<?php
class passport_discuz extends modelFactory {

    var $passport_name = "Discuz论坛V6.0";
    var $passport_memo = "";
    var $_config = null;
    var $forward=1;
    function setConfig($config) {
        $this->_config = $config;
    }
  
    function verifylogin($login,$passwd){

    }

    function decode($responseData){

    }

    function getoptions() {
        return array(
            'URL'=>array('label'=>'论坛系统URL：','type'=>'input'),
            'PrivateKey'=>array('label'=>'连接私钥：','type'=>'input'),
            'encoding'=>array('label'=>'论坛系统编码：','type'=>'select','options'=>array('utf8' => '国际化编码(utf-8)','zh' => '简体中文','big5' => '繁体中文','en' => '英文')),
        );
    }

    /**
    *    CHECK DISCUZ INPUT KEY
    */
    function validKey(){
        $passport_key = $this->system->getConf('plugin.passport.discuz.config.PrivateKey');
        if($_GET['verify'] != md5($_GET['action'].$_GET['auth'].$_GET['forward'].$passport_key)) {
            return false;
        }
        return $passport_key;
    }


    function ssoSignin(){
        /*
        * discuz sign in 
        */
        switch($_GET['action'] ){
            case 'login':
                return $this->ssoLogin();
            case 'logout':
                return $this->ssoLoginOut();
        }
    }
    
    function ssoLoginOut(){
        return false;
    }
    function ssoLogin(){
        $passport_key=$this->validKey();
        if(!$passport_key){
            return false;
        }
        $oPassport = $this->system->loadModel('member/passport');
        parse_str($oPassport->passport_decrypt($_GET['auth'], $passport_key), $member);
        if (true || $SITE_EODING=="UTF-8"){
            if($this->_config['encoding']!='utf8'){
                $charset = $this->system->loadModel('utility/charset');
                foreach($member as $index => $value){
                    $member[$index] = $charset->local2utf($value);
                }
            }
        }        
        $memberObj = $this->system->loadModel('member/account');
        $info=$memberObj->verifyPassportLogin($member);
        if(!$info){
            $info = $memberObj->createPassport($member);
            if(!$info){
                return false;
            }
            return $memberObj->toLogin($member);
        }
        return $memberObj->toLogin($member);

    }



    function login($userId, $rurl) {
        $oMember = $this->system->loadModel('member/member');
        $aMember = $oMember->getFieldById($userId);
        $username = $aMember['uname'];

        if (true || $SITE_EODING=="UTF-8"){
            if($this->_config['encoding']!='utf8'){
                $username = utf2local($username,$this->_config['encoding']);
            }
        }

        $member = array(
            'cookietime'    => 31536000,
            'time'        => time(),
            'username'    => $username,
            'password'    => $aMember['password'],
            'gender'    => $aMember['sex'],
            'email'        => $aMember['email'],
            'credits'    => $aMember['point'],
            'regip'        => $aMember['reg_ip'],
            'regdate'    => $aMember['regtime'],
            'qq'        => ''
        );
        
        $auth = passport_encrypt(passport_encode($member), $this->_config['PrivateKey']);
        if (substr($this->_config['URL'],-1)=="/")
               $shop_loginapi_url = $this->_config['URL']."api/shopex.php";
        else{
            if (strtoupper(substr($this->_config['URL'],-10,6))=="SHOPEX")
                $shop_loginapi_url=$this->_config['URL'];
            else
                $shop_loginapi_url = $this->_config['URL']."/api/shopex.php";
        }
        header('Location: '.$shop_loginapi_url.'?action=login&auth='.rawurlencode($auth).'&forward='.rawurlencode($rurl).'&verify='.md5('login'.$auth.$rurl.$this->_config['PrivateKey']));
        exit;
    }

    function regist($userId,$rurl) {
        $oMember = $this->system->loadModel('member/member');
        $aMember = $oMember->getFieldById($userId);
        $username = $aMember['uname'];
        if(true || $SITE_EODING=="UTF-8"){
            if($this->_config['encoding']!='utf8'){
                $username = utf2local($username,$this->_config['encoding']);
            }
        }

        $member = array(
            'cookietime'    => 31536000,
            'time'        => time(),
            'username'    => $username,
            'password'    => $aMember['password'],
            'gender'    => $aMember['sex'],
            'email'        => $aMember['email'],
            'credits'    => $aMember['point'],
            'regip'        => $aMember['reg_ip'],
            'regdate'    => $aMember['regtime'],
            'qq'        => ''
        );
        $rurl.="index.php?passport-create.html";
        $this->setPlugCookie(1);
        $auth = passport_encrypt(passport_encode($member), $this->_config['PrivateKey']);
        $shop_loginapi_url = substr($this->_config['URL'],-1)=="/"?$this->_config['URL']."api/shopex.php":$this->_config['URL'];
        header('Location: '.$shop_loginapi_url.'?action=login&auth='.rawurlencode($auth).'&forward='.rawurlencode($rurl).'&verify='.md5('login'.$auth.$rurl.$this->_config['PrivateKey']));
        exit;            
    }    

    function logout($userId,$rurl) {
        $shop_loginapi_url = substr($this->_config['URL'],-1)=="/"?$this->_config['URL']."api/shopex.php":$this->_config['URL'];
        header('Location: '.$shop_loginapi_url.'?action=logout&forward='.rawurlencode($rurl).'&verify='.md5('logout'.$rurl.$this->_config['PrivateKey']));
        exit;
            
    }
     function getPlugCookie(){
        $account = $this->system->loadModel('member/account');
        return $account->getPlugCookie('CType');
    }
    function setPlugCookie($val){
        $account = $this->system->loadModel('member/account');
        if ($val) 
            $account->setPlugCookie('CType','discuzz');
        else
            $account->setPlugCookie('CType','');
    }
}

/*******外挂系统数据加密*********/
function passport_encrypt($txt, $key) {
    srand((double)microtime() * 1000000);
    $encrypt_key = md5(rand(0, 32000));
    $ctr = 0;
    $tmp = '';
    for($i = 0;$i < strlen($txt); $i++) {
        $ctr = $ctr == strlen($encrypt_key) ? 0 : $ctr;
        $tmp .= $encrypt_key[$ctr].($txt[$i] ^ $encrypt_key[$ctr++]);
    }
    return base64_encode(passport_key($tmp, $key));
}

function passport_decrypt($txt, $key) {
    $txt = passport_key(base64_decode($txt), $key);
    $tmp = '';
    for ($i = 0;$i < strlen($txt); $i++) {
        $md5 = $txt[$i];
        $tmp .= $txt[++$i] ^ $md5;
    }
    return $tmp;
}

function passport_key($txt, $encrypt_key) {
    $encrypt_key = md5($encrypt_key);
    $ctr = 0;
    $tmp = '';
    for($i = 0; $i < strlen($txt); $i++) {
        $ctr = $ctr == strlen($encrypt_key) ? 0 : $ctr;
        $tmp .= $txt[$i] ^ $encrypt_key[$ctr++];
    }
    return $tmp;
}

function passport_encode($array) {
        $arrayenc = array();
        foreach($array as $key => $val) {
            $arrayenc[] = $key.'='.urlencode($val);
        }
        return implode('&', $arrayenc);
}
/*******end of 外挂系统数据加密*********/    

?>