92352ce603
In the same vein as mautrix-whatsapp, -slack and others, do not make assumptions about how the ID is represented in the connector code. Let the discordid package be entirely responsible.
116 lines
3.4 KiB
Go
116 lines
3.4 KiB
Go
// mautrix-discord - A Matrix-Discord puppeting bridge.
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// Copyright (C) 2026 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package connector
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import (
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"context"
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"fmt"
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"github.com/bwmarrin/discordgo"
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"github.com/rs/zerolog"
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"maunium.net/go/mautrix/bridgev2"
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"maunium.net/go/mautrix/bridgev2/database"
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"go.mau.fi/mautrix-discord/pkg/discordid"
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)
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// DiscordGenericLogin is embedded within each struct that implements
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// bridgev2.LoginProcess in order to encapsulate the common behavior that needs
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// to occur after procuring a valid user token. Namely, creating a gateway
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// connection to Discord and an associated UserLogin to wrap things up.
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//
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// It also implements a baseline Cancel method that closes the gateway
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// connection.
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type DiscordGenericLogin struct {
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User *bridgev2.User
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connector *DiscordConnector
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Session *discordgo.Session
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// The Discord user we've authenticated as. This is only non-nil if
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// a call to FinalizeCreatingLogin has succeeded.
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DiscordUser *discordgo.User
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}
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func (dl *DiscordGenericLogin) FinalizeCreatingLogin(ctx context.Context, token string) (*bridgev2.UserLogin, error) {
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session, err := NewDiscordSession(ctx, token)
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if err != nil {
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return nil, fmt.Errorf("couldn't create discord session: %w", err)
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}
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client := DiscordClient{
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connector: dl.connector,
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Session: session,
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}
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client.SetUp(ctx, nil)
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err = client.connect(ctx)
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if err != nil {
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dl.Cancel()
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return nil, err
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}
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// At this point we've opened a WebSocket connection to the gateway, received
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// a READY packet, and know who we are.
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user := session.State.User
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dl.DiscordUser = user
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dl.Session = session
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ul, err := dl.User.NewLogin(ctx, &database.UserLogin{
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ID: discordid.MakeUserLoginID(user.ID),
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Metadata: &discordid.UserLoginMetadata{
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Token: token,
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HeartbeatSession: session.HeartbeatSession,
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},
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}, &bridgev2.NewLoginParams{
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LoadUserLogin: func(ctx context.Context, login *bridgev2.UserLogin) error {
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login.Client = &client
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client.UserLogin = login
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// Only now that we have a UserLogin can we begin syncing.
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client.BeginSyncingIfUserLoginPresent(ctx)
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return nil
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},
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DeleteOnConflict: true,
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DontReuseExisting: false,
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})
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if err != nil {
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dl.Cancel()
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return nil, fmt.Errorf("couldn't create login: %w", err)
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}
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zerolog.Ctx(ctx).Info().
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Str("user_id", user.ID).
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Str("user_username", user.Username).
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Msg("Logged in to Discord")
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return ul, nil
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}
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func (dl *DiscordGenericLogin) CompleteInstructions() string {
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return fmt.Sprintf("Logged in as %s", dl.DiscordUser.Username)
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}
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func (dl *DiscordGenericLogin) Cancel() {
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if dl.Session != nil {
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dl.User.Log.Debug().Msg("Login cancelled, closing session")
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err := dl.Session.Close()
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if err != nil {
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dl.User.Log.Err(err).Msg("Couldn't close Discord session in response to login cancellation")
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}
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}
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}
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