LDAPResources.php
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LDAPResources.php
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	<?php

	/**
	* CardDAV Directory class providing read-only access
	* to an LDAP-based resources address book.
	*/

	namespace Kolab\CardDAV;

	use \rcube;
	use \rcube_ldap;
	use \rcube_ldap_generic;
	use Sabre\DAV;
	use Sabre\DAVACL;
	use Sabre\CardDAV\Property;
	use Kolab\Utils\VObjectUtils;

	class LDAPResources extends LDAPDirectory
	{
	const DIRECTORY_NAME = 'ldap-resources';

	/**
	* Default constructor
	*/
	function __construct($config, $principalUri, $carddavBackend = null)
	{
	$this->config = $config;
	$this->principalUri = $principalUri;

	$this->addressBookInfo = array(
	'id' => self::DIRECTORY_NAME,
	'uri' => self::DIRECTORY_NAME,
	'{DAV:}displayname' => $config['name'] ?: "LDAP Resources",
	'{urn:ietf:params:xml:ns:carddav}supported-address-data' => new Property\SupportedAddressData(),
	'principaluri' => $principalUri,
	);

	// used for vcard serialization
	$this->carddavBackend = $carddavBackend ?: new ContactsBackend();
	$this->carddavBackend->ldap_resources = $this;

	// initialize cache. We need a different address space from GAL
	// so don't mix our caches
	$rcube = rcube::get_instance();
	if ($rcube->config->get('kolabdav_res_cache')) {
	$this->cache = $rcube->get_cache_shared('kolabdav_res');

	// expunge cache every now and then
	if (rand(0,10) === 0) {
	$this->cache->expunge();
	}
	}
	}

	/**
	* Returns the name of the node.
	*
	* This is used to generate the url.
	*
	* @return string
	*/
	function getName()
	{
	return self::DIRECTORY_NAME;
	}
	}