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Your IP : 216.73.216.152
<?php
/**
* JCH Optimize - Aggregate and minify external resources for optmized downloads
*
* @author Samuel Marshall <sdmarshall73@gmail.com>
* @copyright Copyright (c) 2010 Samuel Marshall
* @license GNU/GPLv3, See LICENSE file
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* If LICENSE file missing, see <http://www.gnu.org/licenses/>.
*/
defined('_JCH_EXEC') or die('Restricted access');
class JchOptimizeBrowser
{
//adler32 hash of response from http://fonts.googleapis.com/css?family=Racing+Sans+One/file type
protected $fontHash = '34fd5b32/ttf';
protected $browser = 'Unknown';
protected $version = 0.0;
protected static $instances = array();
public function __construct($userAgent)
{
$this->parseUserAgent($userAgent);
}
public static function getInstance($userAgent = '')
{
if ($userAgent == '' && isset($_SERVER['HTTP_USER_AGENT']))
{
$userAgent = trim($_SERVER['HTTP_USER_AGENT']);
}
$signature = md5($userAgent);
if (!isset(self::$instances[$signature]))
{
self::$instances[$signature] = new JchOptimizeBrowser($userAgent);
}
return self::$instances[$signature];
}
public function parseUserAgent($userAgent)
{
JCH_DEBUG ? JchPlatformProfiler::start('ParseUserAgent') : null;
//Chrome
if (preg_match('#^(?:(?=[^(]*+\([^AM)]*+(Android|Macintosh)))?(?>(?:Mozilla|AppleWebKit|Safari)/[\d. ]*+(?:\([^)]*+\)(?:[^()]*+\))*\s*+)?|Chrome/(\d++\.\d++)[\d. ]*+|Mobile\s*+){4,5}$|'
. '^(?=[^(]*+\([^A)]*+Android)(?=(?>V?[^V]*+)*?Version/)(?>(?:Mozilla|AppleWebKit|Safari|Version)/[\d. ]*+(?:\([^)]*+\)(?:[^()]*+\))*\s*+)?|Chrome/(\d++\.\d++)[\d. ]*+|Mobile\s*+){5,6}$|'
. '^(?>(?:Mozilla|AppleWebKit|Safari|Chrome)/[\d. ]*+(?:\([^)]*+\)(?:[^()]*+\))*\s*+)?|Chromium/(\d++\.\d++)[\d. ]*+|(?:Fedora|Ubuntu)/?[\d. ]*+){5,6}#',
$userAgent, $version))
{
if (!empty($version[2]))
{
$this->browser = 'Chrome';
$this->version = (float) $version[2];
}
elseif (!empty($version[3]))
{
$this->browser = 'Android WebView';
$this->version = (float) $version[3];
}
elseif (!empty($version[4]))
{
$this->browser = 'Chromium';
$this->version = (float) $version[4];
}
if (!empty($version[1]) || $this->browser == 'Android WebView')
{
if ($this->version >= 40)
{
$this->fontHash = 'c0fbf0f0/woff2';
}
elseif ($this->version >= 36)
{
$this->fontHash = 'd70f5a27/woff2';
}
elseif ($this->version >= 31)
{
$this->fontHash = '1578596c/woff';
}
else
{
$this->fontHash = '34c6462b/woff';
}
}
else
{
if ($this->version >= 40)
{
$this->fontHash = 'd858f13e/woff2';
}
elseif ($this->version >= 36)
{
$this->fontHash = 'c9ad59db/woff2';
}
else
{
$this->fontHash = '1dc159a2/woff';
}
}
}
//Firefox
elseif (preg_match('#^(?=(?>F?[^F]*+)*?Firefox/(\d++\.\d++))(?:(?=[^(]*+\((?>[AiM]?[^AiM)]*+)*?(Android|(?:Macintosh|iP(?:[oa]d|hone)))))?(?>(?:Mozilla|MyWebkit|Gecko|Firefox|Navigator|TenFourFox)/[\d. ]*+(?:\([^)]*+\)(?:[^()]*+\))*\s*+)?|[^/]++){3,4}$#',
$userAgent, $version))
{
$this->browser = 'Firefox';
$this->version = (float) $version[1];
if (!empty($version[2]) && $version[2] == 'Android')
{
if ($this->version >= 35)
{
$this->fontHash = '9a0a6e1c/woff2/woff';
}
elseif ($this->version >= 3.6)
{
$this->fontHash = '34c6462b/woff';
}
}
