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mautrix-whatsapp/portal.go
Tulir Asokan 1e84a169f9 Handle media retries asynchronously
2024-04-11 17:27:49 +03:00

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// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
// Copyright (C) 2024 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"bytes"
"context"
"crypto/rand"
"crypto/sha256"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"image"
"image/color"
_ "image/gif"
"image/jpeg"
"image/png"
"io"
"maps"
"math"
"mime"
"net/http"
"reflect"
"runtime/debug"
"strconv"
"strings"
"sync"
"time"
"github.com/rs/zerolog"
"github.com/tidwall/gjson"
"go.mau.fi/util/exzerolog"
cwebp "go.mau.fi/webp"
"go.mau.fi/whatsmeow"
waProto "go.mau.fi/whatsmeow/binary/proto"
"go.mau.fi/whatsmeow/types"
"go.mau.fi/whatsmeow/types/events"
"golang.org/x/exp/slices"
"golang.org/x/image/draw"
"golang.org/x/image/webp"
"google.golang.org/protobuf/proto"
"go.mau.fi/util/exerrors"
"go.mau.fi/util/exmime"
"go.mau.fi/util/ffmpeg"
"go.mau.fi/util/jsontime"
"go.mau.fi/util/random"
"go.mau.fi/util/variationselector"
"maunium.net/go/mautrix"
"maunium.net/go/mautrix/appservice"
"maunium.net/go/mautrix/bridge"
"maunium.net/go/mautrix/bridge/bridgeconfig"
"maunium.net/go/mautrix/bridge/status"
"maunium.net/go/mautrix/crypto/attachment"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/format"
"maunium.net/go/mautrix/id"
"maunium.net/go/mautrix-whatsapp/database"
)
const StatusBroadcastTopic = "WhatsApp status updates from your contacts"
const StatusBroadcastName = "WhatsApp Status Broadcast"
const BroadcastTopic = "WhatsApp broadcast list"
const UnnamedBroadcastName = "Unnamed broadcast list"
const PrivateChatTopic = "WhatsApp private chat"
var ErrStatusBroadcastDisabled = errors.New("status bridging is disabled")
func (br *WABridge) GetPortalByMXID(mxid id.RoomID) *Portal {
ctx := context.TODO()
br.portalsLock.Lock()
defer br.portalsLock.Unlock()
portal, ok := br.portalsByMXID[mxid]
if !ok {
dbPortal, err := br.DB.Portal.GetByMXID(ctx, mxid)
if err != nil {
br.ZLog.Err(err).Stringer("mxid", mxid).Msg("Failed to get portal by MXID")
return nil
}
return br.loadDBPortal(ctx, dbPortal, nil)
}
return portal
}
func (br *WABridge) GetIPortal(mxid id.RoomID) bridge.Portal {
p := br.GetPortalByMXID(mxid)
if p == nil {
return nil
}
return p
}
func (portal *Portal) IsEncrypted() bool {
return portal.Encrypted
}
func (portal *Portal) MarkEncrypted() {
portal.Encrypted = true
err := portal.Update(context.TODO())
if err != nil {
portal.zlog.Err(err).Msg("Failed to mark portal as encrypted")
}
}
func (portal *Portal) ReceiveMatrixEvent(user bridge.User, evt *event.Event) {
if user.GetPermissionLevel() >= bridgeconfig.PermissionLevelUser || portal.HasRelaybot() {
portal.events <- &PortalEvent{
MatrixMessage: &PortalMatrixMessage{
user: user.(*User),
evt: evt,
receivedAt: time.Now(),
},
}
}
}
func (br *WABridge) GetPortalByJID(key database.PortalKey) *Portal {
ctx := context.TODO()
br.portalsLock.Lock()
defer br.portalsLock.Unlock()
portal, ok := br.portalsByJID[key]
if !ok {
dbPortal, err := br.DB.Portal.GetByJID(ctx, key)
if err != nil {
br.ZLog.Err(err).Str("key", key.String()).Msg("Failed to get portal by JID")
return nil
}
return br.loadDBPortal(ctx, dbPortal, &key)
}
return portal
}
func (br *WABridge) GetExistingPortalByJID(key database.PortalKey) *Portal {
ctx := context.TODO()
br.portalsLock.Lock()
defer br.portalsLock.Unlock()
portal, ok := br.portalsByJID[key]
if !ok {
dbPortal, err := br.DB.Portal.GetByJID(ctx, key)
if err != nil {
br.ZLog.Err(err).Str("key", key.String()).Msg("Failed to get portal by JID")
return nil
}
return br.loadDBPortal(ctx, dbPortal, nil)
}
return portal
}
func (br *WABridge) GetAllPortals() []*Portal {
return br.dbPortalsToPortals(br.DB.Portal.GetAll(context.TODO()))
}
func (br *WABridge) GetAllIPortals() (iportals []bridge.Portal) {
portals := br.GetAllPortals()
iportals = make([]bridge.Portal, len(portals))
for i, portal := range portals {
iportals[i] = portal
}
return iportals
}
func (br *WABridge) GetAllPortalsByJID(jid types.JID) []*Portal {
return br.dbPortalsToPortals(br.DB.Portal.GetAllByJID(context.TODO(), jid))
}
func (br *WABridge) GetAllByParentGroup(jid types.JID) []*Portal {
return br.dbPortalsToPortals(br.DB.Portal.GetAllByParentGroup(context.TODO(), jid))
}
func (br *WABridge) dbPortalsToPortals(dbPortals []*database.Portal, err error) []*Portal {
if err != nil {
br.ZLog.Err(err).Msg("Failed to get portals")
return nil
}
br.portalsLock.Lock()
defer br.portalsLock.Unlock()
output := make([]*Portal, len(dbPortals))
for index, dbPortal := range dbPortals {
if dbPortal == nil {
continue
}
portal, ok := br.portalsByJID[dbPortal.Key]
if !ok {
portal = br.loadDBPortal(context.TODO(), dbPortal, nil)
}
output[index] = portal
}
return output
}
func (br *WABridge) loadDBPortal(ctx context.Context, dbPortal *database.Portal, key *database.PortalKey) *Portal {
if dbPortal == nil {
if key == nil {
return nil
}
dbPortal = br.DB.Portal.New()
dbPortal.Key = *key
err := dbPortal.Insert(ctx)
if err != nil {
br.ZLog.Err(err).Str("key", key.String()).Msg("Failed to insert new portal")
return nil
}
}
portal := br.NewPortal(dbPortal)
br.portalsByJID[portal.Key] = portal
if len(portal.MXID) > 0 {
br.portalsByMXID[portal.MXID] = portal
}
return portal
}
func (portal *Portal) GetUsers() []*User {
// TODO what's this for?
return nil
}
func (br *WABridge) NewManualPortal(key database.PortalKey) *Portal {
dbPortal := br.DB.Portal.New()
dbPortal.Key = key
return br.NewPortal(dbPortal)
}
func (br *WABridge) NewPortal(dbPortal *database.Portal) *Portal {
portal := &Portal{
Portal: dbPortal,
bridge: br,
events: make(chan *PortalEvent, br.Config.Bridge.PortalMessageBuffer),
mediaErrorCache: make(map[types.MessageID]*FailedMediaMeta),
}
portal.updateLogger()
go portal.handleMessageLoop()
return portal
}
func (portal *Portal) updateLogger() {
logWith := portal.bridge.ZLog.With().Stringer("portal_key", portal.Key)
if portal.MXID != "" {
logWith = logWith.Stringer("room_id", portal.MXID)
}
portal.zlog = logWith.Logger()
}
const recentlyHandledLength = 100
type fakeMessage struct {
Sender types.JID
Text string
ID string
Time time.Time
Important bool
}
type PortalEvent struct {
Message *PortalMessage
MatrixMessage *PortalMatrixMessage
}
type PortalMessage struct {
evt *events.Message
undecryptable *events.UndecryptableMessage
receipt *events.Receipt
fake *fakeMessage
source *User
}
type PortalMatrixMessage struct {
evt *event.Event
user *User
receivedAt time.Time
}
type recentlyHandledWrapper struct {
id types.MessageID
err database.MessageErrorType
}
type Portal struct {
*database.Portal
bridge *WABridge
zlog zerolog.Logger
roomCreateLock sync.Mutex
encryptLock sync.Mutex
backfillLock sync.Mutex
avatarLock sync.Mutex
latestEventBackfillLock sync.Mutex
parentGroupUpdateLock sync.Mutex
recentlyHandled [recentlyHandledLength]recentlyHandledWrapper
recentlyHandledLock sync.Mutex
recentlyHandledIndex uint8
currentlyTyping []id.UserID
currentlyTypingLock sync.Mutex
events chan *PortalEvent
mediaErrorCache map[types.MessageID]*FailedMediaMeta
galleryCache []*event.MessageEventContent
galleryCacheRootEvent id.EventID
galleryCacheStart time.Time
galleryCacheReplyTo *ReplyInfo
galleryCacheSender types.JID
currentlySleepingToDelete sync.Map
relayUser *User
parentPortal *Portal
}
const GalleryMaxTime = 10 * time.Minute
func (portal *Portal) stopGallery() {
if portal.galleryCache != nil {
portal.galleryCache = nil
portal.galleryCacheSender = types.EmptyJID
portal.galleryCacheReplyTo = nil
portal.galleryCacheStart = time.Time{}
portal.galleryCacheRootEvent = ""
}
}
func (portal *Portal) startGallery(evt *events.Message, msg *ConvertedMessage) {
portal.galleryCache = []*event.MessageEventContent{msg.Content}
portal.galleryCacheSender = evt.Info.Sender.ToNonAD()
portal.galleryCacheReplyTo = msg.ReplyTo
portal.galleryCacheStart = time.Now()
}
func (portal *Portal) extendGallery(msg *ConvertedMessage) int {
portal.galleryCache = append(portal.galleryCache, msg.Content)
msg.Content = &event.MessageEventContent{
MsgType: event.MsgBeeperGallery,
Body: "Sent a gallery",
BeeperGalleryImages: portal.galleryCache,
}
msg.Content.SetEdit(portal.galleryCacheRootEvent)
// Don't set the gallery images in the edit fallback
msg.Content.BeeperGalleryImages = nil
return len(portal.galleryCache) - 1
}
var (
_ bridge.Portal = (*Portal)(nil)
_ bridge.ReadReceiptHandlingPortal = (*Portal)(nil)
_ bridge.MembershipHandlingPortal = (*Portal)(nil)
_ bridge.MetaHandlingPortal = (*Portal)(nil)
_ bridge.TypingPortal = (*Portal)(nil)
)
func (portal *Portal) handleWhatsAppMessageLoopItem(msg *PortalMessage) {
log := portal.zlog.With().
Str("action", "handle whatsapp event").
Stringer("source_user_jid", msg.source.JID).
Stringer("source_user_mxid", msg.source.MXID).
Logger()
ctx := log.WithContext(context.TODO())
if len(portal.MXID) == 0 {
if msg.fake == nil && msg.undecryptable == nil && (msg.evt == nil || !containsSupportedMessage(msg.evt.Message)) {
log.Debug().Msg("Not creating portal room for incoming message: message is not a chat message")
return
}
log.Debug().Msg("Creating Matrix room from incoming message")
err := portal.CreateMatrixRoom(ctx, msg.source, nil, nil, false, true)
if err != nil {
log.Err(err).Msg("Failed to create portal room")
return
}
}
portal.latestEventBackfillLock.Lock()
defer portal.latestEventBackfillLock.Unlock()
switch {
case msg.evt != nil:
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.
Str("message_id", msg.evt.Info.ID).
Stringer("message_sender", msg.evt.Info.Sender)
})
portal.handleMessage(ctx, msg.source, msg.evt, false)
case msg.receipt != nil:
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Str("receipt_type", msg.receipt.Type.GoString())
})
portal.handleReceipt(ctx, msg.receipt, msg.source)
case msg.undecryptable != nil:
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.
Str("message_id", msg.undecryptable.Info.ID).
Stringer("message_sender", msg.undecryptable.Info.Sender).
Bool("undecryptable", true)
})
portal.stopGallery()
portal.handleUndecryptableMessage(ctx, msg.source, msg.undecryptable)
case msg.fake != nil:
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.
Str("fake_message_id", msg.fake.ID).
Stringer("message_sender", msg.fake.Sender)
})
portal.stopGallery()
msg.fake.ID = "FAKE::" + msg.fake.ID
portal.handleFakeMessage(ctx, *msg.fake)
default:
log.Warn().Any("event_data", msg).Msg("Unexpected PortalMessage with no message")
}
}
func (portal *Portal) handleMatrixMessageLoopItem(msg *PortalMatrixMessage) {
log := portal.zlog.With().
Str("action", "handle matrix event").
Stringer("event_id", msg.evt.ID).
Str("event_type", msg.evt.Type.Type).
Stringer("sender", msg.evt.Sender).
Logger()
ctx := log.WithContext(context.TODO())
portal.latestEventBackfillLock.Lock()
defer portal.latestEventBackfillLock.Unlock()
evtTS := time.UnixMilli(msg.evt.Timestamp)
timings := messageTimings{
initReceive: msg.evt.Mautrix.ReceivedAt.Sub(evtTS),
decrypt: msg.evt.Mautrix.DecryptionDuration,
portalQueue: time.Since(msg.receivedAt),
totalReceive: time.Since(evtTS),
}
implicitRRStart := time.Now()
portal.handleMatrixReadReceipt(ctx, msg.user, "", evtTS, false)
timings.implicitRR = time.Since(implicitRRStart)
switch msg.evt.Type {
case event.EventMessage, event.EventSticker, TypeMSC3381V2PollResponse, TypeMSC3381PollResponse, TypeMSC3381PollStart:
portal.HandleMatrixMessage(ctx, msg.user, msg.evt, timings)
case event.EventRedaction:
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Stringer("redaction_target_mxid", msg.evt.Redacts)
})
portal.HandleMatrixRedaction(ctx, msg.user, msg.evt)
case event.EventReaction:
portal.HandleMatrixReaction(ctx, msg.user, msg.evt)
default:
log.Warn().Msg("Unsupported event type in portal message channel")
}
}
func (portal *Portal) handleDeliveryReceipt(ctx context.Context, receipt *events.Receipt, source *User) {
if !portal.IsPrivateChat() {
return
}
log := zerolog.Ctx(ctx)
for _, msgID := range receipt.MessageIDs {
msg, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, msgID)
if err != nil {
log.Err(err).Str("message_id", msgID).Msg("Failed to get receipt target message")
continue
} else if msg == nil || msg.IsFakeMXID() {
continue
}
if msg.Sender == source.JID {
portal.bridge.SendRawMessageCheckpoint(&status.MessageCheckpoint{
EventID: msg.MXID,
RoomID: portal.MXID,
Step: status.MsgStepRemote,
Timestamp: jsontime.UM(receipt.Timestamp),
Status: status.MsgStatusDelivered,
ReportedBy: status.MsgReportedByBridge,
})
portal.sendStatusEvent(ctx, msg.MXID, "", nil, &[]id.UserID{portal.MainIntent().UserID})
}
}
}
func (portal *Portal) handleReceipt(ctx context.Context, receipt *events.Receipt, source *User) {
if receipt.Sender.Server != types.DefaultUserServer {
// TODO handle lids
return
}
if receipt.Type == types.ReceiptTypeDelivered {
portal.handleDeliveryReceipt(ctx, receipt, source)
return
}
// The order of the message ID array depends on the sender's platform, so we just have to find
// the last message based on timestamp. Also, timestamps only have second precision, so if
// there are many messages at the same second just mark them all as read, because we don't
// know which one is last
markAsRead := make([]*database.Message, 0, 1)
var bestTimestamp time.Time
log := zerolog.Ctx(ctx)
for _, msgID := range receipt.MessageIDs {
msg, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, msgID)
if err != nil {
log.Err(err).Str("message_id", msgID).Msg("Failed to get receipt target message")
} else if msg == nil || msg.IsFakeMXID() {
continue
}
if msg.Timestamp.After(bestTimestamp) {
bestTimestamp = msg.Timestamp
markAsRead = append(markAsRead[:0], msg)
} else if msg != nil && msg.Timestamp.Equal(bestTimestamp) {
markAsRead = append(markAsRead, msg)
}
}
if receipt.Sender.User == source.JID.User {
if len(markAsRead) > 0 {
source.SetLastReadTS(ctx, portal.Key, markAsRead[0].Timestamp)
} else {
source.SetLastReadTS(ctx, portal.Key, receipt.Timestamp)
}
}
intent := portal.bridge.GetPuppetByJID(receipt.Sender).IntentFor(portal)
for _, msg := range markAsRead {
err := intent.SetReadMarkers(ctx, portal.MXID, source.makeReadMarkerContent(msg.MXID, intent.IsCustomPuppet))
if err != nil {
log.Err(err).
Stringer("message_mxid", msg.MXID).
Stringer("read_by_user_mxid", intent.UserID).
Msg("Failed to mark message as read")
} else {
log.Debug().
Stringer("message_mxid", msg.MXID).
Stringer("read_by_user_mxid", intent.UserID).
Msg("Marked message as read")
}
}
}
func (portal *Portal) handleMessageLoop() {
for {
portal.handleOneMessageLoopItem()
}
}
func (portal *Portal) handleOneMessageLoopItem() {
defer func() {
if err := recover(); err != nil {
logEvt := portal.zlog.WithLevel(zerolog.FatalLevel).
Str(zerolog.ErrorStackFieldName, string(debug.Stack()))
actualErr, ok := err.(error)
if ok {
logEvt = logEvt.Err(actualErr)
} else {
logEvt = logEvt.Any(zerolog.ErrorFieldName, err)
}
logEvt.Msg("Portal message handler panicked")
}
}()
select {
case msg := <-portal.events:
if msg.Message != nil {
portal.handleWhatsAppMessageLoopItem(msg.Message)
} else if msg.MatrixMessage != nil {
portal.handleMatrixMessageLoopItem(msg.MatrixMessage)
} else {
portal.zlog.Warn().Msg("Unexpected PortalEvent with no data")
}
}
}
func containsSupportedMessage(waMsg *waProto.Message) bool {
if waMsg == nil {
return false
}
return waMsg.Conversation != nil || waMsg.ExtendedTextMessage != nil || waMsg.ImageMessage != nil ||
waMsg.StickerMessage != nil || waMsg.AudioMessage != nil || waMsg.VideoMessage != nil || waMsg.PtvMessage != nil ||
waMsg.DocumentMessage != nil || waMsg.ContactMessage != nil || waMsg.LocationMessage != nil ||
waMsg.LiveLocationMessage != nil || waMsg.GroupInviteMessage != nil || waMsg.ContactsArrayMessage != nil ||
waMsg.HighlyStructuredMessage != nil || waMsg.TemplateMessage != nil || waMsg.TemplateButtonReplyMessage != nil ||
waMsg.ListMessage != nil || waMsg.ListResponseMessage != nil || waMsg.PollCreationMessage != nil || waMsg.PollCreationMessageV2 != nil
}
func getMessageType(waMsg *waProto.Message) string {
switch {
case waMsg == nil:
return "ignore"
case waMsg.Conversation != nil, waMsg.ExtendedTextMessage != nil:
return "text"
case waMsg.ImageMessage != nil:
return fmt.Sprintf("image %s", waMsg.GetImageMessage().GetMimetype())
case waMsg.StickerMessage != nil:
return fmt.Sprintf("sticker %s", waMsg.GetStickerMessage().GetMimetype())
case waMsg.VideoMessage != nil:
return fmt.Sprintf("video %s", waMsg.GetVideoMessage().GetMimetype())
case waMsg.PtvMessage != nil:
return fmt.Sprintf("round video %s", waMsg.GetPtvMessage().GetMimetype())
case waMsg.AudioMessage != nil:
return fmt.Sprintf("audio %s", waMsg.GetAudioMessage().GetMimetype())
case waMsg.DocumentMessage != nil:
return fmt.Sprintf("document %s", waMsg.GetDocumentMessage().GetMimetype())
case waMsg.ContactMessage != nil:
return "contact"
case waMsg.ContactsArrayMessage != nil:
return "contact array"
case waMsg.LocationMessage != nil:
return "location"
case waMsg.LiveLocationMessage != nil:
return "live location start"
case waMsg.GroupInviteMessage != nil:
return "group invite"
case waMsg.ReactionMessage != nil:
return "reaction"
case waMsg.EncReactionMessage != nil:
return "encrypted reaction"
case waMsg.PollCreationMessage != nil || waMsg.PollCreationMessageV2 != nil || waMsg.PollCreationMessageV3 != nil:
return "poll create"
case waMsg.PollUpdateMessage != nil:
return "poll update"
case waMsg.ProtocolMessage != nil:
switch waMsg.GetProtocolMessage().GetType() {
case waProto.ProtocolMessage_REVOKE:
if waMsg.GetProtocolMessage().GetKey() == nil {
return "ignore"
}
return "revoke"
case waProto.ProtocolMessage_MESSAGE_EDIT:
return "edit"
case waProto.ProtocolMessage_EPHEMERAL_SETTING:
return "disappearing timer change"
case waProto.ProtocolMessage_APP_STATE_SYNC_KEY_SHARE, waProto.ProtocolMessage_HISTORY_SYNC_NOTIFICATION, waProto.ProtocolMessage_INITIAL_SECURITY_NOTIFICATION_SETTING_SYNC:
return "ignore"
default:
return fmt.Sprintf("unknown_protocol_%d", waMsg.GetProtocolMessage().GetType())
}
case waMsg.ButtonsMessage != nil:
return "buttons"
case waMsg.ButtonsResponseMessage != nil:
return "buttons response"
case waMsg.TemplateMessage != nil:
return "template"
case waMsg.HighlyStructuredMessage != nil:
return "highly structured template"
case waMsg.TemplateButtonReplyMessage != nil:
return "template button reply"
case waMsg.InteractiveMessage != nil:
return "interactive"
case waMsg.ListMessage != nil:
return "list"
case waMsg.ProductMessage != nil:
return "product"
case waMsg.ListResponseMessage != nil:
return "list response"
case waMsg.OrderMessage != nil:
return "order"
case waMsg.InvoiceMessage != nil:
return "invoice"
case waMsg.SendPaymentMessage != nil, waMsg.RequestPaymentMessage != nil,
waMsg.DeclinePaymentRequestMessage != nil, waMsg.CancelPaymentRequestMessage != nil,
waMsg.PaymentInviteMessage != nil:
return "payment"
case waMsg.Call != nil:
return "call"
case waMsg.Chat != nil:
return "chat"
case waMsg.SenderKeyDistributionMessage != nil, waMsg.StickerSyncRmrMessage != nil:
return "ignore"
default:
return "unknown"
}
}
func pluralUnit(val int, name string) string {
if val == 1 {
return fmt.Sprintf("%d %s", val, name)
} else if val == 0 {
return ""
}
return fmt.Sprintf("%d %ss", val, name)
}
func naturalJoin(parts []string) string {
if len(parts) == 0 {
return ""
} else if len(parts) == 1 {
return parts[0]
} else if len(parts) == 2 {
return fmt.Sprintf("%s and %s", parts[0], parts[1])
} else {
return fmt.Sprintf("%s and %s", strings.Join(parts[:len(parts)-1], ", "), parts[len(parts)-1])
}
}
func formatDuration(d time.Duration) string {
const Day = time.Hour * 24
var days, hours, minutes, seconds int
days, d = int(d/Day), d%Day
hours, d = int(d/time.Hour), d%time.Hour
minutes, d = int(d/time.Minute), d%time.Minute
seconds = int(d / time.Second)
parts := make([]string, 0, 4)
if days > 0 {
parts = append(parts, pluralUnit(days, "day"))
}
if hours > 0 {
parts = append(parts, pluralUnit(hours, "hour"))
}
if minutes > 0 {
parts = append(parts, pluralUnit(seconds, "minute"))
}
if seconds > 0 {
parts = append(parts, pluralUnit(seconds, "second"))
}
return naturalJoin(parts)
}
func (portal *Portal) convertMessage(ctx context.Context, intent *appservice.IntentAPI, source *User, info *types.MessageInfo, waMsg *waProto.Message, isBackfill bool) *ConvertedMessage {
switch {
case waMsg.Conversation != nil || waMsg.ExtendedTextMessage != nil:
return portal.convertTextMessage(ctx, intent, source, waMsg)
case waMsg.TemplateMessage != nil:
return portal.convertTemplateMessage(ctx, intent, source, info, waMsg.GetTemplateMessage())
case waMsg.HighlyStructuredMessage != nil:
return portal.convertTemplateMessage(ctx, intent, source, info, waMsg.GetHighlyStructuredMessage().GetHydratedHsm())
case waMsg.TemplateButtonReplyMessage != nil:
return portal.convertTemplateButtonReplyMessage(ctx, intent, waMsg.GetTemplateButtonReplyMessage())
case waMsg.ListMessage != nil:
return portal.convertListMessage(ctx, intent, source, waMsg.GetListMessage())
case waMsg.ListResponseMessage != nil:
return portal.convertListResponseMessage(ctx, intent, waMsg.GetListResponseMessage())
case waMsg.PollCreationMessage != nil:
return portal.convertPollCreationMessage(ctx, intent, waMsg.GetPollCreationMessage())
case waMsg.PollCreationMessageV2 != nil:
return portal.convertPollCreationMessage(ctx, intent, waMsg.GetPollCreationMessageV2())
case waMsg.PollCreationMessageV3 != nil:
return portal.convertPollCreationMessage(ctx, intent, waMsg.GetPollCreationMessageV3())
case waMsg.PollUpdateMessage != nil:
return portal.convertPollUpdateMessage(ctx, intent, source, info, waMsg.GetPollUpdateMessage())
case waMsg.ImageMessage != nil:
return portal.convertMediaMessage(ctx, intent, source, info, waMsg.GetImageMessage(), "photo", isBackfill)
case waMsg.StickerMessage != nil:
return portal.convertMediaMessage(ctx, intent, source, info, waMsg.GetStickerMessage(), "sticker", isBackfill)
case waMsg.VideoMessage != nil:
return portal.convertMediaMessage(ctx, intent, source, info, waMsg.GetVideoMessage(), "video attachment", isBackfill)
case waMsg.PtvMessage != nil:
return portal.convertMediaMessage(ctx, intent, source, info, waMsg.GetPtvMessage(), "video message", isBackfill)
case waMsg.AudioMessage != nil:
typeName := "audio attachment"
if waMsg.GetAudioMessage().GetPtt() {
typeName = "voice message"
}
return portal.convertMediaMessage(ctx, intent, source, info, waMsg.GetAudioMessage(), typeName, isBackfill)
case waMsg.DocumentMessage != nil:
return portal.convertMediaMessage(ctx, intent, source, info, waMsg.GetDocumentMessage(), "file attachment", isBackfill)
case waMsg.ContactMessage != nil:
return portal.convertContactMessage(ctx, intent, waMsg.GetContactMessage())
case waMsg.ContactsArrayMessage != nil:
return portal.convertContactsArrayMessage(ctx, intent, waMsg.GetContactsArrayMessage())
case waMsg.LocationMessage != nil:
return portal.convertLocationMessage(ctx, intent, waMsg.GetLocationMessage())
case waMsg.LiveLocationMessage != nil:
return portal.convertLiveLocationMessage(ctx, intent, waMsg.GetLiveLocationMessage())
case waMsg.GroupInviteMessage != nil:
return portal.convertGroupInviteMessage(ctx, intent, info, waMsg.GetGroupInviteMessage())
case waMsg.ProtocolMessage != nil && waMsg.ProtocolMessage.GetType() == waProto.ProtocolMessage_EPHEMERAL_SETTING:
portal.ExpirationTime = waMsg.ProtocolMessage.GetEphemeralExpiration()
err := portal.Update(ctx)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to save portal after updating expiration timer")
}
return &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: &event.MessageEventContent{
Body: portal.formatDisappearingMessageNotice(),
MsgType: event.MsgNotice,
},
}
default:
return nil
}
}
func (portal *Portal) implicitlyEnableDisappearingMessages(ctx context.Context, timer time.Duration) {
portal.ExpirationTime = uint32(timer.Seconds())
err := portal.Update(ctx)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to save portal after implicitly enabling disappearing timer")
}
intent := portal.MainIntent()
if portal.Encrypted {
intent = portal.bridge.Bot
}
duration := formatDuration(time.Duration(portal.ExpirationTime) * time.Second)
_, err = portal.sendMessage(ctx, intent, event.EventMessage, &event.MessageEventContent{
MsgType: event.MsgNotice,
Body: fmt.Sprintf("Automatically enabled disappearing message timer (%s) because incoming message is disappearing", duration),
}, nil, 0)
if err != nil {
zerolog.Ctx(ctx).Warn().Err(err).Msg("Failed to send notice about implicit disappearing timer")
}
}
func (portal *Portal) UpdateGroupDisappearingMessages(ctx context.Context, sender *types.JID, timestamp time.Time, timer uint32) {
if portal.ExpirationTime == timer {
return
}
portal.ExpirationTime = timer
err := portal.Update(ctx)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to save portal after updating expiration timer")
}
intent := portal.MainIntent()
if sender != nil && sender.Server == types.DefaultUserServer {
intent = portal.bridge.GetPuppetByJID(sender.ToNonAD()).IntentFor(portal)
} else {
sender = &types.EmptyJID
}
_, err = portal.sendMessage(ctx, intent, event.EventMessage, &event.MessageEventContent{
Body: portal.formatDisappearingMessageNotice(),
MsgType: event.MsgNotice,
}, nil, timestamp.UnixMilli())
if err != nil {
zerolog.Ctx(ctx).Warn().Err(err).
