rmagick_captcha

RMagickCaptcha

RMagickCaptcha is a gem that implements captcha for using in Rails application. The gem provides functionality to create a captcha image and validate user's input.

• The gem allows multiple captchas at the same page
• The gem supports I18n and provides locale resource
• The gem provides rmagick_captcha controller controller to generate images
• The gem allows ...

Quick Start

In your Gemfile:

gem "rmagick_captcha", ">= 0.6.2"

In your model:

Server create captcha_key, user input into captcha_text

has_rmagick_captcha :captcha validate :validate_rmagick_captcha

In your controller:

download_rmagick_captcha :show

def new @user = User.new session[:user_captcha] = @user.reset_captcha_key end

def create @user = User.new(params[:user]) @user.captcha_key = session[:user_captcha] @user.save if @user.errors.empty? session[:user_captcha] = nil redirect_back_or_default('/welcome') flash[:notice] = "Thanks for signing up!" else session[:user_captcha] = @user.reset_captcha_key render :action => 'new' end end

In your views:

<% form_for @user, :url => users_path, :html => {:id => "user_form", :class => "html-form" } do |f| %>

• <%= rmagick_captcha_tag(:controller => "user", :id => "user_captcha") %> <%= f.text_field :captcha_text, :maxlength => 16%> <%= f.error_message_on :captcha_text %>

<%= f.submit "Submit"%> <% end %>

In your routes.rb:

match 'user(/show)' => 'user#show', :as => :captcha

If you wish:

-Run ruby script/rails generate rmagick_captcha to gen resources such as locale files. -Use config/initiaizers to configure options for this gem

Installation

• Type 'gem install --local rmagick_captcha' with root account if you have installed RubyGems.

Example

Example goes here.

Copyright (c) 2011 arufanov, released under the MIT license.