mirror of
https://github.com/binary-kitchen/doorlockd
synced 2024-10-31 22:47:05 +01:00
Reimplement doorlockd in python
Signed-off-by: Ralf Ramsauer <ralf@binary-kitchen.de>
This commit is contained in:
parent
020ac1b38b
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280
doorlockd-new/doorlockd.py
Executable file
280
doorlockd-new/doorlockd.py
Executable file
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#!/usr/bin/env python3
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import argparse
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import logging
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import sys
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from enum import Enum
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from threading import Thread
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from time import sleep
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from random import sample
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from serial import Serial
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from flask import Flask, render_template, request, Markup
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from flask_bootstrap import Bootstrap
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from flask_socketio import SocketIO
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from flask_wtf import FlaskForm
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from wtforms import PasswordField, StringField, SubmitField
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from wtforms.validators import DataRequired, Length
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__author__ = 'Ralf Ramsauer'
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__copyright = 'Copyright (c) Ralf Ramsauer, 2018'
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__license__ = 'GPLv2'
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__email__ = 'ralf@binary-kitchen.de'
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__status__ = 'Development'
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__maintainer__ = 'Ralf Ramsauer'
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__version__ = '0.01a'
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log_level = logging.DEBUG
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date_fmt = '%Y-%m-%d %H:%M:%S'
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log_fmt = '%(asctime)-15s %(levelname)-8s %(message)s'
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log = logging.getLogger()
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default_serial = '/dev/ttyS0'
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default_ldap_uri = 'ldaps://ldap1.binary.kitchen/ ' \
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'ldaps://ldap2.binary.kitchen/ ' \
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'ldaps://ldapm.binary.kitchen/'
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default_binddn = 'cn=%s,ou=people,dc=binary-kitchen,dc=de'
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html_title = 'Binary Kitchen Doorlock (%s - v%s)' % (__status__, __version__)
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webapp = Flask(__name__)
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webapp.config['SECRET_KEY'] = 'foobar'
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socketio = SocketIO(webapp, async_mode=None)
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Bootstrap(webapp)
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# copied from sudo
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eperm_insults = {
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'Wrong! You cheating scum!',
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'And you call yourself a Rocket Scientist!',
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'No soap, honkie-lips.',
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'Where did you learn to type?',
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'Are you on drugs?',
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'My pet ferret can type better than you!',
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'You type like i drive.',
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'Do you think like you type?',
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'Your mind just hasn\'t been the same since the electro-shock, has it?',
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'Maybe if you used more than just two fingers...',
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'BOB says: You seem to have forgotten your passwd, enter another!',
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'stty: unknown mode: doofus',
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'I can\'t hear you -- I\'m using the scrambler.',
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'The more you drive -- the dumber you get.',
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'Listen, broccoli brains, I don\'t have time to listen to this trash.',
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'I\'ve seen penguins that can type better than that.',
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'Have you considered trying to match wits with a rutabaga?',
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'You speak an infinite deal of nothing',
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}
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def choose_insult():
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return(sample(eperm_insults, 1)[0])
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class AuthMethod(Enum):
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LDAP_USER_PW = 1
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class DoorState(Enum):
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Close = 1
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Open = 2
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def to_img(self):
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led = 'red'
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if self == DoorState.Open:
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led = 'green'
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return '<img src="static/led-%s.png">' % led
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def to_html(self):
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if self == DoorState.Open:
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return 'Offen'
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return 'Zu'
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class LogicResponse(Enum):
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Success = 0
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Perm = 1
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AlreadyLocked = 2
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AlreadyOpen = 3
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Inval = 4
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LDAP = 5
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def to_html(self):
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if self == LogicResponse.Success:
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return 'Yo, passt.'
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elif self == LogicResponse.Perm:
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return choose_insult()
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elif self == LogicResponse.AlreadyLocked:
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return 'Narf. Schon zu.'
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elif self == LogicResponse.AlreadyOpen:
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return 'Schon offen, treten Sie ein!'
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elif self == LogicResponse.Inval:
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return 'Das was du willst geht nicht.'
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elif self == LogicResponse.LDAP:
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return 'Moep! Geh LDAP fixen!'
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return 'Bitte spezifizieren Sie.'
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class DoorHandler:
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state = DoorState.Close
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def __init__(self, device):
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self.serial = Serial(device, baudrate=9600, bytesize=8, parity='N',
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stopbits=1, timeout=1)
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self.thread = Thread(target=self.thread_worker)
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self.thread.start()
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def send_command(self, cmd):
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print('sending cmd %c' % cmd)
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def clear_buffer(self):
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print('clearing buffer...')
