initial commit

This commit is contained in:
2025-12-28 21:34:45 +02:00
parent dbffadf0d3
commit 499104c69c
27 changed files with 4043 additions and 2 deletions

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internal/whatsapp/client.go Normal file
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package whatsapp
import (
"context"
"crypto/sha256"
"encoding/base64"
"encoding/hex"
"fmt"
"os"
"path/filepath"
"sync"
"time"
"git.warky.dev/wdevs/whatshooked/internal/config"
"git.warky.dev/wdevs/whatshooked/internal/events"
"git.warky.dev/wdevs/whatshooked/internal/logging"
qrterminal "github.com/mdp/qrterminal/v3"
"go.mau.fi/whatsmeow"
"go.mau.fi/whatsmeow/proto/waE2E"
"go.mau.fi/whatsmeow/store/sqlstore"
"go.mau.fi/whatsmeow/types"
waEvents "go.mau.fi/whatsmeow/types/events"
waLog "go.mau.fi/whatsmeow/util/log"
"google.golang.org/protobuf/proto"
_ "github.com/mattn/go-sqlite3"
)
// Manager manages multiple WhatsApp client connections
type Manager struct {
clients map[string]*Client
mu sync.RWMutex
eventBus *events.EventBus
mediaConfig config.MediaConfig
config *config.Config
configPath string
onConfigUpdate func(*config.Config) error
}
// Client represents a single WhatsApp connection
type Client struct {
ID string
PhoneNumber string
Client *whatsmeow.Client
Container *sqlstore.Container
keepAliveCancel context.CancelFunc
}
// NewManager creates a new WhatsApp manager
func NewManager(eventBus *events.EventBus, mediaConfig config.MediaConfig, cfg *config.Config, configPath string, onConfigUpdate func(*config.Config) error) *Manager {
return &Manager{
clients: make(map[string]*Client),
eventBus: eventBus,
mediaConfig: mediaConfig,
config: cfg,
configPath: configPath,
onConfigUpdate: onConfigUpdate,
}
}
// Connect establishes a connection to a WhatsApp account
func (m *Manager) Connect(ctx context.Context, cfg config.WhatsAppConfig) error {
m.mu.Lock()
defer m.mu.Unlock()
if _, exists := m.clients[cfg.ID]; exists {
return fmt.Errorf("client %s already connected", cfg.ID)
}
// Ensure session directory exists
if err := os.MkdirAll(cfg.SessionPath, 0700); err != nil {
return fmt.Errorf("failed to create session directory: %w", err)
}
// Create database container for session storage
dbPath := filepath.Join(cfg.SessionPath, "session.db")
dbLog := waLog.Stdout("Database", "ERROR", true)
container, err := sqlstore.New(ctx, "sqlite3", "file:"+dbPath+"?_foreign_keys=on", dbLog)
if err != nil {
return fmt.Errorf("failed to create database container: %w", err)
}
// Get device store
deviceStore, err := container.GetFirstDevice(ctx)
if err != nil {
return fmt.Errorf("failed to get device: %w", err)
}
// Set custom client information
//if deviceStore.ID == nil {
// Only set for new devices
deviceStore.Platform = "WhatsHooked"
deviceStore.BusinessName = "git.warky.dev/wdevs/whatshooked"
//}
// Create client
clientLog := waLog.Stdout("Client", "ERROR", true)
client := whatsmeow.NewClient(deviceStore, clientLog)
// Register event handler
client.AddEventHandler(func(evt interface{}) {
m.handleEvent(cfg.ID, evt)
})
// Connect
if client.Store.ID == nil {
// New device, need to pair
qrChan, _ := client.GetQRChannel(ctx)
if err := client.Connect(); err != nil {
m.eventBus.Publish(events.WhatsAppPairFailedEvent(ctx, cfg.ID, err))
return fmt.Errorf("failed to connect: %w", err)
}
// Wait for QR code
for evt := range qrChan {
switch evt.Event {
case "code":
logging.Info("QR code received for pairing", "account_id", cfg.ID)
// Always display QR code in terminal
fmt.Println("\n========================================")
fmt.Printf("WhatsApp QR Code for account: %s\n", cfg.ID)
