<?php
/**
 * Credits
 *
 * Plugin-Name: BackUpWordPress
 * Plugin URI: http://bwp.hmn.md/
 * Author: Human Made Limited
 * Author URI: http://hmn.md/
 * License: GPL-2+
 * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 *
 * The code is used for the MainWP BackUpWordPress Extension
 * Extension URL: https://mainwp.com/extension/backupwordpress/
 */

// phpcs:disable PSR1.Classes.ClassDeclaration -- use external code.

class MainWP_Child_Back_Up_WordPress {
	public static $instance     = null;
	public $is_plugin_installed = false;

	public static function instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	public function __construct() {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';
		if ( is_plugin_active( 'backupwordpress/backupwordpress.php' ) ) {
			$this->is_plugin_installed = true;
			if ( version_compare( phpversion(), '5.3', '>=' ) ) {
				add_filter( 'mainwp_site_sync_others_data', array( $this, 'sync_others_data' ), 10, 2 );
			}
		}
	}

	public function init() {
		if ( version_compare( phpversion(), '5.3', '<' ) ) {
			return;
		}

		if ( ! $this->is_plugin_installed ) {
			return;
		}

		add_action( 'mainwp_child_site_stats', array( $this, 'do_site_stats' ) );

		if ( 'hide' === get_option( 'mainwp_backupwordpress_hide_plugin' ) ) {
			add_filter( 'all_plugins', array( $this, 'all_plugins' ) );
			add_action( 'admin_menu', array( $this, 'remove_menu' ) );
			add_filter( 'site_transient_update_plugins', array( &$this, 'remove_update_nag' ) );
			add_filter( 'mainwp_child_hide_update_notice', array( &$this, 'hide_update_notice' ) );
		}
	}

	public function hide_update_notice( $slugs ) {
		$slugs[] = 'backupwordpress/backupwordpress.php';
		return $slugs;
	}

	public function remove_update_nag( $value ) {
		if ( isset( $_POST['mainwpsignature'] ) ) {
			return $value;
		}

		if ( ! MainWP_Helper::is_screen_with_update() ) {
			return $value;
		}
		if ( isset( $value->response['backupwordpress/backupwordpress.php'] ) ) {
			unset( $value->response['backupwordpress/backupwordpress.php'] );
		}

		return $value;
	}

	public function action() {
		$information = array();
		if ( ! self::is_activated() ) {
			$information['error'] = 'NO_BACKUPWORDPRESS';
			mainwp_child_helper()->write( $information );
		}

		if ( isset( $_POST['mwp_action'] ) ) {
			switch ( $_POST['mwp_action'] ) {
				case 'set_showhide':
					$information = $this->set_showhide();
					break;
				case 'delete_schedule':
					$information = $this->delete_schedule();
					break;
				case 'cancel_schedule':
					$information = $this->hmbkp_request_cancel_backup();
					break;
				case 'get_backup_status':
					$information = $this->get_backup_status();
					break;
				case 'reload_backupslist':
					$information = $this->reload_backups();
					break;
				case 'delete_backup':
					$information = $this->hmbkp_request_delete_backup();
					break;
				case 'run_schedule':
					$information = $this->run_schedule();
					break;
				case 'save_all_schedules':
					$information = $this->save_all_schedules();
					break;
				case 'update_schedule':
					$information = $this->update_schedule();
					break;
				case 'get_excluded':
					$information = $this->get_excluded();
					break;
				case 'directory_browse':
					$information = $this->directory_browse();
					break;
				case 'exclude_add_rule':
					$information = $this->hmbkp_add_exclude_rule();
					break;
				case 'exclude_remove_rule':
					$information = $this->hmbkp_remove_exclude_rule();
					break;
				case 'general_exclude_add_rule':
					$information = $this->general_exclude_add_rule();
					break;
			}
		}
		mainwp_child_helper()->write( $information );
	}


	public function check_schedule() {
		$schedule_id = ( isset( $_POST['schedule_id'] ) && ! empty( $_POST['schedule_id'] ) ) ? $_POST['schedule_id'] : '';
		if ( empty( $schedule_id ) ) {
			$information = array( 'error' => 'Empty schedule id' );
			mainwp_child_helper()->write( $information );
		} else {
			$schedule_id = sanitize_text_field( rawurldecode( $schedule_id ) );
			HM\BackUpWordPress\Schedules::get_instance()->refresh_schedules();
			if ( ! HM\BackUpWordPress\Schedules::get_instance()->get_schedule( $schedule_id ) ) {
				$information = array( 'result' => 'NOTFOUND' );
				mainwp_child_helper()->write( $information );
			}
		}

		return $schedule_id;
	}

	public function sync_others_data( $information, $data = array() ) {
		if ( isset( $data['syncBackUpWordPress'] ) && $data['syncBackUpWordPress'] ) {
			try {
				$information['syncBackUpWordPress'] = $this->get_sync_data();
			} catch ( \Exception $e ) {
				// ok!
			}
		}
		return $information;
	}

	private function get_sync_data() {
		MainWP_Helper::check_classes_exists( 'HM\BackUpWordPress\Schedules' );
		MainWP_Helper::check_methods( 'HM\BackUpWordPress\Schedules', array( 'get_instance', 'refresh_schedules', 'get_schedules' ) );

