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e=this.queue.shift(),t=this.stream;return this.buffered-=this.byteLength(e),0===this.buffered&&(t._duplexState&=66060287),e}end(e){"function"==typeof e?this.stream.once("finish",e):null!=e&&this.push(e),this.stream._duplexState=(this.stream._duplexState|T)&I}autoBatch(e,t){const n=[],i=this.stream;for(n.push(e);(i._duplexState&D)===H;)n.push(i._writableState.shift());if(0!=(i._duplexState&U))return t(null);i._writev(n,t)}update(){const e=this.stream;for(;(e._duplexState&D)===x;){const t=this.shift();e._duplexState|=655360,e._write(t,this.afterWrite),e._duplexState&=66584575}0==(393216&e._duplexState)&&this.updateNonPrimary()}updateNonPrimary(){const e=this.stream;if((38928399&e._duplexState)===T)return e._duplexState=33554431&(e._duplexState|b),void 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z(this.stream,e,t),t&&this.stream.on("error",le),he(e))e._writableState.pipeline=this.pipeline,t&&e.on("error",le),e.on("finish",this.pipeline.finished.bind(this.pipeline));else{const t=this.pipeline.done.bind(this.pipeline,e),n=this.pipeline.done.bind(this.pipeline,e,null);e.on("error",t),e.on("close",n),e.on("finish",this.pipeline.finished.bind(this.pipeline))}e.on("drain",G.bind(this)),this.stream.emit("piping",e),e.emit("pipe",this.stream)}push(e){const t=this.stream;return null===e?(this.highWaterMark=0,t._duplexState=67043295&(t._duplexState|f),!1):(null!==this.map&&(e=this.map(e)),this.buffered+=this.byteLength(e),this.queue.push(e),t._duplexState=67043327&(t._duplexState|u),this.buffered<this.highWaterMark)}shift(){const e=this.queue.shift();return this.buffered-=this.byteLength(e),0===this.buffered&&(this.stream._duplexState&=67100543),e}unshift(e){let t;const n=[];for(;void 0!==(t=this.queue.shift());)n.push(t);this.push(e);for(let e=0;e<n.length;e++)this.queue.push(n[e])}read(){const e=this.stream;if((16527&e._duplexState)===u){const t=this.shift();return null!==this.pipeTo&&!1===this.pipeTo.write(t)&&(e._duplexState&=w),0!=(e._duplexState&p)&&e.emit("data",t),t}return null}drain(){const e=this.stream;for(;(16527&e._duplexState)===u&&0!=(768&e._duplexState);){const t=this.shift();null!==this.pipeTo&&!1===this.pipeTo.write(t)&&(e._duplexState&=w),0!=(e._duplexState&p)&&e.emit("data",t)}}update(){const e=this.stream;for(this.drain();this.buffered<this.highWaterMark&&0==(82975&e._duplexState);)e._duplexState|=65616,e._read(this.afterRead),e._duplexState&=67108799,0==(e._duplexState&l)&&this.drain();4224==(12431&e._duplexState)&&(e._duplexState|=m,e.emit("readable")),0==(48&e._duplexState)&&this.updateNonPrimary()}updateNonPrimary(){const e=this.stream;(1167&e._duplexState)===f&&(e._duplexState=67107839&(e._duplexState|_),e.emit("end"),(e._duplexState&N)===O&&(e._duplexState|=4),null!==this.pipeTo&&this.pipeTo.end()),4!=(e._duplexState&B)?1==(e._duplexState&j)&&(e._duplexState=(e._duplexState|R)&c,e._open(Q.bind(this))):0==(e._duplexState&M)&&(e._duplexState|=R,e._destroy(K.bind(this)))}updateNextTick(){0==(this.stream._duplexState&y)&&(this.stream._duplexState|=y,o(this.afterUpdateNextTick))}}class W{constructor(e){this.data=null,this.afterTransform=ee.bind(e),this.afterFinal=null}}class z{constructor(e,t,n){this.from=e,this.to=t,this.afterPipe=n,this.error=null,this.pipeToFinished=!1}finished(){this.pipeToFinished=!0}done(e,t){t&&(this.error=t),e!==this.to||(this.to=null,null===this.from)?e!==this.from||(this.from=null,null===this.to)?(null!==this.afterPipe&&this.afterPipe(this.error),this.to=this.from=this.afterPipe=null):0==(e._duplexState&_)&&this.to.destroy(this.error||new Error("Readable stream closed before 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Y(e){e&&this.stream.destroy(e),this.stream._duplexState&=67108847,0==(64&this.stream._duplexState)&&this.update()}function J(){this.stream._duplexState&=67076079,this.update()}function X(){this.stream._duplexState&=50200575,this.update()}function Q(e){const t=this.stream;e&&t.destroy(e),0==(4&t._duplexState)&&(0==(17423&t._duplexState)&&(t._duplexState|=32),0==(37748751&t._duplexState)&&(t._duplexState|=v),t.emit("open")),t._duplexState&=L,null!==t._writableState&&t._writableState.update(),null!==t._readableState&&t._readableState.update()}function ee(e,t){null!=t&&this.push(t),this._writableState.afterWrite(e)}class te extends i{constructor(e){super(),this._duplexState=0,this._readableState=null,this._writableState=null,e&&(e.open&&(this._open=e.open),e.destroy&&(this._destroy=e.destroy),e.predestroy&&(this._predestroy=e.predestroy),e.signal&&e.signal.addEventListener("abort",ue.bind(this)))}_open(e){e(null)}_destroy(e){e(null)}_predestroy(){}get readable(){return null!==this._readableState||void 0}get writable(){return null!==this._writableState||void 0}get destroyed(){return 0!=(8&this._duplexState)}get destroying(){return 0!=(this._duplexState&B)}destroy(e){0==(this._duplexState&B)&&(e||(e=r),this._duplexState=66846687&(4|this._duplexState),null!==this._readableState&&(this._readableState.error=e),null!==this._writableState&&(this._writableState.error=e),this._duplexState|=2,this._predestroy(),this._duplexState&=67108861,null!==this._readableState&&this._readableState.updateNextTick(),null!==this._writableState&&this._writableState.updateNextTick())}on(e,t){return null!==this._readableState&&("data"===e&&(this._duplexState|=2304,this._readableState.updateNextTick()),"readable"===e&&(this._duplexState|=g,this._readableState.updateNextTick())),null!==this._writableState&&"drain"===e&&(this._duplexState|=C,this._writableState.updateNextTick()),super.on(e,t)}}class ne extends te{constructor(e){super(e),this._duplexState|=4194305,this._readableState=new $(this,e),e&&(e.read&&(this._read=e.read),e.eagerOpen&&this.resume().pause())}_read(e){e(null)}pipe(e,t){return this._readableState.pipe(e,t),this._readableState.updateNextTick(),e}read(){return this._readableState.updateNextTick(),this._readableState.read()}push(e){return this._readableState.updateNextTick(),this._readableState.push(e)}unshift(e){return this._readableState.updateNextTick(),this._readableState.unshift(e)}resume(){return this._duplexState|=d,this._readableState.updateNextTick(),this}pause(){return this._duplexState&=67108607,this}static _fromAsyncIterator(e,t){let n;const i=new ne({...t,read(t){e.next().then(r).then(t.bind(null,null)).catch(t)},predestroy(){n=e.return()},destroy(e){if(!n)return e(null);n.then(e.bind(null,null)).catch(e)}});return i;function r(e){e.done?i.push(null):i.push(e.value)}}static from(e,t){if(he(n=e)&&n.readable)return e;var n;if(e[F])return 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Uint8Array([0,0,0,1,3]),w=[0,0,0,0,0,0,0,0],b=[0,0,0,3,9,0,0],v=new Uint8Array([0,0,0,1,14]),k=new Uint8Array([0,0,0,1,15]),x=new Uint8Array([0,0,0,0,0,0,0,0]),E=new Uint8Array([0,0,1,2]),S=new Uint8Array([0,0,0,2]);function C(e,t){for(let n=e.length;n--;)e[n]^=t[n];return e}class A{constructor(e,t,n,i){this.piece=e,this.offset=t,this.length=n,this.callback=i}}class T{constructor(){this.buffer=new Uint8Array}get(e){return!0}set(e){}}class P extends h.Duplex{constructor(e=null,t=0,n=!1){super(),this._debugId=(0,c.oc)((0,c.O6)(4)),this._debug("new wire"),this.peerId=null,this.peerIdBuffer=null,this.type=e,this.amChoking=!0,this.amInterested=!1,this.peerChoking=!0,this.peerInterested=!1,this.peerPieces=new r.Z(0,{grow:4e5}),this.extensions={},this.peerExtensions={},this.requests=[],this.peerRequests=[],this.extendedMapping={},this.peerExtendedMapping={},this.extendedHandshake={},this.peerExtendedHandshake={},this.hasFast=!1,this.allowedFastSet=[],this.peerAllowedFastSet=[],this._ext={},this._nextExt=1,this.uploaded=0,this.downloaded=0,this.uploadSpeed=l(),this.downloadSpeed=l(),this._keepAliveInterval=null,this._timeout=null,this._timeoutMs=0,this._timeoutExpiresAt=null,this._finished=!1,this._parserSize=0,this._parser=null,this._buffer=[],this._bufferSize=0,this._peEnabled=n,n?(this._dh=s.createDiffieHellman("ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a36210000000000090563","hex",2),this._myPubKey=this._dh.generateKeys("hex")):this._myPubKey=null,this._peerPubKey=null,this._sharedSecret=null,this._peerCryptoProvide=[],this._cryptoHandshakeDone=!1,this._cryptoSyncPattern=null,this._waitMaxBytes=null,this._encryptionMethod=null,this._encryptGenerator=null,this._decryptGenerator=null,this._setGenerators=!1,this.once("finish",(()=>this._onFinish())),this.on("finish",this._onFinish),this._debug("type:",this.type),"tcpIncoming"===this.type&&this._peEnabled?this._determineHandshakeType():"tcpOutgoing"===this.type&&this._peEnabled&&0===t?this._parsePe2():this._parseHandshake(null)}setKeepAlive(e){this._debug("setKeepAlive %s",e),clearInterval(this._keepAliveInterval),!1!==e&&(this._keepAliveInterval=setInterval((()=>{this.keepAlive()}),55e3))}setTimeout(e,t){this._debug("setTimeout ms=%d unref=%s",e,t),this._timeoutMs=e,this._timeoutUnref=!!t,this._resetTimeout(!0)}destroy(){if(!this.destroyed)return this._debug("destroy"),this.end(),this}end(e){if(!this.destroyed&&!this.destroying)return this._debug("end"),this._onUninterested(),this._onChoke(),super.end(e)}use(e){const t=e.prototype.name;if(!t)throw new Error('Extension class requires a "name" property on the prototype');this._debug("use extension.name=%s",t);const n=this._nextExt,i=new e(this);function r(){}"function"!=typeof i.onHandshake&&(i.onHandshake=r),"function"!=typeof i.onExtendedHandshake&&(i.onExtendedHandshake=r),"function"!=typeof i.onMessage&&(i.onMessage=r),this.extendedMapping[n]=t,this._ext[t]=i,this[t]=i,this._nextExt+=1}keepAlive(){this._debug("keep-alive"),this._push(p)}sendPe1(){if(this._peEnabled){const e=Math.floor(513*Math.random()),t=(0,c.O6)(e);this._push((0,c.zo)([(0,c._0)(this._myPubKey),t]))}}sendPe2(){const e=Math.floor(513*Math.random()),t=(0,c.O6)(e);this._push((0,c.zo)([(0,c._0)(this._myPubKey),t]))}async sendPe3(e){await this.setEncrypt(this._sharedSecret,e);const t=await(0,c.vp)((0,c._0)(this._utfToHex("req1")+this._sharedSecret)),n=C(await(0,c.vp)((0,c._0)(this._utfToHex("req2")+e)),await(0,c.vp)((0,c._0)(this._utfToHex("req3")+this._sharedSecret))),i=new DataView((0,c.O6)(2).buffer).getUint16(0)%512,r=(0,c.O6)(i);let s=new Uint8Array(14+i+2);s.set(x),s.set(E,8);const o=new DataView(s.buffer);o.setInt16(12,i),r.copy(s,14),o.setInt16(14+i,0),s=this._encryptHandshake(s),this._push((0,c.zo)([t,n,s]))}async sendPe4(e){await this.setEncrypt(this._sharedSecret,e);const t=new DataView((0,c.O6)(2).buffer).getUint16(0)%512,n=(0,c.O6)(t);let i=new Uint8Array(14+t);const r=new DataView(i.buffer);i.set(x),i.set(S,8),r.setInt16(12,t),i.set(n,14),i=this._encryptHandshake(i),this._push(i),this._cryptoHandshakeDone=!0,this._debug("completed crypto handshake")}handshake(e,t,n){let i,r;if("string"==typeof e?(e=e.toLowerCase(),i=(0,c._0)(e)):(i=e,e=(0,c.oc)(i)),"string"==typeof t?r=(0,c._0)(t):(r=t,t=(0,c.oc)(r)),this._infoHash=i,20!==i.length||20!==r.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,n);const s=new Uint8Array(w);this.extensions={extended:!0,dht:!(!n||!n.dht),fast:!(!n||!n.fast)},s[5]|=16,this.extensions.dht&&(s[7]|=1),this.extensions.fast&&(s[7]|=4),this.extensions.fast&&this.peerExtensions.fast&&(this._debug("fast extension is enabled"),this.hasFast=!0),this._push((0,c.zo)([f,s,i,r])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const e=Object.assign({},this.extendedHandshake);e.m={};for(const t in this.extendedMapping){const n=this.extendedMapping[t];e.m[n]=Number(t)}this.extended(0,i.Z.encode(e)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking)if(this.amChoking=!0,this._debug("choke"),this._push(g),this.hasFast){let e=0;for(;this.peerRequests.length>e;){const t=this.peerRequests[e];this.allowedFastSet.includes(t.piece)?++e:this.reject(t.piece,t.offset,t.length)}}else for(;this.peerRequests.length;)this.peerRequests.pop()}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(m))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(_))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(y))}have(e){this._debug("have %d",e),this._message(4,[e],null)}bitfield(e){this._debug("bitfield"),ArrayBuffer.isView(e)||(e=e.buffer),this._message(5,[],e)}request(e,t,n,i){return i||(i=()=>{}),this._finished?i(new Error("wire is closed")):!this.peerChoking||this.hasFast&&this.peerAllowedFastSet.includes(e)?(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new A(e,t,n,i)),this._timeout||this._resetTimeout(!0),void this._message(6,[e,t,n],null)):i(new Error("peer is choking"))}piece(e,t,n){this._debug("piece index=%d offset=%d",e,t),this._message(7,[e,t],n),this.uploaded+=n.length,this.uploadSpeed(n.length),this.emit("upload",n.length)}cancel(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(this._pull(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)}port(e){this._debug("port %d",e);const t=new Uint8Array(b);new DataView(t.buffer).setUint16(5,e),this._push(t)}suggest(e){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("suggest %d",e),this._message(13,[e],null)}haveAll(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-all"),this._push(v)}haveNone(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-none"),this._push(k)}reject(e,t,n){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("reject index=%d offset=%d length=%d",e,t,n),this._pull(this.peerRequests,e,t,n),this._message(16,[e,t,n],null)}allowedFast(e){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("allowed-fast %d",e),this.allowedFastSet.includes(e)||this.allowedFastSet.push(e),this._message(17,[e],null)}extended(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"!=typeof e)throw new Error(`Unrecognized extension: ${e}`);{const n=new Uint8Array([e]),r=ArrayBuffer.isView(t)?t:i.Z.encode(t);this._message(20,[],(0,c.zo)([n,r]))}}async setEncrypt(e,t){let n,i,r,s;switch(this.type){case"tcpIncoming":n=await(0,c.vp)((0,c._0)(this._utfToHex("keyB")+e+t)),r=await(0,c.vp)((0,c._0)(this._utfToHex("keyA")+e+t)),i=[];for(const e of n.values())i.push(e);s=[];for(const e of r.values())s.push(e);this._encryptGenerator=new a(i),this._decryptGenerator=new a(s);break;case"tcpOutgoing":n=await(0,c.vp)((0,c._0)(this._utfToHex("keyA")+e+t)),r=await(0,c.vp)((0,c._0)(this._utfToHex("keyB")+e+t)),i=[];for(const e of n.values())i.push(e);s=[];for(const e of r.values())s.push(e);this._encryptGenerator=new a(i),this._decryptGenerator=new a(s);break;default:return!1}for(let e=0;e<1024;e++)this._encryptGenerator.randomByte(),this._decryptGenerator.randomByte();return this._setGenerators=!0,!0}_message(e,t,n){const i=n?n.length:0,r=new Uint8Array(5+4*t.length),s=new DataView(r.buffer);s.setUint32(0,r.length+i-4),r[4]=e;for(let e=0;e<t.length;e++)s.setUint32(5+4*e,t[e]);this._push(r),n&&this._push(n)}_push(e){if(!this._finished)return 2===this._encryptionMethod&&this._cryptoHandshakeDone&&(e=this._encrypt(e)),this.push(e)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onPe1(e){this._peerPubKey=(0,c.oc)(e),this._sharedSecret=this._dh.computeSecret(this._peerPubKey,"hex","hex"),this.emit("pe1")}_onPe2(e){this._peerPubKey=(0,c.oc)(e),this._sharedSecret=this._dh.computeSecret(this._peerPubKey,"hex","hex"),this.emit("pe2")}async _onPe3(e){const t=await(0,c.oc)(this._utfToHex("req3")+this._sharedSecret),n=(0,c.oc)(C(t,e));this.emit("pe3",n)}_onPe3Encrypted(e,t){if(!