/**
* Backup an Envato theme.
*
* This function requires the template/theme slug
* to locate and backup that theme.
*
* @access private
* @since 1.4
*
* @param string Template slug
* @return void
*/
protected function _backup_theme($theme)
{
$backup_errors = array();
$theme_backup = Envato_Backup::get_instance();
$theme_backup->path = EWPT_BACKUP_DIR;
$theme_backup->root = get_theme_root() . '/' . $theme . '/';
$theme_backup->archive_filename = strtolower(sanitize_file_name($theme . '.backup.' . date('Y-m-d-H-i-s', time() + (current_time('timestamp') - time())) . '.zip'));
if (!is_dir($theme_backup->path()) && (!is_writable(dirname($theme_backup->path())) || !mkdir($theme_backup->path())) || !is_writable($theme_backup->path())) {
array_push($backup_errors, 'Invalid backup path');
return false;
}
if (!is_dir($theme_backup->root()) || !is_readable($theme_backup->root())) {
array_push($backup_errors, 'Invalid root path');
return false;
}
$theme_backup->backup();
if (file_exists(Envato_Backup::get_instance()->archive_filepath())) {
return true;
} else {
return $backup_errors;
}
}
function backup_theme($theme_dirname)
{
// initialize errors
$this->errors = array();
// configure backup
$theme_backup = Envato_Backup::get_instance();
$theme_backup->path = WP_CONTENT_DIR . '/envato-backups/';
$theme_backup->root = get_theme_root() . '/' . $theme_dirname . '/';
$theme_backup->archive_filename = strtolower(sanitize_file_name($theme_dirname . '.backup.' . date('Y-m-d-H-i-s', time() + (current_time('timestamp') - time())) . '.zip'));
if (!$this->is_valid_dir_path($theme_backup->path())) {
array_push($this->errors, 'Invalid backup path: ' . $this->secure_display_path($theme_backup->path()) . ' (bad permissions or does not exist)');
return false;
}
if (!$this->is_valid_backup_root($theme_backup->root())) {
array_push($this->errors, 'Invalid backup root path: ' . $this->secure_display_path($theme_backup->root()) . ' (bad permissions or not a directory)');
return false;
}
// @todo clearer handling of errors from backup() method; currently black box
$theme_backup->backup();
if (file_exists($theme_backup->archive_filepath())) {
return true;
} else {
// failed to create backup
array_push($this->errors, 'Backup creation process succeeded but backup file can not be confirmed: ' . $this->secure_display_path($theme_backup->archive_filepath()));
return false;
}
}
/**
* Return the current instance
*
* @access public
* @since 1.4
*
* @static
* @return object
*/
public static function get_instance()
{
if (empty(self::$instance)) {
self::$instance = new Envato_Backup();
}
return self::$instance;
}