activitypub-academy/app/services/process_mentions_service.rb
Eugen Rochko 7d985f2aac
Remove dependency on goldfinger gem (#14919)
There are edge cases where requests to certain hosts timeout when
using the vanilla HTTP.rb gem, which the goldfinger gem uses. Now
that we no longer need to support OStatus servers, webfinger logic
is so simple that there is no point encapsulating it in a gem, so
we can just use our own Request class. With that, we benefit from
more robust timeout code and IPv4/IPv6 resolution.

Fix #14091
2020-10-08 00:34:57 +02:00

79 lines
2.3 KiB
Ruby

# frozen_string_literal: true
class ProcessMentionsService < BaseService
include Payloadable
# Scan status for mentions and fetch remote mentioned users, create
# local mention pointers, send Salmon notifications to mentioned
# remote users
# @param [Status] status
def call(status)
return unless status.local?
@status = status
mentions = []
status.text = status.text.gsub(Account::MENTION_RE) do |match|
username, domain = Regexp.last_match(1).split('@')
domain = begin
if TagManager.instance.local_domain?(domain)
nil
else
TagManager.instance.normalize_domain(domain)
end
end
mentioned_account = Account.find_remote(username, domain)
if mention_undeliverable?(mentioned_account)
begin
mentioned_account = resolve_account_service.call(Regexp.last_match(1))
rescue Webfinger::Error, HTTP::Error, OpenSSL::SSL::SSLError, Mastodon::UnexpectedResponseError
mentioned_account = nil
end
end
next match if mention_undeliverable?(mentioned_account) || mentioned_account&.suspended?
mention = mentioned_account.mentions.new(status: status)
mentions << mention if mention.save
"@#{mentioned_account.acct}"
end
status.save!
check_for_spam(status)
mentions.each { |mention| create_notification(mention) }
end
private
def mention_undeliverable?(mentioned_account)
mentioned_account.nil? || (!mentioned_account.local? && mentioned_account.ostatus?)
end
def create_notification(mention)
mentioned_account = mention.account
if mentioned_account.local?
LocalNotificationWorker.perform_async(mentioned_account.id, mention.id, mention.class.name, :mention)
elsif mentioned_account.activitypub?
ActivityPub::DeliveryWorker.perform_async(activitypub_json, mention.status.account_id, mentioned_account.inbox_url)
end
end
def activitypub_json
return @activitypub_json if defined?(@activitypub_json)
@activitypub_json = Oj.dump(serialize_payload(ActivityPub::ActivityPresenter.from_status(@status), ActivityPub::ActivitySerializer, signer: @status.account))
end
def resolve_account_service
ResolveAccountService.new
end
def check_for_spam(status)
SpamCheck.perform(status)
end
end