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| 1 | <?php |
| 2 | /** |
| 3 | * Capabilities REST bridge — proxies WPCOM's site rewind state. |
| 4 | * |
| 5 | * @package automattic/jetpack-backup-plugin |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Backup\V0005\REST; |
| 9 | |
| 10 | use Automattic\Jetpack\Connection\Client; |
| 11 | use WP_Error; |
| 12 | use WP_REST_Server; |
| 13 | |
| 14 | if ( ! defined( 'ABSPATH' ) ) { |
| 15 | exit( 0 ); |
| 16 | } |
| 17 | |
| 18 | /** |
| 19 | * Returns the site's backup capabilities (plan slug, hasBackupPlan, |
| 20 | * hasScan). Backs the `<Gates>` decision tree. |
| 21 | */ |
| 22 | class Capabilities_Bridge { |
| 23 | |
| 24 | /** |
| 25 | * Register the GET /jetpack/v4/site/capabilities route. |
| 26 | * |
| 27 | * @return void |
| 28 | */ |
| 29 | public static function register_routes() { |
| 30 | register_rest_route( |
| 31 | 'jetpack/v4', |
| 32 | '/site/capabilities', |
| 33 | array( |
| 34 | 'methods' => WP_REST_Server::READABLE, |
| 35 | 'callback' => array( __CLASS__, 'get_capabilities' ), |
| 36 | 'permission_callback' => array( Rest_Controller::class, 'permission_check' ), |
| 37 | ) |
| 38 | ); |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * Proxy `/sites/{id}/rewind/capabilities` (v2, as_user) and project |
| 43 | * the response into the shape the React layer expects. |
| 44 | * |
| 45 | * This is the same endpoint the legacy `/jetpack/v4/backup-capabilities` |
| 46 | * route hits — it returns a flat `{ capabilities: [...] }` envelope. |
| 47 | * The earlier `/rewind?force=wpcom` variant returns site *state*, not |
| 48 | * a capabilities list, and on some plan shapes (e.g. Jetpack Complete) |
| 49 | * the `capabilities` key is missing entirely, which produced a false |
| 50 | * "no plan" gate for plans that do include Backup. |
| 51 | * |
| 52 | * @return \WP_REST_Response|WP_Error The decoded capabilities, or WP_Error on failure. |
| 53 | */ |
| 54 | public static function get_capabilities() { |
| 55 | $blog_id = Rest_Controller::get_blog_id_or_error(); |
| 56 | if ( is_wp_error( $blog_id ) ) { |
| 57 | return $blog_id; |
| 58 | } |
| 59 | |
| 60 | $response = Client::wpcom_json_api_request_as_user( |
| 61 | sprintf( '/sites/%d/rewind/capabilities', $blog_id ), |
| 62 | 'v2', |
| 63 | array(), |
| 64 | null, |
| 65 | 'wpcom' |
| 66 | ); |
| 67 | |
| 68 | if ( is_wp_error( $response ) ) { |
| 69 | return $response; |
| 70 | } |
| 71 | |
| 72 | $status_code = wp_remote_retrieve_response_code( $response ); |
| 73 | if ( 200 !== $status_code ) { |
| 74 | return new WP_Error( |
| 75 | 'capabilities_fetch_failed', |
| 76 | __( 'Could not fetch site capabilities.', 'jetpack-backup-pkg' ), |
| 77 | array( 'status' => is_int( $status_code ) && $status_code > 0 ? $status_code : 500 ) |
| 78 | ); |
| 79 | } |
| 80 | |
| 81 | $body = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 82 | if ( ! is_array( $body ) ) { |
| 83 | $body = array(); |
| 84 | } |
| 85 | |
| 86 | $capabilities = isset( $body['capabilities'] ) && is_array( $body['capabilities'] ) |
| 87 | ? $body['capabilities'] |
| 88 | : array(); |
| 89 | |
| 90 | return rest_ensure_response( |
| 91 | array( |
| 92 | 'hasBackupPlan' => in_array( 'backup', $capabilities, true ), |
| 93 | 'hasScan' => in_array( 'scan', $capabilities, true ), |
| 94 | ) |
| 95 | ); |
| 96 | } |
| 97 | } |