build

1 files changed, 9 insertions, 1 deletions

diff --git a/webtorrent.min.js b/webtorrent.min.js
index 8b13789..ea5bd5b 100644
--- a/webtorrent.min.js
+++ b/webtorrent.min.js
@@ -1 +1,9 @@
-
+(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(s,a){if(!t[s]){if(!e[s]){var f=typeof require=="function"&&require;if(!a&&f)return f(s,!0);if(o)return o(s,!0);var u=new Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var c=t[s]={exports:{}};e[s][0].call(c.exports,function(t){var r=e[s][1][t];return i(r?r:t)},c,c.exports,n,e,t,r)}return t[s].exports}var o=typeof require=="function"&&require;for(var s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,t,r){t.exports=s;var n=e("debug")("webtorrent:file-stream");var i=e("inherits");var o=e("readable-stream");i(s,o.Readable);function s(e,t){o.Readable.call(this,t);this.destroyed=false;this._torrent=e._torrent;var r=t&&t.start||0;var n=t&&t.end&&t.end<e.length?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)}s.prototype._read=function(){if(this._reading)return;this._reading=true;this._notify()};s.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._missing<i.length){i=i.slice(0,e._missing)}e._missing-=i.length;n("pushing buffer of length %s",i.length);e._reading=false;e.push(i);if(e._missing===0)e.push(null)});e._piece+=1};s.prototype.destroy=function(){if(this.destroyed)return;this.destroyed=true;if(!this._torrent.destroyed){this._torrent.deselect(this._startPiece,this._endPiece,true)}}},{debug:107,inherits:115,"readable-stream":143}],2:[function(e,t,r){(function(r){t.exports=d;var n=e("end-of-stream");var i=e("events").EventEmitter;var o=e("./file-stream");var s=e("inherits");var a=e("path");var f=e("render-media");var u=e("readable-stream");var c=e("stream-to-blob-url");var l=e("stream-with-known-length-to-buffer");s(d,i);function d(e,t){i.call(this);this._torrent=e;this.name=t.name;this.path=t.path;this.length=t.length;this.offset=t.offset;this.done=false;var r=t.offset;var n=r+t.length-1;this._startPiece=r/this._torrent.pieceLength|0;this._endPiece=n/this._torrent.pieceLength|0;if(this.length===0){this.done=true;this.emit("done")}}d.prototype.select=function(e){if(this.length===0)return;this._torrent.select(this._startPiece,this._endPiece,e)};d.prototype.deselect=function(){if(this.length===0)return;this._torrent.deselect(this._startPiece,this._endPiece,false)};d.prototype.createReadStream=function(e){var t=this;if(this.length===0){var i=new u.PassThrough;r.nextTick(function(){i.end()});return i}var s=new o(t,e);t._torrent.select(s._startPiece,s._endPiece,true,function(){s._notify()});n(s,function(){t._torrent.deselect(s._startPiece,s._endPiece,true)});return s};d.prototype.getBuffer=function(e){l(this.createReadStream(),this.length,e)};d.prototype.getBlobURL=function(e){if(typeof window==="undefined")throw new Error("browser-only method");var t=f.mime[a.extname(this.name).toLowerCase()];c(this.createReadStream(),t,e)};d.prototype.appendTo=function(e,t){if(typeof window==="undefined")throw new Error("browser-only method");f.append(this,e,t)};d.prototype.renderTo=function(e,t){if(typeof window==="undefined")throw new Error("browser-only method");f.render(this,e,t)}}).call(this,e("_process"))},{"./file-stream":1,_process:34,"end-of-stream":110,events:29,inherits:115,path:33,"readable-stream":143,"render-media":144,"stream-to-blob-url":196,"stream-with-known-length-to-buffer":199}],3:[function(e,t,r){t.exports=n;function n(e,t){var r=this;r.pieces=[];r.swarm=e;r.numPieces=t;function n(e){e.on("have",function(e){r.pieces[e]+=1});e.on("bitfield",function(){r.recalculate()});e.on("close",function(){for(var t=0;t<r.numPieces;++t){r.pieces[t]-=e.peerPieces.get(t)}})}r.swarm.wires.forEach(n);r.swarm.on("wire",function(e){r.recalculate();n(e)});r.recalculate()}n.prototype.recalculate=function(){var e=this;for(var t=0;t<e.numPieces;++t){e.pieces[t]=0}e.swarm.wires.forEach(function(t){for(var r=0;r<e.numPieces;++r){e.pieces[r]+=t.peerPieces.get(r)}})};n.prototype.getRarestPiece=function(e){var t=this;var r=[];var n=Infinity;e=e||function(){return true};for(var i=0;i<t.numPieces;++i){if(!e(i))continue;var o=t.pieces[i];if(o===n){r.push(i)}else if(o<n){r=[i];n=o}}if(r.length>0){return r[Math.random()*r.length|0]}else{return-1}}},{}],4:[function(e,t,r){(function(r,n){t.exports=F;var i=e("addr-to-ip-port");var o=e("bitfield");var s=e("chunk-store-stream/write");var a=e("cpus");var f=e("create-torrent");var u=e("debug")("webtorrent:torrent");var c=e("torrent-discovery");var l=e("events").EventEmitter;var d=e("xtend/mutable");var h=e("fs-chunk-store");var p=e("immediate-chunk-store");var m=e("inherits");var v=e("multistream");var g=e("os");var y=e("run-parallel");var _=e("run-parallel-limit");var b=e("parse-torrent");var w=e("path");var E=e("path-exists");var x=e("torrent-piece");var k=e("pump");var S=e("random-iterate");var B=e("re-emitter");var I=e("simple-sha1");var A=e("bittorrent-swarm");var C=e("uniq");var T=e("ut_metadata");var L=e("ut_pex");var R=e("./file");var U=e("./rarity-map");var P=e("./server");var j=128*1024;var O=3e4;var M=5e3;var D=3*x.BLOCK_LENGTH;var N=.5;var H=1;var q=1e4;var z=2;var W=typeof E.sync==="function"?w.join(E.sync("/tmp")?"/tmp":g.tmpDir(),"webtorrent"):"/tmp/webtorrent";m(F,l);function F(e,t){l.call(this);if(!u.enabled)this.setMaxListeners(0);u("new torrent");this.client=t.client;this.announce=t.announce;this.urlList=t.urlList;this.path=t.path;this._store=t.store||h;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.pieces=[];this._selections=[];this._critical=[];this._servers=[];if(e!=null)this._onTorrentId(e)}Object.defineProperty(F.prototype,"timeRemaining",{get:function(){if(this.done)return 0;if(!this.swarm||this.swarm.downloadSpeed()===0)return Infinity;return(this.length-this.downloaded)/this.swarm.downloadSpeed()*1e3}});Object.defineProperty(F.prototype,"downloaded",{get:function(){if(!this.bitfield)return 0;var e=0;for(var t=0,r=this.pieces.length;t<r;++t){if(this.bitfield.get(t)){e+=t===r-1?this.lastPieceLength:this.pieceLength}else{var n=this.pieces[t];e+=n.length-n.missing}}return e}});Object.defineProperty(F.prototype,"received",{get:function(){return this.swarm?this.swarm.downloaded:0}});Object.defineProperty(F.prototype,"uploaded",{get:function(){return this.swarm?this.swarm.uploaded:0}});Object.defineProperty(F.prototype,"progress",{get:function(){return this.length?this.downloaded/this.length:0}});Object.defineProperty(F.prototype,"ratio",{get:function(){return this.uploaded/(this.downloaded||1)}});Object.defineProperty(F.prototype,"downloadSpeed",{get:function(){return this.swarm?this.swarm.downloadSpeed():0}});Object.defineProperty(F.prototype,"uploadSpeed",{get:function(){return this.swarm?this.swarm.uploadSpeed():0}});Object.defineProperty(F.prototype,"numPeers",{get:function(){return this.swarm?this.swarm.numPeers:0}});Object.defineProperty(F.prototype,"torrentFileBlobURL",{get:function(){if(typeof window==="undefined")throw new Error("browser-only property");if(!this.torrentFile)return null;return URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"}))}});F.prototype._onTorrentId=function(e){var t=this;if(t.destroyed)return;b.remote(e,function(e,r){if(t.destroyed)return;if(e)return t._onError(e);t._onParsedTorrent(r)})};F.prototype._onParsedTorrent=function(e){var t=this;if(t.destroyed)return;t._processParsedTorrent(e);if(!t.infoHash){return t._onError(new Error("Malformed torrent data: No info hash"))}if(!t.path)t.path=w.join(W,t.infoHash);t.swarm=new A(t.infoHash,t.client.peerId,{handshake:{dht:t.private?false:!!t.client.dht},maxConns:t.client.maxConns});t.swarm.on("error",t._onError.bind(t));t.swarm.on("wire",t._onWire.bind(t));t.swarm.on("download",function(e){t.client._downloadSpeed(e);t.client.emit("download",e);t.emit("download",e)});t.swarm.on("upload",function(e){t.client._uploadSpeed(e);t.client.emit("upload",e);t.emit("upload",e)});t.swarm.listen(t.client.torrentPort,t._onSwarmListening.bind(t));t.emit("infoHash",t.infoHash)};F.prototype._processParsedTorrent=function(e){if(this.announce){e.announce=e.announce.concat(this.announce)}if(this.client.tracker&&n.WEBTORRENT_ANNOUNCE){e.announce=e.announce.concat(n.WEBTORRENT_ANNOUNCE)}if(this.client.tracker&&e.announce.length===0){e.announce=f.announceList.map(function(e){return e[0]})}if(this.urlList){e.urlList=e.urlList.concat(this.urlList)}C(e.announce);C(e.urlList);d(this,e);this.magnetURI=b.toMagnetURI(e);this.torrentFile=b.toTorrentFile(e)};F.prototype._onSwarmListening=function(){var e=this;if(e.destroyed)return;if(e.swarm.server)e.client.torrentPort=e.swarm.address().port;e.discovery=new