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from cryptography import x509
from cryptography.x509.oid import NameOID
from cryptography.hazmat.primitives import hashes, serialization
from cryptography.hazmat.primitives.asymmetric import rsa
import datetime
import os
def generate_ssl_certificate():
"""Генерация самоподписанных SSL сертификатов для локальной разработки"""
cert_dir = "certs"
if not os.path.exists(cert_dir):
os.makedirs(cert_dir)
cert_path = os.path.join(cert_dir, "localhost.crt")
key_path = os.path.join(cert_dir, "localhost.key")
# Проверяем, существуют ли уже сертификаты
if os.path.exists(cert_path) and os.path.exists(key_path):
print("SSL сертификаты уже существуют")
return cert_path, key_path
try:
# Генерируем приватный ключ
private_key = rsa.generate_private_key(
public_exponent=65537,
key_size=2048,
)
# Создаем самоподписанный сертификат
subject = issuer = x509.Name(
[
x509.NameAttribute(NameOID.COUNTRY_NAME, "RU"),
x509.NameAttribute(NameOID.STATE_OR_PROVINCE_NAME, "Moscow"),
x509.NameAttribute(NameOID.LOCALITY_NAME, "Moscow"),
x509.NameAttribute(NameOID.ORGANIZATION_NAME, "LocalDev"),
x509.NameAttribute(NameOID.COMMON_NAME, "localhost"),
]
)
cert = (
x509.CertificateBuilder()
.subject_name(subject)
.issuer_name(issuer)
.public_key(private_key.public_key())
.serial_number(x509.random_serial_number())
.not_valid_before(datetime.datetime.utcnow())
.not_valid_after(datetime.datetime.utcnow() + datetime.timedelta(days=365))
.add_extension(
x509.SubjectAlternativeName([x509.DNSName("localhost")]),
critical=False,
)
.sign(private_key, hashes.SHA256())
)
# Сохраняем приватный ключ
with open(key_path, "wb") as f:
f.write(
private_key.private_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PrivateFormat.TraditionalOpenSSL,
encryption_algorithm=serialization.NoEncryption(),
)
)
# Сохраняем сертификат
with open(cert_path, "wb") as f:
f.write(cert.public_bytes(serialization.Encoding.PEM))
print(f"SSL сертификаты созданы:")
print(f" Сертификат: {cert_path}")
print(f" Ключ: {key_path}")
return cert_path, key_path
except Exception as e:
print(f"Ошибка генерации SSL сертификатов: {e}")
return None, None
if __name__ == "__main__":
generate_ssl_certificate()