From 276e167daf069d4ca466006b1f3792556ddef058 Mon Sep 17 00:00:00 2001 From: Feross Aboukhadijeh Date: Mon, 7 Dec 2015 04:40:15 -0800 Subject: build --- webtorrent.min.js | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/webtorrent.min.js b/webtorrent.min.js index fd4711d..7e7b489 100644 --- a/webtorrent.min.js +++ b/webtorrent.min.js @@ -1,10 +1,10 @@ -(function(e){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=e()}else if(typeof define==="function"&&define.amd){define([],e)}else{var t;if(typeof window!=="undefined"){t=window}else if(typeof global!=="undefined"){t=global}else if(typeof self!=="undefined"){t=self}else{t=this}t.WebTorrent=e()}})(function(){var e,t,r;return function n(e,t,r){function i(o,a){if(!t[o]){if(!e[o]){var f=typeof require=="function"&&require;if(!a&&f)return f(o,!0);if(s)return s(o,!0);var u=new Error("Cannot find module '"+o+"'");throw u.code="MODULE_NOT_FOUND",u}var h=t[o]={exports:{}};e[o][0].call(h.exports,function(t){var r=e[o][1][t];return i(r?r:t)},h,h.exports,n,e,t,r)}return t[o].exports}var s=typeof require=="function"&&require;for(var o=0;o=0)y();else if(l.indexOf(g)>=0)w();else if(c.indexOf(g)>=0)S();else if(d.indexOf(g)>=0)x();else v(r,new Error('Unsupported file type "'+g+'": Cannot append to DOM'));function y(){if(!p){return v(r,new Error("Video/audio streaming is not supported in your browser. You can still share "+"or download "+e.name+" (once it's fully downloaded). Use Chrome for "+"MediaSource support."))}var s=f.indexOf(g)>=0?"video":"audio";if(a.indexOf(g)>=0)h();else l();function h(){n("Use `videostream` package for "+e.name);y();u.addEventListener("error",d);u.addEventListener("playing",b);o(e,u)}function l(){n("Use MediaSource API for "+e.name);y();u.addEventListener("error",m);u.addEventListener("playing",b);e.createReadStream().pipe(new i(u,{extname:g}));if(_)u.currentTime=_}function c(){n("Use Blob URL for "+e.name);y();u.addEventListener("error",k);u.addEventListener("playing",b);e.getBlobURL(function(e,t){if(e)return k(e);u.src=t;if(_)u.currentTime=_})}function d(e){n("videostream error: fallback to MediaSource API: %o",e.message||e);u.removeEventListener("error",d);u.removeEventListener("playing",b);l()}function m(e){n("MediaSource API error: fallback to Blob URL: %o",e.message||e);u.removeEventListener("error",m);u.removeEventListener("playing",b);c()}function y(e){if(!u){u=document.createElement(s);u.controls=true;u.autoplay=true;u.play();u.addEventListener("progress",function(){_=u.currentTime});t.appendChild(u)}}}function b(){u.removeEventListener("playing",b);r(null,u)}function w(){u=document.createElement("audio");u.controls=true;u.autoplay=true;t.appendChild(u);e.getBlobURL(function(e,t){if(e)return k(e);u.addEventListener("error",k);u.addEventListener("playing",b);u.src=t;u.play()})}function S(){e.getBlobURL(function(n,i){if(n)return k(n);u=document.createElement("img");u.src=i;u.alt=e.name;t.appendChild(u);r(null,u)})}function x(){e.getBlobURL(function(e,n){if(e)return k(e);u=document.createElement("iframe");u.src=n;if(g!==".pdf")u.sandbox="allow-forms allow-scripts";t.appendChild(u);r(null,u)})}function k(t){if(u)u.remove();t.message='Error appending file "'+e.name+'" to DOM: '+t.message;n(t.message);if(r)r(t)}};function m(){}function v(e,t,n){r.nextTick(function(){if(e)e(t,n)})}}).call(this,e("_process"))},{_process:76,debug:39,mediasource:60,path:73,videostream:117}],2:[function(e,t,r){t.exports=o;var n=e("debug")("webtorrent:file-stream");var i=e("inherits");var s=e("stream");i(o,s.Readable);function o(e,t){s.Readable.call(this,t);this.destroyed=false;this._torrent=e._torrent;var r=t&&t.start||0;var n=t&&t.end||e.length-1;var i=e._torrent.pieceLength;this._startPiece=(r+e.offset)/i|0;this._endPiece=(n+e.offset)/i|0;this._piece=this._startPiece;this._offset=r+e.offset-this._startPiece*i;this._missing=n-r+1;this._reading=false;this._notifying=false;this._criticalLength=Math.min(1024*1024/i|0,2)}o.prototype._read=function(){if(this._reading)return;this._reading=true;this._notify()};o.prototype._notify=function(){var e=this;if(!e._reading||e._missing===0)return;if(!e._torrent.bitfield.get(e._piece)){return e._torrent.critical(e._piece,e._piece+e._criticalLength)}if(e._notifying)return;e._notifying=true;var t=e._piece;e._torrent.store.get(t,function(r,i){e._notifying=false;if(e.destroyed)return;if(r)return e.destroy(r);n("read %s (length %s) (err %s)",t,i.length,r&&r.message);if(e._offset){i=i.slice(e._offset);e._offset=0}if(e._missing0){return r[Math.random()*r.length|0]}else{return-1}}},{}],6:[function(e,t,r){(function(r,n){t.exports=H;var i=e("addr-to-ip-port");var s=e("bitfield");var o=e("chunk-store-stream/write");var a=e("create-torrent");var f=e("debug")("webtorrent:torrent");var u=e("torrent-discovery");var h=e("events").EventEmitter;var l=e("xtend/mutable");var c=e("fs-chunk-store");var d=e("immediate-chunk-store");var p=e("inherits");var m=e("multistream");var v=e("os");var g=e("run-parallel");var _=e("parse-torrent");var y=e("path");var b=e("path-exists");var w=e("torrent-piece");var S=e("pump");var x=e("random-iterate");var k=e("re-emitter");var E=e("simple-sha1");var A=e("bittorrent-swarm");var U=e("uniq");var T=e("ut_metadata");var I=e("ut_pex");var L=e("./file");var B=e("./rarity-map");var C=e("./server");var R=128*1024;var P=3e4;var F=5e3;var O=3*w.BLOCK_LENGTH;var M=.5;var D=1;var N=1e4;var z=2;var j=typeof b.sync==="function"?y.join(b.sync("/tmp")?"/tmp":v.tmpDir(),"webtorrent"):"/tmp/webtorrent";p(H,h);function H(e,t){h.call(this);if(!f.enabled)this.setMaxListeners(0);f("new torrent");this.client=t.client;this.announce=t.announce;this.urlList=t.urlList;this.path=t.path;this._store=t.store||c;this.strategy=t.strategy||"sequential";this._rechokeNumSlots=t.uploads===false||t.uploads===0?0:+t.uploads||10;this._rechokeOptimisticWire=null;this._rechokeOptimisticTime=0;this._rechokeIntervalId=null;this.ready=false;this.destroyed=false;this.metadata=null;this.store=null;this.numBlockedPeers=0;this.files=null;this.done=false;this._amInterested=false;this._selections=[];this._critical=[];this._servers=[];if(e)this._onTorrentId(e)}Object.defineProperty(H.prototype,"timeRemaining",{get:function(){if(this.done)return 0;if(this.swarm.downloadSpeed()===0)return Infinity;else return(this.length-this.downloaded)/this.swarm.downloadSpeed()*1e3}});Object.defineProperty(H.prototype,"downloaded",{get:function(){var e=0;for(var t=0,r=this.pieces.length;tt||e<0||t>=i.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;f("select %s-%s (priority %s)",e,t,r);i._selections.push({from:e,to:t,offset:0,priority:r,notify:n||W});i._selections.sort(function(e,t){return t.priority-e.priority});i._updateSelections()};H.prototype.deselect=function(e,t,r){var n=this;r=Number(r)||0;f("deselect %s-%s (priority %s)",e,t,r);for(var i=0;i2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(n,F);if(r.unref)r.unref()}}var i=0;function s(){if(e.peerPieces.length!==t.pieces.length)return;for(;iR){return e.destroy()}if(t.pieces[r])return;t.store.get(r,{offset:n,length:i},s)});e.bitfield(t.bitfield);e.interested();r=setTimeout(n,F);if(r.unref)r.unref();e.isSeeder=false;s()};H.prototype._updateSelections=function(){var e=this;if(!e.swarm||e.destroyed)return;if(!e.metadata)return e.once("metadata",e._updateSelections.bind(e));r.nextTick(e._gcSelections.bind(e));e._updateInterest();e._update()};H.prototype._gcSelections=function(){var e=this;for(var t=0;t=r)return;var n=q(e,D);f(false)||f(true);function i(t,r,n,i){return function(s){return s>=t&&s<=r&&!(s in n)&&e.peerPieces.get(s)&&(!i||i(s))}}function s(){if(e.requests.length)return;var r=t._selections.length;while(r--){var n=t._selections[r];var s;if(t.strategy==="rarest"){var o=n.from+n.offset;var a=n.to;var f=a-o+1;var u={};var h=0;var l=i(o,a,u);while(h=n.from+n.offset;--s){if(!e.peerPieces.get(s))continue;if(t._request(e,s,false))return}}}}function o(){var r=e.downloadSpeed()||1;if(r>O)return function(){return true};var n=Math.max(1,e.requests.length)*w.BLOCK_LENGTH/r;var i=10;var s=0;return function(e){if(!i||t.bitfield.get(e))return true;var o=t.pieces[e].missing;for(;s0)continue;i--;return false}return true}}function a(e){var r=e;for(var n=e;n=n)return true;var s=o();for(var f=0;f0)e._rechokeOptimisticTime-=1;else e._rechokeOptimisticWire=null;var t=[];e.swarm.wires.forEach(function(r){if(!r.isSeeder&&r!==e._rechokeOptimisticWire){t.push({wire:r,downloadSpeed:r.downloadSpeed(),uploadSpeed:r.uploadSpeed(),salt:Math.random(),isChoked:true})}});t.sort(o);var r=0;var n=0;for(;n=O)continue;if(2*u>n||u>s)continue;o=f;s=u}if(!o)return false;for(a=0;a=o)return false;var a=i.pieces[t];var u=a.reserve();if(u===-1&&n&&i._hotswap(e,t)){u=a.reserve()}if(u===-1)return false;var h=i._reservations[t];if(!h)h=i._reservations[t]=[];var l=h.indexOf(null);if(l===-1)l=h.length;h[l]=e;var c=a.chunkOffset(u);var d=a.chunkLength(u);e.request(t,c,d,function m(r,n){if(!i.ready)return i.once("ready",function(){m(r,n)});if(h[l]===e)h[l]=null;if(a!==i.pieces[t])return p();if(r){f("error getting piece %s (offset: %s length: %s) from %s: %s",t,c,d,e.remoteAddress+":"+e.remotePort,r.message);a.cancel(u);p();return}f("got piece %s (offset: %s length: %s) from %s",t,c,d,e.remoteAddress+":"+e.remotePort);if(!a.set(u,n,e))return p();var s=a.flush();E(s,function(e){if(e===i._hashes[t]){if(!i.pieces[t])return;f("piece verified %s",t);i.pieces[t]=null;i._reservations[t]=null;i.bitfield.set(t,true);i.store.put(t,s);i.swarm.wires.forEach(function(e){e.have(t)});i._checkDone()}else{i.pieces[t]=new w(a.length);i.emit("warning",new Error("Piece "+t+" failed verification"))}p()})});function p(){r.nextTick(function(){i._update()})}return true};H.prototype._checkDone=function(){var e=this;if(e.destroyed)return;e.files.forEach(function(t){if(t.done)return;for(var r=t._startPiece;r<=t._endPiece;++r){if(!e.bitfield.get(r))return}t.done=true;t.emit("done");f("file done: "+t.name)});if(e.files.every(function(e){return e.done})){e.done=true;e.emit("done");f("torrent done: "+e.infoHash);if(e.discovery.tracker)e.discovery.tracker.complete()}e._gcSelections()};H.prototype.load=function(e,t){var r=this;if(!Array.isArray(e))e=[e];if(!t)t=W;var n=new m(e);var i=new o(r.store,r.pieceLength);S(n,i,function(e){if(e)return t(e);r.pieces.forEach(function(e,t){r.pieces[t]=null;r._reservations[t]=null;r.bitfield.set(t,true)});r._checkDone();t(null)})};H.prototype.createServer=function(e){var t=this;if(typeof C!=="function")return;var r=new C(t,e);t._servers.push(r);return r};H.prototype._onError=function(e){var t=this;f("torrent error: %s",e.message||e);t.emit("error",e);t.destroy()};function q(e,t){return Math.ceil(2+t*e.downloadSpeed()/w.BLOCK_LENGTH)}function G(e){return Math.random()*e|0}function W(){}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./file":3,"./rarity-map":5,"./server":31,_process:76,"addr-to-ip-port":7,bitfield:15,"bittorrent-swarm":17,"chunk-store-stream/write":35,"create-torrent":38,debug:39,events:44,"fs-chunk-store":61,"immediate-chunk-store":51,inherits:52,multistream:69,os:31,"parse-torrent":72,path:73,"path-exists":31,pump:77,"random-iterate":82,"re-emitter":83,"run-parallel":94,"simple-sha1":98,"torrent-discovery":109,"torrent-piece":110,uniq:112,ut_metadata:115,ut_pex:31,"xtend/mutable":120}],7:[function(e,t,r){var n=/^\[?([^\]]+)\]?:(\d+)$/;var i={};var s=0;t.exports=function o(e){if(s===1e5)t.exports.reset();if(!i[e]){var r=n.exec(e);if(!r)throw new Error("invalid addr: "+e);i[e]=[r[1],Number(r[2])];s+=1}return i[e]};t.exports.reset=function a(){i={};s=0}},{}],8:[function(e,t,r){"use strict";var n=e("./raw");var i=[];var s=[];var o=n.makeRequestCallFromTimer(a);function a(){if(s.length){throw s.shift()}}t.exports=f;function f(e){var t;if(i.length){t=i.pop()}else{t=new u}t.task=e;n(t)}function u(){this.task=null}u.prototype.call=function(){try{this.task.call()}catch(e){if(f.onerror){f.onerror(e)}else{s.push(e);o()}}finally{this.task=null;i[i.length]=this}}},{"./raw":9}],9:[function(e,t,r){(function(e){"use strict";t.exports=r;function r(e){if(!n.length){s();i=true}n[n.length]=e}var n=[];var i=false;var s;var o=0;var a=1024;function f(){while(oa){for(var t=0,r=n.length-o;t0){throw new Error("Invalid string. Length must be a multiple of 4")}var f=e.length;o="="===e.charAt(f-2)?2:"="===e.charAt(f-1)?1:0;a=new t(e.length*3/4-o);i=o>0?e.length-4:e.length;var u=0;function l(e){a[u++]=e}for(r=0,n=0;r>16);l((s&65280)>>8);l(s&255)}if(o===2){s=h(e.charAt(r))<<2|h(e.charAt(r+1))>>4;l(s&255)}else if(o===1){s=h(e.charAt(r))<<10|h(e.charAt(r+1))<<4|h(e.charAt(r+2))>>2;l(s>>8&255);l(s&255)}return a}function c(e){var t,r=e.length%3,i="",s,o;function a(e){return n.charAt(e)}function f(e){return a(e>>18&63)+a(e>>12&63)+a(e>>6&63)+a(e&63)}for(t=0,o=e.length-r;t>2);i+=a(s<<4&63);i+="==";break;case 2:s=(e[e.length-2]<<8)+e[e.length-1];i+=a(s>>10);i+=a(s>>4&63);i+=a(s<<2&63);i+="=";break}return i}e.toByteArray=l;e.fromByteArray=c})(typeof r==="undefined"?this.base64js={}:r)},{}],11:[function(e,t,r){t.exports={encode:e("./lib/encode"),decode:e("./lib/decode")}},{"./lib/decode":12,"./lib/encode":14}],12:[function(e,t,r){(function(r){var n=e("./dict");function i(e,t){i.position=0;i.encoding=t||null;i.data=!r.isBuffer(e)?new r(e):e;return i.next()}i.position=0;i.data=null;i.encoding=null;i.next=function(){switch(i.data[i.position]){case 100:return i.dictionary();break;case 108:return i.list();break;case 105:return i.integer();break;default:return i.bytes();break}};i.find=function(e){var t=i.position;var r=i.data.length;var n=i.data;while(t>3;if(e%8!==0)t++;return t}n.prototype.get=function(e){var t=e>>3;return t>e%8)};n.prototype.set=function(e,t){var r=e>>3;if(t||arguments.length===1){if(this.buffer.length>e%8}else if(r>e%8)}};n.prototype._grow=function(e){if(this.buffer.length=this._parserSize){var i=this._buffer.length===1?this._buffer[0]:r.concat(this._buffer);this._bufferSize-=this._parserSize;this._buffer=this._bufferSize?[i.slice(this._parserSize)]:[];this._parser(i.slice(0,this._parserSize))}n(null)};w.prototype._read=function(){};w.prototype._callback=function(e,t,r){if(!e)return;this._clearTimeout();if(!this.peerChoking&&!this._finished)this._updateTimeout();e.callback(t,r)};w.prototype._clearTimeout=function(){if(!this._timeout)return;clearTimeout(this._timeout);this._timeout=null};w.prototype._updateTimeout=function(){if(!this._timeoutMs||!this.requests.length||this._timeout)return;this._timeout=setTimeout(this._onTimeout.bind(this),this._timeoutMs);if(this._timeoutUnref&&this._timeout.unref)this._timeout.unref()};w.prototype._parse=function(e,t){this._parserSize=e;this._parser=t};w.prototype._message=function(e,t,n){var i=n?n.length:0;var s=new r(5+4*t.length);s.writeUInt32BE(s.length+i-4,0);s[4]=e;for(var o=0;o0){this._parse(t,this._onmessage)}else{this._onKeepAlive();this._parse(4,this._onmessagelength)}};w.prototype._onmessage=function(e){this._parse(4,this._onmessagelength);switch(e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:this._debug("got unknown message");return this.emit("unknownmessage",e)}};w.prototype._parseHandshake=function(){this._parse(1,function(e){var t=e.readUInt8(0);this._parse(t+48,function(e){var r=e.slice(0,t);if(r.toString()!=="BitTorrent protocol"){this._debug("Error: wire not speaking BitTorrent protocol (%s)",r.toString());this.end();return}e=e.slice(t);this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(e[7]&1),extended:!!(e[5]&16)});this._parse(4,this._onmessagelength)}.bind(this))}.bind(this))};w.prototype._onfinish=function(){this._finished=true;this.push(null);while(this.read()){}clearInterval(this._keepAliveInterval);this._parse(Number.MAX_VALUE,function(){});this.peerRequests=[];while(this.requests.length){this._callback(this.requests.shift(),new Error("wire was closed"),null)}};w.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0];s.apply(null,e)};function S(e,t,r,n){for(var i=0;i=e.maxConns){return}s("drain (%s queued, %s/%s peers)",e.numQueued,e.numPeers,e.maxConns);var t=e._queue.shift();if(!t)return;s("tcp connect attempt to %s",t.addr);var r=i(t.addr);var n={host:r[0],port:r[1]};if(e._hostname)n.localAddress=e._hostname;var o=t.conn=f.connect(n);o.once("connect",function(){t.onConnect()});o.once("error",function(e){t.destroy(e)});t.setConnectTimeout();o.on("close",function(){if(e.destroyed)return;if(t.retries>=d.length){s("conn %s closed: will not re-add (max %s attempts)",t.addr,d.length);return}var r=d[t.retries];s("conn %s closed: will re-add to queue in %sms (attempt %s)",t.addr,r,t.retries+1);var n=setTimeout(function i(){var r=e._addPeer(t.addr);if(r)r.retries=t.retries+1},r);if(n.unref)n.unref()})};p.prototype._onError=function(e){var t=this;t.emit("error",e);t.destroy()};p.prototype._validAddr=function(e){var t=this;var r=i(e);var n=r[0];var s=r[1];return s>0&&s<65535&&!(n==="127.0.0.1"&&s===t._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":18,"./lib/tcp-pool":31,_process:76,"addr-to-ip-port":31,buffer:33,debug:39,events:44,inherits:52,net:31,speedometer:100}],18:[function(e,t,r){var n=e("debug")("bittorrent-swarm:peer");var i=e("./webconn");var s=e("bittorrent-protocol");var o=25e3;var a=25e3;r.createWebRTCPeer=function(e,t){var r=new f(e.id);r.conn=e;r.swarm=t;if(r.conn.connected){r.onConnect()}else{r.conn.once("connect",function(){r.onConnect()});r.conn.once("error",function(e){r.destroy(e)});r.setConnectTimeout()}return r};r.createIncomingTCPPeer=function(e){var t=e.remoteAddress+":"+e.remotePort;var r=new f(t);r.conn=e;r.addr=t;r.onConnect();return r};r.createOutgoingTCPPeer=function(e,t){var r=new f(e);r.addr=e;r.swarm=t;return r};r.createWebPeer=function(e,t,r){var n=new f(e);n.swarm=r;n.conn=new i(e,t);n.onConnect();return n};function f(e){var t=this;t.id=e;n("new Peer %s",e);t.addr=null;t.conn=null;t.swarm=null;t.wire=null;t.connected=false;t.destroyed=false;t.timeout=null;t.retries=0;t.sentHandshake=false}f.prototype.onConnect=function(){var e=this;if(e.destroyed)return;e.connected=true;n("Peer %s connected",e.id);clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()});t.once("close",function(){e.destroy()});t.once("finish",function(){e.destroy()});t.once("error",function(t){e.destroy(t)});var r=e.wire=new s;r.once("end",function(){e.destroy()});r.once("close",function(){e.destroy()});r.once("finish",function(){e.destroy()});r.once("error",function(t){e.destroy(t)});r.once("handshake",function(t,r){e.onHandshake(t,r)});e.setHandshakeTimeout();t.pipe(r).pipe(t);if(e.swarm&&!e.sentHandshake)e.handshake()};f.prototype.onHandshake=function(e,t){var r=this;if(!r.swarm)return;if(r.swarm.destroyed)return r.destroy(new Error("swarm already destroyed"));if(e!==r.swarm.infoHash){return r.destroy(new Error("unexpected handshake info hash for this swarm"))}if(t===r.swarm.peerId){return r.destroy(new Error("refusing to handshake with self"))}n("Peer %s got handshake %s",r.id,e);clearTimeout(r.handshakeTimeout);r.retries=0;r.wire.on("download",function(e){if(r.destroyed)return;r.swarm.downloaded+=e;r.swarm.downloadSpeed(e);r.swarm.emit("download",e)});r.wire.on("upload",function(e){if(r.destroyed)return;r.swarm.uploaded+=e;r.swarm.uploadSpeed(e);r.swarm.emit("upload",e)});if(!r.sentHandshake)r.handshake();r.swarm.wires.push(r.wire);var i=r.addr;if(!i&&r.conn.remoteAddress){i=r.conn.remoteAddress+":"+r.conn.remotePort}r.swarm.emit("wire",r.wire,i)};f.prototype.handshake=function(){var e=this;e.wire.handshake(e.swarm.infoHash,e.swarm.peerId,e.swarm.handshakeOpts);e.sentHandshake=true};f.prototype.setConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout);e.connectTimeout=setTimeout(function(){e.destroy(new Error("connect timeout"))},o);if(e.connectTimeout.unref)e.connectTimeout.unref()};f.prototype.setHandshakeTimeout=function(){var e=this;clearTimeout(e.handshakeTimeout);e.handshakeTimeout=setTimeout(function(){e.destroy(new Error("handshake timeout"))},a);if(e.handshakeTimeout.unref)e.handshakeTimeout.unref()};f.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.connected=false;n("destroy %s (error: %s)",t.id,e&&(e.message||e));clearTimeout(t.connectTimeout);clearTimeout(t.handshakeTimeout);var r=t.swarm;var i=t.conn;var s=t.wire;t.conn=null;t.swarm=null;t.wire=null;if(r&&s){var o=r.wires.indexOf(s);if(o>=0)r.wires.splice(o,1)}if(i)i.destroy();if(s)s.destroy();if(r)r.removePeer(t.id)}},{"./webconn":19,"bittorrent-protocol":16,debug:39}],19:[function(e,t,r){t.exports=u;var n=e("bitfield");var i=e("debug")("bittorrent-swarm:webconn");var s=e("simple-get");var o=e("inherits");var a=e("simple-sha1");var f=e("bittorrent-protocol");o(u,f);function u(e,t){var r=this;f.call(this);r.url=e;r.peerId=a.sync(e);r.parsedTorrent=t;r.setKeepAlive(true);r.on("handshake",function(e,t){r.handshake(e,r.peerId);var i=r.parsedTorrent.pieces.length;var s=new n(i);for(var o=0;o<=i;o++){s.set(o,true)}r.bitfield(s)});r.on("choke",function(){i("choke")});r.on("unchoke",function(){i("unchoke")});r.once("interested",function(){i("interested");r.unchoke()});r.on("uninterested",function(){i("uninterested")});r.on("bitfield",function(){i("bitfield")});r.on("request",function(e,t,n,s){i("request pieceIndex=%d offset=%d length=%d",e,t,n);r.httpRequest(e,t,n,s)})}u.prototype.httpRequest=function(e,t,r,n){var o=this;var a=e*o.parsedTorrent.pieceLength;var f=a+t;var u=f+r-1;i("Requesting pieceIndex=%d offset=%d length=%d start=%d end=%d",e,t,r,f,u);var h={url:o.url,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+f+"-"+u}};s.concat(h,function(e,t,r){if(e)return n(e);if(r.statusCode<200||r.statusCode>=300){return n(new Error("Unexpected HTTP status code "+r.statusCode))}i("Got data of length %d",t.length);n(null,t)})}},{bitfield:15,"bittorrent-protocol":16,debug:39,inherits:52,"simple-get":96,"simple-sha1":98}],20:[function(e,t,r){(function(r,n){t.exports=m;var i=e("events").EventEmitter;var s=e("debug")("bittorrent-tracker");var o=e("inherits");var a=e("once");var f=e("run-parallel");var u=e("uniq");var h=e("url");var l=e("./lib/common");var c=e("./lib/client/http-tracker");var d=e("./lib/client/udp-tracker");var p=e("./lib/client/websocket-tracker");o(m,i);function m(e,t,o,a){var f=this;if(!(f instanceof m))return new m(e,t,o,a);i.call(f);if(!a)a={};f.peerId=typeof e==="string"?e:e.toString("hex");f.peerIdBuffer=new n(f.peerId,"hex");f._peerIdBinary=f.peerIdBuffer.toString("binary");f.infoHash=typeof o.infoHash==="string"?o.infoHash:o.infoHash.toString("hex");f.infoHashBuffer=new n(f.infoHash,"hex");f._infoHashBinary=f.infoHashBuffer.toString("binary");f.torrentLength=o.length;f.destroyed=false;f._port=t;f._rtcConfig=a.rtcConfig;f._wrtc=a.wrtc;s("new client %s",f.infoHash);var l=!!f._wrtc||typeof window!=="undefined";var v=typeof o.announce==="string"?[o.announce]:o.announce==null?[]:o.announce;v=v.map(function(e){e=e.toString();if(e[e.length-1]==="/"){e=e.substring(0,e.length-1)}return e});v=u(v);f._trackers=v.map(function(e){var t=h.parse(e).protocol;if((t==="http:"||t==="https:")&&typeof c==="function"){return new c(f,e)}else if(t==="udp:"&&typeof d==="function"){return new d(f,e)}else if((t==="ws:"||t==="wss:")&&l){return new p(f,e)}else{r.nextTick(function(){var t=new Error("unsupported tracker protocol for "+e);f.emit("warning",t)})}return null}).filter(Boolean)}m.scrape=function(e,t,r){r=a(r);var i=new n("01234567890123456789");var s=6881;var o={infoHash:Array.isArray(t)?t[0]:t,announce:[e]};var f=new m(i,s,o);f.once("error",r);var u=Array.isArray(t)?t.length:1;var h={};f.on("scrape",function(e){u-=1;h[e.infoHash]=e;if(u===0){f.destroy();var t=Object.keys(h);if(t.length===1){r(null,h[t[0]])}else{r(null,h)}}});t=Array.isArray(t)?t.map(function(e){return new n(e,"hex")}):new n(t,"hex");f.scrape({infoHash:t})};m.prototype.start=function(e){var t=this;s("send `start`");e=t._defaultAnnounceOpts(e);e.event="started";t._announce(e);t._trackers.forEach(function(e){e.setInterval()})};m.prototype.stop=function(e){var t=this;s("send `stop`");e=t._defaultAnnounceOpts(e);e.event="stopped";t._announce(e)};m.prototype.complete=function(e){var t=this;s("send `complete`");if(!e)e={};if(e.downloaded==null&&t.torrentLength!=null){e.downloaded=t.torrentLength}e=t._defaultAnnounceOpts(e);e.event="completed";t._announce(e)};m.prototype.update=function(e){var t=this;s("send `update`");e=t._defaultAnnounceOpts(e);if(e.event)delete e.event;t._announce(e)};m.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})};m.prototype.scrape=function(e){var t=this;s("send `scrape`");if(!e)e={};t._trackers.forEach(function(t){t.scrape(e)})};m.prototype.setInterval=function(e){var t=this;s("setInterval %d",e);t._trackers.forEach(function(t){t.setInterval(e)})};m.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;s("destroy");var r=t._trackers.map(function(e){return function(t){e.destroy(t)}});f(r,e);t._trackers=[]};m.prototype._defaultAnnounceOpts=function(e){var t=this;if(!e)e={};if(e.numwant==null)e.numwant=l.DEFAULT_ANNOUNCE_PEERS;if(e.uploaded==null)e.uploaded=0;if(e.downloaded==null)e.downloaded=0;if(e.left==null&&t.torrentLength!=null){e.left=t.torrentLength-e.downloaded}return e}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/client/http-tracker":31,"./lib/client/udp-tracker":31,"./lib/client/websocket-tracker":22,"./lib/common":23,_process:76,buffer:33,debug:39,events:44,inherits:52,once:70,"run-parallel":94,uniq:112,url:113}],21:[function(e,t,r){t.exports=s;var n=e("events").EventEmitter;var i=e("inherits");i(s,n);function s(e,t){var r=this;n.call(r);r.client=e;r.announceUrl=t;r.interval=null;r.destroyed=false}s.prototype.setInterval=function(e){var t=this;if(t.interval)return;if(e==null)e=t.DEFAULT_ANNOUNCE_INTERVAL;clearInterval(t.interval);if(e){var r=t.announce.bind(t,t.client._defaultAnnounceOpts());t.interval=setInterval(r,e);if(t.interval.unref)t.interval.unref()}}},{events:44,inherits:52}],22:[function(e,t,r){t.exports=d;var n=e("debug")("bittorrent-tracker:websocket-tracker");var i=e("hat");var s=e("inherits");var o=e("simple-peer");var a=e("simple-websocket");var f=e("../common");var u=e("./tracker");var h={};var l=30*1e3;var c=5*1e3;s(d,u);function d(e,t,r){var i=this;u.call(i,e,t);n("new websocket tracker %s",t);i.peers={};i.socket=null;i.reconnecting=false;i._openSocket()}d.prototype.DEFAULT_ANNOUNCE_INTERVAL=30*1e3;d.prototype.announce=function(e){var t=this;if(t.destroyed||t.reconnecting)return;if(!t.socket.connected){return t.socket.once("connect",t.announce.bind(t,e))}var r=Math.min(e.numwant,10);t._generateOffers(r,function(n){var i={numwant:r,uploaded:e.uploaded||0,downloaded:e.downloaded,event:e.event,info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,offers:n};if(t._trackerId)i.trackerid=t._trackerId;t._send(i)})};d.prototype.scrape=function(e){var t=this;if(t.destroyed||t.reconnecting)return;t._onSocketError(new Error("scrape not supported "+t.announceUrl))};d.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;clearInterval(t.interval);h[t.announceUrl]=null;t.socket.removeListener("connect",t._onSocketConnectBound);t.socket.removeListener("data",t._onSocketDataBound);t.socket.removeListener("close",t._onSocketCloseBound);t.socket.removeListener("error",t._onSocketErrorBound);t._onSocketConnectBound=null;t._onSocketErrorBound=null;t._onSocketDataBound=null;t._onSocketCloseBound=null;t.socket.on("error",p);try{t.socket.destroy(e)}catch(r){if(e)e()}t.socket=null};d.prototype._openSocket=function(){var e=this;e.destroyed=false;e._onSocketConnectBound=e._onSocketConnect.bind(e);e._onSocketErrorBound=e._onSocketError.bind(e);e._onSocketDataBound=e._onSocketData.bind(e);e._onSocketCloseBound=e._onSocketClose.bind(e);e.socket=h[e.announceUrl];if(!e.socket){e.socket=h[e.announceUrl]=new a(e.announceUrl);e.socket.on("connect",e._onSocketConnectBound)}e.socket.on("data",e._onSocketDataBound);e.socket.on("close",e._onSocketCloseBound);e.socket.on("error",e._onSocketErrorBound)};d.prototype._onSocketConnect=function(){var e=this;if(e.destroyed)return;if(e.reconnecting){e.reconnecting=false;e.announce(e.client._defaultAnnounceOpts())}};d.prototype._onSocketData=function(e){var t=this;if(t.destroyed)return;if(!(typeof e==="object"&&e!==null)){return t.client.emit("warning",new Error("Invalid tracker response"))}if(e.info_hash!==t.client._infoHashBinary){n("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,f.binaryToHex(e.info_hash),t.client.infoHash);return}if(e.peer_id&&e.peer_id===t.client._peerIdBinary){return}n("received %s from %s for %s",JSON.stringify(e),t.announceUrl,t.client.infoHash);var r=e["failure reason"];if(r)return t.client.emit("warning",new Error(r));var i=e["warning message"];if(i)t.client.emit("warning",new Error(i));var s=e.interval||e["min interval"];if(s)t.setInterval(s*1e3);var a=e["tracker id"];if(a){t._trackerId=a}if(e.complete){t.client.emit("update",{announce:t.announceUrl,complete:e.complete,incomplete:e.incomplete})}var u;if(e.offer&&e.peer_id){u=new o({trickle:false,config:t.client._rtcConfig,wrtc:t.client._wrtc});u.id=f.binaryToHex(e.peer_id);u.once("signal",function(r){var n={info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,to_peer_id:e.peer_id,answer:r,offer_id:e.offer_id};if(t._trackerId)n.trackerid=t._trackerId;t._send(n)});u.signal(e.offer);t.client.emit("peer",u)}if(e.answer&&e.peer_id){u=t.peers[f.binaryToHex(e.offer_id)];if(u){u.id=f.binaryToHex(e.peer_id);u.signal(e.answer);t.client.emit("peer",u)}else{n("got unexpected answer: "+JSON.stringify(e.answer))}}};d.prototype._onSocketClose=function(){var e=this;if(e.destroyed)return;e.destroy();e._startReconnectTimer()};d.prototype._onSocketError=function(e){var t=this;if(t.destroyed)return;t.destroy();t.client.emit("warning",e);t._startReconnectTimer()};d.prototype._startReconnectTimer=function(){var e=this;var t=Math.floor(Math.random()*l)+c;e.reconnecting=true;var r=setTimeout(function(){e._openSocket()},t);if(r.unref)r.unref();n("reconnecting socket in %s ms",t)};d.prototype._send=function(e){var t=this;if(t.destroyed)return;var r=JSON.stringify(e);n("send %s",r);t.socket.send(r)};d.prototype._generateOffers=function(e,t){var r=this;var s=[];n("generating %s offers",e);for(var a=0;a=this.size){var i=r.concat(this._buffered);this._bufferedBytes-=this.size;this.push(i.slice(0,this.size));this._buffered=[i.slice(this.size,i.length)]}n()};o.prototype._flush=function(){if(this._bufferedBytes&&this._zeroPadding){var e=new r(this.size-this._bufferedBytes);e.fill(0);this._buffered.push(e);this.push(r.concat(this._buffered)); -this._buffered=null}else if(this._bufferedBytes){this.push(r.concat(this._buffered));this._buffered=null}this.push(null)}}).call(this,e("buffer").Buffer)},{buffer:33,defined:41,inherits:52,"readable-stream":30}],25:[function(e,t,r){(function(r){t.exports=a;var n=Object.keys||function(e){var t=[];for(var r in e)t.push(r);return t};var i=e("core-util-is");i.inherits=e("inherits");var s=e("./_stream_readable");var o=e("./_stream_writable");i.inherits(a,s);u(n(o.prototype),function(e){if(!a.prototype[e])a.prototype[e]=o.prototype[e]});function a(e){if(!(this instanceof a))return new a(e);s.call(this,e);o.call(this,e);if(e&&e.readable===false)this.readable=false;if(e&&e.writable===false)this.writable=false;this.allowHalfOpen=true;if(e&&e.allowHalfOpen===false)this.allowHalfOpen=false;this.once("end",f)}function f(){if(this.allowHalfOpen||this._writableState.ended)return;r.nextTick(this.end.bind(this))}function u(e,t){for(var r=0,n=e.length;r0){if(t.ended&&!i){var o=new Error("stream.push() after EOF");e.emit("error",o)}else if(t.endEmitted&&i){var o=new Error("stream.unshift() after end event");e.emit("error",o)}else{if(t.decoder&&!i&&!n)r=t.decoder.write(r);if(!i)t.reading=false;if(t.flowing&&t.length===0&&!t.sync){e.emit("data",r);e.read(0)}else{t.length+=t.objectMode?1:r.length;if(i)t.buffer.unshift(r);else t.buffer.push(r);if(t.needReadable)y(e)}w(e,t)}}else if(!i){t.reading=false}return d(t)}function d(e){return!e.ended&&(e.needReadable||e.length=p){e=p}else{e--;for(var t=1;t<32;t<<=1)e|=e>>t;e++}return e}function v(e,t){if(t.length===0&&t.ended)return 0;if(t.objectMode)return e===0?0:1;if(isNaN(e)||a.isNull(e)){if(t.flowing&&t.buffer.length)return t.buffer[0].length;else return t.length}if(e<=0)return 0;if(e>t.highWaterMark)t.highWaterMark=m(e);if(e>t.length){if(!t.ended){t.needReadable=true;return 0}else return t.length}return e}l.prototype.read=function(e){u("read",e);var t=this._readableState;var r=e;if(!a.isNumber(e)||e>0)t.emittedReadable=false;if(e===0&&t.needReadable&&(t.length>=t.highWaterMark||t.ended)){u("read: emitReadable",t.length,t.ended);if(t.length===0&&t.ended)T(this);else y(this);return null}e=v(e,t);if(e===0&&t.ended){if(t.length===0)T(this);return null}var n=t.needReadable;u("need readable",n);if(t.length===0||t.length-e0)i=U(e,t);else i=null;if(a.isNull(i)){t.needReadable=true;e=0}t.length-=e;if(t.length===0&&!t.ended)t.needReadable=true;if(r!==e&&t.ended&&t.length===0)T(this);if(!a.isNull(i))this.emit("data",i);return i};function g(e,t){var r=null;if(!a.isBuffer(t)&&!a.isString(t)&&!a.isNullOrUndefined(t)&&!e.objectMode){r=new TypeError("Invalid non-string/buffer chunk")}return r}function _(e,t){if(t.decoder&&!t.ended){var r=t.decoder.end();if(r&&r.length){t.buffer.push(r);t.length+=t.objectMode?1:r.length}}t.ended=true;y(e)}function y(e){var t=e._readableState;t.needReadable=false;if(!t.emittedReadable){u("emitReadable",t.flowing);t.emittedReadable=true;if(t.sync)r.nextTick(function(){b(e)});else b(e)}}function b(e){u("emit readable");e.emit("readable");A(e)}function w(e,t){if(!t.readingMore){t.readingMore=true;r.nextTick(function(){S(e,t)})}}function S(e,t){var r=t.length;while(!t.reading&&!t.flowing&&!t.ended&&t.length=n){if(s)a=r.join("");else a=i.concat(r,n);r.length=0}else{if(e0)throw new Error("endReadable called on non-empty stream");if(!t.endEmitted){t.ended=true;r.nextTick(function(){if(!t.endEmitted&&t.length===0){t.endEmitted=true;e.readable=false;e.emit("end")}})}}function I(e,t){for(var r=0,n=e.length;r1){var r=[];for(var n=0;n1)return new u(e,arguments[1]);return new u(e)}this.length=0;this.parent=undefined;if(typeof e==="number"){return h(this,e)}if(typeof e==="string"){return l(this,e,arguments.length>1?arguments[1]:"utf8")}return c(this,e)}function h(e,t){e=y(e,t<0?0:b(t)|0);if(!u.TYPED_ARRAY_SUPPORT){for(var r=0;r>>1;if(r)e.parent=o;return e}function b(e){if(e>=f()){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+f().toString(16)+" bytes")}return e|0}function w(e,t){if(!(this instanceof w))return new w(e,t);var r=new u(e,t);delete r.parent;return r}u.isBuffer=function te(e){return!!(e!=null&&e._isBuffer)};u.compare=function re(e,t){if(!u.isBuffer(e)||!u.isBuffer(t)){throw new TypeError("Arguments must be Buffers")}if(e===t)return 0;var r=e.length;var n=t.length;var i=0;var s=Math.min(r,n);while(i>>1;case"base64":return Q(e).length;default:if(n)return Z(e).length;t=(""+t).toLowerCase();n=true}}}u.byteLength=S;u.prototype.length=undefined;u.prototype.parent=undefined;function x(e,t,r){var n=false;t=t|0;r=r===undefined||r===Infinity?this.length:r|0;if(!e)e="utf8";if(t<0)t=0;if(r>this.length)r=this.length;if(r<=t)return"";while(true){switch(e){case"hex":return O(this,t,r);case"utf8":case"utf-8":return B(this,t,r);case"ascii":return P(this,t,r);case"binary":return F(this,t,r);case"base64":return L(this,t,r);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return M(this,t,r);default:if(n)throw new TypeError("Unknown encoding: "+e);e=(e+"").toLowerCase();n=true}}}u.prototype.toString=function se(){var e=this.length|0;if(e===0)return"";if(arguments.length===0)return B(this,0,e);return x.apply(this,arguments)};u.prototype.equals=function oe(e){if(!u.isBuffer(e))throw new TypeError("Argument must be a Buffer");if(this===e)return true;return u.compare(this,e)===0};u.prototype.inspect=function ae(){var e="";var t=r.INSPECT_MAX_BYTES;if(this.length>0){e=this.toString("hex",0,t).match(/.