From 0ec90fd7bb857d3986fdd91b3b74edb4931107d1 Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xssn.at>
Date: Thu, 30 Dec 2010 20:12:57 +0100
Subject: add simple botfiltering

Bots tend to fill out all fields, so add a hidden "email" field that
will prevent the text from being saved.

Signed-off-by: Florian Pritz <bluewind@xssn.at>
---
 system/application/controllers/file.php       | 3 +++
 system/application/views/file/upload_form.php | 1 +
 2 files changed, 4 insertions(+)

diff --git a/system/application/controllers/file.php b/system/application/controllers/file.php
index e42d1d3db..4fed02599 100644
--- a/system/application/controllers/file.php
+++ b/system/application/controllers/file.php
@@ -129,6 +129,9 @@ class File extends Controller {
 		$data = array();
 		$content = $this->input->post('content')."\n";
 		$extension = $this->input->post('extension');
+		// Try to filter spambots
+		if ($this->input->post("email") != "") return;
+
 		// prevent empty pastes from the upload form
 		if($content === "\n") {
 			$this->upload_form();
diff --git a/system/application/views/file/upload_form.php b/system/application/views/file/upload_form.php
index fe3f5db5a..0f90bab0e 100644
--- a/system/application/views/file/upload_form.php
+++ b/system/application/views/file/upload_form.php
@@ -10,6 +10,7 @@
   <?php echo form_open_multipart('file/do_paste'); ?>
     <p>
       <textarea name="content" cols="80" rows="20"></textarea><br />
+      <div style="display: none">Email: <input type="text" name="email" size="20" /></div>
       Optional password (for deletion): <input type="password" name="password" size="10" /><br />
       <input type="submit" value="Paste" name="process" />
     </p>
-- 
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