}var u=l.indexOf(null);if(u===-1)u=l.length;l[u]=e;function d(n,a){if(!i.ready){i.once("ready",function(){d(n,a)});return}if(l[u]===e)l[u]=null;if(n){o("error getting piece %s (offset: %s length: %s) from %s: %s",t,c.offset,c.length,e.remoteAddress+":"+e.remotePort,n.message);i.storage.cancelBlock(t,c.offset);r.nextTick(i._update.bind(i));return false}else{o("got piece %s (offset: %s length: %s) from %s",t,c.offset,c.length,e.remoteAddress+":"+e.remotePort);i.storage.writeBlock(t,c.offset,a,function(e){if(e){o("error writing block");i.storage.cancelBlock(t,c.offset)}r.nextTick(i._update.bind(i))})}}e.request(t,c.offset,c.length,d);return true};L.prototype.createServer=function(e){var t=this;if(typeof _==="function"){return new _(t,e)}};L.prototype._onError=function(e){var t=this;o("torrent error: %s",e.message||e);t.emit("error",e);t.destroy()};function C(e,t){return Math.ceil(2+t*e.downloadSpeed()/w.BLOCK_LENGTH)}function R(e){return Math.random()*e|0}function B(e,t){var r=e.map(function(e,t){return t});for(var n=r.length-1;n>0;--n){var i=R(n+1);var a=r[n];r[n]=r[i];r[i]=a}r.forEach(function(r){t(e[r],r,e)})}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./rarity-map":4,"./server":5,"./storage":6,_process:77,"addr-to-ip-port":8,"bittorrent-swarm":10,"create-torrent":98,debug:137,events:69,inherits:146,"parse-torrent":153,"re-emitter":173,"run-parallel":174,"torrent-discovery":181,uniq:202,ut_metadata:203,ut_pex:51}],8:[function(e,t,r){var n=/^\[?([^\]]+)\]?:(\d+)$/;var i={};var a=0;t.exports=function o(e){if(a===1e5)i={};if(!i[e]){var t=n.exec(e);if(!t)throw new Error("invalid addr: "+e);i[e]=[t[1],Number(t[2])];a+=1}return i[e]};t.exports.reset=function s(){i={}}},{}],9:[function(e,t,r){(function(e){var r=typeof e!=="undefined"?e:typeof Int8Array!=="undefined"?Int8Array:function(e){var t=new Array(e);for(var r=0;r<e;r++)t[r]=0};function n(e,t){if(!(this instanceof n)){return new n(e,t)}if(arguments.length===0){e=0}this.grow=t&&(isFinite(t.grow)&&i(t.grow)||t.grow)||0;
-if(typeof e==="number"||e===undefined){e=new r(i(e));if(e.fill)e.fill(0)}this.buffer=e}function i(e){var t=e>>3;if(e%8!==0)t++;return t}n.prototype.get=function(e){var t=e>>3;return t<this.buffer.length&&!!(this.buffer[t]&128>>e%8)};n.prototype.set=function(e,t){var r=e>>3;if(t||arguments.length===1){if(this.buffer.length<r+1)this._grow(Math.max(r+1,Math.min(2*this.buffer.length,this.grow)));this.buffer[r]|=128>>e%8}else if(r<this.buffer.length){this.buffer[r]&=~(128>>e%8)}};n.prototype._grow=function(e){if(this.buffer.length<e&&e<=this.grow){var t=new r(e);if(t.fill)t.fill(0);if(this.buffer.copy)this.buffer.copy(t,0);else{for(var n=0;n<this.buffer.length;n++){t[n]=this.buffer[n]}}this.buffer=t}};if(typeof t!=="undefined")t.exports=n}).call(this,e("buffer").Buffer)},{buffer:65}],10:[function(e,t,r){(function(r,n){t.exports=v;var i=e("addr-to-ip-port");var a=e("debug")("bittorrent-swarm");var o=e("dezalgo");var s=e("events").EventEmitter;var f=e("inherits");var c=e("net");var l=e("./lib/peer");var u=e("speedometer");var d=e("./lib/tcp-pool");var p=55;var h=[1e3,5e3,15e3];f(v,s);function v(e,t,r){var i=this;if(!(i instanceof v))return new v(e,t,r);s.call(i);i.infoHash=typeof e==="string"?new n(e,"hex"):e;i.infoHashHex=i.infoHash.toString("hex");i.peerId=typeof t==="string"?new n(t,"hex"):t;i.peerIdHex=i.peerId.toString("hex");if(!r)r={};a("new swarm (i %s p %s)",i.infoHashHex,i.peerIdHex);i.handshakeOpts=r.handshake;i.maxConns=r.maxConns!==undefined?r.maxConns:p;i.destroyed=false;i.listening=false;i.paused=false;i.server=null;i.wires=[];i._queue=[];i._peers={};i._peersLength=0;i._port=0;i.downloaded=0;i.uploaded=0;i.downloadSpeed=u();i.uploadSpeed=u()}Object.defineProperty(v.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}});Object.defineProperty(v.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}});Object.defineProperty(v.prototype,"numConns",{get:function(){var e=this;var t=0;for(var r in e._peers){var n=e._peers[r];if(n&&n.conn)t+=1}return t}});Object.defineProperty(v.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}});v.prototype.addPeer=function(e){var t=this;if(t.destroyed){if(e&&e.destroy)e.destroy(new Error("swarm already destroyed"));return}if(typeof e==="string"&&!t._validAddr(e)){a("ignoring invalid peer %s (from swarm.addPeer)",e);return}var r=e&&e.id||e;if(t._peers[r])return;a("addPeer %s",r);var n;if(typeof e==="string"){n=l.createOutgoingTCPPeer(e,t);t._queue.push(n);t._drain()}else{n=l.createWebRTCPeer(e,t)}t._peers[n.id]=n;t._peersLength+=1};v.prototype.addWebSeed=function(e,t){var r=this;if(r.destroyed)return;if(!/^https?:\/\/.+/.test(e)){a("ignoring invalid web seed %s (from swarm.addWebSeed)",e);return}if(r._peers[e])return;a("addWebSeed %s",e);r._peers[e]=l.createWebPeer(e,t,r);r._peersLength+=1};v.prototype._addIncomingPeer=function(e){var t=this;if(t.destroyed)return e.destroy(new Error("swarm already destroyed"));if(t.paused)return e.destroy(new Error("swarm paused"));if(!t._validAddr(e.addr)){return e.destroy(new Error("invalid addr "+e.addr+" (from incoming)"))}a("_addIncomingPeer %s",e.id);t._peers[e.id]=e;t._peersLength+=1};v.prototype.removePeer=function(e){var t=this;var r=t._peers[e];if(!r)return;a("removePeer %s",e);t._peers[e]=null;t._peersLength-=1;r.destroy()};v.prototype.pause=function(){var e=this;if(e.destroyed)return;a("pause");e.paused=true};v.prototype.resume=function(){var e=this;if(e.destroyed)return;a("resume");e.paused=false;e._drain()};v.prototype.listen=function(e,t,n){var i=this;if(typeof t==="function"){n=t;t=undefined}if(n)n=o(n);if(i.listening)throw new Error("swarm already listening");if(r.browser){n()}else{i._port=e||d.getDefaultListenPort(i.infoHashHex);i._hostname=t;if(n)i.once("listening",n);a("listen %s",e);var s=d.addSwarm(i);i.server=s.server}};v.prototype._onListening=function(e){var t=this;t._port=e;t.listening=true;t.emit("listening")};v.prototype.address=function(){var e=this;return e.server.address()};v.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.listening=false;t.paused=false;if(e)t.once("close",e);a("destroy");for(var r in t._peers){t.removePeer(r)}d.removeSwarm(t,function(){t.emit("close")})};v.prototype._drain=function(){var e=this;a("_drain numConns %s maxConns %s",e.numConns,e.maxConns);if(typeof c.connect!=="function"||e.destroyed||e.paused||e.numConns>=e.maxConns){return}a("drain (%s queued, %s/%s peers)",e.numQueued,e.numPeers,e.maxConns);var t=e._queue.shift();if(!t)return;a("tcp connect attempt to %s",t.addr);var r=i(t.addr);var n=r[0];var o=r[1];var s=t.conn=c.connect({host:n,port:o,localAddress:e._hostname});s.once("connect",function(){t.onConnect()});s.once("error",function(e){t.destroy(e)});t.setConnectTimeout();s.on("close",function(){if(e.destroyed)return;if(t.retries>=h.length){a("conn %s closed: will not re-add (max %s attempts)",t.addr,h.length);return}function r(){var r=l.createOutgoingTCPPeer(t.addr,e);r.retries=t.retries+1;e._queue.push(r);e._drain()}var n=h[t.retries];a("conn %s closed: will re-add to queue in %sms (attempt %s)",t.addr,n,t.retries+1);var i=setTimeout(r,n);if(i.unref)i.unref()})};v.prototype._onError=function(e){var t=this;t.emit("error",e);t.destroy()};v.prototype._validAddr=function(e){var t=this;var r=i(e);var n=r[0];var a=r[1];return a>0&&a<65535&&!(n==="127.0.0.1"&&a===t._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":11,"./lib/tcp-pool":12,_process:77,"addr-to-ip-port":51,buffer:65,debug:27,dezalgo:30,events:69,inherits:33,net:51,speedometer:37}],11:[function(e,t,r){var n=e("debug")("bittorrent-swarm:peer");var i=e("./webconn");var a=e("bittorrent-protocol");var o=25e3;var s=25e3;r.createWebRTCPeer=function(e,t){var r=new f(e.id);r.conn=e;r.swarm=t;if(r.conn.connected){r.onConnect()}else{r.conn.once("connect",function(){r.onConnect()});r.conn.once("error",function(e){r.destroy(e)});r.setConnectTimeout()}return r};r.createIncomingTCPPeer=function(e){var t=e.remoteAddress+":"+e.remotePort;var r=new f(t);r.conn=e;r.addr=t;r.onConnect();return r};r.createOutgoingTCPPeer=function(e,t){var r=new f(e);r.addr=e;r.swarm=t;return r};r.createWebPeer=function(e,t,r){var n=new f(e);n.swarm=r;n.conn=new i(e,t);n.onConnect();return n};function f(e){var t=this;t.id=e;n("new Peer %s",e);t.addr=null;t.conn=null;t.swarm=null;t.wire=null;t.destroyed=false;t.timeout=null;t.retries=0;t.sentHandshake=false}f.prototype.onConnect=function(){var e=this;if(e.destroyed)return;n("Peer %s connected",e.id);clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()});t.once("close",function(){e.destroy()});t.once("finish",function(){e.destroy()});t.once("error",function(t){e.destroy(t)});var r=e.wire=new a;r.once("end",function(){e.destroy()});r.once("finish",function(){e.destroy()});r.once("error",function(t){e.destroy(t)});r.once("handshake",function(t,r){e.onHandshake(t,r)});e.setHandshakeTimeout();t.pipe(r).pipe(t);if(e.swarm)e.handshake()};f.prototype.onHandshake=function(e,t){var r=this;if(!r.swarm)return;var i=e.toString("hex");var a=t.toString("hex");if(r.swarm.destroyed)return r.destroy(new Error("swarm already destroyed"));if(i!==r.swarm.infoHashHex){return r.destroy(new Error("unexpected handshake info hash for this swarm"))}if(a===r.swarm.peerIdHex){return r.destroy(new Error("refusing to handshake with self"))}n("Peer %s got handshake %s",r.id,i);clearTimeout(r.handshakeTimeout);r.retries=0;r.wire.on("download",function(e){if(r.destroyed)return;r.swarm.downloaded+=e;r.swarm.downloadSpeed(e);r.swarm.emit("download",e)});r.wire.on("upload",function(e){if(r.destroyed)return;r.swarm.uploaded+=e;r.swarm.uploadSpeed(e);r.swarm.emit("upload",e)});if(!r.sentHandshake)r.handshake();r.swarm.wires.push(r.wire);var o=r.addr;if(!o&&r.conn.remoteAddress){o=r.conn.remoteAddress+":"+r.conn.remotePort}r.swarm.emit("wire",r.wire,o)};f.prototype.handshake=function(){var e=this;e.wire.handshake(e.swarm.infoHash,e.swarm.peerId,e.swarm.handshakeOpts);e.sentHandshake=true};f.prototype.setConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout);e.connectTimeout=setTimeout(function(){e.destroy(new Error("connect timeout"))},o);if(e.connectTimeout.unref)e.connectTimeout.unref()};f.prototype.setHandshakeTimeout=function(){var e=this;clearTimeout(e.handshakeTimeout);e.handshakeTimeout=setTimeout(function(){e.destroy(new Error("handshake timeout"))},s);if(e.handshakeTimeout.unref)e.handshakeTimeout.unref()};f.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;n("destroy Peer %s (error: %s)",t.id,e&&(e.message||e));if(t.swarm)t.swarm.wires.splice(t.swarm.wires.indexOf(t.wire),1);if(t.conn)t.conn.destroy();if(t.wire)t.wire.destroy();if(t.swarm){t.swarm.removePeer(t.id);t.swarm._drain()}clearTimeout(t.connectTimeout);clearTimeout(t.handshakeTimeout);t.conn=null;t.swarm=null;t.wire=null}},{"./webconn":13,"bittorrent-protocol":15,debug:27}],12:[function(e,t,r){(function(r){t.exports=f;var n=e("debug")("bittorrent-swarm:tcp-pool");var i=e("dezalgo");var a=e("net");var o=e("./peer");var s={};function f(e,t){var r=this;r.port=e;r.listening=false;r.swarms={};n("new TCPPool (port: %s, hostname: %s)",e,t);r.pendingConns=[];r.server=a.createServer();r.server.on("connection",function(e){r._onConnection(e)});r.server.on("error",function(e){r._onError(e)});r.server.on("listening",function(){r._onListening()});r.server.listen(r.port,t)}f.addSwarm=function(e){var t=s[e._port];if(!t)t=s[e._port]=new f(e._port,e._hostname);t.addSwarm(e);return t};f.removeSwarm=function(e,t){var n=s[e._port];if(!n)return t();n.removeSwarm(e);var i=0;for(var a in n.swarms){var o=n.swarms[a];if(o)i+=1}if(i===0)n.destroy(t);else r.nextTick(t)};f.getDefaultListenPort=function(e){for(var t in s){var r=s[t];if(r&&!r.swarms[e])return r.port}return 0};f.prototype.addSwarm=function(e){var t=this;if(t.swarms[e.infoHashHex]){r.nextTick(function(){e._onError(new Error("There is already a swarm with info hash "+e.infoHashHex+" "+"listening on port "+e._port))});return}t.swarms[e.infoHashHex]=e;if(t.listening){r.nextTick(function(){e._onListening(t.port)})}n("add swarm %s to tcp pool %s",e.infoHashHex,t.port)};f.prototype.removeSwarm=function(e){var t=this;n("remove swarm %s from tcp pool %s",e.infoHashHex,t.port);t.swarms[e.infoHashHex]=null};f.prototype.destroy=function(e){var t=this;if(e)e=i(e);n("destroy tcp pool %s",t.port);t.listening=false;t.pendingConns.forEach(function(e){e.destroy()});s[t.port]=null;try{t.server.close(e)}catch(r){if(e)e(null)}};f.prototype._onListening=function(){var e=this;var t=e.server.address()||{port:0};var r=t.port;n("tcp pool listening on %s",r);if(r!==e.port){s[e.port]=null;e.port=r;s[e.port]=e}e.listening=true;for(var i in e.swarms){var a=e.swarms[i];if(a)a._onListening(e.port)}};f.prototype._onConnection=function(e){var t=this;t.pendingConns.push(e);e.once("close",r);function r(){t.pendingConns.splice(t.pendingConns.indexOf(e))}var n=o.createIncomingTCPPeer(e);n.wire.once("handshake",function(i,a){var o=i.toString("hex");r();e.removeListener("close",r);var s=t.swarms[o];if(s){n.swarm=s;s._addIncomingPeer(n);n.onHandshake(i,a)}else{var f=new Error("Unexpected info hash "+o+" from incoming peer "+n.id+": destroying peer");n.destroy(f)}})};f.prototype._onError=function(e){var t=this;t.destroy();for(var r in t.swarms){var n=t.swarms[r];if(n){t.removeSwarm(n);n._onError(e)}}}}).call(this,e("_process"))},{"./peer":11,_process:77,debug:27,dezalgo:30,net:51}],13:[function(e,t,r){(function(r){t.exports=f;var n=e("bitfield");var i=e("debug")("bittorrent-swarm:webconn");var a=e("simple-get");var o=e("inherits");var s=e("bittorrent-protocol");o(f,s);function f(e,t){var a=this;s.call(this);a.url=e;a.parsedTorrent=t;a.setKeepAlive(true);a.on("handshake",function(t,i){a.handshake(t,new r(20).fill(e));var o=a.parsedTorrent.pieces.length;var s=new n(o);for(var f=0;f<=o;f++){s.set(f,true)}a.bitfield(s)});a.on("choke",function(){i("choke")});a.on("unchoke",function(){i("unchoke")});a.once("interested",function(){i("interested");a.unchoke()});a.on("uninterested",function(){i("uninterested")});a.on("bitfield",function(){i("bitfield")});a.on("request",function(e,t,r,n){i("request pieceIndex=%d offset=%d length=%d",e,t,r);a.httpRequest(e,t,r,n)})}f.prototype.httpRequest=function(e,t,r,n){var o=this;var s=e*o.parsedTorrent.pieceLength;var f=s+t;var c=f+r-1;i("Requesting pieceIndex=%d offset=%d length=%d start=%d end=%d",e,t,r,f,c);var l={url:o.url,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+f+"-"+c}};a.concat(l,function(e,t,r){if(e)return n(e);if(r.statusCode<200||r.statusCode>=300){return n(new Error("Unexpected HTTP status code "+r.statusCode))}i("Got data of length %d",t.length);n(null,t)})}}).call(this,e("buffer").Buffer)},{bitfield:14,"bittorrent-protocol":15,buffer:65,debug:27,inherits:33,"simple-get":34}],14:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{buffer:65,dup:9}],15:[function(e,t,r){(function(r){t.exports=b;var n=e("bitfield");var i=e("bencode");var a=e("debug")("bittorrent-protocol");var o=e("xtend");var s=e("inherits");var f=e("speedometer");var c=e("stream");var l=4e5;var u=new r("BitTorrent protocol");var d=new r([0,0,0,0]);var p=new r([0,0,0,1,0]);var h=new r([0,0,0,1,1]);var v=new r([0,0,0,1,2]);var m=new r([0,0,0,1,3]);var g=[0,0,0,0,0,0,0,0];var _=[0,0,0,3,9,0,0];function w(e,t,r,n){this.piece=e;this.offset=t;this.length=r;this.callback=n}s(b,c.Duplex);function b(){if(!(this instanceof b))return new b;c.Duplex.call(this);a("new wire");this.amChoking=true;this.amInterested=false;this.peerChoking=true;this.peerInterested=false;this.peerPieces=new n(0,{grow:l});this.peerExtensions={};this.requests=[];this.peerRequests=[];this.extendedMapping={};this.peerExtendedMapping={};this.extendedHandshake={};this.peerExtendedHandshake={};this._ext={};this._nextExt=1;this.uploaded=0;this.downloaded=0;this.uploadSpeed=f();this.downloadSpeed=f();this._keepAlive=null;this._timeout=null;this._timeoutMs=0;this.destroyed=false;this._finished=false;this._buffer=[];this._bufferSize=0;this._parser=null;this._parserSize=0;this.on("finish",this._onfinish);this._parseHandshake()}b.prototype.setKeepAlive=function(e){clearInterval(this._keepAlive);if(e===false)return;this._keepAlive=setInterval(this._push.bind(this,d),6e4)};b.prototype.setTimeout=function(e,t){this._clearTimeout();this._timeoutMs=e;this._timeoutUnref=!!t;this._updateTimeout()};b.prototype.destroy=function(){if(this.destroyed)return;this.destroyed=true;a("destroy");this.end()};b.prototype.end=function(){this._onUninterested();this._onChoke();c.Duplex.prototype.end.apply(this,arguments)};b.prototype.use=function(e){var t=e.prototype.name;if(!t){throw new Error("Extension API requires a named function, e.g. function name() {}")}var r=this._nextExt;var n=new e(this);function i(){}if(typeof n.onHandshake!=="function"){n.onHandshake=i}if(typeof n.onExtendedHandshake!=="function"){n.onExtendedHandshake=i}if(typeof n.onMessage!=="function"){n.onMessage=i}this.extendedMapping[r]=t;this._ext[t]=n;this[t]=n;this._nextExt+=1};b.prototype.handshake=function(e,t,n){if(typeof e==="string")e=new r(e,"hex");if(typeof t==="string")t=new r(t,"hex");if(e.length!==20||t.length!==20){throw new Error("infoHash and peerId MUST have length 20")}var i=new r(g);i[5]|=16;if(n&&n.dht)i[7]|=1;this._push(r.concat([u,i,e,t]));this._handshakeSent=true;if(this.peerExtensions.extended){this._sendExtendedHandshake()}};b.prototype._sendExtendedHandshake=function(){var e=o(this.extendedHandshake);e.m={};for(var t in this.extendedMapping){var r=this.extendedMapping[t];e.m[r]=Number(t)}this.extended(0,i.encode(e))};b.prototype.choke=function(){if(this.amChoking)return;this.amChoking=true;this.peerRequests.splice(0,this.peerRequests.length);this._push(p)};b.prototype.unchoke=function(){if(!this.amChoking)return;this.amChoking=false;this._push(h)};b.prototype.interested=function(){if(this.amInterested)return;this.amInterested=true;this._push(v)};b.prototype.uninterested=function(){if(!this.amInterested)return;this.amInterested=false;this._push(m)};b.prototype.have=function(e){this._message(4,[e],null)};b.prototype.bitfield=function(e){if(!r.isBuffer(e))e=e.buffer;this._message(5,[],e)};b.prototype.request=function(e,t,r,n){if(!n)n=function(){};if(this._finished)return n(new Error("wire is closed"));if(this.peerChoking)return n(new Error("peer is choking"));this.requests.push(new w(e,t,r,n));this._updateTimeout();this._message(6,[e,t,r],null)};b.prototype.piece=function(e,t,r){this.uploaded+=r.length;this.uploadSpeed(r.length);this.emit("upload",r.length);this._message(7,[e,t],r)};b.prototype.cancel=function(e,t,r){this._callback(y(this.requests,e,t,r),new Error("request was cancelled"),null);this._message(8,[e,t,r],null)};b.prototype.port=function(e){var t=new r(_);t.writeUInt16BE(e,5);this._push(t)};b.prototype.extended=function(e,t){if(typeof e==="string"&&this.peerExtendedMapping[e]){e=this.peerExtendedMapping[e]}if(typeof e==="number"){var n=new r([e]);var a=r.isBuffer(t)?t:i.encode(t);this._message(20,[],r.concat([n,a]))}else{throw new Error("Unrecognized extension: "+e)}};b.prototype._onKeepAlive=function(){this.emit("keep-alive")};b.prototype._onHandshake=function(e,t,r){this.peerId=t;this.peerExtensions=r;this.emit("handshake",e,t,r);var n;for(n in this._ext){this._ext[n].onHandshake(e,t,r)}if(r.extended&&this._handshakeSent){this._sendExtendedHandshake()}};b.prototype._onChoke=function(){this.peerChoking=true;this.emit("choke");while(this.requests.length){this._callback(this.requests.shift(),new Error("peer is choking"),null)}};b.prototype._onUnchoke=function(){this.peerChoking=false;this.emit("unchoke")};b.prototype._onInterested=function(){this.peerInterested=true;this.emit("interested")};b.prototype._onUninterested=function(){this.peerInterested=false;this.emit("uninterested")};b.prototype._onHave=function(e){if(this.peerPieces.get(e))return;this.peerPieces.set(e,true);this.emit("have",e)};b.prototype._onBitField=function(e){this.peerPieces=new n(e);this.emit("bitfield",this.peerPieces)};b.prototype._onRequest=function(e,t,r){if(this.amChoking)return;var n=function(n,a){if(i!==y(this.peerRequests,e,t,r))return;if(n)return;this.piece(e,t,a)}.bind(this);var i=new w(e,t,r,n);this.peerRequests.push(i);this.emit("request",e,t,r,n)};b.prototype._onPiece=function(e,t,r){this._callback(y(this.requests,e,t,r.length),null,r);this.downloaded+=r.length;this.downloadSpeed(r.length);this.emit("download",r.length);this.emit("piece",e,t,r)};b.prototype._onCancel=function(e,t,r){y(this.peerRequests,e,t,r);this.emit("cancel",e,t,r)};b.prototype._onPort=function(e){this.emit("port",e)};b.prototype._onExtended=function(e,t){var r,n;if(e===0&&(r=x(t))){this.peerExtendedHandshake=r;if(typeof r.m==="object"){for(n in r.m){this.peerExtendedMapping[n]=Number(r.m[n].toString())}}for(n in this._ext){if(this.peerExtendedMapping[n]){this._ext[n].onExtendedHandshake(this.peerExtendedHandshake)}}this.emit("extended","handshake",this.peerExtendedHandshake)}else{if(this.extendedMapping[e]){e=this.extendedMapping[e];if(this._ext[e]){this._ext[e].onMessage(t)}}this.emit("extended",e,t)}};b.prototype._onTimeout=function(){this._callback(this.requests.shift(),new Error("request has timed out"),null);this.emit("timeout")};b.prototype._push=function(e){if(this._finished)return;return this.push(e)};b.prototype._write=function(e,t,n){this._bufferSize+=e.length;this._buffer.push(e);while(this._bufferSize>=this._parserSize){var i=this._buffer.length===1?this._buffer[0]:r.concat(this._buffer);this._bufferSize-=this._parserSize;this._buffer=this._bufferSize?[i.slice(this._parserSize)]:[];this._parser(i.slice(0,this._parserSize))}n(null)};b.prototype._read=function(){};b.prototype._callback=function(e,t,r){if(!e)return;this._clearTimeout();if(!this.peerChoking&&!this._finished)this._updateTimeout();e.callback(t,r)};b.prototype._clearTimeout=function(){if(!this._timeout)return;clearTimeout(this._timeout);this._timeout=null};b.prototype._updateTimeout=function(){if(!this._timeoutMs||!this.requests.length||this._timeout)return;this._timeout=setTimeout(this._onTimeout.bind(this),this._timeoutMs);if(this._timeoutUnref&&this._timeout.unref)this._timeout.unref()};b.prototype._parse=function(e,t){this._parserSize=e;this._parser=t};b.prototype._message=function(e,t,n){var i=n?n.length:0;var a=new r(5+4*t.length);a.writeUInt32BE(a.length+i-4,0);a[4]=e;for(var o=0;o<t.length;o++){a.writeUInt32BE(t[o],5+4*o)}this._push(a);if(n)this._push(n)};b.prototype._onmessagelength=function(e){var t=e.readUInt32BE(0);if(t>0){this._parse(t,this._onmessage)}else{this._onKeepAlive();this._parse(4,this._onmessagelength)}};b.prototype._onmessage=function(e){this._parse(4,this._onmessagelength);switch(e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:return this.emit("unknownmessage",e)}};b.prototype._parseHandshake=function(){this._parse(1,function(e){var t=e.readUInt8(0);this._parse(t+48,function(e){var r=e.slice(0,t);if(r.toString()!=="BitTorrent protocol"){a("Error: wire not speaking BitTorrent protocol (%s)",r.toString());this.end();return}e=e.slice(t);this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(e[7]&1),extended:!!(e[5]&16)});this._parse(4,this._onmessagelength)}.bind(this))}.bind(this))};b.prototype._onfinish=function(){this._finished=true;this.push(null);while(this.read()){}clearInterval(this._keepAlive);this._parse(Number.MAX_VALUE,function(){});this.peerRequests=[];while(this.requests.length){this._callback(this.requests.shift(),new Error("wire was closed"),null)}};function y(e,t,r,n){for(var i=0;i<e.length;i++){var a=e[i];if(a.piece!==t||a.offset!==r||a.length!==n)continue;if(i===0)e.shift();else e.splice(i,1);return a}return null}function x(e){try{return i.decode(e)}catch(t){console.warn(t)}}}).call(this,e("buffer").Buffer)},{bencode:16,bitfield:20,buffer:65,debug:21,inherits:24,speedometer:25,stream:93,xtend:26}],16:[function(e,t,r){t.exports={encode:e("./lib/encode"),decode:e("./lib/decode")}},{"./lib/decode":17,"./lib/encode":19}],17:[function(e,t,r){(function(r){var n=e("./dict");function i(e,t){i.position=0;i.encoding=t||null;i.data=!r.isBuffer(e)?new r(e):e;return i.next()}i.position=0;i.data=null;i.encoding=null;i.next=function(){switch(i.data[i.position]){case 100:return i.dictionary();break;case 108:return i.list();break;case 105:return i.integer();break;default:return i.bytes();break}};i.find=function(e){var t=i.position;var r=i.data.length;var n=i.data;while(t<r){if(n[t]===e)return t;t++}throw new Error('Invalid data: Missing delimiter "'+String.fromCharCode(e)+'" [0x'+e.toString(16)+"]")};i.dictionary=function(){i.position++;var e=new n;while(i.data[i.position]!==101){e.binarySet(i.bytes(),i.next())}i.position++;return 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a=["error","close","destroy","pause","resume"];L(a,function(t){e.on(t,n.emit.bind(n,t))});n._read=function(t){c("wrapped _read",t);if(r){r=false;e.resume()}};return n};u._fromList=T;function T(e,t){var r=t.buffer;var n=t.length;var a=!!t.decoder;var o=!!t.objectMode;var s;if(r.length===0)return null;if(n===0)s=null;else if(o)s=r.shift();else if(!e||e>=n){if(a)s=r.join("");else s=i.concat(r,n);r.length=0}else{if(e<r[0].length){var f=r[0];s=f.slice(0,e);r[0]=f.slice(e)}else if(e===r[0].length){s=r.shift()}else{if(a)s="";else s=new i(e);var c=0;for(var l=0,u=r.length;l<u&&c<e;l++){var f=r[0];var d=Math.min(e-c,f.length);if(a)s+=f.slice(0,d);else f.copy(s,c,0,d);if(d<f.length)r[0]=f.slice(d);else r.shift();c+=d}}}return s}function I(e){var t=e._readableState;if(t.length>0)throw new Error("endReadable called on non-empty stream");if(!t.endEmitted){t.ended=true;r.nextTick(function(){if(!t.endEmitted&&t.length===0){t.endEmitted=true;e.readable=false;e.emit("end")}})}}function L(e,t){for(var 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o=t.decodeStrings===false;this.decodeStrings=!o;this.defaultEncoding=t.defaultEncoding||"utf8";this.length=0;this.writing=false;this.corked=0;this.sync=true;this.bufferProcessing=false;this.onwrite=function(e){m(r,e)};this.writecb=null;this.writelen=0;this.buffer=[];this.pendingcb=0;this.prefinished=false;this.errorEmitted=false}function f(t){var r=e("./_stream_duplex");if(!(this instanceof f)&&!(this instanceof r))return new f(t);this._writableState=new s(t,this);this.writable=true;a.call(this)}f.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe. 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o=r.StringDecoder=function(e){this.encoding=(e||"utf8").toLowerCase().replace(/[-_]/,"");a(e);switch(this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2;this.detectIncompleteChar=f;break;case"base64":this.surrogateSize=3;this.detectIncompleteChar=c;break;default:this.write=s;return}this.charBuffer=new n(6);this.charReceived=0;this.charLength=0};o.prototype.write=function(e){var t="";while(this.charLength){var r=e.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:e.length;e.copy(this.charBuffer,this.charReceived,0,r);this.charReceived+=r;if(this.charReceived<this.charLength){return""}e=e.slice(r,e.length);t=this.charBuffer.slice(0,this.charLength).toString(this.encoding);var n=t.charCodeAt(t.length-1);if(n>=55296&&n<=56319){this.charLength+=this.surrogateSize;t="";continue}this.charReceived=this.charLength=0;if(e.length===0){return t}break}this.detectIncompleteChar(e);var 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me(){this.strm=null;this.status=0;this.pending_buf=null;this.pending_buf_size=0;this.pending_out=0;this.pending=0;this.wrap=0;this.gzhead=null;this.gzindex=0;this.method=S;this.last_flush=-1;this.w_size=0;this.w_bits=0;this.w_mask=0;this.window=null;this.window_size=0;this.prev=null;this.head=null;this.ins_h=0;this.hash_size=0;this.hash_bits=0;this.hash_mask=0;this.hash_shift=0;this.block_start=0;this.match_length=0;this.prev_match=0;this.match_available=0;this.strstart=0;this.match_start=0;this.lookahead=0;this.prev_length=0;this.max_chain_length=0;this.max_lazy_match=0;this.level=0;this.strategy=0;this.good_match=0;this.nice_match=0;this.dyn_ltree=new n.Buf16(z*2);this.dyn_dtree=new n.Buf16((2*B+1)*2);this.bl_tree=new n.Buf16((2*j+1)*2);ee(this.dyn_ltree);ee(this.dyn_dtree);ee(this.bl_tree);this.l_desc=null;this.d_desc=null;this.bl_desc=null;this.bl_count=new n.Buf16(M+1);this.heap=new n.Buf16(2*R+1);ee(this.heap);this.heap_len=0;this.heap_max=0;this.depth=new n.Buf16(2*R+1);ee(this.depth);this.l_buf=0;this.lit_bufsize=0;this.last_lit=0;this.d_buf=0;this.opt_len=0;this.static_len=0;this.matches=0;this.insert=0;this.bi_buf=0;this.bi_valid=0}function ge(e){var t;if(!e||!e.state){return J(e,v)}e.total_in=e.total_out=0;e.data_type=E;t=e.state;t.pending=0;t.pending_out=0;if(t.wrap<0){t.wrap=-t.wrap}t.status=t.wrap?D:Z;e.adler=t.wrap===2?0:1;t.last_flush=f;i._tr_init(t);return p}function _e(e){var t=ge(e);if(t===p){ve(e.state)}return t}function we(e,t){if(!e||!e.state){return v}if(e.state.wrap!==2){return v}e.state.gzhead=t;return p}function be(e,t,r,i,a,o){if(!e){return v}var s=1;if(t===_){t=6}if(i<0){s=0;i=-i}else if(i>15){s=2;i-=16}if(a<1||a>A||r!==S||i<8||i>15||t<0||t>9||o<0||o>x){return J(e,v)}if(i===8){i=9}var f=new me;e.state=f;f.strm=e;f.wrap=s;f.gzhead=null;f.w_bits=i;f.w_size=1<<f.w_bits;f.w_mask=f.w_size-1;f.hash_bits=a+7;f.hash_size=1<<f.hash_bits;f.hash_mask=f.hash_size-1;f.hash_shift=~~((f.hash_bits+O-1)/O);f.window=new n.Buf8(f.w_size*2);f.head=new n.Buf16(f.hash_size);f.prev=new n.Buf16(f.w_size);f.lit_bufsize=1<<a+6;f.pending_buf_size=f.lit_bufsize*4;f.pending_buf=new n.Buf8(f.pending_buf_size);f.d_buf=f.lit_bufsize>>1;f.l_buf=(1+2)*f.lit_bufsize;f.level=t;f.strategy=o;f.method=r;return _e(e)}function ye(e,t){return be(e,t,S,T,I,k)}function xe(e,t){var r,n;var a,s;if(!e||!e.state||t>d||t<0){return e?J(e,v):v}n=e.state;if(!e.output||!e.input&&e.avail_in!==0||n.status===Y&&t!==u){return J(e,e.avail_out===0?g:v)}n.strm=e;r=n.last_flush;n.last_flush=t;if(n.status===D){if(n.wrap===2){e.adler=0;ne(n,31);ne(n,139);ne(n,8);if(!n.gzhead){ne(n,0);ne(n,0);ne(n,0);ne(n,0);ne(n,0);ne(n,n.level===9?2:n.strategy>=b||n.level<2?4:0);ne(n,X);n.status=Z}else{ne(n,(n.gzhead.text?1:0)+(n.gzhead.hcrc?2:0)+(!n.gzhead.extra?0:4)+(!n.gzhead.name?0:8)+(!n.gzhead.comment?0:16));ne(n,n.gzhead.time&255);ne(n,n.gzhead.time>>8&255);ne(n,n.gzhead.time>>16&255);ne(n,n.gzhead.time>>24&255);ne(n,n.level===9?2:n.strategy>=b||n.level<2?4:0);ne(n,n.gzhead.os&255);if(n.gzhead.extra&&n.gzhead.extra.length){ne(n,n.gzhead.extra.length&255);ne(n,n.gzhead.extra.length>>8&255)}if(n.gzhead.hcrc){e.adler=o(e.adler,n.pending_buf,n.pending,0)}n.gzindex=0;n.status=H}}else{var m=S+(n.w_bits-8<<4)<<8;var _=-1;if(n.strategy>=b||n.level<2){_=0}else if(n.level<6){_=1}else if(n.level===6){_=2}else{_=3}m|=_<<6;if(n.strstart!==0){m|=N}m+=31-m%31;n.status=Z;ie(n,m);if(n.strstart!==0){ie(n,e.adler>>>16);ie(n,e.adler&65535)}e.adler=1}}if(n.status===H){if(n.gzhead.extra){a=n.pending;while(n.gzindex<(n.gzhead.extra.length&65535)){if(n.pending===n.pending_buf_size){if(n.gzhead.hcrc&&n.pending>a){e.adler=o(e.adler,n.pending_buf,n.pending-a,a)}te(e);a=n.pending;if(n.pending===n.pending_buf_size){break}}ne(n,n.gzhead.extra[n.gzindex]&255);n.gzindex++}if(n.gzhead.hcrc&&n.pending>a){e.adler=o(e.adler,n.pending_buf,n.pending-a,a)}if(n.gzindex===n.gzhead.extra.length){n.gzindex=0;n.status=q}}else{n.status=q}}if(n.status===q){if(n.gzhead.name){a=n.pending;do{if(n.pending===n.pending_buf_size){if(n.gzhead.hcrc&&n.pending>a){e.adler=o(e.adler,n.pending_buf,n.pending-a,a)}te(e);a=n.pending;if(n.pending===n.pending_buf_size){s=1;break}}if(n.gzindex<n.gzhead.name.length){s=n.gzhead.name.charCodeAt(n.gzindex++)&255}else{s=0}ne(n,s)}while(s!==0);if(n.gzhead.hcrc&&n.pending>a){e.adler=o(e.adler,n.pending_buf,n.pending-a,a)}if(s===0){n.gzindex=0;n.status=F}}else{n.status=F}}if(n.status===F){if(n.gzhead.comment){a=n.pending;do{if(n.pending===n.pending_buf_size){if(n.gzhead.hcrc&&n.pending>a){e.adler=o(e.adler,n.pending_buf,n.pending-a,a)}te(e);a=n.pending;if(n.pending===n.pending_buf_size){s=1;break}}if(n.gzindex<n.gzhead.comment.length){s=n.gzhead.comment.charCodeAt(n.gzindex++)&255}else{s=0}ne(n,s)}while(s!==0);if(n.gzhead.hcrc&&n.pending>a){e.adler=o(e.adler,n.pending_buf,n.pending-a,a)}if(s===0){n.status=W}}else{n.status=W}}if(n.status===W){if(n.gzhead.hcrc){if(n.pending+2>n.pending_buf_size){te(e)}if(n.pending+2<=n.pending_buf_size){ne(n,e.adler&255);ne(n,e.adler>>8&255);e.adler=0;n.status=Z}}else{n.status=Z}}if(n.pending!==0){te(e);if(e.avail_out===0){n.last_flush=-1;return p}}else if(e.avail_in===0&&Q(t)<=Q(r)&&t!==u){return J(e,g)}if(n.status===Y&&e.avail_in!==0){return J(e,g)}if(e.avail_in!==0||n.lookahead!==0||t!==f&&n.status!==Y){var w=n.strategy===b?de(n,t):n.strategy===y?ue(n,t):he[n.level].func(n,t);if(w===K||w===$){n.status=Y}if(w===G||w===K){if(e.avail_out===0){n.last_flush=-1}return p}if(w===V){if(t===c){i._tr_align(n)}else if(t!==d){i._tr_stored_block(n,0,0,false);if(t===l){ee(n.head);if(n.lookahead===0){n.strstart=0;n.block_start=0;n.insert=0}}}te(e);if(e.avail_out===0){n.last_flush=-1;return p}}}if(t!==u){return p}if(n.wrap<=0){return h}if(n.wrap===2){ne(n,e.adler&255);ne(n,e.adler>>8&255);ne(n,e.adler>>16&255);ne(n,e.adler>>24&255);ne(n,e.total_in&255);ne(n,e.total_in>>8&255);ne(n,e.total_in>>16&255);ne(n,e.total_in>>24&255)}else{ie(n,e.adler>>>16);ie(n,e.adler&65535)}te(e);if(n.wrap>0){n.wrap=-n.wrap}return n.pending!==0?p:h}function ke(e){var t;if(!e||!e.state){return v}t=e.state.status;if(t!==D&&t!==H&&t!==q&&t!==F&&t!==W&&t!==Z&&t!==Y){return J(e,v)}e.state=null;return t===Z?J(e,m):p}r.deflateInit=ye;r.deflateInit2=be;r.deflateReset=_e;r.deflateResetKeep=ge;r.deflateSetHeader=we;r.deflate=xe;r.deflateEnd=ke;r.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":52,"./adler32":53,"./crc32":55,"./messages":60,"./trees":61}],57:[function(e,t,r){"use strict";var n=30;var i=12;t.exports=function a(e,t){var r;var a;var o;var s;var f;var c;var l;var u;var d;var p;var h;var v;var m;var g;var _;var w;var b;var y;var x;var k;var E;var S;var A;var T,I;r=e.state;a=e.next_in;T=e.input;o=a+(e.avail_in-5);s=e.next_out;I=e.output;f=s-(t-e.avail_out);c=s+(e.avail_out-257);l=r.dmax;u=r.wsize;d=r.whave;p=r.wnext;h=r.window;v=r.hold;m=r.bits;g=r.lencode;_=r.distcode;w=(1<<r.lenbits)-1;b=(1<<r.distbits)-1;e:do{if(m<15){v+=T[a++]<<m;m+=8;v+=T[a++]<<m;m+=8}y=g[v&w];t:for(;;){x=y>>>24;v>>>=x;m-=x;x=y>>>16&255;if(x===0){I[s++]=y&65535}else if(x&16){k=y&65535;x&=15;if(x){if(m<x){v+=T[a++]<<m;m+=8}k+=v&(1<<x)-1;v>>>=x;m-=x}if(m<15){v+=T[a++]<<m;m+=8;v+=T[a++]<<m;m+=8}y=_[v&b];r:for(;;){x=y>>>24;v>>>=x;m-=x;x=y>>>16&255;if(x&16){E=y&65535;x&=15;if(m<x){v+=T[a++]<<m;m+=8;if(m<x){v+=T[a++]<<m;m+=8}}E+=v&(1<<x)-1;if(E>l){e.msg="invalid distance too far back";r.mode=n;break e}v>>>=x;m-=x;x=s-f;if(E>x){x=E-x;if(x>d){if(r.sane){e.msg="invalid distance too far back";r.mode=n;break e}}S=0;A=h;if(p===0){S+=u-x;if(x<k){k-=x;do{I[s++]=h[S++]}while(--x);S=s-E;A=I}}else if(p<x){S+=u+p-x;x-=p;if(x<k){k-=x;do{I[s++]=h[S++]}while(--x);S=0;if(p<k){x=p;k-=x;do{I[s++]=h[S++]}while(--x);S=s-E;A=I}}}else{S+=p-x;if(x<k){k-=x;do{I[s++]=h[S++]}while(--x);S=s-E;A=I}}while(k>2){I[s++]=A[S++];I[s++]=A[S++];I[s++]=A[S++];k-=3}if(k){I[s++]=A[S++];if(k>1){I[s++]=A[S++]}}}else{S=s-E;do{I[s++]=I[S++];I[s++]=I[S++];I[s++]=I[S++];k-=3}while(k>2);if(k){I[s++]=I[S++];if(k>1){I[s++]=I[S++]}}}}else if((x&64)===0){y=_[(y&65535)+(v&(1<<x)-1)];continue r}else{e.msg="invalid distance code";r.mode=n;break e}break}}else if((x&64)===0){y=g[(y&65535)+(v&(1<<x)-1)];continue t}else if(x&32){r.mode=i;break e}else{e.msg="invalid literal/length code";r.mode=n;break e}break}}while(a<o&&s<c);k=m>>3;a-=k;m-=k<<3;v&=(1<<m)-1;e.next_in=a;e.next_out=s;e.avail_in=a<o?5+(o-a):5-(a-o);e.avail_out=s<c?257+(c-s):257-(s-c);r.hold=v;r.bits=m;return}},{}],58:[function(e,t,r){"use strict";var n=e("../utils/common");var i=e("./adler32");var a=e("./crc32");var o=e("./inffast");var s=e("./inftrees");var f=0;var c=1;var l=2;var u=4;var d=5;var p=6;var h=0;var v=1;var m=2;var g=-2;var _=-3;var w=-4;var b=-5;var y=8;var x=1;var k=2;var E=3;var S=4;var A=5;var T=6;var I=7;var L=8;var C=9;var R=10;var B=11;var j=12;var z=13;var M=14;var O=15;var U=16;var P=17;var N=18;var D=19;var H=20;var q=21;var F=22;var W=23;var Z=24;var Y=25;var G=26;var V=27;var K=28;var $=29;var X=30;var J=31;var Q=32;var ee=852;var te=592;var re=15;var ne=re;function ie(e){return(e>>>24&255)+(e>>>8&65280)+((e&65280)<<8)+((e&255)<<24)}function ae(){this.mode=0;this.last=false;this.wrap=0;this.havedict=false;this.flags=0;this.dmax=0;this.check=0;this.total=0;this.head=null;this.wbits=0;this.wsize=0;this.whave=0;this.wnext=0;this.window=null;this.hold=0;this.bits=0;this.length=0;this.offset=0;this.extra=0;this.lencode=null;this.distcode=null;this.lenbits=0;this.distbits=0;this.ncode=0;this.nlen=0;this.ndist=0;this.have=0;this.next=null;this.lens=new n.Buf16(320);this.work=new n.Buf16(288);this.lendyn=null;this.distdyn=null;this.sane=0;this.back=0;this.was=0}function oe(e){var t;if(!e||!e.state){return g}t=e.state;e.total_in=e.total_out=t.total=0;e.msg="";if(t.wrap){e.adler=t.wrap&1}t.mode=x;t.last=0;t.havedict=0;t.dmax=32768;t.head=null;t.hold=0;t.bits=0;t.lencode=t.lendyn=new n.Buf32(ee);t.distcode=t.distdyn=new n.Buf32(te);t.sane=1;t.back=-1;return h}function se(e){var t;if(!e||!e.state){return g}t=e.state;t.wsize=0;t.whave=0;t.wnext=0;return oe(e)}function fe(e,t){var r;var n;if(!e||!e.state){return g}n=e.state;if(t<0){r=0;t=-t}else{r=(t>>4)+1;if(t<48){t&=15}}if(t&&(t<8||t>15)){return g}if(n.window!==null&&n.wbits!==t){n.window=null}n.wrap=r;n.wbits=t;return se(e)}function ce(e,t){var r;var n;if(!e){return g}n=new ae;e.state=n;n.window=null;r=fe(e,t);if(r!==h){e.state=null}return r}function le(e){return ce(e,ne)}var ue=true;var de,pe;function he(e){if(ue){var t;de=new n.Buf32(512);pe=new n.Buf32(32);t=0;while(t<144){e.lens[t++]=8}while(t<256){e.lens[t++]=9}while(t<280){e.lens[t++]=7}while(t<288){e.lens[t++]=8}s(c,e.lens,0,288,de,0,e.work,{bits:9});t=0;while(t<32){e.lens[t++]=5}s(l,e.lens,0,32,pe,0,e.work,{bits:5});ue=false}e.lencode=de;e.lenbits=9;e.distcode=pe;e.distbits=5}function ve(e,t,r,i){var a;var o=e.state;if(o.window===null){o.wsize=1<<o.wbits;o.wnext=0;o.whave=0;o.window=new n.Buf8(o.wsize)}if(i>=o.wsize){n.arraySet(o.window,t,r-o.wsize,o.wsize,0);o.wnext=0;o.whave=o.wsize}else{a=o.wsize-o.wnext;if(a>i){a=i}n.arraySet(o.window,t,r-i,a,o.wnext);i-=a;if(i){n.arraySet(o.window,t,r-i,i,0);o.wnext=i;o.whave=o.wsize}else{o.wnext+=a;if(o.wnext===o.wsize){o.wnext=0}if(o.whave<o.wsize){o.whave+=a}}}return 0}function me(e,t){var r;var ee,te;var re;var ne;var ae,oe;var se;var fe;var ce,le;var ue;var de;var pe;var me=0;var ge,_e,we;var be,ye,xe;var ke;var Ee;var Se=new n.Buf8(4);var Ae;var Te;var Ie=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!e||!e.state||!e.output||!e.input&&e.avail_in!