250 lines
8.5 KiB
Go
250 lines
8.5 KiB
Go
// Copyright 2017 Vector Creations Ltd
|
|
//
|
|
// 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 postgres
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"time"
|
|
|
|
"github.com/lib/pq"
|
|
"github.com/matrix-org/dendrite/clientapi/userutil"
|
|
"github.com/matrix-org/dendrite/internal"
|
|
"github.com/matrix-org/dendrite/internal/sqlutil"
|
|
"github.com/matrix-org/dendrite/userapi/api"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
)
|
|
|
|
const devicesSchema = `
|
|
-- This sequence is used for automatic allocation of session_id.
|
|
CREATE SEQUENCE IF NOT EXISTS device_session_id_seq START 1;
|
|
|
|
-- Stores data about devices.
|
|
CREATE TABLE IF NOT EXISTS device_devices (
|
|
-- The access token granted to this device. This has to be the primary key
|
|
-- so we can distinguish which device is making a given request.
|
|
access_token TEXT NOT NULL PRIMARY KEY,
|
|
-- The auto-allocated unique ID of the session identified by the access token.
|
|
-- This can be used as a secure substitution of the access token in situations
|
|
-- where data is associated with access tokens (e.g. transaction storage),
|
|
-- so we don't have to store users' access tokens everywhere.
|
|
session_id BIGINT NOT NULL DEFAULT nextval('device_session_id_seq'),
|
|
-- The device identifier. This only needs to uniquely identify a device for a given user, not globally.
|
|
-- access_tokens will be clobbered based on the device ID for a user.
|
|
device_id TEXT NOT NULL,
|
|
-- The Matrix user ID localpart for this device. This is preferable to storing the full user_id
|
|
-- as it is smaller, makes it clearer that we only manage devices for our own users, and may make
|
|
-- migration to different domain names easier.
|
|
localpart TEXT NOT NULL,
|
|
-- When this devices was first recognised on the network, as a unix timestamp (ms resolution).
|
|
created_ts BIGINT NOT NULL,
|
|
-- The display name, human friendlier than device_id and updatable
|
|
display_name TEXT
|
|
-- TODO: device keys, device display names, last used ts and IP address?, token restrictions (if 3rd-party OAuth app)
|
|
);
|
|
|
|
-- Device IDs must be unique for a given user.
|
|
CREATE UNIQUE INDEX IF NOT EXISTS device_localpart_id_idx ON device_devices(localpart, device_id);
|
|
`
|
|
|
|
const insertDeviceSQL = "" +
|
|
"INSERT INTO device_devices(device_id, localpart, access_token, created_ts, display_name) VALUES ($1, $2, $3, $4, $5)" +
|
|
" RETURNING session_id"
|
|
|
|
const selectDeviceByTokenSQL = "" +
|
|
"SELECT session_id, device_id, localpart FROM device_devices WHERE access_token = $1"
|
|
|
|
const selectDeviceByIDSQL = "" +
|
|
"SELECT display_name FROM device_devices WHERE localpart = $1 and device_id = $2"
|
|
|
|
const selectDevicesByLocalpartSQL = "" +
|
|
"SELECT device_id, display_name FROM device_devices WHERE localpart = $1"
|
|
|
|
const updateDeviceNameSQL = "" +
|
|
"UPDATE device_devices SET display_name = $1 WHERE localpart = $2 AND device_id = $3"
|
|
|
|
const deleteDeviceSQL = "" +
|
|
"DELETE FROM device_devices WHERE device_id = $1 AND localpart = $2"
|
|
|
|
const deleteDevicesByLocalpartSQL = "" +
|
|
"DELETE FROM device_devices WHERE localpart = $1"
|
|
|
|
const deleteDevicesSQL = "" +
|
|
"DELETE FROM device_devices WHERE localpart = $1 AND device_id = ANY($2)"
|
|
|
|
type devicesStatements struct {
|
|
insertDeviceStmt *sql.Stmt
|
|
selectDeviceByTokenStmt *sql.Stmt
|
|
selectDeviceByIDStmt *sql.Stmt
|
|
selectDevicesByLocalpartStmt *sql.Stmt
|
|
updateDeviceNameStmt *sql.Stmt
|
|
deleteDeviceStmt *sql.Stmt
|
|
deleteDevicesByLocalpartStmt *sql.Stmt
|
|
deleteDevicesStmt *sql.Stmt
|
|
serverName gomatrixserverlib.ServerName
|
|
}
|
|
|
|
func (s *devicesStatements) prepare(db *sql.DB, server gomatrixserverlib.ServerName) (err error) {
|
|
_, err = db.Exec(devicesSchema)
|
|
if err != nil {
|
|
return
|
|
}
|
|
if s.insertDeviceStmt, err = db.Prepare(insertDeviceSQL); err != nil {
|
|
return
|
|
}
|
|
if s.selectDeviceByTokenStmt, err = db.Prepare(selectDeviceByTokenSQL); err != nil {
|
|
return
|
|
}
|
|
if s.selectDeviceByIDStmt, err = db.Prepare(selectDeviceByIDSQL); err != nil {
|
|
return
|
|
}
|
|
if s.selectDevicesByLocalpartStmt, err = db.Prepare(selectDevicesByLocalpartSQL); err != nil {
|
|
return
|
|
}
|
|
if s.updateDeviceNameStmt, err = db.Prepare(updateDeviceNameSQL); err != nil {
|
|
return
|
|
}
|
|
if s.deleteDeviceStmt, err = db.Prepare(deleteDeviceSQL); err != nil {
|
|
return
|
|
}
|
|
if s.deleteDevicesByLocalpartStmt, err = db.Prepare(deleteDevicesByLocalpartSQL); err != nil {
|
|
return
|
|
}
|
|
if s.deleteDevicesStmt, err = db.Prepare(deleteDevicesSQL); err != nil {
|
|
return
|
|
}
|
|
s.serverName = server
|
|
return
|
|
}
|
|
|
|
// insertDevice creates a new device. Returns an error if any device with the same access token already exists.
