Initial commit of LDAP plugin

vendor/symfony/ldap/.gitignore

@@ -0,0 +1,3 @@
+vendor/
+composer.lock
+phpunit.xml

vendor/symfony/ldap/Adapter/AbstractConnection.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;
+
+use Symfony\Component\OptionsResolver\Options;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+abstract class AbstractConnection implements ConnectionInterface
+{
+    protected $config;
+
+    public function __construct(array $config = array())
+    {
+        $resolver = new OptionsResolver();
+
+        $this->configureOptions($resolver);
+
+        $this->config = $resolver->resolve($config);
+    }
+
+    /**
+     * Configures the adapter's options.
+     *
+     * @param OptionsResolver $resolver An OptionsResolver instance
+     */
+    protected function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults(array(
+            'host' => 'localhost',
+            'version' => 3,
+            'connection_string' => null,
+            'encryption' => 'none',
+            'options' => array(),
+        ));
+
+        $resolver->setDefault('port', function (Options $options) {
+            return 'ssl' === $options['encryption'] ? 636 : 389;
+        });
+
+        $resolver->setDefault('connection_string', function (Options $options) {
+            return sprintf('ldap%s://%s:%s', 'ssl' === $options['encryption'] ? 's' : '', $options['host'], $options['port']);
+        });
+
+        $resolver->setAllowedTypes('host', 'string');
+        $resolver->setAllowedTypes('port', 'numeric');
+        $resolver->setAllowedTypes('connection_string', 'string');
+        $resolver->setAllowedTypes('version', 'numeric');
+        $resolver->setAllowedValues('encryption', array('none', 'ssl', 'tls'));
+        $resolver->setAllowedTypes('options', 'array');
+    }
+}

vendor/symfony/ldap/Adapter/AbstractQuery.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;
+
+use Symfony\Component\OptionsResolver\Options;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+abstract class AbstractQuery implements QueryInterface
+{
+    protected $connection;
+    protected $dn;
+    protected $query;
+    protected $options;
+
+    public function __construct(ConnectionInterface $connection, $dn, $query, array $options = array())
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefaults(array(
+            'filter' => '*',
+            'maxItems' => 0,
+            'sizeLimit' => 0,
+            'timeout' => 0,
+            'deref' => static::DEREF_NEVER,
+            'attrsOnly' => 0,
+            'scope' => static::SCOPE_SUB,
+        ));
+        $resolver->setAllowedValues('deref', array(static::DEREF_ALWAYS, static::DEREF_NEVER, static::DEREF_FINDING, static::DEREF_SEARCHING));
+        $resolver->setAllowedValues('scope', array(static::SCOPE_BASE, static::SCOPE_ONE, static::SCOPE_SUB));
+
+        $resolver->setNormalizer('filter', function (Options $options, $value) {
+            return is_array($value) ? $value : array($value);
+        });
+
+        $this->connection = $connection;
+        $this->dn = $dn;
+        $this->query = $query;
+        $this->options = $resolver->resolve($options);
+    }
+}

vendor/symfony/ldap/Adapter/AdapterInterface.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;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+interface AdapterInterface
+{
+    /**
+     * Returns the current connection.
+     *
+     * @return ConnectionInterface
+     */
+    public function getConnection();
+
+    /**
+     * Creates a new Query.
+     *
+     * @param string $dn
+     * @param string $query
+     * @param array  $options
+     *
+     * @return QueryInterface
+     */
+    public function createQuery($dn, $query, array $options = array());
+
+    /**
+     * Fetches the entry manager instance.
+     *
+     * @return EntryManagerInterface
+     */
+    public function getEntryManager();
+
+    /**
+     * Escape a string for use in an LDAP filter or DN.
+     *
+     * @param string $subject
+     * @param string $ignore
+     * @param int    $flags
+     *
+     * @return string
+     */
+    public function escape($subject, $ignore = '', $flags = 0);
+}

vendor/symfony/ldap/Adapter/CollectionInterface.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;
+
+use Symfony\Component\Ldap\Entry;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+interface CollectionInterface extends \Countable, \IteratorAggregate, \ArrayAccess
+{
+    /**
+     * @return Entry[]
+     */
+    public function toArray();
+}

vendor/symfony/ldap/Adapter/ConnectionInterface.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;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+interface ConnectionInterface
+{
+    /**
+     * Checks whether the connection was already bound or not.
+     *
+     * @return bool
+     */
+    public function isBound();
+
+    /**
+     * Binds the connection against a DN and password.
+     *
+     * @param string $dn       The user's DN
+     * @param string $password The associated password
+     */
+    public function bind($dn = null, $password = null);
+}

vendor/symfony/ldap/Adapter/EntryManagerInterface.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;
+
+use Symfony\Component\Ldap\Entry;
+use Symfony\Component\Ldap\Exception\LdapException;
+use Symfony\Component\Ldap\Exception\NotBoundException;
+
+/**
+ * Entry manager interface.
+ *
+ * @author Charles Sarrazin <charles@sarraz.in>
+ * @author Bob van de Vijver <bobvandevijver@hotmail.com>
+ */
+interface EntryManagerInterface
+{
+    /**
+     * Adds a new entry in the Ldap server.
+     *
+     * @param Entry $entry
+     *
+     * @throws NotBoundException
+     * @throws LdapException
+     */
+    public function add(Entry $entry);
+
+    /**
+     * Updates an entry from the Ldap server.
+     *
+     * @param Entry $entry
+     *
+     * @throws NotBoundException
+     * @throws LdapException
+     */
+    public function update(Entry $entry);
+
+    /**
+     * Removes an entry from the Ldap server.
+     *
+     * @param Entry $entry
+     *
+     * @throws NotBoundException
+     * @throws LdapException
+     */
+    public function remove(Entry $entry);
+}

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\Exception\LdapException;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+class Adapter implements AdapterInterface
+{
+    private $config;
+    private $connection;
+    private $entryManager;
+
+    public function __construct(array $config = array())
+    {
+        if (!extension_loaded('ldap')) {
+            throw new LdapException('The LDAP PHP extension is not enabled.');
+        }
+
+        $this->config = $config;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getConnection()
+    {
+        if (null === $this->connection) {
+            $this->connection = new Connection($this->config);
+        }
+
+        return $this->connection;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getEntryManager()
+    {
+        if (null === $this->entryManager) {
+            $this->entryManager = new EntryManager($this->getConnection());
+        }
+
+        return $this->entryManager;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function createQuery($dn, $query, array $options = array())
+    {
+        return new Query($this->getConnection(), $dn, $query, $options);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function escape($subject, $ignore = '', $flags = 0)
+    {
+        $value = ldap_escape($subject, $ignore, $flags);
+
+        // Per RFC 4514, leading/trailing spaces should be encoded in DNs, as well as carriage returns.
+        if ((int) $flags & LDAP_ESCAPE_DN) {
+            if (!empty($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;
+    }
+}

vendor/symfony/ldap/Adapter/ExtLdap/Collection.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\CollectionInterface;
+use Symfony\Component\Ldap\Entry;
+use Symfony\Component\Ldap\Exception\LdapException;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+class Collection implements CollectionInterface
+{
+    private $connection;
+    private $search;
+    private $entries;
+
+    public function __construct(Connection $connection, Query $search)
+    {
+        $this->connection = $connection;
+        $this->search = $search;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function toArray()
+    {
+        if (null === $this->entries) {
+            $this->entries = iterator_to_array($this->getIterator(), false);
+        }
+
+        return $this->entries;
+    }
+
+    public function count()
+    {
+        if (false !== $count = ldap_count_entries($this->connection->getResource(), $this->search->getResource())) {
+            return $count;
+        }
+
+        throw new LdapException(sprintf('Error while retrieving entry count: %s.', ldap_error($this->connection->getResource())));
+    }
+
+    public function getIterator()
+    {
+        $con = $this->connection->getResource();
+        $search = $this->search->getResource();
+        $current = ldap_first_entry($con, $search);
+
+        if (0 === $this->count()) {
+            return;
+        }
+
+        if (false === $current) {
+            throw new LdapException(sprintf('Could not rewind entries array: %s.', ldap_error($con)));
+        }
+
+        yield $this->getSingleEntry($con, $current);
+
+        while (false !== $current = ldap_next_entry($con, $current)) {
+            yield $this->getSingleEntry($con, $current);
+        }
+    }
+
+    public function offsetExists($offset)
+    {
+        $this->toArray();
+
+        return isset($this->entries[$offset]);
+    }
+
+    public function offsetGet($offset)
+    {
+        $this->toArray();
+
+        return isset($this->entries[$offset]) ? $this->entries[$offset] : null;
+    }
+
+    public function offsetSet($offset, $value)
+    {
+        $this->toArray();
+
+        $this->entries[$offset] = $value;
+    }
+
+    public function offsetUnset($offset)
+    {
+        $this->toArray();
+
+        unset($this->entries[$offset]);
+    }
+
+    private function getSingleEntry($con, $current)
+    {
+        $attributes = ldap_get_attributes($con, $current);
+
+        if (false === $attributes) {
+            throw new LdapException(sprintf('Could not fetch attributes: %s.', ldap_error($con)));
+        }
+
+        $attributes = $this->cleanupAttributes($attributes);
+
+        $dn = ldap_get_dn($con, $current);
+
+        if (false === $dn) {
+            throw new LdapException(sprintf('Could not fetch DN: %s.', ldap_error($con)));
+        }
+
+        return new Entry($dn, $attributes);
+    }
+
+    private function cleanupAttributes(array $entry)
+    {
+        $attributes = array_diff_key($entry, array_flip(range(0, $entry['count'] - 1)) + array(
+                'count' => null,
+                'dn' => null,
+            ));
+        array_walk($attributes, function (&$value) {
+            unset($value['count']);
+        });
+
+        return $attributes;
+    }
+}

