diff --git a/index.js b/index.js
index 7466a9e5..128b33b9 100644
--- a/index.js
+++ b/index.js
@@ -13,6 +13,7 @@ const path = require('path')
 const Peer = require('simple-peer')
 const randombytes = require('randombytes')
 const speedometer = require('speedometer')
+var ThrottleGroup = require('stream-throttle').ThrottleGroup
 
 const TCPPool = require('./lib/tcp-pool') // browser exclude
 const Torrent = require('./lib/torrent')
@@ -72,6 +73,8 @@ class WebTorrent extends EventEmitter {
     this.tracker = opts.tracker !== undefined ? opts.tracker : {}
     this.torrents = []
     this.maxConns = Number(opts.maxConns) || 55
+    this.downloadLimit = Number(opts.downloadLimit) || Number.MAX_VALUE
+    this.uploadLimit = Number(opts.uploadLimit) || Number.MAX_VALUE
 
     this._debug(
       'new webtorrent (peerId %s, nodeId %s, port %s)',
@@ -95,6 +98,11 @@ class WebTorrent extends EventEmitter {
       }
     }
 
+    this.throttleGroups = {
+      down: new ThrottleGroup({rate: this.downloadLimit}),
+      up: new ThrottleGroup({rate: this.uploadLimit})
+    }
+
     if (typeof TCPPool === 'function') {
       this._tcpPool = new TCPPool(this)
     } else {
@@ -409,6 +417,26 @@ class WebTorrent extends EventEmitter {
 WebTorrent.WEBRTC_SUPPORT = Peer.WEBRTC_SUPPORT
 WebTorrent.VERSION = VERSION
 
+/**
+ * Set global download throttle rate
+ * @param  {Number} rate
+ */
+WebTorrent.prototype.throttleDownload = function (rate) {
+  if (!Number(rate) || Number(rate) < 0) return
+  this.throttleGroups.down.bucket.bucketSize = rate
+  this.throttleGroups.down.bucket.tokensPerInterval = rate
+}
+
+/**
+ * Set global upload throttle rate
+ * @param  {Number} rate
+ */
+WebTorrent.prototype.throttleUpload = function (rate) {
+  if (!Number(rate) || Number(rate) < 0) return
+  this.throttleGroups.up.bucket.bucketSize = rate
+  this.throttleGroups.up.bucket.tokensPerInterval = rate
+}
+
 /**
  * Check if `obj` is a node Readable stream
  * @param  {*} obj
diff --git a/lib/peer.js b/lib/peer.js
index 0ddf5359..dd04e41c 100644
--- a/lib/peer.js
+++ b/lib/peer.js
@@ -92,10 +92,22 @@ class Peer {
     this.destroyed = false
     this.timeout = null // handshake timeout
     this.retries = 0 // outgoing TCP connection retry count
-
+    
     this.sentHandshake = false
   }
 
+  clearPipes() {
+    this.wire.unpipe()
+    this.conn.unpipe()
+  }
+
+  setThrottlePipes() {
+    this.conn.pipe(this.swarm.client.throttleGroups.down.throttle())
+      .pipe(this.wire)
+      .pipe(this.swarm.client.throttleGroups.up.throttle())
+      .pipe(this.conn)
+  }
+
   /**
    * Called once the peer is connected (i.e. fired 'connect' event)
    * @param {Socket} conn
@@ -142,7 +154,11 @@ class Peer {
     })
     this.startHandshakeTimeout()
 
-    conn.pipe(wire).pipe(conn)
+    if ((this.type === 'tcpOutgoing') || (this.type === 'webrtc')) {
+      this.setThrottlePipes()
+    } else {
+      conn.pipe(wire).pipe(conn)
+    }
     if (this.swarm && !this.sentHandshake) this.handshake()
   }
 
diff --git a/lib/tcp-pool.js b/lib/tcp-pool.js
index 1094c4fd..80fa0113 100644
--- a/lib/tcp-pool.js
+++ b/lib/tcp-pool.js
@@ -104,6 +104,8 @@ class TCPPool {
       if (torrent) {
         peer.swarm = torrent
         torrent._addIncomingPeer(peer)
+        peer.clearPipes()
+        peer.setThrottlePipes()
         peer.onHandshake(infoHash, peerId)
       } else {
         const err = new Error(
diff --git a/package.json b/package.json
index f5a4eb36..9669a670 100644
--- a/package.json
+++ b/package.json
@@ -57,6 +57,7 @@
     "simple-peer": "^9.0.0",
     "simple-sha1": "^2.0.8",
     "speedometer": "^1.0.0",
+    "stream-throttle": "^0.1.3",
     "stream-to-blob": "^1.0.0",
     "stream-to-blob-url": "^2.1.0",
     "stream-with-known-length-to-buffer": "^1.0.0",
diff --git a/webtorrent.min.js b/webtorrent.min.js
index 3b70eccf..4cebfe8b 100644
--- a/webtorrent.min.js
+++ b/webtorrent.min.js
@@ -1 +1,10 @@
-(function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,t.WebTorrent=e()}})(function(){var t=Math.abs,n=Math.pow,r=Math.floor,e=String.fromCharCode,o=Math.ceil,a=Math.max,s=Math.min,i;return function(){function s(d,e,n){function t(o,i){if(!e[o]){if(!d[o]){var l="function"==typeof require&&require;if(!i&&l)return l(o,!0);if(r)return r(o,!0);var c=new Error("Cannot find module '"+o+"'");throw c.code="MODULE_NOT_FOUND",c}var a=e[o]={exports:{}};d[o][0].call(a.exports,function(e){var r=d[o][1][e];return t(r||e)},a,a.exports,s,d,e,n)}return e[o].exports}for(var r="function"==typeof require&&require,o=0;o<n.length;o++)t(n[o]);return t}return s}()({1:[function(e,t){const n=e("debug")("webtorrent:file-stream"),r=e("readable-stream");class o extends r.Readable{constructor(e,t){super(t),this.destroyed=!1,this._torrent=e._torrent;const n=t&&t.start||0,r=t&&t.end&&t.end<e.length?t.end:e.length-1,o=e._torrent.pieceLength;this._startPiece=0|(n+e.offset)/o,this._endPiece=0|(r+e.offset)/o,this._piece=this._startPiece,this._offset=n+e.offset-this._startPiece*o,this._missing=r-n+1,this._reading=!1,this._notifying=!1,this._criticalLength=s(0|1048576/o,2)}_read(){this._reading||(this._reading=!0,this._notify())}_notify(){if(!this._reading||0===this._missing)return;if(!this._torrent.bitfield.get(this._piece))return this._torrent.critical(this._piece,this._piece+this._criticalLength);if(this._notifying)return;if(this._notifying=!0,this._torrent.destroyed)return this._destroy(new Error("Torrent removed"));const e=this._piece;this._torrent.store.get(e,(t,r)=>(this._notifying=!1,this.destroyed?void 0:t?this._destroy(t):void(n("read %s (length %s) (err %s)",e,r.length,t&&t.message),this._offset&&(r=r.slice(this._offset),this._offset=0),this._missing<r.length&&(r=r.slice(0,this._missing)),this._missing-=r.length,n("pushing buffer of length %s",r.length),this._reading=!1,this.push(r),0===this._missing&&this.push(null)))),this._piece+=1}destroy(e){this._destroy(null,e)}_destroy(e,t){this.destroyed||(this.destroyed=!0,!this._torrent.destroyed&&this._torrent.deselect(this._startPiece,this._endPiece,!0),e&&this.emit("error",e),this.emit("close"),t&&t())}}t.exports=o},{debug:62,"readable-stream":162}],2:[function(e,t){(function(n){const{EventEmitter:r}=e("events"),{PassThrough:o}=e("readable-stream"),i=e("end-of-stream"),d=e("path"),l=e("render-media"),c=e("stream-to-blob"),u=e("stream-to-blob-url"),p=e("stream-with-known-length-to-buffer"),f=e("./file-stream");class h extends r{constructor(e,t){super(),this._torrent=e,this._destroyed=!1,this.name=t.name,this.path=t.path,this.length=t.length,this.offset=t.offset,this.done=!1;const n=t.offset,r=n+t.length-1;this._startPiece=0|n/this._torrent.pieceLength,this._endPiece=0|r/this._torrent.pieceLength,0===this.length&&(this.done=!0,this.emit("done"))}get downloaded(){if(!this._torrent.bitfield)return 0;const{pieces:e,bitfield:t,pieceLength:n}=this._torrent,{_startPiece:r,_endPiece:o}=this,i=e[r];let d=t.get(r)?n-this.offset:a(i.length-i.missing-this.offset,0);for(let i=r+1;i<=o;++i)if(t.get(i))d+=n;else{const t=e[i];d+=t.length-t.missing}return s(d,this.length)}get progress(){return this.length?this.downloaded/this.length:0}select(e){0===this.length||this._torrent.select(this._startPiece,this._endPiece,e)}deselect(){0===this.length||this._torrent.deselect(this._startPiece,this._endPiece,!1)}createReadStream(e){if(0===this.length){const e=new o;return n.nextTick(()=>{e.end()}),e}const t=new f(this,e);return this._torrent.select(t._startPiece,t._endPiece,!0,()=>{t._notify()}),i(t,()=>{this._destroyed||!this._torrent.destroyed&&this._torrent.deselect(t._startPiece,t._endPiece,!0)}),t}getBuffer(e){p(this.createReadStream(),this.length,e)}getBlob(e){if("undefined"==typeof window)throw new Error("browser-only method");c(this.createReadStream(),this._getMimeType(),e)}getBlobURL(e){if("undefined"==typeof window)throw new Error("browser-only method");u(this.createReadStream(),this._getMimeType(),e)}appendTo(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");l.append(this,e,t,n)}renderTo(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");l.render(this,e,t,n)}_getMimeType(){return l.mime[d.extname(this.name).toLowerCase()]}_destroy(){this._destroyed=!0,this._torrent=null}}t.exports=h}).call(this,e("_process"))},{"./file-stream":1,_process:132,"end-of-stream":65,events:42,path:129,"readable-stream":162,"render-media":163,"stream-to-blob":207,"stream-to-blob-url":206,"stream-with-known-length-to-buffer":208}],3:[function(e,t,n){const r=e("unordered-array-remove"),o=e("debug")("webtorrent:peer"),i=e("bittorrent-protocol"),a=e("./webconn");n.createWebRTCPeer=(e,t)=>{const n=new s(e.id,"webrtc");return n.conn=e,n.swarm=t,n.conn.connected?n.onConnect():(n.conn.once("connect",()=>{n.onConnect()}),n.conn.once("error",e=>{n.destroy(e)}),n.startConnectTimeout()),n},n.createTCPIncomingPeer=e=>{const t=`${e.remoteAddress}:${e.remotePort}`,n=new s(t,"tcpIncoming");return n.conn=e,n.addr=t,n.onConnect(),n},n.createTCPOutgoingPeer=(e,t)=>{const n=new s(e,"tcpOutgoing");return n.addr=e,n.swarm=t,n},n.createWebSeedPeer=(e,t)=>{const n=new s(e,"webSeed");return n.swarm=t,n.conn=new a(e,t),n.onConnect(),n};class s{constructor(e,t){this.id=e,this.type=t,o("new %s Peer %s",t,e),this.addr=null,this.conn=null,this.swarm=null,this.wire=null,this.connected=!1,this.destroyed=!1,this.timeout=null,this.retries=0,this.sentHandshake=!1}onConnect(){if(!this.destroyed){this.connected=!0,o("Peer %s connected",this.id),clearTimeout(this.connectTimeout);const e=this.conn;e.once("end",()=>{this.destroy()}),e.once("close",()=>{this.destroy()}),e.once("finish",()=>{this.destroy()}),e.once("error",e=>{this.destroy(e)});const t=this.wire=new i;t.type=this.type,t.once("end",()=>{this.destroy()}),t.once("close",()=>{this.destroy()}),t.once("finish",()=>{this.destroy()}),t.once("error",e=>{this.destroy(e)}),t.once("handshake",(e,t)=>{this.onHandshake(e,t)}),this.startHandshakeTimeout(),e.pipe(t).pipe(e),this.swarm&&!this.sentHandshake&&this.handshake()}}onHandshake(e,t){if(!this.swarm)return;if(this.destroyed)return;if(this.swarm.destroyed)return this.destroy(new Error("swarm already destroyed"));if(e!==this.swarm.infoHash)return this.destroy(new Error("unexpected handshake info hash for this swarm"));if(t===this.swarm.peerId)return this.destroy(new Error("refusing to connect to ourselves"));o("Peer %s got handshake %s",this.id,e),clearTimeout(this.handshakeTimeout),this.retries=0;let n=this.addr;!n&&this.conn.remoteAddress&&this.conn.remotePort&&(n=`${this.conn.remoteAddress}:${this.conn.remotePort}`),this.swarm._onWire(this.wire,n);this.swarm&&!this.swarm.destroyed&&(this.sentHandshake||this.handshake())}handshake(){const e={dht:!this.swarm.private&&!!this.swarm.client.dht};this.wire.handshake(this.swarm.infoHash,this.swarm.client.peerId,e),this.sentHandshake=!0}startConnectTimeout(){clearTimeout(this.connectTimeout),this.connectTimeout=setTimeout(()=>{this.destroy(new Error("connect timeout"))},"webrtc"===this.type?25e3:5e3),this.connectTimeout.unref&&this.connectTimeout.unref()}startHandshakeTimeout(){clearTimeout(this.handshakeTimeout),this.handshakeTimeout=setTimeout(()=>{this.destroy(new Error("handshake timeout"))},25e3),this.handshakeTimeout.unref&&this.handshakeTimeout.unref()}destroy(e){if(this.destroyed)return;this.destroyed=!0,this.connected=!1,o("destroy %s (error: %s)",this.id,e&&(e.message||e)),clearTimeout(this.connectTimeout),clearTimeout(this.handshakeTimeout);const t=this.swarm,n=this.conn,i=this.wire;this.swarm=null,this.conn=null,this.wire=null,t&&i&&r(t.wires,t.wires.indexOf(i)),n&&(n.on("error",()=>{}),n.destroy()),i&&i.destroy(),t&&t.removePeer(this.id)}}},{"./webconn":6,"bittorrent-protocol":14,debug:62,"unordered-array-remove":219}],4:[function(e,t){t.exports=class{constructor(e){this._torrent=e,this._numPieces=e.pieces.length,this._pieces=Array(this._numPieces),this._onWire=e=>{this.recalculate(),this._initWire(e)},this._onWireHave=e=>{this._pieces[e]+=1},this._onWireBitfield=()=>{this.recalculate()},this._torrent.wires.forEach(e=>{this._initWire(e)}),this._torrent.on("wire",this._onWire),this.recalculate()}getRarestPiece(e){let t=[],n=1/0;for(let r=0;r<this._numPieces;++r){if(e&&!e(r))continue;const o=this._pieces[r];o===n?t.push(r):o<n&&(t=[r],n=o)}return t.length?t[0|Math.random()*t.length]:-1}destroy(){this._torrent.removeListener("wire",this._onWire),this._torrent.wires.forEach(e=>{this._cleanupWireEvents(e)}),this._torrent=null,this._pieces=null,this._onWire=null,this._onWireHave=null,this._onWireBitfield=null}_initWire(e){e._onClose=()=>{this._cleanupWireEvents(e);for(let t=0;t<this._numPieces;++t)this._pieces[t]-=e.peerPieces.get(t)},e.on("have",this._onWireHave),e.on("bitfield",this._onWireBitfield),e.once("close",e._onClose)}recalculate(){this._pieces.fill(0);for(const e of this._torrent.wires)for(let t=0;t<this._numPieces;++t)this._pieces[t]+=e.peerPieces.get(t)}_cleanupWireEvents(e){e.removeListener("have",this._onWireHave),e.removeListener("bitfield",this._onWireBitfield),e._onClose&&e.removeListener("close",e._onClose),e._onClose=null}}},{}],5:[function(e,t){(function(n,r){function d(e,t){return 2+o(t*e.downloadSpeed()/B.BLOCK_LENGTH)}function l(e,t,n){return 1+o(t*e.downloadSpeed()/n)}function c(e){return 0|Math.random()*e}function i(){}const u=e("addr-to-ip-port"),p=e("bitfield"),f=e("chunk-store-stream/write"),h=e("debug")("webtorrent:torrent"),m=e("torrent-discovery"),g=e("events").EventEmitter,_=e("fs"),b=e("fs-chunk-store"),y=e("simple-get"),w=e("immediate-chunk-store"),k=e("multistream"),x=e("net"),S=e("os"),v=e("run-parallel"),E=e("run-parallel-limit"),C=e("parse-torrent"),L=e("path"),B=e("torrent-piece"),I=e("pump"),T=e("random-iterate"),R=e("simple-sha1"),A=e("speedometer"),U=e("uniq"),P=e("ut_metadata"),M=e("ut_pex"),O=e("parse-numeric-range"),j=e("./file"),N=e("./peer"),H=e("./rarity-map"),q=e("./server"),D=5e3,F=3*B.BLOCK_LENGTH,W=1,z=n.browser?1/0:2,V=[1e3,5e3,15e3],G=e("../package.json").version,K=`WebTorrent/${G} (https://webtorrent.io)`;let Y;try{Y=L.join(_.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){Y=L.join("function"==typeof S.tmpdir?S.tmpdir():"/","webtorrent")}class X extends g{constructor(e,t,n){super(),this._debugId="unknown infohash",this.client=t,this.announce=n.announce,this.urlList=n.urlList,this.path=n.path,this.skipVerify=!!n.skipVerify,this._store=n.store||b,this._getAnnounceOpts=n.getAnnounceOpts,this.strategy=n.strategy||"sequential",this.maxWebConns=n.maxWebConns||4,this._rechokeNumSlots=!1===n.uploads||0===n.uploads?0:+n.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this.ready=!1,this.destroyed=!1,this.paused=!1,this.done=!1,this.metadata=null,this.store=null,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=[],this._critical=[],this.wires=[],this._queue=[],this._peers={},this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=A(),this._uploadSpeed=A(),this._servers=[],this._xsRequests=[],this._fileModtimes=n.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}get timeRemaining(){return this.done?0:0===this.downloadSpeed?1/0:1e3*((this.length-this.downloaded)/this.downloadSpeed)}get downloaded(){if(!this.bitfield)return 0;let e=0;for(let t=0,n=this.pieces.length;t<n;++t)if(this.bitfield.get(t))e+=t==n-1?this.lastPieceLength:this.pieceLength;else{const n=this.pieces[t];e+=n.length-n.missing}return e}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){return this.length?this.downloaded/this.length:0}get ratio(){return this.uploaded/(this.received||1)}get numPeers(){return this.wires.length}get torrentFileBlobURL(){if("undefined"==typeof window)throw new Error("browser-only property");return this.torrentFile?URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"})):null}get _numQueued(){return this._queue.length+(this._peersLength-this._numConns)}get _numConns(){let e=0;for(const t in this._peers)this._peers[t].connected&&(e+=1);return e}get swarm(){return console.warn("WebTorrent: `torrent.swarm` is deprecated. Use `torrent` directly instead."),this}_onTorrentId(e){if(this.destroyed)return;let t;try{t=C(e)}catch(e){}t?(this.infoHash=t.infoHash,this._debugId=t.infoHash.toString("hex").substring(0,7),n.nextTick(()=>{this.destroyed||this._onParsedTorrent(t)})):C.remote(e,(e,t)=>this.destroyed?void 0:e?this._destroy(e):void this._onParsedTorrent(t))}_onParsedTorrent(e){if(!this.destroyed){if(this._processParsedTorrent(e),!this.infoHash)return this._destroy(new Error("Malformed torrent data: No info hash"));(this.path||(this.path=L.join(Y,this.infoHash)),this._rechokeIntervalId=setInterval(()=>{this._rechoke()},1e4),this._rechokeIntervalId.unref&&this._rechokeIntervalId.unref(),this.emit("_infoHash",this.infoHash),!this.destroyed)&&(this.emit("infoHash",this.infoHash),this.destroyed||(this.client.listening?this._onListening():this.client.once("listening",()=>{this._onListening()})))}}_processParsedTorrent(e){this._debugId=e.infoHash.toString("hex").substring(0,7),this.announce&&(e.announce=e.announce.concat(this.announce)),this.client.tracker&&r.WEBTORRENT_ANNOUNCE&&!this.private&&(e.announce=e.announce.concat(r.WEBTORRENT_ANNOUNCE)),this.urlList&&(e.urlList=e.urlList.concat(this.urlList)),U(e.announce),U(e.urlList),Object.assign(this,e),this.magnetURI=C.toMagnetURI(e),this.torrentFile=C.toTorrentFile(e)}_onListening(){if(this.discovery||this.destroyed)return;let e=this.client.tracker;e&&(e=Object.assign({},this.client.tracker,{getAnnounceOpts:()=>{const e={uploaded:this.uploaded,downloaded:this.downloaded,left:a(this.length-this.downloaded,0)};return this.client.tracker.getAnnounceOpts&&Object.assign(e,this.client.tracker.getAnnounceOpts()),this._getAnnounceOpts&&Object.assign(e,this._getAnnounceOpts()),e}})),this.discovery=new m({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:e,port:this.client.torrentPort,userAgent:K}),this.discovery.on("error",e=>{this._destroy(e)}),this.discovery.on("peer",e=>{"string"==typeof e&&this.done||this.addPeer(e)}),this.discovery.on("trackerAnnounce",()=>{this.emit("trackerAnnounce"),0===this.numPeers&&this.emit("noPeers","tracker")}),this.discovery.on("dhtAnnounce",()=>{this.emit("dhtAnnounce"),0===this.numPeers&&this.emit("noPeers","dht")}),this.discovery.on("warning",e=>{this.emit("warning",e)}),this.info?this._onMetadata(this):this.xs&&this._getMetadataFromServer()}_getMetadataFromServer(){function e(e,n){function r(r,o,i){if(t.destroyed)return n(null);if(t.metadata)return n(null);if(r)return t.emit("warning",new Error(`http error from xs param: ${e}`)),n(null);if(200!==o.statusCode)return t.emit("warning",new Error(`non-200 status code ${o.statusCode} from xs param: ${e}`)),n(null);let a;try{a=C(i)}catch(e){}return a?a.infoHash===t.infoHash?void(t._onMetadata(a),n(null)):(t.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${e}`)),n(null)):(t.emit("warning",new Error(`got invalid torrent file from xs param: ${e}`)),n(null))}if(0!==e.indexOf("http://")&&0!==e.indexOf("https://"))return t.emit("warning",new Error(`skipping non-http xs param: ${e}`)),n(null);let o;try{o=y.concat({url:e,method:"GET",headers:{"user-agent":K}},r)}catch(r){return t.emit("warning",new Error(`skipping invalid url xs param: ${e}`)),n(null)}t._xsRequests.push(o)}const t=this,n=Array.isArray(this.xs)?this.xs:[this.xs],r=n.map(t=>n=>{e(t,n)});v(r)}_onMetadata(e){if(this.metadata||this.destroyed)return;this._debug("got metadata"),this._xsRequests.forEach(e=>{e.abort()}),this._xsRequests=[];let t;if(e&&e.infoHash)t=e;else try{t=C(e)}catch(e){return this._destroy(e)}if(this._processParsedTorrent(t),this.metadata=this.torrentFile,this.client.enableWebSeeds&&this.urlList.forEach(e=>{this.addWebSeed(e)}),this._rarityMap=new H(this),this.store=new w(new this._store(this.pieceLength,{torrent:{infoHash:this.infoHash},files:this.files.map(e=>({path:L.join(this.path,e.path),length:e.length,offset:e.offset})),length:this.length,name:this.infoHash})),this.files=this.files.map(e=>new j(this,e)),this.so){const e=O.parse(this.so);this.files.forEach((t,n)=>{e.includes(n)&&this.files[n].select(!0)})}else 0!==this.pieces.length&&this.select(0,this.pieces.length-1,!1);this._hashes=this.pieces,this.pieces=this.pieces.map((e,t)=>{const n=t===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new B(n)}),this._reservations=this.pieces.map(()=>[]),this.bitfield=new p(this.pieces.length),this.wires.forEach(e=>{e.ut_metadata&&e.ut_metadata.setMetadata(this.metadata),this._onWireWithMetadata(e)}),this.skipVerify?