build

1 files changed, 8 insertions, 9 deletions

diff --git a/webtorrent.min.js b/webtorrent.min.js
index 13870ac..48df8fa 100644
--- a/webtorrent.min.js
+++ b/webtorrent.min.js
@@ -1,9 +1,8 @@
-(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){(function(e){t.exports=function(t,r){var n=[];t.on("data",function(e){n.push(e)});t.once("end",function(){if(r)r(null,e.concat(n));r=null});t.once("error",function(e){if(r)r(e);r=null})}}).call(this,e("buffer").Buffer)},{buffer:26}],2:[function(e,t,r){t.exports=s;var n=e("debug")("webtorrent:file-stream");var i=e("inherits");var o=e("readable-stream");i(s,o.Readable);function s(e,t){o.Readable.call(this,t);this.destroyed=false;this._torrent=e._torrent;var r=t&&t.start||0;var n=t&&t.end&&t.end<e.length?t.end:e.length-1;var i=e._torrent.pieceLength;this._startPiece=(r+e.offset)/i|0;this._endPiece=(n+e.offset)/i|0;this._piece=this._startPiece;this._offset=r+e.offset-this._startPiece*i;this._missing=n-r+1;this._reading=false;this._notifying=false;this._criticalLength=Math.min(1024*1024/i|0,2)}s.prototype._read=function(){if(this._reading)return;this._reading=true;this._notify()};s.prototype._notify=function(){var e=this;if(!e._reading||e._missing===0)return;if(!e._torrent.bitfield.get(e._piece)){return e._torrent.critical(e._piece,e._piece+e._criticalLength)}if(e._notifying)return;e._notifying=true;var t=e._piece;e._torrent.store.get(t,function(r,i){e._notifying=false;if(e.destroyed)return;if(r)return e.destroy(r);n("read %s (length %s) (err %s)",t,i.length,r&&r.message);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)});e._piece+=1};s.prototype.destroy=function(){if(this.destroyed)return;this.destroyed=true;if(!this._torrent.destroyed){this._torrent.deselect(this._startPiece,this._endPiece,true)}}},{debug:71,inherits:79,"readable-stream":109}],3:[function(e,t,r){(function(r){t.exports=d;var n=e("end-of-stream");var i=e("events").EventEmitter;var o=e("./file-stream");var s=e("inherits");var a=e("path");var f=e("render-media");var u=e("readable-stream");var c=e("stream-to-blob-url");var l=e("stream-with-known-length-to-buffer");s(d,i);function d(e,t){i.call(this);this._torrent=e;this.name=t.name;this.path=t.path;this.length=t.length;this.offset=t.offset;this.done=false;var r=t.offset;var n=r+t.length-1;this._startPiece=r/this._torrent.pieceLength|0;this._endPiece=n/this._torrent.pieceLength|0;if(this.length===0){this.done=true;this.emit("done")}}d.prototype.select=function(e){if(this.length===0)return;this._torrent.select(this._startPiece,this._endPiece,e)};d.prototype.deselect=function(){if(this.length===0)return;this._torrent.deselect(this._startPiece,this._endPiece,false)};d.prototype.createReadStream=function(e){var t=this;if(this.length===0){var i=new u.PassThrough;r.nextTick(function(){i.end()});return i}var s=new o(t,e);t._torrent.select(s._startPiece,s._endPiece,true,function(){s._notify()});n(s,function(){t._torrent.deselect(s._startPiece,s._endPiece,true)});return s};d.prototype.getBuffer=function(e){l(this.createReadStream(),this.length,e)};d.prototype.getBlobURL=function(e){if(typeof window==="undefined")throw new Error("browser-only method");var t=f.mime[a.extname(this.name).toLowerCase()];c(this.createReadStream(),t,e)};d.prototype.appendTo=function(e,t){if(typeof window==="undefined")throw new Error("browser-only method");f.append(this,e,t)};d.prototype.renderTo=function(e,t){if(typeof window==="undefined")throw new Error("browser-only method");f.render(this,e,t)}}).call(this,e("_process"))},{"./file-stream":2,_process:34,"end-of-stream":74,events:30,inherits:79,path:33,"readable-stream":109,"render-media":112,"stream-to-blob-url":142,"stream-with-known-length-to-buffer":145}],4:[function(e,t,r){t.exports=n;function n(e,t){var r=this;r.pieces=[];r.swarm=e;r.numPieces=t;function n(e){e.on("have",function(e){r.pieces[e]+=1});e.on("bitfield",function(){r.recalculate()});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;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}}},{}],5:[function(e,t,r){(function(r,n){t.exports=F;var i=e("addr-to-ip-port");var o=e("bitfield");var s=e("chunk-store-stream/write");var a=e("cpus");var f=e("create-torrent");var u=e("debug")("webtorrent:torrent");var c=e("torrent-discovery");var l=e("events").EventEmitter;var d=e("xtend/mutable");var h=e("fs-chunk-store");var p=e("immediate-chunk-store");var m=e("inherits");var v=e("multistream");var g=e("os");var y=e("run-parallel");var _=e("run-parallel-limit");var b=e("parse-torrent");var w=e("path");var E=e("path-exists");var k=e("torrent-piece");var x=e("pump");var S=e("random-iterate");var I=e("re-emitter");var B=e("simple-sha1");var A=e("bittorrent-swarm");var C=e("uniq");var T=e("ut_metadata");var L=e("ut_pex");var R=e("./file");var U=e("./rarity-map");var P=e("./server");var O=128*1024;var M=3e4;var j=5e3;var D=3*k.BLOCK_LENGTH;var H=.5;var N=1;var q=1e4;var z=2;var W=typeof E.sync==="function"?w.join(E.sync("/tmp")?"/tmp":g.tmpDir(),"webtorrent"):"/tmp/webtorrent";m(F,l);function F(e,t,r){l.call(this);if(!u.enabled)this.setMaxListeners(0);this.client=t;this._debugId=this.client.peerId.slice(32);this._debug("new torrent");this.announce=r.announce;this.urlList=r.urlList;this.path=r.path;this._store=r.store||h;this.strategy=r.strategy||"sequential";this._rechokeNumSlots=r.uploads===false||r.uploads===0?0:+r.uploads||10;this._rechokeOptimisticWire=null;this._rechokeOptimisticTime=0;this._rechokeIntervalId=null;this.ready=false;this.destroyed=false;this.metadata=null;this.store=null;this.numBlockedPeers=0;this.files=null;this.done=false;this._amInterested=false;this.pieces=[];this._selections=[];this._critical=[];this._servers=[];if(e!=null)this._onTorrentId(e)}Object.defineProperty(F.prototype,"timeRemaining",{get:function(){if(this.done)return 0;if(!this.swarm||this.swarm.downloadSpeed()===0)return Infinity;return(this.length-this.downloaded)/this.swarm.downloadSpeed()*1e3}});Object.defineProperty(F.prototype,"downloaded",{get:function(){if(!this.bitfield)return 0;var e=0;for(var t=0,r=this.pieces.length;t<r;++t){if(this.bitfield.get(t)){e+=t===r-1?this.lastPieceLength:this.pieceLength}else{var n=this.pieces[t];e+=n.length-n.missing}}return e}});Object.defineProperty(F.prototype,"received",{get:function(){return this.swarm?this.swarm.downloaded:0}});Object.defineProperty(F.prototype,"uploaded",{get:function(){return this.swarm?this.swarm.uploaded:0}});Object.defineProperty(F.prototype,"progress",{get:function(){return this.length?this.downloaded/this.length:0}});Object.defineProperty(F.prototype,"ratio",{get:function(){return this.uploaded/(this.downloaded||1)}});Object.defineProperty(F.prototype,"downloadSpeed",{get:function(){return this.swarm?this.swarm.downloadSpeed():0}});Object.defineProperty(F.prototype,"uploadSpeed",{get:function(){return this.swarm?this.swarm.uploadSpeed():0}});Object.defineProperty(F.prototype,"numPeers",{get:function(){return this.swarm?this.swarm.numPeers:0}});Object.defineProperty(F.prototype,"torrentFileBlobURL",{get:function(){if(typeof window==="undefined")throw new Error("browser-only property");if(!this.torrentFile)return null;return URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"}))}});F.prototype._onTorrentId=function(e){var t=this;if(t.destroyed)return;b.remote(e,function(e,r){if(t.destroyed)return;if(e)return t._onError(e);t._onParsedTorrent(r)})};F.prototype._onParsedTorrent=function(e){var t=this;if(t.destroyed)return;t._processParsedTorrent(e);if(!t.infoHash){return t._onError(new Error("Malformed torrent data: No info hash"))}if(!t.path)t.path=w.join(W,t.infoHash);t.swarm=new A(t.infoHash,t.client.peerId,{handshake:{dht:t.private?false:!!t.client.dht},maxConns:t.client.maxConns});t.swarm.on("error",t._onError.bind(t));t.swarm.on("wire",t._onWire.bind(t));t.swarm.on("download",function(e){t.client._downloadSpeed(e);t.client.emit("download",e);t.emit("download",e)});t.swarm.on("upload",function(e){t.client._uploadSpeed(e);t.client.emit("upload",e);t.emit("upload",e)});t.swarm.listen(t.client.torrentPort,t._onSwarmListening.bind(t));t.emit("infoHash",t.infoHash)};F.prototype._processParsedTorrent=function(e){if(this.announce){e.announce=e.announce.concat(this.announce)}if(this.client.tracker&&e.announce.length===0){e.announce=f.announceList.map(function(e){return e[0]})}if(this.client.tracker&&n.WEBTORRENT_ANNOUNCE){e.announce=e.announce.concat(n.WEBTORRENT_ANNOUNCE)}if(this.urlList){e.urlList=e.urlList.concat(this.urlList)}C(e.announce);C(e.urlList);d(this,e);this.magnetURI=b.toMagnetURI(e);this.torrentFile=b.toTorrentFile(e)};F.prototype._onSwarmListening=function(){var e=this;if(e.destroyed)return;if(e.swarm.server)e.client.torrentPort=e.swarm.address().port;e.discovery=new c({announce:e.announce,dht:e.private?false:e.client.dht,tracker:e.client.tracker,peerId:e.client.peerId,port:e.client.torrentPort,rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc});e.discovery.on("error",e._onError.bind(e));e.discovery.on("peer",e.addPeer.bind(e));I(e.discovery,e,["trackerAnnounce","dhtAnnounce","warning"]);if(e.info)e._onMetadata(e);else e.discovery.setTorrent(e.infoHash);e.emit("listening",e.client.torrentPort)};F.prototype._onMetadata=function(e){var t=this;if(t.metadata||t.destroyed)return;t._debug("got metadata");var r;if(e&&e.infoHash){r=e}else{try{r=b(e)}catch(n){return t._onError(n)}}t._processParsedTorrent(r);t.metadata=t.torrentFile;t.discovery.setTorrent(t);if(t.urlList)t.urlList.forEach(t.addWebSeed.bind(t));t.rarityMap=new U(t.swarm,t.pieces.length);t.store=new p(new t._store(t.pieceLength,{files:t.files.map(function(e){return{path:w.join(t.path,e.path),length:e.length,offset:e.offset}}),length:t.length}));t.files=t.files.map(function(e){return new R(t,e)});t._hashes=t.pieces;t.pieces=t.pieces.map(function(e,r){var n=r===t.pieces.length-1?t.lastPieceLength:t.pieceLength;return new k(n)});t._reservations=t.pieces.map(function(){return[]});t.bitfield=new o(t.pieces.length);t.swarm.wires.forEach(function(e){if(e.ut_metadata)e.ut_metadata.setMetadata(t.metadata);t._onWireWithMetadata(e)});t._debug("verifying existing torrent data");_(t.pieces.map(function(e,r){return function(e){t.store.get(r,function(n,i){if(n)return e(null);B(i,function(n){if(n===t._hashes[r]){if(!t.pieces[r])return;t._debug("piece verified %s",r);t.pieces[r]=null;t._reservations[r]=null;t.bitfield.set(r,true)}else{t._debug("piece invalid %s",r)}e(null)})})}}),a().length,function(e){if(e)return t._onError(e);t._debug("done verifying");t._onStore()});t.emit("metadata")};F.prototype._onStore=function(){var e=this;if(e.destroyed)return;e._debug("on store");e.select(0,e.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),q);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();e.ready=true;e.emit("ready");e._checkDone()};F.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t._debug("destroy");t.client.remove(t);if(t._rechokeIntervalId){clearInterval(t._rechokeIntervalId);t._rechokeIntervalId=null}var r=[];t._servers.forEach(function(e){r.push(function(t){e.destroy(t)})});if(t.swarm)r.push(function(e){t.swarm.destroy(e)});if(t.discovery)r.push(function(e){t.discovery.stop(e)});if(t.store)r.push(function(e){t.store.close(e)});y(r,e)};F.prototype.addPeer=function(e){var t=this;if(t.destroyed)throw new Error("torrent is destroyed");function r(){t.swarm.addPeer(e);t.emit("peer",e)}if(t.client.blocked){var n=typeof e==="string"?e:e.remoteAddress;if(n&&t.client.blocked.contains(i(n)[0])){t.numBlockedPeers+=1;t.emit("blockedPeer",e);return false}}if(t.swarm)r();else t.once("listening",r);return true};F.prototype.addWebSeed=function(e){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("add web seed %s",e);this.swarm.addWebSeed(e,this)};F.prototype.select=function(e,t,r,n){var i=this;if(i.destroyed)throw new Error("torrent is destroyed");if(e>t||e<0||t>=i.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;i._debug("select %s-%s (priority %s)",e,t,r);i._selections.push({from:e,to:t,offset:0,priority:r,notify:n||$});i._selections.sort(function(e,t){return t.priority-e.priority});i._updateSelections()};F.prototype.deselect=function(e,t,r){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");r=Number(r)||0;n._debug("deselect %s-%s (priority %s)",e,t,r);for(var i=0;i<n._selections.length;++i){var o=n._selections[i];if(o.from===e&&o.to===t&&o.priority===r){n._selections.splice(i--,1);break}}n._updateSelections()};F.prototype.critical=function(e,t){var r=this;if(r.destroyed)throw new Error("torrent is destroyed");r._debug("critical %s-%s",e,t);for(var n=e;n<=t;++n){r._critical[n]=true}r._updateSelections()};F.prototype._onWire=function(e,t){var n=this;n._debug("got wire %s (%s)",e._debugId,t||"Unknown");if(t){var o=i(t);e.remoteAddress=o[0];e.remotePort=o[1]}if(n.client.dht&&n.client.dht.listening){e.on("port",function(r){if(n.destroyed||n.client.dht.destroyed){return}if(!e.remoteAddress){return n._debug("ignoring PORT from peer with no address")}if(r===0||r>65536){return n._debug("ignoring invalid PORT from peer")}n._debug("port: %s (from %s)",r,t);n.client.dht.addNode({host:e.remoteAddress,port:r})})}e.on("timeout",function(){n._debug("wire timeout (%s)",t);e.destroy()});e.setTimeout(M,true);e.setKeepAlive(true);e.use(T(n.metadata));e.ut_metadata.on("warning",function(e){n._debug("ut_metadata warning: %s",e.message)});if(!n.metadata){e.ut_metadata.on("metadata",function(e){n._debug("got metadata via ut_metadata");n._onMetadata(e)});e.ut_metadata.fetch()}if(typeof L==="function"&&!n.private){e.use(L());e.ut_pex.on("peer",function(e){n._debug("ut_pex: got peer: %s (from %s)",e,t);n.addPeer(e)});e.ut_pex.on("dropped",function(e){var r=n.swarm._peers[e];if(r&&!r.connected){n._debug("ut_pex: dropped peer: %s (from %s)",e,t);n.swarm.removePeer(e)}})}n.emit("wire",e,t);if(n.metadata){r.nextTick(function(){n._onWireWithMetadata(e)})}};F.prototype._onWireWithMetadata=function(e){var t=this;var r=null;function n(){if(t.destroyed||e.destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(n,j);if(r.unref)r.unref()}}var i=0;function o(){if(e.peerPieces.length!==t.pieces.length)return;for(;i<t.pieces.length;++i){if(!e.peerPieces.get(i))return}e.isSeeder=true;e.choke()}e.on("bitfield",function(){o();t._update()});e.on("have",function(){o();t._update()});e.once("interested",function(){e.unchoke()});e.on("close",function(){clearTimeout(r)});e.on("choke",function(){clearTimeout(r);r=setTimeout(n,j);if(r.unref)r.unref()});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,n,i,o){if(i>O){return e.destroy()}if(t.pieces[r])return;t.store.get(r,{offset:n,length:i},o)});e.bitfield(t.bitfield);e.interested();if(e.peerExtensions.dht&&t.client.dht&&t.client.dht.listening){e.port(t.client.dht.address().port)}r=setTimeout(n,j);if(r.unref)r.unref();e.isSeeder=false;o()};F.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()};F.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.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.bitfield.get(r.from+r.offset))continue;e._selections.splice(t--,1);r.notify();e._updateInterest()}if(!e._selections.length)e.emit("idle")};F.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")};F.prototype._update=function(){var e=this;if(e.destroyed)return;var t=S(e.swarm.wires);var r;while(r=t()){e._updateWire(r)}};F.prototype._updateWire=function(e){var t=this;if(e.peerChoking)return;if(!e.downloaded)return o();var r=Y(e,H);if(e.requests.length>=r)return;var n=Y(e,N);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;var r=t._selections.length;while(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>D)return function(){return true};var n=Math.max(1,e.requests.length)*k.BLOCK_LENGTH/r;var i=10;var o=0;return function(e){if(!i||t.bitfield.get(e))return true;var s=t.pieces[e].missing;for(;o<t.swarm.wires.length;o++){var a=t.swarm.wires[o];var f=a.downloadSpeed();if(f<D)continue;if(f<=r)continue;if(!a.peerPieces.get(e))continue;if((s-=f*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 d=u.to;var h=d-l+1;var p={};var m=0;var v=i(l,d,p,o);while(m<h){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;m++;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}};F.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[V(i.length)];if(o){o.isChoked=false;e._rechokeOptimisticWire=o.wire;e._rechokeOptimisticTime=z}}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}};F.prototype._hotswap=function(e,t){var r=this;var n=e.downloadSpeed();if(n<k.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>=D)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.pieces[t].cancel(c.offset/k.BLOCK_SIZE|0)}r.emit("hotswap",s,e,t);return true};F.prototype._request=function(e,t,n){var i=this;var o=e.requests.length;if(i.bitfield.get(t))return false;var s=Y(e,N);if(o>=s)return false;var a=i.pieces[t];var f=a.reserve();if(f===-1&&n&&i._hotswap(e,t)){f=a.reserve()}if(f===-1)return false;var u=i._reservations[t];if(!u)u=i._reservations[t]=[];var c=u.indexOf(null);if(c===-1)c=u.length;u[c]=e;var l=a.chunkOffset(f);var d=a.chunkLength(f);e.request(t,l,d,function p(r,n){if(!i.ready)return i.once("ready",function(){p(r,n)});if(u[c]===e)u[c]=null;if(a!==i.pieces[t])return h();if(r){i._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,l,d,e.remoteAddress+":"+e.remotePort,r.message);a.cancel(f);h();return}i._debug("got piece %s (offset: %s length: %s) from %s",t,l,d,e.remoteAddress+":"+e.remotePort);if(!a.set(f,n,e))return h();var o=a.flush();B(o,function(e){if(e===i._hashes[t]){if(!i.pieces[t])return;i._debug("piece verified %s",t);i.pieces[t]=null;i._reservations[t]=null;i.bitfield.set(t,true);i.store.put(t,o);i.swarm.wires.forEach(function(e){e.have(t)});i._checkDone()}else{i.pieces[t]=new k(a.length);i.emit("warning",new Error("Piece "+t+" failed verification"))}h()})});function h(){r.nextTick(function(){i._update()})}return true};F.prototype._checkDone=function(){var e=this;if(e.destroyed)return;e.files.forEach(function(t){if(t.done)return;for(var r=t._startPiece;r<=t._endPiece;++r){if(!e.bitfield.get(r))return}t.done=true;t.emit("done");e._debug("file done: "+t.name)});var t=true;for(var r=0;r<e._selections.length;r++){var n=e._selections[r];for(var i=n.from;i<=n.to;i++){if(!e.bitfield.get(i)){t=false;break}}if(!t)break}if(!e.done&&t){e.done=true;e.emit("done");e._debug("torrent done: "+e.infoHash);if(e.discovery.tracker)e.discovery.tracker.complete()}e._gcSelections()};F.prototype.load=function(e,t){var r=this;if(r.destroyed)throw new Error("torrent is destroyed");if(!r.ready)return r.once("ready",function(){r.load(e,t)});if(!Array.isArray(e))e=[e];if(!t)t=$;var n=new v(e);var i=new s(r.store,r.pieceLength);x(n,i,function(e){if(e)return t(e);r.pieces.forEach(function(e,t){r.pieces[t]=null;r._reservations[t]=null;r.bitfield.set(t,true)});r._checkDone();t(null)})};F.prototype.createServer=function(e){if(typeof P!=="function")throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");var t=new P(this,e);this._servers.push(t);return t};F.prototype.pause=function(){if(this.destroyed)return;this.swarm.pause()};F.prototype.resume=function(){if(this.destroyed)return;this.swarm.resume()};F.prototype._onError=function(e){var t=this;t._debug("torrent error: %s",e.message||e);t.emit("error",e);t.destroy()};F.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0];u.apply(null,e)};function Y(e,t){return Math.ceil(2+t*e.downloadSpeed()/k.BLOCK_LENGTH)}function V(e){return Math.random()*e|0}function $(){}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./file":3,"./rarity-map":4,"./server":25,_process:34,"addr-to-ip-port":6,bitfield:7,"bittorrent-swarm":8,"chunk-store-stream/write":52,cpus:53,"create-torrent":54,debug:71,events:30,"fs-chunk-store":80,"immediate-chunk-store":78,inherits:79,multistream:81,os:25,"parse-torrent":82,path:33,"path-exists":25,pump:92,"random-iterate":95,"re-emitter":96,"run-parallel":130,"run-parallel-limit":129,"simple-sha1":139,"torrent-discovery":148,"torrent-piece":149,uniq:150,ut_metadata:151,ut_pex:25,"xtend/mutable":157}],6:[function(e,t,r){var n=/^\[?([^\]]+)\]?:(\d+)$/;var i={};var o=0;t.exports=function s(e){if(o===1e5)t.exports.reset();if(!i[e]){var r=n.exec(e);if(!r)throw new Error("invalid addr: "+e);i[e]=[r[1],Number(r[2])];o+=1}return i[e]};t.exports.reset=function a(){i={};o=0}},{}],7:[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._isBuffer)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:26}],8:[function(e,t,r){(function(r,n){t.exports=p;var i=e("addr-to-ip-port");var o=e("debug")("bittorrent-swarm");var s=e("events").EventEmitter;var a=e("inherits");var f=e("net");var u=e("speedometer");var c=e("./lib/peer");var l=e("./lib/tcp-pool");var d=55;var h=[1e3,5e3,15e3];a(p,s);function p(e,t,r){var i=this;if(!