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transceiver"),r.addTransceiver(n.transceiverRequest.kind,n.transceiverRequest.init)),n.candidate&&(r._pc.localDescription&&r._pc.localDescription.type&&r._pc.remoteDescription&&r._pc.remoteDescription.type?r._addIceCandidate(n.candidate):r._pendingCandidates.push(n.candidate)),n.sdp&&r._pc.setRemoteDescription(new r._wrtc.RTCSessionDescription(n)).then(function(){r.destroyed||(r._pendingCandidates.forEach(function(t){r._addIceCandidate(t)}),r._pendingCandidates=[],"offer"===r._pc.remoteDescription.type&&r._createAnswer())}).catch(function(t){r.destroy(d(t,"ERR_SET_REMOTE_DESCRIPTION"))}),n.sdp||n.candidate||n.renegotiate||n.transceiverRequest||r.destroy(d("signal() called with invalid signal data","ERR_SIGNALING"))},n.prototype._addIceCandidate=function(r){var o=this,t=new o._wrtc.RTCIceCandidate(r);o._pc.addIceCandidate(t).catch(function(n){!t.address||t.address.endsWith(".local")?("Ignoring unsupported ICE candidate.",console.warn("Ignoring unsupported ICE 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You should enable/disable tracks that you want to re-add.","ERR_SENDER_REMOVED")):this.destroy(d("Track has already been added to that stream.","ERR_SENDER_ALREADY_ADDED")):(n=this._pc.addTrack(o,e),t.set(e,n),this._senderMap.set(o,t),this._needsNegotiation())},n.prototype.replaceTrack=function(o,e,t){this._debug("replaceTrack()");var n=this._senderMap.get(o),r=n?n.get(t):null;r||this.destroy(d("Cannot replace track that was never added.","ERR_TRACK_NOT_ADDED")),e&&this._senderMap.set(e,n),null==r.replaceTrack?this.destroy(d("replaceTrack is not supported in this browser","ERR_UNSUPPORTED_REPLACETRACK")):r.replaceTrack(e)},n.prototype.removeTrack=function(o,e){this._debug("removeSender()");var t=this._senderMap.get(o),n=t?t.get(e):null;n||this.destroy(d("Cannot remove track that was never added.","ERR_TRACK_NOT_ADDED"));try{n.removed=!0,this._pc.removeTrack(n)}catch(e){"NS_ERROR_UNEXPECTED"===e.name?this._sendersAwaitingStable.push(n):this.destroy(e)}this._needsNegotiation()},n.prototype.removeStream=function(r){var e=this;e._debug("removeSenders()"),r.getTracks().forEach(function(t){e.removeTrack(t,r)})},n.prototype._needsNegotiation=function(){var t=this;t._debug("_needsNegotiation"),t._batchedNegotiation||(t._batchedNegotiation=!0,setTimeout(function(){t._batchedNegotiation=!1,t._debug("starting batched negotiation"),t.negotiate()},0))},n.prototype.negotiate=function(){var t=this;t.initiator?t._isNegotiating?(t._queuedNegotiation=!0,t._debug("already negotiating, queueing")):(t._debug("start negotiation"),setTimeout(()=>{t._createOffer()},0)):t._isNegotiating||(t._debug("requesting negotiation from initiator"),t.emit("signal",{renegotiate:!0})),t._isNegotiating=!0},n.prototype.destroy=function(t){this._destroy(t,function(){})},n.prototype._destroy=function(n,e){if(!this.destroyed){if(this._debug("destroy (error: %s)",n&&(n.message||n)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this.destroyed=!0,this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch(t){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(t){}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,n&&this.emit("error",n),this.emit("close"),e()}},n.prototype._setupData=function(r){var o=this;if(!r.channel)return o.destroy(d("Data channel event is missing `channel` property","ERR_DATA_CHANNEL"));o._channel=r.channel,o._channel.binaryType="arraybuffer","number"==typeof o._channel.bufferedAmountLowThreshold&&(o._channel.bufferedAmountLowThreshold=65536),o.channelName=o._channel.label,o._channel.onmessage=function(t){o._onChannelMessage(t)},o._channel.onbufferedamountlow=function(){o._onChannelBufferedAmountLow()},o._channel.onopen=function(){o._onChannelOpen()},o._channel.onclose=function(){o._onChannelClose()},o._channel.onerror=function(t){o.destroy(d(t,"ERR_DATA_CHANNEL"))};var e=!1;o._closingInterval=setInterval(function(){o._channel&&"closing"===o._channel.readyState?(e&&o._onChannelClose(),e=!0):e=!1},5e3)},n.prototype._read=function(){},n.prototype._write=function(r,e,t){if(this.destroyed)return t(d("cannot write after peer is destroyed","ERR_DATA_CHANNEL"));if(this._connected){try{this.send(r)}catch(e){return this.destroy(d(e,"ERR_DATA_CHANNEL"))}65536<this._channel.bufferedAmount?(this._debug("start backpressure: bufferedAmount %d",this._channel.bufferedAmount),this._cb=t):t(null)}else this._debug("write before connect"),this._chunk=r,this._cb=t},n.prototype._onFinish=function(){function n(){setTimeout(function(){t.destroy()},1e3)}var t=this;t.destroyed||(t._connected?n():t.once("connect",n))},n.prototype._startIceCompleteTimeout=function(){var t=this;t.destroyed||t._iceCompleteTimer||(t._debug("started iceComplete timeout"),t._iceCompleteTimer=setTimeout(function(){t._iceComplete||(t._iceComplete=!0,t._debug("iceComplete timeout completed"),t.emit("iceTimeout"),t.emit("_iceComplete"))},t.iceCompleteTimeout))},n.prototype._createOffer=function(){var o=this;o.destroyed||o._pc.createOffer(o.offerOptions).then(function(e){function t(){if(!o.destroyed){var t=o._pc.localDescription||e;o._debug("signal"),o.emit("signal",{type:t.type,sdp:t.sdp})}}o.destroyed||(o.trickle||o.allowHalfTrickle||(e.sdp=r(e.sdp)),e.sdp=o.sdpTransform(e.sdp),o._pc.setLocalDescription(e).then(function(){o._debug("createOffer success"),o.destroyed||(o.trickle||o._iceComplete?t():o.once("_iceComplete",t))}).catch(function(e){o.destroy(d(e,"ERR_SET_LOCAL_DESCRIPTION"))}))}).catch(function(e){o.destroy(d(e,"ERR_CREATE_OFFER"))})},n.prototype._requestMissingTransceivers=function(){var n=this;n._pc.getTransceivers&&n._pc.getTransceivers().forEach(e=>{e.mid||!e.sender.track||e.requested||(e.requested=!0,n.addTransceiver(e.sender.track.kind))})},n.prototype._createAnswer=function(){var o=this;o.destroyed||o._pc.createAnswer(o.answerOptions).then(function(e){function t(){if(!o.destroyed){var t=o._pc.localDescription||e;o._debug("signal"),o.emit("signal",{type:t.type,sdp:t.sdp}),o.initiator||o._requestMissingTransceivers()}}o.destroyed||(o.trickle||o.allowHalfTrickle||(e.sdp=r(e.sdp)),e.sdp=o.sdpTransform(e.sdp),o._pc.setLocalDescription(e).then(function(){o.destroyed||(o.trickle||o._iceComplete?t():o.once("_iceComplete",t))}).catch(function(e){o.destroy(d(e,"ERR_SET_LOCAL_DESCRIPTION"))}))}).catch(function(e){o.destroy(d(e,"ERR_CREATE_ANSWER"))})},n.prototype._onIceStateChange=function(){if(!this.destroyed){var n=this._pc.iceConnectionState,e=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",n,e),this.emit("iceStateChange",n,e),"connected"!==n&&"completed"!==n||(this._pcReady=!0,this._maybeReady()),"failed"===n&&this.destroy(d("Ice connection failed.","ERR_ICE_CONNECTION_FAILURE")),"closed"===n&&this.destroy(d("Ice connection closed.","ERR_ICE_CONNECTION_CLOSED"))}},n.prototype.getStats=function(o){function d(n){return"[object Array]"===Object.prototype.toString.call(n.values)&&n.values.forEach(function(e){Object.assign(n,e)}),n}var e=this;0===e._pc.getStats.length?e._pc.getStats().then(function(e){var t=[];e.forEach(function(n){t.push(d(n))}),o(null,t)},function(e){o(e)}):e._isReactNativeWebrtc?e._pc.getStats(null,function(e){var t=[];e.forEach(function(n){t.push(d(n))}),o(null,t)},function(e){o(e)}):0<e._pc.getStats.length?e._pc.getStats(function(t){if(!e.destroyed){var n=[];t.result().forEach(function(r){var e={};r.names().forEach(function(t){e[t]=r.stat(t)}),e.id=r.id,e.type=r.type,e.timestamp=r.timestamp,n.push(d(e))}),o(null,n)}},function(e){o(e)}):o(null,[])},n.prototype._maybeReady=function(){var s=this;s._debug("maybeReady pc %s channel %s",s._pcReady,s._channelReady),!s._connected&&!s._connecting&&s._pcReady&&s._channelReady&&(s._connecting=!0,function e(){s.destroyed||s.getStats(function(t,n){function l(e){a=!0;var t=i[e.localCandidateId];t&&(t.ip||t.address)?(s.localAddress=t.ip||t.address,s.localPort=+t.port):t&&t.ipAddress?(s.localAddress=t.ipAddress,s.localPort=+t.portNumber):"string"==typeof e.googLocalAddress&&(t=e.googLocalAddress.split(":"),s.localAddress=t[0],s.localPort=+t[1]),s.localAddress&&(s.localFamily=s.localAddress.includes(":")?"IPv6":"IPv4");var o=u[e.remoteCandidateId];o&&(o.ip||o.address)?(s.remoteAddress=o.ip||o.address,s.remotePort=+o.port):o&&o.ipAddress?(s.remoteAddress=o.ipAddress,s.remotePort=+o.portNumber):"string"==typeof e.googRemoteAddress&&(o=e.googRemoteAddress.split(":"),s.remoteAddress=o[0],s.remotePort=+o[1]),s.remoteAddress&&(s.remoteFamily=s.remoteAddress.includes(":")?"IPv6":"IPv4"),s._debug("connect local: %s:%s remote: %s:%s",s.localAddress,s.localPort,s.remoteAddress,s.remotePort)}if(!s.destroyed){t&&(n=[]);var u={},i={},o={},a=!1;if(n.forEach(function(t){"remotecandidate"!==t.type&&"remote-candidate"!==t.type||(u[t.id]=t),"localcandidate"!==t.type&&"local-candidate"!==t.type||(i[t.id]=t),"candidatepair"!==t.type&&"candidate-pair"!==t.type||(o[t.id]=t)}),n.forEach(function(t){"transport"===t.type&&t.selectedCandidatePairId&&l(o[t.selectedCandidatePairId]),("googCandidatePair"===t.type&&"true"===t.googActiveConnection||("candidatepair"===t.type||"candidate-pair"===t.type)&&t.selected)&&l(t)}),a||Object.keys(o).length&&!Object.keys(i).length){if(s._connecting=!1,s._connected=!0,s._chunk){try{s.send(s._chunk)}catch(e){return s.destroy(d(e,"ERR_DATA_CHANNEL"))}s._chunk=null,s._debug("sent chunk from \"write before connect\"");var f=s._cb;s._cb=null,f(null)}"number"!=typeof s._channel.bufferedAmountLowThreshold&&(s._interval=setInterval(function(){s._onInterval()},150),s._interval.unref&&s._interval.unref()),s._debug("connect"),s.emit("connect")}else setTimeout(e,100)}})}())},n.prototype._onInterval=function(){this._cb&&this._channel&&!(65536<this._channel.bufferedAmount)&&this._onChannelBufferedAmountLow()},n.prototype._onSignalingStateChange=function(){var n=this;n.destroyed||("stable"!