@umijs/deps/compiled/http-proxy-middleware/index.js

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module.exports=(()=>{var e={848:e=>{"use strict";var t=Object.prototype.hasOwnProperty,r="~";function Events(){}if(Object.create){Events.prototype=Object.create(null);if(!(new Events).__proto__)r=false}function EE(e,t,r){this.fn=e;this.context=t;this.once=r||false}function addListener(e,t,n,o,s){if(typeof n!=="function"){throw new TypeError("The listener must be a function")}var i=new EE(n,o||e,s),u=r?r+t:t;if(!e._events[u])e._events[u]=i,e._eventsCount++;else if(!e._events[u].fn)e._events[u].push(i);else e._events[u]=[e._events[u],i];return e}function clearEvent(e,t){if(--e._eventsCount===0)e._events=new Events;else delete e._events[t]}function EventEmitter(){this._events=new Events;this._eventsCount=0}EventEmitter.prototype.eventNames=function eventNames(){var e=[],n,o;if(this._eventsCount===0)return e;for(o in n=this._events){if(t.call(n,o))e.push(r?o.slice(1):o)}if(Object.getOwnPropertySymbols){return e.concat(Object.getOwnPropertySymbols(n))}return e};EventEmitter.prototype.listeners=function listeners(e){var t=r?r+e:e,n=this._events[t];if(!n)return[];if(n.fn)return[n.fn];for(var o=0,s=n.length,i=new Array(s);o<s;o++){i[o]=n[o].fn}return i};EventEmitter.prototype.listenerCount=function listenerCount(e){var t=r?r+e:e,n=this._events[t];if(!n)return 0;if(n.fn)return 1;return n.length};EventEmitter.prototype.emit=function emit(e,t,n,o,s,i){var u=r?r+e:e;if(!this._events[u])return false;var a=this._events[u],c=arguments.length,l,f;if(a.fn){if(a.once)this.removeListener(e,a.fn,undefined,true);switch(c){case 1:return a.fn.call(a.context),true;case 2:return a.fn.call(a.context,t),true;case 3:return a.fn.call(a.context,t,n),true;case 4:return a.fn.call(a.context,t,n,o),true;case 5:return a.fn.call(a.context,t,n,o,s),true;case 6:return a.fn.call(a.context,t,n,o,s,i),true}for(f=1,l=new Array(c-1);f<c;f++){l[f-1]=arguments[f]}a.fn.apply(a.context,l)}else{var p=a.length,h;for(f=0;f<p;f++){if(a[f].once)this.removeListener(e,a[f].fn,undefined,true);switch(c){case 1:a[f].fn.call(a[f].context);break;case 2:a[f].fn.call(a[f].context,t);break;case 3:a[f].fn.call(a[f].context,t,n);break;case 4:a[f].fn.call(a[f].context,t,n,o);break;default:if(!l)for(h=1,l=new Array(c-1);h<c;h++){l[h-1]=arguments[h]}a[f].fn.apply(a[f].context,l)}}}return true};EventEmitter.prototype.on=function on(e,t,r){return addListener(this,e,t,r,false)};EventEmitter.prototype.once=function once(e,t,r){return addListener(this,e,t,r,true)};EventEmitter.prototype.removeListener=function removeListener(e,t,n,o){var s=r?r+e:e;if(!this._events[s])return this;if(!t){clearEvent(this,s);return this}var i=this._events[s];if(i.fn){if(i.fn===t&&(!o||i.once)&&(!n||i.context===n)){clearEvent(this,s)}}else{for(var u=0,a=[],c=i.length;u<c;u++){if(i[u].fn!==t||o&&!i[u].once||n&&i[u].context!