| 1 | (()=>{var e={699:(e,t,s)=>{"use strict";const r=s(60);r.createWebSocketStream=s(719),r.Server=s(722),r.Receiver=s(286),r.Sender=s(914),r.WebSocket=r,r.WebSocketServer=r.Server,e.exports=r},338:(e,t,s)=>{"use strict";const{EMPTY_BUFFER:r}=s(614),i=Buffer[Symbol.species];function o(e,t,s,r,i){for(let o=0;o<i;o++)s[r+o]=e[o]^t[3&o]}function n(e,t){for(let s=0;s<e.length;s++)e[s]^=t[3&s]}if(e.exports={concat:function(e,t){if(0===e.length)return r;if(1===e.length)return e[0];const s=Buffer.allocUnsafe(t);let o=0;for(let t=0;t<e.length;t++){const r=e[t];s.set(r,o),o+=r.length}return o<t?new i(s.buffer,s.byteOffset,o):s},mask:o,toArrayBuffer:function(e){return e.length===e.buffer.byteLength?e.buffer:e.buffer.slice(e.byteOffset,e.byteOffset+e.length)},toBuffer:function e(t){if(e.readOnly=!0,Buffer.isBuffer(t))return t;let s;return t instanceof ArrayBuffer?s=new i(t):ArrayBuffer.isView(t)?s=new 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t.serverMaxWindowBits&&t.serverMaxWindowBits>e.server_max_window_bits)||"number"==typeof t.clientMaxWindowBits&&!e.client_max_window_bits)));if(!s)throw new Error("None of the extension offers can be accepted");return t.serverNoContextTakeover&&(s.server_no_context_takeover=!0),t.clientNoContextTakeover&&(s.client_no_context_takeover=!0),"number"==typeof t.serverMaxWindowBits&&(s.server_max_window_bits=t.serverMaxWindowBits),"number"==typeof t.clientMaxWindowBits?s.client_max_window_bits=t.clientMaxWindowBits:!0!==s.client_max_window_bits&&!1!==t.clientMaxWindowBits||delete s.client_max_window_bits,s}acceptAsClient(e){const t=e[0];if(!1===this._options.clientNoContextTakeover&&t.client_no_context_takeover)throw new Error('Unexpected parameter "client_no_context_takeover"');if(t.client_max_window_bits){if(!1===this._options.clientMaxWindowBits||"number"==typeof this._options.clientMaxWindowBits&&t.client_max_window_bits>this._options.clientMaxWindowBits)throw new Error('Unexpected or 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${s}`)}e[t]=s}))})),e}decompress(e,t,s){u.add((r=>{this._decompress(e,t,((e,t)=>{r(),s(e,t)}))}))}compress(e,t,s){u.add((r=>{this._compress(e,t,((e,t)=>{r(),s(e,t)}))}))}_decompress(e,t,s){const o=this._isServer?"client":"server";if(!this._inflate){const e=`${o}_max_window_bits`,t="number"!=typeof this.params[e]?r.Z_DEFAULT_WINDOWBITS:this.params[e];this._inflate=r.createInflateRaw({...this._options.zlibInflateOptions,windowBits:t}),this._inflate[c]=this,this._inflate[l]=0,this._inflate[f]=[],this._inflate.on("error",y),this._inflate.on("data",m)}this._inflate[d]=s,this._inflate.write(e),t&&this._inflate.write(h),this._inflate.flush((()=>{const e=this._inflate[_];if(e)return this._inflate.close(),this._inflate=null,void s(e);const r=i.concat(this._inflate[f],this._inflate[l]);this._inflate._readableState.endEmitted?(this._inflate.close(),this._inflate=null):(this._inflate[l]=0,this._inflate[f]=[],t&&this.params[`${o}_no_context_takeover`]&&this._inflate.reset()),s(null,r)}))}_compress(e,t,s){const o=this._isServer?"server":"client";if(!this._deflate){const e=`${o}_max_window_bits`,t="number"!