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<?php
/**
* The Group_hooks:: class provides the Horde groups system with the
* addition of adding support for hook functions to define if a user
* is in a group.
*
* $Horde: framework/Group/Group/hooks.php,v 1.7.2.10 2006/01/01 21:28:19 jan Exp $
*
* Copyright 2003-2006 Jason Rust <jrust@rustyparts.com>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Jason Rust <jrust@rustyparts.com>
* @since Horde 3.0
* @package Horde_Group
*/
class Group_hooks extends Group {
/**
* Constructor.
*/
function Group_hooks()
{
parent::Group();
require $GLOBALS['registry']->get('fileroot', 'horde') . '/config/hooks.php';
}
/**
* Get a list of every group that $user is in.
*
* @param string $user The user to get groups for.
* @param boolean $parentGroups Also return the parents of any groups?
*
* @return array An array of all groups the user is in.
*/
function getGroupMemberships($user, $parentGroups = false)
{
$memberships = parent::getGroupMemberships($user, $parentGroups);
$groups = $this->listGroups();
foreach ($groups as $gid => $group) {
if ($this->hasHook($group) &&
call_user_func($this->_getGroupHookName($group), $user)) {
$memberships += array($gid => $group);
}
if ($parentGroups) {
$parents = $this->getGroupParentList($gid);
foreach ($parents as $pid => $parent) {
if ($this->hasHook($parent) &&
call_user_func($this->_getGroupHookName($group), $user)) {
$memberships += array($pid => $parent);
}
}
}
}
return $memberships;
}
/**
* Say if a user is a member of a group or not.
*
* @param string $user The name of the user.
* @param integer $gid The ID of the group.
* @param boolean $subgroups Return true if the user is in any subgroups
* of $group, also.
*
* @return boolean
*/
function userIsInGroup($user, $gid, $subgroups = true)
{
$group = $this->getGroupName($gid);
if ($this->hasHook($group)) {
if (call_user_func($this->_getGroupHookName($group), $user)) {
$inGroup = true;
} else {
$inGroup = false;
}
} else {
$inGroup = false;
}
if ($inGroup || parent::userIsInGroup($user, $gid, $subgroups)) {
return true;
} else {
return false;
}
}
/**
* Determines if a group has a hook associated with it.
*
* @param string $name The group name.
*
* @return boolean True if the group has a hook, false otherwise
*/
function hasHook($name)
{
return function_exists($this->_getGroupHookName($name));
}
/**
* Returns the name of the hook function.
*
* @param string $name The group name.
*
* @return string The function name for the hook for this group
*/
function _getGroupHookName($name)
{
return '_group_hook_' . str_replace(':', '__', $name);
}
}
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