WP_REST_Attachments_Controller::create_item_permissions_check( WP_REST_Request $request ): true|WP_Error

114	public function create_item_permissions_check( $request ) {115		$ret = parent::create_item_permissions_check( $request );116 117		if ( ! $ret || is_wp_error( $ret ) ) {118			return $ret;119		}120 121		if ( ! current_user_can( 'upload_files' ) ) {122			return new WP_Error(123				'rest_cannot_create',124				__( 'Sorry, you are not allowed to upload media on this site.' ),125				array( 'status' => 400 )126			);127		}128 129		// Attaching media to a post requires ability to edit said post.130		if ( ! empty( $request['post'] ) && ! current_user_can( 'edit_post', (int) $request['post'] ) ) {131			return new WP_Error(132				'rest_cannot_edit',133				__( 'Sorry, you are not allowed to upload media to this post.' ),134				array( 'status' => rest_authorization_required_code() )135			);136		}137 138		return true;139	}