1(self.webpackChunk_N_E=self.webpackChunk_N_E||[]).push([[43],{2661:function(e,t,n){var r;r=function(){var e;return(function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){if(o)return o(s,!0);var u=Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var c=n[s]={exports:{}};t[s][0].call(c.exports,function(e){return i(t[s][1][e]||e)},c,c.exports,e,t,n,r)}return n[s].exports}for(var o=void 0,s=0;s<r.length;s++)i(r[s]);return i})({1:[function(e,t,n){function r(e,t){s.Readable.call(this,t),this.destroyed=!1,this._torrent=e._torrent;var n=t&&t.start||0,r=t&&t.end&&t.end<e.length?t.end:e.length-1,i=e._torrent.pieceLength;this._startPiece=(n+e.offset)/i|0,this._endPiece=(r+e.offset)/i|0,this._piece=this._startPiece,this._offset=n+e.offset-this._startPiece*i,this._missing=r-n+1,this._reading=!1,this._notifying=!1,this._criticalLength=Math.min(1048576/i|0,2)}t.exports=r;var i=e("debug")("webtorrent:file-stream"),o=e("inherits"),s=e("readable-stream");o(r,s.Readable),r.prototype._read=function(){this._reading||(this._reading=!0,this._notify())},r.prototype._notify=function(){var e=this;if(e._reading&&0!==e._missing){if(!e._torrent.bitfield.get(e._piece))return e._torrent.critical(e._piece,e._piece+e._criticalLength);if(!e._notifying){e._notifying=!0;var t=e._piece;e._torrent.store.get(t,function(n,r){if(e._notifying=!1,!e.destroyed){if(n)return e._destroy(n);i("read %s (length %s) (err %s)",t,r.length,n&&n.message),e._offset&&(r=r.slice(e._offset),e._offset=0),e._missing<r.length&&(r=r.slice(0,e._missing)),e._missing-=r.length,i("pushing buffer of length %s",r.length),e._reading=!1,e.push(r),0===e._missing&&e.push(null)}}),e._piece+=1}}},r.prototype.destroy=function(e){this._destroy(null,e)},r.prototype._destroy=function(e,t){this.destroyed||(this.destroyed=!0,this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0),e&&this.emit("error",e),this.emit("close"),t&&t())}},{debug:30,inherits:41,"readable-stream":82}],2:[function(e,t,n){(function(n){function r(e,t){o.call(this),this._torrent=e,this._destroyed=!1,this.name=t.name,this.path=t.path,this.length=t.length,this.offset=t.offset,this.done=!1;var n=t.offset,r=n+t.length-1;this._startPiece=n/this._torrent.pieceLength|0,this._endPiece=r/this._torrent.pieceLength|0,0===this.length&&(this.done=!0,this.emit("done"))}t.exports=r;var i=e("end-of-stream"),o=e("events").EventEmitter,s=e("./file-stream"),a=e("inherits"),u=e("path"),c=e("render-media"),f=e("readable-stream"),h=e("stream-to-blob"),d=e("stream-to-blob-url"),l=e("stream-with-known-length-to-buffer");a(r,o),Object.defineProperty(r.prototype,"downloaded",{get:function(){if(!this._torrent.bitfield)return 0;for(var e=0,t=this._startPiece;t<=this._endPiece;++t)if(this._torrent.bitfield.get(t))e+=this._torrent.pieceLength;else{var n=this._torrent.pieces[t];e+=n.length-n.missing}return e}}),r.prototype.select=function(e){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,e)},r.prototype.deselect=function(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece,!1)},r.prototype.createReadStream=function(e){var t=this;if(0===this.length){var r=new f.PassThrough;return n.nextTick(function(){r.end()}),r}var o=new s(t,e);return t._torrent.select(o._startPiece,o._endPiece,!0,function(){o._notify()}),i(o,function(){t._destroyed||t._torrent.destroyed||t._torrent.deselect(o._startPiece,o._endPiece,!0)}),o},r.prototype.getBuffer=function(e){l(this.createReadStream(),this.length,e)},r.prototype.getBlob=function(e){if("undefined"==typeof window)throw Error("browser-only method");h(this.createReadStream(),this._getMimeType(),e)},r.prototype.getBlobURL=function(e){if("undefined"==typeof window)throw Error("browser-only method");d(this.createReadStream(),this._getMimeType(),e)},r.prototype.appendTo=function(e,t,n){if("undefined"==typeof window)throw Error("browser-only method");c.append(this,e,t,n)},r.prototype.renderTo=function(e,t,n){if("undefined"==typeof window)throw Error("browser-only method");c.render(this,e,t,n)},r.prototype._getMimeType=function(){return c.mime[u.extname(this.name).toLowerCase()]},r.prototype._destroy=function(){this._destroyed=!0,this._torrent=null}}).call(this,e("_process"))},{"./file-stream":1,_process:66,"end-of-stream":33,events:34,inherits:41,path:63,"readable-stream":82,"render-media":83,"stream-to-blob":100,"stream-to-blob-url":99,"stream-with-known-length-to-buffer":101}],3:[function(e,t,n){function r(e,t){this.id=e,this.type=t,s("new Peer %s",e),this.addr=null,this.conn=null,this.swarm=null,this.wire=null,this.connected=!1,this.destroyed=!1,this.timeout=null,this.retries=0,this.sentHandshake=!1}function i(){}var o=e("unordered-array-remove"),s=e("debug")("webtorrent:peer"),a=e("bittorrent-protocol"),u=e("./webconn");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.startConnectTimeout()),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){var n=new r(e,"webSeed");return n.swarm=t,n.conn=new u(e,t),n.onConnect(),n},r.prototype.onConnect=function(){var e=this;
1if(!e.destroyed){e.connected=!0,s("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.startHandshakeTimeout(),t.pipe(n).pipe(t),e.swarm&&!e.sentHandshake&&e.handshake()}},r.prototype.onHandshake=function(e,t){if(this.swarm&&!this.destroyed){if(this.swarm.destroyed)return this.destroy(Error("swarm already destroyed"));if(e!==this.swarm.infoHash)return this.destroy(Error("unexpected handshake info hash for this swarm"));if(t===this.swarm.peerId)return this.destroy(Error("refusing to connect to ourselves"));s("Peer %s got handshake %s",this.id,e),clearTimeout(this.handshakeTimeout),this.retries=0;var n=this.addr;!n&&this.conn.remoteAddress&&(n=this.conn.remoteAddress+":"+this.conn.remotePort),this.swarm._onWire(this.wire,n),this.swarm&&!this.swarm.destroyed&&(this.sentHandshake||this.handshake())}},r.prototype.handshake=function(){var e={dht:!this.swarm.private&&!!this.swarm.client.dht};this.wire.handshake(this.swarm.infoHash,this.swarm.client.peerId,e),this.sentHandshake=!0},r.prototype.startConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout),e.connectTimeout=setTimeout(function(){e.destroy(Error("connect timeout"))},"webrtc"===e.type?25e3:5e3),e.connectTimeout.unref&&e.connectTimeout.unref()},r.prototype.startHandshakeTimeout=function(){var e=this;clearTimeout(e.handshakeTimeout),e.handshakeTimeout=setTimeout(function(){e.destroy(Error("handshake timeout"))},25e3),e.handshakeTimeout.unref&&e.handshakeTimeout.unref()},r.prototype.destroy=function(e){if(!this.destroyed){this.destroyed=!0,this.connected=!1,s("destroy %s (error: %s)",this.id,e&&(e.message||e)),clearTimeout(this.connectTimeout),clearTimeout(this.handshakeTimeout);var t=this.swarm,n=this.conn,r=this.wire;this.swarm=null,this.conn=null,this.wire=null,t&&r&&o(t.wires,t.wires.indexOf(r)),n&&(n.on("error",i),n.destroy()),r&&r.destroy(),t&&t.removePeer(this.id)}}},{"./webconn":6,"bittorrent-protocol":14,debug:30,"unordered-array-remove":111}],4:[function(e,t,n){function r(e){var t=this;t._torrent=e,t._numPieces=e.pieces.length,t._pieces=[],t._onWire=function(e){t.recalculate(),t._initWire(e)},t._onWireHave=function(e){t._pieces[e]+=1},t._onWireBitfield=function(){t.recalculate()},t._torrent.wires.forEach(function(e){t._initWire(e)}),t._torrent.on("wire",t._onWire),t.recalculate()}function i(){return!0}t.exports=r,r.prototype.getRarestPiece=function(e){e||(e=i);for(var t=[],n=1/0,r=0;r<this._numPieces;++r)if(e(r)){var o=this._pieces[r];o===n?t.push(r):o<n&&(t=[r],n=o)}return t.length>0?t[Math.random()*t.length|0]:-1},r.prototype.destroy=function(){var e=this;e._torrent.removeListener("wire",e._onWire),e._torrent.wires.forEach(function(t){e._cleanupWireEvents(t)}),e._torrent=null,e._pieces=null,e._onWire=null,e._onWireHave=null,e._onWireBitfield=null},r.prototype._initWire=function(e){var t=this;e._onClose=function(){t._cleanupWireEvents(e);for(var n=0;n<this._numPieces;++n)t._pieces[n]-=e.peerPieces.get(n)},e.on("have",t._onWireHave),e.on("bitfield",t._onWireBitfield),e.once("close",e._onClose)},r.prototype.recalculate=function(){for(e=0;e<this._numPieces;++e)this._pieces[e]=0;var e,t=this._torrent.wires.length;for(e=0;e<t;++e)for(var n=this._torrent.wires[e],r=0;r<this._numPieces;++r)this._pieces[r]+=n.peerPieces.get(r)},r.prototype._cleanupWireEvents=function(e){e.removeListener("have",this._onWireHave),e.removeListener("bitfield",this._onWireBitfield),e._onClose&&e.removeListener("close",e._onClose),e._onClose=null}},{}],5:[function(e,t,r){(function(n,r){function i(e,t,n){l.call(this),this._debugId="unknown infohash",this.client=t,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||4,this._rechokeNumSlots=!1===n.uploads||0===n.uploads?0:+n.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this.ready=!1,this.destroyed=!1,this.paused=!1,this.done=!1,this.metadata=null,this.store=null,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=[],this._critical=[],this.wires=[],this._queue=[],this._peers={},this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=U(),this._uploadSpeed=U(),this._servers=[],this._xsRequests=[],this._fileModtimes=n.