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105 lines
4.1 KiB
105 lines
4.1 KiB
3 years ago
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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const url_1 = require("url");
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const degenerator_1 = require("degenerator");
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/**
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* Built-in PAC functions.
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*/
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const dateRange_1 = __importDefault(require("./dateRange"));
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const dnsDomainIs_1 = __importDefault(require("./dnsDomainIs"));
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const dnsDomainLevels_1 = __importDefault(require("./dnsDomainLevels"));
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const dnsResolve_1 = __importDefault(require("./dnsResolve"));
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const isInNet_1 = __importDefault(require("./isInNet"));
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const isPlainHostName_1 = __importDefault(require("./isPlainHostName"));
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const isResolvable_1 = __importDefault(require("./isResolvable"));
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const localHostOrDomainIs_1 = __importDefault(require("./localHostOrDomainIs"));
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const myIpAddress_1 = __importDefault(require("./myIpAddress"));
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const shExpMatch_1 = __importDefault(require("./shExpMatch"));
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const timeRange_1 = __importDefault(require("./timeRange"));
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const weekdayRange_1 = __importDefault(require("./weekdayRange"));
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/**
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* Returns an asynchronous `FindProxyForURL()` function
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* from the given JS string (from a PAC file).
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*
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* @param {String} str JS string
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* @param {Object} opts optional "options" object
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* @return {Function} async resolver function
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*/
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function createPacResolver(_str, _opts = {}) {
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const str = Buffer.isBuffer(_str) ? _str.toString('utf8') : _str;
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// The sandbox to use for the `vm` context.
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const sandbox = Object.assign(Object.assign({}, createPacResolver.sandbox), _opts.sandbox);
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const opts = Object.assign(Object.assign({ filename: 'proxy.pac' }, _opts), { sandbox });
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// Construct the array of async function names to add `await` calls to.
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const names = Object.keys(sandbox).filter((k) => isAsyncFunction(sandbox[k]));
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// Compile the JS `FindProxyForURL()` function into an async function.
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const resolver = (0, degenerator_1.compile)(str, 'FindProxyForURL', names, opts);
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function FindProxyForURL(url, _host, _callback) {
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let host = null;
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let callback = null;
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if (typeof _callback === 'function') {
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callback = _callback;
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}
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if (typeof _host === 'string') {
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host = _host;
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}
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else if (typeof _host === 'function') {
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callback = _host;
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}
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if (!host) {
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host = (0, url_1.parse)(url).hostname;
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}
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if (!host) {
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throw new TypeError('Could not determine `host`');
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}
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const promise = resolver(url, host);
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if (typeof callback === 'function') {
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toCallback(promise, callback);
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}
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else {
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return promise;
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}
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}
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Object.defineProperty(FindProxyForURL, 'toString', {
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value: () => resolver.toString(),
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enumerable: false,
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});
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return FindProxyForURL;
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}
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// eslint-disable-next-line @typescript-eslint/no-namespace
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(function (createPacResolver) {
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createPacResolver.sandbox = Object.freeze({
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alert: (message = '') => console.log('%s', message),
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dateRange: dateRange_1.default,
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dnsDomainIs: dnsDomainIs_1.default,
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dnsDomainLevels: dnsDomainLevels_1.default,
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dnsResolve: dnsResolve_1.default,
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isInNet: isInNet_1.default,
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isPlainHostName: isPlainHostName_1.default,
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isResolvable: isResolvable_1.default,
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localHostOrDomainIs: localHostOrDomainIs_1.default,
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myIpAddress: myIpAddress_1.default,
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shExpMatch: shExpMatch_1.default,
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timeRange: timeRange_1.default,
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weekdayRange: weekdayRange_1.default,
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});
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})(createPacResolver || (createPacResolver = {}));
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function toCallback(promise, callback) {
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promise.then((rtn) => callback(null, rtn), callback);
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}
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function isAsyncFunction(v) {
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if (typeof v !== 'function')
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return false;
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// Native `AsyncFunction`
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if (v.constructor.name === 'AsyncFunction')
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return true;
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// TypeScript compiled
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if (String(v).indexOf('__awaiter(') !== -1)
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return true;
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// Legacy behavior - set `async` property on the function
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return Boolean(v.async);
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}
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module.exports = createPacResolver;
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//# sourceMappingURL=index.js.map
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