fix: [login/diagnostic] Return data with the expected format

diagnostic.py

@@ -15,6 +15,8 @@ try:
     import json
     import flask
     import requests
+    from requests.packages.urllib3.exceptions import InsecureRequestWarning
+    requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
     from halo import Halo
 except ModuleNotFoundError as e:
     print('Dependency not met. Either not in a virtualenv or dependency not installed.')
@@ -441,7 +443,7 @@ def check_server_dynamic_enpoint(spinner):
     if '/login' in r_login.url:
         o = urlparse(r_login.url)
         query = parse_qs(o.query)
-        error_message = query.get('auth_error_message', 'Unknown error')[0]
+        error_message = query.get('auth_error_message', ['Unknown error'])[0]
         return_text = error_message
         return (False, return_text)
 

server.py

@@ -143,9 +143,11 @@ class User(UserMixin):
             # Logged in, check if logged in user can access the dashboard
             me_json = session.get(misp_user_me_page).json()
             dashboard_access = me_json.get('UserSetting', {}).get('dashboard_access', False)
-            if dashboard_access is not False:
-                return dashboard_access is True or dashboard_access == 1
-        return None
+            if dashboard_access is True or dashboard_access == 1:
+                return (True, '')
+            else:
+                return (None, 'User does not have dashboard access')
+        return (None, '')
 
 
 @login_manager.user_loader