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}function o(e,t){return 2+Math.ceil(t*e.downloadSpeed()/C.BLOCK_LENGTH)}function s(){}t.exports=i;var a,u=e("addr-to-ip-port"),c=e("bitfield"),f=e("chunk-store-stream/write"),h=e("debug")("webtorrent:torrent"),d=e("torrent-discovery"),l=e("events").EventEmitter,p=e("xtend"),m=e("xtend/mutable"),g=e("fs"),y=e("fs-chunk-store"),_=e("simple-get"),v=e("immediate-chunk-store"),b=e("inherits"),w=e("multistream"),E=e("net"),k=e("os"),x=e("run-parallel"),S=e("run-parallel-limit"),I=e("parse-torrent"),B=e("path"),C=e("torrent-piece"),A=e("pump"),T=e("random-iterate"),L=e("simple-sha1"),U=e("speedometer"),R=e("uniq"),O=e("ut_metadata"),P=e("ut_pex"),M=e("./file"),j=e("./peer"),H=e("./rarity-map"),N=e("./server"),q=3*C.BLOCK_LENGTH,D=[1e3,5e3,15e3],W="WebTorrent/"+e("../package.json").version+" (https://webtorrent.io)";try{a=B.join(g.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){a=B.join("function"==typeof k.tmpdir?k.tmpdir():"/","webtorrent")}b(i,l),Object.defineProperty(i.prototype,"timeRemaining",{get:function(){return this.done?0:0===this.downloadSpeed?1/0:(this.length-this.downloaded)/this.downloadSpeed*1e3}}),Object.defineProperty(i.prototype,"downloaded",{get:function(){if(!this.bitfield)return 0;for(var e=0,t=0,n=this.pieces.length;t<n;++t)if(this.bitfield.get(t))e+=t===n-1?this.lastPieceLength:this.pieceLength;else{var r=this.pieces[t];e+=r.length-r.missing}return e}}),Object.defineProperty(i.prototype,"downloadSpeed",{get:function(){return this._downloadSpeed()}}),Object.defineProperty(i.prototype,"uploadSpeed",{get:function(){return this._uploadSpeed()}}),Object.defineProperty(i.prototype,"progress",{get:function(){return this.length?this.downloaded/this.length:0}}),Object.defineProperty(i.prototype,"ratio",{get:function(){return this.uploaded/(this.received||1)}}),Object.defineProperty(i.prototype,"numPeers",{get:function(){return this.wires.length}}),Object.defineProperty(i.prototype,"torrentFileBlobURL",{get:function(){if("undefined"==typeof window)throw Error("browser-only property");return this.torrentFile?URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"})):null}}),Object.defineProperty(i.prototype,"_numQueued",{get:function(){return this._queue.length+(this._peersLength-this._numConns)}}),Object.defineProperty(i.prototype,"_numConns",{get:function(){var e=0;for(var t in this._peers)this._peers[t].connected&&(e+=1);return e}}),Object.defineProperty(i.prototype,"swarm",{get:function(){return console.warn("WebTorrent: `torrent.swarm` is deprecated. Use `torrent` directly instead."),this}}),i.prototype._onTorrentId=function(e){var t,r=this;if(!r.destroyed){try{t=I(e)}catch(e){}t?(r.infoHash=t.infoHash,r._debugId=t.infoHash.toString("hex").substring(0,7),n.nextTick(function(){r.destroyed||r._onParsedTorrent(t)})):I.remote(e,function(e,t){if(!r.destroyed)return e?r._destroy(e):void r._onParsedTorrent(t)})}},i.prototype._onParsedTorrent=function(e){var t=this;
1if(!t.destroyed){if(t._processParsedTorrent(e),!t.infoHash)return t._destroy(Error("Malformed torrent data: No info hash"));t.path||(t.path=B.join(a,t.infoHash)),t._rechokeIntervalId=setInterval(function(){t._rechoke()},1e4),t._rechokeIntervalId.unref&&t._rechokeIntervalId.unref(),t.emit("_infoHash",t.infoHash),t.destroyed||(t.emit("infoHash",t.infoHash),t.destroyed||(t.client.listening?t._onListening():t.client.once("listening",function(){t._onListening()})))}},i.prototype._processParsedTorrent=function(e){this._debugId=e.infoHash.toString("hex").substring(0,7),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)),R(e.announce),R(e.urlList),m(this,e),this.magnetURI=I.toMagnetURI(e),this.torrentFile=I.toTorrentFile(e)},i.prototype._onListening=function(){var e=this;if(!e.discovery&&!e.destroyed){var t=e.client.tracker;t&&(t=p(e.client.tracker,{getAnnounceOpts:function(){var t={uploaded:e.uploaded,downloaded:e.downloaded,left:Math.max(e.length-e.downloaded,0)};return e.client.tracker.getAnnounceOpts&&m(t,e.client.tracker.getAnnounceOpts()),e._getAnnounceOpts&&m(t,e._getAnnounceOpts()),t}})),e.discovery=new d({infoHash:e.infoHash,announce:e.announce,peerId:e.client.peerId,dht:!e.private&&e.client.dht,tracker:t,port:e.client.torrentPort,userAgent:W}),e.discovery.on("error",function(t){e._destroy(t)}),e.discovery.on("peer",function(t){"string"==typeof t&&e.done||e.addPeer(t)}),e.discovery.on("trackerAnnounce",function(){e.emit("trackerAnnounce"),0===e.numPeers&&e.emit("noPeers","tracker")}),e.discovery.on("dhtAnnounce",function(){e.emit("dhtAnnounce"),0===e.numPeers&&e.emit("noPeers","dht")}),e.discovery.on("warning",function(t){e.emit("warning",t)}),e.info?e._onMetadata(e):e.xs&&e._getMetadataFromServer()}},i.prototype._getMetadataFromServer=function(){var e=this;x((Array.isArray(e.xs)?e.xs:[e.xs]).map(function(t){return function(n){(function(t,n){var r;if(0!==t.indexOf("http://")&&0!==t.indexOf("https://"))return e.emit("warning",Error("skipping non-http xs param: "+t)),n(null);try{r=_.concat({url:t,method:"GET",headers:{"user-agent":W}},function(r,i,o){var s;if(e.destroyed||e.metadata)return n(null);if(r)return e.emit("warning",Error("http error from xs param: "+t)),n(null);if(200!==i.statusCode)return e.emit("warning",Error("non-200 status code "+i.statusCode+" from xs param: "+t)),n(null);try{s=I(o)}catch(e){}return s?s.infoHash!==e.infoHash?(e.emit("warning",Error("got torrent file with incorrect info hash from xs param: "+t)),n(null)):(e._onMetadata(s),void n(null)):(e.emit("warning",Error("got invalid torrent file from xs param: "+t)),n(null))})}catch(r){return e.emit("warning",Error("skipping invalid url xs param: "+t)),n(null)}e._xsRequests.push(r)})(t,n)}}))},i.prototype._onMetadata=function(e){var t,n=this;if(!n.metadata&&!n.destroyed){if(n._debug("got metadata"),n._xsRequests.forEach(function(e){e.abort()}),n._xsRequests=[],e&&e.infoHash)t=e;else try{t=I(e)}catch(e){return n._destroy(e)}n._processParsedTorrent(t),n.metadata=n.torrentFile,n.client.enableWebSeeds&&n.urlList.forEach(function(e){n.addWebSeed(e)}),0!==n.pieces.length&&n.select(0,n.pieces.length-1,!1),n._rarityMap=new H(n),n.store=new v(new n._store(n.pieceLength,{torrent:{infoHash:n.infoHash},files:n.files.map(function(e){return{path:B.join(n.path,e.path),length:e.length,offset:e.offset}}),length:n.length})),n.files=n.files.map(function(e){return new M(n,e)}),n._hashes=n.pieces,n.pieces=n.pieces.map(function(e,t){return new C(t===n.pieces.length-1?n.lastPieceLength:n.pieceLength)}),n._reservations=n.pieces.map(function(){return[]}),n.bitfield=new c(n.pieces.length),n.wires.forEach(function(e){e.ut_metadata&&e.ut_metadata.setMetadata(n.metadata),n._onWireWithMetadata(e)}),n._debug("verifying existing torrent data"),n._fileModtimes&&n._store===y?n.getFileModtimes(function(e,t){if(e)return n._destroy(e);if(n.files.map(function(e,r){return t[r]===n._fileModtimes[r]}).every(function(e){return e})){for(var r=0;r<n.pieces.length;r++)n._markVerified(r);n._onStore()}else n._verifyPieces()}):n._verifyPieces(),n.emit("metadata")}},i.prototype.getFileModtimes=function(e){var t=this,n=[];S(t.files.map(function(e,r){return function(i){g.stat(B.join(t.path,e.path),function(e,t){if(e&&"ENOENT"!==e.code)return i(e);n[r]=t&&t.mtime.getTime(),i(null)})}}),2,function(r){t._debug("done getting file modtimes"),e(r,n)})},i.prototype._verifyPieces=function(){var e=this;S(e.pieces.map(function(t,r){return function(t){if(e.destroyed)return t(Error("torrent is destroyed"));e.store.get(r,function(i,o){return e.destroyed?t(Error("torrent is destroyed")):i?n.nextTick(t,null):void L(o,function(n){if(e.destroyed)return t(Error("torrent is destroyed"));if(n===e._hashes[r]){if(!e.pieces[r])return;e._debug("piece verified %s",r),e._markVerified(r)}else e._debug("piece invalid %s",r);t(null)})})}}),2,function(t){if(t)return e._destroy(t);e._debug("done verifying"),e._onStore()})},i.prototype._markVerified=function(e){this.pieces[e]=null,this._reservations[e]=null,this.bitfield.set(e,!0)},i.prototype._onStore=function(){this.destroyed||(this._debug("on store"),this.ready=!0,this.emit
1("ready"),this._checkDone(),this._updateSelections())},i.prototype.destroy=function(e){this._destroy(null,e)},i.prototype._destroy=function(e,t){var n=this;if(!n.destroyed){for(var r in n.destroyed=!0,n._debug("destroy"),n.client._remove(n),clearInterval(n._rechokeIntervalId),n._xsRequests.forEach(function(e){e.abort()}),n._rarityMap&&n._rarityMap.destroy(),n._peers)n.removePeer(r);n.files.forEach(function(e){e instanceof M&&e._destroy()});var i=n._servers.map(function(e){return function(t){e.destroy(t)}});n.discovery&&i.push(function(e){n.discovery.destroy(e)}),n.store&&i.push(function(e){n.store.close(e)}),x(i,t),e&&(0===n.listenerCount("error")?n.client.emit("error",e):n.emit("error",e)),n.emit("close"),n.client=null,n.files=[],n.discovery=null,n.store=null,n._rarityMap=null,n._peers=null,n._servers=null,n._xsRequests=null}},i.prototype.addPeer=function(e){if(this.destroyed)throw Error("torrent is destroyed");if(!this.infoHash)throw Error("addPeer() must not be called before the `infoHash` event");if(this.client.blocked){if("string"==typeof e){try{n=u(e)}catch(t){return this._debug("ignoring peer: invalid %s",e),this.emit("invalidPeer",e),!1}t=n[0]}else"string"==typeof e.remoteAddress&&(t=e.remoteAddress);if(t&&this.client.blocked.contains(t))return this._debug("ignoring peer: blocked %s",e),"string"!=typeof e&&e.destroy(),this.emit("blockedPeer",e),!1}var t,n,r=!!this._addPeer(e);return r?this.emit("peer",e):this.emit("invalidPeer",e),r},i.prototype._addPeer=function(e){if(this.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!this._validAddr(e))return this._debug("ignoring peer: invalid %s",e),null;var t,n=e&&e.id||e;return this._peers[n]?(this._debug("ignoring peer: duplicate (%s)",n),"string"!=typeof e&&e.destroy(),null):this.paused?