webtorrent and teaser support

14 files changed, 103 insertions, 68 deletions

diff --git a/index.html b/index.html
index cc90d6e..7836e19 100644
--- a/index.html
+++ b/index.html
@@ -1 +1,2 @@
-$partial("templates/thumbs.html")$
\ No newline at end of file
+$partial("templates/load-webtorrent.html")$
+$partial("templates/thumbs.html")$
diff --git a/posts/2015-10-07-rosa-rosa-rosam.md b/posts/2015-10-07-rosa-rosa-rosam.md
index 594442e..235160c 100644
--- a/posts/2015-10-07-rosa-rosa-rosam.md
+++ b/posts/2015-10-07-rosa-rosa-rosam.md
@@ -1,5 +1,6 @@
 ---
 title: Rosa Rosa Rosam
+torrent: magnet:?xt=urn:btih:dd8255ecdc7ca55fb0bbf81323d87062db1f6d1c&dn=Big+Buck+Bunny&tr=udp%3A%2F%2Fexplodie.org%3A6969&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Ftracker.empire-js.us%3A1337&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Ftracker.opentrackr.org%3A1337&tr=wss%3A%2F%2Ftracker.btorrent.xyz&tr=wss%3A%2F%2Ftracker.fastcast.nz&tr=wss%3A%2F%2Ftracker.openwebtorrent.com&ws=https%3A%2F%2Fwebtorrent.io%2Ftorrents%2F&xs=https%3A%2F%2Fwebtorrent.io%2Ftorrents%2Fbig-buck-bunny.torrent
 author: Ovidius
 ---
 
diff --git a/posts/2015-12-07-tu-quoque.md b/posts/2015-12-07-tu-quoque.md
index e9b32a0..89488c6 100644
--- a/posts/2015-12-07-tu-quoque.md
+++ b/posts/2015-12-07-tu-quoque.md
@@ -1,6 +1,6 @@
 ---
 title: Tu Quoque
-thumbnail: '<iframe title="Lofenyy - The Sims Episode 13" src="https://spectra.video/videos/embed/e2289842-54b0-4a0a-b18f-c0522529f40d" frameborder="0" allowfullscreen="" sandbox="allow-same-origin allow-scripts allow-popups"></iframe>'
+torrent: magnet:?xt=urn:btih:08ada5a7a6183aae1e09d831df6748d566095a10&dn=Sintel&tr=udp%3A%2F%2Fexplodie.org%3A6969&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Ftracker.empire-js.us%3A1337&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Ftracker.opentrackr.org%3A1337&tr=wss%3A%2F%2Ftracker.btorrent.xyz&tr=wss%3A%2F%2Ftracker.fastcast.nz&tr=wss%3A%2F%2Ftracker.openwebtorrent.com&ws=https%3A%2F%2Fwebtorrent.io%2Ftorrents%2F&xs=https%3A%2F%2Fwebtorrent.io%2Ftorrents%2Fsintel.torrent
 subtitle: this is the subtitle omg
 tags: lol, omg, slay
 author: celeste_🌸
diff --git a/scripts/webtorrent.min.js b/scripts/webtorrent.min.js
new file mode 100644
index 0000000..7be3be2
--- /dev/null
+++ b/scripts/webtorrent.min.js
@@ -0,0 +1,2 @@
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_waitForTokens(e){return new Promise(((t,s)=>{let i=!1;const n=this;function r(e){if(n._emitter.removeListener("disabled",r),n._emitter.removeListener("destroyed",r),!i){if(i=!0,e)return s(e);t()}}this._emitter.once("disabled",r),this._emitter.once("destroyed",r),this._group.bucket.removeTokens(e,r)}))}_areBothEnabled(){return this._enabled&&this._group.getEnabled()}async _processChunk(e,t){if(!this._areBothEnabled())return t(null,e);let s=0,i=this._group.getChunksize(),n=e.slice(s,s+i);for(;n.length>0;){if(this._areBothEnabled())try{for(;0===this._group.getRate()&&!this._destroyed&&this._areBothEnabled();)if(await r(1e3),this._destroyed)return;if(this._areBothEnabled()&&!this._group.bucket.tryRemoveTokens(n.length)&&(await this._waitForTokens(n.length),this._destroyed))return}catch(e){return t(e)}this.push(n),s+=i,i=this._areBothEnabled()?this._group.getChunksize():e.length-s,n=e.slice(s,s+i)}return t()}destroy(...e){this._group._removeThrottle(this),this._destroyed=!0,this._emitter.emit("destroyed"),super.destroy(...e)}};const o=s(8499)},2072:e=>{e.exports={wait:function(e){return new Promise((t=>setTimeout(t,e)))}}},8179:(e,t,s)=>{const{EventEmitter:i}=s(7007),n=new Error("Stream was destroyed"),r=new Error("Premature close"),o=s(2133),a=s(6080),h=536870911,l=1^h,c=2^h,d=64,u=128,p=256,f=1024,m=2048,g=4096,_=8192,y=16384,w=32768,b=131072,v=131328,k=16^h,x=768^h,S=536838143,E=32^h,C=536739839,P=2<<18,A=4<<18,T=8<<18,I=16<<18,L=32<<18,R=64<<18,O=128<<18,H=256<<18,N=512<<18,M=1024<<18,U=469499903,j=535822335,B=503316479,F=262160,D=536608751,q=8404992,W=14,$=15,z=8405006,V=33587200,G=33587215,K=2359296,Y=270794767,J=Symbol.asyncIterator||Symbol("asyncIterator");class X{constructor(e,{highWaterMark:t=16384,map:s=null,mapWritable:i,byteLength:n,byteLengthWritable:r}={}){this.stream=e,this.queue=new a,this.highWaterMark=t,this.buffered=0,this.error=null,this.pipeline=null,this.drains=null,this.byteLength=r||n||be,this.map=i||s,this.afterWrite=ne.bind(this),this.afterUpdateNextTick=ae.bind(this)}get ended(){return!!(this.stream._duplexState&L)}push(e){return null!==this.map&&(e=this.map(e)),this.buffered+=this.byteLength(e),this.queue.push(e),this.buffered<this.highWaterMark?(this.stream._duplexState|=T,!0):(this.stream._duplexState|=6291456,!1)}shift(){const e=this.queue.shift();return this.buffered-=this.byteLength(e),0===this.buffered&&(this.stream._duplexState&=534773759),e}end(e){"function"==typeof e?this.stream.once("finish",e):null!=e&&this.push(e),this.stream._duplexState=(this.stream._duplexState|N)&j}autoBatch(e,t){const s=[],i=this.stream;for(s.push(e);(i._duplexState&Y)===K;)s.push(i._writableState.shift());if(i._duplexState&$)return t(null);i._writev(s,t)}update(){const e=this.stream;e._duplexState|=P;do{for(;(e._duplexState&Y)===T;){const 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a,this.highWaterMark=0===t?1:t,this.buffered=0,this.readAhead=t>0,this.error=null,this.pipeline=null,this.byteLength=r||n||be,this.map=i||s,this.pipeTo=null,this.afterRead=re.bind(this),this.afterUpdateNextTick=oe.bind(this)}get ended(){return!!(this.stream._duplexState&y)}pipe(e,t){if(null!==this.pipeTo)throw new Error("Can only pipe to one destination");if("function"!=typeof t&&(t=null),this.stream._duplexState|=512,this.pipeTo=e,this.pipeline=new ee(this.stream,e,t),t&&this.stream.on("error",ve),we(e))e._writableState.pipeline=this.pipeline,t&&e.on("error",ve),e.on("finish",this.pipeline.finished.bind(this.pipeline));else{const t=this.pipeline.done.bind(this.pipeline,e),s=this.pipeline.done.bind(this.pipeline,e,null);e.on("error",t),e.on("close",s),e.on("finish",this.pipeline.finished.bind(this.pipeline))}e.on("drain",te.bind(this)),this.stream.emit("piping",e),e.emit("pipe",this.stream)}push(e){const t=this.stream;return null===e?(this.highWaterMark=0,t._duplexState=536805311&t._duplexState|1024,!1):(null!==this.map&&(e=this.map(e)),this.buffered+=this.byteLength(e),this.queue.push(e),t._duplexState=536805375&t._duplexState|128,this.buffered<this.highWaterMark)}shift(){const e=this.queue.shift();return this.buffered-=this.byteLength(e),0===this.buffered&&(this.stream._duplexState&=536862591),e}unshift(e){const t=[null!==this.map?this.map(e):e];for(;this.buffered>0;)t.push(this.shift());for(let e=0;e<t.length-1;e++){const s=t[e];this.buffered+=this.byteLength(s),this.queue.push(s)}this.push(t[t.length-1])}read(){const e=this.stream;if((16527&e._duplexState)===u){const t=this.shift();return null!==this.pipeTo&&!1===this.pipeTo.write(t)&&(e._duplexState&=x),e._duplexState&m&&e.emit("data",t),t}return!1===this.readAhead&&(e._duplexState|=b,this.updateNextTick()),null}drain(){const e=this.stream;for(;(16527&e._duplexState)===u&&768&e._duplexState;){const t=this.shift();null!==this.pipeTo&&!1===this.pipeTo.write(t)&&(e._duplexState&=x),e._duplexState&m&&e.emit("data",t)}}update(){const e=this.stream;e._duplexState|=32;do{for(this.drain();this.buffered<this.highWaterMark&&(214047&e._duplexState)===b;)e._duplexState|=65552,e._read(this.afterRead),this.drain();4224==(12431&e._duplexState)&&(e._duplexState|=_,e.emit("readable")),80&e._duplexState||this.updateNonPrimary()}while(!0===this.continueUpdate());e._duplexState&=E}updateNonPrimary(){const e=this.stream;(1167&e._duplexState)===f&&(e._duplexState=536869887&e._duplexState|16384,e.emit("end"),(e._duplexState&z)===q&&(e._duplexState|=4),null!==this.pipeTo&&this.pipeTo.end()),4!=(e._duplexState&W)?1==(e._duplexState&G)&&(e._duplexState=(e._duplexState|F)&l,e._open(he.bind(this))):e._duplexState&V||(e._duplexState|=F,e._destroy(ie.bind(this)))}continueUpdate(){return!!(this.stream._duplexState&w)&&(this.stream._duplexState&=S,!0)}updateCallback(){(32879&this.stream._duplexState)===d?this.update():this.updateNextTick()}updateNextTick(){this.stream._duplexState&w||(this.stream._duplexState|=w,32&this.stream._duplexState||o(this.afterUpdateNextTick))}}class Z{constructor(e){this.data=null,this.afterTransform=le.bind(e),this.afterFinal=null}}class ee{constructor(e,t,s){this.from=e,this.to=t,this.afterPipe=s,this.error=null,this.pipeToFinished=!1}finished(){this.pipeToFinished=!0}done(e,t){t&&(this.error=t),e!==this.to||(this.to=null,null===this.from)?e!==this.from||(this.from=null,null===this.to)?(null!==this.afterPipe&&this.afterPipe(this.error),this.to=this.from=this.afterPipe=null):e._duplexState&y||this.to.destroy(this.error||new Error("Readable stream closed before ending")):this.from._duplexState&y&&this.pipeToFinished||this.from.destroy(this.error||new Error("Writable stream closed prematurely"))}}function te(){this.stream._duplexState|=512,this.updateCallback()}function se(e){const t=this.stream;e&&t.destroy(e),t._duplexState&W||(t._duplexState|=L,t.emit("finish")),(t._duplexState&z)===q&&(t._duplexState|=4),t._duplexState&=U,t._duplexState&P?this.updateNextTick():this.update()}function ie(e){const t=this.stream;e||this.error===n||(e=this.error),e&&t.emit("error",e),t._duplexState|=8,t.emit("close");const s=t._readableState,i=t._writableState;if(null!==s&&null!==s.pipeline&&s.pipeline.done(t,e),null!==i){for(;null!==i.drains&&i.drains.length>0;)i.drains.shift().resolve(!1);null!==i.pipeline&&i.pipeline.done(t,e)}}function ne(e){const t=this.stream;e&&t.destroy(e),t._duplexState&=U,null!==this.drains&&function(e){for(let t=0;t<e.length;t++)0==--e[t].writes&&(e.shift().resolve(!0),t--)}(this.drains),(6553615&t._duplexState)===I&&(t._duplexState&=532676607,(t._duplexState&R)===R&&t.emit("drain")),this.updateCallback()}function re(e){e&&this.stream.destroy(e),this.stream._duplexState&=k,!1!==this.readAhead||this.stream._duplexState&p||(this.stream._duplexState&=C),this.updateCallback()}function oe(){32&this.stream._duplexState||(this.stream._duplexState&=S,this.update())}function ae(){this.stream._duplexState&P||(this.stream._duplexState&=B,this.update())}function he(e){const t=this.stream;e&&t.destroy(e),4&t._duplexState||(17423&t._duplexState||(t._duplexState|=d),142606351&t._duplexState||(t._duplexState|=A),t.emit("open")),t._duplexState&=D,null!==t._writableState&&t._writableState.updateCallback(),null!==t._readableState&&t._readableState.updateCallback()}function le(e,t){null!=t&&this.push(t),this._writableState.afterWrite(e)}function ce(e){null!==this._readableState&&("data"===e&&(this._duplexState|=133376,this._readableState.updateNextTick()),"readable"===e&&(this._duplexState|=g,this._readableState.updateNextTick())),null!==this._writableState&&"drain"===e&&(this._duplexState|=R,this._writableState.updateNextTick())}class de extends i{constructor(e){super(),this._duplexState=0,this._readableState=null,this._writableState=null,e&&(e.open&&(this._open=e.open),e.destroy&&(this._destroy=e.destroy),e.predestroy&&(this._predestroy=e.predestroy),e.signal&&e.signal.addEventListener("abort",ke.bind(this))),this.on("newListener",ce)}_open(e){e(null)}_destroy(e){e(null)}_predestroy(){}get readable(){return null!==this._readableState||void 0}get writable(){return null!==this._writableState||void 0}get destroyed(){return!!(8&this._duplexState)}get destroying(){return!!(this._duplexState&W)}destroy(e){this._duplexState&W||(e||(e=n),this._duplexState=535822271&this._duplexState|4,null!==this._readableState&&(this._readableState.highWaterMark=0,this._readableState.error=e),null!==this._writableState&&(this._writableState.highWaterMark=0,this._writableState.error=e),this._duplexState|=2,this._predestroy(),this._duplexState&=c,null!==this._readableState&&this._readableState.updateNextTick(),null!