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META-INF.resources.webtorrent.min.js Maven / Gradle / Ivy
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n=+Date.now(),s=10*(e||5),i=[0];let r=1,o=t(n)-1&65535;return function(e){const a=t(n);let h=a-o&65535;for(h>s&&(h=s),o=a;h--;)r===s&&(r=0),i[r]=i[0===r?s-1:r-1],r++;e&&(i[r-1]+=e);const c=i[r-1],l=i.length{e.exports=function(e,t){if(t>=e.length||t<0)return;var n=e.pop();if(t{e.exports=function e(t,n){if(t&&n)return e(t)(n);if("function"!=typeof t)throw new TypeError("need wrapper function");return Object.keys(t).forEach((function(e){s[e]=t[e]})),s;function s(){for(var e=new Array(arguments.length),n=0;n{},6686:()=>{},4043:()=>{},7828:()=>{},6889:()=>{},8878:()=>{},2701:()=>{},7264:()=>{},1551:()=>{},826:()=>{},61:()=>{},7936:()=>{},2532:()=>{},2123:()=>{},3208:()=>{},2376:()=>{},3970:()=>{},2799:()=>{},8271:()=>{},3278:()=>{},6664:()=>{},1827:()=>{},6819:(e,t,n)=>{e.exports=n(8330).version},5658:(e,t,n)=>{n.r(t),n.d(t,{default:()=>m,enableSecure:()=>g});var s=n(7007),i=n(8179),r=n(1314),o=n(7833),a=n(6458);const h="tcpIncoming",c="tcpOutgoing",l="utpIncoming",d="utpOutgoing",u="webSeed",f=o("webtorrent:peer");let p=!1;const g=()=>{p=!0};class m extends s{constructor(e,t){super(),this.id=e,this.type=t,f("new %s Peer %s",t,e),this.addr=null,this.conn=null,this.swarm=null,this.wire=null,this.source=null,this.connected=!1,this.destroyed=!1,this.timeout=null,this.retries=0,this.sentPe1=!1,this.sentPe2=!1,this.sentPe3=!1,this.sentPe4=!1,this.sentHandshake=!1}onConnect(){if(this.destroyed)return;this.connected=!0,f("Peer %s connected",this.id),clearTimeout(this.connectTimeout);const e=this.conn;e.once("end",(()=>{this.destroy()})),e.once("close",(()=>{this.destroy()})),e.once("finish",(()=>{this.destroy()})),e.once("error",(e=>{this.destroy(e)}));const t=this.wire=new a.A(this.type,this.retries,p);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?p&&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 swarm")),this.sendPe4())}sendPe4(){this.wire.sendPe4(this.swarm.infoHash),this.sentPe4=!0}onPe4(){this.sentHandshake||this.handshake()}clearPipes(){this.conn.unpipe(),this.wire.unpipe()}setThrottlePipes(){const e=this;(0,i.pipeline)(this.conn,this.throttleGroups.down.throttle(),new i.Transform({transform(t,n){e.emit("download",t.length),e.destroyed||n(null,t)}}),this.wire,this.throttleGroups.up.throttle(),new i.Transform({transform(t,n){e.emit("upload",t.length),e.destroyed||n(null,t)}}),this.conn)}onHandshake(e,t){if(!this.swarm)return;if(this.destroyed)return;if(this.swarm.destroyed)return this.destroy(new Error("swarm already destroyed"));if(e!==this.swarm.infoHash)return this.destroy(new Error("unexpected handshake info hash for this swarm"));if(t===this.swarm.peerId)return this.destroy(new Error("refusing to connect to ourselves"));f("Peer %s got handshake %s",this.id,e),clearTimeout(this.handshakeTimeout),this.retries=0;let n=this.addr;!n&&this.conn.remoteAddress&&this.conn.remotePort&&(n=`${this.conn.remoteAddress}:${this.conn.remotePort}`),this.swarm._onWire(this.wire,n),this.swarm&&!this.swarm.destroyed&&(this.sentHandshake||this.handshake())}handshake(){const e={dht:!this.swarm.private&&!!this.swarm.client.dht,fast:!0};this.wire.handshake(this.swarm.infoHash,this.swarm.client.peerId,e),this.sentHandshake=!0}startConnectTimeout(){clearTimeout(this.connectTimeout);const e={webrtc:25e3,tcpOutgoing:5e3,utpOutgoing:5e3};this.connectTimeout=setTimeout((()=>{this.destroy(new Error("connect timeout"))}),e[this.type]),this.connectTimeout.unref&&this.connectTimeout.unref()}startHandshakeTimeout(){clearTimeout(this.handshakeTimeout),this.handshakeTimeout=setTimeout((()=>{this.destroy(new Error("handshake timeout"))}),25e3),this.handshakeTimeout.unref&&this.handshakeTimeout.unref()}destroy(e){if(this.destroyed)return;this.destroyed=!0,this.connected=!1,f("destroy %s %s (error: %s)",this.type,this.id,e&&(e.message||e)),clearTimeout(this.connectTimeout),clearTimeout(this.handshakeTimeout);const t=this.swarm,n=this.conn,s=this.wire;this.swarm=null,this.conn=null,this.wire=null,t&&s&&r(t.wires,t.wires.indexOf(s)),n&&(n.on("error",(()=>{})),n.destroy()),s&&s.destroy(),t&&t.removePeer(this.id)}}m.TYPE_TCP_INCOMING=h,m.TYPE_TCP_OUTGOING=c,m.TYPE_UTP_INCOMING=l,m.TYPE_UTP_OUTGOING=d,m.TYPE_WEBRTC="webrtc",m.TYPE_WEBSEED=u,m.SOURCE_MANUAL="manual",m.SOURCE_TRACKER="tracker",m.SOURCE_DHT="dht",m.SOURCE_LSD="lsd",m.SOURCE_UT_PEX="ut_pex",m.createWebRTCPeer=(e,t,n)=>{const s=new m(e.id,"webrtc");if(s.conn=e,s.swarm=t,s.throttleGroups=n,s.conn.connected)s.onConnect();else{const e=()=>{s.conn.removeListener("connect",t),s.conn.removeListener("error",n)},t=()=>{e(),s.onConnect()},n=t=>{e(),s.destroy(t)};s.conn.once("connect",t),s.conn.once("error",n),s.startConnectTimeout()}return 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u.integer();default:return u.buffer()}},u.find=function(e){let t=u.position;const n=u.data.length,s=u.data;for(;t{function s(e){return(e>>3)+Number(e%8!=0)}n.d(t,{A:()=>i});class i{get length(){return this.buffer.length<<3}constructor(e=0,t){const n=null==t?void 0:t.grow;this.grow=n?Number.isFinite(n)?s(n):n:0,this.buffer="number"==typeof e?new Uint8Array(s(e)):e}get(e){const t=e>>3;return t>e%8)}set(e,t=!0){const n=e>>3;if(t){if(n>=this.buffer.length){const e=Math.max(n+1,Math.min(2*this.buffer.length,this.grow));if(e<=this.grow){const t=new Uint8Array(e);t.set(this.buffer),this.buffer=t}}this.buffer[n]|=128>>e%8}else n>e%8))}setAll(e,t=0){const n=Math.min(s(t+e.length),this.grow);if(this.buffer.length>3,r=128>>t%8;for(let t=0;t=this.buffer.length)break;r=128}else r>>=1}forEach(e,t=0,n=8*this.buffer.length){let s=t>>3,i=128>>t%8;for(let r=t;r>=1}isEmpty(){for(let e=0;e{n.d(t,{A:()=>L});var s=n(988),i=n(3033),r=n(7264),o=n(7833),a=n(8727),h=n(8179),c=n(9639),l=n(1035),d=n(1314);const u=o("bittorrent-protocol"),f=(0,c.L0)("BitTorrent protocol"),p=new Uint8Array([0,0,0,0]),g=new Uint8Array([0,0,0,1,0]),m=new Uint8Array([0,0,0,1,1]),_=new Uint8Array([0,0,0,1,2]),y=new Uint8Array([0,0,0,1,3]),b=[0,0,0,0,0,0,0,0],w=[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 n=e.length;n--;)e[n]^=t[n];return e}class A{constructor(e,t,n,s){this.piece=e,this.offset=t,this.length=n,this.callback=s}}class P{constructor(){this.buffer=new Uint8Array}get(e){return!0}set(e){}}class T extends h.Duplex{constructor(e=null,t=0,n=!1){super(),this._debugId=(0,c.V5)((0,c.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 i.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=l(),this.downloadSpeed=l(),this._keepAliveInterval=null,this._timeout=null,this._timeoutMs=0,this._timeoutExpiresAt=null,this._finished=!1,this._parserSize=0,this._parser=null,this._buffer=[],this._bufferSize=0,this._peEnabled=n,n?(this._dh=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 %s",e),clearInterval(this._keepAliveInterval),!1!==e&&(this._keepAliveInterval=setInterval((()=>{this.keepAlive()}),55e3))}setTimeout(e,t){this._debug("setTimeout ms=%d unref=%s",e,t),this._timeoutMs=e,this._timeoutUnref=!!t,this._resetTimeout(!0)}destroy(){if(!this.destroyed)return this._debug("destroy"),this.end(),this}end(e){if(!this.destroyed&&!this.destroying)return this._debug("end"),this._onUninterested(),this._onChoke(),super.end(e)}use(e){const t=e.prototype.name;if(!t)throw new Error('Extension class requires a "name" property on the prototype');this._debug("use extension.name=%s",t);const n=this._nextExt,s=new e(this);function i(){}"function"!=typeof s.onHandshake&&(s.onHandshake=i),"function"!=typeof s.onExtendedHandshake&&(s.onExtendedHandshake=i),"function"!=typeof s.onMessage&&(s.onMessage=i),this.extendedMapping[n]=t,this._ext[t]=s,this[t]=s,this._nextExt+=1}keepAlive(){this._debug("keep-alive"),this._push(p)}sendPe1(){if(this._peEnabled){const e=Math.floor(513*Math.random()),t=(0,c.po)(e);this._push((0,c.xW)([(0,c.fk)(this._myPubKey),t]))}}sendPe2(){const e=Math.floor(513*Math.random()),t=(0,c.po)(e);this._push((0,c.xW)([(0,c.fk)(this._myPubKey),t]))}async sendPe3(e){await this.setEncrypt(this._sharedSecret,e);const t=await(0,c.tW)((0,c.fk)(this._utfToHex("req1")+this._sharedSecret)),n=C(await(0,c.tW)((0,c.fk)(this._utfToHex("req2")+e)),await(0,c.tW)((0,c.fk)(this._utfToHex("req3")+this._sharedSecret))),s=new DataView((0,c.po)(2).buffer).getUint16(0)%512,i=(0,c.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),i.copy(r,14),o.setInt16(14+s,0),r=this._encryptHandshake(r),this._push((0,c.xW)([t,n,r]))}async sendPe4(e){await this.setEncrypt(this._sharedSecret,e);const t=new DataView((0,c.po)(2).buffer).getUint16(0)%512,n=(0,c.po)(t);let s=new Uint8Array(14+t);const i=new DataView(s.buffer);s.set(x),s.set(E,8),i.setInt16(12,t),s.set(n,14),s=this._encryptHandshake(s),this._push(s),this._cryptoHandshakeDone=!0,this._debug("completed crypto handshake")}handshake(e,t,n){let s,i;if("string"==typeof e?(e=e.toLowerCase(),s=(0,c.fk)(e)):(s=e,e=(0,c.V5)(s)),"string"==typeof t?i=(0,c.fk)(t):(i=t,t=(0,c.V5)(i)),this._infoHash=s,20!==s.length||20!==i.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,n);const r=new Uint8Array(b);this.extensions={extended:!0,dht:!(!n||!n.dht),fast:!(!n||!n.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,c.xW)([f,r,s,i])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const e=Object.assign({},this.extendedHandshake);e.m={};for(const t in this.extendedMapping){const n=this.extendedMapping[t];e.m[n]=Number(t)}this.extended(0,s.A.encode(e)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking)if(this.amChoking=!0,this._debug("choke"),this._push(g),this.hasFast){let e=0;for(;this.peerRequests.length>e;){const t=this.peerRequests[e];this.allowedFastSet.includes(t.piece)?