==n._pc.signalingState||n._firstStable||(n._isNegotiating=!1,n._debug("flushing sender queue",n._sendersAwaitingStable),n._sendersAwaitingStable.forEach(function(e){n._pc.removeTrack(e),n._queuedNegotiation=!0}),n._sendersAwaitingStable=[],n._queuedNegotiation&&(n._debug("flushing negotiation queue"),n._queuedNegotiation=!1,n._needsNegotiation()),n._debug("negotiate"),n.emit("negotiate")),n._firstStable=!1,n._debug("signalingStateChange %s",n._pc.signalingState),n.emit("signalingStateChange",n._pc.signalingState))},n.prototype._onIceCandidate=function(t){this.destroyed||(t.candidate&&this.trickle?this.emit("signal",{candidate:{candidate:t.candidate.candidate,sdpMLineIndex:t.candidate.sdpMLineIndex,sdpMid:t.candidate.sdpMid}}):t.candidate||this._iceComplete||(this._iceComplete=!0,this.emit("_iceComplete")),t.candidate&&this._startIceCompleteTimeout())},n.prototype._onChannelMessage=function(e){if(!this.destroyed){var t=e.data;t instanceof ArrayBuffer&&(t=o.from(t)),this.push(t)}},n.prototype._onChannelBufferedAmountLow=function(){if(!this.destroyed&&this._cb){this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);var t=this._cb;this._cb=null,t(null)}},n.prototype._onChannelOpen=function(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())},n.prototype._onChannelClose=function(){this.destroyed||(this._debug("on channel close"),this.destroy())},n.prototype._onTrack=function(r){var e=this;e.destroyed||r.streams.forEach(function(t){e._debug("on track"),e.emit("track",r.track,t),e._remoteTracks.push({track:r.track,stream:t}),e._remoteStreams.some(function(n){return n.id===t.id})||(e._remoteStreams.push(t),setTimeout(function(){e.emit("stream",t)},0))})},n.prototype._debug=function(){var t=[].slice.call(arguments);t[0]="["+this._id+"] "+t[0],a.apply(null,t)}}).call(this,p({}).Buffer);var nd,rd=1,od=function(){rd=65535&rd+1},gr=function(o){nd||(nd=setInterval(od,250)).unref&&nd.unref();var d=4*(o||5),t=[0],n=1,l=65535&rd-1;return function(r){var e=65535&rd-l;for(e>d&&(e=d),l=rd;e--;)n==d&&(n=0),t[n]=t[0==n?d-1:n-1],n++;r&&(t[n-1]+=r);var i=t[n-1],o=t.length<d?0:t[n==d?0:n];return 4>t.length?i:4*(i-o)/t.length}},mr={};const dd=/^\[?([^\]]+)\]?:(\d+)$/;let yr={},ad=0;(mr=function(n){if(1e5==ad&&mr.reset(),!yr[n]){const e=dd.exec(n);if(!e)throw new Error(`invalid addr: ${n}`);yr[n]=[e[1],+e[2]],ad+=1}return yr[n]}).reset=function(){yr={},ad=0};var id={exports:{}};id.exports=class{constructor(r=0,e){const t=null!=e&&e.grow;this.grow=t&&isFinite(t)&&Dn(t)||t||0,this.buffer="number"==typeof r?new Uint8Array(Dn(r)):r}get(n){const e=n>>3;return e<this.buffer.length&&!!(this.buffer[e]&128>>n%8)}set(r,e=!0){const t=r>>3;if(e){if(this.buffer.length<t+1){const n=to(t+1,ao(2*this.buffer.length,this.grow));if(n<=this.grow){const e=new Uint8Array(n);e.set(this.buffer),this.buffer=e}}this.buffer[t]|=128>>r%8}else t<this.buffer.length&&(this.buffer[t]&=~(128>>r%8))}},id=id.exports;var sd=class extends st.Writable{constructor(o,e,d={}){if(super(d),!o||!o.put||!o.get)throw new Error("First argument must be an abstract-chunk-store compliant store");if(!(e=+e))throw new Error("Second argument must be a chunk length");this._blockstream=new Io(e,{zeroPadding:!1}),this._outstandingPuts=0;let n=0;this._blockstream.on("data",e=>{this.destroyed||(this._outstandingPuts+=1,o.put(n,e,()=>{this._outstandingPuts-=1,0===this._outstandingPuts&&"function"==typeof this._finalCb&&(this._finalCb(null),this._finalCb=null)}),n+=1)}).on("error",t=>{this.destroy(t)})}_write(r,e,t){this._blockstream.write(r,e,t)}_final(t){this._blockstream.end(),this._blockstream.once("end",()=>{0===this._outstandingPuts?t(null):this._finalCb=t})}destroy(t){this.destroyed||(this.destroyed=!0,t&&this.emit("error",t),this.emit("close"))}},kr={};(function(n){kr.DEFAULT_ANNOUNCE_PEERS=50,kr.binaryToHex=function(e){return"string"!=typeof e&&(e=e+""),n.from(e,"binary").toString("hex")},kr.hexToBinary=function(e){return"string"!=typeof e&&(e=e+""),n.from(e,"hex").toString("binary")},Object.assign(kr,oe)}).call(this,p({}).Buffer);var Sr={};(function(o,d){const t=jo("simple-websocket"),e=WebSocket,r=65536;class n extends st.Duplex{constructor(n={}){if("string"==typeof n&&(n={url:n}),super(n=Object.assign({allowHalfOpen:!1},n)),null==n.url&&null==n.socket)throw new Error("Missing required `url` or `socket` option");if(null!=n.url&&null!=n.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=ur(4).toString("hex").slice(0,7),this._debug("new websocket: %o",n),this.connected=!1,this.destroyed=!1,this._chunk=null,this._cb=null,this._interval=null,n.socket)this.url=n.socket.url,this._ws=n.socket;else{this.url=n.url;try{this._ws=new e(n.url)}catch(e){return void o.nextTick(()=>this.destroy(e))}}this._ws.binaryType="arraybuffer",this._ws.onopen=()=>{this._onOpen()},this._ws.onmessage=t=>{this._onMessage(t)},this._ws.onclose=()=>{this._onClose()},this._ws.onerror=()=>{this.destroy(new Error("connection error to "+this.url))},this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}send(t){this._ws.send(t)}destroy(t){this._destroy(t,()=>{})}_destroy(n,r){if(!this.destroyed){if(this._debug("destroy (error: %s)",n&&(n.message||n)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this.connected=!1,this.destroyed=!0,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._ws){const r=this._ws,t=()=>{r.onclose=null};if(r.readyState===e.CLOSED)t();else try{r.onclose=t,r.close()}catch(n){t()}r.onopen=null,r.onmessage=null,r.onerror=()=>{}}if(this._ws=null,n){if("undefined"!=typeof DOMException&&n instanceof DOMException){const e=n.code;(n=new Error(n.message)).code=e}this.emit("error",n)}this.emit("close"),r()}}_read(){}_write(o,e,t){if(this.destroyed)return t(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(o)}catch(e){return this.destroy(e)}this._ws.bufferedAmount>r?(this._debug("start backpressure: bufferedAmount %d",this._ws.bufferedAmount),this._cb=t):t(null)}else this._debug("write before connect"),this._chunk=o,this._cb=t}_onFinish(){if(!this.destroyed){const t=()=>{setTimeout(()=>this.destroy(),1e3)};this.connected?t():this.once("connect",t)}}_onMessage(t){if(this.destroyed)return;let e=t.data;e instanceof ArrayBuffer&&(e=d.from(e)),this.push(e)}_onOpen(){if(!this.connected&&!this.destroyed){if(this.connected=!0,this._chunk){try{this.send(this._chunk)}catch(e){return this.destroy(e)}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const t=this._cb;this._cb=null,t(null)}this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref(),this._debug("connect"),this.emit("connect")}}_onInterval(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>r)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);const t=this._cb;this._cb=null,t(null)}}_onClose(){this.destroyed||(this._debug("on close"),this.destroy())}_debug(){const n=[].slice.call(arguments);n[0]="["+this._id+"] "+n[0],t.apply(null,n)}}n.WEBSOCKET_SUPPORT=!!e,Sr=n}).call(this,pe,p({}).Buffer);var ld=class extends m{constructor(n,e){super(),this.client=n,this.announceUrl=e,this.interval=null,this.destroyed=!1}setInterval(t){null==t&&(t=this.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(this.interval),t&&(this.interval=setInterval(()=>{this.announce(this.client._defaultAnnounceOpts())},t),this.interval.unref&&this.interval.unref())}},xr={};const cd=jo("bittorrent-tracker:websocket-tracker"),Ar={};class Ir extends ld{constructor(r,e,t){super(r,e),cd("new websocket tracker %s",e),this.peers={},this.socket=null,this.reconnecting=!1,this.retries=0,this.reconnectTimer=null,this.expectingResponse=!1,this._openSocket()}announce(r){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",()=>{this.announce(r)});const o=Object.assign({},r,{action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary});if(this._trackerId&&(o.trackerid=this._trackerId),"stopped"===r.event||"completed"===r.event)this._send(o);else{const t=ao(r.numwant,10);this._generateOffers(t,n=>{o.numwant=t,o.offers=n,this._send(o)})}}scrape(n){if(!(this.destroyed||this.reconnecting)){if(!this.socket.connected)return void this.socket.once("connect",()=>{this.scrape(n)});const e={action:"scrape",info_hash:Array.isArray(n.infoHash)&&0<n.infoHash.length?n.infoHash.map(t=>t.toString("binary")):n.infoHash&&n.infoHash.toString("binary")||this.client._infoHashBinary};this._send(e)}}destroy(o=Zn){function e(){d&&(clearTimeout(d),d=null),r.removeListener("data",e),r.destroy(),r=null}if(this.destroyed)return o(null);for(const t in this.destroyed=!0,clearInterval(this.interval),clearTimeout(this.reconnectTimer),this.peers){const n=this.peers[t];clearTimeout(n.trackerTimeout),n.destroy()}if(this.peers=null,this.socket&&(this.socket.removeListener("connect",this._onSocketConnectBound),this.socket.removeListener("data",this._onSocketDataBound),this.socket.removeListener("close",this._onSocketCloseBound),this.socket.removeListener("error",this._onSocketErrorBound),this.socket=null),this._onSocketConnectBound=null,this._onSocketErrorBound=null,this._onSocketDataBound=null,this._onSocketCloseBound=null,Ar[this.announceUrl]&&(Ar[this.announceUrl].consumers-=1),0<Ar[this.announceUrl].consumers)return o();let r=Ar[this.announceUrl];if(delete Ar[this.announceUrl],r.on("error",Zn),r.once("close",o),!this.expectingResponse)return e();var d=setTimeout(e,kr.DESTROY_TIMEOUT);r.once("data",e)}_openSocket(){this.destroyed=!1,this.peers||(this.peers={}),this._onSocketConnectBound=()=>{this._onSocketConnect()},this._onSocketErrorBound=t=>{this._onSocketError(t)},this._onSocketDataBound=t=>{this._onSocketData(t)},this._onSocketCloseBound=()=>{this._onSocketClose()},this.socket=Ar[this.announceUrl],this.socket?Ar[this.announceUrl].consumers+=1:(this.socket=Ar[this.announceUrl]=new Sr(this.announceUrl),this.socket.consumers=1,this.socket.once("connect",this._onSocketConnectBound)),this.socket.on("data",this._onSocketDataBound),this.socket.once("close",this._onSocketCloseBound),this.socket.once("error",this._onSocketErrorBound)}_onSocketConnect(){this.destroyed||this.reconnecting&&(this.reconnecting=!1,this.retries=0,this.announce(this.client._defaultAnnounceOpts()))}_onSocketData(t){if(!this.destroyed){this.expectingResponse=!1;try{t=JSON.parse(t)}catch(e){return void this.client.emit("warning",new Error("Invalid tracker response"))}"announce"===t.action?this._onAnnounceResponse(t):"scrape"===t.action?this._onScrapeResponse(t):this._onSocketError(new Error(`invalid action in WS response: ${t.action}`))}}_onAnnounceResponse(o){if(o.info_hash!==this.client._infoHashBinary)return void cd("ignoring websocket data from %s for %s (looking for %s: reused socket)",this.announceUrl,kr.binaryToHex(o.info_hash),this.client.infoHash);if(o.peer_id&&o.peer_id===this.client._peerIdBinary)return;cd("received %s from %s for %s",JSON.stringify(o),this.announceUrl,this.client.infoHash);const e=o["failure reason"];if(e)return this.client.emit("warning",new Error(e));const t=o["warning message"];t&&this.client.emit("warning",new Error(t));const n=o.interval||o["min interval"];n&&this.setInterval(1e3*n);const r=o["tracker id"];if(r&&(this._trackerId=r),null!