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libraries/vendor/symfony/ldap/Adapter/ExtLdap/Adapter.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Ldap\Adapter\ExtLdap;
+
+use Symfony\Component\Ldap\Adapter\AdapterInterface;
+use Symfony\Component\Ldap\Adapter\ConnectionInterface;
+use Symfony\Component\Ldap\Adapter\EntryManagerInterface;
+use Symfony\Component\Ldap\Adapter\QueryInterface;
+use Symfony\Component\Ldap\Exception\LdapException;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+class Adapter implements AdapterInterface
+{
+    private array $config;
+    private ConnectionInterface $connection;
+    private EntryManagerInterface $entryManager;
+
+    public function __construct(array $config = [])
+    {
+        if (!\extension_loaded('ldap')) {
+            throw new LdapException('The LDAP PHP extension is not enabled.');
+        }
+
+        $this->config = $config;
+    }
+
+    public function getConnection(): ConnectionInterface
+    {
+        return $this->connection ??= new Connection($this->config);
+    }
+
+    public function getEntryManager(): EntryManagerInterface
+    {
+        return $this->entryManager ??= new EntryManager($this->getConnection());
+    }
+
+    public function createQuery(string $dn, string $query, array $options = []): QueryInterface
+    {
+        return new Query($this->getConnection(), $dn, $query, $options);
+    }
+
+    public function escape(string $subject, string $ignore = '', int $flags = 0): string
+    {
+        $value = ldap_escape($subject, $ignore, $flags);
+
+        // Per RFC 4514, leading/trailing spaces should be encoded in DNs, as well as carriage returns.
+        if ($flags & \LDAP_ESCAPE_DN) {
+            if (!empty($value) && ' ' === $value[0]) {
+                $value = '\\20'.substr($value, 1);
+            }
+            if (!empty($value) && ' ' === $value[\strlen($value) - 1]) {
+                $value = substr($value, 0, -1).'\\20';
+            }
+            $value = str_replace("\r", '\0d', $value);
+        }
+
+        return $value;
+    }
+}