=typeof this.params[e]?r.Z_DEFAULT_WINDOWBITS:this.params[e];this._deflate=r.createDeflateRaw({...this._options.zlibDeflateOptions,windowBits:t}),this._deflate[l]=0,this._deflate[f]=[],this._deflate.on("data",p)}this._deflate[d]=s,this._deflate.write(e),this._deflate.flush(r.Z_SYNC_FLUSH,(()=>{if(!this._deflate)return;let e=i.concat(this._deflate[f],this._deflate[l]);t&&(e=new a(e.buffer,e.byteOffset,e.length-4)),this._deflate[d]=null,this._deflate[l]=0,this._deflate[f]=[],t&&this.params[`${o}_no_context_takeover`]&&this._deflate.reset(),s(null,e)}))}}},286:(e,t,s)=>{"use 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s();this._bufferedBytes+=e.length,this._buffers.push(e),this.startLoop(s)}consume(e){if(this._bufferedBytes-=e,e===this._buffers[0].length)return this._buffers.shift();if(e<this._buffers[0].length){const t=this._buffers[0];return this._buffers[0]=new u(t.buffer,t.byteOffset+e,t.length-e),new u(t.buffer,t.byteOffset,e)}const t=Buffer.allocUnsafe(e);do{const s=this._buffers[0],r=t.length-e;e>=s.length?t.set(this._buffers.shift(),r):(t.set(new Uint8Array(s.buffer,s.byteOffset,e),r),this._buffers[0]=new u(s.buffer,s.byteOffset+e,s.length-e)),e-=s.length}while(e>0);return t}startLoop(e){this._loop=!0;do{switch(this._state){case 0:this.getInfo(e);break;case 1:this.getPayloadLength16(e);break;case 2:this.getPayloadLength64(e);break;case 3:this.getMask();break;case 4:this.getData(e);break;case 5:case 6:return void(this._loop=!1)}}while(this._loop);this._errored||e()}getInfo(e){if(this._bufferedBytes<2)return void(this._loop=!1);const t=this.consume(2);if(48&t[0]){return void e(this.createError(RangeError,"RSV2 and RSV3 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_2_3"))}const s=!(64&~t[0]);if(!s||this._extensions[i.extensionName]){if(this._fin=!(128&~t[0]),this._opcode=15&t[0],this._payloadLength=127&t[1],0===this._opcode){if(s){return void e(this.createError(RangeError,"RSV1 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_1"))}if(!this._fragmented){return void e(this.createError(RangeError,"invalid opcode 0",!0,1002,"WS_ERR_INVALID_OPCODE"))}this._opcode=this._fragmented}else if(1===this._opcode||2===this._opcode){if(this._fragmented){return void e(this.createError(RangeError,`invalid opcode ${this._opcode}`,!0,1002,"WS_ERR_INVALID_OPCODE"))}this._compressed=s}else{if(!(this._opcode>7&&this._opcode<11)){return void e(this.createError(RangeError,`invalid opcode ${this._opcode}`,!0,1002,"WS_ERR_INVALID_OPCODE"))}if(!this._fin){return void e(this.createError(RangeError,"FIN must be set",!0,1002,"WS_ERR_EXPECTED_FIN"))}if(s){return void e(this.createError(RangeError,"RSV1 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_1"))}if(this._payloadLength>125||8===this._opcode&&1===this._payloadLength){return void e(this.createError(RangeError,`invalid payload length ${this._payloadLength}`,!0,1002,"WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH"))}}if(this._fin||this._fragmented||(this._fragmented=this._opcode),this._masked=!(128&~t[1]),this._isServer){if(!this._masked){return void e(this.createError(RangeError,"MASK must be set",!0,1002,"WS_ERR_EXPECTED_MASK"))}}else if(this._masked){return void e(this.createError(RangeError,"MASK must be clear",!0,1002,"WS_ERR_UNEXPECTED_MASK"))}126===this._payloadLength?this._state=1:127===this._payloadLength?this._state=2:this.haveLength(e)}else{e(this.createError(RangeError,"RSV1 must be clear",!0,1002,"WS_ERR_UNEXPECTED_RSV_1"))}}getPayloadLength16(e){this._bufferedBytes<2?this._loop=!1:(this._payloadLength=this.consume(2).readUInt16BE(0),this.haveLength(e))}getPayloadLength64(e){if(this._bufferedBytes<8)return void(this._loop=!1);const t=this.consume(8),s=t.readUInt32BE(0);if(s>Math.pow(2,21)-1){e(this.createError(RangeError,"Unsupported WebSocket frame: payload length > 2^53 - 1",!1,1009,"WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH"))}else this._payloadLength=s*Math.pow(2,32)+t.readUInt32BE(4),this.haveLength(e)}haveLength(e){if(this._payloadLength&&this._opcode<8&&(this._totalPayloadLength+=this._payloadLength,this._totalPayloadLength>this._maxPayload&&this._maxPayload>0)){e(this.createError(RangeError,"Max payload