phpsniff.core.php

一个用PHP编写的

                else $v .= $v2;
            // update browser info container array
            if(empty($v)) $v = 'win';
            $this->_set_browser('os',strtolower($v));
            $this->_set_browser('platform','win');
        }
        //  look for amiga OS
        elseif(preg_match($regex_amiga,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','amiga');
            if(stristr($this->_browser_info['ua'],'morphos')) {
                // checking for MorphOS
                $this->_set_browser('os','morphos');
            } elseif(stristr($this->_browser_info['ua'],'mc680x0')) {
                // checking for MC680x0
                $this->_set_browser('os','mc680x0');
            } elseif(stristr($this->_browser_info['ua'],'ppc')) {
                // checking for PPC
                $this->_set_browser('os','ppc');
            } elseif(preg_match('/(AmigaOS [\.1-9]?)/i',$this->_browser_info['ua'],$match)) {
                // checking for AmigaOS version string
                $this->_set_browser('os',$match[1]);
            }
        }
        // look for OS2
        elseif( preg_match($regex_os2,$this->_browser_info['ua']))
        {   $this->_set_browser('os','os2');
            $this->_set_browser('platform','os2');
        }
        // look for mac
        // sets: platform = mac ; os = 68k or ppc
        elseif( preg_match($regex_mac,$this->_browser_info['ua'],$match) )
        {   $this->_set_browser('platform','mac');
            $os = !empty($match[1]) ? '68k' : '';
            $os = !empty($match[2]) ? 'osx' : $os;
            $os = !empty($match[3]) ? 'ppc' : $os;
            $os = !empty($match[4]) ? 'osx' : $os;
            $this->_set_browser('os',$os);
        }
        //  look for *nix boxes
        //  sunos sets: platform = *nix ; os = sun|sun4|sun5|suni86
        elseif(preg_match($regex_sunos,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','*nix');
            if(!stristr('sun',$match[1])) $match[1] = 'sun'.$match[1];
            $this->_set_browser('os',$match[1].$match[2]);
        }
        //  irix sets: platform = *nix ; os = irix|irix5|irix6|...
        elseif(preg_match($regex_irix,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os',$match[1].$match[2]);
        }
        //  hp-ux sets: platform = *nix ; os = hpux9|hpux10|...
        elseif(preg_match($regex_hpux,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','*nix');
            $match[1] = str_replace('-','',$match[1]);
            $match[2] = (int) $match[2];
            $this->_set_browser('os',$match[1].$match[2]);
        }
        //  aix sets: platform = *nix ; os = aix|aix1|aix2|aix3|...
        elseif(preg_match($regex_aix,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os','aix'.$match[1]);
        }
        //  dec sets: platform = *nix ; os = dec
        elseif(preg_match($regex_dec,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os','dec');
        }
        //  vms sets: platform = *nix ; os = vms
        elseif(preg_match($regex_vms,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os','vms');
        }
        //  sco sets: platform = *nix ; os = sco
        elseif(preg_match($regex_sco,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os','sco');
        }
        //  unixware sets: platform = *nix ; os = unixware
        elseif(stristr($this->_browser_info['ua'],'unix_system_v'))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os','unixware');
        }
        //  mpras sets: platform = *nix ; os = mpras
        elseif(stristr($this->_browser_info['ua'],'ncr'))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os','mpras');
        }
        //  reliant sets: platform = *nix ; os = reliant
        elseif(stristr($this->_browser_info['ua'],'reliantunix'))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os','reliant');
        }
        //  sinix sets: platform = *nix ; os = sinix
        elseif(stristr($this->_browser_info['ua'],'sinix'))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os','sinix');
        }
        //  bsd sets: platform = *nix ; os = bsd|freebsd
        elseif(preg_match($regex_bsd,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os',$match[1].$match[2]);
        }
        //  last one to look for
        //  linux sets: platform = *nix ; os = linux
        elseif(preg_match($regex_linux,$this->_browser_info['ua'],$match))
        {   $this->_set_browser('platform','*nix');
            $this->_set_browser('os','linux');
        }
    }

    function _get_browser_info ()
    {   $this->_build_regex();
        if(preg_match_all($this->_browser_regex,$this->_browser_info['ua'],$results))
        {   // get the position of the last browser found
            $count = count($results[0])-1;
            // if we're allowing masquerading, revert to the next to last browser found
            // if possible, otherwise stay put
            if($this->_allow_masquerading && $count > 0) $count--;
            // insert findings into the container
            $this->_set_browser('browser',$this->_get_short_name($results[1][$count]));
			$this->_set_browser('long_name',$results[1][$count]);
            $this->_set_browser('maj_ver',$results[2][$count]);
            // parse the minor version string and look for alpha chars
            preg_match('/([.\0-9]+)?([\.a-z0-9]+)?/i',$results[3][$count],$match);
            if(isset($match[1])) {
                $this->_set_browser('min_ver',$match[1]);
            } else {
                $this->_set_browser('min_ver','.0');
            }
            if(isset($match[2])) $this->_set_browser('letter_ver',$match[2]);
            // insert findings into container
            $this->_set_browser('version',$this->_browser_info['maj_ver'].$this->property('min_ver'));
        }
    }

    function _get_ip ()
    {   if(getenv('HTTP_CLIENT_IP'))
        {   $ip = getenv('HTTP_CLIENT_IP');
        }
        else
        {   $ip = getenv('REMOTE_ADDR');
        }
        $this->_set_browser('ip',$ip);
    }

    function _build_regex ()
    {   $browsers = '';
        while(list($k,) = each($this->_browsers))
        {   if(!empty($browsers)) $browsers .= "|";
            $browsers .= $k;
        }
        $version_string = "[\/\sa-z(]*([0-9]+)([\.0-9a-z]+)?";
        $this->_browser_regex = "/($browsers)$version_string/i";
    }

    function _get_short_name ($long_name)
    {   return $this->_browsers[strtolower($long_name)];
    }

