PHP: Browser, Operating System (OS), Device, and Language Detect
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2022-04-24 09:57:41
https://github.com/sinergi/php-browser-detector Device.php: user_agent.php: ......
https://github.com/sinergi/php-browser-detector
Device.php:
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="author" content="geovindu" />
<title>php 学习测试客户端环境</title>
<meta name="keywords" content="geovindu">
<meta name="description" content="涂聚文">
<meta
</head>
<body>
<?php
// win10 环境下用各浏览器检测的数据：
//谷歌Chrome Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36
//微软Edge Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/17.17134
//微软IE Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
//火狐Firefox Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0
//欧朋Opera Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.170 Safari/537.36 OPR/53.0.2907.68
//苹果Safari Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2
include('user_agent.php');
$geovindu="hi,how are you";
$number=2000;
$html="<br/>";
$word=$html.$geovindu.$number;
echo "geovindu<br/>";
echo "涂聚文";
echo($word);
$user_agent = $_SERVER['HTTP_USER_AGENT'];
$lug=$_SERVER['HTTP_ACCEPT_LANGUAGE'];
$ua = new CI_User_agent($user_agent);
$Duip=$_SERVER['SERVER_ADDR'];
$geovindu=new RemoteAddress();
//获取浏览器
function getBrowse()
{
global $_SERVER;
$Agent = $_SERVER['HTTP_USER_AGENT'];
$browseinfo='';
if(ereg('Mozilla', $Agent) && !ereg('MSIE', $Agent)){
$browseinfo = 'Netscape Navigator';
}
if(ereg('Opera', $Agent)) {
$browseinfo = 'Opera';
}
if(ereg('Mozilla', $Agent) && ereg('MSIE', $Agent)){
$browseinfo = 'Internet Explorer';
}
if(ereg('Chrome', $Agent)){
$browseinfo="Chrome";
}
if(ereg('Safari', $Agent)){
$browseinfo="Safari";
}
if(ereg('Firefox', $Agent)){
$browseinfo="Firefox";
}
return $browseinfo;
}
//获取ip
function getIP()
{
global $_SERVER;
/* //方法1
if (getenv('HTTP_CLIENT_IP')) {
$ip = getenv('HTTP_CLIENT_IP');
} else if (getenv('HTTP_X_FORWARDED_FOR')) {
$ip = getenv('HTTP_X_FORWARDED_FOR');
} else if (getenv('REMOTE_ADDR')) {
$ip = getenv('REMOTE_ADDR');
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}*/
//方法2
/*
error_reporting (E_ERROR | E_WARNING | E_PARSE);
if($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"]){
$ip = $HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"];
}
elseif($HTTP_SERVER_VARS["HTTP_CLIENT_IP"]){
$ip = $HTTP_SERVER_VARS["HTTP_CLIENT_IP"];
}
elseif ($HTTP_SERVER_VARS["REMOTE_ADDR"]){
$ip = $HTTP_SERVER_VARS["REMOTE_ADDR"];
}
elseif (getenv("HTTP_X_FORWARDED_FOR")){
$ip = getenv("HTTP_X_FORWARDED_FOR");
}
elseif (getenv("HTTP_CLIENT_IP")){
$ip = getenv("HTTP_CLIENT_IP");
}
elseif (getenv("REMOTE_ADDR")){
$ip = getenv("REMOTE_ADDR");
}
else{
$ip = "Unknown";
}
*/
//$ip = $_SERVER["REMOTE_ADDR"];
//方法
/*
$ip = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
$ip = ($ip) ? $ip : $_SERVER["REMOTE_ADDR"];
*/
//方法
/*
foreach (array('HTTP_CLIENT_IP',
'HTTP_X_FORWARDED_FOR',
'HTTP_X_FORWARDED',
'HTTP_X_CLUSTER_CLIENT_IP',
'HTTP_FORWARDED_FOR',
