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dendrite/userapi/storage/sqlite3/pusher_table.go
2022-04-19 09:51:02 +01:00

156 lines
5.3 KiB
Go

// Copyright 2021 Dan Peleg <dan@globekeeper.com>
//
// 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"
"encoding/json"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/dendrite/userapi/storage/tables"
"github.com/sirupsen/logrus"
)
// See https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-pushers
const pushersSchema = `
CREATE TABLE IF NOT EXISTS userapi_pushers (
id INTEGER PRIMARY KEY AUTOINCREMENT,
-- The Matrix user ID localpart for this pusher
localpart TEXT NOT NULL,
session_id BIGINT DEFAULT NULL,
profile_tag TEXT,
kind TEXT NOT NULL,
app_id TEXT NOT NULL,
app_display_name TEXT NOT NULL,
device_display_name TEXT NOT NULL,
pushkey TEXT NOT NULL,
pushkey_ts_ms BIGINT NOT NULL DEFAULT 0,
lang TEXT NOT NULL,
data TEXT NOT NULL
);
-- For faster deleting by app_id, pushkey pair.
CREATE INDEX IF NOT EXISTS userapi_pusher_app_id_pushkey_idx ON userapi_pushers(app_id, pushkey);
-- For faster retrieving by localpart.
CREATE INDEX IF NOT EXISTS userapi_pusher_localpart_idx ON userapi_pushers(localpart);
-- Pushkey must be unique for a given user and app.
CREATE UNIQUE INDEX IF NOT EXISTS userapi_pusher_app_id_pushkey_localpart_idx ON userapi_pushers(app_id, pushkey, localpart);
`
const insertPusherSQL = "" +
"INSERT INTO userapi_pushers (localpart, session_id, pushkey, pushkey_ts_ms, kind, app_id, app_display_name, device_display_name, profile_tag, lang, data)" +
"VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)" +
"ON CONFLICT (app_id, pushkey, localpart) DO UPDATE SET session_id = $2, pushkey_ts_ms = $4, kind = $5, app_display_name = $7, device_display_name = $8, profile_tag = $9, lang = $10, data = $11"
const selectPushersSQL = "" +
"SELECT session_id, pushkey, pushkey_ts_ms, kind, app_id, app_display_name, device_display_name, profile_tag, lang, data FROM userapi_pushers WHERE localpart = $1"
const deletePusherSQL = "" +
"DELETE FROM userapi_pushers WHERE app_id = $1 AND pushkey = $2 AND localpart = $3"
const deletePushersByAppIdAndPushKeySQL = "" +
"DELETE FROM userapi_pushers WHERE app_id = $1 AND pushkey = $2"
func NewSQLitePusherTable(db *sql.DB) (tables.PusherTable, error) {
s := &pushersStatements{}
_, err := db.Exec(pushersSchema)
if err != nil {
return nil, err
}
return s, sqlutil.StatementList{
{&s.insertPusherStmt, insertPusherSQL},
{&s.selectPushersStmt, selectPushersSQL},
{&s.deletePusherStmt, deletePusherSQL},
{&s.deletePushersByAppIdAndPushKeyStmt, deletePushersByAppIdAndPushKeySQL},
}.Prepare(db)
}
type pushersStatements struct {
insertPusherStmt *sql.Stmt
selectPushersStmt *sql.Stmt
deletePusherStmt *sql.Stmt
deletePushersByAppIdAndPushKeyStmt *sql.Stmt
}
// insertPusher creates a new pusher.
// Returns an error if the user already has a pusher with the given pusher pushkey.
// Returns nil error success.
func (s *pushersStatements) InsertPusher(
ctx context.Context, txn *sql.Tx, session_id int64,
pushkey string, pushkeyTS int64, kind api.PusherKind, appid, appdisplayname, devicedisplayname, profiletag, lang, data, localpart string,
) error {
_, err := s.insertPusherStmt.ExecContext(ctx, localpart, session_id, pushkey, pushkeyTS, kind, appid, appdisplayname, devicedisplayname, profiletag, lang, data)
logrus.Debugf("Created pusher %d", session_id)
return err
}
func (s *pushersStatements) SelectPushers(
ctx context.Context, txn *sql.Tx, localpart string,
) ([]api.Pusher, error) {
pushers := []api.Pusher{}
rows, err := s.selectPushersStmt.QueryContext(ctx, localpart)
if err != nil {
return pushers, err
}
defer internal.CloseAndLogIfError(ctx, rows, "SelectPushers: rows.close() failed")
for rows.Next() {
var pusher api.Pusher
var data []byte
err = rows.Scan(
&pusher.SessionID,
&pusher.PushKey,
&pusher.PushKeyTS,
&pusher.Kind,
&pusher.AppID,
&pusher.AppDisplayName,
&pusher.DeviceDisplayName,
&pusher.ProfileTag,
&pusher.Language,
&data)
if err != nil {
return pushers, err
}
err := json.Unmarshal(data, &pusher.Data)
if err != nil {
return pushers, err
}
pushers = append(pushers, pusher)
}
logrus.Debugf("Database returned %d pushers", len(pushers))
return pushers, rows.Err()
}
// deletePusher removes a single pusher by pushkey and user localpart.
func (s *pushersStatements) DeletePusher(
ctx context.Context, txn *sql.Tx, appid, pushkey, localpart string,
) error {
_, err := s.deletePusherStmt.ExecContext(ctx, appid, pushkey, localpart)
return err
}
func (s *pushersStatements) DeletePushers(
ctx context.Context, txn *sql.Tx, appid, pushkey string,
) error {
_, err := s.deletePushersByAppIdAndPushKeyStmt.ExecContext(ctx, appid, pushkey)
return err
}