"Refactor printer management scripts and update requirements"
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107
backend/app/utils/add_hardcoded_printers.py
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107
backend/app/utils/add_hardcoded_printers.py
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#!/usr/bin/env python3
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"""
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Skript zum Hinzufügen der hardkodierten Drucker in die Datenbank.
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"""
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import sys
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import os
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sys.path.append('.')
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from config.settings import PRINTERS
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from database.db_manager import DatabaseManager
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from models import Printer
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from datetime import datetime
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def add_hardcoded_printers():
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"""Fügt die hardkodierten Drucker in die Datenbank ein."""
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print("=== Hardkodierte Drucker hinzufügen ===")
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print(f"Zu erstellende Drucker: {len(PRINTERS)}")
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try:
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db = DatabaseManager()
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session = db.get_session()
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added_count = 0
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for printer_name, config in PRINTERS.items():
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# Prüfen, ob Drucker bereits existiert
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existing = session.query(Printer).filter(Printer.name == printer_name).first()
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if existing:
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print(f"⚠️ {printer_name}: Bereits vorhanden (ID: {existing.id})")
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continue
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# Neuen Drucker erstellen
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new_printer = Printer(
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name=printer_name,
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model="P115", # Standard-Modell
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location="Labor", # Standard-Standort
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ip_address=config["ip"],
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mac_address=f"98:25:4A:E1:{printer_name[-1]}0:0{printer_name[-1]}", # Dummy MAC
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plug_ip=config["ip"],
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plug_username="admin",
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plug_password="admin",
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status="available", # Verfügbar, da in Konfiguration
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active=True,
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created_at=datetime.now()
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)
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session.add(new_printer)
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print(f"✅ {printer_name}: Hinzugefügt (IP: {config['ip']})")
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added_count += 1
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# Änderungen speichern
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session.commit()
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session.close()
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print(f"\n✅ {added_count} neue Drucker hinzugefügt")
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print("Drucker-Erstellung abgeschlossen!")
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except Exception as e:
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print(f"❌ Fehler beim Hinzufügen: {e}")
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if 'session' in locals():
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session.rollback()
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session.close()
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def list_all_printers():
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"""Zeigt alle Drucker in der Datenbank an."""
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print("\n=== Alle Drucker in der Datenbank ===")
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try:
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db = DatabaseManager()
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session = db.get_session()
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printers = session.query(Printer).all()
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if not printers:
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print("Keine Drucker in der Datenbank gefunden.")
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return
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print(f"{'ID':<5} {'Name':<15} {'Status':<12} {'IP-Adresse':<15} {'Aktiv':<8}")
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print("-" * 60)
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for printer in printers:
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active_str = "✅" if printer.active else "❌"
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print(f"{printer.id:<5} {printer.name:<15} {printer.status:<12} {printer.ip_address:<15} {active_str:<8}")
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session.close()
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except Exception as e:
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print(f"❌ Fehler beim Abrufen: {e}")
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if 'session' in locals():
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session.close()
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if __name__ == "__main__":
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print("Hardkodierte Drucker-Erstellung")
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print("=" * 35)
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# Aktuelle Drucker anzeigen
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list_all_printers()
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# Hardkodierte Drucker hinzufügen
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add_hardcoded_printers()
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# Alle Drucker anzeigen
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list_all_printers()
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110
backend/app/utils/clean_and_add_printers.py
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110
backend/app/utils/clean_and_add_printers.py
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#!/usr/bin/env python3
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"""
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Skript zur Bereinigung der Drucker-Datenbank und Hinzufügung der korrekten hardkodierten Drucker.
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"""
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import sys
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import os
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sys.path.append('.')
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from config.settings import PRINTERS
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from database.db_manager import DatabaseManager
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from models import Printer
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from datetime import datetime
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def clean_and_add_printers():
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"""Bereinigt die Drucker-Datenbank und fügt die korrekten hardkodierten Drucker hinzu."""
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print("=== Drucker-Datenbank bereinigen und neu erstellen ===")
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print(f"Hardkodierte Drucker: {len(PRINTERS)}")
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try:
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db = DatabaseManager()
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session = db.get_session()
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# Alle existierenden Drucker löschen
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existing_printers = session.query(Printer).all()
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print(f"Lösche {len(existing_printers)} existierende Drucker...")
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for printer in existing_printers:
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session.delete(printer)
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session.commit()
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print("✅ Alle alten Drucker gelöscht")
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# Neue Drucker hinzufügen
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added_count = 0
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for printer_name, config in PRINTERS.items():
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# Neuen Drucker erstellen
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new_printer = Printer(
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name=printer_name,
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model="P115", # Standard-Modell
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location="Labor", # Standard-Standort
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ip_address=config["ip"],
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mac_address=f"98:25:4A:E1:{printer_name[-1]}0:0{printer_name[-1]}", # Dummy MAC
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plug_ip=config["ip"],
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plug_username="admin",
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plug_password="admin",
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status="available", # Verfügbar, da in Konfiguration
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active=True,
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created_at=datetime.now()
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)
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session.add(new_printer)
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print(f"✅ {printer_name}: Hinzugefügt (IP: {config['ip']})")
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added_count += 1
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# Änderungen speichern
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session.commit()
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session.close()
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print(f"\n✅ {added_count} neue Drucker hinzugefügt")
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print("Drucker-Datenbank erfolgreich bereinigt und neu erstellt!")