(this._markAllVerified(),this._onStore()):(this._debug("verifying existing torrent data"),this._fileModtimes&&this._store===b?this.getFileModtimes((e,t)=>{if(e)return this._destroy(e);const n=this.files.map((e,n)=>t[n]===this._fileModtimes[n]).every(e=>e);n?(this._markAllVerified(),this._onStore()):this._verifyPieces()}):this._verifyPieces()),this.emit("metadata")}getFileModtimes(e){const t=[];E(this.files.map((e,n)=>r=>{_.stat(L.join(this.path,e.path),(e,o)=>e&&"ENOENT"!==e.code?r(e):void(t[n]=o&&o.mtime.getTime(),r(null)))}),z,n=>{this._debug("done getting file modtimes"),e(n,t)})}_verifyPieces(){E(this.pieces.map((e,t)=>e=>this.destroyed?e(new Error("torrent is destroyed")):void this.store.get(t,(r,o)=>this.destroyed?e(new Error("torrent is destroyed")):r?n.nextTick(e,null):void R(o,n=>{if(this.destroyed)return e(new Error("torrent is destroyed"));if(n===this._hashes[t]){if(!this.pieces[t])return;this._debug("piece verified %s",t),this._markVerified(t)}else this._debug("piece invalid %s",t);e(null)}))),z,e=>e?this._destroy(e):void(this._debug("done verifying"),this._onStore()))}_markAllVerified(){for(let e=0;e<this.pieces.length;e++)this._markVerified(e)}_markVerified(e){this.pieces[e]=null,this._reservations[e]=null,this.bitfield.set(e,!0)}_onStore(){this.destroyed||(this._debug("on store"),this.ready=!0,this.emit("ready"),this._checkDone(),this._updateSelections())}destroy(e){this._destroy(null,e)}_destroy(e,t){if(!this.destroyed){for(const e in this.destroyed=!0,this._debug("destroy"),this.client._remove(this),clearInterval(this._rechokeIntervalId),this._xsRequests.forEach(e=>{e.abort()}),this._rarityMap&&this._rarityMap.destroy(),this._peers)this.removePeer(e);this.files.forEach(e=>{e instanceof j&&e._destroy()});const n=this._servers.map(e=>t=>{e.destroy(t)});this.discovery&&n.push(e=>{this.discovery.destroy(e)}),this.store&&n.push(e=>{this.store.close(e)}),v(n,t),e&&(0===this.listenerCount("error")?this.client.emit("error",e):this.emit("error",e)),this.emit("close"),this.client=null,this.files=[],this.discovery=null,this.store=null,this._rarityMap=null,this._peers=null,this._servers=null,this._xsRequests=null}}addPeer(t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");if(this.client.blocked){let e;if("string"==typeof t){let n;try{n=u(t)}catch(n){return this._debug("ignoring peer: invalid %s",t),this.emit("invalidPeer",t),!1}e=n[0]}else"string"==typeof t.remoteAddress&&(e=t.remoteAddress);if(e&&this.client.blocked.contains(e))return this._debug("ignoring peer: blocked %s",t),"string"!=typeof t&&t.destroy(),this.emit("blockedPeer",t),!1}const e=!!this._addPeer(t);return e?this.emit("peer",t):this.emit("invalidPeer",t),e}_addPeer(e){if(this.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!this._validAddr(e))return this._debug("ignoring peer: invalid %s",e),null;const t=e&&e.id||e;if(this._peers[t])return this._debug("ignoring peer: duplicate (%s)",t),"string"!=typeof e&&e.destroy(),null;if(this.paused)return this._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null;this._debug("add peer %s",t);let n;return n="string"==typeof e?N.createTCPOutgoingPeer(e,this):N.createWebRTCPeer(e,this),this._peers[n.id]=n,this._peersLength+=1,"string"==typeof e&&(this._queue.push(n),this._drain()),n}addWebSeed(e){if(this.destroyed)throw new Error("torrent is destroyed");if(!/^https?:\/\/.+/.test(e))return this.emit("warning",new Error(`ignoring invalid web seed: ${e}`)),void this.emit("invalidPeer",e);if(this._peers[e])return this.emit("warning",new Error(`ignoring duplicate web seed: ${e}`)),void this.emit("invalidPeer",e);this._debug("add web seed %s",e);const t=N.createWebSeedPeer(e,this);this._peers[t.id]=t,this._peersLength+=1,this.emit("peer",e)}_addIncomingPeer(e){return this.destroyed?e.destroy(new Error("torrent is destroyed")):this.paused?e.destroy(new Error("torrent is paused")):void(this._debug("add incoming peer %s",e.id),this._peers[e.id]=e,this._peersLength+=1)}removePeer(e){const t=e&&e.id||e;e=this._peers[t];e&&(this._debug("removePeer %s",t),delete this._peers[t],this._peersLength-=1,e.destroy(),this._drain())}select(e,t,n,r){if(this.destroyed)throw new Error("torrent is destroyed");if(0>e||t<e||this.pieces.length<=t)throw new Error("invalid selection ",e,":",t);n=+n||0,this._debug("select %s-%s (priority %s)",e,t,n),this._selections.push({from:e,to:t,offset:0,priority:n,notify:r||i}),this._selections.sort((e,t)=>t.priority-e.priority),this._updateSelections()}deselect(e,t,n){if(this.destroyed)throw new Error("torrent is destroyed");n=+n||0,this._debug("deselect %s-%s (priority %s)",e,t,n);for(let r=0;r<this._selections.length;++r){const o=this._selections[r];if(o.from===e&&o.to===t&&o.priority===n){this._selections.splice(r,1);break}}this._updateSelections()}critical(e,t){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("critical %s-%s",e,t);for(let n=e;n<=t;++n)this._critical[n]=!0;this._updateSelections()}_onWire(e,t){if(this._debug("got wire %s (%s)",e._debugId,t||"Unknown"),e.on("download",e=>{this.destroyed||(this.received+=e,this._downloadSpeed(e),this.client._downloadSpeed(e),this.emit("download",e),this.client.emit("download",e))}),e.on("upload",e=>{this.destroyed||(this.uploaded+=e,this._uploadSpeed(e),this.client._uploadSpeed(e),this.emit("upload",e),this.client.emit("upload",e))}),this.wires.push(e),t){const n=u(t);e.remoteAddress=n[0],e.remotePort=n[1]}this.client.dht&&this.client.dht.listening&&e.on("port",n=>this.destroyed||this.client.dht.destroyed?void 0:e.remoteAddress?0===n||65536<n?this._debug("ignoring invalid PORT from peer"):void(this._debug("port: %s (from %s)",n,t),this.client.dht.addNode({host:e.remoteAddress,port:n})):this._debug("ignoring PORT from peer with no address")),e.on("timeout",()=>{this._debug("wire timeout (%s)",t),e.destroy()}),e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(P(this.metadata)),e.ut_metadata.on("warning",e=>{this._debug("ut_metadata warning: %s",e.message)}),this.metadata||(e.ut_metadata.on("metadata",e=>{this._debug("got metadata via ut_metadata"),this._onMetadata(e)}),e.ut_metadata.fetch()),"function"!=typeof M||this.private||(e.use(M()),e.ut_pex.on("peer",e=>{this.done||(this._debug("ut_pex: got peer: %s (from %s)",e,t),this.addPeer(e))}),e.ut_pex.on("dropped",e=>{const n=this._peers[e];n&&!n.connected&&(this._debug("ut_pex: dropped peer: %s (from %s)",e,t),this.removePeer(e))}),e.once("close",()=>{e.ut_pex.reset()})),this.emit("wire",e,t),this.metadata&&n.nextTick(()=>{this._onWireWithMetadata(e)})}_onWireWithMetadata(e){let t=null;const n=()=>{this.destroyed||e.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&e.amInterested?e.destroy():(t=setTimeout(n,D),t.unref&&t.unref()))};let r;const o=()=>{if(e.peerPieces.buffer.length===this.bitfield.buffer.length){for(r=0;r<this.pieces.length;++r)if(!e.peerPieces.get(r))return;e.isSeeder=!0,e.choke()}};e.on("bitfield",()=>{o(),this._update()}),e.on("have",()=>{o(),this._update()}),e.once("interested",()=>{e.unchoke()}),e.once("close",()=>{clearTimeout(t)}),e.on("choke",()=>{clearTimeout(t),t=setTimeout(n,D),t.unref&&t.unref()}),e.on("unchoke",()=>{clearTimeout(t),this._update()}),e.on("request",(t,n,r,o)=>r>131072?e.destroy():void(this.pieces[t]||this.store.get(t,{offset:n,length:r},o))),e.bitfield(this.bitfield),e.uninterested(),e.peerExtensions.dht&&this.client.dht&&this.client.dht.listening&&e.port(this.client.dht.address().port),"webSeed"!==e.type&&(t=setTimeout(n,D),t.unref&&t.unref()),e.isSeeder=!1,o()}_updateSelections(){!this.ready||this.destroyed||(n.nextTick(()=>{this._gcSelections()}),this._updateInterest(),this._update())}_gcSelections(){for(let e=0;e<this._selections.length;++e){const t=this._selections[e],n=t.offset;for(;this.bitfield.get(t.from+t.offset)&&t.from+t.offset<t.to;)t.offset+=1;n!==t.offset&&t.notify(),t.to===t.from+t.offset&&this.bitfield.get(t.from+t.offset)&&(this._selections.splice(e,1),e-=1,t.notify(),this._updateInterest())}this._selections.length||this.emit("idle")}_updateInterest(){const e=this._amInterested;this._amInterested=!!this._selections.length,this.wires.forEach(e=>{let t=!1;for(let n=0;n<this.pieces.length;++n)if(this.pieces[n]&&e.peerPieces.get(n)){t=!0;break}t?e.interested():e.uninterested()});e===this._amInterested||(this._amInterested?this.emit("interested"):this.emit("uninterested"))}_update(){if(!this.destroyed){const e=T(this.wires);for(let t;t=e();)this._updateWire(t)}}_updateWire(e){function t(t,n,r,o){return a=>a>=t&&a<=n&&!(a in r)&&e.peerPieces.get(a)&&(!o||o(a))}function n(){const t=e.downloadSpeed()||1;if(t>F)return()=>!0;const n=a(1,e.requests.length)*B.BLOCK_LENGTH/t;let r=10,o=0;return e=>{if(!r||s.bitfield.get(e))return!0;for(let i=s.pieces[e].missing;o<s.wires.length;o++){const a=s.wires[o],d=a.downloadSpeed();if(!(d<F)&&!(d<=t)&&a.peerPieces.get(e)&&!(0<(i-=d*n)))return r--,!1}return!0}}function r(e){let t=e;for(let n=e;n<s._selections.length&&s._selections[n].priority;n++)t=n;const n=s._selections[e];s._selections[e]=s._selections[t],s._selections[t]=n}function o(o){if(e.requests.length>=l)return!0;const a=n();for(let n=0;n<s._selections.length;n++){const i=s._selections[n];let d;if("rarest"===s.strategy){const c=i.from+i.offset,u=i.to,p={};let f=0;for(const h=t(c,u,p,a);f<u-c+1&&(d=s._rarityMap.getRarestPiece(h),!(0>d));){for(;s._request(e,d,s._critical[d]||o););if(e.requests.length<l){p[d]=!0,f++;continue}return i.priority&&r(n),!0}}else for(d=i.from+i.offset;d<=i.to;d++)if(e.peerPieces.get(d)&&a(d)){for(;s._request(e,d,s._critical[d]||o););if(!(e.requests.length<l))return i.priority&&r(n),!0}}return!1}const s=this;if(e.peerChoking)return;if(!e.downloaded)return function(){if(!e.requests.length)for(let n=s._selections.length;n--;){const r=s._selections[n];let o;if("rarest"===s.strategy){const n=r.from+r.offset,i=r.to,a={};let d=0;for(const r=t(n,i,a);d<i-n+1&&(o=s._rarityMap.getRarestPiece(r),!(0>o));){if(s._request(e,o,!1))return;a[o]=!0,d+=1}}else for(o=r.to;o>=r.from+r.offset;--o)if(e.peerPieces.get(o)&&s._request(e,o,!1))return}}();const i=d(e,.5);if(e.requests.length>=i)return;const l=d(e,W);o(!1)||o(!0)}_rechoke(){if(!this.ready)return;0<this._rechokeOptimisticTime?this._rechokeOptimisticTime-=1:this._rechokeOptimisticWire=null;const e=[];this.wires.forEach(t=>{t.isSeeder||t===this._rechokeOptimisticWire||e.push({wire:t,downloadSpeed:t.downloadSpeed(),uploadSpeed:t.uploadSpeed(),salt:Math.random(),isChoked:!0})}),e.sort(function(e,t){return e.downloadSpeed===t.downloadSpeed?e.uploadSpeed===t.uploadSpeed?e.wire.amChoking===t.wire.amChoking?e.salt-t.salt:e.wire.amChoking?1:-1:t.uploadSpeed-e.uploadSpeed:t.downloadSpeed-e.downloadSpeed});let t=0,n=0;for(;n<e.length&&t<this._rechokeNumSlots;++n)e[n].isChoked=!1,e[n].wire.peerInterested&&(t+=1);if(!this._rechokeOptimisticWire&&n<e.length&&this._rechokeNumSlots){const t=e.slice(n).filter(e=>e.wire.peerInterested),r=t[c(t.length)];r&&(r.isChoked=!1,this._rechokeOptimisticWire=r.wire,this._rechokeOptimisticTime=2)}e.forEach(e=>{e.wire.amChoking!==e.isChoked&&(e.isChoked?e.wire.choke():e.wire.unchoke())})}_hotswap(e,t){const n=e.downloadSpeed();if(n<B.BLOCK_LENGTH)return!1;if(!this._reservations[t])return!1;const o=this._reservations[t];if(!o)return!1;let r=1/0,a,s;for(s=0;s<o.length;s++){const t=o[s];if(!t||t===e)continue;const i=t.downloadSpeed();i>=F||2*i>n||i>r||(a=t,r=i)}if(!a)return!1;for(s=0;s<o.length;s++)o[s]===a&&(o[s]=null);for(s=0;s<a.requests.length;s++){const e=a.requests[s];e.piece===t&&this.pieces[t].cancel(0|e.offset/B.BLOCK_LENGTH)}return this.emit("hotswap",a,e,t),!0}_request(e,t,o){function a(){n.nextTick(()=>{c._update()})}const c=this,u=e.requests.length,p="webSeed"===e.type;if(c.bitfield.get(t))return!1;const f=p?s(l(e,W,c.pieceLength),c.maxWebConns):d(e,W);if(u>=f)return!1;const h=c.pieces[t];let m=p?h.reserveRemaining():h.reserve();if(-1===m&&o&&c._hotswap(e,t)&&(m=p?h.reserveRemaining():h.reserve()),-1===m)return!1;let g=c._reservations[t];g||(g=c._reservations[t]=[]);let _=g.indexOf(null);-1===_&&(_=g.length),g[_]=e;const b=h.chunkOffset(m),y=p?h.chunkLengthRemaining(m):h.chunkLength(m);return e.request(t,b,y,function n(r,o){if(c.destroyed)return;if(!c.ready)return c.once("ready",()=>{n(r,o)});if(g[_]===e&&(g[_]=null),h!==c.pieces[t])return a();if(r)return c._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,b,y,`${e.remoteAddress}:${e.remotePort}`,r.message),p?h.cancelRemaining(m):h.cancel(m),void a();if(c._debug("got piece %s (offset: %s length: %s) from %s",t,b,y,`${e.remoteAddress}:${e.remotePort}`),!h.set(m,o,e))return a();const i=h.flush();R(i,e=>{if(!c.destroyed){if(e===c._hashes[t]){if(!c.pieces[t])return;c._debug("piece verified %s",t),c.pieces[t]=null,c._reservations[t]=null,c.bitfield.set(t,!0),c.store.put(t,i),c.wires.forEach(e=>{e.have(t)}),c._checkDone()&&!c.destroyed&&c.discovery.complete()}else c.pieces[t]=new B(h.length),c.emit("warning",new Error(`Piece ${t} failed verification`));a()}})}),!0}_checkDone(){if(this.destroyed)return;this.files.forEach(e=>{if(!e.done){for(let t=e._startPiece;t<=e._endPiece;++t)if(!this.bitfield.get(t))return;e.done=!0,e.emit("done"),this._debug(`file done: ${e.name}`)}});let e=!0;for(let t=0;t<this._selections.length;t++){const n=this._selections[t];for(let t=n.from;t<=n.to;t++)if(!this.bitfield.get(t)){e=!1;break}if(!e)break}return!this.done&&e&&(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done")),this._gcSelections(),e}load(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",()=>{this.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=i);const n=new k(e),r=new f(this.store,this.pieceLength);I(n,r,e=>e?t(e):void(this._markAllVerified(),this._checkDone(),t(null)))}createServer(e){if("function"!=typeof q)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");const t=new q(this,e);return this._servers.push(t),t}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const e=[].slice.call(arguments);e[0]=`[${this.client._debugId}] [${this._debugId}] ${e[0]}`,h(...e)}_drain(){if(this._debug("_drain numConns %s maxConns %s",this._numConns,this.client.maxConns),"function"!=typeof x.connect||this.destroyed||this.paused||this._numConns>=this.client.maxConns)return;this._debug("drain (%s queued, %s/%s peers)",this._numQueued,this.numPeers,this.client.maxConns);const e=this._queue.shift();if(!e)return;this._debug("tcp connect attempt to %s",e.addr);const t=u(e.addr),n={host:t[0],port:t[1]},r=e.conn=x.connect(n);r.once("connect",()=>{e.onConnect()}),r.once("error",t=>{e.destroy(t)}),e.startConnectTimeout(),r.on("close",()=>{if(!this.destroyed){if(e.retries>=V.length)return void this._debug("conn %s closed: will not re-add (max %s attempts)",e.addr,V.length);const t=V[e.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",e.addr,t,e.retries+1);const n=setTimeout(()=>{const t=this._addPeer(e.addr);t&&(t.retries=e.retries+1)},t);n.unref&&n.unref()}})}_validAddr(e){let t;try{t=u(e)}catch(t){return!1}const n=t[0],r=t[1];return 0<r&&65535>r&&("127.0.0.1"!==n||r!==this.client.torrentPort)}}t.exports=X}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../package.json":229,"./file":2,"./peer":3,"./rarity-map":4,"./server":39,_process:132,"addr-to-ip-port":7,bitfield:13,"chunk-store-stream/write":58,debug:62,events:42,fs:40,"fs-chunk-store":98,"immediate-chunk-store":79,multistream:115,net:39,os:39,"parse-numeric-range":127,"parse-torrent":128,path:129,pump:133,"random-iterate":138,"run-parallel":166,"run-parallel-limit":165,"simple-get":170,"simple-sha1":181,speedometer:192,"torrent-discovery":214,"torrent-piece":215,uniq:218,ut_metadata:222,ut_pex:39}],6:[function(e,t){const n=e("bitfield"),r=e("safe-buffer").Buffer,o=e("debug")("webtorrent:webconn"),i=e("simple-get"),d=e("simple-sha1"),l=e("bittorrent-protocol"),c=e("../package.json").version;t.exports=class extends l{constructor(e,t){super(),this.url=e,this.webPeerId=d.sync(e),this._torrent=t,this._init()}_init(){this.setKeepAlive(!0),this.once("handshake",e=>{if(this.destroyed)return;this.handshake(e,this.webPeerId);const t=this._torrent.pieces.length,r=new n(t);for(let n=0;n<=t;n++)r.set(n,!0);this.bitfield(r)}),this.once("interested",()=>{o("interested"),this.unchoke()}),this.on("uninterested",()=>{o("uninterested")}),this.on("choke",()=>{o("choke")}),this.on("unchoke",()=>{o("unchoke")}),this.on("bitfield",()=>{o("bitfield")}),this.on("request",(e,t,n,r)=>{o("request pieceIndex=%d offset=%d length=%d",e,t,n),this.httpRequest(e,t,n,r)})}httpRequest(e,t,n,d){const l=e*this._torrent.pieceLength,u=l+t,p=u+n-1,f=this._torrent.files;let h;if(1>=f.length)h=[{url:this.url,start:u,end:p}];else{const e=f.filter(e=>e.offset<=p&&e.offset+e.length>u);if(1>e.length)return d(new Error("Could not find file corresponnding to web seed range request"));h=e.map(e=>{const 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i(0,{grow:4e5}),this.peerExtensions={},this.requests=[],this.peerRequests=[],this.extendedMapping={},this.peerExtendedMapping={},this.extendedHandshake={},this.peerExtendedHandshake={},this._ext={},this._nextExt=1,this.uploaded=0,this.downloaded=0,this.uploadSpeed=l(),this.downloadSpeed=l(),this._keepAliveInterval=null,this._timeout=null,this._timeoutMs=0,this.destroyed=!1,this._finished=!1,this._parserSize=0,this._parser=null,this._buffer=[],this._bufferSize=0,this.on("finish",this._onFinish),this._parseHandshake()}setKeepAlive(e){this._debug("setKeepAlive %s",e),clearInterval(this._keepAliveInterval);!1===e||(this._keepAliveInterval=setInterval(()=>{this.keepAlive()},55e3))}setTimeout(e,t){this._debug("setTimeout ms=%d 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Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,r);const a=n.from(_);a[5]|=16,r&&r.dht&&(a[7]|=1),this._push(n.concat([u,a,o,i])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const e=s(this.extendedHandshake);for(const t in e.m={},this.extendedMapping){const n=this.extendedMapping[t];e.m[n]=+t}this.extended(0,o.encode(e)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking){for(this.amChoking=!0,this._debug("choke");this.peerRequests.length;)this.peerRequests.pop();this._push(f)}}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(h))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(m))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(g))}have(e){this._debug("have %d",e),this._message(4,[e],null)}bitfield(e){this._debug("bitfield"),n.isBuffer(e)||(e=e.buffer),this._message(5,[],e)}request(e,t,n,r){return r||(r=()=>{}),this._finished?r(new Error("wire is closed")):this.peerChoking?r(new Error("peer is choking")):void(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new y(e,t,n,r)),this._updateTimeout(),this._message(6,[e,t,n],null))}piece(e,t,n){this._debug("piece index=%d offset=%d",e,t),this.uploaded+=n.length,this.uploadSpeed(n.length),this.emit("upload",n.length),this._message(7,[e,t],n)}cancel(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(this._pull(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)}port(e){this._debug("port %d",e);const t=n.from(b);t.writeUInt16BE(e,5),this._push(t)}extended(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"==typeof e){const r=n.from([e]),i=n.isBuffer(t)?t:o.encode(t);this._message(20,[],n.concat([r,i]))}else throw new Error(`Unrecognized extension: ${e}`)}_read(){}_message(e,t,r){const o=r?r.length:0,a=n.allocUnsafe(5+4*t.length);a.writeUInt32BE(a.length+o-4,0),a[4]=e;for(let n=0;n<t.length;n++)a.writeUInt32BE(t[n],5+4*n);this._push(a),r&&this._push(r)}_push(e){return this._finished?void 0:this.push(e)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onHandshake(e,t,n){const r=e.toString("hex"),o=t.toString("hex");this._debug("got handshake i=%s p=%s exts=%o",r,o,n),this.peerId=o,this.peerIdBuffer=t,this.peerExtensions=n,this.emit("handshake",r,o,n);for(var i in this._ext)this._ext[i].onHandshake(r,o,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_onChoke(){for(this.peerChoking=!0,this._debug("got choke"),this.emit("choke");this.requests.length;)this._callback(this.requests.pop(),new Error("peer is choking"),null)}_onUnchoke(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")}_onInterested(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")}_onUninterested(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")}_onHave(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))}_onBitField(e){this.peerPieces=new i(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(e,t,n){if(!this.amChoking){this._debug("got request index=%d offset=%d length=%d",e,t,n);const o=(o,i)=>r===this._pull(this.peerRequests,e,t,n)?o?this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,o.message):void this.piece(e,t,i):void 0;var r=new y(e,t,n,o);this.peerRequests.push(r),this.emit("request",e,t,n,o)}}_onPiece(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(this._pull(this.requests,e,t,n.length),null,n),this.downloaded+=n.length,this.downloadSpeed(n.length),this.emit("download",n.length),this.emit("piece",e,t,n)}_onCancel(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),this._pull(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)}_onPort(e){this._debug("got port %d",e),this.emit("port",e)}_onExtended(e,t){if(0===e){let e;try{e=o.