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							- 'use strict';
 
- var utils = require('./../utils');
 
- var settle = require('./../core/settle');
 
- var buildFullPath = require('../core/buildFullPath');
 
- var buildURL = require('./../helpers/buildURL');
 
- var getProxyForUrl = require('proxy-from-env').getProxyForUrl;
 
- var http = require('http');
 
- var https = require('https');
 
- var httpFollow = require('follow-redirects/http');
 
- var httpsFollow = require('follow-redirects/https');
 
- var url = require('url');
 
- var zlib = require('zlib');
 
- var VERSION = require('./../env/data').version;
 
- var transitionalDefaults = require('../defaults/transitional');
 
- var AxiosError = require('../core/AxiosError');
 
- var CanceledError = require('../cancel/CanceledError');
 
- var platform = require('../platform');
 
- var fromDataURI = require('../helpers/fromDataURI');
 
- var stream = require('stream');
 
- var isHttps = /https:?/;
 
- var supportedProtocols = platform.protocols.map(function(protocol) {
 
-   return protocol + ':';
 
- });
 
- function dispatchBeforeRedirect(options) {
 
-   if (options.beforeRedirects.proxy) {
 
-     options.beforeRedirects.proxy(options);
 
-   }
 
-   if (options.beforeRedirects.config) {
 
-     options.beforeRedirects.config(options);
 
-   }
 
- }
 
- /**
 
-  *
 
-  * @param {http.ClientRequestArgs} options
 
-  * @param {AxiosProxyConfig} configProxy
 
-  * @param {string} location
 
-  */
 
- function setProxy(options, configProxy, location) {
 
-   var proxy = configProxy;
 
-   if (!proxy && proxy !== false) {
 
-     var proxyUrl = getProxyForUrl(location);
 
-     if (proxyUrl) {
 
-       proxy = url.parse(proxyUrl);
 
-       // replace 'host' since the proxy object is not a URL object
 
-       proxy.host = proxy.hostname;
 
-     }
 
-   }
 
-   if (proxy) {
 
-     // Basic proxy authorization
 
-     if (proxy.auth) {
 
-       // Support proxy auth object form
 
-       if (proxy.auth.username || proxy.auth.password) {
 
-         proxy.auth = (proxy.auth.username || '') + ':' + (proxy.auth.password || '');
 
-       }
 
-       var base64 = Buffer
 
-         .from(proxy.auth, 'utf8')
 
-         .toString('base64');
 
-       options.headers['Proxy-Authorization'] = 'Basic ' + base64;
 
-     }
 
-     options.headers.host = options.hostname + (options.port ? ':' + options.port : '');
 
-     options.hostname = proxy.host;
 
-     options.host = proxy.host;
 
-     options.port = proxy.port;
 
-     options.path = location;
 
-     if (proxy.protocol) {
 
-       options.protocol = proxy.protocol;
 
-     }
 
-   }
 
-   options.beforeRedirects.proxy = function beforeRedirect(redirectOptions) {
 
-     // Configure proxy for redirected request, passing the original config proxy to apply
 
-     // the exact same logic as if the redirected request was performed by axios directly.
 
-     setProxy(redirectOptions, configProxy, redirectOptions.href);
 
-   };
 
- }
 
- /*eslint consistent-return:0*/
 
- module.exports = function httpAdapter(config) {
 
-   return new Promise(function dispatchHttpRequest(resolvePromise, rejectPromise) {
 
-     var onCanceled;
 
-     function done() {
 
-       if (config.cancelToken) {
 
-         config.cancelToken.unsubscribe(onCanceled);
 
-       }
 
-       if (config.signal) {
 
-         config.signal.removeEventListener('abort', onCanceled);
 
-       }
 
-     }
 
-     var resolve = function resolve(value) {
 
-       done();
 
-       resolvePromise(value);
 
-     };
 
-     var rejected = false;
 
-     var reject = function reject(value) {
 
-       done();
 
-       rejected = true;
 
-       rejectPromise(value);
 
-     };
 
-     var data = config.data;
 
-     var responseType = config.responseType;
 
-     var responseEncoding = config.responseEncoding;
 
-     var method = config.method.toUpperCase();
 
-     // Parse url
 
-     var fullPath = buildFullPath(config.baseURL, config.url);
 
-     var parsed = url.parse(fullPath);
 
-     var protocol = parsed.protocol || supportedProtocols[0];
 
