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<?php
/**
* @version $Id: gantrybrowser.class.php 30238 2016-03-31 18:06:40Z matias $
* @author RocketTheme http://www.rockettheme.com
* @copyright Copyright (C) 2007 - 2016 RocketTheme, LLC
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
*
* Gantry uses the Joomla Framework (http://www.joomla.org), a GNU/GPLv2 content management system
*
*/
defined('GANTRY_VERSION') or die();
/**
* @package gantry
* @subpackage core
*/
class GantryBrowser
{
/**
*
* @var string The User Agent String for the Browser
*/
protected $user_agent;
/**
* @var string the general name of the Browser
*/
protected $name;
/**
* @var string the browser version
*/
protected $version;
/**
* @var string the short browser version
*/
protected $shortversion;
/**
* @var string the OS platform the browser is running on
*/
protected $platform;
/**
* @var string the base engine the browser uses
*/
protected $engine;
/**
* @var array the additional file checks based on the browser
*/
protected $checks = array();
/**
* @param $name
*
* @return mixed|null
*/
public function __get($name)
{
switch ($name) {
case 'checks':
return null;
break;
case 'shortver':
return $this->shortversion;
break;
case 'longver':
return $this->version;
break;
case 'browser':
return $this->name;
break;
default:
if (property_exists($this, $name) && isset($this->{$name})) {
return $this->{$name};
} elseif (method_exists($this, 'get' . ucfirst($name))) {
return call_user_func(array($this, 'get' . ucfirst($name)));
} else {
return null;
}
}
}
/**
*
*/
public function __construct()
{
$this->user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "unknown";
$this->checkPlatform();
$this->checkBrowser();
$this->checkEngine();
// add short version
if ($this->version != 'unknown') $this->shortversion = substr($this->version, 0, strpos($this->version, '.')); else $this->shortversion = 'unknown';
$this->createChecks();
}
/**
* @return mixed
*/
protected function checkPlatform()
{
preg_match('/(CrOS|Tizen|iPhone|iPod|iPad|Android|Mobile|Windows(\ Phone)?|win|Silk|mac|linux|BlackBerry|X11|(New\ )?Nintendo\ (WiiU?|3?DS)|Xbox(\ One))/i', $this->user_agent, $matches);
if (isset($matches[0]))
{
return $this->platform = strtolower($matches[0]);
}
return $this->platform = 'unknown';
}
/**
*
*/
protected function checkEngine()
{
preg_match('/(trident|dillo|blink|edgehtml|gecko|goanna|khtml|martha|netsurf|presto|prince|robin|servo|tkhtml|webkit)/i', $this->user_agent, $matches);
if (isset($matches[0]))
{
$this->engine = strtolower($matches[0]);
}
else
{
$this->engine = 'unknown';
}
}
/**
*
*/
protected function checkBrowser()
{
// IE
if (preg_match('/msie/i', $this->user_agent) && !preg_match('/opera/i', $this->user_agent))
{
$result = explode(' ', stristr(str_replace(';', ' ', $this->user_agent), 'msie'));
$this->name = 'ie';
//wrap version check in an if statement and check platform token is greater than windows NT 6.1
if (isset ($result[1]) && preg_match('/windows nt 6[\.1-9]{0,}/i', $this->user_agent))
{
$version = explode(' ', $result[1]);
//double check if the user agent claims to be IE 7 on Win 7 or above, then force min IE8
if ($version[0] = 7)
{
$this-> version = '8';
}
else
{
$this->version = $version[0];
}
}
elseif (isset ($result[1]) && preg_match('/windows nt [0-5]{0,}[\.0-9]{0,}/i', $this->user_agent))
{
$version = explode(' ', $result[1]);
$this->version = $version[0];
}
else
{
$this->version = 'unknown';
}
}
//IE 11+
elseif (preg_match('#Trident\/.*rv:([0-9]{1,}[\.0-9]{0,})#i',$this->user_agent,$matches))
{
$this->name = 'ie';
//wrap version check in an if statement and check platform token is greater than windows NT 6.1
if (isset ($matches[1]) && preg_match('/windows nt 6[\.1-9]{0,}/i', $this->user_agent))
{
$version = explode(' ', $matches[1]);
$this->version = $version[0];
}
elseif (isset ($result[1]) && preg_match('/windows nt [0-5]{0,}[\.0-9]{0,}/i', $this->user_agent))
{
$version = explode(' ', $result[1]);
$this->version = $version[0];
}
else
{
$this->version = 'unknown';
}
}
//Edge
elseif (preg_match('#Edge\/.*rv:([0-9]{1,}[\.0-9]{0,})#i',$this->user_agent,$matches))
{
$this->name = 'edge';
//wrap version check in an if statement and check platform token is greater than windows NT 10.0
if (isset ($matches[1]) && preg_match('/windows nt 10[\.0-9]{0,}/i', $this->user_agent))
{
$version = explode(' ', $matches[1]);
$this->version = $version[0];
}
elseif (isset ($result[1]) && preg_match('/windows nt [0-9]{0,}[\.0-9]{0,}/i', $this->user_agent))
{
$version = explode(' ', $result[1]);
$this->version = $version[0];
}
else
{
$this->version = 'unknown';
}
}
// if user agent could be identified as MS Word.
