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rcube_browser.php
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rcube_browser.php
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<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| |
| Copyright (C) The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Class representing the client browser's properties |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
*/
/**
* Provide details about the client's browser based on the User-Agent header
*
* @package Framework
* @subpackage Utils
*/
class rcube_browser
{
function __construct()
{
$HTTP_USER_AGENT = strtolower($_SERVER['HTTP_USER_AGENT']);
$this->ver = 0;
$this->win = strpos($HTTP_USER_AGENT, 'win') != false;
$this->mac = strpos($HTTP_USER_AGENT, 'mac') != false;
$this->linux = strpos($HTTP_USER_AGENT, 'linux') != false;
$this->unix = strpos($HTTP_USER_AGENT, 'unix') != false;
$this->webkit = strpos($HTTP_USER_AGENT, 'applewebkit') !== false;
$this->opera = strpos($HTTP_USER_AGENT, 'opera') !== false || ($this->webkit && strpos($HTTP_USER_AGENT, 'opr/') !== false);
$this->ns = strpos($HTTP_USER_AGENT, 'netscape') !== false;
$this->chrome = !$this->opera && strpos($HTTP_USER_AGENT, 'chrome') !== false;
$this->ie = !$this->opera && (strpos($HTTP_USER_AGENT, 'compatible; msie') !== false || strpos($HTTP_USER_AGENT, 'trident/') !== false);
$this->safari = !$this->opera && !$this->chrome && ($this->webkit || strpos($HTTP_USER_AGENT, 'safari') !== false);
$this->mz = !$this->ie && !$this->safari && !$this->chrome && !$this->ns && !$this->opera && strpos($HTTP_USER_AGENT, 'mozilla') !== false;
if ($this->opera) {
if (preg_match('/(opera|opr)\/([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
$this->ver = (float) $regs[2];
}
}
else if (preg_match('/(chrome|msie|version|khtml)(\s*|\/)([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
$this->ver = (float) $regs[3];
}
else if (preg_match('/rv:([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
$this->ver = (float) $regs[1];
}
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);
$this->imgdata = !$this->ie;
}
}

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