|
|
// Returns an error if the user already has a device with the given device ID.
|
|
// Returns the device on success.
|
|
func (s *devicesStatements) insertDevice(
|
|
ctx context.Context, txn *sql.Tx, id, localpart, accessToken string,
|
|
displayName *string,
|
|
) (*api.Device, error) {
|
|
createdTimeMS := time.Now().UnixNano() / 1000000
|
|
var sessionID int64
|
|
stmt := sqlutil.TxStmt(txn, s.insertDeviceStmt)
|
|
if err := stmt.QueryRowContext(ctx, id, localpart, accessToken, createdTimeMS, displayName).Scan(&sessionID); err != nil {
|
|
return nil, err
|
|
}
|
|
return &api.Device{
|
|
ID: id,
|
|
UserID: userutil.MakeUserID(localpart, s.serverName),
|
|
AccessToken: accessToken,
|
|
SessionID: sessionID,
|
|
}, nil
|
|
}
|
|
|
|
// deleteDevice removes a single device by id and user localpart.
|
|
func (s *devicesStatements) deleteDevice(
|
|
ctx context.Context, txn *sql.Tx, id, localpart string,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.deleteDeviceStmt)
|
|
_, err := stmt.ExecContext(ctx, id, localpart)
|
|
return err
|
|
}
|
|
|
|
// deleteDevices removes a single or multiple devices by ids and user localpart.
|
|
// Returns an error if the execution failed.
|
|
func (s *devicesStatements) deleteDevices(
|
|
ctx context.Context, txn *sql.Tx, localpart string, devices []string,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.deleteDevicesStmt)
|
|
_, err := stmt.ExecContext(ctx, localpart, pq.Array(devices))
|
|
return err
|
|
}
|
|
|
|
// deleteDevicesByLocalpart removes all devices for the
|
|
// given user localpart.
|
|
func (s *devicesStatements) deleteDevicesByLocalpart(
|
|
ctx context.Context, txn *sql.Tx, localpart string,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.deleteDevicesByLocalpartStmt)
|
|
_, err := stmt.ExecContext(ctx, localpart)
|
|
return err
|
|
}
|
|
|
|
func (s *devicesStatements) updateDeviceName(
|
|
ctx context.Context, txn *sql.Tx, localpart, deviceID string, displayName *string,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.updateDeviceNameStmt)
|
|
_, err := stmt.ExecContext(ctx, displayName, localpart, deviceID)
|
|
return err
|
|
}
|
|
|
|
func (s *devicesStatements) selectDeviceByToken(
|
|
ctx context.Context, accessToken string,
|
|
) (*api.Device, error) {
|
|
var dev api.Device
|
|
var localpart string
|
|
stmt := s.selectDeviceByTokenStmt
|
|
err := stmt.QueryRowContext(ctx, accessToken).Scan(&dev.SessionID, &dev.ID, &localpart)
|
|
if err == nil {
|
|
dev.UserID = userutil.MakeUserID(localpart, s.serverName)
|
|
dev.AccessToken = accessToken
|
|
}
|
|
return &dev, err
|
|
}
|
|
|
|
// selectDeviceByID retrieves a device from the database with the given user
|
|
// localpart and deviceID
|
|
func (s *devicesStatements) selectDeviceByID(
|
|
ctx context.Context, localpart, deviceID string,
|
|
) (*api.Device, error) {
|
|
var dev api.Device
|
|
stmt := s.selectDeviceByIDStmt
|
|
err := stmt.QueryRowContext(ctx, localpart, deviceID).Scan(&dev.DisplayName)
|
|
if err == nil {
|
|
dev.ID = deviceID
|
|
dev.UserID = userutil.MakeUserID(localpart, s.serverName)
|
|
}
|
|
return &dev, err
|
|
}
|
|
|
|
func (s *devicesStatements) selectDevicesByLocalpart(
|
|
ctx context.Context, localpart string,
|
|
) ([]api.Device, error) {
|
|
devices := []api.Device{}
|
|
|
|
rows, err := s.selectDevicesByLocalpartStmt.QueryContext(ctx, localpart)
|
|
|
|
if err != nil {
|
|
return devices, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectDevicesByLocalpart: rows.close() failed")
|
|
|
|
for rows.Next() {
|
|
var dev api.Device
|
|
var id, displayname sql.NullString
|
|
err = rows.Scan(&id, &displayname)
|
|
if err != nil {
|
|
return devices, err
|
|
}
|
|
if id.Valid {
|
|
dev.ID = id.String
|
|
}
|
|
if displayname.Valid {
|
|
dev.DisplayName = displayname.String
|
|
}
|
|
dev.UserID = userutil.MakeUserID(localpart, s.serverName)
|
|
devices = append(devices, dev)
|
|
}
|
|
|
|
return devices, rows.Err()
|
|
}
|