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commands.go
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// mautrix-discord - A Matrix-Discord 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 (
"bytes"
"context"
"encoding/base64"
"errors"
"fmt"
"html"
"net/http"
"strconv"
"strings"
"github.com/bwmarrin/discordgo"
"github.com/skip2/go-qrcode"
"maunium.net/go/mautrix"
"maunium.net/go/mautrix/appservice"
"maunium.net/go/mautrix/bridge/bridgeconfig"
"maunium.net/go/mautrix/bridge/commands"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/id"
"go.mau.fi/mautrix-discord/database"
"go.mau.fi/mautrix-discord/remoteauth"
)
type WrappedCommandEvent struct {
*commands.Event
Bridge *DiscordBridge
User *User
Portal *Portal
}
var HelpSectionPortalManagement = commands.HelpSection{Name: "Portal management", Order: 20}
func (br *DiscordBridge) RegisterCommands() {
proc := br.CommandProcessor.(*commands.Processor)
proc.AddHandlers(
cmdLoginToken,
cmdLoginQR,
cmdLogout,
cmdPing,
cmdReconnect,
cmdDisconnect,
cmdBridge,
cmdUnbridge,
cmdDeletePortal,
cmdCreatePortal,
cmdSetRelay,
cmdUnsetRelay,
cmdGuilds,
cmdRejoinSpace,
cmdDeleteAllPortals,
cmdExec,
cmdCommands,
)
}
func wrapCommand(handler func(*WrappedCommandEvent)) func(*commands.Event) {
return func(ce *commands.Event) {
user := ce.User.(*User)
var portal *Portal
if ce.Portal != nil {
portal = ce.Portal.(*Portal)
}
br := ce.Bridge.Child.(*DiscordBridge)
handler(&WrappedCommandEvent{ce, br, user, portal})
}
}
var cmdLoginToken = &commands.FullHandler{
Func: wrapCommand(fnLoginToken),
Name: "login-token",
Help: commands.HelpMeta{
Section: commands.HelpSectionAuth,
Description: "Link the bridge to your Discord account by extracting the access token manually.",
Args: "<user/bot/oauth> <_token_>",
},
}
const discordTokenEpoch = 1293840000
func decodeToken(token string) (userID int64, err error) {
parts := strings.Split(token, ".")
if len(parts) != 3 {
err = fmt.Errorf("invalid number of parts in token")
return
}
var userIDStr []byte
userIDStr, err = base64.RawURLEncoding.DecodeString(parts[0])
if err != nil {
err = fmt.Errorf("invalid base64 in user ID part: %w", err)
return
}
_, err = base64.RawURLEncoding.DecodeString(parts[1])
if err != nil {
err = fmt.Errorf("invalid base64 in random part: %w", err)
return
}
_, err = base64.RawURLEncoding.DecodeString(parts[2])
if err != nil {
err = fmt.Errorf("invalid base64 in checksum part: %w", err)
return
}
userID, err = strconv.ParseInt(string(userIDStr), 10, 64)
if err != nil {
err = fmt.Errorf("invalid number in decoded user ID part: %w", err)
return
}
return
}
func fnLoginToken(ce *WrappedCommandEvent) {
if len(ce.Args) != 2 {
ce.Reply("**Usage**: `$cmdprefix login-token <user/bot/oauth> <token>`")
return
}
ce.MarkRead()
defer ce.Redact()
if ce.User.IsLoggedIn() {
ce.Reply("You're already logged in")
return
}
token := ce.Args[1]
userID, err := decodeToken(token)
if err != nil {
ce.Reply("Invalid token")
return
}
switch strings.ToLower(ce.Args[0]) {
case "user":
// Token is used as-is
case "bot":
token = "Bot " + token
case "oauth":
token = "Bearer " + token
default:
ce.Reply("Token type must be `user`, `bot` or `oauth`")
return