==0){return g}r=e.state;if(r.mode===j){r.mode=z}ne=e.next_out;te=e.output;oe=e.avail_out;re=e.next_in;ee=e.input;ae=e.avail_in;se=r.hold;fe=r.bits;ce=ae;le=oe;Ee=h;e:for(;;){switch(r.mode){case x:if(r.wrap===0){r.mode=z;break}while(fe<16){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}if(r.wrap&2&&se===35615){r.check=0;Se[0]=se&255;Se[1]=se>>>8&255;r.check=a(r.check,Se,2,0);se=0;fe=0;r.mode=k;break}r.flags=0;if(r.head){r.head.done=false}if(!(r.wrap&1)||(((se&255)<<8)+(se>>8))%31){e.msg="incorrect header check";r.mode=X;break}if((se&15)!==y){e.msg="unknown compression method";r.mode=X;break}se>>>=4;fe-=4;ke=(se&15)+8;if(r.wbits===0){r.wbits=ke}else if(ke>r.wbits){e.msg="invalid window size";r.mode=X;break}r.dmax=1<<ke;e.adler=r.check=1;r.mode=se&512?R:j;se=0;fe=0;break;case k:while(fe<16){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}r.flags=se;if((r.flags&255)!==y){e.msg="unknown compression method";r.mode=X;break}if(r.flags&57344){e.msg="unknown header flags set";r.mode=X;break}if(r.head){r.head.text=se>>8&1}if(r.flags&512){Se[0]=se&255;Se[1]=se>>>8&255;r.check=a(r.check,Se,2,0)}se=0;fe=0;r.mode=E;case E:while(fe<32){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}if(r.head){r.head.time=se}if(r.flags&512){Se[0]=se&255;Se[1]=se>>>8&255;Se[2]=se>>>16&255;Se[3]=se>>>24&255;r.check=a(r.check,Se,4,0)}se=0;fe=0;r.mode=S;case S:while(fe<16){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}if(r.head){r.head.xflags=se&255;r.head.os=se>>8}if(r.flags&512){Se[0]=se&255;Se[1]=se>>>8&255;r.check=a(r.check,Se,2,0)}se=0;fe=0;r.mode=A;case A:if(r.flags&1024){while(fe<16){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}r.length=se;if(r.head){r.head.extra_len=se}if(r.flags&512){Se[0]=se&255;Se[1]=se>>>8&255;r.check=a(r.check,Se,2,0)}se=0;fe=0}else if(r.head){r.head.extra=null}r.mode=T;case T:if(r.flags&1024){ue=r.length;if(ue>ae){ue=ae}if(ue){if(r.head){ke=r.head.extra_len-r.length;if(!r.head.extra){r.head.extra=new Array(r.head.extra_len)}n.arraySet(r.head.extra,ee,re,ue,ke)}if(r.flags&512){r.check=a(r.check,ee,ue,re)}ae-=ue;re+=ue;r.length-=ue}if(r.length){break e}}r.length=0;r.mode=I;case I:if(r.flags&2048){if(ae===0){break e}ue=0;do{ke=ee[re+ue++];if(r.head&&ke&&r.length<65536){r.head.name+=String.fromCharCode(ke)}}while(ke&&ue<ae);if(r.flags&512){r.check=a(r.check,ee,ue,re)}ae-=ue;re+=ue;if(ke){break e}}else if(r.head){r.head.name=null}r.length=0;r.mode=L;case L:if(r.flags&4096){if(ae===0){break e}ue=0;do{ke=ee[re+ue++];if(r.head&&ke&&r.length<65536){r.head.comment+=String.fromCharCode(ke)}}while(ke&&ue<ae);if(r.flags&512){r.check=a(r.check,ee,ue,re)}ae-=ue;re+=ue;if(ke){break e}}else if(r.head){r.head.comment=null}r.mode=C;case C:if(r.flags&512){while(fe<16){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}if(se!==(r.check&65535)){e.msg="header crc mismatch";r.mode=X;break}se=0;fe=0}if(r.head){r.head.hcrc=r.flags>>9&1;r.head.done=true}e.adler=r.check=0;r.mode=j;break;case R:while(fe<32){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}e.adler=r.check=ie(se);se=0;fe=0;r.mode=B;case B:if(r.havedict===0){e.next_out=ne;e.avail_out=oe;e.next_in=re;e.avail_in=ae;r.hold=se;r.bits=fe;return m}e.adler=r.check=1;r.mode=j;case j:if(t===d||t===p){break e}case z:if(r.last){se>>>=fe&7;fe-=fe&7;r.mode=V;break}while(fe<3){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}r.last=se&1;se>>>=1;fe-=1;switch(se&3){case 0:r.mode=M;break;case 1:he(r);r.mode=H;if(t===p){se>>>=2;fe-=2;break e}break;case 2:r.mode=P;break;case 3:e.msg="invalid block type";r.mode=X}se>>>=2;fe-=2;break;case M:se>>>=fe&7;fe-=fe&7;while(fe<32){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}if((se&65535)!==(se>>>16^65535)){e.msg="invalid stored block lengths";r.mode=X;break}r.length=se&65535;se=0;fe=0;r.mode=O;if(t===p){break e}case O:r.mode=U;case U:ue=r.length;if(ue){if(ue>ae){ue=ae}if(ue>oe){ue=oe}if(ue===0){break e}n.arraySet(te,ee,re,ue,ne);ae-=ue;re+=ue;oe-=ue;ne+=ue;r.length-=ue;break}r.mode=j;break;case P:while(fe<14){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}r.nlen=(se&31)+257;se>>>=5;fe-=5;r.ndist=(se&31)+1;se>>>=5;fe-=5;r.ncode=(se&15)+4;se>>>=4;fe-=4;if(r.nlen>286||r.ndist>30){e.msg="too many length or distance symbols";r.mode=X;break}r.have=0;r.mode=N;case N:while(r.have<r.ncode){while(fe<3){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}r.lens[Ie[r.have++]]=se&7;se>>>=3;fe-=3}while(r.have<19){r.lens[Ie[r.have++]]=0}r.lencode=r.lendyn;r.lenbits=7;Ae={bits:r.lenbits};Ee=s(f,r.lens,0,19,r.lencode,0,r.work,Ae);r.lenbits=Ae.bits;if(Ee){e.msg="invalid code lengths set";r.mode=X;break}r.have=0;r.mode=D;case D:while(r.have<r.nlen+r.ndist){for(;;){me=r.lencode[se&(1<<r.lenbits)-1];ge=me>>>24;_e=me>>>16&255;we=me&65535;if(ge<=fe){break}if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}if(we<16){se>>>=ge;fe-=ge;r.lens[r.have++]=we}else{if(we===16){Te=ge+2;while(fe<Te){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}se>>>=ge;fe-=ge;if(r.have===0){e.msg="invalid bit length repeat";r.mode=X;break}ke=r.lens[r.have-1];ue=3+(se&3);se>>>=2;fe-=2}else if(we===17){Te=ge+3;while(fe<Te){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}se>>>=ge;fe-=ge;ke=0;ue=3+(se&7);se>>>=3;fe-=3}else{Te=ge+7;while(fe<Te){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}se>>>=ge;fe-=ge;ke=0;ue=11+(se&127);se>>>=7;fe-=7}if(r.have+ue>r.nlen+r.ndist){e.msg="invalid bit length repeat";r.mode=X;break}while(ue--){r.lens[r.have++]=ke}}}if(r.mode===X){break}if(r.lens[256]===0){e.msg="invalid code -- missing end-of-block";r.mode=X;break}r.lenbits=9;Ae={bits:r.lenbits};Ee=s(c,r.lens,0,r.nlen,r.lencode,0,r.work,Ae);r.lenbits=Ae.bits;if(Ee){e.msg="invalid literal/lengths set";r.mode=X;break}r.distbits=6;r.distcode=r.distdyn;Ae={bits:r.distbits};Ee=s(l,r.lens,r.nlen,r.ndist,r.distcode,0,r.work,Ae);r.distbits=Ae.bits;if(Ee){e.msg="invalid distances set";r.mode=X;break}r.mode=H;if(t===p){break e}case H:r.mode=q;case q:if(ae>=6&&oe>=258){e.next_out=ne;e.avail_out=oe;e.next_in=re;e.avail_in=ae;r.hold=se;r.bits=fe;o(e,le);ne=e.next_out;te=e.output;oe=e.avail_out;re=e.next_in;ee=e.input;ae=e.avail_in;se=r.hold;fe=r.bits;if(r.mode===j){r.back=-1}break}r.back=0;for(;;){me=r.lencode[se&(1<<r.lenbits)-1];ge=me>>>24;_e=me>>>16&255;we=me&65535;if(ge<=fe){break}if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}if(_e&&(_e&240)===0){be=ge;ye=_e;xe=we;for(;;){me=r.lencode[xe+((se&(1<<be+ye)-1)>>be)];ge=me>>>24;_e=me>>>16&255;we=me&65535;if(be+ge<=fe){break}if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}se>>>=be;fe-=be;r.back+=be}se>>>=ge;fe-=ge;r.back+=ge;r.length=we;if(_e===0){r.mode=G;break}if(_e&32){r.back=-1;r.mode=j;break}if(_e&64){e.msg="invalid literal/length code";r.mode=X;break}r.extra=_e&15;r.mode=F;case F:if(r.extra){Te=r.extra;while(fe<Te){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}r.length+=se&(1<<r.extra)-1;se>>>=r.extra;fe-=r.extra;r.back+=r.extra}r.was=r.length;r.mode=W;case W:for(;;){me=r.distcode[se&(1<<r.distbits)-1];ge=me>>>24;_e=me>>>16&255;we=me&65535;if(ge<=fe){break}if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}if((_e&240)===0){be=ge;ye=_e;xe=we;for(;;){me=r.distcode[xe+((se&(1<<be+ye)-1)>>be)];ge=me>>>24;_e=me>>>16&255;we=me&65535;if(be+ge<=fe){break}if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}se>>>=be;fe-=be;r.back+=be}se>>>=ge;fe-=ge;r.back+=ge;if(_e&64){e.msg="invalid distance code";r.mode=X;break}r.offset=we;r.extra=_e&15;r.mode=Z;case Z:if(r.extra){Te=r.extra;while(fe<Te){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}r.offset+=se&(1<<r.extra)-1;se>>>=r.extra;fe-=r.extra;r.back+=r.extra}if(r.offset>r.dmax){e.msg="invalid distance too far back";r.mode=X;break}r.mode=Y;case Y:if(oe===0){break e}ue=le-oe;if(r.offset>ue){ue=r.offset-ue;if(ue>r.whave){if(r.sane){e.msg="invalid distance too far back";r.mode=X;break}}if(ue>r.wnext){ue-=r.wnext;de=r.wsize-ue}else{de=r.wnext-ue}if(ue>r.length){ue=r.length}pe=r.window}else{pe=te;de=ne-r.offset;ue=r.length}if(ue>oe){ue=oe}oe-=ue;r.length-=ue;do{te[ne++]=pe[de++]}while(--ue);if(r.length===0){r.mode=q}break;case G:if(oe===0){break e}te[ne++]=r.length;oe--;r.mode=q;break;case V:if(r.wrap){while(fe<32){if(ae===0){break e}ae--;se|=ee[re++]<<fe;fe+=8}le-=oe;e.total_out+=le;r.total+=le;if(le){e.adler=r.check=r.flags?a(r.check,te,le,ne-le):i(r.check,te,le,ne-le)}le=oe;if((r.flags?se:ie(se))!==r.check){e.msg="incorrect data check";r.mode=X;break}se=0;fe=0}r.mode=K;case K:if(r.wrap&&r.flags){while(fe<32){if(ae===0){break e}ae--;se+=ee[re++]<<fe;fe+=8}if(se!==(r.total&4294967295)){e.msg="incorrect length check";r.mode=X;break}se=0;fe=0}r.mode=$;case $:Ee=v;break e;case X:Ee=_;break e;case J:return w;case Q:default:return g}}e.next_out=ne;e.avail_out=oe;e.next_in=re;e.avail_in=ae;r.hold=se;r.bits=fe;if(r.wsize||le!==e.avail_out&&r.mode<X&&(r.mode<V||t!==u)){if(ve(e,e.output,e.next_out,le-e.avail_out)){r.mode=J;return w}}ce-=e.avail_in;le-=e.avail_out;e.total_in+=ce;e.total_out+=le;r.total+=le;if(r.wrap&&le){e.adler=r.check=r.flags?a(r.check,te,le,e.next_out-le):i(r.check,te,le,e.next_out-le)}e.data_type=r.bits+(r.last?64:0)+(r.mode===j?128:0)+(r.mode===H||r.mode===O?256:0);if((ce===0&&le===0||t===u)&&Ee===h){Ee=b}return Ee}function ge(e){if(!e||!e.state){return g}var t=e.state;if(t.window){t.window=null}e.state=null;return h}function _e(e,t){var r;if(!e||!e.state){return g}r=e.state;if((r.wrap&2)===0){return g}r.head=t;t.done=false;return h}r.inflateReset=se;r.inflateReset2=fe;r.inflateResetKeep=oe;r.inflateInit=le;r.inflateInit2=ce;r.inflate=me;r.inflateEnd=ge;r.inflateGetHeader=_e;r.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":52,"./adler32":53,"./crc32":55,"./inffast":57,"./inftrees":59}],59:[function(e,t,r){"use strict";var n=e("../utils/common");var i=15;var a=852;var o=592;var s=0;var f=1;var c=2;var l=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0];var u=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78];var d=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0];var p=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function h(e,t,r,v,m,g,_,w){var b=w.bits;var y=0;var x=0;var k=0,E=0;var S=0;var A=0;var T=0;var I=0;var L=0;var C=0;var R;var B;var j;var z;var M;var O=null;var U=0;var P;var N=new n.Buf16(i+1);var D=new n.Buf16(i+1);var H=null;var q=0;var F,W,Z;for(y=0;y<=i;y++){N[y]=0}for(x=0;x<v;x++){N[t[r+x]]++}S=b;for(E=i;E>=1;E--){if(N[E]!==0){break}}if(S>E){S=E}if(E===0){m[g++]=1<<24|64<<16|0;m[g++]=1<<24|64<<16|0;w.bits=1;return 0}for(k=1;k<E;k++){if(N[k]!==0){break}}if(S<k){S=k}I=1;for(y=1;y<=i;y++){I<<=1;I-=N[y];if(I<0){return-1}}if(I>0&&(e===s||E!==1)){return-1}D[1]=0;for(y=1;y<i;y++){D[y+1]=D[y]+N[y]}for(x=0;x<v;x++){if(t[r+x]!==0){_[D[t[r+x]]++]=x}}if(e===s){O=H=_;P=19}else if(e===f){O=l;U-=257;H=u;q-=257;P=256}else{O=d;H=p;P=-1}C=0;x=0;y=k;M=g;A=S;T=0;j=-1;L=1<<S;z=L-1;if(e===f&&L>a||e===c&&L>o){return 1}var Y=0;for(;;){Y++;F=y-T;if(_[x]<P){W=0;Z=_[x]}else if(_[x]>P){W=H[q+_[x]];Z=O[U+_[x]]}else{W=32+64;Z=0}R=1<<y-T;B=1<<A;k=B;do{B-=R;m[M+(C>>T)+B]=F<<24|W<<16|Z|0}while(B!==0);R=1<<y-1;while(C&R){R>>=1}if(R!==0){C&=R-1;C+=R}else{C=0}x++;if(--N[y]===0){if(y===E){break}y=t[r+_[x]]}if(y>S&&(C&z)!==j){if(T===0){T=S}M+=k;A=y-T;I=1<<A;while(A+T<E){I-=N[A+T];if(I<=0){break}A++;I<<=1}L+=1<<A;if(e===f&&L>a||e===c&&L>o){return 1}j=C&z;m[j]=S<<24|A<<16|M-g|0}}if(C!==0){m[M+C]=y-T<<24|64<<16|0}w.bits=S;return 0}},{"../utils/common":52}],60:[function(e,t,r){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],61:[function(e,t,r){"use strict";var n=e("../utils/common");var i=4;var a=0;var o=1;var s=2;function f(e){var t=e.length;while(--t>=0){e[t]=0}}var c=0;var l=1;var u=2;var d=3;var p=258;var h=29;var v=256;var m=v+1+h;var g=30;var _=19;var w=2*m+1;var b=15;var y=16;var x=7;var k=256;var E=16;var S=17;var A=18;var T=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0];var I=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];var L=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7];var C=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];var R=512;var B=new Array((m+2)*2);f(B);var j=new Array(g*2);f(j);var z=new Array(R);f(z);var M=new Array(p-d+1);f(M);var O=new Array(h);f(O);var U=new Array(g);f(U);var P=function(e,t,r,n,i){this.static_tree=e;this.extra_bits=t;this.extra_base=r;this.elems=n;this.max_length=i;this.has_stree=e&&e.length};var N;var D;var H;var q=function(e,t){this.dyn_tree=e;this.max_code=0;this.stat_desc=t};function F(e){return e<256?z[e]:z[256+(e>>>7)]}function W(e,t){e.pending_buf[e.pending++]=t&255;e.pending_buf[e.pending++]=t>>>8&255}function Z(e,t,r){if(e.bi_valid>y-r){e.bi_buf|=t<<e.bi_valid&65535;W(e,e.bi_buf);e.bi_buf=t>>y-e.bi_valid;e.bi_valid+=r-y}else{e.bi_buf|=t<<e.bi_valid&65535;e.bi_valid+=r}}function Y(e,t,r){Z(e,r[t*2],r[t*2+1])}function G(e,t){var r=0;do{r|=e&1;e>>>=1;r<<=1}while(--t>0);return r>>>1}function V(e){if(e.bi_valid===16){W(e,e.bi_buf);e.bi_buf=0;e.bi_valid=0}else if(e.bi_valid>=8){e.pending_buf[e.pending++]=e.bi_buf&255;e.bi_buf>>=8;e.bi_valid-=8}}function K(e,t){var r=t.dyn_tree;var n=t.max_code;var i=t.stat_desc.static_tree;var a=t.stat_desc.has_stree;var o=t.stat_desc.extra_bits;var s=t.stat_desc.extra_base;var f=t.stat_desc.max_length;var c;var l,u;var d;var p;var h;var v=0;for(d=0;d<=b;d++){e.bl_count[d]=0}r[e.heap[e.heap_max]*2+1]=0;for(c=e.heap_max+1;c<w;c++){l=e.heap[c];d=r[r[l*2+1]*2+1]+1;if(d>f){d=f;v++}r[l*2+1]=d;if(l>n){continue}e.bl_count[d]++;p=0;if(l>=s){p=o[l-s]}h=r[l*2];e.opt_len+=h*(d+p);if(a){e.static_len+=h*(i[l*2+1]+p)}}if(v===0){return}do{d=f-1;while(e.bl_count[d]===0){d--}e.bl_count[d]--;e.bl_count[d+1]+=2;e.bl_count[f]--;v-=2}while(v>0);for(d=f;d!==0;d--){l=e.bl_count[d];while(l!==0){u=e.heap[--c];if(u>n){continue}if(r[u*2+1]!==d){e.opt_len+=(d-r[u*2+1])*r[u*2];r[u*2+1]=d}l--}}}function $(e,t,r){var n=new Array(b+1);var i=0;var a;var o;for(a=1;a<=b;a++){n[a]=i=i+r[a-1]<<1}for(o=0;o<=t;o++){var s=e[o*2+1];if(s===0){continue}e[o*2]=G(n[s]++,s)}}function X(){var e;var t;var r;var n;var i;var a=new Array(b+1);r=0;for(n=0;n<h-1;n++){O[n]=r;for(e=0;e<1<<T[n];e++){M[r++]=n}}M[r-1]=n;i=0;for(n=0;n<16;n++){U[n]=i;for(e=0;e<1<<I[n];e++){z[i++]=n}}i>>=7;for(;n<g;n++){U[n]=i<<7;for(e=0;e<1<<I[n]-7;e++){z[256+i++]=n}}for(t=0;t<=b;t++){a[t]=0;
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if(a===o){f=6;c=3}else{f=7;c=4}}}function oe(e,t,r){var n;var i=-1;var a;var o=t[0*2+1];var s=0;var f=7;var c=4;if(o===0){f=138;c=3}for(n=0;n<=r;n++){a=o;o=t[(n+1)*2+1];if(++s<f&&a===o){continue}else if(s<c){do{Y(e,a,e.bl_tree)}while(--s!==0)}else if(a!==0){if(a!==i){Y(e,a,e.bl_tree);s--}Y(e,E,e.bl_tree);Z(e,s-3,2)}else if(s<=10){Y(e,S,e.bl_tree);Z(e,s-3,3)}else{Y(e,A,e.bl_tree);Z(e,s-11,7)}s=0;i=a;if(o===0){f=138;c=3}else if(a===o){f=6;c=3}else{f=7;c=4}}}function se(e){var t;ae(e,e.dyn_ltree,e.l_desc.max_code);ae(e,e.dyn_dtree,e.d_desc.max_code);ie(e,e.bl_desc);for(t=_-1;t>=3;t--){if(e.bl_tree[C[t]*2+1]!==0){break}}e.opt_len+=3*(t+1)+5+5+4;return t}function fe(e,t,r,n){var i;Z(e,t-257,5);Z(e,r-1,5);Z(e,n-4,4);for(i=0;i<n;i++){Z(e,e.bl_tree[C[i]*2+1],3)}oe(e,e.dyn_ltree,t-1);oe(e,e.dyn_dtree,r-1)}function ce(e){var t=4093624447;var r;for(r=0;r<=31;r++,t>>>=1){if(t&1&&e.dyn_ltree[r*2]!==0){return a}}if(e.dyn_ltree[9*2]!==0||e.dyn_ltree[10*2]!==0||e.dyn_ltree[13*2]!==0){return o}for(r=32;r<v;r++){if(e.dyn_ltree[r*2]!==0){return o}}return a}var le=false;function ue(e){if(!le){X();le=true}e.l_desc=new q(e.dyn_ltree,N);e.d_desc=new q(e.dyn_dtree,D);e.bl_desc=new q(e.bl_tree,H);e.bi_buf=0;e.bi_valid=0;J(e)}function de(e,t,r,n){Z(e,(c<<1)+(n?1:0),3);ee(e,t,r,true)}function pe(e){Z(e,l<<1,3);Y(e,k,B);V(e)}function he(e,t,r,n){var a,o;var f=0;if(e.level>0){if(e.strm.data_type===s){e.strm.data_type=ce(e)}ie(e,e.l_desc);ie(e,e.d_desc);f=se(e);a=e.opt_len+3+7>>>3;o=e.static_len+3+7>>>3;if(o<=a){a=o}}else{a=o=r+5}if(r+4<=a&&t!==-1){de(e,t,r,n)}else if(e.strategy===i||o===a){Z(e,(l<<1)+(n?1:0),3);ne(e,B,j)}else{Z(e,(u<<1)+(n?1:0),3);fe(e,e.l_desc.max_code+1,e.d_desc.max_code+1,f+1);ne(e,e.dyn_ltree,e.dyn_dtree)}J(e);if(n){Q(e)}}function 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l(e){if(e<r.DEFLATE||e>r.UNZIP)throw new TypeError("Bad argument");this.mode=e;this.init_done=false;this.write_in_progress=false;this.pending_close=false;this.windowBits=0;this.level=0;this.memLevel=0;this.strategy=0;this.dictionary=null}l.prototype.init=function(e,t,n,i,f){this.windowBits=e;this.level=t;this.memLevel=n;this.strategy=i;if(this.mode===r.GZIP||this.mode===r.GUNZIP)this.windowBits+=16;if(this.mode===r.UNZIP)this.windowBits+=32;if(this.mode===r.DEFLATERAW||this.mode===r.INFLATERAW)this.windowBits=-this.windowBits;this.strm=new a;switch(this.mode){case r.DEFLATE:case r.GZIP:case r.DEFLATERAW:var c=o.deflateInit2(this.strm,this.level,r.Z_DEFLATED,this.windowBits,this.memLevel,this.strategy);break;case r.INFLATE:case r.GUNZIP:case r.INFLATERAW:case r.UNZIP:var c=s.inflateInit2(this.strm,this.windowBits);break;default:throw new Error("Unknown mode 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this._write(e,t,r,n,i,a,o)};l.prototype._write=function(e,t,i,a,f,c,l){this.write_in_progress=true;if(e!==r.Z_NO_FLUSH&&e!==r.Z_PARTIAL_FLUSH&&e!==r.Z_SYNC_FLUSH&&e!==r.Z_FULL_FLUSH&&e!==r.Z_FINISH&&e!==r.Z_BLOCK){throw new Error("Invalid flush value")}if(t==null){t=new n(0);a=0;i=0}if(f._set)f.set=f._set;else f.set=u;var d=this.strm;d.avail_in=a;d.input=t;d.next_in=i;d.avail_out=l;d.output=f;d.next_out=c;switch(this.mode){case r.DEFLATE:case r.GZIP:case r.DEFLATERAW:var p=o.deflate(d,e);break;case r.UNZIP:case r.INFLATE:case r.GUNZIP:case r.INFLATERAW:var p=s.inflate(d,e);break;default:throw new Error("Unknown mode "+this.mode)}if(p!==r.Z_STREAM_END&&p!==r.Z_OK){this._error(p)}this.write_in_progress=false;return[d.avail_in,d.avail_out]};l.prototype.close=function(){if(this.write_in_progress){this.pending_close=true;return}this.pending_close=false;if(this.mode===r.DEFLATE||this.mode===r.GZIP||this.mode===r.DEFLATERAW){o.deflateEnd(this.strm)}else{s.inflateEnd(this.strm)}this.mode=r.NONE};l.prototype.reset=function(){switch(this.mode){case r.DEFLATE:case r.DEFLATERAW:var e=o.deflateReset(this.strm);break;case r.INFLATE:case r.INFLATERAW:var e=s.inflateReset(this.strm);break}if(e!==r.Z_OK){this._error(e)}};l.prototype._error=function(e){this.onerror(i[e]+": "+this.strm.msg,e);this.write_in_progress=false;if(this.pending_close)this.close()};r.Zlib=l}).call(this,e("_process"),e("buffer").Buffer)},{_process:77,buffer:65,"pako/lib/zlib/constants":54,"pako/lib/zlib/deflate.js":56,"pako/lib/zlib/inflate.js":58,"pako/lib/zlib/messages":60,"pako/lib/zlib/zstream":62}],64:[function(e,t,r){(function(t,n){var i=e("_stream_transform");var a=e("./binding");var o=e("util");var s=e("assert").ok;a.Z_MIN_WINDOWBITS=8;a.Z_MAX_WINDOWBITS=15;a.Z_DEFAULT_WINDOWBITS=15;a.Z_MIN_CHUNK=64;a.Z_MAX_CHUNK=Infinity;a.Z_DEFAULT_CHUNK=16*1024;a.Z_MIN_MEMLEVEL=1;a.Z_MAX_MEMLEVEL=9;a.Z_DEFAULT_MEMLEVEL=8;a.Z_MIN_LEVEL=-1;a.Z_MAX_LEVEL=9;a.Z_DEFAULT_LEVEL=a.Z_DEFAULT_COMPRESSION;Object.keys(a).forEach(function(e){if(e.match(/^Z/))r[e]=a[e]});r.codes={Z_OK:a.Z_OK,Z_STREAM_END:a.Z_STREAM_END,Z_NEED_DICT:a.Z_NEED_DICT,Z_ERRNO:a.Z_ERRNO,Z_STREAM_ERROR:a.Z_STREAM_ERROR,Z_DATA_ERROR:a.Z_DATA_ERROR,Z_MEM_ERROR:a.Z_MEM_ERROR,Z_BUF_ERROR:a.Z_BUF_ERROR,Z_VERSION_ERROR:a.Z_VERSION_ERROR};Object.keys(r.codes).forEach(function(e){r.codes[r.codes[e]]=e});r.Deflate=l;r.Inflate=u;r.Gzip=d;r.Gunzip=p;r.DeflateRaw=h;r.InflateRaw=v;r.Unzip=m;r.createDeflate=function(e){return new l(e)};r.createInflate=function(e){return new u(e)};r.createDeflateRaw=function(e){return new h(e)};r.createInflateRaw=function(e){return new v(e)};r.createGzip=function(e){return new d(e)};r.createGunzip=function(e){return new p(e)};r.createUnzip=function(e){return new m(e)};r.deflate=function(e,t,r){if(typeof t==="function"){r=t;t={}}return f(new l(t),e,r)};r.deflateSync=function(e,t){return c(new l(t),e)};r.gzip=function(e,t,r){if(typeof t==="function"){r=t;t={}}return f(new d(t),e,r)};r.gzipSync=function(e,t){return c(new d(t),e)};r.deflateRaw=function(e,t,r){if(typeof t==="function"){r=t;t={}}return f(new h(t),e,r)};r.deflateRawSync=function(e,t){return c(new h(t),e)};r.unzip=function(e,t,r){if(typeof t==="function"){r=t;t={}}return f(new m(t),e,r)};r.unzipSync=function(e,t){return c(new m(t),e)};r.inflate=function(e,t,r){if(typeof t==="function"){r=t;t={}}return f(new u(t),e,r)};r.inflateSync=function(e,t){return c(new u(t),e)};r.gunzip=function(e,t,r){if(typeof t==="function"){r=t;t={}}return f(new p(t),e,r)};r.gunzipSync=function(e,t){return c(new p(t),e)};r.inflateRaw=function(e,t,r){if(typeof t==="function"){r=t;t={}}return f(new v(t),e,r)};r.inflateRawSync=function(e,t){return c(new v(t),e)};function f(e,t,r){var i=[];var a=0;e.on("error",s);e.on("end",f);e.end(t);o();function o(){var t;while(null!==(t=e.read())){i.push(t);a+=t.length}e.once("readable",o)}function s(t){e.removeListener("end",f);e.removeListener("readable",o);r(t)}function f(){var t=n.concat(i,a);i=[];r(null,t);e.close()}}function c(e,t){if(typeof t==="string")t=new n(t);if(!n.isBuffer(t))throw new TypeError("Not a string or buffer");var r=a.Z_FINISH;return e._processChunk(t,r)}function l(e){if(!(this instanceof l))return new l(e);g.call(this,e,a.DEFLATE)}function u(e){if(!(this instanceof u))return new u(e);g.call(this,e,a.INFLATE)}function d(e){if(!(this instanceof d))return new d(e);g.call(this,e,a.GZIP)}function p(e){if(!(this instanceof p))return new p(e);g.call(this,e,a.GUNZIP)}function h(e){if(!(this instanceof h))return new h(e);g.call(this,e,a.DEFLATERAW)}function v(e){if(!(this instanceof v))return new v(e);g.call(this,e,a.INFLATERAW)}function m(e){if(!(this instanceof m))return new m(e);g.call(this,e,a.UNZIP)}function g(e,t){this._opts=e=e||{};this._chunkSize=e.chunkSize||r.Z_DEFAULT_CHUNK;i.call(this,e);if(e.flush){if(e.flush!==a.Z_NO_FLUSH&&e.flush!==a.Z_PARTIAL_FLUSH&&e.flush!==a.Z_SYNC_FLUSH&&e.flush!==a.Z_FULL_FLUSH&&e.flush!==a.Z_FINISH&&e.flush!==a.Z_BLOCK){throw new Error("Invalid flush flag: "+e.flush)}}this._flushFlag=e.flush||a.Z_NO_FLUSH;if(e.chunkSize){if(e.chunkSize<r.Z_MIN_CHUNK||e.chunkSize>r.Z_MAX_CHUNK){throw new Error("Invalid chunk size: "+e.chunkSize)}}if(e.windowBits){if(e.windowBits<r.Z_MIN_WINDOWBITS||e.windowBits>r.Z_MAX_WINDOWBITS){throw new Error("Invalid windowBits: "+e.windowBits)}}if(e.level){if(e.level<r.Z_MIN_LEVEL||e.level>r.Z_MAX_LEVEL){throw new Error("Invalid compression level: "+e.level)}}if(e.memLevel){if(e.memLevel<r.Z_MIN_MEMLEVEL||e.memLevel>r.Z_MAX_MEMLEVEL){throw new Error("Invalid memLevel: 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u=new h(s);var d=new a(t,{zeroPadding:false});u.on("error",_);u.pipe(d).on("data",p).on("end",m).on("error",_);function p(e){o+=e.length;var t=c;g(e,function(e){i[t]=e;f-=1;b()});f+=1;c+=1}function m(){l=true;b()}function _(e){w();r(e)}function w(){u.removeListener("error",_);d.removeListener("data",p);d.removeListener("end",m);d.removeListener("error",_)}function b(){if(l&&f===0){w();r(null,new n(i.join(""),"hex"),o)}}}function A(e,n,a){var s=n.announceList;if(!s){if(typeof n.announce==="string")s=[[n.announce]];else if(Array.isArray(n.announce)){s=n.announce.map(function(e){return[e]})}}if(!s)s=[];if(r.WEBTORRENT_ANNOUNCE){if(typeof r.WEBTORRENT_ANNOUNCE==="string"){s.push([[r.WEBTORRENT_ANNOUNCE]])}else if(Array.isArray(r.WEBTORRENT_ANNOUNCE)){s=s.concat(r.WEBTORRENT_ANNOUNCE.map(function(e){return[e]}))}}if(s.length===0){s=s.concat(t.exports.announceList)}var f={info:{name:n.name},announce:s[0][0],"announce-list":s,"creation 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window!=="undefined"?window:{},e("buffer").Buffer)},{bencode:99,"block-stream2":103,buffer:65,dezalgo:115,"filestream/read":121,flatten:122,fs:49,"is-file":123,junk:124,multistream:125,once:128,path:76,"piece-length":129,"run-parallel":131,"simple-sha1":135,stream:93}],99:[function(e,t,r){arguments[4][16][0].apply(r,arguments)},{"./lib/decode":100,"./lib/encode":102,dup:16}],100:[function(e,t,r){arguments[4][17][0].apply(r,arguments)},{"./dict":101,buffer:65,dup:17}],101:[function(e,t,r){arguments[4][18][0].apply(r,arguments)},{dup:18}],102:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{buffer:65,dup:19}],103:[function(e,t,r){arguments[4][38][0].apply(r,arguments)},{buffer:65,defined:104,dup:38,inherits:105,"readable-stream":114}],104:[function(e,t,r){arguments[4][39][0].apply(r,arguments)},{dup:39}],105:[function(e,t,r){arguments[4][24][0].apply(r,arguments)},{dup:24}],106:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{"./_stream_readable":108,"./_stream_writable":110,_process:77,"core-util-is":111,dup:40,inherits:105}],107:[function(e,t,r){arguments[4][41][0].apply(r,arguments)},{"./_stream_transform":109,"core-util-is":111,dup:41,inherits:105}],108:[function(e,t,r){(function(r){t.exports=l;var 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t!=="undefined"){t.exports=n}else if(typeof window!=="undefined"){window.Rusha=n}if(typeof FileReaderSync!=="undefined"){var i=new FileReaderSync,a=new n(4*1024*1024);self.onmessage=function s(e){var t,r=e.data.data;try{t=a.digest(r);self.postMessage({id:e.data.id,hash:t})}catch(n){self.postMessage({id:e.data.id,error:n.name})}}}})()}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],180:[function(e,t,r){arguments[4][25][0].apply(r,arguments)},{dup:25}],181:[function(e,t,r){(function(r){t.exports=l;var n=e("debug")("torrent-discovery");var i=e("bittorrent-dht/client");var a=e("events").EventEmitter;var o=e("xtend/mutable");var s=e("inherits");var f=e("re-emitter");var c=e("bittorrent-tracker/client");s(l,a);function l(e){var t=this;if(!(t instanceof l))return new l(e);a.call(t);o(t,{announce:[],dht:typeof i==="function",rtcConfig:null,peerId:null,port:0,tracker:true,wrtc:null},e);t._externalDHT=typeof t.dht==="object";t._performedDHTLookup=false;if(!t.peerId)throw new Error("peerId required");if(!r.browser&&!t.port)throw new Error("port required");if(t.dht)t._createDHT(t.dhtPort)}l.prototype.setTorrent=function(e){var t=this;if(t.torrent)return;if(e&&e.infoHash){t.torrent=e;t.infoHash=e.infoHash}else{if(t.infoHash)return;t.infoHash=e}n("setTorrent %s",t.infoHash);if(t.tracker&&t.tracker!==true){t.tracker.torrentLength=e.length}else{t._createTracker()}if(t.dht){if(t.dht.ready)t._dhtLookupAndAnnounce();else t.dht.on("ready",t._dhtLookupAndAnnounce.bind(t))}};l.prototype.stop=function(e){var t=this;if(t.tracker){if(t.tracker.stop)t.tracker.stop();if(t.tracker.destroy)t.tracker.destroy()}if(!t._externalDHT&&t.dht&&t.dht.destroy)t.dht.destroy(e);else r.nextTick(function(){e(null)})};l.prototype._createDHT=function(e){var t=this;if(!t._externalDHT)t.dht=new i;f(t.dht,t,["error","warning"]);t.dht.on("peer",function(e,r){if(r===t.infoHash)t.emit("peer",e)});if(!t._externalDHT)t.dht.listen(e)};l.prototype._createTracker=function(){var e=this;if(!e.tracker)return;var t=e.torrent||{infoHash:e.infoHash,announce:e.announce};var r={rtcConfig:e.rtcConfig,wrtc:e.wrtc};e.tracker=new c(e.peerId,e.port,t,r);f(e.tracker,e,["peer","warning","error"]);e.tracker.start()};l.prototype._dhtLookupAndAnnounce=function(){var e=this;if(e._performedDHTLookup)return;e._performedDHTLookup=true;n("dht lookup");e.dht.lookup(e.infoHash,function(t){if(t||!e.port)return;n("dht announce");e.dht.announce(e.infoHash,e.port,function(){n("dht announce complete");e.emit("dhtAnnounce")})})}}).call(this,e("_process"))},{_process:77,"bittorrent-dht/client":51,"bittorrent-tracker/client":182,debug:195,events:69,inherits:199,"re-emitter":200,"xtend/mutable":201}],182:[function(e,t,r){(function(r,n){t.exports=p;var i=e("debug")("bittorrent-tracker");var a=e("events").EventEmitter;var o=e("inherits");var s=e("once");var f=e("url");var c=e("./lib/common");var l=e("./lib/http-tracker");var u=e("./lib/udp-tracker");var d=e("./lib/websocket-tracker");o(p,a);function p(e,t,o,s){var h=this;if(!(h instanceof p))return new p(e,t,o,s);a.call(h);if(!s)s={};h._peerId=n.isBuffer(e)?e:new n(e,"hex");h._peerIdHex=h._peerId.toString("hex");h._peerIdBinary=h._peerId.toString("binary");h._infoHash=n.isBuffer(o.infoHash)?o.infoHash:new n(o.infoHash,"hex");h._infoHashHex=h._infoHash.toString("hex");h._infoHashBinary=h._infoHash.toString("binary");h._port=t;h.torrentLength=o.length;h._rtcConfig=s.rtcConfig;h._wrtc=s.wrtc;h._numWant=s.numWant||c.DEFAULT_ANNOUNCE_PEERS;h._intervalMs=s.interval||c.DEFAULT_ANNOUNCE_INTERVAL;i("new client %s",h._infoHashHex);var v={interval:h._intervalMs};var m=!!h._wrtc||typeof window!=="undefined";var g=typeof o.announce==="string"?[o.announce]:o.announce==null?[]:o.announce;h._trackers=g.map(function(e){e=e.toString();var t=f.parse(e).protocol;if((t==="http:"||t==="https:")&&typeof l==="function"){return new l(h,e,v)}else if(t==="udp:"&&typeof u==="function"){return new u(h,e,v)}else if((t==="ws:"||t==="wss:")&&m){return new d(h,e,v)}else{r.nextTick(function(){var t=new Error("unsupported tracker protocol for "+e);h.emit("warning",t)})}return null}).filter(Boolean)}p.scrape=function(e,t,r){r=s(r);var i=new n("01234567890123456789");var a=6881;var o={infoHash:Array.isArray(t)?t[0]:t,announce:[e]};var f=new p(i,a,o);f.once("error",r);var c=Array.isArray(t)?t.length:1;var l={};f.on("scrape",function(e){c-=1;l[e.infoHash]=e;if(c===0){f.destroy();var t=Object.keys(l);if(t.length===1){r(null,l[t[0]])}else{r(null,l)}}});t=Array.isArray(t)?t.map(function(e){return new n(e,"hex")}):new n(t,"hex");f.scrape({infoHash:t})};p.prototype.start=function(e){var t=this;i("send `start`");e=t._defaultAnnounceOpts(e);e.event="started";t._announce(e);t._trackers.forEach(function(e){e.setInterval(t._intervalMs)})};p.prototype.stop=function(e){var t=this;i("send `stop`");e=t._defaultAnnounceOpts(e);e.event="stopped";t._announce(e)};p.prototype.complete=function(e){var t=this;i("send `complete`");if(!e)e={};if(e.downloaded==null&&t.torrentLength!=null){e.downloaded=t.torrentLength}e=t._defaultAnnounceOpts(e);e.event="completed";t._announce(e)};p.prototype.update=function(e){var t=this;i("send `update`");e=t._defaultAnnounceOpts(e);if(e.event)delete e.event;t._announce(e)};p.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})};p.prototype.scrape=function(e){var t=this;i("send `scrape`");if(!e)e={};t._trackers.forEach(function(t){t.scrape(e)})};p.prototype.setInterval=function(e){var t=this;i("setInterval");t._intervalMs=e;t._trackers.forEach(function(t){t.setInterval(e)})};p.prototype.destroy=function(){var e=this;i("destroy");e._trackers.forEach(function(e){e.destroy();e.setInterval(0)});e._trackers=[]};p.prototype._defaultAnnounceOpts=function(e){var t=this;if(!e)e={};if(e.numWant==null)e.numWant=t._numWant;if(e.uploaded==null)e.uploaded=0;if(e.downloaded==null)e.downloaded=0;if(e.left==null&&t.torrentLength!=null){e.left=t.torrentLength-e.downloaded}return e}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/common":184,"./lib/http-tracker":51,"./lib/udp-tracker":51,"./lib/websocket-tracker":185,_process:77,buffer:65,debug:195,events:69,inherits:199,once:187,url:95}],183:[function(e,t,r){(function(t){var n=e("querystring");r.IPV4_RE=/^[\d\.]+$/;r.IPV6_RE=/^[\da-fA-F:]+$/;r.CONNECTION_ID=t.concat([i(1047),i(655366528)]);r.ACTIONS={CONNECT:0,ANNOUNCE:1,SCRAPE:2,ERROR:3};r.EVENTS={update:0,completed:1,started:2,stopped:3};r.EVENT_IDS={0:"update",1:"completed",2:"started",3:"stopped"};r.EVENT_NAMES={update:"update",completed:"complete",started:"start",stopped:"stop"};function i(e){var r=new t(4);r.writeUInt32BE(e,0);return r}r.toUInt32=i;r.querystringParse=function(e){var t=n.unescape;n.unescape=unescape;var r=n.parse(e);n.unescape=t;return r};r.querystringStringify=function(e){var t=n.escape;n.escape=escape;var r=n.stringify(e);r=r.replace(/[\@\*\/\+]/g,function(e){return"%"+e.charCodeAt(0).toString(16).toUpperCase()});n.escape=t;return r}}).call(this,e("buffer").Buffer)},{buffer:65,querystring:81}],184:[function(e,t,r){(function(t){var n=e("xtend/mutable");r.DEFAULT_ANNOUNCE_INTERVAL=30*60*1e3;r.DEFAULT_ANNOUNCE_PEERS=50;r.MAX_ANNOUNCE_PEERS=82;r.binaryToHex=function(e){return new t(e,"binary").toString("hex")};r.hexToBinary=function(e){return new t(e,"hex").toString("binary")};var i=e("./common-node");n(r,i)}).call(this,e("buffer").Buffer)},{"./common-node":183,buffer:65,"xtend/mutable":201}],185:[function(e,t,r){t.exports=p;var n=e("debug")("bittorrent-tracker:websocket-tracker");var i=e("events").EventEmitter;var a=e("hat");var o=e("inherits");var s=e("simple-peer");var f=e("simple-websocket");var c=e("./common");var l={};var u=30*1e3;var d=5*1e3;o(p,i);function p(e,t,r){var a=this;i.call(a);n("new websocket tracker %s",t);a.client=e;a.destroyed=false;a._opts=r;if(t[t.length-1]==="/"){t=t.substring(0,t.length-1)}a._announceUrl=t;a._peers={};a._socket=null;a._intervalMs=a.client._intervalMs;a._interval=null;a._openSocket()}p.prototype.announce=function(e){var t=this;if(t.destroyed)return;if(!t._socket.connected){return t._socket.once("connect",t.announce.bind(t,e))}e.info_hash=t.client._infoHashBinary;e.peer_id=t.client._peerIdBinary;if(e.numWant>10)e.numWant=10;t._generateOffers(e.numWant,function(r){e.offers=r;if(t._trackerId){e.trackerid=t._trackerId}t._send(e)})};p.prototype.scrape=function(e){var t=this;if(t.destroyed)return;t._onSocketError(new Error("scrape not supported "+t._announceUrl))};p.prototype.setInterval=function(e){var t=this;clearInterval(t._interval);t._intervalMs=e;if(e){var r=t.announce.bind(t,t.client._defaultAnnounceOpts());t._interval=setInterval(r,t._intervalMs)}};p.prototype.destroy=function(){var e=this;if(e.destroyed)return;e.destroyed=true;e._socket.removeListener("data",e._onSocketDataBound);e._socket.removeListener("close",e._onSocketCloseBound);e._socket.removeListener("error",e._onSocketErrorBound);e._onSocketErrorBound=null;e._onSocketDataBound=null;e._onSocketCloseBound=null;e._socket.on("error",h);try{e._socket.close()}catch(t){}e._socket=null};p.prototype._openSocket=function(){var e=this;e._onSocketErrorBound=e._onSocketError.bind(e);e._onSocketDataBound=e._onSocketData.bind(e);e._onSocketCloseBound=e._onSocketClose.bind(e);e._socket=l[e._announceUrl];if(!e._socket){e._socket=l[e._announceUrl]=new f(e._announceUrl)}e._socket.on("data",e._onSocketDataBound);e._socket.on("close",e._onSocketCloseBound);e._socket.on("error",e._onSocketErrorBound)};p.prototype._onSocketData=function(e){var t=this;if(t.destroyed)return;if(!(typeof e==="object"&&e!==null)){return t.client.emit("warning",new Error("Invalid tracker response"))}if(e.info_hash!==t.client._infoHashBinary){n("ignoring websocket data from %s for %s (looking for %s: reused socket)",t._announceUrl,c.binaryToHex(e.info_hash),t.client._infoHashHex);return}if(e.peer_id&&e.peer_id===t.client._peerIdBinary){return}n("received %s from %s for %s",JSON.stringify(e),t._announceUrl,t.client._infoHashHex);var r=e["failure reason"];if(r)return t.client.emit("warning",new Error(r));var i=e["warning message"];if(i)t.client.emit("warning",new Error(i));var a=e.interval||e["min interval"];if(a&&!t._opts.interval&&t._intervalMs!==0){t.setInterval(a*1e3)}var o=e["tracker id"];if(o){t._trackerId=o}if(e.complete){t.client.emit("update",{announce:t._announceUrl,complete:e.complete,incomplete:e.incomplete})}var f;if(e.offer&&e.peer_id){f=new s({trickle:false,config:t.client._rtcConfig,wrtc:t.client._wrtc});f.id=c.binaryToHex(e.peer_id);f.once("signal",function(r){var n={info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,to_peer_id:e.peer_id,answer:r,offer_id:e.offer_id};if(t._trackerId)n.trackerid=t._trackerId;t._send(n)});f.signal(e.offer);t.client.emit("peer",f)}if(e.answer&&e.peer_id){f=t._peers[c.binaryToHex(e.offer_id)];if(f){f.id=c.binaryToHex(e.peer_id);f.signal(e.answer);t.client.emit("peer",f)}else{n("got unexpected answer: "+JSON.stringify(e.answer))}}};p.prototype._onSocketClose=function(){var e=this;if(e.destroyed)return;e.destroy();e._startReconnectTimer()};p.prototype._onSocketError=function(e){var t=this;if(t.destroyed)return;t.destroy();t.client.emit("warning",e);t._startReconnectTimer()};p.prototype._startReconnectTimer=function(){var e=this;var t=Math.floor(Math.random()*u)+d;setTimeout(function(){e.destroyed=false;e._openSocket()},t);n("reconnecting socket in %s ms",t)};p.prototype._send=function(e){var t=this;if(t.destroyed)return;var r=JSON.stringify(e);n("send %s",r);t._socket.send(r)};p.prototype._generateOffers=function(e,t){var r=this;var i=[];n("generating %s offers",e);for(var o=0;o<e;++o){f()}function f(){var e=a(160);var t=r._peers[e]=new s({initiator:true,trickle:false,config:r.client._rtcConfig,wrtc:r.client._wrtc});t.once("signal",function(t){i.push({offer:t,offer_id:c.hexToBinary(e)});l()})}function l(){if(i.length===e){n("generated %s offers",e);t(i)}}};function h(){}},{"./common":184,debug:195,events:69,hat:198,inherits:199,"simple-peer":188,"simple-websocket":192}],186:[function(e,t,r){arguments[4][32][0].apply(r,arguments)},{dup:32}],187:[function(e,t,r){arguments[4][36][0].apply(r,arguments)},{dup:36,wrappy:186}],188:[function(e,t,r){(function(r){t.exports=u;var n=e("debug")("simple-peer");var i=e("get-browser-rtc");var a=e("hat");var o=e("inherits");var s=e("is-typedarray");var f=e("once");var c=e("stream");var l=e("typedarray-to-buffer");o(u,c.Duplex);function u(e){var t=this;if(!(t instanceof u))return new u(e);t._debug("new peer %o",e);if(!e)e={};e.allowHalfOpen=false;if(e.highWaterMark==null)e.highWaterMark=1024*1024;c.Duplex.call(t,e);t.initiator=e.initiator||false;t.channelConfig=e.channelConfig||u.channelConfig;t.channelName=e.channelName||a(160);if(!e.initiator)t.channelName=null;t.config=e.config||u.config;t.constraints=e.constraints||u.constraints;t.reconnectTimer=e.reconnectTimer||0;t.sdpTransform=e.sdpTransform||function(e){return e};t.stream=e.stream||false;t.trickle=e.trickle!