Program: CWE-352
Project: CVE-2021-3776
Buggy source:
<?php
namespace Api\Controller;
use Think\Controller;
class UserController extends BaseController {


    //注册
    public function register(){
        $username = trim(I("username"));
        $password = I("password");
        $confirm_password = I("confirm_password");
        $v_code = I("v_code");
        $register_open = D("Options")->get("register_open" ) ;
        if ($register_open === '0') {
           $this->sendError(10101,"管理员已关闭注册");
           return ;
        }
        if (C('CloseVerify') || $v_code && $v_code == session('v_code') ) {
        session('v_code',null) ;
        if ( $password != '' && $password == $confirm_password) {

            if(!D("User")->checkDbOk()){
                $this->sendError(100100,"数据库连接不上。请确保安装了php-sqlite扩展以及数据库文件Sqlite/showdoc.db.php可用");
                return;
            }

            if ( ! D("User")->isExist($username) ) {
                $new_uid = D("User")->register($username,$password);
                if ($new_uid) {

                    $create_sample = D("Options")->get("create_sample") ;
                    //获取后台的语言设置
                    //这是个历史包袱。因为安装的时候语言设置没有写到API模块的配置下，所以只能读文件读取Home模快的配置文件
                    $config = file_get_contents("./Application/Home/Conf/config.php");
                    if ($create_sample !== '0' && strstr($config, "'zh-cn',") ) {
                        //导入示例项目
                        $this->_importSample($new_uid);
                    }

                    //设置自动登录
                    $ret = D("User")->where("uid = '$new_uid' ")->find() ;
                    unset($ret['password']);
                    session("login_user" , $ret );
                    $token = D("UserToken")->createToken($ret['uid']);
                    cookie('cookie_token',$token,array('expire'=>60*60*24*90,'httponly'=>'httponly'));//此处由服务端控制token是否过期，所以cookies过期时间设置多久都无所谓
                  $this->sendResult(array(
                    "uid" => $ret['uid'] ,
                    "username" => $ret['username'] ,
                    "name" => $ret['name'] ,
                    "groupid" => $ret['groupid'] ,
                    "avatar" => $ret['avatar'] ,
                    "avatar_small" => $ret['avatar_small'] ,
                    "email" => $ret['email'] ,
                    "email_verify" => $ret['email_verify'] ,
                    "user_token" => $token ,
                )); 

                }else{
                    $this->sendError(10101,'register fail');
                }
            }else{
                $this->sendError(10101,L('username_exists'));
            }

        }else{
            $this->sendError(10101,L('code_much_the_same'));
        }
        }else{
            $this->sendError(10206,L('verification_code_are_incorrect'));
        }
    }

    //导入示例项目
    private function _importSample($uid){
        $this->_importZip("../Public/SampleZip/apidoc.zip" , $uid);
        $this->_importZip("../Public/SampleZip/databasedoc.zip" , $uid);
        $this->_importZip("../Public/SampleZip/teamdoc.zip" , $uid);
        $this->_importZip("../Public/SampleZip/spreadsheet.zip" , $uid);
    }

    private function _importZip($file , $uid){
        $zipArc = new \ZipArchive();
        $ret = $zipArc->open($file, \ZipArchive::CREATE);
        $info = $zipArc->getFromName("prefix_info.json") ;
        if ($info) {
            $info_array = json_decode($info ,1 );
            if ($info_array) {
                D("Item")->import( json_encode($info_array) , $uid );
                return true;
            }
        }
        return false ;
    }

    //登录
    public function login(){
        $username = trim(I("username"));
        $password = I("password");
        $v_code = I("v_code");
        if (!$password) {
                $this->sendError(10206,"no empty password");
                return;
        }
        //检查用户输错密码的次数。如果超过一定次数，则需要验证 验证码
        $key= 'login_fail_times_'.$username;
        if(!D("VerifyCode")->_check_times($key)){
            if (!$v_code || $v_code != session('v_code')) {
                $this->sendError(10206,L('verification_code_are_incorrect'));
                return;
            }
        }
        session('v_code',null) ;

        if(!D("User")->checkDbOk()){
            $this->sendError(100100,"数据库连接不上。请确保安装了php-sqlite扩展以及数据库文件Sqlite/showdoc.db.php可用");
            return;
        }

