first commit

.env-dist

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+UNIFI_HOST = 'wlan.morz.de'
+UNIFI_USERNAME = 'admin'
+UNIFI_PASSWORD = 'yourPassword'
+UNIFI_PORT = 443
+UNIFI_SSL_VERIFY = True
+UNIFI_SITE_ID = 'yourSiteID'
+WLAN_SSID = 'your WLAN-SSID'
+WLAN_PASSWORD = 'your WLAN Passwort'
+LOGO_FILE = /app/custom/logo.png
+WIFI_ICON = /app/custom/wifi-icon.png

.gitignore

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+.env
+script/__pycache__/
+

Dockerfile

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+FROM python:3.13-slim
+
+# Arbeitsverzeichnis im Container
+WORKDIR /app
+
+# Abhängigkeiten installieren
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY script/* /app/script-dist/
+COPY entrypoint.sh /app/
+RUN chmod +x /app/entrypoint.sh
+
+CMD ["sh", "/app/entrypoint.sh"]

docker-compose.yml

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+name: linuxmuster-voucher
+
+services:
+  linuxmuster-voucher:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: git.az-it.net/az/linuxmuster-voucher:latest
+    container_name: linuxmuster-voucher
+    ports:
+     - 42425:42425
+    volumes:
+      - ./script:/app/script
+        #      - ./lmn-logo.png:/app/script/static/logo.png:ro
+
+    working_dir: /app/script
+    environment:
+      - DEV=false
+      - PYTHONUNBUFFERED=1
+    env_file:
+      - .env
+    #restart: unless-stopped

entrypoint.sh

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+#!/bin/sh
+
+APPSCRIPT="/app/script/app.py"
+# App-Name ist der Name des Python-Skripts ohne die Endung .py
+APPNAME=$(basename "$APPSCRIPT" .py)
+APPDIR=$(dirname "$APPSCRIPT")
+
+if [ -f "/app/script/app.py" ]; then
+    echo "Das Verzeichnis $APPDIR existiert und enthält die Datei $APPSCRIPT --> führe das Skript aus."
+else
+    echo "Das Verzeichnis $APPDIR existiert nicht oder die Datei $APPSCRIPT fehlt. --> kopiere die Dateien aus dem Verzeichnis /app/script-dist in das Verzeichnis $APPDIR."
+    mkdir -p $APPDIR
+    cp -r /app/script-dist/* $APPDIR
+fi
+
+echo "Setze Arbeitsverzeichnis auf $APPDIR"
+cd $APPDIR
+echo "Inhalt des Verzeichnisses $APPDIR:"
+ls -l $APPDIR
+
+echo DEV=$DEV 
+if [ "${DEV:-}" = "true" ]; then
+    echo "DEBUGGING ist auf true gesetzt. Halte Container am Laufen aber starte kein gunicorn"
+    while true; do
+        echo "Schlafe 10 Minuten..."
+        sleep 600
+    done
+else
+    APP_WEBPORT=${APP_WEBPORT:-42425}
+    APP_WORKERS=${APP_WORKERS:-4}
+    echo "APP_WEBPORT ist auf $APP_WEBPORT gesetzt."
+    echo "Starte Gunicorn mit $APP_WORKERS Worker auf Port $APP_WEBPORT."
+    while true; do
+        echo "Starte gunicorn ..."
+        PYTHONPATH=$APPDIR gunicorn -w $APP_WORKERS -b 0.0.0.0:$APP_WEBPORT app:$APPNAME     
+        echo "Script wurde beendet, warte 60 Sekunden bis zum nächsten Start."
+        sleep 60
+    done
+fi

requirements.txt

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+flask
+gunicorn
+authlib
+requests
+pyunifi
+pillow
+qrcode

