<?
 
/*
 
+-------------------------------------------------+
 
+                                                 +
 
+        Show.php ver. 1.0 by László Zsidi        +
 
+     examples and support on http://gifs.hu      +
 
+                                                 +
 
+    This example can be used and distributed     +
 
+                 free of charge.                 +
 
+                                                 +
 
+-------------------------------------------------+
 
*/
 
 
class md5_encrypt
 
{
 
    var $ret;
 
 
    function md5_encrypt($plain_text, $password, $iv_len = 16)
 
    {
 
        $plain_text .= "\x13";
 
        $n = strlen($plain_text);
 
        if ($n % 16) $plain_text .= str_repeat("\0", 16 - ($n % 16));
 
        $i = 0;
 
        $enc_text = $this->get_rnd_iv($iv_len);
 
        $iv = substr($password ^ $enc_text, 0, 512);
 
        while ($i < $n)
 
        {
 
            $block = substr($plain_text, $i, 16) ^ pack('H*', md5($iv));
 
            $enc_text .= $block;
 
            $iv = substr($block . $iv, 0, 512) ^ $password;
 
            $i += 16;
 
        }
 
        $this->ret = base64_encode($enc_text);
 
    }
 
 
    function get_rnd_iv($iv_len)
 
    {
 
        $iv = '';
 
        while ($iv_len-- > 0)
 
        {
 
            $iv .= chr(mt_rand() & 0xff);
 
        }
 
        return $iv;
 
    }
 
 
    function ret()
 
    {
 
        return $this->ret;
 
    }
 
}
 
 
/*
 
:::::::::::::::::::::::::::::::::::::::::::::::::
 
::                                             ::
 
::             H O W  T O  U S E ?             ::
 
::                                             ::
 
::                                             ::
 
::  The keys are the images holder directory   ::
 
::   which created by multichars {A-Za-z0-9}   ::
 
::    and the html <span> style attribute      ::
 
::  <span stlye = "display:block; background:  ::
 
::       url(loader.php?' . $encrypted .       ::
 
::    '=' . $images[$_GET['thumb']] . ');">    ::
 
::                                             ::
 
::                                             ::
 
::                                             ::
 
::              Simple example:                ::
 
::                                             ::
 
:: Create a md5 encrypted string and construct ::
 
::   a <span> element inside a <img> element   ::
 
::                                             ::
 
::                                             ::
 
::                                             ::
 
:::::::::::::::::::::::::::::::::::::::::::::::::
 
 
PHP code:
 
 
$dir = "myimageholderdirectory1245678";
 
$psw = "mypasswordforencrypt/decrypt";
 
$md5_encrypt = new md5_encrypt($dir, $psw);
 
$encrypted = $md5_encrypt->ret();
 
$size = getImageSize($dir . "/image.gif");
 
 
HTML code:
 
 
<span style="display:block; background:url(loader.php?' . $encrypted . '=image.gif);">
 
 <img src="redirected/protector.gif" alt=""  width=' . $size[0] . ' height=' . $size[1] . '>
 
</span>
 
 
The protector.gif is a transparent gif and them size
 
resized by <img> with & height attributes.
 
 
Generated example html code:
 
 
<html>
 
 <span style="display:block;
 
     background:url(loader.php?RgY9sjDqJVvJ+KNvqDrMNpm/L2/LLESuXtH7bsrbdrDnbk18/Y7t1rEJjDaAhyfD=circle.gif);">
 
         <img src="redirected/protector.gif" alt="" width=198 height=114>
 
 </span>
 
</html>
 
 
:::::::::::::::::::::::::::::::::::::::::::::::::
 
::                                             ::
 
::        Call the loader.php as image         ::
 
::                                             ::
 
::                                             ::
 
::                                             ::
 
::           P R O T E C T I O N S :           ::
 
::                                             ::
 
:: -Disable disk file cache                    ::
 
:: -Disable 'right click,save as image...'     ::
 
:: -Disable images save by total web mirror    ::
 
:: -Disable view image by direct loader url    ::
 
:: -Set watermark on the images                ::
 
::                                             ::
 
:::::::::::::::::::::::::::::::::::::::::::::::::
 
*/
 
 
$dir = "p_1225441_ABeffs";
 
$psw = "protected_site";
 
 
$md5_encrypt = new md5_encrypt($dir, $psw);
 
$encrypted = $md5_encrypt->ret();
 
 
if($dh = opendir($dir))
 
{
 
    while ($file = readdir($dh))
 
    {
 
        if (($file != ".") && ($file != ".."))
 
        {
 
            $images[] = $file;
 
        }
 
    }
 
    closedir($dh);
 
}
 
 
$k = $_GET['thumb'] + 1;
 
$h = $_GET['thumb'] - 1;
 
 
if($k == count($images)) $k = 0;
 
if($h < 0) $h=count($images)-1;
 
 
if (isset($_GET['thumb']))
 
{
 
    $size = GetImageSize ($dir.'/'.$images[$_GET['thumb']]);
 
    $html = '
 
    <html>
 
     <head>
 
      <style type="text/css">
 
       a {font-family: Arial, Sans-serif, Verdana; font-size:11px; color:black; text-decoration:none;}
 
       a:hover {text-decoration:underline;}
 
      </style>
 
     </head>
 
    <p>
 
     <table align=center>
 
      <tr>
 
       <td align=center><span style="display:block; background:url(loader.php?' . $encrypted . '=' . $images[$_GET['thumb']] . ');"><img src="redirected/protector.gif" alt="" width=' . $size[0] . ' height=' . $size[1] . '></span></td>
 
      </tr>
 
      <tr>
 
       <td align=center><b><a href=?thumb='.$h.'>Previous image</a> | <a href="?thumb='.$k.'">Next image</a></b></td>
 
      </tr>
 
     </table>
 
    </p>
 
    </html>';
 
}
 
else
 
{
 
    $size = GetImageSize ($dir.'/'.$images[0]);
 
    $html = '
 
    <html>
 
     <head>
 
      <style type="text/css">
 
       a {font-family: Arial, Sans-serif, Verdana; font-size:11px; color:black; text-decoration:none;}
 
       a:hover {text-decoration:underline;}
 
      </style>
 
     </head>
 
    <p>
 
     <table align=center>
 
      <tr>
 
       <td align=center><span style="display:block; background:url(loader.php?' . $encrypted . '=' . $images[0] . ');"><img src="redirected/protector.gif" alt="" width=' . $size[0] . ' height=' . $size[1] . '></span></td>
 
      </tr>
 
      <tr>
 
       <td align=center><b><a href="?thumb='.$k.'">Next image</a></b></td>
 
      </tr>
 
     </table>
 
    </p>
 
    </html>';
 
}
 
echo $html;
 
?>
 
 
 
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