=o.complete){const e=Object.assign({},o,{announce:this.announceUrl,infoHash:kr.binaryToHex(o.info_hash)});this.client.emit("update",e)}let d;if(o.offer&&o.peer_id&&(cd("creating peer (from remote offer)"),(d=this._createPeer()).id=kr.binaryToHex(o.peer_id),d.once("signal",e=>{const t={action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary,to_peer_id:o.peer_id,answer:e,offer_id:o.offer_id};this._trackerId&&(t.trackerid=this._trackerId),this._send(t)}),d.signal(o.offer),this.client.emit("peer",d)),o.answer&&o.peer_id){const e=kr.binaryToHex(o.offer_id);(d=this.peers[e])?(d.id=kr.binaryToHex(o.peer_id),d.signal(o.answer),this.client.emit("peer",d),clearTimeout(d.trackerTimeout),d.trackerTimeout=null,delete this.peers[e]):cd(`got unexpected answer: ${JSON.stringify(o.answer)}`)}}_onScrapeResponse(r){r=r.files||{};const n=Object.keys(r);0===n.length?this.client.emit("warning",new Error("invalid scrape response")):n.forEach(e=>{const t=Object.assign(r[e],{announce:this.announceUrl,infoHash:kr.binaryToHex(e)});this.client.emit("scrape",t)})}_onSocketClose(){this.destroyed||(this.destroy(),this._startReconnectTimer())}_onSocketError(t){this.destroyed||(this.destroy(),this.client.emit("warning",t),this._startReconnectTimer())}_startReconnectTimer(){const t=io(Math.random()*12e4)+ao(no(2,this.retries)*1e4,18e5);this.reconnecting=!0,clearTimeout(this.reconnectTimer),this.reconnectTimer=setTimeout(()=>{this.retries++,this._openSocket()},t),this.reconnectTimer.unref&&this.reconnectTimer.unref(),cd("reconnecting socket in %s ms",t)}_send(n){if(!this.destroyed){this.expectingResponse=!0;const e=JSON.stringify(n);cd("send %s",e),this.socket.send(e)}}_generateOffers(d,e){function t(){const r=ur(20).toString("hex");cd("creating peer (from _generateOffers)");const e=a.peers[r]=a._createPeer({initiator:!0});e.once("signal",e=>{n.push({offer:e,offer_id:kr.hexToBinary(r)}),o()}),e.trackerTimeout=setTimeout(()=>{cd("tracker timeout: destroying peer"),e.trackerTimeout=null,delete a.peers[r],e.destroy()},5e4),e.trackerTimeout.unref&&e.trackerTimeout.unref()}function o(){n.length===d&&(cd("generated %s offers",d),e(n))}const a=this,n=[];cd("generating %s offers",d);for(let n=0;n<d;++n)t();o()}_createPeer(o){function d(n){r.client.emit("warning",new Error(`Connection error: ${n.message}`)),t.destroy()}const r=this;o=Object.assign({trickle:!1,config:r.client._rtcConfig,wrtc:r.client._wrtc},o);const t=new td(o);return t.once("error",d),t.once("connect",function n(){t.removeListener("error",d),t.removeListener("connect",n)}),t}}Ir.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,Ir._socketPool=Ar,xr=Ir;var Or={};(function(d,l){const a=jo("bittorrent-tracker:client");class t extends m{constructor(e={}){if(super(),!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(!d.browser&&!e.port)throw new Error("Option `port` is required");this.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),this._peerIdBuffer=l.from(this.peerId,"hex"),this._peerIdBinary=this._peerIdBuffer.toString("binary"),this.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():e.infoHash.toString("hex"),this._infoHashBuffer=l.from(this.infoHash,"hex"),this._infoHashBinary=this._infoHashBuffer.toString("binary"),a("new client %s",this.infoHash),this.destroyed=!1,this._port=e.port,this._getAnnounceOpts=e.getAnnounceOpts,this._rtcConfig=e.rtcConfig,this._userAgent=e.userAgent,this._wrtc="function"==typeof e.wrtc?e.wrtc():e.wrtc;let t="string"==typeof e.announce?[e.announce]:null==e.announce?[]:e.announce;t=t.map(t=>("/"===(t=t.toString())[t.length-1]&&(t=t.substring(0,t.length-1)),t)),t=or(t);const c=!1!==this._wrtc&&(!!this._wrtc||td.WEBRTC_SUPPORT),s=e=>{d.nextTick(()=>{this.emit("warning",e)})};this._trackers=t.map(o=>{let e;try{e=new URL(o)}catch(e){return s(new Error(`Invalid tracker URL: ${o}`)),null}const d=e.port;if(0>d||65535<d)return s(new Error(`Invalid tracker port: ${o}`)),null;const n=e.protocol;return"http:"!==n&&"https:"!==n||!0?"udp:"===n&&!1?new oe(this,o):("ws:"===n||"wss:"===n)&&c?"ws:"===n&&"undefined"!=typeof window&&"https:"===window.location.protocol?(s(new Error(`Unsupported tracker protocol: ${o}`)),null):new xr(this,o):(s(new Error(`Unsupported tracker protocol: ${o}`)),null):new oe(this,o)}).filter(Boolean)}start(t){a("send `start`"),(t=this._defaultAnnounceOpts(t)).event="started",this._announce(t),this._trackers.forEach(t=>{t.setInterval()})}stop(t){a("send `stop`"),(t=this._defaultAnnounceOpts(t)).event="stopped",this._announce(t)}complete(t){a("send `complete`"),t||(t={}),(t=this._defaultAnnounceOpts(t)).event="completed",this._announce(t)}update(t){a("send `update`"),(t=this._defaultAnnounceOpts(t)).event&&delete t.event,this._announce(t)}_announce(n){this._trackers.forEach(e=>{e.announce(n)})}scrape(n){a("send `scrape`"),n||(n={}),this._trackers.forEach(e=>{e.scrape(n)})}setInterval(n){a("setInterval %d",n),this._trackers.forEach(e=>{e.setInterval(n)})}destroy(n){if(!this.destroyed){this.destroyed=!0,a("destroy");const e=this._trackers.map(n=>e=>{n.destroy(e)});Oo(e,n),this._trackers=[],this._getAnnounceOpts=null}}_defaultAnnounceOpts(t={}){return null==t.numwant&&(t.numwant=kr.DEFAULT_ANNOUNCE_PEERS),null==t.uploaded&&(t.uploaded=0),null==t.downloaded&&(t.downloaded=0),this._getAnnounceOpts&&(t=Object.assign({},t,this._getAnnounceOpts())),t}}t.scrape=(r,d)=>{if(d=Ot(d),!r.infoHash)throw new Error("Option `infoHash` is required");if(!r.announce)throw new Error("Option `announce` is required");const e=Object.assign({},r,{infoHash:Array.isArray(r.infoHash)?r.infoHash[0]:r.infoHash,peerId:l.from("01234567890123456789"),port:6881}),i=new t(e);i.once("error",d),i.once("warning",d);let s=Array.isArray(r.infoHash)?r.infoHash.length:1;const c={};return i.on("scrape",t=>{if(s-=1,c[t.infoHash]=t,0===s){i.destroy();const t=Object.keys(c);1===t.length?d(null,c[t[0]]):d(null,c)}}),r.infoHash=Array.isArray(r.infoHash)?r.infoHash.map(t=>l.from(t,"hex")):l.from(r.infoHash,"hex"),i.scrape({infoHash:r.infoHash}),i},Or=t}).call(this,pe,p({}).Buffer);var ud={};(function(r){const o=jo("torrent-discovery"),e=m.EventEmitter;ud=class extends e{constructor(e){if(super(),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!r.browser&&!e.port)throw new Error("Option `port` is required");this.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),this.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():e.infoHash.toString("hex"),this._port=e.port,this._userAgent=e.userAgent,this.destroyed=!1,this._announce=e.announce||[],this._intervalMs=e.intervalMs||9e5,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=t=>{this.emit("warning",t)},this._onError=t=>{this.emit("error",t)},this._onDHTPeer=(n,e)=>{e.toString("hex")===this.infoHash&&this.emit("peer",`${n.host}:${n.port}`,"dht")},this._onTrackerPeer=t=>{this.emit("peer",t,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")};const t=(r,e)=>{const t=new oe(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.listen(r),this._internalDHT=!0,t};!1===e.tracker?this.tracker=null:e.tracker&&"object"==typeof e.tracker?(this._trackerOpts=Object.assign({},e.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),this.dht=!1!==e.dht&&0?e.dht&&"function"==typeof e.dht.addNode?e.dht:e.dht&&"object"==typeof e.dht?t(e.dhtPort,e.dht):t(e.dhtPort):null,this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce())}updatePort(t){t!==this._port&&(this._port=t,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy(()=>{this.tracker=this._createTracker()})))}complete(t){this.tracker&&this.tracker.complete(t)}destroy(n){if(!this.destroyed){this.destroyed=!0,clearTimeout(this._dhtTimeout);const e=[];this.tracker&&(this.tracker.stop(),this.tracker.removeListener("warning",this._onWarning),this.tracker.removeListener("error",this._onError),this.tracker.removeListener("peer",this._onTrackerPeer),this.tracker.removeListener("update",this._onTrackerAnnounce),e.push(t=>{this.tracker.destroy(t)})),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),e.push(t=>{this.dht.destroy(t)})),Oo(e,n),this.dht=null,this.tracker=null,this._announce=null}}_createTracker(){const n=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),e=new Or(n);return e.on("warning",this._onWarning),e.on("error",this._onError),e.on("peer",this._onTrackerPeer),e.on("update",this._onTrackerAnnounce),e.setInterval(this._intervalMs),e.start(),e}_dhtAnnounce(){this._dhtAnnouncing||(o("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,t=>{this._dhtAnnouncing=!1,o("dht announce complete"),t&&this.emit("warning",t),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout(()=>{this._dhtAnnounce()},this._intervalMs+io(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())}))}}}).call(this,pe);var fd={};(function(o){function r(t,e){if(!(this instanceof r))return new r(t,e);if(e||(e={}),this.chunkLength=+t,!this.chunkLength)throw new Error("First argument must be a chunk length");this.chunks=[],this.closed=!1,this.length=+e.length||1/0,this.length!==1/0&&(this.lastChunkLength=this.length%this.chunkLength||this.chunkLength,this.lastChunkIndex=eo(this.length/this.chunkLength)-1)}function d(e,t,n){o.nextTick(function(){e&&e(t,n)})}fd=r,r.prototype.put=function(n,e,t){if(this.closed)return d(t,new Error("Storage is closed"));var r=n===this.lastChunkIndex;return r&&e.length!==this.lastChunkLength?d(t,new Error("Last chunk length must be "+this.lastChunkLength)):r||e.length===this.chunkLength?