forked from extern/egroupware
677 lines
23 KiB
PHP
677 lines
23 KiB
PHP
<?php
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/**
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* EGroupware: GroupDAV access: addressbook handler
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*
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* @link http://www.egroupware.org
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package addressbook
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* @subpackage groupdav
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @copyright (c) 2007-11 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @version $Id$
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*/
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/**
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* EGroupware: GroupDAV access: addressbook handler
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*
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* Propfind now uses a groupdav_propfind_iterator with a callback to query huge addressbooks in chunk,
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* without getting into problems with memory_limit.
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*
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* @todo create extra addressbook eg. "/accounts/" which shows accounts, even if they are in LDAP (no carddav_name column!)
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*/
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class addressbook_groupdav extends groupdav_handler
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{
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/**
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* bo class of the application
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*
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* @var addressbook_bo
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*/
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var $bo;
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var $filter_prop2cal = array(
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'UID' => 'uid',
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//'NICKNAME',
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'EMAIL' => 'email',
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'FN' => 'n_fn',
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'ORG' => 'org_name',
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);
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var $supportedFields = array(
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'ADR;WORK' => array('','adr_one_street2','adr_one_street','adr_one_locality','adr_one_region',
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'adr_one_postalcode','adr_one_countryname'),
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'ADR;HOME' => array('','adr_two_street2','adr_two_street','adr_two_locality','adr_two_region',
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'adr_two_postalcode','adr_two_countryname'),
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'BDAY' => array('bday'),
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//'CLASS' => array('private'),
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//'CATEGORIES' => array('cat_id'),
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'EMAIL;WORK' => array('email'),
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'EMAIL;HOME' => array('email_home'),
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'N' => array('n_family','n_given','n_middle',
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'n_prefix','n_suffix'),
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'FN' => array('n_fn'),
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'NOTE' => array('note'),
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'ORG' => array('org_name','org_unit','room'),
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'TEL;CELL;WORK' => array('tel_cell'),
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'TEL;CELL;HOME' => array('tel_cell_private'),
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'TEL;CAR' => array('tel_car'),
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'TEL;OTHER' => array('tel_other'),
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'TEL;VOICE;WORK' => array('tel_work'),
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'TEL;FAX;WORK' => array('tel_fax'),
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'TEL;HOME;VOICE' => array('tel_home'),
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'TEL;FAX;HOME' => array('tel_fax_home'),
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'TEL;PAGER' => array('tel_pager'),
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'TITLE' => array('title'),
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'URL;WORK' => array('url'),
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'URL;HOME' => array('url_home'),
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'ROLE' => array('role'),
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'NICKNAME' => array('label'),
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'FBURL' => array('freebusy_uri'),
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'PHOTO' => array('jpegphoto'),
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'X-ASSISTANT' => array('assistent'),
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'X-ASSISTANT-TEL' => array('tel_assistent'),
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'UID' => array('uid'),
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);
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/**
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* Charset for exporting data, as some clients ignore the headers specifying the charset
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*
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* @var string
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*/
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var $charset = 'utf-8';
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/**
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* Constructor
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*
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* @param string $app 'calendar', 'addressbook' or 'infolog'
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* @param groupdav $groupdav calling class
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*/
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function __construct($app, groupdav $groupdav)
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{
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parent::__construct($app, $groupdav);
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$this->bo = new addressbook_bo();
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// since 1.9.007 we allow clients to specify the URL when creating a new contact, as specified by CardDAV
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if ($this->bo->account_repository != 'ldap' &&
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version_compare($GLOBALS['egw_info']['apps']['phpgwapi']['version'], '1.9.007', '>='))
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{
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groupdav_handler::$path_attr = 'carddav_name';
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groupdav_handler::$path_extension = '';
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}
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else
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{
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groupdav_handler::$path_extension = '.vcf';
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}
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}
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/**
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* Handle propfind in the addressbook folder
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*
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* @param string $path
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* @param array $options
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* @param array &$files
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* @param int $user account_id
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* @param string $id=''
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function propfind($path,$options,&$files,$user,$id='')
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{
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$filter = array();
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// show addressbook of a single user?
