76 lines
2.4 KiB
Go
76 lines
2.4 KiB
Go
// mautrix-signal - A Matrix-signal puppeting bridge.
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// Copyright (C) 2023 Scott Weber
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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 store
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import (
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"context"
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"database/sql"
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"errors"
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"go.mau.fi/util/dbutil"
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"go.mau.fi/mautrix-signal/pkg/signalmeow/types"
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)
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var _ GroupStore = (*sqlStore)(nil)
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type dbGroup struct {
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OurAciUuid string
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GroupIdentifier types.GroupIdentifier
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GroupMasterKey types.SerializedGroupMasterKey
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}
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type GroupStore interface {
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MasterKeyFromGroupIdentifier(ctx context.Context, groupID types.GroupIdentifier) (types.SerializedGroupMasterKey, error)
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StoreMasterKey(ctx context.Context, groupID types.GroupIdentifier, key types.SerializedGroupMasterKey) error
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}
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const (
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getGroupByIDQuery = `SELECT account_id, group_identifier, master_key FROM signalmeow_groups WHERE account_id=$1 AND group_identifier=$2`
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upsertGroupMasterKeyQuery = `
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INSERT INTO signalmeow_groups (account_id, group_identifier, master_key)
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VALUES ($1, $2, $3)
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ON CONFLICT (account_id, group_identifier) DO UPDATE
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SET master_key = excluded.master_key;
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`
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)
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func scanGroup(row dbutil.Scannable) (*dbGroup, error) {
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var g dbGroup
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err := row.Scan(&g.OurAciUuid, &g.GroupIdentifier, &g.GroupMasterKey)
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if errors.Is(err, sql.ErrNoRows) {
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return nil, nil
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} else if err != nil {
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return nil, err
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}
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return &g, nil
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}
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func (s *sqlStore) MasterKeyFromGroupIdentifier(ctx context.Context, groupID types.GroupIdentifier) (types.SerializedGroupMasterKey, error) {
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g, err := scanGroup(s.db.QueryRow(ctx, getGroupByIDQuery, s.AccountID, groupID))
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if g == nil {
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return "", err
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} else {
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return g.GroupMasterKey, nil
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}
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}
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func (s *sqlStore) StoreMasterKey(ctx context.Context, groupID types.GroupIdentifier, key types.SerializedGroupMasterKey) error {
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_, err := s.db.Exec(ctx, upsertGroupMasterKeyQuery, s.AccountID, groupID, key)
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return err
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}
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