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const path = require('path'); const fs = require('fs'); const { logger } = require('../../config/logger'); const WhatsAppConnectionModel = require('../../models/WhatsAppConnection'); class WhatsAppConnection { constructor(io, stateManager, qrHandler, options = {}) { this.io = io; this.stateManager = stateManager; this.qrHandler = qrHandler; // Store connections per tenant this.tenantConnections = new Map(); this.tenantStores = new Map(); this.tenantStates = new Map(); this.lastResyncAt = new Map(); this.storeIntervals = new Map(); this.tenantChatStore = new Map(); this.chatStoreIntervals = new Map(); this.maxReconnectAttempts = options.maxReconnectAttempts || 10; this.initializeDebounceMs = 500; // Reduced to 500ms for faster QR generation // Baileys modules (loaded dynamically) this.makeWASocket = null; this.DisconnectReason = null; this.useMultiFileAuthState = null; this.downloadMediaMessage = null; this.fetchLatestBaileysVersion = null; this.makeCacheableSignalKeyStore = null; this.makeInMemoryStore = null; this.baileysLoaded = false; } /** * Load Baileys module dynamically */ async loadBaileys() { if (this.baileysLoaded) return; try { const baileys = await import('@whiskeysockets/baileys'); this.makeWASocket = baileys.makeWASocket || baileys.default?.makeWASocket; this.DisconnectReason = baileys.DisconnectReason || baileys.default?.DisconnectReason; this.useMultiFileAuthState = baileys.useMultiFileAuthState || baileys.default?.useMultiFileAuthState; this.downloadMediaMessage = baileys.downloadMediaMessage || baileys.default?.downloadMediaMessage; this.fetchLatestBaileysVersion = baileys.fetchLatestBaileysVersion || baileys.default?.fetchLatestBaileysVersion; this.makeCacheableSignalKeyStore = baileys.makeCacheableSignalKeyStore || baileys.default?.makeCacheableSignalKeyStore; this.makeInMemoryStore = baileys.makeInMemoryStore || baileys.default?.makeInMemoryStore; this.baileysLoaded = true; logger.info('Baileys module loaded successfully'); } catch (error) { logger.error('Error loading Baileys module', { error: error.message }); throw error; } } /** * Initialize WhatsApp connection for tenant * @param {number} tenantId - Tenant ID * @param {Object} eventHandlers - Event handlers */ async initialize(tenantId, eventHandlers = {}) { try { // Validate tenantId (allow 0 for superadmin) if (tenantId === undefined || tenantId === null) { throw new Error('tenantId is required for initialization'); } logger.info('Initialize called for tenant', { tenantId, hasEventHandlers: Object.keys(eventHandlers).length > 0 }); // Check if already initializing const state = this.getTenantState(tenantId); if (state.isInitializing) { logger.warn('Initialization already in progress for tenant', { tenantId }); return; } if (state.isConnected) { logger.warn('Tenant already connected', { tenantId }); return; } // Debounce check const now = Date.now(); if (now - state.lastInitializeTime < this.initializeDebounceMs) { logger.warn('Initialize called too soon for tenant', { tenantId, timeSinceLastCall: now - state.lastInitializeTime }); return; } state.isInitializing = true; state.lastInitializeTime = now; state.eventHandlers = eventHandlers; const startTime = Date.now(); logger.info('🚀 Initializing WhatsApp for tenant', { tenantId }); // Load Baileys const baileysStart = Date.now(); await this.loadBaileys(); logger.info(`⚡ Baileys loaded in ${Date.now() - baileysStart}ms`, { tenantId }); // Update connection status const statusStart = Date.now(); await WhatsAppConnectionModel.updateStatus(tenantId, 'connecting'); logger.info(`⚡ Status updated in ${Date.now() - statusStart}ms`, { tenantId }); // Ensure tenant session directory exists const dirStart = Date.now(); this.stateManager.ensureTenantSessionDirectory(tenantId); logger.info(`⚡ Directory created in ${Date.now() - dirStart}ms`, { tenantId }); // Check for saved session const hasSession = this.stateManager.hasSession(tenantId); logger.info(hasSession ? '📁 Saved session found' : '🆕 No saved session, will generate QR', { tenantId }); // Get tenant session path const sessionPath = this.stateManager.getTenantSessionPath(tenantId); // Load authentication state const authStart = Date.now(); const { state: authState, saveCreds } = await this.useMultiFileAuthState(sessionPath); logger.info(`⚡ Auth state loaded in ${Date.now() - authStart}ms`, { tenantId }); // Close previous socket if exists const existingSock = this.tenantConnections.get(tenantId); if (existingSock) { try { existingSock.ev.removeAllListeners(); existingSock.end(); } catch (err) { logger.warn('Error closing previous socket for tenant', { tenantId, error: err.message }); } } if (this.tenantStores.has(tenantId)) { this.tenantStores.delete(tenantId); } if (this.tenantChatStore.has(tenantId)) { this.tenantChatStore.delete(tenantId); } if (this.chatStoreIntervals.has(tenantId)) { clearInterval(this.chatStoreIntervals.get(tenantId)); this.chatStoreIntervals.delete(tenantId); } if (this.storeIntervals.has(tenantId)) { clearInterval(this.storeIntervals.get(tenantId)); this.storeIntervals.delete(tenantId); } if (this.tenantChatStore.has(tenantId)) { this.tenantChatStore.delete(tenantId); } if (this.chatStoreIntervals.has(tenantId)) { clearInterval(this.chatStoreIntervals.get(tenantId)); this.chatStoreIntervals.delete(tenantId); } // Create WhatsApp socket for tenant with SIMPLE settings (like 2.0) const sock = this.makeWASocket({ auth: authState, printQRInTerminal: false, logger: pino({ level: 'silent' }), browser: ['Chrome', 'Windows', '120.0.0'], markOnlineOnConnect: false, connectTimeoutMs: 60000, defaultQueryTimeoutMs: 60000, keepAliveIntervalMs: 25000, getMessage: async (_key) => ({ conversation: "" }), syncFullHistory: true, shouldSyncHistoryMessage: () => true }); if (this.makeInMemoryStore) { const store = this.makeInMemoryStore({ logger: pino({ level: 'silent' }) }); const storePath = path.join(sessionPath, 'baileys_store.json'); if (fs.existsSync(storePath)) { store.readFromFile(storePath); } store.bind(sock.ev); this.tenantStores.set(tenantId, store); const intervalId = setInterval(() => { store.writeToFile(storePath); }, 10000); this.storeIntervals.set(tenantId, intervalId); } const chatStore = this.getChatStore(tenantId); const chatStorePath = path.join(sessionPath, 'chat_store.json'); if (fs.existsSync(chatStorePath)) { try { const raw = fs.readFileSync(chatStorePath, 'utf-8'); const storedChats = JSON.parse(raw || '[]'); if (Array.isArray(storedChats)) { storedChats.forEach((chat) => { const chatId = chat?.id?.id || chat?.id || chat?.jid || chat?.remoteJid || chat?.key?.remoteJid || ''; if (chatId) { chatStore.set(String(chatId), chat); } }); } } catch (error) { logger.warn('Failed to read chat store file', { tenantId, error: error.message }); } } if (!this.chatStoreIntervals.has(tenantId)) { const intervalId = setInterval(() => { try { const chatsArray = Array.from(chatStore.values()); fs.writeFileSync(chatStorePath, JSON.stringify(chatsArray)); } catch (error) { logger.warn('Failed to write chat store file', { tenantId, error: error.message }); } }, 10000); this.chatStoreIntervals.set(tenantId, intervalId); } // Store connection this.tenantConnections.set(tenantId, sock); // Setup event handlers const handlersStart = Date.now(); this.setupEventHandlers(tenantId, sock, eventHandlers); sock.ev.on('creds.update', saveCreds); logger.info(`⚡ Event handlers setup in ${Date.now() - handlersStart}ms`, { tenantId }); logger.info(`✅ WhatsApp socket created for tenant in ${Date.now() - startTime}ms total`, { tenantId }); } catch (error) { logger.error('Error initializing WhatsApp for tenant', { tenantId, error: error.message, stack: error.stack }); // Only try to update status if we have a valid tenantId if (tenantId) { try { await WhatsAppConnectionModel.updateStatus(tenantId, 'failed', { error_message: error.message }); } catch (updateError) { logger.error('Error updating connection status after failure', { tenantId, error: updateError.message }); } } const state = this.getTenantState(tenantId); state.isInitializing = false; throw error; } } /** * Fetch Baileys version - NOT USED when auth is passed directly * Baileys 6.7.x doesn't need version parameter */ async fetchBaileysVersion() { // Version not needed in Baileys 6.7.x when using auth directly return undefined; } /** * Setup event handlers for tenant connection - ENHANCED ROBUST VERSION * @param {number} tenantId - Tenant ID * @param {Object} sock - WhatsApp socket * @param {Object} handlers - Event handlers */ setupEventHandlers(tenantId, sock, handlers) { if (!sock) return; // ENHANCED: Add connection stability monitoring let connectionHealthCheck = null; let lastHeartbeat = Date.now(); // Start health monitoring connectionHealthCheck = setInterval(() => { const now = Date.now(); const timeSinceLastHeartbeat = now - lastHeartbeat; // If no activity for 5 minutes, consider connection stale if (timeSinceLastHeartbeat > 300000) { logger.warn('Connection appears stale, triggering reconnect', { tenantId, timeSinceLastHeartbeat }); clearInterval(connectionHealthCheck); this.reconnect(tenantId); } }, 60000); // Check every minute // Connection updates with enhanced error handling sock.ev.on('connection.update', async (update) => { try { lastHeartbeat = Date.now(); // Update heartbeat await this.handleConnectionUpdate(tenantId, update); } catch (error) { logger.error('Error in enhanced connection handler for tenant', { tenantId, error: error.message, stack: error.stack }); // If critical error, attempt recovery if (error.message.includes('ECONNRESET') || error.message.includes('ETIMEDOUT') || error.message.includes('socket hang up')) { logger.info('Network error detected, scheduling reconnect', { tenantId }); setTimeout(() => this.reconnect(tenantId), 5000); } } }); // Enhanced message handling with rate limiting and validation if (handlers.onMessage) { let messageCount = 0; let lastMessageTime = Date.now(); sock.ev.on('messages.upsert', async (m) => { try { lastHeartbeat = Date.now(); // Update heartbeat // SECURITY: Rate limiting to prevent spam/abuse const now = Date.now(); if (now - lastMessageTime < 1000) { // Max 1 message per second messageCount++; if (messageCount > 10) { // Max 10 messages in burst logger.warn('Message rate limit exceeded for tenant', { tenantId, messageCount }); return; } } else { messageCount = 0; lastMessageTime = now; } // VALIDATION: Ensure message structure is valid if (!m || !m.messages || !Array.isArray(m.messages)) { logger.warn('Invalid message structure received', { tenantId }); return; } // SECURITY: Filter out potentially malicious messages const validMessages = m.messages.filter(msg => { if (!msg || !msg.key) return false; // Block messages from suspicious sources const fromMe = msg.key.fromMe; const remoteJid = msg.key.remoteJid; if (!fromMe && remoteJid) { // Basic validation of phone number format const phoneRegex = /^\d{10,20}@(s\.whatsapp\.net|lid)$/; const groupRegex = /^\d+@g\.us$/; if (!phoneRegex.test(remoteJid) && !groupRegex.test(remoteJid)) { logger.warn('Suspicious message source blocked', { tenantId, remoteJid }); return false; } } return true; }); if (validMessages.length > 0) { logger.info('Enhanced