X-Git-Url: https://git.giacomolli.uk/onechat/blobdiff_plain/b1be0ee8530df5db8973bfe355f2f6d3149383a0..80e348724041a694002fc38f57e8868b9b9a2be9:/whatsapp.go diff --git a/whatsapp.go b/whatsapp.go index 57bfab0..ee785a3 100644 --- a/whatsapp.go +++ b/whatsapp.go @@ -2,6 +2,7 @@ package main import ( "context" + "crypto/sha256" "database/sql" "errors" "fmt" @@ -97,60 +98,6 @@ type WhatsAppClient interface { SendMessage(ctx context.Context, to types.JID, message *waE2E.Message, extra ...whatsmeow.SendRequestExtra) (whatsmeow.SendResponse, error) } -// openWhatsApp opens the WhatsApp session in the data directory dir. Without -// the session file, WhatsApp is not linked. The session gives full access to -// the account, so a file that another user can read is an error. The clock -// gives the times of the status, logger gets the failures, and newClient makes -// the client of a device with its event handler. -func openWhatsApp(ctx context.Context, dir string, clock func() time.Time, logger *slog.Logger, newClient func(device *store.Device, handle func(event any) bool) WhatsAppClient) (*WhatsApp, error) { - w := &WhatsApp{ - ctx: ctx, - dir: filepath.Join(dir, whatsappDirName), - clock: clock, - logger: logger, - newClient: newClient, - requests: make(chan WhatsAppRequest, whatsappRequests), - logouts: make(chan struct{}, 1), - groups: newWhatsAppGroups(logger), - } - - var err error - - w.state, err = openWhatsAppState(filepath.Join(w.dir, whatsappStateFileName)) - if err != nil { - return nil, err - } - - w.inbox = newWhatsAppInbox(w.state, clock, w.groups, &ImageStore{dir: filepath.Join(dir, imageDirName)}, logger) - - info, err := os.Stat(w.sessionPath()) - if errors.Is(err, os.ErrNotExist) { - return w, nil - } - - if err != nil { - return nil, fmt.Errorf("read WhatsApp session: %w", err) - } - - if info.Mode().Perm()&0o077 != 0 { - return nil, fmt.Errorf("%s holds the WhatsApp session, so its mode must be 0600", filepath.Join(whatsappDirName, whatsappSessionFileName)) - } - - err = w.openSession(ctx) - if err != nil { - return nil, err - } - - if w.device.ID != nil { - w.linked = true - w.inbox.waitForCatchup() - - w.own = whatsappOwnIDs(w.device.ID.User, w.device.LID.User) - } - - return w, nil -} - // WhatsApp is the link of the daemon to the WhatsApp account of the user, as a // linked device. The session database of the library in dir holds the keys of // the device. Run keeps a linked device connected, and the library connects @@ -211,6 +158,78 @@ type WhatsApp struct { closed bool } +// WhatsAppLink is a copy of the link of the device at one time, for the parts +// of WhatsApp that do not own it: the groups, the batches, find, and send. +type WhatsAppLink struct { + linked bool + device *store.Device + client WhatsAppClient + connected bool + own []string +} + +// WhatsAppRequest is a pair or unlink command for Run, with the function that +// gives its answers to the client that asked. A pairing has the phone number. +type WhatsAppRequest struct { + phone string + unlink bool + answer func(text string) +} + +// openWhatsApp opens the WhatsApp session in the data directory dir. Without +// the session file, WhatsApp is not linked. The session gives full access to +// the account, so a file that another user can read is an error. The clock +// gives the times of the status, logger gets the failures, and newClient makes +// the client of a device with its event handler. +func openWhatsApp(ctx context.Context, dir string, clock func() time.Time, logger *slog.Logger, newClient func(device *store.Device, handle func(event any) bool) WhatsAppClient) (*WhatsApp, error) { + w := &WhatsApp{ + ctx: ctx, + dir: filepath.Join(dir, whatsappDirName), + clock: clock, + logger: logger, + newClient: newClient, + requests: make(chan WhatsAppRequest, whatsappRequests), + logouts: make(chan struct{}, 1), + groups: newWhatsAppGroups(logger), + } + + var err error + + w.state, err = openWhatsAppState(filepath.Join(w.dir, whatsappStateFileName)) + if err != nil { + return nil, err + } + + w.inbox = newWhatsAppInbox(w.state, clock, w.groups, &ImageStore{dir: filepath.Join(dir, imageDirName)}, logger) + + info, err := os.Stat(w.sessionPath()) + if errors.Is(err, os.ErrNotExist) { + return w, nil + } + + if err != nil { + return nil, fmt.Errorf("read WhatsApp session: %w", err) + } + + if info.Mode().Perm()&0o077 != 0 { + return nil, fmt.Errorf("%s holds the WhatsApp session, so its mode must be 0600", filepath.Join(whatsappDirName, whatsappSessionFileName)) + } + + err = w.openSession(ctx) + if err != nil { + return nil, err + } + + if w.device.ID != nil { + w.linked = true + w.inbox.waitForCatchup() + + w.own = whatsappOwnIDs(w.device.ID.User, w.device.LID.User) + } + + return w, nil +} + // Run connects a linked device, logs the closed batches in l, runs the pair and // unlink commands, and handles a logout from the phone, until ctx ends. Its // notes go to the log of l, and notify gets the notices for all clients. A @@ -466,7 +485,7 @@ func (w *WhatsApp) Find(ctx context.Context, name string) (string, error) { // Send returns the answer of whatsapp_send for text and an optional stored // image to chat, with the durable send id that whatsappSend describes. func (w *WhatsApp) Send(ctx context.Context, id, chat, text, image string) (string, error) { - return whatsappSend(ctx, w.link(), w.groups, w.state, w.inbox.images, w.clock, id, chat, text, image) + return whatsappSend(ctx, w.link(), w.groups, w.state, w.inbox.images, w.logger, w.clock, id, chat, text, image) } func (w *WhatsApp) sessionPath() string { @@ -1046,24 +1065,6 @@ func (w *WhatsApp) redact(text string) string { return whatsappRedact(w.own, text) } -// WhatsAppLink is a copy of the link of the device at one time, for the parts -// of WhatsApp that do not own it: the groups, the batches, find, and send. -type WhatsAppLink struct { - linked bool - device *store.Device - client WhatsAppClient - connected bool - own []string -} - -// WhatsAppRequest is a pair or unlink command for Run, with the function that -// gives its answers to the client that asked. A pairing has the phone number. -type WhatsAppRequest struct { - phone string - unlink bool - answer func(text string) -} - // whatsappSetDeviceProps sets the device properties that the library sends at // the pairing. They are global values of the library, so the daemon sets them // once before any client exists. The phone shows the linked device with the @@ -1144,6 +1145,14 @@ func whatsappOwnIDs(ids ...string) []string { return own } +// whatsappChatHash returns a short hash of chat for the daemon log, so that a +// log line can tell chats apart without a phone number. +func whatsappChatHash(chat types.JID) string { + digest := sha256.Sum256([]byte(chat.ToNonAD().String())) + + return fmt.Sprintf("%x", digest[:6]) +} + // whatsappRedact replaces each of the own IDs own in text with OWN. func whatsappRedact(own []string, text string) string { for _, id := range own {