moodle/lib/classes/exception/required_capability_exception.php
2024-06-10 12:13:00 +08:00

55 lines
2.3 KiB
PHP

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
namespace core\exception;
/**
* Exceptions indicating user does not have permissions to do something
* and the execution can not continue.
*
* @package core
* @subpackage exception
* @copyright 2009 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class required_capability_exception extends moodle_exception {
/**
* Constructor.
*
* @param \core\context $context The context used for the capability check
* @param string $capability The required capability
* @param string $errormessage The error message to show the user
* @param string $stringfile
*/
public function __construct($context, $capability, $errormessage, $stringfile) {
$capabilityname = get_capability_string($capability);
if ($context->contextlevel == CONTEXT_MODULE && preg_match('/:view$/', $capability)) {
// Cannot redirect to mod/xx/view.php because we most probably do not have cap to view it.
// Redirect to the course instead.
$parentcontext = $context->get_parent_context();
$link = $parentcontext->get_url();
} else {
$link = $context->get_url();
}
parent::__construct($errormessage, $stringfile, $link, $capabilityname);
}
}
// Alias this class to the old name.
// This file will be autoloaded by the legacyclasses autoload system.
// In future all uses of this class will be corrected and the legacy references will be removed.
class_alias(required_capability_exception::class, \required_capability_exception::class);