vendor/symfony/ldap/Adapter/ExtLdap/Connection.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\AbstractConnection;
+use Symfony\Component\Ldap\Exception\ConnectionException;
+use Symfony\Component\Ldap\Exception\LdapException;
+use Symfony\Component\OptionsResolver\Options;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+class Connection extends AbstractConnection
+{
+    /** @var bool */
+    private $bound = false;
+
+    /** @var resource */
+    private $connection;
+
+    public function __destruct()
+    {
+        $this->disconnect();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isBound()
+    {
+        return $this->bound;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function bind($dn = null, $password = null)
+    {
+        if (!$this->connection) {
+            $this->connect();
+        }
+
+        if (false === @ldap_bind($this->connection, $dn, $password)) {
+            throw new ConnectionException(ldap_error($this->connection));
+        }
+
+        $this->bound = true;
+    }
+
+    /**
+     * Returns a link resource.
+     *
+     * @return resource
+     *
+     * @internal
+     */
+    public function getResource()
+    {
+        return $this->connection;
+    }
+
+    public function setOption($name, $value)
+    {
+        if (!@ldap_set_option($this->connection, ConnectionOptions::getOption($name), $value)) {
+            throw new LdapException(sprintf('Could not set value "%s" for option "%s".', $value, $name));
+        }
+    }
+
+    public function getOption($name)
+    {
+        if (!@ldap_get_option($this->connection, ConnectionOptions::getOption($name), $ret)) {
+            throw new LdapException(sprintf('Could not retrieve value for option "%s".', $name));
+        }
+
+        return $ret;
+    }
+
+    protected function configureOptions(OptionsResolver $resolver)
+    {
+        parent::configureOptions($resolver);
+
+        $resolver->setDefault('debug', false);
+        $resolver->setAllowedTypes('debug', 'bool');
+        $resolver->setDefault('referrals', false);
+        $resolver->setAllowedTypes('referrals', 'bool');
+
+        $resolver->setNormalizer('options', function (Options $options, $value) {
+            if (true === $options['debug']) {
+                $value['debug_level'] = 7;
+            }
+
+            if (!isset($value['protocol_version'])) {
+                $value['protocol_version'] = $options['version'];
+            }
+
+            if (!isset($value['referrals'])) {
+                $value['referrals'] = $options['referrals'];
+            }
+
+            return $value;
+        });
+
+        $resolver->setAllowedValues('options', function (array $values) {
+            foreach ($values as $name => $value) {
+                if (!ConnectionOptions::isOption($name)) {
+                    return false;
+                }
+            }
+
+            return true;
+        });
+    }
+
+    private function connect()
+    {
+        if ($this->connection) {
+            return;
+        }
+
+        $this->connection = ldap_connect($this->config['connection_string']);
+
+        foreach ($this->config['options'] as $name => $value) {
+            $this->setOption($name, $value);
+        }
+
+        if (false === $this->connection) {
+            throw new LdapException(sprintf('Could not connect to Ldap server: %s.', ldap_error($this->connection)));
+        }
+
+        if ('tls' === $this->config['encryption'] && false === ldap_start_tls($this->connection)) {
+            throw new LdapException(sprintf('Could not initiate TLS connection: %s.', ldap_error($this->connection)));
+        }
+    }
+
+    private function disconnect()
+    {
+        if ($this->connection && is_resource($this->connection)) {
+            ldap_close($this->connection);
+        }
+
+        $this->connection = null;
+        $this->bound = false;
+    }
+}

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

@@ -0,0 +1,78 @@
+<?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\Exception\LdapException;
+
+/**
+ * A class representing the Ldap extension's options, which can be used with
+ * ldap_set_option or ldap_get_option.
+ *
+ * @author Charles Sarrazin <charles@sarraz.in>
+ *
+ * @internal
+ */
+final class ConnectionOptions
+{
+    const API_INFO = 0x00;
+    const DEREF = 0x02;
+    const SIZELIMIT = 0x03;
+    const TIMELIMIT = 0x04;
+    const REFERRALS = 0x08;
+    const RESTART = 0x09;
+    const PROTOCOL_VERSION = 0x11;
+    const SERVER_CONTROLS = 0x12;
+    const CLIENT_CONTROLS = 0x13;
+    const API_FEATURE_INFO = 0x15;
+    const HOST_NAME = 0x30;
+    const ERROR_NUMBER = 0x31;
+    const ERROR_STRING = 0x32;
+    const MATCHED_DN = 0x33;
+    const DEBUG_LEVEL = 0x5001;
+    const NETWORK_TIMEOUT = 0x5005;
+    const X_SASL_MECH = 0x6100;
+    const X_SASL_REALM = 0x6101;
+    const X_SASL_AUTHCID = 0x6102;
+    const X_SASL_AUTHZID = 0x6103;
+
+    public static function getOptionName($name)
+    {
+        return sprintf('%s::%s', self::class, strtoupper($name));
+    }
+
+    /**
+     * Fetches an option's corresponding constant value from an option name.
+     * The option name can either be in snake or camel case.
+     *
+     * @param string $name
+     *
+     * @return int
+     *
+     * @throws LdapException
+     */
+    public static function getOption($name)
+    {
+        // Convert
+        $constantName = self::getOptionName($name);
+
+        if (!defined($constantName)) {
+            throw new LdapException(sprintf('Unknown option "%s".', $name));
+        }
+
+        return constant($constantName);
+    }
+
+    public static function isOption($name)
+    {
+        return defined(self::getOptionName($name));
+    }
+}

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

@@ -0,0 +1,95 @@
+<?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\EntryManagerInterface;
+use Symfony\Component\Ldap\Adapter\RenameEntryInterface;
+use Symfony\Component\Ldap\Entry;
+use Symfony\Component\Ldap\Exception\LdapException;
+use Symfony\Component\Ldap\Exception\NotBoundException;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ * @author Bob van de Vijver <bobvandevijver@hotmail.com>
+ */
+class EntryManager implements EntryManagerInterface, RenameEntryInterface
+{
+    private $connection;
+
+    public function __construct(Connection $connection)
+    {
+        $this->connection = $connection;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function add(Entry $entry)
+    {
+        $con = $this->getConnectionResource();
+
+        if (!@ldap_add($con, $entry->getDn(), $entry->getAttributes())) {
+            throw new LdapException(sprintf('Could not add entry "%s": %s.', $entry->getDn(), ldap_error($con)));
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function update(Entry $entry)
+    {
+        $con = $this->getConnectionResource();
+
+        if (!@ldap_modify($con, $entry->getDn(), $entry->getAttributes())) {
+            throw new LdapException(sprintf('Could not update entry "%s": %s.', $entry->getDn(), ldap_error($con)));
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function remove(Entry $entry)
+    {
+        $con = $this->getConnectionResource();
+
+        if (!@ldap_delete($con, $entry->getDn())) {
+            throw new LdapException(sprintf('Could not remove entry "%s": %s.', $entry->getDn(), ldap_error($con)));
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rename(Entry $entry, $newRdn, $removeOldRdn = true)
+    {
+        $con = $this->getConnectionResource();
+
+        if (!@ldap_rename($con, $entry->getDn(), $newRdn, null, $removeOldRdn)) {
+            throw new LdapException(sprintf('Could not rename entry "%s" to "%s": %s.', $entry->getDn(), $newRdn, ldap_error($con)));
+        }
+    }
+
+    /**
+     * Get the connection resource, but first check if the connection is bound.
+     */
+    private function getConnectionResource()
+    {
+        // If the connection is not bound, throw an exception. Users should use an explicit bind call first.
+        if (!$this->connection->isBound()) {
+            throw new NotBoundException('Query execution is not possible without binding the connection first.');
+        }
+
+        return $this->connection->getResource();
+    }
+}

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

@@ -0,0 +1,109 @@
+<?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\AbstractQuery;
+use Symfony\Component\Ldap\Exception\LdapException;
+use Symfony\Component\Ldap\Exception\NotBoundException;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ * @author Bob van de Vijver <bobvandevijver@hotmail.com>
+ */
+class Query extends AbstractQuery
+{
+    /** @var Connection */
+    protected $connection;
+
+    /** @var resource */
+    private $search;
+
+    public function __construct(Connection $connection, $dn, $query, array $options = array())
+    {
+        parent::__construct($connection, $dn, $query, $options);
+    }
+
+    public function __destruct()
+    {
+        $con = $this->connection->getResource();
+        $this->connection = null;
+
+        if (null === $this->search || false === $this->search) {
+            return;
+        }
+
+        $success = ldap_free_result($this->search);
+        $this->search = null;
+
+        if (!$success) {
+            throw new LdapException(sprintf('Could not free results: %s.', ldap_error($con)));
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function execute()
+    {
+        if (null === $this->search) {
+            // If the connection is not bound, throw an exception. Users should use an explicit bind call first.
+            if (!$this->connection->isBound()) {
+                throw new NotBoundException('Query execution is not possible without binding the connection first.');
+            }
+
+            $con = $this->connection->getResource();
+
+            switch ($this->options['scope']) {
+                case static::SCOPE_BASE:
+                    $func = 'ldap_read';
+                    break;
+                case static::SCOPE_ONE:
+                    $func = 'ldap_list';
+                    break;
+                case static::SCOPE_SUB:
+                    $func = 'ldap_search';
+                    break;
+                default:
+                    throw new LdapException(sprintf('Could not search in scope "%s".', $this->options['scope']));
+            }
+
+            $this->search = @$func(
+                $con,
+                $this->dn,
+                $this->query,
+                $this->options['filter'],
+                $this->options['attrsOnly'],
+                $this->options['maxItems'],
+                $this->options['timeout'],
+                $this->options['deref']
+            );
+        }
+
+        if (false === $this->search) {
+            throw new LdapException(sprintf('Could not complete search with dn "%s", query "%s" and filters "%s".', $this->dn, $this->query, implode(',', $this->options['filter'])));
+        }
+
+        return new Collection($this->connection, $this);
+    }
+
+    /**
+     * Returns a LDAP search resource.
+     *
+     * @return resource
+     *
+     * @internal
+     */
+    public function getResource()
+    {
+        return $this->search;
+    }
+}

vendor/symfony/ldap/Adapter/QueryInterface.php

@@ -0,0 +1,42 @@
+<?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;
+
+use Symfony\Component\Ldap\Entry;
+use Symfony\Component\Ldap\Exception\LdapException;
+use Symfony\Component\Ldap\Exception\NotBoundException;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ * @author Bob van de Vijver <bobvandevijver@hotmail.com>
+ */
+interface QueryInterface
+{
+    const DEREF_NEVER = 0x00;
+    const DEREF_SEARCHING = 0x01;
+    const DEREF_FINDING = 0x02;
+    const DEREF_ALWAYS = 0x03;
+
+    const SCOPE_BASE = 'base';
+    const SCOPE_ONE = 'one';
+    const SCOPE_SUB = 'sub';
+
+    /**
+     * Executes a query and returns the list of Ldap entries.
+     *
+     * @return CollectionInterface|Entry[]
+     *
+     * @throws NotBoundException
+     * @throws LdapException
+     */
+    public function execute();
+}

vendor/symfony/ldap/Adapter/RenameEntryInterface.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Symfony\Component\Ldap\Adapter;
+
+use Symfony\Component\Ldap\Entry;
+
+/**
+ * @author Kevin Schuurmans <kevin.schuurmans@freshheads.com>
+ *
+ * @deprecated since version 3.3, will be merged with {@link EntryManagerInterface} in 4.0.
+ */
+interface RenameEntryInterface
+{
+    /**
+     * Renames an entry on the Ldap server.
+     *
+     * @param Entry  $entry
+     * @param string $newRdn
+     * @param bool   $removeOldRdn
+     */
+    public function rename(Entry $entry, $newRdn, $removeOldRdn = true);
+}

vendor/symfony/ldap/CHANGELOG.md

@@ -0,0 +1,12 @@
+CHANGELOG
+=========
+
+3.3.0
+-----
+
+* The `RenameEntryInterface` inferface is deprecated, and will be merged with `EntryManagerInterface` in 4.0.
+
+3.1.0
+-----
+
+ * The `LdapClient` class is deprecated. Use the `Ldap` class instead.

