= merb-recaptcha
== About
Merb-recaptcha is plugin for Merb web-framework. It provides view and controller helpers for Recaptcha service.
== Installation
Install gem from github.com:
gem install antage-merb-recaptcha --source=http://gems.github.com
Add following line in config/dependencies.rb of your web application:
dependency "antage-merb-recaptcha", "~> 1.0.0", :require_as => "merb-recaptcha"
Sign up at Recaptcha and get public and private keys. Add keys in config/init.rb:
Merb::BootLoader.after_app_loads do
Merb::Plugins.config[:merb_recaptcha][:public_key] = "... here your public key ..."
Merb::Plugins.config[:merb_recaptcha][:private_key] = "... here your private key ..."
end
== Usage
Just add helper in your form:
<%= form_for @users, :action => resource(:users), :method => :post do %>
.....
<%= recaptcha_tags %>
<%= submit "Send" %>
<% end %>
And then check captcha in controller:
class Users < Application
......
def create(user)
@user = User.new(user)
if (captcha_correct = recaptcha_valid?) && @user.save
redirect resource(@user)
else
unless captcha_correct
@user.valid?
@user.errors.add(:general, "Captcha code is incorrect")
end
render :new
end
......
end