2016-11-15 17:56:29 +02:00
|
|
|
# frozen_string_literal: true
|
|
|
|
|
2017-06-19 02:51:04 +03:00
|
|
|
class ResolveRemoteAccountService < BaseService
|
2016-10-12 22:07:00 +03:00
|
|
|
include OStatus2::MagicKey
|
|
|
|
|
2016-11-15 17:56:29 +02:00
|
|
|
DFRN_NS = 'http://purl.org/macgirvin/dfrn/1.0'
|
2016-10-12 23:55:00 +03:00
|
|
|
|
2016-02-24 13:57:29 +02:00
|
|
|
# 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] uri User URI in the form of username@domain
|
|
|
|
# @return [Account]
|
2017-06-15 12:04:23 +03:00
|
|
|
def call(uri, update_profile = true, redirected = nil)
|
2017-07-19 15:44:04 +03:00
|
|
|
@username, @domain = uri.split('@')
|
2016-03-21 19:26:47 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
return Account.find_local(@username) if TagManager.instance.local_domain?(@domain)
|
2016-03-21 19:26:47 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
@account = Account.find_remote(@username, @domain)
|
|
|
|
|
|
|
|
return @account unless webfinger_update_due?
|
2016-09-20 01:39:03 +03:00
|
|
|
|
2016-11-03 17:57:44 +02:00
|
|
|
Rails.logger.debug "Looking up webfinger for #{uri}"
|
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
@webfinger = Goldfinger.finger("acct:#{uri}")
|
2016-02-20 23:53:20 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
raise Goldfinger::Error, 'Missing resource links' if links_missing?
|
2016-10-13 14:41:06 +03:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
confirmed_username, confirmed_domain = @webfinger.subject.gsub(/\Aacct:/, '').split('@')
|
2016-11-03 17:57:44 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
if confirmed_username.casecmp(@username).zero? && confirmed_domain.casecmp(@domain).zero?
|
|
|
|
@username = confirmed_username
|
|
|
|
@domain = confirmed_domain
|
|
|
|
else
|
2017-06-15 12:04:23 +03:00
|
|
|
return call("#{confirmed_username}@#{confirmed_domain}", update_profile, true) if redirected.nil?
|
2017-07-19 15:44:04 +03:00
|
|
|
raise Goldfinger::Error, 'Requested and returned acct URIs do not match'
|
2017-04-19 18:28:35 +03:00
|
|
|
end
|
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
return Account.find_local(@username) if TagManager.instance.local_domain?(@domain)
|
2016-11-03 17:57:44 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
RedisLock.acquire(lock_options) do |lock|
|
|
|
|
if lock.acquired?
|
|
|
|
@account = Account.find_remote(@username, @domain)
|
2016-11-03 17:57:44 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
create_account if @account.nil?
|
|
|
|
update_account
|
|
|
|
|
|
|
|
update_account_profile if update_profile
|
|
|
|
end
|
2017-04-15 04:16:05 +03:00
|
|
|
end
|
2016-11-03 17:57:44 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
@account
|
|
|
|
end
|
2017-01-23 18:38:38 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
private
|
2016-02-20 23:53:20 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
def links_missing?
|
|
|
|
@webfinger.link('http://schemas.google.com/g/2010#updates-from').nil? ||
|
|
|
|
@webfinger.link('salmon').nil? ||
|
|
|
|
@webfinger.link('http://webfinger.net/rel/profile-page').nil? ||
|
|
|
|
@webfinger.link('magic-public-key').nil?
|
|
|
|
end
|
2016-02-20 23:53:20 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
def webfinger_update_due?
|
|
|
|
@account.nil? || @account.last_webfingered_at.nil? || @account.last_webfingered_at <= 1.day.ago
|
|
|
|
end
|
2016-02-22 19:10:30 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
def create_account
|
|
|
|
Rails.logger.debug "Creating new remote account for #{@username}@#{@domain}"
|
2016-02-20 23:53:20 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
@account = Account.new(username: @username, domain: @domain)
|
|
|
|
@account.suspended = true if auto_suspend?
|
|
|
|
@account.silenced = true if auto_silence?
|
|
|
|
@account.private_key = nil
|
2016-02-20 23:53:20 +02:00
|
|
|
end
|
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
def update_account
|
|
|
|
@account.last_webfingered_at = Time.now.utc
|
|
|
|
@account.remote_url = atom_url
|
|
|
|
@account.salmon_url = salmon_url
|
|
|
|
@account.url = url
|
|
|
|
@account.public_key = public_key
|
|
|
|
@account.uri = canonical_uri
|
|
|
|
@account.hub_url = hub_url
|
|
|
|
@account.save!