(this._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null):(this._debug("add peer %s",n),t="string"==typeof e?j.createTCPOutgoingPeer(e,this):j.createWebRTCPeer(e,this),this._peers[t.id]=t,this._peersLength+=1,"string"==typeof e&&(this._queue.push(t),this._drain()),t)},i.prototype.addWebSeed=function(e){if(this.destroyed)throw Error("torrent is destroyed");if(!/^https?:\/\/.+/.test(e))return this.emit("warning",Error("ignoring invalid web seed: "+e)),void this.emit("invalidPeer",e);if(this._peers[e])return this.emit("warning",Error("ignoring duplicate web seed: "+e)),void this.emit("invalidPeer",e);this._debug("add web seed %s",e);var t=j.createWebSeedPeer(e,this);this._peers[t.id]=t,this._peersLength+=1,this.emit("peer",e)},i.prototype._addIncomingPeer=function(e){return this.destroyed?e.destroy(Error("torrent is destroyed")):this.paused?e.destroy(Error("torrent is paused")):(this._debug("add incoming peer %s",e.id),this._peers[e.id]=e,void(this._peersLength+=1))},i.prototype.removePeer=function(e){var t=e&&e.id||e;(e=this._peers[t])&&(this._debug("removePeer %s",t),delete this._peers[t],this._peersLength-=1,e.destroy(),this._drain())},i.prototype.select=function(e,t,n,r){if(this.destroyed)throw Error("torrent is destroyed");if(e<0||t<e||this.pieces.length<=t)throw Error("invalid selection ",e,":",t);n=Number(n)||0,this._debug("select %s-%s (priority %s)",e,t,n),this._selections.push({from:e,to:t,offset:0,priority:n,notify:r||s}),this._selections.sort(function(e,t){return t.priority-e.priority}),this._updateSelections()},i.prototype.deselect=function(e,t,n){if(this.destroyed)throw Error("torrent is destroyed");n=Number(n)||0,this._debug("deselect %s-%s (priority %s)",e,t,n);for(var r=0;r<this._selections.length;++r){var i=this._selections[r];if(i.from===e&&i.to===t&&i.priority===n){this._selections.splice(r,1);break}}this._updateSelections()},i.prototype.critical=function(e,t){if(this.destroyed)throw Error("torrent is destroyed");this._debug("critical %s-%s",e,t);for(var n=e;n<=t;++n)this._critical[n]=!0;this._updateSelections()},i.prototype._onWire=function(e,t){var r=this;if(r._debug("got wire %s (%s)",e._debugId,t||"Unknown"),e.on("download",function(e){r.destroyed||(r.received+=e,r._downloadSpeed(e),r.client._downloadSpeed(e),r.emit("download",e),r.client.emit("download",e))}),e.on("upload",function(e){r.destroyed||(r.uploaded+=e,r._uploadSpeed(e),r.client._uploadSpeed(e),r.emit("upload",e),r.client.emit("upload",e))}),r.wires.push(e),t){var i=u(t);e.remoteAddress=i[0],e.remotePort=i[1]}r.client.dht&&r.client.dht.listening&&e.on("port",function(n){if(!r.destroyed&&!r.client.dht.destroyed){
1if(!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(3e4,!0),e.setKeepAlive(!0),e.use(O(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 P||r.private||(e.use(P()),e.ut_pex.on("peer",function(e){r.done||(r._debug("ut_pex: got peer: %s (from %s)",e,t),r.addPeer(e))}),e.ut_pex.on("dropped",function(e){var n=r._peers[e];n&&!n.connected&&(r._debug("ut_pex: dropped peer: %s (from %s)",e,t),r.removePeer(e))}),e.once("close",function(){e.ut_pex.reset()})),r.emit("wire",e,t),r.metadata&&n.nextTick(function(){r._onWireWithMetadata(e)})},i.prototype._onWireWithMetadata=function(e){function t(){i.destroyed||e.destroyed||(i._numQueued>2*(i._numConns-i.numPeers)&&e.amInterested?e.destroy():(o=setTimeout(t,5e3)).unref&&o.unref())}function n(){if(e.peerPieces.buffer.length===i.bitfield.buffer.length){for(r=0;r<i.pieces.length;++r)if(!e.peerPieces.get(r))return;e.isSeeder=!0,e.choke()}}var r,i=this,o=null;e.on("bitfield",function(){n(),i._update()}),e.on("have",function(){n(),i._update()}),e.once("interested",function(){e.unchoke()}),e.once("close",function(){clearTimeout(o)}),e.on("choke",function(){clearTimeout(o),(o=setTimeout(t,5e3)).unref&&o.unref()}),e.on("unchoke",function(){clearTimeout(o),i._update()}),e.on("request",function(t,n,r,o){if(r>131072)return e.destroy();i.pieces[t]||i.store.get(t,{offset:n,length:r},o)}),e.bitfield(i.bitfield),e.interested(),e.peerExtensions.dht&&i.client.dht&&i.client.dht.listening&&e.port(i.client.dht.address().port),"webSeed"!==e.type&&(o=setTimeout(t,5e3)).unref&&o.unref(),e.isSeeder=!1,n()},i.prototype._updateSelections=function(){var e=this;e.ready&&!e.destroyed&&(n.nextTick(function(){e._gcSelections()}),e._updateInterest(),e._update())},i.prototype._gcSelections=function(){for(var e=0;e<this._selections.length;++e){for(var t=this._selections[e],n=t.offset;this.bitfield.get(t.from+t.offset)&&t.from+t.offset<t.to;)t.offset+=1;n!==t.offset&&t.notify(),t.to===t.from+t.offset&&this.bitfield.get(t.from+t.offset)&&(this._selections.splice(e,1),e-=1,t.notify(),this._updateInterest())}this._selections.length||this.emit("idle")},i.prototype._updateInterest=function(){var e=this,t=e._amInterested;e._amInterested=!!e._selections.length,e.wires.forEach(function(t){e._amInterested?t.interested():t.uninterested()}),t!==e._amInterested&&(e._amInterested?e.emit("interested"):e.emit("uninterested"))},i.prototype._update=function(){if(!this.destroyed)for(var e,t=T(this.wires);e=t();)this._updateWire(e)},i.prototype._updateWire=function(e){function t(t,n,r,i){return function(o){return o>=t&&o<=n&&!(o in r)&&e.peerPieces.get(o)&&(!i||i(o))}}function n(e){for(var t=e,n=e;n<i._selections.length&&i._selections[n].priority;n++)t=n;var r=i._selections[e];i._selections[e]=i._selections[t],i._selections[t]=r}function r(r){if(e.requests.length>=a)return!0;for(var o=function(){var t=e.downloadSpeed()||1;if(t>q)return function(){return!0};var n=Math.max(1,e.requests.length)*C.BLOCK_LENGTH/t,r=10,o=0;return function(e){if(!r||i.bitfield.get(e))return!0;for(var s=i.pieces[e].missing;o<i.wires.length;o++){var a=i.wires[o],u=a.downloadSpeed();if(!(u<q)&&!(u<=t)&&a.peerPieces.get(e)&&!((s-=u*n)>0))return r--,!1}return!0}}(),s=0;s<i._selections.length;s++){var u,c=i._selections[s];if("rarest"===i.strategy)for(var f=c.from+c.offset,h=c.to,d=h-f+1,l={},p=0,m=t(f,h,l,o);p<d&&!((u=i._rarityMap.getRarestPiece(m))<0);){for(;i._request(e,u,i._critical[u]||r););if(!(e.requests.length<a))return c.priority&&n(s),!0;l[u]=!0,p++}else for(u=c.from+c.offset;u<=c.to;u++)if(e.peerPieces.get(u)&&o(u)){for(;i._request(e,u,i._critical[u]||r););if(!(e.requests.length<a))return c.priority&&n(s),!0}}return!1}var i=this;if(!e.peerChoking){if(!e.downloaded)return function(){if(!e.requests.length)for(var n=i._selections.length;n--;){var r,o=i._selections[n];if("rarest"===i.strategy)for(var s=o.from+o.offset,a=o.to,u=a-s+1,c={},f=0,h=t(s,a,c);f<u&&!((r=i._rarityMap.getRarestPiece(h))<0);){if(i._request(e,r,!1))return;c[r]=!0,f+=1}
1else for(r=o.to;r>=o.from+o.offset;--r)if(e.peerPieces.get(r)&&i._request(e,r,!1))return}}();var s=o(e,.5);if(!(e.requests.length>=s)){var a=o(e,1);r(!1)||r(!0)}}},i.prototype._rechoke=function(){var e=this;if(e.ready){e._rechokeOptimisticTime>0?e._rechokeOptimisticTime-=1:e._rechokeOptimisticWire=null;var t=[];e.wires.forEach(function(n){n.isSeeder||n===e._rechokeOptimisticWire||t.push({wire:n,downloadSpeed:n.downloadSpeed(),uploadSpeed:n.uploadSpeed(),salt:Math.random(),isChoked:!0})}),t.sort(function(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});for(var n=0,r=0;r<t.length&&n<e._rechokeNumSlots;++r)t[r].isChoked=!1,t[r].wire.peerInterested&&(n+=1);if(!e._rechokeOptimisticWire&&r<t.length&&e._rechokeNumSlots){var i=t.slice(r).filter(function(e){return e.wire.peerInterested}),o=i[Math.random()*i.length|0];o&&(o.isChoked=!1,e._rechokeOptimisticWire=o.wire,e._rechokeOptimisticTime=2)}t.forEach(function(e){e.wire.amChoking!==e.isChoked&&(e.isChoked?e.wire.choke():e.wire.unchoke())})}},i.prototype._hotswap=function(e,t){var n=e.downloadSpeed();if(n<C.BLOCK_LENGTH||!this._reservations[t])return!1;var r=this._reservations[t];if(!r)return!1;var i,o,s=1/0;for(o=0;o<r.length;o++){var a=r[o];if(a&&a!==e){var u=a.downloadSpeed();u>=q||2*u>n||u>s||(i=a,s=u)}}if(!i)return!1;for(o=0;o<r.length;o++)r[o]===i&&(r[o]=null);for(o=0;o<i.requests.length;o++){var c=i.requests[o];c.piece===t&&this.pieces[t].cancel(c.offset/C.BLOCK_LENGTH|0)}return this.emit("hotswap",i,e,t),!0},i.prototype._request=function(e,t,r){function i(){n.nextTick(function(){a._update()})}var s,a=this,u=e.requests.length,c="webSeed"===e.type;if(a.bitfield.get(t)||u>=(c?Math.min((s=a.pieceLength,1+Math.ceil(1*e.downloadSpeed()/s)),a.maxWebConns):o(e,1)))return!1;var f=a.pieces[t],h=c?f.reserveRemaining():f.reserve();if(-1===h&&r&&a._hotswap(e,t)&&(h=c?f.reserveRemaining():f.reserve()),-1===h)return!1;var d=a._reservations[t];d||(d=a._reservations[t]=[]);var l=d.indexOf(null);-1===l&&(l=d.length),d[l]=e;var p=f.chunkOffset(h),m=c?f.chunkLengthRemaining(h):f.chunkLength(h);return e.request(t,p,m,function n(r,o){if(!a.destroyed){if(!a.ready)return a.once("ready",function(){n(r,o)});if(d[l]===e&&(d[l]=null),f!