(0,c.Dg)(e,x))return this._debug("Error: verification constant did not match"),void this.destroy();for(const e of t.values())0!==e&&this._peerCryptoProvide.push(e);this._peerCryptoProvide.includes(2)?this._encryptionMethod=2:(this._debug("Error: RC4 encryption method not provided by peer"),this.destroy())}_onPe4(e){this._encryptionMethod=e[3],E.includes(this._encryptionMethod)||(this._debug("Error: peer selected invalid crypto method"),this.destroy()),this._cryptoHandshakeDone=!0,this._debug("crypto handshake done"),this.emit("pe4")}_onHandshake(e,t,n){const i=(0,c.oc)(e),r=(0,c.oc)(t);this._debug("got handshake i=%s p=%s exts=%o",i,r,n),this.peerId=r,this.peerIdBuffer=t,this.peerExtensions=n,this.extensions.fast&&this.peerExtensions.fast&&(this._debug("fast extension is enabled"),this.hasFast=!0),this.emit("handshake",i,r,n);for(const e in this._ext)this._ext[e].onHandshake(i,r,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_onChoke(){if(this.peerChoking=!0,this._debug("got choke"),this.emit("choke"),!this.hasFast)for(;this.requests.length;)this._callback(this.requests.pop(),new Error("peer is choking"),null)}_onUnchoke(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")}_onInterested(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")}_onUninterested(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")}_onHave(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))}_onBitField(e){this.peerPieces=new r.Z(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(e,t,n){if(this.amChoking&&(!this.hasFast||!this.allowedFastSet.includes(e)))return void(this.hasFast&&this.reject(e,t,n));this._debug("got request index=%d offset=%d length=%d",e,t,n);const i=(i,s)=>{if(r===this._pull(this.peerRequests,e,t,n))return i?(this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,i.message),void(this.hasFast&&this.reject(e,t,n))):void this.piece(e,t,s)},r=new A(e,t,n,i);this.peerRequests.push(r),this.emit("request",e,t,n,i)}_onPiece(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(this._pull(this.requests,e,t,n.length),null,n),this.downloaded+=n.length,this.downloadSpeed(n.length),this.emit("download",n.length),this.emit("piece",e,t,n)}_onCancel(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),this._pull(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)}_onPort(e){this._debug("got port %d",e),this.emit("port",e)}_onSuggest(e){if(!this.hasFast)return this._debug("Error: got suggest whereas fast extension is disabled"),void this.destroy();this._debug("got suggest %d",e),this.emit("suggest",e)}_onHaveAll(){if(!this.hasFast)return this._debug("Error: got have-all whereas fast extension is disabled"),void this.destroy();this._debug("got have-all"),this.peerPieces=new T,this.emit("have-all")}_onHaveNone(){if(!this.hasFast)return this._debug("Error: got have-none whereas fast extension is disabled"),void this.destroy();this._debug("got have-none"),this.emit("have-none")}_onReject(e,t,n){if(!this.hasFast)return this._debug("Error: got reject whereas fast extension is disabled"),void this.destroy();this._debug("got reject index=%d offset=%d length=%d",e,t,n),this._callback(this._pull(this.requests,e,t,n),new Error("request was rejected"),null),this.emit("reject",e,t,n)}_onAllowedFast(e){if(!this.hasFast)return this._debug("Error: got allowed-fast whereas fast extension is disabled"),void this.destroy();this._debug("got allowed-fast %d",e),this.peerAllowedFastSet.includes(e)||this.peerAllowedFastSet.push(e),this.peerAllowedFastSet.length>100&&this.peerAllowedFastSet.shift(),this.emit("allowed-fast",e)}_onExtended(e,t){if(0===e){let e;try{e=i.Z.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!e)return;if(this.peerExtendedHandshake=e,"object"==typeof e.m)for(const t in e.m)this.peerExtendedMapping[t]=Number(e.m[t].toString());for(const 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[e]&&(e=this.extendedMapping[e],this._ext[e]&&this._ext[e].onMessage(t)),this._debug("got extended message ext=%s",e),this.emit("extended",e,t)}_onTimeout(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")}_write(e,t){if(2===this._encryptionMethod&&this._cryptoHandshakeDone&&(e=this._decrypt(e)),this._bufferSize+=e.length,this._buffer.push(e),this._buffer.length>1&&(this._buffer=[(0,c.zo)(this._buffer,this._bufferSize)]),this._cryptoSyncPattern){const t=this._buffer[0].indexOf(this._cryptoSyncPattern);if(-1!==t)this._buffer[0]=this._buffer[0].slice(t+this._cryptoSyncPattern.length),this._bufferSize-=t+this._cryptoSyncPattern.length,this._cryptoSyncPattern=null;else if(this._bufferSize+e.length>this._waitMaxBytes+this._cryptoSyncPattern.length)return this._debug("Error: could not resynchronize"),void this.destroy()}for(;this._bufferSize>=this._parserSize&&!this._cryptoSyncPattern;)if(0===this._parserSize)this._parser(new Uint8Array);else{const e=this._buffer[0];this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[e.slice(this._parserSize)]:[],this._parser(e.slice(0,this._parserSize))}t(null)}_callback(e,t,n){e&&(this._resetTimeout(!this.peerChoking&&!this._finished),e.callback(t,n))}_resetTimeout(e){if(!e||!this._timeoutMs||!this.requests.length)return clearTimeout(this._timeout),this._timeout=null,void(this._timeoutExpiresAt=null);const t=Date.now()+this._timeoutMs;if(this._timeout){if(t-this._timeoutExpiresAt<.05*this._timeoutMs)return;clearTimeout(this._timeout)}this._timeoutExpiresAt=t,this._timeout=setTimeout((()=>this._onTimeout()),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref()}_parse(e,t){this._parserSize=e,this._parser=t}_parseUntil(e,t){this._cryptoSyncPattern=e,this._waitMaxBytes=t}_onMessageLength(e){const t=new DataView(e.buffer,e.byteOffset,e.byteLength).getUint32(0);t>0?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(e){this._parse(4,this._onMessageLength);const t=new DataView(e.buffer,e.byteOffset,e.byteLength);switch(e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(t.getUint32(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(t.getUint32(1),t.getUint32(5),t.getUint32(9));case 7:return this._onPiece(t.getUint32(1),t.getUint32(5),e.slice(9));case 8:return this._onCancel(t.getUint32(1),t.getUint32(5),t.getUint32(9));case 9:return this._onPort(t.getUint16(1));case 13:return this._onSuggest(t.getUint32(1));case 14:return this._onHaveAll();case 15:return this._onHaveNone();case 16:return this._onReject(t.getUint32(1),t.getUint32(5),t.getUint32(9));case 17:return this._onAllowedFast(t.getUint32(1));case 20:return this._onExtended(e[1],e.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",e)}}_determineHandshakeType(){this._parse(1,(e=>{const t=e[0];19===t?this._parse(t+48,this._onHandshakeBuffer):this._parsePe1(e)}))}_parsePe1(e){this._parse(95,(t=>{this._onPe1((0,c.zo)([e,t])),this._parsePe3()}))}_parsePe2(){this._parse(96,(e=>{for(this._onPe2(e);!this._setGenerators;);this._parsePe4()}))}async _parsePe3(){const e=await(0,c.vp)((0,c._0)(this._utfToHex("req1")+this._sharedSecret));this._parseUntil(e,512),this._parse(20,(e=>{for(this._onPe3(e);!this._setGenerators;);this._parsePe3Encrypted()}))}_parsePe3Encrypted(){this._parse(14,(e=>{const t=this._decryptHandshake(e.slice(0,8)),n=this._decryptHandshake(e.slice(8,12)),i=new DataView(this._decryptHandshake(e.slice(12,14)).buffer).getUint16(0);this._parse(i,(e=>{e=this._decryptHandshake(e),this._parse(2,(i=>{const r=new DataView(this._decryptHandshake(i).buffer).getUint16(0);this._parse(r,(i=>{i=this._decryptHandshake(i),this._onPe3Encrypted(t,n,e,i);const s=r?i[0]:null,o=r?i.slice(1,20):null;19===s&&"BitTorrent protocol"===(0,c.vV)(o)?this._onHandshakeBuffer(i.slice(1)):this._parseHandshake()}))}))}))}))}_parsePe4(){const e=this._decryptHandshake(x);this._parseUntil(e,512),this._parse(6,(e=>{const t=this._decryptHandshake(e.slice(0,4)),n=new DataView(this._decryptHandshake(e.slice(4,6)).buffer).getUint16(0);this._parse(n,(e=>{this._decryptHandshake(e),this._onPe4(t),this._parseHandshake(null)}))}))}_parseHandshake(){this._parse(1,(e=>{const t=e[0];if(19!==t)return this._debug("Error: wire not speaking BitTorrent protocol (%s)",t.toString()),void this.end();this._parse(t+48,this._onHandshakeBuffer)}))}_onHandshakeBuffer(e){const t=e.slice(0,19);if("BitTorrent protocol"!==(0,c.vV)(t))return this._debug("Error: wire not speaking BitTorrent protocol (%s)",(0,c.vV)(t)),void 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n=0;n<e.length;n+=20)t.push((0,d.oc)(e.slice(n,n+20)));return t}(e.info.pieces),i}(e);if(e&&e.infoHash)return e.infoHash=e.infoHash.toLowerCase(),e.announce||(e.announce=[]),"string"==typeof e.announce&&(e.announce=[e.announce]),e.urlList||(e.urlList=[]),e;throw new Error("Invalid torrent identifier")}async function R(e,t,n){if("function"==typeof t)return R(e,{},t);if("function"!=typeof n)throw new Error("second argument must be a Function");let i;try{i=await I(e)}catch(e){}if(i&&i.infoHash)u((()=>{n(null,i)}));else if(r=e,"undefined"!=typeof Blob&&r instanceof Blob)try{s(new Uint8Array(await e.arrayBuffer()))}catch(e){return n(new Error(`Error converting Blob: ${e.message}`))}else if(/^https?:/.test(e))try{const n=await C(e,{headers:{"user-agent":"WebTorrent (https://webtorrent.io)"},signal:AbortSignal.timeout(3e4),...t});s(new Uint8Array(await n.arrayBuffer()))}catch(e){return n(new Error(`Error downloading torrent: ${e.message}`))}else"function"==typeof S.readFile&&"string"==typeof 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n=Array.from(t);1===n.length&&(e.xt=n[0]),n.length>1&&(e.xt=n),e.publicKeyBuffer&&(e.xs=`urn:btpk:${(0,d.oc)(e.publicKeyBuffer)}`),e.publicKey&&(e.xs=`urn:btpk:${e.publicKey}`),e.name&&(e.dn=e.name),e.keywords&&(e.kt=e.keywords),e.announce&&(e.tr=e.announce),e.urlList&&(e.ws=e.urlList,delete e.as),e.peerAddresses&&(e["x.pe"]=e.peerAddresses);let i="magnet:?";return Object.keys(e).filter((e=>2===e.length||"x.pe"===e)).forEach(((t,n)=>{const r=Array.isArray(e[t])?e[t]:[e[t]];var s;r.forEach(((e,r)=>{(n>0||r>0)&&("kt"!==t&&"so"!==t||0===r)&&(i+="&"),"dn"===t&&(e=encodeURIComponent(e).replace(/%20/g,"+")),"tr"!==t&&"as"!==t&&"ws"!==t||(e=encodeURIComponent(e)),"xs"!==t||e.startsWith("urn:btpk:")||(e=encodeURIComponent(e)),"kt"===t&&(e=encodeURIComponent(e)),"so"!==t&&(i+="kt"===t&&r>0?`+${e}`:`${t}=${e}`)})),"so"===t&&(i+=`${t}=${s=r,s.reduce(((e,t,n,i)=>(0!==n&&t===i[n-1]+1||e.push([]),e[e.length-1].push(t),e)),[]).map((e=>e.length>1?`${e[0]}-${e[e.length-1]}`:`${e[0]}`))}`)})),i};var N=r(5177),M=r(1237),j=r(2114);const H=k("simple-peer"),D=65536;function F(e){return e.replace(/a=ice-options:trickle\s\n/g,"")}class q extends M.Duplex{constructor(e){if(super(e=Object.assign({allowHalfOpen:!1},e)),this.__objectMode=!!e.objectMode,this._id=(0,d.oc)((0,d.O6)(4)).slice(0,7),this._debug("new peer %o",e),this.channelName=e.initiator?e.channelName||(0,d.oc)((0,d.O6)(20)):null,this.initiator=e.initiator||!1,this.channelConfig=e.channelConfig||q.channelConfig,this.channelNegotiated=this.channelConfig.negotiated,this.config=Object.assign({},q.config,e.config),this.offerOptions=e.offerOptions||{},this.answerOptions=e.answerOptions||{},this.sdpTransform=e.sdpTransform||(e=>e),this.streams=e.streams||(e.stream?[e.stream]:[]),this.trickle=void 0===e.trickle||e.trickle,this.allowHalfTrickle=void 0!==e.allowHalfTrickle&&e.allowHalfTrickle,this.iceCompleteTimeout=e.iceCompleteTimeout||5e3,this._destroying=!1,this._connected=!1,this.remoteAddress=void 0,this.remoteFamily=void 0,this.remotePort=void 0,this.localAddress=void 0,this.localFamily=void 0,this.localPort=void 0,this._wrtc=e.wrtc&&"object"==typeof e.wrtc?e.wrtc:N(),!this._wrtc)throw"undefined"==typeof window?j(new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"),"ERR_WEBRTC_SUPPORT"):j(new Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");this._pcReady=!1,this._channelReady=!1,this._iceComplete=!1,this._iceCompleteTimer=null,this._channel=null,this._pendingCandidates=[],this._isNegotiating=!1,this._firstNegotiation=!0,this._batchedNegotiation=!1,this._queuedNegotiation=!1,this._sendersAwaitingStable=[],this._senderMap=new Map,this._closingInterval=null,this._remoteTracks=[],this._remoteStreams=[],this._chunk=null,this._cb=null,this._interval=null;try{this._pc=new this._wrtc.RTCPeerConnection(this.config)}catch(e){return void this.__destroy(j(e,"ERR_PC_CONSTRUCTOR"))}this._isReactNativeWebrtc="number"==typeof this._pc._peerConnectionId,this._pc.oniceconnectionstatechange=()=>{this._onIceStateChange()},this._pc.onicegatheringstatechange=()=>{this._onIceStateChange()},this._pc.onconnectionstatechange=()=>{this._onConnectionStateChange()},this._pc.onsignalingstatechange=()=>{this._onSignalingStateChange()},this._pc.onicecandidate=e=>{this._onIceCandidate(e)},"object"==typeof this._pc.peerIdentity&&this._pc.peerIdentity.catch((e=>{this.__destroy(j(e,"ERR_PC_PEER_IDENTITY"))})),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=e=>{this._setupData(e)},this.streams&&this.streams.forEach((e=>{this.addStream(e)})),this._pc.ontrack=e=>{this._onTrack(e)},this._debug("initial negotiation"),this._needsNegotiation(),this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}get bufferSize(){return this._channel&&this._channel.bufferedAmount||0}get connected(){return this._connected&&"open"===this._channel.readyState}address(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}signal(e){if(!this._destroying){if(this.destroyed)throw j(new Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if("string"==typeof e)try{e=JSON.parse(e)}catch(t){e={}}this._debug("signal()"),e.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),e.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(e.transceiverRequest.kind,e.transceiverRequest.init)),e.