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Mini Shell
Mini Shell
'use strict';
import utils from './../utils.js';
import settle from './../core/settle.js';
import buildFullPath from '../core/buildFullPath.js';
import buildURL from './../helpers/buildURL.js';
import {getProxyForUrl} from 'proxy-from-env';
import http from 'http';
import https from 'https';
import followRedirects from 'follow-redirects';
import zlib from 'zlib';
import {VERSION} from '../env/data.js';
import transitionalDefaults from '../defaults/transitional.js';
import AxiosError from '../core/AxiosError.js';
import CanceledError from '../cancel/CanceledError.js';
import platform from '../platform/index.js';
import fromDataURI from '../helpers/fromDataURI.js';
import stream from 'stream';
import AxiosHeaders from '../core/AxiosHeaders.js';
import AxiosTransformStream from '../helpers/AxiosTransformStream.js';
import EventEmitter from 'events';
const zlibOptions = {
flush: zlib.constants.Z_SYNC_FLUSH,
finishFlush: zlib.constants.Z_SYNC_FLUSH
}
const isBrotliSupported = utils.isFunction(zlib.createBrotliDecompress);
const {http: httpFollow, https: httpsFollow} = followRedirects;
const isHttps = /https:?/;
const supportedProtocols = platform.protocols.map(protocol => {
return protocol + ':';
});
/**
* If the proxy or config beforeRedirects functions are defined, call them with the options
* object.
*
* @param {Object<string, any>} options - The options object that was passed to the request.
*
* @returns {Object<string, any>}
*/
function dispatchBeforeRedirect(options) {
if (options.beforeRedirects.proxy) {
options.beforeRedirects.proxy(options);
}
if (options.beforeRedirects.config) {
options.beforeRedirects.config(options);
}
}
/**
* If the proxy or config afterRedirects functions are defined, call them with the options
*
* @param {http.ClientRequestArgs} options
* @param {AxiosProxyConfig} configProxy configuration from Axios options object
* @param {string} location
*
* @returns {http.ClientRequestArgs}
*/
function setProxy(options, configProxy, location) {
let proxy = configProxy;
if (!proxy && proxy !== false) {
const proxyUrl = getProxyForUrl(location);
if (proxyUrl) {
proxy = new URL(proxyUrl);
}
}
if (proxy) {
// Basic proxy authorization
if (proxy.username) {
proxy.auth = (proxy.username || '') + ':' + (proxy.password || '');
}
if (proxy.auth) {
// Support proxy auth object form
if (proxy.auth.username || proxy.auth.password) {
proxy.auth = (proxy.auth.username || '') + ':' + (proxy.auth.password || '');
}
const base64 = Buffer
.from(proxy.auth, 'utf8')
.toString('base64');
options.headers['Proxy-Authorization'] = 'Basic ' + base64;
}
options.headers.host = options.hostname + (options.port ? ':' + options.port : '');
const proxyHost = proxy.hostname || proxy.host;
options.hostname = proxyHost;
// Replace 'host' since options is not a URL object
options.host = proxyHost;
options.port = proxy.port;
options.path = location;
if (proxy.protocol) {
options.protocol = proxy.protocol.includes(':') ? proxy.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);
};
}
const isHttpAdapterSupported = typeof process !== 'undefined' && utils.kindOf(process) === 'process';
/*eslint consistent-return:0*/
export default isHttpAdapterSupported && function httpAdapter(config) {
return new Promise(function dispatchHttpRequest(resolvePromise, rejectPromise) {
let data = config.data;
const responseType = config.responseType;
const responseEncoding = config.responseEncoding;
const method = config.method.toUpperCase();
let isFinished;
let isDone;
let rejected = false;
let req;
// temporary internal emitter until the AxiosRequest class will be implemented
const emitter = new EventEmitter();
function onFinished() {
if (isFinished) return;
isFinished = true;
if (config.cancelToken) {
config.cancelToken.unsubscribe(abort);
}
if (config.signal) {
config.signal.removeEventListener('abort', abort);
}
emitter.removeAllListeners();
}
function done(value, isRejected) {
if (isDone) return;
isDone = true;
if (isRejected) {
rejected = true;
onFinished();
}
isRejected ? rejectPromise(value) : resolvePromise(value);
}
const resolve = function resolve(value) {
done(value);
};
const reject = function reject(value) {
done(value, true);
};
function abort(reason) {
emitter.emit('abort', !reason || reason.type ? new CanceledError(null, config, req) : reason);
}
emitter.once('abort', reject);
if (config.cancelToken || config.signal) {
config.cancelToken && config.cancelToken.subscribe(abort);
if (config.signal) {
config.signal.aborted ? abort() : config.signal.addEventListener('abort', abort);
}
}
// Parse url
const fullPath = buildFullPath(config.baseURL, config.url);
const parsed = new URL(fullPath);
const protocol = parsed.protocol || supportedProtocols[0];
if (protocol === 'data:') {
let convertedData;
if (method !== 'GET') {
return settle(resolve, reject, {
status: 405,
