dendrite/userapi/storage/postgres/devices_table.go
Neil Alexander 529df30b56
Virtual hosting schema and logic changes (#2876)
Note that virtual users cannot federate correctly yet.
2022-11-11 16:41:37 +00:00

339 lines
12 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"
"fmt"
"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/dendrite/userapi/storage/postgres/deltas"
"github.com/matrix-org/dendrite/userapi/storage/tables"
"github.com/matrix-org/gomatrixserverlib"
)
const devicesSchema = `
-- This sequence is used for automatic allocation of session_id.
CREATE SEQUENCE IF NOT EXISTS userapi_device_session_id_seq START 1;
-- Stores data about devices.
CREATE TABLE IF NOT EXISTS userapi_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('userapi_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,
server_name 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,
-- The time the device was last used, as a unix timestamp (ms resolution).
last_seen_ts BIGINT NOT NULL,
-- The last seen IP address of this device
ip TEXT,
-- User agent of this device
user_agent TEXT
-- TODO: device keys, device display names, token restrictions (if 3rd-party OAuth app)
);
-- Device IDs must be unique for a given user.
CREATE UNIQUE INDEX IF NOT EXISTS userapi_device_localpart_id_idx ON userapi_devices(localpart, server_name, device_id);
`
const insertDeviceSQL = "" +
"INSERT INTO userapi_devices(device_id, localpart, server_name, access_token, created_ts, display_name, last_seen_ts, ip, user_agent) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)" +
" RETURNING session_id"
const selectDeviceByTokenSQL = "" +
"SELECT session_id, device_id, localpart, server_name FROM userapi_devices WHERE access_token = $1"
const selectDeviceByIDSQL = "" +
"SELECT display_name, last_seen_ts, ip FROM userapi_devices WHERE localpart = $1 AND server_name = $2 AND device_id = $3"
const selectDevicesByLocalpartSQL = "" +
"SELECT device_id, display_name, last_seen_ts, ip, user_agent FROM userapi_devices WHERE localpart = $1 AND server_name = $2 AND device_id != $3 ORDER BY last_seen_ts DESC"
const updateDeviceNameSQL = "" +
"UPDATE userapi_devices SET display_name = $1 WHERE localpart = $2 AND server_name = $3 AND device_id = $4"
const deleteDeviceSQL = "" +
"DELETE FROM userapi_devices WHERE device_id = $1 AND localpart = $2 AND server_name = $3"
const deleteDevicesByLocalpartSQL = "" +
"DELETE FROM userapi_devices WHERE localpart = $1 AND server_name = $2 AND device_id != $3"
const deleteDevicesSQL = "" +
"DELETE FROM userapi_devices WHERE localpart = $1 AND server_name = $2 AND device_id = ANY($3)"
const selectDevicesByIDSQL = "" +
"SELECT device_id, localpart, server_name, display_name, last_seen_ts FROM userapi_devices WHERE device_id = ANY($1) ORDER BY last_seen_ts DESC"
const updateDeviceLastSeen = "" +
"UPDATE userapi_devices SET last_seen_ts = $1, ip = $2, user_agent = $3 WHERE localpart = $4 AND server_name = $5 AND device_id = $6"
type devicesStatements struct {
insertDeviceStmt *sql.Stmt
selectDeviceByTokenStmt *sql.Stmt
selectDeviceByIDStmt *sql.Stmt
selectDevicesByLocalpartStmt *sql.Stmt
selectDevicesByIDStmt *sql.Stmt
updateDeviceNameStmt *sql.Stmt
updateDeviceLastSeenStmt *sql.Stmt
deleteDeviceStmt *sql.Stmt
deleteDevicesByLocalpartStmt *sql.Stmt
deleteDevicesStmt *sql.Stmt
serverName gomatrixserverlib.ServerName
}
func NewPostgresDevicesTable(db *sql.DB, serverName gomatrixserverlib.ServerName) (tables.DevicesTable, error) {
s := &devicesStatements{
serverName: serverName,
}
_, err := db.Exec(devicesSchema)
if err != nil {
return nil, err
}
m := sqlutil.NewMigrator(db)
m.AddMigrations(sqlutil.Migration{
Version: "userapi: add last_seen_ts",
Up: deltas.UpLastSeenTSIP,
})
err = m.Up(context.Background())
if err != nil {
return nil, err
}
return s, sqlutil.StatementList{
{&s.insertDeviceStmt, insertDeviceSQL},
{&s.selectDeviceByTokenStmt, selectDeviceByTokenSQL},
{&s.selectDeviceByIDStmt, selectDeviceByIDSQL},
{&s.selectDevicesByLocalpartStmt, selectDevicesByLocalpartSQL},
{&s.updateDeviceNameStmt, updateDeviceNameSQL},
{&s.deleteDeviceStmt, deleteDeviceSQL},
{&s.deleteDevicesByLocalpartStmt, deleteDevicesByLocalpartSQL},
{&s.deleteDevicesStmt, deleteDevicesSQL},
{&s.selectDevicesByIDStmt, selectDevicesByIDSQL},
{&s.updateDeviceLastSeenStmt, updateDeviceLastSeen},
}.Prepare(db)
}
// 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 string,
localpart string, serverName gomatrixserverlib.ServerName,
accessToken string, displayName *string, ipAddr, userAgent 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, serverName, accessToken, createdTimeMS, displayName, createdTimeMS, ipAddr, userAgent).Scan(&sessionID); err != nil {
return nil, fmt.Errorf("insertDeviceStmt: %w", err)
}
return &api.Device{
ID: id,
UserID: userutil.MakeUserID(localpart, serverName),
AccessToken: accessToken,
SessionID: sessionID,
LastSeenTS: createdTimeMS,
LastSeenIP: ipAddr,
UserAgent: userAgent,
}, nil
}
// deleteDevice removes a single device by id and user localpart.