size exceeded",!1,1009,"WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"))}else this._masked?this._state=3:this._state=4}getMask(){this._bufferedBytes<4?this._loop=!1:(this._mask=this.consume(4),this._state=4)}getData(e){let t=n;if(this._payloadLength){if(this._bufferedBytes<this._payloadLength)return void(this._loop=!1);t=this.consume(this._payloadLength),this._masked&&this._mask[0]|this._mask[1]|this._mask[2]|this._mask[3]&&d(t,this._mask)}if(this._opcode>7)this.controlMessage(t,e);else{if(this._compressed)return this._state=5,void this.decompress(t,e);t.length&&(this._messageLength=this._totalPayloadLength,this._fragments.push(t)),this.dataMessage(e)}}decompress(e,t){this._extensions[i.extensionName].decompress(e,this._fin,((e,s)=>{if(e)return t(e);if(s.length){if(this._messageLength+=s.length,this._messageLength>this._maxPayload&&this._maxPayload>0){const e=this.createError(RangeError,"Max payload size exceeded",!1,1009,"WS_ERR_UNSUPPORTED_MESSAGE_LENGTH");return void t(e)}this._fragments.push(s)}this.dataMessage(t),0===this._state&&this.startLoop(t)}))}dataMessage(e){if(!this._fin)return void(this._state=0);const t=this._messageLength,s=this._fragments;if(this._totalPayloadLength=0,this._messageLength=0,this._fragmented=0,this._fragments=[],2===this._opcode){let r;r="nodebuffer"===this._binaryType?c(s,t):"arraybuffer"===this._binaryType?l(c(s,t)):s,this._allowSynchronousEvents?(this.emit("message",r,!0),this._state=0):(this._state=6,setImmediate((()=>{this.emit("message",r,!0),this._state=0,this.startLoop(e)})))}else{const r=c(s,t);if(!this._skipUTF8Validation&&!_(r)){const t=this.createError(Error,"invalid UTF-8 sequence",!0,1007,"WS_ERR_INVALID_UTF8");return void e(t)}5===this._state||this._allowSynchronousEvents?(this.emit("message",r,!1),this._state=0):(this._state=6,setImmediate((()=>{this.emit("message",r,!1),this._state=0,this.startLoop(e)})))}}controlMessage(e,t){if(8!==this._opcode)this._allowSynchronousEvents?(this.emit(9===this._opcode?"ping":"pong",e),this._state=0):(this._state=6,setImmediate((()=>{this.emit(9===this._opcode?"ping":"pong",e),this._state=0,this.startLoop(t)})));else{if(0===e.length)this._loop=!1,this.emit("conclude",1005,n),this.end();else{const s=e.readUInt16BE(0);if(!f(s)){const e=this.createError(RangeError,`invalid status code ${s}`,!0,1002,"WS_ERR_INVALID_CLOSE_CODE");return void t(e)}const r=new u(e.buffer,e.byteOffset+2,e.length-2);if(!this._skipUTF8Validation&&!_(r)){const e=this.createError(Error,"invalid UTF-8 sequence",!0,1007,"WS_ERR_INVALID_UTF8");return void t(e)}this._loop=!1,this.emit("conclude",s,r),this.end()}this._state=0}}createError(e,t,s,r,i){this._loop=!1,this._errored=!0;const o=new e(s?`Invalid WebSocket frame: ${t}`:t);return Error.captureStackTrace(o,this.createError),o.code=i,o[a]=r,o}}},914:(e,t,s)=>{"use strict";const{Duplex:r}=s(584),{randomFillSync:i}=s(982),o=s(971),{EMPTY_BUFFER:n}=s(614),{isValidStatusCode:a}=s(880),{mask:h,toBuffer:c}=s(338),l=Symbol("kByteLength"),d=Buffer.alloc(4),f=8192;let _,u=f;class p{constructor(e,t,s){this._extensions=t||{},s&&(this._generateMask=s,this._maskBuffer=Buffer.alloc(4)),this._socket=e,this._firstFragment=!0,this._compress=!1,this._bufferedBytes=0,this._deflating=!1,this._queue=[]}static frame(e,t){let s,r,o=!1,n=2,a=!1;t.mask&&(s=t.maskBuffer||d,t.generateMask?t.generateMask(s):(u===f&&(void 0===_&&(_=Buffer.alloc(f)),i(_,0,f),u=0),s[0]=_[u++],s[1]=_[u++],s[2]=_[u++],s[3]=_[u++]),a=!(s[0]|s[1]|s[2]|s[3]),n=6),"string"==typeof e?r=t.mask&&!a||void 0===t[l]?(e=Buffer.from(e)).length:t[l]:(r=e.length,o=t.mask&&t.readOnly&&!a);let c=r;r>=65536?