build

1 files changed, 6 insertions, 7 deletions

diff --git a/webtorrent.min.js b/webtorrent.min.js
index cc53db8..d7c42a7 100644
--- a/webtorrent.min.js
+++ b/webtorrent.min.js
@@ -1,8 +1,7 @@
-(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,a){if(!t[s]){if(!e[s]){var f=typeof require=="function"&&require;if(!a&&f)return f(s,!0);if(o)return o(s,!0);var u=new Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var c=t[s]={exports:{}};e[s][0].call(c.exports,function(t){var r=e[s][1][t];return i(r?r:t)},c,c.exports,n,e,t,r)}return t[s].exports}var o=typeof require=="function"&&require;for(var s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,t,r){t.exports=f;var n=e("debug")("webtorrent:file-stream");var i=e("inherits");var o=e("path");var s=e("stream");var a=e("./media-stream");i(f,s.Readable);function f(e,t){var r=this;if(!(r instanceof f))return new f(e,t);s.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.length=t.end-t.start+1;var i=t.start+e.offset;var a=t.pieceLength;r.startPiece=i/a|0;r.endPiece=(t.end+e.offset)/a|0;r._extname=o.extname(e.name);r._storage=e.storage;r._piece=r.startPiece;r._missing=r.length;r._reading=false;r._notifying=false;r._destroyed=false;r._criticalLength=Math.min(1024*1024/a|0,2);r._offset=i-r.startPiece*a}f.prototype._read=function(){n("_read");var e=this;if(e._reading)return;e._reading=true;e.notify()};f.prototype.notify=function(){n("notify");var e=this;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=s.Readable.prototype.pipe;if(e&&(e.nodeName==="VIDEO"||e.nodeName==="AUDIO")){var n={".webm":'video/webm; codecs="vorbis,vp8"',".mp4":'video/mp4; codecs="avc1.42c01e,mp4a.40.2"',".mp3":"audio/mpeg"}[t._extname];return r.call(t,new a(e,{type:n}))}else{return r.call(t,e)}};f.prototype.destroy=function(){var e=this;if(e._destroyed)return;e._destroyed=true}},{"./media-stream":2,debug:55,inherits:63,path:17,stream:30}],2:[function(e,t,r){t.exports=f;var n=e("debug")("webtorrent:media-stream");var i=e("inherits");var o=e("once");var s=e("stream");var a=typeof window!=="undefined"&&window.MediaSource;i(f,s.Writable);function f(e,t){var r=this;if(!(r instanceof f))return new f(e,t);s.Writable.call(r,t);if(!a)throw new Error("web browser lacks MediaSource support");r.media=e;t=t||{};t.type=t.type||'video/webm; codecs="vorbis,vp8"';n("new mediastream %s %s",e,JSON.stringify(t));r._mediaSource=new a;r._playing=false;r._sourceBuffer=null;r._cb=null;r.media.src=window.URL.createObjectURL(r._mediaSource);var i=o(function(){r._sourceBuffer=r._mediaSource.addSourceBuffer(t.type);r._sourceBuffer.addEventListener("updateend",r._flow.bind(r));r._flow()});r._mediaSource.addEventListener("webkitsourceopen",i,false);r._mediaSource.addEventListener("sourceopen",i,false);r.on("finish",function(){n("finish");r._mediaSource.endOfStream()});window.vs=r}f.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;if(!i._playing){i.media.play();i._playing=true}};f.prototype._flow=function(){var e=this;n("flow");if(e._cb){e._cb(null)}}},{debug:55,inherits:63,once:67,stream:30}],3:[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 o=t.pieces[i];if(o===n){r.push(i)}else if(o<n){r=[i];n=o}}if(r.length>0){return r[Math.random()*r.length|0]}else{return-1}}},{}],4:[function(e,t,r){(function(r,n,i){t.exports=E;var o=e("bitfield");var s=e("block-stream");var a=e("debug")("webtorrent:storage");var f=e("dezalgo");var u=e("end-of-stream");var c=e("events").EventEmitter;var l=e("./file-stream");var h=e("inherits");var d=e("multistream");var p=e("once");var g=e("simple-sha1");var v=16*1024;var m=0;var y=1;var _=2;function w(){}h(b,c);function b(e,t,r,n){var i=this;c.call(i);if(!a.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()}b.prototype.readBlock=function(e,t,r){var n=this;r=f(r);if(!n.buffer||!n._verifyOffset(e)){return r(new Error("invalid block offset "+e))}r(null,n.buffer.slice(e,e+t))};b.prototype.writeBlock=function(e,t,r){var n=this;r=f(r);if(!n._verifyOffset(e)||!n._verifyBlock(e,t)){return r(new Error("invalid block "+e+":"+t.length))}n._lazyAllocBuffer();var i=e/v;if(n.blocks[i]===_){return r(null)}t.copy(n.buffer,e);n.blocks[i]=_;n.blocksWritten+=1;if(n.blocksWritten===n.blocks.length){n.verify()}r(null)};b.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]===_){continue}t.blocks[n]=y;return{offset:n*v,length:n===r-1?t.length-n*v:v}}return null};b.prototype.cancelBlock=function(e){var t=this;if(!t._verifyOffset(e)){return false}var r=e/v;if(t.blocks[r]===y){t.blocks[r]=m}return true};b.prototype._reset=function(){var e=this;e.verified=false;e.blocks=new i(Math.ceil(e.length/v));e.blocks.fill(0);e.blocksWritten=0};b.prototype.verify=function(e){var t=this;e=e||t.buffer;if(t.verified||!e){return}if(t.noVerify){t.verified=true;r();return}g(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()}}};b.prototype._verifyOffset=function(e){var t=this;if(e%v===0){return true}else{t.emit("warning",new Error("invalid block offset "+e+", not multiple of "+v));return false}};b.prototype._verifyBlock=function(e,t){var r=this;if(t.length===v){return true}else if(t.length===r.length-e&&r.length-e<v){return true}else{r.emit("warning",new Error("invalid block size "+t.length));return false}};b.prototype._lazyAllocBuffer=function(){var e=this;if(!e.buffer){e.buffer=new i(e.length)}};h(k,c);function k(e,t,r,n){var i=this;c.call(i);if(!a.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));u(r,function(){t.storage.emit("deselect",r.startPiece,r.endPiece,true)});return r};k.prototype.getBlobURL=function(e){var t=this;if(n.URL===undefined||n.Blob===undefined){return e(new Error("file.getBlobURL requires window.URL window.Blob support"))}t.getBuffer(function(t,r){if(t)return e(t);var i=n.URL.createObjectURL(new n.Blob([r]));e(null,i)})};k.prototype.getBuffer=function(e){var t=this;var r=new i(t.length);var n=0;t.createReadStream().on("data",function(e){e.copy(r,n);n+=e.length}).on("end",function(){e(null,r)})};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")})}};h(E,c);function E(e,t){var r=this;c.call(r);if(!a.enabled)r.setMaxListeners(0);t=t||{};r.bitfield=new o(e.pieces.length);r.done=false;r.closed=false;r.readonly=true;if(!t.nobuffer){r.buffer=new i(e.length)}var n=r.pieceLength=e.pieceLength;var s=e.lastPieceLength;var f=e.pieces.length;r.pieces=e.pieces.map(function(e,i){var o=i*n;var a=o+(i===f-1?s:n);var u=r.buffer?r.buffer.slice(o,a):a-o;var c=new b(i,e,u,!!t.noVerify);c.on("done",r._onPieceDone.bind(r,c));return c});r.files=e.files.map(function(e){var t=e.offset;var i=t+e.length-1;var o=t/n|0;var s=i/n|0;var a=r.pieces.slice(o,s+1);var f=new k(r,e,a,n);f.on("done",r._onFileDone.bind(r,f));return f})}E.BLOCK_LENGTH=v;E.prototype.load=function(e,t){var r=this;if(!Array.isArray(e))e=[e];t=p(t||function(){});r.once("done",function(){t(null)});var n=0;new d(e).pipe(new s(r.pieceLength,{nopad:true})).on("data",function(e){var t=n;n+=1;var i=0;var o=new s(v,{nopad:true});o.on("data",function(e){var n=i*v;i+=1;r.writeBlock(t,n,e)});o.end(e)}).on("error",t)};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*v)},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=f(n);var o=i.pieces[e];if(!o)return n(new Error("invalid piece index "+e));o.readBlock(t,r,n)};E.prototype.writeBlock=function(e,t,r,n){var i=this;if(!n)n=w;n=f(n);if(i.readonly)return n(new Error("cannot write to readonly storage"));var o=i.pieces[e];if(!o)return n(new Error("invalid piece index "+e));o.writeBlock(t,r,n)};E.prototype.read=function(e,t,r,n){var o=this;if(typeof t==="function"){n=r;r=t;t=null}r=f(r);var s=o.pieces[e];if(!s){return r(new Error("invalid piece index "+e))}if(!s.verified&&!n){return r(new Error("Storage.read called on incomplete piece "+e))}var a=0;var u=s.length;if(t){a=t.offset||0;u=t.length||u}if(s.buffer){return r(null,s.buffer.slice(a,a+u))}var c=[];function l(){if(u<=0)return r(null,i.concat(c));var t=a;var n=Math.min(v,u);a+=n;u-=n;o.readBlock(e,t,n,function(e,t){if(e)return r(e);c.push(t);l()})}l()};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)f(e)(null)};E.prototype.close=function(e){var t=this;t.closed=true;if(e)f(e)(null)};E.prototype._onPieceDone=function(e){var t=this;t.bitfield.set(e.index);a("piece done "+e.index+" ("+t.numMissing+" still missing)");t.emit("piece",e)};E.prototype._onFileDone=function(e){var t=this;a("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"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./file-stream":1,_process:18,bitfield:6,"block-stream":7,buffer:11,debug:55,dezalgo:58,"end-of-stream":61,events:15,inherits:63,multistream:64,once:67,"simple-sha1":83}],5:[function(e,t,r){(function(r){t.exports=L;var n=e("addr-to-ip-port");var i=e("debug")("webtorrent:torrent");var o=e("torrent-discovery");var s=e("events").EventEmitter;var a=e("fs");var f=e("simple-get");var u=e("inherits");var c=e("run-parallel");var l=e("parse-torrent");var h=e("re-emitter");var d=e("bittorrent-swarm");var p=e("ut_metadata");var g=e("ut_pex");var v=e("./rarity-map");var m=e("./server");var y=e("./storage");var _=128*1024;var w=1e4;var b=5e3;var k=3*y.BLOCK_LENGTH;var E=.5;var x=1;var S=1e4;var I=2;function A(){}u(L,s);function L(e,t){var n=this;s.call(n);if(!i.enabled)n.setMaxListeners(0);i("new torrent");n.client=t.client;n.hotswapEnabled="hotswap"in t?t.hotswap:true;n.verify=t.verify;n.storageOpts=t.storageOpts;n.chokeTimeout=t.chokeTimeout||b;n.pieceTimeout=t.pieceTimeout||w;n.strategy=t.strategy||"sequential";n._rechokeNumSlots=t.uploads===false||t.uploads===0?0:+t.uploads||10;n._rechokeOptimisticWire=null;n._rechokeOptimisticTime=0;n._rechokeIntervalId=null;n.ready=false;n.files=[];n.metadata=null;n.parsedTorrent=null;n.storage=null;n.numBlockedPeers=0;n._amInterested=false;n._destroyed=false;n._selections=[];n._critical=[];n._storageImpl=t.storage||y;var o;try{o=e&&e.parsedTorrent||l(e)}catch(u){}if(o&&o.infoHash){c(o)}else if(typeof f==="function"&&/^https?:/.test(e)){f.concat({url:e,headers:{"user-agent":"WebTorrent (http://webtorrent.io)"}},function(e,t){if(e){e=new Error("Error downloading torrent: "+e.message);return n.emit("error",e)}c(t)})}else if(typeof a.readFile==="function"){a.readFile(e,function(e,t){if(e)return n.emit("error",new Error("Invalid torrent identifier"));c(t)})}else throw new Error("Invalid torrent identifier");function c(e){try{n.parsedTorrent=l(e)}catch(t){return n.emit("error",new Error("Malformed torrent data: "+t.message))}n.infoHash=n.parsedTorrent.infoHash;if(!n.infoHash){return n.emit("error",new Error("Malformed torrent data: Missing info hash."))}if(n.parsedTorrent.name)n.name=n.parsedTorrent.name;n.swarm=new d(n.infoHash,n.client.peerId,{handshake:{dht:!!n.client.dht}});h(n.swarm,n,["warning","error"]);n.swarm.on("wire",n._onWire.bind(n));n.swarm.on("download",n.client.downloadSpeed.bind(n.client));n.swarm.on("upload",n.client.uploadSpeed.bind(n.client));if(r.browser){n._onSwarmListening()}else{n.swarm.listen(n.client.torrentPort,n._onSwarmListening.bind(n))}r.nextTick(function(){n.emit("infoHash")})}}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 l.toMagnetURI(this.parsedTorrent)}});L.prototype._onSwarmListening=function(e){var t=this;if(t._destroyed)return;t.client.torrentPort=e;t.discovery=new o({announce:t.parsedTorrent.announce,dht:t.client.dht,tracker:t.client.tracker,peerId:t.client.peerId,port:e,rtcConfig:t.client.rtcConfig});t.discovery.setTorrent(t.infoHash);t.discovery.on("peer",t.addPeer.bind(t));h(t.discovery,t,["dhtAnnounce","warning","error"]);if(t.parsedTorrent.info)t._onMetadata(t.parsedTorrent);t.emit("listening",e)};L.prototype._onMetadata=function(e){var t=this;if(t.metadata||t._destroyed)return;i("got metadata");if(e&&e.infoHash){t.metadata=l.toTorrentFile(e);t.parsedTorrent=e}else{t.metadata=e;try{t.parsedTorrent=l(t.metadata)}catch(n){return t.emit("error",n)}}t.name=t.parsedTorrent.name;t.discovery.setTorrent(t.parsedTorrent);t.rarityMap=new v(t.swarm,t.parsedTorrent.pieces.length);t.storage=new t._storageImpl(t.parsedTorrent,t.storageOpts);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();i("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(){i("verifying existing torrent data");var e=0;var r=0;c(t.storage.pieces.map(function(n){return function(o){t.storage.read(n.index,function(s,a){e+=1;t.emit("verifying",{percentDone:100*e/t.storage.pieces.length,percentVerified:100*r/t.storage.pieces.length});if(!s&&a){n.verify(a);r+=n.verified;i("piece "+(n.verified?"verified":"invalid")+" "+n.index)}o()},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;i("destroy");t._destroyed=true;clearInterval(t._rechokeIntervalId);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)});c(r,e)};L.prototype.addPeer=function(e){var t=this;if(typeof e==="string"&&t.client.blocked&&t.client.blocked.contains(n(e)[0])){t.numBlockedPeers+=1;t.emit("blocked-peer",e);return false}else{t.emit("peer",e);t.swarm.addPeer(e);return true}};L.prototype.select=function(e,t,r,n){var o=this;if(e>t||e<0||t>=o.storage.