func (s *devicesStatements) DeleteDevice(
ctx context.Context, txn *sql.Tx, id string,
localpart string, serverName gomatrixserverlib.ServerName,
) error {
stmt := sqlutil.TxStmt(txn, s.deleteDeviceStmt)
_, err := stmt.ExecContext(ctx, id, localpart, serverName)
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, serverName gomatrixserverlib.ServerName,
devices []string,
) error {
stmt := sqlutil.TxStmt(txn, s.deleteDevicesStmt)
_, err := stmt.ExecContext(ctx, localpart, serverName, 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, serverName gomatrixserverlib.ServerName,
exceptDeviceID string,
) error {
stmt := sqlutil.TxStmt(txn, s.deleteDevicesByLocalpartStmt)
_, err := stmt.ExecContext(ctx, localpart, serverName, exceptDeviceID)
return err
}
func (s *devicesStatements) UpdateDeviceName(
ctx context.Context, txn *sql.Tx,
localpart string, serverName gomatrixserverlib.ServerName,
deviceID string, displayName *string,
) error {
stmt := sqlutil.TxStmt(txn, s.updateDeviceNameStmt)
_, err := stmt.ExecContext(ctx, displayName, localpart, serverName, deviceID)
return err
}
func (s *devicesStatements) SelectDeviceByToken(
ctx context.Context, accessToken string,
) (*api.Device, error) {
var dev api.Device
var localpart string
var serverName gomatrixserverlib.ServerName
stmt := s.selectDeviceByTokenStmt
err := stmt.QueryRowContext(ctx, accessToken).Scan(&dev.SessionID, &dev.ID, &localpart, &serverName)
if err == nil {
dev.UserID = userutil.MakeUserID(localpart, 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 string, serverName gomatrixserverlib.ServerName,
deviceID string,
) (*api.Device, error) {
var dev api.Device
var displayName, ip sql.NullString
var lastseenTS sql.NullInt64
stmt := s.selectDeviceByIDStmt
err := stmt.QueryRowContext(ctx, localpart, serverName, deviceID).Scan(&displayName, &lastseenTS, &ip)
if err == nil {
dev.ID = deviceID
dev.UserID = userutil.MakeUserID(localpart, serverName)
if displayName.Valid {
dev.DisplayName = displayName.String
}
if lastseenTS.Valid {
dev.LastSeenTS = lastseenTS.Int64
}
if ip.Valid {
dev.LastSeenIP = ip.String
}
}
return &dev, err
}
func (s *devicesStatements) SelectDevicesByID(ctx context.Context, deviceIDs []string) ([]api.Device, error) {
rows, err := s.selectDevicesByIDStmt.QueryContext(ctx, pq.StringArray(deviceIDs))
if err != nil {
return nil, err
}
defer internal.CloseAndLogIfError(ctx, rows, "selectDevicesByID: rows.close() failed")
var devices []api.Device
var dev api.Device
var localpart string
var serverName gomatrixserverlib.ServerName
var lastseents sql.NullInt64
var displayName sql.NullString
for rows.Next() {
if err := rows.Scan(&dev.ID, &localpart, &serverName, &displayName, &lastseents); err != nil {
return nil, err
}
if displayName.Valid {
dev.DisplayName = displayName.String
}
if lastseents.Valid {
dev.LastSeenTS = lastseents.Int64
}
dev.UserID = userutil.MakeUserID(localpart, serverName)
devices = append(devices, dev)
}
return devices, rows.Err()
}
func (s *devicesStatements) SelectDevicesByLocalpart(
ctx context.Context, txn *sql.Tx,
localpart string, serverName gomatrixserverlib.ServerName,
exceptDeviceID string,
) ([]api.Device, error) {
devices := []api.Device{}
rows, err := sqlutil.TxStmt(txn, s.selectDevicesByLocalpartStmt).QueryContext(ctx, localpart, serverName, exceptDeviceID)
if err != nil {
return devices, err
}
defer internal.CloseAndLogIfError(ctx, rows, "selectDevicesByLocalpart: rows.close() failed")
var dev api.Device
var lastseents sql.NullInt64
var id, displayname, ip, useragent sql.NullString
for rows.Next() {
err = rows.Scan(&id, &displayname, &lastseents, &ip, &useragent)
if err != nil {
return devices, err
}
if id.Valid {
dev.ID = id.String
}
if displayname.Valid {
dev.DisplayName = displayname.String
}
if lastseents.Valid {
dev.LastSeenTS = lastseents.Int64
}
if ip.Valid {
dev.LastSeenIP = ip.String
}
if useragent.Valid {
dev.UserAgent = useragent.String
}
dev.UserID = userutil.MakeUserID(localpart, serverName)
devices = append(devices, dev)
}
return devices, rows.Err()
}
func (s *devicesStatements) UpdateDeviceLastSeen(ctx context.Context, txn *sql.Tx, localpart string, serverName gomatrixserverlib.ServerName, deviceID, ipAddr, userAgent string) error {
lastSeenTs := time.Now().UnixNano() / 1000000
stmt := sqlutil.TxStmt(txn, s.updateDeviceLastSeenStmt)
_, err := stmt.ExecContext(ctx, lastSeenTs, ipAddr, userAgent, localpart, serverName, deviceID)
return err
}