++e:this.reject(t.piece,t.offset,t.length)}}else for(;this.peerRequests.length;)this.peerRequests.pop()}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(m))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(_))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(y))}have(e){this._debug("have %d",e),this._message(4,[e],null)}bitfield(e){this._debug("bitfield"),ArrayBuffer.isView(e)||(e=e.buffer),this._message(5,[],e)}request(e,t,n,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,n),this.requests.push(new A(e,t,n,s)),this._timeout||this._resetTimeout(!0),void this._message(6,[e,t,n],null)):s(new Error("peer is choking"))}piece(e,t,n){this._debug("piece index=%d offset=%d",e,t),this._message(7,[e,t],n),this.uploaded+=n.length,this.uploadSpeed(n.length),this.emit("upload",n.length)}cancel(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(this._pull(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)}port(e){this._debug("port %d",e);const t=new Uint8Array(w);new DataView(t.buffer).setUint16(5,e),this._push(t)}suggest(e){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("suggest %d",e),this._message(13,[e],null)}haveAll(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-all"),this._push(v)}haveNone(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-none"),this._push(k)}reject(e,t,n){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("reject index=%d offset=%d length=%d",e,t,n),this._pull(this.peerRequests,e,t,n),this._message(16,[e,t,n],null)}allowedFast(e){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("allowed-fast %d",e),this.allowedFastSet.includes(e)||this.allowedFastSet.push(e),this._message(17,[e],null)}extended(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"!=typeof e)throw new Error(`Unrecognized extension: ${e}`);{const n=new Uint8Array([e]),i=ArrayBuffer.isView(t)?t:s.A.encode(t);this._message(20,[],(0,c.xW)([n,i]))}}async setEncrypt(e,t){let n,s,i,r;switch(this.type){case"tcpIncoming":n=await(0,c.tW)((0,c.fk)(this._utfToHex("keyB")+e+t)),i=await(0,c.tW)((0,c.fk)(this._utfToHex("keyA")+e+t)),s=[];for(const e of n.values())s.push(e);r=[];for(const e of i.values())r.push(e);this._encryptGenerator=new a(s),this._decryptGenerator=new a(r);break;case"tcpOutgoing":n=await(0,c.tW)((0,c.fk)(this._utfToHex("keyA")+e+t)),i=await(0,c.tW)((0,c.fk)(this._utfToHex("keyB")+e+t)),s=[];for(const e of n.values())s.push(e);r=[];for(const e of i.values())r.push(e);this._encryptGenerator=new a(s),this._decryptGenerator=new a(r);break;default:return!1}for(let e=0;e<1024;e++)this._encryptGenerator.randomByte(),this._decryptGenerator.randomByte();return this._setGenerators=!0,!0}_message(e,t,n){const s=n?n.length:0,i=new Uint8Array(5+4*t.length),r=new DataView(i.buffer);r.setUint32(0,i.length+s-4),i[4]=e;for(let e=0;e{if(i===this._pull(this.peerRequests,e,t,n))return s?(this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,s.message),void(this.hasFast&&this.reject(e,t,n))):void this.piece(e,t,r)},i=new A(e,t,n,s);this.peerRequests.push(i),this.emit("request",e,t,n,s)}_onPiece(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(this._pull(this.requests,e,t,n.length),null,n),this.downloaded+=n.length,this.downloadSpeed(n.length),this.emit("download",n.length),this.emit("piece",e,t,n)}_onCancel(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),this._pull(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)}_onPort(e){this._debug("got port %d",e),this.emit("port",e)}_onSuggest(e){if(!this.hasFast)return this._debug("Error: got suggest whereas fast extension is disabled"),void this.destroy();this._debug("got suggest %d",e),this.emit("suggest",e)}_onHaveAll(){if(!this.hasFast)return this._debug("Error: got have-all whereas fast extension is disabled"),void this.destroy();this._debug("got have-all"),this.peerPieces=new P,this.emit("have-all")}_onHaveNone(){if(!this.hasFast)return this._debug("Error: got have-none whereas fast extension is disabled"),void this.destroy();this._debug("got have-none"),this.emit("have-none")}_onReject(e,t,n){if(!this.hasFast)return this._debug("Error: got reject whereas fast extension is disabled"),void this.destroy();this._debug("got reject index=%d offset=%d length=%d",e,t,n),this._callback(this._pull(this.requests,e,t,n),new Error("request was rejected"),null),this.emit("reject",e,t,n)}_onAllowedFast(e){if(!this.hasFast)return this._debug("Error: got allowed-fast whereas fast extension is disabled"),void this.destroy();this._debug("got allowed-fast %d",e),this.peerAllowedFastSet.includes(e)||this.peerAllowedFastSet.push(e),this.peerAllowedFastSet.length>100&&this.peerAllowedFastSet.shift(),this.emit("allowed-fast",e)}_onExtended(e,t){if(0===e){let e;try{e=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,c.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.slice(this._parserSize)]:[],this._parser(e.slice(0,this._parserSize))}t(null)}_callback(e,t,n){e&&(this._resetTimeout(!this.peerChoking&&!this._finished),e.callback(t,n))}_resetTimeout(e){if(!e||!this._timeoutMs||!this.requests.length)return clearTimeout(this._timeout),this._timeout=null,void(this._timeoutExpiresAt=null);const t=Date.now()+this._timeoutMs;if(this._timeout){if(t-this._timeoutExpiresAt<.05*this._timeoutMs)return;clearTimeout(this._timeout)}this._timeoutExpiresAt=t,this._timeout=setTimeout((()=>this._onTimeout()),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref()}_parse(e,t){this._parserSize=e,this._parser=t}_parseUntil(e,t){this._cryptoSyncPattern=e,this._waitMaxBytes=t}_onMessageLength(e){const t=new DataView(e.buffer,e.byteOffset,e.byteLength).getUint32(0);t>0?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(e){this._parse(4,this._onMessageLength);const t=new DataView(e.buffer,e.byteOffset,e.byteLength);switch(e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(t.getUint32(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(t.getUint32(1),t.getUint32(5),t.getUint32(9));case 7:return this._onPiece(t.getUint32(1),t.getUint32(5),e.slice(9));case 8:return this._onCancel(t.getUint32(1),t.getUint32(5),t.getUint32(9));case 9:return this._onPort(t.getUint16(1));case 13:return this._onSuggest(t.getUint32(1));case 14:return this._onHaveAll();case 15:return this._onHaveNone();case 16:return this._onReject(t.getUint32(1),t.getUint32(5),t.getUint32(9));case 17:return this._onAllowedFast(t.getUint32(1));case 20:return this._onExtended(e[1],e.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",e)}}_determineHandshakeType(){this._parse(1,(e=>{const t=e[0];19===t?this._parse(t+48,this._onHandshakeBuffer):this._parsePe1(e)}))}_parsePe1(e){this._parse(95,(t=>{this._onPe1((0,c.xW)([e,t])),this._parsePe3()}))}_parsePe2(){this._parse(96,(e=>{for(this._onPe2(e);!this._setGenerators;);this._parsePe4()}))}async _parsePe3(){const e=await(0,c.tW)((0,c.fk)(this._utfToHex("req1")+this._sharedSecret));this._parseUntil(e,512),this._parse(20,(e=>{for(this._onPe3(e);!this._setGenerators;);this._parsePe3Encrypted()}))}_parsePe3Encrypted(){this._parse(14,(e=>{const t=this._decryptHandshake(e.slice(0,8)),n=this._decryptHandshake(e.slice(8,12)),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 i=new DataView(this._decryptHandshake(s).buffer).getUint16(0);this._parse(i,(s=>{s=this._decryptHandshake(s),this._onPe3Encrypted(t,n,e,s);const r=i?s[0]:null,o=i?s.slice(1,20):null;19===r&&"BitTorrent protocol"===(0,c.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)),n=new DataView(this._decryptHandshake(e.slice(4,6)).buffer).getUint16(0);this._parse(n,(e=>{this._decryptHandshake(e),this._onPe4(t),this._parseHandshake(null)}))}))}_parseHandshake(){this._parse(1,(e=>{const t=e[0];if(19!==t)return this._debug("Error: wire not speaking BitTorrent protocol (%s)",t.toString()),void this.end();this._parse(t+48,this._onHandshakeBuffer)}))}_onHandshakeBuffer(e){const t=e.slice(0,19);if("BitTorrent protocol"!==(0,c.dU)(t))return this._debug("Error: wire not speaking BitTorrent protocol (%s)",(0,c.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 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%o",e),this.channelName=e.initiator?e.channelName||(0,w.V5)((0,w.po)(20)):null,this.initiator=e.initiator||!1,this.channelConfig=e.channelConfig||ee.channelConfig,this.channelNegotiated=this.channelConfig.negotiated,this.config=Object.assign({},ee.config,e.config),this.offerOptions=e.offerOptions||{},this.answerOptions=e.answerOptions||{},this.sdpTransform=e.sdpTransform||(e=>e),this.trickle=void 0===e.trickle||e.trickle,this.allowHalfTrickle=void 0!==e.allowHalfTrickle&&e.allowHalfTrickle,this.iceCompleteTimeout=e.iceCompleteTimeout||5e3,this._destroying=!1,this._connected=!1,this.remoteAddress=void 0,this.remoteFamily=void 0,this.remotePort=void 0,this.localAddress=void 0,this.localFamily=void 0,this.localPort=void 0,!z)throw"undefined"==typeof window?J(new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"),"ERR_WEBRTC_SUPPORT"):J(new Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");this._pcReady=!1,this._channelReady=!1,this._iceComplete=!1,this._iceCompleteTimer=null,this._channel=null,this._pendingCandidates=[],this._isNegotiating=!1,this._firstNegotiation=!0,this._batchedNegotiation=!1,this._queuedNegotiation=!1,this._sendersAwaitingStable=[],this._closingInterval=null,this._remoteTracks=[],this._remoteStreams=[],this._chunk=null,this._cb=null,this._interval=null;try{this._pc=new z(this.config)}catch(e){return void this.