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<?php
/**
* LDAP-based resource directory class using rcube_ldap functionality
*
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2014, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* LDAP-based resource directory implementation
*/
class resources_driver_ldap extends resources_driver
{
private $rc;
private $ldap;
/**
* Default constructor
*/
function __construct($cal)
{
$this->cal = $cal;
$this->rc = $cal->rc;
}
/**
* Fetch resource objects to be displayed for booking
*
* @param string Search query (optional)
* @return array List of resource records available for booking
*/
public function load_resources($query = null, $num = 5000)
{
if (!($ldap = $this->connect())) {
return array();
}
// TODO: apply paging
$ldap->set_pagesize($num);
if (isset($query)) {
$results = $ldap->search('*', $query, 0, true, true);
}
else {
$results = $ldap->list_records();
}
if ($results instanceof ArrayAccess) {
foreach ($results as $i => $rec) {
$results[$i] = $this->decode_resource($rec);
}
}
return $results;
}
/**
* Return properties of a single resource
*
* @param string Unique resource identifier
* @return array Resource object as hash array
*/
public function get_resource($dn)
{
$rec = null;
if ($ldap = $this->connect()) {
$rec = $ldap->get_record(rcube_ldap::dn_encode($dn), true);
if (!empty($rec)) {
$rec = $this->decode_resource($rec);
}
}
return $rec;
}
/**
* Return properties of a resource owner
*
* @param string Owner identifier
* @return array Resource object as hash array
*/
public function get_resource_owner($dn)
{
$owner = null;
if ($ldap = $this->connect()) {
$owner = $ldap->get_record(rcube_ldap::dn_encode($dn), true);
$owner['ID'] = rcube_ldap::dn_decode($owner['ID']);
unset($owner['_raw_attrib'], $owner['_type']);
}
return $owner;
}
/**
* Extract JSON-serialized attributes
*/
private function decode_resource($rec)
{
$rec['ID'] = rcube_ldap::dn_decode($rec['ID']);
if (is_array($rec['attributes']) && $rec['attributes'][0]) {
$attributes = array();
foreach ($rec['attributes'] as $sattr) {
$attr = @json_decode($sattr, true);
$attributes += $attr;
}
$rec['attributes'] = $attributes;
}
// force $rec['members'] to be an array
if (!empty($rec['members']) && !is_array($rec['members'])) {
$rec['members'] = array($rec['members']);
}
// remove unused cruft
unset($rec['_raw_attrib']);
return $rec;
}
private function connect()
{
if (!isset($this->ldap)) {
$this->ldap = new rcube_ldap($this->rc->config->get('calendar_resources_directory'), true);
}
return $this->ldap->ready ? $this->ldap : null;
}
}
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