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BETTERZON-79: Adding API endpoint for logging in (#36)
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@ -26,7 +26,7 @@ usersRouter.post('/register', async (req: Request, res: Response) => {
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const username: string = req.body.username;
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const password: string = req.body.password;
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const email: string = req.body.email;
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const ip: string = req.connection.remoteAddress?? '';
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const ip: string = req.connection.remoteAddress ?? '';
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if (!username || !password || !email) {
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// Missing
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@ -52,3 +52,32 @@ usersRouter.post('/register', async (req: Request, res: Response) => {
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res.status(404).send(e.message);
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}
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});
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// POST users/login
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usersRouter.post('/login', async (req: Request, res: Response) => {
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try {
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const username: string = req.body.username;
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const password: string = req.body.password;
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const ip: string = req.connection.remoteAddress ?? '';
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if (!username || !password) {
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// Missing
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res.status(400).send(JSON.stringify({message: 'Missing parameters'}));
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return;
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}
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// Update the user entry and create a session
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const session: Session = await UserService.login(username, password, ip);
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if(!session.session_id) {
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// Error logging in, probably wrong username / password
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res.status(401).send(JSON.stringify({messages: ["Wrong username and / or password"], codes: [1, 4]}));
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return;
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}
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// Send the session details back to the user
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res.status(201).send(session);
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} catch (e) {
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res.status(404).send(e.message);
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}
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});
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@ -34,7 +34,7 @@ export const createUser = async (username: string, password: string, email: stri
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let conn;
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try {
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// Hash password and generate + hash session key
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const pwHash = bcrypt.hashSync('123', 10);
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const pwHash = bcrypt.hashSync(password, 10);
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const sessionKey = Guid.create().toString();
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const sessionKeyHash = bcrypt.hashSync(sessionKey, 10);
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@ -57,7 +57,74 @@ export const createUser = async (username: string, password: string, email: stri
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const sessionIdRes = await conn.query(sessionQuery, [userId, sessionKeyHash, ip]);
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await conn.commit();
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// Get session id of the created user
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// Get session id of the created session
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let sessionId: number = -1;
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for (const row in sessionIdRes) {
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if (row !== 'meta' && sessionIdRes[row].session_id != null) {
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sessionId = sessionIdRes[row].session_id;
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}
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}
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return {
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session_id: sessionId,
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session_key: sessionKey,
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session_key_hash: '',
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last_IP: ip
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};
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} catch (err) {
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throw err;
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} finally {
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if (conn) {
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conn.end();
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}
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}
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return {} as Session;
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};
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/**
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* Checks if the given credentials are valid and creates a new session if they are.
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* Returns the session information in case of a successful login
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*/
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export const login = async (username: string, password: string, ip: string): Promise<Session> => {
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let conn;
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try {
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// Get saved password hash
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conn = await pool.getConnection();
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const query = "SELECT user_id, bcrypt_password_hash FROM users WHERE username = ?"
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const userRows = await conn.query(query, username);
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let savedHash = '';
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let userId = -1;
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for (const row in userRows) {
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if (row !== 'meta' && userRows[row].user_id != null) {
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savedHash = userRows[row].bcrypt_password_hash;
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userId = userRows[row].user_id;
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}
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}
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// Check for correct password
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if(!bcrypt.compareSync(password, savedHash)) {
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// Wrong password, return invalid
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return {} as Session;
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}
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// Password is valid, continue
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// Generate + hash session key
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const sessionKey = Guid.create().toString();
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const sessionKeyHash = bcrypt.hashSync(sessionKey, 10);
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// Update user entry in SQL
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const userQuery = 'UPDATE users SET last_login_date = NOW()';
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const userIdRes = await conn.query(userQuery);
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await conn.commit();
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// Create session
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const sessionQuery = 'INSERT INTO sessions (user_id, session_key_hash, createdDate, lastLogin, validUntil, validDays, last_IP) VALUES (?,?,NOW(),NOW(),DATE_ADD(NOW(), INTERVAL 30 DAY),30,?) RETURNING session_id';
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const sessionIdRes = await conn.query(sessionQuery, [userId, sessionKeyHash, ip]);
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await conn.commit();
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// Get session id of the created session
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let sessionId: number = -1;
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for (const row in sessionIdRes) {
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if (row !== 'meta' && sessionIdRes[row].session_id != null) {
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@ -89,7 +156,7 @@ export const createUser = async (username: string, password: string, email: stri
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export interface Status {
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hasProblems: boolean;
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messages: string[];
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codes: number[]; // 0 = all good, 1 = wrong username, 2 = wrong email, 3 = server error
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codes: number[]; // 0 = all good, 1 = wrong username, 2 = wrong email, 3 = server error, 4 = wrong password
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}
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/**
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