(n+=8,c=127):r>125&&(n+=2,c=126);const p=Buffer.allocUnsafe(o?r+n:n);return p[0]=t.fin?128|t.opcode:t.opcode,t.rsv1&&(p[0]|=64),p[1]=c,126===c?p.writeUInt16BE(r,2):127===c&&(p[2]=p[3]=0,p.writeUIntBE(r,4,6)),t.mask?(p[1]|=128,p[n-4]=s[0],p[n-3]=s[1],p[n-2]=s[2],p[n-1]=s[3],a?[p,e]:o?(h(e,s,p,n,r),[p]):(h(e,s,e,0,r),[p,e])):[p,e]}close(e,t,s,r){let i;if(void 0===e)i=n;else{if("number"!=typeof e||!a(e))throw new TypeError("First argument must be a valid error code number");if(void 0!==t&&t.length){const s=Buffer.byteLength(t);if(s>123)throw new RangeError("The message must not be greater than 123 bytes");i=Buffer.allocUnsafe(2+s),i.writeUInt16BE(e,0),"string"==typeof t?i.write(t,2):i.set(t,2)}else i=Buffer.allocUnsafe(2),i.writeUInt16BE(e,0)}const o={[l]:i.length,fin:!0,generateMask:this._generateMask,mask:s,maskBuffer:this._maskBuffer,opcode:8,readOnly:!1,rsv1:!1};this._deflating?this.enqueue([this.dispatch,i,!1,o,r]):this.sendFrame(p.frame(i,o),r)}ping(e,t,s){let r,i;if("string"==typeof e?(r=Buffer.byteLength(e),i=!1):(r=(e=c(e)).length,i=c.readOnly),r>125)throw new RangeError("The data size must not be greater than 125 bytes");const o={[l]:r,fin:!0,generateMask:this._generateMask,mask:t,maskBuffer:this._maskBuffer,opcode:9,readOnly:i,rsv1:!1};this._deflating?this.enqueue([this.dispatch,e,!1,o,s]):this.sendFrame(p.frame(e,o),s)}pong(e,t,s){let r,i;if("string"==typeof e?(r=Buffer.byteLength(e),i=!1):(r=(e=c(e)).length,i=c.readOnly),r>125)throw new RangeError("The data size must not be greater than 125 bytes");const o={[l]:r,fin:!0,generateMask:this._generateMask,mask:t,maskBuffer:this._maskBuffer,opcode:10,readOnly:i,rsv1:!1};this._deflating?this.enqueue([this.dispatch,e,!1,o,s]):this.sendFrame(p.frame(e,o),s)}send(e,t,s){const r=this._extensions[o.extensionName];let i,n,a=t.binary?2:1,h=t.compress;if("string"==typeof e?(i=Buffer.byteLength(e),n=!1):(i=(e=c(e)).length,n=c.readOnly),this._firstFragment?(this._firstFragment=!1,h&&r&&r.params[r._isServer?"server_no_context_takeover":"client_no_context_takeover"]&&(h=i>=r._threshold),this._compress=h):(h=!1,a=0),t.fin&&(this._firstFragment=!0),r){const r={[l]:i,fin:t.fin,generateMask:this._generateMask,mask:t.mask,maskBuffer:this._maskBuffer,opcode:a,readOnly:n,rsv1:h};this._deflating?this.enqueue([this.dispatch,e,this._compress,r,s]):this.dispatch(e,this._compress,r,s)}else this.sendFrame(p.frame(e,{[l]:i,fin:t.fin,generateMask:this._generateMask,mask:t.mask,maskBuffer:this._maskBuffer,opcode:a,readOnly:n,rsv1:!1}),s)}dispatch(e,t,s,r){if(!t)return void this.sendFrame(p.frame(e,s),r);const i=this._extensions[o.extensionName];this._bufferedBytes+=s[l],this._deflating=!0,i.compress(e,s.fin,((e,t)=>{if(this._socket.destroyed){const e=new Error("The socket was closed while data was being compressed");"function"==typeof r&&r(e);for(let t=0;t<this._queue.length;t++){const s=this._queue[t],r=s[s.length-1];"function"==typeof r&&r(e)}}else this._bufferedBytes-=s[l],this._deflating=!1,s.readOnly=!1,this.sendFrame(p.frame(t,s),r),this.dequeue()}))}dequeue(){for(;!this._deflating&&this._queue.length;){const e=this._queue.shift();this._bufferedBytes-=e[3][l],Reflect.apply(e[0],this,e.slice(1))}}enqueue(e){this._bufferedBytes+=e[3][l],this._queue.push(e)}sendFrame(e,t){2===e.length?