mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-30 11:53:57 +01:00
451 lines
14 KiB
PHP
451 lines
14 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) 2008-10 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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class groupdav_principals extends groupdav_handler
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{
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/**
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* Constructor
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*
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* @param string $app 'calendar', 'addressbook' or 'infolog'
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* @param int $debug=null debug-level to set
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* @param string $base_uri=null base url of handler
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* @param string $principalURL=null pricipal url of handler
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*/
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function __construct($app,$debug=null,$base_uri=null,$principalURL=null)
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{
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parent::__construct($app,$debug,$base_uri,$principalURL);
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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,$user)
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{
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list(,$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 $files['files'];
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}
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return true;
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list(,,$id) = explode('/',$path);
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if ($id && !($id = $this->accounts->id2name($id)))
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{
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return false;
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}
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foreach($id ? array($this->accounts->read($id)) : $this->accounts->search(array('type' => 'accounts')) as $account)
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{
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$displayname = $this->translation->convert($account['account_fullname'],
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$this->translation->charset(),'utf-8');
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$props = array(
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HTTP_WebDAV_Server::mkprop('displayname',$displayname),
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HTTP_WebDAV_Server::mkprop('getetag',$this->get_etag($account)),
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HTTP_WebDAV_Server::mkprop('resourcetype','principal'),
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HTTP_WebDAV_Server::mkprop('alternate-URI-set',''),
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HTTP_WebDAV_Server::mkprop('principal-URL',$this->base_uri.'/principals/'.$account['account_lid']),
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HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-home-set',$this->base_uri.$account['account_lid'].'/calendar/'),
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HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-address-set','MAILTO:'.$account['account_email']),
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);
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foreach($this->accounts->memberships($account['account_id']) as $gid => $group)
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{
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$props[] = HTTP_WebDAV_Server::mkprop('group-membership',$this->base_uri.'/groups/'.$group);
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}
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$files['files'][] = array(
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'path' => '/principals/'.$account['account_lid'],
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'props' => $props,
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);
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if ($this->debug > 1) error_log(__METHOD__."($path) path=/principals/".$account['account_lid'].', props='.array2string($props));
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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/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 $options)
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{
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//echo "<p>".__METHOD__."($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[] = $this->add_collection('/principals/users/',array(
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HTTP_WebDAV_Server::mkprop('current-user-principal',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/principals/'.$GLOBALS['egw_info']['user']['account_lid'].'/'))),
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));
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if ($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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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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$files[] = $this->add_collection('/principals/users/'.$account['account_lid'].'/calendar-proxy-read');
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$files[] = $this->add_collection('/principals/users/'.$account['account_lid'].'/calendar-proxy-write');
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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[] = $this->add_collection('/principals/users/'.$account['account_lid'].'/'.$rest);
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// add proxys
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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[] = $this->add_collection('/principals/groups/',array(
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HTTP_WebDAV_Server::mkprop('current-user-principal',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/principals/'.$GLOBALS['egw_info']['user']['account_lid'].'/'))),
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));
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if ($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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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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$files[] = $this->add_collection('/principals/groups/'.$account['account_lid'].'/calendar-proxy-read');
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$files[] = $this->add_collection('/principals/groups/'.$account['account_lid'].'/calendar-proxy-write');
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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[] = $this->add_collection('/principals/groups/'.$account['account_lid'].'/'.$rest);
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// add proxys
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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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* 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 $account)
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{
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//echo "<p>".__METHOD__."(".array2string($account).")</p>\n";
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$displayname = $this->translation->convert($account['account_fullname'],
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$this->translation->charset(),'utf-8');
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$memberships = array();
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foreach($this->accounts->memberships($account['account_id']) as $gid => $group)
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{
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if ($group)
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{
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$memberships[] = HTTP_WebDAV_Server::mkprop('href',
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$this->base_uri.'/principals/groups/'.$group);
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}
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}
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$props = array(
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HTTP_WebDAV_Server::mkprop('displayname',$displayname),
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HTTP_WebDAV_Server::mkprop('getetag',$this->get_etag($account)),
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HTTP_WebDAV_Server::mkprop('resourcetype','principal'),
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HTTP_WebDAV_Server::mkprop('alternate-URI-set',array(
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HTTP_WebDAV_Server::mkprop('href','MAILTO:'.$account['account_email']))),
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HTTP_WebDAV_Server::mkprop('principal-URL',array(
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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(groupdav::CALDAV,'calendar-home-set',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/calendar/'))),
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HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-address-set',array(
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HTTP_WebDAV_Server::mkprop('href','MAILTO:'.$account['account_email']))),
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HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-home-set',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/'))),
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HTTP_WebDAV_Server::mkprop('group-member-ship', $memberships),
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);
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if ($this->debug > 1) error_log(__METHOD__."($path) path=/principals/users/".$account['account_lid'].', props='.array2string($props));
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return array(
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'path' => '/principals/users/'.$account['account_lid'].'/',
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'props' => $props,
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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 = $this->translation->convert(lang('Group').' '.$account['account_lid'],
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$this->translation->charset(),'utf-8');
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$members = array();
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foreach($this->accounts->members($account['account_id']) as $gid => $user)
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{
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if ($user)
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{
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$members[] = HTTP_WebDAV_Server::mkprop('href',
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$this->base_uri.'/principals/users/'.$user);
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}
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}
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$props = array(
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HTTP_WebDAV_Server::mkprop('displayname',$displayname),
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HTTP_WebDAV_Server::mkprop('getetag',$this->get_etag($account)),
