GRN-93: Fix for issue with excesive requests to LB (#447)

* Fix for issue with excesive requests to lb

* Fixed issue with rspec on users not passing when run alone

* Include dotenv in production

Gemfile

@@ -78,9 +78,9 @@ end
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platform: :mri
-  # Environment configuration.
-  gem 'dotenv-rails'
 end
+# Environment configuration.
+gem 'dotenv-rails'
 
 group :test do
   # Include Rspec and other testing utilities.

app/controllers/application_controller.rb

@@ -111,7 +111,7 @@ class ApplicationController < ActionController::Base
     @user_domain = if Rails.env.test? || !Rails.configuration.loadbalanced_configuration
       "greenlight"
     else
-      parse_user_domain(request.env["SERVER_NAME"])
+      parse_user_domain(request.host)
     end
   end
   helper_method :set_user_domain

app/helpers/application_helper.rb

@@ -84,7 +84,8 @@ module ApplicationHelper
     begin
       provider_info = retrieve_provider_info(@user_domain, 'api2', 'getUserGreenlightCredentials')
       provider_info['provider'] == 'greenlight'
-    rescue
+    rescue => ex
+      logger.info ex
       false
     end
   end

app/helpers/sessions_helper.rb

@@ -54,7 +54,9 @@ module SessionsHelper
   end
 
   def parse_user_domain(hostname)
-    hostname.split('.').first
+    return hostname.split('.').first unless Rails.configuration.url_host
+    return '' unless hostname.include?(Rails.configuration.url_host)
+    hostname.chomp(Rails.configuration.url_host).chomp('.')
   end
 
   def omniauth_options(env)

app/mailers/user_mailer.rb

@@ -17,7 +17,7 @@
 # with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 
 class UserMailer < ApplicationMailer
-  default from: Rails.configuration.email_sender
+  default from: Rails.configuration.smtp_sender
 
   def verify_email(user, url)
     @user = user

app/models/user.rb

@@ -185,6 +185,7 @@ class User < ApplicationRecord
   end
 
   def greenlight_account?
+    return true unless provider # For testing cases when provider is set to null
     return provider == "greenlight" unless Rails.configuration.loadbalanced_configuration
     # No need to retrive the provider info if the provider is whitelisted
     return true if launcher_allow_user_signup_whitelisted?(provider)

config/application.rb

@@ -68,10 +68,13 @@ module Greenlight
       # Fix endpoint format if required.
       config.loadbalancer_endpoint += "/" unless config.bigbluebutton_endpoint.ends_with?("/")
       config.loadbalancer_endpoint = config.loadbalancer_endpoint.chomp("api/")
+
+      # Configure which settings are available to user on room creation/edit after creation
+      config.url_host = ENV['URL_HOST'] || ''
     end
 
     # Specify the email address that all mail is sent from
-    config.email_sender = ENV['EMAIL_SENDER'].present? ? ENV['EMAIL_SENDER'] : "notifications@example.com"
+    config.smtp_sender = ENV['SMTP_SENDER'] || "notifications@example.com"
 
     # Determine if GreenLight should enable email verification
     config.enable_email_verification = (ENV['ALLOW_MAIL_NOTIFICATIONS'] == "true")

lib/bbb_api.rb

@@ -31,7 +31,7 @@ module BbbApi
   # Rereives info from the loadbalanced in regards to a Provider (or tenant).
   def retrieve_provider_info(provider, api = 'api', route = 'getUser')
     # Include Omniauth accounts under the Greenlight provider.
-    provider ||= 'greenlight'
+    raise "Provider not included." if !provider || provider.empty?
 
     # Build the URI.
     uri = encode_bbb_url(

sample.env

@@ -103,7 +103,7 @@ SMTP_AUTH=
 SMTP_STARTTLS_AUTO=
 
 # Specify the email address that all mail is sent from
-EMAIL_SENDER=
+SMTP_SENDER=
 
 # Prefix for the applications root URL.
 # Useful for deploying the application to a subdirectory, which is highly recommended

spec/factories.rb

@@ -19,7 +19,6 @@
 FactoryBot.define do
   factory :user do
     password = Faker::Internet.password(8)
-
     provider { %w(google twitter).sample }
     uid { rand(10**8) }
     name { Faker::Name.first_name }

spec/models/user_spec.rb

@@ -17,6 +17,7 @@
 # with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 
 require "rails_helper"
+require 'bigbluebutton_api'
 
 describe User, type: :model do
   before do