detect.php

FP2 CRM code+Mysql DB

<?php
// {{{ license

// +----------------------------------------------------------------------+
// | PHP version 4.2                                                      |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group                                |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license,       |
// | that is bundled with this package in the file LICENSE, and is        |
// | available at through the world-wide-web at                           |
// | http://www.php.net/license/2_02.txt.                                 |
// | If you did not receive a copy of the PHP license and are unable to   |
// | obtain it through the world-wide-web, please send a note to          |
// | [e-mail] so we can mail you a copy immediately.               |
// +----------------------------------------------------------------------+
// | Authors: Dan Allen <[e-mail]>                             |
// |          Jason Rust <[e-mail]>                                  |
// +----------------------------------------------------------------------+

// $Id: Detect.php,v 1.12 2004/03/10 20:22:34 jrust Exp $

// }}}
// {{{ constants

define('NET_USERAGENT_DETECT_BROWSER',  'browser');
define('NET_USERAGENT_DETECT_OS',       'os');
define('NET_USERAGENT_DETECT_FEATURES', 'features');
define('NET_USERAGENT_DETECT_QUIRKS',   'quirks');
define('NET_USERAGENT_DETECT_ACCEPT',   'accept');
define('NET_USERAGENT_DETECT_ALL',      'all');

// }}}
// {{{ class Net_UserAgent_Detect

/**
 * The Net_UserAgent_Detect object does a number of tests on an HTTP user
 * agent string.  The results of these tests are available via methods of
 * the object.  Note that all methods in this class can be called
 * statically.  The constructor and singleton methods are only retained
 * for BC.
 *
 * This module is based upon the JavaScript browser detection code
 * available at http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html.
 * This module had many influences from the lib/Browser.php code in
 * version 1.3 of Horde.
 *
 * @author   Jason Rust <[e-mail]>
 * @author   Dan Allen <[e-mail]>
 * @author   Chuck Hagenbuch <[e-mail]>
 * @author   Jon Parise <[e-mail]>
 * @package  Net_UserAgent
 */

// }}}
class Net_UserAgent_Detect {
    // {{{ constructor

    function Net_UserAgent_Detect($in_userAgent = null, $in_detect = null)
    {
        $this->detect($in_userAgent, $in_detect);
    }

    // }}}
    // {{{ singleton

    /**
     * To be used in place of the contructor to return only open instance.
     *
     * @access public 
     * @return object Net_UserAgent_Detect instance
     */
    function &singleton($in_userAgent = null, $in_detect = null) 
    { 
        static $instance;
       
        if (!isset($instance)) { 
            $instance = new Net_UserAgent_Detect($in_userAgent, $in_detect); 
        }
        
        return $instance; 
    }

    // }}}
    // {{{ detect()

    /**
     * Detect the user agent and prepare flags, features and quirks
     * based on what is found
     *
     * This is the core of the Net_UserAgent_Detect class.  It moves its
     * way through the user agent string setting up the flags based on
     * the vendors and versions of the browsers, determining the OS and
     * setting up the features and quirks owned by each of the relevant
     * clients.  Note that if you are going to be calling methods of
     * this class statically then set all the parameters using th
     * setOption()
     *
     * @param  string $in_userAgent (optional) User agent override.  
     * @param  mixed $in_detect (optional) The level of checking to do. 
     *
     * @access public
     * @return void
     */
    function detect($in_userAgent = null, $in_detect = null)
    {
        static $hasRun;
        if (!empty($hasRun)) {
            return;
        }

        $hasRun = true;
        // {{{ set up static properties

        $options = &Net_UserAgent_Detect::_getStaticProperty('options');
        $in_userAgent = isset($options['userAgent']) && is_null($in_userAgent) ? $options['userAgent'] : null;
        $in_detect = isset($options['detectOptions']) && is_null($in_detect) ? $options['detectOptions'] : null;