        $ret = D("User")->checkLogin($username,$password);
        //如果失败则尝试ldap登录
        if (!$ret) {
            $ret = D("User")->checkLdapLogin($username,$password);
        }
        if ($ret) {
            //获取后台的语言设置
            //这是个历史包袱。因为安装的时候语言设置没有写到API模块的配置下，所以只能读文件读取Home模快的配置文件
            $config = file_get_contents("./Application/Home/Conf/config.php");

            if (D("Item")->count() < 1 && strstr($config, "'zh-cn',") ) {
                //如果项目表是空的，则生成系统示例项目
                $this->_importSample(1);
            }
          unset($ret['password']);
          session("login_user" , $ret );
          D("User")->setLastTime($ret['uid']);
          $token = D("UserToken")->createToken($ret['uid'],60*60*24*180);
          cookie('cookie_token',$token,array('expire'=>60*60*24*180,'httponly'=>'httponly'));//此处由服务端控制token是否过期，所以cookies过期时间设置多久都无所谓
          $this->sendResult(array(
            "uid" => $ret['uid'] ,
            "username" => $ret['username'] ,
            "name" => $ret['name'] ,
            "groupid" => $ret['groupid'] ,
            "avatar" => $ret['avatar'] ,
            "avatar_small" => $ret['avatar_small'] ,
            "email" => $ret['email'] ,
            "email_verify" => $ret['email_verify'] ,
            "user_token" => $token ,
        ));              
        }else{
            D("VerifyCode")->_ins_times($key);//输错密码则设置输错次数
            
            if(D("VerifyCode")->_check_times($key)){
                $error_code = 10204 ;
            }else{
                $error_code = 10210 ;
            }
            $this->sendError($error_code,L('username_or_password_incorrect'));
            return;
        }
        
    }
    
    //登录2
    public function loginByVerify(){
        $username = I("username");
        $password = I("password");
        $captcha_id = I("captcha_id");
        $captcha = I("captcha");
        
        if ( !D("Captcha")->check($captcha_id , $captcha) ) {
            $this->sendError(10206,L('verification_code_are_incorrect'));
            return;
        }
        $ret = D("User")->checkLogin($username,$password);
        //如果失败则尝试ldap登录
        if (!$ret) {
            $ret = D("User")->checkLdapLogin($username,$password);
        }
        
        if ($ret) {
            
            //获取后台的语言设置
            //这是个历史包袱。因为安装的时候语言设置没有写到API模块的配置下，所以只能读文件读取Home模快的配置文件
            $config = file_get_contents("./Application/Home/Conf/config.php");

            if (D("Item")->count() < 1 && strstr($config, "'zh-cn',") ) {
                //如果项目表是空的，则生成系统示例项目
                $this->_importSample(1);
            }

          unset($ret['password']);
          session("login_user" , $ret );
          D("User")->setLastTime($ret['uid']);
          $token = D("UserToken")->createToken($ret['uid'], 60*60*24*180);
          $this->sendResult(array(
            "uid" => $ret['uid'] ,
            "username" => $ret['username'] ,
            "name" => $ret['name'] ,
            "groupid" => $ret['groupid'] ,
            "avatar" => $ret['avatar'] ,
            "avatar_small" => $ret['avatar_small'] ,
            "email" => $ret['email'] ,
            "email_verify" => $ret['email_verify'] ,
            "user_token" => $token ,
            )); 

        }else{
            $this->sendError(10204,L('username_or_password_incorrect'));
            return;
        }
        
    }

    //注册2
    public function registerByVerify(){
        $username = trim(I("username"));
        $password = I("password");
        $confirm_password = I("confirm_password");
        $captcha_id = I("captcha_id");
        $captcha = I("captcha");
        $register_open = D("Options")->get("register_open" ) ;
        if ($register_open === '0') {
           $this->sendError(10101,"管理员已关闭注册");
           return ;
        }
        if ( !D("Captcha")->check($captcha_id , $captcha) ) {
            $this->sendError(10206,L('verification_code_are_incorrect'));
            return;
        }
        if ( $password != '' && $password == $confirm_password) {

            if ( ! D("User")->isExist($username) ) {
                $new_uid = D("User")->register($username,$password);
                if ($new_uid) {