'HTTP_FORWARDED',
'REMOTE_ADDR') as $key){
if (array_key_exists($key, $_SERVER) === true){
foreach (explode(',', $_SERVER[$key]) as $ip){
$ip = trim($ip); // Just to be safe
if (filter_var($ip,
FILTER_VALIDATE_IP,
FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)
!== false) {
//return $ip;
}
}
}
}
if(empty($ip))
{
$ip='127.0.0.1';
}
if($ip='::1')
{
$ip='127.0.0.1';
}
*/
/*
if ($_SERVER['HTTP_CLIENT_IP'] != '::1')
$ip = $_SERVER['HTTP_CLIENT_IP'];
else if ($_SERVER['HTTP_X_FORWARDED_FOR'] != '::1')
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
else if ($_SERVER['HTTP_X_FORWARDED'] != '::1')
$ip = $_SERVER['HTTP_X_FORWARDED'];
else if ($_SERVER['HTTP_FORWARDED_FOR'] != '::1')
$ip = $_SERVER['HTTP_FORWARDED_FOR'];
else if ($_SERVER['HTTP_FORWARDED'] != '::1')
$ip = $_SERVER['HTTP_FORWARDED'];
else if ($_SERVER['REMOTE_ADDR'] != '::1')
$ip = $_SERVER['REMOTE_ADDR'];
else
$ip = '127.0.0.1';
*/
// check for shared internet/ISP IP
if (!empty($_SERVER['HTTP_CLIENT_IP']) && validate_ip($_SERVER['HTTP_CLIENT_IP'])) {
return $_SERVER['HTTP_CLIENT_IP'];
}
// check for IPs passing through proxies
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
// check if multiple ips exist in var
if (strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ',') !== false) {
$iplist = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
foreach ($iplist as $ip) {
if (validate_ip($ip))
return $ip;
}
} else {
if (validate_ip($_SERVER['HTTP_X_FORWARDED_FOR']))
return $_SERVER['HTTP_X_FORWARDED_FOR'];
}
}
if (!empty($_SERVER['HTTP_X_FORWARDED']) && validate_ip($_SERVER['HTTP_X_FORWARDED']))
return $_SERVER['HTTP_X_FORWARDED'];
if (!empty($_SERVER['HTTP_X_CLUSTER_CLIENT_IP']) && validate_ip($_SERVER['HTTP_X_CLUSTER_CLIENT_IP']))
return $_SERVER['HTTP_X_CLUSTER_CLIENT_IP'];
if (!empty($_SERVER['HTTP_FORWARDED_FOR']) && validate_ip($_SERVER['HTTP_FORWARDED_FOR']))
return $_SERVER['HTTP_FORWARDED_FOR'];
if (!empty($_SERVER['HTTP_FORWARDED']) && validate_ip($_SERVER['HTTP_FORWARDED']))
return $_SERVER['HTTP_FORWARDED'];
$ip=$_SERVER['REMOTE_ADDR'];
$ip="::1"?"127.0.0.1":$ip;
return $ip;
}
//获取用户系统
function getOS()
{
global $_SERVER;
$agent = $_SERVER['HTTP_USER_AGENT'];
$os = false;
if (eregi('win', $agent) && strpos($agent, '95')){
$os = 'Windows 95';
}elseif (eregi('win 9x', $agent) && strpos($agent, '4.90')){
$os = 'Windows ME';
}elseif (eregi('win', $agent) && ereg('98', $agent)){
$os = 'Windows 98';
}elseif (eregi('win', $agent) && eregi('nt 5.1', $agent)){
$os = 'Windows XP';
}elseif (eregi('win', $agent) && eregi('nt 5.2', $agent)){
$os = 'Windows 2003';
}elseif (eregi('win', $agent) && eregi('nt 5', $agent)){
$os = 'Windows 2000';
}elseif (eregi('win', $agent) && eregi('nt', $agent)){
$os = 'Windows NT';
}elseif (eregi('win', $agent) && ereg('32', $agent)){
$os = 'Windows 32';
}elseif (eregi('linux', $agent)){
$os = 'Linux';
}elseif (eregi('unix', $agent)){
$os = 'Unix';
}elseif (eregi('sun', $agent) && eregi('os', $agent)){
$os = 'SunOS';
}elseif (eregi('ibm', $agent) && eregi('os', $agent)){