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;i("select %s-%s (priority %s)",e,t,r);o._selections.push({from:e,to:t,offset:0,priority:r,notify:n||A});o._selections.sort(function(e,t){return t.priority-e.priority});o._updateSelections()};L.prototype.deselect=function(e,t,r){var n=this;r=Number(r)||0;i("deselect %s-%s (priority %s)",e,t,r);for(var o=0;o<n._selections.length;++o){var s=n._selections[o];if(s.from===e&&s.to===t&&s.priority===r){n._selections.splice(o--,1);break}}n._updateSelections()};L.prototype.critical=function(e,t){var r=this;i("critical %s-%s",e,t);for(var n=e;n<=t;++n){r._critical[n]=true}r._updateSelections()};L.prototype._onWire=function(e){var t=this;e.use(p(t.metadata));if(!t.metadata){e.ut_metadata.on("metadata",function(e){i("got metadata via ut_metadata");t._onMetadata(e)});e.ut_metadata.fetch()}if(typeof g==="function"){e.use(g());e.ut_pex.on("peer",function(e){i("got peer via ut_pex "+e);t.addPeer(e)});e.ut_pex.on("dropped",function(e){if(!(e in t.swarm._peers))t.swarm.removePeer(e)})}e.setKeepAlive(true);if(e.peerExtensions.dht&&t.client.dht&&t.client.dht.listening){e.port(t.client.dht.address().port)}e.on("port",function(t){i("port %s message from %s",t,e.remoteAddress)});e.on("timeout",function(){i("wire timeout from "+e.remoteAddress);e.destroy()});e.setTimeout(t.pieceTimeout);if(t.metadata){t._onWireWithMetadata(e)}};L.prototype._onWireWithMetadata=function(e){var t=this;var r=null;var n=t.chokeTimeout;function o(){if(t._destroyed||e._destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(o,n)}}var s=0;function a(){if(e.peerPieces.length!==t.storage.pieces.length)return;for(;s<t.storage.pieces.length;++s){if(!e.peerPieces.get(s))return}e.isSeeder=true;e.choke()}e.on("bitfield",function(){a();t._update()});e.on("have",function(){a();t._update()});e.once("interested",function(){e.unchoke()});e.on("close",function(){clearTimeout(r)});e.on("choke",function(){clearTimeout(r);r=setTimeout(o,n)});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,n,o,s){if(o>_){i(e.remoteAddress,"requested invalid block size",o);return e.destroy()}t.storage.readBlock(r,n,o,s)});e.bitfield(t.storage.bitfield);e.interested();r=setTimeout(o,n);e.isSeeder=false;a()};L.prototype._onStorage=function(){var e=this;if(e._destroyed)return;i("on storage");e.storage.readonly=false;e.select(0,e.storage.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),S);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();r.nextTick(function(){e.ready=true;e.emit("ready")})};L.prototype._onStoragePiece=function(e){var t=this;i("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;R(e.swarm.wires,e._updateWire.bind(e))};L.prototype._updateWire=function(e){var t=this;if(e.peerChoking)return;if(!e.downloaded)return o();var r=B(e,E);if(e.requests.length>=r)return;var n=B(e,x);f(false)||f(true);function i(t,r,n,i){return function(o){return o>=t&&o<=r&&!(o in n)&&e.peerPieces.get(o)&&(!i||i(o))}}function o(){if(e.requests.length)return;for(var r=t._selections.length;r--;){var n=t._selections[r];var o;if(t.strategy==="rarest"){var s=n.from+n.offset;var a=n.to;var f=a-s+1;var u={};var c=0;var l=i(s,a,u);while(c<f){o=t.rarityMap.getRarestPiece(l);if(o<0)break;if(t._request(e,o,false))return;u[o]=true;c+=1}}else{for(o=n.to;o>=n.from+n.offset;--o){if(!e.peerPieces.get(o))continue;if(t._request(e,o,false))return}}}}function s(){var r=e.downloadSpeed()||1;if(r>k)return function(){return true};var n=Math.max(1,e.requests.length)*y.BLOCK_LENGTH/r;var i=10;var o=0;return function(e){if(!i||t.storage.bitfield.get(e))return true;var s=t.storage.pieces[e];var a=s.blocks.length-s.blocksWritten;for(;o<t.swarm.wires.length;o++){var f=t.swarm.wires[o];var u=f.downloadSpeed();if(u<k)continue;if(u<=r)continue;if(!f.peerPieces.get(e))continue;if((a-=u*n)>0)continue;i--;return false}return true}}function a(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 o=s();for(var f=0;f<t._selections.length;f++){var u=t._selections[f];var c;if(t.strategy==="rarest"){var l=u.from+u.offset;var h=u.to;var d=h-l+1;var p={};var g=0;var v=i(l,h,p,o);while(g<d){c=t.rarityMap.getRarestPiece(v);if(c<0)break;while(t._request(e,c,t._critical[c]||r)){}if(e.requests.length<n){p[c]=true;g++;continue}if(u.priority)a(f);return true}}else{for(c=u.from+u.offset;c<=u.to;c++){if(!e.peerPieces.get(c)||!o(c))continue;while(t._request(e,c,t._critical[c]||r)){}if(e.requests.length<n)continue;if(u.priority)a(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(s);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 o=i[T(i.length)];if(o){o.isChoked=false;e._rechokeOptimisticWire=o.wire;e._rechokeOptimisticTime=I}}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}};L.prototype._hotswap=function(e,t){var r=this;if(!r.hotswapEnabled)return false;var n=e.downloadSpeed();if(n<y.BLOCK_LENGTH)return false;if(!r._reservations[t])return false;var i=r._reservations[t];if(!i){return false}var o=Infinity;var s;var a;for(a=0;a<i.length;a++){var f=i[a];if(!f||f===e)continue;var u=f.downloadSpeed();if(u>=k)continue;if(2*u>n||u>o)continue;s=f;o=u}if(!s)return false;for(a=0;a<i.length;a++){if(i[a]===s)i[a]=null}for(a=0;a<s.requests.length;a++){var c=s.requests[a];if(c.piece!==t)continue;r.storage.cancelBlock(t,c.offset)}r.emit("hotswap",s,e,t);return true};L.prototype._request=function(e,t,n){var o=this;var s=e.requests.length;if(o.storage.bitfield.get(t))return false;var a=B(e,x);if(s>=a)return false;var f=e.requests.length===0&&o.storage.numMissing<30;var u=o.storage.reserveBlock(t,f);if(!u&&!f&&n&&o._hotswap(e,t)){u=o.storage.reserveBlock(t,false)}if(!u)return false;var c=o._reservations[t];if(!c){c=o._reservations[t]=[]}var l=c.indexOf(null);if(l===-1)l=c.length;c[l]=e;function h(n,s){if(!o.ready){o.once("ready",function(){h(n,s)});return}if(c[l]===e)c[l]=null;if(n){i("error getting piece %s (offset: %s length: %s) from %s: %s",t,u.offset,u.length,e.remoteAddress,n.message);o.storage.cancelBlock(t,u.offset);r.nextTick(o._update.bind(o));return false}else{i("got piece %s (offset: %s length: %s) from %s",t,u.offset,u.length,e.remoteAddress);o.storage.writeBlock(t,u.offset,s,function(e){if(e){i("error writing block");o.storage.cancelBlock(t,u.offset)}r.nextTick(o._update.bind(o))})}}e.request(t,u.offset,u.length,h);return true};L.prototype.createServer=function(e){var t=this;if(typeof m==="function"){return new m(t,e)}};function B(e,t){return Math.ceil(2+t*e.downloadSpeed()/y.BLOCK_LENGTH)}function T(e){return Math.random()*e|0}function R(e,t){var r=e.map(function(e,t){return t});for(var n=r.length-1;n>0;--n){var i=T(n+1);var o=r[n];r[n]=r[i];r[i]=o}r.forEach(function(r){t(e[r],r,e)})}}).call(this,e("_process"))},{"./rarity-map":3,"./server":10,"./storage":4,_process:18,"addr-to-ip-port":10,"bittorrent-swarm":128,debug:55,events:15,fs:8,inherits:63,"parse-torrent":68,"re-emitter":81,"run-parallel":82,"simple-get":10,"torrent-discovery":86,ut_metadata:119,ut_pex:10}],6:[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:11}],7:[function(e,t,r){(function(r,n){t.exports=f;var i=e("stream").Stream,o=e("inherits"),s=e("assert").ok,a=r.env.DEBUG?console.error:function(){};function f(e,t){this.writable=this.readable=true;this._opt=t||{};this._chunkSize=e||512;this._offset=0;this._buffer=[];this._bufferLength=0;if(this._opt.nopad)this._zeroes=false;else{this._zeroes=new n(this._chunkSize);for(var r=0;r<this._chunkSize;r++){this._zeroes[r]=0}}}o(f,i);f.prototype.write=function(e){if(this._ended)throw new Error("BlockStream: write after end");if(e&&!n.isBuffer(e))e=new n(e+"");if(e.length){this._buffer.push(e);this._bufferLength+=e.length}if(this._bufferLength>=this._chunkSize){if(this._paused){this._needDrain=true;return false}this._emitChunk()}return true};f.prototype.pause=function(){this._paused=true};f.prototype.resume=function(){this._paused=false;return this._emitChunk()};f.prototype.end=function(e){if(typeof e==="function")cb=e,e=null;if(e)this.write(e);this._ended=true;this.flush()};f.prototype.flush=function(){this._emitChunk(true)};f.prototype._emitChunk=function(e){if(e&&this._zeroes){var t=this._bufferLength%this._chunkSize;if(t!==0)t=this._chunkSize-t;if(t>0){this._buffer.push(this._zeroes.slice(0,t));this._bufferLength+=t}}if(this._emitting||this._paused)return;this._emitting=true;var r=0;while(this._bufferLength>=this._chunkSize&&(e||!this._paused)){var i,o=0,a=this._chunkSize;while(a>0&&(e||!this._paused)){var f=this._buffer[r],u=f.length-this._offset;if(i||u<a){i=i||new n(this._chunkSize);f.copy(i,o,this._offset,this._offset+Math.min(u,a))}else if(f.length===a&&this._offset===0){i=f}else{i=f.slice(this._offset,this._offset+a)}if(u>a){this._offset+=a;a=0}else{a-=u;o+=u;r++;this._offset=0}}this._bufferLength-=this._chunkSize;s(i.length===this._chunkSize);this.emit("data",i);i=null}this._buffer=this._buffer.slice(r);if(this._paused){this._needsDrain=true;this._emitting=false;return}var c=this._buffer.length;if(e&&!this._zeroes&&c){if(c===1){if(this._offset){this.emit("data",this._buffer[0].slice(this._offset))}else{this.emit("data",this._buffer[0])}}else{var a=this._bufferLength,i=new n(a),o=0;for(var l=0;l<c;l++){var 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instanceof f))return new f(e,t);s.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.length=t.end-t.start+1;var i=t.start+e.offset;var a=t.pieceLength;r.startPiece=i/a|0;r.endPiece=(t.end+e.offset)/a|0;r._extname=o.extname(e.name);r._storage=e.storage;r._piece=r.startPiece;r._missing=r.length;r._reading=false;r._notifying=false;r._destroyed=false;r._criticalLength=Math.min(1024*1024/a|0,2);r._offset=i-r.startPiece*a}f.prototype._read=function(){n("_read");var e=this;if(e._reading)return;e._reading=true;e.notify()};f.prototype.notify=function(){n("notify");var e=this;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=s.Readable.prototype.pipe;if(e&&(e.nodeName==="VIDEO"||e.nodeName==="AUDIO")){var n={".webm":'video/webm; codecs="vorbis,vp8"',".mp4":'video/mp4; codecs="avc1.42c01e,mp4a.40.2"',".mp3":"audio/mpeg"}[t._extname];return r.call(t,new a(e,{type:n}))}else{return r.call(t,e)}};f.prototype.destroy=function(){var e=this;if(e._destroyed)return;e._destroyed=true}},{"./media-stream":2,debug:45,inherits:53,path:17,stream:30}],2:[function(e,t,r){t.exports=f;var n=e("debug")("webtorrent:media-stream");var i=e("inherits");var o=e("once");var s=e("stream");var a=typeof window!=="undefined"&&window.MediaSource;i(f,s.Writable);function f(e,t){var r=this;if(!(r instanceof f))return new f(e,t);s.Writable.call(r,t);if(!a)throw new Error("web browser lacks MediaSource support");r.media=e;t=t||{};t.type=t.type||'video/webm; codecs="vorbis,vp8"';n("new mediastream %s %s",e,JSON.stringify(t));r._mediaSource=new a;r._playing=false;r._sourceBuffer=null;r._cb=null;r.media.src=window.URL.createObjectURL(r._mediaSource);var i=o(function(){r._sourceBuffer=r._mediaSource.addSourceBuffer(t.type);r._sourceBuffer.addEventListener("updateend",r._flow.bind(r));r._flow()});r._mediaSource.addEventListener("webkitsourceopen",i,false);r._mediaSource.addEventListener("sourceopen",i,false);r.on("finish",function(){n("finish");r._mediaSource.endOfStream()});window.vs=r}f.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;if(!i._playing){i.media.play();i._playing=true}};f.prototype._flow=function(){var e=this;n("flow");if(e._cb){e._cb(null)}}},{debug:45,inherits:53,once:56,stream:30}],3:[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 o=t.pieces[i];if(o===n){r.push(i)}else if(o<n){r=[i];n=o}}if(r.length>0){return r[Math.random()*r.length|0]}else{return-1}}},{}],4:[function(e,t,r){(function(r,n,i){t.exports=E;var o=e("bitfield");var s=e("block-stream");var a=e("debug")("webtorrent:storage");var f=e("dezalgo");var u=e("end-of-stream");var c=e("events").EventEmitter;var l=e("./file-stream");var h=e("inherits");var d=e("multistream");var p=e("once");var g=e("simple-sha1");var v=16*1024;var m=0;var y=1;var _=2;function w(){}h(b,c);function b(e,t,r,n){var i=this;c.call(i);if(!a.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()}b.prototype.readBlock=function(e,t,r){var n=this;r=f(r);if(!n.buffer||!n._verifyOffset(e)){return r(new Error("invalid block offset "+e))}r(null,n.buffer.slice(e,e+t))};b.prototype.writeBlock=function(e,t,r){var n=this;r=f(r);if(!n._verifyOffset(e)||!n._verifyBlock(e,t)){return r(new Error("invalid block "+e+":"+t.length))}n._lazyAllocBuffer();var i=e/v;if(n.blocks[i]===_){return r(null)}t.copy(n.buffer,e);n.blocks[i]=_;n.blocksWritten+=1;if(n.blocksWritten===n.blocks.length){n.verify()}r(null)};b.