mautrix-discord/user.go

1485 lines
43 KiB
Go

package main
import (
"context"
"errors"
"fmt"
"math/rand"
"net/http"
"os"
"sort"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/bwmarrin/discordgo"
"github.com/gorilla/websocket"
"github.com/rs/zerolog"
"go.mau.fi/util/dbutil"
"maunium.net/go/mautrix"
"maunium.net/go/mautrix/appservice"
"maunium.net/go/mautrix/bridge"
"maunium.net/go/mautrix/bridge/bridgeconfig"
"maunium.net/go/mautrix/bridge/status"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/id"
"maunium.net/go/mautrix/pushrules"
"go.mau.fi/mautrix-discord/database"
)
var (
ErrNotConnected = errors.New("not connected")
ErrNotLoggedIn = errors.New("not logged in")
)
type User struct {
*database.User
sync.Mutex
bridge *DiscordBridge
log zerolog.Logger
PermissionLevel bridgeconfig.PermissionLevel
spaceCreateLock sync.Mutex
spaceMembershipChecked bool
dmSpaceMembershipChecked bool
Session *discordgo.Session
BridgeState *bridge.BridgeStateQueue
bridgeStateLock sync.Mutex
wasDisconnected bool
wasLoggedOut bool
markedOpened map[string]time.Time
markedOpenedLock sync.Mutex
pendingInteractions map[string]*WrappedCommandEvent
pendingInteractionsLock sync.Mutex
nextDiscordUploadID atomic.Int32
relationships map[string]*discordgo.Relationship
}
func (user *User) GetRemoteID() string {
return user.DiscordID
}
func (user *User) GetRemoteName() string {
if user.Session != nil && user.Session.State != nil && user.Session.State.User != nil {
if user.Session.State.User.Discriminator == "0" {
return fmt.Sprintf("@%s", user.Session.State.User.Username)
}
return fmt.Sprintf("%s#%s", user.Session.State.User.Username, user.Session.State.User.Discriminator)
}
return user.DiscordID
}
var discordLog zerolog.Logger
func discordToZeroLevel(level int) zerolog.Level {
switch level {
case discordgo.LogError:
return zerolog.ErrorLevel
case discordgo.LogWarning:
return zerolog.WarnLevel
case discordgo.LogInformational:
return zerolog.InfoLevel
case discordgo.LogDebug:
fallthrough
default:
return zerolog.DebugLevel
}
}
func init() {
discordgo.Logger = func(msgL, caller int, format string, a ...interface{}) {
discordLog.WithLevel(discordToZeroLevel(msgL)).Caller(caller+1).Msgf(strings.TrimSpace(format), a...) // zerolog-allow-msgf
}
}
func (user *User) GetPermissionLevel() bridgeconfig.PermissionLevel {
return user.PermissionLevel
}
func (user *User) GetManagementRoomID() id.RoomID {
return user.ManagementRoom
}
func (user *User) GetMXID() id.UserID {
return user.MXID
}
func (user *User) GetCommandState() map[string]interface{} {
return nil
}
func (user *User) GetIDoublePuppet() bridge.DoublePuppet {
p := user.bridge.GetPuppetByCustomMXID(user.MXID)
if p == nil || p.CustomIntent() == nil {
return nil
}
return p
}
func (user *User) GetIGhost() bridge.Ghost {
if user.DiscordID == "" {
return nil
}
p := user.bridge.GetPuppetByID(user.DiscordID)
if p == nil {
return nil
}
return p
}
var _ bridge.User = (*User)(nil)
func (br *DiscordBridge) loadUser(dbUser *database.User, mxid *id.UserID) *User {
if dbUser == nil {
if mxid == nil {
return nil
}
dbUser = br.DB.User.New()
dbUser.MXID = *mxid
dbUser.Insert()
}
user := br.NewUser(dbUser)
br.usersByMXID[user.MXID] = user
if user.DiscordID != "" {
br.usersByID[user.DiscordID] = user
}
if user.ManagementRoom != "" {
br.managementRoomsLock.Lock()
br.managementRooms[user.ManagementRoom] = user
br.managementRoomsLock.Unlock()
}
return user
}
func (br *DiscordBridge) GetUserByMXID(userID id.UserID) *User {
if userID == br.Bot.UserID || br.IsGhost(userID) {
return nil
}
br.usersLock.Lock()
defer br.usersLock.Unlock()
user, ok := br.usersByMXID[userID]
if !ok {
return br.loadUser(br.DB.User.GetByMXID(userID), &userID)
}
return user
}
func (br *DiscordBridge) GetUserByID(id string) *User {
br.usersLock.Lock()
defer br.usersLock.Unlock()
user, ok := br.usersByID[id]
if !ok {
return br.loadUser(br.DB.User.GetByID(id), nil)
}
return user
}
func (br *DiscordBridge) GetCachedUserByID(id string) *User {
br.usersLock.Lock()
defer br.usersLock.Unlock()
return br.usersByID[id]
}
func (br *DiscordBridge) GetCachedUserByMXID(userID id.UserID) *User {
br.usersLock.Lock()
defer br.usersLock.Unlock()
return br.usersByMXID[userID]
}
func (br *DiscordBridge) NewUser(dbUser *database.User) *User {
user := &User{
User: dbUser,
bridge: br,
log: br.ZLog.With().Str("user_id", string(dbUser.MXID)).Logger(),
markedOpened: make(map[string]time.Time),
PermissionLevel: br.Config.Bridge.Permissions.Get(dbUser.MXID),
pendingInteractions: make(map[string]*WrappedCommandEvent),
relationships: make(map[string]*discordgo.Relationship),
}
user.nextDiscordUploadID.Store(rand.Int31n(100))
user.BridgeState = br.NewBridgeStateQueue(user)
return user
}
func (br *DiscordBridge) getAllUsersWithToken() []*User {
br.usersLock.Lock()
defer br.usersLock.Unlock()
dbUsers := br.DB.User.GetAllWithToken()
users := make([]*User, len(dbUsers))
for idx, dbUser := range dbUsers {
user, ok := br.usersByMXID[dbUser.MXID]
if !ok {
user = br.loadUser(dbUser, nil)
}
users[idx] = user
}
return users
}
func (br *DiscordBridge) startUsers() {