message received for tenant', { tenantId, type: m.type, messageCount: validMessages.length, originalCount: m.messages.length }); await handlers.onMessage({ ...m, messages: validMessages }); } } catch (error) { logger.error('Error processing enhanced message for tenant', { tenantId, error: error.message, stack: error.stack }); } }); } // Enhanced history sync with better error handling sock.ev.on('messaging-history.set', (history) => { try { lastHeartbeat = Date.now(); // Update heartbeat const chatStore = this.getChatStore(tenantId); const chats = history?.chats || []; // VALIDATION: Ensure chats are valid before storing let validChats = 0; chats.forEach((chat) => { if (!chat) return; const chatId = chat?.id?.id || chat?.id || chat?.jid || chat?.remoteJid || chat?.key?.remoteJid || ''; if (chatId && typeof chatId === 'string' && chatId.length > 0) { // SECURITY: Validate chat ID format const phoneRegex = /^\d{10,20}@(s\.whatsapp\.net|lid)$/; const groupRegex = /^\d+@g\.us$/; if (phoneRegex.test(chatId) || groupRegex.test(chatId)) { chatStore.set(String(chatId), chat); validChats++; } else { logger.warn('Invalid chat ID format blocked', { tenantId, chatId }); } } }); logger.info('Enhanced history sync received', { tenantId, totalChats: chats.length, validChats, messagesCount: history?.messages?.length || 0, isLatest: history?.isLatest }); } catch (error) { logger.error('Error processing enhanced history sync', { tenantId, error: error.message }); } }); // Enhanced chat upserts with validation sock.ev.on('chats.upsert', (chats) => { try { lastHeartbeat = Date.now(); // Update heartbeat const chatStore = this.getChatStore(tenantId); const list = Array.isArray(chats) ? chats : []; let validChats = 0; list.forEach((chat) => { if (!chat) return; const chatId = chat?.id?.id || chat?.id || chat?.jid || chat?.remoteJid || chat?.key?.remoteJid || ''; if (chatId && typeof chatId === 'string') { // SECURITY: Validate chat ID format const phoneRegex = /^\d{10,15}@s\.whatsapp\.net$/; const groupRegex = /^\d+@g\.us$/; if (phoneRegex.test(chatId) || groupRegex.test(chatId)) { chatStore.set(String(chatId), chat); validChats++; } } }); if (validChats > 0) { logger.info('Enhanced chats upserted', { tenantId, totalChats: list.length, validChats }); } } catch (error) { logger.error('Error processing enhanced chats upsert', { tenantId, error: error.message }); } }); // Enhanced connection close handling sock.ev.on('connection.close', (reason) => { logger.warn('Enhanced connection closed for tenant', { tenantId, reason }); // Clear health check if (connectionHealthCheck) { clearInterval(connectionHealthCheck); connectionHealthCheck = null; } // Update tenant state const state = this.getTenantState(tenantId); state.isConnected = false; state.lastDisconnectTime = Date.now(); state.lastDisconnectReason = reason; }); // Enhanced WebSocket error handling with security measures if (sock.ws) { sock.ws.on('error', (error) => { // SECURITY: Log potential attack attempts if (error && error.message) { const suspiciousPatterns = [ 'ECONNREFUSED', 'ENOTFOUND', 'certificate', 'SSL', 'TLS' ]; const isSuspicious = suspiciousPatterns.some(pattern => error.message.toLowerCase().includes(pattern.toLowerCase()) ); if (isSuspicious) { logger.warn('Potentially suspicious WebSocket error detected', { tenantId, error: error.message, code: error.code, timestamp: new Date().toISOString() }); } } // Handle timeout errors gracefully if (error && (error.message === 'Timed Out' || error.code === 'ETIMEDOUT')) { logger.warn('WebSocket timeout for tenant (will retry)', { tenantId, error: error.message }); // Schedule reconnect for timeout errors setTimeout(() => { if (!this.isConnected(tenantId)) { this.reconnect(tenantId); } }, 