Uint32("new_timer", timer).
Stringer("sender_jid", sender).
Msg("Failed to notify portal about disappearing message timer change")
}
}
func (portal *Portal) formatDisappearingMessageNotice() string {
if portal.ExpirationTime == 0 {
return "Turned off disappearing messages"
}
return fmt.Sprintf("Set the disappearing message timer to %s", formatDuration(time.Duration(portal.ExpirationTime)*time.Second))
}
const UndecryptableMessageNotice = "Decrypting message from WhatsApp failed, waiting for sender to re-send... " +
"([learn more](https://faq.whatsapp.com/general/security-and-privacy/seeing-waiting-for-this-message-this-may-take-a-while))"
var undecryptableMessageContent event.MessageEventContent
func init() {
undecryptableMessageContent = format.RenderMarkdown(UndecryptableMessageNotice, true, false)
undecryptableMessageContent.MsgType = event.MsgNotice
}
func (portal *Portal) handleUndecryptableMessage(ctx context.Context, source *User, evt *events.UndecryptableMessage) {
log := zerolog.Ctx(ctx)
if len(portal.MXID) == 0 {
log.Warn().Msg("handleUndecryptableMessage called even though portal.MXID is empty")
return
} else if portal.isRecentlyHandled(evt.Info.ID, database.MsgErrDecryptionFailed) {
log.Debug().Msg("Not handling recently handled message")
return
} else if existingMsg, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, evt.Info.ID); err != nil {
log.Err(err).Msg("Failed to get message from database to check if undecryptable message is duplicate")
return
} else if existingMsg != nil {
log.Debug().Msg("Not handling duplicate message")
return
}
metricType := "error"
if evt.IsUnavailable {
metricType = "unavailable"
}
Analytics.Track(source.MXID, "WhatsApp undecryptable message", map[string]interface{}{
"messageID": evt.Info.ID,
"undecryptableType": metricType,
})
intent := portal.getMessageIntent(ctx, source, &evt.Info)
if intent == nil {
return
}
content := undecryptableMessageContent
resp, err := portal.sendMessage(ctx, intent, event.EventMessage, &content, nil, evt.Info.Timestamp.UnixMilli())
if err != nil {
log.Err(err).Msg("Failed to send WhatsApp decryption error message to Matrix")
return
}
portal.finishHandling(ctx, nil, &evt.Info, resp.EventID, intent.UserID, database.MsgUnknown, 0, database.MsgErrDecryptionFailed)
}
func (portal *Portal) handleFakeMessage(ctx context.Context, msg fakeMessage) {
log := zerolog.Ctx(ctx)
if portal.isRecentlyHandled(msg.ID, database.MsgNoError) {
log.Debug().Msg("Not handling recently handled message")
return
} else if existingMsg, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, msg.ID); err != nil {
log.Err(err).Msg("Failed to get message from database to check if fake message is duplicate")
return
} else if existingMsg != nil {
log.Debug().Msg("Not handling duplicate message")
return
}
if msg.Sender.Server != types.DefaultUserServer {
log.Debug().Msg("Not handling message from @lid user")
// TODO handle lids
return
}
intent := portal.bridge.GetPuppetByJID(msg.Sender).IntentFor(portal)
if !intent.IsCustomPuppet && portal.IsPrivateChat() && msg.Sender.User == portal.Key.Receiver.User && portal.Key.Receiver != portal.Key.JID {
log.Debug().Msg("Not handling fake message for user who doesn't have double puppeting enabled")
return
}
msgType := event.MsgNotice
if msg.Important {
msgType = event.MsgText
}
resp, err := portal.sendMessage(ctx, intent, event.EventMessage, &event.MessageEventContent{
MsgType: msgType,
Body: msg.Text,
}, nil, msg.Time.UnixMilli())
if err != nil {
log.Err(err).Msg("Failed to send fake message to Matrix")
} else {
portal.finishHandling(ctx, nil, &types.MessageInfo{
ID: msg.ID,
Timestamp: msg.Time,
MessageSource: types.MessageSource{
Sender: msg.Sender,
},
}, resp.EventID, intent.UserID, database.MsgFake, 0, database.MsgNoError)
}
}
func (portal *Portal) handleMessage(ctx context.Context, source *User, evt *events.Message, historical bool) {
log := zerolog.Ctx(ctx)
if len(portal.MXID) == 0 {
log.Warn().Msg("handleMessage called even though portal.MXID is empty")
return
}
msgID := evt.Info.ID
msgType := getMessageType(evt.Message)
if msgType == "ignore" {
return
} else if portal.isRecentlyHandled(msgID, database.MsgNoError) {
log.Debug().Msg("Not handling recently handled message")
return
}
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Str("wa_message_type", msgType)
})
existingMsg, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, msgID)
if err != nil {
log.Err(err).Msg("Failed to get message from database to check if message is duplicate")
return
}
if existingMsg != nil {
if existingMsg.Error == database.MsgErrDecryptionFailed {
resolveType := "sender"
if evt.UnavailableRequestID != "" {
resolveType = "phone"
}
Analytics.Track(source.MXID, "WhatsApp undecryptable message resolved", map[string]interface{}{
"messageID": evt.Info.ID,
"resolveType": resolveType,
})
log.Debug().Str("resolved_via", resolveType).Msg("Got decryptable version of previously undecryptable message")
} else {
log.Debug().Msg("Not handling duplicate message")
return
}
}
var editTargetMsg *database.Message
if msgType == "edit" {
editTargetID := evt.Message.GetProtocolMessage().GetKey().GetId()
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Str("edit_target_id", editTargetID)
})
editTargetMsg, err = portal.bridge.DB.Message.GetByJID(ctx, portal.Key, editTargetID)
if err != nil {
log.Err(err).Msg("Failed to get edit target message from database")
return
} else if editTargetMsg == nil {
log.Warn().Msg("Not handling edit: couldn't find edit target")
return
} else if editTargetMsg.Type != database.MsgNormal {
log.Warn().Str("edit_target_db_type", string(editTargetMsg.Type)).
Msg("Not handling edit: edit target is not a normal message")
return
} else if editTargetMsg.Sender.User != evt.Info.Sender.User {
log.Warn().Stringer("edit_target_sender", editTargetMsg.Sender).
Msg("Not handling edit: edit was sent by another user")
return
}
evt.Message = evt.Message.GetProtocolMessage().GetEditedMessage()
}
intent := portal.getMessageIntent(ctx, source, &evt.Info)
if intent == nil {
return
}
converted := portal.convertMessage(ctx, intent, source, &evt.Info, evt.Message, false)
if converted != nil {
isGalleriable := portal.bridge.Config.Bridge.BeeperGalleries &&
(evt.Message.ImageMessage != nil || evt.Message.VideoMessage != nil) &&
(portal.galleryCache == nil ||
(evt.Info.Sender.ToNonAD() == portal.galleryCacheSender &&
converted.ReplyTo.Equals(portal.galleryCacheReplyTo) &&
time.Since(portal.galleryCacheStart) < GalleryMaxTime)) &&
// Captions aren't allowed in galleries (this needs to be checked before the caption is merged)
converted.Caption == nil &&
// Images can't be edited
editTargetMsg == nil
if !historical && portal.IsPrivateChat() && evt.Info.Sender.Device == 0 && converted.ExpiresIn > 0 && portal.ExpirationTime == 0 {
log.Info().
Str("timer", converted.ExpiresIn.String()).
Msg("Implicitly enabling disappearing messages as incoming message is disappearing")
portal.implicitlyEnableDisappearingMessages(ctx, converted.ExpiresIn)
}
if evt.Info.IsIncomingBroadcast() {
if converted.Extra == nil {
converted.Extra = map[string]any{}
}
converted.Extra["fi.mau.whatsapp.source_broadcast_list"] = evt.Info.Chat.String()
}
if portal.bridge.Config.Bridge.CaptionInMessage {
converted.MergeCaption()
}
var eventID id.EventID
var lastEventID id.EventID
if existingMsg != nil {
portal.MarkDisappearing(ctx, existingMsg.MXID, converted.ExpiresIn, evt.Info.Timestamp)
converted.Content.SetEdit(existingMsg.MXID)
} else if converted.ReplyTo != nil {
portal.SetReply(ctx, converted.Content, converted.ReplyTo, false)
}
dbMsgType := database.MsgNormal
if editTargetMsg != nil {
dbMsgType = database.MsgEdit
converted.Content.SetEdit(editTargetMsg.MXID)
}
galleryStarted := false
var galleryPart int
if isGalleriable {
if portal.galleryCache == nil {
portal.startGallery(evt, converted)
galleryStarted = true
} else {
galleryPart = portal.extendGallery(converted)
dbMsgType = database.MsgBeeperGallery
}
} else if editTargetMsg == nil {
// Stop collecting a gallery (except if it's an edit)
portal.stopGallery()
}
var resp *mautrix.RespSendEvent
resp, err = portal.sendMessage(ctx, converted.Intent, converted.Type, converted.Content, converted.Extra, evt.Info.Timestamp.UnixMilli())
if err != nil {
log.Err(err).Msg("Failed to send WhatsApp message to Matrix")
} else {
if editTargetMsg == nil {
portal.MarkDisappearing(ctx, resp.EventID, converted.ExpiresIn, evt.Info.Timestamp)
}
eventID = resp.EventID
lastEventID = eventID
if galleryStarted {
portal.galleryCacheRootEvent = eventID
} else if galleryPart != 0 {
eventID = portal.galleryCacheRootEvent
}
}
// TODO figure out how to handle captions with undecryptable messages turning decryptable
if converted.Caption != nil && existingMsg == nil && editTargetMsg == nil {
resp, err = portal.sendMessage(ctx, converted.Intent, converted.Type, converted.Caption, nil, evt.Info.Timestamp.UnixMilli())
if err != nil {
log.Err(err).Msg("Failed to send caption of WhatsApp message to Matrix")
} else {
portal.MarkDisappearing(ctx, resp.EventID, converted.ExpiresIn, evt.Info.Timestamp)
lastEventID = resp.EventID
}
}
if converted.MultiEvent != nil && existingMsg == nil && editTargetMsg == nil {
for index, subEvt := range converted.MultiEvent {
resp, err = portal.sendMessage(ctx, converted.Intent, converted.Type, subEvt, nil, evt.Info.Timestamp.UnixMilli())
if err != nil {
log.Err(err).Int("part_number", index+1).Msg("Failed to send sub-event of WhatsApp message to Matrix")
} else {
portal.MarkDisappearing(ctx, resp.EventID, converted.ExpiresIn, evt.Info.Timestamp)
lastEventID = resp.EventID
}
}
}
if source.MXID == intent.UserID && portal.bridge.Config.Homeserver.Software != bridgeconfig.SoftwareHungry {
// There are some edge cases (like call notices) where previous messages aren't marked as read
// when the user sends a message from another device, so just mark the new message as read to be safe.
// Hungryserv does this automatically, so the bridge doesn't need to do it manually.
err = intent.SetReadMarkers(ctx, portal.MXID, source.makeReadMarkerContent(lastEventID, true))
if err != nil {
log.Warn().Err(err).Stringer("last_event_id", lastEventID).
Msg("Failed to mark last message as read after sending")
}
}
if len(eventID) != 0 {
portal.finishHandling(ctx, existingMsg, &evt.Info, eventID, intent.UserID, dbMsgType, galleryPart, converted.Error)
}
} else if msgType == "reaction" || msgType == "encrypted reaction" {
if evt.Message.GetEncReactionMessage() != nil {
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Str("reaction_target_id", evt.Message.GetEncReactionMessage().GetTargetMessageKey().GetId())
})
decryptedReaction, err := source.Client.DecryptReaction(evt)
if err != nil {
log.Err(err).Msg("Failed to decrypt reaction")
} else {
portal.HandleMessageReaction(ctx, intent, source, &evt.Info, decryptedReaction, existingMsg)
}
} else {
portal.HandleMessageReaction(ctx, intent, source, &evt.Info, evt.Message.GetReactionMessage(), existingMsg)
}
} else if msgType == "revoke" {
portal.HandleMessageRevoke(ctx, source, &evt.Info, evt.Message.GetProtocolMessage().GetKey())
if existingMsg != nil {
_, _ = portal.MainIntent().RedactEvent(ctx, portal.MXID, existingMsg.MXID, mautrix.ReqRedact{
Reason: "The undecryptable message was actually the deletion of another message",
})
err = existingMsg.UpdateMXID(ctx, "net.maunium.whatsapp.fake::"+existingMsg.MXID, database.MsgFake, database.MsgNoError)
if err != nil {
log.Err(err).Msg("Failed to update message in database after finding undecryptable message was a revoke message")
}
}
} else {
log.Warn().Any("event_info", evt.Info).Msg("Unhandled message")
if existingMsg != nil {
_, _ = portal.MainIntent().RedactEvent(ctx, portal.MXID, existingMsg.MXID, mautrix.ReqRedact{
Reason: "The undecryptable message contained an unsupported message type",
})
err = existingMsg.UpdateMXID(ctx, "net.maunium.whatsapp.fake::"+existingMsg.MXID, database.MsgFake, database.MsgNoError)
if err != nil {
log.Err(err).Msg("Failed to update message in database after finding undecryptable message was an unknown message")
}
}
return
}
portal.bridge.Metrics.TrackWhatsAppMessage(evt.Info.Timestamp, strings.Split(msgType, " ")[0])
}
func (portal *Portal) isRecentlyHandled(id types.MessageID, error database.MessageErrorType) bool {
start := portal.recentlyHandledIndex
lookingForMsg := recentlyHandledWrapper{id, error}
for i := start; i != start; i = (i - 1) % recentlyHandledLength {
if portal.recentlyHandled[i] == lookingForMsg {
return true
}
}
return false
}
func (portal *Portal) markHandled(ctx context.Context, msg *database.Message, info *types.MessageInfo, mxid id.EventID, senderMXID id.UserID, isSent, recent bool, msgType database.MessageType, galleryPart int, errType database.MessageErrorType) *database.Message {
if msg == nil {
msg = portal.bridge.DB.Message.New()
msg.Chat = portal.Key
msg.JID = info.ID
msg.MXID = mxid
msg.GalleryPart = galleryPart
msg.Timestamp = info.Timestamp
msg.Sender = info.Sender
msg.SenderMXID = senderMXID
msg.Sent = isSent
msg.Type = msgType
msg.Error = errType
if info.IsIncomingBroadcast() {
msg.BroadcastListJID = info.Chat
}
err := msg.Insert(ctx)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to insert message to database")
}
} else {
err := msg.UpdateMXID(ctx, mxid, msgType, errType)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to update message in database")
}
}
if recent {
portal.recentlyHandledLock.Lock()
index := portal.recentlyHandledIndex
portal.recentlyHandledIndex = (portal.recentlyHandledIndex + 1) % recentlyHandledLength
portal.recentlyHandledLock.Unlock()
portal.recentlyHandled[index] = recentlyHandledWrapper{msg.JID, errType}
}
return msg
}
func (portal *Portal) getMessagePuppet(ctx context.Context, user *User, info *types.MessageInfo) (puppet *Puppet) {
if info.IsFromMe {
return portal.bridge.GetPuppetByJID(user.JID)
} else if portal.IsPrivateChat() {
puppet = portal.bridge.GetPuppetByJID(portal.Key.JID)
} else if !info.Sender.IsEmpty() {
puppet = portal.bridge.GetPuppetByJID(info.Sender)
}
if puppet == nil {
zerolog.Ctx(ctx).Warn().Msg("Message doesn't seem to have a valid sender: puppet is nil")
return nil
}
user.EnqueuePortalResync(portal)
puppet.SyncContact(ctx, user, true, true, "handling message")
return puppet
}
func (portal *Portal) getMessageIntent(ctx context.Context, user *User, info *types.MessageInfo) *appservice.IntentAPI {
if portal.IsNewsletter() && info.Sender == info.Chat {
return portal.MainIntent()
}
puppet := portal.getMessagePuppet(ctx, user, info)
if puppet == nil {
return nil
}
intent := puppet.IntentFor(portal)
if !intent.IsCustomPuppet && portal.IsPrivateChat() && info.Sender.User == portal.Key.Receiver.User && portal.Key.Receiver != portal.Key.JID {
zerolog.Ctx(ctx).Debug().Msg("Not handling message: user doesn't have double puppeting enabled")
return nil
}
return intent
}
func (portal *Portal) finishHandling(ctx context.Context, existing *database.Message, message *types.MessageInfo, mxid id.EventID, senderMXID id.UserID, msgType database.MessageType, galleryPart int, errType database.MessageErrorType) {
portal.markHandled(ctx, existing, message, mxid, senderMXID, true, true, msgType, galleryPart, errType)
portal.sendDeliveryReceipt(ctx, mxid)
logEvt := zerolog.Ctx(ctx).Debug().
Stringer("matrix_event_id", mxid)
if errType != database.MsgNoError {
logEvt.Str("error_type", string(errType))
}
logEvt.Msg("Successfully handled WhatsApp message")
}
func (portal *Portal) kickExtraUsers(ctx context.Context, participantMap map[types.JID]bool) {
members, err := portal.MainIntent().JoinedMembers(ctx, portal.MXID)
if err != nil {
zerolog.Ctx(ctx).Warn().Err(err).Msg("Failed to get member list to kick extra users")
return
}
for member := range members.Joined {
jid, ok := portal.bridge.ParsePuppetMXID(member)
if ok {
_, shouldBePresent := participantMap[jid]
if !shouldBePresent {
_, err = portal.MainIntent().KickUser(ctx, portal.MXID, &mautrix.ReqKickUser{
UserID: member,
Reason: "User had left this WhatsApp chat",
})
if err != nil {
zerolog.Ctx(ctx).Warn().Err(err).
Stringer("user_id", member).
Msg("Failed to kick extra user from room")
}
}
}
}
}
//func (portal *Portal) SyncBroadcastRecipients(source *User, metadata *whatsapp.BroadcastListInfo) {
// participantMap := make(map[whatsapp.JID]bool)
// for _, recipient := range metadata.Recipients {
// participantMap[recipient.JID] = true
//
// puppet := portal.bridge.GetPuppetByJID(recipient.JID)
// puppet.SyncContactIfNecessary(source)
// err := puppet.DefaultIntent().EnsureJoined(portal.MXID)
// if err != nil {
// portal.log.Warnfln("Failed to make puppet of %s join %s: %v", recipient.JID, portal.MXID, err)
// }
// }
// portal.kickExtraUsers(participantMap)
//}
func (portal *Portal) syncParticipant(ctx context.Context, source *User, participant types.GroupParticipant, puppet *Puppet, user *User, wg *sync.WaitGroup) {
defer func() {
wg.Done()
if err := recover(); err != nil {
zerolog.Ctx(ctx).Error().
Bytes(zerolog.ErrorStackFieldName, debug.Stack()).
Any(zerolog.ErrorFieldName, err).
Stringer("participant_jid", participant.JID).
Msg("Syncing participant panicked")
}
}()
puppet.SyncContact(ctx, source, true, false, "group participant")
if portal.MXID != "" {
if user != nil && user != source {
portal.ensureUserInvited(ctx, user)
}
if user == nil || !puppet.IntentFor(portal).IsCustomPuppet {
err := puppet.IntentFor(portal).EnsureJoined(ctx, portal.MXID)
if err != nil {
zerolog.Ctx(ctx).Warn().Err(err).
Stringer("participant_jid", participant.JID).
Msg("Failed to make ghost user join portal")
}
}
}
}
func (portal *Portal) SyncParticipants(ctx context.Context, source *User, metadata *types.GroupInfo) ([]id.UserID, *event.PowerLevelsEventContent) {
if portal.IsNewsletter() {
return nil, nil
}
changed := false
var levels *event.PowerLevelsEventContent
var err error
if portal.MXID != "" {
levels, err = portal.MainIntent().PowerLevels(ctx, portal.MXID)
}
if levels == nil || err != nil {
levels = portal.GetBasePowerLevels()
changed = true
}
changed = portal.applyPowerLevelFixes(levels) || changed
var wg sync.WaitGroup
wg.Add(len(metadata.Participants))
participantMap := make(map[types.JID]bool)
userIDs := make([]id.UserID, 0, len(metadata.Participants))
log := zerolog.Ctx(ctx)
for _, participant := range metadata.Participants {
if participant.JID.IsEmpty() || participant.JID.Server != types.DefaultUserServer {
wg.Done()
// TODO handle lids
continue
}
log.Debug().
Stringer("participant_jid", participant.JID).
Bool("is_admin", participant.IsAdmin).