fmt.Printf("Phone: %s\n", cfg.PhoneNumber)
fmt.Println("========================================")
fmt.Println("Scan this QR code with WhatsApp on your phone:")
qrterminal.GenerateHalfBlock(evt.Code, qrterminal.L, os.Stdout)
fmt.Println("========================================")
// Publish QR code event
m.eventBus.Publish(events.WhatsAppQRCodeEvent(ctx, cfg.ID, evt.Code))
case "success":
logging.Info("Pairing successful", "account_id", cfg.ID, "phone", cfg.PhoneNumber)
m.eventBus.Publish(events.WhatsAppPairSuccessEvent(ctx, cfg.ID))
case "timeout":
logging.Warn("QR code timeout", "account_id", cfg.ID)
m.eventBus.Publish(events.WhatsAppQRTimeoutEvent(ctx, cfg.ID))
case "error":
logging.Error("QR code error", "account_id", cfg.ID, "error", evt.Error)
m.eventBus.Publish(events.WhatsAppQRErrorEvent(ctx, cfg.ID, fmt.Errorf("%v", evt.Error)))
default:
logging.Info("Pairing event", "account_id", cfg.ID, "event", evt.Event)
m.eventBus.Publish(events.WhatsAppPairEventGeneric(ctx, cfg.ID, evt.Event, map[string]any{
"code": evt.Code,
}))
}
}
} else {
// Already paired, just connect
if err := client.Connect(); err != nil {
return fmt.Errorf("failed to connect: %w", err)
}
}
if deviceStore.PushName == "" {
deviceStore.PushName = fmt.Sprintf("WhatsHooked %s", cfg.PhoneNumber)
if err := deviceStore.Save(ctx); err != nil {
logging.Error("failed to save device store %s", cfg.ID)
}
}
waClient := &Client{
ID: cfg.ID,
PhoneNumber: cfg.PhoneNumber,
Client: client,
Container: container,
}
m.clients[cfg.ID] = waClient
if client.IsConnected() {
err := client.SendPresence(ctx, types.PresenceAvailable)
if err != nil {
logging.Warn("Failed to send presence", "account_id", cfg.ID, "error", err)
} else {
logging.Debug("Sent presence update", "account_id", cfg.ID)
}
}
// Start keep-alive routine
m.startKeepAlive(waClient)
logging.Info("WhatsApp client connected", "account_id", cfg.ID, "phone", cfg.PhoneNumber)
return nil
}
// Disconnect disconnects a WhatsApp client
func (m *Manager) Disconnect(id string) error {
m.mu.Lock()
defer m.mu.Unlock()
client, exists := m.clients[id]
if !exists {
return fmt.Errorf("client %s not found", id)
}
// Stop keep-alive
if client.keepAliveCancel != nil {
client.keepAliveCancel()
}
client.Client.Disconnect()
delete(m.clients, id)
logging.Info("WhatsApp client disconnected", "account_id", id)
return nil
}
// DisconnectAll disconnects all WhatsApp clients
func (m *Manager) DisconnectAll() {
m.mu.Lock()
defer m.mu.Unlock()
for id, client := range m.clients {
// Stop keep-alive
if client.keepAliveCancel != nil {
client.keepAliveCancel()
}
client.Client.Disconnect()
logging.Info("WhatsApp client disconnected", "account_id", id)
}
m.clients = make(map[string]*Client)
}
// SendTextMessage sends a text message from a specific account
func (m *Manager) SendTextMessage(ctx context.Context, accountID string, jid types.JID, text string) error {
if ctx == nil {
ctx = context.Background()
}
m.mu.RLock()
client, exists := m.clients[accountID]
m.mu.RUnlock()
if !exists {
err := fmt.Errorf("client %s not found", accountID)
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), text, err))
return err
}
msg := &waE2E.Message{
Conversation: proto.String(text),
}
resp, err := client.Client.SendMessage(ctx, jid, msg)
if err != nil {
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), text, err))
return fmt.Errorf("failed to send message: %w", err)
}
logging.Debug("Message sent", "account_id", accountID, "to", jid.String())
m.eventBus.Publish(events.MessageSentEvent(ctx, accountID, resp.ID, jid.String(), text))
return nil
}
// SendImage sends an image message from a specific account
