build

1 files changed, 7 insertions, 9 deletions

diff --git a/webtorrent.min.js b/webtorrent.min.js
index be488ee..cc03299 100644
--- a/webtorrent.min.js
+++ b/webtorrent.min.js
@@ -1,9 +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:86,inherits:94,path:40,stream:57}],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._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};f.prototype._flow=function(){var e=this;n("flow");if(e._cb){e._cb(null)}}},{debug:86,inherits:94,once:98,stream:57}],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);if(!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:41,bitfield:6,"block-stream":30,buffer:34,debug:86,dezalgo:89,"end-of-stream":92,events:38,inherits:94,multistream:95,once:98,"simple-sha1":117}],5:[function(e,t,r){(function(r){t.exports=L;var n=e("addr-to-ip-port");var i=e("create-torrent");var o=e("debug")("webtorrent:torrent");var s=e("torrent-discovery");var a=e("events").EventEmitter;var f=e("fs");var u=e("simple-get");var c=e("inherits");var l=e("run-parallel");var h=e("parse-torrent");var d=e("re-emitter");var p=e("bittorrent-swarm");var g=e("ut_metadata");var v=e("ut_pex");var m=e("./rarity-map");var y=e("./server");var _=e("./storage");var w=128*1024;var b=1e4;var k=5e3;var E=3*_.BLOCK_LENGTH;var x=.5;var S=1;var A=1e4;var I=2;function C(){}c(L,a);function L(e,t){var n=this;a.call(n);if(!o.enabled)n.setMaxListeners(0);o("new torrent");n.opts=t;n.client=t.client;n.hotswapEnabled="hotswap"in t?t.hotswap:true;n.verify=t.verify;n.chokeTimeout=t.chokeTimeout||k;n.pieceTimeout=t.pieceTimeout||b;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||_;var s;try{s=e&&e.parsedTorrent||h(e)}catch(c){}if(s&&s.infoHash){l(s)}else if(typeof u==="function"&&/^https?:/.test(e)){u.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)}l(t)})}else if(typeof f.readFile==="function"){f.readFile(e,function(e,t){if(e)return n.emit("error",new Error("Invalid torrent identifier"));l(t)})}else throw new Error("Invalid torrent identifier");function l(e){try{n.parsedTorrent=h(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;if(n.parsedTorrent.announce.length===0){n.parsedTorrent.announceList=i.announceList;n.parsedTorrent.announce=[].concat.apply([],i.announceList)}n.swarm=new p(n.infoHash,n.client.peerId,{handshake:{dht:!!n.client.dht}});d(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));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 h.toMagnetURI(this.parsedTorrent)}});L.prototype._onSwarmListening=function(){var e=this;if(e._destroyed)return;if(e.swarm.server)e.client.torrentPort=e.swarm.address().port;e.discovery=new s({announce:e.parsedTorrent.announce,dht:e.client.dht,tracker:e.client.tracker,peerId:e.client.peerId,port:e.client.torrentPort,rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc});e.discovery.setTorrent(e.infoHash);e.discovery.on("peer",e.addPeer.bind(e));d(e.discovery,e,["dhtAnnounce","warning","error"]);if(e.parsedTorrent.info)e._onMetadata(e.parsedTorrent);e.emit("listening",e.client.torrentPort)};L.prototype._onMetadata=function(e){var t=this;if(t.metadata||t._destroyed)return;o("got metadata");if(e&&e.infoHash){t.metadata=h.toTorrentFile(e);t.parsedTorrent=e}else{t.metadata=e;try{t.parsedTorrent=h(t.metadata)}catch(n){return t.emit("error",n)}}t.name=t.parsedTorrent.name;t.discovery.setTorrent(t.parsedTorrent);t.rarityMap=new m(t.swarm,t.parsedTorrent.pieces.length);t.storage=new t._storageImpl(t.parsedTorrent,t.opts);t.storage.on("piece",t._onStoragePiece.bind(t));t.storage.on("file",function(e){t.emit("file",e)});t._reservations=t.storage.pieces.map(function(){return[]});t.storage.on("done",function(){if(t.discovery.tracker)t.discovery.tracker.complete();o("torrent "+t.infoHash+" done");t.emit("done")});t.storage.on("select",t.select.bind(t));t.storage.on("deselect",t.deselect.bind(t));t.storage.on("critical",t.critical.bind(t));t.storage.files.forEach(function(e){t.files.push(e)});t.swarm.wires.forEach(function(e){if(e.ut_metadata)e.ut_metadata.setMetadata(t.metadata);t._onWireWithMetadata(e)});if(t.verify){r.nextTick(function(){o("verifying existing torrent data");var e=0;var r=0;l(t.storage.pieces.map(function(n){return function(i){t.storage.read(n.index,function(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;o("piece "+(n.verified?"verified":"invalid")+" "+n.index)}i()},true)}}),t._onStorage.bind(t))})}else{r.nextTick(t._onStorage.bind(t))}r.nextTick(function(){t.emit("metadata")})};L.prototype.destroy=function(e){var t=this;o("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)});l(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("blockedPeer",e);return false}else{t.emit("peer",e);t.swarm.addPeer(e);return true}};L.prototype.select=function(e,t,r,n){var i=this;if(e>t||e<0||t>=i.storage.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;o("select %s-%s (priority %s)",e,t,r);i._selections.push({from:e,to:t,offset:0,priority:r,notify:n||C});i._selections.sort(function(e,t){return t.priority-e.priority});i._updateSelections()};L.prototype.deselect=function(e,t,r){var n=this;r=Number(r)||0;o("deselect %s-%s (priority %s)",e,t,r);for(var i=0;i<n._selections.length;++i){var s=n._selections[i];if(s.from===e&&s.to===t&&s.priority===r){n._selections.splice(i--,1);break}}n._updateSelections()};L.prototype.critical=function(e,t){var r=this;o("critical %s-%s",e,t);for(var n=e;n<=t;++n){r._critical[n]=true}r._updateSelections()};L.prototype._onWire=function(e){var t=this;e.use(g(t.metadata));if(!t.metadata){e.ut_metadata.on("metadata",function(e){o("got metadata via ut_metadata");t._onMetadata(e)});e.ut_metadata.fetch()}if(typeof v==="function"){e.use(v());e.ut_pex.on("peer",function(r){o("ut_pex: got peer: %s (from %s)",r,e.remoteAddress);t.addPeer(r)});e.ut_pex.on("dropped",function(r){o("ut_pex: dropped peer: %s (from %s)",r,e.remoteAddress);if(!(r in t.swarm._peers))t.swarm._removePeer(r)})}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(r){o("port: %s (from %s)",r,e.remoteAddress);var i=n(e.remoteAddress);if(t.client.dht)t.client.dht.addNode(i[0]+":"+r)});e.on("timeout",function(){o("wire timeout (%s)",e.remoteAddress);e.destroy()});e.setTimeout(t.pieceTimeout,true);if(t.metadata){t._onWireWithMetadata(e)}};L.prototype._onWireWithMetadata=function(e){var t=this;var r=null;var n=t.chokeTimeout;function i(){if(t._destroyed||e._destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(i,n);if(r.unref)r.unref()}}var 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(i,n);if(r.unref)r.unref()});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,n,i,s){if(i>w){o(e.remoteAddress,"requested invalid block size",i);return e.destroy()}t.storage.readBlock(r,n,i,s)});e.bitfield(t.storage.bitfield);e.interested();r=setTimeout(i,n);if(r.unref)r.unref();e.isSeeder=false;a()};L.prototype._onStorage=function(){var e=this;if(e._destroyed)return;o("on storage");e.storage.readonly=false;e.select(0,e.storage.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),A);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();r.nextTick(function(){e.ready=true;e.emit("ready")})};L.prototype._onStoragePiece=function(e){var t=this;o("piece done %s",e.index);t._reservations[e.index]=null;t.swarm.wires.forEach(function(t){t.have(e.index)});t._gcSelections()};L.prototype._updateSelections=function(){var e=this;if(!e.swarm||e._destroyed)return;if(!e.metadata)return e.once("metadata",e._updateSelections.bind(e));r.nextTick(e._gcSelections.bind(e));e._updateInterest();e._update()};L.prototype._gcSelections=function(){var e=this;for(var t=0;t<e._selections.length;t++){var r=e._selections[t];var n=r.offset;while(e.storage.bitfield.get(r.from+r.offset)&&r.from+r.offset<r.to){r.offset++}if(n!==r.offset)r.notify();if(r.to!==r.from+r.offset)continue;if(!e.storage.bitfield.get(r.from+r.offset))continue;e._selections.splice(t--,1);r.notify();e._updateInterest()}if(!e._selections.length)e.emit("idle")};L.prototype._updateInterest=function(){var e=this;var t=e._amInterested;e._amInterested=!!e._selections.length;e.swarm.wires.forEach(function(t){if(e._amInterested)t.interested();else t.uninterested()});if(t===e._amInterested)return;if(e._amInterested)e.emit("interested");else e.emit("uninterested")};L.prototype._update=function(){var e=this;if(e._destroyed)return;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=T(e,x);if(e.requests.length>=r)return;var n=T(e,S);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>E)return function(){return true};var n=Math.max(1,e.requests.length)*_.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<E)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[B(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<_.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>=E)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 i=this;var s=e.requests.length;if(i.storage.bitfield.get(t))return false;var a=T(e,S);if(s>=a)return false;var f=e.requests.length===0&&i.storage.numMissing<30;var u=i.storage.reserveBlock(t,f);if(!u&&!f&&n&&i._hotswap(e,t)){u=i.storage.reserveBlock(t,false)}if(!u)return false;var c=i._reservations[t];if(!c){c=i._reservations[t]=[]}var l=c.indexOf(null);if(l===-1)l=c.length;c[l]=e;function h(n,s){if(!i.ready){i.once("ready",function(){h(n,s)});return}if(c[l]===e)c[l]=null;if(n){o("error getting piece %s (offset: %s length: %s) from %s: %s",t,u.offset,u.length,e.remoteAddress,n.message);i.storage.cancelBlock(t,u.offset);r.nextTick(i._update.bind(i));return false}else{o("got piece %s (offset: %s length: %s) from %s",t,u.offset,u.length,e.remoteAddress);i.storage.writeBlock(t,u.offset,s,function(e){if(e){o("error writing block");i.storage.cancelBlock(t,u.offset)}r.nextTick(i._update.bind(i))})}}e.request(t,u.offset,u.length,h);return true};L.prototype.createServer=function(e){var t=this;if(typeof y==="function"){return new y(t,e)}};function T(e,t){return Math.ceil(2+t*e.downloadSpeed()/_.BLOCK_LENGTH)}function B(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=B(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":33,"./storage":4,_process:41,"addr-to-ip-port":33,"bittorrent-swarm":7,"create-torrent":62,debug:86,events:38,fs:31,inherits:94,"parse-torrent":99,"re-emitter":112,"run-parallel":113,"simple-get":33,"torrent-discovery":120,ut_metadata:159,ut_pex:33}],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:34}],7:[function(e,t,r){(function(r,n){t.exports=g;var i=e("addr-to-ip-port");var o=e("debug")("bittorrent-swarm");var s=e("dezalgo");var a=e("events").EventEmitter;var f=e("inherits");var u=e("net");var c=e("./lib/peer");var l=e("speedometer");var h=e("./lib/tcp-pool");var d=55;var p=[1e3,5e3,15e3,3e4,6e4,12e4,3e5,6e5];f(g,a);function g(e,t,r){var i=this;if(!(i instanceof g))return new g(e,t,r);a.call(i);i.infoHash=typeof e==="string"?new n(e,"hex"):e;i.infoHashHex=i.infoHash.toString("hex");i.peerId=typeof t==="string"?new n(t,"hex"):t;i.peerIdHex=i.peerId.toString("hex");if(!r)r={};o("new swarm (i %s p %s)",i.infoHashHex,i.peerIdHex);i.handshakeOpts=r.handshake;i.maxConns=r.maxConns!==undefined?r.maxConns:d;i.destroyed=false;i.listening=false;i.paused=false;i.server=null;i.wires=[];i._queue=[];i._peers={};i._peersLength=0;i._port=0;i.downloaded=0;i.uploaded=0;i.downloadSpeed=l();i.uploadSpeed=l()}Object.defineProperty(g.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}});Object.defineProperty(g.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}});Object.defineProperty(g.prototype,"numConns",{get:function(){var e=this;var t=0;for(var r in e._peers){var n=e._peers[r];if(n&&n.conn)t+=1}return t}});Object.defineProperty(g.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}});g.prototype.addPeer=function(e){var t=this;if(t.destroyed){if(e&&e.destroy)e.destroy();return}if(typeof e==="string"&&!t._validAddr(e)){o("ignoring invalid peer %s (from swarm.addPeer)",e);return}var r=e&&e.id||e;if(t._peers[r])return;o("addPeer %s",r);var n;if(typeof e==="string"){n=c.createOutgoingTCPPeer(e,t);t._queue.push(n);t._drain()}else{n=c.createWebRTCPeer(e,t)}t._peers[n.id]=n;t._peersLength+=1};g.prototype._addIncomingPeer=function(e){var t=this;if(t.destroyed||t.paused)return e.destroy();if(!t._validAddr(e.addr)){o("ignoring invalid peer %s (from incoming)",e.addr);return e.destroy()}t._peers[e.id]=e;t._peersLength+=1};g.prototype._removePeer=function(e){var t=this;var r=t._peers[e];if(!r)return;o("_removePeer %s",e);t._peers[e]=null;t._peersLength-=1;r.destroy()};g.prototype.pause=function(){var e=this;if(e.destroyed)return;o("pause");e.paused=true};g.prototype.resume=function(){var e=this;if(e.destroyed)return;o("resume");e.paused=false;e._drain()};g.prototype.listen=function(e,t){var n=this;if(typeof e==="function"){t=e;e=undefined}if(t)t=s(t);if(n.listening)throw new Error("swarm already listening");if(r.browser){t()}else{n._port=e||h.getDefaultListenPort(n.infoHashHex);if(t)n.once("listening",t);o("listen %s",e);var i=h.addSwarm(n);n.server=i.server}};g.prototype._onListening=function(e){var t=this;t._port=e;t.listening=true;t.emit("listening")};g.prototype.address=function(){var e=this;return e.server.address()};g.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.listening=false;t.paused=false;if(e)t.once("close",e);o("destroy");for(var n in t._peers){t._removePeer(n)}h.removeSwarm(t);r.nextTick(function(){t.emit("close")})};g.prototype._drain=function(){var e=this;if(e.destroyed||e.paused||e.numConns>=e.maxConns)return;o("drain (%s queued, %s/%s peers)",e.numQueued,e.numPeers,e.maxConns);var t=e._queue.shift();if(!t)return;o("tcp connect attempt to %s",t.addr);var r=i(t.addr);var n=t.conn=u.connect(r[1],r[0]);n.once("connect",function(){