__destroy(J(e,"ERR_PC_CONSTRUCTOR"))}this._isReactNativeWebrtc="number"==typeof this._pc._peerConnectionId,this._pc.oniceconnectionstatechange=()=>{this._onIceStateChange()},this._pc.onicegatheringstatechange=()=>{this._onIceStateChange()},this._pc.onconnectionstatechange=()=>{this._onConnectionStateChange()},this._pc.onsignalingstatechange=()=>{this._onSignalingStateChange()},this._pc.onicecandidate=e=>{this._onIceCandidate(e)},"object"==typeof this._pc.peerIdentity&&this._pc.peerIdentity.catch((e=>{this.__destroy(J(e,"ERR_PC_PEER_IDENTITY"))})),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=e=>{this._setupData(e)},this._debug("initial negotiation"),this._needsNegotiation(),this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}get bufferSize(){return this._channel&&this._channel.bufferedAmount||0}get connected(){return this._connected&&"open"===this._channel.readyState}address(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}signal(e){if(!this._destroying){if(this.destroyed)throw J(new Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if("string"==typeof e)try{e=JSON.parse(e)}catch(t){e={}}this._debug("signal()"),e.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),e.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(e.transceiverRequest.kind,e.transceiverRequest.init)),e.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(e.candidate):this._pendingCandidates.push(e.candidate)),e.sdp&&this._pc.setRemoteDescription(new G(e)).then((()=>{this.destroyed||(this._pendingCandidates.forEach((e=>{this._addIceCandidate(e)})),this._pendingCandidates=[],"offer"===this._pc.remoteDescription.type&&this._createAnswer())})).catch((e=>{this.__destroy(J(e,"ERR_SET_REMOTE_DESCRIPTION"))})),e.sdp||e.candidate||e.renegotiate||e.transceiverRequest||this.__destroy(J(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(e){const t=new K(e);this._pc.addIceCandidate(t).catch((e=>{var n;!t.address||t.address.endsWith(".local")?(n="Ignoring unsupported ICE 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queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}_final(e){this._readableState.ended||this.push(null),e(null)}__destroy(e){this.end(),this._destroy((()=>{}),e)}_destroy(e,t){this.destroyed||this._destroying||(this._destroying=!0,this._debug("destroying (error: %s)",t&&(t.message||t)),setTimeout((()=>{if(this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch(e){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(e){}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,t&&this.emit("error",t),e()}),0))}_setupData(e){if(!e.channel)return this.__destroy(J(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=e.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=Q),this.channelName=this._channel.label,this._channel.onmessage=e=>{this._onChannelMessage(e)},this._channel.onbufferedamountlow=()=>{this._onChannelBufferedAmountLow()},this._channel.onopen=()=>{this._onChannelOpen()},this._channel.onclose=()=>{this._onChannelClose()},this._channel.onerror=e=>{const t=e.error instanceof Error?e.error:new Error(`Datachannel error: ${e.message} ${e.filename}:${e.lineno}:${e.colno}`);this.__destroy(J(t,"ERR_DATA_CHANNEL"))};let t=!1;this._closingInterval=setInterval((()=>{this._channel&&"closing"===this._channel.readyState?(t&&this._onChannelClose(),t=!0):t=!1}),5e3)}_write(e,t){if(this.destroyed)return t(J(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(e)}catch(e){return this.__destroy(J(e,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>Q?(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=Z(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:t.type,sdp:t.sdp})};this._pc.setLocalDescription(e).then((()=>{this._debug("createOffer success"),this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))})).catch((e=>{this.__destroy(J(e,"ERR_SET_LOCAL_DESCRIPTION"))}))})).catch((e=>{this.__destroy(J(e,"ERR_CREATE_OFFER"))}))}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then((e=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(e.sdp=Z(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:t.type,sdp:t.sdp}),this.initiator||this._requestMissingTransceivers?.()};this._pc.setLocalDescription(e).then((()=>{this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))})).catch((e=>{this.__destroy(J(e,"ERR_SET_LOCAL_DESCRIPTION"))}))})).catch((e=>{this.__destroy(J(e,"ERR_CREATE_ANSWER"))}))}_onConnectionStateChange(){this.destroyed||this._destroying||"failed"===this._pc.connectionState&&this.__destroy(J(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const e=this._pc.iceConnectionState,t=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",e,t),this.emit("iceStateChange",e,t),"connected"!==e&&"completed"!==e||(this._pcReady=!0,this._maybeReady()),"failed"===e&&this.__destroy(J(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===e&&this.__destroy(J(new Error("Ice connection closed."),"ERR_ICE_CONNECTION_CLOSED"))}getStats(e){const t=e=>("[object Array]"===Object.prototype.toString.call(e.values)&&e.values.forEach((t=>{Object.assign(e,t)})),e);0===this._pc.getStats.length||this._isReactNativeWebrtc?this._pc.getStats().then((n=>{const s=[];n.forEach((e=>{s.push(t(e))})),e(null,s)}),(t=>e(t))):this._pc.getStats.length>0?this._pc.getStats((n=>{if(this.destroyed)return;const s=[];n.result().forEach((e=>{const n={};e.names().forEach((t=>{n[t]=e.stat(t)})),n.id=e.id,n.type=e.type,n.timestamp=e.timestamp,s.push(t(n))})),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,n)=>{if(this.destroyed||this._destroying)return;t&&(n=[]);const s={},i={},r={};let o=!1;n.forEach((e=>{"remotecandidate"!==e.type&&"remote-candidate"!==e.type||(s[e.id]=e),"localcandidate"!==e.type&&"local-candidate"!==e.type||(i[e.id]=e),"candidatepair"!==e.type&&"candidate-pair"!==e.type||(r[e.id]=e)}));const a=e=>{o=!0;let t=i[e.localCandidateId];t&&(t.ip||t.address)?(this.localAddress=t.ip||t.address,this.localPort=Number(t.port)):t&&t.ipAddress?(this.localAddress=t.ipAddress,this.localPort=Number(t.portNumber)):"string"==typeof e.googLocalAddress&&(t=e.googLocalAddress.split(":"),this.localAddress=t[0],this.localPort=Number(t[1])),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let n=s[e.remoteCandidateId];n&&(n.ip||n.address)?(this.remoteAddress=n.ip||n.address,this.remotePort=Number(n.port)):n&&n.ipAddress?(this.remoteAddress=n.ipAddress,this.remotePort=Number(n.portNumber)):"string"==typeof e.googRemoteAddress&&(n=e.googRemoteAddress.split(":"),this.remoteAddress=n[0],this.remotePort=Number(n[1])),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4"),this._debug("connect local: %s:%s remote: %s:%s",this.localAddress,this.localPort,this.remoteAddress,this.remotePort)};if(n.forEach((e=>{"transport"===e.type&&e.selectedCandidatePairId&&a(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(i).length){if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(t){return this.__destroy(J(t,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug('sent chunk from "write before connect"');const e=this._cb;this._cb=null,e(null)}"number"!=typeof this._channel.bufferedAmountLowThreshold&&(this._interval=setInterval((()=>this._onInterval()),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}else setTimeout(e,100)}))};e()}_onInterval(){!this._cb||!this._channel||this._channel.bufferedAmount>Q||this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||("stable"===this._pc.signalingState&&(this._isNegotiating=!1,this._debug("flushing sender queue",this._sendersAwaitingStable),this._sendersAwaitingStable.forEach((e=>{this._pc.removeTrack(e),this._queuedNegotiation=!0})),this._sendersAwaitingStable=[],this._queuedNegotiation?(this._debug("flushing negotiation queue"),this._queuedNegotiation=!1,this._needsNegotiation()):(this._debug("negotiated"),this.emit("negotiated"))),this._debug("signalingStateChange %s",this._pc.signalingState),this.emit("signalingStateChange",this._pc.signalingState))}_onIceCandidate(e){this.destroyed||(e.candidate&&this.trickle?this.emit("signal",{type:"candidate",candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}}):e.candidate||this._iceComplete||(this._iceComplete=!0,this.emit("_iceComplete")),e.candidate&&this._startIceCompleteTimeout())}_onChannelMessage(e){if(this.destroyed)return;let t=e.data;t instanceof ArrayBuffer?t=new Uint8Array(t):!1===this.__objectMode&&(t=(0,w.L0)(t)),this.push(t)}_onChannelBufferedAmountLow(){if(this.destroyed||!this._cb)return;this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);const e=this._cb;this._cb=null,e(null)}_onChannelOpen(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())}_onChannelClose(){this.destroyed||(this._debug("on channel close"),this.__destroy())}_debug(){const e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],X.apply(null,e)}}ee.WEBRTC_SUPPORT=!!z,ee.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},ee.channelConfig={};const te=ee;var ne=i(1035),se=i(7541),ie=i(3278),re=i(8271),oe=i(6686),ae=i(7828),he=i(6889);const ce=/^\[?([^\]]+)]?:(\d+)$/;let le=new Map;function de(e){if(1e5===le.size&&le.clear(),!le.has(e)){const t=ce.exec(e);if(!t)throw new Error(`invalid addr: ${e}`);le.set(e,[t[1],Number(t[2])])}return le.get(e)}var ue=i(3033),fe=i(4497);async function*pe(e,t={}){if(e?.[Symbol.asyncIterator])return void(yield*e[Symbol.asyncIterator](t.offset));if(!e?.get)throw new Error("First argument must be an abstract-chunk-store compliant store");const n=t.chunkLength||e.chunkLength;if(!n)throw new Error("missing required `chunkLength` property");let s=t.length||e.length;if(!Number.isFinite(s))throw new Error("missing required `length` property");const i=t.offset||0,r=(t,n,s)=>new Promise(((i,r)=>{e.get(t,{offset:s,length:n},((e,t)=>{e&&r(e),i(t)}))}));let o=Math.floor(i/n);const a=i%n;if(i){const e=Math.min(s,n-a);s-=e,yield r(o++,e,a)}for(let e=s;e>0;++o,e-=n)yield r(o,Math.min(e,n))}async function ge(e,t,n={}){if(!e?.put)throw new Error("First argument must be an abstract-chunk-store compliant store");const s=n.chunkLength||e.chunkLength;if(!s)throw new Error("missing required `chunkLength` property");const i=n.storeMaxOutstandingPuts||16;let r=0,o=0,a=()=>{},h=!1;for await(const c of u(t,s,{zeroPadding:n.zeroPadding||!1}))await new Promise((t=>{r++<=i&&t(),e.put(o++,c,(e=>{if(e)throw e;--r,t(),h&&0===r&&a()}))}));0!