ya-express-ntlm/dist/esm/src/express-ntlm/handle-negotiate.js

ya-express-ntlm

import { blue, reset } from 'af-color';
import { proxyCache } from './proxy/ProxyCache';
import { debugNtlmAuthFlow, hnColor, hvOutColor } from './debug';
import { ntlmParse } from '../ntlm-parser';
import { Larrow } from './lib/constants';
export const handleNegotiate = async (rsn, messageType1) => {
    const { res, options } = rsn;
    try {
        rsn.payload = messageType1;
        const proxyId = options.getProxyId(rsn);
        const messageType2 = await proxyCache.addOrReplace(rsn, proxyId, messageType1);
        const messageType2Parsed = ntlmParse(messageType2, { compact: true });
        options.onMessageType2(rsn, messageType2Parsed, proxyCache, proxyId);
        res.setHeader('WWW-Authenticate', `NTLM ${messageType2}`).status(401).end();
        if (debugNtlmAuthFlow.enabled) {
            debugNtlmAuthFlow(`${Larrow} Return ${blue}401${reset} ${hnColor}WWW-Authenticate${blue}: ${hvOutColor}NTLM ${messageType2}`);
            debugNtlmAuthFlow(`Decoded MessageType2: ${hvOutColor}${JSON.stringify(messageType2Parsed, undefined, 2)}`);
        }
    }
    catch (err) {
        return options.handleHttpError500(res, err);
    }
};
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