Fix services

services/auth/app/core/auth.py

@@ -0,0 +1,132 @@
+"""
+Authentication dependency for auth service
+services/auth/app/core/auth.py
+"""
+
+from fastapi import Depends, HTTPException, status
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from jose import JWTError, jwt
+import logging
+
+from app.core.config import settings
+from app.core.database import get_db
+from app.models.users import User
+
+logger = logging.getLogger(__name__)
+
+security = HTTPBearer()
+
+async def get_current_user(
+    credentials: HTTPAuthorizationCredentials = Depends(security),
+    db: AsyncSession = Depends(get_db)
+) -> User:
+    """
+    Dependency to get the current authenticated user
+    """
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+
+    try:
+        # Decode JWT token
+        payload = jwt.decode(
+            credentials.credentials,
+            settings.JWT_SECRET_KEY,
+            algorithms=[settings.JWT_ALGORITHM]
+        )
+        
+        # Get user identifier from token
+        user_id: str = payload.get("sub")
+        if user_id is None:
+            logger.warning("Token payload missing 'sub' field")
+            raise credentials_exception
+
+        logger.info(f"Authenticating user: {user_id}")
+
+    except JWTError as e:
+        logger.warning(f"JWT decode error: {e}")
+        raise credentials_exception
+
+    try:
+        # Get user from database
+        result = await db.execute(
+            select(User).where(User.id == user_id)
+        )
+        user = result.scalar_one_or_none()
+        
+        if user is None:
+            logger.warning(f"User not found for ID: {user_id}")
+            raise credentials_exception
+        
+        if not user.is_active:
+            logger.warning(f"Inactive user attempted access: {user_id}")
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail="Inactive user"
+            )
+        
+        logger.info(f"User authenticated: {user.email} (tenant: {user.tenant_id})")
+        return user
+        
+    except Exception as e:
+        logger.error(f"Error getting user: {e}")
+        raise credentials_exception
+
+
+async def get_current_active_user(
+    current_user: User = Depends(get_current_user)
+) -> User:
+    """
+    Dependency to get the current active user
+    """
+    if not current_user.is_active:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Inactive user"
+        )
+    return current_user
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    """Verify a password against its hash"""
+    from passlib.context import CryptContext
+    pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+    return pwd_context.verify(plain_password, hashed_password)
+
+
+def get_password_hash(password: str) -> str:
+    """Generate password hash"""
+    from passlib.context import CryptContext
+    pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+    return pwd_context.hash(password)
+
+
+def create_access_token(data: dict, expires_delta=None):
+    """Create JWT access token"""
+    from datetime import datetime, timedelta
+    
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
+    return encoded_jwt
+
+
+def create_refresh_token(data: dict):
+    """Create JWT refresh token"""
+    from datetime import datetime, timedelta
+    
+    to_encode = data.copy()
+    expire = datetime.utcnow() + timedelta(days=settings.REFRESH_TOKEN_EXPIRE_DAYS)
+    to_encode.update({"exp": expire})
+    
+    encoded_jwt = jwt.encode(to_encode, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
+    return encoded_jwt