        // User agent string that is being analyzed
        $userAgent = &Net_UserAgent_Detect::_getStaticProperty('userAgent');

        // Array that stores all of the flags for the vendor and version
        // of the different browsers
        $browser = &Net_UserAgent_Detect::_getStaticProperty('browser');
        $browser = array_flip(array('ns', 'ns2', 'ns3', 'ns4', 'ns4up', 'nav', 'ns6', 'ns6up', 'gecko', 'ie', 'ie3', 'ie4', 'ie4up', 'ie5', 'ie5_5', 'ie5up', 'ie6', 'ie6up', 'opera', 'opera2', 'opera3', 'opera4', 'opera5', 'opera5up', 'aol', 'aol3', 'aol4', 'aol5', 'aol6', 'aol7', 'webtv', 'aoltv', 'tvnavigator', 'hotjava', 'hotjava3', 'hotjava3up', 'konq', 'safari'));
        
        // Array that stores all of the flags for the operating systems,
        // and in some cases the versions of those operating systems (windows)
        $os = &Net_UserAgent_Detect::_getStaticProperty('os');
        $os = array_flip(array('win', 'win95', 'win16', 'win31', 'win9x', 'win98', 'winme', 'win2k', 'winxp', 'winnt', 'os2', 'mac', 'mac68k', 'macppc', 'linux', 'unix', 'vms', 'sun', 'sun4', 'sun5', 'suni86', 'irix', 'irix5', 'irix6', 'hpux', 'hpux9', 'hpux10', 'aix', 'aix1', 'aix2', 'aix3', 'aix4', 'sco', 'unixware', 'mpras', 'reliant', 'dec', 'sinix', 'freebsd', 'bsd'));

        // Array which stores known issues with the given client that can
        // be used for on the fly tweaking so that the client may recieve
        // the proper handling of this quirk.
        $quirks = &Net_UserAgent_Detect::_getStaticProperty('quirks');
        $quirks = array(
                'must_cache_forms'         => false,
                'popups_disabled'          => false,
                'empty_file_input_value'   => false,
                'cache_ssl_downloads'      => false,
                'scrollbar_in_way'         => false,
                'break_disposition_header' => false,
                'nested_table_render_bug'  => false);

        // Array that stores credentials for each of the browser/os
        // combinations.  These allow quick access to determine if the
        // current client has a feature that is going to be implemented
        // in the script.
        $features = &Net_UserAgent_Detect::_getStaticProperty('features');
        $features = array(
                'javascript'   => false,
                'dhtml'        => false,
                'dom'          => false,
                'sidebar'      => false,
                'gecko'        => false);

        // The leading identifier is the very first term in the user
        // agent string, which is used to identify clients which are not
        // Mosaic-based browsers.
        $leadingIdentifier = &Net_UserAgent_Detect::_getStaticProperty('leadingIdentifier');

        // The full version of the client as supplied by the very first
        // numbers in the user agent
        $version = &Net_UserAgent_Detect::_getStaticProperty('version');
        $version = 0;

        // The major part of the client version, which is the integer
        // value of the version.
        $majorVersion = &Net_UserAgent_Detect::_getStaticProperty('majorVersion');
        $majorVersion = 0;

        // The minor part of the client version, which is the decimal
        // parts of the version
        $subVersion = &Net_UserAgent_Detect::_getStaticProperty('subVersion');
        $subVersion = 0;

        // }}}
        // detemine what user agent we are using
        if (is_null($in_userAgent)) {
            if (isset($_SERVER['HTTP_USER_AGENT'])) {
                $userAgent = $_SERVER['HTTP_USER_AGENT'];
            }
            elseif (isset($GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'])) {
                $userAgent = $GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'];
            }
            else {
                $userAgent = '';
            }
        }
        else {
            $userAgent = $in_userAgent;
        }

        // get the lowercase version for case-insensitive searching
        $agt = strtolower($userAgent);