-t.onConnect()});n.once("error",function(){t.destroy()});t.setTimeout();n.on("close",function(){if(e.destroyed||t.retries>=p.length){return}function r(){var r=c.createOutgoingTCPPeer(t.addr,e);r.retries=t.retries+1;e._queue.push(r);e._drain()}var n=setTimeout(r,p[t.retries]);if(n.unref)n.unref()})};g.prototype._onError=function(e){var t=this;t.emit("error",e);t.destroy()};g.prototype._validAddr=function(e){var t=this;var r=i(e);var n=r[0];var o=r[1];return o>0&&o<65535&&!(n==="127.0.0.1"&&o===t._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":8,"./lib/tcp-pool":9,_process:41,"addr-to-ip-port":33,buffer:34,debug:22,dezalgo:25,events:38,inherits:28,net:33,speedometer:29}],8:[function(e,t,r){var n=e("bittorrent-protocol");var i=25e3;r.createWebRTCPeer=function(e,t){var r=new o(e.id);r.conn=e;r.swarm=t;if(r.conn.connected){r.onConnect()}else{r.conn.once("connect",function(){r.onConnect()});r.conn.once("error",function(){r.destroy()});r.setTimeout()}return r};r.createIncomingTCPPeer=function(e,t){var r=new o(t);r.conn=e;r.addr=e.remoteAddress+":"+e.remotePort;r.onConnect();return r};r.createOutgoingTCPPeer=function(e,t){var r=new o(e);r.swarm=t;r.addr=e;return r};function o(e){var t=this;t.id=e;t.addr=null;t.conn=null;t.swarm=null;t.wire=null;t.destroyed=false;t.timeout=null;t.retries=0;t.gotHandshake=false;t.sentHandshake=false}o.prototype.onConnect=function(){var e=this;function t(){e.destroy()}var r=e.conn;r.once("end",t);r.once("close",t);r.once("finish",t);r.once("error",t);var i=e.wire=new n;i.once("end",t);i.once("finish",t);i.once("error",t);e.wire.remoteAddress=e.addr||r.remoteAddress+":"+r.remotePort;i.once("handshake",function(t){e.onHandshake(t)});e.setTimeout();r.pipe(i).pipe(r);if(e.swarm)e.handshake()};o.prototype.onHandshake=function(e){var t=this;if(!t.swarm)return;if(t.swarm.destroyed||e.toString("hex")!==t.swarm.infoHashHex){t.destroy();return}t.clearTimeout();t.gotHandshake=true;t.retries=0;t.wire.on("download",function(e){t.swarm.downloaded+=e;t.swarm.downloadSpeed(e);t.swarm.emit("download",e)});t.wire.on("upload",function(e){t.swarm.uploaded+=e;t.swarm.uploadSpeed(e);t.swarm.emit("upload",e)});if(!t.sentHandshake)t.handshake();t.swarm.wires.push(t.wire);t.swarm.emit("wire",t.wire)};o.prototype.handshake=function(){var e=this;e.wire.handshake(e.swarm.infoHash,e.swarm.peerId,e.swarm.handshakeOpts);e.sentHandshake=true};o.prototype.setTimeout=function(){var e=this;if(e.timeout)clearTimeout(e.timeout);e.timeout=setTimeout(function(){e.destroy()},i);if(e.timeout.unref)e.timeout.unref()};o.prototype.clearTimeout=function(){var e=this;if(e.timeout)clearTimeout(e.timeout);e.timeout=null};o.prototype.destroy=function(){var e=this;if(e.destroyed)return;e.destroyed=true;if(e.conn)e.conn.destroy();e.swarm.wires.splice(e.swarm.wires.indexOf(e.wire),1);if(e.wire)e.wire.destroy();if(e.swarm){e.swarm._removePeer(e.id);e.swarm._drain()}if(e.timeout)clearTimeout(e.timeout);e.timeout=null;e.conn=null;e.swarm=null;e.wire=null}},{"bittorrent-protocol":10}],9:[function(e,t,r){(function(r){t.exports=a;var n=e("dezalgo");var i=e("net");var o=e("./peer");var s={};function a(e){var t=this;t.port=e;t.listening=false;t.swarms={};t.pendingConns=[];t.server=i.createServer();t.server.on("connection",function(e){t._onConnection(e)});t.server.on("error",function(e){t._onError(e)});t.server.on("listening",function(){t._onListening()});t.server.listen(t.port)}a.addSwarm=function(e){var t=s[e._port];if(!t)t=s[e._port]=new a(e._port);t.addSwarm(e);return t};a.removeSwarm=function(e){var t=s[e._port];if(!t)return;t.removeSwarm(e);var r=0;for(var n in t.swarms){var i=t.swarms[n];if(i)r+=1}if(r===0)t.destroy()};a.getDefaultListenPort=function(e){for(var t in s){var r=s[t];if(r&&!r.swarms[e])return r.port}return 0};a.prototype.addSwarm=function(e){var t=this;if(t.listening){r.nextTick(function(){e._onListening(t.port)})}if(t.swarms[e.infoHashHex]){r.nextTick(function(){e._onError(new Error("There is already a swarm with info hash "+e.infoHashHex+" "+"listening on port "+e._port))});return}t.swarms[e.infoHashHex]=e};a.prototype.removeSwarm=function(e){var t=this;t.swarms[e.infoHashHex]=null};a.prototype.destroy=function(e){var t=this;if(e)e=n(e);t.listening=false;t.pendingConns.forEach(function(e){e.destroy()});s[t.port]=null;try{t.server.close(e)}catch(r){if(e)e(null)}};a.prototype._onListening=function(){var e=this;var t=e.server.address().port;if(t!==e.port){s[e.port]=null;e.port=t;s[e.port]=e}e.listening=true;for(var r in e.swarms){var n=e.swarms[r];if(n)n._onListening(e.port)}};a.prototype._onConnection=function(e){var t=this;t.pendingConns.push(e);e.once("close",r);function r(){t.pendingConns.splice(t.pendingConns.indexOf(e))}var n=o.createIncomingTCPPeer(e);n.wire.once("handshake",function(i){r();e.removeListener("close",r);var o=t.swarms[i.toString("hex")];if(o){n.swarm=o;o._addIncomingPeer(n);n.onHandshake(i)}else{n.destroy()}})};a.prototype._onError=function(e){var t=this;t.destroy();for(var r in t.swarms){var n=t.swarms[r];if(n){t.removeSwarm(n);n._onError(e)}}}}).call(this,e("_process"))},{"./peer":8,_process:41,dezalgo:25,net:33}],10:[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,t){this._clearTimeout();this._timeoutMs=e;this._timeoutUnref=!!t;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);if(this._timeoutUnref&&this._timeout.unref)this._timeout.unref()};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:11,bitfield:15,buffer:34,debug:16,inherits:19,speedometer:20,stream:57,xtend:21}],11:[function(e,t,r){t.exports={encode:e("./lib/encode"),decode:e("./lib/decode")}},{"./lib/decode":12,"./lib/encode":14}],12:[function(e,t,r){(function(r){var n=e("./dict");function i(e,t){i.position=0;i.encoding=t||null;i.data=!r.isBuffer(e)?new r(e):e;return i.next()}i.position=0;i.data=null;i.encoding=null;i.next=function(){switch(i.data[i.position]){case 100:return i.dictionary();break;case 108:return i.list();break;case 105:return i.integer();break;default:return i.bytes();break}};i.find=function(e){var t=i.position;var r=i.data.length;var n=i.data;while(t<r){if(n[t]===e)return t;t++}throw new Error('Invalid data: Missing delimiter "'+String.fromCharCode(e)+'" [0x'+e.toString(16)+"]")};i.dictionary=function(){i.position++;var e=new n;while(i.data[i.position]!==101){e.binarySet(i.bytes(),i.next())}i.position++;return e};i.list=function(){i.position++;var e=[];while(i.data[i.position]!==101){e.push(i.next())}i.position++;return e};i.integer=function(){var e=i.find(101);var t=i.data.toString("ascii",i.position+1,e);i.position+=e+1-i.position;return parseInt(t,10)};i.bytes=function(){var e=i.find(58);var t=parseInt(i.data.toString("ascii",i.position,e),10);var r=++e+t;i.position=r;return i.encoding?i.data.toString(i.encoding,e,r):i.data.slice(e,r)};t.exports=i}).call(this,e("buffer").Buffer)},{"./dict":13,buffer:34}],13:[function(e,t,r){var n=t.exports=function i(){Object.defineProperty(this,"_keys",{enumerable:false,value:[]})};n.prototype.binaryKeys=function o(){return this._keys.slice()};n.prototype.binarySet=function s(e,t){this._keys.push(e);this[e]=t}},{}],14:[function(e,t,r){(function(e){function r(t){var n=[];r._encode(n,t);return e.concat(n)}r._floatConversionDetected=false;r._encode=function(t,n){if(e.isBuffer(n)){t.push(new e(n.length+":"));t.push(n);return}switch(typeof n){case"string":r.bytes(t,n);break;case"number":r.number(t,n);break;case"object":n.constructor===Array?r.list(t,n):r.dict(t,n);break}};var n=new e("e"),i=new e("d"),o=new e("l");r.bytes=function(t,r){t.push(new e(e.byteLength(r)+":"+r))};r.number=function(t,n){var i=2147483648;var o=n/i<<0;var s=n%i<<0;var a=o*i+s;t.push(new e("i"+a+"e"));if(a!==n&&!r._floatConversionDetected){r._floatConversionDetected=true;console.warn('WARNING: Possible data corruption detected with value "'+n+'":','Bencoding only defines support for integers, value was converted to "'+a+'"');console.trace()}};r.dict=function(e,t){e.push(i);var o=0;var s;var a=Object.keys(t).sort();var f=a.length;for(;o<f;o++){s=a[o];r.bytes(e,s);r._encode(e,t[s])}e.push(n)};r.list=function(e,t){var i=0,s=1;var a=t.length;e.push(o);for(;i<a;i++){r._encode(e,t[i])}e.push(n)};t.exports=r}).call(this,e("buffer").Buffer)},{buffer:34}],15:[function(e,t,r){arguments[4][6][0].apply(r,arguments)},{buffer:34,dup:6}],16:[function(e,t,r){r=t.exports=e("./debug");r.log=s;r.formatArgs=o;r.save=a;r.load=f;r.useColors=i;var n;if(typeof chrome!=="undefined"&&typeof chrome.storage!=="undefined")n=chrome.storage.local;else n=u();r.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"];function i(){return"WebkitAppearance"in document.documentElement.style||window.console&&(console.firebug||console.exception&&console.table)||navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31}r.formatters.j=function(e){return JSON.stringify(e)};function o(){var e=arguments;var t=this.useColors;e[0]=(t?"%c":"")+this.namespace+(t?" %c":" ")+e[0]+(t?"%c ":" ")+"+"+r.humanize(this.diff);if(!t)return e;var n="color: "+this.color;e=[e[0],n,"color: 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i=n.decode(s[1]);t.infoHash=new r(i,"binary").toString("hex")}})}if(t.dn)t.name=t.dn;if(t.kt)t.keywords=t.kt;if(typeof t.tr==="string")t.announce=[t.tr];else if(Array.isArray(t.tr))t.announce=t.tr;else t.announce=[];t.announceList=t.announce.map(function(e){return[e]});t.urlList=[];if(typeof t.as==="string"||Array.isArray(t.as)){t.urlList=t.urlList.concat(t.as)}if(typeof t.ws==="string"||Array.isArray(t.ws)){t.urlList=t.urlList.concat(t.ws)}return t}function a(e){e=i(e);if(e.infoHash)e.xt="urn:btih:"+e.infoHash;if(e.name)e.dn=e.name;if(e.keywords)e.kt=e.keywords;if(e.announce)e.tr=e.announce;if(e.announceList)e.tr=o(e.announceList);if(e.urlList){e.ws=o(e.urlList);delete e.as}var t="magnet:?";Object.keys(e).filter(function(e){return e.length===2}).forEach(function(r,n){var i=Array.isArray(e[r])?e[r]:[e[r]];i.forEach(function(e,i){if((n>0||i>0)&&(r!=="kt"||i===0))t+="&";if(r==="dn")e=encodeURIComponent(e).replace(/%20/g,"+");if(r==="tr"||r==="xs"||r==="as"||r==="ws"){e=encodeURIComponent(e)}if(r==="kt")e=encodeURIComponent(e);if(r==="kt"&&i>0)t+="+"+e;else t+=r+"="+e})});return t}}).call(this,e("buffer").Buffer)},{buffer:34,flatten:101,"thirty-two":102,xtend:104}],101:[function(e,t,r){arguments[4][73][0].apply(r,arguments)},{dup:73}],102:[function(e,t,r){var n=e("./thirty-two");r.encode=n.encode;r.decode=n.decode},{"./thirty-two":103}],103:[function(e,t,r){(function(e){var t="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";var n=[255,255,26,27,28,29,30,31,255,255,255,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255];function i(e){var t=Math.floor(e.length/5);return e.length%5==0?t:t+1}r.encode=function(r){var n=0;var 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s(e){if(r.isBuffer(e)){e=n.decode(e)}c(e.info,"info");c(e.info.name,"info.name");c(e.info["piece length"],"info['piece length']");c(e.info.pieces,"info.pieces");if(e.info.files){e.info.files.forEach(function(e){c(typeof e.length==="number","info.files[0].length");c(e.path,"info.files[0].path")})}else{c(typeof e.info.length==="number","info.length")}var t={};t.info=e.info;t.infoBuffer=n.encode(e.info);t.infoHash=o.sync(t.infoBuffer);t.name=e.info.name.toString();t.private=!!e.info.private;if(e["creation date"])t.created=new Date(e["creation date"]*1e3);if(r.isBuffer(e.comment))t.comment=e.comment.toString();var s=e["announce-list"];if(!s){if(e.announce){s=[[e.announce]]}else{s=[]}}t.announceList=s.map(function(e){return e.map(function(e){return e.toString()})});t.announce=[].concat.apply([],t.announceList);if(r.isBuffer(e["url-list"])){e["url-list"]=e["url-list"].length>0?[e["url-list"]]:[]}t.urlList=(e["url-list"]||[]).map(function(e){return e.toString()});var a=e.info.files||[e.info];t.files=a.map(function(e,r){var n=[].concat(e.name||t.name,e.path||[]).map(function(e){return e.toString()});return{path:i.join.apply(null,[i.sep].concat(n)).slice(1),name:n[n.length-1],length:e.length,offset:a.slice(0,r).reduce(f,0)}});t.length=a.reduce(f,0);var l=t.files[t.files.length-1];t.pieceLength=e.info["piece length"];t.lastPieceLength=(l.offset+l.length)%t.pieceLength||t.pieceLength;t.pieces=u(e.info.pieces);return t}function a(e){var 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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-port:0,tracker:true,wrtc:null},e);t._externalDHT=typeof t.dht==="object";t._performedDHTLookup=false;if(!t.peerId)throw new Error("peerId required");if(!r.browser&&!t.port)throw new Error("port required");if(t.dht)t._createDHT(t.dhtPort)}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};var r={rtcConfig:e.rtcConfig,wrtc:e.wrtc};e.tracker=new u(e.peerId,e.port,t,r);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:41,"bittorrent-dht/client":33,"bittorrent-tracker/client":121,debug:153,events:38,inherits:156,"re-emitter":157,"xtend/mutable":158}],121:[function(e,t,r){(function(r){t.exports=h;var n=e("debug")("bittorrent-tracker");var i=e("events").EventEmitter;var o=e("inherits");var s=e("once");var a=e("url");var f=e("./lib/common");var u=e("./lib/http-tracker");var c=e("./lib/udp-tracker");var l=e("./lib/websocket-tracker");o(h,i);function h(e,t,o,s){var d=this;if(!