$os = 'IBM OS/2';
}elseif (eregi('Mac', $agent) && eregi('PC', $agent)){
$os = 'Macintosh';
}elseif (eregi('PowerPC', $agent)){
$os = 'PowerPC';
}elseif (eregi('AIX', $agent)){
$os = 'AIX';
}elseif (eregi('HPUX', $agent)){
$os = 'HPUX';
}elseif (eregi('NetBSD', $agent)){
$os = 'NetBSD';
}elseif (eregi('BSD', $agent)){
$os = 'BSD';
}elseif (ereg('OSF1', $agent)){
$os = 'OSF1';
}elseif (ereg('IRIX', $agent)){
$os = 'IRIX';
}elseif (eregi('FreeBSD', $agent)){
$os = 'FreeBSD';
}elseif (eregi('teleport', $agent)){
$os = 'teleport';
}elseif (eregi('flashget', $agent)){
$os = 'flashget';
}elseif (eregi('webzip', $agent)){
$os = 'webzip';
}elseif (eregi('offline', $agent)){
$os = 'offline';
}else{
$os = 'Unknown';
}
return $os;
}
phpinfo(); //检测PHP环境
?>
操作系统：<input type="text" value="<?php echo $ua->platform() ?>" id="textos"/><br/>
浏览器： <input type="text" value="<?php echo $ua->browser() ?>" id="textbrowser"/><br/>
浏览器版本 <input type="text" value="<?php echo $ua->version() ?>" id="textversion"/><br/>
<input type="text" value="<?php echo $ua->robot() ?>" id="textrobot"/><br/>
手机品牌:<input type="text" value="<?php echo $ua->mobile() ?>" id="textmobile"/><br/>
客户环境检测:<input type="text" value="<?php echo $user_agent ?>" id="textgetusert" size="100"/><br/>
浏览器语言:<input type="text" value="<?php echo $lug ?>" id="textlg"/><br/>
<input type="text" value="<?php echo getIP() ?>" id="textip"/><br/>
<?php echo $Duip."<br/>" ?>
<?php echo $geovindu->getIpAddress() ?>
</body>
</html>
user_agent.php:
<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* User Agent Class
*
* Identifies the platform, browser, robot, or mobile devise of the browsing agent
*
* @package CodeIgniter
* @subpackage Libraries
* @category User Agent
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/user_agent.html
参考： https://en.wikipedia.org/wiki/Windows_NT geovindu 涂聚文 edit update 20180712
*/
class CI_User_agent {
var $platforms = array (
'windows nt 10.0' => 'Win10',
'windows nt 6.3' => 'Windows 8.1 Windows Server 2012 R2',
'windows nt 6.2' => 'Win8',
'windows nt 6.1' => 'Win7',
'windows nt 6.0' => 'Win Longhorn',
'windows nt 5.2' => 'Win2003',
'windows nt 5.0' => 'Win2000',
'windows nt 5.1' => 'WinXP',
'windows nt 4.0' => 'Windows NT 4.0',
'winnt4.0' => 'Windows NT 4.0',
'winnt 4.0' => 'Windows NT',
'winnt' => 'Windows NT',
'windows 98' => 'Win98',
'win98' => 'Win98',
'windows 95' => 'Win95',
'win95' => 'Win95',
'windows' => 'Unknown Windows OS',
'os x' => 'MacOS X',
'ppc mac' => 'Power PC Mac',
'freebsd' => 'FreeBSD',
'ppc' => 'Macintosh',
'linux' => 'Linux',
'debian' => 'Debian',
'sunos' => 'Sun Solaris',
'beos' => 'BeOS',
'apachebench' => 'ApacheBench',
'aix' => 'AIX',
'irix' => 'Irix',
'osf' => 'DEC OSF',
'hp-ux' => 'HP-UX',
'netbsd' => 'NetBSD',
'bsdi' => 'BSDi',
'openbsd' => 'OpenBSD',
'gnu' => 'GNU/Linux',
'unix' => 'Unknown Unix OS'
);
// The order of this array should NOT be changed. Many browsers return
// multiple browser types so we want to identify the sub-type first.
