ya-express-ntlm/dist/esm/src/ntlm-parser/coder/coder.js

ya-express-ntlm

/* eslint-disable no-console */
import * as dotenv from 'dotenv';
import express from 'express';
import * as fs from 'fs';
import * as path from 'path';
import { ntlmParse } from '../index';
import { createMessageType1Buf } from '../../node-ntlm-core/createMessageType1';
import { createMessageType2 } from '../../node-ntlm-core/createMessageType2';
import { createMessageType3, parseType2Message } from '../../node-ntlm-core/createMessageType3';
export const startCoder = () => {
    dotenv.config();
    const host = process.env.DECODER_HOST || 'localhost';
    const port = Number(process.env.DECODER_PORT) || 8081;
    const app = express();
    app.use(express.json());
    app.post('/create', (req, res) => {
        const { domain = '', workstation = '', username = '', password = '' } = req.body;
        const messageType1Buf = createMessageType1Buf({ domain, workstation });
        const messageType1 = `NTLM ${messageType1Buf.toString('base64')}`;
        const messageType2Buf = createMessageType2(messageType1Buf);
        const messageType2 = `NTLM ${messageType2Buf.toString('base64')}`;
        const messageType2BufAnother = parseType2Message(messageType2);
        const messageType3 = createMessageType3(messageType2BufAnother, { domain, workstation, username, password });
        res.setHeader('Content-Type', 'application/json').send(JSON.stringify({ messageType1, messageType2, messageType3 }));
    });
    app.post('/decode', (req, res) => {
        let { message } = req.body;
        message = message.trim().replace(/(?:(?:Authorization|WWW-Authenticate): )?NTLM(?: |$)/, '');
        const parsedData = ntlmParse(message);
        res.setHeader('Content-Type', 'application/json').send(JSON.stringify(parsedData));
    });
    app.get('/', (req, res) => {
        let html = fs.readFileSync(path.join(__dirname, 'coder.html').replace(/[\\/]dist[\\/](?:cjs|esm)/, ''), { encoding: 'utf8' });
        html = html.replace(/{{host}}/g, host).replace(/{{port}}/g, String(port));
        res.setHeader('Content-Type', 'text/html; charset=utf-8').send(html);
    });
    app.all('*', (req, res) => {
        res.status(404).send('404 Not found');
    });
    app.listen(port, () => {
        console.log(`Decoder web server listening on http://localhost:${port}`);
    });
};
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