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a.A(this.type,this.retries,f);t.once("end",()=>{this.destroy()}),t.once("close",()=>{this.destroy()}),t.once("finish",()=>{this.destroy()}),t.once("error",e=>{this.destroy(e)}),t.once("pe1",()=>{this.onPe1()}),t.once("pe2",()=>{this.onPe2()}),t.once("pe3",()=>{this.onPe3()}),t.once("pe4",()=>{this.onPe4()}),t.once("handshake",(e,t)=>{this.onHandshake(e,t)}),this.startHandshakeTimeout(),this.setThrottlePipes(),this.swarm&&("tcpOutgoing"===this.type?f&&0===this.retries&&!this.sentPe1?this.sendPe1():this.sentHandshake||this.handshake():"tcpIncoming"===this.type||this.sentHandshake||this.handshake())}sendPe1(){this.wire.sendPe1(),this.sentPe1=!0}onPe1(){this.sendPe2()}sendPe2(){this.wire.sendPe2(),this.sentPe2=!0}onPe2(){this.sendPe3()}sendPe3(){this.wire.sendPe3(this.swarm.infoHash),this.sentPe3=!0}onPe3(e){this.swarm&&(this.swarm.infoHashHash!==e&&this.destroy(new Error("unexpected crypto handshake info hash for this 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t)Object.defineProperty(e,i,{value:t[i],enumerable:!0,configurable:!0});return e}e.exports=function(e,i,s){if(!e||"string"==typeof e)throw new TypeError("Please pass an Error to err-code");s||(s={}),"object"==typeof i&&(s=i,i=""),i&&(s.code=i);try{return t(e,s)}catch(i){s.message=e.message,s.stack=e.stack;const n=function(){};n.prototype=Object.create(Object.getPrototypeOf(e));return t(new n,s)}}},6458:(e,t,i)=>{i.d(t,{A:()=>O});var s=i(988),n=i(3033),r=i(7264),o=i(7833),a=i(8727),h=i(8179),l=i(9639),c=i(1035),d=i(1314);const u=o("bittorrent-protocol"),p=(0,l.L0)("BitTorrent protocol"),f=new Uint8Array([0,0,0,0]),m=new Uint8Array([0,0,0,1,0]),_=new Uint8Array([0,0,0,1,1]),g=new Uint8Array([0,0,0,1,2]),y=new 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]),S=new Uint8Array([0,0,1,2]),E=new Uint8Array([0,0,0,2]);function C(e,t){for(let i=e.length;i--;)e[i]^=t[i];return e}function A(e,t=0){return e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3]}function P(e,t,i){e[t]=i>>>24&255,e[t+1]=i>>>16&255,e[t+2]=i>>>8&255,e[t+3]=255&i}class T{constructor(e,t,i,s){this.piece=e,this.offset=t,this.length=i,this.callback=s}}class I{constructor(){this.buffer=new Uint8Array}get(e){return!0}set(e){}}class L extends h.Duplex{constructor(e=null,t=0,i=!1){super(),this._debugId=(0,l.V5)((0,l.po)(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 n.A(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=c(),this.downloadSpeed=c(),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=i,i?(this._dh=r.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 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e=Math.floor(513*Math.random()),t=(0,l.po)(e);this._push((0,l.xW)([(0,l.fk)(this._myPubKey),t]))}}sendPe2(){const e=Math.floor(513*Math.random()),t=(0,l.po)(e);this._push((0,l.xW)([(0,l.fk)(this._myPubKey),t]))}async sendPe3(e){await this.setEncrypt(this._sharedSecret,e);const t=await(0,l.tW)((0,l.fk)(this._utfToHex("req1")+this._sharedSecret)),i=C(await(0,l.tW)((0,l.fk)(this._utfToHex("req2")+e)),await(0,l.tW)((0,l.fk)(this._utfToHex("req3")+this._sharedSecret))),s=new DataView((0,l.po)(2).buffer).getUint16(0)%512,n=(0,l.po)(s);let r=new Uint8Array(14+s+2);r.set(x),r.set(S,8);const o=new DataView(r.buffer);o.setInt16(12,s),n.copy(r,14),o.setInt16(14+s,0),r=this._encryptHandshake(r),this._push((0,l.xW)([t,i,r]))}async sendPe4(e){await this.setEncrypt(this._sharedSecret,e);const t=new DataView((0,l.po)(2).buffer).getUint16(0)%512,i=(0,l.po)(t);let s=new Uint8Array(14+t);const n=new DataView(s.buffer);s.set(x),s.set(E,8),n.setInt16(12,t),s.set(i,14),s=this._encryptHandshake(s),this._push(s),this._cryptoHandshakeDone=!0,this._debug("completed crypto handshake")}handshake(e,t,i){let s,n;if("string"==typeof e?(e=e.toLowerCase(),s=(0,l.fk)(e)):(s=e,e=(0,l.V5)(s)),"string"==typeof t?n=(0,l.fk)(t):(n=t,t=(0,l.V5)(n)),this._infoHash=s,20!==s.length||20!==n.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,i);const r=new Uint8Array(w);this.extensions={extended:!0,dht:!(!i||!i.dht),fast:!(!i||!i.fast)},r[5]|=16,this.extensions.dht&&(r[7]|=1),this.extensions.fast&&(r[7]|=4),this.extensions.fast&&this.peerExtensions.fast&&(this._debug("fast extension is enabled"),this.hasFast=!0),this._push((0,l.xW)([p,r,s,n])),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 i=this.extendedMapping[t];e.m[i]=Number(t)}this.extended(0,s.A.encode(e)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking)if(this.amChoking=!0,this._debug("choke"),this._push(m),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(_))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(g))}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,i,s){return s||(s=()=>{}),this._finished?s(new Error("wire is closed")):!this.peerChoking||this.hasFast&&this.peerAllowedFastSet.includes(e)?(this._debug("request index=%d offset=%d length=%d",e,t,i),this.requests.push(new T(e,t,i,s)),this._timeout||this._resetTimeout(!0),void this._message(6,[e,t,i],null)):s(new Error("peer is choking"))}piece(e,t,i){this._debug("piece index=%d offset=%d",e,t),this._message(7,[e,t],i),this.uploaded+=i.length,this.uploadSpeed(i.length),this.emit("upload",i.length)}cancel(e,t,i){this._debug("cancel index=%d offset=%d length=%d",e,t,i),this._callback(this._pull(this.requests,e,t,i),new Error("request was cancelled"),null),this._message(8,[e,t,i],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,i){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("reject index=%d offset=%d length=%d",e,t,i),this._pull(this.peerRequests,e,t,i),this._message(16,[e,t,i],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 i=new Uint8Array([e]),n=ArrayBuffer.isView(t)?t:s.A.encode(t);this._message(20,[],(0,l.xW)([i,n]))}}async setEncrypt(e,t){if(!this.type.startsWith("tcp"))return!1;const i="tcpOutgoing"===this.type,s=new a([...await(0,l.tW)((0,l.fk)(this._utfToHex("keyA")+e+t))]),n=new a([...await(0,l.tW)((0,l.fk)(this._utfToHex("keyB")+e+t))]);this._encryptGenerator=i?s:n,this._decryptGenerator=i?n:s;for(let e=0;e<1024;e++)this._encryptGenerator.randomByte(),this._decryptGenerator.randomByte();return this._setGenerators=!0,this.emit("_generators"),!0}_message(e,t,i){const s=i?i.length:0,n=new Uint8Array(5+4*t.length);P(n,0,n.length+s-4),n[4]=e;for(let e=0;e<t.length;e++)P(n,5+4*e,t[e]);this._push(n),i&&this._push(i)}_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,l.V5)(e),this._sharedSecret=this._dh.computeSecret(this._peerPubKey,"hex","hex"),this.emit("pe1")}_onPe2(e){this._peerPubKey=(0,l.V5)(e),this._sharedSecret=this._dh.computeSecret(this._peerPubKey,"hex","hex"),this.emit("pe2")}async _onPe3(e){const t=await(0,l.tW)((0,l.fk)(this._utfToHex("req3")+this._sharedSecret)),i=(0,l.V5)(C(t,e));this.emit("pe3",i)}_onPe3Encrypted(e,t){if(!(0,l.LC)(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],S.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,i){const s=(0,l.V5)(e),n=(0,l.V5)(t);this._debug("got handshake i=%s p=%s exts=%o",s,n,i),this.peerId=n,this.peerIdBuffer=t,this.peerExtensions=i,this.extensions.fast&&this.peerExtensions.fast&&(this._debug("fast extension is enabled"),this.hasFast=!0),this.emit("handshake",s,n,i);for(const e in this._ext)this._ext[e].onHandshake(s,n,i);i.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 n.A(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(e,t,i){if(this.amChoking&&(!this.hasFast||!this.allowedFastSet.includes(e)))return void(this.hasFast&&this.reject(e,t,i));this._debug("got request index=%d offset=%d length=%d",e,t,i);const s=(s,r)=>{if(n===this._pull(this.peerRequests,e,t,i))return s?(this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,i,s.message),void(this.hasFast&&this.reject(e,t,i))):void this.piece(e,t,r)},n=new T(e,t,i,s);this.peerRequests.push(n),this.emit("request",e,t,i,s)}_onPiece(e,t,i){this._debug("got piece index=%d offset=%d",e,t),this._callback(this._pull(this.requests,e,t,i.length),null,i),this.downloaded+=i.length,this.downloadSpeed(i.length),this.emit("download",i.length),this.emit("piece",e,t,i)}_onCancel(e,t,i){this._debug("got cancel index=%d offset=%d length=%d",e,t,i),this._pull(this.peerRequests,e,t,i),this.emit("cancel",e,t,i)}_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 I,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,i){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,i),this._callback(this._pull(this.requests,e,t,i),new Error("request was rejected"),null),this.emit("reject",e,t,i)}_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=s.A.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,l.xW)(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.subarray(this._parserSize)]:[],this._parser(e.subarray(0,this._parserSize))}t(null)}_callback(e,t,i){e&&(this._resetTimeout(!this.peerChoking&&!this._finished),e.callback(t,i))}_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=A(e);t>0?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(e){switch(this._parse(4,this._onMessageLength),e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(A(e,1));case 5:return this._onBitField(e.subarray(1));case 6:return this._onRequest(A(e,1),A(e,5),A(e,9));case 7:return this._onPiece(A(e,1),A(e,5),e.subarray(9));case 8:return this._onCancel(A(e,1),A(e,5),A(e,9));case 9:return this._onPort(e[1]<<8|e[2]);case 13:return this._onSuggest(A(e,1));case 14:return this._onHaveAll();case 15:return this._onHaveNone();case 16:return this._onReject(A(e,1),A(e,5),A(e,9));case 17:return this._onAllowedFast(A(e,1));case 20:return this._onExtended(e[1],e.subarray(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,l.xW)([e,t])),this._parsePe3()})}_parsePe2(){this._parse(96,async e=>{this._onPe2(e),this._setGenerators||await new Promise(e=>this.once("_generators",e)),this._parsePe4()})}async _parsePe3(){const e=await(0,l.tW)((0,l.fk)(this._utfToHex("req1")+this._sharedSecret));this._parseUntil(e,512),this._parse(20,async e=>{this._onPe3(e),this._setGenerators||await new Promise(e=>this.once("_generators",e)),this._parsePe3Encrypted()})}_parsePe3Encrypted(){this._parse(14,e=>{const t=this._decryptHandshake(e.slice(0,8)),i=this._decryptHandshake(e.slice(8,12)),s=new DataView(this._decryptHandshake(e.slice(12,14)).buffer).getUint16(0);this._parse(s,e=>{e=this._decryptHandshake(e),this._parse(2,s=>{const n=new DataView(this._decryptHandshake(s).buffer).getUint16(0);this._parse(n,s=>{s=this._decryptHandshake(s),this._onPe3Encrypted(t,i,e,s);const r=n?s[0]:null,o=n?s.slice(1,20):null;19===r&&"BitTorrent protocol"===(0,l.dU)(o)?this._onHandshakeBuffer(s.