==n){a.push(i[u])}}if(a.length)this._events[s]=a.length===1?a[0]:a;else clearEvent(this,s)}return this};EventEmitter.prototype.removeAllListeners=function removeAllListeners(e){var t;if(e){t=r?r+e:e;if(this._events[t])clearEvent(this,t)}else{this._events=new Events;this._eventsCount=0}return this};EventEmitter.prototype.off=EventEmitter.prototype.removeListener;EventEmitter.prototype.addListener=EventEmitter.prototype.on;EventEmitter.prefixed=r;EventEmitter.EventEmitter=EventEmitter;if(true){e.exports=EventEmitter}},133:(e,t,r)=>{var n;try{n=r(492)("follow-redirects")}catch(e){n=function(){}}e.exports=n},707:(e,t,r)=>{var n=r(835);var o=n.URL;var s=r(605);var i=r(211);var u=r(413).Writable;var a=r(357);var c=r(133);var l=Object.create(null);["abort","aborted","connect","error","socket","timeout"].forEach(function(e){l[e]=function(t,r,n){this._redirectable.emit(e,t,r,n)}});var f=createErrorType("ERR_FR_REDIRECTION_FAILURE","");var p=createErrorType("ERR_FR_TOO_MANY_REDIRECTS","Maximum number of redirects exceeded");var h=createErrorType("ERR_FR_MAX_BODY_LENGTH_EXCEEDED","Request body larger than maxBodyLength limit");var d=createErrorType("ERR_STREAM_WRITE_AFTER_END","write after end");function RedirectableRequest(e,t){u.call(this);this._sanitizeOptions(e);this._options=e;this._ended=false;this._ending=false;this._redirectCount=0;this._redirects=[];this._requestBodyLength=0;this._requestBodyBuffers=[];if(t){this.on("response",t)}var r=this;this._onNativeResponse=function(e){r._processResponse(e)};this._performRequest()}RedirectableRequest.prototype=Object.create(u.prototype);RedirectableRequest.prototype.write=function(e,t,r){if(this._ending){throw new d}if(!(typeof e==="string"||typeof e==="object"&&"length"in e)){throw new TypeError("data should be a string, Buffer or Uint8Array")}if(typeof t==="function"){r=t;t=null}if(e.length===0){if(r){r()}return}if(this._requestBodyLength+e.length<=this._options.maxBodyLength){this._requestBodyLength+=e.length;this._requestBodyBuffers.push({data:e,encoding:t});this._currentRequest.write(e,t,r)}else{this.emit("error",new h);this.abort()}};RedirectableRequest.prototype.end=function(e,t,r){if(typeof e==="function"){r=e;e=t=null}else if(typeof t==="function"){r=t;t=null}if(!e){this._ended=this._ending=true;this._currentRequest.end(null,null,r)}else{var n=this;var o=this._currentRequest;this.write(e,t,function(){n._ended=true;o.end(null,null,r)});this._ending=true}};RedirectableRequest.prototype.setHeader=function(e,t){this._options.headers[e]=t;this._currentRequest.setHeader(e,t)};RedirectableRequest.prototype.removeHeader=function(e){delete this._options.headers[e];this._currentRequest.removeHeader(e)};RedirectableRequest.prototype.setTimeout=function(e,t){if(t){this.once("timeout",t)}if(this.socket){startTimer(this,e)}else{var r=this;this._currentRequest.once("socket",function(){startTimer(r,e)})}this.once("response",clearTimer);this.once("error",clearTimer);return this};function startTimer(e,t){clearTimeout(e._timeout);e._timeout=setTimeout(function(){e.emit("timeout")},t)}function clearTimer(){clearTimeout(this._timeout)}["abort","flushHeaders","getHeader","setNoDelay","setSocketKeepAlive"].forEach(function(e){RedirectableRequest.prototype[e]=function(t,r){return this._currentRequest[e](t,r)}});["aborted","connection","socket"].forEach(function(e){Object.defineProperty(RedirectableRequest.prototype,e,{get:function(){return this._currentRequest[e]}})});RedirectableRequest.prototype._sanitizeOptions=function(e){if(!e.headers){e.headers={}}if(e.host){if(!e.hostname){e.hostname=e.host}delete e.host}if(!e.pathname&&e.path){var