br.ZLog.Debug().Msg("Starting users")
usersWithToken := br.getAllUsersWithToken()
for _, u := range usersWithToken {
go u.startupTryConnect(0)
}
if len(usersWithToken) == 0 {
br.SendGlobalBridgeState(status.BridgeState{StateEvent: status.StateUnconfigured}.Fill(nil))
}
br.ZLog.Debug().Msg("Starting custom puppets")
for _, customPuppet := range br.GetAllPuppetsWithCustomMXID() {
go func(puppet *Puppet) {
br.ZLog.Debug().Str("user_id", puppet.CustomMXID.String()).Msg("Starting custom puppet")
if err := puppet.StartCustomMXID(true); err != nil {
puppet.log.Error().Err(err).Msg("Failed to start custom puppet")
}
}(customPuppet)
}
}
func (user *User) startupTryConnect(retryCount int) {
user.BridgeState.Send(status.BridgeState{StateEvent: status.StateConnecting})
err := user.Connect()
if err != nil {
user.log.Error().Err(err).Msg("Error connecting on startup")
closeErr := &websocket.CloseError{}
if errors.As(err, &closeErr) && closeErr.Code == 4004 {
user.invalidAuthHandler(nil)
} else if retryCount < 6 {
user.BridgeState.Send(status.BridgeState{StateEvent: status.StateTransientDisconnect, Error: "dc-unknown-websocket-error", Message: err.Error()})
retryInSeconds := 2 << retryCount
user.log.Debug().Int("retry_in_seconds", retryInSeconds).Msg("Sleeping and retrying connection")
time.Sleep(time.Duration(retryInSeconds) * time.Second)
user.startupTryConnect(retryCount + 1)
} else {
user.BridgeState.Send(status.BridgeState{StateEvent: status.StateUnknownError, Error: "dc-unknown-websocket-error", Message: err.Error()})
}
}
}
func (user *User) SetManagementRoom(roomID id.RoomID) {
user.bridge.managementRoomsLock.Lock()
defer user.bridge.managementRoomsLock.Unlock()
existing, ok := user.bridge.managementRooms[roomID]
if ok {
existing.ManagementRoom = ""
existing.Update()
}
user.ManagementRoom = roomID
user.bridge.managementRooms[user.ManagementRoom] = user
user.Update()
}
func (user *User) getSpaceRoom(ptr *id.RoomID, name, topic string, parent id.RoomID) id.RoomID {
if len(*ptr) > 0 {
return *ptr
}
user.spaceCreateLock.Lock()
defer user.spaceCreateLock.Unlock()
if len(*ptr) > 0 {
return *ptr
}
initialState := []*event.Event{{
Type: event.StateRoomAvatar,
Content: event.Content{
Parsed: &event.RoomAvatarEventContent{
URL: user.bridge.Config.AppService.Bot.ParsedAvatar,
},
},
}}
if parent != "" {
parentIDStr := parent.String()
initialState = append(initialState, &event.Event{
Type: event.StateSpaceParent,
StateKey: &parentIDStr,
Content: event.Content{
Parsed: &event.SpaceParentEventContent{
Canonical: true,
Via: []string{user.bridge.AS.HomeserverDomain},
},
},
})
}
resp, err := user.bridge.Bot.CreateRoom(&mautrix.ReqCreateRoom{
Visibility: "private",
Name: name,
Topic: topic,
InitialState: initialState,
CreationContent: map[string]interface{}{
"type": event.RoomTypeSpace,
},
PowerLevelOverride: &event.PowerLevelsEventContent{
Users: map[id.UserID]int{
user.bridge.Bot.UserID: 9001,
user.MXID: 50,
},
},
})
if err != nil {
user.log.Error().Err(err).Msg("Failed to auto-create space room")
} else {
*ptr = resp.RoomID
user.Update()
user.ensureInvited(nil, *ptr, false, true)
if parent != "" {
_, err = user.bridge.Bot.SendStateEvent(parent, event.StateSpaceChild, resp.RoomID.String(), &event.SpaceChildEventContent{
Via: []string{user.bridge.AS.HomeserverDomain},
Order: " 0000",
})
if err != nil {
user.log.Error().Err(err).
Str("created_space_id", resp.RoomID.String()).
Str("parent_space_id", parent.String()).
Msg("Failed to add created space room to parent space")
}
}
}
return *ptr
}
func (user *User) GetSpaceRoom() id.RoomID {
return user.getSpaceRoom(&user.SpaceRoom, "Discord", "Your Discord bridged chats", "")
}
func (user *User) GetDMSpaceRoom() id.RoomID {
return user.getSpaceRoom(&user.DMSpaceRoom, "Direct Messages", "Your Discord direct messages", user.GetSpaceRoom())
}
func (user *User) ViewingChannel(portal *Portal) bool {
if portal.GuildID != "" || !user.Session.IsUser {
return false
}
user.markedOpenedLock.Lock()
defer user.markedOpenedLock.Unlock()
ts := user.markedOpened[portal.Key.ChannelID]
// TODO is there an expiry time?
if ts.IsZero() {
user.markedOpened[portal.Key.ChannelID] = time.Now()
err := user.Session.MarkViewing(portal.Key.ChannelID)
if err != nil {
user.log.Error().Err(err).
Str("channel_id", portal.Key.ChannelID).
Msg("Failed to mark user as viewing channel")
}
return true
}
return false
}
func (user *User) mutePortal(intent *appservice.IntentAPI, portal *Portal, unmute bool) {
if len(portal.MXID) == 0 || !user.bridge.Config.Bridge.MuteChannelsOnCreate {
return
}
var err error
if unmute {
user.log.Debug().Str("room_id", portal.MXID.String()).Msg("Unmuting portal")
err = intent.DeletePushRule("global", pushrules.RoomRule, string(portal.MXID))
} else {
user.log.Debug().Str("room_id", portal.MXID.String()).Msg("Muting portal")
err = intent.PutPushRule("global", pushrules.RoomRule, string(portal.MXID), &mautrix.ReqPutPushRule{
Actions: []pushrules.PushActionType{pushrules.ActionDontNotify},
})
}
if err != nil && !errors.Is(err, mautrix.MNotFound) {
user.log.Warn().Err(err).
