castopod/app/Filters/Permission.php

116 lines
3.6 KiB
PHP

<?php
namespace App\Filters;
use App\Models\PodcastModel;
use Config\Services;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use CodeIgniter\Filters\FilterInterface;
use Myth\Auth\Exceptions\PermissionException;
class Permission implements FilterInterface
{
/**
* Do whatever processing this filter needs to do.
* By default it should not return anything during
* normal execution. However, when an abnormal state
* is found, it should return an instance of
* CodeIgniter\HTTP\Response. If it does, script
* execution will end and that Response will be
* sent back to the client, allowing for error pages,
* redirects, etc.
*
* @param \CodeIgniter\HTTP\RequestInterface $request
* @param array|null $params
*
* @return mixed
*/
public function before(RequestInterface $request, $params = null)
{
if (!function_exists('logged_in')) {
helper('auth');
}
if (empty($params)) {
return;
}
$authenticate = Services::authentication();
// if no user is logged in then send to the login form
if (!$authenticate->check()) {
session()->set('redirect_url', current_url());
return redirect('login');
}
helper('misc');
$authorize = Services::authorization();
$router = Services::router();
$routerParams = $router->params();
$result = false;
// Check if user has at least one of the permissions
foreach ($params as $permission) {
// check if permission is for a specific podcast
if (
(startsWith($permission, 'podcast-') ||
startsWith($permission, 'podcast_episodes-')) &&
count($routerParams) > 0
) {
if (
$groupId = (new PodcastModel())->getContributorGroupId(
$authenticate->id(),
$routerParams[0]
)
) {
if ($authorize->groupHasPermission($permission, $groupId)) {
$result = true;
break;
}
}
} elseif (
$authorize->hasPermission($permission, $authenticate->id())
) {
$result = true;
break;
}
}
if (!$result) {
if ($authenticate->silent()) {
$redirectURL = session('redirect_url') ?? '/';
unset($_SESSION['redirect_url']);
return redirect()
->to($redirectURL)
->with('error', lang('Auth.notEnoughPrivilege'));
} else {
throw new PermissionException(lang('Auth.notEnoughPrivilege'));
}
}
}
//--------------------------------------------------------------------
/**
* Allows After filters to inspect and modify the response
* object as needed. This method does not allow any way
* to stop execution of other after filters, short of
* throwing an Exception or Error.
*
* @param \CodeIgniter\HTTP\RequestInterface $request
* @param \CodeIgniter\HTTP\ResponseInterface $response
* @param array|null $arguments
*
* @return void
*/
public function after(
RequestInterface $request,
ResponseInterface $response,
$arguments = null
) {
}
//--------------------------------------------------------------------
}