mirror of
https://github.com/EGroupware/egroupware.git
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1253 lines
38 KiB
PHP
1253 lines
38 KiB
PHP
<?php
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/**
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* EGroupware: CalDAV/CardDAV/GroupDAV access
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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) 2007-11 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @version $Id$
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*/
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require_once('HTTP/WebDAV/Server.php');
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/**
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* EGroupware: GroupDAV access
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*
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* Using a modified PEAR HTTP/WebDAV/Server class from egw-pear!
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*
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* One can use the following url's releative (!) to http://domain.com/egroupware/groupdav.php
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*
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* - / base of Cal|Card|GroupDAV tree, only certain clients (KDE, Apple) can autodetect folders from here
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* - /principals/ principal-collection-set for WebDAV ACL
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* - /principals/users/<username>/
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* - /principals/groups/<groupname>/
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* - /<username>/ users home-set with
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* - /<username>/addressbook/ addressbook of user or group <username> given the user has rights to view it
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* - /<username>/calendar/ calendar of user <username> given the user has rights to view it
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* - /<username>/inbox/ scheduling inbox of user <username>
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* - /<username>/outbox/ scheduling outbox of user <username>
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* - /<username>/infolog/ InfoLog's of user <username> given the user has rights to view it
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* - /addressbook/ all addressbooks current user has rights to, announced as directory-gateway now
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* - /calendar/ calendar of current user
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* - /infolog/ infologs of current user
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*
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* Calling one of the above collections with a GET request / regular browser generates an automatic index
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* from the data of a allprop PROPFIND, allow to browse CalDAV/CardDAV/GroupDAV tree with a regular browser.
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*
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* @link http://www.groupdav.org/ GroupDAV spec
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* @link http://caldav.calconnect.org/ CalDAV resources
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* @link http://carddav.calconnect.org/ CardDAV resources
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* @link http://calendarserver.org/ Apple calendar and contacts server
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*/
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class groupdav extends HTTP_WebDAV_Server
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{
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/**
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* DAV namespace
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*/
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const DAV = 'DAV:';
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/**
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* GroupDAV namespace
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*/
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const GROUPDAV = 'http://groupdav.org/';
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/**
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* CalDAV namespace
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*/
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const CALDAV = 'urn:ietf:params:xml:ns:caldav';
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/**
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* CardDAV namespace
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*/
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const CARDDAV = 'urn:ietf:params:xml:ns:carddav';
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/**
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* Apple Calendarserver namespace (eg. for ctag)
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*/
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const CALENDARSERVER = 'http://calendarserver.org/ns/';
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/**
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* Apple Addressbookserver namespace (eg. for ctag)
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*/
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const ADDRESSBOOKSERVER = 'http://addressbookserver.org/ns/';
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/**
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* Apple iCal namespace (eg. for calendar color)
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*/
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const ICAL = 'http://apple.com/ns/ical/';
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/**
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* Realm and powered by string
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*/
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const REALM = 'EGroupware CalDAV/CardDAV/GroupDAV server';
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var $dav_powered_by = self::REALM;
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var $http_auth_realm = self::REALM;
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/**
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* Folders in root or user home
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*
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* @var array
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*/
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var $root = array(
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'addressbook' => array(
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'resourcetype' => array(self::GROUPDAV => 'vcard-collection', self::CARDDAV => 'addressbook'),
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'component-set' => array(self::GROUPDAV => 'VCARD'),
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),
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'calendar' => array(
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'resourcetype' => array(self::GROUPDAV => 'vevent-collection', self::CALDAV => 'calendar'),
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'component-set' => array(self::GROUPDAV => 'VEVENT'),
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),
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'inbox' => array(
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'resourcetype' => array(self::CALDAV => 'schedule-inbox'),
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'app' => 'calendar',
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'user-only' => true, // display just in user home
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),
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'outbox' => array(
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'resourcetype' => array(self::CALDAV => 'schedule-outbox'),
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'app' => 'calendar',
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'user-only' => true, // display just in user home
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),
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'infolog' => array(
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'resourcetype' => array(self::GROUPDAV => 'vtodo-collection', self::CALDAV => 'calendar'),
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'component-set' => array(self::GROUPDAV => 'VTODO'),
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),
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);
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/**
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* Debug level: 0 = nothing, 1 = function calls, 2 = more info, 3 = complete $_SERVER array
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*
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* Can now be enabled on a per user basis in GroupDAV prefs, if it is set here to 0!
