diff options
-rw-r--r-- | webtorrent.min.js | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/webtorrent.min.js b/webtorrent.min.js index 51c5f1e..c1307c7 100644 --- a/webtorrent.min.js +++ b/webtorrent.min.js @@ -1 +1 @@ -(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?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,t.WebTorrent=e()}})(function(){var t=Math.abs,n=Math.pow,r=Math.floor,e=String.fromCharCode,o=Math.ceil,s=Math.max,d=Math.min,i;return function(){function s(d,e,n){function t(o,i){if(!e[o]){if(!d[o]){var l="function"==typeof require&&require;if(!i&&l)return l(o,!0);if(r)return r(o,!0);var c=new Error("Cannot find module '"+o+"'");throw c.code="MODULE_NOT_FOUND",c}var a=e[o]={exports:{}};d[o][0].call(a.exports,function(e){var r=d[o][1][e];return t(r||e)},a,a.exports,s,d,e,n)}return e[o].exports}for(var r="function"==typeof require&&require,o=0;o<n.length;o++)t(n[o]);return t}return s}()({1:[function(e,t){function n(e,t){i.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=0|(n+e.offset)/o,this._endPiece=0|(r+e.offset)/o,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=d(0|1048576/o,2)}t.exports=n;var r=e("debug")("webtorrent:file-stream"),o=e("inherits"),i=e("readable-stream");o(n,i.Readable),n.prototype._read=function(){this._reading||(this._reading=!0,this._notify())},n.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){if(e._notifying=!0,e._torrent.destroyed)return e._destroy(new Error("Torrent removed"));var t=e._piece;e._torrent.store.get(t,function(n,o){return e._notifying=!1,e.destroyed?void 0:n?e._destroy(n):void(r("read %s (length %s) (err %s)",t,o.length,n&&n.message),e._offset&&(o=o.slice(e._offset),e._offset=0),e._missing<o.length&&(o=o.slice(0,e._missing)),e._missing-=o.length,r("pushing buffer of length %s",o.length),e._reading=!1,e.push(o),0===e._missing&&e.push(null))}),e._piece+=1}}},n.prototype.destroy=function(e){this._destroy(null,e)},n.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:35,inherits:44,"readable-stream":86}],2:[function(e,t){(function(n){function r(e,t){i.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=0|n/this._torrent.pieceLength,this._endPiece=0|r/this._torrent.pieceLength,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"),d=e("inherits"),a=e("path"),c=e("render-media"),l=e("readable-stream"),p=e("stream-to-blob"),u=e("stream-to-blob-url"),f=e("stream-with-known-length-to-buffer");d(r,i),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+=t===this._endPiece?this._torrent.lastPieceLength:this._torrent.pieceLength;else{var n=this._torrent.pieces[t];e+=n.length-n.missing}return e}}),Object.defineProperty(r.prototype,"progress",{get:function(){return this.length?this.downloaded/this.length:0}}),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 l.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._destroyed||!t._torrent.destroyed&&t._torrent.deselect(i._startPiece,i._endPiece,!0)}),i},r.prototype.getBuffer=function(e){f(this.createReadStream(),this.length,e)},r.prototype.getBlob=function(e){if("undefined"==typeof window)throw new Error("browser-only method");p(this.createReadStream(),this._getMimeType(),e)},r.prototype.getBlobURL=function(e){if("undefined"==typeof window)throw new Error("browser-only method");u(this.createReadStream(),this._getMimeType(),e)},r.prototype.appendTo=function(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");c.append(this,e,t,n)},r.prototype.renderTo=function(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");c.render(this,e,t,n)},r.prototype._getMimeType=function(){return c.mime[a.extname(this.name).toLowerCase()]},r.prototype._destroy=function(){this._destroyed=!0,this._torrent=null}}).call(this,e("_process"))},{"./file-stream":1,_process:69,"end-of-stream":38,events:24,inherits:44,path:66,"readable-stream":86,"render-media":87,"stream-to-blob":104,"stream-to-blob-url":103,"stream-with-known-length-to-buffer":105}],3:[function(e,t,n){function r(e,t){var n=this;n.id=e,n.type=t,s("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("unordered-array-remove"),s=e("debug")("webtorrent:peer"),d=e("bittorrent-protocol"),a=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 a(e,t),n.onConnect(),n},r.prototype.onConnect=function(){var e=this;if(!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 d;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){var n=this;if(n.swarm&&!n.destroyed){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 connect to ourselves"));s("Peer %s got handshake %s",n.id,e),clearTimeout(n.handshakeTimeout),n.retries=0;var r=n.addr;!r&&n.conn.remoteAddress&&n.conn.remotePort&&(r=n.conn.remoteAddress+":"+n.conn.remotePort),n.swarm._onWire(n.wire,r),n.swarm&&!n.swarm.destroyed&&(n.sentHandshake||n.handshake())}},r.prototype.handshake=function(){var e=this,t={dht:!e.swarm.private&&!!e.swarm.client.dht};e.wire.handshake(e.swarm.infoHash,e.swarm.client.peerId,t),e.sentHandshake=!0},r.prototype.startConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout),e.connectTimeout=setTimeout(function(){e.destroy(new 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(new Error("handshake timeout"))},25e3),e.handshakeTimeout.unref&&e.handshakeTimeout.unref()},r.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,t.connected=!1,s("destroy %s (error: %s)",t.id,e&&(e.message||e)),clearTimeout(t.connectTimeout),clearTimeout(t.handshakeTimeout);var n=t.swarm,r=t.conn,d=t.wire;t.swarm=null,t.conn=null,t.wire=null,n&&d&&i(n.wires,n.wires.indexOf(d)),r&&(r.on("error",o),r.destroy()),d&&d.destroy(),n&&n.removePeer(t.id)}}},{"./webconn":6,"bittorrent-protocol":14,debug:35,"unordered-array-remove":116}],4:[function(e,t){function n(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 r(){return!0}t.exports=n,n.prototype.getRarestPiece=function(e){e||(e=r);for(var t=[],n=1/0,o=0;o<this._numPieces;++o)if(e(o)){var s=this._pieces[o];s===n?t.push(o):s<n&&(t=[o],n=s)}return 0<t.length?t[0|Math.random()*t.length]:-1},n.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},n.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)},n.prototype.recalculate=function(){var e;for(e=0;e<this._numPieces;++e)this._pieces[e]=0;var 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)},n.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){(function(n,r){function i(e,t,n){_.call(this),this._debugId="unknown infohash",this.client=t,this.announce=n.announce,this.urlList=n.urlList,this.path=n.path,this.skipVerify=!!n.skipVerify,this._store=n.store||k,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=H(),this._uploadSpeed=H(),this._servers=[],this._xsRequests=[],this._fileModtimes=n.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}function a(e,t){return 2+o(t*e.downloadSpeed()/R.BLOCK_LENGTH)}function c(e,t,n){return 1+o(t*e.downloadSpeed()/n)}function l(e){return 0|Math.random()*e}function p(){}t.exports=i;var u=e("addr-to-ip-port"),f=e("bitfield"),h=e("chunk-store-stream/write"),m=e("debug")("webtorrent:torrent"),g=e("torrent-discovery"),_=e("events").EventEmitter,y=e("xtend"),b=e("xtend/mutable"),w=e("fs"),k=e("fs-chunk-store"),x=e("simple-get"),v=e("immediate-chunk-store"),S=e("inherits"),E=e("multistream"),C=e("net"),I=e("os"),B=e("run-parallel"),L=e("run-parallel-limit"),T=e("parse-torrent"),A=e("path"),R=e("torrent-piece"),U=e("pump"),P=e("random-iterate"),O=e("simple-sha1"),H=e("speedometer"),N=e("uniq"),M=e("ut_metadata"),q=e("ut_pex"),j=e("parse-numeric-range"),D=e("./file"),F=e("./peer"),W=e("./rarity-map"),z=e("./server"),V=5e3,G=3*R.BLOCK_LENGTH,K=1,X=2,Y=[1e3,5e3,15e3],Q=e("../package.json").version,$="WebTorrent/"+Q+" (https://webtorrent.io)",J;try{J=A.join(w.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){J=A.join("function"==typeof I.tmpdir?I.tmpdir():"/","webtorrent")}S(i,_),Object.defineProperty(i.prototype,"timeRemaining",{get:function(){return this.done?0:0===this.downloadSpeed?1/0:1e3*((this.length-this.downloaded)/this.downloadSpeed)}}),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 new 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=this,t=0;for(var n in e._peers)e._peers[n].connected&&(t+=1);return t}}),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=this;if(!t.destroyed){var r;try{r=T(e)}catch(e){}r?(t.infoHash=r.infoHash,t._debugId=r.infoHash.toString("hex").substring(0,7),n.nextTick(function(){t.destroyed||t._onParsedTorrent(r)})):T.remote(e,function(e,n){return t.destroyed?void 0:e?t._destroy(e):void t._onParsedTorrent(n)})}},i.prototype._onParsedTorrent=function(e){var t=this;if(!t.destroyed){if(t._processParsedTorrent(e),!t.infoHash)return t._destroy(new Error("Malformed torrent data: No info hash"));(t.path||(t.path=A.join(J,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)),N(e.announce),N(e.urlList),b(this,e),this.magnetURI=T.toMagnetURI(e),this.torrentFile=T.toTorrentFile(e)},i.prototype._onListening=function(){function e(e){i._destroy(e)}function t(e){"string"==typeof e&&i.done||i.addPeer(e)}function n(){i.emit("trackerAnnounce"),0===i.numPeers&&i.emit("noPeers","tracker")}function r(){i.emit("dhtAnnounce"),0===i.numPeers&&i.emit("noPeers","dht")}function o(e){i.emit("warning",e)}var i=this;if(!(i.discovery||i.destroyed)){var d=i.client.tracker;d&&(d=y(i.client.tracker,{getAnnounceOpts:function(){var e={uploaded:i.uploaded,downloaded:i.downloaded,left:s(i.length-i.downloaded,0)};return i.client.tracker.getAnnounceOpts&&b(e,i.client.tracker.getAnnounceOpts()),i._getAnnounceOpts&&b(e,i._getAnnounceOpts()),e}})),i.discovery=new g({infoHash:i.infoHash,announce:i.announce,peerId:i.client.peerId,dht:!i.private&&i.client.dht,tracker:d,port:i.client.torrentPort,userAgent:$}),i.discovery.on("error",e),i.discovery.on("peer",t),i.discovery.on("trackerAnnounce",n),i.discovery.on("dhtAnnounce",r),i.discovery.on("warning",o),i.info?i._onMetadata(i):i.xs&&i._getMetadataFromServer()}},i.prototype._getMetadataFromServer=function(){function e(e,n){function r(r,o,i){if(t.destroyed)return n(null);if(t.metadata)return n(null);if(r)return t.emit("warning",new Error("http error from xs param: "+e)),n(null);if(200!==o.statusCode)return t.emit("warning",new Error("non-200 status code "+o.statusCode+" from xs param: "+e)),n(null);var s;try{s=T(i)}catch(e){}return s?s.infoHash===t.infoHash?void(t._onMetadata(s),n(null)):(t.emit("warning",new Error("got torrent file with incorrect info hash from xs param: "+e)),n(null)):(t.emit("warning",new Error("got invalid torrent file from xs param: "+e)),n(null))}if(0!==e.indexOf("http://")&&0!==e.indexOf("https://"))return t.emit("warning",new Error("skipping non-http xs param: "+e)),n(null);var o;try{o=x.concat({url:e,method:"GET",headers:{"user-agent":$}},r)}catch(r){return t.emit("warning",new Error("skipping invalid url xs param: "+e)),n(null)}t._xsRequests.push(o)}var t=this,n=Array.isArray(t.xs)?t.xs:[t.xs],r=n.map(function(t){return function(n){e(t,n)}});B(r)},i.prototype._onMetadata=function(e){var t=this;if(!(t.metadata||t.destroyed)){t._debug("got metadata"),t._xsRequests.forEach(function(e){e.abort()}),t._xsRequests=[];var n;if(e&&e.infoHash)n=e;else try{n=T(e)}catch(e){return t._destroy(e)}if(t._processParsedTorrent(n),t.metadata=t.torrentFile,t.client.enableWebSeeds&&t.urlList.forEach(function(e){t.addWebSeed(e)}),t._rarityMap=new W(t),t.store=new v(new t._store(t.pieceLength,{torrent:{infoHash:t.infoHash},files:t.files.map(function(e){return{path:A.join(t.path,e.path),length:e.length,offset:e.offset}}),length:t.length})),t.files=t.files.map(function(e){return new D(t,e)}),t.so){var r=j.parse(t.so);t.files.forEach(function(e,n){r.includes(n)&&t.files[n].select(!0)})}else 0!==t.pieces.length&&t.select(0,t.pieces.length-1,!1);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 R(r)}),t._reservations=t.pieces.map(function(){return[]}),t.bitfield=new f(t.pieces.length),t.wires.forEach(function(e){e.ut_metadata&&e.ut_metadata.setMetadata(t.metadata),t._onWireWithMetadata(e)}),t.skipVerify?(t._markAllVerified(),t._onStore()):(t._debug("verifying existing torrent data"),t._fileModtimes&&t._store===k?t.getFileModtimes(function(e,n){if(e)return t._destroy(e);var r=t.files.map(function(e,r){return n[r]===t._fileModtimes[r]}).every(function(e){return e});r?(t._markAllVerified(),t._onStore()):t._verifyPieces()}):t._verifyPieces()),t.emit("metadata")}},i.prototype.getFileModtimes=function(e){var t=this,n=[];L(t.files.map(function(e,r){return function(o){w.stat(A.join(t.path,e.path),function(e,t){return e&&"ENOENT"!==e.code?o(e):void(n[r]=t&&t.mtime.getTime(),o(null))})}}),X,function(r){t._debug("done getting file modtimes"),e(r,n)})},i.prototype._verifyPieces=function(){var e=this;L(e.pieces.map(function(t,r){return function(t){return e.destroyed?t(new Error("torrent is destroyed")):void e.store.get(r,function(o,i){return e.destroyed?t(new Error("torrent is destroyed")):o?n.nextTick(t,null):void O(i,function(n){if(e.destroyed)return t(new 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)})})}}),X,function(t){return t?e._destroy(t):void(e._debug("done verifying"),e._onStore())})},i.prototype._markAllVerified=function(){for(var e=0;e<this.pieces.length;e++)this._markVerified(e)},i.prototype._markVerified=function(e){this.pieces[e]=null,this._reservations[e]=null,this.bitfield.set(e,!0)},i.prototype._onStore=function(){var e=this;e.destroyed||(e._debug("on store"),e.ready=!0,e.emit("ready"),e._checkDone(),e._updateSelections())},i.prototype.destroy=function(e){var t=this;t._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 D&&e._destroy()});var o=n._servers.map(function(e){return function(t){e.destroy(t)}});n.discovery&&o.push(function(e){n.discovery.destroy(e)}),n.store&&o.push(function(e){n.store.close(e)}),B(o,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(t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");if(!n.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");if(n.client.blocked){var e;if("string"==typeof t){var r;try{r=u(t)}catch(r){return n._debug("ignoring peer: invalid %s",t),n.emit("invalidPeer",t),!1}e=r[0]}else"string"==typeof t.remoteAddress&&(e=t.remoteAddress);if(e&&n.client.blocked.contains(e))return n._debug("ignoring peer: blocked %s",t),"string"!=typeof t&&t.destroy(),n.emit("blockedPeer",t),!1}var o=!!n._addPeer(t);return o?n.emit("peer",t):n.emit("invalidPeer",t),o},i.prototype._addPeer=function(e){var t=this;if(t.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!t._validAddr(e))return t._debug("ignoring peer: invalid %s",e),null;var n=e&&e.id||e;if(t._peers[n])return t._debug("ignoring peer: duplicate (%s)",n),"string"!=typeof e&&e.destroy(),null;if(t.paused)return t._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null;t._debug("add peer %s",n);var r;return r="string"==typeof e?F.createTCPOutgoingPeer(e,t):F.createWebRTCPeer(e,t),t._peers[r.id]=r,t._peersLength+=1,"string"==typeof e&&(t._queue.push(r),t._drain()),r},i.prototype.addWebSeed=function(e){if(this.destroyed)throw new Error("torrent is destroyed");if(!/^https?:\/\/.+/.test(e))return this.emit("warning",new Error("ignoring invalid web seed: "+e)),void this.emit("invalidPeer",e);if(this._peers[e])return this.emit("warning",new Error("ignoring duplicate web seed: "+e)),void this.emit("invalidPeer",e);this._debug("add web seed %s",e);var t=F.createWebSeedPeer(e,this);this._peers[t.id]=t,this._peersLength+=1,this.emit("peer",e)},i.prototype._addIncomingPeer=function(e){var t=this;return t.destroyed?e.destroy(new Error("torrent is destroyed")):t.paused?e.destroy(new Error("torrent is paused")):void(this._debug("add incoming peer %s",e.id),t._peers[e.id]=e,t._peersLength+=1)},i.prototype.removePeer=function(e){var t=this,n=e&&e.id||e;e=t._peers[n];e&&(this._debug("removePeer %s",n),delete t._peers[n],t._peersLength-=1,e.destroy(),t._drain())},i.prototype.select=function(e,t,n,r){var o=this;if(o.destroyed)throw new Error("torrent is destroyed");if(0>e||t<e||o.pieces.length<=t)throw new Error("invalid selection ",e,":",t);n=+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||p}),o._selections.sort(function(e,t){return t.priority-e.priority}),o._updateSelections()},i.prototype.deselect=function(e,t,n){var r=this;if(r.destroyed)throw new Error("torrent is destroyed");n=+n||0,r._debug("deselect %s-%s (priority %s)",e,t,n);for(var o=0,d;o<r._selections.length;++o)if(d=r._selections[o],d.from===e&&d.to===t&&d.priority===n){r._selections.splice(o,1);break}r._updateSelections()},i.prototype.critical=function(e,t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");n._debug("critical %s-%s",e,t);for(var r=e;r<=t;++r)n._critical[r]=!0;n._updateSelections()},i.prototype._onWire=function(e,t){var r=this;if(r._debug("got wire %s (%s)",e._debugId,t||"Unknown"),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 o=u(t);e.remoteAddress=o[0],e.remotePort=o[1]}r.client.dht&&r.client.dht.listening&&e.on("port",function(n){return r.destroyed||r.client.dht.destroyed?void 0:e.remoteAddress?0===n||65536<n?r._debug("ignoring invalid PORT from peer"):void(r._debug("port: %s (from %s)",n,t),r.client.dht.addNode({host:e.remoteAddress,port:n})):r._debug("ignoring PORT from peer with no address")}),e.on("timeout",function(){r._debug("wire timeout (%s)",t),e.destroy()}),e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(M(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 q||r.private||(e.use(q()),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(){r.destroyed||e.destroyed||(r._numQueued>2*(r._numConns-r.numPeers)&&e.amInterested?e.destroy():(o=setTimeout(t,V),o.unref&&o.unref()))}function n(){if(e.peerPieces.buffer.length===r.bitfield.buffer.length){for(s=0;s<r.pieces.length;++s)if(!e.peerPieces.get(s))return;e.isSeeder=!0,e.choke()}}var r=this,o=null,s;e.on("bitfield",function(){n(),r._update()}),e.on("have",function(){n(),r._update()}),e.once("interested",function(){e.unchoke()}),e.once("close",function(){clearTimeout(o)}),e.on("choke",function(){clearTimeout(o),o=setTimeout(t,V),o.unref&&o.unref()}),e.on("unchoke",function(){clearTimeout(o),r._update()}),e.on("request",function(t,n,o,i){return o>131072?e.destroy():void(r.pieces[t]||r.store.get(t,{offset:n,length:o},i))}),e.bitfield(r.bitfield),e.uninterested(),e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening&&e.port(r.client.dht.address().port),"webSeed"!