www.gusucode.com > Kodexplorer 可道云PHP在线文件管理系统源码程序 > kodexplorer_v4.32/plugins/DPlayer/static/DPlayer/lib/webtorrent.min.js

    !function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.WebTorrent=e()}}(function(){var e;return function e(t,n,r){function o(s,a){if(!n[s]){if(!t[s]){var u="function"==typeof require&&require;if(!a&&u)return u(s,!0);if(i)return i(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var f=n[s]={exports:{}};t[s][0].call(f.exports,function(e){var n=t[s][1][e];return o(n||e)},f,f.exports,e,t,n,r)}return n[s].exports}for(var i="function"==typeof require&&require,s=0;s<r.length;s++)o(r[s]);return o}({1:[function(e,t,n){function r(e,t){s.Readable.call(this,t),this.destroyed=!1,this._torrent=e._torrent;var n=t&&t.start||0,r=t&&t.end&&t.end<e.length?t.end:e.length-1,o=e._torrent.pieceLength;this._startPiece=(n+e.offset)/o|0,this._endPiece=(r+e.offset)/o|0,this._piece=this._startPiece,this._offset=n+e.offset-this._startPiece*o,this._missing=r-n+1,this._reading=!1,this._notifying=!1,this._criticalLength=Math.min(1048576/o|0,2)}t.exports=r;var o=e("debug")("webtorrent:file-stream"),i=e("inherits"),s=e("readable-stream");i(r,s.Readable),r.prototype._read=function(){this._reading||(this._reading=!0,this._notify())},r.prototype._notify=function(){var e=this;if(e._reading&&0!==e._missing){if(!e._torrent.bitfield.get(e._piece))return e._torrent.critical(e._piece,e._piece+e._criticalLength);if(!e._notifying){e._notifying=!0;var t=e._piece;e._torrent.store.get(t,function(n,r){if(e._notifying=!1,!e.destroyed){if(n)return e._destroy(n);o("read %s (length %s) (err %s)",t,r.length,n&&n.message),e._offset&&(r=r.slice(e._offset),e._offset=0),e._missing<r.length&&(r=r.slice(0,e._missing)),e._missing-=r.length,o("pushing buffer of length %s",r.length),e._reading=!1,e.push(r),0===e._missing&&e.push(null)}}),e._piece+=1}}},r.prototype.destroy=function(e){this._destroy(null,e)},r.prototype._destroy=function(e,t){this.destroyed||(this.destroyed=!0,this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0),e&&this.emit("error",e),this.emit("close"),t&&t())}},{debug:30,inherits:41,"readable-stream":82}],2:[function(e,t,n){(function(n){function r(e,t){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=n/this._torrent.pieceLength|0,this._endPiece=r/this._torrent.pieceLength|0,0===this.length&&(this.done=!0,this.emit("done"))}t.exports=r;var o=e("end-of-stream"),i=e("events").EventEmitter,s=e("./file-stream"),a=e("inherits"),u=e("path"),c=e("render-media"),f=e("readable-stream"),d=e("stream-to-blob"),h=e("stream-to-blob-url"),l=e("stream-with-known-length-to-buffer");a(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+=this._torrent.pieceLength;else{var n=this._torrent.pieces[t];e+=n.length-n.missing}return e}}),r.prototype.select=function(e){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,e)},r.prototype.deselect=function(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece,!1)},r.prototype.createReadStream=function(e){var t=this;if(0===this.length){var r=new f.PassThrough;return n.nextTick(function(){r.end()}),r}var 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){l(this.createReadStream(),this.length,e)},r.prototype.getBlob=function(e){if("undefined"==typeof window)throw new Error("browser-only method");d(this.createReadStream(),this._getMimeType(),e)},r.prototype.getBlobURL=function(e){if("undefined"==typeof window)throw new Error("browser-only method");h(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[u.extname(this.name).toLowerCase()]},r.prototype._destroy=function(){this._destroyed=!0,this._torrent=null}}).call(this,e("_process"))},{"./file-stream":1,_process:66,"end-of-stream":33,events:34,inherits:41,path:63,"readable-stream":82,"render-media":83,"stream-to-blob":100,"stream-to-blob-url":99,"stream-with-known-length-to-buffer":101}],3:[function(e,t,n){function r(e,t){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"),a=e("bittorrent-protocol"),u=e("./webconn");n.createWebRTCPeer=function(e,t){var n=new r(e.id,"webrtc");return n.conn=e,n.swarm=t,n.conn.connected?n.onConnect():(n.conn.once("connect",function(){n.onConnect()}),n.conn.once("error",function(e){n.destroy(e)}),n.startConnectTimeout()),n},n.createTCPIncomingPeer=function(e){var t=e.remoteAddress+":"+e.remotePort,n=new r(t,"tcpIncoming");return n.conn=e,n.addr=t,n.onConnect(),n},n.createTCPOutgoingPeer=function(e,t){var n=new r(e,"tcpOutgoing");return n.addr=e,n.swarm=t,n},n.createWebSeedPeer=function(e,t){var n=new r(e,"webSeed");return n.swarm=t,n.conn=new u(e,t),n.onConnect(),n},r.prototype.onConnect=function(){var e=this;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 a;n.type=e.type,n.once("end",function(){e.destroy()}),n.once("close",function(){e.destroy()}),n.once("finish",function(){e.destroy()}),n.once("error",function(t){e.destroy(t)}),n.once("handshake",function(t,n){e.onHandshake(t,n)}),e.startHandshakeTimeout(),t.pipe(n).pipe(t),e.swarm&&!e.sentHandshake&&e.handshake()}},r.prototype.onHandshake=function(e,t){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&&(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,a=t.wire;t.swarm=null,t.conn=null,t.wire=null,n&&a&&i(n.wires,n.wires.indexOf(a)),r&&(r.on("error",o),r.destroy()),a&&a.destroy(),n&&n.removePeer(t.id)}}},{"./webconn":6,"bittorrent-protocol":14,debug:30,"unordered-array-remove":111}],4:[function(e,t,n){function r(e){var t=this;t._torrent=e,t._numPieces=e.pieces.length,t._pieces=[],t._onWire=function(e){t.recalculate(),t._initWire(e)},t._onWireHave=function(e){t._pieces[e]+=1},t._onWireBitfield=function(){t.recalculate()},t._torrent.wires.forEach(function(e){t._initWire(e)}),t._torrent.on("wire",t._onWire),t.recalculate()}function o(){return!0}t.exports=r,r.prototype.getRarestPiece=function(e){e||(e=o);for(var t=[],n=1/0,r=0;r<this._numPieces;++r)if(e(r)){var i=this._pieces[r];i===n?t.push(r):i<n&&(t=[r],n=i)}return t.length>0?t[Math.random()*t.length|0]:-1},r.prototype.destroy=function(){var e=this;e._torrent.removeListener("wire",e._onWire),e._torrent.wires.forEach(function(t){e._cleanupWireEvents(t)}),e._torrent=null,e._pieces=null,e._onWire=null,e._onWireHave=null,e._onWireBitfield=null},r.prototype._initWire=function(e){var t=this;e._onClose=function(){t._cleanupWireEvents(e);for(var n=0;n<this._numPieces;++n)t._pieces[n]-=e.peerPieces.get(n)},e.on("have",t._onWireHave),e.on("bitfield",t._onWireBitfield),e.once("close",e._onClose)},r.prototype.recalculate=function(){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)},r.prototype._cleanupWireEvents=function(e){e.removeListener("have",this._onWireHave),e.removeListener("bitfield",this._onWireBitfield),e._onClose&&e.removeListener("close",e._onClose),e._onClose=null}},{}],5:[function(e,t,n){(function(n,r){function o(e,t,n){m.call(this),this._debugId="unknown infohash",this.client=t,this.announce=n.announce,this.urlList=n.urlList,this.path=n.path,this._store=n.store||v,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=O(),this._uploadSpeed=O(),this._servers=[],this._xsRequests=[],this._fileModtimes=n.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}function i(e,t){return 2+Math.ceil(t*e.downloadSpeed()/T.BLOCK_LENGTH)}function s(e,t,n){return 1+Math.ceil(t*e.downloadSpeed()/n)}function a(e){return Math.random()*e|0}function u(){}t.exports=o;var c,f=e("addr-to-ip-port"),d=e("bitfield"),h=e("chunk-store-stream/write"),l=e("debug")("webtorrent:torrent"),p=e("torrent-discovery"),m=e("events").EventEmitter,g=e("xtend"),y=e("xtend/mutable"),_=e("fs"),v=e("fs-chunk-store"),b=e("simple-get"),w=e("immediate-chunk-store"),E=e("inherits"),k=e("multistream"),x=e("net"),S=e("os"),I=e("run-parallel"),B=e("run-parallel-limit"),A=e("parse-torrent"),C=e("path"),T=e("torrent-piece"),L=e("pump"),U=e("random-iterate"),R=e("simple-sha1"),O=e("speedometer"),M=e("uniq"),P=e("ut_metadata"),j=e("ut_pex"),H=e("./file"),N=e("./peer"),q=e("./rarity-map"),D=e("./server"),W=5e3,z=3*T.BLOCK_LENGTH,F=[1e3,5e3,15e3],V=e("../package.json").version,G="WebTorrent/"+V+" (https://webtorrent.io)";try{c=C.join(_.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){c=C.join("function"==typeof S.tmpdir?S.tmpdir():"/","webtorrent")}E(o,m),Object.defineProperty(o.prototype,"timeRemaining",{get:function(){return this.done?0:0===this.downloadSpeed?1/0:(this.length-this.downloaded)/this.downloadSpeed*1e3}}),Object.defineProperty(o.prototype,"downloaded",{get:function(){if(!this.bitfield)return 0;for(var e=0,t=0,n=this.pieces.length;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(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(){return this.length?this.downloaded/this.length:0}}),Object.defineProperty(o.prototype,"ratio",{get:function(){return this.uploaded/(this.received||1)}}),Object.defineProperty(o.prototype,"numPeers",{get:function(){return this.wires.length}}),Object.defineProperty(o.prototype,"torrentFileBlobURL",{get:function(){if("undefined"==typeof window)throw new Error("browser-only property");return this.torrentFile?URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"})):null}}),Object.defineProperty(o.prototype,"_numQueued",{get:function(){return this._queue.length+(this._peersLength-this._numConns)}}),Object.defineProperty(o.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(o.prototype,"swarm",{get:function(){return console.warn("WebTorrent: `torrent.swarm` is deprecated. Use `torrent` directly instead."),this}}),o.prototype._onTorrentId=function(e){var t=this;if(!t.destroyed){var r;try{r=A(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)})):A.remote(e,function(e,n){if(!t.destroyed)return e?t._destroy(e):void t._onParsedTorrent(n)})}},o.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=C.join(c,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()})))}},o.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)),M(e.announce),M(e.urlList),y(this,e),this.magnetURI=A.toMagnetURI(e),this.torrentFile=A.toTorrentFile(e)},o.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 s=i.client.tracker;s&&(s=g(i.client.tracker,{getAnnounceOpts:function(){var e={uploaded:i.uploaded,downloaded:i.downloaded,left:Math.max(i.length-i.downloaded,0)};return i.client.tracker.getAnnounceOpts&&y(e,i.client.tracker.getAnnounceOpts()),i._getAnnounceOpts&&y(e,i._getAnnounceOpts()),e}})),i.discovery=new p({infoHash:i.infoHash,announce:i.announce,peerId:i.client.peerId,dht:!i.private&&i.client.dht,tracker:s,port:i.client.torrentPort,userAgent:G}),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()}},o.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=A(i)}catch(r){}return s?s.infoHash!==t.infoHash?(t.emit("warning",new Error("got torrent file with incorrect info hash from xs param: "+e)),n(null)):(t._onMetadata(s),void 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,i={url:e,method:"GET",headers:{"user-agent":G}};try{o=b.concat(i,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)}});I(r)},o.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=A(e)}catch(e){return t._destroy(e)}t._processParsedTorrent(n),t.metadata=t.torrentFile,t.client.enableWebSeeds&&t.urlList.forEach(function(e){t.addWebSeed(e)}),0!==t.pieces.length&&t.select(0,t.pieces.length-1,!1),t._rarityMap=new q(t),t.store=new w(new t._store(t.pieceLength,{torrent:{infoHash:t.infoHash},files:t.files.map(function(e){return{path:C.join(t.path,e.path),length:e.length,offset:e.offset}}),length:t.length})),t.files=t.files.map(function(e){return new H(t,e)}),t._hashes=t.pieces,t.pieces=t.pieces.map(function(e,n){var r=n===t.pieces.length-1?t.lastPieceLength:t.pieceLength;return new T(r)}),t._reservations=t.pieces.map(function(){return[]}),t.bitfield=new d(t.pieces.length),t.wires.forEach(function(e){e.ut_metadata&&e.ut_metadata.setMetadata(t.metadata),t._onWireWithMetadata(e)}),t._debug("verifying existing torrent data"),t._fileModtimes&&t._store===v?t.getFileModtimes(function(e,n){if(e)return t._destroy(e);if(t.files.map(function(e,r){return n[r]===t._fileModtimes[r]}).every(function(e){return e})){for(var r=0;r<t.pieces.length;r++)t._markVerified(r);t._onStore()}else t._verifyPieces()}):t._verifyPieces(),t.emit("metadata")}},o.prototype.getFileModtimes=function(e){var t=this,n=[];B(t.files.map(function(e,r){return function(o){_.stat(C.join(t.path,e.path),function(e,t){if(e&&"ENOENT"!==e.code)return o(e);n[r]=t&&t.mtime.getTime(),o(null)})}}),2,function(r){t._debug("done getting file modtimes"),e(r,n)})},o.prototype._verifyPieces=function(){var e=this;B(e.pieces.map(function(t,r){return function(t){if(e.destroyed)return t(new Error("torrent is destroyed"));e.store.get(r,function(o,i){return e.destroyed?t(new Error("torrent is destroyed")):o?n.nextTick(t,null):void R(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)})})}}),2,function(t){if(t)return e._destroy(t);e._debug("done verifying"),e._onStore()})},o.prototype._markVerified=function(e){this.pieces[e]=null,this._reservations[e]=null,this.bitfield.set(e,!0)},o.prototype._onStore=function(){var e=this;e.destroyed||(e._debug("on store"),e.ready=!0,e.emit("ready"),e._checkDone(),e._updateSelections())},o.prototype.destroy=function(e){this._destroy(null,e)},o.prototype._destroy=function(e,t){var n=this;if(!n.destroyed){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();for(var r in n._peers)n.removePeer(r);n.files.forEach(function(e){e instanceof H&&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)}),I(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}},o.prototype.addPeer=function(e){var t=this;if(t.destroyed)throw new Error("torrent is destroyed");if(!t.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");if(t.client.blocked){var n;if("string"==typeof e){var r;try{r=f(e)}catch(n){return t._debug("ignoring peer: invalid %s",e),t.emit("invalidPeer",e),!1}n=r[0]}else"string"==typeof e.remoteAddress&&(n=e.remoteAddress);if(n&&t.client.blocked.contains(n))return t._debug("ignoring peer: blocked %s",e),"string"!=typeof e&&e.destroy(),t.emit("blockedPeer",e),!1}var o=!!t._addPeer(e);return o?t.emit("peer",e):t.emit("invalidPeer",e),o},o.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?N.createTCPOutgoingPeer(e,t):N.createWebRTCPeer(e,t),t._peers[r.id]=r,t._peersLength+=1,"string"==typeof e&&(t._queue.push(r),t._drain()),r},o.prototype.addWebSeed=function(e){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=N.createWebSeedPeer(e,this);this._peers[t.id]=t,this._peersLength+=1,this.emit("peer",e)},o.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")):(this._debug("add incoming peer %s",e.id),t._peers[e.id]=e,void(t._peersLength+=1))},o.prototype.removePeer=function(e){var t=this,n=e&&e.id||e;(e=t._peers[n])&&(this._debug("removePeer %s",n),delete t._peers[n],t._peersLength-=1,e.destroy(),t._drain())},o.prototype.select=function(e,t,n,r){var o=this;if(o.destroyed)throw new Error("torrent is destroyed");if(e<0||t<e||o.pieces.length<=t)throw new Error("invalid selection ",e,":",t);n=Number(n)||0,o._debug("select %s-%s (priority %s)",e,t,n),o._selections.push({from:e,to:t,offset:0,priority:n,notify:r||u}),o._selections.sort(function(e,t){return t.priority-e.priority}),o._updateSelections()},o.prototype.deselect=function(e,t,n){var r=this;if(r.destroyed)throw new Error("torrent is destroyed");n=Number(n)||0,r._debug("deselect %s-%s (priority %s)",e,t,n);for(var o=0;o<r._selections.length;++o){var i=r._selections[o];if(i.from===e&&i.to===t&&i.priority===n){r._selections.splice(o,1);break}}r._updateSelections()},o.prototype.critical=function(e,t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");n._debug("critical %s-%s",e,t);for(var r=e;r<=t;++r)n._critical[r]=!0;n._updateSelections()},o.prototype._onWire=function(e,t){var r=this;if(r._debug("got wire %s (%s)",e._debugId,t||"Unknown"),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=f(t);e.remoteAddress=o[0],e.remotePort=o[1]}r.client.dht&&r.client.dht.listening&&e.on("port",function(n){if(!r.destroyed&&!r.client.dht.destroyed){if(!e.remoteAddress)return r._debug("ignoring PORT from peer with no address");if(0===n||n>65536)return r._debug("ignoring invalid PORT from peer");r._debug("port: %s (from %s)",n,t),r.client.dht.addNode({host:e.remoteAddress,port:n})}}),e.on("timeout",function(){r._debug("wire timeout (%s)",t),e.destroy()}),e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(P(r.metadata)),e.ut_metadata.on("warning",function(e){r._debug("ut_metadata warning: %s",e.message)}),r.metadata||(e.ut_metadata.on("metadata",function(e){r._debug("got metadata via ut_metadata"),r._onMetadata(e)}),e.ut_metadata.fetch()),"function"!=typeof j||r.private||(e.use(j()),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)})},o.prototype._onWireWithMetadata=function(e){function t(){o.destroyed||e.destroyed||(o._numQueued>2*(o._numConns-o.numPeers)&&e.amInterested?e.destroy():(i=setTimeout(t,W),i.unref&&i.unref()))}function n(){if(e.peerPieces.buffer.length===o.bitfield.buffer.length){for(r=0;r<o.pieces.length;++r)if(!e.peerPieces.get(r))return;e.isSeeder=!0,e.choke()}}var r,o=this,i=null;e.on("bitfield",function(){n(),o._update()}),e.on("have",function(){n(),o._update()}),e.once("interested",function(){e.unchoke()}),e.once("close",function(){clearTimeout(i)}),e.on("choke",function(){clearTimeout(i),i=setTimeout(t,W),i.unref&&i.unref()}),e.on("unchoke",function(){clearTimeout(i),o._update()}),e.on("request",function(t,n,r,i){if(r>131072)return e.destroy();o.pieces[t]||o.store.get(t,{offset:n,length:r},i)}),e.bitfield(o.bitfield),e.interested(),e.peerExtensions.dht&&o.client.dht&&o.client.dht.listening&&e.port(o.client.dht.address().port),"webSeed"!==e.type&&(i=setTimeout(t,W),i.unref&&i.unref()),e.isSeeder=!1,n()},o.prototype._updateSelections=function(){var e=this;e.ready&&!e.destroyed&&(n.nextTick(function(){e._gcSelections()}),e._updateInterest(),e._update())},o.prototype._gcSelections=function(){for(var e=this,t=0;t<e._selections.length;++t){for(var n=e._selections[t],r=n.offset;e.bitfield.get(n.from+n.offset)&&n.from+n.offset<n.to;)n.offset+=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")},o.prototype._updateInterest=function(){var e=this,t=e._amInterested;e._amInterested=!!e._selections.length,e.wires.forEach(function(t){e._amInterested?t.interested():t.uninterested()}),t!==e._amInterested&&(e._amInterested?e.emit("interested"):e.emit("uninterested"))},o.prototype._update=function(){var e=this;if(!e.destroyed)for(var t,n=U(e.wires);t=n();)e._updateWire(t)},o.prototype._updateWire=function(e){function t(t,n,r,o){return function(i){return i>=t&&i<=n&&!(i in r)&&e.peerPieces.get(i)&&(!o||o(i))}}function n(){var t=e.downloadSpeed()||1;if(t>z)return function(){return!0};var n=Math.max(1,e.requests.length)*T.BLOCK_LENGTH/t,r=10,o=0;return function(e){if(!r||s.bitfield.get(e))return!0;for(var i=s.pieces[e].missing;o<s.wires.length;o++){var a=s.wires[o],u=a.downloadSpeed();if(!(u<z)&&(!(u<=t)&&a.peerPieces.get(e)&&!((i-=u*n)>0)))return r--,!1}return!0}}function r(e){for(var t=e,n=e;n<s._selections.length&&s._selections[n].priority;n++)t=n;var r=s._selections[e];s._selections[e]=s._selections[t],s._selections[t]=r}function o(o){if(e.requests.length>=u)return!0;for(var i=n(),a=0;a<s._selections.length;a++){var c,f=s._selections[a];if("rarest"===s.strategy)for(var d=f.from+f.offset,h=f.to,l=h-d+1,p={},m=0,g=t(d,h,p,i);m<l&&!((c=s._rarityMap.getRarestPiece(g))<0);){for(;s._request(e,c,s._critical[c]||o););if(!(e.requests.length<u))return f.priority&&r(a),!0;p[c]=!0,m++}else for(c=f.from+f.offset;c<=f.to;c++)if(e.peerPieces.get(c)&&i(c)){for(;s._request(e,c,s._critical[c]||o););if(!(e.requests.length<u))return f.priority&&r(a),!0}}return!1}var s=this;if(!e.peerChoking){if(!e.downloaded)return function(){if(!e.requests.length)for(var n=s._selections.length;n--;){var r,o=s._selections[n];if("rarest"===s.strategy)for(var i=o.from+o.offset,a=o.to,u=a-i+1,c={},f=0,d=t(i,a,c);f<u&&!((r=s._rarityMap.getRarestPiece(d))<0);){if(s._request(e,r,!1))return;c[r]=!0,f+=1}else for(r=o.to;r>=o.from+o.offset;--r)if(e.peerPieces.get(r)&&s._request(e,r,!1))return}}();var a=i(e,.5);if(!(e.requests.length>=a)){var u=i(e,1);o(!1)||o(!0)}}},o.prototype._rechoke=function(){function e(e,t){return e.downloadSpeed!==t.downloadSpeed?t.downloadSpeed-e.downloadSpeed:e.uploadSpeed!==t.uploadSpeed?t.uploadSpeed-e.uploadSpeed:e.wire.amChoking!==t.wire.amChoking?e.wire.amChoking?1:-1:e.salt-t.salt}var t=this;if(t.ready){t._rechokeOptimisticTime>0?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 i=n.slice(o).filter(function(e){return e.wire.peerInterested}),s=i[a(i.length)];s&&(s.isChoked=!1,t._rechokeOptimisticWire=s.wire,t._rechokeOptimisticTime=2)}n.forEach(function(e){e.wire.amChoking!==e.isChoked&&(e.isChoked?e.wire.choke():e.wire.unchoke())})}},o.prototype._hotswap=function(e,t){var n=this,r=e.downloadSpeed();if(r<T.BLOCK_LENGTH)return!1;if(!n._reservations[t])return!1;var o=n._reservations[t];if(!o)return!1;var i,s,a=1/0;for(s=0;s<o.length;s++){var u=o[s];if(u&&u!==e){var c=u.downloadSpeed();c>=z||2*c>r||c>a||(i=u,a=c)}}if(!i)return!1;for(s=0;s<o.length;s++)o[s]===i&&(o[s]=null);for(s=0;s<i.requests.length;s++){var f=i.requests[s];f.piece===t&&n.pieces[t].cancel(f.offset/T.BLOCK_LENGTH|0)}return n.emit("hotswap",i,e,t),!0},o.prototype._request=function(e,t,r){function o(){n.nextTick(function(){a._update()})}var a=this,u=e.requests.length,c="webSeed"===e.type;if(a.bitfield.get(t))return!1;if(u>=(c?Math.min(s(e,1,a.pieceLength),a.maxWebConns):i(e,1)))return!1;var f=a.pieces[t],d=c?f.reserveRemaining():f.reserve();if(-1===d&&r&&a._hotswap(e,t)&&(d=c?f.reserveRemaining():f.reserve()),-1===d)return!1;var h=a._reservations[t];h||(h=a._reservations[t]=[]);var l=h.indexOf(null);-1===l&&(l=h.length),h[l]=e;var p=f.chunkOffset(d),m=c?f.chunkLengthRemaining(d):f.chunkLength(d);return e.request(t,p,m,function n(r,i){if(!a.destroyed){if(!a.ready)return a.once("ready",function(){n(r,i)});if(h[l]===e&&(h[l]=null),f!==a.pieces[t])return o();if(r)return a._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,p,m,e.remoteAddress+":"+e.remotePort,r.message),c?f.cancelRemaining(d):f.cancel(d),void o();if(a._debug("got piece %s (offset: %s length: %s) from %s",t,p,m,e.remoteAddress+":"+e.remotePort),!f.set(d,i,e))return o();var s=f.flush();R(s,function(e){if(!a.destroyed){if(e===a._hashes[t]){if(!a.pieces[t])return;a._debug("piece verified %s",t),a.pieces[t]=null,a._reservations[t]=null,a.bitfield.set(t,!0),a.store.put(t,s),a.wires.forEach(function(e){e.have(t)}),a._checkDone()&&!a.destroyed&&a.discovery.complete()}else a.pieces[t]=new T(f.length),a.emit("warning",new Error("Piece "+t+" failed verification"));o()}})}}),!0},o.prototype._checkDone=function(){var e=this;if(!e.destroyed){e.files.forEach(function(t){if(!t.done){for(var n=t._startPiece;n<=t._endPiece;++n)if(!e.bitfield.get(n))return;t.done=!0,t.emit("done"),e._debug("file done: "+t.name)}});for(var t=!0,n=0;n<e._selections.length;n++){for(var r=e._selections[n],o=r.from;o<=r.to;o++)if(!e.bitfield.get(o)){t=!1;break}if(!t)break}return!e.done&&t&&(e.done=!0,e._debug("torrent done: "+e.infoHash),e.emit("done")),e._gcSelections(),t}},o.prototype.load=function(e,t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");if(!n.ready)return n.once("ready",function(){n.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=u);var r=new k(e),o=new h(n.store,n.pieceLength);L(r,o,function(e){if(e)return t(e);n.pieces.forEach(function(e,t){n.pieces[t]=null,n._reservations[t]=null,n.bitfield.set(t,!0)}),n._checkDone(),t(null)})},o.prototype.createServer=function(e){if("function"!=typeof D)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");var t=new D(this,e);return this._servers.push(t),t},o.prototype.pause=function(){
this.destroyed||(this._debug("pause"),this.paused=!0)},o.prototype.resume=function(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this.client._debugId+"] ["+this._debugId+"] "+e[0],l.apply(null,e)},o.prototype._drain=function(){var e=this;if(this._debug("_drain numConns %s maxConns %s",e._numConns,e.client.maxConns),!("function"!=typeof x.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=f(t.addr),r={host:n[0],port:n[1]},o=t.conn=x.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>=F.length)return void e._debug("conn %s closed: will not re-add (max %s attempts)",t.addr,F.length);var n=F[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()}})}}},o.prototype._validAddr=function(e){var t;try{t=f(e)}catch(e){return!1}var n=t[0],r=t[1];return r>0&&r<65535&&!("127.0.0.1"===n&&r===this.client.torrentPort)}}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../package.json":122,"./file":2,"./peer":3,"./rarity-map":4,"./server":21,_process:66,"addr-to-ip-port":7,bitfield:13,"chunk-store-stream/write":26,debug:30,events:34,fs:22,"fs-chunk-store":50,"immediate-chunk-store":40,inherits:41,multistream:58,net:21,os:21,"parse-torrent":62,path:63,pump:67,"random-iterate":72,"run-parallel":86,"run-parallel-limit":85,"simple-get":90,"simple-sha1":92,speedometer:94,"torrent-discovery":106,"torrent-piece":107,uniq:110,ut_metadata:114,ut_pex:21,xtend:119,"xtend/mutable":120}],6:[function(e,t,n){function r(e,t){f.call(this),this.url=e,this.webPeerId=c.sync(e),this._torrent=t,this._init()}t.exports=r;var o=e("bitfield"),i=e("safe-buffer").Buffer,s=e("debug")("webtorrent:webconn"),a=e("simple-get"),u=e("inherits"),c=e("simple-sha1"),f=e("bittorrent-protocol"),d=e("../package.json").version;u(r,f),r.prototype._init=function(){var e=this;e.setKeepAlive(!0),e.once("handshake",function(t,n){if(!e.destroyed){e.handshake(t,e.webPeerId);for(var r=e._torrent.pieces.length,i=new o(r),s=0;s<=r;s++)i.set(s,!0);e.bitfield(i)}}),e.once("interested",function(){s("interested"),e.unchoke()}),e.on("uninterested",function(){s("uninterested")}),e.on("choke",function(){s("choke")}),e.on("unchoke",function(){s("unchoke")}),e.on("bitfield",function(){s("bitfield")}),e.on("request",function(t,n,r,o){s("request pieceIndex=%d offset=%d length=%d",t,n,r),e.httpRequest(t,n,r,o)})},r.prototype.httpRequest=function(e,t,n,r){var o,u=this,c=e*u._torrent.pieceLength,f=c+t,h=f+n-1,l=u._torrent.files;if(l.length<=1)o=[{url:u.url,start:f,end:h}];else{var p=l.filter(function(e){return e.offset<=h&&e.offset+e.length>f});if(p.length<1)return r(new Error("Could not find file corresponnding to web seed range request"));o=p.map(function(e){var t=e.offset+e.length-1;return{url:u.url+("/"===u.url[u.url.length-1]?"":"/")+e.path,fileOffsetInRange:Math.max(e.offset-f,0),start:Math.max(f-e.offset,0),end:Math.min(t,h-e.offset)}})}var m,g=0,y=!1;o.length>1&&(m=i.alloc(n)),o.forEach(function(i){function u(e,t){if(e.statusCode<200||e.statusCode>=300)return y=!0,r(new Error("Unexpected HTTP status code "+e.statusCode));s("Got data of length %d",t.length),1===o.length?r(null,t):(t.copy(m,i.fileOffsetInRange),++g===o.length&&r(null,m))}var c=i.url,f=i.start,h=i.end;s("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",c,e,t,n,f,h);var l={url:c,method:"GET",headers:{"user-agent":"WebTorrent/"+d+" (https://webtorrent.io)",range:"bytes="+f+"-"+h}};a.concat(l,function(e,t,n){if(!y)return e?"undefined"==typeof window||c.startsWith(window.location.origin+"/")?(y=!0,r(e)):a.head(c,function(t,n){if(!y){if(t)return y=!0,r(t);if(n.statusCode<200||n.statusCode>=300)return y=!0,r(new Error("Unexpected HTTP status code "+n.statusCode));if(n.url===c)return y=!0,r(e);l.url=n.url,a.concat(l,function(e,t,n){if(!y)return e?(y=!0,r(e)):void u(t,n)})}}):void u(t,n)})})},r.prototype.destroy=function(){f.prototype.destroy.call(this),this._torrent=null}},{"../package.json":122,bitfield:13,"bittorrent-protocol":14,debug:30,inherits:41,"safe-buffer":88,"simple-get":90,"simple-sha1":92}],7:[function(e,t,n){var r=/^\[?([^\]]+)\]?:(\d+)$/,o={},i=0;t.exports=function(e){if(1e5===i&&t.exports.reset(),!o[e]){var n=r.exec(e);if(!n)throw new Error("invalid addr: "+e);o[e]=[n[1],Number(n[2])],i+=1}return o[e]},t.exports.reset=function(){o={},i=0}},{}],8:[function(e,t,n){"use strict";function r(e){var t=e.length;if(t%4>0)throw new Error("Invalid string. Length must be a multiple of 4");return"="===e[t-2]?2:"="===e[t-1]?1:0}function o(e){return 3*e.length/4-r(e)}function i(e){var t,n,o,i,s,a,u=e.length;s=r(e),a=new d(3*u/4-s),o=s>0?u-4:u;var c=0;for(t=0,n=0;t<o;t+=4,n+=3)i=f[e.charCodeAt(t)]<<18|f[e.charCodeAt(t+1)]<<12|f[e.charCodeAt(t+2)]<<6|f[e.charCodeAt(t+3)],a[c++]=i>>16&255,a[c++]=i>>8&255,a[c++]=255&i;return 2===s?(i=f[e.charCodeAt(t)]<<2|f[e.charCodeAt(t+1)]>>4,a[c++]=255&i):1===s&&(i=f[e.charCodeAt(t)]<<10|f[e.charCodeAt(t+1)]<<4|f[e.charCodeAt(t+2)]>>2,a[c++]=i>>8&255,a[c++]=255&i),a}function s(e){return c[e>>18&63]+c[e>>12&63]+c[e>>6&63]+c[63&e]}function a(e,t,n){for(var r,o=[],i=t;i<n;i+=3)r=(e[i]<<16)+(e[i+1]<<8)+e[i+2],o.push(s(r));return o.join("")}function u(e){for(var t,n=e.length,r=n%3,o="",i=[],s=0,u=n-r;s<u;s+=16383)i.push(a(e,s,s+16383>u?u:s+16383));return 1===r?(t=e[n-1],o+=c[t>>2],o+=c[t<<4&63],o+="=="):2===r&&(t=(e[n-2]<<8)+e[n-1],o+=c[t>>10],o+=c[t>>4&63],o+=c[t<<2&63],o+="="),i.push(o),i.join("")}n.byteLength=o,n.toByteArray=i,n.fromByteArray=u;for(var c=[],f=[],d="undefined"!=typeof Uint8Array?Uint8Array:Array,h="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",l=0,p=h.length;l<p;++l)c[l]=h[l],f[h.charCodeAt(l)]=l;f["-".charCodeAt(0)]=62,f["_".charCodeAt(0)]=63},{}],9:[function(e,t,n){(function(e){function n(e,t,n){for(var r=0,o=1,i=t;i<n;i++){var s=e[i];if(s<58&&s>=48)r=10*r+(s-48);else if(i!==t||43!==s){if(i!==t||45!==s){if(46===s)break;throw new Error("not a number: buffer["+i+"] = "+s)}o=-1}}return r*o}function r(t,n,o,i){return null==t||0===t.length?null:("number"!=typeof n&&null==i&&(i=n,n=void 0),"number"!