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HTTP_WebDAV_Server::mkprop('resourcetype','principal'),
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HTTP_WebDAV_Server::mkprop('alternate-URI-set',''),
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HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-home-set',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/calendar/'))),
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HTTP_WebDAV_Server::mkprop(groupdav::CARDDAV,'addressbook-home-set',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/'.$account['account_lid'].'/'))),
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HTTP_WebDAV_Server::mkprop('group-member-set', $members),
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//HTTP_WebDAV_Server::mkprop('principal-URL',array(self::mkprop('href',$this->principalURL))),
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);
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$files['files'][] = array(
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'path' => '/principals/groups/'.$account['account_lid'].'/',
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'props' => $props,
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);
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if ($this->debug > 1) error_log(__METHOD__."($path) path=/principals/groups/".$account['account_lid'].', props='.array2string($props));
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return array(
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'path' => '/principals/groups/'.$account['account_lid'].'/',
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'props' => $props,
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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 $props=array() extra properties 'resourcetype' is added anyway
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* @return array
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*/
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protected function add_collection($path,$props=array())
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{
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//echo "<p>".__METHOD__."($path,".array($props).")</p>\n";
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$props[] = HTTP_WebDAV_Server::mkprop('resourcetype',array(
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HTTP_WebDAV_Server::mkprop('collection',''),
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HTTP_WebDAV_Server::mkprop('resourcetype','principal'),
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));
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return array(
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'path' => $path,
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'props' => $props,
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);
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}
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/**
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* Do propfind of /pricipals
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*
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* @param string $name name of group or empty
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* @param string $rest name of rest of path behind group-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_principals(array $options)
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{
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//echo "<p>".__METHOD__."(".array($options).")</p>\n";
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$files = array();
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$files[] = $this->add_collection('/principals/',array(
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HTTP_WebDAV_Server::mkprop('current-user-principal',array(
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HTTP_WebDAV_Server::mkprop('href',$this->base_uri.'/principals/users/'.$GLOBALS['egw_info']['user']['account_lid'].'/'))),
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));
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if ($options['depth'])
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{
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$options['depth'] = 0;
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$files = array_merge($files,$this->propfind_users('','',$options));
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$files = array_merge($files,$this->propfind_groups('','',$options));
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//$files = array_merge($this->propfind_resources('','',$options));
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//$files = array_merge($this->propfind_uids('','',$options));
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}
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return $files;
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}
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/**
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* Handle get request for an applications entry
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*
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* @param array &$options
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* @param int $id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function get(&$options,$id)
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{
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if (!is_array($account = $this->_common_get_put_delete('GET',$options,$id)))
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{
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return $account;
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}
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$name = $GLOBALS['egw']->translation->convert(
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trim($account['account_firstname'].' '.$account['account_lastname']),
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$GLOBALS['egw']->translation->charset(),'utf-8');
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$options['data'] = 'Principal: '.$account['account_lid'].
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"\nURL: ".$this->base_uri.$options['path'].
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"\nName: ".$name.
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"\nEmail: ".$account['account_email'].
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"\nMemberships: ".implode(', ',$this->accounts->memberships($id))."\n";
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$options['mimetype'] = 'text/plain; charset=utf-8';
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header('Content-Encoding: identity');
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header('ETag: '.$this->get_etag($account));
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return true;
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}
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/**
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* Handle get request for an applications entry
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*
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* @param array &$options
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* @param int $id
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* @param int $user=null account_id of owner, default null
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function put(&$options,$id,$user=null)
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{
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return false;
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}
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/**
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* Handle get request for an applications entry
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*
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* @param array &$options
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* @param int $id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function delete(&$options,$id)
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{
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return false;
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}
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/**
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* Read an entry
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*
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* @param string/int $id
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* @return array/boolean array with entry, false if no read rights, null if $id does not exist
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*/
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function read($id)
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{
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return false;
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//return $this->accounts->read($id);
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}
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/**
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* Check if user has the neccessary rights on an entry
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*
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* @param int $acl EGW_ACL_READ, EGW_ACL_EDIT or EGW_ACL_DELETE
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* @param array/int $entry entry-array or id
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* @return boolean null if entry does not exist, false if no access, true if access permitted
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*/
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function check_access($acl,$entry)
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{
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if ($acl != EGW_ACL_READ)
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{
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return false;
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}
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if (!is_array($entry) && !$this->accounts->name2id($entry,'account_lid','u'))
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{
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return null;
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}
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return true;
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}
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/**
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* Get the etag for an entry, can be reimplemented for other algorithm or field names
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*
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* @param array/int $event array with event or cal_id
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* @return string/boolean string with etag or false
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*/
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function get_etag($account)
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{
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if (!is_array($account))
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{
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$account = $this->read($account);
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}
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return 'EGw-'.$account['account_id'].':'.md5(serialize($account)).'-wGE';
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}
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} |