Add generation of the Canny SSO token

Gemfile

@@ -64,6 +64,8 @@ gem "redis"
 
 gem "fake_email_validator"
 
+gem "jwt", "~> 2.3"
+
 group :development do
   gem "binding_of_caller"
   gem "byebug"

Gemfile.lock

@@ -291,6 +291,7 @@ GEM
     jquery-ui-rails (6.0.1)
       railties (>= 3.2.16)
     json (2.6.1)
+    jwt (2.3.0)
     kaminari (1.2.2)
       activesupport (>= 4.1.0)
       kaminari-actionview (= 1.2.2)
@@ -639,6 +640,7 @@ DEPENDENCIES
   httparty
   i18n-js (= 3.6)
   jbuilder (~> 2.10)
+  jwt (~> 2.3)
   letter_opener
   mini_magick
   omniauth

app/helpers/feedback_helper.rb

@@ -0,0 +1,14 @@
+module FeedbackHelper
+  def canny_token
+    return if current_user.nil?
+    
+    userData = {
+      avatarURL: current_user.profile_picture.url(:large),
+      name: current_user.screen_name,
+      id: current_user.id,
+      email: current_user.email
+    }
+
+    JWT.encode(userData, APP_CONFIG.dig("canny", "sso"))
+  end
+end

app/views/feedback/bugs.haml

@@ -6,5 +6,6 @@
 %script
   Canny('render', {
   boardToken: '#{APP_CONFIG['canny']['bug_board']}',
+  ssoToken: '#{canny_token}',
   basePath: '/feedback/bugs'
   });

app/views/feedback/features.haml

@@ -6,5 +6,6 @@
 %script
   Canny('render', {
   boardToken: '#{APP_CONFIG['canny']['feature_board']}',
+  ssoToken: '#{canny_token}',
   basePath: '/feedback/feature-requests'
   });