=typeof o&&null==i&&(i=o,o=void 0),r.position=0,r.encoding=i||null,r.data=e.isBuffer(t)?t.slice(n,o):new e(t),r.bytes=r.data.length,r.next())}r.bytes=0,r.position=0,r.data=null,r.encoding=null,r.next=function(){switch(r.data[r.position]){case 100:return r.dictionary();case 108:return r.list();case 105:return r.integer();default:return r.buffer()}},r.find=function(e){for(var t=r.position,n=r.data.length,o=r.data;t<n;){if(o[t]===e)return t;t++}throw new Error('Invalid data: Missing delimiter "'+String.fromCharCode(e)+'" [0x'+e.toString(16)+"]")},r.dictionary=function(){r.position++;for(var e={};101!==r.data[r.position];)e[r.buffer()]=r.next();return r.position++,e},r.list=function(){r.position++;for(var e=[];101!==r.data[r.position];)e.push(r.next());return r.position++,e},r.integer=function(){var e=r.find(101),t=n(r.data,r.position+1,e);return r.position+=e+1-r.position,t},r.buffer=function(){var e=r.find(58),t=n(r.data,r.position,e),o=++e+t;return r.position=o,r.encoding?r.data.toString(r.encoding,e,o):r.data.slice(e,o)},t.exports=r}).call(this,e("buffer").Buffer)},{buffer:24}],10:[function(e,t,n){(function(e){function n(t,r,o){var i=[],s=null;return n._encode(i,t),s=e.concat(i),n.bytes=s.length,e.isBuffer(r)?(s.copy(r,o),r):s}n.bytes=-1,n._floatConversionDetected=!1,n._encode=function(t,r){if(e.isBuffer(r))return t.push(new e(r.length+":")),void t.push(r);if(null!=r)switch(typeof r){case"string":n.buffer(t,r);break;case"number":n.number(t,r);break;case"object":r.constructor===Array?n.list(t,r):n.dict(t,r);break;case"boolean":n.number(t,r?1:0)}};var r=new e("e"),o=new e("d"),i=new e("l");n.buffer=function(t,n){t.push(new e(e.byteLength(n)+":"+n))},n.number=function(t,r){var o=r/2147483648<<0,i=r%2147483648<<0,s=2147483648*o+i;t.push(new e("i"+s+"e")),s===r||n._floatConversionDetected||(n._floatConversionDetected=!0,console.warn('WARNING: Possible data corruption detected with value "'+r+'":','Bencoding only defines support for integers, value was converted to "'+s+'"'),console.trace())},n.dict=function(e,t){e.push(o);for(var i,s=0,a=Object.keys(t).sort(),u=a.length;s<u;s++)i=a[s],null!=t[i]&&(n.buffer(e,i),n._encode(e,t[i]));e.push(r)},n.list=function(e,t){var o=0,s=t.length;for(e.push(i);o<s;o++)null!=t[o]&&n._encode(e,t[o]);e.push(r)},t.exports=n}).call(this,e("buffer").Buffer)},{buffer:24}],11:[function(e,t,n){var r=t.exports;r.encode=e("./encode"),r.decode=e("./decode"),r.byteLength=r.encodingLength=function(e){return r.encode(e).length}},{"./decode":9,"./encode":10}],12:[function(e,t,n){t.exports=function(e,t,n,r,o){var i,s;if(void 0===r)r=0;else if((r|=0)<0||r>=e.length)throw new RangeError("invalid lower bound");if(void 0===o)o=e.length-1;else if((o|=0)<r||o>=e.length)throw new RangeError("invalid upper bound");for(;r<=o;)if(i=r+(o-r>>1),(s=+n(e[i],t,i,e))<0)r=i+1;else{if(!(s>0))return i;o=i-1}return~r}},{}],13:[function(e,t,n){(function(e){function n(e,t){if(!(this instanceof n))return new n(e,t);0===arguments.length&&(e=0),this.grow=t&&(isFinite(t.grow)&&r(t.grow)||t.grow)||0,"number"!=typeof e&&void 0!==e||(e=new o(r(e)),e.fill&&!e._isBuffer&&e.fill(0)),this.buffer=e}function r(e){var t=e>>3;return e%8!=0&&t++,t}var o=void 0!==e?e:"undefined"!=typeof Int8Array?Int8Array:function(e){for(var t=new Array(e),n=0;n<e;n++)t[n]=0};n.prototype.get=function(e){var t=e>>3;return t<this.buffer.length&&!!(this.buffer[t]&128>>e%8)},n.prototype.set=function(e,t){var n=e>>3;t||1===arguments.length?(this.buffer.length<n+1&&this._grow(Math.max(n+1,Math.min(2*this.buffer.length,this.grow))),this.buffer[n]|=128>>e%8):n<this.buffer.length&&(this.buffer[n]&=~(128>>e%8))},n.prototype._grow=function(e){if(this.buffer.length<e&&e<=this.grow){var t=new o(e);if(t.fill&&t.fill(0),this.buffer.copy)this.buffer.copy(t,0);else for(var n=0;n<this.buffer.length;n++)t[n]=this.buffer[n];this.buffer=t}},void 0!==t&&(t.exports=n)}).call(this,e("buffer").Buffer)},{buffer:24}],14:[function(e,t,n){function r(e,t,n,r){this.piece=e,this.offset=t,this.length=n,this.callback=r}function o(){if(!(this instanceof o))return new o;m.Duplex.call(this),this._debugId=l(4).toString("hex"),this._debug("new wire"),this.peerId=null,this.peerIdBuffer=null,this.type=null,this.amChoking=!0,this.amInterested=!1,this.peerChoking=!0,this.peerInterested=!1,this.peerPieces=new u(0,{grow:g}),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=p(),this.downloadSpeed=p(),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()}function i(e,t,n,r){for(var o=0;o<e.length;o++){var i=e[o];if(i.piece===t&&i.offset===n&&i.length===r)return s(e,o),i}return null}t.exports=o;var s=e("unordered-array-remove"),a=e("bencode"),u=e("bitfield"),c=e("safe-buffer").Buffer,f=e("debug")("bittorrent-protocol"),d=e("xtend"),h=e("inherits"),l=e("randombytes"),p=e("speedometer"),m=e("readable-stream"),g=4e5,y=c.from("BitTorrent protocol"),_=c.from([0,0,0,0]),v=c.from([0,0,0,1,0]),b=c.from([0,0,0,1,1]),w=c.from([0,0,0,1,2]),E=c.from([0,0,0,1,3]),k=[0,0,0,0,0,0,0,0],x=[0,0,0,3,9,0,0];h(o,m.Duplex),o.prototype.setKeepAlive=function(e){var t=this;t._debug("setKeepAlive %s",e),clearInterval(t._keepAliveInterval),!1!==e&&(t._keepAliveInterval=setInterval(function(){t.keepAlive()},55e3))},o.prototype.setTimeout=function(e,t){this._debug("setTimeout ms=%d unref=%s",e,t),this._clearTimeout(),this._timeoutMs=e,this._timeoutUnref=!!t,this._updateTimeout()},o.prototype.destroy=function(){this.destroyed||(this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end())},o.prototype.end=function(){this._debug("end"),this._onUninterested(),this._onChoke(),m.Duplex.prototype.end.apply(this,arguments)},o.prototype.use=function(e){function t(){}var n=e.prototype.name;if(!n)throw new Error('Extension class requires a "name" property on the prototype');this._debug("use extension.name=%s",n);var r=this._nextExt,o=new e(this);"function"!=typeof o.onHandshake&&(o.onHandshake=t),"function"!=typeof o.onExtendedHandshake&&(o.onExtendedHandshake=t),"function"!=typeof o.onMessage&&(o.onMessage=t),this.extendedMapping[r]=n,this._ext[n]=o,this[n]=o,this._nextExt+=1},o.prototype.keepAlive=function(){this._debug("keep-alive"),this._push(_)},o.prototype.handshake=function(e,t,n){var r,o;if("string"==typeof e?r=c.from(e,"hex"):(r=e,e=r.toString("hex")),"string"==typeof t?o=c.from(t,"hex"):(o=t,t=o.toString("hex")),20!==r.length||20!==o.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,n);var i=c.from(k);i[5]|=16,n&&n.dht&&(i[7]|=1),this._push(c.concat([y,i,r,o])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},o.prototype._sendExtendedHandshake=function(){var e=d(this.extendedHandshake);e.m={};for(var t in this.extendedMapping){var n=this.extendedMapping[t];e.m[n]=Number(t)}this.extended(0,a.encode(e)),this._extendedHandshakeSent=!0},o.prototype.choke=function(){if(!this.amChoking){for(this.amChoking=!0,this._debug("choke");this.peerRequests.length;)this.peerRequests.pop();this._push(v)}},o.prototype.unchoke=function(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(b))},o.prototype.interested=function(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(w))},o.prototype.uninterested=function(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(E))},o.prototype.have=function(e){this._debug("have %d",e),this._message(4,[e],null)},o.prototype.bitfield=function(e){this._debug("bitfield"),c.isBuffer(e)||(e=e.buffer),this._message(5,[],e)},o.prototype.request=function(e,t,n,o){return o||(o=function(){}),this._finished?o(new Error("wire is closed")):this.peerChoking?o(new Error("peer is choking")):(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new r(e,t,n,o)),this._updateTimeout(),void this._message(6,[e,t,n],null))},o.prototype.piece=function(e,t,n){this._debug("piece index=%d offset=%d",e,t),this.uploaded+=n.length,this.uploadSpeed(n.length),this.emit("upload",n.length),this._message(7,[e,t],n)},o.prototype.cancel=function(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(i(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)},o.prototype.port=function(e){this._debug("port %d",e);var t=c.from(x);t.writeUInt16BE(e,5),this._push(t)},o.prototype.extended=function(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"!=typeof e)throw new Error("Unrecognized extension: "+e);var n=c.from([e]),r=c.isBuffer(t)?t:a.encode(t);this._message(20,[],c.concat([n,r]))},o.prototype._read=function(){},o.prototype._message=function(e,t,n){var r=n?n.length:0,o=c.allocUnsafe(5+4*t.length);o.writeUInt32BE(o.length+r-4,0),o[4]=e;for(var i=0;i<t.length;i++)o.writeUInt32BE(t[i],5+4*i);this._push(o),n&&this._push(n)},o.prototype._push=function(e){if(!this._finished)return this.push(e)},o.prototype._onKeepAlive=function(){this._debug("got keep-alive"),this.emit("keep-alive")},o.prototype._onHandshake=function(e,t,n){var r=e.toString("hex"),o=t.toString("hex");this._debug("got handshake i=%s p=%s exts=%o",r,o,n),this.peerId=o,this.peerIdBuffer=t,this.peerExtensions=n,this.emit("handshake",r,o,n);var i;for(i in this._ext)this._ext[i].onHandshake(r,o,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},o.prototype._onChoke=function(){for(this.peerChoking=!0,this._debug("got choke"),this.emit("choke");this.requests.length;)this._callback(this.requests.pop(),new Error("peer is choking"),null)},o.prototype._onUnchoke=function(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")},o.prototype._onInterested=function(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")},o.prototype._onUninterested=function(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")},o.prototype._onHave=function(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))},o.prototype._onBitField=function(e){this.peerPieces=new u(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)},o.prototype._onRequest=function(e,t,n){var o=this;if(!o.amChoking){o._debug("got request index=%d offset=%d length=%d",e,t,n);var s=function(r,s){if(a===i(o.peerRequests,e,t,n))return r?o._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,r.message):void o.piece(e,t,s)},a=new r(e,t,n,s);o.peerRequests.push(a),o.emit("request",e,t,n,s)}},o.prototype._onPiece=function(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(i(this.requests,e,t,n.length),null,n),this.downloaded+=n.length,this.downloadSpeed(n.length),this.emit("download",n.length),this.emit("piece",e,t,n)},o.prototype._onCancel=function(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),i(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)},o.prototype._onPort=function(e){this._debug("got port %d",e),this.emit("port",e)},o.prototype._onExtended=function(e,t){if(0===e){var n;try{n=a.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!n)return;this.peerExtendedHandshake=n;var r;if("object"==typeof n.m)for(r in n.m)this.peerExtendedMapping[r]=Number(n.m[r].toString());for(r in this._ext)this.peerExtendedMapping[r]&&this._ext[r].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[e]&&(e=this.extendedMapping[e],this._ext[e]&&this._ext[e].onMessage(t)),this._debug("got extended message ext=%s",e),this.emit("extended",e,t)},o.prototype._onTimeout=function(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")},o.prototype._write=function(e,t,n){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){var r=1===this._buffer.length?this._buffer[0]:c.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[r.slice(this._parserSize)]:[],this._parser(r.slice(0,this._parserSize))}n(null)},o.prototype._callback=function(e,t,n){e&&(this._clearTimeout(),this.peerChoking||this._finished||this._updateTimeout(),e.callback(t,n))},o.prototype._clearTimeout=function(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)},o.prototype._updateTimeout=function(){var e=this;e._timeoutMs&&e.requests.length&&!e._timeout&&(e._timeout=setTimeout(function(){e._onTimeout()},e._timeoutMs),e._timeoutUnref&&e._timeout.unref&&e._timeout.unref())},o.prototype._parse=function(e,t){this._parserSize=e,this._parser=t},o.prototype._onMessageLength=function(e){var t=e.readUInt32BE(0);t>0?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))},o.prototype._onMessage=function(e){switch(this._parse(4,this._onMessageLength),e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",e)}},o.prototype._parseHandshake=function(){var e=this;e._parse(1,function(t){var n=t.readUInt8(0);e._parse(n+48,function(t){var r=t.slice(0,n);if("BitTorrent protocol"!==r.toString())return e._debug("Error: wire not speaking BitTorrent protocol (%s)",r.toString()),void e.end();t=t.slice(n),e._onHandshake(t.slice(8,28),t.slice(28,48),{dht:!!(1&t[7]),extended:!!(16&t[5])}),e._parse(4,e._onMessageLength)})})},o.prototype._onFinish=function(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,function(){});this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],f.apply(null,e)}},{bencode:11,bitfield:13,debug:30,inherits:41,randombytes:73,"readable-stream":82,"safe-buffer":88,speedometer:94,"unordered-array-remove":111,xtend:119}],15:[function(e,t,n){(function(n){function r(e){function t(e){n.nextTick(function(){a.emit("warning",e)})}var a=this;if(!(a instanceof r))return new r(e);if(s.call(a),e||(e={}),!e.peerId)throw 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");a.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),a._peerIdBuffer=o.from(a.peerId,"hex"),a._peerIdBinary=a._peerIdBuffer.toString("binary"),a.infoHash="string"==typeof e.infoHash?e.infoHash:e.infoHash.toString("hex"),a._infoHashBuffer=o.from(a.infoHash,"hex"),a._infoHashBinary=a._infoHashBuffer.toString("binary"),i("new client %s",a.infoHash),a.destroyed=!1,a._port=e.port,a._getAnnounceOpts=e.getAnnounceOpts,a._rtcConfig=e.rtcConfig,a._userAgent=e.userAgent,a._wrtc="function"==typeof e.wrtc?e.wrtc():e.wrtc;var u="string"==typeof e.announce?[e.announce]:null==e.announce?[]:e.announce;u=u.map(function(e){return e=e.toString(),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e}),u=h(u);var c=!1!==a._wrtc&&(!!a._wrtc||d.WEBRTC_SUPPORT);a._trackers=u.map(function(e){var n=l.parse(e).protocol;return"http:"!==n&&"https:"!==n||"function"!=typeof m?"udp:"===n&&"function"==typeof g?new g(a,e):"ws:"!==n&&"wss:"!==n||!c?(t(new Error("Unsupported tracker protocol: "+e)),null):"ws:"===n&&"undefined"!=typeof window&&"https:"===window.location.protocol?(t(new Error("Unsupported tracker protocol: "+e)),null):new y(a,e):new m(a,e)}).filter(Boolean)}t.exports=r;var o=e("safe-buffer").Buffer,i=e("debug")("bittorrent-tracker:client"),s=e("events").EventEmitter,a=e("xtend"),u=e("inherits"),c=e("once"),f=e("run-parallel"),d=e("simple-peer"),h=e("uniq"),l=e("url"),p=e("./lib/common"),m=e("./lib/client/http-tracker"),g=e("./lib/client/udp-tracker"),y=e("./lib/client/websocket-tracker");u(r,s),r.scrape=function(e,t){if(t=c(t),!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");var n=a(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,u={};return i.on("scrape",function(e){if(s-=1,u[e.infoHash]=e,0===s){i.destroy();var n=Object.keys(u);1===n.length?t(null,u[n[0]]):t(null,u)}}),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){this._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)}});f(n,e),t._trackers=[],t._getAnnounceOpts=null}},r.prototype._defaultAnnounceOpts=function(e){var t=this;return e||(e={}),null==e.numwant&&(e.numwant=p.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),t._getAnnounceOpts&&(e=a(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:66,debug:30,events:34,inherits:41,once:60,"run-parallel":86,"safe-buffer":88,"simple-peer":91,uniq:110,url:112,xtend:119}],16:[function(e,t,n){function r(e,t){var n=this;o.call(n),n.client=e,n.announceUrl=t,n.interval=null,n.destroyed=!1}t.exports=r;var o=e("events").EventEmitter;e("inherits")(r,o),r.prototype.setInterval=function(e){var t=this;null==e&&(e=t.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(t.interval),e&&(t.interval=setInterval(function(){t.announce(t.client._defaultAnnounceOpts())},e),t.interval.unref&&t.interval.unref())}},{events:34,inherits:41}],17:[function(e,t,n){function r(e,t,n){var r=this;h.call(r,e,t),i("new websocket tracker %s",t),r.peers={},r.socket=null,r.reconnecting=!1,r.retries=0,r.reconnectTimer=null,r.expectingResponse=!1,r._openSocket()}function o(){}t.exports=r;var i=e("debug")("bittorrent-tracker:websocket-tracker"),s=e("xtend"),a=e("inherits"),u=e("simple-peer"),c=e("randombytes"),f=e("simple-websocket"),d=e("../common"),h=e("./tracker"),l={},p=5e4;a(r,h),r.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,r.prototype.announce=function(e){var t=this;if(!t.destroyed&&!t.reconnecting){if(!t.socket.connected)return void t.socket.once("connect",function(){t.announce(e)});var n=s(e,{action:"announce",info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary});if(t._trackerId&&(n.trackerid=t._trackerId),"stopped"===e.event||"completed"===e.event)t._send(n);else{var r=Math.min(e.numwant,10);t._generateOffers(r,function(e){n.numwant=r,n.offers=e,t._send(n)})}}},r.prototype.scrape=function(e){var t=this;if(!t.destroyed&&!t.reconnecting){if(!t.socket.connected)return void t.socket.once("connect",function(){t.scrape(e)});var n=Array.isArray(e.infoHash)&&e.infoHash.length>0?e.infoHash.map(function(e){return e.toString("binary")}):e.infoHash&&e.infoHash.toString("binary")||t.client._infoHashBinary,r={action:"scrape",info_hash:n};t._send(r)}},r.prototype.destroy=function(e){function t(){a&&(clearTimeout(a),a=null),s.removeListener("data",t),s.destroy(),s=null}var n=this;if(e||(e=o),n.destroyed)return e(null);n.destroyed=!0,clearInterval(n.interval),clearTimeout(n.reconnectTimer);for(var r in n.peers){var i=n.peers[r];clearTimeout(i.trackerTimeout),i.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,l[n.announceUrl]&&(l[n.announceUrl].consumers-=1),l[n.announceUrl].consumers>0)return e();var s=l[n.announceUrl];if(delete l[n.announceUrl],s.on("error",o),s.once("close",e),!n.expectingResponse)return t();var a=setTimeout(t,d.DESTROY_TIMEOUT);s.once("data",t)},r.prototype._openSocket=function(){var e=this;e.destroyed=!1,e.peers||(e.peers={}),e._onSocketConnectBound=function(){e._onSocketConnect()},e._onSocketErrorBound=function(t){e._onSocketError(t)},e._onSocketDataBound=function(t){e._onSocketData(t)},e._onSocketCloseBound=function(){e._onSocketClose()},e.socket=l[e.announceUrl],e.socket?l[e.announceUrl].consumers+=1:(e.socket=l[e.announceUrl]=new f(e.announceUrl),e.socket.consumers=1,e.socket.once("connect",e._onSocketConnectBound)),e.socket.on("data",e._onSocketDataBound),e.socket.once("close",e._onSocketCloseBound),e.socket.once("error",e._onSocketErrorBound)},r.prototype._onSocketConnect=function(){var e=this;e.destroyed||e.reconnecting&&(e.reconnecting=!1,e.retries=0,e.announce(e.client._defaultAnnounceOpts()))},r.prototype._onSocketData=function(e){var t=this;if(!t.destroyed){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))}},r.prototype._onAnnounceResponse=function(e){var t=this;if(e.info_hash!==t.client._infoHashBinary)return void i("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,d.binaryToHex(e.info_hash),t.client.infoHash);if(!e.peer_id||e.peer_id!==t.client._peerIdBinary){i("received %s from %s for %s",JSON.stringify(e),t.announceUrl,t.client.infoHash);var n=e["failure reason"];if(n)return t.client.emit("warning",new Error(n));var r=e["warning message"];r&&t.client.emit("warning",new Error(r));var o=e.interval||e["min interval"];o&&t.setInterval(1e3*o);var s=e["tracker id"];if(s&&(t._trackerId=s),null!=e.complete){var a=Object.assign({},e,{announce:t.announceUrl,infoHash:d.binaryToHex(e.info_hash)});t.client.emit("update",a)}var u;if(e.offer&&e.peer_id&&(i("creating peer (from remote offer)"),u=t._createPeer(),u.id=d.binaryToHex(e.peer_id),u.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)}),u.signal(e.offer),t.client.emit("peer",u)),e.answer&&e.peer_id){var c=d.binaryToHex(e.offer_id);u=t.peers[c],u?(u.id=d.binaryToHex(e.peer_id),u.signal(e.answer),t.client.emit("peer",u),clearTimeout(u.trackerTimeout),u.trackerTimeout=null,delete t.peers[c]):i("got unexpected answer: "+JSON.stringify(e.answer))}}},r.prototype._onScrapeResponse=function(e){var t=this;e=e.files||{};var n=Object.keys(e);if(0===n.length)return void t.client.emit("warning",new Error("invalid scrape response"));n.forEach(function(n){var r=Object.assign(e[n],{announce:t.announceUrl,infoHash:d.binaryToHex(n)});t.client.emit("scrape",r)})},r.prototype._onSocketClose=function(){var e=this;e.destroyed||(e.destroy(),e._startReconnectTimer())},r.prototype._onSocketError=function(e){var t=this;t.destroyed||(t.destroy(),t.client.emit("warning",e),t._startReconnectTimer())},r.prototype._startReconnectTimer=function(){var e=this,t=Math.floor(3e4*Math.random())+Math.min(15e3*Math.pow(2,e.retries),18e5);e.reconnecting=!0,clearTimeout(e.reconnectTimer),e.reconnectTimer=setTimeout(function(){e.retries++,e._openSocket()},t),
e.reconnectTimer.unref&&e.reconnectTimer.unref(),i("reconnecting socket in %s ms",t)},r.prototype._send=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!0;var n=JSON.stringify(e);i("send %s",n),t.socket.send(n)}},r.prototype._generateOffers=function(e,t){function n(){o.length===e&&(i("generated %s offers",e),t(o))}var r=this,o=[];i("generating %s offers",e);for(var s=0;s<e;++s)!function(){var e=c(20).toString("hex");i("creating peer (from _generateOffers)");var t=r.peers[e]=r._createPeer({initiator:!0});t.once("signal",function(t){o.push({offer:t,offer_id:d.hexToBinary(e)}),n()}),t.trackerTimeout=setTimeout(function(){i("tracker timeout: destroying peer"),t.trackerTimeout=null,delete r.peers[e],t.destroy()},p),t.trackerTimeout.unref&&t.trackerTimeout.unref()}();n()},r.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 u(e);return o.once("error",t),o.once("connect",n),o}},{"../common":18,"./tracker":16,debug:30,inherits:41,randombytes:73,"simple-peer":91,"simple-websocket":93,xtend:119}],18:[function(e,t,n){var r=e("safe-buffer").Buffer,o=e("xtend/mutable");n.DEFAULT_ANNOUNCE_PEERS=50,n.MAX_ANNOUNCE_PEERS=82,n.binaryToHex=function(e){return"string"!=typeof e&&(e=String(e)),r.from(e,"binary").toString("hex")},n.hexToBinary=function(e){return"string"!=typeof e&&(e=String(e)),r.from(e,"hex").toString("binary")},o(n,e("./common-node"))},{"./common-node":21,"safe-buffer":88,"xtend/mutable":120}],19:[function(e,t,n){(function(e){t.exports=function(t,n){function r(t){o.removeEventListener("loadend",r,!1),t.error?n(t.error):n(null,new e(o.result))}if("undefined"==typeof Blob||!(t instanceof Blob))throw new Error("first argument must be a Blob");if("function"!=typeof n)throw new Error("second argument must be a function");var o=new FileReader;o.addEventListener("loadend",r,!1),o.readAsArrayBuffer(t)}}).call(this,e("buffer").Buffer)},{buffer:24}],20:[function(e,t,n){(function(n){function r(e,t){if(!(this instanceof r))return new r(e,t);i.call(this),t||(t={}),"object"==typeof e&&(t=e,e=t.size),this.size=e||512,t.nopad?this._zeroPadding=!1:this._zeroPadding=s(t.zeroPadding,!0),this._buffered=[],this._bufferedBytes=0}var o=e("inherits"),i=e("readable-stream").Transform,s=e("defined");t.exports=r,o(r,i),r.prototype._transform=function(e,t,r){for(this._bufferedBytes+=e.length,this._buffered.push(e);this._bufferedBytes>=this.size;){var o=n.concat(this._buffered);this._bufferedBytes-=this.size,this.push(o.slice(0,this.size)),this._buffered=[o.slice(this.size,o.length)]}r()},r.prototype._flush=function(){if(this._bufferedBytes&&this._zeroPadding){var e=new n(this.size-this._bufferedBytes);e.fill(0),this._buffered.push(e),this.push(n.concat(this._buffered)),this._buffered=null}else this._bufferedBytes&&(this.push(n.concat(this._buffered)),this._buffered=null);this.push(null)}}).call(this,e("buffer").Buffer)},{buffer:24,defined:32,inherits:41,"readable-stream":82}],21:[function(e,t,n){},{}],22:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21}],23:[function(e,t,n){(function(t){"use strict";var r=e("buffer"),o=r.Buffer,i=r.SlowBuffer,s=r.kMaxLength||2147483647;n.alloc=function(e,t,n){if("function"==typeof o.alloc)return o.alloc(e,t,n);if("number"==typeof n)throw new TypeError("encoding must not be number");if("number"!=typeof e)throw new TypeError("size must be a number");if(e>s)throw new RangeError("size is too large");var r=n,i=t;void 0===i&&(r=void 0,i=0);var a=new o(e);if("string"==typeof i)for(var u=new o(i,r),c=u.length,f=-1;++f<e;)a[f]=u[f%c];else a.fill(i);return a},n.allocUnsafe=function(e){if("function"==typeof o.allocUnsafe)return o.allocUnsafe(e);if("number"!=typeof e)throw new TypeError("size must be a number");if(e>s)throw new RangeError("size is too large");return new o(e)},n.from=function(e,n,r){if("function"==typeof o.from&&(!t.Uint8Array||Uint8Array.from!==o.from))return o.from(e,n,r);if("number"==typeof e)throw new TypeError('"value" argument must not be a number');if("string"==typeof e)return new o(e,n);if("undefined"!=typeof ArrayBuffer&&e instanceof ArrayBuffer){var i=n;if(1===arguments.length)return new o(e);void 0===i&&(i=0);var s=r;if(void 0===s&&(s=e.byteLength-i),i>=e.byteLength)throw new RangeError("'offset' is out of bounds");if(s>e.byteLength-i)throw new RangeError("'length' is out of bounds");return new o(e.slice(i,i+s))}if(o.isBuffer(e)){var a=new o(e.length);return e.copy(a,0,0,e.length),a}if(e){if(Array.isArray(e)||"undefined"!=typeof ArrayBuffer&&e.buffer instanceof ArrayBuffer||"length"in e)return new o(e);if("Buffer"===e.type&&Array.isArray(e.data))return new o(e.data)}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")},n.allocUnsafeSlow=function(e){if("function"==typeof o.allocUnsafeSlow)return o.allocUnsafeSlow(e);if("number"!=typeof e)throw new TypeError("size must be a number");if(e>=s)throw new RangeError("size is too large");return new i(e)}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{buffer:24}],24:[function(e,t,n){"use strict";function r(e){if(e>X)throw new RangeError("Invalid typed array length");var t=new Uint8Array(e);return t.__proto__=o.prototype,t}function o(e,t,n){if("number"==typeof e){if("string"==typeof t)throw new Error("If encoding is specified then the first argument must be a string");return u(e)}return i(e,t,n)}function i(e,t,n){if("number"==typeof e)throw new TypeError('"value" argument must not be a number');return e instanceof ArrayBuffer?d(e,t,n):"string"==typeof e?c(e,t):h(e)}function s(e){if("number"!=typeof e)throw new TypeError('"size" argument must be a number');if(e<0)throw new RangeError('"size" argument must not be negative')}function a(e,t,n){return s(e),e<=0?r(e):void 0!==t?"string"==typeof n?r(e).fill(t,n):r(e).fill(t):r(e)}function u(e){return s(e),r(e<0?0:0|l(e))}function c(e,t){if("string"==typeof t&&""!==t||(t="utf8"),!o.isEncoding(t))throw new TypeError('"encoding" must be a valid string encoding');var n=0|m(e,t),i=r(n),s=i.write(e,t);return s!==n&&(i=i.slice(0,s)),i}function f(e){for(var t=e.length<0?0:0|l(e.length),n=r(t),o=0;o<t;o+=1)n[o]=255&e[o];return n}function d(e,t,n){if(t<0||e.byteLength<t)throw new RangeError("'offset' is out of bounds");if(e.byteLength<t+(n||0))throw new RangeError("'length' is out of bounds");var r;return r=void 0===t&&void 0===n?new Uint8Array(e):void 0===n?new Uint8Array(e,t):new Uint8Array(e,t,n),r.__proto__=o.prototype,r}function h(e){if(o.isBuffer(e)){var t=0|l(e.length),n=r(t);return 0===n.length?n:(e.copy(n,0,0,t),n)}if(e){if(V(e)||"length"in e)return"number"!=typeof e.length||G(e.length)?r(0):f(e);if("Buffer"===e.type&&Array.isArray(e.data))return f(e.data)}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}function l(e){if(e>=X)throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+X.toString(16)+" bytes");return 0|e}function p(e){return+e!=e&&(e=0),o.alloc(+e)}function m(e,t){if(o.isBuffer(e))return e.length;if(V(e)||e instanceof ArrayBuffer)return e.byteLength;"string"!=typeof e&&(e=""+e);var n=e.length;if(0===n)return 0;for(var r=!1;;)switch(t){case"ascii":case"latin1":case"binary":return n;case"utf8":case"utf-8":case void 0:return q(e).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*n;case"hex":return n>>>1;case"base64":return z(e).length;default:if(r)return q(e).length;t=(""+t).toLowerCase(),r=!0}}function g(e,t,n){var r=!1;if((void 0===t||t<0)&&(t=0),t>this.length)return"";if((void 0===n||n>this.length)&&(n=this.length),n<=0)return"";if(n>>>=0,t>>>=0,n<=t)return"";for(e||(e="utf8");;)switch(e){case"hex":return L(this,t,n);case"utf8":case"utf-8":return B(this,t,n);case"ascii":return C(this,t,n);case"latin1":case"binary":return T(this,t,n);case"base64":return I(this,t,n);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return U(this,t,n);default:if(r)throw new TypeError("Unknown encoding: "+e);e=(e+"").toLowerCase(),r=!0}}function y(e,t,n){var r=e[t];e[t]=e[n],e[n]=r}function _(e,t,n,r,i){if(0===e.length)return-1;if("string"==typeof n?(r=n,n=0):n>2147483647?n=2147483647:n<-2147483648&&(n=-2147483648),n=+n,G(n)&&(n=i?0:e.length-1),n<0&&(n=e.length+n),n>=e.length){if(i)return-1;n=e.length-1}else if(n<0){if(!i)return-1;n=0}if("string"==typeof t&&(t=o.from(t,r)),o.isBuffer(t))return 0===t.length?-1:v(e,t,n,r,i);if("number"==typeof t)return t&=255,"function"==typeof Uint8Array.prototype.indexOf?i?Uint8Array.prototype.indexOf.call(e,t,n):Uint8Array.prototype.lastIndexOf.call(e,t,n):v(e,[t],n,r,i);throw new TypeError("val must be string, number or Buffer")}function v(e,t,n,r,o){function i(e,t){return 1===s?e[t]:e.readUInt16BE(t*s)}var s=1,a=e.length,u=t.length;if(void 0!==r&&("ucs2"===(r=String(r).toLowerCase())||"ucs-2"===r||"utf16le"===r||"utf-16le"===r)){if(e.length<2||t.length<2)return-1;s=2,a/=2,u/=2,n/=2}var c;if(o){var f=-1;for(c=n;c<a;c++)if(i(e,c)===i(t,-1===f?0:c-f)){if(-1===f&&(f=c),c-f+1===u)return f*s}else-1!==f&&(c-=c-f),f=-1}else for(n+u>a&&(n=a-u),c=n;c>=0;c--){for(var d=!0,h=0;h<u;h++)if(i(e,c+h)!==i(t,h)){d=!1;break}if(d)return c}return-1}function b(e,t,n,r){n=Number(n)||0;var o=e.length-n;r?(r=Number(r))>o&&(r=o):r=o;var i=t.length;if(i%2!