var $browsers = array(
'Flock' => 'Flock',
'Chrome' => 'Chrome',
'Opera' => 'Opera',
'MSIE' => 'IE',
'Internet Explorer' => 'IE',
'Shiira' => 'Shiira',
'Firefox' => 'Firefox',
'Chimera' => 'Chimera',
'Phoenix' => 'Phoenix',
'Firebird' => 'Firebird',
'Camino' => 'Camino',
'Netscape' => 'Netscape',
'OmniWeb' => 'OmniWeb',
'Safari' => 'Safari',
'Mozilla' => 'Mozilla',
'Konqueror' => 'Konqueror',
'icab' => 'iCab',
'Lynx' => 'Lynx',
'Links' => 'Links',
'hotjava' => 'HotJava',
'amaya' => 'Amaya',
'IBrowse' => 'IBrowse'
);
var $mobiles = array(
// legacy array, old values commented out
'mobileexplorer' => 'Mobile Explorer',
// 'openwave' => 'Open Wave',
// 'opera mini' => 'Opera Mini',
// 'operamini' => 'Opera Mini',
// 'elaine' => 'Palm',
'palmsource' => 'Palm',
// 'digital paths' => 'Palm',
// 'avantgo' => 'Avantgo',
// 'xiino' => 'Xiino',
'palmscape' => 'Palmscape',
// 'nokia' => 'Nokia',
// 'ericsson' => 'Ericsson',
// 'blackberry' => 'BlackBerry',
// 'motorola' => 'Motorola'
// Phones and Manufacturers
'motorola' => "Motorola",
'nokia' => "Nokia",
'palm' => "Palm",
'iphone' => "Apple iPhone",
'ipad' => "iPad",
'ipod' => "Apple iPod Touch",
'sony' => "Sony Ericsson",
'ericsson' => "Sony Ericsson",
'blackberry' => "BlackBerry",
'cocoon' => "O2 Cocoon",
'blazer' => "Treo",
'lg' => "LG",
'amoi' => "Amoi",
'xda' => "XDA",
'mda' => "MDA",
'vario' => "Vario",
'htc' => "HTC",
'samsung' => "Samsung",
'sharp' => "Sharp",
'sie-' => "Siemens",
'alcatel' => "Alcatel",
'benq' => "BenQ",
'ipaq' => "HP iPaq",
'mot-' => "Motorola",
'playstation portable' => "PlayStation Portable",
'hiptop' => "Danger Hiptop",
'nec-' => "NEC",
'panasonic' => "Panasonic",
'philips' => "Philips",
'sagem' => "Sagem",
'sanyo' => "Sanyo",
'spv' => "SPV",
'zte' => "ZTE",
'sendo' => "Sendo",
'huawei' => "Huawei",
'vivo' => "Vivo",
'oppo' => "OPPO",
// Operating Systems
'symbian' => "Symbian",
'SymbianOS' => "SymbianOS",
'elaine' => "Palm",
'palm' => "Palm",
'series60' => "Symbian S60",
'windows ce' => "Windows CE",
// Browsers
'obigo' => "Obigo",
'netfront' => "Netfront Browser",
'openwave' => "Openwave Browser",
'mobilexplorer' => "Mobile Explorer",
'operamini' => "Opera Mini",
'opera mini' => "Opera Mini",
// Other
'digital paths' => "Digital Paths",
'avantgo' => "AvantGo",
'xiino' => "Xiino",
'novarra' => "Novarra Transcoder",
'vodafone' => "Vodafone",
'docomo' => "NTT DoCoMo",
'o2' => "O2",
// Fallback
'mobile' => "Generic Mobile",
'wireless' => "Generic Mobile",
'j2me' => "Generic Mobile",
'midp' => "Generic Mobile",
'cldc' => "Generic Mobile",
'up.link' => "Generic Mobile",
'up.browser' => "Generic Mobile",
'smartphone' => "Generic Mobile",
'cellphone' => "Generic Mobile"
);
// There are hundreds of bots but these are the most common.