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def thread_worker(self):
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while True:
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self.clear_buffer()
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if self.state == DoorState.Open:
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self.send_command('u')
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elif self.state == DoorState.Close:
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self.send_command('l')
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sleep(1)
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def open(self):
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if self.state == DoorState.Open:
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return LogicResponse.AlreadyOpen
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self.state = DoorState.Open
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return LogicResponse.Success
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def close(self):
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if self.state == DoorState.Close:
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return LogicResponse.AlreadyLocked
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self.state = DoorState.Close
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return LogicResponse.Success
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def request(self, state):
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if state == DoorState.Close:
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return self.close()
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elif state == DoorState.Open:
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return self.open()
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class Logic:
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def __init__(self, device):
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self.door_handler = DoorHandler(device)
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def _try_auth_ldap(self, user, password):
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log.info('Trying to LDAP auth (user, password) as user %s', user)
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return LogicResponse.Success
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return LogicResponse.LDAP
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def try_auth(self, credentials):
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method = credentials[0]
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if method == AuthMethod.LDAP_USER_PW:
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return self._try_auth_ldap(credentials[1], credentials[2])
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return LogicResponse.Inval
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def _request(self, state, credentials):
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err = self.try_auth(credentials)
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if err != LogicResponse.Success:
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return err
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return self.door_handler.request(state)
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def request(self, state, credentials):
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err = self._request(state, credentials)
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return err
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@property
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def state(self):
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return self.door_handler.state
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class AuthenticationForm(FlaskForm):
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username = StringField('Username', [Length(min=4, max=25)])
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password = PasswordField('Password', [DataRequired()])
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open = SubmitField('Open')
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close = SubmitField('Close')
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def __init__(self, *args, **kwargs):
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FlaskForm.__init__(self, *args, **kwargs)
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self.desired_state = DoorState.Close
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def validate(self):
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if not FlaskForm.validate(self):
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return False
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if self.open.data:
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self.desired_state = DoorState.Open
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return True
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def emit_status(message=None):
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led = logic.state.to_img()
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if message is None:
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message = logic.state.to_html()
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else:
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message = message.to_html()
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socketio.emit('status', {'led': led, 'message': message})
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@socketio.on('connect')
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def on_connect():
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emit_status()
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@webapp.route('/display')
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def display():
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return render_template('display.html')
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@webapp.route('/', methods=['GET', 'POST'])
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def home():
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authentication_form = AuthenticationForm()
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response = None
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if request.method == 'POST' and authentication_form.validate():
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user = authentication_form.username.data
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password = authentication_form.password.data
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credentials = AuthMethod.LDAP_USER_PW, user, password
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log.info('Incoming request from %s' % user)
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desired_state = authentication_form.desired_state
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log.info(' desired state: %s' % desired_state)
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log.info(' current state: %s' % logic.state)
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response = logic.request(desired_state, credentials)
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log.info(' response: %s' % response)
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# Don't trust python, zero credentials
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user = password = credentials = None
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emit_status(response)
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return render_template('index.html',
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authentication_form=authentication_form,
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response=response,
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state_text=logic.state.to_html(),
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state_img=Markup(logic.state.to_img()),
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title=html_title)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser('doorlockd', 'Binary Kitchen doorlockd')
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parser.add_argument('-s', '--serial', default=default_serial, type=str)
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args = parser.parse_args()
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logging.basicConfig(level=log_level, stream=sys.stdout,
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format=log_fmt, datefmt=date_fmt)
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log.info('Starting doorlockd')
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log.info('Using serial port: %s' % args.serial)
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logic = Logic(args.serial)
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socketio.run(webapp, port=8080)
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sys.exit(0)
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BIN
doorlockd-new/static/led-green.png
Normal file
BIN
doorlockd-new/static/led-green.png
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Binary file not shown.
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After Width: | Height: | Size: 12 KiB |
BIN
doorlockd-new/static/led-red.png
Normal file
BIN
doorlockd-new/static/led-red.png
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Binary file not shown.