=0)throw new TypeError("Invalid hex string");r>i/2&&(r=i/2);for(var s=0;s<r;++s){var a=parseInt(t.substr(2*s,2),16);if(G(a))return s;e[n+s]=a}return s}function w(e,t,n,r){return F(q(t,e.length-n),e,n,r)}function E(e,t,n,r){return F(D(t),e,n,r)}function k(e,t,n,r){return E(e,t,n,r)}function x(e,t,n,r){return F(z(t),e,n,r)}function S(e,t,n,r){return F(W(t,e.length-n),e,n,r)}function I(e,t,n){return 0===t&&n===e.length?$.fromByteArray(e):$.fromByteArray(e.slice(t,n))}function B(e,t,n){n=Math.min(e.length,n);for(var r=[],o=t;o<n;){var i=e[o],s=null,a=i>239?4:i>223?3:i>191?2:1;if(o+a<=n){var u,c,f,d;switch(a){case 1:i<128&&(s=i);break;case 2:u=e[o+1],128==(192&u)&&(d=(31&i)<<6|63&u)>127&&(s=d);break;case 3:u=e[o+1],c=e[o+2],128==(192&u)&&128==(192&c)&&(d=(15&i)<<12|(63&u)<<6|63&c)>2047&&(d<55296||d>57343)&&(s=d);break;case 4:u=e[o+1],c=e[o+2],f=e[o+3],128==(192&u)&&128==(192&c)&&128==(192&f)&&(d=(15&i)<<18|(63&u)<<12|(63&c)<<6|63&f)>65535&&d<1114112&&(s=d)}}null===s?(s=65533,a=1):s>65535&&(s-=65536,r.push(s>>>10&1023|55296),s=56320|1023&s),r.push(s),o+=a}return A(r)}function A(e){var t=e.length;if(t<=J)return String.fromCharCode.apply(String,e);for(var n="",r=0;r<t;)n+=String.fromCharCode.apply(String,e.slice(r,r+=J));return n}function C(e,t,n){var r="";n=Math.min(e.length,n);for(var o=t;o<n;++o)r+=String.fromCharCode(127&e[o]);return r}function T(e,t,n){var r="";n=Math.min(e.length,n);for(var o=t;o<n;++o)r+=String.fromCharCode(e[o]);return r}function L(e,t,n){var r=e.length;(!t||t<0)&&(t=0),(!n||n<0||n>r)&&(n=r);for(var o="",i=t;i<n;++i)o+=N(e[i]);return o}function U(e,t,n){for(var r=e.slice(t,n),o="",i=0;i<r.length;i+=2)o+=String.fromCharCode(r[i]+256*r[i+1]);return o}function R(e,t,n){if(e%1!=0||e<0)throw new RangeError("offset is not uint");if(e+t>n)throw new RangeError("Trying to access beyond buffer length")}function O(e,t,n,r,i,s){if(!o.isBuffer(e))throw new TypeError('"buffer" argument must be a Buffer instance');if(t>i||t<s)throw new RangeError('"value" argument is out of bounds');if(n+r>e.length)throw new RangeError("Index out of range")}function M(e,t,n,r,o,i){if(n+r>e.length)throw new RangeError("Index out of range");if(n<0)throw new RangeError("Index out of range")}function P(e,t,n,r,o){return t=+t,n>>>=0,o||M(e,t,n,4,3.4028234663852886e38,-3.4028234663852886e38),K.write(e,t,n,r,23,4),n+4}function j(e,t,n,r,o){return t=+t,n>>>=0,o||M(e,t,n,8,1.7976931348623157e308,-1.7976931348623157e308),K.write(e,t,n,r,52,8),n+8}function H(e){if(e=e.trim().replace(Y,""),e.length<2)return"";for(;e.length%4!=0;)e+="=";return e}function N(e){return e<16?"0"+e.toString(16):e.toString(16)}function q(e,t){t=t||1/0;for(var n,r=e.length,o=null,i=[],s=0;s<r;++s){if((n=e.charCodeAt(s))>55295&&n<57344){if(!o){if(n>56319){(t-=3)>-1&&i.push(239,191,189);continue}if(s+1===r){(t-=3)>-1&&i.push(239,191,189);continue}o=n;continue}if(n<56320){(t-=3)>-1&&i.push(239,191,189),o=n;continue}n=65536+(o-55296<<10|n-56320)}else o&&(t-=3)>-1&&i.push(239,191,189);if(o=null,n<128){if((t-=1)<0)break;i.push(n)}else if(n<2048){if((t-=2)<0)break;i.push(n>>6|192,63&n|128)}else if(n<65536){if((t-=3)<0)break;i.push(n>>12|224,n>>6&63|128,63&n|128)}else{if(!(n<1114112))throw new Error("Invalid code point");if((t-=4)<0)break;i.push(n>>18|240,n>>12&63|128,n>>6&63|128,63&n|128)}}return i}function D(e){for(var t=[],n=0;n<e.length;++n)t.push(255&e.charCodeAt(n));return t}function W(e,t){for(var n,r,o,i=[],s=0;s<e.length&&!((t-=2)<0);++s)n=e.charCodeAt(s),r=n>>8,o=n%256,i.push(o),i.push(r);return i}function z(e){return $.toByteArray(H(e))}function F(e,t,n,r){for(var o=0;o<r&&!(o+n>=t.length||o>=e.length);++o)t[o+n]=e[o];return o}function V(e){return"function"==typeof ArrayBuffer.isView&&ArrayBuffer.isView(e)}function G(e){return e!==e}var $=e("base64-js"),K=e("ieee754");n.Buffer=o,n.SlowBuffer=p,n.INSPECT_MAX_BYTES=50;var X=2147483647;n.kMaxLength=X,o.TYPED_ARRAY_SUPPORT=function(){try{var e=new Uint8Array(1);return e.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}},42===e.foo()}catch(e){return!1}}(),o.TYPED_ARRAY_SUPPORT||"undefined"==typeof console||"function"!=typeof console.error||console.error("This browser lacks typed array (Uint8Array) support which is required by `buffer` v5.x. Use `buffer` v4.x if you require old browser support."),"undefined"!=typeof Symbol&&Symbol.species&&o[Symbol.species]===o&&Object.defineProperty(o,Symbol.species,{value:null,configurable:!0,enumerable:!1,writable:!1}),o.poolSize=8192,o.from=function(e,t,n){return i(e,t,n)},o.prototype.__proto__=Uint8Array.prototype,o.__proto__=Uint8Array,o.alloc=function(e,t,n){return a(e,t,n)},o.allocUnsafe=function(e){return u(e)},o.allocUnsafeSlow=function(e){return u(e)},o.isBuffer=function(e){return null!=e&&!0===e._isBuffer},o.compare=function(e,t){if(!o.isBuffer(e)||!o.isBuffer(t))throw new TypeError("Arguments must be Buffers");if(e===t)return 0;for(var n=e.length,r=t.length,i=0,s=Math.min(n,r);i<s;++i)if(e[i]!==t[i]){n=e[i],r=t[i];break}return n<r?-1:r<n?1:0},o.isEncoding=function(e){switch(String(e).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return!0;default:return!1}},o.concat=function(e,t){if(!Array.isArray(e))throw new TypeError('"list" argument must be an Array of Buffers');if(0===e.length)return o.alloc(0);var n;if(void 0===t)for(t=0,n=0;n<e.length;++n)t+=e[n].length;var r=o.allocUnsafe(t),i=0;for(n=0;n<e.length;++n){var s=e[n];if(!o.isBuffer(s))throw new TypeError('"list" argument must be an Array of Buffers');s.copy(r,i),i+=s.length}return r},o.byteLength=m,o.prototype._isBuffer=!0,o.prototype.swap16=function(){var e=this.length;if(e%2!=0)throw new RangeError("Buffer size must be a multiple of 16-bits");for(var t=0;t<e;t+=2)y(this,t,t+1);return this},o.prototype.swap32=function(){var e=this.length;if(e%4!=0)throw new RangeError("Buffer size must be a multiple of 32-bits");for(var t=0;t<e;t+=4)y(this,t,t+3),y(this,t+1,t+2);return this},o.prototype.swap64=function(){var e=this.length;if(e%8!=0)throw new RangeError("Buffer size must be a multiple of 64-bits");for(var t=0;t<e;t+=8)y(this,t,t+7),y(this,t+1,t+6),y(this,t+2,t+5),y(this,t+3,t+4);return this},o.prototype.toString=function(){var e=this.length;return 0===e?"":0===arguments.length?B(this,0,e):g.apply(this,arguments)},o.prototype.equals=function(e){if(!o.isBuffer(e))throw new TypeError("Argument must be a Buffer");return this===e||0===o.compare(this,e)},o.prototype.inspect=function(){var e="",t=n.INSPECT_MAX_BYTES;return this.length>0&&(e=this.toString("hex",0,t).match(/.{2}/g).join(" "),this.length>t&&(e+=" ... ")),"<Buffer "+e+">"},o.prototype.compare=function(e,t,n,r,i){if(!o.isBuffer(e))throw new TypeError("Argument must be a Buffer");if(void 0===t&&(t=0),void 0===n&&(n=e?e.length:0),void 0===r&&(r=0),void 0===i&&(i=this.length),t<0||n>e.length||r<0||i>this.length)throw new RangeError("out of range index");if(r>=i&&t>=n)return 0;if(r>=i)return-1;if(t>=n)return 1;if(t>>>=0,n>>>=0,r>>>=0,i>>>=0,this===e)return 0;for(var s=i-r,a=n-t,u=Math.min(s,a),c=this.slice(r,i),f=e.slice(t,n),d=0;d<u;++d)if(c[d]!==f[d]){s=c[d],a=f[d];break}return s<a?-1:a<s?1:0},o.prototype.includes=function(e,t,n){return-1!==this.indexOf(e,t,n)},o.prototype.indexOf=function(e,t,n){return _(this,e,t,n,!0)},o.prototype.lastIndexOf=function(e,t,n){return _(this,e,t,n,!1)},o.prototype.write=function(e,t,n,r){if(void 0===t)r="utf8",n=this.length,t=0;else if(void 0===n&&"string"==typeof t)r=t,n=this.length,t=0;else{if(!isFinite(t))throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");t>>>=0,isFinite(n)?(n>>>=0,void 0===r&&(r="utf8")):(r=n,n=void 0)}var o=this.length-t;if((void 0===n||n>o)&&(n=o),e.length>0&&(n<0||t<0)||t>this.length)throw new RangeError("Attempt to write outside buffer bounds");r||(r="utf8");for(var i=!1;;)switch(r){case"hex":return b(this,e,t,n);case"utf8":case"utf-8":return w(this,e,t,n);case"ascii":return E(this,e,t,n);case"latin1":case"binary":return k(this,e,t,n);case"base64":return x(this,e,t,n);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return S(this,e,t,n);default:if(i)throw new TypeError("Unknown encoding: "+r);r=(""+r).toLowerCase(),i=!0}},o.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};var J=4096;o.prototype.slice=function(e,t){var n=this.length;e=~~e,t=void 0===t?n:~~t,e<0?(e+=n)<0&&(e=0):e>n&&(e=n),t<0?(t+=n)<0&&(t=0):t>n&&(t=n),t<e&&(t=e);var r=this.subarray(e,t);return r.__proto__=o.prototype,r},o.prototype.readUIntLE=function(e,t,n){e>>>=0,t>>>=0,n||R(e,t,this.length);for(var r=this[e],o=1,i=0;++i<t&&(o*=256);)r+=this[e+i]*o;return r},o.prototype.readUIntBE=function(e,t,n){e>>>=0,t>>>=0,n||R(e,t,this.length);for(var r=this[e+--t],o=1;t>0&&(o*=256);)r+=this[e+--t]*o;return r},o.prototype.readUInt8=function(e,t){return e>>>=0,t||R(e,1,this.length),this[e]},o.prototype.readUInt16LE=function(e,t){return e>>>=0,t||R(e,2,this.length),this[e]|this[e+1]<<8},o.prototype.readUInt16BE=function(e,t){return e>>>=0,t||R(e,2,this.length),this[e]<<8|this[e+1]},o.prototype.readUInt32LE=function(e,t){return e>>>=0,t||R(e,4,this.length),(this[e]|this[e+1]<<8|this[e+2]<<16)+16777216*this[e+3]},o.prototype.readUInt32BE=function(e,t){return e>>>=0,t||R(e,4,this.length),16777216*this[e]+(this[e+1]<<16|this[e+2]<<8|this[e+3])},o.prototype.readIntLE=function(e,t,n){e>>>=0,t>>>=0,n||R(e,t,this.length);for(var r=this[e],o=1,i=0;++i<t&&(o*=256);)r+=this[e+i]*o;return o*=128,r>=o&&(r-=Math.pow(2,8*t)),r},o.prototype.readIntBE=function(e,t,n){e>>>=0,t>>>=0,n||R(e,t,this.length);for(var r=t,o=1,i=this[e+--r];r>0&&(o*=256);)i+=this[e+--r]*o;return o*=128,i>=o&&(i-=Math.pow(2,8*t)),i},o.prototype.readInt8=function(e,t){return e>>>=0,t||R(e,1,this.length),128&this[e]?-1*(255-this[e]+1):this[e]},o.prototype.readInt16LE=function(e,t){e>>>=0,t||R(e,2,this.length);var n=this[e]|this[e+1]<<8;return 32768&n?4294901760|n:n},o.prototype.readInt16BE=function(e,t){e>>>=0,t||R(e,2,this.length);var n=this[e+1]|this[e]<<8;return 32768&n?4294901760|n:n},o.prototype.readInt32LE=function(e,t){return e>>>=0,t||R(e,4,this.length),this[e]|this[e+1]<<8|this[e+2]<<16|this[e+3]<<24},o.prototype.readInt32BE=function(e,t){return e>>>=0,t||R(e,4,this.length),this[e]<<24|this[e+1]<<16|this[e+2]<<8|this[e+3]},o.prototype.readFloatLE=function(e,t){return e>>>=0,t||R(e,4,this.length),K.read(this,e,!0,23,4)},o.prototype.readFloatBE=function(e,t){return e>>>=0,t||R(e,4,this.length),K.read(this,e,!1,23,4)},o.prototype.readDoubleLE=function(e,t){return e>>>=0,t||R(e,8,this.length),K.read(this,e,!0,52,8)},o.prototype.readDoubleBE=function(e,t){return e>>>=0,t||R(e,8,this.length),K.read(this,e,!1,52,8)},o.prototype.writeUIntLE=function(e,t,n,r){if(e=+e,t>>>=0,n>>>=0,!r){O(this,e,t,n,Math.pow(2,8*n)-1,0)}var o=1,i=0;for(this[t]=255&e;++i<n&&(o*=256);)this[t+i]=e/o&255;return t+n},o.prototype.writeUIntBE=function(e,t,n,r){if(e=+e,t>>>=0,n>>>=0,!r){O(this,e,t,n,Math.pow(2,8*n)-1,0)}var o=n-1,i=1;for(this[t+o]=255&e;--o>=0&&(i*=256);)this[t+o]=e/i&255;return t+n},o.prototype.writeUInt8=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,1,255,0),this[t]=255&e,t+1},o.prototype.writeUInt16LE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,2,65535,0),this[t]=255&e,this[t+1]=e>>>8,t+2},o.prototype.writeUInt16BE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,2,65535,0),this[t]=e>>>8,this[t+1]=255&e,t+2},o.prototype.writeUInt32LE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,4,4294967295,0),this[t+3]=e>>>24,this[t+2]=e>>>16,this[t+1]=e>>>8,this[t]=255&e,t+4},o.prototype.writeUInt32BE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,4,4294967295,0),this[t]=e>>>24,this[t+1]=e>>>16,this[t+2]=e>>>8,this[t+3]=255&e,t+4},o.prototype.writeIntLE=function(e,t,n,r){if(e=+e,t>>>=0,!r){var o=Math.pow(2,8*n-1);O(this,e,t,n,o-1,-o)}var i=0,s=1,a=0;for(this[t]=255&e;++i<n&&(s*=256);)e<0&&0===a&&0!==this[t+i-1]&&(a=1),this[t+i]=(e/s>>0)-a&255;return t+n},o.prototype.writeIntBE=function(e,t,n,r){if(e=+e,t>>>=0,!r){var o=Math.pow(2,8*n-1);O(this,e,t,n,o-1,-o)}var i=n-1,s=1,a=0;for(this[t+i]=255&e;--i>=0&&(s*=256);)e<0&&0===a&&0!==this[t+i+1]&&(a=1),this[t+i]=(e/s>>0)-a&255;return t+n},o.prototype.writeInt8=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,1,127,-128),e<0&&(e=255+e+1),this[t]=255&e,t+1},o.prototype.writeInt16LE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,2,32767,-32768),this[t]=255&e,this[t+1]=e>>>8,t+2},o.prototype.writeInt16BE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,2,32767,-32768),this[t]=e>>>8,this[t+1]=255&e,t+2},o.prototype.writeInt32LE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,4,2147483647,-2147483648),this[t]=255&e,this[t+1]=e>>>8,this[t+2]=e>>>16,this[t+3]=e>>>24,t+4},o.prototype.writeInt32BE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,4,2147483647,-2147483648),e<0&&(e=4294967295+e+1),this[t]=e>>>24,this[t+1]=e>>>16,this[t+2]=e>>>8,this[t+3]=255&e,t+4},o.prototype.writeFloatLE=function(e,t,n){return P(this,e,t,!0,n)},o.prototype.writeFloatBE=function(e,t,n){return P(this,e,t,!1,n)},o.prototype.writeDoubleLE=function(e,t,n){return j(this,e,t,!0,n)},o.prototype.writeDoubleBE=function(e,t,n){return j(this,e,t,!1,n)},o.prototype.copy=function(e,t,n,r){if(n||(n=0),r||0===r||(r=this.length),t>=e.length&&(t=e.length),t||(t=0),r>0&&r<n&&(r=n),r===n)return 0;if(0===e.length||0===this.length)return 0;if(t<0)throw new RangeError("targetStart out of bounds");if(n<0||n>=this.length)throw new RangeError("sourceStart out of bounds");if(r<0)throw new RangeError("sourceEnd out of bounds");r>this.length&&(r=this.length),e.length-t<r-n&&(r=e.length-t+n);var o,i=r-n;if(this===e&&n<t&&t<r)for(o=i-1;o>=0;--o)e[o+t]=this[o+n];else if(i<1e3)for(o=0;o<i;++o)e[o+t]=this[o+n];else Uint8Array.prototype.set.call(e,this.subarray(n,n+i),t);return i},o.prototype.fill=function(e,t,n,r){if("string"==typeof e){if("string"==typeof t?(r=t,t=0,n=this.length):"string"==typeof n&&(r=n,n=this.length),1===e.length){var i=e.charCodeAt(0);i<256&&(e=i)}if(void 0!==r&&"string"!=typeof r)throw new TypeError("encoding must be a string");if("string"==typeof r&&!o.isEncoding(r))throw new TypeError("Unknown encoding: "+r)}else"number"==typeof e&&(e&=255);if(t<0||this.length<t||this.length<n)throw new RangeError("Out of range index");if(n<=t)return this;t>>>=0,n=void 0===n?this.length:n>>>0,e||(e=0);var s;if("number"==typeof e)for(s=t;s<n;++s)this[s]=e;else{var a=o.isBuffer(e)?e:new o(e,r),u=a.length;for(s=0;s<n-t;++s)this[s+t]=a[s%u]}return this};var Y=/[^+\/0-9A-Za-z-_]/g},{"base64-js":8,ieee754:39}],25:[function(e,t,n){t.exports={100:"Continue",101:"Switching Protocols",102:"Processing",200:"OK",201:"Created",202:"Accepted",203:"Non-Authoritative Information",204:"No Content",205:"Reset Content",206:"Partial Content",207:"Multi-Status",208:"Already Reported",226:"IM Used",300:"Multiple Choices",301:"Moved Permanently",302:"Found",303:"See Other",304:"Not Modified",305:"Use Proxy",307:"Temporary Redirect",308:"Permanent Redirect",400:"Bad Request",401:"Unauthorized",402:"Payment Required",403:"Forbidden",404:"Not Found",405:"Method Not Allowed",406:"Not Acceptable",407:"Proxy Authentication Required",408:"Request Timeout",409:"Conflict",410:"Gone",411:"Length Required",412:"Precondition Failed",413:"Payload Too Large",414:"URI Too Long",415:"Unsupported Media Type",416:"Range Not Satisfiable",417:"Expectation Failed",418:"I'm a teapot",421:"Misdirected Request",422:"Unprocessable Entity",423:"Locked",424:"Failed Dependency",425:"Unordered Collection",426:"Upgrade Required",428:"Precondition Required",429:"Too Many Requests",431:"Request Header Fields Too Large",451:"Unavailable For Legal Reasons",500:"Internal Server Error",501:"Not Implemented",502:"Bad Gateway",503:"Service Unavailable",504:"Gateway Timeout",505:"HTTP Version Not Supported",506:"Variant Also Negotiates",507:"Insufficient Storage",508:"Loop Detected",509:"Bandwidth Limit Exceeded",510:"Not Extended",511:"Network Authentication Required"}},{}],26:[function(e,t,n){function r(e,t,n){function i(t){a.destroyed||(e.put(u,t),u+=1)}var a=this;if(!(a instanceof r))return new r(e,t,n);if(s.Writable.call(a,n),n||(n={}),!e||!e.put||!e.get)throw new Error("First argument must be an abstract-chunk-store compliant store");if(!(t=Number(t)))throw new Error("Second argument must be a chunk length");a._blockstream=new o(t,{zeroPadding:!1}),a._blockstream.on("data",i).on("error",function(e){a.destroy(e)});var u=0;a.on("finish",function(){this._blockstream.end()})}t.exports=r;var o=e("block-stream2"),i=e("inherits"),s=e("readable-stream");i(r,s.Writable),r.prototype._write=function(e,t,n){this._blockstream.write(e,t,n)},r.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,e&&this.emit("error",e),this.emit("close"))}},{"block-stream2":20,inherits:41,"readable-stream":82}],27:[function(e,t,n){function r(e,t,n){for(var r,i,s,a=1/0,u=0,c=t.length-1;u<=c&&(r=u+(c-u>>1),s=t[r]-e,s<0?u=r+1:s>0&&(c=r-1),s=o(s),s<a&&(a=s,i=r),t[r]!==e););return n?i:t[i]}var o=Math.abs;t.exports=r},{}],28:[function(e,t,n){(function(e){function t(e){return Array.isArray?Array.isArray(e):"[object Array]"===g(e)}function r(e){return"boolean"==typeof e}function o(e){return null===e}function i(e){return null==e}function s(e){return"number"==typeof e}function a(e){return"string"==typeof e}function u(e){return"symbol"==typeof e}function c(e){return void 0===e}function f(e){return"[object RegExp]"===g(e)}function d(e){return"object"==typeof e&&null!==e}function h(e){return"[object Date]"===g(e)}function l(e){return"[object Error]"===g(e)||e instanceof Error}function p(e){return"function"==typeof e}function m(e){return null===e||"boolean"==typeof e||"number"==typeof e||"string"==typeof e||"symbol"==typeof e||void 0===e}function g(e){return Object.prototype.toString.call(e)}n.isArray=t,n.isBoolean=r,n.isNull=o,n.isNullOrUndefined=i,n.isNumber=s,n.isString=a,n.isSymbol=u,n.isUndefined=c,n.isRegExp=f,n.isObject=d,n.isDate=h,n.isError=l,n.isFunction=p,n.isPrimitive=m,n.isBuffer=e.isBuffer}).call(this,{isBuffer:e("../../is-buffer/index.js")})},{"../../is-buffer/index.js":43}],29:[function(e,t,n){(function(n,r,o){function i(e,t,n){if("function"==typeof t)return i(e,null,t);t=t?I(t):{},a(e,t,function(e,r,o){if(e)return n(e);t.singleFileTorrent=o,l(r,t,n)})}function s(e,t,n){if("function"==typeof t)return s(e,null,t);t=t?I(t):{},a(e,t,n)}function a(e,t,r){function i(){O(e.map(function(e){return function(t){var n={};if(m(e))n.getStream=_(e),n.length=e.size;else if(o.isBuffer(e))n.getStream=v(e),n.length=e.length;else{if(!y(e)){if("string"==typeof e){if("function"!=typeof C.stat)throw new Error("filesystem paths do not work in the browser");var r=a>1||c;return void u(e,r,t)}throw new Error("invalid input type")}n.getStream=w(e,n),n.length=0}n.path=e.path,t(null,n)}}),function(e,t){if(e)return r(e);t=A(t),r(null,t,c)})}if(Array.isArray(e)&&0===e.length)throw new Error("invalid input type");g(e)&&(e=Array.prototype.slice.call(e)),Array.isArray(e)||(e=[e]),e=e.map(function(e){return m(e)&&"string"==typeof e.path&&"function"==typeof C.stat?e.path:e}),1!==e.length||"string"==typeof e[0]||e[0].name||(e[0].name=t.name);var s=null;e.forEach(function(t,n){if("string"!=typeof t){var r=t.fullPath||t.name;r||(r="Unknown File "+(n+1),t.unknownName=!0),t.path=r.split("/"),t.path[0]||t.path.shift(),t.path.length<2?s=null:0===n&&e.length>1?s=t.path[0]:t.path[0]!==s&&(s=null)}}),e=e.filter(function(e){if("string"==typeof e)return!0;var t=e.path[e.path.length-1];return d(t)&&L.not(t)}),s&&e.forEach(function(e){var t=(o.isBuffer(e)||y(e))&&!e.path;"string"==typeof e||t||e.path.shift()}),!t.name&&s&&(t.name=s),t.name||e.some(function(e){return"string"==typeof e?(t.name=S.basename(e),!0):e.unknownName?void 0:(t.name=e.path[e.path.length-1],!0)}),t.name||(t.name="Unnamed Torrent "+Date.now());var a=e.reduce(function(e,t){return e+Number("string"==typeof t)},0),c=1===e.length;if(1===e.length&&"string"==typeof e[0]){if("function"!=typeof C.stat)throw new Error("filesystem paths do not work in the browser");T(e[0],function(e,t){if(e)return r(e);c=t,i()})}else n.nextTick(function(){i()})}function u(e,t,n){f(e,c,function(r,o){if(r)return n(r);o=Array.isArray(o)?A(o):[o],e=S.normalize(e),t&&(e=e.slice(0,e.lastIndexOf(S.sep)+1)),e[e.length-1]!==S.sep&&(e+=S.sep),o.forEach(function(t){t.getStream=b(t.path),t.path=t.path.replace(e,"").split(S.sep)}),n(null,o)})}function c(e,t){t=R(t),C.stat(e,function(n,r){if(n)return t(n);var o={length:r.size,path:e};t(null,o)})}function f(e,t,n){C.stat(e,function(r,o){if(r)return n(r);o.isDirectory()?C.readdir(e,function(r,o){if(r)return n(r);O(o.filter(d).filter(L.not).map(function(n){return function(r){f(S.join(e,n),t,r)}}),n)}):o.isFile()&&t(e,n)})}function d(e){return"."!==e[0]}function h(e,t,n){function r(e){f+=e.length;var t=l;M(e,function(e){c[t]=e,h-=1,u()}),h+=1,l+=1}function i(){p=!0,u()}function s(e){a(),n(e)}function a(){m.removeListener("error",s),g.removeListener("data",r),g.removeListener("end",i),g.removeListener("error",s)}function u(){p&&0===h&&(a(),n(null,o.from(c.join(""),"hex"),f))}n=R(n);var c=[],f=0,d=e.map(function(e){return e.getStream}),h=0,l=0,p=!1,m=new U(d),g=new k(t,{zeroPadding:!1});m.on("error",s),m.pipe(g).on("data",r).on("end",i).on("error",s)}function l(e,n,o){var i=n.announceList;i||("string"==typeof n.announce?i=[[n.announce]]:Array.isArray(n.announce)&&(i=n.announce.map(function(e){return[e]}))),i||(i=[]),r.WEBTORRENT_ANNOUNCE&&("string"==typeof r.WEBTORRENT_ANNOUNCE?i.push([[r.WEBTORRENT_ANNOUNCE]]):Array.isArray(r.WEBTORRENT_ANNOUNCE)&&(i=i.concat(r.WEBTORRENT_ANNOUNCE.map(function(e){return[e]})))),void 0===n.announce&&void 0===n.announceList&&(i=i.concat(t.exports.announceList)),"string"==typeof n.urlList&&(n.urlList=[n.urlList]);var s={info:{name:n.name},"creation date":Math.ceil((Number(n.creationDate)||Date.now())/1e3),encoding:"UTF-8"};0!==i.length&&(s.announce=i[0][0],s["announce-list"]=i),void 0!==n.comment&&(s.comment=n.comment),void 0!==n.createdBy&&(s["created by"]=n.createdBy),void 0!==n.private&&(s.info.private=Number(n.private)),void 0!==n.sslCert&&(s.info["ssl-cert"]=n.sslCert),void 0!==n.urlList&&(s["url-list"]=n.urlList);var a=n.pieceLength||x(e.reduce(p,0));s.info["piece length"]=a,h(e,a,function(t,r,i){if(t)return o(t);s.info.pieces=r,e.forEach(function(e){delete e.getStream}),n.singleFileTorrent?s.info.length=i:s.info.files=e,
o(null,E.encode(s))})}function p(e,t){return e+t.length}function m(e){return"undefined"!=typeof Blob&&e instanceof Blob}function g(e){return"undefined"!=typeof FileList&&e instanceof FileList}function y(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}function _(e){return function(){return new B(e)}}function v(e){return function(){var t=new P.PassThrough;return t.end(e),t}}function b(e){return function(){return C.createReadStream(e)}}function w(e,t){return function(){var n=new P.Transform;return n._transform=function(e,n,r){t.length+=e.length,this.push(e),r()},e.pipe(n),n}}t.exports=i,t.exports.parseInput=s,t.exports.announceList=[["udp://tracker.leechers-paradise.org:6969"],["udp://tracker.coppersurfer.tk:6969"],["udp://tracker.opentrackr.org:1337"],["udp://explodie.org:6969"],["udp://tracker.empire-js.us:1337"],["wss://tracker.btorrent.xyz"],["wss://tracker.openwebtorrent.com"],["wss://tracker.fastcast.nz"]];var E=e("bencode"),k=e("block-stream2"),x=e("piece-length"),S=e("path"),I=e("xtend"),B=e("filestream/read"),A=e("flatten"),C=e("fs"),T=e("is-file"),L=e("junk"),U=e("multistream"),R=e("once"),O=e("run-parallel"),M=e("simple-sha1"),P=e("readable-stream")}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},e("buffer").Buffer)},{_process:66,bencode:11,"block-stream2":20,buffer:24,"filestream/read":35,flatten:36,fs:22,"is-file":44,junk:47,multistream:58,once:60,path:63,"piece-length":64,"readable-stream":82,"run-parallel":86,"simple-sha1":92,xtend:119}],30:[function(e,t,n){(function(r){function o(){return!("undefined"==typeof window||!window||void 0===window.process||"renderer"!==window.process.type)||("undefined"!=typeof document&&document&&"WebkitAppearance"in document.documentElement.style||"undefined"!=typeof window&&window&&window.console&&(console.firebug||console.exception&&console.table)||"undefined"!=typeof navigator&&navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31||"undefined"!=typeof navigator&&navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/))}function i(e){var t=this.useColors;if(e[0]=(t?"%c":"")+this.namespace+(t?" %c":" ")+e[0]+(t?"%c ":" ")+"+"+n.humanize(this.diff),t){var r="color: "+this.color;e.splice(1,0,r,"color: inherit");var o=0,i=0;e[0].replace(/%[a-zA-Z%]/g,function(e){"%%"!==e&&(o++,"%c"===e&&(i=o))}),e.splice(i,0,r)}}function s(){return"object"==typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function a(e){try{null==e?n.storage.removeItem("debug"):n.storage.debug=e}catch(e){}}function u(){var e;try{e=n.storage.debug}catch(e){}return!e&&void 0!==r&&"env"in r&&(e=r.env.DEBUG),e}n=t.exports=e("./debug"),n.log=s,n.formatArgs=i,n.save=a,n.load=u,n.useColors=o,n.storage="undefined"!=typeof chrome&&void 0!==chrome.storage?chrome.storage.local:function(){try{return window.localStorage}catch(e){}}(),n.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"],n.formatters.j=function(e){try{return JSON.stringify(e)}catch(e){return"[UnexpectedJSONParseError]: "+e.message}},n.enable(u())}).call(this,e("_process"))},{"./debug":31,_process:66}],31:[function(e,t,n){function r(e){var t,r=0;for(t in e)r=(r<<5)-r+e.charCodeAt(t),r|=0;return n.colors[Math.abs(r)%n.colors.length]}function o(e){function t(){if(t.enabled){var e=t,r=+new Date,o=r-(c||r);e.diff=o,e.prev=c,e.curr=r,c=r;for(var i=new Array(arguments.length),s=0;s<i.length;s++)i[s]=arguments[s];i[0]=n.coerce(i[0]),"string"!=typeof i[0]&&i.unshift("%O");var a=0;i[0]=i[0].replace(/%([a-zA-Z%])/g,function(t,r){if("%%"===t)return t;a++;var o=n.formatters[r];if("function"==typeof o){var s=i[a];t=o.call(e,s),i.splice(a,1),a--}return t}),n.formatArgs.call(e,i);(t.log||n.log||console.log.bind(console)).apply(e,i)}}return t.namespace=e,t.enabled=n.enabled(e),t.useColors=n.useColors(),t.color=r(e),"function"==typeof n.init&&n.init(t),t}function i(e){n.save(e),n.names=[],n.skips=[];for(var t=(e||"").split(/[\s,]+/),r=t.length,o=0;o<r;o++)t[o]&&(e=t[o].replace(/\*/g,".*?"),"-"===e[0]?n.skips.push(new RegExp("^"+e.substr(1)+"$")):n.names.push(new RegExp("^"+e+"$")))}function s(){n.enable("")}function a(e){var t,r;for(t=0,r=n.skips.length;t<r;t++)if(n.skips[t].test(e))return!1;for(t=0,r=n.names.length;t<r;t++)if(n.names[t].test(e))return!0;return!1}function u(e){return e instanceof Error?e.stack||e.message:e}n=t.exports=o.debug=o.default=o,n.coerce=u,n.disable=s,n.enable=i,n.enabled=a,n.humanize=e("ms"),n.names=[],n.skips=[],n.formatters={};var c},{ms:57}],32:[function(e,t,n){t.exports=function(){for(var e=0;e<arguments.length;e++)if(void 0!==arguments[e])return arguments[e]}},{}],33:[function(e,t,n){var r=e("once"),o=function(){},i=function(e){return e.setHeader&&"function"==typeof e.abort},s=function(e){return e.stdio&&Array.isArray(e.stdio)&&3===e.stdio.length},a=function(e,t,n){if("function"==typeof t)return a(e,null,t);t||(t={}),n=r(n||o);var u=e._writableState,c=e._readableState,f=t.readable||!1!==t.readable&&e.readable,d=t.writable||!1!==t.writable&&e.writable,h=function(){e.writable||l()},l=function(){d=!1,f||n.call(e)},p=function(){f=!1,d||n.call(e)},m=function(t){n.call(e,t?new Error("exited with error code: "+t):null)},g=function(){return(!f||c&&c.ended)&&(!d||u&&u.ended)?void 0:n.call(e,new Error("premature close"))},y=function(){e.req.on("finish",l)};return i(e)?(e.on("complete",l),e.on("abort",g),e.req?y():e.on("request",y)):d&&!u&&(e.on("end",h),e.on("close",h)),s(e)&&e.on("exit",m),e.on("end",p),e.on("finish",l),!1!==t.error&&e.on("error",n),e.on("close",g),function(){e.removeListener("complete",l),e.removeListener("abort",g),e.removeListener("request",y),e.req&&e.req.removeListener("finish",l),e.removeListener("end",h),e.removeListener("close",h),e.removeListener("finish",l),e.removeListener("exit",m),e.removeListener("end",p),e.removeListener("error",n),e.removeListener("close",g)}};t.exports=a},{once:60}],34:[function(e,t,n){function r(){this._events=this._events||{},this._maxListeners=this._maxListeners||void 0}function o(e){return"function"==typeof e}function i(e){return"number"==typeof e}function s(e){return"object"==typeof e&&null!==e}function a(e){return void 0===e}t.exports=r,r.EventEmitter=r,r.prototype._events=void 0,r.prototype._maxListeners=void 0,r.defaultMaxListeners=10,r.prototype.setMaxListeners=function(e){if(!i(e)||e<0||isNaN(e))throw TypeError("n must be a positive number");return this._maxListeners=e,this},r.prototype.emit=function(e){var t,n,r,i,u,c;if(this._events||(this._events={}),"error"===e&&(!this._events.error||s(this._events.error)&&!this._events.error.length)){if((t=arguments[1])instanceof Error)throw t;var f=new Error('Uncaught, unspecified "error" event. ('+t+")");throw f.context=t,f}if(n=this._events[e],a(n))return!1;if(o(n))switch(arguments.length){case 1:n.call(this);break;case 2:n.call(this,arguments[1]);break;case 3:n.call(this,arguments[1],arguments[2]);break;default:i=Array.prototype.slice.call(arguments,1),n.apply(this,i)}else if(s(n))for(i=Array.prototype.slice.call(arguments,1),c=n.slice(),r=c.length,u=0;u<r;u++)c[u].apply(this,i);return!0},r.prototype.addListener=function(e,t){var n;if(!o(t))throw TypeError("listener must be a function");return this._events||(this._events={}),this._events.newListener&&this.emit("newListener",e,o(t.listener)?t.listener:t),this._events[e]?s(this._events[e])?this._events[e].push(t):this._events[e]=[this._events[e],t]:this._events[e]=t,s(this._events[e])&&!this._events[e].warned&&(n=a(this._maxListeners)?r.defaultMaxListeners:this._maxListeners)&&n>0&&this._events[e].length>n&&(this._events[e].warned=!0,console.error("(node) warning: possible EventEmitter memory leak detected. %d listeners added. Use emitter.setMaxListeners() to increase limit.",this._events[e].length),"function"==typeof console.trace&&console.trace()),this},r.prototype.on=r.prototype.addListener,r.prototype.once=function(e,t){function n(){this.removeListener(e,n),r||(r=!0,t.apply(this,arguments))}if(!o(t))throw TypeError("listener must be a function");var r=!1;return n.listener=t,this.on(e,n),this},r.prototype.removeListener=function(e,t){var n,r,i,a;if(!o(t))throw TypeError("listener must be a function");if(!this._events||!this._events[e])return this;if(n=this._events[e],i=n.length,r=-1,n===t||o(n.listener)&&n.listener===t)delete this._events[e],this._events.removeListener&&this.emit("removeListener",e,t);else if(s(n)){for(a=i;a-- >0;)if(n[a]===t||n[a].listener&&n[a].listener===t){r=a;break}if(r<0)return this;1===n.length?