atcheck/lsscanner/new_ubuntu/node_modules/axios/lib/adapters/http.js

276 lines
8.5 KiB
JavaScript
Executable File

'use strict';
var utils = require('./../utils');
var settle = require('./../core/settle');
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 timer;
var resolve = function resolve(value) {
clearTimeout(timer);
resolvePromise(value);
};
var reject = function reject(value) {
clearTimeout(timer);
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 parsed = url.parse(config.url);
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,
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 &&
proxyElement.match(/\./g).length === parsed.hostname.match(/\./g).length) {
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) {
timer = setTimeout(function handleRequestTimeout() {
req.abort();
reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED', req));
}, config.timeout);
}
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);
}
});
};