build

1 files changed, 2 insertions, 2 deletions

diff --git a/webtorrent.min.js b/webtorrent.min.js
index b1edad2..003b66c 100644
--- a/webtorrent.min.js
+++ b/webtorrent.min.js
@@ -1,8 +1,8 @@
-!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 o(s,a){if(!n[s]){if(!e[s]){var c="function"==typeof require&&require;if(!a&&c)return c(s,!0);if(i)return i(s,!0);var u=new Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var f=n[s]={exports:{}};e[s][0].call(f.exports,function(t){var n=e[s][1][t];return o(n?n:t)},f,f.exports,t,e,n,r)}return n[s].exports}for(var i="function"==typeof require&&require,s=0;s<r.length;s++)o(r[s]);return o}({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:25}],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,o=e._torrent.pieceLength;this._startPiece=(n+e.offset)/o|0,this._endPiece=(r+e.offset)/o|0,this._piece=this._startPiece,this._offset=n+e.offset-this._startPiece*o,this._missing=r-n+1,this._reading=!1,this._notifying=!1,this._criticalLength=Math.min(1048576/o|0,2)}t.exports=r;var o=e("debug")("webtorrent:file-stream"),i=e("inherits"),s=e("readable-stream");i(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);o("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,o("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(e){this._destroy(null,e)},r.prototype._destroy=function(e,t){this.destroyed||(t&&this.once("close",t),this.destroyed=!0,this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0),e&&this.emit("error",e),this.emit("close"))}},{debug:68,inherits:76,"readable-stream":106}],3:[function(e,t,n){(function(n){function r(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=!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 o=e("end-of-stream"),i=e("events").EventEmitter,s=e("./file-stream"),a=e("inherits"),c=e("path"),u=e("render-media"),f=e("readable-stream"),d=e("stream-to-blob-url"),h=e("stream-with-known-length-to-buffer");a(r,i),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 i=new s(t,e);return t._torrent.select(i._startPiece,i._endPiece,!0,function(){i._notify()}),o(i,function(){t._torrent.destroyed||t._torrent.deselect(i._startPiece,i._endPiece,!0)}),i},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=u.mime[c.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");u.append(this,e,t)},r.prototype.renderTo=function(e,t){if("undefined"==typeof window)throw new Error("browser-only method");u.render(this,e,t)}}).call(this,e("_process"))},{"./file-stream":2,_process:33,"end-of-stream":71,events:29,inherits:76,path:32,"readable-stream":106,"render-media":109,"stream-to-blob-url":138,"stream-with-known-length-to-buffer":141}],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 o=0;o<t.numPieces;++o)if(e(o)){var i=t.pieces[o];i===r?n.push(o):r>i&&(n=[o],r=i)}return n.length>0?n[Math.random()*n.length|0]:-1}},{}],5:[function(e,t,n){(function(n,r){function o(e,t,n){p.call(this),h.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._getAnnounceOpts=n.getAnnounceOpts,this.strategy=n.strategy||"sequential",this.maxWebConns=n.maxWebConns,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 i(e,t){return Math.ceil(2+t*e.downloadSpeed()/I.BLOCK_LENGTH)}function s(e){return Math.random()*e|0}function a(){}t.exports=o;var c=e("addr-to-ip-port"),u=e("bitfield"),f=e("chunk-store-stream/write"),d=e("cpus"),h=e("debug")("webtorrent:torrent"),l=e("torrent-discovery"),p=e("events").EventEmitter,m=e("xtend"),g=e("xtend/mutable"),y=e("fs-chunk-store"),_=e("immediate-chunk-store"),v=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,q=3e4,N=5e3,z=3*I.BLOCK_LENGTH,W=.5,F=1,Y=1e4,V=2,G="function"==typeof B.sync?S.join(B.sync("/tmp")?"/tmp":w.tmpDir(),"webtorrent"):"/tmp/webtorrent";v(o,p),Object.defineProperty(o.prototype,"timeRemaining",{get:function(){return this.done?0:0===this.downloadSpeed?1/0:(this.length-this.downloaded)/this.downloadSpeed*1e3}}),Object.defineProperty(o.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(o.prototype,"received",{get:function(){return this.swarm?this.swarm.downloaded:0}}),Object.defineProperty(o.prototype,"uploaded",{get:function(){return this.swarm?this.swarm.uploaded:0}}),Object.defineProperty(o.prototype,"downloadSpeed",{get:function(){return this.swarm?this.swarm.downloadSpeed():0}}),Object.defineProperty(o.prototype,"uploadSpeed",{get:function(){return this.swarm?this.swarm.uploadSpeed():0}}),Object.defineProperty(o.prototype,"progress",{get:function(){return this.length?this.downloaded/this.length:0}}),Object.defineProperty(o.prototype,"ratio",{get:function(){return this.uploaded/(this.downloaded||1)}}),Object.defineProperty(o.prototype,"numPeers",{get:function(){return this.swarm?this.swarm.numPeers:0}}),Object.defineProperty(o.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}}),o.prototype._onTorrentId=function(e){var t=this;if(!t.destroyed){var r;try{r=x(e)}catch(o){}r?(t.infoHash=r.infoHash,n.nextTick(function(){t.destroyed||t._onParsedTorrent(r)})):x.remote(e,function(e,n){return t.destroyed?void 0:e?t._onError(e):void t._onParsedTorrent(n)})}},o.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(G,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)}},o.prototype._processParsedTorrent=function(e){this.announce&&(e.announce=e.announce.concat(this.announce)),this.client.tracker&&r.WEBTORRENT_ANNOUNCE&&!this["private"]&&(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)},o.prototype._onSwarmListening=function(){var e=this;if(!e.destroyed){e.swarm.server&&(e.client.torrentPort=e.swarm.address().port);var t={rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc,getAnnounceOpts:function(){var t={uploaded:e.uploaded,downloaded:e.downloaded,left:Math.max(e.length-e.downloaded,0)};return e._getAnnounceOpts&&(t=m(t,e._getAnnounceOpts())),t}};e.discovery=new l({announce:e.announce,dht:!e["private"]&&e.client.dht,tracker:e.client.tracker&&t,peerId:e.client.peerId,port:e.client.torrentPort}),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)}},o.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 _(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 u(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,o){return r?e(null):void L(o,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")}},o.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())},o.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)}},o.prototype.addPeer=function(e){function t(){var t=n.swarm.addPeer(e);t?n.emit("peer",e):n.emit("invalidPeer",e)}var n=this;if(n.destroyed)throw new Error("torrent is destroyed");if(n.client.blocked){var r;if("string"==typeof e){var o;try{o=c(e)}catch(i){return n.emit("invalidPeer",e),!1}r=o[0]}else"string"==typeof e.remoteAddress&&(r=e.remoteAddress);if(r&&n.client.blocked.contains(r))return n.numBlockedPeers+=1,n.emit("blockedPeer",e),!1}return n.swarm?t():n.once("listening",t),!0},o.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)},o.prototype.select=function(e,t,n,r){var o=this;if(o.destroyed)throw new Error("torrent is destroyed");if(e>t||0>e||t>=o.pieces.length)throw new Error("invalid selection ",e,":",t);n=Number(n)||0,o._debug("select %s-%s (priority %s)",e,t,n),o._selections.push({from:e,to:t,offset:0,priority:n,notify:r||a}),o._selections.sort(function(e,t){return t.priority-e.priority}),o._updateSelections()},o.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 o=0;o<r._selections.length;++o){var i=r._selections[o];if(i.from===e&&i.to===t&&i.priority===n){r._selections.splice(o--,1);break}}r._updateSelections()},o.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()},o.prototype._onWire=function(e,t){var r=this;if(r._debug("got wire %s (%s)",e._debugId,t||"Unknown"),t){var o=c(t);e.remoteAddress=o[0],e.remotePort=o[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(q,!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)})},o.prototype._onWireWithMetadata=function(e){function t(){r.destroyed||e.destroyed||(r.swarm.numQueued>2*(r.swarm.numConns-r.swarm.numPeers)&&e.amInterested?e.destroy():(o=setTimeout(t,N),o.unref&&o.unref()))}function n(){if(e.peerPieces.length===r.pieces.length){for(;i<r.pieces.length;++i)if(!e.peerPieces.get(i))return;e.isSeeder=!0,e.choke()}}var r=this,o=null,i=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(o)}),e.on("choke",function(){clearTimeout(o),o=setTimeout(t,N),o.unref&&o.unref()}),e.on("unchoke",function(){clearTimeout(o),r._update()}),e.on("request",function(t,n,o,i){return o>H?e.destroy():void(r.pieces[t]||r.store.get(t,{offset:n,length:o},i))}),e.bitfield(r.bitfield),e.interested(),e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening&&e.port(r.client.dht.address().port),o=setTimeout(t,N),o.unref&&o.unref(),e.isSeeder=!1,n()},o.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()}},o.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")},o.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"))},o.prototype._update=function(){var e=this;if(!e.destroyed)for(var t,n=C(e.swarm.wires);t=n();)e._updateWire(t)},o.prototype._updateWire=function(e){function t(t,n,r,o){return function(i){return i>=t&&n>=i&&!(i in r)&&e.peerPieces.get(i)&&(!o||o(i))}}function n(){if(!e.requests.length)for(var n=a._selections.length;n--;){var r,o=a._selections[n];if("rarest"===a.strategy)for(var i=o.from+o.offset,s=o.to,c=s-i+1,u={},f=0,d=t(i,s,u);c>f&&(r=a.rarityMap.getRarestPiece(d),!(0>r));){if(a._request(e,r,!1))return;u[r]=!0,f+=1}else for(r=o.to;r>=o.from+o.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,o=0;return function(e){if(!r||a.bitfield.get(e))return!0;for(var i=a.pieces[e].missing;o<a.swarm.wires.length;o++){var s=a.swarm.wires[o],c=s.downloadSpeed();if(!(z>c)&&!(t>=c)&&s.peerPieces.get(e)&&!((i-=c*n)>0))return r--,!1}return!0}}function o(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>=u)return!0;for(var i=r(),s=0;s<a._selections.length;s++){var c,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,i);l>m&&(c=a.rarityMap.getRarestPiece(g),!(0>c));){for(;a._request(e,c,a._critical[c]||n););if(!(e.requests.length<u))return f.priority&&o(s),!0;p[c]=!0,m++}else for(c=f.from+f.offset;c<=f.to;c++)if(e.peerPieces.get(c)&&i(c)){for(;a._request(e,c,a._critical[c]||n););if(!(e.requests.length<u))return f.priority&&o(s),!0}}return!1}var a=this;if(!e.peerChoking){if(!e.downloaded)return n();var c=i(e,W);if(!(e.requests.length>=c)){var u=i(e,F);s(!1)||s(!0)}}},o.