| 1 | <?php |
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| 2 | |
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| 3 | /* |
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| 4 | +-----------------------------------------------------------------------+ |
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| 5 | | program/include/rcube_browser.php | |
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| 6 | | | |
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| 7 | | This file is part of the Roundcube Webmail client | |
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| 8 | | Copyright (C) 2007-2009, The Roundcube Dev Team | |
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| 9 | | Licensed under the GNU GPL | |
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| 10 | | | |
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| 11 | | PURPOSE: | |
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| 12 | | Class representing the client browser's properties | |
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| 13 | | | |
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| 14 | +-----------------------------------------------------------------------+ |
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| 15 | | Author: Thomas Bruederli <roundcube@gmail.com> | |
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| 16 | +-----------------------------------------------------------------------+ |
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| 17 | |
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| 18 | $Id$ |
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| 19 | |
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| 20 | */ |
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| 21 | |
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| 22 | /** |
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| 23 | * rcube_browser |
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| 24 | * |
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| 25 | * Provide details about the client's browser based on the User-Agent header |
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| 26 | * |
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| 27 | * @package Core |
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| 28 | */ |
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| 29 | class rcube_browser |
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| 30 | { |
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| 31 | function __construct() |
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| 32 | { |
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| 33 | $HTTP_USER_AGENT = strtolower($_SERVER['HTTP_USER_AGENT']); |
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| 34 | |
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| 35 | $this->ver = 0; |
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| 36 | $this->win = strpos($HTTP_USER_AGENT, 'win') != false; |
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| 37 | $this->mac = strpos($HTTP_USER_AGENT, 'mac') != false; |
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| 38 | $this->linux = strpos($HTTP_USER_AGENT, 'linux') != false; |
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| 39 | $this->unix = strpos($HTTP_USER_AGENT, 'unix') != false; |
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| 40 | |
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| 41 | $this->opera = strpos($HTTP_USER_AGENT, 'opera') !== false; |
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| 42 | $this->ns4 = strpos($HTTP_USER_AGENT, 'mozilla/4') !== false && strpos($HTTP_USER_AGENT, 'msie') === false; |
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| 43 | $this->ns = ($this->ns4 || strpos($HTTP_USER_AGENT, 'netscape') !== false); |
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| 44 | $this->ie = !$this->opera && strpos($HTTP_USER_AGENT, 'compatible; msie') !== false; |
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| 45 | $this->mz = !$this->ie && strpos($HTTP_USER_AGENT, 'mozilla/5') !== false; |
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| 46 | $this->chrome = strpos($HTTP_USER_AGENT, 'chrome') !== false; |
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| 47 | $this->khtml = strpos($HTTP_USER_AGENT, 'khtml') !== false; |
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| 48 | $this->safari = !$this->chrome && ($this->khtml || strpos($HTTP_USER_AGENT, 'safari') !== false); |
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| 49 | |
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| 50 | if ($this->ns || $this->chrome) { |
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| 51 | $test = preg_match('/(mozilla|chrome)\/([0-9.]+)/', $HTTP_USER_AGENT, $regs); |
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| 52 | $this->ver = $test ? (float)$regs[2] : 0; |
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| 53 | } |
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| 54 | else if ($this->mz) { |
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| 55 | $test = preg_match('/rv:([0-9.]+)/', $HTTP_USER_AGENT, $regs); |
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| 56 | $this->ver = $test ? (float)$regs[1] : 0; |
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| 57 | } |
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| 58 | else if ($this->ie || $this->opera) { |
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| 59 | $test = preg_match('/(msie|opera) ([0-9.]+)/', $HTTP_USER_AGENT, $regs); |
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| 60 | $this->ver = $test ? (float)$regs[2] : 0; |
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| 61 | } |
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| 62 | |
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| 63 | if (preg_match('/ ([a-z]{2})-([a-z]{2})/', $HTTP_USER_AGENT, $regs)) |
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| 64 | $this->lang = $regs[1]; |
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| 65 | else |
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| 66 | $this->lang = 'en'; |
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| 67 | |
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| 68 | $this->dom = ($this->mz || $this->safari || ($this->ie && $this->ver>=5) || ($this->opera && $this->ver>=7)); |
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| 69 | $this->pngalpha = $this->mz || $this->safari || ($this->ie && $this->ver>=5.5) || |
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| 70 | ($this->ie && $this->ver>=5 && $this->mac) || ($this->opera && $this->ver>=7) ? true : false; |
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| 71 | $this->imgdata = !$this->ie; |
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| 72 | } |
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| 73 | } |
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| 74 | |
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