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