54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
from datetime import datetime, timedelta, timezone
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from pwdlib import PasswordHash
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import jwt
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from jwt.exceptions import InvalidTokenError
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from sqlmodel import Session, select
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from app.core.database import get_session
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from app.internal.models import Admin
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SECRET_KEY = "CHANGE_THIS_IN_PRODUCTION"
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="admin/login")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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return PasswordHash.recommended().verify(plain_password, hashed_password)
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def hash_password(password: str) -> str:
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return PasswordHash.recommended().hash(password)
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def create_access_token(data: dict, expires_delta: timedelta | None = None) -> str:
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to_encode = data.copy()
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expire = datetime.now(timezone.utc) + (expires_delta or timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES))
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to_encode.update({"exp": expire})
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return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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def get_current_admin_user(
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token: str = Depends(oauth2_scheme),
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session: Session = Depends(get_session)
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):
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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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except InvalidTokenError:
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raise credentials_exception
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admin_user = session.exec(select(Admin).where(Admin.username == username)).first()
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if not admin_user:
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raise credentials_exception
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return admin_user
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