Add initial WhatsApp support (#711)

vendor/maunium.net/go/mautrix-whatsapp/whatsapp-ext/props.go

@@ -0,0 +1,68 @@
+// 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 ProtocolProps struct {
+	WebPresence            bool   `json:"webPresence"`
+	NotificationQuery      bool   `json:"notificationQuery"`
+	FacebookCrashLog       bool   `json:"fbCrashlog"`
+	Bucket                 string `json:"bucket"`
+	GIFSearch              string `json:"gifSearch"`
+	Spam                   bool   `json:"SPAM"`
+	SetBlock               bool   `json:"SET_BLOCK"`
+	MessageInfo            bool   `json:"MESSAGE_INFO"`
+	MaxFileSize            int    `json:"maxFileSize"`
+	Media                  int    `json:"media"`
+	GroupNameLength        int    `json:"maxSubject"`
+	GroupDescriptionLength int    `json:"groupDescLength"`
+	MaxParticipants        int    `json:"maxParticipants"`
+	VideoMaxEdge           int    `json:"videoMaxEdge"`
+	ImageMaxEdge           int    `json:"imageMaxEdge"`
+	ImageMaxKilobytes      int    `json:"imageMaxKBytes"`
+	Edit                   int    `json:"edit"`
+	FwdUIStartTimestamp    int    `json:"fwdUiStartTs"`
+	GroupsV3               int    `json:"groupsV3"`
+	RestrictGroups         int    `json:"restrictGroups"`
+	AnnounceGroups         int    `json:"announceGroups"`
+}
+
+type ProtocolPropsHandler interface {
+	whatsapp.Handler
+	HandleProtocolProps(ProtocolProps)
+}
+
+func (ext *ExtendedConn) handleMessageProps(message []byte) {
+	var event ProtocolProps
+	err := json.Unmarshal(message, &event)
+	if err != nil {
+		ext.jsonParseError(err)
+		return
+	}
+	for _, handler := range ext.handlers {
+		protocolPropsHandler, ok := handler.(ProtocolPropsHandler)
+		if !ok {
+			continue
+		}
+		go protocolPropsHandler.HandleProtocolProps(event)
+	}
+}