(d instanceof h))return new h(e,t,o,s);i.call(d);if(!s)s={};d._peerId=r.isBuffer(e)?e:new r(e,"hex");d._port=t;d._infoHash=r.isBuffer(o.infoHash)?o.infoHash:new r(o.infoHash,"hex");d.torrentLength=o.length;d._rtcConfig=s.rtcConfig;d._wrtc=s.wrtc;d._numWant=s.numWant||f.DEFAULT_ANNOUNCE_PEERS;d._intervalMs=s.interval||f.DEFAULT_ANNOUNCE_INTERVAL;n("new client %s",d._infoHash.toString("hex"));if(typeof o.announce==="string")o.announce=[o.announce];if(o.announce==null)o.announce=[];var p={interval:d._intervalMs};var g=!!d._wrtc||typeof window!=="undefined";d._trackers=o.announce.map(function(e){var t=a.parse(e).protocol;if((t==="http:"||t==="https:")&&typeof u==="function"){return new u(d,e,p)}else if(t==="udp:"&&typeof c==="function"){return new c(d,e,p)}else if((t==="ws:"||t==="wss:")&&g){return new l(d,e,p)}return null}).filter(Boolean)}h.scrape=function(e,t,n){n=s(n);var i=new r("01234567890123456789");var o=6881;var a={infoHash:Array.isArray(t)?t[0]:t,announce:[e]};var f=new h(i,o,a);f.once("error",n);var u=Array.isArray(t)?t.length:1;var c={};f.on("scrape",function(e){u-=1;c[e.infoHash]=e;if(u===0){f.destroy();var t=Object.keys(c);if(t.length===1){n(null,c[t[0]])}else{n(null,c)}}});t=Array.isArray(t)?t.map(function(e){return new r(e,"hex")}):new r(t,"hex");f.scrape({infoHash:t})};h.prototype.start=function(e){var t=this;n("send `start`");e=t._defaultAnnounceOpts(e);e.event="started";t._announce(e);t._trackers.forEach(function(e){e.setInterval(t._intervalMs)})};h.prototype.stop=function(e){var t=this;n("send `stop`");e=t._defaultAnnounceOpts(e);e.event="stopped";t._announce(e);t.destroy()};h.prototype.complete=function(e){var t=this;n("send `complete`");if(!e)e={};if(e.downloaded==null&&t.torrentLength!=null){e.downloaded=t.torrentLength}e=t._defaultAnnounceOpts(e);e.event="completed";t._announce(e)};h.prototype.update=function(e){var t=this;n("send `update`");e=t._defaultAnnounceOpts(e);if(e.event)delete e.event;t._announce(e)};h.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})};h.prototype.scrape=function(e){var t=this;n("send `scrape`");if(!e)e={};t._trackers.forEach(function(t){t.scrape(e)})};h.prototype.setInterval=function(e){var t=this;n("setInterval");t._intervalMs=e;t._trackers.forEach(function(t){t.setInterval(e)})};h.prototype.destroy=function(){var e=this;n("destroy");e._trackers.forEach(function(e){if(e.destroy)e.destroy();e.setInterval(0)})};h.prototype._defaultAnnounceOpts=function(e){var t=this;if(!e)e={};if(e.numWant==null)e.numWant=t._numWant;if(e.uploaded==null)e.uploaded=0;if(e.downloaded==null)e.downloaded=0;if(e.left==null&&t.torrentLength!=null){e.left=t.torrentLength-e.downloaded}return e}}).call(this,e("buffer").Buffer)},{"./lib/common":123,"./lib/http-tracker":33,"./lib/udp-tracker":33,"./lib/websocket-tracker":124,buffer:34,debug:125,events:38,inherits:129,once:131,url:59}],122:[function(e,t,r){(function(t){var n=e("querystring");r.IPV4_RE=/^[\d\.]+$/;r.IPV6_RE=/^[\da-fA-F:]+$/;r.CONNECTION_ID=t.concat([i(1047),i(655366528)]);r.ACTIONS={CONNECT:0,ANNOUNCE:1,SCRAPE:2,ERROR:3};r.EVENTS={update:0,completed:1,started:2,stopped:3};r.EVENT_IDS={0:"update",1:"completed",2:"started",3:"stopped"};r.EVENT_NAMES={update:"update",completed:"complete",started:"start",stopped:"stop"};function i(e){var r=new t(4);r.writeUInt32BE(e,0);return r}r.toUInt32=i;r.querystringParse=function(e){var t=n.unescape;n.unescape=unescape;var r=n.parse(e);n.unescape=t;return r};r.querystringStringify=function(e){var t=n.escape;n.escape=escape;var r=n.stringify(e);r=r.replace(/[\@\*\/\+]/g,function(e){return"%"+e.charCodeAt(0).toString(16).toUpperCase()});n.escape=t;return r}}).call(this,e("buffer").Buffer)},{buffer:34,querystring:45}],123:[function(e,t,r){(function(t){var n=e("xtend/mutable");r.DEFAULT_ANNOUNCE_INTERVAL=30*60*1e3;r.DEFAULT_ANNOUNCE_PEERS=50;r.MAX_ANNOUNCE_PEERS=82;r.binaryToHex=function(e){return new t(e,"binary").toString("hex")};r.hexToBinary=function(e){return new t(e,"hex").toString("binary")};var i=e("./common-node");n(r,i)}).call(this,e("buffer").Buffer)},{"./common-node":122,buffer:34,"xtend/mutable":152}],124:[function(e,t,r){t.exports=l;var n=e("debug")("bittorrent-tracker:websocket-tracker");var i=e("events").EventEmitter;var o=e("hat");var s=e("inherits");var a=e("simple-peer");var f=e("simple-websocket");var u=e("./common");var c={};s(l,i);function l(e,t,r){var o=this;i.call(o);n("new websocket tracker %s",t);o.client=e;o._opts=r;o._announceUrl=t;o._peers={};o._socket=null;o._intervalMs=o.client._intervalMs;o._interval=null;if(c[t])o._socket=c[t];else o._socket=c[t]=new f(t);o._socket.on("error",o._onSocketError.bind(o));o._socket.on("data",o._onSocketData.bind(o))}l.prototype.announce=function(e){var t=this;if(!t._socket.connected){return t._socket.on("connect",t.announce.bind(t,e))}e.info_hash=t.client._infoHash.toString("binary");e.peer_id=t.client._peerId.toString("binary");if(e.numWant>5)e.numWant=5;t._generateOffers(e.numWant,function(r){e.offers=r;if(t._trackerId){e.trackerid=t._trackerId}t._send(e)})};l.prototype.scrape=function(e){var t=this;t._onSocketError(new Error("scrape not supported "+t._announceUrl))};l.prototype.setInterval=function(e){var t=this;clearInterval(t._interval);t._intervalMs=e;if(e){var r=t.announce.bind(t,t.client._defaultAnnounceOpts());t._interval=setInterval(r,t._intervalMs)}};l.prototype._onSocketError=function(e){var t=this;t.client.emit("error",e)};l.prototype._onSocketData=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 t.client.emit("warning",new Error("Invalid tracker response"))}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 f;if(e.offer){f=new a({trickle:false,config:t.client._rtcConfig,wrtc:t.client._wrtc});f.id=u.binaryToHex(e.peer_id);f.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)});f.signal(e.offer);t.client.emit("peer",f)}if(e.answer){f=t._peers[u.binaryToHex(e.offer_id)];if(f){f.id=u.binaryToHex(e.peer_id);f.signal(e.answer);t.client.emit("peer",f)}else{n("got unexpected answer: "+JSON.stringify(e.answer))}}};l.prototype._send=function(e){var t=this;n("send %s",JSON.stringify(e));t._socket.send(e)};l.prototype._generateOffers=function(e,t){var r=this;var i=[];n("generating %s offers",e);for(var s=0;s<e;++s){f()}function f(){var e=o(160);var t=r._peers[e]=new a({initiator:true,trickle:false,config:r.client._rtcConfig,wrtc:r.client._wrtc});t.once("signal",function(t){i.push({offer:t,offer_id:u.hexToBinary(e)});c()})}function c(){if(i.length===e){n("generated %s offers",e);t(i)}}}},{"./common":123,debug:125,events:38,hat:128,inherits:129,"simple-peer":132,"simple-websocket":144}],125:[function(e,t,r){arguments[4][16][0].apply(r,arguments)},{"./debug":126,dup:16}],126:[function(e,t,r){arguments[4][17][0].apply(r,arguments)},{dup:17,ms:127}],127:[function(e,t,r){arguments[4][18][0].apply(r,arguments)},{dup:18}],128:[function(e,t,r){arguments[4][93][0].apply(r,arguments)},{dup:93}],129:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{dup:19}],130:[function(e,t,r){arguments[4][27][0].apply(r,arguments)},{dup:27}],131:[function(e,t,r){arguments[4][77][0].apply(r,arguments)},{dup:77,wrappy:130}],132:[function(e,t,r){(function(r){t.exports=l;var n=e("debug")("simple-peer");var i=e("xtend/mutable");var o=e("hat");var s=e("inherits");var a=e("is-typedarray");var f=e("once");var u=e("stream");var c=e("typedarray-to-buffer");s(l,u.Duplex);function l(e){var t=this;if(!(t instanceof l))return new l(e);if(!e)e={};i(t,{initiator:false,stream:false,config:l.config,constraints:l.constraints,channelName:e&&e.initiator?o(160):null,trickle:true,allowHalfOpen:false,highWaterMark:1024*1024},e);u.Duplex.call(t,e);var r=e.wrtc||h();if(!r&&typeof window==="undefined"){throw new Error("Missing WebRTC support - You must supply "+"`opts.wrtc` in this environment")}else if(!r){throw new Error("Missing WebRTC support - is this a supported browser?")}t._wrtc=r;t._debug("new peer (initiator: %s)",t.initiator);t.destroyed=false;t.connected=false;t.remoteAddress=undefined;t.remoteFamily=undefined;t.remotePort=undefined;t.localAddress=undefined;t.localPort=undefined;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._buffer=[];t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints);t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t);t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t);t._pc.onicecandidate=t._onIceCandidate.bind(t);if(t.stream)t._pc.addStream(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName)});t._pc.onnegotiationneeded=f(t._createOffer.bind(t));if(typeof window==="undefined"||!window.webkitRTCPeerConnection){t._pc.onnegotiationneeded()}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){setTimeout(function(){t._destroy()},100)}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}});t._interval=setInterval(function(){if(!t._cb||!t._channel||t._channel.bufferedAmount)return;t._debug("removing backpressure");var e=t._cb;t._cb=null;e()},150);if(t._interval.unref)t._interval.unref()}l.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};l.constraints={};Object.defineProperty(l.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});l.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};l.prototype.send=function(e,t){var r=this;if(!t)t=p;r._write(e,undefined,t)};l.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if(typeof e==="string"){try{e=JSON.parse(e)}catch(r){e={}}}t._debug("signal()");if(e.sdp){t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){if(t._pc.remoteDescription.type==="offer")t._createAnswer()},t._onError.bind(t))}if(e.candidate){try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e.candidate),p,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: "+r.message))}}if(!e.sdp&&!e.candidate){t._destroy(new Error("signal() called with invalid signal data"))}};l.prototype.destroy=function(e){var t=this;t._destroy(null,e)};l.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;clearInterval(r._interval);r._interval=null;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;r.readable=r.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();if(e)r.emit("error",e);r.emit("close")};l.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)};l.prototype._read=function(){};l.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.connected){i._debug("_write before ready: length %d",o);i._buffer.push(e);n(null);return}i._debug("_write: length %d",o);if(a.strict(e)||e instanceof ArrayBuffer||typeof e==="string"||typeof Blob!=="undefined"&&e instanceof Blob){i._channel.send(e)}else if(r.isBuffer(e)){i._channel.send(new Uint8Array(e))}else{i._channel.send(JSON.stringify(e))}if(i._channel.bufferedAmount){i._debug("applying backpressure (bufferedAmount %s)",i._channel.bufferedAmount);i._cb=n}else{n(null)}};l.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;d(t);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){e._debug("signal");e.emit("signal",e._pc.localDescription||t)};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.offerConstraints)};l.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;d(t);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){e._debug("signal");e.emit("signal",e._pc.localDescription||t)};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.answerConstraints)};l.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,r);e.emit("iceConnectionStateChange",t,r);if(r==="connected"||r==="completed"){e._pcReady=true;e._maybeReady()}if(r==="disconnected"||r==="closed"){e._destroy()}};l.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(e.connected||e._connecting||!e._pcReady||!e._channelReady)return;e._connecting=true;if(typeof window!=="undefined"&&!!window.mozRTCPeerConnection){e._pc.getStats(null,function(e){var r=[];e.forEach(function(e){r.push(e)});t(r)},e._onError.bind(e))}else{e._pc.getStats(function(e){var r=[];e.result().forEach(function(e){var t={};e.names().forEach(function(r){t[r]=e.stat(r)});t.id=e.id;t.type=e.type;t.timestamp=e.timestamp;r.push(t)});t(r)})}function t(t){t.forEach(function(t){if(t.type==="remotecandidate"){e.remoteAddress=t.ipAddress;e.remoteFamily="IPv4";e.remotePort=Number(t.portNumber);e._debug("connect remote: %s:%s (%s)",e.remoteAddress,e.remotePort,e.remoteFamily)}else if(t.type==="localcandidate"&&t.candidateType==="host"){e.localAddress=t.ipAddress;e.localPort=Number(t.portNumber);e._debug("connect local: %s:%s",e.localAddress,e.localPort)}});e._connecting=false;e.connected=true;e._buffer.forEach(function(t){e.send(t)});e._buffer=[];e._debug("connect");e.emit("connect")}};l.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e._debug("signalingStateChange %s",e._pc.signalingState);e.emit("signalingStateChange",e._pc.signalingState)};l.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")}};l.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=c(new Uint8Array(r));t.push(r)}else{try{r=JSON.parse(r)}catch(n){}t.emit("data",r)}};l.prototype._onChannelOpen=function(){var e=this;if(e.connected||e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};l.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e._destroy()};l.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};l.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t._destroy(e)};l.