==this._writableState&&this._writableState.updateNextTick())}}class ue extends de{constructor(e){super(e),this._duplexState|=8519681,this._readableState=new Q(this,e),e&&(!1===this._readableState.readAhead&&(this._duplexState&=C),e.read&&(this._read=e.read),e.eagerOpen&&this._readableState.updateNextTick())}_read(e){e(null)}pipe(e,t){return this._readableState.updateNextTick(),this._readableState.pipe(e,t),e}read(){return this._readableState.updateNextTick(),this._readableState.read()}push(e){return this._readableState.updateNextTick(),this._readableState.push(e)}unshift(e){return this._readableState.updateNextTick(),this._readableState.unshift(e)}resume(){return this._duplexState|=v,this._readableState.updateNextTick(),this}pause(){return this._duplexState&=!1===this._readableState.readAhead?536739583:536870655,this}static _fromAsyncIterator(e,t){let s;const i=new ue({...t,read(t){e.next().then(n).then(t.bind(null,null)).catch(t)},predestroy(){s=e.return()},destroy(e){if(!s)return e(null);s.then(e.bind(null,null)).catch(e)}});return i;function n(e){e.done?i.push(null):i.push(e.value)}}static from(e,t){if(we(s=e)&&s.readable)return e;var s;if(e[J])return this._fromAsyncIterator(e[J](),t);Array.isArray(e)||(e=void 0===e?[]:[e]);let i=0;return new ue({...t,read(t){this.push(i===e.length?null:e[i++]),t(null)}})}static isBackpressured(e){return!!(17422&e._duplexState)||e._readableState.buffered>=e._readableState.highWaterMark}static isPaused(e){return!(e._duplexState&p)}[J](){const e=this;let t=null,s=null,i=null;return this.on("error",(e=>{t=e})),this.on("readable",(function(){null!==s&&r(e.read())})),this.on("close",(function(){null!==s&&r(null)})),{[J](){return this},next:()=>new Promise((function(t,n){s=t,i=n;const o=e.read();null!==o?r(o):8&e._duplexState&&r(null)})),return:()=>o(null),throw:e=>o(e)};function r(r){null!==i&&(t?i(t):null!==r||e._duplexState&y?s({value:r,done:null===r}):i(n),i=s=null)}function o(t){return e.destroy(t),new Promise(((s,i)=>{if(8&e._duplexState)return s({value:void 0,done:!0});e.once("close",(function(){t?i(t):s({value:void 0,done:!0})}))}))}}}class pe extends de{constructor(e){super(e),this._duplexState|=16385,this._writableState=new X(this,e),e&&(e.writev&&(this._writev=e.writev),e.write&&(this._write=e.write),e.final&&(this._final=e.final),e.eagerOpen&&this._writableState.updateNextTick())}cork(){this._duplexState|=M}uncork(){this._duplexState&=268435455,this._writableState.updateNextTick()}_writev(e,t){t(null)}_write(e,t){this._writableState.autoBatch(e,t)}_final(e){e(null)}static isBackpressured(e){return!!(146800654&e._duplexState)}static drained(e){if(e.destroyed)return Promise.resolve(!1);const t=e._writableState;var s;const i=((s=e)._writev!==pe.prototype._writev&&s._writev!==fe.prototype._writev?Math.min(1,t.queue.length):t.queue.length)+(e._duplexState&H?1:0);return 0===i?Promise.resolve(!0):(null===t.drains&&(t.drains=[]),new Promise((e=>{t.drains.push({writes:i,resolve:e})})))}write(e){return this._writableState.updateNextTick(),this._writableState.push(e)}end(e){return this._writableState.updateNextTick(),this._writableState.end(e),this}}class fe extends ue{constructor(e){super(e),this._duplexState=1|this._duplexState&b,this._writableState=new X(this,e),e&&(e.writev&&(this._writev=e.writev),e.write&&(this._write=e.write),e.final&&(this._final=e.final))}_writev(e,t){t(null)}_write(e,t){this._writableState.autoBatch(e,t)}_final(e){e(null)}write(e){return this._writableState.updateNextTick(),this._writableState.push(e)}end(e){return this._writableState.updateNextTick(),this._writableState.end(e),this}}class me extends fe{constructor(e){super(e),this._transformState=new Z(this),e&&(e.transform&&(this._transform=e.transform),e.flush&&(this._flush=e.flush))}_write(e,t){this._readableState.buffered>=this._readableState.highWaterMark?this._transformState.data=e:this._transform(e,this._transformState.afterTransform)}_read(e){if(null!==this._transformState.data){const t=this._transformState.data;this._transformState.data=null,e(null),this._transform(t,this._transformState.afterTransform)}else 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closed")):!this.peerChoking||this.hasFast&&this.peerAllowedFastSet.includes(e)?(this._debug("request index=%d offset=%d length=%d",e,t,s),this.requests.push(new P(e,t,s,i)),this._timeout||this._resetTimeout(!0),void this._message(6,[e,t,s],null)):i(new Error("peer is choking"))}piece(e,t,s){this._debug("piece index=%d offset=%d",e,t),this._message(7,[e,t],s),this.uploaded+=s.length,this.uploadSpeed(s.length),this.emit("upload",s.length)}cancel(e,t,s){this._debug("cancel index=%d offset=%d length=%d",e,t,s),this._callback(this._pull(this.requests,e,t,s),new Error("request was cancelled"),null),this._message(8,[e,t,s],null)}port(e){this._debug("port %d",e);const t=new Uint8Array(b);new DataView(t.buffer).setUint16(5,e),this._push(t)}suggest(e){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("suggest %d",e),this._message(13,[e],null)}haveAll(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-all"),this._push(v)}haveNone(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-none"),this._push(k)}reject(e,t,s){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("reject index=%d offset=%d length=%d",e,t,s),this._pull(this.peerRequests,e,t,s),this._message(16,[e,t,s],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 s=new Uint8Array([e]),n=ArrayBuffer.isView(t)?t:i.A.encode(t);this._message(20,[],(0,l.xW)([s,n]))}}async setEncrypt(e,t){let s,i,n,r;switch(this.type){case"tcpIncoming":s=await(0,l.tW)((0,l.fk)(this._utfToHex("keyB")+e+t)),n=await(0,l.tW)((0,l.fk)(this._utfToHex("keyA")+e+t)),i=[];for(const e of s.values())i.push(e);r=[];for(const e of n.values())r.push(e);this._encryptGenerator=new a(i),this._decryptGenerator=new a(r);break;case"tcpOutgoing":s=await(0,l.tW)((0,l.fk)(this._utfToHex("keyA")+e+t)),n=await(0,l.tW)((0,l.fk)(this._utfToHex("keyB")+e+t)),i=[];for(const e of s.values())i.push(e);r=[];for(const e of n.values())r.push(e);this._encryptGenerator=new a(i),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,s){const i=s?s.length:0,n=new Uint8Array(5+4*t.length),r=new DataView(n.buffer);r.setUint32(0,n.length+i-4),n[4]=e;for(let e=0;e<t.length;e++)r.setUint32(5+4*e,t[e]);this._push(n),s&&this._push(s)}_push(e){if(!this._finished)return 2===this._encryptionMethod&&this._cryptoHandshakeDone&&(e=this._encrypt(e)),this.push(e)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onPe1(e){this._peerPubKey=(0,l.V5)(e),this._sharedSecret=this._dh.computeSecret(this._peerPubKey,"hex","hex"),this.emit("pe1")}_onPe2(e){this._peerPubKey=(0,l.V5)(e),this._sharedSecret=this._dh.computeSecret(this._peerPubKey,"hex","hex"),this.emit("pe2")}async _onPe3(e){const t=await(0,l.V5)(this._utfToHex("req3")+this._sharedSecret),s=(0,l.V5)(C(t,e));this.emit("pe3",s)}_onPe3Encrypted(e,t){if(!(0,l.LC)(e,x))return this._debug("Error: verification constant did not match"),void this.destroy();for(const e of t.values())0!==e&&this._peerCryptoProvide.push(e);this._peerCryptoProvide.includes(2)?this._encryptionMethod=2:(this._debug("Error: RC4 encryption method not provided by peer"),this.destroy())}_onPe4(e){this._encryptionMethod=e[3],S.includes(this._encryptionMethod)||(this._debug("Error: peer selected invalid crypto method"),this.destroy()),this._cryptoHandshakeDone=!0,this._debug("crypto handshake done"),this.emit("pe4")}_onHandshake(e,t,s){const i=(0,l.V5)(e),n=(0,l.V5)(t);this._debug("got handshake i=%s p=%s exts=%o",i,n,s),this.peerId=n,this.peerIdBuffer=t,this.peerExtensions=s,this.extensions.fast&&this.peerExtensions.fast&&(this._debug("fast extension is enabled"),this.hasFast=!0),this.emit("handshake",i,n,s);for(const e in this._ext)this._ext[e].onHandshake(i,n,s);s.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_onChoke(){if(this.peerChoking=!0,this._debug("got choke"),this.emit("choke"),!this.hasFast)for(;this.requests.length;)this._callback(this.requests.pop(),new Error("peer is choking"),null)}_onUnchoke(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")}_onInterested(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")}_onUninterested(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")}_onHave(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))}_onBitField(e){this.peerPieces=new n.A(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(e,t,s){if(this.amChoking&&(!this.hasFast||!this.allowedFastSet.includes(e)))return void(this.hasFast&&this.reject(e,t,s));this._debug("got request index=%d offset=%d length=%d",e,t,s);const i=(i,r)=>{if(n===this._pull(this.peerRequests,e,t,s))return i?(this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,s,i.message),void(this.hasFast&&this.reject(e,t,s))):void this.piece(e,t,r)},n=new P(e,t,s,i);this.peerRequests.push(n),this.emit("request",e,t,s,i)}_onPiece(e,t,s){this._debug("got piece index=%d offset=%d",e,t),this._callback(this._pull(this.requests,e,t,s.length),null,s),this.downloaded+=s.length,this.downloadSpeed(s.length),this.emit("download",s.length),this.emit("piece",e,t,s)}_onCancel(e,t,s){this._debug("got cancel index=%d offset=%d length=%d",e,t,s),this._pull(this.peerRequests,e,t,s),this.emit("cancel",e,t,s)}_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 A,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,s){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,s),this._callback(this._pull(this.requests,e,t,s),new Error("request was rejected"),null),this.emit("reject",e,t,s)}_onAllowedFast(e){if(!this.hasFast)return this._debug("Error: got allowed-fast whereas fast extension is disabled"),void this.destroy();this._debug("got allowed-fast %d",e),this.peerAllowedFastSet.includes(e)||this.peerAllowedFastSet.push(e),this.peerAllowedFastSet.length>100&&this.peerAllowedFastSet.shift(),this.emit("allowed-fast",e)}_onExtended(e,t){if(0===e){let e;try{e=i.A.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!e)return;if(this.peerExtendedHandshake=e,"object"==typeof e.m)for(const t in e.m)this.peerExtendedMapping[t]=Number(e.m[t].toString());for(const e in this._ext)this.peerExtendedMapping[e]&&this._ext[e].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[e]&&(e=this.extendedMapping[e],this._ext[e]&&this._ext[e].onMessage(t)),this._debug("got extended message ext=%s",e),this.emit("extended",e,t)}_onTimeout(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")}_write(e,t){if(2===this._encryptionMethod&&this._cryptoHandshakeDone&&(e=this._decrypt(e)),this._bufferSize+=e.length,this._buffer.push(e),this._buffer.length>1&&(this._buffer=[(0,l.xW)(this._buffer,this._bufferSize)]),this._cryptoSyncPattern){const t=this._buffer[0].indexOf(this._cryptoSyncPattern);if(-1!==t)this._buffer[0]=this._buffer[0].slice(t+this._cryptoSyncPattern.length),this._bufferSize-=t+this._cryptoSyncPattern.length,this._cryptoSyncPattern=null;else if(this._bufferSize+e.length>this._waitMaxBytes+this._cryptoSyncPattern.length)return this._debug("Error: could not resynchronize"),void this.destroy()}for(;this._bufferSize>=this._parserSize&&!this._cryptoSyncPattern;)if(0===this._parserSize)this._parser(new Uint8Array);else{const e=this._buffer[0];this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[e.slice(this._parserSize)]:[],this._parser(e.slice(0,this._parserSize))}t(null)}_callback(e,t,s){e&&(this._resetTimeout(!this.peerChoking&&!this._finished),e.callback(t,s))}_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,l.xW)([e,t])),this._parsePe3()}))}_parsePe2(){this._parse(96,(e=>{for(this._onPe2(e);!this._setGenerators;);this._parsePe4()}))}async _parsePe3(){const e=await(0,l.tW)((0,l.fk)(this._utfToHex("req1")+this._sharedSecret));this._parseUntil(e,512),this._parse(20,(e=>{for(this._onPe3(e);!this._setGenerators;);this._parsePe3Encrypted()}))}_parsePe3Encrypted(){this._parse(14,(e=>{const t=this._decryptHandshake(e.slice(0,8)),s=this._decryptHandshake(e.slice(8,12)),i=new DataView(this._decryptHandshake(e.slice(12,14)).buffer).getUint16(0);this._parse(i,(e=>{e=this._decryptHandshake(e),this._parse(2,(i=>{const n=new DataView(this._decryptHandshake(i).buffer).getUint16(0);this._parse(n,(i=>{i=this._decryptHandshake(i),this._onPe3Encrypted(t,s,e,i);const r=n?i[0]:null,o=n?i.slice(1,20):null;19===r&&"BitTorrent protocol"===(0,l.dU)(o)?this._onHandshakeBuffer(i.slice(1)):this._parseHandshake()}))}))}))}))}_parsePe4(){const e=this._decryptHandshake(x);this._parseUntil(e,512),this._parse(6,(e=>{const t=this._decryptHandshake(e.slice(0,4)),s=new DataView(this._decryptHandshake(e.slice(4,6)).buffer).getUint16(0);this._parse(s,(e=>{this._decryptHandshake(e),this._onPe4(t),this._parseHandshake(null)}))}))}_parseHandshake(){this._parse(1,(e=>{const t=e[0];if(19!