                    $create_sample = D("Options")->get("create_sample") ;
                    //获取后台的语言设置
                    //这是个历史包袱。因为安装的时候语言设置没有写到API模块的配置下，所以只能读文件读取Home模快的配置文件
                    $config = file_get_contents("./Application/Home/Conf/config.php");
                    if ($create_sample !== '0' && strstr($config, "'zh-cn',") ) {
                        //导入示例项目
                        $this->_importSample($new_uid);
                    }

                    //设置自动登录
                    $ret = D("User")->where("uid = '$new_uid' ")->find() ;
                    unset($ret['password']);
                    session("login_user" , $ret );
                    $token = D("UserToken")->createToken($ret['uid']);
                    cookie('cookie_token',$token,array('expire'=>60*60*24*90,'httponly'=>'httponly'));//此处由服务端控制token是否过期，所以cookies过期时间设置多久都无所谓
                    
                    $this->sendResult(array(
                        "uid" => $ret['uid'] ,
                        "username" => $ret['username'] ,
                        "name" => $ret['name'] ,
                        "groupid" => $ret['groupid'] ,
                        "avatar" => $ret['avatar'] ,
                        "avatar_small" => $ret['avatar_small'] ,
                        "email" => $ret['email'] ,
                        "user_token" => $token ,
                    ));

                }else{
                    $this->sendError(10101,'register fail');
                }
            }else{
                $this->sendError(10101,L('username_exists'));
            }

        }else{
            $this->sendError(10101,L('code_much_the_same'));
        }

    }

    //获取用户信息
    public function info(){
        $login_user = $this->checkLogin();
        $uid = $login_user['uid'] ;
        $field = "uid,username,email,name,avatar,avatar_small,groupid" ;
        $info = D("User")->where(" uid = '$uid' ")->field($field)->find();
        $this->sendResult($info); 
    }

    //获取所有用户名
    public function allUser(){
        $login_user = $this->checkLogin();
        $uid = $login_user['uid'] ;
        $username = I("username");
        $field = "username , uid , name" ;
        if ($username) {
            $username = \SQLite3::escapeString($username) ;
            $where = " username like '%{$username}%'" ;
        }else{
            $where = ' 1 = 1 ';
        }
        $info = D("User")->where($where)->field($field)->select();
        $this->sendResult($info); 
    }

    //通过旧密码验证来更新用户密码
    public function resetPassword(){
        $login_user = $this->checkLogin();
        $username = $login_user['username'];
        $password = I("password");
        $new_password = I("new_password");
        $ret = D("User")->checkLogin($username,$password);
        if ($ret) {
                $ret = D("User")->updatePwd($login_user['uid'],$new_password);
                if ($ret) {
                    D("UserToken")->where("  uid = '%d' " ,array($login_user['uid']) )->delete();
                    $this->sendResult(array());
                }else{
                    $this->sendError(10101,L('modify_faild'));
                }

        }else{  
            $this->sendError(10101,L('old_password_incorrect'));
        }
    }
    
    //退出登录
    public function logout(){
        $login_user = $this->checkLogin();
        D("UserToken")->where(" uid = '$login_user[uid]' ")->save(array("token_expire"=>0));
        session("login_user" , NULL);
        cookie('cookie_token',NULL);
        session(null);
        $this->sendResult(array());
    }


    public function updateInfo(){
        $user = $this->checkLogin();
        $uid = $user['uid'];
        $name = I("name");

        D("User")->where(" uid = '$uid' ")->save(array("name"=>$name));
        $this->sendResult(array());

    }

    public function oauthInfo(){
        $oauth2_open = D("Options")->get("oauth2_open" ) ;
        $oauth2_form = D("Options")->get("oauth2_form" ) ;
        $oauth2_entrance_tips = '';
        if($oauth2_form){
            $oauth2_form = json_decode($oauth2_form,1);
            if($oauth2_form && $oauth2_form['entrance_tips']){
                $oauth2_entrance_tips = $oauth2_form['entrance_tips'] ;
            }
        }
        $this->sendResult(array(
            "oauth2_open" => $oauth2_open ,
            "oauth2_entrance_tips" => $oauth2_entrance_tips ,
        ));

    }




}


Fixed version (ground truth):
<?php
namespace Api\Controller;
use Think\Controller;
class UserController extends BaseController {


