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Path: /data/applications/aps/tikiwiki/14.1-0/standard/htdocs/lib/core/Perms/Resolver/ [ Home ]
File: Static.php
<?php
// (c) Copyright 2002-2015 by authors of the Tiki Wiki CMS Groupware Project
// 
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id: Static.php 53803 2015-02-06 00:42:50Z jyhem $

/**
 * Resolver containing the list of permissions for each group as a
 * static list. The resolvers are generated by factories and apply
 * for a specific context.
 */
class Perms_Resolver_Static implements Perms_Resolver
{
	private $known = array();
	private $from = '';

	/*
	 * Convert array $known into an internal structure where the permission name is the key.
	 * I.e. $this->known['customers']['add_object'] == true
	 * @param array $known - array[groupname] = array(perms)
	 * @param string $from -type of object the permissons belongs to : i.e 'object', 'category'
	 */
	function __construct( array $known, $from = '' )
	{
		foreach ( $known as $group => $perms ) {
			$this->known[$group] = array_fill_keys($perms, true);
		}
		$this->from = $from;
	}

	
	/*
	 * Check if a specific permission like 'add_object' exist in any of the groups
	 * @param string $name  - permission name
	 * @param array $groups - all groups available
	 * @return bool $success - true if permission was found 
	 */
	function check( $name, array $groups )
	{
		foreach ( $groups as $groupName ) {
			if ( isset( $this->known[$groupName] ) ) {
				if ( isset( $this->known[$groupName][$name] ) ) {
					return true;
				}
			}
		}

		return false;
	}
	
	

	/*
	 * Get name of the object type the permissons to check belong to : i.e 'object', 'category'
	 * @return $string name of object type
	 */
	function from()
	{
		return $this->from;
	}

	
	/*
	 * Get array of applicable groups.
	 * @return array $ applicableGroups 
	 */
	function applicableGroups()
	{
		return array_keys($this->known);
	}
}