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if ($user && $path != '/addressbook/') $filter['contact_owner'] = $user;
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// should we hide the accounts addressbook
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if ($GLOBALS['egw_info']['user']['preferences']['addressbook']['hide_accounts']) $filter['account_id'] = null;
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// process REPORT filters or multiget href's
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if (($id || $options['root']['name'] != 'propfind') && !$this->_report_filters($options,$filter,$id, $nresults))
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{
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return false;
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}
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if ($id) $path = dirname($path).'/'; // carddav_name get's added anyway in the callback
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if ($this->debug) error_log(__METHOD__."($path,".array2string($options).",,$user,$id) filter=".array2string($filter));
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// check if we have to return the full contact data or just the etag's
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if (!($filter['address_data'] = $options['props'] == 'all' &&
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$options['root']['ns'] == groupdav::CARDDAV) && is_array($options['props']))
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{
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foreach($options['props'] as $prop)
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{
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if ($prop['name'] == 'address-data')
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{
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$filter['address_data'] = true;
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break;
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}
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}
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}
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if (isset($nresults))
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{
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$files['files'] = $this->propfind_callback($path, $filter, array(0, (int)$nresults));
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}
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else
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{
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// return iterator, calling ourself to return result in chunks
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$files['files'] = new groupdav_propfind_iterator($this,$path,$filter,$files['files']);
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}
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return true;
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}
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/**
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* Callback for profind interator
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*
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* @param string $path
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* @param array $filter
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* @param array|boolean $start=false false=return all or array(start,num)
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* @return array with "files" array with values for keys path and props
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*/
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function &propfind_callback($path,array $filter,$start=false)
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{
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$starttime = microtime(true);
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if (($address_data = $filter['address_data']))
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{
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$handler = self::_get_handler();
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}
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unset($filter['address_data']);
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if (isset($filter['order']))
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{
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$order = $filter['order'];
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unset($filter['order']);
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}
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else
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{
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$order = 'egw_addressbook.contact_id';
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}
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$files = array();
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// we query etag and modified, as LDAP does not have the strong sql etag
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$cols = array('id','uid','etag','modified');
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if (!in_array(self::$path_attr,$cols)) $cols[] = self::$path_attr;
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if (($contacts =& $this->bo->search(array(),$cols,$order,'','',False,'AND',$start,$filter)))
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{
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foreach($contacts as &$contact)
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{
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$props = array(
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'getcontenttype' => HTTP_WebDAV_Server::mkprop('getcontenttype', 'text/vcard'),
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);
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if ($address_data)
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{
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$content = $handler->getVCard($contact['id'],$this->charset,false);
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$props['getcontentlength'] = bytes($content);
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$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'address-data',$content,true);
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}
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$files[] = $this->add_resource($path, $contact, $props);
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}
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}
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if ($this->debug) error_log(__METHOD__."($path,".array2string($filter).','.array2string($start).") took ".(microtime(true) - $starttime).' to return '.count($files).' items');
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return $files;
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}
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/**
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* Process the filters from the CalDAV REPORT request
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*
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* @param array $options
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* @param array &$cal_filters
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* @param string $id
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* @param int &$nresult on return limit for number or results or unchanged/null
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* @return boolean true if filter could be processed
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*/
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function _report_filters($options,&$filters,$id, &$nresults)
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{
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if ($options['filters'])
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{
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/* Example of a complex filter used by Mac Addressbook
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<B:filter test="anyof">
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<B:prop-filter name="FN" test="allof">
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<B:text-match collation="i;unicode-casemap" match-type="contains">becker</B:text-match>
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<B:text-match collation="i;unicode-casemap" match-type="contains">ralf</B:text-match>
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</B:prop-filter>
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<B:prop-filter name="EMAIL" test="allof">
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<B:text-match collation="i;unicode-casemap" match-type="contains">becker</B:text-match>
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<B:text-match collation="i;unicode-casemap" match-type="contains">ralf</B:text-match>
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</B:prop-filter>
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<B:prop-filter name="NICKNAME" test="allof">
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<B:text-match collation="i;unicode-casemap" match-type="contains">becker</B:text-match>
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<B:text-match collation="i;unicode-casemap" match-type="contains">ralf</B:text-match>
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</B:prop-filter>
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</B:filter>
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*/
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$filter_test = isset($options['filters']['attrs']) && isset($options['filters']['attrs']['test']) ?