(this.chunks[n]=e,void d(t,null)):d(t,new Error("Chunk length must be "+this.chunkLength))},r.prototype.get=function(n,e,t){if("function"==typeof e)return this.get(n,null,e);if(this.closed)return d(t,new Error("Storage is closed"));var r=this.chunks[n];if(!r){var i=new Error("Chunk not found");return i.notFound=!0,d(t,i)}if(!e)return d(t,null,r);var s=e.offset||0,o=e.length||r.length-s;d(t,null,r.slice(s,o+s))},r.prototype.close=r.prototype.destroy=function(t){return this.closed?d(t,new Error("Storage is closed")):void(this.closed=!0,this.chunks=null,d(t,null))}}).call(this,pe);var pd={};(function(o){pd=class{constructor(t){if(this.store=t,this.chunkLength=t.chunkLength,!this.store||!this.store.get||!this.store.put)throw new Error("First argument must be abstract-chunk-store 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st.Writable{constructor(t){super(t),this.destroyed=!1,this._pending=0,this._missing=0,this._ignoreEmpty=!1,this._buf=null,this._str=null,this._cb=null,this._ondrain=null,this._writeBuffer=null,this._writeCb=null,this._ondrain=null,this._kick()}destroy(t){this.destroyed||(this.destroyed=!0,t&&this.emit("error",t),this.emit("close"))}_write(r,d,l){if(!this.destroyed){for(var n=!this._str||!this._str._writableState.needDrain;r.length&&!this.destroyed;){if(!this._missing&&!this._ignoreEmpty)return this._writeBuffer=r,void(this._writeCb=l);var c=r.length<this._missing?r.length:this._missing;if(this._buf?r.copy(this._buf,this._buf.length-this._missing):this._str&&(n=this._str.write(c===r.length?r:r.slice(0,c))),this._missing-=c,!this._missing){var s=this._buf,o=this._cb,a=this._str;this._buf=this._cb=this._str=this._ondrain=null,n=!0,this._ignoreEmpty=!1,a&&a.end(),o&&o(s)}r=c===r.length?t:r.slice(c)}if(this._pending&&!this._missing)return 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st.Readable{constructor(t){super(t),this.destroyed=!1,this._finalized=!1,this._reading=!1,this._stream=null,this._drain=null,this._want=!1,this._onreadable=()=>{this._want&&(this._want=!1,this._read())},this._onend=()=>{this._stream=null}}mdat(n,e){this.mediaData(n,e)}mediaData(o,e){var t=new r(this);return this.box({type:"mdat",contentLength:o,encodeBufferLen:8,stream:t},e),t}box(r,t){if(t||(t=n),this.destroyed)return t(new Error("Encoder is destroyed"));var i;if(r.encodeBufferLen&&(i=e.alloc(r.encodeBufferLen)),r.stream)r.buffer=null,i=a.encode(r,i),this.push(i),this._stream=r.stream,this._stream.on("readable",this._onreadable),this._stream.on("end",this._onend),this._stream.on("end",t),this._forward();else{if(i=a.encode(r,i),this.push(i))return d.nextTick(t);this._drain=t}}destroy(n){if(!this.destroyed){if(this.destroyed=!0,this._stream&&this._stream.destroy&&this._stream.destroy(),this._stream=null,this._drain){var 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t=r.traks;this._tracks=[],this._hasVideo=!1,this._hasAudio=!1;for(let i=0;i<t.length;i++){const e=t[i],s=e.mdia.minf.stbl,n=s.stsd.entries[0],o=e.mdia.hdlr.handlerType;let a,c;if("vide"===o&&"avc1"===n.type){if(this._hasVideo)continue;this._hasVideo=!0,a="avc1",n.avcC&&(a+=`.${n.avcC.mimeCodec}`),c=`video/mp4; codecs="${a}"`}else{if("soun"!==o||"mp4a"!==n.type)continue;if(this._hasAudio)continue;this._hasAudio=!0,a="mp4a",n.esds&&n.esds.mimeCodec&&(a+=`.${n.esds.mimeCodec}`),c=`audio/mp4; codecs="${a}"`}const u=[];let d=0,l=0,f=0,p=0,h=0,g=0;const m=new w(s.stts.entries);let _=null;s.ctts&&(_=new w(s.ctts.entries));for(let o=0;;){var S=s.stsc.entries[h];const a=s.stsz.entries[d],e=m.value.duration,t=_?_.value.compositionOffset:0;let n=!0;s.stss&&(n=s.stss.entries[o]===d+1);const r=s.stco||s.co64;if(u.push({size:a,duration:e,dts:g,presentationOffset:t,sync:n,offset:p+r.entries[f]}),++d>=s.stsz.entries.length)break;if(p+=a,++l>=S.samplesPerChunk){l=0,p=0,f++;const t=s.stsc.entries[h+1];t&&f+1>=t.firstChunk&&h++}g+=e,m.inc(),_&&_.inc(),n&&o++}e.mdia.mdhd.duration=0,e.tkhd.duration=0;const b=S.sampleDescriptionId,y={type:"moov",mvhd:r.mvhd,traks:[{tkhd:e.tkhd,mdia:{mdhd:e.mdia.mdhd,hdlr:e.mdia.hdlr,elng:e.mdia.elng,minf:{vmhd:e.mdia.minf.vmhd,smhd:e.mdia.minf.smhd,dinf:e.mdia.minf.dinf,stbl:{stsd:s.stsd,stts:{version:0,flags:0,entries:[]},ctts:{version:0,flags:0,entries:[]},stsc:{version:0,flags:0,entries:[]},stsz:{version:0,flags:0,entries:[]},stco:{version:0,flags:0,entries:[]},stss:{version:0,flags:0,entries:[]}}}}}],mvex:{mehd:{fragmentDuration:r.mvhd.duration},trexs:[{trackId:e.tkhd.trackId,defaultSampleDescriptionIndex:b,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};this._tracks.push({fragmentSequence:1,trackId:e.tkhd.trackId,timeScale:e.mdia.mdhd.timeScale,samples:u,currSample:null,currTime:null,moov:y,mime:c})}if(0===this._tracks.length)return void this.emit("error",new Error("no playable tracks"));r.mvhd.duration=0,this._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};const e=l.encode(this._ftyp),n=this._tracks.map(n=>{const t=l.encode(n.moov);return{mime:n.mime,init:d.concat([e,t])}});this.emit("ready",n)}seek(d){if(!this._tracks)throw new Error("Not ready yet; wait for 'ready' event");this._fileStream&&(this._fileStream.destroy(),this._fileStream=null);let a=-1;if(this._tracks.map((l,e)=>{l.outStream&&l.outStream.destroy(),l.inStream&&(l.inStream.destroy(),l.inStream=null);const n=l.outStream=Id.encode(),t=this._generateFragment(e,d);if(!t)return n.finalize();(-1===a||t.ranges[0].start<a)&&(a=t.ranges[0].start);const r=o=>{n.destroyed||n.box(o.moof,d=>d?this.emit("error",d):void(n.destroyed||l.inStream.slice(o.ranges).pipe(n.mediaData(o.length,t=>{if(t)return this.emit("error",t);if(!n.destroyed){const o=this._generateFragment(e);return o?void r(o):n.finalize()}}))))};r(t)}),0<=a){const t=this._fileStream=this._file.createReadStream({start:a});this._tracks.forEach(e=>{e.inStream=new Ud(a,{highWaterMark:1e7}),t.pipe(e.inStream)})}return this._tracks.map(t=>t.outStream)}_findSampleBefore(o,e){const t=this._tracks[o],n=io(t.timeScale*e);let r=function(d,e,t,n,a){var l,c;if(void 0===n)n=0;else if(0>(n|=0)||n>=d.length)throw new RangeError("invalid lower bound");if(void 0===a)a=d.length-1;else if((a|=0)<n||a>=d.length)throw new RangeError("invalid upper bound");for(;n<=a;)if(0>(c=+t(d[l=n+(a-n>>>1)],e,l,d)))n=l+1;else{if(!(0<c))return l;a=l-1}return~n}(t.samples,n,(n,e)=>n.dts+n.presentationOffset-e);for(-1===r?r=0:0>r&&(r=-r-2);!t.samples[r].sync;)r--;return r}_generateFragment(d,e){const l=this._tracks[d];let t;if((t=void 0===e?l.currSample:this._findSampleBefore(d,e))>=l.samples.length)return null;const n=l.samples[t].dts;let i=0;const c=[];for(var o=t;o<l.samples.length;o++){const r=l.samples[o];if(r.sync&&r.dts-n>=1*l.timeScale)break;i+=r.size;const e=c.length-1;0>e||c[e].end!==r.offset?c.push({start:r.offset,end:r.offset+r.size}):c[e].end+=r.size}return l.currSample=o,{moof:this._generateMoof(d,t,o),ranges:c,length:i}}_generateMoof(n,e,t){const r=this._tracks[n],d=[];let i=0;for(let o=e;o<t;o++){const t=r.samples[o];0>t.presentationOffset&&(i=1),d.push({sampleDuration:t.duration,sampleSize:t.size,sampleFlags:t.sync?33554432:16842752,sampleCompositionTimeOffset:t.presentationOffset})}const s={type:"moof",mfhd:{sequenceNumber:r.fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:r.trackId},tfdt:{baseMediaDecodeTime:r.samples[e].dts},trun:{flags:3841,dataOffset:8,entries:d,version:i}}]};return s.trafs[0].trun.dataOffset+=l.encodingLength(s),s}}}).call(this,p({}).Buffer);var Md={};Ur.prototype={_createMuxer(){this._muxer=new Pd(this._file),this._muxer.on("ready",t=>{this._tracks=t.map(r=>{const e=this._elemWrapper.createWriteStream(r.mime);e.on("error",t=>{this._elemWrapper.error(t)});const t={muxed:null,mediaSource:e,initFlushed:!1,onInitFlushed:null};return e.write(r.init,n=>{t.initFlushed=!0,t.onInitFlushed&&t.onInitFlushed(n)}),t}),(this._waitingFired||"auto"===this._elem.preload)&&this._pump()}),this._muxer.on("error",t=>{this._elemWrapper.error(t)})},_pump(){const r=this._muxer.seek(this._elem.currentTime,!this._tracks);this._tracks.forEach((e,t)=>{const n=()=>{e.muxed&&(e.muxed.destroy(),e.mediaSource=this._elemWrapper.createWriteStream(e.mediaSource),e.mediaSource.on("error",t=>{this._elemWrapper.error(t)})),e.muxed=r[t],Yr(e.muxed,e.mediaSource)};e.initFlushed?n():e.onInitFlushed=t=>{t?this._elemWrapper.error(t):n()}})},destroy(){this.destroyed||(this.destroyed=!0,this._elem.removeEventListener("waiting",this._onWaiting),this._elem.removeEventListener("error",this._onError),this._tracks&&this._tracks.forEach(t=>{t.muxed&&t.muxed.destroy()}),this._elem.src="")}},Md=Ur;var Od={render:function(o,e,d,a){"function"==typeof d&&(a=d,d={}),d||(d={}),a||(a=function(){}),Fr(o),Wr(d),"string"==typeof e&&(e=document.querySelector(e)),Mr(o,function(t){if(e.nodeName!==t.toUpperCase()){var n=pt.extname(o.name).toLowerCase();throw new Error("Cannot render \""+n+"\" inside a \""+e.nodeName.toLowerCase()+"\" element, expected \""+t+"\"")}return e},d,a)},append:function(o,d,a,s){function l(t){var e=document.createElement(t);return d.appendChild(e),e}if("function"==typeof a&&(s=a,a={}),a||(a={}),s||(s=function(){}),Fr(o),Wr(a),"string"==typeof d&&(d=document.querySelector(d)),d&&("VIDEO"===d.nodeName||"AUDIO"===d.nodeName))throw new Error("Invalid video/audio node argument. Argument must be root element that video/audio tag will be appended to.");Mr(o,function(t){return"video"===t||"audio"===t?function(t){var e=l(t);return a.autoplay&&(e.autoplay=!0),a.muted&&(e.muted=!0),a.controls&&(e.controls=!0),d.appendChild(e),e}(t):l(t)},a,function(n,e){n&&e&&e.remove(),s(n,e)})},mime:{".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/x-m4a",".m4b":"audio/mp4",".m4p":"audio/mp4",".m4v":"video/x-m4v",".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"}},Nd=jo("render-media"),Hd=[".m4a",".m4b",".m4p",".m4v",".mp4"],Dd=[".m4v",".mkv",".mp4",".webm"],qd=[].concat(Dd,[".m4a",".m4b",".m4p",".mp3"]),Fd=[".mov",".ogv"],Wd=[".aac",".oga",".ogg",".wav",".flac"],jd=[".bmp",".gif",".jpeg",".jpg",".png",".svg"],zd=[".css",".html",".js",".md",".pdf",".txt"],Vd="undefined"!