From fb699ea195a5ed9f51b729ac681aa0d6104addee Mon Sep 17 00:00:00 2001
From: Rodrigo Souto <rodrigo@colivre.coop.br>
Date: Tue, 22 Jan 2013 23:04:17 +0000
Subject: [PATCH] Adding honeypot plugin

---
 vendor/plugins/honeypot/init.rb                | 18 ++++++++++++++++++
 vendor/plugins/honeypot/lib/form_tag_helper.rb | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 0 deletions(-)
 create mode 100644 vendor/plugins/honeypot/init.rb
 create mode 100644 vendor/plugins/honeypot/lib/form_tag_helper.rb

diff --git a/vendor/plugins/honeypot/init.rb b/vendor/plugins/honeypot/init.rb
new file mode 100644
index 0000000..994ec92
--- /dev/null
+++ b/vendor/plugins/honeypot/init.rb
@@ -0,0 +1,18 @@
+# Inpired on https://github.com/curtis/honeypot-captcha
+require File.join(File.dirname(__FILE__), 'lib', 'form_tag_helper')
+
+module Honeypot
+  def honeypot_fields
+    { :honeypot => _('Do not fill in this field') }
+  end
+
+  def protect_from_bots
+    head :ok if honeypot_fields.any? { |f,l| !params[f].blank? }
+  end
+
+  def self.included(base)
+    base.send :helper_method, :honeypot_fields
+  end
+end
+
+ActionController::Base.send(:include, Honeypot) if defined?(ActionController::Base)
diff --git a/vendor/plugins/honeypot/lib/form_tag_helper.rb b/vendor/plugins/honeypot/lib/form_tag_helper.rb
new file mode 100644
index 0000000..d9b4217
--- /dev/null
+++ b/vendor/plugins/honeypot/lib/form_tag_helper.rb
@@ -0,0 +1,36 @@
+module ActionView
+  module Helpers
+    module FormTagHelper
+      def form_tag_with_honeypot(url_for_options = {}, options = {}, *parameters_for_url, &block)
+        honeypot = options.delete(:honeypot)
+        html = form_tag_without_honeypot(url_for_options, options, *parameters_for_url, &block)
+        if honeypot
+          captcha = "".respond_to?(:html_safe) ? honey_pot_captcha.html_safe : honey_pot_captcha
+          if block_given?
+            html.insert(html.index('</form>'), captcha)
+          else
+            html += captcha
+          end
+        end
+        html
+      end
+      alias_method_chain :form_tag, :honeypot
+
+    private
+
+      def honey_pot_captcha
+        html_ids = []
+        honeypot_fields.collect do |f, l|
+          html_ids << (html_id = "#{f}_hp_#{Time.now.to_i}")
+          content_tag :div, :id => html_id do
+            content_tag(:style, :type => 'text/css', :media => 'screen', :scoped => "scoped") do
+              "#{html_ids.map { |i| "##{i}" }.join(', ')} { display:none; }"
+            end +
+            label_tag(f, l) +
+            send([:text_field_tag, :text_area_tag][rand(2)], f)
+          end
+        end.join
+      end
+    end
+  end
+end
--
libgit2 0.21.2