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)),i=new DataView(this._decryptHandshake(e.slice(4,6)).buffer).getUint16(0);this._parse(i,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,l.dU)(t))return this._debug("Error: wire not speaking BitTorrent protocol (%s)",(0,l.dU)(t)),void this.end();e=e.slice(19),this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(1&e[7]),fast:!!(4&e[7]),extended:!!(16&e[5])}),this._parse(4,this._onMessageLength)}_onFinish(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,()=>{});this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)}_debug(...e){e[0]=`[${this._debugId}] ${e[0]}`,u(...e)}_pull(e,t,i,s){for(let n=0;n<e.length;n++){const r=e[n];if(r.piece===t&&r.offset===i&&r.length===s)return d(e,n),r}return null}_encryptHandshake(e){const t=new Uint8Array(e);if(!this._encryptGenerator)return this._debug("Warning: Encrypting without any generator"),t;for(let i=0;i<e.length;i++){const e=this._encryptGenerator.randomByte();t[i]=t[i]^e}return t}_encrypt(e){const t=new Uint8Array(e);if(!this._encryptGenerator||2!==this._encryptionMethod)return t;for(let i=0;i<e.length;i++){const e=this._encryptGenerator.randomByte();t[i]=t[i]^e}return t}_decryptHandshake(e){const t=new Uint8Array(e);if(!this._decryptGenerator)return this._debug("Warning: Decrypting without any generator"),t;for(let i=0;i<e.length;i++){const e=this._decryptGenerator.randomByte();t[i]=t[i]^e}return t}_decrypt(e){const t=new Uint8Array(e);if(!this._decryptGenerator||2!==this._encryptionMethod)return t;for(let i=0;i<e.length;i++){const e=this._decryptGenerator.randomByte();t[i]=t[i]^e}return t}_utfToHex(e){return(0,l.V5)((0,l.L0)(e))}}const O=L},6585:e=>{var t=1e3,i=60*t,s=60*i,n=24*s,r=7*n,o=365.25*n;function a(e,t,i,s){var n=t>=1.5*i;return Math.round(e/i)+" "+s+(n?"s":"")}e.exports=function(e,h){h=h||{};var l=typeof e;if("string"===l&&e.length>0)return function(e){if((e=String(e)).length>100)return;var a=/^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(e);if(!a)return;var 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e=this.stream;e._duplexState|=I;do{for(;(e._duplexState&Q)===O;){const t=this.shift();e._duplexState|=67371008,e._write(t,this.afterWrite)}1310720&e._duplexState||this.updateNonPrimary()}while(!0===this.continueUpdate());e._duplexState&=536346623}updateNonPrimary(){const e=this.stream;if((144965647&e._duplexState)===U)return e._duplexState=e._duplexState|T,void e._final(re.bind(this));4!==(e._duplexState&V)?1===(e._duplexState&J)&&(e._duplexState=(e._duplexState|W)&c,e._open(de.bind(this))):0===(e._duplexState&Y)&&(e._duplexState|=W,e._destroy(oe.bind(this)))}continueUpdate(){return 0!==(this.stream._duplexState&M)&&(this.stream._duplexState&=D,!0)}updateCallback(){(35127311&this.stream._duplexState)===L?this.update():this.updateNextTick()}updateNextTick(){0===(this.stream._duplexState&M)&&(this.stream._duplexState|=M,0===(this.stream._duplexState&I)&&h(this.afterUpdateNextTick))}}class te{constructor(e,{highWaterMark:t=16384,map:i=null,mapReadable:s,byteLength:n,byteLengthReadable:r}={}){this.stream=e,this.queue=new o,this.highWaterMark=0===t?1:t,this.buffered=0,this.readAhead=t>0,this.error=null,this.pipeline=null,this.byteLength=r||n||Se,this.map=s||i,this.pipeTo=null,this.afterRead=he.bind(this),this.afterUpdateNextTick=le.bind(this)}get ended(){return 0!==(this.stream._duplexState&b)}pipe(e,t){if(null!==this.pipeTo)throw new Error("Can only pipe to one destination");if("function"!=typeof t&&(t=null),this.stream._duplexState|=512,this.pipeTo=e,this.pipeline=new se(this.stream,e,t),t&&this.stream.on("error",Ee),xe(e))e._writableState.pipeline=this.pipeline,t&&e.on("error",Ee),e.on("finish",this.pipeline.finished.bind(this.pipeline));else{const t=this.pipeline.done.bind(this.pipeline,e),i=this.pipeline.done.bind(this.pipeline,e,null);e.on("error",t),e.on("close",i),e.on("finish",this.pipeline.finished.bind(this.pipeline))}e.on("drain",ne.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=536805311&t._duplexState|1024,!1):null!==this.map&&null===(e=this.map(e))?(t._duplexState&=E,this.buffered<this.highWaterMark):(this.buffered+=this.byteLength(e),this.queue.push(e),t._duplexState=(t._duplexState|f)&E,this.buffered<this.highWaterMark)}shift(){const e=this.queue.shift();return this.buffered-=this.byteLength(e),0===this.buffered&&(this.stream._duplexState&=536862591),e}unshift(e){const t=[null!==this.map?this.map(e):e];for(;this.buffered>0;)t.push(this.shift());for(let e=0;e<t.length-1;e++){const i=t[e];this.buffered+=this.byteLength(i),this.queue.push(i)}this.push(t[t.length-1])}read(){const e=this.stream;if((16527&e._duplexState)===f){const t=this.shift();return null!==this.pipeTo&&!1===this.pipeTo.write(t)&&(e._duplexState&=C),0!==(e._duplexState&g)&&e.emit("data",t),t}return!1===this.readAhead&&(e._duplexState|=k,this.updateNextTick()),null}drain(){const e=this.stream;for(;(16527&e._duplexState)===f&&768&e._duplexState;){const t=this.shift();null!==this.pipeTo&&!1===this.pipeTo.write(t)&&(e._duplexState&=C),0!==(e._duplexState&g)&&e.emit("data",t)}}update(){const e=this.stream;e._duplexState|=u;do{for(this.drain();this.buffered<this.highWaterMark&&(214047&e._duplexState)===k;)e._duplexState|=65552,e._read(this.afterRead),this.drain();4224==(12431&e._duplexState)&&(e._duplexState|=w,e.emit("readable")),80&e._duplexState||this.updateNonPrimary()}while(!0===this.continueUpdate());e._duplexState&=536870879}updateNonPrimary(){const e=this.stream;(1167&e._duplexState)===_&&(e._duplexState=536869887&e._duplexState|16384,e.emit("end"),(e._duplexState&K)===z&&(e._duplexState|=4),null!==this.pipeTo&&this.pipeTo.end()),4!==(e._duplexState&V)?1===(e._duplexState&J)&&(e._duplexState=(e._duplexState|W)&c,e._open(de.bind(this))):0===(e._duplexState&Y)&&(e._duplexState|=W,e._destroy(oe.bind(this)))}continueUpdate(){return 0!==(this.stream._duplexState&v)&&(this.stream._duplexState&=A,!0)}updateCallback(){(32879&this.stream._duplexState)===p?this.update():this.updateNextTick()}updateNextTickIfOpen(){32769&this.stream._duplexState||(this.stream._duplexState|=v,0===(this.stream._duplexState&u)&&h(this.afterUpdateNextTick))}updateNextTick(){0===(this.stream._duplexState&v)&&(this.stream._duplexState|=v,0===(this.stream._duplexState&u)&&h(this.afterUpdateNextTick))}}class ie{constructor(e){this.data=null,this.afterTransform=ue.bind(e),this.afterFinal=null}}class se{constructor(e,t,i){this.from=e,this.to=t,this.afterPipe=i,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&b)&&this.to.destroy(this.error||new Error("Readable stream closed before ending")):0!==(this.from._duplexState&b)&&this.pipeToFinished||this.from.destroy(this.error||new Error("Writable stream closed prematurely"))}}function ne(){this.stream._duplexState|=512,this.updateCallback()}function re(e){const t=this.stream;e&&t.destroy(e),0===(t._duplexState&V)&&(t._duplexState|=H,t.emit("finish")),(t._duplexState&K)===z&&(t._duplexState|=4),t._duplexState&=402391039,0===(t._duplexState&I)?this.update():this.updateNextTick()}function oe(e){const t=this.stream;e||this.error===n||(e=this.error),e&&t.emit("error",e),t._duplexState|=8,t.emit("close");const i=t._readableState,s=t._writableState;if(null!==i&&null!==i.pipeline&&i.pipeline.done(t,e),null!==s){for(;null!==s.drains&&s.drains.length>0;)s.drains.shift().resolve(!1);null!==s.pipeline&&s.pipeline.done(t,e)}}function ae(e){const t=this.stream;e&&t.destroy(e),t._duplexState&=469499903,null!==this.drains&&function(e){for(let t=0;t<e.length;t++)0===--e[t].writes&&(e.shift().resolve(!0),t--)}(this.drains),(6553615&t._duplexState)===R&&(t._duplexState&=532676607,(t._duplexState&N)===N&&t.emit("drain")),this.updateCallback()}function he(e){e&&this.stream.destroy(e),this.stream._duplexState&=S,!1===this.readAhead&&0===(this.stream._duplexState&m)&&(this.stream._duplexState&=P),this.updateCallback()}function le(){0===(this.stream._duplexState&u)&&(this.stream._duplexState&=A,this.update())}function ce(){0===(this.stream._duplexState&I)&&(this.stream._duplexState&=D,this.update())}function de(e){const t=this.stream;e&&t.destroy(e),4&t._duplexState||(17423&t._duplexState||(t._duplexState|=p),142606351&t._duplexState||(t._duplexState|=L),t.emit("open")),t._duplexState&=$,null!==t._writableState&&t._writableState.updateCallback(),null!==t._readableState&&t._readableState.updateCallback()}function ue(e,t){null!=t&&this.push(t),this._writableState.afterWrite(e)}function pe(e){null!==this._readableState&&("data"===e&&(this._duplexState|=133376,this._readableState.updateNextTick()),"readable"===e&&(this._duplexState|=y,this._readableState.updateNextTick())),null!==this._writableState&&"drain"===e&&(this._duplexState|=N,this._writableState.updateNextTick())}class fe extends s{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",Ce.bind(this))),this.on("newListener",pe)}_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!!(8&this._duplexState)}get destroying(){return 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event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=e.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=J),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(K(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(K(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(e)}catch(e){return this.__destroy(K(e,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>J?(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=X(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(K(e,"ERR_SET_LOCAL_DESCRIPTION"))})}).catch(e=>{this.__destroy(K(e,"ERR_CREATE_OFFER"))})}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then(e=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(e.sdp=X(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(K(e,"ERR_SET_LOCAL_DESCRIPTION"))})}).catch(e=>{this.__destroy(K(e,"ERR_CREATE_ANSWER"))})}_onConnectionStateChange(){this.destroyed||this._destroying||"failed"===this._pc.connectionState&&this.__destroy(K(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(K(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===e&&this.__destroy(K(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(i=>{const s=[];i.forEach(e=>{s.push(t(e))}),e(null,s)},t=>e(t)):this._pc.getStats.length>0?this._pc.getStats(i=>{if(this.destroyed)return;const s=[];i.result().forEach(e=>{const i={};e.names().forEach(t=>{i[t]=e.stat(t)}),i.id=e.id,i.type=e.type,i.timestamp=e.timestamp,s.push(t(i))}),e(null,s)},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,i)=>{if(this.destroyed||this._destroying)return;t&&(i=[]);const s={},n={},r={};let 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e.googRemoteAddress&&(i=e.googRemoteAddress.split(":"),this.remoteAddress=i[0],this.remotePort=Number(i[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(i.forEach(e=>{"transport"===e.type&&e.selectedCandidatePairId&&a(r[e.selectedCandidatePairId]),("googCandidatePair"===e.type&&"true"===e.googActiveConnection||("candidatepair"===e.type||"candidate-pair"===e.type)&&e.selected)&&a(e)}),o||Object.keys(r).length&&!Object.keys(n).length){if(this._connecting=!1,this._connected=!0,this.emit("connect"),this._chunk){try{this.send(this._chunk)}catch(t){return this.