    //注册
    public function register(){
        $username = trim(I("username"));
        $password = I("password");
        $confirm_password = I("confirm_password");
        $v_code = I("v_code");
        $register_open = D("Options")->get("register_open" ) ;
        if ($register_open === '0') {
           $this->sendError(10101,"管理员已关闭注册");
           return ;
        }
        if (C('CloseVerify') || $v_code && $v_code == session('v_code') ) {
        session('v_code',null) ;
        if ( $password != '' && $password == $confirm_password) {

            if(!D("User")->checkDbOk()){
                $this->sendError(100100,"数据库连接不上。请确保安装了php-sqlite扩展以及数据库文件Sqlite/showdoc.db.php可用");
                return;
            }

            if ( ! D("User")->isExist($username) ) {
                $new_uid = D("User")->register($username,$password);
                if ($new_uid) {

                    $create_sample = D("Options")->get("create_sample") ;
                    //获取后台的语言设置
                    //这是个历史包袱。因为安装的时候语言设置没有写到API模块的配置下，所以只能读文件读取Home模快的配置文件
                    $config = file_get_contents("./Application/Home/Conf/config.php");
                    if ($create_sample !== '0' && strstr($config, "'zh-cn',") ) {
                        //导入示例项目
                        $this->_importSample($new_uid);
                    }

                    //设置自动登录
                    $ret = D("User")->where("uid = '$new_uid' ")->find() ;
                    unset($ret['password']);
                    session("login_user" , $ret );
                    $token = D("UserToken")->createToken($ret['uid']);
                    if(version_compare(PHP_VERSION,'7.3.0','>')){
                        setcookie('cookie_token',$token,array('expires'=>time()+60*60*24*180,'httponly'=>'httponly','samesite' => 'Strict','path'=>'/'));
                      }else{
                        cookie('cookie_token',$token,array('expire'=>60*60*24*180,'httponly'=>'httponly'));
                    }
                    $this->sendResult(array(
                    "uid" => $ret['uid'] ,
                    "username" => $ret['username'] ,
                    "name" => $ret['name'] ,
                    "groupid" => $ret['groupid'] ,
                    "avatar" => $ret['avatar'] ,
                    "avatar_small" => $ret['avatar_small'] ,
                    "email" => $ret['email'] ,
                    "email_verify" => $ret['email_verify'] ,
                    "user_token" => $token ,
                )); 

                }else{
                    $this->sendError(10101,'register fail');
                }
            }else{
                $this->sendError(10101,L('username_exists'));
            }

        }else{
            $this->sendError(10101,L('code_much_the_same'));
        }
        }else{
            $this->sendError(10206,L('verification_code_are_incorrect'));
        }
    }

    //导入示例项目
    private function _importSample($uid){
        $this->_importZip("../Public/SampleZip/apidoc.zip" , $uid);
        $this->_importZip("../Public/SampleZip/databasedoc.zip" , $uid);
        $this->_importZip("../Public/SampleZip/teamdoc.zip" , $uid);
        $this->_importZip("../Public/SampleZip/spreadsheet.zip" , $uid);
    }

    private function _importZip($file , $uid){
        $zipArc = new \ZipArchive();
        $ret = $zipArc->open($file, \ZipArchive::CREATE);
        $info = $zipArc->getFromName("prefix_info.json") ;
        if ($info) {
            $info_array = json_decode($info ,1 );
            if ($info_array) {
                D("Item")->import( json_encode($info_array) , $uid );
                return true;
            }
        }
        return false ;
    }

    //登录
    public function login(){
        $username = trim(I("username"));
        $password = I("password");
        $v_code = I("v_code");
        if (!$password) {
                $this->sendError(10206,"no empty password");
                return;
        }
        //检查用户输错密码的次数。如果超过一定次数，则需要验证 验证码
        $key= 'login_fail_times_'.$username;
        if(!D("VerifyCode")->_check_times($key)){
            if (!$v_code || $v_code != session('v_code')) {
                $this->sendError(10206,L('verification_code_are_incorrect'));
                return;
            }
        }
        session('v_code',null) ;

        if(!D("User")->checkDbOk()){
            $this->sendError(100100,"数据库连接不上。请确保安装了php-sqlite扩展以及数据库文件Sqlite/showdoc.db.php可用");
            return;
        }

