Add frozen_string_literal: true to match Rails codebase

16 files changed, 32 insertions, 0 deletions

diff --git a/app/controllers/action_mailbox/base_controller.rb b/app/controllers/action_mailbox/base_controller.rb
index b73f5b7708..f8764a8240 100644
--- a/app/controllers/action_mailbox/base_controller.rb
+++ b/app/controllers/action_mailbox/base_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # The base class for all Active Mailbox ingress controllers.
 class ActionMailbox::BaseController < ActionController::Base
   skip_forgery_protection
diff --git a/app/controllers/action_mailbox/ingresses/amazon/inbound_emails_controller.rb b/app/controllers/action_mailbox/ingresses/amazon/inbound_emails_controller.rb
index 0c04170eae..2a8ec375c7 100644
--- a/app/controllers/action_mailbox/ingresses/amazon/inbound_emails_controller.rb
+++ b/app/controllers/action_mailbox/ingresses/amazon/inbound_emails_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Ingests inbound emails from Amazon's Simple Email Service (SES).
 #
 # Requires the full RFC 822 message in the +content+ parameter. Authenticates requests by validating their signatures.
diff --git a/app/controllers/action_mailbox/ingresses/mailgun/inbound_emails_controller.rb b/app/controllers/action_mailbox/ingresses/mailgun/inbound_emails_controller.rb
index 7583e25f26..225bcc5565 100644
--- a/app/controllers/action_mailbox/ingresses/mailgun/inbound_emails_controller.rb
+++ b/app/controllers/action_mailbox/ingresses/mailgun/inbound_emails_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Ingests inbound emails from Mailgun. Requires the following parameters:
 #
 # - +body-mime+: The full RFC 822 message
diff --git a/app/controllers/action_mailbox/ingresses/mandrill/inbound_emails_controller.rb b/app/controllers/action_mailbox/ingresses/mandrill/inbound_emails_controller.rb
index 8be27009d2..5a85e6b7f0 100644
--- a/app/controllers/action_mailbox/ingresses/mandrill/inbound_emails_controller.rb
+++ b/app/controllers/action_mailbox/ingresses/mandrill/inbound_emails_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Ingests inbound emails from Mandrill.
 #
 # Requires a +mandrill_events+ parameter containing a JSON array of Mandrill inbound email event objects.
diff --git a/app/controllers/action_mailbox/ingresses/postfix/inbound_emails_controller.rb b/app/controllers/action_mailbox/ingresses/postfix/inbound_emails_controller.rb
index ba04effd1f..a3b794c65b 100644
--- a/app/controllers/action_mailbox/ingresses/postfix/inbound_emails_controller.rb
+++ b/app/controllers/action_mailbox/ingresses/postfix/inbound_emails_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Ingests inbound emails relayed from Postfix.
 #
 # Authenticates requests using HTTP basic access authentication. The username is always +actionmailbox+, and the
diff --git a/app/controllers/action_mailbox/ingresses/sendgrid/inbound_emails_controller.rb b/app/controllers/action_mailbox/ingresses/sendgrid/inbound_emails_controller.rb
index 8e1d781c2c..c48abae66c 100644
--- a/app/controllers/action_mailbox/ingresses/sendgrid/inbound_emails_controller.rb
+++ b/app/controllers/action_mailbox/ingresses/sendgrid/inbound_emails_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Ingests inbound emails from SendGrid. Requires an +email+ parameter containing a full RFC 822 message.
 #
 # Authenticates requests using HTTP basic access authentication. The username is always +actionmailbox+, and the
diff --git a/app/controllers/rails/conductor/action_mailbox/inbound_emails_controller.rb b/app/controllers/rails/conductor/action_mailbox/inbound_emails_controller.rb
index 9804f6ec5b..eb96d88691 100644
--- a/app/controllers/rails/conductor/action_mailbox/inbound_emails_controller.rb
+++ b/app/controllers/rails/conductor/action_mailbox/inbound_emails_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Rails::Conductor::ActionMailbox::InboundEmailsController < Rails::Conductor::BaseController
   def index
     @inbound_emails = ActionMailbox::InboundEmail.order(created_at: :desc)
diff --git a/app/controllers/rails/conductor/action_mailbox/reroutes_controller.rb b/app/controllers/rails/conductor/action_mailbox/reroutes_controller.rb
index 6191bda5e5..c53203049b 100644
--- a/app/controllers/rails/conductor/action_mailbox/reroutes_controller.rb
+++ b/app/controllers/rails/conductor/action_mailbox/reroutes_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Rerouting will run routing and processing on an email that has already been, or attempted to be, processed.
 class Rails::Conductor::ActionMailbox::ReroutesController < Rails::Conductor::BaseController
   def create
diff --git a/app/controllers/rails/conductor/base_controller.rb b/app/controllers/rails/conductor/base_controller.rb
index cfa0b84963..c95a7f3b93 100644
--- a/app/controllers/rails/conductor/base_controller.rb
+++ b/app/controllers/rails/conductor/base_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # TODO: Move this to Rails::Conductor gem
 class Rails::Conductor::BaseController < ActionController::Base
   layout "rails/conductor"
diff --git a/app/jobs/action_mailbox/incineration_job.rb b/app/jobs/action_mailbox/incineration_job.rb
index 3c6c9aae4f..27dd9b151f 100644
--- a/app/jobs/action_mailbox/incineration_job.rb
+++ b/app/jobs/action_mailbox/incineration_job.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # You can configure when this `IncinerationJob` will be run as a time-after-processing using the
 # `config.action_mailbox.incinerate_after` or `ActionMailbox.incinerate_after` setting.
 #
diff --git a/app/jobs/action_mailbox/routing_job.rb b/app/jobs/action_mailbox/routing_job.rb
index c345227617..fc3388daff 100644
--- a/app/jobs/action_mailbox/routing_job.rb
+++ b/app/jobs/action_mailbox/routing_job.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Routing a new InboundEmail is an asynchronous operation, which allows the ingress controllers to quickly
 # accept new incoming emails without being burdened to hang while they're actually being processed.
 class ActionMailbox::RoutingJob < ActiveJob::Base
diff --git a/app/models/action_mailbox/inbound_email.rb b/app/models/action_mailbox/inbound_email.rb
index 156e2d4dbc..d815941922 100644
--- a/app/models/action_mailbox/inbound_email.rb
+++ b/app/models/action_mailbox/inbound_email.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "mail"
 