__destroy(K(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 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e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],Y.apply(null,e)}}Q.WEBRTC_SUPPORT=!!$,Q.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},Q.channelConfig={};const Z=Q;var ee=n(1035),te=n(7541),ie=n(3278),se=n(8271),ne=n(6686),re=n(7828),oe=n(6889);const ae=/^\[?([^\]]+)]?:(\d+)$/;let he=new Map;function le(e){if(1e5===he.size&&he.clear(),!he.has(e)){const t=ae.exec(e);if(!t)throw new Error(`invalid addr: ${e}`);he.set(e,[t[1],Number(t[2])])}return he.get(e)}var ce=n(3033),de=n(4497);async function*ue(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 i=t.chunkLength||e.chunkLength;if(!i)throw new Error("missing required `chunkLength` property");let s=t.length||e.length;if(!Number.isFinite(s))throw new Error("missing required `length` property");const n=t.offset||0,r=(t,i,s)=>new Promise((n,r)=>{e.get(t,{offset:s,length:i},(e,t)=>{e&&r(e),n(t)})});let o=Math.floor(n/i);const a=n%i;if(n){const e=Math.min(s,i-a);s-=e,yield r(o++,e,a)}for(let e=s;e>0;++o,e-=i)yield r(o,Math.min(e,i))}async function pe(e,t,i={}){if(!e?.put)throw new Error("First argument must be an abstract-chunk-store compliant store");const s=i.chunkLength||e.chunkLength;if(!s)throw new Error("missing required `chunkLength` property");const n=i.storeMaxOutstandingPuts||16;let r=0,o=0,a=()=>{},h=!1;for await(const l of d(t,s,{zeroPadding:i.zeroPadding||!1}))await new Promise((t,i)=>{r++<=n&&t(),e.put(o++,l,e=>{if(e)return i(e);--r,t(),h&&0===r&&a()})});0!==r&&(h=new Promise(e=>{a=e}),await h)}var fe=n(4018),me=n(3970),_e=n(3519),ge=n(8436);const ye={DEFAULT_ANNOUNCE_PEERS:50,MAX_ANNOUNCE_PEERS:82,parseUrl:e=>{const t=new URL(e.replace(/^udp:/,"http:"));return 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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 ve&&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 ve&&(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,w.L0)(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],ke.apply(null,e)}}Se.WEBSOCKET_SUPPORT=!!xe;const Ee=class extends r{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())}},Ce=T("bittorrent-tracker:websocket-tracker"),Ae={};class Pe extends Ee{constructor(e,t){super(e,t),Ce("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 i=Math.min(e.numwant,5);this._generateOffers(i,e=>{t.numwant=i,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,w.Ht)(e)):e.infoHash&&(0,w.Ht)(e.infoHash)||this.client._infoHashBinary};this._send(t)}destroy(e=Te){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,Ae[this.announceUrl]&&(Ae[this.announceUrl].consumers-=1),Ae[this.announceUrl].consumers>0)return e();let t,i=Ae[this.announceUrl];if(delete Ae[this.announceUrl],i.on("error",Te),i.once("close",e),!this.expectingResponse)return s();function s(){t&&(clearTimeout(t),t=null),i.removeListener("data",s),i.destroy(),i=null}t=setTimeout(s,ye.DESTROY_TIMEOUT),i.once("data",s)}_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=Ae[this.announceUrl],this.socket)Ae[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=this.client._proxyOpts.socksProxy)),this.socket=Ae[this.announceUrl]=new Se({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,w.dU)(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 Ce("ignoring websocket data from %s for %s (looking for %s: reused 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i={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&&(i.trackerid=this._trackerId),this._send(i)}),this.client.emit("peer",r),r.signal(e.offer)),e.answer&&e.peer_id){const t=(0,w.HB)(e.offer_id);r=this.peers[t],r?(r.id=(0,w.HB)(e.peer_id),this.client.emit("peer",r),r.signal(e.answer),clearTimeout(r.trackerTimeout),r.trackerTimeout=null,delete this.peers[t]):Ce(`got unexpected answer: ${JSON.stringify(e.answer)}`)}}_onScrapeResponse(e){e=e.files||{};const t=Object.keys(e);0!==t.length?t.forEach(t=>{const i=Object.assign(e[t],{announce:this.announceUrl,infoHash:(0,w.HB)(t)});this.client.emit("scrape",i)}):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(),Ce("reconnecting socket in %s ms",e)}_send(e){if(this.destroyed)return;this.expectingResponse=!0;const t=JSON.stringify(e);Ce("send %s",t),this.socket.send(t)}_generateOffers(e,t){const i=this,s=[];Ce("generating %s offers",e);for(let t=0;t<e;++t)n();function n(){const e=(0,w.V5)((0,w.po)(20));Ce("creating peer (from _generateOffers)");const t=i.peers[e]=i._createPeer({initiator:!0});t.once("signal",t=>{s.push({offer:t,offer_id:(0,w.Ht)(e)}),r()}),t.trackerTimeout=setTimeout(()=>{Ce("tracker timeout: destroying peer"),t.trackerTimeout=null,delete i.peers[e],t.destroy()},5e4),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function r(){s.length===e&&(Ce("generated %s offers",e),t(s))}r()}_createPeer(e){const t=this;e=Object.assign({trickle:!1,config:t.client._rtcConfig,wrtc:t.client._wrtc},e);const i=new Z(e);return i.once("error",s),i.once("connect",function e(){i.removeListener("error",s),i.removeListener("connect",e)}),i;function s(e){t.client.emit("warning",new Error(`Connection error: ${e.message}`)),i.destroy()}}}function Te(){}Pe.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,Pe._socketPool=Ae;const Ie=Pe;var Le=n(717);const Oe=T("bittorrent-tracker:client");class Re extends r{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(!Le.browser&&!e.port)throw new Error("Option `port` is required");this.peerId="string"==typeof e.peerId?e.peerId:(0,w.V5)(e.peerId),this._peerIdBuffer=(0,w.fk)(this.peerId),this._peerIdBinary=(0,w.Ht)(this.peerId),this.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():(0,w.V5)(e.infoHash),this._infoHashBuffer=(0,w.fk)(this.infoHash),this._infoHashBinary=(0,w.Ht)(this.infoHash),Oe("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,w.dU)(e)),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e)),t=Array.from(new Set(t));const i=!1!==this._wrtc&&(!!this._wrtc||Z.WEBRTC_SUPPORT),s=e=>{y(()=>{this.emit("warning",e)})};this._trackers=t.map(e=>{let t;try{t=ye.parseUrl(e)}catch(t){return s(new Error(`Invalid tracker URL: ${e}`)),null}const n=t.port;if(n<0||n>65535)return s(new Error(`Invalid tracker port: ${e}`)),null;const r=t.protocol;return"http:"!==r&&"https:"!==r||"function"!=typeof we?"udp:"===r&&"function"==typeof be?new be(this,e):"ws:"!==r&&"wss:"!==r||!i||"ws:"===r&&"undefined"!=typeof window&&"https:"===window.location.protocol?(s(new Error(`Unsupported tracker protocol: ${e}`)),null):new Ie(this,e):new we(this,e)}).filter(Boolean)}start(e){(e=this._defaultAnnounceOpts(e)).event="started",Oe("send `start` %o",e),this._announce(e),this._trackers.forEach(e=>{e.setInterval()})}stop(e){(e=this._defaultAnnounceOpts(e)).event="stopped",Oe("send `stop` %o",e),this._announce(e)}complete(e){e||(e={}),(e=this._defaultAnnounceOpts(e)).event="completed",Oe("send `complete` %o",e),this._announce(e)}update(e){(e=this._defaultAnnounceOpts(e)).event&&delete e.event,Oe("send `update` %o",e),this._announce(e)}_announce(e){this._trackers.forEach(t=>{t.announce(e)})}scrape(e){Oe("send `scrape`"),e||(e={}),this._trackers.forEach(t=>{t.scrape(e)})}setInterval(e){Oe("setInterval %d",e),this._trackers.forEach(t=>{t.setInterval(e)})}destroy(e){if(this.destroyed)return;this.destroyed=!0,Oe("destroy");const t=this._trackers.map(e=>t=>{e.destroy(t)});g(t,e),this._trackers=[],this._getAnnounceOpts=null}_defaultAnnounceOpts(e={}){return null==e.numwant&&(e.numwant=ye.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),this._getAnnounceOpts&&(e=Object.assign({},e,this._getAnnounceOpts())),e}}Re.scrape=(e,t)=>{if(t=_e(t),!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");const i=Object.assign({},e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:(0,w.L0)("01234567890123456789"),port:6881}),s=new Re(i);s.once("error",t),s.once("warning",t);let n=Array.isArray(e.infoHash)?e.infoHash.length:1;const r={};return s.on("scrape",e=>{if(n-=1,r[e.infoHash]=e,0===n){s.destroy();const e=Object.keys(r);1===e.length?t(null,r[e[0]]):t(null,r)}}),s.scrape({infoHash:e.infoHash}),s};const He=Re;var Ne=n(2799),Me=n(717);const Fe=T("torrent-discovery");class Ue extends r.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(!Me.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 i=new me.Client(t);return i.on("warning",this._onWarning),i.on("error",this._onError),i.listen(e),this._internalDHT=!0,i};!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 me.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 Ne?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)})),g(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 He(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||(Fe("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,e=>{this._dhtAnnouncing=!1,Fe("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 Ne(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.on("peer",this._onLSDPeer),t.start(),t}}const je=Ue;const Be=["seeking position failed.","InvalidStateError"],De=["A requested file or directory could not be found at the time an operation was processed.","NotFoundError"],qe=e=>[`Failed to execute 'write' on 'UnderlyingSinkBase': Invalid params passed. ${e}`,"SyntaxError"];class We extends WritableStream{constructor(e){super(e),Object.setPrototypeOf(this,FileSystemWritableFileStream.prototype),this._closed=!1}async close(){this._closed=!0;const e=this.getWriter(),t=e.close();return e.releaseLock(),t}seek(e){return this.write({type:"seek",position:e})}truncate(e){return this.write({type:"truncate",size:e})}write(e){if(this._closed)return Promise.reject(new TypeError("Cannot write to a CLOSED writable stream"));const t=this.getWriter(),i=t.write(e);return t.releaseLock(),i}}if(Object.defineProperty(We.prototype,Symbol.toStringTag,{value:"FileSystemWritableFileStream",writable:!1,enumerable:!1,configurable:!0}),Object.defineProperties(We.prototype,{close:{enumerable:!0},seek:{enumerable:!0},truncate:{enumerable:!0},write:{enumerable:!0}}),!globalThis.FileSystemFileHandle||globalThis.FileSystemFileHandle.prototype.createWritable||globalThis.FileSystemWritableFileStream||(globalThis.FileSystemWritableFileStream=We),globalThis.FileSystemFileHandle&&!globalThis.FileSystemFileHandle.prototype.createWritable){const e=new WeakMap;let t;const i=()=>{let e,t;onmessage=async i=>{const s=i.ports[0],n=i.data;switch(n.type){case"open":{const i=n.name;let s=await navigator.storage.getDirectory();for(const e of n.path)s=await s.getDirectoryHandle(e);e=await s.getFileHandle(i),t=await e.createSyncAccessHandle();break}case"write":t.write(n.data,{at:n.position}),t.flush();break;case"truncate":t.truncate(n.size);break;case"abort":case"close":t.close()}s.postMessage(0)}};globalThis.FileSystemFileHandle.prototype.createWritable=async function(s){if(!t){const e=`(${i.toString()})()`,s=new Blob([e],{type:"text/javascript"});t=URL.createObjectURL(s)}const n=new Worker(t,{type:"module"});let r=0;const o=new TextEncoder;let a=await this.getFile().then(e=>e.size);const h=e=>new Promise((t,i)=>{const s=new MessageChannel;s.port1.onmessage=e=>{e.data instanceof Error?i(e.data):t(e.data),s.port1.close(),s.port2.close(),s.port1.onmessage=null},n.postMessage(e,[s.port2])}),l=await navigator.storage.getDirectory(),c=await e.get(this),d=await l.resolve(c);if(null===d)throw new DOMException(...De);return await h({type:"open",path:d,name:this.name}),!1===s?.keepExistingData&&(await h({type:"truncate",size:0}),a=0),new We({async write(e){if("write"===(e=e?.constructor===Object?