138 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			138 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <fabien@symfony.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\Ldap\Adapter\ExtLdap;
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use Symfony\Component\Ldap\Adapter\CollectionInterface;
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use Symfony\Component\Ldap\Entry;
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use Symfony\Component\Ldap\Exception\LdapException;
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/**
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 * @author Charles Sarrazin <charles@sarraz.in>
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 */
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class Collection implements CollectionInterface
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{
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    private Connection $connection;
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    private Query $search;
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    /** @var list<Entry> */
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    private array $entries;
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    public function __construct(Connection $connection, Query $search)
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    {
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        $this->connection = $connection;
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        $this->search = $search;
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    }
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    public function toArray(): array
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    {
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        return $this->entries ??= iterator_to_array($this->getIterator(), false);
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    }
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    public function count(): int
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    {
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        $con = $this->connection->getResource();
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        $searches = $this->search->getResources();
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        $count = 0;
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        foreach ($searches as $search) {
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            $searchCount = ldap_count_entries($con, $search);
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            if (false === $searchCount) {
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                throw new LdapException('Error while retrieving entry count: '.ldap_error($con));
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            }
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            $count += $searchCount;
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        }
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        return $count;
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    }
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    public function getIterator(): \Traversable
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    {
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        if (0 === $this->count()) {
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            return;
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        }
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        $con = $this->connection->getResource();
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        $searches = $this->search->getResources();
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        foreach ($searches as $search) {
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            $current = ldap_first_entry($con, $search);
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            if (false === $current) {
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                throw new LdapException('Could not rewind entries array: '.ldap_error($con));
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            }
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            yield $this->getSingleEntry($con, $current);
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            while (false !== $current = ldap_next_entry($con, $current)) {
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                yield $this->getSingleEntry($con, $current);
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            }
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        }
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    }
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    public function offsetExists(mixed $offset): bool
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    {
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        $this->toArray();
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        return isset($this->entries[$offset]);
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    }
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    public function offsetGet(mixed $offset): ?Entry
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    {
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        $this->toArray();
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        return $this->entries[$offset] ?? null;
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    }
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    public function offsetSet(mixed $offset, mixed $value): void
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    {
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        $this->toArray();
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        $this->entries[$offset] = $value;
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    }
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    public function offsetUnset($offset): void
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    {
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        $this->toArray();
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        unset($this->entries[$offset]);
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    }
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    private function getSingleEntry($con, $current): Entry
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    {
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        $attributes = ldap_get_attributes($con, $current);
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        if (false === $attributes) {
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            throw new LdapException('Could not fetch attributes: '.ldap_error($con));
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        }
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        $attributes = $this->cleanupAttributes($attributes);
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        $dn = ldap_get_dn($con, $current);
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        if (false === $dn) {
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            throw new LdapException('Could not fetch DN: '.ldap_error($con));
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        }
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        return new Entry($dn, $attributes);
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    }
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    private function cleanupAttributes(array $entry): array
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    {
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        $attributes = array_diff_key($entry, array_flip(range(0, $entry['count'] - 1)) + [
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                'count' => null,
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                'dn' => null,
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            ]);
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        array_walk($attributes, function (&$value) {
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            unset($value['count']);
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        });
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        return $attributes;
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    }
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}
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