(this._socket.cork(),this._socket.write(e[0]),this._socket.write(e[1],t),this._socket.uncork()):this._socket.write(e[0],t)}}e.exports=p},719:(e,t,s)=>{"use strict";const{Duplex:r}=s(584);function i(e){e.emit("close")}function o(){!this.destroyed&&this._writableState.finished&&this.destroy()}function n(e){this.removeListener("error",n),this.destroy(),0===this.listenerCount("error")&&this.emit("error",e)}e.exports=function(e,t){let s=!0;const a=new r({...t,autoDestroy:!1,emitClose:!1,objectMode:!1,writableObjectMode:!1});return e.on("message",(function(t,s){const r=!s&&a._readableState.objectMode?t.toString():t;a.push(r)||e.pause()})),e.once("error",(function(e){a.destroyed||(s=!1,a.destroy(e))})),e.once("close",(function(){a.destroyed||a.push(null)})),a._destroy=function(t,r){if(e.readyState===e.CLOSED)return r(t),void process.nextTick(i,a);let o=!1;e.once("error",(function(e){o=!0,r(e)})),e.once("close",(function(){o||r(t),process.nextTick(i,a)})),s&&e.terminate()},a._final=function(t){e.readyState!==e.CONNECTING?null!==e._socket&&(e._socket._writableState.finished?(t(),a._readableState.endEmitted&&a.destroy()):(e._socket.once("finish",(function(){t()})),e.close())):e.once("open",(function(){a._final(t)}))},a._read=function(){e.isPaused&&e.resume()},a._write=function(t,s,r){e.readyState!==e.CONNECTING?e.send(t,r):e.once("open",(function(){a._write(t,s,r)}))},a.on("end",o),a.on("error",n),a}},237:(e,t,s)=>{"use strict";const{tokenChars:r}=s(880);e.exports={parse:function(e){const t=new Set;let s=-1,i=-1,o=0;for(;o<e.length;o++){const n=e.charCodeAt(o);if(-1===i&&1===r[n])-1===s&&(s=o);else if(0===o||32!==n&&9!==n){if(44!==n)throw new SyntaxError(`Unexpected character at index ${o}`);{if(-1===s)throw new SyntaxError(`Unexpected character at index ${o}`);-1===i&&(i=o);const r=e.slice(s,i);if(t.has(r))throw new SyntaxError(`The "${r}" subprotocol is duplicated`);t.add(r),s=i=-1}}else-1===i&&-1!==s&&(i=o)}if(-1===s||-1!==i)throw new SyntaxError("Unexpected end of input");const n=e.slice(s,o);if(t.has(n))throw new SyntaxError(`The "${n}" subprotocol is duplicated`);return t.add(n),t}}},880:(e,t,s)=>{"use strict";const{isUtf8:r}=s(181);function i(e){const t=e.length;let s=0;for(;s<t;)if(128&e[s])if(192==(224&e[s])){if(s+1===t||128!=(192&e[s+1])||192==(254&e[s]))return!1;s+=2}else if(224==(240&e[s])){if(s+2>=t||128!=(192&e[s+1])||128!=(192&e[s+2])||224===e[s]&&128==(224&e[s+1])||237===e[s]&&160==(224&e[s+1]))return!1;s+=3}else{if(240!=(248&e[s]))return!1;if(s+3>=t||128!=(192&e[s+1])||128!=(192&e[s+2])||128!=(192&e[s+3])||240===e[s]&&128==(240&e[s+1])||244===e[s]&&e[s+1]>143||e[s]>244)return!1;s+=4}else s++;return!0}if(e.exports={isValidStatusCode:function(e){return e>=1e3&&e<=1014&&1004!==e&&1005!==e&&1006!==e||e>=3e3&&e<=4999},isValidUTF8:i,tokenChars:[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,1,1,0,0,1,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,0,1,0]},r)e.exports.isValidUTF8=function(e){return e.length<24?i(e):r(e)};else if(!process.env.WS_NO_UTF_8_VALIDATE)try{const t=s(Object(function(){var e=new Error("Cannot find module 'utf-8-validate'");throw e.code="MODULE_NOT_FOUND",e}()));e.exports.isValidUTF8=function(e){return e.length<32?i(e):t(e)}}catch(e){}},722:(e,t,s)=>{"use strict";const r=s(434),i=s(611),{Duplex:o}=s(584),{createHash:n}=s(982),a=s(926),h=s(971),c=s(237),l=s(60),{GUID:d,kWebSocket:f}=s(614),_=/^[+/0-9A-Za-z]{22}==$/;function u(e){e._state=2,e.emit("close")}function p(){this.destroy()}function m(e,t,s,r){s=s||i.STATUS_CODES[t],r={Connection:"close","Content-Type":"text/html","Content-Length":Buffer.byteLength(s),...r},e.once("finish",e.destroy),e.end(`HTTP/1.1 ${t} ${i.STATUS_CODES[t]}\r\n`+Object.keys(r).map((e=>`${e}: ${r[e]}`)).join("\r\n")+"\r\n\r\n"+s)}function y(e,t,s,r,i){if(e.listenerCount("wsClientError")){const r=new Error(i);Error.captureStackTrace(r,y),e.emit("wsClientError",r,s,t)}else m(s,r,i)}e.exports=class extends r{constructor(e,t){if(super(),null==(e={allowSynchronousEvents:!0,autoPong:!0,maxPayload:104857600,skipUTF8Validation:!1,perMessageDeflate:!1,handleProtocols:null,clientTracking:!0,verifyClient:null,noServer:!1,backlog:null,server:null,host:null,path:null,port:null,WebSocket:l,...e}).port&&!e.server&&!e.noServer||null!