Str("room_id", portal.MXID.String()).
Msg("Failed to update push rule through double puppet")
}
}
func (user *User) syncChatDoublePuppetDetails(portal *Portal, justCreated bool) {
doublePuppetIntent := portal.bridge.GetPuppetByCustomMXID(user.MXID).CustomIntent()
if doublePuppetIntent == nil || portal.MXID == "" {
return
}
// TODO sync mute status properly
if portal.GuildID != "" && user.bridge.Config.Bridge.MuteChannelsOnCreate && justCreated {
user.mutePortal(doublePuppetIntent, portal, false)
}
}
func (user *User) NextDiscordUploadID() string {
val := user.nextDiscordUploadID.Add(2)
return strconv.Itoa(int(val))
}
func (user *User) Login(token string) error {
user.bridgeStateLock.Lock()
user.wasLoggedOut = false
user.bridgeStateLock.Unlock()
user.DiscordToken = token
var err error
const maxRetries = 3
Loop:
for i := 0; i < maxRetries; i++ {
err = user.Connect()
if err == nil {
user.Update()
return nil
}
user.log.Error().Err(err).Msg("Error connecting for login")
closeErr := &websocket.CloseError{}
errors.As(err, &closeErr)
switch closeErr.Code {
case 4004, 4010, 4011, 4012, 4013, 4014:
break Loop
case 4000:
fallthrough
default:
if i < maxRetries-1 {
time.Sleep(time.Duration(i+1) * 2 * time.Second)
}
}
}
user.DiscordToken = ""
return err
}
func (user *User) IsLoggedIn() bool {
user.Lock()
defer user.Unlock()
return user.DiscordToken != ""
}
func (user *User) Logout(isOverwriting bool) {
user.Lock()
defer user.Unlock()
if user.DiscordID != "" {
puppet := user.bridge.GetPuppetByID(user.DiscordID)
if puppet.CustomMXID != "" {
err := puppet.SwitchCustomMXID("", "")
if err != nil {
user.log.Warn().Err(err).Msg("Failed to disable custom puppet while logging out of Discord")
}
}
}
if user.Session != nil {
if err := user.Session.Close(); err != nil {
user.log.Warn().Err(err).Msg("Error closing session")
}
}
user.Session = nil
user.DiscordToken = ""
user.ReadStateVersion = 0
if !isOverwriting {
user.bridge.usersLock.Lock()
if user.bridge.usersByID[user.DiscordID] == user {
delete(user.bridge.usersByID, user.DiscordID)
}
user.bridge.usersLock.Unlock()
}
user.DiscordID = ""
user.Update()
user.log.Info().Msg("User logged out")
}
func (user *User) Connected() bool {
user.Lock()
defer user.Unlock()
return user.Session != nil
}
const BotIntents = discordgo.IntentGuilds |
discordgo.IntentGuildMessages |
discordgo.IntentGuildMessageReactions |
discordgo.IntentGuildMessageTyping |
discordgo.IntentGuildBans |
discordgo.IntentGuildEmojis |
discordgo.IntentGuildIntegrations |
discordgo.IntentGuildInvites |
//discordgo.IntentGuildVoiceStates |
//discordgo.IntentGuildScheduledEvents |
discordgo.IntentDirectMessages |
discordgo.IntentDirectMessageTyping |
discordgo.IntentDirectMessageTyping |
// Privileged intents
discordgo.IntentMessageContent |
//discordgo.IntentGuildPresences |
discordgo.IntentGuildMembers
func (user *User) Connect() error {
user.Lock()
defer user.Unlock()
if user.DiscordToken == "" {
return ErrNotLoggedIn
}
user.log.Debug().Msg("Connecting to discord")
session, err := discordgo.New(user.DiscordToken)
if err != nil {
return err
}
// TODO move to config
if os.Getenv("DISCORD_DEBUG") == "1" {
session.LogLevel = discordgo.LogDebug
} else {
session.LogLevel = discordgo.LogInformational
}
userDiscordLog := user.log.With().Str("component", "discordgo").Logger()
session.Logger = func(msgL, caller int, format string, a ...interface{}) {
userDiscordLog.WithLevel(discordToZeroLevel(msgL)).Caller(caller+1).Msgf(strings.TrimSpace(format), a...) // zerolog-allow-msgf
}
if !session.IsUser {
session.Identify.Intents = BotIntents
}
session.EventHandler = user.eventHandlerSync
user.Session = session
for {
err = user.Session.Open()
if errors.Is(err, discordgo.ErrImmediateDisconnect) {
user.log.Warn().Err(err).Msg("Retrying initial connection in 5 seconds")
time.Sleep(5 * time.Second)
continue
}
return err
}
}
func (user *User) eventHandlerSync(rawEvt any) {
go user.eventHandler(rawEvt)
}
func (user *User) eventHandler(rawEvt any) {
switch evt := rawEvt.(type) {
case *discordgo.Ready:
user.readyHandler(evt)
case *discordgo.Resumed:
user.resumeHandler(evt)
case *discordgo.Connect:
user.connectedHandler(evt)
case *discordgo.Disconnect:
user.disconnectedHandler(evt)
case *discordgo.InvalidAuth:
user.invalidAuthHandler(evt)
case *discordgo.GuildCreate:
user.guildCreateHandler(evt)
case *discordgo.GuildDelete:
user.guildDeleteHandler(evt)
case *discordgo.GuildUpdate:
user.guildUpdateHandler(evt)
case *discordgo.GuildRoleCreate:
user.discordRoleToDB(evt.GuildID, evt.Role, nil, nil)
case *discordgo.GuildRoleUpdate:
user.discordRoleToDB(evt.GuildID, evt.Role, nil, nil)
case *discordgo.GuildRoleDelete:
user.bridge.DB.Role.DeleteByID(evt.GuildID, evt.RoleID)
case *discordgo.ChannelCreate:
user.channelCreateHandler(evt)
case *discordgo.ChannelDelete:
user.channelDeleteHandler(evt)
case *discordgo.ChannelUpdate:
user.channelUpdateHandler(evt)
case *discordgo.ChannelRecipientAdd:
user.channelRecipientAdd(evt)
case *discordgo.ChannelRecipientRemove:
user.channelRecipientRemove(evt)
case *discordgo.RelationshipAdd:
user.relationshipAddHandler(evt)
case *discordgo.RelationshipRemove:
