.github/ISSUE_TEMPLATE/bug.md

@@ -11,8 +11,7 @@ type: Bug
 
 ### Checklist
 
-<!-- All items below are mandatory. Issues not following the rules may be closed without comment. -->
+<!-- Both items below are mandatory. Issues not following the rules may be closed without comment. -->
 
 * [ ] This is an actual bug, not just a setup issue (see the [troubleshooting docs](https://docs.mau.fi/bridges/general/troubleshooting.html) or ask in the Matrix room for setup help).
 * [ ] I am certain that sufficient information is included. Ask in the Matrix room first if not.
-* [ ] The bug is still present on the main branch. The `!wa version` command output is: ``

go.mod

@@ -8,17 +8,16 @@ tool go.mau.fi/util/cmd/maubuild
 
 require (
 	github.com/lib/pq v1.12.3
-	github.com/rs/zerolog v1.35.1
+	github.com/rs/zerolog v1.35.0
-	github.com/tidwall/gjson v1.18.0
+	go.mau.fi/util v0.9.8
-	go.mau.fi/util v0.9.9-0.20260511124621-9241e81bdf25
 	go.mau.fi/webp v0.2.0
-	go.mau.fi/whatsmeow v0.0.0-20260513140310-c551a4055c0f
+	go.mau.fi/whatsmeow v0.0.0-20260416104156-3ff20cd3462a
 	golang.org/x/image v0.39.0
 	golang.org/x/net v0.53.0
 	golang.org/x/sync v0.20.0
 	google.golang.org/protobuf v1.36.11
 	gopkg.in/yaml.v3 v3.0.1
-	maunium.net/go/mautrix v0.27.1-0.20260513120123-5fba7e3afae4
+	maunium.net/go/mautrix v0.27.0
 )
 
 require (
@@ -31,11 +30,12 @@ require (
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-sqlite3 v1.14.44 // indirect
+	github.com/mattn/go-sqlite3 v1.14.42 // indirect
 	github.com/petermattis/goid v0.0.0-20260330135022-df67b199bc81 // indirect
 	github.com/rogpeppe/go-internal v1.10.0 // indirect
 	github.com/rs/xid v1.6.0 // indirect
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e // indirect
+	github.com/tidwall/gjson v1.18.0 // indirect
 	github.com/tidwall/match v1.2.0 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect

go.sum

@@ -34,8 +34,8 @@ github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHP
 github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/mattn/go-sqlite3 v1.14.44 h1:3VSe+xafpbzsLbdr2AWlAZk9yRHiBhTBakioXaCKTF8=
+github.com/mattn/go-sqlite3 v1.14.42 h1:MigqEP4ZmHw3aIdIT7T+9TLa90Z6smwcthx+Azv4Cgo=
-github.com/mattn/go-sqlite3 v1.14.44/go.mod h1:pjEuOr8IwzLJP2MfGeTb0A35jauH+C2kbHKBr7yXKVQ=
+github.com/mattn/go-sqlite3 v1.14.42/go.mod h1:pjEuOr8IwzLJP2MfGeTb0A35jauH+C2kbHKBr7yXKVQ=
 github.com/petermattis/goid v0.0.0-20260330135022-df67b199bc81 h1:WDsQxOJDy0N1VRAjXLpi8sCEZRSGarLWQevDxpTBRrM=
 github.com/petermattis/goid v0.0.0-20260330135022-df67b199bc81/go.mod h1:pxMtw7cyUw6B2bRH0ZBANSPg+AoSud1I1iyJHI69jH4=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
@@ -46,8 +46,8 @@ github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjR
 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 github.com/rs/xid v1.6.0 h1:fV591PaemRlL6JfRxGDEPl69wICngIQ3shQtzfy2gxU=
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
-github.com/rs/zerolog v1.35.1 h1:m7xQeoiLIiV0BCEY4Hs+j2NG4Gp2o2KPKmhnnLiazKI=
+github.com/rs/zerolog v1.35.0 h1:VD0ykx7HMiMJytqINBsKcbLS+BJ4WYjz+05us+LRTdI=
-github.com/rs/zerolog v1.35.1/go.mod h1:EjML9kdfa/RMA7h/6z6pYmq1ykOuA8/mjWaEvGI+jcw=
+github.com/rs/zerolog v1.35.0/go.mod h1:EjML9kdfa/RMA7h/6z6pYmq1ykOuA8/mjWaEvGI+jcw=
 github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
 github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I=
 github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
@@ -71,12 +71,12 @@ github.com/yuin/goldmark v1.8.2 h1:kEGpgqJXdgbkhcOgBxkC0X0PmoPG1ZyoZ117rDVp4zE=
 github.com/yuin/goldmark v1.8.2/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg=
 go.mau.fi/libsignal v0.2.1 h1:vRZG4EzTn70XY6Oh/pVKrQGuMHBkAWlGRC22/85m9L0=
 go.mau.fi/libsignal v0.2.1/go.mod h1:iVvjrHyfQqWajOUaMEsIfo3IqgVMrhWcPiiEzk7NgoU=
-go.mau.fi/util v0.9.9-0.20260511124621-9241e81bdf25 h1:YPEmc+li7TF6C9AdRTcSLMb6yCHdF27/wNT7kFLIVNg=
+go.mau.fi/util v0.9.8 h1:+/jf8eM2dAT2wx9UidmaneH28r/CSCKCniCyby1qWz8=
-go.mau.fi/util v0.9.9-0.20260511124621-9241e81bdf25/go.mod h1:jE9FfhbgEgAwxei6lomO9v8zdCIATcquONUu4vjRwSs=
+go.mau.fi/util v0.9.8/go.mod h1:up/5mbzH2M1pSBNXqRxODn8dg/hEKbLJu92W4/SNAX0=
 go.mau.fi/webp v0.2.0 h1:QVMenHw7JDb4vall5sV75JNBQj9Hw4u8AKbi1QetHvg=
 go.mau.fi/webp v0.2.0/go.mod h1:VSg9MyODn12Mb5pyG0NIyNFhujrmoFSsZBs8syOZD1Q=
-go.mau.fi/whatsmeow v0.0.0-20260513140310-c551a4055c0f h1:icWtsD1MH5nlo8mEpHMPZ9+1kgHkjmXQroYi0lHXKZ0=
+go.mau.fi/whatsmeow v0.0.0-20260416104156-3ff20cd3462a h1:/7erOAOkZ5d/k9bghMMQPciR0ypmOsM8wGv7bIwyyZo=
-go.mau.fi/whatsmeow v0.0.0-20260513140310-c551a4055c0f/go.mod h1:ijfkzOXauA/Vz/htXEMfOAJSUgglribW5oQeYC9tSSg=
+go.mau.fi/whatsmeow v0.0.0-20260416104156-3ff20cd3462a/go.mod h1:B/y3nOUaK8BDJKvyvq6YbLh2UKTCoiA5xQ2sFwbuOWk=
 go.mau.fi/zeroconfig v0.2.0 h1:e/OGEERqVRRKlgaro7E6bh8xXiKFSXB3eNNIud7FUjU=
 go.mau.fi/zeroconfig v0.2.0/go.mod h1:J0Vn0prHNOm493oZoQ84kq83ZaNCYZnq+noI1b1eN8w=
 golang.org/x/crypto v0.50.0 h1:zO47/JPrL6vsNkINmLoo/PH1gcxpls50DNogFvB5ZGI=
@@ -107,5 +107,5 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 maunium.net/go/mauflag v1.0.0 h1:YiaRc0tEI3toYtJMRIfjP+jklH45uDHtT80nUamyD4M=
 maunium.net/go/mauflag v1.0.0/go.mod h1:nLivPOpTpHnpzEh8jEdSL9UqO9+/KBJFmNRlwKfkPeA=
-maunium.net/go/mautrix v0.27.1-0.20260513120123-5fba7e3afae4 h1:zNC9eVAhw8FhKpM3AxNAh/iy75UEYX91uJUvqqAYlvo=
+maunium.net/go/mautrix v0.27.0 h1:yfEYwoIluVWkofUgbZl9gP4i5nQTF+QNsxtb+r5bKlM=
-maunium.net/go/mautrix v0.27.1-0.20260513120123-5fba7e3afae4/go.mod h1:3sOGhXi3P1V6/NruTA0gujkvTypXVUraWktCuTGyDuM=
+maunium.net/go/mautrix v0.27.0/go.mod h1:7QpEQiTy6p4LHkXXaZI+N46tGYy8HMhD0JjzZAFoFWs=

pkg/connector/backfill.go

@@ -246,7 +246,7 @@ func (wa *WhatsAppClient) handleWAHistorySync(
 			return c.Stringer("chat_jid", jid)
 		})
 
