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Fix SQLite session_id (#2977)

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This fixes an issue with device_id/session_ids.
If a `device_id` is reused, we would reuse the same `session_id`, since
we delete one device and insert a new one directly, resulting in the
query to get a new `session_id` to return the previous session_id.
(`SELECT count(access_token)`)
This commit is contained in:
Till 2023-02-17 11:39:46 +01:00 committed by GitHub
parent 11d9b9db0e
commit f0805071d5
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 74 additions and 18 deletions
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16
userapi/storage/postgres/devices_table.go
View file

@ -81,7 +81,7 @@ 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"
"SELECT device_id, display_name, last_seen_ts, ip, user_agent, session_id 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"
@ -96,7 +96,7 @@ 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"
"SELECT device_id, localpart, server_name, display_name, last_seen_ts, session_id 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"
@ -171,6 +171,14 @@ func (s *devicesStatements) InsertDevice(
}, nil
}
func (s *devicesStatements) InsertDeviceWithSessionID(ctx context.Context, txn *sql.Tx, id,
localpart string, serverName gomatrixserverlib.ServerName,
accessToken string, displayName *string, ipAddr, userAgent string,
sessionID int64,
) (*api.Device, error) {
return s.InsertDevice(ctx, txn, id, localpart, serverName, accessToken, displayName, ipAddr, userAgent)
}
// deleteDevice removes a single device by id and user localpart.
func (s *devicesStatements) DeleteDevice(
ctx context.Context, txn *sql.Tx, id string,
@ -271,7 +279,7 @@ func (s *devicesStatements) SelectDevicesByID(ctx context.Context, deviceIDs []s
var lastseents sql.NullInt64
var displayName sql.NullString
for rows.Next() {
if err := rows.Scan(&dev.ID, &localpart, &serverName, &displayName, &lastseents); err != nil {
if err := rows.Scan(&dev.ID, &localpart, &serverName, &displayName, &lastseents, &dev.SessionID); err != nil {
return nil, err
}
if displayName.Valid {
@ -303,7 +311,7 @@ func (s *devicesStatements) SelectDevicesByLocalpart(
var lastseents sql.NullInt64
var id, displayname, ip, useragent sql.NullString
for rows.Next() {
err = rows.Scan(&id, &displayname, &lastseents, &ip, &useragent)
err = rows.Scan(&id, &displayname, &lastseents, &ip, &useragent, &dev.SessionID)
if err != nil {
return devices, err
}

28
userapi/storage/shared/storage.go
View file

@ -588,6 +588,31 @@ func (d *Database) CreateDevice(
deviceID *string, accessToken string, displayName *string, ipAddr, userAgent string,
) (dev *api.Device, returnErr error) {
if deviceID != nil {
_, ok := d.Writer.(*sqlutil.ExclusiveWriter)
if ok { // we're using most likely using SQLite, so do things a little different
returnErr = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
var err error
devices, err := d.Devices.SelectDevicesByLocalpart(ctx, txn, localpart, serverName, "")
if err != nil && !errors.Is(err, sql.ErrNoRows) {
return err
}
// No devices yet, only create a new one
if len(devices) == 0 {
dev, err = d.Devices.InsertDevice(ctx, txn, *deviceID, localpart, serverName, accessToken, displayName, ipAddr, userAgent)
return err
}
sessionID := devices[0].SessionID + 1
// Revoke existing tokens for this device
if err = d.Devices.DeleteDevice(ctx, txn, *deviceID, localpart, serverName); err != nil {
return err
}
// Create a new device with the session ID incremented
dev, err = d.Devices.InsertDeviceWithSessionID(ctx, txn, *deviceID, localpart, serverName, accessToken, displayName, ipAddr, userAgent, sessionID)
return err
})
} else {
returnErr = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
var err error
// Revoke existing tokens for this device
@ -598,6 +623,7 @@ func (d *Database) CreateDevice(
dev, err = d.Devices.InsertDevice(ctx, txn, *deviceID, localpart, serverName, accessToken, displayName, ipAddr, userAgent)
return err
})
}
} else {
// We generate device IDs in a loop in case its already taken.
// We cap this at going round 5 times to ensure we don't spin forever
@ -618,7 +644,7 @@ func (d *Database) CreateDevice(
}
}
}
return
return dev, returnErr
}
// generateDeviceID creates a new device id. Returns an error if failed to generate