==a.pieces[t])return i();if(r)return a._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,p,m,e.remoteAddress+":"+e.remotePort,r.message),c?f.cancelRemaining(h):f.cancel(h),void i();if(a._debug("got piece %s (offset: %s length: %s) from %s",t,p,m,e.remoteAddress+":"+e.remotePort),!f.set(h,o,e))return i();var s=f.flush();L(s,function(e){if(!a.destroyed){if(e===a._hashes[t]){if(!a.pieces[t])return;a._debug("piece verified %s",t),a.pieces[t]=null,a._reservations[t]=null,a.bitfield.set(t,!0),a.store.put(t,s),a.wires.forEach(function(e){e.have(t)}),a._checkDone()&&!a.destroyed&&a.discovery.complete()}else a.pieces[t]=new C(f.length),a.emit("warning",Error("Piece "+t+" failed verification"));i()}})}}),!0},i.prototype._checkDone=function(){var e=this;if(!e.destroyed){e.files.forEach(function(t){if(!t.done){for(var n=t._startPiece;n<=t._endPiece;++n)if(!e.bitfield.get(n))return;t.done=!0,t.emit("done"),e._debug("file done: "+t.name)}});for(var t=!0,n=0;n<e._selections.length;n++){for(var r=e._selections[n],i=r.from;i<=r.to;i++)if(!e.bitfield.get(i)){t=!1;break}if(!t)break}return!e.done&&t&&(e.done=!0,e._debug("torrent done: "+e.infoHash),e.emit("done")),e._gcSelections(),t}},i.prototype.load=function(e,t){var n=this;if(n.destroyed)throw Error("torrent is destroyed");if(!n.ready)return n.once("ready",function(){n.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=s),A(new w(e),new f(n.store,n.pieceLength),function(e){if(e)return t(e);n.pieces.forEach(function(e,t){n.pieces[t]=null,n._reservations[t]=null,n.bitfield.set(t,!0)}),n._checkDone(),t(null)})},i.prototype.createServer=function(e){if("function"!=typeof N)throw Error("node.js-only method");if(this.destroyed)throw Error("torrent is destroyed");var t=new N(this,e);return this._servers.push(t),t},i.prototype.pause=function(){this.destroyed||(this._debug("pause"),this.paused=!0)},i.prototype.resume=function(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())},i.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this.client._debugId+"] ["+this._debugId+"] "+e[0],h.apply(null,e)},i.prototype._drain=function(){var e=this;if(this._debug("_drain numConns %s maxConns %s",e._numConns,e.client.maxConns),!("function"!=typeof E.connect||e.destroyed||e.paused||e._numConns>=e.client.maxConns)){this._debug("drain (%s queued, %s/%s peers)",e._numQueued,e.numPeers,e.client.maxConns);var t=e._queue.shift();if(t){this._debug("tcp connect attempt to %s",t.addr);var n=u(t.addr),r={host:n[0],port:n[1]},i=t.conn=E.connect(r);i.once("connect",function(){t.onConnect()}),i.once("error",function(e){t.destroy(e)}),t.startConnectTimeout(),i.on("close",function(){if(!e.destroyed){
1if(t.retries>=D.length)return void e._debug("conn %s closed: will not re-add (max %s attempts)",t.addr,D.length);var n=D[t.retries];e._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",t.addr,n,t.retries+1);var r=setTimeout(function(){var n=e._addPeer(t.addr);n&&(n.retries=t.retries+1)},n);r.unref&&r.unref()}})}}},i.prototype._validAddr=function(e){try{t=u(e)}catch(e){return!1}var t,n=t[0],r=t[1];return r>0&&r<65535&&!("127.0.0.1"===n&&r===this.client.torrentPort)}}).call(this,e("_process"),void 0!==n.g?n.g:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../package.json":122,"./file":2,"./peer":3,"./rarity-map":4,"./server":21,_process:66,"addr-to-ip-port":7,bitfield:13,"chunk-store-stream/write":26,debug:30,events:34,fs:22,"fs-chunk-store":50,"immediate-chunk-store":40,inherits:41,multistream:58,net:21,os:21,"parse-torrent":62,path:63,pump:67,"random-iterate":72,"run-parallel":86,"run-parallel-limit":85,"simple-get":90,"simple-sha1":92,speedometer:94,"torrent-discovery":106,"torrent-piece":107,uniq:110,ut_metadata:114,ut_pex:21,xtend:119,"xtend/mutable":120}],6:[function(e,t,n){function r(e,t){f.call(this),this.url=e,this.webPeerId=c.sync(e),this._torrent=t,this._init()}t.exports=r;var i=e("bitfield"),o=e("safe-buffer").Buffer,s=e("debug")("webtorrent:webconn"),a=e("simple-get"),u=e("inherits"),c=e("simple-sha1"),f=e("bittorrent-protocol"),h=e("../package.json").version;u(r,f),r.prototype._init=function(){var e=this;e.setKeepAlive(!0),e.once("handshake",function(t,n){if(!e.destroyed){e.handshake(t,e.webPeerId);for(var r=e._torrent.pieces.length,o=new i(r),s=0;s<=r;s++)o.set(s,!0);e.bitfield(o)}}),e.once("interested",function(){s("interested"),e.unchoke()}),e.on("uninterested",function(){s("uninterested")}),e.on("choke",function(){s("choke")}),e.on("unchoke",function(){s("unchoke")}),e.on("bitfield",function(){s("bitfield")}),e.on("request",function(t,n,r,i){s("request pieceIndex=%d offset=%d length=%d",t,n,r),e.httpRequest(t,n,r,i)})},r.prototype.httpRequest=function(e,t,n,r){var i,u=this,c=e*u._torrent.pieceLength+t,f=c+n-1,d=u._torrent.files;if(d.length<=1)i=[{url:u.url,start:c,end:f}];else{var l=d.filter(function(e){return e.offset<=f&&e.offset+e.length>c});if(l.length<1)return r(Error("Could not find file corresponnding to web seed range request"));i=l.map(function(e){var t=e.offset+e.length-1;return{url:u.url+("/"===u.url[u.url.length-1]?"":"/")+e.path,fileOffsetInRange:Math.max(e.offset-c,0),start:Math.max(c-e.offset,0),end:Math.min(t,f-e.offset)}})}var p,m=0,g=!1;i.length>
11&&(p=o.alloc(n)),i.forEach(function(o){function u(e,t){if(e.statusCode<200||e.statusCode>=300)return g=!0,r(Error("Unexpected HTTP status code "+e.statusCode));s("Got data of length %d",t.length),1===i.length?r(null,t):(t.copy(p,o.fileOffsetInRange),++m===i.length&&r(null,p))}var c=o.url,f=o.start,d=o.end;s("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",c,e,t,n,f,d);var l={url:c,method:"GET",headers:{"user-agent":"WebTorrent/"+h+" (https://webtorrent.io)",range:"bytes="+f+"-"+d}};a.concat(l,function(e,t,n){if(!g)return e?"undefined"==typeof window||c.startsWith(window.location.origin+"/")?(g=!0,r(e)):a.head(c,function(t,n){if(!g){if(t)return g=!0,r(t);if(n.statusCode<200||n.statusCode>=300)return g=!0,r(Error("Unexpected HTTP status code "+n.statusCode));if(n.url===c)return g=!0,r(e);l.url=n.url,a.concat(l,function(e,t,n){if(!g)return e?(g=!0,r(e)):void u(t,n)})}}):void u(t,n)})})},r.prototype.destroy=function(){f.prototype.destroy.call(this),this._torrent=null}},{"../package.json":122,bitfield:13,"bittorrent-protocol":14,debug:30,inherits:41,"safe-buffer":88,"simple-get":90,"simple-sha1":92}],7:[function(e,t,n){var r=/^\[?([^\]]+)\]?:(\d+)$/,i={},o=0;t.exports=function(e){if(1e5===o&&t.exports.reset(),!i[e]){var n=r.exec(e);if(!n)throw Error("invalid addr: "+e);i[e]=[n[1],Number(n[2])],o+=1}return i[e]},t.exports.reset=function(){i={},o=0}},{}],8:[function(e,t,n){"use strict";function r(e){var t=e.length;if(t%4>0)throw Error("Invalid string. Length must be a multiple of 4");return"="===e[t-2]?2:"="===e[t-1]?1:0}n.byteLength=function(e){return 3*e.length/4-r(e)},n.toByteArray=function(e){var t,n,i,a,u,c,f=e.length;c=new s(3*f/4-(u=r(e))),i=u>0?f-4:f;var h=0;for(t=0,n=0;t<i;t+=4,n+=3)a=o[e.charCodeAt(t)]<<18|o[e.charCodeAt(t+1)]<<12|o[e.charCodeAt(t+2)]<<6|o[e.charCodeAt(t+3)],c[h++]=a>>16&255,c[h++]=a>>8&255,c[h++]=255&a;return 2===u?(a=o[e.charCodeAt(t)]<<2|o[e.charCodeAt(t+1)]>>4,c[h++]=255&a):1===u&&(a=o[e.charCodeAt(t)]<<10|o[e.charCodeAt(t+1)]<<4|o[e.charCodeAt(t+2)]>>2,c[h++]=a>>8&255,c[h++]=255&a),c},n.fromByteArray=function(e){for(var t,n=e.length,r=n%3,o="",s=[],a=0,u=n-r;a<u;a+=16383)s.push(function(e,t,n){for(var r,o=[],s=t;s<n;s+=3)o.push(i[(r=(e[s]<<16)+(e[s+1]<<8)+e[s+2])>>18&63]+i[r>>12&63]+i[r>>6&63]+i[63&r]);return o.join("")}(e,a,a+16383>u?u:a+16383));return 1===r?o+=i[(t=e[n-1])>>2]+i[t<<4&63]+"==":2===r&&(o+=i[(t=(e[n-2]<<8)+e[n-1])>>10]+i[t>>4&63]+i[t<<2&63]+"="),s.push(o),s.join("")};for(var i=[],o=[],s="undefined"!=typeof Uint8Array?Uint8Array:Array,a="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",u=0,c=a.length;u<c;++u)i[u]=a[u],o[a.charCodeAt(u)]=u;o["-".charCodeAt(0)]=62,o["_".charCodeAt(0)]=63},{}],9:[function(e,t,n){(function(e){function n(e,t,n){for(var r=0,i=1,o=t;o<n;o++){var s=e[o];if(s<58&&s>=48)r=10*r+(s-48);else if(o!==t||43!==s){if(o!==t||45!==s){if(46===s)break;throw Error("not a number: buffer["+o+"] = "+s)}i=-1}}return r*i}function r(t,n,i,o){return null==t||0===t.length?null:("number"!=typeof n&&null==o&&(o=n,n=void 0),"number"!=typeof i&&null==o&&(o=i,i=void 0),r.position=0,r.encoding=o||null,r.data=e.isBuffer(t)?t.slice(n,i):new e(t),r.bytes=r.data.length,r.next())}r.bytes=0,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.buffer()}},r.find=function(e){for(var t=r.position,n=r.data.length,i=r.data;t<n;){if(i[t]===e)return t;t++}throw Error('Invalid data: Missing delimiter "'+String.fromCharCode(e)+'" [0x'+e.toString(16)+"]")},r.dictionary=function(){r.position++;for(var e={};101!==r.data[r.position];)e[r.buffer()]=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=n(r.data,r.position+1,e);return r.position+=e+1-r.position,t},r.buffer=function(){var e=r.find(58),t=n(r.data,r.position,e),i=++e+t;return r.position=i,r.encoding?r.data.toString(r.encoding,e,i):r.data.slice(e,i)},t.exports=r}).call(this,e("buffer").Buffer)},{buffer:24}],10:[function(e,t,n){(function(e){function n(t,r,i){var o=[],s=null;return n._encode(o,t),s=e.concat(o),n.bytes=s.length,e.isBuffer(r)?(s.copy(r,i),r):s}n.bytes=-1,n._floatConversionDetected=!1,n._encode=function(t,r){if(e.isBuffer(r))return t.push(new e(r.length+":")),void t.push(r);if(null!=r)switch(typeof r){case"string":n.buffer(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"),i=new e("d"),o=new e("l");n.buffer=function(t,n){t.push(new e(e.byteLength(n)+":"+n))}
