mautrix-whatsapp/matrix.go

133 lines
4.9 KiB
Go

// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
// Copyright (C) 2022 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 main
import (
"fmt"
"go.mau.fi/whatsmeow/types"
"maunium.net/go/mautrix"
"maunium.net/go/mautrix/bridge"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/format"
"maunium.net/go/mautrix/id"
"maunium.net/go/mautrix-whatsapp/database"
)
func (br *WABridge) CreatePrivatePortal(roomID id.RoomID, brInviter bridge.User, brGhost bridge.Ghost) {
inviter := brInviter.(*User)
puppet := brGhost.(*Puppet)
key := database.NewPortalKey(puppet.JID, inviter.JID)
portal := br.GetPortalByJID(key)
if len(portal.MXID) == 0 {
br.createPrivatePortalFromInvite(roomID, inviter, puppet, portal)
return
}
ok := portal.ensureUserInvited(inviter)
if !ok {
br.Log.Warnfln("Failed to invite %s to existing private chat portal %s with %s. Redirecting portal to new room...", inviter.MXID, portal.MXID, puppet.JID)
br.createPrivatePortalFromInvite(roomID, inviter, puppet, portal)
return
}
intent := puppet.DefaultIntent()
errorMessage := fmt.Sprintf("You already have a private chat portal with me at [%[1]s](https://matrix.to/#/%[1]s)", portal.MXID)
errorContent := format.RenderMarkdown(errorMessage, true, false)
_, _ = intent.SendMessageEvent(roomID, event.EventMessage, errorContent)
br.Log.Debugfln("Leaving private chat room %s as %s after accepting invite from %s as we already have chat with the user", roomID, puppet.MXID, inviter.MXID)
_, _ = intent.LeaveRoom(roomID)
}
func (br *WABridge) createPrivatePortalFromInvite(roomID id.RoomID, inviter *User, puppet *Puppet, portal *Portal) {
// TODO check if room is already encrypted
var existingEncryption event.EncryptionEventContent
var encryptionEnabled bool
err := portal.MainIntent().StateEvent(roomID, event.StateEncryption, "", &existingEncryption)
if err != nil {
portal.log.Warnfln("Failed to check if encryption is enabled in private chat room %s", roomID)
} else {
encryptionEnabled = existingEncryption.Algorithm == id.AlgorithmMegolmV1
}
portal.MXID = roomID
portal.Topic = PrivateChatTopic
portal.Name = puppet.Displayname
portal.AvatarURL = puppet.AvatarURL
portal.Avatar = puppet.Avatar
portal.log.Infofln("Created private chat portal in %s after invite from %s", roomID, inviter.MXID)
intent := puppet.DefaultIntent()
if br.Config.Bridge.Encryption.Default || encryptionEnabled {
_, err := intent.InviteUser(roomID, &mautrix.ReqInviteUser{UserID: br.Bot.UserID})
if err != nil {
portal.log.Warnln("Failed to invite bridge bot to enable e2be:", err)
}
err = br.Bot.EnsureJoined(roomID)
if err != nil {
portal.log.Warnln("Failed to join as bridge bot to enable e2be:", err)
}
if !encryptionEnabled {
_, err = intent.SendStateEvent(roomID, event.StateEncryption, "", portal.GetEncryptionEventContent())
if err != nil {
portal.log.Warnln("Failed to enable e2be:", err)
}
}
br.AS.StateStore.SetMembership(roomID, inviter.MXID, event.MembershipJoin)
br.AS.StateStore.SetMembership(roomID, puppet.MXID, event.MembershipJoin)
br.AS.StateStore.SetMembership(roomID, br.Bot.UserID, event.MembershipJoin)
portal.Encrypted = true
}
_, _ = portal.MainIntent().SetRoomTopic(portal.MXID, portal.Topic)
if portal.shouldSetDMRoomMetadata() {
_, err = portal.MainIntent().SetRoomName(portal.MXID, portal.Name)
portal.NameSet = err == nil
_, err = portal.MainIntent().SetRoomAvatar(portal.MXID, portal.AvatarURL)
portal.AvatarSet = err == nil
}
portal.Update(nil)
portal.UpdateBridgeInfo()
_, _ = intent.SendNotice(roomID, "Private chat portal created")
}
func (br *WABridge) HandlePresence(evt *event.Event) {
user := br.GetUserByMXIDIfExists(evt.Sender)
if user == nil || !user.IsLoggedIn() {
return
}
customPuppet := br.GetPuppetByCustomMXID(user.MXID)
// TODO move this flag to the user and/or portal data
if customPuppet != nil && !customPuppet.EnablePresence {
return
}
presence := types.PresenceAvailable
if evt.Content.AsPresence().Presence != event.PresenceOnline {
presence = types.PresenceUnavailable
user.log.Debugln("Marking offline")
} else {
user.log.Debugln("Marking online")
}
user.lastPresence = presence
if user.Client.Store.PushName != "" {
err := user.Client.SendPresence(presence)
if err != nil {
user.log.Warnln("Failed to set presence:", err)
}
}
}