vendor/symfony/ldap/Entry.php

@@ -0,0 +1,95 @@
+<?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;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+class Entry
+{
+    private $dn;
+    private $attributes;
+
+    public function __construct($dn, array $attributes = array())
+    {
+        $this->dn = $dn;
+        $this->attributes = $attributes;
+    }
+
+    /**
+     * Returns the entry's DN.
+     *
+     * @return string
+     */
+    public function getDn()
+    {
+        return $this->dn;
+    }
+
+    /**
+     * Returns whether an attribute exists.
+     *
+     * @param $name string The name of the attribute
+     *
+     * @return bool
+     */
+    public function hasAttribute($name)
+    {
+        return isset($this->attributes[$name]);
+    }
+
+    /**
+     * Returns a specific attribute's value.
+     *
+     * As LDAP can return multiple values for a single attribute,
+     * this value is returned as an array.
+     *
+     * @param $name string The name of the attribute
+     *
+     * @return null|array
+     */
+    public function getAttribute($name)
+    {
+        return isset($this->attributes[$name]) ? $this->attributes[$name] : null;
+    }
+
+    /**
+     * Returns the complete list of attributes.
+     *
+     * @return array
+     */
+    public function getAttributes()
+    {
+        return $this->attributes;
+    }
+
+    /**
+     * Sets a value for the given attribute.
+     *
+     * @param string $name
+     * @param array  $value
+     */
+    public function setAttribute($name, array $value)
+    {
+        $this->attributes[$name] = $value;
+    }
+
+    /**
+     * Removes a given attribute.
+     *
+     * @param string $name
+     */
+    public function removeAttribute($name)
+    {
+        unset($this->attributes[$name]);
+    }
+}

vendor/symfony/ldap/Exception/ConnectionException.php

@@ -0,0 +1,21 @@
+<?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\Exception;
+
+/**
+ * ConnectionException is throw if binding to ldap can not be established.
+ *
+ * @author Grégoire Pineau <lyrixx@lyrixx.info>
+ */
+class ConnectionException extends \RuntimeException implements ExceptionInterface
+{
+}

vendor/symfony/ldap/Exception/DriverNotFoundException.php

@@ -0,0 +1,21 @@
+<?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\Exception;
+
+/**
+ * LdapException is throw if php ldap module is not loaded.
+ *
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+class DriverNotFoundException extends \RuntimeException implements ExceptionInterface
+{
+}

vendor/symfony/ldap/Exception/ExceptionInterface.php

@@ -0,0 +1,21 @@
+<?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\Exception;
+
+/**
+ * Base ExceptionInterface for the Ldap component.
+ *
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+interface ExceptionInterface
+{
+}

vendor/symfony/ldap/Exception/LdapException.php

@@ -0,0 +1,21 @@
+<?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\Exception;
+
+/**
+ * LdapException is throw if php ldap module is not loaded.
+ *
+ * @author Grégoire Pineau <lyrixx@lyrixx.info>
+ */
+class LdapException extends \RuntimeException implements ExceptionInterface
+{
+}

vendor/symfony/ldap/Exception/NotBoundException.php

@@ -0,0 +1,21 @@
+<?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\Exception;
+
+/**
+ * NotBoundException is thrown if the connection with the LDAP server is not yet bound.
+ *
+ * @author Bob van de Vijver <bobvandevijver@hotmail.com>
+ */
+class NotBoundException extends \RuntimeException implements ExceptionInterface
+{
+}

vendor/symfony/ldap/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2004-2018 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/symfony/ldap/Ldap.php

@@ -0,0 +1,87 @@
+<?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;
+
+use Symfony\Component\Ldap\Adapter\AdapterInterface;
+use Symfony\Component\Ldap\Exception\DriverNotFoundException;
+
+/**
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+final class Ldap implements LdapInterface
+{
+    private $adapter;
+
+    private static $adapterMap = array(
+        'ext_ldap' => 'Symfony\Component\Ldap\Adapter\ExtLdap\Adapter',
+    );
+
+    public function __construct(AdapterInterface $adapter)
+    {
+        $this->adapter = $adapter;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function bind($dn = null, $password = null)
+    {
+        $this->adapter->getConnection()->bind($dn, $password);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function query($dn, $query, array $options = array())
+    {
+        return $this->adapter->createQuery($dn, $query, $options);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getEntryManager()
+    {
+        return $this->adapter->getEntryManager();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function escape($subject, $ignore = '', $flags = 0)
+    {
+        return $this->adapter->escape($subject, $ignore, $flags);
+    }
+
+    /**
+     * Creates a new Ldap instance.
+     *
+     * @param string $adapter The adapter name
+     * @param array  $config  The adapter's configuration
+     *
+     * @return static
+     */
+    public static function create($adapter, array $config = array())
+    {
+        if (!isset(self::$adapterMap[$adapter])) {
+            throw new DriverNotFoundException(sprintf(
+                'Adapter "%s" not found. You should use one of: %s',
+                $adapter,
+                implode(', ', self::$adapterMap)
+            ));
+        }
+
+        $class = self::$adapterMap[$adapter];
+
+        return new self(new $class($config));
+    }
+}

vendor/symfony/ldap/LdapClient.php

@@ -0,0 +1,127 @@
+<?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;
+
+@trigger_error('The '.__NAMESPACE__.'\LdapClient class is deprecated since Symfony 3.1 and will be removed in 4.0. Use the Ldap class directly instead.', E_USER_DEPRECATED);
+
+/**
+ * @author Grégoire Pineau <lyrixx@lyrixx.info>
+ * @author Francis Besset <francis.besset@gmail.com>
+ * @author Charles Sarrazin <charles@sarraz.in>
+ *
+ * @deprecated since version 3.1, to be removed in 4.0. Use the Ldap class instead.
+ */
+final class LdapClient implements LdapClientInterface
+{
+    private $ldap;
+
+    public function __construct($host = null, $port = 389, $version = 3, $useSsl = false, $useStartTls = false, $optReferrals = false, LdapInterface $ldap = null)
+    {
+        $config = $this->normalizeConfig($host, $port, $version, $useSsl, $useStartTls, $optReferrals);
+
+        $this->ldap = null !== $ldap ? $ldap : Ldap::create('ext_ldap', $config);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function bind($dn = null, $password = null)
+    {
+        $this->ldap->bind($dn, $password);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function query($dn, $query, array $options = array())
+    {
+        return $this->ldap->query($dn, $query, $options);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getEntryManager()
+    {
+        return $this->ldap->getEntryManager();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function find($dn, $query, $filter = '*')
+    {
+        @trigger_error('The "find" method is deprecated since Symfony 3.1 and will be removed in 4.0. Use the "query" method instead.', E_USER_DEPRECATED);
+
+        $query = $this->ldap->query($dn, $query, array('filter' => $filter));
+        $entries = $query->execute();
+        $result = array(
+            'count' => 0,
+        );
+
+        foreach ($entries as $entry) {
+            $resultEntry = array();
+
+            foreach ($entry->getAttributes() as $attribute => $values) {
+                $resultAttribute = array(
+                    'count' => count($values),
+                );
+
+                foreach ($values as $val) {
+                    $resultAttribute[] = $val;
+                }
+                $attributeName = strtolower($attribute);
+
+                $resultAttribute['count'] = count($values);
+                $resultEntry[$attributeName] = $resultAttribute;
+                $resultEntry[] = $attributeName;
+            }
+
+            $resultEntry['count'] = count($resultEntry) / 2;
+            $resultEntry['dn'] = $entry->getDn();
+            $result[] = $resultEntry;
+        }
+
+        $result['count'] = count($result) - 1;
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function escape($subject, $ignore = '', $flags = 0)
+    {
+        return $this->ldap->escape($subject, $ignore, $flags);
+    }
+
+    private function normalizeConfig($host, $port, $version, $useSsl, $useStartTls, $optReferrals)
+    {
+        if ((bool) $useSsl) {
+            $encryption = 'ssl';
+        } elseif ((bool) $useStartTls) {
+            $encryption = 'tls';
+        } else {
+            $encryption = 'none';
+        }
+
+        return array(
+            'host' => $host,
+            'port' => $port,
+            'encryption' => $encryption,
+            'options' => array(
+                'protocol_version' => $version,
+                'referrals' => (bool) $optReferrals,
+            ),
+        );
+    }
+}

vendor/symfony/ldap/LdapClientInterface.php

@@ -0,0 +1,36 @@
+<?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;
+
+/**
+ * Ldap interface.
+ *
+ * This interface is used for the BC layer with branch 2.8 and 3.0.
+ *
+ * @author Grégoire Pineau <lyrixx@lyrixx.info>
+ * @author Charles Sarrazin <charles@sarraz.in>
+ *
+ * @deprecated since version 3.1, to be removed in 4.0. Use the LdapInterface instead.
+ */
+interface LdapClientInterface extends LdapInterface
+{
+    /**
+     * Find a username into ldap connection.
+     *
+     * @param string $dn
+     * @param string $query
+     * @param mixed  $filter
+     *
+     * @return array|null
+     */
+    public function find($dn, $query, $filter = '*');
+}

vendor/symfony/ldap/LdapInterface.php

@@ -0,0 +1,64 @@
+<?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;
+
+use Symfony\Component\Ldap\Adapter\EntryManagerInterface;
+use Symfony\Component\Ldap\Adapter\QueryInterface;
+use Symfony\Component\Ldap\Exception\ConnectionException;
+
+/**
+ * Ldap interface.
+ *
+ * @author Charles Sarrazin <charles@sarraz.in>
+ */
+interface LdapInterface
+{
+    const ESCAPE_FILTER = 0x01;
+    const ESCAPE_DN = 0x02;
+
+    /**
+     * Return a connection bound to the ldap.
+     *
+     * @param string $dn       A LDAP dn
+     * @param string $password A password
+     *
+     * @throws ConnectionException if dn / password could not be bound
+     */
+    public function bind($dn = null, $password = null);
+
+    /**
+     * Queries a ldap server for entries matching the given criteria.
+     *
+     * @param string $dn
+     * @param string $query
+     * @param array  $options
+     *
+     * @return QueryInterface
+     */
+    public function query($dn, $query, array $options = array());
+
+    /**
+     * @return EntryManagerInterface
+     */
+    public function getEntryManager();
+
+    /**
+     * Escape a string for use in an LDAP filter or DN.
+     *
+     * @param string $subject
+     * @param string $ignore
+     * @param int    $flags
+     *
+     * @return string
+     */
+    public function escape($subject, $ignore = '', $flags = 0);
+}

vendor/symfony/ldap/README.md

@@ -0,0 +1,21 @@
+Ldap Component
+==============
+
+A Ldap client for PHP on top of PHP's ldap extension.
+
+Disclaimer
+----------
+
+This component is only stable since Symfony 3.1. Earlier versions 
+have been marked as internal as they still needed some work.
+Breaking changes were introduced in Symfony 3.1, so code relying on
+previous version of the component will break with this version.
+
+Resources
+---------
+
+  * [Documentation](https://symfony.com/doc/current/components/ldap)
+  * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+  * [Report issues](https://github.com/symfony/symfony/issues) and
+    [send Pull Requests](https://github.com/symfony/symfony/pulls)
+    in the [main Symfony repository](https://github.com/symfony/symfony)

