Current File : /home/komfo908/www/suporte/_old/inc/secimg.inc.php
<?php
/**
*
* This file is part of HESK - PHP Help Desk Software.
*
* (c) Copyright Klemen Stirn. All rights reserved.
* https://www.hesk.com
*
* For the full copyright and license agreement information visit
* https://www.hesk.com/eula.php
*
*/
/* Check if this is a valid include */
if (!defined('IN_SCRIPT')) {die('Invalid attempt');}
class PJ_SecurityImage
{
function __construct($key)
{
$this->code = '';
$this->key = $key;
} // End PJ_SecurityImage
function encrypt($plain_text)
{
$this->code = trim(sha1($plain_text.$this->key));
} // End encrypt
function checkCode($mystring,$checksum)
{
$this->encrypt($mystring);
if ($this->code == $checksum)
return true;
else
return false;
} // End checkCode
function printImage($random_number)
{
$im = @imagecreate(150, 40) or die("Cannot Initialize new GD image stream");
$background_color = imagecolorallocate($im, mt_rand(0,100), mt_rand(0,100), mt_rand(0,100));
for ($i=0;$i<strlen($random_number);$i++)
{
$text_color = imagecolorallocate($im, mt_rand(180,255), mt_rand(180,255), mt_rand(100,255));
$display = substr($random_number,$i,1);
$x = ($i*30) + mt_rand(3,16);
$y = mt_rand(3,26);
imagestring($im, 5, $x, $y, $display, $text_color);
}
if ( function_exists('imagejpeg') )
{
header("Content-type: image/jpeg");
imagejpeg($im);
}
elseif ( function_exists('imagepng') )
{
header("Content-type: image/png");
imagepng($im);
}
elseif ( function_exists('imagegif') )
{
header("Content-type: image/gif");
imagegif($im);
}
else
{
die("GD was not compiled with JPEG or PNG support");
}
imagedestroy($im);
} // End printImage
function get()
{
return $this->code;
} // End get
} // End class PJ_SecurityImage
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