(i instanceof p))return new p(e,t,r);s.call(i);i.infoHash=typeof e==="string"?e:e.toString("hex");i.infoHashBuffer=new n(i.infoHash,"hex");i.peerId=typeof t==="string"?t:t.toString("hex");i.peerIdBuffer=new n(i.peerId,"hex");if(!r)r={};o("new swarm (i %s p %s)",i.infoHash,i.peerId);i.handshakeOpts=r.handshake;i.maxConns=Number(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=u();i.uploadSpeed=u()}Object.defineProperty(p.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}});Object.defineProperty(p.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}});Object.defineProperty(p.prototype,"numConns",{get:function(){var e=this;var t=0;for(var r in e._peers){var n=e._peers[r];if(n&&n.connected)t+=1}return t}});Object.defineProperty(p.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}});p.prototype.addPeer=function(e){var t=this;t._addPeer(e)};p.prototype._addPeer=function(e){var t=this;if(t.destroyed){if(e&&e.destroy)e.destroy(new Error("swarm already destroyed"));return null}if(typeof e==="string"&&!t._validAddr(e)){o("ignoring invalid peer %s (from swarm.addPeer)",e);return null}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)}else{if(t.paused){e.destroy(new Error("swarm paused"));return null}n=c.createWebRTCPeer(e,t)}t._peers[n.id]=n;t._peersLength+=1;if(typeof e==="string"){t._queue.push(n);t._drain()}return n};p.prototype.addWebSeed=function(e,t){var r=this;if(r.destroyed)return;if(!/^https?:\/\/.+/.test(e)){o("ignoring invalid web seed %s (from swarm.addWebSeed)",e);return}if(r._peers[e])return;o("addWebSeed %s",e);var n=c.createWebPeer(e,t,r);r._peers[n.id]=n;r._peersLength+=1};p.prototype._addIncomingPeer=function(e){var t=this;if(t.destroyed)return e.destroy(new Error("swarm already destroyed"));if(t.paused)return e.destroy(new Error("swarm paused"));if(!t._validAddr(e.addr)){return e.destroy(new Error("invalid addr "+e.addr+" (from incoming)"))}o("_addIncomingPeer %s",e.id);t._peers[e.id]=e;t._peersLength+=1};p.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();t._drain()};p.prototype.pause=function(){var e=this;if(e.destroyed)return;o("pause");e.paused=true};p.prototype.resume=function(){var e=this;if(e.destroyed)return;o("resume");e.paused=false;e._drain()};p.prototype.listen=function(e,t,n){var i=this;if(typeof t==="function"){n=t;t=undefined}if(i.listening)throw new Error("swarm already listening");if(n)i.once("listening",n);if(typeof l==="function"){i._port=e||l.getDefaultListenPort(i.infoHash);i._hostname=t;o("listen %s",e);var s=l.addSwarm(i);i.server=s.server}else{r.nextTick(function(){i._onListening(0)})}};p.prototype._onListening=function(e){var t=this;t._port=e;t.listening=true;t.emit("listening")};p.prototype.address=function(){var e=this;if(!e.listening)return null;return e.server?e.server.address():{port:0,family:"IPv4",address:"127.0.0.1"}};p.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)}if(typeof l==="function"){l.removeSwarm(t,function(){t.emit("close")})}else{r.nextTick(function(){t.emit("close")})}};p.prototype._drain=function(){var e=this;o("_drain numConns %s maxConns %s",e.numConns,e.maxConns);if(typeof f.connect!=="function"||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={host:r[0],port:r[1]};if(e._hostname)n.localAddress=e._hostname;var s=t.conn=f.connect(n);s.once("connect",function(){t.onConnect()});s.once("error",function(e){t.destroy(e)});t.setConnectTimeout();s.on("close",function(){if(e.destroyed)return;if(t.retries>=h.length){o("conn %s closed: will not re-add (max %s attempts)",t.addr,h.length);return}var r=h[t.retries];o("conn %s closed: will re-add to queue in %sms (attempt %s)",t.addr,r,t.retries+1);var n=setTimeout(function i(){var r=e._addPeer(t.addr);if(r)r.retries=t.retries+1},r);if(n.unref)n.unref()})};p.prototype._onError=function(e){var t=this;t.emit("error",e);t.destroy()};p.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":9,"./lib/tcp-pool":25,_process:34,"addr-to-ip-port":25,buffer:26,debug:71,events:30,inherits:79,net:25,speedometer:141}],9:[function(e,t,r){var n=e("debug")("bittorrent-swarm:peer");var i=e("./webconn");var o=e("bittorrent-protocol");var s=25e3;var a=25e3;r.createWebRTCPeer=function(e,t){var r=new f(e.id);r.conn=e;r.swarm=t;if(r.conn.connected){r.onConnect()}else{r.conn.once("connect",function(){r.onConnect()});r.conn.once("error",function(e){r.destroy(e)});r.setConnectTimeout()}return r};r.createIncomingTCPPeer=function(e){var t=e.remoteAddress+":"+e.remotePort;var r=new f(t);r.conn=e;r.addr=t;r.onConnect();return r};r.createOutgoingTCPPeer=function(e,t){var r=new f(e);r.addr=e;r.swarm=t;return r};r.createWebPeer=function(e,t,r){var n=new f(e);n.swarm=r;n.conn=new i(e,t);n.onConnect();return n};function f(e){var t=this;t.id=e;n("new Peer %s",e);t.addr=null;t.conn=null;t.swarm=null;t.wire=null;t.connected=false;t.destroyed=false;t.timeout=null;t.retries=0;t.sentHandshake=false}f.prototype.onConnect=function(){var e=this;if(e.destroyed)return;e.connected=true;n("Peer %s connected",e.id);clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()});t.once("close",function(){e.destroy();
-});t.once("finish",function(){e.destroy()});t.once("error",function(t){e.destroy(t)});var r=e.wire=new o;r.once("end",function(){e.destroy()});r.once("close",function(){e.destroy()});r.once("finish",function(){e.destroy()});r.once("error",function(t){e.destroy(t)});r.once("handshake",function(t,r){e.onHandshake(t,r)});e.setHandshakeTimeout();t.pipe(r).pipe(t);if(e.swarm&&!e.sentHandshake)e.handshake()};f.prototype.onHandshake=function(e,t){var r=this;if(!r.swarm)return;if(r.swarm.destroyed)return r.destroy(new Error("swarm already destroyed"));if(e!==r.swarm.infoHash){return r.destroy(new Error("unexpected handshake info hash for this swarm"))}if(t===r.swarm.peerId){return r.destroy(new Error("refusing to handshake with self"))}n("Peer %s got handshake %s",r.id,e);clearTimeout(r.handshakeTimeout);r.retries=0;r.wire.on("download",function(e){if(r.destroyed)return;r.swarm.downloaded+=e;r.swarm.downloadSpeed(e);r.swarm.emit("download",e)});r.wire.on("upload",function(e){if(r.destroyed)return;r.swarm.uploaded+=e;r.swarm.uploadSpeed(e);r.swarm.emit("upload",e)});r.swarm.wires.push(r.wire);var i=r.addr;if(!i&&r.conn.remoteAddress){i=r.conn.remoteAddress+":"+r.conn.remotePort}r.swarm.emit("wire",r.wire,i);if(!r.swarm||r.swarm.destroyed)return;if(!r.sentHandshake)r.handshake()};f.prototype.handshake=function(){var e=this;e.wire.handshake(e.swarm.infoHash,e.swarm.peerId,e.swarm.handshakeOpts);e.sentHandshake=true};f.prototype.setConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout);e.connectTimeout=setTimeout(function(){e.destroy(new Error("connect timeout"))},s);if(e.connectTimeout.unref)e.connectTimeout.unref()};f.prototype.setHandshakeTimeout=function(){var e=this;clearTimeout(e.handshakeTimeout);e.handshakeTimeout=setTimeout(function(){e.destroy(new Error("handshake timeout"))},a);if(e.handshakeTimeout.unref)e.handshakeTimeout.unref()};f.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.connected=false;n("destroy %s (error: %s)",t.id,e&&(e.message||e));clearTimeout(t.connectTimeout);clearTimeout(t.handshakeTimeout);var r=t.swarm;var i=t.conn;var o=t.wire;t.conn=null;t.swarm=null;t.wire=null;if(r&&o){var s=r.wires.indexOf(o);if(s>=0)r.wires.splice(s,1)}if(i)i.destroy();if(o)o.destroy();if(r)r.removePeer(t.id)}},{"./webconn":10,"bittorrent-protocol":11,debug:71}],10:[function(e,t,r){t.exports=u;var n=e("bitfield");var i=e("debug")("bittorrent-swarm:webconn");var o=e("simple-get");var s=e("inherits");var a=e("simple-sha1");var f=e("bittorrent-protocol");s(u,f);function u(e,t){var r=this;f.call(this);r.url=e;r.webPeerId=a.sync(e);r.parsedTorrent=t;r.setKeepAlive(true);r.on("handshake",function(e,t){r.handshake(e,r.webPeerId);var i=r.parsedTorrent.pieces.length;var o=new n(i);for(var s=0;s<=i;s++){o.set(s,true)}r.bitfield(o)});r.on("choke",function(){i("choke")});r.on("unchoke",function(){i("unchoke")});r.once("interested",function(){i("interested");r.unchoke()});r.on("uninterested",function(){i("uninterested")});r.on("bitfield",function(){i("bitfield")});r.on("request",function(e,t,n,o){i("request pieceIndex=%d offset=%d length=%d",e,t,n);r.httpRequest(e,t,n,o)})}u.prototype.httpRequest=function(e,t,r,n){var s=this;var a=e*s.parsedTorrent.pieceLength;var f=a+t;var u=f+r-1;i("Requesting pieceIndex=%d offset=%d length=%d start=%d end=%d",e,t,r,f,u);var c={url:s.url,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+f+"-"+u}};o.concat(c,function(e,t,r){if(e)return n(e);if(r.statusCode<200||r.statusCode>=300){return n(new Error("Unexpected HTTP status code "+r.statusCode))}i("Got data of length %d",t.length);n(null,t)})}},{bitfield:7,"bittorrent-protocol":11,debug:71,inherits:79,"simple-get":131,"simple-sha1":139}],11:[function(e,t,r){(function(r){t.exports=w;var n=e("bencode");var i=e("bitfield");var o=e("debug")("bittorrent-protocol");var s=e("xtend");var a=e("hat");var f=e("inherits");var u=e("speedometer");var c=e("stream");var l=4e5;var d=new r("BitTorrent protocol");var h=new r([0,0,0,0]);var p=new r([0,0,0,1,0]);var m=new r([0,0,0,1,1]);var v=new r([0,0,0,1,2]);var g=new r([0,0,0,1,3]);var y=[0,0,0,0,0,0,0,0];var _=[0,0,0,3,9,0,0];function b(e,t,r,n){this.piece=e;this.offset=t;this.length=r;this.callback=n}f(w,c.Duplex);function w(){if(!(this instanceof w))return new w;c.Duplex.call(this);this._debugId=a(32);this._debug("new wire");this.peerId=null;this.peerIdBuffer=null;this.amChoking=true;this.amInterested=false;this.peerChoking=true;this.peerInterested=false;this.peerPieces=new i(0,{grow:l});this.peerExtensions={};this.requests=[];this.peerRequests=[];this.extendedMapping={};this.peerExtendedMapping={};this.extendedHandshake={};this.peerExtendedHandshake={};this._ext={};this._nextExt=1;this.uploaded=0;this.downloaded=0;this.uploadSpeed=u();this.downloadSpeed=u();this._keepAliveInterval=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){this._debug("setKeepAlive %s",e);clearInterval(this._keepAliveInterval);if(e===false)return;this._keepAliveInterval=setInterval(this.keepAlive.bind(this),6e4)};w.prototype.setTimeout=function(e,t){this._debug("setTimeout ms=%d unref=%s",e,t);this._clearTimeout();this._timeoutMs=e;this._timeoutUnref=!!t;this._updateTimeout()};w.prototype.destroy=function(){if(this.destroyed)return;this.destroyed=true;this._debug("destroy");this.emit("close");this.end()};w.prototype.end=function(){this._debug("end");this._onUninterested();this._onChoke();c.Duplex.prototype.end.apply(this,arguments)};w.prototype.use=function(e){var t=e.prototype.name;if(!t){throw new Error('Extension class requires a "name" property on the prototype')}this._debug("use extension.name=%s",t);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.keepAlive=function(){this._debug("keep-alive");this._push(h)};w.prototype.handshake=function(e,t,n){var i,o;if(typeof e==="string"){i=new r(e,"hex")}else{i=e;e=i.toString("hex")}if(typeof t==="string"){o=new r(t,"hex")}else{o=t;t=o.toString("hex")}if(i.length!==20||o.length!==20){throw new Error("infoHash and peerId MUST have length 20")}this._debug("handshake i=%s p=%s exts=%o",e,t,n);var s=new r(y);s[5]|=16;if(n&&n.dht)s[7]|=1;this._push(r.concat([d,s,i,o]));this._handshakeSent=true;if(this.peerExtensions.extended&&!this._extendedHandshakeSent){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,n.encode(e));this._extendedHandshakeSent=true};w.prototype.choke=function(){if(this.amChoking)return;this.amChoking=true;this._debug("choke");this.peerRequests.splice(0,this.peerRequests.length);this._push(p)};w.prototype.unchoke=function(){if(!this.amChoking)return;this.amChoking=false;this._debug("unchoke");this._push(m)};w.prototype.interested=function(){if(this.amInterested)return;this.amInterested=true;this._debug("interested");this._push(v)};w.prototype.uninterested=function(){if(!this.amInterested)return;this.amInterested=false;this._debug("uninterested");this._push(g)};w.prototype.have=function(e){this._debug("have %d",e);this._message(4,[e],null)};w.prototype.bitfield=function(e){this._debug("bitfield");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._debug("request index=%d offset=%d length=%d",e,t,r);this.requests.push(new b(e,t,r,n));this._updateTimeout();this._message(6,[e,t,r],null)};w.prototype.piece=function(e,t,r){this._debug("piece index=%d offset=%d",e,t);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._debug("cancel index=%d offset=%d length=%d",e,t,r);this._callback(E(this.requests,e,t,r),new Error("request was cancelled"),null);this._message(8,[e,t,r],null)};w.prototype.port=function(e){this._debug("port %d",e);var t=new r(_);t.writeUInt16BE(e,5);this._push(t)};w.prototype.extended=function(e,t){this._debug("extended ext=%s",e);if(typeof e==="string"&&this.peerExtendedMapping[e]){e=this.peerExtendedMapping[e]}if(typeof e==="number"){var i=new r([e]);var o=r.isBuffer(t)?t:n.encode(t);this._message(20,[],r.concat([i,o]))}else{throw new Error("Unrecognized extension: "+e)}};w.prototype._onKeepAlive=function(){this._debug("got keep-alive");this.emit("keep-alive")};w.prototype._onHandshake=function(e,t,r){var n=e.toString("hex");var i=t.toString("hex");this._debug("got handshake i=%s p=%s exts=%o",n,i,r);this.peerId=i;this.peerIdBuffer=t;this.peerExtensions=r;this.emit("handshake",n,i,r);var o;for(o in this._ext){this._ext[o].onHandshake(n,i,r)}if(r.extended&&this._handshakeSent&&!this._extendedHandshakeSent){this._sendExtendedHandshake()}};w.prototype._onChoke=function(){this.peerChoking=true;this._debug("got choke");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._debug("got unchoke");this.emit("unchoke")};w.prototype._onInterested=function(){this.peerInterested=true;this._debug("got interested");this.emit("interested")};w.prototype._onUninterested=function(){this.peerInterested=false;this._debug("got uninterested");this.emit("uninterested")};w.prototype._onHave=function(e){if(this.peerPieces.get(e))return;this._debug("got have %d",e);this.peerPieces.set(e,true);this.emit("have",e)};w.prototype._onBitField=function(e){this.peerPieces=new i(e);this._debug("got bitfield");this.emit("bitfield",this.peerPieces)};w.prototype._onRequest=function(e,t,r){if(this.amChoking)return;this._debug("got request index=%d offset=%d length=%d",e,t,r);var n=function(n,o){if(i!==E(this.peerRequests,e,t,r))return;if(n)return this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,r,n.message);this.piece(e,t,o)}.bind(this);var i=new b(e,t,r,n);this.peerRequests.push(i);this.emit("request",e,t,r,n)};w.prototype._onPiece=function(e,t,r){this._debug("got piece index=%d offset=%d",e,t);this._callback(E(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){this._debug("got cancel index=%d offset=%d length=%d",e,t,r);E(this.peerRequests,e,t,r);this.emit("cancel",e,t,r)};w.prototype._onPort=function(e){this._debug("got port %d",e);this.emit("port",e)};w.prototype._onExtended=function(e,t){if(e===0){var r;try{r=n.decode(t)}catch(i){this._debug("ignoring invalid extended handshake: %s",i.message||i)}if(!r)return;this.peerExtendedHandshake=r;var o;if(typeof r.m==="object"){for(o in r.m){this.peerExtendedMapping[o]=Number(r.m[o].toString())}}for(o in this._ext){if(this.peerExtendedMapping[o]){this._ext[o].onExtendedHandshake(this.peerExtendedHandshake)}}this._debug("got extended handshake");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._debug("got extended message ext=%s",e);this.emit("extended",e,t)}};w.prototype._onTimeout=function(){this._debug("request timed out");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:this._debug("got unknown message");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"){this._debug("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._keepAliveInterval);this._parse(Number.MAX_VALUE,function(){});this.peerRequests=[];while(this.requests.length){this._callback(this.requests.shift(),new Error("wire was closed"),null)}};w.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0];o.apply(null,e)};function E(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}}).call(this,e("buffer").Buffer)},{bencode:12,bitfield:7,buffer:26,debug:71,hat:77,inherits:79,speedometer:141,stream:39,xtend:156}],12:[function(e,t,r){t.exports={encode:e("./lib/encode"),decode:e("./lib/decode")}},{"./lib/decode":13,"./lib/encode":15}],13:[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":14,buffer:26}],14:[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}},{}],15:[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:26}],16:[function(e,t,r){(function(r,n){t.exports=m;var i=e("events").EventEmitter;var o=e("debug")("bittorrent-tracker");var s=e("inherits");var a=e("once");var f=e("run-parallel");var u=e("uniq");var c=e("url");var l=e("./lib/common");var d=e("./lib/client/http-tracker");var h=e("./lib/client/udp-tracker");var p=e("./lib/client/websocket-tracker");s(m,i);function m(e,t,s,a){var f=this;if(!(f instanceof m))return new m(e,t,s,a);i.call(f);if(!a)a={};f.peerId=typeof e==="string"?e:e.toString("hex");f.peerIdBuffer=new n(f.peerId,"hex");f._peerIdBinary=f.peerIdBuffer.toString("binary");f.infoHash=typeof s.infoHash==="string"?s.infoHash:s.infoHash.toString("hex");f.infoHashBuffer=new n(f.infoHash,"hex");f._infoHashBinary=f.infoHashBuffer.toString("binary");f.torrentLength=s.length;f.destroyed=false;f._port=t;f._rtcConfig=a.rtcConfig;f._wrtc=a.wrtc;o("new client %s",f.infoHash);var l=!!f._wrtc||typeof window!=="undefined";var v=typeof s.announce==="string"?[s.announce]:s.announce==null?[]:s.announce;v=v.map(function(e){e=e.toString();if(e[e.length-1]==="/"){e=e.substring(0,e.length-1)}return e});v=u(v);f._trackers=v.map(function(e){var t=c.parse(e).protocol;if((t==="http:"||t==="https:")&&typeof d==="function"){return new d(f,e)}else if(t==="udp:"&&typeof h==="function"){return new h(f,e)}else if((t==="ws:"||t==="wss:")&&l){return new p(f,e)}else{r.nextTick(function(){var t=new Error("unsupported tracker protocol for "+e);f.emit("warning",t)})}return null}).filter(Boolean)}m.scrape=function(e,t,r){r=a(r);var i=new n("01234567890123456789");var o=6881;var s={infoHash:Array.isArray(t)?t[0]:t,announce:[e]};var f=new m(i,o,s);f.once("error",r);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){r(null,c[t[0]])}else{r(null,c)}}});t=Array.isArray(t)?t.map(function(e){return new n(e,"hex")}):new n(t,"hex");f.scrape({infoHash:t})};m.prototype.start=function(e){var t=this;o("send `start`");e=t._defaultAnnounceOpts(e);e.event="started";t._announce(e);t._trackers.forEach(function(e){e.setInterval()})};m.prototype.stop=function(e){var t=this;o("send `stop`");e=t._defaultAnnounceOpts(e);e.event="stopped";t._announce(e)};m.prototype.complete=function(e){var t=this;o("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)};m.prototype.update=function(e){var t=this;o("send `update`");e=t._defaultAnnounceOpts(e);if(e.event)delete e.event;t._announce(e)};m.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})};m.prototype.scrape=function(e){var t=this;o("send `scrape`");if(!e)e={};t._trackers.forEach(function(t){t.scrape(e)})};m.prototype.setInterval=function(e){var t=this;o("setInterval %d",e);t._trackers.forEach(function(t){t.setInterval(e)})};m.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;o("destroy");var r=t._trackers.map(function(e){return function(t){e.destroy(t)}});f(r,e);t._trackers=[]};m.prototype._defaultAnnounceOpts=function(e){var t=this;if(!e)e={};if(e.numwant==null)e.numwant=l.DEFAULT_ANNOUNCE_PEERS;if(e.uploaded==null)e.uploaded=0;if(e.downloaded==null)e.downloaded=0;if(e.left==null&&t.torrentLength!=null){e.left=t.torrentLength-e.downloaded}return e}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/client/http-tracker":25,"./lib/client/udp-tracker":25,"./lib/client/websocket-tracker":18,"./lib/common":19,_process:34,buffer:26,debug:71,events:30,inherits:79,once:21,"run-parallel":130,uniq:150,url:46}],17:[function(e,t,r){t.exports=o;var n=e("events").EventEmitter;var i=e("inherits");i(o,n);function o(e,t){var r=this;n.call(r);r.client=e;r.announceUrl=t;r.interval=null;r.destroyed=false}o.prototype.setInterval=function(e){var t=this;if(e==null)e=t.DEFAULT_ANNOUNCE_INTERVAL;clearInterval(t.interval);if(e){var r=t.announce.bind(t,t.client._defaultAnnounceOpts());t.interval=setInterval(r,e);if(t.interval.unref)t.interval.unref()}}},{events:30,inherits:79}],18:[function(e,t,r){t.exports=p;var n=e("debug")("bittorrent-tracker:websocket-tracker");var i=e("hat");var o=e("inherits");var s=e("simple-peer");var a=e("simple-websocket");var f=e("../common");var u=e("./tracker");var c={};var l=30*1e3;var d=5*1e3;var h=50*1e3;o(p,u);function p(e,t,r){var i=this;u.call(i,e,t);n("new websocket tracker %s",t);i.peers={};i.socket=null;i.reconnecting=false;i._openSocket()}p.prototype.DEFAULT_ANNOUNCE_INTERVAL=30*1e3;p.prototype.announce=function(e){var t=this;if(t.destroyed||t.reconnecting)return;if(!t.socket.connected){return t.socket.once("connect",t.announce.bind(t,e))}var r=Math.min(e.numwant,10);t._generateOffers(r,function(n){var i={numwant:r,uploaded:e.uploaded||0,downloaded:e.downloaded,event:e.event,info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,offers:n};if(t._trackerId)i.trackerid=t._trackerId;t._send(i)})};p.prototype.scrape=function(e){var t=this;if(t.destroyed||t.reconnecting)return;t._onSocketError(new Error("scrape not supported "+t.announceUrl))};p.