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Filename :
NativeRequestHandler.php
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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; use Symfony\Component\Form\Exception\UnexpectedTypeException; /** * A request handler using PHP's super globals $_GET, $_POST and $_SERVER. * * @author Bernhard Schussek <bschussek@gmail.com> */ class NativeRequestHandler implements RequestHandlerInterface { /** * The allowed keys of the $_FILES array. * * @var array */ private static $fileKeys = array( 'error', 'name', 'size', 'tmp_name', 'type', ); /** * {@inheritdoc} */ public function handleRequest(FormInterface $form, $request = null) { if (null !== $request) { throw new UnexpectedTypeException($request, 'null'); } $name = $form->getName(); $method = $form->getConfig()->getMethod(); if ($method !== self::getRequestMethod()) { return; } if ('GET' === $method) { if ('' === $name) { $data = $_GET; } else { // Don't submit GET requests if the form's name does not exist // in the request if (!isset($_GET[$name])) { return; } $data = $_GET[$name]; } } else { $fixedFiles = array(); foreach ($_FILES as $name => $file) { $fixedFiles[$name] = self::stripEmptyFiles(self::fixPhpFilesArray($file)); } if ('' === $name) { $params = $_POST; $files = $fixedFiles; } elseif (array_key_exists($name, $_POST) || array_key_exists($name, $fixedFiles)) { $default = $form->getConfig()->getCompound() ? array() : null; $params = array_key_exists($name, $_POST) ? $_POST[$name] : $default; $files = array_key_exists($name, $fixedFiles) ? $fixedFiles[$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); } /** * Returns the method used to submit the request to the server. * * @return string The request method. */ private static function getRequestMethod() { $method = isset($_SERVER['REQUEST_METHOD']) ? strtoupper($_SERVER['REQUEST_METHOD']) : 'GET'; if ('POST' === $method && isset($_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE'])) { $method = strtoupper($_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE']); } return $method; } /** * Fixes a malformed PHP $_FILES array. * * PHP has a bug that the format of the $_FILES array differs, depending on * whether the uploaded file fields had normal field names or array-like * field names ("normal" vs. "parent[child]"). * * This method fixes the array to look like the "normal" $_FILES array. * * It's safe to pass an already converted array, in which case this method * just returns the original array unmodified. * * This method is identical to {@link Symfony\Component\HttpFoundation\FileBag::fixPhpFilesArray} * and should be kept as such in order to port fixes quickly and easily. * * @param array $data * * @return array */ private static function fixPhpFilesArray($data) { if (!is_array($data)) { return $data; } $keys = array_keys($data); sort($keys); if (self::$fileKeys !== $keys || !isset($data['name']) || !is_array($data['name'])) { return $data; } $files = $data; foreach (self::$fileKeys as $k) { unset($files[$k]); } foreach (array_keys($data['name']) as $key) { $files[$key] = self::fixPhpFilesArray(array( 'error' => $data['error'][$key], 'name' => $data['name'][$key], 'type' => $data['type'][$key], 'tmp_name' => $data['tmp_name'][$key], 'size' => $data['size'][$key] )); } return $files; } /** * Sets empty uploaded files to NULL in the given uploaded files array. * * @param mixed $data The file upload data. * * @return array|null Returns the stripped upload data. */ private static function stripEmptyFiles($data) { if (!is_array($data)) { return $data; } $keys = array_keys($data); sort($keys); if (self::$fileKeys === $keys) { if (UPLOAD_ERR_NO_FILE === $data['error']) { return null; } return $data; } foreach ($data as $key => $value) { $data[$key] = self::stripEmptyFiles($value); } return $data; } }