		HM\BackUpWordPress\Schedules::get_instance()->refresh_schedules();
		$schedules    = HM\BackUpWordPress\Schedules::get_instance()->get_schedules();
		$backups_time = array();

		if ( is_array( $schedules ) && count( $schedules ) ) {
			$check = current( $schedules );
			MainWP_Helper::check_methods( $check, array( 'get_backups' ) );

			foreach ( $schedules as $sche ) {
				$existing_backup = $sche->get_backups();
				if ( ! empty( $existing_backup ) ) {
					$backups_time = array_merge( $backups_time, array_keys( $existing_backup ) );
				}
			}
		}

		$lasttime_backup = 0;
		if ( ! empty( $backups_time ) ) {
			$lasttime_backup = max( $backups_time );
		}

		$return = array( 'lasttime_backup' => $lasttime_backup );

		return $return;
	}

	public function do_site_stats() {
		if ( has_action( 'mainwp_child_reports_log' ) ) {
			do_action( 'mainwp_child_reports_log', 'backupwordpress' );
		} else {
			$this->do_reports_log( 'backupwordpress' );
		}
	}

	public function do_reports_log( $ext = '' ) {
		if ( 'backupwordpress' !== $ext ) {
			return;
		}
		if ( ! $this->is_plugin_installed ) {
			return;
		}

		try {
			MainWP_Helper::check_classes_exists( 'HM\BackUpWordPress\Schedules' );
			MainWP_Helper::check_methods( 'HM\BackUpWordPress\Schedules', array( 'get_instance', 'refresh_schedules', 'get_schedules' ) );

			// Refresh the schedules from the database to make sure we have the latest changes.
			HM\BackUpWordPress\Schedules::get_instance()->refresh_schedules();
			$schedules = HM\BackUpWordPress\Schedules::get_instance()->get_schedules();
			if ( is_array( $schedules ) && count( $schedules ) > 0 ) {
				$check = current( $schedules );
				MainWP_Helper::check_methods( $check, array( 'get_backups', 'get_type' ) );

				foreach ( $schedules as $schedule ) {
					foreach ( $schedule->get_backups() as $file ) {
						$backup_type = $schedule->get_type();
						$message     = 'BackupWordpres backup ' . $backup_type . ' finished';
						$destination = 'N/A';
						if ( file_exists( $file ) ) {
							$date = filemtime( $file );
							if ( ! empty( $date ) ) {
								do_action( 'mainwp_reports_backupwordpress_backup', $destination, $message, 'finished', $backup_type, $date );
								MainWP_Helper::update_lasttime_backup( 'backupwordpress', $date ); // to support backup before update feature.
							}
						}
					}
				}
			}
		} catch ( \Exception $e ) {
			// ok!
		}
	}

	public function set_showhide() {
		$hide = isset( $_POST['showhide'] ) && ( 'hide' === $_POST['showhide'] ) ? 'hide' : '';
		MainWP_Helper::update_option( 'mainwp_backupwordpress_hide_plugin', $hide );
		$information['result'] = 'SUCCESS';

		return $information;
	}

	public function delete_schedule() {
		$schedule_id = $this->check_schedule();
		$schedule    = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( rawurldecode( $schedule_id ) ) );

		if ( $schedule ) {
			$schedule->cancel( true );
			$information['result'] = 'SUCCESS';
		} else {
			$information['result'] = 'NOTFOUND';
		}

		return $information;
	}

	public function hmbkp_request_cancel_backup() {
		$schedule_id = $this->check_schedule();
		$schedule    = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( rawurldecode( $schedule_id ) ) );

		// Delete the running backup.
		if ( method_exists( $schedule, 'get_running_backup_filename' ) ) {
			if ( $schedule->get_running_backup_filename() && file_exists( trailingslashit( hmbkp_path() ) . $schedule->get_running_backup_filename() ) ) {
				unlink( trailingslashit( hmbkp_path() ) . $schedule->get_running_backup_filename() );
			}
			if ( $schedule->get_schedule_running_path() && file_exists( $schedule->get_schedule_running_path() ) ) {
				unlink( $schedule->get_schedule_running_path() );
			}
		} else {
			$status = $schedule->get_status();
			// Delete the running backup.
			if ( $status->get_backup_filename() && file_exists( trailingslashit( HM\BackUpWordPress\Path::get_path() ) . $status->get_backup_filename() ) ) {
				unlink( trailingslashit( HM\BackUpWordPress\Path::get_path() ) . $status->get_backup_filename() );
			}
			if ( file_exists( $status->get_status_filepath() ) ) {
				unlink( $status->get_status_filepath() );
			}
		}

		HM\BackUpWordPress\Path::get_instance()->cleanup();

		if ( null === $status ) {
			$information['scheduleStatus'] = $schedule->get_status();
		} else {
			$information['scheduleStatus'] = $status->get_status();
		}

		$information['result'] = 'SUCCESS';

		return $information;
	}

	public function get_backup_status() {
		$schedule_id = $this->check_schedule();
		$schedule    = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( rawurldecode( $schedule_id ) ) );

		if ( method_exists( $schedule, 'get_running_backup_filename' ) ) {
			$information['scheduleStatus'] = $schedule->get_status();
		} else {
			$status                        = $schedule->get_status();
			$information['scheduleStatus'] = $status->get_status();
		}

