adding episodes 304 and 305

episode-304/README

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+RailsCasts Episode #304: Omniauth Identity
+
+http://railscasts.com/episodes/304-omniauth-identity
+
+Require Ruby 1.9.2 or later to run example.
+
+Commands used in episode
+
+  rails g model identity name:string email:string password_digest:string
+  rake db:migrate
+  rails g controller identities

episode-304/auth-after/.gitignore

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+# See http://help.github.com/ignore-files/ for more about ignoring files.
+#
+# If you find yourself ignoring temporary files generated by your text editor
+# or operating system, you probably want to add a global ignore instead:
+#   git config --global core.excludesfile ~/.gitignore_global
+
+# Ignore bundler config
+/.bundle
+
+# Ignore the default SQLite database.
+/db/*.sqlite3
+
+# Ignore all logfiles and tempfiles.
+/log/*.log
+/tmp

episode-304/auth-after/Gemfile

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+source 'http://rubygems.org'
+
+gem 'rails', '3.1.3'
+
+# Bundle edge Rails instead:
+# gem 'rails',     :git => 'git://github.com/rails/rails.git'
+
+gem 'sqlite3'
+
+# Gems used only for assets and not required
+# in production environments by default.
+group :assets do
+  gem 'sass-rails',   '~> 3.1.5'
+  gem 'coffee-rails', '~> 3.1.1'
+  gem 'uglifier', '>= 1.0.3'
+end
+
+gem 'jquery-rails'
+
+# To use ActiveModel has_secure_password
+gem 'bcrypt-ruby', '~> 3.0.0'
+
+gem 'omniauth-twitter'
+gem 'omniauth-facebook'
+gem 'omniauth-google-oauth2'
+gem 'omniauth-identity'

