Reimplement doorlockd in python
Signed-off-by: Ralf Ramsauer <ralf@binary-kitchen.de>
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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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d="m 900.1875,443.75 -10.0625,0.0312 c -2.06742,0.006 -3.71875,1.65132 -3.71875,3.71875 l 0,6.25 -14.875,9.1875 C 822.66476,464.22979 769.15433,465.92087 718,467.4687 c -3.86018,0.1168 -6.954,3.13809 -6.9375,7 l 0.0312,7.3125 c -4.39379,0.1562 -8.77864,0.31969 -13.125,0.40625 0.97303,-5.55653 -0.58392,-11.07117 -3.84375,-15.125 -3.90015,-4.85012 -9.63745,-7.59553 -16.6875,-8.375 -1.77081,-0.19579 -3.69096,-0.27617 -5.65625,-0.15625 -1.96529,0.11992 -3.96613,0.45055 -5.90625,1.0625 -3.88023,1.22388 -7.73646,3.96623 -9.0625,8.53125 -1.13246,3.89857 -1.08251,8.27896 1.21875,12 2.30126,3.72104 6.66466,6.31703 12.8125,7.25 5.20014,0.78916 10.38378,1.20262 15.5625,1.375 -0.42767,0.29707 -0.71554,0.66894 -1.1875,0.9375 -3.16064,1.79846 -7.2586,2.82575 -11.21875,3 -16.17998,0.71196 -33.27007,1.52537 -49.75,0.90625 l -0.21875,6.5 c 16.86139,0.63344 34.08845,-0.19511 50.25,-0.90625 4.85233,-0.21352 9.86708,-1.40312 14.15625,-3.84375 2.80877,-1.59825 5.26565,-3.83995 7.0625,-6.625 5.2263,-0.0543 10.41482,-0.22176 15.59375,-0.40625 l 0.0312,4.875 c 0.0248,3.86187 3.07592,6.91592 6.9375,6.96875 50.79894,0.69498 105.04842,1.35105 153.5625,3.96875 l 14.875,9.125 0.0312,6.25 c 0.0103,2.06745 1.65133,3.72517 3.71875,3.71875 l 10.0625,-0.0312 c 2.06742,-0.006 3.75283,-1.65128 3.75,-3.71875 l -0.0312,-22.84375 127.21875,-0.25 c 2.4965,-0.005 4.5,-2.00347 4.5,-4.5 l 0,-4.78125 31.7188,-0.0625 c 2.1455,-0.004 8.1914,-1.72948 8.1874,-3.875 0,-2.14552 -6.0732,-3.84798 -8.2187,-3.84375 l -31.7187,0.0625 0,-4.78125 c 0,-2.49653 -2.0348,-4.50429 -4.5313,-4.5 L 904,470.3125 903.9375,447.46875 c -0.006,-2.06743 -1.68258,-3.72517 -3.75,-3.71875 z M 674.5,465.03125 c 0.76399,0.0155 1.53642,0.0461 2.25,0.125 5.62398,0.62179 9.55318,2.43804 12.375,6.0625 2.29548,2.94841 3.4456,6.73828 2.3125,10.96875 -6.61366,-0.0371 -13.17428,-0.27106 -19.625,-1.25 -4.90375,-0.74418 -7.17641,-2.43226 -8.28125,-4.21875 -1.10484,-1.78649 -1.24006,-4.12594 -0.46875,-6.78125 0.62042,-2.13582 2.1484,-3.33567 4.75,-4.15625 1.3008,-0.41029 2.83201,-0.6234 4.375,-0.71875 0.77149,-0.0477 1.54851,-0.0468 2.3125,-0.0312 z"
|
||||
transform="matrix(0.92218368,0.00169429,-0.00169429,0.92218368,-452.50678,78.944729)"
|
||||
id="path3858"
|
||||
inkscape:connector-curvature="0"
|
||||
sodipodi:nodetypes="sssccssccasssssscssccssccssccsssscsscscscsscssssacssssss" />
|
||||
</g>
|
||||
</g>
|
||||
</g>
|
||||
</svg>
|
||||
|
After Width: | Height: | Size: 8.2 KiB |
|
|
@ -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 %}
|
||||
|
|
@ -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 %}
|
||||
|
|
@ -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>
|
||||
|
|
@ -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