t=e.path.indexOf("?");if(t<0){e.pathname=e.path}else{e.pathname=e.path.substring(0,t);e.search=e.path.substring(t)}}};RedirectableRequest.prototype._performRequest=function(){var e=this._options.protocol;var t=this._options.nativeProtocols[e];if(!t){this.emit("error",new TypeError("Unsupported protocol "+e));return}if(this._options.agents){var r=e.substr(0,e.length-1);this._options.agent=this._options.agents[r]}var o=this._currentRequest=t.request(this._options,this._onNativeResponse);this._currentUrl=n.format(this._options);o._redirectable=this;for(var s in l){if(s){o.on(s,l[s])}}if(this._isRedirect){var i=0;var u=this;var a=this._requestBodyBuffers;(function writeNext(e){if(o===u._currentRequest){if(e){u.emit("error",e)}else if(i<a.length){var t=a[i++];if(!o.finished){o.write(t.data,t.encoding,writeNext)}}else if(u._ended){o.end()}}})()}};RedirectableRequest.prototype._processResponse=function(e){var t=e.statusCode;if(this._options.trackRedirects){this._redirects.push({url:this._currentUrl,headers:e.headers,statusCode:t})}var r=e.headers.location;if(r&&this._options.followRedirects!==false&&t>=300&&t<400){this._currentRequest.removeAllListeners();this._currentRequest.on("error",noop);this._currentRequest.abort();e.destroy();if(++this._redirectCount>this._options.maxRedirects){this.emit("error",new p);return}if((t===301||t===302)&&this._options.method==="POST"||t===303&&!/^(?:GET|HEAD)$/.test(this._options.method)){this._options.method="GET";this._requestBodyBuffers=[];removeMatchingHeaders(/^content-/i,this._options.headers)}var o=removeMatchingHeaders(/^host$/i,this._options.headers)||n.parse(this._currentUrl).hostname;var s=n.resolve(this._currentUrl,r);c("redirecting to",s);this._isRedirect=true;var i=n.parse(s);Object.assign(this._options,i);if(i.hostname!==o){removeMatchingHeaders(/^authorization$/i,this._options.headers)}if(typeof this._options.beforeRedirect==="function"){var u={headers:e.headers};try{this._options.beforeRedirect.call(null,this._options,u)}catch(e){this.emit("error",e);return}this._sanitizeOptions(this._options)}try{this._performRequest()}catch(e){var a=new f("Redirected request failed: "+e.message);a.cause=e;this.emit("error",a)}}else{e.responseUrl=this._currentUrl;e.redirects=this._redirects;this.emit("response",e);this._requestBodyBuffers=[]}};function wrap(e){var t={maxRedirects:21,maxBodyLength:10*1024*1024};var r={};Object.keys(e).forEach(function(s){var i=s+":";var u=r[i]=e[s];var l=t[s]=Object.create(u);function request(e,s,u){if(typeof e==="string"){var l=e;try{e=urlToOptions(new o(l))}catch(t){e=n.parse(l)}}else if(o&&e instanceof o){e=urlToOptions(e)}else{u=s;s=e;e={protocol:i}}if(typeof s==="function"){u=s;s=null}s=Object.assign({maxRedirects:t.maxRedirects,maxBodyLength:t.maxBodyLength},e,s);s.nativeProtocols=r;a.equal(s.protocol,i,"protocol mismatch");c("options",s);return new RedirectableRequest(s,u)}function get(e,t,r){var n=l.request(e,t,r);n.end();return n}Object.defineProperties(l,{request:{value:request,configurable:true,enumerable:true,writable:true},get:{value:get,configurable:true,enumerable:true,writable:true}})});return t}function noop(){}function urlToOptions(e){var t={protocol:e.protocol,hostname:e.hostname.startsWith("[")?e.hostname.slice(1,-1):e.hostname,hash:e.hash,search:e.search,pathname:e.pathname,path:e.pathname+e.search,href:e.href};if(e.port!