0) $path = substr($_SERVER['REQUEST_URI'], 0, $p);
    else $path = $_SERVER['REQUEST_URI'];
    $path = path_format( substr($path, strlen($_SERVER['base_path'])) );
    return $path;
    //return spurlencode($path, '/');
}
function getGET()
{
    $p = strpos($_SERVER['REQUEST_URI'],'?');
    if ($p>0) {
        $getstr = substr($_SERVER['REQUEST_URI'], $p+1);
        $getstrarr = explode("&",$getstr);
        foreach ($getstrarr as $getvalues) {
            if ($getvalues != '') {
                $pos = strpos($getvalues, "=");
            //echo $pos;
                if ($pos > 0) {
                    $getarry[urldecode(substr($getvalues, 0, $pos))] = urldecode(substr($getvalues, $pos + 1));
                } else {
                    $getarry[urldecode($getvalues)] = true;
                }
            }
        }
    }
    if (isset($getarry)) {
        return $getarry;
    } else {
        return [];
    }
}
function get_refresh_token()
{
    global $constStr;
    $url = path_format($_SERVER['PHP_SELF'] . '/');
    if ($_GET['authorization_code'] && isset($_GET['code'])) {
        $tmp = curl_request($_SERVER['oauth_url'] . 'token', 'client_id=' . $_SERVER['client_id'] .'&client_secret=' . $_SERVER['client_secret'] . '&grant_type=authorization_code&requested_token_use=on_behalf_of&redirect_uri=' . $_SERVER['redirect_uri'] .'&code=' . $_GET['code']);
        if ($tmp['stat']==200) $ret = json_decode($tmp['body'], true);
        if (isset($ret['refresh_token'])) {
            $tmptoken = $ret['refresh_token'];
            $str = '
        refresh_token :
';
            /*for ($i=1;strlen($tmptoken)>0;$i++) {
                $t['t' . $i] = substr($tmptoken,0,128);
                $str .= '
            t' . $i . ':
';
                $tmptoken=substr($tmptoken,128);
            }
            $str .= '
        Add t1-t'.--$i.' to environments.*/
            $str .= '
        
        Adding refresh_token to Config.
        ';
            setConfig([ 'refresh_token' => $tmptoken, 'token_expires' => time()+30*24*60*60 ]);
            savecache('access_token', $ret['access_token'], $ret['expires_in'] - 60);
            $str .= '
            ';
            return message($str, getconstStr('WaitJumpIndex'));
        }
        return message('
' . $tmp['body'] . '
', $tmp['stat']);
        //return message('' . json_encode($ret, JSON_PRETTY_PRINT) . '
', 500);
    }
    if ($_GET['install3']) {
        if (getConfig('Onedrive_ver')=='MS' || getConfig('Onedrive_ver')=='CN' || getConfig('Onedrive_ver')=='MSC') {
            return message('
    '.getconstStr('JumptoOffice').'
    
    ', getconstStr('Wait').' 1s', 201);
        }
    }
    if ($_GET['install2']) {
        // echo $_POST['Onedrive_ver'];
        if ($_POST['Onedrive_ver']=='MS' || $_POST['Onedrive_ver']=='CN' || $_POST['Onedrive_ver']=='MSC') {
            $tmp['Onedrive_ver'] = $_POST['Onedrive_ver'];
            if ($_POST['Onedrive_ver']=='MSC') {
                $tmp['client_id'] = $_POST['client_id'];
                $tmp['client_secret'] = $_POST['client_secret'];
            }
            $response = json_decode(setConfig($tmp)['body'], true);
            $title = getconstStr('MayinEnv');
            $html = getconstStr('Wait') . ' 3s';
            if (isset($response['id'])&&isset($response['message'])) {
            $html = $response['id'] . '
' . $response['message'] . '
function_name:' . $_SERVER['function_name'] . '
';
            $title = 'Error';
            }
            return message($html, $title, 201);
        }
    }
    if ($_GET['install1']) {
        if ($_POST['admin']!='') {
            $tmp['admin'] = $_POST['admin'];
            $tmp['language'] = $_POST['language'];
            $APIKey = getConfig('APIKey');
            if ($APIKey=='') {
                $APIKey = $_POST['APIKey'];
                $tmp['APIKey'] = $APIKey;
            }
            $function_name = getConfig('function_name');
            if ($function_name=='') {
		        $tmp1 = substr($_SERVER['HTTP_HOST'], 0, strrpos($_SERVER['HTTP_HOST'], '.'));
		        $maindomain = substr($tmp1, strrpos($tmp1, '.')+1);
		        if ($maindomain=='herokuapp') $function_name = substr($tmp1, 0, strrpos($tmp1, '.'));
                else $function_name = 'visit from x.herokuapp.com';
                $tmp['function_name'] = $function_name;
	        }
            $response = json_decode(setHerokuConfig($tmp, $function_name, $APIKey)['body'], true);
            if (isset($response['id'])&&isset($response['message'])) {
                $html = $response['id'] . '
' . $response['message'] . '
function_name:' . $_SERVER['function_name'] . '
';
                $title = 'Error';
            } else {
                if ($constStr['language']!='zh-cn') {
                    $linklang='en-us';
                } else $linklang='zh-cn';
                $ru = "https://developer.microsoft.com/".$linklang."/graph/quick-start?appID=_appId_&appName=_appName_&redirectUrl=".$_SERVER['redirect_uri']."&platform=option-php";
                $deepLink = "/quickstart/graphIO?publicClientSupport=false&appName=OneManager&redirectUrl=".$_SERVER['redirect_uri']."&allowImplicitFlow=false&ru=".urlencode($ru);
                $app_url = "https://apps.dev.microsoft.com/?deepLink=".urlencode($deepLink);
                $html = '
    ';
                $title = 'Install';
            }
            return message($html, $title, 201);
        }
    }
    if ($_GET['install0']) {
        $html .= '
    