=e.port&&(e.server||e.noServer)||e.server&&e.noServer)throw new TypeError('One and only one of the "port", "server", or "noServer" options must be specified');if(null!=e.port?(this._server=i.createServer(((e,t)=>{const s=i.STATUS_CODES[426];t.writeHead(426,{"Content-Length":s.length,"Content-Type":"text/plain"}),t.end(s)})),this._server.listen(e.port,e.host,e.backlog,t)):e.server&&(this._server=e.server),this._server){const e=this.emit.bind(this,"connection");this._removeListeners=function(e,t){for(const s of Object.keys(t))e.on(s,t[s]);return function(){for(const s of Object.keys(t))e.removeListener(s,t[s])}}(this._server,{listening:this.emit.bind(this,"listening"),error:this.emit.bind(this,"error"),upgrade:(t,s,r)=>{this.handleUpgrade(t,s,r,e)}})}!0===e.perMessageDeflate&&(e.perMessageDeflate={}),e.clientTracking&&(this.clients=new Set,this._shouldEmitClose=!1),this.options=e,this._state=0}address(){if(this.options.noServer)throw new Error('The server is operating in "noServer" mode');return this._server?this._server.address():null}close(e){if(2===this._state)return e&&this.once("close",(()=>{e(new Error("The server is not running"))})),void process.nextTick(u,this);if(e&&this.once("close",e),1!==this._state)if(this._state=1,this.options.noServer||this.options.server)this._server&&(this._removeListeners(),this._removeListeners=this._server=null),this.clients&&this.clients.size?this._shouldEmitClose=!0:process.nextTick(u,this);else{const e=this._server;this._removeListeners(),this._removeListeners=this._server=null,e.close((()=>{u(this)}))}}shouldHandle(e){if(this.options.path){const t=e.url.indexOf("?");if((-1!==t?e.url.slice(0,t):e.url)!==this.options.path)return!1}return!0}handleUpgrade(e,t,s,r){t.on("error",p);const i=e.headers["sec-websocket-key"],o=e.headers.upgrade,n=+e.headers["sec-websocket-version"];if("GET"!==e.method){return void y(this,e,t,405,"Invalid HTTP method")}if(void 0===o||"websocket"!==o.toLowerCase()){return void y(this,e,t,400,"Invalid Upgrade header")}if(void 0===i||!_.test(i)){return void y(this,e,t,400,"Missing or invalid Sec-WebSocket-Key header")}if(8!==n&&13!==n){return void y(this,e,t,400,"Missing or invalid Sec-WebSocket-Version header")}if(!this.shouldHandle(e))return void m(t,400);const l=e.headers["sec-websocket-protocol"];let d=new Set;if(void 0!==l)try{d=c.parse(l)}catch(s){return void y(this,e,t,400,"Invalid Sec-WebSocket-Protocol header")}const f=e.headers["sec-websocket-extensions"],u={};if(this.options.perMessageDeflate&&void 0!==f){const s=new h(this.options.perMessageDeflate,!0,this.options.maxPayload);try{const e=a.parse(f);e[h.extensionName]&&(s.accept(e[h.extensionName]),u[h.extensionName]=s)}catch(s){return void y(this,e,t,400,"Invalid or unacceptable Sec-WebSocket-Extensions header")}}if(this.options.verifyClient){const o={origin:e.headers[""+(8===n?"sec-websocket-origin":"origin")],secure:!(!e.socket.authorized&&!e.socket.encrypted),req:e};if(2===this.options.verifyClient.length)return void this.options.verifyClient(o,((o,n,a,h)=>{if(!o)return m(t,n||401,a,h);this.completeUpgrade(u,i,d,e,t,s,r)}));if(!this.options.verifyClient(o))return m(t,401)}this.completeUpgrade(u,i,d,e,t,s,r)}completeUpgrade(e,t,s,r,i,o,c){if(!i.readable||!i.writable)return i.destroy();if(i[f])throw new Error("server.handleUpgrade() was called more than once with the same socket, possibly due to a misconfiguration");if(this._state>0)return m(i,503);const l=["HTTP/1.1 