func (m *Manager) SendImage(ctx context.Context, accountID string, jid types.JID, imageData []byte, mimeType string, caption string) error {
if ctx == nil {
ctx = context.Background()
}
m.mu.RLock()
client, exists := m.clients[accountID]
m.mu.RUnlock()
if !exists {
err := fmt.Errorf("client %s not found", accountID)
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), caption, err))
return err
}
// Upload the image
uploaded, err := client.Client.Upload(ctx, imageData, whatsmeow.MediaImage)
if err != nil {
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), caption, err))
return fmt.Errorf("failed to upload image: %w", err)
}
// Create image message
msg := &waE2E.Message{
ImageMessage: &waE2E.ImageMessage{
URL: proto.String(uploaded.URL),
DirectPath: proto.String(uploaded.DirectPath),
MediaKey: uploaded.MediaKey,
Mimetype: proto.String(mimeType),
FileEncSHA256: uploaded.FileEncSHA256,
FileSHA256: uploaded.FileSHA256,
FileLength: proto.Uint64(uint64(len(imageData))),
},
}
// Add caption if provided
if caption != "" {
msg.ImageMessage.Caption = proto.String(caption)
}
// Send the message
resp, err := client.Client.SendMessage(ctx, jid, msg)
if err != nil {
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), caption, err))
return fmt.Errorf("failed to send image: %w", err)
}
logging.Debug("Image sent", "account_id", accountID, "to", jid.String())
m.eventBus.Publish(events.MessageSentEvent(ctx, accountID, resp.ID, jid.String(), caption))
return nil
}
// SendVideo sends a video message from a specific account
func (m *Manager) SendVideo(ctx context.Context, accountID string, jid types.JID, videoData []byte, mimeType string, caption string) error {
if ctx == nil {
ctx = context.Background()
}
m.mu.RLock()
client, exists := m.clients[accountID]
m.mu.RUnlock()
if !exists {
err := fmt.Errorf("client %s not found", accountID)
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), caption, err))
return err
}
// Upload the video
uploaded, err := client.Client.Upload(ctx, videoData, whatsmeow.MediaVideo)
if err != nil {
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), caption, err))
return fmt.Errorf("failed to upload video: %w", err)
}
// Create video message
msg := &waE2E.Message{
VideoMessage: &waE2E.VideoMessage{
URL: proto.String(uploaded.URL),
DirectPath: proto.String(uploaded.DirectPath),
MediaKey: uploaded.MediaKey,
Mimetype: proto.String(mimeType),
FileEncSHA256: uploaded.FileEncSHA256,
FileSHA256: uploaded.FileSHA256,
FileLength: proto.Uint64(uint64(len(videoData))),
},
}
// Add caption if provided
if caption != "" {
msg.VideoMessage.Caption = proto.String(caption)
}
// Send the message
resp, err := client.Client.SendMessage(ctx, jid, msg)
if err != nil {
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), caption, err))
return fmt.Errorf("failed to send video: %w", err)
}
logging.Debug("Video sent", "account_id", accountID, "to", jid.String())
m.eventBus.Publish(events.MessageSentEvent(ctx, accountID, resp.ID, jid.String(), caption))
return nil
}
// SendDocument sends a document message from a specific account
func (m *Manager) SendDocument(ctx context.Context, accountID string, jid types.JID, documentData []byte, mimeType string, filename string, caption string) error {
if ctx == nil {
ctx = context.Background()
}
m.mu.RLock()
client, exists := m.clients[accountID]
m.mu.RUnlock()
if !exists {
err := fmt.Errorf("client %s not found", accountID)
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), caption, err))
return err
}
// Upload the document
uploaded, err := client.Client.Upload(ctx, documentData, whatsmeow.MediaDocument)
if err != nil {
