Merge pull request #4659 from jaywink/simple-captca-for-signup-page

Simple captca for signup page

Changelog.md

@@ -76,6 +76,7 @@ For more details see https://wiki.diasporafoundation.org/Updating
 * Add actions on aspects on the contact page [#4570](https://github.com/diaspora/diaspora/pull/4570)
 * Added a statistics route with general pod information, and if enabled in pod settings, total user, half year/monthly active users and local post counts [#4602](https://github.com/diaspora/diaspora/pull/4602)
 * Add indication about markdown formatting in the publisher [#4589](https://github.com/diaspora/diaspora/pull/4589)
+* Add captcha to signup form [#4659](https://github.com/diaspora/diaspora/pull/4659)
 
 ## Gem updates
 * selenium-webdriver 2.34.0 -> 2.39.0

Gemfile

@@ -15,6 +15,10 @@ gem 'json',        '1.8.0'
 
 gem 'devise', '3.0.2'
 
+# Captcha
+
+gem 'galetahub-simple_captcha', '0.1.5', :require => 'simple_captcha'
+
 # Background processing
 
 gem 'sidekiq', '2.17.0'

Gemfile.lock

@@ -141,6 +141,7 @@ GEM
       rspec (~> 2.0)
       rspec-instafail (~> 0.2.0)
       ruby-progressbar (~> 1.0)
+    galetahub-simple_captcha (0.1.5)
     gherkin (2.12.0)
       multi_json (~> 1.3)
     gon (4.1.1)
@@ -448,6 +449,7 @@ DEPENDENCIES
   foreigner (= 1.4.2)
   foreman (= 0.62)
   fuubar (= 1.1.1)
+  galetahub-simple_captcha (= 0.1.5)
   gon (= 4.1.1)
   guard-cucumber (= 1.4.0)
   guard-rspec (= 3.0.2)

app/controllers/registrations_controller.rb

@@ -12,7 +12,7 @@ class RegistrationsController < Devise::RegistrationsController
     @user = User.build(user_params)
     @user.process_invite_acceptence(invite) if invite.present?
 
-    if @user.save
+    if @user.sign_up
       flash[:notice] = I18n.t 'registrations.create.success'
       @user.seed_aspects
       sign_in_and_redirect(:user, @user)
@@ -56,6 +56,6 @@ class RegistrationsController < Devise::RegistrationsController
   helper_method :invite
 
   def user_params
-    params.require(:user).permit(:username, :email, :getting_started, :password, :password_confirmation, :language, :disable_mail, :invitation_service, :invitation_identifier, :show_community_spotlight_in_stream, :auto_follow_back, :auto_follow_back_aspect_id, :remember_me)
+    params.require(:user).permit(:username, :email, :getting_started, :password, :password_confirmation, :language, :disable_mail, :invitation_service, :invitation_identifier, :show_community_spotlight_in_stream, :auto_follow_back, :auto_follow_back_aspect_id, :remember_me, :captcha, :captcha_key)
   end
 end

app/models/user.rb

@@ -8,6 +8,8 @@ class User < ActiveRecord::Base
   include Querying
   include SocialActions
 
+  apply_simple_captcha :message => I18n.t('simple_captcha.message.failed'), :add_to_base => true
+
   scope :logged_in_since, lambda { |time| where('last_sign_in_at > ?', time) }
   scope :monthly_actives, lambda { |time = Time.now| logged_in_since(time - 1.month) }
   scope :daily_actives, lambda { |time = Time.now| logged_in_since(time - 1.day) }
@@ -476,6 +478,14 @@ class User < ActiveRecord::Base
     self.save(:validate => false)
   end
 
+  def sign_up
+    if AppConfig.settings.captcha.enable?
+      save_with_captcha
+    else
+      save
+    end
+  end
+  
   private
   def clearable_fields
     self.attributes.keys - ["id", "username", "encrypted_password",

app/views/registrations/new.html.erb

@@ -60,9 +60,16 @@
                   <%= f.password_field :password_confirmation, :placeholder => "••••••••", :title => t('registrations.new.enter_password_again'), :required => true, :pattern => "......+" %>
                 </div>
               </div>
+
+              <% if AppConfig.settings.captcha.enable? %>
+                <div class="control-group" id="captcha">
+                  <%= show_simple_captcha(:object => 'user', :code_type => 'numeric') %>
+                </div>
+              <% end %>
               <%= invite_hidden_tag(invite) %>
             </fieldset>
 
+
             <%= f.submit t('.continue'), :class => "new-btn", :disable_with => t('.submitting') %>
         <% end %>
       </div>

app/views/registrations/new.mobile.haml

@@ -44,6 +44,9 @@
               .controls
                 = f.password_field :password_confirmation, :placeholder => "••••••••"
                 
