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1 <?php
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2
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3 /**
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4 +-----------------------------------------------------------------------+
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5 | This file is part of the Roundcube Webmail client |
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6 | Copyright (C) 2007-2015, The Roundcube Dev Team |
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7 | |
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8 | Licensed under the GNU General Public License version 3 or |
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9 | any later version with exceptions for skins & plugins. |
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10 | See the README file for a full license statement. |
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11 | |
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12 | PURPOSE: |
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13 | Class representing the client browser's properties |
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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
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19 /**
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20 * Provide details about the client's browser based on the User-Agent header
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21 *
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22 * @package Framework
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23 * @subpackage Utils
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24 */
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25 class rcube_browser
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26 {
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27 function __construct()
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28 {
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29 $HTTP_USER_AGENT = strtolower($_SERVER['HTTP_USER_AGENT']);
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30
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31 $this->ver = 0;
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32 $this->win = strpos($HTTP_USER_AGENT, 'win') != false;
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33 $this->mac = strpos($HTTP_USER_AGENT, 'mac') != false;
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34 $this->linux = strpos($HTTP_USER_AGENT, 'linux') != false;
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35 $this->unix = strpos($HTTP_USER_AGENT, 'unix') != false;
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36
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37 $this->webkit = strpos($HTTP_USER_AGENT, 'applewebkit') !== false;
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38 $this->opera = strpos($HTTP_USER_AGENT, 'opera') !== false || ($this->webkit && strpos($HTTP_USER_AGENT, 'opr/') !== false);
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39 $this->ns = strpos($HTTP_USER_AGENT, 'netscape') !== false;
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40 $this->chrome = !$this->opera && strpos($HTTP_USER_AGENT, 'chrome') !== false;
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41 $this->ie = !$this->opera && (strpos($HTTP_USER_AGENT, 'compatible; msie') !== false || strpos($HTTP_USER_AGENT, 'trident/') !== false);
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42 $this->safari = !$this->opera && !$this->chrome && ($this->webkit || strpos($HTTP_USER_AGENT, 'safari') !== false);
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43 $this->mz = !$this->ie && !$this->safari && !$this->chrome && !$this->ns && !$this->opera && strpos($HTTP_USER_AGENT, 'mozilla') !== false;
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44
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45 if ($this->opera) {
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46 if (preg_match('/(opera|opr)\/([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
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47 $this->ver = (float) $regs[2];
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48 }
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49 }
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50 else if (preg_match('/(chrome|msie|version|khtml)(\s*|\/)([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
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51 $this->ver = (float) $regs[3];
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52 }
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53 else if (preg_match('/rv:([0-9.]+)/', $HTTP_USER_AGENT, $regs)) {
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54 $this->ver = (float) $regs[1];
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55 }
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56
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57 if (preg_match('/ ([a-z]{2})-([a-z]{2})/', $HTTP_USER_AGENT, $regs)) {
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58 $this->lang = $regs[1];
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59 }
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60 else {
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61 $this->lang = 'en';
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62 }
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63
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64 $this->dom = $this->mz || $this->safari || ($this->ie && $this->ver>=5) || ($this->opera && $this->ver>=7);
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65 $this->pngalpha = $this->mz || $this->safari || ($this->ie && $this->ver>=5.5) ||
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66 ($this->ie && $this->ver>=5 && $this->mac) || ($this->opera && $this->ver>=7);
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67 $this->imgdata = !$this->ie;
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68 }
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69 }
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