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;clearInterval(t.interval);c[t.announceUrl]=null;t.socket.removeListener("connect",t._onSocketConnectBound);t.socket.removeListener("data",t._onSocketDataBound);t.socket.removeListener("close",t._onSocketCloseBound);t.socket.removeListener("error",t._onSocketErrorBound);t._onSocketConnectBound=null;t._onSocketErrorBound=null;t._onSocketDataBound=null;t._onSocketCloseBound=null;t.socket.on("error",m);try{t.socket.destroy(e)}catch(r){if(e)e()}t.socket=null};p.prototype._openSocket=function(){var e=this;e.destroyed=false;e._onSocketConnectBound=e._onSocketConnect.bind(e);e._onSocketErrorBound=e._onSocketError.bind(e);e._onSocketDataBound=e._onSocketData.bind(e);e._onSocketCloseBound=e._onSocketClose.bind(e);e.socket=c[e.announceUrl];if(!e.socket){e.socket=c[e.announceUrl]=new a(e.announceUrl);e.socket.on("connect",e._onSocketConnectBound)}e.socket.on("data",e._onSocketDataBound);e.socket.on("close",e._onSocketCloseBound);e.socket.on("error",e._onSocketErrorBound)};p.prototype._onSocketConnect=function(){var e=this;if(e.destroyed)return;if(e.reconnecting){e.reconnecting=false;e.announce(e.client._defaultAnnounceOpts())}};p.prototype._onSocketData=function(e){var t=this;if(t.destroyed)return;if(!(typeof e==="object"&&e!==null)){return t.client.emit("warning",new Error("Invalid tracker response"))}if(e.info_hash!==t.client._infoHashBinary){n("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,f.binaryToHex(e.info_hash),t.client.infoHash);return}if(e.peer_id&&e.peer_id===t.client._peerIdBinary){return}n("received %s from %s for %s",JSON.stringify(e),t.announceUrl,t.client.infoHash);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.setInterval(o*1e3);var a=e["tracker id"];if(a){t._trackerId=a}if(e.complete){t.client.emit("update",{announce:t.announceUrl,complete:e.complete,incomplete:e.incomplete})}var u;if(e.offer&&e.peer_id){n("creating peer (from remote offer)");u=new s({trickle:false,config:t.client._rtcConfig,wrtc:t.client._wrtc});u.id=f.binaryToHex(e.peer_id);u.once("signal",function(r){var n={info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,to_peer_id:e.peer_id,answer:r,offer_id:e.offer_id};if(t._trackerId)n.trackerid=t._trackerId;t._send(n)});u.signal(e.offer);t.client.emit("peer",u)}if(e.answer&&e.peer_id){var c=f.binaryToHex(e.offer_id);u=t.peers[c];if(u){u.id=f.binaryToHex(e.peer_id);u.signal(e.answer);t.client.emit("peer",u);clearTimeout(u.trackerTimeout);u.trackerTimeout=null;t.peers[c]=null}else{n("got unexpected answer: "+JSON.stringify(e.answer))}}};p.prototype._onSocketClose=function(){var e=this;if(e.destroyed)return;e.destroy();e._startReconnectTimer()};p.prototype._onSocketError=function(e){var t=this;if(t.destroyed)return;t.destroy();t.client.emit("warning",e);t._startReconnectTimer()};p.prototype._startReconnectTimer=function(){var e=this;var t=Math.floor(Math.random()*l)+d;e.reconnecting=true;var r=setTimeout(function(){e._openSocket()},t);if(r.unref)r.unref();n("reconnecting socket in %s ms",t)};p.prototype._send=function(e){var t=this;if(t.destroyed)return;var r=JSON.stringify(e);n("send %s",r);t.socket.send(r)};p.prototype._generateOffers=function(e,t){var r=this;var o=[];n("generating %s offers",e);for(var a=0;a<e;++a){u()}function u(){var e=i(160);n("creating peer (from _generateOffers)");var t=r.peers[e]=new s({initiator:true,trickle:false,config:r.client._rtcConfig,wrtc:r.client._wrtc});t.once("signal",function(t){o.push({offer:t,offer_id:f.hexToBinary(e)});c()});t.trackerTimeout=setTimeout(function(){n("tracker timeout: destroying 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f(r.url);r._ws.binaryType="arraybuffer";r._ws.onopen=r._onOpen.bind(r);r._ws.onmessage=r._onMessage.bind(r);r._ws.onclose=r._onClose.bind(r);r._ws.onerror=function(){r._onError(new Error("connection error to "+r.url))};r.on("finish",function(){if(r.connected){setTimeout(function(){r._destroy()},100)}else{r.once("connect",function(){setTimeout(function(){r._destroy()},100)})}})}u.WEBSOCKET_SUPPORT=!!f;u.prototype.send=function(e){var t=this;if(!o.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}var i=e.length||e.byteLength||e.size;t._ws.send(e);n("write: %d bytes",i)};u.prototype.destroy=function(e){var t=this;t._destroy(null,e)};u.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);n("destroy (error: 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window!=="undefined"?window:{})},{"./lib/request":42,"builtin-status-codes":44,url:46,xtend:156}],41:[function(e,t,r){(function(e){r.fetch=a(e.fetch)&&a(e.ReadableByteStream);r.blobConstructor=false;try{new Blob([new ArrayBuffer(1)]);r.blobConstructor=true}catch(t){}var n=new e.XMLHttpRequest;n.open("GET",e.location.host?"/":"https://example.com");function i(e){try{n.responseType=e;return n.responseType===e}catch(t){}return false}var o=typeof e.ArrayBuffer!=="undefined";var s=o&&a(e.ArrayBuffer.prototype.slice);r.arraybuffer=o&&i("arraybuffer");r.msstream=!r.fetch&&s&&i("ms-stream");r.mozchunkedarraybuffer=!r.fetch&&o&&i("moz-chunked-arraybuffer");r.overrideMimeType=a(n.overrideMimeType);r.vbArray=a(e.VBArray);function a(e){return typeof e==="function"}n=null}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],42:[function(e,t,r){(function(r,n,i){var o=e("./capability");var s=e("inherits");var a=e("./response");var 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n=e.toLowerCase();if(m.indexOf(n)!==-1)return;r._headers[n]={name:e,value:t}};h.prototype.getHeader=function(e){var t=this;return t._headers[e.toLowerCase()].value};h.prototype.removeHeader=function(e){var t=this;delete t._headers[e.toLowerCase()]};h.prototype._onFinish=function(){var e=this;if(e._destroyed)return;var t=e._opts;var s=e._headers;var a;if(t.method==="POST"||t.method==="PUT"||t.method==="PATCH"){if(o.blobConstructor){a=new n.Blob(e._body.map(function(e){return u(e)}),{type:(s["content-type"]||{}).value||""})}else{a=i.concat(e._body).toString()}}if(e._mode==="fetch"){var f=Object.keys(s).map(function(e){return[s[e].name,s[e].value]});n.fetch(e._opts.url,{method:e._opts.method,headers:f,body:a,mode:"cors",credentials:t.withCredentials?"include":"same-origin"}).then(function(t){e._fetchResponse=t;e._connect()},function(t){e.emit("error",t)})}else{var c=e._xhr=new 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e=this;if(!p(e._xhr)||e._destroyed)return;if(!e._response)e._connect();e._response._onXHRProgress()};h.prototype._connect=function(){var e=this;if(e._destroyed)return;e._response=new c(e._xhr,e._fetchResponse,e._mode);e.emit("response",e._response)};h.prototype._write=function(e,t,r){var n=this;n._body.push(e);r()};h.prototype.abort=h.prototype.destroy=function(){var e=this;e._destroyed=true;if(e._response)e._response._destroyed=true;if(e._xhr)e._xhr.abort()};h.prototype.end=function(e,t,r){var n=this;if(typeof e==="function"){r=e;e=undefined}f.Writable.prototype.end.call(n,e,t,r)};h.prototype.flushHeaders=function(){};h.prototype.setTimeout=function(){};h.prototype.setNoDelay=function(){};h.prototype.setSocketKeepAlive=function(){};var 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vp8"'}[t]}}).call(this,e("_process"))},{"./lib/mime.json":113,_process:34,debug:71,"is-ascii":114,mediasource:115,path:33,"stream-to-blob-url":142,videostream:128}],113:[function(e,t,r){t.exports={".3gp":"video/3gpp",".aac":"audio/aac",".aif":"audio/x-aiff",".aiff":"audio/x-aiff",".atom":"application/atom+xml",".avi":"video/x-msvideo",".bmp":"image/bmp",".bz2":"application/x-bzip2",".conf":"text/plain",".css":"text/css",".csv":"text/csv",".diff":"text/x-diff",".doc":"application/msword",".flv":"video/x-flv",".gif":"image/gif",".gz":"application/x-gzip",".htm":"text/html",".html":"text/html",".ico":"image/vnd.microsoft.icon",".ics":"text/calendar",".iso":"application/octet-stream",".jar":"application/java-archive",".jpeg":"image/jpeg",".jpg":"image/jpeg",".js":"application/javascript",".json":"application/json",".less":"text/css",".log":"text/plain",".m3u":"audio/x-mpegurl",".m4a":"audio/mp4",".m4v":"video/mp4",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},{}],114:[function(e,t,r){var n=127;t.exports=function i(e){for(var t=0,r=e.length;t<r;++t){if(e.charCodeAt(t)>n)return false}return true}},{}],115:[function(e,t,r){t.exports=f;var n=e("inherits");var i=e("readable-stream");var o=e("to-arraybuffer");var s=typeof window!=="undefined"&&window.MediaSource;var a=60;function f(e,t){var r=this;if(!(r instanceof f))return new f(e,t);if(!s)throw new Error("web browser lacks MediaSource support");if(!t)t={};r._bufferDuration=t.bufferDuration||a;r._elem=e;r._mediaSource=new s;r._streams=[];r.detailedError=null;r._errorHandler=function(){r._elem.removeEventListener("error",r._errorHandler);var e=r._streams.slice();e.forEach(function(e){e.destroy(r._elem.error)})};r._elem.addEventListener("error",r._errorHandler);r._elem.src=window.URL.createObjectURL(r._mediaSource)}f.prototype.createWriteStream=function(e){var t=this;return new u(t,e)};f.prototype.error=function(e){var t=this;if(!t.detailedError){t.detailedError=e}try{t._mediaSource.endOfStream("decode")}catch(e){}};n(u,i.Writable);function u(e,t){var r=this;i.Writable.call(r);r._wrapper=e;r._elem=e._elem;r._mediaSource=e._mediaSource;r._allStreams=e._streams;r._allStreams.push(r);r._bufferDuration=e._bufferDuration;r._openHandler=r._onSourceOpen.bind(r,t);r._flowHandler=r._flow.bind(r);if(typeof t==="string"){if(r._mediaSource.readyState==="open"){r._createSourceBuffer(t)}else{r._mediaSource.addEventListener("sourceopen",r._openHandler)}}else if(t._sourceBuffer){t.destroy();r._sourceBuffer=t._sourceBuffer;r._sourceBuffer.addEventListener("updateend",r._flowHandler)}else{throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function")}r._elem.addEventListener("timeupdate",r._flowHandler);r.on("error",r._wrapper.error.bind(r._wrapper));r.on("finish",function(){if(r.destroyed)return;r._finished=true;if(r._allStreams.every(function(e){return e._finished})){try{r._mediaSource.endOfStream()}catch(e){}}})}u.prototype._onSourceOpen=function(e){var t=this;if(t.destroyed)return;t._mediaSource.removeEventListener("sourceopen",t._openHandler);t._createSourceBuffer(e)};u.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t._allStreams.splice(t._allStreams.indexOf(t),1);t._mediaSource.removeEventListener("sourceopen",t._openHandler);t._elem.removeEventListener("timeupdate",t._flowHandler);if(t._sourceBuffer){t._sourceBuffer.removeEventListener("updateend",t._flowHandler);if(t._mediaSource.readyState==="open"){t._sourceBuffer.abort()}}if(e)t.emit("error",e);t.emit("close")};u.prototype._createSourceBuffer=function(e){var t=this;if(t.destroyed)return;if(s.isTypeSupported(e)){t._sourceBuffer=t._mediaSource.addSourceBuffer(e);t._sourceBuffer.addEventListener("updateend",t._flowHandler);if(t._cb){var r=t._cb;t._cb=null;r()}}else{t.destroy(new Error("The provided type is not supported"))}};u.prototype._write=function(e,t,r){var n=this;if(n.destroyed)return;if(!n._sourceBuffer){n._cb=function(i){if(i)return r(i);n._write(e,t,r)};return}if(n._sourceBuffer.updating){return r(new Error("Cannot append buffer while source buffer updating"))}try{n._sourceBuffer.appendBuffer(o(e))}catch(i){n.destroy(i);return}n._cb=r};u.prototype._flow=function(){var e=this;if(e.destroyed||!e._sourceBuffer||e._sourceBuffer.updating){return}if(e._mediaSource.readyState==="open"){if(e._getBufferDuration()>e._bufferDuration){return}}if(e._cb){var t=e._cb;e._cb=null;t()}};var c=0;u.prototype._getBufferDuration=function(){var e=this;var t=e._sourceBuffer.buffered;var r=e._elem.currentTime;var n=-1;for(var i=0;i<t.length;i++){var o=t.start(i);var s=t.end(i)+c;if(o>r){break}else if(n>=0||r<=s){n=s}}var a=n-r;if(a<0){a=0}return a}},{inherits:79,"readable-stream":109,"to-arraybuffer":116}],116:[function(e,t,r){arguments[4][45][0].apply(r,arguments)},{buffer:26,dup:45}],117:[function(e,t,r){var n=e("binary-search");var i=e("events");var o=e("inherits");var s=e("mp4-stream");var a=e("mp4-box-encoding");var f=e("range-slice-stream");t.exports=u;function u(e){var t=this;i.call(t);t._tracks=[];t._fragmentSequence=1;t._file=e;t._decoder=null;t._findMoov(0)}o(u,i);u.prototype._findMoov=function(e){var t=this;if(t._decoder){t._decoder.destroy()}t._decoder=s.decode();var r=t._file.createReadStream({start:e});r.pipe(t._decoder);t._decoder.once("box",function(n){if(n.type==="moov"){t._decoder.decode(function(e){r.destroy();t._processMoov(e)})}else{r.destroy();t._findMoov(e+n.length)}})};function c(e,t){var r=this;r._entries=e;r._countName=t||"count";r._index=0;r._offset=0;r.value=r._entries[0]}c.prototype.inc=function(){var e=this;e._offset++;if(e._offset>=e._entries[e._index][e._countName]){e._index++;e._offset=0}e.value=e._entries[e._index]};u.prototype._processMoov=function(e){var t=this;var r=e.traks;t._tracks=[];var n=null;var i=null;t._hasVideo=false;t._hasAudio=false;for(var o=0;o<r.length;o++){var s=r[o];var a=s.mdia.minf.stbl;var f=a.stsd.entries[0];var u=s.mdia.hdlr.handlerType;var d;var h;if(u==="vide"&&f.type==="avc1"){
-if(t._hasVideo){continue}t._hasVideo=true;d="avc1";if(f.avcC){d+="."+f.avcC.mimeCodec}h='video/mp4; codecs="'+d+'"'}else if(u==="soun"&&f.type==="mp4a"){if(t._hasAudio){continue}t._hasAudio=true;d="mp4a";if(f.esds&&f.esds.mimeCodec){d+="."+f.esds.mimeCodec}h='audio/mp4; codecs="'+d+'"'}else{continue}var p=[];var m=0;var v=0;var g=0;var y=0;var _=0;var b=0;var w=new c(a.stts.entries);var E=null;if(a.ctts){E=new c(a.ctts.entries)}var k=0;while(true){var x=a.stsc.entries[_];var S=a.stsz.entries[m];var I=w.value.duration;var B=E?E.value.compositionOffset:0;var A=true;if(a.stss){A=a.stss.entries[k]===m+1}p.push({size:S,duration:I,dts:b,presentationOffset:B,sync:A,offset:y+a.stco.entries[g]});m++;if(m>=a.stsz.entries.length){break}v++;y+=S;if(v>=x.samplesPerChunk){v=0;y=0;g++;var C=a.stsc.entries[_+1];if(C&&g+1>=C.firstChunk){_++}}b+=I;w.inc();E&&E.inc();if(A){k++}}s.mdia.mdhd.duration=0;s.tkhd.duration=0;var T=x.sampleDescriptionId;var L={type:"moov",mvhd:e.mvhd,traks:[{tkhd:s.tkhd,mdia:{mdhd:s.mdia.mdhd,hdlr:s.mdia.hdlr,elng:s.mdia.elng,minf:{vmhd:s.mdia.minf.vmhd,smhd:s.mdia.minf.smhd,dinf:s.mdia.minf.dinf,stbl:{stsd:a.stsd,stts:l(),ctts:l(),stsc:l(),stsz:l(),stco:l(),stss:l()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:s.tkhd.trackId,defaultSampleDescriptionIndex:T,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:s.tkhd.trackId,timeScale:s.mdia.mdhd.timeScale,samples:p,currSample:null,currTime:null,moov:L,mime:h})}e.mvhd.duration=0;t._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};var R=t._tracks.map(function(e){return{mime:e.mime}});t.emit("ready",R)};function l(){return{version:0,flags:0,entries:[]}}u.prototype.seek=function(e,t){var r=this;if(!r._tracks){throw new Error("Not ready yet; wait for 'ready' event")}if(r._fileStream){r._fileStream.destroy();r._fileStream=null}var n=-1;r._tracks.map(function(i,o){if(i.outStream){i.outStream.destroy()}if(i.inStream){i.inStream.destroy();i.inStream=null}var a=i.outStream=s.encode();var f=r._generateFragment(o,e);if(!f){return a.finalize()}if(n===-1||f.ranges[0].start<n){n=f.ranges[0].start}if(t){a.box(r._ftyp,function(e){if(e)return r.emit("error",e);if(a.destroyed)return;a.box(i.moov,function(e){if(e)return r.emit("error",e);u(f)})})}else{u(f)}function u(e){if(a.destroyed)return;a.box(e.moof,function(t){if(t)return r.emit("error",t);if(a.destroyed)return;var n=i.inStream.slice(e.ranges);n.pipe(a.mediaData(e.length,function(e){if(e)return r.emit("error",e);if(a.destroyed)return;var t=r._generateFragment(o);if(!t){return a.finalize()}u(t)}))})}});if(n>=0){var i=r._fileStream=r._file.createReadStream({start:n});r._tracks.forEach(function(e){e.inStream=new f(n);i.pipe(e.inStream)})}return r._tracks.map(function(e){return e.outStream})};u.prototype._findSampleBefore=function(e,t){var r=this;var i=r._tracks[e];var o=Math.floor(i.timeScale*t);var s=n(i.samples,o,function(e,t){var r=e.dts+e.presentationOffset;return r-t});if(s===-1){s=0}else if(s<0){s=-s-2}while(!i.samples[s].sync){s--}return s};var d=1;u.prototype._generateFragment=function(e,t){var r=this;var n=r._tracks[e];var i;if(t!==undefined){i=r._findSampleBefore(e,t)}else{i=n.currSample}if(i>=n.samples.length)return null;var o=n.samples[i].offset;var s=n.samples[i].dts;var a=0;var f=[];for(var u=i;u<n.samples.length;u++){var c=n.samples[u];if(c.sync&&c.dts-s>=n.timeScale*d){break}a+=c.size;var l=f.length-1;if(l<0||f[l].end!==c.offset){f.push({start:c.offset,end:c.offset+c.size})}else{f[l].end+=c.size}}n.currSample=u;return{moof:r._generateMoof(e,i,u),ranges:f,length:a}};u.prototype._generateMoof=function(e,t,r){var n=this;var i=n._tracks[e];var o=[];for(var s=t;s<r;s++){var f=i.samples[s];o.push({sampleDuration:f.duration,sampleSize:f.size,sampleFlags:f.sync?33554432:16842752,sampleCompositionTimeOffset:f.presentationOffset})}var u={type:"moof",mfhd:{sequenceNumber:n._fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:i.trackId},tfdt:{baseMediaDecodeTime:i.samples[t].dts},trun:{flags:3841,dataOffset:8,entries:o}}]};u.trafs[0].trun.dataOffset+=a.encodingLength(u);return u}},{"binary-search":118,events:30,inherits:79,"mp4-box-encoding":121,"mp4-stream":125,"range-slice-stream":127}],118:[function(e,t,r){t.exports=function(e,t,r,n,i){var o,s;if(n===undefined)n=0;else{n=n|0;if(n<0||n>=e.length)throw new RangeError("invalid lower bound")}if(i===undefined)i=e.length-1;else{i=i|0;if(i<n||i>=e.length)throw new RangeError("invalid upper bound")}while(n<=i){o=n+(i-n>>1);s=+r(e[o],t);if(s<0)n=o+1;else if(s>0)i=o-1;else return o}return~n}},{}],119:[function(e,t,r){(function(t){var n=e("./index");var i=e("./descriptor");var o=20828448e5;r.fullBoxes={};var s=["mvhd","tkhd","mdhd","vmhd","smhd","stsd","esds","stsz","stco","stss","stts","ctts","stsc","dref","elst","hdlr","mehd","trex","mfhd","tfhd","tfdt","trun"];s.forEach(function(e){r.fullBoxes[e]=true});r.ftyp={};r.ftyp.encode=function(e,n,i){n=n?n.slice(i):new t(r.ftyp.encodingLength(e));var o=e.compatibleBrands||[];n.write(e.brand,0,4,"ascii");n.writeUInt32BE(e.brandVersion,4);for(var s=0;s<o.length;s++)n.write(o[s],8+s*4,4,"ascii");r.ftyp.encode.bytes=8+o.length*4;return n};r.ftyp.decode=function(e,t){e=e.slice(t);var r=e.toString("ascii",0,4);var n=e.readUInt32BE(4);var i=[];for(var o=8;o<e.length;o+=4)i.push(e.toString("ascii",o,o+4));return{brand:r,brandVersion:n,compatibleBrands:i}};r.ftyp.encodingLength=function(e){return 8+(e.compatibleBrands||[]).length*4};r.mvhd={};r.mvhd.encode=function(e,n,i){n=n?n.slice(i):new t(96);f(e.ctime||new Date,n,0);f(e.mtime||new Date,n,4);n.writeUInt32BE(e.timeScale||0,8);n.writeUInt32BE(e.duration||0,12);u(e.preferredRate||0,n,16);c(e.preferredVolume||0,n,20);a(n,22,32);l(e.matrix,n,32);n.writeUInt32BE(e.previewTime||0,68);n.writeUInt32BE(e.previewDuration||0,72);n.writeUInt32BE(e.posterTime||0,76);n.writeUInt32BE(e.selectionTime||0,80);n.writeUInt32BE(e.selectionDuration||0,84);n.writeUInt32BE(e.currentTime||0,88);n.writeUInt32BE(e.nextTrackId||0,92);r.mvhd.encode.bytes=96;return n};r.mvhd.decode=function(e,t){e=e.slice(t);return{ctime:p(e,0),mtime:p(e,4),timeScale:e.readUInt32BE(8),duration:e.readUInt32BE(12),preferredRate:m(e,16),preferredVolume:v(e,20),matrix:h(e.slice(32,68)),previewTime:e.readUInt32BE(68),previewDuration:e.readUInt32BE(72),posterTime:e.readUInt32BE(76),selectionTime:e.readUInt32BE(80),selectionDuration:e.readUInt32BE(84),currentTime:e.readUInt32BE(88),nextTrackId:e.readUInt32BE(92)}};r.mvhd.encodingLength=function(e){return 96};r.tkhd={};r.tkhd.encode=function(e,n,i){n=n?n.slice(i):new t(80);f(e.ctime||new Date,n,0);f(e.mtime||new