280 lines
9.1 KiB
JavaScript
280 lines
9.1 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var utils = require('./../utils');
|
||
|
|
var settle = require('./../core/settle');
|
||
|
|
var buildFullPath = require('../core/buildFullPath');
|
||
|
|
var buildURL = require('./../helpers/buildURL');
|
||
|
|
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 pkg = require('./../../package.json');
|
||
|
|
var createError = require('../core/createError');
|
||
|
|
var enhanceError = require('../core/enhanceError');
|
||
|
|
|
||
|
|
var isHttps = /https:?/;
|
||
|
|
|
||
|
|
/*eslint consistent-return:0*/
|
||
|
|
module.exports = function httpAdapter(config) {
|
||
|
|
return new Promise(function dispatchHttpRequest(resolvePromise, rejectPromise) {
|
||
|
|
var resolve = function resolve(value) {
|
||
|
|
resolvePromise(value);
|
||
|
|
};
|
||
|
|
var reject = function reject(value) {
|
||
|
|
rejectPromise(value);
|
||
|
|
};
|
||
|
|
var data = config.data;
|
||
|
|
var headers = config.headers;
|
||
|
|
|
||
|
|
// Set User-Agent (required by some servers)
|
||
|
|
// Only set header if it hasn't been set in config
|
||
|
|
// See https://github.com/axios/axios/issues/69
|
||
|
|
if (!headers['User-Agent'] && !headers['user-agent']) {
|
||
|
|
headers['User-Agent'] = 'axios/' + pkg.version;
|
||
|
|
}
|
||
|
|
|
||
|
|
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(createError(
|
||
|
|
'Data after transformation must be a string, an ArrayBuffer, a Buffer, or a Stream',
|
||
|
|
config
|
||
|
|
));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add Content-Length header if data exists
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Parse url
|
||
|
|
var fullPath = buildFullPath(config.baseURL, config.url);
|
||
|
|
var parsed = url.parse(fullPath);
|
||
|
|
var protocol = parsed.protocol || 'http:';
|
||
|
|
|
||
|
|
if (!auth && parsed.auth) {
|
||
|
|
var urlAuth = parsed.auth.split(':');
|
||
|
|
var urlUsername = urlAuth[0] || '';
|
||
|
|
var urlPassword = urlAuth[1] || '';
|
||
|
|
auth = urlUsername + ':' + urlPassword;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (auth) {
|
||
|
|
delete headers.Authorization;
|
||
|
|
}
|
||
|
|
|
||
|
|
var isHttpsRequest = isHttps.test(protocol);
|
||
|
|
var agent = isHttpsRequest ? config.httpsAgent : config.httpAgent;
|
||
|
|
|
||
|
|
var options = {
|
||
|
|
path: buildURL(parsed.path, config.params, config.paramsSerializer).replace(/^\?/, ''),
|
||
|
|
method: config.method.toUpperCase(),
|
||
|
|
headers: headers,
|
||
|
|
agent: agent,
|
||
|
|
agents: { http: config.httpAgent, https: config.httpsAgent },
|
||
|
|
auth: auth
|
||
|
|
};
|
||
|
|
|
||
|
|
if (config.socketPath) {
|
||
|
|
options.socketPath = config.socketPath;
|
||
|
|
} else {
|
||
|
|
options.hostname = parsed.hostname;
|
||
|
|
options.port = parsed.port;
|
||
|
|
}
|
||
|
|
|
||
|
|
var proxy = config.proxy;
|
||
|
|
if (!proxy && proxy !== false) {
|
||
|
|
var proxyEnv = protocol.slice(0, -1) + '_proxy';
|
||
|
|
var proxyUrl = process.env[proxyEnv] || process.env[proxyEnv.toUpperCase()];
|
||
|
|
if (proxyUrl) {
|
||
|
|
var parsedProxyUrl = url.parse(proxyUrl);
|
||
|
|
var noProxyEnv = process.env.no_proxy || process.env.NO_PROXY;
|
||
|
|
var shouldProxy = true;
|
||
|
|
|
||
|
|
if (noProxyEnv) {
|
||
|
|
var noProxy = noProxyEnv.split(',').map(function trim(s) {
|
||
|
|
return s.trim();
|
||
|
|
});
|
||
|
|
|
||
|
|
shouldProxy = !noProxy.some(function proxyMatch(proxyElement) {
|
||
|
|
if (!proxyElement) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (proxyElement === '*') {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (proxyElement[0] === '.' &&
|
||
|
|
parsed.hostname.substr(parsed.hostname.length - proxyElement.length) === proxyElement) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return parsed.hostname === proxyElement;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (shouldProxy) {
|
||
|
|
proxy = {
|
||
|
|
host: parsedProxyUrl.hostname,
|
||
|
|
port: parsedProxyUrl.port
|
||
|
|
};
|
||
|
|
|
||
|
|
if (parsedProxyUrl.auth) {
|
||
|
|
var proxyUrlAuth = parsedProxyUrl.auth.split(':');
|
||
|
|
proxy.auth = {
|
||
|
|
username: proxyUrlAuth[0],
|
||
|
|
password: proxyUrlAuth[1]
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (proxy) {
|
||
|
|
options.hostname = proxy.host;
|
||
|
|
options.host = proxy.host;
|
||
|
|
options.headers.host = parsed.hostname + (parsed.port ? ':' + parsed.port : '');
|
||
|
|
options.port = proxy.port;
|
||
|
|