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!e)return;this.peerExtendedHandshake=e;if("object"==typeof e.m)for(var n in e.m)this.peerExtendedMapping[n]=+e.m[n].toString();for(n in this._ext)this.peerExtendedMapping[n]&&this._ext[n].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[e]&&(e=this.extendedMapping[e],this._ext[e]&&this._ext[e].onMessage(t)),this._debug("got extended message 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t=e.readUInt32BE(0);0<t?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(e){switch(this._parse(4,this._onMessageLength),e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",e);}}_parseHandshake(){this._parse(1,e=>{const t=e.readUInt8(0);this._parse(t+48,e=>{const n=e.slice(0,t);return"BitTorrent 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n=d(e,{action:"announce",info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary});if(t._trackerId&&(n.trackerid=t._trackerId),"stopped"===e.event||"completed"===e.event)t._send(n);else{var r=s(e.numwant,10);t._generateOffers(r,function(e){n.numwant=r,n.offers=e,t._send(n)})}}},o.prototype.scrape=function(e){var t=this;if(!(t.destroyed||t.reconnecting)){if(!t.socket.connected)return void t.socket.once("connect",function(){t.scrape(e)});var n=Array.isArray(e.infoHash)&&0<e.infoHash.length?e.infoHash.map(function(e){return e.toString("binary")}):e.infoHash&&e.infoHash.toString("binary")||t.client._infoHashBinary;t._send({action:"scrape",info_hash:n})}},o.prototype.destroy=function(e){function t(){s&&(clearTimeout(s),s=null),a.removeListener("data",t),a.destroy(),a=null}var n=this;if(e||(e=i),n.destroyed)return e(null);for(var r in n.destroyed=!0,clearInterval(n.interval),clearTimeout(n.reconnectTimer),n.peers){var o=n.peers[r];clearTimeout(o.trackerTimeout),o.destroy()}if(n.peers=null,n.socket&&(n.socket.removeListener("connect",n._onSocketConnectBound),n.socket.removeListener("data",n._onSocketDataBound),n.socket.removeListener("close",n._onSocketCloseBound),n.socket.removeListener("error",n._onSocketErrorBound),n.socket=null),n._onSocketConnectBound=null,n._onSocketErrorBound=null,n._onSocketDataBound=null,n._onSocketCloseBound=null,m[n.announceUrl]&&(m[n.announceUrl].consumers-=1),0<m[n.announceUrl].consumers)return e();var a=m[n.announceUrl];if(delete m[n.announceUrl],a.on("error",i),a.once("close",e),!n.expectingResponse)return t();var s=setTimeout(t,f.DESTROY_TIMEOUT);a.once("data",t)},o.prototype._openSocket=function(){var e=this;e.destroyed=!1,e.peers||(e.peers={}),e._onSocketConnectBound=function(){e._onSocketConnect()},e._onSocketErrorBound=function(t){e._onSocketError(t)},e._onSocketDataBound=function(t){e._onSocketData(t)},e._onSocketCloseBound=function(){e._onSocketClose()},e.socket=m[e.announceUrl],e.socket?m[e.announceUrl].consumers+=1:(e.socket=m[e.announceUrl]=new p(e.announceUrl),e.socket.consumers=1,e.socket.once("connect",e._onSocketConnectBound)),e.socket.on("data",e._onSocketDataBound),e.socket.once("close",e._onSocketCloseBound),e.socket.once("error",e._onSocketErrorBound)},o.prototype._onSocketConnect=function(){var e=this;e.destroyed||e.reconnecting&&(e.reconnecting=!1,e.retries=0,e.announce(e.client._defaultAnnounceOpts()))},o.prototype._onSocketData=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!1;try{e=JSON.parse(e)}catch(e){return void t.client.emit("warning",new Error("Invalid tracker 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e(){setTimeout(function(){t.destroy()},1e3)}var t=this;t.destroyed||(t.connected?e():t.once("connect",e))},r.prototype._createOffer=function(){var e=this;e.destroyed||e._pc.createOffer(function(t){function n(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})}e.destroyed||(t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,function(){e._debug("createOffer success");e.destroyed||(e.trickle||e._iceComplete?n():e.once("_iceComplete",n))},function(t){e.destroy(o(t,"ERR_SET_LOCAL_DESCRIPTION"))}))},function(t){e.destroy(o(t,"ERR_CREATE_OFFER"))},e.offerConstraints)},r.prototype._createAnswer=function(){var e=this;e.destroyed||e._pc.createAnswer(function(t){function n(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})}e.destroyed||(t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,function(){e.destroyed||(e.trickle||e._iceComplete?n():e.once("_iceComplete",n))},function(t){e.destroy(o(t,"ERR_SET_LOCAL_DESCRIPTION"))}))},function(t){e.destroy(o(t,"ERR_CREATE_ANSWER"))},e.answerConstraints)},r.prototype._onIceStateChange=function(){var e=this;if(!e.destroyed){var t=e._pc.iceConnectionState,n=e._pc.iceGatheringState;e._debug("iceStateChange (connection: %s) (gathering: %s)",t,n),e.emit("iceStateChange",t,n),("connected"===t||"completed"===t)&&(e._pcReady=!0,e._maybeReady()),"failed"===t&&e.destroy(o("Ice connection failed.","ERR_ICE_CONNECTION_FAILURE")),"closed"===t&&e.destroy(new Error("Ice connection closed."))}},r.prototype.getStats=function(e){var t=this;0===t._pc.getStats.length?t._pc.getStats().then(function(t){var 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r=this.metadata.slice(t,n);this._data(e,r,this._metadataSize)}_onData(e,t){t.length>c||(t.copy(this.metadata,e*c),this._bitfield.set(e),this._checkDone())}_onReject(e){0<this._remainingRejects&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("warning",new Error("Peer sent \"reject\" too much"))}_requestPieces(){this.metadata=n.alloc(this._metadataSize);for(let e=0;e<this._numPieces;e++)this._request(e)}_checkDone(){let e=!0;for(let t=0;t<this._numPieces;t++)if(!this._bitfield.get(t)){e=!1;break}if(e){const e=this.setMetadata(this.metadata);e||this._failedMetadata()}}_failedMetadata(){this._bitfield=new a(0,{grow:l}),this._remainingRejects-=this._numPieces,0<this._remainingRejects?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return t.prototype.name="ut_metadata",t}}).call(this,e("buffer").Buffer)},{bencode:11,bitfield:13,buffer:41,debug:62,events:42,"simple-sha1":181}],223:[function(e,t){(function(e){function n(t){try{if(!e.localStorage)return!1}catch(e){return!1}var n=e.localStorage[t];return null!=n&&"true"===(n+"").toLowerCase()}t.exports=function(e,t){function r(){if(!o){if(n("throwDeprecation"))throw new Error(t);else n("traceDeprecation")?console.trace(t):console.warn(t);o=!0}return e.apply(this,arguments)}if(n("noDeprecation"))return e;var o=!1;return r}}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],224:[function(e,t){(function(n){function o(e){var t=this;d.call(t),t._tracks=[],t._fragmentSequence=1,t._file=e,t._decoder=null,t._findMoov(0)}function a(e,t){var n=this;n._entries=e,n._countName=t||"count",n._index=0,n._offset=0,n.value=n._entries[0]}function s(){return{version:0,flags:0,entries:[]}}var i=e("binary-search"),d=e("events").EventEmitter,l=e("inherits"),c=e("mp4-stream"),u=e("mp4-box-encoding"),p=e("range-slice-stream");t.exports=o,l(o,d),o.prototype._findMoov=function(e){var t=this;t._decoder&&t._decoder.destroy(),t._decoder=c.decode();var n=t._file.createReadStream({start:e});n.pipe(t._decoder),t._decoder.once("box",function(r){"moov"===r.type?t._decoder.decode(function(e){n.destroy();try{t._processMoov(e)}catch(e){e.message="Cannot parse mp4 file: "+e.message,t.emit("error",e)}}):(n.destroy(),t._findMoov(e+r.length))})},a.prototype.inc=function(){var e=this;e._offset++,e._offset>=e._entries[e._index][e._countName]&&(e._index++,e._offset=0),e.value=e._entries[e._index]},o.prototype._processMoov=function(e){var t=this,r=e.traks;t._tracks=[],t._hasVideo=!1,t._hasAudio=!1;for(var o=0;o<r.length;o++){var d=r[o],l=d.mdia.minf.stbl,c=l.stsd.entries[0],p=d.mdia.hdlr.handlerType,f,h;if("vide"===p&&"avc1"===c.type){if(t._hasVideo)continue;t._hasVideo=!0,f="avc1",c.avcC&&(f+="."+c.avcC.mimeCodec),h="video/mp4; codecs=\""+f+"\""}else if("soun"===p&&"mp4a"===c.type){if(t._hasAudio)continue;t._hasAudio=!0,f="mp4a",c.esds&&c.esds.mimeCodec&&(f+="."+c.esds.mimeCodec),h="audio/mp4; codecs=\""+f+"\""}else continue;var m=[],g=0,_=0,b=0,y=0,w=0,k=0,x=new a(l.stts.entries),S=null;l.ctts&&(S=new a(l.ctts.entries));for(var v=0;;){var E=l.stsc.entries[w],C=l.stsz.entries[g],L=x.value.duration,B=S?S.value.compositionOffset:0,I=!0;l.stss&&(I=l.stss.entries[v]===g+1);var T=l.stco||l.co64;if(m.push({size:C,duration:L,dts:k,presentationOffset:B,sync:I,offset:y+T.entries[b]}),g++,g>=l.stsz.entries.length)break;if(_++,y+=C,_>=E.samplesPerChunk){_=0,y=0,b++;var R=l.stsc.entries[w+1];R&&b+1>=R.firstChunk&&w++}k+=L,x.inc(),S&&S.inc(),I&&v++}d.mdia.mdhd.duration=0,d.tkhd.duration=0;var A=E.sampleDescriptionId,U={type:"moov",mvhd:e.mvhd,traks:[{tkhd:d.tkhd,mdia:{mdhd:d.mdia.mdhd,hdlr:d.mdia.hdlr,elng:d.mdia.elng,minf:{vmhd:d.mdia.minf.vmhd,smhd:d.mdia.minf.smhd,dinf:d.mdia.minf.dinf,stbl:{stsd:l.stsd,stts:s(),ctts:s(),stsc:s(),stsz:s(),stco:s(),stss:s()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:d.tkhd.trackId,defaultSampleDescriptionIndex:A,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:d.tkhd.trackId,timeScale:d.mdia.mdhd.timeScale,samples:m,currSample:null,currTime:null,moov:U,mime:h})}if(0===t._tracks.length)return void t.emit("error",new Error("no playable tracks"));e.mvhd.duration=0,t._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};var P=u.encode(t._ftyp),M=t._tracks.map(function(e){var t=u.encode(e.moov);return{mime:e.mime,init:n.concat([P,t])}});t.emit("ready",M)},o.prototype.seek=function(e){var t=this;if(!t._tracks)throw new Error("Not ready yet; wait for 'ready' event");t._fileStream&&(t._fileStream.destroy(),t._fileStream=null);var n=-1;if(t._tracks.map(function(r,o){function i(e){a.destroyed||a.box(e.moof,function(n){if(n)return t.emit("error",n);if(!a.destroyed){var s=r.inStream.slice(e.ranges);s.pipe(a.mediaData(e.length,function(e){if(e)return t.emit("error",e);if(!a.destroyed){var n=t._generateFragment(o);return n?void i(n):a.finalize()}}))}})}r.outStream&&r.outStream.destroy(),r.inStream&&(r.inStream.destroy(),r.inStream=null);var a=r.outStream=c.encode(),s=t._generateFragment(o,e);return s?void((-1===n||s.ranges[0].start<n)&&(n=s.ranges[0].start),i(s)):a.finalize()}),0<=n){var r=t._fileStream=t._file.createReadStream({start:n});t._tracks.forEach(function(e){e.inStream=new p(n,{highWaterMark:1e7}),r.pipe(e.inStream)})}return t._tracks.map(function(e){return e.outStream})},o.prototype._findSampleBefore=function(e,t){var n=this,o=n._tracks[e],a=r(o.timeScale*t),s=i(o.samples,a,function(e,n){var t=e.dts+e.presentationOffset;return t-n});for(-1===s?s=0:0>s&&(s=-s-2);!o.samples[s].sync;)s--;return s};o.prototype._generateFragment=function(e,t){var n=this,r=n._tracks[e],o;if(o=void 0===t?r.currSample:n._findSampleBefore(e,t),o>=r.samples.length)return null;for(var i=r.samples[o].dts,a=0,s=[],d=o,l;d<r.samples.length&&(l=r.samples[d],!(l.sync&&l.dts-i>=1*r.timeScale));d++){a+=l.size;var c=s.length-1;0>c||s[c].end!==l.offset?s.push({start:l.offset,end:l.offset+l.size}):s[c].end+=l.size}return r.currSample=d,{moof:n._generateMoof(e,o,d),ranges:s,length:a}},o.prototype._generateMoof=function(e,t,n){for(var r=this,o=r._tracks[e],i=[],a=0,s=t,d;s<n;s++)d=o.samples[s],0>d.presentationOffset&&(a=1),i.push({sampleDuration:d.duration,sampleSize:d.size,sampleFlags:d.sync?33554432:16842752,sampleCompositionTimeOffset:d.presentationOffset});var l={type:"moof",mfhd:{sequenceNumber:r._fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:o.trackId},tfdt:{baseMediaDecodeTime:o.samples[t].dts},trun:{flags:3841,dataOffset:8,entries:i,version:a}}]};return l.trafs[0].trun.dataOffset+=u.encodingLength(l),l}}).call(this,e("buffer").Buffer)},{"binary-search":12,buffer:41,events:42,inherits:80,"mp4-box-encoding":101,"mp4-stream":104,"range-slice-stream":140}],225:[function(e,t){function n(e,t,o){var i=this;return this instanceof n?void(o=o||{},i.detailedError=null,i._elem=t,i._elemWrapper=new r(t),i._waitingFired=!1,i._trackMeta=null,i._file=e,i._tracks=null,"none"!==i._elem.preload&&i._createMuxer(),i._onError=function(){i.detailedError=i._elemWrapper.detailedError,i.destroy()},i._onWaiting=function(){i._waitingFired=!0,i._muxer?i._tracks&&i._pump():i._createMuxer()},i._elem.addEventListener("waiting",i._onWaiting),i._elem.addEventListener("error",i._onError)):new n(e,t,o)}var r=e("mediasource"),o=e("pump"),i=e("./mp4-remuxer");t.exports=n,n.prototype._createMuxer=function(){var e=this;e._muxer=new i(e._file),e._muxer.on("ready",function(t){e._tracks=t.map(function(t){var n=e._elemWrapper.createWriteStream(t.mime);n.on("error",function(t){e._elemWrapper.error(t)});var r={muxed:null,mediaSource:n,initFlushed:!1,onInitFlushed:null};return n.write(t.init,function(e){r.initFlushed=!0,r.onInitFlushed&&r.onInitFlushed(e)}),r}),(e._waitingFired||"auto"===e._elem.preload)&&e._pump()}),e._muxer.on("error",function(t){e._elemWrapper.error(t)})},n.prototype._pump=function(){var e=this,t=e._muxer.seek(e._elem.currentTime,!e._tracks);e._tracks.forEach(function(n,r){var i=function(){n.muxed&&(n.muxed.destroy(),n.mediaSource=e._elemWrapper.createWriteStream(n.mediaSource),n.mediaSource.on("error",function(t){e._elemWrapper.error(t)})),n.muxed=t[r],o(n.muxed,n.mediaSource)};n.initFlushed?i():n.onInitFlushed=function(t){return t?void e._elemWrapper.error(t):void i()}})},n.prototype.destroy=function(){var e=this;e.destroyed||(e.destroyed=!0,e._elem.removeEventListener("waiting",e._onWaiting),e._elem.removeEventListener("error",e._onError),e._tracks&&e._tracks.forEach(function(e){e.muxed&&e.muxed.destroy()}),e._elem.src="")}},{"./mp4-remuxer":224,mediasource:88,pump:133}],226:[function(e,t){function n(e,t){function r(){for(var t=Array(arguments.length),n=0;n<t.length;n++)t[n]=arguments[n];var r=e.apply(this,t),o=t[t.length-1];return"function"==typeof r&&r!==o&&Object.keys(o).forEach(function(e){r[e]=o[e]}),r}if(e&&t)return n(e)(t);if("function"!=typeof e)throw new TypeError("need wrapper function");return Object.keys(e).forEach(function(t){r[t]=e[t]}),r}t.exports=n},{}],227:[function(e,t){t.exports=function(){for(var e={},t=0,r;t<arguments.length;t++)for(var o in r=arguments[t],r)n.call(r,o)&&(e[o]=r[o]);return e};var n=Object.prototype.hasOwnProperty},{}],228:[function(e,t){t.exports=function(e){for(var t=1,r;t<arguments.length;t++)for(var o in r=arguments[t],r)n.call(r,o)&&(e[o]=r[o]);return e};var n=Object.prototype.hasOwnProperty},{}],229:[function(e,t){t.exports={version:"0.102.4"}},{}],230:[function(e,t){(function(n,r){function o(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}function i(e){return"undefined"!=typeof FileList&&e instanceof FileList}const{Buffer:a}=e("safe-buffer"),{EventEmitter:s}=e("events"),d=e("simple-concat"),l=e("create-torrent"),c=e("debug")("webtorrent"),u=e("bittorrent-dht/client"),p=e("load-ip-set"),f=e("run-parallel"),h=e("parse-torrent"),m=e("path"),g=e("simple-peer"),_=e("randombytes"),b=e("speedometer"),y=e("./lib/tcp-pool"),w=e("./lib/torrent"),k=e("./package.json").version,x=k.replace(/\d*./g,e=>`0${e%100}`.slice(-2)).slice(0,4);class S extends s{constructor(e={}){super(),this.peerId="string"==typeof e.peerId?e.peerId:a.isBuffer(e.peerId)?e.peerId.toString("hex"):a.from(`-WW${x}-`+_(9).toString("base64")).toString("hex"),this.peerIdBuffer=a.from(this.peerId,"hex"),this.nodeId="string"==typeof e.nodeId?e.nodeId:a.isBuffer(e.nodeId)?e.nodeId.toString("hex"):_(20).toString("hex"),this.nodeIdBuffer=a.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=e.torrentPort||0,this.dhtPort=e.dhtPort||0,this.tracker=e.tracker===void 0?{}:e.tracker,this.torrents=[],this.maxConns=+e.maxConns||55,this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),e.rtcConfig&&(console.warn("WebTorrent: opts.rtcConfig is deprecated. Use opts.tracker.rtcConfig instead"),this.tracker.rtcConfig=e.rtcConfig),e.wrtc&&(console.warn("WebTorrent: opts.wrtc is deprecated. Use opts.tracker.wrtc instead"),this.tracker.wrtc=e.wrtc),r.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=r.WRTC)),"function"==typeof y?this._tcpPool=new y(this):n.nextTick(()=>{this._onListening()}),this._downloadSpeed=b(),this._uploadSpeed=b(),!1!==e.dht&&"function"==typeof u?(this.dht=new u(Object.assign({},{nodeId:this.nodeId},e.dht)),this.dht.once("error",e=>{this._destroy(e)}),this.dht.once("listening",()=>{const e=this.dht.address();e&&(this.dhtPort=e.port)}),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==e.webSeeds;const t=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof p&&null!=e.blocklist?p(e.blocklist,{headers:{"user-agent":`WebTorrent/${k} (https://webtorrent.io)`}},(e,n)=>e?this.error(`Failed to load blocklist: ${e.message}`):void(this.blocked=n,t())):n.nextTick(t)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const e=this.torrents.filter(e=>1!==e.progress),t=e.reduce((e,t)=>e+t.downloaded,0),n=e.reduce((e,t)=>e+(t.length||0),0)||1;return t/n}get ratio(){const e=this.torrents.reduce((e,t)=>e+t.uploaded,0),t=this.torrents.reduce((e,t)=>e+t.received,0)||1;return e/t}get(e){if(!(e instanceof w)){let t;try{t=h(e)}catch(e){}if(!t)return null;if(!t.infoHash)throw new Error("Invalid torrent identifier");for(const e of this.torrents)if(e.infoHash===t.infoHash)return e}else if(this.torrents.includes(e))return e;return null}download(e,t,n){return console.warn("WebTorrent: client.download() is deprecated. Use client.add() instead"),this.add(e,t,n)}add(e,t={},n){function r(){a.removeListener("_infoHash",o),a.removeListener("ready",i),a.removeListener("close",r)}if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,n]=[{},t]);const o=()=>{if(!this.destroyed)for(const e of this.torrents)if(e.infoHash===a.infoHash&&e!==a)return void a._destroy(new Error(`Cannot add duplicate torrent ${a.infoHash}`))},i=()=>{this.destroyed||("function"==typeof n&&n(a),this.emit("torrent",a))};this._debug("add"),t=t?Object.assign({},t):{};const a=new w(e,this,t);return this.torrents.push(a),a.once("_infoHash",o),a.once("ready",i),a.once("close",r),a}seed(e,t,n){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,n]=[{},t]),this._debug("seed"),t=t?Object.assign({},t):{},"string"==typeof e&&(t.path=m.dirname(e)),t.createdBy||(t.createdBy=`WebTorrent/${x}`);const r=e=>{this._debug("on seed"),"function"==typeof n&&n(e),e.emit("seed"),this.emit("seed",e)},a=this.add(null,t,e=>{const t=[t=>{e.load(s,t)}];this.dht&&t.push(t=>{e.once("dhtAnnounce",t)}),f(t,t=>this.destroyed?void 0:t?e._destroy(t):void r(e))});let s;return i(e)?e=Array.from(e):!Array.isArray(e)&&(e=[e]),f(e.map(e=>t=>{o(e)?d(e,t):t(null,e)}),(e,n)=>this.destroyed?void 0:e?a._destroy(e):void l.parseInput(n,t,(e,r)=>this.destroyed?void 0:e?a._destroy(e):void(s=r.map(e=>e.getStream),l(n,t,(e,t)=>{if(!this.destroyed){if(e)return a._destroy(e);const n=this.get(t);n?a._destroy(new Error(`Cannot add duplicate torrent ${n.infoHash}`)):a._onTorrentId(t)}})))),a}remove(e,t){this._debug("remove");const n=this.get(e);if(!n)throw new Error(`No torrent with id ${e}`);this._remove(e,t)}_remove(e,t){const n=this.get(e);n&&(this.torrents.splice(this.torrents.indexOf(n),1),n.destroy(t))}address(){return this.listening?this._tcpPool?this._tcpPool.server.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}destroy(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)}_destroy(e,t){this._debug("client destroy"),this.destroyed=!0;const n=this.torrents.map(e=>t=>{e.destroy(t)});this._tcpPool&&n.push(e=>{this._tcpPool.destroy(e)}),this.dht&&n.push(e=>{this.dht.destroy(e)}),f(n,t),e&&this.emit("error",e),this.torrents=[],this._tcpPool=null,this.dht=null}_onListening(){if(this._debug("listening"),this.listening=!0,this._tcpPool){const e=this._tcpPool.server.address();e&&(this.torrentPort=e.port)}this.emit("listening")}_debug(){const e=[].slice.call(arguments);e[0]=`[${this._debugId}] ${e[0]}`,c(...e)}}S.WEBRTC_SUPPORT=g.WEBRTC_SUPPORT,S.VERSION=k,t.exports=S}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/tcp-pool":39,"./lib/torrent":5,"./package.json":229,_process:132,"bittorrent-dht/client":39,"create-torrent":61,debug:62,events:42,"load-ip-set":39,"parse-torrent":128,path:129,randombytes:139,"run-parallel":166,"safe-buffer":168,"simple-concat":169,"simple-peer":171,speedometer:192}]},{},[230])(230)});