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,o=0;o<n.length&&r<t._rechokeNumSlots;++o)n[o].isChoked=!1,n[o].wire.peerInterested&&(r+=1);if(!t._rechokeOptimisticWire&&o<n.length&&t._rechokeNumSlots){var i=n.slice(o).filter(function(e){return e.wire.peerInterested}),a=i[s(i.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())})},o.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 o=n._reservations[t];if(!o)return!1;var i,s,a=1/0;for(s=0;s<o.length;s++){var c=o[s];if(c&&c!==e){var u=c.downloadSpeed();u>=z||2*u>r||u>a||(i=c,a=u)}}if(!i)return!1;for(s=0;s<o.length;s++)o[s]===i&&(o[s]=null);for(s=0;s<i.requests.length;s++){var f=i.requests[s];f.piece===t&&n.pieces[t].cancel(f.offset/I.BLOCK_SIZE|0)}return n.emit("hotswap",i,e,t),!0},o.prototype._request=function(e,t,r){function o(){n.nextTick(function(){s._update()})}var s=this,a=e.requests.length,c="webSeed"===e.type;if(s.bitfield.get(t))return!1;var u=i(e,F);if(c&&(u>2&&(u-=2),s.maxWebConns&&(u=Math.min(u,s.maxWebConns))),a>=u)return!1;var f=s.pieces[t],d=c?f.reserveRemaining():f.reserve();if(-1===d&&r&&s._hotswap(e,t)&&(d=c?f.reserveRemaining():f.reserve()),-1===d)return!1;var h=s._reservations[t];h||(h=s._reservations[t]=[]);var l=h.indexOf(null);-1===l&&(l=h.length),h[l]=e;var p=f.chunkOffset(d),m=c?f.chunkLengthRemaining(d):f.chunkLength(d);return e.request(t,p,m,function g(n,r){if(!s.ready)return s.once("ready",function(){g(n,r)});if(h[l]===e&&(h[l]=null),f!==s.pieces[t])return o();if(n)return s._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,p,m,e.remoteAddress+":"+e.remotePort,n.message),c?f.cancelRemaining(d):f.cancel(d),void o();if(s._debug("got piece %s (offset: %s length: %s) from %s",t,p,m,e.remoteAddress+":"+e.remotePort),!f.set(d,r,e))return o();var i=f.flush();L(i,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,i),s.swarm.wires.forEach(function(e){e.have(t)}),s._checkDone()}else s.pieces[t]=new I(f.length),s.emit("warning",new Error("Piece "+t+" failed verification"));o()})}),!0},o.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],o=r.from;o<=r.to;o++)if(!e.bitfield.get(o)){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()}},o.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),o=new f(n.store,n.pieceLength);A(r,o,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))})},o.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},o.prototype.pause=function(){this.destroyed||this.swarm.pause()},o.prototype.resume=function(){this.destroyed||this.swarm.resume()},o.prototype._onError=function(e){var t=this;t._debug("torrent error: %s",e.message||e),t.destroy(),t.emit("error",e)},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],h.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":24,_process:33,"addr-to-ip-port":6,bitfield:7,"bittorrent-swarm":8,"chunk-store-stream/write":49,cpus:50,debug:68,events:29,"fs-chunk-store":77,"immediate-chunk-store":75,inherits:76,multistream:78,os:24,"parse-torrent":79,path:32,"path-exists":24,pump:89,"random-iterate":92,"re-emitter":93,"run-parallel":127,"run-parallel-limit":126,"simple-sha1":135,"torrent-discovery":144,"torrent-piece":145,uniq:146,ut_metadata:147,ut_pex:24,xtend:152,"xtend/mutable":153}],6:[function(e,t,n){var r=/^\[?([^\]]+)\]?:(\d+)$/,o={},i=0;t.exports=function(e){if(1e5===i&&t.exports.reset(),!o[e]){var n=r.exec(e);if(!n)throw new Error("invalid addr: "+e);o[e]=[n[1],Number(n[2])],i+=1}return o[e]},t.exports.reset=function(){o={},i=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 o(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 o="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 o(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:25}],8:[function(e,t,n){(function(n,r){function o(e,t,n){var i=this;return i instanceof o?(a.call(i),i.infoHash="string"==typeof e?e:e.toString("hex"),i.infoHashBuffer=new r(i.infoHash,"hex"),i.peerId="string"==typeof t?t:t.toString("hex"),i.peerIdBuffer=new r(i.peerId,"hex"),n||(n={}),s("new swarm (i %s p %s)",i.infoHash,i.peerId),i.handshakeOpts=n.handshake,i.maxConns=Number(n.maxConns)||l,i.destroyed=!1,i.listening=!1,i.paused=!1,i.server=null,i.wires=[],i._queue=[],i._peers={},i._peersLength=0,i._port=0,i.downloaded=0,i.uploaded=0,i.downloadSpeed=f(),void(i.uploadSpeed=f())):new o(e,t,n)}t.exports=o;var i=e("addr-to-ip-port"),s=e("debug")("bittorrent-swarm"),a=e("events").EventEmitter,c=e("inherits"),u=e("net"),f=e("speedometer"),d=e("./lib/peer"),h=e("./lib/tcp-pool"),l=55,p=[1e3,5e3,15e3];c(o,a),Object.defineProperty(o.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}}),Object.defineProperty(o.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}}),Object.defineProperty(o.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(o.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}}),o.prototype.addPeer=function(e){var t=this,n=t._addPeer(e);return!!n},o.prototype._addPeer=function(e){var t=this;if(t.destroyed)return s("ignoring added peer: swarm already destroyed"),"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!t._validAddr(e))return s("ignoring added peer: invalid address %s",e),null;var n=e&&e.id||e;if(t._peers[n])return s("ignoring added peer: duplicate peer id"),"string"!=typeof e&&e.destroy(),null;if(t.paused)return s("ignoring added peer: swarm paused"),"string"!=typeof e&&e.destroy(),null;s("addPeer %s",n);var r;return r="string"==typeof e?d.createTCPOutgoingPeer(e,t):d.createWebRTCPeer(e,t),t._peers[r.id]=r,t._peersLength+=1,"string"==typeof e&&(t._queue.push(r),t._drain()),r},o.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.createWebSeedPeer(e,t,n);n._peers[r.id]=r,n._peersLength+=1}}},o.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)"))},o.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())},o.prototype.pause=function(){var e=this;e.destroyed||(s("pause"),e.paused=!0)},o.prototype.resume=function(){var e=this;e.destroyed||(s("resume"),e.paused=!1,e._drain())},o.prototype.listen=function(e,t,r){var o=this;if("function"==typeof t&&(r=t,t=void 0),o.listening)throw new Error("swarm already listening");if(r&&o.once("listening",r),"function"==typeof h){o._port=e||h.getDefaultListenPort(o.infoHash),o._hostname=t,s("listen %s",e);var i=h.addSwarm(o);o.server=i.server}else n.nextTick(function(){o._onListening(0)})},o.prototype._onListening=function(e){var t=this;t._port=e,t.listening=!0,t.emit("listening")},o.prototype.address=function(){var e=this;return e.listening?e.server?e.server.address():{port:0,family:"IPv4",address:"127.0.0.1"}:null},o.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")})}},o.prototype._drain=function(){var e=this;if(s("_drain numConns %s maxConns %s",e.numConns,e.maxConns),!("function"!=typeof u.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=i(t.addr),r={host:n[0],port:n[1]};e._hostname&&(r.localAddress=e._hostname);var o=t.conn=u.connect(r);o.once("connect",function(){t.onConnect()}),o.once("error",function(e){t.destroy(e)}),t.setConnectTimeout(),o.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()}})}}},o.prototype._onError=function(e){var t=this;t.emit("error",e),t.destroy()},o.prototype._validAddr=function(e){var t,n=this;try{t=i(e)}catch(r){return!1}var o=t[0],s=t[1];return s>0&&65535>s&&!("127.0.0.1"===o&&s===n._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":9,"./lib/tcp-pool":24,_process:33,"addr-to-ip-port":24,buffer:25,debug:68,events:29,inherits:76,net:24,speedometer:137}],9:[function(e,t,n){function r(e,t){var n=this;n.id=e,n.type=t,i("new Peer %s",e),n.addr=null,n.conn=null,n.swarm=null,n.wire=null,n.connected=!1,n.destroyed=!1,n.timeout=null,n.retries=0,n.sentHandshake=!1}function o(){}var i=e("debug")("bittorrent-swarm:peer"),s=e("./webconn"),a=e("bittorrent-protocol"),c=25e3,u=25e3;n.createWebRTCPeer=function(e,t){var n=new r(e.id,"webrtc");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.createTCPIncomingPeer=function(e){var t=e.remoteAddress+":"+e.remotePort,n=new r(t,"tcpIncoming");return n.conn=e,n.addr=t,n.onConnect(),n},n.createTCPOutgoingPeer=function(e,t){var n=new r(e,"tcpOutgoing");return n.addr=e,n.swarm=t,n},n.createWebSeedPeer=function(e,t,n){var o=new r(e,"webSeed");return o.swarm=n,o.conn=new s(e,t),o.onConnect(),o},r.prototype.onConnect=function(){var e=this;if(!e.destroyed){e.connected=!0,i("Peer %s connected",e.id),clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()}),t.once("close",function(){e.destroy()}),t.once("finish",function(){e.destroy()}),t.once("error",function(t){e.destroy(t)});var n=e.wire=new a;n.type=e.type,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"));
+!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 o(s,a){if(!n[s]){if(!e[s]){var c="function"==typeof require&&require;if(!a&&c)return c(s,!0);if(i)return i(s,!0);var u=new Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var f=n[s]={exports:{}};e[s][0].call(f.exports,function(t){var n=e[s][1][t];return o(n?n:t)},f,f.exports,t,e,n,r)}return n[s].exports}for(var i="function"==typeof require&&require,s=0;s<r.length;s++)o(r[s]);return o}({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:25}],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,o=e._torrent.pieceLength;this._startPiece=(n+e.offset)/o|0,this._endPiece=(r+e.offset)/o|0,this._piece=this._startPiece,this._offset=n+e.offset-this._startPiece*o,this._missing=r-n+1,this._reading=!1,this._notifying=!1,this._criticalLength=Math.min(1048576/o|0,2)}t.exports=r;var o=e("debug")("webtorrent:file-stream"),i=e("inherits"),s=e("readable-stream");i(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);o("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,o("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(e){this._destroy(null,e)},r.prototype._destroy=function(e,t){this.destroyed||(t&&this.once("close",t),this.destroyed=!0,this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0),e&&this.emit("error",e),this.emit("close"))}},{debug:68,inherits:76,"readable-stream":106}],3:[function(e,t,n){(function(n){function r(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=!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 o=e("end-of-stream"),i=e("events").EventEmitter,s=e("./file-stream"),a=e("inherits"),c=e("path"),u=e("render-media"),f=e("readable-stream"),d=e("stream-to-blob-url"),h=e("stream-with-known-length-to-buffer");a(r,i),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 i=new s(t,e);return t._torrent.select(i._startPiece,i._endPiece,!0,function(){i._notify()}),o(i,function(){t._torrent.destroyed||t._torrent.deselect(i._startPiece,i._endPiece,!0)}),i},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=u.mime[c.