Use upstream whatsapp again (#809)

1 files changed, 63 insertions, 0 deletions

diff --git a/vendor/maunium.net/go/mautrix-whatsapp/whatsapp-ext/stream.go b/vendor/maunium.net/go/mautrix-whatsapp/whatsapp-ext/stream.go
new file mode 100644
index 00000000..85dbbd7d
--- /dev/null
+++ b/vendor/maunium.net/go/mautrix-whatsapp/whatsapp-ext/stream.go
@@ -0,0 +1,63 @@
+// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
+// Copyright (C) 2019 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 whatsappExt
+
+import (
+	"encoding/json"
+
+	"github.com/Rhymen/go-whatsapp"
+)
+
+type StreamType string
+
+const (
+	StreamUpdate = "update"
+	StreamSleep  = "asleep"
+)
+
+type StreamEvent struct {
+	Type    StreamType
+	Boolean bool
+	Version string
+}
+
+type StreamEventHandler interface {
+	whatsapp.Handler
+	HandleStreamEvent(StreamEvent)
+}
+
+func (ext *ExtendedConn) handleMessageStream(message []json.RawMessage) {
+	var event StreamEvent
+	err := json.Unmarshal(message[0], &event.Type)
+	if err != nil {
+		ext.jsonParseError(err)
+		return
+	}
+
+	if event.Type == StreamUpdate && len(message) > 4 {
+		json.Unmarshal(message[1], event.Boolean)
+		json.Unmarshal(message[2], event.Version)
+	}
+
+	for _, handler := range ext.handlers {
+		streamHandler, ok := handler.(StreamEventHandler)
+		if !ok {
+			continue
+		}
+		go streamHandler.HandleStreamEvent(event)
+	}
+}