user.relationshipRemoveHandler(evt)
case *discordgo.RelationshipUpdate:
user.relationshipUpdateHandler(evt)
case *discordgo.MessageCreate:
user.pushPortalMessage(evt, "message create", evt.ChannelID, evt.GuildID)
case *discordgo.MessageDelete:
user.pushPortalMessage(evt, "message delete", evt.ChannelID, evt.GuildID)
case *discordgo.MessageDeleteBulk:
user.pushPortalMessage(evt, "bulk message delete", evt.ChannelID, evt.GuildID)
case *discordgo.MessageUpdate:
user.pushPortalMessage(evt, "message update", evt.ChannelID, evt.GuildID)
case *discordgo.MessageReactionAdd:
user.pushPortalMessage(evt, "reaction add", evt.ChannelID, evt.GuildID)
case *discordgo.MessageReactionRemove:
user.pushPortalMessage(evt, "reaction remove", evt.ChannelID, evt.GuildID)
case *discordgo.MessageAck:
user.messageAckHandler(evt)
case *discordgo.TypingStart:
user.typingStartHandler(evt)
case *discordgo.InteractionSuccess:
user.interactionSuccessHandler(evt)
case *discordgo.ThreadListSync:
user.threadListSyncHandler(evt)
case *discordgo.Event:
// Ignore
default:
user.log.Debug().Type("event_type", evt).Msg("Unhandled event")
}
}
func (user *User) Disconnect() error {
user.Lock()
defer user.Unlock()
if user.Session == nil {
return ErrNotConnected
}
user.log.Info().Msg("Disconnecting session manually")
if err := user.Session.Close(); err != nil {
return err
}
user.Session = nil
return nil
}
func (user *User) getGuildBridgingMode(guildID string) database.GuildBridgingMode {
if guildID == "" {
return database.GuildBridgeEverything
}
guild := user.bridge.GetGuildByID(guildID, false)
if guild == nil {
return database.GuildBridgeNothing
}
return guild.BridgingMode
}
type ChannelSlice []*discordgo.Channel
func (s ChannelSlice) Len() int {
return len(s)
}
func (s ChannelSlice) Less(i, j int) bool {
if s[i].Position != 0 || s[j].Position != 0 {
return s[i].Position < s[j].Position
}
return compareMessageIDs(s[i].LastMessageID, s[j].LastMessageID) == 1
}
func (s ChannelSlice) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (user *User) readyHandler(r *discordgo.Ready) {
user.log.Debug().Msg("Discord connection ready")
user.bridgeStateLock.Lock()
user.wasLoggedOut = false
user.bridgeStateLock.Unlock()
if user.DiscordID != r.User.ID {
user.bridge.usersLock.Lock()
user.DiscordID = r.User.ID
if previousUser, ok := user.bridge.usersByID[user.DiscordID]; ok && previousUser != user {
user.log.Warn().
Str("previous_user_id", previousUser.MXID.String()).
Msg("Another user is logged in with same Discord ID, logging them out")
// TODO send notice?
previousUser.Logout(true)
}
user.bridge.usersByID[user.DiscordID] = user
user.bridge.usersLock.Unlock()
user.Update()
}
user.BridgeState.Send(status.BridgeState{StateEvent: status.StateBackfilling})
user.tryAutomaticDoublePuppeting()
for _, relationship := range r.Relationships {
user.relationships[relationship.ID] = relationship
}
updateTS := time.Now()
portalsInSpace := make(map[string]bool)
for _, guild := range user.GetPortals() {
portalsInSpace[guild.DiscordID] = guild.InSpace
}
for _, guild := range r.Guilds {
user.handleGuild(guild, updateTS, portalsInSpace[guild.ID])
}
// The private channel list doesn't seem to be sorted by default, so sort it by message IDs (highest=newest first)
sort.Sort(ChannelSlice(r.PrivateChannels))
for i, ch := range r.PrivateChannels {
portal := user.GetPortalByMeta(ch)
user.handlePrivateChannel(portal, ch, updateTS, i < user.bridge.Config.Bridge.PrivateChannelCreateLimit, portalsInSpace[portal.Key.ChannelID])
}
user.PrunePortalList(updateTS)
if r.ReadState != nil && r.ReadState.Version > user.ReadStateVersion {
// TODO can we figure out which read states are actually new?
for _, entry := range r.ReadState.Entries {
user.messageAckHandler(&discordgo.MessageAck{
MessageID: string(entry.LastMessageID),
ChannelID: entry.ID,
})
}
user.ReadStateVersion = r.ReadState.Version
user.Update()
}
go user.subscribeGuilds(2 * time.Second)
user.BridgeState.Send(status.BridgeState{StateEvent: status.StateConnected})
}
func (user *User) subscribeGuilds(delay time.Duration) {
if !user.Session.IsUser {
return
}
for _, guildMeta := range user.Session.State.Guilds {
guild := user.bridge.GetGuildByID(guildMeta.ID, false)
if guild != nil && guild.MXID != "" {
user.log.Debug().Str("guild_id", guild.ID).Msg("Subscribing to guild")
dat := discordgo.GuildSubscribeData{
GuildID: guild.ID,
Typing: true,
Activities: true,
Threads: true,
}
err := user.Session.SubscribeGuild(dat)
if err != nil {
user.log.Warn().Err(err).Str("guild_id", guild.ID).Msg("Failed to subscribe to guild")
}
time.Sleep(delay)
}
}
}
func (user *User) resumeHandler(_ *discordgo.Resumed) {
user.log.Debug().Msg("Discord connection resumed")
user.subscribeGuilds(0 * time.Second)
}
func (user *User) addPrivateChannelToSpace(portal *Portal) bool {
if portal.MXID == "" {
return false
}
_, err := user.bridge.Bot.SendStateEvent(user.GetDMSpaceRoom(), event.StateSpaceChild, portal.MXID.String(), &event.SpaceChildEventContent{
Via: []string{user.bridge.AS.HomeserverDomain},
})
if err != nil {
user.log.Error().Err(err).
Str("room_id", portal.MXID.String()).
