Fix update-keydb

README.md

@@ -18,7 +18,7 @@ Falls `/etc/foodoord.conf` nicht vorhanden ist:
 
 ### Dateiliste
 
-Der Deamon besteht aus folgenden Dateien.
+Der Daemon besteht aus folgenden Dateien.
 
 * foodoor
 * foodoord
@@ -31,9 +31,9 @@ Zusätzlich sollte für das git-repo eine Config angelegt werden:
 /root/.ssh/config
 ```
 Host git.chaospott.de
-  User git
-  Port 2222
-  IdentityFile ~/.ssh/id_chaospott
+    User git
+    Port 2222
+    IdentityFile ~/.ssh/id_chaospott
 ```
 
 Das IdentityFile ist der Deploy-SSH-Key, der im [Repo](https://git.chaospott.de/Chaospott/foodoor-keys) hinterlegt ist.
@@ -44,7 +44,7 @@ Das IdentityFile ist der Deploy-SSH-Key, der im [Repo](https://git.chaospott.de/
 ### Schlüsselupdate
 
 `foodoor-update-keydb`
-Aktualisiert die die Schlüssel auf der Tür und baut die *Authorized_Keys* für die User *open* und *close*. Keys die nicht dem OpenSSH-Format mit 4096 bit entsprechen, werden ignoriert. Wenn das Script von Hand aufgerufen wird, werden die betroffenen Keys angezeigt. Über einen Cronjob werden die Keys alle **5 Min aktualisiert**.
+Aktualisiert die Schlüssel auf der Tür und baut die *Authorized_Keys* für die User *open* und *close*. Keys die nicht dem OpenSSH-Format mit 4096 bit entsprechen, werden ignoriert. Wenn das Script von Hand aufgerufen wird, werden die betroffenen Keys angezeigt. Über einen Cronjob werden die Keys alle **5 Min aktualisiert**.
 
 ### Schlüsselformate
 
@@ -56,30 +56,30 @@ Der foodoord akzeptiert nur Pub-Keys im *OpenSSH2-Format*. Keys lassen sich unte
 
 * Mit `ssh-keygen -b 4096` lassen sich Keys generieren.
 * `ssh-add $Pfad_zum_Key` fügt den Key dem ssh-Agent hinzu. Die Option `ssh-add -l` zeigt geladene Keys an.
-* `ssh-kegen -l -f $Pfad_zum_Key ` gibt den Fingerprint und andere Informationen zurück.
+* `ssh-kegen -l -f $Pfad_zum_Key` gibt den Fingerprint und andere Informationen zurück.
 
 
-####Keys konvertieren(PuTTy>OpenSSH):####
+#### Keys konvertieren (PuTTy > OpenSSH):
 
-* `ssh-keygen -i $Pfad_zum_Key > $Pfad_neuer_Pfad.pub<` liest ssh2-kompatible Keys(RFC 4716) ein und speichert diese im OpenSSH-Format.
+* `ssh-keygen -i $Pfad_zum_Key > $Pfad_neuer_Pfad.pub<` liest ssh2-kompatible Keys (RFC 4716) ein und speichert diese im OpenSSH-Format.
 
 
-###PuTTy###
+### PuTTy
 
 Da die Tür nur Keys im OpenSSH-Format verträgt, dürfen auch mit Putty nur OpenSSH-Keys genutzt werden.
 
-###Keys generieren (OpenSSH-Format mit PuttyGen):###
+#### Keys generieren (OpenSSH-Format mit PuttyGen):
 
 1. PuTTYgen öffnen
 2. Unten "Number of Bits in a generated Key:" 4096 eintippen
 3. "Generate" klicken um Key zu generieren
-4. Nach dem generieren oben im Menu "Conversions" > "Export OpenSSH-Key"
+4. Nach dem Generieren oben im Menu "Conversions" > "Export OpenSSH-Key"
 5. Speichern
 
 Es ist zu beachten, dass Putty den PrivateKey im Putty-Format benötigt! Das heißt, falls der generierte Key vor dem Export nicht gespeichert wurde, muss der private Key noch konvertiert werden, siehe nächster Punkt!
 