}
ce.Reply("Connecting to Discord as user ID %d", userID)
if err = ce.User.Login(token); err != nil {
ce.Reply("Error connecting to Discord: %v", err)
return
}
ce.Reply("Successfully logged in as @%s", ce.User.Session.State.User.Username)
}
var cmdLoginQR = &commands.FullHandler{
Func: wrapCommand(fnLoginQR),
Name: "login-qr",
Aliases: []string{"login"},
Help: commands.HelpMeta{
Section: commands.HelpSectionAuth,
Description: "Link the bridge to your Discord account by scanning a QR code.",
},
}
func fnLoginQR(ce *WrappedCommandEvent) {
if ce.User.IsLoggedIn() {
ce.Reply("You're already logged in")
return
}
client, err := remoteauth.New()
if err != nil {
ce.Reply("Failed to prepare login: %v", err)
return
}
qrChan := make(chan string)
doneChan := make(chan struct{})
var qrCodeEvent id.EventID
go func() {
code := <-qrChan
resp := sendQRCode(ce, code)
qrCodeEvent = resp
}()
ctx := context.Background()
if err = client.Dial(ctx, qrChan, doneChan); err != nil {
close(qrChan)
close(doneChan)
ce.Reply("Error connecting to login websocket: %v", err)
return
}
<-doneChan
if qrCodeEvent != "" {
_, _ = ce.MainIntent().RedactEvent(ce.RoomID, qrCodeEvent)
}
user, err := client.Result()
if err != nil || len(user.Token) == 0 {
if restErr := (&discordgo.RESTError{}); errors.As(err, &restErr) &&
restErr.Response.StatusCode == http.StatusBadRequest &&
bytes.Contains(restErr.ResponseBody, []byte("captcha-required")) {
ce.Reply("Error logging in: %v\n\nCAPTCHAs are currently not supported - use token login instead", err)
} else {
ce.Reply("Error logging in: %v", err)
}
return
} else if err = ce.User.Login(user.Token); err != nil {
ce.Reply("Error connecting after login: %v", err)
return
}
ce.User.Lock()
ce.User.DiscordID = user.UserID
ce.User.Update()
ce.User.Unlock()
ce.Reply("Successfully logged in as @%s", user.Username)
}
func sendQRCode(ce *WrappedCommandEvent, code string) id.EventID {
url, ok := uploadQRCode(ce, code)
if !ok {
return ""
}
content := event.MessageEventContent{
MsgType: event.MsgImage,
Body: code,
URL: url.CUString(),
}
resp, err := ce.Bot.SendMessageEvent(ce.RoomID, event.EventMessage, &content)
if err != nil {
ce.Log.Errorfln("Failed to send QR code: %v", err)
return ""
}
return resp.EventID
}
func uploadQRCode(ce *WrappedCommandEvent, code string) (id.ContentURI, bool) {
qrCode, err := qrcode.Encode(code, qrcode.Low, 256)
if err != nil {
ce.Log.Errorln("Failed to encode QR code:", err)
ce.Reply("Failed to encode QR code: %v", err)
return id.ContentURI{}, false
}
resp, err := ce.Bot.UploadBytes(qrCode, "image/png")
if err != nil {
ce.Log.Errorln("Failed to upload QR code:", err)
ce.Reply("Failed to upload QR code: %v", err)
return id.ContentURI{}, false
}
return resp.ContentURI, true
}
var cmdLogout = &commands.FullHandler{
Func: wrapCommand(fnLogout),
Name: "logout",
Help: commands.HelpMeta{
Section: commands.HelpSectionAuth,
Description: "Forget the stored Discord auth token.",
},
}
func fnLogout(ce *WrappedCommandEvent) {
wasLoggedIn := ce.User.DiscordID != ""
ce.User.Logout(false)
if wasLoggedIn {
ce.Reply("Logged out successfully.")
} else {
ce.Reply("You weren't logged in, but data was re-cleared just to be safe.")