==e.type&&(o=setTimeout(t,V),o.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=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+=1;r!==n.offset&&n.notify(),n.to===n.from+n.offset&&e.bitfield.get(n.from+n.offset)&&(e._selections.splice(t,1),t-=1,n.notify(),e._updateInterest())}e._selections.length||e.emit("idle")},i.prototype._updateInterest=function(){var e=this,t=e._amInterested;e._amInterested=!!e._selections.length,e.wires.forEach(function(t){for(var n=!1,r=0;r<e.pieces.length;++r)if(e.pieces[r]&&t.peerPieces.get(r)){n=!0;break}n?t.interested():t.uninterested()});t===e._amInterested||(e._amInterested?e.emit("interested"):e.emit("uninterested"))},i.prototype._update=function(){var e=this;if(!e.destroyed)for(var t=P(e.wires),n;n=t();)e._updateWire(n)},i.prototype._updateWire=function(e){function t(t,n,r,o){return function(s){return s>=t&&s<=n&&!(s in r)&&e.peerPieces.get(s)&&(!o||o(s))}}function n(){if(!e.requests.length)for(var n=d._selections.length;n--;){var r=d._selections[n],o;if("rarest"===d.strategy)for(var s=r.from+r.offset,a=r.to,c={},l=0,p=t(s,a,c);l<a-s+1&&(o=d._rarityMap.getRarestPiece(p),!(0>o));){if(d._request(e,o,!1))return;c[o]=!0,l+=1}else for(o=r.to;o>=r.from+r.offset;--o)if(e.peerPieces.get(o)&&d._request(e,o,!1))return}}function r(){var t=e.downloadSpeed()||1;if(t>G)return function(){return!0};var n=s(1,e.requests.length)*R.BLOCK_LENGTH/t,r=10,o=0;return function(e){if(!r||d.bitfield.get(e))return!0;for(var i=d.pieces[e].missing;o<d.wires.length;o++){var s=d.wires[o],a=s.downloadSpeed();if(!(a<G)&&!(a<=t)&&s.peerPieces.get(e)&&!(0<(i-=a*n)))return r--,!1}return!0}}function o(e){for(var t=e,n=e;n<d._selections.length&&d._selections[n].priority;n++)t=n;var r=d._selections[e];d._selections[e]=d._selections[t],d._selections[t]=r}function i(n){if(e.requests.length>=l)return!0;for(var s=r(),a=0;a<d._selections.length;a++){var c=d._selections[a],p;if("rarest"===d.strategy)for(var u=c.from+c.offset,f=c.to,h={},m=0,g=t(u,f,h,s);m<f-u+1&&(p=d._rarityMap.getRarestPiece(g),!(0>p));){for(;d._request(e,p,d._critical[p]||n););if(e.requests.length<l){h[p]=!0,m++;continue}return c.priority&&o(a),!0}else for(p=c.from+c.offset;p<=c.to;p++)if(e.peerPieces.get(p)&&s(p)){for(;d._request(e,p,d._critical[p]||n););if(!(e.requests.length<l))return c.priority&&o(a),!0}}return!1}var d=this;if(!e.peerChoking){if(!e.downloaded)return n();var c=a(e,.5);if(!(e.requests.length>=c)){var l=a(e,K);i(!1)||i(!0)}}},i.prototype._rechoke=function(){function e(e,t){return e.downloadSpeed===t.downloadSpeed?e.uploadSpeed===t.uploadSpeed?e.wire.amChoking===t.wire.amChoking?e.salt-t.salt:e.wire.amChoking?1:-1:t.uploadSpeed-e.uploadSpeed:t.downloadSpeed-e.downloadSpeed}var t=this;if(t.ready){0<t._rechokeOptimisticTime?t._rechokeOptimisticTime-=1:t._rechokeOptimisticWire=null;var n=[];t.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 s=n.slice(o).filter(function(e){return e.wire.peerInterested}),d=s[l(s.length)];d&&(d.isChoked=!1,t._rechokeOptimisticWire=d.wire,t._rechokeOptimisticTime=2)}n.forEach(function(e){e.wire.amChoking!==e.isChoked&&(e.isChoked?e.wire.choke():e.wire.unchoke())})}},i.prototype._hotswap=function(e,t){var n=this,o=e.downloadSpeed();if(o<R.BLOCK_LENGTH)return!1;if(!n._reservations[t])return!1;var s=n._reservations[t];if(!s)return!1;var r=1/0,d,a;for(a=0;a<s.length;a++){var c=s[a];if(c&&c!==e){var l=c.downloadSpeed();l>=G||2*l>o||l>r||(d=c,r=l)}}if(!d)return!1;for(a=0;a<s.length;a++)s[a]===d&&(s[a]=null);for(a=0;a<d.requests.length;a++){var p=d.requests[a];p.piece===t&&n.pieces[t].cancel(0|p.offset/R.BLOCK_LENGTH)}return n.emit("hotswap",d,e,t),!0},i.prototype._request=function(e,t,o){function s(){n.nextTick(function(){l._update()})}var l=this,p=e.requests.length,u="webSeed"===e.type;if(l.bitfield.get(t))return!1;var f=u?d(c(e,K,l.pieceLength),l.maxWebConns):a(e,K);if(p>=f)return!1;var h=l.pieces[t],m=u?h.reserveRemaining():h.reserve();if(-1===m&&o&&l._hotswap(e,t)&&(m=u?h.reserveRemaining():h.reserve()),-1===m)return!1;var g=l._reservations[t];g||(g=l._reservations[t]=[]);var _=g.indexOf(null);-1===_&&(_=g.length),g[_]=e;var y=h.chunkOffset(m),b=u?h.chunkLengthRemaining(m):h.chunkLength(m);return e.request(t,y,b,function n(r,o){if(!l.destroyed){if(!l.ready)return l.once("ready",function(){n(r,o)});if(g[_]===e&&(g[_]=null),h!==l.pieces[t])return s();if(r)return l._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,y,b,e.remoteAddress+":"+e.remotePort,r.message),u?h.cancelRemaining(m):h.cancel(m),void s();if(l._debug("got piece %s (offset: %s length: %s) from %s",t,y,b,e.remoteAddress+":"+e.remotePort),!h.set(m,o,e))return s();var i=h.flush();O(i,function(e){if(!l.destroyed){if(e===l._hashes[t]){if(!l.pieces[t])return;l._debug("piece verified %s",t),l.pieces[t]=null,l._reservations[t]=null,l.bitfield.set(t,!0),l.store.put(t,i),l.wires.forEach(function(e){e.have(t)}),l._checkDone()&&!l.destroyed&&l.discovery.complete()}else l.pieces[t]=new R(h.length),l.emit("warning",new Error("Piece "+t+" failed verification"));s()}})}}),!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,r;n<e._selections.length;n++){r=e._selections[n];for(var o=r.from;o<=r.to;o++)if(!e.bitfield.get(o)){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 new Error("torrent is destroyed");if(!n.ready)return n.once("ready",function(){n.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=p);var r=new E(e),o=new h(n.store,n.pieceLength);U(r,o,function(e){return e?t(e):void(n._markAllVerified(),n._checkDone(),t(null))})},i.prototype.createServer=function(e){if("function"!=typeof z)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");var t=new z(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(){if(!this.destroyed){var e=[].slice.call(arguments);e[0]="["+this.client._debugId+"] ["+this._debugId+"] "+e[0],m.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 C.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]},o=t.conn=C.connect(r);o.once("connect",function(){t.onConnect()}),o.once("error",function(e){t.destroy(e)}),t.startConnectTimeout(),o.on("close",function(){if(!e.destroyed){if(t.retries>=Y.length)return void e._debug("conn %s closed: will not re-add (max %s attempts)",t.addr,Y.length);var n=Y[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){var t;try{t=u(e)}catch(t){return!1}var n=t[0],r=t[1];return 0<r&&65535>r&&("127.0.0.1"!==n||r!==this.client.torrentPort)}}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../package.json":127,"./file":2,"./peer":3,"./rarity-map":4,"./server":21,_process:69,"addr-to-ip-port":7,bitfield:13,"chunk-store-stream/write":31,debug:35,events:24,fs:22,"fs-chunk-store":53,"immediate-chunk-store":43,inherits:44,multistream:61,net:21,os:21,"parse-numeric-range":64,"parse-torrent":65,path:66,pump:70,"random-iterate":75,"run-parallel":90,"run-parallel-limit":89,"simple-get":94,"simple-sha1":96,speedometer:98,"torrent-discovery":111,"torrent-piece":112,uniq:115,ut_metadata:119,ut_pex:21,xtend:124,"xtend/mutable":125}],6:[function(e,t){const n=e("bitfield"),r=e("safe-buffer").Buffer,o=e("debug")("webtorrent:webconn"),i=e("simple-get"),a=e("simple-sha1"),c=e("bittorrent-protocol"),l=e("../package.json").version;t.exports=class extends c{constructor(e,t){super(),this.url=e,this.webPeerId=a.sync(e),this._torrent=t,this._init()}_init(){this.setKeepAlive(!0),this.once("handshake",e=>{if(this.destroyed)return;this.handshake(e,this.webPeerId);const t=this._torrent.pieces.length,r=new n(t);for(let n=0;n<=t;n++)r.set(n,!0);this.bitfield(r)}),this.once("interested",()=>{o("interested"),this.unchoke()}),this.on("uninterested",()=>{o("uninterested")}),this.on("choke",()=>{o("choke")}),this.on("unchoke",()=>{o("unchoke")}),this.on("bitfield",()=>{o("bitfield")}),this.on("request",(e,t,n,r)=>{o("request pieceIndex=%d offset=%d length=%d",e,t,n),this.httpRequest(e,t,n,r)})}httpRequest(e,t,n,a){const c=e*this._torrent.pieceLength,p=c+t,u=p+n-1,f=this._torrent.files;let h;if(1>=f.length)h=[{url:this.url,start:p,end:u}];else{const e=f.filter(e=>e.offset<=u&&e.offset+e.length>p);if(1>e.length)return a(new Error("Could not find file corresponnding to web seed range request"));h=e.map(e=>{const t=e.offset+e.length-1,n=this.url+("/"===this.url[this.url.length-1]?"":"/")+e.path;return{url:n,fileOffsetInRange:s(e.offset-p,0),start:s(p-e.offset,0),end:d(t,u-e.offset)}})}let m=0,g=!1,_;1<h.length&&(_=r.alloc(n)),h.forEach(r=>{function s(e,t){return 200>e.statusCode||300<=e.statusCode?(g=!0,a(new Error(`Unexpected HTTP status code ${e.statusCode}`))):void(o("Got data of length %d",t.length),1===h.length?a(null,t):(t.copy(_,r.fileOffsetInRange),++m===h.length&&a(null,_)))}const d=r.url,c=r.start,p=r.end;o("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",d,e,t,n,c,p);const u={url:d,method:"GET",headers:{"user-agent":`WebTorrent/${l} (https://webtorrent.io)`,range:`bytes=${c}-${p}`}};i.concat(u,(e,t,n)=>g?void 0:e?"undefined"==typeof 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i(0,{grow:4e5}),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=c(),this.downloadSpeed=c(),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),this._parseHandshake()}setKeepAlive(e){this._debug("setKeepAlive %s",e),clearInterval(this._keepAliveInterval);!1===e||(this._keepAliveInterval=setInterval(()=>{this.keepAlive()},55e3))}setTimeout(e,t){this._debug("setTimeout ms=%d unref=%s",e,t),this._clearTimeout(),this._timeoutMs=e,this._timeoutUnref=!!t,this._updateTimeout()}destroy(){this.destroyed||(this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end())}end(...e){this._debug("end"),this._onUninterested(),this._onChoke(),super.end(...e)}use(e){function t(){}const 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);const 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}keepAlive(){this._debug("keep-alive"),this._push(u)}handshake(e,t,r){let o,i;if("string"==typeof e?(e=e.toLowerCase(),o=n.from(e,"hex")):(o=e,e=o.toString("hex")),"string"==typeof t?i=n.from(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);const s=n.from(_);s[5]|=16,r&&r.dht&&(s[7]|=1),this._push(n.concat([p,s,o,i])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const e=d(this.extendedHandshake);for(const t in e.m={},this.extendedMapping){const n=this.extendedMapping[t];e.m[n]=+t}this.extended(0,o.encode(e)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking){for(this.amChoking=!0,this._debug("choke");this.peerRequests.length;)this.peerRequests.pop();this._push(f)}}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(h))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(m))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(g))}have(e){this._debug("have %d",e),this._message(4,[e],null)}bitfield(e){this._debug("bitfield"),n.isBuffer(e)||(e=e.buffer),this._message(5,[],e)}request(e,t,n,r){return r||(r=()=>{}),this._finished?r(new Error("wire is closed")):this.peerChoking?r(new Error("peer is choking")):void(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new b(e,t,n,r)),this._updateTimeout(),this._message(6,[e,t,n],null))}piece(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)}cancel(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(this._pull(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)}port(e){this._debug("port %d",e);const t=n.from(y);t.writeUInt16BE(e,5),this._push(t)}extended(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"==typeof e){const r=n.from([e]),i=n.isBuffer(t)?t:o.encode(t);this._message(20,[],n.concat([r,i]))}else throw new Error(`Unrecognized extension: ${e}`)}_read(){}_message(e,t,r){const o=r?r.length:0,s=n.allocUnsafe(5+4*t.length);s.writeUInt32BE(s.length+o-4,0),s[4]=e;for(let n=0;n<t.length;n++)s.writeUInt32BE(t[n],5+4*n);this._push(s),r&&this._push(r)}_push(e){return this._finished?void 0:this.push(e)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onHandshake(e,t,n){const 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);for(var i in this._ext)this._ext[i].onHandshake(r,o,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_onChoke(){for(this.peerChoking=!0,this._debug("got choke"),this.emit("choke");this.requests.length;)this._callback(this.requests.pop(),new Error("peer is choking"),null)}_onUnchoke(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")}_onInterested(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")}_onUninterested(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")}_onHave(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))}_onBitField(e){this.peerPieces=new i(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(e,t,n){if(!this.amChoking){this._debug("got request index=%d offset=%d length=%d",e,t,n);const o=(o,i)=>r===this._pull(this.peerRequests,e,t,n)?o?this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,o.message):void this.piece(e,t,i):void 0;var r=new b(e,t,n,o);this.peerRequests.push(r),this.emit("request",e,t,n,o)}}_onPiece(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(this._pull(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)}_onCancel(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),this._pull(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)}_onPort(e){this._debug("got port %d",e),this.emit("port",e)}_onExtended(e,t){if(0===e){let e;try{e=o.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!e)return;this.peerExtendedHandshake=e;if("object"==typeof e.m)for(var n in e.m)this.peerExtendedMapping[n]=+e.m[n].toString();for(n in this._ext)this.peerExtendedMapping[n]&&this._ext[n].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)}_onTimeout(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")}_write(e,t,r){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){const e=1===this._buffer.length?this._buffer[0]:n.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[e.slice(this._parserSize)]:[],this._parser(e.slice(0,this._parserSize))}r(null)}_callback(e,t,n){e&&(this._clearTimeout(),!this.peerChoking&&!this._finished&&this._updateTimeout(),e.callback(t,n))}_clearTimeout(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}_updateTimeout(){this._timeoutMs&&this.requests.length&&!this._timeout&&(this._timeout=setTimeout(()=>this._onTimeout(),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref())}_parse(e,t){this._parserSize=e,this._parser=t}_onMessageLength(e){const t=e.readUInt32BE(0);0<t?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(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);}}_parseHandshake(){this._parse(1,e=>{const t=e.readUInt8(0);this._parse(t+48,e=>{const n=e.slice(0,t);return"BitTorrent protocol"===n.toString()?void(e=e.slice(t),this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(1&e[7]),extended:!!(16&e[5])}),this._parse(4,this._onMessageLength)):(this._debug("Error: wire not speaking BitTorrent protocol (%s)",n.toString()),void this.end())})})}_onFinish(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,()=>{});this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)}_debug(...e){e[0]=`[${this._debugId}] ${e[0]}`,s(...e)}_pull(e,t,n,o){for(let s=0;s<e.length;s++){const i=e[s];if(i.piece===t&&i.offset===n&&i.length===o)return r(e,s),i}return null}}t.exports=w}).call(this,e("buffer").Buffer)},{bencode:11,bitfield:13,buffer:23,debug:35,randombytes:76,"readable-stream":86,speedometer:98,"unordered-array-remove":116,xtend:124}],15:[function(e,t){(function(n){function r(e){function t(e){n.nextTick(function(){d.emit("warning",e)})}var d=this;if(!(d instanceof r))return new r(e);if(s.call(d),e||(e={}),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");if(!n.browser&&!e.port)throw new Error("Option `port` is required");d.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),d._peerIdBuffer=o.from(d.peerId,"hex"),d._peerIdBinary=d._peerIdBuffer.toString("binary"),d.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():e.infoHash.toString("hex"),d._infoHashBuffer=o.from(d.infoHash,"hex"),d._infoHashBinary=d._infoHashBuffer.toString("binary"),i("new client %s",d.infoHash),d.destroyed=!1,d._port=e.port,d._getAnnounceOpts=e.getAnnounceOpts,d._rtcConfig=e.rtcConfig,d._userAgent=e.userAgent,d._wrtc="function"==typeof e.wrtc?e.wrtc():e.wrtc;var a="string"==typeof e.announce?[e.announce]:null==e.announce?[]:e.announce;a=a.map(function(e){return e=e.toString(),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e}),a=u(a);var c=!1!==d._wrtc&&(!!d._wrtc||p.WEBRTC_SUPPORT);d._trackers=a.map(function(e){var n=f.parse(e).protocol;return("http:"===n||"https:"===n)&&"function"==typeof m?new m(d,e):"udp:"===n&&"function"==typeof g?new g(d,e):("ws:"===n||"wss:"===n)&&c?"ws:"===n&&"undefined"!=typeof window&&"https:"===window.location.protocol?(t(new Error("Unsupported tracker protocol: "+e)),null):new _(d,e):(t(new Error("Unsupported tracker protocol: "+e)),null)}).filter(Boolean)}t.exports=r;var o=e("safe-buffer").Buffer,i=e("debug")("bittorrent-tracker:client"),s=e("events").EventEmitter,d=e("xtend"),a=e("inherits"),c=e("once"),l=e("run-parallel"),p=e("simple-peer"),u=e("uniq"),f=e("url"),h=e("./lib/common"),m=e("./lib/client/http-tracker"),g=e("./lib/client/udp-tracker"),_=e("./lib/client/websocket-tracker");a(r,s),r.scrape=function(e,t){if(t=c(t),!