0) $path = substr($_SERVER['REQUEST_URI'], 0, $p);
    else $path = $_SERVER['REQUEST_URI'];
    $path = path_format( substr($path, strlen($_SERVER['base_path'])) );
    return substr($path, 1);
    //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 $getarry;
    } else {
        return [];
    }
}
function getConfig($str, $disktag = '')
{
    global $InnerEnv;
    global $Base64Env;
    //include 'config.php';
    if ($disktag=='') $disktag = $_SERVER['disktag'];
    $s = file_get_contents('config.php');
    $configs = substr($s, 18, -2);
    if ($configs!='') {
        $envs = json_decode($configs, true);
        if (in_array($str, $InnerEnv)) {
            if (in_array($str, $Base64Env)) return equal_replace($envs[$disktag][$str],1);
            else return $envs[$disktag][$str];
        } else {
            if (in_array($str, $Base64Env)) return equal_replace($envs[$str],1);
            else return $envs[$str];
        }
    }
    return '';
}
function setConfig($arr, $disktag = '')
{
    global $InnerEnv;
    global $Base64Env;
    if ($disktag=='') $disktag = $_SERVER['disktag'];
    //include 'config.php';
    $s = file_get_contents('config.php');
    $configs = substr($s, 18, -2);
    if ($configs!='') $envs = json_decode($configs, true);
    $disktags = explode("|",getConfig('disktag'));
    //$indisk = 0;
    $operatedisk = 0;
    foreach ($arr as $k => $v) {
        if (in_array($k, $InnerEnv)) {
            if (in_array($k, $Base64Env)) $envs[$disktag][$k] = equal_replace($v);
            else $envs[$disktag][$k] = $v;
            /*$diskconfig[$k] = $v;
            $indisk = 1;*/
        } elseif ($k=='disktag_add') {
            array_push($disktags, $v);
            $operatedisk = 1;
        } elseif ($k=='disktag_del') {
            $disktags = array_diff($disktags, [ $v ]);
            $envs[$v] = '';
            $operatedisk = 1;
        } else {
            if (in_array($k, $Base64Env)) $tmp[$k] = equal_replace($v);
            else $tmp[$k] = $v;
        }
    }
    /*if ($indisk) {
        $diskconfig = array_filter($diskconfig, 'array_value_isnot_null');
        ksort($diskconfig);
        $tmp[$disktag] = json_encode($diskconfig);
    }*/
    if ($operatedisk) {
        $disktags = array_unique($disktags);
        foreach ($disktags as $disktag) if ($disktag!='') $disktag_s .= $disktag . '|';
        if ($disktag_s!='') $envs['disktag'] = substr($disktag_s, 0, -1);
        else $envs['disktag'] = '';
    }
    $envs = array_filter($envs, 'array_value_isnot_null');
    ksort($envs);
    //echo '
'. json_encode($envs, JSON_PRETTY_PRINT).'
';
    $prestr = '';
            /*for ($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 .= '
        
        '.getconstStr('SavingToken').'
        ';
            setConfig([ 'refresh_token' => $tmptoken, 'token_expires' => time()+30*24*60*60 ], $_COOKIE['disktag']);
            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['install1']) {
        $_SERVER['disk_oprating'] = $_COOKIE['disktag'];
        $_SERVER['disktag'] = $_COOKIE['disktag'];
        config_oauth();
        if (getConfig('Onedrive_ver')=='MS' || getConfig('Onedrive_ver')=='CN' || getConfig('Onedrive_ver')=='MSC') {
            return message('
    '.getconstStr('JumptoOffice').'
    
    ', getconstStr('Wait').' 1s', 201);
        }
    }
    if ($_GET['install0']) {
        if ($_POST['disktag_add']!='' && ($_POST['Onedrive_ver']=='MS' || $_POST['Onedrive_ver']=='CN' || $_POST['Onedrive_ver']=='MSC')) {
            if (in_array($_COOKIE['disktag'], $CommonEnv)) {
                return message('Do not input ' . $envs . '
', 'Error', 201);
            }
            $_SERVER['disktag'] = $_COOKIE['disktag'];
            $tmp['disktag_add'] = $_POST['disktag_add'];
            $tmp['diskname'] = $_POST['diskname'];
            $tmp['Onedrive_ver'] = $_POST['Onedrive_ver'];
            if ($_POST['Onedrive_ver']=='MSC') {
                $tmp['client_id'] = $_POST['client_id'];
                $tmp['client_secret'] = $_POST['client_secret'];
            }
            $response = setConfig($tmp, $_COOKIE['disktag']);
            $title = getconstStr('MayinEnv');
            $html = getconstStr('Wait') . ' 3s';
            if (!$response) {
                $html = $response . '
Can not write config to file.
';
                $title = 'Error';
            }
            return message($html, $title, 201);
        }
    }
    if ($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 = '
    
