Implement the autocomplete blocker from #18341 into the OCS endpoint

apps/files_sharing/api/sharees.php

@@ -121,6 +121,11 @@ protected function getUsers($search, $shareWithGroupOnly) {
  continue;
  }
 
+ if ($this->filterAutocompletion($search, $uid, $displayName)) {
+ // Do not allow autocompletion if disabled
+ continue;
+ }
+
  $sharees[] = [
  'label' => $displayName,
  'value' => [
@@ -152,6 +157,11 @@ protected function getGroups($search, $shareWithGroupOnly) {
  }
 
  foreach ($groups as $gid) {
+ if ($this->filterAutocompletion($search, $gid, $gid)) {
+ // Do not allow autocompletion if disabled
+ continue;
+ }
+
  $sharees[] = [
  'label' => $gid,
  'value' => [
@@ -187,6 +197,11 @@ protected function getRemote($search) {
  foreach ($addressBookContacts as $contact) {
  if (isset($contact['CLOUD'])) {
  foreach ($contact['CLOUD'] as $cloudId) {
+ if ($this->filterAutocompletion($search, $cloudId, $contact['FN'])) {
+ // Do not allow autocompletion if disabled
+ continue;
+ }
+
  $sharees[] = [
  'label' => $contact['FN'] . ' (' . $cloudId . ')',
  'value' => [
@@ -201,6 +216,20 @@ protected function getRemote($search) {
  return $sharees;
  }
 
+ /**
+ * @param string $search
+ * @param string $sharee
+ * @param string $label
+ * @return bool True if the entry is an autocomplete hint, false otherwise
+ */
+ protected function filterAutocompletion($search, $sharee, $label) {
+ if ($this->config->getSystemValue('webui-sharing-autocompletion.enabled', true)) {
+ return false;
+ }
+
+ return $search !== $sharee && $search !== $label;
+ }
+
  /**
  * @return \OC_OCS_Result
  */