1900993acd
Consolidate how we construct `DiscordClient` by always going through the connector's `LoadUserLogin` method.
101 lines
3.2 KiB
Go
101 lines
3.2 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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log := zerolog.Ctx(ctx).With().Str("action", "finalize login").Logger()
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// TODO we don't need an entire discordgo session for this as we're just
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// interested in /users/@me
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log.Info().Msg("Creating initial session with provided token")
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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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dl.Session = session
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log.Info().Msg("Requesting @me with provided token")
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self, err := session.User("@me")
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if err != nil {
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return nil, fmt.Errorf("couldn't request self user (bad credentials?): %w", err)
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}
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dl.DiscordUser = self
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log.Info().Msg("Fetched @me")
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ul, err := dl.User.NewLogin(ctx, &database.UserLogin{
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ID: discordid.MakeUserLoginID(self.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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DeleteOnConflict: true,
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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 during finalization: %w", err)
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}
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(ul.Client.(*DiscordClient)).Connect(ctx)
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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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