}
}
var cmdPing = &commands.FullHandler{
Func: wrapCommand(fnPing),
Name: "ping",
Help: commands.HelpMeta{
Section: commands.HelpSectionAuth,
Description: "Check your connection to Discord",
},
}
func fnPing(ce *WrappedCommandEvent) {
if ce.User.Session == nil {
if ce.User.DiscordToken == "" {
ce.Reply("You're not logged in")
} else {
ce.Reply("You have a Discord token stored, but are not connected for some reason 🤔")
}
} else if ce.User.wasDisconnected {
ce.Reply("You're logged in, but the Discord connection seems to be dead 💥")
} else {
ce.Reply("You're logged in as @%s (`%s`)", ce.User.Session.State.User.Username, ce.User.DiscordID)
}
}
var cmdDisconnect = &commands.FullHandler{
Func: wrapCommand(fnDisconnect),
Name: "disconnect",
Help: commands.HelpMeta{
Section: commands.HelpSectionAuth,
Description: "Disconnect from Discord (without logging out)",
},
RequiresLogin: true,
}
func fnDisconnect(ce *WrappedCommandEvent) {
if !ce.User.Connected() {
ce.Reply("You're already not connected")
} else if err := ce.User.Disconnect(); err != nil {
ce.Reply("Error while disconnecting: %v", err)
} else {
ce.Reply("Successfully disconnected")
}
}
var cmdReconnect = &commands.FullHandler{
Func: wrapCommand(fnReconnect),
Name: "reconnect",
Aliases: []string{"connect"},
Help: commands.HelpMeta{
Section: commands.HelpSectionAuth,
Description: "Reconnect to Discord after disconnecting",
},
RequiresLogin: true,
}
func fnReconnect(ce *WrappedCommandEvent) {
if ce.User.Connected() {
ce.Reply("You're already connected")
} else if err := ce.User.Connect(); err != nil {
ce.Reply("Error while reconnecting: %v", err)
} else {
ce.Reply("Successfully reconnected")
}
}
var cmdRejoinSpace = &commands.FullHandler{
Func: wrapCommand(fnRejoinSpace),
Name: "rejoin-space",
Help: commands.HelpMeta{
Section: HelpSectionPortalManagement,
Description: "Ask the bridge for an invite to a space you left",
Args: "<_guild ID_/main/dms>",
},
RequiresLogin: true,
}
func fnRejoinSpace(ce *WrappedCommandEvent) {
if len(ce.Args) == 0 {
ce.Reply("**Usage**: `$cmdprefix rejoin-space <guild ID/main/dms>`")
return
}
user := ce.User
if ce.Args[0] == "main" {
user.ensureInvited(nil, user.GetSpaceRoom(), false, true)
ce.Reply("Invited you to your main space ([link](%s))", user.GetSpaceRoom().URI(ce.Bridge.AS.HomeserverDomain).MatrixToURL())
} else if ce.Args[0] == "dms" {
user.ensureInvited(nil, user.GetDMSpaceRoom(), false, true)
ce.Reply("Invited you to your DM space ([link](%s))", user.GetDMSpaceRoom().URI(ce.Bridge.AS.HomeserverDomain).MatrixToURL())
} else if _, err := strconv.Atoi(ce.Args[0]); err == nil {
ce.Reply("Rejoining guild spaces is not yet implemented")
} else {
ce.Reply("**Usage**: `$cmdprefix rejoin-space <guild ID/main/dms>`")
return
}
}
var roomModerator = event.Type{Type: "fi.mau.discord.admin", Class: event.StateEventType}
var cmdSetRelay = &commands.FullHandler{
Func: wrapCommand(fnSetRelay),
Name: "set-relay",
Help: commands.HelpMeta{
Section: HelpSectionPortalManagement,
Description: "Create or set a relay webhook for a portal",
Args: "[room ID] <--url URL> OR <--create [name]>",
},
RequiresLogin: true,
RequiresEventLevel: roomModerator,
}
const webhookURLFormat = "https://discord.com/api/webhooks/%d/%s"
const selectRelayHelp = "Usage: `$cmdprefix [room ID] <--url URL> OR <--create [name]>`"