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$options['filters']['attrs']['test'] : 'anyof';
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$prop_filters = array();
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foreach($options['filters'] as $n => $filter)
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{
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if (!is_int($n)) continue; // eg. attributes of filter xml element
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switch((string)$filter['name'])
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{
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case 'param-filter':
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error_log(__METHOD__."(...) param-filter='{$filter['attrs']['name']}' not (yet) implemented!");
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break;
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case 'prop-filter': // can be multiple prop-filter, see example
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if ($matches) $prop_filters[] = implode($prop_test=='allof'?' AND ':' OR ',$matches);
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$matches = array();
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$prop_filter = strtoupper($filter['attrs']['name']);
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$prop_test = isset($filter['attrs']['test']) ? $filter['attrs']['test'] : 'anyof';
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if ($this->debug > 1) error_log(__METHOD__."(...) prop-filter='$prop_filter', test='$prop_test'");
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break;
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case 'is-not-defined':
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$matches[] = '('.$column."='' OR ".$column.' IS NULL)';
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break;
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case 'text-match': // prop-filter can have multiple text-match, see example
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if (!isset($this->filter_prop2cal[$prop_filter])) // eg. not existing NICKNAME in EGroupware
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{
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if ($this->debug || $prop_filter != 'NICKNAME') error_log(__METHOD__."(...) text-match: $prop_filter {$filter['attrs']['match-type']} '{$filter['data']}' unknown property '$prop_filter' --> ignored");
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$column = false; // to ignore following data too
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}
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else
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{
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switch($filter['attrs']['collation']) // todo: which other collations allowed, we are allways unicode
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{
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case 'i;unicode-casemap':
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default:
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$comp = ' '.$GLOBALS['egw']->db->capabilities[egw_db::CAPABILITY_CASE_INSENSITIV_LIKE].' ';
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break;
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}
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$column = $this->filter_prop2cal[strtoupper($prop_filter)];
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if (strpos($column, '_') === false) $column = 'contact_'.$column;
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if (!isset($filters['order'])) $filters['order'] = $column;
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$match_type = $filter['attrs']['match-type'];
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$negate_condition = isset($filter['attrs']['negate-condition']) && $filter['attrs']['negate-condition'] == 'yes';
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}
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break;
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case '': // data of text-match element
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if (isset($filter['data']) && isset($column))
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{
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if ($column) // false for properties not known to EGroupware
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{
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$value = str_replace(array('%', '_'), array('\\%', '\\_'), $filter['data']);
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switch($match_type)
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{
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case 'equals':
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$sql_filter = $column . $comp . $GLOBALS['egw']->db->quote($value);
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break;
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default:
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case 'contains':
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$sql_filter = $column . $comp . $GLOBALS['egw']->db->quote('%'.$value.'%');
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break;
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case 'starts-with':
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$sql_filter = $column . $comp . $GLOBALS['egw']->db->quote($value.'%');
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break;
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case 'ends-with':
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$sql_filter = $column . $comp . $GLOBALS['egw']->db->quote('%'.$value);
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break;
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}
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$matches[] = ($negate_condition ? 'NOT ' : '').$sql_filter;
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if ($this->debug > 1) error_log(__METHOD__."(...) text-match: $prop_filter $match_type' '{$filter['data']}'");
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}
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unset($column);
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break;
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}
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// fall through
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default:
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error_log(__METHOD__."(".array2string($options).",,$id) unknown filter=".array2string($filter).' --> ignored');
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break;
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}
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}
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if ($matches) $prop_filters[] = implode($prop_test=='allof'?' AND ':' OR ',$matches);
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if ($prop_filters)
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{
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$filters[] = $filter = '(('.implode($filter_test=='allof'?') AND (':') OR (', $prop_filters).'))';
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if ($this->debug) error_log(__METHOD__."($path,...) sql-filter: $filter");
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}
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}
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// parse limit from $options['other']
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/* Example limit
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<B:limit>
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<B:nresults>10</B:nresults>
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</B:limit>
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*/
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foreach($options['other'] as $option)
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{
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switch($option['name'])
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{
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case 'nresults':
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$nresults = (int)$option['data'];
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//error_log(__METHOD__."(...) options[other]=".array2string($options['other'])." --> nresults=$nresults");
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break;
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case 'limit':
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break;
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default:
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error_log(__METHOD__."(...) unknown xml: options[other]=".array2string($options['other']));
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break;
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}
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}