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");u.append(this,e,t)},r.prototype.renderTo=function(e,t){if("undefined"==typeof window)throw new Error("browser-only method");u.render(this,e,t)}}).call(this,e("_process"))},{"./file-stream":2,_process:33,"end-of-stream":71,events:29,inherits:76,path:32,"readable-stream":106,"render-media":109,"stream-to-blob-url":138,"stream-with-known-length-to-buffer":141}],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 o=0;o<t.numPieces;++o)if(e(o)){var i=t.pieces[o];i===r?n.push(o):r>i&&(n=[o],r=i)}return n.length>0?n[Math.random()*n.length|0]:-1}},{}],5:[function(e,t,n){(function(n,r){function o(e,t,n){p.call(this),h.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._getAnnounceOpts=n.getAnnounceOpts,this.strategy=n.strategy||"sequential",this.maxWebConns=n.maxWebConns,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 i(e,t){return Math.ceil(2+t*e.downloadSpeed()/I.BLOCK_LENGTH)}function s(e){return Math.random()*e|0}function a(){}t.exports=o;var c=e("addr-to-ip-port"),u=e("bitfield"),f=e("chunk-store-stream/write"),d=e("cpus"),h=e("debug")("webtorrent:torrent"),l=e("torrent-discovery"),p=e("events").EventEmitter,m=e("xtend"),g=e("xtend/mutable"),y=e("fs-chunk-store"),_=e("immediate-chunk-store"),v=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,q=3e4,N=5e3,z=3*I.BLOCK_LENGTH,W=.5,F=1,Y=1e4,V=2,G="function"==typeof B.sync?S.join(B.sync("/tmp")?"/tmp":w.tmpDir(),"webtorrent"):"/tmp/webtorrent";v(o,p),Object.defineProperty(o.prototype,"timeRemaining",{get:function(){return this.done?0:0===this.downloadSpeed?1/0:(this.length-this.downloaded)/this.downloadSpeed*1e3}}),Object.defineProperty(o.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(o.prototype,"received",{get:function(){return this.swarm?this.swarm.downloaded:0}}),Object.defineProperty(o.prototype,"uploaded",{get:function(){return this.swarm?this.swarm.uploaded:0}}),Object.defineProperty(o.prototype,"downloadSpeed",{get:function(){return this.swarm?this.swarm.downloadSpeed():0}}),Object.defineProperty(o.prototype,"uploadSpeed",{get:function(){return this.swarm?this.swarm.uploadSpeed():0}}),Object.defineProperty(o.prototype,"progress",{get:function(){return this.length?this.downloaded/this.length:0}}),Object.defineProperty(o.prototype,"ratio",{get:function(){return this.uploaded/(this.downloaded||1)}}),Object.defineProperty(o.prototype,"numPeers",{get:function(){return this.swarm?this.swarm.numPeers:0}}),Object.defineProperty(o.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}}),o.prototype._onTorrentId=function(e){var t=this;if(!t.destroyed){var r;try{r=x(e)}catch(o){}r?(t.infoHash=r.infoHash,n.nextTick(function(){t.destroyed||t._onParsedTorrent(r)})):x.remote(e,function(e,n){return t.destroyed?void 0:e?t._onError(e):void t._onParsedTorrent(n)})}},o.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(G,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)}},o.prototype._processParsedTorrent=function(e){this.announce&&(e.announce=e.announce.concat(this.announce)),this.client.tracker&&r.WEBTORRENT_ANNOUNCE&&!this["private"]&&(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)},o.prototype._onSwarmListening=function(){var e=this;if(!e.destroyed){e.swarm.server&&(e.client.torrentPort=e.swarm.address().port);var t={rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc,getAnnounceOpts:function(){var t={uploaded:e.uploaded,downloaded:e.downloaded,left:Math.max(e.length-e.downloaded,0)};return e._getAnnounceOpts&&(t=m(t,e._getAnnounceOpts())),t}};e.discovery=new l({announce:e.announce,dht:!e["private"]&&e.client.dht,tracker:e.client.tracker&&t,peerId:e.client.peerId,port:e.client.torrentPort}),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)}},o.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 _(new t._store(t.pieceLength,{torrent:t,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 u(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,o){return r?e(null):void L(o,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")}},o.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())},o.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)}},o.prototype.addPeer=function(e){function t(){var t=n.swarm.addPeer(e);t?n.emit("peer",e):n.emit("invalidPeer",e)}var n=this;if(n.destroyed)throw new Error("torrent is destroyed");if(n.client.blocked){var r;if("string"==typeof e){var o;try{o=c(e)}catch(i){return n.emit("invalidPeer",e),!1}r=o[0]}else"string"==typeof e.remoteAddress&&(r=e.remoteAddress);if(r&&n.client.blocked.contains(r))return n.numBlockedPeers+=1,n.emit("blockedPeer",e),!1}return n.swarm?t():n.once("listening",t),!0},o.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)},o.prototype.select=function(e,t,n,r){var o=this;if(o.destroyed)throw new Error("torrent is destroyed");if(e>t||0>e||t>=o.pieces.length)throw new Error("invalid selection ",e,":",t);n=Number(n)||0,o._debug("select %s-%s (priority %s)",e,t,n),o._selections.push({from:e,to:t,offset:0,priority:n,notify:r||a}),o._selections.sort(function(e,t){return t.priority-e.priority}),o._updateSelections()},o.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 o=0;o<r._selections.length;++o){var i=r._selections[o];if(i.from===e&&i.to===t&&i.priority===n){r._selections.splice(o--,1);break}}r._updateSelections()},o.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()},o.prototype._onWire=function(e,t){var r=this;if(r._debug("got wire %s (%s)",e._debugId,t||"Unknown"),t){var o=c(t);e.remoteAddress=o[0],e.remotePort=o[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(q,!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)})},o.prototype._onWireWithMetadata=function(e){function t(){r.destroyed||e.destroyed||(r.swarm.numQueued>2*(r.swarm.numConns-r.swarm.numPeers)&&e.amInterested?e.destroy():(o=setTimeout(t,N),o.unref&&o.unref()))}function n(){if(e.peerPieces.length===r.pieces.length){for(;i<r.pieces.length;++i)if(!e.peerPieces.get(i))return;e.isSeeder=!0,e.choke()}}var r=this,o=null,i=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(o)}),e.on("choke",function(){clearTimeout(o),o=setTimeout(t,N),o.unref&&o.unref()}),e.on("unchoke",function(){clearTimeout(o),r._update()}),e.on("request",function(t,n,o,i){return o>H?e.destroy():void(r.pieces[t]||r.store.get(t,{offset:n,length:o},i))}),e.bitfield(r.bitfield),e.interested(),e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening&&e.port(r.client.dht.address().port),o=setTimeout(t,N),o.unref&&o.unref(),e.isSeeder=!1,n()},o.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()}},o.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")},o.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"))},o.prototype._update=function(){var e=this;if(!e.destroyed)for(var t,n=C(e.swarm.wires);t=n();)e._updateWire(t)},o.prototype._updateWire=function(e){function t(t,n,r,o){return function(i){return i>=t&&n>=i&&!(i in r)&&e.peerPieces.get(i)&&(!o||o(i))}}function n(){if(!e.requests.length)for(var n=a._selections.length;n--;){var r,o=a._selections[n];if("rarest"===a.strategy)for(var i=o.from+o.offset,s=o.to,c=s-i+1,u={},f=0,d=t(i,s,u);c>f&&(r=a.rarityMap.getRarestPiece(d),!(0>r));){if(a._request(e,r,!1))return;u[r]=!0,f+=1}else for(r=o.to;r>=o.from+o.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,o=0;return function(e){if(!r||a.bitfield.get(e))return!0;for(var i=a.pieces[e].missing;o<a.swarm.wires.length;o++){var s=a.swarm.wires[o],c=s.downloadSpeed();if(!(z>c)&&!(t>=c)&&s.peerPieces.get(e)&&!((i-=c*n)>0))return r--,!1}return!0}}function o(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>=u)return!0;for(var i=r(),s=0;s<a._selections.length;s++){var c,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,i);l>m&&(c=a.rarityMap.getRarestPiece(g),!(0>c));){for(;a._request(e,c,a._critical[c]||n););if(!(e.requests.length<u))return f.priority&&o(s),!0;p[c]=!0,m++}else for(c=f.from+f.offset;c<=f.to;c++)if(e.peerPieces.get(c)&&i(c)){for(;a._request(e,c,a._critical[c]||n););if(!(e.requests.length<u))return f.priority&&o(s),!0}}return!1}var a=this;if(!e.peerChoking){if(!e.downloaded)return n();var c=i(e,W);if(!(e.requests.length>=c)){var u=i(e,F);s(!1)||s(!0)}}},o.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,o=0;o<n.length&&r<t._rechokeNumSlots;++o)n[o].isChoked=!1,n[o].wire.peerInterested&&(r+=1);if(!t._rechokeOptimisticWire&&o<n.length&&t._rechokeNumSlots){var i=n.slice(o).filter(function(e){return e.wire.peerInterested}),a=i[s(i.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())})},o.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 o=n._reservations[t];if(!o)return!1;var i,s,a=1/0;for(s=0;s<o.length;s++){var c=o[s];if(c&&c!==e){var u=c.downloadSpeed();u>=z||2*u>r||u>a||(i=c,a=u)}}if(!i)return!1;for(s=0;s<o.length;s++)o[s]===i&&(o[s]=null);for(s=0;s<i.requests.length;s++){var f=i.requests[s];f.piece===t&&n.pieces[t].cancel(f.offset/I.BLOCK_SIZE|0)}return n.emit("hotswap",i,e,t),!0},o.prototype._request=function(e,t,r){function o(){n.nextTick(function(){s._update()})}var s=this,a=e.requests.length,c="webSeed"===e.type;if(s.bitfield.get(t))return!1;var u=i(e,F);if(c&&(u>2&&(u-=2),s.maxWebConns&&(u=Math.min(u,s.maxWebConns))),a>=u)return!1;var f=s.pieces[t],d=c?f.reserveRemaining():f.reserve();if(-1===d&&r&&s._hotswap(e,t)&&(d=c?f.reserveRemaining():f.reserve()),-1===d)return!1;var h=s._reservations[t];h||(h=s._reservations[t]=[]);var l=h.indexOf(null);-1===l&&(l=h.length),h[l]=e;var p=f.chunkOffset(d),m=c?f.chunkLengthRemaining(d):f.chunkLength(d);return e.request(t,p,m,function g(n,r){if(!s.ready)return s.once("ready",function(){g(n,r)});if(h[l]===e&&(h[l]=null),f!==s.pieces[t])return o();if(n)return s._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,p,m,e.remoteAddress+":"+e.remotePort,n.message),c?f.cancelRemaining(d):f.cancel(d),void o();if(s._debug("got piece %s (offset: %s length: %s) from %s",t,p,m,e.remoteAddress+":"+e.remotePort),!f.set(d,r,e))return o();var i=f.flush();L(i,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,i),s.swarm.wires.forEach(function(e){e.have(t)}),s._checkDone()}else s.pieces[t]=new I(f.length),s.emit("warning",new Error("Piece "+t+" failed verification"));o()})}),!0},o.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],o=r.from;o<=r.to;o++)if(!e.bitfield.get(o)){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()}},o.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),o=new f(n.store,n.pieceLength);A(r,o,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))})},o.