Msg("Failed to add DMM room to user DM space")
return false
} else {
return true
}
}
func (user *User) relationshipAddHandler(r *discordgo.RelationshipAdd) {
user.log.Debug().Interface("relationship", r.Relationship).Msg("Relationship added")
user.relationships[r.ID] = r.Relationship
user.handleRelationshipChange(r.ID, r.Nickname)
}
func (user *User) relationshipUpdateHandler(r *discordgo.RelationshipUpdate) {
user.log.Debug().Interface("relationship", r.Relationship).Msg("Relationship update")
user.relationships[r.ID] = r.Relationship
user.handleRelationshipChange(r.ID, r.Nickname)
}
func (user *User) relationshipRemoveHandler(r *discordgo.RelationshipRemove) {
user.log.Debug().Str("other_user_id", r.ID).Msg("Relationship removed")
delete(user.relationships, r.ID)
user.handleRelationshipChange(r.ID, "")
}
func (user *User) handleRelationshipChange(userID, nickname string) {
puppet := user.bridge.GetPuppetByID(userID)
portal := user.FindPrivateChatWith(userID)
if portal == nil || puppet == nil {
return
}
updated := portal.FriendNick == (nickname != "")
portal.FriendNick = nickname != ""
if nickname != "" {
updated = portal.UpdateNameDirect(nickname, true)
} else if portal.Name != puppet.Name {
if portal.shouldSetDMRoomMetadata() {
updated = portal.UpdateNameDirect(puppet.Name, false)
} else if portal.NameSet {
_, err := portal.MainIntent().SendStateEvent(portal.MXID, event.StateRoomName, "", map[string]any{})
if err != nil {
portal.log.Warn().Err(err).Msg("Failed to clear room name after friend nickname was removed")
} else {
portal.log.Debug().Msg("Cleared room name after friend nickname was removed")
portal.NameSet = false
portal.Update()
updated = true
}
}
}
if !updated {
portal.Update()
}
}
func (user *User) handlePrivateChannel(portal *Portal, meta *discordgo.Channel, timestamp time.Time, create, isInSpace bool) {
if create && portal.MXID == "" {
err := portal.CreateMatrixRoom(user, meta)
if err != nil {
user.log.Error().Err(err).
Str("channel_id", portal.Key.ChannelID).
Msg("Failed to create portal for private channel in create handler")
}
} else {
portal.UpdateInfo(user, meta)
portal.ForwardBackfillMissed(user, meta.LastMessageID, nil)
}
user.MarkInPortal(database.UserPortal{
DiscordID: portal.Key.ChannelID,
Type: database.UserPortalTypeDM,
Timestamp: timestamp,
InSpace: isInSpace || user.addPrivateChannelToSpace(portal),
})
}
func (user *User) addGuildToSpace(guild *Guild, isInSpace bool, timestamp time.Time) bool {
if len(guild.MXID) > 0 && !isInSpace {
_, err := user.bridge.Bot.SendStateEvent(user.GetSpaceRoom(), event.StateSpaceChild, guild.MXID.String(), &event.SpaceChildEventContent{
Via: []string{user.bridge.AS.HomeserverDomain},
})
if err != nil {
user.log.Error().Err(err).
Str("guild_space_id", guild.MXID.String()).
Msg("Failed to add guild space to user space")
} else {
isInSpace = true
}
}
user.MarkInPortal(database.UserPortal{
DiscordID: guild.ID,
Type: database.UserPortalTypeGuild,
Timestamp: timestamp,
InSpace: isInSpace,
})
return isInSpace
}
func (user *User) discordRoleToDB(guildID string, role *discordgo.Role, dbRole *database.Role, txn dbutil.Execable) bool {
var changed bool
if dbRole == nil {
dbRole = user.bridge.DB.Role.New()
dbRole.ID = role.ID
dbRole.GuildID = guildID
changed = true
} else {
changed = dbRole.Name != role.Name ||
dbRole.Icon != role.Icon ||
dbRole.Mentionable != role.Mentionable ||
dbRole.Managed != role.Managed ||
dbRole.Hoist != role.Hoist ||
dbRole.Color != role.Color ||
dbRole.Position != role.Position ||
dbRole.Permissions != role.Permissions
}
dbRole.Role = *role
if changed {
dbRole.Upsert(txn)
}
return changed
}
func (user *User) handleGuildRoles(guildID string, newRoles []*discordgo.Role) {
existingRoles := user.bridge.DB.Role.GetAll(guildID)
existingRoleMap := make(map[string]*database.Role, len(existingRoles))
for _, role := range existingRoles {
existingRoleMap[role.ID] = role
}
txn, err := user.bridge.DB.Begin()
if err != nil {
user.log.Error().Err(err).Msg("Failed to start transaction for guild role sync")
panic(err)
}
for _, role := range newRoles {
user.discordRoleToDB(guildID, role, existingRoleMap[role.ID], txn)
delete(existingRoleMap, role.ID)
}
for _, removeRole := range existingRoleMap {
removeRole.Delete(txn)
}
err = txn.Commit()
if err != nil {
user.log.Error().Err(err).Msg("Failed to commit guild role sync transaction")
rollbackErr := txn.Rollback()
if rollbackErr != nil {
user.log.Error().Err(rollbackErr).Msg("Failed to rollback errored guild role sync transaction")
}
panic(err)
}
}
func (user *User) handleGuild(meta *discordgo.Guild, timestamp time.Time, isInSpace bool) {
guild := user.bridge.GetGuildByID(meta.ID, true)
guild.UpdateInfo(user, meta)
if len(meta.Channels) > 0 {
for _, ch := range meta.Channels {
if !user.channelIsBridgeable(ch) {
continue
}
portal := user.GetPortalByMeta(ch)
if guild.BridgingMode >= database.GuildBridgeEverything && portal.MXID == "" {
err := portal.CreateMatrixRoom(user, ch)
if err != nil {
user.log.Error().Err(err).
Str("guild_id", guild.ID).
Str("channel_id", ch.ID).