(n.length=0,delete this._events[e]):n.splice(r,1),this._events.removeListener&&this.emit("removeListener",e,t)}return this},r.prototype.removeAllListeners=function(e){var t,n;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[e]&&delete this._events[e],this;if(0===arguments.length){for(t in this._events)"removeListener"!==t&&this.removeAllListeners(t);return this.removeAllListeners("removeListener"),this._events={},this}if(n=this._events[e],o(n))this.removeListener(e,n);else if(n)for(;n.length;)this.removeListener(e,n[n.length-1]);return delete this._events[e],this},r.prototype.listeners=function(e){return this._events&&this._events[e]?o(this._events[e])?[this._events[e]]:this._events[e].slice():[]},r.prototype.listenerCount=function(e){if(this._events){var t=this._events[e];if(o(t))return 1;if(t)return t.length}return 0},r.listenerCount=function(e,t){return e.listenerCount(t)}},{}],35:[function(e,t,n){function r(e,t){var n=this;if(!(this instanceof r))return new r(e,t);t=t||{},o.call(this,t),this._offset=0,this._ready=!1,this._file=e,this._size=e.size,this._chunkSize=t.chunkSize||Math.max(this._size/1e3,204800),this.reader=new FileReader,this._generateHeaderBlocks(e,t,function(e,t){if(e)return n.emit("error",e);Array.isArray(t)&&t.forEach(function(e){n.push(e)}),n._ready=!0,n.emit("_ready")})}var o=e("readable-stream").Readable,i=e("inherits"),s=e("typedarray-to-buffer");i(r,o),t.exports=r,r.prototype._generateHeaderBlocks=function(e,t,n){n(null,[])},r.prototype._read=function(){if(!this._ready)return void this.once("_ready",this._read.bind(this));var e=this,t=this.reader,n=this._offset,r=this._offset+this._chunkSize;if(r>this._size&&(r=this._size),n===this._size)return this.destroy(),void this.push(null);t.onload=function(){e._offset=r,e.push(s(t.result))},t.onerror=function(){e.emit("error",t.error)},t.readAsArrayBuffer(this._file.slice(n,r))},r.prototype.destroy=function(){if(this._file=null,this.reader){this.reader.onload=null,this.reader.onerror=null;try{this.reader.abort()}catch(e){}}this.reader=null}},{inherits:41,"readable-stream":82,"typedarray-to-buffer":108}],36:[function(e,t,n){t.exports=function(e,t){function n(e,r){return e.reduce(function(e,o){return Array.isArray(o)&&r<t?e.concat(n(o,r+1)):e.concat(o)},[])}return t="number"==typeof t?t:1/0,t?n(e,1):Array.isArray(e)?e.map(function(e){return e}):e}},{}],37:[function(e,t,n){t.exports=function(){if("undefined"==typeof window)return null;var e={RTCPeerConnection:window.RTCPeerConnection||window.mozRTCPeerConnection||window.webkitRTCPeerConnection,RTCSessionDescription:window.RTCSessionDescription||window.mozRTCSessionDescription||window.webkitRTCSessionDescription,RTCIceCandidate:window.RTCIceCandidate||window.mozRTCIceCandidate||window.webkitRTCIceCandidate};return e.RTCPeerConnection?e:null}},{}],38:[function(e,t,n){function r(e){if("string"==typeof e&&(e=i.parse(e)),e.protocol||(e.protocol="https:"),"https:"!==e.protocol)throw new Error('Protocol "'+e.protocol+'" not supported. Expected "https:"');return e}var o=e("http"),i=e("url"),s=t.exports;for(var a in o)o.hasOwnProperty(a)&&(s[a]=o[a]);s.request=function(e,t){return e=r(e),o.request.call(this,e,t)},s.get=function(e,t){return e=r(e),o.get.call(this,e,t)}},{http:95,url:112}],39:[function(e,t,n){n.read=function(e,t,n,r,o){var i,s,a=8*o-r-1,u=(1<<a)-1,c=u>>1,f=-7,d=n?o-1:0,h=n?-1:1,l=e[t+d];for(d+=h,i=l&(1<<-f)-1,l>>=-f,f+=a;f>0;i=256*i+e[t+d],d+=h,f-=8);for(s=i&(1<<-f)-1,i>>=-f,f+=r;f>0;s=256*s+e[t+d],d+=h,f-=8);if(0===i)i=1-c;else{if(i===u)return s?NaN:1/0*(l?-1:1);s+=Math.pow(2,r),i-=c}return(l?-1:1)*s*Math.pow(2,i-r)},n.write=function(e,t,n,r,o,i){var s,a,u,c=8*i-o-1,f=(1<<c)-1,d=f>>1,h=23===o?Math.pow(2,-24)-Math.pow(2,-77):0,l=r?0:i-1,p=r?1:-1,m=t<0||0===t&&1/t<0?1:0;for(t=Math.abs(t),isNaN(t)||t===1/0?(a=isNaN(t)?1:0,s=f):(s=Math.floor(Math.log(t)/Math.LN2),t*(u=Math.pow(2,-s))<1&&(s--,u*=2),t+=s+d>=1?h/u:h*Math.pow(2,1-d),t*u>=2&&(s++,u/=2),s+d>=f?(a=0,s=f):s+d>=1?(a=(t*u-1)*Math.pow(2,o),s+=d):(a=t*Math.pow(2,d-1)*Math.pow(2,o),s=0));o>=8;e[n+l]=255&a,l+=p,a/=256,o-=8);for(s=s<<o|a,c+=o;c>0;e[n+l]=255&s,l+=p,s/=256,c-=8);e[n+l-p]|=128*m}},{}],40:[function(e,t,n){(function(e){function n(e){if(!(this instanceof n))return new n(e);if(this.store=e,this.chunkLength=e.chunkLength,!this.store||!this.store.get||!this.store.put)throw new Error("First argument must be abstract-chunk-store compliant");this.mem=[]}function r(t,n,r){e.nextTick(function(){t&&t(n,r)})}t.exports=n,n.prototype.put=function(e,t,n){var r=this;r.mem[e]=t,r.store.put(e,t,function(t){r.mem[e]=null,n&&n(t)})},n.prototype.get=function(e,t,n){if("function"==typeof t)return this.get(e,null,t);var o=t&&t.offset||0,i=t&&t.length&&o+t.length,s=this.mem[e];if(s)return r(n,null,t?s.slice(o,i):s);this.store.get(e,t,n)},n.prototype.close=function(e){this.store.close(e)},n.prototype.destroy=function(e){this.store.destroy(e)}}).call(this,e("_process"))},{_process:66}],41:[function(e,t,n){"function"==typeof Object.create?t.exports=function(e,t){e.super_=t,e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}})}:t.exports=function(e,t){e.super_=t;var n=function(){};n.prototype=t.prototype,e.prototype=new n,e.prototype.constructor=e}},{}],42:[function(e,t,n){t.exports=function(e){for(var t=0,n=e.length;t<n;++t)if(e.charCodeAt(t)>127)return!1;return!0}},{}],43:[function(e,t,n){function r(e){return!!e.constructor&&"function"==typeof e.constructor.isBuffer&&e.constructor.isBuffer(e)}function o(e){return"function"==typeof e.readFloatLE&&"function"==typeof e.slice&&r(e.slice(0,0))}t.exports=function(e){return null!=e&&(r(e)||o(e)||!!e._isBuffer)}},{}],44:[function(e,t,n){"use strict";function r(e){return o.existsSync(e)&&o.statSync(e).isFile()}var o=e("fs");t.exports=function(e,t){if(!t)return r(e);o.stat(e,function(e,n){return e?t(e):t(null,n.isFile())})},t.exports.sync=r},{fs:22}],45:[function(e,t,n){function r(e){return o(e)||i(e)}function o(e){return e instanceof Int8Array||e instanceof Int16Array||e instanceof Int32Array||e instanceof Uint8Array||e instanceof Uint8ClampedArray||e instanceof Uint16Array||e instanceof Uint32Array||e instanceof Float32Array||e instanceof Float64Array}function i(e){return a[s.call(e)]}t.exports=r,r.strict=o,r.loose=i;var s=Object.prototype.toString,a={"[object Int8Array]":!0,"[object Int16Array]":!0,"[object Int32Array]":!0,"[object Uint8Array]":!0,"[object Uint8ClampedArray]":!0,"[object Uint16Array]":!0,"[object Uint32Array]":!0,"[object Float32Array]":!0,"[object Float64Array]":!0}},{}],46:[function(e,t,n){var r={}.toString;t.exports=Array.isArray||function(e){return"[object Array]"==r.call(e)}},{}],47:[function(e,t,n){"use strict";n.re=/^npm-debug\.log$|^\..*\.swp$|^\.DS_Store$|^\.AppleDouble$|^\.LSOverride$|^Icon\r$|^\._.*|^\.Spotlight-V100$|\.Trashes|^__MACOSX$|~$|^Thumbs\.db$|^ehthumbs\.db$|^Desktop\.ini$/,n.is=function(e){return n.re.test(e)},n.not=n.isnt=function(e){return!n.is(e)}},{}],48:[function(e,t,n){(function(n){function r(e){var t={},r=e.split("magnet:?")[1];(r&&r.length>=0?r.split("&"):[]).forEach(function(e){var n=e.split("=");if(2===n.length){var r=n[0],o=n[1];if("dn"===r&&(o=decodeURIComponent(o).replace(/\+/g," ")),"tr"!==r&&"xs"!==r&&"as"!==r&&"ws"!==r||(o=decodeURIComponent(o)),"kt"===r&&(o=decodeURIComponent(o).split("+")),"ix"===r&&(o=Number(o)),t[r])if(Array.isArray(t[r]))t[r].push(o);else{var i=t[r];t[r]=[i,o]}else t[r]=o}});var o;if(t.xt){(Array.isArray(t.xt)?t.xt:[t.xt]).forEach(function(e){if(o=e.match(/^urn:btih:(.{40})/))t.infoHash=o[1].toLowerCase();else if(o=e.match(/^urn:btih:(.{32})/)){var r=i.decode(o[1]);t.infoHash=n.from(r,"binary").toString("hex")}})}return t.infoHash&&(t.infoHashBuffer=n.from(t.infoHash,"hex")),t.dn&&(t.name=t.dn),t.kt&&(t.keywords=t.kt),"string"==typeof t.tr?t.announce=[t.tr]:Array.isArray(t.tr)?t.announce=t.tr:t.announce=[],t.urlList=[],("string"==typeof t.as||Array.isArray(t.as))&&(t.urlList=t.urlList.concat(t.as)),("string"==typeof t.ws||Array.isArray(t.ws))&&(t.urlList=t.urlList.concat(t.ws)),a(t.announce),a(t.urlList),t}function o(e){e=s(e),e.infoHashBuffer&&(e.xt="urn:btih:"+e.infoHashBuffer.toString("hex")),e.infoHash&&(e.xt="urn:btih:"+e.infoHash),e.name&&(e.dn=e.name),e.keywords&&(e.kt=e.keywords),e.announce&&(e.tr=e.announce),e.urlList&&(e.ws=e.urlList,delete e.as);var t="magnet:?";return Object.keys(e).filter(function(e){return 2===e.length}).forEach(function(n,r){(Array.isArray(e[n])?e[n]:[e[n]]).forEach(function(e,o){!(r>0||o>0)||"kt"===n&&0!==o||(t+="&"),"dn"===n&&(e=encodeURIComponent(e).replace(/%20/g,"+")),"tr"!==n&&"xs"!==n&&"as"!==n&&"ws"!==n||(e=encodeURIComponent(e)),"kt"===n&&(e=encodeURIComponent(e)),t+="kt"===n&&o>0?"+"+e:n+"="+e})}),t}t.exports=r,t.exports.decode=r,t.exports.encode=o;var i=e("thirty-two"),s=e("xtend"),a=e("uniq")}).call(this,e("buffer").Buffer)},{buffer:24,"thirty-two":103,uniq:110,xtend:119}],49:[function(e,t,n){function r(e,t){var n=this;if(!(n instanceof r))return new r(e,t);if(!u)throw new Error("web browser lacks MediaSource support");t||(t={}),n._bufferDuration=t.bufferDuration||c,n._elem=e,n._mediaSource=new u,n._streams=[],n.detailedError=null,n._errorHandler=function(){n._elem.removeEventListener("error",n._errorHandler),n._streams.slice().forEach(function(e){e.destroy(n._elem.error)})},n._elem.addEventListener("error",n._errorHandler),n._elem.src=window.URL.createObjectURL(n._mediaSource)}function o(e,t){var n=this;if(s.Writable.call(n),n._wrapper=e,n._elem=e._elem,n._mediaSource=e._mediaSource,n._allStreams=e._streams,n._allStreams.push(n),n._bufferDuration=e._bufferDuration,n._sourceBuffer=null,n._openHandler=function(){n._onSourceOpen()},n._flowHandler=function(){n._flow()},"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)throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function");t.destroy(),n._type=t._type,n._sourceBuffer=t._sourceBuffer,n._sourceBuffer.addEventListener("updateend",n._flowHandler)}n._elem.addEventListener("timeupdate",n._flowHandler),n.on("error",function(e){n._wrapper.error(e)}),n.on("finish",function(){if(!n.destroyed&&(n._finished=!0,n._allStreams.every(function(e){return e._finished})))try{n._mediaSource.endOfStream()}catch(e){}})}t.exports=r;var i=e("inherits"),s=e("readable-stream"),a=e("to-arraybuffer"),u="undefined"!=typeof window&&window.MediaSource,c=60;r.prototype.createWriteStream=function(e){return new o(this,e)},r.prototype.error=function(e){var t=this;t.detailedError||(t.detailedError=e);try{t._mediaSource.endOfStream("decode")}catch(e){}},i(o,s.Writable),o.prototype._onSourceOpen=function(){var e=this;e.destroyed||(e._mediaSource.removeEventListener("sourceopen",e._openHandler),e._createSourceBuffer())},o.prototype.destroy=function(e){var t=this;t.destroyed||(t.destroyed=!0,t._allStreams.splice(t._allStreams.indexOf(t),1),t._mediaSource.removeEventListener("sourceopen",t._openHandler),t._elem.removeEventListener("timeupdate",t._flowHandler),t._sourceBuffer&&(t._sourceBuffer.removeEventListener("updateend",t._flowHandler),"open"===t._mediaSource.readyState&&t._sourceBuffer.abort()),e&&t.emit("error",e),t.emit("close"))},o.prototype._createSourceBuffer=function(){var e=this;if(!e.destroyed)if(u.isTypeSupported(e._type)){if(e._sourceBuffer=e._mediaSource.addSourceBuffer(e._type),e._sourceBuffer.addEventListener("updateend",e._flowHandler),e._cb){var t=e._cb;e._cb=null,t()}}else e.destroy(new Error("The provided type is not supported"))},o.prototype._write=function(e,t,n){var r=this;if(!r.destroyed){if(!r._sourceBuffer)return void(r._cb=function(o){if(o)return n(o);r._write(e,t,n)});if(r._sourceBuffer.updating)return n(new Error("Cannot append buffer while source buffer updating"));try{r._sourceBuffer.appendBuffer(a(e))}catch(e){return void r.destroy(e)}r._cb=n}},o.prototype._flow=function(){var e=this;if(!e.destroyed&&e._sourceBuffer&&!e._sourceBuffer.updating&&!("open"===e._mediaSource.readyState&&e._getBufferDuration()>e._bufferDuration)&&e._cb){var t=e._cb;e._cb=null,t()}};o.prototype._getBufferDuration=function(){for(var e=this,t=e._sourceBuffer.buffered,n=e._elem.currentTime,r=-1,o=0;o<t.length;o++){var i=t.start(o),s=t.end(o)+0;if(i>n)break;(r>=0||n<=s)&&(r=s)}var a=r-n;return a<0&&(a=0),a}},{inherits:41,"readable-stream":82,"to-arraybuffer":105}],50:[function(e,t,n){(function(e){function n(e,t){if(!(this instanceof n))return new n(e,t);if(t||(t={}),this.chunkLength=Number(e),!this.chunkLength)throw new Error("First argument must be a chunk length");this.chunks=[],this.closed=!1,this.length=Number(t.length)||1/0,this.length!==1/0&&(this.lastChunkLength=this.length%this.chunkLength||this.chunkLength,this.lastChunkIndex=Math.ceil(this.length/this.chunkLength)-1)}function r(t,n,r){e.nextTick(function(){t&&t(n,r)})}t.exports=n,n.prototype.put=function(e,t,n){if(this.closed)return r(n,new Error("Storage is closed"));var o=e===this.lastChunkIndex;return o&&t.length!==this.lastChunkLength?r(n,new Error("Last chunk length must be "+this.lastChunkLength)):o||t.length===this.chunkLength?(this.chunks[e]=t,void r(n,null)):r(n,new Error("Chunk length must be "+this.chunkLength))},n.prototype.get=function(e,t,n){if("function"==typeof t)return this.get(e,null,t);if(this.closed)return r(n,new Error("Storage is closed"));var o=this.chunks[e];if(!o)return r(n,new Error("Chunk not found"));if(!t)return r(n,null,o);var i=t.offset||0,s=t.length||o.length-i;r(n,null,o.slice(i,s+i))},n.prototype.close=n.prototype.destroy=function(e){if(this.closed)return r(e,new Error("Storage is closed"));this.closed=!0,this.chunks=null,r(e,null)}}).call(this,e("_process"))},{_process:66}],51:[function(e,t,n){(function(t){function r(e,t,n){for(var r=t;r<n;r++)e[r]=0}function o(e,t,n){t.writeUInt32BE(Math.floor((e.getTime()+g)/1e3),n)}function i(e,t,n){t.writeUInt16BE(Math.floor(e)%65536,n),t.writeUInt16BE(Math.floor(256*e*256)%65536,n+2)}function s(e,t,n){t[n]=Math.floor(e)%256,t[n+1]=Math.floor(256*e)%256}function a(e,t,n){e||(e=[0,0,0,0,0,0,0,0,0]);for(var r=0;r<e.length;r++)i(e[r],t,n+4*r)}function u(e,n,r){var o=new t(e,"utf8");o.copy(n,r),n[r+o.length]=0}function c(e){for(var t=new Array(e.length/4),n=0;n<t.length;n++)t[n]=d(e,4*n);return t}function f(e,t){return new Date(1e3*e.readUInt32BE(t)-g)}function d(e,t){return e.readUInt16BE(t)+e.readUInt16BE(t+2)/65536}function h(e,t){return e[t]+e[t+1]/256}function l(e,t,n){var r;for(r=0;r<n&&0!==e[t+r];r++);return e.toString("utf8",t,t+r)}var p=e("./index"),m=e("./descriptor"),g=20828448e5;n.fullBoxes={},["mvhd","tkhd","mdhd","vmhd","smhd","stsd","esds","stsz","stco","stss","stts","ctts","stsc","dref","elst","hdlr","mehd","trex","mfhd","tfhd","tfdt","trun"].forEach(function(e){n.fullBoxes[e]=!0}),n.ftyp={},n.ftyp.encode=function(e,r,o){r=r?r.slice(o):new t(n.ftyp.encodingLength(e));var i=e.compatibleBrands||[];r.write(e.brand,0,4,"ascii"),r.writeUInt32BE(e.brandVersion,4);for(var s=0;s<i.length;s++)r.write(i[s],8+4*s,4,"ascii");return n.ftyp.encode.bytes=8+4*i.length,r},n.ftyp.decode=function(e,t){e=e.slice(t);for(var n=e.toString("ascii",0,4),r=e.readUInt32BE(4),o=[],i=8;i<e.length;i+=4)o.push(e.toString("ascii",i,i+4));return{brand:n,brandVersion:r,compatibleBrands:o}},n.ftyp.encodingLength=function(e){return 8+4*(e.compatibleBrands||[]).length},n.mvhd={},n.mvhd.encode=function(e,u,c){return u=u?u.slice(c):new t(96),o(e.ctime||new Date,u,0),o(e.mtime||new Date,u,4),u.writeUInt32BE(e.timeScale||0,8),u.writeUInt32BE(e.duration||0,12),i(e.preferredRate||0,u,16),s(e.preferredVolume||0,u,20),r(u,22,32),a(e.matrix,u,32),u.writeUInt32BE(e.previewTime||0,68),u.writeUInt32BE(e.previewDuration||0,72),u.writeUInt32BE(e.posterTime||0,76),u.writeUInt32BE(e.selectionTime||0,80),u.writeUInt32BE(e.selectionDuration||0,84),u.writeUInt32BE(e.currentTime||0,88),u.writeUInt32BE(e.nextTrackId||0,92),n.mvhd.encode.bytes=96,u},n.mvhd.decode=function(e,t){return e=e.slice(t),{ctime:f(e,0),mtime:f(e,4),timeScale:e.readUInt32BE(8),duration:e.readUInt32BE(12),preferredRate:d(e,16),preferredVolume:h(e,20),matrix:c(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(e){return 96},n.tkhd={},n.tkhd.encode=function(e,i,s){return i=i?i.slice(s):new t(80),o(e.ctime||new Date,i,0),o(e.mtime||new Date,i,4),i.writeUInt32BE(e.trackId||0,8),r(i,12,16),i.writeUInt32BE(e.duration||0,16),r(i,20,28),i.writeUInt16BE(e.layer||0,28),i.writeUInt16BE(e.alternateGroup||0,30),i.writeUInt16BE(e.volume||0,32),a(e.matrix,i,36),i.writeUInt32BE(e.trackWidth||0,72),i.writeUInt32BE(e.trackHeight||0,76),n.tkhd.encode.bytes=80,i},n.tkhd.decode=function(e,t){return e=e.slice(t),{ctime:f(e,0),mtime:f(e,4),trackId:e.readUInt32BE(8),duration:e.readUInt32BE(16),layer:e.readUInt16BE(28),alternateGroup:e.readUInt16BE(30),volume:e.readUInt16BE(32),matrix:c(e.slice(36,72)),trackWidth:e.readUInt32BE(72),trackHeight:e.readUInt32BE(76)}},n.tkhd.encodingLength=function(e){return 80},n.mdhd={},n.mdhd.encode=function(e,r,i){return r=r?r.slice(i):new t(20),o(e.ctime||new Date,r,0),o(e.mtime||new Date,r,4),r.writeUInt32BE(e.timeScale||0,8),r.writeUInt32BE(e.duration||0,12),r.writeUInt16BE(e.language||0,16),r.writeUInt16BE(e.quality||0,18),n.mdhd.encode.bytes=20,r},n.mdhd.decode=function(e,t){return e=e.slice(t),{ctime:f(e,0),mtime:f(e,4),timeScale:e.readUInt32BE(8),duration:e.readUInt32BE(12),language:e.readUInt16BE(16),quality:e.readUInt16BE(18)}},n.mdhd.encodingLength=function(e){return 20},n.vmhd={},n.vmhd.encode=function(e,r,o){r=r?r.slice(o):new t(8),r.writeUInt16BE(e.graphicsMode||0,0);var i=e.opcolor||[0,0,0];return r.writeUInt16BE(i[0],2),r.writeUInt16BE(i[1],4),r.writeUInt16BE(i[2],6),n.vmhd.encode.bytes=8,r},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(e){return 8},n.smhd={},n.smhd.encode=function(e,o,i){return o=o?o.slice(i):new t(4),o.writeUInt16BE(e.balance||0,0),r(o,2,4),n.smhd.encode.bytes=4,o},n.smhd.decode=function(e,t){return e=e.slice(t),{balance:e.readUInt16BE(0)}},n.smhd.encodingLength=function(e){return 4},n.stsd={},n.stsd.encode=function(e,r,o){r=r?r.slice(o):new t(n.stsd.encodingLength(e));var i=e.entries||[];r.writeUInt32BE(i.length,0);for(var s=4,a=0;a<i.length;a++){var u=i[a];p.encode(u,r,s),s+=p.encode.bytes}return n.stsd.encode.bytes=s,r},n.stsd.decode=function(e,t,n){e=e.slice(t);for(var r=e.readUInt32BE(0),o=new Array(r),i=4,s=0;s<r;s++){var a=p.decode(e,i,n);o[s]=a,i+=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+=p.encodingLength(e.entries[n]);return t},n.avc1=n.VisualSampleEntry={},n.VisualSampleEntry.encode=function(e,o,i){o=o?o.slice(i):new t(n.VisualSampleEntry.encodingLength(e)),r(o,0,6),o.writeUInt16BE(e.dataReferenceIndex||0,6),r(o,8,24),o.writeUInt16BE(e.width||0,24),o.writeUInt16BE(e.height||0,26),o.writeUInt32BE(e.hResolution||4718592,28),o.writeUInt32BE(e.vResolution||4718592,32),r(o,36,40),o.writeUInt16BE(e.frameCount||1,40);var s=e.compressorName||"",a=Math.min(s.length,31);o.writeUInt8(a,42),o.write(s,43,a,"utf8"),o.writeUInt16BE(e.depth||24,74),o.writeInt16BE(-1,76);var u=78;(e.children||[]).forEach(function(e){p.encode(e,o,u),u+=p.encode.bytes}),n.VisualSampleEntry.encode.bytes=u},n.VisualSampleEntry.decode=function(e,t,n){e=e.slice(t);for(var r=n-t,o=Math.min(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;r-s>=8;){var a=p.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;return(e.children||[]).forEach(function(e){t+=p.encodingLength(e)}),t},n.avcC={},n.avcC.encode=function(e,r,o){r=r?r.slice(o):t(e.buffer.length),e.buffer.copy(r),n.avcC.encode.bytes=e.buffer.length},n.avcC.decode=function(e,n,r){return e=e.slice(n,r),{mimeCodec:e.toString("hex",1,4),buffer:new t(e)}},n.avcC.encodingLength=function(e){return e.buffer.length},n.mp4a=n.AudioSampleEntry={},n.AudioSampleEntry.encode=function(e,o,i){o=o?o.slice(i):new t(n.AudioSampleEntry.encodingLength(e)),r(o,0,6),o.writeUInt16BE(e.dataReferenceIndex||0,6),r(o,8,16),o.writeUInt16BE(e.channelCount||2,16),o.writeUInt16BE(e.sampleSize||16,18),r(o,20,24),o.writeUInt32BE(e.sampleRate||0,24);var s=28;(e.children||[]).forEach(function(e){p.encode(e,o,s),s+=p.encode.bytes}),n.AudioSampleEntry.encode.bytes=s},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;r-i>=8;){var s=p.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;return(e.children||[]).forEach(function(e){t+=p.encodingLength(e)}),t},n.esds={},n.esds.encode=function(e,r,o){r=r?r.slice(o):t(e.buffer.length),e.buffer.copy(r,0),n.esds.encode.bytes=e.buffer.length},n.esds.decode=function(e,n,r){e=e.slice(n,r);var o=m.Descriptor.decode(e,0,e.length),i="ESDescriptor"===o.tagName?o:{},s=i.DecoderConfigDescriptor||{},a=s.oti||0,u=s.DecoderSpecificInfo,c=u?(248&u.buffer.readUInt8(0))>>3:0,f=null;return a&&(f=a.toString(16),c&&(f+="."+c)),{mimeCodec:f,buffer:new t(e.slice(0))}},n.esds.encodingLength=function(e){return e.buffer.length},n.stsz={},n.stsz.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):t(n.stsz.encodingLength(e)),r.writeUInt32BE(0,0),r.writeUInt32BE(i.length,4);for(var s=0;s<i.length;s++)r.writeUInt32BE(i[s],4*s+8);return n.stsz.encode.bytes=8+4*i.length,r},n.stsz.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=e.readUInt32BE(4),o=new Array(r),i=0;i<r;i++)o[i]=0===n?e.readUInt32BE(4*i+8):n;return{entries:o}},n.stsz.encodingLength=function(e){return 8+4*e.entries.length},n.stss=n.stco={},n.stco.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):new t(n.stco.encodingLength(e)),r.writeUInt32BE(i.length,0);for(var s=0;s<i.length;s++)r.writeUInt32BE(i[s],4*s+4);return n.stco.encode.bytes=4+4*i.length,r},n.stco.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++)r[o]=e.readUInt32BE(4*o+4);return{entries:r}},n.stco.encodingLength=function(e){return 4+4*e.entries.length},n.stts={},n.stts.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):new t(n.stts.encodingLength(e)),r.writeUInt32BE(i.length,0);for(var s=0;s<i.length;s++){var a=8*s+4;r.writeUInt32BE(i[s].count||0,a),r.writeUInt32BE(i[s].duration||0,a+4)}return n.stts.encode.bytes=4+8*e.entries.length,r},
n.stts.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++){var i=8*o+4;r[o]={count:e.readUInt32BE(i),duration:e.readUInt32BE(i+4)}}return{entries:r}},n.stts.encodingLength=function(e){return 4+8*e.entries.length},n.ctts={},n.ctts.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):new t(n.ctts.encodingLength(e)),r.writeUInt32BE(i.length,0);for(var s=0;s<i.length;s++){var a=8*s+4;r.writeUInt32BE(i[s].count||0,a),r.writeUInt32BE(i[s].compositionOffset||0,a+4)}return n.ctts.encode.bytes=4+8*i.length,r},n.ctts.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++){var i=8*o+4;r[o]={count:e.readUInt32BE(i),compositionOffset:e.readInt32BE(i+4)}}return{entries:r}},n.ctts.encodingLength=function(e){return 4+8*e.entries.length},n.stsc={},n.stsc.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):new t(n.stsc.encodingLength(e)),r.writeUInt32BE(i.length,0);for(var s=0;s<i.length;s++){var a=12*s+4;r.writeUInt32BE(i[s].firstChunk||0,a),r.writeUInt32BE(i[s].samplesPerChunk||0,a+4),r.writeUInt32BE(i[s].sampleDescriptionId||0,a+8)}return n.stsc.encode.bytes=4+12*i.length,r},n.stsc.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++){var i=12*o+4;r[o]={firstChunk:e.readUInt32BE(i),samplesPerChunk:e.readUInt32BE(i+4),sampleDescriptionId:e.readUInt32BE(i+8)}}return{entries:r}},n.stsc.encodingLength=function(e){return 4+12*e.entries.length},n.dref={},n.dref.encode=function(e,r,o){r=r?r.slice(o):new t(n.dref.encodingLength(e));var i=e.entries||[];r.writeUInt32BE(i.length,0);for(var s=4,a=0;a<i.length;a++){var u=i[a],c=(u.buf?u.buf.length:0)+4+4;r.writeUInt32BE(c,s),s+=4,r.write(u.type,s,4,"ascii"),s+=4,u.buf&&(u.buf.copy(r,s),s+=u.buf.length)}return n.dref.encode.bytes=s,r},n.dref.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=4,i=0;i<n;i++){var s=e.readUInt32BE(o),a=e.toString("ascii",o+4,o+8),u=e.slice(o+8,o+s);o+=s,r[i]={type:a,buf:u}}return{entries:r}},n.dref.encodingLength=function(e){var t=4;if(!e.entries)return t;for(var n=0;n<e.entries.length;n++){var r=e.entries[n].buf;t+=(r?r.length:0)+4+4}return t},n.elst={},n.elst.encode=function(e,r,o){var s=e.entries||[];r=r?r.slice(o):new t(n.elst.encodingLength(e)),r.writeUInt32BE(s.length,0);for(var a=0;a<s.length;a++){var u=12*a+4;r.writeUInt32BE(s[a].trackDuration||0,u),r.writeUInt32BE(s[a].mediaTime||0,u+4),i(s[a].mediaRate||0,r,u+8)}return n.elst.encode.bytes=4+12*s.length,r},n.elst.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++){var i=12*o+4;r[o]={trackDuration:e.readUInt32BE(i),mediaTime:e.readInt32BE(i+4),mediaRate:d(e,i+8)}}return{entries:r}},n.elst.encodingLength=function(e){return 4+12*e.entries.length},n.hdlr={},n.hdlr.encode=function(e,r,o){r=r?r.slice(o):new t(n.hdlr.encodingLength(e));var i=21+(e.name||"").length;return r.fill(0,0,i),r.write(e.handlerType||"",4,4,"ascii"),u(e.name||"",r,20),n.hdlr.encode.bytes=i,r},n.hdlr.decode=function(e,t,n){return e=e.slice(t),{handlerType:e.toString("ascii",4,8),name:l(e,20,n)}},n.hdlr.encodingLength=function(e){return 21+(e.name||"").length},n.mehd={},n.mehd.encode=function(e,r,o){return r=r?r.slice(o):new t(4),r.writeUInt32BE(e.fragmentDuration||0,0),n.mehd.encode.bytes=4,r},n.mehd.decode=function(e,t){return e=e.slice(t),{fragmentDuration:e.readUInt32BE(0)}},n.mehd.encodingLength=function(e){return 4},n.trex={},n.trex.encode=function(e,r,o){return r=r?r.slice(o):new t(20),r.writeUInt32BE(e.trackId||0,0),r.writeUInt32BE(e.defaultSampleDescriptionIndex||0,4),r.writeUInt32BE(e.defaultSampleDuration||0,8),r.writeUInt32BE(e.defaultSampleSize||0,12),r.writeUInt32BE(e.defaultSampleFlags||0,16),n.trex.encode.bytes=20,r},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(e){return 20},n.mfhd={},n.mfhd.encode=function(e,r,o){return r=r?r.slice(o):new t(4),r.writeUInt32BE(e.sequenceNumber||0,0),n.mfhd.encode.bytes=4,r},n.mfhd.decode=function(e,t){return{sequenceNumber:e.readUint32BE(0)}},n.mfhd.encodingLength=function(e){return 4},n.tfhd={},n.tfhd.encode=function(e,r,o){return r=r?r.slice(o):new t(4),r.writeUInt32BE(e.trackId,0),n.tfhd.encode.bytes=4,r},n.tfhd.decode=function(e,t){},n.tfhd.encodingLength=function(e){return 4},n.tfdt={},n.tfdt.encode=function(e,r,o){return r=r?r.slice(o):new t(4),r.writeUInt32BE(e.baseMediaDecodeTime||0,0),n.tfdt.encode.bytes=4,r},n.tfdt.decode=function(e,t){},n.tfdt.encodingLength=function(e){return 4},n.trun={},n.trun.encode=function(e,r,o){r=r?r.slice(o):new t(8+16*e.entries.length),r.writeUInt32BE(e.entries.length,0),r.writeInt32BE(e.dataOffset,4);for(var i=8,s=0;s<e.entries.length;s++){var a=e.entries[s];r.writeUInt32BE(a.sampleDuration,i),i+=4,r.writeUInt32BE(a.sampleSize,i),i+=4,r.writeUInt32BE(a.sampleFlags,i),i+=4,r.writeUInt32BE(a.sampleCompositionTimeOffset,i),i+=4}n.trun.encode.bytes=i},n.trun.decode=function(e,t){},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,n,r){return{buffer:new t(e.slice(n,r))}},n.mdat.encodingLength=function(e){return e.buffer?e.buffer.length:e.contentLength}}).call(this,e("buffer").Buffer)},{"./descriptor":52,"./index":53,buffer:24}],52:[function(e,t,n){(function(e){var t={3:"ESDescriptor",4:"DecoderConfigDescriptor",5:"DecoderSpecificInfo",6:"SLConfigDescriptor"};n.Descriptor={},n.Descriptor.decode=function(r,o,i){var s,a=r.readUInt8(o),u=o+1,c=0;do{s=r.readUInt8(u++),c=c<<7|127&s}while(128&s);var f,d=t[a];return f=n[d]?n[d].decode(r,u,i):{buffer:new e(r.slice(u,u+c))},f.tag=a,f.tagName=d,f.length=u-o+c,f.contentsLen=c,f},n.DescriptorArray={},n.DescriptorArray.decode=function(e,r,o){for(var i=r,s={};i+2<=o;){var a=n.Descriptor.decode(e,i,o);i+=a.length;s[t[a.tag]||"Descriptor"+a.tag]=a}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){i+=e.readUInt8(i)+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}}).call(this,e("buffer").Buffer)},{buffer:24}],53:[function(e,t,n){(function(t){var r=e("uint64be"),o=e("./boxes"),i=n,s=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","trun","sbgps","sgpds","subss","saizs","saios","tfdt","meta"]};i.encode=function(e,n,r){return i.encodingLength(e),r=r||0,n=n||new t(e.length),i._encode(e,n,r)},i._encode=function(e,t,n){var a=e.type,u=e.length;u>4294967295&&(u=1),t.writeUInt32BE(u,n),t.write(e.type,n+4,4,"ascii");var c=n+8;if(1===u&&(r.encode(e.length,t,c),c+=8),o.fullBoxes[a]&&(t.writeUInt32BE(e.flags||0,c),t.writeUInt8(e.version||0,c),c+=4),s[a]){s[a].forEach(function(n){if(5===n.length){var r=e[n]||[];n=n.substr(0,4),r.forEach(function(e){i._encode(e,t,c),c+=i.encode.bytes})}else e[n]&&(i._encode(e[n],t,c),c+=i.encode.bytes)}),e.otherBoxes&&e.otherBoxes.forEach(function(e){i._encode(e,t,c),c+=i.encode.bytes})}else if(o[a]){var f=o[a].encode;f(e,t,c),c+=f.bytes}else{if(!e.buffer)throw new Error("Either `type` must be set to a known type (not'"+a+"') or `buffer` must be set");var d=e.buffer;d.copy(t,c),c+=e.buffer.length}return i.encode.bytes=c-n,t},i.readHeaders=function(e,t,n){if(t=t||0,(n=n||e.length)-t<8)return 8;var i=e.readUInt32BE(t),s=e.toString("ascii",t+4,t+8),a=t+8;if(1===i){if(n-t<16)return 16;i=r.decode(e,a),a+=8}var u,c;return o.fullBoxes[s]&&(u=e.readUInt8(a),c=16777215&e.readUInt32BE(a),a+=4),{length:i,headersLen:a-t,contentLen:i-(a-t),type:s,version:u,flags:c}},i.decode=function(e,t,n){t=t||0,n=n||e.length;var r=i.readHeaders(e,t,n);if(!r||r.length>n-t)throw new Error("Data too short");return i.decodeWithoutHeaders(r,e,t+r.headersLen,t+r.length)},i.decodeWithoutHeaders=function(e,n,r,a){r=r||0,a=a||n.length;var u=e.type,c={};if(s[u]){c.otherBoxes=[];for(var f=s[u],d=r;a-d>=8;){var h=i.decode(n,d,a);if(d+=h.length,f.indexOf(h.type)>=0)c[h.type]=h;else if(f.indexOf(h.type+"s")>=0){var l=h.type+"s",p=c[l]=c[l]||[];p.push(h)}else c.otherBoxes.push(h)}}else if(o[u]){var m=o[u].decode;c=m(n,r,a)}else c.buffer=new t(n.slice(r,a));return c.length=e.length,c.contentLen=e.contentLen,c.type=e.type,c.version=e.version,c.flags=e.flags,c},i.encodingLength=function(e){var t=e.type,n=8;if(o.fullBoxes[t]&&(n+=4),s[t]){s[t].forEach(function(t){if(5===t.length){var r=e[t]||[];t=t.substr(0,4),r.forEach(function(e){e.type=t,n+=i.encodingLength(e)})}else if(e[t]){var o=e[t];o.type=t,n+=i.encodingLength(o)}}),e.otherBoxes&&e.otherBoxes.forEach(function(e){n+=i.encodingLength(e)})}else if(o[t])n+=o[t].encodingLength(e);else{if(!e.buffer)throw new Error("Either `type` must be set to a known type (not'"+t+"') or `buffer` must be set");n+=e.buffer.length}return n>4294967295&&(n+=8),e.length=n,n}}).call(this,e("buffer").Buffer)},{"./boxes":51,buffer:24,uint64be:109}],54:[function(e,t,n){(function(n){function r(){if(!