mirror of
https://github.com/matrix-org/dendrite.git
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88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
// Copyright 2018 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package storage
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import (
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"context"
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"database/sql"
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"github.com/matrix-org/dendrite/common"
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"github.com/matrix-org/dendrite/encryptoapi/types"
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)
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const algorithmSchema = `
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-- The media_repository table holds metadata for each media file stored and accessible to the local server,
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-- the actual file is stored separately.
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CREATE TABLE IF NOT EXISTS encrypt_algorithm (
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device_id TEXT NOT NULL,
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user_id TEXT NOT NULL,
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algorithms TEXT NOT NULL
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);
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`
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const insertalSQL = `
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INSERT INTO encrypt_algorithm (device_id, user_id, algorithms)
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VALUES ($1, $2, $3)
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`
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const selectalSQL = `
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SELECT user_id, device_id, algorithms FROM encrypt_algorithm
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WHERE user_id = $1 AND device_id = $2
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`
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type alStatements struct {
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insertAlStmt *sql.Stmt
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selectAlStmt *sql.Stmt
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}
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func (s *alStatements) prepare(db *sql.DB) (err error) {
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_, err = db.Exec(algorithmSchema)
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if err != nil {
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return
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}
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if s.insertAlStmt, err = db.Prepare(insertalSQL); err != nil {
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return
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}
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if s.selectAlStmt, err = db.Prepare(selectalSQL); err != nil {
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return
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}
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return
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}
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// persist algorithms
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func (s *alStatements) insertAl(
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ctx context.Context, txn *sql.Tx,
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userID, deviceID, algorithms string,
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) error {
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stmt := common.TxStmt(txn, s.insertAlStmt)
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_, err := stmt.ExecContext(ctx, deviceID, userID, algorithms)
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return err
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}
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// select algorithms
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func (s *alStatements) selectAl(
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ctx context.Context,
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txn *sql.Tx,
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userID, deviceID string,
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) (holder types.AlHolder, err error) {
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stmt := common.TxStmt(txn, s.selectAlStmt)
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row := stmt.QueryRowContext(ctx, userID, deviceID)
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single := types.AlHolder{}
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err = row.Scan(
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&single.UserID,
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&single.DeviceID,
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&single.SupportedAlgorithm,
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)
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return single, err
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}
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