Msg("Failed to create portal for guild channel in guild handler")
}
} else {
portal.UpdateInfo(user, ch)
if user.bridge.Config.Bridge.Backfill.MaxGuildMembers < 0 || meta.MemberCount < user.bridge.Config.Bridge.Backfill.MaxGuildMembers {
portal.ForwardBackfillMissed(user, ch.LastMessageID, nil)
}
}
}
}
if len(meta.Roles) > 0 {
user.handleGuildRoles(meta.ID, meta.Roles)
}
user.addGuildToSpace(guild, isInSpace, timestamp)
}
func (user *User) connectedHandler(_ *discordgo.Connect) {
user.bridgeStateLock.Lock()
defer user.bridgeStateLock.Unlock()
user.log.Debug().Msg("Connected to Discord")
if user.wasDisconnected {
user.wasDisconnected = false
user.BridgeState.Send(status.BridgeState{StateEvent: status.StateConnected})
}
}
func (user *User) disconnectedHandler(_ *discordgo.Disconnect) {
user.bridgeStateLock.Lock()
defer user.bridgeStateLock.Unlock()
if user.wasLoggedOut {
user.log.Debug().Msg("Disconnected from Discord (not updating bridge state as user was just logged out)")
return
}
user.log.Debug().Msg("Disconnected from Discord")
user.wasDisconnected = true
user.BridgeState.Send(status.BridgeState{StateEvent: status.StateTransientDisconnect, Error: "dc-transient-disconnect", Message: "Temporarily disconnected from Discord, trying to reconnect"})
}
func (user *User) invalidAuthHandler(_ *discordgo.InvalidAuth) {
user.bridgeStateLock.Lock()
defer user.bridgeStateLock.Unlock()
user.log.Info().Msg("Got logged out from Discord due to invalid token")
user.wasLoggedOut = true
user.BridgeState.Send(status.BridgeState{StateEvent: status.StateBadCredentials, Error: "dc-websocket-disconnect-4004", Message: "Discord access token is no longer valid, please log in again"})
go user.Logout(false)
}
func (user *User) guildCreateHandler(g *discordgo.GuildCreate) {
user.log.Info().
Str("guild_id", g.ID).
Str("name", g.Name).
Bool("unavailable", g.Unavailable).
Msg("Got guild create event")
user.handleGuild(g.Guild, time.Now(), false)
}
func (user *User) guildDeleteHandler(g *discordgo.GuildDelete) {
if g.Unavailable {
user.log.Info().Str("guild_id", g.ID).Msg("Ignoring guild delete event with unavailable flag")
return
}
user.log.Info().Str("guild_id", g.ID).Msg("Got guild delete event")
user.MarkNotInPortal(g.ID)
guild := user.bridge.GetGuildByID(g.ID, false)
if guild == nil || guild.MXID == "" {
return
}
if user.bridge.Config.Bridge.DeleteGuildOnLeave && !user.PortalHasOtherUsers(g.ID) {
user.log.Debug().Str("guild_id", g.ID).Msg("No other users in guild, cleaning up all portals")
err := user.unbridgeGuild(g.ID)
if err != nil {
user.log.Warn().Err(err).Msg("Failed to unbridge guild that was deleted")
}
}
}
func (user *User) guildUpdateHandler(g *discordgo.GuildUpdate) {
user.log.Debug().Str("guild_id", g.ID).Msg("Got guild update event")
user.handleGuild(g.Guild, time.Now(), user.IsInSpace(g.ID))
}
func (user *User) threadListSyncHandler(t *discordgo.ThreadListSync) {
for _, meta := range t.Threads {
log := user.log.With().
Str("action", "thread list sync").
Str("guild_id", t.GuildID).
Str("parent_id", meta.ParentID).
Str("thread_id", meta.ID).
Logger()
ctx := log.WithContext(context.Background())
thread := user.bridge.GetThreadByID(meta.ID, nil)
if thread == nil {
msg := user.bridge.DB.Message.GetByDiscordID(database.NewPortalKey(meta.ParentID, ""), meta.ID)
if len(msg) == 0 {
log.Debug().Msg("Found unknown thread in thread list sync and don't have message")
} else {
log.Debug().Msg("Found unknown thread in thread list sync for existing message, creating thread")
user.bridge.threadFound(ctx, user, msg[0], meta.ID, meta)
}
} else {
thread.Parent.ForwardBackfillMissed(user, meta.LastMessageID, thread)
}
}
}
func (user *User) channelCreateHandler(c *discordgo.ChannelCreate) {
if user.getGuildBridgingMode(c.GuildID) < database.GuildBridgeEverything {
user.log.Debug().
Str("guild_id", c.GuildID).Str("channel_id", c.ID).
Msg("Ignoring channel create event in unbridged guild")
return
}
user.log.Info().
Str("guild_id", c.GuildID).Str("channel_id", c.ID).
Msg("Got channel create event")
portal := user.GetPortalByMeta(c.Channel)
if portal.MXID != "" {
return
}
if c.GuildID == "" {
user.handlePrivateChannel(portal, c.Channel, time.Now(), true, user.IsInSpace(portal.Key.String()))
} else if user.channelIsBridgeable(c.Channel) {
err := portal.CreateMatrixRoom(user, c.Channel)
if err != nil {
user.log.Error().Err(err).
Str("guild_id", c.GuildID).Str("channel_id", c.ID).
Msg("Error creating Matrix room after channel create event")
}
} else {
user.log.Debug().
Str("guild_id", c.GuildID).Str("channel_id", c.ID).
Msg("Got channel create event, but it's not bridgeable, ignoring")
}
}
func (user *User) channelDeleteHandler(c *discordgo.ChannelDelete) {
portal := user.GetExistingPortalByID(c.ID)
if portal == nil {
user.log.Debug().
Str("guild_id", c.GuildID).Str("channel_id", c.ID).
Msg("Ignoring channel delete event of unknown channel")
return
}
user.log.Info().
Str("guild_id", c.GuildID).Str("channel_id", c.ID).
Msg("Got channel delete event, cleaning up portal")
portal.Delete()
portal.cleanup(!user.bridge.Config.Bridge.DeletePortalOnChannelDelete)
if c.GuildID == "" {
user.MarkNotInPortal(portal.Key.ChannelID)
}
user.log.Debug().
Str("guild_id", c.GuildID).Str("channel_id", c.ID).