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1("close"),this.end())},i.prototype.end=function(){this._debug("end"),this._onUninterested(),this._onChoke(),m.Duplex.prototype.end.apply(this,arguments)},i.prototype.use=function(e){function t(){}var n=e.prototype.name;if(!n)throw Error('Extension class requires a "name" property on the prototype');this._debug("use extension.name=%s",n);var r=this._nextExt,i=new e(this);"function"!=typeof i.onHandshake&&(i.onHandshake=t),"function"!=typeof i.onExtendedHandshake&&(i.onExtendedHandshake=t),"function"!=typeof i.onMessage&&(i.onMessage=t),this.extendedMapping[r]=n,this._ext[n]=i,this[n]=i,this._nextExt+=1},i.prototype.keepAlive=function(){this._debug("keep-alive"),this._push(_)},i.prototype.handshake=function(e,t,n){if("string"==typeof e?r=c.from(e,"hex"):e=(r=e).toString("hex"),"string"==typeof t?i=c.from(t,"hex"):t=(i=t).toString("hex"),20!==r.length||20!==i.length)throw Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,n);var r,i,o=c.from(k);o[5]|=16,n&&n.dht&&(o[7]|=1),this._push(c.concat([y,o,r,i])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},i.prototype._sendExtendedHandshake=function(){var e=h(this.extendedHandshake);for(var t in e.m={},this.extendedMapping){var n=this.extendedMapping[t];e.m[n]=Number(t)}this.extended(0,a.encode(e)),this._extendedHandshakeSent=!0},i.prototype.choke=function(){if(!this.amChoking){for(this.amChoking=!0,this._debug("choke");this.peerRequests.length;)this.peerRequests.pop();this._push(v)}},i.prototype.unchoke=function(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(b))},i.prototype.interested=function(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(w))},i.prototype.uninterested=function(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(E))},i.prototype.have=function(e){this._debug("have %d",e),this._message(4,[e],null)},i.prototype.bitfield=function(e){this._debug("bitfield"),c.isBuffer(e)||(e=e.buffer),this._message(5,[],e)},i.prototype.request=function(e,t,n,i){return i||(i=function(){}),this._finished?i(Error("wire is closed")):this.peerChoking?i(Error("peer is choking")):(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new r(e,t,n,i)),this._updateTimeout(),void this._message(6,[e,t,n],null))},i.prototype.piece=function(e,t,n){this._debug("piece index=%d offset=%d",e,t),this.uploaded+=n.length,this.uploadSpeed(n.length),this.emit("upload",n.length),this._message(7,[e,t],n)},i.prototype.cancel=function(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(o(this.requests,e,t,n),Error("request was cancelled"),null),this._message(8,[e,t,n],null)},i.prototype.port=function(e){this._debug("port %d",e);var t=c.from(x);t.writeUInt16BE(e,5),this._push(t)},i.prototype.extended=function(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"!=typeof e)throw Error("Unrecognized extension: "+e);var n=c.from([e]),r=c.isBuffer(t)?t:a.encode(t);this._message(20,[],c.concat([n,r]))},i.prototype._read=function(){},i.prototype._message=function(e,t,n){var r=n?n.length:0,i=c.allocUnsafe(5+4*t.length);i.writeUInt32BE(i.length+r-4,0),i[4]=e;for(var o=0;o<t.length;o++)i.writeUInt32BE(t[o],5+4*o);this._push(i),n&&this._push(n)},i.prototype._push=function(e){if(!this._finished)return this.push(e)},i.prototype._onKeepAlive=function(){this._debug("got keep-alive"),this.emit("keep-alive")},i.prototype._onHandshake=function(e,t,n){var r,i=e.toString("hex"),o=t.toString("hex");for(r in this._debug("got handshake i=%s p=%s exts=%o",i,o,n),this.peerId=o,this.peerIdBuffer=t,this.peerExtensions=n,this.emit("handshake",i,o,n),this._ext)this._ext[r].onHandshake(i,o,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},i.prototype._onChoke=function(){for(this.peerChoking=!0,this._debug("got choke"),this.emit("choke");this.requests.length;)this._callback(this.requests.pop(),Error("peer is choking"),null)},i.prototype._onUnchoke=function(){this.peerChoking=!1,this._debug("got unchoke"),this.emit
1("unchoke")},i.prototype._onInterested=function(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")},i.prototype._onUninterested=function(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")},i.prototype._onHave=function(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))},i.prototype._onBitField=function(e){this.peerPieces=new u(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)},i.prototype._onRequest=function(e,t,n){var i=this;if(!i.amChoking){i._debug("got request index=%d offset=%d length=%d",e,t,n);var s=function(r,s){if(a===o(i.peerRequests,e,t,n))return r?i._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,r.message):void i.piece(e,t,s)},a=new r(e,t,n,s);i.peerRequests.push(a),i.emit("request",e,t,n,s)}},i.prototype._onPiece=function(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(o(this.requests,e,t,n.length),null,n),this.downloaded+=n.length,this.downloadSpeed(n.length),this.emit("download",n.length),this.emit("piece",e,t,n)},i.prototype._onCancel=function(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),o(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)},i.prototype._onPort=function(e){this._debug("got port %d",e),this.emit("port",e)},i.prototype._onExtended=function(e,t){if(0===e){var n,r;try{n=a.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(n){if(this.peerExtendedHandshake=n,"object"==typeof n.m)for(r in n.m)this.peerExtendedMapping[r]=Number(n.m[r].toString());for(r in this._ext)this.peerExtendedMapping[r]&&this._ext[r].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)}
1,i.prototype._onTimeout=function(){this._debug("request timed out"),this._callback(this.requests.shift(),Error("request has timed out"),null),this.emit("timeout")},i.prototype._write=function(e,t,n){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){var r=1===this._buffer.length?this._buffer[0]:c.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[r.slice(this._parserSize)]:[],this._parser(r.slice(0,this._parserSize))}n(null)},i.prototype._callback=function(e,t,n){e&&(this._clearTimeout(),this.peerChoking||this._finished||this._updateTimeout(),e.callback(t,n))},i.prototype._clearTimeout=function(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)},i.prototype._updateTimeout=function(){var e=this;e._timeoutMs&&e.requests.length&&!e._timeout&&(e._timeout=setTimeout(function(){e._onTimeout()},e._timeoutMs),e._timeoutUnref&&e._timeout.unref&&e._timeout.unref())},i.prototype._parse=function(e,t){this._parserSize=e,this._parser=t},i.prototype._onMessageLength=function(e){var t=e.readUInt32BE(0);t>0?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))},i.prototype._onMessage=function(e){switch(this._parse(4,this._onMessageLength),e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",e)}},i.prototype._parseHandshake=function(){var e=this;e._parse(1,function(t){var n=t.readUInt8(0);e._parse(n+48,function(t){var r=t.slice(0,n);if("BitTorrent protocol"!==r.toString())return e._debug("Error: wire not speaking BitTorrent protocol (%s)",r.toString()),void e.end();t=t.slice(n),e._onHandshake(t.slice(8,28),t.slice(28,48),{dht:!!(1&t[7]),extended:!!(16&t[5])}),e._parse(4,e._onMessageLength)})})},i.prototype._onFinish=function(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,function(){});this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),Error("wire was closed"),null)},i.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],f.apply(null,e)}},{bencode:11,bitfield:13,debug:30,inherits:41,randombytes:73,"readable-stream":82,"safe-buffer":88,speedometer:94,"unordered-array-remove":111,xtend:119}],15:[function(e,t,n){(function(n){function r(e){function t(e){n.nextTick(function(){a.emit("warning",e)})}var a=this;if(!(a instanceof r))return new r(e);if(s.call(a),e||(e={}),!e.peerId)throw Error("Option `peerId` is required");if(!e.infoHash)throw Error("Option `infoHash` is required");if(!e.announce)throw Error("Option `announce` is required");if(!n.browser&&!e.port)throw Error("Option `port` is required");a.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),a._peerIdBuffer=i.from(a.peerId,"hex"),a._peerIdBinary=a._peerIdBuffer.toString("binary"),a.infoHash="string"==typeof e.infoHash?e.infoHash:e.infoHash.toString("hex"),a._infoHashBuffer=i.from(a.infoHash,"hex"),a._infoHashBinary=a._infoHashBuffer.toString("binary"),o("new client %s",a.infoHash),a.destroyed=!1,a._port=e.port,a._getAnnounceOpts=e.getAnnounceOpts,a._rtcConfig=e.rtcConfig,a._userAgent=e.userAgent,a._wrtc="function"==typeof e.wrtc?e.wrtc():e.wrtc;var u="string"==typeof e.announce?[e.announce]:null==e.announce?[]:e.announce;u=d(u=u.map(function(e){return"/"===(e=e.toString())[e.length-1]&&(e=e.substring(0,e.length-1)),e}));var c=!1!==a._wrtc&&(!!a._wrtc||h.WEBRTC_SUPPORT);a._trackers=u.map(function(e){var n=l.parse(e).protocol;return"http:"!==n&&"https:"!==n||"function"!=typeof m?"udp:"===n&&"function"==typeof g?new g(a,e):("ws:"===n||"wss:"===n)&&c?"ws:"===n&&"undefined"!=typeof window&&"https:"===window.location.protocol?(t(Error("Unsupported tracker protocol: "+e)),null):new y(a,e):(t(Error("Unsupported tracker protocol: "+e)),null):new m(a,e)}
