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javascript
a year ago
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const http = require('http');
const url = require('url');
const ldap = require('ldapjs');
const bodyParser = require('body-parser');
const mysql = require('mysql2');

const server = http.createServer((req, res) => {
	const parsedUrl = url.parse(req.url, true);

	const options = {
		hostname: 'localhost',
		port: 80,
		path: req.url,
		method: req.method,
		headers: req.headers
	};

	const ldapUrl = 'ldap://208.80.162.112:389';
	const bindDn = 'saltov.jorani@aspose.com';
	const bindCredentials = 'pFK1V4$EB8r9';
	const searchBase = 'ou=aspose,dc=aspose,dc=local';

	if (req.method === 'POST' && parsedUrl.pathname === '/session/login') {
		let body = '';

		req.on('data', (chunk) => {
			body += chunk.toString();
		});

		// Get user login from request
		login = ''
		let userExistsAD = false;
		let userExistsDB = false;
		req.on('end', () => {
			const postParams = new URLSearchParams(body);
			login = postParams.get('login');
			console.log(`Login: ${login}`);
		});

		// Create LDAP client
		const ldapClient = ldap.createClient({ url: ldapUrl });

		// Bind to LDAP server
		ldapClient.bind(bindDn, bindCredentials, (bindErr) => {
			if (bindErr) {
				console.error('LDAP bind error:', bindErr);
			}

			// Search for user in LDAP
			const searchOptions = {
				scope: 'sub',
				filter: `(sAMAccountName=${login})`,
				attributes: ['dn', 'sn', 'givenName', 'mail'],
			};
			ldapClient.search(searchBase, searchOptions, (searchErr, searchRes) => {
				if (searchErr) {
					console.error('LDAP search error:', searchErr);
				}
				// Check if user exists
				searchRes.on('searchEntry', (entry) => {
					userExistsAD = true;
					const { dn, lastname, firstname, email } = entry.object;
					console.log(`User ${login} found in AD with DN ${dn}, lastname: ${lastname}, firstname: ${firstname}, email: ${email}`);
				});
				searchRes.on('end', () => {
					ldapClient.unbind();
					if (!userExistsAD) {
						console.log(`${login} does not exist in LDAP`);
					}
				});
			});
		});

		// Check if user exists in Jorani
		const connection = mysql.createConnection({
			host: 'localhost',
			user: 'jorani',
			password: 'jorani',
			database: 'jorani'
		});
		connection.connect((err) => {
			if (err) throw err;
			console.log('Connected to MySQL database');
			connection.query('SELECT COUNT(*) as count FROM users WHERE login = ?', login, (err, results) => {
				if (err) {
					console.error('MySQL query error:', err);
				}

				const count = results[0].count;
				if (count > 0) {
					userExistsDB = true;
					console.log(`User with login ${login} exists in database`);
				}
			});
			
			// Point
			// If user in AD, but not in Jorani, create the user
			if (userExistsAD && !userExistsDB) {
				today = new Date();
				const user = {
					firstname: firstname,
					lastname: lastname,
					login: login,
					email: email,
					password: 'password',
					role: 2,
					manager: -1,
					datehired: today.toISOString().slice(0, 10),
					identifier: '',
					language: 'en-GB',
					timezone: 'Europe/Kyiv'
				};
				const query = 'INSERT INTO users SET ?';
				connection.query(query, user, (err, result) => {
					if (err) {
						console.error('MySQL insert error:', err);
					}
					console.log(`User with login ${login} inserted successfully into database`);
					console.log(result);
				});
			}
			// If user not in AD, but in Jorani, remove the user
			if (!userExistsAD && userExistsDB) {
				connection.query('DELETE FROM users where login = ?', login, (err, result) => {
					if (err) {
						console.error('MySQL delete error:', err);
					}
					console.log(`User with login ${login} removed successfully from database`);
					console.log(result);
				});
			}
		});
	}

	// Forward the response from the destination server to the original requester
	const proxyReq = http.request(options, proxyRes => {
		res.writeHead(proxyRes.statusCode, proxyRes.headers);
		proxyRes.pipe(res, { end: true });
	});

	req.pipe(proxyReq, { end: true });
});

const port = 3000;

server.listen(port, () => {
	console.log(`Server running at http://localhost:${port}/`);
});