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SSL Requirement plugin

tag: v1.2.0

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Octocat-spinner-32 lib
Octocat-spinner-32 rails
Octocat-spinner-32 shoulda_macros
Octocat-spinner-32 test
Octocat-spinner-32 .gitignore
Octocat-spinner-32 README
Octocat-spinner-32 Rakefile
Octocat-spinner-32 VERSION
Octocat-spinner-32 init.rb
Octocat-spinner-32 ssl_requirement.gemspec
README
SSL Requirement
===============

SSL requirement adds a declarative way of specifying that certain actions
should only be allowed to run under SSL, and if they're accessed without it,
they should be redirected.

Example:

    class ApplicationController < ActionController::Base
      include SslRequirement
    end

    class AccountController < ApplicationController
      ssl_required :signup, :payment 
      ssl_allowed :index
      
      def signup
        # Non-SSL access will be redirected to SSL
      end
      
      def payment
        # Non-SSL access will be redirected to SSL
      end

      def index
        # This action will work either with or without SSL
      end

      def other
        # SSL access will be redirected to non-SSL
      end
    end
  
If a majority (or all) of your actions require SSL, then use ssl_exceptions instead of ssl_required.
You can list out the actions that you do NOT want to be SSL protected. Calling ssl_exceptions without 
any actions listed will make ALL actions SSL protected. 
 
You can overwrite the protected method ssl_required? to rely on other things
than just the declarative specification. Say, only premium accounts get SSL.

For SSL domains that differ from the domain of the redirecting site, add the 
following code to development.rb / test.rb / production.rb:

    # Redirects to https://secure.example.com instead of the default 
    # https://www.example.com.
    config.after_initialize do
      SslRequirement.ssl_host = 'secure.example.com'
    end

For non-SSL domains that differ from domain of redirecting site, add the
following code to development.rb / test.rb / production.rb:

	# Redirects to http://nonsecure.example.com instead of the default 
	# http://www.example.com.
	config.after_initialize do
	  SslRequirement.non_ssl_host = 'nonsecure.example.com'
	end

You can also use a Proc to determine the ssl_host or non_ssl_host on the fly:

	config.after_initialize do
      SslRequirement.ssl_host = Proc.new do
		'secure.example.com'
	  end
    end

You are able to turn disable ssl redirects by adding the following environment configuration file:

    SslRequirement.disable_ssl_check = true
  
P.S.: Beware when you include the SslRequirement module. At the time of
inclusion, it'll add the before_filter that validates the declarations. Some
times you'll want to run other before_filters before that. They should then be
declared ahead of including this module.
  
SSL URL Helper
==============
This plugin also adds a helper a :secure option to url_for and named_routes. This property
allows you to set a url as secure or not secure. It uses the disable_ssl_check to determine
if the option should be ignored or not so you can develop as normal. It also
will obey if you override SslRequirement.ssl_host or 
SslRequirement.non_ssl_host (see above)

Here is an example of creating a secure url:

    <%= url_for(:controller => "c", :action => "a", :secure => true) %>

If disable_ssl_check returns false url_for will return the following:

    https://yoursite.com/c/a

Furthermore, you can use the secure option in a named route to create a secure form as follows:

    <% form_tag session_path(:secure => true), :class => 'home_login' do -%>
      <p>
        <label for="name">Email</label>
        <%= text_field_tag 'email', '', :class => 'text', :tabindex => 1 %>
      </p>
      <p>
        <label for="password">Password</label>
        <%= password_field_tag 'password', '', :class => 'text', :tabindex => 2 %>
      </p>
      <p>
        <%= submit_tag "Login", :id => 'login_submit', :value => "", :alt => "Login" %>
      </p>
    <% end -%>

Testing with Shoulda
====================

If you are using Shoulda, a few contexts and macros are provided:

    class RegistrationsControllerTest < ActionController::TestCase
      without_ssl_context do
        context "GET to :new" do
          setup do
            get :new
          end
          should_redirect_to_ssl
        end
      end

      with_ssl_context do
        context "GET to :new" do
          setup do
            get :new
          end
          # your usual testing goes here
        end
      end
    end
    

Copyright
=========

Copyright (c) 2005 David Heinemeier Hansson, released under the MIT license
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