 
-###Keys konvertieren(OpenSSH>PuTTy):###
+#### Keys konvertieren (OpenSSH > PuTTy):
 
 1. PuTTYgen öffnen
 2. "Load" drücken
@@ -88,8 +88,7 @@ Es ist zu beachten, dass Putty den PrivateKey im Putty-Format benötigt! Das hei
 5. Speichern
 
 
-
-##Hardware
+## Hardware
 
 ### Input:
 
@@ -97,7 +96,6 @@ Es ist zu beachten, dass Putty den PrivateKey im Putty-Format benötigt! Das hei
 * Klingel
 * Statustaster
 
-
 ### Output:
 
 * Status LEDs

build-package

@@ -1,3 +1,3 @@
 #!/bin/bash
-VERSION=3.0.4
-dpkg-deb --root-owner-group -b debian foodoord_${VERSION}_all.deb 
+VERSION=$(grep -oP '(?<=Version: ).*$' debian/DEBIAN/control)
+dpkg-deb --root-owner-group -b debian "foodoord_${VERSION}_all.deb"

debian/DEBIAN/control

@@ -1,6 +1,6 @@
 Package: foodoord
-Version: 3.0.4
-Maintainer: Bandie <bandie@chaospott.de>
+Version: 3.3.3
+Maintainer: Tobi <tobi@chaospott.de>
 Architecture: all
 Description: Control the doors of the club, ja!
 Depends: dash, git, python3, pip, tmux

debian/DEBIAN/postinst

@@ -1,4 +1,5 @@
 #!/bin/bash
+
 echo "Creating group and users.."
 groupadd foodoor
 useradd -M -d /var/lib/foodoor/close -G foodoor -s /bin/sh close
@@ -7,8 +8,8 @@ useradd -M -d /var/lib/foodoor/door -G foodoor -s /bin/sh door
 
 echo "Chown homes"
 for u in close open door; do
-  groupadd ${u}
-  chown ${u}:${u} /var/lib/foodoor/${u}
+    groupadd ${u}
+    chown ${u}:${u} /var/lib/foodoor/${u}
 done
 
 echo "Chmod foodoor"
@@ -20,16 +21,17 @@ chown root:foodoor /state
 chmod 664 /state
 
 echo "##################"
-while [ "$prompt" != "oben" -a "$prompt" != "unten" ]; do
- read -p "Sind wir oben oder unten? (oben, unten): " prompt
+while [ "$prompt" != "oben" ] && [ "$prompt" != "unten" ]; do
+    read -r -p "Sind wir oben oder unten? (oben, unten): " prompt
 done
 echo "##################"
 
-echo "Installing dependencies via pip: pifacecommon pifacedigitalio"
-pip install pifacecommon pifacedigitalio
+PIP_DEP=(pifacecommon pifacedigitalio paho-mqtt)
+echo "Installing dependencies via pip: ${PIP_DEP[*]}"
+pip install "${PIP_DEP[@]}"
 
 echo "Enabling and starting systemd-Services"
 systemctl daemon-reload
-systemctl enable foodoord@$prompt
-systemctl restart foodoord@$prompt
-systemctl status foodoord@$prompt
+systemctl enable "foodoord@$prompt"
+systemctl restart "foodoord@$prompt"
+systemctl status "foodoord@$prompt"

debian/etc/foodoord.conf_example

@@ -2,3 +2,8 @@
 status_url =
 key =
 secret =
+
+[doorstatusv2]
+status_url =
+key =
+secret =

debian/etc/systemd/system/foodoord@.service

@@ -9,7 +9,5 @@ ExecStart=/usr/sbin/foodoord_%i
 Restart=on-failure
 RestartSec=5s
 