==t)return this._debug("Error: wire not speaking BitTorrent protocol (%s)",t.toString()),void this.end();this._parse(t+48,this._onHandshakeBuffer)}))}_onHandshakeBuffer(e){const t=e.slice(0,19);if("BitTorrent protocol"!==(0,l.dU)(t))return this._debug("Error: wire not speaking BitTorrent protocol (%s)",(0,l.dU)(t)),void this.end();e=e.slice(19),this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(1&e[7]),fast:!!(4&e[7]),extended:!!(16&e[5])}),this._parse(4,this._onMessageLength)}_onFinish(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,(()=>{}));this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)}_debug(...e){e[0]=`[${this._debugId}] ${e[0]}`,u(...e)}_pull(e,t,s,i){for(let n=0;n<e.length;n++){const r=e[n];if(r.piece===t&&r.offset===s&&r.length===i)return d(e,n),r}return null}_encryptHandshake(e){const t=new Uint8Array(e);if(!this._encryptGenerator)return this._debug("Warning: Encrypting without any generator"),t;for(let s=0;s<e.length;s++){const e=this._encryptGenerator.randomByte();t[s]=t[s]^e}return t}_encrypt(e){const t=new Uint8Array(e);if(!this._encryptGenerator||2!==this._encryptionMethod)return t;for(let s=0;s<e.length;s++){const e=this._encryptGenerator.randomByte();t[s]=t[s]^e}return t}_decryptHandshake(e){const t=new Uint8Array(e);if(!this._decryptGenerator)return this._debug("Warning: Decrypting without any generator"),t;for(let s=0;s<e.length;s++){const e=this._decryptGenerator.randomByte();t[s]=t[s]^e}return t}_decrypt(e){const t=new Uint8Array(e);if(!this._decryptGenerator||2!==this._encryptionMethod)return t;for(let s=0;s<e.length;s++){const e=this._decryptGenerator.randomByte();t[s]=t[s]^e}return t}_utfToHex(e){return(0,l.V5)((0,l.L0)(e))}}const I=T},9639:(e,t,s)=>{s.d(t,{NJ:()=>_,V5:()=>o,dU:()=>f,HB:()=>y,xW:()=>h,LC:()=>l,tW:()=>S,fk:()=>a,Ht:()=>w,po:()=>E,L0:()=>g});const i="0123456789abcdef",n=[],r=[];for(let e=0;e<256;e++)n[e]=i[e>>4&15]+i[15&e],e<16&&(e<10?r[48+e]=e:r[87+e]=e);const o=e=>{const t=e.length;let s="",i=0;for(;i<t;)s+=n[e[i++]];return s},a=e=>{const t=e.length>>1,s=t<<1,i=new Uint8Array(t);let 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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 s;!t.address||t.address.endsWith(".local")?(s="Ignoring unsupported ICE candidate.",console.warn(s)):this.__destroy(J(e,"ERR_ADD_ICE_CANDIDATE"))}))}send(e){if(!this._destroying){if(this.destroyed)throw J(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(e)}}_needsNegotiation(){this._debug("_needsNegotiation"),this._batchedNegotiation||(this._batchedNegotiation=!0,queueMicrotask((()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1})))}negotiate(){if(!this._destroying){if(this.destroyed)throw J(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout((()=>{this._createOffer()}),0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}_final(e){this._readableState.ended||this.push(null),e(null)}__destroy(e){this.end(),this._destroy((()=>{}),e)}_destroy(e,t){this.destroyed||this._destroying||(this._destroying=!0,this._debug("destroying (error: %s)",t&&(t.message||t)),setTimeout((()=>{if(this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch(e){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(e){}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,t&&this.emit("error",t),e()}),0))}_setupData(e){if(!e.channel)return this.__destroy(J(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=e.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=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((s=>{const i=[];s.forEach((e=>{i.push(t(e))})),e(null,i)}),(t=>e(t))):this._pc.getStats.length>0?this._pc.getStats((s=>{if(this.destroyed)return;const i=[];s.result().forEach((e=>{const s={};e.names().forEach((t=>{s[t]=e.stat(t)})),s.id=e.id,s.type=e.type,s.timestamp=e.timestamp,i.push(t(s))})),e(null,i)}),(t=>e(t))):e(null,[])}_maybeReady(){if(this._debug("maybeReady pc %s channel %s",this._pcReady,this._channelReady),this._connected||this._connecting||!this._pcReady||!this._channelReady)return;this._connecting=!0;const e=()=>{this.destroyed||this._destroying||this.getStats(((t,s)=>{if(this.destroyed||this._destroying)return;t&&(s=[]);const i={},n={},r={};let o=!1;s.forEach((e=>{"remotecandidate"!==e.type&&"remote-candidate"!==e.type||(i[e.id]=e),"localcandidate"!==e.type&&"local-candidate"!==e.type||(n[e.id]=e),"candidatepair"!==e.type&&"candidate-pair"!==e.type||(r[e.id]=e)}));const a=e=>{o=!0;let t=n[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 s=i[e.remoteCandidateId];s&&(s.ip||s.address)?(this.remoteAddress=s.ip||s.address,this.remotePort=Number(s.port)):s&&s.ipAddress?(this.remoteAddress=s.ipAddress,this.remotePort=Number(s.portNumber)):"string"==typeof e.googRemoteAddress&&(s=e.googRemoteAddress.split(":"),this.remoteAddress=s[0],this.remotePort=Number(s[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(s.forEach((e=>{"transport"===e.type&&e.selectedCandidatePairId&&a(r[e.selectedCandidatePairId]),("googCandidatePair"===e.type&&"true"===e.googActiveConnection||("candidatepair"===e.type||"candidate-pair"===e.type)&&e.selected)&&a(e)})),o||Object.keys(r).length&&!Object.keys(n).length){if(this._connecting=!1,this._connected=!0,this._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,b.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=!!V,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 se=n(1035),ie=n(7541),ne=n(3278),re=n(8271),oe=n(6686),ae=n(7828),he=n(6889);const le=/^\[?([^\]]+)]?:(\d+)$/;let ce=new Map;function de(e){if(1e5===ce.size&&ce.clear(),!ce.has(e)){const t=le.exec(e);if(!t)throw new Error(`invalid addr: ${e}`);ce.set(e,[t[1],Number(t[2])])}return ce.get(e)}var ue=n(3033),pe=n(4497);async function*fe(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 s=t.chunkLength||e.chunkLength;if(!s)throw new Error("missing required `chunkLength` property");let i=t.length||e.length;if(!Number.isFinite(i))throw new Error("missing required `length` property");const n=t.offset||0,r=(t,s,i)=>new Promise(((n,r)=>{e.get(t,{offset:i,length:s},((e,t)=>{e&&r(e),n(t)}))}));let o=Math.floor(n/s);const a=n%s;if(n){const e=Math.min(i,s-a);i-=e,yield r(o++,e,a)}for(let e=i;e>0;++o,e-=s)yield r(o,Math.min(e,s))}async function me(e,t,s={}){if(!e?.put)throw new Error("First argument must be an abstract-chunk-store compliant store");const i=s.chunkLength||e.chunkLength;if(!i)throw new Error("missing required `chunkLength` property");const n=s.storeMaxOutstandingPuts||16;let r=0,o=0,a=()=>{},h=!1;for await(const l of u(t,i,{zeroPadding:s.zeroPadding||!1}))await new Promise((t=>{r++<=n&&t(),e.put(o++,l,(e=>{if(e)throw e;--r,t(),h&&0===r&&a()}))}));0!==r&&(h=new Promise((e=>{a=e})),await h)}var ge=n(4018),_e=n(3970),ye=n(3519),we=n(1551);const be={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},...n.t(we,2)};var ve=n(826),ke=n(61),xe=n(2701);const Se=I("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,b.V5)((0,b.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 w((()=>this.destroy(e)))}}this._ws.binaryType="arraybuffer",e.socket&&this.connected?w((()=>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,b.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 Pe=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())}},Ae=I("bittorrent-tracker:websocket-tracker"),Te={};class Ie extends Pe{constructor(e,t){super(e,t),Ae("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 s=Math.min(e.numwant,5);this._generateOffers(s,(e=>{t.numwant=s,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,b.Ht)(e))):e.infoHash&&(0,b.Ht)(e.infoHash)||this.client._infoHashBinary};this._send(t)}destroy(e=Le){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,s=Te[this.announceUrl];if(delete Te[this.announceUrl],s.on("error",Le),s.once("close",e),!this.expectingResponse)return i();function i(){t&&(clearTimeout(t),t=null),s.removeListener("data",i),s.destroy(),s=null}t=setTimeout(i,be.DESTROY_TIMEOUT),s.once("data",i)}_openSocket(){if(this.destroyed=!1,this.peers||(this.peers={}),this._onSocketConnectBound=()=>{this._onSocketConnect()},this._onSocketErrorBound=e=>{this._onSocketError(e)},this._onSocketDataBound=e=>{this._onSocketData(e)},this._onSocketCloseBound=()=>{this._onSocketClose()},this.socket=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,b.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 Ae("ignoring websocket data from %s for %s (looking for %s: reused socket)",this.announceUrl,(0,b.HB)(e.info_hash),this.client.infoHash);if(e.peer_id&&e.peer_id===this.client._peerIdBinary)return;Ae("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 s=e["warning message"];s&&this.client.emit("warning",new Error(s));const i=e.interval||e["min interval"];i&&this.setInterval(1e3*i);const n=e["tracker id"];if(n&&(this._trackerId=n),null!=e.complete){const t=Object.assign({},e,{announce:this.announceUrl,infoHash:(0,b.HB)(e.info_hash)});this.client.emit("update",t)}let r;if(e.offer&&e.peer_id&&(Ae("creating peer (from remote offer)"),r=this._createPeer(),r.id=(0,b.HB)(e.peer_id),r.once("signal",(t=>{const s={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&&(s.trackerid=this._trackerId),this._send(s)})),this.client.emit("peer",r),r.signal(e.offer)),e.answer&&e.peer_id){const t=(0,b.HB)(e.offer_id);r=this.peers[t],r?(r.id=(0,b.HB)(e.peer_id),this.client.emit("peer",r),r.signal(e.answer),clearTimeout(r.trackerTimeout),r.trackerTimeout=null,delete this.peers[t]):Ae(`got unexpected answer: ${JSON.stringify(e.answer)}`)}}_onScrapeResponse(e){e=e.files||{};const t=Object.keys(e);0!==t.length?t.forEach((t=>{const s=Object.assign(e[t],{announce:this.announceUrl,infoHash:(0,b.HB)(t)});this.client.emit("scrape",s)})):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(),Ae("reconnecting socket in %s ms",e)}_send(e){if(this.destroyed)return;this.expectingResponse=!0;const t=JSON.stringify(e);Ae("send %s",t),this.socket.send(t)}_generateOffers(e,t){const s=this,i=[];Ae("generating %s offers",e);for(let t=0;t<e;++t)n();function n(){const e=(0,b.V5)((0,b.po)(20));Ae("creating peer (from _generateOffers)");const t=s.peers[e]=s._createPeer({initiator:!0});t.once("signal",(t=>{i.push({offer:t,offer_id:(0,b.Ht)(e)}),r()})),t.trackerTimeout=setTimeout((()=>{Ae("tracker timeout: destroying peer"),t.trackerTimeout=null,delete s.peers[e],t.destroy()}),5e4),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function r(){i.length===e&&(Ae("generated %s offers",e),t(i))}r()}_createPeer(e){const t=this;e=Object.assign({trickle:!1,config:t.client._rtcConfig,wrtc:t.client._wrtc},e);const s=new te(e);return s.once("error",i),s.once("connect",(function e(){s.removeListener("error",i),s.removeListener("connect",e)})),s;function i(e){t.client.emit("warning",new Error(`Connection error: ${e.message}`)),s.destroy()}}}function Le(){}Ie.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,Ie._socketPool=Te;const Re=Ie;var Oe=n(717);const He=I("bittorrent-tracker:client");class Ne 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(!Oe.browser&&!e.port)throw new Error("Option `port` is required");this.peerId="string"==typeof e.peerId?e.peerId:(0,b.V5)(e.peerId),this._peerIdBuffer=(0,b.fk)(this.peerId),this._peerIdBinary=(0,b.Ht)(this.peerId),this.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():(0,b.V5)(e.infoHash),this._infoHashBuffer=(0,b.fk)(this.infoHash),this._infoHashBinary=(0,b.Ht)(this.infoHash),He("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,b.dU)(e)),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e))),t=Array.from(new Set(t));const s=!1!==this._wrtc&&(!!this._wrtc||te.WEBRTC_SUPPORT),i=e=>{w((()=>{this.emit("warning",e)}))};this._trackers=t.map((e=>{let t;try{t=be.parseUrl(e)}catch(t){return i(new Error(`Invalid tracker URL: ${e}`)),null}const n=t.port;if(n<0||n>65535)return i(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||!s||"ws:"===r&&"undefined"!