60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from cryptography.fernet import Fernet
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import base64
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import hashlib
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from config import settings
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def get_password_hash(password: str) -> str:
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return pwd_context.hash(password)
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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return pwd_context.verify(plain_password, hashed_password)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
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return encoded_jwt
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def decode_access_token(token: str) -> Optional[str]:
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try:
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payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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return None
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return username
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except JWTError:
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return None
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def _get_fernet_key() -> bytes:
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key = hashlib.sha256(settings.SECRET_KEY.encode()).digest()
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return base64.urlsafe_b64encode(key)
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def encrypt_api_key(api_key: str) -> str:
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if not api_key:
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return ""
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fernet = Fernet(_get_fernet_key())
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encrypted = fernet.encrypt(api_key.encode())
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return encrypted.decode()
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def decrypt_api_key(encrypted_key: str) -> Optional[str]:
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if not encrypted_key:
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return None
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try:
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fernet = Fernet(_get_fernet_key())
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decrypted = fernet.decrypt(encrypted_key.encode())
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return decrypted.decode()
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except Exception:
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return None
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