vendor/symfony/ldap/Tests/Adapter/ExtLdap/AdapterTest.php

@@ -0,0 +1,114 @@
+<?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\Tests;
+
+use Symfony\Component\Ldap\Adapter\ExtLdap\Adapter;
+use Symfony\Component\Ldap\Adapter\ExtLdap\Collection;
+use Symfony\Component\Ldap\Adapter\ExtLdap\Query;
+use Symfony\Component\Ldap\Entry;
+use Symfony\Component\Ldap\Exception\NotBoundException;
+use Symfony\Component\Ldap\LdapInterface;
+
+/**
+ * @requires extension ldap
+ */
+class AdapterTest extends LdapTestCase
+{
+    public function testLdapEscape()
+    {
+        $ldap = new Adapter();
+
+        $this->assertEquals('\20foo\3dbar\0d(baz)*\20', $ldap->escape(" foo=bar\r(baz)* ", null, LdapInterface::ESCAPE_DN));
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapQuery()
+    {
+        $ldap = new Adapter($this->getLdapConfig());
+
+        $ldap->getConnection()->bind('cn=admin,dc=symfony,dc=com', 'symfony');
+        $query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', array());
+        $result = $query->execute();
+
+        $this->assertInstanceOf(Collection::class, $result);
+        $this->assertCount(1, $result);
+
+        $entry = $result[0];
+        $this->assertInstanceOf(Entry::class, $entry);
+        $this->assertEquals(array('Fabien Potencier'), $entry->getAttribute('cn'));
+        $this->assertEquals(array('fabpot@symfony.com', 'fabien@potencier.com'), $entry->getAttribute('mail'));
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapQueryIterator()
+    {
+        $ldap = new Adapter($this->getLdapConfig());
+
+        $ldap->getConnection()->bind('cn=admin,dc=symfony,dc=com', 'symfony');
+        $query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', array());
+        $result = $query->execute();
+        $iterator = $result->getIterator();
+        $iterator->rewind();
+        $entry = $iterator->current();
+        $this->assertInstanceOf(Entry::class, $entry);
+        $this->assertEquals(array('Fabien Potencier'), $entry->getAttribute('cn'));
+        $this->assertEquals(array('fabpot@symfony.com', 'fabien@potencier.com'), $entry->getAttribute('mail'));
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapQueryWithoutBind()
+    {
+        $ldap = new Adapter($this->getLdapConfig());
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}(NotBoundException::class);
+        $query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', array());
+        $query->execute();
+    }
+
+    public function testLdapQueryScopeBase()
+    {
+        $ldap = new Adapter($this->getLdapConfig());
+
+        $ldap->getConnection()->bind('cn=admin,dc=symfony,dc=com', 'symfony');
+
+        $query = $ldap->createQuery('cn=Fabien Potencier,dc=symfony,dc=com', '(objectclass=*)', array(
+           'scope' => Query::SCOPE_BASE,
+        ));
+        $result = $query->execute();
+
+        $entry = $result[0];
+        $this->assertEquals($result->count(), 1);
+        $this->assertEquals(array('Fabien Potencier'), $entry->getAttribute('cn'));
+    }
+
+    public function testLdapQueryScopeOneLevel()
+    {
+        $ldap = new Adapter($this->getLdapConfig());
+
+        $ldap->getConnection()->bind('cn=admin,dc=symfony,dc=com', 'symfony');
+
+        $one_level_result = $ldap->createQuery('ou=Components,dc=symfony,dc=com', '(objectclass=*)', array(
+            'scope' => Query::SCOPE_ONE,
+        ))->execute();
+
+        $subtree_count = $ldap->createQuery('ou=Components,dc=symfony,dc=com', '(objectclass=*)')->execute()->count();
+
+        $this->assertNotEquals($one_level_result->count(), $subtree_count);
+        $this->assertEquals($one_level_result->count(), 1);
+        $this->assertEquals($one_level_result[0]->getAttribute('ou'), array('Ldap'));
+    }
+}

vendor/symfony/ldap/Tests/Adapter/ExtLdap/LdapManagerTest.php

@@ -0,0 +1,195 @@
+<?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\Tests;
+
+use Symfony\Component\Ldap\Adapter\ExtLdap\Adapter;
+use Symfony\Component\Ldap\Adapter\ExtLdap\Collection;
+use Symfony\Component\Ldap\Entry;
+use Symfony\Component\Ldap\Exception\LdapException;
+use Symfony\Component\Ldap\Exception\NotBoundException;
+
+/**
+ * @requires extension ldap
+ */
+class LdapManagerTest extends LdapTestCase
+{
+    /** @var Adapter */
+    private $adapter;
+
+    protected function setUp()
+    {
+        $this->adapter = new Adapter($this->getLdapConfig());
+        $this->adapter->getConnection()->bind('cn=admin,dc=symfony,dc=com', 'symfony');
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapAddAndRemove()
+    {
+        $this->executeSearchQuery(1);
+
+        $entry = new Entry('cn=Charles Sarrazin,dc=symfony,dc=com', array(
+            'sn' => array('csarrazi'),
+            'objectclass' => array(
+                'inetOrgPerson',
+            ),
+        ));
+
+        $em = $this->adapter->getEntryManager();
+        $em->add($entry);
+
+        $this->executeSearchQuery(2);
+
+        $em->remove($entry);
+        $this->executeSearchQuery(1);
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapAddInvalidEntry()
+    {
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}(LdapException::class);
+        $this->executeSearchQuery(1);
+
+        // The entry is missing a subject name
+        $entry = new Entry('cn=Charles Sarrazin,dc=symfony,dc=com', array(
+            'objectclass' => array(
+                'inetOrgPerson',
+            ),
+        ));
+
+        $em = $this->adapter->getEntryManager();
+        $em->add($entry);
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapUpdate()
+    {
+        $result = $this->executeSearchQuery(1);
+
+        $entry = $result[0];
+        $this->assertNull($entry->getAttribute('email'));
+
+        $em = $this->adapter->getEntryManager();
+        $em->update($entry);
+
+        $result = $this->executeSearchQuery(1);
+
+        $entry = $result[0];
+        $this->assertNull($entry->getAttribute('email'));
+
+        $entry->removeAttribute('email');
+        $em->update($entry);
+
+        $result = $this->executeSearchQuery(1);
+        $entry = $result[0];
+        $this->assertNull($entry->getAttribute('email'));
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapUnboundAdd()
+    {
+        $this->adapter = new Adapter($this->getLdapConfig());
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}(NotBoundException::class);
+        $em = $this->adapter->getEntryManager();
+        $em->add(new Entry(''));
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapUnboundRemove()
+    {
+        $this->adapter = new Adapter($this->getLdapConfig());
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}(NotBoundException::class);
+        $em = $this->adapter->getEntryManager();
+        $em->remove(new Entry(''));
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapUnboundUpdate()
+    {
+        $this->adapter = new Adapter($this->getLdapConfig());
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}(NotBoundException::class);
+        $em = $this->adapter->getEntryManager();
+        $em->update(new Entry(''));
+    }
+
+    /**
+     * @return Collection|Entry[]
+     */
+    private function executeSearchQuery($expectedResults = 1)
+    {
+        $results = $this
+            ->adapter
+            ->createQuery('dc=symfony,dc=com', '(objectclass=person)')
+            ->execute()
+        ;
+
+        $this->assertCount($expectedResults, $results);
+
+        return $results;
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapRename()
+    {
+        $result = $this->executeSearchQuery(1);
+
+        $entry = $result[0];
+
+        $entryManager = $this->adapter->getEntryManager();
+        $entryManager->rename($entry, 'cn=Kevin');
+
+        $result = $this->executeSearchQuery(1);
+        $renamedEntry = $result[0];
+        $this->assertEquals($renamedEntry->getAttribute('cn')[0], 'Kevin');
+
+        $oldRdn = $entry->getAttribute('cn')[0];
+        $entryManager->rename($renamedEntry, 'cn='.$oldRdn);
+        $this->executeSearchQuery(1);
+    }
+
+    /**
+     * @group functional
+     */
+    public function testLdapRenameWithoutRemovingOldRdn()
+    {
+        $result = $this->executeSearchQuery(1);
+
+        $entry = $result[0];
+
+        $entryManager = $this->adapter->getEntryManager();
+        $entryManager->rename($entry, 'cn=Kevin', false);
+
+        $result = $this->executeSearchQuery(1);
+
+        $newEntry = $result[0];
+        $originalCN = $entry->getAttribute('cn')[0];
+
+        $this->assertContains($originalCN, $newEntry->getAttribute('cn'));
+
+        $entryManager->rename($newEntry, 'cn='.$originalCN);
+
+        $this->executeSearchQuery(1);
+    }
+}

vendor/symfony/ldap/Tests/Fixtures/conf/slapd.conf

@@ -0,0 +1,17 @@
+# See slapd.conf(5) for details on configuration options.
+include   /etc/ldap/schema/core.schema
+include   /etc/ldap/schema/cosine.schema
+include   /etc/ldap/schema/inetorgperson.schema
+include   /etc/ldap/schema/nis.schema
+
+pidfile  /tmp/slapd/slapd.pid
+argsfile /tmp/slapd/slapd.args
+
+modulepath /usr/lib/openldap
+
+database  ldif
+directory /tmp/slapd
+
+suffix    "dc=symfony,dc=com"
+rootdn    "cn=admin,dc=symfony,dc=com"
+rootpw    {SSHA}btWUi971ytYpVMbZLkaQ2A6ETh3VA0lL

vendor/symfony/ldap/Tests/Fixtures/data/base.ldif

@@ -0,0 +1,4 @@
+dn: dc=symfony,dc=com
+objectClass: dcObject
+objectClass: organizationalUnit
+ou: Organization

vendor/symfony/ldap/Tests/Fixtures/data/fixtures.ldif

@@ -0,0 +1,26 @@
+dn: cn=Fabien Potencier,dc=symfony,dc=com
+objectClass: inetOrgPerson
+objectClass: organizationalPerson
+objectClass: person
+objectClass: top
+cn: Fabien Potencier
+sn: fabpot
+mail: fabpot@symfony.com
+mail: fabien@potencier.com
+ou: People
+ou: Maintainers
+ou: Founder
+givenName: Fabien Potencier
+description: Founder and project lead @Symfony
+
+dn: ou=Components,dc=symfony,dc=com
+objectclass: organizationalunit
+ou: Components
+
+dn: ou=Ldap,ou=Components,dc=symfony,dc=com
+objectclass: organizationalunit
+ou: Ldap
+
+dn: ou=Ldap scoping,ou=Ldap,ou=Components,dc=symfony,dc=com
+objectclass: organizationalunit
+ou: Ldap scoping