c({announce:e.announce,dht:e.private?false:e.client.dht,tracker:e.client.tracker,peerId:e.client.peerId,port:e.client.torrentPort,rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc});e.discovery.on("error",e._onError.bind(e));e.discovery.on("peer",e.addPeer.bind(e));B(e.discovery,e,["trackerAnnounce","dhtAnnounce","warning"]);if(e.info)e._onMetadata(e);else e.discovery.setTorrent(e.infoHash);e.emit("listening",e.client.torrentPort)};F.prototype._onMetadata=function(e){var t=this;if(t.metadata||t.destroyed)return;u("got metadata");var r;if(e&&e.infoHash){r=e}else{try{r=b(e)}catch(n){return t._onError(n)}}t._processParsedTorrent(r);t.metadata=t.torrentFile;t.discovery.setTorrent(t);if(t.urlList)t.urlList.forEach(t.addWebSeed.bind(t));t.rarityMap=new U(t.swarm,t.pieces.length);t.store=new p(new t._store(t.pieceLength,{files:t.files.map(function(e){return{path:w.join(t.path,e.path),length:e.length,offset:e.offset}}),length:t.length}));t.files=t.files.map(function(e){return new R(t,e)});t._hashes=t.pieces;t.pieces=t.pieces.map(function(e,r){var n=r===t.pieces.length-1?t.lastPieceLength:t.pieceLength;return new x(n)});t._reservations=t.pieces.map(function(){return[]});t.bitfield=new o(t.pieces.length);t.swarm.wires.forEach(function(e){if(e.ut_metadata)e.ut_metadata.setMetadata(t.metadata);t._onWireWithMetadata(e)});u("verifying existing torrent data");_(t.pieces.map(function(e,r){return function(e){t.store.get(r,function(n,i){if(n)return e(null);I(i,function(n){if(n===t._hashes[r]){if(!t.pieces[r])return;u("piece verified %s",r);t.pieces[r]=null;t._reservations[r]=null;t.bitfield.set(r,true)}else{u("piece invalid %s",r)}e(null)})})}}),a().length,function(e){if(e)return t._onError(e);u("done verifying");t._onStore()});t.emit("metadata")};F.prototype._onStore=function(){var e=this;if(e.destroyed)return;u("on store");e.select(0,e.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),q);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();e.ready=true;e.emit("ready");e._checkDone()};F.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;u("destroy");t.client.remove(t);if(t._rechokeIntervalId){clearInterval(t._rechokeIntervalId);t._rechokeIntervalId=null}var r=[];t._servers.forEach(function(e){r.push(function(t){e.destroy(t)})});if(t.swarm)r.push(function(e){t.swarm.destroy(e)});if(t.discovery)r.push(function(e){t.discovery.stop(e)});if(t.store)r.push(function(e){t.store.close(e)});y(r,e)};F.prototype.addPeer=function(e){var t=this;if(t.destroyed)throw new Error("torrent is destroyed");function r(){t.swarm.addPeer(e);t.emit("peer",e)}if(t.client.blocked){var n=typeof e==="string"?e:e.remoteAddress;if(n&&t.client.blocked.contains(i(n)[0])){t.numBlockedPeers+=1;t.emit("blockedPeer",e);return false}}if(t.swarm)r();else t.once("listening",r);return true};F.prototype.addWebSeed=function(e){if(this.destroyed)throw new Error("torrent is destroyed");u("add web seed %s",e);this.swarm.addWebSeed(e,this)};F.prototype.select=function(e,t,r,n){var i=this;if(i.destroyed)throw new Error("torrent is destroyed");if(e>t||e<0||t>=i.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;u("select %s-%s (priority %s)",e,t,r);i._selections.push({from:e,to:t,offset:0,priority:r,notify:n||$});i._selections.sort(function(e,t){return t.priority-e.priority});i._updateSelections()};F.prototype.deselect=function(e,t,r){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");r=Number(r)||0;u("deselect %s-%s (priority %s)",e,t,r);for(var i=0;i<n._selections.length;++i){var o=n._selections[i];if(o.from===e&&o.to===t&&o.priority===r){n._selections.splice(i--,1);break}}n._updateSelections()};F.prototype.critical=function(e,t){var r=this;if(r.destroyed)throw new Error("torrent is destroyed");u("critical %s-%s",e,t);for(var n=e;n<=t;++n){r._critical[n]=true}r._updateSelections()};F.prototype._onWire=function(e,t){var r=this;u("got wire (%s)",t||"Unknown");if(t){var n=i(t);e.remoteAddress=n[0];e.remotePort=n[1]}if(e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening){e.on("port",function(t){if(!e.remoteAddress)return u("ignoring PORT from peer with no address");if(t===0||t>65536)return u("ignoring invalid PORT from peer");u("port: %s (from %s)",t,e.remoteAddress+":"+e.remotePort);r.client.dht.addNode({host:e.remoteAddress,port:t})});e.port(r.client.dht.address().port)}e.on("timeout",function(){u("wire timeout (%s)",t);e.destroy()});e.setTimeout(O,true);e.setKeepAlive(true);e.use(T(r.metadata));e.ut_metadata.on("warning",function(e){u("ut_metadata warning: %s",e.message)});if(!r.metadata){e.ut_metadata.on("metadata",function(e){u("got metadata via ut_metadata");r._onMetadata(e)});e.ut_metadata.fetch()}if(typeof L==="function"&&!r.private){e.use(L());e.ut_pex.on("peer",function(e){u("ut_pex: got peer: %s (from %s)",e,t);r.addPeer(e)});e.ut_pex.on("dropped",function(e){var n=r.swarm._peers[e];if(n&&!n.connected){u("ut_pex: dropped peer: %s (from %s)",e,t);r.swarm.removePeer(e)}})}r.emit("wire",e,t);if(r.metadata){r._onWireWithMetadata(e)}};F.prototype._onWireWithMetadata=function(e){var t=this;var r=null;function n(){if(t.destroyed||e.destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(n,M);if(r.unref)r.unref()}}var i=0;function o(){if(e.peerPieces.length!==t.pieces.length)return;for(;i<t.pieces.length;++i){if(!e.peerPieces.get(i))return}e.isSeeder=true;e.choke()}e.on("bitfield",function(){o();t._update()});e.on("have",function(){o();t._update()});e.once("interested",function(){e.unchoke()});e.on("close",function(){clearTimeout(r)});e.on("choke",function(){clearTimeout(r);r=setTimeout(n,M);if(r.unref)r.unref()});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,n,i,o){if(i>j){return e.destroy()}if(t.pieces[r])return;t.store.get(r,{offset:n,length:i},o)});e.bitfield(t.bitfield);e.interested();r=setTimeout(n,M);if(r.unref)r.unref();e.isSeeder=false;o()};F.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()};F.prototype._gcSelections=function(){var e=this;for(var t=0;t<e._selections.length;t++){var r=e._selections[t];var n=r.offset;while(e.bitfield.get(r.from+r.offset)&&r.from+r.offset<r.to){r.offset++}if(n!==r.offset)r.notify();if(r.to!==r.from+r.offset)continue;if(!e.bitfield.get(r.from+r.offset))continue;e._selections.splice(t--,1);r.notify();e._updateInterest()}if(!e._selections.length)e.emit("idle")};F.prototype._updateInterest=function(){var e=this;var t=e._amInterested;e._amInterested=!!e._selections.length;e.swarm.wires.forEach(function(t){if(e._amInterested)t.interested();else t.uninterested()});if(t===e._amInterested)return;if(e._amInterested)e.emit("interested");else e.emit("uninterested")};F.prototype._update=function(){var e=this;if(e.destroyed)return;var t=S(e.swarm.wires);var r;while(r=t()){e._updateWire(r)}};F.prototype._updateWire=function(e){var t=this;if(e.peerChoking)return;if(!e.downloaded)return o();var r=Y(e,N);if(e.requests.length>=r)return;var n=Y(e,H);f(false)||f(true);function i(t,r,n,i){return function(o){return o>=t&&o<=r&&!(o in n)&&e.peerPieces.get(o)&&(!i||i(o))}}function o(){if(e.requests.length)return;var r=t._selections.length;while(r--){var n=t._selections[r];var o;if(t.strategy==="rarest"){var s=n.from+n.offset;var a=n.to;var f=a-s+1;var u={};var c=0;var l=i(s,a,u);while(c<f){o=t.rarityMap.getRarestPiece(l);if(o<0)break;if(t._request(e,o,false))return;u[o]=true;c+=1}}else{for(o=n.to;o>=n.from+n.offset;--o){if(!e.peerPieces.get(o))continue;if(t._request(e,o,false))return}}}}function s(){var r=e.downloadSpeed()||1;if(r>D)return function(){return true};var n=Math.max(1,e.requests.length)*x.BLOCK_LENGTH/r;var i=10;var o=0;return function(e){if(!i||t.bitfield.get(e))return true;var s=t.pieces[e].missing;for(;o<t.swarm.wires.length;o++){var a=t.swarm.wires[o];var f=a.downloadSpeed();if(f<D)continue;if(f<=r)continue;if(!a.peerPieces.get(e))continue;if((s-=f*n)>0)continue;i--;return false}return true}}function a(e){var r=e;for(var n=e;n<t._selections.length&&t._selections[n].priority;n++){r=n}var i=t._selections[e];t._selections[e]=t._selections[r];t._selections[r]=i}function f(r){if(e.requests.length>=n)return true;var o=s();for(var f=0;f<t._selections.length;f++){var u=t._selections[f];var c;if(t.strategy==="rarest"){var l=u.from+u.offset;var d=u.to;var h=d-l+1;var p={};var m=0;var v=i(l,d,p,o);while(m<h){c=t.rarityMap.getRarestPiece(v);if(c<0)break;while(t._request(e,c,t._critical[c]||r)){}if(e.requests.length<n){p[c]=true;m++;continue}if(u.priority)a(f);return true}}else{for(c=u.from+u.offset;c<=u.to;c++){if(!e.peerPieces.get(c)||!o(c))continue;while(t._request(e,c,t._critical[c]||r)){}if(e.requests.length<n)continue;if(u.priority)a(f);return true}}}return false}};F.prototype._rechoke=function(){var e=this;if(e._rechokeOptimisticTime>0)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(s);var r=0;var n=0;for(;n<t.length&&r<e._rechokeNumSlots;++n){t[n].isChoked=false;if(t[n].wire.peerInterested)r+=1}if(!e._rechokeOptimisticWire&&n<t.length&&e._rechokeNumSlots){var i=t.slice(n).filter(function(e){return e.wire.peerInterested});var o=i[V(i.length)];if(o){o.isChoked=false;e._rechokeOptimisticWire=o.wire;e._rechokeOptimisticTime=z}}t.forEach(function(e){if(e.wire.amChoking!