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 h(){if(typeof window==="undefined")return null;var e={RTCPeerConnection:window.mozRTCPeerConnection||window.RTCPeerConnection||window.webkitRTCPeerConnection,RTCSessionDescription:window.mozRTCSessionDescription||window.RTCSessionDescription||window.webkitRTCSessionDescription,RTCIceCandidate:window.mozRTCIceCandidate||window.RTCIceCandidate||window.webkitRTCIceCandidate};if(!e.RTCPeerConnection)return null;return e}function d(e){var t=e.sdp.split("b=AS:30");if(t.length>1)e.sdp=t[0]+"b=AS:1638400"+t[1]}function p(){}}).call(this,e("buffer").Buffer)},{buffer:34,debug:133,hat:136,inherits:137,"is-typedarray":138,once:140,stream:57,"typedarray-to-buffer":141,"xtend/mutable":143}],133:[function(e,t,r){arguments[4][16][0].apply(r,arguments)},{"./debug":134,dup:16}],134:[function(e,t,r){arguments[4][17][0].apply(r,arguments)},{dup:17,ms:135}],135:[function(e,t,r){arguments[4][18][0].apply(r,arguments)},{dup:18}],136:[function(e,t,r){arguments[4][93][0].apply(r,arguments)},{dup:93}],137:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{dup:19}],138:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{dup:71}],139:[function(e,t,r){arguments[4][27][0].apply(r,arguments)},{dup:27}],140:[function(e,t,r){arguments[4][77][0].apply(r,arguments)},{dup:77,wrappy:139}],141:[function(e,t,r){arguments[4][70][0].apply(r,arguments)},{buffer:34,dup:70,"is-typedarray":142}],142:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{dup:71}],143:[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}},{}],144:[function(e,t,r){(function(r){t.exports=c;var n=e("debug")("simple-websocket");var i=e("inherits");var o=e("is-typedarray");var s=e("stream");var a=e("typedarray-to-buffer");var f=e("ws");var u=typeof window!=="undefined"?window.WebSocket:f;i(c,s.Duplex);function c(e,t){var r=this;if(!(r instanceof c))return new c(e,t);if(!t)t={};n("new websocket: %s %o",e,t);t.allowHalfOpen=false;s.Duplex.call(r,t);r.url=e;r.connected=false;r.destroyed=false;r._buffer=[];r._ws=new u(r.url);r._ws.binaryType="arraybuffer";r._ws.onopen=r._onOpen.bind(r);r._ws.onmessage=r._onMessage.bind(r);r._ws.onclose=r._onClose.bind(r);r._ws.onerror=r._onError.bind(r);r.on("finish",function(){if(r.connected){r._destroy()}else{r.once("connect",function(){setTimeout(function(){r._destroy()},100)})}})}c.prototype.send=function(e,t){var r=this;if(!t)t=l;r._write(e,undefined,t)};c.prototype.destroy=function(e){var t=this;t._destroy(null,e)};c.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);n("destroy (error: %s)",e&&e.message);r.connected=false;r.destroyed=true;if(r._ws){try{r._ws.close()}catch(e){}r._ws.onopen=null;r._ws.onmessage=null;r._ws.onclose=null;r._ws.onerror=null}r._ws=null;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")};c.prototype._read=function(){};c.prototype._write=function(e,t,i){var s=this;if(s.destroyed)return i(new Error("cannot write after socket is destroyed"));var a=e.length||e.byteLength||e.size;if(!s.connected){n("_write before ready: length %d",a);s._buffer.push(e);i(null);return}n("_write: length %d",a);if(o.strict(e)||e instanceof ArrayBuffer||r.isBuffer(e)||typeof e==="string"||typeof Blob!=="undefined"&&e instanceof Blob){s._ws.send(e)}else{s._ws.send(JSON.stringify(e))}i(null)};c.prototype._onMessage=function(e){var t=this;if(t.destroyed)return;var i=e.data;n("on message: length %d",i.byteLength||i.length);if(i instanceof ArrayBuffer){i=a(new Uint8Array(i));t.push(i)}else if(r.isBuffer(i)){t.push(i)}else{try{i=JSON.parse(i)}catch(o){}t.emit("data",i)}};c.prototype._onOpen=function(){var e=this;if(e.connected||e.destroyed)return;e.connected=true;e._buffer.forEach(function(t){e.send(t)});e._buffer=[];n("connect");e.emit("connect")};c.prototype._onClose=function(){var e=this;if(e.destroyed)return;n("on close");e._destroy()};c.prototype._onError=function(){var e=this;if(e.destroyed)return;var t=new Error("connection error to "+e.url);n("error: %s",t.message||t);e._destroy(t)};function l(){}}).call(this,e("buffer").Buffer)},{buffer:34,debug:145,inherits:148,"is-typedarray":149,stream:57,"typedarray-to-buffer":150,ws:33}],145:[function(e,t,r){arguments[4][16][0].apply(r,arguments)},{"./debug":146,dup:16}],146:[function(e,t,r){arguments[4][17][0].apply(r,arguments)},{dup:17,ms:147}],147:[function(e,t,r){arguments[4][18][0].apply(r,arguments)},{dup:18}],148:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{dup:19}],149:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{dup:71}],150:[function(e,t,r){arguments[4][70][0].apply(r,arguments)},{buffer:34,dup:70,"is-typedarray":151}],151:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{dup:71}],152:[function(e,t,r){arguments[4][143][0].apply(r,arguments)},{dup:143}],153:[function(e,t,r){arguments[4][16][0].apply(r,arguments)},{"./debug":154,dup:16}],154:[function(e,t,r){arguments[4][17][0].apply(r,arguments)},{dup:17,ms:155}],155:[function(e,t,r){arguments[4][18][0].apply(r,arguments)},{dup:18}],156:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{dup:19}],157:[function(e,t,r){arguments[4][112][0].apply(r,arguments)},{dup:112,events:38}],158:[function(e,t,r){arguments[4][143][0].apply(r,arguments)},{dup:143}],159:[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:160,bitfield:164,buffer:34,events:38,inherits:165,"simple-sha1":166}],160:[function(e,t,r){arguments[4][11][0].apply(r,arguments)},{"./lib/decode":161,"./lib/encode":163,dup:11}],161:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{"./dict":162,buffer:34,dup:12}],162:[function(e,t,r){arguments[4][13][0].apply(r,arguments)},{dup:13}],163:[function(e,t,r){arguments[4][14][0].apply(r,arguments)},{buffer:34,dup:14}],164:[function(e,t,r){arguments[4][6][0].apply(r,arguments)},{buffer:34,dup:6}],165:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{dup:19}],166:[function(e,t,r){arguments[4][84][0].apply(r,arguments)},{dup:84,rusha:167}],167:[function(e,t,r){arguments[4][85][0].apply(r,arguments)},{dup:85}],168:[function(e,t,r){arguments[4][21][0].apply(r,arguments)},{dup:21}],169:[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+""}},{}],170:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.36.0",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,"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":"^2.0.0","block-stream":"0.0.7",clivas:"^0.2.0","create-torrent":"^3.4.0",debug:"^2.1.0",dezalgo:"^1.0.1","end-of-stream":"^1.0.0",hat:"0.0.3",inherits:"^2.0.1",inquirer:"^0.8.0","load-ip-set":"^1.0.3",mime:"^1.2.11",minimist:"^1.1.0",mkdirp:"^0.5.0",moment:"^2.8.3",multistream:"^1.4.2","network-address":"^1.0.0",once:"^1.3.1","parse-torrent":"^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":"^3.0.0",ut_metadata:"^2.1.0",ut_pex:"^1.0.1","windows-no-runnable":"0.0.6",xtend:"^4.0.0","zero-fill":"^2.2.0"},devDependencies:{"bittorrent-tracker":"^4.0.0",brfs:"^1.2.0",browserify:"^10.0.0","run-auto":"^1.0.0",standard:"^3.1.1",tape:"^4.0.0","uglify-js":"^2.4.15",zelda:"^2.0.0",zuul:"^3.0.0"},homepage:"http://webtorrent.io",keywords:["torrent","bittorrent","bittorrent client","streaming","download","webrtc","webrtc data","webtorrent","mad science"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3","chromecast-js":"^0.1.4",nodebmc:"0.0.5"},repository:{type:"git",url:"git://github.com/feross/webtorrent.git"},scripts:{build:"browserify -s WebTorrent -e ./ | uglifyjs -m > webtorrent.min.js","build-debug":"browserify -s WebTorrent -e ./ > webtorrent.debug.js",size:"npm run build && cat webtorrent.min.js | gzip | wc -c",test:"standard && node ./bin/test.js","test-browser":"zuul -- test/basic.js","test-browser-local":"zuul --local -- test/basic.js","test-node":"tape test/*.js"}}},{}],171:[function(e,t,r){(function(r,n,i){t.exports=b;var o=e("create-torrent");var s=e("debug")("webtorrent");var a=e("bittorrent-dht/client");var f=e("events").EventEmitter;var u=e("xtend");var c=e("hat");var l=e("inherits");var h=e("load-ip-set");var d=e("run-parallel");var p=e("parse-torrent");var g=e("speedometer");var v=e("zero-fill");var m=e("./lib/fs-storage");var y=e("./lib/storage");var _=e("./lib/torrent");l(b,f);var w=e("./package.json").version.match(/([0-9]+)/g).slice(0,2).map(v(2)).join("");function b(e){var t=this;if(!(t instanceof b))return new b(e);if(!e)e={};f.call(t);if(!s.enabled)t.setMaxListeners(0);t.destroyed=false;t.torrentPort=e.torrentPort||0;t.tracker=e.tracker!==undefined?e.tracker:true;t._rtcConfig=e.rtcConfig;t._wrtc=e.wrtc||n.WRTC;t.torrents=[];t.downloadSpeed=g();t.uploadSpeed=g();t.storage=typeof e.storage==="function"?e.storage:e.storage!==false&&typeof m==="function"?m:y;t.peerId=e.peerId===undefined?new i("-WW"+w+"-"+c(48),"utf8"):typeof e.peerId==="string"?new i(e.peerId,"hex"):e.peerId;t.peerIdHex=t.peerId.toString("hex");t.nodeId=e.nodeId===undefined?new i(c(160),"hex"):typeof e.nodeId==="string"?new i(e.nodeId,"hex"):e.nodeId;t.nodeIdHex=t.nodeId.toString("hex");if(e.dht!==false&&typeof a==="function"){t.dht=new a(u({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}s("new webtorrent (peerId %s, nodeId %s)",t.peerIdHex,t.nodeIdHex);if(typeof h==="function"){h(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;o()})}else r.nextTick(o);function o(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(b.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}});b.prototype.get=function(e){var t=this;var r=p(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};b.prototype.add=b.prototype.download=function(e,t,r){var n=this;if(n.destroyed)throw new Error("client is destroyed");s("add");if(typeof t==="function"){r=t;t={}}if(!t)t={};t.client=n;t.storage=t.storage||n.storage;var i=new _(e,t);n.torrents.push(i);function o(e){if(i.infoHash===e.infoHash){r(i);n.removeListener("torrent",o)}}if(r)n.on("torrent",o);i.on("error",function(e){n.emit("error",e,i)});i.on("listening",function(e){n.emit("listening",e,i)});i.on("ready",function(){s("torrent");n.emit("torrent",i)});return i};b.prototype.seed=function(e,t,r){var n=this;if(n.destroyed)throw new Error("client is destroyed");s("seed");if(typeof t==="function"){r=t;t={}}if(!t)t={};t.noVerify=true;o.parseInput(e,t,function(i,s){if(i)return n.emit("error",i);var a=s.map(function(e){return e.getStream});o(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)})}d(t,function(t){if(t)return n.emit("error",t);if(r)r(e);n.emit("seed",e)})})})})};b.prototype.remove=function(e,t){var r=this;var n=r.get(e);if(!n)throw new Error("No torrent with id "+e);s("remove");r.torrents.splice(r.torrents.indexOf(n),1);n.destroy(t)};b.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}};b.prototype.destroy=function(e){var t=this;t.destroyed=true;s("destroy");var r=t.torrents.map(function(e){return function(r){t.remove(e.infoHash,r)}});if(t.dht){r.push(function(e){t.dht.destroy(e)})}d(r,e)}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./lib/fs-storage":33,"./lib/storage":4,"./lib/torrent":5,"./package.json":170,_process:41,"bittorrent-dht/client":33,buffer:34,"create-torrent":62,debug:86,events:38,hat:93,inherits:94,"load-ip-set":33,"parse-torrent":99,"run-parallel":113,speedometer:119,xtend:168,"zero-fill":169}]},{},[171])(171)});
\ No newline at end of file
+(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:71,inherits:79,path:25,stream:42}],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._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};f.prototype._flow=function(){var e=this;n("flow");if(e._cb){e._cb(null)}}},{debug:71,inherits:79,once:83,stream:42}],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);if(!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:26,bitfield:6,"block-stream":15,buffer:19,debug:71,dezalgo:74,"end-of-stream":77,events:23,inherits:79,multistream:80,once:83,"simple-sha1":102}],5:[function(e,t,r){(function(r){t.exports=L;var n=e("addr-to-ip-port");var i=e("create-torrent");var o=e("debug")("webtorrent:torrent");var s=e("torrent-discovery");var a=e("events").EventEmitter;var f=e("fs");var u=e("simple-get");var c=e("inherits");var l=e("run-parallel");var h=e("parse-torrent");var d=e("re-emitter");var p=e("bittorrent-swarm");var g=e("ut_metadata");var v=e("ut_pex");var m=e("./rarity-map");var y=e("./server");var _=e("./storage");var w=128*1024;var b=1e4;var k=5e3;var E=3*_.BLOCK_LENGTH;var x=.5;var S=1;var A=1e4;var I=2;function C(){}c(L,a);function L(e,t){var n=this;a.call(n);if(!o.enabled)n.setMaxListeners(0);o("new torrent");n.opts=t;n.client=t.client;n.hotswapEnabled="hotswap"in t?t.hotswap:true;n.verify=t.verify;n.chokeTimeout=t.chokeTimeout||k;n.pieceTimeout=t.pieceTimeout||b;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||_;var s;try{s=e&&e.parsedTorrent||h(e)}catch(c){}if(s&&s.infoHash){l(s)}else if(typeof u==="function"&&/^https?:/.test(e)){u.