=typeof window&&"https:"===window.location.protocol?(i(new Error(`Unsupported tracker protocol: ${e}`)),null):new Re(this,e):new ve(this,e)})).filter(Boolean)}start(e){(e=this._defaultAnnounceOpts(e)).event="started",He("send `start` %o",e),this._announce(e),this._trackers.forEach((e=>{e.setInterval()}))}stop(e){(e=this._defaultAnnounceOpts(e)).event="stopped",He("send `stop` %o",e),this._announce(e)}complete(e){e||(e={}),(e=this._defaultAnnounceOpts(e)).event="completed",He("send `complete` %o",e),this._announce(e)}update(e){(e=this._defaultAnnounceOpts(e)).event&&delete e.event,He("send `update` %o",e),this._announce(e)}_announce(e){this._trackers.forEach((t=>{t.announce(e)}))}scrape(e){He("send `scrape`"),e||(e={}),this._trackers.forEach((t=>{t.scrape(e)}))}setInterval(e){He("setInterval %d",e),this._trackers.forEach((t=>{t.setInterval(e)}))}destroy(e){if(this.destroyed)return;this.destroyed=!0,He("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=be.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),this._getAnnounceOpts&&(e=Object.assign({},e,this._getAnnounceOpts())),e}}Ne.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 s=Object.assign({},e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:(0,b.L0)("01234567890123456789"),port:6881}),i=new Ne(s);i.once("error",t),i.once("warning",t);let n=Array.isArray(e.infoHash)?e.infoHash.length:1;const r={};return i.on("scrape",(e=>{if(n-=1,r[e.infoHash]=e,0===n){i.destroy();const e=Object.keys(r);1===e.length?t(null,r[e[0]]):t(null,r)}})),i.scrape({infoHash:e.infoHash}),i};const Me=Ne;n(7936);var Ue=n(2799),je=n(717);const Be=I("torrent-discovery");class Fe 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(!je.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 s=new _e.Client(t);return s.on("warning",this._onWarning),s.on("error",this._onError),s.listen(e),this._internalDHT=!0,s};!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 Ue?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 Me(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||(Be("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,(e=>{this._dhtAnnouncing=!1,Be("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 Ue(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.on("peer",this._onLSDPeer),t.start(),t}}const De=Fe;const qe=/[<>:"/\\|?*\u0000-\u001F]/g;"undefined"!=typeof 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at(e,t){if(!(e instanceof IDBDatabase)||t in e||"string"!=typeof t)return;if(ot.get(t))return ot.get(t);const s=t.replace(/FromIndex$/,""),i=t!==s,n=rt.includes(s);if(!(s in(i?IDBIndex:IDBObjectStore).prototype)||!n&&!nt.includes(s))return;const r=async function(e,...t){const r=this.transaction(e,n?"readwrite":"readonly");let o=r.store;return i&&(o=o.index(t.shift())),(await Promise.all([o[s](...t),n&&r.done]))[0]};return ot.set(t,r),r}Ze=(e=>({...e,get:(t,s,i)=>at(t,s)||e.get(t,s,i),has:(t,s)=>!!at(t,s)||e.has(t,s)}))(Ze);class ht extends o{constructor(e,t){if(t||(t={}),super(),this.chunkLength=Number(e),!this.chunkLength)throw new Error("First argument must be a chunk 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i=e===this.lastChunkIndex;return i&&t.length!==this.lastChunkLength?w((()=>s(new Error("Last chunk length must be "+this.lastChunkLength)))):i||t.length===this.chunkLength?(0===t.byteOffset&&t.byteLength===t.buffer.byteLength||(t=t.slice()),void(async()=>{try{const s=await this.dbPromise;await s.put("chunks",t,e)}catch(e){return void s(e)}s(null)})()):w((()=>s(new Error("Chunk length must be "+this.chunkLength))))}get(e,t,s=((e,t)=>{})){return"function"==typeof t?this.get(e,{},t):(t||(t={}),this.closed?w((()=>s(new Error("Storage is closed")))):void(async()=>{let i;try{const t=await this.dbPromise;i=await t.get("chunks",e)}catch(e){return void s(e)}if(null==i){const e=new Error("Chunk not found");return e.notFound=!0,void s(e)}const n=t.offset||0,r=t.length||i.length-n;0===n&&r===i.length||(i=i.slice(n,r+n)),s(null,i)})())}close(e=(e=>{})){if(this.closed)return w((()=>e(new Error("Storage is closed"))));this.closed=!0,(async()=>{try{(await this.dbPromise).close()}catch(t){return void e(t)}e(null)})()}destroy(e=(e=>{})){return this.closed?w((()=>e(new Error("Storage is closed")))):this.destroyed?w((()=>e(new Error("Storage is destroyed")))):(this.destroyed=!0,void this.close((async t=>{if(t)e(t);else{try{await function(e,{blocked:t}={}){const s=indexedDB.deleteDatabase(e);return t&&s.addEventListener("blocked",(e=>t(e.oldVersion,e))),st(s).then((()=>{}))}(this.name)}catch(t){return void e(t)}e(null)}})))}}var lt=n(4862);const ct="undefined"!=typeof chrome&&!!chrome.loadTimes?1/0:2130706432,dt="undefined"!=typeof navigator&&navigator.storage?.getDirectory&&"undefined"!=typeof FileSystemFileHandle&&FileSystemFileHandle?.prototype?.createWritable,ut=()=>{};class pt{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||ct,this.fallbackStore=null,this.dataStore=null,this.chunkCount=0,this.stores=[],this._init(t),this.dataStore&&(t.max>0&&(this.dataStore=new pe(this.dataStore,{max:t.max})),this.stores.push(this.dataStore)),this.stores.push(this.fallbackStore)}_init(e){if(e.onlyMem||this.limit<this.chunkLength)return void(this.fallbackStore=new lt(this.chunkLength,e));const t=dt?$e:ht;if(this.limit>=this.length)return void(this.fallbackStore=new t(this.chunkLength,e));this.chunkCount=Math.floor(Math.min(this.length,this.limit)/this.chunkLength);const s=this.chunkCount*this.chunkLength,i=this.length-s;this.dataStore=new t(this.chunkLength,{...e,length:s}),this.fallbackStore=new lt(this.chunkLength,{...e,length:i})}get(e,t,s){e>=this.chunkCount?this.fallbackStore.get(e-this.chunkCount,t,s):this.dataStore.get(e,t,s)}put(e,t,s){e>=this.chunkCount?this.fallbackStore.put(e-this.chunkCount,t,s):this.dataStore.put(e,t,s)}close(e=ut){Promise.all(this.stores.map((e=>new Promise((t=>e.close(t)))))).then((t=>{const s=t.find((e=>e));e(s)}))}destroy(e=ut){Promise.all(this.stores.map((e=>new Promise((t=>e.destroy(t)))))).then((t=>{const s=t.find((e=>e));e(s)}))}}var ft=n(3714),mt=n(1314);const gt=I("lt_donthave"),_t=()=>{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)&&(gt("got donthave %d",t),this._wire.peerPieces.set(t,!1),this.emit("donthave",t),this._failRequests(t))}donthave(e){if(!this._peerSupports)return;gt("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 s=0;s<t.length;s++){const i=t[s];i.piece===e&&(mt(t,s),s-=1,this._wire._callback(i,new Error("peer sent donthave"),null))}}}return e.prototype.name="lt_donthave",e};var yt=n(5372);const wt=16384;class bt{constructor(e){this.length=e,this.missing=e,this.sources=null,this._chunks=Math.ceil(e/wt),this._remainder=e%wt||wt,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}chunkLength(e){return e===this._chunks-1?this._remainder:wt}chunkLengthRemaining(e){return this.length-e*wt}chunkOffset(e){return e*wt}reserve(){return this.init()?this._cancellations.length?this._cancellations.pop():this._reservations<this._chunks?this._reservations++:-1:-1}reserveRemaining(){if(!this.init())return-1;if(this._cancellations.length||this._reservations<this._chunks){let e=this._reservations;for(;this._cancellations.length;)e=Math.min(e,this._cancellations.pop());return this._reservations=this._chunks,e}return-1}cancel(e){this.init()&&this._cancellations.push(e)}cancelRemaining(e){this.init()&&(this._reservations=e)}get(e){return this.init()?this._buffer[e]:null}set(e,t,s){if(!this.init())return!1;const i=t.length,n=Math.ceil(i/wt);for(let i=0;i<n;i++)if(!this._buffer[e+i]){const n=i*wt,r=t.slice(n,n+wt);this._buffered++,this._buffer[e+i]=r,this.missing-=r.length,this.sources.includes(s)||this.sources.push(s)}return this._buffered===this._chunks}flush(){if(!this._buffer||this._chunks!==this._buffered)return null;const e=(0,b.xW)(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,e}init(){return!this._flushed&&(this._buffer||(this._buffer=new Array(this._chunks),this._cancellations=[],this.sources=[]),!0)}}bt.BLOCK_LENGTH=wt;var vt=n(7373);const kt=I("ut_metadata"),xt=16384,St=e=>{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,s){this._infoHash=e}onExtendedHandshake(e){return e.m&&e.m.ut_metadata?e.metadata_size?"number"!=typeof e.metadata_size||1e7<e.metadata_size||e.metadata_size<=0?this.emit("warning",new Error("Peer gave invalid metadata size")):(this._metadataSize=e.metadata_size,this._numPieces=Math.ceil(this._metadataSize/xt),this._remainingRejects=2*this._numPieces,void this._requestPieces()):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))}onMessage(e){let t,s;try{const i=(0,b.dU)(e),n=i.indexOf("ee")+2;t=d.A.decode(i.substring(0,n)),s=e.slice(n)}catch(e){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,s,t.total_size);break;case 2:this._onReject(t.piece)}}fetch(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())}cancel(){this._fetching=!1}async setMetadata(e){if(this._metadataComplete)return!0;kt("set metadata");try{const t=d.A.decode(e).info;t&&(e=d.A.encode(t))}catch(e){}return(!this._infoHash||this._infoHash===await(0,b.tW)(e,"hex"))&&(this.cancel(),this.metadata=e,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",d.A.encode({info:d.A.decode(this.metadata)})),!0)}_send(e,t){let s=d.A.encode(e);ArrayBuffer.isView(t)&&(s=(0,b.xW)([s,t])),this._wire.extended("ut_metadata",s)}_request(e){this._send({msg_type:0,piece:e})}_data(e,t,s){const i={msg_type:1,piece:e};"number"==typeof s&&(i.total_size=s),this._send(i,t)}_reject(e){this._send({msg_type:2,piece:e})}_onRequest(e){if(!this._metadataComplete)return void this._reject(e);const t=e*xt;let s=t+xt;s>this._metadataSize&&(s=this._metadataSize);const i=this.metadata.slice(t,s);this._data(e,i,this._metadataSize)}_onData(e,t,s){t.length>xt||!this._fetching||(this.metadata.set(t,e*xt),this._bitfield.set(e),this._checkDone())}_onReject(e){this._remainingRejects>0&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("warning",new Error('Peer sent "reject" too much'))}_requestPieces(){if(this._fetching){this.metadata=new Uint8Array(this._metadataSize);for(let e=0;e<this._numPieces;e++)this._request(e)}}async _checkDone(){let e=!0;for(let t=0;t<this._numPieces;t++)if(!this._bitfield.get(t)){e=!1;break}if(!e)return;await this.setMetadata(this.metadata)||this._failedMetadata()}_failedMetadata(){this._bitfield=new ue.A(0,{grow:1e3}),this._remainingRejects-=this._numPieces,this._remainingRejects>0?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return t.prototype.name="ut_metadata",t};var Et=n(8878),Ct=n(1133);const Pt=I("webtorrent:file-iterator");class At extends o{constructor(e,{start:t,end:s}){super(),this._torrent=e._torrent,this._pieceLength=e._torrent.pieceLength,this._startPiece=(t+e.offset)/this._pieceLength|0,this._endPiece=(s+e.offset)/this._pieceLength|0,this._piece=this._startPiece,this._offset=t+e.offset-this._startPiece*this._pieceLength,this._missing=s-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 s=(i,n)=>{if(!this._torrent.bitfield.get(i)){const e=t=>{(t===i||this.destroyed)&&(this._torrent.removeListener("verified",e),s(i,n))};return this._torrent.on("verified",e),this._torrent.critical(i,i+this._criticalLength)}if(this._torrent.destroyed)return t(new Error("Torrent removed"));this._torrent.store.get(i,n,((s,n)=>this.destroyed?e({done:!0}):(Pt("read %s and yielding (length %s) (err %s)",i,n?.length,s?.message),s?t(s):void e({value:n,done:!1}))))},i=Math.min(this._missing,this._pieceLength-this._offset);s(this._piece++,{length:i,offset:this._offset}),this._missing-=i,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 Tt 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 s=t.offset,i=s+t.length-1;this._startPiece=s/this._torrent.pieceLength|0,this._endPiece=i/this._torrent.pieceLength|0,0===this.length&&(this.done=!0,this.emit("done")),this._client=e.client}get downloaded(){if(this._destroyed||!this._torrent.bitfield)return 0;const{pieces:e,bitfield:t,pieceLength:s,lastPieceLength:i}=this._torrent,{_startPiece:n,_endPiece:r}=this,o=n=>{const r=n===e.length-1?i:s;return t.get(n)?r:r-e[n].missing};let a=0;for(let t=n;t<=r;t+=1){const h=o(t);if(a+=h,t===n){const e=this.offset%s;a-=Math.min(e,h)}if(t===r){const t=(r===e.length-1?i:s)-(this.offset+this.length)%s;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??