Gab Social. All are welcome.

app/controllers/home_controller.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+class HomeController < ApplicationController
+  before_action :authenticate_user!
+  before_action :set_referrer_policy_header
+  before_action :set_initial_state_json
+
+  def index
+    @body_classes = 'app-body'
+  end
+
+  private
+
+  def authenticate_user!
+    return if user_signed_in?
+
+    # if no current user, dont allow to navigate to these paths
+    matches = request.path.match(/\A\/(home|groups|tags|lists|notifications|explore|follow_requests|blocks|domain_blocks|mutes)/)
+
+    if matches
+      redirect_to(homepage_path)
+    end
+  end
+
+  def set_initial_state_json
+    serializable_resource = ActiveModelSerializers::SerializableResource.new(InitialStatePresenter.new(initial_state_params), serializer: InitialStateSerializer)
+    @initial_state_json   = serializable_resource.to_json
+  end
+
+  def initial_state_params
+    if !current_user.nil?
+      {
+        settings: Web::Setting.find_by(user: current_user)&.data || {},
+        push_subscription: current_account.user.web_push_subscription(current_session),
+        current_account: current_account,
+        token: current_session.token,
+        admin: Account.find_local(Setting.site_contact_username.strip.gsub(/\A@/, '')),
+      }
+    else
+      {
+        admin: Account.find_local(Setting.site_contact_username.strip.gsub(/\A@/, '')),
+      }
+    end
+  end
+
+  def set_referrer_policy_header
+    response.headers['Referrer-Policy'] = 'origin'
+  end
+end