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(e.candidate):this._pendingCandidates.push(e.candidate)),e.sdp&&this._pc.setRemoteDescription(new this._wrtc.RTCSessionDescription(e)).then((()=>{this.destroyed||(this._pendingCandidates.forEach((e=>{this._addIceCandidate(e)})),this._pendingCandidates=[],"offer"===this._pc.remoteDescription.type&&this._createAnswer())})).catch((e=>{this.__destroy(j(e,"ERR_SET_REMOTE_DESCRIPTION"))})),e.sdp||e.candidate||e.renegotiate||e.transceiverRequest||this.__destroy(j(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(e){const t=new this._wrtc.RTCIceCandidate(e);this._pc.addIceCandidate(t).catch((e=>{var n;!t.address||t.address.endsWith(".local")?(n="Ignoring unsupported ICE candidate.",console.warn(n)):this.__destroy(j(e,"ERR_ADD_ICE_CANDIDATE"))}))}send(e){if(!this._destroying){if(this.destroyed)throw j(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(e)}}addTransceiver(e,t){if(!this._destroying){if(this.destroyed)throw j(new Error("cannot addTransceiver after peer is destroyed"),"ERR_DESTROYED");if(this._debug("addTransceiver()"),this.initiator)try{this._pc.addTransceiver(e,t),this._needsNegotiation()}catch(e){this.__destroy(j(e,"ERR_ADD_TRANSCEIVER"))}else this.emit("signal",{type:"transceiverRequest",transceiverRequest:{kind:e,init:t}})}}addStream(e){if(!this._destroying){if(this.destroyed)throw j(new Error("cannot addStream after peer is destroyed"),"ERR_DESTROYED");this._debug("addStream()"),e.getTracks().forEach((t=>{this.addTrack(t,e)}))}}addTrack(e,t){if(this._destroying)return;if(this.destroyed)throw j(new Error("cannot addTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("addTrack()");const n=this._senderMap.get(e)||new Map;let i=n.get(t);if(i)throw i.removed?j(new Error("Track has been removed. You should enable/disable tracks that you want to re-add."),"ERR_SENDER_REMOVED"):j(new Error("Track has already been added to that stream."),"ERR_SENDER_ALREADY_ADDED");i=this._pc.addTrack(e,t),n.set(t,i),this._senderMap.set(e,n),this._needsNegotiation()}replaceTrack(e,t,n){if(this._destroying)return;if(this.destroyed)throw j(new Error("cannot replaceTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("replaceTrack()");const i=this._senderMap.get(e),r=i?i.get(n):null;if(!r)throw j(new Error("Cannot replace track that was never added."),"ERR_TRACK_NOT_ADDED");t&&this._senderMap.set(t,i),null!=r.replaceTrack?r.replaceTrack(t):this.__destroy(j(new Error("replaceTrack is not supported in this browser"),"ERR_UNSUPPORTED_REPLACETRACK"))}removeTrack(e,t){if(this._destroying)return;if(this.destroyed)throw j(new Error("cannot removeTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSender()");const n=this._senderMap.get(e),i=n?n.get(t):null;if(!i)throw j(new Error("Cannot remove track that was never added."),"ERR_TRACK_NOT_ADDED");try{i.removed=!0,this._pc.removeTrack(i)}catch(e){"NS_ERROR_UNEXPECTED"===e.name?this._sendersAwaitingStable.push(i):this.__destroy(j(e,"ERR_REMOVE_TRACK"))}this._needsNegotiation()}removeStream(e){if(!this._destroying){if(this.destroyed)throw j(new Error("cannot removeStream after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSenders()"),e.getTracks().forEach((t=>{this.removeTrack(t,e)}))}}_needsNegotiation(){this._debug("_needsNegotiation"),this._batchedNegotiation||(this._batchedNegotiation=!0,u((()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1})))}negotiate(){if(!this._destroying){if(this.destroyed)throw j(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout((()=>{this._createOffer()}),0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}_final(e){this._readableState.ended||this.push(null),e(null)}__destroy(e){this.end(),this._destroy((()=>{}),e)}_destroy(e,t){this.destroyed||this._destroying||(this._destroying=!0,this._debug("destroying (error: %s)",t&&(t.message||t)),setTimeout((()=>{if(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(e){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(e){}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,t&&this.emit("error",t),e()}),0))}_setupData(e){if(!e.channel)return this.__destroy(j(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=e.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=D),this.channelName=this._channel.label,this._channel.onmessage=e=>{this._onChannelMessage(e)},this._channel.onbufferedamountlow=()=>{this._onChannelBufferedAmountLow()},this._channel.onopen=()=>{this._onChannelOpen()},this._channel.onclose=()=>{this._onChannelClose()},this._channel.onerror=e=>{const t=e.error instanceof Error?e.error:new Error(`Datachannel error: ${e.message} ${e.filename}:${e.lineno}:${e.colno}`);this.__destroy(j(t,"ERR_DATA_CHANNEL"))};let t=!1;this._closingInterval=setInterval((()=>{this._channel&&"closing"===this._channel.readyState?(t&&this._onChannelClose(),t=!0):t=!1}),5e3)}_write(e,t){if(this.destroyed)return t(j(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(e)}catch(e){return this.__destroy(j(e,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>D?(this._debug("start backpressure: bufferedAmount %d",this._channel.bufferedAmount),this._cb=t):t(null)}else this._debug("write before connect"),this._chunk=e,this._cb=t}_onFinish(){if(this.destroyed)return;const e=()=>{setTimeout((()=>this.__destroy()),1e3)};this._connected?e():this.once("connect",e)}_startIceCompleteTimeout(){this.destroyed||this._iceCompleteTimer||(this._debug("started iceComplete timeout"),this._iceCompleteTimer=setTimeout((()=>{this._iceComplete||(this._iceComplete=!0,this._debug("iceComplete timeout completed"),this.emit("iceTimeout"),this.emit("_iceComplete"))}),this.iceCompleteTimeout))}_createOffer(){this.destroyed||this._pc.createOffer(this.offerOptions).then((e=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(e.sdp=F(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:t.type,sdp:t.sdp})};this._pc.setLocalDescription(e).then((()=>{this._debug("createOffer success"),this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))})).catch((e=>{this.__destroy(j(e,"ERR_SET_LOCAL_DESCRIPTION"))}))})).catch((e=>{this.__destroy(j(e,"ERR_CREATE_OFFER"))}))}_requestMissingTransceivers(){this._pc.getTransceivers&&this._pc.getTransceivers().forEach((e=>{e.mid||!e.sender.track||e.requested||(e.requested=!0,this.addTransceiver(e.sender.track.kind))}))}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then((e=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(e.sdp=F(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:t.type,sdp:t.sdp}),this.initiator||this._requestMissingTransceivers()};this._pc.setLocalDescription(e).then((()=>{this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))})).catch((e=>{this.__destroy(j(e,"ERR_SET_LOCAL_DESCRIPTION"))}))})).catch((e=>{this.__destroy(j(e,"ERR_CREATE_ANSWER"))}))}_onConnectionStateChange(){this.destroyed||this._destroying||"failed"===this._pc.connectionState&&this.__destroy(j(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const e=this._pc.iceConnectionState,t=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",e,t),this.emit("iceStateChange",e,t),"connected"!==e&&"completed"!==e||(this._pcReady=!0,this._maybeReady()),"failed"===e&&this.__destroy(j(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===e&&this.__destroy(j(new Error("Ice connection closed."),"ERR_ICE_CONNECTION_CLOSED"))}getStats(e){const t=e=>("[object Array]"===Object.prototype.toString.call(e.values)&&e.values.forEach((t=>{Object.assign(e,t)})),e);0===this._pc.getStats.length||this._isReactNativeWebrtc?this._pc.getStats().then((n=>{const i=[];n.forEach((e=>{i.push(t(e))})),e(null,i)}),(t=>e(t))):this._pc.getStats.length>0?this._pc.getStats((n=>{if(this.destroyed)return;const i=[];n.result().forEach((e=>{const n={};e.names().forEach((t=>{n[t]=e.stat(t)})),n.id=e.id,n.type=e.type,n.timestamp=e.timestamp,i.push(t(n))})),e(null,i)}),(t=>e(t))):e(null,[])}_maybeReady(){if(this._debug("maybeReady pc %s channel %s",this._pcReady,this._channelReady),this._connected||this._connecting||!this._pcReady||!this._channelReady)return;this._connecting=!0;const e=()=>{this.destroyed||this._destroying||this.getStats(((t,n)=>{if(this.destroyed||this._destroying)return;t&&(n=[]);const i={},r={},s={};let o=!1;n.forEach((e=>{"remotecandidate"!==e.type&&"remote-candidate"!==e.type||(i[e.id]=e),"localcandidate"!==e.type&&"local-candidate"!==e.type||(r[e.id]=e),"candidatepair"!==e.type&&"candidate-pair"!==e.type||(s[e.id]=e)}));const a=e=>{o=!0;let t=r[e.localCandidateId];t&&(t.ip||t.address)?(this.localAddress=t.ip||t.address,this.localPort=Number(t.port)):t&&t.ipAddress?(this.localAddress=t.ipAddress,this.localPort=Number(t.portNumber)):"string"==typeof e.googLocalAddress&&(t=e.googLocalAddress.split(":"),this.localAddress=t[0],this.localPort=Number(t[1])),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let n=i[e.remoteCandidateId];n&&(n.ip||n.address)?(this.remoteAddress=n.ip||n.address,this.remotePort=Number(n.port)):n&&n.ipAddress?(this.remoteAddress=n.ipAddress,this.remotePort=Number(n.portNumber)):"string"==typeof e.googRemoteAddress&&(n=e.googRemoteAddress.split(":"),this.remoteAddress=n[0],this.remotePort=Number(n[1])),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4"),this._debug("connect local: %s:%s remote: %s:%s",this.localAddress,this.localPort,this.remoteAddress,this.remotePort)};if(n.forEach((e=>{"transport"===e.type&&e.selectedCandidatePairId&&a(s[e.selectedCandidatePairId]),("googCandidatePair"===e.type&&"true"===e.googActiveConnection||("candidatepair"===e.type||"candidate-pair"===e.type)&&e.selected)&&a(e)})),o||Object.keys(s).length&&!Object.keys(r).length){if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(t){return this.__destroy(j(t,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug('sent chunk from "write before connect"');const e=this._cb;this._cb=null,e(null)}"number"!=typeof this._channel.bufferedAmountLowThreshold&&(this._interval=setInterval((()=>this._onInterval()),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}else setTimeout(e,100)}))};e()}_onInterval(){!this._cb||!this._channel||this._channel.bufferedAmount>D||this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||("stable"===this._pc.signalingState&&(this._isNegotiating=!1,this._debug("flushing sender queue",this._sendersAwaitingStable),this._sendersAwaitingStable.forEach((e=>{this._pc.removeTrack(e),this._queuedNegotiation=!0})),this._sendersAwaitingStable=[],this._queuedNegotiation?(this._debug("flushing negotiation queue"),this._queuedNegotiation=!1,this._needsNegotiation()):(this._debug("negotiated"),this.emit("negotiated"))),this._debug("signalingStateChange %s",this._pc.signalingState),this.emit("signalingStateChange",this._pc.signalingState))}_onIceCandidate(e){this.destroyed||(e.candidate&&this.trickle?this.emit("signal",{type:"candidate",candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}}):e.candidate||this._iceComplete||(this._iceComplete=!0,this.emit("_iceComplete")),e.candidate&&this._startIceCompleteTimeout())}_onChannelMessage(e){if(this.destroyed)return;let t=e.data;t instanceof ArrayBuffer?t=new Uint8Array(t):!1===this.__objectMode&&(t=(0,d.gR)(t)),this.push(t)}_onChannelBufferedAmountLow(){if(this.destroyed||!this._cb)return;this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);const e=this._cb;this._cb=null,e(null)}_onChannelOpen(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())}_onChannelClose(){this.destroyed||(this._debug("on channel close"),this.__destroy())}_onTrack(e){this.destroyed||e.streams.forEach((t=>{this._debug("on track"),this.emit("track",e.track,t),this._remoteTracks.push({track:e.track,stream:t}),this._remoteStreams.some((e=>e.id===t.id))||(this._remoteStreams.push(t),u((()=>{this._debug("on stream"),this.emit("stream",t)})))}))}_debug(){const e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],H.apply(null,e)}}q.WEBRTC_SUPPORT=!!N(),q.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},q.channelConfig={};const $=q;var W=r(1463),z=r(558),G=r(8302),V=r(2203),K=r(1494),Z=r(5381);const Y=/^\[?([^\]]+)]?:(\d+)$/;let J=new Map;function X(e){if(1e5===J.size&&J.clear(),!J.has(e)){const t=Y.exec(e);if(!t)throw new Error(`invalid addr: ${e}`);J.set(e,[t[1],Number(t[2])])}return J.get(e)}var Q=r(8205),ee=r(9421);async function*te(e,t={}){if(e?.[Symbol.asyncIterator])return void(yield*e[Symbol.asyncIterator](t.offset));if(!e?.get)throw new Error("First argument must be an abstract-chunk-store compliant store");const n=t.chunkLength||e.chunkLength;if(!n)throw new Error("missing required `chunkLength` property");let i=t.length||e.length;if(!Number.isFinite(i))throw new Error("missing required `length` property");const r=t.offset||0,s=(t,n,i)=>new Promise(((r,s)=>{e.get(t,{offset:i,length:n},((e,t)=>{e&&s(e),r(t)}))}));let o=Math.floor(r/n);const a=r%n;if(r){const e=Math.min(i,n-a);i-=e,yield s(o++,e,a)}for(let e=i;e>0;++o,e-=n)yield s(o,Math.min(e,n))}async function ne(e,t,n={}){if(!e?.put)throw new Error("First argument must be an abstract-chunk-store compliant store");const r=n.chunkLength||e.chunkLength;if(!r)throw new Error("missing required `chunkLength` property");const s=n.storeMaxOutstandingPuts||16;let o=0,a=0,h=()=>{},c=!1;for await(const l of i(t,r,{zeroPadding:n.zeroPadding||!1}))await new Promise((t=>{o++<=s&&t(),e.put(a++,l,(e=>{if(e)throw e;--o,t(),c&&0===o&&h()}))}));0!==o&&(c=new Promise((e=>{h=e})),await c)}var ie=r(9648),re=r(1018),se=r(778),oe=r(8411);const ae={DEFAULT_ANNOUNCE_PEERS:50,MAX_ANNOUNCE_PEERS:82,parseUrl:e=>{const t=new URL(e.replace(/^udp:/,"http:"));return e.match(/^udp:/)&&Object.defineProperties(t,{href:{value:t.href.replace(/^http/,"udp")},protocol:{value:t.protocol.replace(/^http/,"udp")},origin:{value:t.origin.replace(/^http/,"udp")}}),t},...r.t(oe,2)};var he=r(1857),ce=r(159),le=r(6313),ue=r(9356);const de=k("simple-websocket"),fe="function"!=typeof ue?WebSocket:ue;class pe extends M.Duplex{constructor(e={}){if("string"==typeof e&&(e={url:e}),super(e=Object.assign({allowHalfOpen:!1},e)),this.__objectMode=!!e.objectMode,null!=e.objectMode&&delete e.objectMode,null==e.url&&null==e.socket)throw new Error("Missing required `url` or `socket` option");if(null!=e.url&&null!=e.