        $ret = D("User")->checkLogin($username,$password);
        //如果失败则尝试ldap登录
        if (!$ret) {
            $ret = D("User")->checkLdapLogin($username,$password);
        }
        if ($ret) {
            //获取后台的语言设置
            //这是个历史包袱。因为安装的时候语言设置没有写到API模块的配置下，所以只能读文件读取Home模快的配置文件
            $config = file_get_contents("./Application/Home/Conf/config.php");

            if (D("Item")->count() < 1 && strstr($config, "'zh-cn',") ) {
                //如果项目表是空的，则生成系统示例项目
                $this->_importSample(1);
            }
          unset($ret['password']);
          session("login_user" , $ret );
          D("User")->setLastTime($ret['uid']);
          $token = D("UserToken")->createToken($ret['uid'],60*60*24*180);
          if(version_compare(PHP_VERSION,'7.3.0','>')){
            setcookie('cookie_token',$token,array('expires'=>time()+60*60*24*180,'httponly'=>'httponly','samesite' => 'Strict','path'=>'/'));
          }else{
            cookie('cookie_token',$token,array('expire'=>60*60*24*180,'httponly'=>'httponly'));
          }
          $this->sendResult(array(
            "uid" => $ret['uid'] ,
            "username" => $ret['username'] ,
            "name" => $ret['name'] ,
            "groupid" => $ret['groupid'] ,
            "avatar" => $ret['avatar'] ,
            "avatar_small" => $ret['avatar_small'] ,
            "email" => $ret['email'] ,
            "email_verify" => $ret['email_verify'] ,
            "user_token" => $token ,
        ));              
        }else{
            D("VerifyCode")->_ins_times($key);//输错密码则设置输错次数
            
            if(D("VerifyCode")->_check_times($key)){
                $error_code = 10204 ;
            }else{
                $error_code = 10210 ;
            }
            $this->sendError($error_code,L('username_or_password_incorrect'));
            return;
        }
        
    }
    
    //登录2
    public function loginByVerify(){
        $username = I("username");
        $password = I("password");
        $captcha_id = I("captcha_id");
        $captcha = I("captcha");
        
        if ( !D("Captcha")->check($captcha_id , $captcha) ) {
            $this->sendError(10206,L('verification_code_are_incorrect'));
            return;
        }
        $ret = D("User")->checkLogin($username,$password);
        //如果失败则尝试ldap登录
        if (!$ret) {
            $ret = D("User")->checkLdapLogin($username,$password);
        }
        
        if ($ret) {
            
            //获取后台的语言设置
            //这是个历史包袱。因为安装的时候语言设置没有写到API模块的配置下，所以只能读文件读取Home模快的配置文件
            $config = file_get_contents("./Application/Home/Conf/config.php");

            if (D("Item")->count() < 1 && strstr($config, "'zh-cn',") ) {
                //如果项目表是空的，则生成系统示例项目
                $this->_importSample(1);
            }

          unset($ret['password']);
          session("login_user" , $ret );
          D("User")->setLastTime($ret['uid']);
          $token = D("UserToken")->createToken($ret['uid'], 60*60*24*180);
          $this->sendResult(array(
            "uid" => $ret['uid'] ,
            "username" => $ret['username'] ,
            "name" => $ret['name'] ,
            "groupid" => $ret['groupid'] ,
            "avatar" => $ret['avatar'] ,
            "avatar_small" => $ret['avatar_small'] ,
            "email" => $ret['email'] ,
            "email_verify" => $ret['email_verify'] ,
            "user_token" => $token ,
            )); 

        }else{
            $this->sendError(10204,L('username_or_password_incorrect'));
            return;
        }
        
    }

    //注册2
    public function registerByVerify(){
        $username = trim(I("username"));
        $password = I("password");
        $confirm_password = I("confirm_password");
        $captcha_id = I("captcha_id");
        $captcha = I("captcha");
        $register_open = D("Options")->get("register_open" ) ;
        if ($register_open === '0') {
           $this->sendError(10101,"管理员已关闭注册");
           return ;
        }
        if ( !D("Captcha")->check($captcha_id , $captcha) ) {
            $this->sendError(10206,L('verification_code_are_incorrect'));
            return;
        }
        if ( $password != '' && $password == $confirm_password) {

            if ( ! D("User")->isExist($username) ) {
                $new_uid = D("User")->register($username,$password);
                if ($new_uid) {