{...e}:{type:"write",data:e,position:r}).type){if(!("data"in e))throw await h({type:"close"}),new DOMException(...qe("write requires a data argument"));if(e.position??=r,"string"==typeof e.data)e.data=o.encode(e.data);else if(e.data instanceof ArrayBuffer)e.data=new Uint8Array(e.data);else if(e.data instanceof Uint8Array||!ArrayBuffer.isView(e.data)){if(!(e.data instanceof Uint8Array)){const t=await new Response(e.data).arrayBuffer();e.data=new Uint8Array(t)}}else e.data=new Uint8Array(e.data.buffer,e.data.byteOffset,e.data.byteLength);Number.isInteger(e.position)&&e.position>=0&&(r=e.position),r+=e.data.byteLength,a+=e.data.byteLength}else{if("seek"===e.type){if(Number.isInteger(e.position)&&e.position>=0){if(a<e.position)throw new DOMException(...Be);return void(r=e.position)}throw await h({type:"close"}),new DOMException(...qe("seek requires a position argument"))}if("truncate"===e.type){if(!(Number.isInteger(e.size)&&e.size>=0))throw await h({type:"close"}),new DOMException(...qe("truncate requires a size argument"));a=e.size,r>a&&(r=a)}}await h(e)},async close(){await h({type:"close"}),n.terminate()},async abort(e){await h({type:"abort",reason:e}),n.terminate()}})};const s=FileSystemDirectoryHandle.prototype.getFileHandle;FileSystemDirectoryHandle.prototype.getFileHandle=async function(...t){const i=await s.call(this,...t);return e.set(i,this),i}}const $e=/[<>:"/\\|?*\u0000-\u001F]/g;globalThis.navigator?.storage?.getDirectory&&navigator.storage.getDirectory().then(e=>{e.removeEntry("chunks",{recursive:!0}).catch(()=>{})});const ze=(e,t)=>{};class Ve{name="";chunks=[];chunkMap=[];directoryMap={};files;rootDirPromise;storageDirPromise;chunksDirPromise;closing=!1;closed=!1;constructor(e,t={}){if(this.chunkLength=Number(e),!this.chunkLength)throw new Error("First argument must be a chunk length");if(!globalThis.navigator?.storage?.getDirectory)throw new Error("FSA API is not supported");if(this.closed=!1,this.name=t.name||crypto.randomUUID(),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.chunksDirPromise=this._getChunksDirHandle(),this.files=t.files.map((e,t,i)=>{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 s=i[t-1];e.offset=s.offset+s.length}null==e.handle&&(e.handle=this._createFileHandle({path:e.path})),e.blob=this._createBlobReference(e.handle);const s=e.offset,n=e.offset+e.length,r=Math.floor(s/this.chunkLength),o=Math.floor((n-1)/this.chunkLength);for(let t=r;t<=o;++t){const i=t*this.chunkLength,r=s<i?0:s-i,o=n>i+this.chunkLength?this.chunkLength:n-i,a=s>i?0:i-s;this.chunkMap[t]||(this.chunkMap[t]=[]),this.chunkMap[t].push({from:r,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 i=await this.chunksDirPromise;this.chunks[e]=t=await i.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.replace($e,""),{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 i=e.path=e.path.slice(0,t);return this.directoryMap[i]||(this.directoryMap[i]=(async()=>(await this._getDirectoryHandle(e)).getDirectoryHandle(i.slice(i.lastIndexOf("/")+1),{create:!0}))()),this.directoryMap[i]}async _getChunksDirHandle(){const e=await navigator.storage.getDirectory();return(await e.getDirectoryHandle("chunks",{create:!0})).getDirectoryHandle(this.name,{create:!0})}async put(e,t,i=ze){try{return await this._put(e,t),i(null),null}catch(e){return queueMicrotask(()=>i(e)),e}}async getStreamForHandle(e){return(await e).createWritable({keepExistingData:!0})}async _put(e,t){if(this.closed)throw new Error("Storage is closed");const i=e===this.lastChunkIndex;if(i&&t.length!==this.lastChunkLength)throw new Error(`Last chunk length must be ${this.lastChunkLength}`);if(!i&&t.length!==this.chunkLength)throw new Error(`Chunk length must be ${this.chunkLength}`);const s=(async()=>{const i=await this._getChunkHandle(e),s=await i.createWritable({keepExistingData:!1});await s.write(t),await s.close()})();if(!this.files)return s;const n=this.chunkMap[e];if(!n)throw new Error("No files matching the request range");const r=n.map(async({file:e,offset:i,from:s,to:n})=>{e.stream||(e.stream=this.getStreamForHandle(e.handle)),await(await e.stream).write({type:"write",position:i,data:t.slice(s,n)})});r.push(s),await Promise.all(r)}async get(e,t,i=ze){null==t&&(t={});try{const s=await this._get(e,t);return i(null,s),s}catch(e){return i(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 i=e===this.lastChunkIndex?this.lastChunkLength:this.chunkLength,s=t.offset||0,n=t.length?s+t.length:i,r=t.length||i-s;if(s<0||s<0||n>i)throw new Error("Invalid offset and/or length");if(s===n)return new Uint8Array(0);if(!this.files||this.chunks[e]){const t=await this._getChunkHandle(e);let n=await t.getFile();0===s&&r===i||(n=n.slice(s,r+s));const o=await n.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>s&&e<n),0===o.length))throw new Error("No files matching the request range");const a=o.map(async({from:e,to:i,offset:r,file:o})=>{t&&(i>n&&(i=n),e<s&&(r+=s-e,e=s));return(await o.blob).slice(r,r+i-e)}),h=await Promise.all(a),l=1===h.length?await h[0].arrayBuffer():await new Blob(h).arrayBuffer();if(0===l.byteLength)throw new Error(`Index ${e} does not exist`);return new Uint8Array(l)}async close(e=ze){if(this.closing)return((e=ze,t)=>queueMicrotask(()=>e(new Error(t))))(e,"Storage is closed");this.closing=!0,this.chunkMap=void 0,this.directoryMap=void 0,this.files&&await this.cleanup(),this.closed=!0,queueMicrotask(()=>e(null))}async cleanup(){if(this.closed||!this.files)return;const e=[];for(const t of this.files)t.stream&&(e.push(t.stream.then(e=>e.close())),t.stream=void 0);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=this._getChunksDirHandle(),await this.chunksDirPromise})();await Promise.all(e);for(const e of this.files)e.blob=this._createBlobReference(e.handle);await t}async destroy(e=ze){this.close(async t=>{if(t)return e(t);try{const e=await this.rootDirPromise;await e.removeEntry(this.name,{recursive:!0})}catch(t){return e(t)}e(null)})}}var Ge=n(3714),Ke=n(1314);const Ye=T("lt_donthave"),Je=()=>{class e extends r.EventEmitter{constructor(e){super(),this._peerSupports=!1,this._wire=e}onExtendedHandshake(){this._peerSupports=!0}onMessage(e){let t;try{t=new DataView(e.buffer).getUint32(0)}catch(e){return}this._wire.peerPieces.get(t)&&(Ye("got donthave %d",t),this._wire.peerPieces.set(t,!1),this.emit("donthave",t),this._failRequests(t))}donthave(e){if(!this._peerSupports)return;Ye("donthave %d",e);const t=new Uint8Array(4);new DataView(t.buffer).setUint32(0,e),this._wire.extended("lt_donthave",t)}_failRequests(e){const t=this._wire.requests;for(let i=0;i<t.length;i++){const s=t[i];s.piece===e&&(Ke(t,i),i-=1,this._wire._callback(s,new Error("peer sent donthave"),null))}}}return e.prototype.name="lt_donthave",e};var Xe=n(4862),Qe=n(5372);const Ze=16384;class et{constructor(e){this.length=e,this.missing=e,this.sources=null,this._chunks=Math.ceil(e/Ze),this._remainder=e%Ze||Ze,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}chunkLength(e){return e===this._chunks-1?this._remainder:Ze}chunkLengthRemaining(e){return this.length-e*Ze}chunkOffset(e){return e*Ze}reserve(){return this.init()?this._cancellations.length?this._cancellations.pop():this._reservations<this._chunks?this._reservations++:-1:-1}reserveRemaining(){if(!this.init())return-1;if(this._cancellations.length||this._reservations<this._chunks){let e=this._reservations;for(;this._cancellations.length;)e=Math.min(e,this._cancellations.pop());return this._reservations=this._chunks,e}return-1}cancel(e){this.init()&&this._cancellations.push(e)}cancelRemaining(e){this.init()&&(this._reservations=e)}get(e){return this.init()?this._buffer[e]:null}set(e,t,i){if(!this.init())return!1;const s=t.length,n=Math.ceil(s/Ze);for(let s=0;s<n;s++)if(!this._buffer[e+s]){const n=s*Ze,r=t.subarray(n,n+Ze);this._buffered++,this._buffer[e+s]=r,this.missing-=r.length,this.sources.includes(i)||this.sources.push(i)}return this._buffered===this._chunks}flush(){if(!this._buffer||this._chunks!==this._buffered)return null;const e=(0,w.xW)(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,e}init(){return!this._flushed&&(this._buffer||(this._buffer=new Array(this._chunks),this._cancellations=[],this.sources=[]),!0)}}et.BLOCK_LENGTH=Ze;var tt=n(7373);const it=T("ut_metadata"),st=16384,nt=e=>{class t extends r.EventEmitter{constructor(t){super(),this._wire=t,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new ce.A(0,{grow:1e3}),ArrayBuffer.isView(e)&&this.setMetadata(e)}onHandshake(e,t,i){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/st),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 s=(0,w.dU)(e),n=s.indexOf("ee")+2;t=c.A.decode(s.substring(0,n)),i=e.slice(n)}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;it("set metadata");try{const t=c.A.decode(e).info;t&&(e=c.A.encode(t))}catch(e){}return(!this._infoHash||this._infoHash===await(0,w.tW)(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",c.A.encode({info:c.A.decode(this.metadata)})),!0)}_send(e,t){let i=c.A.encode(e);ArrayBuffer.isView(t)&&(i=(0,w.xW)([i,t])),this._wire.extended("ut_metadata",i)}_request(e){this._send({msg_type:0,piece:e})}_data(e,t,i){const s={msg_type:1,piece:e};"number"==typeof i&&(s.total_size=i),this._send(s,t)}_reject(e){this._send({msg_type:2,piece:e})}_onRequest(e){if(!this._metadataComplete)return void this._reject(e);const t=e*st;let i=t+st;i>this._metadataSize&&(i=this._metadataSize);const s=this.metadata.slice(t,i);this._data(e,s,this._metadataSize)}_onData(e,t,i){t.length>st||!this._fetching||(this.metadata.set(t,e*st),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 ce.A(0,{grow:1e3}),this._remainingRejects-=this._numPieces,this._remainingRejects>0?