108 lines
3 KiB
Ruby
108 lines
3 KiB
Ruby
# Inspired in great part by Discourse's Email::Receiver
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module Gitlab
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module Email
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class Receiver
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class ProcessingError < StandardError; end
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class EmailUnparsableError < ProcessingError; end
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class SentNotificationNotFoundError < ProcessingError; end
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class EmptyEmailError < ProcessingError; end
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class AutoGeneratedEmailError < ProcessingError; end
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class UserNotFoundError < ProcessingError; end
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class UserBlockedError < ProcessingError; end
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class UserNotAuthorizedError < ProcessingError; end
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class NoteableNotFoundError < ProcessingError; end
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class InvalidNoteError < ProcessingError; end
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def initialize(raw)
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@raw = raw
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end
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def execute
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raise EmptyEmailError if @raw.blank?
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raise SentNotificationNotFoundError unless sent_notification
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raise AutoGeneratedEmailError if message.header.to_s =~ /auto-(generated|replied)/
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author = sent_notification.recipient
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raise UserNotFoundError unless author
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raise UserBlockedError if author.blocked?
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project = sent_notification.project
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raise UserNotAuthorizedError unless project && author.can?(:create_note, project)
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raise NoteableNotFoundError unless sent_notification.noteable
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reply = ReplyParser.new(message).execute.strip
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raise EmptyEmailError if reply.blank?
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reply = add_attachments(reply)
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note = create_note(reply)
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unless note.persisted?
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message = "The comment could not be created for the following reasons:"
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note.errors.full_messages.each do |error|
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message << "\n\n- #{error}"
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end
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raise InvalidNoteError, message
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end
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end
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private
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def message
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@message ||= Mail::Message.new(@raw)
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rescue Encoding::UndefinedConversionError, Encoding::InvalidByteSequenceError => e
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raise EmailUnparsableError, e
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end
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def reply_key
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reply_key = nil
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message.to.each do |address|
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reply_key = Gitlab::IncomingEmail.key_from_address(address)
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break if reply_key
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end
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reply_key
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end
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def sent_notification
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return nil unless reply_key
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SentNotification.for(reply_key)
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end
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def add_attachments(reply)
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attachments = Email::AttachmentUploader.new(message).execute(sent_notification.project)
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attachments.each do |link|
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text = "[#{link[:alt]}](#{link[:url]})"
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text.prepend("!") if link[:is_image]
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reply << "\n\n#{text}"
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end
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reply
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end
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def create_note(reply)
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Notes::CreateService.new(
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sent_notification.project,
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sent_notification.recipient,
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note: reply,
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noteable_type: sent_notification.noteable_type,
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noteable_id: sent_notification.noteable_id,
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commit_id: sent_notification.commit_id,
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line_code: sent_notification.line_code
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).execute
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end
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end
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end
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end
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