Cheng Zhou
43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
from datetime import datetime, timedelta, timezone
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from typing import Any, Dict, Optional
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from fastapi import HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from app.core.config import settings
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ALGORITHM = "HS256"
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/auth/login", scheme_name="Bearer")
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def create_access_token(*, user_id: str, role: str, expires_minutes: Optional[int] = None) -> str:
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expire = datetime.now(timezone.utc) + timedelta(
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minutes=expires_minutes or settings.JWT_EXPIRE_MINUTES
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)
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to_encode: Dict[str, Any] = {"sub": user_id, "role": role, "exp": expire}
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return jwt.encode(to_encode, settings.JWT_SECRET_KEY, algorithm=ALGORITHM)
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def decode_token(token: str) -> Dict[str, Any]:
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try:
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payload = jwt.decode(token, settings.JWT_SECRET_KEY, algorithms=[ALGORITHM])
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except JWTError as exc:
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raise 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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) from exc
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return payload
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def hash_password(plain_password: str) -> str:
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return pwd_context.hash(plain_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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