dd7ef0dc41
* Add ActivityPub inbox * Handle ActivityPub deletes * Handle ActivityPub creates * Handle ActivityPub announces * Stubs for handling all activities that need to be handled * Add ActivityPub actor resolving * Handle conversation URI passing in ActivityPub * Handle content language in ActivityPub * Send accept header when fetching actor, handle JSON parse errors * Test for ActivityPub::FetchRemoteAccountService * Handle public key and icon/image when embedded/as array/as resolvable URI * Implement ActivityPub::FetchRemoteStatusService * Add stubs for more interactions * Undo activities implemented * Handle out of order activities * Hook up ActivityPub to ResolveRemoteAccountService, handle Update Account activities * Add fragment IDs to all transient activity serializers * Add tests and fixes * Add stubs for missing tests * Add more tests * Add more tests
58 lines
1.5 KiB
Ruby
58 lines
1.5 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class ActivityPub::FetchRemoteAccountService < BaseService
|
|
include JsonLdHelper
|
|
|
|
# Should be called when uri has already been checked for locality
|
|
# Does a WebFinger roundtrip on each call
|
|
def call(uri)
|
|
@json = fetch_resource(uri)
|
|
|
|
return unless supported_context? && expected_type?
|
|
|
|
@uri = @json['id']
|
|
@username = @json['preferredUsername']
|
|
@domain = Addressable::URI.parse(uri).normalized_host
|
|
|
|
return unless verified_webfinger?
|
|
|
|
ActivityPub::ProcessAccountService.new.call(@username, @domain, @json)
|
|
rescue Oj::ParseError
|
|
nil
|
|
end
|
|
|
|
private
|
|
|
|
def verified_webfinger?
|
|
webfinger = Goldfinger.finger("acct:#{@username}@#{@domain}")
|
|
confirmed_username, confirmed_domain = split_acct(webfinger.subject)
|
|
|
|
return true if @username.casecmp(confirmed_username).zero? && @domain.casecmp(confirmed_domain).zero?
|
|
|
|
webfinger = Goldfinger.finger("acct:#{confirmed_username}@#{confirmed_domain}")
|
|
confirmed_username, confirmed_domain = split_acct(webfinger.subject)
|
|
self_reference = webfinger.link('self')
|
|
|
|
return false if self_reference&.href != @uri
|
|
|
|
@username = confirmed_username
|
|
@domain = confirmed_domain
|
|
|
|
true
|
|
rescue Goldfinger::Error
|
|
false
|
|
end
|
|
|
|
def split_acct(acct)
|
|
acct.gsub(/\Aacct:/, '').split('@')
|
|
end
|
|
|
|
def supported_context?
|
|
super(@json)
|
|
end
|
|
|
|
def expected_type?
|
|
@json['type'] == 'Person'
|
|
end
|
|
end
|