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]===_){continue}t.blocks[n]=y;return{offset:n*v,length:n===r-1?t.length-n*v:v}}return null};b.prototype.cancelBlock=function(e){var t=this;if(!t._verifyOffset(e)){return false}var r=e/v;if(t.blocks[r]===y){t.blocks[r]=m}return true};b.prototype._reset=function(){var e=this;e.verified=false;e.blocks=new i(Math.ceil(e.length/v));e.blocks.fill(0);e.blocksWritten=0};b.prototype.verify=function(e){var t=this;e=e||t.buffer;if(t.verified||!e){return}if(t.noVerify){t.verified=true;r();return}g(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()}}};b.prototype._verifyOffset=function(e){var t=this;if(e%v===0){return true}else{t.emit("warning",new Error("invalid block offset "+e+", not multiple of "+v));return false}};b.prototype._verifyBlock=function(e,t){var r=this;if(t.length===v){return true}else if(t.length===r.length-e&&r.length-e<v){return true}else{r.emit("warning",new Error("invalid block size "+t.length));return false}};b.prototype._lazyAllocBuffer=function(){var e=this;if(!e.buffer){e.buffer=new i(e.length)}};h(k,c);function k(e,t,r,n){var i=this;c.call(i);if(!a.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));u(r,function(){t.storage.emit("deselect",r.startPiece,r.endPiece,true)});return r};k.prototype.getBlobURL=function(e){var t=this;if(n.URL===undefined||n.Blob===undefined){return e(new Error("file.getBlobURL requires window.URL window.Blob support"))}t.getBuffer(function(t,r){if(t)return e(t);var i=n.URL.createObjectURL(new n.Blob([r]));e(null,i)})};k.prototype.getBuffer=function(e){var t=this;var r=new i(t.length);var n=0;t.createReadStream().on("data",function(e){e.copy(r,n);n+=e.length}).on("end",function(){e(null,r)})};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")})}};h(E,c);function E(e,t){var r=this;c.call(r);if(!a.enabled)r.setMaxListeners(0);t=t||{};r.bitfield=new o(e.pieces.length);r.done=false;r.closed=false;r.readonly=true;if(!t.nobuffer){r.buffer=new i(e.length)}var n=r.pieceLength=e.pieceLength;var s=e.lastPieceLength;var f=e.pieces.length;r.pieces=e.pieces.map(function(e,i){var o=i*n;var a=o+(i===f-1?s:n);var u=r.buffer?r.buffer.slice(o,a):a-o;var c=new b(i,e,u,!!t.noVerify);c.on("done",r._onPieceDone.bind(r,c));return c});r.files=e.files.map(function(e){var t=e.offset;var i=t+e.length-1;var o=t/n|0;var s=i/n|0;var a=r.pieces.slice(o,s+1);var f=new k(r,e,a,n);f.on("done",r._onFileDone.bind(r,f));return f})}E.BLOCK_LENGTH=v;E.prototype.load=function(e,t){var r=this;if(!Array.isArray(e))e=[e];t=p(t||function(){});r.once("done",function(){t(null)});var n=0;new d(e).pipe(new s(r.pieceLength,{nopad:true})).on("data",function(e){var t=n;n+=1;var i=0;var o=new s(v,{nopad:true});o.on("data",function(e){var n=i*v;i+=1;r.writeBlock(t,n,e)});o.end(e)}).on("error",t)};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*v)},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=f(n);var o=i.pieces[e];if(!o)return n(new Error("invalid piece index "+e));o.readBlock(t,r,n)};E.prototype.writeBlock=function(e,t,r,n){var i=this;if(!n)n=w;n=f(n);if(i.readonly)return n(new Error("cannot write to readonly storage"));var o=i.pieces[e];if(!o)return n(new Error("invalid piece index "+e));o.writeBlock(t,r,n)};E.prototype.read=function(e,t,r,n){var o=this;if(typeof t==="function"){n=r;r=t;t=null}r=f(r);var s=o.pieces[e];if(!s){return r(new Error("invalid piece index "+e))}if(!s.verified&&!n){return r(new Error("Storage.read called on incomplete piece "+e))}var a=0;var u=s.length;if(t){a=t.offset||0;u=t.length||u}if(s.buffer){return r(null,s.buffer.slice(a,a+u))}var c=[];function l(){if(u<=0)return r(null,i.concat(c));var t=a;var n=Math.min(v,u);a+=n;u-=n;o.readBlock(e,t,n,function(e,t){if(e)return r(e);c.push(t);l()})}l()};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)f(e)(null)};E.prototype.close=function(e){var t=this;t.closed=true;if(e)f(e)(null)};E.prototype._onPieceDone=function(e){var t=this;t.bitfield.set(e.index);a("piece done "+e.index+" ("+t.numMissing+" still missing)");t.emit("piece",e)};E.prototype._onFileDone=function(e){var t=this;a("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"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./file-stream":1,_process:18,bitfield:6,"block-stream":7,buffer:11,debug:45,dezalgo:48,"end-of-stream":51,events:15,inherits:53,multistream:54,once:56,"simple-sha1":69}],5:[function(e,t,r){(function(r){t.exports=L;var n=e("addr-to-ip-port");var i=e("debug")("webtorrent:torrent");var o=e("torrent-discovery");var s=e("events").EventEmitter;var a=e("fs");var f=e("simple-get");var u=e("inherits");var c=e("run-parallel");var l=e("parse-torrent");var h=e("re-emitter");var d=e("bittorrent-swarm");var p=e("ut_metadata");var g=e("ut_pex");var v=e("./rarity-map");var m=e("./server");var y=e("./storage");var _=128*1024;var w=1e4;var b=5e3;var k=3*y.BLOCK_LENGTH;var E=.5;var x=1;var S=1e4;var I=2;function A(){}u(L,s);function L(e,t){var n=this;s.call(n);if(!i.enabled)n.setMaxListeners(0);i("new torrent");n.client=t.client;n.hotswapEnabled="hotswap"in t?t.hotswap:true;n.verify=t.verify;n.storageOpts=t.storageOpts;n.chokeTimeout=t.chokeTimeout||b;n.pieceTimeout=t.pieceTimeout||w;n.strategy=t.strategy||"sequential";n._rechokeNumSlots=t.uploads===false||t.uploads===0?0:+t.uploads||10;n._rechokeOptimisticWire=null;n._rechokeOptimisticTime=0;n._rechokeIntervalId=null;n.ready=false;n.files=[];n.metadata=null;n.parsedTorrent=null;n.storage=null;n.numBlockedPeers=0;n._amInterested=false;n._destroyed=false;n._selections=[];n._critical=[];n._storageImpl=t.storage||y;var o;try{o=e&&e.parsedTorrent||l(e)}catch(u){}if(o&&o.infoHash){c(o)}else if(typeof f==="function"&&/^https?:/.test(e)){f.concat({url:e,headers:{"user-agent":"WebTorrent (http://webtorrent.io)"}},function(e,t){if(e){e=new Error("Error downloading torrent: "+e.message);return n.emit("error",e)}c(t)})}else if(typeof a.readFile==="function"){a.readFile(e,function(e,t){if(e)return n.emit("error",new Error("Invalid torrent identifier"));c(t)})}else throw new Error("Invalid torrent identifier");function c(e){try{n.parsedTorrent=l(e)}catch(t){return n.emit("error",new Error("Malformed torrent data: "+t.message))}n.infoHash=n.parsedTorrent.infoHash;if(!n.infoHash){return n.emit("error",new Error("Malformed torrent data: Missing info hash."))}if(n.parsedTorrent.name)n.name=n.parsedTorrent.name;n.swarm=new d(n.infoHash,n.client.peerId,{handshake:{dht:!!n.client.dht}});h(n.swarm,n,["warning","error"]);n.swarm.on("wire",n._onWire.bind(n));n.swarm.on("download",n.client.downloadSpeed.bind(n.client));n.swarm.on("upload",n.client.uploadSpeed.bind(n.client));if(r.browser){n._onSwarmListening()}else{n.swarm.listen(n.client.torrentPort,n._onSwarmListening.bind(n))}r.nextTick(function(){n.emit("infoHash")})}}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 l.toMagnetURI(this.parsedTorrent)}});L.prototype._onSwarmListening=function(e){var t=this;if(t._destroyed)return;t.client.torrentPort=e;t.discovery=new o({announce:t.parsedTorrent.announce,dht:t.client.dht,tracker:t.client.tracker,peerId:t.client.peerId,port:e,rtcConfig:t.client.rtcConfig});t.discovery.setTorrent(t.infoHash);t.discovery.on("peer",t.addPeer.bind(t));h(t.discovery,t,["dhtAnnounce","warning","error"]);if(t.parsedTorrent.info)t._onMetadata(t.parsedTorrent);t.emit("listening",e)};L.prototype._onMetadata=function(e){var t=this;if(t.metadata||t._destroyed)return;i("got metadata");if(e&&e.infoHash){t.metadata=l.toTorrentFile(e);t.parsedTorrent=e}else{t.metadata=e;try{t.parsedTorrent=l(t.metadata)}catch(n){return t.emit("error",n)}}t.name=t.parsedTorrent.name;t.discovery.setTorrent(t.parsedTorrent);t.rarityMap=new v(t.swarm,t.parsedTorrent.pieces.length);t.storage=new t._storageImpl(t.parsedTorrent,t.storageOpts);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();i("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(){i("verifying existing torrent data");var e=0;var r=0;c(t.storage.pieces.map(function(n){return function(o){t.storage.read(n.index,function(s,a){e+=1;t.emit("verifying",{percentDone:100*e/t.storage.pieces.length,percentVerified:100*r/t.storage.pieces.length});if(!s&&a){n.verify(a);r+=n.verified;i("piece "+(n.verified?"verified":"invalid")+" "+n.index)}o()},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;i("destroy");t._destroyed=true;clearInterval(t._rechokeIntervalId);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)});c(r,e)};L.prototype.addPeer=function(e){var t=this;if(typeof e==="string"&&t.client.blocked&&t.client.blocked.contains(n(e)[0])){t.numBlockedPeers+=1;t.emit("blocked-peer",e);return false}else{t.emit("peer",e);t.swarm.addPeer(e);return true}};L.prototype.select=function(e,t,r,n){var o=this;if(e>t||e<0||t>=o.storage.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;i("select %s-%s (priority %s)",e,t,r);o._selections.push({from:e,to:t,offset:0,priority:r,notify:n||A});o._selections.sort(function(e,t){return t.priority-e.priority});o._updateSelections()};L.prototype.deselect=function(e,t,r){var n=this;r=Number(r)||0;i("deselect %s-%s (priority %s)",e,t,r);for(var o=0;o<n._selections.length;++o){var s=n._selections[o];if(s.from===e&&s.to===t&&s.priority===r){n._selections.splice(o--,1);break}}n._updateSelections()};L.prototype.critical=function(e,t){var r=this;i("critical %s-%s",e,t);for(var n=e;n<=t;++n){r._critical[n]=true}r._updateSelections()};L.prototype._onWire=function(e){var t=this;e.use(p(t.metadata));if(!t.metadata){e.ut_metadata.on("metadata",function(e){i("got metadata via ut_metadata");t._onMetadata(e)});e.ut_metadata.fetch()}if(typeof g==="function"){e.use(g());e.ut_pex.on("peer",function(e){i("got peer via ut_pex "+e);t.addPeer(e)});e.ut_pex.on("dropped",function(e){if(!(e in t.swarm._peers))t.swarm.removePeer(e)})}e.setKeepAlive(true);if(e.peerExtensions.dht&&t.client.dht&&t.client.dht.listening){e.port(t.client.dht.address().port)}e.on("port",function(t){i("port %s message from %s",t,e.remoteAddress)});e.on("timeout",function(){i("wire timeout from "+e.remoteAddress);e.destroy()});e.setTimeout(t.pieceTimeout);if(t.metadata){t._onWireWithMetadata(e)}};L.prototype._onWireWithMetadata=function(e){var t=this;var r=null;var n=t.chokeTimeout;function o(){if(t._destroyed||e._destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(o,n)}}var s=0;function a(){if(e.peerPieces.length!==t.storage.pieces.length)return;for(;s<t.storage.pieces.length;++s){if(!e.peerPieces.get(s))return}e.isSeeder=true;e.choke()}e.on("bitfield",function(){a();t._update()});e.on("have",function(){a();t._update()});e.once("interested",function(){e.unchoke()});e.on("close",function(){clearTimeout(r)});e.on("choke",function(){clearTimeout(r);r=setTimeout(o,n)});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,n,o,s){if(o>_){i(e.remoteAddress,"requested invalid block size",o);return e.destroy()}t.storage.readBlock(r,n,o,s)});e.bitfield(t.storage.bitfield);e.interested();r=setTimeout(o,n);e.isSeeder=false;a()};L.prototype._onStorage=function(){var e=this;if(e._destroyed)return;i("on storage");e.storage.readonly=false;e.select(0,e.storage.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),S);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();r.nextTick(function(){e.ready=true;e.emit("ready")})};L.prototype._onStoragePiece=function(e){var t=this;i("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;R(e.swarm.wires,e._updateWire.bind(e))};L.prototype._updateWire=function(e){var t=this;if(e.peerChoking)return;if(!e.downloaded)return o();var r=B(e,E);if(e.requests.length>=r)return;var n=B(e,x);f(false)||f(true);function i(t,r,n,i){return function(o){return o>=t&&o<=r&&!(o in n)&&e.peerPieces.get(o)&&(!i||i(o))}}function o(){if(e.requests.length)return;for(var r=t._selections.length;r--;){var n=t._selections[r];var o;if(t.strategy==="rarest"){var s=n.from+n.offset;var a=n.to;var f=a-s+1;var u={};var c=0;var l=i(s,a,u);while(c<f){o=t.rarityMap.getRarestPiece(l);if(o<0)break;if(t._request(e,o,false))return;u[o]=true;c+=1}}else{for(o=n.to;o>=n.from+n.offset;--o){if(!e.peerPieces.get(o))continue;if(t._request(e,o,false))return}}}}function s(){var r=e.downloadSpeed()||1;if(r>k)return function(){return true};var n=Math.max(1,e.requests.length)*y.BLOCK_LENGTH/r;var i=10;var o=0;return function(e){if(!i||t.storage.bitfield.get(e))return true;var s=t.storage.pieces[e];var a=s.blocks.length-s.blocksWritten;for(;o<t.swarm.wires.length;o++){var f=t.swarm.wires[o];var u=f.downloadSpeed();if(u<k)continue;if(u<=r)continue;if(!f.peerPieces.get(e))continue;if((a-=u*n)>0)continue;i--;return false}return true}}function a(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 o=s();for(var f=0;f<t._selections.length;f++){var u=t._selections[f];var c;if(t.strategy==="rarest"){var l=u.from+u.offset;var h=u.to;var d=h-l+1;var p={};var g=0;var v=i(l,h,p,o);while(g<d){c=t.rarityMap.getRarestPiece(v);if(c<0)break;while(t._request(e,c,t._critical[c]||r)){}if(e.requests.length<n){p[c]=true;g++;continue}if(u.priority)a(f);return true}}else{for(c=u.from+u.offset;c<=u.to;c++){if(!e.peerPieces.get(c)||!o(c))continue;while(t._request(e,c,t._critical[c]||r)){}if(e.requests.length<n)continue;if(u.priority)a(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(s);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 o=i[T(i.length)];if(o){o.isChoked=false;e._rechokeOptimisticWire=o.wire;e._rechokeOptimisticTime=I}}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}};L.prototype._hotswap=function(e,t){var r=this;if(!r.hotswapEnabled)return false;var n=e.downloadSpeed();if(n<y.BLOCK_LENGTH)return false;if(!r._reservations[t])return false;var i=r._reservations[t];if(!i){return false}var o=Infinity;var s;var a;for(a=0;a<i.length;a++){var f=i[a];if(!f||f===e)continue;var u=f.downloadSpeed();if(u>=k)continue;if(2*u>n||u>o)continue;s=f;o=u}if(!s)return false;for(a=0;a<i.length;a++){if(i[a]===s)i[a]=null}for(a=0;a<s.requests.length;a++){var c=s.requests[a];if(c.piece!