Msg("Syncing participant")
participantMap[participant.JID] = true
puppet := portal.bridge.GetPuppetByJID(participant.JID)
user := portal.bridge.GetUserByJID(participant.JID)
if portal.bridge.Config.Bridge.ParallelMemberSync {
go portal.syncParticipant(ctx, source, participant, puppet, user, &wg)
} else {
portal.syncParticipant(ctx, source, participant, puppet, user, &wg)
}
expectedLevel := 0
if participant.IsSuperAdmin {
expectedLevel = 95
} else if participant.IsAdmin {
expectedLevel = 50
}
changed = levels.EnsureUserLevel(puppet.MXID, expectedLevel) || changed
if user != nil {
userIDs = append(userIDs, user.MXID)
changed = levels.EnsureUserLevel(user.MXID, expectedLevel) || changed
}
if user == nil || puppet.CustomMXID != user.MXID {
userIDs = append(userIDs, puppet.MXID)
}
}
if portal.MXID != "" {
if changed {
_, err = portal.MainIntent().SetPowerLevels(ctx, portal.MXID, levels)
if err != nil {
log.Err(err).Msg("Failed to update power levels in room")
}
}
portal.kickExtraUsers(ctx, participantMap)
}
wg.Wait()
log.Debug().Msg("Participant sync completed")
return userIDs, levels
}
func reuploadAvatar(ctx context.Context, intent *appservice.IntentAPI, url string) (id.ContentURI, error) {
getResp, err := http.DefaultClient.Get(url)
if err != nil {
return id.ContentURI{}, fmt.Errorf("failed to download avatar: %w", err)
}
data, err := io.ReadAll(getResp.Body)
_ = getResp.Body.Close()
if err != nil {
return id.ContentURI{}, fmt.Errorf("failed to read avatar bytes: %w", err)
}
resp, err := intent.UploadBytes(ctx, data, http.DetectContentType(data))
if err != nil {
return id.ContentURI{}, fmt.Errorf("failed to upload avatar to Matrix: %w", err)
}
return resp.ContentURI, nil
}
func (user *User) reuploadAvatarDirectPath(ctx context.Context, intent *appservice.IntentAPI, directPath string) (id.ContentURI, error) {
data, err := user.Client.DownloadMediaWithPath(directPath, nil, nil, nil, 0, "", "")
if err != nil {
return id.ContentURI{}, fmt.Errorf("failed to download avatar: %w", err)
}
resp, err := intent.UploadBytes(ctx, data, http.DetectContentType(data))
if err != nil {
return id.ContentURI{}, fmt.Errorf("failed to upload avatar to Matrix: %w", err)
}
return resp.ContentURI, nil
}
func (user *User) updateAvatar(ctx context.Context, jid types.JID, isCommunity bool, avatarID *string, avatarURL *id.ContentURI, avatarSet *bool, intent *appservice.IntentAPI) bool {
currentID := ""
if *avatarSet && *avatarID != "remove" && *avatarID != "unauthorized" {
currentID = *avatarID
}
avatar, err := user.Client.GetProfilePictureInfo(jid, &whatsmeow.GetProfilePictureParams{
Preview: false,
ExistingID: currentID,
IsCommunity: isCommunity,
})
log := zerolog.Ctx(ctx)
if errors.Is(err, whatsmeow.ErrProfilePictureUnauthorized) {
if *avatarID == "" {
*avatarID = "unauthorized"
*avatarSet = false
return true
}
return false
} else if errors.Is(err, whatsmeow.ErrProfilePictureNotSet) {
avatar = &types.ProfilePictureInfo{ID: "remove"}
if avatar.ID == *avatarID && *avatarSet {
return false
}
*avatarID = avatar.ID
*avatarURL = id.ContentURI{}
return true
} else if err != nil {
log.Err(err).Msg("Failed to get avatar URL")
return false
} else if avatar == nil {
// Avatar hasn't changed
return false
}
if avatar.ID == *avatarID && *avatarSet {
return false
} else if len(avatar.URL) == 0 && len(avatar.DirectPath) == 0 {
log.Warn().Msg("Didn't get URL in response to avatar query")
return false
} else if avatar.ID != *avatarID || avatarURL.IsEmpty() {
var url id.ContentURI
if len(avatar.URL) > 0 {
url, err = reuploadAvatar(ctx, intent, avatar.URL)
if err != nil {
log.Err(err).Msg("Failed to reupload avatar")
return false
}
} else {
url, err = user.reuploadAvatarDirectPath(ctx, intent, avatar.DirectPath)
if err != nil {
log.Err(err).Msg("Failed to reupload avatar")
return false
}
}
*avatarURL = url
}
log.Debug().Str("old_avatar_id", *avatarID).Str("new_avatar_id", avatar.ID).Msg("Updated avatar")
*avatarID = avatar.ID
*avatarSet = false
return true
}
func (portal *Portal) UpdateNewsletterAvatar(ctx context.Context, user *User, meta *types.NewsletterMetadata) bool {
portal.avatarLock.Lock()
defer portal.avatarLock.Unlock()
var picID string
picture := meta.ThreadMeta.Picture
if picture == nil {
picID = meta.ThreadMeta.Preview.ID
} else {
picID = picture.ID
}
if picID == "" {
picID = "remove"
}
if portal.Avatar == picID && portal.AvatarSet {
return false
}
log := zerolog.Ctx(ctx)
if picID == "remove" {
portal.AvatarURL = id.ContentURI{}
} else if portal.Avatar != picID || portal.AvatarURL.IsEmpty() {
var err error
if picture == nil {
meta, err = user.Client.GetNewsletterInfo(portal.Key.JID)
if err != nil {
log.Err(err).Msg("Failed to fetch full res avatar info for newsletter")
return false
}
picture = meta.ThreadMeta.Picture
if picture == nil {
log.Warn().Msg("Didn't get full res avatar info for newsletter")
return false
}
picID = picture.ID
}
portal.AvatarURL, err = user.reuploadAvatarDirectPath(ctx, portal.MainIntent(), picture.DirectPath)
if err != nil {
log.Err(err).Msg("Failed to reupload newsletter avatar")
return false
}
}
portal.Avatar = picID
portal.AvatarSet = false
return portal.setRoomAvatar(ctx, true, types.EmptyJID, true)
}
func (portal *Portal) UpdateAvatar(ctx context.Context, user *User, setBy types.JID, updateInfo bool) bool {
if portal.IsNewsletter() {
return false
}
portal.avatarLock.Lock()
defer portal.avatarLock.Unlock()
changed := user.updateAvatar(ctx, portal.Key.JID, portal.IsParent, &portal.Avatar, &portal.AvatarURL, &portal.AvatarSet, portal.MainIntent())
return portal.setRoomAvatar(ctx, changed, setBy, updateInfo)
}
func (portal *Portal) setRoomAvatar(ctx context.Context, changed bool, setBy types.JID, updateInfo bool) bool {
log := zerolog.Ctx(ctx)
if !changed || portal.Avatar == "unauthorized" {
if changed || updateInfo {
err := portal.Update(ctx)
if err != nil {
log.Err(err).Msg("Failed to save portal in setRoomAvatar")
}
}
return changed
}
if len(portal.MXID) > 0 {
intent := portal.MainIntent()
if !setBy.IsEmpty() && setBy.Server == types.DefaultUserServer {
intent = portal.bridge.GetPuppetByJID(setBy).IntentFor(portal)
}
_, err := intent.SetRoomAvatar(ctx, portal.MXID, portal.AvatarURL)
if errors.Is(err, mautrix.MForbidden) && intent != portal.MainIntent() {
_, err = portal.MainIntent().SetRoomAvatar(ctx, portal.MXID, portal.AvatarURL)
}
if err != nil {
log.Err(err).Msg("Failed to set room avatar")
return true
} else {
portal.AvatarSet = true
}
}
if updateInfo {
portal.UpdateBridgeInfo(ctx)
err := portal.Update(ctx)
if err != nil {
log.Err(err).Msg("Failed to save portal in setRoomAvatar")
}
portal.updateChildRooms(ctx)
}
return true
}
func (portal *Portal) UpdateName(ctx context.Context, name string, setBy types.JID, updateInfo bool) bool {
if name == "" && portal.IsBroadcastList() {
name = UnnamedBroadcastName
}
if portal.Name == name && (portal.NameSet || len(portal.MXID) == 0 || !portal.shouldSetDMRoomMetadata()) {
return false
}
log := zerolog.Ctx(ctx)
log.Debug().Str("old_name", portal.Name).Str("new_name", name).Msg("Updating room name")
portal.Name = name
portal.NameSet = false
if updateInfo {
defer func() {
err := portal.Update(ctx)
if err != nil {
log.Err(err).Msg("Failed to save portal after updating name")
}
}()
}
if len(portal.MXID) == 0 {
return true
}
if !portal.shouldSetDMRoomMetadata() {
// TODO only do this if updateInfo?
portal.UpdateBridgeInfo(ctx)
return true
}
intent := portal.MainIntent()
if !setBy.IsEmpty() && setBy.Server == types.DefaultUserServer {
intent = portal.bridge.GetPuppetByJID(setBy).IntentFor(portal)
}
_, err := intent.SetRoomName(ctx, portal.MXID, name)
if errors.Is(err, mautrix.MForbidden) && intent != portal.MainIntent() {
_, err = portal.MainIntent().SetRoomName(ctx, portal.MXID, name)
}
if err != nil {
log.Err(err).Msg("Failed to set room name")
} else {
portal.NameSet = true
if updateInfo {
portal.UpdateBridgeInfo(ctx)
portal.updateChildRooms(ctx)
}
}
return true
}
func (portal *Portal) UpdateTopic(ctx context.Context, topic string, setBy types.JID, updateInfo bool) bool {
if portal.Topic == topic && (portal.TopicSet || len(portal.MXID) == 0) {
return false
}
log := zerolog.Ctx(ctx)
log.Debug().Str("old_topic", portal.Topic).Str("new_topic", topic).Msg("Updating topic")
portal.Topic = topic
portal.TopicSet = false
if updateInfo {
defer func() {
err := portal.Update(ctx)
if err != nil {
log.Err(err).Msg("Failed to save portal after updating topic")
}
}()
}
intent := portal.MainIntent()
if !setBy.IsEmpty() && setBy.Server == types.DefaultUserServer {
intent = portal.bridge.GetPuppetByJID(setBy).IntentFor(portal)
}
_, err := intent.SetRoomTopic(ctx, portal.MXID, topic)
if errors.Is(err, mautrix.MForbidden) && intent != portal.MainIntent() {
_, err = portal.MainIntent().SetRoomTopic(ctx, portal.MXID, topic)
}
if err != nil {
log.Err(err).Msg("Failed to set room topic")
} else {
portal.TopicSet = true
if updateInfo {
portal.UpdateBridgeInfo(ctx)
}
}
return true
}
func newsletterToGroupInfo(meta *types.NewsletterMetadata) *types.GroupInfo {
var out types.GroupInfo
out.JID = meta.ID
out.Name = meta.ThreadMeta.Name.Text
out.NameSetAt = meta.ThreadMeta.Name.UpdateTime.Time
out.Topic = meta.ThreadMeta.Description.Text
out.TopicSetAt = meta.ThreadMeta.Description.UpdateTime.Time
out.TopicID = meta.ThreadMeta.Description.ID
out.GroupCreated = meta.ThreadMeta.CreationTime.Time
out.IsAnnounce = true
out.IsLocked = true
out.IsIncognito = true
return &out
}
func (portal *Portal) UpdateParentGroup(ctx context.Context, source *User, parent types.JID, updateInfo bool) bool {
portal.parentGroupUpdateLock.Lock()
defer portal.parentGroupUpdateLock.Unlock()
if portal.ParentGroup != parent {
zerolog.Ctx(ctx).Debug().
Stringer("old_parent_group", portal.ParentGroup).
Stringer("new_parent_group", parent).
Msg("Updating parent group")
portal.updateCommunitySpace(ctx, source, false, false)
portal.ParentGroup = parent
portal.parentPortal = nil
portal.InSpace = false
portal.updateCommunitySpace(ctx, source, true, false)
if updateInfo {
portal.UpdateBridgeInfo(ctx)
err := portal.Update(ctx)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to save portal after updating parent group")
}
}
return true
} else if !portal.ParentGroup.IsEmpty() && !portal.InSpace {
return portal.updateCommunitySpace(ctx, source, true, updateInfo)
}
return false
}
func (portal *Portal) UpdateMetadata(ctx context.Context, user *User, groupInfo *types.GroupInfo, newsletterMetadata *types.NewsletterMetadata) bool {
if portal.IsPrivateChat() {
return false
} else if portal.IsStatusBroadcastList() {
update := false
update = portal.UpdateName(ctx, StatusBroadcastName, types.EmptyJID, false) || update
update = portal.UpdateTopic(ctx, StatusBroadcastTopic, types.EmptyJID, false) || update
return update
} else if portal.IsBroadcastList() {
update := false
//broadcastMetadata, err := user.Conn.GetBroadcastMetadata(portal.Key.JID)
//if err == nil && broadcastMetadata.Status == 200 {
// portal.SyncBroadcastRecipients(user, broadcastMetadata)
// update = portal.UpdateName(broadcastMetadata.Name, "", nil, false) || update
//} else {
// user.Conn.Store.ContactsLock.RLock()
// contact, _ := user.Conn.Store.Contacts[portal.Key.JID]
// user.Conn.Store.ContactsLock.RUnlock()
// update = portal.UpdateName(contact.Name, "", nil, false) || update
//}
//update = portal.UpdateTopic(BroadcastTopic, "", nil, false) || update
return update
}
if groupInfo == nil && portal.IsNewsletter() {
if newsletterMetadata == nil {
var err error
newsletterMetadata, err = user.Client.GetNewsletterInfo(portal.Key.JID)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to get newsletter info")
return false
}
}
groupInfo = newsletterToGroupInfo(newsletterMetadata)
}
if groupInfo == nil {
var err error
groupInfo, err = user.Client.GetGroupInfo(portal.Key.JID)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to get group info")
return false
}
}
portal.SyncParticipants(ctx, user, groupInfo)
update := false
update = portal.UpdateName(ctx, groupInfo.Name, groupInfo.NameSetBy, false) || update
update = portal.UpdateTopic(ctx, groupInfo.Topic, groupInfo.TopicSetBy, false) || update
update = portal.UpdateParentGroup(ctx, user, groupInfo.LinkedParentJID, false) || update
if portal.ExpirationTime != groupInfo.DisappearingTimer {
update = true
portal.ExpirationTime = groupInfo.DisappearingTimer
}
if portal.IsParent != groupInfo.IsParent {
if portal.MXID != "" {
zerolog.Ctx(ctx).Warn().Bool("new_is_parent", groupInfo.IsParent).Msg("Existing group changed is_parent status")
}
portal.IsParent = groupInfo.IsParent
update = true
}
portal.RestrictMessageSending(ctx, groupInfo.IsAnnounce)
portal.RestrictMetadataChanges(ctx, groupInfo.IsLocked)
if newsletterMetadata != nil && newsletterMetadata.ViewerMeta != nil {
portal.PromoteNewsletterUser(ctx, user, newsletterMetadata.ViewerMeta.Role)
}
return update
}
func (portal *Portal) ensureUserInvited(ctx context.Context, user *User) bool {
return user.ensureInvited(ctx, portal.MainIntent(), portal.MXID, portal.IsPrivateChat())
}
func (portal *Portal) UpdateMatrixRoom(ctx context.Context, user *User, groupInfo *types.GroupInfo, newsletterMetadata *types.NewsletterMetadata) bool {
if len(portal.MXID) == 0 {
return false
}
log := zerolog.Ctx(ctx).With().
Str("action", "update matrix room").
Str("portal_key", portal.Key.String()).
Stringer("source_mxid", user.MXID).
Logger()
ctx = log.WithContext(ctx)
log.Info().Msg("Syncing portal")
portal.ensureUserInvited(ctx, user)
go portal.addToPersonalSpace(ctx, user)
if groupInfo == nil && newsletterMetadata != nil {
groupInfo = newsletterToGroupInfo(newsletterMetadata)
}
update := false
update = portal.UpdateMetadata(ctx, user, groupInfo, newsletterMetadata) || update
if !portal.IsPrivateChat() && !portal.IsBroadcastList() && !portal.IsNewsletter() {
update = portal.UpdateAvatar(ctx, user, types.EmptyJID, false) || update
} else if newsletterMetadata != nil {
update = portal.UpdateNewsletterAvatar(ctx, user, newsletterMetadata) || update
}
if update || portal.LastSync.Add(24*time.Hour).Before(time.Now()) {
portal.LastSync = time.Now()
err := portal.Update(ctx)
if err != nil {
log.Err(err).Msg("Failed to save portal after updating")
}
portal.UpdateBridgeInfo(ctx)
portal.updateChildRooms(ctx)
}
return true
}
func (portal *Portal) GetBasePowerLevels() *event.PowerLevelsEventContent {
anyone := 0
nope := 99
invite := 50
if portal.bridge.Config.Bridge.AllowUserInvite {
invite = 0
}
return &event.PowerLevelsEventContent{
UsersDefault: anyone,
EventsDefault: anyone,
RedactPtr: &anyone,
StateDefaultPtr: &nope,
BanPtr: &nope,
InvitePtr: &invite,
Users: map[id.UserID]int{
portal.MainIntent().UserID: 100,
portal.bridge.Bot.UserID: 100,
},
Events: map[string]int{
event.StateRoomName.Type: anyone,
event.StateRoomAvatar.Type: anyone,
event.StateTopic.Type: anyone,
event.EventReaction.Type: anyone,
event.EventRedaction.Type: anyone,
TypeMSC3381PollResponse.Type: anyone,
},
}
}
func (portal *Portal) applyPowerLevelFixes(levels *event.PowerLevelsEventContent) bool {
changed := false
changed = levels.EnsureEventLevel(event.EventReaction, 0) || changed
changed = levels.EnsureEventLevel(event.EventRedaction, 0) || changed
changed = levels.EnsureEventLevel(TypeMSC3381PollResponse, 0) || changed
if portal.IsPrivateChat() {
changed = levels.EnsureUserLevel(portal.bridge.Bot.UserID, 100) || changed
}
return changed
}
func (portal *Portal) ChangeAdminStatus(ctx context.Context, jids []types.JID, setAdmin bool) id.EventID {
levels, err := portal.MainIntent().PowerLevels(ctx, portal.MXID)
if err != nil {
levels = portal.GetBasePowerLevels()
}
newLevel := 0
if setAdmin {
newLevel = 50
}
changed := portal.applyPowerLevelFixes(levels)
for _, jid := range jids {
if jid.Server != types.DefaultUserServer {
// TODO handle lids
continue
}
puppet := portal.bridge.GetPuppetByJID(jid)
changed = levels.EnsureUserLevel(puppet.MXID, newLevel) || changed
user := portal.bridge.GetUserByJID(jid)
if user != nil {
changed = levels.EnsureUserLevel(user.MXID, newLevel) || changed
}
}
if changed {
resp, err := portal.MainIntent().SetPowerLevels(ctx, portal.MXID, levels)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to set power levels")
} else {
return resp.EventID
}
}
return ""
}
func (portal *Portal) RestrictMessageSending(ctx context.Context, restrict bool) id.EventID {
levels, err := portal.MainIntent().PowerLevels(ctx, portal.MXID)
if err != nil {
levels = portal.GetBasePowerLevels()
}
newLevel := 0
if restrict {
newLevel = 50
}
changed := portal.applyPowerLevelFixes(levels)
if levels.EventsDefault == newLevel && !changed {
return ""
}
levels.EventsDefault = newLevel
resp, err := portal.MainIntent().SetPowerLevels(ctx, portal.MXID, levels)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to set power levels")
return ""
} else {
return resp.EventID
}
}
func (portal *Portal) PromoteNewsletterUser(ctx context.Context, user *User, role types.NewsletterRole) id.EventID {
levels, err := portal.MainIntent().PowerLevels(ctx, portal.MXID)
if err != nil {
levels = portal.GetBasePowerLevels()
}
newLevel := 0
switch role {
case types.NewsletterRoleAdmin:
newLevel = 50
case types.NewsletterRoleOwner:
newLevel = 95
}
changed := portal.applyPowerLevelFixes(levels)
changed = levels.EnsureUserLevel(user.MXID, newLevel) || changed
if !changed {
return ""
}
resp, err := portal.MainIntent().SetPowerLevels(ctx, portal.MXID, levels)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to set power levels")
return ""
} else {
return resp.EventID
}
}
func (portal *Portal) RestrictMetadataChanges(ctx context.Context, restrict bool) id.EventID {
levels, err := portal.MainIntent().PowerLevels(ctx, portal.MXID)
if err != nil {
levels = portal.GetBasePowerLevels()
}
newLevel := 0
if restrict {
newLevel = 50
}
changed := portal.applyPowerLevelFixes(levels)
changed = levels.EnsureEventLevel(event.StateRoomName, newLevel) || changed
changed = levels.EnsureEventLevel(event.StateRoomAvatar, newLevel) || changed
changed = levels.EnsureEventLevel(event.StateTopic, newLevel) || changed
if changed {
resp, err := portal.MainIntent().SetPowerLevels(ctx, portal.MXID, levels)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to set power levels")
} else {
return resp.EventID
}
}
return ""
}
func (portal *Portal) getBridgeInfoStateKey() string {
return fmt.Sprintf("net.maunium.whatsapp://whatsapp/%s", portal.Key.JID)
}
func (portal *Portal) getBridgeInfo() (string, event.BridgeEventContent) {
bridgeInfo := event.BridgeEventContent{
BridgeBot: portal.bridge.Bot.UserID,
Creator: portal.MainIntent().UserID,
Protocol: event.BridgeInfoSection{
ID: "whatsapp",
DisplayName: "WhatsApp",
AvatarURL: portal.bridge.Config.AppService.Bot.ParsedAvatar.CUString(),
ExternalURL: "https://www.whatsapp.com/",
},
Channel: event.BridgeInfoSection{
ID: portal.Key.JID.String(),
DisplayName: portal.Name,
AvatarURL: portal.AvatarURL.CUString(),
},
}
if parent := portal.GetParentPortal(); parent != nil {
bridgeInfo.Network = &event.BridgeInfoSection{
ID: parent.Key.JID.String(),
DisplayName: parent.Name,
AvatarURL: parent.AvatarURL.CUString(),
}
}
return portal.getBridgeInfoStateKey(), bridgeInfo
}
func (portal *Portal) UpdateBridgeInfo(ctx context.Context) {
log := zerolog.Ctx(ctx)
if len(portal.MXID) == 0 {
log.Debug().Msg("Not updating bridge info: no Matrix room created")
return
}
log.Debug().Msg("Updating bridge info...")
stateKey, content := portal.getBridgeInfo()
_, err := portal.MainIntent().SendStateEvent(ctx, portal.MXID, event.StateBridge, stateKey, content)
if err != nil {
log.Warn().Err(err).Msg("Failed to update m.bridge info")
}
// TODO remove this once https://github.com/matrix-org/matrix-doc/pull/2346 is in spec
_, err = portal.MainIntent().SendStateEvent(ctx, portal.MXID, event.StateHalfShotBridge, stateKey, content)
if err != nil {
log.Warn().Err(err).Msg("Failed to update uk.half-shot.bridge info")
}
}
func (portal *Portal) updateChildRooms(ctx context.Context) {
if !portal.IsParent {
return
}
children := portal.bridge.GetAllByParentGroup(portal.Key.JID)
for _, child := range children {
changed := child.updateCommunitySpace(ctx, nil, true, false)
// TODO set updateInfo to true instead of updating manually?
child.UpdateBridgeInfo(ctx)
if changed {
// TODO is this saving the wrong portal?
err := portal.Update(ctx)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to save portal after updating")
}
}
}
}
func (portal *Portal) shouldSetDMRoomMetadata() bool {
return !portal.IsPrivateChat() ||
portal.bridge.Config.Bridge.PrivateChatPortalMeta == "always" ||
(portal.IsEncrypted() && portal.bridge.Config.Bridge.PrivateChatPortalMeta != "never")
}
func (portal *Portal) GetEncryptionEventContent() (evt *event.EncryptionEventContent) {
evt = &event.EncryptionEventContent{Algorithm: id.AlgorithmMegolmV1}
if rot := portal.bridge.Config.Bridge.Encryption.Rotation; rot.EnableCustom {
evt.RotationPeriodMillis = rot.Milliseconds
evt.RotationPeriodMessages = rot.Messages
}
return
}
func (portal *Portal) CreateMatrixRoom(ctx context.Context, user *User, groupInfo *types.GroupInfo, newsletterMetadata *types.NewsletterMetadata, isFullInfo, backfill bool) error {
portal.roomCreateLock.Lock()
defer portal.roomCreateLock.Unlock()
if len(portal.MXID) > 0 {
return nil
}
log := zerolog.Ctx(ctx).With().
Str("action", "create matrix room").
Str("portal_key", portal.Key.String()).
Stringer("source_mxid", user.MXID).