{2}/g).join(" ");if(this.length>t)e+=" ... "}return""};u.prototype.compare=function fe(e){if(!u.isBuffer(e))throw new TypeError("Argument must be a Buffer");if(this===e)return 0;return u.compare(this,e)};u.prototype.indexOf=function ue(e,t){if(t>2147483647)t=2147483647;else if(t<-2147483648)t=-2147483648;t>>=0;if(this.length===0)return-1;if(t>=this.length)return-1;if(t<0)t=Math.max(this.length+t,0);if(typeof e==="string"){if(e.length===0)return-1;return String.prototype.indexOf.call(this,e,t)}if(u.isBuffer(e)){return r(this,e,t)}if(typeof e==="number"){if(u.TYPED_ARRAY_SUPPORT&&Uint8Array.prototype.indexOf==="function"){return Uint8Array.prototype.indexOf.call(this,e,t)}return r(this,[e],t)}function r(e,t,r){var n=-1;for(var i=0;r+ii){n=i}}var s=t.length;if(s%2!==0)throw new Error("Invalid hex string");if(n>s/2){n=s/2}for(var o=0;os)r=s;if(e.length>0&&(r<0||t<0)||t>this.length){throw new RangeError("attempt to write outside buffer bounds")}if(!n)n="utf8";var o=false;for(;;){switch(n){case"hex":return k(this,e,t,r);case"utf8":case"utf-8":return E(this,e,t,r);case"ascii":return A(this,e,t,r);case"binary":return U(this,e,t,r);case"base64":return T(this,e,t,r);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return I(this,e,t,r);default:if(o)throw new TypeError("Unknown encoding: "+n);n=(""+n).toLowerCase();o=true}}};u.prototype.toJSON=function de(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function L(e,t,r){if(t===0&&r===e.length){return n.fromByteArray(e)}else{return n.fromByteArray(e.slice(t,r))}}function B(e,t,r){r=Math.min(e.length,r);var n=[];var i=t;while(i239?4:s>223?3:s>191?2:1;if(i+a<=r){var f,u,h,l;switch(a){case 1:if(s<128){o=s}break;case 2:f=e[i+1];if((f&192)===128){l=(s&31)<<6|f&63;if(l>127){o=l}}break;case 3:f=e[i+1];u=e[i+2];if((f&192)===128&&(u&192)===128){l=(s&15)<<12|(f&63)<<6|u&63;if(l>2047&&(l<55296||l>57343)){o=l}}break;case 4:f=e[i+1];u=e[i+2];h=e[i+3];if((f&192)===128&&(u&192)===128&&(h&192)===128){l=(s&15)<<18|(f&63)<<12|(u&63)<<6|h&63;if(l>65535&&l<1114112){o=l}}}}if(o===null){o=65533;a=1}else if(o>65535){o-=65536;n.push(o>>>10&1023|55296);o=56320|o&1023}n.push(o);i+=a}return R(n)}var C=4096;function R(e){var t=e.length;if(t<=C){return String.fromCharCode.apply(String,e)}var r="";var n=0;while(nn)r=n;var i="";for(var s=t;sr){e=r}if(t<0){t+=r;if(t<0)t=0}else if(t>r){t=r}if(tr)throw new RangeError("Trying to access beyond buffer length")}u.prototype.readUIntLE=function me(e,t,r){e=e|0;t=t|0;if(!r)D(e,t,this.length);var n=this[e];var i=1;var s=0;while(++s0&&(i*=256)){n+=this[e+--t]*i}return n};u.prototype.readUInt8=function ge(e,t){if(!t)D(e,1,this.length);return this[e]};u.prototype.readUInt16LE=function _e(e,t){if(!t)D(e,2,this.length);return this[e]|this[e+1]<<8};u.prototype.readUInt16BE=function ye(e,t){if(!t)D(e,2,this.length);return this[e]<<8|this[e+1]};u.prototype.readUInt32LE=function be(e,t){if(!t)D(e,4,this.length);return(this[e]|this[e+1]<<8|this[e+2]<<16)+this[e+3]*16777216};u.prototype.readUInt32BE=function we(e,t){if(!t)D(e,4,this.length);return this[e]*16777216+(this[e+1]<<16|this[e+2]<<8|this[e+3])};u.prototype.readIntLE=function Se(e,t,r){e=e|0;t=t|0;if(!r)D(e,t,this.length);var n=this[e];var i=1;var s=0;while(++s=i)n-=Math.pow(2,8*t);return n};u.prototype.readIntBE=function xe(e,t,r){e=e|0;t=t|0;if(!r)D(e,t,this.length);var n=t;var i=1;var s=this[e+--n];while(n>0&&(i*=256)){s+=this[e+--n]*i}i*=128;if(s>=i)s-=Math.pow(2,8*t);return s};u.prototype.readInt8=function ke(e,t){if(!t)D(e,1,this.length);if(!(this[e]&128))return this[e];return(255-this[e]+1)*-1};u.prototype.readInt16LE=function Ee(e,t){if(!t)D(e,2,this.length);var r=this[e]|this[e+1]<<8;return r&32768?r|4294901760:r};u.prototype.readInt16BE=function Ae(e,t){if(!t)D(e,2,this.length);var r=this[e+1]|this[e]<<8;return r&32768?r|4294901760:r};u.prototype.readInt32LE=function Ue(e,t){if(!t)D(e,4,this.length);return this[e]|this[e+1]<<8|this[e+2]<<16|this[e+3]<<24};u.prototype.readInt32BE=function Te(e,t){if(!t)D(e,4,this.length);return this[e]<<24|this[e+1]<<16|this[e+2]<<8|this[e+3]};u.prototype.readFloatLE=function Ie(e,t){if(!t)D(e,4,this.length);return i.read(this,e,true,23,4)};u.prototype.readFloatBE=function Le(e,t){if(!t)D(e,4,this.length);return i.read(this,e,false,23,4)};u.prototype.readDoubleLE=function Be(e,t){if(!t)D(e,8,this.length);return i.read(this,e,true,52,8)};u.prototype.readDoubleBE=function Ce(e,t){if(!t)D(e,8,this.length);return i.read(this,e,false,52,8)};function N(e,t,r,n,i,s){if(!u.isBuffer(e))throw new TypeError("buffer must be a Buffer instance");if(t>i||te.length)throw new RangeError("index out of range")}u.prototype.writeUIntLE=function Re(e,t,r,n){e=+e;t=t|0;r=r|0;if(!n)N(this,e,t,r,Math.pow(2,8*r),0);var i=1;var s=0;this[t]=e&255;while(++s=0&&(s*=256)){this[t+i]=e/s&255}return t+r};u.prototype.writeUInt8=function Fe(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,1,255,0);if(!u.TYPED_ARRAY_SUPPORT)e=Math.floor(e);this[t]=e&255;return t+1};function z(e,t,r,n){if(t<0)t=65535+t+1;for(var i=0,s=Math.min(e.length-r,2);i>>(n?i:1-i)*8}}u.prototype.writeUInt16LE=function Oe(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,2,65535,0);if(u.TYPED_ARRAY_SUPPORT){this[t]=e&255;this[t+1]=e>>>8}else{z(this,e,t,true)}return t+2};u.prototype.writeUInt16BE=function Me(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,2,65535,0);if(u.TYPED_ARRAY_SUPPORT){this[t]=e>>>8;this[t+1]=e&255}else{z(this,e,t,false)}return t+2};function j(e,t,r,n){if(t<0)t=4294967295+t+1;for(var i=0,s=Math.min(e.length-r,4);i>>(n?i:3-i)*8&255}}u.prototype.writeUInt32LE=function De(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,4,4294967295,0);if(u.TYPED_ARRAY_SUPPORT){this[t+3]=e>>>24;this[t+2]=e>>>16;this[t+1]=e>>>8;this[t]=e&255}else{j(this,e,t,true)}return t+4};u.prototype.writeUInt32BE=function Ne(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,4,4294967295,0);if(u.TYPED_ARRAY_SUPPORT){this[t]=e>>>24;this[t+1]=e>>>16;this[t+2]=e>>>8;this[t+3]=e&255}else{j(this,e,t,false)}return t+4};u.prototype.writeIntLE=function ze(e,t,r,n){e=+e;t=t|0;if(!n){var i=Math.pow(2,8*r-1);N(this,e,t,r,i-1,-i)}var s=0;var o=1;var a=e<0?1:0;this[t]=e&255;while(++s>0)-a&255}return t+r};u.prototype.writeIntBE=function je(e,t,r,n){e=+e;t=t|0;if(!n){var i=Math.pow(2,8*r-1);N(this,e,t,r,i-1,-i)}var s=r-1;var o=1;var a=e<0?1:0;this[t+s]=e&255;while(--s>=0&&(o*=256)){this[t+s]=(e/o>>0)-a&255}return t+r};u.prototype.writeInt8=function He(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,1,127,-128);if(!u.TYPED_ARRAY_SUPPORT)e=Math.floor(e);if(e<0)e=255+e+1;this[t]=e&255;return t+1};u.prototype.writeInt16LE=function qe(e,t,r){ -e=+e;t=t|0;if(!r)N(this,e,t,2,32767,-32768);if(u.TYPED_ARRAY_SUPPORT){this[t]=e&255;this[t+1]=e>>>8}else{z(this,e,t,true)}return t+2};u.prototype.writeInt16BE=function Ge(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,2,32767,-32768);if(u.TYPED_ARRAY_SUPPORT){this[t]=e>>>8;this[t+1]=e&255}else{z(this,e,t,false)}return t+2};u.prototype.writeInt32LE=function We(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,4,2147483647,-2147483648);if(u.TYPED_ARRAY_SUPPORT){this[t]=e&255;this[t+1]=e>>>8;this[t+2]=e>>>16;this[t+3]=e>>>24}else{j(this,e,t,true)}return t+4};u.prototype.writeInt32BE=function Ye(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,4,2147483647,-2147483648);if(e<0)e=4294967295+e+1;if(u.TYPED_ARRAY_SUPPORT){this[t]=e>>>24;this[t+1]=e>>>16;this[t+2]=e>>>8;this[t+3]=e&255}else{j(this,e,t,false)}return t+4};function H(e,t,r,n,i,s){if(t>i||te.length)throw new RangeError("index out of range");if(r<0)throw new RangeError("index out of range")}function q(e,t,r,n,s){if(!s){H(e,t,r,4,3.4028234663852886e38,-3.4028234663852886e38)}i.write(e,t,r,n,23,4);return r+4}u.prototype.writeFloatLE=function Ve(e,t,r){return q(this,e,t,true,r)};u.prototype.writeFloatBE=function Ke(e,t,r){return q(this,e,t,false,r)};function G(e,t,r,n,s){if(!s){H(e,t,r,8,1.7976931348623157e308,-1.7976931348623157e308)}i.write(e,t,r,n,52,8);return r+8}u.prototype.writeDoubleLE=function $e(e,t,r){return G(this,e,t,true,r)};u.prototype.writeDoubleBE=function Ze(e,t,r){return G(this,e,t,false,r)};u.prototype.copy=function Xe(e,t,r,n){if(!r)r=0;if(!n&&n!==0)n=this.length;if(t>=e.length)t=e.length;if(!t)t=0;if(n>0&&n=this.length)throw new RangeError("sourceStart out of bounds");if(n<0)throw new RangeError("sourceEnd out of bounds");if(n>this.length)n=this.length;if(e.length-t=0;s--){e[s+t]=this[s+r]}}else if(i<1e3||!u.TYPED_ARRAY_SUPPORT){for(s=0;s=this.length)throw new RangeError("start out of bounds");if(r<0||r>this.length)throw new RangeError("end out of bounds");var n;if(typeof e==="number"){for(n=t;n55295&&r<57344){if(!i){if(r>56319){if((t-=3)>-1)s.push(239,191,189);continue}else if(o+1===n){if((t-=3)>-1)s.push(239,191,189);continue}i=r;continue}if(r<56320){if((t-=3)>-1)s.push(239,191,189);i=r;continue}r=(i-55296<<10|r-56320)+65536}else if(i){if((t-=3)>-1)s.push(239,191,189)}i=null;if(r<128){if((t-=1)<0)break;s.push(r)}else if(r<2048){if((t-=2)<0)break;s.push(r>>6|192,r&63|128)}else if(r<65536){if((t-=3)<0)break;s.push(r>>12|224,r>>6&63|128,r&63|128)}else if(r<1114112){if((t-=4)<0)break;s.push(r>>18|240,r>>12&63|128,r>>6&63|128,r&63|128)}else{throw new Error("Invalid code point")}}return s}function X(e){var t=[];for(var r=0;r>8;i=r%256;s.push(i);s.push(n)}return s}function Q(e){return n.toByteArray(V(e))}function ee(e,t,r,n){for(var i=0;i=t.length||i>=e.length)break;t[i+r]=e[i]}return i}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"base64-js":10,ieee754:50,"is-array":53}],34:[function(e,t,r){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",300:"Multiple Choices",301:"Moved Permanently",302:"Moved Temporarily",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 Time-out",409:"Conflict",410:"Gone",411:"Length Required",412:"Precondition Failed",413:"Request Entity Too Large",414:"Request-URI Too Large",415:"Unsupported Media Type",416:"Requested Range Not Satisfiable",417:"Expectation Failed",418:"I'm a teapot",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",500:"Internal Server Error",501:"Not Implemented",502:"Bad Gateway",503:"Service Unavailable",504:"Gateway Time-out",505:"HTTP Version Not Supported",506:"Variant Also Negotiates",507:"Insufficient Storage",509:"Bandwidth Limit Exceeded",510:"Not Extended",511:"Network Authentication Required"}},{}],35:[function(e,t,r){t.exports=o;var n=e("block-stream2");var i=e("inherits");var s=e("stream");i(o,s.Writable);function o(e,t,r){var i=this;if(!(i instanceof o)){return new o(e,t,r)}s.Writable.call(i,r);if(!r)r={};if(!e||!e.put||!e.get){throw new Error("First argument must be an abstract-chunk-store compliant store")}t=Number(t);if(!t)throw new Error("Second argument must be a chunk length");i._blockstream=new n(t,{zeroPadding:false});i._blockstream.on("data",f).on("error",function(e){i.destroy(e)});var a=0;function f(t){if(i.destroyed)return;e.put(a,t);a+=1}i.on("finish",function(){this._blockstream.end()})}o.prototype._write=function(e,t,r){this._blockstream.write(e,t,r)};o.prototype.destroy=function(e){if(this.destroyed)return;this.destroyed=true;if(e)this.emit("error",e);this.emit("close")}},{"block-stream2":24,inherits:52,stream:101}],36:[function(e,t,r){t.exports=function(e,t){var r=Infinity;var n=0;var i=null;t.sort(function(e,t){return e-t});for(var s=0,o=t.length;s=r){break}r=n;i=t[s]}return i}},{}],37:[function(e,t,r){(function(e){function t(e){if(Array.isArray){return Array.isArray(e)}return v(e)==="[object Array]"}r.isArray=t;function n(e){return typeof e==="boolean"}r.isBoolean=n;function i(e){return e===null}r.isNull=i;function s(e){return e==null}r.isNullOrUndefined=s;function o(e){return typeof e==="number"}r.isNumber=o;function a(e){return typeof e==="string"}r.isString=a;function f(e){return typeof e==="symbol"}r.isSymbol=f;function u(e){return e===void 0}r.isUndefined=u;function h(e){return v(e)==="[object RegExp]"}r.isRegExp=h;function l(e){return typeof e==="object"&&e!==null}r.isObject=l;function c(e){return v(e)==="[object Date]"}r.isDate=c;function d(e){return v(e)==="[object Error]"||e instanceof Error}r.isError=d;function p(e){return typeof e==="function"}r.isFunction=p;function m(e){return e===null||typeof e==="boolean"||typeof e==="number"||typeof e==="string"||typeof e==="symbol"||typeof e==="undefined"}r.isPrimitive=m;r.isBuffer=e.isBuffer;function v(e){return Object.prototype.toString.call(e)}}).call(this,{isBuffer:e("../../is-buffer/index.js")})},{"../../is-buffer/index.js":54}],38:[function(e,t,r){(function(r,n){t.exports=y;t.exports.announceList=[["udp://tracker.openbittorrent.com:80"],["udp://tracker.internetwarriors.net:1337"],["udp://tracker.leechers-paradise.org:6969"],["udp://tracker.coppersurfer.tk:6969"],["udp://exodus.desync.com:6969"],["wss://tracker.webtorrent.io"],["wss://tracker.btorrent.xyz"]];t.exports.parseInput=b;var i=e("bencode");var s=e("block-stream2");var o=e("piece-length");var a=e("path");var f=e("dezalgo");var u=e("filestream/read");var h=e("flatten");var l=e("fs");var c=e("is-file");var d=e("junk");var p=e("multistream");var m=e("once");var v=e("run-parallel");var g=e("simple-sha1");var _=e("stream");function y(e,t,r){if(typeof t==="function"){r=t;t={}}if(!t)t={};b(e,t,function(e,n,i){if(e)return r(e);t.singleFileTorrent=i;A(n,t,r)})}function b(e,t,r){if(typeof t==="function"){r=t;t={}}if(!t)t={};r=f(r);if(Array.isArray(e)&&e.length===0)throw new Error("invalid input type");if(I(e))e=Array.prototype.slice.call(e);if(!Array.isArray(e))e=[e];if(!t.name)t.name=e[0]&&e[0].name;if(!t.name)t.name=typeof e[0]==="string"&&a.basename(e[0]);if(t.name===undefined){throw new Error("missing option 'name' and unable to infer it from input[0].name")}if(e.length===1&&!e[0].name)e[0].name=t.name;var i=e.reduce(function(e,t){return e+Number(typeof t==="string")},0);var s=e.length===1;if(e.length===1&&typeof e[0]==="string"){if(typeof l.stat!=="function"){throw new Error("filesystem paths do not work in the browser")}c(e[0],function(e,t){if(e)return r(e);s=t;o()})}else{o()}function o(){v(e.map(function(e){return function(r){var o={};if(T(e)){o.getStream=B(e);o.length=e.size}else if(n.isBuffer(e)){o.getStream=C(e);o.length=e.length}else if(L(e)){if(!t.pieceLength){throw new Error("must specify `pieceLength` option if input is Stream")}o.getStream=P(e,o);o.length=0}else if(typeof e==="string"){if(typeof l.stat!=="function"){throw new Error("filesystem paths do not work in the browser")}var f=i>1||s;w(e,f,r);return}else{throw new Error("invalid input type")}if(!e.name)throw new Error("missing requied `name` property on input");o.path=e.name.split(a.sep);r(null,o)}}),function(e,t){if(e)return r(e);t=h(t);r(null,t,s)})}}function w(e,t,r){x(e,S,function(n,i){if(n)return r(n);if(Array.isArray(i))i=h(i);else i=[i];e=a.normalize(e);if(t){e=e.slice(0,e.lastIndexOf(a.sep)+1)}if(e[e.length-1]!==a.sep)e+=a.sep;i.forEach(function(t){t.getStream=R(t.path);t.path=t.path.replace(e,"").split(a.sep)});r(null,i)})}function S(e,t){t=m(t);l.stat(e,function(r,n){if(r)return t(r);var i={length:n.size,path:e};t(null,i)})}function x(e,t,r){l.readdir(e,function(n,i){if(n&&n.code==="ENOTDIR"){t(e,r)}else if(n){r(n)}else{v(i.filter(k).filter(d.not).map(function(r){return function(n){x(a.join(e,r),t,n)}}),r)}})}function k(e){return e[0]!=="."}function E(e,t,r){r=m(r);var i=[];var o=0;var a=e.map(function(e){return e.getStream});var f=0;var u=0;var h=false;var l=new p(a);var c=new s(t,{zeroPadding:false});l.on("error",_);l.pipe(c).on("data",d).on("end",v).on("error",_);function d(e){o+=e.length;var t=u;g(e,function(e){i[t]=e;f-=1;b()});f+=1;u+=1}function v(){h=true;b()}function _(e){y();r(e)}function y(){l.removeListener("error",_);c.removeListener("data",d);c.removeListener("end",v);c.removeListener("error",_)}function b(){if(h&&f===0){y();r(null,new n(i.join(""),"hex"),o)}}}function A(e,n,s){var a=n.announceList;if(!a){if(typeof n.announce==="string")a=[[n.announce]];else if(Array.isArray(n.announce)){a=n.announce.map(function(e){return[e]})}}if(!a)a=[];if(r.WEBTORRENT_ANNOUNCE){if(typeof r.WEBTORRENT_ANNOUNCE==="string"){a.push([[r.WEBTORRENT_ANNOUNCE]])}else if(Array.isArray(r.WEBTORRENT_ANNOUNCE)){a=a.concat(r.WEBTORRENT_ANNOUNCE.map(function(e){return[e]}))}}if(a.length===0){a=a.concat(t.exports.announceList)}if(typeof n.urlList==="string")n.urlList=[n.urlList];var f={info:{name:n.name},announce:a[0][0],"announce-list":a,"creation date":Number(n.creationDate)||Date.now(),encoding:"UTF-8"};if(n.comment!==undefined)f.comment=n.comment;if(n.createdBy!==undefined)f["created by"]=n.createdBy;if(n.private!==undefined)f.info.private=Number(n.private);if(n.sslCert!==undefined)f.info["ssl-cert"]=n.sslCert;if(n.urlList!==undefined)f["url-list"]=n.urlList;var u=n.pieceLength||o(e.reduce(U,0));f.info["piece length"]=u;E(e,u,function(t,r,o){if(t)return s(t);f.info.pieces=r;e.forEach(function(e){delete e.getStream});if(n.singleFileTorrent){f.info.length=o}else{f.info.files=e}s(null,i.encode(f))})}function U(e,t){return e+t.length}function T(e){return typeof Blob!=="undefined"&&e instanceof Blob}function I(e){return typeof FileList==="function"&&e instanceof FileList}function L(e){return typeof e==="object"&&typeof e.pipe==="function"}function B(e){return function(){return new u(e)}}function C(e){return function(){var t=new _.PassThrough;t.end(e);return t}}function R(e){return function(){return l.createReadStream(e)}}function P(e,t){return function(){var r=new _.Transform;r._transform=function(e,r,n){t.length+=e.length;this.push(e);n()};e.pipe(r);return r}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{bencode:11,"block-stream2":24,buffer:33,dezalgo:42,"filestream/read":45,flatten:46,fs:32,"is-file":55,junk:58,multistream:69,once:70,path:73,"piece-length":74,"run-parallel":94,"simple-sha1":98,stream:101}],39:[function(e,t,r){r=t.exports=e("./debug");r.log=s;r.formatArgs=i;r.save=o;r.load=a;r.useColors=n;r.storage="undefined"!=typeof chrome&&"undefined"!=typeof chrome.storage?chrome.storage.local:f();r.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"];function n(){return"WebkitAppearance"in document.documentElement.style||window.console&&(console.firebug||console.exception&&console.table)||navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31}r.formatters.j=function(e){return JSON.stringify(e)};function i(){var e=arguments;var t=this.useColors;e[0]=(t?"%c":"")+this.namespace+(t?" %c":" ")+e[0]+(t?"%c ":" ")+"+"+r.humanize(this.diff);if(!t)return e;var n="color: "+this.color;e=[e[0],n,"color: inherit"].concat(Array.prototype.slice.call(e,1));var i=0;var s=0;e[0].replace(/%[a-z%]/g,function(e){if("%%"===e)return;i++;if("%c"===e){s=i}});e.splice(s,0,n);return e}function s(){return"object"===typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function o(e){try{if(null==e){r.storage.removeItem("debug")}else{r.storage.debug=e}}catch(t){}}function a(){var e;try{e=r.storage.debug}catch(t){}return e}r.enable(a());function f(){try{return window.localStorage}catch(e){}}},{"./debug":40}],40:[function(e,t,r){r=t.exports=o;r.coerce=h;r.disable=f;r.enable=a;r.enabled=u;r.humanize=e("ms");r.names=[];r.skips=[];r.formatters={};var n=0;var i;function s(){return r.colors[n++%r.colors.length]}function o(e){function t(){}t.enabled=false;function n(){var e=n;var t=+new Date;var o=t-(i||t);e.diff=o;e.prev=i;e.curr=t;i=t;if(null==e.useColors)e.useColors=r.useColors();if(null==e.color&&e.useColors)e.color=s();var a=Array.prototype.slice.call(arguments);a[0]=r.coerce(a[0]);if("string"!==typeof a[0]){a=["%o"].concat(a)}var f=0;a[0]=a[0].replace(/%([a-z%])/g,function(t,n){if(t==="%%")return t;f++;var i=r.formatters[n];if("function"===typeof i){var s=a[f];t=i.call(e,s);a.splice(f,1);f--}return t});if("function"===typeof r.formatArgs){a=r.formatArgs.apply(e,a)}var u=n.log||r.log||console.log.bind(console);u.apply(e,a)}n.enabled=true;var o=r.enabled(e)?n:t;o.namespace=e;return o}function a(e){r.save(e);var t=(e||"").split(/[\s,]+/);var n=t.length;for(var i=0;i0&&this._events[e].length>r){this._events[e].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[e].length);if(typeof console.trace==="function"){console.trace()}}}return this};n.prototype.on=n.prototype.addListener;n.prototype.once=function(e,t){if(!i(t))throw TypeError("listener must be a function");var r=false;function n(){this.removeListener(e,n);if(!r){r=true;t.apply(this,arguments)}}n.listener=t;this.on(e,n);return this};n.prototype.removeListener=function(e,t){var r,n,s,a;if(!i(t))throw TypeError("listener must be a function");if(!this._events||!this._events[e])return this;r=this._events[e];s=r.length;n=-1;if(r===t||i(r.listener)&&r.listener===t){delete this._events[e];if(this._events.removeListener)this.emit("removeListener",e,t)}else if(o(r)){for(a=s;a-- >0;){if(r[a]===t||r[a].listener&&r[a].listener===t){n=a;break}}if(n<0)return this;if(r.length===1){r.length=0;delete this._events[e]}else{r.splice(n,1)}if(this._events.removeListener)this.emit("removeListener",e,t)}return this};n.prototype.removeAllListeners=function(e){var t,r;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[e])delete this._events[e];return this}if(arguments.length===0){for(t in this._events){if(t==="removeListener")continue;this.removeAllListeners(t)}this.removeAllListeners("removeListener");this._events={};return this}r=this._events[e];if(i(r)){this.removeListener(e,r)}else if(r){while(r.length)this.removeListener(e,r[r.length-1])}delete this._events[e];return this};n.prototype.listeners=function(e){var t;if(!this._events||!this._events[e])t=[];else if(i(this._events[e]))t=[this._events[e]];else t=this._events[e].slice();return t};n.prototype.listenerCount=function(e){if(this._events){var t=this._events[e];if(i(t))return 1;else if(t)return t.length}return 0};n.listenerCount=function(e,t){return e.listenerCount(t)};function i(e){return typeof e==="function"}function s(e){return typeof e==="number"}function o(e){return typeof e==="object"&&e!==null}function a(e){return e===void 0}},{}],45:[function(e,t,r){var n=e("stream").Readable;var i=e("inherits");var s=/^.*\.(\w+)$/;var o=e("typedarray-to-buffer");function a(e,t){var r=this;if(!(this instanceof a)){return new a(e,t)}t=t||{};n.call(this,t);this._offset=0;this._ready=false;this._file=e;this._size=e.size;this._chunkSize=t.chunkSize||Math.max(this._size/1e3,200*1024);this.reader=new FileReader;this._generateHeaderBlocks(e,t,function(e,t){if(e){return r.emit("error",e)}if(Array.isArray(t)){t.forEach(function(e){r.push(e)})}r._ready=true;r.emit("_ready")})}i(a,n);t.exports=a;a.prototype._generateHeaderBlocks=function(e,t,r){r(null,[])};a.prototype._read=function(){if(!this._ready){this.once("_ready",this._read.bind(this));return}var e=this;var t=this.reader;var r=this._offset;var n=this._offset+this._chunkSize;if(n>this._size)n=this._size;if(r===this._size){this.destroy();this.push(null);return}t.onload=function(){e._offset=n;e.push(o(t.result))};t.onerror=function(){e.emit("error",t.error)};t.readAsArrayBuffer(this._file.slice(r,n))};a.prototype.destroy=function(){this._file=null;if(this.reader){this.reader.onload=null;this.reader.onerror=null;try{this.reader.abort()}catch(e){}}this.reader=null}},{inherits:52,stream:101,"typedarray-to-buffer":111}],46:[function(e,t,r){t.exports=function n(e,t){t=typeof t=="number"?t:Infinity;return r(e,1);function r(e,n){return e.reduce(function(e,i){if(Array.isArray(i)&&n=Math.pow(2,e)){return n(e,t)}else return o};n.rack=function(e,t,r){var i=function(i){var o=0;do{if(o++>10){if(r)e+=r;else throw new Error("too many ID collisions, use more bits")}var a=n(e,t)}while(Object.hasOwnProperty.call(s,a));s[a]=i;return a};var s=i.hats={};i.get=function(e){return i.hats[e]};i.set=function(e,t){i.hats[e]=t;return i};i.bits=e||128;i.base=t||16;return i}},{}],49:[function(e,t,r){var n=e("http");var i=t.exports;for(var s in n){if(n.hasOwnProperty(s))i[s]=n[s]}i.request=function(e,t){if(!e)e={};e.scheme="https";e.protocol="https:";return n.request.call(this,e,t)}},{http:102}],50:[function(e,t,r){r.read=function(e,t,r,n,i){var s,o;var a=i*8-n-1;var f=(1<>1;var h=-7;var l=r?i-1:0;var c=r?-1:1;var d=e[t+l];l+=c;s=d&(1<<-h)-1;d>>=-h;h+=a;for(;h>0;s=s*256+e[t+l],l+=c,h-=8){}o=s&(1<<-h)-1;s>>=-h;h+=n;for(;h>0;o=o*256+e[t+l],l+=c,h-=8){}if(s===0){s=1-u}else if(s===f){return o?NaN:(d?-1:1)*Infinity}else{o=o+Math.pow(2,n);s=s-u}return(d?-1:1)*o*Math.pow(2,s-n)};r.write=function(e,t,r,n,i,s){var o,a,f;var u=s*8-i-1;var h=(1<>1;var c=i===23?Math.pow(2,-24)-Math.pow(2,-77):0;var d=n?0:s-1;var p=n?1:-1;var m=t<0||t===0&&1/t<0?1:0;t=Math.abs(t);if(isNaN(t)||t===Infinity){a=isNaN(t)?1:0;o=h}else{o=Math.floor(Math.log(t)/Math.LN2);if(t*(f=Math.pow(2,-o))<1){o--;f*=2}if(o+l>=1){t+=c/f}else{t+=c*Math.pow(2,1-l)}if(t*f>=2){o++;f/=2}if(o+l>=h){a=0;o=h}else if(o+l>=1){a=(t*f-1)*Math.pow(2,i);o=o+l}else{a=t*Math.pow(2,l-1)*Math.pow(2,i);o=0}}for(;i>=8;e[r+d]=a&255,d+=p,a/=256,i-=8){}o=o<0;e[r+d]=o&255,d+=p,o/=256,u-=8){}e[r+d-p]|=m*128}},{}],51:[function(e,t,r){(function(e){t.exports=r;function r(e){if(!(this instanceof r))return new r(e);this.store=e;if(!this.store||!this.store.get||!this.store.put){throw new Error("First argument must be abstract-chunk-store compliant")}this.mem=[]}r.prototype.put=function(e,t,r){var n=this;n.mem[e]=t;n.store.put(e,t,function(t){n.mem[e]=null;if(r)r(t)})};r.prototype.get=function(e,t,r){if(typeof t==="function")return this.get(e,null,t);var i=t&&t.offset||0;var s=t&&t.length&&i+t.length;var o=this.mem[e];if(o)return n(r,null,t?o.slice(i,s):o);this.store.get(e,t,r)};r.prototype.close=function(e){this.store.close(e)};r.prototype.destroy=function(e){this.store.destroy(e)};function n(t,r,n){e.nextTick(function(){if(t)t(r,n)})}}).call(this,e("_process"))},{_process:76}],52:[function(e,t,r){if(typeof Object.create==="function"){t.exports=function n(e,t){e.super_=t;e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:false,writable:true,configurable:true}})}}else{t.exports=function i(e,t){e.super_=t;var r=function(){};r.prototype=t.prototype;e.prototype=new r;e.prototype.constructor=e}}},{}],53:[function(e,t,r){var n=Array.isArray;var i=Object.prototype.toString;t.exports=n||function(e){return!!e&&"[object Array]"==i.call(e)}},{}],54:[function(e,t,r){t.exports=function(e){return!!(e!=null&&(e._isBuffer||e.constructor&&typeof e.constructor.isBuffer==="function"&&e.constructor.isBuffer(e)))}},{}],55:[function(e,t,r){"use strict";var n=e("fs");t.exports=function s(e,t){if(!t)return i(e);n.stat(e,function(e,r){if(e)return t(e);return t(null,r.isFile())})};t.exports.sync=i;function i(e){return n.existsSync(e)&&n.statSync(e).isFile()}},{fs:32}],56:[function(e,t,r){t.exports=s;s.strict=o;s.loose=a;var n=Object.prototype.toString;var i={"[object Int8Array]":true,"[object Int16Array]":true,"[object Int32Array]":true,"[object Uint8Array]":true,"[object Uint8ClampedArray]":true,"[object Uint16Array]":true,"[object Uint32Array]":true,"[object Float32Array]":true,"[object Float64Array]":true};function s(e){return o(e)||a(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 a(e){return i[n.call(e)]}},{}],57:[function(e,t,r){t.exports=Array.isArray||function(e){return Object.prototype.toString.call(e)=="[object Array]"}},{}],58:[function(e,t,r){"use strict";r.re=/^npm-debug\.log$|^\..*\.swp$|^\.DS_Store$|^\.AppleDouble$|^\.LSOverride$|^Icon[\r\?]?|^\._.*|^\.Spotlight-V100$|\.Trashes|^__MACOSX$|~$|^Thumbs\.db$|^ehthumbs\.db$|^Desktop\.ini$/;r.is=function(e){return r.re.test(e)};r.not=r.isnt=function(e){return!r.is(e)}},{}],59:[function(e,t,r){(function(r){t.exports=o;t.exports.decode=o;t.exports.encode=a;var n=e("thirty-two");var i=e("xtend");var s=e("uniq");function o(e){var t={};var i=e.split("magnet:?")[1];var o=i&&i.length>=0?i.split("&"):[];o.forEach(function(e){var r=e.split("=");if(r.length!==2)return;var n=r[0];var i=r[1];if(n==="dn")i=decodeURIComponent(i).replace(/\+/g," ");if(n==="tr"||n==="xs"||n==="as"||n==="ws"){i=decodeURIComponent(i)}if(n==="kt")i=decodeURIComponent(i).split("+");if(t[n]){if(Array.isArray(t[n])){t[n].push(i)}else{var s=t[n];t[n]=[s,i]}}else{t[n]=i}});var a;if(t.xt){var f=Array.isArray(t.xt)?t.xt:[t.xt];f.forEach(function(e){if(a=e.match(/^urn:btih:(.{40})/)){t.infoHash=a[1]}else if(a=e.match(/^urn:btih:(.{32})/)){var i=n.decode(a[1]);t.infoHash=new r(i,"binary").toString("hex")}})}if(t.infoHash)t.infoHashBuffer=new r(t.infoHash,"hex");if(t.dn)t.name=t.dn;if(t.kt)t.keywords=t.kt;if(typeof t.tr==="string")t.announce=[t.tr];else if(Array.isArray(t.tr))t.announce=t.tr;else t.announce=[];s(t.announce);t.urlList=[];if(typeof t.as==="string"||Array.isArray(t.as)){t.urlList=t.urlList.concat(t.as)}if(typeof t.ws==="string"||Array.isArray(t.ws)){t.urlList=t.urlList.concat(t.ws)}return t}function a(e){e=i(e);if(e.infoHashBuffer)e.xt="urn:btih:"+e.infoHashBuffer.toString("hex");if(e.infoHash)e.xt="urn:btih:"+e.infoHash;if(e.name)e.dn=e.name;if(e.keywords)e.kt=e.keywords;if(e.announce)e.tr=e.announce;if(e.urlList){e.ws=e.urlList;delete e.as}var t="magnet:?";Object.keys(e).filter(function(e){return e.length===2}).forEach(function(r,n){var i=Array.isArray(e[r])?e[r]:[e[r]];i.forEach(function(e,i){if((n>0||i>0)&&(r!=="kt"||i===0))t+="&";if(r==="dn")e=encodeURIComponent(e).replace(/%20/g,"+");if(r==="tr"||r==="xs"||r==="as"||r==="ws"){e=encodeURIComponent(e)}if(r==="kt")e=encodeURIComponent(e);if(r==="kt"&&i>0)t+="+"+e;else t+=r+"="+e})});return t}}).call(this,e("buffer").Buffer)},{buffer:33,"thirty-two":107,uniq:112,xtend:119}],60:[function(e,t,r){t.exports=o;var n=e("inherits");var i=e("stream");var s=typeof window!=="undefined"&&window.MediaSource;n(o,i.Writable);function o(e,t){var r=this;if(!(r instanceof o))return new o(e,t);i.Writable.call(r,t);if(!s)throw new Error("web browser lacks MediaSource support");if(!t)t={};r._elem=e;r._mediaSource=new s;r._sourceBuffer=null;r._cb=null;r._type=t.type||a(t.extname); -if(!r._type)throw new Error("missing `opts.type` or `opts.extname` options");r._elem.src=window.URL.createObjectURL(r._mediaSource);r._mediaSource.addEventListener("sourceopen",function(){if(s.isTypeSupported(r._type)){r._sourceBuffer=r._mediaSource.addSourceBuffer(r._type);r._sourceBuffer.addEventListener("updateend",r._flow.bind(r));r._flow()}else{r._mediaSource.endOfStream("decode")}});r.on("finish",function(){r._mediaSource.endOfStream()})}o.prototype._write=function(e,t,r){var n=this;if(!n._sourceBuffer){n._cb=function(i){if(i)return r(i);n._write(e,t,r)};return}if(n._sourceBuffer.updating){return r(new Error("Cannot append buffer while source buffer updating"))}n._sourceBuffer.appendBuffer(e);n._cb=r};o.prototype._flow=function(){var e=this;if(e._cb){e._cb(null)}};function a(e){if(!e)return null;if(e[0]!==".")e="."+e;return{".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[e]}},{inherits:52,stream:101}],61:[function(e,t,r){(function(e){t.exports=r;function r(e,t){if(!(this instanceof r))return new r(e,t);if(!t)t={};this.chunkLength=Number(e);if(!this.chunkLength)throw new Error("First argument must be a chunk length");this.chunks=[];this.closed=false;this.length=Number(t.length)||Infinity;if(this.length!==Infinity){this.lastChunkLength=this.length%this.chunkLength||this.chunkLength;this.lastChunkIndex=Math.ceil(this.length/this.chunkLength)-1}}r.prototype.put=function(e,t,r){if(this.closed)return n(r,new Error("Storage is closed"));var i=e===this.lastChunkIndex;if(i&&t.length!==this.lastChunkLength){return n(r,new Error("Last chunk length must be "+this.lastChunkLength))}if(!i&&t.length!==this.chunkLength){return n(r,new Error("Chunk length must be "+this.chunkLength))}this.chunks[e]=t;n(r,null)};r.prototype.get=function(e,t,r){if(typeof t==="function")return this.get(e,null,t);if(this.closed)return n(r,new Error("Storage is closed"));var i=this.chunks[e];if(!i)return n(r,new Error("Chunk not found"));if(!t)return n(r,null,i);var s=t.offset||0;var o=t.length||i.length-s;n(r,null,i.slice(s,o+s))};r.prototype.close=r.prototype.destroy=function(e){if(this.closed)return n(e,new Error("Storage is closed"));this.closed=true;this.chunks=null;n(e,null)};function n(t,r,n){e.nextTick(function(){if(t)t(r,n)})}}).call(this,e("_process"))},{_process:76}],62:[function(e,t,r){var n=function(e,t,r){this._byteOffset=t||0;if(e instanceof ArrayBuffer){this.buffer=e}else if(typeof e=="object"){this.dataView=e;if(t){this._byteOffset+=t}}else{this.buffer=new ArrayBuffer(e||0)}this.position=0;this.endianness=r==null?n.LITTLE_ENDIAN:r};t.exports=n;n.prototype={};n.prototype.save=function(e){var t=new Blob([this.buffer]);var r=window.webkitURL||window.URL;if(r&&r.createObjectURL){var n=r.createObjectURL(t);var i=document.createElement("a");i.setAttribute("href",n);i.setAttribute("download",e);i.click();r.revokeObjectURL(n)}else{throw"DataStream.save: Can't create object URL."}};n.BIG_ENDIAN=false;n.LITTLE_ENDIAN=true;n.prototype._dynamicSize=true;Object.defineProperty(n.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){if(!e){this._trimAlloc()}this._dynamicSize=e}});n.prototype._byteLength=0;Object.defineProperty(n.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}});Object.defineProperty(n.prototype,"buffer",{get:function(){this._trimAlloc();return this._buffer},set:function(e){this._buffer=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(n.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(n.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset;this._buffer=e.buffer;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._byteOffset+e.byteLength}});n.prototype._realloc=function(e){if(!this._dynamicSize){return}var t=this._byteOffset+this.position+e;var r=this._buffer.byteLength;if(t<=r){if(t>this._byteLength){this._byteLength=t}return}if(r<1){r=1}while(t>r){r*=2}var n=new ArrayBuffer(r);var i=new Uint8Array(this._buffer);var s=new Uint8Array(n,0,i.length);s.set(i);this.buffer=n;this._byteLength=t};n.prototype._trimAlloc=function(){if(this._byteLength==this._buffer.byteLength){return}var e=new ArrayBuffer(this._byteLength);var t=new Uint8Array(e);var r=new Uint8Array(this._buffer,0,t.length);t.set(r);this.buffer=e};n.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e);var r=new Uint8Array(t);var n=new Uint8Array(this._buffer,e,r.length);r.set(n);this.buffer=t;this.position-=e};n.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t};n.prototype.isEof=function(){return this.position>=this._byteLength};n.prototype.mapInt32Array=function(e,t){this._realloc(e*4);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.mapInt16Array=function(e,t){this._realloc(e*2);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};n.prototype.mapInt8Array=function(e){this._realloc(e*1);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};n.prototype.mapUint32Array=function(e,t){this._realloc(e*4);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.mapUint16Array=function(e,t){this._realloc(e*2);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};n.prototype.mapUint8Array=function(e){this._realloc(e*1);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};n.prototype.mapFloat64Array=function(e,t){this._realloc(e*8);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*8;return r};n.prototype.mapFloat32Array=function(e,t){this._realloc(e*4);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.readInt32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Int32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readInt16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Int16Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readInt8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Int8Array(e);n.