==undefined?e.trickle:true;t.destroyed=false;t.connected=false;t.remoteAddress=undefined;t.remoteFamily=undefined;t.remotePort=undefined;t.localAddress=undefined;t.localPort=undefined;t._wrtc=e.wrtc||i();if(!t._wrtc){if(typeof window==="undefined"){throw new Error("No WebRTC support: Specify `opts.wrtc` option in this environment")}else{throw new Error("No WebRTC support: Not a supported browser")}}t._maxBufferedAmount=e.highWaterMark;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._chunk=null;t._cb=null;t._interval=null;t._reconnectTimeout=null;t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints);t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t);t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t);t._pc.onicecandidate=t._onIceCandidate.bind(t);if(t.stream)t._pc.addStream(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)});t._pc.onnegotiationneeded=f(t._createOffer.bind(t));if(typeof window==="undefined"||!window.webkitRTCPeerConnection){t._pc.onnegotiationneeded()}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){setTimeout(function(){t._destroy()},100)}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}})}u.WEBRTC_SUPPORT=!!i();u.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};u.constraints={};u.channelConfig={};Object.defineProperty(u.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});u.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};u.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if(typeof e==="string"){try{e=JSON.parse(e)}catch(r){e={}}}t._debug("signal()");if(e.sdp){t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){if(t.destroyed)return;if(t._pc.remoteDescription.type==="offer")t._createAnswer()},t._onError.bind(t))}if(e.candidate){try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e.candidate),d,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: "+r.message))}}if(!e.sdp&&!e.candidate){t._destroy(new Error("signal() called with invalid signal data"))}};u.prototype.send=function(e){var t=this;if(!s.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}if(r.isBuffer(e)&&!s.strict(e)){e=new Uint8Array(e)}var n=e.length||e.byteLength||e.size;t._channel.send(e);t._debug("write: %d bytes",n)};u.prototype.destroy=function(e){var t=this;t._destroy(null,e)};u.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.readable=r.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;r._chunk=null;r._cb=null;clearInterval(r._interval);clearTimeout(r._reconnectTimeout);if(r._pc){try{r._pc.close()}catch(e){}r._pc.oniceconnectionstatechange=null;r._pc.onsignalingstatechange=null;r._pc.onicecandidate=null}if(r._channel){try{r._channel.close()}catch(e){}r._channel.onmessage=null;r._channel.onopen=null;r._channel.onclose=null}r._pc=null;r._channel=null;if(e)r.emit("error",e);r.emit("close")};u.prototype._setupData=function(e){var t=this;t._channel=e.channel;t.channelName=t._channel.label;t._channel.binaryType="arraybuffer";t._channel.onmessage=t._onChannelMessage.bind(t);t._channel.onopen=t._onChannelOpen.bind(t);t._channel.onclose=t._onChannelClose.bind(t)};u.prototype._read=function(){};u.prototype._write=function(e,t,r){var n=this;if(n.destroyed)return r(new Error("cannot write after peer is destroyed"));if(n.connected){try{n.send(e)}catch(i){return n._onError(i)}if(n._channel.bufferedAmount>n._maxBufferedAmount){n._debug("start backpressure: bufferedAmount %d",n._channel.bufferedAmount);n._cb=r}else{r(null)}}else{n._debug("write before connect");n._chunk=e;n._cb=r}};u.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,d,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.offerConstraints)};u.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,d,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.answerConstraints)};u.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,r);e.emit("iceConnectionStateChange",t,r);if(r==="connected"||r==="completed"){clearTimeout(e._reconnectTimeout);e._pcReady=true;e._maybeReady()}if(r==="disconnected"){if(e.reconnectTimer){clearTimeout(e._reconnectTimeout);e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)}else{e._destroy()}}if(r==="closed"){e._destroy()}};u.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(e.connected||e._connecting||!e._pcReady||!e._channelReady)return;e._connecting=true;if(typeof window!=="undefined"&&!!window.mozRTCPeerConnection){e._pc.getStats(null,function(e){var r=[];e.forEach(function(e){r.push(e)});t(r)},e._onError.bind(e))}else{e._pc.getStats(function(e){var r=[];e.result().forEach(function(e){var t={};e.names().forEach(function(r){t[r]=e.stat(r)});t.id=e.id;t.type=e.type;t.timestamp=e.timestamp;r.push(t)});t(r)})}function t(t){t.forEach(function(t){if(t.type==="remotecandidate"){e.remoteAddress=t.ipAddress;e.remoteFamily="IPv4";e.remotePort=Number(t.portNumber);e._debug("connect remote: %s:%s (%s)",e.remoteAddress,e.remotePort,e.remoteFamily)}else if(t.type==="localcandidate"&&t.candidateType==="host"){e.localAddress=t.ipAddress;e.localPort=Number(t.portNumber);e._debug("connect local: %s:%s",e.localAddress,e.localPort)}});e._connecting=false;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(r){return e._onError(r)}e._chunk=null;e._debug('sent chunk from "write before connect"');var n=e._cb;e._cb=null;n(null)}e._interval=setInterval(function(){if(!e._cb||!e._channel||e._channel.bufferedAmount>e._maxBufferedAmount)return;e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref();e._debug("connect");e.emit("connect")}};u.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e._debug("signalingStateChange %s",e._pc.signalingState);e.emit("signalingStateChange",e._pc.signalingState)};u.prototype._onIceCandidate=function(e){var t=this;if(t.destroyed)return;if(e.candidate&&t.trickle){t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}})}else if(!e.candidate){t._iceComplete=true;t.emit("_iceComplete")}};u.prototype._onChannelMessage=function(e){var t=this;if(t.destroyed)return;var r=e.data;t._debug("read: %d bytes",r.byteLength||r.length);if(r instanceof ArrayBuffer){r=l(new Uint8Array(r));t.push(r)}else{try{r=JSON.parse(r)}catch(n){}t.emit("data",r)}};u.prototype._onChannelOpen=function(){var e=this;if(e.connected||e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};u.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e._destroy()};u.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};u.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t._destroy(e)};u.prototype._debug=function(){var e=this;var t=[].slice.call(arguments);var r=e.channelName&&e.channelName.substring(0,7);t[0]="["+r+"] "+t[0];n.apply(null,t)};function d(){}}).call(this,e("buffer").Buffer)},{buffer:65,debug:195,"get-browser-rtc":189,hat:198,inherits:199,"is-typedarray":190,once:187,stream:93,"typedarray-to-buffer":191}],189:[function(e,t,r){t.exports=function n(){if(typeof window==="undefined")return null;var e={RTCPeerConnection:window.mozRTCPeerConnection||window.RTCPeerConnection||window.webkitRTCPeerConnection,RTCSessionDescription:window.mozRTCSessionDescription||window.RTCSessionDescription||window.webkitRTCSessionDescription,RTCIceCandidate:window.mozRTCIceCandidate||window.RTCIceCandidate||window.webkitRTCIceCandidate};if(!e.RTCPeerConnection)return null;return e}},{}],190:[function(e,t,r){t.exports=a;a.strict=o;a.loose=s;var n=Object.prototype.toString;var i={"[object Int8Array]":true,"[object Int16Array]":true,"[object Int32Array]":true,"[object Uint8Array]":true,"[object Uint8ClampedArray]":true,"[object Uint16Array]":true,"[object Uint32Array]":true,"[object Float32Array]":true,"[object Float64Array]":true};function a(e){return o(e)||s(e)}function o(e){return e instanceof Int8Array||e instanceof Int16Array||e instanceof Int32Array||e instanceof Uint8Array||e instanceof Uint8ClampedArray||e instanceof Uint16Array||e instanceof Uint32Array||e instanceof Float32Array||e instanceof Float64Array}function s(e){return i[n.call(e)]}},{}],191:[function(e,t,r){arguments[4][119][0].apply(r,arguments)},{buffer:65,dup:119,"is-typedarray":190}],192:[function(e,t,r){(function(r){t.exports=l;var n=e("debug")("simple-websocket");var i=e("inherits");var a=e("is-typedarray");var o=e("stream");var s=e("typedarray-to-buffer");var f=e("ws");var c=typeof window!=="undefined"?window.WebSocket:f;i(l,o.Duplex);function l(e,t){var r=this;if(!(r instanceof l))return new l(e,t);if(!t)t={};n("new websocket: %s %o",e,t);t.allowHalfOpen=false;if(t.highWaterMark==null)t.highWaterMark=1024*1024;o.Duplex.call(r,t);r.url=e;r.connected=false;r.destroyed=false;r._maxBufferedAmount=t.highWaterMark;r._chunk=null;r._cb=null;r._interval=null;r._ws=new c(r.url);r._ws.binaryType="arraybuffer";r._ws.onopen=r._onOpen.bind(r);r._ws.onmessage=r._onMessage.bind(r);r._ws.onclose=r._onClose.bind(r);r._ws.onerror=function(){r._onError(new Error("connection error to "+r.url))};r.on("finish",function(){if(r.connected){setTimeout(function(){r._destroy()},100)}else{r.once("connect",function(){setTimeout(function(){r._destroy()},100)})}})}l.prototype.send=function(e){var t=this;if(!a.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}var i=e.length||e.byteLength||e.size;t._ws.send(e);n("write: %d bytes",i)};l.prototype.destroy=function(e){var t=this;t._destroy(null,e)};l.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);n("destroy (error: %s)",e&&e.message);this.readable=this.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.connected=false;r.destroyed=true;clearInterval(r._interval);r._interval=null;r._chunk=null;r._cb=null;if(r._ws){try{r._ws.close()}catch(e){}r._ws.onopen=null;r._ws.onmessage=null;r._ws.onclose=null;r._ws.onerror=null}r._ws=null;if(e)r.emit("error",e);r.emit("close")};l.prototype._read=function(){};l.prototype._write=function(e,t,r){var i=this;if(i.destroyed)return r(new Error("cannot write after socket is destroyed"));if(i.connected){try{i.send(e)}catch(a){return i._onError(a)}if(typeof f!=="function"&&i._ws.bufferedAmount>i._maxBufferedAmount){n("start backpressure: bufferedAmount %d",i._ws.bufferedAmount);i._cb=r}else{r(null)}}else{n("write before connect");i._chunk=e;i._cb=r}};l.prototype._onMessage=function(e){var t=this;if(t.destroyed)return;var i=e.data;n("read: %d bytes",i.byteLength||i.length);if(i instanceof ArrayBuffer){i=s(new Uint8Array(i));t.push(i)}else if(r.isBuffer(i)){t.push(i)}else{try{i=JSON.parse(i)}catch(a){}t.emit("data",i)}};l.prototype._onOpen=function(){var e=this;if(e.connected||e.destroyed)return;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(t){return e._onError(t)}e._chunk=null;n('sent chunk from "write before connect"');var r=e._cb;e._cb=null;r(null)}if(typeof f!=="function"){e._interval=setInterval(function(){if(!e._cb||!e._ws||e._ws.bufferedAmount>e._maxBufferedAmount){return}n("ending backpressure: bufferedAmount %d",e._ws.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref()}n("connect");e.emit("connect")};l.prototype._onClose=function(){var e=this;if(e.destroyed)return;n("on close");e._destroy()};l.prototype._onError=function(e){var t=this;if(t.destroyed)return;n("error: %s",e.message||e);t._destroy(e)}}).call(this,e("buffer").Buffer)},{buffer:65,debug:195,inherits:199,"is-typedarray":193,stream:93,"typedarray-to-buffer":194,ws:51}],193:[function(e,t,r){arguments[4][190][0].apply(r,arguments)},{dup:190}],194:[function(e,t,r){arguments[4][119][0].apply(r,arguments)},{buffer:65,dup:119,"is-typedarray":193}],195:[function(e,t,r){arguments[4][137][0].apply(r,arguments)},{"./debug":196,dup:137}],196:[function(e,t,r){arguments[4][22][0].apply(r,arguments)},{dup:22,ms:197}],197:[function(e,t,r){arguments[4][139][0].apply(r,arguments)},{dup:139}],198:[function(e,t,r){arguments[4][145][0].apply(r,arguments)},{dup:145}],199:[function(e,t,r){arguments[4][24][0].apply(r,arguments)},{dup:24}],200:[function(e,t,r){arguments[4][173][0].apply(r,arguments)},{dup:173,events:69}],201:[function(e,t,r){t.exports=n;function n(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r){if(r.hasOwnProperty(n)){e[n]=r[n]}}}return e}},{}],202:[function(e,t,r){arguments[4][161][0].apply(r,arguments)},{dup:161}],203:[function(e,t,r){(function(r){var n=e("bencode");var i=e("bitfield");var a=e("events").EventEmitter;var o=e("inherits");var s=e("simple-sha1");var f=1e7;var c=1e3;var l=16*1024;t.exports=function(e){o(t,a);function t(t){a.call(this);this._wire=t;this._metadataComplete=false;this._metadataSize=null;this._remainingRejects=null;this._fetching=false;this._bitfield=new i(0,{grow:c});if(r.isBuffer(e)){this.setMetadata(e)}}t.prototype.name="ut_metadata";t.prototype.onHandshake=function(e,t,r){this._infoHash=e;this._infoHashHex=e.toString("hex")};t.prototype.onExtendedHandshake=function(e){if(!e.m||!e.m.ut_metadata){return this.emit("warning",new Error("Peer does not support ut_metadata"))}if(!e.metadata_size){return this.emit("warning",new Error("Peer does not have metadata"))}if(e.metadata_size>f){return this.emit("warning",new Error("Peer gave maliciously large metadata size"))}this._metadataSize=e.metadata_size;this._numPieces=Math.ceil(this._metadataSize/l);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var i=e.toString();var a=i.indexOf("ee")+2;t=n.decode(i.substring(0,a));r=e.slice(a)}catch(o){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,r,t.total_size);break;case 2:this._onReject(t.piece);break}};t.prototype.fetch=function(){if(this._metadataComplete){return}this._fetching=true;if(this._metadataSize){this._requestPieces()}};t.prototype.cancel=function(){this._fetching=false};t.prototype.setMetadata=function(e){if(this._metadataComplete)return true;try{var t=n.decode(e).info;if(t){e=n.encode(t)}}catch(r){}if(this._infoHashHex&&this._infoHashHex!==s.sync(e)){return false}this.cancel();this.metadata=e;this._metadataComplete=true;this._metadataSize=this.metadata.length;this._wire.extendedHandshake.metadata_size=this._metadataSize;this.emit("metadata",n.encode({info:n.decode(this.metadata)}));return true};t.prototype._send=function(e,t){var i=n.encode(e);if(r.isBuffer(t)){i=r.concat([i,t])}this._wire.extended("ut_metadata",i)};t.prototype._request=function(e){this._send({msg_type:0,piece:e})};t.prototype._data=function(e,t,r){var n={msg_type:1,piece:e};if(typeof r==="number"){n.total_size=r}this._send(n,t)};t.prototype._reject=function(e){this._send({msg_type:2,piece:e})};t.prototype._onRequest=function(e){if(!this._metadataComplete){this._reject(e);return}var t=e*l;var r=t+l;if(r>this._metadataSize){r=this._metadataSize}var n=this.metadata.slice(t,r);this._data(e,n,this._metadataSize)};t.prototype._onData=function(e,t,r){if(t.length>l){return}t.copy(this.metadata,e*l);this._bitfield.set(e);this._checkDone()};t.prototype._onReject=function(e){if(this._remainingRejects>0&&this._fetching){this._request(e);this._remainingRejects-=1}else{this.emit("warning",new Error('Peer sent "reject" too much'))}};t.prototype._requestPieces=function(){
-this.metadata=new r(this._metadataSize);for(var e=0;e<this._numPieces;e++){this._request(e)}};t.prototype._checkDone=function(){var e=true;for(var t=0;t<this._numPieces;t++){if(!this._bitfield.get(t)){e=false;break}}if(!e)return;var r=this.setMetadata(this.metadata);if(!r){this._failedMetadata()}};t.prototype._failedMetadata=function(){this._bitfield=new i(0,{grow:c});this._remainingRejects-=this._numPieces;if(this._remainingRejects>0){this._requestPieces()}else{this.emit("warning",new Error("Peer sent invalid metadata"))}};return t}}).call(this,e("buffer").Buffer)},{bencode:204,bitfield:208,buffer:65,events:69,inherits:209,"simple-sha1":210}],204:[function(e,t,r){arguments[4][16][0].apply(r,arguments)},{"./lib/decode":205,"./lib/encode":207,dup:16}],205:[function(e,t,r){arguments[4][17][0].apply(r,arguments)},{"./dict":206,buffer:65,dup:17}],206:[function(e,t,r){arguments[4][18][0].apply(r,arguments)},{dup:18}],207:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{buffer:65,dup:19}],208:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{buffer:65,dup:9}],209:[function(e,t,r){arguments[4][24][0].apply(r,arguments)},{dup:24}],210:[function(e,t,r){arguments[4][135][0].apply(r,arguments)},{dup:135,rusha:211}],211:[function(e,t,r){arguments[4][136][0].apply(r,arguments)},{dup:136}],212:[function(e,t,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],213:[function(e,t,r){t.exports=function n(e,t,r){if(t===undefined){return function(t,r){return n(e,t,r)}}if(r===undefined)r="0";e-=t.toString().length;if(e>0)return new Array(e+(/\./.test(t)?2:1)).join(r)+t;return t+""}},{}],214:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.51.1",author:{name:"Feross Aboukhadijeh",email:"feross@feross.org",url:"http://feross.org/"},bin:{webtorrent:"./bin/cmd.js"},browser:{"./lib/fs-storage":false,"./lib/server":false,"bittorrent-dht/client":false,"load-ip-set":false,ut_pex:false},bugs:{url:"https://github.com/feross/webtorrent/issues"},dependencies:{"addr-to-ip-port":"^1.0.1",bitfield:"^1.0.2","bittorrent-dht":"^3.0.0","bittorrent-swarm":"^5.0.0","block-stream2":"^1.0.0",clivas:"^0.2.0","create-torrent":"^3.4.0",debug:"^2.1.0",dezalgo:"^1.0.1","end-of-stream":"^1.0.0",hat:"0.0.3",inherits:"^2.0.1",inquirer:"^0.8.0","load-ip-set":"^1.0.3",mime:"^1.2.11",minimist:"^1.1.0",mkdirp:"^0.5.0",moment:"^2.8.3",multistream:"^1.4.2","network-address":"^1.0.0",once:"^1.3.1","parse-torrent":"^5.1.0","pretty-bytes":"^2.0.1",pump:"^1.0.0","random-access-file":"^0.3.1","range-parser":"^1.0.2","re-emitter":"^1.0.0",rimraf:"^2.2.5","run-parallel":"^1.0.0","simple-sha1":"^2.0.0",speedometer:"^0.1.2",thunky:"^0.1.0","torrent-discovery":"^3.0.0",uniq:"^1.0.1",ut_metadata:"^2.1.0",ut_pex:"^1.0.1","windows-no-runnable":"0.0.6",xtend:"^4.0.0","zero-fill":"^2.2.0"},devDependencies:{"bittorrent-tracker":"^5.0.0",brfs:"^1.2.0",browserify:"^10.0.0",finalhandler:"^0.3.6","run-auto":"^1.0.0","serve-static":"^1.9.3","simple-get":"^1.0.0",standard:"^4.0.1",tape:"^4.0.0","uglify-js":"^2.4.15",zelda:"^2.0.0",zuul:"^3.0.0"},homepage:"http://webtorrent.io",keywords:["torrent","bittorrent","bittorrent client","streaming","download","webrtc","webrtc data","webtorrent","mad science"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3","chromecast-js":"^0.1.4",nodebmc:"0.0.5"},repository:{type:"git",url:"git://github.com/feross/webtorrent.git"},scripts:{build:"browserify -s WebTorrent -e ./ | uglifyjs -m > webtorrent.min.js","build-debug":"browserify -s WebTorrent -e ./ > webtorrent.debug.js",size:"npm run build && cat webtorrent.min.js | gzip | wc -c",test:"standard && node ./bin/test.js","test-browser":"zuul -- test/basic.js","test-browser-local":"zuul --local -- test/basic.js","test-node":"tape test/*.js"}}},{}],215:[function(e,t,r){(function(r,n,i){t.exports=k;var a=e("create-torrent");var o=e("debug")("webtorrent");var s=e("bittorrent-dht/client");var f=e("events").EventEmitter;var c=e("xtend");var l=e("hat");var u=e("inherits");var d=e("load-ip-set");var p=e("run-parallel");var h=e("parse-torrent");var v=e("speedometer");var m=e("zero-fill");var g=e("path");var _=e("./lib/fs-storage");var w=e("./lib/storage");var b=e("./lib/torrent");u(k,f);var y=e("./package.json").version;var x=y.match(/([0-9]+)/g).slice(0,2).map(m(2)).join("");function k(e){var t=this;if(!(t instanceof k))return new k(e);if(!e)e={};f.call(t);if(!o.enabled)t.setMaxListeners(0);t.destroyed=false;t.torrentPort=e.torrentPort||0;t.tracker=e.tracker!==undefined?e.tracker:true;t._rtcConfig=e.rtcConfig;t._wrtc=e.wrtc||n.WRTC;t.torrents=[];t.downloadSpeed=v();t.uploadSpeed=v();t.storage=typeof e.storage==="function"?e.storage:e.storage!==false&&typeof _==="function"?_:w;t.peerId=e.peerId===undefined?new i("-WW"+x+"-"+l(48),"utf8"):typeof e.peerId==="string"?new i(e.peerId,"hex"):e.peerId;t.peerIdHex=t.peerId.toString("hex");t.nodeId=e.nodeId===undefined?new i(l(160),"hex"):typeof e.nodeId==="string"?new i(e.nodeId,"hex"):e.nodeId;t.nodeIdHex=t.nodeId.toString("hex");if(e.dht!==false&&typeof s==="function"){t.dht=new s(c({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}o("new webtorrent (peerId %s, nodeId %s)",t.peerIdHex,t.nodeIdHex);if(typeof d==="function"){d(e.blocklist,{headers:{"user-agent":"WebTorrent (http://webtorrent.io)"}},function(e,r){if(e)return t.error("failed to load blocklist: "+e.message);t.blocked=r;a()})}else r.nextTick(a);function a(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(k.prototype,"ratio",{get:function(){var e=this;var t=e.torrents.reduce(function(e,t){return e+t.uploaded},0);var r=e.torrents.reduce(function(e,t){return e+t.downloaded},0)||1;return t/r}});k.prototype.get=function(e){var t=this;if(e instanceof b)return e;var r;try{r=h(e)}catch(n){return null}if(!r.infoHash)throw new Error("Invalid torrent identifier");for(var i=0,a=t.torrents.length;i<a;i++){var o=t.torrents[i];if(o.infoHash===r.infoHash)return o}return null};k.prototype.add=k.prototype.download=function(e,t,n){var i=this;if(i.destroyed)throw new Error("client is destroyed");o("add");if(typeof t==="function"){n=t;t={}}if(!t)t={};if(!t.storage)t.storage=i.storage;t.client=i;var a=i.get(e);function s(){o("on torrent");if(typeof n==="function")n(a)}if(a){if(a.ready)r.nextTick(s);else a.on("ready",s)}else{a=new b(e,t);i.torrents.push(a);a.on("error",function(e){i.emit("error",e,a);i.remove(a)});a.on("listening",function(e){i.emit("listening",e,a)});a.on("ready",function(){s();i.emit("torrent",a)})}return a};k.prototype.seed=function(e,t,r){var n=this;if(n.destroyed)throw new Error("client is destroyed");o("seed");if(typeof t==="function"){r=t;t={}}if(!t)t={};t.noVerify=true;t.createdBy="WebTorrent/"+y;if(typeof e==="string"&&!t.path)t.path=g.dirname(e);var i;var s=n.add(undefined,t,function(e){var t=[function(t){e.storage.load(i,t)}];if(n.dht){t.push(function(t){e.on("dhtAnnounce",t)})}p(t,function(t){if(t)return n.emit("error",t);f();n.emit("seed",e)})});a.parseInput(e,t,function(r,o){if(r)return n.emit("error",r);i=o.map(function(e){return e.getStream});a(e,t,function(e,t){if(e)return n.emit("error",e);if(n.destroyed)return;var r=n.get(t);if(r){s.destroy();f();return}else{s._onTorrentId(t)}})});function f(){o("on seed");if(typeof r==="function")r(s)}return s};k.prototype.remove=function(e,t){var r=this;var n=r.get(e);if(!n)throw new Error("No torrent with id "+e);o("remove");r.torrents.splice(r.torrents.indexOf(n),1);n.destroy(t)};k.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}};k.prototype.destroy=function(e){var t=this;t.destroyed=true;o("destroy");var r=t.torrents.map(function(e){return function(r){t.remove(e,r)}});if(t.dht){r.push(function(e){t.dht.destroy(e)})}p(r,e)}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./lib/fs-storage":51,"./lib/storage":6,"./lib/torrent":7,"./package.json":214,_process:77,"bittorrent-dht/client":51,buffer:65,"create-torrent":98,debug:137,events:69,hat:145,inherits:146,"load-ip-set":51,"parse-torrent":153,path:76,"run-parallel":174,speedometer:180,xtend:212,"zero-fill":213}]},{},[215])(215)});
+(function(e){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=e()}else if(typeof define==="function"&&define.amd){define([],e)}else{var t;if(typeof window!=="undefined"){t=window}else if(typeof global!=="undefined"){t=global}else if(typeof self!=="undefined"){t=self}else{t=this}t.WebTorrent=e()}})(function(){var e,t,r;return function n(e,t,r){function i(s,o){if(!t[s]){if(!e[s]){var f=typeof require=="function"&&require;if(!o&&f)return f(s,!0);if(a)return a(s,!0);var l=new Error("Cannot find module '"+s+"'");throw l.code="MODULE_NOT_FOUND",l}var u=t[s]={exports:{}};e[s][0].call(u.exports,function(t){var r=e[s][1][t];return i(r?r:t)},u,u.exports,n,e,t,r)}return t[s].exports}var a=typeof require=="function"&&require;for(var s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,t,r){var i=e("debug")("webtorrent:append-to");var n=e("dezalgo");var a=e("./media-stream");var s=e("path");var o=e("videostream");var f=[".mp4",".m4v",".m4a"];var l=[".mp4",".m4v",".webm"];var u=[".m4a",".mp3"];var c=l.concat(u);var p=[".wav",".aac",".ogg",".oga"];var d=[".jpg",".png",".gif",".bmp"];var h=[".css",".html",".js",".md",".pdf",".txt"];var m=typeof window!=="undefined"&&window.MediaSource;t.exports=function v(e,t,r){r=n(r);var u;var v=s.extname(e.name).toLowerCase();if(t&&(t.nodeName==="VIDEO"||t.nodeName==="AUDIO")){throw new Error("Invalid video/audio node argument. Argument must be root element that "+"video/audio tag will be appended to.")}if(c.indexOf(v)>=0)g();else if(p.indexOf(v)>=0)y();else if(d.indexOf(v)>=0)b();else if(h.indexOf(v)>=0)w();else r(new Error('Unsupported file type "'+v+'": Cannot append to DOM'));function g(){if(!m){return r(new Error("Video/audio streaming is not supported in your browser. You can still share "+"or download "+e.name+" (once it's fully downloaded). Use Chrome for "+"MediaSource support."))}var n=l.indexOf(v)>=0?"video":"audio";if(f.indexOf(v)>=0)s();else c();function s(){i("Use `videostream` package for "+e.name);g();u.addEventListener("error",d);u.addEventListener("playing",_);o(e,u);y()}function c(){i("Use MediaSource API for "+e.name);g();u.addEventListener("error",h);u.addEventListener("playing",_);e.createReadStream().pipe(new a(u,{extname:v}));y()}function p(){i("Use Blob URL for "+e.name);g();u.addEventListener("error",x);u.addEventListener("playing",_);y();e.getBlobURL(function(e,t){if(e)return x(e);u.src=t})}function d(e){i("videostream error: fallback to MediaSource API: %o",e.message||e);u.removeEventListener("error",d);u.removeEventListener("playing",_);c()}function h(e){i("MediaSource API error: fallback to Blob URL: %o",e.message||e);u.removeEventListener("error",h);u.removeEventListener("playing",_);p()}function g(){if(u)u.remove();u=window.elem=document.createElement(n);u.controls=true;u.autoplay=true}function y(){t.appendChild(u);u.play()}}function _(){u.removeEventListener("playing",_);r(null,u)}function y(){u=document.createElement("audio");u.controls=true;u.autoplay=true;t.appendChild(u);e.getBlobURL(function(e,t){if(e)return x(e);u.addEventListener("error",x);u.addEventListener("playing",_);u.src=t;u.play()})}function b(){e.getBlobURL(function(i,n){if(i)return x(i);u=document.createElement("img");u.src=n;u.alt=e.name;t.appendChild(u);r(null)})}function w(){e.getBlobURL(function(e,i){if(e)return x(e);u=document.createElement("iframe");u.src=i;if(v!==".pdf")u.sandbox="allow-forms allow-scripts";t.appendChild(u);r(null)})}function x(t){if(u)u.remove();t.message='Error appending file "'+e.name+'" to DOM: '+t.message;i(t.message);if(r)r(t)}}},{"./media-stream":3,debug:138,dezalgo:141,path:77,videostream:237}],2:[function(e,t,r){t.exports=s;var i=e("debug")("webtorrent:file-stream");var n=e("inherits");var a=e("stream");n(s,a.Readable);function s(e,t){var r=this;if(!(r instanceof s))return new s(e,t);a.Readable.call(r,t);i("new filestream %s",JSON.stringify(t));if(!t)t={};if(!t.start)t.start=0;if(!t.end)t.end=e.length-1;r.destroyed=false;r.length=t.end-t.start+1;var n=t.start+e.offset;var o=t.pieceLength;r.startPiece=n/o|0;r.endPiece=(t.end+e.offset)/o|0;r._storage=e.storage;r._piece=r.startPiece;r._missing=r.length;r._reading=false;r._notifying=false;r._criticalLength=Math.min(1024*1024/o|0,2);r._offset=n-r.startPiece*o}s.prototype._read=function(){var e=this;i("_read");if(e._reading)return;e._reading=true;e.notify()};s.prototype.notify=function(){var e=this;i("notify");if(!e._reading||e._missing===0)return;if(!e._storage.bitfield.get(e._piece)){return e._storage.emit("critical",e._piece,e._piece+e._criticalLength)}if(e._notifying)return;e._notifying=true;var t=e._piece;e._storage.read(e._piece++,function(r,n){e._notifying=false;if(e.destroyed)return;if(r){e._storage.emit("error",r);return e.destroy(r)}i("read %s (length %s) (err %s)",t,n.length,r&&r.message);if(e._offset){n=n.slice(e._offset);e._offset=0}if(e._missing<n.length){n=n.slice(0,e._missing)}e._missing-=n.length;i("pushing buffer of length %s",n.length);e._reading=false;e.push(n);if(e._missing===0)e.push(null)})};s.prototype.destroy=function(){var e=this;if(e.destroyed)return;e.destroyed=true;e._storage.emit("deselect",e.startPiece,e.endPiece,true)}},{debug:138,inherits:147,stream:94}],3:[function(e,t,r){t.exports=o;var i=e("debug")("webtorrent:media-source-stream");var n=e("inherits");var a=e("stream");var s=typeof window!=="undefined"&&window.MediaSource;n(o,a.Writable);function o(e,t){var r=this;if(!(r instanceof o))return new o(e,t);a.Writable.call(r,t);if(!s)throw new Error("web browser lacks MediaSource support");if(!t)t={};i("new MediaSourceStream %s %s",e,JSON.stringify(t));r._elem=e;r._mediaSource=new s;r._sourceBuffer=null;r._cb=null;r._type=t.type||f(t.extname);if(!r._type)throw new Error("missing `opts.type` or `opts.extname` options");r._elem.src=window.URL.createObjectURL(r._mediaSource);r._mediaSource.addEventListener("sourceopen",function(){if(s.isTypeSupported(r._type)){r._sourceBuffer=r._mediaSource.addSourceBuffer(r._type);r._sourceBuffer.addEventListener("updateend",r._flow.bind(r));r._flow()}else{r._mediaSource.endOfStream("decode")}});r.on("finish",function(){i("finish");r._mediaSource.endOfStream()});window.vs=r}o.prototype._write=function(e,t,r){var n=this;if(!n._sourceBuffer){n._cb=function(i){if(i)return r(i);n._write(e,t,r)};return}if(n._sourceBuffer.updating){return r(new Error("Cannot append buffer while source buffer updating"))}n._sourceBuffer.appendBuffer(e);i("appendBuffer %s",e.length);n._cb=r};o.prototype._flow=function(){var e=this;i("flow");if(e._cb){e._cb(null)}};function f(e){if(!e)return null;if(e[0]!==".")e="."+e;return{".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[e]}},{debug:138,inherits:147,stream:94}],4:[function(e,t,r){t.exports={".aac":"audio/aac",".css":"text/css",".html":"text/html",".js":"application/javascript",".m4a":"audio/mp4",".md":"text/x-markdown",".mp3":"audio/mpeg",".mp4":"video/mp4",".oga":"audio/ogg",".ogg":"audio/ogg",".pdf":"application/pdf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm"}},{}],5:[function(e,t,r){t.exports=i;function i(e,t){var r=this;r.swarm=e;r.numPieces=t;function i(e){e.on("have",function(e){r.pieces[e]++});e.on("bitfield",r.recalculate.bind(r));e.on("close",function(){for(var t=0;t<r.numPieces;++t){r.pieces[t]-=e.peerPieces.get(t)}})}r.swarm.wires.forEach(i);r.swarm.on("wire",function(e){r.recalculate();i(e)});r.recalculate()}i.prototype.recalculate=function(){var e=this;e.pieces=[];for(var t=0;t<e.numPieces;++t){e.pieces[t]=0}e.swarm.wires.forEach(function(t){for(var r=0;r<e.numPieces;++r){e.pieces[r]+=t.peerPieces.get(r)}})};i.prototype.getRarestPiece=function(e){var t=this;var r=[];var i=Infinity;e=e||function(){return true};for(var n=0;n<t.numPieces;++n){if(!e(n))continue;var a=t.pieces[n];if(a===i){r.push(n)}else if(a<i){r=[n];i=a}}if(r.length>0){return r[Math.random()*r.length|0]}else{return-1}}},{}],6:[function(e,t,r){var i=e("debug")("webtorrent:server");var n=e("http");var a=e("mime");var s=e("pump");var o=e("range-parser");var f=e("url");t.exports=function l(e,t){var r=n.createServer(t);r.on("connection",function(e){e.setTimeout(36e6)});r.on("request",function(t,r){i("onRequest");if(t.method==="OPTIONS"&&t.headers["access-control-request-headers"]){r.setHeader("Access-Control-Allow-Methods","POST, GET, OPTIONS");r.setHeader("Access-Control-Allow-Headers",t.headers["access-control-request-headers"]);r.setHeader("Access-Control-Max-Age","1728000");return r.end()}if(t.headers.origin){r.setHeader("Access-Control-Allow-Origin",t.headers.origin)}var n=f.parse(t.url).pathname;if(n==="/favicon.ico")return r.end();if(e.ready)l();else e.once("ready",l);function l(){if(n==="/"){r.setHeader("Content-Type","text/html");var f=e.files.map(function(e,t){return'<li><a href="/'+t+'">'+e.name+"</a></li>"}).join("<br>");return r.end("<h1>WebTorrent</h1><ol>"+f+"</ol>")}var l=Number(n.slice(1));if(Number.isNaN(l)||l>=e.files.length){r.statusCode=404;return r.end("404 Not Found")}var u=e.files[l];r.setHeader("Accept-Ranges","bytes");r.setHeader("Content-Type",a.lookup(u.name));r.statusCode=200;r.setHeader("transferMode.dlna.org","Streaming");r.setHeader("contentFeatures.dlna.org","DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000");var c;if(t.headers.range){r.statusCode=206;c=o(u.length,t.headers.range)[0];i("range %s",JSON.stringify(c));r.setHeader("Content-Range","bytes "+c.start+"-"+c.end+"/"+u.length);r.setHeader("Content-Length",c.end-c.start+1)}else{r.setHeader("Content-Length",u.length)}if(t.method==="HEAD")r.end();s(u.createReadStream(c),r)}});return r}},{debug:138,http:71,mime:148,pump:172,"range-parser":173,url:96}],7:[function(e,t,r){(function(i,n){t.exports=r=A;var a=e("./append-to");var s=e("bitfield");var o=e("block-stream2");var f=e("debug")("webtorrent:storage");var l=e("dezalgo");var u=e("end-of-stream");var c=e("events").EventEmitter;var p=e("./file-stream");var d=e("inherits");var h=e("./mime.json");var m=e("multistream");var v=e("once");var g=e("path");var _=e("simple-sha1");var y=16*1024;var b=r.BLOCK_BLANK=0;var w=r.BLOCK_RESERVED=1;var x=r.BLOCK_WRITTEN=2;function k(){}d(S,c);function S(e,t,r,i){var n=this;c.call(n);if(!f.enabled)n.setMaxListeners(0);n.index=e;n.hash=t;n.noVerify=!!i;if(typeof r==="number"){n.buffer=null;n.length=r}else{n.buffer=r;n.length=r.length}n._reset()}S.prototype.readBlock=function(e,t,r){var i=this;r=l(r);if(!i.buffer||!i._verifyOffset(e)){return r(new Error("invalid block offset "+e))}r(null,i.buffer.slice(e,e+t))};S.prototype.writeBlock=function(e,t,r){var i=this;r=l(r);if(!i._verifyOffset(e)||!i._verifyBlock(e,t)){return r(new Error("invalid block "+e+":"+t.length))}i._lazyAllocBuffer();var n=e/y;if(i.blocks[n]===x){return r(null)}t.copy(i.buffer,e);i.blocks[n]=x;i.blocksWritten+=1;if(i.blocksWritten===i.blocks.length){i.verify()}r(null)};S.prototype.reserveBlock=function(e){var t=this;var r=t.blocks.length;for(var i=0;i<r;i++){if(t.blocks[i]&&!e||t.blocks[i]===x){continue}t.blocks[i]=w;return{offset:i*y,length:i===r-1?t.length-i*y:y}}return null};S.prototype.cancelBlock=function(e){var t=this;if(!t._verifyOffset(e)){return false}var r=e/y;if(t.blocks[r]===w){t.blocks[r]=b}return true};S.prototype._reset=function(){var e=this;e.verified=false;e.blocks=new n(Math.ceil(e.length/y));if(!i.browser)e.blocks.fill(0);e.blocksWritten=0};S.prototype.verify=function(e){var t=this;if(!e)e=t.buffer;if(t.verified||!e){return}if(t.noVerify){t.verified=true;r();return}_(e,function(e){t.verified=e===t.hash;r()});function r(){if(t.verified){t.emit("done")}else{t.emit("warning",new Error("piece "+t.index+" failed verification"));t._reset()}}};S.prototype._verifyOffset=function(e){var t=this;if(e%y===0){return true}else{t.emit("warning",new Error("invalid block offset "+e+", not multiple of "+y));return false}};S.prototype._verifyBlock=function(e,t){var r=this;if(t.length===y){return true}else if(t.length===r.length-e&&r.length-e<y){return true}else{r.emit("warning",new Error("invalid block size "+t.length));return false}};S.prototype._lazyAllocBuffer=function(){var e=this;if(!e.buffer)e.buffer=new n(e.length)};d(E,c);function E(e,t,r,i){var n=this;c.call(n);if(!f.enabled)n.setMaxListeners(0);n.storage=e;n.name=t.name;n.path=t.path;n.length=t.length;n.offset=t.offset;n.pieces=r;n.pieceLength=i;n.done=false;n._blobUrl=null;n._blobUrlPending=false;n.pieces.forEach(function(e){e.on("done",function(){n._checkDone()})});n._checkDone()}E.prototype.select=function(){var e=this;if(e.pieces.length>0){var t=e.pieces[0].index;var r=e.pieces[e.pieces.length-1].index;e.storage.emit("select",t,r,false)}};E.prototype.deselect=function(){var e=this;if(e.pieces.length>0){var t=e.pieces[0].index;var r=e.pieces[e.pieces.length-1].index;e.storage.emit("deselect",t,r,false)}};E.prototype.createReadStream=function(e){var t=this;if(!e)e={};if(e.pieceLength==null)e.pieceLength=t.pieceLength;var r=new p(t,e);t.storage.emit("select",r.startPiece,r.endPiece,true,r.notify.bind(r));u(r,function(){t.storage.emit("deselect",r.startPiece,r.endPiece,true)});return r};E.prototype.getBuffer=function(e){var t=this;e=l(v(e));var r;if(t.storage.buffer){var i=function(){r=t.storage.buffer.slice(t.offset,t.offset+t.length);e(null,r)};if(t.done)i();else t.once("done",i)}else{r=new n(t.length);var a=0;t.createReadStream().on("data",function(e){e.copy(r,a);a+=e.length}).on("end",function(){e(null,r)}).on("error",e)}};E.prototype.appendTo=function(e,t){var r=this;if(typeof window==="undefined")throw new Error("browser-only method");if(typeof e==="string")e=document.querySelector(e);a(r,e,t)};E.prototype.getBlobURL=function(e){var t=this;if(typeof window==="undefined")throw new Error("browser-only method");e=l(e);if(t._blobUrl)return e(null,t._blobUrl);if(t._blobUrlPending)return t.once("_blobUrl",e);t._blobUrlPending=true;t.getBuffer(function(r,i){t._blobUrlPending=false;if(r){e(r);t.emit("_blobUrl",r);return}var n=h[g.extname(t.name).toLowerCase()];var a=n?new window.Blob([i],{type:n}):new window.Blob([i]);t._blobUrl=window.URL.createObjectURL(a);e(null,t._blobUrl);t.emit("_blobUrl",null,t._blobUrl)})};E.prototype._checkDone=function(){var e=this;e.done=e.pieces.every(function(e){return e.verified});if(e.done){i.nextTick(function(){e.emit("done")})}};d(A,c);function A(e,t){var r=this;c.call(r);if(!f.enabled)r.setMaxListeners(0);if(!t)t={};r.bitfield=new s(e.pieces.length);r.done=false;r.closed=false;r.readonly=true;if(!t.nobuffer){r.buffer=new n(e.length)}var i=r.pieceLength=e.pieceLength;var a=e.lastPieceLength;var o=e.pieces.length;r.pieces=e.pieces.map(function(e,n){var s=n*i;var f=s+(n===o-1?a:i);var l=r.buffer?r.buffer.slice(s,f):f-s;var u=new S(n,e,l,!!t.noVerify);u.on("done",r._onPieceDone.bind(r,u));return u});r.files=e.files.map(function(e){var t=e.offset;var n=t+e.length-1;var a=t/i|0;var s=n/i|0;var o=r.pieces.slice(a,s+1);var f=new E(r,e,o,i);f.on("done",r._onFileDone.bind(r,f));return f})}A.BLOCK_LENGTH=y;A.prototype.load=function(e,t){var r=this;if(!Array.isArray(e))e=[e];t=v(t||function(){});var i=0;var n=new m(e);var a=new o(r.pieceLength,{zeroPadding:false});n.on("error",f);r.once("done",l);n.pipe(a).on("data",s).on("error",f);function s(e){var t=i;i+=1;var n=0;var a=new o(y,{zeroPadding:false});a.on("data",s);a.on("end",f);function s(e){var i=n*y;n+=1;r.writeBlock(t,i,e)}function f(){l()}function l(){a.removeListener("data",s);a.removeListener("end",f)}a.end(e)}function f(e){u();t(e)}function l(){u();t(null)}function u(){n.removeListener("error",f);a.removeListener("data",s);a.removeListener("error",f);r.removeListener("done",l)}};Object.defineProperty(A.prototype,"downloaded",{get:function(){var e=this;return e.pieces.reduce(function(e,t){return e+(t.verified?t.length:t.blocksWritten*y)},0)}});Object.defineProperty(A.prototype,"numMissing",{get:function(){var e=this;var t=e.pieces.length;for(var r=0,i=e.pieces.length;r<i;r++){t-=e.bitfield.get(r)}return t}});A.prototype.readBlock=function(e,t,r,i){var n=this;i=l(i);var a=n.pieces[e];if(!a)return i(new Error("invalid piece index "+e));a.readBlock(t,r,i)};A.prototype.writeBlock=function(e,t,r,i){var n=this;if(!i)i=k;i=l(i);if(n.readonly)return i(new Error("cannot write to readonly storage"));var a=n.pieces[e];if(!a)return i(new Error("invalid piece index "+e));a.writeBlock(t,r,i)};A.prototype.read=function(e,t,r,i){var a=this;if(typeof t==="function"){i=r;r=t;t=null}r=l(r);var s=a.pieces[e];if(!s){return r(new Error("invalid piece index "+e))}if(!s.verified&&!i){return r(new Error("Storage.read called on incomplete piece "+e))}var o=0;var f=s.length;if(t){o=t.offset||0;f=t.length||f}if(s.buffer){return r(null,s.buffer.slice(o,o+f))}var u=[];function c(){if(f<=0)return r(null,n.concat(u));var t=o;var i=Math.min(y,f);o+=i;f-=i;a.readBlock(e,t,i,function(e,t){if(e)return r(e);u.push(t);c()})}c()};A.prototype.reserveBlock=function(e,t){var r=this;var i=r.pieces[e];if(!i)return null;return i.reserveBlock(t)};A.prototype.cancelBlock=function(e,t){var r=this;var i=r.pieces[e];if(!i)return false;return i.cancelBlock(t)};A.prototype.remove=function(e){if(e)l(e)(null)};A.prototype.close=function(e){var t=this;t.closed=true;if(e)l(e)(null)};A.prototype._onPieceDone=function(e){var t=this;t.bitfield.set(e.index);f("piece done "+e.index+" ("+t.numMissing+" still missing)");t.emit("piece",e)};A.prototype._onFileDone=function(e){var t=this;f("file done "+e.name);t.emit("file",e);t._checkDone()};A.prototype._checkDone=function(){var e=this;if(!e.done&&e.files.every(function(e){return e.done})){e.done=true;e.emit("done")}}}).call(this,e("_process"),e("buffer").Buffer)},{"./append-to":1,"./file-stream":2,"./mime.json":4,_process:78,bitfield:10,"block-stream2":39,buffer:66,debug:138,dezalgo:141,"end-of-stream":145,events:70,inherits:147,multistream:150,once:153,path:77,"simple-sha1":179}],8:[function(e,t,r){(function(r,i){t.exports=U;var n=e("addr-to-ip-port");var a=e("create-torrent");var s=e("debug")("webtorrent:torrent");var o=e("torrent-discovery");var f=e("events").EventEmitter;var l=e("inherits");var u=e("run-parallel");var c=e("parse-torrent");var p=e("re-emitter");var d=e("bittorrent-swarm");var h=e("uniq");var m=e("ut_metadata");var v=e("ut_pex");var g=e("./rarity-map");var _=e("./server");var y=e("./storage");var b=128*1024;var w=3e4;var x=5e3;var k=3*y.BLOCK_LENGTH;var S=.5;var E=1;var A=1e4;var T=2;function I(){}l(U,f);function U(e,t){var r=this;f.call(r);if(!s.enabled)r.setMaxListeners(0);s("new torrent");r.opts=t;r.client=t.client;r.hotswapEnabled="hotswap"in t?t.hotswap:true;r.verify=t.verify;r.chokeTimeout=t.chokeTimeout||x;r.pieceTimeout=t.pieceTimeout||w;r.strategy=t.strategy||"sequential";r._rechokeNumSlots=t.uploads===false||t.uploads===0?0:+t.uploads||10;r._rechokeOptimisticWire=null;r._rechokeOptimisticTime=0;r._rechokeIntervalId=null;r.ready=false;r.destroyed=false;r.files=[];r.metadata=null;r.parsedTorrent=null;r.storage=null;r.numBlockedPeers=0;r._amInterested=false;r._selections=[];r._critical=[];r._storageImpl=t.storage||y;this._torrentFileURL=null;if(e)r._onTorrentId(e)}Object.defineProperty(U.prototype,"length",{get:function(){return this.parsedTorrent&&this.parsedTorrent.length||0}});Object.defineProperty(U.prototype,"timeRemaining",{get:function(){if(this.swarm.downloadSpeed()===0)return Infinity;else return(this.length-this.downloaded)/this.swarm.downloadSpeed()*1e3}});Object.defineProperty(U.prototype,"progress",{get:function(){return this.parsedTorrent&&this.downloaded/this.parsedTorrent.length||0}});Object.defineProperty(U.prototype,"downloaded",{get:function(){return this.storage&&this.storage.downloaded||0}});Object.defineProperty(U.prototype,"uploaded",{get:function(){return this.swarm.uploaded}});Object.defineProperty(U.prototype,"ratio",{get:function(){return this.uploaded&&this.downloaded/this.uploaded||0}});Object.defineProperty(U.prototype,"magnetURI",{get:function(){return c.toMagnetURI(this.parsedTorrent)}});Object.defineProperty(U.prototype,"torrentFile",{get:function(){return c.toTorrentFile(this.parsedTorrent)}});Object.defineProperty(U.prototype,"torrentFileURL",{get:function(){if(typeof window==="undefined")throw new Error("browser-only property");if(this._torrentFileURL)return this._torrentFileURL;this._torrentFileURL=window.URL.createObjectURL(new window.Blob([this.torrentFile],{type:"application/x-bittorrent"}));return this._torrentFileURL}});U.prototype._onTorrentId=function(e){var t=this;if(t.destroyed)return;var r=e&&e.parsedTorrent;if(r){t._onParsedTorrent(r)}else{c.remote(e,function(e,r){if(t.destroyed)return;if(e)return t._onError(e);t._onParsedTorrent(r)})}};U.prototype._onParsedTorrent=function(e){var t=this;if(t.destroyed)return;t.parsedTorrent=e;t.infoHash=e.infoHash;if(!t.infoHash){return t._onError(new Error("Malformed torrent data: Missing info hash."))