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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.checkBypass = exports.getProxyUrl = void 0;
function getProxyUrl(reqUrl) {
const usingSsl = reqUrl.protocol === 'https:';
if (checkBypass(reqUrl)) {
return undefined;
}
const proxyVar = (() => {
if (usingSsl) {
return process.env['https_proxy'] || process.env['HTTPS_PROXY'];
}
else {
return process.env['http_proxy'] || process.env['HTTP_PROXY'];
}
})();
if (proxyVar) {
try {
return new URL(proxyVar);
}
catch (_a) {
if (!proxyVar.startsWith('http://') && !proxyVar.startsWith('https://'))
return new URL(`http://${proxyVar}`);
}
}
else {
return undefined;
}
}
exports.getProxyUrl = getProxyUrl;
function checkBypass(reqUrl) {
if (!reqUrl.hostname) {
return false;
}
const reqHost = reqUrl.hostname;
if (isLoopbackAddress(reqHost)) {
return true;
}
const noProxy = process.env['no_proxy'] || process.env['NO_PROXY'] || '';
if (!noProxy) {
return false;
}
// Determine the request port
let reqPort;
if (reqUrl.port) {
reqPort = Number(reqUrl.port);
}
else if (reqUrl.protocol === 'http:') {
reqPort = 80;
}
else if (reqUrl.protocol === 'https:') {
reqPort = 443;
}
// Format the request hostname and hostname with port
const upperReqHosts = [reqUrl.hostname.toUpperCase()];
if (typeof reqPort === 'number') {
upperReqHosts.push(`${upperReqHosts[0]}:${reqPort}`);
}
// Compare request host against noproxy
for (const upperNoProxyItem of noProxy
.split(',')
.map(x => x.trim().toUpperCase())
.filter(x => x)) {
if (upperNoProxyItem === '*' ||
upperReqHosts.some(x => x === upperNoProxyItem ||
x.endsWith(`.${upperNoProxyItem}`) ||
(upperNoProxyItem.startsWith('.') &&
x.endsWith(`${upperNoProxyItem}`)))) {
return true;
}
}
return false;
}
exports.checkBypass = checkBypass;
function isLoopbackAddress(host) {
const hostLower = host.toLowerCase();
return (hostLower === 'localhost' ||
hostLower.startsWith('127.') ||
hostLower.startsWith('[::1]') ||
hostLower.startsWith('[0:0:0:0:0:0:0:1]'));
}
//# sourceMappingURL=proxy.js.map