mirror of
https://github.com/EGroupware/egroupware.git
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43f860ba8f
manufacturer and the recogniced GroupDAV client as product name. This way we are able to handle different GroupDAV clients, as we allready do with different SyncML clients. Also removed the no longer needed code enabling the use of the real UID, as SyncML does no longer misuse the UID for it's GUID.
341 lines
9.7 KiB
PHP
341 lines
9.7 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) 2007/8 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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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_vcal
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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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);
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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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* What attribute is used to construct the path, default id, can be uid too
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*/
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const PATH_ATTRIBUTE = 'id';
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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 int $debug=null debug-level to set
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* @param string $base_uri=null base url of handler
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*/
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function __construct($app,$debug=null,$base_uri=null)
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{
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parent::__construct($app,$debug,$base_uri);
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$this->bo =& new addressbook_bo();
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}
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/**
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* Create the path for a contact
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*
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* @param array $contact
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* @return string
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*/
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static function get_path($contact)
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{
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return '/addressbook/'.$contact[self::PATH_ATTRIBUTE].'.vcf';
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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,$id))
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{
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return false;
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}
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if ($this->debug) error_log(__METHOD__."($path,".array2string($options).",,$user,$id) filter=".array2string($filter));
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// check if we have to return the full calendar data or just the etag's
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if (!($address_data = $options['props'] == 'all' && $options['root']['ns'] == groupdav::CARDDAV) && is_array($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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$address_data = true;
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break;
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}
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}
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}
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if ($address_data)
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{
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$handler = self::_get_handler();
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}
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// we query etag and modified, as LDAP does not have the strong sql etag
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if (($contacts =& $this->bo->search(array(),$address_data ? false : array('id','uid','etag','modified'),'contact_id','','',False,'AND',false,$filter)))
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{
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foreach($contacts as $contact)
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{
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$props = array(
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HTTP_WebDAV_Server::mkprop('getetag',$this->get_etag($contact)),
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HTTP_WebDAV_Server::mkprop('getcontenttype', 'text/x-vcard'),
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// getlastmodified and getcontentlength are required by WebDAV and Cadaver eg. reports 404 Not found if not set
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HTTP_WebDAV_Server::mkprop('getlastmodified', $contact['modified']),
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);
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if ($address_data)
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{
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$content = $handler->getVCard($contact,$this->charset,false);
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$props[] = HTTP_WebDAV_Server::mkprop('getcontentlength',bytes($content));
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$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'address-data',$content);
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}
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else
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{
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$props[] = HTTP_WebDAV_Server::mkprop('getcontentlength', ''); // expensive to calculate and no CalDAV client uses it
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}
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$files['files'][] = array(
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'path' => self::get_path($contact),
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'props' => $props,
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);
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}
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}
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return true;
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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 $id
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* @return boolean true if filter could be processed, false for requesting not here supported VTODO items
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*/
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function _report_filters($options,&$filters,$id)
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{
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if ($options['filters'])
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{
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foreach($options['filters'] as $filter)
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{
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switch($filter['name'])
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{
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case 'prop-filter':
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if ($this->debug > 1) error_log(__METHOD__."($path,...) prop-filter='{$filter['attrs']['name']}'");
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$prop_filter = $filter['attrs']['name'];
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break;
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case 'text-match':
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if ($this->debug > 1) error_log(__METHOD__."($path,...) text-match: $prop_filter='{$filter['data']}'");
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if (!isset($this->filter_prop2cal[strtoupper($prop_filter)]))
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{
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if ($this->debug) error_log(__METHOD__."($path,".str_replace(array("\n",' '),'',print_r($options,true)).",,$user) unknown property '$prop_filter' --> ignored");
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}
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else
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{
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switch($filter['attrs']['match-type'])
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{
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default:
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case 'equals':
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$filters[$this->filter_prop2cal[strtoupper($prop_filter)]] = $filter['data'];
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break;
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case 'substr': // ToDo: check RFC4790
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$filters[] = $this->filter_prop2cal[strtoupper($prop_filter)].' LIKE '.$GLOBALS['egw']->db->quote($filter['data']);
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break;
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}
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}
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unset($prop_filter);
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break;