{},s=e?.end&&e.end<this.length?e.end:this.length-1;if(this.done)return fe(this._torrent.store,{offset:t+this.offset,length:s-t+1});const i=new At(this,{start:t,end:s});return this._iterators.add(i),i.once("return",(()=>{this._iterators.delete(i)})),i}createReadStream(e){const t=this[Symbol.asyncIterator](e),s=Y.Readable.from(t);return this._fileStreams.add(s),s.once("close",(()=>{this._fileStreams.delete(s)})),s}async arrayBuffer(e){const t=new Uint8Array(this.length);let s=0;for await(const i of this[Symbol.asyncIterator](e))t.set(i,s),s+=i.length;return t.buffer}async blob(e){return new Blob([await this.arrayBuffer(e)],{type:this.type})}stream(e){let t;return new ReadableStream({start:()=>{t=this[Symbol.asyncIterator](e)},async pull(e){const{value:s,done:i}=await t.next();i?e.close():e.enqueue(s)},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 It=n(5658);class Lt{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=[],s=1/0;for(let i=0;i<this._numPieces;++i){if(e&&!e(i))continue;const n=this._pieces[i];n===s?t.push(i):n<s&&(t=[i],s=n)}return t.length?t[Math.random()*t.length|0]:-1}destroy(){this._torrent.removeListener("wire",this._onWire),this._torrent.wires.forEach((e=>{this._cleanupWireEvents(e)})),this._torrent=null,this._pieces=null,this._onWire=null,this._onWireHave=null,this._onWireBitfield=null}_initWire(e){e._onClose=()=>{this._cleanupWireEvents(e);for(let t=0;t<this._numPieces;++t)this._pieces[t]-=e.peerPieces.get(t)},e.on("have",this._onWireHave),e.on("bitfield",this._onWireBitfield),e.once("close",e._onClose)}recalculate(){this._pieces.fill(0);for(const e of this._torrent.wires)for(let t=0;t<this._numPieces;++t)this._pieces[t]+=e.peerPieces.get(t)}_cleanupWireEvents(e){e.removeListener("have",this._onWireHave),e.removeListener("bitfield",this._onWireBitfield),e._onClose&&e.removeListener("close",e._onClose),e._onClose=null}}var Rt=n(4343),Ot=n(6458),Ht=n(6819);const Nt=I("webtorrent:webconn");class Mt extends Ot.A{constructor(e,t){super(),this.url=e,this.connId=e,this._torrent=t,this._init(e)}_init(e){this.setKeepAlive(!0),this.use(_t()),this.once("handshake",(async(t,s)=>{const i=await(0,b.tW)(e,"hex");if(this.destroyed)return;this.handshake(t,i);const n=this._torrent.pieces.length,r=new ue.A(n);for(let e=0;e<=n;e++)r.set(e,!0);this.bitfield(r)})),this.once("interested",(()=>{Nt("interested"),this.unchoke()})),this.on("uninterested",(()=>{Nt("uninterested")})),this.on("choke",(()=>{Nt("choke")})),this.on("unchoke",(()=>{Nt("unchoke")})),this.on("bitfield",(()=>{Nt("bitfield")})),this.lt_donthave.on("donthave",(()=>{Nt("donthave")})),this.on("request",((e,t,s,i)=>{Nt("request pieceIndex=%d offset=%d length=%d",e,t,s),this.httpRequest(e,t,s,((t,s)=>{if(t){this.lt_donthave.donthave(e);const t=setTimeout((()=>{this.destroyed||this.have(e)}),1e4);t.unref&&t.unref()}i(t,s)}))}))}async httpRequest(e,t,s,i){i=ye(i);const n=e*this._torrent.pieceLength+t,r=n+s-1,o=this._torrent.files;let a,h;if(o.length<=1)a=[{url:this.url,start:n,end:r}];else{const e=o.filter((e=>e.offset<=r&&e.offset+e.length>n));if(e.length<1)return i(new Error("Could not find file corresponding to web seed range request"));a=e.map((e=>{const t=e.offset+e.length-1;return{url:this.url+("/"===this.url[this.url.length-1]?"":"/")+e.path.replace(this._torrent.path,""),fileOffsetInRange:Math.max(e.offset-n,0),start:Math.max(n-e.offset,0),end:Math.min(t,r-e.offset)}}))}try{h=await Promise.all(a.map((async({start:i,end:n,url:r})=>{Nt("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",r,e,t,s,i,n);const o=await H(r,{cache:"no-store",method:"GET",headers:{"Cache-Control":"no-store","user-agent":`WebTorrent/${Ht} (https://webtorrent.io)`,range:`bytes=${i}-${n}`},signal:AbortSignal.timeout(6e4)});if(!o.ok)throw new Error(`Unexpected HTTP status code ${o.status}`);const a=new Uint8Array(await o.arrayBuffer());return Nt("Got data of length %d",a.length),a})))}catch(e){return i(e)}i(null,(0,b.xW)(h))}destroy(){super.destroy(),this._torrent=null}}class Ut{_items=[];remove(e){for(let t=0;t<this._items.length;t++){const s=this._items[t];if(s.isStreamSelection){if(!e.isStreamSelection)continue;if(s.from===e.from&&s.to===e.to){this._items.splice(t,1);break}}else if(jt(e,s))s.to=Math.max(e.from-1,0);else if(Bt(e,s))s.from=e.to+1;else if(Ft(e,s)){const i=[],n={...s,to:Math.max(e.from-1,0)};n.to-n.from>=0&&0!==e.from&&i.push(n);const r={...s,from:e.to+1};r.to-r.from>=0&&i.push(r),this._items.splice(t,1,...i),t=t-1+i.length}else Dt(e,s)&&(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,s=[];for(const t of this._items)t.notify&&qt(e,t)&&s.push(t.notify);s.length>0&&(e.notify=()=>{s.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 s=this._items[e];this._items[e]=this._items[t],this._items[t]=s}clear(){this._items.length=0}*[Symbol.iterator](){for(let e=0;e<this._items.length;e++){const t=this._items[e];t.remove=()=>{this._items.splice(e,1),e--},yield t,delete t.remove}}}function jt(e,t){return e.from<=t.to&&e.from>t.from&&e.to>t.to}function Bt(e,t){return e.to>=t.from&&e.to<t.to&&e.from<t.from}function Ft(e,t){const s=t.to-t.from,i=e.to-e.from;return e.from>=t.from&&e.to<=t.to&&i<s}function Dt(e,t){return e.from<=t.from&&e.to>=t.to}const qt=(e,t)=>()=>jt(e,t)||Bt(e,t)||Ft(e,t)||Dt(e,t);var Wt=n(717);const $t=I("webtorrent:torrent"),zt=5e3,Vt=3*bt.BLOCK_LENGTH,Gt=Wt.browser?ge().length:2,Kt=[1e3,5e3,15e3],Yt=`WebTorrent/${Ht} (https://webtorrent.io)`;let Jt;try{Jt=l(oe.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){Jt=l("function"==typeof he.tmpdir?he.tmpdir():"/","webtorrent")}const Xt="undefined"!=typeof window&&"function"==typeof window.requestIdleCallback&&window.requestIdleCallback;class Qt extends o{constructor(e,t,s){super(),this._debugId="unknown infohash",this.client=t,this.announce=s.announce,this.urlList=s.urlList,this.path=s.path||Jt,this.addUID=s.addUID||!1,this.rootDir=s.rootDir||null,this.skipVerify=!!s.skipVerify,this._store=s.store||pt,this._preloadedStore=s.preloadedStore||null,this._storeCacheSlots=void 0!==s.storeCacheSlots?s.storeCacheSlots:20,this._destroyStoreOnDestroy=s.destroyStoreOnDestroy||!1,this.store=null,this.storeOpts=s.storeOpts,this.alwaysChokeSeeders=s.alwaysChokeSeeders??!0,this._getAnnounceOpts=s.getAnnounceOpts,"boolean"==typeof s.private&&(this.private=s.private),this.strategy=s.strategy||"sequential",this.maxWebConns=s.maxWebConns||4,this._rechokeNumSlots=!1===s.uploads||0===s.uploads?0:+s.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this._noPeersIntervalId=null,this._noPeersIntervalTime=s.noPeersIntervalTime?1e3*s.noPeersIntervalTime:3e4,this._startAsDeselected=s.deselect||!1,this.ready=!1,this.destroyed=!1,this.paused=s.paused||!1,this.done=!1,this.metadata=null,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=new Ut,this._critical=[],this.wires=[],this._queue=[],this._peers={},this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=se(),this._uploadSpeed=se(),this._servers=[],this._xsRequests=[],this._fileModtimes=s.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,s=this.pieces.length;t<s;++t)if(this.bitfield.get(t))e+=t===s-1?this.lastPieceLength:this.pieceLength;else{const s=this.pieces[t];e+=s.length-s.missing}return e}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){return this.length?this.downloaded/this.length:0}get ratio(){return this.uploaded/(this.received||this.length)}get numPeers(){return this.wires.length}get torrentFileBlob(){return this.torrentFile?new Blob([this.torrentFile],{type:"application/x-bittorrent"}):null}get _numQueued(){return this._queue.length+(this._peersLength-this._numConns)}get _numConns(){let e=0;for(const t in this._peers)this._peers[t].connected&&(e+=1);return e}async _onTorrentId(e){if(this.destroyed)return;let t;try{t=await W(e)}catch(e){}t?(this.infoHash=t.infoHash,this._debugId=(0,b.V5)(t.infoHash).substring(0,7),w((()=>{this.destroyed||this._onParsedTorrent(t)}))):F(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,b.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,b.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,It.default.SOURCE_MANUAL))),this.discovery=new De({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:e,port:this.client.torrentPort,userAgent:Yt,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={[It.default.SOURCE_TRACKER]:{enabled:!!this.client.tracker,numPeers:0},[It.default.SOURCE_DHT]:{enabled:!!this.client.dht,numPeers:0},[It.default.SOURCE_LSD]:{enabled:!!this.client.lsd,numPeers:0},[It.default.SOURCE_UT_PEX]:{enabled:this.client.utPex&&"function"==typeof Et,numPeers:0}};for(const t of Object.values(this._peers)){const s=e[t.source];void 0!==s&&s.numPeers++}for(const t of Object.keys(e)){const s=e[t];s.enabled&&0===s.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 s=e._xsRequestsController.signal,i=t.map((t=>i=>{!async function(t,i){if(0!==t.indexOf("http://")&&0!==t.indexOf("https://"))return e.emit("warning",new Error(`skipping non-http xs param: ${t}`)),i(null);const n={method:"GET",headers:{"user-agent":Yt},signal:s};let r,o,a;try{r=await H(t,n)}catch(s){return e.emit("warning",new Error(`http error from xs param: ${t}`)),i(null)}if(e.destroyed)return i(null);if(e.metadata)return i(null);if(200!==r.status)return e.emit("warning",new Error(`non-200 status code ${r.status} from xs param: ${t}`)),i(null);try{o=new Uint8Array(await r.arrayBuffer())}catch(t){return e.emit("warning",t),i(null)}try{a=await W(o)}catch(e){}if(!a)return e.emit("warning",new Error(`got invalid torrent file from xs param: ${t}`)),i(null);if(a.infoHash!==e.infoHash)return e.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${t}`)),i(null);e._onMetadata(a),i(null)}(t,i)}));y(i)}async _onMetadata(e){if(this.metadata||this.destroyed)return;let t;if(this._debug("got metadata"),this._xsRequestsController?.abort(),this._xsRequestsController=null,e&&e.infoHash)t=e;else try{t=await 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 Lt(this),this.files=this.files.map((e=>new Tt(this,e)));let s=this._preloadedStore;if(s||(s=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&&!(s instanceof lt||s instanceof pt)&&(s=new pe(s,{max:this._storeCacheSlots})),this.store=new ft(s),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 s=t===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new bt(s)})),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===pt?this.getFileModtimes(((t,s)=>{if(t)return this._destroy(t);this.files.map(((e,t)=>s[t]===this._fileModtimes[t])).every((e=>e))?(this._markAllVerified(),this._onStore()):this._verifyPieces(e)})):this._verifyPieces(e)}}getFileModtimes(e){const t=[];yt(this.files.map(((e,s)=>i=>{const n=this.addUID?l(this.name+" - "+this.infoHash.slice(0,8)):l(this.path,e.path);oe.stat(n,((e,n)=>{if(e&&"ENOENT"!==e.code)return i(e);t[s]=n&&n.mtime.getTime(),i(null)}))})),Gt,(s=>{this._debug("done getting file modtimes"),e(s,t)}))}_verifyPieces(e){yt(this.pieces.map(((e,t)=>e=>{if(this.destroyed)return e(new Error("torrent is destroyed"));const s={};t===this.pieces.length-1&&(s.length=this.lastPieceLength),this.store.get(t,s,(async(s,i)=>{if(this.destroyed)return e(new Error("torrent is destroyed"));if(s)return w((()=>e(null)));const n=await(0,b.tW)(i,"hex");if(this.destroyed)return e(new Error("torrent is destroyed"));n===this._hashes[t]?