common.inc.php

define('PHPCMS_ROOT', str_replace("\\", '/', substr(dirname(__FILE__), 0, -7))); //定义根目录
define('MICROTIME_START', microtime()); //设置起始时间
define('IN_PHPCMS', TRUE); //网站入口判断变量
define('MAGIC_QUOTES_GPC', get_magic_quotes_gpc()); //设置魔法字会转换开关
define('TIME', time()); //生成时间
set_include_path(PHPCMS_ROOT.'include/'); //加载文件目录
set_magic_quotes_runtime(0); //设置魔法字运行时间开关，0 为关
unset($LANG, $HTTP_ENV_VARS, $HTTP_POST_VARS, $HTTP_GET_VARS, $HTTP_POST_FILES, $HTTP_COOKIE_VARS);//清空变量
require 'config.inc.php'; //核心配置文件
require 'global.func.php'; //全局功能函数
require 'dir.func.php'; //目录函数操作功能函数
require 'url.func.php'; //url相关操作函数
require 'output.class.php'; //数据输出相关函数
require 'priv_group.class.php'; //组权限类
require 'times.class.php'; //时间处理类
require PHPCMS_ROOT.'languages/'.LANG.'/phpcms.lang.php'; //加载语言函数包
ERRORLOG ? set_error_handler('phpcms_error') : error_reporting(E_ERROR | E_WARNING | E_PARSE); //设置错误处理机智
define('IP', ip());
define('HTTP_REFERER', isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '');
define('SCRIPT_NAME', isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME'] : preg_replace("/(.*)\.php(.*)/i", "http://www.cnblogs.com/igaofen/admin/file://1.php/", $_SERVER['PHP_SELF']));
define('QUERY_STRING', $_SERVER['QUERY_STRING']);
define('PATH_INFO', isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '');
define('DOMAIN', isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : preg_replace("/([^:]*)[:0-9]*/i", "http://www.cnblogs.com/igaofen/admin/file://0.0.0.1/", $_SERVER['HTTP_HOST']));
define('SCHEME', $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://');
define('SITE_URL', SCHEME.$_SERVER['HTTP_HOST'].PHPCMS_PATH);
define('RELATE_URL', isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : SCRIPT_NAME.(QUERY_STRING ? '?'.QUERY_STRING : PATH_INFO));
define('URL', SCHEME.$_SERVER['HTTP_HOST'].RELATE_URL);
define('RELATE_REFERER',urlencode(RELATE_URL));
//定义一系列与服务器相关的变量，为后面的生成cache相关参数作准备
if(function_exists('date_default_timezone_set')) date_default_timezone_set(TIMEZONE);//设置time等函数的默认时区
header('Content-type: text/html; charset='.CHARSET); //设置字符集
if(CACHE_PAGE && !defined('IN_ADMIN')) cache_page_start(); //看是否调用页面缓存
if(GZIP && extension_loaded('zlib')) ini_set('zlib.output_compression', 'On'); //是否gzip优化
ob_start(); //缓存开始，启动ob_start 输出部份转的缓存，flush后，全部输出
$dbclass = 'db_'.DB_DATABASE; //生成db.class的名字
require $dbclass.'.class.php'; //加载db的数据库类文件
$db = new $dbclass; //实例发数据库
$db->connect(DB_HOST, DB_USER, DB_PW, DB_NAME, DB_PCONNECT, DB_CHARSET); //连接数据库
require 'session_'.SESSION_STORAGE.'.class.php'; //加载session类
$session = new session(); //初始化session
session_set_cookie_params(0, COOKIE_PATH, COOKIE_DOMAIN); //设置cookies
if($_REQUEST) //转义request的变量
{
if(MAGIC_QUOTES_GPC)
{