    // medianes :: new test cookie routine
    function _test_cookies()
    {   global $HTTP_COOKIE_VARS;
        $cookies = array();
        if(isset($_COOKIE)) {
            $cookies = $_COOKIE;
        } elseif(isset($HTTP_COOKIE_VARS)) {
            $cookies = $HTTP_COOKIE_VARS;
        }
        if($this->_check_cookies)
        {   $fp = @fopen($this->_temp_file_path.$this->property('ip'),'r');
            if(!$fp)
            {   $fp = @fopen($this->_temp_file_path.$this->property('ip'),'a');
                fclose($fp);
                setcookie('phpSniff_session','ss',0,'/');
                setcookie('phpSniff_stored','st',time()+3600*24*365,'/');
                $QS=getenv('QUERY_STRING');
                $script_path=getenv('PATH_INFO')?getenv('PATH_INFO'):getenv('SCRIPT_NAME');
                if(is_integer($pos=strpos(strrev($script_path),"php.xedni/"))&&!$pos) {
                    $script_path=strrev(substr(strrev($script_path),9));
                }
                $location='http://'.getenv('SERVER_NAME').$script_path.($QS==''?'':'?'.$QS);
                header("Location: $location");
                exit;
            }
            else
            {   unlink($this->_temp_file_path.$this->property('ip'));
                fclose($fp);
                $this->_set_browser('ss_cookies',isset($cookies['phpSniff_session'])?'true':'false');
                $this->_set_browser('st_cookies',isset($cookies['phpSniff_stored'])?'true':'false');
                // delete the old cookies
                setcookie('phpSniff_session','',0,'/');
                setcookie('phpSniff_stored','',0,'/');
                
            }
        }
    }

    function _get_javascript()
    {   $set=false;
		// see if we have any matches
        while(list($version,$browser) = each($this->_javascript_versions))
        {   $browser = explode(',',$browser);
            while(list(,$search) = each($browser))
            {   if($this->is('b:'.$search))
                {   $this->_set_browser('javascript',$version);
                    $set = true;
                    break;
                }
            }
        if($set) break;
        }
    }
	
	function _get_features ()
	{	while(list($feature,$browser) = each($this->_browser_features))
		{	$browser = explode(',',$browser);
			while(list(,$search) = each($browser))
			{	if($this->browser_is($search))
				{	$this->_set_feature($feature);
					break;
				}
			}
		}
	}
	
	function _get_quirks ()
	{	while(list($quirk,$browser) = each($this->_browser_quirks))
		{	$browser = explode(',',$browser);
			while(list(,$search) = each($browser))
			{	if($this->browser_is($search))
				{	$this->_set_quirk($quirk);
					break;
				}
			}
		}		
	}
	
    function _get_gecko ()
	{	if(preg_match('/gecko\/([0-9]+)/i',$this->property('ua'),$match))
		{	$this->_set_browser('gecko',$match[1]);
            if (preg_match('/rv[: ]?([0-9a-z.+]+)/i',$this->property('ua'),$mozv)) {   
				// mozilla release
				$this->_set_browser('gecko_ver',$mozv[1]);
            } elseif (preg_match('/(m[0-9]+)/i',$this->property('ua'),$mozv)) {   
				// mozilla milestone version
				$this->_set_browser('gecko_ver',$mozv[1]);
            }
			// if this is a mozilla browser, get the rv: information
			if($this->browser_is($this->_get_short_name('mozilla'))) {
                if(preg_match('/([0-9]+)([\.0-9]+)([a-z0-9+]?)/i',$mozv[1],$match)) {
				    $this->_set_browser('version',$mozv[1]);
				    $this->_set_browser('maj_ver',$match[1]);
				    $this->_set_browser('min_ver',$match[2]);
				    $this->_set_browser('letter_ver',$match[3]);
                }
			}
        } elseif($this->is('b:'.$this->_get_short_name('mozilla'))) {
			// this is probably a netscape browser or compatible
			$this->_set_browser('long_name','netscape');
			$this->_set_browser('browser',$this->_get_short_name('netscape'));
		}
	}
	
	function _set_browser ($k,$v)
    {   $this->_browser_info[strtolower($k)] = strtolower($v);
    }
	
	function _set_feature ($k)
    {   $this->_feature_set[strtolower($k)] = !$this->_feature_set[strtolower($k)];
    }
	
	function _set_quirk ($k)
    {   $this->_quirks[strtolower($k)] = true;
    }
}
?>