		$information['result'] = 'SUCCESS';

		return $information;
	}

	public function run_schedule() {
		$schedule_id = $this->check_schedule();
		if ( function_exists( 'hmbkp_run_schedule_async' ) ) {
			hmbkp_run_schedule_async( $schedule_id );
		} elseif ( function_exists( '\HM\BackUpWordPress\run_schedule_async' ) ) {
			HM\BackUpWordPress\Path::get_instance()->cleanup();
			// Fixes an issue on servers which only allow a single session per client.
			session_write_close();
			$task = new \HM\Backdrop\Task( '\HM\BackUpWordPress\run_schedule_async', $schedule_id );
			$task->schedule();
		} else {
			return array( 'error' => __( 'Error while trying to trigger the schedule', 'mainwp-child' ) );
		}
		return array( 'result' => 'SUCCESS' );
	}

	public function reload_backups() {

		$scheduleIds = isset( $_POST['schedule_ids'] ) ? $_POST['schedule_ids'] : array();
		HM\BackUpWordPress\Schedules::get_instance()->refresh_schedules();

		$all_schedules_ids = array();
		$schedules         = HM\BackUpWordPress\Schedules::get_instance()->get_schedules();
		foreach ( $schedules as $sch ) {
			$all_schedules_ids[] = $sch->get_id();
		}

		if ( empty( $all_schedules_ids ) ) {
			return array( 'error' => 'Schedules could not be found.' );
		}

		foreach ( $all_schedules_ids as $schedule_id ) {
			if ( ! HM\BackUpWordPress\Schedules::get_instance()->get_schedule( $schedule_id ) ) {
				continue;
			}

			$schedule    = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( rawurldecode( $schedule_id ) ) );
			$started_ago = method_exists( $schedule, 'get_schedule_running_start_time' ) ? $schedule->get_schedule_running_start_time() : $schedule->get_schedule_start_time();
			$out         = array(
				'b'              => $this->get_backupslist_html( $schedule ),
				'count'          => count( $schedule->get_backups() ),
				'file_size_text' => $this->hmbkp_get_site_size_text( $schedule ),
				'started_ago'    => human_time_diff( $started_ago ),
			);

			if ( method_exists( $schedule, 'get_running_backup_filename' ) ) {
				$out['scheduleStatus'] = $schedule->get_status();
			} else {
				$status                = $schedule->get_status();
				$out['scheduleStatus'] = $status->get_status();
			}

			$information['backups'][ $schedule_id ] = $out;
		}

		$send_back_schedules = array();

		$schedules = HM\BackUpWordPress\Schedules::get_instance()->get_schedules();
		foreach ( $schedules as $schedule ) {
			$sch_id = $schedule->get_id();
			if ( ! in_array( $sch_id, $scheduleIds ) ) {
				$current_option = get_option( 'hmbkp_schedule_' . $sch_id );
				if ( is_array( $current_option ) ) {
					unset( $current_option['excludes'] );
					$started_ago                    = method_exists( $schedule, 'get_schedule_running_start_time' ) ? $schedule->get_schedule_running_start_time() : $schedule->get_schedule_start_time();
					$send_back_schedules[ $sch_id ] = array(
						'options'        => $current_option,
						'b'              => $this->get_backupslist_html( $schedule ),
						'count'          => count( $schedule->get_backups() ),
						'file_size_text' => $this->hmbkp_get_site_size_text( $schedule ),
						'scheduleStatus' => $schedule->get_status(),
						'started_ago'    => human_time_diff( $started_ago ),
					);
					if ( method_exists( $schedule, 'get_running_backup_filename' ) ) {
						$send_back_schedules['scheduleStatus'] = $schedule->get_status();
					} else {
						$status                                = $schedule->get_status();
						$send_back_schedules['scheduleStatus'] = $status->get_status();
					}
				}
			}
		}

		if ( function_exists( 'HM\BackUpWordPress\Backup::get_home_path' ) ) {
			$backups_path = str_replace( HM\BackUpWordPress\Backup::get_home_path(), '', hmbkp_path() );
		} else {
			$backups_path = str_replace( HM\BackUpWordPress\Path::get_home_path(), '', HM\BackUpWordPress\Path::get_path() );
		}

		$information['backups_path']        = $backups_path;
		$information['send_back_schedules'] = $send_back_schedules;
		$information['result']              = 'SUCCESS';

		return $information;
	}

	public function hmbkp_request_delete_backup() {
		if ( ! isset( $_POST['hmbkp_backuparchive'] ) || empty( $_POST['hmbkp_backuparchive'] ) ) {
			return array( 'error' => __( 'Invalid data. Please check and try again.', 'mainwp-child' ) );
		}

		$schedule_id = $this->check_schedule();

		$schedule = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( rawurldecode( $schedule_id ) ) );

		$deleted = $schedule->delete_backup( base64_decode( rawurldecode( $_POST['hmbkp_backuparchive'] ) ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions -- base64_encode function is used for benign reasons.

		if ( is_wp_error( $deleted ) ) {
			return array( 'error' => $deleted->get_error_message() );
		}

		$ret = array(
			'result'         => 'SUCCESS',
			'b'              => $this->get_backupslist_html( $schedule ),
			'count'          => count( $schedule->get_backups() ),
			'file_size_text' => $this->hmbkp_get_site_size_text( $schedule ),
		);
		if ( method_exists( $schedule, 'get_running_backup_filename' ) ) {
			$ret['scheduleStatus'] = $schedule->get_status();
		} else {
			$status                = $schedule->get_status();
			$ret['scheduleStatus'] = $status->get_status();
		}
		return $ret;
	}