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},o.prototype.pause=function(){this.destroyed||this.swarm.pause()},o.prototype.resume=function(){this.destroyed||this.swarm.resume()},o.prototype._onError=function(e){var t=this;t._debug("torrent error: %s",e.message||e),t.destroy(),t.emit("error",e)},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],h.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":24,_process:33,"addr-to-ip-port":6,bitfield:7,"bittorrent-swarm":8,"chunk-store-stream/write":49,cpus:50,debug:68,events:29,"fs-chunk-store":77,"immediate-chunk-store":75,inherits:76,multistream:78,os:24,"parse-torrent":79,path:32,"path-exists":24,pump:89,"random-iterate":92,"re-emitter":93,"run-parallel":127,"run-parallel-limit":126,"simple-sha1":135,"torrent-discovery":144,"torrent-piece":145,uniq:146,ut_metadata:147,ut_pex:24,xtend:152,"xtend/mutable":153}],6:[function(e,t,n){var r=/^\[?([^\]]+)\]?:(\d+)$/,o={},i=0;t.exports=function(e){if(1e5===i&&t.exports.reset(),!o[e]){var n=r.exec(e);if(!n)throw new Error("invalid addr: "+e);o[e]=[n[1],Number(n[2])],i+=1}return o[e]},t.exports.reset=function(){o={},i=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 o(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 o="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 o(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:25}],8:[function(e,t,n){(function(n,r){function o(e,t,n){var i=this;return i instanceof o?(a.call(i),i.infoHash="string"==typeof e?e:e.toString("hex"),i.infoHashBuffer=new r(i.infoHash,"hex"),i.peerId="string"==typeof t?t:t.toString("hex"),i.peerIdBuffer=new r(i.peerId,"hex"),n||(n={}),s("new swarm (i %s p %s)",i.infoHash,i.peerId),i.handshakeOpts=n.handshake,i.maxConns=Number(n.maxConns)||l,i.destroyed=!1,i.listening=!1,i.paused=!1,i.server=null,i.wires=[],i._queue=[],i._peers={},i._peersLength=0,i._port=0,i.downloaded=0,i.uploaded=0,i.downloadSpeed=f(),void(i.uploadSpeed=f())):new o(e,t,n)}t.exports=o;var i=e("addr-to-ip-port"),s=e("debug")("bittorrent-swarm"),a=e("events").EventEmitter,c=e("inherits"),u=e("net"),f=e("speedometer"),d=e("./lib/peer"),h=e("./lib/tcp-pool"),l=55,p=[1e3,5e3,15e3];c(o,a),Object.defineProperty(o.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}}),Object.defineProperty(o.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}}),Object.defineProperty(o.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(o.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}}),o.prototype.addPeer=function(e){var t=this,n=t._addPeer(e);return!!n},o.prototype._addPeer=function(e){var t=this;if(t.destroyed)return s("ignoring added peer: swarm already destroyed"),"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!t._validAddr(e))return s("ignoring added peer: invalid address %s",e),null;var n=e&&e.id||e;if(t._peers[n])return s("ignoring added peer: duplicate peer id"),"string"!=typeof e&&e.destroy(),null;if(t.paused)return s("ignoring added peer: swarm paused"),"string"!=typeof e&&e.destroy(),null;s("addPeer %s",n);var r;return r="string"==typeof e?d.createTCPOutgoingPeer(e,t):d.createWebRTCPeer(e,t),t._peers[r.id]=r,t._peersLength+=1,"string"==typeof e&&(t._queue.push(r),t._drain()),r},o.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.createWebSeedPeer(e,t,n);n._peers[r.id]=r,n._peersLength+=1}}},o.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)"))},o.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())},o.prototype.pause=function(){var e=this;e.destroyed||(s("pause"),e.paused=!0)},o.prototype.resume=function(){var e=this;e.destroyed||(s("resume"),e.paused=!1,e._drain())},o.prototype.listen=function(e,t,r){var o=this;if("function"==typeof t&&(r=t,t=void 0),o.listening)throw new Error("swarm already listening");if(r&&o.once("listening",r),"function"==typeof h){o._port=e||h.getDefaultListenPort(o.infoHash),o._hostname=t,s("listen %s",e);var i=h.addSwarm(o);o.server=i.server}else n.nextTick(function(){o._onListening(0)})},o.prototype._onListening=function(e){var t=this;t._port=e,t.listening=!0,t.emit("listening")},o.prototype.address=function(){var e=this;return e.listening?e.server?e.server.address():{port:0,family:"IPv4",address:"127.0.0.1"}:null},o.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")})}},o.prototype._drain=function(){var e=this;if(s("_drain numConns %s maxConns %s",e.numConns,e.maxConns),!("function"!=typeof u.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=i(t.addr),r={host:n[0],port:n[1]};e._hostname&&(r.localAddress=e._hostname);var o=t.conn=u.connect(r);o.once("connect",function(){t.onConnect()}),o.once("error",function(e){t.destroy(e)}),t.setConnectTimeout(),o.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()}})}}},o.prototype._onError=function(e){var t=this;t.emit("error",e),t.destroy()},o.prototype._validAddr=function(e){var t,n=this;try{t=i(e)}catch(r){return!1}var o=t[0],s=t[1];return s>0&&65535>s&&!("127.0.0.1"===o&&s===n._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":9,"./lib/tcp-pool":24,_process:33,"addr-to-ip-port":24,buffer:25,debug:68,events:29,inherits:76,net:24,speedometer:137}],9:[function(e,t,n){function r(e,t){var n=this;n.id=e,n.type=t,i("new Peer %s",e),n.addr=null,n.conn=null,n.swarm=null,n.wire=null,n.connected=!1,n.destroyed=!1,n.timeout=null,n.retries=0,n.sentHandshake=!1}function o(){}var i=e("debug")("bittorrent-swarm:peer"),s=e("./webconn"),a=e("bittorrent-protocol"),c=25e3,u=25e3;n.createWebRTCPeer=function(e,t){var n=new r(e.id,"webrtc");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.createTCPIncomingPeer=function(e){var t=e.remoteAddress+":"+e.remotePort,n=new r(t,"tcpIncoming");return n.conn=e,n.addr=t,n.onConnect(),n},n.createTCPOutgoingPeer=function(e,t){var n=new r(e,"tcpOutgoing");return n.addr=e,n.swarm=t,n},n.createWebSeedPeer=function(e,t,n){var o=new r(e,"webSeed");return o.swarm=n,o.conn=new s(e,t),o.onConnect(),o},r.prototype.onConnect=function(){var e=this;if(!e.destroyed){e.connected=!0,i("Peer %s connected",e.id),clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()}),t.once("close",function(){e.destroy()}),t.once("finish",function(){e.destroy()}),t.once("error",function(t){e.destroy(t)});var n=e.wire=new a;n.type=e.type,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"));i("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"))},c),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"))},u),e.handshakeTimeout.unref&&e.handshakeTimeout.unref()},r.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,t.connected=!1,i("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",o),r.destroy()),s&&s.destroy(),n&&n.removePeer(t.id)}}},{"./webconn":10,"bittorrent-protocol":11,debug:68}],10:[function(e,t,n){function r(e,t){var n=this;u.call(this),n.url=e,n.webPeerId=c.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,i=new o(r),s=0;r>=s;s++)i.set(s,!0);n.bitfield(i)}),n.on("choke",function(){i("choke")}),n.on("unchoke",function(){i("unchoke")}),n.once("interested",function(){i("interested"),n.unchoke()}),n.on("uninterested",function(){i("uninterested")}),n.on("bitfield",function(){i("bitfield")}),n.on("request",function(e,t,r,o){i("request pieceIndex=%d offset=%d length=%d",e,t,r),n.httpRequest(e,t,r,o)})}t.exports=r;var o=e("bitfield"),i=e("debug")("bittorrent-swarm:webconn"),s=e("simple-get"),a=e("inherits"),c=e("simple-sha1"),u=e("bittorrent-protocol");a(r,u),r.prototype.httpRequest=function(e,t,n,r){var o,a,c,u=this,f=e*u.parsedTorrent.pieceLength,d=f+t,h=d+n-1,l=u.parsedTorrent.files;if(l.length<=1)o=u.url,a=d,c=h;else{var p=l.filter(function(e){return e.offset<=d&&e.offset+e.length>d});if(p.length<1)return r(new Error("Could not find file corresponnding to web seed range request"));if(p.length>1)return r(new Error("Web seed range request overlaps multiple files in torrent"));var m=p[0],g=m.offset+m.length-1;o=u.url+("/"===u.url[u.url.length-1]?"":"/")+m.path,a=d-m.offset,c=Math.min(g,h-m.offset)}i("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",o,e,t,n,a,c);var y={url:o,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+a+"-"+c}};s.concat(y,function(e,t,n){return e?r(e):t.statusCode<200||t.statusCode>=300?r(new Error("Unexpected HTTP status code "+t.statusCode)):(i("Got data of length %d",n.length),void r(null,n))})}},{bitfield:7,"bittorrent-protocol":11,debug:68,inherits:76,"simple-get":128,"simple-sha1":135}],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 o(){return this instanceof o?(l.Duplex.call(this),this._debugId=f(32),this._debug("new wire"),this.peerId=null,this.peerIdBuffer=null,this.type=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._parserSize=0,this._parser=null,this._buffer=[],this._bufferSize=0,this.on("finish",this._onFinish),void this._parseHandshake()):new o}function i(e,t,n,r){for(var o=0;o<e.length;o++){var i=e[o];if(i.piece===t&&i.offset===n&&i.length===r)return 0===o?e.shift():e.splice(o,1),i}return null}t.exports=o;var s=e("bencode"),a=e("bitfield"),c=e("debug")("bittorrent-protocol"),u=e("xtend"),f=e("hat"),d=e("inherits"),h=e("speedometer"),l=e("readable-stream"),p=4e5,m=new n("BitTorrent protocol"),g=new n([0,0,0,0]),y=new n([0,0,0,1,0]),_=new n([0,0,0,1,1]),v=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(o,l.Duplex),o.prototype.setKeepAlive=function(e){this._debug("setKeepAlive %s",e),clearInterval(this._keepAliveInterval),e!==!1&&(this._keepAliveInterval=setInterval(this.keepAlive.bind(this),6e4))},o.prototype.setTimeout=function(e,t){this._debug("setTimeout ms=%d unref=%s",e,t),this._clearTimeout(),this._timeoutMs=e,this._timeoutUnref=!!t,this._updateTimeout()},o.prototype.destroy=function(){this.destroyed||(this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end())},o.prototype.end=function(){this._debug("end"),this._onUninterested(),this._onChoke(),l.Duplex.prototype.end.apply(this,arguments)},o.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,o=new e(this);"function"!=typeof o.onHandshake&&(o.onHandshake=t),"function"!=typeof o.onExtendedHandshake&&(o.onExtendedHandshake=t),"function"!=typeof o.onMessage&&(o.onMessage=t),this.extendedMapping[r]=n,this._ext[n]=o,this[n]=o,this._nextExt+=1},o.prototype.keepAlive=function(){this._debug("keep-alive"),this._push(g)},o.prototype.handshake=function(e,t,r){var o,i;if("string"==typeof e?o=new n(e,"hex"):(o=e,e=o.toString("hex")),"string"==typeof t?i=new n(t,"hex"):(i=t,t=i.toString("hex")),20!==o.length||20!==i.