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