1).filter(Boolean)}t.exports=r;var i=e("safe-buffer").Buffer,o=e("debug")("bittorrent-tracker:client"),s=e("events").EventEmitter,a=e("xtend"),u=e("inherits"),c=e("once"),f=e("run-parallel"),h=e("simple-peer"),d=e("uniq"),l=e("url"),p=e("./lib/common"),m=e("./lib/client/http-tracker"),g=e("./lib/client/udp-tracker"),y=e("./lib/client/websocket-tracker");u(r,s),r.scrape=function(e,t){if(t=c(t),!e.infoHash)throw Error("Option `infoHash` is required");if(!e.announce)throw Error("Option `announce` is required");var n=new r(a(e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:i.from("01234567890123456789"),port:6881}));n.once("error",t),n.once("warning",t);var o=Array.isArray(e.infoHash)?e.infoHash.length:1,s={};return n.on("scrape",function(e){if(o-=1,s[e.infoHash]=e,0===o){n.destroy();var r=Object.keys(s);1===r.length?t(null,s[r[0]]):t(null,s)}}),e.infoHash=Array.isArray(e.infoHash)?e.infoHash.map(function(e){return i.from(e,"hex")}):i.from(e.infoHash,"hex"),n.scrape({infoHash:e.infoHash}),n},r.prototype.start=function(e){o("send `start`"),(e=this._defaultAnnounceOpts(e)).event="started",this._announce(e),this._trackers.forEach(function(e){e.setInterval()})},r.prototype.stop=function(e){o("send `stop`"),(e=this._defaultAnnounceOpts(e)).event="stopped",this._announce(e)},r.prototype.complete=function(e){o("send `complete`"),e||(e={}),(e=this._defaultAnnounceOpts(e)).event="completed",this._announce(e)},r.prototype.update=function(e){o("send `update`"),(e=this._defaultAnnounceOpts(e)).event&&delete e.event,this._announce(e)},r.prototype._announce=function(e){this._trackers.forEach(function(t){t.announce(e)})},r.prototype.scrape=function(e){o("send `scrape`"),e||(e={}),this._trackers.forEach(function(t){t.scrape(e)})},r.prototype.setInterval=function(e){o("setInterval %d",e),this._trackers.forEach(function(t){t.setInterval(e)})},r.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,o("destroy"),f(this._trackers.map(function(e){return function(t){e.destroy(t)}}),e),this._trackers=[],this._getAnnounceOpts=null)},r.prototype._defaultAnnounceOpts=function(e){return e||(e={}),null==e.numwant&&(e.numwant=p.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),this._getAnnounceOpts&&(e=a(e,this._getAnnounceOpts())),e}}).call(this,e("_process"))},{"./lib/client/http-tracker":21,"./lib/client/udp-tracker":21,"./lib/client/websocket-tracker":17,"./lib/common":18,_process:66,debug:30,events:34,inherits:41,once:60,"run-parallel":86,"safe-buffer":88,"simple-peer":91,uniq:110,url:112,xtend:119}],16:[function(e,t,n){function r(e,t){i.call(this),this.client=e,this.announceUrl=t,this.interval=null,this.destroyed=!1}t.exports=r;var i=e("events").EventEmitter;e("inherits")(r,i),r.prototype.setInterval=function(e){var t=this;null==e&&(e=t.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(t.interval),e&&(t.interval=setInterval(function(){t.announce(t.client._defaultAnnounceOpts())},e),t.interval.unref&&t.interval.unref())}},{events:34,inherits:41}],17:[function(e,t,n){function r(e,t,n){d.call(this,e,t),o("new websocket tracker %s",t),this.peers={},this.socket=null,this.reconnecting=!1,this.retries=0,this.reconnectTimer=null,this.expectingResponse=!1,this._openSocket()}function i(){}t.exports=r;var o=e("debug")("bittorrent-tracker:websocket-tracker"),s=e("xtend"),a=e("inherits"),u=e("simple-peer"),c=e("randombytes"),f=e("simple-websocket"),h=e("../common"),d=e("./tracker"),l={};a(r,d),r.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,r.prototype.announce=function(e){var t=this;if(!t.destroyed&&!t.reconnecting){if(!t.socket.connected)return void t.socket.once("connect",function(){t.announce(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||"completed"===e.event)t._send(n);else{var r=Math.min(e.numwant,10);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 void t.s
1ocket.once("connect",function(){t.scrape(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;t._send({action:"scrape",info_hash:n})}},r.prototype.destroy=function(e){function t(){s&&(clearTimeout(s),s=null),o.removeListener("data",t),o.destroy(),o=null}if(e||(e=i),this.destroyed)return e(null);for(var n in this.destroyed=!0,clearInterval(this.interval),clearTimeout(this.reconnectTimer),this.peers){var r=this.peers[n];clearTimeout(r.trackerTimeout),r.destroy()}if(this.peers=null,this.socket&&(this.socket.removeListener("connect",this._onSocketConnectBound),this.socket.removeListener("data",this._onSocketDataBound),this.socket.removeListener("close",this._onSocketCloseBound),this.socket.removeListener("error",this._onSocketErrorBound),this.socket=null),this._onSocketConnectBound=null,this._onSocketErrorBound=null,this._onSocketDataBound=null,this._onSocketCloseBound=null,l[this.announceUrl]&&(l[this.announceUrl].consumers-=1),l[this.announceUrl].consumers>0)return e();var o=l[this.announceUrl];if(delete l[this.announceUrl],o.on("error",i),o.once("close",e),!this.expectingResponse)return t();var s=setTimeout(t,h.DESTROY_TIMEOUT);o.once("data",t)},r.prototype._openSocket=function(){var e=this;e.destroyed=!1,e.peers||(e.peers={}),e._onSocketConnectBound=function(){e._onSocketConnect()},e._onSocketErrorBound=function(t){e._onSocketError(t)},e._onSocketDataBound=function(t){e._onSocketData(t)},e._onSocketCloseBound=function(){e._onSocketClose()},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.once("connect",e._onSocketConnectBound)),e.socket.on("data",e._onSocketDataBound),e.socket.once("close",e._onSocketCloseBound),e.socket.once("error",e._onSocketErrorBound)},r.prototype._onSocketConnect=function(){this.destroyed||this.reconnecting&&(this.reconnecting=!1,this.retries=0,this.announce(this.client._defaultAnnounceOpts()))},r.prototype._onSocketData=function(e){if(!this.destroyed){this.expectingResponse=!1;try{e=JSON.parse(e)}catch(e){return void this.client.emit("warning",Error("Invalid tracker response"))}"announce"===e.action?this._onAnnounceResponse(e):"scrape"===e.action?this._onScrapeResponse(e):this._onSocketError(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 o("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,h.binaryToHex(e.info_hash),t.client.infoHash);if(!e.peer_id||e.peer_id!==t.client._peerIdBinary){o("received %s from %s for %s",JSON.stringify(e),t.announceUrl,t.client.infoHash);var n,r=e["failure reason"];if(r)return t.client.emit("warning",Error(r));var i=e["warning message"];i&&t.client.emit("warning",Error(i));var s=e.interval||e["min interval"];s&&t.setInterval(1e3*s);var a=e["tracker id"];if(a&&(t._trackerId=a),null!=e.complete){var u=Object.assign({},e,{announce:t.announceUrl,infoHash:h.binaryToHex(e.info_hash)});t.client.emit("update",u)}if(e.offer&&e.peer_id&&(o("creating peer (from remote offer)"),(n=t._createPeer()).id=h.binaryToHex(e.peer_id),n.once("signal",function(n){var r={action:"announce",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)}),n.signal(e.offer),t.client.emit("peer",n)),e.answer&&e.peer_id){var c=h.binaryToHex(e.offer_id);(n=t.peers[c])?(n.id=h.binaryToHex(e.peer_id),n.signal(e.answer),t.client.emit("peer",n),clearTimeout(n.trackerTimeout),n.trackerTimeout=null,delete t.peers[c]):o("got unexpected answer: "+JSON.stringify(e.answer))}}},r.prototype._onScrapeResponse=function(e){var t=this,n=Object.keys(e=e.files||{});if(0===n.length)return void t.client.emit("warning",Error("invalid scrape response"));n.forEach(function(n){var r=Object.assign(e[n],{announce:t.announceUrl,infoHash:h.binaryToHex(n)});t.client.emit("scrape",r)})},r.prototype._onSocketClose=function(){this.destroyed||(this.destroy(),this._startReconnectTimer())},r.prototype._onSocketError=function(e){this.destroyed||(this.destroy(),this.client.emit("warning",e),this._startReconnectTimer())},r.prototype._startReconnectTimer=function(){var e=this,t=Math.floor(3e4*Math.random())+Math.min(15e3*Math.pow(2,e.retries),18e5);e.reconnecting=!0,clearTimeout(e.reconnectTimer),e.reconnectTimer=setTimeout(function(){e.retries++,e._openSocket()},t),e.reconnectTimer.unref&&e.reconnectTimer.unref(),o("reconnecting socket in %s ms",t)},r.prototype._send=function(e){if(!this.destroyed){this.expectingResponse=!0;var t=JSON.stringify(e);o("send %s",t),this.socket.send(t)}},r.prototype._generateOffers=function(e,t){function n(){i.length===e&&(o("generated %s offers",e),t(i))}var r=this,i=[];o("generating %s offers",e);for(var s=0;s<e;++s)!function(){var e=c(20).toString("hex");o("creating peer (from _generateOffers)");var t=r.peers[e]=r._createPeer({initiator:!0});t.once("signal",function(t){i.push({offer:t,offer_id:h.hexToBinary(e)}),n()}),t.trackerTimeout=setTimeout(function(){o("tracker timeout: destroying peer"),t.trackerTimeout=null,delete r.peers[e],t.destroy()},5e4),t.trackerTimeout.unref&&t.trackerTimeout.unref()}();n()},r.prototype._createPeer=function(e){function t(e){n.client.emit("warning",Error("Connection error: "+e.message)),r.destroy()}var n=this,r=new u(e=Object.assign({trickle:!1,config:n.client._rtcConfig,wrtc:n.client._wrtc},e));return r.once("error",t),r.once("connect",function e(){r.removeListener("error",t),r.removeListener("connect",e)}),r}},{"../common":18,"./tracker":16,debug:30,inherits:41,randombytes:73,"simple-peer":91,"simple-websocket":93,xtend:119}],18:[function(e,t,n){var r=e("safe-buffer").Buffer,i=e("xtend/mutable");n.DEFAULT_ANNOUNCE_PEERS=50,n.MAX_ANNOUNCE_PEERS=82,n.binaryToHex=function(e){return"string"!=typeof e&&(e=String(e)),r.from(e,"binary").toString("hex")},n.hexToBinary=function(e){return"string"!=typeof e&&(e=String(e)),r.from(e,"hex").toString("binary")},i(n,e("./common-node"))},{"./common-node":21,"safe-buffer":88,"xtend/mutable":120}],19:[function(e,t,n){(function(e){t.exports=function(t,n){if("undefined"==typeof Blob||!(t instanceof Blob))throw Error("first argument must be a Blob");if("function"!=typeof n)throw Error("second argument must be a function");var r=new FileReader;r.addEventListener("loadend",function t(i){r.removeEventListener("loadend",t,!1),i.error?n(i.error):n(null,new e(r.result))},!1),r.readAsArrayBuffer(t)}}).call(this,e("buffer").Buffer)},{buffer:24}],20:[function(e,t,n){(function(n){function r(e,t){if(!(this instanceof r))return new r(e,t);o.call(this),t||(t={}),"object"==typeof 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1else if(g.length)k||(k=[]),k.pop(),k=k.concat(g),n.search=e.search,n.query=e.query;else if(!s.isNullOrUndefined(e.search)){if(x){n.hostname=n.host=k.shift();var S=!!