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,o,i])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},o.prototype._sendExtendedHandshake=function(){var e=u(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},o.prototype.choke=function(){this.amChoking||(this.amChoking=!0,this._debug("choke"),this.peerRequests.splice(0,this.peerRequests.length),this._push(y))},o.prototype.unchoke=function(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(_))},o.prototype.interested=function(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(v))},o.prototype.uninterested=function(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(b))},o.prototype.have=function(e){this._debug("have %d",e),this._message(4,[e],null)},o.prototype.bitfield=function(e){this._debug("bitfield"),n.isBuffer(e)||(e=e.buffer),this._message(5,[],e)},o.prototype.request=function(e,t,n,o){return o||(o=function(){}),this._finished?o(new Error("wire is closed")):this.peerChoking?o(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,o)),this._updateTimeout(),void this._message(6,[e,t,n],null))},o.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)},o.prototype.cancel=function(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(i(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)},o.prototype.port=function(e){this._debug("port %d",e);var t=new n(E);t.writeUInt16BE(e,5),this._push(t)},o.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]),o=n.isBuffer(t)?t:s.encode(t);this._message(20,[],n.concat([r,o]))},o.prototype._read=function(){},o.prototype._message=function(e,t,r){var o=r?r.length:0,i=new n(5+4*t.length);i.writeUInt32BE(i.length+o-4,0),i[4]=e;for(var s=0;s<t.length;s++)i.writeUInt32BE(t[s],5+4*s);this._push(i),r&&this._push(r)},o.prototype._push=function(e){return this._finished?void 0:this.push(e)},o.prototype._onKeepAlive=function(){this._debug("got keep-alive"),this.emit("keep-alive")},o.prototype._onHandshake=function(e,t,n){var r=e.toString("hex"),o=t.toString("hex");this._debug("got handshake i=%s p=%s exts=%o",r,o,n),this.peerId=o,this.peerIdBuffer=t,this.peerExtensions=n,this.emit("handshake",r,o,n);var i;for(i in this._ext)this._ext[i].onHandshake(r,o,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},o.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)},o.prototype._onUnchoke=function(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")},o.prototype._onInterested=function(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")},o.prototype._onUninterested=function(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")},o.prototype._onHave=function(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))},o.prototype._onBitField=function(e){this.peerPieces=new a(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)},o.prototype._onRequest=function(e,t,n){if(!this.amChoking){this._debug("got request index=%d offset=%d length=%d",e,t,n);var o=function(r,o){return s===i(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,o):void 0}.bind(this),s=new r(e,t,n,o);this.peerRequests.push(s),this.emit("request",e,t,n,o)}},o.prototype._onPiece=function(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(i(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)},o.prototype._onCancel=function(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),i(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)},o.prototype._onPort=function(e){this._debug("got port %d",e),this.emit("port",e)},o.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 o;if("object"==typeof n.m)for(o in n.m)this.peerExtendedMapping[o]=Number(n.m[o].toString());for(o in this._ext)this.peerExtendedMapping[o]&&this._ext[o].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)},o.prototype._onTimeout=function(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")},o.prototype._write=function(e,t,r){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){var o=1===this._buffer.length?this._buffer[0]:n.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[o.slice(this._parserSize)]:[],this._parser(o.slice(0,this._parserSize))}r(null)},o.prototype._callback=function(e,t,n){e&&(this._clearTimeout(),this.peerChoking||this._finished||this._updateTimeout(),e.callback(t,n))},o.prototype._clearTimeout=function(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)},o.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())},o.prototype._parse=function(e,t){this._parserSize=e,this._parser=t},o.prototype._onMessageLength=function(e){var t=e.readUInt32BE(0);t>0?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))},o.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)}},o.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))},o.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)},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],c.apply(null,e)}}).call(this,e("buffer").Buffer)},{bencode:12,bitfield:7,buffer:25,debug:68,hat:74,inherits:76,"readable-stream":106,speedometer:137,xtend:152}],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 o=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,o=r.data;n>t;){if(o[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 o;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:25}],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);break;case"boolean":n.number(t,r?1:0)}};var r=new e("e"),o=new e("d"),i=new e("l");n.bytes=function(t,n){t.push(new e(e.byteLength(n)+":"+n))},n.number=function(t,r){var o=2147483648,i=r/o<<0,s=r%o<<0,a=i*o+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(o);for(var i,s=0,a=Object.keys(t).sort(),c=a.length;c>s;s++)i=a[s],n.bytes(e,i),n._encode(e,t[i]);e.push(r)},n.list=function(e,t){var o=0,s=t.length;for(e.push(i);s>o;o++)n._encode(e,t[o]);e.push(r)},t.exports=n}).call(this,e("buffer").Buffer)},{buffer:25}],16:[function(e,t,n){(function(n,r){function o(e,t,a,c){function u(e){n.nextTick(function(){f.emit("warning",e)})}var f=this;if(!(f instanceof o))return new o(e,t,a,c);s.call(f),c||(c={}),f.peerId="string"==typeof e?e:e.toString("hex"),f.peerIdBuffer=new r(f.peerId,"hex"),f._peerIdBinary=f.peerIdBuffer.toString("binary"),f.infoHash="string"==typeof a.infoHash?a.infoHash:a.infoHash.toString("hex"),f.infoHashBuffer=new r(f.infoHash,"hex"),f._infoHashBinary=f.infoHashBuffer.toString("binary"),f.torrentLength=a.length,f.destroyed=!1,f._port=t,f._rtcConfig=c.rtcConfig,f._wrtc=c.wrtc,f._getAnnounceOpts=c.getAnnounceOpts,i("new client %s",f.infoHash);var l=!!f._wrtc||"undefined"!=typeof window,y="string"==typeof a.announce?[a.announce]:null==a.announce?[]:a.announce;y=y.map(function(e){return e=e.toString(),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e}),y=d(y),f._trackers=y.map(function(e){var t=h.parse(e).protocol;return"http:"!==t&&"https:"!==t||"function"!=typeof p?"udp:"===t&&"function"==typeof m?new m(f,e):"ws:"!==t&&"wss:"!==t||!l?(u(new Error("Unsupported tracker protocol: "+e)),null):"ws:"===t&&"undefined"!=typeof window&&"https:"===window.location.protocol?(u(new Error("Unsupported tracker protocol: "+e)),null):new g(f,e):new p(f,e)}).filter(Boolean)}t.exports=o;var i=e("debug")("bittorrent-tracker"),s=e("events").EventEmitter,a=e("xtend"),c=e("inherits"),u=e("once"),f=e("run-parallel"),d=e("uniq"),h=e("url"),l=e("./lib/common"),p=e("./lib/client/http-tracker"),m=e("./lib/client/udp-tracker"),g=e("./lib/client/websocket-tracker");c(o,s),o.scrape=function(e,t,n){n=u(n);var i=new r("01234567890123456789"),s=6881,a={infoHash:Array.isArray(t)?t[0]:t,announce:[e]},c=new o(i,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})},o.prototype.start=function(e){var t=this;i("send `start`"),e=t._defaultAnnounceOpts(e),e.event="started",t._announce(e),t._trackers.forEach(function(e){e.setInterval()})},o.prototype.stop=function(e){var t=this;i("send `stop`"),e=t._defaultAnnounceOpts(e),e.event="stopped",t._announce(e)},o.prototype.complete=function(e){var t=this;i("send `complete`"),e||(e={}),null==e.downloaded&&null!=t.torrentLength&&(e.downloaded=t.torrentLength),e=t._defaultAnnounceOpts(e),e.event="completed",t._announce(e)},o.prototype.update=function(e){var t=this;i("send `update`"),e=t._defaultAnnounceOpts(e),e.event&&delete e.event,t._announce(e)},o.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})},o.prototype.scrape=function(e){var t=this;i("send `scrape`"),e||(e={}),t._trackers.forEach(function(t){t.scrape(e)})},o.prototype.setInterval=function(e){var t=this;i("setInterval %d",e),t._trackers.forEach(function(t){t.setInterval(e)})},o.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,i("destroy");var n=t._trackers.map(function(e){return function(t){e.destroy(t)}});f(n,e),t._trackers=[]}},o.prototype._defaultAnnounceOpts=function(e){var t=this;return e||(e={}),null==e.numwant&&(e.numwant=l.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),t._getAnnounceOpts&&(e=a(e,t._getAnnounceOpts())),e}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/client/http-tracker":24,"./lib/client/udp-tracker":24,"./lib/client/websocket-tracker":18,"./lib/common":19,_process:33,buffer:25,debug:68,events:29,inherits:76,once:21,"run-parallel":127,uniq:146,url:45,xtend:152}],17:[function(e,t,n){function r(e,t){var n=this;o.call(n),n.client=e,n.announceUrl=t,n.interval=null,n.destroyed=!1}t.exports=r;var o=e("events").EventEmitter,i=e("inherits");i(r,o),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:29,inherits:76}],18:[function(e,t,n){function r(e,t,n){var r=this;h.call(r,e,t),i("new websocket tracker %s",t),r.peers={},r.socket=null,r.reconnecting=!1,r.retries=0,r.reconnectTimer=null,r._openSocket()}function o(){}t.exports=r;var i=e("debug")("bittorrent-tracker:websocket-tracker"),s=e("xtend"),a=e("hat"),c=e("inherits"),u=e("simple-peer"),f=e("simple-websocket"),d=e("../common"),h=e("./tracker"),l={},p=15e3,m=18e5,g=3e4,y=5e4;c(r,h),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=s(e,{action:"announce",info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary});if(t._trackerId&&(n.trackerid=t._trackerId),"stopped"===e.event)t._send(n);else{var r=Math.min(e.numwant,5);t._generateOffers(r,function(e){n.numwant=r,n.offers=e,t._send(n)})}}},r.prototype.scrape=function(e){var t=this;if(!t.destroyed&&!t.reconnecting){if(!t.socket.connected)return t.socket.once("connect",t.scrape.bind(t,e));var n=Array.isArray(e.infoHash)&&e.infoHash.length>0?e.infoHash.map(function(e){return e.toString("binary")}):e.infoHash&&e.infoHash.toString("binary")||t.client._infoHashBinary,r={action:"scrape",info_hash:n};t._send(r)}},r.prototype.destroy=function(e){var t=this;if(e||(e=o),t.destroyed)return e(null);t.destroyed=!0,clearInterval(t.interval),clearTimeout(t.reconnectTimer),t.socket&&(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;for(var n in t.peers){var r=t.peers[n];clearTimeout(r.trackerTimeout),r.destroy()}if(t.peers=null,l[t.announceUrl]&&(l[t.announceUrl].consumers-=1),0===l[t.announceUrl].consumers){delete l[t.announceUrl];try{t.socket.on("error",o),t.socket.destroy(e)}catch(i){e(null)}}t.socket=null},r.prototype._openSocket=function(){var e=this;e.destroyed=!1,e.peers||(e.peers={}),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=l[e.announceUrl],e.socket?l[e.announceUrl].consumers+=1:(e.socket=l[e.announceUrl]=new f(e.announceUrl),e.socket.consumers=1,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.retries=0,e.announce(e.client._defaultAnnounceOpts()))},r.prototype._onSocketData=function(e){var t=this;if(!t.destroyed){try{e=JSON.parse(e)}catch(n){return void t.client.emit("warning",new Error("Invalid tracker response"))}"announce"===e.action||e.offer||e.answer?t._onAnnounceResponse(e):"scrape"===e.action?t._onScrapeResponse(e):t._onSocketError(new Error("invalid action in WS response: "+e.action))}},r.prototype._onAnnounceResponse=function(e){var t=this;if(e.info_hash!