alecpl
2010-09-25 e019f2d0f2dc2fbfa345ab5d7ae85e67bfdd76b8
commit | author | age
47124c 1 <?php
T 2
3 /*
4  +-----------------------------------------------------------------------+
5  | program/include/rcube_browser.php                                     |
6  |                                                                       |
e019f2 7  | This file is part of the Roundcube Webmail client                     |
A 8  | Copyright (C) 2007-2009, Roundcube Dev. - Switzerland                 |
47124c 9  | Licensed under the GNU GPL                                            |
T 10  |                                                                       |
11  | PURPOSE:                                                              |
12  |   Class representing the client browser's properties                  |
13  |                                                                       |
14  +-----------------------------------------------------------------------+
15  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
16  +-----------------------------------------------------------------------+
17
638fb8 18  $Id$
47124c 19
T 20 */
21
22 /** 
23  * rcube_browser
24  * 
25  * Provide details about the client's browser based on the User-Agent header
26  *
27  * @package Core
28  */
29 class rcube_browser
30 {
31     function __construct()
32     {
2aa2b3 33         $HTTP_USER_AGENT = strtolower($_SERVER['HTTP_USER_AGENT']);
47124c 34
T 35         $this->ver = 0;
2aa2b3 36         $this->win = strstr($HTTP_USER_AGENT, 'win');
A 37         $this->mac = strstr($HTTP_USER_AGENT, 'mac');
38         $this->linux = strstr($HTTP_USER_AGENT, 'linux');
39         $this->unix  = strstr($HTTP_USER_AGENT, 'unix');
47124c 40
2aa2b3 41         $this->opera = strstr($HTTP_USER_AGENT, 'opera');
A 42         $this->ns4 = strstr($HTTP_USER_AGENT, 'mozilla/4') && !strstr($HTTP_USER_AGENT, 'msie');
43         $this->ns  = ($this->ns4 || strstr($HTTP_USER_AGENT, 'netscape'));
44         $this->ie  = !$this->opera && strstr($HTTP_USER_AGENT, 'compatible; msie');
45         $this->mz  = strstr($HTTP_USER_AGENT, 'mozilla/5');
46         $this->chrome = strstr($HTTP_USER_AGENT, 'chrome');
47         $this->khtml = strstr($HTTP_USER_AGENT, 'khtml');
48         $this->safari = !$this->chrome && ($this->khtml || strstr($HTTP_USER_AGENT, 'safari'));
47124c 49
c2e697 50         if ($this->ns || $this->chrome) {
2aa2b3 51             $test = preg_match('/(mozilla|chrome)\/([0-9.]+)/', $HTTP_USER_AGENT, $regs);
c2e697 52             $this->ver = $test ? (float)$regs[2] : 0;
47124c 53         }
c2e697 54         else if ($this->mz) {
23a2ee 55             $test = preg_match('/rv:([0-9.]+)/', $HTTP_USER_AGENT, $regs);
47124c 56             $this->ver = $test ? (float)$regs[1] : 0;
T 57         }
c2e697 58         else if ($this->ie || $this->opera) {
2aa2b3 59             $test = preg_match('/(msie|opera) ([0-9.]+)/', $HTTP_USER_AGENT, $regs);
c2e697 60             $this->ver = $test ? (float)$regs[2] : 0;
47124c 61         }
T 62
2aa2b3 63         if (preg_match('/ ([a-z]{2})-([a-z]{2})/', $HTTP_USER_AGENT, $regs))
47124c 64             $this->lang =  $regs[1];
T 65         else
66             $this->lang =  'en';
67
68         $this->dom = ($this->mz || $this->safari || ($this->ie && $this->ver>=5) || ($this->opera && $this->ver>=7));
69         $this->pngalpha = $this->mz || $this->safari || ($this->ie && $this->ver>=5.5) ||
70             ($this->ie && $this->ver>=5 && $this->mac) || ($this->opera && $this->ver>=7) ? true : false;
71     }
b25dfd 72 }
47124c 73