var $robots = array(
'googlebot' => 'Googlebot',
'msnbot' => 'MSNBot',
'slurp' => 'Inktomi Slurp',
'yahoo' => 'Yahoo',
'askjeeves' => 'AskJeeves',
'fastcrawler' => 'FastCrawler',
'infoseek' => 'InfoSeek Robot 1.0',
'lycos' => 'Lycos'
);
var $agent = NULL;
var $is_browser = FALSE;
var $is_robot = FALSE;
var $is_mobile = FALSE;
var $languages = array();
var $charsets = array();
var $platform = '';
var $browser = '';
var $version = '';
var $mobile = '';
var $robot = '';
/**
* Constructor
*
* Sets the User Agent and runs the compilation routine
*
* @access public
* @return void
*/
public function __construct($agent = '')
{
if ($agent != '')
{
$this->agent = $agent;
}
else if (isset($_SERVER['HTTP_USER_AGENT']))
{
$this->agent = trim($_SERVER['HTTP_USER_AGENT']);
}
if ( ! is_null($this->agent))
{
$this->_compile_data();
}
//log_message('debug', "User Agent Class Initialized");
}
// --------------------------------------------------------------------
/**
* Compile the User Agent Data
*
* @access private
* @return bool
*/
private function _compile_data()
{
$this->_set_platform();
foreach (array('_set_robot', '_set_browser', '_set_mobile') as $function)
{
if ($this->$function() === TRUE)
{
break;
}
}
}
// --------------------------------------------------------------------
/**
* Set the Platform
*
* @access private
* @return mixed
*/
private function _set_platform()
{
if (is_array($this->platforms) AND count($this->platforms) > 0)
{
foreach ($this->platforms as $key => $val)
{
if (preg_match("|".preg_quote($key)."|i", $this->agent))
{
$this->platform = $val;
return TRUE;
}
}
}
$this->platform = 'Unknown Platform';
}
// --------------------------------------------------------------------
/**
* Set the Browser
*
* @access private
* @return bool
*/
private function _set_browser()
{
if (is_array($this->browsers) AND count($this->browsers) > 0)
{
foreach ($this->browsers as $key => $val)
{
if (preg_match("|".preg_quote($key).".*?([0-9\.]+)|i", $this->agent, $match))
{
$this->is_browser = TRUE;
$this->version = $match[1];
$this->browser = $val;
$this->_set_mobile();
return TRUE;
}
}
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set the Robot
*
* @access private
* @return bool
*/
private function _set_robot()
{
if (is_array($this->robots) AND count($this->robots) > 0)
{
foreach ($this->robots as $key => $val)
{
if (preg_match("|".preg_quote($key)."|i", $this->agent))
{
$this->is_robot = TRUE;
$this->robot = $val;
return TRUE;
}
}
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set the Mobile Device
*
* @access private
* @return bool
*/
private function _set_mobile()
{
if (is_array($this->mobiles) AND count($this->mobiles) > 0)
{
foreach ($this->mobiles as $key => $val)
{
if (FALSE !== (strpos(strtolower($this->agent), $key)))
{
$this->is_mobile = TRUE;
$this->mobile = $val;
return TRUE;
}
}
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set the accepted languages
*
* @access private
* @return void
*/
private function _set_languages()
{
if ((count($this->languages) == 0) AND isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) AND $_SERVER['HTTP_ACCEPT_LANGUAGE'] != '')
{
$languages = preg_replace('/(;q=[0-9\.]+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE'])));
$this->languages = explode(',', $languages);
}
if (count($this->languages) == 0)
{
$this->languages = array('Undefined');
}
}
// --------------------------------------------------------------------
/**
* Set the accepted character sets
*
* @access private
* @return void
*/
private function _set_charsets()
{
if ((count($this->charsets) == 0) AND isset($_SERVER['HTTP_ACCEPT_CHARSET']) AND $_SERVER['HTTP_ACCEPT_CHARSET'] != '')
{
$charsets = preg_replace('/(;q=.+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_CHARSET'])));
$this->charsets = explode(',', $charsets);
}
if (count($this->charsets) == 0)
{
$this->charsets = array('Undefined');
}
}
// --------------------------------------------------------------------
/**
* Is Browser
*
* @access public