	public function get_backupslist_html( $schedule ) {
		ob_start();
		?>
		<table class="widefat">
			<thead>
				<tr>
					<th scope="col"><?php function_exists( 'hmbkp_backups_number' ) ? hmbkp_backups_number( $schedule ) : ( function_exists( 'backups_number' ) ? backups_number( $schedule ) : '' ); ?></th>
					<th scope="col"><?php esc_html_e( 'Size', 'mainwp-child' ); ?></th>
					<th scope="col"><?php esc_html_e( 'Type', 'mainwp-child' ); ?></th>
					<th scope="col"><?php esc_html_e( 'Actions', 'mainwp-child' ); ?></th>
				</tr>
			</thead>
			<tbody>
			<?php
			if ( $schedule->get_backups() ) {
				$schedule->delete_old_backups();
				foreach ( $schedule->get_backups() as $file ) {
					if ( ! file_exists( $file ) ) {
						continue;
					}
					$this->hmbkp_get_backup_row( $file, $schedule );
				}
			} else {
				?>
				<tr>
					<td class="hmbkp-no-backups" colspan="4"><?php esc_html_e( 'This is where your backups will appear once you have some.', 'mainwp-child' ); ?></td>
				</tr>
			<?php } ?>
			</tbody>
		</table>
		<?php
		$html = ob_get_clean();

		return $html;
	}


	public function hmbkp_get_site_size_text( HM\BackUpWordPress\Scheduled_Backup $schedule ) {
		if ( method_exists( $schedule, 'is_site_size_cached' ) ) {
			if ( ( 'database' === $schedule->get_type() ) || $schedule->is_site_size_cached() ) {
				return sprintf( '(<code title="' . __( 'Backups will be compressed and should be smaller than this.', 'mainwp-child' ) . '">%s</code>)', esc_attr( $schedule->get_formatted_site_size() ) );
			}
		} else {
			$site_size = new HM\BackUpWordPress\Site_Size( $schedule->get_type(), $schedule->get_excludes() );
			if ( ( 'database' === $schedule->get_type() ) || $site_size->is_site_size_cached() ) {
				return sprintf( '(<code title="' . __( 'Backups will be compressed and should be smaller than this.', 'mainwp-child' ) . '">%s</code>)', esc_attr( $site_size->get_formatted_site_size() ) );
			}
		}

		return sprintf( '(<code class="calculating" title="' . __( 'this shouldn\'t take long&hellip;', 'mainwp-child' ) . '">' . __( 'calculating the size of your backup&hellip;', 'mainwp-child' ) . '</code>)' );
	}

	public function hmbkp_get_backup_row( $file, HM\BackUpWordPress\Scheduled_Backup $schedule ) {
		$encoded_file = rawurlencode( base64_encode( $file ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions -- base64_encode function is used for benign reasons.
		$offset       = get_option( 'gmt_offset' ) * 3600;
		?>
		<tr class="hmbkp_manage_backups_row">
			<th scope="row">
				<?php echo esc_html( date_i18n( get_option( 'date_format' ) . ' - ' . get_option( 'time_format' ), filemtime( $file ) + $offset ) ); ?>
			</th>
			<td class="code">
				<?php echo esc_html( size_format( filesize( $file ) ) ); ?>
			</td>
			<td><?php echo function_exists( 'hmbkp_human_get_type' ) ? esc_html( hmbkp_human_get_type( $file, $schedule ) ) : esc_html( HM\BackUpWordPress\human_get_type( $file, $schedule ) ); ?></td>
			<td>
				<?php
				if ( function_exists( 'hmbkp_is_path_accessible' ) ) {
					if ( hmbkp_is_path_accessible( hmbkp_path() ) ) {
						?>
						<a href="#" onclick="event.preventDefault(); mainwp_backupwp_download_backup('<?php echo $encoded_file; ?>', <?php echo esc_attr( $schedule->get_id() ); ?>, this);" class="download-action"><?php esc_html_e( 'Download', 'mainwp-child' ); ?></a> |
						<?php
					};
				} elseif ( function_exists( 'HM\BackUpWordPress\is_path_accessible' ) ) {
					if ( HM\BackUpWordPress\is_path_accessible( HM\BackUpWordPress\Path::get_path() ) ) {
						?>
						<a href="#" onclick="event.preventDefault(); mainwp_backupwp_download_backup('<?php echo $encoded_file; ?>', <?php echo esc_attr( $schedule->get_id() ); ?>, this);" class="download-action"><?php esc_html_e( 'Download', 'maiwnp-child' ); ?></a> |
						<?php
					};
				}
				?>
				<a href="#" onclick="event.preventDefault(); mainwp_backupwp_delete_backup('<?php echo $encoded_file; ?>', <?php echo esc_attr( $schedule->get_id() ); ?>, this);" class="delete-action"><?php esc_html_e( 'Delete', 'mainwp-child' ); ?></a>
			</td>
		</tr>
		<?php
	}

	public function get_excluded( $browse_dir = null ) {

		$schedule_id = $this->check_schedule();
		$schedule    = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( rawurldecode( $schedule_id ) ) );

		$new_version = true;
		if ( method_exists( $schedule, 'get_running_backup_filename' ) ) {
			$new_version        = false;
			$user_excludes      = array_diff( $schedule->get_excludes(), $schedule->backup->default_excludes() );
			$root_dir           = $schedule->backup->get_root();
			$is_size_calculated = $schedule->is_site_size_being_calculated();
		} else {
			$excludes           = $schedule->get_excludes();
			$user_excludes      = $excludes->get_user_excludes();
			$root_dir           = HM\BackUpWordPress\Path::get_root();
			$is_size_calculated = HM\BackUpWordPress\Site_Size::is_site_size_being_calculated();
		}

		ob_start();