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)}l(t)})}else if(typeof f.readFile==="function"){f.readFile(e,function(e,t){if(e)return n.emit("error",new Error("Invalid torrent identifier"));l(t)})}else throw new Error("Invalid torrent identifier");function l(e){try{n.parsedTorrent=h(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;if(n.parsedTorrent.announce.length===0){n.parsedTorrent.announceList=i.announceList;n.parsedTorrent.announce=[].concat.apply([],i.announceList)}n.swarm=new p(n.infoHash,n.client.peerId,{handshake:{dht:!!n.client.dht}});d(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));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 h.toMagnetURI(this.parsedTorrent)}});L.prototype._onSwarmListening=function(){var e=this;if(e._destroyed)return;if(e.swarm.server)e.client.torrentPort=e.swarm.address().port;e.discovery=new s({announce:e.parsedTorrent.announce,dht:e.client.dht,tracker:e.client.tracker,peerId:e.client.peerId,port:e.client.torrentPort,rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc});e.discovery.setTorrent(e.infoHash);e.discovery.on("peer",e.addPeer.bind(e));d(e.discovery,e,["dhtAnnounce","warning","error"]);if(e.parsedTorrent.info)e._onMetadata(e.parsedTorrent);e.emit("listening",e.client.torrentPort)};L.prototype._onMetadata=function(e){var t=this;if(t.metadata||t._destroyed)return;o("got metadata");if(e&&e.infoHash){t.metadata=h.toTorrentFile(e);t.parsedTorrent=e}else{t.metadata=e;try{t.parsedTorrent=h(t.metadata)}catch(n){return t.emit("error",n)}}t.name=t.parsedTorrent.name;t.discovery.setTorrent(t.parsedTorrent);t.rarityMap=new m(t.swarm,t.parsedTorrent.pieces.length);t.storage=new t._storageImpl(t.parsedTorrent,t.opts);t.storage.on("piece",t._onStoragePiece.bind(t));t.storage.on("file",function(e){t.emit("file",e)});t._reservations=t.storage.pieces.map(function(){return[]});t.storage.on("done",function(){if(t.discovery.tracker)t.discovery.tracker.complete();o("torrent "+t.infoHash+" done");t.emit("done")});t.storage.on("select",t.select.bind(t));t.storage.on("deselect",t.deselect.bind(t));t.storage.on("critical",t.critical.bind(t));t.storage.files.forEach(function(e){t.files.push(e)});t.swarm.wires.forEach(function(e){if(e.ut_metadata)e.ut_metadata.setMetadata(t.metadata);t._onWireWithMetadata(e)});if(t.verify){r.nextTick(function(){o("verifying existing torrent data");var e=0;var r=0;l(t.storage.pieces.map(function(n){return function(i){t.storage.read(n.index,function(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;o("piece "+(n.verified?"verified":"invalid")+" "+n.index)}i()},true)}}),t._onStorage.bind(t))})}else{r.nextTick(t._onStorage.bind(t))}r.nextTick(function(){t.emit("metadata")})};L.prototype.destroy=function(e){var t=this;o("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)});l(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("blockedPeer",e);return false}else{t.emit("peer",e);t.swarm.addPeer(e);return true}};L.prototype.select=function(e,t,r,n){var i=this;if(e>t||e<0||t>=i.storage.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;o("select %s-%s (priority %s)",e,t,r);i._selections.push({from:e,to:t,offset:0,priority:r,notify:n||C});i._selections.sort(function(e,t){return t.priority-e.priority});i._updateSelections()};L.prototype.deselect=function(e,t,r){var n=this;r=Number(r)||0;o("deselect %s-%s (priority %s)",e,t,r);for(var i=0;i<n._selections.length;++i){var s=n._selections[i];if(s.from===e&&s.to===t&&s.priority===r){n._selections.splice(i--,1);break}}n._updateSelections()};L.prototype.critical=function(e,t){var r=this;o("critical %s-%s",e,t);for(var n=e;n<=t;++n){r._critical[n]=true}r._updateSelections()};L.prototype._onWire=function(e,t){var r=this;var i=n(t);e.remoteAddress=i[0];e.remotePort=i[1];e.use(g(r.metadata));if(!r.metadata){e.ut_metadata.on("metadata",function(e){o("got metadata via ut_metadata");r._onMetadata(e)});e.ut_metadata.fetch()}if(typeof v==="function"){e.use(v());e.ut_pex.on("peer",function(e){o("ut_pex: got peer: %s (from %s)",e,t);r.addPeer(e)});e.ut_pex.on("dropped",function(e){o("ut_pex: dropped peer: %s (from %s)",e,t);if(!(e in r.swarm._peers))r.swarm._removePeer(e)})}e.setKeepAlive(true);if(e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening){e.port(r.client.dht.address().port)}e.on("port",function(e){o("port: %s (from %s)",e,t);var i=n(t);if(r.client.dht)r.client.dht.addNode(i[0]+":"+e)});e.on("timeout",function(){o("wire timeout (%s)",t);e.destroy()});e.setTimeout(r.pieceTimeout,true);if(r.metadata){r._onWireWithMetadata(e)}};L.prototype._onWireWithMetadata=function(e){var t=this;var r=null;var n=t.chokeTimeout;function i(){if(t._destroyed||e._destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(i,n);if(r.unref)r.unref()}}var 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(i,n);if(r.unref)r.unref()});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,n,i,s){if(i>w){o("got invalid block size request %s (from %s)",i,e.remoteAddress+":"+e.remotePort);return e.destroy()}t.storage.readBlock(r,n,i,s)});e.bitfield(t.storage.bitfield);e.interested();r=setTimeout(i,n);if(r.unref)r.unref();e.isSeeder=false;a()};L.prototype._onStorage=function(){var e=this;if(e._destroyed)return;o("on storage");e.storage.readonly=false;e.select(0,e.storage.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),A);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();r.nextTick(function(){e.ready=true;e.emit("ready")})};L.prototype._onStoragePiece=function(e){var t=this;o("piece done %s",e.index);t._reservations[e.index]=null;t.swarm.wires.forEach(function(t){t.have(e.index)});t._gcSelections()};L.prototype._updateSelections=function(){var e=this;if(!e.swarm||e._destroyed)return;if(!e.metadata)return e.once("metadata",e._updateSelections.bind(e));r.nextTick(e._gcSelections.bind(e));e._updateInterest();e._update()};L.prototype._gcSelections=function(){var e=this;for(var t=0;t<e._selections.length;t++){var r=e._selections[t];var n=r.offset;while(e.storage.bitfield.get(r.from+r.offset)&&r.from+r.offset<r.to){r.offset++}if(n!==r.offset)r.notify();if(r.to!==r.from+r.offset)continue;if(!e.storage.bitfield.get(r.from+r.offset))continue;e._selections.splice(t--,1);r.notify();e._updateInterest()}if(!e._selections.length)e.emit("idle")};L.prototype._updateInterest=function(){var e=this;var t=e._amInterested;e._amInterested=!!e._selections.length;e.swarm.wires.forEach(function(t){if(e._amInterested)t.interested();else t.uninterested()});if(t===e._amInterested)return;if(e._amInterested)e.emit("interested");else e.emit("uninterested")};L.prototype._update=function(){var e=this;if(e._destroyed)return;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=T(e,x);if(e.requests.length>=r)return;var n=T(e,S);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>E)return function(){return true};var n=Math.max(1,e.requests.length)*_.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<E)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[B(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<_.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>=E)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 i=this;var s=e.requests.length;if(i.storage.bitfield.get(t))return false;var a=T(e,S);if(s>=a)return false;var f=e.requests.length===0&&i.storage.numMissing<30;var u=i.storage.reserveBlock(t,f);if(!u&&!f&&n&&i._hotswap(e,t)){u=i.storage.reserveBlock(t,false)}if(!u)return false;var c=i._reservations[t];if(!c){c=i._reservations[t]=[]}var l=c.indexOf(null);if(l===-1)l=c.length;c[l]=e;function h(n,s){if(!i.ready){i.once("ready",function(){h(n,s)});return}if(c[l]===e)c[l]=null;if(n){o("error getting piece %s (offset: %s length: %s) from %s: %s",t,u.offset,u.length,e.remoteAddress+":"+e.remotePort,n.message);i.storage.cancelBlock(t,u.offset);r.nextTick(i._update.bind(i));return false}else{o("got piece %s (offset: %s length: %s) from %s",t,u.offset,u.length,e.remoteAddress+":"+e.remotePort);i.storage.writeBlock(t,u.offset,s,function(e){if(e){o("error writing block");i.storage.cancelBlock(t,u.offset)}r.nextTick(i._update.bind(i))})}}e.request(t,u.offset,u.length,h);return true};L.prototype.createServer=function(e){var t=this;if(typeof y==="function"){return new y(t,e)}};function T(e,t){return Math.ceil(2+t*e.downloadSpeed()/_.BLOCK_LENGTH)}function B(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=B(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":18,"./storage":4,_process:26,"addr-to-ip-port":18,"bittorrent-swarm":7,"create-torrent":47,debug:71,events:23,fs:16,inherits:79,"parse-torrent":84,"re-emitter":97,"run-parallel":98,"simple-get":18,"torrent-discovery":105,ut_metadata:144,ut_pex:18}],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:19}],7:[function(e,t,r){(function(r,n){t.exports=g;var i=e("addr-to-ip-port");var o=e("debug")("bittorrent-swarm");var s=e("dezalgo");var a=e("events").EventEmitter;var f=e("inherits");var u=e("net");var c=e("./lib/peer");var l=e("speedometer");var h=e("./lib/tcp-pool");var d=55;var p=[1e3,5e3,15e3,3e4,6e4,12e4,3e5,6e5];f(g,a);function g(e,t,r){var i=this;if(!(i instanceof g))return new g(e,t,r);a.call(i);i.infoHash=typeof e==="string"?new n(e,"hex"):e;i.infoHashHex=i.infoHash.toString("hex");i.peerId=typeof t==="string"?new n(t,"hex"):t;i.peerIdHex=i.peerId.toString("hex");if(!r)r={};o("new swarm (i %s p %s)",i.infoHashHex,i.peerIdHex);i.handshakeOpts=r.handshake;i.maxConns=r.maxConns!==undefined?r.maxConns:d;i.destroyed=false;i.listening=false;i.paused=false;i.server=null;i.wires=[];i._queue=[];i._peers={};i._peersLength=0;i._port=0;i.downloaded=0;i.uploaded=0;i.downloadSpeed=l();i.uploadSpeed=l()}Object.defineProperty(g.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}});Object.defineProperty(g.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}});Object.defineProperty(g.prototype,"numConns",{get:function(){var e=this;var t=0;for(var r in e._peers){var n=e._peers[r];if(n&&n.conn)t+=1}return t}});Object.defineProperty(g.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}});g.prototype.addPeer=function(e){var t=this;if(t.destroyed){if(e&&e.destroy)e.destroy();return}if(typeof e==="string"&&!t._validAddr(e)){o("ignoring invalid peer %s (from swarm.addPeer)",e);return}var r=e&&e.id||e;if(t._peers[r])return;o("addPeer %s",r);var n;if(typeof e==="string"){n=c.createOutgoingTCPPeer(e,t);t._queue.push(n);t._drain()}else{n=c.createWebRTCPeer(e,t)}t._peers[n.id]=n;t._peersLength+=1};g.prototype._addIncomingPeer=function(e){var t=this;if(t.destroyed||t.paused)return e.destroy();if(!t._validAddr(e.addr)){o("ignoring invalid peer %s (from incoming)",e.addr);return e.destroy()}t._peers[e.id]=e;t._peersLength+=1};g.prototype._removePeer=function(e){var t=this;var r=t._peers[e];if(!r)return;o("_removePeer %s",e);t._peers[e]=null;t._peersLength-=1;r.destroy()};g.prototype.pause=function(){var e=this;if(e.destroyed)return;o("pause");e.paused=true};g.prototype.resume=function(){var e=this;if(e.destroyed)return;o("resume");e.paused=false;e._drain()};g.prototype.listen=function(e,t){var n=this;if(typeof e==="function"){t=e;e=undefined}if(t)t=s(t);if(n.listening)throw new Error("swarm already listening");if(r.browser){t()}else{n._port=e||h.getDefaultListenPort(n.infoHashHex);if(t)n.once("listening",t);o("listen %s",e);var i=h.addSwarm(n);n.server=i.server}};g.prototype._onListening=function(e){var t=this;t._port=e;t.listening=true;t.emit("listening")};g.prototype.address=function(){var e=this;return e.server.address()};g.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.listening=false;t.paused=false;if(e)t.once("close",e);o("destroy");for(var n in t._peers){t._removePeer(n)}h.removeSwarm(t);r.nextTick(function(){t.emit("close")})};g.prototype._drain=function(){var e=this;if(e.destroyed||e.paused||e.numConns>=e.maxConns)return;o("drain (%s queued, %s/%s peers)",e.numQueued,e.numPeers,e.maxConns);var t=e._queue.shift();if(!t)return;o("tcp connect attempt to %s",t.addr);var r=i(t.addr);
