mirror of
https://github.com/EGroupware/egroupware.git
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03ed1d3ddb
--> app groupdav classes now get calling groupdav object as parameter Had a quick test with iOS & OS X addressbook, calendar and with Lightning
643 lines
21 KiB
PHP
643 lines
21 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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* @todo All principal urls should either contain no account_lid (eg. base64 of it) or use urlencode($account_lid)
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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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* 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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* Reference to the ACL class
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*
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* @var acl
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*/
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var $acl;
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/**
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* Constructor
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*
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* @param string $app 'calendar', 'addressbook' or 'infolog'
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* @param groupdav $groupdav calling class
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*/
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function __construct($app, groupdav $groupdav)
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{
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parent::__construct($app, $groupdav);
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$this->accounts = $GLOBALS['egw']->accounts;
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$this->acl = $GLOBALS['egw']->acl;
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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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'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[] = 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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* Do propfind in /pricipals/users
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*
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* @param string $name name of account or empty
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* @param string $rest rest of path behind account-name
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* @param array $options
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* @return array|string array with files or HTTP error code
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*/
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protected function propfind_users($name,$rest,array $options)
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{
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//error_log(__METHOD__."($name,$rest,".array2string($options).')');
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if (empty($name))
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{
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$files = array();
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// add /pricipals/users/ entry
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$files[] = $this->add_collection('/principals/users/');
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if ($options['depth'])
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{
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// add all users
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foreach($this->accounts->search(array('type' => 'accounts')) as $account)
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{
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$files[] = $this->add_account($account);
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}
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}
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}
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else
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{
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if (!($id = $this->accounts->name2id($name,'account_lid','u')) ||
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!($account = $this->accounts->read($id)))
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{
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return '404 Not Found';
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}
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while (substr($rest,-1) == '/') $rest = substr($rest,0,-1);
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switch((string)$rest)
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{
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case '':
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$files[] = $this->add_account($account);
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if ($options['depth'])
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{
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$files[] = $this->add_proxys('users/'.$account['account_lid'], 'calendar-proxy-read');
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$files[] = $this->add_proxys('users/'.$account['account_lid'], 'calendar-proxy-write');
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}
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break;
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case 'calendar-proxy-read':
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case 'calendar-proxy-write':
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$files = array();
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$files[] = $this->add_proxys('users/'.$account['account_lid'], $rest);
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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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}
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return $files;
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}
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/**
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* Do propfind in /pricipals/groups
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*
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* @param string $name name of group or empty
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* @param string $rest rest of path behind account-name
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* @param array $options
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* @return array|string array with files or HTTP error code
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*/
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protected function propfind_groups($name,$rest,array $options)
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{
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//echo "<p>".__METHOD__."($name,$rest,".array2string($options).")</p>\n";
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if (empty($name))
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{
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$files = array();
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// add /pricipals/users/ entry
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$files[] = $this->add_collection('/principals/groups/');
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if ($options['depth'])
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{
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// add all users
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foreach($this->accounts->search(array('type' => 'groups')) as $account)
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{
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$files[] = $this->add_group($account);
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}
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}
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}
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else
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{
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if (!($id = $this->accounts->name2id($name,'account_lid','g')) ||
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!($account = $this->accounts->read($id)))
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{
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return '404 Not Found';
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}
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while (substr($rest,-1) == '/') $rest = substr($rest,0,-1);
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switch((string)$rest)
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{
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case '':
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$files[] = $this->add_group($account);
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if ($options['depth'])
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{
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$files[] = $this->add_proxys('groups/'.$account['account_lid'], 'calendar-proxy-read');
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$files[] = $this->add_proxys('groups/'.$account['account_lid'], 'calendar-proxy-write');
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}
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break;
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case 'calendar-proxy-read':
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case 'calendar-proxy-write':
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$files = array();
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$files[] = $this->add_proxys('groups/'.$account['account_lid'], $rest);
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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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}
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return $files;
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}
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/**
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* Get shared addressbooks of current user
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*
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* @return array with path relative to base URI (without addressbook postfix!)
