Google authentication added

Gemfile

@@ -118,7 +118,7 @@ gem "sprockets"
 # Authentication against Google, Facebook and others
 gem 'omniauth'
 # gem 'omniauth-amazon'
-# gem 'omniauth-google-oauth2'
+gem 'omniauth-google-oauth2'
 # gem 'omniauth-github'
 # gem 'omniauth-twitter'
 gem 'omniauth-openid'

Gemfile.lock

@@ -86,6 +86,8 @@ GEM
     execjs (2.7.0)
     fancybox2-rails (0.2.7)
       railties (>= 3.1.0)
+    faraday (0.11.0)
+      multipart-post (>= 1.2, < 3)
     ffi (1.9.18)
     font-awesome-rails (4.7.0.1)
       railties (>= 3.2, < 5.1)
@@ -124,6 +126,7 @@ GEM
     js_cookie_rails (2.1.4)
       railties (>= 3.1)
     json (1.8.6)
+    jwt (1.5.6)
     libv8 (3.16.14.19)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -149,6 +152,8 @@ GEM
       minitest (>= 5.0)
       ruby-progressbar
     multi_json (1.12.1)
+    multi_xml (0.6.0)
+    multipart-post (2.0.0)
     nenv (0.3.0)
     nio4r (2.0.0)
     nokogiri (1.7.1)
@@ -156,9 +161,23 @@ GEM
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
+    oauth2 (1.3.1)
+      faraday (>= 0.8, < 0.12)
+      jwt (~> 1.0)
+      multi_json (~> 1.3)
+      multi_xml (~> 0.5)
+      rack (>= 1.2, < 3)
     omniauth (1.6.1)
       hashie (>= 3.4.6, < 3.6.0)
       rack (>= 1.6.2, < 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-oauth2 (1.4.0)
+      oauth2 (~> 1.0)
+      omniauth (~> 1.2)
     omniauth-openid (1.0.1)
       omniauth (~> 1.0)
       rack-openid (~> 1.3.1)
@@ -307,6 +326,7 @@ DEPENDENCIES
   minitest-rails
   minitest-reporters
   omniauth
+  omniauth-google-oauth2
   omniauth-openid
   paperclip
   pg

README.developer.md

@@ -11,15 +11,11 @@ https://github.com/plataformatec/devise/wiki/OmniAuth:-Overview
 
 ## Google+
 
-The client ID for the debshots application is:
+The client ID for the debshots and the private key must be set as environment
+variables before running the application:
 
-    398593918966-0fpmit0pb6ptio1ndsie5dfcnqhei63l.apps.googleusercontent.com
+* GOOGLE_CLIENT_ID=…
-
+* GOOGLE_CLIENT_SECRET=…
-The private key is:
-
-    uRQq_dLs1kx7l5sYIyEyPVRc
-
-(This information is connected to the christoph.haas@gmail.com account.)
 
 ## Amazon
 

app/controllers/users/omniauth_callbacks_controller.rb

@@ -11,6 +11,10 @@ class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
     login_via 'StackExchange'
   end
 
+  def google_oauth2
+    login_via 'Google'
+  end
+
   def login_via(provider_name)
     # You need to implement the method below in your model (e.g. app/models/user.rb)
     @user = User.from_omniauth(request.env["omniauth.auth"])

app/models/user.rb

@@ -10,7 +10,11 @@ class User < ApplicationRecord
     # :validatable,
     :timeoutable,
     # :lockable,
-    :omniauthable, :omniauth_providers => [:launchpad,:stackexchange]
+    :omniauthable, :omniauth_providers => [
+      :launchpad,
+      :stackexchange,
+      :google_oauth2
+    ]
 
 
   def self.from_omniauth(auth)
@@ -23,19 +27,5 @@ class User < ApplicationRecord
         user.password = Devise.friendly_token[0,20]
       end
   end
-  #
-  # def self.from_omniauth(access_token)
-  #     data = access_token.info
-  #     user = User.where(:email => data["email"]).first
-  #
-  #     # Uncomment the section below if you want users to be created if they don't exist
-  #     # unless user
-  #     #     user = User.create(name: data["name"],
-  #     #        email: data["email"],
-  #     #        password: Devise.friendly_token[0,20]
-  #     #     )
-  #     # end
-  #     user
-  # end
 
 end

app/views/devise/sessions/new.slim

@@ -39,6 +39,7 @@
 
 = link_to "Sign in with Launchpad", user_launchpad_omniauth_authorize_path
 = link_to "Sign in with StackExchange", user_stackexchange_omniauth_authorize_path
+= link_to "Sign in with Google", user_google_oauth2_omniauth_authorize_path
 
 / div
 /   = link_to image_tag('/images/sso/google.png'), user_google_oauth2_omniauth_authorize_path

config/initializers/devise.rb

@@ -274,10 +274,8 @@ Devise.setup do |config|
   # config.omniauth_path_prefix = '/my_engine/users/auth'
 
   # config.omniauth :launchpad, 'debshots'
-  # config.omniauth :google_oauth2, '398593918966-0fpmit0pb6ptio1ndsie5dfcnqhei63l.apps.googleusercontent.com', 'uRQq_dLs1kx7l5sYIyEyPVRc', :client_options => {:ssl => {:ca_path => '/etc/ssl/certs'}}
+  config.omniauth :google_oauth2, ENV["GOOGLE_CLIENT_ID"], ENV["GOOGLE_CLIENT_SECRET"], :client_options => {:ssl => {:ca_path => '/etc/ssl/certs'}}
-  #
+
-  # # config.omniauth :launchpad, 'Debian Screenshots', :client_options => {:ssl => {:ca_path => '/etc/ssl/certs'}}
-  #
   # config.omniauth :amazon, 'amzn1.application-oa2-client.78d832919fc24456b0636762cf18efd9', '8c495d0940ca4100313c03e93b8b4240eef256d2fdbe672718506f29f5a20f61', :client_options => {:ssl => {:ca_path => '/etc/ssl/certs'}}
 
   config.omniauth :open_id, name: :stackexchange, identifier: 'https://openid.stackexchange.com', :client_options => {:ssl => {:ca_path => '/etc/ssl/certs'}}