func fnSetRelay(ce *WrappedCommandEvent) {
portal := ce.Portal
if len(ce.Args) > 0 && strings.HasPrefix(ce.Args[0], "!") {
portal = ce.Bridge.GetPortalByMXID(id.RoomID(ce.Args[0]))
if portal == nil {
ce.Reply("Portal with room ID %s not found", ce.Args[0])
return
}
if ce.User.PermissionLevel < bridgeconfig.PermissionLevelAdmin {
levels, err := portal.MainIntent().PowerLevels(ce.RoomID)
if err != nil {
ce.ZLog.Warn().Err(err).Msg("Failed to check room power levels")
ce.Reply("Failed to get room power levels to see if you're allowed to use that command")
return
} else if levels.GetUserLevel(ce.User.GetMXID()) < levels.GetEventLevel(roomModerator) {
ce.Reply("You don't have admin rights in that room")
return
}
}
ce.Args = ce.Args[1:]
} else if portal == nil {
ce.Reply("You must either run the command in a portal, or specify an internal room ID as the first parameter")
return
}
log := ce.ZLog.With().Str("channel_id", portal.Key.ChannelID).Logger()
if portal.GuildID == "" {
ce.Reply("Only guild channels can have relays")
return
} else if portal.RelayWebhookID != "" {
webhookMeta, err := relayClient.WebhookWithToken(portal.RelayWebhookID, portal.RelayWebhookSecret)
if err != nil {
log.Warn().Err(err).Msg("Failed to get existing webhook info")
ce.Reply("This channel has a relay webhook set, but getting its info failed: %v", err)
return
}
ce.Reply("This channel already has a relay webhook %s (%s)", webhookMeta.Name, webhookMeta.ID)
return
} else if len(ce.Args) == 0 {
ce.Reply(selectRelayHelp)
return
}
createType := strings.ToLower(strings.TrimLeft(ce.Args[0], "-"))
var webhookMeta *discordgo.Webhook
switch createType {
case "url":
if len(ce.Args) < 2 {
ce.Reply("Usage: `$cmdprefix [room ID] --url <URL>")
return
}
ce.Redact()
var webhookID int64
var webhookSecret string
_, err := fmt.Sscanf(ce.Args[1], webhookURLFormat, &webhookID, &webhookSecret)
if err != nil {
log.Warn().Str("webhook_url", ce.Args[1]).Err(err).Msg("Failed to parse provided webhook URL")
ce.Reply("Invalid webhook URL")
return
}
webhookMeta, err = relayClient.WebhookWithToken(strconv.FormatInt(webhookID, 10), webhookSecret)
if err != nil {
log.Warn().Err(err).Msg("Failed to get webhook info")
ce.Reply("Failed to get webhook info: %v", err)
return
}
case "create":
perms, err := ce.User.Session.UserChannelPermissions(ce.User.DiscordID, portal.Key.ChannelID)
if err != nil {
log.Warn().Err(err).Msg("Failed to check user permissions")
ce.Reply("Failed to check if you have permission to create webhooks")
return
} else if perms&discordgo.PermissionManageWebhooks == 0 {
log.Debug().Int64("perms", perms).Msg("User doesn't have permissions to manage webhooks in channel")
ce.Reply("You don't have permission to manage webhooks in that channel")
return
}
name := "mautrix"
if len(ce.Args) > 1 {
name = strings.Join(ce.Args[1:], " ")
}
log.Debug().Str("webhook_name", name).Msg("Creating webhook")
webhookMeta, err = ce.User.Session.WebhookCreate(portal.Key.ChannelID, name, "")
if err != nil {
log.Warn().Err(err).Msg("Failed to create webhook")
ce.Reply("Failed to create webhook: %v", err)
return
}
default:
ce.Reply(selectRelayHelp)
return
}
if portal.Key.ChannelID != webhookMeta.ChannelID {
log.Debug().
Str("portal_channel_id", portal.Key.ChannelID).