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=(0,d.oc)((0,d.O6)(4)).slice(0,7),this._debug("new websocket: %o",e),this.connected=!1,this._chunk=null,this._cb=null,this._interval=null,e.socket)this.url=e.socket.url,this._ws=e.socket,this.connected=e.socket.readyState===fe.OPEN;else{this.url=e.url;try{this._ws="function"==typeof ue?new fe(e.url,{...e,encoding:void 0}):new fe(e.url)}catch(e){return void u((()=>this.destroy(e)))}}this._ws.binaryType="arraybuffer",e.socket&&this.connected?u((()=>this._handleOpen())):this._ws.onopen=()=>this._handleOpen(),this._ws.onmessage=e=>this._handleMessage(e),this._ws.onclose=()=>this._handleClose(),this._ws.onerror=e=>this._handleError(e),this._handleFinishBound=()=>this._handleFinish(),this.once("finish",this._handleFinishBound)}send(e){this._ws.send(e)}_final(e){this._readableState.ended||this.push(null),e(null)}_destroy(e){if(!this.destroyed){if(this._writableState.ended||this.end(),this.connected=!1,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._handleFinishBound&&this.removeListener("finish",this._handleFinishBound),this._handleFinishBound=null,this._ws){const e=this._ws,t=()=>{e.onclose=null};if(e.readyState===fe.CLOSED)t();else try{e.onclose=t,e.close()}catch(e){t()}e.onopen=null,e.onmessage=null,e.onerror=()=>{}}this._ws=null,e()}}_write(e,t){if(this.destroyed)return t(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(e)}catch(e){return this.destroy(e)}"function"!=typeof ue&&this._ws.bufferedAmount>65536?(this._debug("start backpressure: bufferedAmount %d",this._ws.bufferedAmount),this._cb=t):t(null)}else this._debug("write before connect"),this._chunk=e,this._cb=t}_handleOpen(){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 e=this._cb;this._cb=null,e(null)}"function"!=typeof ue&&(this._interval=setInterval((()=>this._onInterval()),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}}_handleMessage(e){if(this.destroyed)return;let t=e.data;t instanceof ArrayBuffer&&(t=new Uint8Array(t)),!1===this.__objectMode&&(t=(0,d.gR)(t)),this.push(t)}_handleClose(){this.destroyed||(this._debug("on close"),this.destroy())}_handleError(e){this.destroy(new Error(`Error connecting to ${this.url}`))}_handleFinish(){if(this.destroyed)return;const e=()=>{setTimeout((()=>this.destroy()),1e3)};this.connected?e():this.once("connect",e)}_onInterval(){if(!this._cb||!this._ws||this._ws.bufferedAmount>65536)return;this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);const e=this._cb;this._cb=null,e(null)}_debug(){const e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],de.apply(null,e)}}pe.WEBSOCKET_SUPPORT=!!fe;var ge=r(9354);const me=class extends e{constructor(e,t){super(),this.client=e,this.announceUrl=t,this.interval=null,this.destroyed=!1}setInterval(e){null==e&&(e=this.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(this.interval),e&&(this.interval=setInterval((()=>{this.announce(this.client._defaultAnnounceOpts())}),e),this.interval.unref&&this.interval.unref())}},_e=k("bittorrent-tracker:websocket-tracker"),ye={};class we extends me{constructor(e,t){super(e,t),_e("new websocket tracker %s",t),this.peers={},this.socket=null,this.reconnecting=!1,this.retries=0,this.reconnectTimer=null,this.expectingResponse=!1,this._openSocket()}announce(e){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",(()=>{this.announce(e)}));const t=Object.assign({},e,{action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary});if(this._trackerId&&(t.trackerid=this._trackerId),"stopped"===e.event||"completed"===e.event)this._send(t);else{const n=Math.min(e.numwant,5);this._generateOffers(n,(e=>{t.numwant=n,t.offers=e,this._send(t)}))}}scrape(e){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",(()=>{this.scrape(e)}));const t={action:"scrape",info_hash:Array.isArray(e.infoHash)&&e.infoHash.length>0?e.infoHash.map((e=>(0,d.E)(e))):e.infoHash&&(0,d.E)(e.infoHash)||this.client._infoHashBinary};this._send(t)}destroy(e=be){if(this.destroyed)return e(null);this.destroyed=!0,clearInterval(this.interval),clearTimeout(this.reconnectTimer);for(const e in this.peers){const t=this.peers[e];clearTimeout(t.trackerTimeout),t.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,ye[this.announceUrl]&&(ye[this.announceUrl].consumers-=1),ye[this.announceUrl].consumers>0)return e();let t,n=ye[this.announceUrl];if(delete ye[this.announceUrl],n.on("error",be),n.once("close",e),!this.expectingResponse)return i();function i(){t&&(clearTimeout(t),t=null),n.removeListener("data",i),n.destroy(),n=null}t=setTimeout(i,oe.DESTROY_TIMEOUT),n.once("data",i)}_openSocket(){if(this.destroyed=!1,this.peers||(this.peers={}),this._onSocketConnectBound=()=>{this._onSocketConnect()},this._onSocketErrorBound=e=>{this._onSocketError(e)},this._onSocketDataBound=e=>{this._onSocketData(e)},this._onSocketCloseBound=()=>{this._onSocketClose()},this.socket=ye[this.announceUrl],this.socket)ye[this.announceUrl].consumers+=1,this.socket.connected&&this._onSocketConnectBound();else{const e=new URL(this.announceUrl);let t;this.client._proxyOpts&&(t="wss:"===e.protocol?this.client._proxyOpts.httpsAgent:this.client._proxyOpts.httpAgent,!t&&this.client._proxyOpts.socksProxy&&(t=new ge.Agent(le(this.client._proxyOpts.socksProxy),"wss:"===e.protocol))),this.socket=ye[this.announceUrl]=new pe({url:this.announceUrl,agent:t}),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(e){if(!this.destroyed){this.expectingResponse=!1;try{e=JSON.parse((0,d.vV)(e))}catch(e){return void this.client.emit("warning",new Error("Invalid tracker response"))}"announce"===e.action?this._onAnnounceResponse(e):"scrape"===e.action?this._onScrapeResponse(e):this._onSocketError(new Error(`invalid action in WS response: ${e.action}`))}}_onAnnounceResponse(e){if(e.info_hash!==this.client._infoHashBinary)return void _e("ignoring websocket data from %s for %s (looking for %s: reused socket)",this.announceUrl,(0,d.Ff)(e.info_hash),this.client.infoHash);if(e.peer_id&&e.peer_id===this.client._peerIdBinary)return;_e("received %s from %s for %s",JSON.stringify(e),this.announceUrl,this.client.infoHash);const t=e["failure reason"];if(t)return this.client.emit("warning",new Error(t));const n=e["warning message"];n&&this.client.emit("warning",new Error(n));const i=e.interval||e["min interval"];i&&this.setInterval(1e3*i);const r=e["tracker id"];if(r&&(this._trackerId=r),null!=e.complete){const t=Object.assign({},e,{announce:this.announceUrl,infoHash:(0,d.Ff)(e.info_hash)});this.client.emit("update",t)}let s;if(e.offer&&e.peer_id&&(_e("creating peer (from remote offer)"),s=this._createPeer(),s.id=(0,d.Ff)(e.peer_id),s.once("signal",(t=>{const n={action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary,to_peer_id:e.peer_id,answer:t,offer_id:e.offer_id};this._trackerId&&(n.trackerid=this._trackerId),this._send(n)})),this.client.emit("peer",s),s.signal(e.offer)),e.answer&&e.peer_id){const t=(0,d.Ff)(e.offer_id);s=this.peers[t],s?(s.id=(0,d.Ff)(e.peer_id),this.client.emit("peer",s),s.signal(e.answer),clearTimeout(s.trackerTimeout),s.trackerTimeout=null,delete this.peers[t]):_e(`got unexpected answer: ${JSON.stringify(e.answer)}`)}}_onScrapeResponse(e){e=e.files||{};const t=Object.keys(e);0!==t.length?t.forEach((t=>{const n=Object.assign(e[t],{announce:this.announceUrl,infoHash:(0,d.Ff)(t)});this.client.emit("scrape",n)})):this.client.emit("warning",new Error("invalid scrape response"))}_onSocketClose(){this.destroyed||(this.destroy(),this._startReconnectTimer())}_onSocketError(e){this.destroyed||(this.destroy(),this.client.emit("warning",e),this._startReconnectTimer())}_startReconnectTimer(){const e=Math.floor(3e5*Math.random())+Math.min(1e4*Math.pow(2,this.retries),36e5);this.reconnecting=!0,clearTimeout(this.reconnectTimer),this.reconnectTimer=setTimeout((()=>{this.retries++,this._openSocket()}),e),this.reconnectTimer.unref&&this.reconnectTimer.unref(),_e("reconnecting socket in %s ms",e)}_send(e){if(this.destroyed)return;this.expectingResponse=!0;const t=JSON.stringify(e);_e("send %s",t),this.socket.send(t)}_generateOffers(e,t){const n=this,i=[];_e("generating %s offers",e);for(let t=0;t<e;++t)r();function r(){const e=(0,d.oc)((0,d.O6)(20));_e("creating peer (from _generateOffers)");const t=n.peers[e]=n._createPeer({initiator:!0});t.once("signal",(t=>{i.push({offer:t,offer_id:(0,d.E)(e)}),s()})),t.trackerTimeout=setTimeout((()=>{_e("tracker timeout: destroying peer"),t.trackerTimeout=null,delete n.peers[e],t.destroy()}),5e4),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function s(){i.length===e&&(_e("generated %s offers",e),t(i))}s()}_createPeer(e){const t=this;e=Object.assign({trickle:!1,config:t.client._rtcConfig,wrtc:t.client._wrtc},e);const n=new $(e);return n.once("error",i),n.once("connect",(function e(){n.removeListener("error",i),n.removeListener("connect",e)})),n;function i(e){t.client.emit("warning",new Error(`Connection error: ${e.message}`)),n.destroy()}}}function be(){}we.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,we._socketPool=ye;const ve=we;var ke=r(8768);const xe=k("bittorrent-tracker:client");class Ee extends e{constructor(e={}){if(super(),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");if(!ke.browser&&!e.port)throw new Error("Option `port` is required");this.peerId="string"==typeof e.peerId?e.peerId:(0,d.oc)(e.peerId),this._peerIdBuffer=(0,d._0)(this.peerId),this._peerIdBinary=(0,d.E)(this.peerId),this.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():(0,d.oc)(e.infoHash),this._infoHashBuffer=(0,d._0)(this.infoHash),this._infoHashBinary=(0,d.E)(this.infoHash),xe("new client %s",this.infoHash),this.destroyed=!1,this._port=e.port,this._getAnnounceOpts=e.getAnnounceOpts,this._rtcConfig=e.rtcConfig,this._userAgent=e.userAgent,this._proxyOpts=e.proxyOpts,this._wrtc="function"==typeof e.wrtc?e.wrtc():e.wrtc;let t="string"==typeof e.announce?[e.announce]:null==e.announce?[]:e.announce;t=t.map((e=>(ArrayBuffer.isView(e)&&(e=(0,d.vV)(e)),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e))),t=Array.from(new Set(t));const n=!1!==this._wrtc&&(!!this._wrtc||$.WEBRTC_SUPPORT),i=e=>{u((()=>{this.emit("warning",e)}))};this._trackers=t.map((e=>{let t;try{t=ae.parseUrl(e)}catch(t){return i(new Error(`Invalid tracker URL: ${e}`)),null}const r=t.port;if(r<0||r>65535)return i(new Error(`Invalid tracker port: ${e}`)),null;const s=t.protocol;return"http:"!==s&&"https:"!==s||"function"!=typeof he?"udp:"===s&&"function"==typeof ce?new ce(this,e):"ws:"!==s&&"wss:"!==s||!n||"ws:"===s&&"undefined"!=typeof window&&"https:"===window.location.protocol?(i(new Error(`Unsupported tracker protocol: ${e}`)),null):new ve(this,e):new he(this,e)})).filter(Boolean)}start(e){(e=this._defaultAnnounceOpts(e)).event="started",xe("send `start` %o",e),this._announce(e),this._trackers.forEach((e=>{e.setInterval()}))}stop(e){(e=this._defaultAnnounceOpts(e)).event="stopped",xe("send `stop` %o",e),this._announce(e)}complete(e){e||(e={}),(e=this._defaultAnnounceOpts(e)).event="completed",xe("send `complete` %o",e),this._announce(e)}update(e){(e=this._defaultAnnounceOpts(e)).event&&delete e.event,xe("send `update` %o",e),this._announce(e)}_announce(e){this._trackers.forEach((t=>{t.announce(e)}))}scrape(e){xe("send `scrape`"),e||(e={}),this._trackers.forEach((t=>{t.scrape(e)}))}setInterval(e){xe("setInterval %d",e),this._trackers.forEach((t=>{t.setInterval(e)}))}destroy(e){if(this.destroyed)return;this.destroyed=!0,xe("destroy");const t=this._trackers.map((e=>t=>{e.destroy(t)}));l(t,e),this._trackers=[],this._getAnnounceOpts=null}_defaultAnnounceOpts(e={}){return null==e.numwant&&(e.numwant=ae.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),this._getAnnounceOpts&&(e=Object.assign({},e,this._getAnnounceOpts())),e}}Ee.scrape=(e,t)=>{if(t=se(t),!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");const n=Object.assign({},e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:(0,d.gR)("01234567890123456789"),port:6881}),i=new Ee(n);i.once("error",t),i.once("warning",t);let r=Array.isArray(e.infoHash)?e.infoHash.length:1;const s={};return i.on("scrape",(e=>{if(r-=1,s[e.infoHash]=e,0===r){i.destroy();const e=Object.keys(s);1===e.length?t(null,s[e[0]]):t(null,s)}})),i.scrape({infoHash:e.infoHash}),i};const Se=Ee;r(859);var Ce=r(2067),Ae=r(8768);const Te=k("torrent-discovery");class Pe extends e.EventEmitter{constructor(e){if(super(),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!Ae.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=e=>{this.emit("warning",e)},this._onError=e=>{this.emit("error",e)},this._onDHTPeer=(e,t)=>{t.toString("hex")===this.infoHash&&this.emit("peer",`${e.host}:${e.port}`,"dht")},this._onTrackerPeer=e=>{this.emit("peer",e,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")},this._onLSDPeer=(e,t)=>{this.emit("peer",e,"lsd")};const t=(e,t)=>{const n=new re.Client(t);return n.on("warning",this._onWarning),n.on("error",this._onError),n.listen(e),this._internalDHT=!0,n};!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(),!1===e.dht||"function"!=typeof re.Client?this.dht=null:e.dht&&"function"==typeof e.dht.addNode?this.dht=e.dht:e.dht&&"object"==typeof e.dht?this.dht=t(e.dhtPort,e.dht):this.dht=t(e.dhtPort),this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce()),!1===e.lsd||"function"!=typeof Ce?this.lsd=null:this.lsd=this._createLSD()}updatePort(e){e!==this._port&&(this._port=e,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy((()=>{this.tracker=this._createTracker()}))))}complete(e){this.tracker&&this.tracker.complete(e)}destroy(e){if(this.destroyed)return;this.destroyed=!0,clearTimeout(this._dhtTimeout);const t=[];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),t.push((e=>{this.tracker.destroy(e)}))),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),t.push((e=>{this.dht.destroy(e)}))),this.lsd&&(this.lsd.removeListener("warning",this._onWarning),this.lsd.removeListener("error",this._onError),this.lsd.removeListener("peer",this._onLSDPeer),t.push((e=>{this.lsd.destroy(e)}))),l(t,e),this.dht=null,this.tracker=null,this.lsd=null,this._announce=null}_createTracker(){const e=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),t=new Se(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.on("peer",this._onTrackerPeer),t.on("update",this._onTrackerAnnounce),t.setInterval(this._intervalMs),t.start(),t}_dhtAnnounce(){this._dhtAnnouncing||(Te("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,(e=>{this._dhtAnnouncing=!1,Te("dht announce complete"),e&&this.emit("warning",e),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout((()=>{this._dhtAnnounce()}),this._intervalMs+Math.floor(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())})))}_createLSD(){const e=Object.assign({},{infoHash:this.infoHash,peerId:this.peerId,port:this._port}),t=new Ce(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.on("peer",this._onLSDPeer),t.start(),t}}const Ie=Pe;"undefined"!