<?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 . '_') );
}
}