==e.isChoked){if(e.isChoked)e.wire.choke();else e.wire.unchoke()}});function s(e,t){if(e.downloadSpeed!==t.downloadSpeed){return t.downloadSpeed-e.downloadSpeed}if(e.uploadSpeed!==t.uploadSpeed){return t.uploadSpeed-e.uploadSpeed}if(e.wire.amChoking!==t.wire.amChoking){return e.wire.amChoking?1:-1}return e.salt-t.salt}};F.prototype._hotswap=function(e,t){var r=this;var n=e.downloadSpeed();if(n<x.BLOCK_LENGTH)return false;if(!r._reservations[t])return false;var i=r._reservations[t];if(!i){return false}var o=Infinity;var s;var a;for(a=0;a<i.length;a++){var f=i[a];if(!f||f===e)continue;var u=f.downloadSpeed();if(u>=D)continue;if(2*u>n||u>o)continue;s=f;o=u}if(!s)return false;for(a=0;a<i.length;a++){if(i[a]===s)i[a]=null}for(a=0;a<s.requests.length;a++){var c=s.requests[a];if(c.piece!==t)continue;r.pieces[t].cancel(c.offset/x.BLOCK_SIZE|0)}r.emit("hotswap",s,e,t);return true};F.prototype._request=function(e,t,n){var i=this;var o=e.requests.length;if(i.bitfield.get(t))return false;var s=Y(e,H);if(o>=s)return false;var a=i.pieces[t];var f=a.reserve();if(f===-1&&n&&i._hotswap(e,t)){f=a.reserve()}if(f===-1)return false;var c=i._reservations[t];if(!c)c=i._reservations[t]=[];var l=c.indexOf(null);if(l===-1)l=c.length;c[l]=e;var d=a.chunkOffset(f);var h=a.chunkLength(f);e.request(t,d,h,function m(r,n){if(!i.ready)return i.once("ready",function(){m(r,n)});if(c[l]===e)c[l]=null;if(a!==i.pieces[t])return p();if(r){u("error getting piece %s (offset: %s length: %s) from %s: %s",t,d,h,e.remoteAddress+":"+e.remotePort,r.message);a.cancel(f);p();return}u("got piece %s (offset: %s length: %s) from %s",t,d,h,e.remoteAddress+":"+e.remotePort);if(!a.set(f,n,e))return p();var o=a.flush();I(o,function(e){if(e===i._hashes[t]){if(!i.pieces[t])return;u("piece verified %s",t);i.pieces[t]=null;i._reservations[t]=null;i.bitfield.set(t,true);i.store.put(t,o);i.swarm.wires.forEach(function(e){e.have(t)});i._checkDone()}else{i.pieces[t]=new x(a.length);i.emit("warning",new Error("Piece "+t+" failed verification"))}p()})});function p(){r.nextTick(function(){i._update()})}return true};F.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");u("file done: "+t.name)});var t=true;for(var r=0;r<e._selections.length;r++){var n=e._selections[r];for(var i=n.from;i<=n.to;i++){if(!e.bitfield.get(i)){t=false;break}}if(!t)break}if(!e.done&&t){e.done=true;e.emit("done");u("torrent done: "+e.infoHash);if(e.discovery.tracker)e.discovery.tracker.complete()}e._gcSelections()};F.prototype.load=function(e,t){var r=this;if(r.destroyed)throw new Error("torrent is destroyed");if(!r.ready)return r.once("ready",function(){r.load(e,t)});if(!Array.isArray(e))e=[e];if(!t)t=$;var n=new v(e);var i=new s(r.store,r.pieceLength);k(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)})};F.prototype.createServer=function(e){if(typeof P!=="function")throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");var t=new P(this,e);this._servers.push(t);return t};F.prototype.pause=function(){if(this.destroyed)return;this.swarm.pause()};F.prototype.resume=function(){if(this.destroyed)return;this.swarm.resume()};F.prototype._onError=function(e){var t=this;u("torrent error: %s",e.message||e);t.emit("error",e);t.destroy()};function Y(e,t){return Math.ceil(2+t*e.downloadSpeed()/x.BLOCK_LENGTH)}function V(e){return Math.random()*e|0}function $(){}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./file":2,"./rarity-map":3,"./server":24,_process:34,"addr-to-ip-port":5,bitfield:6,"bittorrent-swarm":7,"chunk-store-stream/write":77,cpus:78,"create-torrent":79,debug:107,events:29,"fs-chunk-store":116,"immediate-chunk-store":114,inherits:115,multistream:117,os:24,"parse-torrent":118,path:33,"path-exists":24,pump:128,"random-iterate":131,"re-emitter":132,"run-parallel":184,"run-parallel-limit":183,"simple-sha1":193,"torrent-discovery":202,"torrent-piece":203,uniq:204,ut_metadata:205,ut_pex:24,"xtend/mutable":211}],5:[function(e,t,r){var n=/^\[?([^\]]+)\]?:(\d+)$/;var i={};var o=0;t.exports=function s(e){if(o===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])];o+=1}return i[e]};t.exports.reset=function a(){i={};o=0}},{}],6:[function(e,t,r){(function(e){var r=typeof e!=="undefined"?e:typeof Int8Array!=="undefined"?Int8Array:function(e){var t=new Array(e);for(var r=0;r<e;r++)t[r]=0};function n(e,t){if(!(this instanceof n)){return new n(e,t)}if(arguments.length===0){e=0}this.grow=t&&(isFinite(t.grow)&&i(t.grow)||t.grow)||0;if(typeof e==="number"||e===undefined){e=new r(i(e));if(e.fill&&!e._isBuffer)e.fill(0)}this.buffer=e}function i(e){var t=e>>3;if(e%8!==0)t++;return t}n.prototype.get=function(e){var t=e>>3;return t<this.buffer.length&&!!(this.buffer[t]&128>>e%8)};n.prototype.set=function(e,t){var r=e>>3;if(t||arguments.length===1){if(this.buffer.length<r+1)this._grow(Math.max(r+1,Math.min(2*this.buffer.length,this.grow)));this.buffer[r]|=128>>e%8}else if(r<this.buffer.length){this.buffer[r]&=~(128>>e%8)}};n.prototype._grow=function(e){if(this.buffer.length<e&&e<=this.grow){var t=new r(e);if(t.fill)t.fill(0);if(this.buffer.copy)this.buffer.copy(t,0);else{for(var n=0;n<this.buffer.length;n++){t[n]=this.buffer[n]}}this.buffer=t}};if(typeof t!=="undefined")t.exports=n}).call(this,e("buffer").Buffer)},{buffer:25}],7:[function(e,t,r){(function(r,n){t.exports=p;var i=e("addr-to-ip-port");var o=e("debug")("bittorrent-swarm");var s=e("events").EventEmitter;var a=e("inherits");var f=e("net");var u=e("speedometer");var c=e("./lib/peer");var l=e("./lib/tcp-pool");var d=55;var h=[1e3,5e3,15e3];a(p,s);function p(e,t,r){var i=this;if(!(i instanceof p))return new p(e,t,r);s.call(i);i.infoHash=typeof e==="string"?e:e.toString("hex");i.infoHashBuffer=new n(i.infoHash,"hex");i.peerId=typeof t==="string"?t:t.toString("hex");i.peerIdBuffer=new n(i.peerId,"hex");if(!r)r={};o("new swarm (i %s p %s)",i.infoHash,i.peerId);i.handshakeOpts=r.handshake;i.maxConns=Number(r.maxConns)||d;i.destroyed=false;i.listening=false;i.paused=false;i.server=null;i.wires=[];i._queue=[];i._peers={};i._peersLength=0;i._port=0;i.downloaded=0;i.uploaded=0;i.downloadSpeed=u();i.uploadSpeed=u()}Object.defineProperty(p.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}});Object.defineProperty(p.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}});Object.defineProperty(p.prototype,"numConns",{get:function(){var e=this;var t=0;for(var r in e._peers){var n=e._peers[r];if(n&&n.connected)t+=1}return t}});Object.defineProperty(p.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}});p.prototype.addPeer=function(e){var t=this;t._addPeer(e)};p.prototype._addPeer=function(e){var t=this;if(t.destroyed){if(e&&e.destroy)e.destroy(new Error("swarm already destroyed"));return null}if(typeof e==="string"&&!t._validAddr(e)){o("ignoring invalid peer %s (from swarm.addPeer)",e);return null}var r=e&&e.id||e;if(t._peers[r])return;o("addPeer %s",r);var n;if(typeof e==="string"){n=c.createOutgoingTCPPeer(e,t)}else{if(t.paused){e.destroy(new Error("swarm paused"));return null}n=c.createWebRTCPeer(e,t)}t._peers[n.id]=n;t._peersLength+=1;if(typeof e==="string"){t._queue.push(n);t._drain()}return n};p.prototype.addWebSeed=function(e,t){var r=this;if(r.destroyed)return;if(!/^https?:\/\/.+/.test(e)){o("ignoring invalid web seed %s (from swarm.addWebSeed)",e);return}if(r._peers[e])return;o("addWebSeed %s",e);var n=c.createWebPeer(e,t,r);r._peers[n.id]=n;r._peersLength+=1};p.prototype._addIncomingPeer=function(e){var t=this;if(t.destroyed)return e.destroy(new Error("swarm already destroyed"));if(t.paused)return e.destroy(new Error("swarm paused"));if(!t._validAddr(e.addr)){return e.destroy(new Error("invalid addr "+e.addr+" (from incoming)"))}o("_addIncomingPeer %s",e.id);t._peers[e.id]=e;t._peersLength+=1};p.prototype.removePeer=function(e){var t=this;var r=t._peers[e];if(!r)return;o("removePeer %s",e);t._peers[e]=null;t._peersLength-=1;r.destroy();t._drain()};p.prototype.pause=function(){var e=this;if(e.destroyed)return;o("pause");e.paused=true};p.prototype.resume=function(){var e=this;if(e.destroyed)return;o("resume");e.paused=false;e._drain()};p.prototype.listen=function(e,t,n){var i=this;if(typeof t==="function"){n=t;t=undefined}if(i.listening)throw new Error("swarm already listening");if(n)i.once("listening",n);if(typeof l==="function"){i._port=e||l.getDefaultListenPort(i.infoHash);i._hostname=t;o("listen %s",e);var s=l.addSwarm(i);i.server=s.server}else{r.nextTick(function(){i._onListening(0)})}};p.prototype._onListening=function(e){var t=this;t._port=e;t.listening=true;t.emit("listening")};p.prototype.address=function(){var e=this;if(!e.listening)return null;return e.server?e.server.address():{port:0,family:"IPv4",address:"127.0.0.1"}};p.