\ No newline at end of file
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.WebTorrent=e()}}(function(){var e;return function e(t,n,r){function o(s,a){if(!n[s]){if(!t[s]){var u="function"==typeof require&&require;if(!a&&u)return u(s,!0);if(i)return i(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var f=n[s]={exports:{}};t[s][0].call(f.exports,function(e){var n=t[s][1][e];return o(n?n:e)},f,f.exports,e,t,n,r)}return n[s].exports}for(var i="function"==typeof require&&require,s=0;s<r.length;s++)o(r[s]);return o}({1:[function(e,t,n){function r(e,t){s.Readable.call(this,t),this.destroyed=!1,this._torrent=e._torrent;var n=t&&t.start||0,r=t&&t.end&&t.end<e.length?t.end:e.length-1,o=e._torrent.pieceLength;this._startPiece=(n+e.offset)/o|0,this._endPiece=(r+e.offset)/o|0,this._piece=this._startPiece,this._offset=n+e.offset-this._startPiece*o,this._missing=r-n+1,this._reading=!1,this._notifying=!1,this._criticalLength=Math.min(1048576/o|0,2)}t.exports=r;var o=e("debug")("webtorrent:file-stream"),i=e("inherits"),s=e("readable-stream");i(r,s.Readable),r.prototype._read=function(){this._reading||(this._reading=!0,this._notify())},r.prototype._notify=function(){var e=this;if(e._reading&&0!==e._missing){if(!e._torrent.bitfield.get(e._piece))return e._torrent.critical(e._piece,e._piece+e._criticalLength);if(!e._notifying){e._notifying=!0;var t=e._piece;e._torrent.store.get(t,function(n,r){if(e._notifying=!1,!e.destroyed){if(n)return e._destroy(n);o("read %s (length %s) (err %s)",t,r.length,n&&n.message),e._offset&&(r=r.slice(e._offset),e._offset=0),e._missing<r.length&&(r=r.slice(0,e._missing)),e._missing-=r.length,o("pushing buffer of length %s",r.length),e._reading=!1,e.push(r),0===e._missing&&e.push(null)}}),e._piece+=1}}},r.prototype.destroy=function(e){this._destroy(null,e)},r.prototype._destroy=function(e,t){this.destroyed||(this.destroyed=!0,this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0),e&&this.emit("error",e),this.emit("close"),t&&t())}},{debug:66,inherits:72,"readable-stream":103}],2:[function(e,t,n){(function(n){function r(e,t){i.call(this),this._torrent=e,this._destroyed=!1,this.name=t.name,this.path=t.path,this.length=t.length,this.offset=t.offset,this.done=!1;var n=t.offset,r=n+t.length-1;this._startPiece=n/this._torrent.pieceLength|0,this._endPiece=r/this._torrent.pieceLength|0,0===this.length&&(this.done=!0,this.emit("done"))}t.exports=r;var o=e("end-of-stream"),i=e("events").EventEmitter,s=e("./file-stream"),a=e("inherits"),u=e("path"),c=e("render-media"),f=e("readable-stream"),d=e("stream-to-blob"),l=e("stream-to-blob-url"),h=e("stream-with-known-length-to-buffer");a(r,i),Object.defineProperty(r.prototype,"downloaded",{get:function(){if(!this._torrent.bitfield)return 0;for(var e=0,t=this._startPiece;t<=this._endPiece;++t)if(this._torrent.bitfield.get(t))e+=this._torrent.pieceLength;else{var n=this._torrent.pieces[t];e+=n.length-n.missing}return e}}),r.prototype.select=function(e){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,e)},r.prototype.deselect=function(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece,!1)},r.prototype.createReadStream=function(e){var t=this;if(0===this.length){var r=new f.PassThrough;return n.nextTick(function(){r.end()}),r}var i=new s(t,e);return t._torrent.select(i._startPiece,i._endPiece,!0,function(){i._notify()}),o(i,function(){t._destroyed||t._torrent.destroyed||t._torrent.deselect(i._startPiece,i._endPiece,!0)}),i},r.prototype.getBuffer=function(e){h(this.createReadStream(),this.length,e)},r.prototype.getBlob=function(e){if("undefined"==typeof window)throw new Error("browser-only method");d(this.createReadStream(),this._getMimeType(),e)},r.prototype.getBlobURL=function(e){if("undefined"==typeof window)throw new Error("browser-only method");l(this.createReadStream(),this._getMimeType(),e)},r.prototype.appendTo=function(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");c.append(this,e,t,n)},r.prototype.renderTo=function(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");c.render(this,e,t,n)},r.prototype._getMimeType=function(){return c.mime[u.extname(this.name).toLowerCase()]},r.prototype._destroy=function(){this._destroyed=!0,this._torrent=null}}).call(this,e("_process"))},{"./file-stream":1,_process:29,"end-of-stream":68,events:25,inherits:72,path:28,"readable-stream":103,"render-media":106,"stream-to-blob":141,"stream-to-blob-url":140,"stream-with-known-length-to-buffer":144}],3:[function(e,t,n){function r(e,t){var n=this;n.id=e,n.type=t,s("new Peer %s",e),n.addr=null,n.conn=null,n.swarm=null,n.wire=null,n.connected=!1,n.destroyed=!1,n.timeout=null,n.retries=0,n.sentHandshake=!1}function o(){}var i=e("unordered-array-remove"),s=e("debug")("webtorrent:peer"),a=e("bittorrent-protocol"),u=e("./webconn"),c=5e3,f=25e3,d=25e3;n.createWebRTCPeer=function(e,t){var n=new r(e.id,"webrtc");return n.conn=e,n.swarm=t,n.conn.connected?n.onConnect():(n.conn.once("connect",function(){n.onConnect()}),n.conn.once("error",function(e){n.destroy(e)}),n.startConnectTimeout()),n},n.createTCPIncomingPeer=function(e){var t=e.remoteAddress+":"+e.remotePort,n=new r(t,"tcpIncoming");return n.conn=e,n.addr=t,n.onConnect(),n},n.createTCPOutgoingPeer=function(e,t){var n=new r(e,"tcpOutgoing");return n.addr=e,n.swarm=t,n},n.createWebSeedPeer=function(e,t){var n=new r(e,"webSeed");return n.swarm=t,n.conn=new u(e,t),n.onConnect(),n},r.prototype.onConnect=function(){var e=this;if(!e.destroyed){e.connected=!0,s("Peer %s connected",e.id),clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()}),t.once("close",function(){e.destroy()}),t.once("finish",function(){e.destroy()}),t.once("error",function(t){e.destroy(t)});var n=e.wire=new a;n.type=e.type,n.once("end",function(){e.destroy()}),n.once("close",function(){e.destroy()}),n.once("finish",function(){e.destroy()}),n.once("error",function(t){e.destroy(t)}),n.once("handshake",function(t,n){e.onHandshake(t,n)}),e.startHandshakeTimeout(),"tcpOutgoing"===e.type||"webrtc"===e.type?e.setThrottlePipes():t.pipe(n).pipe(t),e.swarm&&!e.sentHandshake&&e.handshake()}},r.prototype.clearPipes=function(){this.wire.unpipe(),this.conn.unpipe()},r.prototype.setThrottlePipes=function(){this.conn.pipe(this.swarm.client.throttleGroups.down.throttle()).pipe(this.wire).pipe(this.swarm.client.throttleGroups.up.throttle()).pipe(this.conn)},r.prototype.onHandshake=function(e,t){var n=this;if(n.swarm&&!n.destroyed){if(n.swarm.destroyed)return n.destroy(new Error("swarm already destroyed"));if(e!==n.swarm.infoHash)return n.destroy(new Error("unexpected handshake info hash for this swarm"));if(t===n.swarm.peerId)return n.destroy(new Error("refusing to connect to ourselves"));s("Peer %s got handshake %s",n.id,e),clearTimeout(n.handshakeTimeout),n.retries=0;var r=n.addr;!r&&n.conn.remoteAddress&&(r=n.conn.remoteAddress+":"+n.conn.remotePort),n.swarm._onWire(n.wire,r),n.swarm&&!n.swarm.destroyed&&(n.sentHandshake||n.handshake())}},r.prototype.handshake=function(){var e=this,t={dht:!e.swarm.private&&!!e.swarm.client.dht};e.wire.handshake(e.swarm.infoHash,e.swarm.client.peerId,t),e.sentHandshake=!0},r.prototype.startConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout),e.connectTimeout=setTimeout(function(){e.destroy(new Error("connect timeout"))},"webrtc"===e.type?f:c),e.connectTimeout.unref&&e.connectTimeout.unref()},r.prototype.startHandshakeTimeout=function(){var e=this;clearTimeout(e.handshakeTimeout),e.handshakeTimeout=setTimeout(function(){e.destroy(new Error("handshake timeout"))},d),e.handshakeTimeout.unref&&e.handshakeTimeout.unref()},r.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,t.connected=!1,s("destroy %s (error: %s)",t.id,e&&(e.message||e)),clearTimeout(t.connectTimeout),clearTimeout(t.handshakeTimeout);var n=t.swarm,r=t.conn,a=t.wire;t.swarm=null,t.conn=null,t.wire=null,n&&a&&i(n.wires,n.wires.indexOf(a)),r&&(r.on("error",o),r.destroy()),a&&a.destroy(),n&&n.removePeer(t.id)}}},{"./webconn":6,"bittorrent-protocol":9,debug:66,"unordered-array-remove":150}],4:[function(e,t,n){function r(e){var t=this;t._torrent=e,t._numPieces=e.pieces.length,t._pieces=[],t._onWire=function(e){t.recalculate(),t._initWire(e)},t._onWireHave=function(e){t._pieces[e]+=1},t._onWireBitfield=function(){t.recalculate()},t._torrent.wires.forEach(function(e){t._initWire(e)}),t._torrent.on("wire",t._onWire),t.recalculate()}function o(){return!0}t.exports=r,r.prototype.getRarestPiece=function(e){e||(e=o);for(var t=[],n=1/0,r=0;r<this._numPieces;++r)if(e(r)){var i=this._pieces[r];i===n?t.push(r):i<n&&(t=[r],n=i)}return t.length>0?t[Math.random()*t.length|0]:-1},r.prototype.destroy=function(){var e=this;e._torrent.removeListener("wire",e._onWire),e._torrent.wires.forEach(function(t){e._cleanupWireEvents(t)}),e._torrent=null,e._pieces=null,e._onWire=null,e._onWireHave=null,e._onWireBitfield=null},r.prototype._initWire=function(e){var t=this;e._onClose=function(){t._cleanupWireEvents(e);for(var n=0;n<this._numPieces;++n)t._pieces[n]-=e.peerPieces.get(n)},e.on("have",t._onWireHave),e.on("bitfield",t._onWireBitfield),e.once("close",e._onClose)},r.prototype.recalculate=function(){var e;for(e=0;e<this._numPieces;++e)this._pieces[e]=0;var t=this._torrent.wires.length;for(e=0;e<t;++e)for(var n=this._torrent.wires[e],r=0;r<this._numPieces;++r)this._pieces[r]+=n.peerPieces.get(r)},r.prototype._cleanupWireEvents=function(e){e.removeListener("have",this._onWireHave),e.removeListener("bitfield",this._onWireBitfield),e._onClose&&e.removeListener("close",e._onClose),e._onClose=null}},{}],5:[function(e,t,n){(function(n,r){function o(e,t,n){m.call(this),this._debugId="unknown infohash",this.client=t,this.announce=n.announce,this.urlList=n.urlList,this.path=n.path,this._store=n.store||v,this._getAnnounceOpts=n.getAnnounceOpts,this.strategy=n.strategy||"sequential",this.maxWebConns=n.maxWebConns||4,this._rechokeNumSlots=n.uploads===!1||0===n.uploads?0:+n.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this.ready=!1,this.destroyed=!1,this.paused=!1,this.done=!1,this.metadata=null,this.store=null,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=[],this._critical=[],this.wires=[],this._queue=[],this._peers={},this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=O(),this._uploadSpeed=O(),this._servers=[],this._xsRequests=[],this._fileModtimes=n.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}function i(e,t){return 2+Math.ceil(t*e.downloadSpeed()/T.BLOCK_LENGTH)}function s(e,t,n){return 1+Math.ceil(t*e.downloadSpeed()/n)}function a(e){return Math.random()*e|0}function u(){}t.exports=o;var c,f=e("addr-to-ip-port"),d=e("bitfield"),l=e("chunk-store-stream/write"),h=e("debug")("webtorrent:torrent"),p=e("torrent-discovery"),m=e("events").EventEmitter,g=e("xtend"),y=e("xtend/mutable"),_=e("fs"),v=e("fs-chunk-store"),b=e("simple-get"),w=e("immediate-chunk-store"),k=e("inherits"),E=e("multistream"),x=e("net"),S=e("os"),B=e("run-parallel"),I=e("run-parallel-limit"),A=e("parse-torrent"),L=e("path"),T=e("torrent-piece"),C=e("pump"),U=e("random-iterate"),R=e("simple-sha1"),O=e("speedometer"),P=e("uniq"),M=e("ut_metadata"),j=e("ut_pex"),H=e("./file"),D=e("./peer"),q=e("./rarity-map"),N=e("./server"),z=131072,W=3e4,F=5e3,G=3*T.BLOCK_LENGTH,V=.5,$=1,K=1e4,J=2,X=2,Y=[1e3,5e3,15e3],Z=e("../package.json").version,Q="WebTorrent/"+Z+" (https://webtorrent.io)";try{c=L.join(_.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){c=L.join("function"==typeof S.tmpDir?S.tmpDir():"/","webtorrent")}k(o,m),Object.defineProperty(o.prototype,"timeRemaining",{get:function(){return this.done?0:0===this.downloadSpeed?1/0:(this.length-this.downloaded)/this.downloadSpeed*1e3}}),Object.defineProperty(o.prototype,"downloaded",{get:function(){if(!this.bitfield)return 0;for(var e=0,t=0,n=this.pieces.length;t<n;++t)if(this.bitfield.get(t))e+=t===n-1?this.lastPieceLength:this.pieceLength;else{var r=this.pieces[t];e+=r.length-r.missing}return e}}),Object.defineProperty(o.prototype,"downloadSpeed",{get:function(){return this._downloadSpeed()}}),Object.defineProperty(o.prototype,"uploadSpeed",{get:function(){return this._uploadSpeed()}}),Object.defineProperty(o.prototype,"progress",{get:function(){return this.length?this.downloaded/this.length:0}}),Object.defineProperty(o.prototype,"ratio",{get:function(){return this.uploaded/(this.received||1)}}),Object.defineProperty(o.prototype,"numPeers",{get:function(){return this.wires.length}}),Object.defineProperty(o.prototype,"torrentFileBlobURL",{get:function(){if("undefined"==typeof window)throw new Error("browser-only property");return this.torrentFile?URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"})):null}}),Object.defineProperty(o.prototype,"_numQueued",{get:function(){return this._queue.length+(this._peersLength-this._numConns)}}),Object.defineProperty(o.prototype,"_numConns",{get:function(){var e=this,t=0;for(var n in e._peers)e._peers[n].connected&&(t+=1);return t}}),Object.defineProperty(o.prototype,"swarm",{get:function(){return console.warn("WebTorrent: `torrent.swarm` is deprecated. Use `torrent` directly instead."),this}}),o.prototype._onTorrentId=function(e){var t=this;if(!t.destroyed){var r;try{r=A(e)}catch(e){}r?(t.infoHash=r.infoHash,t._debugId=r.infoHash.toString("hex").substring(0,7),n.nextTick(function(){t.destroyed||t._onParsedTorrent(r)})):A.remote(e,function(e,n){if(!t.destroyed)return e?t._destroy(e):void t._onParsedTorrent(n)})}},o.prototype._onParsedTorrent=function(e){var t=this;if(!t.destroyed){if(t._processParsedTorrent(e),!t.infoHash)return t._destroy(new Error("Malformed torrent data: No info hash"));t.path||(t.path=L.join(c,t.infoHash)),t._rechokeIntervalId=setInterval(function(){t._rechoke()},K),t._rechokeIntervalId.unref&&t._rechokeIntervalId.unref(),t.emit("_infoHash",t.infoHash),t.destroyed||(t.emit("infoHash",t.infoHash),t.destroyed||(t.client.listening?t._onListening():t.client.once("listening",function(){t._onListening()})))}},o.prototype._processParsedTorrent=function(e){this._debugId=e.infoHash.toString("hex").substring(0,7),this.announce&&(e.announce=e.announce.concat(this.announce)),this.client.tracker&&r.WEBTORRENT_ANNOUNCE&&!this.private&&(e.announce=e.announce.concat(r.WEBTORRENT_ANNOUNCE)),this.urlList&&(e.urlList=e.urlList.concat(this.urlList)),P(e.announce),P(e.urlList),y(this,e),this.magnetURI=A.toMagnetURI(e),this.torrentFile=A.toTorrentFile(e)},o.prototype._onListening=function(){function e(e){i._destroy(e)}function t(e){"string"==typeof e&&i.done||i.addPeer(e)}function n(){i.emit("trackerAnnounce"),0===i.numPeers&&i.emit("noPeers","tracker")}function r(){i.emit("dhtAnnounce"),0===i.numPeers&&i.emit("noPeers","dht")}function o(e){i.emit("warning",e)}var i=this;if(!i.discovery&&!i.destroyed){var s=i.client.tracker;s&&(s=g(i.client.tracker,{getAnnounceOpts:function(){var e={uploaded:i.uploaded,downloaded:i.downloaded,left:Math.max(i.length-i.downloaded,0)};return i.client.tracker.getAnnounceOpts&&y(e,i.client.tracker.getAnnounceOpts()),i._getAnnounceOpts&&y(e,i._getAnnounceOpts()),e}})),i.discovery=new p({infoHash:i.infoHash,announce:i.announce,peerId:i.client.peerId,dht:!i.private&&i.client.dht,tracker:s,port:i.client.torrentPort,userAgent:Q}),i.discovery.on("error",e),i.discovery.on("peer",t),i.discovery.on("trackerAnnounce",n),i.discovery.on("dhtAnnounce",r),i.discovery.on("warning",o),i.info?i._onMetadata(i):i.xs&&i._getMetadataFromServer()}},o.prototype._getMetadataFromServer=function(){function e(e,n){function r(r,o,i){if(t.destroyed)return n(null);if(t.metadata)return n(null);if(r)return t.emit("warning",new Error("http error from xs param: "+e)),n(null);if(200!==o.statusCode)return t.emit("warning",new Error("non-200 status code "+o.statusCode+" from xs param: "+e)),n(null);var s;try{s=A(i)}catch(e){}return s?s.infoHash!==t.infoHash?(t.emit("warning",new Error("got torrent file with incorrect info hash from xs param: "+e)),n(null)):(t._onMetadata(s),void n(null)):(t.emit("warning",new Error("got invalid torrent file from xs param: "+e)),n(null))}if(0!==e.indexOf("http://")&&0!==e.indexOf("https://"))return t.emit("warning",new Error("skipping non-http xs param: "+e)),n(null);var o,i={url:e,method:"GET",headers:{"user-agent":Q}};try{o=b.concat(i,r)}catch(r){return t.emit("warning",new Error("skipping invalid url xs param: "+e)),n(null)}t._xsRequests.push(o)}var t=this,n=Array.isArray(t.xs)?t.xs:[t.xs],r=n.map(function(t){return function(n){e(t,n)}});B(r)},o.prototype._onMetadata=function(e){var t=this;if(!t.metadata&&!t.destroyed){t._debug("got metadata"),t._xsRequests.forEach(function(e){e.abort()}),t._xsRequests=[];var n;if(e&&e.infoHash)n=e;else try{n=A(e)}catch(e){return t._destroy(e)}t._processParsedTorrent(n),t.metadata=t.torrentFile,t.client.enableWebSeeds&&t.urlList.forEach(function(e){t.addWebSeed(e)}),0!==t.pieces.length&&t.select(0,t.pieces.length-1,!1),t._rarityMap=new q(t),t.store=new w(new t._store(t.pieceLength,{torrent:{infoHash:t.infoHash},files:t.files.map(function(e){return{path:L.join(t.path,e.path),length:e.length,offset:e.offset}}),length:t.length})),t.files=t.files.map(function(e){return new H(t,e)}),t._hashes=t.pieces,t.pieces=t.pieces.map(function(e,n){var r=n===t.pieces.length-1?t.lastPieceLength:t.pieceLength;return new T(r)}),t._reservations=t.pieces.map(function(){return[]}),t.bitfield=new d(t.pieces.length),t.wires.forEach(function(e){e.ut_metadata&&e.ut_metadata.setMetadata(t.metadata),t._onWireWithMetadata(e)}),t._debug("verifying existing torrent data"),t._fileModtimes&&t._store===v?t.getFileModtimes(function(e,n){if(e)return t._destroy(e);var r=t.files.map(function(e,r){return n[r]===t._fileModtimes[r]}).every(function(e){return e});if(r){for(var o=0;o<t.pieces.length;o++)t._markVerified(o);t._onStore()}else t._verifyPieces()}):t._verifyPieces(),t.emit("metadata")}},o.prototype.getFileModtimes=function(e){var t=this,n=[];I(t.files.map(function(e,r){return function(o){_.stat(L.join(t.path,e.path),function(e,t){return e&&"ENOENT"!==e.code?o(e):(n[r]=t&&t.mtime.getTime(),void o(null))})}}),X,function(r){t._debug("done getting file modtimes"),e(r,n)})},o.prototype._verifyPieces=function(){var e=this;I(e.pieces.map(function(t,r){return function(t){return e.destroyed?t(new Error("torrent is destroyed")):void e.store.get(r,function(o,i){return e.destroyed?t(new Error("torrent is destroyed")):o?n.nextTick(t,null):void R(i,function(n){if(e.destroyed)return t(new Error("torrent is destroyed"));if(n===e._hashes[r]){if(!e.pieces[r])return;e._debug("piece verified %s",r),e._markVerified(r)}else e._debug("piece invalid %s",r);t(null)})})}}),X,function(t){return t?e._destroy(t):(e._debug("done verifying"),void e._onStore())})},o.prototype._markVerified=function(e){this.pieces[e]=null,this._reservations[e]=null,this.bitfield.set(e,!0)},o.prototype._onStore=function(){var e=this;e.destroyed||(e._debug("on store"),e.ready=!0,e.emit("ready"),e._checkDone(),e._updateSelections())},o.prototype.destroy=function(e){var t=this;t._destroy(null,e)},o.prototype._destroy=function(e,t){var n=this;if(!n.destroyed){n.destroyed=!0,n._debug("destroy"),n.client._remove(n),clearInterval(n._rechokeIntervalId),n._xsRequests.forEach(function(e){e.abort()}),n._rarityMap&&n._rarityMap.destroy();for(var r in n._peers)n.removePeer(r);n.files.forEach(function(e){e instanceof H&&e._destroy()});var o=n._servers.map(function(e){return function(t){e.destroy(t)}});n.discovery&&o.push(function(e){n.discovery.destroy(e)}),n.store&&o.push(function(e){n.store.close(e)}),B(o,t),e&&(0===n.listenerCount("error")?n.client.emit("error",e):n.emit("error",e)),n.emit("close"),n.client=null,n.files=[],n.discovery=null,n.store=null,n._rarityMap=null,n._peers=null,n._servers=null,n._xsRequests=null}},o.prototype.addPeer=function(e){var t=this;if(t.destroyed)throw new Error("torrent is destroyed");if(!t.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");if(t.client.blocked){var n;if("string"==typeof e){var r;try{r=f(e)}catch(n){return t._debug("ignoring peer: invalid %s",e),t.emit("invalidPeer",e),!1}n=r[0]}else"string"==typeof e.remoteAddress&&(n=e.remoteAddress);if(n&&t.client.blocked.contains(n))return t._debug("ignoring peer: blocked %s",e),"string"!