Str("webhook_channel_id", webhookMeta.ChannelID).
Msg("Provided webhook is for wrong channel")
ce.Reply("That webhook is not for the right channel (expected %s, webhook is for %s)", portal.Key.ChannelID, webhookMeta.ChannelID)
return
}
log.Debug().Str("webhook_id", webhookMeta.ID).Msg("Setting portal relay webhook")
portal.RelayWebhookID = webhookMeta.ID
portal.RelayWebhookSecret = webhookMeta.Token
portal.Update()
ce.Reply("Saved webhook %s (%s) as portal relay webhook", webhookMeta.Name, portal.RelayWebhookID)
}
var cmdUnsetRelay = &commands.FullHandler{
Func: wrapCommand(fnUnsetRelay),
Name: "unset-relay",
Help: commands.HelpMeta{
Section: HelpSectionPortalManagement,
Description: "Disable the relay webhook and optionally delete it on Discord",
Args: "[--delete]",
},
RequiresPortal: true,
RequiresEventLevel: roomModerator,
}
func fnUnsetRelay(ce *WrappedCommandEvent) {
if ce.Portal.RelayWebhookID == "" {
ce.Reply("This portal doesn't have a relay webhook")
return
}
if len(ce.Args) > 0 && ce.Args[0] == "--delete" {
err := relayClient.WebhookDeleteWithToken(ce.Portal.RelayWebhookID, ce.Portal.RelayWebhookSecret)
if err != nil {
ce.Reply("Failed to delete webhook: %v", err)
return
} else {
ce.Reply("Successfully deleted webhook")
}
} else {
ce.Reply("Relay webhook disabled")
}
ce.Portal.RelayWebhookID = ""
ce.Portal.RelayWebhookSecret = ""
ce.Portal.Update()
}
var cmdGuilds = &commands.FullHandler{
Func: wrapCommand(fnGuilds),
Name: "guilds",
Aliases: []string{"servers", "guild", "server"},
Help: commands.HelpMeta{
Section: HelpSectionPortalManagement,
Description: "Guild bridging management",
Args: "<status/bridge/unbridge/bridging-mode> [_guild ID_] [...]",
},
RequiresLogin: true,
}
const smallGuildsHelp = "**Usage**: `$cmdprefix guilds <help/status/bridge/unbridge> [guild ID] [...]`"
const fullGuildsHelp = smallGuildsHelp + `
* **help** - View this help message.
* **status** - View the list of guilds and their bridging status.
* **bridge <_guild ID_> [--entire]** - Enable bridging for a guild. The --entire flag auto-creates portals for all channels.
* **bridging-mode <_guild ID_> <_mode_>** - Set the mode for bridging messages and new channels in a guild.
* **unbridge <_guild ID_>** - Unbridge a guild and delete all channel portal rooms.`
func fnGuilds(ce *WrappedCommandEvent) {
if len(ce.Args) == 0 {
ce.Reply(fullGuildsHelp)
return
}
subcommand := strings.ToLower(ce.Args[0])
ce.Args = ce.Args[1:]
switch subcommand {
case "status", "list":
fnListGuilds(ce)
case "bridge":
fnBridgeGuild(ce)
case "unbridge", "delete":
fnUnbridgeGuild(ce)
case "bridging-mode", "mode":
fnGuildBridgingMode(ce)
case "help":
ce.Reply(fullGuildsHelp)
default:
ce.Reply("Unknown subcommand `%s`\n\n"+smallGuildsHelp, subcommand)
}
}
func fnListGuilds(ce *WrappedCommandEvent) {
var items []string
for _, userGuild := range ce.User.GetPortals() {
guild := ce.Bridge.GetGuildByID(userGuild.DiscordID, false)
if guild == nil {
continue
}
var avatarHTML string
if !guild.AvatarURL.IsEmpty() {