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.listening=false;t.paused=false;if(e)t.once("close",e);o("destroy");for(var n in t._peers){t.removePeer(n)}if(typeof l==="function"){l.removeSwarm(t,function(){t.emit("close")})}else{r.nextTick(function(){t.emit("close")})}};p.prototype._drain=function(){var e=this;o("_drain numConns %s maxConns %s",e.numConns,e.maxConns);if(typeof f.connect!=="function"||e.destroyed||e.paused||e.numConns>=e.maxConns){return}o("drain (%s queued, %s/%s peers)",e.numQueued,e.numPeers,e.maxConns);var t=e._queue.shift();if(!t)return;o("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 s=t.conn=f.connect(n);s.once("connect",function(){t.onConnect()});s.once("error",function(e){t.destroy(e)});t.setConnectTimeout();s.on("close",function(){if(e.destroyed)return;if(t.retries>=h.length){o("conn %s closed: will not re-add (max %s attempts)",t.addr,h.length);return}var r=h[t.retries];o("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 o=r[1];return o>0&&o<65535&&!(n==="127.0.0.1"&&o===t._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":8,"./lib/tcp-pool":24,_process:34,"addr-to-ip-port":24,buffer:25,debug:107,events:29,inherits:115,net:24,speedometer:195}],8:[function(e,t,r){var n=e("debug")("bittorrent-swarm:peer");var i=e("./webconn");var o=e("bittorrent-protocol");var s=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 o;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"))},s);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 o=t.wire;t.conn=null;t.swarm=null;t.wire=null;if(r&&o){var s=r.wires.indexOf(o);if(s>=0)r.wires.splice(s,1)}if(i)i.destroy();if(o)o.destroy();if(r)r.removePeer(t.id)}},{"./webconn":9,"bittorrent-protocol":10,debug:107}],9:[function(e,t,r){t.exports=u;var n=e("bitfield");var i=e("debug")("bittorrent-swarm:webconn");var o=e("simple-get");var s=e("inherits");var a=e("simple-sha1");var f=e("bittorrent-protocol");s(u,f);function u(e,t){var r=this;f.call(this);r.url=e;r.webPeerId=a.sync(e);r.parsedTorrent=t;r.setKeepAlive(true);r.on("handshake",function(e,t){r.handshake(e,r.webPeerId);var i=r.parsedTorrent.pieces.length;var o=new n(i);for(var s=0;s<=i;s++){o.set(s,true)}r.bitfield(o)});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,o){i("request pieceIndex=%d offset=%d length=%d",e,t,n);r.httpRequest(e,t,n,o)})}u.prototype.httpRequest=function(e,t,r,n){var s=this;var a=e*s.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 c={url:s.url,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+f+"-"+u}};o.concat(c,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:6,"bittorrent-protocol":10,debug:107,inherits:115,"simple-get":185,"simple-sha1":193}],10:[function(e,t,r){(function(r){t.exports=w;var n=e("bencode");var i=e("bitfield");var o=e("debug")("bittorrent-protocol");var s=e("xtend");var a=e("hat");var f=e("inherits");var u=e("speedometer");var c=e("stream");var l=4e5;var d=new r("BitTorrent protocol");var h=new r([0,0,0,0]);var p=new r([0,0,0,1,0]);var m=new r([0,0,0,1,1]);var v=new r([0,0,0,1,2]);var g=new r([0,0,0,1,3]);var y=[0,0,0,0,0,0,0,0];var _=[0,0,0,3,9,0,0];function b(e,t,r,n){this.piece=e;this.offset=t;this.length=r;this.callback=n}f(w,c.Duplex);function w(){if(!(this instanceof w))return new w;c.Duplex.call(this);this._debugId=a(32);this._debug("new wire");this.peerId=null;this.peerIdBuffer=null;this.amChoking=true;this.amInterested=false;this.peerChoking=true;this.peerInterested=false;this.peerPieces=new i(0,{grow:l});this.peerExtensions={};this.requests=[];this.peerRequests=[];this.extendedMapping={};this.peerExtendedMapping={};this.extendedHandshake={};this.peerExtendedHandshake={};this._ext={};this._nextExt=1;this.uploaded=0;this.downloaded=0;this.uploadSpeed=u();this.downloadSpeed=u();this._keepAliveInterval=null;this._timeout=null;this._timeoutMs=0;this.destroyed=false;this._finished=false;this._buffer=[];this._bufferSize=0;this._parser=null;this._parserSize=0;this.on("finish",this._onfinish);this._parseHandshake()}w.prototype.setKeepAlive=function(e){this._debug("setKeepAlive %s",e);clearInterval(this._keepAliveInterval);if(e===false)return;this._keepAliveInterval=setInterval(this.keepAlive.bind(this),6e4)};w.prototype.setTimeout=function(e,t){this._debug("setTimeout ms=%d unref=%s",e,t);this._clearTimeout();this._timeoutMs=e;this._timeoutUnref=!!t;this._updateTimeout()};w.prototype.destroy=function(){if(this.destroyed)return;this.destroyed=true;this._debug("destroy");this.emit("close");this.end()};w.prototype.end=function(){this._debug("end");this._onUninterested();this._onChoke();c.Duplex.prototype.end.apply(this,arguments)};w.prototype.use=function(e){var t=e.prototype.name;if(!t){throw new Error('Extension class requires a "name" property on the prototype')}this._debug("use extension.name=%s",t);var r=this._nextExt;var n=new e(this);function i(){}if(typeof n.onHandshake!=="function"){n.onHandshake=i}if(typeof n.onExtendedHandshake!=="function"){n.onExtendedHandshake=i}if(typeof n.onMessage!=="function"){n.onMessage=i}this.extendedMapping[r]=t;this._ext[t]=n;this[t]=n;this._nextExt+=1};w.prototype.keepAlive=function(){this._debug("keep-alive");this._push(h)};w.prototype.handshake=function(e,t,n){var i,o;if(typeof e==="string"){i=new r(e,"hex")}else{i=e;e=i.toString("hex")}if(typeof t==="string"){o=new r(t,"hex")}else{o=t;t=o.toString("hex")}if(i.length!==20||o.length!==20){throw new Error("infoHash and peerId MUST have length 20")}this._debug("handshake i=%s p=%s exts=%o",e,t,n);var s=new r(y);s[5]|=16;if(n&&n.dht)s[7]|=1;this._push(r.concat([d,s,i,o]));this._handshakeSent=true;if(this.peerExtensions.extended){this._sendExtendedHandshake()}};w.prototype._sendExtendedHandshake=function(){var e=s(this.extendedHandshake);e.m={};for(var t in this.extendedMapping){var r=this.extendedMapping[t];e.m[r]=Number(t)}this.extended(0,n.encode(e))};w.prototype.choke=function(){if(this.amChoking)return;this.amChoking=true;this._debug("choke");this.peerRequests.splice(0,this.peerRequests.length);this._push(p)};w.prototype.unchoke=function(){if(!this.amChoking)return;this.amChoking=false;this._debug("unchoke");this._push(m)};w.prototype.interested=function(){if(this.amInterested)return;this.amInterested=true;this._debug("interested");this._push(v)};w.prototype.uninterested=function(){if(!this.amInterested)return;this.amInterested=false;this._debug("uninterested");this._push(g)};w.prototype.have=function(e){this._debug("have %d",e);this._message(4,[e],null)};w.prototype.bitfield=function(e){this._debug("bitfield");if(!r.isBuffer(e))e=e.buffer;this._message(5,[],e)};w.prototype.request=function(e,t,r,n){if(!n)n=function(){};if(this._finished)return n(new Error("wire is closed"));if(this.peerChoking)return n(new Error("peer is choking"));this._debug("request index=%d offset=%d length=%d",e,t,r);this.requests.push(new b(e,t,r,n));this._updateTimeout();this._message(6,[e,t,r],null)};w.prototype.piece=function(e,t,r){this._debug("piece index=%d offset=%d",e,t);this.uploaded+=r.length;this.uploadSpeed(r.length);this.emit("upload",r.length);this._message(7,[e,t],r)};w.prototype.cancel=function(e,t,r){this._debug("cancel index=%d offset=%d length=%d",e,t,r);this._callback(E(this.requests,e,t,r),new Error("request was cancelled"),null);this._message(8,[e,t,r],null)};w.prototype.port=function(e){this._debug("port %d",e);var t=new r(_);t.writeUInt16BE(e,5);this._push(t)};w.prototype.extended=function(e,t){this._debug("extended ext=%s",e);if(typeof e==="string"&&this.peerExtendedMapping[e]){e=this.peerExtendedMapping[e]}if(typeof e==="number"){var i=new r([e]);var o=r.isBuffer(t)?t:n.encode(t);this._message(20,[],r.concat([i,o]))}else{throw new Error("Unrecognized extension: "+e)}};w.prototype._onKeepAlive=function(){this._debug("got keep-alive");this.emit("keep-alive")};w.prototype._onHandshake=function(e,t,r){var n=e.toString("hex");var i=t.toString("hex");this._debug("got handshake i=%s p=%s exts=%o",n,i,r);this.peerId=i;this.peerIdBuffer=t;this.peerExtensions=r;this.emit("handshake",n,i,r);var o;for(o in this._ext){this._ext[o].onHandshake(n,i,r)}if(r.extended&&this._handshakeSent){this._sendExtendedHandshake()}};w.prototype._onChoke=function(){this.peerChoking=true;this._debug("got choke");this.emit("choke");while(this.requests.length){this._callback(this.requests.shift(),new Error("peer is choking"),null)}};w.prototype._onUnchoke=function(){this.peerChoking=false;this._debug("got unchoke");this.emit("unchoke")};w.prototype._onInterested=function(){this.peerInterested=true;this._debug("got interested");this.emit("interested")};w.prototype._onUninterested=function(){this.peerInterested=false;this._debug("got uninterested");this.emit("uninterested")};w.prototype._onHave=function(e){if(this.peerPieces.get(e))return;this._debug("got have %d",e);this.peerPieces.set(e,true);this.emit("have",e)};w.prototype._onBitField=function(e){this.peerPieces=new i(e);this._debug("got bitfield");this.emit("bitfield",this.peerPieces)};w.prototype._onRequest=function(e,t,r){if(this.amChoking)return;this._debug("got request index=%d offset=%d length=%d",e,t,r);var n=function(n,o){if(i!