==""){t.port=Number(e.port)}return t}function removeMatchingHeaders(e,t){var r;for(var n in t){if(e.test(n)){r=t[n];delete t[n]}}return r}function createErrorType(e,t){function CustomError(e){Error.captureStackTrace(this,this.constructor);this.message=e||t}CustomError.prototype=new Error;CustomError.prototype.constructor=CustomError;CustomError.prototype.name="Error ["+e+"]";CustomError.prototype.code=e;return CustomError}e.exports=wrap({http:s,https:i});e.exports.wrap=wrap},714:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:true});t.createConfig=void 0;const n=r(894);const o=r(835);const s=r(699);const i=r(862);const u=i.getInstance();function createConfig(e,t){const r={context:undefined,options:{}};if(isContextless(e,t)){r.context="/";r.options=n.assign(r.options,e)}else if(isStringShortHand(e)){const s=o.parse(e);const i=[s.protocol,"//",s.host].join("");r.context=s.pathname||"/";r.options=n.assign(r.options,{target:i},t);if(s.protocol==="ws:"||s.protocol==="wss:"){r.options.ws=true}}else{r.context=e;r.options=n.assign(r.options,t)}configureLogger(r.options);if(!r.options.target){throw new Error(s.ERRORS.ERR_CONFIG_FACTORY_TARGET_MISSING)}return r}t.createConfig=createConfig;function isStringShortHand(e){if(n.isString(e)){return!!o.parse(e).host}}function isContextless(e,t){return n.isPlainObject(e)&&n.isEmpty(t)}function configureLogger(e){if(e.logLevel){u.setLevel(e.logLevel)}if(e.logProvider){u.setProvider(e.logProvider)}}},283:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:true});t.match=void 0;const n=r(466);const o=r(894);const s=r(245);const i=r(835);const u=r(699);function match(e,t,r){if(isStringPath(e)){return matchSingleStringPath(e,t)}if(isGlobPath(e)){return matchSingleGlobPath(e,t)}if(Array.isArray(e)){if(e.every(isStringPath)){return matchMultiPath(e,t)}if(e.every(isGlobPath)){return matchMultiGlobPath(e,t)}throw new Error(u.ERRORS.ERR_CONTEXT_MATCHER_INVALID_ARRAY)}if(o.isFunction(e)){const n=getUrlPathName(t);return e(n,r)}throw new Error(u.ERRORS.ERR_CONTEXT_MATCHER_GENERIC)}t.match=match;function matchSingleStringPath(e,t){const r=getUrlPathName(t);return r.indexOf(e)===0}function matchSingleGlobPath(e,t){const r=getUrlPathName(t);const n=s([r],e);return n&&n.length>0}function matchMultiGlobPath(e,t){return matchSingleGlobPath(e,t)}function matchMultiPath(e,t){let r=false;for(const n of e){if(matchSingleStringPath(n,t)){r=true;break}}return r}function getUrlPathName(e){return e&&i.parse(e).pathname}function isStringPath(e){return o.isString(e)&&!n(e)}function isGlobPath(e){return n(e)}},699:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:true});t.ERRORS=void 0;var r;(function(e){e["ERR_CONFIG_FACTORY_TARGET_MISSING"]='[HPM] Missing "target" option. Example: {target: "http://www.example.org"}';e["ERR_CONTEXT_MATCHER_GENERIC"]='[HPM] Invalid context. Expecting something like: "/api" or ["/api", "/ajax"]';e["ERR_CONTEXT_MATCHER_INVALID_ARRAY"]='[HPM] Invalid context. Expecting something like: ["/api", "/ajax"] or ["/api/**", "!