debian-mirror-gitlab/lib/gitlab/email/handler/unsubscribe_handler.rb
2019-12-04 20:38:33 +05:30

53 lines
1.6 KiB
Ruby

# frozen_string_literal: true
require 'gitlab/email/handler/base_handler'
# handles unsubscribe emails with these formats:
# incoming+1234567890abcdef1234567890abcdef-unsubscribe@incoming.gitlab.com
# incoming+1234567890abcdef1234567890abcdef+unsubscribe@incoming.gitlab.com (legacy)
module Gitlab
module Email
module Handler
class UnsubscribeHandler < BaseHandler
delegate :project, to: :sent_notification, allow_nil: true
HANDLER_REGEX_FOR = -> (suffix) { /\A(?<reply_token>\w+)#{Regexp.escape(suffix)}\z/ }.freeze
HANDLER_REGEX = HANDLER_REGEX_FOR.call(Gitlab::IncomingEmail::UNSUBSCRIBE_SUFFIX).freeze
HANDLER_REGEX_LEGACY = HANDLER_REGEX_FOR.call(Gitlab::IncomingEmail::UNSUBSCRIBE_SUFFIX_LEGACY).freeze
def initialize(mail, mail_key)
super(mail, mail_key)
matched = HANDLER_REGEX.match(mail_key.to_s) || HANDLER_REGEX_LEGACY.match(mail_key.to_s)
@reply_token = matched[:reply_token] if matched
end
def can_handle?
reply_token.present?
end
def execute
raise SentNotificationNotFoundError unless sent_notification
return unless sent_notification.unsubscribable?
noteable = sent_notification.noteable
raise NoteableNotFoundError unless noteable
noteable.unsubscribe(sent_notification.recipient)
end
def metrics_event
:receive_email_unsubscribe
end
private
attr_reader :reply_token
def sent_notification
@sent_notification ||= SentNotification.for(reply_token)
end
end
end
end
end