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*
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* The debug messages are send to the apache error_log
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*
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* @var integer
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*/
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var $debug = 0;
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/**
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* eGW's charset
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*
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* @var string
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*/
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var $egw_charset;
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/**
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* Instance of our application specific handler
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*
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* @var groupdav_handler
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*/
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var $handler;
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/**
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* current-user-principal URL
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*
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* @var string
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*/
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var $current_user_principal;
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/**
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* Reference to the accounts class
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*
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* @var accounts
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*/
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var $accounts;
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/**
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* Supported privileges with name and description
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*
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* privileges are hierarchical
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*
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* @var array
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*/
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var $supported_privileges = array(
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'all' => array(
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'*description*' => 'all privileges',
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'read' => array(
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'*description*' => 'read resource',
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'read-free-busy' => array(
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'*ns*' => self::CALDAV,
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'*description*' => 'allow free busy report query',
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'*only*' => '/calendar/',
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),
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),
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'write' => array(
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'*description*' => 'write resource',
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'write-properties' => 'write resource properties',
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'write-content' => 'write resource content',
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'bind' => 'add child resource',
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'unbind' => 'remove child resource',
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),
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'unlock' => 'unlock resource without ownership of lock',
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'read-acl' => 'read resource access control list',
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'write-acl' => 'write resource access control list',
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'read-current-user-privilege-set' => 'read privileges for current principal',
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'schedule-deliver' => array(
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'*ns*' => self::CALDAV,
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'*description*' => 'schedule privileges for current principal',
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'*only*' => '/inbox/',
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),
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'schedule-send' => array(
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'*ns*' => self::CALDAV,
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'*description*' => 'schedule privileges for current principal',
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'*only*' => '/outbox/',
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),
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),
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);
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/**
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* $options parameter to PROPFIND request, eg. to check what props are requested
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*
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* @var array
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*/
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var $propfind_options;
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function __construct()
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{
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if (!$this->debug) $this->debug = (int)$GLOBALS['egw_info']['user']['preferences']['groupdav']['debug_level'];
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if ($this->debug > 2) error_log('groupdav: $_SERVER='.array2string($_SERVER));
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// crrnd: client refuses redundand namespace declarations
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// cnrnd: client needs redundand namespace declarations
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// setting redundand namespaces as the default for (Cal|Card|Group)DAV, as the majority of the clients either require or can live with it
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$this->cnrnd = true;
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// identify clients, which do NOT support path AND full url in <D:href> of PROPFIND request
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switch(($agent = groupdav_handler::get_agent()))
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{
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case 'akonadi':
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$this->cnrnd = true; // Akonadi seems to require redundant namespaces, see KDE bug #265096 https://bugs.kde.org/show_bug.cgi?id=265096
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break;
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case 'kde': // KAddressbook (at least in 3.5 can NOT subscribe / does NOT find addressbook)
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$this->client_require_href_as_url = true;
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$this->cnrnd = false; // KDE before Akonadi seems NOT to work with cnrnd (redundant namespaces)
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break;
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case 'cfnetwork': // Apple addressbook app
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case 'dataaccess': // iPhone addressbook
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$this->client_require_href_as_url = false;
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$this->cnrnd = true;
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break;
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case 'davkit': // iCal app in OS X 10.6 created wrong request, if full url given
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case 'coredav': // iCal app in OS X 10.7
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$this->client_require_href_as_url = false;
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$this->cnrnd = true;
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break;
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case 'cfnetwork_old':
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$this->crrnd = true; // Older Apple Addressbook.app does not cope with namespace redundancy
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break;
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case 'neon':
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$this->cnrnd = true; // neon clients like cadaver
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break;
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}
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if ($this->debug) error_log(__METHOD__."() HTTP_USER_AGENT='$_SERVER[HTTP_USER_AGENT]' --> '$agent' --> client_requires_href_as_url=$this->client_require_href_as_url, crrnd(client refuses redundand namespace declarations)=$this->crrnd, cnrnd(client needs redundand namespace declarations)=$this->cnrnd");
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// adding EGroupware version to X-Dav-Powered-By header eg. "EGroupware 1.8.001 CalDAV/CardDAV/GroupDAV server"
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$this->dav_powered_by = str_replace('EGroupware','EGroupware '.$GLOBALS['egw_info']['server']['versions']['phpgwapi'],
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$this->dav_powered_by);
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parent::HTTP_WebDAV_Server();
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$this->egw_charset = translation::charset();
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if (strpos($this->base_uri, 'http') === 0)
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{
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$this->current_user_principal = $this->_slashify($this->base_uri);
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}
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else
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{
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$this->current_user_principal = (@$_SERVER["HTTPS"] === "on" ? "https:" : "http:") .
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'//' . $_SERVER['HTTP_HOST'] . $_SERVER['SCRIPT_NAME'] . '/';
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}
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$this->current_user_principal .= 'principals/users/'.$GLOBALS['egw_info']['user']['account_lid'].'/';
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// if client requires pathes instead of URLs
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if (!$this->client_require_href_as_url)
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{
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$this->current_user_principal = parse_url($this->current_user_principal,PHP_URL_PATH);
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}
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$this->accounts = $GLOBALS['egw']->accounts;
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}
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/**
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* get the handler for $app
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*
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* @param string $app
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* @return groupdav_handler
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*/
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function app_handler($app)
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{
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if (isset($this->root[$app]['app'])) $app = $this->root[$app]['app'];
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return groupdav_handler::app_handler($app,$this);
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}
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/**
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* OPTIONS request, allow to modify the standard responses from the pear-class
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*
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* @param string $path
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* @param array &$dav
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* @param array &$allow
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*/
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function OPTIONS($path, &$dav, &$allow)
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{
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if (preg_match('#/(calendar|inbox|outbox)/#', $path))
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{
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$app = 'calendar';
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}
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elseif (strpos($path, '/addressbook/') !== false)
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{
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$app = 'addressbook';
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}
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// CalDAV and CardDAV
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$dav[] = 'access-control';
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if ($app !== 'addressbook') // CalDAV
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{
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$dav[] = 'calendar-access';
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$dav[] = 'calendar-auto-schedule';
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$dav[] = 'calendar-proxy';
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// required by iOS iCal to use principal-property-search to autocomplete participants (and locations)
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$dav[] = 'calendarserver-principal-property-search';
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// other capabilities calendarserver announces
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//$dav[] = 'calendar-schedule';
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//$dav[] = 'calendar-availability';
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//$dav[] = 'inbox-availability';
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//$dav[] = 'calendarserver-private-events';
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//$dav[] = 'calendarserver-private-comments';
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//$dav[] = 'calendarserver-sharing';
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//$dav[] = 'calendarserver-sharing-no-scheduling';
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}
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if ($app !== 'calendar') // CardDAV
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{
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$dav[] = 'addressbook'; // CardDAV uses "addressbook" NOT "addressbook-access"
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}
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//error_log(__METHOD__."('$path') --> app='$app' --> DAV: ".implode(', ', $dav));
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}
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/**
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* PROPFIND and REPORT method handler
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*
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* @param array general parameter passing array
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* @param array return array for file properties
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* @return bool true on success
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*/
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function PROPFIND(&$options, &$files, $method='PROPFIND')
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{
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if ($this->debug) error_log(__CLASS__."::$method(".array2string($options,true).')');
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// make options (readonly) available to all class methods, eg. prop_requested
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$this->propfind_options = $options;
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// parse path in form [/account_lid]/app[/more]
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if (!self::_parse_path($options['path'],$id,$app,$user,$user_prefix) && $app && !$user)
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{
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if ($this->debug > 1) error_log(__CLASS__."::$method: user='$user', app='$app', id='$id': 404 not found!");
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return '404 Not Found';
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}
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if ($this->debug > 1) error_log(__CLASS__."::$method: user='$user', app='$app', id='$id'");
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$files = array('files' => array());
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$path = $user_prefix = $this->_slashify($user_prefix);
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if (!$app) // user root folder containing apps
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{
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// add root with current users apps
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$this->add_home($files, $path, $user, $options['depth']);
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// add principals and user-homes
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if ($path == '/' && $options['depth'])
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{
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// principals collection
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$files['files'][] = $this->add_collection('/principals/', array(
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'displayname' => lang('Accounts'),
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));
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// todo: account_selection owngroups and none!!!