script/app.py

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+from pyunifi.controller import Controller
+
+import os
+from authlib.integrations.flask_client import OAuth
+from flask import Flask, jsonify, request, render_template, redirect, url_for, session, send_from_directory
+from werkzeug.middleware.proxy_fix import ProxyFix
+import uuid
+import json
+import qrcode
+import base64
+import io
+
+
+
+
+def str_to_bool(value):
+    """
+    Konvertiert einen String in einen booleschen Wert.
+    """
+    return value.lower() in ('true', '1', 'yes')
+
+UNIFI_HOST = os.getenv('UNIFI_HOST', '')
+UNIFI_USERNAME = os.getenv('UNIFI_USERNAME', 'admin')
+UNIFI_PASSWORD = os.getenv('UNIFI_PASSWORD', '')
+UNIFI_PORT = int(os.getenv('UNIFI_PORT', 8443))  
+UNIFI_SSL_VERIFY = str_to_bool(os.getenv('UNIFI_SSL_VERIFY', 'True')) 
+UNIFI_SITE_ID = os.getenv('UNIFI_SITE_ID', '')
+DEBUG = str_to_bool(os.getenv('DEBUG', 'False'))
+LOGO_FILE = os.getenv('LOGO_FILE', '/static/logo.png')
+WIFI_ICON = os.getenv('WIFI_ICON', '/static/wifi-icon.png')
+if DEBUG:
+    print("DEBUG mode is enabled.")
+    print(f"UNIFI_HOST: {UNIFI_HOST}")
+    print(f"UNIFI_USERNAME: {UNIFI_USERNAME}")
+    print(f"UNIFI_PASSWORD: {UNIFI_PASSWORD}")
+    print(f"UNIFI_PORT: {UNIFI_PORT}")
+    print(f"UNIFI_SSL_VERIFY: {UNIFI_SSL_VERIFY}")
+    print(f"UNIFI_SITE_ID: {UNIFI_SITE_ID}")
+
+LOGLEVEL = os.getenv('LOGLEVEL', 'INFO')
+
+def log(message, level='INFO'):
+    """
+    Log a message with the specified log level.
+    """
+    if level == 'DEBUG' and not DEBUG:
+        return
+    if level == 'INFO' and LOGLEVEL not in ['DEBUG', 'INFO']:
+        return
+    if level == 'WARNING' and LOGLEVEL not in ['DEBUG', 'INFO', 'WARNING']:
+        return
+    if level == 'ERROR' and LOGLEVEL not in ['DEBUG', 'INFO', 'WARNING', 'ERROR']:
+        return
+    print(f"{level}: {message}")
+
+
+def check_site_id(site_id):
+    """
+    Check if the given site ID exists in the controller and assign the right one if not.
+    """
+    log(f"Checking site ID: {site_id}", 'DEBUG')
+    c = Controller(UNIFI_HOST, UNIFI_USERNAME, UNIFI_PASSWORD, port=UNIFI_PORT, ssl_verify=UNIFI_SSL_VERIFY, site_id=UNIFI_SITE_ID)
+    sites = c.get_sites()
+    for site in sites:
+        if site['name'] == site_id:
+            return site_id
+    if len(sites) == 1:
+        print("\n" * 3 , "#" * 60)
+        print(f"Since there is only one site in your system I can set UNIFI_SITE_ID to {sites[0]['name']}")
+        print(f"To suppress this message, set environment-variable UNIFI_SITE_ID to {sites[0]['name']}")
+        print("#" * 60, "\n" * 3)
+
+        return sites[0]['name']
+    else:
+        print("\n" * 3, "#" * 60)
+        print(f"Multiple sites found. Please specify a valid site ID.")
+        print(f"Available site IDs: {', '.join([site['name'] for site in sites])}")
+        print(f"Setting UNIFI_SITE_ID to {sites[0]['name']}")
+        print(f"To suppress this message, set environment-variable UNIFI_SITE_ID to the desired site ID")
+        print("#" * 60, "\n" * 3)
+        return sites[0]['name']
+
+def get_voucher_list(controller):
+    """
+    Get the list of vouchers from the controller.
+    """
+    vouchers = controller.list_vouchers()
+    return vouchers
+
+def api_create_voucher(c, note="TEST", time=45, up_bandwidth=5000, down_bandwidth=10000, byte_quota=0):
+    """
+    Create a voucher with the specified name and number of vouchers.
+    create_voucher(Anzahl Voucher, Anzahl Nutzer (0=ohne Limit), Zeit in Minuten, Upstream Bandwidth, Downstream Bandwidth, Byte Quota, Notiz)
+    """
+    
+    voucher = c.create_voucher(1, 0, time, up_bandwidth=up_bandwidth, down_bandwidth=down_bandwidth, byte_quota=byte_quota, note=note)
+    code = voucher[0].get('code')
+
+    log(f"Created voucher with code: {code}", 'INFO')
+    return code
+
+
+# QR-Code für das WLAN generieren:
+ssid = os.getenv('WLAN_SSID', 'TANNE')
+password = os.getenv('WLAN_WPA2', 'hdndwlanar')
+qr_data = f"WIFI:T:WPA;S:{ssid};P:{password};;"
+qr = qrcode.QRCode(
+        version=1,
+        error_correction=qrcode.constants.ERROR_CORRECT_L,
+        box_size=10,
+        border=0,
+    )
+qr.add_data(qr_data)
+qr.make(fit=True)
+img = qr.make_image(fill_color="#000000", back_color="transparent")
+buffer = io.BytesIO()
+img.save(buffer, format="PNG")
+buffer.seek(0)
+
+
+
+
+
+app = Flask(__name__)
+# b64encode-Filter registrieren
+@app.template_filter('b64encode')
+def b64encode_filter(data):
+    """
+    Base64-Encode für Jinja2-Templates.
+    """
+    if isinstance(data, bytes):
+        return base64.b64encode(data).decode('utf-8')
+    elif hasattr(data, 'getvalue'):  # Prüfen, ob es ein BytesIO-Objekt ist
+        return base64.b64encode(data.getvalue()).decode('utf-8')
+    return base64.b64encode(data.encode('utf-8')).decode('utf-8')
+
+
+@app.route("/")
+def home():
+    return render_template("index.html", logo=LOGO_FILE)
+
+@app.route("/voucher/<int:minutes>")
+def create_voucher(minutes):
+    try:
+        c = Controller(UNIFI_HOST, UNIFI_USERNAME, UNIFI_PASSWORD, port=UNIFI_PORT, ssl_verify=UNIFI_SSL_VERIFY, site_id=check_site_id(UNIFI_SITE_ID))
+        code = api_create_voucher(c, time=minutes)  # Platzhalter für echten Code
+        # code aufbereiten: 5 Zeichen Bindestrich, 5 Zeichen Bindestrich, 5 Zeichen Bindestrich, 5 Zeichen
+        code = f"{code[:5]}-{code[5:10]}"
+    except Exception as e:
+        log(f"Error creating voucher: {e}", 'ERROR')
+        return jsonify({"error": str(e)}), 500
+    return render_template("voucher.html", code=code, minutes=minutes, qr_code=buffer, wifi_icon=WIFI_ICON)
+
+
+# Main script
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=42425, debug=True)

