- Modernized authentication with the introduction of TenantProject

- Created a base mail template
- Adapt and improve document API to usage of catalogs and processors
- Adapt eveai_sync to new authentication mechanism and usage of catalogs and processors

common/utils/security.py

@@ -1,5 +1,11 @@
 from flask import session, current_app
+from sqlalchemy import and_
+
 from common.models.user import Tenant
+from common.models.entitlements import License
+from common.utils.database import Database
+from common.utils.eveai_exceptions import EveAITenantNotFound, EveAITenantInvalid, EveAINoActiveLicense
+from datetime import datetime as dt, timezone as tz
 
 
 # Definition of Trigger Handlers
@@ -15,4 +21,25 @@ def clear_tenant_session_data(sender, user, **kwargs):
     session.pop('tenant', None)
     session.pop('default_language', None)
     session.pop('default_embedding_model', None)
-    session.pop('default_llm_model', None)
+    session.pop('default_llm_model', None)
+
+
+def is_valid_tenant(tenant_id):
+    if tenant_id == 1:  # The 'root' tenant, is always valid
+        return True
+    tenant = Tenant.query.get(tenant_id)
+    Database(tenant).switch_schema()
+    if tenant is None:
+        raise EveAITenantNotFound()
+    elif tenant.type == 'Inactive':
+        raise EveAITenantInvalid(tenant_id)
+    else:
+        current_date = dt.now(tz=tz.utc).date()
+        active_license = (License.query.filter_by(tenant_id=tenant_id)
+                          .filter(and_(License.start_date <= current_date,
+                                       License.end_date >= current_date))
+                          .one_or_none())
+        if not active_license:
+            raise EveAINoActiveLicense(tenant_id)
+
+    return True