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After Width: | Height: | Size: 12 KiB |
81
doorlockd-new/static/logo.svg
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81
doorlockd-new/static/logo.svg
Normal file
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<path
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</g>
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</g>
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</svg>
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|
After Width: | Height: | Size: 8.2 KiB |
25
doorlockd-new/templates/display.html
Normal file
25
doorlockd-new/templates/display.html
Normal file
@ -0,0 +1,25 @@
|
|||||||
|
{% extends "layout.html" %}
|
||||||
|
|
||||||
|
{% block scripts %}
|
||||||
|
{{ super() }}
|
||||||
|
<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/1.3.5/socket.io.min.js"></script>
|
||||||
|
<script type="text/javascript" charset="utf-8">
|
||||||
|
$(document).ready(function() {
|
||||||
|
var socket = io.connect(location.protocol + '//' + document.domain + ':' + location.port)
|
||||||
|
socket.on('connect', function() {
|
||||||
|
socket.emit('connected');
|
||||||
|
});
|
||||||
|
socket.on('status', function(status) {
|
||||||
|
$('#led').html(status.led)
|
||||||
|
$('#message').html(status.message)
|
||||||
|
});
|
||||||
|
});
|
||||||
|
</script>
|
||||||
|
{% endblock %}
|
||||||
|
|
||||||
|
{% block content %}
|
||||||
|
<h1>Willkommen in der Binary Kitchen!</h1>
|
||||||
|
<div id="led"></div>
|
||||||
|
<div id="message"></div>
|
||||||
|
{{ super() }}
|
||||||
|
{% endblock %}
|
||||||
12
doorlockd-new/templates/formhelpers.html
Normal file
12
doorlockd-new/templates/formhelpers.html
Normal file
@ -0,0 +1,12 @@
|
|||||||
|
{% macro render_field(field) %}
|
||||||
|
<dt>{{ field.label }}
|
||||||
|
<dd>{{ field(**kwargs)|safe }}
|
||||||
|
{% if field.errors %}
|
||||||
|
<ul class=errors>
|
||||||
|
{% for error in field.errors %}
|
||||||
|
<li>{{ error }}</li>
|
||||||
|
{% endfor %}
|
||||||
|
</ul>
|
||||||
|
{% endif %}
|
||||||
|
</dd>
|
||||||
|
{% endmacro %}
|
||||||
55
doorlockd-new/templates/index.html
Normal file
55
doorlockd-new/templates/index.html
Normal file
@ -0,0 +1,55 @@
|
|||||||
|
{% from "formhelpers.html" import render_field %}
|
||||||
|
<!DOCTYPE html>
|
||||||
|
<html>
|
||||||
|
<head>
|
||||||
|
<title>{{ title }}</title>
|
||||||
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
|
||||||
|
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
|
||||||
|
</head>
|
||||||
|
|
||||||
|
<body>
|
||||||
|
<style>
|
||||||
|
* {
|
||||||
|
font: normal 30px Arial,sans-serif;
|
||||||
|
}
|
||||||
|
body {
|
||||||
|
background-color: #037;
|
||||||
|
color: white;
|
||||||
|
background-image: url('static/logo.svg');
|
||||||
|
background-repeat: repeat;
|
||||||
|
background-size: 100%;
|
||||||
|
background-position: -0px -0px;
|
||||||
|
}
|
||||||
|
form {
|
||||||
|
position: relative;
|
||||||
|
display: block;
|
||||||
|
width: auto;
|
||||||
|
text-align: center;
|
||||||
|
}
|
||||||
|
input {
|
||||||
|
position: relative;
|
||||||
|
display: block;
|
||||||
|
width: auto;
|
||||||
|
width: 100%;
|
||||||
|
}
|
||||||
|
button {
|
||||||
|
width: 100%;
|
||||||
|
margin-top: 40px;
|
||||||
|
}
|
||||||
|
</style>
|
||||||
|
<form name="login" method="POST" action="{{ url_for('home') }}">
|
||||||
|
{{ render_field(authentication_form.username) }}
|
||||||
|
{{ render_field(authentication_form.password) }}
|
||||||
|
{{ render_field(authentication_form.open) }}
|
||||||
|
{{ render_field(authentication_form.close) }}
|
||||||
|
{{ authentication_form.csrf_token }}
|
||||||
|
</form>
|
||||||
|
{% if response %}
|
||||||
|
<hr/>
|
||||||
|
<h1>{{ response.to_html() }}</h1>
|
||||||
|
{% endif %}
|
||||||
|
<hr/>
|
||||||
|
Die Kitchen ist: {{ state_text }}
|
||||||
|
{{ state_img }}
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
11
doorlockd-new/templates/layout.html
Normal file
11
doorlockd-new/templates/layout.html
Normal file
@ -0,0 +1,11 @@
|
|||||||
|
{%extends "bootstrap/base.html" %}
|
||||||
|
|
||||||
|
{% block title %}{{ title }}{% endblock %}
|
||||||
|
|
||||||
|
{%- block content %}
|
||||||
|
{{super()}}
|
||||||
|
{%- block footer %}
|
||||||
|
<br><br><br>
|
||||||
|
<footer>Ralf Ramsauer © 2018 Binary Kitchen e.V.</footer>
|
||||||
|
{%- endblock footer %}
|
||||||
|
{%- endblock content %}
|
||||||
Loading…
Reference in New Issue
Block a user