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), caption, err))
return fmt.Errorf("failed to upload document: %w", err)
}
// Create document message
msg := &waE2E.Message{
DocumentMessage: &waE2E.DocumentMessage{
URL: proto.String(uploaded.URL),
DirectPath: proto.String(uploaded.DirectPath),
MediaKey: uploaded.MediaKey,
Mimetype: proto.String(mimeType),
FileEncSHA256: uploaded.FileEncSHA256,
FileSHA256: uploaded.FileSHA256,
FileLength: proto.Uint64(uint64(len(documentData))),
FileName: proto.String(filename),
},
}
// Add caption if provided
if caption != "" {
msg.DocumentMessage.Caption = proto.String(caption)
}
// Send the message
resp, err := client.Client.SendMessage(ctx, jid, msg)
if err != nil {
m.eventBus.Publish(events.MessageFailedEvent(ctx, accountID, jid.String(), caption, err))
return fmt.Errorf("failed to send document: %w", err)
}
logging.Debug("Document sent", "account_id", accountID, "to", jid.String(), "filename", filename)
m.eventBus.Publish(events.MessageSentEvent(ctx, accountID, resp.ID, jid.String(), caption))
return nil
}
// GetClient returns a client by ID
func (m *Manager) GetClient(id string) (*Client, bool) {
m.mu.RLock()
defer m.mu.RUnlock()
client, exists := m.clients[id]
return client, exists
}
// handleEvent processes WhatsApp events
func (m *Manager) handleEvent(accountID string, evt interface{}) {
ctx := context.Background()
switch v := evt.(type) {
case *waEvents.Message:
logging.Debug("Message received", "account_id", accountID, "from", v.Info.Sender.String())
// Get the client for downloading media
m.mu.RLock()
client, exists := m.clients[accountID]
m.mu.RUnlock()
if !exists {
logging.Error("Client not found for message event", "account_id", accountID)
return
}
// Extract message content based on type
var text string
var messageType string = "text"
var mimeType string
var filename string
var mediaBase64 string
var mediaURL string
// Handle text messages
if v.Message.Conversation != nil {
text = *v.Message.Conversation
messageType = "text"
} else if v.Message.ExtendedTextMessage != nil && v.Message.ExtendedTextMessage.Text != nil {
text = *v.Message.ExtendedTextMessage.Text
messageType = "text"
}
// Handle image messages
if v.Message.ImageMessage != nil {
img := v.Message.ImageMessage
messageType = "image"
mimeType = img.GetMimetype()
// Use filename from caption or default
if img.Caption != nil {
text = *img.Caption
}
// Download image
data, err := client.Client.Download(ctx, img)
if err != nil {
logging.Error("Failed to download image", "account_id", accountID, "error", err)
} else {
filename, mediaURL = m.processMediaData(accountID, v.Info.ID, data, mimeType, &mediaBase64)
}
}
// Handle video messages
if v.Message.VideoMessage != nil {
vid := v.Message.VideoMessage
messageType = "video"
mimeType = vid.GetMimetype()
// Use filename from caption or default
if vid.Caption != nil {
text = *vid.Caption
}
// Download video
data, err := client.Client.Download(ctx, vid)
if err != nil {
logging.Error("Failed to download video", "account_id", accountID, "error", err)
} else {
filename, mediaURL = m.processMediaData(accountID, v.Info.ID, data, mimeType, &mediaBase64)
}
}
// Handle document messages
if v.Message.DocumentMessage != nil {
doc := v.Message.DocumentMessage
messageType = "document"
mimeType = doc.GetMimetype()
// Use provided filename or generate one
if doc.FileName != nil {
filename = *doc.FileName
}
// Use caption as text if provided
if doc.Caption != nil {
text = *doc.Caption
}
// Download document
data, err := client.Client.Download(ctx, doc)
if err != nil {
logging.Error("Failed to download document", "account_id", accountID, "error", err)
