Merge pull request #2 from zach-chai/devise

Omniauth

.gitignore

@@ -16,6 +16,7 @@
 /tmp/*
 !/log/.keep
 !/tmp/.keep
+.env
 
 # Ignore Byebug command history file.
 .byebug_history

Dockerfile

@@ -0,0 +1,7 @@
+FROM ruby:2.3.1
+
+# app dependencies
+RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
+
+# app directory
+RUN mkdir /usr/src/app

Gemfile

@@ -33,6 +33,7 @@ gem 'jbuilder', '~> 2.5'
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platform: :mri
+  gem 'dotenv-rails'
 end
 
 group :development do
@@ -47,5 +48,7 @@ end
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 
+gem 'omniauth'
+gem 'omniauth-twitter'
+gem 'omniauth-google-oauth2'
 gem 'bigbluebutton-api-ruby'
-

Gemfile.lock

@@ -52,11 +52,18 @@ GEM
     coffee-script-source (1.10.0)
     concurrent-ruby (1.0.2)
     debug_inspector (0.0.2)
+    dotenv (2.1.1)
+    dotenv-rails (2.1.1)
+      dotenv (= 2.1.1)
+      railties (>= 4.0, < 5.1)
     erubis (2.7.0)
     execjs (2.7.0)
+    faraday (0.9.2)
+      multipart-post (>= 1.2, < 3)
     ffi (1.9.14)
     globalid (0.3.7)
       activesupport (>= 4.1.0)
+    hashie (3.4.6)
     i18n (0.7.0)
     jbuilder (2.6.0)
       activesupport (>= 3.0.0, < 5.1)
@@ -65,6 +72,8 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
+    json (1.8.3)
+    jwt (1.5.6)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -79,9 +88,35 @@ GEM
     mini_portile2 (2.1.0)
     minitest (5.9.1)
     multi_json (1.12.1)
+    multi_xml (0.5.5)
+    multipart-post (2.0.0)
     nio4r (1.2.1)
     nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
+    oauth (0.5.1)
+    oauth2 (1.2.0)
+      faraday (>= 0.8, < 0.10)
+      jwt (~> 1.0)
+      multi_json (~> 1.3)
+      multi_xml (~> 0.5)
+      rack (>= 1.2, < 3)
+    omniauth (1.3.1)
+      hashie (>= 1.2, < 4)
+      rack (>= 1.0, < 3)
+    omniauth-google-oauth2 (0.4.1)
+      jwt (~> 1.5.2)
+      multi_json (~> 1.3)
+      omniauth (>= 1.1.1)
+      omniauth-oauth2 (>= 1.3.1)
+    omniauth-oauth (1.1.0)
+      oauth
+      omniauth (~> 1.0)
+    omniauth-oauth2 (1.4.0)
+      oauth2 (~> 1.0)
+      omniauth (~> 1.2)
+    omniauth-twitter (1.2.1)
+      json (~> 1.3)
+      omniauth-oauth (~> 1.1)
     puma (3.6.0)
     rack (2.0.1)
     rack-test (0.6.3)
@@ -160,9 +195,13 @@ DEPENDENCIES
   bigbluebutton-api-ruby
   byebug
   coffee-rails (~> 4.2)
+  dotenv-rails
   jbuilder (~> 2.5)
   jquery-rails
   listen (~> 3.0.5)
+  omniauth
+  omniauth-google-oauth2
+  omniauth-twitter
   puma (~> 3.0)
   rails (~> 5.0.0, >= 5.0.0.1)
   sass-rails (~> 5.0)
@@ -175,4 +214,4 @@ DEPENDENCIES
   web-console
 