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// multiget --> fetch the url's
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if ($options['root']['name'] == 'addressbook-multiget')
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{
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$ids = array();
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foreach($options['other'] as $option)
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{
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if ($option['name'] == 'href')
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{
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$parts = explode('/',$option['data']);
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if (($id = array_pop($parts)))
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{
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$ids[] = groupdav_handler::$path_extension ? basename($id,groupdav_handler::$path_extension) : $id;
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}
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}
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}
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if ($ids) $filters[self::$path_attr] = $ids;
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if ($this->debug) error_log(__METHOD__."(...) addressbook-multiget: ids=".implode(',',$ids));
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}
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elseif ($id)
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{
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$filters[self::$path_attr] = groupdav_handler::$path_extension ? basename($id,groupdav_handler::$path_extension) : $id;
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}
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return true;
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}
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/**
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* Handle get request for an event
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*
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* @param array &$options
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* @param int $id
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* @param int $user=null account_id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function get(&$options,$id,$user=null)
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{
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if (!is_array($contact = $this->_common_get_put_delete('GET',$options,$id)))
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{
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return $contact;
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}
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$handler = self::_get_handler();
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$options['data'] = $handler->getVCard($contact['id'],$this->charset,false);
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// e.g. Evolution does not understand 'text/vcard'
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$options['mimetype'] = 'text/x-vcard; charset='.$this->charset;
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header('Content-Encoding: identity');
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header('ETag: "'.$this->get_etag($contact).'"');
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return true;
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}
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/**
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* Handle put request for a contact
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*
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* @param array &$options
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* @param int $id
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* @param int $user=null account_id of owner, default null
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* @param string $prefix=null user prefix from path (eg. /ralf from /ralf/addressbook)
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function put(&$options,$id,$user=null,$prefix=null)
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{
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if ($this->debug) error_log(__METHOD__.'('.array2string($options).",$id,$user)");
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$oldContact = $this->_common_get_put_delete('PUT',$options,$id);
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if (!is_null($oldContact) && !is_array($oldContact))
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{
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return $oldContact;
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}
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$handler = self::_get_handler();
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$vCard = htmlspecialchars_decode($options['content']);
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// Fix for Apple Addressbook
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$vCard = preg_replace('/item\d\.(ADR|TEL|EMAIL|URL)/', '\1', $vCard);
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$charset = null;
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if (!empty($options['content_type']))
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{
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$content_type = explode(';', $options['content_type']);
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if (count($content_type) > 1)
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{
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array_shift($content_type);
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foreach ($content_type as $attribute)
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{
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trim($attribute);
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list($key, $value) = explode('=', $attribute);
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switch (strtolower($key))
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{
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case 'charset':
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$charset = strtoupper(substr($value,1,-1));
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}
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}
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}
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}
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$contact = $handler->vcardtoegw($vCard, $charset);
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if (is_array($oldContact) || ($oldContact = $this->bo->read(array('contact_uid' => $contact['uid']))))
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{
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$contactId = $oldContact['id'];
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$retval = true;
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}
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else
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{
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// new entry
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$contactId = -1;
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$retval = '201 Created';
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}
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if (is_array($contact['cat_id']))
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{
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$contact['cat_id'] = implode(',',$this->bo->find_or_add_categories($contact['cat_id'], $contactId));
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}
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elseif ($contactId > 0)
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{
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$contact['cat_id'] = $oldContact['cat_id'];
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}
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if (is_array($oldContact))
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{
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$contact['id'] = $oldContact['id'];
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// dont allow the client to overwrite certain values
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$contact['uid'] = $oldContact['uid'];
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$contact['owner'] = $oldContact['owner'];
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$contact['private'] = $oldContact['private'];
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$contact['carddav_name'] = $oldContact['carddav_name'];
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}
|
|
else
|
|
{
|
|
$contact['carddav_name'] = $id;
|
|
}
|
|
// only set owner, if user is explicitly specified in URL (check via prefix, NOT for /addressbook/ !)
