rack-cas_client¶ ↑

• github.com/bhenderson/rack-cas_client

A Rack Middleware component to authenticate against a CAS server.

I (shamefully) forgot to attribute this to github.com/garnieretienne/rubycas-client-sinatra. I had reached out to garnieretienne and he was no longer interested in his project. There is also rack-cas-client gem but that was too rails focused for me.

• Tries to be a simple authentication mechanism and leaves it up to the app chain to determine endpoints that should be auth’d.

• Does not depend on Sinatra or Rails.

• Does use ‘rack.session’ so anything that uses that will work.

• Passes options hash to CASClient::Client (see docs for exceptions)

# config.ru

require 'rack/cas_client'

use Rack::Session::Cookie

map '/login' do
  run Rack::CASClient.new nil, :cas_base_url => 'https://example/cas'
end

class MyApp < Struct.new(:app)
  def call(env)
    request = Rack::Request.new env
    response = Rack::Response.new

    user = request.session[:cas_user]
    unless user and not user.empty?
      query = URI.encode_www_form url: request.url
      response.redirect "/login?#{query}"
      return response.finish
    end

    response.write "hi #{user.inspect}"
    response.finish
  end
end

run MyApp.new

• rack

• rubycas-client

• gem install rack-cas_client

After checking out the source, run:

$ rake newb

This task will install any missing dependencies, run the tests/specs, and generate the RDoc.

(The MIT License)

Copyright © 2012 bhenderson

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ‘Software’), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.