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| 1 | <?php |
| 2 | /** |
| 3 | * REST API Compatibility: bbPress & Jetpack |
| 4 | * Enables bbPress to work with the Jetpack REST API |
| 5 | * |
| 6 | * @package automattic/jetpack |
| 7 | */ |
| 8 | |
| 9 | /** |
| 10 | * REST API Compatibility: bbPress. |
| 11 | */ |
| 12 | class Jetpack_BbPress_REST_API { |
| 13 | |
| 14 | /** |
| 15 | * Singleton |
| 16 | * |
| 17 | * @var Jetpack_BbPress_REST_API |
| 18 | */ |
| 19 | private static $instance; |
| 20 | |
| 21 | /** |
| 22 | * Returns or creates the singleton. |
| 23 | * |
| 24 | * @return Jetpack_BbPress_REST_API |
| 25 | */ |
| 26 | public static function instance() { |
| 27 | if ( isset( self::$instance ) ) { |
| 28 | return self::$instance; |
| 29 | } |
| 30 | |
| 31 | self::$instance = new self(); |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Jetpack_BbPress_REST_API constructor. |
| 36 | */ |
| 37 | private function __construct() { |
| 38 | add_filter( 'rest_api_allowed_post_types', array( $this, 'allow_bbpress_post_types' ) ); |
| 39 | add_filter( 'bbp_map_meta_caps', array( $this, 'adjust_meta_caps' ), 10, 4 ); |
| 40 | add_filter( 'rest_api_allowed_public_metadata', array( $this, 'allow_bbpress_public_metadata' ) ); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Adds the bbPress post types to the rest_api_allowed_post_types filter. |
| 45 | * |
| 46 | * @param array $allowed_post_types Allowed post types. |
| 47 | * |
| 48 | * @return array |
| 49 | */ |
| 50 | public function allow_bbpress_post_types( $allowed_post_types ) { |
| 51 | $allowed_post_types[] = 'forum'; |
| 52 | $allowed_post_types[] = 'topic'; |
| 53 | $allowed_post_types[] = 'reply'; |
| 54 | return $allowed_post_types; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Adds the bbpress meta keys to the rest_api_allowed_public_metadata filter. |
| 59 | * |
| 60 | * @param array $allowed_meta_keys Allowed meta keys. |
| 61 | * |
| 62 | * @return array |
| 63 | */ |
| 64 | public function allow_bbpress_public_metadata( $allowed_meta_keys ) { |
| 65 | $allowed_meta_keys[] = '_bbp_forum_id'; |
| 66 | $allowed_meta_keys[] = '_bbp_topic_id'; |
| 67 | $allowed_meta_keys[] = '_bbp_status'; |
| 68 | $allowed_meta_keys[] = '_bbp_forum_type'; |
| 69 | $allowed_meta_keys[] = '_bbp_forum_subforum_count'; |
| 70 | $allowed_meta_keys[] = '_bbp_reply_count'; |
| 71 | $allowed_meta_keys[] = '_bbp_total_reply_count'; |
| 72 | $allowed_meta_keys[] = '_bbp_topic_count'; |
| 73 | $allowed_meta_keys[] = '_bbp_total_topic_count'; |
| 74 | $allowed_meta_keys[] = '_bbp_topic_count_hidden'; |
| 75 | $allowed_meta_keys[] = '_bbp_last_topic_id'; |
| 76 | $allowed_meta_keys[] = '_bbp_last_reply_id'; |
| 77 | $allowed_meta_keys[] = '_bbp_last_active_time'; |
| 78 | $allowed_meta_keys[] = '_bbp_last_active_id'; |
| 79 | $allowed_meta_keys[] = '_bbp_sticky_topics'; |
| 80 | $allowed_meta_keys[] = '_bbp_voice_count'; |
| 81 | $allowed_meta_keys[] = '_bbp_reply_count_hidden'; |
| 82 | $allowed_meta_keys[] = '_bbp_anonymous_reply_count'; |
| 83 | |
| 84 | return $allowed_meta_keys; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Adds the needed caps to the bbp_map_meta_caps filter. |
| 89 | * |
| 90 | * @param array $caps Capabilities for meta capability. |
| 91 | * @param string $cap Capability name. |
| 92 | * @param int $user_id User id. |
| 93 | * @param array $args Arguments. |
| 94 | * |
| 95 | * @return array |
| 96 | */ |
| 97 | public function adjust_meta_caps( $caps, $cap, $user_id, $args ) { |
| 98 | |
| 99 | // Return early if not a REST request or if not meta bbPress caps. |
| 100 | if ( $this->should_adjust_meta_caps_return_early( $caps, $cap, $user_id, $args ) ) { |
| 101 | return $caps; |
| 102 | } |
| 103 | |
| 104 | // $args[0] could be a post ID or a post_type string. |
| 105 | if ( is_int( $args[0] ) ) { |
| 106 | $_post = get_post( $args[0] ); |
| 107 | if ( ! empty( $_post ) ) { |
| 108 | $post_type = get_post_type_object( $_post->post_type ); |
| 109 | } |
| 110 | } elseif ( is_string( $args[0] ) ) { |
| 111 | $post_type = get_post_type_object( $args[0] ); |
| 112 | } |
| 113 | |
| 114 | // no post type found, bail. |
| 115 | if ( empty( $post_type ) ) { |
| 116 | return $caps; |
| 117 | } |
| 118 | |
| 119 | // reset the needed caps. |
| 120 | $caps = array(); |
| 121 | |
| 122 | // Add 'do_not_allow' cap if user is spam or deleted. |
| 123 | if ( bbp_is_user_inactive( $user_id ) ) { |
| 124 | $caps[] = 'do_not_allow'; |
| 125 | |
| 126 | // Moderators can always edit meta. |
| 127 | } elseif ( user_can( $user_id, 'moderate' ) ) { // phpcs:ignore WordPress.WP.Capabilities.Unknown |
| 128 | $caps[] = 'moderate'; |
| 129 | |
| 130 | // Unknown so map to edit_posts. |
| 131 | } else { |
| 132 | $caps[] = $post_type->cap->edit_posts; |
| 133 | } |
| 134 | |
| 135 | return $caps; |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Should adjust_meta_caps return early? |
| 140 | * |
| 141 | * @param array $caps Capabilities for meta capability. |
| 142 | * @param string $cap Capability name. |
| 143 | * @param int $user_id User id. |
| 144 | * @param array $args Arguments. |
| 145 | * |
| 146 | * @return bool |
| 147 | */ |
| 148 | private function should_adjust_meta_caps_return_early( $caps, $cap, $user_id, $args ) { |
| 149 | // only run for REST API requests. |
| 150 | if ( ! defined( 'REST_API_REQUEST' ) || ! REST_API_REQUEST ) { |
| 151 | return true; |
| 152 | } |
| 153 | |
| 154 | // only modify caps for meta caps and for bbPress meta keys. |
| 155 | if ( ! in_array( $cap, array( 'edit_post_meta', 'delete_post_meta', 'add_post_meta' ), true ) || empty( $args[1] ) || ! str_contains( $args[1], '_bbp_' ) ) { |
| 156 | return true; |
| 157 | } |
| 158 | |
| 159 | return false; |
| 160 | } |
| 161 | } |