159 lines
No EOL
4.8 KiB
Python
159 lines
No EOL
4.8 KiB
Python
from datetime import datetime, timedelta, timezone
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from typing import Optional, Dict, Any, Tuple
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from jose import JWTError, jwt
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import logging
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from modules.gateway_interface import get_gateway_interface
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from gateway.modules.configuration import APP_CONFIG
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# Get Config Data
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SECRET_KEY = APP_CONFIG.get("APP_JWT_SECRET_SECRET")
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ALGORITHM = APP_CONFIG.get("Auth_ALGORITHM")
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ACCESS_TOKEN_EXPIRE_MINUTES = int(APP_CONFIG.get("APP_TOKEN_EXPIRY"))
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# OAuth2 Setup
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
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# Logger
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logger = logging.getLogger(__name__)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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"""
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Creates a JWT Access Token.
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Args:
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data: Data to encode (usually user ID or username)
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expires_delta: Validity duration of the token (optional)
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Returns:
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JWT Token as string
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"""
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.now(timezone.utc) + expires_delta
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else:
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expire = datetime.now(timezone.utc) + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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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)) -> Dict[str, Any]:
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"""
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Extracts and validates the current user from the JWT token.
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Args:
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token: JWT Token from the Authorization header
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Returns:
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User data
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Raises:
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HTTPException: For invalid token or user
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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="Invalid authentication credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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# Decode token
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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# Extract username from token
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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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# Extract mandate ID from token (if present)
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mandate_id: int = payload.get("mandate_id", 1) # Default: Root mandate
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except JWTError:
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logger.warning("Invalid JWT Token")
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raise credentials_exception
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# Initialize Gateway Interface without context
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gateway = get_gateway_interface()
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# Retrieve user from database
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user = gateway.get_user_by_username(username)
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if user is None:
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logger.warning(f"User {username} not found")
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raise credentials_exception
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if user.get("disabled", False):
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logger.warning(f"User {username} is disabled")
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="User is disabled")
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return user
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async def get_current_active_user(current_user: Dict[str, Any] = Depends(get_current_user)) -> Dict[str, Any]:
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"""
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Ensures that the user is active.
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Args:
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current_user: Current user data
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Returns:
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User data
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Raises:
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HTTPException: If the user is disabled
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"""
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if current_user.get("disabled", False):
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="User is disabled")
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return current_user
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async def get_user_context(current_user: Dict[str, Any]) -> Tuple[int, int]:
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"""
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Extracts the mandate ID and user ID from the current user.
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Enhanced with better logging.
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Args:
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current_user: The current user
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Returns:
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Tuple of (mandate_id, user_id)
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"""
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# Default values
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default_mandate_id = 0
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default_user_id = 0
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# Extract mandate_id
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mandate_id = current_user.get("mandate_id", None)
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if mandate_id is None:
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logger.warning(f"No mandate_id found in current_user, using default: {default_mandate_id}")
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mandate_id = default_mandate_id
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else:
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try:
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mandate_id = int(mandate_id)
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except (ValueError, TypeError):
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logger.error(f"Invalid mandate_id value: {mandate_id}, using default: {default_mandate_id}")
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mandate_id = default_mandate_id
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# Extract user_id
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user_id = current_user.get("id", None)
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if user_id is None:
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logger.warning(f"No user_id found in current_user, using default: {default_user_id}")
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user_id = default_user_id
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else:
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try:
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user_id = int(user_id)
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except (ValueError, TypeError):
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logger.error(f"Invalid user_id value: {user_id}, using default: {default_user_id}")
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user_id = default_user_id
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# logger.info(f"User context: mandate_id={mandate_id}, user_id={user_id}")
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return mandate_id, user_id |