Date,n,4);n.writeUInt32BE(e.trackId||0,8);a(n,12,16);n.writeUInt32BE(e.duration||0,16);a(n,20,28);n.writeUInt16BE(e.layer||0,28);n.writeUInt16BE(e.alternateGroup||0,30);n.writeUInt16BE(e.volume||0,32);l(e.matrix,n,36);n.writeUInt32BE(e.trackWidth||0,72);n.writeUInt32BE(e.trackHeight||0,76);r.tkhd.encode.bytes=80;return n};r.tkhd.decode=function(e,t){e=e.slice(t);return{ctime:p(e,0),mtime:p(e,4),trackId:e.readUInt32BE(8),duration:e.readUInt32BE(16),layer:e.readUInt16BE(28),alternateGroup:e.readUInt16BE(30),volume:e.readUInt16BE(32),matrix:h(e.slice(36,72)),trackWidth:e.readUInt32BE(72),trackHeight:e.readUInt32BE(76)}};r.tkhd.encodingLength=function(e){return 80};r.mdhd={};r.mdhd.encode=function(e,n,i){n=n?n.slice(i):new t(20);f(e.ctime||new Date,n,0);f(e.mtime||new Date,n,4);n.writeUInt32BE(e.timeScale||0,8);n.writeUInt32BE(e.duration||0,12);n.writeUInt16BE(e.language||0,16);n.writeUInt16BE(e.quality||0,18);r.mdhd.encode.bytes=20;return n};r.mdhd.decode=function(e,t){e=e.slice(t);return{ctime:p(e,0),mtime:p(e,4),timeScale:e.readUInt32BE(8),duration:e.readUInt32BE(12),language:e.readUInt16BE(16),quality:e.readUInt16BE(18)}};r.mdhd.encodingLength=function(e){return 20};r.vmhd={};r.vmhd.encode=function(e,n,i){n=n?n.slice(i):new t(8);n.writeUInt16BE(e.graphicsMode||0,0);var o=e.opcolor||[0,0,0];n.writeUInt16BE(o[0],2);n.writeUInt16BE(o[1],4);n.writeUInt16BE(o[2],6);r.vmhd.encode.bytes=8;return n};r.vmhd.decode=function(e,t){e=e.slice(t);return{graphicsMode:e.readUInt16BE(0),opcolor:[e.readUInt16BE(2),e.readUInt16BE(4),e.readUInt16BE(6)]}};r.vmhd.encodingLength=function(e){return 8};r.smhd={};r.smhd.encode=function(e,n,i){n=n?n.slice(i):new t(4);n.writeUInt16BE(e.balance||0,0);a(n,2,4);r.smhd.encode.bytes=4;return n};r.smhd.decode=function(e,t){e=e.slice(t);return{balance:e.readUInt16BE(0)}};r.smhd.encodingLength=function(e){return 4};r.stsd={};r.stsd.encode=function(e,i,o){i=i?i.slice(o):new 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f=this._str;this._buf=this._cb=this._str=this._ondrain=null;n=true;if(f)f.end();if(s)s(o)}e=i===e.length?a:e.slice(i)}if(this._pending&&!this._missing){this._writeBuffer=e;this._writeCb=r;return}if(n)r();else this._ondrain(r)};f.prototype._buffer=function(e,t){this._missing=e;this._buf=new r(e);this._cb=t};f.prototype._stream=function(e,t){var r=this;this._missing=e;this._str=new u(this);this._ondrain=o(this._str,"drain");this._pending++;this._str.on("end",function(){r._pending--;r._kick()});this._cb=t;return this._str};f.prototype._readBox=function(){var e=this;t(8);function t(n,i){e._buffer(n,function(n){if(i){i=r.concat(i,n)}else{i=n}var o=s.readHeaders(i);if(typeof o==="number"){t(o-i.length,i)}else{e._pending++;e._headers=o;e.emit("box",o)}})}};f.prototype.stream=function(){var e=this;if(!e._headers)throw new Error("this function can only be called once after 'box' is emitted");var t=e._headers;e._headers=null;return e._stream(t.contentLen,null)};f.prototype.decode=function(e){var t=this;if(!t._headers)throw new Error("this function can only be called once after 'box' is emitted");var r=t._headers;t._headers=null;t._buffer(r.contentLen,function(n){var i=s.decodeWithoutHeaders(r,n);e(i);t._pending--;t._kick()})};f.prototype.ignore=function(){var e=this;if(!e._headers)throw new Error("this function can only be called once after 'box' is emitted");var t=e._headers;e._headers=null;this._missing=t.contentLen;this._cb=function(){e._pending--;e._kick()}};f.prototype._kick=function(){if(this._pending)return;if(!this._buf&&!this._str)this._readBox();if(this._writeBuffer){var e=this._writeCb;var t=this._writeBuffer;this._writeBuffer=null;this._writeCb=null;this._write(t,null,e)}};function u(e){this._parent=e;this.destroyed=false;n.PassThrough.call(this)}i.inherits(u,n.PassThrough);u.prototype.destroy=function(e){if(this.destroyed)return;this.destroyed=true;this._parent.destroy(e);if(e)this.emit("error",e);this.emit("close")}}).call(this,e("buffer").Buffer)},{buffer:26,"mp4-box-encoding":121,"next-event":126,"readable-stream":109,util:49}],124:[function(e,t,r){(function(r,n){var i=e("readable-stream");var o=e("util");var s=e("mp4-box-encoding");t.exports=f;function a(){}function f(){if(!(this instanceof f))return new f;i.Readable.call(this);this.destroyed=false;this._reading=false;this._stream=null;this._drain=null;this._want=false;this._onreadable=t;this._onend=r;var e=this;function t(){if(!e._want)return;e._want=false;e._read()}function r(){e._stream=null}}o.inherits(f,i.Readable);f.prototype.mediaData=f.prototype.mdat=function(e,t){var r=new u(this);this.box({type:"mdat",contentLength:e,encodeBufferLen:8,stream:r},t);return r};f.prototype.box=function(e,t){if(!t)t=a;if(this.destroyed)return t(new Error("Encoder is destroyed"));var i;if(e.encodeBufferLen){i=new n(e.encodeBufferLen)}if(e.stream){e.buffer=null;i=s.encode(e,i);this.push(i);this._stream=e.stream;this._stream.on("readable",this._onreadable);this._stream.on("end",this._onend);this._stream.on("end",t);this._forward()}else{i=s.encode(e,i);var o=this.push(i);if(o)return r.nextTick(t);this._drain=t}};f.prototype.destroy=function(e){if(this.destroyed)return;this.destroyed=true;if(this._stream&&this._stream.destroy)this._stream.destroy();this._stream=null;if(this._drain){var t=this._drain;this._drain=null;t(e)}if(e)this.emit("error",e);this.emit("close")};f.prototype.finalize=function(){this.push(null)};f.prototype._forward=function(){if(!this._stream)return;while(!this.destroyed){var e=this._stream.read();if(!e){this._want=!!this._stream;return}if(!this.push(e))return}};f.prototype._read=function(){if(this._reading||this.destroyed)return;this._reading=true;if(this._stream)this._forward();if(this._drain){var e=this._drain;this._drain=null;e()}this._reading=false};function u(e){this._parent=e;this.destroyed=false;i.PassThrough.call(this)}o.inherits(u,i.PassThrough);u.prototype.destroy=function(e){if(this.destroyed)return;this.destroyed=true;this._parent.destroy(e);if(e)this.emit("error",e);this.emit("close")}}).call(this,e("_process"),e("buffer").Buffer)},{_process:34,buffer:26,"mp4-box-encoding":121,"readable-stream":109,util:49}],125:[function(e,t,r){r.decode=e("./decode");r.encode=e("./encode")},{"./decode":123,"./encode":124}],126:[function(e,t,r){t.exports=n;function n(e,t){var r=null;e.on(t,function(e){if(!r)return;var t=r;r=null;t(e)});return function(e){r=e}}},{}],127:[function(e,t,r){var n=e("inherits");var i=e("stream");t.exports=o;n(o,i.Writable);function o(e){var t=this;if(!(t instanceof o))return new o(e);i.Writable.call(t);t.destroyed=false;t._queue=[];t._position=e||0;t._cb=null;t._buffer=null;t._out=null}o.prototype._write=function(e,t,r){var n=this;var i=true;while(true){if(n.destroyed){return}if(n._queue.length===0){n._buffer=e;n._cb=r;return}n._buffer=null;var o=n._queue[0];var s=Math.max(o.start-n._position,0);var a=o.end-n._position;if(s>=e.length){n._position+=e.length;return r(null)}var f;if(a>e.length){n._position+=e.length;if(s===0){f=e}else{f=e.slice(s)}i=o.stream.write(f)&&i;break}n._position+=a;if(s===0&&a===e.length){f=e}else{f=e.slice(s,a)}i=o.stream.write(f)&&i;if(o.last){o.stream.end()}e=e.slice(a);n._queue.shift()}if(i){r(null)}else{o.stream.once("drain",r.bind(null,null))}};o.prototype.slice=function(e){var t=this;if(t.destroyed)return null;if(!(e instanceof Array)){e=[e]}var r=new i.PassThrough;e.forEach(function(n,i){t._queue.push({start:n.start,end:n.end,stream:r,last:i===e.length-1})});if(t._buffer){t._write(t._buffer,null,t._cb)}return r};o.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;if(e)t.emit("error",e)}},{inherits:79,stream:39}],128:[function(e,t,r){var n=e("events");var i=e("inherits");var o=e("mediasource");var s=e("pump");var a=e("./mp4-remuxer");t.exports=f;function f(e,t,r){var i=this;if(!(this instanceof f))return new f(e,t,r);r=r||{};n.call(i);i._elem=t;i._elemWrapper=new o(t);i._muxer=new a(e);i._tracks=null;i._onWaiting=function(){if(i._tracks){var e=i._muxer.seek(i._elem.currentTime);i._tracks.forEach(function(t,r){t.muxed.destroy();t.muxed=e[r];t.mediaSource=i._elemWrapper.createWriteStream(t.mediaSource)});i._pump()}};i._elem.addEventListener("waiting",i._onWaiting);i._muxer.on("ready",function(e){var t=i._muxer.seek(0,true);i._tracks=e.map(function(e,r){return{muxed:t[r],mediaSource:i._elemWrapper.createWriteStream(e.mime)}});i._pump()});i._muxer.on("error",i.emit.bind(i,"error"))}i(f,n);f.prototype._pump=function(){var e=this;e._tracks.forEach(function(t){s(t.muxed,t.mediaSource,function(t){if(t&&t.message!=="premature close"){
-e.emit("error",t)}})})};f.prototype.destroy=function(e){var t=this;if(t.destroyed){return}t.destroyed=true;t._elem.removeEventListener("waiting",t._onWaiting);if(t._tracks){t._tracks.forEach(function(e){e.muxed.destroy()})}t._elem.src="";if(e)t.emit("error",e)}},{"./mp4-remuxer":117,events:30,inherits:79,mediasource:115,pump:92}],129:[function(e,t,r){(function(e){t.exports=function(t,r,n){if(typeof r!=="number")throw new Error("second argument must be a Number");var i,o,s,a,f;var u=true;if(Array.isArray(t)){i=[];s=o=t.length}else{a=Object.keys(t);i={};s=o=a.length}function c(t){function r(){if(n)n(t,i);n=null}if(u)e.nextTick(r);else r()}function l(e,r,n){i[e]=n;if(r)f=true;if(--s===0||r){c(r)}else if(!f&&d<o){var u;if(a){u=a[d];d+=1;t[u](l.bind(undefined,u))}else{u=d;d+=1;t[u](l.bind(undefined,u))}}}var d=r;if(!s){c(null)}else if(a){a.some(function(e,n){t[e](l.bind(undefined,e));if(n===r-1)return true})}else{t.some(function(e,t){e(l.bind(undefined,t));if(t===r-1)return true})}u=false}}).call(this,e("_process"))},{_process:34}],130:[function(e,t,r){(function(e){t.exports=function(t,r){var n,i,o;var s=true;if(Array.isArray(t)){n=[];i=t.length}else{o=Object.keys(t);n={};i=o.length}function a(t){function i(){if(r)r(t,n);r=null}if(s)e.nextTick(i);else i()}function f(e,t,r){n[e]=r;if(--i===0||t){a(t)}}if(!i){a(null)}else if(o){o.forEach(function(e){t[e](f.bind(undefined,e))})}else{t.forEach(function(e,t){e(f.bind(undefined,t))})}s=false}}).call(this,e("_process"))},{_process:34}],131:[function(e,t,r){(function(r){t.exports=u;var n=e("xtend");var i=e("http");var o=e("https");var s=e("once");var a=e("unzip-response");var f=e("url");function u(e,t){e=typeof e==="string"?{url:e}:n(e);t=s(t);if(e.url)c(e);if(e.headers==null)e.headers={};if(e.maxRedirects==null)e.maxRedirects=10;var r=e.body;e.body=undefined;if(r&&!e.method)e.method="POST";var f=Object.keys(e.headers).some(function(e){return e.toLowerCase()==="accept-encoding"});if(!f)e.headers["accept-encoding"]="gzip, deflate";var l=e.protocol==="https:"?o:i;var d=l.request(e,function(r){if(r.statusCode>=300&&r.statusCode<400&&"location"in r.headers){e.url=r.headers.location;c(e);r.resume();e.maxRedirects-=1;if(e.maxRedirects>0)u(e,t);else t(new Error("too many redirects"));return}t(null,typeof a==="function"?a(r):r)});d.on("error",t);d.end(r);return d}t.exports.concat=function(e,t){return u(e,function(e,n){if(e)return t(e);var i=[];n.on("data",function(e){i.push(e)});n.on("end",function(){t(null,r.concat(i),n)})})};["get","post","put","patch","head","delete"].forEach(function(e){t.exports[e]=function(t,r){if(typeof t==="string")t={url:t};t.method=e.toUpperCase();return u(t,r)}});function c(e){var t=f.parse(e.url);if(t.hostname)e.hostname=t.hostname;if(t.port)e.port=t.port;if(t.protocol)e.protocol=t.protocol;e.path=t.path;delete e.url}}).call(this,e("buffer").Buffer)},{buffer:26,http:40,https:31,once:133,"unzip-response":25,url:46,xtend:156}],132:[function(e,t,r){arguments[4][20][0].apply(r,arguments)},{dup:20}],133:[function(e,t,r){arguments[4][21][0].apply(r,arguments)},{dup:21,wrappy:132}],134:[function(e,t,r){(function(r){t.exports=c;var n=e("debug")("simple-peer");var i=e("get-browser-rtc");var o=e("hat");var s=e("inherits");var a=e("is-typedarray");var f=e("once");var u=e("stream");s(c,u.Duplex);function c(e){var t=this;if(!(t instanceof c))return new c(e);t._debug("new peer %o",e);if(!e)e={};e.allowHalfOpen=false;if(e.highWaterMark==null)e.highWaterMark=1024*1024;u.Duplex.call(t,e);t.initiator=e.initiator||false;t.channelConfig=e.channelConfig||c.channelConfig;t.channelName=e.initiator?e.channelName||o(160):null;t.config=e.config||c.config;t.constraints=e.constraints||c.constraints;t.offerConstraints=e.offerConstraints;t.answerConstraints=e.answerConstraints;t.reconnectTimer=e.reconnectTimer||false;t.sdpTransform=e.sdpTransform||function(e){return e};t.stream=e.stream||false;t.trickle=e.trickle!==undefined?e.trickle:true;t.destroyed=false;t.connected=false;t.remoteAddress=undefined;t.remoteFamily=undefined;t.remotePort=undefined;t.localAddress=undefined;t.localPort=undefined;t._isWrtc=!!e.wrtc;t._wrtc=e.wrtc||i();if(!t._wrtc){if(typeof window==="undefined"){throw new Error("No WebRTC support: Specify `opts.wrtc` option in this environment")}else{throw new Error("No WebRTC support: Not a supported browser")}}t._maxBufferedAmount=e.highWaterMark;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._pendingCandidates=[];t._chunk=null;t._cb=null;t._interval=null;t._reconnectTimeout=null;t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints);t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t);t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t);t._pc.onicecandidate=t._onIceCandidate.bind(t);if(t.stream)t._pc.addStream(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)});t._pc.onnegotiationneeded=f(t._createOffer.bind(t));if(typeof window==="undefined"||!window.webkitRTCPeerConnection){t._pc.onnegotiationneeded()}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){setTimeout(function(){t._destroy()},100)}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}})}c.WEBRTC_SUPPORT=!!i();c.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};c.constraints={};c.channelConfig={};Object.defineProperty(c.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});c.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};c.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if(typeof e==="string"){try{e=JSON.parse(e)}catch(r){e={}}}t._debug("signal()");function n(e){try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e),l,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: "+r.message))}}if(e.sdp){t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){if(t.destroyed)return;if(t._pc.remoteDescription.type==="offer")t._createAnswer();t._pendingCandidates.forEach(n);t._pendingCandidates=[]},t._onError.bind(t))}if(e.candidate){if(t._pc.remoteDescription)n(e.candidate);else t._pendingCandidates.push(e.candidate)}if(!e.sdp&&!e.candidate){t._destroy(new Error("signal() called with invalid signal data"))}};c.prototype.send=function(e){var t=this;if(!a.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}if(r.isBuffer(e)&&t._isWrtc){e=new Uint8Array(e)}var n=e.length||e.byteLength||e.size;t._channel.send(e);t._debug("write: %d bytes",n)};c.prototype.destroy=function(e){var t=this;t._destroy(null,e)};c.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.readable=r.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;r._chunk=null;r._cb=null;clearInterval(r._interval);clearTimeout(r._reconnectTimeout);if(r._pc){try{r._pc.close()}catch(e){}r._pc.oniceconnectionstatechange=null;r._pc.onsignalingstatechange=null;r._pc.onicecandidate=null}if(r._channel){try{r._channel.close()}catch(e){}r._channel.onmessage=null;r._channel.onopen=null;r._channel.onclose=null}r._pc=null;r._channel=null;if(e)r.emit("error",e);r.emit("close")};c.prototype._setupData=function(e){var t=this;t._channel=e.channel;t.channelName=t._channel.label;t._channel.binaryType="arraybuffer";t._channel.onmessage=t._onChannelMessage.bind(t);t._channel.onopen=t._onChannelOpen.bind(t);t._channel.onclose=t._onChannelClose.bind(t)};c.prototype._read=function(){};c.prototype._write=function(e,t,r){var n=this;if(n.destroyed)return r(new Error("cannot write after peer is destroyed"));if(n.connected){try{n.send(e)}catch(i){return n._onError(i)}if(n._channel.bufferedAmount>n._maxBufferedAmount){n._debug("start backpressure: bufferedAmount %d",n._channel.bufferedAmount);n._cb=r}else{r(null)}}else{n._debug("write before connect");n._chunk=e;n._cb=r}};c.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,l,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.offerConstraints)};c.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,l,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.answerConstraints)};c.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,r);e.emit("iceConnectionStateChange",t,r);if(r==="connected"||r==="completed"){clearTimeout(e._reconnectTimeout);e._pcReady=true;e._maybeReady()}if(r==="disconnected"){if(e.reconnectTimer){clearTimeout(e._reconnectTimeout);e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)}else{e._destroy()}}if(r==="failed"){e._destroy()}if(r==="closed"){e._destroy()}};c.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(e.connected||e._connecting||!e._pcReady||!e._channelReady)return;e._connecting=true;if(!e._pc.getStats){t([])}else 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"&&t.candidateType==="host"){e.remoteAddress=t.ipAddress;e.remotePort=Number(t.portNumber);e.remoteFamily="IPv4";e._debug("connect remote: %s:%s (%s)",e.remoteAddress,e.remotePort,e.remoteFamily)}else if(t.type==="localcandidate"&&t.candidateType==="host"){e.localAddress=t.ipAddress;e.localPort=Number(t.portNumber);e._debug("connect local: %s:%s",e.localAddress,e.localPort)}});e._connecting=false;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(r){return e._onError(r)}e._chunk=null;e._debug('sent chunk from "write before connect"');var n=e._cb;e._cb=null;n(null)}e._interval=setInterval(function(){if(!e._cb||!e._channel||e._channel.bufferedAmount>e._maxBufferedAmount)return;e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref();e._debug("connect");e.emit("connect")}};c.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e._debug("signalingStateChange %s",e._pc.signalingState);e.emit("signalingStateChange",e._pc.signalingState)};c.prototype._onIceCandidate=function(e){var t=this;if(t.destroyed)return;if(e.candidate&&t.trickle){t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}})}else if(!e.candidate){t._iceComplete=true;t.emit("_iceComplete")}};c.prototype._onChannelMessage=function(e){var t=this;if(t.destroyed)return;var n=e.data;t._debug("read: %d bytes",n.byteLength||n.length);if(n instanceof ArrayBuffer){n=new 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o=e("debug")("ut_metadata");var s=e("events").EventEmitter;var a=e("inherits");var f=e("simple-sha1");var u=1e7;var c=1e3;var l=16*1024;t.exports=function(e){a(t,s);function t(t){s.call(this);this._wire=t;this._metadataComplete=false;this._metadataSize=null;this._remainingRejects=null;this._fetching=false;this._bitfield=new i(0,{grow:c});if(r.isBuffer(e)){this.setMetadata(e)}}t.prototype.name="ut_metadata";t.prototype.onHandshake=function(e,t,r){this._infoHash=e};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>u){return this.emit("warning",new Error("Peer gave maliciously large metadata size"))}this._metadataSize=e.metadata_size;this._numPieces=Math.ceil(this._metadataSize/l);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var i=e.toString();var 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;o("set metadata");try{var t=n.decode(e).info;if(t){e=n.encode(t)}}catch(r){}if(this._infoHash&&this._infoHash!==f.sync(e)){return false}this.cancel();this.metadata=e;this._metadataComplete=true;this._metadataSize=this.metadata.length;this._wire.extendedHandshake.metadata_size=this._metadataSize;this.emit("metadata",n.encode({info:n.decode(this.metadata)}));return true};t.prototype._send=function(e,t){var i=n.encode(e);if(r.isBuffer(t)){i=r.concat([i,t])}this._wire.extended("ut_metadata",i)};t.prototype._request=function(e){this._send({msg_type:0,piece:e})};t.prototype._data=function(e,t,r){var n={msg_type:1,piece:e};if(typeof r==="number"){n.total_size=r}this._send(n,t)};t.prototype._reject=function(e){this._send({msg_type:2,piece:e})};t.prototype._onRequest=function(e){if(!this._metadataComplete){this._reject(e);return}var t=e*l;var r=t+l;if(r>this._metadataSize){r=this._metadataSize}var n=this.metadata.slice(t,r);this._data(e,n,this._metadataSize)};t.prototype._onData=function(e,t,r){if(t.length>l){return}t.copy(this.metadata,e*l);this._bitfield.set(e);this._checkDone()};t.prototype._onReject=function(e){if(this._remainingRejects>0&&this._fetching){this._request(e);this._remainingRejects-=1}else{this.emit("warning",new Error('Peer sent "reject" too much'))}};t.prototype._requestPieces=function(){this.metadata=new r(this._metadataSize);for(var e=0;e<this._numPieces;e++){this._request(e)}};t.prototype._checkDone=function(){var e=true;for(var t=0;t<this._numPieces;t++){if(!this._bitfield.get(t)){e=false;break}}if(!e)return;var r=this.setMetadata(this.metadata);if(!r){this._failedMetadata()}};t.prototype._failedMetadata=function(){this._bitfield=new i(0,{grow:c});this._remainingRejects-=this._numPieces;if(this._remainingRejects>0){this._requestPieces()}else{this.emit("warning",new Error("Peer sent invalid metadata"))}};return t}}).call(this,e("buffer").Buffer)},{bencode:152,bitfield:7,buffer:26,debug:71,events:30,inherits:79,"simple-sha1":139}],152:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{"./lib/decode":153,"./lib/encode":155,dup:12}],153:[function(e,t,r){arguments[4][13][0].apply(r,arguments)},{"./dict":154,buffer:26,dup:13}],154:[function(e,t,r){arguments[4][14][0].apply(r,arguments)},{dup:14}],155:[function(e,t,r){arguments[4][15][0].apply(r,arguments)},{buffer:26,dup:15}],156:[function(e,t,r){t.exports=i;var n=Object.prototype.hasOwnProperty;function i(){var e={};for(var t=0;t<arguments.length;t++){var r=arguments[t];for(var i in r){if(n.call(r,i)){e[i]=r[i]}}}return e}},{}],157:[function(e,t,r){t.exports=i;var n=Object.prototype.hasOwnProperty;function i(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r){if(n.call(r,i)){e[i]=r[i]}}}return e}},{}],158:[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+""}},{}],159:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.74.2",author:{name:"Feross Aboukhadijeh",email:"feross@feross.org",url:"http://feross.org/"},bin:{webtorrent:"./bin/cmd.js"},browser:{"./lib/server.js":false,"bittorrent-dht/client":false,"fs-chunk-store":"memory-chunk-store","load-ip-set":false,os:false,"path-exists":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":"^6.0.1","bittorrent-swarm":"^7.0.0","chunk-store-stream":"^2.0.0",clivas:"^0.2.0",cpus:"^1.0.0","create-torrent":"^3.4.0",debug:"^2.1.0","end-of-stream":"^1.0.0",executable:"^3.0.0","fs-chunk-store":"^1.3.4",hat:"0.0.3","immediate-chunk-store":"^1.0.7",inherits:"^2.0.1",inquirer:"^0.12.0","load-ip-set":"^1.0.3","memory-chunk-store":"^1.2.0",mime:"^1.2.11",minimist:"^1.1.0",moment:"^2.8.3",multistream:"^2.0.2","network-address":"^1.0.0","parse-torrent":"^5.1.0","path-exists":"^2.1.0","pretty-bytes":"^3.0.0",pump:"^1.0.0","random-iterate":"^1.0.1","range-parser":"^1.0.2","re-emitter":"^1.0.0","readable-stream":"^2.0.5","render-media":"^2.0.0","run-parallel":"^1.0.0","run-parallel-limit":"^1.0.2",
