Redis and session timeout added
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82
backend/utils/redis.js
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82
backend/utils/redis.js
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import dotenv from 'dotenv';
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import { createClient } from 'redis';
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import User from '../models/community/user.js';
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dotenv.config();
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const EXPIRATION_TIME = 30 * 60 * 1000;
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const redisClient = createClient({
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url: `redis://${process.env.REDIS_HOST}:${process.env.REDIS_PORT}`,
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password: process.env.REDIS_PASSWORD,
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legacyMode: true,
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});
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redisClient.connect().catch(console.error);
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const setUserSession = async (userId, sessionData) => {
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try {
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await redisClient.hSet(`user:${userId}`, sessionData);
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} catch (error) {
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console.error('Fehler beim Setzen der Benutzersitzung:', error);
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}
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};
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const deleteUserSession = async (userId) => {
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try {
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await redisClient.del(`user:${userId}`);
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} catch (error) {
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console.error('Fehler beim Löschen der Benutzersitzung:', error);
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}
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};
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const getUserSession = async (userId) => {
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try {
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return await redisClient.hGetAll(`user:${userId}`);
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} catch (error) {
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console.error('Fehler beim Abrufen der Benutzersitzung:', error);
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return null;
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}
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};
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const updateUserTimestamp = async (hashedId) => {
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try {
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const userKey = `user:${hashedId}`;
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const userExists = await redisClient.exists(userKey);
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if (userExists) {
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await redisClient.hSet(userKey, 'timestamp', Date.now());
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console.log(`Zeitstempel für Benutzer ${hashedId} aktualisiert.`);
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} else {
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console.warn(`Benutzer mit der hashedId ${hashedId} wurde nicht gefunden.`);
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}
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} catch (error) {
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console.error('Fehler beim Aktualisieren des Zeitstempels:', error);
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}
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};
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const cleanupExpiredSessions = async () => {
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try {
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const keys = await redisClient.keys('user:*');
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const now = Date.now();
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for (const key of keys) {
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const session = await redisClient.hGetAll(key);
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if (session.timestamp && now - parseInt(session.timestamp) > EXPIRATION_TIME) {
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const userId = key.split(':')[1];
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await redisClient.del(key);
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await User.update({ authCode: '' }, { where: { hashedId: userId } });
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console.log(`Abgelaufene Sitzung für Benutzer ${userId} gelöscht.`);
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}
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}
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} catch (error) {
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console.error('Fehler beim Bereinigen abgelaufener Sitzungen:', error);
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}
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};
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export {
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setUserSession,
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deleteUserSession,
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getUserSession,
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updateUserTimestamp,
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cleanupExpiredSessions,
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redisClient
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};
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