=typeof e&&e.destroy(),t.emit("blockedPeer",e),!1}var o=!!t._addPeer(e);return o?t.emit("peer",e):t.emit("invalidPeer",e),o},o.prototype._addPeer=function(e){var t=this;if(t.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!t._validAddr(e))return t._debug("ignoring peer: invalid %s",e),null;var n=e&&e.id||e;if(t._peers[n])return t._debug("ignoring peer: duplicate (%s)",n),"string"!=typeof e&&e.destroy(),null;if(t.paused)return t._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null;t._debug("add peer %s",n);var r;return r="string"==typeof e?D.createTCPOutgoingPeer(e,t):D.createWebRTCPeer(e,t),t._peers[r.id]=r,t._peersLength+=1,"string"==typeof e&&(t._queue.push(r),t._drain()),r},o.prototype.addWebSeed=function(e){if(this.destroyed)throw new Error("torrent is destroyed");if(!/^https?:\/\/.+/.test(e))return this.emit("warning",new Error("ignoring invalid web seed: "+e)),void this.emit("invalidPeer",e);if(this._peers[e])return this.emit("warning",new Error("ignoring duplicate web seed: "+e)),void this.emit("invalidPeer",e);this._debug("add web seed %s",e);var t=D.createWebSeedPeer(e,this);this._peers[t.id]=t,this._peersLength+=1,this.emit("peer",e)},o.prototype._addIncomingPeer=function(e){var t=this;return t.destroyed?e.destroy(new Error("torrent is destroyed")):t.paused?e.destroy(new Error("torrent is paused")):(this._debug("add incoming peer %s",e.id),t._peers[e.id]=e,void(t._peersLength+=1))},o.prototype.removePeer=function(e){var t=this,n=e&&e.id||e;e=t._peers[n],e&&(this._debug("removePeer %s",n),delete t._peers[n],t._peersLength-=1,e.destroy(),t._drain())},o.prototype.select=function(e,t,n,r){var o=this;if(o.destroyed)throw new Error("torrent is destroyed");if(e<0||t<e||o.pieces.length<=t)throw new Error("invalid selection ",e,":",t);n=Number(n)||0,o._debug("select %s-%s (priority %s)",e,t,n),o._selections.push({from:e,to:t,offset:0,priority:n,notify:r||u}),o._selections.sort(function(e,t){return t.priority-e.priority}),o._updateSelections()},o.prototype.deselect=function(e,t,n){var r=this;if(r.destroyed)throw new Error("torrent is destroyed");n=Number(n)||0,r._debug("deselect %s-%s (priority %s)",e,t,n);for(var o=0;o<r._selections.length;++o){var i=r._selections[o];if(i.from===e&&i.to===t&&i.priority===n){r._selections.splice(o--,1);break}}r._updateSelections()},o.prototype.critical=function(e,t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");n._debug("critical %s-%s",e,t);for(var r=e;r<=t;++r)n._critical[r]=!0;n._updateSelections()},o.prototype._onWire=function(e,t){var r=this;if(r._debug("got wire %s (%s)",e._debugId,t||"Unknown"),e.on("download",function(e){r.destroyed||(r.received+=e,r._downloadSpeed(e),r.client._downloadSpeed(e),r.emit("download",e),r.client.emit("download",e))}),e.on("upload",function(e){r.destroyed||(r.uploaded+=e,r._uploadSpeed(e),r.client._uploadSpeed(e),r.emit("upload",e),r.client.emit("upload",e))}),r.wires.push(e),t){var o=f(t);e.remoteAddress=o[0],e.remotePort=o[1]}r.client.dht&&r.client.dht.listening&&e.on("port",function(n){if(!r.destroyed&&!r.client.dht.destroyed){if(!e.remoteAddress)return r._debug("ignoring PORT from peer with no address");if(0===n||n>65536)return r._debug("ignoring invalid PORT from peer");r._debug("port: %s (from %s)",n,t),r.client.dht.addNode({host:e.remoteAddress,port:n})}}),e.on("timeout",function(){r._debug("wire timeout (%s)",t),e.destroy()}),e.setTimeout(W,!0),e.setKeepAlive(!0),e.use(M(r.metadata)),e.ut_metadata.on("warning",function(e){r._debug("ut_metadata warning: %s",e.message)}),r.metadata||(e.ut_metadata.on("metadata",function(e){r._debug("got metadata via ut_metadata"),r._onMetadata(e)}),e.ut_metadata.fetch()),"function"!=typeof j||r.private||(e.use(j()),e.ut_pex.on("peer",function(e){r.done||(r._debug("ut_pex: got peer: %s (from %s)",e,t),r.addPeer(e))}),e.ut_pex.on("dropped",function(e){var n=r._peers[e];n&&!n.connected&&(r._debug("ut_pex: dropped peer: %s (from %s)",e,t),r.removePeer(e))}),e.once("close",function(){e.ut_pex.reset()})),r.emit("wire",e,t),r.metadata&&n.nextTick(function(){r._onWireWithMetadata(e)})},o.prototype._onWireWithMetadata=function(e){function t(){r.destroyed||e.destroyed||(r._numQueued>2*(r._numConns-r.numPeers)&&e.amInterested?e.destroy():(o=setTimeout(t,F),o.unref&&o.unref()))}function n(){if(e.peerPieces.length===r.pieces.length){for(;i<r.pieces.length;++i)if(!e.peerPieces.get(i))return;e.isSeeder=!0,e.choke()}}var r=this,o=null,i=0;e.on("bitfield",function(){n(),r._update()}),e.on("have",function(){n(),r._update()}),e.once("interested",function(){e.unchoke()}),e.once("close",function(){clearTimeout(o)}),e.on("choke",function(){clearTimeout(o),o=setTimeout(t,F),o.unref&&o.unref()}),e.on("unchoke",function(){clearTimeout(o),r._update()}),e.on("request",function(t,n,o,i){return o>z?e.destroy():void(r.pieces[t]||r.store.get(t,{offset:n,length:o},i))}),e.bitfield(r.bitfield),e.interested(),e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening&&e.port(r.client.dht.address().port),"webSeed"!==e.type&&(o=setTimeout(t,F),o.unref&&o.unref()),e.isSeeder=!1,n()},o.prototype._updateSelections=function(){var e=this;e.ready&&!e.destroyed&&(n.nextTick(function(){e._gcSelections()}),e._updateInterest(),e._update())},o.prototype._gcSelections=function(){for(var e=this,t=0;t<e._selections.length;t++){for(var n=e._selections[t],r=n.offset;e.bitfield.get(n.from+n.offset)&&n.from+n.offset<n.to;)n.offset++;r!==n.offset&&n.notify(),n.to===n.from+n.offset&&e.bitfield.get(n.from+n.offset)&&(e._selections.splice(t--,1),n.notify(),e._updateInterest())}e._selections.length||e.emit("idle")},o.prototype._updateInterest=function(){var e=this,t=e._amInterested;e._amInterested=!!e._selections.length,e.wires.forEach(function(t){e._amInterested?t.interested():t.uninterested()}),t!==e._amInterested&&(e._amInterested?e.emit("interested"):e.emit("uninterested"))},o.prototype._update=function(){var e=this;if(!e.destroyed)for(var t,n=U(e.wires);t=n();)e._updateWire(t)},o.prototype._updateWire=function(e){function t(t,n,r,o){return function(i){return i>=t&&i<=n&&!(i in r)&&e.peerPieces.get(i)&&(!o||o(i))}}function n(){if(!e.requests.length)for(var n=a._selections.length;n--;){var r,o=a._selections[n];if("rarest"===a.strategy)for(var i=o.from+o.offset,s=o.to,u=s-i+1,c={},f=0,d=t(i,s,c);f<u&&(r=a._rarityMap.getRarestPiece(d),!(r<0));){if(a._request(e,r,!1))return;c[r]=!0,f+=1}else for(r=o.to;r>=o.from+o.offset;--r)if(e.peerPieces.get(r)&&a._request(e,r,!1))return}}function r(){var t=e.downloadSpeed()||1;if(t>G)return function(){return!0};var n=Math.max(1,e.requests.length)*T.BLOCK_LENGTH/t,r=10,o=0;return function(e){if(!r||a.bitfield.get(e))return!0;for(var i=a.pieces[e].missing;o<a.wires.length;o++){var s=a.wires[o],u=s.downloadSpeed();if(!(u<G)&&!(u<=t)&&s.peerPieces.get(e)&&!((i-=u*n)>0))return r--,!1}return!0}}function o(e){for(var t=e,n=e;n<a._selections.length&&a._selections[n].priority;n++)t=n;var r=a._selections[e];a._selections[e]=a._selections[t],a._selections[t]=r}function s(n){if(e.requests.length>=c)return!0;for(var i=r(),s=0;s<a._selections.length;s++){var u,f=a._selections[s];if("rarest"===a.strategy)for(var d=f.from+f.offset,l=f.to,h=l-d+1,p={},m=0,g=t(d,l,p,i);m<h&&(u=a._rarityMap.getRarestPiece(g),!(u<0));){for(;a._request(e,u,a._critical[u]||n););if(!(e.requests.length<c))return f.priority&&o(s),!0;p[u]=!0,m++}else for(u=f.from+f.offset;u<=f.to;u++)if(e.peerPieces.get(u)&&i(u)){for(;a._request(e,u,a._critical[u]||n););if(!(e.requests.length<c))return f.priority&&o(s),!0}}return!1}var a=this;if(!e.peerChoking){if(!e.downloaded)return n();var u=i(e,V);if(!(e.requests.length>=u)){var c=i(e,$);s(!1)||s(!0)}}},o.prototype._rechoke=function(){function e(e,t){return e.downloadSpeed!==t.downloadSpeed?t.downloadSpeed-e.downloadSpeed:e.uploadSpeed!==t.uploadSpeed?t.uploadSpeed-e.uploadSpeed:e.wire.amChoking!==t.wire.amChoking?e.wire.amChoking?1:-1:e.salt-t.salt}var t=this;if(t.ready){t._rechokeOptimisticTime>0?t._rechokeOptimisticTime-=1:t._rechokeOptimisticWire=null;var n=[];t.wires.forEach(function(e){e.isSeeder||e===t._rechokeOptimisticWire||n.push({wire:e,downloadSpeed:e.downloadSpeed(),uploadSpeed:e.uploadSpeed(),salt:Math.random(),isChoked:!0})}),n.sort(e);for(var r=0,o=0;o<n.length&&r<t._rechokeNumSlots;++o)n[o].isChoked=!1,n[o].wire.peerInterested&&(r+=1);if(!t._rechokeOptimisticWire&&o<n.length&&t._rechokeNumSlots){var i=n.slice(o).filter(function(e){return e.wire.peerInterested}),s=i[a(i.length)];s&&(s.isChoked=!1,t._rechokeOptimisticWire=s.wire,t._rechokeOptimisticTime=J)}n.forEach(function(e){e.wire.amChoking!==e.isChoked&&(e.isChoked?e.wire.choke():e.wire.unchoke())})}},o.prototype._hotswap=function(e,t){var n=this,r=e.downloadSpeed();if(r<T.BLOCK_LENGTH)return!1;if(!n._reservations[t])return!1;var o=n._reservations[t];if(!o)return!1;var i,s,a=1/0;for(s=0;s<o.length;s++){var u=o[s];if(u&&u!==e){var c=u.downloadSpeed();c>=G||2*c>r||c>a||(i=u,a=c)}}if(!i)return!1;for(s=0;s<o.length;s++)o[s]===i&&(o[s]=null);for(s=0;s<i.requests.length;s++){var f=i.requests[s];f.piece===t&&n.pieces[t].cancel(f.offset/T.BLOCK_LENGTH|0)}return n.emit("hotswap",i,e,t),!0},o.prototype._request=function(e,t,r){function o(){n.nextTick(function(){a._update()})}var a=this,u=e.requests.length,c="webSeed"===e.type;if(a.bitfield.get(t))return!1;var f=c?Math.min(s(e,$,a.pieceLength),a.maxWebConns):i(e,$);if(u>=f)return!1;var d=a.pieces[t],l=c?d.reserveRemaining():d.reserve();if(l===-1&&r&&a._hotswap(e,t)&&(l=c?d.reserveRemaining():d.reserve()),l===-1)return!1;var h=a._reservations[t];h||(h=a._reservations[t]=[]);var p=h.indexOf(null);p===-1&&(p=h.length),h[p]=e;var m=d.chunkOffset(l),g=c?d.chunkLengthRemaining(l):d.chunkLength(l);return e.request(t,m,g,function n(r,i){if(!a.ready)return a.once("ready",function(){n(r,i)});if(h[p]===e&&(h[p]=null),d!==a.pieces[t])return o();if(r)return a._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,m,g,e.remoteAddress+":"+e.remotePort,r.message),c?d.cancelRemaining(l):d.cancel(l),void o();if(a._debug("got piece %s (offset: %s length: %s) from %s",t,m,g,e.remoteAddress+":"+e.remotePort),!d.set(l,i,e))return o();var s=d.flush();R(s,function(e){if(!a.destroyed){if(e===a._hashes[t]){if(!a.pieces[t])return;a._debug("piece verified %s",t),a.pieces[t]=null,a._reservations[t]=null,a.bitfield.set(t,!0),a.store.put(t,s),a.wires.forEach(function(e){e.have(t)}),a._checkDone()&&!a.destroyed&&a.discovery.complete()}else a.pieces[t]=new T(d.length),a.emit("warning",new Error("Piece "+t+" failed verification"));o()}})}),!0},o.prototype._checkDone=function(){var e=this;if(!e.destroyed){e.files.forEach(function(t){if(!t.done){for(var n=t._startPiece;n<=t._endPiece;++n)if(!e.bitfield.get(n))return;t.done=!0,t.emit("done"),e._debug("file done: "+t.name)}});for(var t=!0,n=0;n<e._selections.length;n++){for(var r=e._selections[n],o=r.from;o<=r.to;o++)if(!e.bitfield.get(o)){t=!1;break}if(!t)break}return!e.done&&t&&(e.done=!0,e._debug("torrent done: "+e.infoHash),e.emit("done")),e._gcSelections(),t}},o.prototype.load=function(e,t){var n=this;if(n.destroyed)throw new Error("torrent is destroyed");if(!n.ready)return n.once("ready",function(){n.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=u);var r=new E(e),o=new l(n.store,n.pieceLength);C(r,o,function(e){return e?t(e):(n.pieces.forEach(function(e,t){
+n.pieces[t]=null,n._reservations[t]=null,n.bitfield.set(t,!0)}),n._checkDone(),void t(null))})},o.prototype.createServer=function(e){if("function"!=typeof N)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");var t=new N(this,e);return this._servers.push(t),t},o.prototype.pause=function(){this.destroyed||(this._debug("pause"),this.paused=!0)},o.prototype.resume=function(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this.client._debugId+"] ["+this._debugId+"] "+e[0],h.apply(null,e)},o.prototype._drain=function(){var e=this;if(this._debug("_drain numConns %s maxConns %s",e._numConns,e.client.maxConns),!("function"!=typeof x.connect||e.destroyed||e.paused||e._numConns>=e.client.maxConns)){this._debug("drain (%s queued, %s/%s peers)",e._numQueued,e.numPeers,e.client.maxConns);var t=e._queue.shift();if(t){this._debug("tcp connect attempt to %s",t.addr);var n=f(t.addr),r={host:n[0],port:n[1]},o=t.conn=x.connect(r);o.once("connect",function(){t.onConnect()}),o.once("error",function(e){t.destroy(e)}),t.startConnectTimeout(),o.on("close",function(){if(!e.destroyed){if(t.retries>=Y.length)return void e._debug("conn %s closed: will not re-add (max %s attempts)",t.addr,Y.length);var n=Y[t.retries];e._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",t.addr,n,t.retries+1);var r=setTimeout(function(){var n=e._addPeer(t.addr);n&&(n.retries=t.retries+1)},n);r.unref&&r.unref()}})}}},o.prototype._validAddr=function(e){var t;try{t=f(e)}catch(e){return!1}var n=t[0],r=t[1];return r>0&&r<65535&&!("127.0.0.1"===n&&r===this.client.torrentPort)}}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../package.json":158,"./file":2,"./peer":3,"./rarity-map":4,"./server":21,_process:29,"addr-to-ip-port":7,bitfield:8,"chunk-store-stream/write":48,debug:66,events:25,fs:20,"fs-chunk-store":73,"immediate-chunk-store":71,inherits:72,multistream:74,net:21,os:21,"parse-torrent":75,path:28,pump:84,"random-iterate":87,"run-parallel":124,"run-parallel-limit":123,"simple-get":127,"simple-sha1":132,speedometer:134,"torrent-discovery":147,"torrent-piece":148,uniq:149,ut_metadata:151,ut_pex:21,xtend:155,"xtend/mutable":156}],6:[function(e,t,n){function r(e,t){f.call(this),this.url=e,this.webPeerId=c.sync(e),this._torrent=t,this._init()}t.exports=r;var o=e("bitfield"),i=e("safe-buffer").Buffer,s=e("debug")("webtorrent:webconn"),a=e("simple-get"),u=e("inherits"),c=e("simple-sha1"),f=e("bittorrent-protocol"),d=e("../package.json").version;u(r,f),r.prototype._init=function(){var e=this;e.setKeepAlive(!0),e.once("handshake",function(t,n){if(!e.destroyed){e.handshake(t,e.webPeerId);for(var r=e._torrent.pieces.length,i=new o(r),s=0;s<=r;s++)i.set(s,!0);e.bitfield(i)}}),e.once("interested",function(){s("interested"),e.unchoke()}),e.on("uninterested",function(){s("uninterested")}),e.on("choke",function(){s("choke")}),e.on("unchoke",function(){s("unchoke")}),e.on("bitfield",function(){s("bitfield")}),e.on("request",function(t,n,r,o){s("request pieceIndex=%d offset=%d length=%d",t,n,r),e.httpRequest(t,n,r,o)})},r.prototype.httpRequest=function(e,t,n,r){var o,u=this,c=e*u._torrent.pieceLength,f=c+t,l=f+n-1,h=u._torrent.files;if(h.length<=1)o=[{url:u.url,start:f,end:l}];else{var p=h.filter(function(e){return e.offset<=l&&e.offset+e.length>f});if(p.length<1)return r(new Error("Could not find file corresponnding to web seed range request"));o=p.map(function(e){var t=e.offset+e.length-1,n=u.url+("/"===u.url[u.url.length-1]?"":"/")+e.path;return{url:n,fileOffsetInRange:Math.max(e.offset-f,0),start:Math.max(f-e.offset,0),end:Math.min(t,l-e.offset)}})}var m,g=0,y=!1;o.length>1&&(m=i.alloc(n)),o.forEach(function(i){function u(e,t){return e.statusCode<200||e.statusCode>=300?(y=!0,r(new Error("Unexpected HTTP status code "+e.statusCode))):(s("Got data of length %d",t.length),void(1===o.length?r(null,t):(t.copy(m,i.fileOffsetInRange),++g===o.length&&r(null,m))))}var c=i.url,f=i.start,l=i.end;s("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",c,e,t,n,f,l);var h={url:c,method:"GET",headers:{"user-agent":"WebTorrent/"+d+" (https://webtorrent.io)",range:"bytes="+f+"-"+l}};a.concat(h,function(e,t,n){if(!y)return e?"undefined"==typeof window||c.startsWith(window.location.origin+"/")?(y=!0,r(e)):a.head(c,function(t,n){if(!y){if(t)return y=!0,r(t);if(n.statusCode<200||n.statusCode>=300)return y=!0,r(new Error("Unexpected HTTP status code "+n.statusCode));if(n.url===c)return y=!0,r(e);h.url=n.url,a.concat(h,function(e,t,n){if(!y)return e?(y=!0,r(e)):void u(t,n)})}}):void u(t,n)})})},r.prototype.destroy=function(){f.prototype.destroy.call(this),this._torrent=null}},{"../package.json":158,bitfield:8,"bittorrent-protocol":9,debug:66,inherits:72,"safe-buffer":125,"simple-get":127,"simple-sha1":132}],7:[function(e,t,n){var r=/^\[?([^\]]+)\]?:(\d+)$/,o={},i=0;t.exports=function(e){if(1e5===i&&t.exports.reset(),!o[e]){var n=r.exec(e);if(!n)throw new Error("invalid addr: "+e);o[e]=[n[1],Number(n[2])],i+=1}return o[e]},t.exports.reset=function(){o={},i=0}},{}],8:[function(e,t,n){(function(e){function n(e,t){return this instanceof n?(0===arguments.length&&(e=0),this.grow=t&&(isFinite(t.grow)&&r(t.grow)||t.grow)||0,"number"!=typeof e&&void 0!==e||(e=new o(r(e)),e.fill&&!e._isBuffer&&e.fill(0)),void(this.buffer=e)):new n(e,t)}function r(e){var t=e>>3;return e%8!==0&&t++,t}var o="undefined"!=typeof e?e:"undefined"!=typeof Int8Array?Int8Array:function(e){for(var t=new Array(e),n=0;n<e;n++)t[n]=0};n.prototype.get=function(e){var t=e>>3;return t<this.buffer.length&&!!(this.buffer[t]&128>>e%8)},n.prototype.set=function(e,t){var n=e>>3;t||1===arguments.length?(this.buffer.length<n+1&&this._grow(Math.max(n+1,Math.min(2*this.buffer.length,this.grow))),this.buffer[n]|=128>>e%8):n<this.buffer.length&&(this.buffer[n]&=~(128>>e%8))},n.prototype._grow=function(e){if(this.buffer.length<e&&e<=this.grow){var t=new o(e);if(t.fill&&t.fill(0),this.buffer.copy)this.buffer.copy(t,0);else for(var n=0;n<this.buffer.length;n++)t[n]=this.buffer[n];this.buffer=t}},"undefined"!=typeof t&&(t.exports=n)}).call(this,e("buffer").Buffer)},{buffer:22}],9:[function(e,t,n){function r(e,t,n,r){this.piece=e,this.offset=t,this.length=n,this.callback=r}function o(){return this instanceof o?(p.Duplex.call(this),this._debugId=l(4).toString("hex"),this._debug("new wire"),this.peerId=null,this.peerIdBuffer=null,this.type=null,this.amChoking=!0,this.amInterested=!1,this.peerChoking=!0,this.peerInterested=!1,this.peerPieces=new a(0,{grow:m}),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=h(),this.downloadSpeed=h(),this._keepAliveInterval=null,this._timeout=null,this._timeoutMs=0,this.destroyed=!1,this._finished=!1,this._parserSize=0,this._parser=null,this._buffer=[],this._bufferSize=0,this.on("finish",this._onFinish),void this._parseHandshake()):new o}function i(e,t,n,r){for(var o=0;o<e.length;o++){var i=e[o];if(i.piece===t&&i.offset===n&&i.length===r)return 0===o?e.shift():e.splice(o,1),i}return null}t.exports=o;var s=e("bencode"),a=e("bitfield"),u=e("safe-buffer").Buffer,c=e("debug")("bittorrent-protocol"),f=e("xtend"),d=e("inherits"),l=e("randombytes"),h=e("speedometer"),p=e("readable-stream"),m=4e5,g=55e3,y=u.from("BitTorrent protocol"),_=u.from([0,0,0,0]),v=u.from([0,0,0,1,0]),b=u.from([0,0,0,1,1]),w=u.from([0,0,0,1,2]),k=u.from([0,0,0,1,3]),E=[0,0,0,0,0,0,0,0],x=[0,0,0,3,9,0,0];d(o,p.Duplex),o.prototype.setKeepAlive=function(e){var t=this;t._debug("setKeepAlive %s",e),clearInterval(t._keepAliveInterval),e!==!1&&(t._keepAliveInterval=setInterval(function(){t.keepAlive()},g))},o.prototype.setTimeout=function(e,t){this._debug("setTimeout ms=%d unref=%s",e,t),this._clearTimeout(),this._timeoutMs=e,this._timeoutUnref=!!t,this._updateTimeout()},o.prototype.destroy=function(){this.destroyed||(this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end())},o.prototype.end=function(){this._debug("end"),this._onUninterested(),this._onChoke(),p.Duplex.prototype.end.apply(this,arguments)},o.prototype.use=function(e){function t(){}var n=e.prototype.name;if(!n)throw new Error('Extension class requires a "name" property on the prototype');this._debug("use extension.name=%s",n);var r=this._nextExt,o=new e(this);"function"!=typeof o.onHandshake&&(o.onHandshake=t),"function"!=typeof o.onExtendedHandshake&&(o.onExtendedHandshake=t),"function"!=typeof o.onMessage&&(o.onMessage=t),this.extendedMapping[r]=n,this._ext[n]=o,this[n]=o,this._nextExt+=1},o.prototype.keepAlive=function(){this._debug("keep-alive"),this._push(_)},o.prototype.handshake=function(e,t,n){var r,o;if("string"==typeof e?r=u.from(e,"hex"):(r=e,e=r.toString("hex")),"string"==typeof t?o=u.from(t,"hex"):(o=t,t=o.toString("hex")),20!==r.length||20!==o.