/usr/share/php/Horde/Kolab/Storage/List/Query/Acl/Cache.php is in php-horde-kolab-storage 2.0.5-1.
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/**
* Handles a cached list of folder acls.
*
* PHP version 5
*
* @category Kolab
* @package Kolab_Storage
* @author Gunnar Wrobel <wrobel@pardus.de>
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @link http://pear.horde.org/index.php?package=Kolab_Storage
*/
/**
* Handles a cached list of folder acls.
*
* Copyright 2011-2013 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @category Kolab
* @package Kolab_Storage
* @author Gunnar Wrobel <wrobel@pardus.de>
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @link http://pear.horde.org/index.php?package=Kolab_Storage
*/
class Horde_Kolab_Storage_List_Query_Acl_Cache
extends Horde_Kolab_Storage_List_Query_Acl
implements Horde_Kolab_Storage_List_Manipulation_Listener,
Horde_Kolab_Storage_List_Synchronization_Listener
{
/** The acl support */
const CAPABILITY = 'ACL';
/** The ACL query data */
const ACL = 'ACL';
/** The user specific rights */
const MYRIGHTS = 'MYRIGHTS';
/** All rights */
const ALLRIGHTS = 'ALLRIGHTS';
/**
* The underlying ACL query.
*
* @param Horde_Kolab_Storage_List_Query_Acl
*/
private $_query;
/**
* The list cache.
*
* @var Horde_Kolab_Storage_Cache_List
*/
private $_list_cache;
/**
* The cached ACL data.
*
* @var array
*/
private $_acl;
/**
* The cached user rights.
*
* @var array
*/
private $_my_rights;
/**
* The cached rights.
*
* @var array
*/
private $_all_rights;
/**
* Constructor.
*
* @param Horde_Kolab_Storage_List_Query_Acl $acl The underlying acl query.
* @param Horde_Kolab_Storage_List_Cache $cache The list cache.
*/
public function __construct(Horde_Kolab_Storage_List_Query_Acl $query,
Horde_Kolab_Storage_List_Cache $cache)
{
$this->_query = $query;
$this->_list_cache = $cache;
if ($this->_list_cache->hasQuery(self::ACL)) {
$this->_acl = $this->_list_cache->getQuery(self::ACL);
} else {
$this->_acl = array();
}
if ($this->_list_cache->hasQuery(self::MYRIGHTS)) {
$this->_my_rights = $this->_list_cache->getQuery(self::MYRIGHTS);
} else {
$this->_my_rights = array();
}
if ($this->_list_cache->hasQuery(self::ALLRIGHTS)) {
$this->_all_rights = $this->_list_cache->getQuery(self::ALLRIGHTS);
} else {
$this->_all_rights = array();
}
}
/**
* Does the backend support ACL?
*
* @return boolean True if the backend supports ACLs.
*/
public function hasAclSupport()
{
if (!$this->_list_cache->issetSupport(self::CAPABILITY)) {
$this->_list_cache->setSupport(
self::CAPABILITY,
$this->_query->hasAclSupport()
);
$this->_list_cache->save();
}
return $this->_list_cache->hasSupport(self::CAPABILITY);
}
/**
* Retrieve the access rights for a folder. This method will use two calls
* to the backend. It will first get the individual user rights via
* getMyRights and will subsequently fetch all ACL if the user has admin
* rights on a folder. If you already know the user has admin rights on a
* folder it makes more sense to call getAllAcl() directly.
*
* @param string $folder The folder to retrieve the ACL for.
*
* @return array An array of rights.
*/
public function getAcl($folder)
{
if (!isset($this->_acl[$folder])) {
$this->_acl[$folder] = $this->_query->getAcl($folder);
$this->_list_cache->setQuery(self::ACL, $this->_acl);
$this->_list_cache->save();
}
return $this->_acl[$folder];
}
/**
* Retrieve the access rights the current user has on a folder.
*
* @param string $folder The folder to retrieve the user ACL for.
*
* @return string The user rights.
*/
public function getMyAcl($folder)
{
if (!isset($this->_my_rights[$folder])) {
$this->_my_rights[$folder] = $this->_query->getMyAcl($folder);
$this->_list_cache->setQuery(self::MYRIGHTS, $this->_my_rights);
$this->_list_cache->save();
}
return $this->_my_rights[$folder];
}
/**
* Retrieve the all access rights on a folder.
*
* @param string $folder The folder to retrieve the ACL for.
*
* @return string The folder rights.
*/
public function getAllAcl($folder)
{
if (!isset($this->_all_rights[$folder])) {
$this->_all_rights[$folder] = $this->_query->getAllAcl($folder);
$this->_list_cache->setQuery(self::ALLRIGHTS, $this->_all_rights);
$this->_list_cache->save();
}
return $this->_all_rights[$folder];
}
/**
* Set the access rights for a folder.
*
* @param string $folder The folder to act upon.
* @param string $user The user to set the ACL for.
* @param string $acl The ACL.
*
* @return NULL
*/
public function setAcl($folder, $user, $acl)
{
$this->_query->setAcl($folder, $user, $acl);
$this->_purgeFolder($folder);
}
/**
* Delete the access rights for user on a folder.
*
* @param string $folder The folder to act upon.
* @param string $user The user to delete the ACL for
*
* @return NULL
*/
public function deleteAcl($folder, $user)
{
$this->_query->deleteAcl($folder, $user);
$this->_purgeFolder($folder);
}
/**
* Update the listener after creating a new folder.
*
* @param string $folder The path of the folder that has been created.
* @param string $type An optional type for the folder.
*
* @return NULL
*/
public function updateAfterCreateFolder($folder, $type = null)
{
}
/**
* Update the listener after deleting folder.
*
* @param string $folder The path of the folder that has been deleted.
*
* @return NULL
*/
public function updateAfterDeleteFolder($folder)
{
$this->_purgeFolder($folder);
}
/**
* Update the listener after renaming a folder.
*
* @param string $old The old path of the folder.
* @param string $new The new path of the folder.
*
* @return NULL
*/
public function updateAfterRenameFolder($old, $new)
{
$this->_purgeFolder($old);
}
/**
* Synchronize the ACL information with the information from the backend.
*
* @return NULL
*/
public function synchronize()
{
$this->_acl = array();
$this->_my_rights = array();
$this->_all_rights = array();
}
/**
* Remove outdated folder data from the cache.
*
* @param string $folder The folder name.
*
* @return NULL
*/
private function _purgeFolder($folder)
{
unset($this->_acl[$folder]);
unset($this->_my_rights[$folder]);
unset($this->_all_rights[$folder]);
$this->_list_cache->setQuery(self::ACL, $this->_acl);
$this->_list_cache->setQuery(self::MYRIGHTS, $this->_my_rights);
$this->_list_cache->setQuery(self::MYRIGHTS, $this->_all_rights);
$this->_list_cache->save();
}
}
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