==E(this.peerRequests,e,t,r))return;if(n)return;this.piece(e,t,o)}.bind(this);var i=new b(e,t,r,n);this.peerRequests.push(i);this.emit("request",e,t,r,n)};w.prototype._onPiece=function(e,t,r){this._debug("got piece index=%d offset=%d",e,t);this._callback(E(this.requests,e,t,r.length),null,r);this.downloaded+=r.length;this.downloadSpeed(r.length);this.emit("download",r.length);this.emit("piece",e,t,r)};w.prototype._onCancel=function(e,t,r){this._debug("got cancel index=%d offset=%d length=%d",e,t,r);E(this.peerRequests,e,t,r);this.emit("cancel",e,t,r)};w.prototype._onPort=function(e){this._debug("got port %d",e);this.emit("port",e)};w.prototype._onExtended=function(e,t){if(e===0){var r;try{r=n.decode(t)}catch(i){this._debug("ignoring invalid extended handshake: %s",i.message||i)}if(!r)return;this.peerExtendedHandshake=r;var o;if(typeof r.m==="object"){for(o in r.m){this.peerExtendedMapping[o]=Number(r.m[o].toString())}}for(o in this._ext){if(this.peerExtendedMapping[o]){this._ext[o].onExtendedHandshake(this.peerExtendedHandshake)}}this._debug("got extended handshake");this.emit("extended","handshake",this.peerExtendedHandshake)}else{if(this.extendedMapping[e]){e=this.extendedMapping[e];if(this._ext[e]){this._ext[e].onMessage(t)}}this._debug("got extended message ext=%s",e);this.emit("extended",e,t)}};w.prototype._onTimeout=function(){this._debug("request timed out");this._callback(this.requests.shift(),new Error("request has timed out"),null);this.emit("timeout")};w.prototype._push=function(e){if(this._finished)return;return this.push(e)};w.prototype._write=function(e,t,n){this._bufferSize+=e.length;this._buffer.push(e);while(this._bufferSize>=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 o=new r(5+4*t.length);o.writeUInt32BE(o.length+i-4,0);o[4]=e;for(var s=0;s<t.length;s++){o.writeUInt32BE(t[s],5+4*s)}this._push(o);if(n)this._push(n)};w.prototype._onmessagelength=function(e){var t=e.readUInt32BE(0);if(t>0){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];o.apply(null,e)};function E(e,t,r,n){for(var i=0;i<e.length;i++){var o=e[i];if(o.piece!==t||o.offset!==r||o.length!==n)continue;if(i===0)e.shift();else e.splice(i,1);return o}return null}}).call(this,e("buffer").Buffer)},{bencode:11,bitfield:6,buffer:25,debug:107,hat:113,inherits:115,speedometer:195,stream:52,xtend:210}],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<r){if(n[t]===e)return t;t++}throw new Error('Invalid data: Missing delimiter "'+String.fromCharCode(e)+'" [0x'+e.toString(16)+"]")};i.dictionary=function(){i.position++;var e=new n;while(i.data[i.position]!==101){e.binarySet(i.bytes(),i.next())}i.position++;return e};i.list=function(){i.position++;var e=[];while(i.data[i.position]!==101){e.push(i.next())}i.position++;return e};i.integer=function(){var e=i.find(101);var t=i.data.toString("ascii",i.position+1,e);i.position+=e+1-i.position;return parseInt(t,10)};i.bytes=function(){var e=i.find(58);var t=parseInt(i.data.toString("ascii",i.position,e),10);var r=++e+t;i.position=r;return i.encoding?i.data.toString(i.encoding,e,r):i.data.slice(e,r)};t.exports=i}).call(this,e("buffer").Buffer)},{"./dict":13,buffer:25}],13:[function(e,t,r){var n=t.exports=function i(){Object.defineProperty(this,"_keys",{enumerable:false,value:[]})};n.prototype.binaryKeys=function o(){return this._keys.slice()};n.prototype.binarySet=function s(e,t){this._keys.push(e);this[e]=t}},{}],14:[function(e,t,r){(function(e){function r(t){var n=[];r._encode(n,t);return e.concat(n)}r._floatConversionDetected=false;r._encode=function(t,n){if(e.isBuffer(n)){t.push(new e(n.length+":"));t.push(n);return}switch(typeof n){case"string":r.bytes(t,n);break;case"number":r.number(t,n);break;case"object":n.constructor===Array?r.list(t,n):r.dict(t,n);break}};var n=new e("e"),i=new e("d"),o=new e("l");r.bytes=function(t,r){t.push(new e(e.byteLength(r)+":"+r))};r.number=function(t,n){var i=2147483648;var o=n/i<<0;var s=n%i<<0;var a=o*i+s;t.push(new e("i"+a+"e"));if(a!==n&&!r._floatConversionDetected){r._floatConversionDetected=true;console.warn('WARNING: Possible data corruption detected with value "'+n+'":','Bencoding only defines support for integers, value was converted to "'+a+'"');console.trace()}};r.dict=function(e,t){e.push(i);var o=0;var s;var a=Object.keys(t).sort();var f=a.length;for(;o<f;o++){s=a[o];r.bytes(e,s);r._encode(e,t[s])}e.push(n)};r.list=function(e,t){var i=0,s=1;var a=t.length;e.push(o);for(;i<a;i++){r._encode(e,t[i])}e.push(n)};t.exports=r}).call(this,e("buffer").Buffer)},{buffer:25}],15:[function(e,t,r){(function(r,n){t.exports=m;var i=e("events").EventEmitter;var o=e("debug")("bittorrent-tracker");var s=e("inherits");var a=e("once");var f=e("run-parallel");var u=e("uniq");var c=e("url");var l=e("./lib/common");var d=e("./lib/client/http-tracker");var h=e("./lib/client/udp-tracker");var p=e("./lib/client/websocket-tracker");s(m,i);function m(e,t,s,a){var f=this;if(!(f instanceof m))return new m(e,t,s,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 s.infoHash==="string"?s.infoHash:s.infoHash.toString("hex");f.infoHashBuffer=new n(f.infoHash,"hex");f._infoHashBinary=f.infoHashBuffer.toString("binary");f.torrentLength=s.length;f.destroyed=false;f._port=t;f._rtcConfig=a.rtcConfig;f._wrtc=a.wrtc;o("new client %s",f.infoHash);var l=!!f._wrtc||typeof window!=="undefined";var v=typeof s.announce==="string"?[s.announce]:s.announce==null?[]:s.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=c.parse(e).protocol;if((t==="http:"||t==="https:")&&typeof d==="function"){return new d(f,e)}else if(t==="udp:"&&typeof h==="function"){return new h(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 o=6881;var s={infoHash:Array.isArray(t)?t[0]:t,announce:[e]};var f=new m(i,o,s);f.once("error",r);var u=Array.isArray(t)?t.length:1;var c={};f.on("scrape",function(e){u-=1;c[e.infoHash]=e;if(u===0){f.destroy();var t=Object.keys(c);if(t.length===1){r(null,c[t[0]])}else{r(null,c)}}});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;o("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;o("send `stop`");e=t._defaultAnnounceOpts(e);e.event="stopped";t._announce(e)};m.prototype.complete=function(e){var t=this;o("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;o("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;o("send `scrape`");if(!e)e={};t._trackers.forEach(function(t){t.scrape(e)})};m.prototype.setInterval=function(e){var t=this;o("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;o("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":24,"./lib/client/udp-tracker":24,"./lib/client/websocket-tracker":17,"./lib/common":18,_process:34,buffer:25,debug:107,events:29,inherits:115,once:20,"run-parallel":184,uniq:204,url:60}],16:[function(e,t,r){t.exports=o;var n=e("events").EventEmitter;var i=e("inherits");i(o,n);function o(e,t){var r=this;n.call(r);r.client=e;r.announceUrl=t;r.interval=null;r.destroyed=false}o.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:29,inherits:115}],17:[function(e,t,r){t.exports=p;var n=e("debug")("bittorrent-tracker:websocket-tracker");var i=e("hat");var o=e("inherits");var s=e("simple-peer");var a=e("simple-websocket");var f=e("../common");var u=e("./tracker");var c={};var l=30*1e3;var d=5*1e3;var h=50*1e3;o(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);c[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=c[e.announceUrl];if(!e.socket){e.socket=c[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 o=e.interval||e["min interval"];if(o)t.setInterval(o*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 s({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 c=f.binaryToHex(e.offer_id);u=t.peers[c];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[c]=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)+d;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 o=[];n("generating %s offers",e);for(var a=0;a<e;++a){u()}function u(){var e=i(160);n("creating peer (from _generateOffers)");var t=r.peers[e]=new s({initiator:true,trickle:false,config:r.client._rtcConfig,wrtc:r.client._wrtc});t.once("signal",function(t){o.push({offer:t,offer_id:f.hexToBinary(e)});c()});t.trackerTimeout=setTimeout(function(){n("tracker timeout: destroying 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f(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)})}})}u.WEBSOCKET_SUPPORT=!!f;u.prototype.send=function(e){var t=this;if(!o.