=typeof window&&window.MediaSource,Gd={};(function(o){Gd=function(e,t,n){n=Ot(n);var d=o.alloc(t),a=0;e.on("data",function(t){t.copy(d,a),a+=t.length}).on("end",function(){n(null,d)}).on("error",n)}}).call(this,p({}).Buffer);const Kd=jo("webtorrent:file-stream");var Yd=class extends st.Readable{constructor(o,e){super(e),this.destroyed=!1,this._torrent=o._torrent;const t=e&&e.start||0,n=e&&e.end&&e.end<o.length?e.end:o.length-1,r=o._torrent.pieceLength;this._startPiece=0|(t+o.offset)/r,this._endPiece=0|(n+o.offset)/r,this._piece=this._startPiece,this._offset=t+o.offset-this._startPiece*r,this._missing=n-t+1,this._reading=!1,this._notifying=!1,this._criticalLength=ao(0|1048576/r,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 r=this._piece;this._torrent.store.get(r,(e,t)=>{if(this._notifying=!1,!this.destroyed){if(e)return this._destroy(e);Kd("read %s (length %s) (err %s)",r,t.length,e&&e.message),this._offset&&(t=t.slice(this._offset),this._offset=0),this._missing<t.length&&(t=t.slice(0,this._missing)),this._missing-=t.length,Kd("pushing buffer of length %s",t.length),this._reading=!1,this.push(t),0===this._missing&&this.push(null)}}),this._piece+=1}destroy(t){this._destroy(null,t)}_destroy(n,e){this.destroyed||(this.destroyed=!0,this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0),n&&this.emit("error",n),this.emit("close"),e&&e())}},$d={};(function(r){const{EventEmitter:e}=m,{PassThrough:o}=st;$d=class extends e{constructor(o,e){super(),this._torrent=o,this._destroyed=!1,this.name=e.name,this.path=e.path,this.length=e.length,this.offset=e.offset,this.done=!1;const t=e.offset,n=t+e.length-1;this._startPiece=0|t/this._torrent.pieceLength,this._endPiece=0|n/this._torrent.pieceLength,0===this.length&&(this.done=!0,this.emit("done"))}get downloaded(){if(!this._torrent.bitfield)return 0;const{pieces:d,bitfield:e,pieceLength:t}=this._torrent,{_startPiece:n,_endPiece:r}=this,a=d[n];let i=e.get(n)?t-this.offset%t:to(a.length-a.missing-this.offset,0);for(let o=n+1;o<=r;++o)if(e.get(o))i+=t;else{const e=d[o];i+=e.length-e.missing}return ao(i,this.length)}get progress(){return this.length?this.downloaded/this.length:0}select(t){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,t)}deselect(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece,!1)}createReadStream(e){if(0===this.length){const e=new o;return r.nextTick(()=>{e.end()}),e}const t=new Yd(this,e);return this._torrent.select(t._startPiece,t._endPiece,!0,()=>{t._notify()}),Kr(t,()=>{this._destroyed||this._torrent.destroyed||this._torrent.deselect(t._startPiece,t._endPiece,!0)}),t}getBuffer(t){Gd(this.createReadStream(),this.length,t)}getBlob(n){if("undefined"==typeof window)throw new Error("browser-only method");(function(o,r){if(null!=r&&"string"!=typeof r)throw new Error("Invalid mimetype, expected string.");return new Promise((t,e)=>{const n=[];o.on("data",t=>n.push(t)).once("end",()=>{const o=null==r?new Blob(n):new Blob(n,{type:r});t(o)}).once("error",e)})})(this.createReadStream(),this._getMimeType()).then(e=>n(null,e),n)}getBlobURL(t){if("undefined"==typeof window)throw new Error("browser-only method");Sd(this.createReadStream(),this._getMimeType(),t)}appendTo(r,e,t){if("undefined"==typeof window)throw new Error("browser-only method");Od.append(this,r,e,t)}renderTo(r,e,t){if("undefined"==typeof window)throw new Error("browser-only method");Od.render(this,r,e,t)}_getMimeType(){return Od.mime[pt.extname(this.name).toLowerCase()]}_destroy(){this._destroyed=!0,this._torrent=null}}}).call(this,pe);var Xd=function(o,e){if(!(e>=o.length||0>e)){var t=o.pop();if(e<o.length){var n=o[e];return o[e]=t,n}return t}},Qd={};(function(d){const l=jo("bittorrent-protocol"),e=d.from("\x13BitTorrent protocol"),t=d.from([0,0,0,0]),n=d.from([0,0,0,1,0]),r=d.from([0,0,0,1,1]),i=d.from([0,0,0,1,2]),o=d.from([0,0,0,1,3]),f=[0,0,0,0,0,0,0,0],a=[0,0,0,3,9,0,0];class s{constructor(o,e,t,n){this.piece=o,this.offset=e,this.length=t,this.callback=n}}Qd=class extends st.Duplex{constructor(){super(),this._debugId=ur(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 id(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=gr(),this.downloadSpeed=gr(),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(t){this._debug("setKeepAlive %s",t),clearInterval(this._keepAliveInterval),!1!==t&&(this._keepAliveInterval=setInterval(()=>{this.keepAlive()},55e3))}setTimeout(n,e){this._debug("setTimeout ms=%d unref=%s",n,e),this._clearTimeout(),this._timeoutMs=n,this._timeoutUnref=!!e,this._updateTimeout()}destroy(){this.destroyed||(this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end())}end(...t){this._debug("end"),this._onUninterested(),this._onChoke(),super.end(...t)}use(o){function e(){}const d=o.prototype.name;if(!d)throw new Error("Extension class requires a \"name\" property on the prototype");this._debug("use extension.name=%s",d);const t=this._nextExt,n=new o(this);"function"!=typeof n.onHandshake&&(n.onHandshake=e),"function"!=typeof n.onExtendedHandshake&&(n.onExtendedHandshake=e),"function"!=typeof n.onMessage&&(n.onMessage=e),this.extendedMapping[t]=d,this._ext[d]=n,this[d]=n,this._nextExt+=1}keepAlive(){this._debug("keep-alive"),this._push(t)}handshake(n,l,c){let i,u;if("string"==typeof n?(n=n.toLowerCase(),i=d.from(n,"hex")):n=(i=n).toString("hex"),"string"==typeof l?u=d.from(l,"hex"):l=(u=l).toString("hex"),20!==i.length||20!==u.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",n,l,c);const p=d.from(f);p[5]|=16,c&&c.dht&&(p[7]|=1),this._push(d.concat([e,p,i,u])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const r=Object.assign({},this.extendedHandshake);for(const e in r.m={},this.extendedMapping){const t=this.extendedMapping[e];r.m[t]=+e}this.extended(0,te.encode(r)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking){for(this.amChoking=!0,this._debug("choke");this.peerRequests.length;)this.peerRequests.pop();this._push(n)}}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(r))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(i))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(o))}have(t){this._debug("have %d",t),this._message(4,[t],null)}bitfield(e){this._debug("bitfield"),d.isBuffer(e)||(e=e.buffer),this._message(5,[],e)}request(o,e,t,n){return n||(n=()=>{}),this._finished?n(new Error("wire is closed")):this.peerChoking?n(new Error("peer is choking")):(this._debug("request index=%d offset=%d length=%d",o,e,t),this.requests.push(new s(o,e,t,n)),this._updateTimeout(),void this._message(6,[o,e,t],null))}piece(r,e,t){this._debug("piece index=%d offset=%d",r,e),this.uploaded+=t.length,this.uploadSpeed(t.length),this.emit("upload",t.length),this._message(7,[r,e],t)}cancel(r,e,t){this._debug("cancel index=%d offset=%d length=%d",r,e,t),this._callback(this._pull(this.requests,r,e,t),new Error("request was cancelled"),null),this._message(8,[r,e,t],null)}port(e){this._debug("port %d",e);const t=d.from(a);t.writeUInt16BE(e,5),this._push(t)}extended(e,o){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}`);{const t=d.from([e]),n=d.isBuffer(o)?o:te.encode(o);this._message(20,[],d.concat([t,n]))}}_read(){}_message(e,t,n){const r=n?n.length:0,o=d.allocUnsafe(5+4*t.length);o.writeUInt32BE(o.length+r-4,0),o[4]=e;for(let r=0;r<t.length;r++)o.writeUInt32BE(t[r],5+4*r);this._push(o),n&&this._push(n)}_push(t){if(!this._finished)return this.push(t)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onHandshake(o,e,t){const n=o.toString("hex"),r=e.toString("hex");for(var d in this._debug("got handshake i=%s p=%s exts=%o",n,r,t),this.peerId=r,this.peerIdBuffer=e,this.peerExtensions=t,this.emit("handshake",n,r,t),this._ext)this._ext[d].onHandshake(n,r,t);t.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(t){this.peerPieces.get(t)||(this._debug("got have %d",t),this.peerPieces.set(t,!0),this.emit("have",t))}_onBitField(t){this.peerPieces=new id(t),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(o,e,t){if(!this.amChoking){this._debug("got request index=%d offset=%d length=%d",o,e,t);const d=(d,r)=>{if(n===this._pull(this.peerRequests,o,e,t))return d?this._debug("error satisfying request index=%d offset=%d length=%d (%s)",o,e,t,d.message):void this.piece(o,e,r)};var n=new s(o,e,t,d);this.peerRequests.push(n),this.emit("request",o,e,t,d)}}_onPiece(r,e,t){this._debug("got piece index=%d offset=%d",r,e),this._callback(this._pull(this.requests,r,e,t.length),null,t),this.downloaded+=t.length,this.downloadSpeed(t.length),this.emit("download",t.length),this.emit("piece",r,e,t)}_onCancel(r,e,t){this._debug("got cancel index=%d offset=%d length=%d",r,e,t),this._pull(this.peerRequests,r,e,t),this.emit("cancel",r,e,t)}_onPort(t){this._debug("got port %d",t),this.emit("port",t)}_onExtended(n,r){if(0===n){let t,e;try{t=te.decode(r)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!t)return;if(this.peerExtendedHandshake=t,"object"==typeof t.m)for(e in t.m)this.peerExtendedMapping[e]=+t.m[e].toString();for(e in this._ext)this.peerExtendedMapping[e]&&this._ext[e].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[n]&&(n=this.extendedMapping[n],this._ext[n]&&this._ext[n].onMessage(r)),this._debug("got extended message ext=%s",n),this.emit("extended",n,r)}_onTimeout(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")}_write(e,t,n){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){const e=1===this._buffer.length?this._buffer[0]:d.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[e.slice(this._parserSize)]:[],this._parser(e.slice(0,this._parserSize))}n(null)}_callback(r,e,t){r&&(this._clearTimeout(),this.peerChoking||this._finished||this._updateTimeout(),r.callback(e,t))}_clearTimeout(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}_updateTimeout(){this._timeoutMs&&this.requests.length&&!this._timeout&&(this._timeout=setTimeout(()=>this._onTimeout(),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref())}_parse(n,e){this._parserSize=n,this._parser=e}_onMessageLength(n){const e=n.readUInt32BE(0);0<e?this._parse(e,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(t){switch(this._parse(4,this._onMessageLength),t[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(t.readUInt32BE(1));case 5:return this._onBitField(t.slice(1));case 6:return this._onRequest(t.readUInt32BE(1),t.readUInt32BE(5),t.readUInt32BE(9));case 7:return this._onPiece(t.readUInt32BE(1),t.readUInt32BE(5),t.slice(9));case 8:return this._onCancel(t.readUInt32BE(1),t.readUInt32BE(5),t.readUInt32BE(9));case 9:return this._onPort(t.readUInt16BE(1));case 20:return this._onExtended(t.readUInt8(1),t.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",t);}}_parseHandshake(){this._parse(1,n=>{const r=n.readUInt8(0);this._parse(r+48,t=>{const o=t.slice(0,r);return"BitTorrent protocol"===o.toString()?void(t=t.slice(r),this._onHandshake(t.slice(8,28),t.slice(28,48),{dht:!!(1&t[7]),extended:!!