-
 [Install]
 WantedBy=multi-user.target
-

debian/usr/sbin/foodoor

@@ -1,37 +1,34 @@
 #!/bin/sh
+
 set -e
 
 PIPE_PATH=/var/run/foodoord.pipe
 
-if [ ! -e $PIPE_PATH ]
- then
-  echo "Pipe missing. Check daemon status."
- exit 1
+if [ ! -e $PIPE_PATH ]; then
+    echo "Pipe missing. Check daemon status."
+    exit 1
 fi
 
-action="$1"
-isTriggerActivated="0"
+action=$1
+isTriggerActivated=0
 
-if [ -z "$action" ]
- then
-  action="$SSH_ORIGINAL_COMMAND"
-  isTriggerActivated="1"
+if [ -z "$action" ]; then
+    action=$SSH_ORIGINAL_COMMAND
+    isTriggerActivated=1
 fi
 
 case $action in
-  close|open)
-    echo $action | tee $PIPE_PATH |sed 's/open/UNLOCKED/;s/close/LOCKED/' >  /state
-   ;;
-  status)
-   ;;
-  *)
-    echo "Usage: $(basename $0) { close, open, status }"
+close | open)
+    echo "$action" | tee "$PIPE_PATH" | sed 's/open/UNLOCKED/;s/close/LOCKED/' > /state
+    ;;
+status) ;;
+*)
+    echo "Usage: $(basename "$0") { close, open, status }"
     exit 1
-  ;;
+    ;;
 esac
 
-if [ $isTriggerActivated -eq 1 ]
-then
-	cat /state
-	sleep 2
+if [ $isTriggerActivated -eq 1 ]; then
+    cat /state
+    sleep 2
 fi

debian/usr/sbin/foodoor-update-keydb

@@ -1,63 +1,54 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -e
 
 export PATH="/usr/bin:/bin:/usr/sbin:/sbin"
 
 dest=/var/run/foodoor-keys
-temp_outfile="$dest.tmp"
+temp_outfile=$dest.tmp
 
-
-if [ ! -e "${dest}/.git/config" ]
-then
-  #echo "Repo does not exist, trying to clone..."
-  ( cd /var/run && git clone --quiet --single-branch --depth=1 ssh://git.chaospott.de/Keyverwaltung/foodoor-keys.git "${dest}" )
+if [ ! -e "$dest/.git/config" ]; then
+    #echo "Repo does not exist, trying to clone..."
+    git clone --quiet --single-branch --depth=1 ssh://git.chaospott.de/Keyverwaltung/foodoor-keys.git "$dest"
 else
-  #echo "Repo exists, updating..."
-  ( cd "${dest}" && git fetch --quiet && git merge --quiet origin/master master )
+    #echo "Repo exists, updating..."
+    git -C "$dest" fetch --quiet && git -C "$dest" merge --quiet origin/master master
 fi
 
-rm -f ${temp_outfile}
-  find "${dest}/keys" -name '*.pub' | sort | \
-    while read keyfile
-    do
-      ssh-keygen -l -f ${keyfile} &> /dev/null
-      if [ $? -eq 0 ]; then
-        valid=false
-        keyinfo=$(ssh-keygen -l -f ${keyfile}) # The whole key information
-        crypto=$(echo "${keyinfo}" | sed 's/.*(\(.*\))/\1/') # Looks like "RSA" or "ED25519"
-        key_length=$(echo "${keyinfo}" | cut -d" " -f1) 
+rm -f "$temp_outfile"
+find "$dest/keys" -type f -name '*.pub' | sort |
+    while read -r keyfile; do
+        if ssh-keygen -l -f "$keyfile" &> /dev/null; then
+            keyinfo=$(ssh-keygen -l -f "$keyfile")             # The whole key information
+            crypto=$(echo "$keyinfo" | sed 's/.*(\(.*\))/\1/') # Looks like "RSA" or "ED25519"
+            key_length=$(echo "$keyinfo" | cut -d" " -f1)
 