==r&&(h=new Promise((e=>{a=e})),await h)}var me=i(4018),_e=i(3970),ye=i(3519),be=i(1551);const we={DEFAULT_ANNOUNCE_PEERS:50,MAX_ANNOUNCE_PEERS:82,parseUrl:e=>{const t=new URL(e.replace(/^udp:/,"http:"));return e.match(/^udp:/)&&Object.defineProperties(t,{href:{value:t.href.replace(/^http/,"udp")},protocol:{value:t.protocol.replace(/^http/,"udp")},origin:{value:t.origin.replace(/^http/,"udp")}}),t},...i.t(be,2)};var ve=i(826),ke=i(61),xe=i(2701);const Se=L("simple-websocket"),Ee="function"!=typeof xe?WebSocket:xe;class Ce extends Y.Duplex{constructor(e={}){if("string"==typeof e&&(e={url:e}),super(e=Object.assign({allowHalfOpen:!1},e)),this.__objectMode=!!e.objectMode,null!=e.objectMode&&delete e.objectMode,null==e.url&&null==e.socket)throw new Error("Missing required `url` or `socket` option");if(null!=e.url&&null!=e.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=(0,w.V5)((0,w.po)(4)).slice(0,7),this._debug("new websocket: %o",e),this.connected=!1,this._chunk=null,this._cb=null,this._interval=null,e.socket)this.url=e.socket.url,this._ws=e.socket,this.connected=e.socket.readyState===Ee.OPEN;else{this.url=e.url;try{this._ws="function"==typeof xe?new Ee(e.url,{...e,encoding:void 0}):new Ee(e.url)}catch(e){return void b((()=>this.destroy(e)))}}this._ws.binaryType="arraybuffer",e.socket&&this.connected?b((()=>this._handleOpen())):this._ws.onopen=()=>this._handleOpen(),this._ws.onmessage=e=>this._handleMessage(e),this._ws.onclose=()=>this._handleClose(),this._ws.onerror=e=>this._handleError(e),this._handleFinishBound=()=>this._handleFinish(),this.once("finish",this._handleFinishBound)}send(e){this._ws.send(e)}_final(e){this._readableState.ended||this.push(null),e(null)}_destroy(e){if(!this.destroyed){if(this._writableState.ended||this.end(),this.connected=!1,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._handleFinishBound&&this.removeListener("finish",this._handleFinishBound),this._handleFinishBound=null,this._ws){const e=this._ws,t=()=>{e.onclose=null};if(e.readyState===Ee.CLOSED)t();else try{e.onclose=t,e.close()}catch(e){t()}e.onopen=null,e.onmessage=null,e.onerror=()=>{}}this._ws=null,e()}}_write(e,t){if(this.destroyed)return t(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(e)}catch(e){return this.destroy(e)}"function"!=typeof xe&&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 xe&&(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],Se.apply(null,e)}}Ce.WEBSOCKET_SUPPORT=!!Ee;const Ae=class extends o{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())}},Pe=L("bittorrent-tracker:websocket-tracker"),Te={};class Le extends Ae{constructor(e,t){super(e,t),Pe("new websocket tracker %s",t),this.peers={},this.socket=null,this.reconnecting=!1,this.retries=0,this.reconnectTimer=null,this.expectingResponse=!1,this._openSocket()}announce(e){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",(()=>{this.announce(e)}));const t=Object.assign({},e,{action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary});if(this._trackerId&&(t.trackerid=this._trackerId),"stopped"===e.event||"completed"===e.event)this._send(t);else{const n=Math.min(e.numwant,5);this._generateOffers(n,(e=>{t.numwant=n,t.offers=e,this._send(t)}))}}scrape(e){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",(()=>{this.scrape(e)}));const t={action:"scrape",info_hash:Array.isArray(e.infoHash)&&e.infoHash.length>0?e.infoHash.map((e=>(0,w.Ht)(e))):e.infoHash&&(0,w.Ht)(e.infoHash)||this.client._infoHashBinary};this._send(t)}destroy(e=Ie){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,Te[this.announceUrl]&&(Te[this.announceUrl].consumers-=1),Te[this.announceUrl].consumers>0)return e();let t,n=Te[this.announceUrl];if(delete Te[this.announceUrl],n.on("error",Ie),n.once("close",e),!this.expectingResponse)return s();function s(){t&&(clearTimeout(t),t=null),n.removeListener("data",s),n.destroy(),n=null}t=setTimeout(s,we.DESTROY_TIMEOUT),n.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=Te[this.announceUrl],this.socket)Te[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=Te[this.announceUrl]=new Ce({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 Pe("ignoring websocket data from %s for %s (looking for %s: reused socket)",this.announceUrl,(0,w.HB)(e.info_hash),this.client.infoHash);if(e.peer_id&&e.peer_id===this.client._peerIdBinary)return;Pe("received %s from %s for %s",JSON.stringify(e),this.announceUrl,this.client.infoHash);const t=e["failure reason"];if(t)return this.client.emit("warning",new Error(t));const n=e["warning message"];n&&this.client.emit("warning",new Error(n));const s=e.interval||e["min interval"];s&&this.setInterval(1e3*s);const i=e["tracker id"];if(i&&(this._trackerId=i),null!=e.complete){const t=Object.assign({},e,{announce:this.announceUrl,infoHash:(0,w.HB)(e.info_hash)});this.client.emit("update",t)}let r;if(e.offer&&e.peer_id&&(Pe("creating peer (from remote offer)"),r=this._createPeer(),r.id=(0,w.HB)(e.peer_id),r.once("signal",(t=>{const n={action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary,to_peer_id:e.peer_id,answer:t,offer_id:e.offer_id};this._trackerId&&(n.trackerid=this._trackerId),this._send(n)})),this.client.emit("peer",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]):Pe(`got unexpected answer: ${JSON.stringify(e.answer)}`)}}_onScrapeResponse(e){e=e.files||{};const t=Object.keys(e);0!==t.length?t.forEach((t=>{const n=Object.assign(e[t],{announce:this.announceUrl,infoHash:(0,w.HB)(t)});this.client.emit("scrape",n)})):this.client.emit("warning",new Error("invalid scrape response"))}_onSocketClose(){this.destroyed||(this.destroy(),this._startReconnectTimer())}_onSocketError(e){this.destroyed||(this.destroy(),this.client.emit("warning",e),this._startReconnectTimer())}_startReconnectTimer(){const e=Math.floor(3e5*Math.random())+Math.min(1e4*Math.pow(2,this.retries),36e5);this.reconnecting=!0,clearTimeout(this.reconnectTimer),this.reconnectTimer=setTimeout((()=>{this.retries++,this._openSocket()}),e),this.reconnectTimer.unref&&this.reconnectTimer.unref(),Pe("reconnecting socket in %s ms",e)}_send(e){if(this.destroyed)return;this.expectingResponse=!0;const t=JSON.stringify(e);Pe("send %s",t),this.socket.send(t)}_generateOffers(e,t){const n=this,s=[];Pe("generating %s offers",e);for(let t=0;t{s.push({offer:t,offer_id:(0,w.Ht)(e)}),r()})),t.trackerTimeout=setTimeout((()=>{Pe("tracker timeout: destroying peer"),t.trackerTimeout=null,delete n.peers[e],t.destroy()}),5e4),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function r(){s.length===e&&(Pe("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 n=new te(e);return n.once("error",s),n.once("connect",(function e(){n.removeListener("error",s),n.removeListener("connect",e)})),n;function s(e){t.client.emit("warning",new Error(`Connection error: ${e.message}`)),n.destroy()}}}function Ie(){}Le.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,Le._socketPool=Te;const Oe=Le;var Re=i(717);const Ne=L("bittorrent-tracker:client");class He extends o{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(!Re.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),Ne("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 n=!1!==this._wrtc&&(!!this._wrtc||te.WEBRTC_SUPPORT),s=e=>{b((()=>{this.emit("warning",e)}))};this._trackers=t.map((e=>{let t;try{t=we.parseUrl(e)}catch(t){return s(new Error(`Invalid tracker URL: ${e}`)),null}const i=t.port;if(i<0||i>65535)return s(new Error(`Invalid tracker port: ${e}`)),null;const r=t.protocol;return"http:"!==r&&"https:"!==r||"function"!=typeof ve?"udp:"===r&&"function"==typeof ke?new ke(this,e):"ws:"!==r&&"wss:"!==r||!n||"ws:"===r&&"undefined"!=typeof window&&"https:"===window.location.protocol?(s(new Error(`Unsupported tracker protocol: ${e}`)),null):new Oe(this,e):new ve(this,e)})).filter(Boolean)}start(e){(e=this._defaultAnnounceOpts(e)).event="started",Ne("send `start` %o",e),this._announce(e),this._trackers.forEach((e=>{e.setInterval()}))}stop(e){(e=this._defaultAnnounceOpts(e)).event="stopped",Ne("send `stop` %o",e),this._announce(e)}complete(e){e||(e={}),(e=this._defaultAnnounceOpts(e)).event="completed",Ne("send `complete` %o",e),this._announce(e)}update(e){(e=this._defaultAnnounceOpts(e)).event&&delete e.event,Ne("send `update` %o",e),this._announce(e)}_announce(e){this._trackers.forEach((t=>{t.announce(e)}))}scrape(e){Ne("send `scrape`"),e||(e={}),this._trackers.forEach((t=>{t.scrape(e)}))}setInterval(e){Ne("setInterval %d",e),this._trackers.forEach((t=>{t.setInterval(e)}))}destroy(e){if(this.destroyed)return;this.destroyed=!0,Ne("destroy");const t=this._trackers.map((e=>t=>{e.destroy(t)}));y(t,e),this._trackers=[],this._getAnnounceOpts=null}_defaultAnnounceOpts(e={}){return null==e.numwant&&(e.numwant=we.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),this._getAnnounceOpts&&(e=Object.assign({},e,this._getAnnounceOpts())),e}}He.scrape=(e,t)=>{if(t=ye(t),!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");const n=Object.assign({},e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:(0,w.L0)("01234567890123456789"),port:6881}),s=new He(n);s.once("error",t),s.once("warning",t);let i=Array.isArray(e.infoHash)?e.infoHash.length:1;const r={};return s.on("scrape",(e=>{if(i-=1,r[e.infoHash]=e,0===i){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 Ue=He;i(7936);var Me=i(2799),Be=i(717);const De=L("torrent-discovery");class je extends o.