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");var n=d(e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:o.from("01234567890123456789"),port:6881}),i=new r(n);i.once("error",t),i.once("warning",t);var s=Array.isArray(e.infoHash)?e.infoHash.length:1,a={};return i.on("scrape",function(e){if(s-=1,a[e.infoHash]=e,0===s){i.destroy();var n=Object.keys(a);1===n.length?t(null,a[n[0]]):t(null,a)}}),e.infoHash=Array.isArray(e.infoHash)?e.infoHash.map(function(e){return o.from(e,"hex")}):o.from(e.infoHash,"hex"),i.scrape({infoHash:e.infoHash}),i},r.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()})},r.prototype.stop=function(e){var t=this;i("send `stop`"),e=t._defaultAnnounceOpts(e),e.event="stopped",t._announce(e)},r.prototype.complete=function(e){var t=this;i("send `complete`"),e||(e={}),e=t._defaultAnnounceOpts(e),e.event="completed",t._announce(e)},r.prototype.update=function(e){var t=this;i("send `update`"),e=t._defaultAnnounceOpts(e),e.event&&delete e.event,t._announce(e)},r.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})},r.prototype.scrape=function(e){var t=this;i("send `scrape`"),e||(e={}),t._trackers.forEach(function(t){t.scrape(e)})},r.prototype.setInterval=function(e){var t=this;i("setInterval %d",e),t._trackers.forEach(function(t){t.setInterval(e)})},r.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)}});l(n,e),t._trackers=[],t._getAnnounceOpts=null}},r.prototype._defaultAnnounceOpts=function(e){var t=this;return e||(e={}),null==e.numwant&&(e.numwant=h.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),t._getAnnounceOpts&&(e=d(e,t._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:69,debug:35,events:24,inherits:44,once:63,"run-parallel":90,"safe-buffer":92,"simple-peer":95,uniq:115,url:117,xtend:124}],16:[function(e,t){function n(e,t){var n=this;r.call(n),n.client=e,n.announceUrl=t,n.interval=null,n.destroyed=!1}t.exports=n;var r=e("events").EventEmitter,o=e("inherits");o(n,r),n.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:24,inherits:44}],17:[function(e,t){function o(e,t){var n=this;h.call(n,e,t),s("new websocket tracker %s",t),n.peers={},n.socket=null,n.reconnecting=!1,n.retries=0,n.reconnectTimer=null,n.expectingResponse=!1,n._openSocket()}function i(){}t.exports=o;var s=e("debug")("bittorrent-tracker:websocket-tracker"),a=e("xtend"),c=e("inherits"),l=e("simple-peer"),p=e("randombytes"),u=e("simple-websocket"),f=e("../common"),h=e("./tracker"),m={};c(o,h),o.prototype.DEFAULT_ANNOUNCE_INTERVAL=30000,o.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=a(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=d(e.numwant,10);t._generateOffers(r,function(e){n.numwant=r,n.offers=e,t._send(n)})}}},o.prototype.scrape=function(e){var t=this;if(!(t.destroyed||t.reconnecting)){if(!t.socket.connected)return void t.socket.once("connect",function(){t.scrape(e)});var n=Array.isArray(e.infoHash)&&0<e.infoHash.length?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})}},o.prototype.destroy=function(e){function t(){d&&(clearTimeout(d),d=null),s.removeListener("data",t),s.destroy(),s=null}var n=this;if(e||(e=i),n.destroyed)return e(null);for(var r in n.destroyed=!0,clearInterval(n.interval),clearTimeout(n.reconnectTimer),n.peers){var o=n.peers[r];clearTimeout(o.trackerTimeout),o.destroy()}if(n.peers=null,n.socket&&(n.socket.removeListener("connect",n._onSocketConnectBound),n.socket.removeListener("data",n._onSocketDataBound),n.socket.removeListener("close",n._onSocketCloseBound),n.socket.removeListener("error",n._onSocketErrorBound),n.socket=null),n._onSocketConnectBound=null,n._onSocketErrorBound=null,n._onSocketDataBound=null,n._onSocketCloseBound=null,m[n.announceUrl]&&(m[n.announceUrl].consumers-=1),0<m[n.announceUrl].consumers)return e();var s=m[n.announceUrl];if(delete m[n.announceUrl],s.on("error",i),s.once("close",e),!n.expectingResponse)return t();var d=setTimeout(t,f.DESTROY_TIMEOUT);s.once("data",t)},o.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=m[e.announceUrl],e.socket?m[e.announceUrl].consumers+=1:(e.socket=m[e.announceUrl]=new u(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)},o.prototype._onSocketConnect=function(){var e=this;e.destroyed||e.reconnecting&&(e.reconnecting=!1,e.retries=0,e.announce(e.client._defaultAnnounceOpts()))},o.prototype._onSocketData=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!1;try{e=JSON.parse(e)}catch(e){return void t.client.emit("warning",new Error("Invalid tracker response"))}"announce"===e.action?t._onAnnounceResponse(e):"scrape"===e.action?t._onScrapeResponse(e):t._onSocketError(new Error("invalid action in WS response: "+e.action))}},o.prototype._onAnnounceResponse=function(e){var t=this;if(e.info_hash!==t.client._infoHashBinary)return void s("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,f.binaryToHex(e.info_hash),t.client.infoHash);if(!(e.peer_id&&e.peer_id===t.client._peerIdBinary)){s("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 i=e["tracker id"];if(i&&(t._trackerId=i),null!=e.complete){var d=Object.assign({},e,{announce:t.announceUrl,infoHash:f.binaryToHex(e.info_hash)});t.client.emit("update",d)}var a;if(e.offer&&e.peer_id&&(s("creating peer (from remote offer)"),a=t._createPeer(),a.id=f.binaryToHex(e.peer_id),a.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)}),a.signal(e.offer),t.client.emit("peer",a)),e.answer&&e.peer_id){var c=f.binaryToHex(e.offer_id);a=t.peers[c],a?(a.id=f.binaryToHex(e.peer_id),a.signal(e.answer),t.client.emit("peer",a),clearTimeout(a.trackerTimeout),a.trackerTimeout=null,delete t.peers[c]):s("got unexpected answer: "+JSON.stringify(e.answer))}}},o.prototype._onScrapeResponse=function(e){var t=this;e=e.files||{};var n=Object.keys(e);return 0===n.length?void t.client.emit("warning",new Error("invalid scrape response")):void n.forEach(function(n){var r=Object.assign(e[n],{announce:t.announceUrl,infoHash:f.binaryToHex(n)});t.client.emit("scrape",r)})},o.prototype._onSocketClose=function(){var e=this;e.destroyed||(e.destroy(),e._startReconnectTimer())},o.prototype._onSocketError=function(e){var t=this;t.destroyed||(t.destroy(),t.client.emit("warning",e),t._startReconnectTimer())},o.prototype._startReconnectTimer=function(){var e=this,t=r(Math.random()*30000)+d(n(2,e.retries)*15000,1800000);e.reconnecting=!0,clearTimeout(e.reconnectTimer),e.reconnectTimer=setTimeout(function(){e.retries++,e._openSocket()},t),e.reconnectTimer.unref&&e.reconnectTimer.unref(),s("reconnecting socket in %s ms",t)},o.prototype._send=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!0;var n=JSON.stringify(e);s("send %s",n),t.socket.send(n)}},o.prototype._generateOffers=function(e,t){function n(){var e=p(20).toString("hex");s("creating peer (from _generateOffers)");var t=o.peers[e]=o._createPeer({initiator:!0});t.once("signal",function(t){d.push({offer:t,offer_id:f.hexToBinary(e)}),r()}),t.trackerTimeout=setTimeout(function(){s("tracker timeout: destroying peer"),t.trackerTimeout=null,delete o.peers[e],t.destroy()},50000),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function r(){d.length===e&&(s("generated %s offers",e),t(d))}var o=this,d=[];s("generating %s offers",e);for(var a=0;a<e;++a)n();r()},o.prototype._createPeer=function(e){function t(e){r.client.emit("warning",new Error("Connection error: "+e.message)),o.destroy()}function n(){o.removeListener("error",t),o.removeListener("connect",n)}var r=this;e=Object.assign({trickle:!1,config:r.client._rtcConfig,wrtc:r.client._wrtc},e);var o=new l(e);return o.once("error",t),o.once("connect",n),o}},{"../common":18,"./tracker":16,debug:35,inherits:44,randombytes:76,"simple-peer":95,"simple-websocket":97,xtend:124}],18:[function(e,t,n){var r=e("safe-buffer").Buffer,o=e("xtend/mutable");n.DEFAULT_ANNOUNCE_PEERS=50,n.MAX_ANNOUNCE_PEERS=82,n.binaryToHex=function(e){return"string"!=typeof e&&(e+=""),r.from(e,"binary").toString("hex")},n.hexToBinary=function(e){return"string"!=typeof e&&(e+=""),r.from(e,"hex").toString("binary")};var i=e("./common-node");o(n,i)},{"./common-node":21,"safe-buffer":92,"xtend/mutable":125}],19:[function(e,t){(function(n){t.exports=function(e,t){function r(i){o.removeEventListener("loadend",r,!1),i.error?t(i.error):t(null,n.from(o.result))}if("undefined"==typeof Blob||!(e instanceof Blob))throw new Error("first argument must be a Blob");if("function"!=typeof t)throw new Error("second argument must be a function");var o=new FileReader;o.addEventListener("loadend",r,!1),o.readAsArrayBuffer(e)}}).call(this,e("buffer").Buffer)},{buffer:23}],20:[function(e,t){(function(n){function r(e,t){return this instanceof r?void(i.call(this),!t&&(t={}),"object"==typeof e&&(t=e,e=t.size),this.size=e||512,this._zeroPadding=!t.nopad&&s(t.zeroPadding,!0),this._buffered=[],this._bufferedBytes=0):new r(e,t)}var 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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._debugBuffers=[],n._openHandler=function(){n._onSourceOpen()},n._flowHandler=function(){n._flow()},n._errorHandler=function(e){n.destroyed||n.emit("error",e)},"string"==typeof t)n._type=t,"open"===n._mediaSource.readyState?n._createSourceBuffer():n._mediaSource.addEventListener("sourceopen",n._openHandler);else if(null===t._sourceBuffer)t.destroy(),n._type=t._type,n._mediaSource.addEventListener("sourceopen",n._openHandler);else if(t._sourceBuffer)t.destroy(),n._type=t._type,n._sourceBuffer=t._sourceBuffer,n._debugBuffers=t._debugBuffers,n._sourceBuffer.addEventListener("updateend",n._flowHandler),n._sourceBuffer.addEventListener("error",n._errorHandler);else throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that 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e=this;e.destroyed||(e._mediaSource.removeEventListener("sourceopen",e._openHandler),e._createSourceBuffer())},r.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),t._sourceBuffer.removeEventListener("error",t._errorHandler),"open"===t._mediaSource.readyState&&t._sourceBuffer.abort()),e&&t.emit("error",e),t.emit("close"))},r.prototype._createSourceBuffer=function(){var e=this;if(!e.destroyed)if(!a.isTypeSupported(e._type))e.destroy(new Error("The provided type is not supported"));else if(e._sourceBuffer=e._mediaSource.addSourceBuffer(e._type),e._sourceBuffer.addEventListener("updateend",e._flowHandler),e._sourceBuffer.addEventListener("error",e._errorHandler),e._cb){var t=e._cb;e._cb=null,t()}},r.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"));var o=d(e);r._wrapper._debug&&r._debugBuffers.push(o);try{r._sourceBuffer.appendBuffer(o)}catch(e){return void r.destroy(e)}r._cb=n}},r.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()}};r.prototype._getBufferDuration=function(){for(var e=this,t=e._sourceBuffer.buffered,n=e._elem.currentTime,r=-1,o=0;o<t.length;o++){var s=t.start(o),d=t.end(o)+0;if(s>n)break;else(0<=r||n<=d)&&(r=d)}var a=r-n;return 0>a&&(a=0),a}},{inherits:44,"readable-stream":86,"to-arraybuffer":110}],53:[function(e,t){(function(e){function n(e,t){if(!(this instanceof n))return new 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n=e.toString("ascii",0,4),r=e.readUInt32BE(4),o=[],s=8;s<e.length;s+=4)o.push(e.toString("ascii",s,s+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,t,r){return t=t?t.slice(r):w(96),i(e.ctime||new Date,t,0),i(e.mtime||new Date,t,4),t.writeUInt32BE(e.timeScale||0,8),t.writeUInt32BE(e.duration||0,12),a(e.preferredRate||0,t,16),c(e.preferredVolume||0,t,20),o(t,22,32),l(e.matrix,t,32),t.writeUInt32BE(e.previewTime||0,68),t.writeUInt32BE(e.previewDuration||0,72),t.writeUInt32BE(e.posterTime||0,76),t.writeUInt32BE(e.selectionTime||0,80),t.writeUInt32BE(e.selectionDuration||0,84),t.writeUInt32BE(e.currentTime||0,88),t.writeUInt32BE(e.nextTrackId||0,92),n.mvhd.encode.bytes=96,t},n.mvhd.decode=function(e,t){return e=e.slice(t),{ctime:h(e,0),mtime:h(e,4),timeScale:e.readUInt32BE(8),duration:e.readUInt32BE(12),preferredRate:m(e,16),preferredVolume:g(e,20),matrix:u(e.slice(32,68)),previewTime:e.readUInt32BE(68),previewDuration:e.readUInt32BE(72),posterTime:e.readUInt32BE(76),selectionTime:e.readUInt32BE(80),selectionDuration:e.readUInt32BE(84),currentTime:e.readUInt32BE(88),nextTrackId:e.readUInt32BE(92)}},n.mvhd.encodingLength=function(){return 96},n.tkhd={},n.tkhd.encode=function(e,t,r){return t=t?t.slice(r):w(80),i(e.ctime||new Date,t,0),i(e.mtime||new Date,t,4),t.writeUInt32BE(e.trackId||0,8),o(t,12,16),t.writeUInt32BE(e.duration||0,16),o(t,20,28),t.writeUInt16BE(e.layer||0,28),t.writeUInt16BE(e.alternateGroup||0,30),t.writeUInt16BE(e.volume||0,32),l(e.matrix,t,36),t.writeUInt32BE(e.trackWidth||0,72),t.writeUInt32BE(e.trackHeight||0,76),n.tkhd.encode.bytes=80,t},n.tkhd.decode=function(e,t){return e=e.slice(t),{ctime:h(e,0),mtime:h(e,4),trackId:e.readUInt32BE(8),duration:e.readUInt32BE(16),layer:e.readUInt16BE(28),alternateGroup:e.readUInt16BE(30),volume:e.readUInt16BE(32),matrix:u(e.slice(36,72)),trackWidth:e.readUInt32BE(72),trackHeight:e.readUInt32BE(76)}},n.tkhd.encodingLength=function(){return 80},n.mdhd={},n.mdhd.encode=function(e,t,r){return 1===e.version?(t=t?t.slice(r):w(32),s(e.ctime||new Date,t,0),s(e.mtime||new Date,t,8),t.writeUInt32BE(e.timeScale||0,16),t.writeUIntBE(e.duration||0,20,6),t.writeUInt16BE(e.language||0,28),t.writeUInt16BE(e.quality||0,30),n.mdhd.encode.bytes=32,t):(t=t?t.slice(r):w(20),i(e.ctime||new Date,t,0),i(e.mtime||new Date,t,4),t.writeUInt32BE(e.timeScale||0,8),t.writeUInt32BE(e.duration||0,12),t.writeUInt16BE(e.language||0,16),t.writeUInt16BE(e.quality||0,18),n.mdhd.encode.bytes=20,t)},n.mdhd.decode=function(e,t,n){e=e.slice(t);return 20!=n-t?{ctime:f(e,0),mtime:f(e,8),timeScale:e.readUInt32BE(16),duration:e.readUIntBE(20,6),language:e.readUInt16BE(28),quality:e.readUInt16BE(30)}:{ctime:h(e,0),mtime:h(e,4),timeScale:e.readUInt32BE(8),duration:e.readUInt32BE(12),language:e.readUInt16BE(16),quality:e.readUInt16BE(18)}},n.mdhd.encodingLength=function(e){return 1===e.version?32:20},n.vmhd={},n.vmhd.encode=function(e,t,r){t=t?t.slice(r):w(8),t.writeUInt16BE(e.graphicsMode||0,0);var o=e.opcolor||[0,0,0];return t.writeUInt16BE(o[0],2),t.writeUInt16BE(o[1],4),t.writeUInt16BE(o[2],6),n.vmhd.encode.bytes=8,t},n.vmhd.decode=function(e,t){return e=e.slice(t),{graphicsMode:e.readUInt16BE(0),opcolor:[e.readUInt16BE(2),e.readUInt16BE(4),e.readUInt16BE(6)]}},n.vmhd.encodingLength=function(){return 8},n.smhd={},n.smhd.encode=function(e,t,r){return t=t?t.slice(r):w(4),t.writeUInt16BE(e.balance||0,0),o(t,2,4),n.smhd.encode.bytes=4,t},n.smhd.decode=function(e,t){return e=e.slice(t),{balance:e.readUInt16BE(0)}},n.smhd.encodingLength=function(){return 4},n.stsd={},n.stsd.encode=function(e,t,r){t=t?t.slice(r):w(n.stsd.encodingLength(e));var o=e.entries||[];t.writeUInt32BE(o.length,0);for(var s=4,d=0,a;d<o.length;d++)a=o[d],y.encode(a,t,s),s+=y.encode.bytes;return n.stsd.encode.bytes=s,t},n.stsd.decode=function(e,t,n){e=e.slice(t);for(var r=e.readUInt32BE(0),o=Array(r),s=4,d=0,a;d<r;d++)a=y.decode(e,s,n),o[d]=a,s+=a.length;return{entries:o}},n.stsd.encodingLength=function(e){var t=4;if(!e.entries)return t;for(var n=0;n<e.entries.length;n++)t+=y.encodingLength(e.entries[n]);return t},n.avc1=n.VisualSampleEntry={},n.VisualSampleEntry.encode=function(e,t,r){t=t?t.slice(r):w(n.VisualSampleEntry.encodingLength(e)),o(t,0,6),t.writeUInt16BE(e.dataReferenceIndex||0,6),o(t,8,24),t.writeUInt16BE(e.width||0,24),t.writeUInt16BE(e.height||0,26),t.writeUInt32BE(e.hResolution||4718592,28),t.writeUInt32BE(e.vResolution||4718592,32),o(t,36,40),t.writeUInt16BE(e.frameCount||1,40);var i=e.compressorName||"",s=d(i.length,31);t.writeUInt8(s,42),t.write(i,43,s,"utf8"),t.writeUInt16BE(e.depth||24,74),t.writeInt16BE(-1,76);var a=78,c=e.children||[];c.forEach(function(e){y.encode(e,t,a),a+=y.encode.bytes}),n.VisualSampleEntry.encode.bytes=a},n.VisualSampleEntry.decode=function(e,t,n){e=e.slice(t);for(var r=n-t,o=d(e.readUInt8(42),31),i={dataReferenceIndex:e.readUInt16BE(6),width:e.readUInt16BE(24),height:e.readUInt16BE(26),hResolution:e.readUInt32BE(28),vResolution:e.readUInt32BE(32),frameCount:e.readUInt16BE(40),compressorName:e.toString("utf8",43,43+o),depth:e.readUInt16BE(74),children:[]},s=78;8<=r-s;){var a=y.decode(e,s,r);i.children.push(a),i[a.type]=a,s+=a.length}return i},n.VisualSampleEntry.encodingLength=function(e){var t=78,n=e.children||[];return n.forEach(function(e){t+=y.encodingLength(e)}),t},n.avcC={},n.avcC.encode=function(e,t,r){t=t?t.slice(r):w(e.buffer.length),e.buffer.copy(t),n.avcC.encode.bytes=e.buffer.length},n.avcC.decode=function(e,t,n){return e=e.slice(t,n),{mimeCodec:e.toString("hex",1,4),buffer:k(e)}},n.avcC.encodingLength=function(e){return e.buffer.length},n.mp4a=n.AudioSampleEntry={},n.AudioSampleEntry.encode=function(e,t,r){t=t?t.slice(r):w(n.AudioSampleEntry.encodingLength(e)),o(t,0,6),t.writeUInt16BE(e.dataReferenceIndex||0,6),o(t,8,16),t.writeUInt16BE(e.channelCount||2,16),t.writeUInt16BE(e.sampleSize||16,18),o(t,20,24),t.writeUInt32BE(e.sampleRate||0,24);var i=28,s=e.children||[];s.forEach(function(e){y.encode(e,t,i),i+=y.encode.bytes}),n.AudioSampleEntry.encode.bytes=i},n.AudioSampleEntry.decode=function(e,t,n){e=e.slice(t,n);for(var r=n-t,o={dataReferenceIndex:e.readUInt16BE(6),channelCount:e.readUInt16BE(16),sampleSize:e.readUInt16BE(18),sampleRate:e.readUInt32BE(24),children:[]},i=28;8<=r-i;){var s=y.decode(e,i,r);o.children.push(s),o[s.type]=s,i+=s.length}return o},n.AudioSampleEntry.encodingLength=function(e){var t=28,n=e.children||[];return 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t=t?t.slice(r):w(4),t.writeUInt32BE(e.fragmentDuration||0,0),n.mehd.encode.bytes=4,t},n.mehd.decode=function(e,t){return e=e.slice(t),{fragmentDuration:e.readUInt32BE(0)}},n.mehd.encodingLength=function(){return 4},n.trex={},n.trex.encode=function(e,t,r){return t=t?t.slice(r):w(20),t.writeUInt32BE(e.trackId||0,0),t.writeUInt32BE(e.defaultSampleDescriptionIndex||0,4),t.writeUInt32BE(e.defaultSampleDuration||0,8),t.writeUInt32BE(e.defaultSampleSize||0,12),t.writeUInt32BE(e.defaultSampleFlags||0,16),n.trex.encode.bytes=20,t},n.trex.decode=function(e,t){return e=e.slice(t),{trackId:e.readUInt32BE(0),defaultSampleDescriptionIndex:e.readUInt32BE(4),defaultSampleDuration:e.readUInt32BE(8),defaultSampleSize:e.readUInt32BE(12),defaultSampleFlags:e.readUInt32BE(16)}},n.trex.encodingLength=function(){return 20},n.mfhd={},n.mfhd.encode=function(e,t,r){return t=t?t.slice(r):w(4),t.writeUInt32BE(e.sequenceNumber||0,0),n.mfhd.encode.bytes=4,t},n.mfhd.decode=function(e){return{sequenceNumber:e.readUInt32BE(0)}},n.mfhd.encodingLength=function(){return 4},n.tfhd={},n.tfhd.encode=function(e,t,r){return t=t?t.slice(r):w(4),t.writeUInt32BE(e.trackId,0),n.tfhd.encode.bytes=4,t},n.tfhd.decode=function(){},n.tfhd.encodingLength=function(){return 4},n.tfdt={},n.tfdt.encode=function(e,t,r){return t=t?t.slice(r):w(4),t.writeUInt32BE(e.baseMediaDecodeTime||0,0),n.tfdt.encode.bytes=4,t},n.tfdt.decode=function(){},n.tfdt.encodingLength=function(){return 4},n.trun={},n.trun.encode=function(e,t,r){t=t?t.slice(r):w(8+16*e.entries.length),t.writeUInt32BE(e.entries.length,0),t.writeInt32BE(e.dataOffset,4);for(var o=8,s=0,d;s<e.entries.length;s++)d=e.entries[s],t.writeUInt32BE(d.sampleDuration,o),o+=4,t.writeUInt32BE(d.sampleSize,o),o+=4,t.writeUInt32BE(d.sampleFlags,o),o+=4,0===(e.version||0)?t.writeUInt32BE(d.sampleCompositionTimeOffset,o):t.writeInt32BE(d.sampleCompositionTimeOffset,o),o+=4;n.trun.encode.bytes=o},n.trun.decode=function(){},n.trun.encodingLength=function(e){return 8+16*e.entries.length},n.mdat={},n.mdat.encode=function(e,t,r){e.buffer?