-        if [ "${crypto}" == "RSA" ]; then
+            if [ "$crypto" == "RSA" ]; then
+                if [ "$key_length" -lt 4096 ]; then
+                    echo "Key size of key $keyfile less than 4096. Not adding it to key database." >&2
+                    continue
+                fi
+                # valid
+            elif [ "$crypto" == "ED25519" ]; then
+                : # valid
+            else
+                continue
+            fi
 
-          if [ ${key_length} -lt 4096 ]; then
-            echo "Key size of key ${keyfile} not equal to 4096. Not adding it to key database." >&2
-            continue
-          else
-            valid=true
-          fi
-
-        elif [ "${crypto}" == "ED25519" ]; then
-          valid=true
+            echo "command=\"/usr/sbin/foodoor \$action \",no-port-forwarding,no-X11-forwarding,no-agent-forwarding $(sed 's/\r//g' "$keyfile") $keyfile" >> $temp_outfile
         fi
-
-        if [ "$valid" = true ]; then
-          echo "command=\"/usr/sbin/foodoor \$action \",no-port-forwarding,no-X11-forwarding,no-agent-forwarding $(cat ${keyfile} | sed 's/\r//g') ${keyfile}" >> ${temp_outfile}
-        fi
-      fi
     done
 
-for appendix in open close door
-do
-    action="$appendix"
+for appendix in open close door; do
+    action=$appendix
     if [ "$appendix" = "door" ]; then
-      action=""
+        action=""
     fi
     export action
 
-    outfile="${dest}/authorized_keys.${appendix}"
-    cat ${temp_outfile} |envsubst > ${outfile}
+    outfile=$dest/authorized_keys.$appendix
+    envsubst < "$temp_outfile" > "$outfile"
 
     # Oben und unten
-    install -d -o ${appendix} -g nogroup -m 0700 /var/lib/foodoor/${appendix}/.ssh
-    install -b -S .last -o ${appendix} -g nogroup -m 0600 ${outfile} /var/lib/foodoor/${appendix}/.ssh/authorized_keys
+    install -d -o "$appendix" -g nogroup -m 0700 "/var/lib/foodoor/$appendix/.ssh"
+    install -b -S .last -o "$appendix" -g nogroup -m 0600 "$outfile" "/var/lib/foodoor/$appendix/.ssh/authorized_keys"
 done

debian/usr/sbin/foodoord_oben

@@ -1,143 +1,205 @@
 #!/usr/bin/env python3
 # vim: ts=2 sw=2 et
 
-import os
-import stat
-import time
-import pifacedigitalio
-import signal
-import sys
 import grp
+import json
+import os
+import signal
+import stat
+import subprocess
+import sys
+import threading
+import time
 from configparser import ConfigParser
+from dataclasses import dataclass
 
-#Read config
+import paho.mqtt.client as mqtt
+import pifacedigitalio
+
+
+class FoodoorMQTT:
+    def __init__(self, area):
+        self.area = area
+        self.client = mqtt.Client()
+        self.client.on_connect = self.on_connect
+        self.client.on_message = self.on_message
+
+        self._last_state = None
+        self._connect_lock = threading.Condition()
+
+    def connect(self):
+        try:
+            self.client.connect("mqtt.chaospott.de")
+            self.client.loop_start()
+            with self._connect_lock:
+                self._connect_lock.wait()
+        except Exception as e:
+            print(f"Verbindungsfehler zu MQTT-Server: {e}")
+
+    def disconnect(self):
+        self.client.loop_stop()
+
+    def on_connect(self, client, userdata, flags, rc):
+        if self._last_state is not None:
+            self.send_state(self._last_state)
+        with self._connect_lock:
+            self._connect_lock.notify()
+
+    def on_message(self, client, userdata, msg):
+        print(f"MQTT-Server Message: {msg.topic} {msg.payload}")
+
+    def send_state(self, locked: bool):
+        self._last_state = locked
+        self.client.publish(f"foobar/{self.area}/foodoor/status", {
+            False: "open",
+            True: "closed",
+        }[locked], qos=0, retain=True)
+
+
+# Read config
 parser = ConfigParser()
 parser.read('/etc/foodoord.conf')
 
