From 71b6b62f0dedf3645c505db4ef9b7fb5af77fc24 Mon Sep 17 00:00:00 2001
From: Claude <longneck@scratchbook.ch>
Date: Sun, 10 Jun 2012 18:27:19 +0200
Subject: [PATCH] captcha validation

---
 htdocs/application/controllers/main.php | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/htdocs/application/controllers/main.php b/htdocs/application/controllers/main.php
index 87c96cc..5558b7f 100755
--- a/htdocs/application/controllers/main.php
+++ b/htdocs/application/controllers/main.php
@@ -15,6 +15,7 @@
  * - about()
  * - captcha()
  * - _valid_lang()
+ * - _valid_captcha()
  * - get_cm_js()
  * - error_404()
  * Classes list:
@@ -214,6 +215,11 @@ class Main extends CI_Controller
 					'label' => 'Language',
 					'rules' => 'min_length[1]|required|callback__valid_lang',
 				) ,
+				array(
+					'field' => 'captcha',
+					'label' => 'Captcha',
+					'rules' => 'callback__valid_captcha',
+				) ,
 			);
 
 			//form validation
@@ -416,6 +422,12 @@ class Main extends CI_Controller
 		return $this->languages->valid_language($lang);
 	}
 	
+	function _valid_captcha($text) 
+	{
+		$this->form_validation->set_message('_valid_captcha', 'Captcha is incorrect');
+		return $text == $this->db_session->userdata('captcha');
+	}
+	
 	function get_cm_js() 
 	{
 		$lang = $this->uri->segment(3);