* @return bool
*/
public function is_browser($key = NULL)
{
if ( ! $this->is_browser)
{
return FALSE;
}
// No need to be specific, it's a browser
if ($key === NULL)
{
return TRUE;
}
// Check for a specific browser
return array_key_exists($key, $this->browsers) AND $this->browser === $this->browsers[$key];
}
// --------------------------------------------------------------------
/**
* Is Robot
*
* @access public
* @return bool
*/
public function is_robot($key = NULL)
{
if ( ! $this->is_robot)
{
return FALSE;
}
// No need to be specific, it's a robot
if ($key === NULL)
{
return TRUE;
}
// Check for a specific robot
return array_key_exists($key, $this->robots) AND $this->robot === $this->robots[$key];
}
// --------------------------------------------------------------------
/**
* Is Mobile
*
* @access public
* @return bool
*/
public function is_mobile($key = NULL)
{
if ( ! $this->is_mobile)
{
return FALSE;
}
// No need to be specific, it's a mobile
if ($key === NULL)
{
return TRUE;
}
// Check for a specific robot
return array_key_exists($key, $this->mobiles) AND $this->mobile === $this->mobiles[$key];
}
// --------------------------------------------------------------------
/**
* Is this a referral from another site?
*
* @access public
* @return bool
*/
public function is_referral()
{
if ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '')
{
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Agent String
*
* @access public
* @return string
*/
public function agent_string()
{
return $this->agent;
}
// --------------------------------------------------------------------
/**
* Get Platform
*
* @access public
* @return string
*/
public function platform()
{
return $this->platform;
}
// --------------------------------------------------------------------
/**
* Get Browser Name
*
* @access public
* @return string
*/
public function browser()
{
return $this->browser;
}
// --------------------------------------------------------------------
/**
* Get the Browser Version
*
* @access public
* @return string
*/
public function version()
{
return $this->version;
}
// --------------------------------------------------------------------
/**
* Get The Robot Name
*
* @access public
* @return string
*/
public function robot()
{
return $this->robot;
}
// --------------------------------------------------------------------
/**
* Get the Mobile Device
*
* @access public
* @return string
*/
public function mobile()
{
return $this->mobile;
}
// --------------------------------------------------------------------
/**
* Get the referrer
*
* @access public
* @return bool
*/
public function referrer()
{
return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? '' : trim($_SERVER['HTTP_REFERER']);
}
// --------------------------------------------------------------------
/**
* Get the accepted languages
*
* @access public
* @return array
*/
public function languages()
{
if (count($this->languages) == 0)
{
$this->_set_languages();
}
return $this->languages;
}
// --------------------------------------------------------------------
/**
* Get the accepted Character Sets
*
* @access public
* @return array
*/
public function charsets()
{
if (count($this->charsets) == 0)
{
$this->_set_charsets();
}
return $this->charsets;
}
// --------------------------------------------------------------------
/**
* Test for a particular language
*
* @access public
* @return bool
*/
public function accept_lang($lang = 'en')
{
return (in_array(strtolower($lang), $this->languages(), TRUE));
}
// --------------------------------------------------------------------
/**
* Test for a particular character set
*
* @access public
* @return bool
*/
public function accept_charset($charset = 'utf-8')
{
return (in_array(strtolower($charset), $this->charsets(), TRUE));
}
}
// 获取IP
//https://raw.githubusercontent.com/zendframework/zend-http/master/src/PhpEnvironment/RemoteAddress.php
//http://php.net/manual/en/reserved.variables.server.php
/**
* Functionality for determining client IP address.