$_REQUEST = new_stripslashes($_REQUEST);
if($_COOKIE) $_COOKIE = new_stripslashes($_COOKIE);
}
if(!defined('IN_ADMIN')) $_REQUEST = filter_xss($_REQUEST, ALLOWED_HTMLTAGS);
extract($db->escape($_REQUEST), EXTR_SKIP);
if($_COOKIE) $db->escape($_COOKIE);
}
if(QUERY_STRING && strpos(QUERY_STRING, '=') === false && preg_match("/^(.*)\.(htm|html|shtm|shtml)$/", QUERY_STRING, $urlvar))
{
parse_str(str_replace(array('/', '-', ' '), array('&', '=', ''), $urlvar[1]));
}
$CACHE = cache_read('common.php'); //读cache，comman.php生成了一些网站初始的变量，比如栏目名，等，可到data/cahce/下查看
if(!$CACHE)
{
require_once 'cache.func.php';
cache_all();
$CACHE = cache_read('common.php');
}
extract($CACHE); //将数组转成变量
unset($CACHE); //销毁变量
if($PHPCMS['enable_ipbanned'] && ip_banned(IP)) showmessage($LANG['administrator_banned_this_IP']);//IP地址限制
if(!defined('IN_ADMIN')) ////非法信息屏蔽作用范围（0 禁用，1 前台，2 全站）
{
if(FILTER_ENABLE && filter_word()) showmessage('The content including illegal information: '.ILLEGAL_WORD.' .');
if($PHPCMS['minrefreshtime'])
{
$cc = new times();
$cc->set('cc', $PHPCMS['minrefreshtime'], 1);
if($cc->check()) showmessage('Do not refresh the page in '.$PHPCMS['minrefreshtime'].' seconds!');
$cc->add();
unset($cc);
}
if(!isset($forward)) $forward = HTTP_REFERER;
}
$M = $TEMP = array();
if(!isset($mod)) $mod = 'phpcms'; //设置模块，如果什么也没有设，就用phpcms
if($mod != 'phpcms') //如果有设置，调用相关模块的信息,并读取他们生成的cahce
{
isset($MODULE[$mod]) or exit($LANG['module_not_exists']);
$langfile = defined('IN_ADMIN') ? $mod.'_admin' : $mod;
@include PHPCMS_ROOT.'languages/'.LANG.'/'.$langfile.'.lang.php';
$M = cache_read('module_'.$mod.'.php');
}
$_userid = 0;
$_username = '';
$_groupid = 3;
$phpcms_auth = get_cookie('auth'); //判断是否以前登陆过，并调取认证信息,权限判断
if($phpcms_auth)
{
$auth_key = md5(AUTH_KEY.$_SERVER['HTTP_USER_AGENT']);
list($_userid, $_password) = explode("\t", phpcms_auth($phpcms_auth, 'DECODE', $auth_key));
$_userid = intval($_userid);
$sql_member = "SELECT * FROM `".DB_PRE."member_cache` WHERE `userid`=$_userid";
$r = $db->get_one($sql_member);
if(!$r && cache_member())
{
$r = $db->get_one($sql_member);
}
if($r && $r['password'] === $_password)
{
if($r['groupid'] == 2)
{
set_cookie('auth', '');
showmessage($LANG['userid_banned_by_administrator']);
}
@extract($r, EXTR_PREFIX_ALL, '');
}
else
{
$_userid = 0;
$_username = '';
$_groupid = 3;
set_cookie('auth', '');
}
unset($r, $phpcms_auth, $phpcms_auth_key, $_password, $sql_member);
}
$G = cache_read('member_group_'.$_groupid.'.php'); //读会员的组信息
$priv_group = new priv_group(); //初始化组用户信息
define('SKIN_PATH', 'templates/'.TPL_NAME.'/skins/'.TPL_CSS.'/'); //加载模板的css文件
define('PASSPORT_ENABLE', ($PHPCMS['uc'] || $PHPCMS['enablepassport'] || $PHPCMS['enableserverpassport']) ? 1 : 0); //设置uc,等其它密码通行证，开关
?>

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