H4CK3R 4/hacker04/04_HACK04.ISO/src/PHP/cloaking.php3.txt

Text File | 2002-05-06 | 5.2 KB | 176 lines

Cloaking Variables

Parses HTTP_USER_AGENT so that you can customize your site to different browsers.



<?php
     /*
    ** Cloaking Variables
    ** Version 2.1
    ** Leon Atkisnon <[e-mail]>
    ** with contributions from:
    **    Chris Mospaw <[e-mail]>
    **    Benjamin Elijah Griffin <[e-mail]>
    **
    ** This bit of code parses HTTP_USER_AGENT and sets the following variables:
    ** Browser_Name
    ** Browser_Version
    ** Browser_Platform
    ** Browser_JavaScriptOK
    ** Browser_CSSOK
    ** Browser_TextOnly
    ** Browser_FileUpload
    **
    ** JavaScriptOK means that the browser understands JavaScript on
    ** the same level the Navigator 3 does.  Specifically, it can use
    ** named images.  This allows easier rollovers.  If a browser doesn't
    ** do this (Nav 2 or MSIE 3), then we just assume it can't do any
    ** JavaScript.  Referencing images by load order is too hard to maintain.
    **
    ** CSSOK is kind of sketchy in that Nav 4 and MSIE work differently,
    ** but they do seem to have most of the functionality.  MSIE 4 for the
    ** Mac has buggy CSS support, so we let it do JavaScript, but no CSS.
    */

     // Get the name the browser calls itself and what version
    $Browser_Name = strtok($HTTP_USER_AGENT,  "/");
    $Browser_Version = strtok( " ");

     // MSIE lies about its name
    if(ereg( "MSIE", $HTTP_USER_AGENT))
    {
        $Browser_Name =  "MSIE";
        $Browser_Version = strtok( "MSIE");
        $Browser_Version = strtok( " ");
        $Browser_Version = strtok( ";");
    }

     // Opera isn't completely honest, either ...
     // Modificaton by Chris Mospaw <[e-mail]>
    if(ereg( "Opera", $HTTP_USER_AGENT))
    {
        $Browser_Name =  "Opera";
        $Browser_Version = strtok( "Opera");
        $Browser_Version = strtok( "/");
        $Browser_Version = strtok( ";");
    }


     // try to figure out what platform, windows or mac
    $Browser_Platform =  "unknown";
    if(ereg( "Windows",$HTTP_USER_AGENT) ||
        ereg( "WinNT",$HTTP_USER_AGENT) ||
        ereg( "Win98",$HTTP_USER_AGENT) ||
        ereg( "Win95",$HTTP_USER_AGENT))
    {
        $Browser_Platform =  "Windows";
    }

    if(ereg( "Mac", $HTTP_USER_AGENT))
    {
        $Browser_Platform =  "Macintosh";
    }

    if(ereg( "X11", $HTTP_USER_AGENT))
    {
        $Browser_Platform =   "Unix";
    }

     //default to no JavaScript or CSS support
    $Browser_JavaScriptOK = FALSE;
    $Browser_CSSOK = FALSE;
    $Browser_FileUpload = FALSE;

    if($Browser_Platform ==  "Windows")
    {
        if($Browser_Name ==  "Mozilla")
        {
            if($Browser_Version >= 3.0)
            {
                $Browser_JavaScriptOK = TRUE;
                $Browser_FileUpload = TRUE;
            }
            if($Browser_Version >= 4.0)
            {
                $Browser_CSSOK = TRUE;
            }
        }
        elseif($Browser_Name ==  "MSIE")
        {
            if($Browser_Version >= 4.0)
            {
                $Browser_JavaScriptOK = TRUE;
                $Browser_FileUpload = TRUE;
                $Browser_CSSOK = TRUE;
            }
        }
        elseif($Browser_Name ==  "Opera")
        {
            if($Browser_Version >= 3.0)
            {
                $Browser_JavaScriptOK = TRUE;
                $Browser_FileUpload = TRUE;
                $Browser_CSSOK = TRUE;
            }
        }
    }
    elseif($Browser_Platform ==  "Macintosh")
    {
        if($Browser_Name ==  "Mozilla")
        {
            if($Browser_Version >= 3.0)
            {
                $Browser_JavaScriptOK = TRUE;
                $Browser_FileUpload = TRUE;
            }
            if($Browser_Version >= 4.0)
            {
                $Browser_CSSOK = TRUE;
            }
        }
        elseif($Browser_Name ==  "MSIE")
        {
            if($Browser_Version >= 4.0)
            {
                $Browser_JavaScriptOK = TRUE;
                $Browser_CSSOK = TRUE;
                $Browser_FileUpload = TRUE;
            }
        }
    }
    elseif($Browser_Platform ==   "Unix")
    {
        if($Browser_Name ==   "Mozilla")
        {
            if($Browser_Version >= 3.0)
            {
                $Browser_JavaScriptOK = TRUE;
                $Browser_FileUpload = TRUE;
            }
            if($Browser_Version >= 4.0)
            {
                $Browser_CSSOK = TRUE;
            }
        }
    }


?>

<HTML>
<BODY>

Browser_Name:  <? echo $Browser_Name; ?><BR>
Browser_Version:  <? echo $Browser_Version; ?><BR>
Browser_Platform:  <? echo $Browser_Platform; ?><BR>
Browser_JavaScriptOK:  <? echo $Browser_JavaScriptOK; ?><BR>
Browser_CSSOK:  <? echo $Browser_CSSOK; ?><BR>
Browser_FileUpload :  <? echo $Browser_FileUpload; ?><BR>



</BODY>
</HTML>