29
userapi/storage/sqlite3/devices_table.go
View file

@ -65,7 +65,7 @@ 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"
"SELECT device_id, display_name, last_seen_ts, ip, user_agent, session_id 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"
@ -80,7 +80,7 @@ const deleteDevicesSQL = "" +
"DELETE FROM userapi_devices WHERE localpart = $1 AND server_name = $2 AND device_id IN ($3)"
const selectDevicesByIDSQL = "" +
"SELECT device_id, localpart, server_name, display_name, last_seen_ts FROM userapi_devices WHERE device_id IN ($1) ORDER BY last_seen_ts DESC"
"SELECT device_id, localpart, server_name, display_name, last_seen_ts, session_id FROM userapi_devices WHERE device_id IN ($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"
@ -162,6 +162,27 @@ func (s *devicesStatements) InsertDevice(
}, nil
}
func (s *devicesStatements) InsertDeviceWithSessionID(ctx context.Context, txn *sql.Tx, id,
localpart string, serverName gomatrixserverlib.ServerName,
accessToken string, displayName *string, ipAddr, userAgent string,
sessionID int64,
) (*api.Device, error) {
createdTimeMS := time.Now().UnixNano() / 1000000
insertStmt := sqlutil.TxStmt(txn, s.insertDeviceStmt)
if _, err := insertStmt.ExecContext(ctx, id, localpart, serverName, accessToken, createdTimeMS, displayName, sessionID, createdTimeMS, ipAddr, userAgent); err != nil {
return nil, err
}
return &api.Device{
ID: id,
UserID: userutil.MakeUserID(localpart, serverName),
AccessToken: accessToken,
SessionID: sessionID,
LastSeenTS: createdTimeMS,
LastSeenIP: ipAddr,
UserAgent: userAgent,
}, nil
}
func (s *devicesStatements) DeleteDevice(
ctx context.Context, txn *sql.Tx, id string,
localpart string, serverName gomatrixserverlib.ServerName,
@ -271,7 +292,7 @@ func (s *devicesStatements) SelectDevicesByLocalpart(
var lastseents sql.NullInt64
var id, displayname, ip, useragent sql.NullString
for rows.Next() {
err = rows.Scan(&id, &displayname, &lastseents, &ip, &useragent)
err = rows.Scan(&id, &displayname, &lastseents, &ip, &useragent, &dev.SessionID)
if err != nil {
return devices, err
}
@ -317,7 +338,7 @@ func (s *devicesStatements) SelectDevicesByID(ctx context.Context, deviceIDs []s
var displayName sql.NullString
var lastseents sql.NullInt64
for rows.Next() {
if err := rows.Scan(&dev.ID, &localpart, &serverName, &displayName, &lastseents); err != nil {
if err := rows.Scan(&dev.ID, &localpart, &serverName, &displayName, &lastseents, &dev.SessionID); err != nil {
return nil, err
}
if displayName.Valid {

1
userapi/storage/tables/interface.go
View file

@ -44,6 +44,7 @@ type AccountsTable interface {
type DevicesTable interface {
InsertDevice(ctx context.Context, txn *sql.Tx, id, localpart string, serverName gomatrixserverlib.ServerName, accessToken string, displayName *string, ipAddr, userAgent string) (*api.Device, error)
InsertDeviceWithSessionID(ctx context.Context, txn *sql.Tx, id, localpart string, serverName gomatrixserverlib.ServerName, accessToken string, displayName *string, ipAddr, userAgent string, sessionID int64) (*api.Device, error)
DeleteDevice(ctx context.Context, txn *sql.Tx, id, localpart string, serverName gomatrixserverlib.ServerName) error
DeleteDevices(ctx context.Context, txn *sql.Tx, localpart string, serverName gomatrixserverlib.ServerName, devices []string) error
DeleteDevicesByLocalpart(ctx context.Context, txn *sql.Tx, localpart string, serverName gomatrixserverlib.ServerName, exceptDeviceID string) error