unsubscribe.php 3.6 KB

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  1. <?php
  2. /**
  3. * Unsubscribe handler
  4. *
  5. * PHP version 5
  6. *
  7. * @category Action
  8. * @package StatusNet
  9. * @author Evan Prodromou <evan@status.net>
  10. * @author Robin Millette <millette@status.net>
  11. * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
  12. * @link http://status.net/
  13. *
  14. * StatusNet - the distributed open-source microblogging tool
  15. * Copyright (C) 2008, 2009, StatusNet, Inc.
  16. *
  17. * This program is free software: you can redistribute it and/or modify
  18. * it under the terms of the GNU Affero General Public License as published by
  19. * the Free Software Foundation, either version 3 of the License, or
  20. * (at your option) any later version.
  21. *
  22. * This program is distributed in the hope that it will be useful,
  23. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  25. * GNU Affero General Public License for more details.
  26. *
  27. * You should have received a copy of the GNU Affero General Public License
  28. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  29. */
  30. if (!defined('STATUSNET') && !defined('LACONICA')) {
  31. exit(1);
  32. }
  33. /**
  34. * Unsubscribe handler
  35. *
  36. * @category Action
  37. * @package StatusNet
  38. * @author Evan Prodromou <evan@status.net>
  39. * @author Robin Millette <millette@status.net>
  40. * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
  41. * @link http://status.net/
  42. */
  43. class UnsubscribeAction extends Action
  44. {
  45. function handle($args)
  46. {
  47. parent::handle($args);
  48. if (!common_logged_in()) {
  49. // TRANS: Error message displayed when trying to perform an action that requires a logged in user.
  50. $this->clientError(_('Not logged in.'));
  51. }
  52. if ($_SERVER['REQUEST_METHOD'] != 'POST') {
  53. common_redirect(common_local_url('subscriptions',
  54. array('nickname' => $this->scoped->nickname)));
  55. }
  56. /* Use a session token for CSRF protection. */
  57. $token = $this->trimmed('token');
  58. if (!$token || $token != common_session_token()) {
  59. // TRANS: Client error displayed when the session token does not match or is not given.
  60. $this->clientError(_('There was a problem with your session token. ' .
  61. 'Try again, please.'));
  62. }
  63. $other_id = $this->arg('unsubscribeto');
  64. if (!$other_id) {
  65. // TRANS: Client error displayed when trying to unsubscribe without providing a profile ID.
  66. $this->clientError(_('No profile ID in request.'));
  67. }
  68. $other = Profile::getKV('id', $other_id);
  69. if (!($other instanceof Profile)) {
  70. // TRANS: Client error displayed when trying to unsubscribe while providing a non-existing profile ID.
  71. $this->clientError(_('No profile with that ID.'));
  72. }
  73. try {
  74. Subscription::cancel($this->scoped, $other);
  75. } catch (Exception $e) {
  76. $this->clientError($e->getMessage());
  77. }
  78. if ($this->boolean('ajax')) {
  79. $this->startHTML('text/xml;charset=utf-8');
  80. $this->elementStart('head');
  81. // TRANS: Page title for page to unsubscribe.
  82. $this->element('title', null, _('Unsubscribed'));
  83. $this->elementEnd('head');
  84. $this->elementStart('body');
  85. $subscribe = new SubscribeForm($this, $other);
  86. $subscribe->show();
  87. $this->elementEnd('body');
  88. $this->endHTML();
  89. } else {
  90. common_redirect(common_local_url('subscriptions', array('nickname' => $this->scoped->nickname)), 303);
  91. }
  92. }
  93. }