Files
cnpmjs.org/common/urllib.js
killa 2245dc2967 feat: impl accelerate request (#1637)
* feat: impl accelerate request
2021-05-06 15:00:04 +08:00

85 lines
2.0 KiB
JavaScript

'use strict';
var urlparse = require('url').parse;
var urllib = require('urllib');
var HttpAgent = require('agentkeepalive');
var HttpsAgent = require('agentkeepalive').HttpsAgent;
var config = require('../config');
var url = require('url');
var URL = require('url').URL;
var httpAgent;
var httpsAgent;
if (config.httpProxy) {
var tunnel = require('tunnel-agent');
var urlinfo = urlparse(config.httpProxy);
if (urlinfo.protocol === 'http:') {
httpAgent = tunnel.httpOverHttp({
proxy: {
host: urlinfo.hostname,
port: urlinfo.port
}
});
httpsAgent = tunnel.httpsOverHttp({
proxy: {
host: urlinfo.hostname,
port: urlinfo.port
}
});
} else if (urlinfo.protocol === 'https:') {
httpAgent = tunnel.httpOverHttps({
proxy: {
host: urlinfo.hostname,
port: urlinfo.port
}
});
httpsAgent = tunnel.httpsOverHttps({
proxy: {
host: urlinfo.hostname,
port: urlinfo.port
}
});
} else {
throw new TypeError('httpProxy format error: ' + config.httpProxy);
}
} else {
httpAgent = new HttpAgent({
timeout: 0,
keepAliveTimeout: 15000
});
httpsAgent = new HttpsAgent({
timeout: 0,
keepAliveTimeout: 15000
});
}
var client = urllib.create({
agent: httpAgent,
httpsAgent: httpsAgent
});
var request = urllib.HttpClient.prototype.request;
function getAccelerateUrl(url) {
const urlObj = typeof url === 'string' ? new URL(url) : url;
const newHost = config.accelerateHostMap && config.accelerateHostMap[urlObj.host];
if (newHost) {
urlObj.host = newHost;
}
return urlObj.toString();
}
client.request = function (requestUrl, options) {
const accelerateUrl = getAccelerateUrl(requestUrl);
options = Object.assign({}, options, {
formatRedirectUrl: function (from, to) {
return getAccelerateUrl(url.resolve(from, to));
}
});
return Reflect.apply(request, client, [ accelerateUrl, options ]);
};
module.exports = client;
module.exports.USER_AGENT = urllib.USER_AGENT;