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Octocat-spinner-32-eaf2f5

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Octocat-spinner-32 lib
Octocat-spinner-32 test
Octocat-spinner-32 README
Octocat-spinner-32 Rakefile
Octocat-spinner-32 init.rb
README
Http Authentication
===================

Makes it dead easy to do HTTP Basic authentication.

Simple Basic example:

class PostsController < ApplicationController
  USER_NAME, PASSWORD = "dhh", "secret"
  
  before_filter :authenticate, :except => [ :index ]
  
  def index
    render :text => "Everyone can see me!"
  end
  
  def edit
    render :text => "I'm only accessible if you know the password"
  end
  
  private
    def authenticate
      authenticate_or_request_with_http_basic do |user_name, password| 
        user_name == USER_NAME && password == PASSWORD
      end
    end
end


Here is a more advanced Basic example where only Atom feeds and the XML API is protected by HTTP authentication, 
the regular HTML interface is protected by a session approach (NOTE: This example requires Rails Edge as 
it uses Request#format, which is not available in Rails 1.2.0):

class ApplicationController < ActionController::Base
  before_filter :set_account, :authenticate

  protected
    def set_account
      @account = Account.find_by_url_name(request.subdomains.first)
    end
  
    def authenticate
      case request.format
      when Mime::XML, Mime::ATOM
        if user = authenticate_with_http_basic { |u, p| @account.users.authenticate(u, p) }
          @current_user = user
        else
          request_http_basic_authentication
        end
      else
        if session_authenticated?
          @current_user = @account.users.find(session[:authenticated][:user_id])
        else
          redirect_to(login_url) and return false
        end
      end
    end
end


In your integration tests, you can do something like this:
  
  def test_access_granted_from_xml
    get(
      "/notes/1.xml", nil, 
      :authorization => HttpAuthentication::Basic.encode_credentials(users(:dhh).name, users(:dhh).password)
    )

    assert_equal 200, status
  end


Todo:

* Implement Digest authentication scheme (be a hero, implement it!)


References:

* HTTP Authentication, RFC 2617: http://www.ietf.org/rfc/rfc2617.txt?number=2617


Copyright (c) 2006 David Heinemeier Hansson, released under the MIT license
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