(e.buffer.copy(t,r),n.mdat.encode.bytes=e.buffer.length):n.mdat.encode.bytes=n.mdat.encodingLength(e)},n.mdat.decode=function(e,t,n){return{buffer:k(e.slice(t,n))}},n.mdat.encodingLength=function(e){return e.buffer?e.buffer.length:e.contentLength}},{"./descriptor":55,"./index":56,"buffer-alloc":27,"buffer-from":29,uint64be:114}],55:[function(e,t,n){var r=e("buffer-from"),o={3:"ESDescriptor",4:"DecoderConfigDescriptor",5:"DecoderSpecificInfo",6:"SLConfigDescriptor"};n.Descriptor={},n.Descriptor.decode=function(e,t,i){var s=e.readUInt8(t),d=t+1,a=0,c;do c=e.readUInt8(d++),a=a<<7|127&c;while(128&c);var l=o[s],p;return p=n[l]?n[l].decode(e,d,i):{buffer:r(e.slice(d,d+a))},p.tag=s,p.tagName=l,p.length=d-t+a,p.contentsLen=a,p},n.DescriptorArray={},n.DescriptorArray.decode=function(e,t,r){for(var i=t,s={};i+2<=r;){var d=n.Descriptor.decode(e,i,r);i+=d.length;var a=o[d.tag]||"Descriptor"+d.tag;s[a]=d}return s},n.ESDescriptor={},n.ESDescriptor.decode=function(e,t,r){var o=e.readUInt8(t+2),i=t+3;if(128&o&&(i+=2),64&o){var s=e.readUInt8(i);i+=s+1}return 32&o&&(i+=2),n.DescriptorArray.decode(e,i,r)},n.DecoderConfigDescriptor={},n.DecoderConfigDescriptor.decode=function(e,t,r){var o=e.readUInt8(t),i=n.DescriptorArray.decode(e,t+13,r);return i.oti=o,i}},{"buffer-from":29}],56:[function(e,t,n){var r=e("uint64be"),o=e("buffer-alloc"),i=e("buffer-from"),s=e("./boxes"),d=4294967295,a=n,c=n.containers={moov:["mvhd","meta","traks","mvex"],trak:["tkhd","tref","trgr","edts","meta","mdia","udta"],edts:["elst"],mdia:["mdhd","hdlr","elng","minf"],minf:["vmhd","smhd","hmhd","sthd","nmhd","dinf","stbl"],dinf:["dref"],stbl:["stsd","stts","ctts","cslg","stsc","stsz","stz2","stco","co64","stss","stsh","padb","stdp","sdtp","sbgps","sgpds","subss","saizs","saios"],mvex:["mehd","trexs","leva"],moof:["mfhd","meta","trafs"],traf:["tfhd","tfdt","trun","sbgps","sgpds","subss","saizs","saios","meta"]};a.encode=function(e,t,n){return a.encodingLength(e),n=n||0,t=t||o(e.length),a._encode(e,t,n)},a._encode=function(e,t,n){var o=e.type,i=e.length;i>d&&(i=1),t.writeUInt32BE(i,n),t.write(e.type,n+4,4,"ascii");var l=n+8;if(1===i&&(r.encode(e.length,t,l),l+=8),s.fullBoxes[o]&&(t.writeUInt32BE(e.flags||0,l),t.writeUInt8(e.version||0,l),l+=4),c[o]){var p=c[o];p.forEach(function(n){if(5===n.length){var 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a.decodeWithoutHeaders(r,e,t+r.headersLen,t+r.length)},a.decodeWithoutHeaders=function(e,t,n,r){n=n||0,r=r||t.length;var o=e.type,d={};if(c[o]){d.otherBoxes=[];for(var l=c[o],p=n,u;8<=r-p;)if(u=a.decode(t,p,r),p+=u.length,0<=l.indexOf(u.type))d[u.type]=u;else if(0<=l.indexOf(u.type+"s")){var f=u.type+"s",h=d[f]=d[f]||[];h.push(u)}else d.otherBoxes.push(u)}else if(s[o]){var m=s[o].decode;d=m(t,n,r)}else d.buffer=i(t.slice(n,r));return d.length=e.length,d.contentLen=e.contentLen,d.type=e.type,d.version=e.version,d.flags=e.flags,d},a.encodingLength=function(e){var t=e.type,n=8;if(s.fullBoxes[t]&&(n+=4),c[t]){var r=c[t];r.forEach(function(t){if(5===t.length){var r=e[t]||[];t=t.substr(0,4),r.forEach(function(e){e.type=t,n+=a.encodingLength(e)})}else if(e[t]){var o=e[t];o.type=t,n+=a.encodingLength(o)}}),e.otherBoxes&&e.otherBoxes.forEach(function(e){n+=a.encodingLength(e)})}else if(s[t])n+=s[t].encodingLength(e);else if(e.buffer)n+=e.buffer.length;else throw new Error("Either `type` must be 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o=e.length<this._missing?e.length:this._missing;if(this._buf?e.copy(this._buf,this._buf.length-this._missing):this._str&&(r=this._str.write(o===e.length?e:e.slice(0,o))),this._missing-=o,!this._missing){var i=this._buf,s=this._cb,d=this._str;this._buf=this._cb=this._str=this._ondrain=null,r=!0,d&&d.end(),s&&s(i)}e=o===e.length?l:e.slice(o)}return this._pending&&!this._missing?(this._writeBuffer=e,void(this._writeCb=n)):void(r?n():this._ondrain(n))}},r.prototype._buffer=function(e,t){this._missing=e,this._buf=c(e),this._cb=t},r.prototype._stream=function(e,t){var n=this;return this._missing=e,this._str=new o(this),this._ondrain=d(this._str,"drain"),this._pending++,this._str.on("end",function(){n._pending--,n._kick()}),this._cb=t,this._str},r.prototype._readBox=function(){function e(r,o){t._buffer(r,function(r){o=o?n.concat([o,r]):r;var i=a.readHeaders(o);"number"==typeof i?e(i-o.length,o):(t._pending++,t._headers=i,t.emit("box",i))})}var t=this;e(8)},r.prototype.stream=function(){var e=this;if(!e._headers)throw new Error("this function can only be called once after 'box' is emitted");var t=e._headers;return e._headers=null,e._stream(t.contentLen,null)},r.prototype.decode=function(e){var t=this;if(!t._headers)throw new Error("this function can only be called once after 'box' is emitted");var n=t._headers;t._headers=null,t._buffer(n.contentLen,function(r){var o=a.decodeWithoutHeaders(n,r);e(o),t._pending--,t._kick()})},r.prototype.ignore=function(){var e=this;if(!e._headers)throw new Error("this function can only be called once after 'box' is emitted");var t=e._headers;e._headers=null,this._missing=t.contentLen,this._cb=function(){e._pending--,e._kick()}},r.prototype._kick=function(){if(!this._pending&&(this._buf||this._str||this._readBox(),this._writeBuffer)){var e=this._writeCb,t=this._writeBuffer;this._writeBuffer=null,this._writeCb=null,this._write(t,null,e)}},s(o,i.PassThrough),o.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,this._parent.destroy(e),e&&this.emit("error",e),this.emit("close"))}}).call(this,e("buffer").Buffer)},{buffer:23,"buffer-alloc":27,inherits:44,"mp4-box-encoding":56,"next-event":62,"readable-stream":86}],58:[function(e,t){(function(n){function r(){}function o(){if(!(this instanceof o))return new o;s.Readable.call(this),this.destroyed=!1,this._reading=!1,this._stream=null,this._drain=null,this._want=!1,this._onreadable=function(){e._want&&(e._want=!1,e._read())},this._onend=function(){e._stream=null};var e=this}function i(e){this._parent=e,this.destroyed=!1,s.PassThrough.call(this)}var s=e("readable-stream"),d=e("inherits"),a=e("mp4-box-encoding"),c=e("buffer-alloc");t.exports=o,d(o,s.Readable),o.prototype.mediaData=o.prototype.mdat=function(e,t){var n=new i(this);return 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window&&!!window.webkitRTCPeerConnection,t.initiator=e.initiator||!1,t.channelConfig=e.channelConfig||r.channelConfig,t.config=e.config||r.config,t.constraints=t._transformConstraints(e.constraints||r.constraints),t.offerConstraints=t._transformConstraints(e.offerConstraints||{}),t.answerConstraints=t._transformConstraints(e.answerConstraints||{}),t.sdpTransform=e.sdpTransform||function(e){return e},t.streams=e.streams||(e.stream?[e.stream]:[]),t.trickle=void 0===e.trickle||e.trickle,t.destroyed=!1,t.connected=!1,t.remoteAddress=void 0,t.remoteFamily=void 0,t.remotePort=void 0,t.localAddress=void 0,t.localPort=void 0,t._wrtc=e.wrtc&&"object"==typeof e.wrtc?e.wrtc:d(),!t._wrtc)if("undefined"==typeof window)throw o("No WebRTC support: Specify `opts.wrtc` option in this environment","ERR_WEBRTC_SUPPORT");else throw o("No WebRTC support: Not a supported 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e)try{e=JSON.parse(e)}catch(t){e={}}t._debug("signal()"),e.renegotiate&&(t._debug("got request to renegotiate"),t._needsNegotiation()),e.candidate&&(t._pc.remoteDescription&&t._pc.remoteDescription.type?t._addIceCandidate(e.candidate):t._pendingCandidates.push(e.candidate)),e.sdp&&t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){t.destroyed||(t._pendingCandidates.forEach(function(e){t._addIceCandidate(e)}),t._pendingCandidates=[],"offer"===t._pc.remoteDescription.type&&t._createAnswer())},function(e){t.destroy(o(e,"ERR_SET_REMOTE_DESCRIPTION"))}),e.sdp||e.candidate||e.renegotiate||t.destroy(o("signal() called with invalid signal data","ERR_SIGNALING"))},r.prototype._addIceCandidate=function(e){var t=this;try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e),i,function(e){t.destroy(o(e,"ERR_ADD_ICE_CANDIDATE"))})}catch(e){t.destroy(o("error adding candidate: "+e.message,"ERR_ADD_ICE_CANDIDATE"))}},r.prototype.send=function(e){var t=this;t._channel.send(e)},r.prototype.addStream=function(e){var t=this;t._debug("addStream()"),e.getTracks().forEach(function(n){t.addTrack(n,e)})},r.prototype.addTrack=function(e,t){var n=this;n._debug("addTrack()");var r=n._pc.addTrack(e,t),o=n._senderMap.get(e)||new WeakMap;o.set(t,r),n._senderMap.set(e,o),n._needsNegotiation()},r.prototype.removeTrack=function(e,t){var n=this;n._debug("removeSender()");var r=n._senderMap.get(e),o=r?r.get(t):null;o||n.destroy(new Error("Cannot remove track that was never added."));try{n._pc.removeTrack(o)}catch(e){"NS_ERROR_UNEXPECTED"===e.name?n._sendersAwaitingStable.push(o):n.destroy(e)}},r.prototype.removeStream=function(e){var t=this;t._debug("removeSenders()"),e.getTracks().forEach(function(n){t.removeTrack(n,e)})},r.prototype._needsNegotiation=function(){var e=this;e._debug("_needsNegotiation");e._batchedNegotiation||(e._batchedNegotiation=!0,setTimeout(function(){e._batchedNegotiation=!1,e._debug("starting batched 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n=[];t.forEach(function(e){n.push(e)}),e(null,n)},function(t){e(t)}):t._isReactNativeWebrtc?t._pc.getStats(null,function(t){var n=[];t.forEach(function(e){n.push(e)}),e(null,n)},function(t){e(t)}):0<t._pc.getStats.length?t._pc.getStats(function(n){if(!t.destroyed){var r=[];n.result().forEach(function(e){var t={};e.names().forEach(function(n){t[n]=e.stat(n)}),t.id=e.id,t.type=e.type,t.timestamp=e.timestamp,r.push(t)}),e(null,r)}},function(t){e(t)}):e(null,[])},r.prototype._maybeReady=function(){function e(){t.destroyed||t.getStats(function(n,r){function i(e){c=!0;var n=d[e.localCandidateId];n&&n.ip?(t.localAddress=n.ip,t.localPort=+n.port):n&&n.ipAddress?(t.localAddress=n.ipAddress,t.localPort=+n.portNumber):"string"==typeof e.googLocalAddress&&(n=e.googLocalAddress.split(":"),t.localAddress=n[0],t.localPort=+n[1]);var r=s[e.remoteCandidateId];r&&r.ip?(t.remoteAddress=r.ip,t.remotePort=+r.port):r&&r.ipAddress?(t.remoteAddress=r.ipAddress,t.remotePort=+r.portNumber):"string"==typeof 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S=S||n.host&&C.length,S&&!U&&C.unshift(""),C.length?n.pathname=C.join("/"):(n.pathname=null,n.path=null),d.isNull(n.pathname)&&d.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=i.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":118,punycode:71,querystring:74}],118:[function(e,t){"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}}},{}],119:[function(e,t){var n=e("bencode"),r=e("bitfield"),i=e("safe-buffer").Buffer,s=e("debug")("ut_metadata"),d=e("events").EventEmitter,a=e("inherits"),c=e("simple-sha1"),l=1e3,p=16384;t.exports=function(e){function t(t){d.call(this),this._wire=t,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._fetching=!1,this._bitfield=new r(0,{grow:l}),i.isBuffer(e)&&this.setMetadata(e)}return a(t,d),t.prototype.name="ut_metadata",t.prototype.onHandshake=function(e){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||0>=e.metadata_size?this.emit("warning",new Error("Peer gave invalid metadata size")):void(this._metadataSize=e.metadata_size,this._numPieces=o(this._metadataSize/p),this._remainingRejects=2*this._numPieces,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,r;try{var o=e.toString(),i=o.indexOf("ee")+2;t=n.decode(o.substring(0,i)),r=e.slice(i)}catch(e){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,r,t.total_size);break;case 2:this._onReject(t.piece);}},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=n.decode(e).info;t&&(e=n.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",n.encode({info:n.decode(this.metadata)})),!0)},t.prototype._send=function(e,t){var r=n.encode(e);i.isBuffer(t)&&(r=i.concat([r,t])),this._wire.extended("ut_metadata",r)},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*p,n=t+p;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){t.length>p||(t.copy(this.metadata,e*p),this._bitfield.set(e),this._checkDone())},t.prototype._onReject=function(e){0<this._remainingRejects&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("warning",new Error("Peer sent \"reject\" too much"))},t.prototype._requestPieces=function(){this.metadata=i.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}if(e){var n=this.setMetadata(this.metadata);n||this._failedMetadata()}},t.prototype._failedMetadata=function(){this._bitfield=new r(0,{grow:l}),this._remainingRejects-=this._numPieces,0<this._remainingRejects?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))},t}},{bencode:11,bitfield:13,debug:35,events:24,inherits:44,"safe-buffer":92,"simple-sha1":96}],120:[function(e,t){(function(e){function n(t){try{if(!e.localStorage)return!1}catch(e){return!1}var n=e.localStorage[t];return null!=n&&"true"===(n+"").toLowerCase()}t.exports=function(e,t){function r(){if(!o){if(n("throwDeprecation"))throw new Error(t);else n("traceDeprecation")?console.trace(t):console.warn(t);o=!0}return e.apply(this,arguments)}if(n("noDeprecation"))return e;var o=!1;return r}}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],121:[function(e,t){(function(n){function o(e){var t=this;a.call(t),t._tracks=[],t._fragmentSequence=1,t._file=e,t._decoder=null,t._findMoov(0)}function s(e,t){var n=this;n._entries=e,n._countName=t||"count",n._index=0,n._offset=0,n.value=n._entries[0]}function d(){return{version:0,flags:0,entries:[]}}var i=e("binary-search"),a=e("events").EventEmitter,c=e("inherits"),l=e("mp4-stream"),p=e("mp4-box-encoding"),u=e("range-slice-stream");t.exports=o,c(o,a),o.prototype._findMoov=function(e){var t=this;t._decoder&&t._decoder.destroy(),t._decoder=l.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))})},s.prototype.inc=function(){var e=this;e._offset++,e._offset>=e._entries[e._index][e._countName]&&(e._index++,e._offset=0),e.value=e._entries[e._index]},o.prototype._processMoov=function(e){var t=this,r=e.traks;t._tracks=[],t._hasVideo=!1,t._hasAudio=!1;for(var o=0;o<r.length;o++){var a=r[o],c=a.mdia.minf.stbl,l=c.stsd.entries[0],u=a.mdia.hdlr.handlerType,f,h;if("vide"===u&&"avc1"===l.type){if(t._hasVideo)continue;t._hasVideo=!0,f="avc1",l.avcC&&(f+="."+l.avcC.mimeCodec),h="video/mp4; codecs=\""+f+"\""}else if("soun"===u&&"mp4a"===l.type){if(t._hasAudio)continue;t._hasAudio=!0,f="mp4a",l.esds&&l.esds.mimeCodec&&(f+="."+l.esds.mimeCodec),h="audio/mp4; codecs=\""+f+"\""}else continue;var m=[],g=0,_=0,y=0,b=0,w=0,k=0,x=new s(c.stts.entries),v=null;c.ctts&&(v=new s(c.ctts.entries));for(var S=0;;){var E=c.stsc.entries[w],C=c.stsz.entries[g],I=x.value.duration,B=v?v.value.compositionOffset:0,L=!0;c.stss&&(L=c.stss.entries[S]===g+1);var T=c.stco||c.co64;if(m.push({size:C,duration:I,dts:k,presentationOffset:B,sync:L,offset:b+T.entries[y]}),g++,g>=c.stsz.entries.length)break;if(_++,b+=C,_>=E.samplesPerChunk){_=0,b=0,y++;var A=c.stsc.entries[w+1];A&&y+1>=A.firstChunk&&w++}k+=I,x.inc(),v&&v.inc(),L&&S++}a.mdia.mdhd.duration=0,a.tkhd.duration=0;var R=E.sampleDescriptionId,U={type:"moov",mvhd:e.mvhd,traks:[{tkhd:a.tkhd,mdia:{mdhd:a.mdia.mdhd,hdlr:a.mdia.hdlr,elng:a.mdia.elng,minf:{vmhd:a.mdia.minf.vmhd,smhd:a.mdia.minf.smhd,dinf:a.mdia.minf.dinf,stbl:{stsd:c.stsd,stts:d(),ctts:d(),stsc:d(),stsz:d(),stco:d(),stss:d()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:a.tkhd.trackId,defaultSampleDescriptionIndex:R,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:a.tkhd.trackId,timeScale:a.mdia.mdhd.timeScale,samples:m,currSample:null,currTime:null,moov:U,mime:h})}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 P=p.encode(t._ftyp),O=t._tracks.map(function(e){var t=p.encode(e.moov);return{mime:e.mime,init:n.concat([P,t])}});t.emit("ready",O)},o.