protected function LdapTransformationTraits::ldapEscapeDn in Lightweight Directory Access Protocol (LDAP) 8.4

Wrapper for ldap_escape().

Helpful for unit testing without the PHP LDAP module.

Parameters

string $value: String to escape.

Return value

string Escaped string.

2 calls to LdapTransformationTraits::ldapEscapeDn()

LdapGroupManager::groupMembershipsFromEntryRecursive in ldap_servers/src/LdapGroupManager.php

Recurse through all groups, adding parent groups to $all_group_dns array.

LdapGroupManager::groupUserMembershipsFromUserAttr in ldap_servers/src/LdapGroupManager.php

Get list of groups that a user is a member of using the memberOf attribute.

File

ldap_servers/src/LdapTransformationTraits.php, line 23

Class

LdapTransformationTraits

Helper functions to work around hard dependencies on the LDAP extension.

Namespace

Drupal\ldap_servers

Code

protected function ldapEscapeDn($value) : string {
  if (\function_exists('ldap_escape')) {
    $value = ldap_escape($value, '', LDAP_ESCAPE_DN);
  }
  else {
    $value = self::php56PolyfillLdapEscape($value, '', 2);
  }

  // Copied from Symfonfy's Adapter.php for ease of use.
  // Per RFC 4514, leading/trailing spaces should be encoded in DNs,
  // as well as carriage returns.
  if (!empty($value) && strpos($value, ' ') === 0) {
    $value = '\\20' . substr($value, 1);
  }
  if (!empty($value) && $value[\strlen($value) - 1] === ' ') {
    $value = substr($value, 0, -1) . '\\20';
  }
  return str_replace("\r", '\\0d', $value);
}