-"simple-peer":"^5.11.6","simple-sha1":"^2.0.0",speedometer:"^1.0.0","stream-to-blob-url":"^2.0.0","stream-with-known-length-to-buffer":"^1.0.0","torrent-discovery":"^5.1.0","torrent-piece":"^1.0.0",uniq:"^1.0.1",ut_metadata:"^3.0.2",ut_pex:"^1.0.1",winreg:"0.0.16",xtend:"^4.0.0","zero-fill":"^2.2.0"},devDependencies:{"bittorrent-tracker":"^7.0.0",brfs:"^1.2.0",browserify:"^13.0.0","cross-spawn-async":"^2.0.0",finalhandler:"^0.4.0","run-series":"^1.0.2","serve-static":"^1.9.3","simple-get":"^1.0.0",standard:"^6.0.1",tape:"^4.0.0","uglify-js":"^2.4.15",zuul:"^3.0.0"},homepage:"https://webtorrent.io",keywords:["bittorrent","bittorrent client","download","mad science","streaming","torrent","webrtc","webrtc data","webtorrent"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3",chromecasts:"^1.5.3",nodebmc:"0.0.6"},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/*.js test/browser/*.js","test-browser-local":"zuul --local -- test/*.js test/browser/*.js","test-node":"tape test/*.js test/node/*.js"}}},{}],160:[function(e,t,r){(function(r,n,i){t.exports=x;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 d=e("load-ip-set");var h=e("run-parallel");var p=e("parse-torrent");var m=e("path");var v=e("simple-peer");var g=e("speedometer");var y=e("zero-fill");var _=e("./lib/concat-stream");var b=e("./lib/torrent");t.exports.WEBRTC_SUPPORT=v.WEBRTC_SUPPORT;var w=e("./package.json").version;var E=w.match(/([0-9]+)/g).slice(0,2).map(y(2)).join("");var k="-WW"+E+"-";l(x,f);function x(e){var t=this;if(!(t instanceof x))return new x(e);f.call(t);if(!e)e={};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.maxConns=e.maxConns;t.peerId=typeof e.peerId==="string"?e.peerId:(e.peerId||new i(k+c(48))).toString("hex");t.peerIdBuffer=new i(t.peerId,"hex");t.nodeId=typeof e.nodeId==="string"?e.nodeId:e.nodeId&&e.nodeId.toString("hex")||c(160);t.nodeIdBuffer=new i(t.nodeId,"hex");if(e.dht!==false&&typeof a==="function"){t.dht=new a(u({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}else{t.dht=false}s("new webtorrent (peerId %s, nodeId %s)",t.peerId,t.nodeId);if(typeof d==="function"){d(e.blocklist,{headers:{"user-agent":"WebTorrent/"+w+" (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(x.prototype,"ratio",{get:function(){var e=this.torrents.reduce(function(e,t){return e+t.uploaded},0);var t=this.torrents.reduce(function(e,t){return e+t.downloaded},0)||1;return e/t}});Object.defineProperty(x.prototype,"downloadSpeed",{get:function(){return this._downloadSpeed()}});Object.defineProperty(x.prototype,"uploadSpeed",{get:function(){return this._uploadSpeed()}});x.prototype.get=function(e){var t=this;if(e instanceof b)return e;var r;try{r=p(e)}catch(n){}if(!r)return null;if(!r.infoHash)throw new Error("Invalid torrent identifier");for(var i=0,o=t.torrents.length;i<o;i++){var s=t.torrents[i];if(s.infoHash===r.infoHash)return s}return null};x.prototype.add=x.prototype.download=function(e,t,n){var i=this;if(i.destroyed)throw new Error("client is destroyed");if(typeof t==="function")return i.add(e,null,t);s("add");t=t?u(t):{};var o=i.get(e);if(o){if(o.ready)r.nextTick(a);else o.once("ready",a)}else{o=new b(e,i,t);i.torrents.push(o);o.once("error",function(e){i.emit("error",e,o);i.remove(o)});o.once("listening",function(e){i.emit("listening",e,o)});o.once("ready",a)}function a(){s("on torrent");if(typeof n==="function")n(o);i.emit("torrent",o)}return o};x.prototype.seed=function(e,t,r){var n=this;if(n.destroyed)throw new Error("client is destroyed");if(typeof t==="function")return n.seed(e,null,t);s("seed");t=t?u(t):{};if(typeof e==="string")t.path=m.dirname(e);if(!t.createdBy)t.createdBy="WebTorrent/"+E;if(!n.tracker)t.announce=[];var i=n.add(null,t,f);var a;if(!Array.isArray(e))e=[e];h(e.map(function(e){return function(t){if(S(e))_(e,t);else t(null,e)}}),function(e,r){if(e)return n.emit("error",e,i);if(n.destroyed)return;o.parseInput(r,t,function(e,s){if(e)return n.emit("error",e,i);if(n.destroyed)return;a=s.map(function(e){return e.getStream});o(r,t,function(e,t){if(e)return n.emit("error",e,i);if(n.destroyed)return;var r=n.get(t);if(r){i.destroy();c(r)}else{i._onTorrentId(t)}})})});function f(e){var t=[function(t){e.load(a,t)}];if(n.dht){t.push(function(t){e.once("dhtAnnounce",t)})}h(t,function(t){if(n.destroyed)return;if(t)return n.emit("error",t,e);c(e)})}function c(e){s("on seed");if(typeof r==="function")r(e);n.emit("seed",e)}return i};x.prototype.remove=function(e,t){var r=this;s("remove");var n=r.get(e);if(!n)throw new Error("No torrent with id "+e);r.torrents.splice(r.torrents.indexOf(n),1);n.destroy(t)};x.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}};x.prototype.destroy=function(e){var t=this;if(t.destroyed)throw new Error("client already destroyed");t.destroyed=true;s("destroy");var r=t.torrents.map(function(e){return function(r){t.remove(e,r)}});if(t.dht)r.push(function(e){t.dht.destroy(e)});h(r,e)};function S(e){return typeof e==="object"&&e!=null&&typeof e.pipe==="function"}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./lib/concat-stream":1,"./lib/torrent":5,"./package.json":159,_process:34,"bittorrent-dht/client":25,buffer:26,"create-torrent":54,debug:71,events:30,hat:77,inherits:79,"load-ip-set":25,"parse-torrent":82,path:33,"run-parallel":130,"simple-peer":134,speedometer:141,xtend:156,"zero-fill":158}]},{},[160])(160)});
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.WebTorrent=e()}}(function(){var e;return function t(e,n,r){function i(s,a){if(!n[s]){if(!e[s]){var u="function"==typeof require&&require;if(!a&&u)return u(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var f=n[s]={exports:{}};e[s][0].call(f.exports,function(t){var n=e[s][1][t];return i(n?n:t)},f,f.exports,t,e,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,t,n){(function(e){t.exports=function(t,n){var r=[];t.on("data",function(e){r.push(e)}),t.once("end",function(){n&&n(null,e.concat(r)),n=null}),t.once("error",function(e){n&&n(e),n=null})}}).call(this,e("buffer").Buffer)},{buffer:26}],2:[function(e,t,n){function r(e,t){s.Readable.call(this,t),this.destroyed=!1,this._torrent=e._torrent;var n=t&&t.start||0,r=t&&t.end&&t.end<e.length?t.end:e.length-1,i=e._torrent.pieceLength;this._startPiece=(n+e.offset)/i|0,this._endPiece=(r+e.offset)/i|0,this._piece=this._startPiece,this._offset=n+e.offset-this._startPiece*i,this._missing=r-n+1,this._reading=!1,this._notifying=!1,this._criticalLength=Math.min(1048576/i|0,2)}t.exports=r;var i=e("debug")("webtorrent:file-stream"),o=e("inherits"),s=e("readable-stream");o(r,s.Readable),r.prototype._read=function(){this._reading||(this._reading=!0,this._notify())},r.prototype._notify=function(){var e=this;if(e._reading&&0!==e._missing){if(!e._torrent.bitfield.get(e._piece))return e._torrent.critical(e._piece,e._piece+e._criticalLength);if(!e._notifying){e._notifying=!0;var t=e._piece;e._torrent.store.get(t,function(n,r){if(e._notifying=!1,!e.destroyed){if(n)return e.destroy(n);i("read %s (length %s) (err %s)",t,r.length,n&&n.message),e._offset&&(r=r.slice(e._offset),e._offset=0),e._missing<r.length&&(r=r.slice(0,e._missing)),e._missing-=r.length,i("pushing buffer of length %s",r.length),e._reading=!1,e.push(r),0===e._missing&&e.push(null)}}),e._piece+=1}}},r.prototype.destroy=function(){this.destroyed||(this.destroyed=!0,this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0))}},{debug:71,inherits:79,"readable-stream":109}],3:[function(e,t,n){(function(n){function r(e,t){o.call(this),this._torrent=e,this.name=t.name,this.path=t.path,this.length=t.length,this.offset=t.offset,this.done=!1;var n=t.offset,r=n+t.length-1;this._startPiece=n/this._torrent.pieceLength|0,this._endPiece=r/this._torrent.pieceLength|0,0===this.length&&(this.done=!0,this.emit("done"))}t.exports=r;var i=e("end-of-stream"),o=e("events").EventEmitter,s=e("./file-stream"),a=e("inherits"),u=e("path"),c=e("render-media"),f=e("readable-stream"),d=e("stream-to-blob-url"),h=e("stream-with-known-length-to-buffer");a(r,o),r.prototype.select=function(e){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,e)},r.prototype.deselect=function(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece,!1)},r.prototype.createReadStream=function(e){var t=this;if(0===this.length){var r=new f.PassThrough;return n.nextTick(function(){r.end()}),r}var o=new s(t,e);return t._torrent.select(o._startPiece,o._endPiece,!0,function(){o._notify()}),i(o,function(){t._torrent.deselect(o._startPiece,o._endPiece,!0)}),o},r.prototype.getBuffer=function(e){h(this.createReadStream(),this.length,e)},r.prototype.getBlobURL=function(e){if("undefined"==typeof window)throw new Error("browser-only method");var t=c.mime[u.extname(this.name).toLowerCase()];d(this.createReadStream(),t,e)},r.prototype.appendTo=function(e,t){if("undefined"==typeof window)throw new Error("browser-only method");c.append(this,e,t)},r.prototype.renderTo=function(e,t){if("undefined"==typeof window)throw new Error("browser-only method");c.render(this,e,t)}}).call(this,e("_process"))},{"./file-stream":2,_process:34,"end-of-stream":74,events:30,inherits:79,path:33,"readable-stream":109,"render-media":112,"stream-to-blob-url":142,"stream-with-known-length-to-buffer":145}],4:[function(e,t,n){function r(e,t){function n(e){e.on("have",function(e){r.pieces[e]+=1}),e.on("bitfield",function(){r.recalculate()}),e.on("close",function(){for(var t=0;t<r.numPieces;++t)r.pieces[t]-=e.peerPieces.get(t)})}var r=this;r.pieces=[],r.swarm=e,r.numPieces=t,r.swarm.wires.forEach(n),r.swarm.on("wire",function(e){r.recalculate(),n(e)}),r.recalculate()}t.exports=r,r.prototype.recalculate=function(){for(var e=this,t=0;t<e.numPieces;++t)e.pieces[t]=0;e.swarm.wires.forEach(function(t){for(var n=0;n<e.numPieces;++n)e.pieces[n]+=t.peerPieces.get(n)})},r.prototype.getRarestPiece=function(e){var t=this,n=[],r=1/0;e=e||function(){return!0};for(var i=0;i<t.numPieces;++i)if(e(i)){var o=t.pieces[i];o===r?n.push(i):r>o&&(n=[i],r=o)}return n.length>0?n[Math.random()*n.length|0]:-1}},{}],5:[function(e,t,n){(function(n,r){function i(e,t,n){m.call(this),l.enabled||this.setMaxListeners(0),this.client=t,this._debugId=this.client.peerId.slice(32),this._debug("new torrent"),this.announce=n.announce,this.urlList=n.urlList,this.path=n.path,this._store=n.store||y,this.strategy=n.strategy||"sequential",this._rechokeNumSlots=n.uploads===!1||0===n.uploads?0:+n.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this.ready=!1,this.destroyed=!1,this.metadata=null,this.store=null,this.numBlockedPeers=0,this.files=null,this.done=!1,this._amInterested=!1,this.pieces=[],this._selections=[],this._critical=[],this._servers=[],null!=e&&this._onTorrentId(e)}function o(e,t){return Math.ceil(2+t*e.downloadSpeed()/I.BLOCK_LENGTH)}function s(e){return Math.random()*e|0}function a(){}t.exports=i;var u=e("addr-to-ip-port"),c=e("bitfield"),f=e("chunk-store-stream/write"),d=e("cpus"),h=e("create-torrent"),l=e("debug")("webtorrent:torrent"),p=e("torrent-discovery"),m=e("events").EventEmitter,g=e("xtend/mutable"),y=e("fs-chunk-store"),v=e("immediate-chunk-store"),_=e("inherits"),b=e("multistream"),w=e("os"),E=e("run-parallel"),k=e("run-parallel-limit"),x=e("parse-torrent"),S=e("path"),B=e("path-exists"),I=e("torrent-piece"),A=e("pump"),C=e("random-iterate"),T=e("re-emitter"),L=e("simple-sha1"),R=e("bittorrent-swarm"),U=e("uniq"),P=e("ut_metadata"),O=e("ut_pex"),M=e("./file"),j=e("./rarity-map"),D=e("./server"),H=131072,N=3e4,q=5e3,z=3*I.BLOCK_LENGTH,W=.5,F=1,Y=1e4,V=2,$="function"==typeof B.sync?S.join(B.sync("/tmp")?"/tmp":w.tmpDir(),"webtorrent"):"/tmp/webtorrent";_(i,m),Object.defineProperty(i.prototype,"timeRemaining",{get:function(){return this.done?0:this.swarm&&0!==this.swarm.downloadSpeed()?(this.length-this.downloaded)/this.swarm.downloadSpeed()*1e3:1/0}}),Object.defineProperty(i.prototype,"downloaded",{get:function(){if(!this.bitfield)return 0;for(var e=0,t=0,n=this.pieces.length;n>t;++t)if(this.bitfield.get(t))e+=t===n-1?this.lastPieceLength:this.pieceLength;else{var r=this.pieces[t];e+=r.length-r.missing}return e}}),Object.defineProperty(i.prototype,"received",{get:function(){return this.swarm?this.swarm.downloaded:0}}),Object.defineProperty(i.prototype,"uploaded",{get:function(){return this.swarm?this.swarm.uploaded:0}}),Object.defineProperty(i.prototype,"progress",{get:function(){return this.length?this.downloaded/this.length:0}}),Object.defineProperty(i.prototype,"ratio",{get:function(){return this.uploaded/(this.downloaded||1)}}),Object.defineProperty(i.prototype,"downloadSpeed",{get:function(){return this.swarm?this.swarm.downloadSpeed():0}}),Object.defineProperty(i.prototype,"uploadSpeed",{get:function(){return this.swarm?this.swarm.uploadSpeed():0}}),Object.defineProperty(i.prototype,"numPeers",{get:function(){return this.swarm?this.swarm.numPeers:0}}),Object.defineProperty(i.prototype,"torrentFileBlobURL",{get:function(){if("undefined"==typeof window)throw new Error("browser-only property");return this.torrentFile?URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"})):null}}),i.prototype._onTorrentId=function(e){var t=this;t.destroyed||x.remote(e,function(e,n){return t.destroyed?void 0:e?t._onError(e):void t._onParsedTorrent(n)})},i.prototype._onParsedTorrent=function(e){var t=this;if(!t.destroyed){if(t._processParsedTorrent(e),!t.infoHash)return t._onError(new Error("Malformed torrent data: No info hash"));t.path||(t.path=S.join($,t.infoHash)),t.swarm=new R(t.infoHash,t.client.peerId,{handshake:{dht:t["private"]?!1:!!t.client.dht},maxConns:t.client.maxConns}),t.swarm.on("error",t._onError.bind(t)),t.swarm.on("wire",t._onWire.bind(t)),t.swarm.on("download",function(e){t.client._downloadSpeed(e),t.client.emit("download",e),t.emit("download",e)}),t.swarm.on("upload",function(e){t.client._uploadSpeed(e),t.client.emit("upload",e),t.emit("upload",e)}),t.swarm.listen(t.client.torrentPort,t._onSwarmListening.bind(t)),t.emit("infoHash",t.infoHash)}},i.prototype._processParsedTorrent=function(e){this.announce&&(e.announce=e.announce.concat(this.announce)),this.client.tracker&&0===e.announce.length&&(e.announce=h.announceList.map(function(e){return e[0]})),this.client.tracker&&r.WEBTORRENT_ANNOUNCE&&(e.announce=e.announce.concat(r.WEBTORRENT_ANNOUNCE)),this.urlList&&(e.urlList=e.urlList.concat(this.urlList)),U(e.announce),U(e.urlList),g(this,e),this.magnetURI=x.toMagnetURI(e),this.torrentFile=x.toTorrentFile(e)},i.prototype._onSwarmListening=function(){var e=this;e.destroyed||(e.swarm.server&&(e.client.torrentPort=e.swarm.address().port),e.discovery=new p({announce:e.announce,dht:e["private"]?!1:e.client.dht,tracker:e.client.tracker,peerId:e.client.peerId,port:e.client.torrentPort,rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc}),e.discovery.on("error",e._onError.bind(e)),e.discovery.on("peer",e.addPeer.bind(e)),T(e.discovery,e,["trackerAnnounce","dhtAnnounce","warning"]),e.info?e._onMetadata(e):e.discovery.setTorrent(e.infoHash),e.emit("listening",e.client.torrentPort))},i.prototype._onMetadata=function(e){var t=this;if(!t.metadata&&!t.destroyed){t._debug("got metadata");var n;if(e&&e.infoHash)n=e;else try{n=x(e)}catch(r){return t._onError(r)}t._processParsedTorrent(n),t.metadata=t.torrentFile,t.discovery.setTorrent(t),t.urlList&&t.urlList.forEach(t.addWebSeed.bind(t)),t.rarityMap=new j(t.swarm,t.pieces.length),t.store=new v(new t._store(t.pieceLength,{files:t.files.map(function(e){return{path:S.join(t.path,e.path),length:e.length,offset:e.offset}}),length:t.length})),t.files=t.files.map(function(e){return new M(t,e)}),t._hashes=t.pieces,t.pieces=t.pieces.map(function(e,n){var r=n===t.pieces.length-1?t.lastPieceLength:t.pieceLength;return new I(r)}),t._reservations=t.pieces.map(function(){return[]}),t.bitfield=new c(t.pieces.length),t.swarm.wires.forEach(function(e){e.ut_metadata&&e.ut_metadata.setMetadata(t.metadata),t._onWireWithMetadata(e)}),t._debug("verifying existing torrent data"),k(t.pieces.map(function(e,n){return function(e){t.store.get(n,function(r,i){return r?e(null):void L(i,function(r){if(r===t._hashes[n]){if(!t.pieces[n])return;t._debug("piece verified %s",n),t.pieces[n]=null,t._reservations[n]=null,t.bitfield.set(n,!0)}else t._debug("piece invalid %s",n);e(null)})})}}),d().length,function(e){return e?t._onError(e):(t._debug("done verifying"),void t._onStore())}),t.emit("metadata")}},i.prototype._onStore=function(){var e=this;e.destroyed||(e._debug("on store"),e.select(0,e.pieces.length-1,!1),e._rechokeIntervalId=setInterval(e._rechoke.bind(e),Y),e._rechokeIntervalId.unref&&e._rechokeIntervalId.unref(),e.ready=!0,e.emit("ready"),e._checkDone())},i.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,t._debug("destroy"),t.client.remove(t),t._rechokeIntervalId&&(clearInterval(t._rechokeIntervalId),t._rechokeIntervalId=null);var n=[];t._servers.forEach(function(e){n.push(function(t){e.destroy(t)})}),t.swarm&&n.push(function(e){t.swarm.destroy(e)}),t.discovery&&n.push(function(e){t.discovery.stop(e)}),t.store&&n.push(function(e){t.store.close(e)}),E(n,e)}},i.prototype.addPeer=function(e){function t(){n.swarm.addPeer(e),n.emit("peer",e)}var n=this;if(n.destroyed)throw new Error("torrent is destroyed");if(n.client.blocked){var r="string"==typeof e?e:e.remoteAddress;if(r&&n.client.blocked.contains(u(r)[0]))return n.numBlockedPeers+=1,n.emit("blockedPeer",e),!1}return n.swarm?t():n.once("listening",t),!0},i.prototype.addWebSeed=function(e){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("add web seed %s",e),this.swarm.addWebSeed(e,this)},i.prototype.select=function(e,t,n,r){var i=this;if(i.destroyed)throw new Error("torrent is destroyed");if(e>t||0>e||t>=i.pieces.length)throw new Error("invalid selection ",e,":",t);n=Number(n)||0,i._debug("select %s-%s (priority %s)",e,t,n),i._selections.push({from:e,to:t,offset:0,priority:n,notify:r||a}),i._selections.sort(function(e,t){return t.priority-e.priority}),i._updateSelections()},i.prototype.deselect=function(e,t,n){var r=this;if(r.destroyed)throw new Error("torrent is destroyed");n=Number(n)||0,r._debug("deselect %s-%s (priority %s)",e,t,n);for(var i=0;i<r._selections.length;++i){var o=r._selections[i];if(o.from===e&&o.to===t&&o.priority===n){r._selections.splice(i--,1);break}}r._updateSelections()},i.prototype.critical=function(e,t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");n._debug("critical %s-%s",e,t);for(var r=e;t>=r;++r)n._critical[r]=!0;n._updateSelections()},i.prototype._onWire=function(e,t){var r=this;if(r._debug("got wire %s (%s)",e._debugId,t||"Unknown"),t){var i=u(t);e.remoteAddress=i[0],e.remotePort=i[1]}r.client.dht&&r.client.dht.listening&&e.on("port",function(n){if(!r.destroyed&&!r.client.dht.destroyed){if(!e.remoteAddress)return r._debug("ignoring PORT from peer with no address");if(0===n||n>65536)return r._debug("ignoring invalid PORT from peer");r._debug("port: %s (from %s)",n,t),r.client.dht.addNode({host:e.remoteAddress,port:n})}}),e.on("timeout",function(){r._debug("wire timeout (%s)",t),e.destroy()}),e.setTimeout(N,!0),e.setKeepAlive(!0),e.use(P(r.metadata)),e.ut_metadata.on("warning",function(e){r._debug("ut_metadata warning: %s",e.message)}),r.metadata||(e.ut_metadata.on("metadata",function(e){r._debug("got metadata via ut_metadata"),r._onMetadata(e)}),e.ut_metadata.fetch()),"function"!