(16&t[5])}),this._parse(4,this._onMessageLength)):(this._debug("Error: wire not speaking BitTorrent protocol (%s)",o.toString()),void this.end())})})}_onFinish(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,()=>{});this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)}_debug(...t){t[0]=`[${this._debugId}] ${t[0]}`,l(...t)}_pull(o,e,t,n){for(let r=0;r<o.length;r++){const d=o[r];if(d.piece===e&&d.offset===t&&d.length===n)return Xd(o,r),d}return null}}}).call(this,p({}).Buffer);var Jd={};(function(n){const m=jo("webtorrent:webconn");Jd=class extends Qd{constructor(n,e){super(),this.url=n,this.webPeerId=qo.sync(n),this._torrent=e,this._init()}_init(){this.setKeepAlive(!0),this.once("handshake",t=>{if(!this.destroyed){this.handshake(t,this.webPeerId);const e=this._torrent.pieces.length,n=new id(e);for(let t=0;t<=e;t++)n.set(t,!0);this.bitfield(n)}}),this.once("interested",()=>{m("interested"),this.unchoke()}),this.on("uninterested",()=>{m("uninterested")}),this.on("choke",()=>{m("choke")}),this.on("unchoke",()=>{m("unchoke")}),this.on("bitfield",()=>{m("bitfield")}),this.on("request",(t,e,n,r)=>{m("request pieceIndex=%d offset=%d length=%d",t,e,n),this.httpRequest(t,e,n,r)})}httpRequest(t,r,i,s){const o=t*this._torrent.pieceLength+r,a=o+i-1,p=this._torrent.files;let c;if(1>=p.length)c=[{url:this.url,start:o,end:a}];else{const t=p.filter(t=>t.offset<=a&&t.offset+t.length>o);if(1>t.length)return s(new Error("Could not find file corresponnding to web seed range request"));c=t.map(n=>{const e=n.offset+n.length-1;return{url:this.url+("/"===this.url[this.url.length-1]?"":"/")+n.path,fileOffsetInRange:to(n.offset-o,0),start:to(o-n.offset,0),end:ao(e,a-n.offset)}})}let h,g=0,_=!1;1<c.length&&(h=n.alloc(i)),c.forEach(o=>{function d(e,t){return 200>e.statusCode||300<=e.statusCode?(_=!0,s(new Error(`Unexpected HTTP status code ${e.statusCode}`))):void(m("Got data of length %d",t.length),1===c.length?s(null,t):(t.copy(h,o.fileOffsetInRange),++g===c.length&&s(null,h)))}const l=o.url,e=o.start,n=o.end;m("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",l,t,r,i,e,n);const a={url:l,method:"GET",headers:{"user-agent":`WebTorrent/${"0.107.0"} (https://webtorrent.io)`,range:`bytes=${e}-${n}`}};nr.concat(a,(r,e,t)=>{if(!_)return r?"undefined"==typeof window||l.startsWith(`${window.location.origin}/`)?(_=!0,s(r)):nr.head(l,(e,t)=>{if(!_){if(e)return _=!0,s(e);if(200>t.statusCode||300<=t.statusCode)return _=!0,s(new Error(`Unexpected HTTP status code ${t.statusCode}`));if(t.url===l)return _=!0,s(r);a.url=t.url,nr.concat(a,(r,e,t)=>{if(!_)return r?(_=!0,s(r)):void d(e,t)})}}):void d(e,t)})})}destroy(){super.destroy(),this._torrent=null}}}).call(this,p({}).Buffer);var Zd={};const ea=jo("webtorrent:peer");Zd.createWebRTCPeer=(r,e)=>{const t=new ta(r.id,"webrtc");return t.conn=r,t.swarm=e,t.conn.connected?t.onConnect():(t.conn.once("connect",()=>{t.onConnect()}),t.conn.once("error",n=>{t.destroy(n)}),t.startConnectTimeout()),t},Zd.createTCPOutgoingPeer=(r,e)=>{const t=new ta(r,"tcpOutgoing");return t.addr=r,t.swarm=e,t},Zd.createWebSeedPeer=(r,e)=>{const t=new ta(r,"webSeed");return t.swarm=e,t.conn=new Jd(r,e),t.onConnect(),t};class ta{constructor(n,e){this.id=n,this.type=e,ea("new %s Peer %s",e,n),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,ea("Peer %s connected",this.id),clearTimeout(this.connectTimeout);const n=this.conn;n.once("end",()=>{this.destroy()}),n.once("close",()=>{this.destroy()}),n.once("finish",()=>{this.destroy()}),n.once("error",t=>{this.destroy(t)});const e=this.wire=new Qd;e.type=this.type,e.once("end",()=>{this.destroy()}),e.once("close",()=>{this.destroy()}),e.once("finish",()=>{this.destroy()}),e.once("error",t=>{this.destroy(t)}),e.once("handshake",(n,e)=>{this.onHandshake(n,e)}),this.startHandshakeTimeout(),n.pipe(e).pipe(n),this.swarm&&!this.sentHandshake&&this.handshake()}}onHandshake(r,e){if(!this.swarm)return;if(this.destroyed)return;if(this.swarm.destroyed)return this.destroy(new Error("swarm already destroyed"));if(r!==this.swarm.infoHash)return this.destroy(new Error("unexpected handshake info hash for this swarm"));if(e===this.swarm.peerId)return this.destroy(new Error("refusing to connect to ourselves"));ea("Peer %s got handshake %s",this.id,r),clearTimeout(this.handshakeTimeout),this.retries=0;let t=this.addr;!t&&this.conn.remoteAddress&&this.conn.remotePort&&(t=`${this.conn.remoteAddress}:${this.conn.remotePort}`),this.swarm._onWire(this.wire,t),this.swarm&&!this.swarm.destroyed&&(this.sentHandshake||this.handshake())}handshake(){const t={dht:!this.swarm.private&&!!this.swarm.client.dht};this.wire.handshake(this.swarm.infoHash,this.swarm.client.peerId,t),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(o){if(!this.destroyed){this.destroyed=!0,this.connected=!1,ea("destroy %s (error: %s)",this.id,o&&(o.message||o)),clearTimeout(this.connectTimeout),clearTimeout(this.handshakeTimeout);const e=this.swarm,t=this.conn,n=this.wire;this.swarm=null,this.conn=null,this.wire=null,e&&n&&Xd(e.wires,e.wires.indexOf(n)),t&&(t.on("error",()=>{}),t.destroy()),n&&n.destroy(),e&&e.removePeer(this.id)}}}var na={};(function(d,a){function g(n,e){return 2+eo(e*n.downloadSpeed()/md.BLOCK_LENGTH)}function l(){}const t=jo("webtorrent:torrent"),e=m.EventEmitter,u=3*md.BLOCK_LENGTH,n=d.browser?1/0:2,r=[1e3,5e3,15e3];let o;try{o=pt.join(St.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){o=pt.join("function"==typeof oe.tmpdir?oe.tmpdir():"/","webtorrent")}na=class extends e{constructor(r,e,t){super(),this._debugId="unknown infohash",this.client=e,this.announce=t.announce,this.urlList=t.urlList,this.path=t.path,this.skipVerify=!!t.skipVerify,this._store=t.store||fd,this._getAnnounceOpts=t.getAnnounceOpts,this.strategy=t.strategy||"sequential",this.maxWebConns=t.maxWebConns||4,this._rechokeNumSlots=!1===t.uploads||0===t.uploads?0:+t.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=gr(),this._uploadSpeed=gr(),this._servers=[],this._xsRequests=[],this._fileModtimes=t.fileModtimes,null!==r&&this._onTorrentId(r),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 r=0;for(let e=0,t=this.pieces.length;e<t;++e)if(this.bitfield.get(e))r+=e==t-1?this.lastPieceLength:this.pieceLength;else{const t=this.pieces[e];r+=t.length-t.missing}return r}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 n=0;for(const e in this._peers)this._peers[e].connected&&(n+=1);return n}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=Zo(e)}catch(e){}t?(this.infoHash=t.infoHash,this._debugId=t.infoHash.toString("hex").substring(0,7),d.nextTick(()=>{this.destroyed||this._onParsedTorrent(t)})):Zo.remote(e,(n,e)=>{if(!this.destroyed)return n?this._destroy(n):void this._onParsedTorrent(e)})}_onParsedTorrent(t){if(!this.destroyed){if(this._processParsedTorrent(t),!this.infoHash)return this._destroy(new Error("Malformed torrent data: No info hash"));this.path||(this.path=pt.join(o,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(t){this._debugId=t.infoHash.toString("hex").substring(0,7),this.announce&&(t.announce=t.announce.concat(this.announce)),this.client.tracker&&a.WEBTORRENT_ANNOUNCE&&!this.private&&(t.announce=t.announce.concat(a.WEBTORRENT_ANNOUNCE)),this.urlList&&(t.urlList=t.urlList.concat(this.urlList)),or(t.announce),or(t.urlList),Object.assign(this,t),this.magnetURI=Zo.toMagnetURI(t),this.torrentFile=Zo.toTorrentFile(t)}_onListening(){if(this.discovery||this.destroyed)return;let t=this.client.tracker;t&&(t=Object.assign({},this.client.tracker,{getAnnounceOpts:()=>{const t={uploaded:this.uploaded,downloaded:this.downloaded,left:to(this.length-this.downloaded,0)};return this.client.tracker.getAnnounceOpts&&Object.assign(t,this.client.tracker.getAnnounceOpts()),this._getAnnounceOpts&&Object.assign(t,this._getAnnounceOpts()),t}})),this.discovery=new ud({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:t,port:this.client.torrentPort,userAgent:`WebTorrent/${"0.107.0"} (https://webtorrent.io)`}),this.discovery.on("error",t=>{this._destroy(t)}),this.discovery.on("peer",t=>{"string"==typeof t&&this.done||this.addPeer(t)}),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",t=>{this.emit("warning",t)}),this.info?this._onMetadata(this):this.xs&&this._getMetadataFromServer()}_getMetadataFromServer(){const d=this,e=(Array.isArray(this.xs)?this.xs:[this.xs]).map(e=>t=>{!function(e,t){if(0!==e.indexOf("http://")&&0!==e.indexOf("https://"))return d.emit("warning",new Error(`skipping non-http xs param: ${e}`)),t(null);let n;try{n=nr.concat({url:e,method:"GET",headers:{"user-agent":"WebTorrent/0.107.0 (https://webtorrent.io)"}},function(n,r,a){if(d.destroyed)return t(null);if(d.metadata)return t(null);if(n)return d.emit("warning",new Error(`http error from xs param: ${e}`)),t(null);if(200!==r.statusCode)return d.emit("warning",new Error(`non-200 status code ${r.statusCode} from xs param: ${e}`)),t(null);let i;try{i=Zo(a)}catch(e){}return i?i.infoHash===d.infoHash?(d._onMetadata(i),void t(null)):(d.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${e}`)),t(null)):(d.emit("warning",new Error(`got invalid torrent file from xs param: ${e}`)),t(null))})}catch(n){return d.emit("warning",new Error(`skipping invalid url xs param: ${e}`)),t(null)}d._xsRequests.push(n)}(e,t)});Oo(e)}_onMetadata(n){if(this.metadata||this.destroyed)return;let e;if(this._debug("got metadata"),this._xsRequests.forEach(t=>{t.abort()}),this._xsRequests=[],n&&n.infoHash)e=n;else try{e=Zo(n)}catch(e){return this._destroy(e)}if(this._processParsedTorrent(e),this.metadata=this.torrentFile,this.client.enableWebSeeds&&this.urlList.forEach(t=>{this.addWebSeed(t)}),this._rarityMap=new class{constructor(t){this._torrent=t,this._numPieces=t.pieces.length,this._pieces=Array(this._numPieces),this._onWire=t=>{this.recalculate(),this._initWire(t)},this._onWireHave=t=>{this._pieces[t]+=1},this._onWireBitfield=()=>{this.recalculate()},this._torrent.wires.forEach(t=>{this._initWire(t)}),this._torrent.on("wire",this._onWire),this.recalculate()}getRarestPiece(o){let e=[],d=1/0;for(let t=0;t<this._numPieces;++t){if(o&&!o(t))continue;const n=this._pieces[t];n===d?e.push(t):n<d&&(e=[t],d=n)}return e.length?e[0|Math.random()*e.length]:-1}destroy(){this._torrent.removeListener("wire",this._onWire),this._torrent.wires.forEach(t=>{this._cleanupWireEvents(t)}),this._torrent=null,this._pieces=null,this._onWire=null,this._onWireHave=null,this._onWireBitfield=null}_initWire(n){n._onClose=()=>{this._cleanupWireEvents(n);for(let e=0;e<this._numPieces;++e)this._pieces[e]-=n.peerPieces.get(e)},n.on("have",this._onWireHave),n.on("bitfield",this._onWireBitfield),n.once("close",n._onClose)}recalculate(){this._pieces.fill(0);for(const n of this._torrent.wires)for(let e=0;e<this._numPieces;++e)this._pieces[e]+=n.peerPieces.get(e)}_cleanupWireEvents(t){t.removeListener("have",this._onWireHave),t.removeListener("bitfield",this._onWireBitfield),t._onClose&&t.removeListener("close",t._onClose),t._onClose=null}}(this),this.store=new pd(new this._store(this.pieceLength,{torrent:{infoHash:this.infoHash},files:this.files.map(t=>({path:pt.join(this.path,t.path),length:t.length,offset:t.offset})),length:this.length,name:this.infoHash})),this.files=this.files.map(t=>new $d(this,t)),this.so){const r=yd.parse(this.so);this.files.forEach((e,t)=>{r.includes(t)&&this.files[t].select(!0)})}else 0!