vendor/symfony/ldap/Tests/LdapClientTest.php

@@ -0,0 +1,229 @@
+<?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\Tests;
+
+use Symfony\Component\Ldap\Adapter\CollectionInterface;
+use Symfony\Component\Ldap\Adapter\QueryInterface;
+use Symfony\Component\Ldap\Entry;
+use Symfony\Component\Ldap\LdapClient;
+use Symfony\Component\Ldap\LdapInterface;
+
+/**
+ * @group legacy
+ */
+class LdapClientTest extends LdapTestCase
+{
+    /** @var LdapClient */
+    private $client;
+    /** @var \PHPUnit_Framework_MockObject_MockObject */
+    private $ldap;
+
+    protected function setUp()
+    {
+        $this->ldap = $this->getMockBuilder(LdapInterface::class)->getMock();
+
+        $this->client = new LdapClient(null, 389, 3, false, false, false, $this->ldap);
+    }
+
+    public function testLdapBind()
+    {
+        $this->ldap
+            ->expects($this->once())
+            ->method('bind')
+            ->with('foo', 'bar')
+        ;
+        $this->client->bind('foo', 'bar');
+    }
+
+    public function testLdapEscape()
+    {
+        $this->ldap
+            ->expects($this->once())
+            ->method('escape')
+            ->with('foo', 'bar', 'baz')
+        ;
+        $this->client->escape('foo', 'bar', 'baz');
+    }
+
+    public function testLdapQuery()
+    {
+        $this->ldap
+            ->expects($this->once())
+            ->method('query')
+            ->with('foo', 'bar', array('baz'))
+        ;
+        $this->client->query('foo', 'bar', array('baz'));
+    }
+
+    public function testLdapFind()
+    {
+        $collection = $this->getMockBuilder(CollectionInterface::class)->getMock();
+        $collection
+            ->expects($this->once())
+            ->method('getIterator')
+            ->will($this->returnValue(new \ArrayIterator(array(
+                new Entry('cn=qux,dc=foo,dc=com', array(
+                    'cn' => array('qux'),
+                    'dc' => array('com', 'foo'),
+                    'givenName' => array('Qux'),
+                )),
+                new Entry('cn=baz,dc=foo,dc=com', array(
+                    'cn' => array('baz'),
+                    'dc' => array('com', 'foo'),
+                    'givenName' => array('Baz'),
+                )),
+            ))))
+        ;
+        $query = $this->getMockBuilder(QueryInterface::class)->getMock();
+        $query
+            ->expects($this->once())
+            ->method('execute')
+            ->will($this->returnValue($collection))
+        ;
+        $this->ldap
+            ->expects($this->once())
+            ->method('query')
+            ->with('dc=foo,dc=com', 'bar', array('filter' => 'baz'))
+            ->willReturn($query)
+        ;
+
+        $expected = array(
+            'count' => 2,
+            0 => array(
+                'count' => 3,
+                0 => 'cn',
+                'cn' => array(
+                    'count' => 1,
+                    0 => 'qux',
+                ),
+                1 => 'dc',
+                'dc' => array(
+                    'count' => 2,
+                    0 => 'com',
+                    1 => 'foo',
+                ),
+                2 => 'givenname',
+                'givenname' => array(
+                    'count' => 1,
+                    0 => 'Qux',
+                ),
+                'dn' => 'cn=qux,dc=foo,dc=com',
+            ),
+            1 => array(
+                'count' => 3,
+                0 => 'cn',
+                'cn' => array(
+                    'count' => 1,
+                    0 => 'baz',
+                ),
+                1 => 'dc',
+                'dc' => array(
+                    'count' => 2,
+                    0 => 'com',
+                    1 => 'foo',
+                ),
+                2 => 'givenname',
+                'givenname' => array(
+                    'count' => 1,
+                    0 => 'Baz',
+                ),
+                'dn' => 'cn=baz,dc=foo,dc=com',
+            ),
+        );
+        $this->assertEquals($expected, $this->client->find('dc=foo,dc=com', 'bar', 'baz'));
+    }
+
+    /**
+     * @dataProvider provideConfig
+     */
+    public function testLdapClientConfig($args, $expected)
+    {
+        $reflObj = new \ReflectionObject($this->client);
+        $reflMethod = $reflObj->getMethod('normalizeConfig');
+        $reflMethod->setAccessible(true);
+        array_unshift($args, $this->client);
+        $this->assertEquals($expected, call_user_func_array(array($reflMethod, 'invoke'), $args));
+    }
+
+    /**
+     * @group functional
+     * @requires extension ldap
+     */
+    public function testLdapClientFunctional()
+    {
+        $config = $this->getLdapConfig();
+        $ldap = new LdapClient($config['host'], $config['port']);
+        $ldap->bind('cn=admin,dc=symfony,dc=com', 'symfony');
+        $result = $ldap->find('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))');
+
+        $con = @ldap_connect($config['host'], $config['port']);
+        @ldap_bind($con, 'cn=admin,dc=symfony,dc=com', 'symfony');
+        $search = @ldap_search($con, 'dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', array('*'));
+        $expected = @ldap_get_entries($con, $search);
+
+        $this->assertSame($expected, $result);
+    }
+
+    public function provideConfig()
+    {
+        return array(
+            array(
+                array('localhost', 389, 3, true, false, false),
+                array(
+                    'host' => 'localhost',
+                    'port' => 389,
+                    'encryption' => 'ssl',
+                    'options' => array(
+                        'protocol_version' => 3,
+                        'referrals' => false,
+                    ),
+                ),
+            ),
+            array(
+                array('localhost', 389, 3, false, true, false),
+                array(
+                    'host' => 'localhost',
+                    'port' => 389,
+                    'encryption' => 'tls',
+                    'options' => array(
+                        'protocol_version' => 3,
+                        'referrals' => false,
+                    ),
+                ),
+            ),
+            array(
+                array('localhost', 389, 3, false, false, false),
+                array(
+                    'host' => 'localhost',
+                    'port' => 389,
+                    'encryption' => 'none',
+                    'options' => array(
+                        'protocol_version' => 3,
+                        'referrals' => false,
+                    ),
+                ),
+            ),
+            array(
+                array('localhost', 389, 3, false, false, false),
+                array(
+                    'host' => 'localhost',
+                    'port' => 389,
+                    'encryption' => 'none',
+                    'options' => array(
+                        'protocol_version' => 3,
+                        'referrals' => false,
+                    ),
+                ),
+            ),
+        );
+    }
+}

vendor/symfony/ldap/Tests/LdapTest.php

@@ -0,0 +1,84 @@
+<?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\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Ldap\Adapter\AdapterInterface;
+use Symfony\Component\Ldap\Adapter\ConnectionInterface;
+use Symfony\Component\Ldap\Exception\DriverNotFoundException;
+use Symfony\Component\Ldap\Ldap;
+
+class LdapTest extends TestCase
+{
+    /** @var \PHPUnit_Framework_MockObject_MockObject */
+    private $adapter;
+
+    /** @var Ldap */
+    private $ldap;
+
+    protected function setUp()
+    {
+        $this->adapter = $this->getMockBuilder(AdapterInterface::class)->getMock();
+        $this->ldap = new Ldap($this->adapter);
+    }
+
+    public function testLdapBind()
+    {
+        $connection = $this->getMockBuilder(ConnectionInterface::class)->getMock();
+        $connection
+            ->expects($this->once())
+            ->method('bind')
+            ->with('foo', 'bar')
+        ;
+        $this->adapter
+            ->expects($this->once())
+            ->method('getConnection')
+            ->will($this->returnValue($connection))
+        ;
+        $this->ldap->bind('foo', 'bar');
+    }
+
+    public function testLdapEscape()
+    {
+        $this->adapter
+            ->expects($this->once())
+            ->method('escape')
+            ->with('foo', 'bar', 'baz')
+        ;
+        $this->ldap->escape('foo', 'bar', 'baz');
+    }
+
+    public function testLdapQuery()
+    {
+        $this->adapter
+            ->expects($this->once())
+            ->method('createQuery')
+            ->with('foo', 'bar', array('baz'))
+        ;
+        $this->ldap->query('foo', 'bar', array('baz'));
+    }
+
+    /**
+     * @requires extension ldap
+     */
+    public function testLdapCreate()
+    {
+        $ldap = Ldap::create('ext_ldap');
+        $this->assertInstanceOf(Ldap::class, $ldap);
+    }
+
+    public function testCreateWithInvalidAdapterName()
+    {
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}(DriverNotFoundException::class);
+        Ldap::create('foo');
+    }
+}

vendor/symfony/ldap/Tests/LdapTestCase.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Symfony\Component\Ldap\Tests;
+
+use PHPUnit\Framework\TestCase;
+
+class LdapTestCase extends TestCase
+{
+    protected function getLdapConfig()
+    {
+        return array(
+            'host' => getenv('LDAP_HOST'),
+            'port' => getenv('LDAP_PORT'),
+        );
+    }
+}

vendor/symfony/ldap/composer.json

@@ -0,0 +1,36 @@
+{
+    "name": "symfony/ldap",
+    "type": "library",
+    "description": "An abstraction in front of PHP's LDAP functions, compatible with PHP 5.3.9 onwards.",
+    "keywords": ["ldap", "active directory"],
+    "homepage": "https://symfony.com",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Charles Sarrazin",
+            "email": "charles@sarraz.in"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": "^5.5.9|>=7.0.8",
+        "symfony/polyfill-php56": "~1.0",
+        "symfony/options-resolver": "~2.8|~3.0|~4.0",
+        "ext-ldap": "*"
+    },
+    "autoload": {
+        "psr-4": { "Symfony\\Component\\Ldap\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
+    },
+    "minimum-stability": "dev",
+    "extra": {
+        "branch-alias": {
+            "dev-master": "3.4-dev"
+        }
+    }
+}

vendor/symfony/ldap/phpunit.xml.dist

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="vendor/autoload.php"
+         failOnRisky="true"
+         failOnWarning="true"
+>
+    <php>
+        <ini name="error_reporting" value="-1" />
+        <env name="LDAP_HOST" value="127.0.0.1" />
+        <env name="LDAP_PORT" value="3389" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Symfony Ldap Component Test Suite">
+            <directory>./Tests/</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>./</directory>
+            <exclude>
+                <directory>./Tests</directory>
+                <directory>./vendor</directory>
+            </exclude>
+        </whitelist>
+    </filter>
+</phpunit>

vendor/symfony/options-resolver/.gitignore

@@ -0,0 +1,3 @@
+vendor/
+composer.lock
+phpunit.xml

vendor/symfony/options-resolver/CHANGELOG.md

@@ -0,0 +1,52 @@
+CHANGELOG
+=========
+
+3.4.0
+-----
+
+ * added `OptionsResolverIntrospector` to inspect options definitions inside an `OptionsResolver` instance
+ * added array of types support in allowed types (e.g int[])
+
+2.6.0
+-----
+
+ * deprecated OptionsResolverInterface
+ * [BC BREAK] removed "array" type hint from OptionsResolverInterface methods
+   setRequired(), setAllowedValues(), addAllowedValues(), setAllowedTypes() and
+   addAllowedTypes()
+ * added OptionsResolver::setDefault()
+ * added OptionsResolver::hasDefault()
+ * added OptionsResolver::setNormalizer()
+ * added OptionsResolver::isRequired()
+ * added OptionsResolver::getRequiredOptions()
+ * added OptionsResolver::isMissing()
+ * added OptionsResolver::getMissingOptions()
+ * added OptionsResolver::setDefined()
+ * added OptionsResolver::isDefined()
+ * added OptionsResolver::getDefinedOptions()
+ * added OptionsResolver::remove()
+ * added OptionsResolver::clear()
+ * deprecated OptionsResolver::replaceDefaults()
+ * deprecated OptionsResolver::setOptional() in favor of setDefined()
+ * deprecated OptionsResolver::isKnown() in favor of isDefined()
+ * [BC BREAK] OptionsResolver::isRequired() returns true now if a required
+   option has a default value set
+ * [BC BREAK] merged Options into OptionsResolver and turned Options into an
+   interface
+ * deprecated Options::overload() (now in OptionsResolver)
+ * deprecated Options::set() (now in OptionsResolver)
+ * deprecated Options::get() (now in OptionsResolver)
+ * deprecated Options::has() (now in OptionsResolver)
+ * deprecated Options::replace() (now in OptionsResolver)
+ * [BC BREAK] Options::get() (now in OptionsResolver) can only be used within
+   lazy option/normalizer closures now
+ * [BC BREAK] removed Traversable interface from Options since using within
+   lazy option/normalizer closures resulted in exceptions
+ * [BC BREAK] removed Options::all() since using within lazy option/normalizer
+   closures resulted in exceptions
+ * [BC BREAK] OptionDefinitionException now extends LogicException instead of
+   RuntimeException
+ * [BC BREAK] normalizers are not executed anymore for unset options
+ * normalizers are executed after validating the options now
+ * [BC BREAK] an UndefinedOptionsException is now thrown instead of an
+   InvalidOptionsException when non-existing options are passed

