591 lines
18 KiB
JavaScript
591 lines
18 KiB
JavaScript
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'use strict';
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import utils from './../utils.js';
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import settle from './../core/settle.js';
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import buildFullPath from '../core/buildFullPath.js';
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import buildURL from './../helpers/buildURL.js';
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import {getProxyForUrl} from 'proxy-from-env';
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import http from 'http';
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import https from 'https';
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import followRedirects from 'follow-redirects';
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import zlib from 'zlib';
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import {VERSION} from '../env/data.js';
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import transitionalDefaults from '../defaults/transitional.js';
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import AxiosError from '../core/AxiosError.js';
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import CanceledError from '../cancel/CanceledError.js';
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import platform from '../platform/index.js';
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import fromDataURI from '../helpers/fromDataURI.js';
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import stream from 'stream';
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import AxiosHeaders from '../core/AxiosHeaders.js';
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import AxiosTransformStream from '../helpers/AxiosTransformStream.js';
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import EventEmitter from 'events';
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const isBrotliSupported = utils.isFunction(zlib.createBrotliDecompress);
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const {http: httpFollow, https: httpsFollow} = followRedirects;
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const isHttps = /https:?/;
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const supportedProtocols = platform.protocols.map(protocol => {
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return protocol + ':';
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});
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/**
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* If the proxy or config beforeRedirects functions are defined, call them with the options
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* object.
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*
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* @param {Object<string, any>} options - The options object that was passed to the request.
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*
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* @returns {Object<string, any>}
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*/
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function dispatchBeforeRedirect(options) {
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if (options.beforeRedirects.proxy) {
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options.beforeRedirects.proxy(options);
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}
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if (options.beforeRedirects.config) {
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options.beforeRedirects.config(options);
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}
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}
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/**
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* If the proxy or config afterRedirects functions are defined, call them with the options
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*
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* @param {http.ClientRequestArgs} options
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* @param {AxiosProxyConfig} configProxy configuration from Axios options object
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* @param {string} location
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*
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* @returns {http.ClientRequestArgs}
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*/
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function setProxy(options, configProxy, location) {
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let proxy = configProxy;
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if (!proxy && proxy !== false) {
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const proxyUrl = getProxyForUrl(location);
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if (proxyUrl) {
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proxy = new URL(proxyUrl);
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}
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}
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if (proxy) {
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// Basic proxy authorization
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if (proxy.username) {
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proxy.auth = (proxy.username || '') + ':' + (proxy.password || '');
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}
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if (proxy.auth) {
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// Support proxy auth object form
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if (proxy.auth.username || proxy.auth.password) {
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proxy.auth = (proxy.auth.username || '') + ':' + (proxy.auth.password || '');
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}
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const base64 = Buffer
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.from(proxy.auth, 'utf8')
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.toString('base64');
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options.headers['Proxy-Authorization'] = 'Basic ' + base64;
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}
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options.headers.host = options.hostname + (options.port ? ':' + options.port : '');
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const proxyHost = proxy.hostname || proxy.host;
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options.hostname = proxyHost;
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// Replace 'host' since options is not a URL object
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options.host = proxyHost;
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options.port = proxy.port;
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options.path = location;
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if (proxy.protocol) {
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options.protocol = proxy.protocol.includes(':') ? proxy.protocol : `${proxy.protocol}:`;
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}
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}
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options.beforeRedirects.proxy = function beforeRedirect(redirectOptions) {
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// Configure proxy for redirected request, passing the original config proxy to apply
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// the exact same logic as if the redirected request was performed by axios directly.
