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encrypt.py
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encrypt.py
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import os
from cryptography.fernet import Fernet
from datetime import datetime
import shutil
files = []
dirs = []
# Log directory setup
log_dir = "log"
if not os.path.exists(log_dir):
os.makedirs(log_dir)
# Log file setup
log_file = os.path.join(log_dir, "activity_log.txt")
def log_activity(action, filename):
"""Log the file action (encrypt or decrypt) with timestamp to a log file."""
timestamp = datetime.now().strftime('%Y-%m-%d %H:%M:%S') # Current date and time
with open(log_file, 'a') as log:
log.write(f"{timestamp} - {action}: {filename}\n")
def main():
for file in os.listdir():
if file == "_encrypt.py" or file == "cryptog.py" or file == 'key.txt' or file =='decrypt.py' or file =='encrypt.py' or file == "encryptv2.py" or file == "cryptog.exe" or file =='encrypt.exe' or file == 'key.key' or "key_backup" in file:
continue
if os.path.isfile(file):
files.append(file)
elif os.path.isdir(file):
dirs.append(file)
def validate_key(key):
"""Check if the provided key is a valid Fernet key."""
try:
# Try to load the key to see if it's valid
Fernet(key)
return True
except Exception:
return False
def generate_backup_filename():
"""Generate a backup filename with an increasing number if necessary."""
backup_filename = "key_backup.txt"
counter = 1
while os.path.exists(backup_filename):
backup_filename = f"key_backup{counter}.txt"
counter += 1
return backup_filename
try:
with open("key.txt", 'rb') as thekey:
secretkey = thekey.read().strip()
# Check if the key is valid
if not validate_key(secretkey):
print("Geçersiz anahtar bulundu.")
user_choice = input("Yeni bir anahtar oluşturulsun mu? [Evet - Y / Hayır - N]: ").strip().lower()
if user_choice == 'y':
# Yedeğini al
backup_filename = generate_backup_filename() # Yedek dosyasının adını oluştur
shutil.copy("key.txt", backup_filename) # Eski key.txt'yi yedekle
print(f"Eski anahtar yedeklendi: {backup_filename}")
# Yeni bir anahtar oluştur ve yeni dosyaya yaz
secretkey = Fernet.generate_key()
with open("key.txt", 'wb') as thekey:
thekey.write(secretkey)
print("Yeni anahtar başarıyla oluşturuldu ve key.txt'ye kaydedildi.")
else:
print("Yeni anahtar oluşturulmadı. Program durduruluyor.")
exit(0)
except FileNotFoundError:
print("Anahtar dosyası bulunamadı. Yeni anahtar oluşturuluyor...")
secretkey = Fernet.generate_key()
with open("key.txt", 'wb') as thekey:
thekey.write(secretkey)
print("Yeni anahtar başarıyla oluşturuldu.")
def encrypt():
main()
for file in files:
if "key_backup" in file:
continue # Yedek dosyalarını şifrelemeden geç
with open(file, 'rb') as thefile:
contents = thefile.read()
contents_decrypted = Fernet(secretkey).encrypt(contents)
with open(file, 'wb') as thefile:
thefile.write(contents_decrypted)
os.rename(file, f'locked-{file}')
# Log encryption activity with timestamp
log_activity("Encrypted", file)
files.clear()
dirs.clear()
def decrypt():
main()
for file in files:
if "key_backup" in file:
continue # Yedek dosyalarını deşifrelemeden geç
with open(file, 'rb') as thefile:
contents = thefile.read()
try:
contents_encrypted = Fernet(secretkey).decrypt(contents)
with open(file, 'wb') as thefile:
thefile.write(contents_encrypted)
if 'locked-' in file:
newnamefile = file.replace('locked-', '', 1)
os.rename(file, f'{newnamefile}')
# Log decryption activity with timestamp
log_activity("Decrypted", file)
print('\nŞifre Çözüldü.')
except:
print(f'\nŞifre Hatalı Ya Da Dosya Şifreli Değil. [{file}]')
files.clear()
dirs.clear()
while True:
chose = input('''
Şifrelemek (encrypt) [1]
Şifre Çözmek (decrypt) [2]
: ''')
try:
chose = int(chose)
except:
print('\nLütfen sadece sayı giriniz')
if chose == 1:
verification = input('Gerçekten şifrelemek istiyor musunuz? [Y] ')
if verification == 'y' or verification == 'Y':
encrypt()
print('\nŞifrelendi')
else:
print('\nŞifrelenmedi')
elif chose == 2:
decrypt()
else:
print('\nLütfen 1 veya 2 giriniz.')