Activitypub_create.php 2.9 KB

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  1. <?php
  2. /**
  3. * GNU social - a federating social network
  4. *
  5. * ActivityPubPlugin implementation for GNU Social
  6. *
  7. * LICENCE: This program is free software: you can redistribute it and/or modify
  8. * it under the terms of the GNU Affero General Public License as published by
  9. * the Free Software Foundation, either version 3 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU Affero General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Affero General Public License
  18. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  19. *
  20. * @category Plugin
  21. * @package GNUsocial
  22. * @author Diogo Cordeiro <diogo@fc.up.pt>
  23. * @copyright 2018 Free Software Foundation http://fsf.org
  24. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  25. * @link https://www.gnu.org/software/social/
  26. */
  27. if (!defined('GNUSOCIAL')) {
  28. exit(1);
  29. }
  30. /**
  31. * ActivityPub error representation
  32. *
  33. * @category Plugin
  34. * @package GNUsocial
  35. * @author Diogo Cordeiro <diogo@fc.up.pt>
  36. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  37. * @link http://www.gnu.org/software/social/
  38. */
  39. class Activitypub_create extends Managed_DataObject
  40. {
  41. /**
  42. * Generates an ActivityPub representation of a Create
  43. *
  44. * @author Diogo Cordeiro <diogo@fc.up.pt>
  45. * @param string $actor
  46. * @param array $object
  47. * @return pretty array to be used in a response
  48. */
  49. public static function create_to_array($actor, $object)
  50. {
  51. $res = [
  52. '@context' => 'https://www.w3.org/ns/activitystreams',
  53. 'id' => $object['id'].'/create',
  54. 'type' => 'Create',
  55. 'to' => $object['to'],
  56. 'cc' => $object['cc'],
  57. 'actor' => $actor,
  58. 'object' => $object
  59. ];
  60. return $res;
  61. }
  62. /**
  63. * Verifies if a given object is acceptable for a Create Activity.
  64. *
  65. * @author Diogo Cordeiro <diogo@fc.up.pt>
  66. * @param Array $object
  67. * @throws Exception
  68. */
  69. public static function validate_object($object)
  70. {
  71. if (!is_array($object)) {
  72. throw new Exception('Invalid Object Format for Create Activity.');
  73. }
  74. if (!isset($object['type'])) {
  75. throw new Exception('Object type was not specified for Create Activity.');
  76. }
  77. switch ($object['type']) {
  78. case 'Note':
  79. // Validate data
  80. Activitypub_notice::validate_note($object);
  81. break;
  82. default:
  83. throw new Exception('This is not a supported Object Type for Create Activity.');
  84. }
  85. }
  86. }