-     if (protocol === 'data:') {
 
-       var convertedData;
 
-       if (method !== 'GET') {
 
-         return settle(resolve, reject, {
 
-           status: 405,
 
-           statusText: 'method not allowed',
 
-           headers: {},
 
-           config: config
 
-         });
 
-       }
 
-       try {
 
-         convertedData = fromDataURI(config.url, responseType === 'blob', {
 
-           Blob: config.env && config.env.Blob
 
-         });
 
-       } catch (err) {
 
-         throw AxiosError.from(err, AxiosError.ERR_BAD_REQUEST, config);
 
-       }
 
-       if (responseType === 'text') {
 
-         convertedData = convertedData.toString(responseEncoding);
 
-         if (!responseEncoding || responseEncoding === 'utf8') {
 
-           data = utils.stripBOM(convertedData);
 
-         }
 
-       } else if (responseType === 'stream') {
 
-         convertedData = stream.Readable.from(convertedData);
 
-       }
 
-       return settle(resolve, reject, {
 
-         data: convertedData,
 
-         status: 200,
 
-         statusText: 'OK',
 
-         headers: {},
 
-         config: config
 
-       });
 
-     }
 
-     if (supportedProtocols.indexOf(protocol) === -1) {
 
-       return reject(new AxiosError(
 
-         'Unsupported protocol ' + protocol,
 
-         AxiosError.ERR_BAD_REQUEST,
 
-         config
 
-       ));
 
-     }
 
-     var headers = config.headers;
 
-     var headerNames = {};
 
-     Object.keys(headers).forEach(function storeLowerName(name) {
 
-       headerNames[name.toLowerCase()] = name;
 
-     });
 
-     // Set User-Agent (required by some servers)
 
-     // See https://github.com/axios/axios/issues/69
 
-     if ('user-agent' in headerNames) {
 
-       // User-Agent is specified; handle case where no UA header is desired
 
-       if (!headers[headerNames['user-agent']]) {
 
-         delete headers[headerNames['user-agent']];
 
-       }
 
-       // Otherwise, use specified value
 
-     } else {
 
-       // Only set header if it hasn't been set in config
 
-       headers['User-Agent'] = 'axios/' + VERSION;
 
-     }
 
-     // support for https://www.npmjs.com/package/form-data api
 
-     if (utils.isFormData(data) && utils.isFunction(data.getHeaders)) {
 
-       Object.assign(headers, data.getHeaders());
 
-     } else if (data && !utils.isStream(data)) {
 
-       if (Buffer.isBuffer(data)) {
 
-         // Nothing to do...
 
-       } else if (utils.isArrayBuffer(data)) {
 
-         data = Buffer.from(new Uint8Array(data));
 
-       } else if (utils.isString(data)) {
 
-         data = Buffer.from(data, 'utf-8');
 
-       } else {
 
-         return reject(new AxiosError(
 
-           'Data after transformation must be a string, an ArrayBuffer, a Buffer, or a Stream',
 
-           AxiosError.ERR_BAD_REQUEST,
 
-           config
 
-         ));
 
-       }
 
-       if (config.maxBodyLength > -1 && data.length > config.maxBodyLength) {
 
-         return reject(new AxiosError(
 
-           'Request body larger than maxBodyLength limit',
 
-           AxiosError.ERR_BAD_REQUEST,
 
-           config
 
-         ));
 
-       }
 
-       // Add Content-Length header if data exists
 
-       if (!headerNames['content-length']) {
 
-         headers['Content-Length'] = data.length;
 
-       }
 
-     }
 
-     // HTTP basic authentication
 
-     var auth = undefined;
 
-     if (config.auth) {
 
-       var username = config.auth.username || '';
 
-       var password = config.auth.password || '';
 
-       auth = username + ':' + password;
 
-     }
 
-     if (!auth && parsed.auth) {
 
-       var urlAuth = parsed.auth.split(':');
 
-       var urlUsername = urlAuth[0] || '';
 
-       var urlPassword = urlAuth[1] || '';
 
-       auth = urlUsername + ':' + urlPassword;
 
-     }
 
-     if (auth && headerNames.authorization) {
 
-       delete headers[headerNames.authorization];
 
-     }
 
-     try {
 
-       buildURL(parsed.path, config.params, config.paramsSerializer).replace(/^\?/, '');
 
-     } catch (err) {
 
-       var customErr = new Error(err.message);
 
-       customErr.config = config;
 
-       customErr.url = config.url;
 