                    $create_sample = D("Options")->get("create_sample") ;
                    //获取后台的语言设置
                    //这是个历史包袱。因为安装的时候语言设置没有写到API模块的配置下，所以只能读文件读取Home模快的配置文件
                    $config = file_get_contents("./Application/Home/Conf/config.php");
                    if ($create_sample !== '0' && strstr($config, "'zh-cn',") ) {
                        //导入示例项目
                        $this->_importSample($new_uid);
                    }

                    //设置自动登录
                    $ret = D("User")->where("uid = '$new_uid' ")->find() ;
                    unset($ret['password']);
                    session("login_user" , $ret );
                    $token = D("UserToken")->createToken($ret['uid']);
                    if(version_compare(PHP_VERSION,'7.3.0','>')){
                        setcookie('cookie_token',$token,array('expires'=>time()+60*60*24*180,'httponly'=>'httponly','samesite' => 'Strict','path'=>'/'));
                      }else{
                        cookie('cookie_token',$token,array('expire'=>60*60*24*180,'httponly'=>'httponly'));
                    }                    
                    $this->sendResult(array(
                        "uid" => $ret['uid'] ,
                        "username" => $ret['username'] ,
                        "name" => $ret['name'] ,
                        "groupid" => $ret['groupid'] ,
                        "avatar" => $ret['avatar'] ,
                        "avatar_small" => $ret['avatar_small'] ,
                        "email" => $ret['email'] ,
                        "user_token" => $token ,
                    ));

                }else{
                    $this->sendError(10101,'register fail');
                }
            }else{
                $this->sendError(10101,L('username_exists'));
            }

        }else{
            $this->sendError(10101,L('code_much_the_same'));
        }

    }

    //获取用户信息
    public function info(){
        $login_user = $this->checkLogin();
        $uid = $login_user['uid'] ;
        $field = "uid,username,email,name,avatar,avatar_small,groupid" ;
        $info = D("User")->where(" uid = '$uid' ")->field($field)->find();
        $this->sendResult($info); 
    }

    //获取所有用户名
    public function allUser(){
        $login_user = $this->checkLogin();
        $uid = $login_user['uid'] ;
        $username = I("username");
        $field = "username , uid , name" ;
        if ($username) {
            $username = \SQLite3::escapeString($username) ;
            $where = " username like '%{$username}%'" ;
        }else{
            $where = ' 1 = 1 ';
        }
        $info = D("User")->where($where)->field($field)->select();
        $this->sendResult($info); 
    }

    //通过旧密码验证来更新用户密码
    public function resetPassword(){
        $login_user = $this->checkLogin();
        $username = $login_user['username'];
        $password = I("password");
        $new_password = I("new_password");
        $ret = D("User")->checkLogin($username,$password);
        if ($ret) {
                $ret = D("User")->updatePwd($login_user['uid'],$new_password);
                if ($ret) {
                    D("UserToken")->where("  uid = '%d' " ,array($login_user['uid']) )->delete();
                    $this->sendResult(array());
                }else{
                    $this->sendError(10101,L('modify_faild'));
                }

        }else{  
            $this->sendError(10101,L('old_password_incorrect'));
        }
    }
    
    //退出登录
    public function logout(){
        $login_user = $this->checkLogin();
        D("UserToken")->where(" uid = '$login_user[uid]' ")->save(array("token_expire"=>0));
        session("login_user" , NULL);
        cookie('cookie_token',NULL);
        session(null);
        $this->sendResult(array());
    }


    public function updateInfo(){
        $user = $this->checkLogin();
        $uid = $user['uid'];
        $name = I("name");

        D("User")->where(" uid = '$uid' ")->save(array("name"=>$name));
        $this->sendResult(array());

    }

    public function oauthInfo(){
        $oauth2_open = D("Options")->get("oauth2_open" ) ;
        $oauth2_form = D("Options")->get("oauth2_form" ) ;
        $oauth2_entrance_tips = '';
        if($oauth2_form){
            $oauth2_form = json_decode($oauth2_form,1);
            if($oauth2_form && $oauth2_form['entrance_tips']){
                $oauth2_entrance_tips = $oauth2_form['entrance_tips'] ;
            }
        }
        $this->sendResult(array(
            "oauth2_open" => $oauth2_open ,
            "oauth2_entrance_tips" => $oauth2_entrance_tips ,
        ));

    }




}