(n.host&&n.host.indexOf("@")>0)&&n.host.split("@");S&&(n.auth=S.shift(),n.host=n.hostname=S.shift())}return n.search=e.search,n.query=e.query,s.isNull(n.pathname)&&s.isNull(n.search)||(n.path=(n.pathname?n.pathname:"")+(n.search?n.search:"")),n.href=n.format(),n}if(!k.length)return n.pathname=null,n.search?n.path="/"+n.search:n.path=null,n.href=n.format(),n;for(var I=k.slice(-1)[0],B=(n.host||e.host||k.length>1)&&("."===I||".."===I)||""===I,C=0,A=k.length;A>=0;A--)"."===(I=k[A])?k.splice(A,1):".."===I?(k.splice(A,1),C++):C&&(k.splice(A,1),C--);if(!w&&!E)for(;C--;C)k.unshift("..");!w||""===k[0]||k[0]&&"/"===k[0].charAt(0)||k.unshift(""),B&&"/"!==k.join("/").substr(-1)&&k.push("");var T=""===k[0]||k[0]&&"/"===k[0].charAt(0);if(x){n.hostname=n.host=T?"":k.length?k.shift():"";var S=!!(n.host&&n.host.indexOf("@")>0)&&n.host.split("@");S&&(n.auth=S.shift(),n.host=n.hostname=S.shift())}return(w=w||n.host&&k.length)&&!T&&k.unshift(""),k.length?n.pathname=k.join("/"):(n.pathname=null,n.path=null),s.isNull(n.pathname)&&s.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=u.exec(e);t&&(":"!==(t=t[0])&&(this.port=t.substr(1)),e=e.substr(0,e.length-t.length)),e&&(this.hostname=e)}},{"./util":113,punycode:68,querystring:71}],113:[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}}},{}],114:[function(e,t,n){var r=e("bencode"),i=e("bitfield"),o=e("safe-buffer").Buffer,s=e("debug")("ut_metadata"),a=e("events").EventEmitter,u=e("inherits"),c=e("simple-sha1");t.exports=function(e){function t(t){a.call(this),this._wire=t,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._fetching=!1,this._bitfield=new i(0,{grow:1e3}),o.isBuffer(e)&&this.setMetadata(e)}return u(t,a),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?"number"!=typeof e.metadata_size||1e7<e.metadata_size||e.metadata_size<=0?this.emit("warning",Error("Peer gave invalid metadata size")):(this._metadataSize=e.metadata_size,this._numPieces=Math.ceil(this._metadataSize/16384),this._remainingRejects=2*this._numPieces,void(this._fetching&&this._requestPieces())):this.emit("warning",Error("Peer does not have metadata")):this.emit("warning",Error("Peer does not support ut_metadata"))},t.prototype.onMessage=function(e){var t,n;try{var i=e.toString(),o=i.indexOf("ee")+2;t=r.decode(i.substring(0,o)),n=e.slice(o)}catch(e){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;s("set metadata");try{var t=r.decode(e).info;t&&(e=r.encode(t))}catch(e){}return(!this._infoHash||this._infoHash===c.sync(e))&&(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 n=r.encode(e);o.isBuffer(t)&&(n=o.concat([n,t])),this._wire.extended("ut_metadata",n)},t.prototype._request=function(e){this._send({msg_type:0,piece:e})},t.prototype._data=function(e,t,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=16384*e,n=t+16384;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>16384||(t.copy(this.metadata,16384*e),this._bitfield.set(e),this._checkDone())},t.prototype._onReject=function(e){this._remainingRejects>0&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit
1("warning",Error('Peer sent "reject" too much'))},t.prototype._requestPieces=function(){this.metadata=o.alloc(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}e&&(this.setMetadata(this.metadata)||this._failedMetadata())},t.prototype._failedMetadata=function(){this._bitfield=new i(0,{grow:1e3}),this._remainingRejects-=this._numPieces,this._remainingRejects>0?this._requestPieces():this.emit("warning",Error("Peer sent invalid metadata"))},t}},{bencode:11,bitfield:13,debug:30,events:34,inherits:41,"safe-buffer":88,"simple-sha1":92}],115:[function(e,t,r){(function(e){function n(t){try{if(!e.localStorage)return!1}catch(e){return!1}var n=e.localStorage[t];return null!=n&&"true"===String(n).toLowerCase()}t.exports=function(e,t){if(n("noDeprecation"))return e;var r=!1;return function(){if(!r){if(n("throwDeprecation"))throw Error(t);n("traceDeprecation")?console.trace(t):console.warn(t),r=!0}return e.apply(this,arguments)}}}).call(this,void 0!==n.g?n.g:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],116:[function(e,t,n){(function(n){function r(e){a.call(this),this._tracks=[],this._fragmentSequence=1,this._file=e,this._decoder=null,this._findMoov(0)}function i(e,t){this._entries=e,this._countName=t||"count",this._index=0,this._offset=0,this.value=this._entries[0]}function o(){return{version:0,flags:0,entries:[]}}var s=e("binary-search"),a=e("events").EventEmitter,u=e("inherits"),c=e("mp4-stream"),f=e("mp4-box-encoding"),h=e("range-slice-stream");t.exports=r,u(r,a),r.prototype._findMoov=function(e){var t=this;t._decoder&&t._decoder.destroy(),t._decoder=c.decode();var n=t._file.createReadStream({start:e});n.pipe(t._decoder),t._decoder.once("box",function(r){"moov"===r.type?t._decoder.decode(function(e){n.destroy();try{t._processMoov(e)}catch(e){e.message="Cannot parse mp4 file: "+e.message,t.emit("error",e)}}):(n.destroy(),t._findMoov(e+r.length))})},i.prototype.inc=function(){this._offset++,this._offset>=this._entries[this._index][this._countName]&&(this._index++,this._offset=0),this.value=this._entries[this._index]},r.prototype._processMoov=function(e){var t=e.traks;this._tracks=[],this._hasVideo=!1,this._hasAudio=!1;for(var r=0;r<t.length;r++){var s,a,u=t[r],c=u.mdia.minf.stbl,h=c.stsd.entries[0],d=u.mdia.hdlr.handlerType;if("vide"===d&&"avc1"===h.type){if(this._hasVideo)continue;this._hasVideo=!0,s="avc1",h.avcC&&(s+="."+h.avcC.mimeCodec),a='video/mp4; codecs="'+s+'"'}else{if("soun"!==d||"mp4a"!==h.type||this._hasAudio)continue;this._hasAudio=!0,s="mp4a",h.esds&&h.esds.mimeCodec&&(s+="."+h.esds.mimeCodec),a='audio/mp4; codecs="'+s+'"'}var l=[],p=0,m=0,g=0,y=0,_=0,v=0,b=new i(c.stts.entries),w=null;c.ctts&&(w=new i(c.ctts.entries));for(var E=0;;){var k=c.stsc.entries[_],x=c.stsz.entries[p],S=b.value.duration,I=w?w.value.compositionOffset:0,B=!0;if(c.stss&&(B=c.stss.entries[E]===p+1),l.push({size:x,duration:S,dts:v,presentationOffset:I,sync:B,offset:y+c.stco.entries[g]}),++p>=c.stsz.entries.length)break;if(m++,y+=x,m>=k.samplesPerChunk){m=0,y=0,g++;var C=c.stsc.entries[_+1];C&&g+1>=C.firstChunk&&_++}v+=S,b.inc(),w&&w.inc(),B&&E++}u.mdia.mdhd.duration=0,u.tkhd.duration=0;var A=k.sampleDescriptionId,T={type:"moov",mvhd:e.mvhd,traks:[{tkhd:u.tkhd,mdia:{mdhd:u.mdia.mdhd,hdlr:u.mdia.hdlr,elng:u.mdia.elng,minf:{vmhd:u.mdia.minf.vmhd,smhd:u.mdia.minf.smhd,dinf:u.mdia.minf.dinf,stbl:{stsd:c.stsd,stts:o(),ctts:o(),stsc:o(),stsz:o(),stco:o(),stss:o()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:u.tkhd.trackId,defaultSampleDescriptionIndex:A,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};this._tracks.push({trackId:u.tkhd.trackId,timeScale:u.mdia.mdhd.timeScale,samples:l,currSample:null,currTime:null,moov:T,mime:a})}if(0===this._tracks.length)return void this.emit("error",Error("no playable tracks"));e.mvhd.duration=0,this._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};var L=f.encode(this._ftyp),U=this._tracks.map(function(e){var t=f.encode(e.moov);return{mime:e.mime,init:n.concat([L,t])}});
1this.emit("ready",U)},r.prototype.seek=function(e){var t=this;if(!t._tracks)throw 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,i){r.outStream&&r.outStream.destroy(),r.inStream&&(r.inStream.destroy(),r.inStream=null);var o=r.outStream=c.encode(),s=t._generateFragment(i,e);if(!s)return o.finalize();(-1===n||s.ranges[0].start<n)&&(n=s.ranges[0].start),function e(n){o.destroyed||o.box(n.moof,function(s){if(s)return t.emit("error",s);o.destroyed||r.inStream.slice(n.ranges).pipe(o.mediaData(n.length,function(n){if(n)return t.emit("error",n);if(!o.destroyed){var r=t._generateFragment(i);if(!r)return o.finalize();e(r)}}))})}(s)}),n>=0){var r=t._fileStream=t._file.createReadStream({start:n});t._tracks.forEach(function(e){e.inStream=new h(n,{highWaterMark:1e7}),r.pipe(e.inStream)})}return t._tracks.map(function(e){return e.outStream})},r.prototype._findSampleBefore=function(e,t){var n=this._tracks[e],r=Math.floor(n.timeScale*t),i=s(n.samples,r,function(e,t){return e.dts+e.presentationOffset-t});for(-1===i?i=0:i<0&&(i=-i-2);!n.samples[i].sync;)i--;return i},r.prototype._generateFragment=function(e,t){var n,r=this._tracks[e];if((n=void 0!==t?this._findSampleBefore(e,t):r.currSample)>=r.samples.length)return null;for(var i=r.samples[n].dts,o=0,s=[],a=n;a<r.samples.length;a++){var u=r.samples[a];if(u.sync&&u.dts-i>=1*r.timeScale)break;o+=u.size;var c=s.length-1;c<0||s[c].end!==u.offset?s.push({start:u.offset,end:u.offset+u.size}):s[c].end+=u.size}return r.currSample=a,{moof:this._generateMoof(e,n,a),ranges:s,length:o}},r.prototype._generateMoof=function(e,t,n){for(var r=this._tracks[e],i=[],o=t;o<n;o++){var s=r.samples[o];i.push({sampleDuration:s.duration,sampleSize:s.size,sampleFlags:s.sync?33554432:16842752,sampleCompositionTimeOffset:s.presentationOffset})}var a={type:"moof",mfhd:{sequenceNumber:this._fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:r.trackId},tfdt:{baseMediaDecodeTime:r.samples[t].dts},trun:{flags:3841,dataOffset:8,entries:i}}]};return a.trafs[0].trun.dataOffset+=f.encodingLength(a),a}}).call(this,e("buffer").Buffer)},{"binary-search":12,buffer:24,events:34,inherits:41,"mp4-box-encoding":53,"mp4-stream":56,"range-slice-stream":74}],117:[function(e,t,n){function r(e,t,n){var o=this;if(!(this instanceof r))return new r(e,t,n);n=n||{},o.detailedError=null,o._elem=t,o._elemWrapper=new i(t),o._waitingFired=!1,o._trackMeta=null,o._file=e,o._tracks=null,"none"!