forked from extern/egroupware
1063 lines
37 KiB
PHP
1063 lines
37 KiB
PHP
<?php
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/**
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* EGroupware: GroupDAV access: groupdav/caldav/carddav principals handlers
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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 api
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* @subpackage groupdav
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @copyright (c) 2008-11 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: groupdav/caldav/carddav principals handlers
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*
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* First-level properties used in this class should have the property name as their key,
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* to allow to check if required properties are set!
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* groupdav_principals::add_principal() converts simple associative props (name => value pairs)
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* to name => HTTP_WebDAV_Server(name, value) pairs.
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*/
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class groupdav_principals extends groupdav_handler
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{
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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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}
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/**
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* Supported reports and methods implementing them or what to return eg. "501 Not Implemented"
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*
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* @var array
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*/
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public $supported_reports = array(
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'acl-principal-prop-set' => array(
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// not sure why we return that report, if we not implement it ...
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),
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/*'principal-match' => array(
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// an other report calendarserver announces
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),*/
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'principal-property-search' => array(
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'method' => 'principal_property_search_report',
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),
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'principal-search-property-set' => array(
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'method' => 'principal_search_property_set_report',
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),
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/*'expand-property' => array(
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// an other report calendarserver announces
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),*/
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'addressbook-findshared' => array(
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'ns' => groupdav::ADDRESSBOOKSERVER,
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'method' => 'addressbook_findshared_report',
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),
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);
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/**
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* Generate supported-report-set property
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*
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* Currently we return all reports independed of path
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*
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* @param string $path eg. '/principals/'
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* @param array $reports=null
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* @return array HTTP_WebDAV_Server::mkprop('supported-report-set', ...)
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*/
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protected function supported_report_set($path, array $reports=null)
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{
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if (is_null($reports)) $reports = $this->supported_reports;
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$supported = array();
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foreach($reports as $name => $data)
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{
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$supported[$name] = HTTP_WebDAV_Server::mkprop('supported-report',array(
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HTTP_WebDAV_Server::mkprop('report',array(
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!$data['ns'] ? HTTP_WebDAV_Server::mkprop($name, '') :
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HTTP_WebDAV_Server::mkprop($data['ns'], $name, '')))));
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}
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return $supported;
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}
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/**
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* Handle propfind request for an application 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 $user account_id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function propfind($path,$options,&$files,$user)
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{
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if (($report = isset($_GET['report']) ? $_GET['report'] : $options['root']['name']) && $report != 'propfind')
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{
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$report_data = $this->supported_reports[$report];
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if (isset($report_data) && ($method = $report_data['method']) && method_exists($this, $method))
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{
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return $this->$method($path, $options, $files, $user);
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}
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error_log(__METHOD__."('$path', ".array2string($options).",, $user) not implemented report, returning 501 Not Implemented");
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return '501 Not Implemented';
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}
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list(,$principals,$type,$name,$rest) = explode('/',$path,5);
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// /principals/users/$name/
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// /users/$name/calendar-proxy-read/
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// /users/$name/calendar-proxy-write/
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// /groups/$name/
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// /resources/$resource/
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// /__uids__/$uid/.../
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switch($type)
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{
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case 'users':
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$files['files'] = $this->propfind_users($name,$rest,$options);
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break;
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case 'groups':
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$files['files'] = $this->propfind_groups($name,$rest,$options);
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break;
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/*case 'resources':
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$files['files'] = $this->propfind_resources($name,$rest,$options);
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break;
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case '__uids__':
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$files['files'] = $this->propfind_uids($name,$rest,$options);
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break;*/
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case '':
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$files['files'] = $this->propfind_principals($options);
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break;
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default:
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return '404 Not Found';
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}
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if (!is_array($files['files']))
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{
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return $files['files'];
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}
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return true;
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}
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/**
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* Handle addressbook-findshared Addressbookserver report
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*
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* Required for Apple Addressbook on Mac (addressbook-findshared REPORT)
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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 $user account_id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function addressbook_findshared_report($path,$options,&$files,$user)
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{
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error_log(__METHOD__."('$path', ".array2string($options).",, $user)");
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$files['files'] = array();
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$files['files'][] = $this->add_collection($path); // will be removed for reports
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foreach($this->get_shared_addressbooks() as $path)
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{
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$files['files'][] = $f = $this->add_collection($path.'addressbook/', array(
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'resourcetype' => array(HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook','')),
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));
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error_log(__METHOD__."() ".array2string($f));
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}
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return true;
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}
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/**
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* Handle principal-property-search report
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*
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* Current implementation runs a full infinity propfind and filters out not matching resources.