-		var minTime, maxTime, firstItemTime, lastItemTime time.Time
+		var minTime, maxTime time.Time
 		var minTimeIndex, maxTimeIndex int
 
 		ignoredTypes := 0
@@ -262,10 +262,6 @@ func (wa *WhatsAppClient) handleWAHistorySync(
 					Msg("Dropping historical message due to parse error")
 				continue
 			}
-			if firstItemTime.IsZero() {
-				firstItemTime = msgEvt.Info.Timestamp
-			}
-			lastItemTime = msgEvt.Info.Timestamp
 			if minTime.IsZero() || msgEvt.Info.Timestamp.Before(minTime) {
 				minTime = msgEvt.Info.Timestamp
 				minTimeIndex = i
@@ -298,9 +294,6 @@ func (wa *WhatsAppClient) handleWAHistorySync(
 			Int("lowest_time_index", minTimeIndex).
 			Time("highest_time", maxTime).
 			Int("highest_time_index", maxTimeIndex).
-			Time("first_item_time", firstItemTime).
-			Time("last_item_time", lastItemTime).
-			Bool("highest_time_mismatch", firstItemTime != maxTime).
 			Dict("metadata", zerolog.Dict().
 				Uint32("ephemeral_expiration", conv.GetEphemeralExpiration()).
 				Int64("ephemeral_setting_timestamp", conv.GetEphemeralSettingTimestamp()).

pkg/connector/capabilities.go

@@ -19,7 +19,6 @@ var WhatsAppGeneralCaps = &bridgev2.NetworkGeneralCapabilities{
 	AggressiveUpdateInfo: true,
 	ImplicitReadReceipts: true,
 	Provisioning: bridgev2.ProvisioningCapabilities{
-		ImagePackImport: true,
 		ResolveIdentifier: bridgev2.ResolveIdentifierCapabilities{
 			CreateDM:    true,
 			LookupPhone: true,
@@ -52,7 +51,7 @@ func (wa *WhatsAppConnector) GetCapabilities() *bridgev2.NetworkGeneralCapabilit
 }
 
 func (wa *WhatsAppConnector) GetBridgeInfoVersion() (info, caps int) {
-	return 1, 8
+	return 1, 7
 }
 
 const WAMaxFileSize = 2000 * 1024 * 1024
@@ -67,7 +66,7 @@ func supportedIfFFmpeg() event.CapabilitySupportLevel {
 }
 
 func capID() string {
-	base := "fi.mau.whatsapp.capabilities.2026_05_12"
+	base := "fi.mau.whatsapp.capabilities.2025_12_15"
 	if ffmpeg.Supported() {
 		return base + "+ffmpeg"
 	}
@@ -126,10 +125,10 @@ var whatsappCaps = &event.RoomFeatures{
 		event.CapMsgSticker: {
 			MimeTypes: map[string]event.CapabilitySupportLevel{
 				"image/webp": event.CapLevelFullySupported,
+				// TODO see if sending lottie is possible
+				//"video/lottie+json": event.CapLevelFullySupported,
 				"image/png":  event.CapLevelPartialSupport,
 				"image/jpeg": event.CapLevelPartialSupport,
-				// This will only be accepted if it was imported from WhatsApp
-				"video/lottie+json": event.CapLevelPartialSupport,
 			},
 			Caption: event.CapLevelDropped,
 			MaxSize: WAMaxFileSize,

pkg/connector/client.go

@@ -38,7 +38,6 @@ import (
 	"maunium.net/go/mautrix/bridgev2"
 	"maunium.net/go/mautrix/bridgev2/networkid"
 	"maunium.net/go/mautrix/bridgev2/status"
-	"maunium.net/go/mautrix/event"
 
 	"go.mau.fi/mautrix-whatsapp/pkg/waid"
 )
@@ -129,7 +128,6 @@ var (
 	_ bridgev2.PushableNetworkAPI          = (*WhatsAppClient)(nil)
 	_ bridgev2.BackgroundSyncingNetworkAPI = (*WhatsAppClient)(nil)
 	_ bridgev2.ChatViewingNetworkAPI       = (*WhatsAppClient)(nil)
-	_ bridgev2.StickerImportingNetworkAPI  = (*WhatsAppClient)(nil)
 )
 
 var pushCfg = &bridgev2.PushConfig{
@@ -469,12 +467,3 @@ func (wa *WhatsAppClient) updatePresence(ctx context.Context, presence types.Pre
 	}
 	return err
 }
-
-func (wa *WhatsAppClient) DownloadImagePack(ctx context.Context, url string) (*bridgev2.ImportedImagePack, error) {
-	return wa.Main.MsgConv.DownloadImagePack(ctx, wa.UserLogin.ID, wa.Client, url)
-}
-
-func (wa *WhatsAppClient) ListImagePacks(ctx context.Context) ([]*event.ImagePackMetadata, error) {
-	// TODO
-	return nil, nil
-}

pkg/connector/directmedia.go

@@ -67,8 +67,6 @@ func (wa *WhatsAppConnector) Download(ctx context.Context, mediaID networkid.Med
 		return wa.downloadMessageDirectMedia(ctx, parsedID, params)
 	} else if parsedID.Avatar != nil {
 		return wa.downloadAvatarDirectMedia(ctx, parsedID, params)
-	} else if parsedID.Sticker != nil {
-		return wa.downloadStickerDirectMedia(ctx, parsedID, params)
 	} else {
 		return nil, fmt.Errorf("unexpected media ID parsing result")
 	}
@@ -137,25 +135,8 @@ func (wa *WhatsAppConnector) downloadAvatarDirectMedia(ctx context.Context, pars
 	}, nil
 }
 