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,n);var i=u.from(E);i[5]|=16,n&&n.dht&&(i[7]|=1),this._push(u.concat([y,i,r,o])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},o.prototype._sendExtendedHandshake=function(){var e=f(this.extendedHandshake);e.m={};for(var t in this.extendedMapping){var n=this.extendedMapping[t];e.m[n]=Number(t)}this.extended(0,s.encode(e)),this._extendedHandshakeSent=!0},o.prototype.choke=function(){this.amChoking||(this.amChoking=!0,this._debug("choke"),this.peerRequests.splice(0,this.peerRequests.length),this._push(v))},o.prototype.unchoke=function(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(b))},o.prototype.interested=function(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(w))},o.prototype.uninterested=function(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(k))},o.prototype.have=function(e){this._debug("have %d",e),this._message(4,[e],null)},o.prototype.bitfield=function(e){this._debug("bitfield"),u.isBuffer(e)||(e=e.buffer),this._message(5,[],e)},o.prototype.request=function(e,t,n,o){return o||(o=function(){}),this._finished?o(new Error("wire is closed")):this.peerChoking?o(new Error("peer is choking")):(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new r(e,t,n,o)),this._updateTimeout(),void this._message(6,[e,t,n],null))},o.prototype.piece=function(e,t,n){this._debug("piece index=%d offset=%d",e,t),this.uploaded+=n.length,this.uploadSpeed(n.length),this.emit("upload",n.length),this._message(7,[e,t],n)},o.prototype.cancel=function(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(i(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)},o.prototype.port=function(e){this._debug("port %d",e);var t=u.from(x);t.writeUInt16BE(e,5),this._push(t)},o.prototype.extended=function(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"!=typeof e)throw new Error("Unrecognized extension: "+e);var n=u.from([e]),r=u.isBuffer(t)?t:s.encode(t);this._message(20,[],u.concat([n,r]))},o.prototype._read=function(){},o.prototype._message=function(e,t,n){var r=n?n.length:0,o=u.allocUnsafe(5+4*t.length);o.writeUInt32BE(o.length+r-4,0),o[4]=e;for(var i=0;i<t.length;i++)o.writeUInt32BE(t[i],5+4*i);this._push(o),n&&this._push(n)},o.prototype._push=function(e){if(!this._finished)return this.push(e)},o.prototype._onKeepAlive=function(){this._debug("got keep-alive"),this.emit("keep-alive")},o.prototype._onHandshake=function(e,t,n){var r=e.toString("hex"),o=t.toString("hex");this._debug("got handshake i=%s p=%s exts=%o",r,o,n),this.peerId=o,this.peerIdBuffer=t,this.peerExtensions=n,this.emit("handshake",r,o,n);var i;for(i in this._ext)this._ext[i].onHandshake(r,o,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()},o.prototype._onChoke=function(){for(this.peerChoking=!0,this._debug("got choke"),this.emit("choke");this.requests.length;)this._callback(this.requests.shift(),new Error("peer is choking"),null)},o.prototype._onUnchoke=function(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")},o.prototype._onInterested=function(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")},o.prototype._onUninterested=function(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")},o.prototype._onHave=function(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))},o.prototype._onBitField=function(e){this.peerPieces=new a(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)},o.prototype._onRequest=function(e,t,n){var o=this;if(!o.amChoking){o._debug("got request index=%d offset=%d length=%d",e,t,n);var s=function(r,s){if(a===i(o.peerRequests,e,t,n))return r?o._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,r.message):void o.piece(e,t,s)},a=new r(e,t,n,s);o.peerRequests.push(a),o.emit("request",e,t,n,s)}},o.prototype._onPiece=function(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(i(this.requests,e,t,n.length),null,n),this.downloaded+=n.length,this.downloadSpeed(n.length),this.emit("download",n.length),this.emit("piece",e,t,n)},o.prototype._onCancel=function(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),i(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)},o.prototype._onPort=function(e){this._debug("got port %d",e),this.emit("port",e)},o.prototype._onExtended=function(e,t){if(0===e){var n;try{n=s.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!n)return;this.peerExtendedHandshake=n;var r;if("object"==typeof n.m)for(r in n.m)this.peerExtendedMapping[r]=Number(n.m[r].toString());for(r in this._ext)this.peerExtendedMapping[r]&&this._ext[r].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[e]&&(e=this.extendedMapping[e],this._ext[e]&&this._ext[e].onMessage(t)),this._debug("got extended message ext=%s",e),this.emit("extended",e,t)},o.prototype._onTimeout=function(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")},o.prototype._write=function(e,t,n){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){var r=1===this._buffer.length?this._buffer[0]:u.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[r.slice(this._parserSize)]:[],this._parser(r.slice(0,this._parserSize))}n(null)},o.prototype._callback=function(e,t,n){e&&(this._clearTimeout(),this.peerChoking||this._finished||this._updateTimeout(),e.callback(t,n))},o.prototype._clearTimeout=function(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)},o.prototype._updateTimeout=function(){var e=this;e._timeoutMs&&e.requests.length&&!e._timeout&&(e._timeout=setTimeout(function(){e._onTimeout()},e._timeoutMs),e._timeoutUnref&&e._timeout.unref&&e._timeout.unref())},o.prototype._parse=function(e,t){this._parserSize=e,this._parser=t},o.prototype._onMessageLength=function(e){var t=e.readUInt32BE(0);t>0?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))},o.prototype._onMessage=function(e){switch(this._parse(4,this._onMessageLength),e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",e)}},o.prototype._parseHandshake=function(){var e=this;e._parse(1,function(t){var n=t.readUInt8(0);e._parse(n+48,function(t){var r=t.slice(0,n);return"BitTorrent protocol"!==r.toString()?(e._debug("Error: wire not speaking BitTorrent protocol (%s)",r.toString()),void e.end()):(t=t.slice(n),e._onHandshake(t.slice(8,28),t.slice(28,48),{dht:!!(1&t[7]),extended:!!(16&t[5])}),void e._parse(4,e._onMessageLength))})})},o.prototype._onFinish=function(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,function(){}),this.peerRequests=[];this.requests.length;)this._callback(this.requests.shift(),new Error("wire was closed"),null)},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],c.apply(null,e)}},{bencode:12,bitfield:8,debug:66,inherits:72,randombytes:88,"readable-stream":103,"safe-buffer":125,speedometer:134,xtend:155}],10:[function(e,t,n){(function(e){function n(e,t,n){for(var r=0,o=1,i=t;i<n;i++){var s=e[i];if(s<58&&s>=48)r=10*r+(s-48);else if(i!==t||43!==s){if(i!==t||45!==s){if(46===s)break;throw new Error("not a number: buffer["+i+"] = "+s)}o=-1}}return r*o}function r(t,n,o,i){return null==t||0===t.length?null:("number"!=typeof n&&null==i&&(i=n,n=void 0),"number"!=typeof o&&null==i&&(i=o,o=void 0),r.position=0,r.encoding=i||null,r.data=e.isBuffer(t)?t.slice(n,o):new e(t),r.bytes=r.data.length,r.next())}r.bytes=0,r.position=0,r.data=null,r.encoding=null,r.next=function(){switch(r.data[r.position]){case 100:return r.dictionary();case 108:return r.list();case 105:return r.integer();default:return r.buffer()}},r.find=function(e){for(var t=r.position,n=r.data.length,o=r.data;t<n;){if(o[t]===e)return t;t++}throw new Error('Invalid data: Missing delimiter "'+String.fromCharCode(e)+'" [0x'+e.toString(16)+"]")},r.dictionary=function(){r.position++;for(var e={};101!==r.data[r.position];)e[r.buffer()]=r.next();return r.position++,e},r.list=function(){r.position++;for(var e=[];101!==r.data[r.position];)e.push(r.next());return r.position++,e},r.integer=function(){var e=r.find(101),t=n(r.data,r.position+1,e);return r.position+=e+1-r.position,t},r.buffer=function(){var e=r.find(58),t=n(r.data,r.position,e),o=++e+t;return r.position=o,r.encoding?r.data.toString(r.encoding,e,o):r.data.slice(e,o)},t.exports=r}).call(this,e("buffer").Buffer)},{buffer:22}],11:[function(e,t,n){(function(e){function n(t,r,o){var i=[],s=null;return n._encode(i,t),s=e.concat(i),n.bytes=s.length,e.isBuffer(r)?(s.copy(r,o),r):s}n.bytes=-1,n._floatConversionDetected=!1,n._encode=function(t,r){if(e.isBuffer(r))return t.push(new e(r.length+":")),void t.push(r);if(null!=r)switch(typeof r){case"string":n.buffer(t,r);break;case"number":n.number(t,r);break;case"object":r.constructor===Array?n.list(t,r):n.dict(t,r);break;case"boolean":n.number(t,r?1:0)}};var r=new e("e"),o=new e("d"),i=new e("l");n.buffer=function(t,n){t.push(new e(e.byteLength(n)+":"+n))},n.number=function(t,r){var o=2147483648,i=r/o<<0,s=r%o<<0,a=i*o+s;t.push(new e("i"+a+"e")),a===r||n._floatConversionDetected||(n._floatConversionDetected=!0,console.warn('WARNING: Possible data corruption detected with value "'+r+'":','Bencoding only defines support for integers, value was converted to "'+a+'"'),console.trace())},n.dict=function(e,t){e.push(o);for(var i,s=0,a=Object.keys(t).sort(),u=a.length;s<u;s++)i=a[s],null!=t[i]&&(n.buffer(e,i),n._encode(e,t[i]));e.push(r)},n.list=function(e,t){var o=0,s=t.length;for(e.push(i);o<s;o++)null!=t[o]&&n._encode(e,t[o]);e.push(r)},t.exports=n}).call(this,e("buffer").Buffer)},{buffer:22}],12:[function(e,t,n){var r=t.exports;r.encode=e("./encode"),r.decode=e("./decode"),r.byteLength=r.encodingLength=function(e){return r.encode(e).length}},{"./decode":10,"./encode":11}],13:[function(e,t,n){(function(n){function r(e){function t(e){n.nextTick(function(){a.emit("warning",e)})}var a=this;if(!(a instanceof r))return new r(e);if(s.call(a),e||(e={}),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");if(!n.browser&&!e.port)throw new Error("Option `port` is required");a.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),a._peerIdBuffer=o.from(a.peerId,"hex"),a._peerIdBinary=a._peerIdBuffer.toString("binary"),a.infoHash="string"==typeof e.infoHash?e.infoHash:e.infoHash.toString("hex"),a._infoHashBuffer=o.from(a.infoHash,"hex"),a._infoHashBinary=a._infoHashBuffer.toString("binary"),i("new client %s",a.infoHash),a.destroyed=!1,a._port=e.port,a._getAnnounceOpts=e.getAnnounceOpts,a._rtcConfig=e.rtcConfig,a._userAgent=e.userAgent,a._wrtc="function"==typeof e.wrtc?e.wrtc():e.wrtc,a._socketPool={};var u="string"==typeof e.announce?[e.announce]:null==e.announce?[]:e.announce;u=u.map(function(e){return e=e.toString(),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e}),u=l(u);var c=a._wrtc!==!1&&(!!a._wrtc||d.WEBRTC_SUPPORT);a._trackers=u.map(function(e){var n=h.parse(e).protocol;return"http:"!==n&&"https:"!==n||"function"!=typeof m?"udp:"===n&&"function"==typeof g?new g(a,e):"ws:"!==n&&"wss:"!==n||!c?(t(new Error("Unsupported tracker protocol: "+e)),null):"ws:"===n&&"undefined"!=typeof window&&"https:"===window.location.protocol?(t(new Error("Unsupported tracker protocol: "+e)),null):new y(a,e):new m(a,e)}).filter(Boolean)}t.exports=r;var o=e("safe-buffer").Buffer,i=e("debug")("bittorrent-tracker:client"),s=e("events").EventEmitter,a=e("xtend"),u=e("inherits"),c=e("once"),f=e("run-parallel"),d=e("simple-peer"),l=e("uniq"),h=e("url"),p=e("./lib/common"),m=e("./lib/client/http-tracker"),g=e("./lib/client/udp-tracker"),y=e("./lib/client/websocket-tracker");u(r,s),r.scrape=function(e,t){if(t=c(t),!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");var n=a(e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:o.from("01234567890123456789"),port:6881}),i=new r(n);i.once("error",t),i.once("warning",t);var s=Array.isArray(e.infoHash)?e.infoHash.length:1,u={};return i.on("scrape",function(e){if(s-=1,u[e.infoHash]=e,0===s){i.destroy();var n=Object.keys(u);1===n.length?t(null,u[n[0]]):t(null,u)}}),e.infoHash=Array.isArray(e.infoHash)?e.infoHash.map(function(e){return o.from(e,"hex")}):o.from(e.infoHash,"hex"),i.scrape({infoHash:e.infoHash}),i},r.prototype.start=function(e){var t=this;i("send `start`"),e=t._defaultAnnounceOpts(e),e.event="started",t._announce(e),t._trackers.forEach(function(e){e.setInterval()})},r.prototype.stop=function(e){var t=this;i("send `stop`"),e=t._defaultAnnounceOpts(e),e.event="stopped",t._announce(e)},r.prototype.complete=function(e){var t=this;i("send `complete`"),e||(e={}),e=t._defaultAnnounceOpts(e),e.event="completed",t._announce(e)},r.prototype.update=function(e){var t=this;i("send `update`"),e=t._defaultAnnounceOpts(e),e.event&&delete e.event,t._announce(e)},r.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})},r.prototype.scrape=function(e){var t=this;i("send `scrape`"),e||(e={}),t._trackers.forEach(function(t){t.scrape(e)})},r.prototype.setInterval=function(e){var t=this;i("setInterval %d",e),t._trackers.forEach(function(t){t.setInterval(e)})},r.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,i("destroy");var n=t._trackers.map(function(e){return function(t){e.destroy(t)}});f(n,e),t._trackers=[],t._getAnnounceOpts=null}},r.prototype._defaultAnnounceOpts=function(e){var t=this;return e||(e={}),null==e.numwant&&(e.numwant=p.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),t._getAnnounceOpts&&(e=a(e,t._getAnnounceOpts())),e}}).call(this,e("_process"))},{"./lib/client/http-tracker":21,"./lib/client/udp-tracker":21,"./lib/client/websocket-tracker":15,"./lib/common":16,_process:29,debug:66,events:25,inherits:72,once:18,"run-parallel":124,"safe-buffer":125,"simple-peer":130,uniq:149,url:41,xtend:155}],14:[function(e,t,n){function r(e,t){var n=this;o.call(n),n.client=e,n.announceUrl=t,n.interval=null,n.destroyed=!1}t.exports=r;var o=e("events").EventEmitter,i=e("inherits");i(r,o),r.prototype.setInterval=function(e){var t=this;null==e&&(e=t.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(t.interval),e&&(t.interval=setInterval(function(){t.announce(t.client._defaultAnnounceOpts())},e),t.interval.unref&&t.interval.unref())}},{events:25,inherits:72}],15:[function(e,t,n){function r(e,t,n){var r=this;l.call(r,e,t),i("new websocket tracker %s",t),r.peers={},r.socket=null,r.reconnecting=!1,r.retries=0,r.reconnectTimer=null,r.expectingResponse=!1,r._openSocket()}function o(){}t.exports=r;var i=e("debug")("bittorrent-tracker:websocket-tracker"),s=e("xtend"),a=e("inherits"),u=e("simple-peer"),c=e("randombytes"),f=e("simple-websocket"),d=e("../common"),l=e("./tracker"),h=15e3,p=18e5,m=3e4,g=5e4;a(r,l),r.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,r.prototype.announce=function(e){var t=this;if(!t.destroyed&&!t.reconnecting){if(!t.socket.connected)return void t.socket.once("connect",function(){t.announce(e)});var n=s(e,{action:"announce",info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary});if(t._trackerId&&(n.trackerid=t._trackerId),"stopped"===e.event||"completed"===e.event)t._send(n);else{var r=Math.min(e.numwant,10);t._generateOffers(r,function(e){n.numwant=r,n.offers=e,t._send(n)})}}},r.prototype.scrape=function(e){var t=this;if(!t.destroyed&&!t.reconnecting){if(!t.socket.connected)return void t.socket.once("connect",function(){t.scrape(e)});var n=Array.isArray(e.infoHash)&&e.infoHash.length>0?e.infoHash.map(function(e){return e.toString("binary")}):e.infoHash&&e.infoHash.toString("binary")||t.client._infoHashBinary,r={action:"scrape",info_hash:n};t._send(r)}},r.prototype.destroy=function(e){function t(){a&&(clearTimeout(a),a=null),s.removeListener("data",t),s.destroy(),s=null}var n=this;if(e||(e=o),n.destroyed)return e(null);n.destroyed=!0,clearInterval(n.interval),clearTimeout(n.reconnectTimer);for(var r in n.peers){var i=n.peers[r];clearTimeout(i.trackerTimeout),i.destroy()}if(n.peers=null,n.socket&&(n.socket.removeListener("connect",n._onSocketConnectBound),n.socket.removeListener("data",n._onSocketDataBound),n.socket.removeListener("close",n._onSocketCloseBound),n.socket.removeListener("error",n._onSocketErrorBound),n.socket=null),n._onSocketConnectBound=null,n._onSocketErrorBound=null,n._onSocketDataBound=null,n._onSocketCloseBound=null,n.client._socketPool[n.announceUrl]&&(n.client._socketPool[n.announceUrl].consumers-=1),n.client._socketPool[n.announceUrl].consumers>0)return e();var s=n.client._socketPool[n.announceUrl];if(delete n.client._socketPool[n.announceUrl],s.on("error",o),s.once("close",e),!n.expectingResponse)return t();var a=setTimeout(t,d.DESTROY_TIMEOUT);s.once("data",t)},r.prototype._openSocket=function(){var e=this;e.destroyed=!1,e.peers||(e.peers={}),e._onSocketConnectBound=function(){e._onSocketConnect()},e._onSocketErrorBound=function(t){e._onSocketError(t)},e._onSocketDataBound=function(t){e._onSocketData(t)},e._onSocketCloseBound=function(){e._onSocketClose()},e.socket=e.client._socketPool[e.announceUrl],e.socket?e.client._socketPool[e.announceUrl].consumers+=1:(e.socket=e.client._socketPool[e.announceUrl]=new f(e.announceUrl),e.socket.consumers=1,e.socket.once("connect",e._onSocketConnectBound)),e.socket.on("data",e._onSocketDataBound),e.socket.once("close",e._onSocketCloseBound),e.socket.once("error",e._onSocketErrorBound)},r.prototype._onSocketConnect=function(){var e=this;e.destroyed||e.reconnecting&&(e.reconnecting=!1,e.retries=0,e.announce(e.client._defaultAnnounceOpts()))},r.prototype._onSocketData=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!1;try{e=JSON.parse(e)}catch(e){return void t.client.emit("warning",new Error("Invalid tracker response"))}"announce"===e.action?t._onAnnounceResponse(e):"scrape"===e.action?t._onScrapeResponse(e):t._onSocketError(new Error("invalid action in WS response: "+e.action))}},r.prototype._onAnnounceResponse=function(e){var t=this;if(e.info_hash!==t.client._infoHashBinary)return void i("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,d.binaryToHex(e.info_hash),t.client.infoHash);if(!e.peer_id||e.peer_id!==t.client._peerIdBinary){i("received %s from %s for %s",JSON.stringify(e),t.announceUrl,t.client.infoHash);var n=e["failure reason"];if(n)return t.client.emit("warning",new Error(n));var r=e["warning message"];r&&t.client.emit("warning",new Error(r));var o=e.interval||e["min interval"];o&&t.setInterval(1e3*o);var s=e["tracker id"];s&&(t._trackerId=s),null!=e.complete&&t.client.emit("update",{announce:t.announceUrl,complete:e.complete,incomplete:e.incomplete});var a;if(e.offer&&e.peer_id&&(i("creating peer (from remote offer)"),a=new u({trickle:!1,config:t.client._rtcConfig,wrtc:t.client._wrtc}),a.id=d.binaryToHex(e.peer_id),a.once("signal",function(n){var r={action:"announce",info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,to_peer_id:e.peer_id,answer:n,offer_id:e.offer_id};t._trackerId&&(r.trackerid=t._trackerId),t._send(r)}),a.signal(e.offer),t.client.emit("peer",a)),e.answer&&e.peer_id){var c=d.binaryToHex(e.offer_id);a=t.peers[c],a?(a.id=d.binaryToHex(e.peer_id),a.signal(e.answer),t.client.emit("peer",a),clearTimeout(a.trackerTimeout),a.trackerTimeout=null,delete t.peers[c]):i("got unexpected answer: "+JSON.stringify(e.answer))}}},r.prototype._onScrapeResponse=function(e){var t=this;e=e.files||{};var n=Object.keys(e);return 0===n.length?void t.client.emit("warning",new Error("invalid scrape response")):void n.forEach(function(n){var r=e[n];t.client.emit("scrape",{announce:t.announceUrl,infoHash:d.binaryToHex(n),complete:r.complete,incomplete:r.incomplete,downloaded:r.downloaded})})},r.prototype._onSocketClose=function(){var e=this;e.destroyed||(e.destroy(),e._startReconnectTimer())},r.prototype._onSocketError=function(e){var t=this;t.destroyed||(t.destroy(),t.client.emit("warning",e),t._startReconnectTimer())},r.prototype._startReconnectTimer=function(){var e=this,t=Math.floor(Math.random()*m)+Math.min(Math.pow(2,e.retries)*h,p);e.reconnecting=!0,clearTimeout(e.reconnectTimer),e.reconnectTimer=setTimeout(function(){e.retries++,e._openSocket()},t),e.reconnectTimer.unref&&e.reconnectTimer.unref(),i("reconnecting socket in %s ms",t)},r.prototype._send=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!0;var n=JSON.stringify(e);i("send %s",n),t.socket.send(n)}},r.prototype._generateOffers=function(e,t){function n(){var e=c(20).toString("hex");i("creating peer (from _generateOffers)");var t=o.peers[e]=new u({initiator:!0,trickle:!1,config:o.client._rtcConfig,wrtc:o.client._wrtc});t.once("signal",function(t){s.push({offer:t,offer_id:d.hexToBinary(e)}),r()}),t.trackerTimeout=setTimeout(function(){i("tracker timeout: destroying peer"),t.trackerTimeout=null,delete o.peers[e],t.destroy()},g),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function r(){s.length===e&&(i("generated %s offers",e),t(s))}var o=this,s=[];i("generating %s offers",e);for(var a=0;a<e;++a)n();r()}},{"../common":16,"./tracker":14,debug:66,inherits:72,randombytes:88,"simple-peer":130,"simple-websocket":19,xtend:155}],16:[function(e,t,n){var r=e("safe-buffer").Buffer,o=e("xtend/mutable");n.DEFAULT_ANNOUNCE_PEERS=50,n.MAX_ANNOUNCE_PEERS=82,n.binaryToHex=function(e){return"string"!=typeof e&&(e=String(e)),r.from(e,"binary").toString("hex")},n.hexToBinary=function(e){
