mirror of
https://github.com/Viren070/MediaFusion.git
synced 2025-12-01 23:21:11 +01:00
mhdzumair
33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
from Crypto.Cipher import AES
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from Crypto.Random import get_random_bytes
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from base64 import urlsafe_b64encode, urlsafe_b64decode
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from db.config import settings
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from db.schemas import UserData
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def encrypt_user_data(user_data: UserData) -> str:
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data = user_data.model_dump_json(
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exclude_none=True, exclude_defaults=True, exclude_unset=True, round_trip=True
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).encode("utf-8")
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iv = get_random_bytes(16)
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cipher = AES.new(settings.secret_key.encode("utf-8"), AES.MODE_CBC, iv)
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encrypted_data = cipher.encrypt(data + b"\0" * (16 - len(data) % 16))
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encrypted_str = urlsafe_b64encode(iv + encrypted_data).decode("utf-8")
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return encrypted_str
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def decrypt_user_data(secret_str: str | None = None) -> UserData:
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if not secret_str:
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return UserData()
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try:
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encrypted_data = urlsafe_b64decode(secret_str)
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iv = encrypted_data[:16]
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cipher = AES.new(settings.secret_key.encode("utf-8"), AES.MODE_CBC, iv)
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decrypted_data = cipher.decrypt(encrypted_data[16:])
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decrypted_data = decrypted_data.rstrip(b"\0")
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user_data = UserData.model_validate_json(decrypted_data.decode("utf-8"))
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except Exception:
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user_data = UserData()
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return user_data
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