File size: 2,743 Bytes
bf48b89 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | import type { Config } from '@/config';
import logger from '@/utils/logger';
const possibleProtocol = ['http', 'https', 'ftp', 'file', 'data'];
const pacProxy = (pacUri: Config['pacUri'], pacScript: Config['pacScript'], proxyObj: Config['proxy']) => {
let pacUrlHandler: URL | null = null;
// Validate PAC_URI / PAC_SCRIPT
if (pacScript) {
if (typeof pacScript === 'string') {
pacUri = 'data:text/javascript;charset=utf-8,' + encodeURIComponent(pacScript);
} else {
logger.error('Invalid PAC_SCRIPT, use PAC_URI instead');
}
}
if (pacUri && typeof pacUri === 'string') {
try {
pacUrlHandler = new URL(pacUri);
} catch (error: any) {
pacUri = undefined;
pacUrlHandler = null;
logger.error(`Parse PAC_URI error: ${error.stack}`);
}
} else {
pacUri = undefined;
}
// Check if PAC_URI has the right protocol
if (pacUri && (!pacUrlHandler?.protocol || !possibleProtocol.includes(pacUrlHandler.protocol.replace(':', '')))) {
logger.error(`Unsupported PAC protocol: ${pacUrlHandler?.protocol?.replace(':', '')}, expect one of ${possibleProtocol.join(', ')}`);
pacUri = undefined;
pacUrlHandler = null;
}
// Validate proxyObj
if (pacUrlHandler) {
proxyObj.host = pacUrlHandler.hostname;
proxyObj.port = pacUrlHandler.port;
proxyObj.protocol = pacUrlHandler.protocol.replace(':', '');
} else {
proxyObj.protocol = proxyObj.host = proxyObj.port = proxyObj.auth = undefined;
}
// Validate PROXY_AUTH
if (proxyObj.auth && pacUrlHandler) {
let promptProxyUri = false;
if (pacUrlHandler.username || pacUrlHandler.password) {
logger.warn('PAC_URI contains username and/or password, ignoring PROXY_AUTH');
proxyObj.auth = undefined;
} else if (['http:', 'https:'].includes(pacUrlHandler.protocol)) {
logger.info('PROXY_AUTH is set and will be used for requests from Node.js. However, requests from puppeteer will not use it');
promptProxyUri = true;
} else {
logger.warn(`PROXY_AUTH is only supported by HTTP(S) proxies, but got ${pacUrlHandler.protocol}, ignoring`);
proxyObj.auth = undefined;
promptProxyUri = true;
}
if (promptProxyUri) {
logger.info('To get rid of this, set PAC_URI like protocol://username:password@host:port and clear PROXY_{AUTH,PROTOCOL,HOST,PORT}');
}
}
// Compatible with unify-proxy
return {
proxyUri: pacUri,
proxyObj,
proxyUrlHandler: pacUrlHandler,
};
};
export default pacProxy;
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