Source for file getWhoCanDo.act.php

<?php
/**
 * @since 11/29/06
 * @package polyphony.authorization
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: getWhoCanDo.act.php,v 1.5 2007/09/19 14:04:53 adamfranco Exp $
 */ 
 
require_once(dirname(__FILE__).'/AuthZXmlAction.class.php');
 
/**
 * Answer who has authorization to view a given qualifier
 * 
 * @since 11/29/06
 * @package polyphony.authorization
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: getWhoCanDo.act.php,v 1.5 2007/09/19 14:04:53 adamfranco Exp $
 */
class getWhoCanDoAction
    extends AuthZXmlAction
{
        
    /**
     * Check Authorizations
     * 
     * @return boolean 
     * @access public
     * @since 4/26/05
     */
    function isAuthorizedToExecute () {
        // Check that the user can access this collection
        $authZ = Services::getService("AuthZ");
 
        $idManager = Services::getService("Id");
        if (!$this->getQualifierId())
            return false;
        return $authZ->isUserAuthorized(
                    $idManager->getId("edu.middlebury.authorization.view_authorizations"), 
                    $this->getQualifierId());
    }
    
    /**
     * Execute the action
     * 
     * @return void 
     * @access public
     * @since 11/29/06
     */
    function buildContent () {
        
        $authZ = Services::getService("AuthZ");
        $agentMan = Services::getService("Agent");
        
        $agentIds =$authZ->getWhoCanDo($this->getFunctionId(), $this->getQualifierId());
        
        $this->start();
        while ($agentIds->hasNext()) {
            $agentId =$agentIds->next();
            
            if ($agent =$agentMan->getAgentOrGroup($agentId)) {
                print "\n\t<agent id=\"".$agentId->getIdString()."\"";
                print " displayName=\"".$agent->getDisplayName()."\"";
                print " agentOrGroup=\"".((method_exists($agent, 'getMembers'))?"group":"agent")."\"";
                print ">";
                
                // Get the AZs for the agent
                $azs =$authZ->getAllAZs($agentId, $null = null, $this->getQualifierId(), true);
                while ($azs->hasNext()) {
                    $az =$azs->next();
                    print "\n\t\t<authorization>";
                    $function =$az->getFunction();
                    $functionId =$function->getId();
                    print "\n\t\t\t<function id=\"".$functionId->getIdString()."\" ";
                    print "referenceName=\"".$function->getReferenceName()."\">";
                    print "\n\t\t\t\t<description>".$function->getDescription()."</description>";
                    $functionType =$function->getFunctionType();
                    print "\n\t\t\t\t<type>";
                    print "\n\t\t\t\t\t<domain>".$functionType->getDomain()."</domain>";
                    print "\n\t\t\t\t\t<authority>".$functionType->getAuthority()."</authority>";
                    print "\n\t\t\t\t\t<keyword>".$functionType->getKeyword()."</keyword>";
                    print "\n\t\t\t\t\t<description>".$functionType->getDescription()."</description>";
                    print "\n\t\t\t\t</type>";
                    print "\n\t\t\t</function>";
                    print "\n\t\t</authorization>";
                }
                print "\n\t</agent>";
            }
        }
        $this->end();
    }
}
 
?>