==this.pieces.length&&this.select(0,this.pieces.length-1,!1);if(this._hashes=this.pieces,this.pieces=this.pieces.map((r,e)=>{const t=e===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new md(t)}),this._reservations=this.pieces.map(()=>[]),this.bitfield=new id(this.pieces.length),this.wires.forEach(t=>{t.ut_metadata&&t.ut_metadata.setMetadata(this.metadata),this._onWireWithMetadata(t)}),this.skipVerify)this._markAllVerified(),this._onStore();else{const r=t=>t?this._destroy(t):void(this._debug("done verifying"),this._onStore());this._debug("verifying existing torrent data"),this._fileModtimes&&this._store===fd?this.getFileModtimes((e,o)=>e?this._destroy(e):void(this.files.map((n,e)=>o[e]===this._fileModtimes[e]).every(t=>t)?(this._markAllVerified(),this._onStore()):this._verifyPieces(r))):this._verifyPieces(r)}this.emit("metadata")}getFileModtimes(r){const o=[];zr(this.files.map((t,d)=>n=>{St.stat(pt.join(this.path,t.path),(t,e)=>t&&"ENOENT"!==t.code?n(t):void(o[d]=e&&e.mtime.getTime(),n(null)))}),n,e=>{this._debug("done getting file modtimes"),r(e,o)})}_verifyPieces(e){zr(this.pieces.map((e,r)=>n=>this.destroyed?n(new Error("torrent is destroyed")):void this.store.get(r,(e,t)=>this.destroyed?n(new Error("torrent is destroyed")):e?d.nextTick(n,null):void qo(t,t=>{if(this.destroyed)return n(new Error("torrent is destroyed"));if(t===this._hashes[r]){if(!this.pieces[r])return;this._debug("piece verified %s",r),this._markVerified(r)}else this._debug("piece invalid %s",r);n(null)}))),n,e)}rescanFiles(n){if(this.destroyed)throw new Error("torrent is destroyed");n||(n=l),this._verifyPieces(e=>e?(this._destroy(e),n(e)):void(this._checkDone(),n(null)))}_markAllVerified(){for(let t=0;t<this.pieces.length;t++)this._markVerified(t)}_markVerified(t){this.pieces[t]=null,this._reservations[t]=null,this.bitfield.set(t,!0)}_onStore(){this.destroyed||(this._debug("on store"),this.ready=!0,this.emit("ready"),this._checkDone(),this._updateSelections())}destroy(t){this._destroy(null,t)}_destroy(r,e){if(!this.destroyed){for(const e in this.destroyed=!0,this._debug("destroy"),this.client._remove(this),clearInterval(this._rechokeIntervalId),this._xsRequests.forEach(t=>{t.abort()}),this._rarityMap&&this._rarityMap.destroy(),this._peers)this.removePeer(e);this.files.forEach(t=>{t instanceof $d&&t._destroy()});const t=this._servers.map(n=>e=>{n.destroy(e)});this.discovery&&t.push(t=>{this.discovery.destroy(t)}),this.store&&t.push(t=>{this.store.close(t)}),Oo(t,e),r&&(0===this.listenerCount("error")?this.client.emit("error",r):this.emit("error",r)),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(r){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 r){let t;try{t=mr(r)}catch(e){return this._debug("ignoring peer: invalid %s",r),this.emit("invalidPeer",r),!1}e=t[0]}else"string"==typeof r.remoteAddress&&(e=r.remoteAddress);if(e&&this.client.blocked.contains(e))return this._debug("ignoring peer: blocked %s",r),"string"!=typeof r&&r.destroy(),this.emit("blockedPeer",r),!1}const e=!!this._addPeer(r);return e?this.emit("peer",r):this.emit("invalidPeer",r),e}_addPeer(r){if(this.destroyed)return"string"!=typeof r&&r.destroy(),null;if("string"==typeof r&&!this._validAddr(r))return this._debug("ignoring peer: invalid %s",r),null;const e=r&&r.id||r;if(this._peers[e])return this._debug("ignoring peer: duplicate (%s)",e),"string"!=typeof r&&r.destroy(),null;if(this.paused)return this._debug("ignoring peer: torrent is paused"),"string"!=typeof r&&r.destroy(),null;let t;return this._debug("add peer %s",e),t="string"==typeof r?Zd.createTCPOutgoingPeer(r,this):Zd.createWebRTCPeer(r,this),this._peers[t.id]=t,this._peersLength+=1,"string"==typeof r&&(this._queue.push(t),this._drain()),t}addWebSeed(n){if(this.destroyed)throw new Error("torrent is destroyed");if(!/^https?:\/\/.+/.test(n))return this.emit("warning",new Error(`ignoring invalid web seed: ${n}`)),void this.emit("invalidPeer",n);if(this._peers[n])return this.emit("warning",new Error(`ignoring duplicate web seed: ${n}`)),void this.emit("invalidPeer",n);this._debug("add web seed %s",n);const e=Zd.createWebSeedPeer(n,this);this._peers[e.id]=e,this._peersLength+=1,this.emit("peer",n)}_addIncomingPeer(t){return this.destroyed?t.destroy(new Error("torrent is destroyed")):this.paused?t.destroy(new Error("torrent is paused")):(this._debug("add incoming peer %s",t.id),this._peers[t.id]=t,void(this._peersLength+=1))}removePeer(n){const r=n&&n.id||n;(n=this._peers[r])&&(this._debug("removePeer %s",r),delete this._peers[r],this._peersLength-=1,n.destroy(),this._drain())}select(o,e,t,d){if(this.destroyed)throw new Error("torrent is destroyed");if(0>o||e<o||this.pieces.length<=e)throw new Error(`invalid selection ${o} : ${e}`);t=+t||0,this._debug("select %s-%s (priority %s)",o,e,t),this._selections.push({from:o,to:e,offset:0,priority:t,notify:d||l}),this._selections.sort((n,e)=>e.priority-n.priority),this._updateSelections()}deselect(o,e,t){if(this.destroyed)throw new Error("torrent is destroyed");t=+t||0,this._debug("deselect %s-%s (priority %s)",o,e,t);for(let n=0;n<this._selections.length;++n){const r=this._selections[n];if(r.from===o&&r.to===e&&r.priority===t){this._selections.splice(n,1);break}}this._updateSelections()}critical(r,e){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("critical %s-%s",r,e);for(let t=r;t<=e;++t)this._critical[t]=!0;this._updateSelections()}_onWire(r,t){if(this._debug("got wire %s (%s)",r._debugId,t||"Unknown"),r.on("download",t=>{this.destroyed||(this.received+=t,this._downloadSpeed(t),this.client._downloadSpeed(t),this.emit("download",t),this.client.emit("download",t))}),r.on("upload",t=>{this.destroyed||(this.uploaded+=t,this._uploadSpeed(t),this.client._uploadSpeed(t),this.emit("upload",t),this.client.emit("upload",t))}),this.wires.push(r),t){const n=mr(t);r.remoteAddress=n[0],r.remotePort=n[1]}this.client.dht&&this.client.dht.listening&&r.on("port",n=>{if(!this.destroyed&&!this.client.dht.destroyed){if(!r.remoteAddress)return this._debug("ignoring PORT from peer with no address");if(0===n||65536<n)return this._debug("ignoring invalid PORT from peer");this._debug("port: %s (from %s)",n,t),this.client.dht.addNode({host:r.remoteAddress,port:n})}}),r.on("timeout",()=>{this._debug("wire timeout (%s)",t),r.destroy()}),r.setTimeout(3e4,!0),r.setKeepAlive(!0),r.use(bd(this.metadata)),r.ut_metadata.on("warning",t=>{this._debug("ut_metadata warning: %s",t.message)}),this.metadata||(r.ut_metadata.on("metadata",t=>{this._debug("got metadata via ut_metadata"),this._onMetadata(t)}),r.ut_metadata.fetch()),!0,this.emit("wire",r,t),this.metadata&&d.nextTick(()=>{this._onWireWithMetadata(r)})}_onWireWithMetadata(o){let e=null;const d=()=>{this.destroyed||o.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&o.amInterested?o.destroy():(e=setTimeout(d,5e3)).unref&&e.unref())};let n;const a=()=>{if(o.peerPieces.buffer.length===this.bitfield.buffer.length){for(n=0;n<this.pieces.length;++n)if(!o.peerPieces.get(n))return;o.isSeeder=!0,o.choke()}};o.on("bitfield",()=>{a(),this._update()}),o.on("have",()=>{a(),this._update()}),o.once("interested",()=>{o.unchoke()}),o.once("close",()=>{clearTimeout(e)}),o.on("choke",()=>{clearTimeout(e),(e=setTimeout(d,5e3)).unref&&e.unref()}),o.on("unchoke",()=>{clearTimeout(e),this._update()}),o.on("request",(e,t,n,r)=>131072<n?o.destroy():void(this.pieces[e]||this.store.get(e,{offset:t,length:n},r))),o.bitfield(this.bitfield),o.uninterested(),o.peerExtensions.dht&&this.client.dht&&this.client.dht.listening&&o.port(this.client.dht.address().port),"webSeed"!==o.type&&(e=setTimeout(d,5e3)).unref&&e.unref(),o.isSeeder=!1,a()}_updateSelections(){this.ready&&!this.destroyed&&(d.nextTick(()=>{this._gcSelections()}),this._updateInterest(),this._update())}_gcSelections(){for(let r=0;r<this._selections.length;++r){const e=this._selections[r],t=e.offset;for(;this.bitfield.get(e.from+e.offset)&&e.from+e.offset<e.to;)e.offset+=1;t!==e.offset&&e.notify(),e.to===e.from+e.offset&&this.bitfield.get(e.from+e.offset)&&(this._selections.splice(r,1),r-=1,e.notify(),this._updateInterest())}this._selections.length||this.emit("idle")}_updateInterest(){const t=this._amInterested;this._amInterested=!!this._selections.length,this.wires.forEach(r=>{let e=!1;for(let t=0;t<this.pieces.length;++t)if(this.pieces[t]&&r.peerPieces.get(t)){e=!0;break}e?r.interested():r.uninterested()}),t!==this._amInterested&&(this._amInterested?this.emit("interested"):this.emit("uninterested"))}_update(){if(!this.destroyed){const t=(o=this.wires,d=0,function(){if(d===o.length)return null;var t=o.length-d,e=0|Math.random()*t,n=o[d+e],r=o[d];return o[d]=n,o[d+e]=r,d++,n});var o,d;for(let e;e=t();)this._updateWireWrapper(e)}}_updateWireWrapper(n){const e=this;"undefined"!=typeof window&&"function"==typeof window.requestIdleCallback?window.requestIdleCallback(function(){e._updateWire(n)}):e._updateWire(n)}_updateWire(d){function e(e,t,n,r){return o=>o>=e&&o<=t&&!(o in n)&&d.peerPieces.get(o)&&(!r||r(o))}function s(t){let e=t;for(let n=t;n<l._selections.length&&l._selections[n].priority;n++)e=n;const o=l._selections[t];l._selections[t]=l._selections[e],l._selections[e]=o}function o(t){if(d.requests.length>=m)return!0;const n=function(){const t=d.downloadSpeed()||1;if(t>u)return()=>!0;const n=to(1,d.requests.length)*md.BLOCK_LENGTH/t;let r=10,i=0;return o=>{if(!r||l.bitfield.get(o))return!0;for(let e=l.pieces[o].missing;i<l.wires.length;i++){const d=l.wires[i],a=d.downloadSpeed();if(!(a<u)&&!(a<=t)&&d.peerPieces.get(o)&&!(0<(e-=a*n)))return r--,!1}return!0}}();for(let r=0;r<l._selections.length;r++){const o=l._selections[r];let a;if("rarest"===l.strategy){const i=o.from+o.offset,c=o.to,u={};let f=0;for(const p=e(i,c,u,n);f<c-i+1&&!(0>(a=l._rarityMap.getRarestPiece(p)));){for(;l._request(d,a,l._critical[a]||t););if(!(d.requests.length<m))return o.priority&&s(r),!0;u[a]=!0,f++}}else for(a=o.from+o.offset;a<=o.to;a++)if(d.peerPieces.get(a)&&n(a)){for(;l._request(d,a,l._critical[a]||t););if(!