Raise when required config is missing

1 files changed, 9 insertions, 0 deletions

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 46b0977592..c7e53b07f4 100644
--- a/app/controllers/action_mailbox/ingresses/mailgun/inbound_emails_controller.rb
+++ b/app/controllers/action_mailbox/ingresses/mailgun/inbound_emails_controller.rb
@@ -24,6 +24,8 @@ class ActionMailbox::Ingresses::Mailgun::InboundEmailsController < ActionMailbox
 
       def initialize(timestamp:, token:, signature:)
         @timestamp, @token, @signature = Integer(timestamp), token, signature
+
+        ensure_presence_of_key
       end
 
       def authenticated?
@@ -31,6 +33,13 @@ class ActionMailbox::Ingresses::Mailgun::InboundEmailsController < ActionMailbox
       end
 
       private
+        def ensure_presence_of_key
+          unless key.present?
+            raise ArgumentError, "Missing required Mailgun API key"
+          end
+        end
+
+
         def signed?
           ActiveSupport::SecurityUtils.secure_compare signature, expected_signature
         end