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return t.prototype.name="ut_metadata",t};var rt=n(8878),ot=n(1133);const at=T("webtorrent:file-iterator");class ht extends r{constructor(e,{start:t,end:i}){super(),this._torrent=e._torrent,this._pieceLength=e._torrent.pieceLength,this._startPiece=(t+e.offset)/this._pieceLength|0,this._endPiece=(i+e.offset)/this._pieceLength|0,this._piece=this._startPiece,this._offset=t+e.offset-this._startPiece*this._pieceLength,this._missing=i-t+1,this._criticalLength=Math.min(1048576/this._pieceLength|0,2),this._torrent._select(this._startPiece,this._endPiece,1,null,!0),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 i=(t,s)=>{if(!this._torrent.bitfield.get(t)){const n=r=>{(r===t||this.destroyed)&&(this._torrent.removeListener("verified",n),r===t?i(t,s):e({done:!0}))};return this._torrent.on("verified",n),this._torrent.critical(t,t+this._criticalLength)}if(this.destroyed)return e({done:!0});this._torrent.store.get(t,s,(i,s)=>this.destroyed?e({done:!0}):(at("read %s and yielding (length %s) (err %s)",t,s?.length,i?.message),i?(this.destroy(void 0,i),e({done:!0})):void e({value:s,done:!1})))},s=Math.min(this._missing,this._pieceLength-this._offset);i(this._piece++,{length:s,offset:this._offset}),this._missing-=s,this._offset=0})}async return(){return this.destroy(),{done:!0,value:void 0}}async throw(e){throw e}destroy(e=e=>{},t){this.destroyed||(this.destroyed=!0,this._torrent.destroyed||this._torrent._deselect(this._startPiece,this._endPiece,!0),this.emit("return"),e(t))}}class lt extends r{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=ot.getType(this.name)||"application/octet-stream",this.offset=t.offset,this.done=!1;const i=t.offset,s=i+t.length-1;this._startPiece=i/this._torrent.pieceLength|0,this._endPiece=s/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:i,lastPieceLength:s}=this._torrent,{_startPiece:n,_endPiece:r}=this,o=t=>t===e.length-1?s:i,a=n=>{const r=n===e.length-1?s:i;return t.get(n)?r:r-e[n].missing};let h=0;for(let e=n;e<=r;e+=1){const t=a(e);if(h+=t,e===n){const e=this.offset%i;h-=Math.min(e,t)}if(e===r){const e=o(r)-(this.offset+this.length)%i;h-=Math.min(e,t)}}return h}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)}[Symbol.asyncIterator](e={}){if(0===this.length||this._destroyed)return async function*(){}();const{start:t=0}=e??{},i=e?.end&&e.end<this.length?e.end:this.length-1;if(this.done)return ue(this._torrent.store,{offset:t+this.offset,length:i-t+1});const s=new ht(this,{start:t,end:i});return this._iterators.add(s),s.once("return",()=>{this._iterators.delete(s)}),s}createReadStream(e){if(this._destroyed)throw new Error("File is destroyed");const t=this[Symbol.asyncIterator](e),i=G.Readable.from(t);return this._fileStreams.add(i),i.once("close",()=>{this._fileStreams.delete(i)}),i}async arrayBuffer(e={}){if(this._destroyed)throw new Error("File is destroyed");const{start:t=0}=e,i=e?.end&&e.end<this.length?e.end:this.length-1,s=new Uint8Array(i-t+1);let n=0;for await(const e of this[Symbol.asyncIterator]({start:t,end:i}))s.set(e,n),n+=e.length;return s.buffer}async blob(e){if(this._destroyed)throw new Error("File is destroyed");return new Blob([await this.arrayBuffer(e)],{type:this.type})}stream(e){if(this._destroyed)throw new Error("File is destroyed");let t;return new ReadableStream({start:()=>{t=this[Symbol.asyncIterator](e)},async pull(e){const{value:i,done:s}=await t.next();s?e.close():e.enqueue(i)},cancel(){t.return()}})}get streamURL(){if(!this._client._server)throw new Error("No server created");return`${this._client._server.pathname}/${this._torrent.infoHash}/${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 ct=n(5658);class dt{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=[],i=1/0;for(let s=0;s<this._numPieces;++s){if(e&&!e(s))continue;const n=this._pieces[s];n===i?t.push(s):n<i&&(t=[s],i=n)}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 ut=n(4343),pt=n(6458),ft=n(6819);const mt=T("webtorrent:webconn");class _t extends pt.A{constructor(e,t){super(),this.url=e,this.connId=e,this._torrent=t,this._init(e)}_init(e){this.setKeepAlive(!0),this.use(Je()),this.once("handshake",async(t,i)=>{const s=await(0,w.tW)(e,"hex");if(this.destroyed)return;this.handshake(t,s);const n=this._torrent.pieces.length,r=new ce.A(n);for(let e=0;e<=n;e++)r.set(e,!0);this.bitfield(r)}),this.once("interested",()=>{mt("interested"),this.unchoke()}),this.on("uninterested",()=>{mt("uninterested")}),this.on("choke",()=>{mt("choke")}),this.on("unchoke",()=>{mt("unchoke")}),this.on("bitfield",()=>{mt("bitfield")}),this.lt_donthave.on("donthave",()=>{mt("donthave")}),this.on("request",(e,t,i,s)=>{mt("request pieceIndex=%d offset=%d length=%d",e,t,i),this.httpRequest(e,t,i,(t,i)=>{if(t){this.lt_donthave.donthave(e);const t=setTimeout(()=>{this.destroyed||this.have(e)},1e4);t.unref&&t.unref()}s(t,i)})})}async httpRequest(e,t,i,s){s=_e(s);const n=e*this._torrent.pieceLength+t,r=n+i-1,o=this._torrent.files;let a,h;if(o.length<=1)a=[{url:this.url,start:n,end:r}];else{const e=o.filter(e=>e.offset<=r&&e.offset+e.length>n);if(e.length<1)return s(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-n,0),start:Math.max(n-e.offset,0),end:Math.min(t,r-e.offset)}})}try{h=await Promise.all(a.map(async({start:s,end:n,url:r})=>{mt("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",r,e,t,i,s,n);const o=await R(r,{cache:"no-store",method:"GET",headers:{"Cache-Control":"no-store","user-agent":`WebTorrent/${ft} (https://webtorrent.io)`,range:`bytes=${s}-${n}`},signal:AbortSignal.timeout(6e4)});if(!o.ok)throw new Error(`Unexpected HTTP status code ${o.status}`);const a=new Uint8Array(await o.arrayBuffer());return mt("Got data of length %d",a.length),a}))}catch(e){return s(e)}s(null,(0,w.xW)(h))}destroy(){super.destroy(),this._torrent=null}}class gt{_items=[];remove(e){for(let t=0;t<this._items.length;t++){const i=this._items[t];if(!i.isStreamSelection==!e.isStreamSelection)if(i.isStreamSelection){if(i.from===e.from&&i.to===e.to){this._items.splice(t,1);break}}else if(yt(e,i))i.to=Math.max(e.from-1,0);else if(wt(e,i))i.from=e.to+1;else if(bt(e,i)){const s=[],n={...i,to:Math.max(e.from-1,0)};n.to-n.from>=0&&0!==e.from&&s.push(n);const r={...i,from:e.to+1};r.to-r.from>=0&&s.push(r),this._items.splice(t,1,...s),t=t-1+s.length}else vt(e,i)&&(this._items.splice(t,1),t--)}}_mergePriorityAndNotify(e,t){if((t.priority??0)>(e.priority??0)&&(e.priority=t.priority),e.notify&&t.notify){const i=e.notify;e.notify=()=>{i(),t.notify?.()}}else e.notify=t.notify||e.notify}concatenate(e){for(let t=0;t<this._items.length;t++){const i=this._items[t];if(!i.isStreamSelection){if(yt(e,i))e.from=i.from;else if(wt(e,i))e.to=i.to;else{if(!bt(e,i)){if(vt(e,i))continue;continue}e.from=i.from,e.to=i.to}this._mergePriorityAndNotify(e,i)}}this.remove(e)}insert(e){if(e.from>e.to)throw new Error("Invalid interval");e.isStreamSelection||this.concatenate(e),this._items.push(e)}sort(e=(e,t)=>e.from-t.from){this._items.sort(e)}get length(){return this._items.length}get(e){return this._items[e]}swap(e,t){const i=this._items[e];this._items[e]=this._items[t],this._items[t]=i}clear(){this._items.length=0}*[Symbol.iterator](){for(let e=0;e<this._items.length;e++){const t=this._items[e];t.remove=()=>{this._items.splice(e,1),e--},yield t,delete t.remove}}}function yt(e,t){return e.from<=t.to+1&&e.from>t.from&&e.to>t.to}function wt(e,t){return e.to>=t.from-1&&e.to<t.to&&e.from<t.from}function bt(e,t){const i=t.to-t.from,s=e.to-e.from;return e.from>=t.from&&e.to<=t.to&&s<i}function vt(e,t){return e.from<=t.from&&e.to>=t.to}var kt=n(717);const xt=T("webtorrent:torrent"),St=5e3,Et=3*et.BLOCK_LENGTH,Ct=kt.browser?fe().length:2,At=[1e3,5e3,15e3],Pt=`WebTorrent/${ft} (https://webtorrent.io)`,Tt=globalThis.navigator?.storage?.getDirectory&&globalThis.FileSystemFileHandle?.prototype?.createWritable,It=!kt.browser||Tt?Ve:Xe;let Lt;try{Lt=h(ne.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){Lt=h("function"==typeof oe.tmpdir?oe.tmpdir():"/","webtorrent")}const Ot="undefined"!=typeof window&&"function"==typeof window.requestIdleCallback&&window.requestIdleCallback;class Rt extends r{constructor(e,t,i){super(),this._debugId="unknown infohash",this.client=t,this.announce=i.announce,this.urlList=i.urlList,this.path=i.path||Lt,this.addUID=i.addUID||!1,this.rootDir=i.rootDir||null,this.skipVerify=!!i.skipVerify,this._startupBitfield=i.bitfield,this._store=i.store||It,this._preloadedStore=i.preloadedStore||null,this._storeCacheSlots=void 0!==i.storeCacheSlots?i.storeCacheSlots:20,this._destroyStoreOnDestroy=i.destroyStoreOnDestroy||!1,this.store=null,this.storeOpts=i.storeOpts,this.alwaysChokeSeeders=i.alwaysChokeSeeders??!0,this._getAnnounceOpts=i.getAnnounceOpts,"boolean"==typeof i.private&&(this.private=i.private),this.strategy=i.strategy||"sequential",this.maxWebConns=i.maxWebConns||4,this._rechokeNumSlots=!1===i.uploads||0===i.uploads?0:+i.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this._noPeersIntervalId=null,this._noPeersIntervalTime=i.noPeersIntervalTime?1e3*i.noPeersIntervalTime:3e4,this._startAsDeselected=i.deselect||!1,this.ready=!1,this.destroyed=!1,this.paused=i.paused||!1,this.done=!1,this.metadata=null,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=new gt,this._critical=[],this.wires=[],this._queue=[],this._peers=new Map,this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=ee(),this._uploadSpeed=ee(),this._servers=[],this._xsRequests=[],this._fileModtimes=i.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,i=this.pieces.length;t<i;++t)if(this.bitfield.get(t))e+=t===i-1?this.lastPieceLength:this.pieceLength;else{const i=this.pieces[t];e+=i.length-i.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)}_numConns=0;async _onTorrentId(e){if(this.destroyed)return;let t;try{t=await D(e)}catch(e){}t?(this.infoHash=t.infoHash,this._debugId=(0,w.V5)(t.infoHash).substring(0,7),y(()=>{this.destroyed||this._onParsedTorrent(t)})):j(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,w.V5)(e.infoHash).substring(0,7),void 0!==this.private&&(e.private=this.private),Array.isArray(this.announce)&&(e.announce=e.announce.concat(this.announce)),this.client.tracker&&Array.isArray(this.client.tracker.announce)&&!e.private&&(e.announce=e.announce.concat(this.client.tracker.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=q(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,w.L0)(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),c.A.