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(!Be.browser&&!e.port)throw new Error("Option `port` is required");this.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),this.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():e.infoHash.toString("hex"),this._port=e.port,this._userAgent=e.userAgent,this.destroyed=!1,this._announce=e.announce||[],this._intervalMs=e.intervalMs||9e5,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=e=>{this.emit("warning",e)},this._onError=e=>{this.emit("error",e)},this._onDHTPeer=(e,t)=>{t.toString("hex")===this.infoHash&&this.emit("peer",`${e.host}:${e.port}`,"dht")},this._onTrackerPeer=e=>{this.emit("peer",e,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")},this._onLSDPeer=(e,t)=>{this.emit("peer",e,"lsd")};const t=(e,t)=>{const n=new _e.Client(t);return n.on("warning",this._onWarning),n.on("error",this._onError),n.listen(e),this._internalDHT=!0,n};!1===e.tracker?this.tracker=null:e.tracker&&"object"==typeof e.tracker?(this._trackerOpts=Object.assign({},e.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),!1===e.dht||"function"!=typeof _e.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 Me?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)}))),y(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 Ue(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||(De("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,(e=>{this._dhtAnnouncing=!1,De("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 Me(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.on("peer",this._onLSDPeer),t.start(),t}}const Fe=je;const qe=/[<>:"/\\|?*\u0000-\u001F]/g;"undefined"!=typeof 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e.removeEntry(t,{recursive:!0});this.chunksDirPromise=await this._getChunksDirHandle()})();await Promise.all(e);for(const e of this.files)e.blob=this._createBlobReference(e.handle);await t}async destroy(e=We){this.close((async t=>{if(t)e(t);else{try{const e=await this.rootDirPromise;await e.removeEntry(this.name,{recursive:!0})}catch(t){return void e(t)}e(null)}}))}}var Ve=i(5570),ze=i(4862);const Ge=!!("undefined"!=typeof globalThis&&globalThis||"undefined"!=typeof self&&self||"undefined"!=typeof window&&window||"undefined"!=typeof globalThis&&globalThis).chrome?1/0:2130706432,Ke="undefined"!=typeof navigator&&navigator.storage?.getDirectory&&FileSystemFileHandle?.prototype?.createWritable,Ye=()=>{};class Je{constructor(e,t={}){if(this.chunkLength=Number(e),!this.chunkLength)throw new Error("First argument must be a chunk length");this.length=Number(t.length)||1/0,this.limit=t.limit||Ge,this.fallbackStore=null,this.dataStore=null,this.chunkCount=0,this.stores=[],this._init(t),this.dataStore&&(t.max>0&&(this.dataStore=new fe(this.dataStore,{max:t.max})),this.stores.push(this.dataStore)),this.stores.push(this.fallbackStore)}_init(e){if(e.onlyMem||this.limit=this.length)return void(this.fallbackStore=new t(this.chunkLength,e));this.chunkCount=Math.floor(Math.min(this.length,this.limit)/this.chunkLength);const n=this.chunkCount*this.chunkLength,s=this.length-n;this.dataStore=new t(this.chunkLength,{...e,length:n}),this.fallbackStore=new ze(this.chunkLength,{...e,length:s})}get(e,t,n){e>=this.chunkCount?this.fallbackStore.get(e-this.chunkCount,t,n):this.dataStore.get(e,t,n)}put(e,t,n){e>=this.chunkCount?this.fallbackStore.put(e-this.chunkCount,t,n):this.dataStore.put(e,t,n)}close(e=Ye){Promise.all(this.stores.map((e=>new Promise((t=>e.close(t)))))).then((t=>{const n=t.find((e=>e));e(n)}))}destroy(e=Ye){Promise.all(this.stores.map((e=>new Promise((t=>e.destroy(t)))))).then((t=>{const n=t.find((e=>e));e(n)}))}}var Xe=i(3714),Qe=i(1314);const Ze=L("lt_donthave"),et=()=>{class e extends o.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)&&(Ze("got donthave %d",t),this._wire.peerPieces.set(t,!1),this.emit("donthave",t),this._failRequests(t))}donthave(e){if(!this._peerSupports)return;Ze("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 n=0;n{class t extends o.EventEmitter{constructor(t){super(),this._wire=t,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new ue.A(0,{grow:1e3}),ArrayBuffer.isView(e)&&this.setMetadata(e)}onHandshake(e,t,n){this._infoHash=e}onExtendedHandshake(e){return e.m&&e.m.ut_metadata?e.metadata_size?"number"!=typeof e.metadata_size||1e7this._metadataSize&&(n=this._metadataSize);const s=this.metadata.slice(t,n);this._data(e,s,this._metadataSize)}_onData(e,t,n){t.length>ot||!this._fetching||(this.metadata.set(t,e*ot),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;e0?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return t.prototype.name="ut_metadata",t};var ht=i(8878),ct=i(1133);const lt=L("webtorrent:file-iterator");class dt extends o{constructor(e,{start:t,end:n}){super(),this._torrent=e._torrent,this._pieceLength=e._torrent.pieceLength,this._startPiece=(t+e.offset)/this._pieceLength|0,this._endPiece=(n+e.offset)/this._pieceLength|0,this._piece=this._startPiece,this._offset=t+e.offset-this._startPiece*this._pieceLength,this._missing=n-t+1,this._criticalLength=Math.min(1048576/this._pieceLength|0,2),this._torrent._select(this._startPiece,this._endPiece,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 n=(s,i)=>{if(!this._torrent.bitfield.get(s)){const e=t=>{(t===s||this.destroyed)&&(this._torrent.removeListener("verified",e),n(s,i))};return this._torrent.on("verified",e),this._torrent.critical(s,s+this._criticalLength)}if(this._torrent.destroyed)return t(new Error("Torrent removed"));this._torrent.store.get(s,i,((n,i)=>this.destroyed?e({done:!0}):(lt("read %s and yielding (length %s) (err %s)",s,i?.length,n?.message),n?t(n):void e({value:i,done:!1}))))},s=Math.min(this._missing,this._pieceLength-this._offset);n(this._piece++,{length:s,offset:this._offset}),this._missing-=s,this._offset=0}))}async return(){return this.destroy(),{done:!0}}async throw(e){throw e}destroy(e=(()=>{}),t){this.destroyed||(this.destroyed=!0,this._torrent.destroyed||this._torrent._deselect(this._startPiece,this._endPiece,!0),this.emit("return"),e(t))}}class ut extends o{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=ct.getType(this.name)||"application/octet-stream",this.offset=t.offset,this.done=!1;const n=t.offset,s=n+t.length-1;this._startPiece=n/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:n,lastPieceLength:s}=this._torrent,{_startPiece:i,_endPiece:r}=this,o=i=>{const r=i===e.length-1?s:n;return t.get(i)?r:r-e[i].missing};let a=0;for(let t=i;t<=r;t+=1){const h=o(t);if(a+=h,t===i){const e=this.offset%n;a-=Math.min(e,h)}if(t===r){const t=(r===e.length-1?s:n)-(this.offset+this.length)%n;a-=Math.min(t,h)}}return a}get progress(){return this.length?this.downloaded/this.length:0}select(e){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,e)}deselect(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece)}[Symbol.asyncIterator](e={}){if(0===this.length)return async function*(){}();const{start:t=0}=e??{},n=e?.end&&e.end{this._iterators.delete(s)})),s}createReadStream(e){const t=this[Symbol.asyncIterator](e),n=Y.Readable.from(t);return this._fileStreams.add(n),n.once("close",(()=>{this._fileStreams.delete(n)})),n}async arrayBuffer(e){const t=new Uint8Array(this.length);let n=0;for await(const s of this[Symbol.asyncIterator](e))t.set(s,n),n+=s.length;return t.buffer}async blob(e){return new Blob([await this.arrayBuffer(e)],{type:this.type})}stream(e){let t;return new ReadableStream({start:()=>{t=this[Symbol.asyncIterator](e)},async pull(e){const{value:n,done:s}=await t.next();s?e.close():e.enqueue(n)},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 ft=i(5658);class pt{constructor(e){this._torrent=e,this._numPieces=e.pieces.length,this._pieces=new Array(this._numPieces),this._onWire=e=>{this.recalculate(),this._initWire(e)},this._onWireHave=e=>{this._pieces[e]+=1},this._onWireBitfield=()=>{this.recalculate()},this._torrent.wires.forEach((e=>{this._initWire(e)})),this._torrent.on("wire",this._onWire),this.recalculate()}getRarestPiece(e){let t=[],n=1/0;for(let s=0;s{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{const s=await(0,w.tW)(e,"hex");if(this.destroyed)return;this.handshake(t,s);const i=this._torrent.pieces.length,r=new ue.A(i);for(let e=0;e<=i;e++)r.set(e,!0);this.bitfield(r)})),this.once("interested",(()=>{yt("interested"),this.unchoke()})),this.on("uninterested",(()=>{yt("uninterested")})),this.on("choke",(()=>{yt("choke")})),this.on("unchoke",(()=>{yt("unchoke")})),this.on("bitfield",(()=>{yt("bitfield")})),this.lt_donthave.on("donthave",(()=>{yt("donthave")})),this.on("request",((e,t,n,s)=>{yt("request pieceIndex=%d offset=%d length=%d",e,t,n),this.httpRequest(e,t,n,((t,n)=>{if(t){this.lt_donthave.donthave(e);const t=setTimeout((()=>{this.destroyed||this.have(e)}),1e4);t.unref&&t.unref()}s(t,n)}))}))}async httpRequest(e,t,n,s){s=ye(s);const i=e*this._torrent.pieceLength+t,r=i+n-1,o=this._torrent.files;let a,h;if(o.length<=1)a=[{url:this.url,start:i,end:r}];else{const e=o.filter((e=>e.offset<=r&&e.offset+e.length>i));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-i,0),start:Math.max(i-e.offset,0),end:Math.min(t,r-e.offset)}}))}try{h=await Promise.all(a.map((async({start:s,end:i,url:r})=>{yt("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",r,e,t,n,s,i);const o=await N(r,{cache:"no-store",method:"GET",headers:{"Cache-Control":"no-store","user-agent":`WebTorrent/${_t} (https://webtorrent.io)`,range:`bytes=${s}-${i}`},signal:AbortSignal.timeout(6e4)});if(!o.ok)throw new Error(`Unexpected HTTP status code ${o.status}`);const a=new Uint8Array(await o.arrayBuffer());return yt("Got data of length %d",a.length),a})))}catch(e){return s(e)}s(null,(0,w.xW)(h))}destroy(){super.destroy(),this._torrent=null}}class wt{_items=[];remove(e){for(let t=0;t=0&&0!