=typeof navigator&&navigator.storage?.getDirectory&&navigator.storage.getDirectory().then((e=>{e.removeEntry("chunks",{recursive:!0})}));const Re=()=>{};class Le{constructor(e,t={}){if(this.chunkLength=Number(e),!this.chunkLength)throw new Error("First argument must be a chunk length");if("undefined"==typeof navigator||!navigator.storage?.getDirectory)throw new Error("FSA API is not supported");if(this.closed=!1,this.name=t.name||crypto.randomUUID(),this.chunks=[],this.rootDirPromise=t.rootDir||navigator.storage.getDirectory(),this.storageDirPromise=(async()=>(await this.rootDirPromise).getDirectoryHandle(this.name,{create:!0}))(),this.chunksDirPromise=this.storageDirPromise,t.files&&t.rootDir){if(this.chunkMap=[],this.directoryMap={},this.chunksDirPromise=this._getChunksDirHandle(),this.files=t.files.map(((e,t,n)=>{if(null==e.path)throw new Error("File is missing `path` property");if(null==e.length)throw new Error("File is missing `length` property");if(null==e.offset)if(0===t)e.offset=0;else{const i=n[t-1];e.offset=i.offset+i.length}null==e.handle&&(e.handle=this._createFileHandle({path:e.path})),e.blob=this._createBlobReference(e.handle);const i=e.offset,r=e.offset+e.length,s=Math.floor(i/this.chunkLength),o=Math.floor((r-1)/this.chunkLength);for(let t=s;t<=o;++t){const n=t*this.chunkLength,s=i<n?0:i-n,o=r>n+this.chunkLength?this.chunkLength:r-n,a=i>n?0:n-i;this.chunkMap[t]||(this.chunkMap[t]=[]),this.chunkMap[t].push({from:s,to:o,offset:a,file:e})}return e})),window.addEventListener("pagehide",(()=>this.cleanup())),this.length=this.files.reduce(((e,t)=>e+t.length),0),null!=t.length&&t.length!==this.length)throw new Error("total `files` length is not equal to explicit `length` option")}else this.length=Number(t.length)||1/0;this.length!==1/0&&(this.lastChunkLength=this.length%this.chunkLength||this.chunkLength,this.lastChunkIndex=Math.ceil(this.length/this.chunkLength)-1)}async _getChunkHandle(e){let t=this.chunks[e];if(!t){const n=await this.chunksDirPromise;this.chunks[e]=t=await n.getFileHandle(e,{create:!0})}return t}async _createFileHandle(e){const t=e.path.slice(e.path.lastIndexOf("/")+1);return(await this._getDirectoryHandle(e)).getFileHandle(t,{create:!0})}async _createBlobReference(e){return(await e).getFile()}async _getDirectoryHandle(e){const t=e.path.lastIndexOf("/");if(-1===t||0===t)return this.storageDirPromise;const n=e.path=e.path.slice(0,t);return this.directoryMap[n]||(this.directoryMap[n]=(async()=>(await this._getDirectoryHandle(e)).getDirectoryHandle(n.slice(n.lastIndexOf("/")+1),{create:!0}))()),this.directoryMap[n]}async _getChunksDirHandle(){const e=await navigator.storage.getDirectory();return(await e.getDirectoryHandle("chunks",{create:!0})).getDirectoryHandle(this.name,{create:!0})}async put(e,t,n=Re){try{return await this._put(e,t),n(null),null}catch(e){return queueMicrotask((()=>n(e))),e}}async _put(e,t){if(this.closed)throw new Error("Storage is closed");const n=e===this.lastChunkIndex;if(n&&t.length!==this.lastChunkLength)throw new Error(`Last chunk length must be ${this.lastChunkLength}`);if(!n&&t.length!==this.chunkLength)throw new Error(`Chunk length must be ${this.chunkLength}`);const i=(async()=>{const n=await this._getChunkHandle(e),i=await n.createWritable({keepExistingData:!1});await i.write(t),await i.close()})();if(!this.files)return i;const r=this.chunkMap[e];if(!r)throw new Error("No files matching the request range");const s=r.map((async({file:e,offset:n,from:i,to:r})=>{e.stream||(e.stream=await(await e.handle).createWritable({keepExistingData:!0})),await e.stream.write({type:"write",position:n,data:t.slice(i,r)})}));s.push(i),await Promise.all(s)}async get(e,t,n=Re){null==t&&(t={});try{const i=await this._get(e,t);return n(null,i),i}catch(e){return n(e),e}}async _get(e,t){if("function"==typeof t)return this.get(e,void 0,t);if(this.closed)throw new Error("Storage is closed");const n=e===this.lastChunkIndex?this.lastChunkLength:this.chunkLength,i=t.offset||0,r=t.length?i+t.length:n,s=t.length||n-i;if(i<0||i<0||r>n)throw new Error("Invalid offset and/or length");if(i===r)return new Uint8Array(0);if(!this.files||this.chunks[e]){const t=await this._getChunkHandle(e);let r=await t.getFile();0===i&&s===n||(r=r.slice(i,s+i));const o=await r.arrayBuffer();if(0===o.byteLength)throw new Error(`Index ${e} does not exist`);return new Uint8Array(o)}let o=this.chunkMap[e];if(!o)throw new Error("No files matching the request range");if(t&&(o=o.filter((({from:e,to:t})=>t>i&&e<r)),0===o.length))throw new Error("No files matching the request range");const a=o.map((async({from:e,to:n,offset:s,file:o})=>{t&&(n>r&&(n=r),e<i&&(s+=i-e,e=i));return(await o.blob).slice(s,s+n-e)})),h=await Promise.all(a),c=1===h.length?await h[0].arrayBuffer():await new Blob(h).arrayBuffer();if(0===c.byteLength)throw new Error(`Index ${e} does not exist`);return new Uint8Array(c)}async close(e=Re){if(this.closed)return((e=Re,t)=>queueMicrotask((()=>e(new Error(t)))))(e,"Storage is closed");this.closed=!0,this.chunkMap=null,this.directoryMap=null,this.files&&await this.cleanup(),queueMicrotask((()=>e(null)))}async cleanup(){const e=[];for(const t of this.files)t.stream&&(e.push(t.stream.close()),t.stream=null);const t=(async()=>{const e=await this.chunksDirPromise;this.chunks=[];for await(const t of e.keys())await e.removeEntry(t,{recursive:!0});this.chunksDirPromise=await this._getChunksDirHandle()})();await Promise.all(e);for(const e of this.files)e.blob=this._createBlobReference(e.handle);await t}async destroy(e=Re){this.close((async t=>{if(t)e(t);else{try{const e=await this.rootDirPromise;await e.removeEntry(this.name,{recursive:!0})}catch(t){return void e(t)}e(null)}}))}}var Oe=r(4137),Be=r(1191);const Ue=!!("undefined"!=typeof globalThis&&globalThis||"undefined"!=typeof self&&self||"undefined"!=typeof window&&window||"undefined"!=typeof globalThis&&globalThis).chrome?1/0:2130706432,Ne="undefined"!=typeof navigator&&navigator.storage?.getDirectory&&FileSystemFileHandle?.prototype?.createWritable,Me=()=>{};class je{constructor(e,t={}){if(this.chunkLength=Number(e),!this.chunkLength)throw new Error("First argument must be a chunk length");this.length=Number(t.length)||1/0,this.limit=t.limit||Ue,this.fallbackStore=null,this.dataStore=null,this.chunkCount=0,this.stores=[],this._init(t),this.dataStore&&(t.max>0&&(this.dataStore=new ee(this.dataStore,{max:t.max})),this.stores.push(this.dataStore)),this.stores.push(this.fallbackStore)}_init(e){if(e.onlyMem||this.limit<this.chunkLength)return void(this.fallbackStore=new Be(this.chunkLength,e));const t=Ne?Le:Oe;if(this.limit>=this.length)return void(this.fallbackStore=new t(this.chunkLength,e));this.chunkCount=Math.floor(Math.min(this.length,this.limit)/this.chunkLength);const n=this.chunkCount*this.chunkLength,i=this.length-n;this.dataStore=new t(this.chunkLength,{...e,length:n}),this.fallbackStore=new Be(this.chunkLength,{...e,length:i})}get(e,t,n){e>=this.chunkCount?this.fallbackStore.get(e-this.chunkCount,t,n):this.dataStore.get(e,t,n)}put(e,t,n){e>=this.chunkCount?this.fallbackStore.put(e-this.chunkCount,t,n):this.dataStore.put(e,t,n)}close(e=Me){Promise.all(this.stores.map((e=>new Promise((t=>e.close(t)))))).then((t=>{const n=t.find((e=>e));e(n)}))}destroy(e=Me){Promise.all(this.stores.map((e=>new Promise((t=>e.destroy(t)))))).then((t=>{const n=t.find((e=>e));e(n)}))}}var He=r(3700),De=r(9417),Fe=r(9967),qe=r(8687),$e=r(5960);const We=k("ut_metadata"),ze=16384,Ge=t=>{class i extends e.EventEmitter{constructor(e){super(),this._wire=e,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new Q.Z(0,{grow:1e3}),ArrayBuffer.isView(t)&&this.setMetadata(t)}onHandshake(e,t,n){this._infoHash=e}onExtendedHandshake(e){return e.m&&e.m.ut_metadata?e.metadata_size?"number"!=typeof e.metadata_size||1e7<e.metadata_size||e.metadata_size<=0?this.emit("warning",new Error("Peer gave invalid metadata size")):(this._metadataSize=e.metadata_size,this._numPieces=Math.ceil(this._metadataSize/ze),this._remainingRejects=2*this._numPieces,void this._requestPieces()):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))}onMessage(e){let t,i;try{const r=(0,d.vV)(e),s=r.indexOf("ee")+2;t=n.Z.decode(r.substring(0,s)),i=e.slice(s)}catch(e){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,i,t.total_size);break;case 2:this._onReject(t.piece)}}fetch(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())}cancel(){this._fetching=!1}async setMetadata(e){if(this._metadataComplete)return!0;We("set metadata");try{const t=n.Z.decode(e).info;t&&(e=n.Z.encode(t))}catch(e){}return(!this._infoHash||this._infoHash===await(0,d.vp)(e,"hex"))&&(this.cancel(),this.metadata=e,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",n.Z.encode({info:n.Z.decode(this.metadata)})),!0)}_send(e,t){let i=n.Z.encode(e);ArrayBuffer.isView(t)&&(i=(0,d.zo)([i,t])),this._wire.extended("ut_metadata",i)}_request(e){this._send({msg_type:0,piece:e})}_data(e,t,n){const i={msg_type:1,piece:e};"number"==typeof n&&(i.total_size=n),this._send(i,t)}_reject(e){this._send({msg_type:2,piece:e})}_onRequest(e){if(!this._metadataComplete)return void this._reject(e);const t=e*ze;let n=t+ze;n>this._metadataSize&&(n=this._metadataSize);const i=this.metadata.slice(t,n);this._data(e,i,this._metadataSize)}_onData(e,t,n){t.length>ze||!this._fetching||(this.metadata.set(t,e*ze),this._bitfield.set(e),this._checkDone())}_onReject(e){this._remainingRejects>0&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("warning",new Error('Peer sent "reject" too much'))}_requestPieces(){if(this._fetching){this.metadata=new Uint8Array(this._metadataSize);for(let e=0;e<this._numPieces;e++)this._request(e)}}async _checkDone(){let e=!0;for(let t=0;t<this._numPieces;t++)if(!this._bitfield.get(t)){e=!1;break}if(!e)return;await this.setMetadata(this.metadata)||this._failedMetadata()}_failedMetadata(){this._bitfield=new Q.Z(0,{grow:1e3}),this._remainingRejects-=this._numPieces,this._remainingRejects>0?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return i.prototype.name="ut_metadata",i};var Ve=r(8838),Ke=r(2109);const Ze=k("webtorrent:file-iterator");class Ye extends e{constructor(e,{start:t,end:n}){super(),this._torrent=e._torrent,this._pieceLength=e._torrent.pieceLength,this._startPiece=(t+e.offset)/this._pieceLength|0,this._endPiece=(n+e.offset)/this._pieceLength|0,this._piece=this._startPiece,this._offset=t+e.offset-this._startPiece*this._pieceLength,this._missing=n-t+1,this._criticalLength=Math.min(1048576/this._pieceLength|0,2),this._torrent.select(this._startPiece,this._endPiece,!0,(()=>{this.emit("_notify")})),this.destroyed=!1}[Symbol.asyncIterator](){return this}next(){return new Promise(((e,t)=>{if(0===this._missing||this.destroyed)return e({done:!0}),this.destroy();const n=(i,r)=>{if(!this._torrent.bitfield.get(i)){this._torrent.critical(i,i+this._criticalLength);const e=()=>{this._torrent.bitfield.get(i)&&(this.removeListener("_notify",e),n(i,r))};return this.on("_notify",e)}if(this._torrent.destroyed)return t(new Error("Torrent removed"));this._torrent.store.get(i,r,((n,r)=>this.destroyed?e({done:!0}):(Ze("read %s and yielding (length %s) (err %s)",i,r?.length,n?.message),n?t(n):void e({value:r,done:!1}))))},i=Math.min(this._missing,this._pieceLength-this._offset);n(this._piece++,{length:i,offset:this._offset}),this._missing-=i,this._offset=0}))}async return(){this.destroy();const{value:e}=await this.next();return{done:!0,value:e}}async throw(e){throw e}destroy(e=(()=>{}),t){this.destroyed||(this.destroyed=!0,this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0),this.emit("return"),e(t))}}class Je extends e{constructor(e,t){super(),this._torrent=e,this._destroyed=!1,this._fileStreams=new Set,this._iterators=new Set,this.name=t.name,this.path=t.path,this.length=t.length,this.size=t.length,this.type=Ke.getType(this.name)||"application/octet-stream",this.offset=t.offset,this.done=!1;const n=t.offset,i=n+t.length-1;this._startPiece=n/this._torrent.pieceLength|0,this._endPiece=i/this._torrent.pieceLength|0,0===this.length&&(this.done=!0,this.emit("done")),this._client=e.client}get downloaded(){if(this._destroyed||!this._torrent.bitfield)return 0;const{pieces:e,bitfield:t,pieceLength:n,lastPieceLength:i}=this._torrent,{_startPiece:r,_endPiece:s}=this,o=r=>{const s=r===e.length-1?i:n;return t.get(r)?s:s-e[r].missing};let a=0;for(let t=r;t<=s;t+=1){const h=o(t);if(a+=h,t===r){const e=this.offset%n;a-=Math.min(e,h)}if(t===s){const t=(s===e.length-1?i:n)-(this.offset+this.length)%n;a-=Math.min(t,h)}}return a}get progress(){return this.length?this.downloaded/this.length:0}select(e){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,e)}deselect(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece,!1)}[Symbol.asyncIterator](e={}){if(0===this.length)return async function*(){}();const{start:t=0}=e??