		?>
		<div class="hmbkp-exclude-settings">
			<h3><?php esc_html_e( 'Currently Excluded', 'mainwp-child' ); ?></h3>
			<p><?php esc_html_e( 'We automatically detect and ignore common <abbr title="Version Control Systems">VCS</abbr> folders and other backup plugin folders.', 'mainwp-child' ); ?></p>
			<table class="widefat">
				<tbody>
				<?php foreach ( $user_excludes as $key => $exclude ) : ?>
					<?php $exclude_path = new SplFileInfo( trailingslashit( $root_dir ) . ltrim( str_ireplace( $root_dir, '', $exclude ), '/' ) ); ?>
					<tr>
						<th scope="row">
							<?php if ( $exclude_path->isFile() ) { ?>
								<div class="dashicons dashicons-media-default"></div>
							<?php } elseif ( $exclude_path->isDir() ) { ?>
								<div class="dashicons dashicons-portfolio"></div>
							<?php } ?>
						</th>
						<td>
							<code><?php echo esc_html( str_ireplace( $root_dir, '', $exclude ) ); ?></code>
						</td>
						<td>
							<?php
							if ( $new_version ) {
								$is_default_rule = ( in_array( $exclude, $excludes->get_default_excludes() ) ) || ( HM\BackUpWordPress\Path::get_path() === trailingslashit( HM\BackUpWordPress\Path::get_root() ) . untrailingslashit( $exclude ) );
							} else {
								$is_default_rule = ( in_array( $exclude, $schedule->backup->default_excludes() ) ) || ( hmbkp_path() === untrailingslashit( $exclude ) );
							}
							if ( $is_default_rule ) :
								?>
								<?php esc_html_e( 'Default rule', 'mainwp-child' ); ?>
							<?php elseif ( defined( 'HMBKP_EXCLUDE' ) && false !== strpos( HMBKP_EXCLUDE, $exclude ) ) : ?>
								<?php esc_html_e( 'Defined in wp-config.php', 'mainwp-child' ); ?>
							<?php else : ?>
								<a href="#" onclick="event.preventDefault(); mainwp_backupwp_remove_exclude_rule('<?php esc_attr_e( $exclude ); ?>', this);" class="delete-action"><?php esc_html_e( 'Stop excluding', 'mainwp-child' ); ?></a>
							<?php endif; ?>
						</td>
					</tr>
				<?php endforeach; ?>
				</tbody>
			</table>
			<h3 id="directory-listing"><?php esc_html_e( 'Your Site', 'mainwp-child' ); ?></h3>
			<p><?php esc_html_e( 'Here\'s a directory listing of all files on your site, you can browse through and exclude files or folders that you don\'t want included in your backup.', 'mainwp-child' ); ?></p>
			<?php
			$directory = $root_dir;

			if ( isset( $browse_dir ) ) {

				$untrusted_directory = rawurldecode( $browse_dir );

				// Only allow real sub directories of the site root to be browsed.
				if ( false !== strpos( $untrusted_directory, $root_dir ) && is_dir( $untrusted_directory ) ) {
					$directory = $untrusted_directory;
				}
			}