**.html"]';e["ERR_PATH_REWRITER_CONFIG"]="[HPM] Invalid pathRewrite config. Expecting object with pathRewrite config or a rewrite function"})(r=t.ERRORS||(t.ERRORS={}))},287:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:true});t.getHandlers=t.init=void 0;const n=r(894);const o=r(862);const s=o.getInstance();function init(e,t){const r=getHandlers(t);for(const t of Object.keys(r)){e.on(t,r[t])}s.debug("[HPM] Subscribed to http-proxy events:",Object.keys(r))}t.init=init;function getHandlers(e){const t=["error","proxyReq","proxyReqWs","proxyRes","open","close"];const r={};for(const o of t){const t=n.camelCase("on "+o);const s=n.get(e,t);if(n.isFunction(s)){r[o]=s}}if(!n.isFunction(r.error)){r.error=defaultErrorHandler}if(!n.isFunction(r.close)){r.close=logClose}return r}t.getHandlers=getHandlers;function defaultErrorHandler(e,t,r){const n=t.headers&&t.headers.host;const o=e.code;if(r.writeHead&&!r.headersSent){if(/HPE_INVALID/.test(o)){r.writeHead(502)}else{switch(o){case"ECONNRESET":case"ENOTFOUND":case"ECONNREFUSED":r.writeHead(504);break;default:r.writeHead(500)}}}r.end("Error occured while trying to proxy to: "+n+t.url)}function logClose(e,t,r){s.info("[HPM] Client disconnected")}},397:function(e,t,r){"use strict";var n=this&&this.__awaiter||function(e,t,r,n){function adopt(e){return e instanceof r?e:new r(function(t){t(e)})}return new(r||(r=Promise))(function(r,o){function fulfilled(e){try{step(n.next(e))}catch(e){o(e)}}function rejected(e){try{step(n["throw"](e))}catch(e){o(e)}}function step(e){e.done?r(e.value):adopt(e.value).then(fulfilled,rejected)}step((n=n.apply(e,t||[])).next())})};Object.defineProperty(t,"__esModule",{value:true});t.HttpProxyMiddleware=void 0;const o=r(226);const s=r(894);const i=r(714);const u=r(283);const a=r(287);const c=r(862);const l=r(824);const f=r(718);class HttpProxyMiddleware{constructor(e,t){this.logger=c.getInstance();this.wsInternalSubscribed=false;this.middleware=((e,t,r)=>n(this,void 0,void 0,function*(){if(this.shouldProxy(this.config.context,e)){try{const n=yield this.prepareProxyRequest(e);this.proxy.web(e,t,n)}catch(e){r(e)}}else{r()}if(this.proxyOptions.ws===true){this.catchUpgradeRequest(e.connection.server)}}));this.catchUpgradeRequest=(e=>{if(!this.wsInternalSubscribed){e.on("upgrade",this.handleUpgrade);this.wsInternalSubscribed=true}});this.handleUpgrade=((e,t,r)=>n(this,void 0,void 0,function*(){if(this.shouldProxy(this.config.context,e)){const n=yield this.prepareProxyRequest(e);this.proxy.ws(e,t,r,n);this.logger.info("[HPM] Upgrading to WebSocket")}}));this.shouldProxy=((e,t)=>{const r=t.originalUrl||t.url;return u.match(e,r,t)});this.prepareProxyRequest=(e=>n(this,void 0,void 0,function*(){e.url=e.originalUrl||e.url;const t=e.url;const r=s.assign({},this.proxyOptions);yield this.applyRouter(e,r);yield this.applyPathRewrite(e,this.pathRewriter);if(this.proxyOptions.logLevel==="debug"){const n=c.getArrow(t,e.url,this.proxyOptions.target,r.target);this.logger.debug("[HPM] %s %s %s %s",e.method,t,n,r.target)}return r}));this.applyRouter=((e,t)=>n(this,void 0,void 0,function*(){let r;if(t.router){r=yield f.getTarget(e,t);if(r){this.logger.debug('[HPM] Router new target: %s -> "%s"',t.target,r);t.target=r}}}));this.applyPathRewrite=((e,t)=>n(this,void 0,void 0,function*(){if(t){const r=yield t(e.url,e);if(typeof r==="string"){e.url=r}else{this.logger.info("[HPM] pathRewrite: