site = $site;
}
public function listen()
{
$runner = new RequestHandlerRunner(
$this->safelyBootAndGetHandler(),
new SapiEmitter,
[ServerRequestFactory::class, 'fromGlobals'],
function (Throwable $e) {
$generator = new ErrorResponseGenerator;
return $generator($e, new ServerRequest, new Response);
}
);
$runner->run();
}
/**
* Try to boot Flarum, and retrieve the app's HTTP request handler.
*
* We catch all exceptions happening during this process and format them to
* prevent exposure of sensitive information.
*
* @return \Psr\Http\Server\RequestHandlerInterface
*/
private function safelyBootAndGetHandler()
{
try {
return $this->site->bootApp()->getRequestHandler();
} catch (Throwable $e) {
exit($this->formatBootException($e));
}
}
/**
* Display the most relevant information about an early exception.
*/
private function formatBootException(Throwable $error): string
{
$message = $error->getMessage();
$file = $error->getFile();
$line = $error->getLine();
$type = get_class($error);
return <<
$message
thrown in $file on line $line
$error
ERROR;
}
}