statusText: 'method not allowed',
headers: {},
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: new AxiosHeaders(),
config
});
}
if (supportedProtocols.indexOf(protocol) === -1) {
return reject(new AxiosError(
'Unsupported protocol ' + protocol,
AxiosError.ERR_BAD_REQUEST,
config
));
}
const headers = AxiosHeaders.from(config.headers).normalize();
// Set User-Agent (required by some servers)
// See https://github.com/axios/axios/issues/69
// User-Agent is specified; handle case where no UA header is desired
// Only set header if it hasn't been set in config
headers.set('User-Agent', 'axios/' + VERSION, false);
const onDownloadProgress = config.onDownloadProgress;
const onUploadProgress = config.onUploadProgress;
const maxRate = config.maxRate;
let maxUploadRate = undefined;
let maxDownloadRate = undefined;
// support for https://www.npmjs.com/package/form-data api
if (utils.isFormData(data) && utils.isFunction(data.getHeaders)) {
headers.set(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
));
}
// Add Content-Length header if data exists
headers.set('Content-Length', data.length, false);
if (config.maxBodyLength > -1 && data.length > config.maxBodyLength) {
return reject(new AxiosError(
'Request body larger than maxBodyLength limit',
AxiosError.ERR_BAD_REQUEST,
config
));
}
}
const contentLength = utils.toFiniteNumber(headers.getContentLength());
if (utils.isArray(maxRate)) {
maxUploadRate = maxRate[0];
maxDownloadRate = maxRate[1];
} else {
maxUploadRate = maxDownloadRate = maxRate;
}
if (data && (onUploadProgress || maxUploadRate)) {
if (!utils.isStream(data)) {
data = stream.Readable.from(data, {objectMode: false});
}
data = stream.pipeline([data, new AxiosTransformStream({
length: contentLength,
maxRate: utils.toFiniteNumber(maxUploadRate)
})], utils.noop);
onUploadProgress && data.on('progress', progress => {
onUploadProgress(Object.assign(progress, {
upload: true
}));
});
}
// HTTP basic authentication
let auth = undefined;
if (config.auth) {
const username = config.auth.username || '';
const password = config.auth.password || '';
auth = username + ':' + password;
}
if (!auth && parsed.username) {
const urlUsername = parsed.username;
const urlPassword = parsed.password;
auth = urlUsername + ':' + urlPassword;
}
auth && headers.delete('authorization');
let path;
try {
path = buildURL(
parsed.pathname + parsed.search,
config.params,
config.paramsSerializer
).replace(/^\?/, '');
} catch (err) {
const customErr = new Error(err.message);
customErr.config = config;
customErr.url = config.url;
customErr.exists = true;
return reject(customErr);
}
headers.set(
'Accept-Encoding',
'gzip, compress, deflate' + (isBrotliSupported ? ', br' : ''), false
);
const options = {
path,
method: method,
headers: headers.toJSON(),
agents: { http: config.httpAgent, https: config.httpsAgent },
auth,
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);
}
let transport;
const 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
req = transport.request(options, function handleResponse(res) {
if (req.destroyed) return;
const streams = [res];
const responseLength = +res.headers['content-length'];
if (onDownloadProgress) {
const transformStream = new AxiosTransformStream({
length: utils.toFiniteNumber(responseLength),
maxRate: utils.toFiniteNumber(maxDownloadRate)
});
onDownloadProgress && transformStream.on('progress', progress => {
onDownloadProgress(Object.assign(progress, {
download: true
}));
});
streams.push(transformStream);
}
// decompress the response body transparently if required
let responseStream = res;
// return the last request in case of redirects
const lastRequest = res.req || req;
// if decompress disabled we should not decompress
if (config.decompress !== false && res.headers['content-encoding']) {
// if no content, but headers still say that it is encoded,
// remove the header not confuse downstream operations
if (method === 'HEAD' || res.statusCode === 204) {
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
streams.push(zlib.createUnzip(zlibOptions));
// remove the content-encoding in order to not confuse downstream operations
delete res.headers['content-encoding'];
break;
case 'br':
if (isBrotliSupported) {
streams.push(zlib.createBrotliDecompress(zlibOptions));
delete res.headers['content-encoding'];
}
}
}
responseStream = streams.length > 1 ? stream.pipeline(streams, utils.noop) : streams[0];
const offListeners = stream.finished(responseStream, () => {
offListeners();
onFinished();
});
const response = {
status: res.statusCode,
statusText: res.statusMessage,
headers: new AxiosHeaders(res.headers),
config,
request: lastRequest
};
if (responseType === 'stream') {
response.data = responseStream;
settle(resolve, reject, response);
} else {
const responseBuffer = [];
let 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;
}
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;
Zerion Mini Shell 1.0