check for mail address is already in use

Summary: This fixes issue T5704

Reviewers: #web_administration_panel_developers, vanmeeuwen

Reviewed By: #web_administration_panel_developers, vanmeeuwen

Subscribers: vanmeeuwen

Maniphest Tasks: T5704

Differential Revision: https://git.kolab.org/D883

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/api/kolab_api_service_form_value.php b/lib/api/kolab_api_service_form_value.php
index 58799f6..2edee57 100644
--- a/lib/api/kolab_api_service_form_value.php
+++ b/lib/api/kolab_api_service_form_value.php
@@ -1276,6 +1276,11 @@ class kolab_api_service_form_value extends kolab_api_service
             }
         }
 
+        // Check if addresses are not already in use
+        if ($validation_type == self::VALIDATE_EXTENDED) {
+            $this->_email_addresses_in_use($value, 'mail', $postdata);
+        }
+
         return 'OK';
     }