(this instanceof r))return new r;i.Writable.call(this),this.destroyed=!1,this._pending=0,this._missing=0,this._buf=null,this._str=null,this._cb=null,this._ondrain=null,this._writeBuffer=null,this._writeCb=null,this._ondrain=null,this._kick()}function o(e){this._parent=e,this.destroyed=!1,i.PassThrough.call(this)}var i=e("readable-stream"),s=e("inherits"),a=e("next-event"),u=e("mp4-box-encoding"),c=new n(0);t.exports=r,s(r,i.Writable),r.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,e&&this.emit("error",e),this.emit("close"))},r.prototype._write=function(e,t,n){if(!this.destroyed){for(var r=!this._str||!this._str._writableState.needDrain;e.length&&!this.destroyed;){if(!this._missing)return this._writeBuffer=e,void(this._writeCb=n);var 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,a=this._str;this._buf=this._cb=this._str=this._ondrain=null,r=!0,a&&a.end(),s&&s(i)}e=o===e.length?c:e.slice(o)}if(this._pending&&!this._missing)return this._writeBuffer=e,void(this._writeCb=n);r?n():this._ondrain(n)}},r.prototype._buffer=function(e,t){this._missing=e,this._buf=new n(e),this._cb=t},r.prototype._stream=function(e,t){var n=this;return this._missing=e,this._str=new o(this),this._ondrain=a(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=u.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=u.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:24,inherits:41,"mp4-box-encoding":53,"next-event":59,"readable-stream":82}],55:[function(e,t,n){(function(n,r){function o(){}function i(){function e(){n._want&&(n._want=!1,n._read())}function t(){n._stream=null}if(!(this instanceof i))return new i;a.Readable.call(this),this.destroyed=!1,this._reading=!1,this._stream=null,this._drain=null,this._want=!1,this._onreadable=e,this._onend=t;var n=this}function s(e){this._parent=e,this.destroyed=!1,a.PassThrough.call(this)}var a=e("readable-stream"),u=e("inherits"),c=e("mp4-box-encoding");t.exports=i,u(i,a.Readable),i.prototype.mediaData=i.prototype.mdat=function(e,t){var n=new s(this);return this.box({type:"mdat",contentLength:e,encodeBufferLen:8,stream:n},t),n},i.prototype.box=function(e,t){if(t||(t=o),this.destroyed)return t(new Error("Encoder is destroyed"));var i;if(e.encodeBufferLen&&(i=new r(e.encodeBufferLen)),e.stream)e.buffer=null,i=c.encode(e,i),this.push(i),this._stream=e.stream,this._stream.on("readable",this._onreadable),this._stream.on("end",this._onend),this._stream.on("end",t),this._forward();else{i=c.encode(e,i);if(this.push(i))return n.nextTick(t);this._drain=t}},i.prototype.destroy=function(e){if(!this.destroyed){if(this.destroyed=!0,this._stream&&this._stream.destroy&&this._stream.destroy(),this._stream=null,this._drain){var t=this._drain;this._drain=null,t(e)}e&&this.emit("error",e),this.emit("close")}},i.prototype.finalize=function(){this.push(null)},i.prototype._forward=function(){if(this._stream)for(;!this.destroyed;){var e=this._stream.read();if(!e)return void(this._want=!!this._stream);if(!this.push(e))return}},i.prototype._read=function(){if(!this._reading&&!this.destroyed){if(this._reading=!0,this._stream&&this._forward(),this._drain){var e=this._drain;this._drain=null,e()}this._reading=!1}},u(s,a.PassThrough),s.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,this._parent.destroy(e),e&&this.emit("error",e),this.emit("close"))}}).call(this,e("_process"),e("buffer").Buffer)},{_process:66,buffer:24,inherits:41,"mp4-box-encoding":53,"readable-stream":82}],56:[function(e,t,n){n.decode=e("./decode"),n.encode=e("./encode")},{"./decode":54,"./encode":55}],57:[function(e,t,n){function r(e){if(e=String(e),!(e.length>1e4)){var t=/^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(e);if(t){var n=parseFloat(t[1]);switch((t[2]||"ms").toLowerCase()){case"years":case"year":case"yrs":case"yr":case"y":return n*d;case"days":case"day":case"d":return n*f;case"hours":case"hour":case"hrs":case"hr":case"h":return n*c;case"minutes":case"minute":case"mins":case"min":case"m":return n*u;case"seconds":case"second":case"secs":case"sec":case"s":return n*a;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return n;default:return}}}}function o(e){return e>=f?Math.round(e/f)+"d":e>=c?Math.round(e/c)+"h":e>=u?Math.round(e/u)+"m":e>=a?Math.round(e/a)+"s":e+"ms"}function i(e){return s(e,f,"day")||s(e,c,"hour")||s(e,u,"minute")||s(e,a,"second")||e+" ms"}function s(e,t,n){if(!(e<t))return e<1.5*t?Math.floor(e/t)+" "+n:Math.ceil(e/t)+" "+n+"s"}var a=1e3,u=60*a,c=60*u,f=24*c,d=365.25*f;t.exports=function(e,t){t=t||{};var n=typeof e;if("string"===n&&e.length>0)return r(e);if("number"===n&&!1===isNaN(e))return t.long?i(e):o(e);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(e))}},{}],58:[function(e,t,n){function r(e,t){var n=this;if(!(n instanceof r))return new r(e,t);s.Readable.call(n,t),n.destroyed=!1,n._drained=!1,n._forwarding=!1,n._current=null,"function"==typeof e?n._queue=e:(n._queue=e.map(o),n._queue.forEach(function(e){"function"!=typeof e&&n._attachErrorListener(e)})),n._next()}function o(e){if(!e||"function"==typeof e||e._readableState)return e;var t=(new s.Readable).wrap(e);return e.destroy&&(t.destroy=e.destroy.bind(e)),t}t.exports=r;var i=e("inherits"),s=e("readable-stream");i(r,s.Readable),r.obj=function(e){return new r(e,{objectMode:!0,highWaterMark:16})},r.prototype._read=function(){this._drained=!0,this._forward()},r.prototype._forward=function(){if(!this._forwarding&&this._drained&&this._current){this._forwarding=!0;for(var e;null!==(e=this._current.read());)this._drained=this.push(e);this._forwarding=!1}},r.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,this._current&&this._current.destroy&&this._current.destroy(),"function"!=typeof this._queue&&this._queue.forEach(function(e){e.destroy&&e.destroy()}),e&&this.emit("error",e),this.emit("close"))},r.prototype._next=function(){var e=this;if(e._current=null,"function"==typeof e._queue)e._queue(function(t,n){if(t)return e.destroy(t);n=o(n),e._attachErrorListener(n),e._gotNextStream(n)});else{var t=e._queue.shift();"function"==typeof t&&(t=o(t()),e._attachErrorListener(t)),e._gotNextStream(t)}},r.prototype._gotNextStream=function(e){function t(){o._forward()}function n(){e._readableState.ended||o.destroy()}function r(){o._current=null,e.removeListener("readable",t),e.removeListener("end",r),e.removeListener("close",n),o._next()}var o=this;if(!e)return o.push(null),void o.destroy();o._current=e,o._forward(),e.on("readable",t),e.once("end",r),e.once("close",n)},r.prototype._attachErrorListener=function(e){function t(r){e.removeListener("error",t),n.destroy(r)}var n=this;e&&e.once("error",t)}},{inherits:41,"readable-stream":82}],59:[function(e,t,n){function r(e,t){var n=null;return e.on(t,function(e){if(n){var t=n;n=null,t(e)}}),function(e){n=e}}t.exports=r},{}],60:[function(e,t,n){function r(e){var t=function(){return t.called?t.value:(t.called=!0,t.value=e.apply(this,arguments))};return t.called=!1,t}function o(e){var t=function(){if(t.called)throw new Error(t.onceError);return t.called=!0,t.value=e.apply(this,arguments)},n=e.name||"Function wrapped with `once`";return t.onceError=n+" shouldn't be called more than once",t.called=!1,t}var i=e("wrappy");t.exports=i(r),t.exports.strict=i(o),r.proto=r(function(){Object.defineProperty(Function.prototype,"once",{value:function(){return r(this)},configurable:!0}),Object.defineProperty(Function.prototype,"onceStrict",{value:function(){return o(this)},configurable:!0})})},{wrappy:118}],61:[function(e,t,n){(function(n){function r(e){n.isBuffer(e)&&(e=u.decode(e)),a(e.info,"info"),a(e.info["name.utf-8"]||e.info.name,"info.name"),a(e.info["piece length"],"info['piece length']"),a(e.info.pieces,"info.pieces"),e.info.files?e.info.files.forEach(function(e){a("number"==typeof e.length,"info.files[0].length"),a(e["path.utf-8"]||e.path,"info.files[0].path")}):a("number"==typeof e.info.length,"info.length");var t={};t.info=e.info,t.infoBuffer=u.encode(e.info),t.infoHash=f.sync(t.infoBuffer),t.infoHashBuffer=new n(t.infoHash,"hex"),t.name=(e.info["name.utf-8"]||e.info.name).toString(),void 0!==e.info.private&&(t.private=!!e.info.private),e["creation date"]&&(t.created=new Date(1e3*e["creation date"])),e["created by"]&&(t.createdBy=e["created by"].toString()),n.isBuffer(e.comment)&&(t.comment=e.comment.toString()),t.announce=[],e["announce-list"]&&e["announce-list"].length?e["announce-list"].forEach(function(e){e.forEach(function(e){t.announce.push(e.toString())})}):e.announce&&t.announce.push(e.announce.toString()),n.isBuffer(e["url-list"])&&(e["url-list"]=e["url-list"].length>0?[e["url-list"]]:[]),t.urlList=(e["url-list"]||[]).map(function(e){return e.toString()}),d(t.announce),d(t.urlList);var r=e.info.files||[e.info];t.files=r.map(function(e,n){var o=[].concat(t.name,e["path.utf-8"]||e.path||[]).map(function(e){return e.toString()});return{path:c.join.apply(null,[c.sep].concat(o)).slice(1),name:o[o.length-1],length:e.length,offset:r.slice(0,n).reduce(i,0)}}),t.length=r.reduce(i,0);var o=t.files[t.files.length-1];return t.pieceLength=e.info["piece length"],t.lastPieceLength=(o.offset+o.length)%t.pieceLength||t.pieceLength,t.pieces=s(e.info.pieces),t}function o(e){var t={info:e.info};return t["announce-list"]=(e.announce||[]).map(function(e){return t.announce||(t.announce=e),e=new n(e,"utf8"),[e]}),t["url-list"]=e.urlList||[],e.created&&(t["creation date"]=e.created.getTime()/1e3|0),e.createdBy&&(t["created by"]=e.createdBy),e.comment&&(t.comment=e.comment),u.encode(t)}function i(e,t){return e+t.length}function s(e){for(var t=[],n=0;n<e.length;n+=20)t.push(e.slice(n,n+20).toString("hex"));return t}function a(e,t){if(!e)throw new Error("Torrent is missing required field: "+t)}t.exports=r,t.exports.decode=r,t.exports.encode=o;var u=e("bencode"),c=e("path"),f=e("simple-sha1"),d=e("uniq")}).call(this,e("buffer").Buffer)},{bencode:11,buffer:24,path:63,"simple-sha1":92,uniq:110}],62:[function(e,t,n){(function(n,r){function o(e){if("string"==typeof e&&/^(stream-)?magnet:/.test(e))return f(e);if("string"==typeof e&&(/^[a-f0-9]{40}$/i.test(e)||/^[a-z2-7]{32}$/i.test(e)))return f("magnet:?xt=urn:btih:"+e);if(r.isBuffer(e)&&20===e.length)return f("magnet:?xt=urn:btih:"+e.toString("hex"));if(r.isBuffer(e))return d(e);if(e&&e.infoHash)return e.announce||(e.announce=[]),"string"==typeof e.announce&&(e.announce=[e.announce]),e.urlList||(e.urlList=[]),e;throw new Error("Invalid torrent identifier")}function i(e,t){function r(e){try{i=o(e)}catch(e){return t(e)}i&&i.infoHash?t(null,i):t(new Error("Invalid torrent identifier"))}var i;if("function"!=typeof t)throw new Error("second argument must be a Function");try{i=o(e)}catch(e){}i&&i.infoHash?n.nextTick(function(){t(null,i)}):s(e)?a(e,function(e,n){if(e)return t(new Error("Error converting Blob: "+e.message));r(n)}):"function"==typeof c&&/^https?:/.test(e)?c.concat({url:e,timeout:3e4,headers:{"user-agent":"WebTorrent (http://webtorrent.io)"}},function(e,n,o){if(e)return t(new Error("Error downloading torrent: "+e.message));r(o)}):"function"==typeof u.readFile&&"string"==typeof e?u.readFile(e,function(e,n){if(e)return t(new Error("Invalid torrent identifier"));r(n)}):n.nextTick(function(){t(new Error("Invalid torrent identifier"))})}function s(e){return"undefined"!=typeof Blob&&e instanceof Blob}t.exports=o,t.exports.remote=i;var a=e("blob-to-buffer"),u=e("fs"),c=e("simple-get"),f=e("magnet-uri"),d=e("parse-torrent-file");t.exports.toMagnetURI=f.encode,t.exports.toTorrentFile=d.encode,function(){r.alloc(0)}()}).call(this,e("_process"),e("buffer").Buffer)},{_process:66,"blob-to-buffer":19,buffer:24,fs:22,"magnet-uri":48,"parse-torrent-file":61,"simple-get":90}],63:[function(e,t,n){(function(e){function t(e,t){for(var n=0,r=e.length-1;r>=0;r--){var o=e[r];"."===o?e.splice(r,1):".."===o?(e.splice(r,1),n++):n&&(e.splice(r,1),n--)}if(t)for(;n--;n)e.unshift("..");return e}function r(e,t){if(e.filter)return e.filter(t);for(var n=[],r=0;r<e.length;r++)t(e[r],r,e)&&n.push(e[r]);return n}var o=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/,i=function(e){return o.exec(e).slice(1)};n.resolve=function(){for(var n="",o=!1,i=arguments.length-1;i>=-1&&!o;i--){var s=i>=0?arguments[i]:e.cwd();if("string"!=typeof s)throw new TypeError("Arguments to path.resolve must be strings");s&&(n=s+"/"+n,o="/"===s.charAt(0))}return n=t(r(n.split("/"),function(e){return!!e}),!o).join("/"),(o?"/":"")+n||"."},n.normalize=function(e){var o=n.isAbsolute(e),i="/"===s(e,-1);return e=t(r(e.split("/"),function(e){return!!e}),!o).join("/"),e||o||(e="."),e&&i&&(e+="/"),(o?"/":"")+e},n.isAbsolute=function(e){return"/"===e.charAt(0)},n.join=function(){var e=Array.prototype.slice.call(arguments,0);return n.normalize(r(e,function(e,t){if("string"!=typeof e)throw new TypeError("Arguments to path.join must be strings");return e}).join("/"))},n.relative=function(e,t){function r(e){for(var t=0;t<e.length&&""===e[t];t++);for(var n=e.length-1;n>=0&&""===e[n];n--);return t>n?[]:e.slice(t,n-t+1)}e=n.resolve(e).substr(1),t=n.resolve(t).substr(1);for(var o=r(e.split("/")),i=r(t.split("/")),s=Math.min(o.length,i.length),a=s,u=0;u<s;u++)if(o[u]!==i[u]){a=u;break}for(var c=[],u=a;u<o.length;u++)c.push("..");return c=c.concat(i.slice(a)),c.join("/")},n.sep="/",n.delimiter=":",n.dirname=function(e){var t=i(e),n=t[0],r=t[1];return n||r?(r&&(r=r.substr(0,r.length-1)),n+r):"."},n.basename=function(e,t){var n=i(e)[2];return t&&n.substr(-1*t.length)===t&&(n=n.substr(0,n.length-t.length)),n},n.extname=function(e){return i(e)[3]};var s="b"==="ab".substr(-1)?function(e,t,n){return e.substr(t,n)}:function(e,t,n){return t<0&&(t=e.length+t),e.substr(t,n)}}).call(this,e("_process"))},{_process:66}],64:[function(e,t,n){for(var r=e("closest-to"),o=Math.pow(2,10),i=13,s=[];i++<22;)s.push(Math.pow(2,i));t.exports=function(e){return r(e/o,s)}},{"closest-to":27}],65:[function(e,t,n){(function(e){"use strict";function n(t,n,r,o){if("function"!=typeof t)throw new TypeError('"callback" argument must be a function');var i,s,a=arguments.length;switch(a){case 0:case 1:return e.nextTick(t);case 2:return e.nextTick(function(){t.call(null,n)});case 3:return e.nextTick(function(){t.call(null,n,r)});case 4:return e.nextTick(function(){t.call(null,n,r,o)});default:for(i=new Array(a-1),s=0;s<i.length;)i[s++]=arguments[s];return e.nextTick(function(){t.apply(null,i)})}}!e.version||0===e.version.indexOf("v0.")||0===e.version.indexOf("v1.")&&0!==e.version.indexOf("v1.8.")?t.exports=n:t.exports=e.nextTick}).call(this,e("_process"))},{_process:66}],66:[function(e,t,n){function r(){throw new Error("setTimeout has not been defined")}function o(){throw new Error("clearTimeout has not been defined")}function i(e){if(d===setTimeout)return setTimeout(e,0);if((d===r||!d)&&setTimeout)return d=setTimeout,setTimeout(e,0);try{return d(e,0)}catch(t){try{return d.call(null,e,0)}catch(t){return d.call(this,e,0)}}}function s(e){if(h===clearTimeout)return clearTimeout(e);if((h===o||!h)&&clearTimeout)return h=clearTimeout,clearTimeout(e);try{return h(e)}catch(t){try{return h.call(null,e)}catch(t){return h.call(this,e)}}}function a(){g&&p&&(g=!1,p.length?m=p.concat(m):y=-1,m.length&&u())}function u(){if(!g){var e=i(a);g=!0;for(var t=m.length;t;){for(p=m,m=[];++y<t;)p&&p[y].run();y=-1,t=m.length}p=null,g=!1,s(e)}}function c(e,t){this.fun=e,this.array=t}function f(){}var d,h,l=t.exports={};!function(){try{d="function"==typeof setTimeout?setTimeout:r}catch(e){d=r}try{h="function"==typeof clearTimeout?clearTimeout:o}catch(e){h=o}}();var p,m=[],g=!1,y=-1;l.nextTick=function(e){var t=new Array(arguments.length-1);if(arguments.length>1)for(var n=1;n<arguments.length;n++)t[n-1]=arguments[n];m.push(new c(e,t)),1!==m.length||g||i(u)},c.prototype.run=function(){this.fun.apply(null,this.array)},l.title="browser",l.browser=!0,l.env={},l.argv=[],l.version="",l.versions={},l.on=f,l.addListener=f,l.once=f,l.off=f,l.removeListener=f,l.removeAllListeners=f,l.emit=f,l.binding=function(e){throw new Error("process.binding is not supported")},l.cwd=function(){return"/"},l.chdir=function(e){throw new Error("process.chdir is not supported")},l.umask=function(){return 0}},{}],67:[function(e,t,n){var r=e("once"),o=e("end-of-stream"),i=e("fs"),s=function(){},a=function(e){return"function"==typeof e},u=function(e){return!!i&&((e instanceof(i.ReadStream||s)||e instanceof(i.WriteStream||s))&&a(e.close))},c=function(e){return e.setHeader&&a(e.abort)},f=function(e,t,n,i){i=r(i);var s=!1;e.on("close",function(){s=!0}),o(e,{readable:t,writable:n},function(e){if(e)return i(e);s=!0,i()});var f=!1;return function(t){if(!s&&!f)return f=!0,u(e)?e.close():c(e)?e.abort():a(e.destroy)?e.destroy():void i(t||new Error("stream was destroyed"))}},d=function(e){e()},h=function(e,t){return e.pipe(t)},l=function(){var e=Array.prototype.slice.call(arguments),t=a(e[e.length-1]||s)&&e.pop()||s;if(Array.isArray(e[0])&&(e=e[0]),e.length<2)throw new Error("pump requires two streams per minimum");var n,r=e.map(function(o,i){var s=i<e.length-1;return f(o,s,i>0,function(e){n||(n=e),e&&r.forEach(d),s||(r.forEach(d),t(n))})});return e.reduce(h)};t.exports=l},{"end-of-stream":33,fs:21,once:60}],68:[function(t,n,r){(function(t){!function(o){function i(e){throw new RangeError(O[e])}function s(e,t){for(var n=e.length,r=[];n--;)r[n]=t(e[n]);return r}function a(e,t){var n=e.split("@"),r="";return n.length>1&&(r=n[0]+"@",e=n[1]),e=e.replace(R,"."),r+s(e.split("."),t).join(".")}function u(e){for(var t,n,r=[],o=0,i=e.length;o<i;)t=e.charCodeAt(o++),t>=55296&&t<=56319&&o<i?(n=e.charCodeAt(o++),56320==(64512&n)?r.push(((1023&t)<<10)+(1023&n)+65536):(r.push(t),o--)):r.push(t);return r}function c(e){return s(e,function(e){var t="";return e>65535&&(e-=65536,t+=j(e>>>10&1023|55296),e=56320|1023&e),t+=j(e)}).join("")}function f(e){return e-48<10?e-22:e-65<26?e-65:e-97<26?e-97:k}function d(e,t){return e+22+75*(e<26)-((0!=t)<<5)}function h(e,t,n){var r=0;for(e=n?P(e/B):e>>1,e+=P(e/t);e>M*S>>1;r+=k)e=P(e/M);return P(r+(M+1)*e/(e+I))}function l(e){var t,n,r,o,s,a,u,d,l,p,m=[],g=e.length,y=0,_=C,v=A;for(n=e.lastIndexOf(T),n<0&&(n=0),r=0;r<n;++r)e.charCodeAt(r)>=128&&i("not-basic"),m.push(e.charCodeAt(r));for(o=n>0?n+1:0;o<g;){for(s=y,a=1,u=k;o>=g&&i("invalid-input"),d=f(e.charCodeAt(o++)),(d>=k||d>P((E-y)/a))&&i("overflow"),y+=d*a,l=u<=v?x:u>=v+S?S:u-v,!(d<l);u+=k)p=k-l,a>P(E/p)&&i("overflow"),a*=p;t=m.length+1,v=h(y-s,t,0==s),P(y/t)>E-_&&i("overflow"),_+=P(y/t),y%=t,m.splice(y++,0,_)}return c(m)}function p(e){var t,n,r,o,s,a,c,f,l,p,m,g,y,_,v,b=[];for(e=u(e),g=e.length,t=C,n=0,s=A,a=0;a<g;++a)(m=e[a])<128&&b.push(j(m));for(r=o=b.length,o&&b.push(T);r<g;){for(c=E,a=0;a<g;++a)(m=e[a])>=t&&m<c&&(c=m);for(y=r+1,c-t>P((E-n)/y)&&i("overflow"),n+=(c-t)*y,t=c,a=0;a<g;++a)if(m=e[a],m<t&&++n>E&&i("overflow"),m==t){for(f=n,l=k;p=l<=s?x:l>=s+S?S:l-s,!(f<p);l+=k)v=f-p,_=k-p,b.push(j(d(p+v%_,0))),f=P(v/_);b.push(j(d(f,0))),s=h(n,y,r==o),n=0,++r}++n,++t}return b.join("")}function m(e){return a(e,function(e){return L.test(e)?l(e.slice(4).toLowerCase()):e})}function g(e){return a(e,function(e){return U.test(e)?"xn--"+p(e):e})}var y="object"==typeof r&&r&&!r.nodeType&&r,_="object"==typeof n&&n&&!n.nodeType&&n,v="object"==typeof t&&t;v.global!==v&&v.window!==v&&v.self!==v||(o=v);var b,w,E=2147483647,k=36,x=1,S=26,I=38,B=700,A=72,C=128,T="-",L=/^xn--/,U=/[^\x20-\x7E]/,R=/[\x2E\u3002\uFF0E\uFF61]/g,O={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid input"},M=k-x,P=Math.floor,j=String.fromCharCode;if(b={version:"1.4.1",ucs2:{decode:u,encode:c},decode:l,encode:p,toASCII:g,toUnicode:m},"function"==typeof e&&"object"==typeof e.amd&&e.amd)e("punycode",function(){return b});else if(y&&_)if(n.exports==y)_.exports=b;else for(w in b)b.hasOwnProperty(w)&&(y[w]=b[w]);else o.punycode=b}(this)}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],69:[function(e,t,n){"use strict";function r(e,t){return Object.prototype.hasOwnProperty.call(e,t)}t.exports=function(e,t,n,i){t=t||"&",n=n||"=";var s={};if("string"!=typeof e||0===e.length)return s;e=e.split(t);var a=1e3;i&&"number"==typeof i.maxKeys&&(a=i.maxKeys);var u=e.length;a>0&&u>a&&(u=a);for(var c=0;c<u;++c){var f,d,h,l,p=e[c].replace(/\+/g,"%20"),m=p.indexOf(n);m>=0?(f=p.substr(0,m),d=p.substr(m+1)):(f=p,d=""),h=decodeURIComponent(f),l=decodeURIComponent(d),r(s,h)?o(s[h])?s[h].push(l):s[h]=[s[h],l]:s[h]=l}return s};var o=Array.isArray||function(e){return"[object Array]"===Object.prototype.toString.call(e)}},{}],70:[function(e,t,n){"use strict";function r(e,t){if(e.map)return e.map(t);for(var n=[],r=0;r<e.length;r++)n.push(t(e[r],r));return n}var o=function(e){switch(typeof e){
case"string":return e;case"boolean":return e?"true":"false";case"number":return isFinite(e)?e:"";default:return""}};t.exports=function(e,t,n,a){return t=t||"&",n=n||"=",null===e&&(e=void 0),"object"==typeof e?r(s(e),function(s){var a=encodeURIComponent(o(s))+n;return i(e[s])?r(e[s],function(e){return a+encodeURIComponent(o(e))}).join(t):a+encodeURIComponent(o(e[s]))}).join(t):a?encodeURIComponent(o(a))+n+encodeURIComponent(o(e)):""};var i=Array.isArray||function(e){return"[object Array]"===Object.prototype.toString.call(e)},s=Object.keys||function(e){var t=[];for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&t.push(n);return t}},{}],71:[function(e,t,n){"use strict";n.decode=n.parse=e("./decode"),n.encode=n.stringify=e("./encode")},{"./decode":69,"./encode":70}],72:[function(e,t,n){var r=function(e){var t=0;return function(){if(t===e.length)return null;var n=e.length-t,r=Math.random()*n|0,o=e[t+r],i=e[t];return e[t]=o,e[t+r]=i,t++,o}};t.exports=r},{}],73:[function(e,t,n){(function(e,n,r){"use strict";function o(){throw new Error("secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11")}function i(t,o){if(t>65536)throw new Error("requested too many random bytes");var i=new n.Uint8Array(t);t>0&&s.getRandomValues(i);var a=new r(i.buffer);return"function"==typeof o?e.nextTick(function(){o(null,a)}):a}var s=n.crypto||n.msCrypto;s&&s.getRandomValues?t.exports=i:t.exports=o}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},e("buffer").Buffer)},{_process:66,buffer:24}],74:[function(e,t,n){function r(e,t){var n=this;if(!(n instanceof r))return new r(e);i.Writable.call(n,t),n.destroyed=!1,n._queue=[],n._position=e||0,n._cb=null,n._buffer=null,n._out=null}var o=e("inherits"),i=e("readable-stream");t.exports=r,o(r,i.Writable),r.prototype._write=function(e,t,n){for(var r=this,o=!0;;){if(r.destroyed)return;if(0===r._queue.length)return r._buffer=e,void(r._cb=n);r._buffer=null;var i=r._queue[0],s=Math.max(i.start-r._position,0),a=i.end-r._position;if(s>=e.length)return r._position+=e.length,n(null);var u;if(a>e.length){r._position+=e.length,u=0===s?e:e.slice(s),o=i.stream.write(u)&&o;break}r._position+=a,u=0===s&&a===e.length?e:e.slice(s,a),o=i.stream.write(u)&&o,i.last&&i.stream.end(),e=e.slice(a),r._queue.shift()}o?n(null):i.stream.once("drain",n.bind(null,null))},r.prototype.slice=function(e){var t=this;if(t.destroyed)return null;e instanceof Array||(e=[e]);var n=new i.PassThrough;return e.forEach(function(r,o){t._queue.push({start:r.start,end:r.end,stream:n,last:o===e.length-1})}),t._buffer&&t._write(t._buffer,null,t._cb),n},r.prototype.destroy=function(e){var t=this;t.destroyed||(t.destroyed=!0,e&&t.emit("error",e))}},{inherits:41,"readable-stream":82}],75:[function(e,t,n){"use strict";function r(e){if(!(this instanceof r))return new r(e);c.call(this,e),f.call(this,e),e&&!1===e.readable&&(this.readable=!1),e&&!1===e.writable&&(this.writable=!1),this.allowHalfOpen=!0,e&&!1===e.allowHalfOpen&&(this.allowHalfOpen=!1),this.once("end",o)}function o(){this.allowHalfOpen||this._writableState.ended||a(i,this)}function i(e){e.end()}var s=Object.keys||function(e){var t=[];for(var n in e)t.push(n);return t};t.exports=r;var a=e("process-nextick-args"),u=e("core-util-is");u.inherits=e("inherits");var c=e("./_stream_readable"),f=e("./_stream_writable");u.inherits(r,c);for(var d=s(f.prototype),h=0;h<d.length;h++){var l=d[h];r.prototype[l]||(r.prototype[l]=f.prototype[l])}},{"./_stream_readable":77,"./_stream_writable":79,"core-util-is":28,inherits:41,"process-nextick-args":65}],76:[function(e,t,n){"use strict";function r(e){if(!(this instanceof r))return new r(e);o.call(this,e)}t.exports=r;var o=e("./_stream_transform"),i=e("core-util-is");i.inherits=e("inherits"),i.inherits(r,o),r.prototype._transform=function(e,t,n){n(null,e)}},{"./_stream_transform":78,"core-util-is":28,inherits:41}],77:[function(e,t,n){(function(n){"use strict";function r(e,t,n){if("function"==typeof e.prependListener)return e.prependListener(t,n);e._events&&e._events[t]?T(e._events[t])?e._events[t].unshift(n):e._events[t]=[n,e._events[t]]:e.on(t,n)}function o(t,n){A=A||e("./_stream_duplex"),t=t||{},this.objectMode=!!t.objectMode,n instanceof A&&(this.objectMode=this.objectMode||!!t.readableObjectMode);var r=t.highWaterMark,o=this.objectMode?16:16384;this.highWaterMark=r||0===r?r:o,this.highWaterMark=~~this.highWaterMark,this.buffer=new N,this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.defaultEncoding=t.defaultEncoding||"utf8",this.ranOut=!1,this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,t.encoding&&(H||(H=e("string_decoder/").StringDecoder),this.decoder=new H(t.encoding),this.encoding=t.encoding)}function i(t){if(A=A||e("./_stream_duplex"),!(this instanceof i))return new i(t);this._readableState=new o(t,this),this.readable=!0,t&&"function"==typeof t.read&&(this._read=t.read),U.call(this)}function s(e,t,n,r,o){var i=f(t,n);if(i)e.emit("error",i);else if(null===n)t.reading=!1,d(e,t);else if(t.objectMode||n&&n.length>0)if(t.ended&&!o){var s=new Error("stream.push() after EOF");e.emit("error",s)}else if(t.endEmitted&&o){var u=new Error("stream.unshift() after end event");e.emit("error",u)}else{var c;!t.decoder||o||r||(n=t.decoder.write(n),c=!t.objectMode&&0===n.length),o||(t.reading=!1),c||(t.flowing&&0===t.length&&!t.sync?(e.emit("data",n),e.read(0)):(t.length+=t.objectMode?1:n.length,o?t.buffer.unshift(n):t.buffer.push(n),t.needReadable&&h(e))),p(e,t)}else o||(t.reading=!1);return a(t)}function a(e){return!e.ended&&(e.needReadable||e.length<e.highWaterMark||0===e.length)}function u(e){return e>=D?e=D:(e--,e|=e>>>1,e|=e>>>2,e|=e>>>4,e|=e>>>8,e|=e>>>16,e++),e}function c(e,t){return e<=0||0===t.length&&t.ended?0:t.objectMode?1:e!==e?t.flowing&&t.length?t.buffer.head.data.length:t.length:(e>t.highWaterMark&&(t.highWaterMark=u(e)),e<=t.length?e:t.ended?t.length:(t.needReadable=!0,0))}function f(e,t){var n=null;return R.isBuffer(t)||"string"==typeof t||null===t||void 0===t||e.objectMode||(n=new TypeError("Invalid non-string/buffer chunk")),n}function d(e,t){if(!t.ended){if(t.decoder){var n=t.decoder.end();n&&n.length&&(t.buffer.push(n),t.length+=t.objectMode?1:n.length)}t.ended=!0,h(e)}}function h(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(j("emitReadable",t.flowing),t.emittedReadable=!0,t.sync?C(l,e):l(e))}function l(e){j("emit readable"),e.emit("readable"),b(e)}function p(e,t){t.readingMore||(t.readingMore=!0,C(m,e,t))}function m(e,t){for(var n=t.length;!t.reading&&!t.flowing&&!t.ended&&t.length<t.highWaterMark&&(j("maybeReadMore read 0"),e.read(0),n!==t.length);)n=t.length;t.readingMore=!1}function g(e){return function(){var t=e._readableState;j("pipeOnDrain",t.awaitDrain),t.awaitDrain&&t.awaitDrain--,0===t.awaitDrain&&L(e,"data")&&(t.flowing=!0,b(e))}}function y(e){j("readable nexttick read 0"),e.read(0)}function _(e,t){t.resumeScheduled||(t.resumeScheduled=!0,C(v,e,t))}function v(e,t){t.reading||(j("resume read 0"),e.read(0)),t.resumeScheduled=!1,t.awaitDrain=0,e.emit("resume"),b(e),t.flowing&&!t.reading&&e.read(0)}function b(e){var t=e._readableState;for(j("flow",t.flowing);t.flowing&&null!==e.read(););}function w(e,t){if(0===t.length)return null;var n;return t.objectMode?n=t.buffer.shift():!e||e>=t.length?(n=t.decoder?t.buffer.join(""):1===t.buffer.length?t.buffer.head.data:t.buffer.concat(t.length),t.buffer.clear()):n=E(e,t.buffer,t.decoder),n}function E(e,t,n){var r;return e<t.head.data.length?(r=t.head.data.slice(0,e),t.head.data=t.head.data.slice(e)):r=e===t.head.data.length?t.shift():n?k(e,t):x(e,t),r}function k(e,t){var n=t.head,r=1,o=n.data;for(e-=o.length;n=n.next;){var i=n.data,s=e>i.length?i.length:e;if(s===i.length?o+=i:o+=i.slice(0,e),0===(e-=s)){s===i.length?(++r,n.next?t.head=n.next:t.head=t.tail=null):(t.head=n,n.data=i.slice(s));break}++r}return t.length-=r,o}function x(e,t){var n=O.allocUnsafe(e),r=t.head,o=1;for(r.data.copy(n),e-=r.data.length;r=r.next;){var i=r.data,s=e>i.length?i.length:e;if(i.copy(n,n.length-e,0,s),0===(e-=s)){s===i.length?