source: trunk/include/pluggable-override.php @ 65

<?php
/**
 * XPress - WordPress for XOOPS
 *
 * Adding multi-author features to XPressME
 *
 * @copyright   The XPressME project
 * @license             http://www.fsf.org/copyleft/gpl.html GNU public license
 * @author              toemon
 * @since               2.05
 * @version             $Id$
 * @package             module::xpress
 */

// ***********************************  Start Pluggable Function Edit (wp-include/pluggable.php) ************************************

if ( !function_exists('get_currentuserinfo') ) :
function get_currentuserinfo() {
        global $current_user;

        if (is_root_index_page_call()){
                if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST )
                        return false;

                if ( ! empty($current_user) )
                        return;

                if (check_xpress_auth_cookie()){
                        if ( $user = wp_validate_auth_cookie() ) {
                                wp_set_current_user($user);
                                return ;
                        }
                }                               
                xpress_login();         
        }else {
                // WP2.7 original
                if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST )
                        return false;

                if ( ! empty($current_user) )
                        return;

                if ( ! $user = wp_validate_auth_cookie() ) {
                         if ( empty($_COOKIE[LOGGED_IN_COOKIE]) || !$user = wp_validate_auth_cookie($_COOKIE[LOGGED_IN_COOKIE], 'logged_in') ) {
                                wp_set_current_user(0);
                                return false;
                         }
                }

                wp_set_current_user($user);
        }
}
endif;

function xpress_login(){
        global $current_user;
        
                        if(is_object($GLOBALS["xoopsUser"])){
                                $u_name = $GLOBALS["xoopsUser"]->getVar("uname");
                                $u_pass_md5 = $GLOBALS["xoopsUser"]->getVar("pass");            
                                if ( ! empty($u_name) && ! empty($u_pass_md5) ) {               
//                                      include_once dirname( __FILE__ ).'/xpress_user.php';
//                                      $mess = xpress_user_sync($GLOBALS["xoopsUser"]->getVar("uid"));
//                                      if ($mess != 'NOT XPRESS USER'){
                                                $user = new WP_User(0, $u_name);
                                                if ( wp_login($u_name, $u_pass_md5, true) ) {
                                                        wp_setcookie($u_name, $u_pass_md5, true, '', '', false);
                                                        do_action('wp_login', $u_name);
                                                        wp_set_current_user($user->ID);
                                                        return  true;
                                                }
//                                      }
                                }
                        }
                wp_set_current_user(0);
                return 0;       
}

function check_xpress_auth_cookie() {           // for wp2.5
        if ( empty($_COOKIE[AUTH_COOKIE]) ){
                return false;
        }
        $cookie = $_COOKIE[AUTH_COOKIE];

        $cookie_elements = explode('|', $cookie);
        if ( count($cookie_elements) != 3 ){
                        return false;
        }
                                        
        if(is_object($GLOBALS["xoopsModule"]) && WP_BLOG_DIRNAME == $GLOBALS["xoopsModule"]->getVar("dirname")){
                if(is_object($GLOBALS["xoopsUser"])){
                        $u_name = $GLOBALS["xoopsUser"]->getVar("uname");
                        list($username, $expiration, $hmac) = $cookie_elements;
                        if ($u_name == $username) {
                                return true;
                        }
                }
        } else {
                $mydirname = basename( dirname( dirname( __FILE__ ) ) ) ;
                $org_url = $_SERVER['REQUEST_URI'];
                $needle = '/modules/' . $mydirname . '/wp-admin/';
                if (strstr($org_url , $needle)){
                        return true;                            
                }
        }
        return false;
}


/*

function wp_login($username, $password, $already_md5 = false) {
        global $wpdb, $error;

        $username = sanitize_user($username);

        if ( '' == $username )
                return false;

        if ( '' == $password ) {
                $error = __('<strong>ERROR</strong>: The password field is empty.');
                return false;
        }

        $login = get_userdatabylogin($username);
        //$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");

        if (!$login) {
                $error = __('<strong>ERROR</strong>: Invalid username.');
                return false;
        } else {
                if ($login->user_login == $username) {
                                if ($login->user_pass == $password) return true;
                                if ($login->user_pass == md5($password)) return true;
                }

                $error = __('<strong>ERROR</strong>: Incorrect password.');
                $pwd = '';
                return false;
        }
}
*/

// for wordpress2.5
function wp_check_password($password, $hash, $user_id = '') {
        global $wp_hasher;

        // If the hash is still md5...
        if ( strlen($hash) <= 32 ) {
                if (( $hash == md5($password)) || ($hash == $password)) {  // The password taken out of XOOPS is hash value.
                        $check = true;
                } else {
                        $check = false;
                }

/* A new hash is not used because it differs from the hash on the XOOPS password. 
 *              if ( $check && $user_id ) {
 *                      // Rehash using new hash.
 *                      wp_set_password($password, $user_id);
 *                      $hash = wp_hash_password($password);
 *              }
 */
                return apply_filters('check_password', $check, $password, $hash, $user_id);
        }

        // If the stored hash is longer than an MD5, presume the
        // new style phpass portable hash.
        if ( empty($wp_hasher) ) {
                require_once( ABSPATH . 'wp-includes/class-phpass.php');
                // By default, use the portable hash from phpass
                $wp_hasher = new PasswordHash(8, TRUE);
        }

        $check = $wp_hasher->CheckPassword($password, $hash);

        return apply_filters('check_password', $check, $password, $hash, $user_id);
}


/*

function wp_mail($to, $subject, $message, $from_email="", $from_name="") {
    $xoopsMailer =& getMailer();
    $xoopsMailer->useMail();
    $xoopsMailer->setToEmails($to);
    $xoopsMailer->setFromEmail( empty($from_email) ? $GLOBALS["xoopsConfig"]['adminmail'] : $from_email);
    $xoopsMailer->setFromName( empty($from_name) ? $GLOBALS["xoopsConfig"]['sitename'] : $from_name );
    $xoopsMailer->setSubject($subject);
    $xoopsMailer->setBody($message);
    return $xoopsMailer->send();
}

*/
/*
function auth_redirect($force = false, $message = "") {
        if(!is_object($GLOBALS["xoopsUser"])){
                header('Expires: Wed, 11 Jan 1984 05:00:00 GMT');
                header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
                header('Cache-Control: no-cache, must-revalidate, max-age=0');
                header('Pragma: no-cache');
        
                header('Location: ' . get_settings('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
                exit();
        }elseif(!empty($force)){
                $redirect = xoops_getenv("HTTP_REFERER");
                $redirect = (strpos($redirect, XOOPS_URL) === 0)? $redirect: XOOPS_URL."/".$redirect;
                redirect_header($redirect, 2, $message);
        }
}
*/
// ***********************************  End Of Pluggable Function Edit (wp-include/pluggable.php) ************************************

?>