mirror of
https://github.com/tulir/mautrix-whatsapp
synced 2024-12-14 17:33:48 +01:00
180 lines
5.3 KiB
Go
180 lines
5.3 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2021 Tulir Asokan, Sumner Evans
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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 database
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import (
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"database/sql"
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"errors"
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"fmt"
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"time"
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log "maunium.net/go/maulogger/v2"
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"maunium.net/go/mautrix/id"
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)
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type BackfillType int
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const (
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BackfillImmediate BackfillType = 0
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BackfillForward BackfillType = 100
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BackfillDeferred BackfillType = 200
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)
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func (bt BackfillType) String() string {
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switch bt {
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case BackfillImmediate:
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return "IMMEDIATE"
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case BackfillForward:
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return "FORWARD"
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case BackfillDeferred:
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return "DEFERRED"
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}
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return "UNKNOWN"
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}
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type BackfillQuery struct {
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db *Database
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log log.Logger
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}
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func (bq *BackfillQuery) New() *Backfill {
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return &Backfill{
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db: bq.db,
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log: bq.log,
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Portal: &PortalKey{},
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}
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}
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func (bq *BackfillQuery) NewWithValues(userID id.UserID, backfillType BackfillType, priority int, portal *PortalKey, timeStart *time.Time, timeEnd *time.Time, maxBatchEvents, maxTotalEvents, batchDelay int) *Backfill {
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return &Backfill{
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db: bq.db,
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log: bq.log,
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UserID: userID,
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BackfillType: backfillType,
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Priority: priority,
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Portal: portal,
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TimeStart: timeStart,
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TimeEnd: timeEnd,
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MaxBatchEvents: maxBatchEvents,
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MaxTotalEvents: maxTotalEvents,
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BatchDelay: batchDelay,
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}
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}
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const (
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getNextBackfillQuery = `
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SELECT queue_id, user_mxid, type, priority, portal_jid, portal_receiver, time_start, time_end, max_batch_events, max_total_events, batch_delay
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FROM backfill_queue
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WHERE user_mxid=$1
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AND completed_at IS NULL
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ORDER BY type, priority, queue_id
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LIMIT 1
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`
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)
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// GetNext returns the next backfill to perform
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func (bq *BackfillQuery) GetNext(userID id.UserID) (backfill *Backfill) {
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rows, err := bq.db.Query(getNextBackfillQuery, userID)
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defer rows.Close()
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if err != nil || rows == nil {
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bq.log.Error(err)
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return
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}
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if rows.Next() {
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backfill = bq.New().Scan(rows)
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}
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return
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}
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func (bq *BackfillQuery) DeleteAll(userID id.UserID) error {
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_, err := bq.db.Exec("DELETE FROM backfill_queue WHERE user_mxid=$1", userID)
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return err
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}
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func (bq *BackfillQuery) DeleteAllForPortal(userID id.UserID, portalKey PortalKey) error {
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_, err := bq.db.Exec(`
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DELETE FROM backfill_queue
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WHERE user_mxid=$1
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AND portal_jid=$2
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AND portal_receiver=$3
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`, userID, portalKey.JID, portalKey.Receiver)
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return err
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}
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type Backfill struct {
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db *Database
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log log.Logger
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// Fields
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QueueID int
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UserID id.UserID
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BackfillType BackfillType
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Priority int
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Portal *PortalKey
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TimeStart *time.Time
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TimeEnd *time.Time
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MaxBatchEvents int
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MaxTotalEvents int
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BatchDelay int
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CompletedAt *time.Time
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}
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func (b *Backfill) String() string {
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return fmt.Sprintf("Backfill{QueueID: %d, UserID: %s, BackfillType: %s, Priority: %d, Portal: %s, TimeStart: %s, TimeEnd: %s, MaxBatchEvents: %d, MaxTotalEvents: %d, BatchDelay: %d, CompletedAt: %s}",
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b.QueueID, b.UserID, b.BackfillType, b.Priority, b.Portal, b.TimeStart, b.TimeEnd, b.MaxBatchEvents, b.MaxTotalEvents, b.BatchDelay, b.CompletedAt,
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)
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}
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func (b *Backfill) Scan(row Scannable) *Backfill {
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err := row.Scan(&b.QueueID, &b.UserID, &b.BackfillType, &b.Priority, &b.Portal.JID, &b.Portal.Receiver, &b.TimeStart, &b.TimeEnd, &b.MaxBatchEvents, &b.MaxTotalEvents, &b.BatchDelay)
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if err != nil {
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if !errors.Is(err, sql.ErrNoRows) {
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b.log.Errorln("Database scan failed:", err)
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}
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return nil
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}
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return b
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}
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func (b *Backfill) Insert() {
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rows, err := b.db.Query(`
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INSERT INTO backfill_queue
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(user_mxid, type, priority, portal_jid, portal_receiver, time_start, time_end, max_batch_events, max_total_events, batch_delay, completed_at)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
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RETURNING queue_id
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`, b.UserID, b.BackfillType, b.Priority, b.Portal.JID, b.Portal.Receiver, b.TimeStart, b.TimeEnd, b.MaxBatchEvents, b.MaxTotalEvents, b.BatchDelay, b.CompletedAt)
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defer rows.Close()
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if err != nil || !rows.Next() {
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b.log.Warnfln("Failed to insert %v/%s with priority %d: %v", b.BackfillType, b.Portal.JID, b.Priority, err)
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return
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}
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err = rows.Scan(&b.QueueID)
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if err != nil {
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b.log.Warnfln("Failed to insert %s/%s with priority %s: %v", b.BackfillType, b.Portal.JID, b.Priority, err)
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}
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}
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func (b *Backfill) MarkDone() {
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if b.QueueID == 0 {
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b.log.Errorf("Cannot delete backfill without queue_id. Maybe it wasn't actually inserted in the database?")
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return
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}
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_, err := b.db.Exec("UPDATE backfill_queue SET completed_at=$1 WHERE queue_id=$2", time.Now(), b.QueueID)
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if err != nil {
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b.log.Warnfln("Failed to mark %s/%s as complete: %v", b.BackfillType, b.Priority, err)
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}
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}
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