This repository has been archived on 2019-05-14. You can view files and clone it, but cannot push or open issues or pull requests.
mastodon/app/services/process_interaction_service.rb

90 lines
2.5 KiB
Ruby
Raw Normal View History

2016-02-24 11:57:29 +00:00
class ProcessInteractionService < BaseService
# Record locally the remote interaction with our user
# @param [String] envelope Salmon envelope
# @param [Account] target_account Account the Salmon was addressed to
2016-02-22 15:00:20 +00:00
def call(envelope, target_account)
body = salmon.unpack(envelope)
xml = Nokogiri::XML(body)
return unless contains_author?(xml)
2016-02-22 15:00:20 +00:00
username = xml.at_xpath('/xmlns:entry/xmlns:author/xmlns:name').content
url = xml.at_xpath('/xmlns:entry/xmlns:author/xmlns:uri').content
2016-02-22 15:00:20 +00:00
domain = Addressable::URI.parse(url).host
account = Account.find_by(username: username, domain: domain)
if account.nil?
account = follow_remote_account_service.("acct:#{username}@#{domain}", false)
return if account.nil?
2016-02-22 15:00:20 +00:00
end
if salmon.verify(envelope, account.keypair)
case verb(xml)
when :follow
follow!(account, target_account)
when :unfollow
unfollow!(account, target_account)
when :favorite
favourite!(xml, account)
when :post
add_post!(body, account) if mentions_account?(xml, target_account)
when :share
2016-02-24 01:15:58 +00:00
add_post!(body, account) unless status(xml).nil?
2016-02-22 15:00:20 +00:00
end
end
end
private
def contains_author?(xml)
!(xml.at_xpath('/xmlns:entry/xmlns:author/xmlns:name').nil? || xml.at_xpath('/xmlns:entry/xmlns:author/xmlns:uri').nil?)
end
def mentions_account?(xml, account)
xml.xpath('/xmlns:entry/xmlns:link[@rel="mentioned"]').each { |mention_link| return true if mention_link.attribute('ref') == profile_url(name: account.username) }
false
end
def verb(xml)
xml.at_xpath('//activity:verb').content.gsub('http://activitystrea.ms/schema/1.0/', '').to_sym
rescue
:post
end
def follow!(account, target_account)
account.follow!(target_account)
end
def unfollow!(account, target_account)
account.unfollow!(target_account)
end
def favourite!(xml, from_account)
2016-02-24 01:15:58 +00:00
status(xml).favourites.first_or_create!(account: from_account)
end
def add_post!(body, account)
process_feed_service.(body, account)
end
def status(xml)
Status.find(unique_tag_to_local_id(activity_id, 'Status'))
end
def activity_id(xml)
xml.at_xpath('/xmlns:entry/xmlns:id').content
2016-02-22 18:11:07 +00:00
end
2016-02-22 15:00:20 +00:00
def salmon
2016-02-24 11:57:29 +00:00
@salmon ||= OStatus2::Salmon.new
2016-02-22 15:00:20 +00:00
end
def follow_remote_account_service
2016-02-24 11:57:29 +00:00
@follow_remote_account_service ||= FollowRemoteAccountService.new
2016-02-22 15:00:20 +00:00
end
def process_feed_service
2016-02-24 11:57:29 +00:00
@process_feed_service ||= ProcessFeedService.new
end
2016-02-22 15:00:20 +00:00
end