Add initial WhatsApp support (#711)

2019-02-21 20:28:13 +01:00
parent 46f4bbb3b5
commit 55e79063d6
83 changed files with 24231 additions and 3500 deletions
@@ -0,0 +1,90 @@
+// 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"
+	"strings"
+
+	"github.com/Rhymen/go-whatsapp"
+)
+
+type MsgInfoCommand string
+
+const (
+	MsgInfoCommandAck  MsgInfoCommand = "ack"
+	MsgInfoCommandAcks MsgInfoCommand = "acks"
+)
+
+type Acknowledgement int
+
+const (
+	AckMessageSent      Acknowledgement = 1
+	AckMessageDelivered Acknowledgement = 2
+	AckMessageRead      Acknowledgement = 3
+)
+
+type JSONStringOrArray []string
+
+func (jsoa *JSONStringOrArray) UnmarshalJSON(data []byte) error {
+	var str string
+	if json.Unmarshal(data, &str) == nil {
+		*jsoa = []string{str}
+		return nil
+	}
+	var strs []string
+	json.Unmarshal(data, &strs)
+	*jsoa = strs
+	return nil
+}
+
+type MsgInfo struct {
+	Command         MsgInfoCommand    `json:"cmd"`
+	IDs             JSONStringOrArray `json:"id"`
+	Acknowledgement Acknowledgement   `json:"ack"`
+	MessageFromJID  string            `json:"from"`
+	SenderJID       string            `json:"participant"`
+	ToJID           string            `json:"to"`
+	Timestamp       int64             `json:"t"`
+}
+
+type MsgInfoHandler interface {
+	whatsapp.Handler
+	HandleMsgInfo(MsgInfo)
+}
+
+func (ext *ExtendedConn) handleMessageMsgInfo(msgType JSONMessageType, message []byte) {
+	var event MsgInfo
+	err := json.Unmarshal(message, &event)
+	if err != nil {
+		ext.jsonParseError(err)
+		return
+	}
+	event.MessageFromJID = strings.Replace(event.MessageFromJID, OldUserSuffix, NewUserSuffix, 1)
+	event.SenderJID = strings.Replace(event.SenderJID, OldUserSuffix, NewUserSuffix, 1)
+	event.ToJID = strings.Replace(event.ToJID, OldUserSuffix, NewUserSuffix, 1)
+	if msgType == MessageMsg {
+		event.SenderJID = event.ToJID
+	}
+	for _, handler := range ext.handlers {
+		msgInfoHandler, ok := handler.(MsgInfoHandler)
+		if !ok {
+			continue
+		}
+		go msgInfoHandler.HandleMsgInfo(event)
+	}
+}