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|
<?php
/*
+-----------------------------------------------------------------------+
| program/include/rcube_browser.php |
| |
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2007-2009, Roundcube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Class representing the client browser's properties |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id$
*/
/**
* rcube_browser
*
* Provide details about the client's browser based on the User-Agent header
*
* @package Core
*/
class rcube_browser
{
function __construct()
{
$HTTP_USER_AGENT = strtolower($_SERVER['HTTP_USER_AGENT']);
$this->ver = 0;
$this->win = strstr($HTTP_USER_AGENT, 'win');
$this->mac = strstr($HTTP_USER_AGENT, 'mac');
$this->linux = strstr($HTTP_USER_AGENT, 'linux');
$this->unix = strstr($HTTP_USER_AGENT, 'unix');
$this->opera = strstr($HTTP_USER_AGENT, 'opera');
$this->ns4 = strstr($HTTP_USER_AGENT, 'mozilla/4') && !strstr($HTTP_USER_AGENT, 'msie');
$this->ns = ($this->ns4 || strstr($HTTP_USER_AGENT, 'netscape'));
$this->ie = !$this->opera && strstr($HTTP_USER_AGENT, 'compatible; msie');
$this->mz = strstr($HTTP_USER_AGENT, 'mozilla/5');
$this->chrome = strstr($HTTP_USER_AGENT, 'chrome');
$this->khtml = strstr($HTTP_USER_AGENT, 'khtml');
$this->safari = !$this->chrome && ($this->khtml || strstr($HTTP_USER_AGENT, 'safari'));
if ($this->ns || $this->chrome) {
$test = preg_match('/(mozilla|chrome)\/([0-9.]+)/', $HTTP_USER_AGENT, $regs);
$this->ver = $test ? (float)$regs[2] : 0;
}
else if ($this->mz) {
$test = preg_match('/rv:([0-9.]+)/', $HTTP_USER_AGENT, $regs);
$this->ver = $test ? (float)$regs[1] : 0;
}
else if ($this->ie || $this->opera) {
$test = preg_match('/(msie|opera) ([0-9.]+)/', $HTTP_USER_AGENT, $regs);
$this->ver = $test ? (float)$regs[2] : 0;
}
if (preg_match('/ ([a-z]{2})-([a-z]{2})/', $HTTP_USER_AGENT, $regs))
$this->lang = $regs[1];
else
$this->lang = 'en';
$this->dom = ($this->mz || $this->safari || ($this->ie && $this->ver>=5) || ($this->opera && $this->ver>=7));
$this->pngalpha = $this->mz || $this->safari || ($this->ie && $this->ver>=5.5) ||
($this->ie && $this->ver>=5 && $this->mac) || ($this->opera && $this->ver>=7) ? true : false;
}
}
|
