Merge pull request #222 from bruckwubete/bn_launcher_integration

Bn launcher integration

.gitignore

@@ -29,3 +29,7 @@
 
 # Ignore environment configuration.
 .env
+
+# IDEs
+.idea
+.idea/**

Gemfile

@@ -26,7 +26,7 @@ gem 'uglifier', '>= 1.3.0'
 gem 'coffee-rails', '~> 4.2'
 
 # See https://github.com/rails/execjs#readme for more supported runtimes
-# gem 'therubyracer', platforms: :ruby
+gem 'therubyracer', platforms: :ruby
 
 # Use jquery as the JavaScript library
 gem 'jquery-rails'
@@ -47,6 +47,7 @@ gem 'bcrypt', '~> 3.1.7'
 gem 'omniauth'
 gem 'omniauth-twitter'
 gem 'omniauth-google-oauth2'
+gem 'omniauth-bn-launcher', '~> 0.1.0'
 
 # BigBlueButton API wrapper.
 gem 'bigbluebutton-api-ruby'

Gemfile.lock

@@ -42,7 +42,7 @@ GEM
       tzinfo (~> 1.1)
     arel (7.1.4)
     ast (2.4.0)
-    autoprefixer-rails (8.6.2)
+    autoprefixer-rails (8.6.4)
       execjs
     bcrypt (3.1.12)
     bigbluebutton-api-ruby (1.6.0)
@@ -64,9 +64,9 @@ GEM
     concurrent-ruby (1.0.5)
     crass (1.0.4)
     diff-lcs (1.3)
-    dotenv (2.4.0)
-    dotenv-rails (2.4.0)
-      dotenv (= 2.4.0)
+    dotenv (2.5.0)
+    dotenv-rails (2.5.0)
+      dotenv (= 2.5.0)
       railties (>= 3.2, < 6.0)
     erubis (2.7.0)
     execjs (2.7.0)
@@ -94,6 +94,7 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     jwt (1.5.6)
+    libv8 (3.16.14.19)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -110,7 +111,7 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nio4r (2.3.1)
-    nokogiri (1.8.2)
+    nokogiri (1.8.3)
       mini_portile2 (~> 2.3.0)
     oauth (0.5.4)
     oauth2 (1.4.0)
@@ -122,6 +123,9 @@ GEM
     omniauth (1.8.1)
       hashie (>= 3.4.6, < 3.6.0)
       rack (>= 1.6.2, < 3)
+    omniauth-bn-launcher (0.1.0)
+      omniauth (~> 1.3, >= 1.3.2)
+      omniauth-oauth2 (= 1.5.0)
     omniauth-google-oauth2 (0.5.3)
       jwt (>= 1.5)
       omniauth (>= 1.1.1)
@@ -178,6 +182,7 @@ GEM
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     redis (3.3.5)
+    ref (2.0.0)
     rspec-core (3.7.1)
       rspec-support (~> 3.7.0)
     rspec-expectations (3.7.0)
@@ -222,7 +227,7 @@ GEM
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
       spring (>= 1.2, < 3.0)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)
@@ -232,6 +237,9 @@ GEM
     sqlite3 (1.3.13)
     tabler-rubygem (0.1.2)
       autoprefixer-rails (>= 6.0.3)
+    therubyracer (0.12.3)
+      libv8 (~> 3.16.14.15)
+      ref
     thor (0.20.0)
     thread_safe (0.3.6)
     tilt (2.0.8)
@@ -240,7 +248,7 @@ GEM
     turbolinks-source (5.1.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.11)
+    uglifier (4.1.12)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (1.4.0)
     web-console (3.6.2)
@@ -270,6 +278,7 @@ DEPENDENCIES
   jquery-rails
   listen (~> 3.0.5)
   omniauth
+  omniauth-bn-launcher (~> 0.1.0)
   omniauth-google-oauth2
   omniauth-twitter
   pg (~> 0.18)
@@ -285,6 +294,7 @@ DEPENDENCIES
   spring-watcher-listen (~> 2.0.0)
   sqlite3
   tabler-rubygem
+  therubyracer
   turbolinks (~> 5)
   tzinfo-data
   uglifier (>= 1.3.0)