        // figure out what we need to look for
        $detectOptions = array(NET_USERAGENT_DETECT_BROWSER,
                NET_USERAGENT_DETECT_OS, NET_USERAGENT_DETECT_FEATURES,
                NET_USERAGENT_DETECT_QUIRKS, NET_USERAGENT_DETECT_ACCEPT, 
                NET_USERAGENT_DETECT_ALL);
        $detect = is_null($in_detect) ? NET_USERAGENT_DETECT_ALL : $in_detect;
        settype($detect, 'array');
        foreach($detectOptions as $option) {
            if (in_array($option, $detect)) {
                $detectFlags[$option] = true; 
            }
            else {
                $detectFlags[$option] = false;
            }
        }

        // initialize the arrays of browsers and operating systems

        // Get the type and version of the client
        if (preg_match(";^([[:alnum:]]+)[ /\(]*[[:alpha:]]*([\d]*)(\.[\d\.]*);", $agt, $matches)) {
            list(, $leadingIdentifier, $majorVersion, $subVersion) = $matches;
        }

        if (empty($leadingIdentifier)) {
            $leadingIdentifier = 'Unknown';
        }

        $version = $majorVersion . $subVersion;
    
        // Browser type
        if ($detectFlags[NET_USERAGENT_DETECT_ALL] || $detectFlags[NET_USERAGENT_DETECT_BROWSER]) {
            $browser['konq']    = $browser['safari'] = (strpos($agt, 'konqueror') !== false || strpos($agt, 'safari') !== false);
            $browser['text']    = (strpos($agt, 'links') !== false) || (strpos($agt, 'lynx') !== false) || (strpos($agt, 'w3m') !== false);
            $browser['ns']      = (strpos($agt, 'mozilla') !== false) && !(strpos($agt, 'spoofer') !== false) && !(strpos($agt, 'compatible') !== false) && !(strpos($agt, 'hotjava') !== false) && !(strpos($agt, 'opera') !== false) && !(strpos($agt, 'webtv') !== false) ? 1 : 0;
            $browser['ns2']     = $browser['ns'] && $majorVersion == 2;
            $browser['ns3']     = $browser['ns'] && $majorVersion == 3;
            $browser['ns4']     = $browser['ns'] && $majorVersion == 4;
            $browser['ns4up']   = $browser['ns'] && $majorVersion >= 4;
            // determine if this is a Netscape Navigator
            $browser['nav']     = $browser['ns'] && $majorVersion < 5;
            $browser['ns6']     = !$browser['konq'] && $browser['ns'] && $majorVersion == 5;
            $browser['ns6up']   = $browser['ns6'] && $majorVersion >= 5;
            $browser['gecko']   = (strpos($agt, 'gecko') !== false && !$browser['konq']);
            $browser['ie']      = (strpos($agt, 'msie') !== false) && !(strpos($agt, 'opera') !== false);
            $browser['ie3']     = $browser['ie'] && $majorVersion < 4;
            $browser['ie4']     = $browser['ie'] && $majorVersion == 4 && (strpos($agt, 'msie 4') !== false);
            $browser['ie4up']   = $browser['ie'] && !$browser['ie3'];
            $browser['ie5']     = $browser['ie4up'] && (strpos($agt, 'msie 5.0') !== false);
            $browser['ie5_5']   = $browser['ie4up'] && (strpos($agt, 'msie 5.5') !== false);
            $browser['ie5up']   = $browser['ie4up'] && !$browser['ie3'] && !$browser['ie4'];
            $browser['ie5_5up'] = $browser['ie5up'] && !$browser['ie5'];
            $browser['ie6']     = (strpos($agt, 'msie 6') !== false);
            $browser['ie6up']   = $browser['ie5up'] && !$browser['ie5'] && !$browser['ie5_5'];
            $browser['opera']   = (strpos($agt, 'opera') !== false);
            $browser['opera2']  = (strpos($agt, 'opera 2') !== false) || (strpos($agt, 'opera/2') !== false);
            $browser['opera3']  = (strpos($agt, 'opera 3') !== false) || (strpos($agt, 'opera/3') !== false);
            $browser['opera4']  = (strpos($agt, 'opera 4') !== false) || (strpos($agt, 'opera/4') !== false);
            $browser['opera5']  = (strpos($agt, 'opera 5') !== false) || (strpos($agt, 'opera/5') !== false);
            $browser['opera5up'] = $browser['opera'] && !$browser['opera2'] && !$browser['opera3'] && !$browser['opera4'];