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)};u.prototype.destroy=function(e){var t=this;t._destroy(null,e)};u.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);n("destroy (error: 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Use Chrome for "+"MediaSource support."))}var o=l.indexOf(n)>=0?"video":"audio";if(c.indexOf(n)>=0)a();else h();function a(){i("Use `videostream` package for "+e.name);y();d.addEventListener("error",m);d.addEventListener("playing",_);u(e,d)}function h(){i("Use MediaSource API for "+e.name);y();d.addEventListener("error",v);d.addEventListener("playing",_);var t=new s(d);var r=t.createWriteStream(k(e.name));e.createReadStream().pipe(r);if(f)d.currentTime=f}function p(){i("Use Blob URL for "+e.name);y();d.addEventListener("error",I);d.addEventListener("playing",_);E(e,function(e,t){if(e)return I(e);d.src=t;if(f)d.currentTime=f})}function m(e){i("videostream error: fallback to MediaSource API: %o",e.message||e);d.removeEventListener("error",m);d.removeEventListener("playing",_);h()}function v(e){i("MediaSource API error: fallback to Blob URL: %o",e.message||e);d.removeEventListener("error",v);d.removeEventListener("playing",_);p()}function y(){if(!d){d=t(o);d.addEventListener("progress",function(){f=d.currentTime})}}}function _(){d.removeEventListener("playing",_);r(null,d)}function b(){d=t("audio");E(e,function(e,t){if(e)return I(e);d.addEventListener("error",I);d.addEventListener("playing",_);d.src=t})}function x(){d=t("img");E(e,function(t,n){if(t)return I(t);d.src=n;d.alt=e.name;r(null,d)})}function S(){d=t("iframe");E(e,function(e,t){if(e)return I(e);d.src=t;if(n!==".pdf")d.sandbox="allow-forms allow-scripts";r(null,d)})}function B(){i('Unknown file extension "%s" - will attempt to render into iframe',n);var t="";e.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",function(e){t+=e}).on("end",s).on("error",r);function s(){if(o(t)){i('File extension "%s" appears ascii, so will render.',n);S()}else{i('File extension "%s" appears non-ascii, will not render.',n);r(new Error('Unsupported file type "'+n+'": Cannot append to DOM'))}}}function I(t){t.message='Error rendering file "'+e.name+'": '+t.message;i(t.message);r(t)}}function w(e,r,n){t.nextTick(function(){e(r,n)})}function E(e,t){var r=a.extname(e.name).toLowerCase();f(e.createReadStream(),n[r],t)}function x(e){if(e==null){throw new Error("file cannot be null or undefined")}if(typeof e.name!=="string"){throw new Error("missing or invalid file.name property")}if(typeof e.createReadStream!=="function"){throw new Error("missing or invalid file.createReadStream property")}}function k(e){var t=a.extname(e).toLowerCase();return{".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[t]}}).call(this,e("_process"))},{"./lib/mime.json":145,_process:34,debug:107,"is-ascii":146,mediasource:147,path:33,"stream-to-blob-url":196,videostream:182}],145:[function(e,t,r){t.exports={".3gp":"video/3gpp",".aac":"audio/aac",".aif":"audio/x-aiff",".aiff":"audio/x-aiff",".atom":"application/atom+xml",".avi":"video/x-msvideo",".bmp":"image/bmp",".bz2":"application/x-bzip2",".conf":"text/plain",".css":"text/css",".csv":"text/csv",".diff":"text/x-diff",".doc":"application/msword",".flv":"video/x-flv",".gif":"image/gif",".gz":"application/x-gzip",".htm":"text/html",".html":"text/html",".ico":"image/vnd.microsoft.icon",".ics":"text/calendar",".iso":"application/octet-stream",".jar":"application/java-archive",".jpeg":"image/jpeg",".jpg":"image/jpeg",".js":"application/javascript",".json":"application/json",".less":"text/css",".log":"text/plain",".m3u":"audio/x-mpegurl",".m4a":"audio/mp4",".m4v":"video/mp4",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",
+".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},{}],146:[function(e,t,r){var n=127;t.exports=function i(e){for(var t=0,r=e.length;t<r;++t){if(e.charCodeAt(t)>n)return false}return true}},{}],147:[function(e,t,r){t.exports=f;var n=e("inherits");var i=e("readable-stream");var o=e("to-arraybuffer");var s=typeof window!=="undefined"&&window.MediaSource;var a=60;function f(e,t){var r=this;if(!(r instanceof f))return new f(e,t);if(!s)throw new Error("web browser lacks MediaSource support");if(!t)t={};r._bufferDuration=t.bufferDuration||a;r._elem=e;r._mediaSource=new s;r._streams=[];r.detailedError=null;r._errorHandler=function(){r._elem.removeEventListener("error",r._errorHandler);var e=r._streams.slice();e.forEach(function(e){e.destroy(r._elem.error)})};r._elem.addEventListener("error",r._errorHandler);r._elem.src=window.URL.createObjectURL(r._mediaSource)}f.prototype.createWriteStream=function(e){var t=this;return new u(t,e)};f.prototype.error=function(e){var t=this;if(!t.detailedError){t.detailedError=e}try{t._mediaSource.endOfStream("decode")}catch(e){}};n(u,i.Writable);function u(e,t){var r=this;i.Writable.call(r);r._wrapper=e;r._elem=e._elem;r._mediaSource=e._mediaSource;r._allStreams=e._streams;r._allStreams.push(r);r._bufferDuration=e._bufferDuration;r._openHandler=r._onSourceOpen.bind(r,t);r._flowHandler=r._flow.bind(r);if(typeof t==="string"){if(r._mediaSource.readyState==="open"){r._createSourceBuffer(t)}else{r._mediaSource.addEventListener("sourceopen",r._openHandler)}}else if(t._sourceBuffer){t.destroy();r._sourceBuffer=t._sourceBuffer;r._sourceBuffer.addEventListener("updateend",r._flowHandler)}else{throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function")}r._elem.addEventListener("timeupdate",r._flowHandler);r.on("error",r._wrapper.error.bind(r._wrapper));r.on("finish",function(){if(r.destroyed)return;r._finished=true;if(r._allStreams.every(function(e){return e._finished})){try{r._mediaSource.endOfStream()}catch(e){}}})}u.prototype._onSourceOpen=function(e){var t=this;if(t.destroyed)return;t._mediaSource.removeEventListener("sourceopen",t._openHandler);t._createSourceBuffer(e)};u.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t._allStreams.splice(t._allStreams.indexOf(t),1);t._mediaSource.removeEventListener("sourceopen",t._openHandler);t._elem.removeEventListener("timeupdate",t._flowHandler);if(t._sourceBuffer){t._sourceBuffer.removeEventListener("updateend",t._flowHandler);if(t._mediaSource.readyState==="open"){t._sourceBuffer.abort()}}if(e)t.emit("error",e);t.emit("close")};u.prototype._createSourceBuffer=function(e){var t=this;if(t.destroyed)return;if(s.isTypeSupported(e)){t._sourceBuffer=t._mediaSource.addSourceBuffer(e);t._sourceBuffer.addEventListener("updateend",t._flowHandler);if(t._cb){var r=t._cb;t._cb=null;r()}}else{t.destroy(new Error("The provided type is not supported"))}};u.prototype._write=function(e,t,r){var n=this;if(n.destroyed)return;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"))}try{n._sourceBuffer.appendBuffer(o(e))}catch(i){n.destroy(i);return}n._cb=r};u.prototype._flow=function(){var e=this;if(e.destroyed||!e._sourceBuffer||e._sourceBuffer.updating){return}if(e._mediaSource.readyState==="open"){if(e._getBufferDuration()>e._bufferDuration){return}}if(e._cb){var t=e._cb;e._cb=null;t()}};var c=0;u.prototype._getBufferDuration=function(){var e=this;var t=e._sourceBuffer.buffered;var r=e._elem.currentTime;var n=-1;for(var i=0;i<t.length;i++){var o=t.start(i);var s=t.end(i)+c;if(o>r){break}else if(n>=0||r<=s){n=s}}var a=n-r;if(a<0){a=0}return a}},{inherits:115,"readable-stream":158,"to-arraybuffer":159}],148:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{"./_stream_readable":150,"./_stream_writable":152,"core-util-is":153,dup:40,inherits:115,"process-nextick-args":155}],149:[function(e,t,r){arguments[4][41][0].apply(r,arguments)},{"./_stream_transform":151,"core-util-is":153,dup:41,inherits:115}],150:[function(e,t,r){arguments[4][42][0].apply(r,arguments)},{"./_stream_duplex":148,_process:34,buffer:25,"core-util-is":153,dup:42,events:29,inherits:115,isarray:154,"process-nextick-args":155,"string_decoder/":156,util:24}],151:[function(e,t,r){arguments[4][43][0].apply(r,arguments)},{"./_stream_duplex":148,"core-util-is":153,dup:43,inherits:115}],152:[function(e,t,r){arguments[4][44][0].apply(r,arguments)},{"./_stream_duplex":148,buffer:25,"core-util-is":153,dup:44,events:29,inherits:115,"process-nextick-args":155,"util-deprecate":157}],153:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{"../../../../../../../../browserify/node_modules/insert-module-globals/node_modules/is-buffer/index.js":31,dup:71}],154:[function(e,t,r){arguments[4][32][0].apply(r,arguments)},{dup:32}],155:[function(e,t,r){arguments[4][46][0].apply(r,arguments)},{_process:34,dup:46}],156:[function(e,t,r){arguments[4][59][0].apply(r,arguments)},{buffer:25,dup:59}],157:[function(e,t,r){arguments[4][47][0].apply(r,arguments)},{dup:47}],158:[function(e,t,r){arguments[4][49][0].apply(r,arguments)},{"./lib/_stream_duplex.js":148,"./lib/_stream_passthrough.js":149,"./lib/_stream_readable.js":150,"./lib/_stream_transform.js":151,"./lib/_stream_writable.js":152,dup:49}],159:[function(e,t,r){arguments[4][58][0].apply(r,arguments)},{buffer:25,dup:58}],160:[function(e,t,r){var