==e.from&&s.push(i);const r={...n,from:e.to+1};r.to-r.from>=0&&s.push(r),this._items.splice(t,1,...s),t=t-1+s.length}else St(e,n)&&(this._items.splice(t,1),t--)}}insert(e){if(e.from>e.to)throw new Error("Invalid interval");if(!e.isStreamSelection){const{notify:t}=e,n=[];for(const t of this._items)t.notify&&Et(e,t)&&n.push(t.notify);n.length>0&&(e.notify=()=>{n.forEach((e=>e())),t?.()}),this.remove(e)}this._items.push(e)}sort(e=((e,t)=>e.from-t.from)){this._items.sort(e)}get length(){return this._items.length}get(e){return this._items[e]}swap(e,t){const n=this._items[e];this._items[e]=this._items[t],this._items[t]=n}clear(){this._items.length=0}*[Symbol.iterator](){for(let e=0;e{this._items.splice(e,1),e--},yield t,delete t.remove}}}function vt(e,t){return e.from<=t.to&&e.from>t.from&&e.to>t.to}function kt(e,t){return e.to>=t.from&&e.to=t.from&&e.to<=t.to&&s=t.to}const Et=(e,t)=>()=>vt(e,t)||kt(e,t)||xt(e,t)||St(e,t);var Ct=i(717);const At=L("webtorrent:torrent"),Pt=5e3,Tt=3*st.BLOCK_LENGTH,Lt=Ct.browser?me().length:2,It=[1e3,5e3,15e3],Ot=`WebTorrent/${_t} (https://webtorrent.io)`;let Rt;try{Rt=c(oe.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){Rt=c("function"==typeof he.tmpdir?he.tmpdir():"/","webtorrent")}const Nt="undefined"!=typeof window&&"function"==typeof window.requestIdleCallback&&window.requestIdleCallback;class Ht extends o{constructor(e,t,n){super(),this._debugId="unknown infohash",this.client=t,this.announce=n.announce,this.urlList=n.urlList,this.path=n.path||Rt,this.addUID=n.addUID||!1,this.rootDir=n.rootDir||null,this.skipVerify=!!n.skipVerify,this._store=n.store||Je,this._preloadedStore=n.preloadedStore||null,this._storeCacheSlots=void 0!==n.storeCacheSlots?n.storeCacheSlots:20,this._destroyStoreOnDestroy=n.destroyStoreOnDestroy||!1,this.store=null,this.storeOpts=n.storeOpts,this.alwaysChokeSeeders=n.alwaysChokeSeeders??!0,this._getAnnounceOpts=n.getAnnounceOpts,"boolean"==typeof n.private&&(this.private=n.private),this.strategy=n.strategy||"sequential",this.maxWebConns=n.maxWebConns||4,this._rechokeNumSlots=!1===n.uploads||0===n.uploads?0:+n.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this._noPeersIntervalId=null,this._noPeersIntervalTime=n.noPeersIntervalTime?1e3*n.noPeersIntervalTime:3e4,this._startAsDeselected=n.deselect||!1,this.ready=!1,this.destroyed=!1,this.paused=n.paused||!1,this.done=!1,this.metadata=null,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=new wt,this._critical=[],this.wires=[],this._queue=[],this._peers={},this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=ne(),this._uploadSpeed=ne(),this._servers=[],this._xsRequests=[],this._fileModtimes=n.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}get timeRemaining(){return this.done?0:0===this.downloadSpeed?1/0:(this.length-this.downloaded)/this.downloadSpeed*1e3}get downloaded(){if(!this.bitfield)return 0;let e=0;for(let t=0,n=this.pieces.length;t{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=$(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),d.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,ft.default.SOURCE_MANUAL))),this.discovery=new Fe({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:e,port:this.client.torrentPort,userAgent:Ot,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("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={[ft.default.SOURCE_TRACKER]:{enabled:!!this.client.tracker,numPeers:0},[ft.default.SOURCE_DHT]:{enabled:!!this.client.dht,numPeers:0},[ft.default.SOURCE_LSD]:{enabled:!!this.client.lsd,numPeers:0},[ft.default.SOURCE_UT_PEX]:{enabled:this.client.utPex&&"function"==typeof ht,numPeers:0}};for(const t of Object.values(this._peers)){const n=e[t.source];void 0!==n&&n.numPeers++}for(const t of Object.keys(e)){const n=e[t];n.enabled&&0===n.numPeers&&this.emit("noPeers",t)}}),this._noPeersIntervalTime),this._noPeersIntervalId.unref&&this._noPeersIntervalId.unref()}_getMetadataFromServer(){const e=this,t=Array.isArray(this.xs)?this.xs:[this.xs];e._xsRequestsController=new AbortController;const n=e._xsRequestsController.signal,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 i={method:"GET",headers:{"user-agent":Ot},signal:n};let r,o,a;try{r=await N(t,i)}catch(n){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 W(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)}));y(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 W(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 pt(this),this.files=this.files.map((e=>new ut(this,e)));let n=this._preloadedStore;if(n||(n=new this._store(this.pieceLength,{...this.storeOpts,torrent:this,path:this.path,files:this.files,length:this.length,name:this.name+" - "+this.infoHash.slice(0,8),addUID:this.addUID,rootDir:this.rootDir,max:this._storeCacheSlots})),this._storeCacheSlots>0&&!(n instanceof ze||n instanceof Je)&&(n=new fe(n,{max:this._storeCacheSlots})),this.store=new Xe(n),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-1,0),this._hashes=this.pieces,this.pieces=this.pieces.map(((e,t)=>{const n=t===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new st(n)})),this._reservations=this.pieces.map((()=>[])),this.bitfield=new ue.A(this.pieces.length),this.emit("metadata"),!this.destroyed)if(this.skipVerify)this._markAllVerified(),this._onStore();else{const e=e=>{if(e)return this._destroy(e);this._debug("done verifying"),this._onStore()};this._debug("verifying existing torrent data"),this._fileModtimes&&this._store===Je?this.getFileModtimes(((t,n)=>{if(t)return this._destroy(t);this.files.map(((e,t)=>n[t]===this._fileModtimes[t])).every((e=>e))?(this._markAllVerified(),this._onStore()):this._verifyPieces(e)})):this._verifyPieces(e)}}getFileModtimes(e){const t=[];tt(this.files.map(((e,n)=>s=>{const i=this.addUID?c(this.name+" - "+this.infoHash.slice(0,8)):c(this.path,e.path);oe.stat(i,((e,i)=>{if(e&&"ENOENT"!==e.code)return s(e);t[n]=i&&i.mtime.getTime(),s(null)}))})),Lt,(n=>{this._debug("done getting file modtimes"),e(n,t)}))}_verifyPieces(e){tt(this.pieces.map(((e,t)=>e=>{if(this.destroyed)return e(new Error("torrent is destroyed"));const n={};t===this.pieces.length-1&&(n.length=this.lastPieceLength),this.store.get(t,n,(async(n,s)=>{if(this.destroyed)return e(new Error("torrent is destroyed"));if(n)return b((()=>e(null)));const i=await(0,w.tW)(s,"hex");if(this.destroyed)return e(new Error("torrent is destroyed"));i===this._hashes[t]?(this._debug("piece verified %s",t),this._markVerified(t)):(this._markUnverified(t),this._debug("piece invalid %s",t)),e(null)}))})),Lt,e)}rescanFiles(e){if(this.destroyed)throw new Error("torrent is destroyed");e||(e=Mt),this._verifyPieces((t=>{if(t)return this._destroy(t),e(t);this._checkDone(),e(null)}))}_markAllVerified(){for(let e=0;e{t.done&&t.includes(e)&&(t.done=!1)}))}_hasAllPieces(){for(let e=0;ee))return!0;return!1}_onStore(){this.destroyed||(this._debug("on store"),this._startDiscovery(),this.ready=!0,this.emit("ready"),this._checkDone(),this._updateSelections(),this.wires.forEach((e=>{e.ut_metadata&&e.ut_metadata.setMetadata(this.metadata),this._onWireWithMetadata(e)})))}destroy(e,t){if("function"==typeof e)return this.destroy(null,e);this._destroy(null,e,t)}_destroy(e,t,n){if("function"==typeof t)return this._destroy(e,null,t);if(this.destroyed)return;this.destroyed=!0,this._debug("destroy"),this.client._remove(this),this._selections.clear(),clearInterval(this._rechokeIntervalId),clearInterval(this._noPeersIntervalId),this._xsRequestsController?.abort(),this._rarityMap&&this._rarityMap.destroy();for(const e in this._peers)this.removePeer(e);this.files.forEach((e=>{e instanceof ut&&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)}))}y(s,n),e&&(0===this.listenerCount("error")?this.client.emit("error",e):this.emit("error",e)),this.emit("close"),this.client=null,this.files=[],this.discovery=null,this.store=null,this._rarityMap=null,this._peers=null,this._servers=null,this._xsRequests=null}addPeer(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");let n;if(this.client.blocked){if("string"==typeof e){let t;try{t=de(e)}catch(t){return this._debug("ignoring peer: invalid %s",e),this.emit("invalidPeer",e),!1}n=t[0]}else"string"==typeof e.remoteAddress&&(n=e.remoteAddress);if(n&&this.client.blocked.contains(n))return this._debug("ignoring peer: blocked %s",e),"string"!=typeof e&&e.destroy(),this.emit("blockedPeer",e),!1}const s=this.client.utp&&this._isIPv4(n)?"utp":"tcp",i=!!this._addPeer(e,s,t);return i?this.emit("peer",e):this.emit("invalidPeer",e),i}_addPeer(e,t,n){if(this.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!this._validAddr(e))return this._debug("ignoring peer: invalid %s",e),null;const s=e&&e.id||e;if(this._peers[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 i;return this._debug("add peer %s",s),i="string"==typeof e?"utp"===t?ft.default.createUTPOutgoingPeer(e,this,this.client.throttleGroups):ft.default.createTCPOutgoingPeer(e,this,this.client.throttleGroups):ft.default.createWebRTCPeer(e,this,this.client.throttleGroups),this._registerPeer(i),"string"==typeof e&&(this._queue.push(i),this._drain()),i}addWebSeed(e){if(this.destroyed)throw new Error("torrent is destroyed");let t,n;if("string"==typeof e){if(t=e,!/^https?:\/\/.