==t)continue;r.storage.cancelBlock(t,c.offset)}r.emit("hotswap",s,e,t);return true};L.prototype._request=function(e,t,n){var o=this;var s=e.requests.length;if(o.storage.bitfield.get(t))return false;var a=B(e,x);if(s>=a)return false;var f=e.requests.length===0&&o.storage.numMissing<30;var u=o.storage.reserveBlock(t,f);if(!u&&!f&&n&&o._hotswap(e,t)){u=o.storage.reserveBlock(t,false)}if(!u)return false;var c=o._reservations[t];if(!c){c=o._reservations[t]=[]}var l=c.indexOf(null);if(l===-1)l=c.length;c[l]=e;function h(n,s){if(!o.ready){o.once("ready",function(){h(n,s)});return}if(c[l]===e)c[l]=null;if(n){i("error getting piece %s (offset: %s length: %s) from %s: %s",t,u.offset,u.length,e.remoteAddress,n.message);o.storage.cancelBlock(t,u.offset);r.nextTick(o._update.bind(o));return false}else{i("got piece %s (offset: %s length: %s) from %s",t,u.offset,u.length,e.remoteAddress);o.storage.writeBlock(t,u.offset,s,function(e){if(e){i("error writing block");o.storage.cancelBlock(t,u.offset)}r.nextTick(o._update.bind(o))})}}e.request(t,u.offset,u.length,h);return true};L.prototype.createServer=function(e){var t=this;if(typeof m==="function"){return new m(t,e)}};function B(e,t){return Math.ceil(2+t*e.downloadSpeed()/y.BLOCK_LENGTH)}function T(e){return Math.random()*e|0}function R(e,t){var r=e.map(function(e,t){return t});for(var n=r.length-1;n>0;--n){var i=T(n+1);var o=r[n];r[n]=r[i];r[i]=o}r.forEach(function(r){t(e[r],r,e)})}}).call(this,e("_process"))},{"./rarity-map":3,"./server":10,"./storage":4,_process:18,"addr-to-ip-port":10,"bittorrent-swarm":83,debug:45,events:15,fs:8,inherits:53,"parse-torrent":57,"re-emitter":67,"run-parallel":68,"simple-get":10,"torrent-discovery":72,ut_metadata:78,ut_pex:10}],6:[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:11}],7:[function(e,t,r){(function(r,n){t.exports=f;var i=e("stream").Stream,o=e("inherits"),s=e("assert").ok,a=r.env.DEBUG?console.error:function(){};function f(e,t){this.writable=this.readable=true;this._opt=t||{};this._chunkSize=e||512;this._offset=0;this._buffer=[];this._bufferLength=0;if(this._opt.nopad)this._zeroes=false;else{this._zeroes=new n(this._chunkSize);for(var r=0;r<this._chunkSize;r++){this._zeroes[r]=0}}}o(f,i);f.prototype.write=function(e){if(this._ended)throw new Error("BlockStream: write after end");if(e&&!n.isBuffer(e))e=new n(e+"");if(e.length){this._buffer.push(e);this._bufferLength+=e.length}if(this._bufferLength>=this._chunkSize){if(this._paused){this._needDrain=true;return false}this._emitChunk()}return true};f.prototype.pause=function(){this._paused=true};f.prototype.resume=function(){this._paused=false;return this._emitChunk()};f.prototype.end=function(e){if(typeof e==="function")cb=e,e=null;if(e)this.write(e);this._ended=true;this.flush()};f.prototype.flush=function(){this._emitChunk(true)};f.prototype._emitChunk=function(e){if(e&&this._zeroes){var t=this._bufferLength%this._chunkSize;if(t!==0)t=this._chunkSize-t;if(t>0){this._buffer.push(this._zeroes.slice(0,t));this._bufferLength+=t}}if(this._emitting||this._paused)return;this._emitting=true;var r=0;while(this._bufferLength>=this._chunkSize&&(e||!this._paused)){var i,o=0,a=this._chunkSize;while(a>0&&(e||!this._paused)){var f=this._buffer[r],u=f.length-this._offset;if(i||u<a){i=i||new n(this._chunkSize);f.copy(i,o,this._offset,this._offset+Math.min(u,a))}else if(f.length===a&&this._offset===0){i=f}else{i=f.slice(this._offset,this._offset+a)}if(u>a){this._offset+=a;a=0}else{a-=u;o+=u;r++;this._offset=0}}this._bufferLength-=this._chunkSize;s(i.length===this._chunkSize);this.emit("data",i);i=null}this._buffer=this._buffer.slice(r);if(this._paused){this._needsDrain=true;this._emitting=false;return}var c=this._buffer.length;if(e&&!this._zeroes&&c){if(c===1){if(this._offset){this.emit("data",this._buffer[0].slice(this._offset))}else{this.emit("data",this._buffer[0])}}else{var a=this._bufferLength,i=new n(a),o=0;for(var l=0;l<c;l++){var f=this._buffer[l],u=f.length-this._offset;f.copy(i,o,this._offset);this._offset=0;o+=u;this._bufferLength-=u}this.emit("data",i)}this._buffer.length=0;this._bufferLength=0;this._offset=0}if(this._needDrain){this._needDrain=false;this.emit("drain")}if(this._bufferLength===0&&this._ended&&!this._endEmitted){this._endEmitted=true;this.emit("end")}this._emitting=false}}).call(this,e("_process"),e("buffer").Buffer)},{_process:18,assert:9,buffer:11,inherits:53,stream:30}],8:[function(e,t,r){},{}],9:[function(e,t,r){var n=e("util/");var i=Array.prototype.slice;var o=Object.prototype.hasOwnProperty;var s=t.exports=l;s.AssertionError=function y(e){this.name="AssertionError";this.actual=e.actual;this.expected=e.expected;this.operator=e.operator;if(e.message){this.message=e.message;this.generatedMessage=false}else{this.message=u(this);this.generatedMessage=true}var t=e.stackStartFunction||c;if(Error.captureStackTrace){Error.captureStackTrace(this,t)}else{var r=new Error;if(r.stack){var n=r.stack;var i=t.name;var o=n.indexOf("\n"+i);if(o>=0){var s=n.indexOf("\n",o+1);n=n.substring(s+1)}this.stack=n}}};n.inherits(s.AssertionError,Error);function a(e,t){if(n.isUndefined(t)){return""+t}if(n.isNumber(t)&&!isFinite(t)){return t.toString()}if(n.isFunction(t)||n.isRegExp(t)){return t.toString()}return t}function f(e,t){if(n.isString(e)){return e.length<t?e:e.slice(0,t)}else{return e}}function u(e){return f(JSON.stringify(e.actual,a),128)+" "+e.operator+" "+f(JSON.stringify(e.expected,a),128)}function c(e,t,r,n,i){throw new s.AssertionError({message:r,actual:e,expected:t,operator:n,stackStartFunction:i})}s.fail=c;function l(e,t){
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i=e("parse-torrent-file");t.exports=function o(e){var t=e&&e.length;if(typeof e==="string"&&/magnet:/.test(e)){return n(e)}else if(typeof e==="string"&&(t===40||t===32)){return n("magnet:?xt=urn:btih:"+e)}else if(r.isBuffer(e)&&t===20){return{infoHash:e.toString("hex")}}else if(r.isBuffer(e)){return i(e)}else if(e&&e.infoHash){return e}else{throw new Error("Invalid torrent identifier")}};t.exports.toMagnetURI=n.encode;t.exports.toTorrentFile=i.encode}).call(this,e("buffer").Buffer)},{buffer:11,"magnet-uri":69,"parse-torrent-file":74}],69:[function(e,t,r){(function(r){t.exports=s;t.exports.decode=s;t.exports.encode=a;var n=e("thirty-two");var i=e("xtend");var o=e("flatten");function s(e){var t={};var i=e.split("magnet:?")[1];var o=i&&i.length>=0?i.split("&"):[];o.forEach(function(e){var r=e.split("=");if(r.length!==2)return;var n=r[0];var i=r[1];if(n==="dn")i=decodeURIComponent(i).replace(/\+/g," 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t={info:e.info};if(e.announce&&e.announce[0]){t.announce=e.announce[0]}if(e.announceList){t["announce-list"]=e.announceList.map(function(e){return e.map(function(e){e=new r(e,"utf8");if(!t.announce){t.announce=e}return e})})}if(e.created){t["creation date"]=e.created.getTime()/1e3|0}return n.encode(t)}function f(e,t){return e+t.length}function u(e){var t=[];for(var r=0;r<e.length;r+=20){t.push(e.slice(r,r+20).toString("hex"))}return t}function c(e,t){if(!e)throw new Error("Torrent is missing required field: 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i==="function",rtcConfig:null,peerId:null,port:0,tracker:true},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(r.browser&&(!t.announce||t.announce.length===0)){console.warn("Warning: specify a tracker server to discover peers. "+"Required in browser because DHT is not implemented yet. "+"(You can use wss://tracker.webtorrent.io.)")}if(t.dht)t._createDHT(t.dhtPort)}c.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))}};c.prototype.stop=function(e){var t=this;if(t.tracker&&t.tracker.stop)t.tracker.stop();if(!t._externalDHT&&t.dht&&t.dht.destroy)t.dht.destroy(e);else r.nextTick(function(){e(null)})};c.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)};c.prototype._createTracker=function(){var e=this;if(!e.tracker)return;var t=e.torrent||{infoHash:e.infoHash,announce:e.announce};e.tracker=r.browser?new u(e.peerId,t,{rtcConfig:e.rtcConfig}):new u(e.peerId,e.port,t);f(e.tracker,e,["peer","warning","error"]);e.tracker.start()};c.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"));
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o=0;e[0].replace(/%[a-z%]/g,function(e){if("%%"===e)return;i++;if("%c"===e){o=i}});e.splice(o,0,n);return e}function s(){return"object"===typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function a(e){try{if(null==e){n.removeItem("debug")}else{n.debug=e}}catch(t){}}function f(){var e;try{e=n.debug}catch(t){}return e}r.enable(f())},{"./debug":88}],88:[function(e,t,r){arguments[4][56][0].apply(r,arguments)},{dup:56,ms:89}],89:[function(e,t,r){var n=1e3;var i=n*60;var o=i*60;var s=o*24;var a=s*365.25;t.exports=function(e,t){t=t||{};if("string"==typeof e)return f(e);return t.long?c(e):u(e)};function f(e){var t=/^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(e);if(!t)return;var r=parseFloat(t[1]);var f=(t[2]||"ms").toLowerCase();switch(f){case"years":case"year":case"y":return r*a;case"days":case"day":case"d":return r*s;case"hours":case"hour":case"h":return r*o;case"minutes":case"minute":case"m":return r*i;case"seconds":case"second":case"s":return r*n;case"ms":return r}}function u(e){if(e>=s)return Math.round(e/s)+"d";if(e>=o)return Math.round(e/o)+"h";if(e>=i)return Math.round(e/i)+"m";if(e>=n)return Math.round(e/n)+"s";return e+"ms"}function c(e){return l(e,s,"day")||l(e,o,"hour")||l(e,i,"minute")||l(e,n,"second")||e+" ms"}function l(e,t,r){if(e<t)return;if(e<t*1.5)return Math.floor(e/t)+" "+r;return Math.ceil(e/t)+" "+r+"s"}},{}],90:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40}],91:[function(e,t,r){arguments[4][81][0].apply(r,arguments)},{dup:81,events:15}],92:[function(e,t,r){(function(r){t.exports=h;var n=e("debug")("webtorrent-tracker");var i=e("events").EventEmitter;var o=e("xtend");var s=e("hat");var a=e("inherits");var f=e("simple-peer");var u=e("simple-websocket");var c=15;a(h,i);var l={};function h(e,t,o){var s=this;if(!(s instanceof h))return new h(e,t,o);i.call(s);s._opts=o||{};s._peerId=r.isBuffer(e)?e:new r(e,"hex");s._infoHash=r.isBuffer(t.infoHash)?t.infoHash:new r(t.infoHash,"hex");s.torrentLength=t.length;s._numWant=s._opts.numWant||c;s._intervalMs=s._opts.interval||30*60*1e3;n("new client %s",s._infoHash.toString("hex"));if(typeof t.announce==="string")t.announce=[t.announce];s._trackers=(t.announce||[]).filter(function(e){return e.indexOf("ws://")===0||e.indexOf("wss://")===0}).map(function(e){return new d(s,e,s._opts)})}h.prototype.start=function(e){var t=this;t._trackers.forEach(function(t){t.start(e)})};h.prototype.stop=function(e){var t=this;t._trackers.forEach(function(t){t.stop(e)})};h.prototype.complete=function(e){var t=this;t._trackers.forEach(function(t){t.complete(e)})};h.prototype.update=function(e){var t=this;t._trackers.forEach(function(t){t.update(e)})};h.prototype.setInterval=function(e){var t=this;t._intervalMs=e;t._trackers.forEach(function(t){t.setInterval(e)})};a(d,i);function d(e,t,r){var o=this;i.call(o);o._opts=r||{};o._announceUrl=t;o._peers={};n("new tracker %s",t);o.client=e;o.ready=false;o._socket=null;o._intervalMs=o.client._intervalMs;o._interval=null}d.prototype.start=function(e){var t=this;e=e||{};e.event="started";n("sent `start` %s %s",t._announceUrl,JSON.stringify(e));t._announce(e);t.setInterval(t._intervalMs)};d.prototype.stop=function(e){var t=this;e=e||{};e.event="stopped";n("sent `stop` %s %s",t._announceUrl,JSON.stringify(e));t._announce(e);t.setInterval(0)};d.prototype.complete=function(e){var t=this;e=e||{};e.event="completed";e.downloaded=e.downloaded||t.torrentLength||0;n("sent `complete` %s %s",t._announceUrl,JSON.stringify(e));t._announce(e)};d.prototype.update=function(e){var t=this;e=e||{};n("sent `update` %s %s",t._announceUrl,JSON.stringify(e));t._announce(e)};d.prototype._init=function(e){var t=this;if(e)t.once("ready",e);if(t._socket)return;if(l[t._announceUrl]){t._socket=l[t._announceUrl];t._onSocketReady()}else{t._socket=l[t._announceUrl]=new u(t._announceUrl);t._socket.on("ready",t._onSocketReady.bind(t))}t._socket.on("warning",t._onSocketWarning.bind(t));t._socket.on("error",t._onSocketWarning.bind(t));t._socket.on("message",t._onSocketMessage.bind(t))};d.prototype._onSocketReady=function(){var e=this;e.ready=true;e.emit("ready")};d.prototype._onSocketWarning=function(e){n("tracker warning %s",e.message)};d.prototype._onSocketMessage=function(e){var t=this;if(!(typeof e==="object"&&e!==null))return t.client.emit("warning",new Error("Invalid tracker response"));if(e.info_hash!==t.client._infoHash.toString("binary"))return;n("received %s from %s",JSON.stringify(e),t._announceUrl);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 o=e.interval||e["min interval"];if(o&&!t._opts.interval&&t._intervalMs!