} else {
filename, mediaURL = m.processMediaData(accountID, v.Info.ID, data, mimeType, &mediaBase64)
}
}
// Publish message received event
m.eventBus.Publish(events.MessageReceivedEvent(
ctx,
accountID,
v.Info.ID,
v.Info.Sender.String(),
v.Info.Chat.String(),
text,
v.Info.Timestamp,
v.Info.IsGroup,
"", // group name - TODO: extract from message
"", // sender name - TODO: extract from message
messageType,
mimeType,
filename,
mediaBase64,
mediaURL,
))
case *waEvents.Connected:
logging.Info("WhatsApp connected", "account_id", accountID)
// Get phone number and client for account
m.mu.RLock()
client, exists := m.clients[accountID]
m.mu.RUnlock()
phoneNumber := ""
if exists {
// Get the actual phone number from WhatsApp
if client.Client.Store.ID != nil {
actualPhone := client.Client.Store.ID.User
phoneNumber = "+" + actualPhone
// Update phone number in client and config if it's different
if client.PhoneNumber != phoneNumber {
client.PhoneNumber = phoneNumber
logging.Info("Updated phone number from WhatsApp", "account_id", accountID, "phone", phoneNumber)
// Update config
m.updateConfigPhoneNumber(accountID, phoneNumber)
}
} else if client.PhoneNumber != "" {
phoneNumber = client.PhoneNumber
}
}
m.eventBus.Publish(events.WhatsAppConnectedEvent(ctx, accountID, phoneNumber))
case *waEvents.Disconnected:
logging.Warn("WhatsApp disconnected", "account_id", accountID)
m.eventBus.Publish(events.WhatsAppDisconnectedEvent(ctx, accountID, "connection lost"))
case *waEvents.Receipt:
// Handle delivery and read receipts
if v.Type == types.ReceiptTypeDelivered {
for _, messageID := range v.MessageIDs {
logging.Debug("Message delivered", "account_id", accountID, "message_id", messageID, "from", v.Sender.String())
m.eventBus.Publish(events.MessageDeliveredEvent(ctx, accountID, messageID, v.Sender.String(), v.Timestamp))
}
} else if v.Type == types.ReceiptTypeRead {
for _, messageID := range v.MessageIDs {
logging.Debug("Message read", "account_id", accountID, "message_id", messageID, "from", v.Sender.String())
m.eventBus.Publish(events.MessageReadEvent(ctx, accountID, messageID, v.Sender.String(), v.Timestamp))
}
}
}
}
// startKeepAlive starts a goroutine that sends presence updates to keep the connection alive
func (m *Manager) startKeepAlive(client *Client) {
ctx, cancel := context.WithCancel(context.Background())
client.keepAliveCancel = cancel
go func() {
ticker := time.NewTicker(60 * time.Second) // Send presence every 60 seconds
defer ticker.Stop()
for {
select {
case <-ctx.Done():
logging.Debug("Keep-alive stopped", "account_id", client.ID)
return
case <-ticker.C:
// Send presence as "available"
if client.Client.IsConnected() {
err := client.Client.SendPresence(ctx, types.PresenceAvailable)
if err != nil {
logging.Warn("Failed to send presence", "account_id", client.ID, "error", err)
} else {
logging.Debug("Sent presence update", "account_id", client.ID)
}
}
}
}
}()
logging.Info("Keep-alive started", "account_id", client.ID)
}
// updateConfigPhoneNumber updates the phone number for an account in the config and saves it
func (m *Manager) updateConfigPhoneNumber(accountID, phoneNumber string) {
if m.config == nil || m.onConfigUpdate == nil {
return
}
// Find and update the account in the config
for i := range m.config.WhatsApp {
if m.config.WhatsApp[i].ID == accountID {
m.config.WhatsApp[i].PhoneNumber = phoneNumber
// Save the updated config
if err := m.onConfigUpdate(m.config); err != nil {
logging.Error("Failed to save updated config", "account_id", accountID, "error", err)
} else {
logging.Info("Config updated with phone number", "account_id", accountID, "phone", phoneNumber)