(this._debug("piece verified %s",t),this._markVerified(t)):(this._markUnverified(t),this._debug("piece invalid %s",t)),e(null)}))})),Gt,e)}rescanFiles(e){if(this.destroyed)throw new Error("torrent is destroyed");e||(e=es),this._verifyPieces((t=>{if(t)return this._destroy(t),e(t);this._checkDone(),e(null)}))}_markAllVerified(){for(let e=0;e<this.pieces.length;e++)this._markVerified(e)}_markVerified(e){this.pieces[e]=null,this._reservations[e]=null,this.bitfield.set(e,!0),this.emit("verified",e)}_markUnverified(e){const t=e===this.pieces.length-1?this.lastPieceLength:this.pieceLength;this.pieces[e]=new bt(t),this.bitfield.set(e,!1),this._startAsDeselected||this.select(e,e,1),this.files.forEach((t=>{t.done&&t.includes(e)&&(t.done=!1)}))}_hasAllPieces(){for(let e=0;e<this.pieces.length;e++)if(!this.bitfield.get(e))return!1;return!0}_hasNoPieces(){return!this._hasMorePieces(0)}_hasMorePieces(e){let t=0;for(let s=0;s<this.pieces.length;s++)if(this.bitfield.get(s)&&(t+=1,t>e))return!0;return!1}_onStore(){this.destroyed||(this._debug("on store"),this._startDiscovery(),this.ready=!0,this.emit("ready"),this._checkDone(),this._updateSelections(),this.wires.forEach((e=>{e.ut_metadata&&e.ut_metadata.setMetadata(this.metadata),this._onWireWithMetadata(e)})))}destroy(e,t){if("function"==typeof e)return this.destroy(null,e);this._destroy(null,e,t)}_destroy(e,t,s){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 Tt&&e._destroy()}));const i=this._servers.map((e=>t=>{e.destroy(t)}));if(this.discovery&&i.push((e=>{this.discovery.destroy(e)})),this.store){let e=this._destroyStoreOnDestroy;t&&void 0!==t.destroyStore&&(e=t.destroyStore),i.push((t=>{e?this.store.destroy(t):this.store.close(t)}))}y(i,s),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 s;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}s=t[0]}else"string"==typeof e.remoteAddress&&(s=e.remoteAddress);if(s&&this.client.blocked.contains(s))return this._debug("ignoring peer: blocked %s",e),"string"!=typeof e&&e.destroy(),this.emit("blockedPeer",e),!1}const i=this.client.utp&&this._isIPv4(s)?"utp":"tcp",n=!!this._addPeer(e,i,t);return n?this.emit("peer",e):this.emit("invalidPeer",e),n}_addPeer(e,t,s){if(this.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!this._validAddr(e))return this._debug("ignoring peer: invalid %s",e),null;const i=e&&e.id||e;if(this._peers[i])return this._debug("ignoring peer: duplicate (%s)",i),"string"!=typeof e&&e.destroy(),null;if(this.paused)return this._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null;let n;return this._debug("add peer %s",i),n="string"==typeof e?"utp"===t?It.default.createUTPOutgoingPeer(e,this,this.client.throttleGroups):It.default.createTCPOutgoingPeer(e,this,this.client.throttleGroups):It.default.createWebRTCPeer(e,this,this.client.throttleGroups),this._registerPeer(n),"string"==typeof e&&(this._queue.push(n),this._drain()),n}addWebSeed(e){if(this.destroyed)throw new Error("torrent is destroyed");let t,s;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);s=new Mt(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(s=e,t=s.connId,this._peers[t])return this.emit("warning",new Error(`ignoring duplicate web seed: ${t}`)),void this.emit("invalidPeer",t)}this._debug("add web seed %s",t);const i=It.default.createWebSeedPeer(s,t,this,this.client.throttleGroups);this._registerPeer(i),this.emit("peer",t)}_addIncomingPeer(e){return this.destroyed?e.destroy(new Error("torrent is destroyed")):this.paused?e.destroy(new Error("torrent is paused")):(this._debug("add incoming peer %s",e.id),void this._registerPeer(e))}_registerPeer(e){e.on("download",(e=>{this.destroyed||(this.received+=e,this._downloadSpeed(e),this.client._downloadSpeed(e),this.emit("download",e),this.destroyed||this.client.emit("download",e))})),e.on("upload",(e=>{this.destroyed||(this.uploaded+=e,this._uploadSpeed(e),this.client._uploadSpeed(e),this.emit("upload",e),this.destroyed||this.client.emit("upload",e))})),this._peers[e.id]=e,this._peersLength+=1}removePeer(e){const t=e?.id||e;e&&!e.id&&(e=this._peers?.[t]),e&&(e.destroy(),this.destroyed||(this._debug("removePeer %s",t),delete this._peers[t],this._peersLength-=1,this._drain()))}_select(e,t,s,i,n=!1){if(this.destroyed)throw new Error("torrent is destroyed");if(e<0||t<e||this.pieces.length<=t)throw new Error(`invalid selection ${e} : ${t}`);s=Number(s)||0,this._debug("select %s-%s (priority %s)",e,t,s),this._selections.insert({from:e,to:t,offset:0,priority:s,notify:i,isStreamSelection:n}),this._selections.sort(((e,t)=>t.priority-e.priority)),this._updateSelections()}select(e,t,s,i){this._select(e,t,s,i,!1)}_deselect(e,t,s=!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:s}),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 s=e;s<=t;++s)this._critical[s]=!0;this._updateSelections()}_onWire(e,t){if(this._debug("got wire %s (%s)",e._debugId,t||"Unknown"),this.wires.push(e),t){const s=de(t);e.remoteAddress=s[0],e.remotePort=s[1]}this.client.dht&&this.client.dht.listening&&e.on("port",(s=>{if(!this.destroyed&&!this.client.dht.destroyed){if(!e.remoteAddress)return this._debug("ignoring PORT from peer with no address");if(0===s||s>65536)return this._debug("ignoring invalid PORT from peer");this._debug("port: %s (from %s)",s,t),this.client.dht.addNode({host:e.remoteAddress,port:s})}})),e.on("timeout",(()=>{this._debug("wire timeout (%s)",t),e.destroy()})),"webSeed"!==e.type&&e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(St(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 Et&&!this.private&&(e.use(Et()),e.ut_pex.on("peer",(e=>{this.done||(this._debug("ut_pex: got peer: %s (from %s)",e,t),this.addPeer(e,It.default.SOURCE_UT_PEX))})),e.ut_pex.on("dropped",(e=>{const s=this._peers[e];s&&!s.connected&&(this._debug("ut_pex: dropped peer: %s (from %s)",e,t),this.removePeer(e))})),e.once("close",(()=>{e.ut_pex.reset()}))),e.use(_t()),this.emit("wire",e,t),this.ready&&w((()=>{this._onWireWithMetadata(e)}))}_onWireWithMetadata(e){let t=null;const s=()=>{this.destroyed||e.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&e.amInterested?e.destroy():(t=setTimeout(s,zt),t.unref&&t.unref()))};let i;const n=()=>{if(e.peerPieces.buffer.length===this.bitfield.buffer.length){for(i=0;i<this.pieces.length;++i)if(!e.peerPieces.get(i))return;e.isSeeder=!0,this.alwaysChokeSeeders&&e.choke()}};e.on("bitfield",(()=>{n(),this._update(),this._updateWireInterest(e)})),e.on("have",(()=>{n(),this._update(),this._updateWireInterest(e)})),e.lt_donthave.on("donthave",(()=>{n(),this._update(),this._updateWireInterest(e)})),e.on("have-all",(()=>{e.isSeeder=!0,this.alwaysChokeSeeders&&e.choke(),this._update(),this._updateWireInterest(e)})),e.on("have-none",(()=>{e.isSeeder=!1,this._update(),this._updateWireInterest(e)})),e.on("allowed-fast",(e=>{this._update()})),e.once("interested",(()=>{e.unchoke()})),e.once("close",(()=>{clearTimeout(t)})),e.on("choke",(()=>{clearTimeout(t),t=setTimeout(s,zt),t.unref&&t.unref()})),e.on("unchoke",(()=>{clearTimeout(t),this._update()})),e.on("request",((t,s,i,n)=>{if(i>131072)return e.destroy();this.pieces[t]||this.store.get(t,{offset:s,length:i},n)})),e.hasFast&&this._hasAllPieces()?e.haveAll():e.hasFast&&this._hasNoPieces()?e.haveNone():e.bitfield(this.bitfield),this._updateWireInterest(e),e.peerExtensions.dht&&this.client.dht&&this.client.dht.listening&&e.port(this.client.dht.address().port),"webSeed"!==e.type&&(t=setTimeout(s,zt),t.unref&&t.unref()),e.isSeeder=!1,n()}_updateSelections(){this.ready&&!this.destroyed&&(w((()=>{this._gcSelections()})),this._updateInterest(),this._update())}_gcSelections(){for(const e of this._selections){const t=e.offset;for(;this.bitfield.get(e.from+e.offset)&&e.from+e.offset<e.to;)e.offset+=1;t!==e.offset&&e.notify?.(),e.to===e.from+e.offset&&(this.bitfield.get(e.from+e.offset)&&(e.remove(),e.notify?.(),this._updateInterest()))}this._selections.length||this.emit("idle")}_updateInterest(){const e=this._amInterested;this._amInterested=!!this._selections.length,this.wires.forEach((e=>this._updateWireInterest(e))),e!==this._amInterested&&(this._amInterested?this.emit("interested"):this.emit("uninterested"))}_updateWireInterest(e){let t=!1;for(let s=0;s<this.pieces.length;++s)if(this.pieces[s]&&e.peerPieces.get(s)){t=!0;break}t?e.interested():e.uninterested()}_update(){Xt?Xt((()=>this._updateWireWrapper()),{timeout:250}):this._updateWireWrapper()}_updateWireWrapper(){if(this.destroyed)return;const e=vt(this.wires);let t;for(;t=e();)this._updateWire(t)}_updateWire(e){if(e.destroyed)return!1;const t=this,s=Zt(e,.5);if(e.requests.length>=s)return;const i=Zt(e,1);if(e.peerChoking)e.hasFast&&e.peerAllowedFastSet.length>0&&!this._hasMorePieces(e.peerAllowedFastSet.length-1)&&function(){if(e.requests.length>=i)return!1;for(const s of e.peerAllowedFastSet){if(e.peerPieces.get(s)&&!t.bitfield.get(s))for(;t._request(e,s,!1)&&e.requests.length<i;);if(!(e.requests.length<i))return!0}}();else{if(!e.downloaded)return function(){if(e.requests.length)return;let s=t._selections.length;for(;s--;){const i=t._selections.get(s);let r;if("rarest"===t.strategy){const s=i.from+i.offset,o=i.to,a=o-s+1,h={};let l=0;const c=n(s,o,h);for(;l<a&&(r=t._rarityMap.getRarestPiece(c),!(r<0));){if(t._request(e,r,!1))return;h[r]=!0,l+=1}}else for(r=i.to;r>=i.from+i.offset;--r)if(e.peerPieces.get(r)&&t._request(e,r,!1))return}}();o(!1)||o(!0)}function n(t,s,i,n){return r=>r>=t&&r<=s&&!(r in i)&&e.peerPieces.get(r)&&(!n||n(r))}function r(e){let s=e;for(let i=e;i<t._selections.length&&t._selections.get(i).priority;i++)s=i;t._selections.swap(e,s)}function o(s){if(e.requests.length>=i)return!0;const o=function(){const s=e.downloadSpeed()||1;if(s>Vt)return()=>!0;const i=Math.max(1,e.requests.length)*bt.BLOCK_LENGTH/s;let n=10,r=0;return e=>{if(!n||t.bitfield.get(e))return!0;let o=t.pieces[e].missing;for(;r<t.wires.length;r++){const a=t.wires[r],h=a.downloadSpeed();if(!(h<Vt)&&!(h<=s)&&a.peerPieces.get(e)&&!((o-=h*i)>0))return n--,!1}return!0}}();for(let a=0;a<t._selections.length;a++){const h=t._selections.get(a);let l;if("rarest"===t.strategy){const c=h.from+h.offset,d=h.to,u=d-c+1,p={};let f=0;const m=n(c,d,p,o);for(;f<u&&(l=t._rarityMap.getRarestPiece(m),!(l<0));){for(;t._request(e,l,t._critical[l]||s)&&e.requests.length<i;);if(!(e.requests.length<i))return h.priority&&r(a),!0;p[l]=!0,f++}}else for(l=h.from+h.offset;l<=h.to;l++)if(e.peerPieces.get(l)&&o(l)){for(;t._request(e,l,t._critical[l]||s)&&e.requests.length<i;);if(!(e.requests.length<i))return h.priority&&r(a),!0}}return!1}}_rechoke(){if(!this.ready)return;const e=this.wires.map((e=>({wire:e,random:Math.random()}))).sort(((e,t)=>{const s=e.wire,i=t.wire;return s.downloadSpeed()!==i.downloadSpeed()?s.downloadSpeed()-i.downloadSpeed():s.uploadSpeed()!==i.uploadSpeed()?s.uploadSpeed()-i.uploadSpeed():s.amChoking!==i.amChoking?s.amChoking?-1:1:e.random-t.random})).map((e=>e.wire));this._rechokeOptimisticTime<=0?this._rechokeOptimisticWire=null:this._rechokeOptimisticTime-=1;let t=0;for(;e.length>0&&t<this._rechokeNumSlots-1;){const s=e.pop();s.isSeeder||s===this._rechokeOptimisticWire||(s.unchoke(),s.peerInterested&&t++)}if(null===this._rechokeOptimisticWire&&this._rechokeNumSlots>0){const t=e.filter((e=>e.peerInterested));if(t.length>0){const e=t[(s=t.length,Math.random()*s|0)];e.unchoke(),this._rechokeOptimisticWire=e,this._rechokeOptimisticTime=2}}var s;e.filter((e=>e!==this._rechokeOptimisticWire)).forEach((e=>e.choke()))}_hotswap(e,t){const s=e.downloadSpeed();if(s<bt.BLOCK_LENGTH)return!1;if(!this._reservations[t])return!1;const i=this._reservations[t];if(!i)return!1;let n,r,o=1/0;for(r=0;r<i.length;r++){const t=i[r];if(!t||t===e)continue;const a=t.downloadSpeed();a>=Vt||(2*a>s||a>o||(n=t,o=a))}if(!n)return!1;for(r=0;r<i.length;r++)i[r]===n&&(i[r]=null);for(r=0;r<n.requests.length;r++){const e=n.requests[r];e.piece===t&&this.pieces[t].cancel(e.offset/bt.BLOCK_LENGTH|0)}return this.emit("hotswap",n,e,t),!0}_request(e,t,s){const i=this,n=e.requests.length,r="webSeed"===e.type;if(i.bitfield.get(t))return!1;const o=r?Math.min(function(e,t,s){return 1+Math.ceil(t*e.downloadSpeed()/s)}(e,1,i.pieceLength),i.maxWebConns):Zt(e,1);if(n>=o)return!1;const a=i.pieces[t];let h=r?a.reserveRemaining():a.reserve();if(-1===h&&s&&i._hotswap(e,t)&&(h=r?a.reserveRemaining():a.reserve()),-1===h)return!1;let l=i._reservations[t];l||(l=i._reservations[t]=[]);let c=l.indexOf(null);-1===c&&(c=l.length),l[c]=e;const d=a.chunkOffset(h),u=r?a.chunkLengthRemaining(h):a.chunkLength(h);function p(){w((()=>{i._update()}))}return e.request(t,d,u,(async function s(n,o){if(i.destroyed)return;if(!i.ready)return i.once("ready",(()=>{s(n,o)}));if(l[c]===e&&(l[c]=null),a!