}if(t.parsedTorrent.name)t.name=t.parsedTorrent.name;if(t.opts.announce){t.parsedTorrent.announce=t.parsedTorrent.announce.concat(t.opts.announce)}if(i.WEBTORRENT_ANNOUNCE){t.parsedTorrent.announce=t.parsedTorrent.announce.concat(i.WEBTORRENT_ANNOUNCE)}if(t.parsedTorrent.announce.length===0){t.parsedTorrent.announce=a.announceList.map(function(e){return e[0]})}h(t.parsedTorrent.announce);t.swarm=new d(t.infoHash,t.client.peerId,{handshake:{dht:!!t.client.dht}});t.swarm.on("error",t._onError.bind(t));p(t.swarm,t,["warning"]);t.swarm.on("wire",t._onWire.bind(t));t.swarm.on("download",t.client.downloadSpeed.bind(t.client));t.swarm.on("upload",t.client.uploadSpeed.bind(t.client));t.swarm.listen(t.client.torrentPort,t._onSwarmListening.bind(t));if(t.parsedTorrent.urlList){t.parsedTorrent.urlList.forEach(t.addWebSeed.bind(t))}r.nextTick(function(){if(t.destroyed)return;t.emit("infoHash",t.infoHash)})};U.prototype._onSwarmListening=function(){var e=this;if(e.destroyed)return;if(e.swarm.server)e.client.torrentPort=e.swarm.address().port;e.discovery=new o({announce:e.parsedTorrent.announce,dht:e.client.dht,tracker:e.client.tracker,peerId:e.client.peerId,port:e.client.torrentPort,rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc});e.discovery.on("error",e._onError.bind(e));e.discovery.setTorrent(e.infoHash);e.discovery.on("peer",e.addPeer.bind(e));p(e.discovery,e,["dhtAnnounce","warning"]);if(e.parsedTorrent.info)e._onMetadata(e.parsedTorrent);e.emit("listening",e.client.torrentPort)};U.prototype._onMetadata=function(e){var t=this;if(t.metadata||t.destroyed)return;s("got metadata");if(e&&e.infoHash){t.metadata=c.toTorrentFile(e);t.parsedTorrent=e}else{t.metadata=e;var i=t.parsedTorrent.announce;try{t.parsedTorrent=c(t.metadata)}catch(n){return t._onError(n)}t.parsedTorrent.announce=i}t.name=t.parsedTorrent.name;t.discovery.setTorrent(t.parsedTorrent);t.rarityMap=new g(t.swarm,t.parsedTorrent.pieces.length);t.storage=new t._storageImpl(t.parsedTorrent,t.opts);t.storage.on("piece",t._onStoragePiece.bind(t));t.storage.on("file",function(e){t.emit("file",e)});t._reservations=t.storage.pieces.map(function(){return[]});t.storage.on("done",function(){if(t.discovery.tracker)t.discovery.tracker.complete();s("torrent "+t.infoHash+" done");t.emit("done")});t.storage.on("select",t.select.bind(t));t.storage.on("deselect",t.deselect.bind(t));t.storage.on("critical",t.critical.bind(t));t.storage.files.forEach(function(e){t.files.push(e)});t.swarm.wires.forEach(function(e){if(e.ut_metadata)e.ut_metadata.setMetadata(t.metadata);t._onWireWithMetadata(e)});if(t.verify){r.nextTick(function(){s("verifying existing torrent data");var e=0;var r=0;u(t.storage.pieces.map(function(i){return function(n){t.storage.read(i.index,function(a,o){e+=1;t.emit("verifying",{percentDone:100*e/t.storage.pieces.length,percentVerified:100*r/t.storage.pieces.length});if(!a&&o){i.verify(o);r+=i.verified;s("piece "+(i.verified?"verified":"invalid")+" "+i.index)}n()},true)}}),t._onStorage.bind(t))})}else{r.nextTick(t._onStorage.bind(t))}r.nextTick(function(){t.emit("metadata")})};U.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;s("destroy");if(t._rechokeIntervalId){clearInterval(t._rechokeIntervalId);t._rechokeIntervalId=null}if(t._torrentFileURL)window.URL.revokeObjectURL(t._torrentFileURL);var r=[];if(t.swarm)r.push(function(e){t.swarm.destroy(e)});if(t.discovery)r.push(function(e){t.discovery.stop(e)});if(t.storage)r.push(function(e){t.storage.close(e)});u(r,e)};U.prototype.addPeer=function(e){var t=this;function r(){t.emit("peer",e);t.swarm.addPeer(e)}if(typeof e==="string"&&t.client.blocked&&t.client.blocked.contains(n(e)[0])){t.numBlockedPeers+=1;t.emit("blockedPeer",e);return false}else{if(t.swarm)r();else t.on("listening",r);return true}};U.prototype.addWebSeed=function(e){var t=this;t.swarm.addWebSeed(e,t.parsedTorrent)};U.prototype.select=function(e,t,r,i){var n=this;if(e>t||e<0||t>=n.storage.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;s("select %s-%s (priority %s)",e,t,r);n._selections.push({from:e,to:t,offset:0,priority:r,notify:i||I});n._selections.sort(function(e,t){return t.priority-e.priority});n._updateSelections()};U.prototype.deselect=function(e,t,r){var i=this;r=Number(r)||0;s("deselect %s-%s (priority %s)",e,t,r);for(var n=0;n<i._selections.length;++n){var a=i._selections[n];if(a.from===e&&a.to===t&&a.priority===r){i._selections.splice(n--,1);break}}i._updateSelections()};U.prototype.critical=function(e,t){var r=this;s("critical %s-%s",e,t);for(var i=e;i<=t;++i){r._critical[i]=true}r._updateSelections()};U.prototype._onWire=function(e,t){var r=this;s("got wire (%s)",t||"Unknown");if(t){var i=n(t);e.remoteAddress=i[0];e.remotePort=i[1]}if(e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening){e.on("port",function(t){if(!e.remoteAddress){s("ignoring port from peer with no address");return}s("port: %s (from %s)",t,e.remoteAddress+":"+e.remotePort);r.client.dht.addNode(e.remoteAddress+":"+t)});e.port(r.client.dht.address().port)}e.on("timeout",function(){s("wire timeout (%s)",t);e.destroy()});e.setTimeout(r.pieceTimeout,true);e.setKeepAlive(true);e.use(m(r.metadata));if(!r.metadata){e.ut_metadata.on("metadata",function(e){s("got metadata via ut_metadata");r._onMetadata(e)});e.ut_metadata.fetch()}if(typeof v==="function"){e.use(v());e.ut_pex.on("peer",function(e){s("ut_pex: got peer: %s (from %s)",e,t);r.addPeer(e)});e.ut_pex.on("dropped",function(e){s("ut_pex: dropped peer: %s (from %s)",e,t);var i=r.swarm._peers[e];if(!i||!i.conn)r.swarm.removePeer(e)})}r.emit("wire",e);if(r.metadata){r._onWireWithMetadata(e)}};U.prototype._onWireWithMetadata=function(e){var t=this;var r=null;var i=t.chokeTimeout;function n(){if(t.destroyed||e.destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(n,i);if(r.unref)r.unref()}}var a=0;function o(){if(e.peerPieces.length!==t.storage.pieces.length)return;for(;a<t.storage.pieces.length;++a){if(!e.peerPieces.get(a))return}e.isSeeder=true;e.choke()}e.on("bitfield",function(){o();t._update()});e.on("have",function(){o();t._update()});e.once("interested",function(){e.unchoke()});e.on("close",function(){clearTimeout(r)});e.on("choke",function(){clearTimeout(r);r=setTimeout(n,i);if(r.unref)r.unref()});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,i,n,a){if(n>b){s("got invalid block size request %s (from %s)",n,e.remoteAddress+":"+e.remotePort);return e.destroy()}t.storage.readBlock(r,i,n,a)});e.bitfield(t.storage.bitfield);e.interested();r=setTimeout(n,i);if(r.unref)r.unref();e.isSeeder=false;o()};U.prototype._onStorage=function(){var e=this;if(e.destroyed)return;s("on storage");e.storage.readonly=false;e.select(0,e.storage.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),A);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();r.nextTick(function(){e.ready=true;e.emit("ready")})};U.prototype._onStoragePiece=function(e){var t=this;s("piece done %s",e.index);t._reservations[e.index]=null;t.swarm.wires.forEach(function(t){t.have(e.index)});t._gcSelections()};U.prototype._updateSelections=function(){var e=this;if(!e.swarm||e.destroyed)return;if(!e.metadata)return e.once("metadata",e._updateSelections.bind(e));r.nextTick(e._gcSelections.bind(e));e._updateInterest();e._update()};U.prototype._gcSelections=function(){var e=this;for(var t=0;t<e._selections.length;t++){var r=e._selections[t];var i=r.offset;while(e.storage.bitfield.get(r.from+r.offset)&&r.from+r.offset<r.to){r.offset++}if(i!==r.offset)r.notify();if(r.to!==r.from+r.offset)continue;if(!e.storage.bitfield.get(r.from+r.offset))continue;e._selections.splice(t--,1);r.notify();e._updateInterest()}if(!e._selections.length)e.emit("idle")};U.prototype._updateInterest=function(){var e=this;var t=e._amInterested;e._amInterested=!!e._selections.length;e.swarm.wires.forEach(function(t){if(e._amInterested)t.interested();else t.uninterested()});if(t===e._amInterested)return;if(e._amInterested)e.emit("interested");else e.emit("uninterested")};U.prototype._update=function(){var e=this;if(e.destroyed)return;z(e.swarm.wires,e._updateWire.bind(e))};U.prototype._updateWire=function(e){var t=this;if(e.peerChoking)return;if(!e.downloaded)return a();var r=L(e,S);if(e.requests.length>=r)return;var i=L(e,E);f(false)||f(true);function n(t,r,i,n){return function(a){return a>=t&&a<=r&&!(a in i)&&e.peerPieces.get(a)&&(!n||n(a))}}function a(){if(e.requests.length)return;for(var r=t._selections.length;r--;){var i=t._selections[r];var a;if(t.strategy==="rarest"){var s=i.from+i.offset;var o=i.to;var f=o-s+1;var l={};var u=0;var c=n(s,o,l);while(u<f){a=t.rarityMap.getRarestPiece(c);if(a<0)break;if(t._request(e,a,false))return;l[a]=true;u+=1}}else{for(a=i.to;a>=i.from+i.offset;--a){if(!e.peerPieces.get(a))continue;if(t._request(e,a,false))return}}}}function s(){var r=e.downloadSpeed()||1;if(r>k)return function(){return true};var i=Math.max(1,e.requests.length)*y.BLOCK_LENGTH/r;var n=10;var a=0;return function(e){if(!n||t.storage.bitfield.get(e))return true;var s=t.storage.pieces[e];var o=s.blocks.length-s.blocksWritten;for(;a<t.swarm.wires.length;a++){var f=t.swarm.wires[a];var l=f.downloadSpeed();if(l<k)continue;if(l<=r)continue;if(!f.peerPieces.get(e))continue;if((o-=l*i)>0)continue;n--;return false}return true}}function o(e){var r=e;for(var i=e;i<t._selections.length&&t._selections[i].priority;i++){r=i}var n=t._selections[e];t._selections[e]=t._selections[r];t._selections[r]=n}function f(r){if(e.requests.length>=i)return true;var a=s();for(var f=0;f<t._selections.length;f++){var l=t._selections[f];var u;if(t.strategy==="rarest"){var c=l.from+l.offset;var p=l.to;var d=p-c+1;var h={};var m=0;var v=n(c,p,h,a);while(m<d){u=t.rarityMap.getRarestPiece(v);if(u<0)break;while(t._request(e,u,t._critical[u]||r)){}if(e.requests.length<i){h[u]=true;m++;continue}if(l.priority)o(f);return true}}else{for(u=l.from+l.offset;u<=l.to;u++){if(!e.peerPieces.get(u)||!a(u))continue;while(t._request(e,u,t._critical[u]||r)){}if(e.requests.length<i)continue;if(l.priority)o(f);return true}}}return false}};U.prototype._rechoke=function(){var e=this;if(e._rechokeOptimisticTime>0)e._rechokeOptimisticTime-=1;else e._rechokeOptimisticWire=null;var t=[];e.swarm.wires.forEach(function(r){if(!r.isSeeder&&r!==e._rechokeOptimisticWire){t.push({wire:r,downloadSpeed:r.downloadSpeed(),uploadSpeed:r.uploadSpeed(),salt:Math.random(),isChoked:true})}});t.sort(s);var r=0;var i=0;for(;i<t.length&&r<e._rechokeNumSlots;++i){t[i].isChoked=false;if(t[i].wire.peerInterested)r+=1}if(!e._rechokeOptimisticWire&&i<t.length&&e._rechokeNumSlots){var n=t.slice(i).filter(function(e){return e.wire.peerInterested});var a=n[B(n.length)];if(a){a.isChoked=false;e._rechokeOptimisticWire=a.wire;e._rechokeOptimisticTime=T}}t.forEach(function(e){if(e.wire.amChoking!==e.isChoked){if(e.isChoked)e.wire.choke();else e.wire.unchoke()}});function s(e,t){if(e.downloadSpeed!==t.downloadSpeed){return t.downloadSpeed-e.downloadSpeed;
+}if(e.uploadSpeed!==t.uploadSpeed){return t.uploadSpeed-e.uploadSpeed}if(e.wire.amChoking!==t.wire.amChoking){return e.wire.amChoking?1:-1}return e.salt-t.salt}};U.prototype._hotswap=function(e,t){var r=this;if(!r.hotswapEnabled)return false;var i=e.downloadSpeed();if(i<y.BLOCK_LENGTH)return false;if(!r._reservations[t])return false;var n=r._reservations[t];if(!n){return false}var a=Infinity;var s;var o;for(o=0;o<n.length;o++){var f=n[o];if(!f||f===e)continue;var l=f.downloadSpeed();if(l>=k)continue;if(2*l>i||l>a)continue;s=f;a=l}if(!s)return false;for(o=0;o<n.length;o++){if(n[o]===s)n[o]=null}for(o=0;o<s.requests.length;o++){var u=s.requests[o];if(u.piece!==t)continue;r.storage.cancelBlock(t,u.offset)}r.emit("hotswap",s,e,t);return true};U.prototype._request=function(e,t,i){var n=this;var a=e.requests.length;if(n.storage.bitfield.get(t))return false;var o=L(e,E);if(a>=o)return false;var f=e.requests.length===0&&n.storage.numMissing<30;var l=n.storage.reserveBlock(t,f);if(!l&&!f&&i&&n._hotswap(e,t)){l=n.storage.reserveBlock(t,false)}if(!l)return false;var u=n._reservations[t];if(!u){u=n._reservations[t]=[]}var c=u.indexOf(null);if(c===-1)c=u.length;u[c]=e;function p(i,a){if(!n.ready){n.once("ready",function(){p(i,a)});return}if(u[c]===e)u[c]=null;if(i){s("error getting piece %s (offset: %s length: %s) from %s: %s",t,l.offset,l.length,e.remoteAddress+":"+e.remotePort,i.message);n.storage.cancelBlock(t,l.offset);r.nextTick(n._update.bind(n));return false}else{s("got piece %s (offset: %s length: %s) from %s",t,l.offset,l.length,e.remoteAddress+":"+e.remotePort);n.storage.writeBlock(t,l.offset,a,function(e){if(e){s("error writing block");n.storage.cancelBlock(t,l.offset)}r.nextTick(n._update.bind(n))})}}e.request(t,l.offset,l.length,p);return true};U.prototype.createServer=function(e){var t=this;if(typeof _==="function"){return new _(t,e)}};U.prototype._onError=function(e){var t=this;s("torrent error: %s",e.message||e);t.emit("error",e);t.destroy()};function L(e,t){return Math.ceil(2+t*e.downloadSpeed()/y.BLOCK_LENGTH)}function B(e){return Math.random()*e|0}function z(e,t){var r=e.map(function(e,t){return t});for(var i=r.length-1;i>0;--i){var n=B(i+1);var a=r[i];r[i]=r[n];r[n]=a}r.forEach(function(r){t(e[r],r,e)})}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./rarity-map":5,"./server":6,"./storage":7,_process:78,"addr-to-ip-port":9,"bittorrent-swarm":11,"create-torrent":99,debug:138,events:70,inherits:147,"parse-torrent":154,"re-emitter":174,"run-parallel":175,"torrent-discovery":182,uniq:221,ut_metadata:222,ut_pex:52}],9:[function(e,t,r){var i=/^\[?([^\]]+)\]?:(\d+)$/;var n={};var a=0;t.exports=function s(e){if(a===1e5)n={};if(!n[e]){var t=i.exec(e);if(!t)throw new Error("invalid addr: "+e);n[e]=[t[1],Number(t[2])];a+=1}return n[e]};t.exports.reset=function o(){n={}}},{}],10:[function(e,t,r){(function(e){var r=typeof e!=="undefined"?e:typeof Int8Array!=="undefined"?Int8Array:function(e){var t=new Array(e);for(var r=0;r<e;r++)t[r]=0};function i(e,t){if(!(this instanceof i)){return new i(e,t)}if(arguments.length===0){e=0}this.grow=t&&(isFinite(t.grow)&&n(t.grow)||t.grow)||0;if(typeof e==="number"||e===undefined){e=new r(n(e));if(e.fill)e.fill(0)}this.buffer=e}function n(e){var t=e>>3;if(e%8!==0)t++;return t}i.prototype.get=function(e){var t=e>>3;return t<this.buffer.length&&!!(this.buffer[t]&128>>e%8)};i.prototype.set=function(e,t){var r=e>>3;if(t||arguments.length===1){if(this.buffer.length<r+1)this._grow(Math.max(r+1,Math.min(2*this.buffer.length,this.grow)));this.buffer[r]|=128>>e%8}else if(r<this.buffer.length){this.buffer[r]&=~(128>>e%8)}};i.prototype._grow=function(e){if(this.buffer.length<e&&e<=this.grow){var t=new r(e);if(t.fill)t.fill(0);if(this.buffer.copy)this.buffer.copy(t,0);else{for(var i=0;i<this.buffer.length;i++){t[i]=this.buffer[i]}}this.buffer=t}};if(typeof t!=="undefined")t.exports=i}).call(this,e("buffer").Buffer)},{buffer:66}],11:[function(e,t,r){(function(r,i){t.exports=m;var n=e("addr-to-ip-port");var a=e("debug")("bittorrent-swarm");var s=e("dezalgo");var o=e("events").EventEmitter;var f=e("inherits");var l=e("net");var u=e("./lib/peer");var c=e("speedometer");var p=e("./lib/tcp-pool");var d=55;var h=[1e3,5e3,15e3];f(m,o);function m(e,t,r){var n=this;if(!(n instanceof m))return new m(e,t,r);o.call(n);n.infoHash=typeof e==="string"?new i(e,"hex"):e;n.infoHashHex=n.infoHash.toString("hex");n.peerId=typeof t==="string"?new i(t,"hex"):t;n.peerIdHex=n.peerId.toString("hex");if(!r)r={};a("new swarm (i %s p %s)",n.infoHashHex,n.peerIdHex);n.handshakeOpts=r.handshake;n.maxConns=r.maxConns!==undefined?r.maxConns:d;n.destroyed=false;n.listening=false;n.paused=false;n.server=null;n.wires=[];n._queue=[];n._peers={};n._peersLength=0;n._port=0;n.downloaded=0;n.uploaded=0;n.downloadSpeed=c();n.uploadSpeed=c()}Object.defineProperty(m.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}});Object.defineProperty(m.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}});Object.defineProperty(m.prototype,"numConns",{get:function(){var e=this;var t=0;for(var r in e._peers){var i=e._peers[r];if(i&&i.conn)t+=1}return t}});Object.defineProperty(m.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}});m.prototype.addPeer=function(e){var t=this;if(t.destroyed){if(e&&e.destroy)e.destroy(new Error("swarm already destroyed"));return}if(typeof e==="string"&&!t._validAddr(e)){a("ignoring invalid peer %s (from swarm.addPeer)",e);return}var r=e&&e.id||e;if(t._peers[r])return;a("addPeer %s",r);var i;if(typeof e==="string"){i=u.createOutgoingTCPPeer(e,t);t._queue.push(i);t._drain()}else{i=u.createWebRTCPeer(e,t)}t._peers[i.id]=i;t._peersLength+=1};m.prototype.addWebSeed=function(e,t){var r=this;if(r.destroyed)return;if(!/^https?:\/\/.+/.test(e)){a("ignoring invalid web seed %s (from swarm.addWebSeed)",e);return}if(r._peers[e])return;a("addWebSeed %s",e);r._peers[e]=u.createWebPeer(e,t,r);r._peersLength+=1};m.prototype._addIncomingPeer=function(e){var t=this;if(t.destroyed)return e.destroy(new Error("swarm already destroyed"));if(t.paused)return e.destroy(new Error("swarm paused"));if(!t._validAddr(e.addr)){return e.destroy(new Error("invalid addr "+e.addr+" (from incoming)"))}a("_addIncomingPeer %s",e.id);t._peers[e.id]=e;t._peersLength+=1};m.prototype.removePeer=function(e){var t=this;var r=t._peers[e];if(!r)return;a("removePeer %s",e);t._peers[e]=null;t._peersLength-=1;r.destroy()};m.prototype.pause=function(){var e=this;if(e.destroyed)return;a("pause");e.paused=true};m.prototype.resume=function(){var e=this;if(e.destroyed)return;a("resume");e.paused=false;e._drain()};m.prototype.listen=function(e,t,i){var n=this;if(typeof t==="function"){i=t;t=undefined}if(i)i=s(i);if(n.listening)throw new Error("swarm already listening");if(r.browser){i()}else{n._port=e||p.getDefaultListenPort(n.infoHashHex);n._hostname=t;if(i)n.once("listening",i);a("listen %s",e);var o=p.addSwarm(n);n.server=o.server}};m.prototype._onListening=function(e){var t=this;t._port=e;t.listening=true;t.emit("listening")};m.prototype.address=function(){var e=this;return e.server.address()};m.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.listening=false;t.paused=false;if(e)t.once("close",e);a("destroy");for(var r in t._peers){t.removePeer(r)}p.removeSwarm(t,function(){t.emit("close")})};m.prototype._drain=function(){var e=this;a("_drain numConns %s maxConns %s",e.numConns,e.maxConns);if(typeof l.connect!=="function"||e.destroyed||e.paused||e.numConns>=e.maxConns){return}a("drain (%s queued, %s/%s peers)",e.numQueued,e.numPeers,e.maxConns);var t=e._queue.shift();if(!t)return;a("tcp connect attempt to %s",t.addr);var r=n(t.addr);var i=r[0];var s=r[1];var o=t.conn=l.connect({host:i,port:s,localAddress:e._hostname});o.once("connect",function(){t.onConnect()});o.once("error",function(e){t.destroy(e)});t.setConnectTimeout();o.on("close",function(){if(e.destroyed)return;if(t.retries>=h.length){a("conn %s closed: will not re-add (max %s attempts)",t.addr,h.length);return}function r(){var r=u.createOutgoingTCPPeer(t.addr,e);r.retries=t.retries+1;e._queue.push(r);e._drain()}var i=h[t.retries];a("conn %s closed: will re-add to queue in %sms (attempt %s)",t.addr,i,t.retries+1);var n=setTimeout(r,i);if(n.unref)n.unref()})};m.prototype._onError=function(e){var t=this;t.emit("error",e);t.destroy()};m.prototype._validAddr=function(e){var t=this;var r=n(e);var i=r[0];var a=r[1];return a>0&&a<65535&&!(i==="127.0.0.1"&&a===t._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":12,"./lib/tcp-pool":13,_process:78,"addr-to-ip-port":52,buffer:66,debug:28,dezalgo:31,events:70,inherits:34,net:52,speedometer:38}],12:[function(e,t,r){var i=e("debug")("bittorrent-swarm:peer");var n=e("./webconn");var a=e("bittorrent-protocol");var s=25e3;var o=25e3;r.createWebRTCPeer=function(e,t){var r=new f(e.id);r.conn=e;r.swarm=t;if(r.conn.connected){r.onConnect()}else{r.conn.once("connect",function(){r.onConnect()});r.conn.once("error",function(e){r.destroy(e)});r.setConnectTimeout()}return r};r.createIncomingTCPPeer=function(e){var t=e.remoteAddress+":"+e.remotePort;var r=new f(t);r.conn=e;r.addr=t;r.onConnect();return r};r.createOutgoingTCPPeer=function(e,t){var r=new f(e);r.addr=e;r.swarm=t;return r};r.createWebPeer=function(e,t,r){var i=new f(e);i.swarm=r;i.conn=new n(e,t);i.onConnect();return i};function f(e){var t=this;t.id=e;i("new Peer %s",e);t.addr=null;t.conn=null;t.swarm=null;t.wire=null;t.destroyed=false;t.timeout=null;t.retries=0;t.sentHandshake=false}f.prototype.onConnect=function(){var e=this;if(e.destroyed)return;i("Peer %s connected",e.id);clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()});t.once("close",function(){e.destroy()});t.once("finish",function(){e.destroy()});t.once("error",function(t){e.destroy(t)});var r=e.wire=new a;r.once("end",function(){e.destroy()});r.once("finish",function(){e.destroy()});r.once("error",function(t){e.destroy(t)});r.once("handshake",function(t,r){e.onHandshake(t,r)});e.setHandshakeTimeout();t.pipe(r).pipe(t);if(e.swarm)e.handshake()};f.prototype.onHandshake=function(e,t){var r=this;if(!r.swarm)return;var n=e.toString("hex");var a=t.toString("hex");if(r.swarm.destroyed)return r.destroy(new Error("swarm already destroyed"));if(n!==r.swarm.infoHashHex){return r.destroy(new Error("unexpected handshake info hash for this swarm"))}if(a===r.swarm.peerIdHex){return r.destroy(new Error("refusing to handshake with self"))}i("Peer %s got handshake %s",r.id,n);clearTimeout(r.handshakeTimeout);r.retries=0;r.wire.on("download",function(e){if(r.destroyed)return;r.swarm.downloaded+=e;r.swarm.downloadSpeed(e);r.swarm.emit("download",e)});r.wire.on("upload",function(e){if(r.destroyed)return;r.swarm.uploaded+=e;r.swarm.uploadSpeed(e);r.swarm.emit("upload",e)});if(!r.sentHandshake)r.handshake();r.swarm.wires.push(r.wire);var s=r.addr;if(!s&&r.conn.remoteAddress){s=r.conn.remoteAddress+":"+r.conn.remotePort}r.swarm.emit("wire",r.wire,s)};f.prototype.handshake=function(){var e=this;e.wire.handshake(e.swarm.infoHash,e.swarm.peerId,e.swarm.handshakeOpts);e.sentHandshake=true};f.prototype.setConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout);e.connectTimeout=setTimeout(function(){e.destroy(new Error("connect timeout"))},s);if(e.connectTimeout.unref)e.connectTimeout.unref()};f.prototype.setHandshakeTimeout=function(){var e=this;clearTimeout(e.handshakeTimeout);e.handshakeTimeout=setTimeout(function(){e.destroy(new Error("handshake timeout"))},o);if(e.handshakeTimeout.unref)e.handshakeTimeout.unref()};f.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;i("destroy Peer %s (error: %s)",t.id,e&&(e.message||e));if(t.swarm)t.swarm.wires.splice(t.swarm.wires.indexOf(t.wire),1);if(t.conn)t.conn.destroy();if(t.wire)t.wire.destroy();if(t.swarm){t.swarm.removePeer(t.id);t.swarm._drain()}clearTimeout(t.connectTimeout);clearTimeout(t.handshakeTimeout);t.conn=null;t.swarm=null;t.wire=null}},{"./webconn":14,"bittorrent-protocol":16,debug:28}],13:[function(e,t,r){(function(r){t.exports=f;var i=e("debug")("bittorrent-swarm:tcp-pool");var n=e("dezalgo");var a=e("net");var s=e("./peer");var o={};function f(e,t){var r=this;r.port=e;r.listening=false;r.swarms={};i("new TCPPool (port: %s, hostname: %s)",e,t);r.pendingConns=[];r.server=a.createServer();r.server.on("connection",function(e){r._onConnection(e)});r.server.on("error",function(e){r._onError(e)});r.server.on("listening",function(){r._onListening()});r.server.listen(r.port,t)}f.addSwarm=function(e){var t=o[e._port];if(!t)t=o[e._port]=new f(e._port,e._hostname);t.addSwarm(e);return t};f.removeSwarm=function(e,t){var i=o[e._port];if(!i)return t();i.removeSwarm(e);var n=0;for(var a in i.swarms){var s=i.swarms[a];if(s)n+=1}if(n===0)i.destroy(t);else r.nextTick(t)};f.getDefaultListenPort=function(e){for(var t in o){var r=o[t];if(r&&!r.swarms[e])return r.port}return 0};f.prototype.addSwarm=function(e){var t=this;if(t.swarms[e.infoHashHex]){r.nextTick(function(){e._onError(new Error("There is already a swarm with info hash "+e.infoHashHex+" "+"listening on port "+e._port))});return}t.swarms[e.infoHashHex]=e;if(t.listening){r.nextTick(function(){e._onListening(t.port)})}i("add swarm %s to tcp pool %s",e.infoHashHex,t.port)};f.prototype.removeSwarm=function(e){var t=this;i("remove swarm %s from tcp pool %s",e.infoHashHex,t.port);t.swarms[e.infoHashHex]=null};f.prototype.destroy=function(e){var t=this;if(e)e=n(e);i("destroy tcp pool %s",t.port);t.listening=false;t.pendingConns.forEach(function(e){e.destroy()});o[t.port]=null;try{t.server.close(e)}catch(r){if(e)e(null)}};f.prototype._onListening=function(){var e=this;var t=e.server.address()||{port:0};var r=t.port;i("tcp pool listening on %s",r);if(r!==e.port){o[e.port]=null;e.port=r;o[e.port]=e}e.listening=true;for(var n in e.swarms){var a=e.swarms[n];if(a)a._onListening(e.port)}};f.prototype._onConnection=function(e){var t=this;t.pendingConns.push(e);e.once("close",r);function r(){t.pendingConns.splice(t.pendingConns.indexOf(e))}var i=s.createIncomingTCPPeer(e);i.wire.once("handshake",function(n,a){var s=n.toString("hex");r();e.removeListener("close",r);var o=t.swarms[s];if(o){i.swarm=o;o._addIncomingPeer(i);i.onHandshake(n,a)}else{var f=new Error("Unexpected info hash "+s+" from incoming peer "+i.id+": destroying peer");i.destroy(f)}})};f.prototype._onError=function(e){var t=this;t.destroy();for(var r in t.swarms){var i=t.swarms[r];if(i){t.removeSwarm(i);i._onError(e)}}}}).call(this,e("_process"))},{"./peer":12,_process:78,debug:28,dezalgo:31,net:52}],14:[function(e,t,r){(function(r){t.exports=f;var i=e("bitfield");var n=e("debug")("bittorrent-swarm:webconn");var a=e("simple-get");var s=e("inherits");var o=e("bittorrent-protocol");s(f,o);function f(e,t){var a=this;o.call(this);a.url=e;a.parsedTorrent=t;a.setKeepAlive(true);a.on("handshake",function(t,n){a.handshake(t,new r(20).fill(e));var s=a.parsedTorrent.pieces.length;var o=new i(s);for(var f=0;f<=s;f++){o.set(f,true)}a.bitfield(o)});a.on("choke",function(){n("choke")});a.on("unchoke",function(){n("unchoke")});a.once("interested",function(){n("interested");a.unchoke()});a.on("uninterested",function(){n("uninterested")});a.on("bitfield",function(){n("bitfield")});a.on("request",function(e,t,r,i){n("request pieceIndex=%d offset=%d length=%d",e,t,r);a.httpRequest(e,t,r,i)})}f.prototype.httpRequest=function(e,t,r,i){var s=this;var o=e*s.parsedTorrent.pieceLength;var f=o+t;var l=f+r-1;n("Requesting pieceIndex=%d offset=%d length=%d start=%d end=%d",e,t,r,f,l);var u={url:s.url,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+f+"-"+l}};a.concat(u,function(e,t,r){if(e)return i(e);if(r.statusCode<200||r.statusCode>=300){return i(new Error("Unexpected HTTP status code "+r.statusCode))}n("Got data of length %d",t.length);i(null,t)})}}).call(this,e("buffer").Buffer)},{bitfield:15,"bittorrent-protocol":16,buffer:66,debug:28,inherits:34,"simple-get":35}],15:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{buffer:66,dup:10}],16:[function(e,t,r){(function(r){t.exports=b;var i=e("bitfield");var n=e("bencode");var a=e("debug")("bittorrent-protocol");var s=e("xtend");var o=e("inherits");var f=e("speedometer");var l=e("stream");var u=4e5;var c=new r("BitTorrent protocol");var p=new r([0,0,0,0]);var d=new r([0,0,0,1,0]);var h=new r([0,0,0,1,1]);var m=new r([0,0,0,1,2]);var v=new r([0,0,0,1,3]);var g=[0,0,0,0,0,0,0,0];var _=[0,0,0,3,9,0,0];function y(e,t,r,i){this.piece=e;this.offset=t;this.length=r;this.callback=i}o(b,l.Duplex);function b(){if(!(this instanceof b))return new b;l.Duplex.call(this);a("new wire");this.amChoking=true;this.amInterested=false;this.peerChoking=true;this.peerInterested=false;this.peerPieces=new i(0,{grow:u});this.peerExtensions={};this.requests=[];this.peerRequests=[];this.extendedMapping={};this.peerExtendedMapping={};this.extendedHandshake={};this.peerExtendedHandshake={};this._ext={};this._nextExt=1;this.uploaded=0;this.downloaded=0;this.uploadSpeed=f();this.downloadSpeed=f();this._keepAlive=null;this._timeout=null;this._timeoutMs=0;this.destroyed=false;this._finished=false;this._buffer=[];this._bufferSize=0;this._parser=null;this._parserSize=0;this.on("finish",this._onfinish);this._parseHandshake()}b.prototype.setKeepAlive=function(e){clearInterval(this._keepAlive);if(e===false)return;this._keepAlive=setInterval(this._push.bind(this,p),6e4)};b.prototype.setTimeout=function(e,t){this._clearTimeout();this._timeoutMs=e;this._timeoutUnref=!!t;this._updateTimeout()};b.prototype.destroy=function(){if(this.destroyed)return;this.destroyed=true;a("destroy");this.end()};b.prototype.end=function(){this._onUninterested();this._onChoke();l.Duplex.prototype.end.apply(this,arguments)};b.prototype.use=function(e){var t=e.prototype.name;if(!t){throw new Error("Extension API requires a named function, e.g. function name() {}")}var r=this._nextExt;var i=new e(this);function n(){}if(typeof i.onHandshake!=="function"){i.onHandshake=n}if(typeof i.onExtendedHandshake!=="function"){i.onExtendedHandshake=n}if(typeof i.onMessage!=="function"){i.onMessage=n}this.extendedMapping[r]=t;this._ext[t]=i;this[t]=i;this._nextExt+=1};b.prototype.handshake=function(e,t,i){if(typeof e==="string")e=new r(e,"hex");if(typeof t==="string")t=new r(t,"hex");if(e.length!==20||t.length!==20){throw new Error("infoHash and peerId MUST have length 20")}var n=new r(g);n[5]|=16;if(i&&i.dht)n[7]|=1;this._push(r.concat([c,n,e,t]));this._handshakeSent=true;if(this.peerExtensions.extended){this._sendExtendedHandshake()}};b.prototype._sendExtendedHandshake=function(){var e=s(this.extendedHandshake);e.m={};for(var t in this.extendedMapping){var r=this.extendedMapping[t];e.m[r]=Number(t)}this.extended(0,n.encode(e))};b.prototype.choke=function(){if(this.amChoking)return;this.amChoking=true;this.peerRequests.splice(0,this.peerRequests.length);this._push(d)};b.prototype.unchoke=function(){if(!this.amChoking)return;this.amChoking=false;this._push(h)};b.prototype.interested=function(){if(this.amInterested)return;this.amInterested=true;this._push(m)};b.prototype.uninterested=function(){if(!this.amInterested)return;this.amInterested=false;this._push(v)};b.prototype.have=function(e){this._message(4,[e],null)};b.prototype.bitfield=function(e){if(!r.isBuffer(e))e=e.buffer;this._message(5,[],e)};b.prototype.request=function(e,t,r,i){if(!i)i=function(){};if(this._finished)return i(new Error("wire is closed"));if(this.peerChoking)return i(new Error("peer is choking"));this.requests.push(new y(e,t,r,i));this._updateTimeout();this._message(6,[e,t,r],null)};b.prototype.piece=function(e,t,r){this.uploaded+=r.length;this.uploadSpeed(r.length);this.emit("upload",r.length);this._message(7,[e,t],r)};b.prototype.cancel=function(e,t,r){this._callback(w(this.requests,e,t,r),new Error("request was cancelled"),null);this._message(8,[e,t,r],null)};b.prototype.port=function(e){var t=new r(_);t.writeUInt16BE(e,5);this._push(t)};b.prototype.extended=function(e,t){if(typeof e==="string"&&this.peerExtendedMapping[e]){e=this.peerExtendedMapping[e]}if(typeof e==="number"){var i=new r([e]);var a=r.isBuffer(t)?t:n.encode(t);this._message(20,[],r.concat([i,a]))}else{throw new Error("Unrecognized extension: "+e)}};b.prototype._onKeepAlive=function(){this.emit("keep-alive")};b.prototype._onHandshake=function(e,t,r){this.peerId=t;this.peerExtensions=r;this.emit("handshake",e,t,r);var i;for(i in this._ext){this._ext[i].onHandshake(e,t,r)}if(r.extended&&this._handshakeSent){this._sendExtendedHandshake()}};b.prototype._onChoke=function(){this.peerChoking=true;this.emit("choke");while(this.requests.length){this._callback(this.requests.shift(),new Error("peer is choking"),null)}};b.prototype._onUnchoke=function(){this.peerChoking=false;this.emit("unchoke")};b.prototype._onInterested=function(){this.peerInterested=true;this.emit("interested")};b.prototype._onUninterested=function(){this.peerInterested=false;this.emit("uninterested")};b.prototype._onHave=function(e){if(this.peerPieces.get(e))return;this.peerPieces.set(e,true);this.emit("have",e)};b.prototype._onBitField=function(e){this.peerPieces=new i(e);this.emit("bitfield",this.peerPieces)};b.prototype._onRequest=function(e,t,r){if(this.amChoking)return;var i=function(i,a){if(n!