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 d=r.inStream.slice(e.ranges);d.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=l.encode(),d=t._generateFragment(o,e);return d?void((-1===n||d.ranges[0].start<n)&&(n=d.ranges[0].start),i(d)):s.finalize()}),0<=n){var r=t._fileStream=t._file.createReadStream({start:n});t._tracks.forEach(function(e){e.inStream=new u(n,{highWaterMark:1e7}),r.pipe(e.inStream)})}return t._tracks.map(function(e){return e.outStream})},o.prototype._findSampleBefore=function(e,t){var n=this,o=n._tracks[e],s=r(o.timeScale*t),d=i(o.samples,s,function(e,n){var t=e.dts+e.presentationOffset;return t-n});for(-1===d?d=0:0>d&&(d=-d-2);!o.samples[d].sync;)d--;return d};o.prototype._generateFragment=function(e,t){var n=this,r=n._tracks[e],o;if(o=void 0===t?r.currSample:n._findSampleBefore(e,t),o>=r.samples.length)return null;for(var i=r.samples[o].dts,s=0,d=[],a=o,c;a<r.samples.length&&(c=r.samples[a],!(c.sync&&c.dts-i>=1*r.timeScale));a++){s+=c.size;var l=d.length-1;0>l||d[l].end!==c.offset?d.push({start:c.offset,end:c.offset+c.size}):d[l].end+=c.size}return r.currSample=a,{moof:n._generateMoof(e,o,a),ranges:d,length:s}},o.prototype._generateMoof=function(e,t,n){for(var r=this,o=r._tracks[e],i=[],s=0,d=t,a;d<n;d++)a=o.samples[d],0>a.presentationOffset&&(s=1),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,version:s}}]};return c.trafs[0].trun.dataOffset+=p.encodingLength(c),c}}).call(this,e("buffer").Buffer)},{"binary-search":12,buffer:23,events:24,inherits:44,"mp4-box-encoding":56,"mp4-stream":59,"range-slice-stream":77}],122:[function(e,t){function n(e,t,o){var i=this;return this instanceof n?void(o=o||{},i.detailedError=null,i._elem=t,i._elemWrapper=new r(t),i._waitingFired=!1,i._trackMeta=null,i._file=e,i._tracks=null,"none"!==i._elem.preload&&i._createMuxer(),i._onError=function(){i.detailedError=i._elemWrapper.detailedError,i.destroy()},i._onWaiting=function(){i._waitingFired=!0,i._muxer?i._tracks&&i._pump():i._createMuxer()},i._elem.addEventListener("waiting",i._onWaiting),i._elem.addEventListener("error",i._onError)):new n(e,t,o)}var r=e("mediasource"),o=e("pump"),i=e("./mp4-remuxer");t.exports=n,n.prototype._createMuxer=function(){var e=this;e._muxer=new i(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)})},n.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){return t?void e._elemWrapper.error(t):void i()}})},n.prototype.destroy=function(){var e=this;e.destroyed||(e.destroyed=!0,e._elem.removeEventListener("waiting",e._onWaiting),e._elem.removeEventListener("error",e._onError),e._tracks&&e._tracks.forEach(function(e){e.muxed&&e.muxed.destroy()}),e._elem.src="")}},{"./mp4-remuxer":121,mediasource:52,pump:70}],123:[function(e,t){function n(e,t){function r(){for(var t=Array(arguments.length),n=0;n<t.length;n++)t[n]=arguments[n];var r=e.apply(this,t),o=t[t.length-1];return"function"==typeof r&&r!==o&&Object.keys(o).forEach(function(e){r[e]=o[e]}),r}if(e&&t)return n(e)(t);if("function"!=typeof e)throw new TypeError("need wrapper function");return Object.keys(e).forEach(function(t){r[t]=e[t]}),r}t.exports=n},{}],124:[function(e,t){t.exports=function(){for(var e={},t=0,r;t<arguments.length;t++)for(var o in r=arguments[t],r)n.call(r,o)&&(e[o]=r[o]);return e};var n=Object.prototype.hasOwnProperty},{}],125:[function(e,t){t.exports=function(e){for(var t=1,r;t<arguments.length;t++)for(var o in r=arguments[t],r)n.call(r,o)&&(e[o]=r[o]);return e};var n=Object.prototype.hasOwnProperty},{}],126:[function(e,t){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<t?Array(t+(/\./.test(n)?2:1)).join(r)+n:n+"")}},{}],127:[function(e,t){t.exports={version:"0.102.0"}},{}],128:[function(e,t){(function(n,r){function o(e){function t(){i.destroyed||(i.ready=!0,i.emit("ready"))}var i=this;return i instanceof o?void(u.call(i),!e&&(e={}),i.peerId="string"==typeof e.peerId?e.peerId:d.isBuffer(e.peerId)?e.peerId.toString("hex"):d.from(I+w(9).toString("base64")).toString("hex"),i.peerIdBuffer=d.from(i.peerId,"hex"),i.nodeId="string"==typeof e.nodeId?e.nodeId:d.isBuffer(e.nodeId)?e.nodeId.toString("hex"):w(20).toString("hex"),i.nodeIdBuffer=d.from(i.nodeId,"hex"),i._debugId=i.peerId.toString("hex").substring(0,7),i.destroyed=!1,i.listening=!1,i.torrentPort=e.torrentPort||0,i.dhtPort=e.dhtPort||0,i.tracker=e.tracker===void 0?{}:e.tracker,i.torrents=[],i.maxConns=+e.maxConns||55,i._debug("new webtorrent (peerId %s, nodeId %s, port %s)",i.peerId,i.nodeId,i.torrentPort),i.tracker&&("object"!=typeof i.tracker&&(i.tracker={}),e.rtcConfig&&(console.warn("WebTorrent: opts.rtcConfig is deprecated. Use opts.tracker.rtcConfig instead"),i.tracker.rtcConfig=e.rtcConfig),e.wrtc&&(console.warn("WebTorrent: opts.wrtc is deprecated. Use opts.tracker.wrtc instead"),i.tracker.wrtc=e.wrtc),r.WRTC&&!i.tracker.wrtc&&(i.tracker.wrtc=r.WRTC)),"function"==typeof v?i._tcpPool=new v(i):n.nextTick(function(){i._onListening()}),i._downloadSpeed=k(),i._uploadSpeed=k(),!1!==e.dht&&"function"==typeof p?(i.dht=new p(f({nodeId:i.nodeId},e.dht)),i.dht.once("error",function(e){i._destroy(e)}),i.dht.once("listening",function(){var e=i.dht.address();e&&(i.dhtPort=e.port)}),i.dht.setMaxListeners(0),i.dht.listen(i.dhtPort)):i.dht=!1,i.enableWebSeeds=!1!==e.webSeeds,"function"==typeof m&&null!=e.blocklist?m(e.blocklist,{headers:{"user-agent":"WebTorrent/"+E+" (https://webtorrent.io)"}},function(e,n){return e?i.error("Failed to load blocklist: "+e.message):void(i.blocked=n,t())}):n.nextTick(t)):new o(e)}function i(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}function s(e){return"undefined"!=typeof FileList&&e instanceof FileList}t.exports=o;var d=e("safe-buffer").Buffer,a=e("simple-concat"),c=e("create-torrent"),l=e("debug")("webtorrent"),p=e("bittorrent-dht/client"),u=e("events").EventEmitter,f=e("xtend"),h=e("inherits"),m=e("load-ip-set"),g=e("run-parallel"),_=e("parse-torrent"),y=e("path"),b=e("simple-peer"),w=e("randombytes"),k=e("speedometer"),x=e("zero-fill"),v=e("./lib/tcp-pool"),S=e("./lib/torrent"),E=e("./package.json").version,C=E.match(/([0-9]+)/g).slice(0,2).map(function(e){return x(2,e%100)}).join(""),I="-WW"+C+"-";h(o,u),o.WEBRTC_SUPPORT=b.WEBRTC_SUPPORT,o.VERSION=E,Object.defineProperty(o.prototype,"downloadSpeed",{get:function(){return this._downloadSpeed()}}),Object.defineProperty(o.prototype,"uploadSpeed",{get:function(){return this._uploadSpeed()}}),Object.defineProperty(o.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(o.prototype,"ratio",{get:function(){var e=this.torrents.reduce(function(e,t){return e+t.uploaded},0),t=this.torrents.reduce(function(e,t){return e+t.received},0)||1;return e/t}}),o.prototype.get=function(e){var t=this,n=t.torrents.length,r,o;if(e instanceof S){for(r=0;r<n;r++)if(o=t.torrents[r],o===e)return o;}else{var s;try{s=_(e)}catch(e){}if(!s)return null;if(!s.infoHash)throw new Error("Invalid torrent identifier");for(r=0;r<n;r++)if(o=t.torrents[r],o.infoHash===s.infoHash)return o}return null},o.prototype.download=function(e,t,n){return console.warn("WebTorrent: client.download() is deprecated. Use client.add() instead"),this.add(e,t,n)},o.prototype.add=function(e,t,n){function r(){if(!s.destroyed)for(var e=0,n=s.torrents.length,r;e<n;e++)if(r=s.torrents[e],r.infoHash===d.infoHash&&r!==d)return void d._destroy(new Error("Cannot add duplicate torrent "+d.infoHash))}function o(){s.destroyed||("function"==typeof n&&n(d),s.emit("torrent",d))}function i(){d.removeListener("_infoHash",r),d.removeListener("ready",o),d.removeListener("close",i)}var s=this;if(s.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return s.add(e,null,t);s._debug("add"),t=t?f(t):{};var d=new S(e,s,t);return s.torrents.push(d),d.once("_infoHash",r),d.once("ready",o),d.once("close",i),d},o.prototype.seed=function(e,t,n){function r(e){o._debug("on seed"),"function"==typeof n&&n(e),e.emit("seed"),o.emit("seed",e)}var o=this;if(o.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return o.seed(e,null,t);o._debug("seed"),t=t?f(t):{},"string"==typeof e&&(t.path=y.dirname(e)),t.createdBy||(t.createdBy="WebTorrent/"+C);var d=o.add(null,t,function(e){var t=[function(t){e.load(l,t)}];o.dht&&t.push(function(t){e.once("dhtAnnounce",t)}),g(t,function(t){return o.destroyed?void 0:t?e._destroy(t):void r(e)})}),l;return s(e)&&(e=Array.prototype.slice.call(e)),Array.isArray(e)||(e=[e]),g(e.map(function(e){return function(t){i(e)?a(e,t):t(null,e)}}),function(e,n){return o.destroyed?void 0:e?d._destroy(e):void c.parseInput(n,t,function(e,r){return o.destroyed?void 0:e?d._destroy(e):void(l=r.map(function(e){return e.getStream}),c(n,t,function(e,t){if(!o.destroyed){if(e)return d._destroy(e);var n=o.get(t);n?d._destroy(new Error("Cannot add duplicate torrent "+n.infoHash)):d._onTorrentId(t)}}))})}),d},o.prototype.remove=function(e,t){this._debug("remove");var n=this.get(e);if(!n)throw new Error("No torrent with id "+e);this._remove(e,t)},o.prototype._remove=function(e,t){var n=this.get(e);n&&(this.torrents.splice(this.torrents.indexOf(n),1),n.destroy(t))},o.prototype.address=function(){return this.listening?this._tcpPool?this._tcpPool.server.address():{address:"0.0.0.0",family:"IPv4",port:0}:null},o.prototype.destroy=function(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)},o.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)}),g(r,t),e&&n.emit("error",e),n.torrents=[],n._tcpPool=null,n.dht=null},o.prototype._onListening=function(){if(this._debug("listening"),this.listening=!0,this._tcpPool){var e=this._tcpPool.server.address();e&&(this.torrentPort=e.port)}this.emit("listening")},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],l.apply(null,e)}}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/tcp-pool":21,"./lib/torrent":5,"./package.json":127,_process:69,"bittorrent-dht/client":21,"create-torrent":34,debug:35,events:24,inherits:44,"load-ip-set":21,"parse-torrent":65,path:66,randombytes:76,"run-parallel":90,"safe-buffer":92,"simple-concat":93,"simple-peer":95,speedometer:98,xtend:124,"zero-fill":126}]},{},[128])(128)});
\ No newline at end of file +(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?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,t.WebTorrent=e()}})(function(){var t=Math.abs,n=Math.pow,r=Math.floor,e=String.fromCharCode,o=Math.ceil,s=Math.max,d=Math.min,i;return function(){function s(d,e,n){function t(o,i){if(!e[o]){if(!d[o]){var l="function"==typeof require&&require;if(!i&&l)return l(o,!0);if(r)return r(o,!0);var c=new Error("Cannot find module '"+o+"'");throw c.code="MODULE_NOT_FOUND",c}var a=e[o]={exports:{}};d[o][0].call(a.exports,function(e){var r=d[o][1][e];return t(r||e)},a,a.exports,s,d,e,n)}return e[o].exports}for(var r="function"==typeof require&&require,o=0;o<n.length;o++)t(n[o]);return t}return s}()({1:[function(e,t){function n(e,t){i.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=0|(n+e.offset)/o,this._endPiece=0|(r+e.offset)/o,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=d(0|1048576/o,2)}t.exports=n;var r=e("debug")("webtorrent:file-stream"),o=e("inherits"),i=e("readable-stream");o(n,i.Readable),n.prototype._read=function(){this._reading||(this._reading=!0,this._notify())},n.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){if(e._notifying=!0,e._torrent.destroyed)return e._destroy(new Error("Torrent removed"));var t=e._piece;e._torrent.store.get(t,function(n,o){return e._notifying=!1,e.destroyed?void 0:n?e._destroy(n):void(r("read %s (length %s) (err %s)",t,o.length,n&&n.message),e._offset&&(o=o.slice(e._offset),e._offset=0),e._missing<o.length&&(o=o.slice(0,e._missing)),e._missing-=o.length,r("pushing buffer of length %s",o.length),e._reading=!1,e.push(o),0===e._missing&&e.push(null))}),e._piece+=1}}},n.prototype.destroy=function(e){this._destroy(null,e)},n.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:35,inherits:44,"readable-stream":86}],2:[function(e,t){(function(n){function r(e,t){i.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=0|n/this._torrent.pieceLength,this._endPiece=0|r/this._torrent.pieceLength,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"),d=e("inherits"),a=e("path"),c=e("render-media"),l=e("readable-stream"),p=e("stream-to-blob"),u=e("stream-to-blob-url"),f=e("stream-with-known-length-to-buffer");d(r,i),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+=t===this._endPiece?this._torrent.lastPieceLength:this._torrent.pieceLength;else{var n=this._torrent.pieces[t];e+=n.length-n.missing}return e}}),Object.defineProperty(r.prototype,"progress",{get:function(){return this.length?this.downloaded/this.length:0}}),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 l.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._destroyed||!t._torrent.destroyed&&t._torrent.deselect(i._startPiece,i._endPiece,!0)}),i},r.prototype.getBuffer=function(e){f(this.createReadStream(),this.length,e)},r.prototype.getBlob=function(e){if("undefined"==typeof window)throw new Error("browser-only method");p(this.createReadStream(),this._getMimeType(),e)},r.prototype.getBlobURL=function(e){if("undefined"==typeof window)throw new Error("browser-only method");u(this.createReadStream(),this._getMimeType(),e)},r.prototype.appendTo=function(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");c.append(this,e,t,n)},r.prototype.renderTo=function(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");c.render(this,e,t,n)},r.prototype._getMimeType=function(){return c.mime[a.extname(this.name).toLowerCase()]},r.prototype._destroy=function(){this._destroyed=!0,this._torrent=null}}).call(this,e("_process"))},{"./file-stream":1,_process:69,"end-of-stream":38,events:24,inherits:44,path:66,"readable-stream":86,"render-media":87,"stream-to-blob":104,"stream-to-blob-url":103,"stream-with-known-length-to-buffer":105}],3:[function(e,t,n){function r(e,t){var n=this;n.id=e,n.type=t,s("new %s Peer %s",t,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("unordered-array-remove"),s=e("debug")("webtorrent:peer"),d=e("bittorrent-protocol"),a=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 a(e,t),n.onConnect(),n},r.prototype.onConnect=function(){var e=this;if(!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 d;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){var n=this;if(n.swarm&&!n.destroyed){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 connect to ourselves"));s("Peer %s got handshake %s",n.id,e),clearTimeout(n.handshakeTimeout),n.retries=0;var r=n.addr;!r&&n.conn.remoteAddress&&n.conn.remotePort&&(r=n.conn.remoteAddress+":"+n.conn.remotePort),n.swarm._onWire(n.wire,r),n.swarm&&!n.swarm.destroyed&&(n.sentHandshake||n.handshake())}},r.prototype.handshake=function(){var e=this,t={dht:!e.swarm.private&&!!e.swarm.client.dht};e.wire.handshake(e.swarm.infoHash,e.swarm.client.peerId,t),e.sentHandshake=!0},r.prototype.startConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout),e.connectTimeout=setTimeout(function(){e.destroy(new 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(new Error("handshake timeout"))},25e3),e.handshakeTimeout.unref&&e.handshakeTimeout.unref()},r.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,t.connected=!1,s("destroy %s (error: %s)",t.id,e&&(e.message||e)),clearTimeout(t.connectTimeout),clearTimeout(t.handshakeTimeout);var n=t.swarm,r=t.conn,d=t.wire;t.swarm=null,t.conn=null,t.wire=null,n&&d&&i(n.wires,n.wires.indexOf(d)),r&&(r.on("error",o),r.destroy()),d&&d.destroy(),n&&n.removePeer(t.id)}}},{"./webconn":6,"bittorrent-protocol":14,debug:35,"unordered-array-remove":116}],4:[function(e,t){function n(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 r(){return!0}t.exports=n,n.prototype.getRarestPiece=function(e){e||(e=r);for(var t=[],n=1/0,o=0;o<this._numPieces;++o)if(e(o)){var s=this._pieces[o];s===n?t.push(o):s<n&&(t=[o],n=s)}return 0<t.length?t[0|Math.random()*t.length]:-1},n.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},n.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)},n.prototype.recalculate=function(){var e;for(e=0;e<this._numPieces;++e)this._pieces[e]=0;var 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)},n.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){(function(n,r){function i(e,t,n){_.call(this),this._debugId="unknown infohash",this.client=t,this.announce=n.announce,this.urlList=n.urlList,this.path=n.path,this.skipVerify=!!n.skipVerify,this._store=n.store||k,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=H(),this._uploadSpeed=H(),this._servers=[],this._xsRequests=[],this._fileModtimes=n.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}function a(e,t){return 2+o(t*e.downloadSpeed()/R.BLOCK_LENGTH)}function c(e,t,n){return 1+o(t*e.downloadSpeed()/n)}function l(e){return 0|Math.random()*e}function p(){}t.exports=i;var u=e("addr-to-ip-port"),f=e("bitfield"),h=e("chunk-store-stream/write"),m=e("debug")("webtorrent:torrent"),g=e("torrent-discovery"),_=e("events").EventEmitter,y=e("xtend"),b=e("xtend/mutable"),w=e("fs"),k=e("fs-chunk-store"),x=e("simple-get"),v=e("immediate-chunk-store"),S=e("inherits"),E=e("multistream"),C=e("net"),I=e("os"),B=e("run-parallel"),L=e("run-parallel-limit"),T=e("parse-torrent"),A=e("path"),R=e("torrent-piece"),U=e("pump"),P=e("random-iterate"),O=e("simple-sha1"),H=e("speedometer"),N=e("uniq"),M=e("ut_metadata"),q=e("ut_pex"),j=e("parse-numeric-range"),D=e("./file"),F=e("./peer"),W=e("./rarity-map"),z=e("./server"),V=5e3,G=3*R.BLOCK_LENGTH,K=1,X=2,Y=[1e3,5e3,15e3],Q=e("../package.json").version,$="WebTorrent/"+Q+" (https://webtorrent.io)",J;try{J=A.join(w.