Add/fix sticker bridging in both directions

* Matrix stickers are sent as images
* WhatsApp stickers were missing the incoming event handler

Fixes #124
Fixes #127
Closes #126
Closes #129

Co-authored-by: rafaeltheraven <rafael.dulfer@gmail.com>

go.mod

@@ -13,10 +13,10 @@ require (
 	maunium.net/go/mauflag v1.0.0
 	maunium.net/go/maulogger/v2 v2.0.0
 	maunium.net/go/mautrix v0.1.0-alpha.3.0.20191230181907-055c3acd81cd
-	maunium.net/go/mautrix-appservice v0.1.0-alpha.3.0.20191230181948-bf5d2e16a792
+	maunium.net/go/mautrix-appservice v0.1.0-alpha.3.0.20191230184104-a0aaaf14b728
 )
 
 replace (
-	github.com/Rhymen/go-whatsapp => github.com/tulir/go-whatsapp v0.0.2-0.20191109203156-c477dae1c7e9
+	github.com/Rhymen/go-whatsapp => github.com/tulir/go-whatsapp v0.0.2-0.20191231181428-a986c510d200
 	gopkg.in/russross/blackfriday.v2 => github.com/russross/blackfriday/v2 v2.0.1
 )

go.sum

@@ -13,6 +13,9 @@ github.com/gorilla/mux v1.7.2 h1:zoNxOV7WjqXptQOVngLmcSQgXmgk4NMz1HibBchjl/I=
 github.com/gorilla/mux v1.7.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
 github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/lib/pq v1.1.1 h1:sJZmqHoEaY7f+NPP8pgLB/WxulyR3fewgCM2qaSlBb4=
 github.com/lib/pq v1.1.1/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/mattn/go-colorable v0.1.1/go.mod h1:FuOcm+DKB9mbwrcAfNl7/TZVBZ6rcnceauSikq3lYCQ=
@@ -47,6 +50,8 @@ github.com/tulir/go-whatsapp v0.0.2-0.20190903182221-4e1a838ff3ba h1:exEcedSHn0q
 github.com/tulir/go-whatsapp v0.0.2-0.20190903182221-4e1a838ff3ba/go.mod h1:u3Hdptbz3iB5y/NEoSKgsp9hBzUlm0A5OrLMVdENAX8=
 github.com/tulir/go-whatsapp v0.0.2-0.20191109203156-c477dae1c7e9 h1:WyLOadcpkAvoyaGfUvBgj/mTHetzliBGFioEEtM+Ac8=
 github.com/tulir/go-whatsapp v0.0.2-0.20191109203156-c477dae1c7e9/go.mod h1:ustkccVUt0hOuKikjFb6b4Eray6At5djkcKYYu4+Lco=
+github.com/tulir/go-whatsapp v0.0.2-0.20191231181428-a986c510d200 h1:CWqIgkDM96F9s4V536FZr/WoN+LL3ywUZLH9Feir3kY=
+github.com/tulir/go-whatsapp v0.0.2-0.20191231181428-a986c510d200/go.mod h1:ustkccVUt0hOuKikjFb6b4Eray6At5djkcKYYu4+Lco=
 golang.org/x/crypto v0.0.0-20190131182504-b8fe1690c613/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -92,3 +97,5 @@ maunium.net/go/mautrix-appservice v0.1.0-alpha.3.0.20190901152202-40639f5932be/g
 maunium.net/go/mautrix-appservice v0.1.0-alpha.3.0.20191110192030-cd699619a163/go.mod h1:ST7YYCoHtFC4c7/Iga8W5wwKXyxjwVh4DlsnyIU6rYw=
 maunium.net/go/mautrix-appservice v0.1.0-alpha.3.0.20191230181948-bf5d2e16a792 h1:7Lxt/h4TnC6Z9PfnggdD4e7IasxdnYzrXmtTmedbSpU=
 maunium.net/go/mautrix-appservice v0.1.0-alpha.3.0.20191230181948-bf5d2e16a792/go.mod h1:ek/PBMaq4AxuI5NP+XAq5Ma2u+ZTjUUaUr6dh4w9zSw=
+maunium.net/go/mautrix-appservice v0.1.0-alpha.3.0.20191230184104-a0aaaf14b728 h1:pJXS+GUB5zClAB8cIJ/bjf9tKFJtjt+VbTfdLZm6qzA=
+maunium.net/go/mautrix-appservice v0.1.0-alpha.3.0.20191230184104-a0aaaf14b728/go.mod h1:RfFZ/Z6uBSbpUQVkiEhG3P1EBaPK5kc+AGKtuMMbg9k=