avatarHTML = fmt.Sprintf(`<img data-mx-emoticon height="24" src="%s" alt="" title="Guild avatar"> `, guild.AvatarURL.String())
}
items = append(items, fmt.Sprintf("<li>%s%s (<code>%s</code>) - %s</li>", avatarHTML, html.EscapeString(guild.Name), guild.ID, guild.BridgingMode.Description()))
}
if len(items) == 0 {
ce.Reply("No guilds found")
} else {
ce.ReplyAdvanced(fmt.Sprintf("<p>List of guilds:</p><ul>%s</ul>", strings.Join(items, "")), false, true)
}
}
func fnBridgeGuild(ce *WrappedCommandEvent) {
if len(ce.Args) == 0 || len(ce.Args) > 2 {
ce.Reply("**Usage**: `$cmdprefix guilds bridge <guild ID> [--entire]")
} else if err := ce.User.bridgeGuild(ce.Args[0], len(ce.Args) == 2 && strings.ToLower(ce.Args[1]) == "--entire"); err != nil {
ce.Reply("Error bridging guild: %v", err)
} else {
ce.Reply("Successfully bridged guild")
}
}
func fnUnbridgeGuild(ce *WrappedCommandEvent) {
if len(ce.Args) != 1 {
ce.Reply("**Usage**: `$cmdprefix guilds unbridge <guild ID>")
} else if err := ce.User.unbridgeGuild(ce.Args[0]); err != nil {
ce.Reply("Error unbridging guild: %v", err)
} else {
ce.Reply("Successfully unbridged guild")
}
}
const availableModes = "Available modes:\n" +
"* `nothing` to never bridge any messages (default when unbridged)\n" +
"* `if-portal-exists` to bridge messages in existing portals, but drop messages in unbridged channels\n" +
"* `create-on-message` to bridge all messages and create portals if necessary on incoming messages (default after bridging)\n" +
"* `everything` to bridge all messages and create portals proactively on bridge startup (default if bridged with `--entire`)\n"
func fnGuildBridgingMode(ce *WrappedCommandEvent) {
if len(ce.Args) == 0 || len(ce.Args) > 2 {
ce.Reply("**Usage**: `$cmdprefix guilds bridging-mode <guild ID> [mode]`\n\n" + availableModes)
return
}
guild := ce.Bridge.GetGuildByID(ce.Args[0], false)
if guild == nil {
ce.Reply("Guild not found")
return
}
if len(ce.Args) == 1 {
ce.Reply("%s (%s) is currently set to %s (`%s`)\n\n%s", guild.PlainName, guild.ID, guild.BridgingMode.Description(), guild.BridgingMode.String(), availableModes)
return
}
mode := database.ParseGuildBridgingMode(ce.Args[1])
if mode == database.GuildBridgeInvalid {
ce.Reply("Invalid guild bridging mode `%s`", ce.Args[1])
return
}
guild.BridgingMode = mode
guild.Update()
ce.Reply("Set guild bridging mode to %s", mode.Description())
}
var cmdBridge = &commands.FullHandler{
Func: wrapCommand(fnBridge),
Name: "bridge",
Help: commands.HelpMeta{
Section: HelpSectionPortalManagement,
Description: "Bridge this room to a specific Discord channel",
Args: "[--replace[=delete]] <_channel ID_>",
},
RequiresEventLevel: roomModerator,
}
func isNumber(str string) bool {
for _, chr := range str {
if chr < '0' || chr > '9' {
return false
}
}
return true
}
func fnBridge(ce *WrappedCommandEvent) {
if ce.Portal != nil {
ce.Reply("This is already a portal room. Unbridge with `$cmdprefix unbridge` first if you want to link it to a different channel.")