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){J=A.join("function"==typeof I.tmpdir?I.tmpdir():"/","webtorrent")}S(i,_),Object.defineProperty(i.prototype,"timeRemaining",{get:function(){return this.done?0:0===this.downloadSpeed?1/0:1e3*((this.length-this.downloaded)/this.downloadSpeed)}}),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 new 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=this,t=0;for(var n in e._peers)e._peers[n].connected&&(t+=1);return t}}),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=this;if(!t.destroyed){var r;try{r=T(e)}catch(e){}r?(t.infoHash=r.infoHash,t._debugId=r.infoHash.toString("hex").substring(0,7),n.nextTick(function(){t.destroyed||t._onParsedTorrent(r)})):T.remote(e,function(e,n){return t.destroyed?void 0:e?t._destroy(e):void t._onParsedTorrent(n)})}},i.prototype._onParsedTorrent=function(e){var t=this;if(!t.destroyed){if(t._processParsedTorrent(e),!t.infoHash)return t._destroy(new Error("Malformed torrent data: No info hash"));(t.path||(t.path=A.join(J,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)),N(e.announce),N(e.urlList),b(this,e),this.magnetURI=T.toMagnetURI(e),this.torrentFile=T.toTorrentFile(e)},i.prototype._onListening=function(){function e(e){i._destroy(e)}function t(e){"string"==typeof e&&i.done||i.addPeer(e)}function n(){i.emit("trackerAnnounce"),0===i.numPeers&&i.emit("noPeers","tracker")}function r(){i.emit("dhtAnnounce"),0===i.numPeers&&i.emit("noPeers","dht")}function o(e){i.emit("warning",e)}var i=this;if(!(i.discovery||i.destroyed)){var d=i.client.tracker;d&&(d=y(i.client.tracker,{getAnnounceOpts:function(){var e={uploaded:i.uploaded,downloaded:i.downloaded,left:s(i.length-i.downloaded,0)};return i.client.tracker.getAnnounceOpts&&b(e,i.client.tracker.getAnnounceOpts()),i._getAnnounceOpts&&b(e,i._getAnnounceOpts()),e}})),i.discovery=new g({infoHash:i.infoHash,announce:i.announce,peerId:i.client.peerId,dht:!i.private&&i.client.dht,tracker:d,port:i.client.torrentPort,userAgent:$}),i.discovery.on("error",e),i.discovery.on("peer",t),i.discovery.on("trackerAnnounce",n),i.discovery.on("dhtAnnounce",r),i.discovery.on("warning",o),i.info?i._onMetadata(i):i.xs&&i._getMetadataFromServer()}},i.prototype._getMetadataFromServer=function(){function e(e,n){function r(r,o,i){if(t.destroyed)return n(null);if(t.metadata)return n(null);if(r)return t.emit("warning",new Error("http error from xs param: "+e)),n(null);if(200!==o.statusCode)return t.emit("warning",new Error("non-200 status code "+o.statusCode+" from xs param: "+e)),n(null);var s;try{s=T(i)}catch(e){}return s?s.infoHash===t.infoHash?void(t._onMetadata(s),n(null)):(t.emit("warning",new Error("got torrent file with incorrect info hash from xs param: "+e)),n(null)):(t.emit("warning",new Error("got invalid torrent file from xs param: "+e)),n(null))}if(0!==e.indexOf("http://")&&0!==e.indexOf("https://"))return t.emit("warning",new Error("skipping non-http xs param: "+e)),n(null);var o;try{o=x.concat({url:e,method:"GET",headers:{"user-agent":$}},r)}catch(r){return t.emit("warning",new Error("skipping invalid url xs param: "+e)),n(null)}t._xsRequests.push(o)}var t=this,n=Array.isArray(t.xs)?t.xs:[t.xs],r=n.map(function(t){return function(n){e(t,n)}});B(r)},i.prototype._onMetadata=function(e){var t=this;if(!(t.metadata||t.destroyed)){t._debug("got metadata"),t._xsRequests.forEach(function(e){e.abort()}),t._xsRequests=[];var n;if(e&&e.infoHash)n=e;else try{n=T(e)}catch(e){return t._destroy(e)}if(t._processParsedTorrent(n),t.metadata=t.torrentFile,t.client.enableWebSeeds&&t.urlList.forEach(function(e){t.addWebSeed(e)}),t._rarityMap=new W(t),t.store=new v(new t._store(t.pieceLength,{torrent:{infoHash:t.infoHash},files:t.files.map(function(e){return{path:A.join(t.path,e.path),length:e.length,offset:e.offset}}),length:t.length})),t.files=t.files.map(function(e){return new D(t,e)}),t.so){var r=j.parse(t.so);t.files.forEach(function(e,n){r.includes(n)&&t.files[n].select(!0)})}else 0!==t.pieces.length&&t.select(0,t.pieces.length-1,!1);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 R(r)}),t._reservations=t.pieces.map(function(){return[]}),t.bitfield=new f(t.pieces.length),t.wires.forEach(function(e){e.ut_metadata&&e.ut_metadata.setMetadata(t.metadata),t._onWireWithMetadata(e)}),t.skipVerify?(t._markAllVerified(),t._onStore()):(t._debug("verifying existing torrent data"),t._fileModtimes&&t._store===k?t.getFileModtimes(function(e,n){if(e)return t._destroy(e);var r=t.files.map(function(e,r){return n[r]===t._fileModtimes[r]}).every(function(e){return e});r?(t._markAllVerified(),t._onStore()):t._verifyPieces()}):t._verifyPieces()),t.emit("metadata")}},i.prototype.getFileModtimes=function(e){var t=this,n=[];L(t.files.map(function(e,r){return function(o){w.stat(A.join(t.path,e.path),function(e,t){return e&&"ENOENT"!==e.code?o(e):void(n[r]=t&&t.mtime.getTime(),o(null))})}}),X,function(r){t._debug("done getting file modtimes"),e(r,n)})},i.prototype._verifyPieces=function(){var e=this;L(e.pieces.map(function(t,r){return function(t){return e.destroyed?t(new Error("torrent is destroyed")):void e.store.get(r,function(o,i){return e.destroyed?t(new Error("torrent is destroyed")):o?n.nextTick(t,null):void O(i,function(n){if(e.destroyed)return t(new 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)})})}}),X,function(t){return t?e._destroy(t):void(e._debug("done verifying"),e._onStore())})},i.prototype._markAllVerified=function(){for(var e=0;e<this.pieces.length;e++)this._markVerified(e)},i.prototype._markVerified=function(e){this.pieces[e]=null,this._reservations[e]=null,this.bitfield.set(e,!0)},i.prototype._onStore=function(){var e=this;e.destroyed||(e._debug("on store"),e.ready=!0,e.emit("ready"),e._checkDone(),e._updateSelections())},i.prototype.destroy=function(e){var t=this;t._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 D&&e._destroy()});var o=n._servers.map(function(e){return function(t){e.destroy(t)}});n.discovery&&o.push(function(e){n.discovery.destroy(e)}),n.store&&o.push(function(e){n.store.close(e)}),B(o,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(t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");if(!n.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");if(n.client.blocked){var e;if("string"==typeof t){var r;try{r=u(t)}catch(r){return n._debug("ignoring peer: invalid %s",t),n.emit("invalidPeer",t),!1}e=r[0]}else"string"==typeof t.remoteAddress&&(e=t.remoteAddress);if(e&&n.client.blocked.contains(e))return n._debug("ignoring peer: blocked %s",t),"string"!=typeof t&&t.destroy(),n.emit("blockedPeer",t),!1}var o=!!n._addPeer(t);return o?n.emit("peer",t):n.emit("invalidPeer",t),o},i.prototype._addPeer=function(e){var t=this;if(t.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!t._validAddr(e))return t._debug("ignoring peer: invalid %s",e),null;var n=e&&e.id||e;if(t._peers[n])return t._debug("ignoring peer: duplicate (%s)",n),"string"!=typeof e&&e.destroy(),null;if(t.paused)return t._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null;t._debug("add peer %s",n);var r;return r="string"==typeof e?F.createTCPOutgoingPeer(e,t):F.createWebRTCPeer(e,t),t._peers[r.id]=r,t._peersLength+=1,"string"==typeof e&&(t._queue.push(r),t._drain()),r},i.prototype.addWebSeed=function(e){if(this.destroyed)throw new Error("torrent is destroyed");if(!/^https?:\/\/.+/.test(e))return this.emit("warning",new Error("ignoring invalid web seed: "+e)),void this.emit("invalidPeer",e);if(this._peers[e])return this.emit("warning",new Error("ignoring duplicate web seed: "+e)),void this.emit("invalidPeer",e);this._debug("add web seed %s",e);var t=F.createWebSeedPeer(e,this);this._peers[t.id]=t,this._peersLength+=1,this.emit("peer",e)},i.prototype._addIncomingPeer=function(e){var t=this;return t.destroyed?e.destroy(new Error("torrent is destroyed")):t.paused?e.destroy(new Error("torrent is paused")):void(this._debug("add incoming peer %s",e.id),t._peers[e.id]=e,t._peersLength+=1)},i.prototype.removePeer=function(e){var t=this,n=e&&e.id||e;e=t._peers[n];e&&(this._debug("removePeer %s",n),delete t._peers[n],t._peersLength-=1,e.destroy(),t._drain())},i.prototype.select=function(e,t,n,r){var o=this;if(o.destroyed)throw new Error("torrent is destroyed");if(0>e||t<e||o.pieces.length<=t)throw new Error("invalid selection ",e,":",t);n=+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||p}),o._selections.sort(function(e,t){return t.priority-e.priority}),o._updateSelections()},i.prototype.deselect=function(e,t,n){var r=this;if(r.destroyed)throw new Error("torrent is destroyed");n=+n||0,r._debug("deselect %s-%s (priority %s)",e,t,n);for(var o=0,d;o<r._selections.length;++o)if(d=r._selections[o],d.from===e&&d.to===t&&d.priority===n){r._selections.splice(o,1);break}r._updateSelections()},i.prototype.critical=function(e,t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");n._debug("critical %s-%s",e,t);for(var r=e;r<=t;++r)n._critical[r]=!0;n._updateSelections()},i.prototype._onWire=function(e,t){var r=this;if(r._debug("got wire %s (%s)",e._debugId,t||"Unknown"),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 o=u(t);e.remoteAddress=o[0],e.remotePort=o[1]}r.client.dht&&r.client.dht.listening&&e.on("port",function(n){return r.destroyed||r.client.dht.destroyed?void 0:e.remoteAddress?0===n||65536<n?r._debug("ignoring invalid PORT from peer"):void(r._debug("port: %s (from %s)",n,t),r.client.dht.addNode({host:e.remoteAddress,port:n})):r._debug("ignoring PORT from peer with no address")}),e.on("timeout",function(){r._debug("wire timeout (%s)",t),e.destroy()}),e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(M(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 q||r.private||(e.use(q()),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(){r.destroyed||e.destroyed||(r._numQueued>2*(r._numConns-r.numPeers)&&e.amInterested?e.destroy():(o=setTimeout(t,V),o.unref&&o.unref()))}function n(){if(e.peerPieces.buffer.length===r.bitfield.buffer.length){for(s=0;s<r.pieces.length;++s)if(!e.peerPieces.get(s))return;e.isSeeder=!0,e.choke()}}var r=this,o=null,s;e.on("bitfield",function(){n(),r._update()}),e.on("have",function(){n(),r._update()}),e.once("interested",function(){e.unchoke()}),e.once("close",function(){clearTimeout(o)}),e.on("choke",function(){clearTimeout(o),o=setTimeout(t,V),o.unref&&o.unref()}),e.on("unchoke",function(){clearTimeout(o),r._update()}),e.on("request",function(t,n,o,i){return o>131072?e.destroy():void(r.pieces[t]||r.store.get(t,{offset:n,length:o},i))}),e.bitfield(r.bitfield),e.uninterested(),e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening&&e.port(r.client.dht.address().port),"webSeed"!==e.type&&(o=setTimeout(t,V),o.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=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+=1;r!==n.offset&&n.notify(),n.to===n.from+n.offset&&e.bitfield.get(n.from+n.offset)&&(e._selections.splice(t,1),t-=1,n.notify(),e._updateInterest())}e._selections.length||e.emit("idle")},i.prototype._updateInterest=function(){var e=this,t=e._amInterested;e._amInterested=!!e._selections.length,e.wires.forEach(function(t){for(var n=!1,r=0;r<e.pieces.length;++r)if(e.pieces[r]&&t.peerPieces.get(r)){n=!0;break}n?t.interested():t.uninterested()});t===e._amInterested||(e._amInterested?e.emit("interested"):e.emit("uninterested"))},i.prototype._update=function(){var e=this;if(!e.destroyed)for(var t=P(e.wires),n;n=t();)e._updateWire(n)},i.prototype._updateWire=function(e){function t(t,n,r,o){return function(s){return s>=t&&s<=n&&!(s in r)&&e.peerPieces.get(s)&&(!o||o(s))}}function n(){if(!e.requests.length)for(var n=d._selections.length;n--;){var r=d._selections[n],o;if("rarest"===d.strategy)for(var s=r.from+r.offset,a=r.to,c={},l=0,p=t(s,a,c);l<a-s+1&&(o=d._rarityMap.getRarestPiece(p),!(0>o));){if(d._request(e,o,!1))return;c[o]=!0,l+=1}else for(o=r.to;o>=r.from+r.offset;--o)if(e.peerPieces.get(o)&&d._request(e,o,!1))return}}function r(){var t=e.downloadSpeed()||1;if(t>G)return function(){return!0};var n=s(1,e.requests.length)*R.BLOCK_LENGTH/t,r=10,o=0;return function(e){if(!r||d.bitfield.get(e))return!0;for(var i=d.pieces[e].missing;o<d.wires.length;o++){var s=d.wires[o],a=s.downloadSpeed();if(!(a<G)&&!(a<=t)&&s.peerPieces.get(e)&&!(0<(i-=a*n)))return r--,!1}return!0}}function o(e){for(var t=e,n=e;n<d._selections.length&&d._selections[n].priority;n++)t=n;var r=d._selections[e];d._selections[e]=d._selections[t],d._selections[t]=r}function i(n){if(e.requests.length>=l)return!0;for(var s=r(),a=0;a<d._selections.length;a++){var c=d._selections[a],p;if("rarest"===d.strategy)for(var u=c.from+c.offset,f=c.to,h={},m=0,g=t(u,f,h,s);m<f-u+1&&(p=d._rarityMap.getRarestPiece(g),!(0>p));){for(;d._request(e,p,d._critical[p]||n););if(e.requests.length<l){h[p]=!0,m++;continue}return c.priority&&o(a),!0}else for(p=c.from+c.offset;p<=c.to;p++)if(e.peerPieces.get(p)&&s(p)){for(;d._request(e,p,d._critical[p]||n););if(!(e.requests.length<l))return c.priority&&o(a),!0}}return!1}var d=this;if(!e.peerChoking){if(!e.downloaded)return n();var c=a(e,.5);if(!(e.requests.length>=c)){var l=a(e,K);i(!1)||i(!0)}}},i.prototype._rechoke=function(){function e(e,t){return e.downloadSpeed===t.downloadSpeed?e.uploadSpeed===t.uploadSpeed?e.wire.amChoking===t.wire.amChoking?e.salt-t.salt:e.wire.amChoking?1:-1:t.uploadSpeed-e.uploadSpeed:t.downloadSpeed-e.downloadSpeed}var t=this;if(t.ready){0<t._rechokeOptimisticTime?t._rechokeOptimisticTime-=1:t._rechokeOptimisticWire=null;var n=[];t.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 s=n.slice(o).filter(function(e){return e.wire.peerInterested}),d=s[l(s.length)];d&&(d.isChoked=!1,t._rechokeOptimisticWire=d.wire,t._rechokeOptimisticTime=2)}n.forEach(function(e){e.wire.amChoking!==e.isChoked&&(e.isChoked?e.wire.choke():e.wire.unchoke())})}},i.prototype._hotswap=function(e,t){var n=this,o=e.downloadSpeed();if(o<R.BLOCK_LENGTH)return!1;if(!n._reservations[t])return!1;var s=n._reservations[t];if(!s)return!1;var r=1/0,d,a;for(a=0;a<s.length;a++){var c=s[a];if(c&&c!==e){var l=c.downloadSpeed();l>=G||2*l>o||l>r||(d=c,r=l)}}if(!d)return!1;for(a=0;a<s.length;a++)s[a]===d&&(s[a]=null);for(a=0;a<d.requests.length;a++){var p=d.requests[a];p.piece===t&&n.pieces[t].cancel(0|p.offset/R.BLOCK_LENGTH)}return n.emit("hotswap",d,e,t),!0},i.prototype._request=function(e,t,o){function s(){n.nextTick(function(){l._update()})}var l=this,p=e.requests.length,u="webSeed"===e.type;if(l.bitfield.get(t))return!1;var f=u?d(c(e,K,l.pieceLength),l.maxWebConns):a(e,K);if(p>=f)return!1;var h=l.pieces[t],m=u?h.reserveRemaining():h.reserve();if(-1===m&&o&&l._hotswap(e,t)&&(m=u?h.reserveRemaining():h.reserve()),-1===m)return!1;var g=l._reservations[t];g||(g=l._reservations[t]=[]);var _=g.indexOf(null);-1===_&&(_=g.length),g[_]=e;var y=h.chunkOffset(m),b=u?h.chunkLengthRemaining(m):h.chunkLength(m);return e.request(t,y,b,function n(r,o){if(!l.destroyed){if(!l.ready)return l.once("ready",function(){n(r,o)});if(g[_]===e&&(g[_]=null),h!==l.pieces[t])return s();if(r)return l._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,y,b,e.remoteAddress+":"+e.remotePort,r.message),u?h.cancelRemaining(m):h.cancel(m),void s();if(l._debug("got piece %s (offset: %s length: %s) from %s",t,y,b,e.remoteAddress+":"+e.remotePort),!h.set(m,o,e))return s();var i=h.flush();O(i,function(e){if(!l.destroyed){if(e===l._hashes[t]){if(!l.pieces[t])return;l._debug("piece verified %s",t),l.pieces[t]=null,l._reservations[t]=null,l.bitfield.set(t,!0),l.store.put(t,i),l.wires.forEach(function(e){e.have(t)}),l._checkDone()&&!l.destroyed&&l.discovery.complete()}else l.pieces[t]=new R(h.length),l.emit("warning",new Error("Piece "+t+" failed verification"));s()}})}}),!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,r;n<e._selections.length;n++){r=e._selections[n];for(var o=r.from;o<=r.to;o++)if(!e.bitfield.get(o)){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 new Error("torrent is destroyed");if(!n.ready)return n.once("ready",function(){n.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=p);var r=new E(e),o=new h(n.store,n.pieceLength);U(r,o,function(e){return e?t(e):void(n._markAllVerified(),n._checkDone(),t(null))})},i.prototype.createServer=function(e){if("function"!=typeof z)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");var t=new z(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+"] 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t;try{t=u(e)}catch(t){return!1}var n=t[0],r=t[1];return 0<r&&65535>r&&("127.0.0.1"!==n||r!==this.client.torrentPort)}}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../package.json":127,"./file":2,"./peer":3,"./rarity-map":4,"./server":21,_process:69,"addr-to-ip-port":7,bitfield:13,"chunk-store-stream/write":31,debug:35,events:24,fs:22,"fs-chunk-store":53,"immediate-chunk-store":43,inherits:44,multistream:61,net:21,os:21,"parse-numeric-range":64,"parse-torrent":65,path:66,pump:70,"random-iterate":75,"run-parallel":90,"run-parallel-limit":89,"simple-get":94,"simple-sha1":96,speedometer:98,"torrent-discovery":111,"torrent-piece":112,uniq:115,ut_metadata:119,ut_pex:21,xtend:124,"xtend/mutable":125}],6:[function(e,t){const n=e("bitfield"),r=e("safe-buffer").Buffer,o=e("debug")("webtorrent:webconn"),i=e("simple-get"),a=e("simple-sha1"),c=e("bittorrent-protocol"),l=e("../package.json").version;t.exports=class extends c{constructor(e,t){super(),this.url=e,this.webPeerId=a.sync(e),this._torrent=t,this._init()}_init(){this.setKeepAlive(!0),this.once("handshake",e=>{if(this.destroyed)return;this.handshake(e,this.webPeerId);const t=this._torrent.pieces.length,r=new n(t);for(let n=0;n<=t;n++)r.set(n,!0);this.bitfield(r)}),this.once("interested",()=>{o("interested"),this.unchoke()}),this.on("uninterested",()=>{o("uninterested")}),this.on("choke",()=>{o("choke")}),this.on("unchoke",()=>{o("unchoke")}),this.on("bitfield",()=>{o("bitfield")}),this.on("request",(e,t,n,r)=>{o("request pieceIndex=%d offset=%d length=%d",e,t,n),this.httpRequest(e,t,n,r)})}httpRequest(e,t,n,a){const c=e*this._torrent.pieceLength,p=c+t,u=p+n-1,f=this._torrent.files;let h;if(1>=f.length)h=[{url:this.url,start:p,end:u}];else{const e=f.filter(e=>e.offset<=u&&e.offset+e.length>p);if(1>e.length)return a(new Error("Could not find file corresponnding to web seed range request"));h=e.map(e=>{const t=e.offset+e.length-1,n=this.url+("/"===this.url[this.url.length-1]?"":"/")+e.path;return{url:n,fileOffsetInRange:s(e.offset-p,0),start:s(p-e.offset,0),end:d(t,u-e.offset)}})}let m=0,g=!1,_;1<h.length&&(_=r.alloc(n)),h.forEach(r=>{function s(e,t){return 200>e.statusCode||300<=e.statusCode?