+var n=t.conn=u.connect(r[1],r[0]);n.once("connect",function(){t.onConnect()});n.once("error",function(){t.destroy()});t.setTimeout();n.on("close",function(){if(e.destroyed||t.retries>=p.length){return}function r(){var r=c.createOutgoingTCPPeer(t.addr,e);r.retries=t.retries+1;e._queue.push(r);e._drain()}var n=setTimeout(r,p[t.retries]);if(n.unref)n.unref()})};g.prototype._onError=function(e){var t=this;t.emit("error",e);t.destroy()};g.prototype._validAddr=function(e){var t=this;var r=i(e);var n=r[0];var o=r[1];return o>0&&o<65535&&!(n==="127.0.0.1"&&o===t._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":8,"./lib/tcp-pool":9,_process:26,"addr-to-ip-port":18,buffer:19,debug:71,dezalgo:74,events:23,inherits:79,net:18,speedometer:104}],8:[function(e,t,r){var n=e("bittorrent-protocol");var i=25e3;r.createWebRTCPeer=function(e,t){var r=new o(e.id);r.conn=e;r.swarm=t;if(r.conn.connected){r.onConnect()}else{r.conn.once("connect",function(){r.onConnect()});r.conn.once("error",function(){r.destroy()});r.setTimeout()}return r};r.createIncomingTCPPeer=function(e,t){var r=new o(t);r.conn=e;r.addr=e.remoteAddress+":"+e.remotePort;r.onConnect();return r};r.createOutgoingTCPPeer=function(e,t){var r=new o(e);r.swarm=t;r.addr=e;return r};function o(e){var t=this;t.id=e;t.addr=null;t.conn=null;t.swarm=null;t.wire=null;t.destroyed=false;t.timeout=null;t.retries=0;t.gotHandshake=false;t.sentHandshake=false}o.prototype.onConnect=function(){var e=this;function t(){e.destroy()}var r=e.conn;r.once("end",t);r.once("close",t);r.once("finish",t);r.once("error",t);var i=e.wire=new n;i.once("end",t);i.once("finish",t);i.once("error",t);i.once("handshake",function(t){e.onHandshake(t)});e.setTimeout();r.pipe(i).pipe(r);if(e.swarm)e.handshake()};o.prototype.onHandshake=function(e){var t=this;if(!t.swarm)return;if(t.swarm.destroyed||e.toString("hex")!==t.swarm.infoHashHex){t.destroy();return}t.clearTimeout();t.gotHandshake=true;t.retries=0;t.wire.on("download",function(e){t.swarm.downloaded+=e;t.swarm.downloadSpeed(e);t.swarm.emit("download",e)});t.wire.on("upload",function(e){t.swarm.uploaded+=e;t.swarm.uploadSpeed(e);t.swarm.emit("upload",e)});if(!t.sentHandshake)t.handshake();t.swarm.wires.push(t.wire);var r=t.addr||t.conn.remoteAddress+":"+t.conn.remotePort;t.swarm.emit("wire",t.wire,r)};o.prototype.handshake=function(){var e=this;e.wire.handshake(e.swarm.infoHash,e.swarm.peerId,e.swarm.handshakeOpts);e.sentHandshake=true};o.prototype.setTimeout=function(){var e=this;if(e.timeout)clearTimeout(e.timeout);e.timeout=setTimeout(function(){e.destroy()},i);if(e.timeout.unref)e.timeout.unref()};o.prototype.clearTimeout=function(){var e=this;if(e.timeout)clearTimeout(e.timeout);e.timeout=null};o.prototype.destroy=function(){var e=this;if(e.destroyed)return;e.destroyed=true;if(e.conn)e.conn.destroy();e.swarm.wires.splice(e.swarm.wires.indexOf(e.wire),1);if(e.wire)e.wire.destroy();if(e.swarm){e.swarm._removePeer(e.id);e.swarm._drain()}if(e.timeout)clearTimeout(e.timeout);e.timeout=null;e.conn=null;e.swarm=null;e.wire=null}},{"bittorrent-protocol":10}],9:[function(e,t,r){(function(r){t.exports=a;var n=e("dezalgo");var i=e("net");var o=e("./peer");var s={};function a(e){var t=this;t.port=e;t.listening=false;t.swarms={};t.pendingConns=[];t.server=i.createServer();t.server.on("connection",function(e){t._onConnection(e)});t.server.on("error",function(e){t._onError(e)});t.server.on("listening",function(){t._onListening()});t.server.listen(t.port)}a.addSwarm=function(e){var t=s[e._port];if(!t)t=s[e._port]=new a(e._port);t.addSwarm(e);return t};a.removeSwarm=function(e){var t=s[e._port];if(!t)return;t.removeSwarm(e);var r=0;for(var n in t.swarms){var i=t.swarms[n];if(i)r+=1}if(r===0)t.destroy()};a.getDefaultListenPort=function(e){for(var t in s){var r=s[t];if(r&&!r.swarms[e])return r.port}return 0};a.prototype.addSwarm=function(e){var t=this;if(t.listening){r.nextTick(function(){e._onListening(t.port)})}if(t.swarms[e.infoHashHex]){r.nextTick(function(){e._onError(new Error("There is already a swarm with info hash "+e.infoHashHex+" "+"listening on port "+e._port))});return}t.swarms[e.infoHashHex]=e};a.prototype.removeSwarm=function(e){var t=this;t.swarms[e.infoHashHex]=null};a.prototype.destroy=function(e){var t=this;if(e)e=n(e);t.listening=false;t.pendingConns.forEach(function(e){e.destroy()});s[t.port]=null;try{t.server.close(e)}catch(r){if(e)e(null)}};a.prototype._onListening=function(){var e=this;var t=e.server.address().port;if(t!==e.port){s[e.port]=null;e.port=t;s[e.port]=e}e.listening=true;for(var r in e.swarms){var n=e.swarms[r];if(n)n._onListening(e.port)}};a.prototype._onConnection=function(e){var t=this;t.pendingConns.push(e);e.once("close",r);function r(){t.pendingConns.splice(t.pendingConns.indexOf(e))}var n=o.createIncomingTCPPeer(e);n.wire.once("handshake",function(i){r();e.removeListener("close",r);var o=t.swarms[i.toString("hex")];if(o){n.swarm=o;o._addIncomingPeer(n);n.onHandshake(i)}else{n.destroy()}})};a.prototype._onError=function(e){var t=this;t.destroy();for(var r in t.swarms){var n=t.swarms[r];if(n){t.removeSwarm(n);n._onError(e)}}}}).call(this,e("_process"))},{"./peer":8,_process:26,dezalgo:74,net:18}],10:[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,t){this._clearTimeout();this._timeoutMs=e;this._timeoutUnref=!!t;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);if(this._timeoutUnref&&this._timeout.unref)this._timeout.unref()};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:11,bitfield:6,buffer:19,debug:71,inherits:79,speedometer:104,stream:42,xtend:153}],11:[function(e,t,r){t.exports={encode:e("./lib/encode"),decode:e("./lib/decode")}},{"./lib/decode":12,"./lib/encode":14}],12:[function(e,t,r){(function(r){var n=e("./dict");function i(e,t){i.position=0;i.encoding=t||null;i.data=!r.isBuffer(e)?new r(e):e;return i.next()}i.position=0;i.data=null;i.encoding=null;i.next=function(){switch(i.data[i.position]){case 100:return i.dictionary();break;case 108:return i.list();break;case 105:return i.integer();break;default:return i.bytes();break}};i.find=function(e){var t=i.position;var r=i.data.length;var n=i.data;while(t<r){if(n[t]===e)return t;t++}throw new Error('Invalid data: Missing delimiter "'+String.fromCharCode(e)+'" [0x'+e.toString(16)+"]")};i.dictionary=function(){i.position++;var e=new n;while(i.data[i.position]!==101){e.binarySet(i.bytes(),i.next())}i.position++;return e};i.list=function(){i.position++;var e=[];while(i.data[i.position]!==101){e.push(i.next())}i.position++;return e};i.integer=function(){var e=i.find(101);var t=i.data.toString("ascii",i.position+1,e);i.position+=e+1-i.position;return parseInt(t,10)};i.bytes=function(){var e=i.find(58);var t=parseInt(i.data.toString("ascii",i.position,e),10);var r=++e+t;i.position=r;return i.encoding?i.data.toString(i.encoding,e,r):i.data.slice(e,r)};t.exports=i}).call(this,e("buffer").Buffer)},{"./dict":13,buffer:19}],13:[function(e,t,r){var n=t.exports=function i(){Object.defineProperty(this,"_keys",{enumerable:false,value:[]})};n.prototype.binaryKeys=function o(){return this._keys.slice()};n.prototype.binarySet=function s(e,t){this._keys.push(e);this[e]=t}},{}],14:[function(e,t,r){(function(e){function r(t){var n=[];r._encode(n,t);return e.concat(n)}r._floatConversionDetected=false;r._encode=function(t,n){if(e.isBuffer(n)){t.push(new e(n.length+":"));t.push(n);return}switch(typeof n){case"string":r.bytes(t,n);break;case"number":r.number(t,n);break;case"object":n.constructor===Array?r.list(t,n):r.dict(t,n);break}};var n=new e("e"),i=new e("d"),o=new e("l");r.bytes=function(t,r){t.push(new e(e.byteLength(r)+":"+r))};r.number=function(t,n){var i=2147483648;var o=n/i<<0;var s=n%i<<0;var a=o*i+s;t.push(new e("i"+a+"e"));if(a!==n&&!r._floatConversionDetected){r._floatConversionDetected=true;console.warn('WARNING: Possible data corruption detected with value "'+n+'":','Bencoding only defines support for integers, value was converted to "'+a+'"');console.trace()}};r.dict=function(e,t){e.push(i);var o=0;var s;var a=Object.keys(t).sort();var f=a.length;for(;o<f;o++){s=a[o];r.bytes(e,s);r._encode(e,t[s])}e.push(n)};r.list=function(e,t){var i=0,s=1;var a=t.length;e.push(o);for(;i<a;i++){r._encode(e,t[i])}e.push(n)};t.exports=r}).call(this,e("buffer").Buffer)},{buffer:19}],15:[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:26,assert:17,buffer:19,inherits:79,stream:42}],16:[function(e,t,r){},{}],17:[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){if(!e)c(e,true,t,"==",s.ok)}s.ok=l;s.equal=function _(e,t,r){if(e!=t)c(e,t,r,"==",s.equal)};s.notEqual=function w(e,t,r){if(e==t){c(e,t,r,"!=",s.notEqual)}};s.deepEqual=function b(e,t,r){if(!h(e,t)){c(e,t,r,"deepEqual",s.deepEqual)}};function h(e,t){if(e===t){return true}else if(n.isBuffer(e)&&n.isBuffer(t)){if(e.length!=t.length)return false;for(var r=0;r<e.length;r++){if(e[r]!==t[r])return false}return true}else if(n.isDate(e)&&n.isDate(t)){return e.getTime()===t.getTime()}else if(n.isRegExp(e)&&n.isRegExp(t)){return e.source===t.source&&e.global===t.global&&e.multiline===t.multiline&&e.lastIndex===t.lastIndex&&e.ignoreCase===t.ignoreCase}else if(!n.isObject(e)&&!n.isObject(t)){return e==t}else{return p(e,t)}}function d(e){return Object.prototype.toString.call(e)=="[object Arguments]"}function p(e,t){if(n.isNullOrUndefined(e)||n.isNullOrUndefined(t))return false;if(e.prototype!==t.prototype)return false;if(n.isPrimitive(e)||n.isPrimitive(t)){return e===t}var r=d(e),o=d(t);if(r&&!o||!r&&o)return false;if(r){e=i.call(e);t=i.call(t);return h(e,t)}var s=m(e),a=m(t),f,u;if(s.length!=a.length)return false;s.sort();a.sort();for(u=s.length-1;u>=0;u--){if(s[u]!=a[u])return false}for(u=s.length-1;u>=0;u--){f=s[u];if(!h(e[f],t[f]))return false}return true}s.notDeepEqual=function 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n=e("magnet-uri");var 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 n("magnet:?xt=urn:btih:"+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:19,"magnet-uri":85,"parse-torrent-file":90}],85:[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," ");if(n==="tr"||n==="xs"||n==="as"||n==="ws"){i=decodeURIComponent(i)}if(n==="kt")i=decodeURIComponent(i).split("+");if(t[n]){if(Array.isArray(t[n])){t[n].push(i)}else{var o=t[n];t[n]=[o,i]}}else{t[n]=i}});var s;if(t.xt){var a=Array.isArray(t.xt)?t.xt:[t.xt];a.forEach(function(e){if(s=e.match(/^urn:btih:(.{40})/)){t.infoHash=new r(s[1],"hex").toString("hex")}else if(s=e.match(/^urn:btih:(.{32})/)){var i=n.decode(s[1]);t.infoHash=new r(i,"binary").toString("hex")}})}if(t.dn)t.name=t.dn;if(t.kt)t.keywords=t.kt;if(typeof t.tr==="string")t.announce=[t.tr];else if(Array.isArray(t.tr))t.announce=t.tr;else t.announce=[];t.announceList=t.announce.map(function(e){return[e]});t.urlList=[];if(typeof t.as==="string"||Array.isArray(t.as)){t.urlList=t.urlList.concat(t.as)}if(typeof t.ws==="string"||Array.isArray(t.ws)){t.urlList=t.urlList.concat(t.ws)}return t}function a(e){e=i(e);if(e.infoHash)e.xt="urn:btih:"+e.infoHash;if(e.name)e.dn=e.name;if(e.keywords)e.kt=e.keywords;if(e.announce)e.tr=e.announce;if(e.announceList)e.tr=o(e.announceList);if(e.urlList){e.ws=o(e.urlList);delete e.as}var t="magnet:?";Object.keys(e).filter(function(e){return e.length===2}).forEach(function(r,n){var i=Array.isArray(e[r])?e[r]:[e[r]];i.forEach(function(e,i){if((n>0||i>0)&&(r!=="kt"||i===0))t+="&";if(r==="dn")e=encodeURIComponent(e).replace(/%20/g,"+");if(r==="tr"||r==="xs"||r==="as"||r==="ws"){e=encodeURIComponent(e)}if(r==="kt")e=encodeURIComponent(e);if(r==="kt"&&i>0)t+="+"+e;else t+=r+"="+e})});return t}}).call(this,e("buffer").Buffer)},{buffer:19,flatten:86,"thirty-two":87,xtend:89}],86:[function(e,t,r){arguments[4][58][0].apply(r,arguments)},{dup:58}],87:[function(e,t,r){var n=e("./thirty-two");r.encode=n.encode;r.decode=n.decode},{"./thirty-two":88}],88:[function(e,t,r){(function(e){var t="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";var n=[255,255,26,27,28,29,30,31,255,255,255,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255];function i(e){var t=Math.floor(e.length/5);return e.length%5==0?t:t+1}r.encode=function(r){var n=0;var o=0;var s=0;var a=0;var f=new e(i(r)*8);if(!e.isBuffer(r)){r=new e(r)}while(n<r.length){var u=r[n];if(s>3){a=u&255>>s;s=(s+5)%8;a=a<<s|(n+1<r.length?r[n+1]:0)>>8-s;n++}else{a=u>>8-(s+5)&31;s=(s+5)%8;if(s==0)n++}f[o]=t.charCodeAt(a);o++}for(n=o;n<f.length;n++)f[n]=61;return f};r.decode=function(t){var r=0;var i=0;var o;var s=0;if(!e.isBuffer(t)){t=new e(t)}var a=new e(Math.ceil(t.length*5/8));for(var f=0;f<t.length;f++){if(t[f]==61){break}var u=t[f]-48;if(u<n.length){i=n[u];if(r<=3){r=(r+5)%8;if(r==0){o|=i;a[s]=o;s++;o=0}else{o|=255&i<<8-r}}else{r=(r+5)%8;o|=255&i>>>r;a[s]=o;s++;o=255&i<<8-r}}else{throw new Error("Invalid input - it is not base32 encoded string")}}return a.slice(0,s)}}).call(this,e("buffer").Buffer)},{buffer:19}],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){(function(r){t.exports=s;t.exports.decode=s;t.exports.encode=a;var n=e("bencode");var i=e("path");var o=e("simple-sha1");function s(e){if(r.isBuffer(e)){e=n.decode(e)}c(e.info,"info");c(e.info.name,"info.name");c(e.info["piece length"],"info['piece length']");c(e.info.pieces,"info.pieces");if(e.info.files){e.info.files.forEach(function(e){c(typeof e.length==="number","info.files[0].length");c(e.path,"info.files[0].path")})}else{c(typeof e.info.length==="number","info.length")}var t={};t.info=e.info;t.infoBuffer=n.encode(e.info);t.infoHash=o.sync(t.infoBuffer);t.name=e.info.name.toString();t.private=!!e.info.private;if(e["creation date"])t.created=new Date(e["creation date"]*1e3);if(r.isBuffer(e.comment))t.comment=e.comment.toString();var s=e["announce-list"];if(!s){if(e.announce){s=[[e.announce]]}else{s=[]}}t.announceList=s.map(function(e){return e.map(function(e){return e.toString()})});t.announce=[].concat.apply([],t.announceList);if(r.isBuffer(e["url-list"])){e["url-list"]=e["url-list"].length>0?[e["url-list"]]:[]}t.urlList=(e["url-list"]||[]).map(function(e){return e.toString()});var a=e.info.files||[e.info];t.files=a.map(function(e,r){var n=[].concat(e.name||t.name,e.path||[]).map(function(e){return e.toString()});return{path:i.join.apply(null,[i.sep].concat(n)).slice(1),name:n[n.length-1],length:e.length,offset:a.slice(0,r).reduce(f,0)}});t.length=a.reduce(f,0);var l=t.files[t.files.length-1];t.pieceLength=e.info["piece length"];t.lastPieceLength=(l.offset+l.length)%t.pieceLength||t.pieceLength;t.pieces=u(e.info.pieces);return t}function a(e){var 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: "+t)}}).call(this,e("buffer").Buffer)},{bencode:91,buffer:19,path:25,"simple-sha1":95}],91:[function(e,t,r){arguments[4][11][0].apply(r,arguments)},{"./lib/decode":92,"./lib/encode":94,dup:11}],92:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{"./dict":93,buffer:19,dup:12}],93:[function(e,t,r){arguments[4][13][0].apply(r,arguments)},{dup:13}],94:[function(e,t,r){arguments[4][14][0].apply(r,arguments)},{buffer:19,dup:14}],95:[function(e,t,r){arguments[4][69][0].apply(r,arguments)},{dup:69,rusha:96}],96:[function(e,t,r){arguments[4][70][0].apply(r,arguments)},{dup:70}],97:[function(e,t,r){t.exports=i;t.exports.filter=o;var n=e("events").EventEmitter;function i(e,t,r){if(!Array.isArray(r))r=[r];var n=[];r.forEach(function(r){var i=function(){var e=[].slice.call(arguments);e.unshift(r);t.emit.apply(t,e)};n.push(i);e.on(r,i)});return function i(){r.forEach(function(t,r){e.removeListener(t,n[r])})}}function o(e,t){var r=new n;i(e,r,t);return r}},{events:23}],98:[function(e,t,r){arguments[4][65][0].apply(r,arguments)},{dezalgo:99,dup:65}],99:[function(e,t,r){arguments[4][66][0].apply(r,arguments)},{asap:100,dup:66,wrappy:101}],100:[function(e,t,r){arguments[4][67][0].apply(r,arguments)},{_process:26,dup:67}],101:[function(e,t,r){arguments[4][61][0].apply(r,arguments)},{dup:61}],102:[function(e,t,r){arguments[4][69][0].apply(r,arguments)},{dup:69,rusha:103}],103:[function(e,t,r){arguments[4][70][0].apply(r,arguments)},{dup:70}],104:[function(e,t,r){var n=1;var i=65535;var o=4;var s=function(){n=n+1&i};var a=setInterval(s,1e3/o|0);if(a.unref)a.unref();t.exports=function(e){var t=o*(e||5);var r=[0];var s=1;var a=n-1&i;return function(e){var f=n-a&i;if(f>t)f=t;a=n;while(f--){if(s===t)s=0;r[s]=r[s===0?t-1:s-1];s++}if(e)r[s-1]+=e;var u=r[s-1];var c=r.length<t?0:r[s===t?0:s];return r.length<o?u:(u-c)*o/r.length}}},{}],105:[function(e,t,r){(function(r){t.exports=c;var n=e("debug")("torrent-discovery");var i=e("bittorrent-dht/client");var o=e("events").EventEmitter;var s=e("xtend/mutable");var a=e("inherits");var f=e("re-emitter");var u=e("bittorrent-tracker/client");a(c,o);function c(e){var t=this;if(!