==0){t.setInterval(o*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 a;if(e.offer){a=new f({trickle:false,config:t._opts.rtcConfig});a.id=p(e.peer_id);a.once("signal",function(r){var n={info_hash:t.client._infoHash.toString("binary"),peer_id:t.client._peerId.toString("binary"),to_peer_id:e.peer_id,answer:r,offer_id:e.offer_id};if(t._trackerId)n.trackerid=t._trackerId;t._send(n)});a.signal(e.offer);t.client.emit("peer",a)}if(e.answer){a=t._peers[e.offer_id];if(a){a.id=p(e.peer_id);a.signal(e.answer);t.client.emit("peer",a)}else{n("got unexpected answer: "+JSON.stringify(e.answer))}}};d.prototype._announce=function(e){var t=this;if(!t.ready)return t._init(t._announce.bind(t,e));t._generateOffers(function(r){e=o({uploaded:0,downloaded:0,info_hash:t.client._infoHash.toString("binary"),peer_id:t.client._peerId.toString("binary"),offers:r},e);if(t.client.torrentLength!=null&&e.left==null){e.left=t.client.torrentLength-(e.downloaded||0)}if(t._trackerId){e.trackerid=t._trackerId}t._send(e)})};d.prototype._send=function(e){var t=this;n("send %s",JSON.stringify(e));t._socket.send(e)};d.prototype._generateOffers=function(e){var t=this;var r=[];n("generating %s offers",t.client._numWant);for(var i=0;i<t.client._numWant;++i){o()}function o(){var e=s(160);var n=t._peers[e]=new f({initiator:true,trickle:false,config:t._opts.rtcConfig});n.once("signal",function(t){r.push({offer:t,offer_id:e});a()})}function a(){if(r.length===t.client._numWant){n("generated %s offers",t.client._numWant);e(r)}}};d.prototype.setInterval=function(e){var t=this;clearInterval(t._interval);t._intervalMs=e;if(e){t._interval=setInterval(t.update.bind(t),t._intervalMs)}};function p(e){return new r(e,"binary").toString("hex")}}).call(this,e("buffer").Buffer)},{buffer:11,debug:93,events:15,hat:96,inherits:97,"simple-peer":98,"simple-websocket":113,xtend:117}],93:[function(e,t,r){arguments[4][55][0].apply(r,arguments)},{"./debug":94,dup:55}],94:[function(e,t,r){arguments[4][56][0].apply(r,arguments)},{dup:56,ms:95}],95:[function(e,t,r){arguments[4][57][0].apply(r,arguments)},{dup:57}],96:[function(e,t,r){arguments[4][62][0].apply(r,arguments)},{dup:62}],97:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40}],98:[function(e,t,r){(function(r){t.exports=g;var n=e("debug")("simple-peer");var i=e("dezalgo");var o=e("xtend/mutable");var s=e("hat");var a=e("inherits");var f=e("is-typedarray");var u=e("once");var c=e("stream");var l=e("typedarray-to-buffer");var h=typeof window!=="undefined"&&(window.mozRTCPeerConnection||window.RTCPeerConnection||window.webkitRTCPeerConnection);var d=typeof window!=="undefined"&&(window.mozRTCSessionDescription||window.RTCSessionDescription||window.webkitRTCSessionDescription);var p=typeof window!=="undefined"&&(window.mozRTCIceCandidate||window.RTCIceCandidate||window.webkitRTCIceCandidate);a(g,c.Duplex);function g(e){var t=this;if(!(t instanceof g))return new g(e);if(!e)e={};e.allowHalfOpen=false;c.Duplex.call(t,e);o(t,{initiator:false,stream:false,config:g.config,constraints:g.constraints,channelName:e&&e.initiator?s(160):null,trickle:true},e);t._debug("new peer (initiator: %s)",t.initiator);t.destroyed=false;t.connected=false;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._buffer=[];t._pc=new h(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._setupVideo(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName)});t._pc.onnegotiationneeded=u(t._createOffer.bind(t));if(window.mozRTCPeerConnection){setTimeout(function(){t._pc.onnegotiationneeded()},0)}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){t.destroy()}else{t.once("connect",function(){setTimeout(function(){t.destroy()},100)})}})}g.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};g.constraints={};g.prototype.send=function(e,t){var r=this;if(t)t=i(t);else t=m;r._write(e,undefined,t)};g.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 d(e),function(){if(t._pc.remoteDescription.type==="offer")t._createAnswer()},t._onError.bind(t))}if(e.candidate){try{t._pc.addIceCandidate(new p(e.candidate),m,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"))}};g.prototype.destroy=function(e,t){var r=this;if(r.destroyed)return;if(typeof e==="function"){t=e;e=null}if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;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;this.readable=this.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();if(e)r.emit("error",e);r.emit("close")};g.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)};g.prototype._setupVideo=function(e){var t=this;t._pc.addStream(e)};g.prototype._read=function(){};g.prototype._write=function(e,t,n){var i=this;if(i.destroyed)return n(new Error("cannot write after peer is destroyed"));var o=e.length||e.byteLength||e.size;if(!i._channelReady){i._debug("_write before ready: length %d",o);i._buffer.push(e);n(null);return}i._debug("_write: length %d",o);if(f.strict(e)||e instanceof ArrayBuffer||typeof e==="string"||r.Blob&&e instanceof r.Blob){i._channel.send(e)}else{i._channel.send(JSON.stringify(e))}n(null)};g.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;v(t);e._pc.setLocalDescription(t,m,e._onError.bind(e));var r=function(){e.emit("signal",e._pc.localDescription||t)};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e))};g.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;v(t);e._pc.setLocalDescription(t,m,e._onError.bind(e));var r=function(){e.emit("signal",e._pc.localDescription||t)};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e))};g.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e.emit("iceConnectionStateChange",t,r);e._debug("iceConnectionStateChange %s %s",t,r);if(r==="connected"||r==="completed"){e._pcReady=true;e._maybeReady()}if(r==="disconnected"||r==="closed"){e.destroy()}};g.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(!e.connected&&e._pcReady&&e._channelReady){e.connected=true;e._buffer.forEach(function(t){e.send(t)});e._buffer=[];e._debug("connect");e.emit("connect")}};g.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e.emit("signalingStateChange",e._pc.signalingState);e._debug("signalingStateChange %s",e._pc.signalingState)};g.prototype._onIceCandidate=function(e){var t=this;if(t.destroyed)return;if(e.candidate&&t.trickle){t.emit("signal",{candidate:e.candidate})}else if(!e.candidate){t._iceComplete=true;t.emit("_iceComplete")}};g.prototype._onChannelMessage=function(e){var t=this;if(t.destroyed)return;var r=e.data;t._debug("on channel message: length %d",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)}};g.prototype._onChannelOpen=function(){var e=this;if(e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};g.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e.destroy()};g.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};g.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t.destroy(e)};g.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 v(e){var t=e.sdp.split("b=AS:30");if(t.length>1)e.sdp=t[0]+"b=AS:1638400"+t[1]}function m(){}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{debug:99,dezalgo:102,hat:105,inherits:106,"is-typedarray":107,once:109,stream:30,"typedarray-to-buffer":110,"xtend/mutable":112}],99:[function(e,t,r){arguments[4][55][0].apply(r,arguments)},{"./debug":100,dup:55}],100:[function(e,t,r){arguments[4][56][0].apply(r,arguments)},{dup:56,ms:101}],101:[function(e,t,r){arguments[4][57][0].apply(r,arguments)},{dup:57}],102:[function(e,t,r){arguments[4][58][0].apply(r,arguments)},{asap:103,dup:58,wrappy:104}],103:[function(e,t,r){arguments[4][59][0].apply(r,arguments)},{_process:18,dup:59}],104:[function(e,t,r){arguments[4][48][0].apply(r,arguments)},{dup:48}],105:[function(e,t,r){arguments[4][62][0].apply(r,arguments)},{dup:62}],106:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40}],107:[function(e,t,r){arguments[4][43][0].apply(r,arguments)},{dup:43}],108:[function(e,t,r){arguments[4][48][0].apply(r,arguments)},{dup:48}],109:[function(e,t,r){arguments[4][49][0].apply(r,arguments)},{dup:49,wrappy:108}],110:[function(e,t,r){arguments[4][42][0].apply(r,arguments)},{buffer:11,dup:42,"is-typedarray":111}],111:[function(e,t,r){arguments[4][43][0].apply(r,arguments)},{dup:43}],112:[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}},{}],113:[function(e,t,r){t.exports=a;var n=e("events").EventEmitter;var i=e("inherits");var o=e("once");var s=5e3;i(a,n);function a(e,t){if(!(this instanceof a))return new a(e,t);n.call(this);if(!t)t={};this._url=e;this._reconnect=t.reconnect!==undefined?t.reconnect:s;this._init()}a.prototype.send=function(e){if(this._ws&&this._ws.readyState===WebSocket.OPEN){if(typeof e==="object")e=JSON.stringify(e);this._ws.send(e)}};a.prototype.destroy=function(e){if(e)this.once("close",e);try{this._ws.close()}catch(t){this._onclose()}};a.prototype._init=function(){this._errored=false;this._ws=new WebSocket(this._url);this._ws.onopen=this._onopen.bind(this);this._ws.onmessage=this._onmessage.bind(this);this._ws.onclose=this._onclose.bind(this);this._ws.onerror=o(this._onerror.bind(this))};a.prototype._onopen=function(){this.emit("ready")};a.prototype._onerror=function(e){this._errored=true;this.destroy();if(this._reconnect){this._timeout=setTimeout(this._init.bind(this),this._reconnect);this.emit("warning",e)}else{this.emit("error",e)}};a.prototype._onmessage=function(e){var t=e.data;try{t=JSON.parse(e.data)}catch(r){}this.emit("message",t)};a.prototype._onclose=function(){clearTimeout(this._timeout);if(this._ws){this._ws.onopen=null;this._ws.onerror=null;this._ws.onmessage=null;this._ws.onclose=null}this._ws=null;if(!this._errored)this.emit("close")}},{events:15,inherits:114,once:116}],114:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40}],115:[function(e,t,r){arguments[4][48][0].apply(r,arguments)},{dup:48}],116:[function(e,t,r){arguments[4][49][0].apply(r,arguments)},{dup:49,wrappy:115}],117:[function(e,t,r){arguments[4][73][0].apply(r,arguments)},{dup:73}],118:[function(e,t,r){arguments[4][112][0].apply(r,arguments)},{dup:112}],119:[function(e,t,r){(function(r){var n=e("bencode");var i=e("bitfield");var o=e("events").EventEmitter;var s=e("inherits");var a=e("simple-sha1");var f=1e7;var u=1e3;var c=16*1024;t.exports=function(e){s(t,o);function t(t){o.call(this);this._wire=t;this._metadataComplete=false;this._metadataSize=null;this._remainingRejects=null;this._fetching=false;this._bitfield=new i(0,{grow:u});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/c);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var i=e.toString();var o=i.indexOf("ee")+2;t=n.decode(i.substring(0,o));r=e.slice(o)}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=n.decode(e).info;if(t){e=n.encode(t)}}catch(r){}if(this._infoHashHex&&this._infoHashHex!==a.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*c;var r=t+c;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>c){return}t.copy(this.metadata,e*c);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:u});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:120,bitfield:124,buffer:11,events:15,inherits:125,"simple-sha1":126}],120:[function(e,t,r){arguments[4][35][0].apply(r,arguments)},{"./lib/decode":121,"./lib/encode":123,dup:35}],121:[function(e,t,r){arguments[4][36][0].apply(r,arguments)},{"./dict":122,buffer:11,dup:36}],122:[function(e,t,r){arguments[4][37][0].apply(r,arguments)},{dup:37}],123:[function(e,t,r){arguments[4][38][0].apply(r,arguments)},{buffer:11,dup:38}],124:[function(e,t,r){arguments[4][6][0].apply(r,arguments)},{buffer:11,dup:6}],125:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40}],126:[function(e,t,r){arguments[4][53][0].apply(r,arguments)},{dup:53,rusha:127}],127:[function(e,t,r){arguments[4][54][0].apply(r,arguments)},{dup:54}],128:[function(e,t,r){(function(r){t.exports=h;var n=e("debug")("webtorrent-swarm");var i=e("events").EventEmitter;var o=e("inherits");var s=e("once");var a=e("speedometer");var f=e("bittorrent-protocol");var u=30;var c=25e3;function l(e,t,r){this.swarm=e;this.stream=t;this.id=r;var n=this.wire=new f;this.timeout=null;this.handshaked=false;this.paused=true;var i=s(function(){if(this.handshaked)this.swarm.wires.splice(this.swarm.wires.indexOf(this.wire),1);this.destroy();this.swarm._drain();this.swarm._peers[this.id]=null}.bind(this));t.once("end",i);t.once("error",i);t.once("close",i);t.once("finish",i);n.once("end",i);n.once("close",i);n.once("error",i);n.once("finish",i);n.on("handshake",this._onHandshake.bind(this));t.pipe(n).pipe(t)}l.prototype.destroy=function(){n("peer destroy");if(this.stream)this.stream.destroy();if(this.wire)this.wire.destroy();if(this.timeout)clearTimeout(this.timeout);this.stream=null;this.wire=null;this.timeout=null};l.prototype.handshake=function(){this.paused=false;this.wire.handshake(this.swarm.infoHash,this.swarm.peerId,this.swarm.handshake);n("sent handshake i %s p %s",this.swarm.infoHashHex,this.swarm.peerIdHex);if(!this.handshaked){this.timeout=setTimeout(function(){this.destroy()}.bind(this),c)}};l.prototype._onHandshake=function(e){var t=e.toString("hex");n("got handshake %s",t);if(this.swarm.destroyed||t!