(g=!0,a(new Error(`Unexpected HTTP status code ${e.statusCode}`))):void(o("Got data of length %d",t.length),1===h.length?a(null,t):(t.copy(_,r.fileOffsetInRange),++m===h.length&&a(null,_)))}const d=r.url,c=r.start,p=r.end;o("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",d,e,t,n,c,p);const u={url:d,method:"GET",headers:{"user-agent":`WebTorrent/${l} (https://webtorrent.io)`,range:`bytes=${c}-${p}`}};i.concat(u,(e,t,n)=>g?void 0:e?"undefined"==typeof window||d.startsWith(`${window.location.origin}/`)?(g=!0,a(e)):i.head(d,(t,n)=>g?void 0:t?(g=!0,a(t)):200>n.statusCode||300<=n.statusCode?(g=!0,a(new Error(`Unexpected HTTP status code 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n._encode(i,e),s=r.concat(i),n.bytes=s.length,r.isBuffer(t)?(s.copy(t,o),t):s}var r=e("safe-buffer").Buffer;n.bytes=-1,n._floatConversionDetected=!1,n.getType=function(e){return r.isBuffer(e)?"buffer":Array.isArray(e)?"array":ArrayBuffer.isView(e)?"arraybufferview":e instanceof Number?"number":e instanceof Boolean?"boolean":e instanceof ArrayBuffer?"arraybuffer":typeof e},n._encode=function(e,t){if(null!=t)switch(n.getType(t)){case"buffer":n.buffer(e,t);break;case"object":n.dict(e,t);break;case"array":n.list(e,t);break;case"string":n.string(e,t);break;case"number":n.number(e,t);break;case"boolean":n.number(e,t);break;case"arraybufferview":n.buffer(e,r.from(t.buffer,t.byteOffset,t.byteLength));break;case"arraybuffer":n.buffer(e,r.from(t));}};var o=r.from("e"),i=r.from("d"),s=r.from("l");n.buffer=function(e,t){e.push(new r(t.length+":"),t)},n.string=function(e,t){e.push(r.from(r.byteLength(t)+":"+t))},n.number=function(e,t){var o=(t/2147483648<<0)*2147483648+(t%2147483648<<0);e.push(r.from("i"+o+"e")),o===t||n._floatConversionDetected||(n._floatConversionDetected=!0,console.warn("WARNING: Possible data corruption detected with value \""+t+"\":","Bencoding only defines support for integers, value was converted to \""+o+"\""),console.trace())},n.dict=function(e,t){e.push(i);for(var r=0,s=Object.keys(t).sort(),d=s.length,a;r<d;r++)a=s[r],null==t[a]||(n.string(e,a),n._encode(e,t[a]));e.push(o)},n.list=function(e,t){var r=0,d=t.length;for(e.push(s);r<d;r++)null!=t[r]&&n._encode(e,t[r]);e.push(o)},t.exports=n},{"safe-buffer":92}],11:[function(e,t){var n=t.exports;n.encode=e("./encode"),n.decode=e("./decode"),n.byteLength=n.encodingLength=function(e){return n.encode(e).length}},{"./decode":9,"./encode":10}],12:[function(e,t){t.exports=function(e,t,n,r,o){var i,s;if(void 0===r)r=0;else if(r|=0,0>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>=e.length)throw 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Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,r);const s=n.from(_);s[5]|=16,r&&r.dht&&(s[7]|=1),this._push(n.concat([p,s,o,i])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const e=d(this.extendedHandshake);for(const t in e.m={},this.extendedMapping){const n=this.extendedMapping[t];e.m[n]=+t}this.extended(0,o.encode(e)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking){for(this.amChoking=!0,this._debug("choke");this.peerRequests.length;)this.peerRequests.pop();this._push(f)}}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(h))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(m))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(g))}have(e){this._debug("have %d",e),this._message(4,[e],null)}bitfield(e){this._debug("bitfield"),n.isBuffer(e)||(e=e.buffer),this._message(5,[],e)}request(e,t,n,r){return r||(r=()=>{}),this._finished?r(new Error("wire is closed")):this.peerChoking?r(new Error("peer is choking")):void(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new b(e,t,n,r)),this._updateTimeout(),this._message(6,[e,t,n],null))}piece(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)}cancel(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(this._pull(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)}port(e){this._debug("port %d",e);const t=n.from(y);t.writeUInt16BE(e,5),this._push(t)}extended(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"==typeof e){const r=n.from([e]),i=n.isBuffer(t)?t:o.encode(t);this._message(20,[],n.concat([r,i]))}else throw new Error(`Unrecognized extension: ${e}`)}_read(){}_message(e,t,r){const o=r?r.length:0,s=n.allocUnsafe(5+4*t.length);s.writeUInt32BE(s.length+o-4,0),s[4]=e;for(let n=0;n<t.length;n++)s.writeUInt32BE(t[n],5+4*n);this._push(s),r&&this._push(r)}_push(e){return this._finished?void 0:this.push(e)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onHandshake(e,t,n){const 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);for(var i in this._ext)this._ext[i].onHandshake(r,o,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_onChoke(){for(this.peerChoking=!0,this._debug("got choke"),this.emit("choke");this.requests.length;)this._callback(this.requests.pop(),new Error("peer is choking"),null)}_onUnchoke(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")}_onInterested(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")}_onUninterested(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")}_onHave(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))}_onBitField(e){this.peerPieces=new i(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(e,t,n){if(!this.amChoking){this._debug("got request index=%d offset=%d length=%d",e,t,n);const o=(o,i)=>r===this._pull(this.peerRequests,e,t,n)?o?this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,o.message):void this.piece(e,t,i):void 0;var r=new b(e,t,n,o);this.peerRequests.push(r),this.emit("request",e,t,n,o)}}_onPiece(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(this._pull(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)}_onCancel(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),this._pull(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)}_onPort(e){this._debug("got port %d",e),this.emit("port",e)}_onExtended(e,t){if(0===e){let e;try{e=o.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!e)return;this.peerExtendedHandshake=e;if("object"==typeof e.m)for(var n in e.m)this.peerExtendedMapping[n]=+e.m[n].toString();for(n in this._ext)this.peerExtendedMapping[n]&&this._ext[n].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)}_onTimeout(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")}_write(e,t,r){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){const e=1===this._buffer.length?this._buffer[0]:n.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[e.slice(this._parserSize)]:[],this._parser(e.slice(0,this._parserSize))}r(null)}_callback(e,t,n){e&&(this._clearTimeout(),!this.peerChoking&&!this._finished&&this._updateTimeout(),e.callback(t,n))}_clearTimeout(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}_updateTimeout(){this._timeoutMs&&this.requests.length&&!this._timeout&&(this._timeout=setTimeout(()=>this._onTimeout(),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref())}_parse(e,t){this._parserSize=e,this._parser=t}_onMessageLength(e){const t=e.readUInt32BE(0);0<t?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(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);}}_parseHandshake(){this._parse(1,e=>{const t=e.readUInt8(0);this._parse(t+48,e=>{const n=e.slice(0,t);return"BitTorrent protocol"===n.toString()?void(e=e.slice(t),this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(1&e[7]),extended:!!(16&e[5])}),this._parse(4,this._onMessageLength)):(this._debug("Error: wire not speaking BitTorrent protocol (%s)",n.toString()),void this.end())})})}_onFinish(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,()=>{});this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)}_debug(...e){e[0]=`[${this._debugId}] ${e[0]}`,s(...e)}_pull(e,t,n,o){for(let s=0;s<e.length;s++){const i=e[s];if(i.piece===t&&i.offset===n&&i.length===o)return r(e,s),i}return null}}t.exports=w}).call(this,e("buffer").Buffer)},{bencode:11,bitfield:13,buffer:23,debug:35,randombytes:76,"readable-stream":86,speedometer:98,"unordered-array-remove":116,xtend:124}],15:[function(e,t){(function(n){function r(e){function t(e){n.nextTick(function(){d.emit("warning",e)})}var d=this;if(!(d instanceof r))return new r(e);if(s.call(d),e||(e={}),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");if(!n.browser&&!e.port)throw new Error("Option `port` is required");d.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),d._peerIdBuffer=o.from(d.peerId,"hex"),d._peerIdBinary=d._peerIdBuffer.toString("binary"),d.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():e.infoHash.toString("hex"),d._infoHashBuffer=o.from(d.infoHash,"hex"),d._infoHashBinary=d._infoHashBuffer.toString("binary"),i("new client %s",d.infoHash),d.destroyed=!1,d._port=e.port,d._getAnnounceOpts=e.getAnnounceOpts,d._rtcConfig=e.rtcConfig,d._userAgent=e.userAgent,d._wrtc="function"==typeof e.wrtc?e.wrtc():e.wrtc;var a="string"==typeof e.announce?[e.announce]:null==e.announce?[]:e.announce;a=a.map(function(e){return e=e.toString(),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e}),a=u(a);var c=!1!==d._wrtc&&(!!d._wrtc||p.WEBRTC_SUPPORT);d._trackers=a.map(function(e){var n=f.parse(e).protocol;return("http:"===n||"https:"===n)&&"function"==typeof m?new m(d,e):"udp:"===n&&"function"==typeof g?new g(d,e):("ws:"===n||"wss:"===n)&&c?"ws:"===n&&"undefined"!=typeof window&&"https:"===window.location.protocol?(t(new Error("Unsupported tracker protocol: "+e)),null):new _(d,e):(t(new Error("Unsupported tracker protocol: "+e)),null)}).filter(Boolean)}t.exports=r;var o=e("safe-buffer").Buffer,i=e("debug")("bittorrent-tracker:client"),s=e("events").EventEmitter,d=e("xtend"),a=e("inherits"),c=e("once"),l=e("run-parallel"),p=e("simple-peer"),u=e("uniq"),f=e("url"),h=e("./lib/common"),m=e("./lib/client/http-tracker"),g=e("./lib/client/udp-tracker"),_=e("./lib/client/websocket-tracker");a(r,s),r.scrape=function(e,t){if(t=c(t),!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");var n=d(e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:o.from("01234567890123456789"),port:6881}),i=new r(n);i.once("error",t),i.once("warning",t);var s=Array.isArray(e.infoHash)?e.infoHash.length:1,a={};return i.on("scrape",function(e){if(s-=1,a[e.infoHash]=e,0===s){i.destroy();var n=Object.keys(a);1===n.length?t(null,a[n[0]]):t(null,a)}}),e.infoHash=Array.isArray(e.infoHash)?e.infoHash.map(function(e){return o.from(e,"hex")}):o.from(e.infoHash,"hex"),i.scrape({infoHash:e.infoHash}),i},r.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()})},r.prototype.stop=function(e){var t=this;i("send `stop`"),e=t._defaultAnnounceOpts(e),e.event="stopped",t._announce(e)},r.prototype.complete=function(e){var t=this;i("send `complete`"),e||(e={}),e=t._defaultAnnounceOpts(e),e.event="completed",t._announce(e)},r.prototype.update=function(e){var t=this;i("send `update`"),e=t._defaultAnnounceOpts(e),e.event&&delete e.event,t._announce(e)},r.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})},r.prototype.scrape=function(e){var t=this;i("send `scrape`"),e||(e={}),t._trackers.forEach(function(t){t.scrape(e)})},r.prototype.setInterval=function(e){var t=this;i("setInterval %d",e),t._trackers.forEach(function(t){t.setInterval(e)})},r.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)}});l(n,e),t._trackers=[],t._getAnnounceOpts=null}},r.prototype._defaultAnnounceOpts=function(e){var t=this;return e||(e={}),null==e.numwant&&(e.numwant=h.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),t._getAnnounceOpts&&(e=d(e,t._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:69,debug:35,events:24,inherits:44,once:63,"run-parallel":90,"safe-buffer":92,"simple-peer":95,uniq:115,url:117,xtend:124}],16:[function(e,t){function n(e,t){var n=this;r.call(n),n.client=e,n.announceUrl=t,n.interval=null,n.destroyed=!1}t.exports=n;var r=e("events").EventEmitter,o=e("inherits");o(n,r),n.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:24,inherits:44}],17:[function(e,t){function o(e,t){var n=this;h.call(n,e,t),s("new websocket tracker %s",t),n.peers={},n.socket=null,n.reconnecting=!1,n.retries=0,n.reconnectTimer=null,n.expectingResponse=!1,n._openSocket()}function i(){}t.exports=o;var s=e("debug")("bittorrent-tracker:websocket-tracker"),a=e("xtend"),c=e("inherits"),l=e("simple-peer"),p=e("randombytes"),u=e("simple-websocket"),f=e("../common"),h=e("./tracker"),m={};o._socketPool=m;c(o,h),o.prototype.DEFAULT_ANNOUNCE_INTERVAL=30000,o.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=a(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=d(e.numwant,10);t._generateOffers(r,function(e){n.numwant=r,n.offers=e,t._send(n)})}}},o.prototype.scrape=function(e){var t=this;if(!(t.destroyed||t.reconnecting)){if(!t.socket.connected)return void t.socket.once("connect",function(){t.scrape(e)});var n=Array.isArray(e.infoHash)&&0<e.infoHash.length?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})}},o.prototype.destroy=function(e){function t(){d&&(clearTimeout(d),d=null),s.removeListener("data",t),s.destroy(),s=null}var n=this;if(e||(e=i),n.destroyed)return e(null);for(var r in n.destroyed=!0,clearInterval(n.interval),clearTimeout(n.reconnectTimer),n.peers){var o=n.peers[r];clearTimeout(o.trackerTimeout),o.destroy()}if(n.peers=null,n.socket&&(n.socket.removeListener("connect",n._onSocketConnectBound),n.socket.removeListener("data",n._onSocketDataBound),n.socket.removeListener("close",n._onSocketCloseBound),n.socket.removeListener("error",n._onSocketErrorBound),n.socket=null),n._onSocketConnectBound=null,n._onSocketErrorBound=null,n._onSocketDataBound=null,n._onSocketCloseBound=null,m[n.announceUrl]&&(m[n.announceUrl].consumers-=1),0<m[n.announceUrl].consumers)return e();var s=m[n.announceUrl];if(delete m[n.announceUrl],s.on("error",i),s.once("close",e),!n.expectingResponse)return t();var d=setTimeout(t,f.DESTROY_TIMEOUT);s.once("data",t)},o.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=m[e.announceUrl],e.socket?m[e.announceUrl].consumers+=1:(e.socket=m[e.announceUrl]=new u(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)},o.prototype._onSocketConnect=function(){var e=this;e.destroyed||e.reconnecting&&(e.reconnecting=!1,e.retries=0,e.announce(e.client._defaultAnnounceOpts()))},o.prototype._onSocketData=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!1;try{e=JSON.parse(e)}catch(e){return void t.client.emit("warning",new Error("Invalid tracker response"))}"announce"===e.action?t._onAnnounceResponse(e):"scrape"===e.action?t._onScrapeResponse(e):t._onSocketError(new Error("invalid action in WS response: "+e.action))}},o.prototype._onAnnounceResponse=function(e){var t=this;if(e.info_hash!==t.client._infoHashBinary)return void s("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,f.binaryToHex(e.info_hash),t.client.infoHash);if(!(e.peer_id&&e.peer_id===t.client._peerIdBinary)){s("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 i=e["tracker id"];if(i&&(t._trackerId=i),null!=e.complete){var d=Object.assign({},e,{announce:t.announceUrl,infoHash:f.binaryToHex(e.info_hash)});t.client.emit("update",d)}var a;if(e.offer&&e.peer_id&&(s("creating peer (from remote offer)"),a=t._createPeer(),a.id=f.binaryToHex(e.peer_id),a.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)}),a.signal(e.offer),t.client.emit("peer",a)),e.answer&&e.peer_id){var c=f.binaryToHex(e.offer_id);a=t.peers[c],a?(a.id=f.binaryToHex(e.peer_id),a.signal(e.answer),t.client.emit("peer",a),clearTimeout(a.trackerTimeout),a.trackerTimeout=null,delete t.peers[c]):s("got unexpected answer: "+JSON.stringify(e.answer))}}},o.prototype._onScrapeResponse=function(e){var t=this;e=e.files||{};var n=Object.keys(e);return 0===n.length?void t.client.emit("warning",new Error("invalid scrape response")):void n.forEach(function(n){var r=Object.assign(e[n],{announce:t.announceUrl,infoHash:f.binaryToHex(n)});t.client.emit("scrape",r)})},o.prototype._onSocketClose=function(){var e=this;e.destroyed||(e.destroy(),e._startReconnectTimer())},o.prototype._onSocketError=function(e){var t=this;t.destroyed||(t.destroy(),t.client.emit("warning",e),t._startReconnectTimer())},o.prototype._startReconnectTimer=function(){var e=this,t=r(Math.random()*30000)+d(n(2,e.retries)*15000,1800000);e.reconnecting=!0,clearTimeout(e.reconnectTimer),e.reconnectTimer=setTimeout(function(){e.retries++,e._openSocket()},t),e.reconnectTimer.unref&&e.reconnectTimer.unref(),s("reconnecting socket in %s ms",t)},o.prototype._send=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!0;var n=JSON.stringify(e);s("send %s",n),t.socket.send(n)}},o.prototype._generateOffers=function(e,t){function n(){var e=p(20).toString("hex");s("creating peer (from _generateOffers)");var t=o.peers[e]=o._createPeer({initiator:!0});t.once("signal",function(t){d.push({offer:t,offer_id:f.hexToBinary(e)}),r()}),t.trackerTimeout=setTimeout(function(){s("tracker timeout: destroying peer"),t.trackerTimeout=null,delete o.peers[e],t.destroy()},50000),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function r(){d.length===e&&(s("generated %s offers",e),t(d))}var o=this,d=[];s("generating %s offers",e);for(var a=0;a<e;++a)n();r()},o.prototype._createPeer=function(e){function t(e){r.client.emit("warning",new Error("Connection error: "+e.message)),o.destroy()}function n(){o.removeListener("error",t),o.removeListener("connect",n)}var r=this;e=Object.assign({trickle:!1,config:r.client._rtcConfig,wrtc:r.client._wrtc},e);var o=new l(e);return o.once("error",t),o.once("connect",n),o}},{"../common":18,"./tracker":16,debug:35,inherits:44,randombytes:76,"simple-peer":95,"simple-websocket":97,xtend:124}],18:[function(e,t,n){var r=e("safe-buffer").Buffer,o=e("xtend/mutable");n.DEFAULT_ANNOUNCE_PEERS=50,n.MAX_ANNOUNCE_PEERS=82,n.binaryToHex=function(e){return"string"!