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,ct.A.SOURCE_MANUAL)),this.discovery=new je({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:e,port:this.client.torrentPort,userAgent:Pt,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),this.client.seedOutgoingConnections||!this.done?this.addPeer(e,t):this._debug("discovery ignoring peer %s: torrent is done and seedOutgoingConnections is false",e)}),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={[ct.A.SOURCE_TRACKER]:{enabled:!!this.client.tracker,numPeers:0},[ct.A.SOURCE_DHT]:{enabled:!!this.client.dht,numPeers:0},[ct.A.SOURCE_LSD]:{enabled:!!this.client.lsd,numPeers:0},[ct.A.SOURCE_UT_PEX]:{enabled:this.client.utPex&&"function"==typeof rt,numPeers:0}};for(const t of this._peers.values()){const i=e[t.source];void 0!==i&&i.numPeers++}for(const t of Object.keys(e)){const i=e[t];i.enabled&&0===i.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 i=e._xsRequestsController.signal,s=t.map(t=>s=>{!async function(t,s){if(0!==t.indexOf("http://")&&0!==t.indexOf("https://"))return e.emit("warning",new Error(`skipping non-http xs param: ${t}`)),s(null);const n={method:"GET",headers:{"user-agent":Pt},signal:i};let r,o,a;try{r=await R(t,n)}catch(i){return e.emit("warning",new Error(`http error from xs param: ${t}`)),s(null)}if(e.destroyed)return s(null);if(e.metadata)return s(null);if(200!==r.status)return e.emit("warning",new Error(`non-200 status code ${r.status} from xs param: ${t}`)),s(null);try{o=new Uint8Array(await r.arrayBuffer())}catch(t){return e.emit("warning",t),s(null)}try{a=await D(o)}catch(e){}if(!a)return e.emit("warning",new Error(`got invalid torrent file from xs param: ${t}`)),s(null);if(a.infoHash!==e.infoHash)return e.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${t}`)),s(null);e._onMetadata(a),s(null)}(t,s)});g(s)}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 D(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 dt(this),this.files=this.files.map(e=>new lt(this,e));let i=this._preloadedStore;if(i||(i=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&&!(i instanceof Xe)&&(i=new de(i,{max:this._storeCacheSlots})),this.store=new Ge(i),this.so&&!this._startAsDeselected?this.files.forEach((e,t)=>{this.so.includes(t)&&this.files[t].select()}):0===this.pieces.length||this._startAsDeselected||this.select(0,this.pieces.length-1),this._hashes=this.pieces,this._hasStartupBitfield=this._startupBitfield&&this._startupBitfield.length===Math.ceil(this.pieces.length/8)&&!this.skipVerify,this.bitfield=new ce.A(this._hasStartupBitfield?new Uint8Array(this._startupBitfield):this.pieces.length),this._reservations=this._hasStartupBitfield?this.pieces.map((e,t)=>this.bitfield.get(t)?null:[]):this.pieces.map(()=>[]),this.pieces=this.pieces.map((e,t)=>{if(this._hasStartupBitfield&&this.bitfield.get(t))return null;const i=t===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new et(i)}),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===Ve?this.getFileModtimes((t,i)=>{if(t)return this._destroy(t);this.files.map((e,t)=>i[t]===this._fileModtimes[t]).every(e=>e)?(this._markAllVerified(),this._onStore()):this._verifyPieces(e)}):this._verifyPieces(e)}}getFileModtimes(e){const t=[];Qe(this.files.map((e,i)=>s=>{const n=this.addUID?h(this.name+" - "+this.infoHash.slice(0,8)):h(this.path,e.path);ne.stat(n,(e,n)=>{if(e&&"ENOENT"!==e.code)return s(e);t[i]=n&&n.mtime.getTime(),s(null)})}),Ct,i=>{this._debug("done getting file modtimes"),e(i,t)})}_verifyPiece(e,t){if(this.destroyed)return t(new Error("torrent is destroyed"));const i={};e===this.pieces.length-1&&(i.length=this.lastPieceLength),this.store.get(e,i,async(i,s)=>{if(this.destroyed)return t(new Error("torrent is destroyed"));if(i)return y(()=>t(null,!1));const n=await(0,w.tW)(s,"hex");if(this.destroyed)return t(new Error("torrent is destroyed"));t(null,n===this._hashes[e])})}_verifyPiecesUsingBitfield(e){const t=new Set,i=new Map;for(const e of this.files){let s=2,n=null;for(let t=e._startPiece;t<=e._endPiece;++t)this.bitfield.get(t)&&(s&&(n=t,s--),i.has(t)||i.set(t,[]),i.get(t).push(e));null!==n&&t.add(n)}this._verifyPiecesUsingHash([...t],s=>{if(s)return e(s);const n=new Set;for(const e of t)if(!this.bitfield.get(e)){const t=i.get(e);for(const e of t)n.add(e)}if(n.size){const t=[];for(const e of n)for(let i=e._startPiece;i<=e._endPiece;++i)-1===t.indexOf(i)&&t.push(i);return this._verifyPiecesUsingHash(t,e)}e(null)})}_verifyPiecesUsingHash(e,t){Qe(e.map((e,t)=>i=>{const s=Number.isInteger(e)?e:t;this._verifyPiece(s,(e,t)=>{if(e)return i(e);t?(this._debug("piece verified %s",s),this._markVerified(s)):(this._markUnverified(s),this._debug("piece invalid %s",s)),i(null)})}),Ct,t)}_verifyPieces(e){if(this._hasStartupBitfield)return this._verifyPiecesUsingBitfield(e);this._verifyPiecesUsingHash(this.pieces,e)}rescanFiles(e){if(this.destroyed)throw new Error("torrent is destroyed");e||(e=Nt),this._verifyPiecesUsingHash(this.pieces,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),this.emit("verified",e)}_markUnverified(e){const t=e===this.pieces.length-1?this.lastPieceLength:this.pieceLength;this.pieces[e]=new et(t),this.bitfield.set(e,!1),this._startAsDeselected||this.select(e,e);for(const t of this.files)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 i=0;i<this.pieces.length;i++)if(this.bitfield.get(i)&&(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,i){if("function"==typeof t)return this._destroy(e,null,t);if(this.destroyed)return;this.destroyed=!0,this._debug("destroy"),this.client._remove(this),this._selections.clear(),clearInterval(this._rechokeIntervalId),clearInterval(this._noPeersIntervalId),this._xsRequestsController?.abort(),this._rarityMap&&this._rarityMap.destroy();for(const e of this._peers.keys())this.removePeer(e);for(const e of this.files)e instanceof lt&&e._destroy();const s=this._servers.map(e=>t=>{e.destroy(t)});if(this.discovery&&s.push(e=>{this.discovery.destroy(e)}),this.store){let e=this._destroyStoreOnDestroy;t&&void 0!==t.destroyStore&&(e=t.destroyStore),s.push(t=>{e?this.store.destroy(t):this.store.close(t)})}g(s,i),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.clear(),this._peers=null,this._servers=null,this._xsRequests=null,this._queue=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 i;if("string"==typeof e){let t;try{t=le(e)}catch(t){return this._debug("ignoring peer: invalid %s",e),this.emit("invalidPeer",e),!1}i=t[0]}else"string"==typeof e.remoteAddress&&(i=e.remoteAddress);if(this.client.blocked&&i&&this.client.blocked.contains(i))return this._debug("ignoring peer: blocked %s",e),"string"!=typeof e&&e.destroy(),this.emit("blockedPeer",e),!1;const s=this.client.utp&&this._isIPv4(i)?"utp":"tcp",n=!!this._addPeer(e,s,t);return n?this.emit("peer",e):this.emit("invalidPeer",e),n}_addPeer(e,t,i){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 s=e&&e.id||e;if(this._peers.has(s))return this._debug("ignoring peer: duplicate (%s)",s),"string"!=typeof e&&e.destroy(),null;if(this.paused)return this._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null;let n;return this._debug("add peer %s",s),n="string"==typeof e?"utp"===t?ct.A.createUTPOutgoingPeer(e,this,this.client.throttleGroups,i):ct.A.createTCPOutgoingPeer(e,this,this.client.throttleGroups,i):ct.A.createWebRTCPeer(e,this,this.client.throttleGroups,i),this._registerPeer(n),"string"==typeof e&&(this._queue.push(n),this._drain()),n}addWebSeed(e){if(this.destroyed)throw new Error("torrent is destroyed");let t,i;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.has(t))return this.emit("warning",new Error(`ignoring duplicate web seed: ${t}`)),void this.emit("invalidPeer",t);i=new _t(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(i=e,t=i.connId,this._peers.has(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 s=ct.A.createWebSeedPeer(i,t,this,this.client.throttleGroups);this._registerPeer(s),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))}),e.connected?this._numConns+=1:e.once("connect",()=>{this.destroyed||(this._numConns+=1)}),e.once("disconnect",()=>{this._numConns-=1}),this._peers.set(e.id,e),this._peersLength+=1}removePeer(e){const t=e?.id||e;e&&!e.id&&(e=this._peers?.get(t)),e&&(e.destroy(),this.destroyed||(this._debug("removePeer %s",t),this._peers.delete(t),this._peersLength-=1,this._drain()))}_select(e=0,t=this.pieces.length-1,i,s,n=!1){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}`);i=Number(i)||0,this._debug("select %s-%s (priority %s)",e,t,i),this._selections.insert({from:e,to:t,offset:0,priority:i,notify:s,isStreamSelection:n}),this._selections.sort((e,t)=>t.priority-e.priority),this._updateSelections()}select(e,t,i,s){this._select(e,t,i,s,!1)}_deselect(e,t,i=!1){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("deselect %s-%s",e,t),this._selections.remove({from:e,to:t,isStreamSelection:i}),this._updateSelections()}deselect(e,t){this._deselect(e,t,!1)}critical(e,t){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("critical %s-%s",e,t);for(let i=e;i<=t;++i)this._critical[i]=!0;this._updateSelections()}_onWire(e,t){if(this._debug("got wire %s (%s)",e._debugId,t||"Unknown"),this.wires.push(e),t){const i=le(t);e.remoteAddress=i[0],e.remotePort=i[1]}this.client.dht&&this.client.dht.listening&&e.on("port",i=>{if(!this.destroyed&&!this.client.dht.destroyed){if(!e.remoteAddress)return this._debug("ignoring PORT from peer with no address");if(0===i||i>65536)return this._debug("ignoring invalid PORT from peer");this._debug("port: %s (from %s)",i,t),this.client.dht.addNode({host:e.remoteAddress,port:i})}}),e.on("timeout",()=>{this._debug("wire timeout (%s)",t),e.destroy()}),"webSeed"!==e.type&&e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(nt(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 rt&&!this.private&&(e.use(rt()),e.ut_pex.on("peer",e=>{this.client.seedOutgoingConnections||!this.done?(this._debug("ut_pex: got peer: %s (from %s)",e,t),this.addPeer(e,ct.A.SOURCE_UT_PEX)):this._debug("ut_pex ignoring peer %s: torrent is done and seedOutgoingConnections is false",e)}),e.ut_pex.on("dropped",e=>{const i=this._peers.get(e);i&&!i.connected&&(this._debug("ut_pex: dropped peer: %s (from %s)",e,t),this.removePeer(e))}),e.once("close",()=>{e.ut_pex.reset()})),e.use(Je()),this.emit("wire",e,t),this.ready&&y(()=>{this._onWireWithMetadata(e)})}_onWireWithMetadata(e){let t=null;const i=()=>{this.destroyed||e.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&e.amInterested?e.destroy():(t=setTimeout(i,St),t.unref&&t.unref()))};let s;const n=()=>{if(e.peerPieces.buffer.length&&e.peerPieces.setAll){if(e.peerPieces.buffer.length!