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foreach($this->accounts->search(array('type' => 'both')) as $account)
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{
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$this->add_home($files, $path.$account['account_lid'].'/', $user, $options['depth'] == 'infinity' ? 'infinity' : $options['depth']-1);
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}
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}
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return true;
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}
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if ($app != 'principals' && !isset($GLOBALS['egw_info']['user']['apps'][$this->root[$app]['app'] ? $this->root[$app]['app'] : $app]))
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{
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if ($this->debug) error_log(__CLASS__."::$method(path=$options[path]) 403 Forbidden: no app rights for '$app'");
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return "403 Forbidden: no app rights for '$app'"; // no rights for the given app
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}
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if (($handler = self::app_handler($app)))
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{
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if ($method != 'REPORT' && !$id) // no self URL for REPORT requests (only PROPFIND) or propfinds on an id
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{
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// KAddressbook doubles the folder, if the self URL contains the GroupDAV/CalDAV resourcetypes
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$files['files'][0] = $this->add_app($app,$app=='addressbook'&&$handler->get_agent()=='kde',$user,$path);
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if (!$options['depth']) return true; // depth 0 --> show only the self url
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}
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return $handler->propfind($this->_slashify($options['path']),$options,$files,$user,$id);
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}
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return '501 Not Implemented';
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}
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/**
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* Add a collection to a PROPFIND request
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*
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* @param string $path
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* @param array $props=array() extra properties 'resourcetype' is added anyway, name => value pairs or name => HTTP_WebDAV_Server([namespace,]name,value)
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* @param array $privileges=array('read') values for current-user-privilege-set
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* @param array $supported_privileges=null default $this->supported_privileges
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* @return array with values for keys 'path' and 'props'
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*/
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public function add_collection($path, array $props = array(), array $privileges=array('read','read-acl','read-current-user-privilege-set'), array $supported_privileges=null)
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{
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// resourcetype: collection
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$props['resourcetype'][] = self::mkprop('collection','');
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if (!isset($props['getcontenttype'])) $props['getcontenttype'] = 'httpd/unix-directory';
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return $this->add_resource($path, $props, $privileges, $supported_privileges);
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}
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/**
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* Add a resource to a PROPFIND request
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*
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* @param string $path
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* @param array $props=array() extra properties 'resourcetype' is added anyway, name => value pairs or name => HTTP_WebDAV_Server([namespace,]name,value)
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* @param array $privileges=array('read') values for current-user-privilege-set
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* @param array $supported_privileges=null default $this->supported_privileges
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* @return array with values for keys 'path' and 'props'
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*/
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public function add_resource($path, array $props = array(), array $privileges=array('read','read-current-user-privilege-set'), array $supported_privileges=null)
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{
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// props for all collections: current-user-principal and principal-collection-set
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$props['current-user-principal'] = array(
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self::mkprop('href',$this->current_user_principal));
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$props['principal-collection-set'] = array(
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self::mkprop('href',$this->base_uri.'/principals/'));
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// required props per WebDAV standard
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foreach(array(
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'displayname' => basename($path),
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'getetag' => 'none',
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'getcontentlength' => '',
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'getlastmodified' => '',
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'getcontenttype' => '',
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'resourcetype' => '',
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) as $name => $default)
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{
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if (!isset($props[$name])) $props[$name] = $default;
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}
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// if requested add privileges
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if (is_null($supported_privileges)) $supported_privileges = $this->supported_privileges;
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if ($this->prop_requested('current-user-privilege-set') === true)
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{
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foreach($privileges as $name)
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{
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$props['current-user-privilege-set'][] = self::mkprop('privilege', array(
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is_array($name) ? self::mkprop($name['ns'], $name['name'], '') : self::mkprop($name, '')));
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}
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}
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if ($this->prop_requested('supported-privilege-set') === true)
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{
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foreach($supported_privileges as $name => $data)
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{
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$props['supported-privilege-set'][] = $this->supported_privilege($name, $data, $path);
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}
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}
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if (!isset($props['owner']) && $this->prop_requested('owner') === true)
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{
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$props['owner'] = '';
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}
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if ($this->debug > 1) error_log(__METHOD__."(path='$path', props=".array2string($props).')');
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// convert simple associative properties to HTTP_WebDAV_Server ones
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foreach($props as $name => &$prop)
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{
|
|
if (!is_array($prop) || !isset($prop['name']))
|
|
{
|
|
$prop = self::mkprop($name, $prop);
|
|
}
|
|
// add quotes around etag, if they are not already there
|
|
if ($prop['name'] == 'getetag' && $prop['val'][0] != '"')
|
|
{
|
|
$prop['val'] = '"'.$prop['val'].'"';
|
|
}
|
|
}
|
|
|
|
return array(
|
|
'path' => $path,
|
|
'props' => $props,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Generate (hierachical) supported-privilege property
|
|
*
|
|
* @param string $name name of privilege
|
|
* @param string|array $data string with describtion or array with agregated privileges plus value for key '*description*', '*ns*', '*only*'
|
|
* @param string $path=null path to match with $data['*only*']
|
|
* @return array of self::mkprop() arrays
|
|
*/
|
|
protected function supported_privilege($name, $data, $path=null)
|
|
{
|
|
$props = array();
|
|
$props[] = self::mkprop('privilege', array(is_array($data) && $data['*ns*'] ?
