passing params to the launcher gem

config/application.rb

@@ -18,7 +18,8 @@ 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/environments/production.rb

@@ -73,6 +73,9 @@ Rails.application.configure do
   # Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
 
+  # rails runs over http in production. Turning OpenSSL verify off to skip oauth2 verification of certs. This is done on nginx level
+  OpenSSL::SSL::VERIFY_PEER = OpenSSL::SSL::VERIFY_NONE
+
   # Use a different logger for distributed setups.
   # require 'syslog/logger'
   # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')

config/initializers/omniauth.rb

@@ -6,17 +6,28 @@ Rails.application.config.providers = [:google, :twitter, :bn_launcher]
 # 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 = (ENV["USE_LOADBALANCED_CONFIGURATION"] == "true")
+Rails.application.config.omniauth_bn_launcher = Rails.configuration.loadbalanced_configuration
+Rails.application.config.omniauth_bn_launcher = ENV["LOADBALANCER_ENDPOINT"].present? && ENV["LOADBALANCER_SECRET"].present?
+
+SETUP_PROC = lambda do |env|
+  SessionsController.helpers.set_omniauth_options env
+end
+
 
 # Setup the Omniauth middleware.
 Rails.application.config.middleware.use OmniAuth::Builder do
-  if Rails.env.production?
+  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']}
+             client_options: {site: ENV['BN_LAUNCHER_REDIRECT_URI']},
+             :setup => SETUP_PROC
   end
-
+  # provider :bn_launcher,
+  #          client_id: '123',
+  #          client_secret: '456',
+  #          client_options: {site: "http://demo.gl.greenlight.com:3000"},
+  #          :setup => SETUP_PROC
 
   provider :twitter, ENV['TWITTER_ID'], ENV['TWITTER_SECRET']