|
|
if ($prefix)
|
|
{
|
|
// check for modified owners, if user has an add right for the new addressbook and
|
|
// delete rights for the old addressbook (_common_get_put_delete checks for PUT only EGW_ACL_EDIT)
|
|
if ($oldContact && $user != $oldContact['owner'] && !($this->bo->grants[$user] & EGW_ACL_ADD) &&
|
|
(!$this->bo->grants[$oldContact['owner']] & EGW_ACL_DELETE))
|
|
{
|
|
return '403 Forbidden';
|
|
}
|
|
$contact['owner'] = $user;
|
|
}
|
|
if ($this->http_if_match) $contact['etag'] = self::etag2value($this->http_if_match);
|
|
|
|
if (!($save_ok = $this->bo->save($contact)))
|
|
{
|
|
if ($this->debug) error_log(__METHOD__."(,$id) save(".array2string($contact).") failed, Ok=$save_ok");
|
|
if ($save_ok === 0)
|
|
{
|
|
return '412 Precondition Failed';
|
|
}
|
|
return '403 Forbidden'; // happens when writing new entries in AB's without ADD rights
|
|
}
|
|
|
|
if (!isset($contact['etag']))
|
|
{
|
|
$contact = $this->read($save_ok);
|
|
}
|
|
|
|
// we should not return an etag here, as we never store the PUT vcard byte-by-byte
|
|
//header('ETag: "'.$this->get_etag($contact).'"');
|
|
|
|
// send GroupDAV Location header only if we dont use carddav_name as path-attribute
|
|
if ($retval !== true && self::$path_attr == 'id')
|
|
{
|
|
$path = preg_replace('|(.*)/[^/]*|', '\1/', $options['path']);
|
|
header($h='Location: '.$this->base_uri.$path.self::get_path($contact));
|
|
if ($this->debug) error_log(__METHOD__."($method,,$id) header('$h'): $retval");
|
|
}
|
|
return $retval;
|
|
}
|
|
|
|
/**
|
|
* Query ctag for addressbook
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getctag($path,$user)
|
|
{
|
|
// not showing addressbook of a single user?
|
|
if (!$user || $path == '/addressbook/') $user = null;
|
|
|
|
$ctag = $this->bo->get_ctag($user);
|
|
|
|
return 'EGw-'.$ctag.'-wGE';
|
|
}
|
|
|
|
/**
|
|
* Add the privileges of the current user
|
|
*
|
|
* @param array $props=array() regular props by the groupdav handler
|
|
* @return array
|
|
*/
|
|
static function current_user_privilege_set(array $props=array())
|
|
{
|
|
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::DAV,'current-user-privilege-set',
|
|
array(HTTP_WebDAV_Server::mkprop(groupdav::DAV,'privilege',
|
|
array(
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'read',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'read-free-busy',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'read-current-user-privilege-set',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'bind',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'unbind',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-post',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-post-vevent',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-respond',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-respond-vevent',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-deliver',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-deliver-vevent',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'write',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'write-properties',''),
|
|
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'write-content',''),
|
|
))));
|
|
return $props;
|
|
}
|
|
|
|
/**
|
|
* Add extra properties for addressbook collections
|
|
*
|
|
* Example for supported-report-set syntax from Apples Calendarserver:
|
|
* <D:supported-report-set>
|
|
* <supported-report>
|
|
* <report>
|
|
* <addressbook-query xmlns='urn:ietf:params:xml:ns:carddav'/>
|
|
* </report>
|
|
* </supported-report>
|
|
* <supported-report>
|
|
* <report>
|
|
* <addressbook-multiget xmlns='urn:ietf:params:xml:ns:carddav'/>
|
|
* </report>
|
|
* </supported-report>
|
|
* </D:supported-report-set>
|
|
* @link http://www.mail-archive.com/calendarserver-users@lists.macosforge.org/msg01156.html
|
|
*
|
|
* @param array $props=array() regular props by the groupdav handler
|
|
* @param string $displayname
|
|
* @param string $base_uri=null base url of handler
|
|
* @return array
|
|
*/
|
|
static function extra_properties(array $props=array(), $displayname, $base_uri=null)
|
|
{
|
|
// addressbook description
|
|
$displayname = translation::convert(lang('Addressbook of') . ' ' .