|
|
|
|
end
|
2016-02-20 23:53:20 +02:00
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
def auto_suspend?
|
|
|
|
domain_block && domain_block.suspend?
|
2017-04-16 17:38:29 +03:00
|
|
|
end
|
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
def auto_silence?
|
|
|
|
domain_block && domain_block.silence?
|
2016-02-20 23:53:20 +02:00
|
|
|
end
|
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
def domain_block
|
|
|
|
return @domain_block if defined?(@domain_block)
|
|
|
|
@domain_block = DomainBlock.find_by(domain: @domain)
|
2016-10-12 23:55:00 +03:00
|
|
|
end
|
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
def atom_url
|
|
|
|
@atom_url ||= @webfinger.link('http://schemas.google.com/g/2010#updates-from').href
|
|
|
|
end
|
|
|
|
|
|
|
|
def salmon_url
|
|
|
|
@salmon_url ||= @webfinger.link('salmon').href
|
|
|
|
end
|
|
|
|
|
|
|
|
def url
|
|
|
|
@url ||= @webfinger.link('http://webfinger.net/rel/profile-page').href
|
|
|
|
end
|
|
|
|
|
|
|
|
def public_key
|
|
|
|
@public_key ||= magic_key_to_pem(@webfinger.link('magic-public-key').href)
|
|
|
|
end
|
|
|
|
|
|
|
|
def canonical_uri
|
|
|
|
return @canonical_uri if defined?(@canonical_uri)
|
|
|
|
|
|
|
|
author_uri = atom.at_xpath('/xmlns:feed/xmlns:author/xmlns:uri')
|
2016-10-12 23:55:00 +03:00
|
|
|
|
|
|
|
if author_uri.nil?
|
2017-07-19 15:44:04 +03:00
|
|
|
owner = atom.at_xpath('/xmlns:feed').at_xpath('./dfrn:owner', dfrn: DFRN_NS)
|
2016-10-12 23:55:00 +03:00
|
|
|
author_uri = owner.at_xpath('./xmlns:uri') unless owner.nil?
|
|
|
|
end
|
|
|
|
|
|
|
|
raise Goldfinger::Error, 'Author URI could not be found' if author_uri.nil?
|
2017-07-19 15:44:04 +03:00
|
|
|
|
|
|
|
@canonical_uri = author_uri.content
|
|
|
|
end
|
|
|
|
|
|
|
|
def hub_url
|
|
|
|
return @hub_url if defined?(@hub_url)
|
|
|
|
|
|
|
|
hubs = atom.xpath('//xmlns:link[@rel="hub"]')
|
|
|
|
|
|
|
|
raise Goldfinger::Error, 'No PubSubHubbub hubs found' if hubs.empty? || hubs.first['href'].nil?
|
|
|
|
|
|
|
|
@hub_url = hubs.first['href']
|
|
|
|
end
|
|
|
|
|
|
|
|
def atom_body
|
|
|
|
return @atom_body if defined?(@atom_body)
|
|
|
|
|
|
|
|
response = Request.new(:get, atom_url).perform
|
|
|
|
|
|
|
|
raise Goldfinger::Error, "Feed attempt failed for #{atom_url}: HTTP #{response.code}" unless response.code == 200
|
|
|
|
|
|
|
|
@atom_body = response.to_s
|
|
|
|
end
|
|
|
|
|
|
|
|
def atom
|
|
|
|
return @atom if defined?(@atom)
|
|
|
|
@atom = Nokogiri::XML(atom_body)
|
|
|
|
end
|
|
|
|
|
|
|
|
def update_account_profile
|
|
|
|
RemoteProfileUpdateWorker.perform_async(@account.id, atom_body.force_encoding('UTF-8'), false)
|
2016-10-12 23:55:00 +03:00
|
|
|
end
|
|
|
|
|
2017-07-19 15:44:04 +03:00
|
|
|
def lock_options
|
|
|
|
{ redis: Redis.current, key: "resolve:#{@username}@#{@domain}" }
|
2016-02-28 15:26:26 +02:00
|
|
|
end
|
2016-02-20 23:53:20 +02:00
|
|
|
end
|