From 0f938ff29c2e9bf92e3eb9c23be8d4ba3a1b97f7 Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Sat, 29 Dec 2018 02:24:36 +0100 Subject: [PATCH] Add handler for Move activity (#9629) --- app/lib/activitypub/activity.rb | 2 + app/lib/activitypub/activity/follow.rb | 2 +- app/lib/activitypub/activity/move.rb | 43 +++++++++++++++ app/lib/activitypub/adapter.rb | 1 + app/models/account.rb | 5 ++ .../activitypub/actor_serializer.rb | 5 ++ .../activitypub/process_account_service.rb | 1 + app/services/follow_service.rb | 2 +- app/workers/unfollow_follow_worker.rb | 18 +++++++ ...226021420_add_also_known_as_to_accounts.rb | 5 ++ db/schema.rb | 3 +- spec/lib/activitypub/activity/move_spec.rb | 52 +++++++++++++++++++ 12 files changed, 136 insertions(+), 3 deletions(-) create mode 100644 app/lib/activitypub/activity/move.rb create mode 100644 app/workers/unfollow_follow_worker.rb create mode 100644 db/migrate/20181226021420_add_also_known_as_to_accounts.rb create mode 100644 spec/lib/activitypub/activity/move_spec.rb diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb index 0a729011f..87318fb1c 100644 --- a/app/lib/activitypub/activity.rb +++ b/app/lib/activitypub/activity.rb @@ -50,6 +50,8 @@ class ActivityPub::Activity ActivityPub::Activity::Add when 'Remove' ActivityPub::Activity::Remove + when 'Move' + ActivityPub::Activity::Move end end end diff --git a/app/lib/activitypub/activity/follow.rb b/app/lib/activitypub/activity/follow.rb index c45832648..7ca650fdf 100644 --- a/app/lib/activitypub/activity/follow.rb +++ b/app/lib/activitypub/activity/follow.rb @@ -6,7 +6,7 @@ class ActivityPub::Activity::Follow < ActivityPub::Activity return if target_account.nil? || !target_account.local? || delete_arrived_first?(@json['id']) || @account.requested?(target_account) - if target_account.blocking?(@account) || target_account.domain_blocking?(@account.domain) + if target_account.blocking?(@account) || target_account.domain_blocking?(@account.domain) || target_account.moved? reject_follow_request!(target_account) return end diff --git a/app/lib/activitypub/activity/move.rb b/app/lib/activitypub/activity/move.rb new file mode 100644 index 000000000..d7a5f595c --- /dev/null +++ b/app/lib/activitypub/activity/move.rb @@ -0,0 +1,43 @@ +# frozen_string_literal: true + +class ActivityPub::Activity::Move < ActivityPub::Activity + PROCESSING_COOLDOWN = 7.days.seconds + + def perform + return if origin_account.uri != object_uri || processed? + + mark_as_processing! + + target_account = ActivityPub::FetchRemoteAccountService.new.call(target_uri) + + return if target_account.nil? || !target_account.also_known_as.include?(origin_account.uri) + + # In case for some reason we didn't have a redirect for the profile already, set it + origin_account.update(moved_to_account: target_account) if origin_account.moved_to_account_id.nil? + + # Initiate a re-follow for each follower + origin_account.followers.local.select(:id).find_in_batches do |follower_accounts| + UnfollowFollowWorker.push_bulk(follower_accounts.map(&:id)) do |follower_account_id| + [follower_account_id, origin_account.id, target_account.id] + end + end + end + + private + + def origin_account + @account + end + + def target_uri + value_or_id(@json['target']) + end + + def processed? + redis.exists("move_in_progress:#{@account.id}") + end + + def mark_as_processing! + redis.setex("move_in_progress:#{@account.id}", PROCESSING_COOLDOWN, true) + end +end diff --git a/app/lib/activitypub/adapter.rb b/app/lib/activitypub/adapter.rb index d35cae889..99f4d9305 100644 --- a/app/lib/activitypub/adapter.rb +++ b/app/lib/activitypub/adapter.rb @@ -10,6 +10,7 @@ class ActivityPub::Adapter < ActiveModelSerializers::Adapter::Base 'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers', 'sensitive' => 'as:sensitive', 'movedTo' => { '@id' => 'as:movedTo', '@type' => '@id' }, + 'alsoKnownAs' => { '@id' => 'as:alsoKnownAs', '@type' => '@id' }, 'Hashtag' => 'as:Hashtag', 'ostatus' => 'http://ostatus.org#', 'atomUri' => 'ostatus:atomUri', diff --git a/app/models/account.rb b/app/models/account.rb index 66f02b27d..f354bc29b 100644 --- a/app/models/account.rb +++ b/app/models/account.rb @@ -44,6 +44,7 @@ # fields :jsonb # actor_type :string # discoverable :boolean +# also_known_as :string is an Array # class Account < ApplicationRecord @@ -227,6 +228,10 @@ class Account < ApplicationRecord end end + def also_known_as + self[:also_known_as] || [] + end + def fields (self[:fields] || []).map { |f| Field.new(self, f) } end diff --git a/app/serializers/activitypub/actor_serializer.rb b/app/serializers/activitypub/actor_serializer.rb index 72c30dc73..6746c1782 100644 --- a/app/serializers/activitypub/actor_serializer.rb +++ b/app/serializers/activitypub/actor_serializer.rb @@ -14,6 +14,7 @@ class ActivityPub::ActorSerializer < ActiveModel::Serializer has_many :virtual_attachments, key: :attachment attribute :moved_to, if: :moved? + attribute :also_known_as, if: :also_known_as? class EndpointsSerializer < ActiveModel::Serializer include RoutingHelper @@ -116,6 +117,10 @@ class ActivityPub::ActorSerializer < ActiveModel::Serializer ActivityPub::TagManager.instance.uri_for(object.moved_to_account) end + def also_known_as? + !object.also_known_as.empty? + end + class CustomEmojiSerializer < ActivityPub::EmojiSerializer end diff --git a/app/services/activitypub/process_account_service.rb b/app/services/activitypub/process_account_service.rb index 5c865dae2..d6480028f 100644 --- a/app/services/activitypub/process_account_service.rb +++ b/app/services/activitypub/process_account_service.rb @@ -75,6 +75,7 @@ class ActivityPub::ProcessAccountService < BaseService @account.note = @json['summary'] || '' @account.locked = @json['manuallyApprovesFollowers'] || false @account.fields = property_values || {} + @account.also_known_as = as_array(@json['alsoKnownAs'] || []).map { |item| value_or_id(item) } @account.actor_type = actor_type end diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb index 0020bc9fe..862926260 100644 --- a/app/services/follow_service.rb +++ b/app/services/follow_service.rb @@ -12,7 +12,7 @@ class FollowService < BaseService target_account = ResolveAccountService.new.call(target_account, skip_webfinger: true) raise ActiveRecord::RecordNotFound if target_account.nil? || target_account.id == source_account.id || target_account.suspended? - raise Mastodon::NotPermittedError if target_account.blocking?(source_account) || source_account.blocking?(target_account) + raise Mastodon::NotPermittedError if target_account.blocking?(source_account) || source_account.blocking?(target_account) || target_account.moved? if source_account.following?(target_account) # We're already following this account, but we'll call follow! again to diff --git a/app/workers/unfollow_follow_worker.rb b/app/workers/unfollow_follow_worker.rb new file mode 100644 index 000000000..a2133bb8c --- /dev/null +++ b/app/workers/unfollow_follow_worker.rb @@ -0,0 +1,18 @@ +# frozen_string_literal: true + +class UnfollowFollowWorker + include Sidekiq::Worker + + sidekiq_options queue: 'pull' + + def perform(follower_account_id, old_target_account_id, new_target_account_id) + follower_account = Account.find(follower_account_id) + old_target_account = Account.find(old_target_account_id) + new_target_account = Account.find(new_target_account_id) + + UnfollowService.new.call(follower_account, old_target_account) + FollowService.new.call(follower_account, new_target_account) + rescue ActiveRecord::RecordNotFound + true + end +end diff --git a/db/migrate/20181226021420_add_also_known_as_to_accounts.rb b/db/migrate/20181226021420_add_also_known_as_to_accounts.rb new file mode 100644 index 000000000..1fd956680 --- /dev/null +++ b/db/migrate/20181226021420_add_also_known_as_to_accounts.rb @@ -0,0 +1,5 @@ +class AddAlsoKnownAsToAccounts < ActiveRecord::Migration[5.2] + def change + add_column :accounts, :also_known_as, :string, array: true + end +end diff --git a/db/schema.rb b/db/schema.rb index e47960b16..066a90b52 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -10,7 +10,7 @@ # # It's strongly recommended that you check this file into your version control system. -ActiveRecord::Schema.define(version: 2018_12_19_235220) do +ActiveRecord::Schema.define(version: 2018_12_26_021420) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" @@ -134,6 +134,7 @@ ActiveRecord::Schema.define(version: 2018_12_19_235220) do t.jsonb "fields" t.string "actor_type" t.boolean "discoverable" + t.string "also_known_as", array: true t.index "(((setweight(to_tsvector('simple'::regconfig, (display_name)::text), 'A'::\"char\") || setweight(to_tsvector('simple'::regconfig, (username)::text), 'B'::\"char\")) || setweight(to_tsvector('simple'::regconfig, (COALESCE(domain, ''::character varying))::text), 'C'::\"char\")))", name: "search_index", using: :gin t.index "lower((username)::text), lower((domain)::text)", name: "index_accounts_on_username_and_domain_lower", unique: true t.index ["moved_to_account_id"], name: "index_accounts_on_moved_to_account_id" diff --git a/spec/lib/activitypub/activity/move_spec.rb b/spec/lib/activitypub/activity/move_spec.rb new file mode 100644 index 000000000..3574f273a --- /dev/null +++ b/spec/lib/activitypub/activity/move_spec.rb @@ -0,0 +1,52 @@ +require 'rails_helper' + +RSpec.describe ActivityPub::Activity::Move do + let(:follower) { Fabricate(:account) } + let(:old_account) { Fabricate(:account) } + let(:new_account) { Fabricate(:account) } + + before do + follower.follow!(old_account) + + old_account.update!(uri: 'https://example.org/alice', domain: 'example.org', protocol: :activitypub, inbox_url: 'https://example.org/inbox') + new_account.update!(uri: 'https://example.com/alice', domain: 'example.com', protocol: :activitypub, inbox_url: 'https://example.com/inbox', also_known_as: [old_account.uri]) + + stub_request(:post, 'https://example.org/inbox').to_return(status: 200) + stub_request(:post, 'https://example.com/inbox').to_return(status: 200) + + service_stub = double + allow(ActivityPub::FetchRemoteAccountService).to receive(:new).and_return(service_stub) + allow(service_stub).to receive(:call).and_return(new_account) + end + + let(:json) do + { + '@context': 'https://www.w3.org/ns/activitystreams', + id: 'foo', + type: 'Move', + actor: old_account.uri, + object: old_account.uri, + target: new_account.uri, + }.with_indifferent_access + end + + describe '#perform' do + subject { described_class.new(json, old_account) } + + before do + subject.perform + end + + it 'sets moved account on old account' do + expect(old_account.reload.moved_to_account_id).to eq new_account.id + end + + it 'makes followers unfollow old account' do + expect(follower.following?(old_account)).to be false + end + + it 'makes followers follow-request the new account' do + expect(follower.requested?(new_account)).to be true + end + end +end