(++o,r.next?t.head=r.next:t.head=t.tail=null):(t.head=r,r.data=i.slice(s));break}++o}return t.length-=o,n}function S(e){var t=e._readableState;if(t.length>0)throw new Error('"endReadable()" called on non-empty stream');t.endEmitted||(t.ended=!0,C(I,t,e))}function I(e,t){e.endEmitted||0!==e.length||(e.endEmitted=!0,t.readable=!1,t.emit("end"))}function B(e,t){for(var n=0,r=e.length;n<r;n++)if(e[n]===t)return n;return-1}t.exports=i;var A,C=e("process-nextick-args"),T=e("isarray");i.ReadableState=o;var L=(e("events").EventEmitter,function(e,t){return e.listeners(t).length}),U=e("./internal/streams/stream"),R=e("buffer").Buffer,O=e("buffer-shims"),M=e("core-util-is");M.inherits=e("inherits");var P=e("util"),j=void 0;j=P&&P.debuglog?P.debuglog("stream"):function(){};var H,N=e("./internal/streams/BufferList");M.inherits(i,U);var q=["error","close","destroy","pause","resume"];i.prototype.push=function(e,t){var n=this._readableState;return n.objectMode||"string"!=typeof e||(t=t||n.defaultEncoding)!==n.encoding&&(e=O.from(e,t),t=""),s(this,n,e,t,!1)},i.prototype.unshift=function(e){return s(this,this._readableState,e,"",!0)},i.prototype.isPaused=function(){return!1===this._readableState.flowing},i.prototype.setEncoding=function(t){return H||(H=e("string_decoder/").StringDecoder),this._readableState.decoder=new H(t),this._readableState.encoding=t,this};var D=8388608;i.prototype.read=function(e){j("read",e),e=parseInt(e,10);var t=this._readableState,n=e;if(0!==e&&(t.emittedReadable=!1),0===e&&t.needReadable&&(t.length>=t.highWaterMark||t.ended))return j("read: emitReadable",t.length,t.ended),0===t.length&&t.ended?S(this):h(this),null;if(0===(e=c(e,t))&&t.ended)return 0===t.length&&S(this),null;var r=t.needReadable;j("need readable",r),(0===t.length||t.length-e<t.highWaterMark)&&(r=!0,j("length less than watermark",r)),t.ended||t.reading?(r=!1,j("reading or ended",r)):r&&(j("do read"),t.reading=!0,t.sync=!0,0===t.length&&(t.needReadable=!0),this._read(t.highWaterMark),t.sync=!1,t.reading||(e=c(n,t)));var o;return o=e>0?w(e,t):null,null===o?(t.needReadable=!0,e=0):t.length-=e,0===t.length&&(t.ended||(t.needReadable=!0),n!==e&&t.ended&&S(this)),null!==o&&this.emit("data",o),o},i.prototype._read=function(e){this.emit("error",new Error("_read() is not implemented"))},i.prototype.pipe=function(e,t){function o(e){j("onunpipe"),e===h&&s()}function i(){j("onend"),e.end()}function s(){j("cleanup"),e.removeListener("close",c),e.removeListener("finish",f),e.removeListener("drain",y),e.removeListener("error",u),e.removeListener("unpipe",o),h.removeListener("end",i),h.removeListener("end",s),h.removeListener("data",a),_=!0,!l.awaitDrain||e._writableState&&!e._writableState.needDrain||y()}function a(t){j("ondata"),v=!1,!1!==e.write(t)||v||((1===l.pipesCount&&l.pipes===e||l.pipesCount>1&&-1!==B(l.pipes,e))&&!_&&(j("false write response, pause",h._readableState.awaitDrain),h._readableState.awaitDrain++,v=!0),h.pause())}function u(t){j("onerror",t),d(),e.removeListener("error",u),0===L(e,"error")&&e.emit("error",t)}function c(){e.removeListener("finish",f),d()}function f(){j("onfinish"),e.removeListener("close",c),d()}function d(){j("unpipe"),h.unpipe(e)}var h=this,l=this._readableState;switch(l.pipesCount){case 0:l.pipes=e;break;case 1:l.pipes=[l.pipes,e];break;default:l.pipes.push(e)}l.pipesCount+=1,j("pipe count=%d opts=%j",l.pipesCount,t);var p=(!t||!1!==t.end)&&e!==n.stdout&&e!==n.stderr,m=p?i:s;l.endEmitted?C(m):h.once("end",m),e.on("unpipe",o);var y=g(h);e.on("drain",y);var _=!1,v=!1;return h.on("data",a),r(e,"error",u),e.once("close",c),e.once("finish",f),e.emit("pipe",h),l.flowing||(j("pipe resume"),h.resume()),e},i.prototype.unpipe=function(e){var t=this._readableState;if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit("unpipe",this),this);if(!e){var n=t.pipes,r=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var o=0;o<r;o++)n[o].emit("unpipe",this);return this}var i=B(t.pipes,e);return-1===i?this:(t.pipes.splice(i,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this),this)},i.prototype.on=function(e,t){var n=U.prototype.on.call(this,e,t);if("data"===e)!1!==this._readableState.flowing&&this.resume();else if("readable"===e){var r=this._readableState;r.endEmitted||r.readableListening||(r.readableListening=r.needReadable=!0,r.emittedReadable=!1,r.reading?r.length&&h(this):C(y,this))}return n},i.prototype.addListener=i.prototype.on,i.prototype.resume=function(){var e=this._readableState;return e.flowing||(j("resume"),e.flowing=!0,_(this,e)),this},i.prototype.pause=function(){return j("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(j("pause"),this._readableState.flowing=!1,this.emit("pause")),this},i.prototype.wrap=function(e){var t=this._readableState,n=!1,r=this;e.on("end",function(){if(j("wrapped end"),t.decoder&&!t.ended){var e=t.decoder.end();e&&e.length&&r.push(e)}r.push(null)}),e.on("data",function(o){if(j("wrapped data"),t.decoder&&(o=t.decoder.write(o)),(!t.objectMode||null!==o&&void 0!==o)&&(t.objectMode||o&&o.length)){r.push(o)||(n=!0,e.pause())}});for(var o in e)void 0===this[o]&&"function"==typeof e[o]&&(this[o]=function(t){return function(){return e[t].apply(e,arguments)}}(o));for(var i=0;i<q.length;i++)e.on(q[i],r.emit.bind(r,q[i]));return r._read=function(t){j("wrapped _read",t),n&&(n=!1,e.resume())},r},i._fromList=w}).call(this,e("_process"))},{"./_stream_duplex":75,"./internal/streams/BufferList":80,"./internal/streams/stream":81,_process:66,buffer:24,"buffer-shims":23,"core-util-is":28,events:34,inherits:41,isarray:46,"process-nextick-args":65,"string_decoder/":102,util:21}],78:[function(e,t,n){"use strict";function r(e){this.afterTransform=function(t,n){return o(e,t,n)},this.needTransform=!1,this.transforming=!1,this.writecb=null,this.writechunk=null,this.writeencoding=null}function o(e,t,n){var r=e._transformState;r.transforming=!1;var o=r.writecb;if(!o)return e.emit("error",new Error("no writecb in Transform class"));r.writechunk=null,r.writecb=null,null!==n&&void 0!==n&&e.push(n),o(t);var i=e._readableState;i.reading=!1,(i.needReadable||i.length<i.highWaterMark)&&e._read(i.highWaterMark)}function i(e){if(!(this instanceof i))return new i(e);a.call(this,e),this._transformState=new r(this);var t=this;this._readableState.needReadable=!0,this._readableState.sync=!1,e&&("function"==typeof e.transform&&(this._transform=e.transform),"function"==typeof e.flush&&(this._flush=e.flush)),this.once("prefinish",function(){"function"==typeof this._flush?this._flush(function(e,n){s(t,e,n)}):s(t)})}function s(e,t,n){if(t)return e.emit("error",t);null!==n&&void 0!==n&&e.push(n);var r=e._writableState,o=e._transformState;if(r.length)throw new Error("Calling transform done when ws.length != 0");if(o.transforming)throw new Error("Calling transform done when still transforming");return e.push(null)}t.exports=i;var a=e("./_stream_duplex"),u=e("core-util-is");u.inherits=e("inherits"),u.inherits(i,a),i.prototype.push=function(e,t){return this._transformState.needTransform=!1,a.prototype.push.call(this,e,t)},i.prototype._transform=function(e,t,n){throw new Error("_transform() is not implemented")},i.prototype._write=function(e,t,n){var r=this._transformState;if(r.writecb=n,r.writechunk=e,r.writeencoding=t,!r.transforming){var o=this._readableState;(r.needTransform||o.needReadable||o.length<o.highWaterMark)&&this._read(o.highWaterMark)}},i.prototype._read=function(e){var t=this._transformState;null!==t.writechunk&&t.writecb&&!t.transforming?(t.transforming=!0,this._transform(t.writechunk,t.writeencoding,t.afterTransform)):t.needTransform=!0}},{"./_stream_duplex":75,"core-util-is":28,inherits:41}],79:[function(e,t,n){(function(n){"use strict";function r(){}function o(e,t,n){this.chunk=e,this.encoding=t,this.callback=n,this.next=null}function i(t,n){k=k||e("./_stream_duplex"),t=t||{},this.objectMode=!!t.objectMode,n instanceof k&&(this.objectMode=this.objectMode||!!t.writableObjectMode);var r=t.highWaterMark,o=this.objectMode?16:16384;this.highWaterMark=r||0===r?r:o,this.highWaterMark=~~this.highWaterMark,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1;var i=!1===t.decodeStrings;this.decodeStrings=!i,this.defaultEncoding=t.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(e){p(n,e)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.bufferedRequestCount=0,this.corkedRequestsFree=new E(this)}function s(t){if(k=k||e("./_stream_duplex"),!(L.call(s,this)||this instanceof k))return new s(t);this._writableState=new i(t,this),this.writable=!0,t&&("function"==typeof t.write&&(this._write=t.write),"function"==typeof t.writev&&(this._writev=t.writev)),A.call(this)}function a(e,t){var n=new Error("write after end");e.emit("error",n),x(t,n)}function u(e,t,n,r){var o=!0,i=!1;return null===n?i=new TypeError("May not write null values to stream"):"string"==typeof n||void 0===n||t.objectMode||(i=new TypeError("Invalid non-string/buffer chunk")),i&&(e.emit("error",i),x(r,i),o=!1),o}function c(e,t,n){return e.objectMode||!1===e.decodeStrings||"string"!=typeof t||(t=T.from(t,n)),t}function f(e,t,n,r,i,s){n||(r=c(t,r,i),C.isBuffer(r)&&(i="buffer"));var a=t.objectMode?1:r.length;t.length+=a;var u=t.length<t.highWaterMark;if(u||(t.needDrain=!0),t.writing||t.corked){var f=t.lastBufferedRequest;t.lastBufferedRequest=new o(r,i,s),f?f.next=t.lastBufferedRequest:t.bufferedRequest=t.lastBufferedRequest,t.bufferedRequestCount+=1}else d(e,t,!1,a,r,i,s);return u}function d(e,t,n,r,o,i,s){t.writelen=r,t.writecb=s,t.writing=!0,t.sync=!0,n?e._writev(o,t.onwrite):e._write(o,i,t.onwrite),t.sync=!1}function h(e,t,n,r,o){--t.pendingcb,n?x(o,r):o(r),e._writableState.errorEmitted=!0,e.emit("error",r)}function l(e){e.writing=!1,e.writecb=null,e.length-=e.writelen,e.writelen=0}function p(e,t){var n=e._writableState,r=n.sync,o=n.writecb;if(l(n),t)h(e,n,r,t,o);else{var i=_(n);i||n.corked||n.bufferProcessing||!n.bufferedRequest||y(e,n),r?S(m,e,n,i,o):m(e,n,i,o)}}function m(e,t,n,r){n||g(e,t),t.pendingcb--,r(),b(e,t)}function g(e,t){0===t.length&&t.needDrain&&(t.needDrain=!1,e.emit("drain"))}function y(e,t){t.bufferProcessing=!0;var n=t.bufferedRequest;if(e._writev&&n&&n.next){var r=t.bufferedRequestCount,o=new Array(r),i=t.corkedRequestsFree;i.entry=n;for(var s=0;n;)o[s]=n,n=n.next,s+=1;d(e,t,!0,t.length,o,"",i.finish),t.pendingcb++,t.lastBufferedRequest=null,i.next?(t.corkedRequestsFree=i.next,i.next=null):t.corkedRequestsFree=new E(t)}else{for(;n;){var a=n.chunk,u=n.encoding,c=n.callback;if(d(e,t,!1,t.objectMode?1:a.length,a,u,c),n=n.next,t.writing)break}null===n&&(t.lastBufferedRequest=null)}t.bufferedRequestCount=0,t.bufferedRequest=n,t.bufferProcessing=!1}function _(e){return e.ending&&0===e.length&&null===e.bufferedRequest&&!e.finished&&!e.writing}function v(e,t){t.prefinished||(t.prefinished=!0,e.emit("prefinish"))}function b(e,t){var n=_(t);return n&&(0===t.pendingcb?(v(e,t),t.finished=!0,e.emit("finish")):v(e,t)),n}function w(e,t,n){t.ending=!0,b(e,t),n&&(t.finished?x(n):e.once("finish",n)),t.ended=!0,e.writable=!1}function E(e){var t=this;this.next=null,this.entry=null,this.finish=function(n){var r=t.entry;for(t.entry=null;r;){var o=r.callback;e.pendingcb--,o(n),r=r.next}e.corkedRequestsFree?e.corkedRequestsFree.next=t:e.corkedRequestsFree=t}}t.exports=s;var k,x=e("process-nextick-args"),S=!n.browser&&["v0.10","v0.9."].indexOf(n.version.slice(0,5))>-1?setImmediate:x;s.WritableState=i;var I=e("core-util-is");I.inherits=e("inherits");var B={deprecate:e("util-deprecate")},A=e("./internal/streams/stream"),C=e("buffer").Buffer,T=e("buffer-shims");I.inherits(s,A),i.prototype.getBuffer=function(){for(var e=this.bufferedRequest,t=[];e;)t.push(e),e=e.next;return t},function(){try{Object.defineProperty(i.prototype,"buffer",{get:B.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.")})}catch(e){}}();var L;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(L=Function.prototype[Symbol.hasInstance],Object.defineProperty(s,Symbol.hasInstance,{value:function(e){return!!L.call(this,e)||e&&e._writableState instanceof i}})):L=function(e){return e instanceof this},s.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe, not readable"))},s.prototype.write=function(e,t,n){var o=this._writableState,i=!1,s=C.isBuffer(e);return"function"==typeof t&&(n=t,t=null),s?t="buffer":t||(t=o.defaultEncoding),"function"!=typeof n&&(n=r),o.ended?a(this,n):(s||u(this,o,e,n))&&(o.pendingcb++,i=f(this,o,s,e,t,n)),i},s.prototype.cork=function(){this._writableState.corked++},s.prototype.uncork=function(){var e=this._writableState;e.corked&&(e.corked--,e.writing||e.corked||e.finished||e.bufferProcessing||!e.bufferedRequest||y(this,e))},s.prototype.setDefaultEncoding=function(e){if("string"==typeof e&&(e=e.toLowerCase()),!(["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((e+"").toLowerCase())>-1))throw new TypeError("Unknown encoding: "+e);return this._writableState.defaultEncoding=e,this},s.prototype._write=function(e,t,n){n(new Error("_write() is not implemented"))},s.prototype._writev=null,s.prototype.end=function(e,t,n){var r=this._writableState;"function"==typeof e?(n=e,e=null,t=null):"function"==typeof t&&(n=t,t=null),null!==e&&void 0!==e&&this.write(e,t),r.corked&&(r.corked=1,this.uncork()),r.ending||r.finished||w(this,r,n)}}).call(this,e("_process"))},{"./_stream_duplex":75,"./internal/streams/stream":81,_process:66,buffer:24,"buffer-shims":23,"core-util-is":28,inherits:41,"process-nextick-args":65,"util-deprecate":115}],80:[function(e,t,n){"use strict";function r(){this.head=null,this.tail=null,this.length=0}var o=(e("buffer").Buffer,e("buffer-shims"));t.exports=r,r.prototype.push=function(e){var t={data:e,next:null};this.length>0?this.tail.next=t:this.head=t,this.tail=t,++this.length},r.prototype.unshift=function(e){var t={data:e,next:this.head};0===this.length&&(this.tail=t),this.head=t,++this.length},r.prototype.shift=function(){if(0!==this.length){var e=this.head.data;return 1===this.length?this.head=this.tail=null:this.head=this.head.next,--this.length,e}},r.prototype.clear=function(){this.head=this.tail=null,this.length=0},r.prototype.join=function(e){if(0===this.length)return"";for(var t=this.head,n=""+t.data;t=t.next;)n+=e+t.data;return n},r.prototype.concat=function(e){if(0===this.length)return o.alloc(0);if(1===this.length)return this.head.data;for(var t=o.allocUnsafe(e>>>0),n=this.head,r=0;n;)n.data.copy(t,r),r+=n.data.length,n=n.next;return t}},{buffer:24,"buffer-shims":23}],81:[function(e,t,n){t.exports=e("events").EventEmitter},{events:34}],82:[function(e,t,n){n=t.exports=e("./lib/_stream_readable.js"),n.Stream=n,n.Readable=n,n.Writable=e("./lib/_stream_writable.js"),n.Duplex=e("./lib/_stream_duplex.js"),n.Transform=e("./lib/_stream_transform.js"),n.PassThrough=e("./lib/_stream_passthrough.js")},{"./lib/_stream_duplex.js":75,"./lib/_stream_passthrough.js":76,"./lib/_stream_readable.js":77,"./lib/_stream_transform.js":78,"./lib/_stream_writable.js":79}],83:[function(e,t,n){function r(e,t,n,r){"function"==typeof n&&(r=n,n={}),n||(n={}),r||(r=function(){}),a(e),c(n),"string"==typeof t&&(t=document.querySelector(t)),i(e,function(n){if(t.nodeName!==n.toUpperCase()){var r=l.extname(e.name).toLowerCase();throw new Error('Cannot render "'+r+'" inside a "'+t.nodeName.toLowerCase()+'" element, expected "'+n+'"')}return t},n,r)}function o(e,t,n,r){function o(e){return"video"===e||"audio"===e?s(e):u(e)}function s(e){var r=u(e);return n.controls&&(r.controls=!0),n.autoplay&&(r.autoplay=!0),t.appendChild(r),r}function u(e){var n=document.createElement(e);return t.appendChild(n),n}function f(e,t){e&&t&&t.remove(),r(e,t)}if("function"==typeof n&&(r=n,n={}),n||(n={}),r||(r=function(){}),a(e),c(n),"string"==typeof t&&(t=document.querySelector(t)),t&&("VIDEO"===t.nodeName||"AUDIO"===t.nodeName))throw new Error("Invalid video/audio node argument. Argument must be root element that video/audio tag will be appended to.");i(e,o,n,f)}function i(e,t,n,r){function o(){p.removeEventListener("loadstart",o),n.autoplay&&p.play()}function i(){p.removeEventListener("canplay",i),r(null,p)}function a(){p=t("iframe"),s(e,function(e,t){if(e)return c(e);p.src=t,".pdf"!==_&&(p.sandbox="allow-forms allow-scripts"),r(null,p)})}function c(t){t.message='Error rendering file "'+e.name+'": '+t.message,f(t.message),r(t)}var p,_=l.extname(e.name).toLowerCase(),k=0;v.indexOf(_)>=0?function(){function r(){f("Use MediaSource API for "+e.name),v(),p.addEventListener("error",l),p.addEventListener("loadstart",o),p.addEventListener("canplay",i);var t=new h(p),n=t.createWriteStream(u(e.name));e.createReadStream().pipe(n),k&&(p.currentTime=k)}function a(){f("Use Blob URL for "+e.name),v(),p.addEventListener("error",c),p.addEventListener("loadstart",o),p.addEventListener("canplay",i),s(e,function(e,t){if(e)return c(e);p.src=t,k&&(p.currentTime=k)})}function d(e){f("videostream error: fallback to MediaSource API: %o",e.message||e),p.removeEventListener("error",d),p.removeEventListener("canplay",i),r()}function l(t){if(f("MediaSource API error: fallback to Blob URL: %o",t.message||t),"number"==typeof e.length&&e.length>n.maxBlobLength)return f("File length too large for Blob URL approach: %d (max: %d)",e.length,n.maxBlobLength),c(new Error("File length too large for Blob URL approach: "+e.length+" (max: "+n.maxBlobLength+")"));p.removeEventListener("error",l),p.removeEventListener("canplay",i),a()}function v(){p||(p=t(b),p.addEventListener("progress",function(){k=p.currentTime}))}var b=y.indexOf(_)>=0?"video":"audio";x?g.indexOf(_)>=0?function(){f("Use `videostream` package for "+e.name),v(),p.addEventListener("error",d),p.addEventListener("loadstart",o),p.addEventListener("canplay",i),m(e,p)}():r():a()}():b.indexOf(_)>=0?function(){p=t("audio"),s(e,function(e,t){if(e)return c(e);p.addEventListener("error",c),p.addEventListener("loadstart",o),p.addEventListener("canplay",i),p.src=t})}():w.indexOf(_)>=0?function(){p=t("img"),s(e,function(t,n){if(t)return c(t);p.src=n,p.alt=e.name,r(null,p)})}():E.indexOf(_)>=0?a():function(){function t(){d(n)?(f('File extension "%s" appears ascii, so will render.',_),a()):(f('File extension "%s" appears non-ascii, will not render.',_),r(new Error('Unsupported file type "'+_+'": Cannot append to DOM')))}f('Unknown file extension "%s" - will attempt to render into iframe',_);var n="";e.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",function(e){n+=e}).on("end",t).on("error",r)}()}function s(e,t){var r=l.extname(e.name).toLowerCase();p(e.createReadStream(),n.mime[r],t)}function a(e){if(null==e)throw new Error("file cannot be null or undefined");if("string"!=typeof e.name)throw new Error("missing or invalid file.name property");if("function"!=typeof e.createReadStream)throw new Error("missing or invalid file.createReadStream property")}function u(e){return{".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mkv":'video/webm; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[l.extname(e).toLowerCase()]}function c(e){null==e.autoplay&&(e.autoplay=!0),null==e.controls&&(e.controls=!0),null==e.maxBlobLength&&(e.maxBlobLength=k)}n.render=r,n.append=o,n.mime=e("./lib/mime.json");var f=e("debug")("render-media"),d=e("is-ascii"),h=e("mediasource"),l=e("path"),p=e("stream-to-blob-url"),m=e("videostream"),g=[".m4a",".m4v",".mp4"],y=[".m4v",".mkv",".mp4",".webm"],_=[".m4a",".mp3"],v=[].concat(y,_),b=[".aac",".oga",".ogg",".wav"],w=[".bmp",".gif",".jpeg",".jpg",".png",".svg"],E=[".css",".html",".js",".md",".pdf",".txt"],k=2e8,x="undefined"!=typeof window&&window.MediaSource},{"./lib/mime.json":84,debug:30,"is-ascii":42,mediasource:49,path:63,"stream-to-blob-url":99,videostream:117}],84:[function(e,t,n){t.exports={".3gp":"video/3gpp",".aac":"audio/aac",".aif":"audio/x-aiff",".aiff":"audio/x-aiff",".atom":"application/atom+xml",".avi":"video/x-msvideo",".bmp":"image/bmp",".bz2":"application/x-bzip2",".conf":"text/plain",".css":"text/css",".csv":"text/plain",".diff":"text/x-diff",".doc":"application/msword",".flv":"video/x-flv",".gif":"image/gif",".gz":"application/x-gzip",".htm":"text/html",".html":"text/html",".ico":"image/vnd.microsoft.icon",".ics":"text/calendar",".iso":"application/octet-stream",".jar":"application/java-archive",".jpeg":"image/jpeg",".jpg":"image/jpeg",".js":"application/javascript",".json":"application/json",".less":"text/css",".log":"text/plain",".m3u":"audio/x-mpegurl",".m4a":"audio/mp4",".m4v":"video/mp4",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},{}],85:[function(e,t,n){(function(e){t.exports=function(t,n,r){function o(t){function n(){r&&r(t,s),r=null}d?e.nextTick(n):n()}function i(e,n,r){if(s[e]=r,n&&(f=!0),0==--u||n)o(n);else if(!f&&h<a){var d;c?(d=c[h],h+=1,t[d](function(e,t){i(d,e,t)})):(d=h,h+=1,t[d](function(e,t){i(d,e,t)}))}}if("number"!=typeof n)throw new Error("second argument must be a Number");var s,a,u,c,f,d=!0;Array.isArray(t)?(s=[],u=a=t.length):(c=Object.keys(t),s={},u=a=c.length);var h=n;u?c?c.some(function(e,r){if(t[e](function(t,n){i(e,t,n)}),r===n-1)return!0}):t.some(function(e,t){if(e(function(e,n){i(t,e,n)}),t===n-1)return!0}):o(null),d=!1}}).call(this,e("_process"))},{_process:66}],86:[function(e,t,n){(function(e){t.exports=function(t,n){function r(t){function r(){n&&n(t,i),n=null}u?e.nextTick(r):r()}function o(e,t,n){i[e]=n,(0==--s||t)&&r(t)}var i,s,a,u=!0;Array.isArray(t)?(i=[],s=t.length):(a=Object.keys(t),i={},s=a.length),s?a?a.forEach(function(e){t[e](function(t,n){o(e,t,n)})}):t.forEach(function(e,t){e(function(e,n){o(t,e,n)})}):r(null),u=!1}}).call(this,e("_process"))},{_process:66}],87:[function(e,t,n){(function(e){!function(){function n(e){"use strict";for(var t={fill:0},i=function(e){for(e+=9;e%64>0;e+=1);return e},s=function(e,t){var n=new Uint8Array(e.buffer),r=t%4,o=t-r;switch(r){case 0:n[o+3]=0;case 1:
n[o+2]=0;case 2:n[o+1]=0;case 3:n[o+0]=0}for(var i=1+(t>>2);i<e.length;i++)e[i]=0},a=function(e,t,n){e[t>>2]|=128<<24-(t%4<<3),e[14+(2+(t>>2)&-16)]=n/(1<<29)|0,e[15+(2+(t>>2)&-16)]=n<<3},u=function(e,t,n,r,o){var i,s=this,a=o%4,u=(r+a)%4,c=r-u;switch(a){case 0:e[o]=s.charCodeAt(n+3);case 1:e[o+1-(a<<1)|0]=s.charCodeAt(n+2);case 2:e[o+2-(a<<1)|0]=s.charCodeAt(n+1);case 3:e[o+3-(a<<1)|0]=s.charCodeAt(n)}if(!(r<u+a)){for(i=4-a;i<c;i=i+4|0)t[o+i>>2]=s.charCodeAt(n+i)<<24|s.charCodeAt(n+i+1)<<16|s.charCodeAt(n+i+2)<<8|s.charCodeAt(n+i+3);switch(u){case 3:e[o+c+1|0]=s.charCodeAt(n+c+2);case 2:e[o+c+2|0]=s.charCodeAt(n+c+1);case 1:e[o+c+3|0]=s.charCodeAt(n+c)}}},c=function(e,t,n,r,o){var i,s=this,a=o%4,u=(r+a)%4,c=r-u;switch(a){case 0:e[o]=s[n+3];case 1:e[o+1-(a<<1)|0]=s[n+2];case 2:e[o+2-(a<<1)|0]=s[n+1];case 3:e[o+3-(a<<1)|0]=s[n]}if(!(r<u+a)){for(i=4-a;i<c;i=i+4|0)t[o+i>>2|0]=s[n+i]<<24|s[n+i+1]<<16|s[n+i+2]<<8|s[n+i+3];switch(u){case 3:e[o+c+1|0]=s[n+c+2];case 2:e[o+c+2|0]=s[n+c+1];case 1:e[o+c+3|0]=s[n+c]}}},f=function(e,t,n,r,i){var s,a=this,u=i%4,c=(r+u)%4,f=r-c,d=new Uint8Array(o.readAsArrayBuffer(a.slice(n,n+r)));switch(u){case 0:e[i]=d[3];case 1:e[i+1-(u<<1)|0]=d[2];case 2:e[i+2-(u<<1)|0]=d[1];case 3:e[i+3-(u<<1)|0]=d[0]}if(!(r<c+u)){for(s=4-u;s<f;s=s+4|0)t[i+s>>2|0]=d[s]<<24|d[s+1]<<16|d[s+2]<<8|d[s+3];switch(c){case 3:e[i+f+1|0]=d[f+2];case 2:e[i+f+2|0]=d[f+1];case 1:e[i+f+3|0]=d[f]}}},d=function(e){switch(r.getDataType(e)){case"string":return u.bind(e);case"array":case"buffer":return c.bind(e);case"arraybuffer":return c.bind(new Uint8Array(e));case"view":return c.bind(new Uint8Array(e.buffer,e.byteOffset,e.byteLength));case"blob":return f.bind(e)}},h=new Array(256),l=0;l<256;l++)h[l]=(l<16?"0":"")+l.toString(16);var p=function(e){for(var t=new Uint8Array(e),n=new Array(e.byteLength),r=0;r<n.length;r++)n[r]=h[t[r]];return n.join("")},m=function(e){var t;if(e<=65536)return 65536;if(e<16777216)for(t=1;t<e;t<<=1);else for(t=16777216;t<e;t+=16777216);return t};!function(e){if(e%64>0)throw new Error("Chunk size must be a multiple of 128 bit");t.offset=0,t.maxChunkLen=e,t.padMaxChunkLen=i(e),t.heap=new ArrayBuffer(m(t.padMaxChunkLen+320+20)),t.h32=new Int32Array(t.heap),t.h8=new Int8Array(t.heap),t.core=new n._core({Int32Array:Int32Array,DataView:DataView},{},t.heap),t.buffer=null}(e||65536);var g=function(e,n){t.offset=0;var r=new Int32Array(e,n+320,5);r[0]=1732584193,r[1]=-271733879,r[2]=-1732584194,r[3]=271733878,r[4]=-1009589776},y=function(e,n){var r=i(e),o=new Int32Array(t.heap,0,r>>2);return s(o,e),a(o,e,n),r},_=function(e,n,r,o){d(e)(t.h8,t.h32,n,r,o||0)},v=function(e,n,r,o,i){var s=r;_(e,n,r),i&&(s=y(r,o)),t.core.hash(s,t.padMaxChunkLen)},b=function(e,t){var n=new Int32Array(e,t+320,5),r=new Int32Array(5),o=new DataView(r.buffer);return o.setInt32(0,n[0],!1),o.setInt32(4,n[1],!1),o.setInt32(8,n[2],!1),o.setInt32(12,n[3],!1),o.setInt32(16,n[4],!1),r},w=this.rawDigest=function(e){var n=e.byteLength||e.length||e.size||0;g(t.heap,t.padMaxChunkLen);var r=0,o=t.maxChunkLen;for(r=0;n>r+o;r+=o)v(e,r,o,n,!1);return v(e,r,n-r,n,!0),b(t.heap,t.padMaxChunkLen)};this.digest=this.digestFromString=this.digestFromBuffer=this.digestFromArrayBuffer=function(e){return p(w(e).buffer)},this.resetState=function(){return g(t.heap,t.padMaxChunkLen),this},this.append=function(e){var n,r=0,o=e.byteLength||e.length||e.size||0,i=t.offset%t.maxChunkLen;for(t.offset+=o;r<o;)n=Math.min(o-r,t.maxChunkLen-i),_(e,r,n,i),i+=n,r+=n,i===t.maxChunkLen&&(t.core.hash(t.maxChunkLen,t.padMaxChunkLen),i=0);return this},this.getState=function(){var e,n=t.offset%t.maxChunkLen;if(n)e=t.heap.slice(0);else{var r=new Int32Array(t.heap,t.padMaxChunkLen+320,5);e=r.buffer.slice(r.byteOffset,r.byteOffset+r.byteLength)}return{offset:t.offset,heap:e}},this.setState=function(e){if(t.offset=e.offset,20===e.heap.byteLength){new Int32Array(t.heap,t.padMaxChunkLen+320,5).set(new Int32Array(e.heap))}else t.h32.set(new Int32Array(e.heap));return this};var E=this.rawEnd=function(){var e=t.offset,n=e%t.maxChunkLen,r=y(n,e);t.core.hash(r,t.padMaxChunkLen);var o=b(t.heap,t.padMaxChunkLen);return g(t.heap,t.padMaxChunkLen),o};this.end=function(){return p(E().buffer)}}var r={getDataType:function(t){if("string"==typeof t)return"string";if(t instanceof Array)return"array";if(void 0!==e&&e.Buffer&&e.Buffer.isBuffer(t))return"buffer";if(t instanceof ArrayBuffer)return"arraybuffer";if(t.buffer instanceof ArrayBuffer)return"view";if(t instanceof Blob)return"blob";throw new Error("Unsupported data type.")}};if(n._core=function(e,t,n){"use asm";var r=new e.Int32Array(n);function o(e,t){e=e|0;t=t|0;var n=0,o=0,i=0,s=0,a=0,u=0,c=0,f=0,d=0,h=0,l=0,p=0,m=0,g=0;i=r[t+320>>2]|0;a=r[t+324>>2]|0;c=r[t+328>>2]|0;d=r[t+332>>2]|0;l=r[t+336>>2]|0;for(n=0;(n|0)<(e|0);n=n+64|0){s=i;u=a;f=c;h=d;p=l;for(o=0;(o|0)<64;o=o+4|0){g=r[n+o>>2]|0;m=((i<<5|i>>>27)+(a&c|~a&d)|0)+((g+l|0)+1518500249|0)|0;l=d;d=c;c=a<<30|a>>>2;a=i;i=m;r[e+o>>2]=g}for(o=e+64|0;(o|0)<(e+80|0);o=o+4|0){g=(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])<<1|(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])>>>31;m=((i<<5|i>>>27)+(a&c|~a&d)|0)+((g+l|0)+1518500249|0)|0;l=d;d=c;c=a<<30|a>>>2;a=i;i=m;r[o>>2]=g}for(o=e+80|0;(o|0)<(e+160|0);o=o+4|0){g=(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])<<1|(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])>>>31;m=((i<<5|i>>>27)+(a^c^d)|0)+((g+l|0)+1859775393|0)|0;l=d;d=c;c=a<<30|a>>>2;a=i;i=m;r[o>>2]=g}for(o=e+160|0;(o|0)<(e+240|0);o=o+4|0){g=(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])<<1|(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])>>>31;m=((i<<5|i>>>27)+(a&c|a&d|c&d)|0)+((g+l|0)-1894007588|0)|0;l=d;d=c;c=a<<30|a>>>2;a=i;i=m;r[o>>2]=g}for(o=e+240|0;(o|0)<(e+320|0);o=o+4|0){g=(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])<<1|(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])>>>31;m=((i<<5|i>>>27)+(a^c^d)|0)+((g+l|0)-899497514|0)|0;l=d;d=c;c=a<<30|a>>>2;a=i;i=m;r[o>>2]=g}i=i+s|0;a=a+u|0;c=c+f|0;d=d+h|0;l=l+p|0}r[t+320>>2]=i;r[t+324>>2]=a;r[t+328>>2]=c;r[t+332>>2]=d;r[t+336>>2]=l}return{hash:o}},void 0!==t?t.exports=n:"undefined"!=typeof window&&(window.Rusha=n),"undefined"!=typeof FileReaderSync){var o=new FileReaderSync,i=new n(4194304);self.onmessage=function(e){var t,n=e.data.data;try{t=i.digest(n),self.postMessage({id:e.data.id,hash:t})}catch(t){self.postMessage({id:e.data.id,error:t.name})}}}}()}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],88:[function(e,t,n){t.exports=e("buffer")},{buffer:24}],89:[function(e,t,n){(function(e){t.exports=function(t,n){var r=[];t.on("data",function(e){r.push(e)}),t.once("end",function(){n&&n(null,e.concat(r)),n=null}),t.once("error",function(e){n&&n(e),n=null})}}).call(this,e("buffer").Buffer)},{buffer:24}],90:[function(e,t,n){(function(n){function r(e,t){e="string"==typeof e?{url:e}:Object.assign({},e),t=u(t),e.url&&o(e),null==e.headers&&(e.headers={}),null==e.maxRedirects&&(e.maxRedirects=10);var i;e.form&&(i="string"==typeof e.form?e.form:c.stringify(e.form)),e.body&&(i=e.json?JSON.stringify(e.body):e.body),e.json&&(e.headers.accept="application/json"),e.json&&i&&(e.headers["content-type"]="application/json"),e.form&&(e.headers["content-type"]="application/x-www-form-urlencoded"),i&&(e.headers["content-length"]=n.byteLength(i)),delete e.body,delete e.form,i&&!e.method&&(e.method="POST"),e.method&&(e.method=e.method.toUpperCase()),Object.keys(e.headers).some(function(e){return"accept-encoding"===e.toLowerCase()})||(e.headers["accept-encoding"]="gzip, deflate");var d="https:"===e.protocol?a:s,h=d.request(e,function(n){if(n.statusCode>=300&&n.statusCode<400&&"location"in n.headers)return e.url=n.headers.location,n.resume(),void(e.maxRedirects>0?(e.maxRedirects-=1,r(e,t)):t(new Error("too many redirects")));var o="function"==typeof f&&"HEAD"!