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};n.prototype.readUint32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Uint32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readUint16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Uint16Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readUint8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Uint8Array(e);n.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};n.prototype.readFloat64Array=function(e,t){e=e==null?this.byteLength-this.position/8:e;var r=new Float64Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readFloat32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Float32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.writeInt32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt32Array(e.length,t)}else{for(var r=0;r0;n.memcpy=function(e,t,r,n,i){var s=new Uint8Array(e,t,i);var o=new Uint8Array(r,n,i);s.set(o)};n.arrayToNative=function(e,t){if(t==this.endianness){return e}else{return this.flipArrayEndianness(e)}};n.nativeToEndian=function(e,t){if(this.endianness==t){return e}else{return this.flipArrayEndianness(e)}};n.flipArrayEndianness=function(e){var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength);for(var r=0;ri;n--,i++){var s=t[i];t[i]=t[n];t[n]=s}}return e};n.prototype.failurePosition=0;n.prototype.readStruct=function(e){var t={},r,n,i;var s=this.position;for(var o=0;o>16);this.writeUint8((e&65280)>>8);this.writeUint8(e&255)};n.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e);this.writeUint32(t);this.seek(r)}},{}],63:[function(e,t,r){var n=e("./DataStream");var s=e("./descriptor");var o=e("./log");var a={ERR_NOT_ENOUGH_DATA:0,OK:1,boxCodes:["mdat","avcC","hvcC","ftyp","payl","vmhd","smhd","hmhd","dref","elst"],fullBoxCodes:["mvhd","tkhd","mdhd","hdlr","smhd","hmhd","nhmd","url ","urn ","ctts","cslg","stco","co64","stsc","stss","stsz","stz2","stts","stsh","mehd","trex","mfhd","tfhd","trun","tfdt","esds","subs","txtC"],containerBoxCodes:[["moov",["trak"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl"],["mvex",["trex"]],["moof",["traf"]],["traf",["trun"]],["vttc"],["tref"]],sampleEntryCodes:[{prefix:"Visual",types:["mp4v","avc1","avc2","avc3","avc4","avcp","drac","encv","mjp2","mvc1","mvc2","resv","s263","svc1","vc-1","hvc1","hev1"]},{prefix:"Audio",types:["mp4a","ac-3","alac","dra1","dtsc","dtse",,"dtsh","dtsl","ec-3","enca","g719","g726","m4ae","mlpa","raw ","samr","sawb","sawp","sevc","sqcp","ssmv","twos"]},{prefix:"Hint",types:["fdp ","m2ts","pm2t","prtp","rm2t","rrtp","rsrp","rtp ","sm2t","srtp"]},{prefix:"Metadata",types:["metx","mett","urim"]},{prefix:"Subtitle",types:["stpp","wvtt","sbtt","tx3g","stxt"]}],trackReferenceTypes:["scal"],initialize:function(){var e,t;var r;a.FullBox.prototype=new a.Box;a.ContainerBox.prototype=new a.Box;a.stsdBox.prototype=new a.FullBox;a.SampleEntry.prototype=new a.FullBox;a.TrackReferenceTypeBox.prototype=new a.Box;r=a.boxCodes.length;for(e=0;ee.byteLength){e.seek(n);o.w("BoxParser",'Not enough data in stream to parse the entire "'+f+'" box');return{code:a.ERR_NOT_ENOUGH_DATA,type:f,size:s,hdr_size:i}}if(a[f+"Box"]){r=new a[f+"Box"](s-i)}else{if(t){r=new a.SampleEntry(f,s-i)}else{r=new a.Box(f,s-i)}}r.hdr_size=i;r.start=n;r.fileStart=n+e.buffer.fileStart;r.parse(e);e.seek(n+s);return{code:a.OK,box:r,size:s}}};t.exports=a;a.initialize();a.Box.prototype.parse=function(e){if(this.type!="mdat"){this.data=e.readUint8Array(this.size)}else{e.seek(this.start+this.size+this.hdr_size)}};a.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8();this.flags=e.readUint24();this.size-=4};a.ContainerBox.prototype.parse=function(e){var t;var r;var n;n=e.position;while(e.position=4){this.compatible_brands[t]=e.readString(4);this.size-=4;t++}};a.mvhdBox.prototype.parse=function(e){this.flags=0;this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.rate=e.readUint32();this.volume=e.readUint16()>>8;e.readUint16();e.readUint32Array(2);this.matrix=e.readUint32Array(9);e.readUint32Array(6);this.next_track_id=e.readUint32()};a.TKHD_FLAG_ENABLED=1;a.TKHD_FLAG_IN_MOVIE=2;a.TKHD_FLAG_IN_PREVIEW=4;a.tkhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint32()}e.readUint32Array(2);this.layer=e.readInt16();this.alternate_group=e.readInt16();this.volume=e.readInt16()>>8;e.readUint16();this.matrix=e.readInt32Array(9);this.width=e.readUint32();this.height=e.readUint32()};a.mdhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.language=e.readUint16();var t=[];t[0]=this.language>>10&31;t[1]=this.language>>5&31;t[2]=this.language&31;this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96);e.readUint16()};a.hdlrBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version===0){e.readUint32();this.handler=e.readString(4);e.readUint32Array(3);this.name=e.readCString()}else{this.data=e.readUint8Array(size)}};a.stsdBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);r=e.readUint32();for(i=1;i<=r;i++){t=a.parseOneBox(e,true); -this.entries.push(t.box)}};a.avcCBox.prototype.parse=function(e){var t;var r;var n;this.configurationVersion=e.readUint8();this.AVCProfileIndication=e.readUint8();this.profile_compatibility=e.readUint8();this.AVCLevelIndication=e.readUint8();this.lengthSizeMinusOne=e.readUint8()&3;r=e.readUint8()&31;this.size-=6;this.SPS=new Array(r);for(t=0;t0){this.ext=e.readUint8Array(this.size)}};a.hvcCBox.prototype.parse=function(e){var t;var r;var n;var i;this.configurationVersion=e.readUint8();i=e.readUint8();this.general_profile_space=i>>6;this.general_tier_flag=(i&32)>>5;this.general_profile_idc=i&31;this.general_profile_compatibility=e.readUint32();this.general_constraint_indicator=e.readUint8Array(6);this.general_level_idc=e.readUint8();this.min_spatial_segmentation_idc=e.readUint16()&4095;this.parallelismType=e.readUint8()&3;this.chromaFormat=e.readUint8()&3;this.bitDepthLumaMinus8=e.readUint8()&7;this.bitDepthChromaMinus8=e.readUint8()&7;this.avgFrameRate=e.readUint16();i=e.readUint8();this.constantFrameRate=i>>6;this.numTemporalLayers=(i&13)>>3;this.temporalIdNested=(i&4)>>2;this.lengthSizeMinusOne=i&3;this.nalu_arrays=[];numOfArrays=e.readUint8();for(t=0;t>7;s.nalu_type=i&63;numNalus=e.readUint16();for(j=0;j>=1}t+=f(n,0);t+=".";if(this.hvcC.general_tier_flag===0){t+="L"}else{t+="H"}t+=this.hvcC.general_level_idc;var i=false;var s="";for(e=5;e>=0;e--){if(this.hvcC.general_constraint_indicator[e]||i){s="."+f(this.hvcC.general_constraint_indicator[e],0)+s;i=true}}t+=s}return t};a.mp4aBox.prototype.getCodec=function(){var e=a.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI();var r=this.esds.esd.getAudioConfig();return e+"."+f(t)+(r?"."+r:"")}else{return e}};a.esdsBox.prototype.parse=function(e){this.parseFullHeader(e);this.data=e.readUint8Array(this.size);this.size=0;var t=new s;this.esd=t.parseOneDescriptor(new n(this.data.buffer,0,n.BIG_ENDIAN))};a.txtCBox.prototype.parse=function(e){this.parseFullHeader(e);this.config=e.readCString()};a.cttsBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.sample_counts=[];this.sample_offsets=[];if(this.version===0){for(r=0;rt&&this.flags&a.TFHD_FLAG_BASE_DATA_OFFSET){this.base_data_offset=e.readUint64();t+=8}else{this.base_data_offset=0}if(this.size>t&&this.flags&a.TFHD_FLAG_SAMPLE_DESC){this.default_sample_description_index=e.readUint32();t+=4}else{this.default_sample_description_index=0}if(this.size>t&&this.flags&a.TFHD_FLAG_SAMPLE_DUR){this.default_sample_duration=e.readUint32();t+=4}else{this.default_sample_duration=0}if(this.size>t&&this.flags&a.TFHD_FLAG_SAMPLE_SIZE){this.default_sample_size=e.readUint32();t+=4}else{this.default_sample_size=0}if(this.size>t&&this.flags&a.TFHD_FLAG_SAMPLE_FLAGS){this.default_sample_flags=e.readUint32();t+=4}else{this.default_sample_flags=0}};a.TRUN_FLAGS_DATA_OFFSET=1;a.TRUN_FLAGS_FIRST_FLAG=4;a.TRUN_FLAGS_DURATION=256;a.TRUN_FLAGS_SIZE=512;a.TRUN_FLAGS_FLAGS=1024;a.TRUN_FLAGS_CTS_OFFSET=2048;a.trunBox.prototype.parse=function(e){var t=0;this.parseFullHeader(e);this.sample_count=e.readUint32();t+=4;if(this.size>t&&this.flags&a.TRUN_FLAGS_DATA_OFFSET){this.data_offset=e.readInt32();t+=4}else{this.data_offset=0}if(this.size>t&&this.flags&a.TRUN_FLAGS_FIRST_FLAG){this.first_sample_flags=e.readUint32();t+=4}else{this.first_sample_flags=0}this.sample_duration=[];this.sample_size=[];this.sample_flags=[];this.sample_composition_time_offset=[];if(this.size>t){for(var r=0;r0){for(r=0;rn.MAX_SIZE){this.size+=8}o.d("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.position+(t||""));if(this.size>n.MAX_SIZE){e.writeUint32(1)}else{this.sizePosition=e.position;e.writeUint32(this.size)}e.writeString(this.type,null,4);if(this.size>n.MAX_SIZE){e.writeUint64(this.size)}};a.FullBox.prototype.writeHeader=function(e){this.size+=4;a.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags);e.writeUint8(this.version);e.writeUint24(this.flags)};a.Box.prototype.write=function(e){if(this.type==="mdat"){if(this.data){this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}}else{this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}};a.ContainerBox.prototype.write=function(e){this.size=0;this.writeHeader(e);for(var t=0;t>3}else{return null}};a.DecoderConfigDescriptor=function(e){a.Descriptor.call(this,t,e)};a.DecoderConfigDescriptor.prototype=new a.Descriptor;a.DecoderConfigDescriptor.prototype.parse=function(e){this.oti=e.readUint8();this.streamType=e.readUint8();this.bufferSize=e.readUint24();this.maxBitrate=e.readUint32();this.avgBitrate=e.readUint32();this.size-=13;this.parseRemainingDescriptors(e)};a.DecoderSpecificInfo=function(e){a.Descriptor.call(this,r,e)};a.DecoderSpecificInfo.prototype=new a.Descriptor;a.SLConfigDescriptor=function(e){a.Descriptor.call(this,i,e)};a.SLConfigDescriptor.prototype=new a.Descriptor;return this};t.exports=i},{"./log":66}],65:[function(e,t,r){var n=e("./box");var i=e("./DataStream");var s=e("./log");var o=function(e){this.stream=e;this.boxes=[];this.mdats=[];this.moofs=[];this.isProgressive=false;this.lastMoofIndex=0;this.lastBoxStartPosition=0;this.parsingMdat=null;this.moovStartFound=false;this.samplesDataSize=0;this.nextParsePosition=0};t.exports=o;o.prototype.mergeNextBuffer=function(){var e;if(this.stream.bufferIndex+1"+this.stream.buffer.byteLength+")");return true}else{return false}}else{return false}};o.prototype.parse=function(){var e;var t;var r;s.d("ISOFile","Starting parsing with buffer #"+this.stream.bufferIndex+" (fileStart: "+this.stream.buffer.fileStart+" - Length: "+this.stream.buffer.byteLength+") from position "+this.lastBoxStartPosition+" ("+(this.stream.buffer.fileStart+this.lastBoxStartPosition)+" in the file)");this.stream.seek(this.lastBoxStartPosition);while(true){if(this.parsingMdat!==null){r=this.parsingMdat;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){s.d("ISOFile","Found 'mdat' end in buffer #"+this.stream.bufferIndex);this.parsingMdat=null;continue}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex);return}}else{this.lastBoxStartPosition=this.stream.position;t=n.parseOneBox(this.stream);if(t.code===n.ERR_NOT_ENOUGH_DATA){if(t.type==="mdat"){r=new n[t.type+"Box"](t.size-t.hdr_size);this.parsingMdat=r;this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+this.stream.position;r.hdr_size=t.hdr_size;this.stream.buffer.usedBytes+=t.hdr_size;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){this.parsingMdat=null;continue}else{if(!this.moovStartFound){this.nextParsePosition=r.fileStart+r.size+r.hdr_size}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex)}return}}else{if(t.type==="moov"){this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}}else if(t.type==="free"){e=this.reposition(false,this.stream.buffer.fileStart+this.stream.position+t.size);if(e){continue}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size;return}}merged=this.mergeNextBuffer();if(merged){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength;continue}else{if(!t.type){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{if(this.moovStartFound){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size}}return}}}else{r=t.box;this.boxes.push(r);switch(r.type){case"mdat":this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+r.start;break;case"moof":this.moofs.push(r);break;case"moov":this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}default:if(this[r.type]!==undefined){s.w("ISOFile","Duplicate Box of type: "+r.type+", overriding previous occurrence")}this[r.type]=r;break}if(r.type==="mdat"){this.stream.buffer.usedBytes+=r.hdr_size}else{this.stream.buffer.usedBytes+=t.size}}}}};o.prototype.reposition=function(e,t){var r;r=this.findPosition(e,t);if(r!==-1){this.stream.buffer=this.stream.nextBuffers[r];this.stream.bufferIndex=r;this.stream.position=t-this.stream.buffer.fileStart;s.d("ISOFile","Repositioning parser at buffer position: "+this.stream.position);return true}else{return false}};o.prototype.findPosition=function(e,t){var r;var n=null;var i=-1;if(e===true){r=0}else{r=this.stream.bufferIndex}while(r=t){s.d("ISOFile","Found position in existing buffer #"+i);return i}else{return-1}}else{return-1}};o.prototype.findEndContiguousBuf=function(e){var t;var r;var n;r=this.stream.nextBuffers[e];if(this.stream.nextBuffers.length>e+1){for(t=e+1;t-1){this.moov.boxes.splice(r,1)}this.moov.mvex=null}this.moov.mvex=new n.mvexBox;this.moov.boxes.push(this.moov.mvex);this.moov.mvex.mehd=new n.mehdBox;this.moov.mvex.boxes.push(this.moov.mvex.mehd);this.moov.mvex.mehd.fragment_duration=this.initial_duration;for(t=0;t0?this.moov.traks[t].samples[0].duration:0;o.default_sample_size=0;o.default_sample_flags=1<<16}this.moov.write(e)};o.prototype.resetTables=function(){var e;var t,r,n,i,s,o,a,f;this.initial_duration=this.moov.mvhd.duration;this.moov.mvhd.duration=0;for(e=0;eg){_++;if(g<0){g=0}g+=a.sample_counts[_]}if(t>0){n.samples[t-1].duration=a.sample_deltas[_];x.dts=n.samples[t-1].dts+n.samples[t-1].duration}else{x.dts=0}if(f){if(t>y){b++;y+=f.sample_counts[b]}x.cts=n.samples[t].dts+f.sample_offsets[b]}else{x.cts=x.dts}if(u){if(t==u.sample_numbers[w]-1){x.is_rap=true;w++}else{x.is_rap=false}}else{x.is_rap=true}if(l){if(l.samples[subs_entry_index].sample_delta+last_subs_sample_index==t){x.subsamples=l.samples[subs_entry_index].subsamples;last_subs_sample_index+=l.samples[subs_entry_index].sample_delta}}}if(t>0)n.samples[t-1].duration=n.mdia.mdhd.duration-n.samples[t-1].dts}};o.prototype.updateSampleLists=function(){var e,t,r;var i,s,o,a;var f;var u,h,l,c,d;var p;while(this.lastMoofIndex0){p.dts=c.samples[c.samples.length-2].dts+c.samples[c.samples.length-2].duration}else{if(l.tfdt){p.dts=l.tfdt.baseMediaDecodeTime}else{p.dts=0}c.first_traf_merged=true}p.cts=p.dts;if(m.flags&n.TRUN_FLAGS_CTS_OFFSET){p.cts=p.dts+m.sample_composition_time_offset[r]}sample_flags=a;if(m.flags&n.TRUN_FLAGS_FLAGS){sample_flags=m.sample_flags[r]}else if(r===0&&m.flags&n.TRUN_FLAGS_FIRST_FLAG){sample_flags=m.first_sample_flags}p.is_rap=sample_flags>>16&1?false:true;var v=l.tfhd.flags&n.TFHD_FLAG_BASE_DATA_OFFSET?true:false;var g=l.tfhd.flags&n.TFHD_FLAG_DEFAULT_BASE_IS_MOOF?true:false;var _=m.flags&n.TRUN_FLAGS_DATA_OFFSET?true:false;var y=0;if(!v){if(!g){if(t===0){y=h.fileStart}else{y=f}}else{y=h.fileStart}}else{y=l.tfhd.base_data_offset}if(t===0&&r===0){if(_){p.offset=y+m.data_offset}else{p.offset=y}}else{p.offset=f}f=p.offset+p.size}}if(l.subs){var b=l.first_sample_index;for(t=0;t0){t+=","}t+=r.mdia.minf.stbl.stsd.entries[0].getCodec()}return t};o.prototype.getTrexById=function(e){var t;if(!this.originalMvex)return null;for(t=0;t=r.fileStart&&o.offset+o.alreadyRead=o){console.debug("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},i:function(t,r){if(i>=o){console.info("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},w:function(t,i){if(r>=o){console.warn("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",i)}},e:function(r,i){if(t>=o){console.error("["+n.getDurationString(new Date-e,1e3)+"]","["+r+"]",i)}}};return a}();t.exports=n;n.getDurationString=function(e,t){function r(e,t){var r=""+e;var n=r.split(".");while(n[0].length0){var r="";for(var i=0;i0)r+=",";r+="["+n.getDurationString(e.start(i))+","+n.getDurationString(e.end(i))+"]"}return r}else{return"(empty)"}}},{}],67:[function(e,t,r){var n=e("./box");var s=e("./DataStream");var o=e("./isofile");var a=e("./log");var f=function(){this.inputStream=null;this.nextBuffers=[];this.inputIsoFile=null;this.onMoovStart=null;this.moovStartSent=false;this.onReady=null;this.readySent=false;this.onSegment=null;this.onSamples=null;this.onError=null;this.sampleListBuilt=false;this.fragmentedTracks=[];this.extractedTracks=[];this.isFragmentationStarted=false;this.nextMoofNumber=0};t.exports=f;f.prototype.setSegmentOptions=function(e,t,r){var n=this.inputIsoFile.getTrackById(e);if(n){var i={};this.fragmentedTracks.push(i);i.id=e;i.user=t;i.trak=n;n.nextSample=0;i.segmentStream=null;i.nb_samples=1e3;i.rapAlignement=true;if(r){if(r.nbSamples)i.nb_samples=r.nbSamples;if(r.rapAlignement)i.rapAlignement=r.rapAlignement}}};f.prototype.unsetSegmentOptions=function(e){var t=-1;for(var r=0;r-1){this.fragmentedTracks.splice(t,1)}};f.prototype.setExtractionOptions=function(e,t,r){var n=this.inputIsoFile.getTrackById(e);if(n){var i={};this.extractedTracks.push(i);i.id=e;i.user=t;i.trak=n;n.nextSample=0;i.nb_samples=1e3;i.samples=[];if(r){if(r.nbSamples)i.nb_samples=r.nbSamples}}};f.prototype.unsetExtractionOptions=function(e){var t=-1;for(var r=0;r-1){this.extractedTracks.splice(t,1)}};f.prototype.createSingleSampleMoof=function(e){var t=new n.moofBox;var r=new n.mfhdBox;r.sequence_number=this.nextMoofNumber;this.nextMoofNumber++;t.boxes.push(r);var i=new n.trafBox;t.boxes.push(i);var s=new n.tfhdBox;i.boxes.push(s);s.track_id=e.track_id;s.flags=n.TFHD_FLAG_DEFAULT_BASE_IS_MOOF;var o=new n.tfdtBox;i.boxes.push(o);o.baseMediaDecodeTime=e.dts;var a=new n.trunBox;i.boxes.push(a);t.trun=a;a.flags=n.TRUN_FLAGS_DATA_OFFSET|n.TRUN_FLAGS_DURATION|n.TRUN_FLAGS_SIZE|n.TRUN_FLAGS_FLAGS|n.TRUN_FLAGS_CTS_OFFSET;a.data_offset=0;a.first_sample_flags=0;a.sample_count=1;a.sample_duration=[];a.sample_duration[0]=e.duration;a.sample_size=[];a.sample_size[0]=e.size;a.sample_flags=[];a.sample_flags[0]=0;a.sample_composition_time_offset=[];a.sample_composition_time_offset[0]=e.cts-e.dts;return t};f.prototype.createFragment=function(e,t,r,i){var o=this.inputIsoFile.getTrackById(t);var f=this.inputIsoFile.getSample(o,r);if(f==null){if(this.nextSeekPosition){this.nextSeekPosition=Math.min(o.samples[r].offset,this.nextSeekPosition)}else{this.nextSeekPosition=o.samples[r].offset}return null}var u=i||new s;u.endianness=s.BIG_ENDIAN;var h=this.createSingleSampleMoof(f);h.write(u);h.trun.data_offset=h.size+8;a.d("BoxWriter","Adjusting data_offset with new value "+h.trun.data_offset);u.adjustUint32(h.trun.data_offset_position,h.trun.data_offset);var l=new n.mdatBox;l.data=f.data;l.write(u);return u};ArrayBuffer.concat=function(e,t){a.d("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var r=new Uint8Array(e.byteLength+t.byteLength);r.set(new Uint8Array(e),0);r.set(new Uint8Array(t),e.byteLength);return r.buffer};f.prototype.reduceBuffer=function(e,t,r){var n;n=new Uint8Array(r);n.set(new Uint8Array(e,t,r));n.buffer.fileStart=e.fileStart+t;n.buffer.usedBytes=0;return n.buffer};f.prototype.insertBuffer=function(e){var t=true;for(var r=0;rn.byteLength){this.nextBuffers.splice(r,1);r--;continue}else{a.w("MP4Box","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}}else{if(e.fileStart+e.byteLength<=n.fileStart){}else{e=this.reduceBuffer(e,0,n.fileStart-e.fileStart)}a.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.splice(r,0,e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}t=false;break}else if(e.fileStart0){e=this.reduceBuffer(e,i,s)}else{t=false;break}}}if(t){a.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.push(e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}};f.prototype.processSamples=function(){var e;var t;if(this.isFragmentationStarted&&this.onSegment!==null){for(e=0;e=t.samples.length){a.i("MP4Box","Sending fragmented data on track #"+r.id+" for samples ["+(t.nextSample-r.nb_samples)+","+(t.nextSample-1)+"]");if(this.onSegment){this.onSegment(r.id,r.user,r.segmentStream.buffer,t.nextSample)}r.segmentStream=null;if(r!==this.fragmentedTracks[e]){break}}}}}if(this.onSamples!==null){for(e=0;e=t.samples.length){a.d("MP4Box","Sending samples on track #"+i.id+" for sample "+t.nextSample);if(this.onSamples){this.onSamples(i.id,i.user,i.samples)}i.samples=[];if(i!==this.extractedTracks[e]){break}}}}}};f.prototype.appendBuffer=function(e){var t;var r;if(e===null||e===undefined){throw"Buffer must be defined and non empty"}if(e.fileStart===undefined){throw"Buffer must have a fileStart property"}if(e.byteLength===0){a.w("MP4Box","Ignoring empty buffer (fileStart: "+e.fileStart+")");return}e.usedBytes=0;this.insertBuffer(e);if(!this.inputStream){if(this.nextBuffers.length>0){r=this.nextBuffers[0];if(r.fileStart===0){this.inputStream=new s(r,0,s.BIG_ENDIAN);this.inputStream.nextBuffers=this.nextBuffers;this.inputStream.bufferIndex=0}else{a.w("MP4Box","The first buffer should have a fileStart of 0");return}}else{a.w("MP4Box","No buffer to start parsing from");return}}if(!this.inputIsoFile){this.inputIsoFile=new o(this.inputStream)}this.inputIsoFile.parse();if(this.inputIsoFile.moovStartFound&&!this.moovStartSent){this.moovStartSent=true;if(this.onMoovStart)this.onMoovStart()}if(this.inputIsoFile.moov){if(!this.sampleListBuilt){this.inputIsoFile.buildSampleLists();this.sampleListBuilt=true}this.inputIsoFile.updateSampleLists();if(this.onReady&&!this.readySent){var n=this.getInfo();this.readySent=true;this.onReady(n)}this.processSamples();if(this.nextSeekPosition){t=this.nextSeekPosition;this.nextSeekPosition=undefined}else{t=this.inputIsoFile.nextParsePosition}var i=this.inputIsoFile.findPosition(true,t);if(i!==-1){t=this.inputIsoFile.findEndContiguousBuf(i)}a.i("MP4Box","Next buffer to fetch should have a fileStart position of "+t);return t}else{if(this.inputIsoFile!==null){return this.inputIsoFile.nextParsePosition}else{return 0}}};f.prototype.getInfo=function(){var e={};var t;var r;var n;var s=new Date(4,0,1,0,0,0,0).getTime();e.duration=this.inputIsoFile.moov.mvhd.duration;e.timescale=this.inputIsoFile.moov.mvhd.timescale;e.isFragmented=this.inputIsoFile.moov.mvex!=null;if(e.isFragmented&&this.inputIsoFile.moov.mvex.mehd){e.fragment_duration=this.inputIsoFile.moov.mvex.mehd.fragment_duration}else{e.fragment_duration=0}e.isProgressive=this.inputIsoFile.isProgressive;e.hasIOD=this.inputIsoFile.moov.iods!=null;e.brands=[];e.brands.push(this.inputIsoFile.ftyp.major_brand);e.brands=e.brands.concat(this.inputIsoFile.ftyp.compatible_brands);e.created=new Date(s+this.inputIsoFile.moov.mvhd.creation_time*1e3);e.modified=new Date(s+this.inputIsoFile.moov.mvhd.modification_time*1e3);e.tracks=[];e.audioTracks=[];e.videoTracks=[];e.subtitleTracks=[];e.metadataTracks=[];e.hintTracks=[];e.otherTracks=[];for(i=0;ie*i.timescale){f=r.samples[n-1].offset;h=n-1;break}if(t&&i.is_rap){s=i.offset;o=i.cts;u=n}}if(t){r.nextSample=u;a.i("MP4Box","Seeking to RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+a.getDurationString(o,l)+" and offset: "+s);return{offset:s,time:o/l}}else{r.nextSample=h;a.i("MP4Box","Seeking to non-RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+a.getDurationString(e)+" and offset: "+s);return{offset:f,time:e}}};f.prototype.seek=function(e,t){var r=this.inputIsoFile.moov;var n;var i;var s;var o={offset:Infinity,time:Infinity};if(!this.inputIsoFile.moov){throw"Cannot seek: moov not received!"}else{for(s=0;s1e4)return;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)return;var r=parseFloat(t[1]);var f=(t[2]||"ms").toLowerCase();switch(f){case"years":case"year":case"yrs":case"yr":case"y":return r*a;case"days":case"day":case"d":return r*o;case"hours":case"hour":case"hrs":case"hr":case"h":return r*s;case"minutes":case"minute":case"mins":case"min":case"m":return r*i;case"seconds":case"second":case"secs":case"sec":case"s":return r*n;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return r}}function u(e){if(e>=o)return Math.round(e/o)+"d";if(e>=s)return Math.round(e/s)+"h";if(e>=i)return Math.round(e/i)+"m";if(e>=n)return Math.round(e/n)+"s";return e+"ms"}function h(e){return l(e,o,"day")||l(e,s,"hour")||l(e,i,"minute")||l(e,n,"second")||e+" ms"}function l(e,t,r){if(e0?[e["url-list"]]:[]}t.urlList=(e["url-list"]||[]).map(function(e){return e.toString()});var a=e.info.files||[e.info];t.files=a.map(function(e,r){var n=[].concat(t.name,e["path.utf-8"]||e.path||[]).map(function(e){return e.toString()});return{path:i.join.apply(null,[i.sep].concat(n)).slice(1),name:n[n.length-1],length:e.length,offset:a.slice(0,r).reduce(u,0)}});t.length=a.reduce(u,0);var f=t.files[t.files.length-1];t.pieceLength=e.info["piece length"];t.lastPieceLength=(f.offset+f.length)%t.pieceLength||t.pieceLength;t.pieces=h(e.info.pieces);return t}function f(e){var t={info:e.info};t["announce-list"]=e.announce.map(function(e){if(!t.announce)t.announce=e;e=new r(e,"utf8");return[e]});if(e.created){t["creation date"]=e.created.getTime()/1e3|0}if(e.urlList){t["url-list"]=e.urlList}return n.encode(t)}function u(e,t){return e+t.length}function h(e){var t=[];for(var r=0;r=0;n--){var i=e[n];if(i==="."){e.splice(n,1)}else if(i===".."){e.splice(n,1);r++}else if(r){e.splice(n,1);r--}}if(t){for(;r--;r){e.unshift("..")}}return e}var n=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;var i=function(e){return n.exec(e).slice(1)};r.resolve=function(){var r="",n=false;for(var i=arguments.length-1;i>=-1&&!n;i--){var o=i>=0?arguments[i]:e.cwd();if(typeof o!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!o){continue}r=o+"/"+r;n=o.charAt(0)==="/"}r=t(s(r.split("/"),function(e){return!!e}),!n).join("/");return(n?"/":"")+r||"."};r.normalize=function(e){var n=r.isAbsolute(e),i=o(e,-1)==="/";e=t(s(e.split("/"),function(e){return!!e}),!n).join("/");if(!e&&!n){e="."}if(e&&i){e+="/"}return(n?"/":"")+e};r.isAbsolute=function(e){return e.charAt(0)==="/"};r.join=function(){var e=Array.prototype.slice.call(arguments,0);return r.normalize(s(e,function(e,t){if(typeof e!=="string"){throw new TypeError("Arguments to path.join must be strings")}return e}).join("/"))};r.relative=function(e,t){e=r.resolve(e).substr(1);t=r.resolve(t).substr(1);function n(e){var t=0;for(;t=0;r--){if(e[r]!=="")break}if(t>r)return[];return e.slice(t,r-t+1)}var i=n(e.split("/"));var s=n(t.split("/"));var o=Math.min(i.length,s.length);var a=o;for(var f=0;f0){t.exports=e.nextTick}else{t.exports=r}function r(t){var r=new Array(arguments.length-1);var n=0;while(n1){for(var r=1;r0;return h(i,o,a,function(e){if(!r)r=e;if(e)n.forEach(l);if(o)return;n.forEach(l);t(r)})});return e.reduce(c)};t.exports=d},{"end-of-stream":43,fs:32,once:70}],78:[function(t,r,n){(function(t){(function(i){var s=typeof n=="object"&&n&&!n.nodeType&&n;var o=typeof r=="object"&&r&&!r.nodeType&&r;var a=typeof t=="object"&&t;if(a.global===a||a.window===a||a.self===a){i=a}var f,u=2147483647,h=36,l=1,c=26,d=38,p=700,m=72,v=128,g="-",_=/^xn--/,y=/[^\x20-\x7E]/,b=/[\x2E\u3002\uFF0E\uFF61]/g,w={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid input"},S=h-l,x=Math.floor,k=String.fromCharCode,E;function A(e){throw RangeError(w[e])}function U(e,t){var r=e.length;var n=[];while(r--){n[r]=t(e[r])}return n}function T(e,t){var r=e.split("@");var n="";if(r.length>1){n=r[0]+"@";e=r[1]}e=e.replace(b,".");var i=e.split(".");var s=U(i,t).join(".");return n+s}function I(e){var t=[],r=0,n=e.length,i,s;while(r=55296&&i<=56319&&r65535){e-=65536;t+=k(e>>>10&1023|55296);e=56320|e&1023}t+=k(e);return t}).join("")}function B(e){if(e-48<10){return e-22}if(e-65<26){return e-65}if(e-97<26){return e-97}return h}function C(e,t){return e+22+75*(e<26)-((t!=0)<<5)}function R(e,t,r){var n=0;e=r?x(e/p):e>>1;e+=x(e/t);for(;e>S*c>>1;n+=h){e=x(e/S)}return x(n+(S+1)*e/(e+d))}function P(e){var t=[],r=e.length,n,i=0,s=v,o=m,a,f,d,p,_,y,b,w,S;a=e.lastIndexOf(g);if(a<0){a=0}for(f=0;f=128){A("not-basic")}t.push(e.charCodeAt(f))}for(d=a>0?a+1:0;d=r){A("invalid-input")}b=B(e.charCodeAt(d++));if(b>=h||b>x((u-i)/_)){A("overflow")}i+=b*_;w=y<=o?l:y>=o+c?c:y-o;if(bx(u/S)){A("overflow")}_*=S}n=t.length+1;o=R(i-p,n,p==0);if(x(i/n)>u-s){A("overflow")}s+=x(i/n);i%=n;t.splice(i++,0,s)}return L(t)}function F(e){var t,r,n,i,s,o,a,f,d,p,_,y=[],b,w,S,E;e=I(e);b=e.length;t=v;r=0;s=m;for(o=0;o=t&&_x((u-r)/w)){A("overflow")}r+=(a-t)*w;t=a;for(o=0;ou){A("overflow")}if(_==t){for(f=r,d=h;;d+=h){p=d<=s?l:d>=s+c?c:d-s;if(f0&&u>f){u=f}for(var h=0;h=0){d=l.substr(0,c);p=l.substr(c+1)}else{d=l;p=""}m=decodeURIComponent(d);v=decodeURIComponent(p);if(!n(o,m)){o[m]=v}else if(i(o[m])){o[m].push(v)}else{o[m]=[o[m],v]}}return o};var i=Array.isArray||function(e){return Object.prototype.toString.call(e)==="[object Array]"}},{}],80:[function(e,t,r){"use strict";var n=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,r,a){t=t||"&";r=r||"=";if(e===null){e=undefined}if(typeof e==="object"){return s(o(e),function(o){var a=encodeURIComponent(n(o))+r;if(i(e[o])){return s(e[o],function(e){return a+encodeURIComponent(n(e))}).join(t)}else{return a+encodeURIComponent(n(e[o]))}}).join(t)}if(!a)return"";return encodeURIComponent(n(a))+r+encodeURIComponent(n(e))};var i=Array.isArray||function(e){return Object.prototype.toString.call(e)==="[object Array]"};function s(e,t){if(e.map)return e.map(t);var r=[];for(var n=0;n0){if(t.ended&&!i){var o=new Error("stream.push() after EOF");e.emit("error",o)}else if(t.endEmitted&&i){var o=new Error("stream.unshift() after end event");e.emit("error",o)}else{if(t.decoder&&!i&&!n)r=t.decoder.write(r);if(!i)t.reading=false;if(t.flowing&&t.length===0&&!t.sync){e.emit("data",r);e.read(0)}else{t.length+=t.objectMode?1:r.length;if(i)t.buffer.unshift(r);else t.buffer.push(r);if(t.needReadable)S(e)}k(e,t)}}else if(!i){t.reading=false}return v(t)}function v(e){return!e.ended&&(e.needReadable||e.length=g){e=g}else{e--;e|=e>>>1;e|=e>>>2;e|=e>>>4;e|=e>>>8;e|=e>>>16;e++}return e}function y(e,t){if(t.length===0&&t.ended)return 0;if(t.objectMode)return e===0?0:1;if(e===null||isNaN(e)){if(t.flowing&&t.buffer.length)return t.buffer[0].length;else return t.length}if(e<=0)return 0;if(e>t.highWaterMark)t.highWaterMark=_(e);if(e>t.length){if(!t.ended){t.needReadable=true;return 0}else{return t.length}}return e}p.prototype.read=function(e){l("read",e);var t=this._readableState;var r=e;if(typeof e!=="number"||e>0)t.emittedReadable=false;if(e===0&&t.needReadable&&(t.length>=t.highWaterMark||t.ended)){l("read: emitReadable",t.length,t.ended);if(t.length===0&&t.ended)C(this);else S(this);return null}e=y(e,t);if(e===0&&t.ended){if(t.length===0)C(this);return null}var n=t.needReadable;l("need readable",n);if(t.length===0||t.length-e0)i=B(e,t);else i=null;if(i===null){t.needReadable=true;e=0}t.length-=e;if(t.length===0&&!t.ended)t.needReadable=true;if(r!==e&&t.ended&&t.length===0)C(this);if(i!==null)this.emit("data",i);return i};function b(e,t){var r=null;if(!s.isBuffer(t)&&typeof t!=="string"&&t!==null&&t!==undefined&&!e.objectMode){r=new TypeError("Invalid non-string/buffer chunk")}return r}function w(e,t){if(t.ended)return;if(t.decoder){var r=t.decoder.end();if(r&&r.length){t.buffer.push(r);t.length+=t.objectMode?1:r.length}}t.ended=true;S(e)}function S(e){var t=e._readableState;t.needReadable=false;if(!t.emittedReadable){l("emitReadable",t.flowing);t.emittedReadable=true;if(t.sync)n(x,e);else x(e)}}function x(e){l("emit readable");e.emit("readable");L(e)}function k(e,t){if(!t.readingMore){t.readingMore=true;n(E,e,t)}}function E(e,t){var r=t.length;while(!t.reading&&!t.flowing&&!t.ended&&t.length=n){if(i)a=r.join("");else if(r.length===1)a=r[0];else a=s.concat(r,n);r.length=0}else{if(e0)throw new Error("endReadable called on non-empty stream");if(!t.endEmitted){t.ended=true;n(R,t,e)}}function R(e,t){if(!e.endEmitted&&e.length===0){e.endEmitted=true;t.readable=false;t.emit("end")}}function P(e,t){for(var r=0,n=e.length;r-1))throw new TypeError("Unknown encoding: "+e);this._writableState.defaultEncoding=e};function p(e,t,r){if(!e.objectMode&&e.decodeStrings!==false&&typeof t==="string"){t=new i(t,r)}return t}function m(e,t,r,n,s){r=p(t,r,n);if(i.isBuffer(r))n="buffer";var o=t.objectMode?1:r.length;t.length+=o;var a=t.length0;e+=1);return e};var o=function(e,t){for(var r=t>>2;r>2]|=128<<24-(t%4<<3);e[((t>>2)+2&~15)+14]=r>>29;e[((t>>2)+2&~15)+15]=r<<3};var f=function(e,t,r,n,i){var s=this,o,a=i%4,f=n%4,u=n-f;if(u>0){switch(a){case 0:e[i+3|0]=s.charCodeAt(r);case 1:e[i+2|0]=s.charCodeAt(r+1);case 2:e[i+1|0]=s.charCodeAt(r+2);case 3:e[i|0]=s.charCodeAt(r+3)}}for(o=a;o>2]=s.charCodeAt(r+o)<<24|s.charCodeAt(r+o+1)<<16|s.charCodeAt(r+o+2)<<8|s.charCodeAt(r+o+3)}switch(f){case 3:e[i+u+1|0]=s.charCodeAt(r+u+2);case 2:e[i+u+2|0]=s.charCodeAt(r+u+1);case 1:e[i+u+3|0]=s.charCodeAt(r+u)}};var u=function(e,t,r,n,i){var s=this,o,a=i%4,f=n%4,u=n-f;if(u>0){switch(a){case 0:e[i+3|0]=s[r];case 1:e[i+2|0]=s[r+1];case 2:e[i+1|0]=s[r+2];case 3:e[i|0]=s[r+3]}}for(o=4-a;o>2]=s[r+o]<<24|s[r+o+1]<<16|s[r+o+2]<<8|s[r+o+3]}switch(f){case 3:e[i+u+1|0]=s[r+u+2];case 2:e[i+u+2|0]=s[r+u+1];case 1:e[i+u+3|0]=s[r+u]}};var h=function(e,t,r,n,s){var o=this,a,f=s%4,u=n%4,h=n-u;var l=new Uint8Array(i.readAsArrayBuffer(o.slice(r,r+n)));if(h>0){switch(f){case 0:e[s+3|0]=l[0];case 1:e[s+2|0]=l[1];case 2:e[s+1|0]=l[2];case 3:e[s|0]=l[3]}}for(a=4-f;a>2]=l[a]<<24|l[a+1]<<16|l[a+2]<<8|l[a+3]}switch(u){case 3:e[s+h+1|0]=l[h+2];case 2:e[s+h+2|0]=l[h+1];case 1:e[s+h+3|0]=l[h]}};var l=function(e){switch(r.getDataType(e)){case"string":return f.bind(e);case"array":return u.bind(e);case"buffer":return u.bind(e);case"arraybuffer":return u.bind(new Uint8Array(e));case"view":return u.bind(new Uint8Array(e.buffer,e.byteOffset,e.byteLength));case"blob":return h.bind(e)}};var c=function(e,t){switch(r.getDataType(e)){case"string":return e.slice(t);case"array":return e.slice(t);case"buffer":return e.slice(t);case"arraybuffer":return e.slice(t);case"view":return e.buffer.slice(t)}};var d=function(e){var t,r,n="0123456789abcdef",i=[],s=new Uint8Array(e);for(t=0;t>4&15)+n.charAt(r>>0&15)}return i.join("")};var p=function(e){var t;if(e<=65536)return 65536;if(e<16777216){for(t=1;t0){throw new Error("Chunk size must be a multiple of 128 bit")}t.maxChunkLen=e;t.padMaxChunkLen=s(e);t.heap=new ArrayBuffer(p(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};m(e||64*1024);var v=function(e,t){var r=new Int32Array(e,t+320,5);r[0]=1732584193;r[1]=-271733879;r[2]=-1732584194;r[3]=271733878;r[4]=-1009589776};var g=function(e,r){var n=s(e);var i=new Int32Array(t.heap,0,n>>2);o(i,e);a(i,e,r);return n};var _=function(e,r,n){l(e)(t.h8,t.h32,r,n,0)};var y=function(e,r,n,i,s){var o=n;if(s){o=g(n,i)}_(e,r,n);t.core.hash(o,t.padMaxChunkLen)};var b=function(e,t){var r=new Int32Array(e,t+320,5);var n=new Int32Array(5);var i=new DataView(n.buffer);i.setInt32(0,r[0],false);i.setInt32(4,r[1],false);i.setInt32(8,r[2],false);i.setInt32(12,r[3],false);i.setInt32(16,r[4],false);return n};var w=this.rawDigest=function(e){var r=e.byteLength||e.length||e.size||0;v(t.heap,t.padMaxChunkLen);var n=0,i=t.maxChunkLen,s;for(n=0;r>n+i;n+=i){y(e,n,i,r,false)}y(e,n,r-n,r,true);return b(t.heap,t.padMaxChunkLen)};this.digest=this.digestFromString=this.digestFromBuffer=this.digestFromArrayBuffer=function(e){return d(w(e).buffer)}}n._core=function o(e,t,r){"use asm";var n=new e.Int32Array(r);function i(e,t){e=e|0;t=t|0;var r=0,i=0,s=0,o=0,a=0,f=0,u=0,h=0,l=0,c=0,d=0,p=0,m=0,v=0;s=n[t+320>>2]|0;a=n[t+324>>2]|0;u=n[t+328>>2]|0;l=n[t+332>>2]|0;d=n[t+336>>2]|0;for(r=0;(r|0)<(e|0);r=r+64|0){o=s;f=a;h=u;c=l;p=d;for(i=0;(i|0)<64;i=i+4|0){v=n[r+i>>2]|0;m=((s<<5|s>>>27)+(a&u|~a&l)|0)+((v+d|0)+1518500249|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[e+i>>2]=v}for(i=e+64|0;(i|0)<(e+80|0);i=i+4|0){v=(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])<<1|(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])>>>31;m=((s<<5|s>>>27)+(a&u|~a&l)|0)+((v+d|0)+1518500249|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[i>>2]=v}for(i=e+80|0;(i|0)<(e+160|0);i=i+4|0){v=(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])<<1|(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])>>>31;m=((s<<5|s>>>27)+(a^u^l)|0)+((v+d|0)+1859775393|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[i>>2]=v}for(i=e+160|0;(i|0)<(e+240|0);i=i+4|0){v=(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])<<1|(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])>>>31;m=((s<<5|s>>>27)+(a&u|a&l|u&l)|0)+((v+d|0)-1894007588|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[i>>2]=v}for(i=e+240|0;(i|0)<(e+320|0);i=i+4|0){v=(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])<<1|(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])>>>31;m=((s<<5|s>>>27)+(a^u^l)|0)+((v+d|0)-899497514|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[i>>2]=v}s=s+o|0;a=a+f|0;u=u+h|0;l=l+c|0;d=d+p|0}n[t+320>>2]=s;n[t+324>>2]=a;n[t+328>>2]=u;n[t+332>>2]=l;n[t+336>>2]=d}return{hash:i}};if(typeof t!