==t.client._infoHashBinary)return void i("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,d.binaryToHex(e.info_hash),t.client.infoHash);if(!e.peer_id||e.peer_id!==t.client._peerIdBinary){i("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 o=e.interval||e["min interval"];o&&t.setInterval(1e3*o);var s=e["tracker id"];s&&(t._trackerId=s),null!=e.complete&&t.client.emit("update",{announce:t.announceUrl,complete:e.complete,incomplete:e.incomplete});var a;if(e.offer&&e.peer_id&&(i("creating peer (from remote offer)"),a=new u({trickle:!1,config:t.client._rtcConfig,wrtc:t.client._wrtc}),a.id=d.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=d.binaryToHex(e.offer_id);a=t.peers[c],a?(a.id=d.binaryToHex(e.peer_id),a.signal(e.answer),t.client.emit("peer",a),clearTimeout(a.trackerTimeout),a.trackerTimeout=null,delete t.peers[c]):i("got unexpected answer: "+JSON.stringify(e.answer))}}},r.prototype._onScrapeResponse=function(e){var t=this;e=e.files||{};var n=Object.keys(e);return 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v=v||n.host&&w.length,v&&!T&&w.unshift(""),w.length?n.pathname=w.join("/"):(n.pathname=null,n.path=null),u.isNull(n.pathname)&&u.isNull(n.search)||(n.path=(n.pathname?n.pathname:"")+(n.search?n.search:"")),n.auth=e.auth||n.auth,n.slashes=n.slashes||e.slashes,n.href=n.format(),n},r.prototype.parseHost=function(){var e=this.host,t=d.exec(e);t&&(t=t[0],":"!==t&&(this.port=t.substr(1)),e=e.substr(0,e.length-t.length)),e&&(this.hostname=e)}},{"./util":46,punycode:34,querystring:37}],46:[function(e,t,n){"use strict";t.exports={isString:function(e){return"string"==typeof e},isObject:function(e){return"object"==typeof e&&null!==e},isNull:function(e){return null===e},isNullOrUndefined:function(e){return null==e}}},{}],47:[function(e,t,n){(function(n){function r(e,t){return this instanceof r?(i.call(this),t||(t={}),"object"==typeof e&&(t=e,e=t.size),this.size=e||512,t.nopad?this._zeroPadding=!1:this._zeroPadding=s(t.zeroPadding,!0),this._buffered=[],void(this._bufferedBytes=0)):new r(e,t)}var 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s=null;e.forEach(function(t,n){if("string"!=typeof t){var r=t.fullPath||t.name;r||(r="Unknown File "+(n+1),t.unknownName=!0),t.path=r.split("/"),t.path[0]||t.path.shift(),t.path.length<2?s=null:0===n&&e.length>1?s=t.path[0]:t.path[0]!==s&&(s=null)}}),e=e.filter(function(e){if("string"==typeof e)return!0;var t=e.path[e.path.length-1];return d(t)&&L.not(t)}),s&&e.forEach(function(e){var t=(o.isBuffer(e)||y(e))&&!e.path;"string"==typeof e||t||e.path.shift()}),!t.name&&s&&(t.name=s),t.name||e.some(function(e){return"string"==typeof e?(t.name=S.basename(e),!0):e.unknownName?void 0:(t.name=e.path[e.path.length-1],!0)}),t.name||(t.name="Unnamed Torrent "+Date.now());var a=e.reduce(function(e,t){return e+Number("string"==typeof t)},0),u=1===e.length;if(1===e.length&&"string"==typeof e[0]){if("function"!=typeof C.stat)throw new Error("filesystem paths do not work in the browser");T(e[0],function(e,t){return e?r(e):(u=t,void i())})}else n.nextTick(function(){i()})}function 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t={},r=e.split("magnet:?")[1],o=r&&r.length>=0?r.split("&"):[];o.forEach(function(e){var n=e.split("=");if(2===n.length){var r=n[0],o=n[1];if("dn"===r&&(o=decodeURIComponent(o).replace(/\+/g," ")),"tr"!==r&&"xs"!==r&&"as"!==r&&"ws"!==r||(o=decodeURIComponent(o)),"kt"===r&&(o=decodeURIComponent(o).split("+")),t[r])if(Array.isArray(t[r]))t[r].push(o);else{var i=t[r];t[r]=[i,o]}else t[r]=o}});var s;if(t.xt){var c=Array.isArray(t.xt)?t.xt:[t.xt];c.forEach(function(e){if(s=e.match(/^urn:btih:(.{40})/))t.infoHash=s[1].toLowerCase();else if(s=e.match(/^urn:btih:(.{32})/)){var r=i.decode(s[1]);t.infoHash=new n(r,"binary").toString("hex")}})}return t.infoHash&&(t.infoHashBuffer=new n(t.infoHash,"hex")),t.dn&&(t.name=t.dn),t.kt&&(t.keywords=t.kt),"string"==typeof t.tr?t.announce=[t.tr]:Array.isArray(t.tr)?t.announce=t.tr:t.announce=[],t.urlList=[],("string"==typeof t.as||Array.isArray(t.as))&&(t.urlList=t.urlList.concat(t.as)),("string"==typeof t.ws||Array.isArray(t.ws))&&(t.urlList=t.urlList.concat(t.ws)),a(t.announce),a(t.urlList),t}function o(e){e=s(e),e.infoHashBuffer&&(e.xt="urn:btih:"+e.infoHashBuffer.toString("hex")),e.infoHash&&(e.xt="urn:btih:"+e.infoHash),e.name&&(e.dn=e.name),e.keywords&&(e.kt=e.keywords),e.announce&&(e.tr=e.announce),e.urlList&&(e.ws=e.urlList,delete e.as);var t="magnet:?";return Object.keys(e).filter(function(e){return 2===e.length}).forEach(function(n,r){var o=Array.isArray(e[n])?e[n]:[e[n]];o.forEach(function(e,o){!(r>0||o>0)||"kt"===n&&0!==o||(t+="&"),"dn"===n&&(e=encodeURIComponent(e).replace(/%20/g,"+")),"tr"!==n&&"xs"!==n&&"as"!==n&&"ws"!==n||(e=encodeURIComponent(e)),"kt"===n&&(e=encodeURIComponent(e)),t+="kt"===n&&o>0?"+"+e:n+"="+e})}),t}t.exports=r,t.exports.decode=r,t.exports.encode=o;var i=e("thirty-two"),s=e("xtend"),a=e("uniq")}).call(this,e("buffer").Buffer)},{buffer:25,"thirty-two":82,uniq:146,xtend:152}],82:[function(e,t,n){var r=e("./thirty-two");n.encode=r.encode,n.decode=r.decode},{"./thirty-two":83}],83:[function(e,t,n){(function(e){function t(e){var t=Math.floor(e.length/5);return e.length%5==0?t:t+1}var r="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",o=[255,255,26,27,28,29,30,31,255,255,255,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255];n.encode=function(n){e.isBuffer(n)||(n=new e(n));for(var o=0,i=0,s=0,a=0,c=new e(8*t(n));o<n.length;){var u=n[o];s>3?(a=u&255>>s,s=(s+5)%8,a=a<<s|(o+1<n.length?n[o+1]:0)>>8-s,o++):(a=u>>8-(s+5)&31,s=(s+5)%8,0==s&&o++),c[i]=r.charCodeAt(a),i++}for(o=i;o<c.length;o++)c[o]=61;return c},n.decode=function(t){var n,r=0,i=0,s=0;e.isBuffer(t)||(t=new e(t));for(var a=new e(Math.ceil(5*t.length/8)),c=0;c<t.length&&61!=t[c];c++){var u=t[c]-48;if(!(u<o.length))throw new Error("Invalid input - it is not base32 encoded 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t["announce-list"]=e.announce.map(function(e){return t.announce||(t.announce=e),e=new n(e,"utf8"),[e]}),e.created&&(t["creation date"]=e.created.getTime()/1e3|0),e.urlList&&(t["url-list"]=e.urlList),c.encode(t)}function i(e,t){return e+t.length}function s(e){for(var t=[],n=0;n<e.length;n+=20)t.push(e.slice(n,n+20).toString("hex"));return t}function a(e,t){if(!e)throw new Error("Torrent is missing required field: "+t)}t.exports=r,t.exports.decode=r,t.exports.encode=o;var c=e("bencode"),u=e("path"),f=e("simple-sha1"),d=e("uniq")}).call(this,e("buffer").Buffer)},{bencode:85,buffer:25,path:32,"simple-sha1":135,uniq:146}],85:[function(e,t,n){arguments[4][12][0].apply(n,arguments)},{"./lib/decode":86,"./lib/encode":88,dup:12}],86:[function(e,t,n){arguments[4][13][0].apply(n,arguments)},{"./dict":87,buffer:25,dup:13}],87:[function(e,t,n){arguments[4][14][0].apply(n,arguments)},{dup:14}],88:[function(e,t,n){arguments[4][55][0].apply(n,arguments)},{buffer:25,dup:55}],89:[function(e,t,n){var 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r="";e.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",function(e){r+=e}).on("end",t).on("error",n)}function _(t){t.message='Error rendering file "'+e.name+'": '+t.message,f(t.message),n(t)}n||(n=function(){});var x,S=l.extname(e.name).toLowerCase(),B=0;v.indexOf(S)>=0?r():b.indexOf(S)>=0?i():w.indexOf(S)>=0?a():E.indexOf(S)>=0?u():p()}function s(e,t){var n=l.extname(e.name).toLowerCase();p(e.createReadStream(),u[n],t)}function a(e){if(null==e)throw new Error("file cannot be null or undefined");if("string"!=typeof e.name)throw new Error("missing or invalid file.name property");if("function"!=typeof e.createReadStream)throw new Error("missing or invalid file.createReadStream property")}function c(e){var t=l.extname(e).toLowerCase();return{".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[t]}n.render=r,n.append=o;var u=n.mime=e("./lib/mime.json"),f=e("debug")("render-media"),d=e("is-ascii"),h=e("mediasource"),l=e("path"),p=e("stream-to-blob-url"),m=e("videostream"),g=[".mp4",".m4v",".m4a"],y=[".mp4",".m4v",".webm"],_=[".m4a",".mp3"],v=y.concat(_),b=[".wav",".aac",".ogg",".oga"],w=[".jpg",".jpeg",".png",".gif",".bmp"],E=[".css",".html",".js",".md",".pdf",".txt"],k="undefined"!=typeof window&&window.MediaSource},{"./lib/mime.json":110,debug:68,"is-ascii":111,mediasource:112,path:32,"stream-to-blob-url":138,videostream:125}],110:[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"}},{}],111:[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}},{}],112:[function(e,t,n){function r(e,t){var n=this;if(!(n instanceof r))return new r(e,t);if(!c)throw new Error("web browser lacks MediaSource support");t||(t={}),n._bufferDuration=t.bufferDuration||u,n._elem=e,n._mediaSource=new c,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 o(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._sourceBuffer=null,n._openHandler=n._onSourceOpen.bind(n),n._flowHandler=n._flow.bind(n),"string"==typeof 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o(t,e)},r.prototype.error=function(e){var t=this;t.detailedError||(t.detailedError=e);try{t._mediaSource.endOfStream("decode")}catch(e){}},i(o,s.Writable),o.prototype._onSourceOpen=function(){var e=this;e.destroyed||(e._mediaSource.removeEventListener("sourceopen",e._openHandler),e._createSourceBuffer())},o.