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setProxy(redirectOptions, configProxy, redirectOptions.href);
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};
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}
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/*eslint consistent-return:0*/
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export default function httpAdapter(config) {
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return new Promise(function dispatchHttpRequest(resolvePromise, rejectPromise) {
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let data = config.data;
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const responseType = config.responseType;
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const responseEncoding = config.responseEncoding;
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const method = config.method.toUpperCase();
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let isFinished;
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let isDone;
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let rejected = false;
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let req;
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// temporary internal emitter until the AxiosRequest class will be implemented
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const emitter = new EventEmitter();
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function onFinished() {
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if (isFinished) return;
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isFinished = true;
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if (config.cancelToken) {
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config.cancelToken.unsubscribe(abort);
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}
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if (config.signal) {
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config.signal.removeEventListener('abort', abort);
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}
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emitter.removeAllListeners();
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}
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function done(value, isRejected) {
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if (isDone) return;
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isDone = true;
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if (isRejected) {
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rejected = true;
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onFinished();
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}
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isRejected ? rejectPromise(value) : resolvePromise(value);
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}
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const resolve = function resolve(value) {
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done(value);
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};
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const reject = function reject(value) {
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done(value, true);
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};
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function abort(reason) {
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emitter.emit('abort', !reason || reason.type ? new CanceledError(null, config, req) : reason);
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}
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emitter.once('abort', reject);
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if (config.cancelToken || config.signal) {
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config.cancelToken && config.cancelToken.subscribe(abort);
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if (config.signal) {
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config.signal.aborted ? abort() : config.signal.addEventListener('abort', abort);
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}
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}
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// Parse url
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const fullPath = buildFullPath(config.baseURL, config.url);
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const parsed = new URL(fullPath);
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const protocol = parsed.protocol || supportedProtocols[0];
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if (protocol === 'data:') {
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let convertedData;
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if (method !== 'GET') {
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return settle(resolve, reject, {
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status: 405,
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statusText: 'method not allowed',
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headers: {},
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config
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});
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}
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try {
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convertedData = fromDataURI(config.url, responseType === 'blob', {
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Blob: config.env && config.env.Blob
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});
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} catch (err) {
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throw AxiosError.from(err, AxiosError.ERR_BAD_REQUEST, config);
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}
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if (responseType === 'text') {
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convertedData = convertedData.toString(responseEncoding);
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if (!responseEncoding || responseEncoding === 'utf8') {
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data = utils.stripBOM(convertedData);
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}
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} else if (responseType === 'stream') {
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convertedData = stream.Readable.from(convertedData);
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}
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return settle(resolve, reject, {
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data: convertedData,
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status: 200,
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statusText: 'OK',
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headers: {},
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config
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});
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}
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if (supportedProtocols.indexOf(protocol) === -1) {
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return reject(new AxiosError(
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'Unsupported protocol ' + protocol,
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AxiosError.ERR_BAD_REQUEST,
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config
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));
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}
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const headers = AxiosHeaders.from(config.headers).normalize();
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// Set User-Agent (required by some servers)
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// See https://github.com/axios/axios/issues/69
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// User-Agent is specified; handle case where no UA header is desired
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// Only set header if it hasn't been set in config
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headers.set('User-Agent', 'axios/' + VERSION, false);