(d.requests.length<m))return o.priority&&s(r),!0}}return!1}const l=this;if(d.peerChoking)return;if(!d.downloaded)return function(){if(!d.requests.length)for(let t=l._selections.length;t--;){const a=l._selections[t];let r;if("rarest"===l.strategy){const t=a.from+a.offset,n=a.to,o={};let i=0;for(const a=e(t,n,o);i<n-t+1&&!(0>(r=l._rarityMap.getRarestPiece(a)));){if(l._request(d,r,!1))return;o[r]=!0,i+=1}}else for(r=a.to;r>=a.from+a.offset;--r)if(d.peerPieces.get(r)&&l._request(d,r,!1))return}}();const t=g(d,.5);if(d.requests.length>=t)return;const m=g(d,1);o(!1)||o(!0)}_rechoke(){if(!this.ready)return;0<this._rechokeOptimisticTime?this._rechokeOptimisticTime-=1:this._rechokeOptimisticWire=null;const o=[];this.wires.forEach(e=>{e.isSeeder||e===this._rechokeOptimisticWire||o.push({wire:e,downloadSpeed:e.downloadSpeed(),uploadSpeed:e.uploadSpeed(),salt:Math.random(),isChoked:!0})}),o.sort(function(n,e){return n.downloadSpeed===e.downloadSpeed?n.uploadSpeed===e.uploadSpeed?n.wire.amChoking===e.wire.amChoking?n.salt-e.salt:n.wire.amChoking?1:-1:e.uploadSpeed-n.uploadSpeed:e.downloadSpeed-n.downloadSpeed});let e=0,d=0;for(;d<o.length&&e<this._rechokeNumSlots;++d)o[d].isChoked=!1,o[d].wire.peerInterested&&(e+=1);if(!this._rechokeOptimisticWire&&d<o.length&&this._rechokeNumSlots){const e=o.slice(d).filter(t=>t.wire.peerInterested),t=e[(a=e.length,0|Math.random()*a)];t&&(t.isChoked=!1,this._rechokeOptimisticWire=t.wire,this._rechokeOptimisticTime=2)}var a;o.forEach(t=>{t.wire.amChoking!==t.isChoked&&(t.isChoked?t.wire.choke():t.wire.unchoke())})}_hotswap(d,i){const e=d.downloadSpeed();if(e<md.BLOCK_LENGTH)return!1;if(!this._reservations[i])return!1;const n=this._reservations[i];if(!n)return!1;let r,l,c=1/0;for(l=0;l<n.length;l++){const o=n[l];if(!o||o===d)continue;const t=o.downloadSpeed();t>=u||2*t>e||t>c||(r=o,c=t)}if(!r)return!1;for(l=0;l<n.length;l++)n[l]===r&&(n[l]=null);for(l=0;l<r.requests.length;l++){const t=r.requests[l];t.piece===i&&this.pieces[i].cancel(0|t.offset/md.BLOCK_LENGTH)}return this.emit("hotswap",r,d,i),!0}_request(m,t,e){function n(){d.nextTick(()=>{p._update()})}const p=this,r=m.requests.length,i="webSeed"===m.type;if(p.bitfield.get(t))return!1;if(r>=(i?ao(function(r,e,t){return 1+eo(1*r.downloadSpeed()/t)}(m,0,p.pieceLength),p.maxWebConns):g(m,1)))return!1;const o=p.pieces[t];let a=i?o.reserveRemaining():o.reserve();if(-1===a&&e&&p._hotswap(m,t)&&(a=i?o.reserveRemaining():o.reserve()),-1===a)return!1;let _=p._reservations[t];_||(_=p._reservations[t]=[]);let b=_.indexOf(null);-1===b&&(b=_.length),_[b]=m;const y=o.chunkOffset(a),l=i?o.chunkLengthRemaining(a):o.chunkLength(a);return m.request(t,y,l,function d(e,r){if(p.destroyed)return;if(!p.ready)return p.once("ready",()=>{d(e,r)});if(_[b]===m&&(_[b]=null),o!==p.pieces[t])return n();if(e)return p._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,y,l,`${m.remoteAddress}:${m.remotePort}`,e.message),i?o.cancelRemaining(a):o.cancel(a),void n();if(p._debug("got piece %s (offset: %s length: %s) from %s",t,y,l,`${m.remoteAddress}:${m.remotePort}`),!o.set(a,r,m))return n();const s=o.flush();qo(s,r=>{if(!p.destroyed){if(r===p._hashes[t]){if(!p.pieces[t])return;p._debug("piece verified %s",t),p.pieces[t]=null,p._reservations[t]=null,p.bitfield.set(t,!0),p.store.put(t,s),p.wires.forEach(n=>{n.have(t)}),p._checkDone()&&!p.destroyed&&p.discovery.complete()}else p.pieces[t]=new md(o.length),p.emit("warning",new Error(`Piece ${t} failed verification`));n()}})}),!0}_checkDone(){if(this.destroyed)return;this.files.forEach(n=>{if(!n.done){for(let e=n._startPiece;e<=n._endPiece;++e)if(!this.bitfield.get(e))return;n.done=!0,n.emit("done"),this._debug(`file done: ${n.name}`)}});let r=!0;for(let e=0;e<this._selections.length;e++){const o=this._selections[e];for(let e=o.from;e<=o.to;e++)if(!this.bitfield.get(e)){r=!1;break}if(!r)break}return!this.done&&r&&(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done")),this._gcSelections(),r}load(o,d){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",()=>{this.load(o,d)});Array.isArray(o)||(o=[o]),d||(d=l);const a=new hd(o),n=new sd(this.store,this.pieceLength);Yr(a,n,t=>t?d(t):void(this._markAllVerified(),this._checkDone(),d(null)))}createServer(t){throw new Error("node.js-only method")}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const n=[].slice.call(arguments);n[0]=`[${this.client._debugId}] [${this._debugId}] ${n[0]}`,t(...n)}_drain(){if(this._debug("_drain numConns %s maxConns %s",this._numConns,this.client.maxConns),"function"!=typeof oe.connect||this.destroyed||this.paused||this._numConns>=this.client.maxConns)return;this._debug("drain (%s queued, %s/%s peers)",this._numQueued,this.numPeers,this.client.maxConns);const o=this._queue.shift();if(o){this._debug("tcp connect attempt to %s",o.addr);const e=mr(o.addr),t={host:e[0],port:e[1]},n=o.conn=oe.connect(t);n.once("connect",()=>{o.onConnect()}),n.once("error",e=>{o.destroy(e)}),o.startConnectTimeout(),n.on("close",()=>{if(!this.destroyed){if(o.retries>=r.length)return void this._debug("conn %s closed: will not re-add (max %s attempts)",o.addr,r.length);const e=r[o.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",o.addr,e,o.retries+1);const t=setTimeout(()=>{const e=this._addPeer(o.addr);e&&(e.retries=o.retries+1)},e);t.unref&&t.unref()}})}}_validAddr(o){let e;try{e=mr(o)}catch(e){return!1}const d=e[0],n=e[1];return 0<n&&65535>n&&("127.0.0.1"!==d||n!==this.client.torrentPort)}}}).call(this,pe,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global);var ra={};return function(d,e,t){const{EventEmitter:n}=m,r=jo("webtorrent"),l="0.107.0".replace(/\d*./g,t=>`0${t%100}`.slice(-2)).slice(0,4);class o extends n{constructor(n={}){super(),this.peerId="string"==typeof n.peerId?n.peerId:t.isBuffer(n.peerId)?n.peerId.toString("hex"):t.from(`-WW${l}-`+ur(9).toString("base64")).toString("hex"),this.peerIdBuffer=t.from(this.peerId,"hex"),this.nodeId="string"==typeof n.nodeId?n.nodeId:t.isBuffer(n.nodeId)?n.nodeId.toString("hex"):ur(20).toString("hex"),this.nodeIdBuffer=t.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=n.torrentPort||0,this.dhtPort=n.dhtPort||0,this.tracker=void 0===n.tracker?{}:n.tracker,this.torrents=[],this.maxConns=+n.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={}),n.rtcConfig&&(console.warn("WebTorrent: opts.rtcConfig is deprecated. Use opts.tracker.rtcConfig instead"),this.tracker.rtcConfig=n.rtcConfig),n.wrtc&&(console.warn("WebTorrent: opts.wrtc is deprecated. Use opts.tracker.wrtc instead"),this.tracker.wrtc=n.wrtc),e.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=e.WRTC)),d.nextTick(()=>{this._onListening()}),this._downloadSpeed=gr(),this._uploadSpeed=gr(),!1!==n.dht&&!1?(this.dht=new oe(Object.assign({},{nodeId:this.nodeId},n.dht)),this.dht.once("error",t=>{this._destroy(t)}),this.dht.once("listening",()=>{const t=this.dht.address();t&&(this.dhtPort=t.port)}),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==n.webSeeds;const r=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};d.nextTick(r)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const t=this.torrents.filter(t=>1!==t.progress);return t.reduce((n,e)=>n+e.downloaded,0)/(t.reduce((n,e)=>n+(e.length||0),0)||1)}get ratio(){return this.torrents.reduce((n,e)=>n+e.uploaded,0)/(this.torrents.reduce((n,e)=>n+e.received,0)||1)}get(t){if(!(t instanceof na)){let n;try{n=Zo(t)}catch(e){}if(!n)return null;if(!n.infoHash)throw new Error("Invalid torrent identifier");for(const t of this.torrents)if(t.infoHash===n.infoHash)return t}else if(this.torrents.includes(t))return t;return null}download(r,e,t){return console.warn("WebTorrent: client.download() is deprecated. Use client.add() instead"),this.add(r,e,t)}add(o,e={},d){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof e&&([e,d]=[{},e]);const a=()=>{if(!this.destroyed)for(const t of this.torrents)if(t.infoHash===i.infoHash&&t!==i)return void i._destroy(new Error(`Cannot add duplicate torrent ${i.infoHash}`))},r=()=>{this.destroyed||("function"==typeof d&&d(i),this.emit("torrent",i))};this._debug("add"),e=e?Object.assign({},e):{};const i=new na(o,this,e);return this.torrents.push(i),i.once("_infoHash",a),i.once("ready",r),i.once("close",function t(){i.removeListener("_infoHash",a),i.removeListener("ready",r),i.removeListener("close",t)}),i}seed(o,d,c){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof d&&([d,c]=[{},d]),this._debug("seed"),(d=d?Object.assign({},d):{}).skipVerify=!0;const u="string"==typeof o;u&&(d.path=pt.dirname(o)),d.createdBy||(d.createdBy=`WebTorrent/${l}`);const r=t=>{this._debug("on seed"),"function"==typeof c&&c(t),t.emit("seed"),this.emit("seed",t)},i=this.add(null,d,n=>{const e=[e=>u?e():void n.load(s,e)];this.dht&&e.push(e=>{n.once("dhtAnnounce",e)}),Oo(e,e=>{if(!this.destroyed)return e?n._destroy(e):void r(n)})});let s;return"undefined"!=typeof FileList&&o instanceof FileList?o=Array.from(o):Array.isArray(o)||(o=[o]),Oo(o.map(n=>e=>{(function(){return"object"==typeof n&&null!=n&&"function"==typeof n.pipe})()?q(n,e):e(null,n)}),(t,o)=>{if(!this.destroyed)return t?i._destroy(t):void Wo.parseInput(o,d,(t,e)=>{if(!this.destroyed){if(t)return i._destroy(t);s=e.map(t=>t.getStream),Wo(o,d,(r,e)=>{if(!this.destroyed){if(r)return i._destroy(r);const t=this.get(e);t?i._destroy(new Error(`Cannot add duplicate torrent ${t.infoHash}`)):i._onTorrentId(e)}})}})}),i}remove(n,e){if(this._debug("remove"),!this.get(n))throw new Error(`No torrent with id ${n}`);this._remove(n,e)}_remove(r,e){const t=this.get(r);t&&(this.torrents.splice(this.torrents.indexOf(t),1),t.destroy(e))}address(){return this.listening?this._tcpPool?this._tcpPool.server.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}destroy(t){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,t)}_destroy(r,e){this._debug("client destroy"),this.destroyed=!0;const t=this.torrents.map(n=>e=>{n.destroy(e)});this._tcpPool&&t.push(t=>{this._tcpPool.destroy(t)}),this.dht&&t.push(t=>{this.dht.destroy(t)}),Oo(t,e),r&&this.emit("error",r),this.torrents=[],this._tcpPool=null,this.dht=null}_onListening(){if(this._debug("listening"),this.listening=!0,this._tcpPool){const t=this._tcpPool.server.address();t&&(this.torrentPort=t.port)}this.emit("listening")}_debug(){const t=[].slice.call(arguments);t[0]=`[${this._debugId}] ${t[0]}`,r(...t)}}o.WEBRTC_SUPPORT=td.WEBRTC_SUPPORT,o.VERSION="0.107.0",ra=o}.call(this,pe,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,p({}).Buffer),ra});
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