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"))},o.prototype._createSourceBuffer=function(){var e=this;if(!e.destroyed)if(c.isTypeSupported(e._type)){if(e._sourceBuffer=e._mediaSource.addSourceBuffer(e._type),e._sourceBuffer.addEventListener("updateend",e._flowHandler),e._cb){var t=e._cb;e._cb=null,t()}}else e.destroy(new Error("The provided type is not supported"))},o.prototype._write=function(e,t,n){var r=this;if(!r.destroyed){if(!r._sourceBuffer)return void(r._cb=function(o){return o?n(o):void r._write(e,t,n)});if(r._sourceBuffer.updating)return n(new Error("Cannot append buffer while source buffer updating"));try{r._sourceBuffer.appendBuffer(a(e))}catch(o){return void r.destroy(o)}r._cb=n}},o.prototype._flow=function(){var e=this;if(!e.destroyed&&e._sourceBuffer&&!e._sourceBuffer.updating&&!("open"===e._mediaSource.readyState&&e._getBufferDuration()>e._bufferDuration)&&e._cb){var t=e._cb;e._cb=null,t()}};var f=0;o.prototype._getBufferDuration=function(){for(var e=this,t=e._sourceBuffer.buffered,n=e._elem.currentTime,r=-1,o=0;o<t.length;o++){var i=t.start(o),s=t.end(o)+f;if(i>n)break;(r>=0||s>=n)&&(r=s)}var a=r-n;return 0>a&&(a=0),a}},{inherits:76,"readable-stream":106,"to-arraybuffer":113}],113:[function(e,t,n){arguments[4][44][0].apply(n,arguments)},{buffer:25,dup:44}],114:[function(e,t,n){(function(n){function r(e){var t=this;a.call(t),t._tracks=[],t._fragmentSequence=1,t._file=e,t._decoder=null,t._findMoov(0)}function o(e,t){var n=this;n._entries=e,n._countName=t||"count",n._index=0,n._offset=0,n.value=n._entries[0]}function i(){return{version:0,flags:0,entries:[]}}var s=e("binary-search"),a=e("events").EventEmitter,c=e("inherits"),u=e("mp4-stream"),f=e("mp4-box-encoding"),d=e("range-slice-stream");t.exports=r,c(r,a),r.prototype._findMoov=function(e){var t=this;t._decoder&&t._decoder.destroy(),t._decoder=u.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();try{t._processMoov(e)}catch(r){r.message="Cannot parse mp4 file: 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x=d.stsc.entries[v],S=d.stsz.entries[m],B=w.value.duration,I=E?E.value.compositionOffset:0,A=!0;if(d.stss&&(A=d.stss.entries[k]===m+1),p.push({size:S,duration:B,dts:b,presentationOffset:I,sync:A,offset:_+d.stco.entries[y]}),m++,m>=d.stsz.entries.length)break;if(g++,_+=S,g>=x.samplesPerChunk){g=0,_=0,y++;var C=d.stsc.entries[v+1];C&&y+1>=C.firstChunk&&v++}b+=B,w.inc(),E&&E.inc(),A&&k++}u.mdia.mdhd.duration=0,u.tkhd.duration=0;var T=x.sampleDescriptionId,L={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:d.stsd,stts:i(),ctts:i(),stsc:i(),stsz:i(),stco:i(),stss:i()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:u.tkhd.trackId,defaultSampleDescriptionIndex:T,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:u.tkhd.trackId,timeScale:u.mdia.mdhd.timeScale,samples:p,currSample:null,currTime:null,moov:L,mime:c})}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 R=f.encode(t._ftyp),U=t._tracks.map(function(e){var t=f.encode(e.moov);return{mime:e.mime,init:n.concat([R,t])}});t.emit("ready",U)},r.prototype.seek=function(e){var t=this;if(!t._tracks)throw new Error("Not ready yet; wait for 'ready' event");t._fileStream&&(t._fileStream.destroy(),t._fileStream=null);var n=-1;if(t._tracks.map(function(r,o){function i(e){s.destroyed||s.box(e.moof,function(n){if(n)return t.emit("error",n);if(!s.destroyed){var a=r.inStream.slice(e.ranges);a.pipe(s.mediaData(e.length,function(e){if(e)return t.emit("error",e);if(!s.destroyed){var n=t._generateFragment(o);return n?void i(n):s.finalize()}}))}})}r.outStream&&r.outStream.destroy(),r.inStream&&(r.inStream.destroy(),r.inStream=null);var s=r.outStream=u.encode(),a=t._generateFragment(o,e);return a?((-1===n||a.ranges[0].start<n)&&(n=a.ranges[0].start),void i(a)):s.finalize()}),n>=0){var r=t._fileStream=t._file.createReadStream({start:n});t._tracks.forEach(function(e){e.inStream=new d(n),r.pipe(e.inStream)})}return t._tracks.map(function(e){return e.outStream})},r.prototype._findSampleBefore=function(e,t){var n=this,r=n._tracks[e],o=Math.floor(r.timeScale*t),i=s(r.samples,o,function(e,t){var n=e.dts+e.presentationOffset;return n-t});for(-1===i?i=0:0>i&&(i=-i-2);!r.samples[i].sync;)i--;return i};var h=1;r.prototype._generateFragment=function(e,t){var n,r=this,o=r._tracks[e];if(n=void 0!==t?r._findSampleBefore(e,t):o.currSample,n>=o.samples.length)return null;for(var i=o.samples[n].dts,s=0,a=[],c=n;c<o.samples.length;c++){var u=o.samples[c];if(u.sync&&u.dts-i>=o.timeScale*h)break;s+=u.size;var f=a.length-1;0>f||a[f].end!==u.offset?a.push({start:u.offset,end:u.offset+u.size}):a[f].end+=u.size}return o.currSample=c,{moof:r._generateMoof(e,n,c),ranges:a,length:s}},r.prototype._generateMoof=function(e,t,n){for(var r=this,o=r._tracks[e],i=[],s=t;n>s;s++){var a=o.samples[s];i.push({sampleDuration:a.duration,sampleSize:a.size,sampleFlags:a.sync?33554432:16842752,sampleCompositionTimeOffset:a.presentationOffset})}var c={type:"moof",mfhd:{sequenceNumber:r._fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:o.trackId},tfdt:{baseMediaDecodeTime:o.samples[t].dts},trun:{flags:3841,dataOffset:8,entries:i}}]};return c.trafs[0].trun.dataOffset+=f.encodingLength(c),c}}).call(this,e("buffer").Buffer)},{"binary-search":115,buffer:25,events:29,inherits:76,"mp4-box-encoding":118,"mp4-stream":122,"range-slice-stream":124}],115:[function(e,t,n){t.exports=function(e,t,n,r,o){var i,s;if(void 0===r)r=0;else if(r=0|r,0>r||r>=e.length)throw new RangeError("invalid lower bound");if(void 0===o)o=e.length-1;else if(o=0|o,r>o||o>=e.length)throw new RangeError("invalid upper bound");for(;o>=r;)if(i=r+(o-r>>1),s=+n(e[i],t),0>s)r=i+1;else{if(!(s>0))return i;o=i-1}return~r}},{}],116:[function(e,t,n){(function(t){function r(e,t,n){for(var r=t;n>r;r++)e[r]=0}function o(e,t,n){t.writeUInt32BE(Math.floor((e.getTime()+g)/1e3),n)}function i(e,t,n){t.writeUInt16BE(Math.floor(e)%65536,n),t.writeUInt16BE(Math.floor(256*e*256)%65536,n+2)}function s(e,t,n){t[n]=Math.floor(e)%256,t[n+1]=Math.floor(256*e)%256}function a(e,t,n){e||(e=[0,0,0,0,0,0,0,0,0]);for(var r=0;r<e.length;r++)i(e[r],t,n+4*r)}function c(e,n,r){var o=new t(e,"utf8");o.copy(n,r),n[r+o.length]=0}function u(e){for(var t=new Array(e.length/4),n=0;n<t.length;n++)t[n]=d(e,4*n);return t}function f(e,t){return new Date(1e3*e.readUInt32BE(t)-g)}function d(e,t){return e.readUInt16BE(t)+e.readUInt16BE(t+2)/65536}function h(e,t){return e[t]+e[t+1]/256}function l(e,t,n){var r;for(r=0;n>r&&0!==e[t+r];r++);return e.toString("utf8",t,t+r)}var p=e("./index"),m=e("./descriptor"),g=20828448e5;n.fullBoxes={};var y=["mvhd","tkhd","mdhd","vmhd","smhd","stsd","esds","stsz","stco","stss","stts","ctts","stsc","dref","elst","hdlr","mehd","trex","mfhd","tfhd","tfdt","trun"];y.forEach(function(e){n.fullBoxes[e]=!0}),n.ftyp={},n.ftyp.encode=function(e,r,o){r=r?r.slice(o):new t(n.ftyp.encodingLength(e));var i=e.compatibleBrands||[];r.write(e.brand,0,4,"ascii"),r.writeUInt32BE(e.brandVersion,4);for(var s=0;s<i.length;s++)r.write(i[s],8+4*s,4,"ascii");return n.ftyp.encode.bytes=8+4*i.length,r},n.ftyp.decode=function(e,t){e=e.slice(t);for(var n=e.toString("ascii",0,4),r=e.readUInt32BE(4),o=[],i=8;i<e.length;i+=4)o.push(e.toString("ascii",i,i+4));return{brand:n,brandVersion:r,compatibleBrands:o}},n.ftyp.encodingLength=function(e){return 8+4*(e.compatibleBrands||[]).length},n.mvhd={},n.mvhd.encode=function(e,c,u){return c=c?c.slice(u):new t(96),o(e.ctime||new Date,c,0),o(e.mtime||new Date,c,4),c.writeUInt32BE(e.timeScale||0,8),c.writeUInt32BE(e.duration||0,12),i(e.preferredRate||0,c,16),s(e.preferredVolume||0,c,20),r(c,22,32),a(e.matrix,c,32),c.writeUInt32BE(e.previewTime||0,68),c.writeUInt32BE(e.previewDuration||0,72),c.writeUInt32BE(e.posterTime||0,76),c.writeUInt32BE(e.selectionTime||0,80),c.writeUInt32BE(e.selectionDuration||0,84),c.writeUInt32BE(e.currentTime||0,88),c.writeUInt32BE(e.nextTrackId||0,92),n.mvhd.encode.bytes=96,c},n.mvhd.decode=function(e,t){return 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i=e("debug")("simple-peer"),s=e("get-browser-rtc"),a=e("hat"),c=e("inherits"),u=e("once"),f=e("readable-stream");c(r,f.Duplex),r.WEBRTC_SUPPORT=!!s(),r.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]},r.constraints={},r.channelConfig={},Object.defineProperty(r.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}}),r.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}},r.prototype.signal=function(e){function t(e){try{n._pc.addIceCandidate(new n._wrtc.RTCIceCandidate(e),o,n._onError.bind(n))}catch(t){n._destroy(new Error("error adding candidate: "+t.message))}}var n=this;if(n.destroyed)throw new Error("cannot signal after peer is destroyed");if("string"==typeof e)try{e=JSON.parse(e)}catch(r){e={}}n._debug("signal()"),e.sdp&&n._pc.setRemoteDescription(new n._wrtc.RTCSessionDescription(e),function(){n.destroyed||("offer"===n._pc.remoteDescription.type&&n._createAnswer(),n._pendingCandidates.forEach(t),n._pendingCandidates=[])},n._onError.bind(n)),e.candidate&&(n._pc.remoteDescription?t(e.candidate):n._pendingCandidates.push(e.candidate)),e.sdp||e.candidate||n._destroy(new Error("signal() called with invalid signal data"))},r.prototype.send=function(e){var t=this;n.isBuffer(e)&&t._isWrtc&&(e=new Uint8Array(e));var r=e.length||e.byteLength||e.size;t._channel.send(e),t._debug("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),n._debug("destroy (error: 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destroyed"));if(r.connected){try{r.send(e)}catch(o){return r._onError(o)}r._channel.bufferedAmount>r._maxBufferedAmount?(r._debug("start backpressure: bufferedAmount %d",r._channel.bufferedAmount),r._cb=n):n(null)}else r._debug("write before connect"),r._chunk=e,r._cb=n},r.prototype._createOffer=function(){var e=this;e.destroyed||e._pc.createOffer(function(t){if(!e.destroyed){t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,o,e._onError.bind(e));var n=function(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})};e.trickle||e._iceComplete?n():e.once("_iceComplete",n)}},e._onError.bind(e),e.offerConstraints)},r.prototype._createAnswer=function(){var e=this;e.destroyed||e._pc.createAnswer(function(t){if(!e.destroyed){t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,o,e._onError.bind(e));var n=function(){var 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t=1,n=e.length,r=e[0],o=e[0],i=1;n>i;++i,o=r)if(o=r,r=e[i],r!==o){if(i===t){t++;continue}e[t++]=r}return e.length=t,e}function i(e,t,n){return 0===e.length?e:t?