|
|
self::mkprop($data['*ns*'], $name, '') : self::mkprop($name, '')));
|
|
$props[] = self::mkprop('description', is_array($data) ? $data['*description*'] : $data);
|
|
if (is_array($data))
|
|
{
|
|
foreach($data as $name => $data)
|
|
{
|
|
if ($name[0] == '*') continue;
|
|
if (is_array($data) && $data['*only*'] && strpos($path, $data['*only*']) === false)
|
|
{
|
|
continue; // wrong path
|
|
}
|
|
$props[] = $this->supported_privilege($name, $data, $path);
|
|
}
|
|
}
|
|
return self::mkprop('supported-privilege', $props);
|
|
}
|
|
|
|
/**
|
|
* Checks if a given property was requested in propfind request
|
|
*
|
|
* @param string $name property name
|
|
* @param string $ns=null namespace, if that is to be checked too
|
|
* @return boolean|string true: $name explicitly requested (or autoindex), 'allprop' requested, false: $name was not requested
|
|
*/
|
|
function prop_requested($name, $ns=null)
|
|
{
|
|
if (!is_array($this->propfind_options) || !isset($this->propfind_options['props']))
|
|
{
|
|
return true; // no props set, should happen only in autoindex, we return true to show all available props
|
|
}
|
|
$ret = false;
|
|
foreach($this->propfind_options['props'] as $prop)
|
|
{
|
|
if ($prop['name'] == $name && (is_null($ns) || $prop['xmlns'] == $ns))
|
|
{
|
|
$ret = true;
|
|
break;
|
|
}
|
|
if ($prop['name'] == 'allprop') $ret = 'allprop';
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Add user home with addressbook, calendar, infolog
|
|
*
|
|
* @param array $files
|
|
* @param string $path / or /<username>/
|
|
* @param int $user
|
|
* @param int $depth
|
|
* @return string|boolean http status or true|false
|
|
*/
|
|
protected function add_home(array &$files, $path, $user, $depth)
|
|
{
|
|
if ($user)
|
|
{
|
|
$account_lid = $this->accounts->id2name($user);
|
|
}
|
|
else
|
|
{
|
|
$account_lid = $GLOBALS['egw_info']['user']['account_lid'];
|
|
}
|
|
$account = $this->accounts->read($account_lid);
|
|
|
|
$calendar_user_address_set = array(
|
|
self::mkprop('href','urn:uuid:'.$account['account_lid']),
|
|
);
|
|
if ($user < 0)
|
|
{
|
|
$principalType = 'groups';
|
|
$displayname = lang('Group').' '.$account['account_lid'];
|
|
}
|
|
else
|
|
{
|
|
$principalType = 'users';
|
|
$displayname = $account['account_fullname'];
|
|
$calendar_user_address_set[] = self::mkprop('href','MAILTO:'.$account['account_email']);
|
|
}
|
|
$calendar_user_address_set[] = self::mkprop('href',$this->base_uri.'/principals/'.$principalType.'/'.$account['account_lid'].'/');
|
|
|
|
if ($depth && $path == '/')
|
|
{
|
|
$displayname = 'EGroupware (Cal|Card|Group)DAV server';
|
|
}
|
|
|
|
$displayname = translation::convert($displayname, translation::charset(),'utf-8');
|
|
// self url
|
|
$files['files'][] = $this->add_collection($path, array(
|
|
'displayname' => $displayname,
|
|
'owner' => $path == '/' ? '' : array(self::mkprop('href',$this->base_uri.'/principals/'.$principalType.'/'.$account_lid.'/')),
|
|
));
|
|
if ($depth)
|
|
{
|
|
foreach($this->root as $app => $data)
|
|
{
|
|
if (!$GLOBALS['egw_info']['user']['apps'][$data['app'] ? $data['app'] : $app]) continue; // no rights for the given app
|
|
if (!empty($data['user-only']) && ($path == '/' || $user < 0)) continue;
|
|
|
|
$files['files'][] = $this->add_app($app,false,$user,$path);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Add an application collection to a user home or the root
|
|
*
|
|
* @param string $app
|
|
* @param boolean $no_extra_types=false should the GroupDAV and CalDAV types be added (KAddressbook has problems with it in self URL)
|
|
* @param int $user=null owner of the collection, default current user
|
|
* @param string $path='/'
|
|
* @return array with values for keys 'path' and 'props'
|
|
*/
|
|
protected function add_app($app,$no_extra_types=false,$user=null,$path='/')
|
|
{
|
|
if ($this->debug) error_log(__METHOD__."(app='$app', no_extra_types=$no_extra_types, user='$user', path='$path')");
|
|
$user_preferences = $GLOBALS['egw_info']['user']['preferences'];
|
|
if ($user)
|
|
{
|
|
$account_lid = $this->accounts->id2name($user);
|
|
if ($user >= 0 && $GLOBALS['egw']->preferences->account_id != $user)
|
|
{
|
|
$GLOBALS['egw']->preferences->__construct($user);
|
|
$user_preferences = $GLOBALS['egw']->preferences->read_repository();
|
|
$GLOBALS['egw']->preferences->__construct($GLOBALS['egw_info']['user']['account_lid']);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$account_lid = $GLOBALS['egw_info']['user']['account_lid'];
|
|
}
|
|
|
|
if (strlen($user_preferences['calendar']['display_color']) == 9 &&
|
|
$user_preferences['calendar']['display_color'][0] == '#')
|
|
{
|
|
$display_color = $user_preferences['calendar']['display_color'];
|
|
}
|
|
else
|
|
{
|
|
$display_color = '#0040A0FF';
|
|
}
|
|
|
|
$account = $this->accounts->read($account_lid);
|
|
$displayname = translation::convert($account['account_fullname'],translation::charset(),'utf-8');
|
|
|
|
if ($user < 0)
|
|
{
|
|
$principalType = 'groups';
|
|
}
|
|
else
|
|
{
|
|
$principalType = 'users';
|
|
}
|
|
|
|
$props = array(
|
|
'owner' => array(self::mkprop('href',$this->base_uri.'/principals/'.$principalType.'/'.$account_lid.'/')),
|
|
);
|
|
|
|
$displayname = translation::convert(lang($app).' '.