episode-304/auth-after/Gemfile.lock

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+GEM
+  remote: http://rubygems.org/
+  specs:
+    actionmailer (3.1.3)
+      actionpack (= 3.1.3)
+      mail (~> 2.3.0)
+    actionpack (3.1.3)
+      activemodel (= 3.1.3)
+      activesupport (= 3.1.3)
+      builder (~> 3.0.0)
+      erubis (~> 2.7.0)
+      i18n (~> 0.6)
+      rack (~> 1.3.5)
+      rack-cache (~> 1.1)
+      rack-mount (~> 0.8.2)
+      rack-test (~> 0.6.1)
+      sprockets (~> 2.0.3)
+    activemodel (3.1.3)
+      activesupport (= 3.1.3)
+      builder (~> 3.0.0)
+      i18n (~> 0.6)
+    activerecord (3.1.3)
+      activemodel (= 3.1.3)
+      activesupport (= 3.1.3)
+      arel (~> 2.2.1)
+      tzinfo (~> 0.3.29)
+    activeresource (3.1.3)
+      activemodel (= 3.1.3)
+      activesupport (= 3.1.3)
+    activesupport (3.1.3)
+      multi_json (~> 1.0)
+    addressable (2.2.6)
+    arel (2.2.1)
+    bcrypt-ruby (3.0.1)
+    builder (3.0.0)
+    coffee-rails (3.1.1)
+      coffee-script (>= 2.2.0)
+      railties (~> 3.1.0)
+    coffee-script (2.2.0)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.1.3)
+    erubis (2.7.0)
+    execjs (1.2.9)
+      multi_json (~> 1.0)
+    faraday (0.7.5)
+      addressable (~> 2.2.6)
+      multipart-post (~> 1.1.3)
+      rack (>= 1.1.0, < 2)
+    hashie (1.2.0)
+    hike (1.2.1)
+    i18n (0.6.0)
+    jquery-rails (1.0.19)
+      railties (~> 3.0)
+      thor (~> 0.14)
+    json (1.6.3)
+    mail (2.3.0)
+      i18n (>= 0.4.0)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
+    mime-types (1.17.2)
+    multi_json (1.0.4)
+    multipart-post (1.1.4)
+    oauth (0.4.5)
+    oauth2 (0.5.1)
+      faraday (~> 0.7.4)
+      multi_json (~> 1.0.3)
+    omniauth (1.0.1)
+      hashie (~> 1.2)
+      rack
+    omniauth-facebook (1.0.0)
+      omniauth-oauth2 (~> 1.0.0)
+    omniauth-google-oauth2 (0.1.7)
+      omniauth (~> 1.0)
+      omniauth-oauth2
+    omniauth-identity (1.0.0)
+      omniauth (~> 1.0)
+    omniauth-oauth (1.0.0)
+      oauth
+      omniauth (~> 1.0)
+    omniauth-oauth2 (1.0.0)
+      oauth2 (~> 0.5.0)
+      omniauth (~> 1.0)
+    omniauth-twitter (0.0.7)
+      omniauth-oauth (~> 1.0)
+    polyglot (0.3.3)
+    rack (1.3.5)
+    rack-cache (1.1)
+      rack (>= 0.4)
+    rack-mount (0.8.3)
+      rack (>= 1.0.0)
+    rack-ssl (1.3.2)
+      rack
+    rack-test (0.6.1)
+      rack (>= 1.0)
+    rails (3.1.3)
+      actionmailer (= 3.1.3)
+      actionpack (= 3.1.3)
+      activerecord (= 3.1.3)
+      activeresource (= 3.1.3)
+      activesupport (= 3.1.3)
+      bundler (~> 1.0)
+      railties (= 3.1.3)
+    railties (3.1.3)
+      actionpack (= 3.1.3)
+      activesupport (= 3.1.3)
+      rack-ssl (~> 1.3.2)
+      rake (>= 0.8.7)
+      rdoc (~> 3.4)
+      thor (~> 0.14.6)
+    rake (0.9.2.2)
+    rdoc (3.11)
+      json (~> 1.4)
+    sass (3.1.11)
+    sass-rails (3.1.5)
+      actionpack (~> 3.1.0)
+      railties (~> 3.1.0)
+      sass (~> 3.1.10)
+      tilt (~> 1.3.2)
+    sprockets (2.0.3)
+      hike (~> 1.2)
+      rack (~> 1.0)
+      tilt (~> 1.1, != 1.3.0)
+    sqlite3 (1.3.4)
+    thor (0.14.6)
+    tilt (1.3.3)
+    treetop (1.4.10)
+      polyglot
+      polyglot (>= 0.3.1)
+    tzinfo (0.3.31)
+    uglifier (1.1.0)
+      execjs (>= 0.3.0)
+      multi_json (>= 1.0.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bcrypt-ruby (~> 3.0.0)
+  coffee-rails (~> 3.1.1)
+  jquery-rails
+  omniauth-facebook
+  omniauth-google-oauth2
+  omniauth-identity
+  omniauth-twitter
+  rails (= 3.1.3)
+  sass-rails (~> 3.1.5)
+  sqlite3
+  uglifier (>= 1.0.3)

episode-304/auth-after/README

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+= RailsCasts Example Application
+
+Run these commands to try it out.
+
+  bundle
+  rake db:setup
+  rails s
+
+Requires Ruby 1.9.2 or higher.

episode-304/auth-after/Rakefile

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+#!/usr/bin/env rake
+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require File.expand_path('../config/application', __FILE__)
+
+Auth::Application.load_tasks

episode-304/auth-after/app/assets/javascripts/application.js

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+// This is a manifest file that'll be compiled into including all the files listed below.
+// Add new JavaScript/Coffee code in separate files in this directory and they'll automatically
+// be included in the compiled file accessible from http://example.com/assets/application.js
+// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+// the compiled file.
+//
+//= require jquery
+//= require jquery_ujs
+//= require_tree .