}
break
}
}
}
// processMediaData processes media based on the configured mode
// Returns filename and mediaURL, and optionally sets mediaBase64
func (m *Manager) processMediaData(accountID, messageID string, data []byte, mimeType string, mediaBase64 *string) (string, string) {
mode := m.mediaConfig.Mode
var filename string
var mediaURL string
// Generate filename
ext := getExtensionFromMimeType(mimeType)
hash := sha256.Sum256(data)
hashStr := hex.EncodeToString(hash[:8])
filename = fmt.Sprintf("%s_%s%s", messageID, hashStr, ext)
// Handle base64 mode
if mode == "base64" || mode == "both" {
*mediaBase64 = base64.StdEncoding.EncodeToString(data)
}
// Handle link mode
if mode == "link" || mode == "both" {
// Save file to disk
filePath, err := m.saveMediaFile(accountID, messageID, data, mimeType)
if err != nil {
logging.Error("Failed to save media file", "account_id", accountID, "message_id", messageID, "error", err)
} else {
// Extract just the filename from the full path
filename = filepath.Base(filePath)
mediaURL = m.generateMediaURL(accountID, messageID, filename)
}
}
return filename, mediaURL
}
// saveMediaFile saves media data to disk and returns the file path
func (m *Manager) saveMediaFile(accountID, messageID string, data []byte, mimeType string) (string, error) {
// Create account-specific media directory
mediaDir := filepath.Join(m.mediaConfig.DataPath, accountID)
if err := os.MkdirAll(mediaDir, 0755); err != nil {
return "", fmt.Errorf("failed to create media directory: %w", err)
}
// Generate unique filename using message ID and hash
hash := sha256.Sum256(data)
hashStr := hex.EncodeToString(hash[:8]) // Use first 8 bytes of hash
ext := getExtensionFromMimeType(mimeType)
filename := fmt.Sprintf("%s_%s%s", messageID, hashStr, ext)
// Full path to file
filePath := filepath.Join(mediaDir, filename)
// Write file
if err := os.WriteFile(filePath, data, 0644); err != nil {
return "", fmt.Errorf("failed to write media file: %w", err)
}
return filePath, nil
}
// generateMediaURL generates a URL for accessing stored media
func (m *Manager) generateMediaURL(accountID, messageID, filename string) string {
baseURL := m.mediaConfig.BaseURL
if baseURL == "" {
baseURL = "http://localhost:8080" // default
}
return fmt.Sprintf("%s/api/media/%s/%s", baseURL, accountID, filename)
}
// getExtensionFromMimeType returns the file extension for a given MIME type
func getExtensionFromMimeType(mimeType string) string {
extensions := map[string]string{
// Images
"image/jpeg": ".jpg",
"image/jpg": ".jpg",
"image/png": ".png",
"image/gif": ".gif",
"image/webp": ".webp",
"image/bmp": ".bmp",
"image/svg+xml": ".svg",
// Videos
"video/mp4": ".mp4",
"video/mpeg": ".mpeg",
"video/quicktime": ".mov",
"video/x-msvideo": ".avi",
"video/webm": ".webm",
"video/3gpp": ".3gp",
// Documents
"application/pdf": ".pdf",
"application/msword": ".doc",
"application/vnd.openxmlformats-officedocument.wordprocessingml.document": ".docx",
"application/vnd.ms-excel": ".xls",
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet": ".xlsx",
"application/vnd.ms-powerpoint": ".ppt",
"application/vnd.openxmlformats-officedocument.presentationml.presentation": ".pptx",
"text/plain": ".txt",
"text/html": ".html",
"application/zip": ".zip",
"application/x-rar-compressed": ".rar",
"application/x-7z-compressed": ".7z",
"application/json": ".json",
"application/xml": ".xml",
// Audio
"audio/mpeg": ".mp3",
"audio/ogg": ".ogg",
"audio/wav": ".wav",
"audio/aac": ".aac",
"audio/x-m4a": ".m4a",
}
if ext, ok := extensions[mimeType]; ok {
return ext
}
return "" // No extension if mime type is unknown
}