23aeef52cc
* Remove Salmon and PubSubHubbub endpoints * Add error when trying to follow OStatus accounts * Fix new accounts not being created in ResolveAccountService
103 lines
3 KiB
Ruby
103 lines
3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require_relative '../models/account'
|
|
|
|
class ResolveAccountService < BaseService
|
|
include JsonLdHelper
|
|
|
|
# Find or create a local account for a remote user.
|
|
# When creating, look up the user's webfinger and fetch all
|
|
# important information from their feed
|
|
# @param [String, Account] uri User URI in the form of username@domain
|
|
# @param [Hash] options
|
|
# @return [Account]
|
|
def call(uri, options = {})
|
|
@options = options
|
|
|
|
if uri.is_a?(Account)
|
|
@account = uri
|
|
@username = @account.username
|
|
@domain = @account.domain
|
|
uri = "#{@username}@#{@domain}"
|
|
|
|
return @account if @account.local? || !webfinger_update_due?
|
|
else
|
|
@username, @domain = uri.split('@')
|
|
|
|
return Account.find_local(@username) if TagManager.instance.local_domain?(@domain)
|
|
|
|
@account = Account.find_remote(@username, @domain)
|
|
|
|
return @account unless webfinger_update_due?
|
|
end
|
|
|
|
Rails.logger.debug "Looking up webfinger for #{uri}"
|
|
|
|
@webfinger = Goldfinger.finger("acct:#{uri}")
|
|
|
|
confirmed_username, confirmed_domain = @webfinger.subject.gsub(/\Aacct:/, '').split('@')
|
|
|
|
if confirmed_username.casecmp(@username).zero? && confirmed_domain.casecmp(@domain).zero?
|
|
@username = confirmed_username
|
|
@domain = confirmed_domain
|
|
elsif options[:redirected].nil?
|
|
return call("#{confirmed_username}@#{confirmed_domain}", options.merge(redirected: true))
|
|
else
|
|
Rails.logger.debug 'Requested and returned acct URIs do not match'
|
|
return
|
|
end
|
|
|
|
return Account.find_local(@username) if TagManager.instance.local_domain?(@domain)
|
|
return unless activitypub_ready?
|
|
|
|
RedisLock.acquire(lock_options) do |lock|
|
|
if lock.acquired?
|
|
@account = Account.find_remote(@username, @domain)
|
|
|
|
next unless @account.nil? || @account.activitypub?
|
|
|
|
handle_activitypub
|
|
else
|
|
raise Mastodon::RaceConditionError
|
|
end
|
|
end
|
|
|
|
@account
|
|
rescue Goldfinger::Error => e
|
|
Rails.logger.debug "Webfinger query for #{uri} unsuccessful: #{e}"
|
|
nil
|
|
end
|
|
|
|
private
|
|
|
|
def webfinger_update_due?
|
|
@account.nil? || ((!@options[:skip_webfinger] || @account.ostatus?) && @account.possibly_stale?)
|
|
end
|
|
|
|
def activitypub_ready?
|
|
!@webfinger.link('self').nil? && ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(@webfinger.link('self').type)
|
|
end
|
|
|
|
def handle_activitypub
|
|
return if actor_json.nil?
|
|
|
|
@account = ActivityPub::ProcessAccountService.new.call(@username, @domain, actor_json)
|
|
rescue Oj::ParseError
|
|
nil
|
|
end
|
|
|
|
def actor_url
|
|
@actor_url ||= @webfinger.link('self').href
|
|
end
|
|
|
|
def actor_json
|
|
return @actor_json if defined?(@actor_json)
|
|
|
|
json = fetch_resource(actor_url, false)
|
|
@actor_json = supported_context?(json) && equals_or_includes_any?(json['type'], ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES) ? json : nil
|
|
end
|
|
|
|
def lock_options
|
|
{ redis: Redis.current, key: "resolve:#{@username}@#{@domain}" }
|
|
end
|
|
end
|