==w(this.peerRequests,e,t,r))return;if(i)return;this.piece(e,t,a)}.bind(this);var n=new y(e,t,r,i);this.peerRequests.push(n);this.emit("request",e,t,r,i)};b.prototype._onPiece=function(e,t,r){this._callback(w(this.requests,e,t,r.length),null,r);this.downloaded+=r.length;this.downloadSpeed(r.length);this.emit("download",r.length);this.emit("piece",e,t,r)};b.prototype._onCancel=function(e,t,r){w(this.peerRequests,e,t,r);this.emit("cancel",e,t,r)};b.prototype._onPort=function(e){this.emit("port",e)};b.prototype._onExtended=function(e,t){var r,i;if(e===0&&(r=x(t))){this.peerExtendedHandshake=r;if(typeof r.m==="object"){for(i in r.m){this.peerExtendedMapping[i]=Number(r.m[i].toString())}}for(i in this._ext){if(this.peerExtendedMapping[i]){this._ext[i].onExtendedHandshake(this.peerExtendedHandshake)}}this.emit("extended","handshake",this.peerExtendedHandshake)}else{if(this.extendedMapping[e]){e=this.extendedMapping[e];if(this._ext[e]){this._ext[e].onMessage(t)}}this.emit("extended",e,t)}};b.prototype._onTimeout=function(){this._callback(this.requests.shift(),new Error("request 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s=0;s<t.length;s++){a.writeUInt32BE(t[s],5+4*s)}this._push(a);if(i)this._push(i)};b.prototype._onmessagelength=function(e){var t=e.readUInt32BE(0);if(t>0){this._parse(t,this._onmessage)}else{this._onKeepAlive();this._parse(4,this._onmessagelength)}};b.prototype._onmessage=function(e){this._parse(4,this._onmessagelength);switch(e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:return 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e.url}}).call(this,e("buffer").Buffer)},{buffer:66,http:71,https:75,once:37,url:96,zlib:65}],36:[function(e,t,r){arguments[4][33][0].apply(r,arguments)},{dup:33}],37:[function(e,t,r){var i=e("wrappy");t.exports=i(n);n.proto=n(function(){Object.defineProperty(Function.prototype,"once",{value:function(){return n(this)},configurable:true})});function n(e){var t=function(){if(t.called)return t.value;t.called=true;return t.value=e.apply(this,arguments)};t.called=false;return t}},{wrappy:36}],38:[function(e,t,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],39:[function(e,t,r){(function(r){var i=e("inherits");var n=e("readable-stream").Transform;var a=e("defined");t.exports=s;i(s,n);function s(e,t){if(!(this instanceof s))return new s(e,t);n.call(this);if(!t)t={};if(typeof e==="object"){t=e;e=t.size}this.size=e||512;if(t.nopad)this._zeroPadding=false;else 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0}else return t.length}return e}c.prototype.read=function(e){l("read",e);var t=this._readableState;var r=e;if(!o.isNumber(e)||e>0)t.emittedReadable=false;if(e===0&&t.needReadable&&(t.length>=t.highWaterMark||t.ended)){l("read: emitReadable",t.length,t.ended);if(t.length===0&&t.ended)I(this);else y(this);return null}e=v(e,t);if(e===0&&t.ended){if(t.length===0)I(this);return null}var i=t.needReadable;l("need readable",i);if(t.length===0||t.length-e<t.highWaterMark){i=true;l("length less than watermark",i)}if(t.ended||t.reading){i=false;l("reading or ended",i)}if(i){l("do read");t.reading=true;t.sync=true;if(t.length===0)t.needReadable=true;this._read(t.highWaterMark);t.sync=false}if(i&&!t.reading)e=v(r,t);var n;if(e>0)n=T(e,t);else n=null;if(o.isNull(n)){t.needReadable=true;e=0}t.length-=e;if(t.length===0&&!t.ended)t.needReadable=true;if(r!==e&&t.ended&&t.length===0)I(this);if(!o.isNull(n))this.emit("data",n);return n};function g(e,t){var 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i=t.pipesCount;t.pipes=null;t.pipesCount=0;t.flowing=false;for(var n=0;n<i;n++)r[n].emit("unpipe",this);return this}var n=L(t.pipes,e);if(n===-1)return this;t.pipes.splice(n,1);t.pipesCount-=1;if(t.pipesCount===1)t.pipes=t.pipes[0];e.emit("unpipe",this);return this};c.prototype.on=function(e,t){var i=s.prototype.on.call(this,e,t);if(e==="data"&&false!==this._readableState.flowing){this.resume()}if(e==="readable"&&this.readable){var n=this._readableState;if(!n.readableListening){n.readableListening=true;n.emittedReadable=false;n.needReadable=true;if(!n.reading){var a=this;r.nextTick(function(){l("readable nexttick read 0");a.read(0)})}else if(n.length){y(this,n)}}}return i};c.prototype.addListener=c.prototype.on;c.prototype.resume=function(){var e=this._readableState;if(!e.flowing){l("resume");e.flowing=true;if(!e.reading){l("resume read 0");this.read(0)}S(this,e)}return this};function S(e,t){if(!t.resumeScheduled){t.resumeScheduled=true;r.nextTick(function(){E(e,t)})}}function E(e,t){t.resumeScheduled=false;e.emit("resume");A(e);if(t.flowing&&!t.reading)e.read(0)}c.prototype.pause=function(){l("call pause flowing=%j",this._readableState.flowing);if(false!==this._readableState.flowing){l("pause");this._readableState.flowing=false;this.emit("pause")}return this};function A(e){var t=e._readableState;l("flow",t.flowing);if(t.flowing){do{var r=e.read()}while(null!==r&&t.flowing)}}c.prototype.wrap=function(e){var t=this._readableState;var r=false;var i=this;e.on("end",function(){l("wrapped end");if(t.decoder&&!t.ended){var e=t.decoder.end();if(e&&e.length)i.push(e)}i.push(null)});e.on("data",function(n){l("wrapped data");if(t.decoder)n=t.decoder.write(n);if(!n||!t.objectMode&&!n.length)return;var a=i.push(n);if(!a){r=true;e.pause()}});for(var n in e){if(o.isFunction(e[n])&&o.isUndefined(this[n])){this[n]=function(t){return function(){return e[t].apply(e,arguments)}}(n)}}var a=["error","close","destroy","pause","resume"];U(a,function(t){e.on(t,i.emit.bind(i,t))});i._read=function(t){l("wrapped _read",t);if(r){r=false;e.resume()}};return i};c._fromList=T;function T(e,t){var r=t.buffer;var i=t.length;var a=!!t.decoder;var s=!!t.objectMode;var o;if(r.length===0)return null;if(i===0)o=null;else if(s)o=r.shift();else if(!e||e>=i){if(a)o=r.join("");else o=n.concat(r,i);r.length=0}else{if(e<r[0].length){var f=r[0];o=f.slice(0,e);r[0]=f.slice(e)}else if(e===r[0].length){o=r.shift()}else{if(a)o="";else o=new n(e);var l=0;for(var u=0,c=r.length;u<c&&l<e;u++){var f=r[0];var p=Math.min(e-l,f.length);if(a)o+=f.slice(0,p);else f.copy(o,l,0,p);if(p<f.length)r[0]=f.slice(p);else r.shift();l+=p}}}return o}function I(e){var t=e._readableState;if(t.length>0)throw new Error("endReadable called on non-empty stream");if(!t.endEmitted){t.ended=true;r.nextTick(function(){if(!t.endEmitted&&t.length===0){t.endEmitted=true;e.readable=false;e.emit("end")}})}}function U(e,t){for(var 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s=t.decodeStrings===false;this.decodeStrings=!s;this.defaultEncoding=t.defaultEncoding||"utf8";this.length=0;this.writing=false;this.corked=0;this.sync=true;this.bufferProcessing=false;this.onwrite=function(e){v(r,e)};this.writecb=null;this.writelen=0;this.buffer=[];this.pendingcb=0;this.prefinished=false;this.errorEmitted=false}function f(t){var r=e("./_stream_duplex");if(!(this instanceof f)&&!(this instanceof r))return new f(t);this._writableState=new o(t,this);this.writable=true;a.call(this)}f.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe. 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K}return $}if(e.last_lit){re(e,false);if(e.strm.avail_out===0){return V}}return Y}function ue(e,t){var r;var i;var a;for(;;){if(e.lookahead<N){oe(e);if(e.lookahead<N&&t===f){return V}if(e.lookahead===0){break}}r=0;if(e.lookahead>=O){e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+O-1])&e.hash_mask;r=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h];e.head[e.ins_h]=e.strstart}e.prev_length=e.match_length;e.prev_match=e.match_start;e.match_length=O-1;if(r!==0&&e.prev_length<e.max_lazy_match&&e.strstart-r<=e.w_size-N){e.match_length=se(e,r);if(e.match_length<=5&&(e.strategy===y||e.match_length===O&&e.strstart-e.match_start>4096)){e.match_length=O-1}}if(e.prev_length>=O&&e.match_length<=e.prev_length){a=e.strstart+e.lookahead-O;i=n._tr_tally(e,e.strstart-1-e.prev_match,e.prev_length-O);e.lookahead-=e.prev_length-1;e.prev_length-=2;do{if(++e.strstart<=a){e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+O-1])&e.hash_mask;r=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h];e.head[e.ins_h]=e.strstart}}while(--e.prev_length!==0);e.match_available=0;e.match_length=O-1;e.strstart++;if(i){re(e,false);if(e.strm.avail_out===0){return V}}}else if(e.match_available){i=n._tr_tally(e,0,e.window[e.strstart-1]);if(i){re(e,false)}e.strstart++;e.lookahead--;if(e.strm.avail_out===0){return V}}else{e.match_available=1;e.strstart++;e.lookahead--}}if(e.match_available){i=n._tr_tally(e,0,e.window[e.strstart-1]);e.match_available=0}e.insert=e.strstart<O-1?e.strstart:O-1;if(t===c){re(e,true);if(e.strm.avail_out===0){return K}return $}if(e.last_lit){re(e,false);if(e.strm.avail_out===0){return V}}return Y}function ce(e,t){var r;var i;var a,s;var o=e.window;for(;;){if(e.lookahead<=M){oe(e);if(e.lookahead<=M&&t===f){return V}if(e.lookahead===0){break}}e.match_length=0;if(e.lookahead>=O&&e.strstart>0){a=e.strstart-1;i=o[a];if(i===o[++a]&&i===o[++a]&&i===o[++a]){s=e.strstart+M;do{}while(i===o[++a]&&i===o[++a]&&i===o[++a]&&i===o[++a]&&i===o[++a]&&i===o[++a]&&i===o[++a]&&i===o[++a]&&a<s);e.match_length=M-(s-a);if(e.match_length>e.lookahead){e.match_length=e.lookahead}}}if(e.match_length>=O){r=n._tr_tally(e,1,e.match_length-O);e.lookahead-=e.match_length;e.strstart+=e.match_length;e.match_length=0}else{r=n._tr_tally(e,0,e.window[e.strstart]);e.lookahead--;e.strstart++}if(r){re(e,false);if(e.strm.avail_out===0){return V}}}e.insert=0;if(t===c){re(e,true);if(e.strm.avail_out===0){return K}return $}if(e.last_lit){re(e,false);if(e.strm.avail_out===0){return V}}return Y}function pe(e,t){var r;for(;;){if(e.lookahead===0){oe(e);if(e.lookahead===0){if(t===f){return V}break}}e.match_length=0;r=n._tr_tally(e,0,e.window[e.strstart]);e.lookahead--;e.strstart++;if(r){re(e,false);if(e.strm.avail_out===0){return V}}}e.insert=0;if(t===c){re(e,true);if(e.strm.avail_out===0){return K}return $}if(e.last_lit){re(e,false);if(e.strm.avail_out===0){return V}}return Y}var de=function(e,t,r,i,n){this.good_length=e;this.max_lazy=t;this.nice_length=r;this.max_chain=i;this.func=n};var he;he=[new de(0,0,0,0,fe),new de(4,4,8,4,le),new de(4,5,16,8,le),new de(4,6,32,32,le),new de(4,4,16,16,ue),new de(8,16,32,32,ue),new de(8,16,128,128,ue),new de(8,32,128,256,ue),new de(32,128,258,1024,ue),new de(32,258,258,4096,ue)];function me(e){e.window_size=2*e.w_size;ee(e.head);e.max_lazy_match=he[e.level].max_lazy;e.good_match=he[e.level].good_length;e.nice_match=he[e.level].nice_length;e.max_chain_length=he[e.level].max_chain;e.strstart=0;e.block_start=0;e.lookahead=0;e.insert=0;e.match_length=e.prev_length=O-1;e.match_available=0;e.ins_h=0}function ve(){this.strm=null;this.status=0;this.pending_buf=null;this.pending_buf_size=0;this.pending_out=0;this.pending=0;this.wrap=0;this.gzhead=null;this.gzindex=0;this.method=E;this.last_flush=-1;this.w_size=0;this.w_bits=0;this.w_mask=0;this.window=null;this.window_size=0;this.prev=null;this.head=null;this.ins_h=0;this.hash_size=0;this.hash_bits=0;this.hash_mask=0;this.hash_shift=0;this.block_start=0;this.match_length=0;this.prev_match=0;this.match_available=0;this.strstart=0;this.match_start=0;this.lookahead=0;this.prev_length=0;this.max_chain_length=0;this.max_lazy_match=0;this.level=0;this.strategy=0;this.good_match=0;this.nice_match=0;this.dyn_ltree=new i.Buf16(R*2);this.dyn_dtree=new i.Buf16((2*z+1)*2);this.bl_tree=new i.Buf16((2*C+1)*2);ee(this.dyn_ltree);ee(this.dyn_dtree);ee(this.bl_tree);this.l_desc=null;this.d_desc=null;this.bl_desc=null;this.bl_count=new i.Buf16(F+1);this.heap=new i.Buf16(2*B+1);ee(this.heap);this.heap_len=0;this.heap_max=0;this.depth=new i.Buf16(2*B+1);ee(this.depth);this.l_buf=0;this.lit_bufsize=0;this.last_lit=0;this.d_buf=0;this.opt_len=0;this.static_len=0;this.matches=0;this.insert=0;this.bi_buf=0;this.bi_valid=0}function ge(e){var t;if(!e||!e.state){return J(e,m)}e.total_in=e.total_out=0;e.data_type=S;t=e.state;t.pending=0;t.pending_out=0;if(t.wrap<0){t.wrap=-t.wrap}t.status=t.wrap?P:W;e.adler=t.wrap===2?0:1;t.last_flush=f;n._tr_init(t);return d}function _e(e){var t=ge(e);if(t===d){me(e.state)}return t}function ye(e,t){if(!e||!e.state){return m}if(e.state.wrap!==2){return m}e.state.gzhead=t;return d}function be(e,t,r,n,a,s){if(!e){return m}var o=1;if(t===_){t=6}if(n<0){o=0;n=-n}else if(n>15){o=2;n-=16}if(a<1||a>A||r!==E||n<8||n>15||t<0||t>9||s<0||s>x){return J(e,m)}if(n===8){n=9}var f=new ve;e.state=f;f.strm=e;f.wrap=o;f.gzhead=null;f.w_bits=n;f.w_size=1<<f.w_bits;f.w_mask=f.w_size-1;f.hash_bits=a+7;f.hash_size=1<<f.hash_bits;f.hash_mask=f.hash_size-1;f.hash_shift=~~((f.hash_bits+O-1)/O);f.window=new i.Buf8(f.w_size*2);f.head=new i.Buf16(f.hash_size);f.prev=new i.Buf16(f.w_size);f.lit_bufsize=1<<a+6;f.pending_buf_size=f.lit_bufsize*4;f.pending_buf=new i.Buf8(f.pending_buf_size);f.d_buf=f.lit_bufsize>>1;f.l_buf=(1+2)*f.lit_bufsize;f.level=t;f.strategy=s;f.method=r;return _e(e)}function we(e,t){return be(e,t,E,T,I,k)}function xe(e,t){var r,i;var a,o;if(!e||!e.state||t>p||t<0){return e?J(e,m):m}i=e.state;if(!e.output||!e.input&&e.avail_in!==0||i.status===Z&&t!==c){return J(e,e.avail_out===0?g:m)}i.strm=e;r=i.last_flush;i.last_flush=t;if(i.status===P){if(i.wrap===2){e.adler=0;ie(i,31);ie(i,139);ie(i,8);if(!i.gzhead){ie(i,0);ie(i,0);ie(i,0);ie(i,0);ie(i,0);ie(i,i.level===9?2:i.strategy>=b||i.level<2?4:0);ie(i,X);i.status=W}else{ie(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(!i.gzhead.extra?0:4)+(!i.gzhead.name?0:8)+(!i.gzhead.comment?0:16));ie(i,i.gzhead.time&255);ie(i,i.gzhead.time>>8&255);ie(i,i.gzhead.time>>16&255);ie(i,i.gzhead.time>>24&255);ie(i,i.level===9?2:i.strategy>=b||i.level<2?4:0);ie(i,i.gzhead.os&255);if(i.gzhead.extra&&i.gzhead.extra.length){ie(i,i.gzhead.extra.length&255);ie(i,i.gzhead.extra.length>>8&255)}if(i.gzhead.hcrc){e.adler=s(e.adler,i.pending_buf,i.pending,0)}i.gzindex=0;i.status=j}}else{var v=E+(i.w_bits-8<<4)<<8;var _=-1;if(i.strategy>=b||i.level<2){_=0}else if(i.level<6){_=1}else if(i.level===6){_=2}else{_=3}v|=_<<6;if(i.strstart!==0){v|=D}v+=31-v%31;i.status=W;ne(i,v);if(i.strstart!==0){ne(i,e.adler>>>16);ne(i,e.adler&65535)}e.adler=1}}if(i.status===j){if(i.gzhead.extra){a=i.pending;while(i.gzindex<(i.gzhead.extra.length&65535)){if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>a){e.adler=s(e.adler,i.pending_buf,i.pending-a,a)}te(e);a=i.pending;if(i.pending===i.pending_buf_size){break}}ie(i,i.gzhead.extra[i.gzindex]&255);i.gzindex++}if(i.gzhead.hcrc&&i.pending>a){e.adler=s(e.adler,i.pending_buf,i.pending-a,a)}if(i.gzindex===i.gzhead.extra.length){i.gzindex=0;i.status=H}}else{i.status=H}}if(i.status===H){if(i.gzhead.name){a=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>a){e.adler=s(e.adler,i.pending_buf,i.pending-a,a)}te(e);a=i.pending;if(i.pending===i.pending_buf_size){o=1;break}}if(i.gzindex<i.gzhead.name.length){o=i.gzhead.name.charCodeAt(i.gzindex++)&255}else{o=0}ie(i,o)}while(o!==0);if(i.gzhead.hcrc&&i.pending>a){e.adler=s(e.adler,i.pending_buf,i.pending-a,a)}if(o===0){i.gzindex=0;i.status=q}}else{i.status=q}}if(i.status===q){if(i.gzhead.comment){a=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>a){e.adler=s(e.adler,i.pending_buf,i.pending-a,a)}te(e);a=i.pending;if(i.pending===i.pending_buf_size){o=1;break}}if(i.gzindex<i.gzhead.comment.length){o=i.gzhead.comment.charCodeAt(i.gzindex++)&255}else{o=0}ie(i,o)}while(o!==0);if(i.gzhead.hcrc&&i.pending>a){e.adler=s(e.adler,i.pending_buf,i.pending-a,a)}if(o===0){i.status=G}}else{i.status=G}}if(i.status===G){if(i.gzhead.hcrc){if(i.pending+2>i.pending_buf_size){te(e)}if(i.pending+2<=i.pending_buf_size){ie(i,e.adler&255);ie(i,e.adler>>8&255);e.adler=0;i.status=W}}else{i.status=W}}if(i.pending!==0){te(e);if(e.avail_out===0){i.last_flush=-1;return d}}else if(e.avail_in===0&&Q(t)<=Q(r)&&t!==c){return J(e,g)}if(i.status===Z&&e.avail_in!==0){return J(e,g)}if(e.avail_in!==0||i.lookahead!==0||t!==f&&i.status!==Z){var y=i.strategy===b?pe(i,t):i.strategy===w?ce(i,t):he[i.level].func(i,t);if(y===K||y===$){i.status=Z}if(y===V||y===K){if(e.avail_out===0){i.last_flush=-1}return d}if(y===Y){if(t===l){n._tr_align(i)}else if(t!==p){n._tr_stored_block(i,0,0,false);if(t===u){ee(i.head);if(i.lookahead===0){i.strstart=0;i.block_start=0;i.insert=0}}}te(e);if(e.avail_out===0){i.last_flush=-1;return d}}}if(t!==c){return d}if(i.wrap<=0){return h}if(i.wrap===2){ie(i,e.adler&255);ie(i,e.adler>>8&255);ie(i,e.adler>>16&255);ie(i,e.adler>>24&255);ie(i,e.total_in&255);ie(i,e.total_in>>8&255);ie(i,e.total_in>>16&255);ie(i,e.total_in>>24&255)}else{ne(i,e.adler>>>16);ne(i,e.adler&65535)}te(e);if(i.wrap>0){i.wrap=-i.wrap}return i.pending!==0?d:h}function ke(e){var t;if(!e||!e.state){return m}t=e.state.status;if(t!==P&&t!==j&&t!==H&&t!==q&&t!==G&&t!==W&&t!==Z){return J(e,m)}e.state=null;return t===W?J(e,v):d}r.deflateInit=we;r.deflateInit2=be;r.deflateReset=_e;r.deflateResetKeep=ge;r.deflateSetHeader=ye;r.deflate=xe;r.deflateEnd=ke;r.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":53,"./adler32":54,"./crc32":56,"./messages":61,"./trees":62}],58:[function(e,t,r){"use strict";var i=30;var n=12;t.exports=function a(e,t){var r;var a;var s;var o;var f;var l;var u;var c;var p;var d;var h;var m;var v;var g;var _;var y;var b;var w;var x;var k;var S;var E;var A;var T,I;r=e.state;a=e.next_in;T=e.input;s=a+(e.avail_in-5);o=e.next_out;I=e.output;f=o-(t-e.avail_out);l=o+(e.avail_out-257);u=r.dmax;c=r.wsize;p=r.whave;d=r.wnext;h=r.window;m=r.hold;v=r.bits;g=r.lencode;_=r.distcode;y=(1<<r.lenbits)-1;b=(1<<r.distbits)-1;e:do{if(v<15){m+=T[a++]<<v;v+=8;m+=T[a++]<<v;v+=8}w=g[m&y];t:for(;;){x=w>>>24;m>>>=x;v-=x;x=w>>>16&255;if(x===0){I[o++]=w&65535}else if(x&16){k=w&65535;x&=15;if(x){if(v<x){m+=T[a++]<<v;v+=8}k+=m&(1<<x)-1;m>>>=x;v-=x}if(v<15){m+=T[a++]<<v;v+=8;m+=T[a++]<<v;v+=8}w=_[m&b];r:for(;;){x=w>>>24;m>>>=x;v-=x;x=w>>>16&255;if(x&16){S=w&65535;x&=15;if(v<x){m+=T[a++]<<v;v+=8;if(v<x){m+=T[a++]<<v;v+=8}}S+=m&(1<<x)-1;if(S>u){e.msg="invalid distance too far back";r.mode=i;break e}m>>>=x;v-=x;x=o-f;if(S>x){x=S-x;if(x>p){if(r.sane){e.msg="invalid distance too far back";r.mode=i;break e}}E=0;A=h;if(d===0){E+=c-x;if(x<k){k-=x;do{I[o++]=h[E++]}while(--x);E=o-S;A=I}}else if(d<x){E+=c+d-x;x-=d;if(x<k){k-=x;do{I[o++]=h[E++]}while(--x);E=0;if(d<k){x=d;k-=x;do{I[o++]=h[E++]}while(--x);E=o-S;A=I}}}else{E+=d-x;if(x<k){k-=x;do{I[o++]=h[E++]}while(--x);E=o-S;A=I}}while(k>2){I[o++]=A[E++];I[o++]=A[E++];I[o++]=A[E++];k-=3}if(k){I[o++]=A[E++];if(k>1){I[o++]=A[E++]}}}else{E=o-S;do{I[o++]=I[E++];I[o++]=I[E++];I[o++]=I[E++];k-=3}while(k>2);if(k){I[o++]=I[E++];if(k>1){I[o++]=I[E++]}}}}else if((x&64)===0){w=_[(w&65535)+(m&(1<<x)-1)];continue r}else{e.msg="invalid distance code";r.mode=i;break e}break}}else if((x&64)===0){w=g[(w&65535)+(m&(1<<x)-1)];continue t}else if(x&32){r.mode=n;break e}else{e.msg="invalid literal/length code";r.mode=i;break e}break}}while(a<s&&o<l);k=v>>3;a-=k;v-=k<<3;m&=(1<<v)-1;e.next_in=a;e.next_out=o;e.avail_in=a<s?5+(s-a):5-(a-s);e.avail_out=o<l?257+(l-o):257-(o-l);r.hold=m;r.bits=v;return}},{}],59:[function(e,t,r){"use strict";var i=e("../utils/common");var n=e("./adler32");var a=e("./crc32");var s=e("./inffast");var o=e("./inftrees");var f=0;var l=1;var u=2;var c=4;var p=5;var d=6;var h=0;var m=1;var v=2;var g=-2;var _=-3;var y=-4;var b=-5;var w=8;var x=1;var k=2;var S=3;var E=4;var A=5;var T=6;var I=7;var U=8;var L=9;var B=10;var z=11;var C=12;var R=13;var F=14;var O=15;var M=16;var N=17;var D=18;var P=19;var j=20;var H=21;var q=22;var G=23;var W=24;var Z=25;var V=26;var Y=27;var K=28;var $=29;var X=30;var J=31;var Q=32;var ee=852;var te=592;var re=15;var ie=re;function ne(e){return(e>>>24&255)+(e>>>8&65280)+((e&65280)<<8)+((e&255)<<24)}function ae(){this.mode=0;this.last=false;this.wrap=0;this.havedict=false;this.flags=0;this.dmax=0;this.check=0;this.total=0;this.head=null;this.wbits=0;this.wsize=0;this.whave=0;this.wnext=0;this.window=null;this.hold=0;this.bits=0;this.length=0;this.offset=0;this.extra=0;this.lencode=null;this.distcode=null;this.lenbits=0;this.distbits=0;this.ncode=0;this.nlen=0;this.ndist=0;this.have=0;this.next=null;this.lens=new i.Buf16(320);this.work=new i.Buf16(288);this.lendyn=null;this.distdyn=null;this.sane=0;this.back=0;this.was=0}function se(e){var t;if(!e||!e.state){return g}t=e.state;e.total_in=e.total_out=t.total=0;e.msg="";if(t.wrap){e.adler=t.wrap&1}t.mode=x;t.last=0;t.havedict=0;t.dmax=32768;t.head=null;t.hold=0;t.bits=0;t.lencode=t.lendyn=new i.Buf32(ee);t.distcode=t.distdyn=new i.Buf32(te);t.sane=1;t.back=-1;return h}function oe(e){var t;if(!e||!e.state){return g}t=e.state;t.wsize=0;t.whave=0;t.wnext=0;return se(e)}function fe(e,t){var r;var i;if(!e||!e.state){return g}i=e.state;if(t<0){r=0;t=-t}else{r=(t>>4)+1;if(t<48){t&=15}}if(t&&(t<8||t>15)){return g}if(i.window!==null&&i.wbits!==t){i.window=null}i.wrap=r;i.wbits=t;return oe(e)}function le(e,t){var r;var i;if(!e){return g}i=new ae;e.state=i;i.window=null;r=fe(e,t);if(r!==h){e.state=null}return r}function ue(e){return le(e,ie)}var ce=true;var pe,de;function he(e){if(ce){var t;pe=new i.Buf32(512);de=new i.Buf32(32);t=0;while(t<144){e.lens[t++]=8}while(t<256){e.lens[t++]=9}while(t<280){e.lens[t++]=7}while(t<288){e.lens[t++]=8}o(l,e.lens,0,288,pe,0,e.work,{bits:9});t=0;while(t<32){e.lens[t++]=5}o(u,e.lens,0,32,de,0,e.work,{bits:5});ce=false}e.lencode=pe;e.lenbits=9;e.distcode=de;e.distbits=5}function me(e,t,r,n){var a;var s=e.state;if(s.window===null){s.wsize=1<<s.wbits;s.wnext=0;s.whave=0;s.window=new i.Buf8(s.wsize)}if(n>=s.wsize){i.arraySet(s.window,t,r-s.wsize,s.wsize,0);s.wnext=0;s.whave=s.wsize}else{a=s.wsize-s.wnext;if(a>n){a=n}i.arraySet(s.window,t,r-n,a,s.wnext);n-=a;if(n){i.arraySet(s.window,t,r-n,n,0);s.wnext=n;s.whave=s.wsize}else{s.wnext+=a;if(s.wnext===s.wsize){s.wnext=0}if(s.whave<s.wsize){s.whave+=a}}}return 0}function ve(e,t){var r;var ee,te;var re;var ie;var ae,se;var oe;var fe;var le,ue;var ce;var pe;var de;var ve=0;var ge,_e,ye;var be,we,xe;var ke;var Se;var Ee=new i.Buf8(4);var Ae;var Te;var Ie=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!e||!e.state||!e.output||!e.input&&e.avail_in!==0){return g}r=e.state;if(r.mode===C){r.mode=R}ie=e.next_out;te=e.output;se=e.avail_out;re=e.next_in;ee=e.input;ae=e.avail_in;oe=r.hold;fe=r.bits;le=ae;ue=se;Se=h;e:for(;;){switch(r.mode){case x:if(r.wrap===0){r.mode=R;break}while(fe<16){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}if(r.wrap&2&&oe===35615){r.check=0;Ee[0]=oe&255;Ee[1]=oe>>>8&255;r.check=a(r.check,Ee,2,0);oe=0;fe=0;r.mode=k;break}r.flags=0;if(r.head){r.head.done=false}if(!(r.wrap&1)||(((oe&255)<<8)+(oe>>8))%31){e.msg="incorrect header check";r.mode=X;break}if((oe&15)!==w){e.msg="unknown compression method";r.mode=X;break}oe>>>=4;fe-=4;ke=(oe&15)+8;if(r.wbits===0){r.wbits=ke}else if(ke>r.wbits){e.msg="invalid window size";r.mode=X;break}r.dmax=1<<ke;e.adler=r.check=1;r.mode=oe&512?B:C;oe=0;fe=0;break;case k:while(fe<16){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}r.flags=oe;if((r.flags&255)!==w){e.msg="unknown compression method";r.mode=X;break}if(r.flags&57344){e.msg="unknown header flags set";r.mode=X;break}if(r.head){r.head.text=oe>>8&1}if(r.flags&512){Ee[0]=oe&255;Ee[1]=oe>>>8&255;r.check=a(r.check,Ee,2,0)}oe=0;fe=0;r.mode=S;case S:while(fe<32){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}if(r.head){r.head.time=oe}if(r.flags&512){Ee[0]=oe&255;Ee[1]=oe>>>8&255;Ee[2]=oe>>>16&255;Ee[3]=oe>>>24&255;r.check=a(r.check,Ee,4,0)}oe=0;fe=0;r.mode=E;case E:while(fe<16){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}if(r.head){r.head.xflags=oe&255;r.head.os=oe>>8}if(r.flags&512){Ee[0]=oe&255;Ee[1]=oe>>>8&255;r.check=a(r.check,Ee,2,0)}oe=0;fe=0;r.mode=A;case A:if(r.flags&1024){while(fe<16){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}r.length=oe;if(r.head){r.head.extra_len=oe}if(r.flags&512){Ee[0]=oe&255;Ee[1]=oe>>>8&255;r.check=a(r.check,Ee,2,0)}oe=0;fe=0}else if(r.head){r.head.extra=null}r.mode=T;case T:if(r.flags&1024){ce=r.length;if(ce>ae){ce=ae}if(ce){if(r.head){ke=r.head.extra_len-r.length;if(!r.head.extra){r.head.extra=new Array(r.head.extra_len)}i.arraySet(r.head.extra,ee,re,ce,ke)}if(r.flags&512){r.check=a(r.check,ee,ce,re)}ae-=ce;re+=ce;r.length-=ce}if(r.length){break e}}r.length=0;r.mode=I;case I:if(r.flags&2048){if(ae===0){break e}ce=0;do{ke=ee[re+ce++];if(r.head&&ke&&r.length<65536){r.head.name+=String.fromCharCode(ke)}}while(ke&&ce<ae);if(r.flags&512){r.check=a(r.check,ee,ce,re)}ae-=ce;re+=ce;if(ke){break e}}else if(r.head){r.head.name=null}r.length=0;r.mode=U;case U:if(r.flags&4096){if(ae===0){break e}ce=0;do{ke=ee[re+ce++];if(r.head&&ke&&r.length<65536){r.head.comment+=String.fromCharCode(ke)}}while(ke&&ce<ae);if(r.flags&512){r.check=a(r.check,ee,ce,re)}ae-=ce;re+=ce;if(ke){break e}}else if(r.head){r.head.comment=null}r.mode=L;case L:if(r.flags&512){while(fe<16){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}if(oe!==(r.check&65535)){e.msg="header crc mismatch";r.mode=X;break}oe=0;fe=0}if(r.head){r.head.hcrc=r.flags>>9&1;r.head.done=true}e.adler=r.check=0;r.mode=C;break;case B:while(fe<32){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}e.adler=r.check=ne(oe);oe=0;fe=0;r.mode=z;case z:if(r.havedict===0){e.next_out=ie;e.avail_out=se;e.next_in=re;e.avail_in=ae;r.hold=oe;r.bits=fe;return v}e.adler=r.check=1;r.mode=C;case C:if(t===p||t===d){break e}case R:if(r.last){oe>>>=fe&7;fe-=fe&7;r.mode=Y;break}while(fe<3){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}r.last=oe&1;oe>>>=1;fe-=1;switch(oe&3){case 0:r.mode=F;break;case 1:he(r);r.mode=j;if(t===d){oe>>>=2;fe-=2;break e}break;case 2:r.mode=N;break;case 3:e.msg="invalid block type";r.mode=X}oe>>>=2;fe-=2;break;case F:oe>>>=fe&7;fe-=fe&7;while(fe<32){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}if((oe&65535)!==(oe>>>16^65535)){e.msg="invalid stored block lengths";r.mode=X;break}r.length=oe&65535;oe=0;fe=0;r.mode=O;if(t===d){break e}case O:r.mode=M;case M:ce=r.length;if(ce){if(ce>ae){ce=ae}if(ce>se){ce=se}if(ce===0){break e}i.arraySet(te,ee,re,ce,ie);ae-=ce;re+=ce;se-=ce;ie+=ce;r.length-=ce;break}r.mode=C;break;case N:while(fe<14){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}r.nlen=(oe&31)+257;oe>>>=5;fe-=5;r.ndist=(oe&31)+1;oe>>>=5;fe-=5;r.ncode=(oe&15)+4;oe>>>=4;fe-=4;if(r.nlen>286||r.ndist>30){e.msg="too many length or distance symbols";r.mode=X;break}r.have=0;r.mode=D;case D:while(r.have<r.ncode){while(fe<3){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}r.lens[Ie[r.have++]]=oe&7;oe>>>=3;fe-=3}while(r.have<19){r.lens[Ie[r.have++]]=0}r.lencode=r.lendyn;r.lenbits=7;Ae={bits:r.lenbits};Se=o(f,r.lens,0,19,r.lencode,0,r.work,Ae);r.lenbits=Ae.bits;if(Se){e.msg="invalid code lengths set";r.mode=X;break}r.have=0;r.mode=P;case P:while(r.have<r.nlen+r.ndist){for(;;){ve=r.lencode[oe&(1<<r.lenbits)-1];ge=ve>>>24;_e=ve>>>16&255;ye=ve&65535;if(ge<=fe){break}if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}if(ye<16){oe>>>=ge;fe-=ge;r.lens[r.have++]=ye}else{if(ye===16){Te=ge+2;while(fe<Te){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}oe>>>=ge;fe-=ge;if(r.have===0){e.msg="invalid bit length repeat";r.mode=X;break}ke=r.lens[r.have-1];ce=3+(oe&3);oe>>>=2;fe-=2}else if(ye===17){Te=ge+3;while(fe<Te){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}oe>>>=ge;fe-=ge;ke=0;ce=3+(oe&7);oe>>>=3;fe-=3}else{Te=ge+7;while(fe<Te){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}oe>>>=ge;fe-=ge;ke=0;ce=11+(oe&127);oe>>>=7;fe-=7}if(r.have+ce>r.nlen+r.ndist){e.msg="invalid bit length repeat";r.mode=X;break}while(ce--){r.lens[r.have++]=ke}}}if(r.mode===X){break}if(r.lens[256]===0){e.msg="invalid code -- missing end-of-block";r.mode=X;break}r.lenbits=9;Ae={bits:r.lenbits};Se=o(l,r.lens,0,r.nlen,r.lencode,0,r.work,Ae);r.lenbits=Ae.bits;if(Se){e.msg="invalid literal/lengths set";r.mode=X;break}r.distbits=6;r.distcode=r.distdyn;Ae={bits:r.distbits};Se=o(u,r.lens,r.nlen,r.ndist,r.distcode,0,r.work,Ae);r.distbits=Ae.bits;if(Se){e.msg="invalid distances set";r.mode=X;break}r.mode=j;if(t===d){break e}case j:r.mode=H;case H:if(ae>=6&&se>=258){e.next_out=ie;e.avail_out=se;e.next_in=re;e.avail_in=ae;r.hold=oe;r.bits=fe;s(e,ue);ie=e.next_out;te=e.output;se=e.avail_out;re=e.next_in;ee=e.input;ae=e.avail_in;oe=r.hold;fe=r.bits;if(r.mode===C){r.back=-1}break}r.back=0;for(;;){ve=r.lencode[oe&(1<<r.lenbits)-1];ge=ve>>>24;_e=ve>>>16&255;ye=ve&65535;if(ge<=fe){break}if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}if(_e&&(_e&240)===0){be=ge;we=_e;xe=ye;for(;;){ve=r.lencode[xe+((oe&(1<<be+we)-1)>>be)];ge=ve>>>24;_e=ve>>>16&255;ye=ve&65535;if(be+ge<=fe){break}if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}oe>>>=be;fe-=be;r.back+=be}oe>>>=ge;fe-=ge;r.back+=ge;r.length=ye;if(_e===0){r.mode=V;break}if(_e&32){r.back=-1;r.mode=C;break}if(_e&64){e.msg="invalid literal/length code";r.mode=X;break}r.extra=_e&15;r.mode=q;case q:if(r.extra){Te=r.extra;while(fe<Te){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}r.length+=oe&(1<<r.extra)-1;oe>>>=r.extra;fe-=r.extra;r.back+=r.extra}r.was=r.length;r.mode=G;case G:for(;;){ve=r.distcode[oe&(1<<r.distbits)-1];ge=ve>>>24;_e=ve>>>16&255;ye=ve&65535;if(ge<=fe){break}if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}if((_e&240)===0){be=ge;we=_e;xe=ye;for(;;){ve=r.distcode[xe+((oe&(1<<be+we)-1)>>be)];ge=ve>>>24;_e=ve>>>16&255;ye=ve&65535;if(be+ge<=fe){break}if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}oe>>>=be;fe-=be;r.back+=be}oe>>>=ge;fe-=ge;r.back+=ge;if(_e&64){e.msg="invalid distance code";r.mode=X;break}r.offset=ye;r.extra=_e&15;r.mode=W;case W:if(r.extra){Te=r.extra;while(fe<Te){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}r.offset+=oe&(1<<r.extra)-1;oe>>>=r.extra;fe-=r.extra;r.back+=r.extra}if(r.offset>r.dmax){e.msg="invalid distance too far back";r.mode=X;break}r.mode=Z;case Z:if(se===0){break e}ce=ue-se;if(r.offset>ce){ce=r.offset-ce;if(ce>r.whave){if(r.sane){e.msg="invalid distance too far back";r.mode=X;break}}if(ce>r.wnext){ce-=r.wnext;pe=r.wsize-ce}else{pe=r.wnext-ce}if(ce>r.length){ce=r.length}de=r.window}else{de=te;pe=ie-r.offset;ce=r.length}if(ce>se){ce=se}se-=ce;r.length-=ce;do{te[ie++]=de[pe++]}while(--ce);if(r.length===0){r.mode=H}break;case V:if(se===0){break e}te[ie++]=r.length;se--;r.mode=H;break;case Y:if(r.wrap){while(fe<32){if(ae===0){break e}ae--;oe|=ee[re++]<<fe;fe+=8}ue-=se;e.total_out+=ue;r.total+=ue;if(ue){e.adler=r.check=r.flags?a(r.check,te,ue,ie-ue):n(r.check,te,ue,ie-ue)}ue=se;if((r.flags?oe:ne(oe))!==r.check){e.msg="incorrect data check";r.mode=X;break}oe=0;fe=0}r.mode=K;case K:if(r.wrap&&r.flags){while(fe<32){if(ae===0){break e}ae--;oe+=ee[re++]<<fe;fe+=8}if(oe!==(r.total&4294967295)){e.msg="incorrect length check";r.mode=X;break}oe=0;fe=0}r.mode=$;case $:Se=m;break e;case X:Se=_;break e;case J:return y;case Q:default:return g}}e.next_out=ie;e.avail_out=se;e.next_in=re;e.avail_in=ae;r.hold=oe;r.bits=fe;if(r.wsize||ue!==e.avail_out&&r.mode<X&&(r.mode<Y||t!==c)){if(me(e,e.output,e.next_out,ue-e.avail_out)){r.mode=J;return y}}le-=e.avail_in;ue-=e.avail_out;e.total_in+=le;e.total_out+=ue;r.total+=ue;if(r.wrap&&ue){e.adler=r.check=r.flags?a(r.check,te,ue,e.next_out-ue):n(r.check,te,ue,e.next_out-ue)}e.data_type=r.bits+(r.last?64:0)+(r.mode===C?128:0)+(r.mode===j||r.mode===O?256:0);if((le===0&&ue===0||t===c)&&Se===h){Se=b}return Se}function ge(e){if(!e||!e.state){return g}var t=e.state;if(t.window){t.window=null}e.state=null;return h}function _e(e,t){var r;if(!e||!e.state){return g}r=e.state;if((r.wrap&2)===0){return g}r.head=t;t.done=false;return h}r.inflateReset=oe;r.inflateReset2=fe;r.inflateResetKeep=se;r.inflateInit=ue;r.inflateInit2=le;r.inflate=ve;r.inflateEnd=ge;r.inflateGetHeader=_e;r.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":53,"./adler32":54,"./crc32":56,"./inffast":58,"./inftrees":60}],60:[function(e,t,r){"use strict";var i=e("../utils/common");var n=15;var a=852;var s=592;var o=0;var f=1;var l=2;var u=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0];var c=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78];var p=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0];var d=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function h(e,t,r,m,v,g,_,y){var b=y.bits;var w=0;var x=0;var k=0,S=0;var E=0;var A=0;var T=0;var I=0;var U=0;var L=0;var B;var z;var C;var R;var F;var O=null;var M=0;var N;var D=new i.Buf16(n+1);var P=new i.Buf16(n+1);var j=null;var H=0;var q,G,W;for(w=0;w<=n;w++){D[w]=0}for(x=0;x<m;x++){D[t[r+x]]++}E=b;for(S=n;S>=1;S--){if(D[S]!==0){break}}if(E>S){E=S}if(S===0){v[g++]=1<<24|64<<16|0;v[g++]=1<<24|64<<16|0;y.bits=1;return 0}for(k=1;k<S;k++){if(D[k]!==0){break}}if(E<k){E=k}I=1;for(w=1;w<=n;w++){I<<=1;I-=D[w];if(I<0){return-1}}if(I>0&&(e===o||S!==1)){return-1}P[1]=0;for(w=1;w<n;w++){P[w+1]=P[w]+D[w]}for(x=0;x<m;x++){if(t[r+x]!==0){_[P[t[r+x]]++]=x}}if(e===o){O=j=_;N=19}else if(e===f){O=u;M-=257;j=c;H-=257;N=256}else{O=p;j=d;N=-1}L=0;x=0;w=k;F=g;A=E;T=0;C=-1;U=1<<E;R=U-1;if(e===f&&U>a||e===l&&U>s){return 1}var Z=0;for(;;){Z++;q=w-T;if(_[x]<N){G=0;W=_[x]}else if(_[x]>N){G=j[H+_[x]];W=O[M+_[x]]}else{G=32+64;W=0}B=1<<w-T;z=1<<A;k=z;do{z-=B;v[F+(L>>T)+z]=q<<24|G<<16|W|0}while(z!==0);B=1<<w-1;
+while(L&B){B>>=1}if(B!==0){L&=B-1;L+=B}else{L=0}x++;if(--D[w]===0){if(w===S){break}w=t[r+_[x]]}if(w>E&&(L&R)!==C){if(T===0){T=E}F+=k;A=w-T;I=1<<A;while(A+T<S){I-=D[A+T];if(I<=0){break}A++;I<<=1}U+=1<<A;if(e===f&&U>a||e===l&&U>s){return 1}C=L&R;v[C]=E<<24|A<<16|F-g|0}}if(L!==0){v[F+L]=w-T<<24|64<<16|0}y.bits=E;return 0}},{"../utils/common":53}],61:[function(e,t,r){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],62:[function(e,t,r){"use strict";var i=e("../utils/common");var n=4;var a=0;var s=1;var o=2;function f(e){var t=e.length;while(--t>=0){e[t]=0}}var l=0;var u=1;var c=2;var p=3;var d=258;var h=29;var m=256;var v=m+1+h;var g=30;var _=19;var y=2*v+1;var b=15;var w=16;var x=7;var k=256;var S=16;var E=17;var A=18;var T=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0];var I=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];var U=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7];var L=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];var B=512;var z=new Array((v+2)*2);f(z);var C=new Array(g*2);f(C);var R=new Array(B);f(R);var F=new Array(d-p+1);f(F);var O=new Array(h);f(O);var M=new Array(g);f(M);var N=function(e,t,r,i,n){this.static_tree=e;this.extra_bits=t;this.extra_base=r;this.elems=i;this.max_length=n;this.has_stree=e&&e.length};var D;var P;var j;var H=function(e,t){this.dyn_tree=e;this.max_code=0;this.stat_desc=t};function q(e){return e<256?R[e]:R[256+(e>>>7)]}function G(e,t){e.pending_buf[e.pending++]=t&255;e.pending_buf[e.pending++]=t>>>8&255}function W(e,t,r){if(e.bi_valid>w-r){e.bi_buf|=t<<e.bi_valid&65535;G(e,e.bi_buf);e.bi_buf=t>>w-e.bi_valid;e.bi_valid+=r-w}else{e.bi_buf|=t<<e.bi_valid&65535;e.bi_valid+=r}}function Z(e,t,r){W(e,r[t*2],r[t*2+1])}function V(e,t){var r=0;do{r|=e&1;e>>>=1;r<<=1}while(--t>0);return r>>>1}function Y(e){if(e.bi_valid===16){G(e,e.bi_buf);e.bi_buf=0;e.bi_valid=0}else if(e.bi_valid>=8){e.pending_buf[e.pending++]=e.bi_buf&255;e.bi_buf>>=8;e.bi_valid-=8}}function K(e,t){var r=t.dyn_tree;var i=t.max_code;var n=t.stat_desc.static_tree;var a=t.stat_desc.has_stree;var s=t.stat_desc.extra_bits;var o=t.stat_desc.extra_base;var f=t.stat_desc.max_length;var l;var u,c;var p;var d;var h;var m=0;for(p=0;p<=b;p++){e.bl_count[p]=0}r[e.heap[e.heap_max]*2+1]=0;for(l=e.heap_max+1;l<y;l++){u=e.heap[l];p=r[r[u*2+1]*2+1]+1;if(p>f){p=f;m++}r[u*2+1]=p;if(u>i){continue}e.bl_count[p]++;d=0;if(u>=o){d=s[u-o]}h=r[u*2];e.opt_len+=h*(p+d);if(a){e.static_len+=h*(n[u*2+1]+d)}}if(m===0){return}do{p=f-1;while(e.bl_count[p]===0){p--}e.bl_count[p]--;e.bl_count[p+1]+=2;e.bl_count[f]--;m-=2}while(m>0);for(p=f;p!==0;p--){u=e.bl_count[p];while(u!==0){c=e.heap[--l];if(c>i){continue}if(r[c*2+1]!==p){e.opt_len+=(p-r[c*2+1])*r[c*2];r[c*2+1]=p}u--}}}function $(e,t,r){var i=new Array(b+1);var n=0;var a;var s;for(a=1;a<=b;a++){i[a]=n=n+r[a-1]<<1}for(s=0;s<=t;s++){var o=e[s*2+1];if(o===0){continue}e[s*2]=V(i[o]++,o)}}function X(){var e;var t;var r;var i;var n;var a=new Array(b+1);r=0;for(i=0;i<h-1;i++){O[i]=r;for(e=0;e<1<<T[i];e++){F[r++]=i}}F[r-1]=i;n=0;for(i=0;i<16;i++){M[i]=n;for(e=0;e<1<<I[i];e++){R[n++]=i}}n>>=7;for(;i<g;i++){M[i]=n<<7;for(e=0;e<1<<I[i]-7;e++){R[256+n++]=i}}for(t=0;t<=b;t++){a[t]=0}e=0;while(e<=143){z[e*2+1]=8;e++;a[8]++}while(e<=255){z[e*2+1]=9;e++;a[9]++}while(e<=279){z[e*2+1]=7;e++;a[7]++}while(e<=287){z[e*2+1]=8;e++;a[8]++}$(z,v+1,a);for(e=0;e<g;e++){C[e*2+1]=5;C[e*2]=V(e,5)}D=new N(z,T,m+1,v,b);P=new N(C,I,0,g,b);j=new N(new Array(0),U,0,_,x)}function J(e){var t;for(t=0;t<v;t++){e.dyn_ltree[t*2]=0}for(t=0;t<g;t++){e.dyn_dtree[t*2]=0}for(t=0;t<_;t++){e.bl_tree[t*2]=0}e.dyn_ltree[k*2]=1;e.opt_len=e.static_len=0;e.last_lit=e.matches=0}function Q(e){if(e.bi_valid>8){G(e,e.bi_buf)}else if(e.bi_valid>0){e.pending_buf[e.pending++]=e.bi_buf}e.bi_buf=0;e.bi_valid=0}function ee(e,t,r,n){Q(e);if(n){G(e,r);G(e,~r)}i.arraySet(e.pending_buf,e.window,t,r,e.pending);e.pending+=r}function te(e,t,r,i){var n=t*2;var a=r*2;return e[n]<e[a]||e[n]===e[a]&&i[t]<=i[r]}function re(e,t,r){var i=e.heap[r];var n=r<<1;while(n<=e.heap_len){if(n<e.heap_len&&te(t,e.heap[n+1],e.heap[n],e.depth)){n++}if(te(t,i,e.heap[n],e.depth)){break}e.heap[r]=e.heap[n];r=n;n<<=1}e.heap[r]=i}function ie(e,t,r){var i;var n;var a=0;var s;var o;if(e.last_lit!==0){do{i=e.pending_buf[e.d_buf+a*2]<<8|e.pending_buf[e.d_buf+a*2+1];n=e.pending_buf[e.l_buf+a];a++;if(i===0){Z(e,n,t)}else{s=F[n];Z(e,s+m+1,t);o=T[s];if(o!==0){n-=O[s];W(e,n,o)}i--;s=q(i);Z(e,s,r);o=I[s];if(o!==0){i-=M[s];W(e,i,o)}}}while(a<e.last_lit)}Z(e,k,t)}function ne(e,t){var r=t.dyn_tree;var i=t.stat_desc.static_tree;var n=t.stat_desc.has_stree;var a=t.stat_desc.elems;var s,o;var f=-1;var l;e.heap_len=0;e.heap_max=y;for(s=0;s<a;s++){if(r[s*2]!==0){e.heap[++e.heap_len]=f=s;e.depth[s]=0}else{r[s*2+1]=0}}while(e.heap_len<2){l=e.heap[++e.heap_len]=f<2?++f:0;r[l*2]=1;e.depth[l]=0;e.opt_len--;if(n){e.static_len-=i[l*2+1]}}t.max_code=f;for(s=e.heap_len>>1;s>=1;s--){re(e,r,s)}l=a;do{s=e.heap[1];e.heap[1]=e.heap[e.heap_len--];re(e,r,1);o=e.heap[1];e.heap[--e.heap_max]=s;e.heap[--e.heap_max]=o;r[l*2]=r[s*2]+r[o*2];e.depth[l]=(e.depth[s]>=e.depth[o]?e.depth[s]:e.depth[o])+1;r[s*2+1]=r[o*2+1]=l;e.heap[1]=l++;re(e,r,1)}while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1];K(e,t);$(r,f,e.bl_count)}function ae(e,t,r){var i;var n=-1;var a;var s=t[0*2+1];var o=0;var f=7;var l=4;if(s===0){f=138;l=3}t[(r+1)*2+1]=65535;for(i=0;i<=r;i++){a=s;s=t[(i+1)*2+1];if(++o<f&&a===s){continue}else if(o<l){e.bl_tree[a*2]+=o}else if(a!==0){if(a!==n){e.bl_tree[a*2]++}e.bl_tree[S*2]++}else if(o<=10){e.bl_tree[E*2]++}else{e.bl_tree[A*2]++}o=0;n=a;if(s===0){f=138;l=3}else if(a===s){f=6;l=3}else{f=7;l=4}}}function se(e,t,r){var i;var n=-1;var a;var s=t[0*2+1];var o=0;var f=7;var l=4;if(s===0){f=138;l=3}for(i=0;i<=r;i++){a=s;s=t[(i+1)*2+1];if(++o<f&&a===s){continue}else if(o<l){do{Z(e,a,e.bl_tree)}while(--o!==0)}else if(a!==0){if(a!==n){Z(e,a,e.bl_tree);o--}Z(e,S,e.bl_tree);W(e,o-3,2)}else if(o<=10){Z(e,E,e.bl_tree);W(e,o-3,3)}else{Z(e,A,e.bl_tree);W(e,o-11,7)}o=0;n=a;if(s===0){f=138;l=3}else if(a===s){f=6;l=3}else{f=7;l=4}}}function oe(e){var t;ae(e,e.dyn_ltree,e.l_desc.max_code);ae(e,e.dyn_dtree,e.d_desc.max_code);ne(e,e.bl_desc);for(t=_-1;t>=3;t--){if(e.bl_tree[L[t]*2+1]!