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*
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* Eg. from Lightning on the principal collection /principals/:
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* <D:principal-property-search xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav">
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* <D:property-search>
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* <D:prop>
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* <C:calendar-home-set/>
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* </D:prop>
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* <D:match>/egroupware/groupdav.php</D:match>
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* </D:property-search>
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* <D:prop>
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* <C:calendar-home-set/>
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* <C:calendar-user-address-set/>
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* <C:schedule-inbox-URL/>
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* <C:schedule-outbox-URL/>
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* </D:prop>
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* </D:principal-property-search>
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*
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* Hack for Lightning: it requests calendar-home-set matching our root (/egroupware/groupdav.php),
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* but interprets returning all principals (all have a matching calendar-home-set) as NOT supporting CalDAV scheduling
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* --> search only current user's principal, when Lightning searches for calendar-home-set
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*
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* Example from iOS iCal autocompleting invitees using calendarserver-principal-property-search WebDAV extension
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* <x0:principal-property-search xmlns:x2="urn:ietf:params:xml:ns:caldav" xmlns:x1="http://calendarserver.org/ns/" xmlns:x0="DAV:" test="anyof">
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* <x0:property-search>
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* <x0:prop>
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* <x0:displayname/>
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* </x0:prop>
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* <x0:match match-type="contains">beck</x0:match>
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* </x0:property-search>
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* <x0:property-search>
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* <x0:prop>
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* <x1:email-address-set/>
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* </x0:prop>
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* <x0:match match-type="starts-with">beck</x0:match>
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* </x0:property-search>
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* <x0:property-search>
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* <x0:prop>
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* <x1:first-name/>
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* </x0:prop>
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* <x0:match match-type="starts-with">beck</x0:match>
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* </x0:property-search>
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* <x0:property-search>
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* <x0:prop>
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* <x1:last-name/>
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* </x0:prop>
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* <x0:match match-type="starts-with">beck</x0:match>
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* </x0:property-search>
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* <x0:prop>
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* <x1:first-name/>
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* <x1:last-name/>
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* <x0:displayname/>
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* <x1:email-address-set/>
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* <x2:calendar-user-address-set/>
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* <x1:record-type/>
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* <x0:principal-URL/>
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* </x0:prop>
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* </x0:principal-property-search>
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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 $user account_id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function principal_property_search_report($path,&$options,&$files,$user)
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{
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//error_log(__METHOD__."('$path', ".array2string($options).",, $user)");
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// cant find the test attribute to root principal-property-search element in WebDAV rfc, but iPhones use it ...
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$anyof = !empty($options['root']['attrs']['test']) && $options['root']['attrs']['test'] == 'anyof'; // "allof" (default) or "anyof"
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// parse property-search prop(s) contained in $options['other']
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foreach($options['other'] as $n => $prop)
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{
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switch($prop['name'])
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{
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case 'apply-to-principal-collection-set': // optinal prop to apply search on principal-collection-set == '/principals/'
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$path = '/principals/';
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break;
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case 'property-search':
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$property_search = $n; // should be 1
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break;
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case 'prop':
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if (isset($property_search))
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{
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$search_props[$property_search] = array();
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}
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break;
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case 'match':
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if (isset($property_search) && is_array($search_props[$property_search]))
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{
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$search_props[$property_search]['match'] = $prop['data'];
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// optional match-type: "contains" (default), "starts-with", "ends-with", "equals"
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$search_props[$property_search]['match-type'] = $prop['attrs']['match-type'];
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}
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break;
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default:
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if (isset($property_search) && $search_props[$property_search] === array())
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{
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$search_props[$property_search] = $prop;
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}
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break;
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}
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}
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if (!isset($property_search) || !$search_props || !isset($search_props[$property_search]['match']))
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{
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error_log(__METHOD__."('$path',...) Could not parse options[other]=".array2string($options['other']));
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return '400 Bad Request';
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}
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// make sure search property is included in toplevel props (can be missing and defaults to property-search/prop's)
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foreach($search_props as $prop)
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{