			// Kick off a recursive filesize scan.
			if ( $new_version ) {
				$site_size      = new HM\BackUpWordPress\Site_Size();
				$exclude_string = implode( '|', $excludes->get_excludes_for_regex() );
				if ( function_exists( 'HM\BackUpWordPress\list_directory_by_total_filesize' ) ) {
					$files = HM\BackUpWordPress\list_directory_by_total_filesize( $directory, $excludes );
				}
			} else {
				$files          = $schedule->list_directory_by_total_filesize( $directory );
				$exclude_string = $schedule->backup->exclude_string( 'regex' );
			}
			if ( $files ) {
				?>
				<table class="widefat">
					<thead>
					<tr>
						<th></th>
						<th scope="col"><?php esc_html_e( 'Name', 'mainwp-child' ); ?></th>
						<th scope="col" class="column-format"><?php esc_html_e( 'Size', 'mainwp-child' ); ?></th>
						<th scope="col"
							class="column-format"><?php esc_html_e( 'Permissions', 'mainwp-child' ); ?></th>
						<th scope="col" class="column-format"><?php esc_html_e( 'Type', 'mainwp-child' ); ?></th>
						<th scope="col" class="column-format"><?php esc_html_e( 'Status', 'mainwp-child' ); ?></th>
					</tr>
					<tr>
						<th scope="row">
							<div class="dashicons dashicons-admin-home"></div>
						</th>
						<th scope="col">
							<?php
							if ( $root_dir !== $directory ) {
								?>
								<a href="#" onclick="event.preventDefault(); mainwp_backupwp_directory_browse( '', this )"><?php echo esc_html( $root_dir ); ?></a>
								<code>/</code>
								<?php
								$parents = array_filter( explode( '/', str_replace( trailingslashit( $root_dir ), '', trailingslashit( dirname( $directory ) ) ) ) );
								foreach ( $parents as $directory_basename ) {
									?>
									<a href="#" onclick="event.preventDefault(); mainwp_backupwp_directory_browse('<?php echo rawurlencode( substr( $directory, 0, strpos( $directory, $directory_basename ) ) . $directory_basename ); ?>', this)"><?php echo esc_html( $directory_basename ); ?></a>
									<code>/</code>
								<?php } ?>
								<?php echo esc_html( basename( $directory ) ); ?>
							<?php } else { ?>
								<?php echo esc_html( $root_dir ); ?>
							<?php } ?>
						</th>
						<td class="column-filesize">
							<?php if ( $is_size_calculated ) : ?>
								<span class="spinner"></span>
								<?php
							else :
								$root = new SplFileInfo( $root_dir );
								if ( $new_version ) {
									$size = $site_size->filesize( $root );
								} else {
									$size = $schedule->filesize( $root, true );
								}
								if ( false !== $size ) {
									$size = size_format( $size );
									if ( ! $size ) {
										$size = '0 B';
									}
									?>
									<code>
										<?php echo esc_html( $size ); ?>
										<a class="dashicons dashicons-update" href="<?php echo esc_attr( wp_nonce_url( add_query_arg( 'hmbkp_recalculate_directory_filesize', rawurlencode( $root_dir ) ), 'hmbkp-recalculate_directory_filesize' ) ); ?>"><span><?php esc_html_e( 'Refresh', 'mainwp-child' ); ?></span></a>
									</code>
								<?php } ?>
							<?php endif; ?>
						<td>
							<?php echo esc_html( substr( sprintf( '%o', fileperms( $root_dir ) ), - 4 ) ); ?>
						</td>
						<td>
							<?php
							if ( is_link( $root_dir ) ) {
								esc_html_e( 'Symlink', 'mainwp-child' );
							} elseif ( is_dir( $root_dir ) ) {
								esc_html_e( 'Folder', 'mainwp-child' );
							}
							?>
						</td>
						<td></td>
					</tr>
				</thead>
				<tbody>
					<?php
					foreach ( $files as $size => $file ) {
						$is_excluded   = false;
						$is_unreadable = false;
						// Check if the file is excluded.
						if ( $new_version ) {
							if ( $exclude_string && preg_match( '(' . $exclude_string . ')', str_ireplace( trailingslashit( $root_dir ), '', wp_normalize_path( $file->getPathname() ) ) ) ) {
								$is_excluded = true;
							}
						} else {
							if ( $exclude_string && preg_match( '(' . $exclude_string . ')', str_ireplace( trailingslashit( $root_dir ), '', HM\BackUpWordPress\Backup::conform_dir( $file->getPathname() ) ) ) ) {
								$is_excluded = true;
							}
						}
						// Skip unreadable files.
						if ( ! realpath( $file->getPathname() ) || ! $file->isReadable() ) {
							$is_unreadable = true;
						}
						?>
						<tr>
							<td>
								<?php if ( $is_unreadable ) { ?>
									<div class="dashicons dashicons-dismiss"></div>
								<?php } elseif ( $file->isFile() ) { ?>
									<div class="dashicons dashicons-media-default"></div>
								<?php } elseif ( $file->isDir() ) { ?>
									<div class="dashicons dashicons-portfolio"></div>
								<?php } ?>
							</td>
							<td>
								<?php
								if ( $new_version ) {
									if ( $is_unreadable ) {
										?>
										<code class="strikethrough" title="<?php echo esc_attr( wp_normalize_path( $file->getRealPath() ) ); ?>"><?php echo esc_html( $file->getBasename() ); ?></code>
									<?php } elseif ( $file->isFile() ) { ?>
										<code title="<?php echo esc_attr( wp_normalize_path( $file->getRealPath() ) ); ?>"><?php echo esc_html( $file->getBasename() ); ?></code>
									<?php } elseif ( $file->isDir() ) { ?>
										<code title="<?php echo esc_attr( $file->getRealPath() ); ?>"><a href="#" onclick="event.preventDefault(); mainwp_backupwp_directory_browse('<?php echo rawurlencode( wp_normalize_path( $file->getPathname() ) ); ?>', this)"><?php echo esc_html( $file->getBasename() ); ?></a></code>
										<?php
									}
								} else {
									if ( $is_unreadable ) {
										?>
										<code class="strikethrough" title="<?php echo esc_attr( $file->getRealPath() ); ?>"><?php echo esc_html( $file->getBasename() ); ?></code>
									<?php } elseif ( $file->isFile() ) { ?>
										<code title="<?php echo esc_attr( $file->getRealPath() ); ?>"><?php echo esc_html( $file->getBasename() ); ?></code>
										<?php
									} elseif ( $file->isDir() ) {
										?>
										<code title="<?php echo esc_attr( $file->getRealPath() ); ?>"><a href="#" onclick="event.preventDefault(); mainwp_backupwp_directory_browse('<?php echo rawurlencode( $file->getPathname() ); ?>', this)"><?php echo esc_html( $file->getBasename() ); ?></a></code>
										<?php
									}
								}
								?>
							</td>
							<td class="column-format column-filesize">
								<?php if ( $file->isDir() && $is_size_calculated ) : ?>
									<span class="spinner"></span>
									<?php
								else :
									if ( $new_version ) {
										$size = $site_size->filesize( $file );
									} else {
										$size = $schedule->filesize( $file );
									}
									if ( false !== $size ) {
										$size = size_format( $size );
										if ( ! $size ) {
											$size = '0 B';
										}
										?>
										<code>
											<?php echo esc_html( $size ); ?>
											<?php if ( $file->isDir() ) { ?>
												<a title="<?php esc_attr_e( 'Recalculate the size of this directory', 'maiwnp-child' ); ?>" class="dashicons dashicons-update" href="<?php echo esc_attr( wp_nonce_url( add_query_arg( 'hmbkp_recalculate_directory_filesize', rawurlencode( wp_normalize_path( $file->getPathname() ) ) ), 'hmbkp-recalculate_directory_filesize' ) ); ?>"><span><?php esc_html_e( 'Refresh', 'mainwp-child' ); ?></span></a>
											<?php } ?>
										</code>
									<?php } else { ?>
										<code>--</code>
										<?php
									}
								endif;
								?>
							</td>
							<td>
								<?php echo esc_html( substr( sprintf( '%o', $file->getPerms() ), - 4 ) ); ?>
							</td>
							<td>
								<?php if ( $file->isLink() ) : ?>
									<span title="<?php echo esc_attr( wp_normalize_path( $file->GetRealPath() ) ); ?>"><?php esc_html_e( 'Symlink', 'mainwp-child' ); ?></span>
									<?php
								elseif ( $file->isDir() ) :
									esc_html_e( 'Folder', 'mainwp-child' );
								else :
									esc_html_e( 'File', 'mainwp-child' );
								endif;
								?>
							</td>
							<td class="column-format">
								<?php if ( $is_unreadable ) : ?>
									<strong title="<?php esc_attr_e( 'Unreadable files won\'t be backed up.', 'mainwp-child' ); ?>"><?php esc_html_e( 'Unreadable', 'mainwp-child' ); ?></strong>
								<?php elseif ( $is_excluded ) : ?>
									<strong><?php esc_html_e( 'Excluded', 'mainwp-child' ); ?></strong>
									<?php
								else :
									$exclude_path = $file->getPathname();