==this.swarm.infoHashHex){return this.destroy()}this.handshaked=true;clearTimeout(this.timeout);this.wire.on("download",function(e){this.swarm.downloaded+=e;this.swarm.downloadSpeed(e);this.swarm.emit("download",e)}.bind(this));this.wire.on("upload",function(e){this.swarm.uploaded+=e;this.swarm.uploadSpeed(e);this.swarm.emit("upload",e)}.bind(this));this.swarm.wires.push(this.wire);this.swarm.emit("wire",this.wire)};o(h,i);function h(e,t,o){if(!(this instanceof h))return new h(e,t,o);i.call(this);if(!o)o={};this.infoHash=typeof e==="string"?new r(e,"hex"):e;this.infoHashHex=this.infoHash.toString("hex");this.peerId=typeof t==="string"?new r(t,"hex"):t;this.peerIdHex=this.peerId.toString("hex");n("new swarm i %s p %s",this.infoHashHex,this.peerIdHex);this.handshake=o.handshake;this.maxPeers=o.maxPeers||u;this.downloaded=0;this.uploaded=0;this.downloadSpeed=a();this.uploadSpeed=a();this.wires=[];this._queue=[];this._peers={};this.paused=false;this.destroyed=false}Object.defineProperty(h.prototype,"ratio",{get:function(){if(this.downloaded===0)return 0;else return this.uploaded/this.downloaded}});Object.defineProperty(h.prototype,"numQueued",{get:function(){return this._queue.length}});Object.defineProperty(h.prototype,"numPeers",{get:function(){return this.wires.length}});h.prototype.addPeer=function(e){if(this.destroyed)return;if(this._peers[e.id])return;var t=new l(this,e,e.id);this._peers[e.id]=t;this._queue.push(t);this._drain()};h.prototype.pause=function(){n("pause");this.paused=true};h.prototype.resume=function(){n("resume");this.paused=false;this._drain()};h.prototype.removePeer=function(e){n("removePeer %s",e);this._removePeer(e);this._drain()};h.prototype._removePeer=function(e){n("_removePeer %s",e);e.destroy()};h.prototype.destroy=function(e){if(this.destroyed)return;this.destroyed=true;if(e)this.once("close",e);n("destroy");for(var t in this._peers){this._removePeer(t)}this.emit("close")};h.prototype._drain=function(){if(this.paused||this.destroyed||this.numPeers>=this.maxPeers)return;n("drain %s queued %s peers %s max",this.numQueued,this.numPeers,this.maxPeers);var e=this._queue.shift();if(e){e.handshake()}}}).call(this,e("buffer").Buffer)},{"bittorrent-protocol":129,buffer:11,debug:141,events:15,inherits:144,once:146,speedometer:147}],129:[function(e,t,r){(function(r){t.exports=w;var n=e("bitfield");var i=e("bencode");var o=e("debug")("bittorrent-protocol");var s=e("xtend");var a=e("inherits");var f=e("speedometer");var u=e("stream");var c=4e5;var l=new r("BitTorrent protocol");var h=new r([0,0,0,0]);var d=new r([0,0,0,1,0]);var p=new r([0,0,0,1,1]);var g=new r([0,0,0,1,2]);var v=new r([0,0,0,1,3]);var m=[0,0,0,0,0,0,0,0];var y=[0,0,0,3,9,0,0];function _(e,t,r,n){this.piece=e;this.offset=t;this.length=r;this.callback=n}a(w,u.Duplex);function w(){if(!(this instanceof w))return new w;u.Duplex.call(this);o("new wire");this.amChoking=true;this.amInterested=false;this.peerChoking=true;this.peerInterested=false;this.peerPieces=new n(0,{grow:c});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()}w.prototype.setKeepAlive=function(e){clearInterval(this._keepAlive);if(e===false)return;this._keepAlive=setInterval(this._push.bind(this,h),6e4)};w.prototype.setTimeout=function(e){this._clearTimeout();this._timeoutMs=e;this._updateTimeout()};w.prototype.destroy=function(){this.destroyed=true;this.end()};w.prototype.end=function(){this._onUninterested();this._onChoke();u.Duplex.prototype.end.apply(this,arguments)};w.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};w.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(m);i[5]|=16;if(n&&n.dht)i[7]|=1;this._push(r.concat([l,i,e,t]));this._handshakeSent=true;if(this.peerExtensions.extended){this._sendExtendedHandshake()}};w.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,i.encode(e))};w.prototype.choke=function(){if(this.amChoking)return;this.amChoking=true;this.peerRequests.splice(0,this.peerRequests.length);this._push(d)};w.prototype.unchoke=function(){if(!this.amChoking)return;this.amChoking=false;this._push(p)};w.prototype.interested=function(){if(this.amInterested)return;this.amInterested=true;this._push(g)};w.prototype.uninterested=function(){if(!this.amInterested)return;this.amInterested=false;this._push(v)};w.prototype.have=function(e){this._message(4,[e],null)};w.prototype.bitfield=function(e){if(!r.isBuffer(e))e=e.buffer;this._message(5,[],e)};w.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 _(e,t,r,n));this._updateTimeout();this._message(6,[e,t,r],null)};w.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)};w.prototype.cancel=function(e,t,r){this._callback(b(this.requests,e,t,r),new Error("request was cancelled"),null);this._message(8,[e,t,r],null)};w.prototype.port=function(e){var t=new r(y);t.writeUInt16BE(e,5);this._push(t)};w.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 o=r.isBuffer(t)?t:i.encode(t);this._message(20,[],r.concat([n,o]))}else{throw new Error("Unrecognized extension: "+e)}};w.prototype._onKeepAlive=function(){this.emit("keep-alive")};w.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()}};w.prototype._onChoke=function(){this.peerChoking=true;this.emit("choke");while(this.requests.length){this._callback(this.requests.shift(),new Error("peer is choking"),null)}};w.prototype._onUnchoke=function(){this.peerChoking=false;this.emit("unchoke")};w.prototype._onInterested=function(){this.peerInterested=true;this.emit("interested")};w.prototype._onUninterested=function(){this.peerInterested=false;this.emit("uninterested")};w.prototype._onHave=function(e){if(this.peerPieces.get(e))return;this.peerPieces.set(e,true);this.emit("have",e)};w.prototype._onBitField=function(e){this.peerPieces=new n(e);this.emit("bitfield",this.peerPieces)};w.prototype._onRequest=function(e,t,r){if(this.amChoking)return;var n=function(n,o){if(i!==b(this.peerRequests,e,t,r))return;if(n)return;this.piece(e,t,o)}.bind(this);var i=new _(e,t,r,n);this.peerRequests.push(i);this.emit("request",e,t,r,n)};w.prototype._onPiece=function(e,t,r){this._callback(b(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)};w.prototype._onCancel=function(e,t,r){b(this.peerRequests,e,t,r);this.emit("cancel",e,t,r)};w.prototype._onPort=function(e){this.emit("port",e)};w.prototype._onExtended=function(e,t){var r,n;if(e===0&&(r=k(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)}};w.prototype._onTimeout=function(){
-this._callback(this.requests.shift(),new Error("request has timed out"),null);this.emit("timeout")};w.prototype._push=function(e){if(this._finished)return;return this.push(e)};w.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)};w.prototype._read=function(){};w.prototype._callback=function(e,t,r){if(!e)return;this._clearTimeout();if(!this.peerChoking&&!this._finished)this._updateTimeout();e.callback(t,r)};w.prototype._clearTimeout=function(){if(!this._timeout)return;clearTimeout(this._timeout);this._timeout=null};w.prototype._updateTimeout=function(){if(!this._timeoutMs||!this.requests.length||this._timeout)return;this._timeout=setTimeout(this._onTimeout.bind(this),this._timeoutMs)};w.prototype._parse=function(e,t){this._parserSize=e;this._parser=t};w.prototype._message=function(e,t,n){var i=n?n.length:0;var o=new r(5+4*t.length);o.writeUInt32BE(o.length+i-4,0);o[4]=e;for(var s=0;s<t.length;s++){o.writeUInt32BE(t[s],5+4*s)}this._push(o);if(n)this._push(n)};w.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)}};w.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)}};w.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"){o("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))};w.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 b(e,t,r,n){for(var i=0;i<e.length;i++){var o=e[i];if(o.piece!==t||o.offset!==r||o.length!==n)continue;if(i===0)e.shift();else e.splice(i,1);return o}return null}function k(e){try{return i.decode(e)}catch(t){console.warn(t)}}}).call(this,e("buffer").Buffer)},{bencode:130,bitfield:134,buffer:11,debug:135,inherits:138,speedometer:139,stream:30,xtend:140}],130:[function(e,t,r){arguments[4][35][0].apply(r,arguments)},{"./lib/decode":131,"./lib/encode":133,dup:35}],131:[function(e,t,r){arguments[4][36][0].apply(r,arguments)},{"./dict":132,buffer:11,dup:36}],132:[function(e,t,r){arguments[4][37][0].apply(r,arguments)},{dup:37}],133:[function(e,t,r){arguments[4][38][0].apply(r,arguments)},{buffer:11,dup:38}],134:[function(e,t,r){arguments[4][6][0].apply(r,arguments)},{buffer:11,dup:6}],135:[function(e,t,r){arguments[4][87][0].apply(r,arguments)},{"./debug":136,dup:87}],136:[function(e,t,r){arguments[4][56][0].apply(r,arguments)},{dup:56,ms:137}],137:[function(e,t,r){arguments[4][89][0].apply(r,arguments)},{dup:89}],138:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40}],139:[function(e,t,r){arguments[4][85][0].apply(r,arguments)},{dup:85}],140:[function(e,t,r){arguments[4][73][0].apply(r,arguments)},{dup:73}],141:[function(e,t,r){arguments[4][87][0].apply(r,arguments)},{"./debug":142,dup:87}],142:[function(e,t,r){arguments[4][56][0].apply(r,arguments)},{dup:56,ms:143}],143:[function(e,t,r){arguments[4][89][0].apply(r,arguments)},{dup:89}],144:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40}],145:[function(e,t,r){arguments[4][48][0].apply(r,arguments)},{dup:48}],146:[function(e,t,r){arguments[4][49][0].apply(r,arguments)},{dup:49,wrappy:145}],147:[function(e,t,r){arguments[4][85][0].apply(r,arguments)},{dup:85}],148:[function(e,t,r){arguments[4][73][0].apply(r,arguments)},{dup:73}],149:[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+""}},{}],150:[function(e,t,r){(function(r,n){t.exports=w;var i=e("create-torrent");var o=e("debug")("webtorrent");var s=e("bittorrent-dht/client");var a=e("events").EventEmitter;var f=e("xtend");var u=e("hat");var c=e("inherits");var l=e("load-ip-set");var h=e("run-parallel");var d=e("parse-torrent");var p=e("speedometer");var g=e("zero-fill");var v=e("./lib/fs-storage");var m=e("./lib/storage");var y=e("./lib/torrent");c(w,a);var _=(e("./package.json").version||"0.29.3").match(/([0-9]+)/g).slice(0,2).map(g(2)).join("");function w(e){var t=this;if(!(t instanceof w))return new w(e);if(!e)e={};a.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.torrents=[];t.downloadSpeed=p();t.uploadSpeed=p();t.storage=typeof e.storage==="function"?e.storage:e.storage!==false&&typeof v==="function"?v:m;t.peerId=e.peerId===undefined?new n("-WW"+_+"-"+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 s==="function"){t.dht=new s(f({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}o("new webtorrent (peerId %s, nodeId %s)",t.peerIdHex,t.nodeIdHex);if(typeof l==="function"){l(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;i()})}else 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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(r.browser&&(!t.announce||t.announce.length===0)){console.warn("Warning: specify a tracker server to discover peers. "+"Required in browser because DHT is not implemented yet. "+"(You can use wss://tracker.webtorrent.io.)")}if(t.dht)t._createDHT(t.dhtPort)}c.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))}};c.prototype.stop=function(e){var t=this;if(t.tracker&&t.tracker.stop)t.tracker.stop();if(!t._externalDHT&&t.dht&&t.dht.destroy)t.dht.destroy(e);else r.nextTick(function(){e(null)})};c.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)};c.prototype._createTracker=function(){var e=this;if(!e.tracker)return;var t=e.torrent||{infoHash:e.infoHash,announce:e.announce};e.tracker=r.browser?new u(e.peerId,t,{rtcConfig:e.rtcConfig}):new u(e.peerId,e.port,t);f(e.tracker,e,["peer","warning","error"]);e.tracker.start()};c.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:18,"bittorrent-dht/client":10,"bittorrent-tracker/client":73,debug:45,events:15,inherits:53,"re-emitter":67,"xtend/mutable":90}],73:[function(e,t,r){(function(r){t.exports=h;var n=e("debug")("webtorrent-tracker");var i=e("events").EventEmitter;var o=e("xtend");var s=e("hat");var a=e("inherits");var f=e("simple-peer");var u=e("simple-websocket");var c=15;a(h,i);var l={};function h(e,t,o){var s=this;if(!(s instanceof h))return new h(e,t,o);i.call(s);s._opts=o||{};s._peerId=r.isBuffer(e)?e:new r(e,"hex");s._infoHash=r.isBuffer(t.infoHash)?t.infoHash:new r(t.infoHash,"hex");s.torrentLength=t.length;s._numWant=s._opts.numWant||c;s._intervalMs=s._opts.interval||30*60*1e3;n("new client %s",s._infoHash.toString("hex"));if(typeof t.announce==="string")t.announce=[t.announce];s._trackers=(t.announce||[]).filter(function(e){return e.indexOf("ws://")===0||e.indexOf("wss://")===0}).map(function(e){return new d(s,e,s._opts)})}h.prototype.start=function(e){var t=this;t._trackers.forEach(function(t){t.start(e)})};h.prototype.stop=function(e){var t=this;t._trackers.forEach(function(t){t.stop(e)})};h.prototype.complete=function(e){var t=this;t._trackers.forEach(function(t){