return
}
var channelID string
var unbridgeOld, deleteOld bool
fail := true
for _, arg := range ce.Args {
arg = strings.ToLower(arg)
if arg == "--replace" {
unbridgeOld = true
} else if arg == "--replace=delete" {
unbridgeOld = true
deleteOld = true
} else if channelID == "" && isNumber(arg) {
channelID = arg
fail = false
} else {
fail = true
break
}
}
if fail {
ce.Reply("**Usage**: `$cmdprefix bridge [--replace[=delete]] <channel ID>`")
return
}
portal := ce.User.GetExistingPortalByID(channelID)
if portal == nil {
ce.Reply("Channel not found")
return
}
portal.roomCreateLock.Lock()
defer portal.roomCreateLock.Unlock()
if portal.MXID != "" {
hasUnbridgePermission := ce.User.PermissionLevel >= bridgeconfig.PermissionLevelAdmin
if !hasUnbridgePermission {
levels, err := portal.MainIntent().PowerLevels(portal.MXID)
if errors.Is(err, mautrix.MNotFound) {
ce.ZLog.Debug().Err(err).Msg("Got M_NOT_FOUND trying to get power levels to check if user can unbridge it, assuming the room is gone")
hasUnbridgePermission = true
} else if err != nil {
ce.ZLog.Warn().Err(err).Msg("Failed to check room power levels")
ce.Reply("Failed to get power levels in old room to see if you're allowed to unbridge it")
return
} else {
hasUnbridgePermission = levels.GetUserLevel(ce.User.GetMXID()) >= levels.GetEventLevel(roomModerator)
}
}
if !unbridgeOld || !hasUnbridgePermission {
extraHelp := "Rerun the command with `--replace` or `--replace=delete` to unbridge the old room."
if !hasUnbridgePermission {
extraHelp = "Additionally, you do not have the permissions to unbridge the old room."
}
ce.Reply("That channel is already bridged to [%s](https://matrix.to/#/%s). %s", portal.Name, portal.MXID, extraHelp)
return
}
ce.ZLog.Debug().
Str("old_room_id", portal.MXID.String()).
Bool("delete", deleteOld).
Msg("Unbridging old room")
portal.removeFromSpace()
portal.cleanup(!deleteOld)
portal.RemoveMXID()
ce.ZLog.Info().
Str("old_room_id", portal.MXID.String()).
Bool("delete", deleteOld).
Msg("Unbridged old room to make space for new bridge")
}
if portal.Guild != nil && portal.Guild.BridgingMode < database.GuildBridgeIfPortalExists {
ce.ZLog.Debug().Str("guild_id", portal.Guild.ID).Msg("Bumping bridging mode of portal guild to if-portal-exists")
portal.Guild.BridgingMode = database.GuildBridgeIfPortalExists
portal.Guild.Update()
}
ce.ZLog.Debug().Str("channel_id", portal.Key.ChannelID).Msg("Bridging room")
portal.MXID = ce.RoomID
portal.bridge.portalsLock.Lock()
portal.bridge.portalsByMXID[portal.MXID] = portal
portal.bridge.portalsLock.Unlock()
portal.updateRoomName()
portal.updateRoomAvatar()
portal.updateRoomTopic()
portal.updateSpace(ce.User)
portal.UpdateBridgeInfo()
state, err := portal.MainIntent().State(portal.MXID)
if err != nil {
ce.ZLog.Error().Err(err).Msg("Failed to update state cache for room")
} else {
encryptionEvent, isEncrypted := state[event.StateEncryption][""]
portal.Encrypted = isEncrypted && encryptionEvent.Content.AsEncryption().Algorithm == id.AlgorithmMegolmV1
}
portal.Update()
ce.Reply("Room successfully bridged")
ce.ZLog.Info().
Str("channel_id", portal.Key.ChannelID).
Bool("encrypted", portal.Encrypted).
