egroupware/addressbook/inc/class.addressbook_groupdav.inc.php
Ralf Becker 7a2e1a66e2 renamed addressbook classes to use autoloading, was just a test to get
an idea about the effort - not sure I want to do that with all apps ;-)
2008-05-10 12:02:49 +00:00

317 lines
8.4 KiB
PHP

<?php
/**
* eGroupWare: GroupDAV access: addressbook handler
*
* @link http://www.egroupware.org
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package addressbook
* @subpackage groupdav
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @copyright (c) 2007/8 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @version $Id$
*/
/**
* eGroupWare: GroupDAV access: addressbook handler
*/
class addressbook_groupdav extends groupdav_handler
{
/**
* bo class of the application
*
* @var addressbook_vcal
*/
var $bo;
var $filter_prop2cal = array(
'UID' => 'uid',
//'NICKNAME',
'EMAIL' => 'email',
'FN' => 'n_fn',
);
/**
* Charset for exporting data, as some clients ignore the headers specifying the charset
*
* @var string
*/
var $charset = 'utf-8';
function __construct($debug=null)
{
parent::__construct('addressbook',$debug);
$this->bo =& new addressbook_bo();
// SoGo Connector for Thunderbird works only with iso-8859-1!
if (strpos($_SERVER['HTTP_USER_AGENT'],'Thunderbird') !== false) $charset = 'iso-8859-1';
}
/**
* Handle propfind in the addressbook folder
*
* @param string $path
* @param array $options
* @param array &$files
* @param int $user account_id
* @param string $id=''
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
*/
function propfind($path,$options,&$files,$user,$id='')
{
if ($user) $filter = array('contact_owner' => $user);
// process REPORT filters or multiget href's
if (($id || $options['root']['name'] != 'propfind') && !$this->_report_filters($options,$filter,$id))
{
return false;
}
error_log(__METHOD__."($path,$options,,$user,$id) filter=".str_replace(array("\n",' '),'',print_r($filter,true)));
// check if we have to return the full calendar data or just the etag's
if (!($address_data = $options['props'] == 'all' && $options['root']['ns'] == groupdav::CARDDAV))
{
foreach($options['props'] as $prop)
{
if ($prop['name'] == 'address-data')
{
$address_data = true;
break;
}
}
}
if ($address_data)
{
$handler = self::_get_handler();
}
if (($contacts =& $this->bo->search(array(),$address_data ? false : array('id','modified','etag'),'contact_id','','',False,'AND',false,$filter)))
{
foreach($contacts as $contact)
{
$props = array(
HTTP_WebDAV_Server::mkprop('getetag',$this->get_etag($contact)),
HTTP_WebDAV_Server::mkprop('getcontenttype', 'text/x-vcard'),
);
if ($address_data)
{
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'address-data',$handler->getVCard($contact,$this->charset));
}
$files['files'][] = array(
'path' => '/addressbook/'.$contact['id'],
'props' => $props,
);
}
}
return true;
}
/**
* Process the filters from the CalDAV REPORT request
*
* @param array $options
* @param array &$cal_filters
* @param string $id
* @return boolean true if filter could be processed, false for requesting not here supported VTODO items
*/
function _report_filters($options,&$filters,$id)
{
if ($options['filters'])
{
foreach($options['filters'] as $filter)
{
switch($filter['name'])
{
case 'comp-filter':
error_log(__METHOD__."($path,...) comp-filter='{$filter['attrs']['name']}'");
switch($filter['attrs']['name'])
{
}
break;
case 'prop-filter':
error_log(__METHOD__."($path,...) prop-filter='{$filter['attrs']['name']}'");
$prop_filter = $filter['attrs']['name'];
break;
case 'text-match':
error_log(__METHOD__."($path,...) text-match: $prop_filter='{$filter['data']}'");
if (!isset($this->filter_prop2cal[strtoupper($prop_filter)]))