10000); return; } logger.error('Enhanced WebSocket error for tenant', { tenantId, error: error.message, code: error.code, stack: error.stack }); }); sock.ws.on('close', (code, reason) => { logger.warn('Enhanced WebSocket closed for tenant', { tenantId, code, reason: reason?.toString(), timestamp: new Date().toISOString() }); // Clear health check if (connectionHealthCheck) { clearInterval(connectionHealthCheck); connectionHealthCheck = null; } // SECURITY: Log abnormal close codes if (code && (code < 1000 || code > 1015)) { logger.warn('Abnormal WebSocket close code detected', { tenantId, code, reason: reason?.toString() }); } }); // SECURITY: Monitor for potential attacks sock.ws.on('unexpected-response', (request, response) => { logger.warn('Unexpected WebSocket response detected', { tenantId, statusCode: response.statusCode, statusMessage: response.statusMessage }); }); } // Store health check reference for cleanup const state = this.getTenantState(tenantId); state.healthCheck = connectionHealthCheck; } /** * Handle connection updates for tenant * @param {number} tenantId - Tenant ID * @param {Object} update - Connection update */ async handleConnectionUpdate(tenantId, update) { const { connection, lastDisconnect, qr, isNewLogin } = update; logger.info('📡 Connection update received', { tenantId, connection, hasQR: !!qr, hasDisconnect: !!lastDisconnect, isNewLogin }); // Handle QR code if (qr) { logger.info('🔲 QR code generated for tenant', { tenantId, qrLength: qr.length }); await this.qrHandler.generateQR(tenantId, qr); await WhatsAppConnectionModel.update(tenantId, { qr_code: qr }); } // Handle connection state if (connection === 'close') { const state = this.getTenantState(tenantId); state.isConnected = false; state.isInitializing = false; const statusCode = lastDisconnect?.error?.output?.statusCode; const errorMessage = lastDisconnect?.error?.message; const shouldReconnect = statusCode !== this.DisconnectReason.loggedOut; logger.warn('❌ Connection closed for tenant', { tenantId, statusCode, errorMessage, shouldReconnect, disconnectReason: this.getDisconnectReasonName(statusCode) }); await WhatsAppConnectionModel.updateStatus(tenantId, 'disconnected', { error_message: lastDisconnect?.error?.message }); this.qrHandler.clearQR(tenantId); this.io.emit('connection-status', { status: 'disconnected', tenantId }); // Auto-reconnect if not logged out if (shouldReconnect && state.reconnectAttempts < this.maxReconnectAttempts) { state.reconnectAttempts++; const baseDelay = Math.min(60000, 5000 * Math.pow(2, state.reconnectAttempts - 1)); const jitter = 1000 + Math.floor(Math.random() * 2000); const delay = baseDelay + jitter; logger.info('Attempting reconnection for tenant', { tenantId, attempt: state.reconnectAttempts, delay }); setTimeout(() => { this.initialize(tenantId, state.eventHandlers); }, delay); } } if (connection === 'open') { const state = this.getTenantState(tenantId); state.isConnected = true; state.isInitializing = false; state.reconnectAttempts = 0; const sock = this.tenantConnections.get(tenantId); const phoneNumber = sock?.user?.id?.split(':')[0]; logger.info('Connection opened for tenant', { tenantId, phoneNumber }); await WhatsAppConnectionModel.updateStatus(tenantId, 'connected', { phone_number: phoneNumber, last_connected_at: new Date() }); this.qrHandler.clearQR(tenantId); this.qrHandler.resetCounter(tenantId); this.io.emit('connection-status', { status: 'connected', phoneNumber, tenantId }); await this.forceHistorySync(tenantId); } } /** * Send message for tenant * @param {number} tenantId - Tenant ID * @param {string} phoneNumber - Phone number * @param {string} messageText - Message text * @returns {Promise<Object>} Result */ async