197 lines
7 KiB
Go
197 lines
7 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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"github.com/matrix-org/gomatrixserverlib/spec"
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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 NULL, -- may be null for users not local to the server
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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 insertUserRoomPublicKeySQL = `
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INSERT INTO roomserver_user_room_keys (user_nid, room_nid, pseudo_id_pub_key) VALUES ($1, $2, $3)
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ON CONFLICT DO UPDATE SET pseudo_id_pub_key = $3
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RETURNING (pseudo_id_pub_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 selectUserRoomPublicKeySQL = `SELECT pseudo_id_pub_key FROM roomserver_user_room_keys WHERE user_nid = $1 AND room_nid = $2`
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const selectUserNIDsSQL = `SELECT user_nid, room_nid, pseudo_id_pub_key FROM roomserver_user_room_keys WHERE room_nid IN ($1) AND pseudo_id_pub_key IN ($2)`
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const selectAllUserRoomPublicKeyForUserSQL = `SELECT room_nid, pseudo_id_pub_key FROM roomserver_user_room_keys WHERE user_nid = $1`
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type userRoomKeysStatements struct {
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db *sql.DB
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insertUserRoomPrivateKeyStmt *sql.Stmt
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insertUserRoomPublicKeyStmt *sql.Stmt
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selectUserRoomKeyStmt *sql.Stmt
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selectUserRoomPublicKeyStmt *sql.Stmt
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selectAllUserRoomPublicKeysForUser *sql.Stmt
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//selectUserNIDsStmt *sql.Stmt //prepared at runtime
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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{db: db}
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return s, sqlutil.StatementList{
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{&s.insertUserRoomPrivateKeyStmt, insertUserRoomKeySQL},
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{&s.insertUserRoomPublicKeyStmt, insertUserRoomPublicKeySQL},
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{&s.selectUserRoomKeyStmt, selectUserRoomKeySQL},
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{&s.selectUserRoomPublicKeyStmt, selectUserRoomPublicKeySQL},
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{&s.selectAllUserRoomPublicKeysForUser, selectAllUserRoomPublicKeyForUserSQL},
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//{&s.selectUserNIDsStmt, selectUserNIDsSQL}, //prepared at runtime
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}.Prepare(db)
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}
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func (s *userRoomKeysStatements) InsertUserRoomPrivatePublicKey(ctx context.Context, txn *sql.Tx, userNID types.EventStateKeyNID, roomNID types.RoomNID, key ed25519.PrivateKey) (result ed25519.PrivateKey, err error) {
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stmt := sqlutil.TxStmtContext(ctx, txn, s.insertUserRoomPrivateKeyStmt)
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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) InsertUserRoomPublicKey(ctx context.Context, txn *sql.Tx, userNID types.EventStateKeyNID, roomNID types.RoomNID, key ed25519.PublicKey) (result ed25519.PublicKey, err error) {
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stmt := sqlutil.TxStmtContext(ctx, txn, s.insertUserRoomPublicKeyStmt)
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err = stmt.QueryRowContext(ctx, userNID, roomNID, key).Scan(&result)
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return result, err
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}
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func (s *userRoomKeysStatements) SelectUserRoomPrivateKey(
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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) SelectUserRoomPublicKey(
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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.PublicKey, error) {
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stmt := sqlutil.TxStmtContext(ctx, txn, s.selectUserRoomPublicKeyStmt)
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var result ed25519.PublicKey
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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(ctx context.Context, txn *sql.Tx, senderKeys map[types.RoomNID][]ed25519.PublicKey) (map[string]types.UserRoomKeyPair, error) {
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roomNIDs := make([]any, 0, len(senderKeys))
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var senders []any
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for roomNID := range senderKeys {
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roomNIDs = append(roomNIDs, roomNID)
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for _, key := range senderKeys[roomNID] {
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senders = append(senders, []byte(key))
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}
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}
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selectSQL := strings.Replace(selectUserNIDsSQL, "($2)", sqlutil.QueryVariadicOffset(len(senders), len(senderKeys)), 1)
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selectSQL = strings.Replace(selectSQL, "($1)", sqlutil.QueryVariadic(len(senderKeys)), 1) // replace $1 with the roomNIDs
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selectStmt, err := s.db.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 := append(roomNIDs, senders...)
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stmt := sqlutil.TxStmt(txn, selectStmt)
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defer internal.CloseAndLogIfError(ctx, stmt, "failed to close statement")
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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.UserRoomKeyPair, len(params))
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var publicKey []byte
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userRoomKeyPair := types.UserRoomKeyPair{}
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for rows.Next() {
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if err = rows.Scan(&userRoomKeyPair.EventStateKeyNID, &userRoomKeyPair.RoomNID, &publicKey); err != nil {
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return nil, err
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}
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result[spec.Base64Bytes(publicKey).Encode()] = userRoomKeyPair
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}
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return result, rows.Err()
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}
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func (s *userRoomKeysStatements) SelectAllPublicKeysForUser(ctx context.Context, txn *sql.Tx, userNID types.EventStateKeyNID) (map[types.RoomNID]ed25519.PublicKey, error) {
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stmt := sqlutil.TxStmtContext(ctx, txn, s.selectAllUserRoomPublicKeysForUser)
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rows, err := stmt.QueryContext(ctx, userNID)
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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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if err != nil {
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return nil, err
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}
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defer internal.CloseAndLogIfError(ctx, rows, "SelectAllPublicKeysForUser: failed to close rows")
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resultMap := make(map[types.RoomNID]ed25519.PublicKey)
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var roomNID types.RoomNID
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var pubkey ed25519.PublicKey
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for rows.Next() {
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if err = rows.Scan(&roomNID, &pubkey); err != nil {
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return nil, err
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}
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resultMap[roomNID] = pubkey
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}
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return resultMap, rows.Err()
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}
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