app/helpers/sessions_helper.rb

@@ -22,4 +22,23 @@ module SessionsHelper
   def current_user
     @current_user ||= User.find_by(id: session[:user_id])
   end
+
+  def generate_checksum(customer_name, redirect_url, secret)
+    string = customer_name + redirect_url + secret
+    OpenSSL::Digest.digest('sha1', string).unpack("H*").first
+  end
+
+  def parse_customer_name(hostname)
+    provider = hostname.split('.')
+    provider.first == 'www' ? provider.second : provider.first
+  end
+
+  def omniauth_options(env)
+    gl_redirect_url = env["rack.url_scheme"] + "://" + env["SERVER_NAME"] + ":" + env["SERVER_PORT"]
+    env['omniauth.strategy'].options[:customer] = parse_customer_name env["SERVER_NAME"]
+    env['omniauth.strategy'].options[:gl_redirect_url] = gl_redirect_url
+    env['omniauth.strategy'].options[:default_callback_url] = Rails.configuration.gl_callback_url
+    env['omniauth.strategy'].options[:checksum] = generate_checksum parse_customer_name(env["SERVER_NAME"]),
+      gl_redirect_url, Rails.configuration.launcher_secret
+  end
 end

app/models/user.rb

@@ -22,7 +22,9 @@ class User < ApplicationRecord
   class << self
     # Generates a user from omniauth.
     def from_omniauth(auth)
-      find_or_initialize_by(social_uid: auth['uid'], provider: auth['provider']).tap do |u|
+      # Provider is the customer name if in loadbalanced config mode
+      provider = auth['provider'] == "bn_launcher" ? auth['info']['customer'] : auth['provider']
+      find_or_initialize_by(social_uid: auth['uid'], provider: provider).tap do |u|
         u.name = send("#{auth['provider']}_name", auth) unless u.name
         u.username = send("#{auth['provider']}_username", auth) unless u.username
         u.email = send("#{auth['provider']}_email", auth)
@@ -65,6 +67,22 @@ class User < ApplicationRecord
     def google_image(auth)
       auth['info']['image']
     end
+
+    def bn_launcher_name(auth)
+      auth['info']['name']
+    end
+
+    def bn_launcher_username(auth)
+      auth['info']['username']
+    end
+
+    def bn_launcher_email(auth)
+      auth['info']['email']
+    end
+
+    def bn_launcher_image(auth)
+      auth['info']['image']
+    end
   end
 
   # Retrives a list of all a users rooms that are not the main room, sorted by last session date.

app/views/shared/_header.html.erb

@@ -44,7 +44,11 @@
 						</div>
 					</div>
 				<% else %>
-					<%= link_to "Login", "#loginModal", :class => "btn btn-pill btn-outline-primary mx-2", "data-toggle": "modal" %>
+          <% if  Rails.configuration.omniauth_bn_launcher && !current_user %>
+            <%= link_to "Login", "#{Rails.configuration.relative_url_root}/auth/bn_launcher", :class => "btn btn-pill btn-outline-primary mx-2" %>
+          <% else %>
+            <%= link_to "Login", "#loginModal", :class => "btn btn-pill btn-outline-primary mx-2", "data-toggle": "modal" %>
+          <% end %>
 
 					<% if allow_user_signup? %>
 						<%= link_to "Signup", signup_path, :class => "btn btn-pill btn-outline-primary mx-2" %>

bin/start

@@ -1,4 +1,11 @@
 #!/bin/bash
+if [ "$RAILS_ENV" = "production" ] && [ "$DB_ADAPTER" = "postgresql" ]; then
+    while ! curl http://$DB_HOST:${DB_PORT:-5432}/ 2>&1 | grep '52'
+    do
+      echo "Waiting for postgres to start up ..."
+      sleep 1
+    done
+fi
 