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case 'param-filter':
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if ($this->debug) error_log(__METHOD__."($path,...) param-filter='{$filter['attrs']['name']}' not (yet) implemented!");
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break;
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default:
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if ($this->debug) error_log(__METHOD__."($path,".array2string($options).",,$user) unknown filter --> ignored");
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break;
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}
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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))) $ids[] = basename($id,'.vcf');
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}
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}
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if ($ids) $filters[self::PATH_ATTRIBUTE] = $ids;
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if ($this->debug) error_log(__METHOD__."($path,,,$user) addressbook-multiget: ids=".implode(',',$ids));
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}
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elseif ($id)
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{
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$filters[self::PATH_ATTRIBUTE] = basename($id,'.vcf');
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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 $id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function get(&$options,$id)
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{
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if (!is_array($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'],$this->charset);
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$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($contact));
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return true;
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}
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/**
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* Handle put request for an event
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*
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* @param array &$options
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* @param int $id
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* @param int $user=null account_id of owner, default null
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function put(&$options,$id,$user=null)
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{
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$ok = $this->_common_get_put_delete('PUT',$options,$id);
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if (!is_null($ok) && !is_array($ok))
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{
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return $ok;
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}
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$handler = self::_get_handler();
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$contact = $handler->vcardtoegw($options['content']);
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if (!is_null($ok))
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{
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$contact['id'] = $ok['id'];
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// dont allow the client to overwrite certain values
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$contact['uid'] = $ok['uid'];
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$contact['owner'] = $ok['owner'];
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$contact['private'] = $ok['private'];
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}
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if ($this->http_if_match) $contact['etag'] = self::etag2value($this->http_if_match);
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if (!($save_ok = $this->bo->save($contact)))
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{
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if ($this->debug) error_log(__METHOD__."(,$id) save(".array2string($contact).") failed, Ok=$save_ok");
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if ($save_ok === 0)
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{
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return '412 Precondition Failed';
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}
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return false;
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}
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if (!isset($contact['etag']))
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{
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$contact = $this->read($contact['id']);
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}
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header('ETag: '.$this->get_etag($contact));
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if (is_null($ok))
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{
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header($h='Location: '.$this->base_uri.self::get_path($contact));
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if ($this->debug) error_log(__METHOD__."($method,,$id) header('$h'): 201 Created");
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return '201 Created';
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}
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return true;
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}
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/**
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* Get the handler and set the supported fields
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*
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* @return addressbook_vcal
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*/
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private function _get_handler()
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{
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$handler =& new addressbook_vcal();
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$handler->setSupportedFields('GroupDAV',$this->agent);
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return $handler;
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}
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/**
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* Handle delete request for an event
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*
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* @param array &$options
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* @param int $id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function delete(&$options,$id)
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{
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if (!is_array($contact = $this->_common_get_put_delete('DELETE',$options,$id)))
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{
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return $contact;
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}
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if (($Ok = $this->bo->delete($contact['id'],self::etag2value($this->http_if_match))) === 0)
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{
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return '412 Precondition Failed';
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}
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return $ok;
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}
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/**
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* Read a contact
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*
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* @param string/id $id
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* @return array/boolean array with entry, false if no read rights, null if $id does not exist
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*/
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function read($id)
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{
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return $this->bo->read(is_numeric($id) ? $id : array('uid' => $id));
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}
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/**
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* Check if user has the neccessary rights on a contact
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*
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* @param int $acl EGW_ACL_READ, EGW_ACL_EDIT or EGW_ACL_DELETE
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* @param array/int $contact contact-array or id
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* @return boolean null if entry does not exist, false if no access, true if access permitted
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*/
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function check_access($acl,$contact)
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{
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return $this->bo->check_perms($acl,$contact);
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}
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} |