50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
from datetime import datetime, timedelta
|
|
from typing import Any, Union, Optional
|
|
import jwt
|
|
from fastapi.security import OAuth2PasswordBearer
|
|
from passlib.context import CryptContext
|
|
from app.core.config import settings
|
|
from cryptography.fernet import Fernet
|
|
|
|
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
|
|
ALGORITHM = "HS256"
|
|
|
|
# Token认证
|
|
reusable_oauth2 = OAuth2PasswordBearer(
|
|
tokenUrl=f"{settings.API_V1_STR}/login/access-token"
|
|
)
|
|
|
|
|
|
def create_access_token(
|
|
subject: Union[str, Any], expires_delta: timedelta = None
|
|
) -> str:
|
|
if expires_delta:
|
|
expire = datetime.utcnow() + expires_delta
|
|
else:
|
|
expire = datetime.utcnow() + timedelta(
|
|
minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES
|
|
)
|
|
to_encode = {"exp": expire, "sub": str(subject)}
|
|
encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=ALGORITHM)
|
|
return encoded_jwt
|
|
|
|
|
|
def verify_password(plain_password: str, hashed_password: str) -> bool:
|
|
return pwd_context.verify(plain_password, hashed_password)
|
|
|
|
|
|
def get_password_hash(password: str) -> str:
|
|
return pwd_context.hash(password)
|
|
|
|
|
|
def decrypt(data, key) -> Optional[bytes]:
|
|
"""
|
|
解密二进制数据
|
|
"""
|
|
fernet = Fernet(key)
|
|
try:
|
|
return fernet.decrypt(data)
|
|
except Exception as e:
|
|
print(str(e))
|
|
return None
|