-doorapi = parser.get('doorstatus', 'status_url')
-consumerkey = parser.get('doorstatus', 'key')
-consumersecret = parser.get('doorstatus', 'secret')
+
+@dataclass
+class API:
+    location: str
+    api_url: str
+    consumer_key: str
+    consumer_secret: str
+
+    def update_state(self, locked):
+        subprocess.check_call([
+            "/usr/bin/curl", "-XPOST",
+            "--header", "Content-Type: application/json",
+            "--data",
+            json.dumps({"consumer_key": self.consumer_key, "consumer_secret": self.consumer_secret, self.location: locked}),
+            self.api_url
+        ])
 
 
-#Definitions for output
-LED_RED=6
-LED_GREEN=7
-RELAYS_LOCK=0
-RELAYS_UNLOCK=1
-
-#Definitions for input
-DOOR_BELL=0
-REED_RELAYS=1 #not implementet yet 
-
-#Definitions for LEDcolor
-RED=1
-GREEN=2
-ORANGE=3
+APIv1 = API("aerie",
+    parser.get('doorstatus', 'status_url'),
+    parser.get('doorstatus', 'key'),
+    parser.get('doorstatus', 'secret'),
+)
+APIv2 = API("aerie",
+    parser.get('doorstatusv2', 'status_url'),
+    parser.get('doorstatusv2', 'key'),
+    parser.get('doorstatusv2', 'secret'),
+)
 
 
-def update_api(locked):
-    try:
-        os.system("/usr/bin/curl -XPOST --header 'Content-Type: application/json' --data '{ \"consumer_key\": \"" + consumerkey  + "\", \"consumer_secret\": \"" + consumersecret + "\", \"aerie\": " + str(locked).lower() + " }' '" + doorapi  + "' ")
-    except:
-        pass
+class Foodoord:
+    # Definitions for LED color
+    RED = 0b1
+    GREEN = 0b10
+    ORANGE = RED | GREEN
+
+    # Definitions for output
+    LEDS = {
+        RED: 6,
+        GREEN: 7,
+    }
+    RELAYS_LOCK = 0
+    RELAYS_UNLOCK = 1
+
+    # Definitions for input
+    DOOR_BELL = 0
+    CLOSE_BUTTON = 1
+
+    def __init__(self):
+        self.status_open = False
+        self.mqtt = FoodoorMQTT("oben")
+
+        self.pifacedigital = pifacedigitalio.PiFaceDigital()
+        self.listener = pifacedigitalio.InputEventListener()
+        self.listener.register(self.DOOR_BELL, pifacedigitalio.IODIR_RISING_EDGE, self.doorbell, settle_time=10)
+        self.listener.register(self.CLOSE_BUTTON, pifacedigitalio.IODIR_RISING_EDGE, self.close_button, settle_time=5)
+
+    def signal_handler(self, _signal, _frame):
+        self.listener.deactivate()
+        os.remove("/var/run/foodoord.pipe")
+
+        self.update_api(True)
+        self.set_led(self.RED)
+        sys.exit(0)
+
+    def update_api(self, locked):
+        try:
+            self.mqtt.send_state(locked)
+        except:
+            pass
+        try:
+            APIv1.update_state(locked)
+        except:
+            pass
+        try:
+            APIv2.update_state(locked)
+        except:
+            pass
+
+    def set_led(self, color):
+        for led, gpio in self.LEDS.items():
+            if color & led:
+                self.pifacedigital.leds[gpio].turn_on()
+            else:
+                self.pifacedigital.leds[gpio].turn_off()
+
+    def doorbell(self, event):
+        if self.status_open:
+            self.pifacedigital.relays[self.RELAYS_UNLOCK].toggle()
+            time.sleep(2)
+            self.pifacedigital.relays[self.RELAYS_UNLOCK].toggle()
+
+    def close_button(self, _event):
+        self.status_open = False
+        self.update_api(True)
+        self.set_led(self.RED)
+
+    def main(self):
+        self.mqtt.connect()
+        self.listener.activate()
+
+        signal.signal(signal.SIGTERM, self.signal_handler)
+
+        # Start settings
+        self.set_led(self.RED)
+
+        # Setting up FiFo to get sshd-output
+        try:
+            os.mkfifo("/var/run/foodoord.pipe")
+            os.chown("/var/run/foodoord.pipe", -1, grp.getgrnam('foodoor')[2])
+            os.chmod("/var/run/foodoord.pipe", stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IWGRP)
+        except OSError:
+            pass
+
+        ssh_input = open("/var/run/foodoord.pipe", "r")
+        while True:
+            # Read sshd-output from pipe
+            pipe_cmd = ssh_input.readline().strip()
+
+            if pipe_cmd == "close" and self.status_open:
+                self.pifacedigital.relays[self.RELAYS_LOCK].toggle()
+                time.sleep(1)
+                self.pifacedigital.relays[self.RELAYS_LOCK].toggle()
+
+                self.status_open = False
+                self.update_api(True)
+                self.set_led(self.RED)
+
+            elif pipe_cmd == "open":
+                self.pifacedigital.relays[self.RELAYS_UNLOCK].toggle()
+                time.sleep(2)
+                self.pifacedigital.relays[self.RELAYS_UNLOCK].toggle()
+
+                if not self.status_open:
+                    self.update_api(False)
+                self.status_open = True
+                self.set_led(self.GREEN)
+
+            time.sleep(0.1)
 