script/templates/index.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Voucher Generator</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            text-align: center;
+            margin: 0;
+            padding: 0;
+            background-color: #85b5f8;
+        }
+        .container {
+            margin-top: 0px;
+        }
+        .logo {
+            width: 100%;
+            max-width: 500px;
+            margin-bottom: 0px;
+        }
+        .text {
+            font-size: 24px;
+            margin-bottom: 30px;
+        }
+        .buttons {
+            display: flex;
+            justify-content: center;
+            gap: 20px;
+        }
+        .button {
+            padding: 20px 40px;
+            font-size: 2rem;
+            color: white;
+            background-color: #0051a7;
+            border: none;
+            border-radius: 10px;
+            cursor: pointer;
+            text-decoration: none;
+            box-shadow: 0 14px 18px rgba(0, 0, 0, 0.4);
+        }
+        .zeit {
+            font-size: 3em;
+            margin-top: 10px;
+            text-shadow: 0 6px 10px rgba(0, 0, 0, 0.4);
+        }
+        .button:hover {
+            background-color: #0056b3;
+        }
+
+        @media (max-width: 768px) {
+            .text {
+            font-size: 20px;
+            margin-bottom: 20px;
+        }
+            .buttons {
+                flex-direction: column; /* Buttons untereinander anordnen */
+                gap: 10px; /* Abstand zwischen den Buttons */
+                margin-left: 20px; /* Zentrieren der Buttons */
+                margin-right: 20px;
+            }
+            .button {
+                width: auto; /* Buttons so breit wie der Bildschirm (mit etwas Abstand) */
+                margin-left: 20px ;
+                margin-right: 20px ;
+                font-size: 1rem;
+
+            }
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <img src="{{ logo }}" alt="Logo" class="logo">
+        <div class="text">Bitte wähle die gewünschte Dauer für den WLAN-Zugang 😀</div>
+        <div class="buttons">
+            <a href="/voucher/45" class="button">WLAN-Zugangscode<br>für<br><span class="zeit">45min</span><br>erstellen</a>
+            <a href="/voucher/90" class="button">WLAN-Zugangscode<br>für<br><span class="zeit">90min</span><br>erstellen</a>
+        </div>
+    </div>
+</body>
+</html>

