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update
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tatianamac
275
node_modules/axios/lib/adapters/http.js
generated
vendored
Executable file
275
node_modules/axios/lib/adapters/http.js
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'use strict';
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var utils = require('./../utils');
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var settle = require('./../core/settle');
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var buildURL = require('./../helpers/buildURL');
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var http = require('http');
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var https = require('https');
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var httpFollow = require('follow-redirects').http;
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var httpsFollow = require('follow-redirects').https;
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var url = require('url');
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var zlib = require('zlib');
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var pkg = require('./../../package.json');
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var createError = require('../core/createError');
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var enhanceError = require('../core/enhanceError');
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var isHttps = /https:?/;
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/*eslint consistent-return:0*/
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module.exports = function httpAdapter(config) {
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return new Promise(function dispatchHttpRequest(resolvePromise, rejectPromise) {
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var timer;
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var resolve = function resolve(value) {
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clearTimeout(timer);
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resolvePromise(value);
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};
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var reject = function reject(value) {
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clearTimeout(timer);
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rejectPromise(value);
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};
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var data = config.data;
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var headers = config.headers;
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// Set User-Agent (required by some servers)
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// Only set header if it hasn't been set in config
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// See https://github.com/axios/axios/issues/69
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if (!headers['User-Agent'] && !headers['user-agent']) {
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headers['User-Agent'] = 'axios/' + pkg.version;
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}
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if (data && !utils.isStream(data)) {
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if (Buffer.isBuffer(data)) {
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// Nothing to do...
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} else if (utils.isArrayBuffer(data)) {
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data = Buffer.from(new Uint8Array(data));
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} else if (utils.isString(data)) {
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data = Buffer.from(data, 'utf-8');
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} else {
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return reject(createError(
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'Data after transformation must be a string, an ArrayBuffer, a Buffer, or a Stream',
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config
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));
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}
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// Add Content-Length header if data exists
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headers['Content-Length'] = data.length;
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}
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// HTTP basic authentication
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var auth = undefined;
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if (config.auth) {
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var username = config.auth.username || '';
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var password = config.auth.password || '';
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auth = username + ':' + password;
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}
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// Parse url
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var parsed = url.parse(config.url);
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var protocol = parsed.protocol || 'http:';
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if (!auth && parsed.auth) {
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var urlAuth = parsed.auth.split(':');
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var urlUsername = urlAuth[0] || '';
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var urlPassword = urlAuth[1] || '';
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auth = urlUsername + ':' + urlPassword;
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}
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if (auth) {
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delete headers.Authorization;
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}
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var isHttpsRequest = isHttps.test(protocol);
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var agent = isHttpsRequest ? config.httpsAgent : config.httpAgent;
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var options = {
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path: buildURL(parsed.path, config.params, config.paramsSerializer).replace(/^\?/, ''),
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method: config.method.toUpperCase(),
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headers: headers,
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agent: agent,
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auth: auth
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};
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if (config.socketPath) {
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options.socketPath = config.socketPath;
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} else {
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options.hostname = parsed.hostname;
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options.port = parsed.port;
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}
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var proxy = config.proxy;
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if (!proxy && proxy !== false) {
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var proxyEnv = protocol.slice(0, -1) + '_proxy';
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var proxyUrl = process.env[proxyEnv] || process.env[proxyEnv.toUpperCase()];
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if (proxyUrl) {
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var parsedProxyUrl = url.parse(proxyUrl);
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var noProxyEnv = process.env.no_proxy || process.env.NO_PROXY;
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var shouldProxy = true;
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if (noProxyEnv) {
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var noProxy = noProxyEnv.split(',').map(function trim(s) {
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return s.trim();
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});
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shouldProxy = !noProxy.some(function proxyMatch(proxyElement) {
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if (!proxyElement) {
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return false;
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}
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if (proxyElement === '*') {
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return true;
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}
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if (proxyElement[0] === '.' &&
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parsed.hostname.substr(parsed.hostname.length - proxyElement.length) === proxyElement &&
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proxyElement.match(/\./g).length === parsed.hostname.match(/\./g).length) {
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return true;
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}
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return parsed.hostname === proxyElement;
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});
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}
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if (shouldProxy) {
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proxy = {
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host: parsedProxyUrl.hostname,
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port: parsedProxyUrl.port
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};
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if (parsedProxyUrl.auth) {
