rss-bridge/lib/AuthenticationMiddleware.php

49 lines
1.4 KiB
PHP

<?php
/**
* This file is part of RSS-Bridge, a PHP project capable of generating RSS and
* Atom feeds for websites that don't have one.
*
* For the full license information, please view the UNLICENSE file distributed
* with this source code.
*
* @package Core
* @license http://unlicense.org/ UNLICENSE
* @link https://github.com/rss-bridge/rss-bridge
*/
final class AuthenticationMiddleware
{
public function __construct()
{
if (Configuration::getConfig('authentication', 'password') === '') {
throw new \Exception('The authentication password cannot be the empty string');
}
}
public function __invoke(): void
{
$user = $_SERVER['PHP_AUTH_USER'] ?? null;
$password = $_SERVER['PHP_AUTH_PW'] ?? null;
if ($user === null || $password === null) {
print $this->renderAuthenticationDialog();
exit;
}
if (
Configuration::getConfig('authentication', 'username') === $user
&& Configuration::getConfig('authentication', 'password') === $password
) {
return;
}
print $this->renderAuthenticationDialog();
exit;
}
private function renderAuthenticationDialog(): string
{
http_response_code(401);
header('WWW-Authenticate: Basic realm="RSS-Bridge"');
return render('access-denied.html.php');
}
}