Handles unsubscribe from notifications via email

- allows unsubscription processing of email in format "reply+%{key}+unsubscribe@acme.com" (example)
- if config.address includes %{key} and replies are enabled every unsubscriable message will include mailto: link in its List-Unsubscribe header

1 files changed, 2 insertions, 41 deletions

diff --git a/lib/gitlab/email/handler/base_handler.rb b/lib/gitlab/email/handler/base_handler.rb
index 7cccf465334..3f6ace0311a 100644
--- a/lib/gitlab/email/handler/base_handler.rb
+++ b/lib/gitlab/email/handler/base_handler.rb
@@ -9,52 +9,13 @@ module Gitlab
           @mail_key = mail_key
         end
 
-        def message
-          @message ||= process_message
-        end
-
-        def author
+        def can_execute?
           raise NotImplementedError
         end
 
-        def project
+        def execute
           raise NotImplementedError
         end
-
-        private
-
-        def validate_permission!(permission)
-          raise UserNotFoundError unless author
-          raise UserBlockedError if author.blocked?
-          raise ProjectNotFound unless author.can?(:read_project, project)
-          raise UserNotAuthorizedError unless author.can?(permission, project)
-        end
-
-        def process_message
-          message = ReplyParser.new(mail).execute.strip
-          add_attachments(message)
-        end
-
-        def add_attachments(reply)
-          attachments = Email::AttachmentUploader.new(mail).execute(project)
-
-          reply + attachments.map do |link|
-            "\n\n#{link[:markdown]}"
-          end.join
-        end
-
-        def verify_record!(record:, invalid_exception:, record_name:)
-          return if record.persisted?
-          return if record.errors.key?(:commands_only)
-
-          error_title = "The #{record_name} could not be created for the following reasons:"
-
-          msg = error_title + record.errors.full_messages.map do |error|
-            "\n\n- #{error}"
-          end.join
-
-          raise invalid_exception, msg
-        end
       end
     end
   end