168 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			168 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
#! /usr/bin/python
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import os
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import stat
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import time
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import pifacedigitalio
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import requests
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import signal
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import sys
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import grp
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from ConfigParser import SafeConfigParser
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#Read config
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parser = SafeConfigParser()
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parser.read('/etc/foodoord.conf')
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doorapi = parser.get('doorstatus', 'status_url')
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consumerkey = parser.get('doorstatus', 'key')
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consumersecret = parser.get('doorstatus', 'secret')
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#Definitions for output
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LED_RED=6
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LED_GREEN=7
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RELAYS_LOCK=0
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RELAYS_UNLOCK=1
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#Definitions for input
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DOOR_BELL=0
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REED_RELAYS=1 #not implementet yet 
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#Definitions for LEDcolor
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RED=1
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GREEN=2
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ORANGE=3
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if __name__ == "__main__":
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	def doorbell(event):
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		if (STATUS):
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			pifacedigital.relays[RELAYS_UNLOCK].toggle()
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			time.sleep(1.5)
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			pifacedigital.relays[RELAYS_UNLOCK].toggle()
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	def close_button(event):
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		global STATUS 
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		STATUS = False
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		write_state("closed")
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		update_api(True)
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		set_led(RED)
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	listener = pifacedigitalio.InputEventListener()
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	listener.register(0, pifacedigitalio.IODIR_RISING_EDGE, doorbell, settle_time=10)
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	listener.register(1, pifacedigitalio.IODIR_RISING_EDGE, close_button, settle_time=5)
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	listener.activate()
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	def signal_handler(signal, frame):
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		listener.deactivate()
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		os.remove("/var/run/foodoord.pipe")
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		write_state("closed")
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		update_api(True)
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		set_led(RED)
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		sys.exit(0)
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	def set_led(color):
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		if (color==RED):
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			pifacedigital.leds[LED_RED].turn_on()
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			pifacedigital.leds[LED_GREEN].turn_off()
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		elif (color==GREEN):
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			pifacedigital.leds[LED_GREEN].turn_on()
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			pifacedigital.leds[LED_RED].turn_off()
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		elif (color==ORANGE):
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			pifacedigital.leds[LED_RED].turn_on()
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			pifacedigital.leds[LED_GREEN].turn_on()
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	pifacedigital = pifacedigitalio.PiFaceDigital()
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	signal.signal(signal.SIGTERM, signal_handler)
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	signal.signal(signal.SIGINT, signal_handler)
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	def write_state(state):
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		try:    
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    	handle = open("/tmp/door_state", "w")  
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      handle.write(state)
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   	  handle.close()
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    except:
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      pass
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	def update_api(locked):
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		#if locked:
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		#
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		#	try:
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		#		os.system("/usr/bin/mosquitto_pub -h mqtt.chaospott.de -t foobar/aerie/licht -m 'zentral-aus'")
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		#	except:
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		#		pass
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		try:
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      os.system("/usr/bin/curl -XPOST --header 'Content-Type: application/json' --data '{ \"consumer_key\": \"" + consumerkey  + "\", \"consumer_secret\": \"" + consumersecret + "\", \"aerie\": " + str(locked).lower() + " }' '" + doorapi  + "' ")
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		except:
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			pass
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	#Startsettings 
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	STATUS = False
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	pifacedigital.leds[LED_RED].turn_on()
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	#Setting up FiFo to get sshd-output
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	try:
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		os.mkfifo("/var/run/foodoord.pipe")
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		os.chown("/var/run/foodoord.pipe", -1, grp.getgrnam('foodoor')[2])
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		os.chmod("/var/run/foodoord.pipe", stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IWGRP)
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	except OSError:
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		pass
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	with open("/var/run/foodoord.pipe", "r") as ssh_input:
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		while 1:
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			#Read sshd-output from pipe 
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			Pipe = ssh_input.readline()[:-1]
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			if (Pipe == "close" and STATUS):
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				pifacedigital.relays[RELAYS_LOCK].toggle()
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				time.sleep(1)
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				pifacedigital.relays[RELAYS_LOCK].toggle()
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				STATUS = False
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				write_state("closed")
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				update_api(True)
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				try:
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					r = requests.get(url+'&door=aerie&locked=1', timeout=2)
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					#print (r.status_code)
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					r = requests.get(old_api+'&status=closed', timeout=2)
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					#print (r.status_code)
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				except:
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					pass
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				set_led(RED)
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			elif (Pipe == "open"):
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				pifacedigital.relays[RELAYS_UNLOCK].toggle()
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				time.sleep(1.5)
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				pifacedigital.relays[RELAYS_UNLOCK].toggle()
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				if (STATUS==False):
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					try:
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						r = requests.get(url+"&door=aerie&locked=0", timeout=2)
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						#print (r.status_code)
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						r = requests.get(old_api+'&status=open', timeout=2)
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						#print (r.status_code)
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					except:
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						pass
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					update_api(False)
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				write_state("open")
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				STATUS = True
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				set_led(GREEN)
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			time.sleep(0.1)
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