==i.pieces[t])return p();if(n)return i._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,d,u,`${e.remoteAddress}:${e.remotePort}`,n.message),r?a.cancelRemaining(h):a.cancel(h),void p();if(i._debug("got piece %s (offset: %s length: %s) from %s",t,d,u,`${e.remoteAddress}:${e.remotePort}`),!a.set(h,o,e))return p();const f=a.flush(),m=await(0,b.tW)(f,"hex");i.destroyed||(m===i._hashes[t]?(i._debug("piece verified %s",t),i.store.put(t,f,(e=>{e?i._destroy(e):(i.pieces[t]=null,i._markVerified(t),i.wires.forEach((e=>{e.have(t)})),i._checkDone()&&!i.destroyed&&i.discovery.complete(),p())}))):(i.pieces[t]=new bt(a.length),i.emit("warning",new Error(`Piece ${t} failed verification`)),p()))})),!0}_checkDone(){if(this.destroyed)return;this.files.forEach((e=>{if(!e.done){for(let t=e._startPiece;t<=e._endPiece;++t)if(!this.bitfield.get(t))return;e.done=!0,e.emit("done"),this._debug(`file done: ${e.name}`)}}));let e=!0;for(const t of this._selections){for(let s=t.from;s<=t.to;s++)if(!this.bitfield.get(s)){e=!1;break}if(!e)break}return!this.done&&e?(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done")):this.done=!1,this._gcSelections(),e}async load(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",(()=>{this.load(e,t)}));Array.isArray(e)||(e=[e]),t||(t=es);try{await me(this.store,_(e),{chunkLength:this.pieceLength}),this._markAllVerified(),this._checkDone(),t(null)}catch(e){return t(e),e}}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const e=[].slice.call(arguments);e[0]=`[${this.client?this.client._debugId:"No Client"}] [${this._debugId}] ${e[0]}`,$t(...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),s={host:t[0],port:t[1]};this.client.utp&&e.type===It.default.TYPE_UTP_OUTGOING?e.conn=Rt.connect(s.port,s.host):e.conn=ae.connect(s);const i=e.conn;i.once("connect",(()=>{this.destroyed||e.onConnect()})),i.once("error",(t=>{e.destroy(t)})),e.startConnectTimeout(),i.on("close",(()=>{if(this.destroyed)return;if(e.retries>=Kt.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,Kt.length);return}const t=Kt[e.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",e.addr,t,e.retries+1);const s=setTimeout((()=>{if(this.destroyed)return;const t=de(e.addr)[0],s=this.client.utp&&this._isIPv4(t)?"utp":"tcp",i=this._addPeer(e.addr,s,e.source);i&&(i.retries=e.retries+1)}),t);s.unref&&s.unref()}))}_validAddr(e){let t;try{t=de(e)}catch(e){return!1}const s=t[0],i=t[1];return i>0&&i<65535&&!("127.0.0.1"===s&&i===this.client.torrentPort)}_isIPv4(e){return/^((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$/.test(e)}}function Zt(e,t){let s=2+Math.ceil(t*e.downloadSpeed()/bt.BLOCK_LENGTH);if(e.peerExtendedHandshake){const t=e.peerExtendedHandshake.reqq;"number"==typeof t&&t>0&&(s=Math.min(s,t))}return s}function es(){}var ts=n(4043),ss=n(580),is=n(815),ns=n(2878);class rs{constructor(e,t={}){this.client=e,t.origin||(t.origin="*"),this.opts=t,this.pendingReady=new Set}static serveIndexPage(e,t,s){const i=t.map((e=>`<li>\n        <a href="${ss(s)}/${e.infoHash}">\n          ${ss(e.name)}\n        </a>\n        (${ss(e.length)} bytes)\n      </li>`)).join("<br>");return e.status=200,e.headers["Content-Type"]="text/html",e.body=hs("WebTorrent",`<h1>WebTorrent</h1>\n       <ol>${i}</ol>`),e}isOriginAllowed(e){return!1!==this.opts.origin&&("*"===this.opts.origin||e.headers.origin===this.opts.origin)}static serveMethodNotAllowed(e){return e.status=405,e.headers["Content-Type"]="text/html",e.body=hs("405 - Method Not Allowed","<h1>405 - Method Not Allowed</h1>"),e}static serve404Page(e){return e.status=404,e.headers["Content-Type"]="text/html",e.body=hs("404 - Not Found","<h1>404 - Not Found</h1>"),e}static serveTorrentPage(e,t,s){const i=e.files.map((t=>`<li>\n        <a href="${ss(s)}/${e.infoHash}/${ss(t.path)}">\n          ${ss(t.path)}\n        </a>\n        (${ss(t.length)} bytes)\n      </li>`)).join("<br>");return t.status=200,t.headers["Content-Type"]="text/html",t.body=hs(`${ss(e.name)} - WebTorrent`,`<h1>${ss(e.name)}</h1>\n      <ol>${i}</ol>`),t}static serveOptionsRequest(e,t){return t.status=204,t.headers["Access-Control-Max-Age"]="600",t.headers["Access-Control-Allow-Methods"]="GET,HEAD",e.headers["access-control-request-headers"]&&(t.headers["Access-Control-Allow-Headers"]=e.headers["access-control-request-headers"]),t}static serveFile(e,t,s){s.status=200,s.headers.Expires="0",s.headers["Cache-Control"]="no-cache, no-store, must-revalidate, max-age=0",s.headers["Accept-Ranges"]="bytes",s.headers["Content-Type"]=e.type,s.headers["transferMode.dlna.org"]="Streaming",s.headers["contentFeatures.dlna.org"]="DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000","document"===t.destination?(s.headers["Content-Type"]="application/octet-stream",s.headers["Content-Disposition"]=`attachment; filename*=UTF-8''${ls(e.name)}`,s.body="DOWNLOAD"):s.headers["Content-Disposition"]=`inline; filename*=UTF-8''${ls(e.name)}`;let i=ns(e.length,t.headers.range||"");if(Array.isArray(i)?(s.status=206,i=i[0],s.headers["Content-Range"]=`bytes ${i.start}-${i.end}/${e.length}`,s.headers["Content-Length"]=i.end-i.start+1):(s.statusCode=200,i=null,s.headers["Content-Length"]=e.length),"GET"===t.method){const n=e[Symbol.asyncIterator](i);let r=null;e.emit("iterator",{iterator:n,req:t,file:e},(e=>{r=e}));const o=Y.Readable.from(r||n);let a=null;e.emit("stream",{stream:o,req:t,file:e},(e=>{a=is(o,e)})),s.body=a||o}else s.body=!1;return s}async onRequest(e,t){let s=new URL(e.url,"http://example.com").pathname;s=s.slice(s.indexOf(this.pathname)+this.pathname.length+1);const i={headers:{"X-Content-Type-Options":"nosniff","Content-Security-Policy":"base-uri 'none'; frame-ancestors 'none'; form-action 'none';"}};if(this.isOriginAllowed(e)&&(i.headers["Access-Control-Allow-Origin"]="*"===this.opts.origin?"*":e.headers.origin),"favicon.ico"===s)return t(rs.serve404Page(i));if("OPTIONS"===e.method)return this.isOriginAllowed(e)?t(rs.serveOptionsRequest(e,i)):t(rs.serveMethodNotAllowed(i));const n=async()=>{this.pendingReady.delete(n);const e=await r();t(e)},r=async()=>{if(""===s)return rs.serveIndexPage(i,this.client.torrents,this.pathname);let[t,...n]=s.split("/");n=decodeURI(n.join("/"));const r=await this.client.get(t);if(!t||!r)return rs.serve404Page(i);if(!n)return rs.serveTorrentPage(r,i,this.pathname);const o=r.files.find((e=>e.path.replace(/\\/g,"/")===n));return o?rs.serveFile(o,e,i):rs.serve404Page(i)};if("GET"===e.method||"HEAD"===e.method){if(this.client.ready){const e=await r();return t(e)}return this.pendingReady.add(n),void this.client.once("ready",n)}return t(rs.serveMethodNotAllowed(i))}close(e=(()=>{})){this.closed=!0,this.pendingReady.forEach((e=>{this.client.removeListener("ready",e)})),this.pendingReady.clear(),w(e)}destroy(e=(()=>{})){this.closed?w(e):this.close(e),this.client=null}}class os extends rs{constructor(e,t){super(e,t),this.server=ts.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}:${this.server.address().port}`?e.destroy():new URL(e.url,"http://example.com").pathname.startsWith(this.pathname)?void this.onRequest(e,(({status:e,headers:s,body:i})=>{t.writeHead(e,s),i._readableState||i._writableState?is(i,t):t.end(i)})):e.destroy()}onConnection(e){e.setTimeout(36e6),this.sockets.add(e),e.once("close",(()=>{this.sockets.delete(e)}))}address(){return this.server.address()}listen(...e){return this.closed=!1,this.server.on("connection",this.onConnection.bind(this)),this.server.on("request",this.wrapRequest.bind(this)),this._listen.apply(this.server,e)}close(e=(()=>{})){this.server.removeAllListeners("connection"),this.server.removeAllListeners("request"),this.server.removeAllListeners("listening"),super.close(),this._close.call(this.server,e)}destroy(e){this.sockets.forEach((e=>{e.destroy()})),super.destroy(e)}}class as extends rs{constructor(e,t){super(e,t),this.registration=t.controller,this.workerKeepAliveInterval=null,this.workerPortCount=0;const s=new URL(t.controller.scope);this.pathname=s.pathname+"webtorrent",this._address={port:s.port,family:"IPv4",address:s.hostname},this.boundHandler=this.wrapRequest.bind(this),navigator.serviceWorker.addEventListener("message",this.boundHandler),fetch(`${this.pathname}/cancel/`).then((e=>{e.body.cancel()}))}wrapRequest(e){const t=e.data;if("webtorrent"===!t?.type||!t.url)return null;const[s]=e.ports;this.onRequest(t,(({status:e,headers:t,body:i})=>{const n=i[Symbol.asyncIterator]?.(),r=()=>{s.onmessage=null,i?.destroy&&i.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};s.onmessage=async e=>{if(e.data){let e;try{e=(await n.next()).value}catch(e){}s.postMessage(e),e||r(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval((()=>fetch(`${this.pathname}/keepalive/`)),2e4))}else r()},this.workerPortCount++,s.postMessage({status:e,headers:t,body:n?"STREAM":i})}))}listen(e,t){t()}address(){return this._address}close(e){navigator.serviceWorker.removeEventListener("message",this.boundHandler),super.close(e)}destroy(e){super.destroy(e)}}function hs(e,t){return`\n    <!DOCTYPE html>\n    <html lang="en">\n      <head>\n        <meta charset="utf-8">\n        <title>${e}</title>\n      </head>\n      <body>\n        ${t}\n      </body>\n    </html>\n  `}function ls(e){return encodeURIComponent(e).replace(/['()]/g,escape).replace(/\*/g,"%2A").replace(/%(?:7C|60|5E)/g,unescape)}const cs=I("webtorrent"),ds=Ht.replace(/\d*./g,(e=>("0"+e%100).slice(-2))).slice(0,4),us=`-WW${ds}-`;class ps extends o{constructor(e={}){super(),"string"==typeof e.peerId?this.peerId=e.peerId:ArrayBuffer.isView(e.peerId)?this.peerId=(0,b.V5)(e.peerId):this.peerId=(0,b.V5)((0,b.L0)(us+(0,b.NJ)((0,b.po)(9)))),this.peerIdBuffer=(0,b.fk)(this.peerId),"string"==typeof e.nodeId?this.nodeId=e.nodeId:ArrayBuffer.isView(e.nodeId)?this.nodeId=(0,b.V5)(e.nodeId):this.nodeId=(0,b.V5)((0,b.po)(20)),this.nodeIdBuffer=(0,b.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=ps.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 ne&&(this.natTraversal=new ne({enableUPNP:this.natUpnp,enablePMP:this.natPmp,upnpPermanentFallback:"permanent"===e.natUpnp})),!0===e.secure&&Promise.resolve().then(n.bind(n,5658)).then((({enableSecure:e})=>e())),this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.throttleGroups={down:new ie.ThrottleGroup({rate:Math.max(this._downloadLimit,0),enabled:this._downloadLimit>=0}),up:new ie.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):w((()=>{this._onListening()})),this._downloadSpeed=se(),this._uploadSpeed=se(),!1!==e.dht&&"function"==typeof L.Client?(this.dht=new L.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=>{cs("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 R&&null!=e.blocklist?R(e.blocklist,{headers:{"user-agent":`WebTorrent/${Ht} (https://webtorrent.io)`}},((e,s)=>{if(e)return console.error(`Failed to load blocklist: ${e.message}`);this.blocked=s,t()})):w(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 as(this,e),this._server}return this._server=new os(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 Qt){if(this.torrents.includes(e))return e}else{const t=this.torrents;let s;try{s=await W(e)}catch(e){}if(!s)return null;if(!s.infoHash)throw new Error("Invalid torrent identifier");for(const e of t)if(e.infoHash===s.infoHash)return e}return null}add(e,t={},s=(()=>{})){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,s]=[{},t]);const i=()=>{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 ${r.infoHash}`)),void s(e)},n=()=>{this.destroyed||(s(r),this.emit("torrent",r))};this._debug("add"),t=t?Object.assign({},t):{};const r=new Qt(e,this,t);return this.torrents.push(r),r.once("_infoHash",i),r.once("ready",n),r.once("close",(function e(){r.removeListener("_infoHash",i),r.removeListener("ready",n),r.removeListener("close",e)})),this.emit("add",r),r}seed(e,t,s){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,s]=[{},t]),this._debug("seed"),(t=t?Object.assign({},t):{}).skipVerify=!0;const i="string"==typeof e;i&&(t.path=function(e){if(a(e),0===e.length)return".";let t=e.charCodeAt(0);const s=47===t;let i=-1,n=!0;for(let s=e.length-1;s>=1;--s)if(t=e.charCodeAt(s),47===t){if(!n){i=s;break}}else n=!1;return-1===i?s?"/":".":s&&1===i?"