=typeof O||r["private"]||(e.use(O()),e.ut_pex.on("peer",function(e){r._debug("ut_pex: got peer: %s (from %s)",e,t),r.addPeer(e)}),e.ut_pex.on("dropped",function(e){var n=r.swarm._peers[e];n&&!n.connected&&(r._debug("ut_pex: dropped peer: %s (from %s)",e,t),r.swarm.removePeer(e))})),r.emit("wire",e,t),r.metadata&&n.nextTick(function(){r._onWireWithMetadata(e)})},i.prototype._onWireWithMetadata=function(e){function t(){r.destroyed||e.destroyed||(r.swarm.numQueued>2*(r.swarm.numConns-r.swarm.numPeers)&&e.amInterested?e.destroy():(i=setTimeout(t,q),i.unref&&i.unref()))}function n(){if(e.peerPieces.length===r.pieces.length){for(;o<r.pieces.length;++o)if(!e.peerPieces.get(o))return;e.isSeeder=!0,e.choke()}}var r=this,i=null,o=0;e.on("bitfield",function(){n(),r._update()}),e.on("have",function(){n(),r._update()}),e.once("interested",function(){e.unchoke()}),e.on("close",function(){clearTimeout(i)}),e.on("choke",function(){clearTimeout(i),i=setTimeout(t,q),i.unref&&i.unref()}),e.on("unchoke",function(){clearTimeout(i),r._update()}),e.on("request",function(t,n,i,o){return i>H?e.destroy():void(r.pieces[t]||r.store.get(t,{offset:n,length:i},o))}),e.bitfield(r.bitfield),e.interested(),e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening&&e.port(r.client.dht.address().port),i=setTimeout(t,q),i.unref&&i.unref(),e.isSeeder=!1,n()},i.prototype._updateSelections=function(){var e=this;if(e.swarm&&!e.destroyed){if(!e.metadata)return e.once("metadata",e._updateSelections.bind(e));n.nextTick(e._gcSelections.bind(e)),e._updateInterest(),e._update()}},i.prototype._gcSelections=function(){for(var e=this,t=0;t<e._selections.length;t++){for(var n=e._selections[t],r=n.offset;e.bitfield.get(n.from+n.offset)&&n.from+n.offset<n.to;)n.offset++;r!==n.offset&&n.notify(),n.to===n.from+n.offset&&e.bitfield.get(n.from+n.offset)&&(e._selections.splice(t--,1),n.notify(),e._updateInterest())}e._selections.length||e.emit("idle")},i.prototype._updateInterest=function(){var e=this,t=e._amInterested;e._amInterested=!!e._selections.length,e.swarm.wires.forEach(function(t){e._amInterested?t.interested():t.uninterested()}),t!==e._amInterested&&(e._amInterested?e.emit("interested"):e.emit("uninterested"))},i.prototype._update=function(){var e=this;if(!e.destroyed)for(var t,n=C(e.swarm.wires);t=n();)e._updateWire(t)},i.prototype._updateWire=function(e){function t(t,n,r,i){return function(o){return o>=t&&n>=o&&!(o in r)&&e.peerPieces.get(o)&&(!i||i(o))}}function n(){if(!e.requests.length)for(var n=a._selections.length;n--;){var r,i=a._selections[n];if("rarest"===a.strategy)for(var o=i.from+i.offset,s=i.to,u=s-o+1,c={},f=0,d=t(o,s,c);u>f&&(r=a.rarityMap.getRarestPiece(d),!(0>r));){if(a._request(e,r,!1))return;c[r]=!0,f+=1}else for(r=i.to;r>=i.from+i.offset;--r)if(e.peerPieces.get(r)&&a._request(e,r,!1))return}}function r(){var t=e.downloadSpeed()||1;if(t>z)return function(){return!0};var n=Math.max(1,e.requests.length)*I.BLOCK_LENGTH/t,r=10,i=0;return function(e){if(!r||a.bitfield.get(e))return!0;for(var o=a.pieces[e].missing;i<a.swarm.wires.length;i++){var s=a.swarm.wires[i],u=s.downloadSpeed();if(!(z>u)&&!(t>=u)&&s.peerPieces.get(e)&&!((o-=u*n)>0))return r--,!1}return!0}}function i(e){for(var t=e,n=e;n<a._selections.length&&a._selections[n].priority;n++)t=n;var r=a._selections[e];a._selections[e]=a._selections[t],a._selections[t]=r}function s(n){if(e.requests.length>=c)return!0;for(var o=r(),s=0;s<a._selections.length;s++){var u,f=a._selections[s];if("rarest"===a.strategy)for(var d=f.from+f.offset,h=f.to,l=h-d+1,p={},m=0,g=t(d,h,p,o);l>m&&(u=a.rarityMap.getRarestPiece(g),!(0>u));){for(;a._request(e,u,a._critical[u]||n););if(!(e.requests.length<c))return f.priority&&i(s),!0;p[u]=!0,m++}else for(u=f.from+f.offset;u<=f.to;u++)if(e.peerPieces.get(u)&&o(u)){for(;a._request(e,u,a._critical[u]||n););if(!(e.requests.length<c))return f.priority&&i(s),!0}}return!1}var a=this;if(!e.peerChoking){if(!e.downloaded)return n();var u=o(e,W);if(!(e.requests.length>=u)){var c=o(e,F);s(!1)||s(!0)}}},i.prototype._rechoke=function(){function e(e,t){return e.downloadSpeed!==t.downloadSpeed?t.downloadSpeed-e.downloadSpeed:e.uploadSpeed!==t.uploadSpeed?t.uploadSpeed-e.uploadSpeed:e.wire.amChoking!==t.wire.amChoking?e.wire.amChoking?1:-1:e.salt-t.salt}var t=this;t._rechokeOptimisticTime>0?t._rechokeOptimisticTime-=1:t._rechokeOptimisticWire=null;var n=[];t.swarm.wires.forEach(function(e){e.isSeeder||e===t._rechokeOptimisticWire||n.push({wire:e,downloadSpeed:e.downloadSpeed(),uploadSpeed:e.uploadSpeed(),salt:Math.random(),isChoked:!0})}),n.sort(e);for(var r=0,i=0;i<n.length&&r<t._rechokeNumSlots;++i)n[i].isChoked=!1,n[i].wire.peerInterested&&(r+=1);if(!t._rechokeOptimisticWire&&i<n.length&&t._rechokeNumSlots){var o=n.slice(i).filter(function(e){return e.wire.peerInterested}),a=o[s(o.length)];a&&(a.isChoked=!1,t._rechokeOptimisticWire=a.wire,t._rechokeOptimisticTime=V)}n.forEach(function(e){e.wire.amChoking!==e.isChoked&&(e.isChoked?e.wire.choke():e.wire.unchoke())})},i.prototype._hotswap=function(e,t){var n=this,r=e.downloadSpeed();if(r<I.BLOCK_LENGTH)return!1;if(!n._reservations[t])return!1;var i=n._reservations[t];if(!i)return!1;var o,s,a=1/0;for(s=0;s<i.length;s++){var u=i[s];if(u&&u!==e){var c=u.downloadSpeed();c>=z||2*c>r||c>a||(o=u,a=c)}}if(!o)return!1;for(s=0;s<i.length;s++)i[s]===o&&(i[s]=null);for(s=0;s<o.requests.length;s++){var f=o.requests[s];f.piece===t&&n.pieces[t].cancel(f.offset/I.BLOCK_SIZE|0)}return n.emit("hotswap",o,e,t),!0},i.prototype._request=function(e,t,r){function i(){n.nextTick(function(){s._update()})}var s=this,a=e.requests.length;if(s.bitfield.get(t))return!1;var u=o(e,F);if(a>=u)return!1;var c=s.pieces[t],f=c.reserve();if(-1===f&&r&&s._hotswap(e,t)&&(f=c.reserve()),-1===f)return!1;var d=s._reservations[t];d||(d=s._reservations[t]=[]);var h=d.indexOf(null);-1===h&&(h=d.length),d[h]=e;var l=c.chunkOffset(f),p=c.chunkLength(f);return e.request(t,l,p,function m(n,r){if(!s.ready)return s.once("ready",function(){m(n,r)});if(d[h]===e&&(d[h]=null),c!==s.pieces[t])return i();if(n)return s._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,l,p,e.remoteAddress+":"+e.remotePort,n.message),c.cancel(f),void i();if(s._debug("got piece %s (offset: %s length: %s) from %s",t,l,p,e.remoteAddress+":"+e.remotePort),!c.set(f,r,e))return i();var o=c.flush();L(o,function(e){if(e===s._hashes[t]){if(!s.pieces[t])return;s._debug("piece verified %s",t),s.pieces[t]=null,s._reservations[t]=null,s.bitfield.set(t,!0),s.store.put(t,o),s.swarm.wires.forEach(function(e){e.have(t)}),s._checkDone()}else s.pieces[t]=new I(c.length),s.emit("warning",new Error("Piece "+t+" failed verification"));i()})}),!0},i.prototype._checkDone=function(){var e=this;if(!e.destroyed){e.files.forEach(function(t){if(!t.done){for(var n=t._startPiece;n<=t._endPiece;++n)if(!e.bitfield.get(n))return;t.done=!0,t.emit("done"),e._debug("file done: "+t.name)}});for(var t=!0,n=0;n<e._selections.length;n++){for(var r=e._selections[n],i=r.from;i<=r.to;i++)if(!e.bitfield.get(i)){t=!1;break}if(!t)break}!e.done&&t&&(e.done=!0,e.emit("done"),e._debug("torrent done: "+e.infoHash),e.discovery.tracker&&e.discovery.tracker.complete()),e._gcSelections()}},i.prototype.load=function(e,t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");if(!n.ready)return n.once("ready",function(){n.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=a);var r=new b(e),i=new f(n.store,n.pieceLength);A(r,i,function(e){return e?t(e):(n.pieces.forEach(function(e,t){n.pieces[t]=null,n._reservations[t]=null,n.bitfield.set(t,!0)}),n._checkDone(),void t(null))})},i.prototype.createServer=function(e){if("function"!=typeof D)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");var t=new D(this,e);return this._servers.push(t),t},i.prototype.pause=function(){this.destroyed||this.swarm.pause()},i.prototype.resume=function(){this.destroyed||this.swarm.resume()},i.prototype._onError=function(e){var t=this;t._debug("torrent error: %s",e.message||e),t.emit("error",e),t.destroy()},i.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],l.apply(null,e)}}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./file":3,"./rarity-map":4,"./server":25,_process:34,"addr-to-ip-port":6,bitfield:7,"bittorrent-swarm":8,"chunk-store-stream/write":52,cpus:53,"create-torrent":54,debug:71,events:30,"fs-chunk-store":80,"immediate-chunk-store":78,inherits:79,multistream:81,os:25,"parse-torrent":82,path:33,"path-exists":25,pump:92,"random-iterate":95,"re-emitter":96,"run-parallel":130,"run-parallel-limit":129,"simple-sha1":139,"torrent-discovery":148,"torrent-piece":149,uniq:150,ut_metadata:151,ut_pex:25,"xtend/mutable":157}],6:[function(e,t,n){var r=/^\[?([^\]]+)\]?:(\d+)$/,i={},o=0;t.exports=function(e){if(1e5===o&&t.exports.reset(),!i[e]){var n=r.exec(e);if(!n)throw new Error("invalid addr: "+e);i[e]=[n[1],Number(n[2])],o+=1}return i[e]},t.exports.reset=function(){i={},o=0}},{}],7:[function(e,t,n){(function(e){function n(e,t){return this instanceof n?(0===arguments.length&&(e=0),this.grow=t&&(isFinite(t.grow)&&r(t.grow)||t.grow)||0,("number"==typeof e||void 0===e)&&(e=new i(r(e)),e.fill&&!e._isBuffer&&e.fill(0)),void(this.buffer=e)):new n(e,t)}function r(e){var t=e>>3;return e%8!==0&&t++,t}var i="undefined"!=typeof e?e:"undefined"!=typeof Int8Array?Int8Array:function(e){for(var t=new Array(e),n=0;e>n;n++)t[n]=0};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 n=e>>3;t||1===arguments.length?(this.buffer.length<n+1&&this._grow(Math.max(n+1,Math.min(2*this.buffer.length,this.grow))),this.buffer[n]|=128>>e%8):n<this.buffer.length&&(this.buffer[n]&=~(128>>e%8))},n.prototype._grow=function(e){if(this.buffer.length<e&&e<=this.grow){var t=new i(e);if(t.fill&&t.fill(0),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}},"undefined"!=typeof t&&(t.exports=n)}).call(this,e("buffer").Buffer)},{buffer:26}],8:[function(e,t,n){(function(n,r){function i(e,t,n){var o=this;return o instanceof i?(a.call(o),o.infoHash="string"==typeof e?e:e.toString("hex"),o.infoHashBuffer=new r(o.infoHash,"hex"),o.peerId="string"==typeof t?t:t.toString("hex"),o.peerIdBuffer=new r(o.peerId,"hex"),n||(n={}),s("new swarm (i %s p %s)",o.infoHash,o.peerId),o.handshakeOpts=n.handshake,o.maxConns=Number(n.maxConns)||l,o.destroyed=!1,o.listening=!1,o.paused=!1,o.server=null,o.wires=[],o._queue=[],o._peers={},o._peersLength=0,o._port=0,o.downloaded=0,o.uploaded=0,o.downloadSpeed=f(),void(o.uploadSpeed=f())):new i(e,t,n)}t.exports=i;var o=e("addr-to-ip-port"),s=e("debug")("bittorrent-swarm"),a=e("events").EventEmitter,u=e("inherits"),c=e("net"),f=e("speedometer"),d=e("./lib/peer"),h=e("./lib/tcp-pool"),l=55,p=[1e3,5e3,15e3];u(i,a),Object.defineProperty(i.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}}),Object.defineProperty(i.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}}),Object.defineProperty(i.prototype,"numConns",{get:function(){var e=this,t=0;for(var n in e._peers){var r=e._peers[n];r&&r.connected&&(t+=1)}return t}}),Object.defineProperty(i.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}}),i.prototype.addPeer=function(e){var t=this;t._addPeer(e)},i.prototype._addPeer=function(e){var t=this;if(t.destroyed)return e&&e.destroy&&e.destroy(new Error("swarm already destroyed")),null;if("string"==typeof e&&!t._validAddr(e))return s("ignoring invalid peer %s (from swarm.addPeer)",e),null;var n=e&&e.id||e;if(!t._peers[n]){s("addPeer %s",n);var r;if("string"==typeof e)r=d.createOutgoingTCPPeer(e,t);else{if(t.paused)return e.destroy(new Error("swarm paused")),null;r=d.createWebRTCPeer(e,t)}return t._peers[r.id]=r,t._peersLength+=1,"string"==typeof e&&(t._queue.push(r),t._drain()),r}},i.prototype.addWebSeed=function(e,t){var n=this;if(!n.destroyed){if(!/^https?:\/\/.+/.test(e))return void s("ignoring invalid web seed %s (from swarm.addWebSeed)",e);if(!n._peers[e]){s("addWebSeed %s",e);var r=d.createWebPeer(e,t,n);n._peers[r.id]=r,n._peersLength+=1}}},i.prototype._addIncomingPeer=function(e){var t=this;return t.destroyed?e.destroy(new Error("swarm already destroyed")):t.paused?e.destroy(new Error("swarm paused")):t._validAddr(e.addr)?(s("_addIncomingPeer %s",e.id),t._peers[e.id]=e,void(t._peersLength+=1)):e.destroy(new Error("invalid addr "+e.addr+" (from incoming)"))},i.prototype.removePeer=function(e){var t=this,n=t._peers[e];n&&(s("removePeer %s",e),t._peers[e]=null,t._peersLength-=1,n.destroy(),t._drain())},i.prototype.pause=function(){var e=this;e.destroyed||(s("pause"),e.paused=!0)},i.prototype.resume=function(){var e=this;e.destroyed||(s("resume"),e.paused=!1,e._drain())},i.prototype.listen=function(e,t,r){var i=this;if("function"==typeof t&&(r=t,t=void 0),i.listening)throw new Error("swarm already listening");if(r&&i.once("listening",r),"function"==typeof h){i._port=e||h.getDefaultListenPort(i.infoHash),i._hostname=t,s("listen %s",e);var o=h.addSwarm(i);i.server=o.server}else n.nextTick(function(){i._onListening(0)})},i.prototype._onListening=function(e){var t=this;t._port=e,t.listening=!0,t.emit("listening")},i.prototype.address=function(){var e=this;return e.listening?e.server?e.server.address():{port:0,family:"IPv4",address:"127.0.0.1"}:null},i.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,t.listening=!1,t.paused=!1,e&&t.once("close",e),s("destroy");for(var r in t._peers)t.removePeer(r);"function"==typeof h?h.removeSwarm(t,function(){t.emit("close")}):n.nextTick(function(){t.emit("close")})}},i.prototype._drain=function(){var e=this;if(s("_drain numConns %s maxConns %s",e.numConns,e.maxConns),!("function"!=typeof c.connect||e.destroyed||e.paused||e.numConns>=e.maxConns)){s("drain (%s queued, %s/%s peers)",e.numQueued,e.numPeers,e.maxConns);var t=e._queue.shift();if(t){s("tcp connect attempt to %s",t.addr);var n=o(t.addr),r={host:n[0],port:n[1]};e._hostname&&(r.localAddress=e._hostname);var i=t.conn=c.connect(r);i.once("connect",function(){t.onConnect()}),i.once("error",function(e){t.destroy(e)}),t.setConnectTimeout(),i.on("close",function(){if(!e.destroyed){if(t.retries>=p.length)return void s("conn %s closed: will not re-add (max %s attempts)",t.addr,p.length);var n=p[t.retries];s("conn %s closed: will re-add to queue in %sms (attempt %s)",t.addr,n,t.retries+1);var r=setTimeout(function(){var n=e._addPeer(t.addr);n&&(n.retries=t.retries+1)},n);r.unref&&r.unref()}})}}},i.prototype._onError=function(e){var t=this;t.emit("error",e),t.destroy()},i.prototype._validAddr=function(e){var t=this,n=o(e),r=n[0],i=n[1];return i>0&&65535>i&&!("127.0.0.1"===r&&i===t._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":9,"./lib/tcp-pool":25,_process:34,"addr-to-ip-port":25,buffer:26,debug:71,events:30,inherits:79,net:25,speedometer:141}],9:[function(e,t,n){function r(e){var t=this;t.id=e,o("new Peer %s",e),t.addr=null,t.conn=null,t.swarm=null,t.wire=null,t.connected=!1,t.destroyed=!1,t.timeout=null,t.retries=0,t.sentHandshake=!1}function i(){}var o=e("debug")("bittorrent-swarm:peer"),s=e("./webconn"),a=e("bittorrent-protocol"),u=25e3,c=25e3;n.createWebRTCPeer=function(e,t){var n=new r(e.id);return n.conn=e,n.swarm=t,n.conn.connected?n.onConnect():(n.conn.once("connect",function(){n.onConnect()}),n.conn.once("error",function(e){n.destroy(e)}),n.setConnectTimeout()),n},n.createIncomingTCPPeer=function(e){var t=e.remoteAddress+":"+e.remotePort,n=new r(t);return n.conn=e,n.addr=t,n.onConnect(),n},n.createOutgoingTCPPeer=function(e,t){var n=new r(e);return n.addr=e,n.swarm=t,n},n.createWebPeer=function(e,t,n){var i=new r(e);return i.swarm=n,i.conn=new s(e,t),i.onConnect(),i},r.prototype.onConnect=function(){var e=this;if(!e.destroyed){e.connected=!0,o("Peer %s connected",e.id),clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()}),t.once("close",function(){e.destroy()}),t.once("finish",function(){e.destroy()}),t.once("error",function(t){e.destroy(t)});var n=e.wire=new a;n.once("end",function(){e.destroy()}),n.once("close",function(){e.destroy()}),n.once("finish",function(){e.destroy()}),n.once("error",function(t){e.destroy(t)}),n.once("handshake",function(t,n){e.onHandshake(t,n)}),e.setHandshakeTimeout(),t.pipe(n).pipe(t),e.swarm&&!e.sentHandshake&&e.handshake()}},r.prototype.onHandshake=function(e,t){var n=this;if(n.swarm){if(n.swarm.destroyed)return n.destroy(new Error("swarm already destroyed"));if(e!==n.swarm.infoHash)return n.destroy(new Error("unexpected handshake info hash for this swarm"));if(t===n.swarm.peerId)return n.destroy(new Error("refusing to handshake with self"));o("Peer %s got handshake %s",n.id,e),clearTimeout(n.handshakeTimeout),n.retries=0,n.wire.on("download",function(e){n.destroyed||(n.swarm.downloaded+=e,n.swarm.downloadSpeed(e),n.swarm.emit("download",e))}),n.wire.on("upload",function(e){n.destroyed||(n.swarm.uploaded+=e,n.swarm.uploadSpeed(e),n.swarm.emit("upload",e))}),n.swarm.wires.push(n.wire);var r=n.addr;!r&&n.conn.remoteAddress&&(r=n.conn.remoteAddress+":"+n.conn.remotePort),n.swarm.emit("wire",n.wire,r),n.swarm&&!n.swarm.destroyed&&(n.sentHandshake||n.handshake())}},r.prototype.handshake=function(){var e=this;e.wire.handshake(e.swarm.infoHash,e.swarm.peerId,e.swarm.handshakeOpts),e.sentHandshake=!0},r.prototype.setConnectTimeout=function(){var e=this;