==0){break}}e.opt_len+=3*(t+1)+5+5+4;return t}function fe(e,t,r,i){var n;W(e,t-257,5);W(e,r-1,5);W(e,i-4,4);for(n=0;n<i;n++){W(e,e.bl_tree[L[n]*2+1],3)}se(e,e.dyn_ltree,t-1);se(e,e.dyn_dtree,r-1)}function le(e){var t=4093624447;var r;for(r=0;r<=31;r++,t>>>=1){if(t&1&&e.dyn_ltree[r*2]!==0){return a}}if(e.dyn_ltree[9*2]!==0||e.dyn_ltree[10*2]!==0||e.dyn_ltree[13*2]!==0){return s}for(r=32;r<m;r++){if(e.dyn_ltree[r*2]!==0){return s}}return a}var ue=false;function ce(e){if(!ue){X();ue=true}e.l_desc=new H(e.dyn_ltree,D);e.d_desc=new H(e.dyn_dtree,P);e.bl_desc=new H(e.bl_tree,j);e.bi_buf=0;e.bi_valid=0;J(e)}function pe(e,t,r,i){W(e,(l<<1)+(i?1:0),3);ee(e,t,r,true)}function de(e){W(e,u<<1,3);Z(e,k,z);Y(e)}function he(e,t,r,i){var a,s;var f=0;if(e.level>0){if(e.strm.data_type===o){e.strm.data_type=le(e)}ne(e,e.l_desc);ne(e,e.d_desc);f=oe(e);a=e.opt_len+3+7>>>3;s=e.static_len+3+7>>>3;if(s<=a){a=s}}else{a=s=r+5}if(r+4<=a&&t!==-1){pe(e,t,r,i)}else if(e.strategy===n||s===a){W(e,(u<<1)+(i?1:0),3);ie(e,z,C)}else{W(e,(c<<1)+(i?1:0),3);fe(e,e.l_desc.max_code+1,e.d_desc.max_code+1,f+1);ie(e,e.dyn_ltree,e.dyn_dtree)}J(e);if(i){Q(e)}}function me(e,t,r){e.pending_buf[e.d_buf+e.last_lit*2]=t>>>8&255;e.pending_buf[e.d_buf+e.last_lit*2+1]=t&255;e.pending_buf[e.l_buf+e.last_lit]=r&255;e.last_lit++;if(t===0){e.dyn_ltree[r*2]++}else{e.matches++;t--;e.dyn_ltree[(F[r]+m+1)*2]++;e.dyn_dtree[q(t)*2]++}return e.last_lit===e.lit_bufsize-1}r._tr_init=ce;r._tr_stored_block=pe;r._tr_flush_block=he;r._tr_tally=me;r._tr_align=de},{"../utils/common":53}],63:[function(e,t,r){"use strict";function i(){this.input=null;this.next_in=0;this.avail_in=0;this.total_in=0;this.output=null;this.next_out=0;this.avail_out=0;this.total_out=0;this.msg="";this.state=null;this.data_type=2;this.adler=0}t.exports=i},{}],64:[function(e,t,r){(function(t,i){var n=e("pako/lib/zlib/messages");var a=e("pako/lib/zlib/zstream");var s=e("pako/lib/zlib/deflate.js");var o=e("pako/lib/zlib/inflate.js");var f=e("pako/lib/zlib/constants");for(var l in f){r[l]=f[l]}r.NONE=0;r.DEFLATE=1;r.INFLATE=2;r.GZIP=3;r.GUNZIP=4;r.DEFLATERAW=5;r.INFLATERAW=6;r.UNZIP=7;function u(e){if(e<r.DEFLATE||e>r.UNZIP)throw new TypeError("Bad argument");this.mode=e;this.init_done=false;this.write_in_progress=false;this.pending_close=false;this.windowBits=0;this.level=0;this.memLevel=0;this.strategy=0;this.dictionary=null}u.prototype.init=function(e,t,i,n,f){this.windowBits=e;this.level=t;this.memLevel=i;this.strategy=n;if(this.mode===r.GZIP||this.mode===r.GUNZIP)this.windowBits+=16;if(this.mode===r.UNZIP)this.windowBits+=32;if(this.mode===r.DEFLATERAW||this.mode===r.INFLATERAW)this.windowBits=-this.windowBits;this.strm=new a;switch(this.mode){case r.DEFLATE:case r.GZIP:case r.DEFLATERAW:var l=s.deflateInit2(this.strm,this.level,r.Z_DEFLATED,this.windowBits,this.memLevel,this.strategy);break;case r.INFLATE:case r.GUNZIP:case r.INFLATERAW:case r.UNZIP:var l=o.inflateInit2(this.strm,this.windowBits);break;default:throw new Error("Unknown mode "+this.mode)}if(l!==r.Z_OK){this._error(l);return}this.write_in_progress=false;this.init_done=true};u.prototype.params=function(){throw new Error("deflateParams Not supported")};u.prototype._writeCheck=function(){if(!this.init_done)throw new Error("write before init");if(this.mode===r.NONE)throw new Error("already finalized");if(this.write_in_progress)throw new Error("write already in progress");if(this.pending_close)throw new Error("close is pending")};u.prototype.write=function(e,r,i,n,a,s,o){this._writeCheck();this.write_in_progress=true;var f=this;t.nextTick(function(){f.write_in_progress=false;var t=f._write(e,r,i,n,a,s,o);f.callback(t[0],t[1]);if(f.pending_close)f.close()});return this};function c(e,t){for(var r=0;r<e.length;r++){this[t+r]=e[r]}}u.prototype.writeSync=function(e,t,r,i,n,a,s){this._writeCheck();return this._write(e,t,r,i,n,a,s)};u.prototype._write=function(e,t,n,a,f,l,u){this.write_in_progress=true;if(e!==r.Z_NO_FLUSH&&e!==r.Z_PARTIAL_FLUSH&&e!==r.Z_SYNC_FLUSH&&e!==r.Z_FULL_FLUSH&&e!==r.Z_FINISH&&e!==r.Z_BLOCK){throw new Error("Invalid flush value")}if(t==null){t=new i(0);a=0;n=0}if(f._set)f.set=f._set;else f.set=c;var p=this.strm;p.avail_in=a;p.input=t;p.next_in=n;p.avail_out=u;p.output=f;p.next_out=l;switch(this.mode){case r.DEFLATE:case r.GZIP:case r.DEFLATERAW:var d=s.deflate(p,e);break;case r.UNZIP:case r.INFLATE:case r.GUNZIP:case r.INFLATERAW:var d=o.inflate(p,e);break;default:throw new Error("Unknown mode 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i=e("stream");r=t.exports=e("./lib/_stream_readable.js");r.Stream=i;r.Readable=r;r.Writable=e("./lib/_stream_writable.js");r.Duplex=e("./lib/_stream_duplex.js");r.Transform=e("./lib/_stream_transform.js");r.PassThrough=e("./lib/_stream_passthrough.js")},{"./lib/_stream_duplex.js":107,"./lib/_stream_passthrough.js":108,"./lib/_stream_readable.js":109,"./lib/_stream_transform.js":110,"./lib/_stream_writable.js":111,stream:94}],116:[function(e,t,r){arguments[4][31][0].apply(r,arguments)},{asap:117,dup:31,wrappy:118}],117:[function(e,t,r){arguments[4][32][0].apply(r,arguments)},{_process:78,dup:32}],118:[function(e,t,r){arguments[4][33][0].apply(r,arguments)},{dup:33}],119:[function(e,t,r){arguments[4][25][0].apply(r,arguments)},{dup:25}],120:[function(e,t,r){(function(r){var i=e("is-typedarray").strict;t.exports=function(e){var t=r.TYPED_ARRAY_SUPPORT?r._augment:function(e){return new r(e)};if(e instanceof Uint8Array){return t(e)}else if(e instanceof ArrayBuffer){return t(new 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t=f.parse(e).protocol;if((t==="http:"||t==="https:")&&typeof u==="function"){return new u(h,e,m)}else if(t==="udp:"&&typeof c==="function"){return new c(h,e,m)}else if((t==="ws:"||t==="wss:")&&v){return new p(h,e,m)}else{r.nextTick(function(){var t=new Error("unsupported tracker protocol for "+e);h.emit("warning",t)})}return null}).filter(Boolean)}d.scrape=function(e,t,r){r=o(r);var n=new i("01234567890123456789");var a=6881;var s={infoHash:Array.isArray(t)?t[0]:t,announce:[e]};var f=new d(n,a,s);f.once("error",r);var l=Array.isArray(t)?t.length:1;var u={};f.on("scrape",function(e){l-=1;u[e.infoHash]=e;if(l===0){f.destroy();var t=Object.keys(u);if(t.length===1){r(null,u[t[0]])}else{r(null,u)}}});t=Array.isArray(t)?t.map(function(e){return new i(e,"hex")}):new i(t,"hex");f.scrape({infoHash:t})};d.prototype.start=function(e){var t=this;n("send 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e=this;n("destroy");e._trackers.forEach(function(e){e.destroy();e.setInterval(0)});e._trackers=[]};d.prototype._defaultAnnounceOpts=function(e){var t=this;if(!e)e={};if(e.numWant==null)e.numWant=t._numWant;if(e.uploaded==null)e.uploaded=0;if(e.downloaded==null)e.downloaded=0;if(e.left==null&&t.torrentLength!=null){e.left=t.torrentLength-e.downloaded}return e}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/common":185,"./lib/http-tracker":52,"./lib/udp-tracker":52,"./lib/websocket-tracker":186,_process:78,buffer:66,debug:187,events:70,inherits:191,once:193,url:96}],184:[function(e,t,r){(function(t){var i=e("querystring");r.IPV4_RE=/^[\d\.]+$/;r.IPV6_RE=/^[\da-fA-F:]+$/;r.CONNECTION_ID=t.concat([n(1047),n(655366528)]);r.ACTIONS={CONNECT:0,ANNOUNCE:1,SCRAPE:2,ERROR:3};r.EVENTS={update:0,completed:1,started:2,stopped:3};r.EVENT_IDS={0:"update",1:"completed",2:"started",3:"stopped"};r.EVENT_NAMES={update:"update",completed:"complete",started:"start",stopped:"stop"};function n(e){var r=new t(4);r.writeUInt32BE(e,0);return r}r.toUInt32=n;r.querystringParse=function(e){var t=i.unescape;i.unescape=unescape;var r=i.parse(e);i.unescape=t;return r};r.querystringStringify=function(e){var t=i.escape;i.escape=escape;var r=i.stringify(e);r=r.replace(/[\@\*\/\+]/g,function(e){return"%"+e.charCodeAt(0).toString(16).toUpperCase()});i.escape=t;return r}}).call(this,e("buffer").Buffer)},{buffer:66,querystring:82}],185:[function(e,t,r){(function(t){var i=e("xtend/mutable");r.DEFAULT_ANNOUNCE_INTERVAL=30*60*1e3;r.DEFAULT_ANNOUNCE_PEERS=50;r.MAX_ANNOUNCE_PEERS=82;r.binaryToHex=function(e){return new t(e,"binary").toString("hex")};r.hexToBinary=function(e){return new t(e,"hex").toString("binary")};var n=e("./common-node");i(r,n)}).call(this,e("buffer").Buffer)},{"./common-node":184,buffer:66,"xtend/mutable":214}],186:[function(e,t,r){t.exports=d;var i=e("debug")("bittorrent-tracker:websocket-tracker");var n=e("events").EventEmitter;var a=e("hat");var s=e("inherits");var o=e("simple-peer");var f=e("simple-websocket");var l=e("./common");var u={};var c=30*1e3;var p=5*1e3;s(d,n);function d(e,t,r){var a=this;n.call(a);i("new websocket tracker %s",t);a.client=e;a.destroyed=false;a._opts=r;if(t[t.length-1]==="/"){t=t.substring(0,t.length-1)}a._announceUrl=t;a._peers={};a._socket=null;a._intervalMs=a.client._intervalMs;a._interval=null;a._openSocket()}d.prototype.announce=function(e){var t=this;if(t.destroyed)return;if(!t._socket.connected){return t._socket.once("connect",t.announce.bind(t,e))}e.info_hash=t.client._infoHashBinary;e.peer_id=t.client._peerIdBinary;if(e.numWant>10)e.numWant=10;t._generateOffers(e.numWant,function(r){e.offers=r;if(t._trackerId){e.trackerid=t._trackerId}t._send(e)})};d.prototype.scrape=function(e){var t=this;if(t.destroyed)return;t._onSocketError(new Error("scrape not supported "+t._announceUrl))};d.prototype.setInterval=function(e){var t=this;clearInterval(t._interval);t._intervalMs=e;if(e){var r=t.announce.bind(t,t.client._defaultAnnounceOpts());t._interval=setInterval(r,t._intervalMs)}};d.prototype.destroy=function(){var e=this;if(e.destroyed)return;e.destroyed=true;e._socket.removeListener("data",e._onSocketDataBound);e._socket.removeListener("close",e._onSocketCloseBound);e._socket.removeListener("error",e._onSocketErrorBound);e._onSocketErrorBound=null;e._onSocketDataBound=null;e._onSocketCloseBound=null;e._socket.on("error",h);try{e._socket.close()}catch(t){}e._socket=null};d.prototype._openSocket=function(){var e=this;e._onSocketErrorBound=e._onSocketError.bind(e);e._onSocketDataBound=e._onSocketData.bind(e);e._onSocketCloseBound=e._onSocketClose.bind(e);e._socket=u[e._announceUrl];if(!e._socket){e._socket=u[e._announceUrl]=new f(e._announceUrl)}e._socket.on("data",e._onSocketDataBound);e._socket.on("close",e._onSocketCloseBound);e._socket.on("error",e._onSocketErrorBound)};d.prototype._onSocketData=function(e){var t=this;if(t.destroyed)return;if(!(typeof e==="object"&&e!==null)){return t.client.emit("warning",new Error("Invalid tracker response"))}if(e.info_hash!==t.client._infoHashBinary){i("ignoring websocket data from %s for %s (looking for %s: reused socket)",t._announceUrl,l.binaryToHex(e.info_hash),t.client._infoHashHex);return}if(e.peer_id&&e.peer_id===t.client._peerIdBinary){return}i("received %s from %s for %s",JSON.stringify(e),t._announceUrl,t.client._infoHashHex);var r=e["failure reason"];if(r)return t.client.emit("warning",new Error(r));var n=e["warning message"];if(n)t.client.emit("warning",new Error(n));var a=e.interval||e["min interval"];if(a&&!t._opts.interval&&t._intervalMs!==0){t.setInterval(a*1e3)}var s=e["tracker id"];if(s){t._trackerId=s}if(e.complete){t.client.emit("update",{announce:t._announceUrl,complete:e.complete,incomplete:e.incomplete})}var f;if(e.offer&&e.peer_id){f=new o({trickle:false,config:t.client._rtcConfig,wrtc:t.client._wrtc});f.id=l.binaryToHex(e.peer_id);f.once("signal",function(r){var i={info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,to_peer_id:e.peer_id,answer:r,offer_id:e.offer_id};if(t._trackerId)i.trackerid=t._trackerId;t._send(i)});f.signal(e.offer);t.client.emit("peer",f)}if(e.answer&&e.peer_id){f=t._peers[l.binaryToHex(e.offer_id)];if(f){f.id=l.binaryToHex(e.peer_id);f.signal(e.answer);t.client.emit("peer",f)}else{i("got unexpected answer: "+JSON.stringify(e.answer))}}};d.prototype._onSocketClose=function(){var e=this;if(e.destroyed)return;e.destroy();e._startReconnectTimer()};d.prototype._onSocketError=function(e){var t=this;if(t.destroyed)return;t.destroy();t.client.emit("warning",e);t._startReconnectTimer()};d.prototype._startReconnectTimer=function(){var e=this;var t=Math.floor(Math.random()*c)+p;setTimeout(function(){e.destroyed=false;e._openSocket()},t);i("reconnecting socket in %s ms",t)};d.prototype._send=function(e){var t=this;if(t.destroyed)return;var r=JSON.stringify(e);i("send %s",r);t._socket.send(r)};d.prototype._generateOffers=function(e,t){var r=this;var n=[];i("generating %s offers",e);for(var s=0;s<e;++s){f()}function f(){var e=a(160);var t=r._peers[e]=new o({initiator:true,trickle:false,config:r.client._rtcConfig,wrtc:r.client._wrtc});t.once("signal",function(t){n.push({offer:t,offer_id:l.hexToBinary(e)});u()})}function u(){if(n.length===e){i("generated %s offers",e);t(n)}}};function h(){}},{"./common":185,debug:187,events:70,hat:190,inherits:191,"simple-peer":194,"simple-websocket":206}],187:[function(e,t,r){arguments[4][138][0].apply(r,arguments)},{"./debug":188,dup:138}],188:[function(e,t,r){arguments[4][23][0].apply(r,arguments)},{dup:23,ms:189}],189:[function(e,t,r){arguments[4][140][0].apply(r,arguments)},{dup:140}],190:[function(e,t,r){arguments[4][146][0].apply(r,arguments)},{dup:146}],191:[function(e,t,r){arguments[4][25][0].apply(r,arguments)},{dup:25}],192:[function(e,t,r){arguments[4][33][0].apply(r,arguments)},{dup:33}],193:[function(e,t,r){arguments[4][37][0].apply(r,arguments)},{dup:37,wrappy:192}],194:[function(e,t,r){(function(r){t.exports=c;var i=e("debug")("simple-peer");var n=e("get-browser-rtc");var a=e("hat");var s=e("inherits");var o=e("is-typedarray");var f=e("once");var l=e("stream");var u=e("typedarray-to-buffer");s(c,l.Duplex);function c(e){var t=this;if(!(t instanceof c))return new c(e);t._debug("new peer %o",e);if(!e)e={};e.allowHalfOpen=false;if(e.highWaterMark==null)e.highWaterMark=1024*1024;l.Duplex.call(t,e);t.initiator=e.initiator||false;t.channelConfig=e.channelConfig||c.channelConfig;t.channelName=e.channelName||a(160);if(!e.initiator)t.channelName=null;t.config=e.config||c.config;t.constraints=e.constraints||c.constraints;t.reconnectTimer=e.reconnectTimer||0;t.sdpTransform=e.sdpTransform||function(e){return e};t.stream=e.stream||false;t.trickle=e.trickle!==undefined?e.trickle:true;t.destroyed=false;t.connected=false;t.remoteAddress=undefined;t.remoteFamily=undefined;t.remotePort=undefined;t.localAddress=undefined;t.localPort=undefined;t._wrtc=e.wrtc||n();if(!t._wrtc){if(typeof window==="undefined"){throw new Error("No WebRTC support: Specify `opts.wrtc` option in this environment")}else{throw new Error("No WebRTC support: Not a supported browser")}}t._maxBufferedAmount=e.highWaterMark;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._chunk=null;t._cb=null;t._interval=null;t._reconnectTimeout=null;t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints);t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t);t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t);t._pc.onicecandidate=t._onIceCandidate.bind(t);if(t.stream)t._pc.addStream(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)});t._pc.onnegotiationneeded=f(t._createOffer.bind(t));if(typeof window==="undefined"||!window.webkitRTCPeerConnection){t._pc.onnegotiationneeded()}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){setTimeout(function(){t._destroy()},100)}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}})}c.WEBRTC_SUPPORT=!!n();c.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};c.constraints={};c.channelConfig={};Object.defineProperty(c.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});c.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};c.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if(typeof e==="string"){try{e=JSON.parse(e)}catch(r){e={}}}t._debug("signal()");if(e.sdp){t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){if(t.destroyed)return;if(t._pc.remoteDescription.type==="offer")t._createAnswer()},t._onError.bind(t))}if(e.candidate){try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e.candidate),p,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: "+r.message))}}if(!e.sdp&&!e.candidate){t._destroy(new Error("signal() called with invalid signal data"))}};c.prototype.send=function(e){var t=this;if(!o.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}if(r.isBuffer(e)&&!o.strict(e)){e=new Uint8Array(e)}var i=e.length||e.byteLength||e.size;t._channel.send(e);t._debug("write: %d bytes",i)};c.prototype.destroy=function(e){var t=this;t._destroy(null,e)};c.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.readable=r.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;r._chunk=null;r._cb=null;clearInterval(r._interval);clearTimeout(r._reconnectTimeout);if(r._pc){try{r._pc.close()}catch(e){}r._pc.oniceconnectionstatechange=null;r._pc.onsignalingstatechange=null;r._pc.onicecandidate=null}if(r._channel){try{r._channel.close()}catch(e){}r._channel.onmessage=null;r._channel.onopen=null;r._channel.onclose=null}r._pc=null;r._channel=null;if(e)r.emit("error",e);r.emit("close")};c.prototype._setupData=function(e){var t=this;t._channel=e.channel;t.channelName=t._channel.label;t._channel.binaryType="arraybuffer";t._channel.onmessage=t._onChannelMessage.bind(t);t._channel.onopen=t._onChannelOpen.bind(t);t._channel.onclose=t._onChannelClose.bind(t)};c.prototype._read=function(){};c.prototype._write=function(e,t,r){var i=this;if(i.destroyed)return r(new Error("cannot write after peer is destroyed"));if(i.connected){try{i.send(e)}catch(n){return i._onError(n)}if(i._channel.bufferedAmount>i._maxBufferedAmount){i._debug("start backpressure: bufferedAmount %d",i._channel.bufferedAmount);i._cb=r}else{r(null)}}else{i._debug("write before connect");i._chunk=e;i._cb=r}};c.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.offerConstraints)};c.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.answerConstraints)};c.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,r);e.emit("iceConnectionStateChange",t,r);if(r==="connected"||r==="completed"){clearTimeout(e._reconnectTimeout);e._pcReady=true;e._maybeReady()}if(r==="disconnected"){if(e.reconnectTimer){clearTimeout(e._reconnectTimeout);e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)}else{e._destroy()}}if(r==="closed"){e._destroy()}};c.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(e.connected||e._connecting||!e._pcReady||!e._channelReady)return;e._connecting=true;if(typeof window!=="undefined"&&!!window.mozRTCPeerConnection){e._pc.getStats(null,function(e){var r=[];e.forEach(function(e){r.push(e)});t(r)},e._onError.bind(e))}else{e._pc.getStats(function(e){var r=[];e.result().forEach(function(e){var t={};e.names().forEach(function(r){t[r]=e.stat(r)});t.id=e.id;t.type=e.type;t.timestamp=e.timestamp;r.push(t)});t(r)})}function t(t){t.forEach(function(t){if(t.type==="remotecandidate"){e.remoteAddress=t.ipAddress;e.remoteFamily="IPv4";e.remotePort=Number(t.portNumber);e._debug("connect remote: %s:%s (%s)",e.remoteAddress,e.remotePort,e.remoteFamily)}else if(t.type==="localcandidate"&&t.candidateType==="host"){e.localAddress=t.ipAddress;e.localPort=Number(t.portNumber);e._debug("connect local: %s:%s",e.localAddress,e.localPort)}});e._connecting=false;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(r){return e._onError(r)}e._chunk=null;e._debug('sent chunk from "write before connect"');var i=e._cb;e._cb=null;i(null)}e._interval=setInterval(function(){if(!e._cb||!e._channel||e._channel.bufferedAmount>e._maxBufferedAmount)return;e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref();e._debug("connect");e.emit("connect")}};c.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e._debug("signalingStateChange %s",e._pc.signalingState);e.emit("signalingStateChange",e._pc.signalingState)};c.prototype._onIceCandidate=function(e){var t=this;if(t.destroyed)return;if(e.candidate&&t.trickle){t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}})}else if(!e.candidate){t._iceComplete=true;t.emit("_iceComplete")}};c.prototype._onChannelMessage=function(e){var t=this;if(t.destroyed)return;var r=e.data;t._debug("read: %d bytes",r.byteLength||r.length);if(r instanceof ArrayBuffer){r=u(new Uint8Array(r));t.push(r)}else{try{r=JSON.parse(r)}catch(i){}t.emit("data",r)}};c.prototype._onChannelOpen=function(){var e=this;if(e.connected||e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};c.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e._destroy()};c.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};c.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t._destroy(e)};c.prototype._debug=function(){var e=this;var t=[].slice.call(arguments);var r=e.channelName&&e.channelName.substring(0,7);t[0]="["+r+"] "+t[0];i.apply(null,t)};function p(){}}).call(this,e("buffer").Buffer)},{buffer:66,debug:195,"get-browser-rtc":198,hat:199,inherits:200,"is-typedarray":201,once:203,stream:94,"typedarray-to-buffer":204}],195:[function(e,t,r){arguments[4][138][0].apply(r,arguments)},{"./debug":196,dup:138}],196:[function(e,t,r){arguments[4][23][0].apply(r,arguments)},{dup:23,ms:197}],197:[function(e,t,r){arguments[4][140][0].apply(r,arguments)},{dup:140}],198:[function(e,t,r){t.exports=function i(){if(typeof window==="undefined")return null;var e={RTCPeerConnection:window.mozRTCPeerConnection||window.RTCPeerConnection||window.webkitRTCPeerConnection,RTCSessionDescription:window.mozRTCSessionDescription||window.RTCSessionDescription||window.webkitRTCSessionDescription,RTCIceCandidate:window.mozRTCIceCandidate||window.RTCIceCandidate||window.webkitRTCIceCandidate};if(!e.RTCPeerConnection)return null;return e}},{}],199:[function(e,t,r){arguments[4][146][0].apply(r,arguments)},{dup:146}],200:[function(e,t,r){arguments[4][25][0].apply(r,arguments)},{dup:25}],201:[function(e,t,r){t.exports=a;a.strict=s;a.loose=o;var i=Object.prototype.toString;var n={"[object Int8Array]":true,"[object Int16Array]":true,"[object Int32Array]":true,"[object Uint8Array]":true,"[object Uint8ClampedArray]":true,"[object Uint16Array]":true,"[object Uint32Array]":true,"[object Float32Array]":true,"[object Float64Array]":true};function a(e){return s(e)||o(e)}function s(e){return e instanceof Int8Array||e instanceof Int16Array||e instanceof Int32Array||e instanceof Uint8Array||e instanceof Uint8ClampedArray||e instanceof Uint16Array||e instanceof Uint32Array||e instanceof Float32Array||e instanceof Float64Array}function o(e){return n[i.call(e)]}},{}],202:[function(e,t,r){arguments[4][33][0].apply(r,arguments)},{dup:33}],203:[function(e,t,r){arguments[4][37][0].apply(r,arguments)},{dup:37,wrappy:202}],204:[function(e,t,r){arguments[4][120][0].apply(r,arguments)},{buffer:66,dup:120,"is-typedarray":205}],205:[function(e,t,r){arguments[4][201][0].apply(r,arguments)},{dup:201}],206:[function(e,t,r){(function(r){t.exports=u;var i=e("debug")("simple-websocket");var n=e("inherits");var a=e("is-typedarray");var s=e("stream");var o=e("typedarray-to-buffer");var f=e("ws");var l=typeof window!=="undefined"?window.WebSocket:f;n(u,s.Duplex);function u(e,t){var r=this;if(!(r instanceof u))return new u(e,t);if(!t)t={};i("new websocket: %s %o",e,t);t.allowHalfOpen=false;if(t.highWaterMark==null)t.highWaterMark=1024*1024;s.Duplex.call(r,t);r.url=e;r.connected=false;r.destroyed=false;r._maxBufferedAmount=t.highWaterMark;r._chunk=null;r._cb=null;r._interval=null;r._ws=new l(r.url);r._ws.binaryType="arraybuffer";r._ws.onopen=r._onOpen.bind(r);r._ws.onmessage=r._onMessage.bind(r);r._ws.onclose=r._onClose.bind(r);r._ws.onerror=function(){r._onError(new Error("connection error to "+r.url))};r.on("finish",function(){if(r.connected){setTimeout(function(){r._destroy()},100)}else{r.once("connect",function(){setTimeout(function(){r._destroy()},100)})}})}u.prototype.send=function(e){var t=this;if(!a.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}var n=e.length||e.byteLength||e.size;t._ws.send(e);i("write: %d bytes",n)};u.prototype.destroy=function(e){var t=this;t._destroy(null,e)};u.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);i("destroy (error: %s)",e&&e.message);this.readable=this.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.connected=false;r.destroyed=true;clearInterval(r._interval);r._interval=null;r._chunk=null;r._cb=null;if(r._ws){try{r._ws.close()}catch(e){}r._ws.onopen=null;r._ws.onmessage=null;r._ws.onclose=null;r._ws.onerror=null}r._ws=null;if(e)r.emit("error",e);r.emit("close")};u.prototype._read=function(){};u.prototype._write=function(e,t,r){var n=this;if(n.destroyed)return r(new Error("cannot write after socket is destroyed"));if(n.connected){try{n.send(e)}catch(a){return n._onError(a)}if(typeof f!=="function"&&n._ws.bufferedAmount>n._maxBufferedAmount){i("start backpressure: bufferedAmount %d",n._ws.bufferedAmount);n._cb=r}else{r(null)}}else{i("write before connect");n._chunk=e;n._cb=r}};u.prototype._onMessage=function(e){var t=this;if(t.destroyed)return;var n=e.data;i("read: %d bytes",n.byteLength||n.length);if(n instanceof ArrayBuffer){n=o(new Uint8Array(n));t.push(n)}else if(r.isBuffer(n)){t.push(n)}else{try{n=JSON.parse(n)}catch(a){}t.emit("data",n)}};u.prototype._onOpen=function(){var e=this;if(e.connected||e.destroyed)return;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(t){return e._onError(t)}e._chunk=null;i('sent chunk from "write before connect"');var r=e._cb;e._cb=null;r(null)}if(typeof f!=="function"){e._interval=setInterval(function(){if(!e._cb||!e._ws||e._ws.bufferedAmount>e._maxBufferedAmount){
+return}i("ending backpressure: bufferedAmount %d",e._ws.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref()}i("connect");e.emit("connect")};u.prototype._onClose=function(){var e=this;if(e.destroyed)return;i("on close");e._destroy()};u.prototype._onError=function(e){var t=this;if(t.destroyed)return;i("error: %s",e.message||e);t._destroy(e)}}).call(this,e("buffer").Buffer)},{buffer:66,debug:207,inherits:210,"is-typedarray":211,stream:94,"typedarray-to-buffer":212,ws:52}],207:[function(e,t,r){arguments[4][138][0].apply(r,arguments)},{"./debug":208,dup:138}],208:[function(e,t,r){arguments[4][23][0].apply(r,arguments)},{dup:23,ms:209}],209:[function(e,t,r){arguments[4][140][0].apply(r,arguments)},{dup:140}],210:[function(e,t,r){arguments[4][25][0].apply(r,arguments)},{dup:25}],211:[function(e,t,r){arguments[4][201][0].apply(r,arguments)},{dup:201}],212:[function(e,t,r){arguments[4][120][0].apply(r,arguments)},{buffer:66,dup:120,"is-typedarray":213}],213:[function(e,t,r){arguments[4][201][0].apply(r,arguments)},{dup:201}],214:[function(e,t,r){t.exports=i;function i(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r){if(r.hasOwnProperty(i)){e[i]=r[i]}}}return e}},{}],215:[function(e,t,r){arguments[4][138][0].apply(r,arguments)},{"./debug":216,dup:138}],216:[function(e,t,r){arguments[4][23][0].apply(r,arguments)},{dup:23,ms:217}],217:[function(e,t,r){arguments[4][140][0].apply(r,arguments)},{dup:140}],218:[function(e,t,r){arguments[4][25][0].apply(r,arguments)},{dup:25}],219:[function(e,t,r){arguments[4][174][0].apply(r,arguments)},{dup:174,events:70}],220:[function(e,t,r){arguments[4][214][0].apply(r,arguments)},{dup:214}],221:[function(e,t,r){arguments[4][162][0].apply(r,arguments)},{dup:162}],222:[function(e,t,r){(function(r){var i=e("bencode");var n=e("bitfield");var a=e("events").EventEmitter;var s=e("inherits");var o=e("simple-sha1");var f=1e7;var l=1e3;var u=16*1024;t.exports=function(e){s(t,a);function t(t){a.call(this);this._wire=t;this._metadataComplete=false;this._metadataSize=null;this._remainingRejects=null;this._fetching=false;this._bitfield=new n(0,{grow:l});if(r.isBuffer(e)){this.setMetadata(e)}}t.prototype.name="ut_metadata";t.prototype.onHandshake=function(e,t,r){this._infoHash=e;this._infoHashHex=e.toString("hex")};t.prototype.onExtendedHandshake=function(e){if(!e.m||!e.m.ut_metadata){return this.emit("warning",new Error("Peer does not support ut_metadata"))}if(!e.metadata_size){return this.emit("warning",new Error("Peer does not have metadata"))}if(e.metadata_size>f){return this.emit("warning",new Error("Peer gave maliciously large metadata size"))}this._metadataSize=e.metadata_size;this._numPieces=Math.ceil(this._metadataSize/u);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var n=e.toString();var a=n.indexOf("ee")+2;t=i.decode(n.substring(0,a));r=e.slice(a)}catch(s){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,r,t.total_size);break;case 2:this._onReject(t.piece);break}};t.prototype.fetch=function(){if(this._metadataComplete){return}this._fetching=true;if(this._metadataSize){this._requestPieces()}};t.prototype.cancel=function(){this._fetching=false};t.prototype.setMetadata=function(e){if(this._metadataComplete)return true;try{var t=i.decode(e).info;if(t){e=i.encode(t)}}catch(r){}if(this._infoHashHex&&this._infoHashHex!==o.sync(e)){return false}this.cancel();this.metadata=e;this._metadataComplete=true;this._metadataSize=this.metadata.length;this._wire.extendedHandshake.metadata_size=this._metadataSize;this.emit("metadata",i.encode({info:i.decode(this.metadata)}));return true};t.prototype._send=function(e,t){var n=i.encode(e);if(r.isBuffer(t)){n=r.concat([n,t])}this._wire.extended("ut_metadata",n)};t.prototype._request=function(e){this._send({msg_type:0,piece:e})};t.prototype._data=function(e,t,r){var i={msg_type:1,piece:e};if(typeof r==="number"){i.total_size=r}this._send(i,t)};t.prototype._reject=function(e){this._send({msg_type:2,piece:e})};t.prototype._onRequest=function(e){if(!this._metadataComplete){this._reject(e);return}var t=e*u;var r=t+u;if(r>this._metadataSize){r=this._metadataSize}var i=this.metadata.slice(t,r);this._data(e,i,this._metadataSize)};t.prototype._onData=function(e,t,r){if(t.length>u){return}t.copy(this.metadata,e*u);this._bitfield.set(e);this._checkDone()};t.prototype._onReject=function(e){if(this._remainingRejects>0&&this._fetching){this._request(e);this._remainingRejects-=1}else{this.emit("warning",new Error('Peer sent "reject" too much'))}};t.prototype._requestPieces=function(){this.metadata=new r(this._metadataSize);for(var e=0;e<this._numPieces;e++){this._request(e)}};t.prototype._checkDone=function(){var e=true;for(var t=0;t<this._numPieces;t++){if(!this._bitfield.get(t)){e=false;break}}if(!e)return;var r=this.setMetadata(this.metadata);if(!r){this._failedMetadata()}};t.prototype._failedMetadata=function(){this._bitfield=new n(0,{grow:l});this._remainingRejects-=this._numPieces;if(this._remainingRejects>0){this._requestPieces()}else{this.emit("warning",new Error("Peer sent invalid metadata"))}};return t}}).call(this,e("buffer").Buffer)},{bencode:223,bitfield:227,buffer:66,events:70,inherits:228,"simple-sha1":229}],223:[function(e,t,r){arguments[4][17][0].apply(r,arguments)},{"./lib/decode":224,"./lib/encode":226,dup:17}],224:[function(e,t,r){arguments[4][18][0].apply(r,arguments)},{"./dict":225,buffer:66,dup:18}],225:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{dup:19}],226:[function(e,t,r){arguments[4][20][0].apply(r,arguments)},{buffer:66,dup:20}],227:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{buffer:66,dup:10}],228:[function(e,t,r){arguments[4][25][0].apply(r,arguments)},{dup:25}],229:[function(e,t,r){arguments[4][136][0].apply(r,arguments)},{dup:136,rusha:230}],230:[function(e,t,r){arguments[4][137][0].apply(r,arguments)},{dup:137}],231:[function(e,t,r){var i=function(e,t,r){this._byteOffset=t||0;if(e instanceof ArrayBuffer){this.buffer=e}else if(typeof e=="object"){this.dataView=e;if(t){this._byteOffset+=t}}else{this.buffer=new ArrayBuffer(e||0)}this.position=0;this.endianness=r==null?i.LITTLE_ENDIAN:r};t.exports=i;i.prototype={};i.prototype.save=function(e){var t=new Blob([this.buffer]);var r=window.webkitURL||window.URL;if(r&&r.createObjectURL){var i=r.createObjectURL(t);var n=document.createElement("a");n.setAttribute("href",i);n.setAttribute("download",e);n.click();r.revokeObjectURL(i)}else{throw"DataStream.save: Can't create object URL."}};i.BIG_ENDIAN=false;i.LITTLE_ENDIAN=true;i.prototype._dynamicSize=true;Object.defineProperty(i.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){if(!e){this._trimAlloc()}this._dynamicSize=e}});i.prototype._byteLength=0;Object.defineProperty(i.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}});Object.defineProperty(i.prototype,"buffer",{get:function(){this._trimAlloc();return this._buffer},set:function(e){this._buffer=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(i.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(i.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset;this._buffer=e.buffer;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._byteOffset+e.byteLength}});i.prototype._realloc=function(e){if(!this._dynamicSize){return}var t=this._byteOffset+this.position+e;var r=this._buffer.byteLength;if(t<=r){if(t>this._byteLength){this._byteLength=t}return}if(r<1){r=1}while(t>r){r*=2}var i=new ArrayBuffer(r);var n=new Uint8Array(this._buffer);var a=new Uint8Array(i,0,n.length);a.set(n);this.buffer=i;this._byteLength=t};i.prototype._trimAlloc=function(){if(this._byteLength==this._buffer.byteLength){return}var e=new ArrayBuffer(this._byteLength);var t=new Uint8Array(e);var r=new Uint8Array(this._buffer,0,t.length);t.set(r);this.buffer=e};i.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e);var r=new Uint8Array(t);var i=new Uint8Array(this._buffer,e,r.length);r.set(i);this.buffer=t;this.position-=e};i.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t};i.prototype.isEof=function(){return this.position>=this._byteLength};i.prototype.mapInt32Array=function(e,t){this._realloc(e*4);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);i.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};i.prototype.mapInt16Array=function(e,t){this._realloc(e*2);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);i.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};i.prototype.mapInt8Array=function(e){this._realloc(e*1);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};i.prototype.mapUint32Array=function(e,t){this._realloc(e*4);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);i.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};i.prototype.mapUint16Array=function(e,t){this._realloc(e*2);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);i.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};i.prototype.mapUint8Array=function(e){this._realloc(e*1);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};i.prototype.mapFloat64Array=function(e,t){this._realloc(e*8);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);i.arrayToNative(r,t==null?this.endianness:t);this.position+=e*8;return r};i.prototype.mapFloat32Array=function(e,t){this._realloc(e*4);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);i.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};i.prototype.readInt32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Int32Array(e);i.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);i.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};i.prototype.readInt16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Int16Array(e);i.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);i.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};i.prototype.readInt8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Int8Array(e);i.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};i.prototype.readUint32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Uint32Array(e);i.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);i.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};i.prototype.readUint16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Uint16Array(e);i.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);i.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};i.prototype.readUint8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Uint8Array(e);i.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};i.prototype.readFloat64Array=function(e,t){e=e==null?this.byteLength-this.position/8:e;var r=new Float64Array(e);i.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);i.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};i.prototype.readFloat32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Float32Array(e);i.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);i.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};i.prototype.writeInt32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){i.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt32Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeInt32(e[r],t)}}};i.prototype.writeInt16Array=function(e,t){this._realloc(e.length*2);if(e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){i.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt16Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeInt16(e[r],t)}}};i.prototype.writeInt8Array=function(e){this._realloc(e.length*1);if(e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){i.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt8Array(e.length)}else{for(var t=0;t<e.length;t++){this.writeInt8(e[t])}}};i.prototype.writeUint32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){i.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapUint32Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeUint32(e[r],t)}}};i.prototype.writeUint16Array=function(e,t){this._realloc(e.length*2);if(e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){i.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapUint16Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeUint16(e[r],t)}}};i.prototype.writeUint8Array=function(e){this._realloc(e.length*1);if(e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){i.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapUint8Array(e.length)}else{for(var t=0;t<e.length;t++){this.writeUint8(e[t])}}};i.prototype.writeFloat64Array=function(e,t){this._realloc(e.length*8);if(e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){i.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapFloat64Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeFloat64(e[r],t)}}};i.prototype.writeFloat32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){i.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapFloat32Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeFloat32(e[r],t)}}};i.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,e==null?this.endianness:e);this.position+=4;return t};i.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,e==null?this.endianness:e);this.position+=2;return t};i.