 
 if __name__ == "__main__":
-
-  def doorbell(event):
-    if (STATUS):
-      pifacedigital.relays[RELAYS_UNLOCK].toggle()
-      time.sleep(2)
-      pifacedigital.relays[RELAYS_UNLOCK].toggle()
-      #print 'got doorbell'
-
-  def close_button(event):
-    global STATUS
-    STATUS = False
-    try:
-      update_api(True)
-    except:
-      pass
-
-    set_led(RED)
-
-
-  listener = pifacedigitalio.InputEventListener()
-  listener.register(0, pifacedigitalio.IODIR_RISING_EDGE, doorbell, settle_time=10)
-  listener.register(1, pifacedigitalio.IODIR_RISING_EDGE, close_button, settle_time=5)
-  listener.activate()
-
-  def signal_handler(signal, frame):
-    listener.deactivate()
-    os.remove("/var/run/foodoord.pipe")
-
-    try:
-      update_api(True)
-    except:
-      pass
-
-    set_led(RED)
-    sys.exit(0)
-
-  def set_led(color):
-    if (color==RED):
-      pifacedigital.leds[LED_RED].turn_on()
-      pifacedigital.leds[LED_GREEN].turn_off()
-
-    elif (color==GREEN):
-      pifacedigital.leds[LED_GREEN].turn_on()
-      pifacedigital.leds[LED_RED].turn_off()
-
-    elif (color==ORANGE):
-      pifacedigital.leds[LED_RED].turn_on()
-      pifacedigital.leds[LED_GREEN].turn_on()
-
-  pifacedigital = pifacedigitalio.PiFaceDigital()
-  signal.signal(signal.SIGTERM, signal_handler)
-
-  #Startsettings
-  STATUS = False
-  pifacedigital.leds[LED_RED].turn_on()
-
-  #Setting up FiFo to get sshd-output
-  try:
-    os.mkfifo("/var/run/foodoord.pipe")
-    os.chown("/var/run/foodoord.pipe", -1, grp.getgrnam('foodoor')[2])
-    os.chmod("/var/run/foodoord.pipe", stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IWGRP)
-  except OSError:
-    pass
-
-  with open("/var/run/foodoord.pipe", "r") as ssh_input:
-    while 1:
-      #Read sshd-output from pipe
-      Pipe = ssh_input.readline()[:-1]
-
-      if (Pipe == "close" and STATUS):
-        pifacedigital.relays[RELAYS_LOCK].toggle()
-        time.sleep(1)
-        pifacedigital.relays[RELAYS_LOCK].toggle()
-        STATUS = False
-
-        try:
-          update_api(True)
-        except:
-          pass
-
-        set_led(RED)
-
-      elif (Pipe == "open"):
-        pifacedigital.relays[RELAYS_UNLOCK].toggle()
-        time.sleep(2)
-        pifacedigital.relays[RELAYS_UNLOCK].toggle()
-
-        if (STATUS==False):
-
-          try:
-            update_api(False)
-          except:
-            pass
-
-        STATUS = True
-
-        set_led(GREEN)
-      time.sleep(0.1)
+    Foodoord().main()