            $browser['aol']   = (strpos($agt, 'aol') !== false);
            $browser['aol3']  = $browser['aol'] && $browser['ie3'];
            $browser['aol4']  = $browser['aol'] && $browser['ie4'];
            $browser['aol5']  = (strpos($agt, 'aol 5') !== false);
            $browser['aol6']  = (strpos($agt, 'aol 6') !== false);
            $browser['aol7']  = (strpos($agt, 'aol 7') !== false);
            $browser['webtv'] = (strpos($agt, 'webtv') !== false); 
            $browser['aoltv'] = $browser['tvnavigator'] = (strpos($agt, 'navio') !== false) || (strpos($agt, 'navio_aoltv') !== false); 
            $browser['hotjava'] = (strpos($agt, 'hotjava') !== false);
            $browser['hotjava3'] = $browser['hotjava'] && $majorVersion == 3;
            $browser['hotjava3up'] = $browser['hotjava'] && $majorVersion >= 3;
        }

        if ($detectFlags[NET_USERAGENT_DETECT_ALL] || 
            ($detectFlags[NET_USERAGENT_DETECT_BROWSER] && $detectFlags[NET_USERAGENT_DETECT_FEATURES])) {
            // Javascript Check
            if ($browser['ns2'] || $browser['ie3']) {
                Net_UserAgent_Detect::setFeature('javascript', 1.0);
            }
            elseif ($browser['opera5up']) {
                Net_UserAgent_Detect::setFeature('javascript', 1.3);
            }
            elseif ($browser['opera'] || $browser['ns3']) {
                Net_UserAgent_Detect::setFeature('javascript', 1.1);
            }
            elseif (($browser['ns4'] && ($version <= 4.05)) || $browser['ie4']) {
                Net_UserAgent_Detect::setFeature('javascript', 1.2);
            }
            elseif (($browser['ie5up'] && strpos($agt, 'mac') !== false) || $browser['konq']) {
                Net_UserAgent_Detect::setFeature('javascript', 1.4);
            }
            // I can't believe IE6 still has javascript 1.3, what a shitty browser
            elseif (($browser['ns4'] && ($version > 4.05)) || $browser['ie5up'] || $browser['hotjava3up']) {
                Net_UserAgent_Detect::setFeature('javascript', 1.3);
            }
            elseif ($browser['ns6up'] || $browser['gecko']) {
                Net_UserAgent_Detect::setFeature('javascript', 1.5);
            }
        }
        
        /** OS Check **/
        if ($detectFlags[NET_USERAGENT_DETECT_ALL] || $detectFlags[NET_USERAGENT_DETECT_OS]) {
            $os['win']   = (strpos($agt, 'win') !== false) || (strpos($agt, '16bit') !== false);
            $os['win95'] = (strpos($agt, 'win95') !== false) || (strpos($agt, 'windows 95') !== false);
            $os['win16'] = (strpos($agt, 'win16') !== false) || (strpos($agt, '16bit') !== false) || (strpos($agt, 'windows 3.1') !== false) || (strpos($agt, 'windows 16-bit') !== false);  
            $os['win31'] = (strpos($agt, 'windows 3.1') !== false) || (strpos($agt, 'win16') !== false) || (strpos($agt, 'windows 16-bit') !== false);
            $os['winme'] = (strpos($agt, 'win 9x 4.90') !== false);