{},n=e?.end&&e.end<this.length?e.end:this.length-1;if(this.done)return te(this._torrent.store,{offset:t+this.offset,length:n-t+1});const i=new Ye(this,{start:t,end:n});return this._iterators.add(i),i.once("return",(()=>{this._iterators.delete(i)})),i}createReadStream(e){const t=this[Symbol.asyncIterator](e),n=M.Readable.from(t);return this._fileStreams.add(n),n.once("close",(()=>{this._fileStreams.delete(n)})),n}async arrayBuffer(e){const t=new Uint8Array(this.length);let n=0;for await(const i of this[Symbol.asyncIterator](e))t.set(i,n),n+=i.length;return t.buffer}async blob(e){return new Blob([await this.arrayBuffer(e)],{type:this.type})}stream(e){let t;return new ReadableStream({start(){t=this[Symbol.asyncIterator](e)},async pull({close:e,enqueue:n}){const{value:i,done:r}=await t.next();r?e():n(i)},cancel(){t.return()}})}get streamURL(){if(!this._client._server)throw new Error("No server created");return`${this._client._server.pathname}/${this._torrent.infoHash}/${encodeURI(this.path)}`}streamTo(e){return e.src=this.streamURL,e}includes(e){return this._startPiece<=e&&this._endPiece>=e}_destroy(){this._destroyed=!0,this._torrent=null;for(const e of this._fileStreams)e.destroy();this._fileStreams.clear();for(const e of this._iterators)e.destroy();this._iterators.clear()}}var Xe=r(3287);class Qe{constructor(e){this._torrent=e,this._numPieces=e.pieces.length,this._pieces=new Array(this._numPieces),this._onWire=e=>{this.recalculate(),this._initWire(e)},this._onWireHave=e=>{this._pieces[e]+=1},this._onWireBitfield=()=>{this.recalculate()},this._torrent.wires.forEach((e=>{this._initWire(e)})),this._torrent.on("wire",this._onWire),this.recalculate()}getRarestPiece(e){let t=[],n=1/0;for(let i=0;i<this._numPieces;++i){if(e&&!e(i))continue;const r=this._pieces[i];r===n?t.push(i):r<n&&(t=[i],n=r)}return t.length?t[Math.random()*t.length|0]:-1}destroy(){this._torrent.removeListener("wire",this._onWire),this._torrent.wires.forEach((e=>{this._cleanupWireEvents(e)})),this._torrent=null,this._pieces=null,this._onWire=null,this._onWireHave=null,this._onWireBitfield=null}_initWire(e){e._onClose=()=>{this._cleanupWireEvents(e);for(let t=0;t<this._numPieces;++t)this._pieces[t]-=e.peerPieces.get(t)},e.on("have",this._onWireHave),e.on("bitfield",this._onWireBitfield),e.once("close",e._onClose)}recalculate(){this._pieces.fill(0);for(const e of this._torrent.wires)for(let t=0;t<this._numPieces;++t)this._pieces[t]+=e.peerPieces.get(t)}_cleanupWireEvents(e){e.removeListener("have",this._onWireHave),e.removeListener("bitfield",this._onWireBitfield),e._onClose&&e.removeListener("close",e._onClose),e._onClose=null}}var et=r(6475),tt=r(814);const nt="2.0.24",it=k("webtorrent:webconn"),rt=nt;class st extends tt.Z{constructor(e,t){super(),this.url=e,this.connId=e,this._torrent=t,this._init(e)}_init(e){this.setKeepAlive(!0),this.use(De()),this.once("handshake",(async(t,n)=>{const i=await(0,d.vp)(e,"hex");if(this.destroyed)return;this.handshake(t,i);const r=this._torrent.pieces.length,s=new Q.Z(r);for(let e=0;e<=r;e++)s.set(e,!0);this.bitfield(s)})),this.once("interested",(()=>{it("interested"),this.unchoke()})),this.on("uninterested",(()=>{it("uninterested")})),this.on("choke",(()=>{it("choke")})),this.on("unchoke",(()=>{it("unchoke")})),this.on("bitfield",(()=>{it("bitfield")})),this.lt_donthave.on("donthave",(()=>{it("donthave")})),this.on("request",((e,t,n,i)=>{it("request pieceIndex=%d offset=%d length=%d",e,t,n),this.httpRequest(e,t,n,((t,n)=>{if(t){this.lt_donthave.donthave(e);const t=setTimeout((()=>{this.destroyed||this.have(e)}),1e4);t.unref&&t.unref()}i(t,n)}))}))}async httpRequest(e,t,n,i){i=se(i);const r=e*this._torrent.pieceLength+t,s=r+n-1,o=this._torrent.files;let a,h;if(o.length<=1)a=[{url:this.url,start:r,end:s}];else{const e=o.filter((e=>e.offset<=s&&e.offset+e.length>r));if(e.length<1)return i(new Error("Could not find file corresponding to web seed range request"));a=e.map((e=>{const t=e.offset+e.length-1;return{url:this.url+("/"===this.url[this.url.length-1]?"":"/")+e.path.replace(this._torrent.path,""),fileOffsetInRange:Math.max(e.offset-r,0),start:Math.max(r-e.offset,0),end:Math.min(t,s-e.offset)}}))}try{h=await Promise.all(a.map((async({start:i,end:r,url:s})=>{it("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",s,e,t,n,i,r);const o=await C(s,{cache:"no-store",method:"GET",headers:{"Cache-Control":"no-store","user-agent":`WebTorrent/${rt} (https://webtorrent.io)`,range:`bytes=${i}-${r}`},signal:AbortSignal.timeout(6e4)});if(!o.ok)throw new Error(`Unexpected HTTP status code ${o.status}`);const a=new Uint8Array(await o.arrayBuffer());return it("Got data of length %d",a.length),a})))}catch(e){return i(e)}i(null,(0,d.zo)(h))}destroy(){super.destroy(),this._torrent=null}}var ot=r(8768);const at=k("webtorrent:torrent"),ht=5e3,ct=3*qe.BLOCK_LENGTH,lt=ot.browser?ie().length:2,ut=[1e3,5e3,15e3],dt=`WebTorrent/${nt} (https://webtorrent.io)`;let ft;try{ft=t.join(V.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){ft=t.join("function"==typeof Z.tmpdir?Z.tmpdir():"/","webtorrent")}const pt="undefined"!=typeof window&&"function"==typeof window.requestIdleCallback&&window.requestIdleCallback;class gt extends e{constructor(e,t,n){super(),this._debugId="unknown infohash",this.client=t,this.announce=n.announce,this.urlList=n.urlList,this.path=n.path||ft,this.addUID=n.addUID||!1,this.rootDir=n.rootDir||null,this.skipVerify=!!n.skipVerify,this._store=n.store||je,this._preloadedStore=n.preloadedStore||null,this._storeCacheSlots=void 0!==n.storeCacheSlots?n.storeCacheSlots:20,this._destroyStoreOnDestroy=n.destroyStoreOnDestroy||!1,this.store=null,this.storeOpts=n.storeOpts,this._getAnnounceOpts=n.getAnnounceOpts,"boolean"==typeof n.private&&(this.private=n.private),this.strategy=n.strategy||"sequential",this.maxWebConns=n.maxWebConns||4,this._rechokeNumSlots=!1===n.uploads||0===n.uploads?0:+n.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this._noPeersIntervalId=null,this._noPeersIntervalTime=n.noPeersIntervalTime?1e3*n.noPeersIntervalTime:3e4,this.ready=!1,this.destroyed=!1,this.paused=n.paused||!1,this.done=!1,this.metadata=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=W(),this._uploadSpeed=W(),this._servers=[],this._xsRequests=[],this._fileModtimes=n.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}get timeRemaining(){return this.done?0:0===this.downloadSpeed?1/0:(this.length-this.downloaded)/this.downloadSpeed*1e3}get downloaded(){if(!this.bitfield)return 0;let e=0;for(let t=0,n=this.pieces.length;t<n;++t)if(this.bitfield.get(t))e+=t===n-1?this.lastPieceLength:this.pieceLength;else{const n=this.pieces[t];e+=n.length-n.missing}return e}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){return this.length?this.downloaded/this.length:0}get ratio(){return this.uploaded/(this.received||this.length)}get numPeers(){return this.wires.length}get torrentFileBlob(){return this.torrentFile?new Blob([this.torrentFile],{type:"application/x-bittorrent"}):null}get _numQueued(){return this._queue.length+(this._peersLength-this._numConns)}get _numConns(){let e=0;for(const t in this._peers)this._peers[t].connected&&(e+=1);return e}async _onTorrentId(e){if(this.destroyed)return;let t;try{t=await B(e)}catch(e){}t?(this.infoHash=t.infoHash,this._debugId=(0,d.oc)(t.infoHash).substring(0,7),u((()=>{this.destroyed||this._onParsedTorrent(t)}))):R(e,((e,t)=>{if(!this.destroyed)return e?this._destroy(e):void this._onParsedTorrent(t)}))}_onParsedTorrent(e){if(!this.destroyed){if(this._processParsedTorrent(e),!this.infoHash)return this._destroy(new Error("Malformed torrent data: No info hash"));this._rechokeIntervalId=setInterval((()=>{this._rechoke()}),1e4),this._rechokeIntervalId.unref&&this._rechokeIntervalId.unref(),this.emit("_infoHash",this.infoHash),this.destroyed||(this.emit("infoHash",this.infoHash),this.destroyed||(this.client.listening?this._onListening():this.client.once("listening",(()=>{this._onListening()}))))}}_processParsedTorrent(e){this._debugId=(0,d.oc)(e.infoHash).substring(0,7),void 0!==this.private&&(e.private=this.private),this.announce&&(e.announce=e.announce.concat(this.announce)),this.client.tracker&&globalThis.WEBTORRENT_ANNOUNCE&&!e.private&&(e.announce=e.announce.concat(globalThis.WEBTORRENT_ANNOUNCE)),this.urlList&&(e.urlList=e.urlList.concat(this.urlList)),e.announce=Array.from(new Set(e.announce)),e.urlList=Array.from(new Set(e.urlList)),Object.assign(this,e),this.magnetURI=U(e),this.torrentFile=function(e){const t={info:e.info};return t["announce-list"]=(e.announce||[]).map((e=>(t.announce||(t.announce=e),[e=(0,d.gR)(e)]))),t["url-list"]=e.urlList||[],void 0!==e.private&&(t.private=Number(e.private)),e.created&&(t["creation date"]=e.created.getTime()/1e3|0),e.createdBy&&(t["created by"]=e.createdBy),e.comment&&(t.comment=e.comment),n.Z.encode(t)}(e)}_onListening(){this.destroyed||(this.info?this._onMetadata(this):(this.xs&&this._getMetadataFromServer(),this._startDiscovery()))}_startDiscovery(){if(this.discovery||this.destroyed)return;let e=this.client.tracker;e&&(e=Object.assign({},this.client.tracker,{getAnnounceOpts:()=>{if(this.destroyed)return;const e={uploaded:this.uploaded,downloaded:this.downloaded,left:Math.max(this.length-this.downloaded,0)};return this.client.tracker.getAnnounceOpts&&Object.assign(e,this.client.tracker.getAnnounceOpts()),this._getAnnounceOpts&&Object.assign(e,this._getAnnounceOpts()),e}})),this.peerAddresses&&this.peerAddresses.forEach((e=>this.addPeer(e,Xe.default.SOURCE_MANUAL))),this.discovery=new Ie({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:e,port:this.client.torrentPort,userAgent:dt,lsd:this.client.lsd}),this.discovery.on("error",(e=>{this._destroy(e)})),this.discovery.on("peer",((e,t)=>{this._debug("peer %s discovered via %s",e,t),"string"==typeof e&&this.done||this.addPeer(e,t)})),this.discovery.on("trackerAnnounce",(()=>{this.emit("trackerAnnounce")})),this.discovery.on("dhtAnnounce",(()=>{this.emit("dhtAnnounce")})),this.discovery.on("warning",(e=>{this.emit("warning",e)})),this._noPeersIntervalId=setInterval((()=>{if(this.destroyed)return;const e={[Xe.default.SOURCE_TRACKER]:{enabled:!!this.client.tracker,numPeers:0},[Xe.default.SOURCE_DHT]:{enabled:!!this.client.dht,numPeers:0},[Xe.default.SOURCE_LSD]:{enabled:!!this.client.lsd,numPeers:0},[Xe.default.SOURCE_UT_PEX]:{enabled:this.client.utPex&&"function"==typeof Ve,numPeers:0}};for(const t of Object.values(this._peers)){const n=e[t.source];void 0!==n&&n.numPeers++}for(const t of Object.keys(e)){const n=e[t];n.enabled&&0===n.numPeers&&this.emit("noPeers",t)}}),this._noPeersIntervalTime),this._noPeersIntervalId.unref&&this._noPeersIntervalId.unref()}_getMetadataFromServer(){const e=this,t=Array.isArray(this.xs)?this.xs:[this.xs];e._xsRequestsController=new AbortController;const n=e._xsRequestsController.signal,i=t.map((t=>i=>{!async function(t,i){if(0!==t.indexOf("http://")&&0!==t.indexOf("https://"))return e.emit("warning",new Error(`skipping non-http xs param: ${t}`)),i(null);const r={method:"GET",headers:{"user-agent":dt},signal:n};let s,o,a;try{s=await C(t,r)}catch(n){return e.emit("warning",new Error(`http error from xs param: ${t}`)),i(null)}if(e.destroyed)return i(null);if(e.metadata)return i(null);if(200!==s.status)return e.emit("warning",new Error(`non-200 status code ${s.status} from xs param: ${t}`)),i(null);try{o=new Uint8Array(await s.arrayBuffer())}catch(t){return e.emit("warning",t),i(null)}try{a=await B(o)}catch(e){}if(!a)return e.emit("warning",new Error(`got invalid torrent file from xs param: ${t}`)),i(null);if(a.infoHash!==e.infoHash)return e.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${t}`)),i(null);e._onMetadata(a),i(null)}(t,i)}));l(i)}async _onMetadata(e){if(this.metadata||this.destroyed)return;let t;if(this._debug("got metadata"),this._xsRequestsController?.abort(),this._xsRequestsController=null,e&&e.infoHash)t=e;else try{t=await B(e)}catch(e){return this._destroy(e)}this._processParsedTorrent(t),this.metadata=this.torrentFile,this.client.enableWebSeeds&&this.urlList.forEach((e=>{this.addWebSeed(e)})),this._rarityMap=new Qe(this),this.files=this.files.map((e=>new Je(this,e)));let n=this._preloadedStore;if(n||(n=new this._store(this.pieceLength,{...this.storeOpts,torrent:this,path:this.path,files:this.files,length:this.length,name:this.name+" - "+this.infoHash.slice(0,8),addUID:this.addUID,rootDir:this.rootDir,max:this._storeCacheSlots})),this._storeCacheSlots>0&&!(n instanceof Be||n instanceof je)&&(n=new ee(n,{max:this._storeCacheSlots})),this.store=new He(n),this.so?this.files.forEach(((e,t)=>{this.so.includes(t)?this.files[t].select():this.files[t].deselect()})):0!==this.pieces.length&&this.select(0,this.pieces.length-1,!1),this._hashes=this.pieces,this.pieces=this.pieces.map(((e,t)=>{const n=t===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new qe(n)})),this._reservations=this.pieces.map((()=>[])),this.bitfield=new Q.Z(this.pieces.length),this.emit("metadata"),!this.destroyed)if(this.skipVerify)this._markAllVerified(),this._onStore();else{const e=e=>{if(e)return this._destroy(e);this._debug("done verifying"),this._onStore()};this._debug("verifying existing torrent data"),this._fileModtimes&&this._store===je?this.getFileModtimes(((t,n)=>{if(t)return this._destroy(t);this.files.map(((e,t)=>n[t]===this._fileModtimes[t])).every((e=>e))?(this._markAllVerified(),this._onStore()):this._verifyPieces(e)})):this._verifyPieces(e)}}getFileModtimes(e){const n=[];Fe(this.files.map(((e,i)=>r=>{const s=this.addUID?t.join(this.name+" - "+this.infoHash.slice(0,8)):t.join(this.path,e.path);V.stat(s,((e,t)=>{if(e&&"ENOENT"!==e.code)return r(e);n[i]=t&&t.mtime.getTime(),r(null)}))})),lt,(t=>{this._debug("done getting file modtimes"),e(t,n)}))}_verifyPieces(e){Fe(this.pieces.map(((e,t)=>e=>{if(this.destroyed)return e(new Error("torrent is destroyed"));const n={};t===this.pieces.length-1&&(n.length=this.lastPieceLength),this.store.get(t,n,(async(n,i)=>{if(this.destroyed)return e(new Error("torrent is destroyed"));if(n)return u((()=>e(null)));const r=await(0,d.vp)(i,"hex");if(this.destroyed)return e(new Error("torrent is destroyed"));r===this._hashes[t]?(this._debug("piece verified %s",t),this._markVerified(t)):(this._markUnverified(t),this._debug("piece invalid %s",t)),e(null)}))})),lt,e)}rescanFiles(e){if(this.destroyed)throw new Error("torrent is destroyed");e||(e=_t),this._verifyPieces((t=>{if(t)return this._destroy(t),e(t);this._checkDone(),e(null)}))}_markAllVerified(){for(let e=0;e<this.pieces.length;e++)this._markVerified(e)}_markVerified(e){this.pieces[e]=null,this._reservations[e]=null,this.bitfield.set(e,!0)}_markUnverified(e){const t=e===this.pieces.length-1?this.lastPieceLength:this.pieceLength;this.pieces[e]=new qe(t),this.bitfield.set(e,!1),this.select(e,e,1),this.files.forEach((t=>{t.done&&t.includes(e)&&(t.done=!1)}))}_hasAllPieces(){for(let e=0;e<this.pieces.length;e++)if(!this.bitfield.get(e))return!1;return!0}_hasNoPieces(){return!this._hasMorePieces(0)}_hasMorePieces(e){let t=0;for(let n=0;n<this.pieces.length;n++)if(this.bitfield.get(n)&&(t+=1,t>e))return!0;return!1}_onStore(){this.destroyed||(this._debug("on store"),this._startDiscovery(),this.ready=!0,this.emit("ready"),this._checkDone(),this._updateSelections(),this.wires.forEach((e=>{e.ut_metadata&&e.ut_metadata.setMetadata(this.metadata),this._onWireWithMetadata(e)})))}destroy(e,t){if("function"==typeof e)return this.destroy(null,e);this._destroy(null,e,t)}_destroy(e,t,n){if("function"==typeof t)return this._destroy(e,null,t);if(this.destroyed)return;this.destroyed=!0,this._debug("destroy"),this.client._remove(this),clearInterval(this._rechokeIntervalId),clearInterval(this._noPeersIntervalId),this._xsRequestsController?.abort(),this._rarityMap&&this._rarityMap.destroy();for(const e in this._peers)this.removePeer(e);this.files.forEach((e=>{e instanceof Je&&e._destroy()}));const i=this._servers.map((e=>t=>{e.destroy(t)}));if(this.discovery&&i.push((e=>{this.discovery.destroy(e)})),this.store){let e=this._destroyStoreOnDestroy;t&&void 0!