65 lines
2.0 KiB
Python
65 lines
2.0 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 fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from pydantic import BaseModel
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import os
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SECRET_KEY = os.getenv("JWT_SECRET_KEY", "your-secret-key-change-in-production")
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
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class Token(BaseModel):
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access_token: str
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token_type: str
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class TokenData(BaseModel):
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username: Optional[str] = None
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class UserLogin(BaseModel):
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username: str
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password: str
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class UserInDB(BaseModel):
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username: str
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hashed_password: str
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email: str
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full_name: Optional[str] = None
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is_active: bool = True
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def verify_password(plain_password, hashed_password):
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password):
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return pwd_context.hash(password)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
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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=15)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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async def get_current_user(token: str = Depends(oauth2_scheme)):
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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raise credentials_exception
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token_data = TokenData(username=username)
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except JWTError:
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raise credentials_exception
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return token_data |