mirror of
https://github.com/matrix-org/dendrite
synced 2024-11-15 06:11:08 +01:00
72285b2659
Sister PR to https://github.com/matrix-org/gomatrixserverlib/pull/364 Read this commit by commit to avoid going insane.
148 lines
4.2 KiB
Go
148 lines
4.2 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package sqlite3
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"strings"
|
|
|
|
"github.com/matrix-org/dendrite/internal"
|
|
"github.com/matrix-org/dendrite/internal/sqlutil"
|
|
"github.com/matrix-org/gomatrixserverlib/spec"
|
|
)
|
|
|
|
const relayServersSchema = `
|
|
CREATE TABLE IF NOT EXISTS federationsender_relay_servers (
|
|
-- The destination server name
|
|
server_name TEXT NOT NULL,
|
|
-- The relay server name for a given destination
|
|
relay_server_name TEXT NOT NULL,
|
|
UNIQUE (server_name, relay_server_name)
|
|
);
|
|
|
|
CREATE INDEX IF NOT EXISTS federationsender_relay_servers_server_name_idx
|
|
ON federationsender_relay_servers (server_name);
|
|
`
|
|
|
|
const insertRelayServersSQL = "" +
|
|
"INSERT INTO federationsender_relay_servers (server_name, relay_server_name) VALUES ($1, $2)" +
|
|
" ON CONFLICT DO NOTHING"
|
|
|
|
const selectRelayServersSQL = "" +
|
|
"SELECT relay_server_name FROM federationsender_relay_servers WHERE server_name = $1"
|
|
|
|
const deleteRelayServersSQL = "" +
|
|
"DELETE FROM federationsender_relay_servers WHERE server_name = $1 AND relay_server_name IN ($2)"
|
|
|
|
const deleteAllRelayServersSQL = "" +
|
|
"DELETE FROM federationsender_relay_servers WHERE server_name = $1"
|
|
|
|
type relayServersStatements struct {
|
|
db *sql.DB
|
|
insertRelayServersStmt *sql.Stmt
|
|
selectRelayServersStmt *sql.Stmt
|
|
// deleteRelayServersStmt *sql.Stmt - prepared at runtime due to variadic
|
|
deleteAllRelayServersStmt *sql.Stmt
|
|
}
|
|
|
|
func NewSQLiteRelayServersTable(db *sql.DB) (s *relayServersStatements, err error) {
|
|
s = &relayServersStatements{
|
|
db: db,
|
|
}
|
|
_, err = db.Exec(relayServersSchema)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
return s, sqlutil.StatementList{
|
|
{&s.insertRelayServersStmt, insertRelayServersSQL},
|
|
{&s.selectRelayServersStmt, selectRelayServersSQL},
|
|
{&s.deleteAllRelayServersStmt, deleteAllRelayServersSQL},
|
|
}.Prepare(db)
|
|
}
|
|
|
|
func (s *relayServersStatements) InsertRelayServers(
|
|
ctx context.Context,
|
|
txn *sql.Tx,
|
|
serverName spec.ServerName,
|
|
relayServers []spec.ServerName,
|
|
) error {
|
|
for _, relayServer := range relayServers {
|
|
stmt := sqlutil.TxStmt(txn, s.insertRelayServersStmt)
|
|
if _, err := stmt.ExecContext(ctx, serverName, relayServer); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *relayServersStatements) SelectRelayServers(
|
|
ctx context.Context,
|
|
txn *sql.Tx,
|
|
serverName spec.ServerName,
|
|
) ([]spec.ServerName, error) {
|
|
stmt := sqlutil.TxStmt(txn, s.selectRelayServersStmt)
|
|
rows, err := stmt.QueryContext(ctx, serverName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "SelectRelayServers: rows.close() failed")
|
|
|
|
var result []spec.ServerName
|
|
for rows.Next() {
|
|
var relayServer string
|
|
if err = rows.Scan(&relayServer); err != nil {
|
|
return nil, err
|
|
}
|
|
result = append(result, spec.ServerName(relayServer))
|
|
}
|
|
return result, nil
|
|
}
|
|
|
|
func (s *relayServersStatements) DeleteRelayServers(
|
|
ctx context.Context,
|
|
txn *sql.Tx,
|
|
serverName spec.ServerName,
|
|
relayServers []spec.ServerName,
|
|
) error {
|
|
deleteSQL := strings.Replace(deleteRelayServersSQL, "($2)", sqlutil.QueryVariadicOffset(len(relayServers), 1), 1)
|
|
deleteStmt, err := s.db.Prepare(deleteSQL)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
stmt := sqlutil.TxStmt(txn, deleteStmt)
|
|
params := make([]interface{}, len(relayServers)+1)
|
|
params[0] = serverName
|
|
for i, v := range relayServers {
|
|
params[i+1] = v
|
|
}
|
|
|
|
_, err = stmt.ExecContext(ctx, params...)
|
|
return err
|
|
}
|
|
|
|
func (s *relayServersStatements) DeleteAllRelayServers(
|
|
ctx context.Context,
|
|
txn *sql.Tx,
|
|
serverName spec.ServerName,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.deleteAllRelayServersStmt)
|
|
if _, err := stmt.ExecContext(ctx, serverName); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|