Msg("Completed cleaning up channel")
}
func (user *User) channelUpdateHandler(c *discordgo.ChannelUpdate) {
portal := user.GetPortalByMeta(c.Channel)
if c.GuildID == "" {
user.handlePrivateChannel(portal, c.Channel, time.Now(), true, user.IsInSpace(portal.Key.String()))
} else {
portal.UpdateInfo(user, c.Channel)
}
}
func (user *User) channelRecipientAdd(c *discordgo.ChannelRecipientAdd) {
portal := user.GetExistingPortalByID(c.ChannelID)
if portal != nil {
portal.syncParticipant(user, c.User, false)
}
}
func (user *User) channelRecipientRemove(c *discordgo.ChannelRecipientRemove) {
portal := user.GetExistingPortalByID(c.ChannelID)
if portal != nil {
portal.syncParticipant(user, c.User, true)
}
}
func (user *User) findPortal(channelID string) (*Portal, *Thread) {
portal := user.GetExistingPortalByID(channelID)
if portal != nil {
return portal, nil
}
thread := user.bridge.GetThreadByID(channelID, nil)
if thread != nil && thread.Parent != nil {
return thread.Parent, thread
}
if !user.Session.IsUser {
channel, _ := user.Session.State.Channel(channelID)
if channel == nil {
user.log.Debug().Str("channel_id", channelID).Msg("Fetching info of unknown channel to handle message")
var err error
channel, err = user.Session.Channel(channelID)
if err != nil {
user.log.Warn().Err(err).Str("channel_id", channelID).Msg("Failed to get info of unknown channel")
} else {
user.log.Debug().Str("channel_id", channelID).Msg("Got info for channel to handle message")
_ = user.Session.State.ChannelAdd(channel)
}
}
if channel != nil && user.channelIsBridgeable(channel) {
user.log.Debug().Str("channel_id", channelID).Msg("Creating portal and updating info to handle message")
portal = user.GetPortalByMeta(channel)
if channel.GuildID == "" {
user.handlePrivateChannel(portal, channel, time.Now(), false, false)
} else {
user.log.Warn().
Str("channel_id", channel.ID).Str("guild_id", channel.GuildID).
Msg("Unexpected unknown guild channel")
}
return portal, nil
}
}
return nil, nil
}
func (user *User) pushPortalMessage(msg interface{}, typeName, channelID, guildID string) {
if user.getGuildBridgingMode(guildID) <= database.GuildBridgeNothing {
// If guild bridging mode is nothing, don't even check if the portal exists
return
}
portal, thread := user.findPortal(channelID)
if portal == nil {
user.log.Debug().
Str("discord_event", typeName).
Str("guild_id", guildID).
Str("channel_id", channelID).
Msg("Dropping event in unknown channel")
return
}
if mode := user.getGuildBridgingMode(portal.GuildID); mode <= database.GuildBridgeNothing || (portal.MXID == "" && mode <= database.GuildBridgeIfPortalExists) {
return
}
wrappedMsg := portalDiscordMessage{
msg: msg,
user: user,
thread: thread,
}
select {
case portal.discordMessages <- wrappedMsg:
default:
user.log.Warn().
Str("discord_event", typeName).
Str("guild_id", guildID).
Str("channel_id", channelID).
Msg("Portal message buffer is full")
portal.discordMessages <- wrappedMsg
}
}
type CustomReadReceipt struct {
Timestamp int64 `json:"ts,omitempty"`
DoublePuppetSource string `json:"fi.mau.double_puppet_source,omitempty"`
}
type CustomReadMarkers struct {
mautrix.ReqSetReadMarkers
ReadExtra CustomReadReceipt `json:"com.beeper.read.extra"`
FullyReadExtra CustomReadReceipt `json:"com.beeper.fully_read.extra"`
}
func (user *User) makeReadMarkerContent(eventID id.EventID) *CustomReadMarkers {
var extra CustomReadReceipt
extra.DoublePuppetSource = user.bridge.Name
return &CustomReadMarkers{
ReqSetReadMarkers: mautrix.ReqSetReadMarkers{
Read: eventID,
FullyRead: eventID,
},
ReadExtra: extra,
FullyReadExtra: extra,
}
}
func (user *User) messageAckHandler(m *discordgo.MessageAck) {
portal := user.GetExistingPortalByID(m.ChannelID)
if portal == nil || portal.MXID == "" {
return
}
dp := user.GetIDoublePuppet()
if dp == nil {
return
}
msg := user.bridge.DB.Message.GetLastByDiscordID(portal.Key, m.MessageID)
if msg == nil {
user.log.Debug().
Str("channel_id", m.ChannelID).Str("message_id", m.MessageID).
Msg("Dropping message ack event for unknown message")
return
}
err := dp.CustomIntent().SetReadMarkers(portal.MXID, user.makeReadMarkerContent(msg.MXID))
if err != nil {
user.log.Error().Err(err).
Str("event_id", msg.MXID.String()).Str("message_id", msg.DiscordID).
Msg("Failed to mark event as read")
} else {
user.log.Debug().
Str("event_id", msg.MXID.String()).Str("message_id", msg.DiscordID).
Msg("Marked event as read after Discord message ack")
if user.ReadStateVersion < m.Version {
user.ReadStateVersion = m.Version
// TODO maybe don't update every time?
