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>

1 files changed, 3 insertions, 0 deletions

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();