Logger()
ctx = log.WithContext(ctx)
intent := portal.MainIntent()
if err := intent.EnsureRegistered(ctx); err != nil {
return err
}
log.Info().Msg("Creating Matrix room")
//var broadcastMetadata *types.BroadcastListInfo
if portal.IsPrivateChat() {
puppet := portal.bridge.GetPuppetByJID(portal.Key.JID)
puppet.SyncContact(ctx, user, true, false, "creating private chat portal")
portal.Name = puppet.Displayname
portal.AvatarURL = puppet.AvatarURL
portal.Avatar = puppet.Avatar
portal.Topic = PrivateChatTopic
} else if portal.IsStatusBroadcastList() {
if !portal.bridge.Config.Bridge.EnableStatusBroadcast {
log.Debug().Msg("Status bridging is disabled in config, not creating room after all")
return ErrStatusBroadcastDisabled
}
portal.Name = StatusBroadcastName
portal.Topic = StatusBroadcastTopic
} else if portal.IsBroadcastList() {
//var err error
//broadcastMetadata, err = user.Conn.GetBroadcastMetadata(portal.Key.JID)
//if err == nil && broadcastMetadata.Status == 200 {
// portal.Name = broadcastMetadata.Name
//} else {
// user.Conn.Store.ContactsLock.RLock()
// contact, _ := user.Conn.Store.Contacts[portal.Key.JID]
// user.Conn.Store.ContactsLock.RUnlock()
// portal.Name = contact.Name
//}
//if len(portal.Name) == 0 {
// portal.Name = UnnamedBroadcastName
//}
//portal.Topic = BroadcastTopic
log.Debug().Msg("Broadcast list is not yet supported, not creating room after all")
return fmt.Errorf("broadcast list bridging is currently not supported")
} else {
if portal.IsNewsletter() {
if newsletterMetadata == nil {
var err error
newsletterMetadata, err = user.Client.GetNewsletterInfo(portal.Key.JID)
if err != nil {
return err
}
}
if groupInfo == nil {
groupInfo = newsletterToGroupInfo(newsletterMetadata)
}
} else if groupInfo == nil || !isFullInfo {
foundInfo, err := user.Client.GetGroupInfo(portal.Key.JID)
// Ensure that the user is actually a participant in the conversation
// before creating the matrix room
if errors.Is(err, whatsmeow.ErrNotInGroup) {
log.Debug().Msg("Skipping creating room because the user is not a participant")
err = user.bridge.DB.BackfillQueue.DeleteAllForPortal(ctx, user.MXID, portal.Key)
if err != nil {
log.Err(err).Msg("Failed to delete backfill queue for portal")
}
err = user.bridge.DB.HistorySync.DeleteAllMessagesForPortal(ctx, user.MXID, portal.Key)
if err != nil {
log.Err(err).Msg("Failed to delete historical messages for portal")
}
return err
} else if err != nil {
log.Err(err).Msg("Failed to get group info")
} else {
groupInfo = foundInfo
isFullInfo = true
}
}
if groupInfo != nil {
portal.Name = groupInfo.Name
portal.Topic = groupInfo.Topic
portal.IsParent = groupInfo.IsParent
portal.ParentGroup = groupInfo.LinkedParentJID
if groupInfo.IsEphemeral {
portal.ExpirationTime = groupInfo.DisappearingTimer
}
}
if portal.IsNewsletter() {
portal.UpdateNewsletterAvatar(ctx, user, newsletterMetadata)
} else {
portal.UpdateAvatar(ctx, user, types.EmptyJID, false)
}
}
powerLevels := portal.GetBasePowerLevels()
if groupInfo != nil {
if groupInfo.IsAnnounce {
powerLevels.EventsDefault = 50
}
if groupInfo.IsLocked {
powerLevels.EnsureEventLevel(event.StateRoomName, 50)
powerLevels.EnsureEventLevel(event.StateRoomAvatar, 50)
powerLevels.EnsureEventLevel(event.StateTopic, 50)
}
}
if newsletterMetadata != nil && newsletterMetadata.ViewerMeta != nil {
switch newsletterMetadata.ViewerMeta.Role {
case types.NewsletterRoleAdmin:
powerLevels.EnsureUserLevel(user.MXID, 50)
case types.NewsletterRoleOwner:
powerLevels.EnsureUserLevel(user.MXID, 95)
}
}
bridgeInfoStateKey, bridgeInfo := portal.getBridgeInfo()
initialState := []*event.Event{{
Type: event.StatePowerLevels,
Content: event.Content{
Parsed: powerLevels,
},
}, {
Type: event.StateBridge,
Content: event.Content{Parsed: bridgeInfo},
StateKey: &bridgeInfoStateKey,
}, {
// TODO remove this once https://github.com/matrix-org/matrix-doc/pull/2346 is in spec
Type: event.StateHalfShotBridge,
Content: event.Content{Parsed: bridgeInfo},
StateKey: &bridgeInfoStateKey,
}}
var invite []id.UserID
if portal.bridge.Config.Bridge.Encryption.Default {
initialState = append(initialState, &event.Event{
Type: event.StateEncryption,
Content: event.Content{
Parsed: portal.GetEncryptionEventContent(),
},
})
portal.Encrypted = true
if portal.IsPrivateChat() {
invite = append(invite, portal.bridge.Bot.UserID)
}
}
if !portal.AvatarURL.IsEmpty() && portal.shouldSetDMRoomMetadata() {
initialState = append(initialState, &event.Event{
Type: event.StateRoomAvatar,
Content: event.Content{
Parsed: event.RoomAvatarEventContent{URL: portal.AvatarURL},
},
})
portal.AvatarSet = true
} else {
portal.AvatarSet = false
}
creationContent := make(map[string]interface{})
if !portal.bridge.Config.Bridge.FederateRooms {
creationContent["m.federate"] = false
}
if portal.IsParent {
creationContent["type"] = event.RoomTypeSpace
} else if parent := portal.GetParentPortal(); parent != nil && parent.MXID != "" {
initialState = append(initialState, &event.Event{
Type: event.StateSpaceParent,
StateKey: proto.String(parent.MXID.String()),
Content: event.Content{
Parsed: &event.SpaceParentEventContent{
Via: []string{portal.bridge.Config.Homeserver.Domain},
Canonical: true,
},
},
})
}
autoJoinInvites := portal.bridge.SpecVersions.Supports(mautrix.BeeperFeatureAutojoinInvites)
if autoJoinInvites {
log.Debug().Msg("Hungryserv mode: adding all group members in create request")
if groupInfo != nil && !portal.IsNewsletter() {
// TODO non-hungryserv could also include all members in invites, and then send joins manually?
participants, powerLevels := portal.SyncParticipants(ctx, user, groupInfo)
invite = append(invite, participants...)
if initialState[0].Type != event.StatePowerLevels {
panic(fmt.Errorf("unexpected type %s in first initial state event", initialState[0].Type.Type))
}
initialState[0].Content.Parsed = powerLevels
} else {
invite = append(invite, user.MXID)
}
}
req := &mautrix.ReqCreateRoom{
Visibility: "private",
Name: portal.Name,
Topic: portal.Topic,
Invite: invite,
Preset: "private_chat",
IsDirect: portal.IsPrivateChat(),
InitialState: initialState,
CreationContent: creationContent,
BeeperAutoJoinInvites: autoJoinInvites,
}
if !portal.shouldSetDMRoomMetadata() {
req.Name = ""
}
legacyBackfill := user.bridge.Config.Bridge.HistorySync.Backfill && backfill && !user.bridge.SpecVersions.Supports(mautrix.BeeperFeatureBatchSending)
var backfillStarted bool
if legacyBackfill {
portal.latestEventBackfillLock.Lock()
defer func() {
if !backfillStarted {
portal.latestEventBackfillLock.Unlock()
}
}()
}
resp, err := intent.CreateRoom(ctx, req)
if err != nil {
return err
}
log.Info().Stringer("room_id", resp.RoomID).Msg("Matrix room created")
portal.InSpace = false
portal.NameSet = len(req.Name) > 0
portal.TopicSet = len(req.Topic) > 0
portal.MXID = resp.RoomID
portal.updateLogger()
portal.bridge.portalsLock.Lock()
portal.bridge.portalsByMXID[portal.MXID] = portal
portal.bridge.portalsLock.Unlock()
err = portal.Update(ctx)
if err != nil {
log.Err(err).Msg("Failed to save portal after creating room")
}
// We set the memberships beforehand to make sure the encryption key exchange in initial backfill knows the users are here.
inviteMembership := event.MembershipInvite
if autoJoinInvites {
inviteMembership = event.MembershipJoin
}
for _, userID := range invite {
err = portal.bridge.StateStore.SetMembership(ctx, portal.MXID, userID, inviteMembership)
if err != nil {
log.Err(err).Stringer("user_id", userID).Msg("Failed to update membership in state store")
}
}
if !autoJoinInvites {
portal.ensureUserInvited(ctx, user)
}
user.syncChatDoublePuppetDetails(ctx, portal, true)
go portal.updateCommunitySpace(ctx, user, true, true)
go portal.addToPersonalSpace(ctx, user)
if !portal.IsNewsletter() && groupInfo != nil && !autoJoinInvites {
portal.SyncParticipants(ctx, user, groupInfo)
}
//if broadcastMetadata != nil {
// portal.SyncBroadcastRecipients(user, broadcastMetadata)
//}
if portal.IsPrivateChat() {
puppet := user.bridge.GetPuppetByJID(portal.Key.JID)
if portal.bridge.Config.Bridge.Encryption.Default {
err = portal.bridge.Bot.EnsureJoined(ctx, portal.MXID)
if err != nil {
log.Err(err).Msg("Failed to ensure bridge bot is joined to created portal")
}
}
user.UpdateDirectChats(ctx, map[id.UserID][]id.RoomID{puppet.MXID: {portal.MXID}})
} else if portal.IsParent {
portal.updateChildRooms(ctx)
}
if user.bridge.Config.Bridge.HistorySync.Backfill && backfill {
if legacyBackfill {
backfillStarted = true
go portal.legacyBackfill(context.WithoutCancel(ctx), user)
} else {
portals := []*Portal{portal}
user.EnqueueImmediateBackfills(ctx, portals)
user.EnqueueDeferredBackfills(ctx, portals)
user.BackfillQueue.ReCheck()
}
}
return nil
}
func (portal *Portal) addToPersonalSpace(ctx context.Context, user *User) {
spaceID := user.GetSpaceRoom(ctx)
if len(spaceID) == 0 || user.IsInSpace(ctx, portal.Key) {
return
}
_, err := portal.bridge.Bot.SendStateEvent(ctx, spaceID, event.StateSpaceChild, portal.MXID.String(), &event.SpaceChildEventContent{
Via: []string{portal.bridge.Config.Homeserver.Domain},
})
if err != nil {
zerolog.Ctx(ctx).Err(err).Stringer("space_id", spaceID).Msg("Failed to add portal to user's personal filtering space")
} else {
zerolog.Ctx(ctx).Debug().Stringer("space_id", spaceID).Msg("Added portal to user's personal filtering space")
user.MarkInSpace(ctx, portal.Key)
}
}
func (portal *Portal) removeSpaceParentEvent(space id.RoomID) {
_, err := portal.MainIntent().SendStateEvent(context.TODO(), portal.MXID, event.StateSpaceParent, space.String(), &event.SpaceParentEventContent{})
if err != nil {
portal.zlog.Err(err).Stringer("space_mxid", space).Msg("Failed to send m.space.parent event to remove portal from space")
}
}
func (portal *Portal) updateCommunitySpace(ctx context.Context, user *User, add, updateInfo bool) bool {
if add == portal.InSpace {
return false
}
// TODO if this function is changed to use the context logger, updateChildRooms should add the child portal info to the logger
log := portal.zlog.With().Stringer("room_id", portal.MXID).Logger()
space := portal.GetParentPortal()
if space == nil {
return false
} else if space.MXID == "" {
if !add || user == nil {
return false
}
log.Debug().Stringer("parent_group_jid", space.Key.JID).Msg("Creating portal for parent group")
err := space.CreateMatrixRoom(ctx, user, nil, nil, false, false)
if err != nil {
log.Err(err).Msg("Failed to create portal for parent group")
return false
}
}
var parentContent event.SpaceParentEventContent
var childContent event.SpaceChildEventContent
if add {
parentContent.Canonical = true
parentContent.Via = []string{portal.bridge.Config.Homeserver.Domain}
childContent.Via = []string{portal.bridge.Config.Homeserver.Domain}
log.Debug().
Stringer("space_mxid", space.MXID).
Stringer("parent_group_jid", space.Key.JID).
Msg("Adding room to parent group space")
} else {
log.Debug().
Stringer("space_mxid", space.MXID).
Stringer("parent_group_jid", space.Key.JID).
Msg("Removing room from parent group space")
}
_, err := space.MainIntent().SendStateEvent(ctx, space.MXID, event.StateSpaceChild, portal.MXID.String(), &childContent)
if err != nil {
log.Err(err).Stringer("space_mxid", space.MXID).Msg("Failed to send m.space.child event")
return false
}
_, err = portal.MainIntent().SendStateEvent(ctx, portal.MXID, event.StateSpaceParent, space.MXID.String(), &parentContent)
if err != nil {
log.Err(err).Stringer("space_mxid", space.MXID).Msg("Failed to send m.space.parent event")
}
portal.InSpace = add
if updateInfo {
err = portal.Update(ctx)
if err != nil {
log.Err(err).Msg("Failed to save portal after updating parent space")
}
portal.UpdateBridgeInfo(ctx)
}
return true
}
func (portal *Portal) IsPrivateChat() bool {
return portal.Key.JID.Server == types.DefaultUserServer
}
func (portal *Portal) IsGroupChat() bool {
return portal.Key.JID.Server == types.GroupServer
}
func (portal *Portal) IsBroadcastList() bool {
return portal.Key.JID.Server == types.BroadcastServer
}
func (portal *Portal) IsNewsletter() bool {
return portal.Key.JID.Server == types.NewsletterServer
}
func (portal *Portal) IsStatusBroadcastList() bool {
return portal.Key.JID == types.StatusBroadcastJID
}
func (portal *Portal) HasRelaybot() bool {
return portal.bridge.Config.Bridge.Relay.Enabled && len(portal.RelayUserID) > 0
}
func (portal *Portal) GetRelayUser() *User {
if !portal.HasRelaybot() {
return nil
} else if portal.relayUser == nil {
portal.relayUser = portal.bridge.GetUserByMXID(portal.RelayUserID)
}
return portal.relayUser
}
func (portal *Portal) GetParentPortal() *Portal {
if portal.ParentGroup.IsEmpty() {
return nil
} else if portal.parentPortal == nil {
portal.parentPortal = portal.bridge.GetPortalByJID(database.NewPortalKey(portal.ParentGroup, portal.ParentGroup))
}
return portal.parentPortal
}
func (portal *Portal) MainIntent() *appservice.IntentAPI {
if portal.IsPrivateChat() {
return portal.bridge.GetPuppetByJID(portal.Key.JID).DefaultIntent()
}
return portal.bridge.Bot
}
func (portal *Portal) addReplyMention(content *event.MessageEventContent, sender types.JID, senderMXID id.UserID) {
if content.Mentions == nil || (sender.IsEmpty() && senderMXID == "") {
return
}
// TODO handle lids
if senderMXID == "" && sender.Server == types.DefaultUserServer {
if user := portal.bridge.GetUserByJID(sender); user != nil {
senderMXID = user.MXID
} else {
puppet := portal.bridge.GetPuppetByJID(sender)
senderMXID = puppet.MXID
}
}
if senderMXID != "" && !slices.Contains(content.Mentions.UserIDs, senderMXID) {
content.Mentions.UserIDs = append(content.Mentions.UserIDs, senderMXID)
}
}
func (portal *Portal) SetReply(ctx context.Context, content *event.MessageEventContent, replyTo *ReplyInfo, isHungryBackfill bool) bool {
if replyTo == nil {
return false
}
log := zerolog.Ctx(ctx).With().
Object("reply_to", replyTo).
Str("action", "SetReply").
Logger()
key := portal.Key
targetPortal := portal
defer func() {
if content.RelatesTo != nil && content.RelatesTo.InReplyTo != nil && targetPortal != portal {
content.RelatesTo.InReplyTo.UnstableRoomID = targetPortal.MXID
}
}()
if portal.bridge.Config.Bridge.CrossRoomReplies && !replyTo.Chat.IsEmpty() && replyTo.Chat != key.JID {
if replyTo.Chat.Server == types.GroupServer {
key = database.NewPortalKey(replyTo.Chat, types.EmptyJID)
} else if replyTo.Chat == types.StatusBroadcastJID {
key = database.NewPortalKey(replyTo.Chat, key.Receiver)
}
if key != portal.Key {
targetPortal = portal.bridge.GetExistingPortalByJID(key)
if targetPortal == nil {
return false
}
}
}
message, err := portal.bridge.DB.Message.GetByJID(ctx, key, replyTo.MessageID)
if err != nil {
log.Err(err).Msg("Failed to get reply target from database")
return false
} else if message == nil || message.IsFakeMXID() {
if isHungryBackfill {
content.RelatesTo = (&event.RelatesTo{}).SetReplyTo(targetPortal.deterministicEventID(replyTo.Sender, replyTo.MessageID, ""))
portal.addReplyMention(content, replyTo.Sender, "")
return true
} else {
log.Warn().Msg("Failed to find reply target")
}
return false
}
portal.addReplyMention(content, message.Sender, message.SenderMXID)
content.RelatesTo = (&event.RelatesTo{}).SetReplyTo(message.MXID)
if portal.bridge.Config.Bridge.DisableReplyFallbacks {
return true
}
evt, err := targetPortal.MainIntent().GetEvent(ctx, targetPortal.MXID, message.MXID)
if err != nil {
log.Warn().Err(err).Msg("Failed to get reply target event")
return true
}
_ = evt.Content.ParseRaw(evt.Type)
if evt.Type == event.EventEncrypted {
decryptedEvt, err := portal.bridge.Crypto.Decrypt(ctx, evt)
if err != nil {
log.Warn().Err(err).Msg("Failed to decrypt reply target event")
} else {
evt = decryptedEvt
}
}
content.SetReply(evt)
return true
}
func (portal *Portal) HandleMessageReaction(ctx context.Context, intent *appservice.IntentAPI, user *User, info *types.MessageInfo, reaction *waProto.ReactionMessage, existingMsg *database.Message) {
if existingMsg != nil {
_, _ = portal.MainIntent().RedactEvent(ctx, portal.MXID, existingMsg.MXID, mautrix.ReqRedact{
Reason: "The undecryptable message was actually a reaction",
})
}
targetJID := reaction.GetKey().GetId()
log := zerolog.Ctx(ctx).With().
Str("reaction_target_id", targetJID).
Logger()
if reaction.GetText() == "" {
existing, err := portal.bridge.DB.Reaction.GetByTargetJID(ctx, portal.Key, targetJID, info.Sender)
if err != nil {
log.Err(err).Msg("Failed to get existing reaction to remove")
return
} else if existing == nil {
log.Debug().Msg("Dropping removal of unknown reaction")
return
}
resp, err := intent.RedactEvent(ctx, portal.MXID, existing.MXID)
if err != nil {
log.Err(err).
Stringer("reaction_mxid", existing.MXID).
Msg("Failed to redact reaction")
}
portal.finishHandling(ctx, existingMsg, info, resp.EventID, intent.UserID, database.MsgReaction, 0, database.MsgNoError)
err = existing.Delete(ctx)
if err != nil {
log.Err(err).Msg("Failed to delete reaction from database")
}
} else {
target, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, targetJID)
if err != nil {
log.Err(err).Msg("Failed to get reaction target message from database")
return
} else if target == nil {
log.Debug().Msg("Dropping reaction to unknown message")
return
}
var content event.ReactionEventContent
content.RelatesTo = event.RelatesTo{
Type: event.RelAnnotation,
EventID: target.MXID,
Key: variationselector.Add(reaction.GetText()),
}
resp, err := intent.SendMassagedMessageEvent(ctx, portal.MXID, event.EventReaction, &content, info.Timestamp.UnixMilli())
if err != nil {
log.Err(err).Msg("Failed to bridge reaction")
return
}
portal.finishHandling(ctx, existingMsg, info, resp.EventID, intent.UserID, database.MsgReaction, 0, database.MsgNoError)
portal.upsertReaction(ctx, intent, target.JID, info.Sender, resp.EventID, info.ID)
}
}
func (portal *Portal) HandleMessageRevoke(ctx context.Context, user *User, info *types.MessageInfo, key *waProto.MessageKey) bool {
log := zerolog.Ctx(ctx).With().Str("revoke_target_id", key.GetId()).Logger()
msg, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, key.GetId())
if err != nil {
log.Err(err).Msg("Failed to get revoke target message from database")
return false
} else if msg == nil || msg.IsFakeMXID() {
return false
}
intent := portal.bridge.GetPuppetByJID(info.Sender).IntentFor(portal)
_, err = intent.RedactEvent(ctx, portal.MXID, msg.MXID)
if errors.Is(err, mautrix.MForbidden) {
_, err = portal.MainIntent().RedactEvent(ctx, portal.MXID, msg.MXID)
}
if err != nil {
log.Err(err).Stringer("revoke_target_mxid", msg.MXID).Msg("Failed to redact message from revoke")
} else if err = msg.Delete(ctx); err != nil {
log.Err(err).Msg("Failed to delete message from database after revoke")
}
return true
}
func (portal *Portal) deleteForMe(ctx context.Context, user *User, content *events.DeleteForMe) bool {
matrixUsers, err := portal.GetMatrixUsers(ctx)
if err != nil {
portal.zlog.Err(err).Msg("Failed to get Matrix users in portal to see if DeleteForMe should be handled")
return false
}
if len(matrixUsers) == 1 && matrixUsers[0] == user.MXID {
msg, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, content.MessageID)
if msg == nil || msg.IsFakeMXID() {
return false
}
_, err = portal.MainIntent().RedactEvent(ctx, portal.MXID, msg.MXID)
if err != nil {
portal.zlog.Err(err).Str("message_id", msg.JID).Msg("Failed to redact message from DeleteForMe")
} else if err = msg.Delete(ctx); err != nil {
portal.zlog.Err(err).Str("message_id", msg.JID).Msg("Failed to delete message from database after DeleteForMe")
}
return true
}
return false
}
func (portal *Portal) sendMainIntentMessage(ctx context.Context, content *event.MessageEventContent) (*mautrix.RespSendEvent, error) {
return portal.sendMessage(ctx, portal.MainIntent(), event.EventMessage, content, nil, 0)
}
func (portal *Portal) encrypt(ctx context.Context, intent *appservice.IntentAPI, content *event.Content, eventType event.Type) (event.Type, error) {
if !portal.Encrypted || portal.bridge.Crypto == nil {
return eventType, nil
}
intent.AddDoublePuppetValue(content)
// TODO maybe the locking should be inside mautrix-go?
portal.encryptLock.Lock()
defer portal.encryptLock.Unlock()
err := portal.bridge.Crypto.Encrypt(ctx, portal.MXID, eventType, content)
if err != nil {
return eventType, fmt.Errorf("failed to encrypt event: %w", err)
}
return event.EventEncrypted, nil
}
func (portal *Portal) sendMessage(ctx context.Context, intent *appservice.IntentAPI, eventType event.Type, content *event.MessageEventContent, extraContent map[string]interface{}, timestamp int64) (*mautrix.RespSendEvent, error) {
wrappedContent := event.Content{Parsed: content, Raw: extraContent}
var err error
eventType, err = portal.encrypt(ctx, intent, &wrappedContent, eventType)
if err != nil {
return nil, err
}
_, _ = intent.UserTyping(ctx, portal.MXID, false, 0)
if timestamp == 0 {
return intent.SendMessageEvent(ctx, portal.MXID, eventType, &wrappedContent)
} else {
return intent.SendMassagedMessageEvent(ctx, portal.MXID, eventType, &wrappedContent, timestamp)
}
}
type ReplyInfo struct {
MessageID types.MessageID
Chat types.JID
Sender types.JID
}
func (r *ReplyInfo) Equals(other *ReplyInfo) bool {
if r == nil {
return other == nil
} else if other == nil {
return false
}
return r.MessageID == other.MessageID && r.Chat == other.Chat && r.Sender == other.Sender
}
func (r ReplyInfo) MarshalZerologObject(e *zerolog.Event) {
e.Str("message_id", r.MessageID)
e.Str("chat_jid", r.Chat.String())
e.Str("sender_jid", r.Sender.String())
}
type Replyable interface {
GetStanzaId() string
GetParticipant() string
GetRemoteJid() string
}
func GetReply(replyable Replyable) *ReplyInfo {
if replyable.GetStanzaId() == "" {
return nil
}
sender, err := types.ParseJID(replyable.GetParticipant())
if err != nil {
return nil
}
chat, _ := types.ParseJID(replyable.GetRemoteJid())
return &ReplyInfo{
MessageID: types.MessageID(replyable.GetStanzaId()),
Chat: chat,
Sender: sender,
}
}
type ConvertedMessage struct {
Intent *appservice.IntentAPI
Type event.Type
Content *event.MessageEventContent
Extra map[string]interface{}
Caption *event.MessageEventContent
MultiEvent []*event.MessageEventContent
ReplyTo *ReplyInfo
ExpiresIn time.Duration
Error database.MessageErrorType
MediaKey []byte
}
func (cm *ConvertedMessage) MergeCaption() {
if cm.Caption == nil {
return
}
cm.Content.FileName = cm.Content.Body
extensibleCaption := map[string]interface{}{
"org.matrix.msc1767.text": cm.Caption.Body,
}
cm.Extra["org.matrix.msc1767.caption"] = extensibleCaption
cm.Content.Body = cm.Caption.Body
if cm.Caption.Format == event.FormatHTML {
cm.Content.Format = event.FormatHTML
cm.Content.FormattedBody = cm.Caption.FormattedBody
extensibleCaption["org.matrix.msc1767.html"] = cm.Caption.FormattedBody
}
cm.Caption = nil
}
func (portal *Portal) convertTextMessage(ctx context.Context, intent *appservice.IntentAPI, source *User, msg *waProto.Message) *ConvertedMessage {
content := &event.MessageEventContent{
Body: msg.GetConversation(),
MsgType: event.MsgText,
}
if len(msg.GetExtendedTextMessage().GetText()) > 0 {
content.Body = msg.GetExtendedTextMessage().GetText()
}
contextInfo := msg.GetExtendedTextMessage().GetContextInfo()
portal.bridge.Formatter.ParseWhatsApp(ctx, portal.MXID, content, contextInfo.GetMentionedJid(), false, false)
expiresIn := time.Duration(contextInfo.GetExpiration()) * time.Second
extraAttrs := map[string]interface{}{}
extraAttrs["com.beeper.linkpreviews"] = portal.convertURLPreviewToBeeper(ctx, intent, source, msg.GetExtendedTextMessage())
return &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: content,
ReplyTo: GetReply(contextInfo),
ExpiresIn: expiresIn,
Extra: extraAttrs,
}
}
func (portal *Portal) convertTemplateMessage(ctx context.Context, intent *appservice.IntentAPI, source *User, info *types.MessageInfo, tplMsg *waProto.TemplateMessage) *ConvertedMessage {
converted := &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: &event.MessageEventContent{
Body: "Unsupported business message",
MsgType: event.MsgText,
},
ReplyTo: GetReply(tplMsg.GetContextInfo()),
ExpiresIn: time.Duration(tplMsg.GetContextInfo().GetExpiration()) * time.Second,
}
tpl := tplMsg.GetHydratedTemplate()
if tpl == nil {
return converted
}
content := tpl.GetHydratedContentText()
if buttons := tpl.GetHydratedButtons(); len(buttons) > 0 {
addButtonText := false
descriptions := make([]string, len(buttons))
for i, rawButton := range buttons {
switch button := rawButton.GetHydratedButton().(type) {
case *waProto.HydratedTemplateButton_QuickReplyButton:
descriptions[i] = fmt.Sprintf("<%s>", button.QuickReplyButton.GetDisplayText())
addButtonText = true
case *waProto.HydratedTemplateButton_UrlButton:
descriptions[i] = fmt.Sprintf("[%s](%s)", button.UrlButton.GetDisplayText(), button.UrlButton.GetUrl())
case *waProto.HydratedTemplateButton_CallButton:
descriptions[i] = fmt.Sprintf("[%s](tel:%s)", button.CallButton.GetDisplayText(), button.CallButton.GetPhoneNumber())
}
}
description := strings.Join(descriptions, " - ")
if addButtonText {
description += "\nUse the WhatsApp app to click buttons"
}
content = fmt.Sprintf("%s\n\n%s", content, description)
}
if footer := tpl.GetHydratedFooterText(); footer != "" {
content = fmt.Sprintf("%s\n\n%s", content, footer)
}
var convertedTitle *ConvertedMessage
switch title := tpl.GetTitle().(type) {
case *waProto.TemplateMessage_HydratedFourRowTemplate_DocumentMessage:
convertedTitle = portal.convertMediaMessage(ctx, intent, source, info, title.DocumentMessage, "file attachment", false)
case *waProto.TemplateMessage_HydratedFourRowTemplate_ImageMessage:
convertedTitle = portal.convertMediaMessage(ctx, intent, source, info, title.ImageMessage, "photo", false)
case *waProto.TemplateMessage_HydratedFourRowTemplate_VideoMessage:
convertedTitle = portal.convertMediaMessage(ctx, intent, source, info, title.VideoMessage, "video attachment", false)
case *waProto.TemplateMessage_HydratedFourRowTemplate_LocationMessage:
content = fmt.Sprintf("Unsupported location message\n\n%s", content)
case *waProto.TemplateMessage_HydratedFourRowTemplate_HydratedTitleText:
content = fmt.Sprintf("%s\n\n%s", title.HydratedTitleText, content)
}
converted.Content.Body = content
portal.bridge.Formatter.ParseWhatsApp(ctx, portal.MXID, converted.Content, nil, true, false)
if convertedTitle != nil {
converted.MediaKey = convertedTitle.MediaKey
converted.Extra = convertedTitle.Extra
converted.Caption = converted.Content
converted.Content = convertedTitle.Content
converted.Error = convertedTitle.Error
}
if converted.Extra == nil {
converted.Extra = make(map[string]interface{})
}
converted.Extra["fi.mau.whatsapp.hydrated_template_id"] = tpl.GetTemplateId()
return converted
}
func (portal *Portal) convertTemplateButtonReplyMessage(ctx context.Context, intent *appservice.IntentAPI, msg *waProto.TemplateButtonReplyMessage) *ConvertedMessage {
return &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: &event.MessageEventContent{
Body: msg.GetSelectedDisplayText(),
MsgType: event.MsgText,
},
Extra: map[string]interface{}{
"fi.mau.whatsapp.template_button_reply": map[string]interface{}{
"id": msg.GetSelectedId(),
"index": msg.GetSelectedIndex(),
},
},
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
}
}
func (portal *Portal) convertListMessage(ctx context.Context, intent *appservice.IntentAPI, source *User, msg *waProto.ListMessage) *ConvertedMessage {
converted := &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: &event.MessageEventContent{
Body: "Unsupported business message",
MsgType: event.MsgText,
},
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
}
body := msg.GetDescription()
if msg.GetTitle() != "" {
if body == "" {
body = msg.GetTitle()
} else {
body = fmt.Sprintf("%s\n\n%s", msg.GetTitle(), body)
}
}
randomID := random.String(64)
body = fmt.Sprintf("%s\n%s", body, randomID)
if msg.GetFooterText() != "" {
body = fmt.Sprintf("%s\n\n%s", body, msg.GetFooterText())
}
converted.Content.Body = body
portal.bridge.Formatter.ParseWhatsApp(ctx, portal.MXID, converted.Content, nil, false, true)
var optionsMarkdown strings.Builder
_, _ = fmt.Fprintf(&optionsMarkdown, "#### %s\n", msg.GetButtonText())
for _, section := range msg.GetSections() {
nesting := ""
if section.GetTitle() != "" {
_, _ = fmt.Fprintf(&optionsMarkdown, "* %s\n", section.GetTitle())
nesting = " "
}
for _, row := range section.GetRows() {
if row.GetDescription() != "" {
_, _ = fmt.Fprintf(&optionsMarkdown, "%s* %s: %s\n", nesting, row.GetTitle(), row.GetDescription())
} else {
_, _ = fmt.Fprintf(&optionsMarkdown, "%s* %s\n", nesting, row.GetTitle())
}
}
}
optionsMarkdown.WriteString("\nUse the WhatsApp app to respond")
rendered := format.RenderMarkdown(optionsMarkdown.String(), true, false)
converted.Content.Body = strings.Replace(converted.Content.Body, randomID, rendered.Body, 1)
converted.Content.FormattedBody = strings.Replace(converted.Content.FormattedBody, randomID, rendered.FormattedBody, 1)
return converted
}
func (portal *Portal) convertListResponseMessage(ctx context.Context, intent *appservice.IntentAPI, msg *waProto.ListResponseMessage) *ConvertedMessage {
var body string
if msg.GetTitle() != "" {
if msg.GetDescription() != "" {
body = fmt.Sprintf("%s\n\n%s", msg.GetTitle(), msg.GetDescription())
} else {
body = msg.GetTitle()
}
} else if msg.GetDescription() != "" {
body = msg.GetDescription()
} else {
body = "Unsupported list reply message"
}
return &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: &event.MessageEventContent{
Body: body,
MsgType: event.MsgText,
},
Extra: map[string]interface{}{
"fi.mau.whatsapp.list_reply": map[string]interface{}{
"row_id": msg.GetSingleSelectReply().GetSelectedRowId(),
},
},
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
}
}
func (portal *Portal) convertPollUpdateMessage(ctx context.Context, intent *appservice.IntentAPI, source *User, info *types.MessageInfo, msg *waProto.PollUpdateMessage) *ConvertedMessage {
log := zerolog.Ctx(ctx).With().