 BUNDLED WITH
-   1.13.2
+   1.13.4

app/controllers/application_controller.rb

@@ -1,3 +1,8 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery with: :exception
+
+  def current_user
+    @current_user ||= User.find_by(id: session[:user_id])
+  end
+  helper_method :current_user
 end

app/controllers/sessions_controller.rb

@@ -0,0 +1,17 @@
+class SessionsController < ApplicationController
+  def create
+    @user = User.from_omniauth(request.env['omniauth.auth'])
+    session[:user_id] = @user.id
+  rescue => e
+    logger.error "Error authenticating via omniauth: #{e}"
+  ensure
+    redirect_to root_path
+  end
+
+  def destroy
+    if current_user
+      session.delete(:user_id)
+    end
+    redirect_to root_path
+  end
+end

app/models/user.rb

@@ -0,0 +1,9 @@
+class User < ApplicationRecord
+
+  def self.from_omniauth(auth_hash)
+    user = find_or_create_by(uid: auth_hash['uid'], provider: auth_hash['provider'])
+    user.name = auth_hash['info']['name']
+    user.save!
+    user
+  end
+end

app/views/landing/index.html.erb

@@ -33,3 +33,13 @@
 <div id="landing_page_footer_oauth_append">
   <p>You can have a personal URL (with recordings) by signing in below</p>
 </div>
+
+<% if current_user.nil? %>
+<ul>
+  <li><%= link_to 'Twitter', '/auth/twitter' %></li>
+  <li><%= link_to 'Google', '/auth/google' %></li>
+</ul>
+<% else %>
+<div>Hello <%= current_user.name %></div>
+<%= link_to 'Logout', '/logout' %>
+<% end %>

config/initializers/omniauth.rb

@@ -0,0 +1,5 @@
+Rails.application.config.middleware.use OmniAuth::Builder do
+  provider :twitter, ENV['TWITTER_ID'], ENV['TWITTER_SECRET']
+  provider :google_oauth2, ENV['GOOGLE_OAUTH2_ID'], ENV['GOOGLE_OAUTH2_SECRET'],
+    scope: 'profile', access_type: 'online', name: 'google'
+end

config/routes.rb

@@ -1,5 +1,7 @@
 Rails.application.routes.draw do
   get 'meeting(/:id)', to: 'landing#index'
+  get '/auth/:provider/callback', to: 'sessions#create'
+  get '/logout', to: 'sessions#destroy'
 
   root to: 'landing#index'
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html

db/migrate/20161017160526_create_users.rb

@@ -0,0 +1,15 @@
+class CreateUsers < ActiveRecord::Migration[5.0]
+  def change
+    create_table :users do |t|
+      t.string :provider, null: false
+      t.string :uid, null: false
+      t.string :name
+
+      t.timestamps
+    end
+
+    add_index :users, :provider
+    add_index :users, :uid
+    add_index :users, [:provider, :uid], unique: true
+  end
+end

db/schema.rb

@@ -0,0 +1,26 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 20161017160526) do
+
+  create_table "users", force: :cascade do |t|
+    t.string   "provider",   null: false
+    t.string   "uid",        null: false
+    t.string   "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["provider", "uid"], name: "index_users_on_provider_and_uid", unique: true
+    t.index ["provider"], name: "index_users_on_provider"
+    t.index ["uid"], name: "index_users_on_uid"
+  end
+
+end

docker-compose.yml

@@ -0,0 +1,24 @@
+version: '2'
+services:
+  web:
+    build: .
+    ports:
+      - '80:80'
+    volumes:
+      - '.:/usr/src/app'
+      - '~/.ssh:/root/.ssh/'
+    volumes_from:
+      - gem_cache
+    expose:
+      - '3001'
+    working_dir: '/usr/src/app'
+    stdin_open: true
+    tty: true
+    command: bundle exec rails s -p 80 -b '0.0.0.0'
+    depends_on:
+      - gem_cache
+  gem_cache:
+    image: ruby:2.3.1
+    command: bin/true
+    volumes:
+      - /usr/local/bundle

sample.env

@@ -0,0 +1,4 @@
+TWITTER_ID=
+TWITTER_SECRET=
+GOOGLE_OAUTH2_ID=
+GOOGLE_OAUTH2_SECRET=

test/fixtures/users.yml

@@ -0,0 +1,11 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  provider: MyString
+  uid: MyString
+  name: MyString
+
+two:
+  provider: MyString
+  uid: MyString
+  name: MyString

test/models/user_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class UserTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end