/**
* Bootstraps the backend. This function registers an auto loader, parses the configuration
* file, configures error handling and logging and finally hands over control to the
* Router.
* Both the configuration and the logger instance are stored in the
* Dashboard\Backend\Application\LifeCycle\RequestScope, with the respective keys *config*
* and *logger*.
*
* @param \stdClass $config The configuration object.
* @return void
*/
public function bootstrap(\stdClass $config)
{
\spl_autoload_register('Dashboard\\Backend\\Application\\Control\\Autoloader::autoload', true, true);
$this->configureErrorHandling();
$config = new Config($config);
$sessionService = new Domain\Session\SessionService();
$session = $sessionService->createSession($config->get('session'));
$session->start();
$psrService = new Domain\Psr\PsrService();
RequestScope::instance()->set('config', $config);
RequestScope::instance()->set('logger', $psrService->createLogger($config));
RequestScope::instance()->set('session', $session);
}
public static final function handleError(int $errno, string $errstr, string $errfile = '', int $errline = 0, array $errcontext = array()) : bool
{
$psrService = new Domain\Psr\PsrService();
try {
$logger = null;
$scope = RequestScope::instance();
$message = $errstr . ' in file ' . $errfile . ' at line ' . $errline;
if ($scope->isDefined('logger')) {
$logger = $scope->get('logger');
} else {
// To be able to handle errors before the Logger has been created,
// we must create the Logger here. This happens for instance when
// the Backend::bootstrap() method has not yet finished.
// Errors can also occur before the configuration has been parsed.
// If that is the case, use a fake logger which just prints
// to stderr.
if ($scope->isDefined('config')) {
$logger = $psrService->createLogger(RequestScope::instance()->get('config'));
} else {
$logger = new PreBootstrapLogger();
}
}
switch ($errno) {
case E_ERROR:
$logger->emergency($message, $errcontext);
break;
case E_WARNING:
$logger->warning($message, $errcontext);
break;
case E_NOTICE:
$logger->notice($message, $errcontext);
break;
case E_CORE_ERROR:
$logger->emergency($message, $errcontext);
break;
case E_CORE_WARNING:
$logger->warning($message, $errcontext);
break;
case E_COMPILE_ERROR:
$logger->emergency($message, $errcontext);
break;
case E_COMPILE_WARNING:
$logger->warning($message, $errcontext);
break;
case E_USER_ERROR:
$logger->emergency($message, $errcontext);
break;
case E_USER_WARNING:
$logger->warning($message, $errcontext);
break;
case E_USER_NOTICE:
$logger->notice($message, $errcontext);
break;
case E_STRICT:
$logger->debug($message, $errcontext);
break;
case E_RECOVERABLE_ERROR:
$logger->critical($message, $errcontext);
break;
case E_DEPRECATED:
$logger->notice($message, $errcontext);
break;
case E_USER_DEPRECATED:
$logger->notice($message, $errcontext);
break;
default:
$logger->info($message, $errcontext);
break;
}
} catch (\Throwable $ex) {
$fd = @\fopen('php://stderr', 'w');
@\fwrite($fd, "Error '{$errstr}' in file '{$errfile}' at line '{$errline}'\n");
@\fclose($fd);
}
// Stop handling errors after this.
return true;
}
