Merge pull request #222 from bruckwubete/bn_launcher_integration

Bn launcher integration

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" %>