vendor/symfony/options-resolver/Debug/OptionsResolverIntrospector.php

@@ -0,0 +1,102 @@
+<?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\OptionsResolver\Debug;
+
+use Symfony\Component\OptionsResolver\Exception\NoConfigurationException;
+use Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
+ *
+ * @final
+ */
+class OptionsResolverIntrospector
+{
+    private $get;
+
+    public function __construct(OptionsResolver $optionsResolver)
+    {
+        $this->get = \Closure::bind(function ($property, $option, $message) {
+            /** @var OptionsResolver $this */
+            if (!$this->isDefined($option)) {
+                throw new UndefinedOptionsException(sprintf('The option "%s" does not exist.', $option));
+            }
+
+            if (!array_key_exists($option, $this->{$property})) {
+                throw new NoConfigurationException($message);
+            }
+
+            return $this->{$property}[$option];
+        }, $optionsResolver, $optionsResolver);
+    }
+
+    /**
+     * @param string $option
+     *
+     * @return mixed
+     *
+     * @throws NoConfigurationException on no configured value
+     */
+    public function getDefault($option)
+    {
+        return call_user_func($this->get, 'defaults', $option, sprintf('No default value was set for the "%s" option.', $option));
+    }
+
+    /**
+     * @param string $option
+     *
+     * @return \Closure[]
+     *
+     * @throws NoConfigurationException on no configured closures
+     */
+    public function getLazyClosures($option)
+    {
+        return call_user_func($this->get, 'lazy', $option, sprintf('No lazy closures were set for the "%s" option.', $option));
+    }
+
+    /**
+     * @param string $option
+     *
+     * @return string[]
+     *
+     * @throws NoConfigurationException on no configured types
+     */
+    public function getAllowedTypes($option)
+    {
+        return call_user_func($this->get, 'allowedTypes', $option, sprintf('No allowed types were set for the "%s" option.', $option));
+    }
+
+    /**
+     * @param string $option
+     *
+     * @return mixed[]
+     *
+     * @throws NoConfigurationException on no configured values
+     */
+    public function getAllowedValues($option)
+    {
+        return call_user_func($this->get, 'allowedValues', $option, sprintf('No allowed values were set for the "%s" option.', $option));
+    }
+
+    /**
+     * @param string $option
+     *
+     * @return \Closure
+     *
+     * @throws NoConfigurationException on no configured normalizer
+     */
+    public function getNormalizer($option)
+    {
+        return call_user_func($this->get, 'normalizers', $option, sprintf('No normalizer was set for the "%s" option.', $option));
+    }
+}

vendor/symfony/options-resolver/Exception/AccessException.php

@@ -0,0 +1,22 @@
+<?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\OptionsResolver\Exception;
+
+/**
+ * Thrown when trying to read an option outside of or write it inside of
+ * {@link \Symfony\Component\OptionsResolver\Options::resolve()}.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class AccessException extends \LogicException implements ExceptionInterface
+{
+}

vendor/symfony/options-resolver/Exception/ExceptionInterface.php

@@ -0,0 +1,21 @@
+<?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\OptionsResolver\Exception;
+
+/**
+ * Marker interface for all exceptions thrown by the OptionsResolver component.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+interface ExceptionInterface
+{
+}

vendor/symfony/options-resolver/Exception/InvalidArgumentException.php

@@ -0,0 +1,21 @@
+<?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\OptionsResolver\Exception;
+
+/**
+ * Thrown when an argument is invalid.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class InvalidArgumentException extends \InvalidArgumentException implements ExceptionInterface
+{
+}

vendor/symfony/options-resolver/Exception/InvalidOptionsException.php

@@ -0,0 +1,23 @@
+<?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\OptionsResolver\Exception;
+
+/**
+ * Thrown when the value of an option does not match its validation rules.
+ *
+ * You should make sure a valid value is passed to the option.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class InvalidOptionsException extends InvalidArgumentException
+{
+}

vendor/symfony/options-resolver/Exception/MissingOptionsException.php

@@ -0,0 +1,23 @@
+<?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\OptionsResolver\Exception;
+
+/**
+ * Exception thrown when a required option is missing.
+ *
+ * Add the option to the passed options array.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class MissingOptionsException extends InvalidArgumentException
+{
+}

vendor/symfony/options-resolver/Exception/NoConfigurationException.php

@@ -0,0 +1,26 @@
+<?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\OptionsResolver\Exception;
+
+use Symfony\Component\OptionsResolver\Debug\OptionsResolverIntrospector;
+
+/**
+ * Thrown when trying to introspect an option definition property
+ * for which no value was configured inside the OptionsResolver instance.
+ *
+ * @see OptionsResolverIntrospector
+ *
+ * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
+ */
+class NoConfigurationException extends \RuntimeException implements ExceptionInterface
+{
+}

vendor/symfony/options-resolver/Exception/NoSuchOptionException.php

@@ -0,0 +1,26 @@
+<?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\OptionsResolver\Exception;
+
+/**
+ * Thrown when trying to read an option that has no value set.
+ *
+ * When accessing optional options from within a lazy option or normalizer you should first
+ * check whether the optional option is set. You can do this with `isset($options['optional'])`.
+ * In contrast to the {@link UndefinedOptionsException}, this is a runtime exception that can
+ * occur when evaluating lazy options.
+ *
+ * @author Tobias Schultze <http://tobion.de>
+ */
+class NoSuchOptionException extends \OutOfBoundsException implements ExceptionInterface
+{
+}

vendor/symfony/options-resolver/Exception/OptionDefinitionException.php

@@ -0,0 +1,21 @@
+<?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\OptionsResolver\Exception;
+
+/**
+ * Thrown when two lazy options have a cyclic dependency.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class OptionDefinitionException extends \LogicException implements ExceptionInterface
+{
+}

vendor/symfony/options-resolver/Exception/UndefinedOptionsException.php

@@ -0,0 +1,24 @@
+<?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\OptionsResolver\Exception;
+
+/**
+ * Exception thrown when an undefined option is passed.
+ *
+ * You should remove the options in question from your code or define them
+ * beforehand.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class UndefinedOptionsException extends InvalidArgumentException
+{
+}

vendor/symfony/options-resolver/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2004-2018 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/symfony/options-resolver/Options.php

@@ -0,0 +1,22 @@
+<?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\OptionsResolver;
+
+/**
+ * Contains resolved option values.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ * @author Tobias Schultze <http://tobion.de>
+ */
+interface Options extends \ArrayAccess, \Countable
+{
+}

vendor/symfony/options-resolver/README.md

@@ -0,0 +1,15 @@
+OptionsResolver Component
+=========================
+
+The OptionsResolver component is `array_replace` on steroids. It allows you to
+create an options system with required options, defaults, validation (type,
+value), normalization and more.
+
+Resources
+---------
+
+  * [Documentation](https://symfony.com/doc/current/components/options_resolver.html)
+  * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+  * [Report issues](https://github.com/symfony/symfony/issues) and
+    [send Pull Requests](https://github.com/symfony/symfony/pulls)
+    in the [main Symfony repository](https://github.com/symfony/symfony)

vendor/symfony/options-resolver/Tests/Debug/OptionsResolverIntrospectorTest.php

@@ -0,0 +1,203 @@
+<?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\OptionsResolver\Tests\Debug;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\OptionsResolver\Debug\OptionsResolverIntrospector;
+use Symfony\Component\OptionsResolver\Options;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class OptionsResolverIntrospectorTest extends TestCase
+{
+    public function testGetDefault()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefault($option = 'foo', 'bar');
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getDefault($option));
+    }
+
+    public function testGetDefaultNull()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefault($option = 'foo', null);
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertNull($debug->getDefault($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\NoConfigurationException
+     * @expectedExceptionMessage No default value was set for the "foo" option.
+     */
+    public function testGetDefaultThrowsOnNoConfiguredValue()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefined($option = 'foo');
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getDefault($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
+     * @expectedExceptionMessage The option "foo" does not exist.
+     */
+    public function testGetDefaultThrowsOnNotDefinedOption()
+    {
+        $resolver = new OptionsResolver();
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getDefault('foo'));
+    }
+
+    public function testGetLazyClosures()
+    {
+        $resolver = new OptionsResolver();
+        $closures = array();
+        $resolver->setDefault($option = 'foo', $closures[] = function (Options $options) {});
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame($closures, $debug->getLazyClosures($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\NoConfigurationException
+     * @expectedExceptionMessage No lazy closures were set for the "foo" option.
+     */
+    public function testGetLazyClosuresThrowsOnNoConfiguredValue()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefined($option = 'foo');
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getLazyClosures($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
+     * @expectedExceptionMessage The option "foo" does not exist.
+     */
+    public function testGetLazyClosuresThrowsOnNotDefinedOption()
+    {
+        $resolver = new OptionsResolver();
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getLazyClosures('foo'));
+    }
+
+    public function testGetAllowedTypes()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefined($option = 'foo');
+        $resolver->setAllowedTypes($option = 'foo', $allowedTypes = array('string', 'bool'));
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame($allowedTypes, $debug->getAllowedTypes($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\NoConfigurationException
+     * @expectedExceptionMessage No allowed types were set for the "foo" option.
+     */
+    public function testGetAllowedTypesThrowsOnNoConfiguredValue()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefined($option = 'foo');
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getAllowedTypes($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
+     * @expectedExceptionMessage The option "foo" does not exist.
+     */
+    public function testGetAllowedTypesThrowsOnNotDefinedOption()
+    {
+        $resolver = new OptionsResolver();
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getAllowedTypes('foo'));
+    }
+
+    public function testGetAllowedValues()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefined($option = 'foo');
+        $resolver->setAllowedValues($option = 'foo', $allowedValues = array('bar', 'baz'));
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame($allowedValues, $debug->getAllowedValues($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\NoConfigurationException
+     * @expectedExceptionMessage No allowed values were set for the "foo" option.
+     */
+    public function testGetAllowedValuesThrowsOnNoConfiguredValue()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefined($option = 'foo');
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getAllowedValues($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
+     * @expectedExceptionMessage The option "foo" does not exist.
+     */
+    public function testGetAllowedValuesThrowsOnNotDefinedOption()
+    {
+        $resolver = new OptionsResolver();
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getAllowedValues('foo'));
+    }
+
+    public function testGetNormalizer()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefined($option = 'foo');
+        $resolver->setNormalizer($option = 'foo', $normalizer = function () {});
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame($normalizer, $debug->getNormalizer($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\NoConfigurationException
+     * @expectedExceptionMessage No normalizer was set for the "foo" option.
+     */
+    public function testGetNormalizerThrowsOnNoConfiguredValue()
+    {
+        $resolver = new OptionsResolver();
+        $resolver->setDefined($option = 'foo');
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getNormalizer($option));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
+     * @expectedExceptionMessage The option "foo" does not exist.
+     */
+    public function testGetNormalizerThrowsOnNotDefinedOption()
+    {
+        $resolver = new OptionsResolver();
+
+        $debug = new OptionsResolverIntrospector($resolver);
+        $this->assertSame('bar', $debug->getNormalizer('foo'));
+    }
+}