|
|
common::grab_owner_name($user),$this->egw_charset,'utf-8');
|
|
switch ($app)
|
|
{
|
|
case 'calendar':
|
|
$props['calendar-color'] = self::mkprop(groupdav::ICAL,'calendar-color',$display_color);
|
|
break;
|
|
case 'infolog':
|
|
break;
|
|
case 'inbox':
|
|
$displayname = lang('Scheduling inbox').' '.common::grab_owner_name($user);
|
|
break;
|
|
case 'outbox':
|
|
$displayname = lang('Scheduling outbox').' '.common::grab_owner_name($user);
|
|
break;
|
|
default:
|
|
$displayname = translation::convert(lang($app).' '.
|
|
common::grab_owner_name($user),$this->egw_charset,'utf-8');
|
|
}
|
|
$props['displayname'] = $displayname;
|
|
|
|
foreach((array)$this->root[$app] as $prop => $values)
|
|
{
|
|
switch($prop)
|
|
{
|
|
case 'resourcetype';
|
|
if (!$no_extra_types)
|
|
{
|
|
foreach($this->root[$app]['resourcetype'] as $ns => $type)
|
|
{
|
|
$props['resourcetype'][] = self::mkprop($ns,$type,'');
|
|
}
|
|
// add /addressbook/ as directory gateway
|
|
if ($app == 'addressbook' && $path == '/')
|
|
{
|
|
$props['resourcetype'][] = self::mkprop(self::CARDDAV, 'directory', '');
|
|
}
|
|
}
|
|
break;
|
|
case 'app':
|
|
case 'user-only':
|
|
break; // no props, already handled
|
|
default:
|
|
if (is_array($values))
|
|
{
|
|
foreach($values as $ns => $value)
|
|
{
|
|
$props[$prop] = self::mkprop($ns,$prop,$value);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$props[$prop] = $values;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
// add other handler specific properties
|
|
if (($handler = self::app_handler($app)))
|
|
{
|
|
if (method_exists($handler,'extra_properties'))
|
|
{
|
|
$displayname = translation::convert(
|
|
$account['account_id'] > 0 ? $account['account_fullname'] : lang('Group').' '.$account['account_lid'],
|
|
translation::charset(),'utf-8');
|
|
$props = $handler->extra_properties($props,$displayname,$this->base_uri,$user);
|
|
}
|
|
// add ctag if handler implements it
|
|
if (method_exists($handler,'getctag') && $this->prop_requested('getctag') === true)
|
|
{
|
|
$props['getctag'] = self::mkprop(
|
|
groupdav::CALENDARSERVER,'getctag',$handler->getctag($path,$user));
|
|
}
|
|
}
|
|
if ($handler) $privileges = $handler->current_user_privileges($path.$app.'/', $user) ;
|
|
|
|
return $this->add_collection($path.$app.'/', $props, $privileges);
|
|
}
|
|
|
|
/**
|
|
* CalDAV/CardDAV REPORT method handler
|
|
*
|
|
* just calls PROPFIND()
|
|
*
|
|
* @param array general parameter passing array
|
|
* @param array return array for file properties
|
|
* @return bool true on success
|
|
*/
|
|
function REPORT(&$options, &$files)
|
|
{
|
|
if ($this->debug > 1) error_log(__METHOD__.'('.array2string($options).')');
|
|
|
|
return $this->PROPFIND($options,$files,'REPORT');
|
|
}
|
|
|
|
/**
|
|
* CalDAV/CardDAV REPORT method handler to get HTTP_WebDAV_Server to process REPORT requests
|
|
*
|
|
* Just calls http_PROPFIND()
|
|
*/
|
|
function http_REPORT()
|
|
{
|
|
parent::http_PROPFIND('REPORT');
|
|
}
|
|
|
|
/**
|
|
* GET method handler
|
|
*
|
|
* @param array $options parameter passing array
|
|
* @return bool true on success
|
|
*/
|
|
function GET(&$options)
|
|
{
|
|
if ($this->debug) error_log(__METHOD__.'('.array2string($options).')');
|
|
|
|
if (!$this->_parse_path($options['path'],$id,$app,$user) || $app == 'principals')
|
|
{
|
|
return $this->autoindex($options);
|
|
|
|
error_log(__METHOD__."(".array2string($options).") 404 Not Found");
|
|
return '404 Not Found';
|
|
}
|
|
if (($handler = self::app_handler($app)))
|
|
{
|
|
return $handler->get($options,$id,$user);
|
|
}
|
|
error_log(__METHOD__."(".array2string($options).") 501 Not Implemented");
|
|
return '501 Not Implemented';
|
|
}
|
|
|
|
/**
|
|
* Display an automatic index (listing and properties) for a collection
|
|
*
|
|
* @param array $options parameter passing array, index "path" contains requested path
|
|
*/
|
|
protected function autoindex($options)
|
|
{
|
|
$propfind_options = array(
|
|
'path' => $options['path'],
|
|
'depth' => 1,
|
|
);
|
|
$files = array();
|
|
if (($ret = $this->PROPFIND($propfind_options,$files)) !== true)
|
|
{
|
|
return $ret; // no collection
|
|
}
|
|
header('Content-type: text/html; charset='.translation::charset());
|
|
echo "<html>\n<head>\n\t<title>".'EGroupware (Cal|Card|Group)DAV server '.htmlspecialchars($options['path'])."</title>\n";
|
|
echo "\t<meta http-equiv='content-type' content='text/html; charset=utf-8' />\n";
|
|
echo "\t<style type='text/css'>\n.th { background-color: #e0e0e0; }\n.row_on { background-color: #F1F1F1; vertical-align: top; }\n".