(t instanceof c))return new c(e);o.call(t);s(t,{announce:[],dht:typeof i==="function",rtcConfig:null,peerId:null,port:0,tracker:true,wrtc:null},e);t._externalDHT=typeof t.dht==="object";t._performedDHTLookup=false;if(!t.peerId)throw new Error("peerId required");if(!r.browser&&!t.port)throw new Error("port required");if(t.dht)t._createDHT(t.dhtPort)}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};var r={rtcConfig:e.rtcConfig,wrtc:e.wrtc};e.tracker=new u(e.peerId,e.port,t,r);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:26,"bittorrent-dht/client":18,"bittorrent-tracker/client":106,debug:138,events:23,inherits:141,"re-emitter":142,"xtend/mutable":143}],106:[function(e,t,r){(function(r){t.exports=h;var n=e("debug")("bittorrent-tracker");var i=e("events").EventEmitter;var o=e("inherits");var s=e("once");var a=e("url");var f=e("./lib/common");var u=e("./lib/http-tracker");var c=e("./lib/udp-tracker");var l=e("./lib/websocket-tracker");o(h,i);function h(e,t,o,s){var d=this;if(!(d instanceof h))return new h(e,t,o,s);i.call(d);if(!s)s={};d._peerId=r.isBuffer(e)?e:new r(e,"hex");d._port=t;d._infoHash=r.isBuffer(o.infoHash)?o.infoHash:new r(o.infoHash,"hex");d.torrentLength=o.length;d._rtcConfig=s.rtcConfig;d._wrtc=s.wrtc;d._numWant=s.numWant||f.DEFAULT_ANNOUNCE_PEERS;d._intervalMs=s.interval||f.DEFAULT_ANNOUNCE_INTERVAL;n("new client %s",d._infoHash.toString("hex"));if(typeof o.announce==="string")o.announce=[o.announce];if(o.announce==null)o.announce=[];var p={interval:d._intervalMs};var g=!!d._wrtc||typeof window!=="undefined";d._trackers=o.announce.map(function(e){var t=a.parse(e).protocol;if((t==="http:"||t==="https:")&&typeof u==="function"){return new u(d,e,p)}else if(t==="udp:"&&typeof c==="function"){return new c(d,e,p)}else if((t==="ws:"||t==="wss:")&&g){return new l(d,e,p)}return null}).filter(Boolean)}h.scrape=function(e,t,n){n=s(n);var i=new r("01234567890123456789");var o=6881;var a={infoHash:Array.isArray(t)?t[0]:t,announce:[e]};var f=new h(i,o,a);f.once("error",n);var u=Array.isArray(t)?t.length:1;var c={};f.on("scrape",function(e){u-=1;c[e.infoHash]=e;if(u===0){f.destroy();var t=Object.keys(c);if(t.length===1){n(null,c[t[0]])}else{n(null,c)}}});t=Array.isArray(t)?t.map(function(e){return new r(e,"hex")}):new r(t,"hex");f.scrape({infoHash:t})};h.prototype.start=function(e){var t=this;n("send `start`");e=t._defaultAnnounceOpts(e);e.event="started";t._announce(e);t._trackers.forEach(function(e){e.setInterval(t._intervalMs)})};h.prototype.stop=function(e){var t=this;n("send `stop`");e=t._defaultAnnounceOpts(e);e.event="stopped";t._announce(e);t.destroy()};h.prototype.complete=function(e){var t=this;n("send `complete`");if(!e)e={};if(e.downloaded==null&&t.torrentLength!=null){e.downloaded=t.torrentLength}e=t._defaultAnnounceOpts(e);e.event="completed";t._announce(e)};h.prototype.update=function(e){var t=this;n("send `update`");e=t._defaultAnnounceOpts(e);if(e.event)delete e.event;t._announce(e)};h.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})};h.prototype.scrape=function(e){var t=this;n("send `scrape`");if(!e)e={};t._trackers.forEach(function(t){t.scrape(e)})};h.prototype.setInterval=function(e){var t=this;n("setInterval");t._intervalMs=e;t._trackers.forEach(function(t){t.setInterval(e)})};h.prototype.destroy=function(){var e=this;n("destroy");e._trackers.forEach(function(e){if(e.destroy)e.destroy();e.setInterval(0)})};h.prototype._defaultAnnounceOpts=function(e){var t=this;if(!e)e={};if(e.numWant==null)e.numWant=t._numWant;if(e.uploaded==null)e.uploaded=0;if(e.downloaded==null)e.downloaded=0;if(e.left==null&&t.torrentLength!=null){e.left=t.torrentLength-e.downloaded}return e}}).call(this,e("buffer").Buffer)},{"./lib/common":108,"./lib/http-tracker":18,"./lib/udp-tracker":18,"./lib/websocket-tracker":109,buffer:19,debug:110,events:23,inherits:114,once:116,url:44}],107:[function(e,t,r){(function(t){var n=e("querystring");r.IPV4_RE=/^[\d\.]+$/;r.IPV6_RE=/^[\da-fA-F:]+$/;r.CONNECTION_ID=t.concat([i(1047),i(655366528)]);r.ACTIONS={CONNECT:0,ANNOUNCE:1,SCRAPE:2,ERROR:3};r.EVENTS={update:0,completed:1,started:2,stopped:3};r.EVENT_IDS={0:"update",1:"completed",2:"started",3:"stopped"};r.EVENT_NAMES={update:"update",completed:"complete",started:"start",stopped:"stop"};function i(e){var r=new t(4);r.writeUInt32BE(e,0);return r}r.toUInt32=i;r.querystringParse=function(e){var t=n.unescape;n.unescape=unescape;var r=n.parse(e);n.unescape=t;return r};r.querystringStringify=function(e){var t=n.escape;n.escape=escape;var r=n.stringify(e);r=r.replace(/[\@\*\/\+]/g,function(e){return"%"+e.charCodeAt(0).toString(16).toUpperCase()});n.escape=t;return r}}).call(this,e("buffer").Buffer)},{buffer:19,querystring:30}],108:[function(e,t,r){(function(t){var n=e("xtend/mutable");r.DEFAULT_ANNOUNCE_INTERVAL=30*60*1e3;r.DEFAULT_ANNOUNCE_PEERS=50;r.MAX_ANNOUNCE_PEERS=82;r.binaryToHex=function(e){return new t(e,"binary").toString("hex")};r.hexToBinary=function(e){return new t(e,"hex").toString("binary")};var i=e("./common-node");n(r,i)}).call(this,e("buffer").Buffer)},{"./common-node":107,buffer:19,"xtend/mutable":137}],109:[function(e,t,r){t.exports=l;var n=e("debug")("bittorrent-tracker:websocket-tracker");var i=e("events").EventEmitter;var o=e("hat");var s=e("inherits");var a=e("simple-peer");var f=e("simple-websocket");var u=e("./common");var c={};s(l,i);function l(e,t,r){var o=this;i.call(o);n("new websocket tracker %s",t);o.client=e;o._opts=r;o._announceUrl=t;o._peers={};o._socket=null;o._intervalMs=o.client._intervalMs;o._interval=null;if(c[t])o._socket=c[t];else o._socket=c[t]=new f(t);o._socket.on("error",o._onSocketError.bind(o));o._socket.on("data",o._onSocketData.bind(o))}l.prototype.announce=function(e){var t=this;if(!t._socket.connected){return t._socket.on("connect",t.announce.bind(t,e))}e.info_hash=t.client._infoHash.toString("binary");e.peer_id=t.client._peerId.toString("binary");if(e.numWant>5)e.numWant=5;t._generateOffers(e.numWant,function(r){e.offers=r;if(t._trackerId){e.trackerid=t._trackerId}t._send(e)})};l.prototype.scrape=function(e){var t=this;t._onSocketError(new Error("scrape not supported "+t._announceUrl))};l.prototype.setInterval=function(e){var t=this;clearInterval(t._interval);t._intervalMs=e;if(e){var r=t.announce.bind(t,t.client._defaultAnnounceOpts());t._interval=setInterval(r,t._intervalMs)}};l.prototype._onSocketError=function(e){var t=this;t.client.emit("error",e)};l.prototype._onSocketData=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 t.client.emit("warning",new Error("Invalid tracker response"))}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 f;if(e.offer){f=new a({trickle:false,config:t.client._rtcConfig,wrtc:t.client._wrtc});f.id=u.binaryToHex(e.peer_id);f.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)});f.signal(e.offer);t.client.emit("peer",f)}if(e.answer){f=t._peers[u.binaryToHex(e.offer_id)];if(f){f.id=u.binaryToHex(e.peer_id);f.signal(e.answer);t.client.emit("peer",f)}else{n("got unexpected answer: "+JSON.stringify(e.answer))}}};l.prototype._send=function(e){var t=this;n("send %s",JSON.stringify(e));t._socket.send(e)};l.prototype._generateOffers=function(e,t){var r=this;var i=[];n("generating %s offers",e);for(var s=0;s<e;++s){f()}function f(){var e=o(160);var t=r._peers[e]=new a({initiator:true,trickle:false,config:r.client._rtcConfig,wrtc:r.client._wrtc});t.once("signal",function(t){i.push({offer:t,offer_id:u.hexToBinary(e)});c()})}function c(){if(i.length===e){n("generated %s offers",e);t(i)}}}},{"./common":108,debug:110,events:23,hat:113,inherits:114,"simple-peer":117,"simple-websocket":129}],110:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{"./debug":111,dup:71}],111:[function(e,t,r){arguments[4][72][0].apply(r,arguments)},{dup:72,ms:112}],112:[function(e,t,r){arguments[4][73][0].apply(r,arguments)},{dup:73}],113:[function(e,t,r){arguments[4][78][0].apply(r,arguments)},{dup:78}],114:[function(e,t,r){arguments[4][53][0].apply(r,arguments)},{dup:53}],115:[function(e,t,r){arguments[4][61][0].apply(r,arguments)},{dup:61}],116:[function(e,t,r){arguments[4][62][0].apply(r,arguments)},{dup:62,wrappy:115}],117:[function(e,t,r){(function(r){t.exports=l;var n=e("debug")("simple-peer");var i=e("xtend/mutable");var o=e("hat");var s=e("inherits");var a=e("is-typedarray");var f=e("once");var u=e("stream");var c=e("typedarray-to-buffer");s(l,u.Duplex);function l(e){var t=this;if(!(t instanceof l))return new l(e);if(!e)e={};i(t,{initiator:false,stream:false,config:l.config,constraints:l.constraints,channelName:e&&e.initiator?o(160):null,trickle:true,allowHalfOpen:false,highWaterMark:1024*1024},e);u.Duplex.call(t,e);var r=e.wrtc||h();if(!r&&typeof window==="undefined"){throw new Error("Missing WebRTC support - You must supply "+"`opts.wrtc` in this environment")}else if(!r){throw new Error("Missing WebRTC support - is this a supported browser?")}t._wrtc=r;t._debug("new peer (initiator: %s)",t.initiator);t.destroyed=false;t.connected=false;t.remoteAddress=undefined;t.remoteFamily=undefined;t.remotePort=undefined;t.localAddress=undefined;t.localPort=undefined;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._buffer=[];t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints);t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t);t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t);t._pc.onicecandidate=t._onIceCandidate.bind(t);if(t.stream)t._pc.addStream(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName)});t._pc.onnegotiationneeded=f(t._createOffer.bind(t));if(typeof window==="undefined"||!window.webkitRTCPeerConnection){t._pc.onnegotiationneeded()}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){setTimeout(function(){t._destroy()},100)}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}});t._interval=setInterval(function(){if(!t._cb||!t._channel||t._channel.bufferedAmount)return;t._debug("removing backpressure");var e=t._cb;t._cb=null;e()},150);if(t._interval.unref)t._interval.unref()}l.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};l.constraints={};Object.defineProperty(l.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});l.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};l.prototype.send=function(e,t){var r=this;if(!t)t=p;r._write(e,undefined,t)};l.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if(typeof e==="string"){try{e=JSON.parse(e)}catch(r){e={}}}t._debug("signal()");if(e.sdp){t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){if(t._pc.remoteDescription.type==="offer")t._createAnswer()},t._onError.bind(t))}if(e.candidate){try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e.candidate),p,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: "+r.message))}}if(!e.sdp&&!e.candidate){t._destroy(new Error("signal() called with invalid signal data"))}};l.prototype.destroy=function(e){var t=this;t._destroy(null,e)};l.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;clearInterval(r._interval);r._interval=null;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;r.readable=r.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();if(e)r.emit("error",e);r.emit("close")};l.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)};l.prototype._read=function(){};l.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.connected){i._debug("_write before ready: length %d",o);i._buffer.push(e);n(null);return}i._debug("_write: length %d",o);if(a.strict(e)||e instanceof ArrayBuffer||typeof e==="string"||typeof Blob!=="undefined"&&e instanceof Blob){i._channel.send(e)}else if(r.isBuffer(e)){i._channel.send(new Uint8Array(e))}else{i._channel.send(JSON.stringify(e))}if(i._channel.bufferedAmount){i._debug("applying backpressure (bufferedAmount %s)",i._channel.bufferedAmount);i._cb=n}else{n(null)}};l.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;d(t);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){e._debug("signal");e.emit("signal",e._pc.localDescription||t)};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.offerConstraints)};l.