									// Excluded directories need to be trailingslashed.
									if ( $file->isDir() ) {
										$exclude_path = trailingslashit( wp_normalize_path( $file->getPathname() ) );
									}
									?>
									<a href="#" onclick="event.preventDefault(); mainwp_backupwp_exclude_add_rule('<?php echo rawurlencode( $exclude_path ); ?>', this)" class="button-secondary"><?php esc_html_e( 'Exclude &rarr;', 'mainwp-child' ); ?></a>
								<?php endif; ?>
							</td>
						</tr>
					<?php } ?>
					</tbody>
				</table>
			<?php } ?>
			<p class="submit">
				<a href="#" onclick="event.preventDefault(); mainwp_backupwp_edit_exclude_done()" class="button-primary"><?php esc_html_e( 'Done', 'mainwp-child' ); ?></a>
			</p>
		</div>
		<?php
		$output           = ob_get_clean();
		$information['e'] = $output;

		return $information;
	}

	public function directory_browse() {
		$browse_dir                = $_POST['browse_dir'];
		$out                       = array();
		$return                    = $this->get_excluded( $browse_dir );
		$out['e']                  = $return['e'];
		$out['current_browse_dir'] = $browse_dir;

		return $out;
	}

	public function hmbkp_add_exclude_rule() {

		if ( ! isset( $_POST['exclude_pathname'] ) || empty( $_POST['exclude_pathname'] ) ) {
			return array( 'error' => __( 'Empty exclude directory path.', 'mainwp-child' ) );
		}

		$schedule_id = $this->check_schedule();
		$schedule    = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( $schedule_id ) );

		$exclude_rule = rawurldecode( $_POST['exclude_pathname'] );

		$schedule->set_excludes( $exclude_rule, true );

		$schedule->save();

		$current_path = rawurldecode( $_POST['browse_dir'] );

		if ( empty( $current_path ) ) {
			$current_path = null;
		}

		$return                    = $this->get_excluded( $current_path );
		$out['e']                  = $return['e'];
		$out['current_browse_dir'] = $_POST['browse_dir'];

		return $out;
	}

	public function hmbkp_remove_exclude_rule() {

		if ( ! isset( $_POST['remove_rule'] ) || empty( $_POST['remove_rule'] ) ) {
			return array( 'error' => __( 'Empty exclude directory path.', 'mainwp-child' ) );
		}

		$schedule_id = $this->check_schedule();
		$schedule    = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( $schedule_id ) );

		$excludes               = $schedule->get_excludes();
		$exclude_rule_to_remove = stripslashes( sanitize_text_field( $_POST['remove_rule'] ) );

		if ( method_exists( $excludes, 'get_user_excludes' ) ) {
			$schedule->set_excludes( array_diff( $excludes->get_user_excludes(), (array) $exclude_rule_to_remove ) );
		} else {
			$schedule->set_excludes( array_diff( $excludes, $exclude_rule_to_remove ) );
		}

		$schedule->save();

		$current_path = rawurldecode( $_POST['browse_dir'] );

		if ( empty( $current_path ) ) {
			$current_path = null;
		}

		$return = $this->get_excluded( $current_path );

		$out['e']                  = $return['e'];
		$out['current_browse_dir'] = $_POST['browse_dir'];

		return $out;
	}


	public function general_exclude_add_rule() {

		$sch_id   = $this->check_schedule();
		$schedule = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( $sch_id ) );

		$exclude_paths = rawurldecode( $_POST['exclude_paths'] );
		$exclude_paths = explode( "\n", $exclude_paths );
		if ( is_array( $exclude_paths ) && count( $exclude_paths ) > 0 ) {
			foreach ( $exclude_paths as $excl_rule ) {
				$excl_rule = trim( $excl_rule );
				$excl_rule = trim( $excl_rule, '/' );

				if ( empty( $excl_rule ) ) {
						continue;
				}

				$exclude_rule = ABSPATH . $excl_rule;
				$path         = realpath( $exclude_rule );
				if ( false !== $path ) {
					$schedule->set_excludes( $exclude_rule, true );
					$schedule->save();
				}
			}
		}

