Index: branches/RC/core/units/general/helpers/captcha_helper.php
===================================================================
diff -u -N
--- branches/RC/core/units/general/helpers/captcha_helper.php	(revision 11892)
+++ branches/RC/core/units/general/helpers/captcha_helper.php	(revision 0)
@@ -1,175 +0,0 @@
-<?php
-/**
-* @version	$Id: captcha_helper.php 11892 2009-07-01 08:35:06Z alex $
-* @package	In-Portal
-* @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
-* @license      GNU/GPL
-* In-Portal is Open Source software.
-* This means that this software may have been modified pursuant
-* the GNU General Public License, and as distributed it includes
-* or is derivative of works licensed under the GNU General Public License
-* or other free or open source software licenses.
-* See http://www.in-portal.net/license/ for copyright notices and details.
-*/
-
-class kCaptchaHelper extends kHelper {
-
-	var $width;
-	var $height;
-
-	function GenerateCaptchaCode($len = 5)
-	{
-		$chars = '1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
-		$s = '';
-		for ($i = 0; $i < $len; $i++) {
-			$s .= $chars[ rand(0, strlen($chars)-1) ];
-		}
-		return $s;
-	}
-
-	function graphics($w, $h)
-	{
-		$this->width = $w;
-		$this->height = $h;
-	}
-
-	function GenerateCaptchaImage($rand, $width, $height, $filter_blur = false)
-	{
-		global $site_font_path;
-		global $site_font_validation;
-
-		$image = imagecreate($width, $height);
-		$bgColor = imagecolorallocate ($image, 255, 255, 255);
-		$textColor = imagecolorallocate ($image, 0, 0, 0);
-
-		// add random noise
-		for ($i = 0; $i < 20; $i++) {
-			$rx1 = rand(0, $width);
-			$rx2 = rand(0, $width);
-			$ry1 = rand(0, $height);
-			$ry2 = rand(0, $height);
-			$rcVal = rand(0, 255);
-			$rc1 = imagecolorallocate($image, rand(0, 255), rand(0, 255), rand(100, 255));
-			imageline($image, $rx1, $ry1, $rx2, $ry2, $rc1);
-		}
-
-		// write the random number
-
-		$dimensions = imagettfbbox($height*0.75, 0, KERNEL_PATH.'/fonts/monofont.ttf', $rand );
-
-		imagettftext($image, $height*0.75, 0, floor(($width - $dimensions[4])/2),  floor(($height - $dimensions[5])/2), $textColor, KERNEL_PATH.'/fonts/monofont.ttf', $rand);
-
-		//		$font = imageloadfont(KERNEL_PATH.'/fonts/monofont.ttf');
-		//		imagestring($image, $font, 3, 0, $rand, $textColor);
-
-		if ($filter_blur) $this->blur($image, 3);
-
-		// send several headers to make sure the image is not cached
-		// date in the past
-		header("Expires: Mon, 23 Jul 1993 05:00:00 GMT");
-
-		// always modified
-		header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
-
-		// HTTP/1.1
-		header("Cache-Control: no-store, no-cache, must-revalidate");
-		header("Cache-Control: post-check=0, pre-check=0", false);
-
-		// HTTP/1.0
-		header("Pragma: no-cache");
-
-		// send the content type header so the image is displayed properly
-		header('Content-type: image/jpeg');
-
-		imagejpeg($image);
-		imagedestroy($image);
-	}
-
-	function blur(&$gdimg, $radius = 5.0)
-	{
-		// Taken from Torstein H�nsi's phpUnsharpMask (see phpthumb.unsharp.php)
-
-		$radius = round(max(0, min($radius, 50)) * 2);
-		if (!$radius) {
-			return false;
-		}
-
-		$w = ImageSX($gdimg);
-		$h = ImageSY($gdimg);
-		if ($imgBlur = ImageCreateTrueColor($w, $h)) {
-			// Gaussian blur matrix:
-			//    1    2    1
-			//    2    4    2
-			//    1    2    1
-
-			// Move copies of the image around one pixel at the time and merge them with weight
-			// according to the matrix. The same matrix is simply repeated for higher radii.
-			for ($i = 0; $i < $radius; $i++)    {
-				ImageCopy     ($imgBlur, $gdimg, 0, 0, 1, 1, $w - 1, $h - 1);            // up left
-				ImageCopyMerge($imgBlur, $gdimg, 1, 1, 0, 0, $w,     $h,     50.00000);  // down right
-				ImageCopyMerge($imgBlur, $gdimg, 0, 1, 1, 0, $w - 1, $h,     33.33333);  // down left
-				ImageCopyMerge($imgBlur, $gdimg, 1, 0, 0, 1, $w,     $h - 1, 25.00000);  // up right
-				ImageCopyMerge($imgBlur, $gdimg, 0, 0, 1, 0, $w - 1, $h,     33.33333);  // left
-				ImageCopyMerge($imgBlur, $gdimg, 1, 0, 0, 0, $w,     $h,     25.00000);  // right
-				ImageCopyMerge($imgBlur, $gdimg, 0, 0, 0, 1, $w,     $h - 1, 20.00000);  // up
-				ImageCopyMerge($imgBlur, $gdimg, 0, 1, 0, 0, $w,     $h,     16.666667); // down
-				ImageCopyMerge($imgBlur, $gdimg, 0, 0, 0, 0, $w,     $h,     50.000000); // center
-				ImageCopy     ($gdimg, $imgBlur, 0, 0, 0, 0, $w,     $h);
-			}
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Generates captcha code for showing on form
-	 *
-	 * @param kEvent $event
-	 */
-	function prepareCode(&$event)
-	{
-		if ($this->Application->IsAdmin() || $this->Application->RecallVar($event->getPrefixSpecial() . '_captcha_code')) {
-			// when code found don't generate it 2nd time
-			return ;
-		}
-
-		$this->Application->StoreVar($event->getPrefixSpecial() . '_captcha_code', $this->GenerateCaptchaCode());
-	}
-
-	/**
-	 * Validates captcha code on form
-	 *
-	 * @param kEvent $event
-	 * @param bool $check_request
-	 * @return bool
-	 */
-	function validateCode(&$event, $check_request = true)
-	{
-		if ($this->Application->IsAdmin()) {
-			// no captcha codes in admin
-			return true;
-		}
-
-		if ($check_request) {
-			// perform validation only when field is found on form
-			list ($id, $field_values) = each($this->Application->GetVar($event->getPrefixSpecial()));
-			if (!array_key_exists('Captcha', $field_values)) {
-				// when captcha code not submitted
-				return true;
-			}
-		}
-
-		$object =& $event->getObject();
-		/* @var $object kDBItem */
-
-		if ($object->GetDBField('Captcha') != $this->Application->RecallVar($event->getPrefixSpecial() . '_captcha_code')) {
-			$object->SetError('Captcha', 'captcha_error', 'lu_captcha_error');
-
-			$this->Application->StoreVar($event->getPrefixSpecial() . '_captcha_code', $this->GenerateCaptchaCode());
-			return false;
-		}
-
-		return true;
-	}
-
-}
\ No newline at end of file