php – WordPress用户身份验证过程

我正在构建一个wordpress系统,我想从外部源代替wordpress DB验证用户.我正在使用wsdl服务与外部数据库通信,我根据他们的凭据获得正确的用户信息.但是我没有得到如何进一步处理获得的结果.有人请帮帮我.

以下是我到目前为止所做的步骤

在pluggable.php中创建自定义函数并在user.php中调用它

function wp_authenticate_username_password($user,$username,$password) {
    if ( is_a($user,'WP_User') ) { return $user; }
    if ( empty($username) || empty($password) ) {
        if ( is_wp_error( $user ) )
            return $user;

        $error = new WP_Error();

        if ( empty($username) )
            $error->add('empty_username',__('<strong>ERROR</strong>: The username field is empty.'));

        if ( empty($password) )
            $error->add('empty_password',__('<strong>ERROR</strong>: The password field is empty.'));

        return $error;
    }

    //$user = get_user_by('login',$username);  /*Replaced it with the below*/

    $user = validate_ep($username,$password);    

    echo "<pre>";
    print_r($user);  /*Produces the result in step 3*/
    echo "</pre>";
    exit;

pluggable.php中的自定义函数,与我的外部数据库通信

function validate_ep($username,$userpwd) { 
    $wsdl = "my web service path";
    $client = new SoapClient($wsdl); //(Parameter is the wsdl file in which the services are written.
    $newObj = new stdClass;
    $user_name = ucfirst($username);
    $user_pwd = md5($userpwd);
    $display_type = 'wp';

    try {
        $result = $client->log_process(array(0 => $user_name,1 => $user_pwd,2 => $display_type));              
        if ($result==FALSE)
            return FALSE;
        foreach($result->item as $key=>$valObj) {
            if(!is_numeric($valObj->key)) {
                $newObj->{$valObj->key} = $valObj->value;
            }
        }               

        /*$actual = unserialize(base64_decode($result));*/
        if (count($result) > 0) {
            $user = new WP_User;
            $user->init($newObj);
            return $user;
        }
    } catch (SoapFault $exp) {
        //print_r( $exp->getMessage());               
    }
    return false;
}

从Web服务返回的结果

WP_User Object
(
    [data] => stdClass Object
    (
        [id] => ID
        [organization] => ID
        [login] => UserName
        [password] => ***
        [name] => Name

    )

    [ID] => 0
    [caps] => Array
    (
    )

    [cap_key] => wp_capabilities
    [roles] => Array
    (
    )

    [allcaps] => Array
    (
    )

    [filter] => 
)

有人请帮助我在这些步骤后做些什么.