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if (!$this->groupdav->prop_requested($prop['name'], $prop['xmlns']))
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{
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$options['props'][] = array(
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'name' => $prop['name'],
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'xmlns' => $prop['xmlns'],
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);
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}
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// Hack for Lightning: it requests calendar-home-set matching our root (/egroupware/groupdav.php),
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// but interprets returning all principals (all have a matching calendar-home-set) as NOT supporting CalDAV scheduling
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// --> search only current user's principal
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if ($prop['name'] == 'calendar-home-set' && stripos($_SERVER['HTTP_USER_AGENT'], 'Lightning') !== false)
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{
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$path = '/principals/users/'.$GLOBALS['egw_info']['user']['account_lid'].'/';
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}
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}
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// run "regular" propfind
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$options['other'] = array();
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$options['root']['name'] = 'propfind';
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// search all principals, but not the proxys, rfc requires depth=0, but to search all principals
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$options['depth'] = 5 - count(explode('/', $path)); // /principals/ --> 3
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if (($ret = $this->propfind($path, $options, $files, $user)) !== true)
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{
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return $ret;
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}
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// now filter out not matching "files"
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foreach($files['files'] as $n => $resource)
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{
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if (count(explode('/', $resource['path'])) < 5) // hack to only return principals, not the collections itself
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{
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unset($files['files'][$n]);
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continue;
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}
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// match with $search_props
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$matches = 0;
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foreach($search_props as $search_prop)
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{
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// search resource for $search_prop
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foreach($resource['props'] as $prop) if ($prop['name'] === $search_prop['name']) break;
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if ($prop['name'] === $search_prop['name']) // search_prop NOT found
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{
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foreach((array)$prop['val'] as $value)
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{
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if (is_array($value)) $value = $value['val']; // eg. href prop
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if (self::match($value, $search_prop['match'], $search_prop['match-type']) !== false) // prop does match
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{
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++$matches;
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//error_log("$matches: $resource[path]: $search_prop[name]=".array2string($prop['name'] !== $search_prop['name'] ? null : $prop['val'])." does match '$search_prop[match]'");
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break;
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}
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}
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}
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if ($anyof && $matches || $matches == count($search_props))
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{
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//error_log("$resource[path]: anyof=$anyof, $matches matches --> keep");
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continue 2; // enough matches --> keep
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}
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}
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//error_log("$resource[path]: anyof=$anyof, $matches matches --> skip");
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unset($files['files'][$n]);
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}
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return $ret;
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}
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/**
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* Match using $match_type
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*
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* It's not defined in WebDAV ACL, but CardDAV:text-match seems similar
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*
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* @param string $value value to test
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* @param string $match criteria/sub-string
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* @param string $match_type='contains' 'starts-with', 'ends-with' or 'equals'
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*/
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private static function match($value, $match, $match_type='contains')
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{
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switch($match_type)
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{
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case 'equals':
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return $value === $match;
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case 'starts-with':
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return stripos($value, $match) === 0;
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case 'ends-with':
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return stripos($value, $match) === strlen($value) - strlen($match);
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case 'contains':
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default:
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return stripos($value, $match) !== false;
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}
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}
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/**
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* Handle principal-search-property-set report
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*
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* REPORT /principals/ HTTP/1.1
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* <?xml version="1.0" encoding="utf-8" ?>
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* <x0:principal-search-property-set xmlns:x0="DAV:"/>
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*
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* <?xml version='1.0' encoding='UTF-8'?>
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* <principal-search-property-set xmlns='DAV:'>
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* <principal-search-property>
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* <prop>
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* <displayname/>
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* </prop>
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* <description xml:lang='en'>Display Name</description>
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* </principal-search-property>
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* <principal-search-property>
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* <prop>
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* <email-address-set xmlns='http://calendarserver.org/ns/'/>
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* </prop>
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* <description xml:lang='en'>Email Addresses</description>
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* </principal-search-property>
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* <principal-search-property>