user.Update()
}
}
}
func (user *User) typingStartHandler(t *discordgo.TypingStart) {
if t.UserID == user.DiscordID {
return
}
portal := user.GetExistingPortalByID(t.ChannelID)
if portal == nil || portal.MXID == "" {
return
}
targetUser := user.bridge.GetCachedUserByID(t.UserID)
if targetUser != nil {
return
}
portal.handleDiscordTyping(t)
}
func (user *User) interactionSuccessHandler(s *discordgo.InteractionSuccess) {
user.pendingInteractionsLock.Lock()
defer user.pendingInteractionsLock.Unlock()
ce, ok := user.pendingInteractions[s.Nonce]
if !ok {
user.log.Debug().Str("nonce", s.Nonce).Str("id", s.ID).Msg("Got interaction success for unknown interaction")
} else {
user.log.Debug().Str("nonce", s.Nonce).Str("id", s.ID).Msg("Got interaction success for pending interaction")
ce.React("✅")
delete(user.pendingInteractions, s.Nonce)
}
}
func (user *User) ensureInvited(intent *appservice.IntentAPI, roomID id.RoomID, isDirect, ignoreCache bool) bool {
if roomID == "" {
return false
}
if intent == nil {
intent = user.bridge.Bot
}
if !ignoreCache && intent.StateStore.IsInvited(roomID, user.MXID) {
return true
}
ret := false
inviteContent := event.Content{
Parsed: &event.MemberEventContent{
Membership: event.MembershipInvite,
IsDirect: isDirect,
},
Raw: map[string]interface{}{},
}
customPuppet := user.bridge.GetPuppetByCustomMXID(user.MXID)
if customPuppet != nil && customPuppet.CustomIntent() != nil {
inviteContent.Raw["fi.mau.will_auto_accept"] = true
}
_, err := intent.SendStateEvent(roomID, event.StateMember, user.MXID.String(), &inviteContent)
var httpErr mautrix.HTTPError
if err != nil && errors.As(err, &httpErr) && httpErr.RespError != nil && strings.Contains(httpErr.RespError.Err, "is already in the room") {
user.bridge.StateStore.SetMembership(roomID, user.MXID, event.MembershipJoin)
ret = true
} else if err != nil {
user.log.Error().Err(err).Str("room_id", roomID.String()).Msg("Failed to invite user to room")
} else {
ret = true
}
if customPuppet != nil && customPuppet.CustomIntent() != nil {
err = customPuppet.CustomIntent().EnsureJoined(roomID, appservice.EnsureJoinedParams{IgnoreCache: true})
if err != nil {
user.log.Warn().Err(err).Str("room_id", roomID.String()).Msg("Failed to auto-join room")
ret = false
} else {
ret = true
}
}
return ret
}
func (user *User) getDirectChats() map[id.UserID][]id.RoomID {
chats := map[id.UserID][]id.RoomID{}
privateChats := user.bridge.DB.Portal.FindPrivateChatsOf(user.DiscordID)
for _, portal := range privateChats {
if portal.MXID != "" {
puppetMXID := user.bridge.FormatPuppetMXID(portal.Key.Receiver)
chats[puppetMXID] = []id.RoomID{portal.MXID}
}
}
return chats
}
func (user *User) updateDirectChats(chats map[id.UserID][]id.RoomID) {
if !user.bridge.Config.Bridge.SyncDirectChatList {
return
}
puppet := user.bridge.GetPuppetByMXID(user.MXID)
if puppet == nil {
return
}
intent := puppet.CustomIntent()
if intent == nil {
return
}
method := http.MethodPatch
if chats == nil {
chats = user.getDirectChats()
method = http.MethodPut
}
user.log.Debug().Msg("Updating m.direct list on homeserver")
var err error
if user.bridge.Config.Homeserver.Software == bridgeconfig.SoftwareAsmux {
urlPath := intent.BuildURL(mautrix.ClientURLPath{"unstable", "com.beeper.asmux", "dms"})
_, err = intent.MakeFullRequest(mautrix.FullRequest{
Method: method,
URL: urlPath,
Headers: http.Header{"X-Asmux-Auth": {user.bridge.AS.Registration.AppToken}},
RequestJSON: chats,
})
} else {
existingChats := map[id.UserID][]id.RoomID{}
err = intent.GetAccountData(event.AccountDataDirectChats.Type, &existingChats)
if err != nil {
user.log.Warn().Err(err).Msg("Failed to get m.direct event to update it")
return
}
for userID, rooms := range existingChats {
if _, ok := user.bridge.ParsePuppetMXID(userID); !ok {
// This is not a ghost user, include it in the new list
chats[userID] = rooms
} else if _, ok := chats[userID]; !ok && method == http.MethodPatch {
// This is a ghost user, but we're not replacing the whole list, so include it too
chats[userID] = rooms
}
}
err = intent.SetAccountData(event.AccountDataDirectChats.Type, &chats)
}
if err != nil {
user.log.Warn().Err(err).Msg("Failed to update m.direct event")
}
}
func (user *User) bridgeGuild(guildID string, everything bool) error {
guild := user.bridge.GetGuildByID(guildID, false)
if guild == nil {
return errors.New("guild not found")
}
meta, _ := user.Session.State.Guild(guildID)
err := guild.CreateMatrixRoom(user, meta)
if err != nil {
return err
}
log := user.log.With().Str("guild_id", guild.ID).Logger()
user.addGuildToSpace(guild, false, time.Now())
for _, ch := range meta.Channels {
portal := user.GetPortalByMeta(ch)
if (everything && user.channelIsBridgeable(ch)) || ch.Type == discordgo.ChannelTypeGuildCategory {
err = portal.CreateMatrixRoom(user, ch)
if err != nil {
log.Error().Err(err).Str("channel_id", ch.ID).
Msg("Failed to create room for guild channel while bridging guild")
}
}
}
if everything {
guild.BridgingMode = database.GuildBridgeEverything
} else {
guild.BridgingMode = database.GuildBridgeCreateOnMessage
}
guild.Update()
if user.Session.IsUser {
log.Debug().Msg("Subscribing to guild after bridging")
err = user.Session.SubscribeGuild(discordgo.GuildSubscribeData{
GuildID: guild.ID,
Typing: true,
Activities: true,
Threads: true,
})
if err != nil {
log.Warn().Err(err).Msg("Failed to subscribe to guild")
}
}
return nil
}
func (user *User) unbridgeGuild(guildID string) error {
if user.PermissionLevel < bridgeconfig.PermissionLevelAdmin && user.PortalHasOtherUsers(guildID) {
return errors.New("only bridge admins can unbridge guilds with other users")
}
guild := user.bridge.GetGuildByID(guildID, false)
if guild == nil {
return errors.New("guild not found")
}
guild.roomCreateLock.Lock()
defer guild.roomCreateLock.Unlock()
if guild.BridgingMode == database.GuildBridgeNothing && guild.MXID == "" {
return errors.New("that guild is not bridged")
}
guild.BridgingMode = database.GuildBridgeNothing
guild.Update()
for _, portal := range user.bridge.GetAllPortalsInGuild(guild.ID) {
portal.cleanup(false)
portal.RemoveMXID()
}
guild.cleanup()
guild.RemoveMXID()
return nil
}