-func (wa *WhatsAppConnector) downloadStickerDirectMedia(ctx context.Context, parsedID *waid.ParsedMediaID, params map[string]string) (mediaproxy.GetMediaResponse, error) {
-	ul := wa.Bridge.GetCachedUserLoginByID(parsedID.UserLogin)
-	if ul == nil {
-		return nil, fmt.Errorf("%w: user login %s not found", bridgev2.ErrNotLoggedIn, parsedID.UserLogin)
-	}
-	waClient := ul.Client.(*WhatsAppClient)
-	if waClient.Client == nil {
-		return nil, fmt.Errorf("no WhatsApp client found on login %s", parsedID.UserLogin)
-	}
-	sticker, err := wa.MsgConv.GetCachedSticker(ctx, waClient.Client, parsedID.Sticker.PackID, parsedID.Sticker.FileHash)
-	if err != nil {
-		return nil, err
-	} else if sticker == nil {
-		return nil, mautrix.MNotFound.WithMessage("Sticker not found in pack")
-	}
-	return wa.makeDirectMediaResponse(ctx, waClient, sticker, sticker.MimeType, "", nil, params)
-}
-
 func (wa *WhatsAppConnector) downloadMessageDirectMedia(ctx context.Context, parsedID *waid.ParsedMediaID, params map[string]string) (mediaproxy.GetMediaResponse, error) {
+	log := zerolog.Ctx(ctx)
 	msg, err := wa.Bridge.DB.Message.GetFirstPartByID(ctx, parsedID.UserLogin, parsedID.Message.String())
 	if err != nil {
 		return nil, fmt.Errorf("failed to get message: %w", err)
@@ -193,29 +174,16 @@ func (wa *WhatsAppConnector) downloadMessageDirectMedia(ctx context.Context, par
 	if waClient.Client == nil {
 		return nil, fmt.Errorf("no WhatsApp client found on login")
 	}
-	return wa.makeDirectMediaResponse(ctx, waClient, keys, keys.MimeType, msg.ID, keys, params)
-}
-
-func (wa *WhatsAppConnector) makeDirectMediaResponse(
-	ctx context.Context,
-	waClient *WhatsAppClient,
-	dm whatsmeow.DownloadableMessage,
-	mimeType string,
-	msgID networkid.MessageID,
-	keys *msgconv.FailedMediaKeys,
-	params map[string]string,
-) (mediaproxy.GetMediaResponse, error) {
 	return &mediaproxy.GetMediaResponseFile{
 		Callback: func(f *os.File) (*mediaproxy.FileMeta, error) {
-			log := zerolog.Ctx(ctx)
+			err := waClient.Client.DownloadToFile(ctx, keys, f)
-			err := waClient.Client.DownloadToFile(ctx, dm, f)
+			if errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith403) || errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith404) || errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith410) || errors.Is(err, whatsmeow.ErrNoURLPresent) {
-			if keys != nil && (errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith403) || errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith404) || errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith410) || errors.Is(err, whatsmeow.ErrNoURLPresent)) {
 				val := params["fi.mau.whatsapp.reload_media"]
 				if val == "false" || (!wa.Config.DirectMediaAutoRequest && val != "true") {
 					return nil, ErrReloadNeeded
 				}
 				log.Trace().Msg("Media not found for direct download, requesting and waiting")
-				err = waClient.requestAndWaitDirectMedia(ctx, msgID, keys)
+				err = waClient.requestAndWaitDirectMedia(ctx, msg.ID, keys)
 				if err != nil {
 					log.Trace().Err(err).Msg("Failed to wait for media for direct download")
 					return nil, err
@@ -229,23 +197,24 @@ func (wa *WhatsAppConnector) makeDirectMediaResponse(
 				return nil, err
 			}
 
-			if mimeType == "application/was" {
+			mime := keys.MimeType
+			if mime == "application/was" {
 				if _, err := f.Seek(0, io.SeekStart); err != nil {
 					return nil, fmt.Errorf("failed to seek to start of sticker zip: %w", err)
 				} else if zipData, err := io.ReadAll(f); err != nil {
 					return nil, fmt.Errorf("failed to read sticker zip: %w", err)
-				} else if data, _, err := msgconv.ExtractAnimatedSticker(zipData); err != nil {
+				} else if data, err := msgconv.ExtractAnimatedSticker(zipData); err != nil {
 					return nil, fmt.Errorf("failed to extract animated sticker: %w %x", err, zipData)
 				} else if _, err := f.WriteAt(data, 0); err != nil {
 					return nil, fmt.Errorf("failed to write animated sticker to file: %w", err)
 				} else if err := f.Truncate(int64(len(data))); err != nil {
 					return nil, fmt.Errorf("failed to truncate animated sticker file: %w", err)
 				}
-				mimeType = "video/lottie+json"
+				mime = "video/lottie+json"
 			}
 
 			return &mediaproxy.FileMeta{
-				ContentType: mimeType,
+				ContentType: mime,
 			}, nil
 		},
 	}, nil

pkg/connector/handlematrix.go

@@ -107,7 +107,6 @@ func (wa *WhatsAppClient) handleConvertedMatrixMessage(ctx context.Context, msg
 	wrappedMsgID2 := waid.MakeMessageID(chatJID, wa.GetStore().GetLID(), req.ID)
 	msg.AddPendingToIgnore(networkid.TransactionID(wrappedMsgID))
 	msg.AddPendingToIgnore(networkid.TransactionID(wrappedMsgID2))
-	zerolog.Ctx(ctx).Trace().Any("payload", waMsg).Msg("Outgoing message payload")
 	resp, err := wa.Client.SendMessage(ctx, chatJID, waMsg, *req)
 	if err != nil {
 		return nil, err

pkg/connector/handlewhatsapp.go

@@ -309,55 +309,20 @@ func (wa *WhatsAppClient) rerouteWAMessage(ctx context.Context, evtType string,
 
 func (wa *WhatsAppClient) handleWAMessage(ctx context.Context, evt *events.Message) (success bool) {
 	success = true
-	if evt.Info.Chat == types.StatusBroadcastJID && !wa.Main.Config.EnableStatusBroadcast {
-		return
-	}
-	parsedMessageType := getMessageType(evt.Message)
-	if encReact := evt.Message.GetEncReactionMessage(); encReact != nil {
-		decrypted, err := wa.Client.DecryptReaction(ctx, evt)
-		if err != nil {
-			wa.UserLogin.Log.Err(err).Str("message_id", evt.Info.ID).Msg("Failed to decrypt reaction")
-			return
-		}
-		decrypted.Key = encReact.GetTargetMessageKey()
-		evt.Message.ReactionMessage = decrypted
-	}
-	if encComment := evt.Message.GetEncCommentMessage(); encComment != nil {
-		decrypted, err := wa.Client.DecryptComment(ctx, evt)
-		if err != nil {
-			wa.UserLogin.Log.Err(err).Str("message_id", evt.Info.ID).Msg("Failed to decrypt comment")
-		} else {
-			decrypted.EncCommentMessage = evt.Message.GetEncCommentMessage()
-			evt.Message = decrypted
-		}
-	}
-	if encMessage := evt.Message.GetSecretEncryptedMessage(); encMessage != nil {
-		decrypted, err := wa.Client.DecryptSecretEncryptedMessage(ctx, evt)
-		if err != nil {
-			wa.UserLogin.Log.Err(err).
-				Str("message_id", evt.Info.ID).
-				Stringer("evt_sender", evt.Info.Sender).
-				Any("target_message_key", encMessage.TargetMessageKey).
-				Msg("Failed to decrypt secret-encrypted message")
-			return
-		}
-		evt.RawMessage = decrypted
-		evt.UnwrapRaw()
-		parsedMessageType = getMessageType(evt.Message)
-	}
 	wa.rerouteWAMessage(ctx, "message", &evt.Info.MessageSource, evt.Info.ID)
 	wa.UserLogin.Log.Trace().
 		Any("info", evt.Info).
 		Any("payload", evt.Message).
 		Msg("Received WhatsApp message")
+	if evt.Info.Chat == types.StatusBroadcastJID && !wa.Main.Config.EnableStatusBroadcast {
+		return
+	}
 	if evt.Info.IsFromMe &&
 		evt.Message.GetProtocolMessage().GetHistorySyncNotification() != nil &&
-		wa.Main.Bridge.Config.Backfill.Enabled {
+		wa.Main.Bridge.Config.Backfill.Enabled &&
+		wa.Client.ManualHistorySyncDownload {
 		wa.saveWAHistorySyncNotification(ctx, evt.Message.ProtocolMessage.HistorySyncNotification)
 	}
-	if parsedMessageType == "ignore" || strings.HasPrefix(parsedMessageType, "unknown_protocol_") {
-		return
-	}
 
 	messageAssoc := evt.Message.GetMessageContextInfo().GetMessageAssociation()
 	if assocType := messageAssoc.GetAssociationType(); assocType == waE2E.MessageAssociation_HD_IMAGE_DUAL_UPLOAD || assocType == waE2E.MessageAssociation_HD_VIDEO_DUAL_UPLOAD {
@@ -386,6 +351,38 @@ func (wa *WhatsAppClient) handleWAMessage(ctx context.Context, evt *events.Messa
 		return
 	}
 