Str("poll_id", msg.GetPollCreationMessageKey().GetId()).
Logger()
pollMessage, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, msg.GetPollCreationMessageKey().GetId())
if err != nil {
log.Err(err).Msg("Failed to get poll message to convert vote")
return nil
} else if pollMessage == nil {
log.Warn().Msg("Poll message not found for converting vote message")
return nil
}
vote, err := source.Client.DecryptPollVote(&events.Message{
Info: *info,
Message: &waProto.Message{PollUpdateMessage: msg},
})
if err != nil {
log.Err(err).Msg("Failed to decrypt vote message")
return nil
}
selectedHashes := make([]string, len(vote.GetSelectedOptions()))
if pollMessage.Type == database.MsgMatrixPoll {
mappedAnswers, err := pollMessage.GetPollOptionIDs(ctx, vote.GetSelectedOptions())
if err != nil {
log.Err(err).Msg("Failed to get poll option IDs")
return nil
}
for i, opt := range vote.GetSelectedOptions() {
if len(opt) != 32 {
log.Warn().Int("hash_len", len(opt)).Msg("Unexpected option hash length in vote")
continue
}
var ok bool
selectedHashes[i], ok = mappedAnswers[[32]byte(opt)]
if !ok {
log.Warn().Hex("option_hash", opt).Msg("Didn't find ID for option in vote")
}
}
} else {
for i, opt := range vote.GetSelectedOptions() {
selectedHashes[i] = hex.EncodeToString(opt)
}
}
evtType := TypeMSC3381PollResponse
//if portal.bridge.Config.Bridge.ExtEvPolls == 2 {
// evtType = TypeMSC3381V2PollResponse
//}
return &ConvertedMessage{
Intent: intent,
Type: evtType,
Content: &event.MessageEventContent{
RelatesTo: &event.RelatesTo{
Type: event.RelReference,
EventID: pollMessage.MXID,
},
},
Extra: map[string]any{
"org.matrix.msc3381.poll.response": map[string]any{
"answers": selectedHashes,
},
//"org.matrix.msc3381.v2.selections": selectedHashes,
},
}
}
func (portal *Portal) convertPollCreationMessage(ctx context.Context, intent *appservice.IntentAPI, msg *waProto.PollCreationMessage) *ConvertedMessage {
optionNames := make([]string, len(msg.GetOptions()))
optionsListText := make([]string, len(optionNames))
optionsListHTML := make([]string, len(optionNames))
msc3381Answers := make([]map[string]any, len(optionNames))
msc3381V2Answers := make([]map[string]any, len(optionNames))
for i, opt := range msg.GetOptions() {
optionNames[i] = opt.GetOptionName()
optionsListText[i] = fmt.Sprintf("%d. %s\n", i+1, optionNames[i])
optionsListHTML[i] = fmt.Sprintf("<li>%s</li>", event.TextToHTML(optionNames[i]))
optionHash := sha256.Sum256([]byte(opt.GetOptionName()))
optionHashStr := hex.EncodeToString(optionHash[:])
msc3381Answers[i] = map[string]any{
"id": optionHashStr,
"org.matrix.msc1767.text": opt.GetOptionName(),
}
msc3381V2Answers[i] = map[string]any{
"org.matrix.msc3381.v2.id": optionHashStr,
"org.matrix.msc1767.markup": []map[string]any{
{"mimetype": "text/plain", "body": opt.GetOptionName()},
},
}
}
body := fmt.Sprintf("%s\n\n%s", msg.GetName(), strings.Join(optionsListText, "\n"))
formattedBody := fmt.Sprintf("<p>%s</p><ol>%s</ol>", event.TextToHTML(msg.GetName()), strings.Join(optionsListHTML, ""))
maxChoices := int(msg.GetSelectableOptionsCount())
if maxChoices <= 0 {
maxChoices = len(optionNames)
}
evtType := event.EventMessage
if portal.bridge.Config.Bridge.ExtEvPolls {
evtType = TypeMSC3381PollStart
}
//else if portal.bridge.Config.Bridge.ExtEvPolls == 2 {
// evtType.Type = "org.matrix.msc3381.v2.poll.start"
//}
return &ConvertedMessage{
Intent: intent,
Type: evtType,
Content: &event.MessageEventContent{
Body: body,
MsgType: event.MsgText,
Format: event.FormatHTML,
FormattedBody: formattedBody,
},
Extra: map[string]any{
// Custom metadata
"fi.mau.whatsapp.poll": map[string]any{
"option_names": optionNames,
"selectable_options_count": msg.GetSelectableOptionsCount(),
},
// Slightly less extensible events (November 2022)
//"org.matrix.msc1767.markup": []map[string]any{
// {"mimetype": "text/html", "body": formattedBody},
// {"mimetype": "text/plain", "body": body},
//},
//"org.matrix.msc3381.v2.poll": map[string]any{
// "kind": "org.matrix.msc3381.v2.disclosed",
// "max_selections": maxChoices,
// "question": map[string]any{
// "org.matrix.msc1767.markup": []map[string]any{
// {"mimetype": "text/plain", "body": msg.GetName()},
// },
// },
// "answers": msc3381V2Answers,
//},
// Legacyest extensible events
"org.matrix.msc1767.message": []map[string]any{
{"mimetype": "text/html", "body": formattedBody},
{"mimetype": "text/plain", "body": body},
},
"org.matrix.msc3381.poll.start": map[string]any{
"kind": "org.matrix.msc3381.poll.disclosed",
"max_selections": maxChoices,
"question": map[string]any{
"org.matrix.msc1767.text": msg.GetName(),
},
"answers": msc3381Answers,
},
},
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
}
}
func (portal *Portal) convertLiveLocationMessage(ctx context.Context, intent *appservice.IntentAPI, msg *waProto.LiveLocationMessage) *ConvertedMessage {
content := &event.MessageEventContent{
Body: "Started sharing live location",
MsgType: event.MsgNotice,
}
if len(msg.GetCaption()) > 0 {
content.Body += ": " + msg.GetCaption()
}
return &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: content,
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
}
}
func (portal *Portal) convertLocationMessage(ctx context.Context, intent *appservice.IntentAPI, msg *waProto.LocationMessage) *ConvertedMessage {
url := msg.GetUrl()
if len(url) == 0 {
url = fmt.Sprintf("https://maps.google.com/?q=%.5f,%.5f", msg.GetDegreesLatitude(), msg.GetDegreesLongitude())
}
name := msg.GetName()
if len(name) == 0 {
latChar := 'N'
if msg.GetDegreesLatitude() < 0 {
latChar = 'S'
}
longChar := 'E'
if msg.GetDegreesLongitude() < 0 {
longChar = 'W'
}
name = fmt.Sprintf("%.4f° %c %.4f° %c", math.Abs(msg.GetDegreesLatitude()), latChar, math.Abs(msg.GetDegreesLongitude()), longChar)
}
content := &event.MessageEventContent{
MsgType: event.MsgLocation,
Body: fmt.Sprintf("Location: %s\n%s\n%s", name, msg.GetAddress(), url),
Format: event.FormatHTML,
FormattedBody: fmt.Sprintf("Location: <a href='%s'>%s</a><br>%s", url, name, msg.GetAddress()),
GeoURI: fmt.Sprintf("geo:%.5f,%.5f", msg.GetDegreesLatitude(), msg.GetDegreesLongitude()),
}
if len(msg.GetJpegThumbnail()) > 0 {
thumbnailMime := http.DetectContentType(msg.GetJpegThumbnail())
uploadedThumbnail, _ := intent.UploadBytes(ctx, msg.GetJpegThumbnail(), thumbnailMime)
if uploadedThumbnail != nil {
cfg, _, _ := image.DecodeConfig(bytes.NewReader(msg.GetJpegThumbnail()))
content.Info = &event.FileInfo{
ThumbnailInfo: &event.FileInfo{
Size: len(msg.GetJpegThumbnail()),
Width: cfg.Width,
Height: cfg.Height,
MimeType: thumbnailMime,
},
ThumbnailURL: uploadedThumbnail.ContentURI.CUString(),
}
}
}
return &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: content,
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
}
}
const inviteMsg = `%s<hr/>This invitation to join "%s" expires at %s. Reply to this message with <code>!wa accept</code> to accept the invite.`
const inviteMsgBroken = `%s<hr/>This invitation to join "%s" expires at %s. However, the invite message is broken or unsupported and cannot be accepted.`
const inviteMetaField = "fi.mau.whatsapp.invite"
const escapedInviteMetaField = `fi\.mau\.whatsapp\.invite`
type InviteMeta struct {
JID types.JID `json:"jid"`
Code string `json:"code"`
Expiration int64 `json:"expiration,string"`
Inviter types.JID `json:"inviter"`
}
func (portal *Portal) convertGroupInviteMessage(ctx context.Context, intent *appservice.IntentAPI, info *types.MessageInfo, msg *waProto.GroupInviteMessage) *ConvertedMessage {
expiry := time.Unix(msg.GetInviteExpiration(), 0)
template := inviteMsg
var extraAttrs map[string]any
groupJID, err := types.ParseJID(msg.GetGroupJid())
if err != nil {
zerolog.Ctx(ctx).Err(err).Str("invite_group_jid", msg.GetGroupJid()).Msg("Failed to parse invite group JID")
template = inviteMsgBroken
} else {
extraAttrs = map[string]interface{}{
inviteMetaField: InviteMeta{
JID: groupJID,
Code: msg.GetInviteCode(),
Expiration: msg.GetInviteExpiration(),
Inviter: info.Sender.ToNonAD(),
},
}
}
htmlMessage := fmt.Sprintf(template, event.TextToHTML(msg.GetCaption()), msg.GetGroupName(), expiry)
content := &event.MessageEventContent{
MsgType: event.MsgText,
Body: format.HTMLToText(htmlMessage),
Format: event.FormatHTML,
FormattedBody: htmlMessage,
}
return &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: content,
Extra: extraAttrs,
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
}
}
func (portal *Portal) convertContactMessage(ctx context.Context, intent *appservice.IntentAPI, msg *waProto.ContactMessage) *ConvertedMessage {
fileName := fmt.Sprintf("%s.vcf", msg.GetDisplayName())
data := []byte(msg.GetVcard())
mimeType := "text/vcard"
uploadMimeType, file := portal.encryptFileInPlace(data, mimeType)
uploadResp, err := intent.UploadBytesWithName(ctx, data, uploadMimeType, fileName)
if err != nil {
zerolog.Ctx(ctx).Err(err).Str("displayname", msg.GetDisplayName()).Msg("Failed to upload vcard")
return nil
}
content := &event.MessageEventContent{
Body: fileName,
MsgType: event.MsgFile,
File: file,
Info: &event.FileInfo{
MimeType: mimeType,
Size: len(msg.GetVcard()),
},
}
if content.File != nil {
content.File.URL = uploadResp.ContentURI.CUString()
} else {
content.URL = uploadResp.ContentURI.CUString()
}
return &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: content,
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
}
}
func (portal *Portal) convertContactsArrayMessage(ctx context.Context, intent *appservice.IntentAPI, msg *waProto.ContactsArrayMessage) *ConvertedMessage {
name := msg.GetDisplayName()
if len(name) == 0 {
name = fmt.Sprintf("%d contacts", len(msg.GetContacts()))
}
contacts := make([]*event.MessageEventContent, 0, len(msg.GetContacts()))
for _, contact := range msg.GetContacts() {
converted := portal.convertContactMessage(ctx, intent, contact)
if converted != nil {
contacts = append(contacts, converted.Content)
}
}
return &ConvertedMessage{
Intent: intent,
Type: event.EventMessage,
Content: &event.MessageEventContent{
MsgType: event.MsgNotice,
Body: fmt.Sprintf("Sent %s", name),
},
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
MultiEvent: contacts,
}
}
func (portal *Portal) tryKickUser(ctx context.Context, userID id.UserID, intent *appservice.IntentAPI) error {
_, err := intent.KickUser(ctx, portal.MXID, &mautrix.ReqKickUser{UserID: userID})
if errors.Is(err, mautrix.MForbidden) {
_, err = portal.MainIntent().KickUser(ctx, portal.MXID, &mautrix.ReqKickUser{UserID: userID})
}
return err
}
func (portal *Portal) removeUser(ctx context.Context, isSameUser bool, kicker *appservice.IntentAPI, target id.UserID, targetIntent *appservice.IntentAPI) {
if !isSameUser || targetIntent == nil {
err := portal.tryKickUser(ctx, target, kicker)
if err != nil {
zerolog.Ctx(ctx).Warn().Err(err).Stringer("target_mxid", target).Msg("Failed to kick user from portal")
if targetIntent != nil {
_, _ = targetIntent.LeaveRoom(ctx, portal.MXID)
}
}
} else {
_, err := targetIntent.LeaveRoom(ctx, portal.MXID)
if err != nil {
zerolog.Ctx(ctx).Warn().Err(err).Stringer("target_mxid", target).Msg("Failed to leave portal as user")
_, _ = portal.MainIntent().KickUser(ctx, portal.MXID, &mautrix.ReqKickUser{UserID: target})
}
}
portal.CleanupIfEmpty(ctx)
}
func (portal *Portal) HandleWhatsAppKick(ctx context.Context, source *User, senderJID types.JID, jids []types.JID) {
sender := portal.bridge.GetPuppetByJID(senderJID)
senderIntent := sender.IntentFor(portal)
for _, jid := range jids {
if jid.Server != types.DefaultUserServer {
// TODO handle lids
continue
}
//if source != nil && source.JID.User == jid.User {
// portal.log.Debugln("Ignoring self-kick by", source.MXID)
// continue
//}
puppet := portal.bridge.GetPuppetByJID(jid)
portal.removeUser(ctx, puppet.JID == sender.JID, senderIntent, puppet.MXID, puppet.DefaultIntent())
if !portal.IsBroadcastList() {
user := portal.bridge.GetUserByJID(jid)
if user != nil {
var customIntent *appservice.IntentAPI
if puppet.CustomMXID == user.MXID {
customIntent = puppet.CustomIntent()
}
portal.removeUser(ctx, puppet.JID == sender.JID, senderIntent, user.MXID, customIntent)
}
}
}
}
func (portal *Portal) HandleWhatsAppInvite(ctx context.Context, source *User, senderJID *types.JID, jids []types.JID) (evtID id.EventID) {
intent := portal.MainIntent()
if senderJID != nil && !senderJID.IsEmpty() {
sender := portal.bridge.GetPuppetByJID(*senderJID)
intent = sender.IntentFor(portal)
}
for _, jid := range jids {
if jid.Server != types.DefaultUserServer {
// TODO handle lids
continue
}
puppet := portal.bridge.GetPuppetByJID(jid)
puppet.SyncContact(ctx, source, true, false, "handling whatsapp invite")
resp, err := intent.SendStateEvent(ctx, portal.MXID, event.StateMember, puppet.MXID.String(), &event.MemberEventContent{
Membership: event.MembershipInvite,
Displayname: puppet.Displayname,
AvatarURL: puppet.AvatarURL.CUString(),
})
if err != nil {
zerolog.Ctx(ctx).Warn().Err(err).
Stringer("target_mxid", puppet.MXID).
Stringer("inviter_mxid", intent.UserID).
Msg("Failed to invite user")
_ = portal.MainIntent().EnsureInvited(ctx, portal.MXID, puppet.MXID)
} else {
evtID = resp.EventID
}
err = puppet.DefaultIntent().EnsureJoined(ctx, portal.MXID)
if err != nil {
zerolog.Ctx(ctx).Err(err).
Stringer("target_mxid", puppet.MXID).
Msg("Failed to ensure user is joined to portal")
}
}
return
}
func (portal *Portal) HandleWhatsAppDeleteChat(ctx context.Context, user *User) {
if portal.MXID == "" {
return
}
matrixUsers, err := portal.GetMatrixUsers(ctx)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to get Matrix users to see if DeleteChat should be handled")
return
}
if len(matrixUsers) > 1 {
zerolog.Ctx(ctx).Debug().Msg("Portal contains more than one Matrix user, ignoring DeleteChat event")
return
} else if (len(matrixUsers) == 1 && matrixUsers[0] == user.MXID) || len(matrixUsers) < 1 {
zerolog.Ctx(ctx).Debug().Msg("User deleted chat and there are no other Matrix users, deleting portal...")