=="undefined"){t.exports=n}else if(typeof window!=="undefined"){window.Rusha=n}if(typeof FileReaderSync!=="undefined"){var i=new FileReaderSync,s=new n(4*1024*1024);self.onmessage=function a(e){var t,r=e.data.data;try{t=s.digest(r);self.postMessage({id:e.data.id,hash:t})}catch(n){self.postMessage({id:e.data.id,error:n.name})}}}})()}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],96:[function(e,t,r){(function(r){t.exports=u;var n=e("xtend");var i=e("http");var s=e("https");var o=e("once");var a=e("unzip-response");var f=e("url");function u(e,t){e=typeof e==="string"?{url:e}:n(e);t=o(t);if(e.url)h(e);if(e.headers==null)e.headers={};if(e.maxRedirects==null)e.maxRedirects=10;var r=e.body;e.body=undefined;if(r&&!e.method)e.method="POST";var f=Object.keys(e.headers).some(function(e){return e.toLowerCase()==="accept-encoding"});if(!f)e.headers["accept-encoding"]="gzip, deflate";var l=e.protocol==="https:"?s:i;var c=l.request(e,function(r){if(r.statusCode>=300&&r.statusCode<400&&"location"in r.headers){e.url=r.headers.location;h(e);r.resume();e.maxRedirects-=1;if(e.maxRedirects>0)u(e,t);else t(new Error("too many redirects"));return}t(null,typeof a==="function"?a(r):r)});c.on("error",t);c.end(r);return c}t.exports.concat=function(e,t){return u(e,function(e,n){if(e)return t(e);var i=[];n.on("data",function(e){i.push(e)});n.on("end",function(){t(null,r.concat(i),n)})})};["get","post","put","patch","head","delete"].forEach(function(e){t.exports[e]=function(t,r){if(typeof t==="string")t={url:t};t.method=e.toUpperCase();return u(t,r)}});function h(e){var t=f.parse(e.url);if(t.hostname)e.hostname=t.hostname;if(t.port)e.port=t.port;if(t.protocol)e.protocol=t.protocol;e.path=t.path;delete e.url}}).call(this,e("buffer").Buffer)},{buffer:33,http:102,https:49,once:70,"unzip-response":31,url:113,xtend:119}],97:[function(e,t,r){(function(r){t.exports=l;var n=e("debug")("simple-peer");var i=e("get-browser-rtc");var s=e("hat");var o=e("inherits");var a=e("is-typedarray");var f=e("once");var u=e("stream");var h=e("typedarray-to-buffer");o(l,u.Duplex);function l(e){var t=this;if(!(t instanceof l))return new l(e);t._debug("new peer %o",e);if(!e)e={};e.allowHalfOpen=false;if(e.highWaterMark==null)e.highWaterMark=1024*1024;u.Duplex.call(t,e);t.initiator=e.initiator||false;t.channelConfig=e.channelConfig||l.channelConfig;t.channelName=e.channelName||s(160);if(!e.initiator)t.channelName=null;t.config=e.config||l.config;t.constraints=e.constraints||l.constraints;t.reconnectTimer=e.reconnectTimer||0;t.sdpTransform=e.sdpTransform||function(e){return e};t.stream=e.stream||false;t.trickle=e.trickle!==undefined?e.trickle:true;t.destroyed=false;t.connected=false;t.remoteAddress=undefined;t.remoteFamily=undefined;t.remotePort=undefined;t.localAddress=undefined;t.localPort=undefined;t._wrtc=e.wrtc||i();if(!t._wrtc){if(typeof window==="undefined"){throw new Error("No WebRTC support: Specify `opts.wrtc` option in this environment")}else{throw new Error("No WebRTC support: Not a supported browser")}}t._maxBufferedAmount=e.highWaterMark;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._pendingCandidates=[];t._chunk=null;t._cb=null;t._interval=null;t._reconnectTimeout=null;t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints);t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t);t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t);t._pc.onicecandidate=t._onIceCandidate.bind(t);if(t.stream)t._pc.addStream(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)});t._pc.onnegotiationneeded=f(t._createOffer.bind(t));if(typeof window==="undefined"||!window.webkitRTCPeerConnection){t._pc.onnegotiationneeded()}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){setTimeout(function(){t._destroy(); -},100)}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}})}l.WEBRTC_SUPPORT=!!i();l.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};l.constraints={};l.channelConfig={};Object.defineProperty(l.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});l.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};l.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if(typeof e==="string"){try{e=JSON.parse(e)}catch(r){e={}}}t._debug("signal()");function n(e){try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e),c,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: "+r.message))}}if(e.sdp){t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){if(t.destroyed)return;if(t._pc.remoteDescription.type==="offer")t._createAnswer();t._pendingCandidates.forEach(n);t._pendingCandidates=[]},t._onError.bind(t))}if(e.candidate){if(t._pc.remoteDescription)n(e.candidate);else t._pendingCandidates.push(e.candidate)}if(!e.sdp&&!e.candidate){t._destroy(new Error("signal() called with invalid signal data"))}};l.prototype.send=function(e){var t=this;if(!a.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}if(r.isBuffer(e)&&!a.strict(e)){e=new Uint8Array(e)}var n=e.length||e.byteLength||e.size;t._channel.send(e);t._debug("write: %d bytes",n)};l.prototype.destroy=function(e){var t=this;t._destroy(null,e)};l.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.readable=r.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;r._chunk=null;r._cb=null;clearInterval(r._interval);clearTimeout(r._reconnectTimeout);if(r._pc){try{r._pc.close()}catch(e){}r._pc.oniceconnectionstatechange=null;r._pc.onsignalingstatechange=null;r._pc.onicecandidate=null}if(r._channel){try{r._channel.close()}catch(e){}r._channel.onmessage=null;r._channel.onopen=null;r._channel.onclose=null}r._pc=null;r._channel=null;if(e)r.emit("error",e);r.emit("close")};l.prototype._setupData=function(e){var t=this;t._channel=e.channel;t.channelName=t._channel.label;t._channel.binaryType="arraybuffer";t._channel.onmessage=t._onChannelMessage.bind(t);t._channel.onopen=t._onChannelOpen.bind(t);t._channel.onclose=t._onChannelClose.bind(t)};l.prototype._read=function(){};l.prototype._write=function(e,t,r){var n=this;if(n.destroyed)return r(new Error("cannot write after peer is destroyed"));if(n.connected){try{n.send(e)}catch(i){return n._onError(i)}if(n._channel.bufferedAmount>n._maxBufferedAmount){n._debug("start backpressure: bufferedAmount %d",n._channel.bufferedAmount);n._cb=r}else{r(null)}}else{n._debug("write before connect");n._chunk=e;n._cb=r}};l.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,c,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.offerConstraints)};l.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,c,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.answerConstraints)};l.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,r);e.emit("iceConnectionStateChange",t,r);if(r==="connected"||r==="completed"){clearTimeout(e._reconnectTimeout);e._pcReady=true;e._maybeReady()}if(r==="disconnected"){if(e.reconnectTimer){clearTimeout(e._reconnectTimeout);e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)}else{e._destroy()}}if(r==="closed"){e._destroy()}};l.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(e.connected||e._connecting||!e._pcReady||!e._channelReady)return;e._connecting=true;if(!e._pc.getStats){t([])}else if(typeof window!=="undefined"&&!!window.mozRTCPeerConnection){e._pc.getStats(null,function(e){var r=[];e.forEach(function(e){r.push(e)});t(r)},e._onError.bind(e))}else{e._pc.getStats(function(e){var r=[];e.result().forEach(function(e){var t={};e.names().forEach(function(r){t[r]=e.stat(r)});t.id=e.id;t.type=e.type;t.timestamp=e.timestamp;r.push(t)});t(r)})}function t(t){t.forEach(function(t){if(t.type==="remotecandidate"){e.remoteAddress=t.ipAddress;e.remotePort=Number(t.portNumber);e.remoteFamily="IPv4";e._debug("connect remote: %s:%s (%s)",e.remoteAddress,e.remotePort,e.remoteFamily)}else if(t.type==="localcandidate"&&t.candidateType==="host"){e.localAddress=t.ipAddress;e.localPort=Number(t.portNumber);e._debug("connect local: %s:%s",e.localAddress,e.localPort)}});e._connecting=false;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(r){return e._onError(r)}e._chunk=null;e._debug('sent chunk from "write before connect"');var n=e._cb;e._cb=null;n(null)}e._interval=setInterval(function(){if(!e._cb||!e._channel||e._channel.bufferedAmount>e._maxBufferedAmount)return;e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref();e._debug("connect");e.emit("connect")}};l.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e._debug("signalingStateChange %s",e._pc.signalingState);e.emit("signalingStateChange",e._pc.signalingState)};l.prototype._onIceCandidate=function(e){var t=this;if(t.destroyed)return;if(e.candidate&&t.trickle){t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}})}else if(!e.candidate){t._iceComplete=true;t.emit("_iceComplete")}};l.prototype._onChannelMessage=function(e){var t=this;if(t.destroyed)return;var r=e.data;t._debug("read: %d bytes",r.byteLength||r.length);if(r instanceof ArrayBuffer){r=h(new Uint8Array(r));t.push(r)}else{try{r=JSON.parse(r)}catch(n){}t.emit("data",r)}};l.prototype._onChannelOpen=function(){var e=this;if(e.connected||e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};l.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e._destroy()};l.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};l.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t._destroy(e)};l.prototype._debug=function(){var e=this;var t=[].slice.call(arguments);var r=e.channelName&&e.channelName.substring(0,7);t[0]="["+r+"] "+t[0];n.apply(null,t)};function c(){}}).call(this,{isBuffer:e("../is-buffer/index.js")})},{"../is-buffer/index.js":54,debug:39,"get-browser-rtc":47,hat:48,inherits:52,"is-typedarray":56,once:70,stream:101,"typedarray-to-buffer":111}],98:[function(e,t,r){var n=e("rusha");var i=new n;var s=window.crypto||window.msCrypto||{};var o=s.subtle||s.webkitSubtle;var a=i.digest.bind(i);try{o.digest({name:"sha-1"},new Uint8Array).catch(function(){o=false})}catch(f){o=false}function u(e,t){if(!o){setTimeout(t,0,a(e));return}if(typeof e==="string"){e=h(e)}o.digest({name:"sha-1"},e).then(function r(e){t(l(new Uint8Array(e)))},function n(r){t(a(e))})}function h(e){var t=e.length;var r=new Uint8Array(t);for(var n=0;n>>4).toString(16));r.push((i&15).toString(16))}return r.join("")}t.exports=u;t.exports.sync=a},{rusha:95}],99:[function(e,t,r){(function(r){t.exports=h;var n=e("debug")("simple-websocket");var i=e("inherits");var s=e("is-typedarray");var o=e("stream");var a=e("typedarray-to-buffer");var f=e("ws");var u=typeof window!=="undefined"?window.WebSocket:f;i(h,o.Duplex);function h(e,t){var r=this;if(!(r instanceof h))return new h(e,t);if(!t)t={};n("new websocket: %s %o",e,t);t.allowHalfOpen=false;if(t.highWaterMark==null)t.highWaterMark=1024*1024;o.Duplex.call(r,t);r.url=e;r.connected=false;r.destroyed=false;r._maxBufferedAmount=t.highWaterMark;r._chunk=null;r._cb=null;r._interval=null;r._ws=new u(r.url);r._ws.binaryType="arraybuffer";r._ws.onopen=r._onOpen.bind(r);r._ws.onmessage=r._onMessage.bind(r);r._ws.onclose=r._onClose.bind(r);r._ws.onerror=function(){r._onError(new Error("connection error to "+r.url))};r.on("finish",function(){if(r.connected){setTimeout(function(){r._destroy()},100)}else{r.once("connect",function(){setTimeout(function(){r._destroy()},100)})}})}h.WEBSOCKET_SUPPORT=!!u;h.prototype.send=function(e){var t=this;if(!s.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}var i=e.length||e.byteLength||e.size;t._ws.send(e);n("write: %d bytes",i)};h.prototype.destroy=function(e){var t=this;t._destroy(null,e)};h.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);n("destroy (error: %s)",e&&e.message);this.readable=this.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.connected=false;r.destroyed=true;clearInterval(r._interval);r._interval=null;r._chunk=null;r._cb=null;if(r._ws){var i=r._ws;var s=function(){i.onclose=null;r.emit("close")};if(i.readyState===u.CLOSED){s()}else{try{i.onclose=s;i.close()}catch(e){s()}}i.onopen=null;i.onmessage=null;i.onerror=null}r._ws=null;if(e)r.emit("error",e)};h.prototype._read=function(){};h.prototype._write=function(e,t,r){var i=this;if(i.destroyed)return r(new Error("cannot write after socket is destroyed"));if(i.connected){try{i.send(e)}catch(s){return i._onError(s)}if(typeof f!=="function"&&i._ws.bufferedAmount>i._maxBufferedAmount){n("start backpressure: bufferedAmount %d",i._ws.bufferedAmount);i._cb=r}else{r(null)}}else{n("write before connect");i._chunk=e;i._cb=r}};h.prototype._onMessage=function(e){var t=this;if(t.destroyed)return;var i=e.data;n("read: %d bytes",i.byteLength||i.length);if(i instanceof ArrayBuffer){i=a(new Uint8Array(i));t.push(i)}else if(r.isBuffer(i)){t.push(i)}else{try{i=JSON.parse(i)}catch(s){}t.emit("data",i)}};h.prototype._onOpen=function(){var e=this;if(e.connected||e.destroyed)return;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(t){return e._onError(t)}e._chunk=null;n('sent chunk from "write before connect"');var r=e._cb;e._cb=null;r(null)}if(typeof f!=="function"){e._interval=setInterval(function(){if(!e._cb||!e._ws||e._ws.bufferedAmount>e._maxBufferedAmount){return}n("ending backpressure: bufferedAmount %d",e._ws.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref()}n("connect");e.emit("connect")};h.prototype._onClose=function(){var e=this;if(e.destroyed)return;n("on close");e._destroy()};h.prototype._onError=function(e){var t=this;if(t.destroyed)return;n("error: %s",e.message||e);t._destroy(e)}}).call(this,{isBuffer:e("../is-buffer/index.js")})},{"../is-buffer/index.js":54,debug:39,inherits:52,"is-typedarray":56,stream:101,"typedarray-to-buffer":111,ws:31}],100:[function(e,t,r){var n=1;var i=65535;var s=4;var o=function(){n=n+1&i};var a=setInterval(o,1e3/s|0);if(a.unref)a.unref();t.exports=function(e){var t=s*(e||5);var r=[0];var o=1;var a=n-1&i;return function(e){var f=n-a&i;if(f>t)f=t;a=n;while(f--){if(o===t)o=0;r[o]=r[o===0?t-1:o-1];o++}if(e)r[o-1]+=e;var u=r[o-1];var h=r.lengthe._pos){var o=r.substr(e._pos);if(e._charset==="x-user-defined"){var a=new i(o.length);for(var u=0;ue._pos){e.push(new i(new Uint8Array(h.result.slice(e._pos))));e._pos=h.result.byteLength}};h.onload=function(){e.push(null)};h.readAsArrayBuffer(r);break}if(e._xhr.readyState===f.DONE&&e._mode!=="ms-stream"){e.push(null)}}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./capability":103,_process:76,buffer:33,inherits:52,stream:101}],106:[function(e,t,r){var n=e("buffer").Buffer;var i=n.isEncoding||function(e){switch(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 true;default:return false}};function s(e){if(e&&!i(e)){throw new Error("Unknown encoding: "+e)}}var o=r.StringDecoder=function(e){this.encoding=(e||"utf8").toLowerCase().replace(/[-_]/,"");s(e);switch(this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2;this.detectIncompleteChar=f;break;case"base64":this.surrogateSize=3;this.detectIncompleteChar=u;break;default:this.write=a;return}this.charBuffer=new n(6);this.charReceived=0;this.charLength=0};o.prototype.write=function(e){var t="";while(this.charLength){var r=e.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:e.length;e.copy(this.charBuffer,this.charReceived,0,r);this.charReceived+=r;if(this.charReceived=55296&&n<=56319){this.charLength+=this.surrogateSize;t="";continue}this.charReceived=this.charLength=0;if(e.length===0){return t}break}this.detectIncompleteChar(e);var i=e.length;if(this.charLength){e.copy(this.charBuffer,0,e.length-this.charReceived,i);i-=this.charReceived}t+=e.toString(this.encoding,0,i);var i=t.length-1;var n=t.charCodeAt(i);if(n>=55296&&n<=56319){var s=this.surrogateSize;this.charLength+=s;this.charReceived+=s;this.charBuffer.copy(this.charBuffer,s,0,s);e.copy(this.charBuffer,0,0,s);return t.substring(0,i)}return t};o.prototype.detectIncompleteChar=function(e){var t=e.length>=3?3:e.length;for(;t>0;t--){var r=e[e.length-t];if(t==1&&r>>5==6){this.charLength=2;break}if(t<=2&&r>>4==14){this.charLength=3;break}if(t<=3&&r>>3==30){this.charLength=4;break}}this.charReceived=t};o.prototype.end=function(e){var t="";if(e&&e.length)t=this.write(e);if(this.charReceived){var r=this.charReceived;var n=this.charBuffer;var i=this.encoding;t+=n.slice(0,r).toString(i)}return t};function a(e){return e.toString(this.encoding)}function f(e){this.charReceived=e.length%2;this.charLength=this.charReceived?2:0}function u(e){this.charReceived=e.length%3;this.charLength=this.charReceived?3:0}},{buffer:33}],107:[function(e,t,r){var n=e("./thirty-two");r.encode=n.encode;r.decode=n.decode},{"./thirty-two":108}],108:[function(e,t,r){(function(e){var t="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";var n=[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];function i(e){var t=Math.floor(e.length/5);return e.length%5==0?t:t+1}r.encode=function(r){if(!e.isBuffer(r)){r=new e(r)}var n=0;var s=0;var o=0;var a=0;var f=new e(i(r)*8);while(n3){a=u&255>>o;o=(o+5)%8;a=a<>8-o;n++}else{a=u>>8-(o+5)&31;o=(o+5)%8;if(o==0)n++}f[s]=t.charCodeAt(a);s++}for(n=s;n>>r;a[o]=s;o++;s=255&i<<8-r}}else{throw new Error("Invalid input - it is not base32 encoded string")}}return a.slice(0,o)}}).call(this,e("buffer").Buffer)},{buffer:33}],109:[function(e,t,r){(function(r,n){t.exports=c;var i=e("debug")("torrent-discovery");var s=e("bittorrent-dht/client");var o=e("events").EventEmitter;var a=e("xtend/mutable");var f=e("inherits");var u=e("run-parallel");var h=e("re-emitter");var l=e("bittorrent-tracker/client");f(c,o);function c(e){var t=this;if(!(t instanceof c))return new c(e);o.call(t);a(t,{announce:[],dht:typeof s==="function",rtcConfig:null,peerId:null,port:0,tracker:true,wrtc:null},e);t.infoHash=null;t.infoHashBuffer=null;t.torrent=null;t._externalDHT=typeof t.dht==="object";t._performedDHTLookup=false;if(!t.peerId)throw new Error("peerId required");if(!r.browser&&!t.port)throw new Error("port required");if(t.dht)t._createDHT(t.dhtPort)}c.prototype.setTorrent=function(e){var t=this;if(!t.infoHash&&(typeof e==="string"||n.isBuffer(e))){t.infoHash=typeof e==="string"?e:e.toString("hex")}else if(!t.torrent&&e&&e.infoHash){t.torrent=e;t.infoHash=typeof e.infoHash==="string"?e.infoHash:e.infoHash.toString("hex")}else{return}t.infoHashBuffer=new n(t.infoHash,"hex");i("setTorrent %s",t.infoHash);if(t.tracker&&t.tracker!==true){t.tracker.torrentLength=e.length}else{t._createTracker()}if(t.dht){if(t.dht.ready)t._dhtLookupAndAnnounce();else t.dht.on("ready",t._dhtLookupAndAnnounce.bind(t))}};c.prototype.updatePort=function(e){var t=this;if(e===t.port)return;t.port=e;if(t.dht&&t.infoHash){t._performedDHTLookup=false;t._dhtLookupAndAnnounce()}if(t.tracker&&t.tracker!==true){t.tracker.stop();t.tracker.destroy(function(){t._createTracker()})}};c.prototype.stop=function(e){var t=this;var r=[];if(t.tracker&&t.tracker!==true){t.tracker.stop();r.push(function(e){t.tracker.destroy(e)})}if(!t._externalDHT&&t.dht&&t.dht!==true){r.push(function(e){t.dht.destroy(e)})}u(r,e)};c.prototype._createDHT=function(e){var t=this;if(!t._externalDHT)t.dht=new s;h(t.dht,t,["error","warning"]);t.dht.on("peer",function(e,r){if(r===t.infoHash)t.emit("peer",e)});if(!t._externalDHT)t.dht.listen(e)};c.prototype._createTracker=function(){var e=this;if(!e.tracker)return;var t=e.torrent?a({announce:[]},e.torrent):{infoHash:e.infoHash,announce:[]};if(e.announce)t.announce=t.announce.concat(e.announce);var r={rtcConfig:e.rtcConfig,wrtc:e.wrtc};e.tracker=new l(e.peerId,e.port,t,r);h(e.tracker,e,["peer","warning","error"]);e.tracker.on("update",function(t){e.emit("trackerAnnounce",t)});e.tracker.start()};c.prototype._dhtLookupAndAnnounce=function(){var e=this;if(e._performedDHTLookup)return;e._performedDHTLookup=true;i("dht lookup");e.dht.lookup(e.infoHash,function(t){if(t||!e.port)return;i("dht announce");e.dht.announce(e.infoHash,e.port,function(){i("dht announce complete");e.emit("dhtAnnounce")})})}}).call(this,e("_process"),e("buffer").Buffer)},{_process:76,"bittorrent-dht/client":31,"bittorrent-tracker/client":20,buffer:33,debug:39,events:44,inherits:52,"re-emitter":83,"run-parallel":94,"xtend/mutable":120}],110:[function(e,t,r){(function(e){t.exports=n;var r=1<<14;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=false}n.BLOCK_LENGTH=r;n.prototype.chunkLength=function(e){return e===this._chunks-1?this._remainder:r};n.prototype.chunkOffset=function(e){return e*r};n.prototype.reserve=function(){if(!this.init())return-1;if(this._cancellations.length)return this._cancellations.pop();if(this._reservations",'"',"`"," ","\r","\n"," "],h=["{","}","|","\\","^","`"].concat(u),l=["'"].concat(h),c=["%","/","?",";","#"].concat(l),d=["/","?","#"],p=255,m=/^[+a-z0-9A-Z_-]{0,63}$/,v=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,g={javascript:true,"javascript:":true},_={javascript:true,"javascript:":true},y={http:true,https:true,ftp:true,gopher:true,file:true,"http:":true,"https:":true,"ftp:":true,"gopher:":true,"file:":true},b=e("querystring");function w(e,t,r){if(e&&i.isObject(e)&&e instanceof s)return e;var n=new s;n.parse(e,t,r);return n}s.prototype.parse=function(e,t,r){if(!i.isString(e)){throw new TypeError("Parameter 'url' must be a string, not "+typeof e)}var s=e.indexOf("?"),a=s!==-1&&s127){F+="x"}else{F+=P[O]}}if(!F.match(m)){var D=C.slice(0,U);var N=C.slice(U+1);var z=P.match(v);if(z){D.push(z[1]);N.unshift(z[2])}if(N.length){w="/"+N.join(".")+w}this.hostname=D.join(".");break}}}}if(this.hostname.length>p){this.hostname=""}else{this.hostname=this.hostname.toLowerCase()}if(!B){this.hostname=n.toASCII(this.hostname)}var j=this.port?":"+this.port:"";var H=this.hostname||"";this.host=H+j;this.href+=this.host;if(B){this.hostname=this.hostname.substr(1,this.hostname.length-2);if(w[0]!=="/"){w="/"+w}}}if(!g[k]){for(var U=0,R=l.length;U0?r.host.split("@"):false;if(E){r.auth=E.shift();r.host=r.hostname=E.shift()}}r.search=e.search;r.query=e.query;if(!i.isNull(r.pathname)||!i.isNull(r.search)){r.path=(r.pathname?r.pathname:"")+(r.search?r.search:"")}r.href=r.format();return r}if(!x.length){r.pathname=null;if(r.search){r.path="/"+r.search}else{r.path=null}r.href=r.format();return r}var A=x.slice(-1)[0];var U=(r.host||e.host||x.length>1)&&(A==="."||A==="..")||A==="";var T=0;for(var I=x.length;I>=0;I--){A=x[I];if(A==="."){x.splice(I,1)}else if(A===".."){x.splice(I,1);T++}else if(T){x.splice(I,1);T--}}if(!w&&!S){for(;T--;T){x.unshift("..")}}if(w&&x[0]!==""&&(!x[0]||x[0].charAt(0)!=="/")){x.unshift("")}if(U&&x.join("/").substr(-1)!=="/"){x.push("")}var L=x[0]===""||x[0]&&x[0].charAt(0)==="/";if(k){r.hostname=r.host=L?"":x.length?x.shift():"";var E=r.host&&r.host.indexOf("@")>0?r.host.split("@"):false;if(E){r.auth=E.shift();r.host=r.hostname=E.shift()}}w=w||r.host&&x.length;if(w&&!L){x.unshift("")}if(!x.length){r.pathname=null;r.path=null}else{r.pathname=x.join("/")}if(!i.isNull(r.pathname)||!i.isNull(r.search)){r.path=(r.pathname?r.pathname:"")+(r.search?r.search:"")}r.auth=e.auth||r.auth;r.slashes=r.slashes||e.slashes;r.href=r.format();return r};s.prototype.parseHost=function(){var e=this.host;var t=a.exec(e);if(t){t=t[0];if(t!==":"){this.port=t.substr(1)}e=e.substr(0,e.length-t.length)}if(e)this.hostname=e}},{"./util":114,punycode:78,querystring:81}],114:[function(e,t,r){"use strict";t.exports={isString:function(e){return typeof e==="string"},isObject:function(e){return typeof e==="object"&&e!==null},isNull:function(e){return e===null},isNullOrUndefined:function(e){return e==null}}},{}],115:[function(e,t,r){(function(r){var n=e("bencode");var i=e("bitfield");var s=e("events").EventEmitter;var o=e("inherits");var a=e("simple-sha1");var f=1e7;var u=1e3;var h=16*1024;t.exports=function(e){o(t,s);function t(t){s.call(this);this._wire=t;this._metadataComplete=false;this._metadataSize=null;this._remainingRejects=null;this._fetching=false;this._bitfield=new i(0,{grow:u});if(r.isBuffer(e)){this.setMetadata(e)}}t.prototype.name="ut_metadata";t.prototype.onHandshake=function(e,t,r){this._infoHash=e};t.prototype.onExtendedHandshake=function(e){if(!e.m||!e.m.ut_metadata){return this.emit("warning",new Error("Peer does not support ut_metadata"))}if(!e.metadata_size){return this.emit("warning",new Error("Peer does not have metadata"))}if(e.metadata_size>f){return this.emit("warning",new Error("Peer gave maliciously large metadata size"))}this._metadataSize=e.metadata_size;this._numPieces=Math.ceil(this._metadataSize/h);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var i=e.toString();var s=i.indexOf("ee")+2;t=n.decode(i.substring(0,s));r=e.slice(s)}catch(o){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,r,t.total_size);break;case 2:this._onReject(t.piece);break}};t.prototype.fetch=function(){if(this._metadataComplete){return}this._fetching=true;if(this._metadataSize){this._requestPieces()}};t.prototype.cancel=function(){this._fetching=false};t.prototype.setMetadata=function(e){if(this._metadataComplete)return true;try{var t=n.decode(e).info;if(t){e=n.encode(t)}}catch(r){}if(this._infoHash&&this._infoHash!==a.sync(e)){return false}this.cancel();this.metadata=e;this._metadataComplete=true;this._metadataSize=this.metadata.length;this._wire.extendedHandshake.metadata_size=this._metadataSize;this.emit("metadata",n.encode({info:n.decode(this.metadata)}));return true};t.prototype._send=function(e,t){var i=n.encode(e);if(r.isBuffer(t)){i=r.concat([i,t])}this._wire.extended("ut_metadata",i)};t.prototype._request=function(e){this._send({msg_type:0,piece:e})};t.prototype._data=function(e,t,r){var n={msg_type:1,piece:e};if(typeof r==="number"){n.total_size=r}this._send(n,t)};t.prototype._reject=function(e){this._send({msg_type:2,piece:e})};t.prototype._onRequest=function(e){if(!this._metadataComplete){this._reject(e);return}var t=e*h;var r=t+h;if(r>this._metadataSize){r=this._metadataSize}var n=this.metadata.slice(t,r);this._data(e,n,this._metadataSize)};t.prototype._onData=function(e,t,r){if(t.length>h){return}t.copy(this.metadata,e*h);this._bitfield.set(e);this._checkDone()};t.prototype._onReject=function(e){if(this._remainingRejects>0&&this._fetching){this._request(e);this._remainingRejects-=1}else{this.emit("warning",new Error('Peer sent "reject" too much'))}};t.prototype._requestPieces=function(){this.metadata=new r(this._metadataSize);for(var e=0;e0){this._requestPieces()}else{this.emit("warning",new Error("Peer sent invalid metadata"))}};return t}}).call(this,e("buffer").Buffer)},{bencode:11,bitfield:15,buffer:33,events:44,inherits:52,"simple-sha1":98}],116:[function(e,t,r){(function(e){t.exports=r;function r(e,t){if(n("noDeprecation")){return e}var r=false;function i(){if(!r){if(n("throwDeprecation")){throw new Error(t)}else if(n("traceDeprecation")){console.trace(t)}else{console.warn(t)}r=true}return e.apply(this,arguments)}return i}function n(t){try{if(!e.localStorage)return false}catch(r){return false}var n=e.localStorage[t];if(null==n)return false;return String(n).toLowerCase()==="true"}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],117:[function(e,t,r){var n=e("debug")("videostream");var i=e("mp4box");var s=.01;var o=60;t.exports=function(e,t,r){r=r||{};var f=r.debugTrack||-1;var u=[];function h(){t.addEventListener("waiting",S);t.addEventListener("timeupdate",E)}h();var l=false;function c(e){l=true;t.removeEventListener("waiting",S);t.removeEventListener("timeupdate",E);if(p.readyState==="open")p.endOfStream(e)}function d(e){var r=e.buffer.buffered;var i=t.currentTime;var a=-1;for(var f=0;fi){break}else if(a>=0||i<=h){a=h}}var l=a-i;if(l<0)l=0;n("Buffer length: %f",l);return l<=o}var p=new MediaSource;p.addEventListener("sourceopen",function(){w(0)});t.src=window.URL.createObjectURL(p);var m=new i;m.onError=function(e){n("MP4Box error: %s",e.message);if(b){b()}if(p.readyState==="open"){c("decode")}};var v=false;var g={};m.onReady=function(e){n("MP4 info: %o",e);e.tracks.forEach(function(e){var t;if(e.video){t="video/mp4"}else if(e.audio){t="audio/mp4"}else{return}t+='; codecs="'+e.codec+'"';if(MediaSource.isTypeSupported(t)){var r=p.addSourceBuffer(t);var n={buffer:r,arrayBuffers:[],meta:e,ended:false};r.addEventListener("updateend",A.bind(null,n));m.setSegmentOptions(e.id,null,{nbSamples:e.video?1:100});g[e.id]=n}});if(Object.keys(g).length===0){c("decode");return}var t=m.initializeSegmentation();t.forEach(function(e){k(g[e.id],e.buffer);if(e.id===f){a("init-track-"+f+".mp4",[e.buffer]);u.push(e.buffer)}});v=true};m.onSegment=function(e,t,r,n){var i=g[e];k(i,r,n===i.meta.nb_samples);if(e===f&&u){u.push(r);if(n>1e3){a("track-"+f+".mp4",u);u=null}}};var _;var y=null;var b=null;function w(t){if(t===e.length){m.flush();return}if(y&&t===_){var r=y;setTimeout(function(){if(y===r)y.resume()});return}if(y){y.destroy();b()}_=t;var i={start:_,end:e.length-1};y=e.createReadStream(i);function s(e){y.pause();var t=e.toArrayBuffer();t.fileStart=_;_+=t.byteLength;var r;try{r=m.appendBuffer(t)}catch(i){n("MP4Box threw exception: %s",i.message);if(p.readyState==="open"){c("decode")}y.destroy();b();return}w(r)}y.on("data",s);function o(){b();w(_)}y.on("end",o);function a(e){n("Stream error: %s",e.message);if(p.readyState==="open"){c("network")}}y.on("error",a);b=function(){y.removeListener("data",s);y.removeListener("end",o);y.removeListener("error",a);y=null;b=null}}function S(){if(v){x(t.currentTime)}}function x(e){if(l)h();var t=m.seek(e,true);n("Seeking to time: %d",e);n("Seeked file offset: %d",t.offset);w(t.offset)}function k(e,t,r){e.arrayBuffers.push({buffer:t,ended:r||false});A(e)}function E(){Object.keys(g).forEach(function(e){var t=g[e];if(t.blocked){A(t)}})}function A(e){if(e.buffer.updating)return;e.blocked=!d(e);if(e.blocked)return;if(e.arrayBuffers.length===0)return;var t=e.arrayBuffers.shift();var r=false;try{e.buffer.appendBuffer(t.buffer);e.ended=t.ended;r=true}catch(i){n("SourceBuffer error: %s",i.message);c("decode");return}if(r){U()}}function U(){if(p.readyState!=="open"){return}var e=Object.keys(g).every(function(e){var t=g[e];return t.ended&&!t.buffer.updating});if(e){c()}}};function a(e,t){var r=new Blob(t);var n=URL.createObjectURL(r);var i=document.createElement("a");i.setAttribute("href",n);i.setAttribute("download",e);i.click()}},{debug:39,mp4box:67}],118:[function(e,t,r){t.exports=n;function n(e,t){if(e&&t)return n(e)(t);if(typeof e!=="function")throw new TypeError("need wrapper function");Object.keys(e).forEach(function(t){r[t]=e[t]});return r;function r(){var t=new Array(arguments.length);for(var r=0;r0)return new Array(e+(/\./.test(t)?2:1)).join(r)+t;return t+""}},{}],122:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.63.2",author:{name:"Feross Aboukhadijeh",email:"feross@feross.org",url:"http://feross.org/"},bin:{webtorrent:"./bin/cmd.js"},browser:{"./lib/server.js":false,"bittorrent-dht/client":false,"fs-chunk-store":"memory-chunk-store","load-ip-set":false,os:false,"path-exists":false,ut_pex:false},bugs:{url:"https://github.com/feross/webtorrent/issues"},dependencies:{"addr-to-ip-port":"^1.0.1",bitfield:"^1.0.2","bittorrent-dht":"^5.0.0","bittorrent-swarm":"^6.0.0","chunk-store-stream":"^2.0.0",clivas:"^0.2.0","create-torrent":"^3.4.0","cross-spawn-async":"^2.0.0",debug:"^2.1.0","end-of-stream":"^1.0.0",executable:"^2.1.0","fs-chunk-store":"^1.3.4",hat:"0.0.3","immediate-chunk-store":"^1.0.7",inherits:"^2.0.1",inquirer:"^0.11.0","load-ip-set":"^1.0.3",mediasource:"^1.0.0","memory-chunk-store":"^1.2.0",mime:"^1.2.11",minimist:"^1.1.0",moment:"^2.8.3",multistream:"^2.0.2","network-address":"^1.0.0","parse-torrent":"^5.1.0","path-exists":"^2.1.0","pretty-bytes":"^2.0.1",pump:"^1.0.0","random-iterate":"^1.0.1","range-parser":"^1.0.2","re-emitter":"^1.0.0","run-parallel":"^1.0.0","simple-sha1":"^2.0.0",speedometer:"^1.0.0",thunky:"^0.1.0","torrent-discovery":"^4.0.0","torrent-piece":"^1.0.0",uniq:"^1.0.1",ut_metadata:"^3.0.1",ut_pex:"^1.0.1",videostream:"^1.1.4","windows-no-runnable":"0.0.6",xtend:"^4.0.0","zero-fill":"^2.2.0"},devDependencies:{"bittorrent-tracker":"^6.0.0",brfs:"^1.2.0",browserify:"^12.0.1",finalhandler:"^0.4.0","run-auto":"^1.0.0","serve-static":"^1.9.3","simple-get":"^1.0.0",standard:"^5.1.0",tape:"^4.0.0","uglify-js":"^2.4.15",zelda:"^2.0.0",zuul:"^3.0.0"},homepage:"http://webtorrent.io",keywords:["torrent","bittorrent","bittorrent client","streaming","download","webrtc","webrtc data","webtorrent","mad science"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3",chromecasts:"^1.5.3",nodebmc:"0.0.5"},repository:{type:"git",url:"git://github.com/feross/webtorrent.git"},scripts:{build:"browserify -s WebTorrent -e ./ | uglifyjs -m > webtorrent.min.js","build-debug":"browserify -s WebTorrent -e ./ > webtorrent.debug.js",size:"npm run build && cat webtorrent.min.js | gzip | wc -c",test:"standard && node ./bin/test.js","test-browser":"zuul -- test/basic.js","test-browser-local":"zuul --local -- test/basic.js","test-node":"tape test/*.js"}}},{}],123:[function(e,t,r){(function(r,n,i){t.exports=S;var s=e("create-torrent");var o=e("debug")("webtorrent");var a=e("bittorrent-dht/client");var f=e("events").EventEmitter;var u=e("xtend");var h=e("hat");var l=e("inherits");var c=e("load-ip-set");var d=e("run-parallel");var p=e("parse-torrent");var m=e("speedometer");var v=e("zero-fill");var g=e("path");var _=e("./lib/torrent");l(S,f);var y=e("./package.json").version;var b=y.match(/([0-9]+)/g).slice(0,2).map(v(2)).join("");var w="-WW"+b+"-";function S(e){var t=this;if(!(t instanceof S))return new S(e);f.call(t);if(!e)e={};if(!o.enabled)t.setMaxListeners(0);t.destroyed=false;t.torrentPort=e.torrentPort||0;t.tracker=e.tracker!==undefined?e.tracker:true;t._rtcConfig=e.rtcConfig;t._wrtc=e.wrtc||n.WRTC;t.torrents=[];t.downloadSpeed=m();t.uploadSpeed=m();t.peerId=typeof e.peerId==="string"?e.peerId:(e.peerId||new i(w+h(48))).toString("hex");t.peerIdBuffer=new i(t.peerId,"hex");t.nodeId=typeof e.nodeId==="string"?e.nodeId:e.nodeId&&e.nodeId.toString("hex")||h(160);t.nodeIdBuffer=new i(t.nodeId,"hex");if(e.dht!