No rewritten path found. (%s)",e.url)}}}));this.logError=((e,t,r)=>{const n=t.headers&&t.headers.host||t.hostname||t.host;const o=this.proxyOptions.target.host||this.proxyOptions.target;const s="[HPM] Error occurred while trying to proxy request %s from %s to %s (%s) (%s)";const i="https://nodejs.org/api/errors.html#errors_common_system_errors";this.logger.error(s,t.url,n,o,e.code||e,i)});this.config=i.createConfig(e,t);this.proxyOptions=this.config.options;this.proxy=o.createProxyServer({});this.logger.info(`[HPM] Proxy created: ${this.config.context}  -> ${this.proxyOptions.target}`);this.pathRewriter=l.createPathRewriter(this.proxyOptions.pathRewrite);a.init(this.proxy,this.proxyOptions);this.proxy.on("error",this.logError);this.middleware.upgrade=((e,t,r)=>{if(!this.wsInternalSubscribed){this.handleUpgrade(e,t,r)}})}}t.HttpProxyMiddleware=HttpProxyMiddleware},38:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:true});t.createProxyMiddleware=void 0;const n=r(397);function createProxyMiddleware(e,t){const{middleware:r}=new n.HttpProxyMiddleware(e,t);return r}t.createProxyMiddleware=createProxyMiddleware},862:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:true});t.getArrow=t.getInstance=void 0;const n=r(894);const o=r(669);let s;const i={log:console.log,debug:console.log,info:console.info,warn:console.warn,error:console.error};var u;(function(e){e[e["debug"]=10]="debug";e[e["info"]=20]="info";e[e["warn"]=30]="warn";e[e["error"]=50]="error";e[e["silent"]=80]="silent"})(u||(u={}));function getInstance(){if(!s){s=new Logger}return s}t.getInstance=getInstance;class Logger{constructor(){this.setLevel("info");this.setProvider(()=>i)}log(){this.provider.log(this._interpolate.apply(null,arguments))}debug(){if(this._showLevel("debug")){this.provider.debug(this._interpolate.apply(null,arguments))}}info(){if(this._showLevel("info")){this.provider.info(this._interpolate.apply(null,arguments))}}warn(){if(this._showLevel("warn")){this.provider.warn(this._interpolate.apply(null,arguments))}}error(){if(this._showLevel("error")){this.provider.error(this._interpolate.apply(null,arguments))}}setLevel(e){if(this.isValidLevel(e)){this.logLevel=e}}setProvider(e){if(e&&this.isValidProvider(e)){this.provider=e(i)}}isValidProvider(e){const t=true;if(e&&!n.isFunction(e)){throw new Error("[HPM] Log provider config error. Expecting a function.")}return t}isValidLevel(e){const t=Object.keys(u);const r=t.includes(e);if(!r){throw new Error("[HPM] Log level error. 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new Error("type must be `web` or `ws`")}var n=e==="ws"?this.wsPasses:this.webPasses,o=false;n.forEach(function(e,r){if(e.name===t)o=r});if(o===false)throw new Error("No such pass");n.splice(o,0,r)};ProxyServer.prototype.after=function(e,t,r){if(e!=="ws"&&e!