Class: Devise::Oauth2Authenticatable::Strategies::Oauth2Authenticatable

Inherits:
Strategies::Base
  • Object
show all
Defined in:
lib/devise_oauth2_authenticatable/strategy.rb

Overview

Default strategy for signing in a user using Facebook Connect (a Facebook account). Redirects to sign_in page if it’s not authenticated

Instance Method Summary collapse

Instance Method Details

#authenticate! ⇒ Object

Authenticate user with OAuth2



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# File 'lib/devise_oauth2_authenticatable/strategy.rb', line 26

def authenticate!
  klass = mapping.to
  begin


    # Verify User Auth code and get access token from auth server: will error on failue
    access_token = Devise::oauth2_client.web_server.get_access_token(
            params[:code], :redirect_uri => Devise::(request,mapping)
          )

    # retrieve user attributes

    # Get user details from OAuth2 Service
    oauth2_user_attributes = JSON.parse(access_token.get(OAUTH2_CONFIG['user_attributes_path']))

    user = klass.authenticate_with_oauth2(oauth2_user_attributes['id'], access_token.token)



    if user.present?
      user.on_after_oauth2_connect(oauth2_user_attributes)
      success!(user)
    else
      if klass.oauth2_auto_create_account?



        user = returning(klass.new) do |u|
          u.store_oauth2_credentials!(
              :token => access_token.token,
              :uid => oauth2_user_attributes['id']
            )
          u.on_before_oauth2_auto_create(oauth2_user_attributes)
        end

        begin


          user.save(true)
          user.on_after_oauth2_connect(oauth2_user_attributes)


          success!(user)
        rescue
          fail!(:oauth2_invalid)
        end
      else
        fail!(:oauth2_invalid)
      end
    end

  rescue => e
    fail!(e.message)
  end
end

#valid? ⇒ Boolean

Without a oauth session authentication cannot proceed.

Returns:

  • (Boolean) 


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# File 'lib/devise_oauth2_authenticatable/strategy.rb', line 18

def valid?

 valid_controller? && valid_params? && mapping.to.respond_to?('authenticate_with_oauth2')

end