==t.destroyStore&&(e=t.destroyStore),i.push((t=>{e?this.store.destroy(t):this.store.close(t)}))}l(i,n),e&&(0===this.listenerCount("error")?this.client.emit("error",e):this.emit("error",e)),this.emit("close"),this.client=null,this.files=[],this.discovery=null,this.store=null,this._rarityMap=null,this._peers=null,this._servers=null,this._xsRequests=null}addPeer(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");let n;if(this.client.blocked){if("string"==typeof e){let t;try{t=X(e)}catch(t){return this._debug("ignoring peer: invalid %s",e),this.emit("invalidPeer",e),!1}n=t[0]}else"string"==typeof e.remoteAddress&&(n=e.remoteAddress);if(n&&this.client.blocked.contains(n))return this._debug("ignoring peer: blocked %s",e),"string"!=typeof e&&e.destroy(),this.emit("blockedPeer",e),!1}const i=this.client.utp&&this._isIPv4(n)?"utp":"tcp",r=!!this._addPeer(e,i,t);return r?this.emit("peer",e):this.emit("invalidPeer",e),r}_addPeer(e,t,n){if(this.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!this._validAddr(e))return this._debug("ignoring peer: invalid %s",e),null;const i=e&&e.id||e;if(this._peers[i])return this._debug("ignoring peer: duplicate (%s)",i),"string"!=typeof e&&e.destroy(),null;if(this.paused)return this._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null;let r;return this._debug("add peer %s",i),r="string"==typeof e?"utp"===t?Xe.default.createUTPOutgoingPeer(e,this,this.client.throttleGroups):Xe.default.createTCPOutgoingPeer(e,this,this.client.throttleGroups):Xe.default.createWebRTCPeer(e,this,this.client.throttleGroups),this._registerPeer(r),"string"==typeof e&&(this._queue.push(r),this._drain()),r}addWebSeed(e){if(this.destroyed)throw new Error("torrent is destroyed");let t,n;if("string"==typeof e){if(t=e,!/^https?:\/\/.+/.test(t))return this.emit("warning",new Error(`ignoring invalid web seed: ${t}`)),void this.emit("invalidPeer",t);if(this._peers[t])return this.emit("warning",new Error(`ignoring duplicate web seed: ${t}`)),void this.emit("invalidPeer",t);n=new st(t,this)}else{if(!e||"string"!=typeof e.connId)return void this.emit("warning",new Error("addWebSeed must be passed a string or connection object with id property"));if(n=e,t=n.connId,this._peers[t])return this.emit("warning",new Error(`ignoring duplicate web seed: ${t}`)),void this.emit("invalidPeer",t)}this._debug("add web seed %s",t);const i=Xe.default.createWebSeedPeer(n,t,this,this.client.throttleGroups);this._registerPeer(i),this.emit("peer",t)}_addIncomingPeer(e){return this.destroyed?e.destroy(new Error("torrent is destroyed")):this.paused?e.destroy(new Error("torrent is paused")):(this._debug("add incoming peer %s",e.id),void this._registerPeer(e))}_registerPeer(e){e.on("download",(e=>{this.destroyed||(this.received+=e,this._downloadSpeed(e),this.client._downloadSpeed(e),this.emit("download",e),this.destroyed||this.client.emit("download",e))})),e.on("upload",(e=>{this.destroyed||(this.uploaded+=e,this._uploadSpeed(e),this.client._uploadSpeed(e),this.emit("upload",e),this.destroyed||this.client.emit("upload",e))})),this._peers[e.id]=e,this._peersLength+=1}removePeer(e){const t=e?.id||e;e&&!e.id&&(e=this._peers?.[t]),e&&(e.destroy(),this.destroyed||(this._debug("removePeer %s",t),delete this._peers[t],this._peersLength-=1,this._drain()))}select(e,t,n,i){if(this.destroyed)throw new Error("torrent is destroyed");if(e<0||t<e||this.pieces.length<=t)throw new Error(`invalid selection ${e} : ${t}`);n=Number(n)||0,this._debug("select %s-%s (priority %s)",e,t,n),this._selections.push({from:e,to:t,offset:0,priority:n,notify:i||_t}),this._selections.sort(((e,t)=>t.priority-e.priority)),this._updateSelections()}deselect(e,t,n){if(this.destroyed)throw new Error("torrent is destroyed");n=Number(n)||0,this._debug("deselect %s-%s (priority %s)",e,t,n);for(let i=0;i<this._selections.length;++i){const r=this._selections[i];if(r.from===e&&r.to===t&&r.priority===n){this._selections.splice(i,1);break}}this._updateSelections()}critical(e,t){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("critical %s-%s",e,t);for(let n=e;n<=t;++n)this._critical[n]=!0;this._updateSelections()}_onWire(e,t){if(this._debug("got wire %s (%s)",e._debugId,t||"Unknown"),this.wires.push(e),t){const n=X(t);e.remoteAddress=n[0],e.remotePort=n[1]}this.client.dht&&this.client.dht.listening&&e.on("port",(n=>{if(!this.destroyed&&!this.client.dht.destroyed){if(!e.remoteAddress)return this._debug("ignoring PORT from peer with no address");if(0===n||n>65536)return this._debug("ignoring invalid PORT from peer");this._debug("port: %s (from %s)",n,t),this.client.dht.addNode({host:e.remoteAddress,port:n})}})),e.on("timeout",(()=>{this._debug("wire timeout (%s)",t),e.destroy()})),"webSeed"!==e.type&&e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(Ge(this.metadata)),e.ut_metadata.on("warning",(e=>{this._debug("ut_metadata warning: %s",e.message)})),this.metadata||(e.ut_metadata.on("metadata",(e=>{this._debug("got metadata via ut_metadata"),this._onMetadata(e)})),e.ut_metadata.fetch()),this.client.utPex&&"function"==typeof Ve&&!this.private&&(e.use(Ve()),e.ut_pex.on("peer",(e=>{this.done||(this._debug("ut_pex: got peer: %s (from %s)",e,t),this.addPeer(e,Xe.default.SOURCE_UT_PEX))})),e.ut_pex.on("dropped",(e=>{const n=this._peers[e];n&&!n.connected&&(this._debug("ut_pex: dropped peer: %s (from %s)",e,t),this.removePeer(e))})),e.once("close",(()=>{e.ut_pex.reset()}))),e.use(De()),this.emit("wire",e,t),this.ready&&u((()=>{this._onWireWithMetadata(e)}))}_onWireWithMetadata(e){let t=null;const n=()=>{this.destroyed||e.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&e.amInterested?e.destroy():(t=setTimeout(n,ht),t.unref&&t.unref()))};let i;const r=()=>{if(e.peerPieces.buffer.length===this.bitfield.buffer.length){for(i=0;i<this.pieces.length;++i)if(!e.peerPieces.get(i))return;e.isSeeder=!0,e.choke()}};e.on("bitfield",(()=>{r(),this._update(),this._updateWireInterest(e)})),e.on("have",(()=>{r(),this._update(),this._updateWireInterest(e)})),e.lt_donthave.on("donthave",(()=>{r(),this._update(),this._updateWireInterest(e)})),e.on("have-all",(()=>{e.isSeeder=!0,e.choke(),this._update(),this._updateWireInterest(e)})),e.on("have-none",(()=>{e.isSeeder=!1,this._update(),this._updateWireInterest(e)})),e.on("allowed-fast",(e=>{this._update()})),e.once("interested",(()=>{e.unchoke()})),e.once("close",(()=>{clearTimeout(t)})),e.on("choke",(()=>{clearTimeout(t),t=setTimeout(n,ht),t.unref&&t.unref()})),e.on("unchoke",(()=>{clearTimeout(t),this._update()})),e.on("request",((t,n,i,r)=>{if(i>131072)return e.destroy();this.pieces[t]||this.store.get(t,{offset:n,length:i},r)})),e.hasFast&&this._hasAllPieces()?e.haveAll():e.hasFast&&this._hasNoPieces()?e.haveNone():e.bitfield(this.bitfield),this._updateWireInterest(e),e.peerExtensions.dht&&this.client.dht&&this.client.dht.listening&&e.port(this.client.dht.address().port),"webSeed"!==e.type&&(t=setTimeout(n,ht),t.unref&&t.unref()),e.isSeeder=!1,r()}_updateSelections(){this.ready&&!this.destroyed&&(u((()=>{this._gcSelections()})),this._updateInterest(),this._update())}_gcSelections(){for(let e=0;e<this._selections.length;++e){const t=this._selections[e],n=t.offset;for(;this.bitfield.get(t.from+t.offset)&&t.from+t.offset<t.to;)t.offset+=1;n!==t.offset&&t.notify(),t.to===t.from+t.offset&&(this.bitfield.get(t.from+t.offset)&&(this._selections.splice(e,1),e-=1,t.notify(),this._updateInterest()))}this._selections.length||this.emit("idle")}_updateInterest(){const e=this._amInterested;this._amInterested=!!this._selections.length,this.wires.forEach((e=>this._updateWireInterest(e))),e!==this._amInterested&&(this._amInterested?this.emit("interested"):this.emit("uninterested"))}_updateWireInterest(e){let t=!1;for(let n=0;n<this.pieces.length;++n)if(this.pieces[n]&&e.peerPieces.get(n)){t=!0;break}t?e.interested():e.uninterested()}_update(){pt?pt((()=>this._updateWireWrapper()),{timeout:250}):this._updateWireWrapper()}_updateWireWrapper(){if(this.destroyed)return;const e=$e(this.wires);let t;for(;t=e();)this._updateWire(t)}_updateWire(e){if(e.destroyed)return!1;const t=this,n=mt(e,.5);if(e.requests.length>=n)return;const i=mt(e,1);if(e.peerChoking)e.hasFast&&e.peerAllowedFastSet.length>0&&!this._hasMorePieces(e.peerAllowedFastSet.length-1)&&function(){if(e.requests.length>=i)return!1;for(const n of e.peerAllowedFastSet){if(e.peerPieces.get(n)&&!t.bitfield.get(n))for(;t._request(e,n,!1)&&e.requests.length<i;);if(!(e.requests.length<i))return!0}}();else{if(!e.downloaded)return function(){if(e.requests.length)return;let n=t._selections.length;for(;n--;){const i=t._selections[n];let s;if("rarest"===t.strategy){const n=i.from+i.offset,o=i.to,a=o-n+1,h={};let c=0;const l=r(n,o,h);for(;c<a&&(s=t._rarityMap.getRarestPiece(l),!(s<0));){if(t._request(e,s,!1))return;h[s]=!0,c+=1}}else for(s=i.to;s>=i.from+i.offset;--s)if(e.peerPieces.get(s)&&t._request(e,s,!1))return}}();o(!1)||o(!0)}function r(t,n,i,r){return s=>s>=t&&s<=n&&!(s in i)&&e.peerPieces.get(s)&&(!r||r(s))}function s(e){let n=e;for(let i=e;i<t._selections.length&&t._selections[i].priority;i++)n=i;const i=t._selections[e];t._selections[e]=t._selections[n],t._selections[n]=i}function o(n){if(e.requests.length>=i)return!0;const o=function(){const n=e.downloadSpeed()||1;if(n>ct)return()=>!0;const i=Math.max(1,e.requests.length)*qe.BLOCK_LENGTH/n;let r=10,s=0;return e=>{if(!r||t.bitfield.get(e))return!0;let o=t.pieces[e].missing;for(;s<t.wires.length;s++){const a=t.wires[s],h=a.downloadSpeed();if(!(h<ct)&&!(h<=n)&&a.peerPieces.get(e)&&!((o-=h*i)>0))return r--,!1}return!0}}();for(let a=0;a<t._selections.length;a++){const h=t._selections[a];let c;if("rarest"===t.strategy){const l=h.from+h.offset,u=h.to,d=u-l+1,f={};let p=0;const g=r(l,u,f,o);for(;p<d&&(c=t._rarityMap.getRarestPiece(g),!(c<0));){for(;t._request(e,c,t._critical[c]||n)&&e.requests.length<i;);if(!(e.requests.length<i))return h.priority&&s(a),!0;f[c]=!0,p++}}else for(c=h.from+h.offset;c<=h.to;c++)if(e.peerPieces.get(c)&&o(c)){for(;t._request(e,c,t._critical[c]||n)&&e.requests.length<i;);if(!(e.requests.length<i))return h.priority&&s(a),!0}}return!1}}_rechoke(){if(!this.ready)return;const e=this.wires.map((e=>({wire:e,random:Math.random()}))).sort(((e,t)=>{const n=e.wire,i=t.wire;return n.downloadSpeed()!==i.downloadSpeed()?n.downloadSpeed()-i.downloadSpeed():n.uploadSpeed()!==i.uploadSpeed()?n.uploadSpeed()-i.uploadSpeed():n.amChoking!==i.amChoking?n.amChoking?-1:1:e.random-t.random})).map((e=>e.wire));this._rechokeOptimisticTime<=0?this._rechokeOptimisticWire=null:this._rechokeOptimisticTime-=1;let t=0;for(;e.length>0&&t<this._rechokeNumSlots-1;){const n=e.pop();n.isSeeder||n===this._rechokeOptimisticWire||(n.unchoke(),n.peerInterested&&t++)}if(null===this._rechokeOptimisticWire&&this._rechokeNumSlots>0){const t=e.filter((e=>e.peerInterested));if(t.length>0){const e=t[(n=t.length,Math.random()*n|0)];e.unchoke(),this._rechokeOptimisticWire=e,this._rechokeOptimisticTime=2}}var n;e.filter((e=>e!==this._rechokeOptimisticWire)).forEach((e=>e.choke()))}_hotswap(e,t){const n=e.downloadSpeed();if(n<qe.BLOCK_LENGTH)return!1;if(!this._reservations[t])return!1;const i=this._reservations[t];if(!i)return!1;let r,s,o=1/0;for(s=0;s<i.length;s++){const t=i[s];if(!t||t===e)continue;const a=t.downloadSpeed();a>=ct||(2*a>n||a>o||(r=t,o=a))}if(!r)return!1;for(s=0;s<i.length;s++)i[s]===r&&(i[s]=null);for(s=0;s<r.requests.length;s++){const e=r.requests[s];e.piece===t&&this.pieces[t].cancel(e.offset/qe.BLOCK_LENGTH|0)}return this.emit("hotswap",r,e,t),!0}_request(e,t,n){const i=this,r=e.requests.length,s="webSeed"===e.type;if(i.bitfield.get(t))return!1;const o=s?Math.min(function(e,t,n){return 1+Math.ceil(t*e.downloadSpeed()/n)}(e,1,i.pieceLength),i.maxWebConns):mt(e,1);if(r>=o)return!1;const a=i.pieces[t];let h=s?a.reserveRemaining():a.reserve();if(-1===h&&n&&i._hotswap(e,t)&&(h=s?a.reserveRemaining():a.reserve()),-1===h)return!1;let c=i._reservations[t];c||(c=i._reservations[t]=[]);let l=c.indexOf(null);-1===l&&(l=c.length),c[l]=e;const f=a.chunkOffset(h),p=s?a.chunkLengthRemaining(h):a.chunkLength(h);function g(){u((()=>{i._update()}))}return e.request(t,f,p,(async function n(r,o){if(i.destroyed)return;if(!i.ready)return i.once("ready",(()=>{n(r,o)}));if(c[l]===e&&(c[l]=null),a!==i.pieces[t])return g();if(r)return i._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,f,p,`${e.remoteAddress}:${e.remotePort}`,r.message),s?a.cancelRemaining(h):a.cancel(h),void g();if(i._debug("got piece %s (offset: %s length: %s) from %s",t,f,p,`${e.remoteAddress}:${e.remotePort}`),!a.set(h,o,e))return g();const u=a.flush(),m=await(0,d.vp)(u,"hex");i.destroyed||(m===i._hashes[t]?(i._debug("piece verified %s",t),i.store.put(t,u,(e=>{e?i._destroy(e):(i.pieces[t]=null,i._markVerified(t),i.wires.forEach((e=>{e.have(t)})),i._checkDone()&&!i.destroyed&&i.discovery.complete(),g())}))):(i.pieces[t]=new qe(a.length),i.emit("warning",new Error(`Piece ${t} failed verification`)),g()))})),!0}_checkDone(){if(this.destroyed)return;this.files.forEach((e=>{if(!e.done){for(let t=e._startPiece;t<=e._endPiece;++t)if(!this.bitfield.get(t))return;e.done=!0,e.emit("done"),this._debug(`file done: ${e.name}`)}}));let e=!0;for(const t of this._selections){for(let n=t.from;n<=t.to;n++)if(!this.bitfield.get(n)){e=!1;break}if(!e)break}return!this.done&&e?(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done")):this.done=!1,this._gcSelections(),e}async load(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",(()=>{this.load(e,t)}));Array.isArray(e)||(e=[e]),t||(t=_t);try{await ne(this.store,c(e),{chunkLength:this.pieceLength}),this._markAllVerified(),this._checkDone(),t(null)}catch(e){return t(e),e}}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const e=[].slice.call(arguments);e[0]=`[${this.client?this.client._debugId:"No Client"}] [${this._debugId}] ${e[0]}`,at(...e)}_drain(){if(this._debug("_drain numConns %s maxConns %s",this._numConns,this.client.maxConns),"function"!=typeof K.connect||this.destroyed||this.paused||this._numConns>=this.client.maxConns)return;this._debug("drain (%s queued, %s/%s peers)",this._numQueued,this.numPeers,this.client.maxConns);const e=this._queue.shift();if(!e)return;this._debug("%s connect attempt to %s",e.type,e.addr);const t=X(e.addr),n={host:t[0],port:t[1]};this.client.utp&&e.type===Xe.default.TYPE_UTP_OUTGOING?e.conn=et.connect(n.port,n.host):e.conn=K.connect(n);const i=e.conn;i.once("connect",(()=>{this.destroyed||e.onConnect()})),i.once("error",(t=>{e.destroy(t)})),e.startConnectTimeout(),i.on("close",(()=>{if(this.destroyed)return;if(e.retries>=ut.length){if(this.client.utp){const t=this._addPeer(e.addr,"tcp",e.source);t&&(t.retries=0)}else this._debug("conn %s closed: will not re-add (max %s attempts)",e.addr,ut.length);return}const t=ut[e.