+	parsedMessageType := getMessageType(evt.Message)
+	if parsedMessageType == "ignore" || strings.HasPrefix(parsedMessageType, "unknown_protocol_") {
+		return
+	}
+	if encReact := evt.Message.GetEncReactionMessage(); encReact != nil {
+		decrypted, err := wa.Client.DecryptReaction(ctx, evt)
+		if err != nil {
+			wa.UserLogin.Log.Err(err).Str("message_id", evt.Info.ID).Msg("Failed to decrypt reaction")
+			return
+		}
+		decrypted.Key = encReact.GetTargetMessageKey()
+		evt.Message.ReactionMessage = decrypted
+	}
+	if encComment := evt.Message.GetEncCommentMessage(); encComment != nil {
+		decrypted, err := wa.Client.DecryptComment(ctx, evt)
+		if err != nil {
+			wa.UserLogin.Log.Err(err).Str("message_id", evt.Info.ID).Msg("Failed to decrypt comment")
+		} else {
+			decrypted.EncCommentMessage = evt.Message.GetEncCommentMessage()
+			evt.Message = decrypted
+		}
+	}
+	if encMessage := evt.Message.GetSecretEncryptedMessage(); encMessage != nil {
+		decrypted, err := wa.Client.DecryptSecretEncryptedMessage(ctx, evt)
+		if err != nil {
+			wa.UserLogin.Log.Err(err).Str("message_id", evt.Info.ID).Msg("Failed to decrypt message")
+			return
+		}
+		evt.RawMessage = decrypted
+		evt.UnwrapRaw()
+		parsedMessageType = getMessageType(evt.Message)
+	}
 	res := wa.UserLogin.QueueRemoteEvent(&WAMessageEvent{
 		MessageInfoWrapper: &MessageInfoWrapper{
 			Info: evt.Info,

pkg/msgconv/from-matrix.go

@@ -19,7 +19,6 @@ package msgconv
 import (
 	"bytes"
 	"context"
-	"encoding/base64"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -202,7 +201,6 @@ func (mc *MessageConverter) constructMediaMessage(
 				FileSHA256:    uploaded.FileSHA256,
 				FileLength:    proto.Uint64(uploaded.FileLength),
 				URL:           proto.String(uploaded.URL),
-				IsLottie:      proto.Bool(mime == "application/was"),
 			},
 		}
 	case event.MsgAudio:
@@ -484,17 +482,6 @@ func (mc *MessageConverter) convertToWebP(img []byte) ([]byte, int, error) {
 	return webpBuffer.Bytes(), size, nil
 }
 
-func (mc *MessageConverter) getOriginalBridgedSticker(ctx context.Context, info *event.BridgedSticker) (*types.StickerPackItem, error) {
-	if info == nil || info.Network != StickerSourceID || !strings.HasPrefix(info.PackURL, StickerPackURLPrefix) || info.ID == "" {
-		return nil, nil
-	}
-	fileHash, err := base64.StdEncoding.DecodeString(info.ID)
-	if err != nil {
-		return nil, nil
-	}
-	return mc.GetCachedSticker(ctx, getClient(ctx), strings.TrimPrefix(info.PackURL, StickerPackURLPrefix), fileHash)
-}
-
 func (mc *MessageConverter) reuploadFileToWhatsApp(
 	ctx context.Context, content *event.MessageEventContent,
 ) (*whatsmeow.UploadResponse, []byte, string, error) {
@@ -503,25 +490,7 @@ func (mc *MessageConverter) reuploadFileToWhatsApp(
 	if content.FileName != "" {
 		fileName = content.FileName
 	}
-	var data []byte
+	data, err := mc.Bridge.Bot.DownloadMedia(ctx, content.URL, content.File)
-	var err error
-	var sticker *types.StickerPackItem
-	if sticker, err = mc.getOriginalBridgedSticker(ctx, content.Info.BridgedSticker); err != nil {
-		zerolog.Ctx(ctx).Warn().Err(err).
-			Msg("Failed to get original bridged sticker, falling back to downloading from URL")
-		data, err = mc.Bridge.Bot.DownloadMedia(ctx, content.URL, content.File)
-	} else if sticker != nil {
-		if sticker.MimeType == "application/was" {
-			data, err = getClient(ctx).Download(ctx, sticker)
-			mime = sticker.MimeType
-		} else {
-			data, err = mc.Bridge.Bot.DownloadMedia(ctx, content.URL, content.File)
-		}
-		content.Info.Width = sticker.Width
-		content.Info.Height = sticker.Height
-	} else {
-		data, err = mc.Bridge.Bot.DownloadMedia(ctx, content.URL, content.File)
-	}
 	if err != nil {
 		return nil, nil, "", fmt.Errorf("%w: %w", bridgev2.ErrMediaDownloadFailed, err)
 	}
@@ -539,14 +508,7 @@ func (mc *MessageConverter) reuploadFileToWhatsApp(
 	case event.MessageType(event.EventSticker.Type):
 		isSticker = true
 		mediaType = whatsmeow.MediaImage
-		if mime == "video/lottie+json" {
+		if mime != "image/webp" || content.Info.Width != content.Info.Height {
-			// This likely won't work
-			data, err = PackAnimatedSticker(data)
-			if err != nil {
-				return nil, nil, mime, fmt.Errorf("%w (packing animated sticker): %w", bridgev2.ErrMediaConvertFailed, err)
-			}
-			mime = "application/was"
-		} else if (mime != "image/webp" || content.Info.Width != content.Info.Height) && mime != "application/was" {
 			var size int
 			data, size, err = mc.convertToWebP(data)
 			if err != nil {

pkg/msgconv/msgconv.go

@@ -17,9 +17,6 @@
 package msgconv
 
 import (
-	"sync"
-
-	"go.mau.fi/whatsmeow/types"
 	"maunium.net/go/mautrix/bridgev2"
 	"maunium.net/go/mautrix/format"
 
@@ -46,16 +43,12 @@ type MessageConverter struct {
 	DisableViewOnce       bool
 	DirectMedia           bool
 	OldMediaSuffix        string
-
-	stickerPackCache     map[string]*types.StickerPack
-	stickerPackCacheLock sync.Mutex
 }
 
 func New(br *bridgev2.Bridge) *MessageConverter {
 	mc := &MessageConverter{
 		Bridge:      br,
 		MaxFileSize: 50 * 1024 * 1024,
-		stickerPackCache: make(map[string]*types.StickerPack),
 	}
 	mc.HTMLParser = &format.HTMLParser{
 		PillConverter: mc.convertPill,

pkg/msgconv/wa-media.go

@@ -17,6 +17,8 @@
 package msgconv
 
 import (
+	"archive/zip"
+	"bytes"
 	"context"
 	"encoding/json"
 	"errors"
@@ -24,18 +26,21 @@ import (
 	"io"
 	"net/http"
 	"os"
+	"path/filepath"
+	"strconv"
 	"strings"
 
 	"github.com/rs/zerolog"
 	"go.mau.fi/util/exmime"
 	"go.mau.fi/util/exslices"
+	"go.mau.fi/util/lottie"
+	"go.mau.fi/util/random"
 	"go.mau.fi/whatsmeow"
 	"go.mau.fi/whatsmeow/proto/waE2E"
 	"go.mau.fi/whatsmeow/types"
 	"maunium.net/go/mautrix/bridgev2"
 	"maunium.net/go/mautrix/bridgev2/database"
 	"maunium.net/go/mautrix/event"
-	"maunium.net/go/mautrix/id"
 
