copilot-swe-agent[bot]
130b53d37f
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
134 lines
4.1 KiB
Python
134 lines
4.1 KiB
Python
"""
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Authentication dependencies for FastAPI.
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"""
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from typing import Optional
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer, HTTPBearer, HTTPAuthorizationCredentials
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select
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from app.core.database import get_db
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from app.core.security import decode_token
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from app.models.database_models import User
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# OAuth2 scheme for token authentication
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl=f"/api/v1/auth/login", auto_error=False)
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http_bearer = HTTPBearer(auto_error=False)
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async def get_current_user(
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token: Optional[str] = Depends(oauth2_scheme),
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credentials: Optional[HTTPAuthorizationCredentials] = Depends(http_bearer),
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db: AsyncSession = Depends(get_db)
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) -> User:
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"""
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Get current authenticated user from JWT token.
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Supports both OAuth2 password bearer and HTTP Bearer authentication.
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"""
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# Get token from either source
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auth_token = token or (credentials.credentials if credentials else None)
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if not auth_token:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Not authenticated",
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headers={"WWW-Authenticate": "Bearer"},
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)
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# Decode token
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payload = decode_token(auth_token)
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if not payload:
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raise 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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# Verify token type
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token_type = payload.get("type")
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if token_type != "access":
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid token type",
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headers={"WWW-Authenticate": "Bearer"},
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)
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# Get user ID from token
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user_id: Optional[int] = payload.get("sub")
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if user_id is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid token payload",
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headers={"WWW-Authenticate": "Bearer"},
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)
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# Fetch user from database
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result = await db.execute(select(User).where(User.id == user_id))
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user = result.scalar_one_or_none()
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if user is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="User not found",
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headers={"WWW-Authenticate": "Bearer"},
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)
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if not user.is_active:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="User account is inactive"
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)
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return user
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async def get_current_active_user(
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current_user: User = Depends(get_current_user),
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) -> User:
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"""Get current active user"""
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if not current_user.is_active:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Inactive user"
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)
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return current_user
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async def get_current_superuser(
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current_user: User = Depends(get_current_user),
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) -> User:
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"""Get current superuser"""
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if not current_user.is_superuser:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Not enough permissions"
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)
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return current_user
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def check_subscription_tier(required_tier: str):
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"""
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Dependency factory to check if user has required subscription tier.
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Returns a dependency function.
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"""
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tier_hierarchy = {
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"free": 0,
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"basic": 1,
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"pro": 2,
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"enterprise": 3
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}
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async def check_tier(current_user: User = Depends(get_current_active_user)) -> User:
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user_tier_level = tier_hierarchy.get(current_user.subscription_tier.value, 0)
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required_tier_level = tier_hierarchy.get(required_tier, 0)
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if user_tier_level < required_tier_level:
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raise HTTPException(
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status_code=status.HTTP_402_PAYMENT_REQUIRED,
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detail=f"This feature requires {required_tier} subscription or higher"
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)
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return current_user
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return check_tier
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