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* <prop>
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* <last-name xmlns='http://calendarserver.org/ns/'/>
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* </prop>
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* <description xml:lang='en'>Last Name</description>
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* </principal-search-property>
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* <principal-search-property>
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* <prop>
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* <calendar-user-type xmlns='urn:ietf:params:xml:ns:caldav'/>
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* </prop>
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* <description xml:lang='en'>Calendar User Type</description>
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* </principal-search-property>
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* <principal-search-property>
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* <prop>
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* <first-name xmlns='http://calendarserver.org/ns/'/>
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* </prop>
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* <description xml:lang='en'>First Name</description>
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* </principal-search-property>
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* <principal-search-property>
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* <prop>
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* <calendar-user-address-set xmlns='urn:ietf:params:xml:ns:caldav'/>
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* </prop>
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* <description xml:lang='en'>Calendar User Address Set</description>
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* </principal-search-property>
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* </principal-search-property-set>
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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 $user account_id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function principal_search_property_set_report($path,&$options,&$files,$user)
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{
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static $search_props = array(
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// from iOS iCal
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'displayname' => 'Display Name',
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'email-address-set' => array('description' => 'Email Addresses', 'ns' => groupdav::CALENDARSERVER),
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'last-name' => array('description' => 'Last Name', 'ns' => groupdav::CALENDARSERVER),
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'calendar-user-type' => array('description' => 'Calendar User Type', 'ns' => groupdav::CALDAV),
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'first-name' => array('description' => 'First Name', 'ns' => groupdav::CALENDARSERVER),
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'calendar-user-address-set' => array('description' => 'Calendar User Address Set', 'ns' => groupdav::CALDAV),
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// Lightning
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'calendar-home-set' => array('description' => 'Calendar Home Set', 'ns' => groupdav::CALENDARSERVER),
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// others, we generally support all properties of the principal
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);
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header('Content-type: text/xml; charset=UTF-8');
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$xml = new XMLWriter;
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$xml->openMemory();
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$xml->setIndent(true);
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$xml->startDocument('1.0', 'UTF-8');
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$xml->startElementNs(null, 'principal-search-property-set', 'DAV:');
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foreach($search_props as $name => $data)
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{
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$xml->startElement('principal-search-property');
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$xml->startElement('prop');
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if (is_array($data) && !empty($data['ns']))
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{
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$xml->writeElementNs(null, $name, $data['ns']);
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}
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else
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{
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$xml->writeElement($name);
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}
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$xml->endElement(); // prop
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$xml->startElement('description');
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$xml->writeAttribute('xml:lang', 'en');
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$xml->text(is_array($data) ? $data['description'] : $data);
|
|
$xml->endElement(); // description
|
|
|
|
$xml->endElement(); // principal-search-property
|
|
}
|
|
$xml->endElement(); // principal-search-property-set
|
|
$xml->endDocument();
|
|
echo $xml->outputMemory();
|
|
|
|
common::egw_exit();
|
|
}
|
|
|
|
/**
|
|
* Do propfind in /pricipals/users
|
|
*
|
|
* @param string $name name of account or empty
|
|
* @param string $rest rest of path behind account-name
|
|
* @param array $options
|
|
* @return array|string array with files or HTTP error code
|
|
*/
|
|
protected function propfind_users($name,$rest,array $options)
|
|
{
|
|
//error_log(__METHOD__."($name,$rest,".array2string($options).')');
|
|
if (empty($name))
|
|
{
|
|
$files = array();
|
|
// add /pricipals/users/ entry
|
|
$files[] = $this->add_collection('/principals/users/');
|
|
|
|
if ($options['depth'])
|
|
{
|
|
if ($GLOBALS['egw_info']['user']['preferences']['common']['account_selection'] == 'none' &&
|
|
!isset($GLOBALS['egw_info']['user']['apps']['admin']))
|
|
{
|
|
$files[] = $this->add_account($this->accounts->read($GLOBALS['egw_info']['user']['account_id']));
|
|
}
|
|
else
|
|
{
|
|
// add all users (account_selection == groupmembers is handled by accounts->search())
|
|
foreach($this->accounts->search(array('type' => 'accounts')) as $account)
|
|
{
|
|
$files[] = $this->add_account($account);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!($id = $this->accounts->name2id($name,'account_lid','u')) ||
|
|
!($account = $this->accounts->read($id)) ||
|
|
!isset($GLOBALS['egw_info']['user']['apps']['admin']) &&
|
|
// do NOT allow other user, if account-selection is none
|
|
($GLOBALS['egw_info']['user']['preferences']['common']['account_selection'] == 'none' &&
|
|
$name != $GLOBALS['egw_info']['user']['account_lid'] ||
|
|
// only allow group-members for account-selection is groupmembers
|
|
$GLOBALS['egw_info']['user']['preferences']['common']['account_selection'] == 'groupmembers' &&
|
|
!array_intersect($this->accounts->memberships($account['account_id'],true),
|
|
$this->accounts->memberships($GLOBALS['egw_info']['user']['account_id'],true))))
|
|
{
|
|
return '404 Not Found';
|
|
}
|
|
while (substr($rest,-1) == '/') $rest = substr($rest,0,-1);
|
|
switch((string)$rest)
|
|
{
|
|
case '':
|
|
$files[] = $this->add_account($account);
|
|
if ($options['depth'])
|
|
{
|
|
$files[] = $this->add_proxys('users/'.$account['account_lid'], 'calendar-proxy-read');
|
|
$files[] = $this->add_proxys('users/'.$account['account_lid'], 'calendar-proxy-write');
|
|
}
|
|
break;
|
|
case 'calendar-proxy-read':
|
|
case 'calendar-proxy-write':
|
|
$files = array();
|
|
$files[] = $this->add_proxys('users/'.$account['account_lid'], $rest);
|
|
break;
|
|
default:
|
|
return '404 Not Found';
|
|
}
|
|
}
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Do propfind in /pricipals/groups
|
|
*
|
|
* @param string $name name of group or empty
|
|
* @param string $rest rest of path behind account-name
|
|
* @param array $options
|
|
* @return array|string array with files or HTTP error code
|
|
*/
|
|
protected function propfind_groups($name,$rest,array $options)
|
|
{
|
|
//echo "<p>".__METHOD__."($name,$rest,".array2string($options).")</p>\n";
|
|
if (empty($name))
|
|
{
|
|
$files = array();
|
|
// add /pricipals/users/ entry
|
|
$files[] = $this->add_collection('/principals/groups/');
|
|
|
|
if ($options['depth'])
|
|
{
|
|
// only show own groups, if account-selection is groupmembers or none
|
|
$type = in_array($GLOBALS['egw_info']['user']['preferences']['common']['account_selection'], array('groupmembers','none')) ?
