Merge pull request #1 from basecamp/ingresses

Accept inbound emails from a variety of ingresses

1 files changed, 41 insertions, 0 deletions

diff --git a/lib/tasks/ingress.rake b/lib/tasks/ingress.rake
new file mode 100644
index 0000000000..510951aa2a
--- /dev/null
+++ b/lib/tasks/ingress.rake
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+namespace :action_mailbox do
+  namespace :ingress do
+    desc "Pipe an inbound email from STDIN to the Postfix ingress at the given URL"
+    task :postfix do
+      require "active_support"
+      require "active_support/core_ext/object/blank"
+      require "http"
+
+      unless url = ENV["URL"].presence
+        abort "5.3.5 URL is required"
+      end
+
+      unless password = ENV["INGRESS_PASSWORD"].presence
+        abort "5.3.5 INGRESS_PASSWORD is required"
+      end
+
+      begin
+        response = HTTP.basic_auth(user: "actionmailbox", pass: password)
+          .timeout(connect: 1, write: 10, read: 10)
+          .post(url, headers: { "Content-Type" => "message/rfc822", "User-Agent" => ENV.fetch("USER_AGENT", "Postfix") }, body: STDIN)
+
+        case
+        when response.status.success?
+          puts "2.0.0 HTTP #{response.status}"
+        when response.status.unauthorized?
+          abort "4.7.0 HTTP #{response.status}"
+        when response.status.unsupported_media_type?
+          abort "5.6.1 HTTP #{response.status}"
+        else
+          abort "4.0.0 HTTP #{response.status}"
+        end
+      rescue HTTP::ConnectionError => error
+        abort "4.4.2 Error connecting to the Postfix ingress: #{error.message}"
+      rescue HTTP::TimeoutError
+        abort "4.4.7 Timed out piping to the Postfix ingress"
+      end
+    end
+  end
+end