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*/
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protected function get_shared_addressbooks()
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{
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$addressbooks = array();
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$addressbook_home_set = $GLOBALS['egw_info']['user']['preferences']['groupdav']['addressbook-home-set'];
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if (empty($addressbook_home_set)) $addressbook_home_set = 'P'; // personal addressbook
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$addressbook_home_set = explode(',',$addressbook_home_set);
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// replace symbolic id's with real nummeric id's
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foreach(array(
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'P' => $GLOBALS['egw_info']['user']['account_id'],
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'G' => $GLOBALS['egw_info']['user']['account_primary_group'],
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'U' => '0',
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) as $sym => $id)
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{
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if (($key = array_search($sym, $addressbook_home_set)) !== false)
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{
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$addressbook_home_set[$key] = $id;
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}
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}
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if (in_array('O',$addressbook_home_set)) // "all in one" from groupdav.php/addressbook/
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{
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$addressbooks[] = '/';
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}
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foreach(ExecMethod('addressbook.addressbook_bo.get_addressbooks',EGW_ACL_READ) as $id => $label)
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{
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if ((in_array('A',$addressbook_home_set) || in_array((string)$id,$addressbook_home_set)) &&
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is_numeric($id) && ($owner = $this->accounts->id2name($id)))
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{
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$addressbooks[] = '/'.urlencode($owner).'/';
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}
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}
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return $addressbooks;
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}
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/**
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* Add collection of a single account to a collection
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*
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* @param array $account
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* @return array with values for keys 'path' and 'props'
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*/
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protected function add_account(array $account)
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{
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$addressbooks = $calendars = array();
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if ($account['account_id'] == $GLOBALS['egw_info']['user']['account_id'])
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{
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foreach($this->get_shared_addressbooks() as $path)
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{
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$addressbooks[] = HTTP_WebDAV_Server::mkprop('href',$this->base_uri.$path);
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}
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$calendars[] = HTTP_WebDAV_Server::mkprop('href',
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$this->base_uri.'/'.$account['account_lid'].'/');
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/* iCal send propfind to wrong url (concatinated href's), if we return multiple href in calendar-home-set
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$cal_bo = new calendar_bo();
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foreach ($cal_bo->list_cals() as $label => $entry)
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{
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$id = $entry['grantor'];
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$owner = $this->accounts->id2name($id);
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$calendars[] = HTTP_WebDAV_Server::mkprop('href',
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$this->base_uri.'/'.$owner.'/');
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}
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*/
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}
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else
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{
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$addressbooks[] = HTTP_WebDAV_Server::mkprop('href',
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$this->base_uri.'/'.$account['account_lid'].'/');
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$calendars[] = HTTP_WebDAV_Server::mkprop('href',
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$this->base_uri.'/'.$account['account_lid'].'/');
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}
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$displayname = translation::convert($account['account_fullname'], translation::charset(),'utf-8');
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return $this->add_principal('users/'.$account['account_lid'], array(
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'getetag' => $this->get_etag($account),
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'displayname' => $displayname,
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'alternate-URI-set' => array(
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HTTP_WebDAV_Server::mkprop('href','MAILTO:'.$account['account_email'])),
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'calendar-home-set' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-home-set',$calendars),
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'calendar-user-address-set' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-address-set',array(
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HTTP_WebDAV_Server::mkprop('href','MAILTO:'.$account['account_email']),
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/principals/users/'.$account['account_lid'].'/'),
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HTTP_WebDAV_Server::mkprop('href','urn:uuid:'.$account['account_lid']))),
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'schedule-outbox-URL' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'schedule-outbox-URL',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/calendar/'))),
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'email-address-set' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'email-address-set',array(
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HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'email-address',$account['account_email']))),
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'last-name' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'last-name',$account['account_lastname']),
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'first-name' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'first-name',$account['account_firstname']),
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'record-type' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'record-type','user'),
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'calendar-user-type' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-type','INDIVIDUAL'),
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'addressbook-home-set' => HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-home-set',$addressbooks),
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'group-membership' => $this->principal_set('group-membership', $this->accounts->memberships($account['account_id']),
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'calendar', $account['account_id']), // add proxy-rights
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));
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}
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/**
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* Add collection of a single group to a collection
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*
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* @param array $account
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* @return array with values for keys 'path' and 'props'
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*/
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protected function add_group(array $account)
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{
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$displayname = translation::convert(lang('Group').' '.$account['account_lid'], translation::charset(), 'utf-8');
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return $this->add_principal('groups/'.$account['account_lid'], array(
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'getetag' => $this->get_etag($account),
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'displayname' => $displayname,
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'calendar-home-set' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-home-set',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/'))),
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'addressbook-home-set' => HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-home-set',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/'))),
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'record-type' => HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'record-type','group'),
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'calendar-user-type' => HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-type','GROUP'),
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'group-member-set' => $this->principal_set('group-member-set', $this->accounts->members($account['account_id'])),
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));
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}
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/**
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* Add a collection
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*
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* @param string $path
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* @param array $props=array() extra properties 'resourcetype' is added anyway, name => value pairs or name => HTTP_WebDAV_Server([namespace,]name,value)
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* @return array with values for keys 'path' and 'props'
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*/
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protected function add_collection($path, array $props = array())
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{
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return $this->groupdav->add_collection($path, $props);
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}
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/**
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* Add a principal collection
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*
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* @param string $principal relative to principal-collection-set, eg. "users/username"
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* @param array $props=array() extra properties 'resourcetype' is added anyway
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* @param string $principal_url=null include given principal url, relative to principal-collection-set, default $principal
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* @return array with values for keys 'path' and 'props'
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*/
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protected function add_principal($principal, array $props = array(), $principal_url=null)
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{
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$props['resourcetype'][] = HTTP_WebDAV_Server::mkprop('principal', '');
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// required props per WebDAV ACL
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foreach(array('alternate-URI-set', 'group-membership') as $name)
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{
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if (!isset($props[$name])) $props[$name] = HTTP_WebDAV_Server::mkprop($name,'');
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}
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if (!$principal_url) $principal_url = $principal;
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$props['principal-URL'] = array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/principals/'.$principal.'/'));
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return $this->add_collection('/principals/'.$principal.'/', $props);
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}
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/**
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* Add a proxy collection for given principal and type
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*
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* A proxy is a user or group who has the right to act on behalf of the user
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*
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* @param string $principal relative to principal-collection-set, eg. "users/username"
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* @param string $type eg. 'calendar-proxy-read' or 'calendar-proxy-write'
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* @param array $proxys=array()
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* @return array with values for 'path' and 'props'
|
|
*/
|
|
protected function add_proxys($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', $proxys),
|
|
'getetag' => 'EGw-'.md5(serialize($proxys)).'-wGE',
|
|
'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'])
|
|
{
|
|
$options['depth'] = 0;
|
|
$files = array_merge($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 'EGw-'.$account['account_id'].':'.md5(serialize($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'])) : '').'-wGE';
|
|
}
|
|
} |