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<?php
/**
* REST API: WP_REST_Edit_Site_Export_Controller class
*
* @package WordPress
* @subpackage REST_API
*/
/**
* Controller which provides REST endpoint for exporting current templates
* and template parts.
*
* @since 5.9.0
*
* @see WP_REST_Controller
*/
class WP_REST_Edit_Site_Export_Controller extends WP_REST_Controller {
/**
* Constructor.
*
* @since 5.9.0
*/
public function __construct() {
$this->namespace = 'wp-block-editor/v1';
$this->rest_base = 'export';
}
/**
* Registers the site export route.
*
* @since 5.9.0
*/
public function register_routes() {
register_rest_route(
$this->namespace,
'/' . $this->rest_base,
array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'export' ),
'permission_callback' => array( $this, 'permissions_check' ),
),
)
);
}
/**
* Checks whether a given request has permission to export.
*
* @since 5.9.0
*
* @return WP_Error|true True if the request has access, or WP_Error object.
*/
public function permissions_check() {
if ( current_user_can( 'edit_theme_options' ) ) {
return true;
}
return new WP_Error(
'rest_cannot_export_templates',
__( 'Sorry, you are not allowed to export templates and template parts.' ),
array( 'status' => rest_authorization_required_code() )
);
}
/**
* Output a ZIP file with an export of the current templates
* and template parts from the site editor, and close the connection.
*
* @since 5.9.0
*
* @return WP_Error|void
*/
public function export() {
// Generate the export file.
$filename = wp_generate_block_templates_export_file();
if ( is_wp_error( $filename ) ) {
$filename->add_data( array( 'status' => 500 ) );
return $filename;
}
$theme_name = basename( get_stylesheet() );
header( 'Content-Type: application/zip' );
header( 'Content-Disposition: attachment; filename=' . $theme_name . '.zip' );
header( 'Content-Length: ' . filesize( $filename ) );
flush();
readfile( $filename );
unlink( $filename );
exit;
}
}
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