 	"go.mau.fi/mautrix-whatsapp/pkg/waid"
 )
@@ -82,11 +87,11 @@ func (mc *MessageConverter) convertMediaMessage(
 		MimeType:  msg.GetMimetype(),
 	}
 	if mc.DirectMedia {
+		preparedMedia.FillFileName()
 		if preparedMedia.Info.MimeType == "application/was" {
 			preparedMedia.Info.MimeType = "video/lottie+json"
 			preparedMedia.FileName = "sticker.json"
 		}
-		preparedMedia.FillFileName()
 		var err error
 		portal := getPortal(ctx)
 		idOverride := getEditTargetID(ctx)
@@ -193,9 +198,7 @@ type PreparedMedia struct {
 }
 
 func (pm *PreparedMedia) FillFileName() *PreparedMedia {
-	if pm.Type == event.EventSticker {
+	if pm.FileName == "" {
-		pm.FileName = ""
-	} else if pm.FileName == "" {
 		pm.FileName = strings.TrimPrefix(string(pm.MsgType), "m.") + exmime.ExtensionFromMimetype(pm.Info.MimeType)
 	}
 	return pm
@@ -236,19 +239,6 @@ type MediaMessageWithDuration interface {
 
 const WhatsAppStickerSize = 190
 
-func fixStickerDimensions(info *event.FileInfo) {
-	if info.Width == info.Height {
-		info.Width = WhatsAppStickerSize
-		info.Height = WhatsAppStickerSize
-	} else if info.Width > info.Height {
-		info.Height /= info.Width / WhatsAppStickerSize
-		info.Width = WhatsAppStickerSize
-	} else {
-		info.Width /= info.Height / WhatsAppStickerSize
-		info.Height = WhatsAppStickerSize
-	}
-}
-
 func prepareMediaMessage(rawMsg MediaMessage) *PreparedMedia {
 	extraInfo := map[string]any{}
 	data := &PreparedMedia{
@@ -297,7 +287,19 @@ func prepareMediaMessage(rawMsg MediaMessage) *PreparedMedia {
 	case *waE2E.StickerMessage:
 		data.Type = event.EventSticker
 		data.FileName = "sticker" + exmime.ExtensionFromMimetype(msg.GetMimetype())
-		fixStickerDimensions(data.Info)
+		if msg.GetMimetype() == "application/was" && data.FileName == "sticker" {
+			data.FileName = "sticker.json"
+		}
+		if data.Info.Width == data.Info.Height {
+			data.Info.Width = WhatsAppStickerSize
+			data.Info.Height = WhatsAppStickerSize
+		} else if data.Info.Width > data.Info.Height {
+			data.Info.Height /= data.Info.Width / WhatsAppStickerSize
+			data.Info.Width = WhatsAppStickerSize
+		} else {
+			data.Info.Width /= data.Info.Height / WhatsAppStickerSize
+			data.Info.Height = WhatsAppStickerSize
+		}
 	case *waE2E.VideoMessage:
 		data.MsgType = event.MsgVideo
 		pairedMediaType := msg.GetContextInfo().GetPairedMediaType()
@@ -357,15 +359,12 @@ func (mc *MessageConverter) reuploadWhatsAppAttachment(
 ) error {
 	client := getClient(ctx)
 	intent := getIntent(ctx)
-	var roomID id.RoomID
+	portal := getPortal(ctx)
-	if portal := getPortal(ctx); portal != nil {
-		roomID = portal.MXID
-	}
 	var thumbnailData []byte
 	var thumbnailInfo *event.FileInfo
 	if part.Info.Size > uploadFileThreshold {
 		var err error
-		part.URL, part.File, err = intent.UploadMediaStream(ctx, roomID, -1, true, func(file io.Writer) (*bridgev2.FileStreamResult, error) {
+		part.URL, part.File, err = intent.UploadMediaStream(ctx, portal.MXID, -1, true, func(file io.Writer) (*bridgev2.FileStreamResult, error) {
 			err := client.DownloadToFile(ctx, message, file.(*os.File))
 			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")
@@ -398,14 +397,12 @@ func (mc *MessageConverter) reuploadWhatsAppAttachment(
 			if err != nil {
 				return err
 			}
-		} else if part.Type == event.EventSticker && part.Info.MimeType == "image/webp" {
-			mc.fillWebPStickerInfo(ctx, part, data)
 		}
 		if part.Info.MimeType == "" {
 			part.Info.MimeType = http.DetectContentType(data)
 		}
 		part.FillFileName()
-		part.URL, part.File, err = intent.UploadMedia(ctx, roomID, data, part.FileName, part.Info.MimeType)
+		part.URL, part.File, err = intent.UploadMedia(ctx, portal.MXID, data, part.FileName, part.Info.MimeType)
 		if err != nil {
 			return fmt.Errorf("%w: %w", bridgev2.ErrMediaReuploadFailed, err)
 		}
@@ -414,7 +411,7 @@ func (mc *MessageConverter) reuploadWhatsAppAttachment(
 		var err error
 		part.Info.ThumbnailURL, part.Info.ThumbnailFile, err = intent.UploadMedia(
 			ctx,
-			roomID,
+			portal.MXID,
 			thumbnailData,
 			"thumbnail"+exmime.ExtensionFromMimetype(thumbnailInfo.MimeType),
 			thumbnailInfo.MimeType,
@@ -428,6 +425,68 @@ func (mc *MessageConverter) reuploadWhatsAppAttachment(
 	return nil
 }
 
+func (mc *MessageConverter) extractAnimatedSticker(fileInfo *PreparedMedia, data []byte) ([]byte, error) {
+	data, err := ExtractAnimatedSticker(data)
+	if err != nil {
+		return nil, err
+	}
+	fileInfo.Info.MimeType = "video/lottie+json"
+	fileInfo.FileName = "sticker.json"
+	return data, nil
+}
+
+func (mc *MessageConverter) convertAnimatedSticker(ctx context.Context, fileInfo *PreparedMedia, data []byte) ([]byte, []byte, *event.FileInfo, error) {
+	data, err := mc.extractAnimatedSticker(fileInfo, data)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	c := mc.AnimatedStickerConfig
+	if c.Target == "disable" {
+		return data, nil, nil, nil
+	} else if !lottie.Supported() {
+		zerolog.Ctx(ctx).Warn().Msg("Animated sticker conversion is enabled, but lottieconverter is not installed")
+		return data, nil, nil, nil
+	}
+	input := bytes.NewReader(data)
+	fileInfo.Info.MimeType = "image/" + c.Target
+	fileInfo.FileName = "sticker." + c.Target
+	switch c.Target {
+	case "png":
+		var output bytes.Buffer
+		err = lottie.Convert(ctx, input, "", &output, c.Target, c.Args.Width, c.Args.Height, "1")
+		return output.Bytes(), nil, nil, err
+	case "gif":
+		var output bytes.Buffer
+		err = lottie.Convert(ctx, input, "", &output, c.Target, c.Args.Width, c.Args.Height, strconv.Itoa(c.Args.FPS))
+		return output.Bytes(), nil, nil, err
+	case "webm", "webp":
+		tmpFile := filepath.Join(os.TempDir(), fmt.Sprintf("mautrix-whatsapp-lottieconverter-%s.%s", random.String(10), c.Target))
+		defer func() {
+			_ = os.Remove(tmpFile)
+		}()
+		thumbnailData, err := lottie.FFmpegConvert(ctx, input, tmpFile, c.Args.Width, c.Args.Height, c.Args.FPS)
+		if err != nil {
+			return nil, nil, nil, err
+		}
+		data, err = os.ReadFile(tmpFile)
+		if err != nil {
+			return nil, nil, nil, fmt.Errorf("failed to read converted file: %w", err)
+		}
+		var thumbnailInfo *event.FileInfo
+		if thumbnailData != nil {
+			thumbnailInfo = &event.FileInfo{
+				MimeType: "image/png",
+				Width:    c.Args.Width,
+				Height:   c.Args.Height,
+				Size:     len(thumbnailData),
+			}
+		}
+		return data, thumbnailData, thumbnailInfo, nil
+	default:
+		return nil, nil, nil, fmt.Errorf("unsupported target format %s", c.Target)
+	}
+}
+
 func (mc *MessageConverter) makeMediaFailure(ctx context.Context, mediaInfo *PreparedMedia, keys *FailedMediaKeys, err error) *bridgev2.ConvertedMessagePart {
 	logLevel := zerolog.ErrorLevel
 	var extra map[string]any
@@ -472,3 +531,28 @@ func (mc *MessageConverter) makeMediaFailure(ctx context.Context, mediaInfo *Pre
 	}
 	return part
 }
+
+func ExtractAnimatedSticker(data []byte) ([]byte, error) {
+	zipReader, err := zip.NewReader(bytes.NewReader(data), int64(len(data)))
+	if err != nil {
+		return nil, fmt.Errorf("failed to read sticker zip: %w", err)
+	}
+	animationFile, err := zipReader.Open("animation/animation.json")
+	if err != nil {
+		return nil, fmt.Errorf("failed to open animation.json: %w", err)
+	}
+	animationFileInfo, err := animationFile.Stat()
+	if err != nil {
+		_ = animationFile.Close()
+		return nil, fmt.Errorf("failed to stat animation.json: %w", err)
+	} else if animationFileInfo.Size() > uploadFileThreshold {
+		_ = animationFile.Close()
+		return nil, fmt.Errorf("animation.json is too large (%.2f MiB)", float64(animationFileInfo.Size())/1024/1024)
+	}
+	data, err = io.ReadAll(animationFile)
+	_ = animationFile.Close()
+	if err != nil {
+		return nil, fmt.Errorf("failed to read animation.json: %w", err)
+	}
+	return data, nil
+}