+t.complete(e)})};h.prototype.update=function(e){var t=this;t._trackers.forEach(function(t){t.update(e)})};h.prototype.setInterval=function(e){var t=this;t._intervalMs=e;t._trackers.forEach(function(t){t.setInterval(e)})};a(d,i);function d(e,t,r){var o=this;i.call(o);o._opts=r||{};o._announceUrl=t;o._peers={};n("new tracker %s",t);o.client=e;o.ready=false;o._socket=null;o._intervalMs=o.client._intervalMs;o._interval=null}d.prototype.start=function(e){var t=this;e=e||{};e.event="started";n("sent `start` %s %s",t._announceUrl,JSON.stringify(e));t._announce(e);t.setInterval(t._intervalMs)};d.prototype.stop=function(e){var t=this;e=e||{};e.event="stopped";n("sent `stop` %s %s",t._announceUrl,JSON.stringify(e));t._announce(e);t.setInterval(0)};d.prototype.complete=function(e){var t=this;e=e||{};e.event="completed";e.downloaded=e.downloaded||t.torrentLength||0;n("sent `complete` %s %s",t._announceUrl,JSON.stringify(e));t._announce(e)};d.prototype.update=function(e){var t=this;e=e||{};n("sent `update` %s %s",t._announceUrl,JSON.stringify(e));t._announce(e)};d.prototype._init=function(e){var t=this;if(e)t.once("ready",e);if(t._socket)return;if(l[t._announceUrl]){t._socket=l[t._announceUrl];t._onSocketReady()}else{t._socket=l[t._announceUrl]=new u(t._announceUrl);t._socket.on("ready",t._onSocketReady.bind(t))}t._socket.on("warning",t._onSocketWarning.bind(t));t._socket.on("error",t._onSocketWarning.bind(t));t._socket.on("message",t._onSocketMessage.bind(t))};d.prototype._onSocketReady=function(){var e=this;e.ready=true;e.emit("ready")};d.prototype._onSocketWarning=function(e){n("tracker warning %s",e.message)};d.prototype._onSocketMessage=function(e){var t=this;if(!(typeof e==="object"&&e!==null))return t.client.emit("warning",new Error("Invalid tracker response"));if(e.info_hash!==t.client._infoHash.toString("binary"))return;n("received %s from %s",JSON.stringify(e),t._announceUrl);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 o=e.interval||e["min interval"];if(o&&!t._opts.interval&&t._intervalMs!==0){t.setInterval(o*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 a;if(e.offer){a=new f({trickle:false,config:t._opts.rtcConfig});a.id=p(e.peer_id);a.once("signal",function(r){var n={info_hash:t.client._infoHash.toString("binary"),peer_id:t.client._peerId.toString("binary"),to_peer_id:e.peer_id,answer:r,offer_id:e.offer_id};if(t._trackerId)n.trackerid=t._trackerId;t._send(n)});a.signal(e.offer);t.client.emit("peer",a)}if(e.answer){a=t._peers[e.offer_id];if(a){a.id=p(e.peer_id);a.signal(e.answer);t.client.emit("peer",a)}else{n("got unexpected answer: "+JSON.stringify(e.answer))}}};d.prototype._announce=function(e){var t=this;if(!t.ready)return t._init(t._announce.bind(t,e));t._generateOffers(function(r){e=o({uploaded:0,downloaded:0,info_hash:t.client._infoHash.toString("binary"),peer_id:t.client._peerId.toString("binary"),offers:r},e);if(t.client.torrentLength!=null&&e.left==null){e.left=t.client.torrentLength-(e.downloaded||0)}if(t._trackerId){e.trackerid=t._trackerId}t._send(e)})};d.prototype._send=function(e){var t=this;n("send %s",JSON.stringify(e));t._socket.send(e)};d.prototype._generateOffers=function(e){var t=this;var r=[];n("generating %s offers",t.client._numWant);for(var i=0;i<t.client._numWant;++i){o()}function o(){var e=s(160);var n=t._peers[e]=new f({initiator:true,trickle:false,config:t._opts.rtcConfig});n.once("signal",function(t){r.push({offer:t,offer_id:e});a()})}function a(){if(r.length===t.client._numWant){n("generated %s offers",t.client._numWant);e(r)}}};d.prototype.setInterval=function(e){var t=this;clearInterval(t._interval);t._intervalMs=e;if(e){t._interval=setInterval(t.update.bind(t),t._intervalMs)}};function p(e){return new r(e,"binary").toString("hex")}}).call(this,e("buffer").Buffer)},{buffer:11,debug:45,events:15,hat:52,inherits:53,"simple-peer":74,"simple-websocket":77,xtend:89}],74:[function(e,t,r){(function(r){t.exports=g;var n=e("debug")("simple-peer");var i=e("dezalgo");var o=e("xtend/mutable");var s=e("hat");var a=e("inherits");var f=e("is-typedarray");var u=e("once");var c=e("stream");var l=e("typedarray-to-buffer");var h=typeof window!=="undefined"&&(window.mozRTCPeerConnection||window.RTCPeerConnection||window.webkitRTCPeerConnection);var d=typeof window!=="undefined"&&(window.mozRTCSessionDescription||window.RTCSessionDescription||window.webkitRTCSessionDescription);var p=typeof window!=="undefined"&&(window.mozRTCIceCandidate||window.RTCIceCandidate||window.webkitRTCIceCandidate);a(g,c.Duplex);function g(e){var t=this;if(!(t instanceof g))return new g(e);if(!e)e={};e.allowHalfOpen=false;c.Duplex.call(t,e);o(t,{initiator:false,stream:false,config:g.config,constraints:g.constraints,channelName:e&&e.initiator?s(160):null,trickle:true},e);t._debug("new peer (initiator: %s)",t.initiator);t.destroyed=false;t.connected=false;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._buffer=[];t._pc=new h(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._setupVideo(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName)});t._pc.onnegotiationneeded=u(t._createOffer.bind(t));if(window.mozRTCPeerConnection){setTimeout(function(){t._pc.onnegotiationneeded()},0)}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){t._destroy()}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}})}g.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};g.constraints={};g.prototype.send=function(e,t){var r=this;if(t)t=i(t);else t=m;r._write(e,undefined,t)};g.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 d(e),function(){if(t._pc.remoteDescription.type==="offer")t._createAnswer()},t._onError.bind(t))}if(e.candidate){try{t._pc.addIceCandidate(new p(e.candidate),m,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"))}};g.prototype.destroy=function(e){var t=this;t._destroy(null,e)};g.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.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;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;this.readable=this.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();if(e)r.emit("error",e);r.emit("close")};g.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)};g.prototype._setupVideo=function(e){var t=this;t._pc.addStream(e)};g.prototype._read=function(){};g.prototype._write=function(e,t,n){var i=this;if(i.destroyed)return n(new Error("cannot write after peer is destroyed"));var o=e.length||e.byteLength||e.size;if(!i._channelReady){i._debug("_write before ready: length %d",o);i._buffer.push(e);n(null);return}i._debug("_write: length %d",o);if(f.strict(e)||e instanceof ArrayBuffer||typeof e==="string"||r.Blob&&e instanceof r.Blob){i._channel.send(e)}else{i._channel.send(JSON.stringify(e))}n(null)};g.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;v(t);e._pc.setLocalDescription(t,m,e._onError.bind(e));var r=function(){e.emit("signal",e._pc.localDescription||t)};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e))};g.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;v(t);e._pc.setLocalDescription(t,m,e._onError.bind(e));var r=function(){e.emit("signal",e._pc.localDescription||t)};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e))};g.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e.emit("iceConnectionStateChange",t,r);e._debug("iceConnectionStateChange %s %s",t,r);if(r==="connected"||r==="completed"){e._pcReady=true;e._maybeReady()}if(r==="disconnected"||r==="closed"){e._destroy()}};g.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(!e.connected&&e._pcReady&&e._channelReady){e.connected=true;e._buffer.forEach(function(t){e.send(t)});e._buffer=[];e._debug("connect");e.emit("connect")}};g.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e.emit("signalingStateChange",e._pc.signalingState);e._debug("signalingStateChange %s",e._pc.signalingState)};g.prototype._onIceCandidate=function(e){var t=this;if(t.destroyed)return;if(e.candidate&&t.trickle){t.emit("signal",{candidate:e.candidate})}else if(!e.candidate){t._iceComplete=true;t.emit("_iceComplete")}};g.prototype._onChannelMessage=function(e){var t=this;if(t.destroyed)return;var r=e.data;t._debug("on channel message: length %d",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)}};g.prototype._onChannelOpen=function(){var e=this;if(e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};g.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e._destroy()};g.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};g.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t._destroy(e)};g.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 v(e){var t=e.sdp.split("b=AS:30");if(t.length>1)e.sdp=t[0]+"b=AS:1638400"+t[1]}function m(){}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{debug:45,dezalgo:48,hat:52,inherits:53,"is-typedarray":75,once:56,stream:30,"typedarray-to-buffer":76,"xtend/mutable":90}],75:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40}],76:[function(e,t,r){arguments[4][39][0].apply(r,arguments)},{buffer:11,dup:39,"is-typedarray":75}],77:[function(e,t,r){t.exports=a;var n=e("events").EventEmitter;var i=e("inherits");var o=e("once");var s=5e3;i(a,n);function a(e,t){if(!(this instanceof a))return new a(e,t);n.call(this);if(!t)t={};this._url=e;this._reconnect=t.reconnect!==undefined?t.reconnect:s;this._init()}a.prototype.send=function(e){if(this._ws&&this._ws.readyState===WebSocket.OPEN){if(typeof e==="object")e=JSON.stringify(e);this._ws.send(e)}};a.prototype.destroy=function(e){if(e)this.once("close",e);try{this._ws.close()}catch(t){this._onclose()}};a.prototype._init=function(){this._errored=false;this._ws=new WebSocket(this._url);this._ws.onopen=this._onopen.bind(this);this._ws.onmessage=this._onmessage.bind(this);this._ws.onclose=this._onclose.bind(this);this._ws.onerror=o(this._onerror.bind(this))};a.prototype._onopen=function(){this.emit("ready")};a.prototype._onerror=function(e){this._errored=true;this.destroy();if(this._reconnect){this._timeout=setTimeout(this._init.bind(this),this._reconnect);this.emit("warning",e)}else{this.emit("error",e)}};a.prototype._onmessage=function(e){var t=e.data;try{t=JSON.parse(e.data)}catch(r){}this.emit("message",t)};a.prototype._onclose=function(){clearTimeout(this._timeout);if(this._ws){this._ws.onopen=null;this._ws.onerror=null;this._ws.onmessage=null;this._ws.onclose=null}this._ws=null;if(!this._errored)this.emit("close")}},{events:15,inherits:53,once:56}],78:[function(e,t,r){(function(r){var n=e("bencode");var i=e("bitfield");var o=e("events").EventEmitter;var s=e("inherits");var a=e("simple-sha1");var f=1e7;var u=1e3;var c=16*1024;t.exports=function(e){s(t,o);function t(t){o.call(this);this._wire=t;this._metadataComplete=false;this._metadataSize=null;this._remainingRejects=null;this._fetching=false;this._bitfield=new i(0,{grow:u});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/c);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var i=e.toString();var o=i.indexOf("ee")+2;t=n.decode(i.substring(0,o));r=e.slice(o)}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=n.decode(e).info;if(t){e=n.encode(t)}}catch(r){}if(this._infoHashHex&&this._infoHashHex!==a.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*c;var r=t+c;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>c){return}t.copy(this.metadata,e*c);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:u});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:79,bitfield:6,buffer:11,events:15,inherits:53,"simple-sha1":69}],79:[function(e,t,r){arguments[4][35][0].apply(r,arguments)},{"./lib/decode":80,"./lib/encode":82,dup:35}],80:[function(e,t,r){arguments[4][36][0].apply(r,arguments)},{"./dict":81,buffer:11,dup:36}],81:[function(e,t,r){arguments[4][37][0].apply(r,arguments)},{dup:37}],82:[function(e,t,r){arguments[4][38][0].apply(r,arguments)},{buffer:11,dup:38}],83:[function(e,t,r){(function(r){t.exports=h;var n=e("debug")("webtorrent-swarm");var i=e("events").EventEmitter;var o=e("inherits");var s=e("once");var a=e("speedometer");var f=e("bittorrent-protocol");var u=30;var c=25e3;function l(e,t,r){this.swarm=e;this.stream=t;this.id=r;var n=this.wire=new f;this.timeout=null;this.handshaked=false;this.paused=true;var i=s(function(){if(this.handshaked)this.swarm.wires.splice(this.swarm.wires.indexOf(this.wire),1);this.destroy();this.swarm._drain();this.swarm._peers[this.id]=null}.bind(this));t.once("end",i);t.once("error",i);t.once("close",i);t.once("finish",i);n.once("end",i);n.once("close",i);n.once("error",i);n.once("finish",i);n.on("handshake",this._onHandshake.bind(this));t.pipe(n).pipe(t)}l.prototype.destroy=function(){n("peer destroy");if(this.stream)this.stream.destroy();if(this.wire)this.wire.destroy();if(this.timeout)clearTimeout(this.timeout);this.stream=null;this.wire=null;this.timeout=null};l.prototype.handshake=function(){this.paused=false;this.wire.handshake(this.swarm.infoHash,this.swarm.peerId,this.swarm.handshake);n("sent handshake i %s p %s",this.swarm.infoHashHex,this.swarm.peerIdHex);if(!this.handshaked){this.timeout=setTimeout(function(){this.destroy()}.bind(this),c)}};l.prototype._onHandshake=function(e){var t=e.toString("hex");n("got handshake %s",t);if(this.swarm.destroyed||t!