ContextRequiredPolicy.inc.php

<?php
import('lib.pkp.classes.security.authorization.AuthorizationPolicy');
 
class ContextRequiredPolicy extends AuthorizationPolicy {
   var $_request;
 
   function __construct($request, $message = 'user.authorization.contextRequired') {
      parent::__construct($message);
      $this->_request = $request;
   }
 
 
   //
   // Implement template methods from AuthorizationPolicy
   //
   function effect() {
      $router = $this->_request->getRouter();
      if (is_object($router->getContext($this->_request))) {
         return AUTHORIZATION_PERMIT;
      } else {
         return AUTHORIZATION_DENY;
      }
   }
}