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78 lines
3.4 KiB
PHP
78 lines
3.4 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/include/rcube_browser.php |
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| This file is part of the Roundcube Webmail client |
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| Copyright (C) 2007-2009, The Roundcube Dev Team |
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| Licensed under the GNU General Public License version 3 or |
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| any later version with exceptions for skins & plugins. |
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| See the README file for a full license statement. |
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| PURPOSE: |
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| Class representing the client browser's properties |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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+-----------------------------------------------------------------------+
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$Id$
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*/
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/**
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* rcube_browser
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*
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* Provide details about the client's browser based on the User-Agent header
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*
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* @package Core
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*/
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class rcube_browser
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{
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function __construct()
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{
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$HTTP_USER_AGENT = strtolower($_SERVER['HTTP_USER_AGENT']);
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$this->ver = 0;
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$this->win = strpos($HTTP_USER_AGENT, 'win') != false;
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$this->mac = strpos($HTTP_USER_AGENT, 'mac') != false;
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$this->linux = strpos($HTTP_USER_AGENT, 'linux') != false;
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$this->unix = strpos($HTTP_USER_AGENT, 'unix') != false;
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$this->opera = strpos($HTTP_USER_AGENT, 'opera') !== false;
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$this->ns4 = strpos($HTTP_USER_AGENT, 'mozilla/4') !== false && strpos($HTTP_USER_AGENT, 'msie') === false;
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$this->ns = ($this->ns4 || strpos($HTTP_USER_AGENT, 'netscape') !== false);
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$this->ie = !$this->opera && strpos($HTTP_USER_AGENT, 'compatible; msie') !== false;
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$this->mz = !$this->ie && strpos($HTTP_USER_AGENT, 'mozilla/5') !== false;
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$this->chrome = strpos($HTTP_USER_AGENT, 'chrome') !== false;
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$this->khtml = strpos($HTTP_USER_AGENT, 'khtml') !== false;
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$this->safari = !$this->chrome && ($this->khtml || strpos($HTTP_USER_AGENT, 'safari') !== false);
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if ($this->ns || $this->chrome) {
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$test = preg_match('/(mozilla|chrome)\/([0-9.]+)/', $HTTP_USER_AGENT, $regs);
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$this->ver = $test ? (float)$regs[2] : 0;
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}
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else if ($this->mz) {
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$test = preg_match('/rv:([0-9.]+)/', $HTTP_USER_AGENT, $regs);
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$this->ver = $test ? (float)$regs[1] : 0;
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}
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else if ($this->ie || $this->opera) {
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$test = preg_match('/(msie|opera) ([0-9.]+)/', $HTTP_USER_AGENT, $regs);
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$this->ver = $test ? (float)$regs[2] : 0;
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}
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if (preg_match('/ ([a-z]{2})-([a-z]{2})/', $HTTP_USER_AGENT, $regs))
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$this->lang = $regs[1];
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else
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$this->lang = 'en';
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$this->dom = ($this->mz || $this->safari || ($this->ie && $this->ver>=5) || ($this->opera && $this->ver>=7));
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$this->pngalpha = $this->mz || $this->safari || ($this->ie && $this->ver>=5.5) ||
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($this->ie && $this->ver>=5 && $this->mac) || ($this->opera && $this->ver>=7) ? true : false;
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$this->imgdata = !$this->ie;
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}
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}
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