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i=e("wrappy");t.exports=i(r),t.exports.strict=i(o),r.proto=r(function(){Object.defineProperty(Function.prototype,"once",{value:function(){return r(this)},configurable:!0}),Object.defineProperty(Function.prototype,"onceStrict",{value:function(){return o(this)},configurable:!0})})},{wrappy:17}],19:[function(e,t,n){(function(n,r){function o(e,t){var r=this;if(!(r instanceof o))return new o(e,t);t||(t={}),r._id=u(4).toString("hex").slice(0,7),r._debug("new websocket: %s %o",e,t),t=s({},{allowHalfOpen:!1,highWaterMark:1048576},t),c.Duplex.call(r,t),r.url=e,r.connected=!1,r.destroyed=!1,r._maxBufferedAmount=t.highWaterMark,r._chunk=null,r._cb=null,r._interval=null;try{"function"==typeof f?r._ws=new d(r.url,t):r._ws=new d(r.url)}catch(e){return void n.nextTick(function(){r._onError(e)})}r._ws.binaryType="arraybuffer",r._ws.onopen=function(){r._onOpen()},r._ws.onmessage=function(e){r._onMessage(e)},r._ws.onclose=function(){r._onClose()},r._ws.onerror=function(){r._onError(new Error("connection 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o(e){e=s(e),e.infoHashBuffer&&(e.xt="urn:btih:"+e.infoHashBuffer.toString("hex")),e.infoHash&&(e.xt="urn:btih:"+e.infoHash),e.name&&(e.dn=e.name),e.keywords&&(e.kt=e.keywords),e.announce&&(e.tr=e.announce),e.urlList&&(e.ws=e.urlList,delete e.as);var t="magnet:?";return Object.keys(e).filter(function(e){return 2===e.length}).forEach(function(n,r){var o=Array.isArray(e[n])?e[n]:[e[n]];o.forEach(function(e,o){!(r>0||o>0)||"kt"===n&&0!==o||(t+="&"),"dn"===n&&(e=encodeURIComponent(e).replace(/%20/g,"+")),"tr"!==n&&"xs"!==n&&"as"!==n&&"ws"!==n||(e=encodeURIComponent(e)),"kt"===n&&(e=encodeURIComponent(e)),t+="kt"===n&&o>0?"+"+e:n+"="+e})}),t}t.exports=r,t.exports.decode=r,t.exports.encode=o;var i=e("thirty-two"),s=e("xtend"),a=e("uniq")}).call(this,e("buffer").Buffer)},{buffer:22,"thirty-two":78,uniq:149,xtend:155}],78:[function(e,t,n){var r=e("./thirty-two");n.encode=r.encode,n.decode=r.decode},{"./thirty-two":79}],79:[function(e,t,n){(function(e){"use strict";function t(e){var t=Math.floor(e.length/5);return e.length%5===0?t:t+1}var r="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",o=[255,255,26,27,28,29,30,31,255,255,255,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255];n.encode=function(n){e.isBuffer(n)||(n=new e(n));for(var o=0,i=0,s=0,a=0,u=new e(8*t(n));o<n.length;){var c=n[o];s>3?(a=c&255>>s,s=(s+5)%8,a=a<<s|(o+1<n.length?n[o+1]:0)>>8-s,o++):(a=c>>8-(s+5)&31,s=(s+5)%8,0===s&&o++),u[i]=r.charCodeAt(a),i++}for(o=i;o<u.length;o++)u[o]=61;return u},n.decode=function(t){var n,r=0,i=0,s=0;e.isBuffer(t)||(t=new e(t));for(var a=new e(Math.ceil(5*t.length/8)),u=0;u<t.length&&61!==t[u];u++){var c=t[u]-48;if(!(c<o.length))throw new Error("Invalid input - it is not base32 encoded string");i=o[c],r<=3?(r=(r+5)%8,0===r?(n|=i,a[s]=n,s++,n=0):n|=255&i<<8-r):(r=(r+5)%8,n|=255&i>>>r,a[s]=n,s++,n=255&i<<8-r)}return 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t["announce-list"]=(e.announce||[]).map(function(e){return t.announce||(t.announce=e),e=new n(e,"utf8"),[e]}),t["url-list"]=e.urlList||[],e.created&&(t["creation date"]=e.created.getTime()/1e3|0),e.createdBy&&(t["created by"]=e.createdBy),e.comment&&(t.comment=e.comment),u.encode(t)}function i(e,t){return e+t.length}function s(e){for(var t=[],n=0;n<e.length;n+=20)t.push(e.slice(n,n+20).toString("hex"));return t}function a(e,t){if(!e)throw new Error("Torrent is missing required field: "+t)}t.exports=r,t.exports.decode=r,t.exports.encode=o;var u=e("bencode"),c=e("path"),f=e("simple-sha1"),d=e("uniq")}).call(this,e("buffer").Buffer)},{bencode:83,buffer:22,path:28,"simple-sha1":132,uniq:149}],81:[function(e,t,n){arguments[4][10][0].apply(n,arguments)},{buffer:22,dup:10}],82:[function(e,t,n){arguments[4][11][0].apply(n,arguments)},{buffer:22,dup:11}],83:[function(e,t,n){arguments[4][12][0].apply(n,arguments)},{"./decode":81,"./encode":82,dup:12}],84:[function(e,t,n){var r=e("once"),o=e("end-of-stream"),i=e("fs"),s=function(){},a=function(e){return"function"==typeof e},u=function(e){return!!i&&((e instanceof(i.ReadStream||s)||e instanceof(i.WriteStream||s))&&a(e.close))},c=function(e){return e.setHeader&&a(e.abort)},f=function(e,t,n,i){i=r(i);var s=!1;e.on("close",function(){s=!0}),o(e,{readable:t,writable:n},function(e){return e?i(e):(s=!0,void i())});var f=!1;return function(t){if(!s&&!f)return f=!0,u(e)?e.close():c(e)?e.abort():a(e.destroy)?e.destroy():void i(t||new Error("stream was destroyed"))}},d=function(e){e()},l=function(e,t){return e.pipe(t)},h=function(){var e=Array.prototype.slice.call(arguments),t=a(e[e.length-1]||s)&&e.pop()||s;if(Array.isArray(e[0])&&(e=e[0]),e.length<2)throw new Error("pump requires two streams per minimum");var n,r=e.map(function(o,i){var s=i<e.length-1,a=i>0;return f(o,s,a,function(e){n||(n=e),e&&r.forEach(d),s||(r.forEach(d),t(n))})});return e.reduce(l)};t.exports=h},{"end-of-stream":68,fs:21,once:86}],85:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{dup:17}],86:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{dup:18,wrappy:85}],87:[function(e,t,n){var r=function(e){var t=0;return function(){if(t===e.length)return null;var n=e.length-t,r=Math.random()*n|0,o=e[t+r],i=e[t];return e[t]=o,e[t+r]=i,
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n=this.charReceived,r=this.charBuffer,o=this.encoding;t+=r.slice(0,n).toString(o)}return t}},{buffer:22}],101:[function(e,t,n){(function(e){function n(e,t){function n(){if(!o){if(r("throwDeprecation"))throw new Error(t);r("traceDeprecation")?console.trace(t):console.warn(t),o=!0}return e.apply(this,arguments)}if(r("noDeprecation"))return e;var o=!1;return n}function r(t){try{if(!e.localStorage)return!1}catch(e){return!1}var n=e.localStorage[t];return null!=n&&"true"===String(n).toLowerCase()}t.exports=n}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],102:[function(e,t,n){t.exports=e("./lib/_stream_passthrough.js")},{"./lib/_stream_passthrough.js":91}],103:[function(e,t,n){(function(r){var o=function(){try{return e("stream")}catch(e){}}();n=t.exports=e("./lib/_stream_readable.js"),n.Stream=o||n,n.Readable=n,n.Writable=e("./lib/_stream_writable.js"),n.Duplex=e("./lib/_stream_duplex.js"),n.Transform=e("./lib/_stream_transform.js"),n.PassThrough=e("./lib/_stream_passthrough.js"),!r.browser&&"disable"===r.env.READABLE_STREAM&&o&&(t.exports=o)}).call(this,e("_process"))},{"./lib/_stream_duplex.js":90,"./lib/_stream_passthrough.js":91,"./lib/_stream_readable.js":92,"./lib/_stream_transform.js":93,"./lib/_stream_writable.js":94,_process:29}],104:[function(e,t,n){t.exports=e("./lib/_stream_transform.js")},{"./lib/_stream_transform.js":93}],105:[function(e,t,n){t.exports=e("./lib/_stream_writable.js")},{"./lib/_stream_writable.js":94}],106:[function(e,t,n){function r(e,t,n,r){"function"==typeof n&&(r=n,n={}),n||(n={}),r||(r=function(){}),a(e),c(n),"string"==typeof t&&(t=document.querySelector(t)),i(e,function(n){if(t.nodeName!==n.toUpperCase()){var r=h.extname(e.name).toLowerCase();throw new Error('Cannot render "'+r+'" inside a "'+t.nodeName.toLowerCase()+'" element, expected "'+n+'"')}return t},n,r)}function o(e,t,n,r){function o(e){return"video"===e||"audio"===e?s(e):u(e)}function s(e){var r=u(e);return n.controls&&(r.controls=!0),n.autoplay&&(r.autoplay=!0),t.appendChild(r),r}function u(e){var n=document.createElement(e);return t.appendChild(n),n}function f(e,t){e&&t&&t.remove(),r(e,t)}if("function"==typeof n&&(r=n,n={}),n||(n={}),r||(r=function(){}),a(e),c(n),"string"==typeof t&&(t=document.querySelector(t)),t&&("VIDEO"===t.nodeName||"AUDIO"===t.nodeName))throw new Error("Invalid video/audio node argument. Argument must be root element that video/audio tag will be appended to.");i(e,o,n,f)}function i(e,t,n,r){function o(){function r(){f("Use `videostream` package for "+e.name),p(),B.addEventListener("error",d),B.addEventListener("loadstart",a),B.addEventListener("canplay",c),m(e,B)}function o(){f("Use MediaSource API for "+e.name),p(),B.addEventListener("error",h),B.addEventListener("loadstart",a),B.addEventListener("canplay",c);var t=new l(B),n=t.createWriteStream(u(e.name));e.createReadStream().pipe(n),A&&(B.currentTime=A)}function i(){f("Use Blob URL for "+e.name),p(),B.addEventListener("error",S),B.addEventListener("loadstart",a),B.addEventListener("canplay",c),s(e,function(e,t){return e?S(e):(B.src=t,void(A&&(B.currentTime=A)))})}function d(e){f("videostream error: fallback to MediaSource API: %o",e.message||e),B.removeEventListener("error",d),B.removeEventListener("canplay",c),o()}function h(t){return f("MediaSource API error: fallback to Blob URL: %o",t.message||t),"number"==typeof e.length&&e.length>n.maxBlobLength?(f("File length too large for Blob URL approach: %d (max: %d)",e.length,n.maxBlobLength),S(new Error("File length too large for Blob URL approach: "+e.length+" (max: "+n.maxBlobLength+")"))):(B.removeEventListener("error",h),B.removeEventListener("canplay",c),void i())}function p(){B||(B=t(_),B.addEventListener("progress",function(){A=B.currentTime}))}var _=y.indexOf(I)>=0?"video":"audio";x?g.indexOf(I)>=0?r():o():i()}function i(){B=t("audio"),s(e,function(e,t){return e?S(e):(B.addEventListener("error",S),B.addEventListener("loadstart",a),B.addEventListener("canplay",c),void(B.src=t))})}function a(){B.removeEventListener("loadstart",a),n.autoplay&&B.play()}function c(){B.removeEventListener("canplay",c),r(null,B)}function p(){B=t("img"),s(e,function(t,n){return t?S(t):(B.src=n,B.alt=e.name,void r(null,B))})}function _(){B=t("iframe"),s(e,function(e,t){return e?S(e):(B.src=t,".pdf"!==I&&(B.sandbox="allow-forms allow-scripts"),
+void r(null,B))})}function E(){function t(){d(n)?(f('File extension "%s" appears ascii, so will render.',I),_()):(f('File extension "%s" appears non-ascii, will not render.',I),r(new Error('Unsupported file type "'+I+'": Cannot append to DOM')))}f('Unknown file extension "%s" - will attempt to render into iframe',I);var n="";e.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",function(e){n+=e}).on("end",t).on("error",r)}function S(t){t.message='Error rendering file "'+e.name+'": '+t.message,f(t.message),r(t)}var B,I=h.extname(e.name).toLowerCase(),A=0;v.indexOf(I)>=0?o():b.indexOf(I)>=0?i():w.indexOf(I)>=0?p():k.indexOf(I)>=0?_():E()}function s(e,t){var r=h.extname(e.name).toLowerCase();p(e.createReadStream(),n.mime[r],t)}function a(e){if(null==e)throw new Error("file cannot be null or undefined");if("string"!=typeof e.name)throw new Error("missing or invalid file.name property");if("function"!=typeof e.createReadStream)throw new Error("missing or invalid file.createReadStream property")}function u(e){var t=h.extname(e).toLowerCase();return{".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mkv":'video/webm; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[t]}function c(e){null==e.autoplay&&(e.autoplay=!0),null==e.controls&&(e.controls=!0),null==e.maxBlobLength&&(e.maxBlobLength=E)}n.render=r,n.append=o,n.mime=e("./lib/mime.json");var f=e("debug")("render-media"),d=e("is-ascii"),l=e("mediasource"),h=e("path"),p=e("stream-to-blob-url"),m=e("videostream"),g=[".m4a",".m4v",".mp4"],y=[".m4v",".mkv",".mp4",".webm"],_=[".m4a",".mp3"],v=[].concat(y,_),b=[".aac",".oga",".ogg",".wav"],w=[".bmp",".gif",".jpeg",".jpg",".png"],k=[".css",".html",".js",".md",".pdf",".txt"],E=2e8,x="undefined"!=typeof window&&window.MediaSource},{"./lib/mime.json":107,debug:66,"is-ascii":108,mediasource:109,path:28,"stream-to-blob-url":140,videostream:122}],107:[function(e,t,n){t.exports={".3gp":"video/3gpp",".aac":"audio/aac",".aif":"audio/x-aiff",".aiff":"audio/x-aiff",".atom":"application/atom+xml",".avi":"video/x-msvideo",".bmp":"image/bmp",".bz2":"application/x-bzip2",".conf":"text/plain",".css":"text/css",".csv":"text/plain",".diff":"text/x-diff",".doc":"application/msword",".flv":"video/x-flv",".gif":"image/gif",".gz":"application/x-gzip",".htm":"text/html",".html":"text/html",".ico":"image/vnd.microsoft.icon",".ics":"text/calendar",".iso":"application/octet-stream",".jar":"application/java-archive",".jpeg":"image/jpeg",".jpg":"image/jpeg",".js":"application/javascript",".json":"application/json",".less":"text/css",".log":"text/plain",".m3u":"audio/x-mpegurl",".m4a":"audio/mp4",".m4v":"video/mp4",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},{}],108:[function(e,t,n){var r=127;t.exports=function(e){for(var t=0,n=e.length;t<n;++t)if(e.charCodeAt(t)>r)return!1;return!0}},{}],109:[function(e,t,n){function r(e,t){var n=this;if(!(n instanceof r))return new r(e,t);if(!u)throw new Error("web browser lacks MediaSource support");t||(t={}),n._bufferDuration=t.bufferDuration||c,n._elem=e,n._mediaSource=new u,n._streams=[],n.detailedError=null,n._errorHandler=function(){n._elem.removeEventListener("error",n._errorHandler);var e=n._streams.slice();e.forEach(function(e){e.destroy(n._elem.error)})},n._elem.addEventListener("error",n._errorHandler),n._elem.src=window.URL.createObjectURL(n._mediaSource)}function o(e,t){var n=this;if(s.Writable.call(n),n._wrapper=e,n._elem=e._elem,n._mediaSource=e._mediaSource,n._allStreams=e._streams,n._allStreams.push(n),n._bufferDuration=e._bufferDuration,n._sourceBuffer=null,n._openHandler=function(){n._onSourceOpen()},n._flowHandler=function(){n._flow()},"string"==typeof t)n._type=t,"open"===n._mediaSource.readyState?n._createSourceBuffer():n._mediaSource.addEventListener("sourceopen",n._openHandler);else if(null===t._sourceBuffer)t.destroy(),n._type=t._type,n._mediaSource.addEventListener("sourceopen",n._openHandler);else{if(!t._sourceBuffer)throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function");t.destroy(),n._type=t._type,n._sourceBuffer=t._sourceBuffer,n._sourceBuffer.addEventListener("updateend",n._flowHandler)}n._elem.addEventListener("timeupdate",n._flowHandler),n.on("error",function(e){n._wrapper.error(e)}),n.on("finish",function(){if(!n.destroyed&&(n._finished=!0,n._allStreams.every(function(e){return e._finished})))try{n._mediaSource.endOfStream()}catch(e){}})}t.exports=r;var i=e("inherits"),s=e("readable-stream"),a=e("to-arraybuffer"),u="undefined"!=typeof window&&window.MediaSource,c=60;r.prototype.createWriteStream=function(e){var t=this;return new o(t,e)},r.prototype.error=function(e){var t=this;t.detailedError||(t.detailedError=e);try{t._mediaSource.endOfStream("decode")}catch(e){}},i(o,s.Writable),o.prototype._onSourceOpen=function(){var e=this;e.destroyed||(e._mediaSource.removeEventListener("sourceopen",e._openHandler),e._createSourceBuffer())},o.prototype.destroy=function(e){var t=this;t.destroyed||(t.destroyed=!0,t._allStreams.splice(t._allStreams.indexOf(t),1),t._mediaSource.removeEventListener("sourceopen",t._openHandler),t._elem.removeEventListener("timeupdate",t._flowHandler),t._sourceBuffer&&(t._sourceBuffer.removeEventListener("updateend",t._flowHandler),"open"===t._mediaSource.readyState&&t._sourceBuffer.abort()),e&&t.emit("error",e),t.emit("close"))},o.prototype._createSourceBuffer=function(){var e=this;if(!e.destroyed)if(u.isTypeSupported(e._type)){if(e._sourceBuffer=e._mediaSource.addSourceBuffer(e._type),e._sourceBuffer.addEventListener("updateend",e._flowHandler),e._cb){var t=e._cb;e._cb=null,t()}}else e.destroy(new Error("The provided type is not supported"))},o.prototype._write=function(e,t,n){var r=this;if(!r.destroyed){if(!r._sourceBuffer)return void(r._cb=function(o){return o?n(o):void r._write(e,t,n)});if(r._sourceBuffer.updating)return n(new Error("Cannot append buffer while source buffer updating"));try{r._sourceBuffer.appendBuffer(a(e))}catch(e){return void r.destroy(e)}r._cb=n}},o.prototype._flow=function(){var e=this;if(!e.destroyed&&e._sourceBuffer&&!e._sourceBuffer.updating&&!("open"===e._mediaSource.readyState&&e._getBufferDuration()>e._bufferDuration)&&e._cb){var t=e._cb;e._cb=null,t()}};var f=0;o.prototype._getBufferDuration=function(){for(var e=this,t=e._sourceBuffer.buffered,n=e._elem.currentTime,r=-1,o=0;o<t.length;o++){var i=t.start(o),s=t.end(o)+f;if(i>n)break;(r>=0||n<=s)&&(r=s)}var a=r-n;return a<0&&(a=0),a}},{inherits:72,"readable-stream":103,"to-arraybuffer":110}],110:[function(e,t,n){arguments[4][40][0].apply(n,arguments)},{buffer:22,dup:40}],111:[function(e,t,n){(function(n){function r(e){var t=this;a.call(t),t._tracks=[],t._fragmentSequence=1,t._file=e,t._decoder=null,t._findMoov(0)}function o(e,t){var n=this;n._entries=e,n._countName=t||"count",n._index=0,n._offset=0,n.value=n._entries[0]}function i(){return{version:0,flags:0,entries:[]}}var s=e("binary-search"),a=e("events").EventEmitter,u=e("inherits"),c=e("mp4-stream"),f=e("mp4-box-encoding"),d=e("range-slice-stream");t.exports=r,u(r,a),r.prototype._findMoov=function(e){var t=this;t._decoder&&t._decoder.destroy(),t._decoder=c.decode();var n=t._file.createReadStream({start:e});n.pipe(t._decoder),t._decoder.once("box",function(r){"moov"===r.type?t._decoder.decode(function(e){n.destroy();try{t._processMoov(e)}catch(e){e.message="Cannot parse mp4 file: "+e.message,t.emit("error",e)}}):(n.destroy(),t._findMoov(e+r.length))})},o.prototype.inc=function(){var e=this;e._offset++,e._offset>=e._entries[e._index][e._countName]&&(e._index++,e._offset=0),e.value=e._entries[e._index]},r.prototype._processMoov=function(e){var t=this,r=e.traks;t._tracks=[],t._hasVideo=!1,t._hasAudio=!1;for(var s=0;s<r.length;s++){var a,u,c=r[s],d=c.mdia.minf.stbl,l=d.stsd.entries[0],h=c.mdia.hdlr.handlerType;if("vide"===h&&"avc1"===l.type){if(t._hasVideo)continue;t._hasVideo=!0,a="avc1",l.avcC&&(a+="."+l.avcC.mimeCodec),u='video/mp4; codecs="'+a+'"'}else{if("soun"!==h||"mp4a"!==l.type)continue;if(t._hasAudio)continue;t._hasAudio=!0,a="mp4a",l.esds&&l.esds.mimeCodec&&(a+="."+l.esds.mimeCodec),u='audio/mp4; codecs="'+a+'"'}var p=[],m=0,g=0,y=0,_=0,v=0,b=0,w=new o(d.stts.entries),k=null;d.ctts&&(k=new o(d.ctts.entries));for(var E=0;;){var x=d.stsc.entries[v],S=d.stsz.entries[m],B=w.value.duration,I=k?k.value.compositionOffset:0,A=!0;if(d.stss&&(A=d.stss.entries[E]===m+1),p.push({size:S,duration:B,dts:b,presentationOffset:I,sync:A,offset:_+d.stco.entries[y]}),m++,m>=d.stsz.entries.length)break;if(g++,_+=S,g>=x.samplesPerChunk){g=0,_=0,y++;var L=d.stsc.entries[v+1];L&&y+1>=L.firstChunk&&v++}b+=B,w.inc(),k&&k.inc(),A&&E++}c.mdia.mdhd.duration=0,c.tkhd.duration=0;var T=x.sampleDescriptionId,C={type:"moov",mvhd:e.mvhd,traks:[{tkhd:c.tkhd,mdia:{mdhd:c.mdia.mdhd,hdlr:c.mdia.hdlr,elng:c.mdia.elng,minf:{vmhd:c.mdia.minf.vmhd,smhd:c.mdia.minf.smhd,dinf:c.mdia.minf.dinf,stbl:{stsd:d.stsd,stts:i(),ctts:i(),stsc:i(),stsz:i(),stco:i(),stss:i()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:c.tkhd.trackId,defaultSampleDescriptionIndex:T,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:c.tkhd.trackId,timeScale:c.mdia.mdhd.timeScale,samples:p,currSample:null,currTime:null,moov:C,mime:u})}if(0===t._tracks.length)return void t.emit("error",new Error("no playable tracks"));e.mvhd.duration=0,t._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};var U=f.encode(t._ftyp),R=t._tracks.map(function(e){var t=f.encode(e.moov);return{mime:e.mime,init:n.concat([U,t])}});t.emit("ready",R)},r.prototype.seek=function(e){var t=this;if(!t._tracks)throw new Error("Not ready yet; wait for 'ready' event");t._fileStream&&(t._fileStream.destroy(),t._fileStream=null);var n=-1;if(t._tracks.map(function(r,o){function i(e){s.destroyed||s.box(e.moof,function(n){if(n)return t.emit("error",n);if(!s.destroyed){var a=r.inStream.slice(e.ranges);a.pipe(s.mediaData(e.length,function(e){if(e)return t.emit("error",e);if(!s.destroyed){var n=t._generateFragment(o);return n?void i(n):s.finalize()}}))}})}r.outStream&&r.outStream.destroy(),r.inStream&&(r.inStream.destroy(),r.inStream=null);var s=r.outStream=c.encode(),a=t._generateFragment(o,e);return a?((n===-1||a.ranges[0].start<n)&&(n=a.ranges[0].start),void i(a)):s.finalize()}),n>=0){var r=t._fileStream=t._file.createReadStream({start:n});t._tracks.forEach(function(e){e.inStream=new d(n,{highWaterMark:1e7}),r.pipe(e.inStream)})}return t._tracks.map(function(e){return e.outStream})},r.prototype._findSampleBefore=function(e,t){var n=this,r=n._tracks[e],o=Math.floor(r.timeScale*t),i=s(r.samples,o,function(e,t){var n=e.dts+e.presentationOffset;return n-t});for(i===-1?i=0:i<0&&(i=-i-2);!r.samples[i].sync;)i--;return i};var l=1;r.prototype._generateFragment=function(e,t){var n,r=this,o=r._tracks[e];if(n=void 0!