def _verify_has_admin(sio: ServerApp, session_id: int, admin_user_id: Optional[int], *, allow_when_no_admins: bool = False) -> None: """ Checks if the logged user can do admin operations to the given session, :param session_id: The GameSessions id :param admin_user_id: An user id that is exceptionally authorized for this :param allow_when_no_admins: This action is authorized for non-admins if there are no admins. :return: """ current_user = sio.get_current_user() try: current_membership = GameSessionMembership.get_by_ids( current_user.id, session_id) except peewee.DoesNotExist: raise NotAuthorizedForAction() if not (current_membership.admin or (admin_user_id is not None and current_user.id == admin_user_id)): if allow_when_no_admins and GameSessionMembership.select().where( GameSessionMembership.session == session_id, GameSessionMembership.admin == True).count() == 0: return raise NotAuthorizedForAction()
def _create_client_side_session(sio: ServerApp, user: Optional[User]) -> dict: """ :param user: If the session's user was already retrieved, pass it along to avoid an extra query. :return: """ session = sio.get_session() encrypted_session = sio.fernet_encrypt.encrypt( json.dumps(session).encode("utf-8")) if user is None: user = User.get_by_id(session["user-id"]) elif user.id != session["user-id"]: raise RuntimeError(f"Provided user does not match the session's user") logger().info( f"Client at {sio.current_client_ip()} is user {user.name} ({user.id})." ) return { "user": user.as_json, "sessions": [ membership.session.create_list_entry() for membership in GameSessionMembership.select().where( GameSessionMembership.user == user) ], "encoded_session_b85": base64.b85encode(encrypted_session), }
def _start_session(sio: ServerApp, session: GameSession): _verify_has_admin(sio, session.id, None) _verify_in_setup(session) if session.layout_description_json is None: raise InvalidAction("Unable to start session, no game is available.") num_players = GameSessionMembership.select().where( GameSessionMembership.session == session, GameSessionMembership.row != None).count() expected_players = session.num_rows if num_players != expected_players: raise InvalidAction( f"Unable to start session, there are {num_players} but expected {expected_players} " f"({session.num_rows} x {session.num_teams}).") session.state = GameSessionState.IN_PROGRESS session.save()
def report_user_disconnected(sio: ServerApp, user_id: int, log): memberships: List[GameSessionMembership] = list( GameSessionMembership.select().where( GameSessionMembership.user == user_id)) log.info( f"User {user_id} is disconnected, disconnecting from sessions: {memberships}" ) sessions_to_update = [] for membership in memberships: if membership.connection_state != "Offline": membership.connection_state = "Offline" sessions_to_update.append(membership.session) membership.save() for session in sessions_to_update: _emit_session_meta_update(session)
def game_session_admin_player(sio: ServerApp, session_id: int, user_id: int, action: str, arg): _verify_has_admin(sio, session_id, user_id) action: SessionAdminUserAction = SessionAdminUserAction(action) session: GameSession = database.GameSession.get_by_id(session_id) membership = GameSessionMembership.get_by_ids(user_id, session_id) if action == SessionAdminUserAction.KICK: _add_audit_entry( sio, session, f"Kicked {membership.effective_name}" if membership.user != sio.get_current_user() else "Left session") membership.delete_instance() if not list(session.players): session.delete_instance(recursive=True) logger().info( f"{_describe_session(session)}. Kicking user {user_id} and deleting session." ) else: logger().info( f"{_describe_session(session)}. Kicking user {user_id}.") elif action == SessionAdminUserAction.MOVE: offset: int = arg if membership.is_observer is None: raise InvalidAction("Player is an observer") new_row = membership.row + offset if new_row < 0: raise InvalidAction("New position is negative") if new_row >= session.num_rows: raise InvalidAction("New position is beyond num of rows") team_members = [None] * session.num_rows for member in GameSessionMembership.non_observer_members(session): team_members[member.row] = member while (0 <= new_row < session.num_rows) and team_members[new_row] is not None: new_row += offset if new_row < 0 or new_row >= session.num_rows: raise InvalidAction("No empty slots found in this direction") with database.db.atomic(): logger().info( f"{_describe_session(session)}, User {user_id}. " f"Performing {action}, new row is {new_row}, from {membership.row}." ) membership.row = new_row membership.save() elif action == SessionAdminUserAction.SWITCH_IS_OBSERVER: if membership.is_observer: membership.row = _find_empty_row(session) else: membership.row = None