=typeof e&&(e+=""),r.from(e,"binary").toString("hex")},n.hexToBinary=function(e){return"string"!=typeof e&&(e+=""),r.from(e,"hex").toString("binary")};var i=e("./common-node");o(n,i)},{"./common-node":21,"safe-buffer":92,"xtend/mutable":125}],19:[function(e,t){(function(n){t.exports=function(e,t){function r(i){o.removeEventListener("loadend",r,!1),i.error?t(i.error):t(null,n.from(o.result))}if("undefined"==typeof Blob||!(e instanceof Blob))throw new Error("first argument must be a Blob");if("function"!=typeof t)throw new Error("second argument must be a function");var o=new FileReader;o.addEventListener("loadend",r,!1),o.readAsArrayBuffer(e)}}).call(this,e("buffer").Buffer)},{buffer:23}],20:[function(e,t){(function(n){function r(e,t){return this instanceof r?void(i.call(this),!t&&(t={}),"object"==typeof e&&(t=e,e=t.size),this.size=e||512,this._zeroPadding=!t.nopad&&s(t.zeroPadding,!0),this._buffered=[],this._bufferedBytes=0):new r(e,t)}var 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n.search=e.search,n.query=e.query,d.isNull(n.pathname)&&d.isNull(n.search)||(n.path=(n.pathname?n.pathname:"")+(n.search?n.search:"")),n.href=n.format(),n}if(!C.length)return n.pathname=null,n.path=n.search?"/"+n.search:null,n.href=n.format(),n;for(var L=C.slice(-1)[0],T=(n.host||e.host||1<C.length)&&("."===L||".."===L)||""===L,A=0,R=C.length;0<=R;R--)L=C[R],"."===L?C.splice(R,1):".."===L?(C.splice(R,1),A++):A&&(C.splice(R,1),A--);if(!S&&!E)for(;A--;A)C.unshift("..");S&&""!==C[0]&&(!C[0]||"/"!==C[0].charAt(0))&&C.unshift(""),T&&"/"!==C.join("/").substr(-1)&&C.push("");var U=""===C[0]||C[0]&&"/"===C[0].charAt(0);if(I){n.hostname=n.host=U?"":C.length?C.shift():"";var B=!!(n.host&&0<n.host.indexOf("@"))&&n.host.split("@");B&&(n.auth=B.shift(),n.host=n.hostname=B.shift())}return S=S||n.host&&C.length,S&&!U&&C.unshift(""),C.length?n.pathname=C.join("/"):(n.pathname=null,n.path=null),d.isNull(n.pathname)&&d.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=i.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":118,punycode:71,querystring:74}],118:[function(e,t){"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}}},{}],119:[function(e,t){var n=e("bencode"),r=e("bitfield"),i=e("safe-buffer").Buffer,s=e("debug")("ut_metadata"),d=e("events").EventEmitter,a=e("inherits"),c=e("simple-sha1"),l=1e3,p=16384;t.exports=function(e){function 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0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,r,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=n.decode(e).info;t&&(e=n.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",n.encode({info:n.decode(this.metadata)})),!0)},t.prototype._send=function(e,t){var r=n.encode(e);i.isBuffer(t)&&(r=i.concat([r,t])),this._wire.extended("ut_metadata",r)},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*p,n=t+p;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){t.length>p||(t.copy(this.metadata,e*p),this._bitfield.set(e),this._checkDone())},t.prototype._onReject=function(e){0<this._remainingRejects&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("warning",new Error("Peer sent \"reject\" too much"))},t.prototype._requestPieces=function(){this.metadata=i.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}if(e){var n=this.setMetadata(this.metadata);n||this._failedMetadata()}},t.prototype._failedMetadata=function(){this._bitfield=new r(0,{grow:l}),this._remainingRejects-=this._numPieces,0<this._remainingRejects?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))},t}},{bencode:11,bitfield:13,debug:35,events:24,inherits:44,"safe-buffer":92,"simple-sha1":96}],120:[function(e,t){(function(e){function n(t){try{if(!e.localStorage)return!1}catch(e){return!1}var n=e.localStorage[t];return null!=n&&"true"===(n+"").toLowerCase()}t.exports=function(e,t){function r(){if(!o){if(n("throwDeprecation"))throw new Error(t);else n("traceDeprecation")?console.trace(t):console.warn(t);o=!0}return e.apply(this,arguments)}if(n("noDeprecation"))return e;var o=!1;return r}}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],121:[function(e,t){(function(n){function o(e){var t=this;a.call(t),t._tracks=[],t._fragmentSequence=1,t._file=e,t._decoder=null,t._findMoov(0)}function s(e,t){var n=this;n._entries=e,n._countName=t||"count",n._index=0,n._offset=0,n.value=n._entries[0]}function d(){return{version:0,flags:0,entries:[]}}var i=e("binary-search"),a=e("events").EventEmitter,c=e("inherits"),l=e("mp4-stream"),p=e("mp4-box-encoding"),u=e("range-slice-stream");t.exports=o,c(o,a),o.prototype._findMoov=function(e){var t=this;t._decoder&&t._decoder.destroy(),t._decoder=l.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))})},s.prototype.inc=function(){var e=this;e._offset++,e._offset>=e._entries[e._index][e._countName]&&(e._index++,e._offset=0),e.value=e._entries[e._index]},o.prototype._processMoov=function(e){var t=this,r=e.traks;t._tracks=[],t._hasVideo=!1,t._hasAudio=!1;for(var o=0;o<r.length;o++){var a=r[o],c=a.mdia.minf.stbl,l=c.stsd.entries[0],u=a.mdia.hdlr.handlerType,f,h;if("vide"===u&&"avc1"===l.type){if(t._hasVideo)continue;t._hasVideo=!0,f="avc1",l.avcC&&(f+="."+l.avcC.mimeCodec),h="video/mp4; codecs=\""+f+"\""}else if("soun"===u&&"mp4a"===l.type){if(t._hasAudio)continue;t._hasAudio=!0,f="mp4a",l.esds&&l.esds.mimeCodec&&(f+="."+l.esds.mimeCodec),h="audio/mp4; codecs=\""+f+"\""}else continue;var m=[],g=0,_=0,y=0,b=0,w=0,k=0,x=new s(c.stts.entries),v=null;c.ctts&&(v=new s(c.ctts.entries));for(var S=0;;){var E=c.stsc.entries[w],C=c.stsz.entries[g],I=x.value.duration,B=v?v.value.compositionOffset:0,L=!0;c.stss&&(L=c.stss.entries[S]===g+1);var T=c.stco||c.co64;if(m.push({size:C,duration:I,dts:k,presentationOffset:B,sync:L,offset:b+T.entries[y]}),g++,g>=c.stsz.entries.length)break;if(_++,b+=C,_>=E.samplesPerChunk){_=0,b=0,y++;var A=c.stsc.entries[w+1];A&&y+1>=A.firstChunk&&w++}k+=I,x.inc(),v&&v.inc(),L&&S++}a.mdia.mdhd.duration=0,a.tkhd.duration=0;var R=E.sampleDescriptionId,U={type:"moov",mvhd:e.mvhd,traks:[{tkhd:a.tkhd,mdia:{mdhd:a.mdia.mdhd,hdlr:a.mdia.hdlr,elng:a.mdia.elng,minf:{vmhd:a.mdia.minf.vmhd,smhd:a.mdia.minf.smhd,dinf:a.mdia.minf.dinf,stbl:{stsd:c.stsd,stts:d(),ctts:d(),stsc:d(),stsz:d(),stco:d(),stss:d()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:a.tkhd.trackId,defaultSampleDescriptionIndex:R,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:a.tkhd.trackId,timeScale:a.mdia.mdhd.timeScale,samples:m,currSample:null,currTime:null,moov:U,mime:h})}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 P=p.encode(t._ftyp),O=t._tracks.map(function(e){var t=p.encode(e.moov);return{mime:e.mime,init:n.concat([P,t])}});t.emit("ready",O)},o.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 d=r.inStream.slice(e.ranges);d.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=l.encode(),d=t._generateFragment(o,e);return d?void((-1===n||d.ranges[0].start<n)&&(n=d.ranges[0].start),i(d)):s.finalize()}),0<=n){var r=t._fileStream=t._file.createReadStream({start:n});t._tracks.forEach(function(e){e.inStream=new u(n,{highWaterMark:1e7}),r.pipe(e.inStream)})}return t._tracks.map(function(e){return e.outStream})},o.prototype._findSampleBefore=function(e,t){var n=this,o=n._tracks[e],s=r(o.timeScale*t),d=i(o.samples,s,function(e,n){var t=e.dts+e.presentationOffset;return t-n});for(-1===d?d=0:0>d&&(d=-d-2);!o.samples[d].sync;)d--;return d};o.prototype._generateFragment=function(e,t){var n=this,r=n._tracks[e],o;if(o=void 0===t?r.currSample:n._findSampleBefore(e,t),o>=r.samples.length)return null;for(var i=r.samples[o].dts,s=0,d=[],a=o,c;a<r.samples.length&&(c=r.samples[a],!(c.sync&&c.dts-i>=1*r.timeScale));a++){s+=c.size;var l=d.length-1;0>l||d[l].end!==c.offset?d.push({start:c.offset,end:c.offset+c.size}):d[l].end+=c.size}return r.currSample=a,{moof:n._generateMoof(e,o,a),ranges:d,length:s}},o.prototype._generateMoof=function(e,t,n){for(var r=this,o=r._tracks[e],i=[],s=0,d=t,a;d<n;d++)a=o.samples[d],0>a.presentationOffset&&(s=1),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,version:s}}]};return c.trafs[0].trun.dataOffset+=p.encodingLength(c),c}}).call(this,e("buffer").Buffer)},{"binary-search":12,buffer:23,events:24,inherits:44,"mp4-box-encoding":56,"mp4-stream":59,"range-slice-stream":77}],122:[function(e,t){function n(e,t,o){var i=this;return this instanceof n?void(o=o||{},i.detailedError=null,i._elem=t,i._elemWrapper=new r(t),i._waitingFired=!1,i._trackMeta=null,i._file=e,i._tracks=null,"none"!==i._elem.preload&&i._createMuxer(),i._onError=function(){i.detailedError=i._elemWrapper.detailedError,i.destroy()},i._onWaiting=function(){i._waitingFired=!0,i._muxer?i._tracks&&i._pump():i._createMuxer()},i._elem.addEventListener("waiting",i._onWaiting),i._elem.addEventListener("error",i._onError)):new n(e,t,o)}var r=e("mediasource"),o=e("pump"),i=e("./mp4-remuxer");t.exports=n,n.prototype._createMuxer=function(){var e=this;e._muxer=new i(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)})},n.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){return t?void e._elemWrapper.error(t):void i()}})},n.prototype.destroy=function(){var e=this;e.destroyed||(e.destroyed=!0,e._elem.removeEventListener("waiting",e._onWaiting),e._elem.removeEventListener("error",e._onError),e._tracks&&e._tracks.forEach(function(e){e.muxed&&e.muxed.destroy()}),e._elem.src="")}},{"./mp4-remuxer":121,mediasource:52,pump:70}],123:[function(e,t){function n(e,t){function r(){for(var t=Array(arguments.length),n=0;n<t.length;n++)t[n]=arguments[n];var r=e.apply(this,t),o=t[t.length-1];return"function"==typeof r&&r!==o&&Object.keys(o).forEach(function(e){r[e]=o[e]}),r}if(e&&t)return n(e)(t);if("function"!=typeof e)throw new TypeError("need wrapper function");return Object.keys(e).forEach(function(t){r[t]=e[t]}),r}t.exports=n},{}],124:[function(e,t){t.exports=function(){for(var e={},t=0,r;t<arguments.length;t++)for(var o in r=arguments[t],r)n.call(r,o)&&(e[o]=r[o]);return e};var n=Object.prototype.hasOwnProperty},{}],125:[function(e,t){t.exports=function(e){for(var t=1,r;t<arguments.length;t++)for(var o in r=arguments[t],r)n.call(r,o)&&(e[o]=r[o]);return e};var n=Object.prototype.hasOwnProperty},{}],126:[function(e,t){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<t?Array(t+(/\./.test(n)?2:1)).join(r)+n:n+"")}},{}],127:[function(e,t){t.exports={version:"0.102.1"}},{}],128:[function(e,t){(function(n,r){function o(e){function t(){i.destroyed||(i.ready=!0,i.emit("ready"))}var i=this;return i instanceof o?void(u.call(i),!e&&(e={}),i.peerId="string"==typeof e.peerId?e.peerId:d.isBuffer(e.peerId)?e.peerId.toString("hex"):d.from(I+w(9).toString("base64")).toString("hex"),i.peerIdBuffer=d.from(i.peerId,"hex"),i.nodeId="string"==typeof e.nodeId?e.nodeId:d.isBuffer(e.nodeId)?e.nodeId.toString("hex"):w(20).toString("hex"),i.nodeIdBuffer=d.from(i.nodeId,"hex"),i._debugId=i.peerId.toString("hex").substring(0,7),i.destroyed=!1,i.listening=!1,i.torrentPort=e.torrentPort||0,i.dhtPort=e.dhtPort||0,i.tracker=e.tracker===void 0?{}:e.tracker,i.torrents=[],i.maxConns=+e.maxConns||55,i._debug("new webtorrent (peerId %s, nodeId %s, port %s)",i.peerId,i.nodeId,i.torrentPort),i.tracker&&("object"!=typeof i.tracker&&(i.tracker={}),e.rtcConfig&&(console.warn("WebTorrent: opts.rtcConfig is deprecated. Use opts.tracker.rtcConfig instead"),i.tracker.rtcConfig=e.rtcConfig),e.wrtc&&(console.warn("WebTorrent: opts.wrtc is deprecated. Use opts.tracker.wrtc instead"),i.tracker.wrtc=e.wrtc),r.WRTC&&!i.tracker.wrtc&&(i.tracker.wrtc=r.WRTC)),"function"==typeof v?i._tcpPool=new v(i):n.nextTick(function(){i._onListening()}),i._downloadSpeed=k(),i._uploadSpeed=k(),!1!==e.dht&&"function"==typeof p?(i.dht=new p(f({nodeId:i.nodeId},e.dht)),i.dht.once("error",function(e){i._destroy(e)}),i.dht.once("listening",function(){var e=i.dht.address();e&&(i.dhtPort=e.port)}),i.dht.setMaxListeners(0),i.dht.listen(i.dhtPort)):i.dht=!1,i.enableWebSeeds=!1!==e.webSeeds,"function"==typeof m&&null!=e.blocklist?m(e.blocklist,{headers:{"user-agent":"WebTorrent/"+E+" (https://webtorrent.io)"}},function(e,n){return e?i.error("Failed to load blocklist: "+e.message):void(i.blocked=n,t())}):n.nextTick(t)):new o(e)}function i(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}function s(e){return"undefined"!=typeof FileList&&e instanceof FileList}t.exports=o;var d=e("safe-buffer").Buffer,a=e("simple-concat"),c=e("create-torrent"),l=e("debug")("webtorrent"),p=e("bittorrent-dht/client"),u=e("events").EventEmitter,f=e("xtend"),h=e("inherits"),m=e("load-ip-set"),g=e("run-parallel"),_=e("parse-torrent"),y=e("path"),b=e("simple-peer"),w=e("randombytes"),k=e("speedometer"),x=e("zero-fill"),v=e("./lib/tcp-pool"),S=e("./lib/torrent"),E=e("./package.json").version,C=E.match(/([0-9]+)/g).slice(0,2).map(function(e){return x(2,e%100)}).join(""),I="-WW"+C+"-";h(o,u),o.WEBRTC_SUPPORT=b.WEBRTC_SUPPORT,o.VERSION=E,Object.defineProperty(o.prototype,"downloadSpeed",{get:function(){return this._downloadSpeed()}}),Object.defineProperty(o.prototype,"uploadSpeed",{get:function(){return this._uploadSpeed()}}),Object.defineProperty(o.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(o.prototype,"ratio",{get:function(){var e=this.torrents.reduce(function(e,t){return e+t.uploaded},0),t=this.torrents.reduce(function(e,t){return e+t.received},0)||1;return e/t}}),o.prototype.get=function(e){var t=this,n=t.torrents.length,r,o;if(e instanceof S){for(r=0;r<n;r++)if(o=t.torrents[r],o===e)return o;}else{var s;try{s=_(e)}catch(e){}if(!s)return null;if(!s.infoHash)throw new Error("Invalid torrent identifier");for(r=0;r<n;r++)if(o=t.torrents[r],o.infoHash===s.infoHash)return o}return null},o.prototype.download=function(e,t,n){return console.warn("WebTorrent: client.download() is deprecated. Use client.add() instead"),this.add(e,t,n)},o.prototype.add=function(e,t,n){function r(){if(!s.destroyed)for(var e=0,n=s.torrents.length,r;e<n;e++)if(r=s.torrents[e],r.infoHash===d.infoHash&&r!==d)return void d._destroy(new Error("Cannot add duplicate torrent "+d.infoHash))}function o(){s.destroyed||("function"==typeof n&&n(d),s.emit("torrent",d))}function i(){d.removeListener("_infoHash",r),d.removeListener("ready",o),d.removeListener("close",i)}var s=this;if(s.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return s.add(e,null,t);s._debug("add"),t=t?f(t):{};var d=new S(e,s,t);return s.torrents.push(d),d.once("_infoHash",r),d.once("ready",o),d.once("close",i),d},o.prototype.seed=function(e,t,n){function r(e){o._debug("on seed"),"function"==typeof n&&n(e),e.emit("seed"),o.emit("seed",e)}var o=this;if(o.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return o.seed(e,null,t);o._debug("seed"),t=t?f(t):{},"string"==typeof e&&(t.path=y.dirname(e)),t.createdBy||(t.createdBy="WebTorrent/"+C);var d=o.add(null,t,function(e){var t=[function(t){e.load(l,t)}];o.dht&&t.push(function(t){e.once("dhtAnnounce",t)}),g(t,function(t){return o.destroyed?void 0:t?e._destroy(t):void r(e)})}),l;return s(e)&&(e=Array.prototype.slice.call(e)),Array.isArray(e)||(e=[e]),g(e.map(function(e){return function(t){i(e)?a(e,t):t(null,e)}}),function(e,n){return o.destroyed?void 0:e?d._destroy(e):void c.parseInput(n,t,function(e,r){return o.destroyed?void 0:e?d._destroy(e):void(l=r.map(function(e){return e.getStream}),c(n,t,function(e,t){if(!o.destroyed){if(e)return d._destroy(e);var n=o.get(t);n?d._destroy(new Error("Cannot add duplicate torrent "+n.infoHash)):d._onTorrentId(t)}}))})}),d},o.prototype.remove=function(e,t){this._debug("remove");var n=this.get(e);if(!n)throw new Error("No torrent with id "+e);this._remove(e,t)},o.prototype._remove=function(e,t){var n=this.get(e);n&&(this.torrents.splice(this.torrents.indexOf(n),1),n.destroy(t))},o.prototype.address=function(){return this.listening?this._tcpPool?this._tcpPool.server.address():{address:"0.0.0.0",family:"IPv4",port:0}:null},o.prototype.destroy=function(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)},o.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)}),g(r,t),e&&n.emit("error",e),n.torrents=[],n._tcpPool=null,n.dht=null},o.prototype._onListening=function(){if(this._debug("listening"),this.listening=!0,this._tcpPool){var e=this._tcpPool.server.address();e&&(this.torrentPort=e.port)}this.emit("listening")},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],l.apply(null,e)}}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/tcp-pool":21,"./lib/torrent":5,"./package.json":127,_process:69,"bittorrent-dht/client":21,"create-torrent":34,debug:35,events:24,inherits:44,"load-ip-set":21,"parse-torrent":65,path:66,randombytes:76,"run-parallel":90,"safe-buffer":92,"simple-concat":93,"simple-peer":95,speedometer:98,xtend:124,"zero-fill":126}]},{},[128])(128)});
\ No newline at end of file |