options.path = protocol + '//' + parsed.hostname + (parsed.port ? ':' + parsed.port : '') + options.path;
|
||
|
|
|
||
|
|
// Basic proxy authorization
|
||
|
|
if (proxy.auth) {
|
||
|
|
var base64 = Buffer.from(proxy.auth.username + ':' + proxy.auth.password, 'utf8').toString('base64');
|
||
|
|
options.headers['Proxy-Authorization'] = 'Basic ' + base64;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var transport;
|
||
|
|
var isHttpsProxy = isHttpsRequest && (proxy ? isHttps.test(proxy.protocol) : true);
|
||
|
|
if (config.transport) {
|
||
|
|
transport = config.transport;
|
||
|
|
} else if (config.maxRedirects === 0) {
|
||
|
|
transport = isHttpsProxy ? https : http;
|
||
|
|
} else {
|
||
|
|
if (config.maxRedirects) {
|
||
|
|
options.maxRedirects = config.maxRedirects;
|
||
|
|
}
|
||
|
|
transport = isHttpsProxy ? httpsFollow : httpFollow;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (config.maxContentLength && config.maxContentLength > -1) {
|
||
|
|
options.maxBodyLength = config.maxContentLength;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Create the request
|
||
|
|
var req = transport.request(options, function handleResponse(res) {
|
||
|
|
if (req.aborted) return;
|
||
|
|
|
||
|
|
// uncompress the response body transparently if required
|
||
|
|
var stream = res;
|
||
|
|
switch (res.headers['content-encoding']) {
|
||
|
|
/*eslint default-case:0*/
|
||
|
|
case 'gzip':
|
||
|
|
case 'compress':
|
||
|
|
case 'deflate':
|
||
|
|
// add the unzipper to the body stream processing pipeline
|
||
|
|
stream = (res.statusCode === 204) ? stream : stream.pipe(zlib.createUnzip());
|
||
|
|
|
||
|
|
// remove the content-encoding in order to not confuse downstream operations
|
||
|
|
delete res.headers['content-encoding'];
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// return the last request in case of redirects
|
||
|
|
var lastRequest = res.req || req;
|
||
|
|
|
||
|
|
var response = {
|
||
|
|
status: res.statusCode,
|
||
|
|
statusText: res.statusMessage,
|
||
|
|
headers: res.headers,
|
||
|
|
config: config,
|
||
|
|
request: lastRequest
|
||
|
|
};
|
||
|
|
|
||
|
|
if (config.responseType === 'stream') {
|
||
|
|
response.data = stream;
|
||
|
|
settle(resolve, reject, response);
|
||
|
|
} else {
|
||
|
|
var responseBuffer = [];
|
||
|
|
stream.on('data', function handleStreamData(chunk) {
|
||
|
|
responseBuffer.push(chunk);
|
||
|
|
|
||
|
|
// make sure the content length is not over the maxContentLength if specified
|
||
|
|
if (config.maxContentLength > -1 && Buffer.concat(responseBuffer).length > config.maxContentLength) {
|
||
|
|
stream.destroy();
|
||
|
|
reject(createError('maxContentLength size of ' + config.maxContentLength + ' exceeded',
|
||
|
|
config, null, lastRequest));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
stream.on('error', function handleStreamError(err) {
|
||
|
|
if (req.aborted) return;
|
||
|
|
reject(enhanceError(err, config, null, lastRequest));
|
||
|
|
});
|
||
|
|
|
||
|
|
stream.on('end', function handleStreamEnd() {
|
||
|
|
var responseData = Buffer.concat(responseBuffer);
|
||
|
|
if (config.responseType !== 'arraybuffer') {
|
||
|
|
responseData = responseData.toString(config.responseEncoding);
|
||
|
|
}
|
||
|
|
|
||
|
|
response.data = responseData;
|
||
|
|
settle(resolve, reject, response);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
// Handle errors
|
||
|
|
req.on('error', function handleRequestError(err) {
|
||
|
|
if (req.aborted) return;
|
||
|
|
reject(enhanceError(err, config, null, req));
|
||
|
|
});
|
||
|
|
|
||
|
|
// Handle request timeout
|
||
|
|
if (config.timeout) {
|
||
|
|
// 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 devoring 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(config.timeout, function handleRequestTimeout() {
|
||
|
|
req.abort();
|
||
|
|
reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED', req));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
if (config.cancelToken) {
|
||
|
|
// Handle cancellation
|
||
|
|
config.cancelToken.promise.then(function onCanceled(cancel) {
|
||
|
|
if (req.aborted) return;
|
||
|
|
|
||
|
|
req.abort();
|
||
|
|
reject(cancel);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Send the request
|
||
|
|
if (utils.isStream(data)) {
|
||
|
|
data.on('error', function handleStreamError(err) {
|
||
|
|
reject(enhanceError(err, config, null, req));
|
||
|
|
}).pipe(req);
|
||
|
|
} else {
|
||
|
|
req.end(data);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
};
|