		$un_exclude_paths = rawurldecode( $_POST['un_exclude_paths'] );
		$un_exclude_paths = explode( "\n", $un_exclude_paths );

		if ( is_array( $un_exclude_paths ) && count( get_user_excludes ) > 0 ) {
			foreach ( $un_exclude_paths as $exclude_rule_to_remove ) {
					$exclude_rule_to_remove = trim( $exclude_rule_to_remove );
					$exclude_rule_to_remove = trim( $exclude_rule_to_remove, '/' );

				if ( empty( $exclude_rule_to_remove ) ) {
					continue;
				}

					$excludes = $schedule->get_excludes();
				if ( method_exists( $excludes, 'get_user_excludes' ) ) {
					$schedule->set_excludes( array_diff( $excludes->get_user_excludes(), (array) $exclude_rule_to_remove ) );
				} else {
					$schedule->set_excludes( array_diff( $excludes, $exclude_rule_to_remove ) );
				}
					$schedule->save();
			}
		}

		return array( 'result' => 'SUCCESS' );
	}


	public function update_schedule() {
		$sch_id  = isset( $_POST['schedule_id'] ) ? $_POST['schedule_id'] : 0;
		$sch_id  = sanitize_text_field( rawurldecode( $sch_id ) );
		$options = isset( $_POST['options'] ) ? maybe_unserialize( base64_decode( $_POST['options'] ) ) : false; // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions -- base64_encode function is used for benign reasons.

		if ( ! is_array( $options ) || empty( $options ) || empty( $sch_id ) ) {
			return array( 'error' => __( 'Schedule data', 'mainwp-child' ) );
		}

		$filter_opts = array(
			'type',
			'email',
			'reoccurrence',
			'max_backups',
			'schedule_start_time',
		);

		$out = array();
		if ( is_array( $options ) ) {
			$old_options = get_option( 'hmbkp_schedule_' . $sch_id );
			if ( is_array( $old_options ) ) {
				foreach ( $old_options as $key => $val ) {
					if ( ! in_array( $key, $filter_opts ) ) {
						$options[ $key ] = $old_options[ $key ];
					}
				}
			}

			update_option( 'hmbkp_schedule_' . $sch_id, $options );
			delete_transient( 'hmbkp_schedules' );
			$out['result'] = 'SUCCESS';
		} else {
			$out['result'] = 'NOTCHANGE';
		}

		$schedule = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( $sch_id ) );

		if ( ! empty( $options['reoccurrence'] ) && ! empty( $options['schedule_start_time'] ) ) {
			// Calculate the start time depending on the recurrence.
			$start_time = $options['schedule_start_time'];
			if ( $start_time ) {
				$schedule->set_schedule_start_time( $start_time );
			}
		}

		if ( ! empty( $options['reoccurrence'] ) ) {
			$schedule->set_reoccurrence( $options['reoccurrence'] );
		}
		$out['next_occurrence'] = $schedule->get_next_occurrence( false );

		return $out;
	}

	public function save_all_schedules() {
		$schedules = isset( $_POST['all_schedules'] ) ? maybe_unserialize( base64_decode( $_POST['all_schedules'] ) ) : false; // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions -- base64_encode function is used for benign reasons.

		if ( ! is_array( $schedules ) || empty( $schedules ) ) {
			return array( 'error' => __( 'Schedule data', 'mainwp-child' ) );
		}

		$out = array();
		foreach ( $schedules as $sch_id => $sch ) {
			if ( empty( $sch_id ) || ! isset( $sch['options'] ) || ! is_array( $sch['options'] ) ) {
				continue;
			}
			$options     = $sch['options'];
			$filter_opts = array(
				'type',
				'email',
				'reoccurrence',
				'max_backups',
				'schedule_start_time',
			);
			if ( is_array( $options ) ) {
				$old_options = get_option( 'hmbkp_schedule_' . $sch_id );
				if ( is_array( $old_options ) ) {
					foreach ( $old_options as $key => $val ) {
						if ( ! in_array( $key, $filter_opts ) ) {
							$options[ $key ] = $old_options[ $key ];
						}
					}
				}
				update_option( 'hmbkp_schedule_' . $sch_id, $options );
			}

			$schedule = new HM\BackUpWordPress\Scheduled_Backup( sanitize_text_field( $sch_id ) );

			if ( ! empty( $options['reoccurrence'] ) && ! empty( $options['schedule_start_time'] ) ) {
				// Calculate the start time depending on the recurrence.
				$start_time = $options['schedule_start_time'];
				if ( $start_time ) {
					$schedule->set_schedule_start_time( $start_time );
				}
			}

			if ( ! empty( $options['reoccurrence'] ) ) {
				$schedule->set_reoccurrence( $options['reoccurrence'] );
			}
			$out['result'] = 'SUCCESS';
		}
		delete_transient( 'hmbkp_schedules' );
		return $out;
	}

	public static function is_activated() {
		if ( ! defined( 'HMBKP_PLUGIN_PATH' ) || ! class_exists( 'HM\BackUpWordPress\Plugin' ) ) {
			return false;
		}

		return true;
	}


	public function all_plugins( $plugins ) {
		foreach ( $plugins as $key => $value ) {
			$plugin_slug = basename( $key, '.php' );
			if ( 'backupwordpress' === $plugin_slug ) {
				unset( $plugins[ $key ] );
			}
		}

		return $plugins;
	}

	public function remove_menu() {
		global $submenu;
		if ( isset( $submenu['tools.php'] ) ) {
			foreach ( $submenu['tools.php'] as $index => $item ) {
				if ( 'backupwordpress' === $item[2] ) {
					unset( $submenu['tools.php'][ $index ] );
					break;
				}
			}
		}

		$pos = stripos( $_SERVER['REQUEST_URI'], 'tools.php?page=backupwordpress' );
		if ( false !== $pos ) {
			wp_safe_redirect( get_option( 'siteurl' ) . '/wp-admin/index.php' );
			exit();
		}
	}
}