+            - if AppConfig.settings.captcha.enable?
+              = show_simple_captcha(:object => 'user', :code_type => 'numeric')
+
             .controls
               = f.submit t('registrations.new.create_my_account'), :class => 'btn primary', :disable_with => t('registrations.new.submitting')
               = link_to t('devise.sessions.new.sign_in'), new_user_session_path(), :class => 'btn primary', :style => "float: right;"

app/views/simple_captcha/_simple_captcha.haml

@@ -0,0 +1,4 @@
+.control-label
+  = simple_captcha_options[:image]
+.controls
+  = simple_captcha_options[:field]

app/views/simple_captcha/_simple_captcha.mobile.haml

@@ -0,0 +1,4 @@
+.control-group#captcha
+  = simple_captcha_options[:image]
+  .controls
+    = simple_captcha_options[:field]

config/defaults.yml

@@ -82,6 +82,12 @@ defaults:
       - 'support'
       - 'contact'
       - 'example_user1dsioaioedfhgoiesajdigtoearogjaidofgjo'
+    captcha:
+      enable: true
+      image_size: '120x20'
+      captcha_length: 5
+      image_style: 'simply_green'
+      distortion: 'low'
   services:
     facebook:
       enable: false

config/diaspora.yml.example

@@ -34,7 +34,7 @@ configuration: ## Section
     ## from the internet. This should be the URL you want to use to
     ## access the pod. So if you plan to  reverse proxy it, it should be
     ## the URL the proxy listens on.
-    ## DO NOT CHNANGE THIS AFTER INITIAL SETUP
+    ## DO NOT CHANGE THIS AFTER INITIAL SETUP
     ## UNLESS YOU KNOW WHAT YOU'RE DOING!
     ## However changing http to https is okay and has no consequences.
     ## If you do change it you have to start over as it's hardcoded into
@@ -224,6 +224,28 @@ configuration: ## Section
     ## below or set autofollow_on_join to false
     #autofollow_on_join_user: 'diasporahq@joindiaspora.com'
 
+    ## Settings about captcha
+    captcha: ## Section
+
+      ## Set this to false if you don't want to use captcha for signup process
+      #enable: true
+
+      ## Change this value to use different captcha image size
+      #image_size: '120x20'
+
+      ## Length of captcha text. Default value is 5
+      #captcha_length: 5
+
+      ## Change this value to use various image style.
+      ## Available options are: 'simply_blue', 'simply_red'
+      ## 'simply_green', 'charcoal_grey', 'embosed_silver', 'all_black',
+      ## 'distorted_black', 'almost_invisible', 'random'
+      #image_style: 'simply_green'
+
+      ## Set this value to use various level of distortion
+      ## Available options are: 'low', 'medium', 'high', 'random'
+      #distortion: 'low'
+
     ## Settings about invitations
     invitations: ## Section
       

config/initializers/setup_simple_captcha.rb

@@ -0,0 +1,7 @@
+SimpleCaptcha.setup do |sc|
+  sc.image_size = AppConfig.settings.captcha.image_size
+  sc.length = AppConfig.settings.captcha.captcha_length.to_i
+  sc.image_style = AppConfig.settings.captcha.image_style
+  sc.distortion = AppConfig.settings.captcha.distortion
+  p AppConfig.settings.captcha
+end

config/locales/diaspora/en.yml

@@ -1270,3 +1270,11 @@ en:
     xrd_fetch_failed: "there was an error getting the xrd from account %{account}"
     not_enabled: "webfinger does not seem to be enabled for %{account}'s host"
     no_person_constructed: "No person could be constructed from this hcard."
+
+  simple_captcha:
+    placeholder: "Enter the image value"
+    label: "Enter the code in the box:"
+    message:
+      default: "Secret Code did not match with the Image"
+      user: "The secret Image and code were different"
+      failed: "Human verification failed"

db/migrate/20131213171804_create_simple_captcha_data.rb

@@ -0,0 +1,15 @@
+class CreateSimpleCaptchaData < ActiveRecord::Migration
+  def self.up
+    create_table :simple_captcha_data do |t|
+      t.string :key, :limit => 40
+      t.string :value, :limit => 6
+      t.timestamps
+    end
+    
+    add_index :simple_captcha_data, :key, :name => "idx_key"
+  end
+
+  def self.down
+    drop_table :simple_captcha_data
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130801063213) do
+ActiveRecord::Schema.define(:version => 20131213171804) do
 
   create_table "account_deletions", :force => true do |t|
     t.string  "diaspora_handle"
@@ -401,6 +401,15 @@ ActiveRecord::Schema.define(:version => 20130801063213) do
   add_index "share_visibilities", ["shareable_id", "shareable_type", "hidden", "contact_id"], :name => "shareable_and_hidden_and_contact_id"
   add_index "share_visibilities", ["shareable_id"], :name => "index_post_visibilities_on_post_id"
 
+  create_table "simple_captcha_data", :force => true do |t|
+    t.string   "key",        :limit => 40
+    t.string   "value",      :limit => 6
+    t.datetime "created_at",               :null => false
+    t.datetime "updated_at",               :null => false
+  end
+
+  add_index "simple_captcha_data", ["key"], :name => "idx_key"
+
   create_table "tag_followings", :force => true do |t|
     t.integer  "tag_id",     :null => false
     t.integer  "user_id",    :null => false

spec/models/user_spec.rb

@@ -1018,4 +1018,34 @@ describe User do
       end
     end
   end
+  
+  describe "sign up" do
+    before do
+      params = {:username => "ohai",
+                :email => "ohai@example.com",
+                :password => "password",
+                :password_confirmation => "password",
+                :captcha => "12345",
+                
+                :person =>
+                  {:profile =>
+                    {:first_name => "O",
+                     :last_name => "Hai"}
+                  }
+      }
+      @user = User.build(params)
+    end
+
+    it "saves with captcha off" do
+      AppConfig.settings.captcha.enable = false
+      @user.should_receive(:save).and_return(true)
+      @user.sign_up
+    end
+
+    it "saves with captcha on" do
+      AppConfig.settings.captcha.enable = true
+      @user.should_receive(:save_with_captcha).and_return(true)
+      @user.sign_up
+    end
+  end
 end