Msg("Manual bridging complete")
}
var cmdUnbridge = &commands.FullHandler{
Func: wrapCommand(fnUnbridge),
Name: "unbridge",
Help: commands.HelpMeta{
Section: HelpSectionPortalManagement,
Description: "Unbridge this room from the linked Discord channel",
},
RequiresPortal: true,
RequiresEventLevel: roomModerator,
}
var cmdCreatePortal = &commands.FullHandler{
Func: wrapCommand(fnCreatePortal),
Name: "create-portal",
Help: commands.HelpMeta{
Section: HelpSectionPortalManagement,
Description: "Create a portal for a specific channel",
Args: "<_channel ID_>",
},
RequiresLogin: true,
}
func fnCreatePortal(ce *WrappedCommandEvent) {
meta, err := ce.User.Session.Channel(ce.Args[0])
if err != nil {
ce.Reply("Failed to get channel info: %v", err)
return
} else if meta == nil {
ce.Reply("Channel not found")
return
} else if !ce.User.channelIsBridgeable(meta) {
ce.Reply("That channel can't be bridged")
return
}
portal := ce.User.GetPortalByMeta(meta)
if portal.Guild != nil && portal.Guild.BridgingMode == database.GuildBridgeNothing {
ce.Reply("That guild is set to not bridge any messages. Bridge the guild with `$cmdprefix guilds bridge %s` first", portal.Guild.ID)
return
} else if portal.MXID != "" {
ce.Reply("That channel is already bridged: [%s](%s)", portal.Name, portal.MXID.URI(portal.bridge.Config.Homeserver.Domain).MatrixToURL())
return
}
err = portal.CreateMatrixRoom(ce.User, meta)
if err != nil {
ce.Reply("Failed to create portal: %v", err)
} else {
ce.Reply("Portal created: [%s](%s)", portal.Name, portal.MXID.URI(portal.bridge.Config.Homeserver.Domain).MatrixToURL())
}
}
var cmdDeletePortal = &commands.FullHandler{
Func: wrapCommand(fnUnbridge),
Name: "delete-portal",
Help: commands.HelpMeta{
Section: HelpSectionPortalManagement,
Description: "Unbridge this room and kick all Matrix users",
},
RequiresPortal: true,
RequiresEventLevel: roomModerator,
}
func fnUnbridge(ce *WrappedCommandEvent) {
ce.Portal.roomCreateLock.Lock()
defer ce.Portal.roomCreateLock.Unlock()
ce.Portal.removeFromSpace()
ce.Portal.cleanup(ce.Command == "unbridge")
ce.Portal.RemoveMXID()
}
var cmdDeleteAllPortals = &commands.FullHandler{
Func: wrapCommand(fnDeleteAllPortals),
Name: "delete-all-portals",
Help: commands.HelpMeta{
Section: commands.HelpSectionAdmin,
Description: "Delete all portals.",
},
RequiresAdmin: true,
}
func fnDeleteAllPortals(ce *WrappedCommandEvent) {
portals := ce.Bridge.GetAllPortals()
guilds := ce.Bridge.GetAllGuilds()
if len(portals) == 0 && len(guilds) == 0 {
ce.Reply("Didn't find any portals")
return
}
leave := func(mxid id.RoomID, intent *appservice.IntentAPI) {
if len(mxid) > 0 {
_, _ = intent.KickUser(mxid, &mautrix.ReqKickUser{
Reason: "Deleting portal",
UserID: ce.User.MXID,
})
}
}
customPuppet := ce.Bridge.GetPuppetByCustomMXID(ce.User.MXID)
if customPuppet != nil && customPuppet.CustomIntent() != nil {
intent := customPuppet.CustomIntent()
leave = func(mxid id.RoomID, _ *appservice.IntentAPI) {
if len(mxid) > 0 {
_, _ = intent.LeaveRoom(mxid)
_, _ = intent.ForgetRoom(mxid)
}
}
}
ce.Reply("Found %d channel portals and %d guild portals, deleting...", len(portals), len(guilds))
for _, portal := range portals {
portal.Delete()
leave(portal.MXID, portal.MainIntent())
}
for _, guild := range guilds {
guild.Delete()
leave(guild.MXID, ce.Bot)
}
ce.Reply("Finished deleting portal info. Now cleaning up rooms in background. You'll have to restart the bridge or relogin before rooms can be bridged again.")
go func() {
for _, portal := range portals {
portal.cleanup(false)
}
ce.Reply("Finished background cleanup of deleted portal rooms.")
}()
}