+clearTimeout(e.connectTimeout),e.connectTimeout=setTimeout(function(){e.destroy(new Error("connect timeout"))},u),e.connectTimeout.unref&&e.connectTimeout.unref()},r.prototype.setHandshakeTimeout=function(){var e=this;clearTimeout(e.handshakeTimeout),e.handshakeTimeout=setTimeout(function(){e.destroy(new Error("handshake timeout"))},c),e.handshakeTimeout.unref&&e.handshakeTimeout.unref()},r.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,t.connected=!1,o("destroy %s (error: %s)",t.id,e&&(e.message||e)),clearTimeout(t.connectTimeout),clearTimeout(t.handshakeTimeout);var n=t.swarm,r=t.conn,s=t.wire;if(t.conn=null,t.swarm=null,t.wire=null,n&&s){var a=n.wires.indexOf(s);a>=0&&n.wires.splice(a,1)}r&&(r.on("error",i),r.destroy()),s&&s.destroy(),n&&n.removePeer(t.id)}}},{"./webconn":10,"bittorrent-protocol":11,debug:71}],10:[function(e,t,n){function r(e,t){var n=this;c.call(this),n.url=e,n.webPeerId=u.sync(e),n.parsedTorrent=t,n.setKeepAlive(!0),n.on("handshake",function(e,t){n.handshake(e,n.webPeerId);for(var r=n.parsedTorrent.pieces.length,o=new i(r),s=0;r>=s;s++)o.set(s,!0);n.bitfield(o)}),n.on("choke",function(){o("choke")}),n.on("unchoke",function(){o("unchoke")}),n.once("interested",function(){o("interested"),n.unchoke()}),n.on("uninterested",function(){o("uninterested")}),n.on("bitfield",function(){o("bitfield")}),n.on("request",function(e,t,r,i){o("request pieceIndex=%d offset=%d length=%d",e,t,r),n.httpRequest(e,t,r,i)})}t.exports=r;var i=e("bitfield"),o=e("debug")("bittorrent-swarm:webconn"),s=e("simple-get"),a=e("inherits"),u=e("simple-sha1"),c=e("bittorrent-protocol");a(r,c),r.prototype.httpRequest=function(e,t,n,r){var i=this,a=e*i.parsedTorrent.pieceLength,u=a+t,c=u+n-1;o("Requesting pieceIndex=%d offset=%d length=%d start=%d end=%d",e,t,n,u,c);var f={url:i.url,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+u+"-"+c}};s.concat(f,function(e,t,n){return e?r(e):t.statusCode<200||t.statusCode>=300?r(new Error("Unexpected HTTP status code "+t.statusCode)):(o("Got data of length %d",n.length),void r(null,n))})}},{bitfield:7,"bittorrent-protocol":11,debug:71,inherits:79,"simple-get":131,"simple-sha1":139}],11:[function(e,t,n){(function(n){function r(e,t,n,r){this.piece=e,this.offset=t,this.length=n,this.callback=r}function i(){return this instanceof i?(l.Duplex.call(this),this._debugId=f(32),this._debug("new wire"),this.peerId=null,this.peerIdBuffer=null,this.amChoking=!0,this.amInterested=!1,this.peerChoking=!0,this.peerInterested=!1,this.peerPieces=new a(0,{grow:p}),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=h(),this.downloadSpeed=h(),this._keepAliveInterval=null,this._timeout=null,this._timeoutMs=0,this.destroyed=!1,this._finished=!1,this._buffer=[],this._bufferSize=0,this._parser=null,this._parserSize=0,this.on("finish",this._onfinish),void this._parseHandshake()):new i}function o(e,t,n,r){for(var i=0;i<e.length;i++){var o=e[i];if(o.piece===t&&o.offset===n&&o.length===r)return 0===i?e.shift():e.splice(i,1),o}return null}t.exports=i;var s=e("bencode"),a=e("bitfield"),u=e("debug")("bittorrent-protocol"),c=e("xtend"),f=e("hat"),d=e("inherits"),h=e("speedometer"),l=e("stream"),p=4e5,m=new n("BitTorrent protocol"),g=new n([0,0,0,0]),y=new n([0,0,0,1,0]),v=new n([0,0,0,1,1]),_=new n([0,0,0,1,2]),b=new n([0,0,0,1,3]),w=[0,0,0,0,0,0,0,0],E=[0,0,0,3,9,0,0];d(i,l.Duplex),i.prototype.setKeepAlive=function(e){this._debug("setKeepAlive %s",e),clearInterval(this._keepAliveInterval),e!==!1&&(this._keepAliveInterval=setInterval(this.keepAlive.bind(this),6e4))},i.prototype.setTimeout=function(e,t){this._debug("setTimeout ms=%d unref=%s",e,t),this._clearTimeout(),this._timeoutMs=e,this._timeoutUnref=!!t,this._updateTimeout()},i.prototype.destroy=function(){this.destroyed||(this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end())},i.prototype.end=function(){this._debug("end"),this._onUninterested(),this._onChoke(),l.Duplex.prototype.end.apply(this,arguments)},i.prototype.use=function(e){function t(){}var n=e.prototype.name;if(!n)throw new Error('Extension class requires a "name" property on the prototype');this._debug("use extension.name=%s",n);var r=this._nextExt,i=new e(this);"function"!=typeof i.onHandshake&&(i.onHandshake=t),"function"!=typeof i.onExtendedHandshake&&(i.onExtendedHandshake=t),"function"!=typeof i.onMessage&&(i.onMessage=t),this.extendedMapping[r]=n,this._ext[n]=i,this[n]=i,this._nextExt+=1},i.prototype.keepAlive=function(){this._debug("keep-alive"),this._push(g)},i.prototype.handshake=function(e,t,r){var i,o;if("string"==typeof e?i=new n(e,"hex"):(i=e,e=i.toString("hex")),"string"==typeof t?o=new n(t,"hex"):(o=t,t=o.toString("hex")),20!==i.length||20!==o.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,r);var s=new n(w);s[5]|=16,r&&r.dht&&(s[7]|=1),this._push(n.concat([m,s,i,o])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},i.prototype._sendExtendedHandshake=function(){var e=c(this.extendedHandshake);e.m={};for(var t in this.extendedMapping){var n=this.extendedMapping[t];e.m[n]=Number(t)}this.extended(0,s.encode(e)),this._extendedHandshakeSent=!0},i.prototype.choke=function(){this.amChoking||(this.amChoking=!0,this._debug("choke"),this.peerRequests.splice(0,this.peerRequests.length),this._push(y))},i.prototype.unchoke=function(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(v))},i.prototype.interested=function(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(_))},i.prototype.uninterested=function(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(b))},i.prototype.have=function(e){this._debug("have %d",e),this._message(4,[e],null)},i.prototype.bitfield=function(e){this._debug("bitfield"),n.isBuffer(e)||(e=e.buffer),this._message(5,[],e)},i.prototype.request=function(e,t,n,i){return i||(i=function(){}),this._finished?i(new Error("wire is closed")):this.peerChoking?i(new Error("peer is choking")):(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new r(e,t,n,i)),this._updateTimeout(),void this._message(6,[e,t,n],null))},i.prototype.piece=function(e,t,n){this._debug("piece index=%d offset=%d",e,t),this.uploaded+=n.length,this.uploadSpeed(n.length),this.emit("upload",n.length),this._message(7,[e,t],n)},i.prototype.cancel=function(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(o(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)},i.prototype.port=function(e){this._debug("port %d",e);var t=new n(E);t.writeUInt16BE(e,5),this._push(t)},i.prototype.extended=function(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"!=typeof e)throw new Error("Unrecognized extension: "+e);var r=new n([e]),i=n.isBuffer(t)?t:s.encode(t);this._message(20,[],n.concat([r,i]))},i.prototype._onKeepAlive=function(){this._debug("got keep-alive"),this.emit("keep-alive")},i.prototype._onHandshake=function(e,t,n){var r=e.toString("hex"),i=t.toString("hex");this._debug("got handshake i=%s p=%s exts=%o",r,i,n),this.peerId=i,this.peerIdBuffer=t,this.peerExtensions=n,this.emit("handshake",r,i,n);var o;for(o in this._ext)this._ext[o].onHandshake(r,i,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},i.prototype._onChoke=function(){for(this.peerChoking=!0,this._debug("got choke"),this.emit("choke");this.requests.length;)this._callback(this.requests.shift(),new Error("peer is choking"),null)},i.prototype._onUnchoke=function(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")},i.prototype._onInterested=function(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")},i.prototype._onUninterested=function(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")},i.prototype._onHave=function(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))},i.prototype._onBitField=function(e){this.peerPieces=new a(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)},i.prototype._onRequest=function(e,t,n){if(!this.amChoking){this._debug("got request index=%d offset=%d length=%d",e,t,n);var i=function(r,i){return s===o(this.peerRequests,e,t,n)?r?this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,r.message):void this.piece(e,t,i):void 0}.bind(this),s=new r(e,t,n,i);this.peerRequests.push(s),this.emit("request",e,t,n,i)}},i.prototype._onPiece=function(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(o(this.requests,e,t,n.length),null,n),this.downloaded+=n.length,this.downloadSpeed(n.length),this.emit("download",n.length),this.emit("piece",e,t,n)},i.prototype._onCancel=function(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),o(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)},i.prototype._onPort=function(e){this._debug("got port %d",e),this.emit("port",e)},i.prototype._onExtended=function(e,t){if(0===e){var n;try{n=s.decode(t)}catch(r){this._debug("ignoring invalid extended handshake: %s",r.message||r)}if(!n)return;this.peerExtendedHandshake=n;var i;if("object"==typeof n.m)for(i in n.m)this.peerExtendedMapping[i]=Number(n.m[i].toString());for(i in this._ext)this.peerExtendedMapping[i]&&this._ext[i].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[e]&&(e=this.extendedMapping[e],this._ext[e]&&this._ext[e].onMessage(t)),this._debug("got extended message ext=%s",e),this.emit("extended",e,t)},i.prototype._onTimeout=function(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")},i.prototype._push=function(e){return this._finished?void 0:this.push(e)},i.prototype._write=function(e,t,r){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){var i=1===this._buffer.length?this._buffer[0]:n.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[i.slice(this._parserSize)]:[],this._parser(i.slice(0,this._parserSize))}r(null)},i.prototype._read=function(){},i.prototype._callback=function(e,t,n){e&&(this._clearTimeout(),this.peerChoking||this._finished||this._updateTimeout(),e.callback(t,n))},i.prototype._clearTimeout=function(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)},i.prototype._updateTimeout=function(){this._timeoutMs&&this.requests.length&&!this._timeout&&(this._timeout=setTimeout(this._onTimeout.bind(this),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref())},i.prototype._parse=function(e,t){this._parserSize=e,this._parser=t},i.prototype._message=function(e,t,r){var i=r?r.length:0,o=new n(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),r&&this._push(r)},i.prototype._onmessagelength=function(e){var t=e.readUInt32BE(0);t>0?this._parse(t,this._onmessage):(this._onKeepAlive(),this._parse(4,this._onmessagelength))},i.prototype._onmessage=function(e){switch(this._parse(4,this._onmessagelength),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._debug("got unknown message"),this.emit("unknownmessage",e)}},i.prototype._parseHandshake=function(){this._parse(1,function(e){var t=e.readUInt8(0);this._parse(t+48,function(e){var n=e.slice(0,t);return"BitTorrent protocol"!==n.toString()?(this._debug("Error: wire not speaking BitTorrent protocol (%s)",n.toString()),void this.end()):(e=e.slice(t),this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(1&e[7]),extended:!!(16&e[5])}),void this._parse(4,this._onmessagelength))}.bind(this))}.bind(this))},i.prototype._onfinish=function(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,function(){}),this.peerRequests=[];this.requests.length;)this._callback(this.requests.shift(),new Error("wire was closed"),null)},i.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],u.apply(null,e)}}).call(this,e("buffer").Buffer)},{bencode:12,bitfield:7,buffer:26,debug:71,hat:77,inherits:79,speedometer:141,stream:39,xtend:156}],12:[function(e,t,n){t.exports={encode:e("./lib/encode"),decode:e("./lib/decode")}},{"./lib/decode":13,"./lib/encode":15}],13:[function(e,t,n){(function(n){function r(e,t){return r.position=0,r.encoding=t||null,r.data=n.isBuffer(e)?e:new n(e),r.next()}var i=e("./dict");r.position=0,r.data=null,r.encoding=null,r.next=function(){switch(r.data[r.position]){case 100:return r.dictionary();case 108:return r.list();case 105:return r.integer();default:return r.bytes()}},r.find=function(e){for(var t=r.position,n=r.data.length,i=r.data;n>t;){if(i[t]===e)return t;t++}throw new Error('Invalid data: Missing delimiter "'+String.fromCharCode(e)+'" [0x'+e.toString(16)+"]")},r.dictionary=function(){r.position++;for(var e=new i;101!==r.data[r.position];)e.binarySet(r.bytes(),r.next());return r.position++,e},r.list=function(){r.position++;for(var e=[];101!==r.data[r.position];)e.push(r.next());return r.position++,e},r.integer=function(){var e=r.find(101),t=r.data.toString("ascii",r.position+1,e);return r.position+=e+1-r.position,parseInt(t,10)},r.bytes=function(){var e=r.find(58),t=parseInt(r.data.toString("ascii",r.position,e),10),n=++e+t;return r.position=n,r.encoding?r.data.toString(r.encoding,e,n):r.data.slice(e,n)},t.exports=r}).call(this,e("buffer").Buffer)},{"./dict":14,buffer:26}],14:[function(e,t,n){var r=t.exports=function(){Object.defineProperty(this,"_keys",{enumerable:!1,value:[]})};r.prototype.binaryKeys=function(){return this._keys.slice()},r.prototype.binarySet=function(e,t){this._keys.push(e),this[e]=t}},{}],15:[function(e,t,n){(function(e){function n(t){var r=[];return n._encode(r,t),e.concat(r)}n._floatConversionDetected=!1,n._encode=function(t,r){if(e.isBuffer(r))return t.push(new e(r.length+":")),void t.push(r);switch(typeof r){case"string":n.bytes(t,r);break;case"number":n.number(t,r);break;case"object":r.constructor===Array?n.list(t,r):n.dict(t,r)}};var r=new e("e"),i=new e("d"),o=new e("l");n.bytes=function(t,n){t.push(new e(e.byteLength(n)+":"+n))},n.number=function(t,r){var i=2147483648,o=r/i<<0,s=r%i<<0,a=o*i+s;t.push(new e("i"+a+"e")),a===r||n._floatConversionDetected||(n._floatConversionDetected=!0,console.warn('WARNING: Possible data corruption detected with value "'+r+'":','Bencoding only defines support for integers, value was converted to "'+a+'"'),console.trace())},n.dict=function(e,t){e.push(i);for(var o,s=0,a=Object.keys(t).sort(),u=a.length;u>s;s++)o=a[s],n.bytes(e,o),n._encode(e,t[o]);e.push(r)},n.list=function(e,t){var i=0,s=t.length;for(e.push(o);s>i;i++)n._encode(e,t[i]);e.push(r)},t.exports=n}).call(this,e("buffer").Buffer)},{buffer:26}],16:[function(e,t,n){(function(n,r){function i(e,t,a,u){var c=this;if(!(c instanceof i))return new i(e,t,a,u);o.call(c),u||(u={}),c.peerId="string"==typeof e?e:e.toString("hex"),c.peerIdBuffer=new r(c.peerId,"hex"),c._peerIdBinary=c.peerIdBuffer.toString("binary"),c.infoHash="string"==typeof a.infoHash?a.infoHash:a.infoHash.toString("hex"),c.infoHashBuffer=new r(c.infoHash,"hex"),c._infoHashBinary=c.infoHashBuffer.toString("binary"),c.torrentLength=a.length,c.destroyed=!1,c._port=t,c._rtcConfig=u.rtcConfig,c._wrtc=u.wrtc,s("new client %s",c.infoHash);var h=!!c._wrtc||"undefined"!=typeof window,g="string"==typeof a.announce?[a.announce]:null==a.announce?[]:a.announce;g=g.map(function(e){return e=e.toString(),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e}),g=f(g),c._trackers=g.map(function(e){var t=d.parse(e).protocol;return"http:"!==t&&"https:"!==t||"function"!=typeof l?"udp:"===t&&"function"==typeof p?new p(c,e):"ws:"!==t&&"wss:"!==t||!h?(n.nextTick(function(){var t=new Error("unsupported tracker protocol for "+e);c.emit("warning",t)}),null):new m(c,e):new l(c,e)}).filter(Boolean)}t.exports=i;var o=e("events").EventEmitter,s=e("debug")("bittorrent-tracker"),a=e("inherits"),u=e("once"),c=e("run-parallel"),f=e("uniq"),d=e("url"),h=e("./lib/common"),l=e("./lib/client/http-tracker"),p=e("./lib/client/udp-tracker"),m=e("./lib/client/websocket-tracker");a(i,o),i.scrape=function(e,t,n){n=u(n);var o=new r("01234567890123456789"),s=6881,a={infoHash:Array.isArray(t)?t[0]:t,announce:[e]},c=new i(o,s,a);c.once("error",n);var f=Array.isArray(t)?t.length:1,d={};c.on("scrape",function(e){if(f-=1,d[e.infoHash]=e,0===f){c.destroy();var t=Object.keys(d);1===t.length?n(null,d[t[0]]):n(null,d)}}),t=Array.isArray(t)?t.map(function(e){return new r(e,"hex")}):new r(t,"hex"),c.scrape({infoHash:t})},i.prototype.start=function(e){var t=this;s("send `start`"),e=t._defaultAnnounceOpts(e),e.event="started",t._announce(e),t._trackers.forEach(function(e){e.setInterval()})},i.prototype.stop=function(e){var t=this;s("send `stop`"),e=t._defaultAnnounceOpts(e),e.event="stopped",t._announce(e)},i.prototype.complete=function(e){var t=this;s("send `complete`"),e||(e={}),null==e.downloaded&&null!=t.torrentLength&&(e.downloaded=t.torrentLength),e=t._defaultAnnounceOpts(e),e.event="completed",t._announce(e)},i.prototype.update=function(e){var t=this;s("send `update`"),e=t._defaultAnnounceOpts(e),e.event&&delete e.event,t._announce(e)},i.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})},i.prototype.scrape=function(e){var t=this;s("send `scrape`"),e||(e={}),t._trackers.forEach(function(t){t.scrape(e)})},i.prototype.setInterval=function(e){var t=this;s("setInterval %d",e),t._trackers.forEach(function(t){t.setInterval(e)})},i.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,s("destroy");var n=t._trackers.map(function(e){return function(t){e.destroy(t)}});c(n,e),t._trackers=[]}},i.prototype._defaultAnnounceOpts=function(e){var t=this;return e||(e={}),null==e.numwant&&(e.numwant=h.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),null==e.left&&null!=t.torrentLength&&(e.left=t.torrentLength-e.downloaded),e}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/client/http-tracker":25,"./lib/client/udp-tracker":25,"./lib/client/websocket-tracker":18,"./lib/common":19,_process:34,buffer:26,debug:71,events:30,inherits:79,once:21,"run-parallel":130,uniq:150,url:46}],17:[function(e,t,n){function r(e,t){var n=this;i.call(n),n.client=e,n.announceUrl=t,n.interval=null,n.destroyed=!1}t.exports=r;var i=e("events").EventEmitter,o=e("inherits");o(r,i),r.prototype.setInterval=function(e){var t=this;if(null==e&&(e=t.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(t.interval),e){var n=t.announce.bind(t,t.client._defaultAnnounceOpts());t.interval=setInterval(n,e),t.interval.unref&&t.interval.unref()}}},{events:30,inherits:79}],18:[function(e,t,n){function r(e,t,n){var r=this;d.call(r,e,t),o("new websocket tracker %s",t),r.peers={},r.socket=null,r.reconnecting=!1,r._openSocket()}function i(){}t.exports=r;var o=e("debug")("bittorrent-tracker:websocket-tracker"),s=e("hat"),a=e("inherits"),u=e("simple-peer"),c=e("simple-websocket"),f=e("../common"),d=e("./tracker"),h={},l=3e4,p=5e3,m=5e4;a(r,d),r.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,r.prototype.announce=function(e){var t=this;if(!t.destroyed&&!t.reconnecting){if(!t.socket.connected)return t.socket.once("connect",t.announce.bind(t,e));var n=Math.min(e.numwant,10);t._generateOffers(n,function(r){var i={numwant:n,uploaded:e.uploaded||0,downloaded:e.downloaded,event:e.event,info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,offers:r};t._trackerId&&(i.trackerid=t._trackerId),t._send(i)})}},r.prototype.scrape=function(e){var t=this;t.destroyed||t.reconnecting||t._onSocketError(new Error("scrape not supported "+t.announceUrl))},r.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,clearInterval(t.interval),h[t.announceUrl]=null,t.socket.removeListener("connect",t._onSocketConnectBound),t.socket.removeListener("data",t._onSocketDataBound),t.socket.removeListener("close",t._onSocketCloseBound),t.socket.removeListener("error",t._onSocketErrorBound),t._onSocketConnectBound=null,t._onSocketErrorBound=null,t._onSocketDataBound=null,t._onSocketCloseBound=null,t.socket.on("error",i);try{t.socket.destroy(e)}catch(n){e&&e()}t.socket=null}},r.prototype._openSocket=function(){var e=this;e.destroyed=!1,e._onSocketConnectBound=e._onSocketConnect.bind(e),e._onSocketErrorBound=e._onSocketError.bind(e),e._onSocketDataBound=e._onSocketData.bind(e),e._onSocketCloseBound=e._onSocketClose.bind(e),e.socket=h[e.announceUrl],e.socket||(e.socket=h[e.announceUrl]=new c(e.announceUrl),e.socket.on("connect",e._onSocketConnectBound)),e.socket.on("data",e._onSocketDataBound),e.socket.on("close",e._onSocketCloseBound),e.socket.on("error",e._onSocketErrorBound)},r.prototype._onSocketConnect=function(){var e=this;e.destroyed||e.reconnecting&&(e.reconnecting=!1,e.announce(e.client._defaultAnnounceOpts()))},r.prototype._onSocketData=function(e){var t=this;if(!t.destroyed){if("object"!=typeof e||null===e)return t.client.emit("warning",new Error("Invalid tracker response"));if(e.info_hash!==t.client._infoHashBinary)return void o("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,f.binaryToHex(e.info_hash),t.client.infoHash);if(!e.peer_id||e.peer_id!==t.client._peerIdBinary){o("received %s from %s for %s",JSON.stringify(e),t.announceUrl,t.client.infoHash);var n=e["failure reason"];if(n)return t.client.emit("warning",new Error(n));var r=e["warning message"];r&&t.client.emit("warning",new Error(r));var i=e.interval||e["min interval"];i&&t.setInterval(1e3*i);var s=e["tracker id"];s&&(t._trackerId=s),e.complete&&t.client.emit("update",{announce:t.announceUrl,complete:e.complete,incomplete:e.incomplete});var a;if(e.offer&&e.peer_id&&(o("creating peer (from remote offer)"),a=new u({trickle:!1,config:t.client._rtcConfig,wrtc:t.client._wrtc}),a.id=f.binaryToHex(e.peer_id),a.once("signal",function(n){var r={info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,to_peer_id:e.peer_id,answer:n,offer_id:e.offer_id};t._trackerId&&(r.trackerid=t._trackerId),t._send(r)}),a.signal(e.offer),t.client.emit("peer",a)),e.answer&&e.peer_id){var c=f.binaryToHex(e.offer_id);a=t.peers[c],a?(a.id=f.binaryToHex(e.peer_id),a.signal(e.answer),t.client.emit("peer",a),clearTimeout(a.trackerTimeout),a.trackerTimeout=null,t.peers[c]=null):o("got unexpected answer: "+JSON.stringify(e.answer))}}}},r.prototype._onSocketClose=function(){var e=this;e.destroyed||(e.destroy(),e._startReconnectTimer())},r.prototype._onSocketError=function(e){var t=this;t.destroyed||(t.destroy(),t.client.emit("warning",e),t._startReconnectTimer())},r.prototype._startReconnectTimer=function(){var e=this,t=Math.floor(Math.random()*l)+p;e.reconnecting=!0;var n=setTimeout(function(){e._openSocket()},t);n.unref&&n.unref(),o("reconnecting socket in %s ms",t)},r.prototype._send=function(e){var t=this;if(!t.destroyed){var n=JSON.stringify(e);o("send %s",n),t.socket.send(n)}},r.prototype._generateOffers=function(e,t){function n(){var e=s(160);o("creating peer (from _generateOffers)");var t=i.peers[e]=new u({initiator:!0,trickle:!1,config:i.client._rtcConfig,wrtc:i.client._wrtc});t.once("signal",function(t){a.push({offer:t,offer_id:f.hexToBinary(e)}),r()}),t.trackerTimeout=setTimeout(function(){o("tracker timeout: destroying peer"),t.trackerTimeout=null,i.peers[e]=null,t.destroy()},m)}function r(){a.length===e&&(o("generated %s offers",e),t(a))}var i=this,a=[];o("generating %s offers",e);for(var c=0;e>c;++c)n()}},{"../common":19,"./tracker":17,debug:71,hat:77,inherits:79,"simple-peer":134,"simple-websocket":22}],19:[function(e,t,n){(function(t){var r=e("xtend/mutable");n.DEFAULT_ANNOUNCE_PEERS=50,n.MAX_ANNOUNCE_PEERS=82,n.binaryToHex=function(e){return new t(e,"binary").toString("hex")},n.hexToBinary=function(e){return new t(e,"hex").toString("binary")};var i=e("./common-node");r(n,i)}).call(this,e("buffer").Buffer)},{"./common-node":25,buffer:26,"xtend/mutable":157}],20:[function(e,t,n){function r(e,t){function n(){for(var t=new Array(arguments.length),n=0;n<t.length;n++)t[n]=arguments[n];var r=e.apply(this,t),i=t[t.length-1];return"function"==typeof r&&r!