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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\HttpFoundation;
use Symfony\Component\Form\Exception\UnexpectedTypeException;
use Symfony\Component\Form\FormError;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\RequestHandlerInterface;
use Symfony\Component\Form\Util\ServerParams;
use Symfony\Component\HttpFoundation\File\File;
use Symfony\Component\HttpFoundation\Request;
/**
* A request processor using the {@link Request} class of the HttpFoundation
* component.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class HttpFoundationRequestHandler implements RequestHandlerInterface
{
private $serverParams;
public function __construct(ServerParams $serverParams = null)
{
$this->serverParams = $serverParams ?: new ServerParams();
}
/**
* {@inheritdoc}
*/
public function handleRequest(FormInterface $form, $request = null)
{
if (!$request instanceof Request) {
throw new UnexpectedTypeException($request, 'Symfony\Component\HttpFoundation\Request');
}
$name = $form->getName();
$method = $form->getConfig()->getMethod();
if ($method !== $request->getMethod()) {
return;
}
// For request methods that must not have a request body we fetch data
// from the query string. Otherwise we look for data in the request body.
if ('GET' === $method || 'HEAD' === $method || 'TRACE' === $method) {
if ('' === $name) {
$data = $request->query->all();
} else {
// Don't submit GET requests if the form's name does not exist
// in the request
if (!$request->query->has($name)) {
return;
}
$data = $request->query->get($name);
}
} else {
// Mark the form with an error if the uploaded size was too large
// This is done here and not in FormValidator because $_POST is
// empty when that error occurs. Hence the form is never submitted.
if ($this->serverParams->hasPostMaxSizeBeenExceeded()) {
// Submit the form, but don't clear the default values
$form->submit(null, false);
$form->addError(new FormError(
\call_user_func($form->getConfig()->getOption('upload_max_size_message')),
null,
array('{{ max }}' => $this->serverParams->getNormalizedIniPostMaxSize())
));
return;
}
if ('' === $name) {
$params = $request->request->all();
$files = $request->files->all();
} elseif ($request->request->has($name) || $request->files->has($name)) {
$default = $form->getConfig()->getCompound() ? array() : null;
$params = $request->request->get($name, $default);
$files = $request->files->get($name, $default);
} else {
// Don't submit the form if it is not present in the request
return;
}
if (\is_array($params) && \is_array($files)) {
$data = array_replace_recursive($params, $files);
} else {
$data = $params ?: $files;
}
}
// Don't auto-submit the form unless at least one field is present.
if ('' === $name && \count(array_intersect_key($data, $form->all())) <= 0) {
return;
}
$form->submit($data, 'PATCH' !== $method);
}
/**
* {@inheritdoc}
*/
public function isFileUpload($data)
{
return $data instanceof File;
}
}