|
|
'owngroups' : 'groups';
|
|
|
|
// add all groups or only membergroups
|
|
foreach($this->accounts->search(array('type' => $type)) as $account)
|
|
{
|
|
$files[] = $this->add_group($account);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!($id = $this->accounts->name2id($name,'account_lid','g')) ||
|
|
!($account = $this->accounts->read($id)) ||
|
|
// do NOT allow other groups, if account-selection is groupmembers or none
|
|
in_array($GLOBALS['egw_info']['user']['preferences']['common']['account_selection'], array('groupmembers','none')) &&
|
|
!in_array($account['account_id'], $this->accounts->memberships($GLOBALS['egw_info']['user']['account_id'],true)))
|
|
{
|
|
return '404 Not Found';
|
|
}
|
|
while (substr($rest,-1) == '/') $rest = substr($rest,0,-1);
|
|
switch((string)$rest)
|
|
{
|
|
case '':
|
|
$files[] = $this->add_group($account);
|
|
if ($options['depth'])
|
|
{
|
|
$files[] = $this->add_proxys('groups/'.$account['account_lid'], 'calendar-proxy-read');
|
|
$files[] = $this->add_proxys('groups/'.$account['account_lid'], 'calendar-proxy-write');
|
|
}
|
|
break;
|
|
case 'calendar-proxy-read':
|
|
case 'calendar-proxy-write':
|
|
$files = array();
|
|
$files[] = $this->add_proxys('groups/'.$account['account_lid'], $rest);
|
|
break;
|
|
default:
|
|
return '404 Not Found';
|
|
}
|
|
}
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Get shared addressbooks of current user
|
|
*
|
|
* @return array with path relative to base URI (without addressbook postfix!)
|
|
*/
|
|
protected function get_shared_addressbooks()
|
|
{
|
|
$addressbooks = array();
|
|
$addressbook_home_set = $GLOBALS['egw_info']['user']['preferences']['groupdav']['addressbook-home-set'];
|
|
if (empty($addressbook_home_set)) $addressbook_home_set = 'P'; // personal addressbook
|
|
$addressbook_home_set = explode(',',$addressbook_home_set);
|
|
// replace symbolic id's with real nummeric id's
|
|
foreach(array(
|
|
'P' => $GLOBALS['egw_info']['user']['account_id'],
|
|
'G' => $GLOBALS['egw_info']['user']['account_primary_group'],
|
|
'U' => '0',
|
|
) as $sym => $id)
|
|
{
|
|
if (($key = array_search($sym, $addressbook_home_set)) !== false)
|
|
{
|
|
$addressbook_home_set[$key] = $id;
|
|
}
|
|
}
|
|
if (in_array('O',$addressbook_home_set)) // "all in one" from groupdav.php/addressbook/
|
|
{
|
|
$addressbooks[] = '/';
|
|
}
|
|
foreach(ExecMethod('addressbook.addressbook_bo.get_addressbooks',EGW_ACL_READ) as $id => $label)
|
|
{
|
|
if ((in_array('A',$addressbook_home_set) || in_array((string)$id,$addressbook_home_set)) &&
|
|
is_numeric($id) && ($owner = $this->accounts->id2name($id)))
|
|
{
|
|
$addressbooks[] = '/'.$owner.'/';
|
|
}
|
|
}
|
|
return $addressbooks;
|
|
}
|
|
|
|
/**
|
|
* Add collection of a single account to a collection
|
|
*
|
|
* @param array $account
|
|
* @return array with values for keys 'path' and 'props'
|
|
*/
|
|
protected function add_account(array $account)
|
|
{
|
|
$addressbooks = $calendars = array();
|
|
if ($account['account_id'] == $GLOBALS['egw_info']['user']['account_id'])
|
|
{
|
|
foreach($this->get_shared_addressbooks() as $path)
|
|
{
|
|
$addressbooks[] = HTTP_WebDAV_Server::mkprop('href',$this->base_uri.$path);
|
|
}
|
|
|
|
$calendars[] = HTTP_WebDAV_Server::mkprop('href',
|
|
$this->base_uri.'/'.$account['account_lid'].'/');
|
|
|
|
/* iCal send propfind to wrong url (concatinated href's), if we return multiple href in calendar-home-set
|
|
$cal_bo = new calendar_bo();
|
|
foreach ($cal_bo->list_cals() as $label => $entry)
|
|
{
|
|
$id = $entry['grantor'];
|
|
$owner = $this->accounts->id2name($id);
|
|
$calendars[] = HTTP_WebDAV_Server::mkprop('href',
|
|
$this->base_uri.'/'.$owner.'/');
|
|
}
|
|
*/
|
|
}
|
|
else
|
|
{
|
|
$addressbooks[] = HTTP_WebDAV_Server::mkprop('href',
|
|
$this->base_uri.'/'.$account['account_lid'].'/');
|
|
$calendars[] = HTTP_WebDAV_Server::mkprop('href',
|
|
$this->base_uri.'/'.$account['account_lid'].'/');
|
|
}
|
|
$displayname = translation::convert($account['account_fullname'], translation::charset(),'utf-8');
|
|
|
|
return $this->add_principal('users/'.$account['account_lid'], array(
|
|
'getetag' => $this->get_etag($account),
|
|
'displayname' => $displayname,
|
|
// CalDAV
|
|
'calendar-home-set' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-home-set',$calendars),
|
|
// CalDAV scheduling
|
|
'schedule-outbox-URL' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'schedule-outbox-URL',array(
|
|
HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/outbox/'))),
|
|
'schedule-inbox-URL' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'schedule-inbox-URL',array(
|
|
HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/inbox/'))),
|
|
'calendar-user-address-set' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-address-set',array(
