silverstripe-framework/src/Control/HTTPApplication.php
2017-06-29 16:13:38 +12:00

75 lines
1.8 KiB
PHP

<?php
namespace SilverStripe\Control;
use SilverStripe\Control\Middleware\HTTPMiddlewareAware;
use SilverStripe\Core\Application;
use SilverStripe\Core\Kernel;
/**
* Invokes the HTTP application within an ErrorControlChain
*/
class HTTPApplication implements Application
{
use HTTPMiddlewareAware;
/**
* @var Kernel
*/
protected $kernel;
public function __construct(Kernel $kernel)
{
$this->kernel = $kernel;
}
/**
* Get the kernel for this application
*
* @return Kernel
*/
public function getKernel()
{
return $this->kernel;
}
/**
* Handle the given HTTP request
*
* @param HTTPRequest $request
* @return HTTPResponse
*/
public function handle(HTTPRequest $request)
{
$flush = array_key_exists('flush', $request->getVars()) || strpos($request->getURL(), 'dev/build') === 0;
// Ensure boot is invoked
return $this->execute($request, function (HTTPRequest $request) {
return Director::singleton()->handleRequest($request);
}, $flush);
}
/**
* Safely boot the application and execute the given main action
*
* @param HTTPRequest $request
* @param callable $callback
* @param bool $flush
* @return HTTPResponse
*/
public function execute(HTTPRequest $request, callable $callback, $flush = false)
{
try {
return $this->callMiddleware($request, function ($request) use ($callback, $flush) {
// Pre-request boot
$this->getKernel()->boot($flush);
return call_user_func($callback, $request);
});
} catch (HTTPResponse_Exception $ex) {
return $ex->getResponse();
} finally {
$this->getKernel()->shutdown();
}
}
}