RedirectResponse.php 2.6 KB

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  1. <?php
  2. /*
  3. * This file is part of the Symfony package.
  4. *
  5. * (c) Fabien Potencier <fabien@symfony.com>
  6. *
  7. * For the full copyright and license information, please view the LICENSE
  8. * file that was distributed with this source code.
  9. */
  10. namespace Symfony\Component\HttpFoundation;
  11. /**
  12. * RedirectResponse represents an HTTP response doing a redirect.
  13. *
  14. * @author Fabien Potencier <fabien@symfony.com>
  15. */
  16. class RedirectResponse extends Response
  17. {
  18. protected $targetUrl;
  19. /**
  20. * Creates a redirect response so that it conforms to the rules defined for a redirect status code.
  21. *
  22. * @param string $url The URL to redirect to. The URL should be a full URL, with schema etc.,
  23. * but practically every browser redirects on paths only as well
  24. * @param int $status The status code (302 by default)
  25. * @param array $headers The headers (Location is always set to the given URL)
  26. *
  27. * @throws \InvalidArgumentException
  28. *
  29. * @see http://tools.ietf.org/html/rfc2616#section-10.3
  30. */
  31. public function __construct($url, $status = 302, $headers = array())
  32. {
  33. parent::__construct('', $status, $headers);
  34. $this->setTargetUrl($url);
  35. if (!$this->isRedirect()) {
  36. throw new \InvalidArgumentException(sprintf('The HTTP status code is not a redirect ("%s" given).', $status));
  37. }
  38. }
  39. /**
  40. * {@inheritdoc}
  41. */
  42. public static function create($url = '', $status = 302, $headers = array())
  43. {
  44. return new static($url, $status, $headers);
  45. }
  46. /**
  47. * Returns the target URL.
  48. *
  49. * @return string target URL
  50. */
  51. public function getTargetUrl()
  52. {
  53. return $this->targetUrl;
  54. }
  55. /**
  56. * Sets the redirect target of this response.
  57. *
  58. * @param string $url The URL to redirect to
  59. *
  60. * @return RedirectResponse The current response.
  61. *
  62. * @throws \InvalidArgumentException
  63. */
  64. public function setTargetUrl($url)
  65. {
  66. if (empty($url)) {
  67. throw new \InvalidArgumentException('Cannot redirect to an empty URL.');
  68. }
  69. $this->targetUrl = $url;
  70. $this->setContent(
  71. sprintf('<!DOCTYPE html>
  72. <html>
  73. <head>
  74. <meta charset="UTF-8" />
  75. <meta http-equiv="refresh" content="1;url=%1$s" />
  76. <title>Redirecting to %1$s</title>
  77. </head>
  78. <body>
  79. Redirecting to <a href="%1$s">%1$s</a>.
  80. </body>
  81. </html>', htmlspecialchars($url, ENT_QUOTES, 'UTF-8')));
  82. $this->headers->set('Location', $url);
  83. return $this;
  84. }
  85. }