Files
catalogo/app/core/security.py

69 lines
2.3 KiB
Python

from fastapi import Depends, HTTPException, status
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
import jwt
from pydantic import BaseModel
from app.core.config import settings
security = HTTPBearer()
class UserAuth(BaseModel):
id: str
token: str
def format_public_key(key: str) -> str:
key = key.replace('\\n', '\n')
header = "-----BEGIN PUBLIC KEY-----"
footer = "-----END PUBLIC KEY-----"
if header in key and footer in key:
# Extrai o miolo, remove todos os espaços e quebras de linha
body = key.replace(header, "").replace(footer, "")
body = "".join(body.split())
return f"{header}\n{body}\n{footer}"
return key
def get_current_user(credentials: HTTPAuthorizationCredentials = Depends(security)) -> UserAuth:
token = credentials.credentials
try:
# Garante que a chave terá o formato PEM válido, independentemente de como foi definida no .env
public_key = format_public_key(settings.JWT_PUBLIC_KEY_PEM)
payload = jwt.decode(
token,
public_key,
algorithms=["RS256"],
issuer=settings.JWT_ISSUER,
audience=settings.JWT_AUDIENCE
)
sub = payload.get("sub")
if not sub or not str(sub).strip():
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Invalid token claims",
headers={"WWW-Authenticate": "Bearer"},
)
return UserAuth(id=str(sub), token=token)
except jwt.ExpiredSignatureError:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Token expired",
headers={"WWW-Authenticate": "Bearer"},
)
except jwt.InvalidTokenError:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Invalid access token",
headers={"WWW-Authenticate": "Bearer"},
)
except Exception as e:
import traceback
traceback.print_exc() # Imprime no log do docker para ajudar a debugar
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=f"Could not validate credentials: {str(e)}",
headers={"WWW-Authenticate": "Bearer"},
)