|
|
HTTP_WebDAV_Server::mkprop('href','MAILTO:'.$account['account_email']),
|
|
HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/principals/users/'.$account['account_lid'].'/'),
|
|
HTTP_WebDAV_Server::mkprop('href','urn:uuid:'.$account['account_lid']))),
|
|
'calendar-user-type' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-type','INDIVIDUAL'),
|
|
// Calendarserver
|
|
'email-address-set' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'email-address-set',array(
|
|
HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'email-address',$account['account_email']))),
|
|
'last-name' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'last-name',$account['account_lastname']),
|
|
'first-name' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'first-name',$account['account_firstname']),
|
|
'record-type' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'record-type','users'),
|
|
// WebDAV ACL and CalDAV proxy
|
|
'group-membership' => $this->principal_set('group-membership', $this->accounts->memberships($account['account_id']),
|
|
'calendar', $account['account_id']), // add proxy-rights
|
|
'alternate-URI-set' => array(
|
|
HTTP_WebDAV_Server::mkprop('href','MAILTO:'.$account['account_email'])),
|
|
// CardDAV
|
|
'addressbook-home-set' => HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-home-set',$addressbooks),
|
|
// CardDAV directory
|
|
'directory-gateway' => HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV, 'directory-gateway',array(
|
|
HTTP_WebDAV_Server::mkprop('href', $this->base_uri.'/addressbook/'))),
|
|
));
|
|
}
|
|
|
|
/**
|
|
* Convert CalDAV principal URL to a calendar uid
|
|
*
|
|
* @param string $url
|
|
* @param string|array $only_type=null allowed types, return false for other (valid) types, eg. "users", "groups" or "resources", default all
|
|
* @return int|string|boolean integer account_id, string calendar uid or false if not a supported uid
|
|
*/
|
|
static public function url2uid($url, $only_type=null)
|
|
{
|
|
if (!$only_type) $only_type = array('accounts', 'groups', 'resources', 'mailto');
|
|
|
|
if ($url[0] == '/')
|
|
{
|
|
$schema = 'http';
|
|
}
|
|
else
|
|
{
|
|
list($schema, $rest) = explode(':', $url, 2);
|
|
}
|
|
if (empty($rest)) return false;
|
|
|
|
switch(strtolower($schema))
|
|
{
|
|
case 'http':
|
|
case 'https':
|
|
list(,$rest) = explode($GLOBALS['egw_info']['server']['webserver_url'].'/groupdav.php/principals/', $url);
|
|
list($type, $name) = explode('/', $rest);
|
|
$uid = $GLOBALS['egw']->accounts->name2id($name, 'account_lid', $type[0]); // u=users, g=groups
|
|
break;
|
|
|
|
case 'mailto':
|
|
if (($uid = $GLOBALS['egw']->accounts->name2id($rest, 'account_email')))
|
|
{
|
|
$type = $uid > 0 ? 'accounts' : 'groups';
|
|
break;
|
|
}
|
|
// todo: contacts (uid "c"<contact-id>
|
|
break;
|
|
|
|
case 'urn':
|
|
list($urn_type, $name) = explode(':', $rest, 2);
|
|
if ($urn_type === 'uuid' && ($uid = $GLOBALS['egw']->accounts->name2id($name, 'account_lid')))
|
|
{
|
|
$type = $uid > 0 ? 'accounts' : 'groups';
|
|
break;
|
|
}
|
|
// todo: resources
|
|
break;
|
|
|
|
default:
|
|
error_log(__METHOD__."('$url') unsupported principal type '$schema'!");
|
|
return false;
|
|
}
|
|
return $uid && in_array($type, $only_type) ? $uid : false;
|
|
}
|
|
|
|
/**
|
|
* Add collection of a single group to a collection
|
|
*
|
|
* @param array $account
|
|
* @return array with values for keys 'path' and 'props'
|
|
*/
|
|
protected function add_group(array $account)
|
|
{
|
|
$displayname = translation::convert(lang('Group').' '.$account['account_lid'], translation::charset(), 'utf-8');
|
|
|
|
// only return current user, if account-selection == 'none'
|
|
if ($GLOBALS['egw_info']['user']['preferences']['common']['account_selection'] == 'none')
|
|
{
|
|
$groupmembers = array($GLOBALS['egw_info']['user']['account_id'] => $GLOBALS['egw_info']['user']['account_lid']);
|
|
}
|
|
else
|
|
{
|
|
$groupmembers = $this->accounts->members($account['account_id']);
|
|
}
|
|
|
|
return $this->add_principal('groups/'.$account['account_lid'], array(
|
|
'getetag' => $this->get_etag($account),
|
|
'displayname' => $displayname,
|
|
'calendar-home-set' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-home-set',array(
|
|
HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/'))),
|
|
'addressbook-home-set' => HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-home-set',array(
|
|
HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/'))),
|
|
'record-type' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'record-type','group'),
|
|
'calendar-user-type' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-type','GROUP'),
|
|
'group-member-set' => $this->principal_set('group-member-set', $groupmembers),
|
|
));
|
|
}
|
|
|
|
/**
|
|
* Add a collection
