VvebOIDC/admin/keycloak-callback.php

161 lines
5.1 KiB
PHP

<?php
/**
* Keycloak SSO Callback - Handles the return from Keycloak authentication
*
* This file processes the OAuth2 callback, validates the user, and creates Vvveb session
*
* Direct access: /admin/keycloak-callback.php
* Or via routing: /admin/index.php?module=keycloak/callback
*/
// Suppress deprecation warnings from jumbojett library (PHP 8.5 compatibility)
error_reporting(E_ALL & ~E_DEPRECATED & ~E_STRICT);
// Prevent output buffering issues
if (ob_get_level()) {
ob_clean();
}
// Bootstrap Vvveb in admin mode
define('APP', 'admin');
define('DS', DIRECTORY_SEPARATOR);
define('DIR_ROOT', dirname(__DIR__) . DS);
define('DIR_SYSTEM', DIR_ROOT . 'system' . DS);
// Load environment
require_once DIR_ROOT . 'env.php';
// Load Vvveb bootstrap (autoload, functions, etc.)
// IMPORTANT: We do NOT call System\Core\start() here to avoid full front controller
require_once DIR_SYSTEM . 'core/startup.php';
// Load Composer autoload for Keycloak library
require_once DIR_ROOT . 'vendor/autoload.php';
use Jumbojett\OpenIDConnectClient;
use Vvveb\System\User\Admin;
use Vvveb\System\Session as VSession;
// Start PHP session for OpenIDConnectClient library
if (session_status() === PHP_SESSION_NONE) {
session_start();
}
// Configuration Keycloak - MUST match keycloak-login.php
$keycloakUrl = 'https://connect.slm-lab.net/realms/cercle';
$keycloakClient = 'page.slm-lab.net';
$keycloakSecret = 'IGFw1QWDs9xQ7OyRp6YM8VRgQxn09tFF';
// Redirect URL - MUST match exactly the one configured in Keycloak
$redirectUrl = 'https://www.slm-lab.net/admin/index.php?page=keycloak-callback';
try {
// Create OpenID Connect client
$oidc = new OpenIDConnectClient(
$keycloakUrl,
$keycloakClient,
$keycloakSecret
);
$oidc->setRedirectURL($redirectUrl);
$oidc->addScope(['openid', 'profile', 'email']);
// Complete the OAuth2 flow (exchange code for tokens)
$oidc->authenticate();
// Get user information from Keycloak
$userInfo = $oidc->requestUserInfo();
// Extract email from Keycloak response
$email = $userInfo->email ?? null;
if (!$email) {
throw new \Exception('Keycloak did not return an email address.');
}
// Find admin user in Vvveb database using Vvveb API
// Only get active admins (status = 1)
$adminInfo = Admin::get([
'email' => $email,
'status' => 1,
]);
if (!$adminInfo) {
// User not found or not active
http_response_code(403);
?>
<!DOCTYPE html>
<html>
<head>
<title>Access Denied</title>
<style>
body { font-family: Arial, sans-serif; padding: 40px; text-align: center; }
.error { color: #d32f2f; background: #ffebee; padding: 20px; border-radius: 4px; margin: 20px auto; max-width: 600px; }
</style>
</head>
<body>
<h1>Access Denied</h1>
<div class="error">
<p>The email <strong><?php echo htmlspecialchars($email, ENT_QUOTES, 'UTF-8'); ?></strong> is not registered as an active admin in Vvveb.</p>
<p>Please contact your administrator to grant access.</p>
</div>
<p><a href="/admin/index.php?module=user/login">Return to login page</a></p>
</body>
</html>
<?php
exit;
}
// Create Vvveb admin session (same way Admin::login() does it)
$session = VSession::getInstance();
$session->regenerateId(true);
// Remove password hash from session data
if (isset($adminInfo['password'])) {
unset($adminInfo['password']);
}
// Optionally store Keycloak user info for reference
// $adminInfo['keycloak_sub'] = $userInfo->sub ?? null;
// $adminInfo['keycloak_username'] = $userInfo->preferred_username ?? null;
// Set admin session (namespace 'admin' is used by Vvveb\System\User\Admin)
$session->set('admin', $adminInfo);
// Redirect to admin dashboard
// Use adminPath() helper if available, otherwise hardcode
$adminPath = \Vvveb\adminPath() ?: '/admin/';
header('Location: ' . $adminPath . 'index.php');
exit;
} catch (\Exception $e) {
// Log error (if logging is available)
if (function_exists('error_log')) {
error_log('Keycloak SSO Error: ' . $e->getMessage());
}
// Show error page
http_response_code(500);
?>
<!DOCTYPE html>
<html>
<head>
<title>Authentication Error</title>
<style>
body { font-family: Arial, sans-serif; padding: 40px; text-align: center; }
.error { color: #d32f2f; background: #ffebee; padding: 20px; border-radius: 4px; margin: 20px auto; max-width: 600px; }
</style>
</head>
<body>
<h1>Authentication Error</h1>
<div class="error">
<p><strong>Keycloak authentication failed:</strong></p>
<p><?php echo htmlspecialchars($e->getMessage(), ENT_QUOTES, 'UTF-8'); ?></p>
</div>
<p><a href="/admin/index.php?module=user/login">Return to login page</a></p>
</body>
</html>
<?php
exit;
}