Automattic / jetpack

		);

		add_filter( 'jetpack_supported_media_sideload_types', $mime_type_static_filter );

		if (

			! self::is_file_supported_for_sideloading( $tmp_filename ) &&

			! file_is_displayable_image( $tmp_filename )

		) {

			@unlink( $tmp_filename );

			return new WP_Error( 'invalid_input', 'Invalid file type.', 403 );

		}

		remove_filter( 'jetpack_supported_media_sideload_types', $mime_type_static_filter );

		// generate a new file name

		// First check to see if we get a mime-type match by file, otherwise, check to

		// see if WordPress supports this file as an image. If neither, then it is not supported.

		if ( ! $this->is_file_supported_for_sideloading( $tmp ) || 'image' === $type && ! file_is_displayable_image( $tmp ) ) {

			@unlink( $tmp );

			return new WP_Error( 'invalid_input', 'Invalid file type.', 403 );

		}

		// emulate a $_FILES entry

		$file_array = array(