elseif (!empty($version[2])) //iOS
{
if ($this->version >= 35)
{
$this->fontHash = '34b7815d/woff2/woff';
}
elseif ($this->version >= 3.6)
{
$this->fontHash = '1578596c/woff';
}
else
{
$this->fontHash = '269b5aae/ttf';
}
}
else
{
if ($this->version >= 35)
{
$this->fontHash = '0dc68147/woff2/woff';
}
elseif ($this->version >= 3.6)
{
$this->fontHash = '1dc159a2/woff';
}
}
}
//Opera
elseif (preg_match('#^(?=(?>V?[^V]*+)*?Version/(\d++\.\d++))(?:(?=[^(]*+\([^O)]*+Opera\s*+Mini/(\d++\.\d++)))?(?>(?:Opera|Presto|Version)/[\d. ]*+(?:\([^)]*+\)(?:[^()]*+\))*\s*+)?|[^/]++){3}$|'
. '^(?=(?>O?[^O]*+)*?OPR/(\d++\.\d++))(?:(?=[^(]*+\([^M)]*+(Macintosh)))?(?>(?:Mozilla|AppleWebKit|Chrome|Safari|OPR)/[\d. ]*+(?:\([^)]*+\)(?:[^()]*+\))*\s*+)?|[^/]++){5}$#',
$userAgent, $version))
{
if (!empty($version[2]))
{
$this->browser = 'Opera Mini';
$this->version = (float) $version[2];
}
else
{
$this->browser = 'Opera';
$this->version = (float) (!empty($version[1]) ? $version[1] : $version[3]);
}
if (!empty($version[4]) && $version[4] == 'Macintosh')
{
if ($this->version >= 23)
{
$this->fontHash = 'c0fbf0f0/woff2';
}
elseif ($this->version >= 11.1)
{
$this->fontHash = '1578596c/woff';
}
else
{
$this->fontHash = '269b5aae/ttf';
}
}
else
{
if ($this->version >= 23)
{
$this->fontHash = 'd858f13e/woff2';
}
elseif ($this->version >= 11.1)
{
$this->fontHash = '1dc159a2/woff';
}
}
}
//Safari
elseif (preg_match('#^(?:(?=[^(]*+\(\s*+(?:Macintosh|iP(?:[oa]d|hone))[^O)]++OS\s*+X?\s*+(\d++[_.]\d*+)))?(?:(?=(?>[CV]?[^CV]*+)*?(CriOS|Version)/(\d++\.\d++)))?(?>(?:Mozilla|AppleWebKit|Version|Mobile|Safari|CriOS|OPiOS)/[\d.\w]*+\s*+(?:\([^)]*+\)(?:[^()]*+\))*\s*+)?){4,5}$#',
$userAgent, $version))
{
if (!empty($version[2]) && $version[2] == 'CriOS')
{
$this->browser = 'Chrome';
}
else
{
$this->browser = 'Safari';
}
if (!empty($version[3]))
{
$this->version = (float) $version[3];
}
if (!empty($version[1]))
{
$os_version = (float) (str_replace('_', '.', $version[1])); // OS version
if ($this->version >= 5 || $this->version == 0.0)
{
$this->fontHash = '1578596c/woff';
}
elseif ($this->version < 5 && $os_version <= 4.2)
{
$this->fontHash = 'd7745f9b/svg';
}
elseif ($this->version < 5 && $os_version > 4.2)
{
$this->fontHash = '269b5aae/ttf';
}
}
}
//IE
elseif (preg_match('#^Mozilla/5\.0\s*+\(\s*+Windows\s++(?:NT|Phone)[^T)]*+Trident[^r)]*+rv:(\d++)\.[^)]*+\)\s*+like\s++Gecko\s*+|'
. '^Mozilla/[\d. ]*+\(compatible;\s*+MSIE (\d++)\.#', $userAgent, $version))
{
$this->browser = 'IE';
$this->version = (float) (!empty($version[1]) ? $version[1] : $version[2]);
if ($this->version >= 9)
{
$this->fontHash = '1dc159a2/woff';
}
else
{
$this->fontHash = 'ea09403b/eot';
}
}
//Edge
elseif (preg_match('#^(?>(?:Mozilla|AppleWebKit|Safari|Chrome)/[\d. ]*+(?:\([^)]*+\)(?:[^()]*+\))*\s*+)?)++Edge/(\d++\.\d++)[\d. ]*+#',
$userAgent, $version))
{
$this->browser = 'Edge';
$this->version = (float) (!empty($version[1]) ? $version[1] : $this->version);
$this->fontHash = '1dc159a2/woff';
}
JCH_DEBUG ? JchPlatformProfiler::stop('ParseUserAgent', TRUE) : null;
}
public function getBrowser()
{
return $this->browser;
}
public function getFontHash()
{
return $this->fontHash;
}
public function getVersion()
{
return $this->version;
}
}