{
error_log(__METHOD__."($path,".str_replace(array("\n",' '),'',print_r($options,true)).",,$user) unknown property '$prop_filter' --> ignored");
}
else
{
switch($filter['attrs']['match-type'])
{
default:
case 'equals':
$filters[$this->filter_prop2cal[strtoupper($prop_filter)]] = $filter['data'];
break;
case 'substr': // ToDo: check RFC4790
$filters[] = $this->filter_prop2cal[strtoupper($prop_filter)].' LIKE '.$GLOBALS['egw']->db->quote($filter['data']);
break;
}
}
unset($prop_filter);
break;
case 'param-filter':
error_log(__METHOD__."($path,...) param-filter='{$filter['attrs']['name']}'");
break;
default:
error_log(__METHOD__."($path,".str_replace(array("\n",' '),'',print_r($options,true)).",,$user) unknown filter --> ignored");
break;
}
}
}
// multiget --> fetch the url's
if ($options['root']['name'] == 'addressbook-multiget')
{
$ids = array();
foreach($options['other'] as $option)
{
if ($option['name'] == 'href')
{
$parts = explode('/',$option['data']);
if (is_numeric($id = array_pop($parts))) $ids[] = $id;
}
}
$filters['id'] = $ids;
//error_log(__METHOD__."($path,,,$user) addressbook-multiget: ids=".implode(',',$ids));
}
elseif ($id)
{
if (is_numeric($id))
{
$filters['id'] = $id;
}
else
{
$filters['uid'] = basename($id,'.vcf');
}
}
return true;
}
/**
* Handle get request for an event
*
* @param array &$options
* @param int $id
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
*/
function get(&$options,$id)
{
if (!is_array($contact = $this->_common_get_put_delete('GET',$options,$id)))
{
return $contact;
}
$handler = self::_get_handler();
$options['data'] = $handler->getVCard($id,$this->charset);
$options['mimetype'] = 'text/x-vcard; charset='.$this->charset;
header('Content-Encoding: identity');
header('ETag: '.$this->get_etag($contact));
return true;
}
/**
* Handle put request for an event
*
* @param array &$options
* @param int $id
* @param int $user=null account_id of owner, default null
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
*/
function put(&$options,$id,$user=null)
{
$ok = $this->_common_get_put_delete('PUT',$options,$id);
if (!is_null($ok) && !is_array($ok))
{
return $ok;
}
$handler = self::_get_handler();
$contact = $handler->vcardtoegw($options['content']);
if (!is_null($ok))
{
$contact['id'] = $id;
}
// SoGo does not set the uid attribut, but uses it as id
elseif (strlen($id) > 10 && !$contact['uid'])
{
$contact['uid'] = basename($id,'.vcf');
}
$contact['etag'] = self::etag2value($this->http_if_match);
if (!($ok = $this->bo->save($contact)))
{
if ($ok === 0)
{
return '412 Precondition Failed';
}
return false;
}
header('ETag: '.$this->get_etag($contact));
if (is_null($ok))
{
header($h='Location: '.$this->base_uri.'/addressbook/'.$contact['id']);
error_log(__METHOD__."($method,,$id) header('$h'): 201 Created");
return '201 Created';
}
return true;
}
/**
* Get the handler and set the supported fields
*
* @return addressbook_vcal
*/
private function _get_handler()
{
$handler =& new addressbook_vcal();
if (strpos($_SERVER['HTTP_USER_AGENT'],'KHTML') !== false)
{
$handler->setSupportedFields('KDE');
}
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,$id)
{
if (!is_array($event = $this->_common_get_put_delete('DELETE',$options,$id)))
{
return $event;
}
if ($this->bo->delete($id,self::etag2value($this->http_if_match)) === 0)
{
return '412 Precondition Failed';
}
return $ok;
}
/**
* Read a contact
*
* @param string/id $id
* @return array/boolean array with entry, false if no read rights, null if $id does not exist
*/
function read($id)
{
return $this->bo->read($id);
}
/**
* 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);
}
}