|
|
".row_off { background-color: #ffffff; vertical-align: top; }\ntd { padding-left: 5px; }\nth { padding-left: 5px; text-align: left; }\n\t</style>\n";
|
|
echo "</head>\n<body>\n";
|
|
|
|
echo '<h1>(Cal|Card|Group)DAV ';
|
|
$path = '/groupdav.php';
|
|
foreach(explode('/',$this->_unslashify($options['path'])) as $n => $name)
|
|
{
|
|
$path .= ($n != 1 ? '/' : '').$name;
|
|
echo html::a_href(htmlspecialchars($name.'/'),$path);
|
|
}
|
|
echo "</h1>\n";
|
|
|
|
$n = 0;
|
|
foreach($files['files'] as $file)
|
|
{
|
|
if (!isset($collection_props))
|
|
{
|
|
$collection_props = $this->props2array($file['props']);
|
|
echo '<h3>'.lang('Collection listing').': '.htmlspecialchars($collection_props['DAV:displayname'])."</h3>\n";
|
|
continue; // own entry --> displaying properies later
|
|
}
|
|
if(!$n++)
|
|
{
|
|
echo "<table>\n\t<tr class='th'><th>#</th><th>".lang('Name')."</th><th>".lang('Size')."</th><th>".lang('Last modified')."</th><th>".
|
|
lang('ETag')."</th><th>".lang('Content type')."</th><th>".lang('Resource type')."</th></tr>\n";
|
|
}
|
|
$props = $this->props2array($file['props']);
|
|
//echo $file['path']; _debug_array($props);
|
|
$class = $class == 'row_on' ? 'row_off' : 'row_on';
|
|
|
|
if (substr($file['path'],-1) == '/')
|
|
{
|
|
$name = basename(substr($file['path'],0,-1)).'/';
|
|
}
|
|
else
|
|
{
|
|
$name = basename($file['path']);
|
|
}
|
|
|
|
echo "\t<tr class='$class'>\n\t\t<td>$n</td>\n\t\t<td>".
|
|
html::a_href(htmlspecialchars($name),'/groupdav.php'.strtr($file['path'], array(
|
|
'%' => '%25',
|
|
'#' => '%23',
|
|
'?' => '%3F',
|
|
)))."</td>\n";
|
|
echo "\t\t<td>".$props['DAV:getcontentlength']."</td>\n";
|
|
echo "\t\t<td>".(!empty($props['DAV:getlastmodified']) ? date('Y-m-d H:i:s',$props['DAV:getlastmodified']) : '')."</td>\n";
|
|
echo "\t\t<td>".$props['DAV:getetag']."</td>\n";
|
|
echo "\t\t<td>".$props['DAV:getcontenttype']."</td>\n";
|
|
echo "\t\t<td>".$props['DAV:resourcetype']."</td>\n\t</tr>\n";
|
|
}
|
|
if (!$n)
|
|
{
|
|
echo '<p>'.lang('Collection empty.')."</p>\n";
|
|
}
|
|
else
|
|
{
|
|
echo "</table>\n";
|
|
}
|
|
echo '<h3>'.lang('Properties')."</h3>\n";
|
|
echo "<table>\n\t<tr class='th'><th>".lang('Namespace')."</th><th>".lang('Name')."</th><th>".lang('Value')."</th></tr>\n";
|
|
foreach($collection_props as $name => $value)
|
|
{
|
|
$class = $class == 'row_on' ? 'row_off' : 'row_on';
|
|
$ns = explode(':',$name);
|
|
$name = array_pop($ns);
|
|
$ns = implode(':',$ns);
|
|
echo "\t<tr class='$class'>\n\t\t<td>".htmlspecialchars($ns)."</td><td style='white-space: nowrap'>".htmlspecialchars($name)."</td>\n";
|
|
echo "\t\t<td>".$value."</td>\n\t</tr>\n";
|
|
}
|
|
echo "</table>\n";
|
|
|
|
$dav = array(1);
|
|
$allow = false;
|
|
$this->OPTIONS($options['path'], $dav, $allow);
|
|
echo "<p>DAV: ".implode(', ', $dav)."</p>\n";
|
|
|
|
echo "</body>\n</html>\n";
|
|
|
|
common::egw_exit();
|
|
}
|
|
|
|
/**
|
|
* Format a property value for output
|
|
*
|
|
* @param mixed $value
|
|
* @return string
|
|
*/
|
|
protected function prop_value($value)
|
|
{
|
|
if (is_array($value))
|
|
{
|
|
if (isset($value[0]['ns']))
|
|
{
|
|
$value = $this->_hierarchical_prop_encode($value);
|
|
}
|
|
$value = array2string($value);
|
|
}
|
|
if ($value[0] == '<' && function_exists('tidy_repair_string'))
|
|
{
|
|
$value = tidy_repair_string($value, array(
|
|
'indent' => true,
|
|
'show-body-only' => true,
|
|
'output-encoding' => 'utf-8',
|
|
'input-encoding' => 'utf-8',
|
|
'input-xml' => true,
|
|
'output-xml' => true,
|
|
'wrap' => 0,
|
|
));
|
|
}
|
|
if (preg_match('/\<(D:)?href\>[^<]+\<\/(D:)?href\>/i',$value))
|
|
{
|
|
$value = '<pre>'.preg_replace('/\<(D:)?href\>([^<]+)\<\/(D:)?href\>/i','<\\1href><a href="\\2">\\2</a></\\3href>',$value).'</pre>';
|
|
}
|
|
else
|
|
{
|
|
$value = $value[0] == '<' || strpos($value, "\n") !== false ? '<pre>'.htmlspecialchars($value).'</pre>' : htmlspecialchars($value);
|
|
}
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Return numeric indexed array with values for keys 'ns', 'name' and 'val' as array 'ns:name' => 'val'
|
|
*
|
|
* @param array $props
|
|
* @return array
|
|
*/
|
|
protected function props2array(array $props)
|
|
{
|
|
$arr = array();
|
|
foreach($props as $prop)
|
|
{
|
|
$ns_hash = array('DAV:' => 'D');
|
|
switch($prop['ns'])
|
|
{
|
|
case 'DAV:';
|
|
$ns = 'DAV';
|
|
break;
|
|
case self::CALDAV:
|
|
$ns = $ns_hash[$prop['ns']] = 'CalDAV';
|
|
break;
|
|
case self::CARDDAV:
|
|