==o._elem.preload&&o._createMuxer(),o._onError=function(e){o.detailedError=o._elemWrapper.detailedError,o.destroy()},o._onWaiting=function(){o._waitingFired=!0,o._muxer?o._tracks&&o._pump():o._createMuxer()},o._elem.addEventListener("waiting",o._onWaiting),o._elem.addEventListener("error",o._onError)}var i=e("mediasource"),o=e("pump"),s=e("./mp4-remuxer");t.exports=r,r.prototype._createMuxer=function(){var e=this;e._muxer=new s(e._file),e._muxer.on("ready",function(t){e._tracks=t.map(function(t){var n=e._elemWrapper.createWriteStream(t.mime);n.on("error",function(t){e._elemWrapper.error(t)});var r={muxed:null,mediaSource:n,initFlushed:!1,onInitFlushed:null};return n.write(t.init,function(e){r.initFlushed=!0,r.onInitFlushed&&r.onInitFlushed(e)}),r}),(e._waitingFired||"auto"===e._elem.preload)&&e._pump()}),e._muxer.on("error",function(t){e._elemWrapper.error(t)})},r.prototype._pump=function(){var e=this,t=e._muxer.seek(e._elem.currentTime,!e._tracks);e._tracks.forEach(function(n,r){var i=function(){n.muxed&&(n.muxed.destroy(),n.mediaSource=e._elemWrapper.createWriteStream(n.mediaSource),n.mediaSource.on("error",function(t){e._elemWrapper.error(t)})),n.muxed=t[r],o(n.muxed,n.mediaSource)};n.initFlushed?i():n.onInitFlushed=function(t){if(t)return void e._elemWrapper.error(t);i()}})},r.prototype.destroy=function(){this.destroyed||(this.destroyed=!0,this._elem.removeEventListener("waiting",this._onWaiting),this._elem.removeEventListener("error",this._onError),this._tracks&&this._tracks.forEach(function(e){e.muxed.destroy()}),this._elem.src="")}},{"./mp4-remuxer":116,mediasource:49,pump:67}],118:[function(e,t,n){t.exports=function e(t,n){function r(){for(var e=Array(arguments.length),n=0;n<e.length;n++)e[n]=arguments[n];var r=t.apply(this,e),i=e[e.length-1];
1return"function"==typeof r&&r!==i&&Object.keys(i).forEach(function(e){r[e]=i[e]}),r}if(t&&n)return e(t)(n);if("function"!=typeof t)throw TypeError("need wrapper function");return Object.keys(t).forEach(function(e){r[e]=t[e]}),r}},{}],119:[function(e,t,n){t.exports=function(){for(var e={},t=0;t<arguments.length;t++){var n=arguments[t];for(var i in n)r.call(n,i)&&(e[i]=n[i])}return e};var r=Object.prototype.hasOwnProperty},{}],120:[function(e,t,n){t.exports=function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var i in n)r.call(n,i)&&(e[i]=n[i])}return e};var r=Object.prototype.hasOwnProperty},{}],121:[function(e,t,n){t.exports=function e(t,n,r){return void 0===n?function(n,r){return e(t,n,r)}:(void 0===r&&(r="0"),(t-=n.toString().length)>0?Array(t+(/\./.test(n)?2:1)).join(r)+n:n+"")}},{}],122:[function(e,t,n){t.exports={version:"0.98.18"}},{}],123:[function(e,t,r){(function(n,r){function i(e){function t(){s.destroyed||(s.ready=!0,s.emit("ready"))}var s=this;if(!(s instanceof i))return new i(e);f.call(s),e||(e={}),"string"==typeof e.peerId?s.peerId=e.peerId:o.isBuffer(e.peerId)?s.peerId=e.peerId.toString("hex"):s.peerId=o.from(S+_(9).toString("base64")).toString("hex"),s.peerIdBuffer=o.from(s.peerId,"hex"),"string"==typeof e.nodeId?s.nodeId=e.nodeId:o.isBuffer(e.nodeId)?s.nodeId=e.nodeId.toString("hex"):s.nodeId=_(20).toString("hex"),s.nodeIdBuffer=o.from(s.nodeId,"hex"),s._debugId=s.peerId.toString("hex").substring(0,7),s.destroyed=!1,s.listening=!1,s.torrentPort=e.torrentPort||0,s.dhtPort=e.dhtPort||0,s.tracker=void 0!==e.tracker?e.tracker:{},s.torrents=[],s.maxConns=Number(e.maxConns)||55,s._debug("new webtorrent (peerId %s, nodeId %s, port %s)",s.peerId,s.nodeId,s.torrentPort),s.tracker&&("object"!=typeof s.tracker&&(s.tracker={}),e.rtcConfig&&(console.warn("WebTorrent: opts.rtcConfig is deprecated. Use opts.tracker.rtcConfig instead"),s.tracker.rtcConfig=e.rtcConfig),e.wrtc&&(console.warn("WebTorrent: opts.wrtc is deprecated. Use opts.tracker.wrtc instead"),s.tracker.wrtc=e.wrtc),r.WRTC&&!s.tracker.wrtc&&(s.tracker.wrtc=r.WRTC)),"function"==typeof w?s._tcpPool=new w(s):n.nextTick(function(){s._onListening()}),s._downloadSpeed=v(),s._uploadSpeed=v(),!1!==e.dht&&"function"==typeof c?(s.dht=new c(h({nodeId:s.nodeId},e.dht)),s.dht.once("error",function(e){s._destroy(e)}),s.dht.once("listening",function(){var e=s.dht.address();e&&(s.dhtPort=e.port)}),s.dht.setMaxListeners(0),s.dht.listen(s.dhtPort)):s.dht=!1,s.enableWebSeeds=!1!==e.webSeeds,"function"==typeof l&&null!=e.blocklist?l(e.blocklist,{headers:{"user-agent":"WebTorrent/"+k+" (https://webtorrent.io)"}},function(e,n){if(e)return s.error("Failed to load blocklist: "+e.message);s.blocked=n,t()}):n.nextTick(t)}t.exports=i;var o=e("safe-buffer").Buffer,s=e("simple-concat"),a=e("create-torrent"),u=e("debug")("webtorrent"),c=e("bittorrent-dht/client"),f=e("events").EventEmitter,h=e("xtend"),d=e("inherits"),l=e("load-ip-set"),p=e("run-parallel"),m=e("parse-torrent"),g=e("path"),y=e("simple-peer"),_=e("randombytes"),v=e("speedometer"),b=e("zero-fill"),w=e("./lib/tcp-pool"),E=e("./lib/torrent"),k=e("./package.json").version,x=k.match(/([0-9]+)/g).slice(0,2).map(function(e){return b(2,e)}).join(""),S="-WW"+x+"-";d(i,f),i.WEBRTC_SUPPORT=y.WEBRTC_SUPPORT,Object.defineProperty(i.prototype,"downloadSpeed",{get:function(){return this._downloadSpeed()}}),Object.defineProperty(i.prototype,"uploadSpeed",{get:function(){return this._uploadSpeed()}}),Object.defineProperty(i.prototype,"progress",{get:function(){var e=this.torrents.filter(function(e){return 1!==e.progress});return e.reduce(function(e,t){return e+t.downloaded},0)/(e.reduce(function(e,t){return e+(t.length||0)},0)||1)}}),Object.defineProperty(i.prototype,"ratio",{get:function(){return this.torrents.reduce(function(e,t){return e+t.uploaded},0)/(this.torrents.reduce(function(e,t){return e+t.received},0)||1)}}),i.prototype.get=function(e){var t,n,r,i=this.torrents.length;if(e instanceof E){for(n=0;n<i;n++)if((r=this.torrents[n])===e)return r}else{try{t=m(e)}catch(e){}if(!t)return null;if(!t.infoHash)throw Error("Invalid torrent identifier");for(n=0;n<i;n++)if((r=this.torrents[n]).infoHash===t.infoHash)return r}return null},i.prototype.download=function(e,t,n){return console.warn("WebTorrent: client.download() is deprecated. Use client.add() instead"),this.add(e,t,n)},i.prototype.add=function(e,t,n){function r(){if(!o.destroyed)for(var e=0,t=o.torrents.length;e<t;e++){var n=o.torrents[e];
1if(n.infoHash===s.infoHash&&n!==s)return void s._destroy(Error("Cannot add duplicate torrent "+s.infoHash))}}function i(){o.destroyed||("function"==typeof n&&n(s),o.emit("torrent",s))}var o=this;if(o.destroyed)throw Error("client is destroyed");if("function"==typeof t)return o.add(e,null,t);o._debug("add");var s=new E(e,o,t=t?h(t):{});return o.torrents.push(s),s.once("_infoHash",r),s.once("ready",i),s.once("close",function e(){s.removeListener("_infoHash",r),s.removeListener("ready",i),s.removeListener("close",e)}),s},i.prototype.seed=function(e,t,n){var r,i=this;if(i.destroyed)throw Error("client is destroyed");if("function"==typeof t)return i.seed(e,null,t);i._debug("seed"),t=t?h(t):{},"string"==typeof e&&(t.path=g.dirname(e)),t.createdBy||(t.createdBy="WebTorrent/"+x);var o,u=i.add(null,t,function(e){var t=[function(t){e.load(o,t)}];i.dht&&t.push(function(t){e.once("dhtAnnounce",t)}),p(t,function(t){if(!i.destroyed)return t?e._destroy(t):void(i._debug("on seed"),"function"==typeof n&&n(e),e.emit("seed"),i.emit("seed",e))})});return r=e,"undefined"!=typeof FileList&&r instanceof FileList&&(e=Array.prototype.slice.call(e)),Array.isArray(e)||(e=[e]),p(e.map(function(e){return function(t){"object"==typeof e&&null!=e&&"function"==typeof e.pipe?s(e,t):t(null,e)}}),function(e,n){if(!i.destroyed)return e?u._destroy(e):void a.parseInput(n,t,function(e,r){if(!i.destroyed){if(e)return u._destroy(e);o=r.map(function(e){return e.getStream}),a(n,t,function(e,t){if(!i.destroyed){if(e)return u._destroy(e);var n=i.get(t);n?u._destroy(Error("Cannot add duplicate torrent "+n.infoHash)):u._onTorrentId(t)}})}})}),u},i.prototype.remove=function(e,t){if(this._debug("remove"),!this.get(e))throw Error("No torrent with id "+e);this._remove(e,t)},i.prototype._remove=function(e,t){var n=this.get(e);n&&(this.torrents.splice(this.torrents.indexOf(n),1),n.destroy(t))},i.prototype.address=function(){return this.listening?this._tcpPool?this._tcpPool.server.address():{address:"0.0.0.0",family:"IPv4",port:0}:null},i.prototype.destroy=function(e){if(this.destroyed)throw Error("client already destroyed");this._destroy(null,e)},i.prototype._destroy=function(e,t){var n=this;n._debug("client destroy"),n.destroyed=!0;var r=n.torrents.map(function(e){return function(t){e.destroy(t)}});n._tcpPool&&r.push(function(e){n._tcpPool.destroy(e)}),n.dht&&r.push(function(e){n.dht.destroy(e)}),p(r,t),e&&n.emit("error",e),n.torrents=[],n._tcpPool=null,n.dht=null},i.prototype._onListening=function(){if(this._debug("listening"),this.listening=!0,this._tcpPool){var e=this._tcpPool.server.address();e&&(this.torrentPort=e.port)}
1this.emit("listening")},i.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],u.apply(null,e)}}).call(this,e("_process"),void 0!==n.g?n.g:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./lib/tcp-pool":21,"./lib/torrent":5,"./package.json":122,_process:66,"bittorrent-dht/client":21,"create-torrent":29,debug:30,events:34,inherits:41,"load-ip-set":21,"parse-torrent":62,path:63,randombytes:73,"run-parallel":86,"safe-buffer":88,"simple-concat":89,"simple-peer":91,speedometer:94,xtend:119,"zero-fill":121}]},{},[123])(123)},e.exports=r()}}]);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.