    ';
        $title = getconstStr('SelectLanguage');
        return message($html, $title, 201);
    }
    $html .= 'refresh_token not exist, click to install.';
    $title = 'Error';
    return message($html, $title, 201);
}
function getConfig($str)
{
    return getenv($str);
}
function setConfig($arr)
{
    return setHerokuConfig($arr, getConfig('function_name'), getConfig('APIKey'));
}
function HerokuAPI($method, $url, $data = '', $apikey)
{
    if ($method=='PATCH') {
        $headers['Content-Type'] = 'application/json';
    } 
    $headers['Authorization'] = 'Bearer ' . $apikey;
    $headers['Accept'] = 'application/vnd.heroku+json; version=3';
    //if (!isset($headers['Accept'])) $headers['Accept'] = '*/*';
    //if (!isset($headers['Referer'])) $headers['Referer'] = $url;
    $sendHeaders = array();
    foreach ($headers as $headerName => $headerVal) {
        $sendHeaders[] = $headerName . ': ' . $headerVal;
    }
    error_log($method . $url . $data . $apikey);
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST,$method);
    curl_setopt($ch, CURLOPT_POSTFIELDS,$data);
    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $sendHeaders);
    $response['body'] = curl_exec($ch);
    $response['stat'] = curl_getinfo($ch,CURLINFO_HTTP_CODE);
    curl_close($ch);
    error_log($response['stat'].'
'.$response['body'].'
');
    return $response;
}
function getHerokuConfig($function_name, $apikey)
{
    return HerokuAPI('GET', 'https://api.heroku.com/apps/' . $function_name . '/config-vars', '', $apikey);
}
function setHerokuConfig($env, $function_name, $apikey)
{
    $data = json_encode($env);
    return HerokuAPI('PATCH', 'https://api.heroku.com/apps/' . $function_name . '/config-vars', $data, $apikey);
}
function EnvOpt($function_name, $needUpdate = 0)
{
    global $constStr;
    $constEnv = [
        //'admin',
        'adminloginpage', 'domain_path', 'guestup_path', 'passfile',
        //'private_path', 
        'public_path', 'sitename', 'language', 'theme'
    ];
    asort($constEnv);
    $html = 'OneManager '.getconstStr('Setup').'';
    /*if ($_POST['updateProgram']==getconstStr('updateProgram')) {
        $response = json_decode(updataProgram($function_name, $Region, $namespace), true)['Response'];
        if (isset($response['Error'])) {
            $html = $response['Error']['Code'] . '
' . $response['Error']['Message'] . '
function_name:' . $_SERVER['function_name'] . '
Region:' . $_SERVER['Region'] . '
namespace:' . $namespace . '
';
            $title = 'Error';
        } else {
            $html .= getconstStr('UpdateSuccess') . '
';
            $title = getconstStr('Setup');
        }
        return message($html, $title);
    }*/
    if ($_POST['submit1']) {
        foreach ($_POST as $k => $v) {
            if (in_array($k, $constEnv)) {
                if (!(getConfig($k)==''&&$v=='')) $tmp[$k] = $v;
            }
        }
        /*if ($tmp['domain_path']!='') {
            $tmp1 = explode("|",$tmp['domain_path']);
            $tmparr = [];
            foreach ($tmp1 as $multidomain_paths){
                $pos = strpos($multidomain_paths,":");
                if ($pos>0) $tmparr[substr($multidomain_paths, 0, $pos)] = path_format(substr($multidomain_paths, $pos+1));
            }
            $tmp['domain_path'] = $tmparr;
        }*/
        $response = setConfig($tmp);
        if (!$response) {
            $html = $response . '
';
            $title = 'Error';
        } else {
            $html .= '';
        }
    }
    if ($_GET['preview']) {
        $preurl = $_SERVER['PHP_SELF'] . '?preview';
    } else {
        $preurl = path_format($_SERVER['PHP_SELF'] . '/');
    }
    $html .= '
        '.getconstStr('Back').'   
        Github
';
    /*if ($needUpdate) {
        $html .= '' . $_SERVER['github_version'] . '
        ';
    } else {
        $html .= getconstStr('NotNeedUpdate');
    }*/
    $html .= '
    ';
    return message($html, getconstStr('Setup'));
}