mautrix-signal/pkg/signalmeow/store/sender_key_store.go

77 lines
2.8 KiB
Go

// mautrix-signal - A Matrix-signal puppeting bridge.
// Copyright (C) 2023 Scott Weber
//
// 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 store
import (
"context"
"database/sql"
"errors"
"fmt"
"github.com/google/uuid"
"go.mau.fi/util/dbutil"
"go.mau.fi/mautrix-signal/pkg/libsignalgo"
)
var _ libsignalgo.SenderKeyStore = (*sqlStore)(nil)
const (
loadSenderKeyQuery = `SELECT key_record FROM signalmeow_sender_keys WHERE account_id=$1 AND sender_uuid=$2 AND sender_device_id=$3 AND distribution_id=$4`
storeSenderKeyQuery = `INSERT INTO signalmeow_sender_keys (account_id, sender_uuid, sender_device_id, distribution_id, key_record) VALUES ($1, $2, $3, $4, $5) ON CONFLICT (account_id, sender_uuid, sender_device_id, distribution_id) DO UPDATE SET key_record=excluded.key_record`
)
func scanSenderKey(row dbutil.Scannable) (*libsignalgo.SenderKeyRecord, error) {
var key []byte
err := row.Scan(&key)
if errors.Is(err, sql.ErrNoRows) {
return nil, nil
} else if err != nil {
return nil, err
}
return libsignalgo.DeserializeSenderKeyRecord(key)
}
func (s *sqlStore) LoadSenderKey(ctx context.Context, sender *libsignalgo.Address, distributionID uuid.UUID) (*libsignalgo.SenderKeyRecord, error) {
senderUUID, err := sender.Name()
if err != nil {
return nil, fmt.Errorf("failed to get sender UUID: %w", err)
}
deviceID, err := sender.DeviceID()
if err != nil {
return nil, fmt.Errorf("failed to get sender device ID: %w", err)
}
return scanSenderKey(s.db.QueryRow(ctx, loadSenderKeyQuery, s.AccountID, senderUUID, deviceID, distributionID))
}
func (s *sqlStore) StoreSenderKey(ctx context.Context, sender *libsignalgo.Address, distributionID uuid.UUID, record *libsignalgo.SenderKeyRecord) error {
senderUUID, err := sender.Name()
if err != nil {
return fmt.Errorf("failed to get sender UUID: %w", err)
}
deviceID, err := sender.DeviceID()
if err != nil {
return fmt.Errorf("failed to get sender device ID: %w", err)
}
serialized, err := record.Serialize()
if err != nil {
return fmt.Errorf("failed to serialize sender key: %w", err)
}
_, err = s.db.Exec(ctx, storeSenderKeyQuery, s.AccountID, senderUUID, deviceID, distributionID, serialized)
return err
}