Disallow users to delete their own accounts

settings/ajax/removeuser.php

@@ -8,6 +8,11 @@ OCP\JSON::callCheck();
 
 $username = $_POST["username"];
 
+// A user shouldn't be able to delete his own account
+if(OC_User::getUser() === $username) {
+	exit;
+}
+
 if(!OC_Group::inGroup(OC_User::getUser(), 'admin') && !OC_SubAdmin::isUserAccessible(OC_User::getUser(), $username)) {
 	$l = OC_L10N::get('core');
 	OC_JSON::error(array( 'data' => array( 'message' => $l->t('Authentication error') )));
@@ -20,4 +25,4 @@ if( OC_User::deleteUser( $username )) {
 }
 else{
 	OC_JSON::error(array("data" => array( "message" => $l->t("Unable to delete user") )));
-}
+}
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