|
|
$displayname,translation::charset(),'utf-8');
|
|
$props['addressbook-description'] = HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-description',$displayname);
|
|
// supported reports (required property for CardDAV)
|
|
$props['supported-report-set'] = HTTP_WebDAV_Server::mkprop('supported-report-set',array(
|
|
HTTP_WebDAV_Server::mkprop('supported-report',array(
|
|
HTTP_WebDAV_Server::mkprop('report',array(
|
|
HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-query',''))))),
|
|
HTTP_WebDAV_Server::mkprop('supported-report',array(
|
|
HTTP_WebDAV_Server::mkprop('report',array(
|
|
HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-multiget',''))))),
|
|
));
|
|
return $props;
|
|
}
|
|
|
|
/**
|
|
* Get the handler and set the supported fields
|
|
*
|
|
* @return addressbook_vcal
|
|
*/
|
|
private function _get_handler()
|
|
{
|
|
if ($this->agent != 'cfnetwork' && $this->agent != 'dataaccess')
|
|
{
|
|
// Apple Addressbook don't support CLASS
|
|
$this->supportedFields['CLASS'] = array('private');
|
|
$this->supportedFields['CATEGORIES'] = array('cat_id');
|
|
}
|
|
$handler = new addressbook_vcal('addressbook','text/vcard');
|
|
$handler->setSupportedFields('GroupDAV',$this->agent, $this->supportedFields);
|
|
|
|
return $handler;
|
|
}
|
|
|
|
/**
|
|
* Handle delete request for an event
|
|
*
|
|
* @param array &$options
|
|
* @param int $id
|
|
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
|
|
*/
|
|
function delete(&$options,$id)
|
|
{
|
|
if (!is_array($contact = $this->_common_get_put_delete('DELETE',$options,$id)))
|
|
{
|
|
return $contact;
|
|
}
|
|
if (($Ok = $this->bo->delete($contact['id'],self::etag2value($this->http_if_match))) === 0)
|
|
{
|
|
return '412 Precondition Failed';
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Read a contact
|
|
*
|
|
* We have to make sure to not return or even consider in read deleted contacts, as the might have
|
|
* the same UID and/or carddav_name as not deleted contacts and would block access to valid entries
|
|
*
|
|
* @param string|id $id
|
|
* @return array/boolean array with entry, false if no read rights, null if $id does not exist
|
|
*/
|
|
function read($id)
|
|
{
|
|
static $non_deleted_tids;
|
|
if (is_null($non_deleted_tids))
|
|
{
|
|
$non_deleted_tids = $this->bo->content_types;
|
|
unset($non_deleted_tids[addressbook_so::DELETED_TYPE]);
|
|
$non_deleted_tids = array_keys($non_deleted_tids);
|
|
}
|
|
$contact = $this->bo->read(array(self::$path_attr => $id, 'tid' => $non_deleted_tids));
|
|
|
|
if ($contact && $contact['tid'] == addressbook_so::DELETED_TYPE)
|
|
{
|
|
$contact = null; // handle deleted events, as not existing (404 Not Found)
|
|
}
|
|
return $contact;
|
|
}
|
|
|
|
/**
|
|
* Check if user has the neccessary rights on a contact
|
|
*
|
|
* @param int $acl EGW_ACL_READ, EGW_ACL_EDIT or EGW_ACL_DELETE
|
|
* @param array/int $contact contact-array or id
|
|
* @return boolean null if entry does not exist, false if no access, true if access permitted
|
|
*/
|
|
function check_access($acl,$contact)
|
|
{
|
|
return $this->bo->check_perms($acl,$contact);
|
|
}
|
|
}
|