404 Not Found'; exit; } // Define base paths and load classes include_once(dirname(dirname(__FILE__)) . "/config/bootstrap.php"); // Check prerequisites. $prerequisites = new Prerequisites(); $results = $prerequisites->validate(); if (count($prerequisites->getErrors()) > 0) { $prerequisites->generateWebSummary($results); exit; } // Do any necessary database migrations $dbMgr = new Database(); $dbMgr->migrate(); // Make sure the initial setup is complete // unless we're already heading to setup // // TODO: Consider simplifying this. // Might not need the custom exception now that the prereq checker is more robust. if (!(preg_match('/setup$/', $path))) { try { // Make sure setup has been completed $dbMgr->confirmSetup(); } catch (SetupException $e) { $e->handle(); exit; } } // Get a database connection // TODO: Change from static function. global $db; $db = Database::get(); // Initialize core entities // Defining these as globals isn't great practice, // but this is a small, single-user app and this data will rarely change. global $config; global $user; $config = new ConfigModel($db); $config = $config->loadFromDatabase(); $user = new UserModel($db); $user = $user->loadFromDatabase(); // Start a session and generate a CSRF Token // if there isn't already an active session Session::start(); Session::generateCsrfToken(); // Remove the base path from the URL if (strpos($path, $config->basePath) === 0) { $path = substr($path, strlen($config->basePath)); } // strip the trailing slash from the resulting route $path = trim($path, '/'); // Set route context for logging Log::setRouteContext("$method $path"); Log::debug("Path requested: {$path}"); // if this is a POST and we aren't in setup, // make sure there's a valid session // if not, redirect to /login or die as appropriate if ($method === 'POST' && $path != 'setup') { if ($path != 'login'){ if (!Session::isValid($_POST['csrf_token'])) { // Invalid session - redirect to /login Log::info('Attempt to POST with invalid session. Redirecting to login.'); header('Location: ' . Util::buildRelativeUrl($config->basePath, 'login')); exit; } } else { if (!Session::isValidCsrfToken($_POST['csrf_token'])) { // Just die if the token is invalid on login Log::error("Attempt to log in with invalid CSRF token."); die('Invalid CSRF token'); exit; } } } // Set content type header('Content-Type: text/html; charset=utf-8'); // Render the requested route or throw a 404 $router = new Router($db, $config, $user); if (!$router->route($path, $method)){ http_response_code(404); echo "404 - Page Not Found"; exit; }