elseif (preg_match('/(\bWord\b|ms-office|MSOffice|Microsoft Office|sms-office|office)/i', $this->user_agent))
{
$result = explode('/', stristr($this->user_agent, 'Microsoft Office'));
$version = explode(' ', $result[1]);
$this->name = 'office';
$this->version = $version[0];
}
// Firefox
elseif (preg_match('/Firefox/', $this->user_agent))
{
$result = explode('/', stristr($this->user_agent, 'Firefox'));
$version = explode(' ', $result[1]);
$this->name = 'firefox';
$this->version = $version[0];
}
// Minefield
elseif (preg_match('/Minefield/', $this->user_agent))
{
$result = explode('/', stristr($this->user_agent, 'Minefield'));
$version = explode(' ', $result[1]);
$this->name = 'minefield';
$this->version = $version[0];
}
// Chrome
elseif (preg_match('/Chrome/', $this->user_agent))
{
$result = explode('/', stristr($this->user_agent, 'Chrome'));
$version = explode(' ', $result[1]);
$this->name = 'chrome';
$this->version = $version[0];
}
//Safari
elseif (preg_match('/Safari/', $this->user_agent) && !preg_match('/iPhone/', $this->user_agent) && !preg_match('/iPod/', $this->user_agent) && !preg_match('/iPad/', $this->user_agent))
{
$result = explode('/', stristr($this->user_agent, 'Version'));
$this->name = 'safari';
if (isset ($result[1])) {
$version = explode(' ', $result[1]);
$this->version = $version[0];
} else {
$this->version = 'unknown';
}
}
// Opera
elseif (preg_match('/opera/i', $this->user_agent))
{
$result = stristr($this->user_agent, 'opera');
if (preg_match('/\//', $result))
{
$result = explode('/', $result);
$version = explode(' ', $result[1]);
$this->name = 'opera';
$this->version = $version[0];
}
else
{
$version = explode(' ', stristr($result, 'opera'));
$this->name = 'opera';
$this->version = $version[1];
}
}
// iPod
elseif (preg_match('/iPod/', $this->user_agent))
{
$result = explode('/', stristr($this->user_agent, 'Version'));
$this->name = 'ipod';
if (isset ($result[1])) {
$version = explode(' ', $result[1]);
$this->version = $version[0];
} else {
$this->version = 'unknown';
}
}
// iPhone
elseif (preg_match('/iPhone/', $this->user_agent))
{
$result = explode('/', stristr($this->user_agent, 'Version'));
$this->name = 'iphone';
if (isset ($result[1])) {
$version = explode(' ', $result[1]);
$this->version = $version[0];
} else {
$this->version = 'unknown';
}
}
// iPad
elseif (preg_match('/iPad/', $this->user_agent))
{
$result = explode('/', stristr($this->user_agent, 'Version'));
$this->name = 'ipad';
if (isset ($result[1])) {
$version = explode(' ', $result[1]);
$this->version = $version[0];
}
else
{
$this->version = 'unknown';
}
}
// Android
elseif (preg_match('/Android/', $this->user_agent))
{
$result = explode('/', stristr($this->user_agent, 'Version'));
$this->name = 'android';
if (isset ($result[1]))
{
$version = explode(' ', $result[1]);
$this->version = $version[0];
}
else
{
$this->version = "unknown";
}
}
else
{
$this->name = "unknown";
$this->version = "unknown";
}
}
/**
*
*/
protected function createChecks()
{
$this->_checks = array(
'', // filename
'-' . $this->name, // browser check
'-' . $this->platform, // platform check
'-' . $this->engine, // render engine
'-' . $this->name . '-' . $this->platform, // browser + platform check
'-' . $this->name . $this->shortversion, // short browser version check
'-' . $this->name . $this->version, // longbrowser version check
'-' . $this->name . $this->shortversion . '-' . $this->platform, // short browser version + platform check
'-' . $this->name . $this->version . '-' . $this->platform // longbrowser version + platform check
);
}
/**
* @param $file
* @param bool $keep_path
*
* @return array
*/
public function getChecks($file, $keep_path = false)
{
$checkfiles = array();
$ext = substr($file, strrpos($file, '.'));
$path = ($keep_path) ? dirname($file) . '/' : '';
$filename = basename($file, $ext);
foreach ($this->_checks as $suffix)
{
$checkfiles[] = $path . $filename . $suffix . $ext;
}
return $checkfiles;
}
}