==this.bitfield.buffer.length)return;for(s=0;s<this.pieces.length;++s)if(!e.peerPieces.get(s))return}e.isSeeder=!0,this.alwaysChokeSeeders&&e.choke()};e.on("bitfield",()=>{n(),this._update(),this._updateWireInterest(e)}),e.on("have",()=>{n(),this._update(),this._updateWireInterest(e)}),e.lt_donthave.on("donthave",()=>{n(),this._update(),this._updateWireInterest(e)}),e.on("have-all",()=>{e.isSeeder=!0,this.alwaysChokeSeeders&&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(i,St),t.unref&&t.unref()}),e.on("unchoke",()=>{clearTimeout(t),this._update()}),e.on("request",(t,i,s,n)=>{if(s>131072)return e.destroy();this.pieces[t]||this.store.get(t,{offset:i,length:s},n)}),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(i,St),t.unref&&t.unref()),e.isSeeder=!1,n()}_updateSelections(){this.ready&&!this.destroyed&&(y(()=>{this._gcSelections()}),this._updateInterest(),this._update())}_gcSelections(){for(const e of this._selections){const t=e.offset;for(;this.bitfield.get(e.from+e.offset)&&e.from+e.offset<e.to;)e.offset+=1;t!==e.offset&&e.notify?.(),e.to===e.from+e.offset&&(this.bitfield.get(e.from+e.offset)&&(e.remove(),e.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 i=0;i<this.pieces.length;++i)if(this.pieces[i]&&e.peerPieces.get(i)){t=!0;break}t?e.interested():e.uninterested()}_update(){Ot?Ot(()=>this._updateWireWrapper(),{timeout:250}):this._updateWireWrapper()}_updateWireWrapper(){if(this.destroyed)return;const e=tt(this.wires);let t;for(;t=e();)this._updateWire(t)}_updateWire(e){if(e.destroyed)return!1;const t=this,i=Ht(e,.5);if(e.requests.length>=i)return;const s=Ht(e,1);if(e.peerChoking)e.hasFast&&e.peerAllowedFastSet.length>0&&!this._hasMorePieces(e.peerAllowedFastSet.length-1)&&function(){if(e.requests.length>=s)return!1;for(const i of e.peerAllowedFastSet){if(e.peerPieces.get(i)&&!t.bitfield.get(i))for(;t._request(e,i,!1)&&e.requests.length<s;);if(!(e.requests.length<s))return!0}}();else{if(!e.downloaded)return function(){if(e.requests.length)return;let i=t._selections.length;for(;i--;){const s=t._selections.get(i);let r;if("rarest"===t.strategy){const i=s.from+s.offset,o=s.to,a=o-i+1,h={};let l=0;const c=n(i,o,h);for(;l<a&&(r=t._rarityMap.getRarestPiece(c),!(r<0));){if(t._request(e,r,!1))return;h[r]=!0,l+=1}}else for(r=s.to;r>=s.from+s.offset;--r)if(e.peerPieces.get(r)&&t._request(e,r,!1))return}}();o(!1)||o(!0)}function n(t,i,s,n){return r=>r>=t&&r<=i&&!(r in s)&&e.peerPieces.get(r)&&(!n||n(r))}function r(e){let i=e;for(let s=e;s<t._selections.length&&t._selections.get(s).priority;s++)i=s;t._selections.swap(e,i)}function o(i){if(e.requests.length>=s)return!0;const o=function(){const i=e.downloadSpeed()||1;if(i>Et)return()=>!0;const s=Math.max(1,e.requests.length)*et.BLOCK_LENGTH/i;let n=10,r=0;return e=>{if(!n||t.bitfield.get(e))return!0;let o=t.pieces[e].missing;for(;r<t.wires.length;r++){const a=t.wires[r],h=a.downloadSpeed();if(!(h<Et)&&!(h<=i)&&a.peerPieces.get(e)&&!((o-=h*s)>0))return n--,!1}return!0}}();for(let a=0;a<t._selections.length;a++){const h=t._selections.get(a);let l;if("rarest"===t.strategy){const c=h.from+h.offset,d=h.to,u=d-c+1,p={};let f=0;const m=n(c,d,p,o);for(;f<u&&(l=t._rarityMap.getRarestPiece(m),!(l<0));){for(;t._request(e,l,t._critical[l]||i)&&e.requests.length<s;);if(!(e.requests.length<s))return h.priority&&r(a),!0;p[l]=!0,f++}}else for(l=h.from+h.offset;l<=h.to;l++)if(e.peerPieces.get(l)&&o(l)){for(;t._request(e,l,t._critical[l]||i)&&e.requests.length<s;);if(!(e.requests.length<s))return h.priority&&r(a),!0}}return!1}}_rechoke(){if(!this.ready)return;const e=this.wires.map(e=>({wire:e,random:Math.random()})).sort((e,t)=>{const i=e.wire,s=t.wire;return i.downloadSpeed()!==s.downloadSpeed()?i.downloadSpeed()-s.downloadSpeed():i.uploadSpeed()!==s.uploadSpeed()?i.uploadSpeed()-s.uploadSpeed():i.amChoking!==s.amChoking?i.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 i=e.pop();i.isSeeder||i===this._rechokeOptimisticWire||(i.unchoke(),i.peerInterested&&t++)}if(null===this._rechokeOptimisticWire&&this._rechokeNumSlots>0){const t=e.filter(e=>e.peerInterested);if(t.length>0){const e=t[(i=t.length,Math.random()*i|0)];e.unchoke(),this._rechokeOptimisticWire=e,this._rechokeOptimisticTime=2}}var i;e.filter(e=>e!==this._rechokeOptimisticWire).forEach(e=>e.choke())}_hotswap(e,t){const i=e.downloadSpeed();if(i<et.BLOCK_LENGTH)return!1;if(!this._reservations[t])return!1;const s=this._reservations[t];if(!s)return!1;let n,r,o=1/0;for(r=0;r<s.length;r++){const t=s[r];if(!t||t===e)continue;const a=t.downloadSpeed();a>=Et||(2*a>i||a>o||(n=t,o=a))}if(!n)return!1;for(r=0;r<s.length;r++)s[r]===n&&(s[r]=null);for(r=0;r<n.requests.length;r++){const e=n.requests[r];e.piece===t&&this.pieces[t].cancel(e.offset/et.BLOCK_LENGTH|0)}return this.emit("hotswap",n,e,t),!0}_request(e,t,i){const s=this,n=e.requests.length,r="webSeed"===e.type;if(s.bitfield.get(t))return!1;const o=r?Math.min(function(e,t,i){return 1+Math.ceil(t*e.downloadSpeed()/i)}(e,1,s.pieceLength),s.maxWebConns):Ht(e,1);if(n>=o)return!1;const a=s.pieces[t];let h=r?a.reserveRemaining():a.reserve();if(-1===h&&i&&s._hotswap(e,t)&&(h=r?a.reserveRemaining():a.reserve()),-1===h)return!1;let l=s._reservations[t];l||(l=s._reservations[t]=[]);let c=l.indexOf(null);-1===c&&(c=l.length),l[c]=e;const d=a.chunkOffset(h),u=r?a.chunkLengthRemaining(h):a.chunkLength(h);function p(){y(()=>{s._update()})}return e.request(t,d,u,async function i(n,o){if(s.destroyed)return;if(!s.ready)return s.once("ready",()=>{i(n,o)});if(l[c]===e&&(l[c]=null),a!==s.pieces[t])return p();if(n)return s._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,d,u,`${e.remoteAddress}:${e.remotePort}`,n.message),r?a.cancelRemaining(h):a.cancel(h),void p();if(s._debug("got piece %s (offset: %s length: %s) from %s",t,d,u,`${e.remoteAddress}:${e.remotePort}`),!a.set(h,o,e))return p();const f=a.flush(),m=await(0,w.tW)(f,"hex");s.destroyed||(m===s._hashes[t]?(s._debug("piece verified %s",t),s.store.put(t,f,e=>{e?s._destroy(e):(s.pieces[t]=null,s._markVerified(t),s.wires.forEach(e=>{e.have(t)}),s._checkDone(),p())})):(s.pieces[t]=new et(a.length),s.emit("warning",new Error(`Piece ${t} failed verification`)),p()))}),!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}`)}});const e=this.files.every(e=>e.done);return!this.done&&e?(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done"),this.destroyed||this.discovery.complete()):this.done&&!e&&(this.done=!1,this.discovery.tracker?.start()),this._gcSelections(),e}async load(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",()=>{this.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=Nt);try{await pe(this.store,_(e),{chunkLength:this.pieceLength}),this._markAllVerified(),this._checkDone(),t(null)}catch(e){return t(e),e}}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(...e){e[0]=`[${this.client._debugId}] [${this._debugId}] ${e[0]}`,xt(...e)}_drain(){if(this._debug("_drain numConns %s maxConns %s _peersLength %s",this._numConns,this.client.maxConns,this._peersLength),"function"!=typeof re.connect||this.destroyed||this.paused||this._numConns>=this.client.maxConns)return;this._debug("drain (%s queued, %s/%s peers)",this._numQueued,this.numPeers,this.client.maxConns);const e=this._queue.shift();if(!e)return;this._debug("%s connect attempt to %s",e.type,e.addr);const t=le(e.addr),i={host:t[0],port:t[1]};this.client.utp&&e.type===ct.A.TYPE_UTP_OUTGOING?e.conn=ut.connect(i.port,i.host):e.conn=re.connect(i);const s=e.conn;s.once("connect",()=>{this.destroyed||e.onConnect()}),s.once("error",t=>{e.destroy(t)}),e.startConnectTimeout(),s.on("close",()=>{if(this.destroyed)return;if(e.retries>=At.length){if(this.client.utp){const t=this._addPeer(e.addr,"tcp",e.source);t&&(t.retries=0)}else this._debug("conn %s closed: will not re-add (max %s attempts)",e.addr,At.length);return}const t=At[e.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",e.addr,t,e.retries+1);const i=setTimeout(()=>{if(this.destroyed)return;const t=le(e.addr)[0],i=this.client.utp&&this._isIPv4(t)?"utp":"tcp",s=this._addPeer(e.addr,i,e.source);s&&(s.retries=e.retries+1)},t);i.unref&&i.unref()})}_validAddr(e){let t;try{t=le(e)}catch(e){return!1}const i=t[0],s=t[1];return s>0&&s<65535&&!("127.0.0.1"===i&&s===this.client.torrentPort)}_isIPv4(e){return/^((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$/.test(e)}}function Ht(e,t){let i=2+Math.ceil(t*e.downloadSpeed()/et.BLOCK_LENGTH);if(e.peerExtendedHandshake){const t=e.peerExtendedHandshake.reqq;"number"==typeof t&&t>0&&(i=Math.min(i,t))}return i}function Nt(){}var Mt=n(4043),Ft=n(580),Ut=n(815),jt=n(2878);class Bt{constructor(e,t={}){this.client=e,t.origin||(t.origin="*"),this.opts=t,this.pendingReady=new Set}static serveIndexPage(e,t,i){const s=t.map(e=>`<li>\n        <a href="${Ft(i)}/${e.infoHash}">\n          ${Ft(e.name)}\n        </a>\n        (${Ft(e.length)} bytes)\n      </li>`).join("<br>");return e.status=200,e.headers["Content-Type"]="text/html",e.body=Wt("WebTorrent",`<h1>WebTorrent</h1>\n       <ol>${s}</ol>`),e}isOriginAllowed(e){return!1!==this.opts.origin&&("*"===this.opts.origin||e.headers.origin===this.opts.origin)}static serveMethodNotAllowed(e){return e.status=405,e.headers["Content-Type"]="text/html",e.body=Wt("405 - Method Not Allowed","<h1>405 - Method Not Allowed</h1>"),e}static serve404Page(e){return e.status=404,e.headers["Content-Type"]="text/html",e.body=Wt("404 - Not Found","<h1>404 - Not Found</h1>"),e}static serveTorrentPage(e,t,i){const s=e.files.map(t=>`<li>\n        <a href="${Ft(i)}/${e.infoHash}/${Ft(t.path)}">\n          ${Ft(t.path)}\n        </a>\n        (${Ft(t.length)} bytes)\n      </li>`).join("<br>");return t.status=200,t.headers["Content-Type"]="text/html",t.body=Wt(`${Ft(e.name)} - WebTorrent`,`<h1>${Ft(e.name)}</h1>\n      <ol>${s}</ol>`),t}static serveOptionsRequest(e,t){return t.status=204,t.headers["Access-Control-Max-Age"]="600",t.headers["Access-Control-Allow-Methods"]="GET,HEAD",e.headers["access-control-request-headers"]&&(t.headers["Access-Control-Allow-Headers"]=e.headers["access-control-request-headers"]),t}static serveFile(e,t,i){i.status=200,i.headers.Expires="0",i.headers["Cache-Control"]="no-cache, no-store, must-revalidate, max-age=0",i.headers["Accept-Ranges"]="bytes",i.headers["Content-Type"]=e.type,i.headers["transferMode.dlna.org"]="Streaming",i.headers["contentFeatures.dlna.org"]="DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000","document"===t.destination?(i.headers["Content-Type"]="application/octet-stream",i.headers["Content-Disposition"]=`attachment; filename*=UTF-8''${$t(e.name)}`,i.body="DOWNLOAD"):i.headers["Content-Disposition"]=`inline; filename*=UTF-8''${$t(e.name)}`;let s=jt(e.length,t.headers.range||"");if(Array.isArray(s)?