sendMessage(tenantId, phoneNumber, messageText) { try { const sock = this.tenantConnections.get(tenantId); const state = this.getTenantState(tenantId); if (!sock || !state.isConnected) { logger.error('WhatsApp not connected for tenant', { tenantId }); return { success: false, error: 'WhatsApp not connected' }; } const jid = phoneNumber.includes('@') ? phoneNumber : `${phoneNumber}@s.whatsapp.net`; await sock.sendMessage(jid, { text: messageText }); logger.info('Message sent for tenant', { tenantId, phoneNumber }); return { success: true }; } catch (error) { logger.error('Error sending message for tenant', { tenantId, phoneNumber, error: error.message }); return { success: false, error: error.message }; } } /** * Disconnect tenant - ENHANCED ROBUST VERSION * @param {number} tenantId - Tenant ID */ async disconnect(tenantId) { try { logger.info('Starting enhanced disconnect for tenant', { tenantId }); const sock = this.tenantConnections.get(tenantId); const state = this.getTenantState(tenantId); // Clear health check if exists if (state.healthCheck) { clearInterval(state.healthCheck); state.healthCheck = null; } // Clear store intervals if (this.storeIntervals.has(tenantId)) { clearInterval(this.storeIntervals.get(tenantId)); this.storeIntervals.delete(tenantId); } if (this.chatStoreIntervals.has(tenantId)) { clearInterval(this.chatStoreIntervals.get(tenantId)); this.chatStoreIntervals.delete(tenantId); } // Save chat store before cleanup try { const chatStore = this.getChatStore(tenantId); if (chatStore && chatStore.size > 0) { const sessionPath = this.stateManager.getTenantSessionPath(tenantId); const chatStorePath = path.join(sessionPath, 'chat_store.json'); const chatsArray = Array.from(chatStore.values()); fs.writeFileSync(chatStorePath, JSON.stringify(chatsArray)); logger.info('Chat store saved before disconnect', { tenantId, chatsCount: chatsArray.length }); } } catch (saveError) { logger.warn('Failed to save chat store before disconnect', { tenantId, error: saveError.message }); } // Save Baileys store before cleanup try { const store = this.tenantStores.get(tenantId); if (store && store.writeToFile) { const sessionPath = this.stateManager.getTenantSessionPath(tenantId); const storePath = path.join(sessionPath, 'baileys_store.json'); store.writeToFile(storePath); logger.info('Baileys store saved before disconnect', { tenantId }); } } catch (saveError) { logger.warn('Failed to save Baileys store before disconnect', { tenantId, error: saveError.message }); } if (sock) { try { // Remove all event listeners to prevent memory leaks sock.ev.removeAllListeners(); // Gracefully logout if connected if (state.isConnected) { await sock.logout(); logger.info('Tenant logged out successfully', { tenantId }); } // Close the socket sock.end(); logger.info('Socket closed for tenant', { tenantId }); } catch (sockError) { logger.warn('Error during socket cleanup', { tenantId, error: sockError.message }); } this.tenantConnections.delete(tenantId); } // Clean up stores if (this.tenantStores.has(tenantId)) { this.tenantStores.delete(tenantId); } if (this.tenantChatStore.has(tenantId)) { this.tenantChatStore.delete(tenantId); } // Reset tenant state state.isConnected = false; state.isInitializing = false; state.reconnectAttempts = 0; state.lastDisconnectTime = Date.now(); state.eventHandlers = {}; // Update database status await WhatsAppConnectionModel.updateStatus(tenantId, 'disconnected', { disconnected_at: new Date(), disconnect_reason: 'manual_disconnect' }); // Clear QR code this.qrHandler.clearQR(tenantId); // Emit disconnect event this.io.emit('connection-status', { status: 'disconnected', tenantId, reason: 'manual_disconnect', timestamp: new Date().toISOString() }); logger.info('Enhanced tenant disconnect completed