"feat: Implement SSL certificate creation for database connection"
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backend/app/create_ssl_cert.py
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95
backend/app/create_ssl_cert.py
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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="instance/ssl/myp.crt", help="Pfad zur Zertifikatsdatei")
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parser.add_argument("-k", "--key", default="instance/ssl/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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