<?php

/**

 * Upgrade API: File_Upload_Upgrader class

 *

 * @package WordPress

 * @subpackage Upgrader

 * @since 4.6.0

 */

/**

 * Core class used for handling file uploads.

 *

 * This class handles the upload process and passes it as if it's a local file

 * to the Upgrade/Installer functions.

 *

 * @since 2.8.0

 * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.

 */

class File_Upload_Upgrader {

	/**

	 * The full path to the file package.

	 *

	 * @since 2.8.0

	 * @var string $package

	 */

	public $package;

	/**

	 * The name of the file.

	 *

	 * @since 2.8.0

	 * @var string $filename

	 */

	public $filename;

	/**

	 * The ID of the attachment post for this file.

	 *

	 * @since 3.3.0

	 * @var int $id

	 */

	public $id = 0;

	/**

	 * Construct the upgrader for a form.

	 *

	 * @since 2.8.0

	 *

	 * @param string $form      The name of the form the file was uploaded from.

	 * @param string $urlholder The name of the `GET` parameter that holds the filename.

	 */

	public function __construct( $form, $urlholder ) {

		//Handle a newly uploaded file, Else assume it's already been uploaded

				wp_die( $file['error'] );

			// Construct the object array

			$object = array(

				'post_mime_type' => $file['type'],

			);

			// Save the data.

			$this->id = wp_insert_attachment( $object, $file['file'] );

			// Schedule a cleanup for 2 hours from now in case of failed installation.

			wp_schedule_single_event( time() + 2 * HOUR_IN_SECONDS, 'upgrader_scheduled_cleanup', array( $this->id ) );

			// Numeric Package = previously uploaded file, see above.

			$attachment = get_post( $this->id );

			$this->filename = $attachment->post_title;

		} else {

			// Else, It's set to something, Back compat for plugins using the old (pre-3.3) File_Uploader handler.

				wp_die( $uploads['error'] );

			$this->filename = sanitize_file_name( $_GET[ $urlholder ] );

			if ( 0 !== strpos( realpath( $this->package ), realpath( $uploads['basedir'] ) ) ) {

				wp_die( __( 'Please select a file' ) );

			}

		}

	}

	/**

	 * Delete the attachment/uploaded file.

	 *

	 * @since 3.2.2

	 *

	 * @return bool Whether the cleanup was successful.

	 */

	public function cleanup() {

			wp_delete_attachment( $this->id );

			return @unlink( $this->package );

		return true;

	}

}