==e.method;t(null,o?f(n):n)});return h.on("timeout",function(){h.abort(),t(new Error("Request timed out"))}),h.on("error",t),h.end(i),h}function o(e){var t=d.parse(e.url);t.hostname&&(e.hostname=t.hostname),t.port&&(e.port=t.port),t.protocol&&(e.protocol=t.protocol),t.auth&&(e.auth=t.auth),e.path=t.path,delete e.url}t.exports=r;var i=e("simple-concat"),s=e("http"),a=e("https"),u=e("once"),c=e("querystring"),f=e("unzip-response"),d=e("url");r.concat=function(e,t){return r(e,function(n,r){if(n)return t(n);i(r,function(n,o){if(n)return t(n);if(e.json)try{o=JSON.parse(o.toString())}catch(n){return t(n,r,o)}t(null,r,o)})})},["get","post","put","patch","head","delete"].forEach(function(e){r[e]=function(t,n){return"string"==typeof t&&(t={url:t}),t.method=e.toUpperCase(),r(t,n)}})}).call(this,e("buffer").Buffer)},{buffer:24,http:95,https:38,once:60,querystring:71,"simple-concat":89,"unzip-response":21,url:112}],91:[function(e,t,n){(function(n){function r(e){var t=this;if(!(t instanceof r))return new r(e);if(t._id=u(4).toString("hex").slice(0,7),t._debug("new peer %o",e),e=Object.assign({allowHalfOpen:!1},e),c.Duplex.call(t,e),t.channelName=e.initiator?e.channelName||u(20).toString("hex"):null,t._isChromium="undefined"!=typeof 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.reconnectTimer=e.reconnectTimer||!1,t.sdpTransform=e.sdpTransform||function(e){return e},t.stream=e.stream||!1,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:s(),!t._wrtc)throw"undefined"==typeof window?new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"):new Error("No WebRTC support: Not a supported browser");if(t._pcReady=!1,t._channelReady=!1,t._iceComplete=!1,t._channel=null,t._pendingCandidates=[],t._previousStreams=[],t._chunk=null,t._cb=null,t._interval=null,t._reconnectTimeout=null,t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints),t._isWrtc=Array.isArray(t._pc.RTCIceConnectionStates),t._isReactNativeWebrtc="number"==typeof t._pc._peerConnectionId,t._pc.oniceconnectionstatechange=function(){t._onIceStateChange()},t._pc.onicegatheringstatechange=function(){t._onIceStateChange()},t._pc.onsignalingstatechange=function(){t._onSignalingStateChange()},t._pc.onicecandidate=function(e){t._onIceCandidate(e)},t.initiator){var n=!1;t._pc.onnegotiationneeded=function(){n||t._createOffer(),n=!0},t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)})}else t._pc.ondatachannel=function(e){t._setupData(e)};"addTrack"in t._pc?(t.stream&&t.stream.getTracks().forEach(function(e){t._pc.addTrack(e,t.stream)}),t._pc.ontrack=function(e){t._onTrack(e)}):(t.stream&&t._pc.addStream(t.stream),t._pc.onaddstream=function(e){t._onAddStream(e)}),t.initiator&&t._isWrtc&&t._pc.onnegotiationneeded(),t._onFinishBound=function(){t._onFinish()},t.once("finish",t._onFinishBound)}function o(){}t.exports=r;var i=e("debug")("simple-peer"),s=e("get-browser-rtc"),a=e("inherits"),u=e("randombytes"),c=e("readable-stream");a(r,c.Duplex),r.WEBRTC_SUPPORT=!!s(),r.config={iceServers:[{urls:"stun:stun.l.google.com:19302"},{urls:"stun:global.stun.twilio.com:3478?transport=udp"}]},r.constraints={},r.channelConfig={},Object.defineProperty(r.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}}),r.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}},r.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if("string"==typeof e)try{e=JSON.parse(e)}catch(t){e={}}t._debug("signal()"),e.candidate&&(t._pc.remoteDescription?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(e)}),e.sdp||e.candidate||t._destroy(new Error("signal() called with invalid signal data"))},r.prototype._addIceCandidate=function(e){var t=this;try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e),o,function(e){t._destroy(e)})}catch(e){t._destroy(new Error("error adding candidate: "+e.message))}},r.prototype.send=function(e){var t=this;t._isWrtc&&n.isBuffer(e)&&(e=new Uint8Array(e)),t._channel.send(e)},r.prototype.destroy=function(e){this._destroy(null,e)},r.prototype._destroy=function(e,t){var n=this;if(!n.destroyed){if(t&&n.once("close",t),n._debug("destroy (error: %s)",e&&(e.message||e)),n.readable=n.writable=!1,n._readableState.ended||n.push(null),n._writableState.finished||n.end(),n.destroyed=!0,n.connected=!1,n._pcReady=!1,n._channelReady=!1,n._previousStreams=null,clearInterval(n._interval),clearTimeout(n._reconnectTimeout),n._interval=null,n._reconnectTimeout=null,n._chunk=null,n._cb=null,n._onFinishBound&&n.removeListener("finish",n._onFinishBound),n._onFinishBound=null,n._pc){try{n._pc.close()}catch(e){}n._pc.oniceconnectionstatechange=null,n._pc.onicegatheringstatechange=null,n._pc.onsignalingstatechange=null,n._pc.onicecandidate=null,"addTrack"in n._pc?n._pc.ontrack=null:n._pc.onaddstream=null,n._pc.onnegotiationneeded=null,n._pc.ondatachannel=null}if(n._channel){try{n._channel.close()}catch(e){}n._channel.onmessage=null,n._channel.onopen=null,n._channel.onclose=null,n._channel.onerror=null}n._pc=null,n._channel=null,e&&n.emit("error",e),n.emit("close")}},r.prototype._setupData=function(e){var t=this;if(!e.channel)return t._destroy(new Error("Data channel event is missing `channel` property"));t._channel=e.channel,t._channel.binaryType="arraybuffer","number"==typeof t._channel.bufferedAmountLowThreshold&&(t._channel.bufferedAmountLowThreshold=65536),t.channelName=t._channel.label,t._channel.onmessage=function(e){t._onChannelMessage(e)},t._channel.onbufferedamountlow=function(){t._onChannelBufferedAmountLow()},t._channel.onopen=function(){t._onChannelOpen()},t._channel.onclose=function(){t._onChannelClose()},t._channel.onerror=function(e){t._destroy(e)}},r.prototype._read=function(){},r.prototype._write=function(e,t,n){var r=this;if(r.destroyed)return n(new Error("cannot write after peer is destroyed"));if(r.connected){try{r.send(e)}catch(e){return r._destroy(e)}r._channel.bufferedAmount>65536?(r._debug("start backpressure: bufferedAmount %d",r._channel.bufferedAmount),r._cb=n):n(null)}else r._debug("write before connect"),r._chunk=e,r._cb=n},r.prototype._onFinish=function(){function e(){setTimeout(function(){t._destroy()},1e3)}var t=this;t.destroyed||(t.connected?e():t.once("connect",e))},r.prototype._createOffer=function(){var e=this;e.destroyed||e._pc.createOffer(function(t){function n(){e.destroyed||(e.trickle||e._iceComplete?o():e.once("_iceComplete",o))}function r(t){e._destroy(t)}function o(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})}e.destroyed||(t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,n,r))},function(t){e._destroy(t)},e.offerConstraints)},r.prototype._createAnswer=function(){var e=this;e.destroyed||e._pc.createAnswer(function(t){function n(){e.destroyed||(e.trickle||e._iceComplete?o():e.once("_iceComplete",o))}function r(t){e._destroy(t)}function o(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})}e.destroyed||(t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,n,r))},function(t){e._destroy(t)},e.answerConstraints)},r.prototype._onIceStateChange=function(){var e=this;if(!e.destroyed){var t=e._pc.iceConnectionState,n=e._pc.iceGatheringState;e._debug("iceStateChange (connection: %s) (gathering: %s)",t,n),e.emit("iceStateChange",t,n),"connected"!==t&&"completed"!==t||(clearTimeout(e._reconnectTimeout),e._pcReady=!0,e._maybeReady()),"disconnected"===t&&(e.reconnectTimer?(clearTimeout(e._reconnectTimeout),e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)):e._destroy()),"failed"===t&&e._destroy(new Error("Ice connection failed.")),"closed"===t&&e._destroy()}},r.prototype.getStats=function(e){var t=this;0===t._pc.getStats.length?t._pc.getStats().then(function(t){var 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)}):t._pc.getStats.length>0?t._pc.getStats(function(t){var n=[];t.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,n.push(t)}),e(null,n)},function(t){e(t)}):e(null,[])},r.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady),!e.connected&&!e._connecting&&e._pcReady&&e._channelReady&&(e._connecting=!0,e.getStats(function(t,n){function r(t){var n=i[t.localCandidateId];n&&n.ip?(e.localAddress=n.ip,e.localPort=Number(n.port)):n&&n.ipAddress?(e.localAddress=n.ipAddress,e.localPort=Number(n.portNumber)):"string"==typeof t.googLocalAddress&&(n=t.googLocalAddress.split(":"),e.localAddress=n[0],e.localPort=Number(n[1]));var r=o[t.remoteCandidateId];r&&r.ip?(e.remoteAddress=r.ip,e.remotePort=Number(r.port)):r&&r.ipAddress?(e.remoteAddress=r.ipAddress,e.remotePort=Number(r.portNumber)):"string"==typeof t.googRemoteAddress&&(r=t.googRemoteAddress.split(":"),e.remoteAddress=r[0],e.remotePort=Number(r[1])),e.remoteFamily="IPv4",e._debug("connect local: %s:%s remote: %s:%s",e.localAddress,e.localPort,e.remoteAddress,e.remotePort)}if(!e.destroyed){t&&(n=[]),e._connecting=!1,e.connected=!0;var o={},i={},s={};if(n.forEach(function(e){"remotecandidate"!==e.type&&"remote-candidate"!==e.type||(o[e.id]=e),"localcandidate"!==e.type&&"local-candidate"!==e.type||(i[e.id]=e),"candidatepair"!==e.type&&"candidate-pair"!==e.type||(s[e.id]=e)}),n.forEach(function(e){"transport"===e.type&&r(s[e.selectedCandidatePairId]),("googCandidatePair"===e.type&&"true"===e.googActiveConnection||("candidatepair"===e.type||"candidate-pair"===e.type)&&e.selected)&&r(e)}),e._chunk){try{e.send(e._chunk)}catch(t){return e._destroy(t)}e._chunk=null,e._debug('sent chunk from "write before connect"');var a=e._cb;e._cb=null,a(null)}"number"!=typeof e._channel.bufferedAmountLowThreshold&&(e._interval=setInterval(function(){e._onInterval()},150),e._interval.unref&&e._interval.unref()),e._debug("connect"),e.emit("connect")}}))},r.prototype._onInterval=function(){!this._cb||!this._channel||this._channel.bufferedAmount>65536||this._onChannelBufferedAmountLow()},r.prototype._onSignalingStateChange=function(){var e=this;e.destroyed||(e._debug("signalingStateChange %s",e._pc.signalingState),e.emit("signalingStateChange",e._pc.signalingState))},r.prototype._onIceCandidate=function(e){var t=this;t.destroyed||(e.candidate&&t.trickle?t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}}):e.candidate||(t._iceComplete=!0,t.emit("_iceComplete")))},r.prototype._onChannelMessage=function(e){var t=this;if(!t.destroyed){var r=e.data;r instanceof ArrayBuffer&&(r=n.from(r)),t.push(r)}},r.prototype._onChannelBufferedAmountLow=function(){var e=this;if(!e.destroyed&&e._cb){e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null,t(null)}},r.prototype._onChannelOpen=function(){var e=this;e.connected||e.destroyed||(e._debug("on channel open"),e._channelReady=!0,e._maybeReady())},r.prototype._onChannelClose=function(){var e=this;e.destroyed||(e._debug("on channel close"),e._destroy())},r.prototype._onAddStream=function(e){var t=this;t.destroyed||(t._debug("on add stream"),t.emit("stream",e.stream))},r.prototype._onTrack=function(e){var t=this;if(!t.destroyed){t._debug("on track");var n=e.streams[0].id;-1===t._previousStreams.indexOf(n)&&(t._previousStreams.push(n),t.emit("stream",e.streams[0]))}},r.prototype._debug=function(){var e=this,t=[].slice.call(arguments);t[0]="["+e._id+"] "+t[0],i.apply(null,t)},r.prototype._transformConstraints=function(e){var t=this;if(0===Object.keys(e).length)return e;if((e.mandatory||e.optional)&&!t._isChromium){var n=Object.assign({},e.optional,e.mandatory);return void 0!==n.OfferToReceiveVideo&&(n.offerToReceiveVideo=n.OfferToReceiveVideo,delete n.OfferToReceiveVideo),void 0!==n.OfferToReceiveAudio&&(n.offerToReceiveAudio=n.OfferToReceiveAudio,delete n.OfferToReceiveAudio),n}return e.mandatory||e.optional||!t._isChromium?e:(void 0!==e.offerToReceiveVideo&&(e.OfferToReceiveVideo=e.offerToReceiveVideo,delete e.offerToReceiveVideo),void 0!==e.offerToReceiveAudio&&(e.OfferToReceiveAudio=e.offerToReceiveAudio,delete e.offerToReceiveAudio),{mandatory:e})}}).call(this,e("buffer").Buffer)},{buffer:24,debug:30,"get-browser-rtc":37,inherits:41,randombytes:73,"readable-stream":82}],92:[function(e,t,n){function r(e){return u.digest(e)}function o(e,t){if(!d)return void setTimeout(t,0,r(e));"string"==typeof e&&(e=i(e)),d.digest({name:"sha-1"},e).then(function(e){t(s(new Uint8Array(e)))},function(n){t(r(e))})}function i(e){for(var t=e.length,n=new Uint8Array(t),r=0;r<t;r++)n[r]=e.charCodeAt(r);return n}function s(e){for(var t=e.length,n=[],r=0;r<t;r++){var o=e[r];n.push((o>>>4).toString(16)),n.push((15&o).toString(16))}return n.join("")}var a=e("rusha"),u=new a,c="undefined"!=typeof window?window:self,f=c.crypto||c.msCrypto||{},d=f.subtle||f.webkitSubtle;try{d.digest({name:"sha-1"},new Uint8Array).catch(function(){d=!1})}catch(e){d=!1}t.exports=o,t.exports.sync=r},{rusha:87}],93:[function(e,t,n){(function(n){function r(e){var t=this;if(!(t instanceof r))return new r(e);if(e||(e={}),"string"==typeof e&&(e={url:e}),null==e.url&&null==e.socket)throw new Error("Missing required `url` or `socket` option");if(null!=e.url&&null!=e.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(t._id=a(4).toString("hex").slice(0,7),t._debug("new websocket: %o",e),e=Object.assign({allowHalfOpen:!1},e),u.Duplex.call(t,e),t.connected=!1,t.destroyed=!1,t._chunk=null,t._cb=null,t._interval=null,e.socket)t.url=e.socket.url,t._ws=e.socket;else{t.url=e.url;try{t._ws="function"==typeof c?new f(e.url,e):new f(e.url)}catch(e){return void n.nextTick(function(){t._destroy(e)})}}t._ws.binaryType="arraybuffer",t._ws.onopen=function(){t._onOpen()},t._ws.onmessage=function(e){t._onMessage(e)},t._ws.onclose=function(){t._onClose()},t._ws.onerror=function(){t._destroy(new Error("connection error to "+t.url))},t._onFinishBound=function(){t._onFinish()},t.once("finish",t._onFinishBound)}t.exports=r;var o=e("safe-buffer").Buffer,i=e("debug")("simple-websocket"),s=e("inherits"),a=e("randombytes"),u=e("readable-stream"),c=e("ws"),f="function"!=typeof c?WebSocket:c;s(r,u.Duplex),r.WEBSOCKET_SUPPORT=!!f,r.prototype.send=function(e){this._ws.send(e)},r.prototype.destroy=function(e){this._destroy(null,e)},r.prototype._destroy=function(e,t){var n=this;if(!n.destroyed){if(t&&n.once("close",t),n._debug("destroy (error: %s)",e&&(e.message||e)),n.readable=n.writable=!1,n._readableState.ended||n.push(null),n._writableState.finished||n.end(),n.connected=!1,n.destroyed=!0,clearInterval(n._interval),n._interval=null,n._chunk=null,n._cb=null,n._onFinishBound&&n.removeListener("finish",n._onFinishBound),n._onFinishBound=null,n._ws){var r=n._ws,o=function(){r.onclose=null};if(r.readyState===f.CLOSED)o();else try{r.onclose=o,r.close()}catch(e){o()}r.onopen=null,r.onmessage=null,r.onerror=null}n._ws=null,e&&n.emit("error",e),n.emit("close")}},r.prototype._read=function(){},r.prototype._write=function(e,t,n){if(this.destroyed)return n(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(e)}catch(e){return this._destroy(e)}"function"!=typeof c&&this._ws.bufferedAmount>65536?(this._debug("start backpressure: bufferedAmount %d",this._ws.bufferedAmount),this._cb=n):n(null)}else this._debug("write before connect"),this._chunk=e,this._cb=n},r.prototype._onFinish=function(){function e(){setTimeout(function(){t._destroy()},1e3)}var t=this;t.destroyed||(t.connected?e():t.once("connect",e))},r.prototype._onMessage=function(e){if(!this.destroyed){var t=e.data;t instanceof ArrayBuffer&&(t=o.from(t)),this.push(t)}},r.prototype._onOpen=function(){var e=this;if(!e.connected&&!e.destroyed){if(e.connected=!0,e._chunk){try{e.send(e._chunk)}catch(t){return e._destroy(t)}e._chunk=null,e._debug('sent chunk from "write before connect"');var t=e._cb;e._cb=null,t(null)}"function"!=typeof c&&(e._interval=setInterval(function(){e._onInterval()},150),e._interval.unref&&e._interval.unref()),e._debug("connect"),e.emit("connect")}},r.prototype._onInterval=function(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>65536)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);var e=this._cb;this._cb=null,e(null)}},r.prototype._onClose=function(){this.destroyed||(this._debug("on close"),this._destroy())},r.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],i.apply(null,e)}}).call(this,e("_process"))},{_process:66,debug:30,inherits:41,randombytes:73,"readable-stream":82,"safe-buffer":88,ws:21}],94:[function(e,t,n){var r=1,o=function(){r=r+1&65535},i=setInterval(o,250);i.unref&&i.unref(),t.exports=function(e){var t=4*(e||5),n=[0],o=1,i=r-1&65535;return function(e){var s=r-i&65535;for(s>t&&(s=t),i=r;s--;)o===t&&(o=0),n[o]=n[0===o?t-1:o-1],o++;e&&(n[o-1]+=e);var a=n[o-1],u=n.length<t?0:n[o===t?0:o];return n.length<4?a:4*(a-u)/n.length}}},{}],95:[function(e,t,n){(function(t){var r=e("./lib/request"),o=e("xtend"),i=e("builtin-status-codes"),s=e("url"),a=n;a.request=function(e,n){e="string"==typeof e?s.parse(e):o(e);var i=-1===t.location.protocol.search(/^https?:$/)?"http:":"",a=e.protocol||i,u=e.hostname||e.host,c=e.port,f=e.path||"/";u&&-1!==u.indexOf(":")&&(u="["+u+"]"),e.url=(u?a+"//"+u:"")+(c?":"+c:"")+f,e.method=(e.method||"GET").toUpperCase(),e.headers=e.headers||{};var d=new r(e);return n&&d.on("response",n),d},a.get=function(e,t){var n=a.request(e,t);return n.end(),n},a.Agent=function(){},a.Agent.defaultMaxSockets=4,a.STATUS_CODES=i,a.METHODS=["CHECKOUT","CONNECT","COPY","DELETE","GET","HEAD","LOCK","M-SEARCH","MERGE","MKACTIVITY","MKCOL","MOVE","NOTIFY","OPTIONS","PATCH","POST","PROPFIND","PROPPATCH","PURGE","PUT","REPORT","SEARCH","SUBSCRIBE","TRACE","UNLOCK","UNSUBSCRIBE"]}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./lib/request":97,"builtin-status-codes":25,url:112,xtend:119}],96:[function(e,t,n){(function(e){function t(){if(void 0!==i)return i;if(e.XMLHttpRequest){i=new e.XMLHttpRequest;try{i.open("GET",e.XDomainRequest?"/":"https://example.com")}catch(e){i=null}}else i=null;return i}function r(e){var n=t();if(!n)return!1;try{return n.responseType=e,n.responseType===e}catch(e){}return!1}function o(e){return"function"==typeof e}n.fetch=o(e.fetch)&&o(e.ReadableStream),n.blobConstructor=!1;try{new Blob([new ArrayBuffer(1)]),n.blobConstructor=!0}catch(e){}var i,s=void 0!==e.ArrayBuffer,a=s&&o(e.ArrayBuffer.prototype.slice);n.arraybuffer=n.fetch||s&&r("arraybuffer"),n.msstream=!n.fetch&&a&&r("ms-stream"),n.mozchunkedarraybuffer=!n.fetch&&s&&r("moz-chunked-arraybuffer"),n.overrideMimeType=n.fetch||!!t()&&o(t().overrideMimeType),n.vbArray=o(e.VBArray),i=null}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],97:[function(e,t,n){(function(n,r,o){function i(e,t){return a.fetch&&t?"fetch":a.mozchunkedarraybuffer?"moz-chunked-arraybuffer":a.msstream?"ms-stream":a.arraybuffer&&e?"arraybuffer":a.vbArray&&e?"text:vbarray":"text"}function s(e){try{var t=e.status;return null!==t&&0!==t}catch(e){return!1}}var a=e("./capability"),u=e("inherits"),c=e("./response"),f=e("readable-stream"),d=e("to-arraybuffer"),h=c.IncomingMessage,l=c.readyStates,p=t.exports=function(e){var t=this;f.Writable.call(t),t._opts=e,t._body=[],t._headers={},e.auth&&t.setHeader("Authorization","Basic "+new o(e.auth).toString("base64")),Object.keys(e.headers).forEach(function(n){t.setHeader(n,e.headers[n])});var n,r=!0;if("disable-fetch"===e.mode||"timeout"in e)r=!1,n=!0;else if("prefer-streaming"===e.mode)n=!1;else if("allow-wrong-content-type"===e.mode)n=!a.overrideMimeType;else{if(e.mode&&"default"!==e.mode&&"prefer-fast"!==e.mode)throw new Error("Invalid value for opts.mode");n=!0}t._mode=i(n,r),t.on("finish",function(){t._onFinish()})};u(p,f.Writable),p.prototype.setHeader=function(e,t){var n=this,r=e.toLowerCase();-1===m.indexOf(r)&&(n._headers[r]={name:e,value:t})},p.prototype.getHeader=function(e){return this._headers[e.toLowerCase()].value},p.prototype.removeHeader=function(e){delete this._headers[e.toLowerCase()]},p.prototype._onFinish=function(){var e=this;if(!e._destroyed){var t=e._opts,i=e._headers,s=null;"GET"!==t.method&&"HEAD"!==t.method&&(s=a.blobConstructor?new r.Blob(e._body.map(function(e){return d(e)}),{type:(i["content-type"]||{}).value||""}):o.concat(e._body).toString());var u=[];if(Object.keys(i).forEach(function(e){var t=i[e].name,n=i[e].value;Array.isArray(n)?n.forEach(function(e){u.push([t,e])}):u.push([t,n])}),"fetch"===e._mode)r.fetch(e._opts.url,{method:e._opts.method,headers:u,body:s||void 0,mode:"cors",credentials:t.withCredentials?"include":"same-origin"}).then(function(t){e._fetchResponse=t,e._connect()},function(t){e.emit("error",t)});else{var c=e._xhr=new r.XMLHttpRequest;try{c.open(e._opts.method,e._opts.url,!0)}catch(t){return void n.nextTick(function(){e.emit("error",t)})}"responseType"in c&&(c.responseType=e._mode.split(":")[0]),"withCredentials"in c&&(c.withCredentials=!!t.withCredentials),"text"===e._mode&&"overrideMimeType"in c&&c.overrideMimeType("text/plain; charset=x-user-defined"),"timeout"in t&&(c.timeout=t.timeout,c.ontimeout=function(){e.emit("timeout")}),u.forEach(function(e){c.setRequestHeader(e[0],e[1])}),e._response=null,c.onreadystatechange=function(){switch(c.readyState){case l.LOADING:case l.DONE:e._onXHRProgress()}},"moz-chunked-arraybuffer"===e._mode&&(c.onprogress=function(){e._onXHRProgress()}),c.onerror=function(){e._destroyed||e.emit("error",new Error("XHR error"))};try{c.send(s)}catch(t){return void n.nextTick(function(){e.emit("error",t)})}}}},p.prototype._onXHRProgress=function(){var e=this;s(e._xhr)&&!e._destroyed&&(e._response||e._connect(),e._response._onXHRProgress())},p.prototype._connect=function(){var e=this;e._destroyed||(e._response=new h(e._xhr,e._fetchResponse,e._mode),e._response.on("error",function(t){e.emit("error",t)}),e.emit("response",e._response))},p.prototype._write=function(e,t,n){this._body.push(e),n()},p.prototype.abort=p.prototype.destroy=function(){var e=this;e._destroyed=!0,e._response&&(e._response._destroyed=!0),e._xhr&&e._xhr.abort()},p.prototype.end=function(e,t,n){var r=this;"function"==typeof e&&(n=e,e=void 0),f.Writable.prototype.end.call(r,e,t,n)},p.prototype.flushHeaders=function(){},p.prototype.setTimeout=function(){},p.prototype.setNoDelay=function(){},p.prototype.setSocketKeepAlive=function(){};var m=["accept-charset","accept-encoding","access-control-request-headers","access-control-request-method","connection","content-length","cookie","cookie2","date","dnt","expect","host","keep-alive","origin","referer","te","trailer","transfer-encoding","upgrade","user-agent","via"]}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},e("buffer").Buffer)},{"./capability":96,"./response":98,_process:66,buffer:24,inherits:41,"readable-stream":82,"to-arraybuffer":105}],98:[function(e,t,n){(function(t,r,o){var i=e("./capability"),s=e("inherits"),a=e("readable-stream"),u=n.readyStates={UNSENT:0,OPENED:1,
HEADERS_RECEIVED:2,LOADING:3,DONE:4},c=n.IncomingMessage=function(e,n,r){function s(){c.read().then(function(e){if(!u._destroyed){if(e.done)return void u.push(null);u.push(new o(e.value)),s()}}).catch(function(e){u.emit("error",e)})}var u=this;if(a.Readable.call(u),u._mode=r,u.headers={},u.rawHeaders=[],u.trailers={},u.rawTrailers=[],u.on("end",function(){t.nextTick(function(){u.emit("close")})}),"fetch"===r){u._fetchResponse=n,u.url=n.url,u.statusCode=n.status,u.statusMessage=n.statusText,n.headers.forEach(function(e,t){u.headers[t.toLowerCase()]=e,u.rawHeaders.push(t,e)});var c=n.body.getReader();s()}else{u._xhr=e,u._pos=0,u.url=e.responseURL,u.statusCode=e.status,u.statusMessage=e.statusText;if(e.getAllResponseHeaders().split(/\r?\n/).forEach(function(e){var t=e.match(/^([^:]+):\s*(.*)/);if(t){var n=t[1].toLowerCase();"set-cookie"===n?(void 0===u.headers[n]&&(u.headers[n]=[]),u.headers[n].push(t[2])):void 0!==u.headers[n]?u.headers[n]+=", "+t[2]:u.headers[n]=t[2],u.rawHeaders.push(t[1],t[2])}}),u._charset="x-user-defined",!i.overrideMimeType){var f=u.rawHeaders["mime-type"];if(f){var d=f.match(/;\s*charset=([^;])(;|$)/);d&&(u._charset=d[1].toLowerCase())}u._charset||(u._charset="utf-8")}}};s(c,a.Readable),c.prototype._read=function(){},c.prototype._onXHRProgress=function(){var e=this,t=e._xhr,n=null;switch(e._mode){case"text:vbarray":if(t.readyState!==u.DONE)break;try{n=new r.VBArray(t.responseBody).toArray()}catch(e){}if(null!==n){e.push(new o(n));break}case"text":try{n=t.responseText}catch(t){e._mode="text:vbarray";break}if(n.length>e._pos){var i=n.substr(e._pos);if("x-user-defined"===e._charset){for(var s=new o(i.length),a=0;a<i.length;a++)s[a]=255&i.charCodeAt(a);e.push(s)}else e.push(i,e._charset);e._pos=n.length}break;case"arraybuffer":if(t.readyState!==u.DONE||!t.response)break;n=t.response,e.push(new o(new Uint8Array(n)));break;case"moz-chunked-arraybuffer":if(n=t.response,t.readyState!==u.LOADING||!n)break;e.push(new o(new Uint8Array(n)));break;case"ms-stream":if(n=t.response,t.readyState!==u.LOADING)break;var c=new r.MSStreamReader;c.onprogress=function(){c.result.byteLength>e._pos&&(e.push(new o(new Uint8Array(c.result.slice(e._pos)))),e._pos=c.result.byteLength)},c.onload=function(){e.push(null)},c.readAsArrayBuffer(n)}e._xhr.readyState===u.DONE&&"ms-stream"!==e._mode&&e.push(null)}}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},e("buffer").Buffer)},{"./capability":96,_process:66,buffer:24,inherits:41,"readable-stream":82}],99:[function(e,t,n){var r=e("stream-to-blob");t.exports=function e(t,n,o){if("function"==typeof n)return e(t,null,n);r(t,n,function(e,t){if(e)return o(e);var n=URL.createObjectURL(t);o(null,n)})}},{"stream-to-blob":100}],100:[function(e,t,n){var r=e("once");t.exports=function e(t,n,o){if("function"==typeof n)return e(t,null,n);o=r(o);var i=[];t.on("data",function(e){i.push(e)}).on("end",function(){var e=n?new Blob(i,{type:n}):new Blob(i);o(null,e)}).on("error",o)}},{once:60}],101:[function(e,t,n){(function(n){var r=e("once");t.exports=function(e,t,o){o=r(o);var i=new n(t),s=0;e.on("data",function(e){e.copy(i,s),s+=e.length}).on("end",function(){o(null,i)}).on("error",o)}}).call(this,e("buffer").Buffer)},{buffer:24,once:60}],102:[function(e,t,n){"use strict";function r(e){if(!e)return"utf8";for(var t;;)switch(e){case"utf8":case"utf-8":return"utf8";case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return"utf16le";case"latin1":case"binary":return"latin1";case"base64":case"ascii":case"hex":return e;default:if(t)return;e=(""+e).toLowerCase(),t=!0}}function o(e){var t=r(e);if("string"!=typeof t&&(_.isEncoding===b||!b(e)))throw new Error("Unknown encoding: "+e);return t||e}function i(e){this.encoding=o(e);var t;switch(this.encoding){case"utf16le":this.text=h,this.end=l,t=4;break;case"utf8":this.fillLast=c,t=4;break;case"base64":this.text=p,this.end=m,t=3;break;default:return this.write=g,void(this.end=y)}this.lastNeed=0,this.lastTotal=0,this.lastChar=v.allocUnsafe(t)}function s(e){return e<=127?0:e>>5==6?2:e>>4==14?3:e>>3==30?4:-1}function a(e,t,n){var r=t.length-1;if(r<n)return 0;var o=s(t[r]);return o>=0?(o>0&&(e.lastNeed=o-1),o):--r<n?0:(o=s(t[r]))>=0?(o>0&&(e.lastNeed=o-2),o):--r<n?0:(o=s(t[r]),o>=0?(o>0&&(2===o?o=0:e.lastNeed=o-3),o):0)}function u(e,t,n){if(128!=(192&t[0]))return e.lastNeed=0,"�".repeat(n);if(e.lastNeed>1&&t.length>1){if(128!=(192&t[1]))return e.lastNeed=1,"�".repeat(n+1);if(e.lastNeed>2&&t.length>2&&128!=(192&t[2]))return e.lastNeed=2,"�".repeat(n+2)}}function c(e){var t=this.lastTotal-this.lastNeed,n=u(this,e,t);return void 0!==n?n:this.lastNeed<=e.length?(e.copy(this.lastChar,t,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal)):(e.copy(this.lastChar,t,0,e.length),void(this.lastNeed-=e.length))}function f(e,t){var n=a(this,e,t);if(!this.lastNeed)return e.toString("utf8",t);this.lastTotal=n;var r=e.length-(n-this.lastNeed);return e.copy(this.lastChar,0,r),e.toString("utf8",t,r)}function d(e){var t=e&&e.length?this.write(e):"";return this.lastNeed?t+"�".repeat(this.lastTotal-this.lastNeed):t}function h(e,t){if((e.length-t)%2==0){var n=e.toString("utf16le",t);if(n){var r=n.charCodeAt(n.length-1);if(r>=55296&&r<=56319)return this.lastNeed=2,this.lastTotal=4,this.lastChar[0]=e[e.length-2],this.lastChar[1]=e[e.length-1],n.slice(0,-1)}return n}return this.lastNeed=1,this.lastTotal=2,this.lastChar[0]=e[e.length-1],e.toString("utf16le",t,e.length-1)}function l(e){var t=e&&e.length?this.write(e):"";if(this.lastNeed){var n=this.lastTotal-this.lastNeed;return t+this.lastChar.toString("utf16le",0,n)}return t}function p(e,t){var n=(e.length-t)%3;return 0===n?e.toString("base64",t):(this.lastNeed=3-n,this.lastTotal=3,1===n?this.lastChar[0]=e[e.length-1]:(this.lastChar[0]=e[e.length-2],this.lastChar[1]=e[e.length-1]),e.toString("base64",t,e.length-n))}function m(e){var t=e&&e.length?this.write(e):"";return this.lastNeed?t+this.lastChar.toString("base64",0,3-this.lastNeed):t}function g(e){return e.toString(this.encoding)}function y(e){return e&&e.length?this.write(e):""}var _=e("buffer").Buffer,v=e("buffer-shims"),b=_.isEncoding||function(e){switch((e=""+e)&&e.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return!0;default:return!1}};n.StringDecoder=i,i.prototype.write=function(e){if(0===e.length)return"";var t,n;if(this.lastNeed){if(void 0===(t=this.fillLast(e)))return"";n=this.lastNeed,this.lastNeed=0}else n=0;return n<e.length?t?t+this.text(e,n):this.text(e,n):t||""},i.prototype.end=d,i.prototype.text=f,i.prototype.fillLast=function(e){if(this.lastNeed<=e.length)return e.copy(this.lastChar,this.lastTotal-this.lastNeed,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal);e.copy(this.lastChar,this.lastTotal-this.lastNeed,0,e.length),this.lastNeed-=e.length}},{buffer:24,"buffer-shims":23}],103:[function(e,t,n){var r=e("./thirty-two");n.encode=r.encode,n.decode=r.decode},{"./thirty-two":104}],104:[function(e,t,n){(function(e){"use strict";function t(e){var t=Math.floor(e.length/5);return e.length%5==0?t:t+1}var r=[255,255,26,27,28,29,30,31,255,255,255,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255];n.encode=function(n){e.isBuffer(n)||(n=new e(n));for(var r=0,o=0,i=0,s=0,a=new e(8*t(n));r<n.length;){var u=n[r];i>3?(s=u&255>>i,i=(i+5)%8,s=s<<i|(r+1<n.length?n[r+1]:0)>>8-i,r++):(s=u>>8-(i+5)&31,0==(i=(i+5)%8)&&r++),a[o]="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567".charCodeAt(s),o++}for(r=o;r<a.length;r++)a[r]=61;return a},n.decode=function(t){var n,o=0,i=0,s=0;e.isBuffer(t)||(t=new e(t));for(var a=new e(Math.ceil(5*t.length/8)),u=0;u<t.length&&61!