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const onDownloadProgress = config.onDownloadProgress;
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const onUploadProgress = config.onUploadProgress;
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const maxRate = config.maxRate;
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let maxUploadRate = undefined;
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let maxDownloadRate = undefined;
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// support for https://www.npmjs.com/package/form-data api
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if (utils.isFormData(data) && utils.isFunction(data.getHeaders)) {
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headers.set(data.getHeaders());
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} else 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(new AxiosError(
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'Data after transformation must be a string, an ArrayBuffer, a Buffer, or a Stream',
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AxiosError.ERR_BAD_REQUEST,
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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.set('Content-Length', data.length, false);
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if (config.maxBodyLength > -1 && data.length > config.maxBodyLength) {
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return reject(new AxiosError(
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'Request body larger than maxBodyLength limit',
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AxiosError.ERR_BAD_REQUEST,
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config
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));
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}
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}
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const contentLength = +headers.getContentLength();
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if (utils.isArray(maxRate)) {
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maxUploadRate = maxRate[0];
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maxDownloadRate = maxRate[1];
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} else {
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maxUploadRate = maxDownloadRate = maxRate;
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}
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if (data && (onUploadProgress || maxUploadRate)) {
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if (!utils.isStream(data)) {
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data = stream.Readable.from(data, {objectMode: false});
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}
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data = stream.pipeline([data, new AxiosTransformStream({
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length: utils.toFiniteNumber(contentLength),
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maxRate: utils.toFiniteNumber(maxUploadRate)
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})], utils.noop);
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onUploadProgress && data.on('progress', progress => {
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onUploadProgress(Object.assign(progress, {
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upload: true
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}));
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});
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}
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// HTTP basic authentication
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let auth = undefined;
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if (config.auth) {
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const username = config.auth.username || '';
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const password = config.auth.password || '';
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auth = username + ':' + password;
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}
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if (!auth && parsed.username) {
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const urlUsername = parsed.username;
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const urlPassword = parsed.password;
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auth = urlUsername + ':' + urlPassword;
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}
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auth && headers.delete('authorization');
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let path;
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try {
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path = buildURL(
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parsed.pathname + parsed.search,
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config.params,
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config.paramsSerializer
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).replace(/^\?/, '');
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} catch (err) {
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const customErr = new Error(err.message);
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customErr.config = config;
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customErr.url = config.url;
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customErr.exists = true;
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return reject(customErr);
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}
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headers.set('Accept-Encoding', 'gzip, deflate, br', false);
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const options = {
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path,
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method: method,
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headers: headers.toJSON(),
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agents: { http: config.httpAgent, https: config.httpsAgent },
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auth,
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protocol,
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beforeRedirect: dispatchBeforeRedirect,
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beforeRedirects: {}
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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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setProxy(options, config.proxy, protocol + '//' + parsed.hostname + (parsed.port ? ':' + parsed.port : '') + options.path);
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}
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let transport;
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const isHttpsRequest = isHttps.test(options.protocol);
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options.agent = isHttpsRequest ? config.httpsAgent : config.httpAgent;
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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 = isHttpsRequest ? 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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if (config.beforeRedirect) {
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options.beforeRedirects.config = config.beforeRedirect;
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}
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transport = isHttpsRequest ? httpsFollow : httpFollow;
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}
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if (config.maxBodyLength > -1) {
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options.maxBodyLength = config.maxBodyLength;
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} else {
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// follow-redirects does not skip comparison, so it should always succeed for axios -1 unlimited
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options.maxBodyLength = Infinity;
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}
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if (config.insecureHTTPParser) {
