Hartmut
251dd703ed
Migration 035: tenants table with 'Schaeffler' default seed. Migration 036: tenant_id FK on all tables, RLS policies, backfill. New domains/tenants/ with CRUD router (admin only). All domain models extended with tenant_id FK. core/database.py: get_db_for_tenant with RLS context setter. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
94 lines
3.2 KiB
Python
94 lines
3.2 KiB
Python
"""JWT authentication utilities."""
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import uuid
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from datetime import datetime, timedelta
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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 HTTPBearer, HTTPAuthorizationCredentials, HTTPBearer as _HTTPBearer
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select
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from app.config import settings
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from app.database import get_db
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from app.models.user import User
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bearer_scheme_optional = _HTTPBearer(auto_error=False)
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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bearer_scheme = HTTPBearer()
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def hash_password(password: str) -> str:
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return pwd_context.hash(password)
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def verify_password(plain: str, hashed: str) -> bool:
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return pwd_context.verify(plain, hashed)
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def create_access_token(user_id: str, role: str) -> str:
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expires = datetime.utcnow() + timedelta(minutes=settings.jwt_access_token_expire_minutes)
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payload = {"sub": user_id, "role": role, "exp": expires}
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return jwt.encode(payload, settings.jwt_secret_key, algorithm=settings.jwt_algorithm)
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def decode_token(token: str) -> dict:
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try:
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return jwt.decode(token, settings.jwt_secret_key, algorithms=[settings.jwt_algorithm])
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except JWTError as exc:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token") from exc
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async def get_current_user(
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credentials: HTTPAuthorizationCredentials = Depends(bearer_scheme),
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db: AsyncSession = Depends(get_db),
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) -> User:
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payload = decode_token(credentials.credentials)
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user_id = payload.get("sub")
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if not user_id:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token")
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result = await db.execute(select(User).where(User.id == uuid.UUID(user_id)))
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user = result.scalar_one_or_none()
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if not user or not user.is_active:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="User not found or inactive")
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return user
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async def require_admin(user: User = Depends(get_current_user)) -> User:
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if user.role.value != "admin":
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Admin access required")
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return user
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async def require_admin_or_pm(user: User = Depends(get_current_user)) -> User:
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if user.role.value not in ("admin", "project_manager"):
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Admin or Project Manager access required",
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)
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return user
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async def get_current_user_optional(
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credentials: Optional[HTTPAuthorizationCredentials] = Depends(bearer_scheme_optional),
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db: AsyncSession = Depends(get_db),
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) -> Optional[User]:
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"""Return current user if a valid Bearer token is provided, otherwise None."""
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if not credentials:
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return None
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try:
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payload = decode_token(credentials.credentials)
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except HTTPException:
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return None
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user_id = payload.get("sub")
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if not user_id:
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return None
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result = await db.execute(select(User).where(User.id == uuid.UUID(user_id)))
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user = result.scalar_one_or_none()
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if not user or not user.is_active:
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return None
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return user
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