==this.swarm.infoHashHex){return this.destroy()}this.handshaked=true;clearTimeout(this.timeout);this.wire.on("download",function(e){this.swarm.downloaded+=e;this.swarm.downloadSpeed(e);this.swarm.emit("download",e)}.bind(this));this.wire.on("upload",function(e){this.swarm.uploaded+=e;this.swarm.uploadSpeed(e);this.swarm.emit("upload",e)}.bind(this));this.swarm.wires.push(this.wire);this.swarm.emit("wire",this.wire)};o(h,i);function h(e,t,o){if(!(this instanceof h))return new h(e,t,o);i.call(this);if(!o)o={};this.infoHash=typeof e==="string"?new r(e,"hex"):e;this.infoHashHex=this.infoHash.toString("hex");this.peerId=typeof t==="string"?new r(t,"hex"):t;this.peerIdHex=this.peerId.toString("hex");n("new swarm i %s p %s",this.infoHashHex,this.peerIdHex);this.handshake=o.handshake;this.maxPeers=o.maxPeers||u;this.downloaded=0;this.uploaded=0;this.downloadSpeed=a();this.uploadSpeed=a();this.wires=[];this._queue=[];this._peers={};this.paused=false;this.destroyed=false}Object.defineProperty(h.prototype,"ratio",{get:function(){if(this.downloaded===0)return 0;else return this.uploaded/this.downloaded}});Object.defineProperty(h.prototype,"numQueued",{get:function(){return this._queue.length}});Object.defineProperty(h.prototype,"numPeers",{get:function(){return this.wires.length}});h.prototype.addPeer=function(e){if(this.destroyed)return;if(this._peers[e.id])return;var t=new l(this,e,e.id);this._peers[e.id]=t;this._queue.push(t);this._drain()};h.prototype.pause=function(){n("pause");this.paused=true};h.prototype.resume=function(){n("resume");this.paused=false;this._drain()};h.prototype.removePeer=function(e){n("removePeer %s",e);this._removePeer(e);this._drain()};h.prototype._removePeer=function(e){n("_removePeer %s",e);e.destroy()};h.prototype.destroy=function(e){if(this.destroyed)return;this.destroyed=true;if(e)this.once("close",e);n("destroy");for(var t in this._peers){this._removePeer(t)}this.emit("close")};h.prototype._drain=function(){if(this.paused||this.destroyed||this.numPeers>=this.maxPeers)return;n("drain %s queued %s peers %s max",this.numQueued,this.numPeers,this.maxPeers);var e=this._queue.shift();if(e){e.handshake()}}}).call(this,e("buffer").Buffer)},{"bittorrent-protocol":84,buffer:11,debug:45,events:15,inherits:53,once:56,speedometer:71}],84:[function(e,t,r){(function(r){t.exports=w;var n=e("bitfield");var i=e("bencode");var o=e("debug")("bittorrent-protocol");var s=e("xtend");var a=e("inherits");var f=e("speedometer");var u=e("stream");var c=4e5;var l=new r("BitTorrent protocol");var h=new r([0,0,0,0]);var d=new r([0,0,0,1,0]);var p=new r([0,0,0,1,1]);var g=new r([0,0,0,1,2]);var v=new r([0,0,0,1,3]);var m=[0,0,0,0,0,0,0,0];var y=[0,0,0,3,9,0,0];function _(e,t,r,n){this.piece=e;this.offset=t;this.length=r;this.callback=n}a(w,u.Duplex);function w(){if(!(this instanceof w))return new w;u.Duplex.call(this);o("new wire");this.amChoking=true;this.amInterested=false;this.peerChoking=true;this.peerInterested=false;this.peerPieces=new n(0,{grow:c});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()}w.prototype.setKeepAlive=function(e){clearInterval(this._keepAlive);if(e===false)return;this._keepAlive=setInterval(this._push.bind(this,h),6e4)};w.prototype.setTimeout=function(e){this._clearTimeout();this._timeoutMs=e;this._updateTimeout()};w.prototype.destroy=function(){this.destroyed=true;this.end()};w.prototype.end=function(){this._onUninterested();this._onChoke();u.Duplex.prototype.end.apply(this,arguments)};w.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};w.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(m);i[5]|=16;if(n&&n.dht)i[7]|=1;this._push(r.concat([l,i,e,t]));this._handshakeSent=true;if(this.peerExtensions.extended){this._sendExtendedHandshake()}};w.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,i.encode(e))};w.prototype.choke=function(){if(this.amChoking)return;this.amChoking=true;this.peerRequests.splice(0,this.peerRequests.length);this._push(d)};w.prototype.unchoke=function(){if(!this.amChoking)return;this.amChoking=false;this._push(p)};w.prototype.interested=function(){if(this.amInterested)return;this.amInterested=true;this._push(g)};w.prototype.uninterested=function(){if(!this.amInterested)return;this.amInterested=false;this._push(v)};w.prototype.have=function(e){this._message(4,[e],null)};w.prototype.bitfield=function(e){if(!r.isBuffer(e))e=e.buffer;this._message(5,[],e)};w.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 _(e,t,r,n));this._updateTimeout();this._message(6,[e,t,r],null)};w.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)};w.prototype.cancel=function(e,t,r){this._callback(b(this.requests,e,t,r),new Error("request was cancelled"),null);this._message(8,[e,t,r],null)};w.prototype.port=function(e){var t=new r(y);t.writeUInt16BE(e,5);this._push(t)};w.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 o=r.isBuffer(t)?t:i.encode(t);this._message(20,[],r.concat([n,o]))}else{throw new Error("Unrecognized extension: "+e)}};w.prototype._onKeepAlive=function(){this.emit("keep-alive")};w.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()}};w.prototype._onChoke=function(){this.peerChoking=true;this.emit("choke");while(this.requests.length){this._callback(this.requests.shift(),new Error("peer is choking"),null)}};w.prototype._onUnchoke=function(){this.peerChoking=false;this.emit("unchoke")};w.prototype._onInterested=function(){this.peerInterested=true;this.emit("interested")};w.prototype._onUninterested=function(){this.peerInterested=false;this.emit("uninterested")};w.prototype._onHave=function(e){if(this.peerPieces.get(e))return;this.peerPieces.set(e,true);this.emit("have",e)};w.prototype._onBitField=function(e){this.peerPieces=new n(e);this.emit("bitfield",this.peerPieces)};w.prototype._onRequest=function(e,t,r){if(this.amChoking)return;var n=function(n,o){if(i!==b(this.peerRequests,e,t,r))return;if(n)return;this.piece(e,t,o)}.bind(this);var i=new _(e,t,r,n);this.peerRequests.push(i);this.emit("request",e,t,r,n)};w.prototype._onPiece=function(e,t,r){this._callback(b(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)};w.prototype._onCancel=function(e,t,r){b(this.peerRequests,e,t,r);this.emit("cancel",e,t,r)};w.prototype._onPort=function(e){this.emit("port",e)};w.prototype._onExtended=function(e,t){var r,n;if(e===0&&(r=k(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)}};w.prototype._onTimeout=function(){this._callback(this.requests.shift(),new Error("request has timed out"),null);this.emit("timeout")};w.prototype._push=function(e){if(this._finished)return;return this.push(e)};w.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)};w.prototype._read=function(){};w.prototype._callback=function(e,t,r){if(!e)return;this._clearTimeout();if(!this.peerChoking&&!this._finished)this._updateTimeout();e.callback(t,r)};w.prototype._clearTimeout=function(){if(!this._timeout)return;clearTimeout(this._timeout);this._timeout=null};w.prototype._updateTimeout=function(){if(!this._timeoutMs||!this.requests.length||this._timeout)return;this._timeout=setTimeout(this._onTimeout.bind(this),this._timeoutMs)};w.prototype._parse=function(e,t){this._parserSize=e;this._parser=t};w.prototype._message=function(e,t,n){var i=n?n.length:0;var o=new r(5+4*t.length);o.writeUInt32BE(o.length+i-4,0);o[4]=e;for(var s=0;s<t.length;s++){o.writeUInt32BE(t[s],5+4*s)}this._push(o);if(n)this._push(n)};w.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)}};w.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)}};w.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"){o("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))};w.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 b(e,t,r,n){for(var i=0;i<e.length;i++){var o=e[i];if(o.piece!==t||o.offset!==r||o.length!==n)continue;if(i===0)e.shift();else e.splice(i,1);return o}return null}function k(e){try{return i.decode(e)}catch(t){console.warn(t)}}}).call(this,e("buffer").Buffer)},{bencode:85,bitfield:6,buffer:11,debug:45,inherits:53,speedometer:71,stream:30,xtend:89}],85:[function(e,t,r){arguments[4][35][0].apply(r,arguments)},{"./lib/decode":86,"./lib/encode":88,dup:35}],86:[function(e,t,r){arguments[4][36][0].apply(r,arguments)},{"./dict":87,buffer:11,dup:36}],87:[function(e,t,r){arguments[4][37][0].apply(r,arguments)},{dup:37}],88:[function(e,t,r){arguments[4][38][0].apply(r,arguments)},{buffer:11,dup:38}],89:[function(e,t,r){t.exports=n;function n(){var e={};for(var t=0;t<arguments.length;t++){var r=arguments[t];for(var n in r){if(r.hasOwnProperty(n)){e[n]=r[n]}}}return e}},{}],90:[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}},{}],91:[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+""}},{}],92:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.29.4",author:{name:"Feross Aboukhadijeh",email:"feross@feross.org",url:"http://feross.org/"},bin:{webtorrent:"./bin/cmd.js"},browser:{"./lib/fs-storage":false,"./server":false,"addr-to-ip-port":false,"bittorrent-dht/client":false,"bittorrent-swarm":"webtorrent-swarm","load-ip-set":false,"simple-get":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":"^1.0.0","block-stream":"0.0.7",clivas:"^0.1.4","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":"^4.0.0","pretty-bytes":"^1.0.1",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-get":"^1.0.0","simple-sha1":"^2.0.0",speedometer:"^0.1.2",thunky:"^0.1.0","torrent-discovery":"^2.0.1",ut_metadata:"^2.1.0",ut_pex:"^1.0.1","webtorrent-swarm":"0.x","windows-no-runnable":"0.0.6",xtend:"^4.0.0","zero-fill":"^2.2.0"},devDependencies:{"bittorrent-tracker":"^3.1.2",brfs:"^1.2.0",browserify:"^9.0.3","run-auto":"^1.0.0",standard:"^3.1.1",tape:"^3.0.3","uglify-js":"^2.4.15",zelda:"^2.0.0",zuul:"^2.0.0"},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",start:"node ./bin/cmd.js",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"},testling:{files:"test/basic.js"}}},{}],93:[function(e,t,r){(function(r,n){t.exports=w;var i=e("create-torrent");var o=e("debug")("webtorrent");var s=e("bittorrent-dht/client");var a=e("events").EventEmitter;var f=e("xtend");var u=e("hat");var c=e("inherits");var l=e("load-ip-set");var h=e("run-parallel");var d=e("parse-torrent");var p=e("speedometer");var g=e("zero-fill");var v=e("./lib/fs-storage");var m=e("./lib/storage");var y=e("./lib/torrent");c(w,a);var _=e("./package.json").version.match(/([0-9]+)/g).slice(0,2).map(g(2)).join("");function w(e){var t=this;if(!(t instanceof w))return new w(e);if(!e)e={};a.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.torrents=[];t.downloadSpeed=p();t.uploadSpeed=p();t.storage=typeof e.storage==="function"?e.storage:e.storage!==false&&typeof v==="function"?v:m;t.peerId=e.peerId===undefined?new n("-WW"+_+"-"+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 s==="function"){t.dht=new s(f({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}o("new webtorrent (peerId %s, nodeId %s)",t.peerIdHex,t.nodeIdHex);if(typeof l==="function"){l(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;i()})}else r.nextTick(i);function i(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(w.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}});w.prototype.get=function(e){var t=this;var r=d(e);if(!r.infoHash)throw new Error("Invalid torrent identifier");for(var n=0,i=t.torrents.length;n<i;n++){var o=t.torrents[n];if(o.infoHash===r.infoHash)return o}return null};w.prototype.add=w.prototype.download=function(e,t,r){var n=this;if(n.destroyed)throw new Error("client is destroyed");o("add");if(typeof t==="function"){r=t;t={}}if(!t)t={};t.client=n;t.storage=t.storage||n.storage;if(!t.storageOpts)t.storageOpts={};if(t.tmp)t.storageOpts.tmp=t.tmp;var i=new y(e,t);n.torrents.push(i);function s(e){if(i.infoHash===e.infoHash){r(i);n.removeListener("torrent",s)}}if(r)n.on("torrent",s);i.on("error",function(e){n.emit("error",e,i)});i.on("listening",function(e){n.emit("listening",e,i)});i.on("ready",function(){o("torrent");n.emit("torrent",i)});return i};w.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={};if(!t.storageOpts)t.storageOpts={};t.storageOpts.noVerify=true;i.parseInput(e,t,function(o,s){if(o)return n.emit("error",o);var a=s.map(function(e){return e.getStream});i(e,t,function(e,i){if(e)return n.emit("error",e);if(n.destroyed)return;n.add(i,t,function(e){var t=[function(t){e.storage.load(a,t)}];if(n.dht){t.push(function(t){e.on("dhtAnnounce",t)})}h(t,function(t){if(t)return n.emit("error",t);if(r)r(e);n.emit("seed",e)})})})})};w.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)};w.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.infoHash,r)}});if(t.dht){r.push(function(e){t.dht.destroy(e)})}h(r,e)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/fs-storage":10,"./lib/storage":4,"./lib/torrent":5,"./package.json":92,_process:18,"bittorrent-dht/client":10,buffer:11,"create-torrent":34,debug:45,events:15,hat:52,inherits:53,"load-ip-set":10,"parse-torrent":57,"run-parallel":68,speedometer:71,xtend:89,"zero-fill":91}]},{},[93])(93)});
\ No newline at end of file