-       customErr.exists = true;
 
-       reject(customErr);
 
-     }
 
-     var options = {
 
-       path: buildURL(parsed.path, config.params, config.paramsSerializer).replace(/^\?/, ''),
 
-       method: method,
 
-       headers: headers,
 
-       agents: { http: config.httpAgent, https: config.httpsAgent },
 
-       auth: auth,
 
-       protocol: protocol,
 
-       beforeRedirect: dispatchBeforeRedirect,
 
-       beforeRedirects: {}
 
-     };
 
-     if (config.socketPath) {
 
-       options.socketPath = config.socketPath;
 
-     } else {
 
-       options.hostname = parsed.hostname;
 
-       options.port = parsed.port;
 
-       setProxy(options, config.proxy, protocol + '//' + parsed.hostname + (parsed.port ? ':' + parsed.port : '') + options.path);
 
-     }
 
-     var transport;
 
-     var isHttpsRequest = isHttps.test(options.protocol);
 
-     options.agent = isHttpsRequest ? config.httpsAgent : config.httpAgent;
 
-     if (config.transport) {
 
-       transport = config.transport;
 
-     } else if (config.maxRedirects === 0) {
 
-       transport = isHttpsRequest ? https : http;
 
-     } else {
 
-       if (config.maxRedirects) {
 
-         options.maxRedirects = config.maxRedirects;
 
-       }
 
-       if (config.beforeRedirect) {
 
-         options.beforeRedirects.config = config.beforeRedirect;
 
-       }
 
-       transport = isHttpsRequest ? httpsFollow : httpFollow;
 
-     }
 
-     if (config.maxBodyLength > -1) {
 
-       options.maxBodyLength = config.maxBodyLength;
 
-     } else {
 
-       // follow-redirects does not skip comparison, so it should always succeed for axios -1 unlimited
 
-       options.maxBodyLength = Infinity;
 
-     }
 
-     if (config.insecureHTTPParser) {
 
-       options.insecureHTTPParser = config.insecureHTTPParser;
 
-     }
 
-     // Create the request
 
-     var req = transport.request(options, function handleResponse(res) {
 
-       if (req.aborted) return;
 
-       // uncompress the response body transparently if required
 
-       var responseStream = res;
 
-       // return the last request in case of redirects
 
-       var lastRequest = res.req || req;
 
-       // if decompress disabled we should not decompress
 
-       if (config.decompress !== false) {
 
-         // if no content, but headers still say that it is encoded,
 
-         // remove the header not confuse downstream operations
 
-         if (data && data.length === 0 && res.headers['content-encoding']) {
 
-           delete res.headers['content-encoding'];
 
-         }
 
-         switch (res.headers['content-encoding']) {
 
-         /*eslint default-case:0*/
 
-         case 'gzip':
 
-         case 'compress':
 
-         case 'deflate':
 
-           // add the unzipper to the body stream processing pipeline
 
-           responseStream = responseStream.pipe(zlib.createUnzip());
 
-           // remove the content-encoding in order to not confuse downstream operations
 
-           delete res.headers['content-encoding'];
 
-           break;
 
-         }
 
-       }
 
-       var response = {
 
-         status: res.statusCode,
 
-         statusText: res.statusMessage,
 
-         headers: res.headers,
 
-         config: config,
 
-         request: lastRequest
 
-       };
 
-       if (responseType === 'stream') {
 
-         response.data = responseStream;
 
-         settle(resolve, reject, response);
 
-       } else {
 
-         var responseBuffer = [];
 
-         var totalResponseBytes = 0;
 
-         responseStream.on('data', function handleStreamData(chunk) {
 
-           responseBuffer.push(chunk);
 
-           totalResponseBytes += chunk.length;
 
-           // make sure the content length is not over the maxContentLength if specified
 
-           if (config.maxContentLength > -1 && totalResponseBytes > config.maxContentLength) {
 
-             // stream.destroy() emit aborted event before calling reject() on Node.js v16
 
-             rejected = true;
 
-             responseStream.destroy();
 
-             reject(new AxiosError('maxContentLength size of ' + config.maxContentLength + ' exceeded',
 
-               AxiosError.ERR_BAD_RESPONSE, config, lastRequest));
 
-           }
 
-         });
 
-         responseStream.on('aborted', function handlerStreamAborted() {
 
-           if (rejected) {
 
-             return;
 
-           }
 
-           responseStream.destroy();
 