==t?r._findSampleBefore(e,t):o.currSample,n>=o.samples.length)return null;for(var i=o.samples[n].dts,s=0,a=[],u=n;u<o.samples.length;u++){var c=o.samples[u];if(c.sync&&c.dts-i>=o.timeScale*l)break;s+=c.size;var f=a.length-1;f<0||a[f].end!==c.offset?a.push({start:c.offset,end:c.offset+c.size}):a[f].end+=c.size}return o.currSample=u,{moof:r._generateMoof(e,n,u),ranges:a,length:s}},r.prototype._generateMoof=function(e,t,n){for(var r=this,o=r._tracks[e],i=[],s=t;s<n;s++){var a=o.samples[s];i.push({sampleDuration:a.duration,sampleSize:a.size,sampleFlags:a.sync?33554432:16842752,sampleCompositionTimeOffset:a.presentationOffset})}var u={type:"moof",mfhd:{sequenceNumber:r._fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:o.trackId},tfdt:{baseMediaDecodeTime:o.samples[t].dts},trun:{flags:3841,dataOffset:8,entries:i}}]};return u.trafs[0].trun.dataOffset+=f.encodingLength(u),u}}).call(this,e("buffer").Buffer)},{"binary-search":112,buffer:22,events:25,inherits:72,"mp4-box-encoding":115,"mp4-stream":119,"range-slice-stream":121}],112:[function(e,t,n){t.exports=function(e,t,n,r,o){var i,s;if(void 0===r)r=0;else if(r|=0,r<0||r>=e.length)throw new RangeError("invalid lower bound");if(void 0===o)o=e.length-1;else if(o|=0,o<r||o>=e.length)throw new RangeError("invalid upper bound");for(;r<=o;)if(i=r+(o-r>>1),s=+n(e[i],t,i,e),s<0)r=i+1;else{if(!(s>0))return i;o=i-1}return~r}},{}],113:[function(e,t,n){(function(t){function r(e,t,n){for(var r=t;r<n;r++)e[r]=0}function o(e,t,n){t.writeUInt32BE(Math.floor((e.getTime()+g)/1e3),n)}function 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t(n.ftyp.encodingLength(e));var i=e.compatibleBrands||[];r.write(e.brand,0,4,"ascii"),r.writeUInt32BE(e.brandVersion,4);for(var s=0;s<i.length;s++)r.write(i[s],8+4*s,4,"ascii");return n.ftyp.encode.bytes=8+4*i.length,r},n.ftyp.decode=function(e,t){e=e.slice(t);for(var n=e.toString("ascii",0,4),r=e.readUInt32BE(4),o=[],i=8;i<e.length;i+=4)o.push(e.toString("ascii",i,i+4));return{brand:n,brandVersion:r,compatibleBrands:o}},n.ftyp.encodingLength=function(e){return 8+4*(e.compatibleBrands||[]).length},n.mvhd={},n.mvhd.encode=function(e,u,c){return u=u?u.slice(c):new t(96),o(e.ctime||new Date,u,0),o(e.mtime||new Date,u,4),u.writeUInt32BE(e.timeScale||0,8),u.writeUInt32BE(e.duration||0,12),i(e.preferredRate||0,u,16),s(e.preferredVolume||0,u,20),r(u,22,32),a(e.matrix,u,32),u.writeUInt32BE(e.previewTime||0,68),u.writeUInt32BE(e.previewDuration||0,72),u.writeUInt32BE(e.posterTime||0,76),u.writeUInt32BE(e.selectionTime||0,80),u.writeUInt32BE(e.selectionDuration||0,84),u.writeUInt32BE(e.currentTime||0,88),u.writeUInt32BE(e.nextTrackId||0,92),n.mvhd.encode.bytes=96,u},n.mvhd.decode=function(e,t){return e=e.slice(t),{ctime:f(e,0),mtime:f(e,4),timeScale:e.readUInt32BE(8),duration:e.readUInt32BE(12),preferredRate:d(e,16),preferredVolume:l(e,20),matrix:c(e.slice(32,68)),previewTime:e.readUInt32BE(68),previewDuration:e.readUInt32BE(72),posterTime:e.readUInt32BE(76),selectionTime:e.readUInt32BE(80),selectionDuration:e.readUInt32BE(84),currentTime:e.readUInt32BE(88),nextTrackId:e.readUInt32BE(92)}},n.mvhd.encodingLength=function(e){return 96},n.tkhd={},n.tkhd.encode=function(e,i,s){return i=i?i.slice(s):new 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e=e.slice(t),{balance:e.readUInt16BE(0)}},n.smhd.encodingLength=function(e){return 4},n.stsd={},n.stsd.encode=function(e,r,o){r=r?r.slice(o):new t(n.stsd.encodingLength(e));var i=e.entries||[];r.writeUInt32BE(i.length,0);for(var s=4,a=0;a<i.length;a++){var u=i[a];p.encode(u,r,s),s+=p.encode.bytes}return n.stsd.encode.bytes=s,r},n.stsd.decode=function(e,t,n){e=e.slice(t);for(var r=e.readUInt32BE(0),o=new Array(r),i=4,s=0;s<r;s++){var a=p.decode(e,i,n);o[s]=a,i+=a.length}return{entries:o}},n.stsd.encodingLength=function(e){var t=4;if(!e.entries)return t;for(var n=0;n<e.entries.length;n++)t+=p.encodingLength(e.entries[n]);return t},n.avc1=n.VisualSampleEntry={},n.VisualSampleEntry.encode=function(e,o,i){o=o?o.slice(i):new 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r=n-t,o={dataReferenceIndex:e.readUInt16BE(6),channelCount:e.readUInt16BE(16),sampleSize:e.readUInt16BE(18),sampleRate:e.readUInt32BE(24),children:[]},i=28;r-i>=8;){var s=p.decode(e,i,r);o.children.push(s),o[s.type]=s,i+=s.length}return o},n.AudioSampleEntry.encodingLength=function(e){var t=28,n=e.children||[];return n.forEach(function(e){t+=p.encodingLength(e)}),t},n.esds={},n.esds.encode=function(e,r,o){r=r?r.slice(o):t(e.buffer.length),e.buffer.copy(r,0),n.esds.encode.bytes=e.buffer.length},n.esds.decode=function(e,n,r){e=e.slice(n,r);var o=m.Descriptor.decode(e,0,e.length),i="ESDescriptor"===o.tagName?o:{},s=i.DecoderConfigDescriptor||{},a=s.oti||0,u=s.DecoderSpecificInfo,c=u?(248&u.buffer.readUInt8(0))>>3:0,f=null;return a&&(f=a.toString(16),c&&(f+="."+c)),{mimeCodec:f,buffer:new t(e.slice(0))}},n.esds.encodingLength=function(e){return e.buffer.length},n.stsz={},n.stsz.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):t(n.stsz.encodingLength(e)),r.writeUInt32BE(0,0),r.writeUInt32BE(i.length,4);for(var s=0;s<i.length;s++)r.writeUInt32BE(i[s],4*s+8);return n.stsz.encode.bytes=8+4*i.length,r},n.stsz.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=e.readUInt32BE(4),o=new Array(r),i=0;i<r;i++)0===n?o[i]=e.readUInt32BE(4*i+8):o[i]=n;return{entries:o}},n.stsz.encodingLength=function(e){return 8+4*e.entries.length},n.stss=n.stco={},n.stco.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):new t(n.stco.encodingLength(e)),r.writeUInt32BE(i.length,0);for(var s=0;s<i.length;s++)r.writeUInt32BE(i[s],4*s+4);return n.stco.encode.bytes=4+4*i.length,r},n.stco.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++)r[o]=e.readUInt32BE(4*o+4);return{entries:r}},n.stco.encodingLength=function(e){return 4+4*e.entries.length},n.stts={},n.stts.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):new t(n.stts.encodingLength(e)),r.writeUInt32BE(i.length,0);for(var s=0;s<i.length;s++){var a=8*s+4;r.writeUInt32BE(i[s].count||0,a),r.writeUInt32BE(i[s].duration||0,a+4)}return n.stts.encode.bytes=4+8*e.entries.length,r},n.stts.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++){var i=8*o+4;r[o]={count:e.readUInt32BE(i),duration:e.readUInt32BE(i+4)}}return{entries:r}},n.stts.encodingLength=function(e){return 4+8*e.entries.length},n.ctts={},n.ctts.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):new t(n.ctts.encodingLength(e)),r.writeUInt32BE(i.length,0);for(var s=0;s<i.length;s++){var a=8*s+4;r.writeUInt32BE(i[s].count||0,a),r.writeUInt32BE(i[s].compositionOffset||0,a+4)}return n.ctts.encode.bytes=4+8*i.length,r},n.ctts.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++){var i=8*o+4;r[o]={count:e.readUInt32BE(i),compositionOffset:e.readInt32BE(i+4)}}return{entries:r}},n.ctts.encodingLength=function(e){return 4+8*e.entries.length},n.stsc={},n.stsc.encode=function(e,r,o){var i=e.entries||[];r=r?r.slice(o):new t(n.stsc.encodingLength(e)),r.writeUInt32BE(i.length,0);for(var s=0;s<i.length;s++){var a=12*s+4;r.writeUInt32BE(i[s].firstChunk||0,a),r.writeUInt32BE(i[s].samplesPerChunk||0,a+4),r.writeUInt32BE(i[s].sampleDescriptionId||0,a+8)}return n.stsc.encode.bytes=4+12*i.length,r},n.stsc.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++){var i=12*o+4;r[o]={firstChunk:e.readUInt32BE(i),samplesPerChunk:e.readUInt32BE(i+4),sampleDescriptionId:e.readUInt32BE(i+8)}}return{entries:r}},n.stsc.encodingLength=function(e){return 4+12*e.entries.length},n.dref={},n.dref.encode=function(e,r,o){r=r?r.slice(o):new t(n.dref.encodingLength(e));var i=e.entries||[];r.writeUInt32BE(i.length,0);for(var s=4,a=0;a<i.length;a++){var u=i[a],c=(u.buf?u.buf.length:0)+4+4;r.writeUInt32BE(c,s),s+=4,r.write(u.type,s,4,"ascii"),s+=4,u.buf&&(u.buf.copy(r,s),s+=u.buf.length)}return n.dref.encode.bytes=s,r},n.dref.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=4,i=0;i<n;i++){var s=e.readUInt32BE(o),a=e.toString("ascii",o+4,o+8),u=e.slice(o+8,o+s);o+=s,r[i]={type:a,buf:u}}return{entries:r}},n.dref.encodingLength=function(e){var t=4;if(!e.entries)return t;for(var n=0;n<e.entries.length;n++){var r=e.entries[n].buf;t+=(r?r.length:0)+4+4}return t},n.elst={},n.elst.encode=function(e,r,o){var s=e.entries||[];r=r?r.slice(o):new t(n.elst.encodingLength(e)),r.writeUInt32BE(s.length,0);for(var a=0;a<s.length;a++){var u=12*a+4;r.writeUInt32BE(s[a].trackDuration||0,u),r.writeUInt32BE(s[a].mediaTime||0,u+4),i(s[a].mediaRate||0,r,u+8)}return n.elst.encode.bytes=4+12*s.length,r},n.elst.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=new Array(n),o=0;o<n;o++){var i=12*o+4;r[o]={trackDuration:e.readUInt32BE(i),mediaTime:e.readInt32BE(i+4),mediaRate:d(e,i+8)}}return{entries:r}},n.elst.encodingLength=function(e){return 4+12*e.entries.length},n.hdlr={},n.hdlr.encode=function(e,r,o){r=r?r.slice(o):new t(n.hdlr.encodingLength(e));var i=21+(e.name||"").length;return r.fill(0,0,i),r.write(e.handlerType||"",4,4,"ascii"),u(e.name||"",r,20),n.hdlr.encode.bytes=i,r},n.hdlr.decode=function(e,t,n){return e=e.slice(t),{handlerType:e.toString("ascii",4,8),name:h(e,20,n)}},n.hdlr.encodingLength=function(e){return 21+(e.name||"").length},n.mehd={},n.mehd.encode=function(e,r,o){return r=r?r.slice(o):new t(4),r.writeUInt32BE(e.fragmentDuration||0,0),n.mehd.encode.bytes=4,r},n.mehd.decode=function(e,t){return e=e.slice(t),{fragmentDuration:e.readUInt32BE(0)}},n.mehd.encodingLength=function(e){return 4},n.trex={},n.trex.encode=function(e,r,o){return r=r?r.slice(o):new t(20),r.writeUInt32BE(e.trackId||0,0),r.writeUInt32BE(e.defaultSampleDescriptionIndex||0,4),r.writeUInt32BE(e.defaultSampleDuration||0,8),r.writeUInt32BE(e.defaultSampleSize||0,12),r.writeUInt32BE(e.defaultSampleFlags||0,16),n.trex.encode.bytes=20,r},n.trex.decode=function(e,t){return e=e.slice(t),{trackId:e.readUInt32BE(0),defaultSampleDescriptionIndex:e.readUInt32BE(4),defaultSampleDuration:e.readUInt32BE(8),defaultSampleSize:e.readUInt32BE(12),defaultSampleFlags:e.readUInt32BE(16)}},n.trex.encodingLength=function(e){return 20},n.mfhd={},n.mfhd.encode=function(e,r,o){return r=r?r.slice(o):new t(4),r.writeUInt32BE(e.sequenceNumber||0,0),n.mfhd.encode.bytes=4,r},n.mfhd.decode=function(e,t){return{sequenceNumber:e.readUint32BE(0)}},n.mfhd.encodingLength=function(e){return 4},n.tfhd={},n.tfhd.encode=function(e,r,o){return r=r?r.slice(o):new t(4),r.writeUInt32BE(e.trackId,0),n.tfhd.encode.bytes=4,r},n.tfhd.decode=function(e,t){},n.tfhd.encodingLength=function(e){return 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n=r.encode(e);i.isBuffer(t)&&(n=i.concat([n,t])),this._wire.extended("ut_metadata",n)},t.prototype._request=function(e){this._send({msg_type:0,piece:e})},t.prototype._data=function(e,t,n){var r={msg_type:1,piece:e};"number"==typeof n&&(r.total_size=n),this._send(r,t)},t.prototype._reject=function(e){this._send({msg_type:2,piece:e})},t.prototype._onRequest=function(e){if(!this._metadataComplete)return void this._reject(e);var t=e*l,n=t+l;n>this._metadataSize&&(n=this._metadataSize);var r=this.metadata.slice(t,n);this._data(e,r,this._metadataSize)},t.prototype._onData=function(e,t,n){t.length>l||(t.copy(this.metadata,e*l),this._bitfield.set(e),this._checkDone())},t.prototype._onReject=function(e){this._remainingRejects>0&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("warning",new Error('Peer sent "reject" too much'))},t.prototype._requestPieces=function(){this.metadata=i.alloc(this._metadataSize);for(var e=0;e<this._numPieces;e++)this._request(e)},t.prototype._checkDone=function(){for(var e=!0,t=0;t<this._numPieces;t++)if(!this._bitfield.get(t)){e=!1;break}if(e){var n=this.setMetadata(this.metadata);n||this._failedMetadata()}},t.prototype._failedMetadata=function(){this._bitfield=new o(0,{grow:d}),this._remainingRejects-=this._numPieces,this._remainingRejects>0?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))},t}},{bencode:154,bitfield:8,debug:66,events:25,inherits:72,"safe-buffer":125,"simple-sha1":132}],152:[function(e,t,n){arguments[4][10][0].apply(n,arguments)},{buffer:22,dup:10}],153:[function(e,t,n){arguments[4][11][0].apply(n,arguments)},{buffer:22,dup:11}],154:[function(e,t,n){arguments[4][12][0].apply(n,arguments)},{"./decode":152,"./encode":153,dup:12}],155:[function(e,t,n){function r(){for(var e={},t=0;t<arguments.length;t++){var n=arguments[t];for(var r in n)o.call(n,r)&&(e[r]=n[r])}return e}t.exports=r;var o=Object.prototype.hasOwnProperty},{}],156:[function(e,t,n){function r(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var r in n)o.call(n,r)&&(e[r]=n[r])}return e}t.exports=r;var o=Object.prototype.hasOwnProperty},{}],157:[function(e,t,n){t.exports=function e(t,n,r){return void 0===n?function(n,r){return e(t,n,r)}:(void 0===r&&(r="0"),t-=n.toString().length,t>0?new Array(t+(/\./.test(n)?2:1)).join(r)+n:n+"")}},{}],158:[function(e,t,n){t.exports={version:"0.98.6"}},{}],159:[function(e,t,n){(function(n,r){function o(e){function t(){i.destroyed||(i.ready=!0,i.emit("ready"))}var i=this;return i instanceof o?(l.call(i),e||(e={}),"string"==typeof e.peerId?i.peerId=e.peerId:a.isBuffer(e.peerId)?i.peerId=e.peerId.toString("hex"):i.peerId=a.from(A+b(9).toString("base64")).toString("hex"),i.peerIdBuffer=a.from(i.peerId,"hex"),"string"==typeof e.nodeId?i.nodeId=e.nodeId:a.isBuffer(e.nodeId)?i.nodeId=e.nodeId.toString("hex"):i.nodeId=b(20).toString("hex"),i.nodeIdBuffer=a.from(i.nodeId,"hex"),i._debugId=i.peerId.toString("hex").substring(0,7),i.destroyed=!1,i.listening=!1,i.torrentPort=e.torrentPort||0,i.dhtPort=e.dhtPort||0,i.tracker=void 0!==e.tracker?e.tracker:{},i.torrents=[],i.maxConns=Number(e.maxConns)||55,i.downloadLimit=Number(e.downloadLimit)||Number.MAX_VALUE,i.uploadLimit=Number(e.uploadLimit)||Number.MAX_VALUE,i._debug("new webtorrent (peerId %s, nodeId %s, port %s)",i.peerId,i.nodeId,i.torrentPort),i.tracker&&("object"!=typeof i.tracker&&(i.tracker={}),e.rtcConfig&&(console.warn("WebTorrent: opts.rtcConfig is deprecated. Use opts.tracker.rtcConfig instead"),i.tracker.rtcConfig=e.rtcConfig),e.wrtc&&(console.warn("WebTorrent: opts.wrtc is deprecated. Use opts.tracker.wrtc instead"),i.tracker.wrtc=e.wrtc),r.WRTC&&!i.tracker.wrtc&&(i.tracker.wrtc=r.WRTC)),i.throttleGroups={down:new E({rate:i.downloadLimit}),up:new E({rate:i.uploadLimit})},"function"==typeof x?i._tcpPool=new x(i):n.nextTick(function(){i._onListening()}),i._downloadSpeed=w(),i._uploadSpeed=w(),e.dht!==!1&&"function"==typeof d?(i.dht=new d(h({nodeId:i.nodeId},e.dht)),i.dht.once("error",function(e){i._destroy(e)}),i.dht.once("listening",function(){var e=i.dht.address();e&&(i.dhtPort=e.port)}),i.dht.setMaxListeners(0),i.dht.listen(i.dhtPort)):i.dht=!1,i.enableWebSeeds=e.webSeeds!==!1,void("function"==typeof m&&null!=e.blocklist?m(e.blocklist,{headers:{"user-agent":"WebTorrent/"+B+" (https://webtorrent.io)"}},function(e,n){return e?i.error("Failed to load blocklist: "+e.message):(i.blocked=n,void t())}):n.nextTick(t))):new o(e)}function i(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}function s(e){return"undefined"!=typeof FileList&&e instanceof FileList}t.exports=o;var a=e("safe-buffer").Buffer,u=e("simple-concat"),c=e("create-torrent"),f=e("debug")("webtorrent"),d=e("bittorrent-dht/client"),l=e("events").EventEmitter,h=e("xtend"),p=e("inherits"),m=e("load-ip-set"),g=e("run-parallel"),y=e("parse-torrent"),_=e("path"),v=e("simple-peer"),b=e("randombytes"),w=e("speedometer"),k=e("zero-fill"),E=e("stream-throttle").ThrottleGroup,x=e("./lib/tcp-pool"),S=e("./lib/torrent"),B=e("./package.json").version,I=B.match(/([0-9]+)/g).slice(0,2).map(function(e){return k(2,e)}).join(""),A="-WW"+I+"-";p(o,l),o.WEBRTC_SUPPORT=v.WEBRTC_SUPPORT,Object.defineProperty(o.prototype,"downloadSpeed",{get:function(){return this._downloadSpeed()}}),Object.defineProperty(o.prototype,"uploadSpeed",{get:function(){return this._uploadSpeed()}}),Object.defineProperty(o.prototype,"progress",{get:function(){var e=this.torrents.filter(function(e){return 1!==e.progress}),t=e.reduce(function(e,t){return e+t.downloaded},0),n=e.reduce(function(e,t){return e+(t.length||0)},0)||1;return t/n}}),Object.defineProperty(o.prototype,"ratio",{get:function(){var e=this.torrents.reduce(function(e,t){return e+t.uploaded},0),t=this.torrents.reduce(function(e,t){return e+t.received},0)||1;return e/t}}),o.prototype.get=function(e){var t,n,r=this,o=r.torrents.length;if(e instanceof S){for(t=0;t<o;t++)if(n=r.torrents[t],n===e)return n}else{var i;try{i=y(e)}catch(e){}if(!i)return null;if(!i.infoHash)throw new Error("Invalid torrent identifier");for(t=0;t<o;t++)if(n=r.torrents[t],n.infoHash===i.infoHash)return n}return null},o.prototype.download=function(e,t,n){return console.warn("WebTorrent: client.download() is deprecated. Use client.add() instead"),this.add(e,t,n)},o.prototype.add=function(e,t,n){function r(){if(!s.destroyed)for(var e=0,t=s.torrents.length;e<t;e++){var n=s.torrents[e];if(n.infoHash===a.infoHash&&n!==a)return void a._destroy(new Error("Cannot add duplicate torrent "+a.infoHash))}}function o(){s.destroyed||("function"==typeof n&&n(a),s.emit("torrent",a))}function i(){a.removeListener("_infoHash",r),a.removeListener("ready",o),a.removeListener("close",i)}var s=this;if(s.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return s.add(e,null,t);s._debug("add"),t=t?h(t):{};var a=new S(e,s,t);return s.torrents.push(a),a.once("_infoHash",r),a.once("ready",o),a.once("close",i),a},o.prototype.seed=function(e,t,n){function r(e){var t=[function(t){e.load(f,t)}];a.dht&&t.push(function(t){e.once("dhtAnnounce",t)}),g(t,function(t){if(!a.destroyed)return t?e._destroy(t):void o(e)})}function o(e){a._debug("on seed"),"function"==typeof n&&n(e),e.emit("seed"),a.emit("seed",e)}var a=this;if(a.destroyed)throw new Error("client is destroyed");if("function"==typeof t)return a.seed(e,null,t);a._debug("seed"),t=t?h(t):{},"string"==typeof e&&(t.path=_.dirname(e)),t.createdBy||(t.createdBy="WebTorrent/"+I);var f,d=a.add(null,t,r);return s(e)&&(e=Array.prototype.slice.call(e)),Array.isArray(e)||(e=[e]),g(e.map(function(e){return function(t){i(e)?u(e,t):t(null,e)}}),function(e,n){if(!a.destroyed)return e?d._destroy(e):void c.parseInput(n,t,function(e,r){if(!a.destroyed){if(e)return d._destroy(e);f=r.map(function(e){return e.getStream}),c(n,t,function(e,t){if(!a.destroyed){if(e)return d._destroy(e);var n=a.get(t);n?d._destroy(new Error("Cannot add duplicate torrent "+n.infoHash)):d._onTorrentId(t)}})}})}),d},o.prototype.remove=function(e,t){this._debug("remove");var n=this.get(e);if(!n)throw new Error("No torrent with id "+e);this._remove(e,t)},o.prototype._remove=function(e,t){var n=this.get(e);n&&(this.torrents.splice(this.torrents.indexOf(n),1),n.destroy(t))},o.prototype.address=function(){return this.listening?this._tcpPool?this._tcpPool.server.address():{address:"0.0.0.0",family:"IPv4",port:0}:null},o.prototype.destroy=function(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)},o.prototype._destroy=function(e,t){var n=this;n._debug("client destroy"),n.destroyed=!0;var r=n.torrents.map(function(e){return function(t){e.destroy(t)}});n._tcpPool&&r.push(function(e){n._tcpPool.destroy(e)}),n.dht&&r.push(function(e){n.dht.destroy(e)}),g(r,t),e&&n.emit("error",e),n.torrents=[],n._tcpPool=null,n.dht=null},o.prototype._onListening=function(){if(this._debug("listening"),this.listening=!0,this._tcpPool){var e=this._tcpPool.server.address();e&&(this.torrentPort=e.port)}this.emit("listening")},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._debugId+"] "+e[0],f.apply(null,e)},o.prototype.throttleDownload=function(e){!Number(e)||Number(e)<0||(this.throttleGroups.down.bucket.bucketSize=e,this.throttleGroups.down.bucket.tokensPerInterval=e)},o.prototype.throttleUpload=function(e){!Number(e)||Number(e)<0||(this.throttleGroups.up.bucket.bucketSize=e,this.throttleGroups.up.bucket.tokensPerInterval=e)}}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./lib/tcp-pool":21,"./lib/torrent":5,"./package.json":158,_process:29,"bittorrent-dht/client":21,"create-torrent":49,debug:66,events:25,inherits:72,"load-ip-set":21,"parse-torrent":75,path:28,randombytes:88,"run-parallel":124,"safe-buffer":125,"simple-concat":126,"simple-peer":130,speedometer:134,"stream-throttle":135,xtend:155,"zero-fill":157}]},{},[159])(159)});
+