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
{
/** @var float $ver Browser version */
public $ver = 0;
/** @var bool $win Browser OS is Windows */
public $win = false;
/** @var bool $mac Browser OS is Mac */
public $mac = false;
/** @var bool $linux Browser OS is Linux */
public $linux = false;
/** @var bool $unix Browser OS is Unix */
public $unix = false;
/** @var bool $webkit Browser uses WebKit engine */
public $webkit = false;
/** @var bool $opera Browser is Opera */
public $opera = false;
/** @var bool $chrome Browser is Chrome */
public $chrome = false;
/** @var bool $ie Browser is Internet Explorer */
public $ie = false;
/** @var bool $edge Browser is Edge */
public $edge = false;
/** @var bool $safari Browser is Safari */
public $safari = false;
/** @var bool $mz Browser is Mozilla Firefox */
public $mz = false;
/**
* Object constructor
*/
public function __construct()
{
$HTTP_USER_AGENT = !empty($_SERVER['HTTP_USER_AGENT']) ? strtolower($_SERVER['HTTP_USER_AGENT']) : '';
// Operating system detection
$this->win = strpos($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;
// Engine detection
$this->webkit = strpos($HTTP_USER_AGENT, 'applewebkit') !== false;
$this->opera = strpos($HTTP_USER_AGENT, 'opera') !== false || ($this->webkit && strpos($HTTP_USER_AGENT, 'opr/') !== false);
$this->edge = strpos($HTTP_USER_AGENT, 'edge/') !== false;
$this->ie = !$this->opera && !$this->edge && (strpos($HTTP_USER_AGENT, 'compatible; msie') !== false || strpos($HTTP_USER_AGENT, 'trident/') !== false);
$this->chrome = !$this->opera && !$this->edge && strpos($HTTP_USER_AGENT, 'chrome') !== false;
$this->safari = !$this->opera && !$this->chrome && !$this->edge
&& ($this->webkit || strpos($HTTP_USER_AGENT, 'safari') !== false);
$this->mz = !$this->ie && !$this->edge && !$this->safari && !$this->chrome && !$this->opera
&& strpos($HTTP_USER_AGENT, 'mozilla') !== false;
// Version detection
if ($this->edge && preg_match('/edge\/([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
$this->ver = (float) $regs[1];
}
else if ($this->opera && preg_match('/(opera|opr)(\s*|\/)([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
$this->ver = (float) $regs[3];
}
else if ($this->safari && preg_match('/(version|safari)\/([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
$this->ver = (float) $regs[1];
}
else if (preg_match('/(chrome|khtml|version|msie|rv:)(\s*|\/)([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
$this->ver = (float) $regs[3];
}
}
}