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",e.addr,t,e.retries+1);const n=setTimeout((()=>{if(this.destroyed)return;const t=X(e.addr)[0],n=this.client.utp&&this._isIPv4(t)?"utp":"tcp",i=this._addPeer(e.addr,n,e.source);i&&(i.retries=e.retries+1)}),t);n.unref&&n.unref()}))}_validAddr(e){let t;try{t=X(e)}catch(e){return!1}const n=t[0],i=t[1];return i>0&&i<65535&&!("127.0.0.1"===n&&i===this.client.torrentPort)}_isIPv4(e){return/^((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$/.test(e)}}function mt(e,t){let n=2+Math.ceil(t*e.downloadSpeed()/qe.BLOCK_LENGTH);if(e.peerExtendedHandshake){const t=e.peerExtendedHandshake.reqq;"number"==typeof t&&t>0&&(n=Math.min(n,t))}return n}function _t(){}var yt=r(3423),wt=r(5573),bt=r(4286),vt=r(4622);class kt{constructor(e,t={}){this.client=e,t.origin||(t.origin="*"),this.opts=t,this.pendingReady=new Set}static serveIndexPage(e,t,n){const i=t.map((e=>`<li>\n <a href="${wt(n)}/${e.infoHash}">\n ${wt(e.name)}\n </a>\n (${wt(e.length)} bytes)\n </li>`)).join("<br>");return e.status=200,e.headers["Content-Type"]="text/html",e.body=St("WebTorrent",`<h1>WebTorrent</h1>\n <ol>${i}</ol>`),e}isOriginAllowed(e){return!1!==this.opts.origin&&("*"===this.opts.origin||e.headers.origin===this.opts.origin)}static serveMethodNotAllowed(e){return e.status=405,e.headers["Content-Type"]="text/html",e.body=St("405 - Method Not Allowed","<h1>405 - Method Not Allowed</h1>"),e}static serve404Page(e){return e.status=404,e.headers["Content-Type"]="text/html",e.body=St("404 - Not Found","<h1>404 - Not Found</h1>"),e}static serveTorrentPage(e,t,n){const i=e.files.map((t=>`<li>\n <a href="${wt(n)}/${e.infoHash}/${wt(t.path)}">\n ${wt(t.path)}\n </a>\n (${wt(t.length)} bytes)\n </li>`)).join("<br>");return t.status=200,t.headers["Content-Type"]="text/html",t.body=St(`${wt(e.name)} - WebTorrent`,`<h1>${wt(e.name)}</h1>\n <ol>${i}</ol>`),t}static serveOptionsRequest(e,t){return t.status=204,t.headers["Access-Control-Max-Age"]="600",t.headers["Access-Control-Allow-Methods"]="GET,HEAD",e.headers["access-control-request-headers"]&&(t.headers["Access-Control-Allow-Headers"]=e.headers["access-control-request-headers"]),t}static serveFile(e,t,n){n.status=200,n.headers.Expires="0",n.headers["Cache-Control"]="no-cache, no-store, must-revalidate, max-age=0",n.headers["Accept-Ranges"]="bytes",n.headers["Content-Type"]=e.type,n.headers["transferMode.dlna.org"]="Streaming",n.headers["contentFeatures.dlna.org"]="DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000","document"===t.destination?(n.headers["Content-Type"]="application/octet-stream",n.headers["Content-Disposition"]=`attachment; filename*=UTF-8''${Ct(e.name)}`,n.body="DOWNLOAD"):n.headers["Content-Disposition"]=`inline; filename*=UTF-8''${Ct(e.name)}`;let i=vt(e.length,t.headers.range||"");if(Array.isArray(i)?(n.status=206,i=i[0],n.headers["Content-Range"]=`bytes ${i.start}-${i.end}/${e.length}`,n.headers["Content-Length"]=i.end-i.start+1):(n.statusCode=200,i=null,n.headers["Content-Length"]=e.length),"GET"===t.method){const r=e[Symbol.asyncIterator](i);let s=null;e.emit("iterator",{iterator:r,req:t,file:e},(e=>{s=e}));const o=M.Readable.from(s||r);let a=null;e.emit("stream",{stream:o,req:t,file:e},(e=>{a=bt(o,e)})),n.body=a||o}else n.body=!1;return n}async onRequest(e,t){let n=new URL(e.url,"http://example.com").pathname;n=n.slice(n.indexOf(this.pathname)+this.pathname.length+1);const i={headers:{"X-Content-Type-Options":"nosniff","Content-Security-Policy":"base-uri 'none'; frame-ancestors 'none'; form-action 'none';"}};if(this.isOriginAllowed(e)&&(i.headers["Access-Control-Allow-Origin"]="*"===this.opts.origin?"*":e.headers.origin),"favicon.ico"===n)return t(kt.serve404Page(i));if("OPTIONS"===e.method)return this.isOriginAllowed(e)?t(kt.serveOptionsRequest(e,i)):t(kt.serveMethodNotAllowed(i));const r=async()=>{this.pendingReady.delete(r);const e=await s();t(e)},s=async()=>{if(""===n)return kt.serveIndexPage(i,this.client.torrents,this.pathname);let[t,...r]=n.split("/");r=decodeURI(r.join("/"));const s=await this.client.get(t);if(!t||!s)return kt.serve404Page(i);if(!r)return kt.serveTorrentPage(s,i,this.pathname);const o=s.files.find((e=>e.path.replace(/\\/g,"/")===r));return o?kt.serveFile(o,e,i):kt.serve404Page(i)};if("GET"===e.method||"HEAD"===e.method){if(this.client.ready){const e=await s();return t(e)}return this.pendingReady.add(r),void this.client.once("ready",r)}return kt.serveMethodNotAllowed(i)}close(e=(()=>{})){this.closed=!0,this.pendingReady.forEach((e=>{this.client.removeListener("ready",e)})),this.pendingReady.clear(),u(e)}destroy(e=(()=>{})){this.closed?u(e):this.close(e),this.client=null}}class xt extends kt{constructor(e,t){super(e,t),this.server=yt.createServer(),this._listen=this.server.listen,this.server.listen=this.listen.bind(this),this._close=this.server.close,this.server.close=this.close.bind(this),this.sockets=new Set,this.closed=!1,this.pathname=t?.pathname||"/webtorrent"}wrapRequest(e,t){return this.opts.hostname&&e.headers.host!==`${this.opts.hostname}:${this.server.address().port}`?e.destroy():new URL(e.url,"http://example.com").pathname.startsWith(this.pathname)?void this.onRequest(e,(({status:e,headers:n,body:i})=>{t.writeHead(e,n),i instanceof M.Readable?bt(i,t):t.end(i)})):e.destroy()}onConnection(e){e.setTimeout(36e6),this.sockets.add(e),e.once("close",(()=>{this.sockets.delete(e)}))}address(){return this.server.address()}listen(...e){return this.closed=!1,this.server.on("connection",this.onConnection.bind(this)),this.server.on("request",this.wrapRequest.bind(this)),this._listen.apply(this.server,e)}close(e=(()=>{})){this.server.removeAllListeners("connection"),this.server.removeAllListeners("request"),super.close(),this._close.call(this.server,e)}destroy(e){this.sockets.forEach((e=>{e.destroy()})),super.destroy(e)}}class Et extends kt{constructor(e,t){super(e,t),this.registration=t.controller,this.workerKeepAliveInterval=null,this.workerPortCount=0;const n=new URL(t.controller.scope);this.pathname=n.pathname+"webtorrent",this._address={port:n.port,family:"IPv4",address:n.hostname},this.boundHandler=this.wrapRequest.bind(this),navigator.serviceWorker.addEventListener("message",this.boundHandler),fetch(`${this.pathname}/cancel/`).then((e=>{e.body.cancel()}))}wrapRequest(e){const t=e.data;if("webtorrent"===!t?.type||!t.url)return null;const[n]=e.ports;this.onRequest(t,(({status:e,headers:t,body:i})=>{const r=i instanceof M.Readable&&i[Symbol.asyncIterator](),s=()=>{n.onmessage=null,i?.destroy&&i.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};n.onmessage=async e=>{if(e.data){let e;try{e=(await r.next()).value}catch(e){}n.postMessage(e),e||s(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval((()=>fetch(`${this.pathname}/keepalive/`)),2e4))}else s()},this.workerPortCount++,n.postMessage({status:e,headers:t,body:r?"STREAM":i})}))}listen(e,t){t()}address(){return this._address}close(e){navigator.serviceWorker.removeEventListener("message",this.boundHandler),super.close(e)}destroy(e){super.destroy(e)}}function St(e,t){return`\n <!DOCTYPE html>\n <html lang="en">\n <head>\n <meta charset="utf-8">\n <title>${e}</title>\n </head>\n <body>\n ${t}\n </body>\n </html>\n `}function Ct(e){return encodeURIComponent(e).replace(/['()]/g,escape).replace(/\*/g,"%2A").replace(/%(?:7C|60|5E)/g,unescape)}const At=nt,Tt=k("webtorrent"),Pt=At.replace(/\d*./g,(e=>("0"+e%100).slice(-2))).slice(0,4),It=`-WW${Pt}-`;class Rt extends e{constructor(e={}){super(),"string"==typeof e.peerId?this.peerId=e.peerId:ArrayBuffer.isView(e.peerId)?this.peerId=(0,d.oc)(e.peerId):this.peerId=(0,d.oc)((0,d.gR)(It+(0,d.te)((0,d.O6)(9)))),this.peerIdBuffer=(0,d._0)(this.peerId),"string"==typeof e.nodeId?this.nodeId=e.nodeId:ArrayBuffer.isView(e.nodeId)?this.nodeId=(0,d.oc)(e.nodeId):this.nodeId=(0,d.oc)((0,d.O6)(20)),this.nodeIdBuffer=(0,d._0)(this.nodeId),this._debugId=(0,d.oc)(this.peerId).substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=e.torrentPort||0,this.dhtPort=e.dhtPort||0,this.tracker=void 0!==e.tracker?e.tracker:{},this.lsd=!1!==e.lsd,this.utPex=!1!==e.utPex,this.torrents=[],this.maxConns=Number(e.maxConns)||55,this.utp=Rt.UTP_SUPPORT&&!1!==e.utp,this._downloadLimit=Math.max("number"==typeof e.downloadLimit?e.downloadLimit:-1,-1),this._uploadLimit=Math.max("number"==typeof e.uploadLimit?e.uploadLimit:-1,-1),!0===e.secure&&Promise.resolve().then(r.bind(r,3287)).then((({enableSecure:e})=>e())),this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.throttleGroups={down:new z.ThrottleGroup({rate:Math.max(this._downloadLimit,0),enabled:this._downloadLimit>=0}),up:new z.ThrottleGroup({rate:Math.max(this._uploadLimit,0),enabled:this._uploadLimit>=0})},this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),globalThis.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=globalThis.WRTC)),"function"==typeof G?this._connPool=new G(this):u((()=>{this._onListening()})),this._downloadSpeed=W(),this._uploadSpeed=W(),!1!==e.dht&&"function"==typeof x.Client?(this.dht=new x.Client(Object.assign({},{nodeId:this.nodeId},e.dht)),this.dht.once("error",(e=>{this._destroy(e)})),this.dht.once("listening",(()=>{const e=this.dht.address();e&&(this.dhtPort=e.port)})),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==e.webSeeds;const t=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof E&&null!=e.blocklist?E(e.blocklist,{headers:{"user-agent":`WebTorrent/${At} (https://webtorrent.io)`}},((e,n)=>{if(e)return console.error(`Failed to load blocklist: ${e.message}`);this.blocked=n,t()})):u(t)}createServer(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(this._server)throw new Error("server already created");if("undefined"!=typeof window&&"node"!==t||"browser"===t){if(!(e?.controller instanceof ServiceWorkerRegistration))throw new Error("Invalid worker registration");if("activated"!==e.controller.active.state)throw new Error("Worker isn't activated");return this._server=new Et(this,e),this._server}return this._server=new xt(this,e),this._server}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const e=this.torrents.filter((e=>1!==e.progress));return e.reduce(((e,t)=>e+t.downloaded),0)/(e.reduce(((e,t)=>e+(t.length||0)),0)||1)}get ratio(){return this.torrents.reduce(((e,t)=>e+t.uploaded),0)/(this.torrents.reduce(((e,t)=>e+t.received),0)||1)}async get(e){if(e instanceof gt){if(this.torrents.includes(e))return e}else{const t=this.torrents;let n;try{n=await B(e)}catch(e){}if(!n)return null;if(!n.infoHash)throw new Error("Invalid torrent identifier");for(const e of t)if(e.infoHash===n.infoHash)return e}return null}add(e,t={},n=(()=>{})){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,n]=[{},t]);const i=()=>{if(!this.destroyed)for(const e of this.torrents)if(e.infoHash===s.infoHash&&e!==s)return s._destroy(new Error(`Cannot add duplicate torrent ${s.infoHash}`)),void n(e)},r=()=>{this.destroyed||(n(s),this.emit("torrent",s))};this._debug("add"),t=t?Object.assign({},t):{};const s=new gt(e,this,t);return this.torrents.push(s),s.once("_infoHash",i),s.once("ready",r),s.once("close",(function e(){s.removeListener("_infoHash",i),s.removeListener("ready",r),s.removeListener("close",e)})),s}seed(e,n,i){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof n&&([n,i]=[{},n]),this._debug("seed"),(n=n?Object.assign({},n):{}).skipVerify=!0;const r="string"==typeof e;r&&(n.path=t.dirname(e)),n.createdBy||(n.createdBy=`WebTorrent/${Pt}`);const s=e=>{this._debug("on seed"),"function"==typeof i&&i(e),e.emit("seed"),this.emit("seed",e)},o=this.add(null,n,(e=>{const t=[t=>{if(r||n.preloadedStore)return t();e.load(a,t)}];this.dht&&t.push((t=>{e.once("dhtAnnounce",t)})),l(t,(t=>{if(!this.destroyed)return t?e._destroy(t):void s(e)}))}));let a;var h;return h=e,"undefined"!=typeof FileList&&h instanceof FileList?e=Array.from(e):Array.isArray(e)||(e=[e]),l(e.map((e=>async t=>{if(!n.preloadedStore&&function(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}(e)){const n=[];try{for await(const t of e)n.push(t)}catch(e){return t(e)}const i=(0,d.zo)(n);i.name=e.name,t(null,i)}else t(null,e)})),((e,t)=>{if(!this.destroyed)return e?o._destroy(e):void function(e,t,n){"function"==typeof t&&([t,n]=[n,t]),m(e,t=t?Object.assign({},t):{},n)}(t,n,((e,r)=>{if(!this.destroyed){if(e)return o._destroy(e);a=r.map((e=>e.getStream)),v(t,n,(async(e,t)=>{if(this.destroyed)return;if(e)return o._destroy(e);const n=await this.get(t);n?(console.warn("A torrent with the same id is already being seeded"),o._destroy(),"function"==typeof i&&i(n)):o._onTorrentId(t)}))}}))})),o}async remove(e,t,n){if("function"==typeof t)return this.remove(e,null,t);this._debug("remove");const i=await this.get(e);if(!i)throw new Error(`No torrent with id ${e}`);this._remove(i,t,n)}_remove(e,t,n){if(e){if("function"==typeof t)return this._remove(e,null,t);this.torrents.splice(this.torrents.indexOf(e),1),e.destroy(t,n),this.dht&&this.dht._tables.remove(e.infoHash)}}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._downloadLimit=e,this._downloadLimit<0?this.throttleGroups.down.setEnabled(!1):(this.throttleGroups.down.setEnabled(!0),void this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._uploadLimit=e,this._uploadLimit<0?this.throttleGroups.up.setEnabled(!1):(this.throttleGroups.up.setEnabled(!0),void this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)}_destroy(e,t){this._debug("client destroy"),this.destroyed=!0;const n=this.torrents.map((e=>t=>{e.destroy(t)}));this._connPool&&n.push((e=>{this._connPool.destroy(e)})),this.dht&&n.push((e=>{this.dht.destroy(e)})),this._server&&n.push((e=>{this._server.destroy(e)})),l(n,t),e&&this.emit("error",e),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const e=this._connPool.tcpServer.address();e&&(this.torrentPort=e.port)}this.emit("listening")}_debug(){const e=[].slice.call(arguments);e[0]=`[${this._debugId}] ${e[0]}`,Tt(...e)}async _getByHash(e){for(const t of this.torrents)if(t.infoHashHash||(t.infoHashHash=await(0,d.vp)((0,d._0)("72657132"+t.infoHash),"hex")),e===t.infoHashHash)return t;return null}}Rt.WEBRTC_SUPPORT=$.WEBRTC_SUPPORT,Rt.UTP_SUPPORT=G.UTP_SUPPORT,Rt.VERSION=At})();var o=s.Z;export{o as default};
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