#!/usr/bin/env python3 """ Doorlockd -- Binary Kitchen's smart door opener Copyright (c) Binary Kitchen e.V., 2018 Author: Ralf Ramsauer This work is licensed under the terms of the GNU GPL, version 2. See the LICENSE file in the top-level directory. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. """ import logging import sys from configparser import ConfigParser from enum import Enum from os.path import abspath, join from serial import Serial from subprocess import Popen from threading import Thread from time import sleep from pydoorlock.Authenticator import Authenticator, AuthMethod, AuthenticationResult from pydoorlock.WebApp import webapp_run, emit_doorstate from pydoorlock.Door import DoorState SYSCONFDIR = '.' PREFIX = '.' root_prefix = join(PREFIX, 'share', 'doorlockd') sounds_prefix = join(root_prefix, 'sounds') scripts_prefix = join(root_prefix, 'scripts') static_folder = abspath(join(root_prefix, 'static')) template_folder = abspath(join(root_prefix, 'templates')) __author__ = 'Ralf Ramsauer' __copyright = 'Copyright (c) Ralf Ramsauer, 2018' __license__ = 'GPLv2' __email__ = 'ralf@binary-kitchen.de' __status__ = 'Development' __maintainer__ = 'Ralf Ramsauer' __version__ = '2.0-rc2' log_level = logging.DEBUG date_fmt = '%Y-%m-%d %H:%M:%S' log_fmt = '%(asctime)-15s %(levelname)-8s %(message)s' log = logging.getLogger() class Config: config_topic = 'doorlock' def __init__(self, sysconfdir): self.config = ConfigParser() self.config.read([join(sysconfdir, 'doorlockd.default.cfg'), join(sysconfdir, 'doorlockd.cfg')]) def boolean(self, key): return self.config.getboolean(self.config_topic, key) def str(self, key): return self.config.get(self.config_topic, key) cfg = Config(SYSCONFDIR) # Booleans run_hooks = cfg.boolean('RUN_HOOKS') sounds = cfg.boolean('SOUNDS') wave_emergency = 'emergency_unlock.wav' wave_lock = 'lock.wav' wave_lock_button = 'lock_button.wav' wave_present = 'present.wav' wave_present_button = 'present.wav' wave_unlock = 'unlock.wav' wave_unlock_button = 'unlock_button.wav' wave_zonk = 'zonk.wav' def playsound(filename): if not sounds: return Popen(['nohup', 'aplay', join(sounds_prefix, filename)]) def start_hook(script): if not run_hooks: log.info('Hooks disabled: not starting %s' % script) return log.info('Starting hook %s' % script) Popen(['nohup', join(scripts_prefix, script)]) def sound_helper(old_state, new_state, button): if old_state == new_state: playsound(wave_zonk) if button: if new_state == DoorState.Open: playsound(wave_unlock_button) elif new_state == DoorState.Present: playsound(wave_present_button) elif new_state == DoorState.Closed: playsound(wave_lock_button) else: if new_state == DoorState.Open: playsound(wave_unlock) elif new_state == DoorState.Present: playsound(wave_present) elif new_state == DoorState.Closed: playsound(wave_lock) class LogicResponse(Enum): Success = 0 Perm = 1 AlreadyActive = 2 # don't break old apps, value 3 is reserved now RESERVED = 3 Inval = 4 EmergencyUnlock = 10, ButtonLock = 11, ButtonUnlock = 12, ButtonPresent = 13, def __str__(self): if self == LogicResponse.Success: return 'Yo, passt.' elif self == LogicResponse.Perm: return choose_insult() elif self == LogicResponse.AlreadyActive: return 'Zustand bereits aktiv' elif self == LogicResponse.Inval: return 'Das was du willst geht nicht.' elif self == LogicResponse.EmergencyUnlock: return '!!! Emergency Unlock !!!' elif self == LogicResponse.ButtonLock: return 'Closed by button' elif self == LogicResponse.ButtonUnlock: return 'Opened by button' elif self == LogicResponse.ButtonPresent: return 'Present by button' return 'Error' class DoorHandler: state = DoorState.Closed do_close = False CMD_PRESENT = b'y' CMD_OPEN = b'g' CMD_CLOSE = b'r' BUTTON_PRESENT = b'Y' BUTTON_OPEN = b'G' BUTTON_CLOSE = b'R' CMD_EMERGENCY_SWITCH = b'E' # TBD DOOR NOT CLOSED def __init__(self, device): if cfg.boolean('SIMULATE_SERIAL'): return device = cfg.str('SERIAL_PORT') log.info('Using serial port: %s' % device) self.serial = Serial(device, baudrate=9600, bytesize=8, parity='N', stopbits=1, timeout=0) self.thread = Thread(target=self.thread_worker) log.debug('Spawning RS232 Thread') self.thread.start() def thread_worker(self): while True: sleep(0.4) while True: rx = self.serial.read(1) if len(rx) == 0: break old_state = self.state if rx == DoorHandler.BUTTON_CLOSE: self.close() log.info('Closed due to Button press') #emit_status(LogicResponse.ButtonLock) elif rx == DoorHandler.BUTTON_OPEN: self.open() log.info('Opened due to Button press') #emit_status(LogicResponse.ButtonUnlock) elif rx == DoorHandler.BUTTON_PRESENT: self.present() log.info('Present due to Button press') #emit_status(LogicResponse.ButtonPresent) elif rx == DoorHandler.CMD_EMERGENCY_SWITCH: log.warning('Emergency unlock') #emit_status(LogicResponse.EmergencyUnlock) else: log.error('Received unknown message "%s" from AVR' % rx) sound_helper(old_state, self.state, True) if self.do_close: tx = DoorHandler.CMD_CLOSE self.do_close = False elif self.state == DoorState.Present: tx = DoorHandler.CMD_PRESENT elif self.state == DoorState.Open: tx = DoorHandler.CMD_OPEN else: continue self.serial.write(tx) self.serial.flush() def open(self): if self.state == DoorState.Open: return LogicResponse.AlreadyActive self.state = DoorState.Open start_hook('post_unlock') return LogicResponse.Success def present(self): if self.state == DoorState.Present: return LogicResponse.AlreadyActive self.state = DoorState.Present start_hook('post_present') return LogicResponse.Success def close(self): if self.state == DoorState.Closed: return LogicResponse.AlreadyActive self.do_close = True self.state = DoorState.Closed start_hook('post_lock') return LogicResponse.Success def request(self, state): if state == DoorState.Closed: err = self.close() elif state == DoorState.Present: err = self.present() elif state == DoorState.Open: err = self.open() emit_doorstate() class Logic: def __init__(self, cfg): self.auth = Authenticator(cfg) self.door_handler = DoorHandler(cfg) def _request(self, state, credentials): err = self.auth.try_auth(credentials) if err != AuthenticationResult.Success: return err return self.door_handler.request(state) def request(self, state, credentials): old_state = self.door_handler.state err = self._request(state, credentials) if err == LogicResponse.Success or err == LogicResponse.AlreadyActive: sound_helper(old_state, self.door_handler.state, False) return err @property def state(self): return self.door_handler.state if __name__ == '__main__': logging.basicConfig(level=log_level, stream=sys.stdout, format=log_fmt, datefmt=date_fmt) log.info('Starting doorlockd') logic = Logic(cfg) webapp_run(cfg, logic, __status__, __version__, template_folder, static_folder) sys.exit(0)