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except Exception as e:
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print(f"❌ Fehler beim Bereinigen: {e}")
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if 'session' in locals():
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session.rollback()
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session.close()
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def list_final_printers():
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"""Zeigt die finalen Drucker in der Datenbank an."""
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print("\n=== Finale Drucker-Liste ===")
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try:
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db = DatabaseManager()
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session = db.get_session()
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printers = session.query(Printer).all()
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if not printers:
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print("Keine Drucker in der Datenbank gefunden.")
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return
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print(f"{'ID':<5} {'Name':<15} {'Status':<12} {'IP-Adresse':<15} {'Aktiv':<8}")
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print("-" * 60)
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for printer in printers:
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active_str = "✅" if printer.active else "❌"
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print(f"{printer.id:<5} {printer.name:<15} {printer.status:<12} {printer.ip_address:<15} {active_str:<8}")
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session.close()
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print(f"\nGesamt: {len(printers)} Drucker")
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except Exception as e:
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print(f"❌ Fehler beim Abrufen: {e}")
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if 'session' in locals():
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session.close()
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if __name__ == "__main__":
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print("Drucker-Datenbank Bereinigung und Neuerstellung")
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print("=" * 50)
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# Datenbank bereinigen und neue Drucker hinzufügen
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clean_and_add_printers()
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# Finale Liste anzeigen
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list_final_printers()
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95
backend/app/utils/create_ssl_cert.py
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95
backend/app/utils/create_ssl_cert.py
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@@ -0,0 +1,95 @@
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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SSL-Zertifikat-Generator für die MYP-Plattform
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Erstellt selbstsignierte SSL-Zertifikate für die lokale Entwicklung
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"""
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import os
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import datetime
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import sys
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# Überprüfen, ob die notwendigen Pakete installiert sind
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try:
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from cryptography import x509
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from cryptography.x509.oid import NameOID
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from cryptography.hazmat.primitives import hashes
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from cryptography.hazmat.primitives.asymmetric import rsa
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from cryptography.hazmat.primitives.serialization import Encoding, PrivateFormat, NoEncryption
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except ImportError:
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print("Fehler: Paket 'cryptography' nicht gefunden.")
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print("Bitte installieren Sie es mit: pip install cryptography")
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sys.exit(1)
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def create_self_signed_cert(cert_path, key_path, hostname="localhost"):
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"""
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Erstellt ein selbstsigniertes SSL-Zertifikat mit dem angegebenen Hostnamen.
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Args:
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cert_path: Pfad zur Zertifikatsdatei
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key_path: Pfad zur privaten Schlüsseldatei
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hostname: Hostname für das Zertifikat (Standard: localhost)
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"""
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# Verzeichnis erstellen, falls es nicht existiert
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cert_dir = os.path.dirname(cert_path)
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if cert_dir and not os.path.exists(cert_dir):
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os.makedirs(cert_dir, exist_ok=True)
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# Privaten Schlüssel generieren
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private_key = rsa.generate_private_key(
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public_exponent=65537,
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key_size=2048,
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)
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# Schlüsseldatei schreiben
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with open(key_path, "wb") as key_file:
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key_file.write(private_key.private_bytes(
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encoding=Encoding.PEM,
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format=PrivateFormat.TraditionalOpenSSL,
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encryption_algorithm=NoEncryption()
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))
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# Name für das Zertifikat erstellen
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subject = issuer = x509.Name([
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x509.NameAttribute(NameOID.COMMON_NAME, hostname),
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])
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# Zertifikat erstellen
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cert = x509.CertificateBuilder().subject_name(
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subject
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).issuer_name(
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issuer
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).public_key(
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private_key.public_key()
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).serial_number(
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x509.random_serial_number()
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).not_valid_before(
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datetime.datetime.utcnow()
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).not_valid_after(
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datetime.datetime.utcnow() + datetime.timedelta(days=365)
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).add_extension(
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x509.SubjectAlternativeName([x509.DNSName(hostname)]),
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critical=False,
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).sign(private_key, hashes.SHA256())
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# Zertifikatsdatei schreiben
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with open(cert_path, "wb") as cert_file:
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cert_file.write(cert.public_bytes(Encoding.PEM))
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print(f"Selbstsigniertes SSL-Zertifikat für '{hostname}' erstellt:")
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print(f"Zertifikat: {cert_path}")
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print(f"Schlüssel: {key_path}")
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print(f"Gültig für 1 Jahr.")
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if __name__ == "__main__":
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import argparse
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parser = argparse.ArgumentParser(description="Erstellt selbstsignierte SSL-Zertifikate für die lokale Entwicklung")
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parser.add_argument("-c", "--cert", default="/home/user/Projektarbeit-MYP/backend/app/certs/myp.crt", help="Pfad zur Zertifikatsdatei")
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parser.add_argument("-k", "--key", default="/home/user/Projektarbeit-MYP/backend/app/certs/myp.key", help="Pfad zur Schlüsseldatei")
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parser.add_argument("-n", "--hostname", default="localhost", help="Hostname für das Zertifikat")
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args = parser.parse_args()
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create_self_signed_cert(args.cert, args.key, args.hostname)
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