bot challenge for signup

app/controllers/registrations_controller.rb

@@ -6,9 +6,15 @@ class RegistrationsController < Devise::RegistrationsController
   prepend_before_action :authenticate_scope!, only: [:edit_email]
 
 
+  def new
+    build_resource
+    super
+  end
   # POST /resource
   def create
-    puts "CREATE"
+    if message = math_check
+      flash.now.alert = message
+    end
     super
   end
 
@@ -28,16 +34,24 @@ class RegistrationsController < Devise::RegistrationsController
     super
   end
 
-  def resource_name
-    "member"
-  end
-
   # DELETE /resource
   # def destroy
   #   super
   # end
 
-  # protected
+  protected
+
+  def math_check
+    return "no cheatin" unless bot = params[:bot]
+    return "No food" unless fudder = bot[:fudder]
+    key = fudder.to_i / 2
+    answer = bot[:challenge]
+    return "Plase enter the bot challenge" if answer.blank?
+    if( (2*key + 1).to_s != answer )
+      return "Check the maths, tip, it wasn't #{answer}"
+    end
+    nil
+  end
 
   # If you have extra params to permit, append them to the sanitizer.
   # def configure_sign_up_params

app/views/devise/confirmations/new.html.haml

@@ -1,5 +1,5 @@
 .flex.justify-center
-  .w-full.max-w-xs
+  .w-full.max-w-xs.md:max-w-md
     %h1.font-hairline.mb-6.text-center Resend Confirmation Instructions
     = form_for(resource, as: resource_name,
         url: confirmation_path(resource_name),

app/views/devise/passwords/edit.html.haml

@@ -1,5 +1,5 @@
 .flex.justify-center
-  .w-full.max-w-xs
+  .w-full.max-w-xs.md:max-w-md
     %h2.font-hairline.mb-6.text-center Change Your Password
     = form_for(resource,
              as: resource_name,

app/views/devise/passwords/new.html.haml

@@ -1,5 +1,5 @@
 .flex.justify-center
-  .w-full.max-w-xs
+  .w-full.max-w-xs.md:max-w-md
     %h1.font-hairline.mb-6.text-center Forgot your password?
     = form_for(resource, as: resource_name,
       html: { method: :post,

app/views/devise/registrations/edit.html.haml

@@ -1,5 +1,5 @@
 .flex.justify-center
-  .w-full.max-w-xs
+  .w-full.max-w-xs.md:max-w-md
     %h1.font-hairline.mb-6.text-center.text-2xl
       Change password
     = form_for(resource, as: resource_name,

app/views/devise/registrations/edit_email.html.haml

@@ -1,5 +1,5 @@
 .flex.justify-center
-  .w-full.max-w-xs
+  .w-full.max-w-xs.md:max-w-md
     %h1.font-hairline.mb-6.text-center.text-2xl
       Change your email
     .text-center.text-lg

app/views/devise/registrations/new.html.haml

@@ -1,6 +1,6 @@
 .flex.justify-center
-  .w-full.max-w-xs
+  .w-full.max-w-xs.md:max-w-md
-    %h1.font-hairline.mb-6.text-center Sign Up
+    %h1.font-hairline.mb-6.text-center.text-2xl Sign Up
     = form_for(resource, as: resource_name,
                html: { class: "bg-white mb-4 px-8 pt-6 pb-8 rounded shadow-md"  } ,
                url: registration_path(resource_name) ) do |f|
@@ -17,16 +17,22 @@
           %small
             %em.text-gray-600
               (#{@minimum_password_length} characters minimum)
-        = f.password_field :password,                                                                                                              |
+        = f.password_field :password,
-          autocomplete: "new-password",                                                                                                            |
+          autocomplete: "new-password",
-          class: "shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 mb-3 leading-tight focus:outline-none focus:shadow-outline" |
+          class: "shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 mb-3 leading-tight focus:outline-none focus:shadow-outline"
       .mb-4
         = f.label :password_confirmation, class: "block font-bold mb-2 text-gray-700 text-sm"
-        = f.password_field :password_confirmation,                                                                                            |
+        = f.password_field :password_confirmation,
-          autocomplete: "new-password",                                                                                                       |
+          autocomplete: "new-password",
-          class: "appearance-none border leading-tight focus:outline-none px-3 py-2 rounded shadow focus:shadow-outline text-gray-700 w-full" |
+          class: "appearance-none border leading-tight focus:outline-none px-3 py-2 rounded shadow focus:shadow-outline text-gray-700 w-full"
-      .mb-4
+      .mt-4
-        = f.submit "Sign Up",                                                                                                                 |
+        - challenge = rand(8)
-          class: "button bg-cyan-700 hover:bg-cyan-700 font-bold text-white focus:outline-none py-2 px-4 rounded focus:shadow-outline w-full" |
+        = simple_fields_for :bot do |n|
+          = n.input :fudder , as: :hidden , input_html: { value: "#{challenge*2}" }
+          = n.input :challenge, placeholder: "Anti bot question: #{challenge} + #{challenge + 1} == " ,
+            class: " border leading-tight focus:outline-none px-3 py-2 rounded shadow focus:shadow-outline text-gray-700 w-full"
+      .my-4
+        = f.submit "Sign Up",
+          class: "button bg-cyan-700 hover:bg-cyan-700 font-bold text-white focus:outline-none py-2 px-4 rounded focus:shadow-outline w-full"
       = render "devise/shared/links"
     = render "devise/shared/form_footer"

app/views/devise/sessions/new.html.haml

@@ -1,5 +1,5 @@
 .flex.justify-center
-  .w-full.max-w-xs
+  .w-full.max-w-xs.md:max-w-md
     %h1.font-hairline.mb-6.text-center Log In
     = form_for(resource, url: session_path(resource_name),
               html: { class: "bg-white mb-4 px-8 pt-6 pb-8 rounded shadow-md"  },

app/views/devise/unlocks/new.html.haml

@@ -1,5 +1,5 @@
 .flex.justify-center
-  .w-full.max-w-xs
+  .w-full.max-w-xs.md:max-w-md
     %h1.font-hairline.mb-6.text-center Resend Unlock Info
     = form_for(resource, as: resource_name,
                html: { class: "bg-white mb-4 px-8 pt-6 pb-8 rounded shadow-md" ,