==false&&typeof a==="function"){t.dht=new a(u({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}o("new webtorrent (peerId %s, nodeId %s)",t.peerId,t.nodeId);if(typeof c==="function"){c(e.blocklist,{headers:{"user-agent":"WebTorrent/"+y+" (http://webtorrent.io)"}},function(e,r){if(e)return t.error("Failed to load blocklist: "+e.message);t.blocked=r;s()})}else r.nextTick(s);function s(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(S.prototype,"ratio",{get:function(){var e=this;var t=e.torrents.reduce(function(e,t){return e+t.uploaded},0);var r=e.torrents.reduce(function(e,t){return e+t.downloaded},0)||1;return t/r}});S.prototype.get=function(e){var t=this;if(e instanceof _)return e;var r;try{r=p(e)}catch(n){}if(!r)return null;if(!r.infoHash)throw new Error("Invalid torrent identifier");for(var i=0,s=t.torrents.length;i=0)_();else if(l.indexOf(g)>=0)w();else if(c.indexOf(g)>=0)S();else if(d.indexOf(g)>=0)x();else v(r,new Error('Unsupported file type "'+g+'": Cannot append to DOM'));function _(){if(!p){return v(r,new Error("Video/audio streaming is not supported in your browser. You can still share "+"or download "+e.name+" (once it's fully downloaded). Use Chrome for "+"MediaSource support."))}var s=f.indexOf(g)>=0?"video":"audio";if(a.indexOf(g)>=0)h();else l();function h(){n("Use `videostream` package for "+e.name);_();u.addEventListener("error",d);u.addEventListener("playing",b);o(e,u)}function l(){n("Use MediaSource API for "+e.name);_();u.addEventListener("error",m);u.addEventListener("playing",b);e.createReadStream().pipe(new i(u,{extname:g}));if(y)u.currentTime=y}function c(){n("Use Blob URL for "+e.name);_();u.addEventListener("error",k);u.addEventListener("playing",b);e.getBlobURL(function(e,t){if(e)return k(e);u.src=t;if(y)u.currentTime=y})}function d(e){n("videostream error: fallback to MediaSource API: %o",e.message||e);u.removeEventListener("error",d);u.removeEventListener("playing",b);l()}function m(e){n("MediaSource API error: fallback to Blob URL: %o",e.message||e);u.removeEventListener("error",m);u.removeEventListener("playing",b);c()}function _(e){if(!u){u=document.createElement(s);u.controls=true;u.autoplay=true;u.play();u.addEventListener("progress",function(){y=u.currentTime});t.appendChild(u)}}}function b(){u.removeEventListener("playing",b);r(null,u)}function w(){u=document.createElement("audio");u.controls=true;u.autoplay=true;t.appendChild(u);e.getBlobURL(function(e,t){if(e)return k(e);u.addEventListener("error",k);u.addEventListener("playing",b);u.src=t;u.play()})}function S(){e.getBlobURL(function(n,i){if(n)return k(n);u=document.createElement("img");u.src=i;u.alt=e.name;t.appendChild(u);r(null,u)})}function x(){e.getBlobURL(function(e,n){if(e)return k(e);u=document.createElement("iframe");u.src=n;if(g!==".pdf")u.sandbox="allow-forms allow-scripts";t.appendChild(u);r(null,u)})}function k(t){if(u)u.remove();t.message='Error appending file "'+e.name+'" to DOM: '+t.message;n(t.message);if(r)r(t)}};function m(){}function v(e,t,n){r.nextTick(function(){if(e)e(t,n)})}}).call(this,e("_process"))},{_process:77,debug:39,mediasource:60,path:74,videostream:118}],2:[function(e,t,r){t.exports=o;var n=e("debug")("webtorrent:file-stream");var i=e("inherits");var s=e("stream");i(o,s.Readable);function o(e,t){s.Readable.call(this,t);this.destroyed=false;this._torrent=e._torrent;var r=t&&t.start||0;var n=t&&t.end||e.length-1;var i=e._torrent.pieceLength;this._startPiece=(r+e.offset)/i|0;this._endPiece=(n+e.offset)/i|0;this._piece=this._startPiece;this._offset=r+e.offset-this._startPiece*i;this._missing=n-r+1;this._reading=false;this._notifying=false;this._criticalLength=Math.min(1024*1024/i|0,2)}o.prototype._read=function(){if(this._reading)return;this._reading=true;this._notify()};o.prototype._notify=function(){var e=this;if(!e._reading||e._missing===0)return;if(!e._torrent.bitfield.get(e._piece)){return e._torrent.critical(e._piece,e._piece+e._criticalLength)}if(e._notifying)return;e._notifying=true;var t=e._piece;e._torrent.store.get(t,function(r,i){e._notifying=false;if(e.destroyed)return;if(r)return e.destroy(r);n("read %s (length %s) (err %s)",t,i.length,r&&r.message);if(e._offset){i=i.slice(e._offset);e._offset=0}if(e._missing0){return r[Math.random()*r.length|0]}else{return-1}}},{}],6:[function(e,t,r){(function(r,n){t.exports=H;var i=e("addr-to-ip-port");var s=e("bitfield");var o=e("chunk-store-stream/write");var a=e("create-torrent");var f=e("debug")("webtorrent:torrent");var u=e("torrent-discovery");var h=e("events").EventEmitter;var l=e("xtend/mutable");var c=e("fs-chunk-store");var d=e("immediate-chunk-store");var p=e("inherits");var m=e("multistream");var v=e("os");var g=e("run-parallel");var y=e("parse-torrent");var _=e("path");var b=e("path-exists");var w=e("torrent-piece");var S=e("pump");var x=e("random-iterate");var k=e("re-emitter");var E=e("simple-sha1");var A=e("bittorrent-swarm");var U=e("uniq");var T=e("ut_metadata");var I=e("ut_pex");var B=e("./file");var L=e("./rarity-map");var C=e("./server");var R=128*1024;var P=3e4;var F=5e3;var O=3*w.BLOCK_LENGTH;var M=.5;var D=1;var N=1e4;var z=2;var j=typeof b.sync==="function"?_.join(b.sync("/tmp")?"/tmp":v.tmpDir(),"webtorrent"):"/tmp/webtorrent";p(H,h);function H(e,t){h.call(this);if(!f.enabled)this.setMaxListeners(0);f("new torrent");this.client=t.client;this.announce=t.announce;this.urlList=t.urlList;this.path=t.path;this._store=t.store||c;this.strategy=t.strategy||"sequential";this._rechokeNumSlots=t.uploads===false||t.uploads===0?0:+t.uploads||10;this._rechokeOptimisticWire=null;this._rechokeOptimisticTime=0;this._rechokeIntervalId=null;this.ready=false;this.destroyed=false;this.metadata=null;this.store=null;this.numBlockedPeers=0;this.files=null;this.done=false;this._amInterested=false;this._selections=[];this._critical=[];this._servers=[];if(e)this._onTorrentId(e)}Object.defineProperty(H.prototype,"timeRemaining",{get:function(){if(this.done)return 0;if(this.swarm.downloadSpeed()===0)return Infinity;else return(this.length-this.downloaded)/this.swarm.downloadSpeed()*1e3}});Object.defineProperty(H.prototype,"downloaded",{get:function(){var e=0;for(var t=0,r=this.pieces.length;tt||e<0||t>=i.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;f("select %s-%s (priority %s)",e,t,r);i._selections.push({from:e,to:t,offset:0,priority:r,notify:n||W});i._selections.sort(function(e,t){return t.priority-e.priority});i._updateSelections()};H.prototype.deselect=function(e,t,r){var n=this;r=Number(r)||0;f("deselect %s-%s (priority %s)",e,t,r);for(var i=0;i2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(n,F);if(r.unref)r.unref()}}var i=0;function s(){if(e.peerPieces.length!==t.pieces.length)return;for(;iR){return e.destroy()}if(t.pieces[r])return;t.store.get(r,{offset:n,length:i},s)});e.bitfield(t.bitfield);e.interested();r=setTimeout(n,F);if(r.unref)r.unref();e.isSeeder=false;s()};H.prototype._updateSelections=function(){var e=this;if(!e.swarm||e.destroyed)return;if(!e.metadata)return e.once("metadata",e._updateSelections.bind(e));r.nextTick(e._gcSelections.bind(e));e._updateInterest();e._update()};H.prototype._gcSelections=function(){var e=this;for(var t=0;t=r)return;var n=q(e,D);f(false)||f(true);function i(t,r,n,i){return function(s){return s>=t&&s<=r&&!(s in n)&&e.peerPieces.get(s)&&(!i||i(s))}}function s(){if(e.requests.length)return;var r=t._selections.length;while(r--){var n=t._selections[r];var s;if(t.strategy==="rarest"){var o=n.from+n.offset;var a=n.to;var f=a-o+1;var u={};var h=0;var l=i(o,a,u);while(h=n.from+n.offset;--s){if(!e.peerPieces.get(s))continue;if(t._request(e,s,false))return}}}}function o(){var r=e.downloadSpeed()||1;if(r>O)return function(){return true};var n=Math.max(1,e.requests.length)*w.BLOCK_LENGTH/r;var i=10;var s=0;return function(e){if(!i||t.bitfield.get(e))return true;var o=t.pieces[e].missing;for(;s0)continue;i--;return false}return true}}function a(e){var r=e;for(var n=e;n=n)return true;var s=o();for(var f=0;f0)e._rechokeOptimisticTime-=1;else e._rechokeOptimisticWire=null;var t=[];e.swarm.wires.forEach(function(r){if(!r.isSeeder&&r!==e._rechokeOptimisticWire){t.push({wire:r,downloadSpeed:r.downloadSpeed(),uploadSpeed:r.uploadSpeed(),salt:Math.random(),isChoked:true})}});t.sort(o);var r=0;var n=0;for(;n=O)continue;if(2*u>n||u>s)continue;o=f;s=u}if(!o)return false;for(a=0;a=o)return false;var a=i.pieces[t];var u=a.reserve();if(u===-1&&n&&i._hotswap(e,t)){u=a.reserve()}if(u===-1)return false;var h=i._reservations[t];if(!h)h=i._reservations[t]=[];var l=h.indexOf(null);if(l===-1)l=h.length;h[l]=e;var c=a.chunkOffset(u);var d=a.chunkLength(u);e.request(t,c,d,function m(r,n){if(!i.ready)return i.once("ready",function(){m(r,n)});if(h[l]===e)h[l]=null;if(a!==i.pieces[t])return p();if(r){f("error getting piece %s (offset: %s length: %s) from %s: %s",t,c,d,e.remoteAddress+":"+e.remotePort,r.message);a.cancel(u);p();return}f("got piece %s (offset: %s length: %s) from %s",t,c,d,e.remoteAddress+":"+e.remotePort);if(!a.set(u,n,e))return p();var s=a.flush();E(s,function(e){if(e===i._hashes[t]){if(!i.pieces[t])return;f("piece verified %s",t);i.pieces[t]=null;i._reservations[t]=null;i.bitfield.set(t,true);i.store.put(t,s);i.swarm.wires.forEach(function(e){e.have(t)});i._checkDone()}else{i.pieces[t]=new w(a.length);i.emit("warning",new Error("Piece "+t+" failed verification"))}p()})});function p(){r.nextTick(function(){i._update()})}return true};H.prototype._checkDone=function(){var e=this;if(e.destroyed)return;e.files.forEach(function(t){if(t.done)return;for(var r=t._startPiece;r<=t._endPiece;++r){if(!e.bitfield.get(r))return}t.done=true;t.emit("done");f("file done: "+t.name)});if(e.files.every(function(e){return e.done})){e.done=true;e.emit("done");f("torrent done: "+e.infoHash);if(e.discovery.tracker)e.discovery.tracker.complete()}e._gcSelections()};H.prototype.load=function(e,t){var r=this;if(!Array.isArray(e))e=[e];if(!t)t=W;var n=new m(e);var i=new o(r.store,r.pieceLength);S(n,i,function(e){if(e)return t(e);r.pieces.forEach(function(e,t){r.pieces[t]=null;r._reservations[t]=null;r.bitfield.set(t,true)});r._checkDone();t(null)})};H.prototype.createServer=function(e){var t=this;if(typeof C!=="function")return;var r=new C(t,e);t._servers.push(r);return r};H.prototype._onError=function(e){var t=this;f("torrent error: %s",e.message||e);t.emit("error",e);t.destroy()};function q(e,t){return Math.ceil(2+t*e.downloadSpeed()/w.BLOCK_LENGTH)}function G(e){return Math.random()*e|0}function W(){}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./file":3,"./rarity-map":5,"./server":31,_process:77,"addr-to-ip-port":7,bitfield:15,"bittorrent-swarm":17,"chunk-store-stream/write":35,"create-torrent":38,debug:39,events:44,"fs-chunk-store":61,"immediate-chunk-store":51,inherits:52,multistream:69,os:31,"parse-torrent":72,path:74,"path-exists":31,pump:78,"random-iterate":83,"re-emitter":84,"run-parallel":95,"simple-sha1":99,"torrent-discovery":110,"torrent-piece":111,uniq:113,ut_metadata:116,ut_pex:31,"xtend/mutable":121}],7:[function(e,t,r){var n=/^\[?([^\]]+)\]?:(\d+)$/;var i={};var s=0;t.exports=function o(e){if(s===1e5)t.exports.reset();if(!i[e]){var r=n.exec(e);if(!r)throw new Error("invalid addr: "+e);i[e]=[r[1],Number(r[2])];s+=1}return i[e]};t.exports.reset=function a(){i={};s=0}},{}],8:[function(e,t,r){"use strict";var n=e("./raw");var i=[];var s=[];var o=n.makeRequestCallFromTimer(a);function a(){if(s.length){throw s.shift()}}t.exports=f;function f(e){var t;if(i.length){t=i.pop()}else{t=new u}t.task=e;n(t)}function u(){this.task=null}u.prototype.call=function(){try{this.task.call()}catch(e){if(f.onerror){f.onerror(e)}else{s.push(e);o()}}finally{this.task=null;i[i.length]=this}}},{"./raw":9}],9:[function(e,t,r){(function(e){"use strict";t.exports=r;function r(e){if(!n.length){s();i=true}n[n.length]=e}var n=[];var i=false;var s;var o=0;var a=1024;function f(){while(oa){for(var t=0,r=n.length-o;t0){throw new Error("Invalid string. Length must be a multiple of 4")}var f=e.length;o="="===e.charAt(f-2)?2:"="===e.charAt(f-1)?1:0;a=new t(e.length*3/4-o);i=o>0?e.length-4:e.length;var u=0;function l(e){a[u++]=e}for(r=0,n=0;r>16);l((s&65280)>>8);l(s&255)}if(o===2){s=h(e.charAt(r))<<2|h(e.charAt(r+1))>>4;l(s&255)}else if(o===1){s=h(e.charAt(r))<<10|h(e.charAt(r+1))<<4|h(e.charAt(r+2))>>2;l(s>>8&255);l(s&255)}return a}function c(e){var t,r=e.length%3,i="",s,o;function a(e){return n.charAt(e)}function f(e){return a(e>>18&63)+a(e>>12&63)+a(e>>6&63)+a(e&63)}for(t=0,o=e.length-r;t>2);i+=a(s<<4&63);i+="==";break;case 2:s=(e[e.length-2]<<8)+e[e.length-1];i+=a(s>>10);i+=a(s>>4&63);i+=a(s<<2&63);i+="=";break}return i}e.toByteArray=l;e.fromByteArray=c})(typeof r==="undefined"?this.base64js={}:r)},{}],11:[function(e,t,r){t.exports={encode:e("./lib/encode"),decode:e("./lib/decode")}},{"./lib/decode":12,"./lib/encode":14}],12:[function(e,t,r){(function(r){var n=e("./dict");function i(e,t){i.position=0;i.encoding=t||null;i.data=!r.isBuffer(e)?new r(e):e;return i.next()}i.position=0;i.data=null;i.encoding=null;i.next=function(){switch(i.data[i.position]){case 100:return i.dictionary();break;case 108:return i.list();break;case 105:return i.integer();break;default:return i.bytes();break}};i.find=function(e){var t=i.position;var r=i.data.length;var n=i.data;while(t>3;if(e%8!==0)t++;return t}n.prototype.get=function(e){var t=e>>3;return t>e%8)};n.prototype.set=function(e,t){var r=e>>3;if(t||arguments.length===1){if(this.buffer.length>e%8}else if(r>e%8)}};n.prototype._grow=function(e){if(this.buffer.length=this._parserSize){var i=this._buffer.length===1?this._buffer[0]:r.concat(this._buffer);this._bufferSize-=this._parserSize;this._buffer=this._bufferSize?[i.slice(this._parserSize)]:[];this._parser(i.slice(0,this._parserSize))}n(null)};w.prototype._read=function(){};w.prototype._callback=function(e,t,r){if(!e)return;this._clearTimeout();if(!this.peerChoking&&!this._finished)this._updateTimeout();e.callback(t,r)};w.prototype._clearTimeout=function(){if(!this._timeout)return;clearTimeout(this._timeout);this._timeout=null};w.prototype._updateTimeout=function(){if(!this._timeoutMs||!this.requests.length||this._timeout)return;this._timeout=setTimeout(this._onTimeout.bind(this),this._timeoutMs);if(this._timeoutUnref&&this._timeout.unref)this._timeout.unref()};w.prototype._parse=function(e,t){this._parserSize=e;this._parser=t};w.prototype._message=function(e,t,n){var i=n?n.length:0;var s=new r(5+4*t.length);s.writeUInt32BE(s.length+i-4,0);s[4]=e;for(var o=0;o0){this._parse(t,this._onmessage)}else{this._onKeepAlive();this._parse(4,this._onmessagelength)}};w.prototype._onmessage=function(e){this._parse(4,this._onmessagelength);switch(e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:this._debug("got unknown message");return this.emit("unknownmessage",e)}};w.prototype._parseHandshake=function(){this._parse(1,function(e){var t=e.readUInt8(0);this._parse(t+48,function(e){var r=e.slice(0,t);if(r.toString()!=="BitTorrent protocol"){this._debug("Error: wire not speaking BitTorrent protocol (%s)",r.toString());this.end();return}e=e.slice(t);this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(e[7]&1),extended:!!(e[5]&16)});this._parse(4,this._onmessagelength)}.bind(this))}.bind(this))};w.prototype._onfinish=function(){this._finished=true;this.push(null);while(this.read()){}clearInterval(this._keepAliveInterval);this._parse(Number.MAX_VALUE,function(){});this.peerRequests=[];while(this.requests.length){this._callback(this.requests.shift(),new Error("wire was closed"),null)}};w.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0];s.apply(null,e)};function S(e,t,r,n){for(var i=0;i=e.maxConns){return}s("drain (%s queued, %s/%s peers)",e.numQueued,e.numPeers,e.maxConns);var t=e._queue.shift();if(!t)return;s("tcp connect attempt to %s",t.addr);var r=i(t.addr);var n={host:r[0],port:r[1]};if(e._hostname)n.localAddress=e._hostname;var o=t.conn=f.connect(n);o.once("connect",function(){t.onConnect()});o.once("error",function(e){t.destroy(e)});t.setConnectTimeout();o.on("close",function(){if(e.destroyed)return;if(t.retries>=d.length){s("conn %s closed: will not re-add (max %s attempts)",t.addr,d.length);return}var r=d[t.retries];s("conn %s closed: will re-add to queue in %sms (attempt %s)",t.addr,r,t.retries+1);var n=setTimeout(function i(){var r=e._addPeer(t.addr);if(r)r.retries=t.retries+1},r);if(n.unref)n.unref()})};p.prototype._onError=function(e){var t=this;t.emit("error",e);t.destroy()};p.prototype._validAddr=function(e){var t=this;var r=i(e);var n=r[0];var s=r[1];return s>0&&s<65535&&!(n==="127.0.0.1"&&s===t._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":18,"./lib/tcp-pool":31,_process:77,"addr-to-ip-port":31,buffer:33,debug:39,events:44,inherits:52,net:31,speedometer:101}],18:[function(e,t,r){var n=e("debug")("bittorrent-swarm:peer");var i=e("./webconn");var s=e("bittorrent-protocol");var o=25e3;var a=25e3;r.createWebRTCPeer=function(e,t){var r=new f(e.id);r.conn=e;r.swarm=t;if(r.conn.connected){r.onConnect()}else{r.conn.once("connect",function(){r.onConnect()});r.conn.once("error",function(e){r.destroy(e)});r.setConnectTimeout()}return r};r.createIncomingTCPPeer=function(e){var t=e.remoteAddress+":"+e.remotePort;var r=new f(t);r.conn=e;r.addr=t;r.onConnect();return r};r.createOutgoingTCPPeer=function(e,t){var r=new f(e);r.addr=e;r.swarm=t;return r};r.createWebPeer=function(e,t,r){var n=new f(e);n.swarm=r;n.conn=new i(e,t);n.onConnect();return n};function f(e){var t=this;t.id=e;n("new Peer %s",e);t.addr=null;t.conn=null;t.swarm=null;t.wire=null;t.connected=false;t.destroyed=false;t.timeout=null;t.retries=0;t.sentHandshake=false}f.prototype.onConnect=function(){var e=this;if(e.destroyed)return;e.connected=true;n("Peer %s connected",e.id);clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()});t.once("close",function(){e.destroy()});t.once("finish",function(){e.destroy()});t.once("error",function(t){e.destroy(t)});var r=e.wire=new s;r.once("end",function(){e.destroy()});r.once("close",function(){e.destroy()});r.once("finish",function(){e.destroy()});r.once("error",function(t){e.destroy(t)});r.once("handshake",function(t,r){e.onHandshake(t,r)});e.setHandshakeTimeout();t.pipe(r).pipe(t);if(e.swarm&&!e.sentHandshake)e.handshake()};f.prototype.onHandshake=function(e,t){var r=this;if(!r.swarm)return;if(r.swarm.destroyed)return r.destroy(new Error("swarm already destroyed"));if(e!==r.swarm.infoHash){return r.destroy(new Error("unexpected handshake info hash for this swarm"))}if(t===r.swarm.peerId){return r.destroy(new Error("refusing to handshake with self"))}n("Peer %s got handshake %s",r.id,e);clearTimeout(r.handshakeTimeout);r.retries=0;r.wire.on("download",function(e){if(r.destroyed)return;r.swarm.downloaded+=e;r.swarm.downloadSpeed(e);r.swarm.emit("download",e)});r.wire.on("upload",function(e){if(r.destroyed)return;r.swarm.uploaded+=e;r.swarm.uploadSpeed(e);r.swarm.emit("upload",e)});if(!r.sentHandshake)r.handshake();r.swarm.wires.push(r.wire);var i=r.addr;if(!i&&r.conn.remoteAddress){i=r.conn.remoteAddress+":"+r.conn.remotePort}r.swarm.emit("wire",r.wire,i)};f.prototype.handshake=function(){var e=this;e.wire.handshake(e.swarm.infoHash,e.swarm.peerId,e.swarm.handshakeOpts);e.sentHandshake=true};f.prototype.setConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout);e.connectTimeout=setTimeout(function(){e.destroy(new Error("connect timeout"))},o);if(e.connectTimeout.unref)e.connectTimeout.unref()};f.prototype.setHandshakeTimeout=function(){var e=this;clearTimeout(e.handshakeTimeout);e.handshakeTimeout=setTimeout(function(){e.destroy(new Error("handshake timeout"))},a);if(e.handshakeTimeout.unref)e.handshakeTimeout.unref()};f.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.connected=false;n("destroy %s (error: %s)",t.id,e&&(e.message||e));clearTimeout(t.connectTimeout);clearTimeout(t.handshakeTimeout);var r=t.swarm;var i=t.conn;var s=t.wire;t.conn=null;t.swarm=null;t.wire=null;if(r&&s){var o=r.wires.indexOf(s);if(o>=0)r.wires.splice(o,1)}if(i)i.destroy();if(s)s.destroy();if(r)r.removePeer(t.id)}},{"./webconn":19,"bittorrent-protocol":16,debug:39}],19:[function(e,t,r){t.exports=u;var n=e("bitfield");var i=e("debug")("bittorrent-swarm:webconn");var s=e("simple-get");var o=e("inherits");var a=e("simple-sha1");var f=e("bittorrent-protocol");o(u,f);function u(e,t){var r=this;f.call(this);r.url=e;r.peerId=a.sync(e);r.parsedTorrent=t;r.setKeepAlive(true);r.on("handshake",function(e,t){r.handshake(e,r.peerId);var i=r.parsedTorrent.pieces.length;var s=new n(i);for(var o=0;o<=i;o++){s.set(o,true)}r.bitfield(s)});r.on("choke",function(){i("choke")});r.on("unchoke",function(){i("unchoke")});r.once("interested",function(){i("interested");r.unchoke()});r.on("uninterested",function(){i("uninterested")});r.on("bitfield",function(){i("bitfield")});r.on("request",function(e,t,n,s){i("request pieceIndex=%d offset=%d length=%d",e,t,n);r.httpRequest(e,t,n,s)})}u.prototype.httpRequest=function(e,t,r,n){var o=this;var a=e*o.parsedTorrent.pieceLength;var f=a+t;var u=f+r-1;i("Requesting pieceIndex=%d offset=%d length=%d start=%d end=%d",e,t,r,f,u);var h={url:o.url,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+f+"-"+u}};s.concat(h,function(e,t,r){if(e)return n(e);if(r.statusCode<200||r.statusCode>=300){return n(new Error("Unexpected HTTP status code "+r.statusCode))}i("Got data of length %d",t.length);n(null,t)})}},{bitfield:15,"bittorrent-protocol":16,debug:39,inherits:52,"simple-get":97,"simple-sha1":99}],20:[function(e,t,r){(function(r,n){t.exports=m;var i=e("events").EventEmitter;var s=e("debug")("bittorrent-tracker");var o=e("inherits");var a=e("once");var f=e("run-parallel");var u=e("uniq");var h=e("url");var l=e("./lib/common");var c=e("./lib/client/http-tracker");var d=e("./lib/client/udp-tracker");var p=e("./lib/client/websocket-tracker");o(m,i);function m(e,t,o,a){var f=this;if(!(f instanceof m))return new m(e,t,o,a);i.call(f);if(!a)a={};f.peerId=typeof e==="string"?e:e.toString("hex");f.peerIdBuffer=new n(f.peerId,"hex");f._peerIdBinary=f.peerIdBuffer.toString("binary");f.infoHash=typeof o.infoHash==="string"?o.infoHash:o.infoHash.toString("hex");f.infoHashBuffer=new n(f.infoHash,"hex");f._infoHashBinary=f.infoHashBuffer.toString("binary");f.torrentLength=o.length;f.destroyed=false;f._port=t;f._rtcConfig=a.rtcConfig;f._wrtc=a.wrtc;s("new client %s",f.infoHash);var l=!!f._wrtc||typeof window!=="undefined";var v=typeof o.announce==="string"?[o.announce]:o.announce==null?[]:o.announce;v=v.map(function(e){e=e.toString();if(e[e.length-1]==="/"){e=e.substring(0,e.length-1)}return e});v=u(v);f._trackers=v.map(function(e){var t=h.parse(e).protocol;if((t==="http:"||t==="https:")&&typeof c==="function"){return new c(f,e)}else if(t==="udp:"&&typeof d==="function"){return new d(f,e)}else if((t==="ws:"||t==="wss:")&&l){return new p(f,e)}else{r.nextTick(function(){var t=new Error("unsupported tracker protocol for "+e);f.emit("warning",t)})}return null}).filter(Boolean)}m.scrape=function(e,t,r){r=a(r);var i=new n("01234567890123456789");var s=6881;var o={infoHash:Array.isArray(t)?t[0]:t,announce:[e]};var f=new m(i,s,o);f.once("error",r);var u=Array.isArray(t)?t.length:1;var h={};f.on("scrape",function(e){u-=1;h[e.infoHash]=e;if(u===0){f.destroy();var t=Object.keys(h);if(t.length===1){r(null,h[t[0]])}else{r(null,h)}}});t=Array.isArray(t)?t.map(function(e){return new n(e,"hex")}):new n(t,"hex");f.scrape({infoHash:t})};m.prototype.start=function(e){var t=this;s("send `start`");e=t._defaultAnnounceOpts(e);e.event="started";t._announce(e);t._trackers.forEach(function(e){e.setInterval()})};m.prototype.stop=function(e){var t=this;s("send `stop`");e=t._defaultAnnounceOpts(e);e.event="stopped";t._announce(e)};m.prototype.complete=function(e){var t=this;s("send `complete`");if(!e)e={};if(e.downloaded==null&&t.torrentLength!=null){e.downloaded=t.torrentLength}e=t._defaultAnnounceOpts(e);e.event="completed";t._announce(e)};m.prototype.update=function(e){var t=this;s("send `update`");e=t._defaultAnnounceOpts(e);if(e.event)delete e.event;t._announce(e)};m.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})};m.prototype.scrape=function(e){var t=this;s("send `scrape`");if(!e)e={};t._trackers.forEach(function(t){t.scrape(e)})};m.prototype.setInterval=function(e){var t=this;s("setInterval %d",e);t._trackers.forEach(function(t){t.setInterval(e)})};m.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;s("destroy");var r=t._trackers.map(function(e){return function(t){e.destroy(t)}});f(r,e);t._trackers=[]};m.prototype._defaultAnnounceOpts=function(e){var t=this;if(!e)e={};if(e.numwant==null)e.numwant=l.DEFAULT_ANNOUNCE_PEERS;if(e.uploaded==null)e.uploaded=0;if(e.downloaded==null)e.downloaded=0;if(e.left==null&&t.torrentLength!=null){e.left=t.torrentLength-e.downloaded}return e}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/client/http-tracker":31,"./lib/client/udp-tracker":31,"./lib/client/websocket-tracker":22,"./lib/common":23,_process:77,buffer:33,debug:39,events:44,inherits:52,once:70,"run-parallel":95,uniq:113,url:114}],21:[function(e,t,r){t.exports=s;var n=e("events").EventEmitter;var i=e("inherits");i(s,n);function s(e,t){var r=this;n.call(r);r.client=e;r.announceUrl=t;r.interval=null;r.destroyed=false}s.prototype.setInterval=function(e){var t=this;if(e==null)e=t.DEFAULT_ANNOUNCE_INTERVAL;clearInterval(t.interval);if(e){var r=t.announce.bind(t,t.client._defaultAnnounceOpts());t.interval=setInterval(r,e);if(t.interval.unref)t.interval.unref()}}},{events:44,inherits:52}],22:[function(e,t,r){t.exports=p;var n=e("debug")("bittorrent-tracker:websocket-tracker");var i=e("hat");var s=e("inherits");var o=e("simple-peer");var a=e("simple-websocket");var f=e("../common");var u=e("./tracker");var h={};var l=30*1e3;var c=5*1e3;var d=50*1e3;s(p,u);function p(e,t,r){var i=this;u.call(i,e,t);n("new websocket tracker %s",t);i.peers={};i.socket=null;i.reconnecting=false;i._openSocket()}p.prototype.DEFAULT_ANNOUNCE_INTERVAL=30*1e3;p.prototype.announce=function(e){var t=this;if(t.destroyed||t.reconnecting)return;if(!t.socket.connected){return t.socket.once("connect",t.announce.bind(t,e))}var r=Math.min(e.numwant,10);t._generateOffers(r,function(n){var i={numwant:r,uploaded:e.uploaded||0,downloaded:e.downloaded,event:e.event,info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,offers:n};if(t._trackerId)i.trackerid=t._trackerId;t._send(i)})};p.prototype.scrape=function(e){var t=this;if(t.destroyed||t.reconnecting)return;t._onSocketError(new Error("scrape not supported "+t.announceUrl))};p.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;clearInterval(t.interval);h[t.announceUrl]=null;t.socket.removeListener("connect",t._onSocketConnectBound);t.socket.removeListener("data",t._onSocketDataBound);t.socket.removeListener("close",t._onSocketCloseBound);t.socket.removeListener("error",t._onSocketErrorBound);t._onSocketConnectBound=null;t._onSocketErrorBound=null;t._onSocketDataBound=null;t._onSocketCloseBound=null;t.socket.on("error",m);try{t.socket.destroy(e)}catch(r){if(e)e()}t.socket=null};p.prototype._openSocket=function(){var e=this;e.destroyed=false;e._onSocketConnectBound=e._onSocketConnect.bind(e);e._onSocketErrorBound=e._onSocketError.bind(e);e._onSocketDataBound=e._onSocketData.bind(e);e._onSocketCloseBound=e._onSocketClose.bind(e);e.socket=h[e.announceUrl];if(!e.socket){e.socket=h[e.announceUrl]=new a(e.announceUrl);e.socket.on("connect",e._onSocketConnectBound)}e.socket.on("data",e._onSocketDataBound);e.socket.on("close",e._onSocketCloseBound);e.socket.on("error",e._onSocketErrorBound)};p.prototype._onSocketConnect=function(){var e=this;if(e.destroyed)return;if(e.reconnecting){e.reconnecting=false;e.announce(e.client._defaultAnnounceOpts())}};p.prototype._onSocketData=function(e){var t=this;if(t.destroyed)return;if(!(typeof e==="object"&&e!==null)){return t.client.emit("warning",new Error("Invalid tracker response"))}if(e.info_hash!==t.client._infoHashBinary){n("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,f.binaryToHex(e.info_hash),t.client.infoHash);return}if(e.peer_id&&e.peer_id===t.client._peerIdBinary){return}n("received %s from %s for %s",JSON.stringify(e),t.announceUrl,t.client.infoHash);var r=e["failure reason"];if(r)return t.client.emit("warning",new Error(r));var i=e["warning message"];if(i)t.client.emit("warning",new Error(i));var s=e.interval||e["min interval"];if(s)t.setInterval(s*1e3);var a=e["tracker id"];if(a){t._trackerId=a}if(e.complete){t.client.emit("update",{announce:t.announceUrl,complete:e.complete,incomplete:e.incomplete})}var u;if(e.offer&&e.peer_id){n("creating peer (from remote offer)");u=new o({trickle:false,config:t.client._rtcConfig,wrtc:t.client._wrtc});u.id=f.binaryToHex(e.peer_id);u.once("signal",function(r){var n={info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,to_peer_id:e.peer_id,answer:r,offer_id:e.offer_id};if(t._trackerId)n.trackerid=t._trackerId;t._send(n)});u.signal(e.offer);t.client.emit("peer",u)}if(e.answer&&e.peer_id){var h=f.binaryToHex(e.offer_id);u=t.peers[h];if(u){u.id=f.binaryToHex(e.peer_id);u.signal(e.answer);t.client.emit("peer",u);clearTimeout(u.trackerTimeout);u.trackerTimeout=null;t.peers[h]=null}else{n("got unexpected answer: "+JSON.stringify(e.answer))}}};p.prototype._onSocketClose=function(){var e=this;if(e.destroyed)return;e.destroy();e._startReconnectTimer()};p.prototype._onSocketError=function(e){var t=this;if(t.destroyed)return;t.destroy();t.client.emit("warning",e);t._startReconnectTimer()};p.prototype._startReconnectTimer=function(){var e=this;var t=Math.floor(Math.random()*l)+c;e.reconnecting=true;var r=setTimeout(function(){e._openSocket()},t);if(r.unref)r.unref();n("reconnecting socket in %s ms",t)};p.prototype._send=function(e){var t=this;if(t.destroyed)return;var r=JSON.stringify(e);n("send %s",r);t.socket.send(r)};p.prototype._generateOffers=function(e,t){var r=this;var s=[];n("generating %s offers",e);for(var a=0;a=this.size){var i=r.concat(this._buffered);this._bufferedBytes-=this.size; +this.push(i.slice(0,this.size));this._buffered=[i.slice(this.size,i.length)]}n()};o.prototype._flush=function(){if(this._bufferedBytes&&this._zeroPadding){var e=new r(this.size-this._bufferedBytes);e.fill(0);this._buffered.push(e);this.push(r.concat(this._buffered));this._buffered=null}else if(this._bufferedBytes){this.push(r.concat(this._buffered));this._buffered=null}this.push(null)}}).call(this,e("buffer").Buffer)},{buffer:33,defined:41,inherits:52,"readable-stream":30}],25:[function(e,t,r){(function(r){t.exports=a;var n=Object.keys||function(e){var t=[];for(var r in e)t.push(r);return t};var i=e("core-util-is");i.inherits=e("inherits");var s=e("./_stream_readable");var o=e("./_stream_writable");i.inherits(a,s);u(n(o.prototype),function(e){if(!a.prototype[e])a.prototype[e]=o.prototype[e]});function a(e){if(!(this instanceof a))return new a(e);s.call(this,e);o.call(this,e);if(e&&e.readable===false)this.readable=false;if(e&&e.writable===false)this.writable=false;this.allowHalfOpen=true;if(e&&e.allowHalfOpen===false)this.allowHalfOpen=false;this.once("end",f)}function f(){if(this.allowHalfOpen||this._writableState.ended)return;r.nextTick(this.end.bind(this))}function u(e,t){for(var r=0,n=e.length;r0){if(t.ended&&!i){var o=new Error("stream.push() after EOF");e.emit("error",o)}else if(t.endEmitted&&i){var o=new Error("stream.unshift() after end event");e.emit("error",o)}else{if(t.decoder&&!i&&!n)r=t.decoder.write(r);if(!i)t.reading=false;if(t.flowing&&t.length===0&&!t.sync){e.emit("data",r);e.read(0)}else{t.length+=t.objectMode?1:r.length;if(i)t.buffer.unshift(r);else t.buffer.push(r);if(t.needReadable)_(e)}w(e,t)}}else if(!i){t.reading=false}return d(t)}function d(e){return!e.ended&&(e.needReadable||e.length=p){e=p}else{e--;for(var t=1;t<32;t<<=1)e|=e>>t;e++}return e}function v(e,t){if(t.length===0&&t.ended)return 0;if(t.objectMode)return e===0?0:1;if(isNaN(e)||a.isNull(e)){if(t.flowing&&t.buffer.length)return t.buffer[0].length;else return t.length}if(e<=0)return 0;if(e>t.highWaterMark)t.highWaterMark=m(e);if(e>t.length){if(!t.ended){t.needReadable=true;return 0}else return t.length}return e}l.prototype.read=function(e){u("read",e);var t=this._readableState;var r=e;if(!a.isNumber(e)||e>0)t.emittedReadable=false;if(e===0&&t.needReadable&&(t.length>=t.highWaterMark||t.ended)){u("read: emitReadable",t.length,t.ended);if(t.length===0&&t.ended)T(this);else _(this);return null}e=v(e,t);if(e===0&&t.ended){if(t.length===0)T(this);return null}var n=t.needReadable;u("need readable",n);if(t.length===0||t.length-e0)i=U(e,t);else i=null;if(a.isNull(i)){t.needReadable=true;e=0}t.length-=e;if(t.length===0&&!t.ended)t.needReadable=true;if(r!==e&&t.ended&&t.length===0)T(this);if(!a.isNull(i))this.emit("data",i);return i};function g(e,t){var r=null;if(!a.isBuffer(t)&&!a.isString(t)&&!a.isNullOrUndefined(t)&&!e.objectMode){r=new TypeError("Invalid non-string/buffer chunk")}return r}function y(e,t){if(t.decoder&&!t.ended){var r=t.decoder.end();if(r&&r.length){t.buffer.push(r);t.length+=t.objectMode?1:r.length}}t.ended=true;_(e)}function _(e){var t=e._readableState;t.needReadable=false;if(!t.emittedReadable){u("emitReadable",t.flowing);t.emittedReadable=true;if(t.sync)r.nextTick(function(){b(e)});else b(e)}}function b(e){u("emit readable");e.emit("readable");A(e)}function w(e,t){if(!t.readingMore){t.readingMore=true;r.nextTick(function(){S(e,t)})}}function S(e,t){var r=t.length;while(!t.reading&&!t.flowing&&!t.ended&&t.length=n){if(s)a=r.join("");else a=i.concat(r,n);r.length=0}else{if(e0)throw new Error("endReadable called on non-empty stream");if(!t.endEmitted){t.ended=true;r.nextTick(function(){if(!t.endEmitted&&t.length===0){t.endEmitted=true;e.readable=false;e.emit("end")}})}}function I(e,t){for(var r=0,n=e.length;r1){var r=[];for(var n=0;n1)return new u(e,arguments[1]);return new u(e)}this.length=0;this.parent=undefined;if(typeof e==="number"){return h(this,e)}if(typeof e==="string"){return l(this,e,arguments.length>1?arguments[1]:"utf8")}return c(this,e)}function h(e,t){e=_(e,t<0?0:b(t)|0);if(!u.TYPED_ARRAY_SUPPORT){for(var r=0;r>>1;if(r)e.parent=o;return e}function b(e){if(e>=f()){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+f().toString(16)+" bytes")}return e|0}function w(e,t){if(!(this instanceof w))return new w(e,t);var r=new u(e,t);delete r.parent;return r}u.isBuffer=function te(e){return!!(e!=null&&e._isBuffer)};u.compare=function re(e,t){if(!u.isBuffer(e)||!u.isBuffer(t)){throw new TypeError("Arguments must be Buffers")}if(e===t)return 0;var r=e.length;var n=t.length;var i=0;var s=Math.min(r,n);while(i>>1;case"base64":return Q(e).length;default:if(n)return Z(e).length;t=(""+t).toLowerCase();n=true}}}u.byteLength=S;u.prototype.length=undefined;u.prototype.parent=undefined;function x(e,t,r){var n=false;t=t|0;r=r===undefined||r===Infinity?this.length:r|0;if(!e)e="utf8";if(t<0)t=0;if(r>this.length)r=this.length;if(r<=t)return"";while(true){switch(e){case"hex":return O(this,t,r);case"utf8":case"utf-8":return L(this,t,r);case"ascii":return P(this,t,r);case"binary":return F(this,t,r);case"base64":return B(this,t,r);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return M(this,t,r);default:if(n)throw new TypeError("Unknown encoding: "+e);e=(e+"").toLowerCase();n=true}}}u.prototype.toString=function se(){var e=this.length|0;if(e===0)return"";if(arguments.length===0)return L(this,0,e);return x.apply(this,arguments)};u.prototype.equals=function oe(e){if(!u.isBuffer(e))throw new TypeError("Argument must be a Buffer");if(this===e)return true;return u.compare(this,e)===0};u.prototype.inspect=function ae(){var e="";var t=r.INSPECT_MAX_BYTES;if(this.length>0){e=this.toString("hex",0,t).match(/.{2}/g).join(" ");if(this.length>t)e+=" ... "}return""};u.prototype.compare=function fe(e){if(!u.isBuffer(e))throw new TypeError("Argument must be a Buffer");if(this===e)return 0;return u.compare(this,e)};u.prototype.indexOf=function ue(e,t){if(t>2147483647)t=2147483647;else if(t<-2147483648)t=-2147483648;t>>=0;if(this.length===0)return-1;if(t>=this.length)return-1;if(t<0)t=Math.max(this.length+t,0);if(typeof e==="string"){if(e.length===0)return-1;return String.prototype.indexOf.call(this,e,t)}if(u.isBuffer(e)){return r(this,e,t)}if(typeof e==="number"){if(u.TYPED_ARRAY_SUPPORT&&Uint8Array.prototype.indexOf==="function"){return Uint8Array.prototype.indexOf.call(this,e,t)}return r(this,[e],t)}function r(e,t,r){var n=-1;for(var i=0;r+ii){n=i}}var s=t.length;if(s%2!