pkg/msgconv/wa-sticker.go

@@ -1,455 +0,0 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2026 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 msgconv
-
-import (
-	"archive/zip"
-	"bytes"
-	"context"
-	"encoding/base64"
-	"encoding/binary"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"io"
-	"net/url"
-	"os"
-	"path/filepath"
-	"strconv"
-	"strings"
-
-	"github.com/rs/zerolog"
-	"github.com/tidwall/gjson"
-	"go.mau.fi/util/exstrings"
-	"go.mau.fi/util/lottie"
-	"go.mau.fi/util/random"
-	"go.mau.fi/whatsmeow"
-	"go.mau.fi/whatsmeow/types"
-	"maunium.net/go/mautrix"
-	"maunium.net/go/mautrix/bridgev2"
-	"maunium.net/go/mautrix/bridgev2/database"
-	"maunium.net/go/mautrix/bridgev2/networkid"
-	"maunium.net/go/mautrix/event"
-
-	"go.mau.fi/mautrix-whatsapp/pkg/waid"
-)
-
-func (mc *MessageConverter) GetCachedStickerPack(ctx context.Context, client *whatsmeow.Client, packID string) (*types.StickerPack, error) {
-	mc.stickerPackCacheLock.Lock()
-	defer mc.stickerPackCacheLock.Unlock()
-	cached, ok := mc.stickerPackCache[packID]
-	if ok {
-		if cached == nil {
-			return nil, bridgev2.RespError(mautrix.MNotFound.WithMessage("sticker pack not found (cached)"))
-		}
-		return cached, nil
-	}
-
-	pack, err := client.FetchStickerPack(ctx, packID)
-	if errors.Is(err, whatsmeow.ErrMediaDownloadFailedWith404) {
-		mc.stickerPackCache[packID] = nil
-		return nil, bridgev2.WrapRespErr(err, mautrix.MNotFound)
-	} else if err != nil {
-		return nil, err
-	}
-	mc.stickerPackCache[packID] = pack
-	if packID != pack.StickerPackID {
-		mc.stickerPackCache[pack.StickerPackID] = pack
-	}
-	return pack, nil
-}
-
-func (mc *MessageConverter) GetCachedSticker(ctx context.Context, client *whatsmeow.Client, packID string, hash []byte) (*types.StickerPackItem, error) {
-	pack, err := mc.GetCachedStickerPack(ctx, client, packID)
-	if err != nil {
-		return nil, err
-	}
-	for _, sticker := range pack.Stickers {
-		if bytes.Equal(sticker.FileHash, hash) {
-			return sticker, nil
-		}
-	}
-	return nil, nil
-}
-
-func (mc *MessageConverter) DownloadImagePack(ctx context.Context, userLoginID networkid.UserLoginID, client *whatsmeow.Client, inputURL string) (*bridgev2.ImportedImagePack, error) {
-	parsedURL, err := url.Parse(inputURL)
-	if err != nil {
-		return nil, bridgev2.WrapRespErr(err, mautrix.MNotFound)
-	} else if parsedURL.Host != "api.whatsapp.com" && parsedURL.Host != "wa.me" {
-		return nil, bridgev2.WrapRespErr(fmt.Errorf("invalid host %q", parsedURL.Host), mautrix.MNotFound)
-	} else if !strings.HasPrefix(parsedURL.Path, "/stickerpack/") {
-		return nil, bridgev2.WrapRespErr(fmt.Errorf("invalid path %q", parsedURL.Path), mautrix.MNotFound)
-	}
-	packName := strings.Split(strings.TrimPrefix(parsedURL.Path, "/stickerpack/"), "/")[0]
-	if packName == "" {
-		return nil, bridgev2.WrapRespErr(fmt.Errorf("empty pack name"), mautrix.MNotFound)
-	}
-	pack, err := mc.GetCachedStickerPack(ctx, client, packName)
-	if err != nil {
-		return nil, err
-	}
-	canonicalURL := "https://wa.me/stickerpack/" + pack.StickerPackID
-	topLevelExtra := map[string]any{
-		"fi.mau.whatsapp.stickerpack": map[string]any{
-			"id":          pack.StickerPackID,
-			"name":        pack.Name,
-			"description": pack.Description,
-			"publisher":   pack.Publisher,
-			"animated":    pack.Animated > 0,
-			"lottie":      pack.Lottie > 0,
-		},
-	}
-	content := &event.ImagePackEventContent{
-		Images: make(map[string]*event.ImagePackImage, len(pack.Stickers)),
-		Metadata: event.ImagePackMetadata{
-			DisplayName: pack.Name,
-			AvatarURL:   "",
-			Usage:       []event.ImagePackUsage{event.ImagePackUsageSticker},
-			Attribution: fmt.Sprintf("By %s on WhatsApp %s", pack.Publisher, canonicalURL),
-			BridgedPack: &event.BridgedStickerPack{
-				Network: StickerSourceID,
-				URL:     canonicalURL,
-			},
-		},
-	}
-	ctx = context.WithValue(ctx, contextKeyClient, client)
-	ctx = context.WithValue(ctx, contextKeyIntent, mc.Bridge.Bot)
-	ctx = context.WithValue(ctx, contextKeyPortal, (*bridgev2.Portal)(nil))
-	for i, sticker := range pack.Stickers {
-		shortcode := sticker.PreviewWebpID
-		if shortcode == "" {
-			shortcode = fmt.Sprintf("%s_img%d", pack.StickerPackID, i+1)
-		}
-		body := sticker.AccessibilityText
-		var emoji string
-		if len(sticker.Emojis) > 0 {
-			emoji = sticker.Emojis[0]
-			if body == "" {
-				body = strings.Join(sticker.Emojis, " ")
-			}
-		}
-		part := &PreparedMedia{
-			Type: event.EventSticker,
-			MessageEventContent: &event.MessageEventContent{
-				Body: body,
-				Info: &event.FileInfo{
-					MimeType: sticker.MimeType,
-					Width:    sticker.Width,
-					Height:   sticker.Height,
-					Size:     int(sticker.FileSize),
-					BridgedSticker: &event.BridgedSticker{
-						Network: StickerSourceID,
-						ID:      base64.StdEncoding.EncodeToString(sticker.FileHash),
-						Emoji:   emoji,
-						PackURL: canonicalURL,
-					},
-				},
-			},
-			TypeDescription: "sticker",
-		}
-		dbKey := database.Key(fmt.Sprintf("stickercache:%x", part.Info.BridgedSticker.ID))
-		fixStickerDimensions(part.Info)
-		var packed *event.ImagePackImage
-		if mc.DirectMedia {
-			dbKey = ""
-			if part.Info.MimeType == "application/was" {
-				part.Info.MimeType = "video/lottie+json"
-			}
-			part.URL, err = mc.Bridge.Matrix.GenerateContentURI(ctx, waid.MakeStickerPackMediaID(pack.StickerPackID, sticker.FileHash, userLoginID))
-			if err != nil {
-				panic(fmt.Errorf("failed to generate content URI: %w", err))
-			}
-		} else if cached := mc.Bridge.DB.KV.Get(ctx, dbKey); cached != "" {
-			err = json.Unmarshal([]byte(cached), &packed)
-			if err != nil {
-				return nil, fmt.Errorf("failed to unmarshal cached sticker data: %w", err)
-			}
-		} else {
-			err = mc.reuploadWhatsAppAttachment(ctx, sticker, part)
-			if err != nil {
-				return nil, fmt.Errorf("failed to reupload sticker %q: %w", sticker.GetDirectPath(), err)
-			}
-		}
-		if packed == nil {
-			packed = &event.ImagePackImage{
-				URL:  part.URL,
-				Body: part.Body,
-				Info: part.Info,
-			}
-			if dbKey != "" {
-				data, _ := json.Marshal(packed)
-				if data != nil {
-					mc.Bridge.DB.KV.Set(ctx, dbKey, string(data))
-				}
-			}
-		}
-		content.Images[shortcode] = packed
-	}
-
-	return &bridgev2.ImportedImagePack{
-		Content:   content,
-		Extra:     topLevelExtra,
-		Shortcode: pack.StickerPackID,
-	}, nil
-}
-
-type StickerMetadata struct {
-	StickerPackID       string   `json:"sticker-pack-id"`
-	AccessibilityText   string   `json:"accessibility-text"`
-	Emojis              []string `json:"emojis"`
-	IsFirstPartySticker int      `json:"is-first-party-sticker"`
-}
-
-func (sm *StickerMetadata) ToMatrix(content *event.MessageEventContent) {
-	if sm == nil {
-		return
-	}
-	if sm.StickerPackID != "" && content.Info.BridgedSticker == nil {
-		content.Info.BridgedSticker = &event.BridgedSticker{
-			Network: StickerSourceID,
-			PackURL: StickerPackURLPrefix + sm.StickerPackID,
-		}
-		if len(sm.Emojis) > 0 {
-			content.Info.BridgedSticker.Emoji = sm.Emojis[0]
-		}
-	}
-	if sm.AccessibilityText != "" {
-		content.Body = sm.AccessibilityText
-	} else if len(sm.Emojis) > 0 {
-		content.Body = strings.Join(sm.Emojis, " ")
-	}
-}
-
-const StickerSourceID = "whatsapp"
-const StickerPackURLPrefix = "https://wa.me/stickerpack/"