==i&&Object.keys(i).forEach(function(e){r[e]=i[e]}),r}if(e&&t)return r(e)(t);if("function"!=typeof e)throw new TypeError("need wrapper function");return Object.keys(e).forEach(function(t){n[t]=e[t]}),n}t.exports=r},{}],21:[function(e,t,n){function r(e){var t=function(){return t.called?t.value:(t.called=!0,t.value=e.apply(this,arguments))};return t.called=!1,t}var i=e("wrappy");t.exports=i(r),r.proto=r(function(){Object.defineProperty(Function.prototype,"once",{value:function(){return r(this)},configurable:!0})})},{wrappy:20}],22:[function(e,t,n){(function(n){function r(e,t){var n=this;return n instanceof r?(t||(t={}),i("new websocket: %s %o",e,t),t.allowHalfOpen=!1,null==t.highWaterMark&&(t.highWaterMark=1048576),a.Duplex.call(n,t),n.url=e,n.connected=!1,n.destroyed=!1,n._maxBufferedAmount=t.highWaterMark,n._chunk=null,n._cb=null,n._interval=null,n._ws=new c(n.url),n._ws.binaryType="arraybuffer",n._ws.onopen=n._onOpen.bind(n),n._ws.onmessage=n._onMessage.bind(n),n._ws.onclose=n._onClose.bind(n),n._ws.onerror=function(){n._onError(new Error("connection error to "+n.url))},void n.on("finish",function(){n.connected?setTimeout(function(){n._destroy()},100):n.once("connect",function(){setTimeout(function(){n._destroy()},100)})})):new r(e,t)}t.exports=r;var i=e("debug")("simple-websocket"),o=e("inherits"),s=e("is-typedarray"),a=e("stream"),u=e("ws"),c="undefined"!=typeof window?window.WebSocket:u;o(r,a.Duplex),r.WEBSOCKET_SUPPORT=!!c,r.prototype.send=function(e){var t=this;s.strict(e)||e instanceof ArrayBuffer||n.isBuffer(e)||"string"==typeof e||"undefined"!=typeof Blob&&e instanceof Blob||(e=JSON.stringify(e));var r=e.length||e.byteLength||e.size;t._ws.send(e),i("write: %d bytes",r)},r.prototype.destroy=function(e){var t=this;t._destroy(null,e)},r.prototype._destroy=function(e,t){var n=this;if(!n.destroyed){if(t&&n.once("close",t),i("destroy (error: %s)",e&&e.message),this.readable=this.writable=!1,n._readableState.ended||n.push(null),n._writableState.finished||n.end(),n.connected=!1,n.destroyed=!0,clearInterval(n._interval),n._interval=null,n._chunk=null,n._cb=null,n._ws){var r=n._ws,o=function(){r.onclose=null,n.emit("close")};if(r.readyState===c.CLOSED)o();else try{r.onclose=o,r.close()}catch(e){o()}r.onopen=null,r.onmessage=null,r.onerror=null}n._ws=null,e&&n.emit("error",e)}},r.prototype._read=function(){},r.prototype._write=function(e,t,n){var r=this;if(r.destroyed)return n(new Error("cannot write after socket is destroyed"));if(r.connected){try{r.send(e)}catch(o){return r._onError(o)}"function"!=typeof u&&r._ws.bufferedAmount>r._maxBufferedAmount?(i("start backpressure: bufferedAmount %d",r._ws.bufferedAmount),r._cb=n):n(null)}else i("write before connect"),r._chunk=e,r._cb=n},r.prototype._onMessage=function(e){var t=this;if(!t.destroyed){var r=e.data;if(i("read: %d bytes",r.byteLength||r.length),r instanceof ArrayBuffer)r=new n(r),t.push(r);else if(n.isBuffer(r))t.push(r);else{try{r=JSON.parse(r)}catch(o){}t.emit("data",r)}}},r.prototype._onOpen=function(){var e=this;if(!e.connected&&!e.destroyed){if(e.connected=!0,e._chunk){try{e.send(e._chunk)}catch(t){return e._onError(t)}e._chunk=null,i('sent chunk from "write before connect"');var n=e._cb;e._cb=null,n(null)}"function"!=typeof u&&(e._interval=setInterval(function(){if(e._cb&&e._ws&&!(e._ws.bufferedAmount>e._maxBufferedAmount)){i("ending backpressure: bufferedAmount %d",e._ws.bufferedAmount);var t=e._cb;e._cb=null,t(null)}},150),e._interval.unref&&e._interval.unref()),i("connect"),e.emit("connect")}},r.prototype._onClose=function(){var e=this;e.destroyed||(i("on close"),e._destroy())},r.prototype._onError=function(e){var t=this;t.destroyed||(i("error: %s",e.message||e),t._destroy(e))}}).call(this,e("buffer").Buffer)},{buffer:26,debug:71,inherits:79,"is-typedarray":23,stream:39,ws:25}],23:[function(e,t,n){function r(e){return i(e)||o(e)}function i(e){return e instanceof Int8Array||e instanceof Int16Array||e instanceof Int32Array||e instanceof Uint8Array||e instanceof Uint8ClampedArray||e instanceof Uint16Array||e instanceof Uint32Array||e instanceof Float32Array||e instanceof Float64Array}function o(e){return a[s.call(e)]}t.exports=r,r.strict=i,r.loose=o;var 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n.controls=!0,n.autoplay=!0,n.play(),t.appendChild(n),n}function i(e){var n=document.createElement(e);return t.appendChild(n),n}if(n||(n=function(){}),u(e),"string"==typeof t&&(t=document.querySelector(t)),t&&("VIDEO"===t.nodeName||"AUDIO"===t.nodeName))throw new Error("Invalid video/audio node argument. 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You can still share or download "+e.name+" (once it's fully downloaded). 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f=n.mime=e("./lib/mime.json"),d=e("debug")("render-media"),h=e("is-ascii"),l=e("mediasource"),p=e("path"),m=e("stream-to-blob-url"),g=e("videostream"),y=[".mp4",".m4v",".m4a"],v=[".mp4",".m4v",".webm"],_=[".m4a",".mp3"],b=v.concat(_),w=[".wav",".aac",".ogg",".oga"],E=[".jpg",".jpeg",".png",".gif",".bmp"],k=[".css",".html",".js",".md",".pdf",".txt"],x="undefined"!=typeof window&&window.MediaSource}).call(this,e("_process"))},{"./lib/mime.json":113,_process:34,debug:71,"is-ascii":114,mediasource:115,path:33,"stream-to-blob-url":142,videostream:128}],113:[function(e,t,n){t.exports={".3gp":"video/3gpp",".aac":"audio/aac",".aif":"audio/x-aiff",".aiff":"audio/x-aiff",".atom":"application/atom+xml",".avi":"video/x-msvideo",".bmp":"image/bmp",".bz2":"application/x-bzip2",".conf":"text/plain",".css":"text/css",".csv":"text/csv",".diff":"text/x-diff",".doc":"application/msword",".flv":"video/x-flv",".gif":"image/gif",".gz":"application/x-gzip",".htm":"text/html",".html":"text/html",".ico":"image/vnd.microsoft.icon",".ics":"text/calendar",".iso":"application/octet-stream",".jar":"application/java-archive",".jpeg":"image/jpeg",".jpg":"image/jpeg",".js":"application/javascript",".json":"application/json",".less":"text/css",".log":"text/plain",".m3u":"audio/x-mpegurl",".m4a":"audio/mp4",".m4v":"video/mp4",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},{}],114:[function(e,t,n){var r=127;t.exports=function(e){for(var t=0,n=e.length;n>t;++t)if(e.charCodeAt(t)>r)return!1;return!0}},{}],115:[function(e,t,n){function r(e,t){var n=this;if(!(n instanceof r))return new r(e,t);if(!u)throw new Error("web browser lacks MediaSource support");t||(t={}),n._bufferDuration=t.bufferDuration||c,n._elem=e,n._mediaSource=new u,n._streams=[],n.detailedError=null,n._errorHandler=function(){n._elem.removeEventListener("error",n._errorHandler);var e=n._streams.slice();e.forEach(function(e){e.destroy(n._elem.error)})},n._elem.addEventListener("error",n._errorHandler),n._elem.src=window.URL.createObjectURL(n._mediaSource)}function i(e,t){var n=this;if(s.Writable.call(n),n._wrapper=e,n._elem=e._elem,n._mediaSource=e._mediaSource,n._allStreams=e._streams,n._allStreams.push(n),n._bufferDuration=e._bufferDuration,n._openHandler=n._onSourceOpen.bind(n,t),n._flowHandler=n._flow.bind(n),"string"==typeof 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t=this;t.detailedError||(t.detailedError=e);try{t._mediaSource.endOfStream("decode")}catch(e){}},o(i,s.Writable),i.prototype._onSourceOpen=function(e){var t=this;t.destroyed||(t._mediaSource.removeEventListener("sourceopen",t._openHandler),t._createSourceBuffer(e))},i.prototype.destroy=function(e){var t=this;t.destroyed||(t.destroyed=!0,t._allStreams.splice(t._allStreams.indexOf(t),1),t._mediaSource.removeEventListener("sourceopen",t._openHandler),t._elem.removeEventListener("timeupdate",t._flowHandler),t._sourceBuffer&&(t._sourceBuffer.removeEventListener("updateend",t._flowHandler),"open"===t._mediaSource.readyState&&t._sourceBuffer.abort()),e&&t.emit("error",e),t.emit("close"))},i.prototype._createSourceBuffer=function(e){var t=this;if(!t.destroyed)if(u.isTypeSupported(e)){if(t._sourceBuffer=t._mediaSource.addSourceBuffer(e),t._sourceBuffer.addEventListener("updateend",t._flowHandler),t._cb){var n=t._cb;t._cb=null,n()}}else t.destroy(new Error("The provided type is not 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t=this;a.call(t),t._tracks=[],t._fragmentSequence=1,t._file=e,t._decoder=null,t._findMoov(0)}function i(e,t){var n=this;n._entries=e,n._countName=t||"count",n._index=0,n._offset=0,n.value=n._entries[0]}function o(){return{version:0,flags:0,entries:[]}}var s=e("binary-search"),a=e("events"),u=e("inherits"),c=e("mp4-stream"),f=e("mp4-box-encoding"),d=e("range-slice-stream");t.exports=r,u(r,a),r.prototype._findMoov=function(e){var t=this;t._decoder&&t._decoder.destroy(),t._decoder=c.decode();var n=t._file.createReadStream({start:e});n.pipe(t._decoder),t._decoder.once("box",function(r){"moov"===r.type?t._decoder.decode(function(e){n.destroy(),t._processMoov(e)}):(n.destroy(),t._findMoov(e+r.length))})},i.prototype.inc=function(){var e=this;e._offset++,e._offset>=e._entries[e._index][e._countName]&&(e._index++,e._offset=0),e.value=e._entries[e._index]},r.prototype._processMoov=function(e){var t=this,n=e.traks;t._tracks=[],t._hasVideo=!1,t._hasAudio=!1;for(var r=0;r<n.length;r++){var s,a,u=n[r],c=u.mdia.minf.stbl,f=c.stsd.entries[0],d=u.mdia.hdlr.handlerType;if("vide"===d&&"avc1"===f.type){if(t._hasVideo)continue;t._hasVideo=!0,s="avc1",f.avcC&&(s+="."+f.avcC.mimeCodec),a='video/mp4; codecs="'+s+'"'}else{if("soun"!==d||"mp4a"!==f.type)continue;if(t._hasAudio)continue;t._hasAudio=!0,s="mp4a",f.esds&&f.esds.mimeCodec&&(s+="."+f.esds.mimeCodec),a='audio/mp4; codecs="'+s+'"'}var h=[],l=0,p=0,m=0,g=0,y=0,v=0,_=new i(c.stts.entries),b=null;c.ctts&&(b=new i(c.ctts.entries));for(var w=0;;){var E=c.stsc.entries[y],k=c.stsz.entries[l],x=_.value.duration,S=b?b.value.compositionOffset:0,B=!0;if(c.stss&&(B=c.stss.entries[w]===l+1),h.push({size:k,duration:x,dts:v,presentationOffset:S,sync:B,offset:g+c.stco.entries[m]}),l++,l>=c.stsz.entries.length)break;if(p++,g+=k,p>=E.samplesPerChunk){p=0,g=0,m++;var I=c.stsc.entries[y+1];I&&m+1>=I.firstChunk&&y++}v+=x,_.inc(),b&&b.inc(),B&&w++}u.mdia.mdhd.duration=0,u.tkhd.duration=0;var A=E.sampleDescriptionId,C={type:"moov",mvhd:e.mvhd,traks:[{tkhd:u.tkhd,mdia:{mdhd:u.mdia.mdhd,hdlr:u.mdia.hdlr,elng:u.mdia.elng,minf:{vmhd:u.mdia.minf.vmhd,smhd:u.mdia.minf.smhd,dinf:u.mdia.minf.dinf,stbl:{stsd:c.stsd,stts:o(),ctts:o(),stsc:o(),stsz:o(),stco:o(),stss:o()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:u.tkhd.trackId,defaultSampleDescriptionIndex:A,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:u.tkhd.trackId,timeScale:u.mdia.mdhd.timeScale,samples:h,currSample:null,currTime:null,moov:C,mime:a})}if(0===t._tracks.length)return void t.emit("error",new Error("no playable tracks"));e.mvhd.duration=0,t._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};var T=t._tracks.map(function(e){return{mime:e.mime}});t.emit("ready",T)},r.prototype.seek=function(e,t){var n=this;if(!n._tracks)throw new Error("Not ready yet; wait for 'ready' 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t=e.concat(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,t},n.prototype.init=function(){return this._flushed?!1:this._buffer?!0:(this._buffer=new Array(this._chunks),this._cancellations=[],this.sources=[],!0)}}).call(this,e("buffer").Buffer)},{buffer:26}],150:[function(e,t,n){"use strict";function r(e,t){for(var n=1,r=e.length,i=e[0],o=e[0],s=1;r>s;++s)if(o=i,i=e[s],t(i,o)){if(s===n){n++;continue}e[n++]=i}return e.length=n,e}function i(e){for(var t=1,n=e.length,r=e[0],i=e[0],o=1;n>o;++o,i=r)if(i=r,r=e[o],r!==i){if(o===t){t++;continue}e[t++]=r}return e.length=t,e}function o(e,t,n){return 0===e.length?e:t?(n||e.sort(t),r(e,t)):(n||e.sort(),i(e))}t.exports=o},{}],151:[function(e,t,n){(function(n){var r=e("bencode"),i=e("bitfield"),o=e("debug")("ut_metadata"),s=e("events").EventEmitter,a=e("inherits"),u=e("simple-sha1"),c=1e7,f=1e3,d=16384;t.exports=function(e){function t(t){s.call(this),this._wire=t,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._fetching=!1,this._bitfield=new i(0,{grow:f}),n.isBuffer(e)&&this.setMetadata(e)}return a(t,s),t.prototype.name="ut_metadata",t.prototype.onHandshake=function(e,t,n){this._infoHash=e},t.prototype.onExtendedHandshake=function(e){return e.m&&e.m.ut_metadata?e.metadata_size?e.metadata_size>c?this.emit("warning",new Error("Peer gave maliciously large metadata size")):(this._metadataSize=e.metadata_size,this._numPieces=Math.ceil(this._metadataSize/d),this._remainingRejects=2*this._numPieces,void(this._fetching&&this._requestPieces())):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))},t.prototype.onMessage=function(e){var t,n;try{var i=e.toString(),o=i.indexOf("ee")+2;t=r.decode(i.substring(0,o)),n=e.slice(o)}catch(s){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,n,t.total_size);break;case 2:this._onReject(t.piece)}},t.prototype.fetch=function(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())},t.prototype.cancel=function(){this._fetching=!1},t.prototype.setMetadata=function(e){if(this._metadataComplete)return!0;o("set metadata");try{var t=r.decode(e).info;t&&(e=r.encode(t))}catch(n){}return this._infoHash&&this._infoHash!==u.sync(e)?!1:(this.cancel(),this.metadata=e,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",r.encode({info:r.decode(this.metadata)})),!0)},t.prototype._send=function(e,t){var i=r.encode(e);n.isBuffer(t)&&(i=n.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,n){var r={msg_type:1,piece:e};"number"==typeof n&&(r.total_size=n),this._send(r,t)},t.prototype._reject=function(e){this._send({msg_type:2,piece:e})},t.prototype._onRequest=function(e){if(!this._metadataComplete)return void this._reject(e);var t=e*d,n=t+d;n>this._metadataSize&&(n=this._metadataSize);var r=this.metadata.slice(t,n);this._data(e,r,this._metadataSize)},t.prototype._onData=function(e,t,n){t.length>d||(t.copy(this.metadata,e*d),this._bitfield.set(e),this._checkDone())},t.prototype._onReject=function(e){this._remainingRejects>0&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("warning",new Error('Peer sent "reject" too much'))},t.prototype._requestPieces=function(){this.metadata=new n(this._metadataSize);for(var e=0;e<this._numPieces;e++)this._request(e)},t.prototype._checkDone=function(){for(var e=!0,t=0;t<this._numPieces;t++)if(!this._bitfield.get(t)){e=!1;break}if(e){var n=this.setMetadata(this.metadata);n||this._failedMetadata()}},t.prototype._failedMetadata=function(){this._bitfield=new i(0,{grow:f}),this._remainingRejects-=this._numPieces,this._remainingRejects>0?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))},t}}).call(this,e("buffer").Buffer)},{bencode:152,bitfield:7,buffer:26,debug:71,events:30,inherits:79,"simple-sha1":139}],152:[function(e,t,n){arguments[4][12][0].apply(n,arguments)},{"./lib/decode":153,"./lib/encode":155,dup:12}],153:[function(e,t,n){arguments[4][13][0].apply(n,arguments)},{"./dict":154,buffer:26,dup:13}],154:[function(e,t,n){arguments[4][14][0].apply(n,arguments)},{dup:14}],155:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{buffer:26,dup:15}],156:[function(e,t,n){function r(){for(var e={},t=0;t<arguments.length;t++){var n=arguments[t];for(var r in n)i.call(n,r)&&(e[r]=n[r])}return e}t.exports=r;var i=Object.prototype.hasOwnProperty},{}],157:[function(e,t,n){function r(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var r in n)i.call(n,r)&&(e[r]=n[r])}return e}t.exports=r;var i=Object.prototype.hasOwnProperty},{}],158:[function(e,t,n){t.exports=function r(e,t,n){return void 0===t?function(t,n){return r(e,t,n)}:(void 0===n&&(n="0"),e-=t.toString().length,e>0?new Array(e+(/\./.test(t)?2:1)).join(n)+t:t+"")}},{}],159:[function(e,t,n){t.exports={version:"0.75.0"}},{}],160:[function(e,t,n){(function(n,r,i){function o(e){function t(){s.destroyed||(s.ready=!0,s.emit("ready"))}var s=this;return s instanceof o?(f.call(s),e||(e={}),u.enabled||s.setMaxListeners(0),s.destroyed=!1,s.torrentPort=e.torrentPort||0,s.tracker=void 0!==e.tracker?e.tracker:!0,s._rtcConfig=e.rtcConfig,s._wrtc=e.wrtc||r.WRTC,s.torrents=[],s._downloadSpeed=_(),s._uploadSpeed=_(),s.maxConns=e.maxConns,s.peerId="string"==typeof e.peerId?e.peerId:(e.peerId||new i(S+h(48))).toString("hex"),s.peerIdBuffer=new i(s.peerId,"hex"),s.nodeId="string"==typeof e.nodeId?e.nodeId:e.nodeId&&e.nodeId.toString("hex")||h(160),s.nodeIdBuffer=new i(s.nodeId,"hex"),e.dht!==!1&&"function"==typeof c?(s.dht=new c(d({nodeId:s.nodeId},e.dht)),s.dht.listen(e.dhtPort)):s.dht=!1,u("new webtorrent (peerId %s, nodeId %s)",s.peerId,s.nodeId),void("function"==typeof p?p(e.blocklist,{headers:{"user-agent":"WebTorrent/"+k+" (http://webtorrent.io)"}},function(e,n){return e?s.error("Failed to load blocklist: "+e.message):(s.blocked=n,void t())}):n.nextTick(t))):new o(e)}function s(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}t.exports=o;var a=e("create-torrent"),u=e("debug")("webtorrent"),c=e("bittorrent-dht/client"),f=e("events").EventEmitter,d=e("xtend"),h=e("hat"),l=e("inherits"),p=e("load-ip-set"),m=e("run-parallel"),g=e("parse-torrent"),y=e("path"),v=e("simple-peer"),_=e("speedometer"),b=e("zero-fill"),w=e("./lib/concat-stream"),E=e("./lib/torrent");t.exports.WEBRTC_SUPPORT=v.WEBRTC_SUPPORT;var k=e("./package.json").version,x=k.match(/([0-9]+)/g).slice(0,2).map(b(2)).join(""),S="-WW"+x+"-";l(o,f),Object.defineProperty(o.prototype,"ratio",{get:function(){var e=this.torrents.reduce(function(e,t){return e+t.uploaded},0),t=this.torrents.reduce(function(e,t){return e+t.downloaded},0)||1;return e/t}}),Object.defineProperty(o.prototype,"downloadSpeed",{get:function(){return this._downloadSpeed()}}),Object.defineProperty(o.prototype,"uploadSpeed",{get:function(){return this._uploadSpeed()}}),o.prototype.get=function(e){var t=this;if(e instanceof E)return e;var n;try{n=g(e)}catch(r){}if(!n)return null;if(!n.infoHash)throw new Error("Invalid torrent identifier");for(var i=0,o=t.torrents.length;o>i;i++){var s=t.torrents[i];if(s.infoHash===n.infoHash)return s}return null},o.prototype.add=o.prototype.download=function(e,t,r){function i(){u("on torrent"),"function"==typeof r&&r(s),o.emit("torrent",s)}var o=this;if(o.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return o.add(e,null,t);u("add"),t=t?d(t):{};var s=o.get(e);return s?s.ready?n.nextTick(i):s.once("ready",i):(s=new E(e,o,t),o.torrents.push(s),s.once("error",function(e){o.emit("error",e,s),o.remove(s)}),s.once("listening",function(e){o.emit("listening",e,s)}),s.once("ready",i)),s},o.prototype.seed=function(e,t,n){function r(e){var t=[function(t){e.load(c,t)}];o.dht&&t.push(function(t){e.once("dhtAnnounce",t)}),m(t,function(t){return o.destroyed?void 0:t?o.emit("error",t,e):void i(e)})}function i(e){u("on seed"),"function"==typeof n&&n(e),o.emit("seed",e)}var o=this;if(o.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return o.seed(e,null,t);u("seed"),t=t?d(t):{},"string"==typeof e&&(t.path=y.dirname(e)),t.createdBy||(t.createdBy="WebTorrent/"+x),o.tracker||(t.announce=[]);var c,f=o.add(null,t,r);return Array.isArray(e)||(e=[e]),m(e.map(function(e){return function(t){s(e)?w(e,t):t(null,e)}}),function(e,n){return e?o.emit("error",e,f):void(o.destroyed||a.parseInput(n,t,function(e,r){return e?o.emit("error",e,f):void(o.destroyed||(c=r.map(function(e){return e.getStream}),a(n,t,function(e,t){if(e)return o.emit("error",e,f);if(!o.destroyed){var n=o.get(t);n?(f.destroy(),i(n)):f._onTorrentId(t)}})))}))}),f},o.prototype.remove=function(e,t){var n=this;u("remove");var r=n.get(e);if(!r)throw new Error("No torrent with id "+e);n.torrents.splice(n.torrents.indexOf(r),1),r.destroy(t)},o.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}},o.prototype.destroy=function(e){var t=this;if(t.destroyed)throw new Error("client already destroyed");t.destroyed=!0,u("destroy");var n=t.torrents.map(function(e){return function(n){t.remove(e,n)}});t.dht&&n.push(function(e){t.dht.destroy(e)}),m(n,e)}}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},e("buffer").Buffer)},{"./lib/concat-stream":1,"./lib/torrent":5,"./package.json":159,_process:34,"bittorrent-dht/client":25,buffer:26,"create-torrent":54,debug:71,events:30,hat:77,inherits:79,"load-ip-set":25,"parse-torrent":82,path:33,"run-parallel":130,"simple-peer":134,speedometer:141,xtend:156,"zero-fill":158}]},{},[160])(160)});