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);this.position+=1;return e};i.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,e==null?this.endianness:e);this.position+=4;return t};i.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,e==null?this.endianness:e);this.position+=2;return t};i.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);this.position+=1;return e};i.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,e==null?this.endianness:e);this.position+=4;return t};i.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,e==null?this.endianness:e);this.position+=8;return t};i.prototype.writeInt32=function(e,t){this._realloc(4);this._dataView.setInt32(this.position,e,t==null?this.endianness:t);this.position+=4};i.prototype.writeInt16=function(e,t){this._realloc(2);this._dataView.setInt16(this.position,e,t==null?this.endianness:t);this.position+=2};i.prototype.writeInt8=function(e){this._realloc(1);this._dataView.setInt8(this.position,e);this.position+=1};i.prototype.writeUint32=function(e,t){this._realloc(4);this._dataView.setUint32(this.position,e,t==null?this.endianness:t);this.position+=4};i.prototype.writeUint16=function(e,t){this._realloc(2);this._dataView.setUint16(this.position,e,t==null?this.endianness:t);this.position+=2};i.prototype.writeUint8=function(e){this._realloc(1);this._dataView.setUint8(this.position,e);this.position+=1};i.prototype.writeFloat32=function(e,t){this._realloc(4);this._dataView.setFloat32(this.position,e,t==null?this.endianness:t);this.position+=4};i.prototype.writeFloat64=function(e,t){this._realloc(8);this._dataView.setFloat64(this.position,e,t==null?this.endianness:t);this.position+=8};i.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0;i.memcpy=function(e,t,r,i,n){var a=new Uint8Array(e,t,n);var s=new Uint8Array(r,i,n);a.set(s)};i.arrayToNative=function(e,t){if(t==this.endianness){return e}else{return this.flipArrayEndianness(e)}};i.nativeToEndian=function(e,t){if(this.endianness==t){return e}else{return this.flipArrayEndianness(e)}};i.flipArrayEndianness=function(e){var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength);for(var r=0;r<e.byteLength;r+=e.BYTES_PER_ELEMENT){for(var i=r+e.BYTES_PER_ELEMENT-1,n=r;i>n;i--,n++){var a=t[n];t[n]=t[i];t[i]=a}}return e};i.prototype.failurePosition=0;i.prototype.readStruct=function(e){var t={},r,i,n;var a=this.position;for(var s=0;s<e.length;s+=2){r=e[s+1];i=this.readType(r,t);if(i==null){if(this.failurePosition===0){this.failurePosition=this.position}this.position=a;return null}t[e[s]]=i}return t};i.prototype.readUCS2String=function(e,t){return String.fromCharCode.apply(null,this.readUint16Array(e,t))};i.prototype.writeUCS2String=function(e,t,r){if(r==null){r=e.length}for(var i=0;i<e.length&&i<r;i++){this.writeUint16(e.charCodeAt(i),t)}for(;i<r;i++){this.writeUint16(0)}};i.prototype.readString=function(e,t){if(t==null||t=="ASCII"){return String.fromCharCode.apply(null,this.mapUint8Array(e==null?this.byteLength-this.position:e))}else{return new TextDecoder(t).decode(this.mapUint8Array(e))}};i.prototype.writeString=function(e,t,r){var i=0;if(t==null||t=="ASCII"){if(r!=null){var n=Math.min(e.length,r);for(i=0;i<n;i++){this.writeUint8(e.charCodeAt(i))}for(;i<r;i++){this.writeUint8(0)}}else{for(i=0;i<e.length;i++){this.writeUint8(e.charCodeAt(i))}}}else{this.writeUint8Array(new TextEncoder(t).encode(e.substring(0,r)))}};i.prototype.readCString=function(e){var t=this.byteLength-this.position;var r=new Uint8Array(this._buffer,this._byteOffset+this.position);var i=t;if(e!=null){i=Math.min(e,t)}for(var n=0;n<i&&r[n]!==0;n++);var a=String.fromCharCode.apply(null,this.mapUint8Array(n));if(e!=null){this.position+=i-n}else if(n!=t){this.position+=1}return a};i.prototype.writeCString=function(e,t){var r=0;if(t!=null){var i=Math.min(e.length,t);for(r=0;r<i;r++){this.writeUint8(e.charCodeAt(r))}for(;r<t;r++){this.writeUint8(0)}}else{for(r=0;r<e.length;r++){this.writeUint8(e.charCodeAt(r))}this.writeUint8(0)}};i.prototype.readType=function(e,t){if(typeof e=="function"){return e(this,t)}else if(typeof e=="object"&&!(e instanceof Array)){return e.get(this,t)}else if(e instanceof Array&&e.length!=3){return this.readStruct(e,t)}var r=null;var n=null;var a="ASCII";var s=this.position;var o;var f;var l;if(typeof e=="string"&&/:/.test(e)){o=e.split(":");e=o[0];n=parseInt(o[1])}if(typeof e=="string"&&/,/.test(e)){o=e.split(",");e=o[0];a=parseInt(o[1])}switch(e){case"uint8":r=this.readUint8();break;case"int8":r=this.readInt8();break;case"uint16":r=this.readUint16(this.endianness);break;case"int16":r=this.readInt16(this.endianness);break;case"uint32":r=this.readUint32(this.endianness);break;case"int32":r=this.readInt32(this.endianness);break;case"float32":r=this.readFloat32(this.endianness);break;case"float64":r=this.readFloat64(this.endianness);break;case"uint16be":r=this.readUint16(i.BIG_ENDIAN);break;case"int16be":r=this.readInt16(i.BIG_ENDIAN);break;case"uint32be":r=this.readUint32(i.BIG_ENDIAN);break;case"int32be":r=this.readInt32(i.BIG_ENDIAN);break;case"float32be":r=this.readFloat32(i.BIG_ENDIAN);break;case"float64be":r=this.readFloat64(i.BIG_ENDIAN);break;case"uint16le":r=this.readUint16(i.LITTLE_ENDIAN);break;case"int16le":r=this.readInt16(i.LITTLE_ENDIAN);break;case"uint32le":r=this.readUint32(i.LITTLE_ENDIAN);break;case"int32le":r=this.readInt32(i.LITTLE_ENDIAN);break;case"float32le":r=this.readFloat32(i.LITTLE_ENDIAN);break;case"float64le":r=this.readFloat64(i.LITTLE_ENDIAN);break;case"cstring":r=this.readCString(n);break;case"string":r=this.readString(n,a);break;case"u16string":r=this.readUCS2String(n,this.endianness);break;case"u16stringle":r=this.readUCS2String(n,i.LITTLE_ENDIAN);break;case"u16stringbe":r=this.readUCS2String(n,i.BIG_ENDIAN);break;default:if(e.length==3){var u=e[1];var c=e[2];var p=0;if(typeof c=="function"){p=c(t,this,e)}else if(typeof c=="string"&&t[c]!=null){p=parseInt(t[c])}else{p=parseInt(c)}if(typeof u=="string"){var d=u.replace(/(le|be)$/,"");var h=null;if(/le$/.test(u)){h=i.LITTLE_ENDIAN}else if(/be$/.test(u)){h=i.BIG_ENDIAN}if(c=="*"){p=null}switch(d){case"uint8":r=this.readUint8Array(p);break;case"uint16":r=this.readUint16Array(p,h);break;case"uint32":r=this.readUint32Array(p,h);break;case"int8":r=this.readInt8Array(p);break;case"int16":r=this.readInt16Array(p,h);break;case"int32":r=this.readInt32Array(p,h);break;case"float32":r=this.readFloat32Array(p,h);break;case"float64":r=this.readFloat64Array(p,h);break;case"cstring":case"utf16string":case"string":if(p==null){r=[];while(!this.isEof()){l=this.readType(u,t);if(l==null)break;r.push(l)}}else{r=new Array(p);for(f=0;f<p;f++){r[f]=this.readType(u,t)}}break}}else{if(c=="*"){r=[];var m=this.buffer;while(true){var v=this.position;try{var g=this.readType(u,t);if(g==null){this.position=v;break}r.push(g)}catch(_){this.position=v;break}}}else{r=new Array(p);for(f=0;f<p;f++){l=this.readType(u,t);if(l==null)return null;r[f]=l}}}break}}if(n!=null){this.position=s+n}return r};i.prototype.writeStruct=function(e,t){for(var r=0;r<e.length;r+=2){var i=e[r+1];this.writeType(i,t[e[r]],t)}};i.prototype.writeType=function(e,t,r){var n;if(typeof e=="function"){return e(this,t)}else if(typeof e=="object"&&!(e instanceof Array)){return e.set(this,t,r)}var a=null;var s="ASCII";var o=this.position;if(typeof e=="string"&&/:/.test(e)){n=e.split(":");e=n[0];a=parseInt(n[1])}if(typeof e=="string"&&/,/.test(e)){n=e.split(",");e=n[0];s=parseInt(n[1])}switch(e){case"uint8":this.writeUint8(t);break;case"int8":this.writeInt8(t);break;case"uint16":this.writeUint16(t,this.endianness);break;case"int16":this.writeInt16(t,this.endianness);break;case"uint32":this.writeUint32(t,this.endianness);break;case"int32":this.writeInt32(t,this.endianness);break;case"float32":this.writeFloat32(t,this.endianness);break;case"float64":this.writeFloat64(t,this.endianness);break;case"uint16be":this.writeUint16(t,i.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,i.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,i.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,i.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,i.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,i.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,i.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,i.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,i.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,i.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,i.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,i.LITTLE_ENDIAN);break;case"cstring":this.writeCString(t,a);break;case"string":this.writeString(t,s,a);break;case"u16string":this.writeUCS2String(t,this.endianness,a);break;case"u16stringle":this.writeUCS2String(t,i.LITTLE_ENDIAN,a);break;case"u16stringbe":this.writeUCS2String(t,i.BIG_ENDIAN,a);break;default:if(e.length==3){var f=e[1];for(var l=0;l<t.length;l++){this.writeType(f,t[l])}break}else{this.writeStruct(e,t);break}}if(a!=null){this.position=o;this._realloc(a);this.position=o+a}};var n=Math.pow(2,32);r.MAX_SIZE=n;i.prototype.readUint64=function(){return this.readUint32()*n+this.readUint32()};i.prototype.writeUint64=function(e){var t=Math.floor(e/n);this.writeUint32(t);this.writeUint32(e&4294967295)};i.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()};i.prototype.writeUint24=function(e){this.writeUint8((e&16711680)>>16);this.writeUint8((e&65280)>>8);this.writeUint8(e&255)};i.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e);this.writeUint32(t);this.seek(r)}},{}],232:[function(e,t,r){var n=e("./DataStream");var a=e("./descriptor");var s=e("./log");var o={ERR_NOT_ENOUGH_DATA:0,OK:1,boxCodes:["mdat","avcC","hvcC","ftyp","payl","vmhd","smhd","hmhd","dref","elst"],fullBoxCodes:["mvhd","tkhd","mdhd","hdlr","smhd","hmhd","nhmd","url ","urn ","ctts","cslg","stco","co64","stsc","stss","stsz","stz2","stts","stsh","mehd","trex","mfhd","tfhd","trun","tfdt","esds","subs","txtC"],containerBoxCodes:[["moov",["trak"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl"],["mvex",["trex"]],["moof",["traf"]],["traf",["trun"]],["vttc"],["tref"]],sampleEntryCodes:[{prefix:"Visual",types:["mp4v","avc1","avc2","avc3","avc4","avcp","drac","encv","mjp2","mvc1","mvc2","resv","s263","svc1","vc-1","hvc1","hev1"]},{prefix:"Audio",types:["mp4a","ac-3","alac","dra1","dtsc","dtse",,"dtsh","dtsl","ec-3","enca","g719","g726","m4ae","mlpa","raw ","samr","sawb","sawp","sevc","sqcp","ssmv","twos"]},{prefix:"Hint",types:["fdp ","m2ts","pm2t","prtp","rm2t","rrtp","rsrp","rtp ","sm2t","srtp"]},{prefix:"Metadata",types:["metx","mett","urim"]},{prefix:"Subtitle",types:["stpp","wvtt","sbtt","tx3g","stxt"]}],trackReferenceTypes:["scal"],initialize:function(){var e,t;var r;o.FullBox.prototype=new o.Box;o.ContainerBox.prototype=new o.Box;o.stsdBox.prototype=new o.FullBox;o.SampleEntry.prototype=new o.FullBox;o.TrackReferenceTypeBox.prototype=new o.Box;r=o.boxCodes.length;for(e=0;e<r;e++){o[o.boxCodes[e]+"Box"]=function(e){return function(t){o.Box.call(this,o.boxCodes[e],t)}}(e);o[o.boxCodes[e]+"Box"].prototype=new o.Box}r=o.fullBoxCodes.length;for(e=0;e<r;e++){o[o.fullBoxCodes[e]+"Box"]=function(e){return function(t){o.FullBox.call(this,o.fullBoxCodes[e],t)}}(e);o[o.fullBoxCodes[e]+"Box"].prototype=new o.FullBox}r=o.containerBoxCodes.length;for(e=0;e<r;e++){o[o.containerBoxCodes[e][0]+"Box"]=function(e,t){return function(r){o.ContainerBox.call(this,o.containerBoxCodes[e][0],r);if(t){this.subBoxNames=t;var i=t.length;for(var n=0;n<i;n++){this[t[n]+"s"]=[]}}}}(e,o.containerBoxCodes[e][1]);o[o.containerBoxCodes[e][0]+"Box"].prototype=new o.ContainerBox}r=o.sampleEntryCodes.length;for(t=0;t<r;t++){var i=o.sampleEntryCodes[t].prefix;var n=o.sampleEntryCodes[t].types;var a=n.length;o[i+"SampleEntry"]=function(e,t){o.SampleEntry.call(this,e,t)};o[i+"SampleEntry"].prototype=new o.SampleEntry;for(e=0;e<a;e++){o[n[e]+"Box"]=function(e,t){return function(r){o[o.sampleEntryCodes[e].prefix+"SampleEntry"].call(this,o.sampleEntryCodes[e].types[t],r)}}(t,e);o[n[e]+"Box"].prototype=new o[i+"SampleEntry"]}}r=o.trackReferenceTypes.length;for(e=0;e<r;e++){o[o.trackReferenceTypes[e]+"Box"]=function(e){return function(t){o.TrackReferenceTypeBox.call(this,o.trackReferenceTypes[e],t)}}(e);o[o.trackReferenceTypes[e]+"Box"].prototype=new o.Box}},Box:function(e,t){this.type=e;this.size=t},FullBox:function(e,t){o.Box.call(this,e,t);this.flags=0;this.version=0},ContainerBox:function(e,t){o.Box.call(this,e,t);this.boxes=[]},SampleEntry:function(e,t){o.Box.call(this,e,t);this.boxes=[]},TrackReferenceTypeBox:function(e,t){o.Box.call(this,e,t);this.track_ids=[]},stsdBox:function(e){o.FullBox.call(this,"stsd",e);this.entries=[]},parseOneBox:function(e,t){var r;var i=e.position;var n=0;if(e.byteLength-e.position<8){s.d("BoxParser","Not enough data in stream to parse the type and size of the box");return{code:o.ERR_NOT_ENOUGH_DATA}}var a=e.readUint32();var f=e.readString(4);s.d("BoxParser","Found box of type "+f+" and size "+a+" at position "+i+" in the current buffer ("+(e.buffer.fileStart+i)+" in the file)");n=8;if(a==1){if(e.byteLength-e.position<8){e.seek(i);s.w("BoxParser",'Not enough data in stream to parse the extended size of the "'+f+'" box');return{code:o.ERR_NOT_ENOUGH_DATA}}a=e.readUint64();n+=8}else if(a===0){throw"Unlimited box size not supported"}if(i+a>e.byteLength){e.seek(i);s.w("BoxParser",'Not enough data in stream to parse the entire "'+f+'" box');return{code:o.ERR_NOT_ENOUGH_DATA,type:f,size:a,hdr_size:n}}if(o[f+"Box"]){r=new o[f+"Box"](a-n)}else{if(t){r=new o.SampleEntry(f,a-n)}else{r=new o.Box(f,a-n)}}r.hdr_size=n;r.start=i;r.fileStart=i+e.buffer.fileStart;r.parse(e);e.seek(i+a);return{code:o.OK,box:r,size:a}}};t.exports=o;o.initialize();o.Box.prototype.parse=function(e){if(this.type!="mdat"){this.data=e.readUint8Array(this.size)}else{e.seek(this.start+this.size+this.hdr_size)}};o.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8();this.flags=e.readUint24();this.size-=4};o.ContainerBox.prototype.parse=function(e){var t;var r;var i;i=e.position;while(e.position<i+this.size){t=o.parseOneBox(e);r=t.box;this.boxes.push(r);if(this.subBoxNames&&this.subBoxNames.indexOf(r.type)!=-1){this[this.subBoxNames+"s"].push(r)}else{this[r.type]=r}}};o.SampleEntry.prototype.isVideo=function(){return false};o.SampleEntry.prototype.isAudio=function(){return false};o.SampleEntry.prototype.isSubtitle=function(){return false};o.SampleEntry.prototype.isMetadata=function(){return false};o.SampleEntry.prototype.isHint=function(){return false};o.SampleEntry.prototype.getCodec=function(){return this.type};o.SampleEntry.prototype.getWidth=function(){return""};o.SampleEntry.prototype.getHeight=function(){return""};o.SampleEntry.prototype.getChannelCount=function(){return""};o.SampleEntry.prototype.getSampleRate=function(){return""};o.SampleEntry.prototype.getSampleSize=function(){return""};o.SampleEntry.prototype.parseHeader=function(e){this.start=e.position;e.readUint8Array(6);this.data_reference_index=e.readUint16()};o.SampleEntry.prototype.parse=function(e){this.parseHeader(e);e.seek(this.start+this.size)};o.SampleEntry.prototype.parseFooter=function(e){var t;var r;while(e.position<this.start+this.size){t=o.parseOneBox(e,false);r=t.box;this.boxes.push(r);this[r.type]=r}};o.VisualSampleEntry.prototype.parse=function(e){this.parseHeader(e);e.readUint16();e.readUint16();e.readUint32Array(3);this.width=e.readUint16();this.height=e.readUint16();this.horizresolution=e.readUint32();this.vertresolution=e.readUint32();e.readUint32();this.frame_count=e.readUint16();this.compressorname=e.readString(32);this.depth=e.readUint16();e.readUint16();this.parseFooter(e)};o.VisualSampleEntry.prototype.isVideo=function(){return true};o.VisualSampleEntry.prototype.getWidth=function(){return this.width};o.VisualSampleEntry.prototype.getHeight=function(){return this.height};o.AudioSampleEntry.prototype.parse=function(e){this.parseHeader(e);e.readUint32Array(2);this.channel_count=e.readUint16();this.samplesize=e.readUint16();e.readUint16();e.readUint16();this.samplerate=e.readUint32()/(1<<16);this.parseFooter(e)};o.AudioSampleEntry.prototype.isAudio=function(){return true};o.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count};o.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate};o.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize};o.SubtitleSampleEntry.prototype.parse=function(e){this.parseHeader(e);this.parseFooter(e)};o.SubtitleSampleEntry.prototype.isSubtitle=function(){return true};o.MetadataSampleEntry.prototype.parse=function(e){this.parseHeader(e);this.parseFooter(e)};o.MetadataSampleEntry.prototype.isMetadata=function(){
+return true};o.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint8Array(this.size)};o.metxBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.namespace=e.readCString();this.schema_location=e.readCString();this.parseFooter(e)};o.mettBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.mime_format=e.readCString();this.parseFooter(e)};o.sbttBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.mime_format=e.readCString();this.parseFooter(e)};o.stxtBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.mime_format=e.readCString();this.parseFooter(e)};o.stppBox.prototype.parse=function(e){this.parseHeader(e);this.namespace=e.readCString();this.schema_location=e.readCString();this.auxiliary_mime_types=e.readCString();this.parseFooter(e)};o.tx3gBox.prototype.parse=function(e){this.parseHeader(e);this.displayFlags=e.readUint32();this.horizontal_justification=e.readInt8();this.vertical_justification=e.readInt8();this.bg_color_rgba=e.readUint8Array(4);this.box_record=e.readInt16Array(4);this.style_record=e.readUint8Array(12);this.parseFooter(e)};o.ftypBox.prototype.parse=function(e){this.major_brand=e.readString(4);this.minor_version=e.readUint32();this.size-=8;this.compatible_brands=[];var t=0;while(this.size>=4){this.compatible_brands[t]=e.readString(4);this.size-=4;t++}};o.mvhdBox.prototype.parse=function(e){this.flags=0;this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.rate=e.readUint32();this.volume=e.readUint16()>>8;e.readUint16();e.readUint32Array(2);this.matrix=e.readUint32Array(9);e.readUint32Array(6);this.next_track_id=e.readUint32()};o.TKHD_FLAG_ENABLED=1;o.TKHD_FLAG_IN_MOVIE=2;o.TKHD_FLAG_IN_PREVIEW=4;o.tkhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint32()}e.readUint32Array(2);this.layer=e.readInt16();this.alternate_group=e.readInt16();this.volume=e.readInt16()>>8;e.readUint16();this.matrix=e.readInt32Array(9);this.width=e.readUint32();this.height=e.readUint32()};o.mdhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.language=e.readUint16();var t=[];t[0]=this.language>>10&31;t[1]=this.language>>5&31;t[2]=this.language&31;this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96);e.readUint16()};o.hdlrBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version===0){e.readUint32();this.handler=e.readString(4);e.readUint32Array(3);this.name=e.readCString()}else{this.data=e.readUint8Array(size)}};o.stsdBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);r=e.readUint32();for(i=1;i<=r;i++){t=o.parseOneBox(e,true);this.entries.push(t.box)}};o.avcCBox.prototype.parse=function(e){var t;var r;var i;this.configurationVersion=e.readUint8();this.AVCProfileIndication=e.readUint8();this.profile_compatibility=e.readUint8();this.AVCLevelIndication=e.readUint8();this.lengthSizeMinusOne=e.readUint8()&3;r=e.readUint8()&31;this.size-=6;this.SPS=new Array(r);for(t=0;t<r;t++){i=e.readUint16();this.SPS[t]=e.readUint8Array(i);this.size-=2+i}r=e.readUint8();this.size--;this.PPS=new Array(r);for(t=0;t<r;t++){i=e.readUint16();this.PPS[t]=e.readUint8Array(i);this.size-=2+i}if(this.size>0){this.ext=e.readUint8Array(this.size)}};o.hvcCBox.prototype.parse=function(e){var t;var r;var i;var n;this.configurationVersion=e.readUint8();n=e.readUint8();this.general_profile_space=n>>6;this.general_tier_flag=(n&32)>>5;this.general_profile_idc=n&31;this.general_profile_compatibility=e.readUint32();this.general_constraint_indicator=e.readUint8Array(6);this.general_level_idc=e.readUint8();this.min_spatial_segmentation_idc=e.readUint16()&4095;this.parallelismType=e.readUint8()&3;this.chromaFormat=e.readUint8()&3;this.bitDepthLumaMinus8=e.readUint8()&7;this.bitDepthChromaMinus8=e.readUint8()&7;this.avgFrameRate=e.readUint16();n=e.readUint8();this.constantFrameRate=n>>6;this.numTemporalLayers=(n&13)>>3;this.temporalIdNested=(n&4)>>2;this.lengthSizeMinusOne=n&3;this.nalu_arrays=[];numOfArrays=e.readUint8();for(t=0;t<numOfArrays;t++){var a=[];this.nalu_arrays.push(a);n=e.readUint8();a.completeness=(n&128)>>7;a.nalu_type=n&63;numNalus=e.readUint16();for(j=0;j<numNalus;j++){var s={};a.push(s);i=e.readUint16();s.data=e.readUint8Array(i)}}};function f(e,t){var r=Number(e).toString(16);t=typeof t==="undefined"||t===null?t=2:t;while(r.length<t){r="0"+r}return r}o.avc1Box.prototype.getCodec=function(){var e=o.SampleEntry.prototype.getCodec.call(this);if(this.avcC){return e+"."+f(this.avcC.AVCProfileIndication)+""+f(this.avcC.profile_compatibility)+""+f(this.avcC.AVCLevelIndication)}else{return e}};o.hvc1Box.prototype.getCodec=function(){var e;var t=o.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){t+=".";switch(this.hvcC.general_profile_space){case 0:t+="";break;case 1:t+="A";break;case 2:t+="B";break;case 3:t+="C";break}t+=this.hvcC.general_profile_idc;t+=".";var r=this.hvcC.general_profile_compatibility;var i=0;for(e=0;e<32;e++){i|=r&1;if(e==31)break;i<<=1;r>>=1}t+=f(i,0);t+=".";if(this.hvcC.general_tier_flag===0){t+="L"}else{t+="H"}t+=this.hvcC.general_level_idc;var n=false;var a="";for(e=5;e>=0;e--){if(this.hvcC.general_constraint_indicator[e]||n){a="."+f(this.hvcC.general_constraint_indicator[e],0)+a;n=true}}t+=a}return t};o.mp4aBox.prototype.getCodec=function(){var e=o.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI();var r=this.esds.esd.getAudioConfig();return e+"."+f(t)+(r?"."+r:"")}else{return e}};o.esdsBox.prototype.parse=function(e){this.parseFullHeader(e);this.data=e.readUint8Array(this.size);this.size=0;var t=new a;this.esd=t.parseOneDescriptor(new n(this.data.buffer,0,n.BIG_ENDIAN))};o.txtCBox.prototype.parse=function(e){this.parseFullHeader(e);this.config=e.readCString()};o.cttsBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.sample_counts=[];this.sample_offsets=[];if(this.version===0){for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());this.sample_offsets.push(e.readInt32())}}else if(this.version==1){for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());this.sample_offsets.push(e.readInt32())}}else{this.data=e.readUint8Array(this.size-4)}};o.cttsBox.prototype.unpack=function(e){var t,r,i;i=0;for(t=0;t<this.sample_counts.length;t++){for(r=0;r<this.sample_counts[t];r++){e[i].pts=e[i].dts+this.sample_offsets[t];i++}}};o.cslgBox.prototype.parse=function(e){var t;this.parseFullHeader(e);if(this.version===0){this.compositionToDTSShift=e.readInt32();this.leastDecodeToDisplayDelta=e.readInt32();this.greatestDecodeToDisplayDelta=e.readInt32();this.compositionStartTime=e.readInt32();this.compositionEndTime=e.readInt32()}else{this.data=e.readUint8Array(this.size-4)}};o.sttsBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.sample_counts=[];this.sample_deltas=[];if(this.version===0){for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());this.sample_deltas.push(e.readUint32())}}else{this.data=e.readUint8Array(this.size-4)}};o.sttsBox.prototype.unpack=function(e){var t,r,i;i=0;for(t=0;t<this.sample_counts.length;t++){for(r=0;r<this.sample_counts[t];r++){if(i===0){e[i].dts=0}else{e[i].dts=e[i-1].dts+this.sample_deltas[t]}i++}}};o.stssBox.prototype.parse=function(e){var t;this.parseFullHeader(e);t=e.readUint32();if(this.version===0){this.sample_numbers=e.readUint32Array(t)}else{this.data=e.readUint8Array(this.size-4)}};o.stshBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.shadowed_sample_numbers=[];this.sync_sample_numbers=[];if(this.version===0){for(r=0;r<t;r++){this.shadowed_sample_numbers.push(e.readUint32());this.sync_sample_numbers.push(e.readUint32())}}else{this.data=e.readUint8Array(this.size-4)}};o.stcoBox.prototype.parse=function(e){var t;this.parseFullHeader(e);t=e.readUint32();if(this.version===0){this.chunk_offsets=e.readUint32Array(t)}else{this.data=e.readUint8Array(this.size-4)}};o.stcoBox.prototype.unpack=function(e){var t;for(t=0;t<this.chunk_offsets.length;t++){e[t].offset=this.chunk_offsets[t]}};o.co64Box.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.chunk_offsets=[];if(this.version===0){for(r=0;r<t;r++){this.chunk_offsets.push(e.readUint64())}}else{this.data=e.readUint8Array(this.size-4)}};o.stscBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.first_chunk=[];this.samples_per_chunk=[];this.sample_description_index=[];if(this.version===0){for(r=0;r<t;r++){this.first_chunk.push(e.readUint32());this.samples_per_chunk.push(e.readUint32());this.sample_description_index.push(e.readUint32())}}else{this.data=e.readUint8Array(this.size-4)}};o.stscBox.prototype.unpack=function(e){var t,r,i,n,a;n=0;a=0;for(t=0;t<this.first_chunk.length;t++){for(r=0;r<(t+1<this.first_chunk.length?this.first_chunk[t+1]:Infinity);r++){a++;for(i=0;i<this.samples_per_chunk[t];i++){if(e[n]){e[n].description_index=this.sample_description_index[t];e[n].chunk_index=a}else{return}n++}}}};o.stszBox.prototype.parse=function(e){var t;var r;var i;this.parseFullHeader(e);this.sample_sizes=[];if(this.version===0){r=e.readUint32();i=e.readUint32();if(r===0){this.sample_sizes=e.readUint32Array(i)}else{this.sample_sizes=[];for(t=0;t<i;t++){this.sample_sizes[t]=r}}}else{this.data=e.readUint8Array(this.size)}};o.stszBox.prototype.unpack=function(e){var t;for(t=0;t<this.sample_sizes.length;t++){e[t].size=this.sample_sizes[t]}};o.mehdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.fragment_duration=e.readUint64()}else{this.fragment_duration=e.readUint32()}};o.trexBox.prototype.parse=function(e){this.parseFullHeader(e);this.track_id=e.readUint32();this.default_sample_description_index=e.readUint32();this.default_sample_duration=e.readUint32();this.default_sample_size=e.readUint32();this.default_sample_flags=e.readUint32()};o.mfhdBox.prototype.parse=function(e){this.parseFullHeader(e);this.sequence_number=e.readUint32()};o.TFHD_FLAG_BASE_DATA_OFFSET=1;o.TFHD_FLAG_SAMPLE_DESC=2;o.TFHD_FLAG_SAMPLE_DUR=8;o.TFHD_FLAG_SAMPLE_SIZE=16;o.TFHD_FLAG_SAMPLE_FLAGS=32;o.TFHD_FLAG_DUR_EMPTY=65536;o.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072;o.tfhdBox.prototype.parse=function(e){var t=0;this.parseFullHeader(e);this.track_id=e.readUint32();if(this.size>t&&this.flags&o.TFHD_FLAG_BASE_DATA_OFFSET){this.base_data_offset=e.readUint64();t+=8}else{this.base_data_offset=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_DESC){this.default_sample_description_index=e.readUint32();t+=4}else{this.default_sample_description_index=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_DUR){this.default_sample_duration=e.readUint32();t+=4}else{this.default_sample_duration=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_SIZE){this.default_sample_size=e.readUint32();t+=4}else{this.default_sample_size=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_FLAGS){this.default_sample_flags=e.readUint32();t+=4}else{this.default_sample_flags=0}};o.TRUN_FLAGS_DATA_OFFSET=1;o.TRUN_FLAGS_FIRST_FLAG=4;o.TRUN_FLAGS_DURATION=256;o.TRUN_FLAGS_SIZE=512;o.TRUN_FLAGS_FLAGS=1024;o.TRUN_FLAGS_CTS_OFFSET=2048;o.trunBox.prototype.parse=function(e){var t=0;this.parseFullHeader(e);this.sample_count=e.readUint32();t+=4;if(this.size>t&&this.flags&o.TRUN_FLAGS_DATA_OFFSET){this.data_offset=e.readInt32();t+=4}else{this.data_offset=0}if(this.size>t&&this.flags&o.TRUN_FLAGS_FIRST_FLAG){this.first_sample_flags=e.readUint32();t+=4}else{this.first_sample_flags=0}this.sample_duration=[];this.sample_size=[];this.sample_flags=[];this.sample_composition_time_offset=[];if(this.size>t){for(var r=0;r<this.sample_count;r++){if(this.flags&o.TRUN_FLAGS_DURATION){this.sample_duration[r]=e.readUint32()}if(this.flags&o.TRUN_FLAGS_SIZE){this.sample_size[r]=e.readUint32()}if(this.flags&o.TRUN_FLAGS_FLAGS){this.sample_flags[r]=e.readUint32()}if(this.flags&o.TRUN_FLAGS_CTS_OFFSET){if(this.version===0){this.sample_composition_time_offset[r]=e.readUint32()}else{this.sample_composition_time_offset[r]=e.readInt32()}}}}};o.tfdtBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.baseMediaDecodeTime=e.readUint64()}else{this.baseMediaDecodeTime=e.readUint32()}};o.paylBox.prototype.parse=function(e){this.text=e.readString(this.size)};o.subsBox.prototype.parse=function(e){var t,r;var i;var n;this.parseFullHeader(e);i=e.readUint32();this.samples=[];for(t=0;t<i;t++){var a={};this.samples[t]=a;a.sample_delta=e.readUint32();a.subsamples=[];n=e.readUint16();if(n>0){for(r=0;r<n;r++){var s={};a.subsamples.push(s);if(this.version==1){s.size=e.readUint32()}else{s.size=e.readUint16()}s.priority=e.readUint8();s.discardable=e.readUint8();s.reserved=e.readUint32()}}}};o.Box.prototype.writeHeader=function(e,t){this.size+=8;if(this.size>n.MAX_SIZE){this.size+=8}s.d("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.position+(t||""));if(this.size>n.MAX_SIZE){e.writeUint32(1)}else{this.sizePosition=e.position;e.writeUint32(this.size)}e.writeString(this.type,null,4);if(this.size>n.MAX_SIZE){e.writeUint64(this.size)}};o.FullBox.prototype.writeHeader=function(e){this.size+=4;o.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags);e.writeUint8(this.version);e.writeUint24(this.flags)};o.Box.prototype.write=function(e){if(this.type==="mdat"){if(this.data){this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}}else{this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}};o.ContainerBox.prototype.write=function(e){this.size=0;this.writeHeader(e);for(var t=0;t<this.boxes.length;t++){if(this.boxes[t]){this.boxes[t].write(e);this.size+=this.boxes[t].size}}s.d("BoxWriter","Adjusting box "+this.type+" with new size "+this.size);e.adjustUint32(this.sizePosition,this.size)};o.TrackReferenceTypeBox.prototype.write=function(e){this.size=this.track_ids.length*4;this.writeHeader(e);e.writeUint32Array(this.track_ids)};o.ftypBox.prototype.write=function(e){this.size=8+4*this.compatible_brands.length;this.writeHeader(e);e.writeString(this.major_brand,null,4);e.writeUint32(this.minor_version);for(var t=0;t<this.compatible_brands.length;t++){e.writeString(this.compatible_brands[t],null,4)}};o.mvhdBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=23*4+2*2;this.writeHeader(e);e.writeUint32(this.creation_time);e.writeUint32(this.modification_time);e.writeUint32(this.timescale);e.writeUint32(this.duration);e.writeUint32(this.rate);e.writeUint16(this.volume<<8);e.writeUint16(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32Array(this.matrix);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(this.next_track_id)};o.tkhdBox.prototype.write=function(e){this.version=0;this.size=4*18+2*4;this.writeHeader(e);e.writeUint32(this.creation_time);e.writeUint32(this.modification_time);e.writeUint32(this.track_id);e.writeUint32(0);e.writeUint32(this.duration);e.writeUint32(0);e.writeUint32(0);e.writeInt16(this.layer);e.writeInt16(this.alternate_group);e.writeInt16(this.volume<<8);e.writeUint16(0);e.writeInt32Array(this.matrix);e.writeUint32(this.width);e.writeUint32(this.height)};o.mdhdBox.prototype.write=function(e){this.size=4*4+2*2;this.flags=0;this.version=0;this.writeHeader(e);e.writeUint32(this.creation_time);e.writeUint32(this.modification_time);e.writeUint32(this.timescale);e.writeUint32(this.duration);e.writeUint16(this.language);e.writeUint16(0)};o.hdlrBox.prototype.write=function(e){this.size=5*4+this.name.length+1;this.version=0;this.flags=0;this.writeHeader(e);e.writeUint32(0);e.writeString(this.handler,null,4);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeCString(this.name)};o.stsdBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=0;this.writeHeader(e);e.writeUint32(this.entries.length);this.size+=4;for(t=0;t<this.entries.length;t++){this.entries[t].write(e);this.size+=this.entries[t].size}s.d("BoxWriter","Adjusting box "+this.type+" with new size "+this.size);e.adjustUint32(this.sizePosition,this.size)};o.SampleEntry.prototype.writeHeader=function(e){this.size=8;o.Box.prototype.writeHeader.call(this,e);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint16(this.data_reference_index)};o.SampleEntry.prototype.writeFooter=function(e){for(var t=0;t<this.boxes.length;t++){this.boxes[t].write(e);this.size+=this.boxes[t].size}s.d("BoxWriter","Adjusting box "+this.type+" with new size "+this.size);e.adjustUint32(this.sizePosition,this.size)};o.SampleEntry.prototype.write=function(e){this.writeHeader(e);this.writeFooter(e)};o.VisualSampleEntry.prototype.write=function(e){this.writeHeader(e);this.size+=2*7+6*4+32;e.writeUint16(0);e.writeUint16(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint16(this.width-this.width%2);e.writeUint16(this.height-this.height%2);e.writeUint32(this.horizresolution);e.writeUint32(this.vertresolution);e.writeUint32(0);e.writeUint16(this.frame_count);e.writeString(this.compressorname,null,32);e.writeUint16(this.depth);e.writeInt16(-1);this.writeFooter(e)};o.AudioSampleEntry.prototype.write=function(e){this.writeHeader(e);this.size+=2*4+3*4;e.writeUint32(0);e.writeUint32(0);e.writeUint16(this.channel_count);e.writeUint16(this.samplesize);e.writeUint16(0);e.writeUint16(0);e.writeUint32(this.samplerate<<16);this.writeFooter(e)};o.avcCBox.prototype.write=function(e){var t;this.size=7;for(t=0;t<this.SPS.length;t++){this.size+=2+this.SPS[t].length}for(t=0;t<this.PPS.length;t++){this.size+=2+this.PPS[t].length}if(this.ext){this.size+=this.ext.length}this.writeHeader(e);e.writeUint8(this.configurationVersion);e.writeUint8(this.AVCProfileIndication);e.writeUint8(this.profile_compatibility);e.writeUint8(this.AVCLevelIndication);e.writeUint8(this.lengthSizeMinusOne+(63<<2));e.writeUint8(this.SPS.length+(7<<5));for(t=0;t<this.SPS.length;t++){e.writeUint16(this.SPS[t].length);e.writeUint8Array(this.SPS[t])}e.writeUint8(this.PPS.length);for(t=0;t<this.PPS.length;t++){e.writeUint16(this.PPS[t].length);e.writeUint8Array(this.PPS[t])}if(this.ext){e.writeUint8Array(this.ext)}};o.cttsBox.prototype.write=function(e){var t;this.version=1;this.flags=0;this.size=4+8*this.sample_counts.length;this.writeHeader(e);e.writeUint32(this.sample_counts.length);for(t=0;t<this.sample_counts.length;t++){e.writeUint32(this.sample_counts[t]);e.writeInt32(this.sample_offsets[t])}};o.cslgBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4*5;this.writeHeader(e);e.writeInt32(this.compositionToDTSShift);e.writeInt32(this.leastDecodeToDisplayDelta);e.writeInt32(this.greatestDecodeToDisplayDelta);e.writeInt32(this.compositionStartTime);e.writeInt32(this.compositionEndTime)};o.sttsBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+8*this.sample_counts.length;this.writeHeader(e);e.writeUint32(this.sample_counts.length);for(t=0;t<this.sample_counts.length;t++){e.writeUint32(this.sample_counts[t]);e.writeUint32(this.sample_deltas[t])}};o.stssBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4+4*this.sample_numbers.length;this.writeHeader(e);e.writeUint32(this.sample_numbers.length);e.writeUint32Array(this.sample_numbers)};o.stshBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+8*this.shadowed_sample_numbers.length;this.writeHeader(e);e.writeUint32(this.shadowed_sample_numbers.length);for(t=0;t<this.shadowed_sample_numbers.length;t++){e.writeUint32(this.shadowed_sample_numbers[t]);e.writeUint32(this.sync_sample_numbers[t])}};o.stcoBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4+4*this.chunk_offsets.length;this.writeHeader(e);e.writeUint32(this.chunk_offsets.length);e.writeUint32Array(this.chunk_offsets)};o.co64Box.