(n||e.sort(t),r(e,t)):(n||e.sort(),o(e))}t.exports=i},{}],147:[function(e,t,n){(function(n){var r=e("bencode"),o=e("bitfield"),i=e("debug")("ut_metadata"),s=e("events").EventEmitter,a=e("inherits"),c=e("simple-sha1"),u=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 o(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>u?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 o=e.toString(),i=o.indexOf("ee")+2;t=r.decode(o.substring(0,i)),n=e.slice(i)}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;i("set metadata");try{var t=r.decode(e).info;t&&(e=r.encode(t))}catch(n){}return this._infoHash&&this._infoHash!==c.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 o=r.encode(e);n.isBuffer(t)&&(o=n.concat([o,t])),this._wire.extended("ut_metadata",o)},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 o(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:148,bitfield:7,buffer:25,debug:68,events:29,inherits:76,"simple-sha1":135}],148:[function(e,t,n){arguments[4][12][0].apply(n,arguments)},{"./lib/decode":149,"./lib/encode":151,dup:12}],149:[function(e,t,n){arguments[4][13][0].apply(n,arguments)},{"./dict":150,buffer:25,dup:13}],150:[function(e,t,n){arguments[4][14][0].apply(n,arguments)},{dup:14}],151:[function(e,t,n){arguments[4][55][0].apply(n,arguments)},{buffer:25,dup:55}],152:[function(e,t,n){function r(){for(var e={},t=0;t<arguments.length;t++){var n=arguments[t];for(var r in n)o.call(n,r)&&(e[r]=n[r])}return e}t.exports=r;var o=Object.prototype.hasOwnProperty},{}],153:[function(e,t,n){function r(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var r in n)o.call(n,r)&&(e[r]=n[r])}return e}t.exports=r;var o=Object.prototype.hasOwnProperty},{}],154:[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+"")}},{}],155:[function(e,t,n){t.exports={version:"0.86.2"}},{}],156:[function(e,t,n){(function(n,r,o){function i(e){function t(){s.destroyed||(s.ready=!0,s.emit("ready"))}var s=this;return s instanceof i?(f.call(s),e||(e={}),c.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=v(),s._uploadSpeed=v(),s.maxConns=e.maxConns,s.peerId="string"==typeof e.peerId?e.peerId:(e.peerId||new o(S+h(48))).toString("hex"),s.peerIdBuffer=new o(s.peerId,"hex"),s.nodeId="string"==typeof e.nodeId?e.nodeId:e.nodeId&&e.nodeId.toString("hex")||h(160),s.nodeIdBuffer=new o(s.nodeId,"hex"),e.dht!==!1&&"function"==typeof u?(s.dht=new u(d({nodeId:s.nodeId},e.dht)),s.dht.once("error",function(e){s.emit("error",e),s.destroy()}),s.dht.listen(e.dhtPort)):s.dht=!1,c("new webtorrent (peerId 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this._uploadSpeed()}}),Object.defineProperty(i.prototype,"progress",{get:function(){var e=this.torrents.filter(function(e){return 1!==e.progress}),t=e.reduce(function(e,t){return e+t.downloaded},0),n=e.reduce(function(e,t){return e+(t.length||0)},0)||1;return t/n}}),Object.defineProperty(i.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}}),i.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 o=0,i=t.torrents.length;i>o;o++){var s=t.torrents[o];if(s.infoHash===n.infoHash)return s}return null},i.prototype.add=i.prototype.download=function(e,t,r){function o(){c("on torrent"),"function"==typeof r&&r(s),i.emit("torrent",s)}var i=this;if(i.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return i.add(e,null,t);c("add"),t=t?d(t):{};var s=i.get(e);return s?s.ready?n.nextTick(o):s.once("ready",o):(s=new E(e,i,t),i.torrents.push(s),s.once("error",function(e){i.emit("error",e,s),i.remove(s)}),s.once("listening",function(e){i.emit("listening",e,s)}),s.once("ready",o)),s},i.prototype.seed=function(e,t,n){function r(e){var t=[function(t){e.load(u,t)}];i.dht&&t.push(function(t){e.once("dhtAnnounce",t)}),m(t,function(t){return i.destroyed?void 0:t?i.emit("error",t,e):void o(e)})}function o(e){c("on seed"),"function"==typeof n&&n(e),i.emit("seed",e)}var i=this;if(i.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return i.seed(e,null,t);c("seed"),t=t?d(t):{},"string"==typeof e&&(t.path=y.dirname(e)),t.createdBy||(t.createdBy="WebTorrent/"+x),i.tracker||(t.announce=[]);var u,f=i.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?i.emit("error",e,f):void(i.destroyed||a.parseInput(n,t,function(e,r){return e?i.emit("error",e,f):void(i.destroyed||(u=r.map(function(e){return e.getStream}),a(n,t,function(e,t){if(e)return i.emit("error",e,f);if(!i.destroyed){var n=i.get(t);n?(f.destroy(),o(n)):f._onTorrentId(t)}})))}))}),f},i.prototype.remove=function(e,t){var n=this;c("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)},i.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}},i.prototype.destroy=function(e){var t=this;if(t.destroyed)throw new Error("client already destroyed");t.destroyed=!0,c("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":155,_process:33,"bittorrent-dht/client":24,buffer:25,"create-torrent":51,debug:68,events:29,hat:74,inherits:76,"load-ip-set":24,"parse-torrent":79,path:32,"run-parallel":127,"simple-peer":131,speedometer:137,xtend:152,"zero-fill":154}]},{},[156])(156)});
+}e._connecting=!1,e.connected=!0;var r={},o={};if(t.forEach(function(e){"remotecandidate"===e.type&&(r[e.id]=e),"localcandidate"===e.type&&(o[e.id]=e)}),t.forEach(function(e){var t="googCandidatePair"===e.type&&"true"===e.googActiveConnection||"candidatepair"===e.type&&e.selected;t&&n(e)}),e._chunk){try{e.send(e._chunk)}catch(i){return e._onError(i)}e._chunk=null,e._debug('sent chunk from "write before connect"');var s=e._cb;e._cb=null,s(null)}e._interval=setInterval(function(){if(e._cb&&e._channel&&!(e._channel.bufferedAmount>e._maxBufferedAmount)){e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null,t(null)}},150),e._interval.unref&&e._interval.unref(),e._debug("connect"),e.emit("connect")}))},r.prototype._onSignalingStateChange=function(){var e=this;e.destroyed||(e._debug("signalingStateChange %s",e._pc.signalingState),e.emit("signalingStateChange",e._pc.signalingState))},r.prototype._onIceCandidate=function(e){var t=this;t.destroyed||(e.candidate&&t.trickle?t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}}):e.candidate||(t._iceComplete=!0,t.emit("_iceComplete")))},r.prototype._onChannelMessage=function(e){var t=this;if(!t.destroyed){var r=e.data;t._debug("read: %d bytes",r.byteLength||r.length),r instanceof ArrayBuffer&&(r=new n(r)),t.push(r)}},r.prototype._onChannelOpen=function(){var e=this;e.connected||e.destroyed||(e._debug("on channel open"),e._channelReady=!0,e._maybeReady())},r.prototype._onChannelClose=function(){var e=this;e.destroyed||(e._debug("on channel close"),e._destroy())},r.prototype._onAddStream=function(e){var t=this;t.destroyed||(t._debug("on add stream"),t.emit("stream",e.stream))},r.prototype._onError=function(e){var t=this;t.destroyed||(t._debug("error %s",e.message||e),t._destroy(e))},r.prototype._debug=function(){var e=this,t=[].slice.call(arguments),n=e.channelName&&e.channelName.substring(0,7);t[0]="["+n+"] "+t[0],i.apply(null,t)}}).call(this,e("buffer").Buffer)},{buffer:25,debug:68,"get-browser-rtc":132,hat:74,inherits:76,once:134,"readable-stream":106}],132:[function(e,t,n){t.exports=function(){if("undefined"==typeof window)return null;var e={RTCPeerConnection:window.RTCPeerConnection||window.mozRTCPeerConnection||window.webkitRTCPeerConnection,RTCSessionDescription:window.RTCSessionDescription||window.mozRTCSessionDescription||window.webkitRTCSessionDescription,RTCIceCandidate:window.RTCIceCandidate||window.mozRTCIceCandidate||window.webkitRTCIceCandidate};return e.RTCPeerConnection?e:null}},{}],133:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20}],134:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,wrappy:133}],135:[function(e,t,n){function r(e,t){return u?("string"==typeof e&&(e=o(e)),void u.digest({name:"sha-1"},e).then(function(e){t(i(new 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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 o(0,{grow:f}),this._remainingRejects-=this._numPieces,this._remainingRejects>0?this._requestPieces():this.emit("warning",new Error("Peer sent invalid 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this._uploadSpeed()}}),Object.defineProperty(i.prototype,"progress",{get:function(){var e=this.torrents.filter(function(e){return 1!==e.progress}),t=e.reduce(function(e,t){return e+t.downloaded},0),n=e.reduce(function(e,t){return e+(t.length||0)},0)||1;return t/n}}),Object.defineProperty(i.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}}),i.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 o=0,i=t.torrents.length;i>o;o++){var s=t.torrents[o];if(s.infoHash===n.infoHash)return s}return null},i.prototype.add=i.prototype.download=function(e,t,r){function o(){c("on torrent"),"function"==typeof r&&r(s),i.emit("torrent",s)}var i=this;if(i.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return i.add(e,null,t);c("add"),t=t?d(t):{};var s=i.get(e);return s?s.ready?n.nextTick(o):s.once("ready",o):(s=new E(e,i,t),i.torrents.push(s),s.once("error",function(e){i.emit("error",e,s),i.remove(s)}),s.once("listening",function(e){i.emit("listening",e,s)}),s.once("ready",o)),s},i.prototype.seed=function(e,t,n){function r(e){var t=[function(t){e.load(u,t)}];i.dht&&t.push(function(t){e.once("dhtAnnounce",t)}),m(t,function(t){return i.destroyed?void 0:t?i.emit("error",t,e):void o(e)})}function o(e){c("on seed"),"function"==typeof n&&n(e),i.emit("seed",e)}var i=this;if(i.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return i.seed(e,null,t);c("seed"),t=t?d(t):{},"string"==typeof e&&(t.path=y.dirname(e)),t.createdBy||(t.createdBy="WebTorrent/"+x),i.tracker||(t.announce=[]);var u,f=i.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?i.emit("error",e,f):void(i.destroyed||a.parseInput(n,t,function(e,r){return e?i.emit("error",e,f):void(i.destroyed||(u=r.map(function(e){return e.getStream}),a(n,t,function(e,t){if(e)return i.emit("error",e,f);if(!i.destroyed){var n=i.get(t);n?(f.destroy(),o(n)):f._onTorrentId(t)}})))}))}),f},i.prototype.remove=function(e,t){var n=this;c("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)},i.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}},i.prototype.destroy=function(e){var t=this;if(t.destroyed)throw new Error("client already destroyed");t.destroyed=!0,c("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":155,_process:33,"bittorrent-dht/client":24,buffer:25,"create-torrent":51,debug:68,events:29,hat:74,inherits:76,"load-ip-set":24,"parse-torrent":79,path:32,"run-parallel":127,"simple-peer":131,speedometer:137,xtend:152,"zero-fill":154}]},{},[156])(156)});