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options.insecureHTTPParser = config.insecureHTTPParser;
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}
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// Create the request
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req = transport.request(options, function handleResponse(res) {
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if (req.destroyed) return;
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const streams = [res];
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// uncompress the response body transparently if required
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let responseStream = res;
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// return the last request in case of redirects
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const lastRequest = res.req || req;
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// if decompress disabled we should not decompress
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if (config.decompress !== false) {
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// if no content, but headers still say that it is encoded,
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// remove the header not confuse downstream operations
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if (data && data.length === 0 && res.headers['content-encoding']) {
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delete res.headers['content-encoding'];
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}
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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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streams.push(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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case 'br':
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if (isBrotliSupported) {
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streams.push(zlib.createBrotliDecompress());
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delete res.headers['content-encoding'];
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}
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}
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}
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if (onDownloadProgress) {
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const responseLength = +res.headers['content-length'];
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const transformStream = new AxiosTransformStream({
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length: utils.toFiniteNumber(responseLength),
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maxRate: utils.toFiniteNumber(maxDownloadRate)
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});
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onDownloadProgress && transformStream.on('progress', progress => {
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onDownloadProgress(Object.assign(progress, {
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download: true
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}));
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});
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streams.push(transformStream);
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}
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responseStream = streams.length > 1 ? stream.pipeline(streams, utils.noop) : streams[0];
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const offListeners = stream.finished(responseStream, () => {
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offListeners();
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onFinished();
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});
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const response = {
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status: res.statusCode,
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statusText: res.statusMessage,
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headers: new AxiosHeaders(res.headers),
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config,
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request: lastRequest
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};
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if (responseType === 'stream') {
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response.data = responseStream;
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settle(resolve, reject, response);
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} else {
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const responseBuffer = [];
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let totalResponseBytes = 0;
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responseStream.on('data', function handleStreamData(chunk) {
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responseBuffer.push(chunk);
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totalResponseBytes += chunk.length;
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// make sure the content length is not over the maxContentLength if specified
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if (config.maxContentLength > -1 && totalResponseBytes > config.maxContentLength) {
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// stream.destroy() emit aborted event before calling reject() on Node.js v16
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rejected = true;
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responseStream.destroy();
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reject(new AxiosError('maxContentLength size of ' + config.maxContentLength + ' exceeded',
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AxiosError.ERR_BAD_RESPONSE, config, lastRequest));
|
||
|
}
|
||
|
});
|
||
|
|
||
|
responseStream.on('aborted', function handlerStreamAborted() {
|
||
|
if (rejected) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
const err = new AxiosError(
|
||
|
'maxContentLength size of ' + config.maxContentLength + ' exceeded',
|
||
|
AxiosError.ERR_BAD_RESPONSE,
|
||
|
config,
|
||
|
lastRequest
|
||
|
);
|
||
|
responseStream.destroy(err);
|
||
|
reject(err);
|
||
|
});
|
||
|
|
||
|
responseStream.on('error', function handleStreamError(err) {
|
||
|
if (req.destroyed) return;
|
||
|
reject(AxiosError.from(err, null, config, lastRequest));
|
||
|
});
|
||
|
|
||
|
responseStream.on('end', function handleStreamEnd() {
|
||
|
try {
|
||
|
let 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);
|
||
|
});
|
||
|
}
|
||
|
|
||
|
emitter.once('abort', err => {
|
||
|
if (!responseStream.destroyed) {
|
||
|
responseStream.emit('error', err);
|
||
|
responseStream.destroy();
|
||
|
}
|
||
|
});
|
||
|
});
|
||
|
|
||
|
emitter.once('abort', err => {
|
||
|
reject(err);
|
||
|
req.destroy(err);
|
||
|
});
|
||
|
|
||
|
// 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.
|
||
|
const 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() {
|
||
|
if (isDone) return;
|
||
|
let timeoutErrorMessage = config.timeout ? 'timeout of ' + config.timeout + 'ms exceeded' : 'timeout exceeded';
|
||
|
const transitional = config.transitional || transitionalDefaults;
|
||
|
if (config.timeoutErrorMessage) {
|
||
|
timeoutErrorMessage = config.timeoutErrorMessage;
|
||
|
}
|
||
|
reject(new AxiosError(
|
||
|
timeoutErrorMessage,
|
||
|
transitional.clarifyTimeoutError ? AxiosError.ETIMEDOUT : AxiosError.ECONNABORTED,
|
||
|
config,
|
||
|
req
|
||
|
));
|
||
|
abort();
|
||
|
});
|
||
|
}
|
||
|
|
||
|
|
||
|
// Send the request
|
||
|
if (utils.isStream(data)) {
|
||
|
let ended = false;
|
||
|
let errored = false;
|
||
|
|
||
|
data.on('end', () => {
|
||
|
ended = true;
|
||
|
});
|
||
|
|
||
|
data.once('error', err => {
|
||
|
errored = true;
|
||
|
req.destroy(err);
|
||
|
});
|
||
|
|
||
|
data.on('close', () => {
|
||
|
if (!ended && !errored) {
|
||
|
abort(new CanceledError('Request stream has been aborted', config, req));
|
||
|
}
|
||
|
});
|
||
|
|
||
|
data.pipe(req);
|
||
|
} else {
|
||
|
req.end(data);
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
|
||
|
export const __setProxy = setProxy;
|