vendor/symfony/options-resolver/composer.json

@@ -0,0 +1,33 @@
+{
+    "name": "symfony/options-resolver",
+    "type": "library",
+    "description": "Symfony OptionsResolver Component",
+    "keywords": ["options", "config", "configuration"],
+    "homepage": "https://symfony.com",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Fabien Potencier",
+            "email": "fabien@symfony.com"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": "^5.5.9|>=7.0.8"
+    },
+    "autoload": {
+        "psr-4": { "Symfony\\Component\\OptionsResolver\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
+    },
+    "minimum-stability": "dev",
+    "extra": {
+        "branch-alias": {
+            "dev-master": "3.4-dev"
+        }
+    }
+}

vendor/symfony/options-resolver/phpunit.xml.dist

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="vendor/autoload.php"
+         failOnRisky="true"
+         failOnWarning="true"
+>
+    <php>
+        <ini name="error_reporting" value="-1" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Symfony OptionsResolver Component Test Suite">
+            <directory>./Tests/</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>./</directory>
+            <exclude>
+                <directory>./Resources</directory>
+                <directory>./Tests</directory>
+                <directory>./vendor</directory>
+            </exclude>
+        </whitelist>
+    </filter>
+</phpunit>

vendor/symfony/polyfill-php56/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2015-2018 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/symfony/polyfill-php56/Php56.php

@@ -0,0 +1,138 @@
+<?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\Polyfill\Php56;
+
+use Symfony\Polyfill\Util\Binary;
+
+/**
+ * @internal
+ */
+final class Php56
+{
+    const LDAP_ESCAPE_FILTER = 1;
+    const LDAP_ESCAPE_DN = 2;
+
+    public static function hash_equals($knownString, $userInput)
+    {
+        if (!\is_string($knownString)) {
+            trigger_error('Expected known_string to be a string, '.gettype($knownString).' given', E_USER_WARNING);
+
+            return false;
+        }
+
+        if (!\is_string($userInput)) {
+            trigger_error('Expected user_input to be a string, '.gettype($userInput).' given', E_USER_WARNING);
+
+            return false;
+        }
+
+        $knownLen = Binary::strlen($knownString);
+        $userLen = Binary::strlen($userInput);
+
+        if ($knownLen !== $userLen) {
+            return false;
+        }
+
+        $result = 0;
+
+        for ($i = 0; $i < $knownLen; ++$i) {
+            $result |= \ord($knownString[$i]) ^ \ord($userInput[$i]);
+        }
+
+        return 0 === $result;
+    }
+
+    /**
+     * Stub implementation of the {@link ldap_escape()} function of the ldap
+     * extension.
+     *
+     * Escape strings for safe use in LDAP filters and DNs.
+     *
+     * @author Chris Wright <ldapi@daverandom.com>
+     *
+     * @param string $subject
+     * @param string $ignore
+     * @param int    $flags
+     *
+     * @return string
+     *
+     * @see http://stackoverflow.com/a/8561604
+     */
+    public static function ldap_escape($subject, $ignore = '', $flags = 0)
+    {
+        static $charMaps = null;
+
+        if (null === $charMaps) {
+            $charMaps = array(
+                self::LDAP_ESCAPE_FILTER => array('\\', '*', '(', ')', "\x00"),
+                self::LDAP_ESCAPE_DN => array('\\', ',', '=', '+', '<', '>', ';', '"', '#', "\r"),
+            );
+
+            $charMaps[0] = array();
+
+            for ($i = 0; $i < 256; ++$i) {
+                $charMaps[0][\chr($i)] = sprintf('\\%02x', $i);
+            }
+
+            for ($i = 0, $l = \count($charMaps[self::LDAP_ESCAPE_FILTER]); $i < $l; ++$i) {
+                $chr = $charMaps[self::LDAP_ESCAPE_FILTER][$i];
+                unset($charMaps[self::LDAP_ESCAPE_FILTER][$i]);
+                $charMaps[self::LDAP_ESCAPE_FILTER][$chr] = $charMaps[0][$chr];
+            }
+
+            for ($i = 0, $l = \count($charMaps[self::LDAP_ESCAPE_DN]); $i < $l; ++$i) {
+                $chr = $charMaps[self::LDAP_ESCAPE_DN][$i];
+                unset($charMaps[self::LDAP_ESCAPE_DN][$i]);
+                $charMaps[self::LDAP_ESCAPE_DN][$chr] = $charMaps[0][$chr];
+            }
+        }
+
+        // Create the base char map to escape
+        $flags = (int) $flags;
+        $charMap = array();
+
+        if ($flags & self::LDAP_ESCAPE_FILTER) {
+            $charMap += $charMaps[self::LDAP_ESCAPE_FILTER];
+        }
+
+        if ($flags & self::LDAP_ESCAPE_DN) {
+            $charMap += $charMaps[self::LDAP_ESCAPE_DN];
+        }
+
+        if (!$charMap) {
+            $charMap = $charMaps[0];
+        }
+
+        // Remove any chars to ignore from the list
+        $ignore = (string) $ignore;
+
+        for ($i = 0, $l = \strlen($ignore); $i < $l; ++$i) {
+            unset($charMap[$ignore[$i]]);
+        }
+
+        // Do the main replacement
+        $result = strtr($subject, $charMap);
+
+        // Encode leading/trailing spaces if self::LDAP_ESCAPE_DN is passed
+        if ($flags & self::LDAP_ESCAPE_DN) {
+            if ($result[0] === ' ') {
+                $result = '\\20'.substr($result, 1);
+            }
+
+            if ($result[\strlen($result) - 1] === ' ') {
+                $result = substr($result, 0, -1).'\\20';
+            }
+        }
+
+        return $result;
+    }
+}

vendor/symfony/polyfill-php56/README.md

@@ -0,0 +1,15 @@
+Symfony Polyfill / Php56
+========================
+
+This component provides functions unavailable in releases prior to PHP 5.6:
+
+- [`hash_equals`](http://php.net/hash_equals)  (part of [hash](http://php.net/hash) extension)
+- [`ldap_escape`](http://php.net/ldap_escape) (part of [ldap](http://php.net/ldap) extension)
+
+More information can be found in the
+[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
+
+License
+=======
+
+This library is released under the [MIT license](LICENSE).

vendor/symfony/polyfill-php56/bootstrap.php

@@ -0,0 +1,38 @@
+<?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.
+ */
+
+use Symfony\Polyfill\Php56 as p;
+
+if (PHP_VERSION_ID < 50600) {
+    if (!function_exists('hash_equals')) {
+        function hash_equals($knownString, $userInput) { return p\Php56::hash_equals($knownString, $userInput); }
+    }
+    if (extension_loaded('ldap') && !function_exists('ldap_escape')) {
+        define('LDAP_ESCAPE_FILTER', 1);
+        define('LDAP_ESCAPE_DN', 2);
+
+        function ldap_escape($subject, $ignore = '', $flags = 0) { return p\Php56::ldap_escape($subject, $ignore, $flags); }
+    }
+
+    if (50509 === PHP_VERSION_ID && 4 === PHP_INT_SIZE) {
+        // Missing functions in PHP 5.5.9 - affects 32 bit builds of Ubuntu 14.04LTS
+        // See https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1315888
+        if (!function_exists('gzopen') && function_exists('gzopen64')) {
+            function gzopen($filename, $mode, $use_include_path = 0) { return gzopen64($filename, $mode, $use_include_path); }
+        }
+        if (!function_exists('gzseek') && function_exists('gzseek64')) {
+            function gzseek($zp, $offset, $whence = SEEK_SET) { return gzseek64($zp, $offset, $whence); }
+        }
+        if (!function_exists('gztell') && function_exists('gztell64')) {
+            function gztell($zp) { return gztell64($zp); }
+        }
+    }
+}

vendor/symfony/polyfill-php56/composer.json

@@ -0,0 +1,32 @@
+{
+    "name": "symfony/polyfill-php56",
+    "type": "library",
+    "description": "Symfony polyfill backporting some PHP 5.6+ features to lower PHP versions",
+    "keywords": ["polyfill", "shim", "compatibility", "portable"],
+    "homepage": "https://symfony.com",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Nicolas Grekas",
+            "email": "p@tchwork.com"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.3",
+        "symfony/polyfill-util": "~1.0"
+    },
+    "autoload": {
+        "psr-4": { "Symfony\\Polyfill\\Php56\\": "" },
+        "files": [ "bootstrap.php" ]
+    },
+    "minimum-stability": "dev",
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.8-dev"
+        }
+    }
+}

vendor/symfony/polyfill-util/Binary.php

@@ -0,0 +1,18 @@
+<?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\Polyfill\Util;
+
+if (extension_loaded('mbstring')) {
+    class Binary extends BinaryOnFuncOverload {}
+} else {
+    class Binary extends BinaryNoFuncOverload {}
+}

vendor/symfony/polyfill-util/BinaryNoFuncOverload.php

@@ -0,0 +1,65 @@
+<?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\Polyfill\Util;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+class BinaryNoFuncOverload
+{
+    public static function strlen($s)
+    {
+        return \strlen($s);
+    }
+
+    public static function strpos($haystack, $needle, $offset = 0)
+    {
+        return strpos($haystack, $needle, $offset);
+    }
+
+    public static function strrpos($haystack, $needle, $offset = 0)
+    {
+        return strrpos($haystack, $needle, $offset);
+    }
+
+    public static function substr($string, $start, $length = PHP_INT_MAX)
+    {
+        return substr($string, $start, $length);
+    }
+
+    public static function stripos($s, $needle, $offset = 0)
+    {
+        return stripos($s, $needle, $offset);
+    }
+
+    public static function stristr($s, $needle, $part = false)
+    {
+        return stristr($s, $needle, $part);
+    }
+
+    public static function strrchr($s, $needle, $part = false)
+    {
+        return strrchr($s, $needle, $part);
+    }
+
+    public static function strripos($s, $needle, $offset = 0)
+    {
+        return strripos($s, $needle, $offset);
+    }
+
+    public static function strstr($s, $needle, $part = false)
+    {
+        return strstr($s, $needle, $part);
+    }
+}

vendor/symfony/polyfill-util/BinaryOnFuncOverload.php

@@ -0,0 +1,67 @@
+<?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\Polyfill\Util;
+
+/**
+ * Binary safe version of string functions overloaded when MB_OVERLOAD_STRING is enabled.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+class BinaryOnFuncOverload
+{
+    public static function strlen($s)
+    {
+        return mb_strlen($s, '8bit');
+    }
+
+    public static function strpos($haystack, $needle, $offset = 0)
+    {
+        return mb_strpos($haystack, $needle, $offset, '8bit');
+    }
+
+    public static function strrpos($haystack, $needle, $offset = 0)
+    {
+        return mb_strrpos($haystack, $needle, $offset, '8bit');
+    }
+
+    public static function substr($string, $start, $length = 2147483647)
+    {
+        return mb_substr($string, $start, $length, '8bit');
+    }
+
+    public static function stripos($s, $needle, $offset = 0)
+    {
+        return mb_stripos($s, $needle, $offset, '8bit');
+    }
+
+    public static function stristr($s, $needle, $part = false)
+    {
+        return mb_stristr($s, $needle, $part, '8bit');
+    }
+
+    public static function strrchr($s, $needle, $part = false)
+    {
+        return mb_strrchr($s, $needle, $part, '8bit');
+    }
+
+    public static function strripos($s, $needle, $offset = 0)
+    {
+        return mb_strripos($s, $needle, $offset, '8bit');
+    }
+
+    public static function strstr($s, $needle, $part = false)
+    {
+        return mb_strstr($s, $needle, $part, '8bit');
+    }
+}

vendor/symfony/polyfill-util/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2015-2018 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/symfony/polyfill-util/LegacyTestListener.php

