Issue #3398906: Do not force 'social auth' based user to change password.

password_policy.module

@@ -398,6 +398,18 @@ function password_policy_cron() {
           }
         }
 
+        // Check for users logged in via 'social_auth'.
+        if (\Drupal::moduleHandler()->moduleExists('social_auth') && !empty($valid_list)) {
+          $social_auth_query = \Drupal::database()->select('social_auth');
+          $social_auth_query->innerJoin('users_field_data', 'users_field_data', 'users_field_data.uid = social_auth.user_id');
+          $social_auth_query->fields('social_auth', ['user_id']);
+          $social_auth_query->where('social_auth.user_id IN ( :uids[] )', [':uids[]' => $valid_list]);
+          $social_auth_user_ids = $social_auth_query->execute()->fetchCol();
+          // Remove the socially logged in users from the list to avoid setting
+          // the field_password_expiration to them.
+          $valid_list = array_diff($valid_list, $social_auth_user_ids);
+        }
+
         // Load User Objects.
         $users = \Drupal::entityTypeManager()
           ->getStorage('user')