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;d(t);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){e._debug("signal");e.emit("signal",e._pc.localDescription||t)};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.answerConstraints)};l.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,r);e.emit("iceConnectionStateChange",t,r);if(r==="connected"||r==="completed"){e._pcReady=true;e._maybeReady()}if(r==="disconnected"||r==="closed"){e._destroy()}};l.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(e.connected||e._connecting||!e._pcReady||!e._channelReady)return;e._connecting=true;if(typeof window!=="undefined"&&!!window.mozRTCPeerConnection){e._pc.getStats(null,function(e){var r=[];e.forEach(function(e){r.push(e)});t(r)},e._onError.bind(e))}else{e._pc.getStats(function(e){var r=[];e.result().forEach(function(e){var t={};e.names().forEach(function(r){t[r]=e.stat(r)});t.id=e.id;t.type=e.type;t.timestamp=e.timestamp;r.push(t)});t(r)})}function t(t){t.forEach(function(t){if(t.type==="remotecandidate"){e.remoteAddress=t.ipAddress;e.remoteFamily="IPv4";e.remotePort=Number(t.portNumber);e._debug("connect remote: %s:%s (%s)",e.remoteAddress,e.remotePort,e.remoteFamily)}else if(t.type==="localcandidate"&&t.candidateType==="host"){e.localAddress=t.ipAddress;e.localPort=Number(t.portNumber);e._debug("connect local: %s:%s",e.localAddress,e.localPort)}});e._connecting=false;e.connected=true;e._buffer.forEach(function(t){e.send(t)});e._buffer=[];e._debug("connect");e.emit("connect")}};l.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e._debug("signalingStateChange %s",e._pc.signalingState);e.emit("signalingStateChange",e._pc.signalingState)};l.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")}};l.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=c(new Uint8Array(r));t.push(r)}else{try{r=JSON.parse(r)}catch(n){}t.emit("data",r)}};l.prototype._onChannelOpen=function(){var e=this;if(e.connected||e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};l.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e._destroy()};l.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};l.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t._destroy(e)};l.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 h(){if(typeof window==="undefined")return null;var e={RTCPeerConnection:window.mozRTCPeerConnection||window.RTCPeerConnection||window.webkitRTCPeerConnection,RTCSessionDescription:window.mozRTCSessionDescription||window.RTCSessionDescription||window.webkitRTCSessionDescription,RTCIceCandidate:window.mozRTCIceCandidate||window.RTCIceCandidate||window.webkitRTCIceCandidate};if(!e.RTCPeerConnection)return null;return e}function d(e){var t=e.sdp.split("b=AS:30");if(t.length>1)e.sdp=t[0]+"b=AS:1638400"+t[1]}function p(){}}).call(this,e("buffer").Buffer)},{buffer:19,debug:118,hat:121,inherits:122,"is-typedarray":123,once:125,stream:42,"typedarray-to-buffer":126,"xtend/mutable":128}],118:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{"./debug":119,dup:71}],119:[function(e,t,r){arguments[4][72][0].apply(r,arguments)},{dup:72,ms:120}],120:[function(e,t,r){arguments[4][73][0].apply(r,arguments)},{dup:73}],121:[function(e,t,r){arguments[4][78][0].apply(r,arguments)},{dup:78}],122:[function(e,t,r){arguments[4][53][0].apply(r,arguments)},{dup:53}],123:[function(e,t,r){arguments[4][56][0].apply(r,arguments)},{dup:56}],124:[function(e,t,r){arguments[4][61][0].apply(r,arguments)},{dup:61}],125:[function(e,t,r){arguments[4][62][0].apply(r,arguments)},{dup:62,wrappy:124}],126:[function(e,t,r){arguments[4][55][0].apply(r,arguments)},{buffer:19,dup:55,"is-typedarray":127}],127:[function(e,t,r){arguments[4][56][0].apply(r,arguments)},{dup:56}],128:[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}},{}],129:[function(e,t,r){(function(r){t.exports=c;var n=e("debug")("simple-websocket");var i=e("inherits");var o=e("is-typedarray");var s=e("stream");var a=e("typedarray-to-buffer");var f=e("ws");var u=typeof window!=="undefined"?window.WebSocket:f;i(c,s.Duplex);function c(e,t){var r=this;if(!(r instanceof c))return new c(e,t);if(!t)t={};n("new websocket: %s %o",e,t);t.allowHalfOpen=false;s.Duplex.call(r,t);r.url=e;r.connected=false;r.destroyed=false;r._buffer=[];r._ws=new u(r.url);r._ws.binaryType="arraybuffer";r._ws.onopen=r._onOpen.bind(r);r._ws.onmessage=r._onMessage.bind(r);r._ws.onclose=r._onClose.bind(r);r._ws.onerror=r._onError.bind(r);r.on("finish",function(){if(r.connected){r._destroy()}else{r.once("connect",function(){setTimeout(function(){r._destroy()},100)})}})}c.prototype.send=function(e,t){var r=this;if(!t)t=l;r._write(e,undefined,t)};c.prototype.destroy=function(e){var t=this;t._destroy(null,e)};c.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);n("destroy (error: %s)",e&&e.message);r.connected=false;r.destroyed=true;if(r._ws){try{r._ws.close()}catch(e){}r._ws.onopen=null;r._ws.onmessage=null;r._ws.onclose=null;r._ws.onerror=null}r._ws=null;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")};c.prototype._read=function(){};c.prototype._write=function(e,t,i){var s=this;if(s.destroyed)return i(new Error("cannot write after socket is destroyed"));var a=e.length||e.byteLength||e.size;if(!s.connected){n("_write before ready: length %d",a);s._buffer.push(e);i(null);return}n("_write: length %d",a);if(o.strict(e)||e instanceof ArrayBuffer||r.isBuffer(e)||typeof e==="string"||typeof Blob!=="undefined"&&e instanceof Blob){s._ws.send(e)}else{s._ws.send(JSON.stringify(e))}i(null)};c.prototype._onMessage=function(e){var t=this;if(t.destroyed)return;var i=e.data;n("on message: length %d",i.byteLength||i.length);if(i instanceof ArrayBuffer){i=a(new Uint8Array(i));t.push(i)}else if(r.isBuffer(i)){t.push(i)}else{try{i=JSON.parse(i)}catch(o){}t.emit("data",i)}};c.prototype._onOpen=function(){var e=this;if(e.connected||e.destroyed)return;e.connected=true;e._buffer.forEach(function(t){e.send(t)});e._buffer=[];n("connect");e.emit("connect")};c.prototype._onClose=function(){var e=this;if(e.destroyed)return;n("on close");e._destroy()};c.prototype._onError=function(){var e=this;if(e.destroyed)return;var t=new Error("connection error to "+e.url);n("error: %s",t.message||t);e._destroy(t)};function l(){}}).call(this,e("buffer").Buffer)},{buffer:19,debug:130,inherits:133,"is-typedarray":134,stream:42,"typedarray-to-buffer":135,ws:18}],130:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{"./debug":131,dup:71}],131:[function(e,t,r){arguments[4][72][0].apply(r,arguments)},{dup:72,ms:132}],132:[function(e,t,r){arguments[4][73][0].apply(r,arguments)},{dup:73}],133:[function(e,t,r){arguments[4][53][0].apply(r,arguments)},{dup:53}],134:[function(e,t,r){arguments[4][56][0].apply(r,arguments)},{dup:56}],135:[function(e,t,r){arguments[4][55][0].apply(r,arguments)},{buffer:19,dup:55,"is-typedarray":136}],136:[function(e,t,r){arguments[4][56][0].apply(r,arguments)},{dup:56}],137:[function(e,t,r){arguments[4][128][0].apply(r,arguments)},{dup:128}],138:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{"./debug":139,dup:71}],139:[function(e,t,r){arguments[4][72][0].apply(r,arguments)},{dup:72,ms:140}],140:[function(e,t,r){arguments[4][73][0].apply(r,arguments)},{dup:73}],141:[function(e,t,r){arguments[4][53][0].apply(r,arguments)},{dup:53}],142:[function(e,t,r){arguments[4][97][0].apply(r,arguments)},{dup:97,events:23}],143:[function(e,t,r){arguments[4][128][0].apply(r,arguments)},{dup:128}],144:[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:145,bitfield:149,buffer:19,events:23,inherits:150,"simple-sha1":151}],145:[function(e,t,r){arguments[4][11][0].apply(r,arguments)},{"./lib/decode":146,"./lib/encode":148,dup:11}],146:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{"./dict":147,buffer:19,dup:12}],147:[function(e,t,r){arguments[4][13][0].apply(r,arguments)},{dup:13}],148:[function(e,t,r){arguments[4][14][0].apply(r,arguments)},{buffer:19,dup:14}],149:[function(e,t,r){arguments[4][6][0].apply(r,arguments)},{buffer:19,dup:6}],150:[function(e,t,r){arguments[4][53][0].apply(r,arguments)},{dup:53}],151:[function(e,t,r){arguments[4][69][0].apply(r,arguments)},{dup:69,rusha:152}],152:[function(e,t,r){arguments[4][70][0].apply(r,arguments)},{dup:70}],153:[function(e,t,r){arguments[4][89][0].apply(r,arguments)},{dup:89}],154:[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+""}},{}],155:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.37.0",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,"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":"^3.0.0","block-stream":"0.0.7",clivas:"^0.2.0","create-torrent":"^3.4.0",debug:"^2.1.0",dezalgo:"^1.0.1","end-of-stream":"^1.0.0",hat:"0.0.3",inherits:"^2.0.1",inquirer:"^0.8.0","load-ip-set":"^1.0.3",mime:"^1.2.11",minimist:"^1.1.0",mkdirp:"^0.5.0",moment:"^2.8.3",multistream:"^1.4.2","network-address":"^1.0.0",once:"^1.3.1","parse-torrent":"^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":"^3.0.0",ut_metadata:"^2.1.0",ut_pex:"^1.0.1","windows-no-runnable":"0.0.6",xtend:"^4.0.0","zero-fill":"^2.2.0"},devDependencies:{"bittorrent-tracker":"^4.0.0",brfs:"^1.2.0",browserify:"^10.0.0","run-auto":"^1.0.0",standard:"^3.1.1",tape:"^4.0.0","uglify-js":"^2.4.15",zelda:"^2.0.0",zuul:"^3.0.0"},homepage:"http://webtorrent.io",keywords:["torrent","bittorrent","bittorrent client","streaming","download","webrtc","webrtc data","webtorrent","mad science"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3","chromecast-js":"^0.1.4",nodebmc:"0.0.5"},repository:{type:"git",url:"git://github.com/feross/webtorrent.git"},scripts:{build:"browserify -s WebTorrent -e ./ | uglifyjs -m > webtorrent.min.js","build-debug":"browserify -s WebTorrent -e ./ > webtorrent.debug.js",size:"npm run build && cat webtorrent.min.js | gzip | wc -c",test:"standard && node ./bin/test.js","test-browser":"zuul -- test/basic.js","test-browser-local":"zuul --local -- test/basic.js","test-node":"tape test/*.js"}}},{}],156:[function(e,t,r){(function(r,n,i){t.exports=b;var o=e("create-torrent");var s=e("debug")("webtorrent");var a=e("bittorrent-dht/client");var f=e("events").EventEmitter;var u=e("xtend");var c=e("hat");var l=e("inherits");var h=e("load-ip-set");var d=e("run-parallel");var p=e("parse-torrent");var g=e("speedometer");var v=e("zero-fill");var m=e("./lib/fs-storage");var y=e("./lib/storage");var _=e("./lib/torrent");l(b,f);var w=e("./package.json").version.match(/([0-9]+)/g).slice(0,2).map(v(2)).join("");function b(e){var t=this;if(!(t instanceof b))return new b(e);if(!e)e={};f.call(t);if(!s.enabled)t.setMaxListeners(0);t.destroyed=false;t.torrentPort=e.torrentPort||0;t.tracker=e.tracker!==undefined?e.tracker:true;t._rtcConfig=e.rtcConfig;t._wrtc=e.wrtc||n.WRTC;t.torrents=[];t.downloadSpeed=g();t.uploadSpeed=g();t.storage=typeof e.storage==="function"?e.storage:e.storage!==false&&typeof m==="function"?m:y;t.peerId=e.peerId===undefined?new i("-WW"+w+"-"+c(48),"utf8"):typeof e.peerId==="string"?new i(e.peerId,"hex"):e.peerId;t.peerIdHex=t.peerId.toString("hex");t.nodeId=e.nodeId===undefined?new i(c(160),"hex"):typeof e.nodeId==="string"?new i(e.nodeId,"hex"):e.nodeId;t.nodeIdHex=t.nodeId.toString("hex");if(e.dht!==false&&typeof a==="function"){t.dht=new a(u({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}s("new webtorrent (peerId %s, nodeId %s)",t.peerIdHex,t.nodeIdHex);if(typeof h==="function"){h(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;o()})}else r.nextTick(o);function o(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(b.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}});b.prototype.get=function(e){var t=this;var r=p(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};b.prototype.add=b.prototype.download=function(e,t,r){var n=this;if(n.destroyed)throw new Error("client is destroyed");s("add");if(typeof t==="function"){r=t;t={}}if(!t)t={};t.client=n;t.storage=t.storage||n.storage;var i=new _(e,t);n.torrents.push(i);function o(e){if(i.infoHash===e.infoHash){r(i);n.removeListener("torrent",o)}}if(r)n.on("torrent",o);i.on("error",function(e){n.emit("error",e,i)});i.on("listening",function(e){n.emit("listening",e,i)});i.on("ready",function(){s("torrent");n.emit("torrent",i)});return i};b.prototype.seed=function(e,t,r){var n=this;if(n.destroyed)throw new Error("client is destroyed");s("seed");if(typeof t==="function"){r=t;t={}}if(!t)t={};t.noVerify=true;
+o.parseInput(e,t,function(i,s){if(i)return n.emit("error",i);var a=s.map(function(e){return e.getStream});o(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)})}d(t,function(t){if(t)return n.emit("error",t);if(r)r(e);n.emit("seed",e)})})})})};b.prototype.remove=function(e,t){var r=this;var n=r.get(e);if(!n)throw new Error("No torrent with id "+e);s("remove");r.torrents.splice(r.torrents.indexOf(n),1);n.destroy(t)};b.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}};b.prototype.destroy=function(e){var t=this;t.destroyed=true;s("destroy");var r=t.torrents.map(function(e){return function(r){t.remove(e.infoHash,r)}});if(t.dht){r.push(function(e){t.dht.destroy(e)})}d(r,e)}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./lib/fs-storage":18,"./lib/storage":4,"./lib/torrent":5,"./package.json":155,_process:26,"bittorrent-dht/client":18,buffer:19,"create-torrent":47,debug:71,events:23,hat:78,inherits:79,"load-ip-set":18,"parse-torrent":84,"run-parallel":98,speedometer:104,xtend:153,"zero-fill":154}]},{},[156])(156)});