mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-23 08:23:12 +01:00
7f14a2a196
not sure why I used $this->bo->account_repository != "ldap", it makes no sense, as we specify the column explicitly, no idea if CardDAV works for an addressbook in LDAP, but now it works for accounts in LDAP too
676 lines
23 KiB
PHP
676 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 (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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case 'href':
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break; // from addressbook-multiget, handled below
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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'];
|
|
// dont allow the client to overwrite certain values
|
|
$contact['uid'] = $oldContact['uid'];
|
|
$contact['owner'] = $oldContact['owner'];
|
|
$contact['private'] = $oldContact['private'];
|
|
$contact['carddav_name'] = $oldContact['carddav_name'];
|
|
}
|
|
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;
|
|
|
|
return $this->bo->get_ctag($user);
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
* @param int $user=null account_id of owner of collection
|
|
* @return array
|
|
*/
|
|
public function extra_properties(array $props=array(), $displayname, $base_uri=null, $user=null)
|
|
{
|
|
// addressbook description
|
|
$displayname = translation::convert(lang('Addressbook of'),translation::charset(),'utf-8').' '.$displayname;
|
|
$props['addressbook-description'] = HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-description',$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);
|
|
}
|
|
}
|