101 Switching Protocols","Upgrade: websocket","Connection: Upgrade",`Sec-WebSocket-Accept: ${n("sha1").update(t+d).digest("base64")}`],_=new this.options.WebSocket(null,void 0,this.options);if(s.size){const e=this.options.handleProtocols?this.options.handleProtocols(s,r):s.values().next().value;e&&(l.push(`Sec-WebSocket-Protocol: ${e}`),_._protocol=e)}if(e[h.extensionName]){const t=e[h.extensionName].params,s=a.format({[h.extensionName]:[t]});l.push(`Sec-WebSocket-Extensions: ${s}`),_._extensions=e}this.emit("headers",l,r),i.write(l.concat("\r\n").join("\r\n")),i.removeListener("error",p),_.setSocket(i,o,{allowSynchronousEvents:this.options.allowSynchronousEvents,maxPayload:this.options.maxPayload,skipUTF8Validation:this.options.skipUTF8Validation}),this.clients&&(this.clients.add(_),_.on("close",(()=>{this.clients.delete(_),this._shouldEmitClose&&!this.clients.size&&process.nextTick(u,this)}))),c(_,r)}}},60:(e,t,s)=>{"use strict";const r=s(434),i=s(692),o=s(611),n=s(278),a=s(756),{randomBytes:h,createHash:c}=s(982),{Duplex:l,Readable:d}=s(584),{URL:f}=s(16),_=s(971),u=s(286),p=s(914),{BINARY_TYPES:m,EMPTY_BUFFER:y,GUID:v,kForOnEventAttribute:g,kListener:b,kStatusCode:S,kWebSocket:w,NOOP:E}=s(614),{EventTarget:{addEventListener:k,removeEventListener:x}}=s(597),{format:O,parse:T}=s(926),{toBuffer:C}=s(338),N=Symbol("kAborted"),L=[8,13],P=["CONNECTING","OPEN","CLOSING","CLOSED"],R=/^[!#$%&'*+\-.0-9A-Z^_`|a-z~]+$/;class U extends r{constructor(e,t,s){super(),this._binaryType=m[0],this._closeCode=1006,this._closeFrameReceived=!1,this._closeFrameSent=!1,this._closeMessage=y,this._closeTimer=null,this._extensions={},this._paused=!1,this._protocol="",this._readyState=U.CONNECTING,this._receiver=null,this._sender=null,this._socket=null,null!==e?(this._bufferedAmount=0,this._isServer=!1,this._redirects=0,void 0===t?t=[]:Array.isArray(t)||("object"==typeof t&&null!==t?(s=t,t=[]):t=[t]),B(this,e,t,s)):(this._autoPong=s.autoPong,this._isServer=!0)}get binaryType(){return this._binaryType}set binaryType(e){m.includes(e)&&(this._binaryType=e,this._receiver&&(this._receiver._binaryType=e))}get bufferedAmount(){return this._socket?this._socket._writableState.length+this._sender._bufferedBytes:this._bufferedAmount}get extensions(){return Object.keys(this._extensions).join()}get isPaused(){return this._paused}get onclose(){return null}get onerror(){return null}get onopen(){return null}get onmessage(){return null}get protocol(){return this._protocol}get readyState(){return this._readyState}get url(){return this._url}setSocket(e,t,s){const r=new u({allowSynchronousEvents:s.allowSynchronousEvents,binaryType:this.binaryType,extensions:this._extensions,isServer:this._isServer,maxPayload:s.maxPayload,skipUTF8Validation:s.skipUTF8Validation});this._sender=new p(e,this._extensions,s.generateMask),this._receiver=r,this._socket=e,r[w]=this,e[w]=this,r.on("conclude",F),r.on("drain",j),r.on("error",$),r.on("message",V),r.on("ping",q),r.on("pong",z),e.setTimeout&&e.setTimeout(0),e.setNoDelay&&e.setNoDelay(),t.length>0&&e.unshift(t),e.on("close",Y),e.on("data",X),e.on("end",K),e.on("error",Z),this._readyState=U.OPEN,this.emit("open")}emitClose(){if(!this._socket)return this._readyState=U.CLOSED,void this.emit("close",this._closeCode,this._closeMessage);this._extensions[_.extensionName]&&this._extensions[_.extensionName].cleanup(),this._receiver.removeAllListeners(),this._readyState=U.CLOSED,this.emit("close",this._closeCode,this._closeMessage)}close(e,t){if(this.readyState!==U.CLOSED)if(this.readyState!==U.CONNECTING)this.readyState!==U.CLOSING?