OpenidRegistrable

OpenidRegistrable is gem for Rails. It makes possible define required and optional fields for registration via OpenID and to map them to fields of your model.

Usage

class User < ActiveRecord::Base
  openid_registrable :required_fields => {
      :email => 'http://axschema.org/contact/email',
    },
    :optional_fields => {
      :first_name => 'http://axschema.org/namePerson/first',
      :last_name => 'http://axschema.org/namePerson/last',
    }
end

User.openid_required_fields => ['http://axschema.org/contact/email']
User.openid_optional_fields => ['http://axschema.org/namePerson/first', 'http://axschema.org/namePerson/last']

User.openid_fields_to_model_fields_mapping =>

{:email => 'http://axschema.org/contact/email'
 :first_name => 'http://axschema.org/namePerson/first',
 :last_name => 'http://axschema.org/namePerson/last'
}

# assign fields
@user = User.new
@user.assign_openid_fields(openid_ax_data)
@user.save

Usage with open_id_authentication

github.com/Velir/open_id_authentication

authenticate_with_open_id(@openid_identifier, :required => User.openid_required_fields, :optional => User.openid_optional_fields) do |result, identity_url, sreg_data, ax_data|
  if result.successful?
    if self.current_user = User.find_by_identity_url(identity_url)
      current_user.assign_openid_fields(ax_data, [:username])

      current_user.changes.empty? ? successful_login : successful_login(edit_user_path(:user => current_user.attributes))
    else
      self.current_user = User.new(:identity_url => identity_url)
      current_user.assign_openid_fields(ax_data)

      successful_login(registration_via_openid_path(:user => current_user.attributes))
    end
  else
    failed_login result.message
  end
end