==0)throw new Error("Invalid hex string");if(n>s/2){n=s/2}for(var o=0;os)r=s;if(e.length>0&&(r<0||t<0)||t>this.length){throw new RangeError("attempt to write outside buffer bounds")}if(!n)n="utf8";var o=false;for(;;){switch(n){case"hex":return k(this,e,t,r);case"utf8":case"utf-8":return E(this,e,t,r);case"ascii":return A(this,e,t,r);case"binary":return U(this,e,t,r);case"base64":return T(this,e,t,r);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return I(this,e,t,r);default:if(o)throw new TypeError("Unknown encoding: "+n);n=(""+n).toLowerCase();o=true}}};u.prototype.toJSON=function de(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function B(e,t,r){if(t===0&&r===e.length){return n.fromByteArray(e)}else{return n.fromByteArray(e.slice(t,r))}}function L(e,t,r){r=Math.min(e.length,r);var n=[];var i=t;while(i239?4:s>223?3:s>191?2:1;if(i+a<=r){var f,u,h,l;switch(a){case 1:if(s<128){o=s}break;case 2:f=e[i+1];if((f&192)===128){l=(s&31)<<6|f&63;if(l>127){o=l}}break;case 3:f=e[i+1];u=e[i+2];if((f&192)===128&&(u&192)===128){l=(s&15)<<12|(f&63)<<6|u&63;if(l>2047&&(l<55296||l>57343)){o=l}}break;case 4:f=e[i+1];u=e[i+2];h=e[i+3];if((f&192)===128&&(u&192)===128&&(h&192)===128){l=(s&15)<<18|(f&63)<<12|(u&63)<<6|h&63;if(l>65535&&l<1114112){o=l}}}}if(o===null){o=65533;a=1}else if(o>65535){o-=65536;n.push(o>>>10&1023|55296);o=56320|o&1023}n.push(o);i+=a}return R(n)}var C=4096;function R(e){var t=e.length;if(t<=C){return String.fromCharCode.apply(String,e)}var r="";var n=0;while(nn)r=n;var i="";for(var s=t;sr){e=r}if(t<0){t+=r;if(t<0)t=0}else if(t>r){t=r}if(tr)throw new RangeError("Trying to access beyond buffer length")}u.prototype.readUIntLE=function me(e,t,r){e=e|0;t=t|0;if(!r)D(e,t,this.length);var n=this[e];var i=1;var s=0;while(++s0&&(i*=256)){n+=this[e+--t]*i}return n};u.prototype.readUInt8=function ge(e,t){if(!t)D(e,1,this.length);return this[e]};u.prototype.readUInt16LE=function ye(e,t){if(!t)D(e,2,this.length);return this[e]|this[e+1]<<8};u.prototype.readUInt16BE=function _e(e,t){if(!t)D(e,2,this.length);return this[e]<<8|this[e+1]};u.prototype.readUInt32LE=function be(e,t){if(!t)D(e,4,this.length);return(this[e]|this[e+1]<<8|this[e+2]<<16)+this[e+3]*16777216};u.prototype.readUInt32BE=function we(e,t){if(!t)D(e,4,this.length);return this[e]*16777216+(this[e+1]<<16|this[e+2]<<8|this[e+3])};u.prototype.readIntLE=function Se(e,t,r){e=e|0;t=t|0;if(!r)D(e,t,this.length);var n=this[e];var i=1;var s=0;while(++s=i)n-=Math.pow(2,8*t);return n};u.prototype.readIntBE=function xe(e,t,r){e=e|0;t=t|0;if(!r)D(e,t,this.length);var n=t;var i=1;var s=this[e+--n];while(n>0&&(i*=256)){s+=this[e+--n]*i}i*=128;if(s>=i)s-=Math.pow(2,8*t);return s};u.prototype.readInt8=function ke(e,t){if(!t)D(e,1,this.length);if(!(this[e]&128))return this[e];return(255-this[e]+1)*-1};u.prototype.readInt16LE=function Ee(e,t){if(!t)D(e,2,this.length);var r=this[e]|this[e+1]<<8;return r&32768?r|4294901760:r};u.prototype.readInt16BE=function Ae(e,t){if(!t)D(e,2,this.length);var r=this[e+1]|this[e]<<8;return r&32768?r|4294901760:r};u.prototype.readInt32LE=function Ue(e,t){if(!t)D(e,4,this.length);return this[e]|this[e+1]<<8|this[e+2]<<16|this[e+3]<<24};u.prototype.readInt32BE=function Te(e,t){if(!t)D(e,4,this.length);return this[e]<<24|this[e+1]<<16|this[e+2]<<8|this[e+3]};u.prototype.readFloatLE=function Ie(e,t){if(!t)D(e,4,this.length);return i.read(this,e,true,23,4)};u.prototype.readFloatBE=function Be(e,t){if(!t)D(e,4,this.length);return i.read(this,e,false,23,4)};u.prototype.readDoubleLE=function Le(e,t){if(!t)D(e,8,this.length);return i.read(this,e,true,52,8)};u.prototype.readDoubleBE=function Ce(e,t){if(!t)D(e,8,this.length);return i.read(this,e,false,52,8)};function N(e,t,r,n,i,s){if(!u.isBuffer(e))throw new TypeError("buffer must be a Buffer instance");if(t>i||te.length)throw new RangeError("index out of range")}u.prototype.writeUIntLE=function Re(e,t,r,n){e=+e;t=t|0;r=r|0;if(!n)N(this,e,t,r,Math.pow(2,8*r),0);var i=1;var s=0;this[t]=e&255;while(++s=0&&(s*=256)){this[t+i]=e/s&255}return t+r};u.prototype.writeUInt8=function Fe(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,1,255,0);if(!u.TYPED_ARRAY_SUPPORT)e=Math.floor(e);this[t]=e&255;return t+1};function z(e,t,r,n){if(t<0)t=65535+t+1;for(var i=0,s=Math.min(e.length-r,2);i>>(n?i:1-i)*8}}u.prototype.writeUInt16LE=function Oe(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,2,65535,0);if(u.TYPED_ARRAY_SUPPORT){this[t]=e&255;this[t+1]=e>>>8}else{z(this,e,t,true)}return t+2};u.prototype.writeUInt16BE=function Me(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,2,65535,0);if(u.TYPED_ARRAY_SUPPORT){this[t]=e>>>8;this[t+1]=e&255}else{z(this,e,t,false)}return t+2};function j(e,t,r,n){if(t<0)t=4294967295+t+1;for(var i=0,s=Math.min(e.length-r,4);i>>(n?i:3-i)*8&255}}u.prototype.writeUInt32LE=function De(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,4,4294967295,0);if(u.TYPED_ARRAY_SUPPORT){this[t+3]=e>>>24;this[t+2]=e>>>16;this[t+1]=e>>>8;this[t]=e&255}else{j(this,e,t,true)}return t+4};u.prototype.writeUInt32BE=function Ne(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,4,4294967295,0);if(u.TYPED_ARRAY_SUPPORT){this[t]=e>>>24;this[t+1]=e>>>16;this[t+2]=e>>>8;this[t+3]=e&255}else{j(this,e,t,false)}return t+4};u.prototype.writeIntLE=function ze(e,t,r,n){e=+e;t=t|0;if(!n){var i=Math.pow(2,8*r-1);N(this,e,t,r,i-1,-i)}var s=0;var o=1;var a=e<0?1:0;this[t]=e&255;while(++s>0)-a&255}return t+r};u.prototype.writeIntBE=function je(e,t,r,n){e=+e;t=t|0;if(!n){var i=Math.pow(2,8*r-1);N(this,e,t,r,i-1,-i)}var s=r-1;var o=1;var a=e<0?1:0;this[t+s]=e&255; +while(--s>=0&&(o*=256)){this[t+s]=(e/o>>0)-a&255}return t+r};u.prototype.writeInt8=function He(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,1,127,-128);if(!u.TYPED_ARRAY_SUPPORT)e=Math.floor(e);if(e<0)e=255+e+1;this[t]=e&255;return t+1};u.prototype.writeInt16LE=function qe(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,2,32767,-32768);if(u.TYPED_ARRAY_SUPPORT){this[t]=e&255;this[t+1]=e>>>8}else{z(this,e,t,true)}return t+2};u.prototype.writeInt16BE=function Ge(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,2,32767,-32768);if(u.TYPED_ARRAY_SUPPORT){this[t]=e>>>8;this[t+1]=e&255}else{z(this,e,t,false)}return t+2};u.prototype.writeInt32LE=function We(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,4,2147483647,-2147483648);if(u.TYPED_ARRAY_SUPPORT){this[t]=e&255;this[t+1]=e>>>8;this[t+2]=e>>>16;this[t+3]=e>>>24}else{j(this,e,t,true)}return t+4};u.prototype.writeInt32BE=function Ye(e,t,r){e=+e;t=t|0;if(!r)N(this,e,t,4,2147483647,-2147483648);if(e<0)e=4294967295+e+1;if(u.TYPED_ARRAY_SUPPORT){this[t]=e>>>24;this[t+1]=e>>>16;this[t+2]=e>>>8;this[t+3]=e&255}else{j(this,e,t,false)}return t+4};function H(e,t,r,n,i,s){if(t>i||te.length)throw new RangeError("index out of range");if(r<0)throw new RangeError("index out of range")}function q(e,t,r,n,s){if(!s){H(e,t,r,4,3.4028234663852886e38,-3.4028234663852886e38)}i.write(e,t,r,n,23,4);return r+4}u.prototype.writeFloatLE=function Ve(e,t,r){return q(this,e,t,true,r)};u.prototype.writeFloatBE=function Ke(e,t,r){return q(this,e,t,false,r)};function G(e,t,r,n,s){if(!s){H(e,t,r,8,1.7976931348623157e308,-1.7976931348623157e308)}i.write(e,t,r,n,52,8);return r+8}u.prototype.writeDoubleLE=function $e(e,t,r){return G(this,e,t,true,r)};u.prototype.writeDoubleBE=function Ze(e,t,r){return G(this,e,t,false,r)};u.prototype.copy=function Xe(e,t,r,n){if(!r)r=0;if(!n&&n!==0)n=this.length;if(t>=e.length)t=e.length;if(!t)t=0;if(n>0&&n=this.length)throw new RangeError("sourceStart out of bounds");if(n<0)throw new RangeError("sourceEnd out of bounds");if(n>this.length)n=this.length;if(e.length-t=0;s--){e[s+t]=this[s+r]}}else if(i<1e3||!u.TYPED_ARRAY_SUPPORT){for(s=0;s=this.length)throw new RangeError("start out of bounds");if(r<0||r>this.length)throw new RangeError("end out of bounds");var n;if(typeof e==="number"){for(n=t;n55295&&r<57344){if(!i){if(r>56319){if((t-=3)>-1)s.push(239,191,189);continue}else if(o+1===n){if((t-=3)>-1)s.push(239,191,189);continue}i=r;continue}if(r<56320){if((t-=3)>-1)s.push(239,191,189);i=r;continue}r=(i-55296<<10|r-56320)+65536}else if(i){if((t-=3)>-1)s.push(239,191,189)}i=null;if(r<128){if((t-=1)<0)break;s.push(r)}else if(r<2048){if((t-=2)<0)break;s.push(r>>6|192,r&63|128)}else if(r<65536){if((t-=3)<0)break;s.push(r>>12|224,r>>6&63|128,r&63|128)}else if(r<1114112){if((t-=4)<0)break;s.push(r>>18|240,r>>12&63|128,r>>6&63|128,r&63|128)}else{throw new Error("Invalid code point")}}return s}function X(e){var t=[];for(var r=0;r>8;i=r%256;s.push(i);s.push(n)}return s}function Q(e){return n.toByteArray(V(e))}function ee(e,t,r,n){for(var i=0;i=t.length||i>=e.length)break;t[i+r]=e[i]}return i}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"base64-js":10,ieee754:50,"is-array":53}],34:[function(e,t,r){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",300:"Multiple Choices",301:"Moved Permanently",302:"Moved Temporarily",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 Time-out",409:"Conflict",410:"Gone",411:"Length Required",412:"Precondition Failed",413:"Request Entity Too Large",414:"Request-URI Too Large",415:"Unsupported Media Type",416:"Requested Range Not Satisfiable",417:"Expectation Failed",418:"I'm a teapot",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",500:"Internal Server Error",501:"Not Implemented",502:"Bad Gateway",503:"Service Unavailable",504:"Gateway Time-out",505:"HTTP Version Not Supported",506:"Variant Also Negotiates",507:"Insufficient Storage",509:"Bandwidth Limit Exceeded",510:"Not Extended",511:"Network Authentication Required"}},{}],35:[function(e,t,r){t.exports=o;var n=e("block-stream2");var i=e("inherits");var s=e("stream");i(o,s.Writable);function o(e,t,r){var i=this;if(!(i instanceof o)){return new o(e,t,r)}s.Writable.call(i,r);if(!r)r={};if(!e||!e.put||!e.get){throw new Error("First argument must be an abstract-chunk-store compliant store")}t=Number(t);if(!t)throw new Error("Second argument must be a chunk length");i._blockstream=new n(t,{zeroPadding:false});i._blockstream.on("data",f).on("error",function(e){i.destroy(e)});var a=0;function f(t){if(i.destroyed)return;e.put(a,t);a+=1}i.on("finish",function(){this._blockstream.end()})}o.prototype._write=function(e,t,r){this._blockstream.write(e,t,r)};o.prototype.destroy=function(e){if(this.destroyed)return;this.destroyed=true;if(e)this.emit("error",e);this.emit("close")}},{"block-stream2":24,inherits:52,stream:102}],36:[function(e,t,r){t.exports=function(e,t){var r=Infinity;var n=0;var i=null;t.sort(function(e,t){return e-t});for(var s=0,o=t.length;s=r){break}r=n;i=t[s]}return i}},{}],37:[function(e,t,r){(function(e){function t(e){if(Array.isArray){return Array.isArray(e)}return v(e)==="[object Array]"}r.isArray=t;function n(e){return typeof e==="boolean"}r.isBoolean=n;function i(e){return e===null}r.isNull=i;function s(e){return e==null}r.isNullOrUndefined=s;function o(e){return typeof e==="number"}r.isNumber=o;function a(e){return typeof e==="string"}r.isString=a;function f(e){return typeof e==="symbol"}r.isSymbol=f;function u(e){return e===void 0}r.isUndefined=u;function h(e){return v(e)==="[object RegExp]"}r.isRegExp=h;function l(e){return typeof e==="object"&&e!==null}r.isObject=l;function c(e){return v(e)==="[object Date]"}r.isDate=c;function d(e){return v(e)==="[object Error]"||e instanceof Error}r.isError=d;function p(e){return typeof e==="function"}r.isFunction=p;function m(e){return e===null||typeof e==="boolean"||typeof e==="number"||typeof e==="string"||typeof e==="symbol"||typeof e==="undefined"}r.isPrimitive=m;r.isBuffer=e.isBuffer;function v(e){return Object.prototype.toString.call(e)}}).call(this,{isBuffer:e("../../is-buffer/index.js")})},{"../../is-buffer/index.js":54}],38:[function(e,t,r){(function(r,n){t.exports=_;t.exports.announceList=[["udp://tracker.openbittorrent.com:80"],["udp://tracker.internetwarriors.net:1337"],["udp://tracker.leechers-paradise.org:6969"],["udp://tracker.coppersurfer.tk:6969"],["udp://exodus.desync.com:6969"],["wss://tracker.webtorrent.io"]];t.exports.parseInput=b;var i=e("bencode");var s=e("block-stream2");var o=e("piece-length");var a=e("path");var f=e("dezalgo");var u=e("filestream/read");var h=e("flatten");var l=e("fs");var c=e("is-file");var d=e("junk");var p=e("multistream");var m=e("once");var v=e("run-parallel");var g=e("simple-sha1");var y=e("stream");function _(e,t,r){if(typeof t==="function"){r=t;t={}}if(!t)t={};b(e,t,function(e,n,i){if(e)return r(e);t.singleFileTorrent=i;A(n,t,r)})}function b(e,t,r){if(typeof t==="function"){r=t;t={}}if(!t)t={};r=f(r);if(Array.isArray(e)&&e.length===0)throw new Error("invalid input type");if(I(e))e=Array.prototype.slice.call(e);if(!Array.isArray(e))e=[e];if(e.length===1&&typeof e[0]!=="string"&&!e[0].name)e[0].name=t.name;var i=null;e.forEach(function(e,t){if(typeof e==="string")return;var r=e.fullPath||e.name;if(!r)throw new Error("missing required `fullPath` or `name` property on input");e.path=r.split("/");if(!e.path[0])e.path.shift();if(e.path.length<2){i=null}else if(t===0){i=e.path[0]}else if(e.path[0]!==i){i=null}});e=e.filter(function(e){if(typeof e==="string")return true;var t=e.path[e.path.length-1];return k(t)&&d.not(t)});if(i){e.forEach(function(e){if(typeof e==="string")return;e.path.shift()})}if(!t.name&&i)t.name=i;if(!t.name&&e[0]&&e[0].name)t.name=e[0].name;if(!t.name&&typeof e[0]==="string")t.name=a.basename(e[0]);if(t.name===undefined){throw new Error("missing option 'name' and unable to infer it from input[0].name")}var s=e.reduce(function(e,t){return e+Number(typeof t==="string")},0);var o=e.length===1;if(e.length===1&&typeof e[0]==="string"){if(typeof l.stat!=="function"){throw new Error("filesystem paths do not work in the browser")}c(e[0],function(e,t){if(e)return r(e);o=t;u()})}else{u()}function u(){v(e.map(function(e){return function(r){var i={};if(T(e)){i.getStream=L(e);i.length=e.size}else if(n.isBuffer(e)){i.getStream=C(e);i.length=e.length}else if(B(e)){if(!t.pieceLength){throw new Error("must specify `pieceLength` option if input is Stream")}i.getStream=P(e,i);i.length=0}else if(typeof e==="string"){if(typeof l.stat!=="function"){throw new Error("filesystem paths do not work in the browser")}var a=s>1||o;w(e,a,r);return}else{throw new Error("invalid input type")}i.path=e.path;r(null,i)}}),function(e,t){if(e)return r(e);t=h(t);r(null,t,o)})}}function w(e,t,r){x(e,S,function(n,i){if(n)return r(n);if(Array.isArray(i))i=h(i);else i=[i];e=a.normalize(e);if(t){e=e.slice(0,e.lastIndexOf(a.sep)+1)}if(e[e.length-1]!==a.sep)e+=a.sep;i.forEach(function(t){t.getStream=R(t.path);t.path=t.path.replace(e,"").split(a.sep)});r(null,i)})}function S(e,t){t=m(t);l.stat(e,function(r,n){if(r)return t(r);var i={length:n.size,path:e};t(null,i)})}function x(e,t,r){l.readdir(e,function(n,i){if(n&&n.code==="ENOTDIR"){t(e,r)}else if(n){r(n)}else{v(i.filter(k).filter(d.not).map(function(r){return function(n){x(a.join(e,r),t,n)}}),r)}})}function k(e){return e[0]!=="."}function E(e,t,r){r=m(r);var i=[];var o=0;var a=e.map(function(e){return e.getStream});var f=0;var u=0;var h=false;var l=new p(a);var c=new s(t,{zeroPadding:false});l.on("error",y);l.pipe(c).on("data",d).on("end",v).on("error",y);function d(e){o+=e.length;var t=u;g(e,function(e){i[t]=e;f-=1;b()});f+=1;u+=1}function v(){h=true;b()}function y(e){_();r(e)}function _(){l.removeListener("error",y);c.removeListener("data",d);c.removeListener("end",v);c.removeListener("error",y)}function b(){if(h&&f===0){_();r(null,new n(i.join(""),"hex"),o)}}}function A(e,n,s){var a=n.announceList;if(!a){if(typeof n.announce==="string")a=[[n.announce]];else if(Array.isArray(n.announce)){a=n.announce.map(function(e){return[e]})}}if(!a)a=[];if(r.WEBTORRENT_ANNOUNCE){if(typeof r.WEBTORRENT_ANNOUNCE==="string"){a.push([[r.WEBTORRENT_ANNOUNCE]])}else if(Array.isArray(r.WEBTORRENT_ANNOUNCE)){a=a.concat(r.WEBTORRENT_ANNOUNCE.map(function(e){return[e]}))}}if(a.length===0){a=a.concat(t.exports.announceList)}if(typeof n.urlList==="string")n.urlList=[n.urlList];var f={info:{name:n.name},announce:a[0][0],"announce-list":a,"creation date":Number(n.creationDate)||Date.now(),encoding:"UTF-8"};if(n.comment!==undefined)f.comment=n.comment;if(n.createdBy!==undefined)f["created by"]=n.createdBy;if(n.private!==undefined)f.info.private=Number(n.private);if(n.sslCert!==undefined)f.info["ssl-cert"]=n.sslCert;if(n.urlList!==undefined)f["url-list"]=n.urlList;var u=n.pieceLength||o(e.reduce(U,0));f.info["piece length"]=u;E(e,u,function(t,r,o){if(t)return s(t);f.info.pieces=r;e.forEach(function(e){delete e.getStream});if(n.singleFileTorrent){f.info.length=o}else{f.info.files=e}s(null,i.encode(f))})}function U(e,t){return e+t.length}function T(e){return typeof Blob!=="undefined"&&e instanceof Blob}function I(e){return typeof FileList==="function"&&e instanceof FileList}function B(e){return typeof e==="object"&&typeof e.pipe==="function"}function L(e){return function(){return new u(e)}}function C(e){return function(){var t=new y.PassThrough;t.end(e);return t}}function R(e){return function(){return l.createReadStream(e)}}function P(e,t){return function(){var r=new y.Transform;r._transform=function(e,r,n){t.length+=e.length;this.push(e);n()};e.pipe(r);return r}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{bencode:11,"block-stream2":24,buffer:33,dezalgo:42,"filestream/read":45,flatten:46,fs:32,"is-file":55,junk:58,multistream:69,once:70,path:74,"piece-length":75,"run-parallel":95,"simple-sha1":99,stream:102}],39:[function(e,t,r){r=t.exports=e("./debug");r.log=s;r.formatArgs=i;r.save=o;r.load=a;r.useColors=n;r.storage="undefined"!=typeof chrome&&"undefined"!=typeof chrome.storage?chrome.storage.local:f();r.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"];function n(){return"WebkitAppearance"in document.documentElement.style||window.console&&(console.firebug||console.exception&&console.table)||navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31}r.formatters.j=function(e){return JSON.stringify(e)};function i(){var e=arguments;var t=this.useColors;e[0]=(t?"%c":"")+this.namespace+(t?" %c":" ")+e[0]+(t?"%c ":" ")+"+"+r.humanize(this.diff);if(!t)return e;var n="color: "+this.color;e=[e[0],n,"color: inherit"].concat(Array.prototype.slice.call(e,1));var i=0;var s=0;e[0].replace(/%[a-z%]/g,function(e){if("%%"===e)return;i++;if("%c"===e){s=i}});e.splice(s,0,n);return e}function s(){return"object"===typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function o(e){try{if(null==e){r.storage.removeItem("debug")}else{r.storage.debug=e}}catch(t){}}function a(){var e;try{e=r.storage.debug}catch(t){}return e}r.enable(a());function f(){try{return window.localStorage}catch(e){}}},{"./debug":40}],40:[function(e,t,r){r=t.exports=o;r.coerce=h;r.disable=f;r.enable=a;r.enabled=u;r.humanize=e("ms");r.names=[];r.skips=[];r.formatters={};var n=0;var i;function s(){return r.colors[n++%r.colors.length]}function o(e){function t(){}t.enabled=false;function n(){var e=n;var t=+new Date;var o=t-(i||t);e.diff=o;e.prev=i;e.curr=t;i=t;if(null==e.useColors)e.useColors=r.useColors();if(null==e.color&&e.useColors)e.color=s();var a=Array.prototype.slice.call(arguments);a[0]=r.coerce(a[0]);if("string"!==typeof a[0]){a=["%o"].concat(a)}var f=0;a[0]=a[0].replace(/%([a-z%])/g,function(t,n){if(t==="%%")return t;f++;var i=r.formatters[n];if("function"===typeof i){var s=a[f];t=i.call(e,s);a.splice(f,1);f--}return t});if("function"===typeof r.formatArgs){a=r.formatArgs.apply(e,a)}var u=n.log||r.log||console.log.bind(console);u.apply(e,a)}n.enabled=true;var o=r.enabled(e)?n:t;o.namespace=e;return o}function a(e){r.save(e);var t=(e||"").split(/[\s,]+/);var n=t.length;for(var i=0;i0&&this._events[e].length>r){this._events[e].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[e].length);if(typeof console.trace==="function"){console.trace()}}}return this};n.prototype.on=n.prototype.addListener;n.prototype.once=function(e,t){if(!i(t))throw TypeError("listener must be a function");var r=false;function n(){this.removeListener(e,n);if(!r){r=true;t.apply(this,arguments)}}n.listener=t;this.on(e,n);return this};n.prototype.removeListener=function(e,t){var r,n,s,a;if(!i(t))throw TypeError("listener must be a function");if(!this._events||!this._events[e])return this;r=this._events[e];s=r.length;n=-1;if(r===t||i(r.listener)&&r.listener===t){delete this._events[e];if(this._events.removeListener)this.emit("removeListener",e,t)}else if(o(r)){for(a=s;a-- >0;){if(r[a]===t||r[a].listener&&r[a].listener===t){n=a;break}}if(n<0)return this;if(r.length===1){r.length=0;delete this._events[e]}else{r.splice(n,1)}if(this._events.removeListener)this.emit("removeListener",e,t)}return this};n.prototype.removeAllListeners=function(e){var t,r;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[e])delete this._events[e];return this}if(arguments.length===0){for(t in this._events){if(t==="removeListener")continue;this.removeAllListeners(t)}this.removeAllListeners("removeListener");this._events={};return this}r=this._events[e];if(i(r)){this.removeListener(e,r)}else if(r){while(r.length)this.removeListener(e,r[r.length-1])}delete this._events[e];return this};n.prototype.listeners=function(e){var t;if(!this._events||!this._events[e])t=[];else if(i(this._events[e]))t=[this._events[e]];else t=this._events[e].slice();return t};n.prototype.listenerCount=function(e){if(this._events){var t=this._events[e];if(i(t))return 1;else if(t)return t.length}return 0};n.listenerCount=function(e,t){return e.listenerCount(t)};function i(e){return typeof e==="function"}function s(e){return typeof e==="number"}function o(e){return typeof e==="object"&&e!==null}function a(e){return e===void 0}},{}],45:[function(e,t,r){var n=e("stream").Readable;var i=e("inherits");var s=/^.*\.(\w+)$/;var o=e("typedarray-to-buffer");function a(e,t){var r=this;if(!(this instanceof a)){return new a(e,t)}t=t||{};n.call(this,t);this._offset=0;this._ready=false;this._file=e;this._size=e.size;this._chunkSize=t.chunkSize||Math.max(this._size/1e3,200*1024);this.reader=new FileReader;this._generateHeaderBlocks(e,t,function(e,t){if(e){return r.emit("error",e)}if(Array.isArray(t)){t.forEach(function(e){r.push(e)})}r._ready=true;r.emit("_ready")})}i(a,n);t.exports=a;a.prototype._generateHeaderBlocks=function(e,t,r){r(null,[])};a.prototype._read=function(){if(!this._ready){this.once("_ready",this._read.bind(this));return}var e=this;var t=this.reader;var r=this._offset;var n=this._offset+this._chunkSize;if(n>this._size)n=this._size;if(r===this._size){this.destroy();this.push(null);return}t.onload=function(){e._offset=n;e.push(o(t.result))};t.onerror=function(){e.emit("error",t.error)};t.readAsArrayBuffer(this._file.slice(r,n))};a.prototype.destroy=function(){this._file=null;if(this.reader){this.reader.onload=null;this.reader.onerror=null;try{this.reader.abort()}catch(e){}}this.reader=null}},{inherits:52,stream:102,"typedarray-to-buffer":112}],46:[function(e,t,r){t.exports=function n(e,t){t=typeof t=="number"?t:Infinity;return r(e,1);function r(e,n){return e.reduce(function(e,i){if(Array.isArray(i)&&n=Math.pow(2,e)){return n(e,t)}else return o};n.rack=function(e,t,r){var i=function(i){var o=0;do{if(o++>10){if(r)e+=r;else throw new Error("too many ID collisions, use more bits")}var a=n(e,t)}while(Object.hasOwnProperty.call(s,a));s[a]=i;return a};var s=i.hats={};i.get=function(e){return i.hats[e]};i.set=function(e,t){i.hats[e]=t;return i};i.bits=e||128;i.base=t||16;return i}},{}],49:[function(e,t,r){var n=e("http");var i=t.exports;for(var s in n){if(n.hasOwnProperty(s))i[s]=n[s]}i.request=function(e,t){if(!e)e={};e.scheme="https";e.protocol="https:";return n.request.call(this,e,t)}},{http:103}],50:[function(e,t,r){r.read=function(e,t,r,n,i){var s,o;var a=i*8-n-1;var f=(1<>1;var h=-7;var l=r?i-1:0;var c=r?-1:1;var d=e[t+l];l+=c;s=d&(1<<-h)-1;d>>=-h;h+=a;for(;h>0;s=s*256+e[t+l],l+=c,h-=8){}o=s&(1<<-h)-1;s>>=-h;h+=n;for(;h>0;o=o*256+e[t+l],l+=c,h-=8){}if(s===0){s=1-u}else if(s===f){return o?NaN:(d?-1:1)*Infinity}else{o=o+Math.pow(2,n);s=s-u}return(d?-1:1)*o*Math.pow(2,s-n)};r.write=function(e,t,r,n,i,s){var o,a,f;var u=s*8-i-1;var h=(1<>1;var c=i===23?Math.pow(2,-24)-Math.pow(2,-77):0;var d=n?0:s-1;var p=n?1:-1;var m=t<0||t===0&&1/t<0?1:0;t=Math.abs(t);if(isNaN(t)||t===Infinity){a=isNaN(t)?1:0;o=h}else{o=Math.floor(Math.log(t)/Math.LN2);if(t*(f=Math.pow(2,-o))<1){o--;f*=2}if(o+l>=1){t+=c/f}else{t+=c*Math.pow(2,1-l)}if(t*f>=2){o++;f/=2}if(o+l>=h){a=0;o=h}else if(o+l>=1){a=(t*f-1)*Math.pow(2,i);o=o+l}else{a=t*Math.pow(2,l-1)*Math.pow(2,i);o=0}}for(;i>=8;e[r+d]=a&255,d+=p,a/=256,i-=8){}o=o<0;e[r+d]=o&255,d+=p,o/=256,u-=8){}e[r+d-p]|=m*128}},{}],51:[function(e,t,r){(function(e){t.exports=r;function r(e){if(!(this instanceof r))return new r(e);this.store=e;if(!this.store||!this.store.get||!this.store.put){throw new Error("First argument must be abstract-chunk-store compliant")}this.mem=[]}r.prototype.put=function(e,t,r){var n=this;n.mem[e]=t;n.store.put(e,t,function(t){n.mem[e]=null;if(r)r(t)})};r.prototype.get=function(e,t,r){if(typeof t==="function")return this.get(e,null,t);var i=t&&t.offset||0;var s=t&&t.length&&i+t.length;var o=this.mem[e];if(o)return n(r,null,t?o.slice(i,s):o);this.store.get(e,t,r)};r.prototype.close=function(e){this.store.close(e)};r.prototype.destroy=function(e){this.store.destroy(e)};function n(t,r,n){e.nextTick(function(){if(t)t(r,n)})}}).call(this,e("_process"))},{_process:77}],52:[function(e,t,r){if(typeof Object.create==="function"){t.exports=function n(e,t){e.super_=t;e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:false,writable:true,configurable:true}})}}else{t.exports=function i(e,t){e.super_=t;var r=function(){};r.prototype=t.prototype;e.prototype=new r;e.prototype.constructor=e}}},{}],53:[function(e,t,r){var n=Array.isArray;var i=Object.prototype.toString;t.exports=n||function(e){return!!e&&"[object Array]"==i.call(e)}},{}],54:[function(e,t,r){t.exports=function(e){return!!(e!=null&&(e._isBuffer||e.constructor&&typeof e.constructor.isBuffer==="function"&&e.constructor.isBuffer(e)))}},{}],55:[function(e,t,r){"use strict";var n=e("fs");t.exports=function s(e,t){if(!t)return i(e);n.stat(e,function(e,r){if(e)return t(e);return t(null,r.isFile())})};t.exports.sync=i;function i(e){return n.existsSync(e)&&n.statSync(e).isFile()}},{fs:32}],56:[function(e,t,r){t.exports=s;s.strict=o;s.loose=a;var n=Object.prototype.toString;var i={"[object Int8Array]":true,"[object Int16Array]":true,"[object Int32Array]":true,"[object Uint8Array]":true,"[object Uint8ClampedArray]":true,"[object Uint16Array]":true,"[object Uint32Array]":true,"[object Float32Array]":true,"[object Float64Array]":true};function s(e){return o(e)||a(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 a(e){return i[n.call(e)]}},{}],57:[function(e,t,r){t.exports=Array.isArray||function(e){return Object.prototype.toString.call(e)=="[object Array]"}},{}],58:[function(e,t,r){"use strict";r.re=/^npm-debug\.log$|^\..*\.swp$|^\.DS_Store$|^\.AppleDouble$|^\.LSOverride$|^Icon[\r\?]?|^\._.*|^\.Spotlight-V100$|\.Trashes|^__MACOSX$|~$|^Thumbs\.db$|^ehthumbs\.db$|^Desktop\.ini$/;r.is=function(e){return r.re.test(e)};r.not=r.isnt=function(e){return!r.is(e)}},{}],59:[function(e,t,r){(function(r){t.exports=o;t.exports.decode=o;t.exports.encode=a;var n=e("thirty-two");var i=e("xtend");var s=e("uniq");function o(e){var t={};var i=e.split("magnet:?")[1];var o=i&&i.length>=0?i.split("&"):[];o.forEach(function(e){var r=e.split("=");if(r.length!==2)return;var n=r[0];var i=r[1];if(n==="dn")i=decodeURIComponent(i).replace(/\+/g," ");if(n==="tr"||n==="xs"||n==="as"||n==="ws"){i=decodeURIComponent(i)}if(n==="kt")i=decodeURIComponent(i).split("+");if(t[n]){if(Array.isArray(t[n])){t[n].push(i)}else{var s=t[n];t[n]=[s,i]}}else{t[n]=i}});var a;if(t.xt){var f=Array.isArray(t.xt)?t.xt:[t.xt];f.forEach(function(e){if(a=e.match(/^urn:btih:(.{40})/)){t.infoHash=a[1]}else if(a=e.match(/^urn:btih:(.{32})/)){var i=n.decode(a[1]);t.infoHash=new r(i,"binary").toString("hex")}})}if(t.infoHash)t.infoHashBuffer=new r(t.infoHash,"hex");if(t.dn)t.name=t.dn;if(t.kt)t.keywords=t.kt;if(typeof t.tr==="string")t.announce=[t.tr];else if(Array.isArray(t.tr))t.announce=t.tr;else t.announce=[];s(t.announce);t.urlList=[];if(typeof t.as==="string"||Array.isArray(t.as)){t.urlList=t.urlList.concat(t.as)}if(typeof t.ws==="string"||Array.isArray(t.ws)){t.urlList=t.urlList.concat(t.ws)}return t}function a(e){e=i(e);if(e.infoHashBuffer)e.xt="urn:btih:"+e.infoHashBuffer.toString("hex");if(e.infoHash)e.xt="urn:btih:"+e.infoHash;if(e.name)e.dn=e.name;if(e.keywords)e.kt=e.keywords;if(e.announce)e.tr=e.announce;if(e.urlList){e.ws=e.urlList;delete e.as}var t="magnet:?";Object.keys(e).filter(function(e){return e.length===2}).forEach(function(r,n){var i=Array.isArray(e[r])?e[r]:[e[r]];i.forEach(function(e,i){if((n>0||i>0)&&(r!=="kt"||i===0))t+="&"; +if(r==="dn")e=encodeURIComponent(e).replace(/%20/g,"+");if(r==="tr"||r==="xs"||r==="as"||r==="ws"){e=encodeURIComponent(e)}if(r==="kt")e=encodeURIComponent(e);if(r==="kt"&&i>0)t+="+"+e;else t+=r+"="+e})});return t}}).call(this,e("buffer").Buffer)},{buffer:33,"thirty-two":108,uniq:113,xtend:120}],60:[function(e,t,r){t.exports=o;var n=e("inherits");var i=e("stream");var s=typeof window!=="undefined"&&window.MediaSource;n(o,i.Writable);function o(e,t){var r=this;if(!(r instanceof o))return new o(e,t);i.Writable.call(r,t);if(!s)throw new Error("web browser lacks MediaSource support");if(!t)t={};r._elem=e;r._mediaSource=new s;r._sourceBuffer=null;r._cb=null;r._type=t.type||a(t.extname);if(!r._type)throw new Error("missing `opts.type` or `opts.extname` options");r._elem.src=window.URL.createObjectURL(r._mediaSource);r._mediaSource.addEventListener("sourceopen",function(){if(s.isTypeSupported(r._type)){r._sourceBuffer=r._mediaSource.addSourceBuffer(r._type);r._sourceBuffer.addEventListener("updateend",r._flow.bind(r));r._flow()}else{r._mediaSource.endOfStream("decode")}});r.on("finish",function(){r._mediaSource.endOfStream()})}o.prototype._write=function(e,t,r){var n=this;if(!n._sourceBuffer){n._cb=function(i){if(i)return r(i);n._write(e,t,r)};return}if(n._sourceBuffer.updating){return r(new Error("Cannot append buffer while source buffer updating"))}n._sourceBuffer.appendBuffer(e);n._cb=r};o.prototype._flow=function(){var e=this;if(e._cb){e._cb(null)}};function a(e){if(!e)return null;if(e[0]!==".")e="."+e;return{".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[e]}},{inherits:52,stream:102}],61:[function(e,t,r){(function(e){t.exports=r;function r(e,t){if(!(this instanceof r))return new r(e,t);if(!t)t={};this.chunkLength=Number(e);if(!this.chunkLength)throw new Error("First argument must be a chunk length");this.chunks=[];this.closed=false;this.length=Number(t.length)||Infinity;if(this.length!==Infinity){this.lastChunkLength=this.length%this.chunkLength||this.chunkLength;this.lastChunkIndex=Math.ceil(this.length/this.chunkLength)-1}}r.prototype.put=function(e,t,r){if(this.closed)return n(r,new Error("Storage is closed"));var i=e===this.lastChunkIndex;if(i&&t.length!==this.lastChunkLength){return n(r,new Error("Last chunk length must be "+this.lastChunkLength))}if(!i&&t.length!==this.chunkLength){return n(r,new Error("Chunk length must be "+this.chunkLength))}this.chunks[e]=t;n(r,null)};r.prototype.get=function(e,t,r){if(typeof t==="function")return this.get(e,null,t);if(this.closed)return n(r,new Error("Storage is closed"));var i=this.chunks[e];if(!i)return n(r,new Error("Chunk not found"));if(!t)return n(r,null,i);var s=t.offset||0;var o=t.length||i.length-s;n(r,null,i.slice(s,o+s))};r.prototype.close=r.prototype.destroy=function(e){if(this.closed)return n(e,new Error("Storage is closed"));this.closed=true;this.chunks=null;n(e,null)};function n(t,r,n){e.nextTick(function(){if(t)t(r,n)})}}).call(this,e("_process"))},{_process:77}],62:[function(e,t,r){var n=function(e,t,r){this._byteOffset=t||0;if(e instanceof ArrayBuffer){this.buffer=e}else if(typeof e=="object"){this.dataView=e;if(t){this._byteOffset+=t}}else{this.buffer=new ArrayBuffer(e||0)}this.position=0;this.endianness=r==null?n.LITTLE_ENDIAN:r};t.exports=n;n.prototype={};n.prototype.save=function(e){var t=new Blob([this.buffer]);var r=window.webkitURL||window.URL;if(r&&r.createObjectURL){var n=r.createObjectURL(t);var i=document.createElement("a");i.setAttribute("href",n);i.setAttribute("download",e);i.click();r.revokeObjectURL(n)}else{throw"DataStream.save: Can't create object URL."}};n.BIG_ENDIAN=false;n.LITTLE_ENDIAN=true;n.prototype._dynamicSize=true;Object.defineProperty(n.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){if(!e){this._trimAlloc()}this._dynamicSize=e}});n.prototype._byteLength=0;Object.defineProperty(n.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}});Object.defineProperty(n.prototype,"buffer",{get:function(){this._trimAlloc();return this._buffer},set:function(e){this._buffer=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(n.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(n.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset;this._buffer=e.buffer;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._byteOffset+e.byteLength}});n.prototype._realloc=function(e){if(!this._dynamicSize){return}var t=this._byteOffset+this.position+e;var r=this._buffer.byteLength;if(t<=r){if(t>this._byteLength){this._byteLength=t}return}if(r<1){r=1}while(t>r){r*=2}var n=new ArrayBuffer(r);var i=new Uint8Array(this._buffer);var s=new Uint8Array(n,0,i.length);s.set(i);this.buffer=n;this._byteLength=t};n.prototype._trimAlloc=function(){if(this._byteLength==this._buffer.byteLength){return}var e=new ArrayBuffer(this._byteLength);var t=new Uint8Array(e);var r=new Uint8Array(this._buffer,0,t.length);t.set(r);this.buffer=e};n.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e);var r=new Uint8Array(t);var n=new Uint8Array(this._buffer,e,r.length);r.set(n);this.buffer=t;this.position-=e};n.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t};n.prototype.isEof=function(){return this.position>=this._byteLength};n.prototype.mapInt32Array=function(e,t){this._realloc(e*4);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.mapInt16Array=function(e,t){this._realloc(e*2);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};n.prototype.mapInt8Array=function(e){this._realloc(e*1);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};n.prototype.mapUint32Array=function(e,t){this._realloc(e*4);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.mapUint16Array=function(e,t){this._realloc(e*2);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};n.prototype.mapUint8Array=function(e){this._realloc(e*1);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};n.prototype.mapFloat64Array=function(e,t){this._realloc(e*8);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*8;return r};n.prototype.mapFloat32Array=function(e,t){this._realloc(e*4);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.readInt32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Int32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readInt16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Int16Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readInt8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Int8Array(e);n.