-           reject(new AxiosError(
 
-             'maxContentLength size of ' + config.maxContentLength + ' exceeded',
 
-             AxiosError.ERR_BAD_RESPONSE,
 
-             config,
 
-             lastRequest
 
-           ));
 
-         });
 
-         responseStream.on('error', function handleStreamError(err) {
 
-           if (req.aborted) return;
 
-           reject(AxiosError.from(err, null, config, lastRequest));
 
-         });
 
-         responseStream.on('end', function handleStreamEnd() {
 
-           try {
 
-             var responseData = responseBuffer.length === 1 ? responseBuffer[0] : Buffer.concat(responseBuffer);
 
-             if (responseType !== 'arraybuffer') {
 
-               responseData = responseData.toString(responseEncoding);
 
-               if (!responseEncoding || responseEncoding === 'utf8') {
 
-                 responseData = utils.stripBOM(responseData);
 
-               }
 
-             }
 
-             response.data = responseData;
 
-           } catch (err) {
 
-             reject(AxiosError.from(err, null, config, response.request, response));
 
-           }
 
-           settle(resolve, reject, response);
 
-         });
 
-       }
 
-     });
 
-     // Handle errors
 
-     req.on('error', function handleRequestError(err) {
 
-       // @todo remove
 
-       // if (req.aborted && err.code !== AxiosError.ERR_FR_TOO_MANY_REDIRECTS) return;
 
-       reject(AxiosError.from(err, null, config, req));
 
-     });
 
-     // set tcp keep alive to prevent drop connection by peer
 
-     req.on('socket', function handleRequestSocket(socket) {
 
-       // default interval of sending ack packet is 1 minute
 
-       socket.setKeepAlive(true, 1000 * 60);
 
-     });
 
-     // Handle request timeout
 
-     if (config.timeout) {
 
-       // This is forcing a int timeout to avoid problems if the `req` interface doesn't handle other types.
 
-       var timeout = parseInt(config.timeout, 10);
 
-       if (isNaN(timeout)) {
 
-         reject(new AxiosError(
 
-           'error trying to parse `config.timeout` to int',
 
-           AxiosError.ERR_BAD_OPTION_VALUE,
 
-           config,
 
-           req
 
-         ));
 
-         return;
 
-       }
 
-       // Sometime, the response will be very slow, and does not respond, the connect event will be block by event loop system.
 
-       // And timer callback will be fired, and abort() will be invoked before connection, then get "socket hang up" and code ECONNRESET.
 
-       // At this time, if we have a large number of request, nodejs will hang up some socket on background. and the number will up and up.
 
-       // And then these socket which be hang up will devouring CPU little by little.
 
-       // ClientRequest.setTimeout will be fired on the specify milliseconds, and can make sure that abort() will be fired after connect.
 
-       req.setTimeout(timeout, function handleRequestTimeout() {
 
-         req.abort();
 
-         var timeoutErrorMessage = config.timeout ? 'timeout of ' + config.timeout + 'ms exceeded' : 'timeout exceeded';
 
-         var transitional = config.transitional || transitionalDefaults;
 
-         if (config.timeoutErrorMessage) {
 
-           timeoutErrorMessage = config.timeoutErrorMessage;
 
-         }
 
-         reject(new AxiosError(
 
-           timeoutErrorMessage,
 
-           transitional.clarifyTimeoutError ? AxiosError.ETIMEDOUT : AxiosError.ECONNABORTED,
 
-           config,
 
-           req
 
-         ));
 
-       });
 
-     }
 
-     if (config.cancelToken || config.signal) {
 
-       // Handle cancellation
 
-       // eslint-disable-next-line func-names
 
-       onCanceled = function(cancel) {
 
-         if (req.aborted) return;
 
-         req.abort();
 
-         reject(!cancel || cancel.type ? new CanceledError(null, config, req) : cancel);
 
-       };
 
-       config.cancelToken && config.cancelToken.subscribe(onCanceled);
 
-       if (config.signal) {
 
-         config.signal.aborted ? onCanceled() : config.signal.addEventListener('abort', onCanceled);
 
-       }
 
-     }
 
-     // Send the request
 
-     if (utils.isStream(data)) {
 
-       data.on('error', function handleStreamError(err) {
 
-         reject(AxiosError.from(err, config, null, req));
 
-       }).pipe(req);
 
-     } else {
 
-       req.end(data);
 
-     }
 
-   });
 
- };
 
 
  |