+/.test(t))return this.emit("warning",new Error(`ignoring invalid web seed: ${t}`)),void this.emit("invalidPeer",t);if(this._peers[t])return this.emit("warning",new Error(`ignoring duplicate web seed: ${t}`)),void this.emit("invalidPeer",t);n=new bt(t,this)}else{if(!e||"string"!=typeof e.connId)return void this.emit("warning",new Error("addWebSeed must be passed a string or connection object with id property"));if(n=e,t=n.connId,this._peers[t])return this.emit("warning",new Error(`ignoring duplicate web seed: ${t}`)),void this.emit("invalidPeer",t)}this._debug("add web seed %s",t);const s=ft.default.createWebSeedPeer(n,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))})),this._peers[e.id]=e,this._peersLength+=1}removePeer(e){const t=e?.id||e;e&&!e.id&&(e=this._peers?.[t]),e&&(e.destroy(),this.destroyed||(this._debug("removePeer %s",t),delete this._peers[t],this._peersLength-=1,this._drain()))}_select(e,t,n,s,i=!1){if(this.destroyed)throw new Error("torrent is destroyed");if(e<0||tt.priority-e.priority)),this._updateSelections()}select(e,t,n,s){this._select(e,t,n,s,!1)}_deselect(e,t,n=!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:n}),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 n=e;n<=t;++n)this._critical[n]=!0;this._updateSelections()}_onWire(e,t){if(this._debug("got wire %s (%s)",e._debugId,t||"Unknown"),this.wires.push(e),t){const n=de(t);e.remoteAddress=n[0],e.remotePort=n[1]}this.client.dht&&this.client.dht.listening&&e.on("port",(n=>{if(!this.destroyed&&!this.client.dht.destroyed){if(!e.remoteAddress)return this._debug("ignoring PORT from peer with no address");if(0===n||n>65536)return this._debug("ignoring invalid PORT from peer");this._debug("port: %s (from %s)",n,t),this.client.dht.addNode({host:e.remoteAddress,port:n})}})),e.on("timeout",(()=>{this._debug("wire timeout (%s)",t),e.destroy()})),"webSeed"!==e.type&&e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(at(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 ht&&!this.private&&(e.use(ht()),e.ut_pex.on("peer",(e=>{this.done||(this._debug("ut_pex: got peer: %s (from %s)",e,t),this.addPeer(e,ft.default.SOURCE_UT_PEX))})),e.ut_pex.on("dropped",(e=>{const n=this._peers[e];n&&!n.connected&&(this._debug("ut_pex: dropped peer: %s (from %s)",e,t),this.removePeer(e))})),e.once("close",(()=>{e.ut_pex.reset()}))),e.use(et()),this.emit("wire",e,t),this.ready&&b((()=>{this._onWireWithMetadata(e)}))}_onWireWithMetadata(e){let t=null;const n=()=>{this.destroyed||e.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&e.amInterested?e.destroy():(t=setTimeout(n,Pt),t.unref&&t.unref()))};let s;const i=()=>{if(e.peerPieces.buffer.length===this.bitfield.buffer.length){for(s=0;s{i(),this._update(),this._updateWireInterest(e)})),e.on("have",(()=>{i(),this._update(),this._updateWireInterest(e)})),e.lt_donthave.on("donthave",(()=>{i(),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(n,Pt),t.unref&&t.unref()})),e.on("unchoke",(()=>{clearTimeout(t),this._update()})),e.on("request",((t,n,s,i)=>{if(s>131072)return e.destroy();this.pieces[t]||this.store.get(t,{offset:n,length:s},i)})),e.hasFast&&this._hasAllPieces()?e.haveAll():e.hasFast&&this._hasNoPieces()?e.haveNone():e.bitfield(this.bitfield),this._updateWireInterest(e),e.peerExtensions.dht&&this.client.dht&&this.client.dht.listening&&e.port(this.client.dht.address().port),"webSeed"!==e.type&&(t=setTimeout(n,Pt),t.unref&&t.unref()),e.isSeeder=!1,i()}_updateSelections(){this.ready&&!this.destroyed&&(b((()=>{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.offsetthis._updateWireInterest(e))),e!==this._amInterested&&(this._amInterested?this.emit("interested"):this.emit("uninterested"))}_updateWireInterest(e){let t=!1;for(let n=0;nthis._updateWireWrapper()),{timeout:250}):this._updateWireWrapper()}_updateWireWrapper(){if(this.destroyed)return;const e=it(this.wires);let t;for(;t=e();)this._updateWire(t)}_updateWire(e){if(e.destroyed)return!1;const t=this,n=Ut(e,.5);if(e.requests.length>=n)return;const s=Ut(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 n of e.peerAllowedFastSet){if(e.peerPieces.get(n)&&!t.bitfield.get(n))for(;t._request(e,n,!1)&&e.requests.length=s.from+s.offset;--r)if(e.peerPieces.get(r)&&t._request(e,r,!1))return}}();o(!1)||o(!0)}function i(t,n,s,i){return r=>r>=t&&r<=n&&!(r in s)&&e.peerPieces.get(r)&&(!i||i(r))}function r(e){let n=e;for(let s=e;s=s)return!0;const o=function(){const n=e.downloadSpeed()||1;if(n>Tt)return()=>!0;const s=Math.max(1,e.requests.length)*st.BLOCK_LENGTH/n;let i=10,r=0;return e=>{if(!i||t.bitfield.get(e))return!0;let o=t.pieces[e].missing;for(;r0))return i--,!1}return!0}}();for(let a=0;a({wire:e,random:Math.random()}))).sort(((e,t)=>{const n=e.wire,s=t.wire;return n.downloadSpeed()!==s.downloadSpeed()?n.downloadSpeed()-s.downloadSpeed():n.uploadSpeed()!==s.uploadSpeed()?n.uploadSpeed()-s.uploadSpeed():n.amChoking!==s.amChoking?n.amChoking?-1:1:e.random-t.random})).map((e=>e.wire));this._rechokeOptimisticTime<=0?this._rechokeOptimisticWire=null:this._rechokeOptimisticTime-=1;let t=0;for(;e.length>0&&t0){const t=e.filter((e=>e.peerInterested));if(t.length>0){const e=t[(n=t.length,Math.random()*n|0)];e.unchoke(),this._rechokeOptimisticWire=e,this._rechokeOptimisticTime=2}}var n;e.filter((e=>e!==this._rechokeOptimisticWire)).forEach((e=>e.choke()))}_hotswap(e,t){const n=e.downloadSpeed();if(n=Tt||(2*a>n||a>o||(i=t,o=a))}if(!i)return!1;for(r=0;r=o)return!1;const a=s.pieces[t];let h=r?a.reserveRemaining():a.reserve();if(-1===h&&n&&s._hotswap(e,t)&&(h=r?a.reserveRemaining():a.reserve()),-1===h)return!1;let c=s._reservations[t];c||(c=s._reservations[t]=[]);let l=c.indexOf(null);-1===l&&(l=c.length),c[l]=e;const d=a.chunkOffset(h),u=r?a.chunkLengthRemaining(h):a.chunkLength(h);function f(){b((()=>{s._update()}))}return e.request(t,d,u,(async function n(i,o){if(s.destroyed)return;if(!s.ready)return s.once("ready",(()=>{n(i,o)}));if(c[l]===e&&(c[l]=null),a!==s.pieces[t])return f();if(i)return s._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,d,u,`${e.remoteAddress}:${e.remotePort}`,i.message),r?a.cancelRemaining(h):a.cancel(h),void f();if(s._debug("got piece %s (offset: %s length: %s) from %s",t,d,u,`${e.remoteAddress}:${e.remotePort}`),!a.set(h,o,e))return f();const p=a.flush(),g=await(0,w.tW)(p,"hex");s.destroyed||(g===s._hashes[t]?(s._debug("piece verified %s",t),s.store.put(t,p,(e=>{e?s._destroy(e):(s.pieces[t]=null,s._markVerified(t),s.wires.forEach((e=>{e.have(t)})),s._checkDone()&&!s.destroyed&&s.discovery.complete(),f())}))):(s.pieces[t]=new st(a.length),s.emit("warning",new Error(`Piece ${t} failed verification`)),f()))})),!0}_checkDone(){if(this.destroyed)return;this.files.forEach((e=>{if(!e.done){for(let t=e._startPiece;t<=e._endPiece;++t)if(!this.bitfield.get(t))return;e.done=!0,e.emit("done"),this._debug(`file done: ${e.name}`)}}));let e=!0;for(const t of this._selections){for(let n=t.from;n<=t.to;n++)if(!this.bitfield.get(n)){e=!1;break}if(!e)break}return!this.done&&e?(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done")):this.done=!1,this._gcSelections(),e}async load(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",(()=>{this.load(e,t)}));Array.isArray(e)||(e=[e]),t||(t=Mt);try{await ge(this.store,_(e),{chunkLength:this.pieceLength}),this._markAllVerified(),this._checkDone(),t(null)}catch(e){return t(e),e}}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const e=[].slice.call(arguments);e[0]=`[${this.client?this.client._debugId:"No Client"}] [${this._debugId}] ${e[0]}`,At(...e)}_drain(){if(this._debug("_drain numConns %s maxConns %s",this._numConns,this.client.maxConns),"function"!=typeof ae.connect||this.destroyed||this.paused||this._numConns>=this.client.maxConns)return;this._debug("drain (%s queued, %s/%s peers)",this._numQueued,this.numPeers,this.client.maxConns);const e=this._queue.shift();if(!e)return;this._debug("%s connect attempt to %s",e.type,e.addr);const t=de(e.addr),n={host:t[0],port:t[1]};this.client.utp&&e.type===ft.default.TYPE_UTP_OUTGOING?e.conn=gt.connect(n.port,n.host):e.conn=ae.connect(n);const s=e.conn;s.once("connect",(()=>{this.destroyed||e.onConnect()})),s.once("error",(t=>{e.destroy(t)})),e.startConnectTimeout(),s.on("close",(()=>{if(this.destroyed)return;if(e.retries>=It.length){if(this.client.utp){const t=this._addPeer(e.addr,"tcp",e.source);t&&(t.retries=0)}else this._debug("conn %s closed: will not re-add (max %s attempts)",e.addr,It.length);return}const t=It[e.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",e.addr,t,e.retries+1);const n=setTimeout((()=>{if(this.destroyed)return;const t=de(e.addr)[0],n=this.client.utp&&this._isIPv4(t)?"utp":"tcp",s=this._addPeer(e.addr,n,e.source);s&&(s.retries=e.retries+1)}),t);n.unref&&n.unref()}))}_validAddr(e){let t;try{t=de(e)}catch(e){return!1}const n=t[0],s=t[1];return s>0&&s<65535&&!("127.0.0.1"===n&&s===this.client.torrentPort)}_isIPv4(e){return/^((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$/.test(e)}}function Ut(e,t){let n=2+Math.ceil(t*e.downloadSpeed()/st.BLOCK_LENGTH);if(e.peerExtendedHandshake){const t=e.peerExtendedHandshake.reqq;"number"==typeof t&&t>0&&(n=Math.min(n,t))}return n}function Mt(){}var Bt=i(4043),Dt=i(580),jt=i(815),Ft=i(2878);class qt{constructor(e,t={}){this.client=e,t.origin||(t.origin="*"),this.opts=t,this.pendingReady=new Set}static serveIndexPage(e,t,n){const s=t.map((e=>`\n \n ${Dt(e.name)}\n \n (${Dt(e.length)} bytes)\n `)).join("WebTorrent \n ${s} `),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=Vt("405 - Method Not Allowed","405 - Method Not Allowed "),e}static serve404Page(e){return e.status=404,e.headers["Content-Type"]="text/html",e.body=Vt("404 - Not Found","404 - Not Found "),e}static serveTorrentPage(e,t,n){const s=e.files.map((t=>`\n \n ${Dt(t.path)}\n \n (${Dt(t.length)} bytes)\n `)).join("${Dt(e.name)} \n ${s} `),t}static serveOptionsRequest(e,t){return t.status=204,t.headers["Access-Control-Max-Age"]="600",t.headers["Access-Control-Allow-Methods"]="GET,HEAD",e.headers["access-control-request-headers"]&&(t.headers["Access-Control-Allow-Headers"]=e.headers["access-control-request-headers"]),t}static serveFile(e,t,n){n.status=200,n.headers.Expires="0",n.headers["Cache-Control"]="no-cache, no-store, must-revalidate, max-age=0",n.headers["Accept-Ranges"]="bytes",n.headers["Content-Type"]=e.type,n.headers["transferMode.dlna.org"]="Streaming",n.headers["contentFeatures.dlna.org"]="DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000","document"===t.destination?