$ns = $ns_hash[$prop['ns']] = 'CardDAV';
|
|
break;
|
|
case self::GROUPDAV:
|
|
$ns = $ns_hash[$prop['ns']] = 'GroupDAV';
|
|
break;
|
|
default:
|
|
$ns = $prop['ns'];
|
|
}
|
|
if (is_array($prop['val']))
|
|
{
|
|
$prop['val'] = $this->_hierarchical_prop_encode($prop['val'], $prop['ns'], $ns_defs='', $ns_hash);
|
|
// hack to show real namespaces instead of not (visibly) defined shortcuts
|
|
unset($ns_hash['DAV:']);
|
|
$value = strtr($v=$this->prop_value($prop['val']),array_flip($ns_hash));
|
|
}
|
|
else
|
|
{
|
|
$value = $this->prop_value($prop['val']);
|
|
}
|
|
$arr[$ns.':'.$prop['name']] = $value;
|
|
}
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* POST method handler
|
|
*
|
|
* @param array parameter passing array
|
|
* @return bool true on success
|
|
*/
|
|
function POST(&$options)
|
|
{
|
|
// read the content in a string, if a stream is given
|
|
if (isset($options['stream']))
|
|
{
|
|
$options['content'] = '';
|
|
while(!feof($options['stream']))
|
|
{
|
|
$options['content'] .= fread($options['stream'],8192);
|
|
}
|
|
}
|
|
if ($this->debug) error_log(__METHOD__.'('.array2string($options).')');
|
|
|
|
$this->_parse_path($options['path'],$id,$app,$user);
|
|
|
|
if (($handler = self::app_handler($app)) && method_exists($handler, 'post'))
|
|
{
|
|
return $handler->post($options,$id,$user);
|
|
}
|
|
return '501 Not Implemented';
|
|
}
|
|
|
|
/**
|
|
* PUT method handler
|
|
*
|
|
* @param array parameter passing array
|
|
* @return bool true on success
|
|
*/
|
|
function PUT(&$options)
|
|
{
|
|
// read the content in a string, if a stream is given
|
|
if (isset($options['stream']))
|
|
{
|
|
$options['content'] = '';
|
|
while(!feof($options['stream']))
|
|
{
|
|
$options['content'] .= fread($options['stream'],8192);
|
|
}
|
|
}
|
|
|
|
if ($this->debug) error_log(__METHOD__.'('.array2string($options).')');
|
|
|
|
if (!$this->_parse_path($options['path'],$id,$app,$user,$prefix))
|
|
{
|
|
return '404 Not Found';
|
|
}
|
|
if (($handler = self::app_handler($app)))
|
|
{
|
|
$status = $handler->put($options,$id,$user,$prefix);
|
|
// set default stati: true --> 204 No Content, false --> should be already handled
|
|
if (is_bool($status)) $status = $status ? '204 No Content' : '400 Something went wrong';
|
|
return $status;
|
|
}
|
|
return '501 Not Implemented';
|
|
}
|
|
|
|
/**
|
|
* DELETE method handler
|
|
*
|
|
* @param array general parameter passing array
|
|
* @return bool true on success
|
|
*/
|
|
function DELETE($options)
|
|
{
|
|
if ($this->debug) error_log(__METHOD__.'('.array2string($options).')');
|
|
|
|
if (!$this->_parse_path($options['path'],$id,$app,$user))
|
|
{
|
|
return '404 Not Found';
|
|
}
|
|
if (($handler = self::app_handler($app)))
|
|
{
|
|
$status = $handler->delete($options,$id);
|
|
// set default stati: true --> 204 No Content, false --> should be already handled
|
|
if (is_bool($status)) $status = $status ? '204 No Content' : '400 Something went wrong';
|
|
return $status;
|
|
}
|
|
return '501 Not Implemented';
|
|
}
|
|
|
|
/**
|
|
* MKCOL method handler
|
|
*
|
|
* @param array general parameter passing array
|
|
* @return bool true on success
|
|
*/
|
|
function MKCOL($options)
|
|
{
|
|
if ($this->debug) error_log(__METHOD__.'('.array2string($options).')');
|
|
|
|
return '501 Not Implemented';
|
|
}
|
|
|
|
/**
|
|
* MOVE method handler
|
|
*
|
|
* @param array general parameter passing array
|
|
* @return bool true on success
|
|
*/
|
|
function MOVE($options)
|
|
{
|
|
if ($this->debug) error_log(__METHOD__.'('.array2string($options).')');
|
|
|
|
return '501 Not Implemented';
|
|
}
|
|
|
|
/**
|
|
* COPY method handler
|
|
*
|
|
* @param array general parameter passing array
|
|
* @return bool true on success
|
|
*/
|
|
function COPY($options, $del=false)
|
|
{
|
|
if ($this->debug) error_log('groupdav::'.($del ? 'MOVE' : 'COPY').'('.array2string($options).')');
|
|
|
|
return '501 Not Implemented';
|
|
}
|
|
|
|
/**
|
|
* LOCK method handler
|
|
*
|
|
* @param array general parameter passing array
|
|
* @return bool true on success
|
|
*/
|
|
function LOCK(&$options)
|
|
{
|
|
self::_parse_path($options['path'],$id,$app,$user);
|
|
$path = egw_vfs::app_entry_lock_path($app,$id);
|
|
|
|
if ($this->debug) error_log(__METHOD__.'('.array2string($options).") path=$path");
|
|
|
|
// get the app handler, to check if the user has edit access to the entry (required to make locks)
|
|
$handler = self::app_handler($app);
|
|
|
|
