<?php
$ipLocation = new IpLocation();
$tpl = $PAGE->START();

//生成地理位置信息

$remote = $_SERVER['REMOTE_ADDR'] . '（' . quip($_SERVER['REMOTE_ADDR']) . '）';

$Xa = trim($_SERVER['HTTP_CLIENT_IP']);
$Xb = str_replace(' ', '', trim($_SERVER['HTTP_X_FORWARDED_FOR']));
$Xc = trim($_SERVER['HTTP_VIA']);
$proxy = NULL;

if (!empty($Xa)) {
    $proxy .= '    Client-Ip: ' . $Xa . '（' . quip($Xa) . "）\n";
}

if (!empty($Xb)) {
    $proxy .= "    Forwarded-For: \n";
    foreach (explode(',', $Xb) as $ip) {
        $proxy .= '        ' . $ip . '（' . quip($ip) . "）\n";
    }
}

if (!empty($Xc)) {
    echo '    Via(透明代理): ' . $Xc . '（' . quip($Xc) . "）\n";
}

//生成HTTP请求行

//删除安全相关的Cookie
unset($_COOKIE['sid'], $_GET['sid'], $_COOKIE[COOKIE_A . 'sid'], $_GET[COOKIE_A . 'sid'], $_COOKIE['PHPSESSID'], $_GET['PHPSESSID'], $_COOKIE['__cfduid'], $_GET['__cfduid'], $_SERVER['HTTP_X_REWRITE_URL']);

foreach ($_COOKIE as $n => $v) {
    $cookie[] = urlencode($n) . '=' . urlencode($v);
}

$_SERVER['HTTP_COOKIE'] = implode('; ', $cookie);

foreach ($_GET as $n => $v) {
    $get[] = urlencode($n) . '=' . urlencode($v);
}

$queryString = empty($get) ? '' : '?' . implode('&', $get);

//为了避免泄露sid，重新构造URI
$REQUEST_URI = $_SERVER['SCRIPT_NAME'] . "/$PAGE[cid].$PAGE[pid].$PAGE[bid]" . $queryString;

$header = "$_SERVER[REQUEST_METHOD] $REQUEST_URI HTTP/1.1\r\n";

foreach ($_SERVER as $x => $v) {
    if (substr($x, 0, 5) == 'HTTP_') {
        $x = strtr(ucwords(strtr(strtolower(substr($x, 5)), '_', ' ')), ' ', '-');
        $header .= "$x: $v\r\n";
    }
}

$header .= "\r\n";

$tpl->assign('remote', $remote);
$tpl->assign('proxy', $proxy);
$tpl->assign('header', $header);

$tpl->display('tpl:ua');


function quip($ip)
{
    global $ipLocation;
    return $ipLocation->getLocationString($ip);
}