    ';
    $title = 'Bind Onedrive';
    return message($html, $title, 201);
}
function install()
{
    global $constStr;
    if ($_GET['install1']) {
        if ($_POST['admin']!='') {
            $tmp['admin'] = $_POST['admin'];
            $tmp['language'] = $_POST['language'];
            $response = setConfig($tmp);
            if (!$response) {
                $html = $response . '
Can not write config to file.
';
                $title = 'Error';
                return message($html, $title, 201);
            } else {
                return output('Jump', 302);
            }
        }
    }
    if ($_GET['install0']) {
        if (!ConfigWriteable()) {
            $html .= getconstStr('MakesuerWriteable');
            $title = 'Error';
            return message($html, $title, 201);
        }
        if (!RewriteEngineOn()) {
            $html .= getconstStr('MakesuerRewriteOn');
            $title = 'Error';
            return message($html, $title, 201);
        }
        $html .= '
    
    ';
        $title = getconstStr('SelectLanguage');
        return message($html, $title, 201);
    }
    $html .= ''.getconstStr('ClickInstall').', '.getconstStr('LogintoBind');
    $title = 'Error';
    return message($html, $title, 201);
}
function ConfigWriteable()
{
    $t = md5( md5(time()).rand(1000,9999) );
    setConfig([ 'tmp' => $t ]);
    $tmp = getConfig('tmp');
    setConfig([ 'tmp' => '' ]);
    if ($tmp == $t) return true;
    return false;
}
function RewriteEngineOn()
{
    $http_type = ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) ? 'https://' : 'http://';
    $tmpurl = $http_type . $_SERVER['SERVER_NAME'].':'.$_SERVER['SERVER_PORT'];
    $tmpurl .= path_format($_SERVER['base_path'] . '/config.php');
    $tmp = curl_request($tmpurl);
    if ($tmp['stat']==200) return false;
    if ($tmp['stat']==201) return true; //when install return 201, after installed return 404 or 200;
    return false;
}
function EnvOpt($function_name, $needUpdate = 0)
{
    global $constStr;
    global $ShowedCommonEnv;
    global $ShowedInnerEnv;
    asort($ShowedCommonEnv);
    asort($ShowedInnerEnv);
    $html = 'OneManager '.getconstStr('Setup').'';
    /*if ($_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']) {
        $_SERVER['disk_oprating'] = '';
        foreach ($_POST as $k => $v) {
            if (in_array($k, $ShowedCommonEnv)||in_array($k, $ShowedInnerEnv)||$k=='disktag_del' || $k=='disktag_add') {
                $tmp[$k] = $v;
            }
            if ($k == 'disk') $_SERVER['disk_oprating'] = $v;
        }
        /*if ($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, $_SERVER['disk_oprating']);
        if (!$response) {
            $html = $response . '
';
            $title = 'Error';
        } else {
            $html .= '';
        }
    }
    if ($_GET['preview']) {
        $preurl = $_SERVER['PHP_SELF'] . '?preview';
    } else {
        $preurl = path_format($_SERVER['PHP_SELF'] . '/');
    }
    $html .= '
'.getconstStr('Back').'   '.getconstStr('Back').getconstStr('Home').'
Github
';
    /*if ($needUpdate) {
        $html .= '' . $_SERVER['github_version'] . '
        ';
    } else {
        $html .= getconstStr('NotNeedUpdate');
    }*/
    $html .= 'Can not update by a click!
';
    foreach (explode("|",getConfig('disktag')) as $disktag) {
        if ($disktag!='') {
            $html .= '
    ';
            if (getConfig('refresh_token', $disktag)!='') {
                $html .= '
    ';
            }
            $html .= '
';
        }
    }
    $html .= '
'.getconstStr('AddDisk').'';
    return message($html, getconstStr('Setup'));
}