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var proxyUrlAuth = parsedProxyUrl.auth.split(':');
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proxy.auth = {
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username: proxyUrlAuth[0],
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password: proxyUrlAuth[1]
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};
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}
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}
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}
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}
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if (proxy) {
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options.hostname = proxy.host;
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options.host = proxy.host;
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options.headers.host = parsed.hostname + (parsed.port ? ':' + parsed.port : '');
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options.port = proxy.port;
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options.path = protocol + '//' + parsed.hostname + (parsed.port ? ':' + parsed.port : '') + options.path;
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// Basic proxy authorization
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if (proxy.auth) {
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var base64 = Buffer.from(proxy.auth.username + ':' + proxy.auth.password, 'utf8').toString('base64');
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options.headers['Proxy-Authorization'] = 'Basic ' + base64;
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}
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}
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var transport;
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var isHttpsProxy = isHttpsRequest && (proxy ? isHttps.test(proxy.protocol) : true);
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if (config.transport) {
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transport = config.transport;
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} else if (config.maxRedirects === 0) {
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transport = isHttpsProxy ? https : http;
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} else {
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if (config.maxRedirects) {
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options.maxRedirects = config.maxRedirects;
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}
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transport = isHttpsProxy ? httpsFollow : httpFollow;
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}
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if (config.maxContentLength && config.maxContentLength > -1) {
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options.maxBodyLength = config.maxContentLength;
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}
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// Create the request
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var req = transport.request(options, function handleResponse(res) {
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if (req.aborted) return;
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// uncompress the response body transparently if required
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var stream = res;
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switch (res.headers['content-encoding']) {
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/*eslint default-case:0*/
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case 'gzip':
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case 'compress':
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case 'deflate':
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// add the unzipper to the body stream processing pipeline
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stream = (res.statusCode === 204) ? stream : stream.pipe(zlib.createUnzip());
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// remove the content-encoding in order to not confuse downstream operations
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delete res.headers['content-encoding'];
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break;
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}
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// return the last request in case of redirects
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var lastRequest = res.req || req;
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var response = {
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status: res.statusCode,
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statusText: res.statusMessage,
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headers: res.headers,
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config: config,
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request: lastRequest
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};
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if (config.responseType === 'stream') {
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response.data = stream;
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settle(resolve, reject, response);
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} else {
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var responseBuffer = [];
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stream.on('data', function handleStreamData(chunk) {
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responseBuffer.push(chunk);
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// make sure the content length is not over the maxContentLength if specified
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if (config.maxContentLength > -1 && Buffer.concat(responseBuffer).length > config.maxContentLength) {
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stream.destroy();
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reject(createError('maxContentLength size of ' + config.maxContentLength + ' exceeded',
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config, null, lastRequest));
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}
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});
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stream.on('error', function handleStreamError(err) {
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if (req.aborted) return;
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reject(enhanceError(err, config, null, lastRequest));
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});
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stream.on('end', function handleStreamEnd() {
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var responseData = Buffer.concat(responseBuffer);
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if (config.responseType !== 'arraybuffer') {
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responseData = responseData.toString(config.responseEncoding);
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}
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response.data = responseData;
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settle(resolve, reject, response);
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});
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}
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});
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// Handle errors
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req.on('error', function handleRequestError(err) {
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if (req.aborted) return;
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reject(enhanceError(err, config, null, req));
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});
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// Handle request timeout
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if (config.timeout) {
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timer = setTimeout(function handleRequestTimeout() {
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req.abort();
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reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED', req));
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}, config.timeout);
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}
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if (config.cancelToken) {
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// Handle cancellation
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config.cancelToken.promise.then(function onCanceled(cancel) {
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if (req.aborted) return;
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req.abort();
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reject(cancel);
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});
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}
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// Send the request
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if (utils.isStream(data)) {
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data.on('error', function handleStreamError(err) {
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reject(enhanceError(err, config, null, req));
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}).pipe(req);
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} else {
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req.end(data);
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}
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});
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};
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