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};n.prototype.readUint32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Uint32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readUint16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Uint16Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readUint8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Uint8Array(e);n.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};n.prototype.readFloat64Array=function(e,t){e=e==null?this.byteLength-this.position/8:e;var r=new Float64Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readFloat32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Float32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.writeInt32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt32Array(e.length,t)}else{for(var r=0;r0;n.memcpy=function(e,t,r,n,i){var s=new Uint8Array(e,t,i);var o=new Uint8Array(r,n,i);s.set(o)};n.arrayToNative=function(e,t){if(t==this.endianness){return e}else{return this.flipArrayEndianness(e)}};n.nativeToEndian=function(e,t){if(this.endianness==t){return e}else{return this.flipArrayEndianness(e)}};n.flipArrayEndianness=function(e){var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength);for(var r=0;ri;n--,i++){var s=t[i];t[i]=t[n];t[n]=s}}return e};n.prototype.failurePosition=0;n.prototype.readStruct=function(e){var t={},r,n,i;var s=this.position;for(var o=0;o>16);this.writeUint8((e&65280)>>8);this.writeUint8(e&255)};n.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e);this.writeUint32(t);this.seek(r)}},{}],63:[function(e,t,r){var n=e("./DataStream");var s=e("./descriptor");var o=e("./log");var a={ERR_NOT_ENOUGH_DATA:0,OK:1,boxCodes:["mdat","avcC","hvcC","ftyp","payl","vmhd","smhd","hmhd","dref","elst"],fullBoxCodes:["mvhd","tkhd","mdhd","hdlr","smhd","hmhd","nhmd","url ","urn ","ctts","cslg","stco","co64","stsc","stss","stsz","stz2","stts","stsh","mehd","trex","mfhd","tfhd","trun","tfdt","esds","subs","txtC"],containerBoxCodes:[["moov",["trak"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl"],["mvex",["trex"]],["moof",["traf"]],["traf",["trun"]],["vttc"],["tref"]],sampleEntryCodes:[{prefix:"Visual",types:["mp4v","avc1","avc2","avc3","avc4","avcp","drac","encv","mjp2","mvc1","mvc2","resv","s263","svc1","vc-1","hvc1","hev1"]},{prefix:"Audio",types:["mp4a","ac-3","alac","dra1","dtsc","dtse",,"dtsh","dtsl","ec-3","enca","g719","g726","m4ae","mlpa","raw ","samr","sawb","sawp","sevc","sqcp","ssmv","twos"]},{prefix:"Hint",types:["fdp ","m2ts","pm2t","prtp","rm2t","rrtp","rsrp","rtp ","sm2t","srtp"]},{prefix:"Metadata",types:["metx","mett","urim"]},{prefix:"Subtitle",types:["stpp","wvtt","sbtt","tx3g","stxt"]}],trackReferenceTypes:["scal"],initialize:function(){var e,t;var r;a.FullBox.prototype=new a.Box;a.ContainerBox.prototype=new a.Box;a.stsdBox.prototype=new a.FullBox;a.SampleEntry.prototype=new a.FullBox;a.TrackReferenceTypeBox.prototype=new a.Box;r=a.boxCodes.length;for(e=0;ee.byteLength){e.seek(n);o.w("BoxParser",'Not enough data in stream to parse the entire "'+f+'" box');return{code:a.ERR_NOT_ENOUGH_DATA,type:f,size:s,hdr_size:i}}if(a[f+"Box"]){r=new a[f+"Box"](s-i)}else{if(t){r=new a.SampleEntry(f,s-i)}else{r=new a.Box(f,s-i)}}r.hdr_size=i;r.start=n;r.fileStart=n+e.buffer.fileStart;r.parse(e);e.seek(n+s);return{code:a.OK,box:r,size:s}}};t.exports=a;a.initialize();a.Box.prototype.parse=function(e){if(this.type!="mdat"){this.data=e.readUint8Array(this.size)}else{e.seek(this.start+this.size+this.hdr_size)}};a.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8();this.flags=e.readUint24();this.size-=4};a.ContainerBox.prototype.parse=function(e){var t;var r;var n;n=e.position;while(e.position=4){this.compatible_brands[t]=e.readString(4);this.size-=4;t++}};a.mvhdBox.prototype.parse=function(e){this.flags=0;this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.rate=e.readUint32();this.volume=e.readUint16()>>8;e.readUint16();e.readUint32Array(2);this.matrix=e.readUint32Array(9);e.readUint32Array(6);this.next_track_id=e.readUint32()};a.TKHD_FLAG_ENABLED=1;a.TKHD_FLAG_IN_MOVIE=2;a.TKHD_FLAG_IN_PREVIEW=4;a.tkhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint32()}e.readUint32Array(2);this.layer=e.readInt16();this.alternate_group=e.readInt16();this.volume=e.readInt16()>>8;e.readUint16();this.matrix=e.readInt32Array(9);this.width=e.readUint32();this.height=e.readUint32()};a.mdhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64(); +}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.language=e.readUint16();var t=[];t[0]=this.language>>10&31;t[1]=this.language>>5&31;t[2]=this.language&31;this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96);e.readUint16()};a.hdlrBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version===0){e.readUint32();this.handler=e.readString(4);e.readUint32Array(3);this.name=e.readCString()}else{this.data=e.readUint8Array(size)}};a.stsdBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);r=e.readUint32();for(i=1;i<=r;i++){t=a.parseOneBox(e,true);this.entries.push(t.box)}};a.avcCBox.prototype.parse=function(e){var t;var r;var n;this.configurationVersion=e.readUint8();this.AVCProfileIndication=e.readUint8();this.profile_compatibility=e.readUint8();this.AVCLevelIndication=e.readUint8();this.lengthSizeMinusOne=e.readUint8()&3;r=e.readUint8()&31;this.size-=6;this.SPS=new Array(r);for(t=0;t0){this.ext=e.readUint8Array(this.size)}};a.hvcCBox.prototype.parse=function(e){var t;var r;var n;var i;this.configurationVersion=e.readUint8();i=e.readUint8();this.general_profile_space=i>>6;this.general_tier_flag=(i&32)>>5;this.general_profile_idc=i&31;this.general_profile_compatibility=e.readUint32();this.general_constraint_indicator=e.readUint8Array(6);this.general_level_idc=e.readUint8();this.min_spatial_segmentation_idc=e.readUint16()&4095;this.parallelismType=e.readUint8()&3;this.chromaFormat=e.readUint8()&3;this.bitDepthLumaMinus8=e.readUint8()&7;this.bitDepthChromaMinus8=e.readUint8()&7;this.avgFrameRate=e.readUint16();i=e.readUint8();this.constantFrameRate=i>>6;this.numTemporalLayers=(i&13)>>3;this.temporalIdNested=(i&4)>>2;this.lengthSizeMinusOne=i&3;this.nalu_arrays=[];numOfArrays=e.readUint8();for(t=0;t>7;s.nalu_type=i&63;numNalus=e.readUint16();for(j=0;j>=1}t+=f(n,0);t+=".";if(this.hvcC.general_tier_flag===0){t+="L"}else{t+="H"}t+=this.hvcC.general_level_idc;var i=false;var s="";for(e=5;e>=0;e--){if(this.hvcC.general_constraint_indicator[e]||i){s="."+f(this.hvcC.general_constraint_indicator[e],0)+s;i=true}}t+=s}return t};a.mp4aBox.prototype.getCodec=function(){var e=a.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI();var r=this.esds.esd.getAudioConfig();return e+"."+f(t)+(r?"."+r:"")}else{return e}};a.esdsBox.prototype.parse=function(e){this.parseFullHeader(e);this.data=e.readUint8Array(this.size);this.size=0;var t=new s;this.esd=t.parseOneDescriptor(new n(this.data.buffer,0,n.BIG_ENDIAN))};a.txtCBox.prototype.parse=function(e){this.parseFullHeader(e);this.config=e.readCString()};a.cttsBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.sample_counts=[];this.sample_offsets=[];if(this.version===0){for(r=0;rt&&this.flags&a.TFHD_FLAG_BASE_DATA_OFFSET){this.base_data_offset=e.readUint64();t+=8}else{this.base_data_offset=0}if(this.size>t&&this.flags&a.TFHD_FLAG_SAMPLE_DESC){this.default_sample_description_index=e.readUint32();t+=4}else{this.default_sample_description_index=0}if(this.size>t&&this.flags&a.TFHD_FLAG_SAMPLE_DUR){this.default_sample_duration=e.readUint32();t+=4}else{this.default_sample_duration=0}if(this.size>t&&this.flags&a.TFHD_FLAG_SAMPLE_SIZE){this.default_sample_size=e.readUint32();t+=4}else{this.default_sample_size=0}if(this.size>t&&this.flags&a.TFHD_FLAG_SAMPLE_FLAGS){this.default_sample_flags=e.readUint32();t+=4}else{this.default_sample_flags=0}};a.TRUN_FLAGS_DATA_OFFSET=1;a.TRUN_FLAGS_FIRST_FLAG=4;a.TRUN_FLAGS_DURATION=256;a.TRUN_FLAGS_SIZE=512;a.TRUN_FLAGS_FLAGS=1024;a.TRUN_FLAGS_CTS_OFFSET=2048;a.trunBox.prototype.parse=function(e){var t=0;this.parseFullHeader(e);this.sample_count=e.readUint32();t+=4;if(this.size>t&&this.flags&a.TRUN_FLAGS_DATA_OFFSET){this.data_offset=e.readInt32();t+=4}else{this.data_offset=0}if(this.size>t&&this.flags&a.TRUN_FLAGS_FIRST_FLAG){this.first_sample_flags=e.readUint32();t+=4}else{this.first_sample_flags=0}this.sample_duration=[];this.sample_size=[];this.sample_flags=[];this.sample_composition_time_offset=[];if(this.size>t){for(var r=0;r0){for(r=0;rn.MAX_SIZE){this.size+=8}o.d("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.position+(t||""));if(this.size>n.MAX_SIZE){e.writeUint32(1)}else{this.sizePosition=e.position;e.writeUint32(this.size)}e.writeString(this.type,null,4);if(this.size>n.MAX_SIZE){e.writeUint64(this.size)}};a.FullBox.prototype.writeHeader=function(e){this.size+=4;a.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags);e.writeUint8(this.version);e.writeUint24(this.flags)};a.Box.prototype.write=function(e){if(this.type==="mdat"){if(this.data){this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}}else{this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}};a.ContainerBox.prototype.write=function(e){this.size=0;this.writeHeader(e);for(var t=0;t>3}else{return null}};a.DecoderConfigDescriptor=function(e){a.Descriptor.call(this,t,e)};a.DecoderConfigDescriptor.prototype=new a.Descriptor;a.DecoderConfigDescriptor.prototype.parse=function(e){this.oti=e.readUint8();this.streamType=e.readUint8();this.bufferSize=e.readUint24();this.maxBitrate=e.readUint32();this.avgBitrate=e.readUint32();this.size-=13;this.parseRemainingDescriptors(e)};a.DecoderSpecificInfo=function(e){a.Descriptor.call(this,r,e)};a.DecoderSpecificInfo.prototype=new a.Descriptor;a.SLConfigDescriptor=function(e){a.Descriptor.call(this,i,e)};a.SLConfigDescriptor.prototype=new a.Descriptor;return this};t.exports=i},{"./log":66}],65:[function(e,t,r){var n=e("./box");var i=e("./DataStream");var s=e("./log");var o=function(e){this.stream=e;this.boxes=[];this.mdats=[];this.moofs=[];this.isProgressive=false;this.lastMoofIndex=0;this.lastBoxStartPosition=0;this.parsingMdat=null;this.moovStartFound=false;this.samplesDataSize=0;this.nextParsePosition=0};t.exports=o;o.prototype.mergeNextBuffer=function(){var e;if(this.stream.bufferIndex+1"+this.stream.buffer.byteLength+")");return true}else{return false}}else{return false}};o.prototype.parse=function(){var e;var t;var r;s.d("ISOFile","Starting parsing with buffer #"+this.stream.bufferIndex+" (fileStart: "+this.stream.buffer.fileStart+" - Length: "+this.stream.buffer.byteLength+") from position "+this.lastBoxStartPosition+" ("+(this.stream.buffer.fileStart+this.lastBoxStartPosition)+" in the file)");this.stream.seek(this.lastBoxStartPosition);while(true){if(this.parsingMdat!==null){r=this.parsingMdat;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){s.d("ISOFile","Found 'mdat' end in buffer #"+this.stream.bufferIndex);this.parsingMdat=null;continue}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex);return}}else{this.lastBoxStartPosition=this.stream.position;t=n.parseOneBox(this.stream);if(t.code===n.ERR_NOT_ENOUGH_DATA){if(t.type==="mdat"){r=new n[t.type+"Box"](t.size-t.hdr_size);this.parsingMdat=r;this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+this.stream.position;r.hdr_size=t.hdr_size;this.stream.buffer.usedBytes+=t.hdr_size;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){this.parsingMdat=null;continue}else{if(!this.moovStartFound){this.nextParsePosition=r.fileStart+r.size+r.hdr_size}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex)}return}}else{if(t.type==="moov"){this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}}else if(t.type==="free"){e=this.reposition(false,this.stream.buffer.fileStart+this.stream.position+t.size);if(e){continue}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size;return}}merged=this.mergeNextBuffer();if(merged){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength;continue}else{if(!t.type){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{if(this.moovStartFound){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size}}return}}}else{r=t.box;this.boxes.push(r);switch(r.type){case"mdat":this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+r.start;break;case"moof":this.moofs.push(r);break;case"moov":this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}default:if(this[r.type]!==undefined){s.w("ISOFile","Duplicate Box of type: "+r.type+", overriding previous occurrence")}this[r.type]=r;break}if(r.type==="mdat"){this.stream.buffer.usedBytes+=r.hdr_size}else{this.stream.buffer.usedBytes+=t.size}}}}};o.prototype.reposition=function(e,t){var r;r=this.findPosition(e,t);if(r!==-1){this.stream.buffer=this.stream.nextBuffers[r];this.stream.bufferIndex=r;this.stream.position=t-this.stream.buffer.fileStart;s.d("ISOFile","Repositioning parser at buffer position: "+this.stream.position);return true}else{return false}};o.prototype.findPosition=function(e,t){var r;var n=null;var i=-1;if(e===true){r=0}else{r=this.stream.bufferIndex}while(r=t){s.d("ISOFile","Found position in existing buffer #"+i);return i}else{return-1}}else{return-1}};o.prototype.findEndContiguousBuf=function(e){var t;var r;var n;r=this.stream.nextBuffers[e];if(this.stream.nextBuffers.length>e+1){for(t=e+1;t-1){this.moov.boxes.splice(r,1)}this.moov.mvex=null}this.moov.mvex=new n.mvexBox;this.moov.boxes.push(this.moov.mvex);this.moov.mvex.mehd=new n.mehdBox;this.moov.mvex.boxes.push(this.moov.mvex.mehd);this.moov.mvex.mehd.fragment_duration=this.initial_duration;for(t=0;t0?this.moov.traks[t].samples[0].duration:0;o.default_sample_size=0;o.default_sample_flags=1<<16}this.moov.write(e)};o.prototype.resetTables=function(){var e;var t,r,n,i,s,o,a,f;this.initial_duration=this.moov.mvhd.duration;this.moov.mvhd.duration=0;for(e=0;eg){y++;if(g<0){g=0}g+=a.sample_counts[y]}if(t>0){n.samples[t-1].duration=a.sample_deltas[y];x.dts=n.samples[t-1].dts+n.samples[t-1].duration}else{x.dts=0}if(f){if(t>_){b++;_+=f.sample_counts[b]}x.cts=n.samples[t].dts+f.sample_offsets[b]}else{x.cts=x.dts}if(u){if(t==u.sample_numbers[w]-1){x.is_rap=true;w++}else{x.is_rap=false}}else{x.is_rap=true}if(l){if(l.samples[subs_entry_index].sample_delta+last_subs_sample_index==t){x.subsamples=l.samples[subs_entry_index].subsamples;last_subs_sample_index+=l.samples[subs_entry_index].sample_delta; +}}}if(t>0)n.samples[t-1].duration=n.mdia.mdhd.duration-n.samples[t-1].dts}};o.prototype.updateSampleLists=function(){var e,t,r;var i,s,o,a;var f;var u,h,l,c,d;var p;while(this.lastMoofIndex0){p.dts=c.samples[c.samples.length-2].dts+c.samples[c.samples.length-2].duration}else{if(l.tfdt){p.dts=l.tfdt.baseMediaDecodeTime}else{p.dts=0}c.first_traf_merged=true}p.cts=p.dts;if(m.flags&n.TRUN_FLAGS_CTS_OFFSET){p.cts=p.dts+m.sample_composition_time_offset[r]}sample_flags=a;if(m.flags&n.TRUN_FLAGS_FLAGS){sample_flags=m.sample_flags[r]}else if(r===0&&m.flags&n.TRUN_FLAGS_FIRST_FLAG){sample_flags=m.first_sample_flags}p.is_rap=sample_flags>>16&1?false:true;var v=l.tfhd.flags&n.TFHD_FLAG_BASE_DATA_OFFSET?true:false;var g=l.tfhd.flags&n.TFHD_FLAG_DEFAULT_BASE_IS_MOOF?true:false;var y=m.flags&n.TRUN_FLAGS_DATA_OFFSET?true:false;var _=0;if(!v){if(!g){if(t===0){_=h.fileStart}else{_=f}}else{_=h.fileStart}}else{_=l.tfhd.base_data_offset}if(t===0&&r===0){if(y){p.offset=_+m.data_offset}else{p.offset=_}}else{p.offset=f}f=p.offset+p.size}}if(l.subs){var b=l.first_sample_index;for(t=0;t0){t+=","}t+=r.mdia.minf.stbl.stsd.entries[0].getCodec()}return t};o.prototype.getTrexById=function(e){var t;if(!this.originalMvex)return null;for(t=0;t=r.fileStart&&o.offset+o.alreadyRead=o){console.debug("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},i:function(t,r){if(i>=o){console.info("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},w:function(t,i){if(r>=o){console.warn("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",i)}},e:function(r,i){if(t>=o){console.error("["+n.getDurationString(new Date-e,1e3)+"]","["+r+"]",i)}}};return a}();t.exports=n;n.getDurationString=function(e,t){function r(e,t){var r=""+e;var n=r.split(".");while(n[0].length0){var r="";for(var i=0;i0)r+=",";r+="["+n.getDurationString(e.start(i))+","+n.getDurationString(e.end(i))+"]"}return r}else{return"(empty)"}}},{}],67:[function(e,t,r){var n=e("./box");var s=e("./DataStream");var o=e("./isofile");var a=e("./log");var f=function(){this.inputStream=null;this.nextBuffers=[];this.inputIsoFile=null;this.onMoovStart=null;this.moovStartSent=false;this.onReady=null;this.readySent=false;this.onSegment=null;this.onSamples=null;this.onError=null;this.sampleListBuilt=false;this.fragmentedTracks=[];this.extractedTracks=[];this.isFragmentationStarted=false;this.nextMoofNumber=0};t.exports=f;f.prototype.setSegmentOptions=function(e,t,r){var n=this.inputIsoFile.getTrackById(e);if(n){var i={};this.fragmentedTracks.push(i);i.id=e;i.user=t;i.trak=n;n.nextSample=0;i.segmentStream=null;i.nb_samples=1e3;i.rapAlignement=true;if(r){if(r.nbSamples)i.nb_samples=r.nbSamples;if(r.rapAlignement)i.rapAlignement=r.rapAlignement}}};f.prototype.unsetSegmentOptions=function(e){var t=-1;for(var r=0;r-1){this.fragmentedTracks.splice(t,1)}};f.prototype.setExtractionOptions=function(e,t,r){var n=this.inputIsoFile.getTrackById(e);if(n){var i={};this.extractedTracks.push(i);i.id=e;i.user=t;i.trak=n;n.nextSample=0;i.nb_samples=1e3;i.samples=[];if(r){if(r.nbSamples)i.nb_samples=r.nbSamples}}};f.prototype.unsetExtractionOptions=function(e){var t=-1;for(var r=0;r-1){this.extractedTracks.splice(t,1)}};f.prototype.createSingleSampleMoof=function(e){var t=new n.moofBox;var r=new n.mfhdBox;r.sequence_number=this.nextMoofNumber;this.nextMoofNumber++;t.boxes.push(r);var i=new n.trafBox;t.boxes.push(i);var s=new n.tfhdBox;i.boxes.push(s);s.track_id=e.track_id;s.flags=n.TFHD_FLAG_DEFAULT_BASE_IS_MOOF;var o=new n.tfdtBox;i.boxes.push(o);o.baseMediaDecodeTime=e.dts;var a=new n.trunBox;i.boxes.push(a);t.trun=a;a.flags=n.TRUN_FLAGS_DATA_OFFSET|n.TRUN_FLAGS_DURATION|n.TRUN_FLAGS_SIZE|n.TRUN_FLAGS_FLAGS|n.TRUN_FLAGS_CTS_OFFSET;a.data_offset=0;a.first_sample_flags=0;a.sample_count=1;a.sample_duration=[];a.sample_duration[0]=e.duration;a.sample_size=[];a.sample_size[0]=e.size;a.sample_flags=[];a.sample_flags[0]=0;a.sample_composition_time_offset=[];a.sample_composition_time_offset[0]=e.cts-e.dts;return t};f.prototype.createFragment=function(e,t,r,i){var o=this.inputIsoFile.getTrackById(t);var f=this.inputIsoFile.getSample(o,r);if(f==null){if(this.nextSeekPosition){this.nextSeekPosition=Math.min(o.samples[r].offset,this.nextSeekPosition)}else{this.nextSeekPosition=o.samples[r].offset}return null}var u=i||new s;u.endianness=s.BIG_ENDIAN;var h=this.createSingleSampleMoof(f);h.write(u);h.trun.data_offset=h.size+8;a.d("BoxWriter","Adjusting data_offset with new value "+h.trun.data_offset);u.adjustUint32(h.trun.data_offset_position,h.trun.data_offset);var l=new n.mdatBox;l.data=f.data;l.write(u);return u};ArrayBuffer.concat=function(e,t){a.d("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var r=new Uint8Array(e.byteLength+t.byteLength);r.set(new Uint8Array(e),0);r.set(new Uint8Array(t),e.byteLength);return r.buffer};f.prototype.reduceBuffer=function(e,t,r){var n;n=new Uint8Array(r);n.set(new Uint8Array(e,t,r));n.buffer.fileStart=e.fileStart+t;n.buffer.usedBytes=0;return n.buffer};f.prototype.insertBuffer=function(e){var t=true;for(var r=0;rn.byteLength){this.nextBuffers.splice(r,1);r--;continue}else{a.w("MP4Box","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}}else{if(e.fileStart+e.byteLength<=n.fileStart){}else{e=this.reduceBuffer(e,0,n.fileStart-e.fileStart)}a.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.splice(r,0,e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}t=false;break}else if(e.fileStart0){e=this.reduceBuffer(e,i,s)}else{t=false;break}}}if(t){a.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.push(e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}};f.prototype.processSamples=function(){var e;var t;if(this.isFragmentationStarted&&this.onSegment!==null){for(e=0;e=t.samples.length){a.i("MP4Box","Sending fragmented data on track #"+r.id+" for samples ["+(t.nextSample-r.nb_samples)+","+(t.nextSample-1)+"]");if(this.onSegment){this.onSegment(r.id,r.user,r.segmentStream.buffer,t.nextSample)}r.segmentStream=null;if(r!==this.fragmentedTracks[e]){break}}}}}if(this.onSamples!==null){for(e=0;e=t.samples.length){a.d("MP4Box","Sending samples on track #"+i.id+" for sample "+t.nextSample);if(this.onSamples){this.onSamples(i.id,i.user,i.samples)}i.samples=[];if(i!==this.extractedTracks[e]){break}}}}}};f.prototype.appendBuffer=function(e){var t;var r;if(e===null||e===undefined){throw"Buffer must be defined and non empty"}if(e.fileStart===undefined){throw"Buffer must have a fileStart property"}if(e.byteLength===0){a.w("MP4Box","Ignoring empty buffer (fileStart: "+e.fileStart+")");return}e.usedBytes=0;this.insertBuffer(e);if(!this.inputStream){if(this.nextBuffers.length>0){r=this.nextBuffers[0];if(r.fileStart===0){this.inputStream=new s(r,0,s.BIG_ENDIAN);this.inputStream.nextBuffers=this.nextBuffers;this.inputStream.bufferIndex=0}else{a.w("MP4Box","The first buffer should have a fileStart of 0");return}}else{a.w("MP4Box","No buffer to start parsing from");return}}if(!this.inputIsoFile){this.inputIsoFile=new o(this.inputStream)}this.inputIsoFile.parse();if(this.inputIsoFile.moovStartFound&&!this.moovStartSent){this.moovStartSent=true;if(this.onMoovStart)this.onMoovStart()}if(this.inputIsoFile.moov){if(!this.sampleListBuilt){this.inputIsoFile.buildSampleLists();this.sampleListBuilt=true}this.inputIsoFile.updateSampleLists();if(this.onReady&&!this.readySent){var n=this.getInfo();this.readySent=true;this.onReady(n)}this.processSamples();if(this.nextSeekPosition){t=this.nextSeekPosition;this.nextSeekPosition=undefined}else{t=this.inputIsoFile.nextParsePosition}var i=this.inputIsoFile.findPosition(true,t);if(i!==-1){t=this.inputIsoFile.findEndContiguousBuf(i)}a.i("MP4Box","Next buffer to fetch should have a fileStart position of "+t);return t}else{if(this.inputIsoFile!==null){return this.inputIsoFile.nextParsePosition}else{return 0}}};f.prototype.getInfo=function(){var e={};var t;var r;var n;var s=new Date(4,0,1,0,0,0,0).getTime();e.duration=this.inputIsoFile.moov.mvhd.duration;e.timescale=this.inputIsoFile.moov.mvhd.timescale;e.isFragmented=this.inputIsoFile.moov.mvex!=null;if(e.isFragmented&&this.inputIsoFile.moov.mvex.mehd){e.fragment_duration=this.inputIsoFile.moov.mvex.mehd.fragment_duration}else{e.fragment_duration=0}e.isProgressive=this.inputIsoFile.isProgressive;e.hasIOD=this.inputIsoFile.moov.iods!=null;e.brands=[];e.brands.push(this.inputIsoFile.ftyp.major_brand);e.brands=e.brands.concat(this.inputIsoFile.ftyp.compatible_brands);e.created=new Date(s+this.inputIsoFile.moov.mvhd.creation_time*1e3);e.modified=new Date(s+this.inputIsoFile.moov.mvhd.modification_time*1e3);e.tracks=[];e.audioTracks=[];e.videoTracks=[];e.subtitleTracks=[];e.metadataTracks=[];e.hintTracks=[];e.otherTracks=[];for(i=0;ie*i.timescale){f=r.samples[n-1].offset;h=n-1;break}if(t&&i.is_rap){s=i.offset;o=i.cts;u=n}}if(t){r.nextSample=u;a.i("MP4Box","Seeking to RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+a.getDurationString(o,l)+" and offset: "+s);return{offset:s,time:o/l}}else{r.nextSample=h;a.i("MP4Box","Seeking to non-RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+a.getDurationString(e)+" and offset: "+s);return{offset:f,time:e}}};f.prototype.seek=function(e,t){var r=this.inputIsoFile.moov;var n;var i;var s;var o={offset:Infinity,time:Infinity};if(!this.inputIsoFile.moov){throw"Cannot seek: moov not received!"}else{for(s=0;s1e4)return;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)return;var r=parseFloat(t[1]);var f=(t[2]||"ms").toLowerCase();switch(f){case"years":case"year":case"yrs":case"yr":case"y":return r*a;case"days":case"day":case"d":return r*o;case"hours":case"hour":case"hrs":case"hr":case"h":return r*s;case"minutes":case"minute":case"mins":case"min":case"m":return r*i;case"seconds":case"second":case"secs":case"sec":case"s":return r*n;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return r}}function u(e){if(e>=o)return Math.round(e/o)+"d";if(e>=s)return Math.round(e/s)+"h";if(e>=i)return Math.round(e/i)+"m";if(e>=n)return Math.round(e/n)+"s";return e+"ms"}function h(e){return l(e,o,"day")||l(e,s,"hour")||l(e,i,"minute")||l(e,n,"second")||e+" ms"}function l(e,t,r){if(e0?[e["url-list"]]:[]}t.urlList=(e["url-list"]||[]).map(function(e){return e.toString()});var a=e.info.files||[e.info];t.files=a.map(function(e,r){var n=[].concat(t.name,e["path.utf-8"]||e.path||[]).map(function(e){return e.toString()});return{path:i.join.apply(null,[i.sep].concat(n)).slice(1),name:n[n.length-1],length:e.length,offset:a.slice(0,r).reduce(u,0)}});t.length=a.reduce(u,0);var f=t.files[t.files.length-1];t.pieceLength=e.info["piece length"];t.lastPieceLength=(f.offset+f.length)%t.pieceLength||t.pieceLength;t.pieces=h(e.info.pieces);return t}function f(e){var t={info:e.info};t["announce-list"]=e.announce.map(function(e){if(!t.announce)t.announce=e;e=new r(e,"utf8");return[e]});if(e.created){t["creation date"]=e.created.getTime()/1e3|0}if(e.urlList){t["url-list"]=e.urlList}return n.encode(t)}function u(e,t){return e+t.length}function h(e){var t=[];for(var r=0;r=0;n--){var i=e[n];if(i==="."){e.splice(n,1)}else if(i===".."){e.splice(n,1);r++}else if(r){e.splice(n,1);r--}}if(t){for(;r--;r){e.unshift("..")}}return e}var n=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;var i=function(e){return n.exec(e).slice(1)};r.resolve=function(){var r="",n=false;for(var i=arguments.length-1;i>=-1&&!n;i--){var o=i>=0?arguments[i]:e.cwd();if(typeof o!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!o){continue}r=o+"/"+r;n=o.charAt(0)==="/"}r=t(s(r.split("/"),function(e){return!!e}),!n).join("/");return(n?"/":"")+r||"."};r.normalize=function(e){var n=r.isAbsolute(e),i=o(e,-1)==="/";e=t(s(e.split("/"),function(e){return!!e}),!n).join("/");if(!e&&!n){e="."}if(e&&i){e+="/"}return(n?"/":"")+e};r.isAbsolute=function(e){return e.charAt(0)==="/"};r.join=function(){var e=Array.prototype.slice.call(arguments,0);return r.normalize(s(e,function(e,t){if(typeof e!=="string"){throw new TypeError("Arguments to path.join must be strings")}return e}).join("/"))};r.relative=function(e,t){e=r.resolve(e).substr(1);t=r.resolve(t).substr(1);function n(e){var t=0;for(;t=0;r--){if(e[r]!=="")break}if(t>r)return[];return e.slice(t,r-t+1)}var i=n(e.split("/"));var s=n(t.split("/"));var o=Math.min(i.length,s.length);var a=o;for(var f=0;f1){for(var r=1;r0;return h(i,o,a,function(e){if(!r)r=e;if(e)n.forEach(l);if(o)return;n.forEach(l);t(r)})});return e.reduce(c)};t.exports=d},{"end-of-stream":43,fs:32,once:70}],79:[function(t,r,n){(function(t){(function(i){var s=typeof n=="object"&&n&&!n.nodeType&&n;var o=typeof r=="object"&&r&&!r.nodeType&&r;var a=typeof t=="object"&&t;if(a.global===a||a.window===a||a.self===a){i=a}var f,u=2147483647,h=36,l=1,c=26,d=38,p=700,m=72,v=128,g="-",y=/^xn--/,_=/[^\x20-\x7E]/,b=/[\x2E\u3002\uFF0E\uFF61]/g,w={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid input"},S=h-l,x=Math.floor,k=String.fromCharCode,E;function A(e){throw RangeError(w[e])}function U(e,t){var r=e.length;var n=[];while(r--){n[r]=t(e[r])}return n}function T(e,t){var r=e.split("@");var n="";if(r.length>1){n=r[0]+"@";e=r[1]}e=e.replace(b,".");var i=e.split(".");var s=U(i,t).join(".");return n+s}function I(e){var t=[],r=0,n=e.length,i,s;while(r=55296&&i<=56319&&r65535){e-=65536;t+=k(e>>>10&1023|55296);e=56320|e&1023}t+=k(e);return t}).join("")}function L(e){if(e-48<10){return e-22}if(e-65<26){return e-65}if(e-97<26){return e-97}return h}function C(e,t){return e+22+75*(e<26)-((t!=0)<<5)}function R(e,t,r){var n=0;e=r?x(e/p):e>>1;e+=x(e/t);for(;e>S*c>>1;n+=h){ +e=x(e/S)}return x(n+(S+1)*e/(e+d))}function P(e){var t=[],r=e.length,n,i=0,s=v,o=m,a,f,d,p,y,_,b,w,S;a=e.lastIndexOf(g);if(a<0){a=0}for(f=0;f=128){A("not-basic")}t.push(e.charCodeAt(f))}for(d=a>0?a+1:0;d=r){A("invalid-input")}b=L(e.charCodeAt(d++));if(b>=h||b>x((u-i)/y)){A("overflow")}i+=b*y;w=_<=o?l:_>=o+c?c:_-o;if(bx(u/S)){A("overflow")}y*=S}n=t.length+1;o=R(i-p,n,p==0);if(x(i/n)>u-s){A("overflow")}s+=x(i/n);i%=n;t.splice(i++,0,s)}return B(t)}function F(e){var t,r,n,i,s,o,a,f,d,p,y,_=[],b,w,S,E;e=I(e);b=e.length;t=v;r=0;s=m;for(o=0;o=t&&yx((u-r)/w)){A("overflow")}r+=(a-t)*w;t=a;for(o=0;ou){A("overflow")}if(y==t){for(f=r,d=h;;d+=h){p=d<=s?l:d>=s+c?c:d-s;if(f0&&u>f){u=f}for(var h=0;h=0){d=l.substr(0,c);p=l.substr(c+1)}else{d=l;p=""}m=decodeURIComponent(d);v=decodeURIComponent(p);if(!n(o,m)){o[m]=v}else if(i(o[m])){o[m].push(v)}else{o[m]=[o[m],v]}}return o};var i=Array.isArray||function(e){return Object.prototype.toString.call(e)==="[object Array]"}},{}],81:[function(e,t,r){"use strict";var n=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,r,a){t=t||"&";r=r||"=";if(e===null){e=undefined}if(typeof e==="object"){return s(o(e),function(o){var a=encodeURIComponent(n(o))+r;if(i(e[o])){return s(e[o],function(e){return a+encodeURIComponent(n(e))}).join(t)}else{return a+encodeURIComponent(n(e[o]))}}).join(t)}if(!a)return"";return encodeURIComponent(n(a))+r+encodeURIComponent(n(e))};var i=Array.isArray||function(e){return Object.prototype.toString.call(e)==="[object Array]"};function s(e,t){if(e.map)return e.map(t);var r=[];for(var n=0;n0){if(t.ended&&!i){var o=new Error("stream.push() after EOF");e.emit("error",o)}else if(t.endEmitted&&i){var o=new Error("stream.unshift() after end event");e.emit("error",o)}else{if(t.decoder&&!i&&!n)r=t.decoder.write(r);if(!i)t.reading=false;if(t.flowing&&t.length===0&&!t.sync){e.emit("data",r);e.read(0)}else{t.length+=t.objectMode?1:r.length;if(i)t.buffer.unshift(r);else t.buffer.push(r);if(t.needReadable)S(e)}k(e,t)}}else if(!i){t.reading=false}return v(t)}function v(e){return!e.ended&&(e.needReadable||e.length=g){e=g}else{e--;e|=e>>>1;e|=e>>>2;e|=e>>>4;e|=e>>>8;e|=e>>>16;e++}return e}function _(e,t){if(t.length===0&&t.ended)return 0;if(t.objectMode)return e===0?0:1;if(e===null||isNaN(e)){if(t.flowing&&t.buffer.length)return t.buffer[0].length;else return t.length}if(e<=0)return 0;if(e>t.highWaterMark)t.highWaterMark=y(e);if(e>t.length){if(!t.ended){t.needReadable=true;return 0}else{return t.length}}return e}p.prototype.read=function(e){l("read",e);var t=this._readableState;var r=e;if(typeof e!=="number"||e>0)t.emittedReadable=false;if(e===0&&t.needReadable&&(t.length>=t.highWaterMark||t.ended)){l("read: emitReadable",t.length,t.ended);if(t.length===0&&t.ended)C(this);else S(this);return null}e=_(e,t);if(e===0&&t.ended){if(t.length===0)C(this);return null}var n=t.needReadable;l("need readable",n);if(t.length===0||t.length-e0)i=L(e,t);else i=null;if(i===null){t.needReadable=true;e=0}t.length-=e;if(t.length===0&&!t.ended)t.needReadable=true;if(r!==e&&t.ended&&t.length===0)C(this);if(i!==null)this.emit("data",i);return i};function b(e,t){var r=null;if(!s.isBuffer(t)&&typeof t!=="string"&&t!==null&&t!==undefined&&!e.objectMode){r=new TypeError("Invalid non-string/buffer chunk")}return r}function w(e,t){if(t.ended)return;if(t.decoder){var r=t.decoder.end();if(r&&r.length){t.buffer.push(r);t.length+=t.objectMode?1:r.length}}t.ended=true;S(e)}function S(e){var t=e._readableState;t.needReadable=false;if(!t.emittedReadable){l("emitReadable",t.flowing);t.emittedReadable=true;if(t.sync)n(x,e);else x(e)}}function x(e){l("emit readable");e.emit("readable");B(e)}function k(e,t){if(!t.readingMore){t.readingMore=true;n(E,e,t)}}function E(e,t){var r=t.length;while(!t.reading&&!t.flowing&&!t.ended&&t.length=n){if(i)a=r.join("");else if(r.length===1)a=r[0];else a=s.concat(r,n);r.length=0}else{if(e0)throw new Error("endReadable called on non-empty stream");if(!t.endEmitted){t.ended=true;n(R,t,e)}}function R(e,t){if(!e.endEmitted&&e.length===0){e.endEmitted=true;t.readable=false;t.emit("end")}}function P(e,t){for(var r=0,n=e.length;r-1))throw new TypeError("Unknown encoding: "+e);this._writableState.defaultEncoding=e};function p(e,t,r){if(!e.objectMode&&e.decodeStrings!==false&&typeof t==="string"){t=new i(t,r)}return t}function m(e,t,r,n,s){r=p(t,r,n);if(i.isBuffer(r))n="buffer";var o=t.objectMode?1:r.length;t.length+=o;var a=t.length0;e+=1);return e};var o=function(e,t){for(var r=t>>2;r>2]|=128<<24-(t%4<<3);e[((t>>2)+2&~15)+14]=r>>29;e[((t>>2)+2&~15)+15]=r<<3};var f=function(e,t,r,n,i){var s=this,o,a=i%4,f=n%4,u=n-f;if(u>0){switch(a){case 0:e[i+3|0]=s.charCodeAt(r);case 1:e[i+2|0]=s.charCodeAt(r+1);case 2:e[i+1|0]=s.charCodeAt(r+2);case 3:e[i|0]=s.charCodeAt(r+3)}}for(o=a;o>2]=s.charCodeAt(r+o)<<24|s.charCodeAt(r+o+1)<<16|s.charCodeAt(r+o+2)<<8|s.charCodeAt(r+o+3)}switch(f){case 3:e[i+u+1|0]=s.charCodeAt(r+u+2);case 2:e[i+u+2|0]=s.charCodeAt(r+u+1);case 1:e[i+u+3|0]=s.charCodeAt(r+u)}};var u=function(e,t,r,n,i){var s=this,o,a=i%4,f=n%4,u=n-f;if(u>0){switch(a){case 0:e[i+3|0]=s[r];case 1:e[i+2|0]=s[r+1];case 2:e[i+1|0]=s[r+2];case 3:e[i|0]=s[r+3]}}for(o=4-a;o>2]=s[r+o]<<24|s[r+o+1]<<16|s[r+o+2]<<8|s[r+o+3]}switch(f){case 3:e[i+u+1|0]=s[r+u+2];case 2:e[i+u+2|0]=s[r+u+1];case 1:e[i+u+3|0]=s[r+u]}};var h=function(e,t,r,n,s){var o=this,a,f=s%4,u=n%4,h=n-u;var l=new Uint8Array(i.readAsArrayBuffer(o.slice(r,r+n)));if(h>0){switch(f){case 0:e[s+3|0]=l[0];case 1:e[s+2|0]=l[1];case 2:e[s+1|0]=l[2];case 3:e[s|0]=l[3]}}for(a=4-f;a>2]=l[a]<<24|l[a+1]<<16|l[a+2]<<8|l[a+3]}switch(u){case 3:e[s+h+1|0]=l[h+2];case 2:e[s+h+2|0]=l[h+1];case 1:e[s+h+3|0]=l[h]}};var l=function(e){switch(r.getDataType(e)){case"string":return f.bind(e);case"array":return u.bind(e);case"buffer":return u.bind(e);case"arraybuffer":return u.bind(new Uint8Array(e));case"view":return u.bind(new Uint8Array(e.buffer,e.byteOffset,e.byteLength));case"blob":return h.bind(e)}};var c=function(e,t){switch(r.getDataType(e)){case"string":return e.slice(t);case"array":return e.slice(t);case"buffer":return e.slice(t);case"arraybuffer":return e.slice(t);case"view":return e.buffer.slice(t)}};var d=function(e){var t,r,n="0123456789abcdef",i=[],s=new Uint8Array(e);for(t=0;t>4&15)+n.charAt(r>>0&15)}return i.join("")};var p=function(e){var t;if(e<=65536)return 65536;if(e<16777216){for(t=1;t0){throw new Error("Chunk size must be a multiple of 128 bit")}t.maxChunkLen=e;t.padMaxChunkLen=s(e);t.heap=new ArrayBuffer(p(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};m(e||64*1024);var v=function(e,t){var r=new Int32Array(e,t+320,5);r[0]=1732584193;r[1]=-271733879;r[2]=-1732584194;r[3]=271733878;r[4]=-1009589776};var g=function(e,r){var n=s(e);var i=new Int32Array(t.heap,0,n>>2);o(i,e);a(i,e,r);return n};var y=function(e,r,n){l(e)(t.h8,t.h32,r,n,0)};var _=function(e,r,n,i,s){var o=n;if(s){o=g(n,i)}y(e,r,n);t.core.hash(o,t.padMaxChunkLen)};var b=function(e,t){var r=new Int32Array(e,t+320,5);var n=new Int32Array(5);var i=new DataView(n.buffer);i.setInt32(0,r[0],false);i.setInt32(4,r[1],false);i.setInt32(8,r[2],false);i.setInt32(12,r[3],false);i.setInt32(16,r[4],false);return n};var w=this.rawDigest=function(e){var r=e.byteLength||e.length||e.size||0;v(t.heap,t.padMaxChunkLen);var n=0,i=t.maxChunkLen,s;for(n=0;r>n+i;n+=i){_(e,n,i,r,false)}_(e,n,r-n,r,true);return b(t.heap,t.padMaxChunkLen)};this.digest=this.digestFromString=this.digestFromBuffer=this.digestFromArrayBuffer=function(e){return d(w(e).buffer)}}n._core=function o(e,t,r){"use asm";var n=new e.Int32Array(r);function i(e,t){e=e|0;t=t|0;var r=0,i=0,s=0,o=0,a=0,f=0,u=0,h=0,l=0,c=0,d=0,p=0,m=0,v=0;s=n[t+320>>2]|0;a=n[t+324>>2]|0;u=n[t+328>>2]|0;l=n[t+332>>2]|0;d=n[t+336>>2]|0;for(r=0;(r|0)<(e|0);r=r+64|0){o=s;f=a;h=u;c=l;p=d;for(i=0;(i|0)<64;i=i+4|0){v=n[r+i>>2]|0;m=((s<<5|s>>>27)+(a&u|~a&l)|0)+((v+d|0)+1518500249|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[e+i>>2]=v}for(i=e+64|0;(i|0)<(e+80|0);i=i+4|0){v=(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])<<1|(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])>>>31;m=((s<<5|s>>>27)+(a&u|~a&l)|0)+((v+d|0)+1518500249|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[i>>2]=v}for(i=e+80|0;(i|0)<(e+160|0);i=i+4|0){v=(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])<<1|(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])>>>31;m=((s<<5|s>>>27)+(a^u^l)|0)+((v+d|0)+1859775393|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[i>>2]=v}for(i=e+160|0;(i|0)<(e+240|0);i=i+4|0){v=(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])<<1|(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])>>>31;m=((s<<5|s>>>27)+(a&u|a&l|u&l)|0)+((v+d|0)-1894007588|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[i>>2]=v}for(i=e+240|0;(i|0)<(e+320|0);i=i+4|0){v=(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])<<1|(n[i-12>>2]^n[i-32>>2]^n[i-56>>2]^n[i-64>>2])>>>31;m=((s<<5|s>>>27)+(a^u^l)|0)+((v+d|0)-899497514|0)|0;d=l;l=u;u=a<<30|a>>>2;a=s;s=m;n[i>>2]=v}s=s+o|0;a=a+f|0;u=u+h|0;l=l+c|0;d=d+p|0}n[t+320>>2]=s;n[t+324>>2]=a;n[t+328>>2]=u;n[t+332>>2]=l;n[t+336>>2]=d}return{hash:i}};if(typeof t!