landvex: Fixar och tester klara för alla komponenter

- Datafabrik: Dockerfile fix, agentorkestrering fungerar
- Vision: Identify-modell, FAISS, OCR alla testade
- API: Alla 7 integrationstester passerade
- Upplösare: Entitetsupplösning verifierad

landvex-admin/backend/app/api/deps.py

@@ -0,0 +1,83 @@
+"""API dependencies for authentication, authorization, and tenant resolution."""
+from typing import Annotated
+from uuid import UUID
+
+from fastapi import Depends, HTTPException, Header, status
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from sqlalchemy.orm import Session
+
+from app.database import get_db
+from app.core.security import decode_token
+from app.models.user import User
+from app.models.tenant import Tenant
+from app.core.permissions import has_permission
+
+security = HTTPBearer()
+
+
+async def get_current_user(
+    credentials: Annotated[HTTPAuthorizationCredentials, Depends(security)],
+    db: Session = Depends(get_db),
+) -> User:
+    """Validate JWT and return current user."""
+    try:
+        payload = decode_token(credentials.credentials)
+        user_id = UUID(payload["sub"])
+    except Exception:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid authentication credentials",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    user = db.query(User).filter(User.id == user_id).first()
+    if not user or user.status != "active":
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="User not found or inactive",
+        )
+
+    return user
+
+
+async def get_current_tenant(
+    x_tenant_id: Annotated[UUID, Header(..., alias="X-Tenant-ID")],
+    user: User = Depends(get_current_user),
+) -> Tenant:
+    """Validate user has access to the specified tenant."""
+    if user.tenant_id != x_tenant_id:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Access denied to this tenant",
+        )
+
+    return user.tenant
+
+
+class RequirePermission:
+    """Dependency factory for permission checking."""
+
+    def __init__(self, permission: str):
+        self.permission = permission
+
+    async def __call__(self, user: User = Depends(get_current_user)) -> User:
+        user_perms = set()
+        for role in user.roles:
+            user_perms.update(role.permissions)
+
+        if not has_permission(user_perms, self.permission):
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail=f"Missing permission: {self.permission}",
+            )
+        return user
+
+
+# Common permission dependencies
+RequireAdmin = Depends(RequirePermission("users.update"))
+RequireUserRead = Depends(RequirePermission("users.read"))
+RequireTenantManage = Depends(RequirePermission("tenants.manage"))
+RequireBillingRead = Depends(RequirePermission("billing.read"))
+RequireAuditRead = Depends(RequirePermission("audit.read"))
+RequireReportCreate = Depends(RequirePermission("reports.create"))
+RequireApiKeyCreate = Depends(RequirePermission("api_keys.create"))