@@ -0,0 +1,84 @@
+<?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\Polyfill\Util;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class LegacyTestListener extends \PHPUnit_Framework_TestSuite implements \PHPUnit_Framework_TestListener
+{
+    private $suite;
+    private $trait;
+
+    public function __construct(\PHPUnit_Framework_TestSuite $suite = null)
+    {
+        if ($suite) {
+            $this->suite = $suite;
+            $this->setName($suite->getName().' with polyfills enabled');
+            $this->addTest($suite);
+        }
+        $this->trait = new TestListenerTrait();
+    }
+
+    public function startTestSuite(\PHPUnit_Framework_TestSuite $suite)
+    {
+        $this->trait->startTestSuite($suite);
+    }
+
+    protected function setUp()
+    {
+        TestListenerTrait::$enabledPolyfills = $this->suite->getName();
+    }
+
+    protected function tearDown()
+    {
+        TestListenerTrait::$enabledPolyfills = false;
+    }
+
+    public function addError(\PHPUnit_Framework_Test $test, \Exception $e, $time)
+    {
+        $this->trait->addError($test, $e, $time);
+    }
+
+    public function addWarning(\PHPUnit_Framework_Test $test, \PHPUnit_Framework_Warning $e, $time)
+    {
+    }
+
+    public function addFailure(\PHPUnit_Framework_Test $test, \PHPUnit_Framework_AssertionFailedError $e, $time)
+    {
+        $this->trait->addError($test, $e, $time);
+    }
+
+    public function addIncompleteTest(\PHPUnit_Framework_Test $test, \Exception $e, $time)
+    {
+    }
+
+    public function addRiskyTest(\PHPUnit_Framework_Test $test, \Exception $e, $time)
+    {
+    }
+
+    public function addSkippedTest(\PHPUnit_Framework_Test $test, \Exception $e, $time)
+    {
+    }
+
+    public function endTestSuite(\PHPUnit_Framework_TestSuite $suite)
+    {
+    }
+
+    public function startTest(\PHPUnit_Framework_Test $test)
+    {
+    }
+
+    public function endTest(\PHPUnit_Framework_Test $test, $time)
+    {
+    }
+}

vendor/symfony/polyfill-util/README.md

@@ -0,0 +1,13 @@
+Symfony Polyfill / Util
+=======================
+
+This component provides binary-safe string functions, using the
+[mbstring](https://php.net/mbstring) extension when available.
+
+More information can be found in the
+[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
+
+License
+=======
+
+This library is released under the [MIT license](LICENSE).

vendor/symfony/polyfill-util/TestListener.php

@@ -0,0 +1,96 @@
+<?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\Polyfill\Util;
+
+use PHPUnit\Framework\AssertionFailedError;
+use PHPUnit\Framework\TestListener as TestListenerInterface;
+use PHPUnit\Framework\Test;
+use PHPUnit\Framework\TestSuite;
+use PHPUnit\Framework\Warning;
+
+if (class_exists('PHPUnit_Runner_Version') && version_compare(\PHPUnit_Runner_Version::id(), '6.0.0', '<')) {
+    class_alias('Symfony\Polyfill\Util\LegacyTestListener', 'Symfony\Polyfill\Util\TestListener');
+// Using an early return instead of a else does not work when using the PHPUnit phar due to some weird PHP behavior (the class
+// gets defined without executing the code before it and so the definition is not properly conditional)
+} else {
+    /**
+     * @author Nicolas Grekas <p@tchwork.com>
+     */
+    class TestListener extends TestSuite implements TestListenerInterface
+    {
+        private $suite;
+        private $trait;
+
+        public function __construct(TestSuite $suite = null)
+        {
+            if ($suite) {
+                $this->suite = $suite;
+                $this->setName($suite->getName().' with polyfills enabled');
+                $this->addTest($suite);
+            }
+            $this->trait = new TestListenerTrait();
+        }
+
+        public function startTestSuite(TestSuite $suite)
+        {
+            $this->trait->startTestSuite($suite);
+        }
+
+        protected function setUp()
+        {
+            TestListenerTrait::$enabledPolyfills = $this->suite->getName();
+        }
+
+        protected function tearDown()
+        {
+            TestListenerTrait::$enabledPolyfills = false;
+        }
+
+        public function addError(Test $test, \Exception $e, $time)
+        {
+            $this->trait->addError($test, $e, $time);
+        }
+
+        public function addWarning(Test $test, Warning $e, $time)
+        {
+        }
+
+        public function addFailure(Test $test, AssertionFailedError $e, $time)
+        {
+            $this->trait->addError($test, $e, $time);
+        }
+
+        public function addIncompleteTest(Test $test, \Exception $e, $time)
+        {
+        }
+
+        public function addRiskyTest(Test $test, \Exception $e, $time)
+        {
+        }
+
+        public function addSkippedTest(Test $test, \Exception $e, $time)
+        {
+        }
+
+        public function endTestSuite(TestSuite $suite)
+        {
+        }
+
+        public function startTest(Test $test)
+        {
+        }
+
+        public function endTest(Test $test, $time)
+        {
+        }
+    }
+}

vendor/symfony/polyfill-util/TestListenerTrait.php

@@ -0,0 +1,107 @@
+<?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\Polyfill\Util;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class TestListenerTrait
+{
+    public static $enabledPolyfills;
+
+    public function startTestSuite($mainSuite)
+    {
+        if (null !== self::$enabledPolyfills) {
+            return;
+        }
+        self::$enabledPolyfills = false;
+        $SkippedTestError = class_exists('PHPUnit\Framework\SkippedTestError') ? 'PHPUnit\Framework\SkippedTestError' : 'PHPUnit_Framework_SkippedTestError';
+        $TestListener = class_exists('Symfony\Polyfill\Util\TestListener', false) ? 'Symfony\Polyfill\Util\TestListener' : 'Symfony\Polyfill\Util\LegacyTestListener';
+
+        foreach ($mainSuite->tests() as $suite) {
+            $testClass = $suite->getName();
+            if (!$tests = $suite->tests()) {
+                continue;
+            }
+            if (!preg_match('/^(.+)\\\\Tests(\\\\.*)Test$/', $testClass, $m)) {
+                $mainSuite->addTest($TestListener::warning('Unknown naming convention for '.$testClass));
+                continue;
+            }
+            if (!class_exists($m[1].$m[2])) {
+                continue;
+            }
+            $testedClass = new \ReflectionClass($m[1].$m[2]);
+            $bootstrap = new \SplFileObject(dirname($testedClass->getFileName()).'/bootstrap.php');
+            $warnings = array();
+            $defLine = null;
+
+            foreach (new \RegexIterator($bootstrap, '/return p\\\\'.$testedClass->getShortName().'::/') as $defLine) {
+                if (!preg_match('/^\s*function (?P<name>[^\(]++)(?P<signature>\([^\)]*+\)) \{ (?<return>return p\\\\'.$testedClass->getShortName().'::[^\(]++)(?P<args>\([^\)]*+\)); \}$/', $defLine, $f)) {
+                    $warnings[] = $TestListener::warning('Invalid line in bootstrap.php: '.trim($defLine));
+                    continue;
+                }
+                $testNamespace = substr($testClass, 0, strrpos($testClass, '\\'));
+                if (function_exists($testNamespace.'\\'.$f['name'])) {
+                    continue;
+                }
+
+                try {
+                    $r = new \ReflectionFunction($f['name']);
+                    if ($r->isUserDefined()) {
+                        throw new \ReflectionException();
+                    }
+                    if (false !== strpos($f['signature'], '&')) {
+                        $defLine = sprintf('return \\%s%s', $f['name'], $f['args']);
+                    } else {
+                        $defLine = sprintf("return \\call_user_func_array('%s', func_get_args())", $f['name']);
+                    }
+                } catch (\ReflectionException $e) {
+                    $defLine = sprintf("throw new \\{$SkippedTestError}('Internal function not found: %s')", $f['name']);
+                }
+
+                eval(<<<EOPHP
+namespace {$testNamespace};
+
+use Symfony\Polyfill\Util\TestListenerTrait;
+use {$testedClass->getNamespaceName()} as p;
+
+function {$f['name']}{$f['signature']}
+{
+    if ('{$testClass}' === TestListenerTrait::\$enabledPolyfills) {
+        {$f['return']}{$f['args']};
+    }
+
+    {$defLine};
+}
+EOPHP
+                );
+            }
+            if (!$warnings && null === $defLine) {
+                $warnings[] = new $SkippedTestError('No Polyfills found in bootstrap.php for '.$testClass);
+            } else {
+                $mainSuite->addTest(new $TestListener($suite));
+            }
+        }
+        foreach ($warnings as $w) {
+            $mainSuite->addTest($w);
+        }
+    }
+
+    public function addError($test, \Exception $e, $time)
+    {
+        if (false !== self::$enabledPolyfills) {
+            $r = new \ReflectionProperty('Exception', 'message');
+            $r->setAccessible(true);
+            $r->setValue($e, 'Polyfills enabled, '.$r->getValue($e));
+        }
+    }
+}

vendor/symfony/polyfill-util/composer.json

@@ -0,0 +1,30 @@
+{
+    "name": "symfony/polyfill-util",
+    "type": "library",
+    "description": "Symfony utilities for portability of PHP codes",
+    "keywords": ["polyfill", "shim", "compat", "compatibility"],
+    "homepage": "https://symfony.com",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Nicolas Grekas",
+            "email": "p@tchwork.com"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.3"
+    },
+    "autoload": {
+        "psr-4": { "Symfony\\Polyfill\\Util\\": "" }
+    },
+    "minimum-stability": "dev",
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.8-dev"
+        }
+    }
+}