//":e.slice(0,i)}(e)),t.createdBy||(t.createdBy=`WebTorrent/${ds}`);const n=e=>{this._debug("on seed"),"function"==typeof s&&s(e),e.emit("seed"),this.emit("seed",e)},r=this.add(null,t,(e=>{const s=[s=>{if(i||t.preloadedStore)return s();e.load(o,s)}];this.dht&&s.push((t=>{e.once("dhtAnnounce",t)})),y(s,(t=>{if(!this.destroyed)return t?e._destroy(t):void n(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 s=>{if(!t.preloadedStore&&function(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}(e)){const t=[];try{for await(const s of e)t.push(s)}catch(e){return s(e)}const i=(0,b.xW)(t);i.name=e.name,s(null,i)}else s(null,e)})),((e,i)=>{if(!this.destroyed)return e?r._destroy(e):void function(e,t,s){"function"==typeof t&&([t,s]=[s,t]),S(e,t=t?Object.assign({},t):{},s)}(i,t,((e,n)=>{if(!this.destroyed){if(e)return r._destroy(e);o=n.map((e=>e.getStream)),T(i,t,(async(e,t)=>{if(this.destroyed)return;if(e)return r._destroy(e);const i=await this.get(t);i?(console.warn("A torrent with the same id is already being seeded"),r._destroy(),"function"==typeof s&&s(i)):r._onTorrentId(t)}))}}))})),r}async remove(e,t,s){if("function"==typeof t)return this.remove(e,null,t);this._debug("remove");const i=await this.get(e);if(!i)throw new Error(`No torrent with id ${e}`);this._remove(i,t,s)}_remove(e,t,s){if(!e)return;if("function"==typeof t)return this._remove(e,null,t);const i=this.torrents.indexOf(e);-1!==i&&(this.torrents.splice(i,1),e.destroy(t,s),this.dht&&this.dht._tables.remove(e.infoHash),this.emit("remove",e))}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._downloadLimit=e,this._downloadLimit<0?this.throttleGroups.down.setEnabled(!1):(this.throttleGroups.down.setEnabled(!0),void this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._uploadLimit=e,this._uploadLimit<0?this.throttleGroups.up.setEnabled(!1):(this.throttleGroups.up.setEnabled(!0),void this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)}_destroy(e,t){this._debug("client destroy"),this.destroyed=!0;const s=this.torrents.map((e=>t=>{e.destroy(t)}));this._connPool&&s.push((e=>{this._connPool.destroy(e)})),this.dht&&s.push((e=>{this.dht.destroy(e)})),this._server&&s.push((e=>{this._server.destroy(e)})),this.natTraversal&&s.push((e=>{this.natTraversal.destroy().then((()=>e()))})),y(s,t),e&&this.emit("error",e),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const e=this._connPool.tcpServer.address();e&&(this.torrentPort=e.port,this.natTraversal&&this.natTraversal.map({publicPort:this.torrentPort,privatePort:this.torrentPort,protocol:this.utp?null:"tcp",description:"WebTorrent Torrent"}).catch((e=>{cs("error mapping WebTorrent port via UPnP/PMP: %o",e)})))}this.emit("listening")}_debug(){const e=[].slice.call(arguments);e[0]=`[${this._debugId}] ${e[0]}`,cs(...e)}async _getByHash(e){for(const t of this.torrents)if(t.infoHashHash||(t.infoHashHash=await(0,b.tW)((0,b.fk)("72657132"+t.infoHash),"hex")),e===t.infoHashHash)return t;return null}}ps.WEBRTC_SUPPORT=te.WEBRTC_SUPPORT,ps.UTP_SUPPORT=re.UTP_SUPPORT,ps.VERSION=Ht;var fs=r.A;export{fs as default};
+//# sourceMappingURL=webtorrent.min.js.map
diff --git a/site.hs b/site.hs
index b8ad4b3..8284c2f 100644
--- a/site.hs
+++ b/site.hs
@@ -1,7 +1,7 @@
 --------------------------------------------------------------------------------
 {-# LANGUAGE OverloadedStrings #-}
 import           Data.Monoid (mappend)
-import           System.FilePath ((</>), (<.>), splitExtension, splitFileName, takeDirectory)
+import           System.FilePath ((</>), (<.>), splitExtension, splitFileName, takeDirectory, stripExtension, takeFileName, takeBaseName)
 import           Hakyll
 
 
@@ -20,6 +20,13 @@ main = hakyll $ do
         route   idRoute
         compile copyFileCompiler
 
+    match "scripts/*" $ do
+        route   idRoute
+        compile copyFileCompiler
+
+    match "sw.min.js" $ do
+        route   idRoute
+        compile copyFileCompiler
 
     match "style.css" $ do
         route   idRoute
@@ -128,6 +135,8 @@ postCtx :: Context String
 postCtx =
     constField "root" root      `mappend`
     dateField "date" "%Y-%m-%d" `mappend`
+    idFieldFromPath "id"        `mappend`
+    teaserField "teaser" "article-text" `mappend`
     dropIndexHtml "url"         `mappend`
     defaultContext
 
@@ -138,6 +147,11 @@ appendIndex :: Routes
 appendIndex = customRoute $
     (\(p, e) -> p </> "index" <.> e) . splitExtension . toFilePath
 
+
+idFieldFromPath :: String -> Context a
+idFieldFromPath key = mapContext transform (pathField key) where
+     transform path = takeBaseName path
+
 dropIndexHtml :: String -> Context a
 dropIndexHtml key = mapContext transform (urlField key) where
     transform url = case splitFileName url of
diff --git a/style.css b/style.css
index 342071c..9a83e04 100644
--- a/style.css
+++ b/style.css
@@ -193,6 +193,7 @@ nav ul {
 
 article {
   display: flex;
+  align-items: center;
   flex-direction: column;
   /* align-items: center; */
   gap: 2vw;
@@ -206,6 +207,9 @@ article {
 .thumbnail {
   filter: drop-shadow(0px 0px 4px #e3b69b);
   border: 4px groove #800080;
+  background-color: #06360f;
+  /* aspect-ratio: 16 / 10; */
+  width: auto;
   padding: 0vw;
 }
 
@@ -670,4 +674,4 @@ code span.wa {
   font-weight: bold;
   font-style: normal;
   font-display: block;
-}
\ No newline at end of file
+}
diff --git a/sw.min.js b/sw.min.js
new file mode 100644
index 0000000..1ccc2af
--- /dev/null
+++ b/sw.min.js
@@ -0,0 +1,2 @@
+(()=>{"use strict";let e=!1;self.addEventListener("install",(()=>{self.skipWaiting()})),self.addEventListener("fetch",(s=>{const t=(s=>{const{url:t}=s.request;return t.includes(self.registration.scope+"webtorrent/")?t.includes(self.registration.scope+"webtorrent/keepalive/")?new Response:t.includes(self.registration.scope+"webtorrent/cancel/")?new Response(new ReadableStream({cancel(){e=!0}})):async function({request:s}){const{url:t,method:n,headers:o,destination:a}=s,l=await clients.matchAll({type:"window",includeUncontrolled:!0}),[r,i]=await new Promise((e=>{for(const s of l){const l=new MessageChannel,{port1:r,port2:i}=l;r.onmessage=({data:s})=>{e([s,r])},s.postMessage({url:t,method:n,headers:Object.fromEntries(o.entries()),scope:self.registration.scope,destination:a,type:"webtorrent"},[i])}}));let c=null;const d=()=>{i.postMessage(!1),clearTimeout(c),i.onmessage=null};return"STREAM"!==r.body?(d(),new Response(r.body,r)):new Response(new ReadableStream({pull:s=>new Promise((t=>{i.onmessage=({data:e})=>{e?s.enqueue(e):(d(),s.close()),t()},e||(clearTimeout(c),"document"!==a&&(c=setTimeout((()=>{d(),t()}),5e3))),i.postMessage(!0)})),cancel(){d()}}),r)}(s):null})(s);t&&s.respondWith(t)})),self.addEventListener("activate",(()=>{self.clients.claim()}))})();
+//# sourceMappingURL=sw.min.js.map
diff --git a/templates/article.html b/templates/article.html
new file mode 100644
index 0000000..e5ed720
--- /dev/null
+++ b/templates/article.html
@@ -0,0 +1,44 @@
+<article>
+  $if(thumbnail)$
+  <div class="thumbnail" style="height: 30vh;">$thumbnail$</div>
+  $endif$
+  $if(torrent)$
+  <div>
+    <video controls class="thumbnail" id="media-$id$" style="height: 30vh;"></video>
+    <script type='module'>
+      const torrentId = '$torrent$';
+      const player = document.querySelector('#media-$id$');
+      window.torrentClient.add(torrentId, torrent => {
+        const file = torrent.files.find(file => file.name.endsWith('.mp4'));
+        file.streamTo(player);
+      });
+    </script>
+  </div>
+  $endif$
+  <div class="panel">
+    <section class="header">
+      <div class="title">
+        <h1>$title$</h1>
+        <a href="https://infoculture.pub$url$">permalink</a>
+        <a href="/$path$">raw</a>
+        $if(torrent)$
+        <a href="$torrent$">magnet link</a>
+        $endif$
+      </div>
+      <div class="meta">
+        $if(author)$
+        <h2 class="author">$author$</h2>
+        $endif$
+        <h3 class="date">$date$</h3>
+        $if(tags)$
+        <h3 class="tags">$tags$</h3>
+        $endif$
+      </div>
+    </section>
+    <br>
+    <br>
+    <section>
+      $body$
+    </section>
+  </div>
+</article>
diff --git a/templates/base.html b/templates/base.html
index 321ab9d..1875345 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -38,4 +38,4 @@
   </footer>
 </body>
 
-</html>
+</html>
\ No newline at end of file
diff --git a/templates/default.html b/templates/default.html
deleted file mode 100644
index e91badc..0000000
--- a/templates/default.html
+++ /dev/null
@@ -1,33 +0,0 @@
-<!doctype html>
-<html lang="en">
-    <head>
-        <meta charset="utf-8">
-        <meta http-equiv="x-ua-compatible" content="ie=edge">
-        <meta name="viewport" content="width=device-width, initial-scale=1">
-        <title>My Hakyll Blog - $title$</title>
-        <link rel="stylesheet" href="/css/default.css" />
-    </head>
-    <body>
-        <header>
-            <div class="logo">
-                <a href="/">My Hakyll Blog</a>
-            </div>
-            <nav>
-                <a href="/">Home</a>
-                <a href="/about.html">About</a>
-                <a href="/contact.html">Contact</a>
-                <a href="/archive.html">Archive</a>
-            </nav>
-        </header>
-
-        <main role="main">
-            <h1>$title$</h1>
-            $body$
-        </main>
-
-        <footer>
-            Site proudly generated by
-            <a href="http://jaspervdj.be/hakyll">Hakyll</a>
-        </footer>
-    </body>
-</html>
diff --git a/templates/load-webtorrent.html b/templates/load-webtorrent.html
new file mode 100644
index 0000000..0d7347f
--- /dev/null
+++ b/templates/load-webtorrent.html
@@ -0,0 +1,9 @@
+<script type='module'>
+  import WebTorrent from '/scripts/webtorrent.min.js';
+
+  window.torrentClient = new WebTorrent();
+
+  navigator.serviceWorker.register('/sw.min.js');
+  const controller = await navigator.serviceWorker.ready;
+  window.torrentClient.createServer({controller});
+</script>
diff --git a/templates/post.html b/templates/post.html
index 77986ae..ddbd384 100644
--- a/templates/post.html
+++ b/templates/post.html
@@ -1,30 +1,4 @@
 <main role="main">
-  <article>
-    $if(thumbnail)$
-    <div class="thumbnail" style="height: 30vh;">$thumbnail$</div>
-    $endif$
-    <div class="panel">
-      <section class="header">
-        <div class="title">
-          <h1>$title$</h1>
-          <a href="https://infoculture.pub$url$">permalink</a>
-          <a href="/$path$">raw</a>
-        </div>
-        <div class="meta">
-          $if(author)$
-          <h2 class="author">$author$</h2>
-          $endif$
-          <h3 class="date">$date$</h3>
-          $if(tags)$
-          <h3 class="tags">$tags$</h3>
-          $endif$
-        </div>
-      </section>
-      <br>
-      <br>
-      <section>
-        $body$
-      </section>
-    </div>
-  </article>
+  $partial("templates/load-webtorrent.html")$
+  $partial("templates/article.html")$
 </main>
\ No newline at end of file
diff --git a/templates/thumbs.html b/templates/thumbs.html
index 91cfd74..3fcc6f7 100644
--- a/templates/thumbs.html
+++ b/templates/thumbs.html
@@ -5,6 +5,17 @@
     <div class="thumbnail" style="height: 25vh">$thumbnail$</div>
     <br>
     $endif$
+    $if(torrent)$
+    <video controls class="thumbnail" id="media-$id$" style="height: 30vh;"></video>
+    <script type='module'>
+      const torrentId = '$torrent$';
+      const player = document.querySelector('#media-$id$');
+      window.torrentClient.add(torrentId, torrent => {
+        const file = torrent.files.find(file => file.name.endsWith('.mp4'));
+        file.streamTo(player);
+      });
+    </script>
+    $endif$
     <div class="thumb-title">
       <a href="$url$">
         <h2>$title$</h2>
@@ -22,6 +33,11 @@
       $subtitle$
     </div>
     $endif$
+    $if(teaser)$
+    <div class="thumb-teaser">
+      $teaser$<a href="$url$">read more...</a>
+    </div>
+    $endif$
   </div>
   $endfor$
-</div>
\ No newline at end of file
+</div>
diff --git a/todo.md b/todo.md
index 13203eb..56340e9 100644
--- a/todo.md
+++ b/todo.md
@@ -8,10 +8,11 @@
   [x] flowerfont
 [x] text-wrap issues
 [x] sitemap.xml
+[x] teasers
+[x] webtorrent
 [ ] remove placeholders
 
 later:
-[ ] teasers
 [ ] fun homepage design
 [ ] author pages
 [ ] tags filter