portal.Delete(ctx)
portal.Cleanup(ctx, false)
}
}
const failedMediaField = "fi.mau.whatsapp.failed_media"
type FailedMediaKeys struct {
Key []byte `json:"key"`
Length int `json:"length"`
Type whatsmeow.MediaType `json:"type"`
SHA256 []byte `json:"sha256"`
EncSHA256 []byte `json:"enc_sha256"`
}
type FailedMediaMeta struct {
Type event.Type `json:"type"`
Content *event.MessageEventContent `json:"content"`
ExtraContent map[string]interface{} `json:"extra_content,omitempty"`
Media FailedMediaKeys `json:"whatsapp_media"`
}
func (portal *Portal) makeMediaBridgeFailureMessage(info *types.MessageInfo, bridgeErr error, converted *ConvertedMessage, keys *FailedMediaKeys, userFriendlyError string) *ConvertedMessage {
if errors.Is(bridgeErr, whatsmeow.ErrMediaDownloadFailedWith403) || errors.Is(bridgeErr, whatsmeow.ErrMediaDownloadFailedWith404) || errors.Is(bridgeErr, whatsmeow.ErrMediaDownloadFailedWith410) {
portal.zlog.Debug().Err(bridgeErr).Str("message_id", info.ID).Msg("Failed to bridge media for message")
} else {
portal.zlog.Err(bridgeErr).Str("message_id", info.ID).Msg("Failed to bridge media for message")
}
if keys != nil {
if portal.bridge.Config.Bridge.CaptionInMessage {
converted.MergeCaption()
}
meta := &FailedMediaMeta{
Type: converted.Type,
Content: converted.Content,
ExtraContent: maps.Clone(converted.Extra),
Media: *keys,
}
converted.Extra[failedMediaField] = meta
portal.mediaErrorCache[info.ID] = meta
}
converted.Type = event.EventMessage
body := userFriendlyError
if body == "" {
body = fmt.Sprintf("Failed to bridge media: %v", bridgeErr)
}
converted.Content = &event.MessageEventContent{
MsgType: event.MsgNotice,
Body: body,
}
return converted
}
func (portal *Portal) encryptFileInPlace(data []byte, mimeType string) (string, *event.EncryptedFileInfo) {
if !portal.Encrypted {
return mimeType, nil
}
file := &event.EncryptedFileInfo{
EncryptedFile: *attachment.NewEncryptedFile(),
URL: "",
}
file.EncryptInPlace(data)
return "application/octet-stream", file
}
type MediaMessage interface {
whatsmeow.DownloadableMessage
GetContextInfo() *waProto.ContextInfo
GetFileLength() uint64
GetMimetype() string
}
type MediaMessageWithThumbnail interface {
MediaMessage
GetJpegThumbnail() []byte
}
type MediaMessageWithCaption interface {
MediaMessage
GetCaption() string
}
type MediaMessageWithDimensions interface {
MediaMessage
GetHeight() uint32
GetWidth() uint32
}
type MediaMessageWithFileName interface {
MediaMessage
GetFileName() string
}
type MediaMessageWithDuration interface {
MediaMessage
GetSeconds() uint32
}
const WhatsAppStickerSize = 190
func (portal *Portal) convertMediaMessageContent(ctx context.Context, intent *appservice.IntentAPI, msg MediaMessage) *ConvertedMessage {
content := &event.MessageEventContent{
Info: &event.FileInfo{
MimeType: msg.GetMimetype(),
Size: int(msg.GetFileLength()),
},
}
extraContent := map[string]interface{}{}
messageWithDimensions, ok := msg.(MediaMessageWithDimensions)
if ok {
content.Info.Width = int(messageWithDimensions.GetWidth())
content.Info.Height = int(messageWithDimensions.GetHeight())
}
msgWithName, ok := msg.(MediaMessageWithFileName)
if ok && len(msgWithName.GetFileName()) > 0 {
content.Body = msgWithName.GetFileName()
} else {
mimeClass := strings.Split(msg.GetMimetype(), "/")[0]
switch mimeClass {
case "application":
content.Body = "file"
default:
content.Body = mimeClass
}
content.Body += exmime.ExtensionFromMimetype(msg.GetMimetype())
}
msgWithDuration, ok := msg.(MediaMessageWithDuration)
if ok {
content.Info.Duration = int(msgWithDuration.GetSeconds()) * 1000
}
videoMessage, ok := msg.(*waProto.VideoMessage)
var isGIF bool
if ok && videoMessage.GetGifPlayback() {
isGIF = true
extraContent["info"] = map[string]interface{}{
"fi.mau.loop": true,
"fi.mau.autoplay": true,
"fi.mau.hide_controls": true,
"fi.mau.no_audio": true,
"fi.mau.gif": true,
}
}
messageWithThumbnail, ok := msg.(MediaMessageWithThumbnail)
if ok && messageWithThumbnail.GetJpegThumbnail() != nil && (portal.bridge.Config.Bridge.WhatsappThumbnail || isGIF) {
thumbnailData := messageWithThumbnail.GetJpegThumbnail()
thumbnailMime := http.DetectContentType(thumbnailData)
thumbnailCfg, _, _ := image.DecodeConfig(bytes.NewReader(thumbnailData))
thumbnailSize := len(thumbnailData)
thumbnailUploadMime, thumbnailFile := portal.encryptFileInPlace(thumbnailData, thumbnailMime)
uploadedThumbnail, err := intent.UploadBytes(ctx, thumbnailData, thumbnailUploadMime)
if err != nil {
zerolog.Ctx(ctx).Warn().Err(err).Msg("Failed to upload thumbnail")
} else if uploadedThumbnail != nil {
if thumbnailFile != nil {
thumbnailFile.URL = uploadedThumbnail.ContentURI.CUString()
content.Info.ThumbnailFile = thumbnailFile
} else {
content.Info.ThumbnailURL = uploadedThumbnail.ContentURI.CUString()
}
content.Info.ThumbnailInfo = &event.FileInfo{
Size: thumbnailSize,
Width: thumbnailCfg.Width,
Height: thumbnailCfg.Height,
MimeType: thumbnailMime,
}
}
}
eventType := event.EventMessage
switch msg.(type) {
case *waProto.ImageMessage:
content.MsgType = event.MsgImage
case *waProto.StickerMessage:
eventType = event.EventSticker
if content.Info.Width > content.Info.Height {
content.Info.Height /= content.Info.Width / WhatsAppStickerSize
content.Info.Width = WhatsAppStickerSize
} else if content.Info.Width < content.Info.Height {
content.Info.Width /= content.Info.Height / WhatsAppStickerSize
content.Info.Height = WhatsAppStickerSize
} else {
content.Info.Width = WhatsAppStickerSize
content.Info.Height = WhatsAppStickerSize
}
case *waProto.VideoMessage:
content.MsgType = event.MsgVideo
case *waProto.AudioMessage:
content.MsgType = event.MsgAudio
case *waProto.DocumentMessage:
content.MsgType = event.MsgFile
default:
zerolog.Ctx(ctx).Warn().Type("content_struct", msg).Msg("Unexpected media type in convertMediaMessageContent")
content.MsgType = event.MsgFile
}
audioMessage, ok := msg.(*waProto.AudioMessage)
if ok {
var waveform []int
if audioMessage.Waveform != nil {
waveform = make([]int, len(audioMessage.Waveform))
maxWave := 0
for i, part := range audioMessage.Waveform {
waveform[i] = int(part)
if waveform[i] > maxWave {
maxWave = waveform[i]
}
}
multiplier := 0
if maxWave > 0 {
multiplier = 1024 / maxWave
}
if multiplier > 32 {
multiplier = 32
}
for i := range waveform {
waveform[i] *= multiplier
}
}
extraContent["org.matrix.msc1767.audio"] = map[string]interface{}{
"duration": int(audioMessage.GetSeconds()) * 1000,
"waveform": waveform,
}
if audioMessage.GetPtt() || audioMessage.GetMimetype() == "audio/ogg; codecs/opus" {
extraContent["org.matrix.msc3245.voice"] = map[string]interface{}{}
}
}
messageWithCaption, ok := msg.(MediaMessageWithCaption)
var captionContent *event.MessageEventContent
if ok && len(messageWithCaption.GetCaption()) > 0 {
captionContent = &event.MessageEventContent{
Body: messageWithCaption.GetCaption(),
MsgType: event.MsgNotice,
}
portal.bridge.Formatter.ParseWhatsApp(ctx, portal.MXID, captionContent, msg.GetContextInfo().GetMentionedJid(), false, false)
}
return &ConvertedMessage{
Intent: intent,
Type: eventType,
Content: content,
Caption: captionContent,
ReplyTo: GetReply(msg.GetContextInfo()),
ExpiresIn: time.Duration(msg.GetContextInfo().GetExpiration()) * time.Second,
Extra: extraContent,
}
}
func (portal *Portal) uploadMedia(ctx context.Context, intent *appservice.IntentAPI, data []byte, content *event.MessageEventContent) error {
uploadMimeType, file := portal.encryptFileInPlace(data, content.Info.MimeType)
req := mautrix.ReqUploadMedia{
ContentBytes: data,
ContentType: uploadMimeType,
}
var mxc id.ContentURI
if portal.bridge.Config.Homeserver.AsyncMedia {
uploaded, err := intent.UploadAsync(ctx, req)
if err != nil {
return err
}
mxc = uploaded.ContentURI
} else {
uploaded, err := intent.UploadMedia(ctx, req)
if err != nil {
return err
}
mxc = uploaded.ContentURI
}
if file != nil {
file.URL = mxc.CUString()
content.File = file
} else {
content.URL = mxc.CUString()
}
content.Info.Size = len(data)
if content.Info.Width == 0 && content.Info.Height == 0 && strings.HasPrefix(content.Info.MimeType, "image/") {
cfg, _, _ := image.DecodeConfig(bytes.NewReader(data))
content.Info.Width, content.Info.Height = cfg.Width, cfg.Height
}
// This is a hack for bad clients like Element iOS that require a thumbnail (https://github.com/vector-im/element-ios/issues/4004)
if strings.HasPrefix(content.Info.MimeType, "image/") && content.Info.ThumbnailInfo == nil {
infoCopy := *content.Info
content.Info.ThumbnailInfo = &infoCopy
if content.File != nil {
content.Info.ThumbnailFile = file
} else {
content.Info.ThumbnailURL = content.URL
}
}
return nil
}
func (portal *Portal) convertMediaMessage(ctx context.Context, intent *appservice.IntentAPI, source *User, info *types.MessageInfo, msg MediaMessage, typeName string, isBackfill bool) *ConvertedMessage {
converted := portal.convertMediaMessageContent(ctx, intent, msg)
if msg.GetFileLength() > uint64(portal.bridge.MediaConfig.UploadSize) {
return portal.makeMediaBridgeFailureMessage(info, errors.New("file is too large"), converted, nil, fmt.Sprintf("Large %s not bridged - please use WhatsApp app to view", typeName))
}
data, err := source.Client.Download(msg)
if errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith403) || errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith404) || errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith410) {
converted.Error = database.MsgErrMediaNotFound
converted.MediaKey = msg.GetMediaKey()
errorText := fmt.Sprintf("Old %s.", typeName)
if portal.bridge.Config.Bridge.HistorySync.MediaRequests.AutoRequestMedia && isBackfill {
errorText += " Media will be automatically requested from your phone later."
} else {
errorText += " React with the \u267b (recycle) emoji to request this media from your phone."
}
return portal.makeMediaBridgeFailureMessage(info, err, converted, &FailedMediaKeys{
Key: msg.GetMediaKey(),
Length: int(msg.GetFileLength()),
Type: whatsmeow.GetMediaType(msg),
SHA256: msg.GetFileSha256(),
EncSHA256: msg.GetFileEncSha256(),
}, errorText)
} else if errors.Is(err, whatsmeow.ErrNoURLPresent) {
zerolog.Ctx(ctx).Debug().Msg("No URL present error for media message, ignoring...")
return nil
} else if errors.Is(err, whatsmeow.ErrFileLengthMismatch) || errors.Is(err, whatsmeow.ErrInvalidMediaSHA256) {
zerolog.Ctx(ctx).Warn().Err(err).Msg("Mismatching media checksums in message. Ignoring because WhatsApp seems to ignore them too")
} else if err != nil {
return portal.makeMediaBridgeFailureMessage(info, err, converted, nil, "")
}
err = portal.uploadMedia(ctx, intent, data, converted.Content)
if err != nil {
if errors.Is(err, mautrix.MTooLarge) {
return portal.makeMediaBridgeFailureMessage(info, errors.New("homeserver rejected too large file"), converted, nil, "")
} else if httpErr := (mautrix.HTTPError{}); errors.As(err, &httpErr) && httpErr.IsStatus(413) {
return portal.makeMediaBridgeFailureMessage(info, errors.New("proxy rejected too large file"), converted, nil, "")
} else {
return portal.makeMediaBridgeFailureMessage(info, fmt.Errorf("failed to upload media: %w", err), converted, nil, "")
}
}
return converted
}
func (portal *Portal) fetchMediaRetryEvent(ctx context.Context, msg *database.Message) (*FailedMediaMeta, error) {
errorMeta, ok := portal.mediaErrorCache[msg.JID]
if ok {
return errorMeta, nil
}
evt, err := portal.MainIntent().GetEvent(ctx, portal.MXID, msg.MXID)
if err != nil {
return nil, fmt.Errorf("failed to fetch event %s: %w", msg.MXID, err)
}
if evt.Type == event.EventEncrypted {
err = evt.Content.ParseRaw(evt.Type)
if err != nil {
return nil, fmt.Errorf("failed to parse encrypted content in %s: %w", msg.MXID, err)
}
evt, err = portal.bridge.Crypto.Decrypt(ctx, evt)
if err != nil {
return nil, fmt.Errorf("failed to decrypt event %s: %w", msg.MXID, err)
}
}
errorMetaResult := gjson.GetBytes(evt.Content.VeryRaw, strings.ReplaceAll(failedMediaField, ".", "\\."))
if !errorMetaResult.Exists() || !errorMetaResult.IsObject() {
return nil, fmt.Errorf("didn't find failed media metadata in %s", msg.MXID)
}
var errorMetaBytes []byte
if errorMetaResult.Index > 0 {
errorMetaBytes = evt.Content.VeryRaw[errorMetaResult.Index : errorMetaResult.Index+len(errorMetaResult.Raw)]
} else {
errorMetaBytes = []byte(errorMetaResult.Raw)
}
err = json.Unmarshal(errorMetaBytes, &errorMeta)
if err != nil {
return nil, fmt.Errorf("failed to unmarshal failed media metadata in %s: %w", msg.MXID, err)
}
return errorMeta, nil
}
func (portal *Portal) sendMediaRetryFailureEdit(ctx context.Context, intent *appservice.IntentAPI, msg *database.Message, err error) {
content := event.MessageEventContent{
MsgType: event.MsgNotice,
Body: fmt.Sprintf("Failed to bridge media after re-requesting it from your phone: %v", err),
}
contentCopy := content
content.NewContent = &contentCopy
content.RelatesTo = &event.RelatesTo{
EventID: msg.MXID,
Type: event.RelReplace,
}
resp, sendErr := portal.sendMessage(ctx, intent, event.EventMessage, &content, nil, time.Now().UnixMilli())
if sendErr != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to edit message after media retry failure")
} else {
zerolog.Ctx(ctx).Debug().Stringer("edit_mxid", resp.EventID).
Msg("Successfully edited message after media retry failure")
}
}
func (portal *Portal) handleMediaRetry(retry *events.MediaRetry, source *User) {
log := portal.zlog.With().
Str("action", "handle media retry").
Str("retry_message_id", retry.MessageID).
Logger()
ctx := log.WithContext(context.TODO())
err := source.mediaRetryLock.Acquire(ctx, 1)
if err != nil {
log.Err(err).Msg("Failed to acquire media retry semaphore")
return
}
defer source.mediaRetryLock.Release(1)
msg, err := portal.bridge.DB.Message.GetByJID(ctx, portal.Key, retry.MessageID)
if msg == nil {
log.Warn().Msg("Dropping media retry notification for unknown message")
return
}
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Stringer("retry_message_mxid", msg.MXID)
})
if msg.Error != database.MsgErrMediaNotFound {
log.Warn().Msg("Dropping media retry notification for non-errored message")
return
}
meta, err := portal.fetchMediaRetryEvent(ctx, msg)
if err != nil {
log.Warn().Err(err).Msg("Can't handle media retry notification for message")
return
}
var puppet *Puppet
if retry.FromMe {
puppet = portal.bridge.GetPuppetByJID(source.JID)
} else if retry.ChatID.Server == types.DefaultUserServer {
puppet = portal.bridge.GetPuppetByJID(retry.ChatID)
} else {
puppet = portal.bridge.GetPuppetByJID(retry.SenderID)
}
if puppet == nil {
// TODO handle lids?
return
}
intent := puppet.IntentFor(portal)
retryData, err := whatsmeow.DecryptMediaRetryNotification(retry, meta.Media.Key)
if err != nil {
log.Warn().Err(err).Msg("Failed to decrypt media retry notification")
portal.sendMediaRetryFailureEdit(ctx, intent, msg, err)
return
} else if retryData.GetResult() != waProto.MediaRetryNotification_SUCCESS {
errorName := waProto.MediaRetryNotification_ResultType_name[int32(retryData.GetResult())]
if retryData.GetDirectPath() == "" {
log.Warn().Str("error_name", errorName).Msg("Got error response in media retry notification")
log.Debug().Any("error_content", retryData).Msg("Full error response content")
if retryData.GetResult() == waProto.MediaRetryNotification_NOT_FOUND {
portal.sendMediaRetryFailureEdit(ctx, intent, msg, whatsmeow.ErrMediaNotAvailableOnPhone)
} else {
portal.sendMediaRetryFailureEdit(ctx, intent, msg, fmt.Errorf("phone sent error response: %s", errorName))
}
return
} else {
log.Debug().Msg("Got error response in media retry notification, but response also contains a new download URL - trying to download")
}
}
data, err := source.Client.DownloadMediaWithPath(retryData.GetDirectPath(), meta.Media.EncSHA256, meta.Media.SHA256, meta.Media.Key, meta.Media.Length, meta.Media.Type, "")
if err != nil {
log.Warn().Err(err).Msg("Failed to download media after retry notification")
portal.sendMediaRetryFailureEdit(ctx, intent, msg, err)
return
}
err = portal.uploadMedia(ctx, intent, data, meta.Content)
if err != nil {
log.Err(err).Msg("Failed to re-upload media after retry notification")
portal.sendMediaRetryFailureEdit(ctx, intent, msg, fmt.Errorf("re-uploading media failed: %v", err))
return
}
replaceContent := &event.MessageEventContent{
MsgType: meta.Content.MsgType,
Body: "* " + meta.Content.Body,
NewContent: meta.Content,
RelatesTo: &event.RelatesTo{
EventID: msg.MXID,
Type: event.RelReplace,
},
}
// Move the extra content into m.new_content too
meta.ExtraContent = map[string]interface{}{
"m.new_content": maps.Clone(meta.ExtraContent),
}
resp, err := portal.sendMessage(ctx, intent, meta.Type, replaceContent, meta.ExtraContent, time.Now().UnixMilli())
if err != nil {
log.Err(err).Msg("Failed to edit message after reuploading media from retry notification")
return
}
log.Debug().Stringer("edit_mxid", resp.EventID).Msg("Successfully edited message after retry notification")
err = msg.UpdateMXID(ctx, resp.EventID, database.MsgNormal, database.MsgNoError)
if err != nil {
log.Err(err).Msg("Failed to save message to database after editing with retry notification")
}
}
func (portal *Portal) requestMediaRetry(ctx context.Context, user *User, eventID id.EventID, mediaKey []byte) (bool, error) {
log := zerolog.Ctx(ctx).With().Stringer("target_event_id", eventID).Logger()
msg, err := portal.bridge.DB.Message.GetByMXID(ctx, eventID)
if err != nil {
log.Err(err).Msg("Failed to get media retry target from database")
return false, fmt.Errorf("failed to get media retry target")
} else if msg == nil {
log.Debug().Msg("Can't send media retry request for unknown message")
return false, fmt.Errorf("unknown message")
}
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Str("target_message_id", msg.JID)
})
if msg.Error != database.MsgErrMediaNotFound {
log.Debug().Msg("Dropping media retry request for non-errored message")
return false, fmt.Errorf("message is not errored")
}
// If the media key is not provided, grab it from the event in Matrix
if mediaKey == nil {
evt, err := portal.fetchMediaRetryEvent(ctx, msg)
if err != nil {
log.Warn().Err(err).Msg("Dropping media retry request as media key couldn't be fetched")
return true, nil
}
mediaKey = evt.Media.Key
}
err = user.Client.SendMediaRetryReceipt(&types.MessageInfo{
ID: msg.JID,
MessageSource: types.MessageSource{
IsFromMe: msg.Sender.User == user.JID.User,
IsGroup: !portal.IsPrivateChat(),
Sender: msg.Sender,
Chat: portal.Key.JID,
},
}, mediaKey)
if err != nil {
log.Err(err).Msg("Failed to send media retry request")
} else {
log.Debug().Msg("Sent media retry request")
}
return true, err
}
const thumbnailMaxSize = 72
const thumbnailMinSize = 24
func createThumbnailAndGetSize(source []byte, pngThumbnail bool) ([]byte, int, int, error) {
src, _, err := image.Decode(bytes.NewReader(source))
if err != nil {
return nil, 0, 0, fmt.Errorf("failed to decode thumbnail: %w", err)
}
imageBounds := src.Bounds()
width, height := imageBounds.Max.X, imageBounds.Max.Y
var img image.Image
if width <= thumbnailMaxSize && height <= thumbnailMaxSize {
// No need to resize
img = src
} else {
if width == height {
width = thumbnailMaxSize
height = thumbnailMaxSize
} else if width < height {
width /= height / thumbnailMaxSize
height = thumbnailMaxSize
} else {
height /= width / thumbnailMaxSize
width = thumbnailMaxSize
}
if width < thumbnailMinSize {
width = thumbnailMinSize
}
if height < thumbnailMinSize {
height = thumbnailMinSize
}
dst := image.NewRGBA(image.Rect(0, 0, width, height))
draw.NearestNeighbor.Scale(dst, dst.Rect, src, src.Bounds(), draw.Over, nil)
img = dst
}
var buf bytes.Buffer
if pngThumbnail {
err = png.Encode(&buf, img)
} else {
err = jpeg.Encode(&buf, img, &jpeg.Options{Quality: jpeg.DefaultQuality})
}
if err != nil {
return nil, width, height, fmt.Errorf("failed to re-encode thumbnail: %w", err)
}
return buf.Bytes(), width, height, nil
}
func createThumbnail(source []byte, png bool) ([]byte, error) {
data, _, _, err := createThumbnailAndGetSize(source, png)
return data, err
}
func (portal *Portal) downloadThumbnail(ctx context.Context, original []byte, thumbnailURL id.ContentURIString, eventID id.EventID, png bool) ([]byte, error) {
if len(thumbnailURL) == 0 {
// just fall back to making thumbnail of original
} else if mxc, err := thumbnailURL.Parse(); err != nil {
zerolog.Ctx(ctx).Warn().Err(err).Msg("Malformed thumbnail URL in event, falling back to generating thumbnail from source")
} else if thumbnail, err := portal.MainIntent().DownloadBytes(ctx, mxc); err != nil {
zerolog.Ctx(ctx).Warn().Err(err).Msg("Failed to download thumbnail in event, falling back to generating thumbnail from source")
} else {
return createThumbnail(thumbnail, png)
}
return createThumbnail(original, png)
}
func (portal *Portal) convertWebPtoPNG(webpImage []byte) ([]byte, error) {
webpDecoded, err := webp.Decode(bytes.NewReader(webpImage))
if err != nil {
return nil, fmt.Errorf("failed to decode webp image: %w", err)
}
var pngBuffer bytes.Buffer
if err = png.Encode(&pngBuffer, webpDecoded); err != nil {
return nil, fmt.Errorf("failed to encode png image: %w", err)
}
return pngBuffer.Bytes(), nil
}
type PaddedImage struct {
image.Image
Size int
OffsetX int
OffsetY int
}
func (img *PaddedImage) Bounds() image.Rectangle {
return image.Rect(0, 0, img.Size, img.Size)
}
func (img *PaddedImage) At(x, y int) color.Color {
return img.Image.At(x+img.OffsetX, y+img.OffsetY)
}
func (portal *Portal) convertToWebP(img []byte) ([]byte, error) {
decodedImg, _, err := image.Decode(bytes.NewReader(img))
if err != nil {
return img, fmt.Errorf("failed to decode image: %w", err)
}
bounds := decodedImg.Bounds()
width, height := bounds.Dx(), bounds.Dy()
if width != height {
paddedImg := &PaddedImage{
Image: decodedImg,
OffsetX: bounds.Min.Y,
OffsetY: bounds.Min.X,
}
if width > height {
paddedImg.Size = width
paddedImg.OffsetY -= (paddedImg.Size - height) / 2
} else {
paddedImg.Size = height
paddedImg.OffsetX -= (paddedImg.Size - width) / 2
}
decodedImg = paddedImg
}
var webpBuffer bytes.Buffer
if err = cwebp.Encode(&webpBuffer, decodedImg, nil); err != nil {
return img, fmt.Errorf("failed to encode webp image: %w", err)
}
return webpBuffer.Bytes(), nil
}
func (portal *Portal) preprocessMatrixMedia(ctx context.Context, sender *User, relaybotFormatted bool, content *event.MessageEventContent, eventID id.EventID, mediaType whatsmeow.MediaType) (*MediaUpload, error) {
fileName := content.Body
var caption string
var mentionedJIDs []string
var hasHTMLCaption bool
isSticker := string(content.MsgType) == event.EventSticker.Type
if content.FileName != "" && content.Body != content.FileName {
fileName = content.FileName
caption = content.Body
hasHTMLCaption = content.Format == event.FormatHTML
}
if relaybotFormatted || hasHTMLCaption {
caption, mentionedJIDs = portal.bridge.Formatter.ParseMatrix(content.FormattedBody, content.Mentions)
}
var file *event.EncryptedFileInfo
rawMXC := content.URL
if content.File != nil {
file = content.File
rawMXC = file.URL
}
mxc, err := rawMXC.Parse()
if err != nil {
return nil, err
}
data, err := portal.MainIntent().DownloadBytes(ctx, mxc)
if err != nil {
return nil, exerrors.NewDualError(errMediaDownloadFailed, err)
}
if file != nil {
err = file.DecryptInPlace(data)
if err != nil {
return nil, exerrors.NewDualError(errMediaDecryptFailed, err)
}
}
mimeType := content.GetInfo().MimeType
if mimeType == "" {
content.Info.MimeType = "application/octet-stream"
}
var convertErr error
// Allowed mime types from https://developers.facebook.com/docs/whatsapp/on-premises/reference/media
switch {
case isSticker:
if mimeType != "image/webp" || content.Info.Width != content.Info.Height {
data, convertErr = portal.convertToWebP(data)
content.Info.MimeType = "image/webp"
}
case mediaType == whatsmeow.MediaVideo:
switch mimeType {
case "video/mp4", "video/3gpp":
// Allowed
case "image/gif":
data, convertErr = ffmpeg.ConvertBytes(ctx, data, ".mp4", []string{"-f", "gif"}, []string{
"-pix_fmt", "yuv420p", "-c:v", "libx264", "-movflags", "+faststart",
"-filter:v", "crop='floor(in_w/2)*2:floor(in_h/2)*2'",
}, mimeType)
content.Info.MimeType = "video/mp4"
case "video/webm":
data, convertErr = ffmpeg.ConvertBytes(ctx, data, ".mp4", []string{"-f", "webm"}, []string{
"-pix_fmt", "yuv420p", "-c:v", "libx264",