(i.status=206,s=s[0],i.headers["Content-Range"]=`bytes ${s.start}-${s.end}/${e.length}`,i.headers["Content-Length"]=s.end-s.start+1):(i.statusCode=200,s=null,i.headers["Content-Length"]=e.length),"GET"===t.method){const n=e[Symbol.asyncIterator](s);let r=null;e.emit("iterator",{iterator:n,req:t,file:e},e=>{r=e});const o=G.Readable.from(r||n);let a=null;e.emit("stream",{stream:o,req:t,file:e},e=>{a=Ut(o,e)}),i.body=a||o}else i.body=!1;return i}async onRequest(e,t){let i=new URL(e.url,"http://example.com").pathname;i=i.slice(i.indexOf(this.pathname)+this.pathname.length+1);const s={headers:{"X-Content-Type-Options":"nosniff","Content-Security-Policy":"base-uri 'none'; frame-ancestors 'none'; form-action 'none';"}};if(this.isOriginAllowed(e)&&(s.headers["Access-Control-Allow-Origin"]="*"===this.opts.origin?"*":e.headers.origin),"favicon.ico"===i)return t(Bt.serve404Page(s));if("OPTIONS"===e.method)return this.isOriginAllowed(e)?t(Bt.serveOptionsRequest(e,s)):t(Bt.serveMethodNotAllowed(s));const n=async()=>{this.pendingReady.delete(n);const e=await r();t(e)},r=async()=>{if(""===i)return Bt.serveIndexPage(s,this.client.torrents,this.pathname);let[t,...n]=i.split("/");n=decodeURI(n.join("/"));const r=await this.client.get(t);if(!t||!r)return Bt.serve404Page(s);if(!n)return Bt.serveTorrentPage(r,s,this.pathname);const o=r.files.find(e=>e.path.replace(/\\/g,"/")===n);return o?Bt.serveFile(o,e,s):Bt.serve404Page(s)};if("GET"===e.method||"HEAD"===e.method){if(this.client.ready){const e=await r();return t(e)}return this.pendingReady.add(n),void this.client.once("ready",n)}return t(Bt.serveMethodNotAllowed(s))}close(e=()=>{}){this.closed=!0,this.pendingReady.forEach(e=>{this.client.removeListener("ready",e)}),this.pendingReady.clear(),y(e)}destroy(e=()=>{}){this.closed?y(e):this.close(e),this.client=null}}class Dt extends Bt{constructor(e,t){super(e,t),this.server=Mt.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}:${this.server.address().port}`?e.destroy():new URL(e.url,"http://example.com").pathname.startsWith(this.pathname)?void this.onRequest(e,({status:e,headers:i,body:s})=>{t.writeHead(e,i),s?._readableState||s?._writableState?Ut(s,t):t.end(s)}):e.destroy()}onConnection(e){e.setTimeout(36e6),this.sockets.add(e),e.once("close",()=>{this.sockets.delete(e)})}address(){return this.server.address()}listen(...e){return this.closed=!1,this.server.on("connection",this.onConnection.bind(this)),this.server.on("request",this.wrapRequest.bind(this)),this._listen.apply(this.server,e)}close(e=()=>{}){this.server.removeAllListeners("connection"),this.server.removeAllListeners("request"),this.server.removeAllListeners("listening"),super.close(),this._close.call(this.server,e)}destroy(e){this.sockets.forEach(e=>{e.destroy()}),super.destroy(e)}}class qt extends Bt{constructor(e,t){super(e,t),this.registration=t.controller,this.workerKeepAliveInterval=null,this.workerPortCount=0;const i=new URL(t.controller.scope);this.pathname=i.pathname+"webtorrent",this._address={port:i.port,family:"IPv4",address:i.hostname},this.boundHandler=this.wrapRequest.bind(this),navigator.serviceWorker.addEventListener("message",this.boundHandler),fetch(`${this.pathname}/cancel/`).then(e=>{e.body.cancel()})}wrapRequest(e){const t=e.data;if("webtorrent"===!t?.type||!t.url)return null;const[i]=e.ports;this.onRequest(t,({status:e,headers:t,body:s})=>{const n=s[Symbol.asyncIterator]?.(),r=()=>{i.onmessage=null,s?.destroy&&s.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};i.onmessage=async e=>{if(e.data){let e;try{e=(await n.next()).value}catch(e){}i.postMessage(e),e||r(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval(()=>fetch(`${this.pathname}/keepalive/`),2e4))}else r()},this.workerPortCount++,i.postMessage({status:e,headers:t,body:n?"STREAM":s})})}listen(e,t){t()}address(){return this._address}close(e){navigator.serviceWorker.removeEventListener("message",this.boundHandler),super.close(e)}destroy(e){super.destroy(e)}}function Wt(e,t){return`\n    <!DOCTYPE html>\n    <html lang="en">\n      <head>\n        <meta charset="utf-8">\n        <title>${e}</title>\n      </head>\n      <body>\n        ${t}\n      </body>\n    </html>\n  `}function $t(e){return encodeURIComponent(e).replace(/['()]/g,escape).replace(/\*/g,"%2A").replace(/%(?:7C|60|5E)/g,unescape)}const zt=T("webtorrent"),Vt=ft.replace(/\d*./g,e=>("0"+e%100).slice(-2)).slice(0,4),Gt=`-WW${Vt}-`;class Kt extends r{constructor(e={}){super(),"string"==typeof e.peerId?this.peerId=e.peerId:ArrayBuffer.isView(e.peerId)?this.peerId=(0,w.V5)(e.peerId):this.peerId=(0,w.V5)((0,w.L0)(Gt+(0,w.NJ)((0,w.po)(9)))),this.peerIdBuffer=(0,w.fk)(this.peerId),"string"==typeof e.nodeId?this.nodeId=e.nodeId:ArrayBuffer.isView(e.nodeId)?this.nodeId=(0,w.V5)(e.nodeId):this.nodeId=(0,w.V5)((0,w.po)(20)),this.nodeIdBuffer=(0,w.fk)(this.nodeId),this._debugId=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.natUpnp=e.natUpnp??!0,this.natPmp=e.natPmp??!0,this.torrents=[],this.maxConns=Number(e.maxConns)||55,this.utp=Kt.UTP_SUPPORT&&!1!==e.utp,this.seedOutgoingConnections=e.seedOutgoingConnections??!0,this._downloadLimit=Math.max("number"==typeof e.downloadLimit?e.downloadLimit:-1,-1),this._uploadLimit=Math.max("number"==typeof e.uploadLimit?e.uploadLimit:-1,-1),(this.natUpnp||this.natPmp)&&"function"==typeof ie&&(this.natTraversal=new ie({enableUPNP:this.natUpnp,enablePMP:this.natPmp,upnpPermanentFallback:"permanent"===e.natUpnp})),!0===e.secure&&Promise.resolve().then(n.bind(n,5658)).then(({enableSecure:e})=>e()),this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.throttleGroups={down:new te.ThrottleGroup({rate:Math.max(this._downloadLimit,0),enabled:this._downloadLimit>=0}),up:new te.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 se?this._connPool=new se(this):y(()=>{this._onListening()}),this._downloadSpeed=ee(),this._uploadSpeed=ee(),!1!==e.dht&&"function"==typeof I.Client?(this.dht=new I.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.natTraversal&&this.natTraversal.map({publicPort:this.dhtPort,privatePort:this.dhtPort,protocol:"udp",description:"WebTorrent DHT"}).catch(e=>{zt("error mapping DHT port via UPnP/PMP: %o",e)}))}),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 L&&null!=e.blocklist?L(e.blocklist,{headers:{"user-agent":`WebTorrent/${ft} (https://webtorrent.io)`}},(e,i)=>{if(e)return console.error(`Failed to load blocklist: ${e.message}`);this.blocked=i,t()}):y(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 qt(this,e),this._server}return this._server=new Dt(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 Rt){if(this.torrents.includes(e))return e}else{const t=this.torrents;let i;try{i=await D(e)}catch(e){}if(!i)return null;if(!i.infoHash)throw new Error("Invalid torrent identifier");for(const e of t)if(e.infoHash===i.infoHash)return e}return null}add(e,t={},i=()=>{}){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,i]=[{},t]);const s=()=>{if(!this.destroyed)for(const e of this.torrents)if(e.infoHash===r.infoHash&&e!==r)return r._destroy(new Error(`Cannot add duplicate torrent ${r.infoHash}`)),void i(e)},n=()=>{this.destroyed||(i(r),this.emit("torrent",r))};this._debug("add"),t=t?Object.assign({},t):{};const r=new Rt(e,this,t);return this.torrents.push(r),r.once("_infoHash",s),r.once("ready",n),r.once("close",function e(){r.removeListener("_infoHash",s),r.removeListener("ready",n),r.removeListener("close",e)}),this.emit("add",r),r}seed(e,t,i){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,i]=[{},t]),this._debug("seed"),(t=t?Object.assign({},t):{}).skipVerify=!0;const s="string"==typeof e;s&&(t.path=function(e){if(o(e),0===e.length)return".";let t=e.charCodeAt(0);const i=47===t;let s=-1,n=!0;for(let i=e.length-1;i>=1;--i)if(t=e.charCodeAt(i),47===t){if(!n){s=i;break}}else n=!1;return-1===s?i?"/":".":i&&1===s?"//":e.slice(0,s)}(e)),t.createdBy||(t.createdBy=`WebTorrent/${Vt}`);const n=e=>{this._debug("on seed"),"function"==typeof i&&i(e),e.emit("seed"),this.emit("seed",e)},r=this.add(null,t,e=>{const i=[i=>{if(s||t.preloadedStore)return i();e.load(a,i)}];this.dht&&i.push(t=>{e.once("dhtAnnounce",t)}),g(i,t=>{if(!this.destroyed)return t?e._destroy(t):void n(e)})});let a;var h;return h=e,"undefined"!=typeof FileList&&h instanceof FileList?e=Array.from(e):Array.isArray(e)||(e=[e]),g(e.map(e=>async i=>{if(!t.preloadedStore&&function(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}(e)){const t=[];try{for await(const i of e)t.push(i)}catch(e){return i(e)}const s=(0,w.xW)(t);s.name=e.name,i(null,s)}else i(null,e)}),(e,s)=>{if(!this.destroyed)return e?r._destroy(e):void function(e,t,i){"function"==typeof t&&([t,i]=[i,t]),x(e,t=t?Object.assign({},t):{},i)}(s,t,(e,n)=>{if(!this.destroyed){if(e)return r._destroy(e);a=n.map(e=>e.getStream),P(s,t,async(e,t)=>{if(this.destroyed)return;if(e)return r._destroy(e);const s=await this.get(t);s?(console.warn("A torrent with the same id is already being seeded"),r._destroy(),"function"==typeof i&&i(s)):r._onTorrentId(t)})}})}),r}async remove(e,t,i){if("function"==typeof t)return this.remove(e,null,t);this._debug("remove");const s=await this.get(e);if(!s)throw new Error(`No torrent with id ${e}`);this._remove(s,t,i)}_remove(e,t,i){if(!e)return;if("function"==typeof t)return this._remove(e,null,t);const s=this.torrents.indexOf(e);-1!==s&&(this.torrents.splice(s,1),e.destroy(t,i),this.dht&&this.dht._tables.remove(e.infoHash),this.emit("remove",e))}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._downloadLimit=e,this._downloadLimit<0?this.throttleGroups.down.setEnabled(!1):(this.throttleGroups.down.setEnabled(!0),void this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._uploadLimit=e,this._uploadLimit<0?this.throttleGroups.up.setEnabled(!1):(this.throttleGroups.up.setEnabled(!0),void this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)}_destroy(e,t){this._debug("client destroy"),this.destroyed=!0;const i=this.torrents.map(e=>t=>{e.destroy(t)});this._connPool&&i.push(e=>{this._connPool.destroy(e)}),this.dht&&i.push(e=>{this.dht.destroy(e)}),this._server&&i.push(e=>{this._server.destroy(e)}),this.natTraversal&&i.push(e=>{this.natTraversal.destroy().then(()=>e())}),g(i,t),e&&this.emit("error",e),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const e=this._connPool.tcpServer.address();e&&(this.torrentPort=e.port,this.natTraversal&&this.natTraversal.map({publicPort:this.torrentPort,privatePort:this.torrentPort,protocol:this.utp?null:"tcp",description:"WebTorrent Torrent"}).catch(e=>{zt("error mapping WebTorrent port via UPnP/PMP: %o",e)}))}this.emit("listening")}_debug(){const e=[].slice.call(arguments);e[0]=`[${this._debugId}] ${e[0]}`,zt(...e)}async _getByHash(e){for(const t of this.torrents)if(t.infoHashHash||(t.infoHashHash=await(0,w.tW)((0,w.fk)("72657132"+t.infoHash),"hex")),e===t.infoHashHash)return t;return null}}Kt.WEBRTC_SUPPORT=Z.WEBRTC_SUPPORT,Kt.UTP_SUPPORT=se.UTP_SUPPORT,Kt.VERSION=ft;export{Kt as default};
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