-
-func PackAnimatedSticker(data []byte) ([]byte, error) {
-	var buf bytes.Buffer
-	zipWriter := zip.NewWriter(&buf)
-	f, err := zipWriter.Create("animation/animation.json")
-	if err != nil {
-		return nil, fmt.Errorf("failed to create zip entry: %w", err)
-	}
-	_, err = f.Write(data)
-	if err != nil {
-		return nil, fmt.Errorf("failed to write zip entry: %w", err)
-	}
-	err = zipWriter.Close()
-	if err != nil {
-		return nil, fmt.Errorf("failed to close zip writer: %w", err)
-	}
-	return buf.Bytes(), nil
-}
-
-func ExtractAnimatedSticker(data []byte) ([]byte, *StickerMetadata, error) {
-	zipReader, err := zip.NewReader(bytes.NewReader(data), int64(len(data)))
-	if err != nil {
-		return nil, nil, fmt.Errorf("failed to read sticker zip: %w", err)
-	}
-	animationFile, err := zipReader.Open("animation/animation.json")
-	if err != nil {
-		return nil, nil, fmt.Errorf("failed to open animation.json: %w", err)
-	}
-	animationFileInfo, err := animationFile.Stat()
-	if err != nil {
-		_ = animationFile.Close()
-		return nil, nil, fmt.Errorf("failed to stat animation.json: %w", err)
-	} else if animationFileInfo.Size() > uploadFileThreshold {
-		_ = animationFile.Close()
-		return nil, nil, fmt.Errorf("animation.json is too large (%.2f MiB)", float64(animationFileInfo.Size())/1024/1024)
-	}
-	data, err = io.ReadAll(animationFile)
-	_ = animationFile.Close()
-	if err != nil {
-		return nil, nil, fmt.Errorf("failed to read animation.json: %w", err)
-	}
-	var meta StickerMetadata
-	metaFile, err := zipReader.Open("animation/animation.json.overridden_metadata")
-	if err == nil {
-		_ = json.NewDecoder(metaFile).Decode(&meta)
-		_ = metaFile.Close()
-	}
-	if meta.StickerPackID == "" {
-		res := gjson.GetBytes(data, "metadata.customProps")
-		if res.IsObject() {
-			_ = json.Unmarshal(exstrings.UnsafeBytes(res.Raw), &meta)
-		}
-	}
-	return data, &meta, nil
-}
-
-func (mc *MessageConverter) extractAnimatedSticker(fileInfo *PreparedMedia, data []byte) ([]byte, error) {
-	data, meta, err := ExtractAnimatedSticker(data)
-	if err != nil {
-		return nil, err
-	}
-	meta.ToMatrix(fileInfo.MessageEventContent)
-	fileInfo.Info.MimeType = "video/lottie+json"
-	fileInfo.FileName = "sticker.json"
-	return data, nil
-}
-
-func (mc *MessageConverter) convertAnimatedSticker(ctx context.Context, fileInfo *PreparedMedia, data []byte) ([]byte, []byte, *event.FileInfo, error) {
-	data, err := mc.extractAnimatedSticker(fileInfo, data)
-	if err != nil {
-		return nil, nil, nil, err
-	}
-	c := mc.AnimatedStickerConfig
-	if c.Target == "disable" {
-		return data, nil, nil, nil
-	} else if !lottie.Supported() {
-		zerolog.Ctx(ctx).Warn().Msg("Animated sticker conversion is enabled, but lottieconverter is not installed")
-		return data, nil, nil, nil
-	}
-	input := bytes.NewReader(data)
-	fileInfo.Info.MimeType = "image/" + c.Target
-	fileInfo.FileName = "sticker." + c.Target
-	switch c.Target {
-	case "png":
-		var output bytes.Buffer
-		err = lottie.Convert(ctx, input, "", &output, c.Target, c.Args.Width, c.Args.Height, "1")
-		return output.Bytes(), nil, nil, err
-	case "gif":
-		var output bytes.Buffer
-		err = lottie.Convert(ctx, input, "", &output, c.Target, c.Args.Width, c.Args.Height, strconv.Itoa(c.Args.FPS))
-		return output.Bytes(), nil, nil, err
-	case "webm", "webp":
-		tmpFile := filepath.Join(os.TempDir(), fmt.Sprintf("mautrix-whatsapp-lottieconverter-%s.%s", random.String(10), c.Target))
-		defer func() {
-			_ = os.Remove(tmpFile)
-		}()
-		thumbnailData, err := lottie.FFmpegConvert(ctx, input, tmpFile, c.Args.Width, c.Args.Height, c.Args.FPS)
-		if err != nil {
-			return nil, nil, nil, err
-		}
-		data, err = os.ReadFile(tmpFile)
-		if err != nil {
-			return nil, nil, nil, fmt.Errorf("failed to read converted file: %w", err)
-		}
-		var thumbnailInfo *event.FileInfo
-		if thumbnailData != nil {
-			thumbnailInfo = &event.FileInfo{
-				MimeType: "image/png",
-				Width:    c.Args.Width,
-				Height:   c.Args.Height,
-				Size:     len(thumbnailData),
-			}
-		}
-		return data, thumbnailData, thumbnailInfo, nil
-	default:
-		return nil, nil, nil, fmt.Errorf("unsupported target format %s", c.Target)
-	}
-}
-
-func (mc *MessageConverter) fillWebPStickerInfo(ctx context.Context, fileInfo *PreparedMedia, data []byte) {
-	meta, err := extractWebPStickerMetadata(data)
-	if err != nil {
-		zerolog.Ctx(ctx).Debug().Err(err).Msg("Failed to extract webp sticker metadata")
-		return
-	}
-	meta.ToMatrix(fileInfo.MessageEventContent)
-}
-
-// stickerMetadataEXIFTag is the custom EXIF tag WhatsApp uses to embed
-// sticker pack metadata as a JSON object inside non-animated webp stickers.
-const stickerMetadataEXIFTag = 0x5741
-
-// extractWebPStickerMetadata parses the WhatsApp sticker pack metadata JSON
-// embedded in EXIF tag 0x5741 of a non-animated webp sticker.
-func extractWebPStickerMetadata(data []byte) (*StickerMetadata, error) {
-	exif, err := findWebPChunk(data, "EXIF")
-	if err != nil {
-		return nil, err
-	}
-	raw, err := findEXIFTagValue(exif, stickerMetadataEXIFTag)
-	if err != nil {
-		return nil, err
-	}
-	var meta StickerMetadata
-	err = json.Unmarshal(raw, &meta)
-	if err != nil {
-		return nil, fmt.Errorf("failed to parse sticker metadata JSON: %w", err)
-	}
-	return &meta, nil
-}
-
-func findWebPChunk(data []byte, chunkType string) ([]byte, error) {
-	if len(data) < 12 || string(data[0:4]) != "RIFF" || string(data[8:12]) != "WEBP" {
-		return nil, fmt.Errorf("not a webp file")
-	}
-	for pos := 12; pos+8 <= len(data); {
-		size := binary.LittleEndian.Uint32(data[pos+4 : pos+8])
-		start := pos + 8
-		end := start + int(size)
-		if end > len(data) {
-			return nil, fmt.Errorf("webp chunk %q extends past end of file", data[pos:pos+4])
-		}
-		if string(data[pos:pos+4]) == chunkType {
-			return data[start:end], nil
-		}
-		pos = end
-		if pos%2 != 0 {
-			pos++
-		}
-	}
-	return nil, fmt.Errorf("webp chunk %q not found", chunkType)
-}
-
-func findEXIFTagValue(exif []byte, tag uint16) ([]byte, error) {
-	if len(exif) < 8 {
-		return nil, fmt.Errorf("exif data too short")
-	}
-	var bo binary.ByteOrder
-	switch string(exif[0:2]) {
-	case "II":
-		bo = binary.LittleEndian
-	case "MM":
-		bo = binary.BigEndian
-	default:
-		return nil, fmt.Errorf("invalid TIFF byte order %q", exif[0:2])
-	}
-	if bo.Uint16(exif[2:4]) != 0x002A {
-		return nil, fmt.Errorf("invalid TIFF magic")
-	}
-	ifdOffset := int(bo.Uint32(exif[4:8]))
-	if ifdOffset < 0 || ifdOffset+2 > len(exif) {
-		return nil, fmt.Errorf("IFD offset out of range")
-	}
-	count := int(bo.Uint16(exif[ifdOffset : ifdOffset+2]))
-	entries := ifdOffset + 2
-	if entries+count*12 > len(exif) {
-		return nil, fmt.Errorf("IFD entries out of range")
-	}
-	for i := 0; i < count; i++ {
-		entry := exif[entries+i*12 : entries+(i+1)*12]
-		if bo.Uint16(entry[0:2]) != tag {
-			continue
-		}
-		// Tag 0x5741 stores JSON as type 7 (UNDEFINED), where size == count bytes.
-		size := int(bo.Uint32(entry[4:8]))
-		if size <= 4 {
-			return entry[8 : 8+size], nil
-		}
-		offset := int(bo.Uint32(entry[8:12]))
-		if offset+size > len(exif) {
-			return nil, fmt.Errorf("exif tag value out of range")
-		}
-		return exif[offset : offset+size], nil
-	}
-	return nil, fmt.Errorf("exif tag 0x%04x not found", tag)
-}

