vendor/symfony/form/Extension/HttpFoundation/HttpFoundationRequestHandler.php line 110

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  1. <?php
  3. /*
  4. * This file is part of the Symfony package.
  5. *
  6. * (c) Fabien Potencier <[email protected]>
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace Symfony\Component\Form\Extension\HttpFoundation;
  14. use Symfony\Component\Form\Exception\UnexpectedTypeException;
  15. use Symfony\Component\Form\FormError;
  16. use Symfony\Component\Form\FormInterface;
  17. use Symfony\Component\Form\RequestHandlerInterface;
  18. use Symfony\Component\Form\Util\FormUtil;
  19. use Symfony\Component\Form\Util\ServerParams;
  20. use Symfony\Component\HttpFoundation\File\File;
  21. use Symfony\Component\HttpFoundation\File\UploadedFile;
  22. use Symfony\Component\HttpFoundation\Request;
  24. /**
  25. * A request processor using the {@link Request} class of the HttpFoundation
  26. * component.
  27. *
  28. * @author Bernhard Schussek <[email protected]>
  29. */
  30. class HttpFoundationRequestHandler implements RequestHandlerInterface
  31. {
  32. private $serverParams;
  34. public function __construct(?ServerParams $serverParams = null)
  35. {
  36. $this->serverParams = $serverParams ?? new ServerParams();
  37. }
  39. /**
  40. * {@inheritdoc}
  41. */
  42. public function handleRequest(FormInterface $form, $request = null)
  43. {
  44. if (!$request instanceof Request) {
  45. throw new UnexpectedTypeException($request, 'Symfony\Component\HttpFoundation\Request');
  46. }
  48. $name = $form->getName();
  49. $method = $form->getConfig()->getMethod();
  51. if ($method !== $request->getMethod()) {
  52. return;
  53. }
  55. // For request methods that must not have a request body we fetch data
  56. // from the query string. Otherwise we look for data in the request body.
  57. if ('GET' === $method || 'HEAD' === $method || 'TRACE' === $method) {
  58. if ('' === $name) {
  59. $data = $request->query->all();
  60. } else {
  61. // Don't submit GET requests if the form's name does not exist
  62. // in the request
  63. if (!$request->query->has($name)) {
  64. return;
  65. }
  67. $data = $request->query->all()[$name];
  68. }
  69. } else {
  70. // Mark the form with an error if the uploaded size was too large
  71. // This is done here and not in FormValidator because $_POST is
  72. // empty when that error occurs. Hence the form is never submitted.
  73. if ($this->serverParams->hasPostMaxSizeBeenExceeded()) {
  74. // Submit the form, but don't clear the default values
  75. $form->submit(null, false);
  77. $form->addError(new FormError(
  78. $form->getConfig()->getOption('upload_max_size_message')(),
  79. null,
  80. ['{{ max }}' => $this->serverParams->getNormalizedIniPostMaxSize()]
  81. ));
  83. return;
  84. }
  86. if ('' === $name) {
  87. $params = $request->request->all();
  88. $files = $request->files->all();
  89. } elseif ($request->request->has($name) || $request->files->has($name)) {
  90. $default = $form->getConfig()->getCompound() ? [] : null;
  91. $params = $request->request->all()[$name] ?? $default;
  92. $files = $request->files->get($name, $default);
  93. } else {
  94. // Don't submit the form if it is not present in the request
  95. return;
  96. }
  98. if (\is_array($params) && \is_array($files)) {
  99. $data = FormUtil::mergeParamsAndFiles($params, $files);
  100. } else {
  101. $data = $params ?: $files;
  102. }
  103. }
  105. // Don't auto-submit the form unless at least one field is present.
  106. if ('' === $name && \count(array_intersect_key($data, $form->all())) <= 0) {
  107. return;
  108. }
  110. $form->submit($data, 'PATCH' !== $method);
  111. }
  113. /**
  114. * {@inheritdoc}
  115. */
  116. public function isFileUpload($data)
  117. {
  118. return $data instanceof File;
  119. }
  121. /**
  122. * @return int|null
  123. */
  124. public function getUploadFileError($data)
  125. {
  126. if (!$data instanceof UploadedFile || $data->isValid()) {
  127. return null;
  128. }
  130. return $data->getError();
  131. }
  132. }