WP_REST_Block_Renderer_Controller::get_item_permissions_check() WordPress Method

	public function get_item_permissions_check( $request ) {
		global $post;

		$post_id = isset( $request['post_id'] ) ? (int) $request['post_id'] : 0;

		if ( $post_id > 0 ) {
			$post = get_post( $post_id );

			if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) {
				return new WP_Error(
					'block_cannot_read',
					__( 'Sorry, you are not allowed to read blocks of this post.' ),
					array(
						'status' => rest_authorization_required_code(),
					)
				);
			}
		} else {
			if ( ! current_user_can( 'edit_posts' ) ) {
				return new WP_Error(
					'block_cannot_read',
					__( 'Sorry, you are not allowed to read blocks as this user.' ),
					array(
						'status' => rest_authorization_required_code(),
					)
				);
			}
		}

		return true;
	}