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| 1 | <?php |
| 2 | /** |
| 3 | * Retention REST bridge — changes how many days of backups WordPress.com keeps. |
| 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_Request; |
| 13 | use WP_REST_Server; |
| 14 | |
| 15 | if ( ! defined( 'ABSPATH' ) ) { |
| 16 | exit( 0 ); |
| 17 | } |
| 18 | |
| 19 | /** |
| 20 | * Writes the retention period. The read is `retention_days` on the legacy `/site/backup/size`. |
| 21 | */ |
| 22 | class Retention_Bridge { |
| 23 | |
| 24 | /** |
| 25 | * The periods Jetpack Cloud offers. WordPress.com also accepts 2, which only its own downgrade sets. |
| 26 | * |
| 27 | * @var int[] |
| 28 | */ |
| 29 | const RETENTION_DAYS = array( 7, 30, 120, 365 ); |
| 30 | |
| 31 | /** |
| 32 | * Register the POST /jetpack/v4/site/backup/retention route. |
| 33 | * |
| 34 | * @return void |
| 35 | */ |
| 36 | public static function register_routes() { |
| 37 | register_rest_route( |
| 38 | 'jetpack/v4', |
| 39 | '/site/backup/retention', |
| 40 | array( |
| 41 | 'methods' => WP_REST_Server::CREATABLE, |
| 42 | 'callback' => array( __CLASS__, 'update_retention' ), |
| 43 | 'permission_callback' => array( Rest_Controller::class, 'permission_check' ), |
| 44 | 'args' => array( |
| 45 | 'retention_days' => array( |
| 46 | 'description' => __( 'Days of backups to keep.', 'jetpack-backup-pkg' ), |
| 47 | 'type' => 'integer', |
| 48 | 'required' => true, |
| 49 | 'enum' => self::RETENTION_DAYS, |
| 50 | ), |
| 51 | ), |
| 52 | ) |
| 53 | ); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Proxy `POST /sites/{id}/backup/retention/update` (v2). It refuses blog tokens, so this signs as the user. |
| 58 | * |
| 59 | * @param WP_REST_Request $request The request. |
| 60 | * @return \WP_REST_Response|WP_Error The new retention, or WP_Error on failure. |
| 61 | */ |
| 62 | public static function update_retention( WP_REST_Request $request ) { |
| 63 | $blog_id = Rest_Controller::get_blog_id_or_error(); |
| 64 | if ( is_wp_error( $blog_id ) ) { |
| 65 | return $blog_id; |
| 66 | } |
| 67 | |
| 68 | $days = (int) $request->get_param( 'retention_days' ); |
| 69 | |
| 70 | $response = Client::wpcom_json_api_request_as_user( |
| 71 | sprintf( '/sites/%d/backup/retention/update', $blog_id ), |
| 72 | 'v2', |
| 73 | array( 'method' => 'POST' ), |
| 74 | array( 'retention_days' => $days ), |
| 75 | 'wpcom' |
| 76 | ); |
| 77 | |
| 78 | if ( is_wp_error( $response ) ) { |
| 79 | return Rest_Controller::transport_error( $response, 'retention_update_failed' ); |
| 80 | } |
| 81 | |
| 82 | $message = __( 'Could not change how long backups are kept.', 'jetpack-backup-pkg' ); |
| 83 | |
| 84 | if ( 200 !== (int) wp_remote_retrieve_response_code( $response ) ) { |
| 85 | return Rest_Controller::upstream_error( $response, 'retention_update_failed', $message ); |
| 86 | } |
| 87 | |
| 88 | $decoded = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 89 | |
| 90 | // A VaultPress refusal arrives as a 200 with `success: false`. |
| 91 | if ( ! is_array( $decoded ) || empty( $decoded['success'] ) ) { |
| 92 | $data = array( 'status' => 500 ); |
| 93 | $reason = Rest_Controller::upstream_reason( is_array( $decoded ) ? $decoded : array() ); |
| 94 | if ( ! empty( $reason ) ) { |
| 95 | $data['wpcom'] = $reason; |
| 96 | } |
| 97 | |
| 98 | return new WP_Error( 'retention_update_failed', $message, $data ); |
| 99 | } |
| 100 | |
| 101 | return rest_ensure_response( |
| 102 | array( |
| 103 | 'ok' => true, |
| 104 | 'retention_days' => $days, |
| 105 | ) |
| 106 | ); |
| 107 | } |
| 108 | } |