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<?php
/**
* Crontab class.
*
* This is an object class, representing crontab.
*
* @link https://www.boldgrid.com
* @since 1.11.0
*
* @package Boldgrid\Backup
* @subpackage Boldgrid\Backup\Cron
* @copyright BoldGrid
* @author BoldGrid <support@boldgrid.com>
*/
namespace Boldgrid\Backup\Admin\Cron;
/**
* Class: Crontab
*
* @since 1.11.0
*/
class Crontab {
/**
* Boldgrid_Backup_Admin_Core object.
*
* @since 1.11.1
* @access private
*
* @var Boldgrid_Backup_Admin_Core
*/
private $core;
/**
* Constructor.
*
* @since 1.11.1
*/
public function __construct() {
$this->core = apply_filters( 'boldgrid_backup_get_core', null );
}
/**
* Search for cron entries.
*
* This method is similar to the Boldgrid_Backup_Admin_Cron::entry_search() method, except it
* accepts an array of patterns to search for, rather than just one.
*
* @since 1.11.0
*
* @param array $patterns An array of patterns to search for. All patterns must be found in
* order to return a cron entry as a match.
* @return array An array of crons.
*/
public function find_crons( array $patterns = [] ) {
$all_crons = $this->core->cron->get_all( false );
$all_crons = false === $all_crons ? array() : $all_crons;
$matched_crons = [];
foreach ( $all_crons as $cron ) {
$all_patterns_found = true;
foreach ( $patterns as $pattern ) {
if ( false === strpos( $cron, $pattern ) ) {
$all_patterns_found = false;
}
}
if ( $all_patterns_found ) {
$matched_crons[] = $cron;
}
}
return $matched_crons;
}
/**
* Write to the system crontab.
*
* The crontab contents will be replaced with the string passed to this method.
*
* @since 1.11.1
*
* @param string $crontab The crontab contents to be written.
* @return bool
*/
public function write_crontab( $crontab ) {
$backup_directory = $this->core->backup_dir->get();
if ( ! $this->core->wp_filesystem->is_writable( $backup_directory ) ) {
return false;
}
// Strip extra line breaks.
$crontab = str_replace( "\n\n", "\n", $crontab );
// Trim the crontab.
$crontab = trim( $crontab );
// Add a line break at the end of the file.
$crontab .= "\n";
// Save the temp crontab to file.
$temp_crontab_path = $backup_directory . '/crontab.' . microtime( true ) . '.tmp';
// Save a temporary file for crontab.
$this->core->wp_filesystem->put_contents( $temp_crontab_path, $crontab, 0600 );
// Check if the defaults file was written.
if ( ! $this->core->wp_filesystem->exists( $temp_crontab_path ) ) {
return false;
}
// Write crontab.
$command = 'crontab ' . $temp_crontab_path;
$this->core->execute_command( $command, $success );
// Remove temp crontab file.
$this->core->wp_filesystem->delete( $temp_crontab_path, false, 'f' );
return (bool) $success;
}
}