 # The `InboundEmail` is an Active Record that keeps a reference to the raw email stored in Active Storage
diff --git a/app/models/action_mailbox/inbound_email/incineratable.rb b/app/models/action_mailbox/inbound_email/incineratable.rb
index a049b88b69..fb2461cf50 100644
--- a/app/models/action_mailbox/inbound_email/incineratable.rb
+++ b/app/models/action_mailbox/inbound_email/incineratable.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Ensure that the `InboundEmail` is automatically scheduled for later incineration if the status has been
 # changed to `processed`. The later incineration will be invoked at the time specified by the 
 # `ActionMailbox.incinerate_after` time using the `IncinerationJob`.
diff --git a/app/models/action_mailbox/inbound_email/incineratable/incineration.rb b/app/models/action_mailbox/inbound_email/incineratable/incineration.rb
index 50861bc64b..c4aaaa25a9 100644
--- a/app/models/action_mailbox/inbound_email/incineratable/incineration.rb
+++ b/app/models/action_mailbox/inbound_email/incineratable/incineration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Command class for carrying out the actual incineration of the `InboundMail` that's been scheduled 
 # for removal. Before the incineration – which really is just a call to `#destroy!` – is run, we verify
 # that it's both eligible (by virtue of having already been processed) and time to do so (that is, 
diff --git a/app/models/action_mailbox/inbound_email/message_id.rb b/app/models/action_mailbox/inbound_email/message_id.rb
index dc17e48e74..4807a2a293 100644
--- a/app/models/action_mailbox/inbound_email/message_id.rb
+++ b/app/models/action_mailbox/inbound_email/message_id.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # The `Message-ID` as specified by rfc822 is supposed to be a unique identifier for that individual email. 
 # That makes it an ideal tracking token for debugging and forensics, just like `X-Request-Id` does for 
 # web request.
diff --git a/app/models/action_mailbox/inbound_email/routable.rb b/app/models/action_mailbox/inbound_email/routable.rb
index f042fa4f57..58d67eb20c 100644
--- a/app/models/action_mailbox/inbound_email/routable.rb
+++ b/app/models/action_mailbox/inbound_email/routable.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # A newly received `InboundEmail` will not be routed synchronously as part of ingress controller's receival.
 # Instead, the routing will be done asynchronously, using a `RoutingJob`, to ensure maximum parallel capacity.
 #