|
|
*
|
|
* @param string $path
|
|
* @param array $props=array() extra properties 'resourcetype' is added anyway, name => value pairs or name => HTTP_WebDAV_Server([namespace,]name,value)
|
|
* @return array with values for keys 'path' and 'props'
|
|
*/
|
|
protected function add_collection($path, array $props = array())
|
|
{
|
|
if ($this->groupdav->prop_requested('supported-report-set'))
|
|
{
|
|
$props['supported-report-set'] = $this->supported_report_set($path);
|
|
}
|
|
return $this->groupdav->add_collection($path, $props);
|
|
}
|
|
|
|
/**
|
|
* Add a principal collection
|
|
*
|
|
* @param string $principal relative to principal-collection-set, eg. "users/username"
|
|
* @param array $props=array() extra properties 'resourcetype' is added anyway
|
|
* @param string $principal_url=null include given principal url, relative to principal-collection-set, default $principal
|
|
* @return array with values for keys 'path' and 'props'
|
|
*/
|
|
protected function add_principal($principal, array $props = array(), $principal_url=null)
|
|
{
|
|
$props['resourcetype'][] = HTTP_WebDAV_Server::mkprop('principal', '');
|
|
|
|
// required props per WebDAV ACL
|
|
foreach(array('alternate-URI-set', 'group-membership') as $name)
|
|
{
|
|
if (!isset($props[$name])) $props[$name] = HTTP_WebDAV_Server::mkprop($name,'');
|
|
}
|
|
if (!$principal_url) $principal_url = $principal;
|
|
|
|
$props['principal-URL'] = array(
|
|
HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/principals/'.$principal.'/'));
|
|
|
|
return $this->add_collection('/principals/'.$principal.'/', $props);
|
|
}
|
|
|
|
/**
|
|
* Add a proxy collection for given principal and type
|
|
*
|
|
* A proxy is a user or group who has the right to act on behalf of the user
|
|
*
|
|
* @param string $principal relative to principal-collection-set, eg. "users/username"
|
|
* @param string $type eg. 'calendar-proxy-read' or 'calendar-proxy-write'
|
|
* @param array $proxys=array()
|
|
* @return array with values for 'path' and 'props'
|
|
*/
|
|
protected function add_proxys($principal, $type, array $proxys=array())
|
|
{
|
|
list($app,,$what) = explode('-', $type);
|
|
$right = $what == 'write' ? EGW_ACL_EDIT : EGW_ACL_READ;
|
|
$mask = $what == 'write' ? EGW_ACL_EDIT : EGW_ACL_EDIT|EGW_ACL_READ; // do NOT report write+read in read
|
|
//echo "<p>type=$type --> app=$app, what=$what --> right=$right, mask=$mask</p>\n";
|
|
|
|
list($account_type,$account) = explode('/', $principal);
|
|
$account = $this->accounts->name2id($account, 'account_lid', $account_type[0]);
|
|
|
|
$proxys = array();
|
|
foreach($this->acl->get_all_location_rights($account, $app, $app != 'addressbook') as $account_id => $rights)
|
|
{
|
|
if ($account_id !== 'run' && $account_id != $account && ($rights & $mask) == $right &&
|
|
($account_lid = $this->accounts->id2name($account_id)))
|
|
{
|
|
$proxys[$account_id] = $account_lid;
|
|
// for groups add members too, if app is not addressbook
|
|
if ($account_id < 0 && $app != 'addressbook')
|
|
{
|
|
foreach($this->accounts->members($account_id) as $account_id => $account_lid)
|
|
{
|
|
$proxys[$account_id] = $account_lid;
|
|
}
|
|
}
|
|
}
|
|
//echo "<p>$account_id ($account_lid): (rights=$rights & mask=$mask) == right=$right --> ".array2string(($rights & $mask) == $right)."</p>\n";
|
|
}
|
|
return $this->add_principal($principal.'/'.$type, array(
|
|
'displayname' => $app.' '.$what.' proxy of '.basename($principal),
|
|
'group-member-set' => $this->principal_set('group-member-set', $proxys),
|
|
'getetag' => md5(serialize($proxys)),
|
|
'resourcetype' => array(HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER, $type, '')),
|
|
));
|
|
}
|
|
|
|
/**
|
|
* Create a named property with set or principal-urls
|
|
*
|
|
* @param string $prop egw. 'group-member-set' or 'membership'
|
|
* @param array $accounts=array() account_id => account_lid pairs
|
|
* @param string|array $app_proxys=null applications for which proxys should be added
|
|
* @param int $account who is the proxy
|
|
* @param array with href props
|
|
*/
|
|
protected function principal_set($prop, array $accounts=array(), $add_proxys=null, $account=null)
|
|
{
|
|
$set = array();
|
|
foreach($accounts as $account_id => $account_lid)
|
|
{
|
|
$set[] = HTTP_WebDAV_Server::mkprop('href', $this->base_uri.'/principals/'.($account_id < 0 ? 'groups/' : 'users/').$account_lid.'/');
|
|
}
|
|
if ($add_proxys)
|
|
{
|
|
foreach((array)$add_proxys as $app)
|
|
{
|
|
foreach($this->acl->get_grants($app, $app != 'addressbook', $account) as $account_id => $rights)
|
|
{
|
|
if ($account_id != $account && ($rights & EGW_ACL_READ) &&
|
|
($account_lid = $this->accounts->id2name($account_id)))
|
|
{
|
|
$set[] = HTTP_WebDAV_Server::mkprop('href', $this->base_uri.'/principals/'.