successfully', { tenantId }); return true; } catch (error) { logger.error('Error in enhanced disconnect for tenant', { tenantId, error: error.message, stack: error.stack }); return false; } } /** * Get tenant state * @param {number} tenantId - Tenant ID * @returns {Object} Tenant state */ getTenantState(tenantId) { if (!this.tenantStates.has(tenantId)) { this.tenantStates.set(tenantId, { isConnected: false, isInitializing: false, reconnectAttempts: 0, lastInitializeTime: 0, eventHandlers: {} }); } return this.tenantStates.get(tenantId); } /** * Get socket for tenant * @param {number} tenantId - Tenant ID * @returns {Object|null} Socket or null */ getSocket(tenantId) { return this.tenantConnections.get(tenantId) || null; } /** * Get chats for tenant * @param {number} tenantId - Tenant ID * @returns {Array} List of chats */ async getChats(tenantId) { const sock = this.tenantConnections.get(tenantId); if (!sock) { logger.warn("No socket found for tenant to get chats", { tenantId }); return []; } try { const chatStore = this.getChatStore(tenantId); if (chatStore.size) { return Array.from(chatStore.values()); } const sessionPath = this.stateManager.getTenantSessionPath(tenantId); const chatStorePath = path.join(sessionPath, 'chat_store.json'); if (fs.existsSync(chatStorePath)) { try { const raw = fs.readFileSync(chatStorePath, 'utf-8'); const storedChats = JSON.parse(raw || '[]'); if (Array.isArray(storedChats)) { storedChats.forEach((chat) => { const chatId = chat?.id?.id || chat?.id || chat?.jid || chat?.remoteJid || chat?.key?.remoteJid || ''; if (chatId) { chatStore.set(String(chatId), chat); } }); } } catch (error) { logger.warn('Failed to read chat store file', { tenantId, error: error.message }); } if (chatStore.size) { return Array.from(chatStore.values()); } } let store = this.tenantStores.get(tenantId); if (!store && this.makeInMemoryStore) { const sessionPath = this.stateManager.getTenantSessionPath(tenantId); const storePath = path.join(sessionPath, 'baileys_store.json'); store = this.makeInMemoryStore({ logger: pino({ level: 'silent' }) }); if (fs.existsSync(storePath)) { store.readFromFile(storePath); } store.bind(sock.ev); this.tenantStores.set(tenantId, store); if (!this.storeIntervals.has(tenantId)) { const intervalId = setInterval(() => { store.writeToFile(storePath); }, 10000); this.storeIntervals.set(tenantId, intervalId); } } if (store?.chats?.all) { const chats = store.chats.all(); if (chats.length) return chats; } if (store?.chats?.values) { const chats = Array.from(store.chats.values()); if (chats.length) return chats; } const storeStats = this.getStoreStats(tenantId); if (store && storeStats.storeFileExists && storeStats.storeFileSize > 0 && store.readFromFile) { const sessionPath = this.stateManager.getTenantSessionPath(tenantId); const storePath = path.join(sessionPath, 'baileys_store.json'); store.readFromFile(storePath); if (store?.chats?.all) { const chats = store.chats.all(); if (chats.length) return chats; } if (store?.chats?.values) { const chats = Array.from(store.chats.values()); if (chats.length) return chats; } } if (sock?.chats?.all) { const chats = sock.chats.all(); if (chats.length) return chats; } const now = Date.now(); const last = this.lastResyncAt.get(tenantId) || 0; if (sock?.resyncAppState && now - last > 30000) { this.lastResyncAt.set(tenantId, now); await sock.resyncAppState(['regular', 'regular_high', 'regular_low', 'critical_block', 'critical_unblock_low'], true); await new Promise(resolve => setTimeout(resolve, 2000)); } if (store?.chats?.all) { return store.chats.all(); } if (store?.chats?.values) { return Array.from(store.chats.values()); } if (sock?.chats?.all) { return sock.chats.all(); } logger.warn("Chat store empty after