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+8*this.chunk_offsets.length;this.writeHeader(e);e.writeUint32(this.chunk_offsets.length);for(t=0;t<this.chunk_offsets.length;t++){e.writeUint64(this.chunk_offsets[t])}};o.stscBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+12*this.first_chunk.length;this.writeHeader(e);e.writeUint32(this.first_chunk.length);for(t=0;t<this.first_chunk.length;t++){e.writeUint32(this.first_chunk[t]);e.writeUint32(this.samples_per_chunk[t]);e.writeUint32(this.sample_description_index[t])}};o.stszBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=8+12*this.sample_sizes.length;this.writeHeader(e);e.writeUint32(0);e.writeUint32(this.sample_sizes.length);e.writeUint32Array(this.sample_sizes)};o.mehdBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4;this.writeHeader(e);e.writeUint32(this.fragment_duration)};o.trexBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4*5;this.writeHeader(e);e.writeUint32(this.track_id);e.writeUint32(this.default_sample_description_index);e.writeUint32(this.default_sample_duration);e.writeUint32(this.default_sample_size);e.writeUint32(this.default_sample_flags)};o.mfhdBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4;this.writeHeader(e);e.writeUint32(this.sequence_number)};o.tfhdBox.prototype.write=function(e){this.version=0;this.size=4;if(this.flags&o.TFHD_FLAG_BASE_OFFSET){this.size+=8}if(this.flags&o.TFHD_FLAG_SAMPLE_DESC){this.size+=4}if(this.flags&o.TFHD_FLAG_SAMPLE_DUR){this.size+=4}if(this.flags&o.TFHD_FLAG_SAMPLE_SIZE){this.size+=4}if(this.flags&o.TFHD_FLAG_SAMPLE_FLAGS){this.size+=4}this.writeHeader(e);e.writeUint32(this.track_id);if(this.flags&o.TFHD_FLAG_BASE_OFFSET){e.writeUint64(this.base_data_offset)}if(this.flags&o.TFHD_FLAG_SAMPLE_DESC){e.writeUint32(this.default_sample_description_index)}if(this.flags&o.TFHD_FLAG_SAMPLE_DUR){e.writeUint32(this.default_sample_duration)}if(this.flags&o.TFHD_FLAG_SAMPLE_SIZE){e.writeUint32(this.default_sample_size)}if(this.flags&o.TFHD_FLAG_SAMPLE_FLAGS){e.writeUint32(this.default_sample_flags)}};o.trunBox.prototype.write=function(e){this.version=0;this.size=4;if(this.flags&o.TRUN_FLAGS_DATA_OFFSET){this.size+=4}if(this.flags&o.TRUN_FLAGS_FIRST_FLAG){this.size+=4}if(this.flags&o.TRUN_FLAGS_DURATION){this.size+=4*this.sample_duration.length}if(this.flags&o.TRUN_FLAGS_SIZE){this.size+=4*this.sample_size.length}if(this.flags&o.TRUN_FLAGS_FLAGS){this.size+=4*this.sample_flags.length}if(this.flags&o.TRUN_FLAGS_CTS_OFFSET){this.size+=4*this.sample_composition_time_offset.length}this.writeHeader(e);e.writeUint32(this.sample_count);if(this.flags&o.TRUN_FLAGS_DATA_OFFSET){this.data_offset_position=e.position;e.writeInt32(this.data_offset)}if(this.flags&o.TRUN_FLAGS_FIRST_FLAG){e.writeUint32(this.first_sample_flags)}for(var t=0;t<this.sample_count;t++){if(this.flags&o.TRUN_FLAGS_DURATION){e.writeUint32(this.sample_duration[t])}if(this.flags&o.TRUN_FLAGS_SIZE){e.writeUint32(this.sample_size[t])}if(this.flags&o.TRUN_FLAGS_FLAGS){e.writeUint32(this.sample_flags[t])}if(this.flags&o.TRUN_FLAGS_CTS_OFFSET){if(this.version===0){e.writeUint32(this.sample_composition_time_offset[t])}else{e.writeInt32(this.sample_composition_time_offset[t])}}}};o.tfdtBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4;this.writeHeader(e);if(this.version==1){e.writeUint64(this.baseMediaDecodeTime)}else{e.writeUint32(this.baseMediaDecodeTime)}}},{"./DataStream":231,"./descriptor":233,"./log":235}],233:[function(e,t,r){var i=e("./log");var n=function(){var e=3;var t=4;var r=5;var n=6;var a=[];a[e]="ES_Descriptor";a[t]="DecoderConfigDescriptor";a[r]="DecoderSpecificInfo";a[n]="SLConfigDescriptor";var s=this;var o={};this.parseOneDescriptor=function(e){var t=0;var r=0;var n;var s;var f;n=e.readUint8();t++;f=e.readUint8();t++;while(f&128){r=(f&127)<<7;f=e.readUint8();t++}r+=f&127;i.d("MPEG4DescriptorParser","Found "+(a[n]|"Descriptor "+n)+", size "+r+" at position "+e.position);if(a[n]){s=new o[a[n]](r)}else{s=new o.Descriptor(r)}s.parse(e);return s};o.Descriptor=function(e,t){this.tag=e;this.size=t;this.descs=[]};o.Descriptor.prototype.parse=function(e){this.data=e.readUint8Array(this.size)};o.Descriptor.prototype.findDescriptor=function(e){for(var t=0;t<this.descs.length;t++){if(this.descs[t].tag==e){return this.descs[t]}}return null};o.Descriptor.prototype.parseRemainingDescriptors=function(e){var t=e.position;while(e.position<t+this.size){var r=s.parseOneDescriptor(e);this.descs.push(r)}};o.ES_Descriptor=function(t){o.Descriptor.call(this,e,t)};o.ES_Descriptor.prototype=new o.Descriptor;o.ES_Descriptor.prototype.parse=function(e){this.ES_ID=e.readUint16();this.flags=e.readUint8();this.size-=3;if(this.flags&128){this.dependsOn_ES_ID=e.readUint16();this.size-=2}else{this.dependsOn_ES_ID=0}if(this.flags&64){var t=e.readUint8();this.URL=e.readString(t);this.size-=t+1}else{this.URL=null}if(this.flags&32){this.OCR_ES_ID=e.readUint16();this.size-=2}else{this.OCR_ES_ID=0}this.parseRemainingDescriptors(e)};o.ES_Descriptor.prototype.getOTI=function(e){var r=this.findDescriptor(t);if(r){return r.oti}else{return 0}};o.ES_Descriptor.prototype.getAudioConfig=function(e){var i=this.findDescriptor(t);if(!i)return null;var n=i.findDescriptor(r);if(n&&n.data){return(n.data[0]&248)>>3}else{return null}};o.DecoderConfigDescriptor=function(e){o.Descriptor.call(this,t,e)};o.DecoderConfigDescriptor.prototype=new o.Descriptor;o.DecoderConfigDescriptor.prototype.parse=function(e){this.oti=e.readUint8();this.streamType=e.readUint8();this.bufferSize=e.readUint24();this.maxBitrate=e.readUint32();this.avgBitrate=e.readUint32();this.size-=13;this.parseRemainingDescriptors(e)};o.DecoderSpecificInfo=function(e){o.Descriptor.call(this,r,e)};o.DecoderSpecificInfo.prototype=new o.Descriptor;o.SLConfigDescriptor=function(e){o.Descriptor.call(this,n,e)};o.SLConfigDescriptor.prototype=new o.Descriptor;return this};t.exports=n},{"./log":235}],234:[function(e,t,r){var i=e("./box");var n=e("./DataStream");var a=e("./log");var s=function(e){this.stream=e;this.boxes=[];this.mdats=[];this.moofs=[];this.isProgressive=false;this.lastMoofIndex=0;this.lastBoxStartPosition=0;this.parsingMdat=null;this.moovStartFound=false;this.samplesDataSize=0;this.nextParsePosition=0};t.exports=s;s.prototype.mergeNextBuffer=function(){var e;if(this.stream.bufferIndex+1<this.stream.nextBuffers.length){e=this.stream.nextBuffers[this.stream.bufferIndex+1];if(e.fileStart===this.stream.buffer.fileStart+this.stream.buffer.byteLength){var t=this.stream.buffer.byteLength;var r=this.stream.buffer.usedBytes;var i=this.stream.buffer.fileStart;this.stream.nextBuffers[this.stream.bufferIndex]=ArrayBuffer.concat(this.stream.buffer,e);this.stream.buffer=this.stream.nextBuffers[this.stream.bufferIndex];this.stream.nextBuffers.splice(this.stream.bufferIndex+1,1);this.stream.buffer.usedBytes=r;this.stream.buffer.fileStart=i;a.d("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.stream.buffer.byteLength+")");return true}else{return false}}else{return false}};s.prototype.parse=function(){var e;var t;var r;a.d("ISOFile","Starting parsing with buffer #"+this.stream.bufferIndex+" (fileStart: "+this.stream.buffer.fileStart+" - Length: "+this.stream.buffer.byteLength+") from position "+this.lastBoxStartPosition+" ("+(this.stream.buffer.fileStart+this.lastBoxStartPosition)+" in the file)");this.stream.seek(this.lastBoxStartPosition);while(true){if(this.parsingMdat!==null){r=this.parsingMdat;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){a.d("ISOFile","Found 'mdat' end in buffer #"+this.stream.bufferIndex);this.parsingMdat=null;continue}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex);return}}else{this.lastBoxStartPosition=this.stream.position;t=i.parseOneBox(this.stream);if(t.code===i.ERR_NOT_ENOUGH_DATA){if(t.type==="mdat"){r=new i[t.type+"Box"](t.size-t.hdr_size);this.parsingMdat=r;this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+this.stream.position;r.hdr_size=t.hdr_size;this.stream.buffer.usedBytes+=t.hdr_size;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){this.parsingMdat=null;continue}else{if(!this.moovStartFound){this.nextParsePosition=r.fileStart+r.size+r.hdr_size}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex)}return}}else{if(t.type==="moov"){this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}}else if(t.type==="free"){e=this.reposition(false,this.stream.buffer.fileStart+this.stream.position+t.size);if(e){continue}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size;return}}merged=this.mergeNextBuffer();if(merged){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength;continue}else{if(!t.type){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{if(this.moovStartFound){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size}}return}}}else{r=t.box;this.boxes.push(r);switch(r.type){case"mdat":this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+r.start;break;case"moof":this.moofs.push(r);break;case"moov":this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}default:if(this[r.type]!==undefined){a.w("ISOFile","Duplicate Box of type: "+r.type+", overriding previous occurrence")}this[r.type]=r;break}if(r.type==="mdat"){this.stream.buffer.usedBytes+=r.hdr_size}else{this.stream.buffer.usedBytes+=t.size}}}}};s.prototype.reposition=function(e,t){var r;r=this.findPosition(e,t);if(r!==-1){this.stream.buffer=this.stream.nextBuffers[r];this.stream.bufferIndex=r;this.stream.position=t-this.stream.buffer.fileStart;a.d("ISOFile","Repositioning parser at buffer position: "+this.stream.position);return true}else{return false}};s.prototype.findPosition=function(e,t){var r;var i=null;var n=-1;if(e===true){r=0}else{r=this.stream.bufferIndex}while(r<this.stream.nextBuffers.length){i=this.stream.nextBuffers[r];if(i.fileStart<=t){n=r}else{break}r++}if(n!==-1){i=this.stream.nextBuffers[n];if(i.fileStart+i.byteLength>=t){a.d("ISOFile","Found position in existing buffer #"+n);return n}else{return-1}}else{return-1}};s.prototype.findEndContiguousBuf=function(e){var t;var r;var i;r=this.stream.nextBuffers[e];if(this.stream.nextBuffers.length>e+1){for(t=e+1;t<this.stream.nextBuffers.length;t++){i=this.stream.nextBuffers[t];if(i.fileStart===r.fileStart+r.byteLength){r=i}else{break}}}return r.fileStart+r.byteLength};s.prototype.write=function(e){for(var t=0;t<this.boxes.length;t++){this.boxes[t].write(e)}};s.prototype.writeInitializationSegment=function(e){var t;var r;var n;var s;var o;a.d("ISOFile","Generating initialization segment");this.ftyp.write(e);if(this.moov.mvex){this.initial_duration=this.moov.mvex.mehd.fragment_duration;r=-1;for(t=0;t<this.moov.boxes.length;t++){o=this.moov.boxes[t];if(o===this.moov.mvex){r=t}}if(r>-1){this.moov.boxes.splice(r,1)}this.moov.mvex=null}this.moov.mvex=new i.mvexBox;this.moov.boxes.push(this.moov.mvex);this.moov.mvex.mehd=new i.mehdBox;
+this.moov.mvex.boxes.push(this.moov.mvex.mehd);this.moov.mvex.mehd.fragment_duration=this.initial_duration;for(t=0;t<this.moov.traks.length;t++){if(this.moov.traks[t].ignore)continue;s=new i.trexBox;this.moov.mvex.boxes.push(s);s.track_id=this.moov.traks[t].tkhd.track_id;s.default_sample_description_index=1;s.default_sample_duration=this.moov.traks[t].samples.length>0?this.moov.traks[t].samples[0].duration:0;s.default_sample_size=0;s.default_sample_flags=1<<16}this.moov.write(e)};s.prototype.resetTables=function(){var e;var t,r,i,n,a,s,o,f;this.initial_duration=this.moov.mvhd.duration;this.moov.mvhd.duration=0;for(e=0;e<this.moov.traks.length;e++){t=this.moov.traks[e];t.tkhd.duration=0;t.mdia.mdhd.duration=0;r=t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64;r.chunk_offsets=[];i=t.mdia.minf.stbl.stsc;i.first_chunk=[];i.samples_per_chunk=[];i.sample_description_index=[];n=t.mdia.minf.stbl.stsz;n.sample_sizes=[];a=t.mdia.minf.stbl.stts;a.sample_counts=[];a.sample_deltas=[];s=t.mdia.minf.stbl.ctts;if(s){s.sample_counts=[];s.sample_offsets=[]}o=t.mdia.minf.stbl.stss;if(o){o.sample_numbers=new Uint32Array(0)}f=t.mdia.minf.stbl.sdtp;var l=t.mdia.minf.stbl.boxes.indexOf(f);if(l!=-1)t.mdia.minf.stbl.boxes[l]=null}};s.prototype.buildSampleLists=function(){var e,t,r;var i,n,a,s,o,f,l,u,c;var p,d,h,m,v;var g,_,y,b,w,x;this.originalMvex=this.moov.mvex;for(e=0;e<this.moov.traks.length;e++){i=this.moov.traks[e];i.samples=[];n=i.mdia.minf.stbl.stco||i.mdia.minf.stbl.co64;a=i.mdia.minf.stbl.stsc;s=i.mdia.minf.stbl.stsz;o=i.mdia.minf.stbl.stts;f=i.mdia.minf.stbl.ctts;l=i.mdia.minf.stbl.stss;u=i.mdia.minf.stbl.stsd;c=i.mdia.minf.stbl.subs;g=-1;_=-1;y=-1;b=-1;w=0;subs_entry_index=0;last_subs_sample_index=0;for(t=0;t<s.sample_sizes.length;t++){var k={};k.number=t;k.track_id=i.tkhd.track_id;k.timescale=i.mdia.mdhd.timescale;i.samples[t]=k;k.size=s.sample_sizes[t];if(t===0){d=1;p=0;k.chunk_index=d;k.chunk_run_index=p;v=a.samples_per_chunk[p];m=0;if(p+1<a.first_chunk.length){h=a.first_chunk[p+1]-1}else{h=Infinity}}else{if(t<v){k.chunk_index=d;k.chunk_run_index=p}else{d++;k.chunk_index=d;m=0;if(d<=h){}else{p++;if(p+1<a.first_chunk.length){h=a.first_chunk[p+1]-1}else{h=Infinity}}k.chunk_run_index=p;v+=a.samples_per_chunk[p]}}k.description=u.entries[a.sample_description_index[k.chunk_run_index]-1];k.offset=n.chunk_offsets[k.chunk_index-1]+m;m+=k.size;if(t>g){_++;if(g<0){g=0}g+=o.sample_counts[_]}if(t>0){i.samples[t-1].duration=o.sample_deltas[_];k.dts=i.samples[t-1].dts+i.samples[t-1].duration}else{k.dts=0}if(f){if(t>y){b++;y+=f.sample_counts[b]}k.cts=i.samples[t].dts+f.sample_offsets[b]}else{k.cts=k.dts}if(l){if(t==l.sample_numbers[w]-1){k.is_rap=true;w++}else{k.is_rap=false}}else{k.is_rap=true}if(c){if(c.samples[subs_entry_index].sample_delta+last_subs_sample_index==t){k.subsamples=c.samples[subs_entry_index].subsamples;last_subs_sample_index+=c.samples[subs_entry_index].sample_delta}}}if(t>0)i.samples[t-1].duration=i.mdia.mdhd.duration-i.samples[t-1].dts}};s.prototype.updateSampleLists=function(){var e,t,r;var n,a,s,o;var f;var l,u,c,p,d;var h;while(this.lastMoofIndex<this.moofs.length){l=this.moofs[this.lastMoofIndex];this.lastMoofIndex++;if(l.type=="moof"){u=l;for(e=0;e<u.trafs.length;e++){c=u.trafs[e];p=this.getTrackById(c.tfhd.track_id);d=this.getTrexById(c.tfhd.track_id);if(c.tfhd.flags&i.TFHD_FLAG_SAMPLE_DESC){n=c.tfhd.default_sample_description_index}else{n=d.default_sample_description_index}if(c.tfhd.flags&i.TFHD_FLAG_SAMPLE_DUR){a=c.tfhd.default_sample_duration}else{a=d.default_sample_duration}if(c.tfhd.flags&i.TFHD_FLAG_SAMPLE_SIZE){s=c.tfhd.default_sample_size}else{s=d.default_sample_size}if(c.tfhd.flags&i.TFHD_FLAG_SAMPLE_FLAGS){o=c.tfhd.default_sample_flags}else{o=d.default_sample_flags}for(t=0;t<c.truns.length;t++){var m=c.truns[t];for(r=0;r<m.sample_count;r++){h={};c.first_sample_index=p.samples.length;p.samples.push(h);h.track_id=p.tkhd.track_id;h.timescale=p.mdia.mdhd.timescale;h.description=p.mdia.minf.stbl.stsd.entries[n-1];h.size=s;if(m.flags&i.TRUN_FLAGS_SIZE){h.size=m.sample_size[r]}h.duration=a;if(m.flags&i.TRUN_FLAGS_DURATION){h.duration=m.sample_duration[r]}if(p.first_traf_merged||r>0){h.dts=p.samples[p.samples.length-2].dts+p.samples[p.samples.length-2].duration}else{if(c.tfdt){h.dts=c.tfdt.baseMediaDecodeTime}else{h.dts=0}p.first_traf_merged=true}h.cts=h.dts;if(m.flags&i.TRUN_FLAGS_CTS_OFFSET){h.cts=h.dts+m.sample_composition_time_offset[r]}sample_flags=o;if(m.flags&i.TRUN_FLAGS_FLAGS){sample_flags=m.sample_flags[r]}else if(r===0&&m.flags&i.TRUN_FLAGS_FIRST_FLAG){sample_flags=m.first_sample_flags}h.is_rap=sample_flags>>16&1?false:true;var v=c.tfhd.flags&i.TFHD_FLAG_BASE_DATA_OFFSET?true:false;var g=c.tfhd.flags&i.TFHD_FLAG_DEFAULT_BASE_IS_MOOF?true:false;var _=m.flags&i.TRUN_FLAGS_DATA_OFFSET?true:false;var y=0;if(!v){if(!g){if(t===0){y=u.fileStart}else{y=f}}else{y=u.fileStart}}else{y=c.tfhd.base_data_offset}if(t===0&&r===0){if(_){h.offset=y+m.data_offset}else{h.offset=y}}else{h.offset=f}f=h.offset+h.size}}if(c.subs){var b=c.first_sample_index;for(t=0;t<c.subs.samples.length;t++){b+=c.subs.samples[t].sample_delta;h=p.samples[b-1];h.subsamples=c.subs.samples[t].subsamples}}}}}};s.prototype.getCodecs=function(){var e;var t="";for(e=0;e<this.moov.traks.length;e++){var r=this.moov.traks[e];if(e>0){t+=","}t+=r.mdia.minf.stbl.stsd.entries[0].getCodec()}return t};s.prototype.getTrexById=function(e){var t;if(!this.originalMvex)return null;for(t=0;t<this.originalMvex.trexs.length;t++){var r=this.originalMvex.trexs[t];if(r.track_id==e)return r}return null};s.prototype.getTrackById=function(e){for(var t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];if(r.tkhd.track_id==e)return r}return null};s.prototype.getSample=function(e,t){var r;var i;var s=e.samples[t];if(!this.moov){return null}if(!s.data){s.data=new Uint8Array(s.size);s.alreadyRead=0;this.samplesDataSize+=s.size;a.d("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+s.size+" (total: "+this.samplesDataSize+")")}else if(s.alreadyRead==s.size){return s}for(i=0;i<this.stream.nextBuffers.length;i++){r=this.stream.nextBuffers[i];if(s.offset+s.alreadyRead>=r.fileStart&&s.offset+s.alreadyRead<r.fileStart+r.byteLength){var o=r.byteLength-(s.offset+s.alreadyRead-r.fileStart);if(s.size-s.alreadyRead<=o){a.d("ISOFile","Getting sample #"+t+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" size: "+(s.size-s.alreadyRead)+")");n.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,s.size-s.alreadyRead);s.alreadyRead=s.size;r.usedBytes+=s.size-s.alreadyRead;if(r.usedBytes===r.byteLength){this.stream.nextBuffers.splice(i,1);i--}return s}else{a.d("ISOFile","Getting sample data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" size: "+o+")");n.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,o);s.alreadyRead+=o;r.usedBytes+=o;if(r.usedBytes===r.byteLength){this.stream.nextBuffers.splice(i,1);i--}}}}return null};s.prototype.releaseSample=function(e,t){var r=e.samples[t];r.data=null;this.samplesDataSize-=r.size;return r.size}},{"./DataStream":231,"./box":232,"./log":235}],235:[function(e,t,r){var i=function(){var e=new Date;var t=4;var r=3;var n=2;var a=1;var s=t;var o={setLogLevel:function(e){if(e==this.d)s=a;else if(e==this.i)s=n;else if(e==this.w)s=r;else if(e==this.e)s=t;else s=t},d:function(t,r){if(a>=s){console.debug("["+i.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},i:function(t,r){if(n>=s){console.info("["+i.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},w:function(t,n){if(r>=s){console.warn("["+i.getDurationString(new Date-e,1e3)+"]","["+t+"]",n)}},e:function(r,n){if(t>=s){console.error("["+i.getDurationString(new Date-e,1e3)+"]","["+r+"]",n)}}};return o}();t.exports=i;i.getDurationString=function(e,t){function r(e,t){var r=""+e;var i=r.split(".");while(i[0].length<t){i[0]="0"+i[0]}return i.join(".")}var i=t||1;var n=e/i;var a=Math.floor(n/3600);n-=a*3600;var s=Math.floor(n/60);n-=s*60;var o=n*1e3;n=Math.floor(n);o-=n*1e3;o=Math.floor(o);return""+a+":"+r(s,2)+":"+r(n,2)+"."+r(o,3)};i.printRanges=function(e){var t=e.length;if(t>0){var r="";for(var n=0;n<t;n++){if(n>0)r+=",";r+="["+i.getDurationString(e.start(n))+","+i.getDurationString(e.end(n))+"]"}return r}else{return"(empty)"}}},{}],236:[function(e,t,r){var n=e("./box");var a=e("./DataStream");var s=e("./isofile");var o=e("./log");var f=function(){this.inputStream=null;this.nextBuffers=[];this.inputIsoFile=null;this.onMoovStart=null;this.moovStartSent=false;this.onReady=null;this.readySent=false;this.onSegment=null;this.onSamples=null;this.onError=null;this.sampleListBuilt=false;this.fragmentedTracks=[];this.extractedTracks=[];this.isFragmentationStarted=false;this.nextMoofNumber=0};t.exports=f;f.prototype.setSegmentOptions=function(e,t,r){var i=this.inputIsoFile.getTrackById(e);if(i){var n={};this.fragmentedTracks.push(n);n.id=e;n.user=t;n.trak=i;i.nextSample=0;n.segmentStream=null;n.nb_samples=1e3;n.rapAlignement=true;if(r){if(r.nbSamples)n.nb_samples=r.nbSamples;if(r.rapAlignement)n.rapAlignement=r.rapAlignement}}};f.prototype.unsetSegmentOptions=function(e){var t=-1;for(var r=0;r<this.fragmentedTracks.length;r++){var i=this.fragmentedTracks[r];if(i.id==e){t=r}}if(t>-1){this.fragmentedTracks.splice(t,1)}};f.prototype.setExtractionOptions=function(e,t,r){var i=this.inputIsoFile.getTrackById(e);if(i){var n={};this.extractedTracks.push(n);n.id=e;n.user=t;n.trak=i;i.nextSample=0;n.nb_samples=1e3;n.samples=[];if(r){if(r.nbSamples)n.nb_samples=r.nbSamples}}};f.prototype.unsetExtractionOptions=function(e){var t=-1;for(var r=0;r<this.extractedTracks.length;r++){var i=this.extractedTracks[r];if(i.id==e){t=r}}if(t>-1){this.extractedTracks.splice(t,1)}};f.prototype.createSingleSampleMoof=function(e){var t=new n.moofBox;var r=new n.mfhdBox;r.sequence_number=this.nextMoofNumber;this.nextMoofNumber++;t.boxes.push(r);var i=new n.trafBox;t.boxes.push(i);var a=new n.tfhdBox;i.boxes.push(a);a.track_id=e.track_id;a.flags=n.TFHD_FLAG_DEFAULT_BASE_IS_MOOF;var s=new n.tfdtBox;i.boxes.push(s);s.baseMediaDecodeTime=e.dts;var o=new n.trunBox;i.boxes.push(o);t.trun=o;o.flags=n.TRUN_FLAGS_DATA_OFFSET|n.TRUN_FLAGS_DURATION|n.TRUN_FLAGS_SIZE|n.TRUN_FLAGS_FLAGS|n.TRUN_FLAGS_CTS_OFFSET;o.data_offset=0;o.first_sample_flags=0;o.sample_count=1;o.sample_duration=[];o.sample_duration[0]=e.duration;o.sample_size=[];o.sample_size[0]=e.size;o.sample_flags=[];o.sample_flags[0]=0;o.sample_composition_time_offset=[];o.sample_composition_time_offset[0]=e.cts-e.dts;return t};f.prototype.createFragment=function(e,t,r,i){var s=this.inputIsoFile.getTrackById(t);var f=this.inputIsoFile.getSample(s,r);if(f==null){if(this.nextSeekPosition){this.nextSeekPosition=Math.min(s.samples[r].offset,this.nextSeekPosition)}else{this.nextSeekPosition=s.samples[r].offset}return null}var l=i||new a;l.endianness=a.BIG_ENDIAN;var u=this.createSingleSampleMoof(f);u.write(l);u.trun.data_offset=u.size+8;o.d("BoxWriter","Adjusting data_offset with new value "+u.trun.data_offset);l.adjustUint32(u.trun.data_offset_position,u.trun.data_offset);var c=new n.mdatBox;c.data=f.data;c.write(l);return l};ArrayBuffer.concat=function(e,t){o.d("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var r=new Uint8Array(e.byteLength+t.byteLength);r.set(new Uint8Array(e),0);r.set(new Uint8Array(t),e.byteLength);return r.buffer};f.prototype.reduceBuffer=function(e,t,r){var i;i=new Uint8Array(r);i.set(new Uint8Array(e,t,r));i.buffer.fileStart=e.fileStart+t;i.buffer.usedBytes=0;return i.buffer};f.prototype.insertBuffer=function(e){var t=true;for(var r=0;r<this.nextBuffers.length;r++){var i=this.nextBuffers[r];if(e.fileStart<=i.fileStart){if(e.fileStart===i.fileStart){if(e.byteLength>i.byteLength){this.nextBuffers.splice(r,1);r--;continue}else{o.w("MP4Box","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}}else{if(e.fileStart+e.byteLength<=i.fileStart){}else{e=this.reduceBuffer(e,0,i.fileStart-e.fileStart)}o.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.splice(r,0,e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}t=false;break}else if(e.fileStart<i.fileStart+i.byteLength){var n=i.fileStart+i.byteLength-e.fileStart;var a=e.byteLength-n;if(a>0){e=this.reduceBuffer(e,n,a)}else{t=false;break}}}if(t){o.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.push(e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}};f.prototype.processSamples=function(){var e;var t;if(this.isFragmentationStarted&&this.onSegment!==null){for(e=0;e<this.fragmentedTracks.length;e++){var r=this.fragmentedTracks[e];t=r.trak;while(t.nextSample<t.samples.length){o.d("MP4Box","Creating media fragment on track #"+r.id+" for sample "+t.nextSample);var i=this.createFragment(this.inputIsoFile,r.id,t.nextSample,r.segmentStream);if(i){r.segmentStream=i;t.nextSample++}else{break}if(t.nextSample%r.nb_samples===0||t.nextSample>=t.samples.length){o.i("MP4Box","Sending fragmented data on track #"+r.id+" for samples ["+(t.nextSample-r.nb_samples)+","+(t.nextSample-1)+"]");if(this.onSegment){this.onSegment(r.id,r.user,r.segmentStream.buffer,t.nextSample)}r.segmentStream=null;if(r!==this.fragmentedTracks[e]){break}}}}}if(this.onSamples!==null){for(e=0;e<this.extractedTracks.length;e++){var n=this.extractedTracks[e];t=n.trak;while(t.nextSample<t.samples.length){o.d("MP4Box","Exporting on track #"+n.id+" sample #"+t.nextSample);var a=this.inputIsoFile.getSample(t,t.nextSample);if(a){t.nextSample++;n.samples.push(a)}else{return}if(t.nextSample%n.nb_samples===0||t.nextSample>=t.samples.length){o.d("MP4Box","Sending samples on track #"+n.id+" for sample "+t.nextSample);if(this.onSamples){this.onSamples(n.id,n.user,n.samples)}n.samples=[];if(n!==this.extractedTracks[e]){break}}}}}};f.prototype.appendBuffer=function(e){var t;var r;if(e===null||e===undefined){throw"Buffer must be defined and non empty"}if(e.fileStart===undefined){throw"Buffer must have a fileStart property"}if(e.byteLength===0){o.w("MP4Box","Ignoring empty buffer (fileStart: "+e.fileStart+")");return}e.usedBytes=0;this.insertBuffer(e);if(!this.inputStream){if(this.nextBuffers.length>0){r=this.nextBuffers[0];if(r.fileStart===0){this.inputStream=new a(r,0,a.BIG_ENDIAN);this.inputStream.nextBuffers=this.nextBuffers;this.inputStream.bufferIndex=0}else{o.w("MP4Box","The first buffer should have a fileStart of 0");return}}else{o.w("MP4Box","No buffer to start parsing from");return}}if(!this.inputIsoFile){this.inputIsoFile=new s(this.inputStream)}this.inputIsoFile.parse();if(this.inputIsoFile.moovStartFound&&!this.moovStartSent){this.moovStartSent=true;if(this.onMoovStart)this.onMoovStart()}if(this.inputIsoFile.moov){if(!this.sampleListBuilt){this.inputIsoFile.buildSampleLists();this.sampleListBuilt=true}this.inputIsoFile.updateSampleLists();if(this.onReady&&!this.readySent){var i=this.getInfo();this.readySent=true;this.onReady(i)}this.processSamples();if(this.nextSeekPosition){t=this.nextSeekPosition;this.nextSeekPosition=undefined}else{t=this.inputIsoFile.nextParsePosition}var n=this.inputIsoFile.findPosition(true,t);if(n!==-1){t=this.inputIsoFile.findEndContiguousBuf(n)}o.i("MP4Box","Next buffer to fetch should have a fileStart position of "+t);return t}else{if(this.inputIsoFile!==null){return this.inputIsoFile.nextParsePosition}else{return 0}}};f.prototype.getInfo=function(){var e={};var t;var r;var n;var a=new Date(4,0,1,0,0,0,0).getTime();e.duration=this.inputIsoFile.moov.mvhd.duration;e.timescale=this.inputIsoFile.moov.mvhd.timescale;e.isFragmented=this.inputIsoFile.moov.mvex!=null;if(e.isFragmented&&this.inputIsoFile.moov.mvex.mehd){e.fragment_duration=this.inputIsoFile.moov.mvex.mehd.fragment_duration}else{e.fragment_duration=0}e.isProgressive=this.inputIsoFile.isProgressive;e.hasIOD=this.inputIsoFile.moov.iods!=null;e.brands=[];e.brands.push(this.inputIsoFile.ftyp.major_brand);e.brands=e.brands.concat(this.inputIsoFile.ftyp.compatible_brands);e.created=new Date(a+this.inputIsoFile.moov.mvhd.creation_time*1e3);e.modified=new Date(a+this.inputIsoFile.moov.mvhd.modification_time*1e3);e.tracks=[];e.audioTracks=[];e.videoTracks=[];e.subtitleTracks=[];e.metadataTracks=[];e.hintTracks=[];e.otherTracks=[];for(i=0;i<this.inputIsoFile.moov.traks.length;i++){t=this.inputIsoFile.moov.traks[i];n=t.mdia.minf.stbl.stsd.entries[0];r={};e.tracks.push(r);r.id=t.tkhd.track_id;r.references=[];if(t.tref){for(j=0;j<t.tref.boxes.length;j++){ref={};r.references.push(ref);ref.type=t.tref.boxes[j].type;ref.track_ids=t.tref.boxes[j].track_ids}}r.created=new Date(a+t.tkhd.creation_time*1e3);r.modified=new Date(a+t.tkhd.modification_time*1e3);r.movie_duration=t.tkhd.duration;r.layer=t.tkhd.layer;r.alternate_group=t.tkhd.alternate_group;r.volume=t.tkhd.volume;r.matrix=t.tkhd.matrix;r.track_width=t.tkhd.width/(1<<16);r.track_height=t.tkhd.height/(1<<16);r.timescale=t.mdia.mdhd.timescale;r.duration=t.mdia.mdhd.duration;r.codec=n.getCodec();r.language=t.mdia.mdhd.languageString;r.nb_samples=t.samples.length;r.size=0;for(j=0;j<r.nb_samples;j++){r.size+=t.samples[j].size}r.bitrate=r.size*8*r.timescale/r.duration;if(n.isAudio()){e.audioTracks.push(r);r.audio={};r.audio.sample_rate=n.getSampleRate();r.audio.channel_count=n.getChannelCount();r.audio.sample_size=n.getSampleSize()}else if(n.isVideo()){e.videoTracks.push(r);r.video={};r.video.width=n.getWidth();r.video.height=n.getHeight()}else if(n.isSubtitle()){e.subtitleTracks.push(r)}else if(n.isHint()){e.hintTracks.push(r)}else if(n.isMetadata()){e.metadataTracks.push(r)}else{e.otherTracks.push(r)}}return e};f.prototype.getInitializationSegment=function(){var e=new a;e.endianness=a.BIG_ENDIAN;this.inputIsoFile.writeInitializationSegment(e);return e.buffer};f.prototype.writeFile=function(){var e=new a;e.endianness=a.BIG_ENDIAN;this.inputIsoFile.write(e);return e.buffer};f.prototype.initializeSegmentation=function(){var e;var t;var r;var i;var n;if(this.onSegment===null){o.w("MP4Box","No segmentation callback set!")}if(!this.isFragmentationStarted){this.isFragmentationStarted=true;this.nextMoofNumber=0;this.inputIsoFile.resetTables()}i=[];for(e=0;e<this.fragmentedTracks.length;e++){for(t=0;t<this.inputIsoFile.moov.boxes.length;t++){r=this.inputIsoFile.moov.boxes[t];if(r&&r.type==="trak"){this.inputIsoFile.moov.boxes[t].ignore=true;this.inputIsoFile.moov.boxes[t]=null}}n=this.inputIsoFile.getTrackById(this.fragmentedTracks[e].id);delete n.ignore;for(t=0;t<this.inputIsoFile.moov.boxes.length;t++){r=this.inputIsoFile.moov.boxes[t];if(r==null){this.inputIsoFile.moov.boxes[t]=n;break}}seg={};seg.id=n.tkhd.track_id;seg.user=this.fragmentedTracks[e].user;seg.buffer=this.getInitializationSegment();i.push(seg)}return i};f.prototype.releaseUsedSamples=function(e,t){var r=0;var i=this.inputIsoFile.getTrackById(e);if(!i.lastValidSample)i.lastValidSample=0;for(var n=i.lastValidSample;n<t;n++){r+=this.inputIsoFile.releaseSample(i,n)}o.d("MP4Box","Track #"+e+" released samples up to "+t+" (total size: "+r+", remaining: "+this.inputIsoFile.samplesDataSize+")");i.lastValidSample=t};f.prototype.flush=function(){o.i("MP4Box","Flushing remaining samples");this.inputIsoFile.updateSampleLists();this.processSamples()};f.prototype.seekTrack=function(e,t,r){var i;var n;var a=Infinity;var s=0;var f=Infinity;var l=0;var u=0;var c;for(i=0;i<r.samples.length;i++){n=r.samples[i];if(i===0){f=n.offset;u=0;c=n.timescale}else if(n.cts>e*n.timescale){f=r.samples[i-1].offset;u=i-1;break}if(t&&n.is_rap){a=n.offset;s=n.cts;l=i}}if(t){r.nextSample=l;o.i("MP4Box","Seeking to RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(s,c)+" and offset: "+a);return{offset:a,time:s/c}}else{r.nextSample=u;o.i("MP4Box","Seeking to non-RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(e)+" and offset: "+a);return{offset:f,time:e}}};f.prototype.seek=function(e,t){var r=this.inputIsoFile.moov;var i;var n;var a;var s={offset:Infinity,time:Infinity};if(!this.inputIsoFile.moov){throw"Cannot seek: moov not received!"}else{for(a=0;a<r.traks.length;a++){i=r.traks[a];n=this.seekTrack(e,t,i);if(n.offset<s.offset){s.offset=n.offset}if(n.time<s.time){s.time=n.time}}if(s.offset===Infinity){s={offset:this.inputIsoFile.nextParsePosition,time:0}}else{var f=this.inputIsoFile.findPosition(true,s.offset);if(f!==-1){s.offset=this.inputIsoFile.findEndContiguousBuf(f)}}o.i("MP4Box","Seeking at time "+o.getDurationString(s.time,1)+" needs a buffer with a fileStart position of "+s.offset);return s}}},{"./DataStream":231,"./box":232,"./isofile":234,"./log":235}],237:[function(e,t,r){var i=e("debug")();var n=e("mp4box");var a=1e7;var s=1e6;var o=5e3;t.exports=function(e,t,r){r=r||{};var l=r.debugTrack||-1;var u=[];t.addEventListener("waiting",function(){if(d){b(t.currentTime)}});var c=new MediaSource;c.addEventListener("sourceopen",function(){y(0)});t.src=window.URL.createObjectURL(c);var p=new n;p.onError=function(e){i("MP4Box error: %s",e.message);if(_){_()}if(c.readyState==="open"){c.endOfStream("decode")}};var d=false;var h=0;var m={};p.onReady=function(e){i("MP4 info: %o",e);e.tracks.forEach(function(e){var t;if(e.video){t="video/mp4"}else if(e.audio){t="audio/mp4"}else{return}t+='; codecs="'+e.codec+'"';if(MediaSource.isTypeSupported(t)){var r=c.addSourceBuffer(t);var i={buffer:r,arrayBuffers:[],meta:e,ended:false};r.addEventListener("updateend",x.bind(null,i));p.setSegmentOptions(e.id,null,{nbSamples:e.video?1:100});m[e.id]=i}});if(Object.keys(m).length===0){c.endOfStream("decode");return}var t=p.initializeSegmentation();t.forEach(function(e){w(m[e.id],e.buffer);if(e.id===l){f("init-track-"+l+".mp4",[e.buffer]);u.push(e.buffer)}});d=true};p.onSegment=function(e,t,r,i){var n=m[e];w(n,r,i===n.meta.nb_samples);if(e===l&&u){u.push(r);if(i>1e3){f("track-"+l+".mp4",u);u=null}}};var v;var g=null;var _=null;function y(t){if(t===e.length){p.flush();return}if(g&&t===v){return}if(g){g.destroy();_()}v=t;var r={start:v,end:e.length-1};g=e.createReadStream(r);function n(e){g.pause();if(h<=a){k()}var t=e.toArrayBuffer();t.fileStart=v;v+=t.byteLength;var r;try{r=p.appendBuffer(t)}catch(n){i("MP4Box threw exception: %s",n.message);if(c.readyState==="open"){c.endOfStream("decode")}g.destroy();_();return}y(r)}g.on("data",n);function s(){_();y(v)}g.on("end",s);function o(e){i("Stream error: %s",e.message);if(c.readyState==="open"){c.endOfStream("network")}}g.on("error",o);_=function(){g.removeListener("data",n);g.removeListener("end",s);g.removeListener("error",o);g=null;_=null}}function b(e){var t=p.seek(e,true);i("Seeking to time: %d",e);i("Seeked file offset: %d",t.offset);y(t.offset);k()}function w(e,t,r){h+=t.byteLength;e.arrayBuffers.push({buffer:t,ended:r||false});x(e)}function x(e){if(e.buffer.updating||e.arrayBuffers.length===0)return;var t=e.arrayBuffers.shift();var r=false;try{e.buffer.appendBuffer(t.buffer);e.ended=t.ended;r=true}catch(n){i("SourceBuffer error: %s",n.message);e.arrayBuffers.unshift(t);setTimeout(function(){x(e)},o)}if(r){h-=t.buffer.byteLength;if(h<=s){k()}S()}}function k(){setTimeout(function(){if(g){if(g.isPaused?g.isPaused():!g._readableState.flowing){g.resume()}}})}function S(){if(c.readyState!=="open"){return}var e=Object.keys(m).every(function(e){var t=m[e];return t.ended&&!t.buffer.updating});if(e&&c.readyState==="open"){c.endOfStream()}}};function f(e,t){var r=new Blob(t);var i=URL.createObjectURL(r);var n=document.createElement("a");n.setAttribute("href",i);n.setAttribute("download",e);n.click()}},{debug:138,mp4box:236}],238:[function(e,t,r){arguments[4][27][0].apply(r,arguments)},{dup:27}],239:[function(e,t,r){t.exports=function i(e,t,r){if(t===undefined){return function(t,r){return i(e,t,r)}}if(r===undefined)r="0";e-=t.toString().length;if(e>0)return new Array(e+(/\./.test(t)?2:1)).join(r)+t;return t+""}},{}],240:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.52.0",author:{name:"Feross Aboukhadijeh",email:"feross@feross.org",url:"http://feross.org/"},bin:{webtorrent:"./bin/cmd.js"},browser:{"./lib/fs-storage":false,"./lib/server":false,"bittorrent-dht/client":false,"load-ip-set":false,ut_pex:false},bugs:{url:"https://github.com/feross/webtorrent/issues"},dependencies:{"addr-to-ip-port":"^1.0.1",bitfield:"^1.0.2","bittorrent-dht":"^3.0.0","bittorrent-swarm":"^5.0.0","block-stream2":"^1.0.0",clivas:"^0.2.0","create-torrent":"^3.4.0",debug:"^2.1.0",dezalgo:"^1.0.1","end-of-stream":"^1.0.0",hat:"0.0.3",inherits:"^2.0.1",inquirer:"^0.8.0","load-ip-set":"^1.0.3",mime:"^1.2.11",minimist:"^1.1.0",mkdirp:"^0.5.0",moment:"^2.8.3",multistream:"^1.4.2","network-address":"^1.0.0",once:"^1.3.1","parse-torrent":"^5.1.0","pretty-bytes":"^2.0.1",pump:"^1.0.0","random-access-file":"^0.3.1","range-parser":"^1.0.2","re-emitter":"^1.0.0",rimraf:"^2.2.5","run-parallel":"^1.0.0","simple-sha1":"^2.0.0",speedometer:"^0.1.2",thunky:"^0.1.0","torrent-discovery":"^3.0.0",uniq:"^1.0.1",ut_metadata:"^2.1.0",ut_pex:"^1.0.1",videostream:"^1.1.4","windows-no-runnable":"0.0.6",xtend:"^4.0.0","zero-fill":"^2.2.0"},devDependencies:{"bittorrent-tracker":"^5.0.0",brfs:"^1.2.0",browserify:"^10.0.0",finalhandler:"^0.3.6","run-auto":"^1.0.0","serve-static":"^1.9.3","simple-get":"^1.0.0",standard:"^4.0.1",tape:"^4.0.0","uglify-js":"^2.4.15",zelda:"^2.0.0",zuul:"^3.0.0"},homepage:"http://webtorrent.io",keywords:["torrent","bittorrent","bittorrent client","streaming","download","webrtc","webrtc data","webtorrent","mad science"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3","chromecast-js":"^0.1.4",nodebmc:"0.0.5"},repository:{type:"git",url:"git://github.com/feross/webtorrent.git"},scripts:{build:"browserify -s WebTorrent -e ./ | uglifyjs -m > webtorrent.min.js","build-debug":"browserify -s WebTorrent -e ./ > webtorrent.debug.js",size:"npm run build && cat webtorrent.min.js | gzip | wc -c",test:"standard && node ./bin/test.js","test-browser":"zuul -- test/basic.js","test-browser-local":"zuul --local -- test/basic.js","test-node":"tape test/*.js"}}},{}],241:[function(e,t,r){(function(r,i,n){t.exports=k;var a=e("create-torrent");var s=e("debug")("webtorrent");var o=e("bittorrent-dht/client");var f=e("events").EventEmitter;var l=e("xtend");var u=e("hat");var c=e("inherits");var p=e("load-ip-set");var d=e("run-parallel");var h=e("parse-torrent");var m=e("speedometer");var v=e("zero-fill");var g=e("path");var _=e("./lib/fs-storage");var y=e("./lib/storage");var b=e("./lib/torrent");c(k,f);var w=e("./package.json").version;var x=w.match(/([0-9]+)/g).slice(0,2).map(v(2)).join("");function k(e){var t=this;if(!(t instanceof k))return new k(e);if(!e)e={};f.call(t);if(!s.enabled)t.setMaxListeners(0);t.destroyed=false;t.torrentPort=e.torrentPort||0;t.tracker=e.tracker!==undefined?e.tracker:true;t._rtcConfig=e.rtcConfig;t._wrtc=e.wrtc||i.WRTC;t.torrents=[];t.downloadSpeed=m();t.uploadSpeed=m();t.storage=typeof e.storage==="function"?e.storage:e.storage!==false&&typeof _==="function"?_:y;t.peerId=e.peerId===undefined?new n("-WW"+x+"-"+u(48),"utf8"):typeof e.peerId==="string"?new n(e.peerId,"hex"):e.peerId;t.peerIdHex=t.peerId.toString("hex");t.nodeId=e.nodeId===undefined?new n(u(160),"hex"):typeof e.nodeId==="string"?new n(e.nodeId,"hex"):e.nodeId;t.nodeIdHex=t.nodeId.toString("hex");if(e.dht!==false&&typeof o==="function"){t.dht=new o(l({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}s("new webtorrent (peerId %s, nodeId %s)",t.peerIdHex,t.nodeIdHex);if(typeof p==="function"){p(e.blocklist,{headers:{"user-agent":"WebTorrent (http://webtorrent.io)"}},function(e,r){if(e)return t.error("failed to load blocklist: "+e.message);t.blocked=r;a()})}else r.nextTick(a);function a(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(k.prototype,"ratio",{get:function(){var e=this;var t=e.torrents.reduce(function(e,t){return e+t.uploaded},0);var r=e.torrents.reduce(function(e,t){return e+t.downloaded},0)||1;return t/r}});k.prototype.get=function(e){var t=this;if(e instanceof b)return e;var r;try{r=h(e)}catch(i){return null}if(!r.infoHash)throw new Error("Invalid torrent identifier");for(var n=0,a=t.torrents.length;n<a;n++){var s=t.torrents[n];if(s.infoHash===r.infoHash)return s}return null};k.prototype.add=k.prototype.download=function(e,t,i){var n=this;if(n.destroyed)throw new Error("client is destroyed");s("add");if(typeof t==="function"){i=t;t={}}if(!t)t={};if(!t.storage)t.storage=n.storage;t.client=n;var a=n.get(e);function o(){s("on torrent");if(typeof i==="function")i(a)}if(a){if(a.ready)r.nextTick(o);else a.on("ready",o)}else{a=new b(e,t);n.torrents.push(a);a.on("error",function(e){n.emit("error",e,a);n.remove(a)});a.on("listening",function(e){n.emit("listening",e,a)});a.on("ready",function(){o();n.emit("torrent",a)})}return a};k.prototype.seed=function(e,t,r){var i=this;if(i.destroyed)throw new Error("client is destroyed");s("seed");if(typeof t==="function"){r=t;t={}}if(!t)t={};t.noVerify=true;t.createdBy="WebTorrent/"+w;if(typeof e==="string"&&!t.path)t.path=g.dirname(e);var n;var o=i.add(undefined,t,function(e){var t=[function(t){e.storage.load(n,t)}];if(i.dht){t.push(function(t){e.on("dhtAnnounce",t)})}d(t,function(t){if(t)return i.emit("error",t);f();i.emit("seed",e)})});a.parseInput(e,t,function(r,s){if(r)return i.emit("error",r);n=s.map(function(e){return e.getStream});a(e,t,function(e,t){if(e)return i.emit("error",e);if(i.destroyed)return;var r=i.get(t);if(r){o.destroy();f();return}else{o._onTorrentId(t)}})});function f(){s("on seed");if(typeof r==="function")r(o)}return o};k.prototype.remove=function(e,t){var r=this;var i=r.get(e);if(!i)throw new Error("No torrent with id "+e);s("remove");r.torrents.splice(r.torrents.indexOf(i),1);i.destroy(t)};k.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}};k.prototype.destroy=function(e){var t=this;t.destroyed=true;s("destroy");var r=t.torrents.map(function(e){return function(r){t.remove(e,r)}});if(t.dht){r.push(function(e){t.dht.destroy(e)})}d(r,e)}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./lib/fs-storage":52,"./lib/storage":7,"./lib/torrent":8,"./package.json":240,_process:78,"bittorrent-dht/client":52,buffer:66,"create-torrent":99,debug:138,events:70,hat:146,inherits:147,"load-ip-set":52,"parse-torrent":154,path:77,"run-parallel":175,speedometer:181,xtend:238,"zero-fill":239}]},{},[241])(241)});