=="undefined"){t.exports=n}else if(typeof window!=="undefined"){window.Rusha=n}if(typeof FileReaderSync!=="undefined"){var i=new FileReaderSync,s=new n(4*1024*1024);self.onmessage=function a(e){var t,r=e.data.data;try{t=s.digest(r);self.postMessage({id:e.data.id,hash:t})}catch(n){self.postMessage({id:e.data.id,error:n.name})}}}})()}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],97:[function(e,t,r){(function(r){t.exports=u;var n=e("xtend");var i=e("http");var s=e("https");var o=e("once");var a=e("unzip-response");var f=e("url");function u(e,t){e=typeof e==="string"?{url:e}:n(e);t=o(t);if(e.url)h(e);if(e.headers==null)e.headers={};if(e.maxRedirects==null)e.maxRedirects=10;var r=e.body;e.body=undefined;if(r&&!e.method)e.method="POST";var f=Object.keys(e.headers).some(function(e){return e.toLowerCase()==="accept-encoding"});if(!f)e.headers["accept-encoding"]="gzip, deflate";var l=e.protocol==="https:"?s:i;var c=l.request(e,function(r){if(r.statusCode>=300&&r.statusCode<400&&"location"in r.headers){e.url=r.headers.location;h(e);r.resume();e.maxRedirects-=1;if(e.maxRedirects>0)u(e,t);else t(new Error("too many redirects"));return}t(null,typeof a==="function"?a(r):r)});c.on("error",t);c.end(r);return c}t.exports.concat=function(e,t){return u(e,function(e,n){if(e)return t(e);var i=[];n.on("data",function(e){i.push(e)});n.on("end",function(){t(null,r.concat(i),n)})})};["get","post","put","patch","head","delete"].forEach(function(e){t.exports[e]=function(t,r){if(typeof t==="string")t={url:t};t.method=e.toUpperCase();return u(t,r)}});function h(e){var t=f.parse(e.url);if(t.hostname)e.hostname=t.hostname;if(t.port)e.port=t.port;if(t.protocol)e.protocol=t.protocol;e.path=t.path;delete e.url}}).call(this,e("buffer").Buffer)},{buffer:33,http:103,https:49,once:70,"unzip-response":31,url:114,xtend:120}],98:[function(e,t,r){(function(r){t.exports=l;var n=e("debug")("simple-peer");var i=e("get-browser-rtc");var s=e("hat");var o=e("inherits");var a=e("is-typedarray");var f=e("once");var u=e("stream");var h=e("typedarray-to-buffer");o(l,u.Duplex);function l(e){var t=this;if(!(t instanceof l))return new l(e);t._debug("new peer %o",e);if(!e)e={};e.allowHalfOpen=false;if(e.highWaterMark==null)e.highWaterMark=1024*1024;u.Duplex.call(t,e);t.initiator=e.initiator||false;t.channelConfig=e.channelConfig||l.channelConfig;t.channelName=e.channelName||s(160);if(!e.initiator)t.channelName=null;t.config=e.config||l.config;t.constraints=e.constraints||l.constraints;t.reconnectTimer=e.reconnectTimer||0; +t.sdpTransform=e.sdpTransform||function(e){return e};t.stream=e.stream||false;t.trickle=e.trickle!==undefined?e.trickle:true;t.destroyed=false;t.connected=false;t.remoteAddress=undefined;t.remoteFamily=undefined;t.remotePort=undefined;t.localAddress=undefined;t.localPort=undefined;t._wrtc=e.wrtc||i();if(!t._wrtc){if(typeof window==="undefined"){throw new Error("No WebRTC support: Specify `opts.wrtc` option in this environment")}else{throw new Error("No WebRTC support: Not a supported browser")}}t._maxBufferedAmount=e.highWaterMark;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._pendingCandidates=[];t._chunk=null;t._cb=null;t._interval=null;t._reconnectTimeout=null;t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints);t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t);t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t);t._pc.onicecandidate=t._onIceCandidate.bind(t);if(t.stream)t._pc.addStream(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)});t._pc.onnegotiationneeded=f(t._createOffer.bind(t));if(typeof window==="undefined"||!window.webkitRTCPeerConnection){t._pc.onnegotiationneeded()}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){setTimeout(function(){t._destroy()},100)}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}})}l.WEBRTC_SUPPORT=!!i();l.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};l.constraints={};l.channelConfig={};Object.defineProperty(l.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});l.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};l.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if(typeof e==="string"){try{e=JSON.parse(e)}catch(r){e={}}}t._debug("signal()");function n(e){try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e),c,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: "+r.message))}}if(e.sdp){t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){if(t.destroyed)return;if(t._pc.remoteDescription.type==="offer")t._createAnswer();t._pendingCandidates.forEach(n);t._pendingCandidates=[]},t._onError.bind(t))}if(e.candidate){if(t._pc.remoteDescription)n(e.candidate);else t._pendingCandidates.push(e.candidate)}if(!e.sdp&&!e.candidate){t._destroy(new Error("signal() called with invalid signal data"))}};l.prototype.send=function(e){var t=this;if(!a.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}if(r.isBuffer(e)&&!a.strict(e)){e=new Uint8Array(e)}var n=e.length||e.byteLength||e.size;t._channel.send(e);t._debug("write: %d bytes",n)};l.prototype.destroy=function(e){var t=this;t._destroy(null,e)};l.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.readable=r.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;r._chunk=null;r._cb=null;clearInterval(r._interval);clearTimeout(r._reconnectTimeout);if(r._pc){try{r._pc.close()}catch(e){}r._pc.oniceconnectionstatechange=null;r._pc.onsignalingstatechange=null;r._pc.onicecandidate=null}if(r._channel){try{r._channel.close()}catch(e){}r._channel.onmessage=null;r._channel.onopen=null;r._channel.onclose=null}r._pc=null;r._channel=null;if(e)r.emit("error",e);r.emit("close")};l.prototype._setupData=function(e){var t=this;t._channel=e.channel;t.channelName=t._channel.label;t._channel.binaryType="arraybuffer";t._channel.onmessage=t._onChannelMessage.bind(t);t._channel.onopen=t._onChannelOpen.bind(t);t._channel.onclose=t._onChannelClose.bind(t)};l.prototype._read=function(){};l.prototype._write=function(e,t,r){var n=this;if(n.destroyed)return r(new Error("cannot write after peer is destroyed"));if(n.connected){try{n.send(e)}catch(i){return n._onError(i)}if(n._channel.bufferedAmount>n._maxBufferedAmount){n._debug("start backpressure: bufferedAmount %d",n._channel.bufferedAmount);n._cb=r}else{r(null)}}else{n._debug("write before connect");n._chunk=e;n._cb=r}};l.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,c,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.offerConstraints)};l.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,c,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.answerConstraints)};l.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,r);e.emit("iceConnectionStateChange",t,r);if(r==="connected"||r==="completed"){clearTimeout(e._reconnectTimeout);e._pcReady=true;e._maybeReady()}if(r==="disconnected"){if(e.reconnectTimer){clearTimeout(e._reconnectTimeout);e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)}else{e._destroy()}}if(r==="closed"){e._destroy()}};l.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(e.connected||e._connecting||!e._pcReady||!e._channelReady)return;e._connecting=true;if(!e._pc.getStats){t([])}else if(typeof window!=="undefined"&&!!window.mozRTCPeerConnection){e._pc.getStats(null,function(e){var r=[];e.forEach(function(e){r.push(e)});t(r)},e._onError.bind(e))}else{e._pc.getStats(function(e){var r=[];e.result().forEach(function(e){var t={};e.names().forEach(function(r){t[r]=e.stat(r)});t.id=e.id;t.type=e.type;t.timestamp=e.timestamp;r.push(t)});t(r)})}function t(t){t.forEach(function(t){if(t.type==="remotecandidate"){e.remoteAddress=t.ipAddress;e.remotePort=Number(t.portNumber);e.remoteFamily="IPv4";e._debug("connect remote: %s:%s (%s)",e.remoteAddress,e.remotePort,e.remoteFamily)}else if(t.type==="localcandidate"&&t.candidateType==="host"){e.localAddress=t.ipAddress;e.localPort=Number(t.portNumber);e._debug("connect local: %s:%s",e.localAddress,e.localPort)}});e._connecting=false;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(r){return e._onError(r)}e._chunk=null;e._debug('sent chunk from "write before connect"');var n=e._cb;e._cb=null;n(null)}e._interval=setInterval(function(){if(!e._cb||!e._channel||e._channel.bufferedAmount>e._maxBufferedAmount)return;e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref();e._debug("connect");e.emit("connect")}};l.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e._debug("signalingStateChange %s",e._pc.signalingState);e.emit("signalingStateChange",e._pc.signalingState)};l.prototype._onIceCandidate=function(e){var t=this;if(t.destroyed)return;if(e.candidate&&t.trickle){t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}})}else if(!e.candidate){t._iceComplete=true;t.emit("_iceComplete")}};l.prototype._onChannelMessage=function(e){var t=this;if(t.destroyed)return;var r=e.data;t._debug("read: %d bytes",r.byteLength||r.length);if(r instanceof ArrayBuffer){r=h(new Uint8Array(r));t.push(r)}else{try{r=JSON.parse(r)}catch(n){}t.emit("data",r)}};l.prototype._onChannelOpen=function(){var e=this;if(e.connected||e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};l.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e._destroy()};l.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};l.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t._destroy(e)};l.prototype._debug=function(){var e=this;var t=[].slice.call(arguments);var r=e.channelName&&e.channelName.substring(0,7);t[0]="["+r+"] "+t[0];n.apply(null,t)};function c(){}}).call(this,{isBuffer:e("../is-buffer/index.js")})},{"../is-buffer/index.js":54,debug:39,"get-browser-rtc":47,hat:48,inherits:52,"is-typedarray":56,once:70,stream:102,"typedarray-to-buffer":112}],99:[function(e,t,r){var n=e("rusha");var i=new n;var s=window.crypto||window.msCrypto||{};var o=s.subtle||s.webkitSubtle;var a=i.digest.bind(i);try{o.digest({name:"sha-1"},new Uint8Array).catch(function(){o=false})}catch(f){o=false}function u(e,t){if(!o){setTimeout(t,0,a(e));return}if(typeof e==="string"){e=h(e)}o.digest({name:"sha-1"},e).then(function r(e){t(l(new Uint8Array(e)))},function n(r){t(a(e))})}function h(e){var t=e.length;var r=new Uint8Array(t);for(var n=0;n>>4).toString(16));r.push((i&15).toString(16))}return r.join("")}t.exports=u;t.exports.sync=a},{rusha:96}],100:[function(e,t,r){(function(r){t.exports=h;var n=e("debug")("simple-websocket");var i=e("inherits");var s=e("is-typedarray");var o=e("stream");var a=e("typedarray-to-buffer");var f=e("ws");var u=typeof window!=="undefined"?window.WebSocket:f;i(h,o.Duplex);function h(e,t){var r=this;if(!(r instanceof h))return new h(e,t);if(!t)t={};n("new websocket: %s %o",e,t);t.allowHalfOpen=false;if(t.highWaterMark==null)t.highWaterMark=1024*1024;o.Duplex.call(r,t);r.url=e;r.connected=false;r.destroyed=false;r._maxBufferedAmount=t.highWaterMark;r._chunk=null;r._cb=null;r._interval=null;r._ws=new u(r.url);r._ws.binaryType="arraybuffer";r._ws.onopen=r._onOpen.bind(r);r._ws.onmessage=r._onMessage.bind(r);r._ws.onclose=r._onClose.bind(r);r._ws.onerror=function(){r._onError(new Error("connection error to "+r.url))};r.on("finish",function(){if(r.connected){setTimeout(function(){r._destroy()},100)}else{r.once("connect",function(){setTimeout(function(){r._destroy()},100)})}})}h.WEBSOCKET_SUPPORT=!!u;h.prototype.send=function(e){var t=this;if(!s.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}var i=e.length||e.byteLength||e.size;t._ws.send(e);n("write: %d bytes",i)};h.prototype.destroy=function(e){var t=this;t._destroy(null,e)};h.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);n("destroy (error: %s)",e&&e.message);this.readable=this.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.connected=false;r.destroyed=true;clearInterval(r._interval);r._interval=null;r._chunk=null;r._cb=null;if(r._ws){var i=r._ws;var s=function(){i.onclose=null;r.emit("close")};if(i.readyState===u.CLOSED){s()}else{try{i.onclose=s;i.close()}catch(e){s()}}i.onopen=null;i.onmessage=null;i.onerror=null}r._ws=null;if(e)r.emit("error",e)};h.prototype._read=function(){};h.prototype._write=function(e,t,r){var i=this;if(i.destroyed)return r(new Error("cannot write after socket is destroyed"));if(i.connected){try{i.send(e)}catch(s){return i._onError(s)}if(typeof f!=="function"&&i._ws.bufferedAmount>i._maxBufferedAmount){n("start backpressure: bufferedAmount %d",i._ws.bufferedAmount);i._cb=r}else{r(null)}}else{n("write before connect");i._chunk=e;i._cb=r}};h.prototype._onMessage=function(e){var t=this;if(t.destroyed)return;var i=e.data;n("read: %d bytes",i.byteLength||i.length);if(i instanceof ArrayBuffer){i=a(new Uint8Array(i));t.push(i)}else if(r.isBuffer(i)){t.push(i)}else{try{i=JSON.parse(i)}catch(s){}t.emit("data",i)}};h.prototype._onOpen=function(){var e=this;if(e.connected||e.destroyed)return;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(t){return e._onError(t)}e._chunk=null;n('sent chunk from "write before connect"');var r=e._cb;e._cb=null;r(null)}if(typeof f!=="function"){e._interval=setInterval(function(){if(!e._cb||!e._ws||e._ws.bufferedAmount>e._maxBufferedAmount){return}n("ending backpressure: bufferedAmount %d",e._ws.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref()}n("connect");e.emit("connect")};h.prototype._onClose=function(){var e=this;if(e.destroyed)return;n("on close");e._destroy()};h.prototype._onError=function(e){var t=this;if(t.destroyed)return;n("error: %s",e.message||e);t._destroy(e)}}).call(this,{isBuffer:e("../is-buffer/index.js")})},{"../is-buffer/index.js":54,debug:39,inherits:52,"is-typedarray":56,stream:102,"typedarray-to-buffer":112,ws:31}],101:[function(e,t,r){var n=1;var i=65535;var s=4;var o=function(){n=n+1&i};var a=setInterval(o,1e3/s|0);if(a.unref)a.unref();t.exports=function(e){var t=s*(e||5);var r=[0];var o=1;var a=n-1&i;return function(e){var f=n-a&i;if(f>t)f=t;a=n;while(f--){if(o===t)o=0;r[o]=r[o===0?t-1:o-1];o++}if(e)r[o-1]+=e;var u=r[o-1];var h=r.lengthe._pos){var o=r.substr(e._pos);if(e._charset==="x-user-defined"){var a=new i(o.length);for(var u=0;ue._pos){e.push(new i(new Uint8Array(h.result.slice(e._pos))));e._pos=h.result.byteLength}};h.onload=function(){e.push(null)};h.readAsArrayBuffer(r);break}if(e._xhr.readyState===f.DONE&&e._mode!=="ms-stream"){e.push(null)}}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./capability":104,_process:77,buffer:33,inherits:52,stream:102}],107:[function(e,t,r){var n=e("buffer").Buffer;var i=n.isEncoding||function(e){switch(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 true;default:return false}};function s(e){if(e&&!i(e)){throw new Error("Unknown encoding: "+e)}}var o=r.StringDecoder=function(e){this.encoding=(e||"utf8").toLowerCase().replace(/[-_]/,"");s(e);switch(this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2;this.detectIncompleteChar=f;break;case"base64":this.surrogateSize=3;this.detectIncompleteChar=u;break;default:this.write=a;return}this.charBuffer=new n(6);this.charReceived=0;this.charLength=0};o.prototype.write=function(e){var t="";while(this.charLength){var r=e.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:e.length;e.copy(this.charBuffer,this.charReceived,0,r);this.charReceived+=r;if(this.charReceived=55296&&n<=56319){this.charLength+=this.surrogateSize;t="";continue}this.charReceived=this.charLength=0;if(e.length===0){return t}break}this.detectIncompleteChar(e);var i=e.length;if(this.charLength){e.copy(this.charBuffer,0,e.length-this.charReceived,i);i-=this.charReceived}t+=e.toString(this.encoding,0,i);var i=t.length-1;var n=t.charCodeAt(i);if(n>=55296&&n<=56319){var s=this.surrogateSize;this.charLength+=s;this.charReceived+=s;this.charBuffer.copy(this.charBuffer,s,0,s);e.copy(this.charBuffer,0,0,s);return t.substring(0,i)}return t};o.prototype.detectIncompleteChar=function(e){var t=e.length>=3?3:e.length;for(;t>0;t--){var r=e[e.length-t];if(t==1&&r>>5==6){this.charLength=2;break}if(t<=2&&r>>4==14){this.charLength=3;break}if(t<=3&&r>>3==30){this.charLength=4;break}}this.charReceived=t};o.prototype.end=function(e){var t="";if(e&&e.length)t=this.write(e);if(this.charReceived){var r=this.charReceived;var n=this.charBuffer;var i=this.encoding;t+=n.slice(0,r).toString(i)}return t};function a(e){return e.toString(this.encoding)}function f(e){this.charReceived=e.length%2;this.charLength=this.charReceived?2:0}function u(e){this.charReceived=e.length%3;this.charLength=this.charReceived?3:0}},{buffer:33}],108:[function(e,t,r){var n=e("./thirty-two");r.encode=n.encode;r.decode=n.decode},{"./thirty-two":109}],109:[function(e,t,r){(function(e){var t="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";var n=[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];function i(e){var t=Math.floor(e.length/5);return e.length%5==0?t:t+1}r.encode=function(r){if(!e.isBuffer(r)){r=new e(r)}var n=0;var s=0;var o=0;var a=0;var f=new e(i(r)*8);while(n3){a=u&255>>o;o=(o+5)%8;a=a<>8-o;n++}else{a=u>>8-(o+5)&31;o=(o+5)%8;if(o==0)n++}f[s]=t.charCodeAt(a);s++}for(n=s;n>>r;a[o]=s;o++;s=255&i<<8-r}}else{throw new Error("Invalid input - it is not base32 encoded string")}}return a.slice(0,o)}}).call(this,e("buffer").Buffer)},{buffer:33}],110:[function(e,t,r){(function(r,n){t.exports=c;var i=e("debug")("torrent-discovery");var s=e("bittorrent-dht/client");var o=e("events").EventEmitter;var a=e("xtend/mutable");var f=e("inherits");var u=e("run-parallel");var h=e("re-emitter");var l=e("bittorrent-tracker/client");f(c,o);function c(e){var t=this;if(!(t instanceof c))return new c(e);o.call(t);a(t,{announce:[],dht:typeof s==="function",rtcConfig:null,peerId:null,port:0,tracker:true,wrtc:null},e);t.infoHash=null;t.infoHashBuffer=null;t.torrent=null;t._externalDHT=typeof t.dht==="object";t._performedDHTLookup=false;if(!t.peerId)throw new Error("peerId required");if(!r.browser&&!t.port)throw new Error("port required");if(t.dht)t._createDHT(t.dhtPort)}c.prototype.setTorrent=function(e){var t=this;if(!t.infoHash&&(typeof e==="string"||n.isBuffer(e))){t.infoHash=typeof e==="string"?e:e.toString("hex")}else if(!t.torrent&&e&&e.infoHash){t.torrent=e;t.infoHash=typeof e.infoHash==="string"?e.infoHash:e.infoHash.toString("hex")}else{return}t.infoHashBuffer=new n(t.infoHash,"hex");i("setTorrent %s",t.infoHash);if(t.tracker&&t.tracker!==true){t.tracker.torrentLength=e.length}else{t._createTracker()}if(t.dht){if(t.dht.ready)t._dhtLookupAndAnnounce();else t.dht.on("ready",t._dhtLookupAndAnnounce.bind(t))}};c.prototype.updatePort=function(e){var t=this;if(e===t.port)return;t.port=e;if(t.dht&&t.infoHash){t._performedDHTLookup=false;t._dhtLookupAndAnnounce()}if(t.tracker&&t.tracker!==true){t.tracker.stop();t.tracker.destroy(function(){t._createTracker()})}};c.prototype.stop=function(e){var t=this;var r=[];if(t.tracker&&t.tracker!==true){t.tracker.stop();r.push(function(e){t.tracker.destroy(e)})}if(!t._externalDHT&&t.dht&&t.dht!==true){r.push(function(e){t.dht.destroy(e)})}u(r,e)};c.prototype._createDHT=function(e){var t=this;if(!t._externalDHT)t.dht=new s;h(t.dht,t,["error","warning"]);t.dht.on("peer",function(e,r){if(r===t.infoHash)t.emit("peer",e)});if(!t._externalDHT)t.dht.listen(e)};c.prototype._createTracker=function(){var e=this;if(!e.tracker)return;var t=e.torrent?a({announce:[]},e.torrent):{infoHash:e.infoHash,announce:[]};if(e.announce)t.announce=t.announce.concat(e.announce);var r={rtcConfig:e.rtcConfig,wrtc:e.wrtc};e.tracker=new l(e.peerId,e.port,t,r);h(e.tracker,e,["peer","warning","error"]);e.tracker.on("update",function(t){e.emit("trackerAnnounce",t)});e.tracker.start()};c.prototype._dhtLookupAndAnnounce=function(){var e=this;if(e._performedDHTLookup)return;e._performedDHTLookup=true;i("dht lookup");e.dht.lookup(e.infoHash,function(t){if(t||!e.port)return;i("dht announce");e.dht.announce(e.infoHash,e.port,function(){i("dht announce complete");e.emit("dhtAnnounce")})})}}).call(this,e("_process"),e("buffer").Buffer)},{_process:77,"bittorrent-dht/client":31,"bittorrent-tracker/client":20,buffer:33,debug:39,events:44,inherits:52,"re-emitter":84,"run-parallel":95,"xtend/mutable":121}],111:[function(e,t,r){(function(e){t.exports=n;var r=1<<14;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=false}n.BLOCK_LENGTH=r;n.prototype.chunkLength=function(e){return e===this._chunks-1?this._remainder:r};n.prototype.chunkOffset=function(e){return e*r};n.prototype.reserve=function(){if(!this.init())return-1;if(this._cancellations.length)return this._cancellations.pop();if(this._reservations",'"',"`"," ","\r","\n"," "],h=["{","}","|","\\","^","`"].concat(u),l=["'"].concat(h),c=["%","/","?",";","#"].concat(l),d=["/","?","#"],p=255,m=/^[+a-z0-9A-Z_-]{0,63}$/,v=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,g={javascript:true,"javascript:":true},y={javascript:true,"javascript:":true},_={http:true,https:true,ftp:true,gopher:true,file:true,"http:":true,"https:":true,"ftp:":true,"gopher:":true,"file:":true},b=e("querystring");function w(e,t,r){if(e&&i.isObject(e)&&e instanceof s)return e;var n=new s;n.parse(e,t,r);return n}s.prototype.parse=function(e,t,r){if(!i.isString(e)){throw new TypeError("Parameter 'url' must be a string, not "+typeof e)}var s=e.indexOf("?"),a=s!==-1&&s127){F+="x"}else{F+=P[O]}}if(!F.match(m)){var D=C.slice(0,U);var N=C.slice(U+1);var z=P.match(v);if(z){D.push(z[1]);N.unshift(z[2])}if(N.length){w="/"+N.join(".")+w}this.hostname=D.join(".");break}}}}if(this.hostname.length>p){this.hostname=""}else{this.hostname=this.hostname.toLowerCase()}if(!L){this.hostname=n.toASCII(this.hostname)}var j=this.port?":"+this.port:"";var H=this.hostname||"";this.host=H+j;this.href+=this.host;if(L){this.hostname=this.hostname.substr(1,this.hostname.length-2);if(w[0]!=="/"){w="/"+w}}}if(!g[k]){for(var U=0,R=l.length;U0?r.host.split("@"):false;if(E){r.auth=E.shift();r.host=r.hostname=E.shift()}}r.search=e.search;r.query=e.query;if(!i.isNull(r.pathname)||!i.isNull(r.search)){r.path=(r.pathname?r.pathname:"")+(r.search?r.search:"")}r.href=r.format();return r}if(!x.length){r.pathname=null;if(r.search){r.path="/"+r.search}else{r.path=null}r.href=r.format();return r}var A=x.slice(-1)[0];var U=(r.host||e.host||x.length>1)&&(A==="."||A==="..")||A==="";var T=0;for(var I=x.length;I>=0;I--){A=x[I];if(A==="."){x.splice(I,1)}else if(A===".."){x.splice(I,1);T++}else if(T){x.splice(I,1);T--}}if(!w&&!S){for(;T--;T){x.unshift("..")}}if(w&&x[0]!==""&&(!x[0]||x[0].charAt(0)!=="/")){x.unshift("")}if(U&&x.join("/").substr(-1)!=="/"){x.push("")}var B=x[0]===""||x[0]&&x[0].charAt(0)==="/";if(k){r.hostname=r.host=B?"":x.length?x.shift():"";var E=r.host&&r.host.indexOf("@")>0?r.host.split("@"):false;if(E){r.auth=E.shift();r.host=r.hostname=E.shift()}}w=w||r.host&&x.length;if(w&&!B){x.unshift("")}if(!x.length){r.pathname=null;r.path=null}else{r.pathname=x.join("/")}if(!i.isNull(r.pathname)||!i.isNull(r.search)){r.path=(r.pathname?r.pathname:"")+(r.search?r.search:"")}r.auth=e.auth||r.auth;r.slashes=r.slashes||e.slashes;r.href=r.format();return r};s.prototype.parseHost=function(){var e=this.host;var t=a.exec(e);if(t){t=t[0];if(t!==":"){this.port=t.substr(1)}e=e.substr(0,e.length-t.length)}if(e)this.hostname=e}},{"./util":115,punycode:79,querystring:82}],115:[function(e,t,r){"use strict";t.exports={isString:function(e){return typeof e==="string"},isObject:function(e){return typeof e==="object"&&e!==null},isNull:function(e){return e===null},isNullOrUndefined:function(e){return e==null}}},{}],116:[function(e,t,r){(function(r){var n=e("bencode");var i=e("bitfield");var s=e("events").EventEmitter;var o=e("inherits");var a=e("simple-sha1");var f=1e7;var u=1e3;var h=16*1024;t.exports=function(e){o(t,s);function t(t){s.call(this);this._wire=t;this._metadataComplete=false;this._metadataSize=null;this._remainingRejects=null;this._fetching=false;this._bitfield=new i(0,{grow:u});if(r.isBuffer(e)){this.setMetadata(e)}}t.prototype.name="ut_metadata";t.prototype.onHandshake=function(e,t,r){this._infoHash=e};t.prototype.onExtendedHandshake=function(e){if(!e.m||!e.m.ut_metadata){return this.emit("warning",new Error("Peer does not support ut_metadata"))}if(!e.metadata_size){return this.emit("warning",new Error("Peer does not have metadata"))}if(e.metadata_size>f){return this.emit("warning",new Error("Peer gave maliciously large metadata size"))}this._metadataSize=e.metadata_size;this._numPieces=Math.ceil(this._metadataSize/h);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var i=e.toString();var s=i.indexOf("ee")+2;t=n.decode(i.substring(0,s));r=e.slice(s)}catch(o){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,r,t.total_size);break;case 2:this._onReject(t.piece);break}};t.prototype.fetch=function(){if(this._metadataComplete){return}this._fetching=true;if(this._metadataSize){this._requestPieces()}};t.prototype.cancel=function(){this._fetching=false};t.prototype.setMetadata=function(e){if(this._metadataComplete)return true;try{var t=n.decode(e).info;if(t){e=n.encode(t)}}catch(r){}if(this._infoHash&&this._infoHash!==a.sync(e)){return false}this.cancel();this.metadata=e;this._metadataComplete=true;this._metadataSize=this.metadata.length;this._wire.extendedHandshake.metadata_size=this._metadataSize;this.emit("metadata",n.encode({info:n.decode(this.metadata)}));return true};t.prototype._send=function(e,t){var i=n.encode(e);if(r.isBuffer(t)){i=r.concat([i,t])}this._wire.extended("ut_metadata",i)};t.prototype._request=function(e){this._send({msg_type:0,piece:e})};t.prototype._data=function(e,t,r){var n={msg_type:1,piece:e};if(typeof r==="number"){n.total_size=r}this._send(n,t)};t.prototype._reject=function(e){this._send({msg_type:2,piece:e})};t.prototype._onRequest=function(e){if(!this._metadataComplete){this._reject(e);return}var t=e*h;var r=t+h;if(r>this._metadataSize){r=this._metadataSize}var n=this.metadata.slice(t,r);this._data(e,n,this._metadataSize)};t.prototype._onData=function(e,t,r){if(t.length>h){return}t.copy(this.metadata,e*h);this._bitfield.set(e);this._checkDone()};t.prototype._onReject=function(e){if(this._remainingRejects>0&&this._fetching){this._request(e);this._remainingRejects-=1}else{this.emit("warning",new Error('Peer sent "reject" too much'))}};t.prototype._requestPieces=function(){this.metadata=new r(this._metadataSize);for(var e=0;e0){this._requestPieces()}else{this.emit("warning",new Error("Peer sent invalid metadata"))}};return t}}).call(this,e("buffer").Buffer)},{bencode:11,bitfield:15,buffer:33,events:44,inherits:52,"simple-sha1":99}],117:[function(e,t,r){(function(e){t.exports=r;function r(e,t){if(n("noDeprecation")){return e}var r=false;function i(){if(!r){if(n("throwDeprecation")){throw new Error(t)}else if(n("traceDeprecation")){console.trace(t)}else{console.warn(t)}r=true}return e.apply(this,arguments)}return i}function n(t){try{if(!e.localStorage)return false}catch(r){return false}var n=e.localStorage[t];if(null==n)return false;return String(n).toLowerCase()==="true"}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],118:[function(e,t,r){var n=e("debug")("videostream");var i=e("mp4box");var s=.01;var o=60;t.exports=function(e,t,r){r=r||{};var f=r.debugTrack||-1;var u=[];function h(){t.addEventListener("waiting",S);t.addEventListener("timeupdate",E)}h();var l=false;function c(e){l=true;t.removeEventListener("waiting",S);t.removeEventListener("timeupdate",E);if(p.readyState==="open")p.endOfStream(e)}function d(e){var r=e.buffer.buffered;var i=t.currentTime;var a=-1;for(var f=0;fi){break}else if(a>=0||i<=h){a=h}}var l=a-i;if(l<0)l=0;n("Buffer length: %f",l);return l<=o}var p=new MediaSource;p.addEventListener("sourceopen",function(){w(0)});t.src=window.URL.createObjectURL(p);var m=new i;m.onError=function(e){n("MP4Box error: %s",e.message);if(b){b()}if(p.readyState==="open"){c("decode")}};var v=false;var g={};m.onReady=function(e){n("MP4 info: %o",e);e.tracks.forEach(function(e){var t;if(e.video){t="video/mp4"}else if(e.audio){t="audio/mp4"}else{return}t+='; codecs="'+e.codec+'"';if(MediaSource.isTypeSupported(t)){var r=p.addSourceBuffer(t);var n={buffer:r,arrayBuffers:[],meta:e,ended:false};r.addEventListener("updateend",A.bind(null,n));m.setSegmentOptions(e.id,null,{nbSamples:e.video?1:100});g[e.id]=n}});if(Object.keys(g).length===0){c("decode");return}var t=m.initializeSegmentation();t.forEach(function(e){k(g[e.id],e.buffer);if(e.id===f){a("init-track-"+f+".mp4",[e.buffer]);u.push(e.buffer)}});v=true};m.onSegment=function(e,t,r,n){var i=g[e];k(i,r,n===i.meta.nb_samples);if(e===f&&u){u.push(r);if(n>1e3){a("track-"+f+".mp4",u);u=null}}};var y;var _=null;var b=null;function w(t){if(t===e.length){m.flush();return}if(_&&t===y){var r=_;setTimeout(function(){if(_===r)_.resume()});return}if(_){_.destroy();b()}y=t;var i={start:y,end:e.length-1};_=e.createReadStream(i);function s(e){_.pause();var t=e.toArrayBuffer();t.fileStart=y;y+=t.byteLength;var r;try{r=m.appendBuffer(t)}catch(i){n("MP4Box threw exception: %s",i.message);if(p.readyState==="open"){c("decode")}_.destroy();b();return}w(r)}_.on("data",s);function o(){b();w(y)}_.on("end",o);function a(e){n("Stream error: %s",e.message);if(p.readyState==="open"){c("network")}}_.on("error",a);b=function(){_.removeListener("data",s);_.removeListener("end",o);_.removeListener("error",a);_=null;b=null}}function S(){if(v){x(t.currentTime)}}function x(e){if(l)h();var t=m.seek(e,true);n("Seeking to time: %d",e);n("Seeked file offset: %d",t.offset);w(t.offset)}function k(e,t,r){e.arrayBuffers.push({buffer:t,ended:r||false});A(e)}function E(){Object.keys(g).forEach(function(e){var t=g[e];if(t.blocked){A(t)}})}function A(e){if(e.buffer.updating)return;e.blocked=!d(e);if(e.blocked)return;if(e.arrayBuffers.length===0)return;var t=e.arrayBuffers.shift();var r=false;try{e.buffer.appendBuffer(t.buffer);e.ended=t.ended;r=true}catch(i){n("SourceBuffer error: %s",i.message);c("decode");return}if(r){U()}}function U(){if(p.readyState!=="open"){return}var e=Object.keys(g).every(function(e){var t=g[e];return t.ended&&!t.buffer.updating});if(e){c()}}};function a(e,t){var r=new Blob(t);var n=URL.createObjectURL(r);var i=document.createElement("a");i.setAttribute("href",n);i.setAttribute("download",e);i.click()}},{debug:39,mp4box:67}],119:[function(e,t,r){t.exports=n;function n(e,t){if(e&&t)return n(e)(t);if(typeof e!=="function")throw new TypeError("need wrapper function");Object.keys(e).forEach(function(t){r[t]=e[t]});return r;function r(){var t=new Array(arguments.length);for(var r=0;r0)return new Array(e+(/\./.test(t)?2:1)).join(r)+t;return t+""}},{}],123:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.63.3",author:{name:"Feross Aboukhadijeh",email:"feross@feross.org",url:"http://feross.org/"},bin:{webtorrent:"./bin/cmd.js"},browser:{"./lib/server.js":false,"bittorrent-dht/client":false,"fs-chunk-store":"memory-chunk-store","load-ip-set":false,os:false,"path-exists":false,ut_pex:false},bugs:{url:"https://github.com/feross/webtorrent/issues"},dependencies:{"addr-to-ip-port":"^1.0.1",bitfield:"^1.0.2","bittorrent-dht":"^5.0.0","bittorrent-swarm":"^6.0.0","chunk-store-stream":"^2.0.0",clivas:"^0.2.0","create-torrent":"^3.4.0","cross-spawn-async":"^2.0.0",debug:"^2.1.0","end-of-stream":"^1.0.0",executable:"^2.1.0","fs-chunk-store":"^1.3.4",hat:"0.0.3","immediate-chunk-store":"^1.0.7",inherits:"^2.0.1",inquirer:"^0.11.0","load-ip-set":"^1.0.3",mediasource:"^1.0.0","memory-chunk-store":"^1.2.0",mime:"^1.2.11",minimist:"^1.1.0",moment:"^2.8.3",multistream:"^2.0.2","network-address":"^1.0.0","parse-torrent":"^5.1.0","path-exists":"^2.1.0","pretty-bytes":"^2.0.1",pump:"^1.0.0","random-iterate":"^1.0.1","range-parser":"^1.0.2","re-emitter":"^1.0.0","run-parallel":"^1.0.0","simple-sha1":"^2.0.0",speedometer:"^1.0.0",thunky:"^0.1.0","torrent-discovery":"^4.0.0","torrent-piece":"^1.0.0",uniq:"^1.0.1",ut_metadata:"^3.0.1",ut_pex:"^1.0.1",videostream:"^1.1.4","windows-no-runnable":"0.0.6",xtend:"^4.0.0","zero-fill":"^2.2.0"},devDependencies:{"bittorrent-tracker":"^6.0.0",brfs:"^1.2.0",browserify:"^12.0.1",finalhandler:"^0.4.0","run-auto":"^1.0.0","serve-static":"^1.9.3","simple-get":"^1.0.0",standard:"^5.1.0",tape:"^4.0.0","uglify-js":"^2.4.15",zuul:"^3.0.0"},homepage:"http://webtorrent.io",keywords:["torrent","bittorrent","bittorrent client","streaming","download","webrtc","webrtc data","webtorrent","mad science"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3",chromecasts:"^1.5.3",nodebmc:"0.0.5"},repository:{type:"git",url:"git://github.com/feross/webtorrent.git"},scripts:{build:"browserify -s WebTorrent -e ./ | uglifyjs -m > webtorrent.min.js","build-debug":"browserify -s WebTorrent -e ./ > webtorrent.debug.js",size:"npm run build && cat webtorrent.min.js | gzip | wc -c",test:"standard && node ./bin/test.js","test-browser":"zuul -- test/basic.js","test-browser-local":"zuul --local -- test/basic.js","test-node":"tape test/*.js"}}},{}],124:[function(e,t,r){(function(r,n,i){t.exports=S;var s=e("create-torrent");var o=e("debug")("webtorrent");var a=e("bittorrent-dht/client");var f=e("events").EventEmitter;var u=e("xtend");var h=e("hat");var l=e("inherits");var c=e("load-ip-set");var d=e("run-parallel");var p=e("parse-torrent");var m=e("speedometer");var v=e("zero-fill");var g=e("path");var y=e("./lib/torrent");l(S,f);var _=e("./package.json").version;var b=_.match(/([0-9]+)/g).slice(0,2).map(v(2)).join("");var w="-WW"+b+"-";function S(e){var t=this;if(!(t instanceof S))return new S(e);f.call(t);if(!e)e={};if(!o.enabled)t.setMaxListeners(0);t.destroyed=false;t.torrentPort=e.torrentPort||0;t.tracker=e.tracker!==undefined?e.tracker:true;t._rtcConfig=e.rtcConfig;t._wrtc=e.wrtc||n.WRTC;t.torrents=[];t.downloadSpeed=m();t.uploadSpeed=m();t.peerId=typeof e.peerId==="string"?e.peerId:(e.peerId||new i(w+h(48))).toString("hex");t.peerIdBuffer=new i(t.peerId,"hex");t.nodeId=typeof e.nodeId==="string"?e.nodeId:e.nodeId&&e.nodeId.toString("hex")||h(160);t.nodeIdBuffer=new i(t.nodeId,"hex");if(e.dht!==false&&typeof a==="function"){t.dht=new a(u({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}o("new webtorrent (peerId %s, nodeId %s)",t.peerId,t.nodeId);if(typeof c==="function"){c(e.blocklist,{headers:{"user-agent":"WebTorrent/"+_+" (http://webtorrent.io)"}},function(e,r){if(e)return t.error("Failed to load blocklist: "+e.message);t.blocked=r;s()})}else r.nextTick(s);function s(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(S.prototype,"ratio",{get:function(){var e=this;var t=e.torrents.reduce(function(e,t){return e+t.uploaded},0);var r=e.torrents.reduce(function(e,t){return e+t.downloaded},0)||1;return t/r}});S.prototype.get=function(e){var t=this;if(e instanceof y)return e;var r;try{r=p(e)}catch(n){}if(!r)return null;if(!r.infoHash)throw new Error("Invalid torrent identifier");for(var i=0,s=t.torrents.length;i