pkg/waid/mediaid.go

@@ -33,7 +33,6 @@ const (
 	mediaIDTypeMessage         = 255
 	mediaIDTypeAvatar          = 254
 	mediaIDTypeCommunityAvatar = 253
-	mediaIDTypeStickerPackItem = 252
 )
 
 func MakeMediaID(messageInfo *types.MessageInfo, idOverride types.MessageID, receiver networkid.UserLoginID) networkid.MediaID {
@@ -83,28 +82,9 @@ type AvatarMediaInfo struct {
 	Community bool
 }
 
-func MakeStickerPackMediaID(packID string, fileHash []byte, receiver networkid.UserLoginID) networkid.MediaID {
-	receiverID := compactJID(ParseUserLoginID(receiver, 0))
-	mediaID := make([]byte, 0, 4+len(packID)+len(fileHash)+len(receiverID))
-	mediaID = append(mediaID, mediaIDTypeStickerPackItem)
-	mediaID = append(mediaID, byte(len(packID)))
-	mediaID = append(mediaID, packID...)
-	mediaID = append(mediaID, byte(len(fileHash)))
-	mediaID = append(mediaID, fileHash...)
-	mediaID = append(mediaID, byte(len(receiverID)))
-	mediaID = append(mediaID, receiverID...)
-	return mediaID
-}
-
-type StickerPackMediaInfo struct {
-	PackID   string
-	FileHash []byte
-}
-
 type ParsedMediaID struct {
 	Message   *ParsedMessageID
 	Avatar    *AvatarMediaInfo
-	Sticker   *StickerPackMediaInfo
 	UserLogin networkid.UserLoginID
 }
 
@@ -158,24 +138,6 @@ func ParseMediaID(mediaID networkid.MediaID) (*ParsedMediaID, error) {
 			Community: mediaIDType == mediaIDTypeCommunityAvatar,
 		}
 		parsed.UserLogin = MakeUserLoginID(receiverID)
-	case mediaIDTypeStickerPackItem:
-		packID, err := readCompact(&mediaID, parseString)
-		if err != nil {
-			return nil, fmt.Errorf("failed to parse sticker pack ID: %w", err)
-		}
-		fileHash, err := readCompact(&mediaID, rawBytes)
-		if err != nil {
-			return nil, fmt.Errorf("failed to parse sticker file hash: %w", err)
-		}
-		receiverID, err := readCompact(&mediaID, parseCompactJID)
-		if err != nil {
-			return nil, fmt.Errorf("failed to parse receiver JID: %w", err)
-		}
-		parsed.Sticker = &StickerPackMediaInfo{
-			PackID:   packID,
-			FileHash: fileHash,
-		}
-		parsed.UserLogin = MakeUserLoginID(receiverID)
 	default:
 		return nil, fmt.Errorf("unknown media ID type %d", mediaIDType)
 	}
@@ -284,10 +246,6 @@ func parseCompactJID(jid []byte) (types.JID, error) {
 	}
 }
 
-func rawBytes(data []byte) ([]byte, error) {
-	return data, nil
-}
-
 func readCompact[T any](data *networkid.MediaID, fn func(data []byte) (T, error)) (T, error) {
 	var defVal T
 	if len(*data) < 1 {