}, mimeType)
content.Info.MimeType = "video/mp4"
default:
return nil, fmt.Errorf("%w %q in video message", errMediaUnsupportedType, mimeType)
}
case mediaType == whatsmeow.MediaImage:
switch mimeType {
case "image/jpeg", "image/png":
// Allowed
case "image/webp":
data, convertErr = portal.convertWebPtoPNG(data)
content.Info.MimeType = "image/png"
default:
return nil, fmt.Errorf("%w %q in image message", errMediaUnsupportedType, mimeType)
}
case mediaType == whatsmeow.MediaAudio:
switch mimeType {
case "audio/aac", "audio/mp4", "audio/amr", "audio/mpeg", "audio/ogg; codecs=opus":
// Allowed
case "audio/ogg":
// Hopefully it's opus already
content.Info.MimeType = "audio/ogg; codecs=opus"
default:
return nil, fmt.Errorf("%w %q in audio message", errMediaUnsupportedType, mimeType)
}
case mediaType == whatsmeow.MediaDocument:
// Everything is allowed
}
if convertErr != nil {
if content.Info.MimeType != mimeType || data == nil {
return nil, exerrors.NewDualError(fmt.Errorf("%w (%s to %s)", errMediaConvertFailed, mimeType, content.Info.MimeType), convertErr)
} else {
// If the mime type didn't change and the errored conversion function returned the original data, just log a warning and continue
zerolog.Ctx(ctx).Warn().Err(convertErr).Str("source_mime", mimeType).Msg("Failed to re-encode media, continuing with original file")
}
}
var uploadResp whatsmeow.UploadResponse
if portal.Key.JID.Server == types.NewsletterServer {
uploadResp, err = sender.Client.UploadNewsletter(ctx, data, mediaType)
} else {
uploadResp, err = sender.Client.Upload(ctx, data, mediaType)
}
if err != nil {
return nil, exerrors.NewDualError(errMediaWhatsAppUploadFailed, err)
}
// Audio doesn't have thumbnails
var thumbnail []byte
if mediaType != whatsmeow.MediaAudio {
thumbnail, err = portal.downloadThumbnail(ctx, data, content.GetInfo().ThumbnailURL, eventID, isSticker)
// Ignore format errors for non-image files, we don't care about those thumbnails
if err != nil && (!errors.Is(err, image.ErrFormat) || mediaType == whatsmeow.MediaImage) {
zerolog.Ctx(ctx).Warn().Err(err).Msg("Failed to generate thumbnail for image message")
}
}
return &MediaUpload{
UploadResponse: uploadResp,
FileName: fileName,
Caption: caption,
MentionedJIDs: mentionedJIDs,
Thumbnail: thumbnail,
FileLength: len(data),
}, nil
}
type MediaUpload struct {
whatsmeow.UploadResponse
Caption string
FileName string
MentionedJIDs []string
Thumbnail []byte
FileLength int
}
func (portal *Portal) addRelaybotFormat(ctx context.Context, userID id.UserID, content *event.MessageEventContent) bool {
member := portal.MainIntent().Member(ctx, portal.MXID, userID)
if member == nil {
member = &event.MemberEventContent{}
}
content.EnsureHasHTML()
data, err := portal.bridge.Config.Bridge.Relay.FormatMessage(content, userID, *member)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to apply relaybot format")
}
content.FormattedBody = data
return true
}
func addCodecToMime(mimeType, codec string) string {
mediaType, params, err := mime.ParseMediaType(mimeType)
if err != nil {
return mimeType
}
if _, ok := params["codecs"]; !ok {
params["codecs"] = codec
}
return mime.FormatMediaType(mediaType, params)
}
func parseGeoURI(uri string) (lat, long float64, err error) {
if !strings.HasPrefix(uri, "geo:") {
err = fmt.Errorf("uri doesn't have geo: prefix")
return
}
// Remove geo: prefix and anything after ;
coordinates := strings.Split(strings.TrimPrefix(uri, "geo:"), ";")[0]
if splitCoordinates := strings.Split(coordinates, ","); len(splitCoordinates) != 2 {
err = fmt.Errorf("didn't find exactly two numbers separated by a comma")
} else if lat, err = strconv.ParseFloat(splitCoordinates[0], 64); err != nil {
err = fmt.Errorf("latitude is not a number: %w", err)
} else if long, err = strconv.ParseFloat(splitCoordinates[1], 64); err != nil {
err = fmt.Errorf("longitude is not a number: %w", err)
}
return
}
func getUnstableWaveform(content map[string]interface{}) []byte {
audioInfo, ok := content["org.matrix.msc1767.audio"].(map[string]interface{})
if !ok {
return nil
}
waveform, ok := audioInfo["waveform"].([]interface{})
if !ok {
return nil
}
output := make([]byte, len(waveform))
var val float64
for i, part := range waveform {
val, ok = part.(float64)
if ok {
output[i] = byte(val / 4)
}
}
return output
}
var (
TypeMSC3381PollStart = event.Type{Class: event.MessageEventType, Type: "org.matrix.msc3381.poll.start"}
TypeMSC3381PollResponse = event.Type{Class: event.MessageEventType, Type: "org.matrix.msc3381.poll.response"}
TypeMSC3381V2PollResponse = event.Type{Class: event.MessageEventType, Type: "org.matrix.msc3381.v2.poll.response"}
)
type PollResponseContent struct {
RelatesTo event.RelatesTo `json:"m.relates_to"`
V1Response struct {
Answers []string `json:"answers"`
} `json:"org.matrix.msc3381.poll.response"`
V2Selections []string `json:"org.matrix.msc3381.v2.selections"`
}
func (content *PollResponseContent) GetRelatesTo() *event.RelatesTo {
return &content.RelatesTo
}
func (content *PollResponseContent) OptionalGetRelatesTo() *event.RelatesTo {
if content.RelatesTo.Type == "" {
return nil
}
return &content.RelatesTo
}
func (content *PollResponseContent) SetRelatesTo(rel *event.RelatesTo) {
content.RelatesTo = *rel
}
type MSC1767Message struct {
Text string `json:"org.matrix.msc1767.text,omitempty"`
HTML string `json:"org.matrix.msc1767.html,omitempty"`
Message []struct {
MimeType string `json:"mimetype"`
Body string `json:"body"`
} `json:"org.matrix.msc1767.message,omitempty"`
}
func (portal *Portal) msc1767ToWhatsApp(msg MSC1767Message, mentions bool) (string, []string) {
for _, part := range msg.Message {
if part.MimeType == "text/html" && msg.HTML == "" {
msg.HTML = part.Body
} else if part.MimeType == "text/plain" && msg.Text == "" {
msg.Text = part.Body
}
}
if msg.HTML != "" {
if mentions {
return portal.bridge.Formatter.ParseMatrix(msg.HTML, nil)
} else {
return portal.bridge.Formatter.ParseMatrixWithoutMentions(msg.HTML), nil
}
}
return msg.Text, nil
}
type PollStartContent struct {
RelatesTo *event.RelatesTo `json:"m.relates_to"`
PollStart struct {
Kind string `json:"kind"`
MaxSelections int `json:"max_selections"`
Question MSC1767Message `json:"question"`
Answers []struct {
ID string `json:"id"`
MSC1767Message
} `json:"answers"`
} `json:"org.matrix.msc3381.poll.start"`
}
func (content *PollStartContent) GetRelatesTo() *event.RelatesTo {
if content.RelatesTo == nil {
content.RelatesTo = &event.RelatesTo{}
}
return content.RelatesTo
}
func (content *PollStartContent) OptionalGetRelatesTo() *event.RelatesTo {
return content.RelatesTo
}
func (content *PollStartContent) SetRelatesTo(rel *event.RelatesTo) {
content.RelatesTo = rel
}
func init() {
event.TypeMap[TypeMSC3381PollResponse] = reflect.TypeOf(PollResponseContent{})
event.TypeMap[TypeMSC3381V2PollResponse] = reflect.TypeOf(PollResponseContent{})
event.TypeMap[TypeMSC3381PollStart] = reflect.TypeOf(PollStartContent{})
}
func (portal *Portal) convertMatrixPollVote(ctx context.Context, sender *User, evt *event.Event) (*waProto.Message, *User, *extraConvertMeta, error) {
content, ok := evt.Content.Parsed.(*PollResponseContent)
if !ok {
return nil, sender, nil, fmt.Errorf("%w %T", errUnexpectedParsedContentType, evt.Content.Parsed)
}
var answers []string
if content.V1Response.Answers != nil {
answers = content.V1Response.Answers
} else if content.V2Selections != nil {
answers = content.V2Selections
}
log := zerolog.Ctx(ctx)
pollMsg, err := portal.bridge.DB.Message.GetByMXID(ctx, content.RelatesTo.EventID)
if err != nil {
log.Err(err).Msg("Failed to get poll message from database")
return nil, sender, nil, fmt.Errorf("failed to get poll message")
} else if pollMsg == nil {
return nil, sender, nil, errTargetNotFound
}
pollMsgInfo := &types.MessageInfo{
MessageSource: types.MessageSource{
Chat: portal.Key.JID,
Sender: pollMsg.Sender,
IsFromMe: pollMsg.Sender.User == sender.JID.User,
IsGroup: portal.IsGroupChat(),
},
ID: pollMsg.JID,
Type: "poll",
}
optionHashes := make([][]byte, 0, len(answers))
if pollMsg.Type == database.MsgMatrixPoll {
mappedAnswers, err := pollMsg.GetPollOptionHashes(ctx, answers)
if err != nil {
log.Err(err).Msg("Failed to get poll option hashes from database")
return nil, sender, nil, fmt.Errorf("failed to get poll option hashes")
}
for _, selection := range answers {
hash, ok := mappedAnswers[selection]
if ok {
optionHashes = append(optionHashes, hash[:])
} else {
log.Warn().Str("option", selection).Msg("Didn't find hash for selected option")
}
}
} else {
for _, selection := range answers {
hash, _ := hex.DecodeString(selection)
if hash != nil && len(hash) == 32 {
optionHashes = append(optionHashes, hash)
}
}
}
pollUpdate, err := sender.Client.EncryptPollVote(pollMsgInfo, &waProto.PollVoteMessage{
SelectedOptions: optionHashes,
})
return &waProto.Message{PollUpdateMessage: pollUpdate}, sender, nil, err
}
func (portal *Portal) convertMatrixPollStart(ctx context.Context, sender *User, evt *event.Event) (*waProto.Message, *User, *extraConvertMeta, error) {
content, ok := evt.Content.Parsed.(*PollStartContent)
if !ok {
return nil, sender, nil, fmt.Errorf("%w %T", errUnexpectedParsedContentType, evt.Content.Parsed)
}
maxAnswers := content.PollStart.MaxSelections
if maxAnswers >= len(content.PollStart.Answers) || maxAnswers < 0 {
maxAnswers = 0
}
ctxInfo := portal.generateContextInfo(ctx, content.RelatesTo)
var question string
question, ctxInfo.MentionedJid = portal.msc1767ToWhatsApp(content.PollStart.Question, true)
if len(question) == 0 {
return nil, sender, nil, errPollMissingQuestion
}
options := make([]*waProto.PollCreationMessage_Option, len(content.PollStart.Answers))
optionMap := make(map[[32]byte]string, len(options))
for i, opt := range content.PollStart.Answers {
body, _ := portal.msc1767ToWhatsApp(opt.MSC1767Message, false)
hash := sha256.Sum256([]byte(body))
if _, alreadyExists := optionMap[hash]; alreadyExists {
zerolog.Ctx(ctx).Warn().Str("option", body).Msg("Poll has duplicate options, rejecting")
return nil, sender, nil, errPollDuplicateOption
}
optionMap[hash] = opt.ID
options[i] = &waProto.PollCreationMessage_Option{
OptionName: proto.String(body),
}
}
secret := make([]byte, 32)
_, err := rand.Read(secret)
return &waProto.Message{
PollCreationMessage: &waProto.PollCreationMessage{
Name: proto.String(question),
Options: options,
SelectableOptionsCount: proto.Uint32(uint32(maxAnswers)),
ContextInfo: ctxInfo,
},
MessageContextInfo: &waProto.MessageContextInfo{
MessageSecret: secret,
},
}, sender, &extraConvertMeta{PollOptions: optionMap}, err
}
func (portal *Portal) generateContextInfo(ctx context.Context, relatesTo *event.RelatesTo) *waProto.ContextInfo {
var ctxInfo waProto.ContextInfo
replyToID := relatesTo.GetReplyTo()
if len(replyToID) > 0 {
replyToMsg, err := portal.bridge.DB.Message.GetByMXID(ctx, replyToID)
if err != nil {
zerolog.Ctx(ctx).Err(err).
Stringer("reply_to_mxid", replyToID).
Msg("Failed to get reply target from database")
}
if replyToMsg != nil && !replyToMsg.IsFakeJID() && (replyToMsg.Type == database.MsgNormal || replyToMsg.Type == database.MsgMatrixPoll || replyToMsg.Type == database.MsgBeeperGallery) {
ctxInfo.StanzaId = &replyToMsg.JID
ctxInfo.Participant = proto.String(replyToMsg.Sender.ToNonAD().String())
// Using blank content here seems to work fine on all official WhatsApp apps.
//
// We could probably invent a slightly more accurate version of the quoted message
// by fetching the Matrix event and converting it to the WhatsApp format, but that's
// a lot of work and this works fine.
ctxInfo.QuotedMessage = &waProto.Message{Conversation: proto.String("")}
}
}
if portal.ExpirationTime != 0 {
ctxInfo.Expiration = proto.Uint32(portal.ExpirationTime)
}
return &ctxInfo
}
type extraConvertMeta struct {
PollOptions map[[32]byte]string
EditRootMsg *database.Message
GalleryExtraParts []*waProto.Message
MediaHandle string
}
func getEditError(rootMsg *database.Message, editer *User) error {
switch {
case rootMsg == nil:
return errEditUnknownTarget
case rootMsg.Type != database.MsgNormal || rootMsg.IsFakeJID():
return errEditUnknownTargetType
case rootMsg.Sender.User != editer.JID.User:
return errEditDifferentSender
case time.Since(rootMsg.Timestamp) > whatsmeow.EditWindow:
return errEditTooOld
default:
return nil
}
}
func (portal *Portal) convertMatrixMessage(ctx context.Context, sender *User, evt *event.Event) (*waProto.Message, *User, *extraConvertMeta, error) {
if evt.Type == TypeMSC3381PollResponse || evt.Type == TypeMSC3381V2PollResponse {
return portal.convertMatrixPollVote(ctx, sender, evt)
} else if evt.Type == TypeMSC3381PollStart {
return portal.convertMatrixPollStart(ctx, sender, evt)
}
content, ok := evt.Content.Parsed.(*event.MessageEventContent)
if !ok {
return nil, sender, nil, fmt.Errorf("%w %T", errUnexpectedParsedContentType, evt.Content.Parsed)
}
extraMeta := &extraConvertMeta{}
realSenderMXID := sender.MXID
isRelay := false
if !sender.IsLoggedIn() || (portal.IsPrivateChat() && sender.JID.User != portal.Key.Receiver.User) {
if !portal.HasRelaybot() {
return nil, sender, extraMeta, errUserNotLoggedIn
}
sender = portal.GetRelayUser()
if !sender.IsLoggedIn() {
return nil, sender, extraMeta, errRelaybotNotLoggedIn
}
isRelay = true
}
log := zerolog.Ctx(ctx)
var editRootMsg *database.Message
if editEventID := content.RelatesTo.GetReplaceID(); editEventID != "" {
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Stringer("edit_target_mxid", editEventID)
})
var err error
editRootMsg, err = portal.bridge.DB.Message.GetByMXID(ctx, editEventID)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to get edit target message from database")
return nil, sender, extraMeta, errEditUnknownTarget
} else if editErr := getEditError(editRootMsg, sender); editErr != nil {
return nil, sender, extraMeta, editErr
}
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Str("edit_target_id", editRootMsg.JID)
})
extraMeta.EditRootMsg = editRootMsg
if content.NewContent != nil {
content = content.NewContent
}
}
msg := &waProto.Message{}
ctxInfo := portal.generateContextInfo(ctx, content.RelatesTo)
relaybotFormatted := isRelay && portal.addRelaybotFormat(ctx, realSenderMXID, content)
if evt.Type == event.EventSticker {
if relaybotFormatted {
// Stickers can't have captions, so force relaybot stickers to be images
content.MsgType = event.MsgImage
} else {
content.MsgType = event.MessageType(event.EventSticker.Type)
}
}
if content.MsgType == event.MsgImage && content.GetInfo().MimeType == "image/gif" {
content.MsgType = event.MsgVideo
}
if content.MsgType == event.MsgAudio && content.FileName != "" && content.Body != content.FileName {
// Send audio messages with captions as files since WhatsApp doesn't support captions on audio messages
content.MsgType = event.MsgFile
}
switch content.MsgType {
case event.MsgText, event.MsgEmote, event.MsgNotice:
text := content.Body
if content.MsgType == event.MsgNotice && !portal.bridge.Config.Bridge.BridgeNotices {
return nil, sender, extraMeta, errMNoticeDisabled
}
if content.Format == event.FormatHTML {
text, ctxInfo.MentionedJid = portal.bridge.Formatter.ParseMatrix(content.FormattedBody, content.Mentions)
}
if content.MsgType == event.MsgEmote && !relaybotFormatted {
text = "/me " + text
}
msg.ExtendedTextMessage = &waProto.ExtendedTextMessage{
Text: &text,
ContextInfo: ctxInfo,
}
hasPreview := portal.convertURLPreviewToWhatsApp(ctx, sender, content, msg.ExtendedTextMessage)
if ctx.Err() != nil {
return nil, sender, extraMeta, ctx.Err()
}
if ctxInfo.StanzaId == nil && ctxInfo.MentionedJid == nil && ctxInfo.Expiration == nil && !hasPreview {
// No need for extended message
msg.ExtendedTextMessage = nil
msg.Conversation = &text
}
case event.MsgImage:
media, err := portal.preprocessMatrixMedia(ctx, sender, relaybotFormatted, content, evt.ID, whatsmeow.MediaImage)
if media == nil {
return nil, sender, extraMeta, err
}
extraMeta.MediaHandle = media.Handle
ctxInfo.MentionedJid = media.MentionedJIDs
msg.ImageMessage = &waProto.ImageMessage{
ContextInfo: ctxInfo,
Caption: &media.Caption,
JpegThumbnail: media.Thumbnail,
Url: &media.URL,
DirectPath: &media.DirectPath,
MediaKey: media.MediaKey,
Mimetype: &content.GetInfo().MimeType,
FileEncSha256: media.FileEncSHA256,
FileSha256: media.FileSHA256,
FileLength: proto.Uint64(uint64(media.FileLength)),
}
case event.MsgBeeperGallery:
if isRelay {
return nil, sender, extraMeta, errGalleryRelay
} else if content.BeeperGalleryCaption != "" {
return nil, sender, extraMeta, errGalleryCaption
} else if portal.Key.JID.Server == types.NewsletterServer {
// We don't handle the media handles properly for multiple messages
return nil, sender, extraMeta, fmt.Errorf("can't send gallery to newsletter")
}
for i, part := range content.BeeperGalleryImages {
// TODO support videos
media, err := portal.preprocessMatrixMedia(ctx, sender, false, part, evt.ID, whatsmeow.MediaImage)
if media == nil {
return nil, sender, extraMeta, fmt.Errorf("failed to handle image #%d: %w", i+1, err)
}
imageMsg := &waProto.ImageMessage{
ContextInfo: ctxInfo,
JpegThumbnail: media.Thumbnail,
Url: &media.URL,
DirectPath: &media.DirectPath,
MediaKey: media.MediaKey,
Mimetype: &part.GetInfo().MimeType,
FileEncSha256: media.FileEncSHA256,
FileSha256: media.FileSHA256,
FileLength: proto.Uint64(uint64(media.FileLength)),
}
if i == 0 {
msg.ImageMessage = imageMsg
} else {
extraMeta.GalleryExtraParts = append(extraMeta.GalleryExtraParts, &waProto.Message{
ImageMessage: imageMsg,
})
}
}
case event.MessageType(event.EventSticker.Type):
media, err := portal.preprocessMatrixMedia(ctx, sender, relaybotFormatted, content, evt.ID, whatsmeow.MediaImage)
if media == nil {
return nil, sender, extraMeta, err
}
extraMeta.MediaHandle = media.Handle
ctxInfo.MentionedJid = media.MentionedJIDs
msg.StickerMessage = &waProto.StickerMessage{
ContextInfo: ctxInfo,
PngThumbnail: media.Thumbnail,
Url: &media.URL,
DirectPath: &media.DirectPath,
MediaKey: media.MediaKey,
Mimetype: &content.GetInfo().MimeType,
FileEncSha256: media.FileEncSHA256,
FileSha256: media.FileSHA256,
FileLength: proto.Uint64(uint64(media.FileLength)),
}
case event.MsgVideo:
gifPlayback := content.GetInfo().MimeType == "image/gif"
media, err := portal.preprocessMatrixMedia(ctx, sender, relaybotFormatted, content, evt.ID, whatsmeow.MediaVideo)
if media == nil {
return nil, sender, extraMeta, err
}
duration := uint32(content.GetInfo().Duration / 1000)
extraMeta.MediaHandle = media.Handle
ctxInfo.MentionedJid = media.MentionedJIDs
msg.VideoMessage = &waProto.VideoMessage{
ContextInfo: ctxInfo,
Caption: &media.Caption,
JpegThumbnail: media.Thumbnail,
Url: &media.URL,
DirectPath: &media.DirectPath,
MediaKey: media.MediaKey,
Mimetype: &content.GetInfo().MimeType,
GifPlayback: &gifPlayback,
Seconds: &duration,
FileEncSha256: media.FileEncSHA256,
FileSha256: media.FileSHA256,
FileLength: proto.Uint64(uint64(media.FileLength)),
}
case event.MsgAudio:
media, err := portal.preprocessMatrixMedia(ctx, sender, relaybotFormatted, content, evt.ID, whatsmeow.MediaAudio)
if media == nil {
return nil, sender, extraMeta, err
}
extraMeta.MediaHandle = media.Handle
duration := uint32(content.GetInfo().Duration / 1000)
msg.AudioMessage = &waProto.AudioMessage{
ContextInfo: ctxInfo,
Url: &media.URL,
DirectPath: &media.DirectPath,
MediaKey: media.MediaKey,
Mimetype: &content.GetInfo().MimeType,
Seconds: &duration,
FileEncSha256: media.FileEncSHA256,
FileSha256: media.FileSHA256,
FileLength: proto.Uint64(uint64(media.FileLength)),
}
_, isMSC3245Voice := evt.Content.Raw["org.matrix.msc3245.voice"]
if isMSC3245Voice {
msg.AudioMessage.Waveform = getUnstableWaveform(evt.Content.Raw)
msg.AudioMessage.Ptt = proto.Bool(true)
// hacky hack to add the codecs param that whatsapp seems to require
msg.AudioMessage.Mimetype = proto.String(addCodecToMime(content.GetInfo().MimeType, "opus"))
}
case event.MsgFile:
media, err := portal.preprocessMatrixMedia(ctx, sender, relaybotFormatted, content, evt.ID, whatsmeow.MediaDocument)
if media == nil {
return nil, sender, extraMeta, err
}
extraMeta.MediaHandle = media.Handle
msg.DocumentMessage = &waProto.DocumentMessage{
ContextInfo: ctxInfo,
Caption: &media.Caption,
JpegThumbnail: media.Thumbnail,
Url: &media.URL,
DirectPath: &media.DirectPath,
Title: &media.FileName,
FileName: &media.FileName,
MediaKey: media.MediaKey,
Mimetype: &content.GetInfo().MimeType,
FileEncSha256: media.FileEncSHA256,
FileSha256: media.FileSHA256,
FileLength: proto.Uint64(uint64(media.FileLength)),
}
if media.Caption != "" {
msg.DocumentWithCaptionMessage = &waProto.FutureProofMessage{
Message: &waProto.Message{
DocumentMessage: msg.DocumentMessage,
},
}
msg.DocumentMessage = nil
}
case event.MsgLocation:
lat, long, err := parseGeoURI(content.GeoURI)
if err != nil {
return nil, sender, extraMeta, fmt.Errorf("%w: %v", errInvalidGeoURI, err)
}
msg.LocationMessage = &waProto.LocationMessage{
DegreesLatitude: &lat,
DegreesLongitude: &long,
Comment: &content.Body,
ContextInfo: ctxInfo,
}
default:
return nil, sender, extraMeta, fmt.Errorf("%w %q", errUnknownMsgType, content.MsgType)
}
if editRootMsg != nil {
msg = &waProto.Message{
EditedMessage: &waProto.FutureProofMessage{
Message: &waProto.Message{
ProtocolMessage: &waProto.ProtocolMessage{
Key: &waProto.MessageKey{
FromMe: proto.Bool(true),
Id: proto.String(editRootMsg.JID),
RemoteJid: proto.String(portal.Key.JID.String()),
},
Type: waProto.ProtocolMessage_MESSAGE_EDIT.Enum(),
EditedMessage: msg,
TimestampMs: proto.Int64(evt.Timestamp),
},
},
},
}
}
return msg, sender, extraMeta, nil
}
func (portal *Portal) generateMessageInfo(sender *User) *types.MessageInfo {
return &types.MessageInfo{
ID: sender.Client.GenerateMessageID(),
Timestamp: time.Now(),
MessageSource: types.MessageSource{
Sender: sender.JID,
Chat: portal.Key.JID,
IsFromMe: true,
IsGroup: portal.Key.JID.Server == types.GroupServer || portal.Key.JID.Server == types.BroadcastServer,
},
}
}
func (portal *Portal) HandleMatrixMessage(ctx context.Context, sender *User, evt *event.Event, timings messageTimings) {
start := time.Now()
ms := metricSender{portal: portal, timings: &timings}
log := zerolog.Ctx(ctx)
allowRelay := evt.Type != TypeMSC3381PollResponse && evt.Type != TypeMSC3381V2PollResponse && evt.Type != TypeMSC3381PollStart
if err := portal.canBridgeFrom(sender, allowRelay, true); err != nil {
go ms.sendMessageMetrics(ctx, evt, err, "Ignoring", true)
return
} else if portal.Key.JID == types.StatusBroadcastJID && portal.bridge.Config.Bridge.DisableStatusBroadcastSend {
go ms.sendMessageMetrics(ctx, evt, errBroadcastSendDisabled, "Ignoring", true)
return
}
messageAge := timings.totalReceive
origEvtID := evt.ID
var dbMsg *database.Message
if retryMeta := evt.Content.AsMessage().MessageSendRetry; retryMeta != nil {
origEvtID = retryMeta.OriginalEventID
var err error
logEvt := log.Debug().
Dur("message_age", messageAge).
Int("retry_count", retryMeta.RetryCount).
Stringer("orig_event_id", origEvtID)
dbMsg, err = portal.bridge.DB.Message.GetByMXID(ctx, origEvtID)
if err != nil {
log.Err(err).Msg("Failed to get retry request target message from database")
// TODO drop message?
} else if dbMsg != nil && dbMsg.Sent {
logEvt.
Str("wa_message_id", dbMsg.JID).
Msg("Ignoring retry request as message was already sent")
go ms.sendMessageMetrics(ctx, evt, nil, "", true)
return
} else if dbMsg != nil {
logEvt.
Str("wa_message_id", dbMsg.JID).
Msg("Got retry request for message")
} else {
logEvt.Msg("Got retry request for message, but original message is not known")
}
} else {
log.Debug().Dur("message_age", messageAge).Msg("Received Matrix message")
}
errorAfter := portal.bridge.Config.Bridge.MessageHandlingTimeout.ErrorAfter
deadline := portal.bridge.Config.Bridge.MessageHandlingTimeout.Deadline
isScheduled, _ := evt.Content.Raw["com.beeper.scheduled"].(bool)
if isScheduled {
log.Debug().Msg("Message is a scheduled message, extending handling timeouts")
errorAfter *= 10
deadline *= 10
}
if errorAfter > 0 {
remainingTime := errorAfter - messageAge
if remainingTime < 0 {
go ms.sendMessageMetrics(ctx, evt, errTimeoutBeforeHandling, "Timeout handling", true)
return
} else if remainingTime < 1*time.Second {
log.Warn().
Dur("remaining_timeout", remainingTime).
Dur("warning_total_timeout", errorAfter).