 bundle exec rake db:create
 if ! bundle exec rake db:migrate ; then

config/application.rb

@@ -18,12 +18,14 @@ module Greenlight
     config.exceptions_app = routes
 
     config.loadbalanced_configuration = ENV["LOADBALANCER_ENDPOINT"].present? && ENV["LOADBALANCER_SECRET"].present?
-
+    # The default callback url that bn launcher will redirect to
+    config.gl_callback_url = ENV["GL_CALLBACK_URL"]
     # Setup BigBlueButton configuration.
     if config.loadbalanced_configuration
       # Fetch credentials from a loadbalancer based on provider.
       config.loadbalancer_endpoint = ENV["LOADBALANCER_ENDPOINT"]
       config.loadbalancer_secret = ENV["LOADBALANCER_SECRET"]
+      config.launcher_secret = ENV["LAUNCHER_SECRET"]
     else
       # Default credentials (test-install.blindsidenetworks.com/bigbluebutton).
       config.bigbluebutton_endpoint_default = "http://test-install.blindsidenetworks.com/bigbluebutton/api/"

config/initializers/omniauth.rb

@@ -6,9 +6,21 @@ Rails.application.config.providers = [:google, :twitter]
 # Set which providers are configured.
 Rails.application.config.omniauth_google = ENV['GOOGLE_OAUTH2_ID'].present? && ENV['GOOGLE_OAUTH2_SECRET'].present?
 Rails.application.config.omniauth_twitter = ENV['TWITTER_ID'].present? && ENV['TWITTER_SECRET'].present?
+Rails.application.config.omniauth_bn_launcher = Rails.configuration.loadbalanced_configuration
+
+SETUP_PROC = lambda do |env|
+  SessionsController.helpers.omniauth_options env
+end
 
 # Setup the Omniauth middleware.
 Rails.application.config.middleware.use OmniAuth::Builder do
+  if Rails.configuration.omniauth_bn_launcher
+    provider :bn_launcher, client_id: ENV['CLIENT_ID'],
+             client_secret: ENV['CLIENT_SECRET'],
+             client_options: { site: ENV['BN_LAUNCHER_REDIRECT_URI'] },
+             setup: SETUP_PROC
+  end
+
   provider :twitter, ENV['TWITTER_ID'], ENV['TWITTER_SECRET']
 
   provider :google_oauth2, ENV['GOOGLE_OAUTH2_ID'], ENV['GOOGLE_OAUTH2_SECRET'],

spec/controllers/sessions_controller_spec.rb

@@ -61,12 +61,24 @@ describe SessionsController, type: :controller do
         },
       )
 
+      OmniAuth.config.mock_auth[:bn_launcher] = OmniAuth::AuthHash.new(
+        provider: "bn_launcher",
+        uid: "bn-launcher-user",
+        info: {
+          email: "user1@google.com",
+          name: "User1",
+          nickname: "nick",
+          image: "touch.png",
+          customer: 'ocps',
+        }
+      )
+
       OmniAuth.config.on_failure = proc { |env|
         OmniAuth::FailureEndpoint.new(env).redirect_to_failure
       }
     end
 
-    it "should create and login user with omniauth" do
+    it "should create and login user with omniauth twitter" do
       request.env["omniauth.auth"] = OmniAuth.config.mock_auth[:twitter]
       get :omniauth, params: { provider: :twitter }
 
@@ -76,6 +88,16 @@ describe SessionsController, type: :controller do
       expect(@request.session[:user_id]).to eql(u.id)
     end
 
+    it "should create and login user with omniauth bn launcher" do
+      request.env["omniauth.auth"] = OmniAuth.config.mock_auth[:bn_launcher]
+      get :omniauth, params: { provider: 'bn_launcher' }
+
+      u = User.last
+      expect(u.provider).to eql("ocps")
+      expect(u.email).to eql("user1@google.com")
+      expect(@request.session[:user_id]).to eql(u.id)
+    end
+
     it "should redirect to root on invalid omniauth login" do
       request.env["omniauth.auth"] = :invalid_credentials
       get :omniauth, params: { provider: :twitter }
@@ -83,10 +105,16 @@ describe SessionsController, type: :controller do
       expect(response).to redirect_to(root_path)
     end
 
-    it "should not create session without omniauth env set" do
+    it "should not create session without omniauth env set for google" do
       get :omniauth, params: { provider: 'google' }
 
       expect(response).to redirect_to(root_path)
     end
+
+    it "should not create session without omniauth env set for bn_launcher" do
+      get :omniauth, params: { provider: 'bn_launcher' }
+
+      expect(response).to redirect_to(root_path)
+    end
   end
 end