Fix posts from threads received out-of-order sometimes not being inserted into timelines (#27653)

This commit is contained in:
Claire 2023-11-02 15:58:37 +01:00
parent 81d7cfd544
commit 54a07731d1
3 changed files with 116 additions and 4 deletions

View File

@ -8,6 +8,7 @@ class FanOutOnWriteService < BaseService
# @param [Hash] options
# @option options [Boolean] update
# @option options [Array<Integer>] silenced_account_ids
# @option options [Boolean] skip_notifications
def call(status, options = {})
@status = status
@account = status.account
@ -37,8 +38,11 @@ class FanOutOnWriteService < BaseService
def fan_out_to_local_recipients!
deliver_to_self!
unless @options[:skip_notifications]
notify_mentioned_accounts!
notify_about_update! if update?
end
case @status.visibility.to_sym
when :public, :unlisted, :private

View File

@ -8,12 +8,17 @@ class ThreadResolveWorker
def perform(child_status_id, parent_url, options = {})
child_status = Status.find(child_status_id)
parent_status = FetchRemoteStatusService.new.call(parent_url, **options.deep_symbolize_keys)
return if child_status.in_reply_to_id.present?
parent_status = ActivityPub::TagManager.instance.uri_to_resource(parent_url, Status)
parent_status ||= FetchRemoteStatusService.new.call(parent_url, **options.deep_symbolize_keys)
return if parent_status.nil?
child_status.thread = parent_status
child_status.save!
DistributionWorker.perform_async(child_status_id, { 'skip_notifications' => true }) if child_status.within_realtime_window?
rescue ActiveRecord::RecordNotFound
true
end

View File

@ -23,6 +23,109 @@ RSpec.describe ActivityPub::Activity::Create do
stub_request(:get, 'http://example.com/emojib.png').to_return(body: attachment_fixture('emojo.png'), headers: { 'Content-Type' => 'application/octet-stream' })
end
describe 'processing posts received out of order' do
let(:follower) { Fabricate(:account, username: 'bob') }
let(:object_json) do
{
id: [ActivityPub::TagManager.instance.uri_for(sender), 'post1'].join('/'),
type: 'Note',
to: [
'https://www.w3.org/ns/activitystreams#Public',
ActivityPub::TagManager.instance.uri_for(follower),
],
content: '@bob lorem ipsum',
published: 1.hour.ago.utc.iso8601,
updated: 1.hour.ago.utc.iso8601,
tag: {
type: 'Mention',
href: ActivityPub::TagManager.instance.uri_for(follower),
},
}
end
let(:reply_json) do
{
id: [ActivityPub::TagManager.instance.uri_for(sender), 'reply'].join('/'),
type: 'Note',
inReplyTo: object_json[:id],
to: [
'https://www.w3.org/ns/activitystreams#Public',
ActivityPub::TagManager.instance.uri_for(follower),
],
content: '@bob lorem ipsum',
published: Time.now.utc.iso8601,
updated: Time.now.utc.iso8601,
tag: {
type: 'Mention',
href: ActivityPub::TagManager.instance.uri_for(follower),
},
}
end
def activity_for_object(json)
{
'@context': 'https://www.w3.org/ns/activitystreams',
id: [json[:id], 'activity'].join('/'),
type: 'Create',
actor: ActivityPub::TagManager.instance.uri_for(sender),
object: json,
}.with_indifferent_access
end
before do
follower.follow!(sender)
end
around do |example|
Sidekiq::Testing.fake! do
example.run
Sidekiq::Worker.clear_all
end
end
it 'correctly processes posts and inserts them in timelines', :aggregate_failures do
# Simulate a temporary failure preventing from fetching the parent post
stub_request(:get, object_json[:id]).to_return(status: 500)
# When receiving the reply…
described_class.new(activity_for_object(reply_json), sender, delivery: true).perform
# NOTE: Refering explicitly to the workers is a bit awkward
DistributionWorker.drain
FeedInsertWorker.drain
# …it creates a status with an unknown parent
reply = Status.find_by(uri: reply_json[:id])
expect(reply.reply?).to be true
expect(reply.in_reply_to_id).to be_nil
# …and creates a notification
expect(LocalNotificationWorker.jobs.size).to eq 1
# …but does not insert it into timelines
expect(redis.zscore(FeedManager.instance.key(:home, follower.id), reply.id)).to be_nil
# When receiving the parent…
described_class.new(activity_for_object(object_json), sender, delivery: true).perform
Sidekiq::Worker.drain_all
# …it creates a status and insert it into timelines
parent = Status.find_by(uri: object_json[:id])
expect(parent.reply?).to be false
expect(parent.in_reply_to_id).to be_nil
expect(reply.reload.in_reply_to_id).to eq parent.id
# Check that the both statuses have been inserted into the home feed
expect(redis.zscore(FeedManager.instance.key(:home, follower.id), parent.id)).to be_within(0.1).of(parent.id.to_f)
expect(redis.zscore(FeedManager.instance.key(:home, follower.id), reply.id)).to be_within(0.1).of(reply.id.to_f)
# Creates two notifications
expect(Notification.count).to eq 2
end
end
describe '#perform' do
context 'when fetching' do
subject { described_class.new(json, sender) }