(n.headers["Content-Type"]="application/octet-stream",n.headers["Content-Disposition"]=`attachment; filename*=UTF-8''${zt(e.name)}`,n.body="DOWNLOAD"):n.headers["Content-Disposition"]=`inline; filename*=UTF-8''${zt(e.name)}`;let s=Ft(e.length,t.headers.range||"");if(Array.isArray(s)?(n.status=206,s=s[0],n.headers["Content-Range"]=`bytes ${s.start}-${s.end}/${e.length}`,n.headers["Content-Length"]=s.end-s.start+1):(n.statusCode=200,s=null,n.headers["Content-Length"]=e.length),"GET"===t.method){const i=e[Symbol.asyncIterator](s);let r=null;e.emit("iterator",{iterator:i,req:t,file:e},(e=>{r=e}));const o=Y.Readable.from(r||i);let a=null;e.emit("stream",{stream:o,req:t,file:e},(e=>{a=jt(o,e)})),n.body=a||o}else n.body=!1;return n}async onRequest(e,t){let n=new URL(e.url,"http://example.com").pathname;n=n.slice(n.indexOf(this.pathname)+this.pathname.length+1);const 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"===n)return t(qt.serve404Page(s));if("OPTIONS"===e.method)return this.isOriginAllowed(e)?t(qt.serveOptionsRequest(e,s)):t(qt.serveMethodNotAllowed(s));const i=async()=>{this.pendingReady.delete(i);const e=await r();t(e)},r=async()=>{if(""===n)return qt.serveIndexPage(s,this.client.torrents,this.pathname);let[t,...i]=n.split("/");i=decodeURI(i.join("/"));const r=await this.client.get(t);if(!t||!r)return qt.serve404Page(s);if(!i)return qt.serveTorrentPage(r,s,this.pathname);const o=r.files.find((e=>e.path.replace(/\\/g,"/")===i));return o?qt.serveFile(o,e,s):qt.serve404Page(s)};if("GET"===e.method||"HEAD"===e.method){if(this.client.ready){const e=await r();return t(e)}return this.pendingReady.add(i),void this.client.once("ready",i)}return t(qt.serveMethodNotAllowed(s))}close(e=(()=>{})){this.closed=!0,this.pendingReady.forEach((e=>{this.client.removeListener("ready",e)})),this.pendingReady.clear(),b(e)}destroy(e=(()=>{})){this.closed?b(e):this.close(e),this.client=null}}class Wt extends qt{constructor(e,t){super(e,t),this.server=Bt.createServer(),this._listen=this.server.listen,this.server.listen=this.listen.bind(this),this._close=this.server.close,this.server.close=this.close.bind(this),this.sockets=new Set,this.closed=!1,this.pathname=t?.pathname||"/webtorrent"}wrapRequest(e,t){return this.opts.hostname&&e.headers.host!==`${this.opts.hostname}:${this.server.address().port}`?e.destroy():new URL(e.url,"http://example.com").pathname.startsWith(this.pathname)?void this.onRequest(e,(({status:e,headers:n,body:s})=>{t.writeHead(e,n),s._readableState||s._writableState?jt(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 $t extends qt{constructor(e,t){super(e,t),this.registration=t.controller,this.workerKeepAliveInterval=null,this.workerPortCount=0;const n=new URL(t.controller.scope);this.pathname=n.pathname+"webtorrent",this._address={port:n.port,family:"IPv4",address:n.hostname},this.boundHandler=this.wrapRequest.bind(this),navigator.serviceWorker.addEventListener("message",this.boundHandler),fetch(`${this.pathname}/cancel/`).then((e=>{e.body.cancel()}))}wrapRequest(e){const t=e.data;if("webtorrent"===!t?.type||!t.url)return null;const[n]=e.ports;this.onRequest(t,(({status:e,headers:t,body:s})=>{const i=s[Symbol.asyncIterator]?.(),r=()=>{n.onmessage=null,s?.destroy&&s.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};n.onmessage=async e=>{if(e.data){let e;try{e=(await i.next()).value}catch(e){}n.postMessage(e),e||r(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval((()=>fetch(`${this.pathname}/keepalive/`)),2e4))}else r()},this.workerPortCount++,n.postMessage({status:e,headers:t,body:i?"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 Vt(e,t){return`\n \n \n \n ${e} \n \n \n ${t}\n \n \n `}function zt(e){return encodeURIComponent(e).replace(/['()]/g,escape).replace(/\*/g,"%2A").replace(/%(?:7C|60|5E)/g,unescape)}const Gt=L("webtorrent"),Kt=_t.replace(/\d*./g,(e=>("0"+e%100).slice(-2))).slice(0,4),Yt=`-WW${Kt}-`;class Jt extends o{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)(Yt+(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=Jt.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(i.bind(i,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 se.ThrottleGroup({rate:Math.max(this._downloadLimit,0),enabled:this._downloadLimit>=0}),up:new se.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 re?this._connPool=new re(this):b((()=>{this._onListening()})),this._downloadSpeed=ne(),this._uploadSpeed=ne(),!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=>{Gt("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 O&&null!=e.blocklist?O(e.blocklist,{headers:{"user-agent":`WebTorrent/${_t} (https://webtorrent.io)`}},((e,n)=>{if(e)return console.error(`Failed to load blocklist: ${e.message}`);this.blocked=n,t()})):b(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 $t(this,e),this._server}return this._server=new Wt(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 Ht){if(this.torrents.includes(e))return e}else{const t=this.torrents;let n;try{n=await W(e)}catch(e){}if(!n)return null;if(!n.infoHash)throw new Error("Invalid torrent identifier");for(const e of t)if(e.infoHash===n.infoHash)return e}return null}add(e,t={},n=(()=>{})){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,n]=[{},t]);const 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 ${r.infoHash}`)),void n(e)},i=()=>{this.destroyed||(n(r),this.emit("torrent",r))};this._debug("add"),t=t?Object.assign({},t):{};const r=new Ht(e,this,t);return this.torrents.push(r),r.once("_infoHash",s),r.once("ready",i),r.once("close",(function e(){r.removeListener("_infoHash",s),r.removeListener("ready",i),r.removeListener("close",e)})),this.emit("add",r),r}seed(e,t,n){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,n]=[{},t]),this._debug("seed"),(t=t?Object.assign({},t):{}).skipVerify=!0;const s="string"==typeof e;s&&(t.path=function(e){if(a(e),0===e.length)return".";let t=e.charCodeAt(0);const n=47===t;let s=-1,i=!0;for(let n=e.length-1;n>=1;--n)if(t=e.charCodeAt(n),47===t){if(!i){s=n;break}}else i=!1;return-1===s?n?"/":".":n&&1===s?"//":e.slice(0,s)}(e)),t.createdBy||(t.createdBy=`WebTorrent/${Kt}`);const i=e=>{this._debug("on seed"),"function"==typeof n&&n(e),e.emit("seed"),this.emit("seed",e)},r=this.add(null,t,(e=>{const n=[n=>{if(s||t.preloadedStore)return n();e.load(o,n)}];this.dht&&n.push((t=>{e.once("dhtAnnounce",t)})),y(n,(t=>{if(!this.destroyed)return t?e._destroy(t):void i(e)}))}));let o;var h;return h=e,"undefined"!=typeof FileList&&h instanceof FileList?e=Array.from(e):Array.isArray(e)||(e=[e]),y(e.map((e=>async n=>{if(!t.preloadedStore&&function(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}(e)){const t=[];try{for await(const n of e)t.push(n)}catch(e){return n(e)}const s=(0,w.xW)(t);s.name=e.name,n(null,s)}else n(null,e)})),((e,s)=>{if(!this.destroyed)return e?r._destroy(e):void function(e,t,n){"function"==typeof t&&([t,n]=[n,t]),S(e,t=t?Object.assign({},t):{},n)}(s,t,((e,i)=>{if(!this.destroyed){if(e)return r._destroy(e);o=i.map((e=>e.getStream)),T(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 n&&n(s)):r._onTorrentId(t)}))}}))})),r}async remove(e,t,n){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 ${e}`);this._remove(s,t,n)}_remove(e,t,n){if(!e)return;if("function"==typeof t)return this._remove(e,null,t);const s=this.torrents.indexOf(e);-1!==s&&(this.torrents.splice(s,1),e.destroy(t,n),this.dht&&this.dht._tables.remove(e.infoHash),this.emit("remove",e))}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._downloadLimit=e,this._downloadLimit<0?this.throttleGroups.down.setEnabled(!1):(this.throttleGroups.down.setEnabled(!0),void this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._uploadLimit=e,this._uploadLimit<0?this.throttleGroups.up.setEnabled(!1):(this.throttleGroups.up.setEnabled(!0),void this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)}_destroy(e,t){this._debug("client destroy"),this.destroyed=!0;const n=this.torrents.map((e=>t=>{e.destroy(t)}));this._connPool&&n.push((e=>{this._connPool.destroy(e)})),this.dht&&n.push((e=>{this.dht.destroy(e)})),this._server&&n.push((e=>{this._server.destroy(e)})),this.natTraversal&&n.push((e=>{this.natTraversal.destroy().then((()=>e()))})),y(n,t),e&&this.emit("error",e),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const e=this._connPool.tcpServer.address();e&&(this.torrentPort=e.port,this.natTraversal&&this.natTraversal.map({publicPort:this.torrentPort,privatePort:this.torrentPort,protocol:this.utp?null:"tcp",description:"WebTorrent Torrent"}).catch((e=>{Gt("error mapping WebTorrent port via UPnP/PMP: %o",e)})))}this.emit("listening")}_debug(){const e=[].slice.call(arguments);e[0]=`[${this._debugId}] ${e[0]}`,Gt(...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}}Jt.WEBRTC_SUPPORT=te.WEBRTC_SUPPORT,Jt.UTP_SUPPORT=re.UTP_SUPPORT,Jt.VERSION=_t;var Xt=r.A;export{Xt as default};
//# sourceMappingURL=webtorrent.min.js.map
