prevent contact form spam

app/assets/javascripts/custom.js

@@ -28,5 +28,8 @@ $(document).on('page:load ready', function() {
   // activate any tablesorters
   $('.tablesorter').tablesorter();
 
+  // set value for userlogin_js, which is used to determine if a form was submitted with javascript enabled
+  $('#userlogin_js').val('6H2W6QYUAJT1Q8EB');
+
 });
 

app/controllers/pages_controller.rb

@@ -28,8 +28,8 @@ class PagesController < ApplicationController
     # if no message
     elsif params[:message].blank?
       flash[:alert] = t(:contact_us_no_message)
-    # else send email if not a spambot
-    elsif params[:userlogin].blank?
+    # else send email if not a spambot (user must have javascript enabled)
+    elsif params[:userlogin_js] == '6H2W6QYUAJT1Q8EB'
       Mailer.contact_us(params[:email], params[:message]).deliver
       flash[:notice] = t(:contact_us_success)
     end

app/views/pages/_contact_form.html.erb

@@ -1,5 +1,5 @@
 <%= form_tag({:controller => 'pages', :action => 'contact_us', :method => :post}, :class => 'form-horizontal') do %>
-  <input name='userlogin' class='userlogin' />
+  <input type='text' id='userlogin_js' name='userlogin_js' class='userlogin' />
 
   <div class="form-group">
     <label class="col-sm-4 col-xs-3 control-label"><%= t(:email_address).titleize %></label>

config/locales/en.yml

@@ -163,6 +163,7 @@ en:
   message_field: "Message Field"
   metadata: 'metadata'
   minute: 'minute'
+  minutes: 'minutes'
   myaccount: "My Account"
   name: 'name'
   new: "New"
@@ -358,6 +359,7 @@ en:
   timecontrol_delete: "Delete TimeControl"
   timecontrol_delete_message: "Want to delete this TimeControl?"
   timecontrol_error: "There were some problems creating your TimeControl:"
+  timecontrol_fuzzy_time: 'fuzzy time'
   timecontrol_max_message: "You have reached the maximum number of TimeControls available per user. Please delete an existing TimeControl before adding a new one."
   timecontrol_new: "New TimeControl"
   timecontrol_run_at: 'run at'

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140923230924) do
+ActiveRecord::Schema.define(version: 20140930202952) do
 
   create_table "active_admin_comments", force: true do |t|
     t.string   "namespace"
@@ -336,6 +336,7 @@ ActiveRecord::Schema.define(version: 20140923230924) do
     t.datetime "updated_at"
     t.string   "name"
     t.datetime "run_at"
+    t.integer  "fuzzy_seconds",               default: 0
   end
 
   add_index "timecontrols", ["frequency", "minute", "hour", "day"], name: "index_timecontrols_on_frequency_and_minute_and_hour_and_day", using: :btree