*/
class RemoteAddress
{
/**
* Whether to use proxy addresses or not.
*
* As default this setting is disabled - IP address is mostly needed to increase
* security. HTTP_* are not reliable since can easily be spoofed. It can be enabled
* just for more flexibility, but if user uses proxy to connect to trusted services
* it's his/her own risk, only reliable field for IP address is $_SERVER['REMOTE_ADDR'].
*
* @var bool
*/
protected $useProxy = false;
/**
* List of trusted proxy IP addresses
*
* @var array
*/
protected $trustedProxies = [];
/**
* HTTP header to introspect for proxies
*
* @var string
*/
protected $proxyHeader = 'HTTP_X_FORWARDED_FOR';
/**
* Changes proxy handling setting.
*
* This must be static method, since validators are recovered automatically
* at session read, so this is the only way to switch setting.
*
* @param bool $useProxy Whether to check also proxied IP addresses.
* @return RemoteAddress
*/
public function setUseProxy($useProxy = true)
{
$this->useProxy = $useProxy;
return $this;
}
/**
* Checks proxy handling setting.
*
* @return bool Current setting value.
*/
public function getUseProxy()
{
return $this->useProxy;
}
/**
* Set list of trusted proxy addresses
*
* @param array $trustedProxies
* @return RemoteAddress
*/
public function setTrustedProxies(array $trustedProxies)
{
$this->trustedProxies = $trustedProxies;
return $this;
}
/**
* Set the header to introspect for proxy IPs
*
* @param string $header
* @return RemoteAddress
*/
public function setProxyHeader($header = 'X-Forwarded-For')
{
$this->proxyHeader = $this->normalizeProxyHeader($header);
return $this;
}
/**
* Returns client IP address.
*
* @return string IP address.
*/
public function getIpAddress()
{
$ip = $this->getIpAddressFromProxy();
if ($ip) {
return $ip;
}
// direct IP address
if (isset($_SERVER['REMOTE_ADDR'])) {
$ip=$_SERVER['REMOTE_ADDR'];
if($ip="::1")
{
$ip="127.0.0.1";
}
return $ip;
}
return '';
}
/**
* Attempt to get the IP address for a proxied client
*
* @see http://tools.ietf.org/html/draft-ietf-appsawg-http-forwarded-10#section-5.2
* @return false|string
*/
protected function getIpAddressFromProxy()
{
if (! $this->useProxy
|| (isset($_SERVER['REMOTE_ADDR']) && ! in_array($_SERVER['REMOTE_ADDR'], $this->trustedProxies))
) {
return false;
}
$header = $this->proxyHeader;
if (! isset($_SERVER[$header]) || empty($_SERVER[$header])) {
return false;
}
// Extract IPs
$ips = explode(',', $_SERVER[$header]);
// trim, so we can compare against trusted proxies properly
$ips = array_map('trim', $ips);
// remove trusted proxy IPs
$ips = array_diff($ips, $this->trustedProxies);
// Any left?
if (empty($ips)) {
return false;
}
// Since we've removed any known, trusted proxy servers, the right-most
// address represents the first IP we do not know about -- i.e., we do
// not know if it is a proxy server, or a client. As such, we treat it
// as the originating IP.
// @see http://en.wikipedia.org/wiki/X-Forwarded-For
$ip = array_pop($ips);
return $ip;
}
/**
* Normalize a header string
*
* Normalizes a header string to a format that is compatible with
* $_SERVER
*
* @param string $header
* @return string
*/
protected function normalizeProxyHeader($header)
{
$header = strtoupper($header);
$header = str_replace('-', '_', $header);
if (0 !== strpos($header, 'HTTP_')) {
$header = 'HTTP_' . $header;
}
return $header;
}
}
/* End of file User_agent.php */
/* Location: ./system/libraries/User_agent.php */
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