103 lines
3.1 KiB
Go
103 lines
3.1 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2024 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 main
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import (
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"context"
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"fmt"
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"time"
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"github.com/rs/zerolog"
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"maunium.net/go/mautrix"
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"maunium.net/go/mautrix/id"
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"maunium.net/go/mautrix-whatsapp/database"
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)
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func (portal *Portal) MarkDisappearing(ctx context.Context, eventID id.EventID, expiresIn time.Duration, startsAt time.Time) {
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if expiresIn == 0 {
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return
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}
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expiresAt := startsAt.Add(expiresIn)
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msg := portal.bridge.DB.DisappearingMessage.NewWithValues(portal.MXID, eventID, expiresIn, expiresAt)
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err := msg.Insert(ctx)
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if err != nil {
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zerolog.Ctx(ctx).Err(err).Msg("Failed to insert disappearing message")
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}
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if expiresAt.Before(time.Now().Add(1 * time.Hour)) {
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go portal.sleepAndDelete(context.WithoutCancel(ctx), msg)
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}
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}
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func (br *WABridge) SleepAndDeleteUpcoming(ctx context.Context) {
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msgs, err := br.DB.DisappearingMessage.GetUpcomingScheduled(ctx, 1*time.Hour)
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if err != nil {
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zerolog.Ctx(ctx).Err(err).Msg("Failed to get upcoming disappearing messages")
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return
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}
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for _, msg := range msgs {
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portal := br.GetPortalByMXID(msg.RoomID)
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if portal == nil {
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err = msg.Delete(ctx)
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if err != nil {
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zerolog.Ctx(ctx).Err(err).
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Stringer("event_id", msg.EventID).
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Msg("Failed to delete disappearing message row with no portal")
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}
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} else {
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go portal.sleepAndDelete(ctx, msg)
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}
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}
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}
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func (portal *Portal) sleepAndDelete(ctx context.Context, msg *database.DisappearingMessage) {
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if _, alreadySleeping := portal.currentlySleepingToDelete.LoadOrStore(msg.EventID, true); alreadySleeping {
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return
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}
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defer portal.currentlySleepingToDelete.Delete(msg.EventID)
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log := zerolog.Ctx(ctx)
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sleepTime := msg.ExpireAt.Sub(time.Now())
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log.Debug().
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Stringer("room_id", portal.MXID).
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Stringer("event_id", msg.EventID).
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Dur("sleep_time", sleepTime).
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Msg("Sleeping before making message disappear")
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time.Sleep(sleepTime)
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_, err := portal.MainIntent().RedactEvent(ctx, msg.RoomID, msg.EventID, mautrix.ReqRedact{
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Reason: "Message expired",
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TxnID: fmt.Sprintf("mxwa_disappear_%s", msg.EventID),
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})
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if err != nil {
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log.Err(err).
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Stringer("room_id", portal.MXID).
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Stringer("event_id", msg.EventID).
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Msg("Failed to make event disappear")
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} else {
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log.Debug().
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Stringer("room_id", portal.MXID).
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Stringer("event_id", msg.EventID).
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Msg("Disappeared event")
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}
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err = msg.Delete(ctx)
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if err != nil {
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log.Err(err).Msg("Failed to delete disapperaing message row in database after redacting event")
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}
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}
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