debian/usr/sbin/foodoord_unten

@@ -1,97 +1,161 @@
-#! /usr/bin/python3
+#!/usr/bin/env python3
 # vim: ts=2 sw=2 et
 
+import grp
+import json
 import os
 import stat
+import subprocess
+import threading
 import time
-import signal
-import sys
-import RPi.GPIO as gpio
-import grp
 from configparser import ConfigParser
+from dataclasses import dataclass
 
-#Read config
+import RPi.GPIO as gpio
+import paho.mqtt.client as mqtt
+
+
+class FoodoorMQTT:
+    def __init__(self, area):
+        self.area = area
+        self.client = mqtt.Client()
+        self.client.on_connect = self.on_connect
+        self.client.on_message = self.on_message
+
+        self._last_state = None
+        self._connect_lock = threading.Condition()
+
+    def connect(self):
+        try:
+            self.client.connect("mqtt.chaospott.de")
+            self.client.loop_start()
+            with self._connect_lock:
+                self._connect_lock.wait()
+        except Exception as e:
+            print(f"Verbindungsfehler zu MQTT-Server: {e}")
+
+    def disconnect(self):
+        self.client.loop_stop()
+
+    def on_connect(self, client, userdata, flags, rc):
+        if self._last_state is not None:
+            self.send_state(self._last_state)
+        with self._connect_lock:
+            self._connect_lock.notify()
+
+    def on_message(self, client, userdata, msg):
+        print(f"MQTT-Server Message: {msg.topic} {msg.payload}")
+
+    def send_state(self, locked: bool):
+        self._last_state = locked
+        self.client.publish(f"foobar/{self.area}/foodoor/status", {
+            False: "open",
+            True: "closed",
+        }[locked], qos=0, retain=True)
+
+
+# Definitions for output
+PIN_OPEN = 24
+PIN_CLOSE = 27
+
+# Read config
 parser = ConfigParser()
 parser.read('/etc/foodoord.conf')
 
-doorapi = parser.get('doorstatus', 'status_url')
-consumerkey = parser.get('doorstatus', 'key')
-consumersecret = parser.get('doorstatus', 'secret')
 
-#Definitions for output
-LED_RED=6
-LED_GREEN=7
-RELAYS_LOCK=0
-RELAYS_UNLOCK=1
-PIN_OPEN=24
-PIN_CLOSE=27
-#Definitions for input
-DOOR_BELL=0
-REED_RELAYS=1 #not implementet yet
+@dataclass
+class API:
+    location: str
+    api_url: str
+    consumer_key: str
+    consumer_secret: str
 
-#Definitions for LEDcolor
-RED=1
-GREEN=2
-ORANGE=3
+    def update_state(self, locked):
+        subprocess.check_call([
+            "/usr/bin/curl", "-XPOST",
+            "--header", "Content-Type: application/json",
+            "--data",
+            json.dumps({"consumer_key": self.consumer_key, "consumer_secret": self.consumer_secret, self.location: locked}),
+            self.api_url
+        ])
 