matrix.go

@@ -44,6 +44,7 @@ func NewMatrixHandler(bridge *Bridge) *MatrixHandler {
 		cmd:    NewCommandHandler(bridge),
 	}
 	bridge.EventProcessor.On(mautrix.EventMessage, handler.HandleMessage)
+	bridge.EventProcessor.On(mautrix.EventSticker, handler.HandleMessage)
 	bridge.EventProcessor.On(mautrix.EventRedaction, handler.HandleRedaction)
 	bridge.EventProcessor.On(mautrix.StateMember, handler.HandleMembership)
 	bridge.EventProcessor.On(mautrix.StateRoomName, handler.HandleRoomMetadata)

portal.go

@@ -946,7 +946,10 @@ func (portal *Portal) HandleMediaMessage(source *User, download func() ([]byte,
 	}
 
 	data, err := download()
-	if err != nil {
+	if err == whatsapp.ErrNoURLPresent {
+		portal.log.Debugln("No URL present error for media message %s, ignoring...", info.Id)
+		return
+	} else if err != nil {
 		portal.log.Errorfln("Failed to download media for %s: %v", info.Id, err)
 		resp, err := portal.MainIntent().SendNotice(portal.MXID, "Failed to bridge media")
 		if err != nil {
@@ -1234,6 +1237,9 @@ func (portal *Portal) HandleMatrixMessage(sender *User, evt *mautrix.Event) {
 			sender = portal.bridge.Relaybot
 		}
 	}
+	if evt.Type == mautrix.EventSticker {
+		evt.Content.MsgType = mautrix.MsgImage
+	}
 	var err error
 	switch evt.Content.MsgType {
 	case mautrix.MsgText, mautrix.MsgEmote:

user.go

@@ -366,8 +366,8 @@ func (user *User) PostLogin() {
 }
 
 func (user *User) tryAutomaticDoublePuppeting() {
-	if len(user.bridge.Config.Bridge.LoginSharedSecret) == 0 {
+	if len(user.bridge.Config.Bridge.LoginSharedSecret) == 0 || !strings.HasSuffix(user.MXID, user.bridge.Config.Homeserver.Domain) {
-		// Automatic login not enabled
+		// Automatic login not enabled or user is on another homeserver
 		return
 	}
 
@@ -394,7 +394,6 @@ func (user *User) intPostLogin() {
 	user.createCommunity()
 	user.tryAutomaticDoublePuppeting()
 
-
 	select {
 	case <-user.chatListReceived:
 		user.log.Debugln("Chat list receive confirmation received in PostLogin")
@@ -633,6 +632,10 @@ func (user *User) HandleImageMessage(message whatsapp.ImageMessage) {
 	user.putMessage(PortalMessage{message.Info.RemoteJid, user, message, message.Info.Timestamp})
 }
 
+func (user *User) HandleStickerMessage(message whatsapp.StickerMessage) {
+	user.putMessage(PortalMessage{message.Info.RemoteJid, user, message, message.Info.Timestamp})
+}
+
 func (user *User) HandleVideoMessage(message whatsapp.VideoMessage) {
 	user.putMessage(PortalMessage{message.Info.RemoteJid, user, message, message.Info.Timestamp})
 }