script/templates/voucher.html

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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="format-detection" content="telephone=no">
+    <title>Voucher</title>
+    <style>
+        body {
+            font-family: 'Courier New', Courier, monospace, Arial, sans-serif;
+            margin: 0;
+            padding: 0;
+            background-color: #ffe14b;
+            /* Gedeckt gelber Hintergrund */
+            display: flex;
+            flex-direction: column;
+            justify-content: space-between;
+            height: 100vh;
+        }
+
+        .header {
+            text-align: center;
+            padding: 20px;
+            font-size: 3rem;
+            font-weight: bold;
+            color: #333;
+        }
+
+        .code {
+            text-align: center;
+            font-size: 9rem;
+            font-weight: bold;
+            color: #000;
+            margin: 20px 0;
+            word-spacing: 10px;
+
+        }
+
+        .footer {
+            display: flex;
+            justify-content: space-between;
+            align-items: flex-end;
+            padding: 20px;
+        }
+
+        .wifi-symbol {
+            position: relative;
+            width: 25%;
+        }
+
+        .wifi-icon {
+            width: 30%;
+            max-width: 1200px;
+        }
+
+        .qr-code {
+            width: 25%;
+            max-width: 1200px;
+            margin: 50px;
+        }
+        @media (max-width: 768px) {
+    .header {
+        font-size: 2rem;
+    }
+
+    .code {
+        font-size: 5rem;
+    }
+
+    .footer {
+        flex-direction: column;
+        align-items: center;
+        gap: 20px; /* Abstand zwischen den Grafiken */
+    }
+
+    .wifi-icon,
+    .qr-code {
+        width: 80%; /* Grafiken nehmen 80% der Bildschirmbreite ein */
+        max-width: 300px; /* Maximale Breite der Grafiken */
+    }
+}
+    </style>
+</head>
+
+<body>
+    <div class="header">
+        Der {{ minutes }}min Zugangscode:
+    </div>
+    <div class="code">
+        {{ code }}
+    </div>
+    <div class="footer">
+        <img src="{{ wifi_icon }}" alt="Logo" class="wifi-icon">
+        <img src="data:image/png;base64,{{ qr_code|b64encode }}" alt="QR-Code" class="qr-code">
+    </div>
+</body>
+
+</html>