mirror of
https://github.com/matrix-org/dendrite.git
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133 lines
4 KiB
Go
133 lines
4 KiB
Go
// Copyright 2023 The Matrix.org Foundation C.I.C.
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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 sqlite3
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import (
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"context"
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"crypto/ed25519"
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"database/sql"
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"errors"
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"strings"
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"github.com/matrix-org/dendrite/internal"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/roomserver/storage/tables"
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"github.com/matrix-org/dendrite/roomserver/types"
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)
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const userRoomKeysSchema = `
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CREATE TABLE IF NOT EXISTS roomserver_user_room_keys (
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user_nid INTEGER NOT NULL,
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room_nid INTEGER NOT NULL,
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pseudo_id_key TEXT NOT NULL,
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pseudo_id_pub_key TEXT NOT NULL,
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CONSTRAINT roomserver_user_room_keys_pk PRIMARY KEY (user_nid, room_nid)
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);
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`
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const insertUserRoomKeySQL = `
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INSERT INTO roomserver_user_room_keys (user_nid, room_nid, pseudo_id_key, pseudo_id_pub_key) VALUES ($1, $2, $3, $4)
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ON CONFLICT DO UPDATE SET pseudo_id_key = roomserver_user_room_keys.pseudo_id_key
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RETURNING (pseudo_id_key)
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`
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const selectUserRoomKeySQL = `SELECT pseudo_id_key FROM roomserver_user_room_keys WHERE user_nid = $1 AND room_nid = $2`
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const selectUserNIDsSQL = `SELECT user_nid, pseudo_id_pub_key FROM roomserver_user_room_keys WHERE pseudo_id_pub_key IN ($1)`
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type userRoomKeysStatements struct {
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insertUserRoomKeyStmt *sql.Stmt
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selectUserRoomKeyStmt *sql.Stmt
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selectUserIDsStmt *sql.Stmt
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}
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func CreateUserRoomKeysTable(db *sql.DB) error {
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_, err := db.Exec(userRoomKeysSchema)
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return err
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}
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func PrepareUserRoomKeysTable(db *sql.DB) (tables.UserRoomKeys, error) {
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s := &userRoomKeysStatements{}
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return s, sqlutil.StatementList{
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{&s.insertUserRoomKeyStmt, insertUserRoomKeySQL},
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{&s.selectUserRoomKeyStmt, selectUserRoomKeySQL},
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{&s.selectUserIDsStmt, selectUserNIDsSQL}, //prepared at runtime
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}.Prepare(db)
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}
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func (s *userRoomKeysStatements) InsertUserRoomKey(
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ctx context.Context,
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txn *sql.Tx,
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userNID types.EventStateKeyNID,
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roomNID types.RoomNID,
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key ed25519.PrivateKey,
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) (result ed25519.PrivateKey, err error) {
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stmt := sqlutil.TxStmtContext(ctx, txn, s.insertUserRoomKeyStmt)
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err = stmt.QueryRowContext(ctx, userNID, roomNID, key, key.Public()).Scan(&result)
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return result, err
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}
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func (s *userRoomKeysStatements) SelectUserRoomKey(
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ctx context.Context,
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txn *sql.Tx,
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userNID types.EventStateKeyNID,
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roomNID types.RoomNID,
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) (ed25519.PrivateKey, error) {
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stmt := sqlutil.TxStmtContext(ctx, txn, s.selectUserRoomKeyStmt)
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var result ed25519.PrivateKey
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err := stmt.QueryRowContext(ctx, userNID, roomNID).Scan(&result)
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if errors.Is(err, sql.ErrNoRows) {
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return nil, nil
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}
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return result, err
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}
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func (s *userRoomKeysStatements) BulkSelectUserNIDs(
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ctx context.Context,
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txn *sql.Tx,
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senderKeys [][]byte,
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) (map[string]types.EventStateKeyNID, error) {
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selectSQL := strings.Replace(selectUserNIDsSQL, "($1)", sqlutil.QueryVariadic(len(senderKeys)), 1)
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selectStmt, err := txn.Prepare(selectSQL)
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if err != nil {
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return nil, err
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}
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params := make([]interface{}, len(senderKeys))
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for i := range senderKeys {
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params[i] = senderKeys[i]
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}
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stmt := sqlutil.TxStmt(txn, selectStmt)
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defer internal.CloseAndLogIfError(ctx, stmt, "failed to close transaction")
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rows, err := stmt.QueryContext(ctx, params...)
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if err != nil {
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return nil, err
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}
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defer internal.CloseAndLogIfError(ctx, rows, "failed to close rows")
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result := make(map[string]types.EventStateKeyNID, len(senderKeys))
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var publicKey []byte
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var userNID types.EventStateKeyNID
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for rows.Next() {
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if err = rows.Scan(&userNID, &publicKey); err != nil {
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return nil, err
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}
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result[string(publicKey)] = userNID
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}
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return result, rows.Err()
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}
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