logger().info( f"{_describe_session(session)}, User {user_id}. Performing {action}, " f"new row is {membership.row}.") membership.save() elif action == SessionAdminUserAction.SWITCH_ADMIN: # Must be admin for this _verify_has_admin(sio, session_id, None, allow_when_no_admins=True) num_admins = GameSessionMembership.select().where( GameSessionMembership.session == session_id, GameSessionMembership.admin == True).count() if membership.admin and num_admins <= 1: raise InvalidAction("can't demote the only admin") membership.admin = not membership.admin _add_audit_entry( sio, session, f"Made {membership.effective_name} {'' if membership.admin else 'not '}an admin" ) logger().info( f"{_describe_session(session)}, User {user_id}. Performing {action}, " f"new status is {membership.admin}.") membership.save() elif action == SessionAdminUserAction.CREATE_PATCHER_FILE: player_names = {i: f"Player {i + 1}" for i in range(session.num_rows)} for member in GameSessionMembership.non_observer_members(session): player_names[member.row] = member.effective_name layout_description = session.layout_description players_config = PlayersConfiguration( player_index=membership.row, player_names=player_names, ) preset = layout_description.get_preset(players_config.player_index) cosmetic_patches = preset.game.data.layout.cosmetic_patches.from_json( arg) _add_audit_entry(sio, session, f"Made an ISO for row {membership.row + 1}") data_factory = preset.game.patch_data_factory(layout_description, players_config, cosmetic_patches) try: return data_factory.create_data() except Exception as e: logger().exception("Error when creating patch data") raise InvalidAction(f"Unable to export game: {e}") elif action == SessionAdminUserAction.ABANDON: # FIXME raise InvalidAction("Abandon is NYI") _emit_session_meta_update(session)
def game_session_admin_player(sio: ServerApp, session_id: int, user_id: int, action: str, arg): _verify_has_admin(sio, session_id, user_id) action: SessionAdminUserAction = SessionAdminUserAction(action) session: GameSession = database.GameSession.get_by_id(session_id) membership = GameSessionMembership.get_by_ids(user_id, session_id) if action == SessionAdminUserAction.KICK: membership.delete_instance() if not list(session.players): session.delete_instance(recursive=True) logger().info( f"Session {session_id}. Kicking user {user_id} and deleting session." ) else: logger().info(f"Session {session_id}. Kicking user {user_id}.") elif action == SessionAdminUserAction.MOVE: offset: int = arg if membership.is_observer is None: raise InvalidAction("Player is an observer") new_row = membership.row + offset if new_row < 0: raise InvalidAction("New position is negative") if new_row >= session.num_rows: raise InvalidAction("New position is beyond num of rows") team_members = [None] * session.num_rows for member in GameSessionMembership.non_observer_members(session): team_members[member.row] = member while (0 <= new_row < session.num_rows) and team_members[new_row] is not None: new_row += offset if new_row < 0 or new_row >= session.num_rows: raise InvalidAction("No empty slots found in this direction") with database.db.atomic(): logger().info( f"Session {session_id}, User {user_id}. " f"Performing {action}, new row is {new_row}, from {membership.row}." ) membership.row = new_row membership.save() elif action == SessionAdminUserAction.SWITCH_IS_OBSERVER: if membership.is_observer: membership.row = _find_empty_row(session) else: membership.row = None logger().info( f"Session {session_id}, User {user_id}. Performing {action}, new row is {membership.row}." ) membership.save() elif action == SessionAdminUserAction.SWITCH_ADMIN: # Must be admin for this _verify_has_admin(sio, session_id, None, allow_when_no_admins=True) num_admins = GameSessionMembership.select().where( GameSessionMembership.session == session_id, GameSessionMembership.admin == True).count() if membership.admin and num_admins <= 1: raise InvalidAction("can't demote the only admin") membership.admin = not membership.admin logger().info( f"Session {session_id}, User {user_id}. Performing {action}, new status is {membership.admin}." ) membership.save() elif action == SessionAdminUserAction.CREATE_PATCHER_FILE: cosmetic_patches = CosmeticPatches.from_json_dict(arg) player_names = {i: f"Player {i + 1}" for i in range(session.num_rows)} for member in GameSessionMembership.non_observer_members(session): player_names[member.row] = member.effective_name players_config = PlayersConfiguration( player_index=membership.row, player_names=player_names, ) return patcher_file.create_patcher_file(session.layout_description, players_config, cosmetic_patches) elif action == SessionAdminUserAction.ABANDON: # FIXME raise InvalidAction("Abandon is NYI") _emit_session_update(session)