/**
* 判断当前访客是否必须输入验证码
*/
function login_needcaptcha()
{
$ip = $_SERVER['REMOTE_ADDR'];
if (cache_isset("need_captcha_{$ip}")) {
return true;
} else {
return false;
}
}
<?php
function make_captcha($id)
{
require 'kcaptcha/kcaptcha.php';
$captcha = new KCAPTCHA();
cache_set('taxi_captcha_' . $id, $captcha->getKeyString());
die;
}
if ($id = intval($_GET['id']) and preg_match('/\\d{11,12}/', $_GET['id'])) {
require 'inc/dbcm.php';
if (cache_isset('taxi_captcha_' . $id)) {
make_captcha($id);
} else {
if (fetch_user_by_id($id)) {
make_captcha($id);
} else {
header('HTTP/1.0 404 Not Found');
}
}
} else {
header('HTTP/1.0 400 Bad Request');
}
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<link rel="stylesheet" href="styles.css"/>
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/api.js"></script>
<script type="text/javascript">
<?php
if ($_GET['lang']) {
$lang = $_GET['lang'];
setcookie('lang', $lang);
} else {
require_once 'inc/config.inc.php';
require_once 'inc/cache.inc.php';
cache_init();
if (cache_isset('taxi_lang_available')) {
$lang_avail = cache_get('taxi_lang_available');
} else {
$lang_avail = json_decode(file_get_contents('lang/index.json'), true);
cache_set('taxi_lang_available', $lang_avail, 3600);
}
foreach (explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']) as $l) {
$l = explode(';', $l);
$l = explode('-', $l[0]);
if (in_array($lang[0], $lang_avail)) {
$lang_detect = $l[0];
break;
}
}
$lang = $lang_detect ? $lang_detect : $CONFIG['DEFAULTS']['LANG'];
}
/**
* 判断用户是否在线
*
* @return 在线返回用户数组，不在线返回 false
*/
function user_isonline()
{
if (!isset($_COOKIE[VPNNS . 'sid'])) {
return false;
}
$sid = $_COOKIE[VPNNS . 'sid'];
if (!cache_isset("sid_{$sid}")) {
return false;
}
$user = cache_get("sid_{$sid}");
/// 如果用户在线就更新用户信息
if ($user != false) {
$user = user_get($user['email']);
cache_set("sid_{$sid}", $user, USER_SESSIONTIME);
}
return $user;
}