=="web"){throw new Error("type must be `web` or `ws`")}var n=e==="ws"?this.wsPasses:this.webPasses,o=false;n.forEach(function(e,r){if(e.name===t)o=r});if(o===false)throw new Error("No such pass");n.splice(o++,0,r)}},425:(e,t,r)=>{var n=r(605),o=r(211),s=r(578),i=r(879),u=r(707);s=Object.keys(s).map(function(e){return s[e]});var a={http:n,https:o};e.exports={deleteLength:function deleteLength(e,t,r){if((e.method==="DELETE"||e.method==="OPTIONS")&&!e.headers["content-length"]){e.headers["content-length"]="0";delete e.headers["transfer-encoding"]}},timeout:function timeout(e,t,r){if(r.timeout){e.socket.setTimeout(r.timeout)}},XHeaders:function XHeaders(e,t,r){if(!r.xfwd)return;var n=e.isSpdy||i.hasEncryptedConnection(e);var o={for:e.connection.remoteAddress||e.socket.remoteAddress,port:i.getPort(e),proto:n?"https":"http"};["for","port","proto"].forEach(function(t){e.headers["x-forwarded-"+t]=(e.headers["x-forwarded-"+t]||"")+(e.headers["x-forwarded-"+t]?",":"")+o[t]});e.headers["x-forwarded-host"]=e.headers["x-forwarded-host"]||e.headers["host"]||""},stream:function stream(e,t,r,n,o,c){o.emit("start",e,t,r.target||r.forward);var l=r.followRedirects?u:a;var f=l.http;var p=l.https;if(r.forward){var h=(r.forward.protocol==="https:"?p:f).request(i.setupOutgoing(r.ssl||{},r,e,"forward"));var d=createErrorHandler(h,r.forward);e.on("error",d);h.on("error",d);(r.buffer||e).pipe(h);if(!r.target){return t.end()}}var g=(r.target.protocol==="https:"?p:f).request(i.setupOutgoing(r.ssl||{},r,e));g.on("socket",function(n){if(o&&!g.getHeader("expect")){o.emit("proxyReq",g,e,t,r)}});if(r.proxyTimeout){g.setTimeout(r.proxyTimeout,function(){g.abort()})}e.on("aborted",function(){g.abort()});var R=createErrorHandler(g,r.target);e.on("error",R);g.on("error",R);function createErrorHandler(r,n){return function proxyError(s){if(e.socket.destroyed&&s.code==="ECONNRESET"){o.emit("econnreset",s,e,t,n);return r.abort()}if(c){c(s,e,t,n)}else{o.emit("error",s,e,t,n)}}}(r.buffer||e).pipe(g);g.on("response",function(n){if(o){o.emit("proxyRes",n,e,t)}if(!t.headersSent&&!r.selfHandleResponse){for(var i=0;i<s.length;i++){if(s[i](e,t,n,r)){break}}}if(!t.finished){n.on("end",function(){if(o)o.emit("end",e,t,n)});if(!r.selfHandleResponse)n.pipe(t)}else{if(o)o.emit("end",e,t,n)}})}}},578:(e,t,r)=>{var n=r(835),o=r(879);var s=/^201|30(1|2|7|8)$/;e.exports={removeChunked:function removeChunked(e,t,r){if(e.httpVersion==="1.0"){delete r.headers["transfer-encoding"]}},setConnection:function setConnection(e,t,r){if(e.httpVersion==="1.0"){r.headers.connection=e.headers.connection||"close"}else 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l=0;l<r.rawHeaders.length;l+=2){var f=r.rawHeaders[l];a[f.toLowerCase()]=f}}Object.keys(r.headers).forEach(function(e){var t=r.headers[e];if(u&&a){e=a[e]||e}c(e,t)})},writeStatusCode:function writeStatusCode(e,t,r){if(r.statusMessage){t.statusCode=r.statusCode;t.statusMessage=r.statusMessage}else{t.statusCode=r.statusCode}}}},974:(e,t,r)=>{var n=r(605),o=r(211),s=r(879);e.exports={checkMethodAndHeader:function checkMethodAndHeader(e,t){if(e.method!=="GET"||!e.headers.upgrade){t.destroy();return true}if(e.headers.upgrade.toLowerCase()!=="websocket"){t.destroy();return true}},XHeaders:function XHeaders(e,t,r){if(!r.xfwd)return;var n={for:e.connection.remoteAddress||e.socket.remoteAddress,port:s.getPort(e),proto:s.hasEncryptedConnection(e)?"wss":"ws"};["for","port","proto"].forEach(function(t){e.headers["x-forwarded-"+t]=(e.headers["x-forwarded-"+t]||"")+(e.headers["x-forwarded-"+t]?",":"")+n[t]})},stream:function stream(e,t,r,i,u,a){var c=function(e,t){return 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E=`[^.${c}]`;const v=`${f}*?`;c