|
|
($account_id < 0 ? 'groups/' : 'users/').
|
|
$account_lid.'/'.$app.'-proxy-'.($rights & EGW_ACL_EDIT ? 'write' : 'read').'/');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $set;
|
|
}
|
|
|
|
/**
|
|
* Do propfind of /principals/
|
|
*
|
|
* @param string $name name of group or empty
|
|
* @param string $rest name of rest of path behind group-name
|
|
* @param array $options
|
|
* @return array|string array with files or HTTP error code
|
|
*/
|
|
protected function propfind_principals(array $options)
|
|
{
|
|
//echo "<p>".__METHOD__."(".array($options).")</p>\n";
|
|
$files = array();
|
|
$files[] = $this->add_collection('/principals/');
|
|
|
|
if ($options['depth'])
|
|
{
|
|
if (is_numeric($options['depth'])) --$options['depth'];
|
|
$files = array_merge($files,$this->propfind_users('','',$options));
|
|
$files = array_merge($files,$this->propfind_groups('','',$options));
|
|
//$files = array_merge($this->propfind_resources('','',$options));
|
|
//$files = array_merge($this->propfind_uids('','',$options));
|
|
}
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Handle get request for an applications entry
|
|
*
|
|
* @param array &$options
|
|
* @param int $id
|
|
* @param int $user=null account_id
|
|
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
|
|
*/
|
|
function get(&$options,$id,$user=null)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Handle get request for an applications entry
|
|
*
|
|
* @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)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Handle get request for an applications entry
|
|
*
|
|
* @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)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Read an entry
|
|
*
|
|
* @param string/int $id
|
|
* @return array/boolean array with entry, false if no read rights, null if $id does not exist
|
|
*/
|
|
function read($id)
|
|
{
|
|
return false;
|
|
//return $this->accounts->read($id);
|
|
}
|
|
|
|
/**
|
|
* Check if user has the neccessary rights on an entry
|
|
*
|
|
* @param int $acl EGW_ACL_READ, EGW_ACL_EDIT or EGW_ACL_DELETE
|
|
* @param array/int $entry entry-array or id
|
|
* @return boolean null if entry does not exist, false if no access, true if access permitted
|
|
*/
|
|
function check_access($acl,$entry)
|
|
{
|
|
if ($acl != EGW_ACL_READ)
|
|
{
|
|
return false;
|
|
}
|
|
if (!is_array($entry) && !$this->accounts->name2id($entry,'account_lid','u'))
|
|
{
|
|
return null;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get the etag for an entry, can be reimplemented for other algorithm or field names
|
|
*
|
|
* @param array/int $event array with event or cal_id
|
|
* @return string/boolean string with etag or false
|
|
*/
|
|
function get_etag($account)
|
|
{
|
|
if (!is_array($account))
|
|
{
|
|
$account = $this->read($account);
|
|
}
|
|
return $account['account_id'].':'.md5(serialize($account)).
|
|
// add md5 from calendar grants, as they are listed as memberships
|
|
':'.md5(serialize($this->acl->get_grants('calendar', true, $account['account_id']))).
|
|
// as the principal of current user is influenced by GroupDAV prefs, we have to include them in the etag
|
|
($account['account_id'] == $GLOBALS['egw_info']['user']['account_id'] ?
|
|
':'.md5(serialize($GLOBALS['egw_info']['user']['preferences']['groupdav'])) : '');
|
|
}
|
|
|
|
/**
|
|
* Return priviledges for current user, default is read and read-current-user-privilege-set
|
|
*
|
|
* Priviledges are for the collection, not the resources / entries!
|
|
*
|
|
* @param int $user=null owner of the collection, default current user
|
|
* @return array with privileges
|
|
*/
|
|
public function current_user_privileges($user=null)
|
|
{
|
|
return array('read', 'read-current-user-privilege-set');
|
|
}
|
|
} |