==t[u];u++){var c=t[u]-48;if(!(c<r.length))throw new Error("Invalid input - it is not base32 encoded string");i=r[c],o<=3?(o=(o+5)%8,0===o?(n|=i,a[s]=n,s++,n=0):n|=255&i<<8-o):(o=(o+5)%8,n|=255&i>>>o,a[s]=n,s++,n=255&i<<8-o)}return a.slice(0,s)}}).call(this,e("buffer").Buffer)},{buffer:24}],105:[function(e,t,n){var r=e("buffer").Buffer;t.exports=function(e){if(e instanceof Uint8Array){if(0===e.byteOffset&&e.byteLength===e.buffer.byteLength)return e.buffer;if("function"==typeof e.buffer.slice)return e.buffer.slice(e.byteOffset,e.byteOffset+e.byteLength)}if(r.isBuffer(e)){for(var t=new Uint8Array(e.length),n=e.length,o=0;o<n;o++)t[o]=e[o];return t.buffer}throw new Error("Argument must be a Buffer")}},{buffer:24}],106:[function(e,t,n){(function(n){function r(e){function t(e,t){var n=new i(t);return n.on("warning",o._onWarning),n.on("error",o._onError),n.listen(e),o._internalDHT=!0,n}var o=this;if(!(o instanceof r))return new r(e);if(s.call(o),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!n.browser&&!e.port)throw new Error("Option `port` is required");o.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),o.infoHash="string"==typeof e.infoHash?e.infoHash:e.infoHash.toString("hex"),o._port=e.port,o._userAgent=e.userAgent,o.destroyed=!1,o._announce=e.announce||[],o._intervalMs=e.intervalMs||9e5,o._trackerOpts=null,o._dhtAnnouncing=!1,o._dhtTimeout=!1,o._internalDHT=!1,o._onWarning=function(e){o.emit("warning",e)},o._onError=function(e){o.emit("error",e)},o._onDHTPeer=function(e,t){t.toString("hex")===o.infoHash&&o.emit("peer",e.host+":"+e.port,"dht")},o._onTrackerPeer=function(e){o.emit("peer",e,"tracker")},o._onTrackerAnnounce=function(){o.emit("trackerAnnounce")},!1===e.tracker?o.tracker=null:e.tracker&&"object"==typeof e.tracker?(o._trackerOpts=a(e.tracker),o.tracker=o._createTracker()):o.tracker=o._createTracker(),!1===e.dht||"function"!=typeof i?o.dht=null:e.dht&&"function"==typeof e.dht.addNode?o.dht=e.dht:e.dht&&"object"==typeof e.dht?o.dht=t(e.dhtPort,e.dht):o.dht=t(e.dhtPort),o.dht&&(o.dht.on("peer",o._onDHTPeer),o._dhtAnnounce())}t.exports=r;var o=e("debug")("torrent-discovery"),i=e("bittorrent-dht/client"),s=e("events").EventEmitter,a=e("xtend"),u=e("inherits"),c=e("run-parallel"),f=e("bittorrent-tracker/client");u(r,s),r.prototype.updatePort=function(e){var t=this;e!==t._port&&(t._port=e,t.dht&&t._dhtAnnounce(),t.tracker&&(t.tracker.stop(),t.tracker.destroy(function(){t.tracker=t._createTracker()})))},r.prototype.complete=function(e){this.tracker&&this.tracker.complete(e)},r.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,clearTimeout(t._dhtTimeout);var n=[];t.tracker&&(t.tracker.stop(),t.tracker.removeListener("warning",t._onWarning),t.tracker.removeListener("error",t._onError),t.tracker.removeListener("peer",t._onTrackerPeer),t.tracker.removeListener("update",t._onTrackerAnnounce),n.push(function(e){t.tracker.destroy(e)})),t.dht&&t.dht.removeListener("peer",t._onDHTPeer),t._internalDHT&&(t.dht.removeListener("warning",t._onWarning),t.dht.removeListener("error",t._onError),n.push(function(e){t.dht.destroy(e)})),c(n,e),t.dht=null,t.tracker=null,t._announce=null}},r.prototype._createTracker=function(){var e=a(this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),t=new f(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.on("peer",this._onTrackerPeer),t.on("update",this._onTrackerAnnounce),t.setInterval(this._intervalMs),t.start(),t},r.prototype._dhtAnnounce=function(){function e(){return t._intervalMs+Math.floor(Math.random()*t._intervalMs/5)}var t=this;t._dhtAnnouncing||(o("dht announce"),t._dhtAnnouncing=!0,clearTimeout(t._dhtTimeout),t.dht.announce(t.infoHash,t._port,function(n){t._dhtAnnouncing=!1,o("dht announce complete"),n&&t.emit("warning",n),t.emit("dhtAnnounce"),t.destroyed||(t._dhtTimeout=setTimeout(function(){t._dhtAnnounce()},e()),t._dhtTimeout.unref&&t._dhtTimeout.unref())}))}}).call(this,e("_process"))},{_process:66,"bittorrent-dht/client":21,"bittorrent-tracker/client":15,debug:30,events:34,inherits:41,"run-parallel":86,xtend:119}],107:[function(e,t,n){(function(e){function n(e){if(!(this instanceof n))return new n(e);this.length=e,this.missing=e,this.sources=null,this._chunks=Math.ceil(e/r),this._remainder=e%r||r,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}t.exports=n;var r=16384;n.BLOCK_LENGTH=r,n.prototype.chunkLength=function(e){return e===this._chunks-1?this._remainder:r},n.prototype.chunkLengthRemaining=function(e){return this.length-e*r},n.prototype.chunkOffset=function(e){return e*r},n.prototype.reserve=function(){return this.init()?this._cancellations.length?this._cancellations.pop():this._reservations<this._chunks?this._reservations++:-1:-1},n.prototype.reserveRemaining=function(){if(!this.init())return-1;if(this._reservations<this._chunks){var e=this._reservations;return this._reservations=this._chunks,e}return-1},n.prototype.cancel=function(e){this.init()&&this._cancellations.push(e)},n.prototype.cancelRemaining=function(e){this.init()&&(this._reservations=e)},n.prototype.get=function(e){return this.init()?this._buffer[e]:null},n.prototype.set=function(e,t,n){if(!this.init())return!1;for(var o=t.length,i=Math.ceil(o/r),s=0;s<i;s++)if(!this._buffer[e+s]){var a=s*r,u=t.slice(a,a+r);this._buffered++,this._buffer[e+s]=u,this.missing-=u.length,-1===this.sources.indexOf(n)&&this.sources.push(n)}return this._buffered===this._chunks},n.prototype.flush=function(){if(!this._buffer||this._chunks!==this._buffered)return null;var t=e.concat(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,t},n.prototype.init=function(){return!this._flushed&&(!!this._buffer||(this._buffer=new Array(this._chunks),this._cancellations=[],this.sources=[],!0))}}).call(this,e("buffer").Buffer)},{buffer:24}],108:[function(e,t,n){(function(n){var r=e("is-typedarray").strict;t.exports=function(e){if(r(e)){var t=new n(e.buffer);return e.byteLength!==e.buffer.byteLength&&(t=t.slice(e.byteOffset,e.byteOffset+e.byteLength)),t}return new n(e)}}).call(this,e("buffer").Buffer)},{buffer:24,"is-typedarray":45}],109:[function(e,t,n){(function(e){n.encodingLength=function(){return 8},n.encode=function(t,n,r){n||(n=new e(8)),r||(r=0);var o=Math.floor(t/4294967295),i=t-4294967295*o;return n.writeUInt32BE(o,r),n.writeUInt32BE(i,r+4),n},n.decode=function(t,n){return n||(n=0),t||(t=new e(4)),n||(n=0),4294967295*t.readUInt32BE(n)+t.readUInt32BE(n+4)},n.encode.bytes=8,n.decode.bytes=8}).call(this,e("buffer").Buffer)},{buffer:24}],110:[function(e,t,n){"use strict";function r(e,t){for(var n=1,r=e.length,o=e[0],i=e[0],s=1;s<r;++s)if(i=o,o=e[s],t(o,i)){if(s===n){n++;continue}e[n++]=o}return e.length=n,e}function o(e){for(var t=1,n=e.length,r=e[0],o=e[0],i=1;i<n;++i,o=r)if(o=r,(r=e[i])!==o){if(i===t){t++;continue}e[t++]=r}return e.length=t,e}function i(e,t,n){return 0===e.length?e:t?(n||e.sort(t),r(e,t)):(n||e.sort(),o(e))}t.exports=i},{}],111:[function(e,t,n){function r(e,t){if(!(t>=e.length||t<0)){var n=e.pop();if(t<e.length){var r=e[t];return e[t]=n,r}return n}}t.exports=r},{}],112:[function(e,t,n){"use strict";function r(){this.protocol=null,this.slashes=null,this.auth=null,this.host=null,this.port=null,this.hostname=null,this.hash=null,this.search=null,this.query=null,this.pathname=null,this.path=null,this.href=null}function o(e,t,n){if(e&&c.isObject(e)&&e instanceof r)return e;var o=new r;return o.parse(e,t,n),o}function i(e){return c.isString(e)&&(e=o(e)),e instanceof r?e.format():r.prototype.format.call(e)}function s(e,t){return o(e,!1,!0).resolve(t)}function a(e,t){return e?o(e,!1,!0).resolveObject(t):t}var u=e("punycode"),c=e("./util");n.parse=o,n.resolve=s,n.resolveObject=a,n.format=i,n.Url=r;var f=/^([a-z0-9.+-]+:)/i,d=/:[0-9]*$/,h=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,l=["<",">",'"',"`"," ","\r","\n","\t"],p=["{","}","|","\\","^","`"].concat(l),m=["'"].concat(p),g=["%","/","?",";","#"].concat(m),y=["/","?","#"],_={javascript:!0,"javascript:":!0},v={javascript:!0,"javascript:":!0},b={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},w=e("querystring");r.prototype.parse=function(e,t,n){if(!c.isString(e))throw new TypeError("Parameter 'url' must be a string, not "+typeof e);var r=e.indexOf("?"),o=-1!==r&&r<e.indexOf("#")?"?":"#",i=e.split(o);i[0]=i[0].replace(/\\/g,"/"),e=i.join(o);var s=e;if(s=s.trim(),!n&&1===e.split("#").length){var a=h.exec(s);if(a)return this.path=s,this.href=s,this.pathname=a[1],a[2]?(this.search=a[2],this.query=t?w.parse(this.search.substr(1)):this.search.substr(1)):t&&(this.search="",this.query={}),this}var d=f.exec(s);if(d){d=d[0];var l=d.toLowerCase();this.protocol=l,s=s.substr(d.length)}if(n||d||s.match(/^\/\/[^@\/]+@[^@\/]+/)){var p="//"===s.substr(0,2);!p||d&&v[d]||(s=s.substr(2),this.slashes=!0)}if(!v[d]&&(p||d&&!b[d])){for(var E=-1,k=0;k<y.length;k++){var x=s.indexOf(y[k]);-1!==x&&(-1===E||x<E)&&(E=x)}var S,I;I=-1===E?s.lastIndexOf("@"):s.lastIndexOf("@",E),-1!==I&&(S=s.slice(0,I),s=s.slice(I+1),this.auth=decodeURIComponent(S)),E=-1;for(var k=0;k<g.length;k++){var x=s.indexOf(g[k]);-1!==x&&(-1===E||x<E)&&(E=x)}-1===E&&(E=s.length),this.host=s.slice(0,E),s=s.slice(E),this.parseHost(),this.hostname=this.hostname||"";var B="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!B)for(var A=this.hostname.split(/\./),k=0,C=A.length;k<C;k++){var T=A[k];if(T&&!T.match(/^[+a-z0-9A-Z_-]{0,63}$/)){for(var L="",U=0,R=T.length;U<R;U++)T.charCodeAt(U)>127?L+="x":L+=T[U];if(!L.match(/^[+a-z0-9A-Z_-]{0,63}$/)){var O=A.slice(0,k),M=A.slice(k+1),P=T.match(/^([+a-z0-9A-Z_-]{0,63})(.*)$/);P&&(O.push(P[1]),M.unshift(P[2])),M.length&&(s="/"+M.join(".")+s),this.hostname=O.join(".");break}}}this.hostname.length>255?this.hostname="":this.hostname=this.hostname.toLowerCase(),B||(this.hostname=u.toASCII(this.hostname));var j=this.port?":"+this.port:"",H=this.hostname||"";this.host=H+j,this.href+=this.host,B&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==s[0]&&(s="/"+s))}if(!_[l])for(var k=0,C=m.length;k<C;k++){var N=m[k];if(-1!==s.indexOf(N)){var q=encodeURIComponent(N);q===N&&(q=escape(N)),s=s.split(N).join(q)}}var D=s.indexOf("#");-1!==D&&(this.hash=s.substr(D),s=s.slice(0,D));var W=s.indexOf("?");if(-1!==W?(this.search=s.substr(W),this.query=s.substr(W+1),t&&(this.query=w.parse(this.query)),s=s.slice(0,W)):t&&(this.search="",this.query={}),s&&(this.pathname=s),b[l]&&this.hostname&&!this.pathname&&(this.pathname="/"),this.pathname||this.search){var j=this.pathname||"",z=this.search||"";this.path=j+z}return this.href=this.format(),this},r.prototype.format=function(){var e=this.auth||"";e&&(e=encodeURIComponent(e),e=e.replace(/%3A/i,":"),e+="@");var t=this.protocol||"",n=this.pathname||"",r=this.hash||"",o=!1,i="";this.host?o=e+this.host:this.hostname&&(o=e+(-1===this.hostname.indexOf(":")?this.hostname:"["+this.hostname+"]"),this.port&&(o+=":"+this.port)),this.query&&c.isObject(this.query)&&Object.keys(this.query).length&&(i=w.stringify(this.query));var s=this.search||i&&"?"+i||"";return t&&":"!==t.substr(-1)&&(t+=":"),this.slashes||(!t||b[t])&&!1!==o?(o="//"+(o||""),n&&"/"!==n.charAt(0)&&(n="/"+n)):o||(o=""),r&&"#"!==r.charAt(0)&&(r="#"+r),s&&"?"!==s.charAt(0)&&(s="?"+s),n=n.replace(/[?#]/g,function(e){return encodeURIComponent(e)}),s=s.replace("#","%23"),t+o+n+s+r},r.prototype.resolve=function(e){return this.resolveObject(o(e,!1,!0)).format()},r.prototype.resolveObject=function(e){if(c.isString(e)){var t=new r;t.parse(e,!1,!0),e=t}for(var n=new r,o=Object.keys(this),i=0;i<o.length;i++){var s=o[i];n[s]=this[s]}if(n.hash=e.hash,""===e.href)return n.href=n.format(),n;if(e.slashes&&!e.protocol){for(var a=Object.keys(e),u=0;u<a.length;u++){var f=a[u];"protocol"!==f&&(n[f]=e[f])}return b[n.protocol]&&n.hostname&&!n.pathname&&(n.path=n.pathname="/"),n.href=n.format(),n}if(e.protocol&&e.protocol!==n.protocol){if(!b[e.protocol]){for(var d=Object.keys(e),h=0;h<d.length;h++){var l=d[h];n[l]=e[l]}return n.href=n.format(),n}if(n.protocol=e.protocol,e.host||v[e.protocol])n.pathname=e.pathname;else{for(var p=(e.pathname||"").split("/");p.length&&!(e.host=p.shift()););e.host||(e.host=""),e.hostname||(e.hostname=""),""!==p[0]&&p.unshift(""),p.length<2&&p.unshift(""),n.pathname=p.join("/")}if(n.search=e.search,n.query=e.query,n.host=e.host||"",n.auth=e.auth,n.hostname=e.hostname||e.host,n.port=e.port,n.pathname||n.search){var m=n.pathname||"",g=n.search||"";n.path=m+g}return n.slashes=n.slashes||e.slashes,n.href=n.format(),n}var y=n.pathname&&"/"===n.pathname.charAt(0),_=e.host||e.pathname&&"/"===e.pathname.charAt(0),w=_||y||n.host&&e.pathname,E=w,k=n.pathname&&n.pathname.split("/")||[],p=e.pathname&&e.pathname.split("/")||[],x=n.protocol&&!b[n.protocol];if(x&&(n.hostname="",n.port=null,n.host&&(""===k[0]?k[0]=n.host:k.unshift(n.host)),n.host="",e.protocol&&(e.hostname=null,e.port=null,e.host&&(""===p[0]?p[0]=e.host:p.unshift(e.host)),e.host=null),w=w&&(""===p[0]||""===k[0])),_)n.host=e.host||""===e.host?e.host:n.host,n.hostname=e.hostname||""===e.hostname?e.hostname:n.hostname,n.search=e.search,n.query=e.query,k=p;else if(p.length)k||(k=[]),k.pop(),k=k.concat(p),n.search=e.search,n.query=e.query;else if(!c.isNullOrUndefined(e.search)){if(x){n.hostname=n.host=k.shift();var S=!!(n.host&&n.host.indexOf("@")>0)&&n.host.split("@");S&&(n.auth=S.shift(),n.host=n.hostname=S.shift())}return n.search=e.search,n.query=e.query,c.isNull(n.pathname)&&c.isNull(n.search)||(n.path=(n.pathname?n.pathname:"")+(n.search?n.search:"")),n.href=n.format(),n}if(!k.length)return n.pathname=null,n.search?n.path="/"+n.search:n.path=null,n.href=n.format(),n;for(var I=k.slice(-1)[0],B=(n.host||e.host||k.length>1)&&("."===I||".."===I)||""===I,A=0,C=k.length;C>=0;C--)I=k[C],"."===I?k.splice(C,1):".."===I?(k.splice(C,1),A++):A&&(k.splice(C,1),A--);if(!w&&!E)for(;A--;A)k.unshift("..");!w||""===k[0]||k[0]&&"/"===k[0].charAt(0)||k.unshift(""),B&&"/"!==k.join("/").substr(-1)&&k.push("");var T=""===k[0]||k[0]&&"/"===k[0].charAt(0);if(x){n.hostname=n.host=T?"":k.length?k.shift():"";var S=!!(n.host&&n.host.indexOf("@")>0)&&n.host.split("@");S&&(n.auth=S.shift(),n.host=n.hostname=S.shift())}return w=w||n.host&&k.length,w&&!T&&k.unshift(""),k.length?n.pathname=k.join("/"):(n.pathname=null,n.path=null),c.isNull(n.pathname)&&c.isNull(n.search)||(n.path=(n.pathname?n.pathname:"")+(n.search?n.search:"")),n.auth=e.auth||n.auth,n.slashes=n.slashes||e.slashes,n.href=n.format(),n},r.prototype.parseHost=function(){var e=this.host,t=d.exec(e);t&&(t=t[0],":"!==t&&(this.port=t.substr(1)),e=e.substr(0,e.length-t.length)),e&&(this.hostname=e)}},{"./util":113,punycode:68,querystring:71}],113:[function(e,t,n){"use strict";t.exports={isString:function(e){return"string"==typeof e},isObject:function(e){return"object"==typeof e&&null!==e},isNull:function(e){return null===e},isNullOrUndefined:function(e){return null==e}}},{}],114:[function(e,t,n){var r=e("bencode"),o=e("bitfield"),i=e("safe-buffer").Buffer,s=e("debug")("ut_metadata"),a=e("events").EventEmitter,u=e("inherits"),c=e("simple-sha1"),f=1e3;t.exports=function(e){function t(t){a.call(this),this._wire=t,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._fetching=!1,this._bitfield=new o(0,{grow:f}),i.isBuffer(e)&&this.setMetadata(e)}return u(t,a),t.prototype.name="ut_metadata",t.prototype.onHandshake=function(e,t,n){this._infoHash=e},t.prototype.onExtendedHandshake=function(e){return e.m&&e.m.ut_metadata?e.metadata_size?"number"!=typeof e.metadata_size||1e7<e.metadata_size||e.metadata_size<=0?this.emit("warning",new Error("Peer gave invalid metadata size")):(this._metadataSize=e.metadata_size,this._numPieces=Math.ceil(this._metadataSize/16384),this._remainingRejects=2*this._numPieces,void(this._fetching&&this._requestPieces())):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))},t.prototype.onMessage=function(e){var t,n;try{var o=e.toString(),i=o.indexOf("ee")+2;t=r.decode(o.substring(0,i)),n=e.slice(i)}catch(e){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,n,t.total_size);break;case 2:this._onReject(t.piece)}},t.prototype.fetch=function(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())},t.prototype.cancel=function(){this._fetching=!1},t.prototype.setMetadata=function(e){if(this._metadataComplete)return!0;s("set metadata");try{var t=r.decode(e).info;t&&(e=r.encode(t))}catch(e){}return(!this._infoHash||this._infoHash===c.sync(e))&&(this.cancel(),this.metadata=e,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",r.encode({info:r.decode(this.metadata)})),!0)},t.prototype._send=function(e,t){var n=r.encode(e);i.isBuffer(t)&&(n=i.concat([n,t])),this._wire.extended("ut_metadata",n)},t.prototype._request=function(e){this._send({msg_type:0,piece:e})},t.prototype._data=function(e,t,n){var r={msg_type:1,piece:e};"number"==typeof n&&(r.total_size=n),this._send(r,t)},t.prototype._reject=function(e){this._send({msg_type:2,piece:e})},t.prototype._onRequest=function(e){if(!this._metadataComplete)return void this._reject(e);var t=16384*e,n=t+16384;n>this._metadataSize&&(n=this._metadataSize);var r=this.metadata.slice(t,n);this._data(e,r,this._metadataSize)},t.prototype._onData=function(e,t,n){t.length>16384||(t.copy(this.metadata,16384*e),this._bitfield.set(e),this._checkDone())},t.prototype._onReject=function(e){this._remainingRejects>0&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("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){this.setMetadata(this.metadata)||this._failedMetadata()}},t.prototype._failedMetadata=function(){this._bitfield=new o(0,{grow:f}),this._remainingRejects-=this._numPieces,this._remainingRejects>0?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))},t}},{bencode:11,bitfield:13,debug:30,events:34,inherits:41,"safe-buffer":88,"simple-sha1":92}],115:[function(e,t,n){(function(e){function n(e,t){function n(){if(!o){if(r("throwDeprecation"))throw new Error(t);r("traceDeprecation")?console.trace(t):console.warn(t),o=!0}return e.apply(this,arguments)}if(r("noDeprecation"))return e;var o=!1;return n}function r(t){try{if(!e.localStorage)return!1}catch(e){return!1}var n=e.localStorage[t];return null!=n&&"true"===String(n).toLowerCase()}t.exports=n}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],116:[function(e,t,n){(function(n){function r(e){var t=this;a.call(t),t._tracks=[],t._fragmentSequence=1,t._file=e,t._decoder=null,t._findMoov(0)}function o(e,t){var n=this;n._entries=e,n._countName=t||"count",n._index=0,n._offset=0,n.value=n._entries[0]}function i(){return{version:0,flags:0,entries:[]}}var s=e("binary-search"),a=e("events").EventEmitter,u=e("inherits"),c=e("mp4-stream"),f=e("mp4-box-encoding"),d=e("range-slice-stream");t.exports=r,u(r,a),r.prototype._findMoov=function(e){var t=this;t._decoder&&t._decoder.destroy(),t._decoder=c.decode();var n=t._file.createReadStream({start:e});n.pipe(t._decoder),t._decoder.once("box",function(r){"moov"===r.type?t._decoder.decode(function(e){n.destroy();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))})},o.prototype.inc=function(){var e=this;e._offset++,e._offset>=e._entries[e._index][e._countName]&&(e._index++,e._offset=0),e.value=e._entries[e._index]},r.prototype._processMoov=function(e){var t=this,r=e.traks;t._tracks=[],t._hasVideo=!1,t._hasAudio=!1;for(var s=0;s<r.length;s++){var a,u,c=r[s],d=c.mdia.minf.stbl,h=d.stsd.entries[0],l=c.mdia.hdlr.handlerType;if("vide"===l&&"avc1"===h.type){if(t._hasVideo)continue;t._hasVideo=!0,a="avc1",h.avcC&&(a+="."+h.avcC.mimeCodec),u='video/mp4; codecs="'+a+'"'}else{if("soun"!==l||"mp4a"!==h.type)continue;if(t._hasAudio)continue;t._hasAudio=!0,a="mp4a",h.esds&&h.esds.mimeCodec&&(a+="."+h.esds.mimeCodec),u='audio/mp4; codecs="'+a+'"'}var p=[],m=0,g=0,y=0,_=0,v=0,b=0,w=new o(d.stts.entries),E=null;d.ctts&&(E=new o(d.ctts.entries));for(var k=0;;){var x=d.stsc.entries[v],S=d.stsz.entries[m],I=w.value.duration,B=E?E.value.compositionOffset:0,A=!0;if(d.stss&&(A=d.stss.entries[k]===m+1),p.push({size:S,duration:I,dts:b,presentationOffset:B,sync:A,offset:_+d.stco.entries[y]}),++m>=d.stsz.entries.length)break;if(g++,_+=S,g>=x.samplesPerChunk){g=0,_=0,y++;var C=d.stsc.entries[v+1];C&&y+1>=C.firstChunk&&v++}b+=I,w.inc(),E&&E.inc(),A&&k++}c.mdia.mdhd.duration=0,c.tkhd.duration=0;var T=x.sampleDescriptionId,L={type:"moov",mvhd:e.mvhd,traks:[{tkhd:c.tkhd,mdia:{mdhd:c.mdia.mdhd,hdlr:c.mdia.hdlr,elng:c.mdia.elng,minf:{vmhd:c.mdia.minf.vmhd,smhd:c.mdia.minf.smhd,dinf:c.mdia.minf.dinf,stbl:{stsd:d.stsd,stts:i(),ctts:i(),stsc:i(),stsz:i(),stco:i(),stss:i()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:c.tkhd.trackId,defaultSampleDescriptionIndex:T,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:c.tkhd.trackId,timeScale:c.mdia.mdhd.timeScale,samples:p,currSample:null,currTime:null,moov:L,mime:u})}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 U=f.encode(t._ftyp),R=t._tracks.map(function(e){var t=f.encode(e.moov);return{mime:e.mime,init:n.concat([U,t])}});t.emit("ready",R)},r.prototype.seek=function(e){var t=this;if(!t._tracks)throw new Error("Not ready yet; wait for 'ready' event");t._fileStream&&(t._fileStream.destroy(),t._fileStream=null);var n=-1;if(t._tracks.map(function(r,o){function i(e){s.destroyed||s.box(e.moof,function(n){if(n)return t.emit("error",n);if(!s.destroyed){r.inStream.slice(e.ranges).pipe(s.mediaData(e.length,function(e){if(e)return t.emit("error",e);if(!s.destroyed){var n=t._generateFragment(o);if(!n)return s.finalize();i(n)}}))}})}r.outStream&&r.outStream.destroy(),r.inStream&&(r.inStream.destroy(),r.inStream=null);var s=r.outStream=c.encode(),a=t._generateFragment(o,e);if(!a)return s.finalize();(-1===n||a.ranges[0].start<n)&&(n=a.ranges[0].start),i(a)}),n>=0){var r=t._fileStream=t._file.createReadStream({start:n});t._tracks.forEach(function(e){e.inStream=new d(n,{highWaterMark:1e7}),r.pipe(e.inStream)})}return t._tracks.map(function(e){return e.outStream})},r.prototype._findSampleBefore=function(e,t){var n=this,r=n._tracks[e],o=Math.floor(r.timeScale*t),i=s(r.samples,o,function(e,t){return e.dts+e.presentationOffset-t});for(-1===i?i=0:i<0&&(i=-i-2);!r.samples[i].sync;)i--;return i};r.prototype._generateFragment=function(e,t){var n,r=this,o=r._tracks[e];if((n=void 0!==t?r._findSampleBefore(e,t):o.currSample)>=o.samples.length)return null;for(var i=o.samples[n].dts,s=0,a=[],u=n;u<o.samples.length;u++){var c=o.samples[u];if(c.sync&&c.dts-i>=1*o.timeScale)break;s+=c.size;var f=a.length-1;f<0||a[f].end!==c.offset?a.push({start:c.offset,end:c.offset+c.size}):a[f].end+=c.size}return o.currSample=u,{moof:r._generateMoof(e,n,u),ranges:a,length:s}},r.prototype._generateMoof=function(e,t,n){for(var r=this,o=r._tracks[e],i=[],s=t;s<n;s++){var a=o.samples[s];i.push({sampleDuration:a.duration,sampleSize:a.size,sampleFlags:a.sync?33554432:16842752,sampleCompositionTimeOffset:a.presentationOffset})}var u={type:"moof",mfhd:{sequenceNumber:r._fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:o.trackId},tfdt:{baseMediaDecodeTime:o.samples[t].dts},trun:{
flags:3841,dataOffset:8,entries:i}}]};return u.trafs[0].trun.dataOffset+=f.encodingLength(u),u}}).call(this,e("buffer").Buffer)},{"binary-search":12,buffer:24,events:34,inherits:41,"mp4-box-encoding":53,"mp4-stream":56,"range-slice-stream":74}],117:[function(e,t,n){function r(e,t,n){var i=this;if(!(this instanceof r))return new r(e,t,n);n=n||{},i.detailedError=null,i._elem=t,i._elemWrapper=new o(t),i._waitingFired=!1,i._trackMeta=null,i._file=e,i._tracks=null,"none"!==i._elem.preload&&i._createMuxer(),i._onError=function(e){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)}var o=e("mediasource"),i=e("pump"),s=e("./mp4-remuxer");t.exports=r,r.prototype._createMuxer=function(){var e=this;e._muxer=new s(e._file),e._muxer.on("ready",function(t){e._tracks=t.map(function(t){var n=e._elemWrapper.createWriteStream(t.mime);n.on("error",function(t){e._elemWrapper.error(t)});var r={muxed:null,mediaSource:n,initFlushed:!1,onInitFlushed:null};return n.write(t.init,function(e){r.initFlushed=!0,r.onInitFlushed&&r.onInitFlushed(e)}),r}),(e._waitingFired||"auto"===e._elem.preload)&&e._pump()}),e._muxer.on("error",function(t){e._elemWrapper.error(t)})},r.prototype._pump=function(){var e=this,t=e._muxer.seek(e._elem.currentTime,!e._tracks);e._tracks.forEach(function(n,r){var o=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],i(n.muxed,n.mediaSource)};n.initFlushed?o():n.onInitFlushed=function(t){if(t)return void e._elemWrapper.error(t);o()}})},r.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.destroy()}),e._elem.src="")}},{"./mp4-remuxer":116,mediasource:49,pump:67}],118:[function(e,t,n){function r(e,t){function n(){for(var t=new Array(arguments.length),n=0;n<t.length;n++)t[n]=arguments[n];var r=e.apply(this,t),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 r(e)(t);if("function"!=typeof e)throw new TypeError("need wrapper function");return Object.keys(e).forEach(function(t){n[t]=e[t]}),n}t.exports=r},{}],119:[function(e,t,n){function r(){for(var e={},t=0;t<arguments.length;t++){var n=arguments[t];for(var r in n)o.call(n,r)&&(e[r]=n[r])}return e}t.exports=r;var o=Object.prototype.hasOwnProperty},{}],120:[function(e,t,n){function r(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var r in n)o.call(n,r)&&(e[r]=n[r])}return e}t.exports=r;var o=Object.prototype.hasOwnProperty},{}],121:[function(e,t,n){t.exports=function e(t,n,r){return void 0===n?function(n,r){return e(t,n,r)}:(void 0===r&&(r="0"),t-=n.toString().length,t>0?new Array(t+(/\./.test(n)?2:1)).join(r)+n:n+"")}},{}],122:[function(e,t,n){t.exports={version:"0.98.18"}},{}],123:[function(e,t,n){(function(n,r){function o(e){function t(){i.destroyed||(i.ready=!0,i.emit("ready"))}var i=this;if(!(i instanceof o))return new o(e);h.call(i),e||(e={}),"string"==typeof e.peerId?i.peerId=e.peerId:a.isBuffer(e.peerId)?i.peerId=e.peerId.toString("hex"):i.peerId=a.from(B+b(9).toString("base64")).toString("hex"),i.peerIdBuffer=a.from(i.peerId,"hex"),"string"==typeof e.nodeId?i.nodeId=e.nodeId:a.isBuffer(e.nodeId)?i.nodeId=e.nodeId.toString("hex"):i.nodeId=b(20).toString("hex"),i.nodeIdBuffer=a.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=void 0!==e.tracker?e.tracker:{},i.torrents=[],i.maxConns=Number(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 k?i._tcpPool=new k(i):n.nextTick(function(){i._onListening()}),i._downloadSpeed=w(),i._uploadSpeed=w(),!1!==e.dht&&"function"==typeof d?(i.dht=new d(l({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/"+S+" (https://webtorrent.io)"}},function(e,n){if(e)return i.error("Failed to load blocklist: "+e.message);i.blocked=n,t()}):n.nextTick(t)}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 a=e("safe-buffer").Buffer,u=e("simple-concat"),c=e("create-torrent"),f=e("debug")("webtorrent"),d=e("bittorrent-dht/client"),h=e("events").EventEmitter,l=e("xtend"),p=e("inherits"),m=e("load-ip-set"),g=e("run-parallel"),y=e("parse-torrent"),_=e("path"),v=e("simple-peer"),b=e("randombytes"),w=e("speedometer"),E=e("zero-fill"),k=e("./lib/tcp-pool"),x=e("./lib/torrent"),S=e("./package.json").version,I=S.match(/([0-9]+)/g).slice(0,2).map(function(e){return E(2,e)}).join(""),B="-WW"+I+"-";p(o,h),o.WEBRTC_SUPPORT=v.WEBRTC_SUPPORT,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});return e.reduce(function(e,t){return e+t.downloaded},0)/(e.reduce(function(e,t){return e+(t.length||0)},0)||1)}}),Object.defineProperty(o.prototype,"ratio",{get:function(){return this.torrents.reduce(function(e,t){return e+t.uploaded},0)/(this.torrents.reduce(function(e,t){return e+t.received},0)||1)}}),o.prototype.get=function(e){var t,n,r=this,o=r.torrents.length;if(e instanceof x){for(t=0;t<o;t++)if((n=r.torrents[t])===e)return n}else{var i;try{i=y(e)}catch(e){}if(!i)return null;if(!i.infoHash)throw new Error("Invalid torrent identifier");for(t=0;t<o;t++)if(n=r.torrents[t],n.infoHash===i.infoHash)return n}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,t=s.torrents.length;e<t;e++){var n=s.torrents[e];if(n.infoHash===a.infoHash&&n!==a)return void a._destroy(new Error("Cannot add duplicate torrent "+a.infoHash))}}function o(){s.destroyed||("function"==typeof n&&n(a),s.emit("torrent",a))}function i(){a.removeListener("_infoHash",r),a.removeListener("ready",o),a.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?l(t):{};var a=new x(e,s,t);return s.torrents.push(a),a.once("_infoHash",r),a.once("ready",o),a.once("close",i),a},o.prototype.seed=function(e,t,n){function r(e){var t=[function(t){e.load(f,t)}];a.dht&&t.push(function(t){e.once("dhtAnnounce",t)}),g(t,function(t){if(!a.destroyed)return t?e._destroy(t):void o(e)})}function o(e){a._debug("on seed"),"function"==typeof n&&n(e),e.emit("seed"),a.emit("seed",e)}var a=this;if(a.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return a.seed(e,null,t);a._debug("seed"),t=t?l(t):{},"string"==typeof e&&(t.path=_.dirname(e)),t.createdBy||(t.createdBy="WebTorrent/"+I);var f,d=a.add(null,t,r);return s(e)&&(e=Array.prototype.slice.call(e)),Array.isArray(e)||(e=[e]),g(e.map(function(e){return function(t){i(e)?u(e,t):t(null,e)}}),function(e,n){if(!a.destroyed)return e?d._destroy(e):void c.parseInput(n,t,function(e,r){if(!a.destroyed){if(e)return d._destroy(e);f=r.map(function(e){return e.getStream}),c(n,t,function(e,t){if(!a.destroyed){if(e)return d._destroy(e);var n=a.get(t);n?d._destroy(new Error("Cannot add duplicate torrent "+n.infoHash)):d._onTorrentId(t)}})}})}),d},o.prototype.remove=function(e,t){if(this._debug("remove"),!this.get(e))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],f.apply(null,e)}}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./lib/tcp-pool":21,"./lib/torrent":5,"./package.json":122,_process:66,"bittorrent-dht/client":21,"create-torrent":29,debug:30,events:34,inherits:41,"load-ip-set":21,"parse-torrent":62,path:63,randombytes:73,"run-parallel":86,"safe-buffer":88,"simple-concat":89,"simple-peer":91,speedometer:94,xtend:119,"zero-fill":121}]},{},[123])(123)});