resync", { tenantId, storeStats: this.getStoreStats(tenantId) }); logger.warn("No chat store available for tenant", { tenantId }); return []; } catch (error) { logger.error("Error fetching chats for tenant", { tenantId, error: error.message }); return []; } } getStoreStats(tenantId) { try { const sessionPath = this.stateManager.getTenantSessionPath(tenantId); const storePath = path.join(sessionPath, 'baileys_store.json'); const chatStorePath = path.join(sessionPath, 'chat_store.json'); const store = this.tenantStores.get(tenantId); const chatsCount = store?.chats?.all ? store.chats.all().length : (store?.chats?.values ? Array.from(store.chats.values()).length : 0); let storeFileSize = 0; let storeFileExists = false; let chatStoreFileSize = 0; let chatStoreFileExists = false; if (fs.existsSync(storePath)) { storeFileExists = true; storeFileSize = fs.statSync(storePath).size; } if (fs.existsSync(chatStorePath)) { chatStoreFileExists = true; chatStoreFileSize = fs.statSync(chatStorePath).size; } return { hasStore: !!store, chatsCount, storeFileExists, storeFileSize, chatStoreFileExists, chatStoreFileSize }; } catch (error) { return { hasStore: false, chatsCount: 0, storeFileExists: false, storeFileSize: 0, chatStoreFileExists: false, chatStoreFileSize: 0 }; } } getChatStore(tenantId) { if (!this.tenantChatStore.has(tenantId)) { this.tenantChatStore.set(tenantId, new Map()); } return this.tenantChatStore.get(tenantId); } /** * Check if tenant is connected * @param {number} tenantId - Tenant ID * @returns {boolean} Connection status */ isConnected(tenantId) { const state = this.getTenantState(tenantId); return state.isConnected; } /** * Get download media message function * @returns {Function} Download function */ getDownloadMediaMessage() { return this.downloadMediaMessage; } /** * Get connection status for tenant * @param {number} tenantId - Tenant ID * @returns {Object} Connection status */ getStatus(tenantId) { const state = this.getTenantState(tenantId); const sock = this.tenantConnections.get(tenantId); return { connected: state.isConnected, initializing: state.isInitializing, reconnectAttempts: state.reconnectAttempts, hasSocket: !!sock }; } /** * Reconnect tenant * @param {number} tenantId - Tenant ID */ async reconnect(tenantId) { const state = this.getTenantState(tenantId); state.reconnectAttempts = 0; await this.initialize(tenantId, state.eventHandlers); } async forceHistorySync(tenantId) { const sock = this.tenantConnections.get(tenantId); if (!sock) return false; const now = Date.now(); const last = this.lastResyncAt.get(tenantId) || 0; if (now - last < 5000) return true; this.lastResyncAt.set(tenantId, now); if (sock.resyncAppState) { await sock.resyncAppState(['regular', 'regular_high', 'regular_low', 'critical_block', 'critical_unblock_low'], true); } if (sock.cleanDirtyBits) { await sock.cleanDirtyBits('account_sync'); await sock.cleanDirtyBits('groups'); } return true; } /** * Get human-readable disconnect reason name * @param {number} statusCode - Disconnect status code * @returns {string} Reason name */ getDisconnectReasonName(statusCode) { if (!this.DisconnectReason || !statusCode) return 'Unknown'; const reasons = { [this.DisconnectReason.badSession]: 'Bad Session', [this.DisconnectReason.connectionClosed]: 'Connection Closed', [this.DisconnectReason.connectionLost]: 'Connection Lost', [this.DisconnectReason.connectionReplaced]: 'Connection Replaced', [this.DisconnectReason.loggedOut]: 'Logged Out', [this.DisconnectReason.restartRequired]: 'Restart Required', [this.DisconnectReason.timedOut]: 'Timed Out', [this.DisconnectReason.multideviceMismatch]: 'Multidevice Mismatch' }; return reasons[statusCode] || `Unknown (${statusCode})`; } } module.exports = WhatsAppConnection; |