CAPTCHA WARRIOR 1.0.1: LE SYSTEME DE CAPTCHA TOTALEMENT ADMINISTRABLE VIA LA BACK_OFFICE

<?php
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
///                                                                     ///
///        systeme de protection des formulaires via un captcha         ///
///                                                                     ///
///               Les remarques sont les bienvenues                     ///
///                                                                     ///
/// Developpé par Alfred Timagni T.   SITEWEB http://www.bbsecurit.com  ///
///       copyright 2007-2008 Tchalftechnology, Inc                     ///
///                                                                     ///
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
require_once("config.php");
error_reporting(E_ALL );
// caracteres à utiliser dans le captcha
function Get_Text()
{
global $text_length;
	$letters =  array("a","A","b","B","c","C","d","D","e","E","f","F","g","G",
"h","H","i","I","j","J","k",
"K","l","L","m","M","n","N","o","O","p","P","q","Q","r",
"R","s","S","t","T","u","U","v",
"V","w","W","x","X","y","Y","z","Z","1","2","3","4","5",
"6","7","8","9");
mt_srand((double)microtime()*1000000);
 $txt = "";
 //$rand_keys = array_rand($letters, $text_length);
 //foreach($rand_keys as $key)
// {
 // $txt .= $letters[$key];
// }
shuffle($letters);
for($i=0;$i<$text_length;$i++)
{
  $key = rand(0,count($letters)-1);
  $txt .= $letters[$key];	
}
return $txt;
}

function create_image()
{
    global $width,$hight,$text_length,$border;
    $im = imagecreate($width,$hight);
    $bgc = imagecolorallocate($im, rand(235,255), rand(235,255),rand(235,255));
    $tc  = imagecolorallocate($im, 0, 0, 0);
    imagefill($im,0,0,$tc);
    imagefilledrectangle($im,$border,$border,$width-$border,$hight-$border,$bgc);
    return $im;

}

function draw_string($txt,$im)
{
   global $hight,$width,$font,$text_length;
   $space1 = $width/($text_length+1);   //space between characters
   $space2 = ($width - $space1)/3  ;   //space between lines
   $center = $hight/2;


   for($f=0;$f<3;$f++)
   {
   	$y1 =  $center/2;
  	$y2 =  1.5*$center;
  	$x1 = ($space1/2) + ($f * $space2);
  	$x2 = ($space1/2) + (($f +1) * $space2);
  	// echo "$x1,$x2 + $y1,$y2 <br>";
     for($k=0;$k<2;$k++)
	  {
           $lc =  imagecolorallocate($im,rand(0,200), rand(0,200), rand(0,200));
           imageline($im,rand($x1,$x2),rand($y1,$y2),rand($x1,$x2),rand($y1,$y2),$lc);
      }
    }

	for($i=0;$i<$text_length;$i++)
	{
	 $txtc =  imagecolorallocate($im,rand(0,160), rand(0,160), rand(0,160));
	 $x = ($space1+($i*$space1)); //x  coordinate of each character
	 
	 imagestring($im,$font,$x,rand($center-($center/2),$center),$txt[$i],$txtc);
	}

}


?><?php
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
///                                                                     ///
///        systeme de protection des formulaires via un captcha         ///
///                                                                     ///
///               Les remarques sont les bienvenues                     ///
///                                                                     ///
/// Developpé par Alfred Timagni T.   SITEWEB http://www.bbsecurit.com  ///
///       copyright 2007-2008 Tchalftechnology, Inc                     ///
///                                                                     ///
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
session_start();
error_reporting(E_ALL ^ E_NOTICE);
require_once('captchalib.php');
header('Content-type: image/png');

$str = Get_Text();
$im = create_image();
draw_string($str,$im);
imagepng($im);
if($CaseSenstive==true)
{
$_SESSION['pfw_text']=md5($str);
}
else
{
$str = strtolower($str);
$_SESSION['pfw_text']=md5($str);
}
?><?php
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
///                                                                     ///
///        systeme de protection des formulaires via un captcha         ///
///                                                                     ///
///               Les remarques sont les bienvenues                     ///
///                                                                     ///
/// Developpé par Alfred Timagni T.   SITEWEB http://www.bbsecurit.com  ///
///       copyright 2007-2008 Tchalftechnology, Inc                     ///
///                                                                     ///
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
session_start();
error_reporting(E_ALL ^ E_NOTICE);
require_once('config.php');
if(isset($_GET['pfw_security_code']))
{
$code = $_GET['pfw_security_code'];
}
else
{
$code = $_POST['pfw_security_code'];
}
if(!$CaseSenstive)
{
	$code = strtolower($code);
}
if(md5($code)==$_SESSION['pfw_text']) $comp = 1;

if($comp!=1)
{
   switch($error_display_mode)
   {
   	case 0:		
    die("<p align='center'><font face='Arial' size='3' color='#FF0000'>$error</font></p>");
    break;

    case 1:
    header("location: $error_page");
    break;

    case 2:
	
    $translation = implode('',@file($form));
    $translation = str_replace("<!-- ici les messages d'erreur -->","<p align='center'><font face='Arial' size='3' color='#FF0000'>$error</font></p>",$translation);		
    header("Cache-control: public");
    die($translation);
     break;

   }

}
if($redirect)
{
	header("location: $success_page");
}
?>

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