// TODO recursive locks on directories not supported yet
|
|
if (!$id || !empty($options['depth']) || !$handler->check_access(EGW_ACL_EDIT,$id))
|
|
{
|
|
return '409 Conflict';
|
|
}
|
|
$options['timeout'] = time()+300; // 5min. hardcoded
|
|
|
|
// dont know why, but HTTP_WebDAV_Server passes the owner in D:href tags, which get's passed unchanged to checkLock/PROPFIND
|
|
// that's wrong according to the standard and cadaver does not show it on discover --> strip_tags removes eventual tags
|
|
if (($ret = egw_vfs::lock($path,$options['locktoken'],$options['timeout'],strip_tags($options['owner']),
|
|
$options['scope'],$options['type'],isset($options['update']),false)) && !isset($options['update'])) // false = no ACL check
|
|
{
|
|
return $ret ? '200 OK' : '409 Conflict';
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* UNLOCK method handler
|
|
*
|
|
* @param array general parameter passing array
|
|
* @return bool true on success
|
|
*/
|
|
function UNLOCK(&$options)
|
|
{
|
|
self::_parse_path($options['path'],$id,$app,$user);
|
|
$path = egw_vfs::app_entry_lock_path($app,$id);
|
|
|
|
if ($this->debug) error_log(__METHOD__.'('.array2string($options).") path=$path");
|
|
return egw_vfs::unlock($path,$options['token']) ? '204 No Content' : '409 Conflict';
|
|
}
|
|
|
|
/**
|
|
* checkLock() helper
|
|
*
|
|
* @param string resource path to check for locks
|
|
* @return bool true on success
|
|
*/
|
|
function checkLock($path)
|
|
{
|
|
self::_parse_path($path,$id,$app,$user);
|
|
$path = egw_vfs::app_entry_lock_path($app,$id);
|
|
|
|
return egw_vfs::checkLock($path);
|
|
}
|
|
|
|
/**
|
|
* ACL method handler
|
|
*
|
|
* @param array general parameter passing array
|
|
* @return string HTTP status
|
|
*/
|
|
function ACL(&$options)
|
|
{
|
|
self::_parse_path($options['path'],$id,$app,$user);
|
|
|
|
if ($this->debug) error_log(__METHOD__.'('.array2string($options).") path=$path");
|
|
|
|
$options['errors'] = array();
|
|
switch ($app)
|
|
{
|
|
case 'calendar':
|
|
case 'addressbook':
|
|
case 'infolog':
|
|
$status = '200 OK'; // grant all
|
|
break;
|
|
default:
|
|
$options['errors'][] = 'no-inherited-ace-conflict';
|
|
$status = '403 Forbidden';
|
|
}
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Parse a path into it's id, app and user parts
|
|
*
|
|
* @param string $path
|
|
* @param int &$id
|
|
* @param string &$app addressbook, calendar, infolog (=infolog)
|
|
* @param int &$user
|
|
* @param string &$user_prefix=null
|
|
* @return boolean true on success, false on error
|
|
*/
|
|
function _parse_path($path,&$id,&$app,&$user,&$user_prefix=null)
|
|
{
|
|
if ($this->debug)
|
|
{
|
|
error_log(__METHOD__." called with ('$path') id=$id, app='$app', user=$user");
|
|
}
|
|
if ($path[0] == '/')
|
|
{
|
|
$path = substr($path, 1);
|
|
}
|
|
$parts = explode('/', $this->_unslashify($path));
|
|
|
|
if (($account_id = $this->accounts->name2id($parts[0], 'account_lid')) ||
|
|
($account_id = $this->accounts->name2id($parts[0]=urldecode($parts[0]))))
|
|
{
|
|
// /$user/$app/...
|
|
$user = array_shift($parts);
|
|
}
|
|
|
|
$app = array_shift($parts);
|
|
|
|
if ($user)
|
|
{
|
|
$user_prefix = '/'.$user;
|
|
$user = $account_id;
|
|
}
|
|
else
|
|
{
|
|
$user_prefix = '';
|
|
$user = $GLOBALS['egw_info']['user']['account_id'];
|
|
}
|
|
|
|
$id = array_pop($parts);
|
|
|
|
$ok = $id && $user && in_array($app,array('addressbook','calendar','infolog','principals'));
|
|
if ($this->debug)
|
|
{
|
|
error_log(__METHOD__."('$path') returning " . ($ok ? 'true' : 'false') . ": id='$id', app='$app', user='$user', user_prefix='$user_prefix'");
|
|
}
|
|
return $ok;
|
|
}
|
|
/**
|
|
* Add the privileges of the current user
|
|
*
|
|
* @return array self::mkprop('privilege',array(...))
|
|
*/
|
|
static function current_user_privilege_set()
|
|
{
|
|
return array(self::mkprop('privilege',
|
|
array(//self::mkprop('all',''),
|
|
self::mkprop('read',''),
|
|
self::mkprop('read-free-busy',''),
|
|
//self::mkprop('read-current-user-privilege-set',''),
|
|
self::mkprop('bind',''),
|
|
self::mkprop('unbind',''),
|
|
self::mkprop('schedule-post',''),
|
|
self::mkprop('schedule-post-vevent',''),
|
|
self::mkprop('schedule-respond',''),
|
|
self::mkprop('schedule-respond-vevent',''),
|
|
self::mkprop('schedule-deliver',''),
|
|
self::mkprop('schedule-deliver-vevent',''),
|
|
self::mkprop('write',''),
|
|
self::mkprop('write-properties',''),
|
|
self::mkprop('write-content',''),
|
|
)));
|
|
}
|
|
}
|