n=e("binary-search");var i=e("events");var o=e("inherits");var s=e("mp4-stream");var a=e("mp4-box-encoding");var f=e("range-slice-stream");t.exports=u;function u(e){var t=this;i.call(t);t._tracks=[];t._fragmentSequence=1;t._file=e;t._decoder=null;t._findMoov(0)}o(u,i);u.prototype._findMoov=function(e){var t=this;if(t._decoder){t._decoder.destroy()}t._decoder=s.decode();var r=t._file.createReadStream({start:e});r.pipe(t._decoder);t._decoder.once("box",function(n){if(n.type==="moov"){t._decoder.decode(function(e){r.destroy();t._processMoov(e)})}else{r.destroy();t._findMoov(e+n.length)}})};function c(e,t){var r=this;r._entries=e;r._countName=t||"count";r._index=0;r._offset=0;r.value=r._entries[0]}c.prototype.inc=function(){var e=this;e._offset++;if(e._offset>=e._entries[e._index][e._countName]){e._index++;e._offset=0}e.value=e._entries[e._index]};u.prototype._processMoov=function(e){var t=this;var r=e.traks;t._tracks=[];var n=null;var i=null;t._hasVideo=false;t._hasAudio=false;for(var o=0;o<r.length;o++){var s=r[o];var a=s.mdia.minf.stbl;var f=a.stsd.entries[0];var u=s.mdia.hdlr.handlerType;var d;var h;if(u==="vide"&&f.type==="avc1"){if(t._hasVideo){continue}t._hasVideo=true;d="avc1";if(f.avcC){d+="."+f.avcC.mimeCodec}h='video/mp4; codecs="'+d+'"'}else if(u==="soun"&&f.type==="mp4a"){if(t._hasAudio){continue}t._hasAudio=true;d="mp4a";if(f.esds&&f.esds.mimeCodec){d+="."+f.esds.mimeCodec}h='audio/mp4; codecs="'+d+'"'}else{continue}var p=[];var m=0;var v=0;var g=0;var y=0;var _=0;var b=0;var w=new c(a.stts.entries);var E=null;if(a.ctts){E=new c(a.ctts.entries)}var x=0;while(true){var k=a.stsc.entries[_];var S=a.stsz.entries[m];var B=w.value.duration;var I=E?E.value.compositionOffset:0;var A=true;if(a.stss){A=a.stss.entries[x]===m+1}p.push({size:S,duration:B,dts:b,presentationOffset:I,sync:A,offset:y+a.stco.entries[g]});m++;if(m>=a.stsz.entries.length){break}v++;y+=S;if(v>=k.samplesPerChunk){v=0;y=0;g++;var C=a.stsc.entries[_+1];if(C&&g+1>=C.firstChunk){_++}}b+=B;w.inc();E&&E.inc();if(A){x++}}s.mdia.mdhd.duration=0;s.tkhd.duration=0;var T=k.sampleDescriptionId;var L={type:"moov",mvhd:e.mvhd,traks:[{tkhd:s.tkhd,mdia:{mdhd:s.mdia.mdhd,hdlr:s.mdia.hdlr,elng:s.mdia.elng,minf:{vmhd:s.mdia.minf.vmhd,smhd:s.mdia.minf.smhd,dinf:s.mdia.minf.dinf,stbl:{stsd:a.stsd,stts:l(),ctts:l(),stsc:l(),stsz:l(),stco:l(),stss:l()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:s.tkhd.trackId,defaultSampleDescriptionIndex:T,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:s.tkhd.trackId,timeScale:s.mdia.mdhd.timeScale,samples:p,currSample:null,currTime:null,moov:L,mime:h})}e.mvhd.duration=0;t._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};var R=t._tracks.map(function(e){return{mime:e.mime}});t.emit("ready",R)};function l(){return{version:0,flags:0,entries:[]}}u.prototype.seek=function(e,t){var r=this;if(!r._tracks){throw new Error("Not ready yet; wait for 'ready' event")}if(r._fileStream){r._fileStream.destroy();r._fileStream=null}var n=-1;r._tracks.map(function(i,o){if(i.outStream){i.outStream.destroy()}if(i.inStream){i.inStream.destroy();i.inStream=null}var a=i.outStream=s.encode();var f=r._generateFragment(o,e);if(!f){return a.finalize()}if(n===-1||f.ranges[0].start<n){n=f.ranges[0].start}if(t){a.box(r._ftyp,function(e){if(e)return r.emit("error",e);if(a.destroyed)return;a.box(i.moov,function(e){if(e)return r.emit("error",e);u(f)})})}else{u(f)}function u(e){if(a.destroyed)return;a.box(e.moof,function(t){if(t)return r.emit("error",t);if(a.destroyed)return;var n=i.inStream.slice(e.ranges);n.pipe(a.mediaData(e.length,function(e){if(e)return r.emit("error",e);if(a.destroyed)return;var t=r._generateFragment(o);if(!t){return a.finalize()}u(t)}))})}});if(n>=0){var i=r._fileStream=r._file.createReadStream({start:n});r._tracks.forEach(function(e){e.inStream=new f(n);i.pipe(e.inStream)})}return r._tracks.map(function(e){return e.outStream})};u.prototype._findSampleBefore=function(e,t){var r=this;var i=r._tracks[e];var o=Math.floor(i.timeScale*t);var s=n(i.samples,o,function(e,t){var r=e.dts+e.presentationOffset;return r-t});if(s===-1){s=0}else if(s<0){s=-s-2}while(!i.samples[s].sync){s--}return s};var d=1;u.prototype._generateFragment=function(e,t){var r=this;var n=r._tracks[e];var i;if(t!==undefined){i=r._findSampleBefore(e,t)}else{i=n.currSample}if(i>=n.samples.length)return null;var o=n.samples[i].offset;var s=n.samples[i].dts;var a=0;var f=[];for(var u=i;u<n.samples.length;u++){var c=n.samples[u];if(c.sync&&c.dts-s>=n.timeScale*d){break}a+=c.size;var l=f.length-1;if(l<0||f[l].end!==c.offset){f.push({start:c.offset,end:c.offset+c.size})}else{f[l].end+=c.size}}n.currSample=u;return{moof:r._generateMoof(e,i,u),ranges:f,length:a}};u.prototype._generateMoof=function(e,t,r){var n=this;var i=n._tracks[e];var o=[];for(var s=t;s<r;s++){var f=i.samples[s];o.push({sampleDuration:f.duration,sampleSize:f.size,sampleFlags:f.sync?33554432:16842752,sampleCompositionTimeOffset:f.presentationOffset})}var u={type:"moof",mfhd:{sequenceNumber:n._fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:i.trackId},tfdt:{baseMediaDecodeTime:i.samples[t].dts},trun:{flags:3841,dataOffset:8,entries:o}}]};u.trafs[0].trun.dataOffset+=a.encodingLength(u);return u}},{"binary-search":161,events:29,inherits:115,"mp4-box-encoding":164,"mp4-stream":168,"range-slice-stream":181}],161:[function(e,t,r){t.exports=function(e,t,r,n,i){var o,s;if(n===undefined)n=0;else{n=n|0;if(n<0||n>=e.length)throw new RangeError("invalid lower bound")}if(i===undefined)i=e.length-1;else{i=i|0;if(i<n||i>=e.length)throw new RangeError("invalid upper bound")}while(n<=i){o=n+(i-n>>1);s=+r(e[o],t);if(s<0)n=o+1;else if(s>0)i=o-1;else return o}return~n}},{}],162:[function(e,t,r){(function(t){var n=e("./index");var i=e("./descriptor");var o=20828448e5;r.fullBoxes={};var s=["mvhd","tkhd","mdhd","vmhd","smhd","stsd","esds","stsz","stco","stss","stts","ctts","stsc","dref","elst","hdlr","mehd","trex","mfhd","tfhd","tfdt","trun"];s.forEach(function(e){r.fullBoxes[e]=true});r.ftyp={};r.ftyp.encode=function(e,n,i){n=n?n.slice(i):new t(r.ftyp.encodingLength(e));var o=e.compatibleBrands||[];n.write(e.brand,0,4,"ascii");n.writeUInt32BE(e.brandVersion,4);for(var s=0;s<o.length;s++)n.write(o[s],8+s*4,4,"ascii");r.ftyp.encode.bytes=8+o.length*4;return n};r.ftyp.decode=function(e,t){e=e.slice(t);var r=e.toString("ascii",0,4);var n=e.readUInt32BE(4);var i=[];for(var o=8;o<e.length;o+=4)i.push(e.toString("ascii",o,o+4));return{brand:r,brandVersion:n,compatibleBrands:i}};r.ftyp.encodingLength=function(e){return 8+(e.compatibleBrands||[]).length*4};r.mvhd={};r.mvhd.encode=function(e,n,i){n=n?n.slice(i):new t(96);f(e.ctime||new Date,n,0);f(e.mtime||new 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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)})}})}c.WEBRTC_SUPPORT=!!i();c.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};c.constraints={};c.channelConfig={};Object.defineProperty(c.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});c.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};c.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),l,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: 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Blob(i,{type:t}):new Blob(i);var n=URL.createObjectURL(e);r(null,n)}).on("error",r)}},{once:198}],197:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{dup:19}],198:[function(e,t,r){arguments[4][20][0].apply(r,arguments)},{dup:20,wrappy:197}],199:[function(e,t,r){(function(r){var n=e("once");t.exports=function i(e,t,o){o=n(o);var s=new r(t);var a=0;e.on("data",function(e){e.copy(s,a);a+=e.length}).on("end",function(){o(null,s)}).on("error",o)}}).call(this,e("buffer").Buffer)},{buffer:25,once:201}],200:[function(e,t,r){arguments[4][19][0].apply(r,arguments)},{dup:19}],201:[function(e,t,r){arguments[4][20][0].apply(r,arguments)},{dup:20,wrappy:200}],202:[function(e,t,r){(function(r,n){t.exports=d;var i=e("debug")("torrent-discovery");var o=e("bittorrent-dht/client");var s=e("events").EventEmitter;var a=e("xtend");var f=e("inherits");var u=e("run-parallel");var c=e("re-emitter");var l=e("bittorrent-tracker/client");f(d,s);function d(e){var t=this;if(!(t instanceof d))return new d(e);s.call(t);t.announce=e.announce||[];t.rtcConfig=e.rtcConfig;t.peerId=e.peerId;t.port=e.port||0;