episode-304/auth-after/app/assets/javascripts/identities.js.coffee

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+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/

episode-304/auth-after/app/assets/javascripts/sessions.js.coffee

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+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/

episode-304/auth-after/app/assets/stylesheets/application.css

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+/*
+ * This is a manifest file that'll automatically include all the stylesheets available in this directory
+ * and any sub-directories. You're free to add application-wide styles to this file and they'll appear at
+ * the top of the compiled file, but it's generally better to create a new file per style scope.
+ *= require_self
+ *= require_tree . 
+*/

episode-304/auth-after/app/assets/stylesheets/identities.css.scss

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+// Place all the styles related to the identities controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

episode-304/auth-after/app/assets/stylesheets/layout.css

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+body {
+  background-color: #4B7399;
+  font-family: Verdana, Helvetica, Arial;
+  font-size: 14px;
+}
+
+a img {
+  border: none;
+}
+
+a {
+  color: #0000FF;
+}
+
+.clear {
+  clear: both;
+  height: 0;
+  overflow: hidden;
+}
+
+#container {
+  width: 75%;
+  margin: 0 auto;
+  background-color: #FFF;
+  padding: 20px 40px;
+  border: solid 1px black;
+  margin-top: 20px;
+  position: relative;
+}
+
+#flash_notice, #flash_error, #flash_alert {
+  padding: 5px 8px;
+  margin: 10px 0;
+  margin-right: 150px;
+}
+
+#flash_notice {
+  background-color: #CFC;
+  border: solid 1px #6C6;
+}
+
+#flash_error, #flash_alert {
+  background-color: #FCC;
+  border: solid 1px #C66;
+}
+
+.field_with_errors {
+  display: inline;
+}
+
+.error_messages {
+  width: 400px;
+  border: 2px solid #CF0000;
+  padding: 0px;
+  padding-bottom: 12px;
+  margin-bottom: 20px;
+  background-color: #f0f0f0;
+  font-size: 12px;
+}
+
+.error_messages h2 {
+  text-align: left;
+  font-weight: bold;
+  padding: 5px 10px;
+  font-size: 12px;
+  margin: 0;
+  background-color: #c00;
+  color: #fff;
+}
+
+.error_messages p {
+  margin: 8px 10px;
+}
+
+form .field, form .actions {
+  margin: 12px 0;
+}

episode-304/auth-after/app/assets/stylesheets/sessions.css.scss

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+// Place all the styles related to the sessions controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/
+.auth_providers {
+  height: 90px;
+}
+
+.auth_provider {
+  float: left;
+  text-decoration: none;
+  margin-right: 20px;
+  text-align: center;
+  margin-bottom: 10px;
+
+  img {
+    display: block;
+  }
+}

episode-304/auth-after/app/controllers/application_controller.rb

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+class ApplicationController < ActionController::Base
+  protect_from_forgery
+
+private
+
+  def current_user
+    @current_user ||= User.find(session[:user_id]) if session[:user_id]
+  end
+  helper_method :current_user
+end

episode-304/auth-after/app/controllers/identities_controller.rb

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+class IdentitiesController < ApplicationController
+  def new
+    @identity = env['omniauth.identity']
+  end
+end

episode-304/auth-after/app/controllers/sessions_controller.rb

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+class SessionsController < ApplicationController
+  def new
+  end
+
+  def create
+    user = User.from_omniauth(env["omniauth.auth"])
+    session[:user_id] = user.id
+    redirect_to root_url, notice: "Signed in!"
+  end
+
+  def destroy
+    session[:user_id] = nil
+    redirect_to root_url, notice: "Signed out!"
+  end
+
+  def failure
+    redirect_to root_url, alert: "Authentication failed, please try again."
+  end
+end

episode-304/auth-after/app/helpers/application_helper.rb

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+module ApplicationHelper
+end

episode-304/auth-after/app/helpers/identities_helper.rb

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+module IdentitiesHelper
+end

episode-304/auth-after/app/helpers/sessions_helper.rb

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+module SessionsHelper
+end