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<?php class PMXE_Handler extends PMXE_Session { /** cookie name */ private $_cookie; /** session due to expire timestamp */ private $_session_expiring; /** session expiration timestamp */ private $_session_expiration; /** Bool based on whether a cookie exists **/ private $_has_cookie = false; /** * Constructor for the session class. * * @access public * @return void */ public function __construct() { $this->set_session_expiration(); $this->_import_id = $this->generate_import_id(); $this->_data = $this->get_session_data(); } /** * Return true if the current user has an active session, i.e. a cookie to retrieve values * @return boolean */ public function has_session() { return isset( $_COOKIE[ $this->_cookie ] ) || $this->_has_cookie || is_user_logged_in(); } /** * set_session_expiration function. * * @access public * @return void */ public function set_session_expiration() { $this->_session_expiring = time() + intval( apply_filters( 'wpallexport_session_expiring', 60 * 60 * 47 ) ); // 47 Hours $this->_session_expiration = time() + intval( apply_filters( 'wpallexport_session_expiration', 60 * 60 * 48 ) ); // 48 Hours } public function generate_import_id() { $input = new PMXE_Input(); $import_id = $input->get('id', 'new'); return $import_id; } /** * get_session_data function. * * @access public * @return array */ public function get_session_data() { global $wpdb; $session = $wpdb->get_row( $wpdb->prepare("SELECT option_name, option_value FROM $wpdb->options WHERE option_name = %s", '_wpallexport_session_' . $this->_import_id . '_'), ARRAY_A ); return empty($session) ? array() : maybe_unserialize($session['option_value']); } /** * get_session_data function. * * @access public * @return array */ public function get_clear_session_data() { $this->_data = $this->get_session_data(); $clear_data = array(); foreach ($this->_data as $key => $value) { $ckey = sanitize_key( $key ); $clear_data[ $ckey ] = maybe_unserialize( $value ); } return $clear_data; } /** * save_data function. * * @access public * @return void */ public function save_data() { // Dirty if something changed - prevents saving nothing new if ( $this->_dirty && $this->has_session() ) { $session_option = '_wpallexport_session_' . $this->_import_id . '_'; $session_expiry_option = '_wpallexport_session_expires_' . $this->_import_id . '_'; global $wpdb; $session = $wpdb->get_row( $wpdb->prepare("SELECT option_name, option_value FROM $wpdb->options WHERE option_name = %s", $session_option), ARRAY_A ); if ( empty($session) ) { $wpdb->query($wpdb->prepare("INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no')", $session_option, serialize($this->_data))); $wpdb->query($wpdb->prepare("INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no')", $session_expiry_option, $this->_session_expiration)); // add_option( $session_option, $this->_data, '', 'no' ); // add_option( $session_expiry_option, $this->_session_expiration, '', 'no' ); } else { // update_option( $session_option, $this->_data ); $wpdb->query($wpdb->prepare("UPDATE `$wpdb->options` SET `option_value` = %s WHERE `option_name` = %s", serialize($this->_data), $session_option)); } } } public function clean_session( $import_id = 'new' ) { global $wpdb; $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->options WHERE option_name = %s", '_wpallexport_session_' . $import_id . '_') ); $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->options WHERE option_name = %s", '_wpallexport_session_expires_' . $import_id . '_') ); } }