+t.wrtc=e.wrtc;t.intervalMs=e.intervalMs||15*60*1e3;if(!t.peerId)throw new Error("peerId required");if(!r.browser&&!t.port)throw new Error("port required");t.infoHash=null;t.infoHashBuffer=null;t.torrent=null;t._dhtAnnouncing=false;t._dhtTimeout=false;t._internalDHT=false;if(e.tracker===false){t.tracker=false}else{t.tracker=true}if(e.dht===false){t.dht=false}else if(typeof e.dht==="object"){t.dht=e.dht}else{t.dht=n()}if(t.dht){c(t.dht,t,["error","warning"]);t.dht.on("peer",i)}function n(){if(typeof o!=="function")return false;t._internalDHT=true;var r=new o;r.listen(e.dhtPort);return r}function i(e,r){if(r.toString("hex")!==t.infoHash)return;t.emit("peer",e.host+":"+e.port)}}d.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()}t._dhtAnnounce()};d.prototype.updatePort=function(e){var t=this;if(e===t.port)return;t.port=e;t._dhtAnnounce();if(t.tracker&&t.tracker!==true){t.tracker.stop();t.tracker.destroy(function(){t._createTracker()})}};d.prototype.stop=function(e){var t=this;var r=[];clearTimeout(t._dhtTimeout);if(t.tracker&&t.tracker!==true){t.tracker.stop();r.push(function(e){t.tracker.destroy(e)})}if(t._internalDHT){r.push(function(e){t.dht.destroy(e)})}u(r,e)};d.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);c(e.tracker,e,["peer","warning","error"]);e.tracker.setInterval(e.intervalMs);e.tracker.on("update",n);e.tracker.start();function 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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<this._chunks)return this._reservations++;return-1};n.prototype.cancel=function(e){if(!this.init())return;this._cancellations.push(e)};n.prototype.get=function(e){if(!this.init())return null;return this._buffer[e]};n.prototype.set=function(e,t,r){if(!this.init())return false;if(!this._buffer[e]){this._buffered++;this._buffer[e]=t;this.missing-=t.length;if(this.sources.indexOf(r)===-1){this.sources.push(r)}}return 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o=e("events").EventEmitter;var s=e("inherits");var a=e("simple-sha1");var f=1e7;var u=1e3;var c=16*1024;t.exports=function(e){s(t,o);function t(t){o.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/c);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var i=e.toString();var o=i.indexOf("ee")+2;t=n.decode(i.substring(0,o));r=e.slice(o)}catch(s){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 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e=0;e<this._numPieces;e++){this._request(e)}};t.prototype._checkDone=function(){var e=true;for(var t=0;t<this._numPieces;t++){if(!this._bitfield.get(t)){e=false;break}}if(!e)return;var r=this.setMetadata(this.metadata);if(!r){this._failedMetadata()}};t.prototype._failedMetadata=function(){this._bitfield=new i(0,{grow:u});this._remainingRejects-=this._numPieces;if(this._remainingRejects>0){this._requestPieces()}else{this.emit("warning",new Error("Peer sent invalid metadata"))}};return t}}).call(this,e("buffer").Buffer)},{bencode:206,bitfield:6,buffer:25,events:29,inherits:115,"simple-sha1":193}],206:[function(e,t,r){arguments[4][11][0].apply(r,arguments)},{"./lib/decode":207,"./lib/encode":209,dup:11}],207:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{"./dict":208,buffer:25,dup:12}],208:[function(e,t,r){arguments[4][13][0].apply(r,arguments)},{dup:13}],209:[function(e,t,r){arguments[4][14][0].apply(r,arguments)},{buffer:25,dup:14}],210:[function(e,t,r){t.exports=i;var n=Object.prototype.hasOwnProperty;function i(){var e={};for(var t=0;t<arguments.length;t++){var r=arguments[t];for(var i in r){if(n.call(r,i)){e[i]=r[i]}}}return e}},{}],211:[function(e,t,r){t.exports=i;var n=Object.prototype.hasOwnProperty;function i(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r){if(n.call(r,i)){e[i]=r[i]}}}return e}},{}],212:[function(e,t,r){t.exports=function n(e,t,r){if(t===undefined){return function(t,r){return n(e,t,r)}}if(r===undefined)r="0";e-=t.toString().length;if(e>0)return new Array(e+(/\./.test(t)?2:1)).join(r)+t;return t+""}},{}],213:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.73.1",author:{name:"Feross 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client","download","mad science","streaming","torrent","webrtc","webrtc data","webtorrent"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3",chromecasts:"^1.5.3",nodebmc:"0.0.6"},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/*.js test/browser/*.js","test-browser-local":"zuul --local -- test/*.js test/browser/*.js","test-node":"tape test/*.js test/node/*.js"}}},{}],214:[function(e,t,r){(function(r,n,i){t.exports=x;var o=e("create-torrent");var s=e("debug")("webtorrent");var a=e("bittorrent-dht/client");var f=e("events").EventEmitter;var u=e("xtend");var c=e("hat");var l=e("inherits");var d=e("load-ip-set");var h=e("run-parallel");var p=e("parse-torrent");var m=e("path");var v=e("simple-peer");var g=e("speedometer");var y=e("zero-fill");var _=e("./lib/torrent");t.exports.WEBRTC_SUPPORT=v.WEBRTC_SUPPORT;var b=e("./package.json").version;var w=b.match(/([0-9]+)/g).slice(0,2).map(y(2)).join("");var E="-WW"+w+"-";l(x,f);function x(e){var t=this;if(!(t instanceof x))return new x(e);f.call(t);if(!e)e={};if(!s.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=g();t._uploadSpeed=g();t.maxConns=e.maxConns;t.peerId=typeof e.peerId==="string"?e.peerId:(e.peerId||new i(E+c(48))).toString("hex");t.peerIdBuffer=new i(t.peerId,"hex");t.nodeId=typeof e.nodeId==="string"?e.nodeId:e.nodeId&&e.nodeId.toString("hex")||c(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)}s("new webtorrent (peerId %s, nodeId %s)",t.peerId,t.nodeId);if(typeof d==="function"){d(e.blocklist,{headers:{"user-agent":"WebTorrent/"+b+" (http://webtorrent.io)"}},function(e,r){if(e)return t.error("Failed to load blocklist: "+e.message);t.blocked=r;o()})}else r.nextTick(o);function o(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(x.prototype,"ratio",{get:function(){var e=this.torrents.reduce(function(e,t){return e+t.uploaded},0);var t=this.torrents.reduce(function(e,t){return e+t.downloaded},0)||1;return e/t}});Object.defineProperty(x.prototype,"downloadSpeed",{get:function(){return this._downloadSpeed()}});Object.defineProperty(x.prototype,"uploadSpeed",{get:function(){return this._uploadSpeed()}});x.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,o=t.torrents.length;i<o;i++){var s=t.torrents[i];if(s.infoHash===r.infoHash)return s}return null};x.prototype.add=x.prototype.download=function(e,t,n){var i=this;if(i.destroyed)throw new Error("client is destroyed");if(typeof t==="function")return i.add(e,null,t);t=t?u(t):{};s("add");var o=i.get(e);function a(){if(typeof n==="function")n(o)}if(o){if(o.ready)r.nextTick(a);else o.on("ready",a)}else{t.client=i;o=new _(e,t);i.torrents.push(o);o.on("error",function(e){i.emit("error",e,o);i.remove(o)});o.on("listening",function(e){i.emit("listening",e,o)});o.on("ready",function(){a();i.emit("torrent",o)})}return o};x.prototype.seed=function(e,t,r){var n=this;if(n.destroyed)throw new Error("client is destroyed");if(typeof t==="function")return n.seed(e,null,t);t=t?u(t):{};s("seed");if(typeof e==="string")t.path=m.dirname(e);if(!t.createdBy)t.createdBy="WebTorrent/"+w;if(!n.tracker)t.announce=[];var i;var a=n.add(undefined,t,function(e){var t=[function(t){e.load(i,t)}];if(n.dht){t.push(function(t){e.on("dhtAnnounce",t)})}h(t,function(t){if(t)return n.emit("error",t);f();n.emit("seed",e)})});o.parseInput(e,t,function(r,s){if(r)return n.emit("error",r);i=s.map(function(e){return e.getStream});o(e,t,function(e,t){if(e)return n.emit("error",e);if(n.destroyed)return;var r=n.get(t);if(r){a.destroy();f();return}else{a._onTorrentId(t)}})});function f(){s("on seed");if(typeof r==="function")r(a)}return a};x.prototype.remove=function(e,t){var r=this;s("remove");var n=r.get(e);if(!n)throw new Error("No torrent with id "+e);r.torrents.splice(r.torrents.indexOf(n),1);n.destroy(t)};x.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}};x.prototype.destroy=function(e){var t=this;if(t.destroyed)throw new Error("client already destroyed");t.destroyed=true;s("destroy");var r=t.torrents.map(function(e){return function(r){t.remove(e,r)}});if(t.dht)r.push(function(e){t.dht.destroy(e)});h(r,e)}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./lib/torrent":4,"./package.json":213,_process:34,"bittorrent-dht/client":24,buffer:25,"create-torrent":79,debug:107,events:29,hat:113,inherits:115,"load-ip-set":24,"parse-torrent":118,path:33,"run-parallel":184,"simple-peer":188,speedometer:195,xtend:210,"zero-fill":212}]},{},[214])(214)});