Msg("Message was delayed before reaching the bridge")
}
go func() {
time.Sleep(remainingTime)
ms.sendMessageMetrics(ctx, evt, errMessageTakingLong, "Timeout handling", false)
}()
}
timedCtx := ctx
if deadline > 0 {
var cancel context.CancelFunc
timedCtx, cancel = context.WithTimeout(ctx, deadline)
defer cancel()
}
timings.preproc = time.Since(start)
start = time.Now()
msg, sender, extraMeta, err := portal.convertMatrixMessage(timedCtx, sender, evt)
timings.convert = time.Since(start)
if msg == nil {
go ms.sendMessageMetrics(ctx, evt, err, "Error converting", true)
return
}
if extraMeta == nil {
extraMeta = &extraConvertMeta{}
}
dbMsgType := database.MsgNormal
if msg.PollCreationMessage != nil || msg.PollCreationMessageV2 != nil || msg.PollCreationMessageV3 != nil {
dbMsgType = database.MsgMatrixPoll
} else if msg.EditedMessage == nil {
portal.MarkDisappearing(ctx, origEvtID, time.Duration(portal.ExpirationTime)*time.Second, time.Now())
} else {
dbMsgType = database.MsgEdit
}
info := portal.generateMessageInfo(sender)
if dbMsg == nil {
dbMsg = portal.markHandled(ctx, nil, info, evt.ID, evt.Sender, false, true, dbMsgType, 0, database.MsgNoError)
} else {
info.ID = dbMsg.JID
}
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Str("wa_message_id", info.ID)
})
if dbMsgType == database.MsgMatrixPoll && extraMeta.PollOptions != nil {
err = dbMsg.PutPollOptions(ctx, extraMeta.PollOptions)
if err != nil {
log.Err(err).Msg("Failed to save poll options in message to database")
}
}
log.Debug().Msg("Sending Matrix event to WhatsApp")
start = time.Now()
resp, err := sender.Client.SendMessage(timedCtx, portal.Key.JID, msg, whatsmeow.SendRequestExtra{
ID: info.ID,
MediaHandle: extraMeta.MediaHandle,
})
timings.totalSend = time.Since(start)
timings.whatsmeow = resp.DebugTimings
if err != nil {
go ms.sendMessageMetrics(ctx, evt, err, "Error sending", true)
return
}
err = dbMsg.MarkSent(ctx, resp.Timestamp)
if err != nil {
log.Err(err).Msg("Failed to mark message as sent in database")
}
if extraMeta != nil && len(extraMeta.GalleryExtraParts) > 0 {
for i, part := range extraMeta.GalleryExtraParts {
partInfo := portal.generateMessageInfo(sender)
partDBMsg := portal.markHandled(ctx, nil, partInfo, evt.ID, evt.Sender, false, true, database.MsgBeeperGallery, i+1, database.MsgNoError)
log.Debug().Int("part_index", i+1).Str("wa_part_message_id", partInfo.ID).Msg("Sending gallery part to WhatsApp")
resp, err = sender.Client.SendMessage(timedCtx, portal.Key.JID, part, whatsmeow.SendRequestExtra{ID: partInfo.ID})
if err != nil {
go ms.sendMessageMetrics(ctx, evt, err, "Error sending", true)
return
}
log.Debug().Int("part_index", i+1).Str("wa_part_message_id", partInfo.ID).Msg("Sent gallery part to WhatsApp")
err = partDBMsg.MarkSent(ctx, resp.Timestamp)
if err != nil {
log.Err(err).
Str("part_id", partInfo.ID).
Msg("Failed to mark gallery extra part as sent in database")
}
}
}
go ms.sendMessageMetrics(ctx, evt, nil, "", true)
}
func (portal *Portal) HandleMatrixReaction(ctx context.Context, sender *User, evt *event.Event) {
log := zerolog.Ctx(ctx)
if err := portal.canBridgeFrom(sender, false, true); err != nil {
go portal.sendMessageMetrics(ctx, evt, err, "Ignoring", nil)
return
} else if portal.Key.JID.Server == types.BroadcastServer {
// TODO implement this, probably by only sending the reaction to the sender of the status message?
// (whatsapp hasn't published the feature yet)
go portal.sendMessageMetrics(ctx, evt, errBroadcastReactionNotSupported, "Ignoring", nil)
return
}
content, ok := evt.Content.Parsed.(*event.ReactionEventContent)
if ok && strings.Contains(content.RelatesTo.Key, "retry") || strings.HasPrefix(content.RelatesTo.Key, "\u267b") { // ♻️
if retryRequested, _ := portal.requestMediaRetry(ctx, sender, content.RelatesTo.EventID, nil); retryRequested {
_, _ = portal.MainIntent().RedactEvent(ctx, portal.MXID, evt.ID, mautrix.ReqRedact{
Reason: "requested media from phone",
})
// Errored media, don't try to send as reaction
return
}
}
log.Debug().Msg("Received Matrix reaction event")
err := portal.handleMatrixReaction(ctx, sender, evt)
go portal.sendMessageMetrics(ctx, evt, err, "Error sending", nil)
}
func (portal *Portal) handleMatrixReaction(ctx context.Context, sender *User, evt *event.Event) error {
log := zerolog.Ctx(ctx)
content, ok := evt.Content.Parsed.(*event.ReactionEventContent)
if !ok {
return fmt.Errorf("unexpected parsed content type %T", evt.Content.Parsed)
}
log.UpdateContext(func(c zerolog.Context) zerolog.Context {
return c.Stringer("target_event_id", content.RelatesTo.EventID)
})
target, err := portal.bridge.DB.Message.GetByMXID(ctx, content.RelatesTo.EventID)
if err != nil {
log.Err(err).Msg("Failed to get target message from database")
return fmt.Errorf("failed to get target event")
} else if target == nil || target.Type == database.MsgReaction {
return fmt.Errorf("unknown target event %s", content.RelatesTo.EventID)
}
info := portal.generateMessageInfo(sender)
dbMsg := portal.markHandled(ctx, nil, info, evt.ID, evt.Sender, false, true, database.MsgReaction, 0, database.MsgNoError)
portal.upsertReaction(ctx, nil, target.JID, sender.JID, evt.ID, info.ID)
log.Debug().Str("whatsapp_reaction_id", info.ID).Msg("Sending Matrix reaction to WhatsApp")
resp, err := portal.sendReactionToWhatsApp(sender, info.ID, target, content.RelatesTo.Key, evt.Timestamp)
if err == nil {
err = dbMsg.MarkSent(ctx, resp.Timestamp)
}
return err
}
func (portal *Portal) sendReactionToWhatsApp(sender *User, id types.MessageID, target *database.Message, key string, timestamp int64) (whatsmeow.SendResponse, error) {
var messageKeyParticipant *string
if !portal.IsPrivateChat() {
messageKeyParticipant = proto.String(target.Sender.ToNonAD().String())
}
key = variationselector.Remove(key)
ctx, cancel := context.WithTimeout(context.TODO(), 60*time.Second)
defer cancel()
return sender.Client.SendMessage(ctx, portal.Key.JID, &waProto.Message{
ReactionMessage: &waProto.ReactionMessage{
Key: &waProto.MessageKey{
RemoteJid: proto.String(portal.Key.JID.String()),
FromMe: proto.Bool(target.Sender.User == sender.JID.User),
Id: proto.String(target.JID),
Participant: messageKeyParticipant,
},
Text: proto.String(key),
SenderTimestampMs: proto.Int64(timestamp),
},
}, whatsmeow.SendRequestExtra{ID: id})
}
func (portal *Portal) upsertReaction(ctx context.Context, intent *appservice.IntentAPI, targetJID types.MessageID, senderJID types.JID, mxid id.EventID, jid types.MessageID) {
log := zerolog.Ctx(ctx)
dbReaction, err := portal.bridge.DB.Reaction.GetByTargetJID(ctx, portal.Key, targetJID, senderJID)
if err != nil {
log.Err(err).Msg("Failed to get existing reaction from database for upsert")
return
}
if dbReaction == nil {
dbReaction = portal.bridge.DB.Reaction.New()
dbReaction.Chat = portal.Key
dbReaction.TargetJID = targetJID
dbReaction.Sender = senderJID
} else if intent != nil {
log.Debug().
Stringer("old_reaction_mxid", dbReaction.MXID).
Msg("Redacting old Matrix reaction after new one was sent")
if intent != nil {
_, err = intent.RedactEvent(ctx, portal.MXID, dbReaction.MXID)
}
if intent == nil || errors.Is(err, mautrix.MForbidden) {
_, err = portal.MainIntent().RedactEvent(ctx, portal.MXID, dbReaction.MXID)
}
if err != nil {
log.Err(err).
Stringer("old_reaction_mxid", dbReaction.MXID).
Msg("Failed to redact old reaction")
}
}
dbReaction.MXID = mxid
dbReaction.JID = jid
err = dbReaction.Upsert(ctx)
if err != nil {
log.Err(err).Msg("Failed to upsert reaction to database")
}
}
func (portal *Portal) HandleMatrixRedaction(ctx context.Context, sender *User, evt *event.Event) {
log := zerolog.Ctx(ctx)
if err := portal.canBridgeFrom(sender, true, true); err != nil {
go portal.sendMessageMetrics(ctx, evt, err, "Ignoring", nil)
return
}
log.Debug().Msg("Received Matrix redaction")
senderLogIdentifier := sender.MXID
if !sender.HasSession() {
sender = portal.GetRelayUser()
senderLogIdentifier += " (through relaybot)"
}
msg, err := portal.bridge.DB.Message.GetByMXID(ctx, evt.Redacts)
if err != nil {
log.Err(err).Msg("Failed to get redaction target event from database")
go portal.sendMessageMetrics(ctx, evt, errTargetNotFound, "Ignoring", nil)
} else if msg == nil {
go portal.sendMessageMetrics(ctx, evt, errTargetNotFound, "Ignoring", nil)
} else if msg.IsFakeJID() {
go portal.sendMessageMetrics(ctx, evt, errTargetIsFake, "Ignoring", nil)
} else if portal.Key.JID == types.StatusBroadcastJID && portal.bridge.Config.Bridge.DisableStatusBroadcastSend {
go portal.sendMessageMetrics(ctx, evt, errBroadcastSendDisabled, "Ignoring", nil)
} else if msg.Type == database.MsgReaction {
if msg.Sender.User != sender.JID.User {
go portal.sendMessageMetrics(ctx, evt, errReactionSentBySomeoneElse, "Ignoring", nil)
} else if reaction, err := portal.bridge.DB.Reaction.GetByMXID(ctx, evt.Redacts); err != nil {
log.Err(err).Msg("Failed to get target reaction from database")
go portal.sendMessageMetrics(ctx, evt, errReactionDatabaseNotFound, "Ignoring", nil)
} else if reaction == nil {
go portal.sendMessageMetrics(ctx, evt, errReactionDatabaseNotFound, "Ignoring", nil)
} else if reactionTarget, err := portal.bridge.DB.Message.GetByJID(ctx, reaction.Chat, reaction.TargetJID); err != nil {
log.Err(err).Msg("Failed to get target reaction's target message from database")
go portal.sendMessageMetrics(ctx, evt, errReactionTargetNotFound, "Ignoring", nil)
} else if reactionTarget == nil {
go portal.sendMessageMetrics(ctx, evt, errReactionTargetNotFound, "Ignoring", nil)
} else {
log.Debug().Str("reaction_target_message_id", msg.JID).Msg("Sending redaction of reaction to WhatsApp")
_, err = portal.sendReactionToWhatsApp(sender, "", reactionTarget, "", evt.Timestamp)
go portal.sendMessageMetrics(ctx, evt, err, "Error sending", nil)
}
} else {
key := &waProto.MessageKey{
FromMe: proto.Bool(true),
Id: proto.String(msg.JID),
RemoteJid: proto.String(portal.Key.JID.String()),
}
if msg.Sender.User != sender.JID.User {
if portal.IsPrivateChat() {
go portal.sendMessageMetrics(ctx, evt, errDMSentByOtherUser, "Ignoring", nil)
return
}
key.FromMe = proto.Bool(false)
key.Participant = proto.String(msg.Sender.ToNonAD().String())
}
log.Debug().Str("target_message_id", msg.JID).Msg("Sending redaction of message to WhatsApp")
timedCtx, cancel := context.WithTimeout(ctx, 60*time.Second)
defer cancel()
_, err = sender.Client.SendMessage(timedCtx, portal.Key.JID, &waProto.Message{
ProtocolMessage: &waProto.ProtocolMessage{
Type: waProto.ProtocolMessage_REVOKE.Enum(),
Key: key,
},
})
go portal.sendMessageMetrics(ctx, evt, err, "Error sending", nil)
}
}
func (portal *Portal) HandleMatrixReadReceipt(sender bridge.User, eventID id.EventID, receipt event.ReadReceipt) {
log := portal.zlog.With().
Str("action", "handle matrix read receipt").
Stringer("event_id", eventID).
Stringer("user_id", sender.GetMXID()).
Logger()
ctx := log.WithContext(context.TODO())
portal.handleMatrixReadReceipt(ctx, sender.(*User), eventID, receipt.Timestamp, true)
}
func (portal *Portal) handleMatrixReadReceipt(ctx context.Context, sender *User, eventID id.EventID, receiptTimestamp time.Time, isExplicit bool) {
log := zerolog.Ctx(ctx).With().
Stringer("sender_jid", sender.JID).
Logger()
if !sender.IsLoggedIn() {
if isExplicit {
log.Debug().Msg("Ignoring read receipt: user is not connected to WhatsApp")
}
return
}
maxTimestamp := receiptTimestamp
// Implicit read receipts don't have an event ID that's already bridged
if isExplicit {
if message, err := portal.bridge.DB.Message.GetByMXID(ctx, eventID); err != nil {
log.Err(err).Msg("Failed to get read receipt target message")
} else if message != nil {
maxTimestamp = message.Timestamp
}
}
prevTimestamp := sender.GetLastReadTS(ctx, portal.Key)
lastReadIsZero := false
if prevTimestamp.IsZero() {
prevTimestamp = maxTimestamp.Add(-2 * time.Second)
lastReadIsZero = true
}
messages, err := portal.bridge.DB.Message.GetMessagesBetween(ctx, portal.Key, prevTimestamp, maxTimestamp)
if err != nil {
log.Err(err).Msg("Failed to get messages that need receipts")
return
}
if len(messages) > 0 {
sender.SetLastReadTS(ctx, portal.Key, messages[len(messages)-1].Timestamp)
}
groupedMessages := make(map[types.JID][]types.MessageID)
for _, msg := range messages {
var key types.JID
if msg.IsFakeJID() || msg.Sender.User == sender.JID.User {
// Don't send read receipts for own messages or fake messages
continue
} else if !portal.IsPrivateChat() {
key = msg.Sender
} else if !msg.BroadcastListJID.IsEmpty() {
key = msg.BroadcastListJID
} // else: blank key (participant field isn't needed in direct chat read receipts)
groupedMessages[key] = append(groupedMessages[key], msg.JID)
}
// For explicit read receipts, log even if there are no targets. For implicit ones only log when there are targets
if len(groupedMessages) > 0 || isExplicit {
log.Debug().
Bool("explicit", isExplicit).
Time("last_read", prevTimestamp).
Bool("last_read_is_zero", lastReadIsZero).
Any("receipts", groupedMessages).
Msg("Sending read receipts to WhatsApp")
}
for messageSender, ids := range groupedMessages {
chatJID := portal.Key.JID
if messageSender.Server == types.BroadcastServer {
chatJID = messageSender
messageSender = portal.Key.JID
}
err = sender.Client.MarkRead(ids, receiptTimestamp, chatJID, messageSender)
if err != nil {
log.Err(err).
Array("message_ids", exzerolog.ArrayOfStrs(ids)).
Stringer("target_user_jid", messageSender).
Msg("Failed to send read receipt")
}
}
}
func typingDiff(prev, new []id.UserID) (started, stopped []id.UserID) {
OuterNew:
for _, userID := range new {
for _, previousUserID := range prev {
if userID == previousUserID {
continue OuterNew
}
}
started = append(started, userID)
}
OuterPrev:
for _, userID := range prev {
for _, previousUserID := range new {
if userID == previousUserID {
continue OuterPrev
}
}
stopped = append(stopped, userID)
}
return
}
func (portal *Portal) setTyping(userIDs []id.UserID, state types.ChatPresence) {
for _, userID := range userIDs {
user := portal.bridge.GetUserByMXIDIfExists(userID)
if user == nil || !user.IsLoggedIn() {
continue
}
portal.zlog.Debug().
Stringer("user_jid", user.JID).
Stringer("user_mxid", user.MXID).
Str("state", string(state)).
Msg("Bridging typing change to chat presence")
err := user.Client.SendChatPresence(portal.Key.JID, state, types.ChatPresenceMediaText)
if err != nil {
portal.zlog.Err(err).
Stringer("user_jid", user.JID).
Stringer("user_mxid", user.MXID).
Str("state", string(state)).
Msg("Failed to send chat presence")
}
if portal.bridge.Config.Bridge.SendPresenceOnTyping {
err = user.Client.SendPresence(types.PresenceAvailable)
if err != nil {
user.zlog.Warn().Err(err).Msg("Failed to set presence on typing")
}
}
}
}
func (portal *Portal) HandleMatrixTyping(newTyping []id.UserID) {
portal.currentlyTypingLock.Lock()
defer portal.currentlyTypingLock.Unlock()
startedTyping, stoppedTyping := typingDiff(portal.currentlyTyping, newTyping)
portal.currentlyTyping = newTyping
portal.setTyping(startedTyping, types.ChatPresenceComposing)
portal.setTyping(stoppedTyping, types.ChatPresencePaused)
}
func (portal *Portal) canBridgeFrom(sender *User, allowRelay, reconnectWait bool) error {
if !sender.IsLoggedIn() {
if allowRelay && portal.HasRelaybot() {
return nil
} else if sender.Session != nil {
return errUserNotConnected
} else if reconnectWait {
// If a message was received exactly during a disconnection, wait a second for the socket to reconnect
time.Sleep(1 * time.Second)
return portal.canBridgeFrom(sender, allowRelay, false)
} else {
return errUserNotLoggedIn
}
} else if portal.IsPrivateChat() && sender.JID.User != portal.Key.Receiver.User && (!allowRelay || !portal.HasRelaybot()) {
return errDifferentUser
}
return nil
}
func (portal *Portal) resetChildSpaceStatus() {
for _, childPortal := range portal.bridge.portalsByJID {
if childPortal.ParentGroup == portal.Key.JID {
if portal.MXID != "" && childPortal.InSpace {
go childPortal.removeSpaceParentEvent(portal.MXID)
}
childPortal.InSpace = false
if childPortal.parentPortal == portal {
childPortal.parentPortal = nil
}
}
}
}
func (portal *Portal) Delete(ctx context.Context) {
err := portal.Portal.Delete(ctx)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to delete portal from database")
}
portal.bridge.portalsLock.Lock()
delete(portal.bridge.portalsByJID, portal.Key)
if len(portal.MXID) > 0 {
delete(portal.bridge.portalsByMXID, portal.MXID)
}
portal.resetChildSpaceStatus()
portal.bridge.portalsLock.Unlock()
}
func (portal *Portal) GetMatrixUsers(ctx context.Context) ([]id.UserID, error) {
members, err := portal.MainIntent().JoinedMembers(ctx, portal.MXID)
if err != nil {
return nil, fmt.Errorf("failed to get member list: %w", err)
}
var users []id.UserID
for userID := range members.Joined {
_, isPuppet := portal.bridge.ParsePuppetMXID(userID)
if !isPuppet && userID != portal.bridge.Bot.UserID {
users = append(users, userID)
}
}
return users, nil
}
func (portal *Portal) CleanupIfEmpty(ctx context.Context) {
users, err := portal.GetMatrixUsers(ctx)
if err != nil {
zerolog.Ctx(ctx).Err(err).Msg("Failed to get Matrix user list to determine if portal needs to be cleaned up")
return
}
if len(users) == 0 {
zerolog.Ctx(ctx).Info().Msg("Room seems to be empty, cleaning up...")
portal.Delete(ctx)
portal.Cleanup(ctx, false)
}
}
func (portal *Portal) Cleanup(ctx context.Context, puppetsOnly bool) {
if len(portal.MXID) == 0 {
return
}
log := zerolog.Ctx(ctx)
intent := portal.MainIntent()
if portal.bridge.SpecVersions.Supports(mautrix.BeeperFeatureRoomYeeting) {
err := intent.BeeperDeleteRoom(ctx, portal.MXID)
if err == nil || errors.Is(err, mautrix.MNotFound) {
return
}
log.Warn().Err(err).Msg("Failed to delete room using beeper yeet endpoint, falling back to normal behavior")
}
members, err := intent.JoinedMembers(ctx, portal.MXID)
if err != nil {
log.Err(err).Msg("Failed to get portal members for cleanup")
return
}
for member := range members.Joined {
if member == intent.UserID {
continue
}
puppet := portal.bridge.GetPuppetByMXID(member)
if puppet != nil {
_, err = puppet.DefaultIntent().LeaveRoom(ctx, portal.MXID)
if err != nil {
log.Err(err).Stringer("puppet_mxid", puppet.MXID).Msg("Failed to leave room as puppet while cleaning up portal")
}
} else if !puppetsOnly {
_, err = intent.KickUser(ctx, portal.MXID, &mautrix.ReqKickUser{UserID: member, Reason: "Deleting portal"})
if err != nil {
log.Err(err).Stringer("user_mxid", member).Msg("Failed to kick user while cleaning up portal")
}
}
}
_, err = intent.LeaveRoom(ctx, portal.MXID)
if err != nil {
log.Err(err).Msg("Failed to leave room with main intent while cleaning up portal")
}
}
func (portal *Portal) HandleMatrixLeave(brSender bridge.User, evt *event.Event) {
log := portal.zlog.With().
Str("action", "handle matrix leave").
Stringer("event_id", evt.ID).
Stringer("user_id", brSender.GetMXID()).
Logger()
ctx := log.WithContext(context.TODO())
sender := brSender.(*User)
if portal.IsPrivateChat() {
log.Debug().Msg("User left private chat portal, cleaning up and deleting...")
portal.Delete(ctx)
portal.Cleanup(ctx, false)
return
} else if portal.bridge.Config.Bridge.BridgeMatrixLeave {
err := sender.Client.LeaveGroup(portal.Key.JID)
if err != nil {
log.Err(err).Msg("Failed to leave group")
return
}
//portal.log.Infoln("Leave response:", <-resp)
}
portal.CleanupIfEmpty(ctx)
}
func (portal *Portal) HandleMatrixKick(brSender bridge.User, brTarget bridge.Ghost, evt *event.Event) {
sender := brSender.(*User)
target := brTarget.(*Puppet)
_, err := sender.Client.UpdateGroupParticipants(portal.Key.JID, []types.JID{target.JID}, whatsmeow.ParticipantChangeRemove)
if err != nil {
portal.zlog.Err(err).
Stringer("kicked_by_mxid", sender.MXID).
Stringer("kicked_by_jid", sender.JID).
Stringer("target_jid", target.JID).
Msg("Failed to kick user from group")
return
}
//portal.log.Infoln("Kick %s response: %s", puppet.JID, <-resp)
}
func (portal *Portal) HandleMatrixInvite(brSender bridge.User, brTarget bridge.Ghost, evt *event.Event) {
sender := brSender.(*User)
target := brTarget.(*Puppet)
_, err := sender.Client.UpdateGroupParticipants(portal.Key.JID, []types.JID{target.JID}, whatsmeow.ParticipantChangeAdd)
if err != nil {
portal.zlog.Err(err).
Stringer("inviter_mxid", sender.MXID).
Stringer("inviter_jid", sender.JID).
Stringer("target_jid", target.JID).
Msg("Failed to add user to group")
return
}
//portal.log.Infofln("Add %s response: %s", puppet.JID, <-resp)
}
func (portal *Portal) HandleMatrixMeta(brSender bridge.User, evt *event.Event) {
sender := brSender.(*User)
if !sender.Whitelisted || !sender.IsLoggedIn() {
return
}
log := portal.zlog.With().
Str("action", "handle matrix metadata").
Str("event_type", evt.Type.Type).
Stringer("event_id", evt.ID).
Stringer("sender", sender.MXID).
Logger()
ctx := log.WithContext(context.TODO())
switch content := evt.Content.Parsed.(type) {
case *event.RoomNameEventContent:
if content.Name == portal.Name {
return
}
portal.Name = content.Name
err := sender.Client.SetGroupName(portal.Key.JID, content.Name)
if err != nil {
log.Err(err).Msg("Failed to update group name")
return
}
case *event.TopicEventContent:
if content.Topic == portal.Topic {
return
}
portal.Topic = content.Topic
err := sender.Client.SetGroupTopic(portal.Key.JID, "", "", content.Topic)
if err != nil {
log.Err(err).Msg("Failed to update group topic")
return
}
case *event.RoomAvatarEventContent:
portal.avatarLock.Lock()
defer portal.avatarLock.Unlock()
if content.URL == portal.AvatarURL || (content.URL.IsEmpty() && portal.Avatar == "remove") {
return
}
var data []byte
var err error
if !content.URL.IsEmpty() {
data, err = portal.MainIntent().DownloadBytes(ctx, content.URL)
if err != nil {
log.Err(err).Stringer("mxc_uri", content.URL).Msg("Failed to download updated avatar")
return
}
log.Debug().Stringer("mxc_uri", content.URL).Msg("Updating group avatar")
} else {
log.Debug().Msg("Removing group avatar")
}
newID, err := sender.Client.SetGroupPhoto(portal.Key.JID, data)
if err != nil {
log.Err(err).Msg("Failed to update group avatar")
return
}
log.Debug().Str("avatar_id", newID).Msg("Successfully updated group avatar")
portal.Avatar = newID
portal.AvatarURL = content.URL
default:
log.Debug().Type("content_type", content).Msg("Ignoring unknown metadata event type")
return
}
portal.UpdateBridgeInfo(ctx)
err := portal.Update(ctx)
if err != nil {
log.Err(err).Msg("Failed to update portal after handling metadata")
}
}
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