redirecturl.php 2.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990
  1. <?php
  2. /**
  3. * StatusNet - the distributed open-source microblogging tool
  4. * Copyright (C) 2010, StatusNet, Inc.
  5. *
  6. * Redirect to the given URL
  7. *
  8. * PHP version 5
  9. *
  10. * This program is free software: you can redistribute it and/or modify
  11. * it under the terms of the GNU Affero General Public License as published by
  12. * the Free Software Foundation, either version 3 of the License, or
  13. * (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU Affero General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU Affero General Public License
  21. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  22. *
  23. * @category URL
  24. * @package StatusNet
  25. * @author Evan Prodromou <evan@status.net>
  26. * @copyright 2010 StatusNet, Inc.
  27. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  28. * @link http://status.net/
  29. */
  30. if (!defined('GNUSOCIAL')) { exit(1); }
  31. /**
  32. * Redirect to a given URL
  33. *
  34. * This is our internal low-budget URL-shortener
  35. *
  36. * @category Action
  37. * @package StatusNet
  38. * @author Evan Prodromou <evan@status.net>
  39. * @copyright 2010 StatusNet, Inc.
  40. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  41. * @link http://status.net/
  42. */
  43. class RedirecturlAction extends ManagedAction
  44. {
  45. protected $file = null;
  46. protected function doPreparation()
  47. {
  48. $this->file = File::getByID($this->int('id'));
  49. return true;
  50. }
  51. public function showPage()
  52. {
  53. common_redirect($this->file->getUrl(false), 301);
  54. }
  55. function isReadOnly($args)
  56. {
  57. return true;
  58. }
  59. function lastModified()
  60. {
  61. // For comparison with If-Last-Modified
  62. // If not applicable, return null
  63. return strtotime($this->file->modified);
  64. }
  65. /**
  66. * Return etag, if applicable.
  67. *
  68. * MAY override
  69. *
  70. * @return string etag http header
  71. */
  72. function etag()
  73. {
  74. return 'W/"' . implode(':', array($this->getActionName(),
  75. common_user_cache_hash(),
  76. common_language(),
  77. $this->file->getID())) . '"';
  78. }
  79. }