(this._readyState=U.CLOSING,this._sender.close(e,t,!this._isServer,(e=>{e||(this._closeFrameSent=!0,(this._closeFrameReceived||this._receiver._writableState.errorEmitted)&&this._socket.end())})),this._closeTimer=setTimeout(this._socket.destroy.bind(this._socket),3e4)):this._closeFrameSent&&(this._closeFrameReceived||this._receiver._writableState.errorEmitted)&&this._socket.end();else{const e="WebSocket was closed before the connection was established";D(this,this._req,e)}}pause(){this.readyState!==U.CONNECTING&&this.readyState!==U.CLOSED&&(this._paused=!0,this._socket.pause())}ping(e,t,s){if(this.readyState===U.CONNECTING)throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");"function"==typeof e?(s=e,e=t=void 0):"function"==typeof t&&(s=t,t=void 0),"number"==typeof e&&(e=e.toString()),this.readyState===U.OPEN?(void 0===t&&(t=!this._isServer),this._sender.ping(e||y,t,s)):A(this,e,s)}pong(e,t,s){if(this.readyState===U.CONNECTING)throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");"function"==typeof e?(s=e,e=t=void 0):"function"==typeof t&&(s=t,t=void 0),"number"==typeof e&&(e=e.toString()),this.readyState===U.OPEN?(void 0===t&&(t=!this._isServer),this._sender.pong(e||y,t,s)):A(this,e,s)}resume(){this.readyState!==U.CONNECTING&&this.readyState!==U.CLOSED&&(this._paused=!1,this._receiver._writableState.needDrain||this._socket.resume())}send(e,t,s){if(this.readyState===U.CONNECTING)throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");if("function"==typeof t&&(s=t,t={}),"number"==typeof e&&(e=e.toString()),this.readyState!==U.OPEN)return void A(this,e,s);const r={binary:"string"!=typeof e,mask:!this._isServer,compress:!0,fin:!0,...t};this._extensions[_.extensionName]||(r.compress=!1),this._sender.send(e||y,r,s)}terminate(){if(this.readyState!==U.CLOSED)if(this.readyState!==U.CONNECTING)this._socket&&(this._readyState=U.CLOSING,this._socket.destroy());else{const e="WebSocket was closed before the connection was established";D(this,this._req,e)}}}function B(e,t,s,r){const n={allowSynchronousEvents:!0,autoPong:!0,protocolVersion:L[1],maxPayload:104857600,skipUTF8Validation:!1,perMessageDeflate:!0,followRedirects:!1,maxRedirects:10,...r,socketPath:void 0,hostname:void 0,protocol:void 0,timeout:void 0,method:"GET",host:void 0,path:void 0,port:void 0};if(e._autoPong=n.autoPong,!L.includes(n.protocolVersion))throw new RangeError(`Unsupported protocol version: ${n.protocolVersion} (supported versions: ${L.join(", ")})`);let a;if(t instanceof f)a=t;else try{a=new f(t)}catch(e){throw new SyntaxError(`Invalid URL: 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t=d?!!e._originalIpc&&n.socketPath===e._originalHostOrSocketPath:!e._originalIpc&&a.host===e._originalHostOrSocketPath;(!t||e._originalSecure&&!l)&&(delete n.headers.authorization,delete n.headers.cookie,t||delete n.headers.host,n.auth=void 0)}n.auth&&!r.headers.authorization&&(r.headers.authorization="Basic "+Buffer.from(n.auth).toString("base64")),S=e._req=y(n),e._redirects&&e.emit("redirect",e.url,S)}else S=e._req=y(n);n.timeout&&S.on("timeout",(()=>{D(e,S,"Opening handshake has timed out")})),S.on("error",(t=>{null===S||S[N]||(S=e._req=null,I(e,t))})),S.on("response",(i=>{const o=i.headers.location,a=i.statusCode;if(o&&n.followRedirects&&a>=300&&a<400){if(++e._redirects>n.maxRedirects)return void D(e,S,"Maximum redirects exceeded");let i;S.abort();try{i=new f(o,t)}catch(t){const s=new SyntaxError(`Invalid URL: ${o}`);return void I(e,s)}B(e,i,s,r)}else e.emit("unexpected-response",S,i)||D(e,S,`Unexpected server response: 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i=exports;for(var o in r)i[o]=r[o];r.__esModule&&Object.defineProperty(i,"__esModule",{value:!0})})(); |