 
+MQTT = FoodoorMQTT("unten")
+APIv1 = API("cellar",
+    parser.get('doorstatus', 'status_url'),
+    parser.get('doorstatus', 'key'),
+    parser.get('doorstatus', 'secret'),
+)
+APIv2 = API("cellar",
+    parser.get('doorstatusv2', 'status_url'),
+    parser.get('doorstatusv2', 'key'),
+    parser.get('doorstatusv2', 'secret'),
+)
+
 
 def write_state(state):
-  try:
-    handle = open("/tmp/door_state", "w")
-    handle.write(state)
-    handle.close()
-  except:
-    pass
+    try:
+        with open("/tmp/door_state", "w") as f:
+            f.write(state)
+    except:
+        pass
 
 
 def update_api(locked):
-  try:
-    os.system("/usr/bin/curl -XPOST --header 'Content-Type: application/json' --data '{ \"consumer_key\": \"" + consumerkey  + "\", \"consumer_secret\": \"" + consumersecret + "\", \"cellar\": " + str(locked).lower() + " }' '" + doorapi  + "' ")
-  except:
-    pass
+    try:
+        MQTT.send_state(locked)
+    except:
+        pass
+    try:
+        APIv1.update_state(locked)
+    except:
+        pass
+    try:
+        APIv2.update_state(locked)
+    except:
+        pass
+
+
+def main():
+    # Start settings
+    gpio.setmode(gpio.BCM)
+    gpio.setup(PIN_OPEN, gpio.OUT)
+    gpio.setup(PIN_CLOSE, gpio.OUT)
+
+    # Setting up FiFo to get sshd-output
+    try:
+        os.mkfifo("/var/run/foodoord.pipe")
+        os.chown("/var/run/foodoord.pipe", -1, grp.getgrnam('foodoor')[2])
+        os.chmod("/var/run/foodoord.pipe", stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IWGRP)
+    except OSError:
+        pass
+
+    MQTT.connect()
+
+    ssh_input = open("/var/run/foodoord.pipe", "r")
+    while True:
+        # Read sshd output from pipe
+        pipe_cmd = ssh_input.readline().strip()
+
+        if pipe_cmd == "close":
+            gpio.output(PIN_CLOSE, 1)
+            time.sleep(1)
+            gpio.output(PIN_CLOSE, 0)
+
+            write_state("closed")
+            update_api(True)
+
+        elif pipe_cmd == "open":
+            # Locking
+            gpio.output(PIN_OPEN, 1)
+            time.sleep(1)
+            gpio.output(PIN_OPEN, 0)
+
+            write_state("open")  # Save State
+            update_api(False)  # Status Update
+
+        time.sleep(0.2)
+
 
 if __name__ == "__main__":
-    
-  #Startsettings
-  STATUS=False
-  gpio.setmode(gpio.BCM)
-  gpio.setup(PIN_OPEN, gpio.OUT)
-  gpio.setup(PIN_CLOSE, gpio.OUT)
-  #Setting up FiFo to get sshd-output
-  try:
-    os.mkfifo("/var/run/foodoord.pipe")
-    os.chown("/var/run/foodoord.pipe", -1, grp.getgrnam('foodoor')[2])
-    os.chmod("/var/run/foodoord.pipe", stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IWGRP)
-  except OSError:
-    pass
-
-  with open("/var/run/foodoord.pipe", "r") as ssh_input:
-    while 1:
-      #Read sshd-output from pipe
-      Pipe = ssh_input.readline()[:-1]
-
-      if (Pipe == "close"):
-        gpio.output(PIN_CLOSE,1)
-        time.sleep(1)
-        gpio.output(PIN_CLOSE,0)
-
-        write_state("closed")
-        update_api(True)
-
-
-      elif (Pipe == "open"):
-
-        #Locking
-        gpio.output(PIN_OPEN,1)
-        time.sleep(1)
-        gpio.output(PIN_OPEN,0)
-
-        #Save State
-        write_state("open")
-
-        #Status Update
-        update_api(False)
-                
-      time.sleep(0.2)
-
+    main()