From 4cec3ad9b887e21875b4db4f4411589726e3ba86 Mon Sep 17 00:00:00 2001 From: Claire Date: Fri, 3 Mar 2023 21:13:55 +0100 Subject: [PATCH] Fix original account being unfollowed on migration before the follow request could be sent (#21957) --- app/services/follow_migration_service.rb | 40 +++++++++++++++++++ .../migrated_follow_delivery_worker.rb | 17 ++++++++ app/workers/unfollow_follow_worker.rb | 8 +--- 3 files changed, 58 insertions(+), 7 deletions(-) create mode 100644 app/services/follow_migration_service.rb create mode 100644 app/workers/activitypub/migrated_follow_delivery_worker.rb diff --git a/app/services/follow_migration_service.rb b/app/services/follow_migration_service.rb new file mode 100644 index 000000000..cfe9093cb --- /dev/null +++ b/app/services/follow_migration_service.rb @@ -0,0 +1,40 @@ +# frozen_string_literal: true + +class FollowMigrationService < FollowService + # Follow an account with the same settings as another account, and unfollow the old account once the request is sent + # @param [Account] source_account From which to follow + # @param [Account] target_account Account to follow + # @param [Account] old_target_account Account to unfollow once the follow request has been sent to the new one + # @option [Boolean] bypass_locked Whether to immediately follow the new account even if it is locked + def call(source_account, target_account, old_target_account, bypass_locked: false) + @old_target_account = old_target_account + + follow = source_account.active_relationships.find_by(target_account: old_target_account) + reblogs = follow&.show_reblogs? + notify = follow&.notify? + languages = follow&.languages + + super(source_account, target_account, reblogs: reblogs, notify: notify, languages: languages, bypass_locked: bypass_locked, bypass_limit: true) + end + + private + + def request_follow! + follow_request = @source_account.request_follow!(@target_account, **follow_options.merge(rate_limit: @options[:with_rate_limit], bypass_limit: @options[:bypass_limit])) + + if @target_account.local? + LocalNotificationWorker.perform_async(@target_account.id, follow_request.id, follow_request.class.name, 'follow_request') + UnfollowService.new.call(@source_account, @old_target_account, skip_unmerge: true) + elsif @target_account.activitypub? + ActivityPub::MigratedFollowDeliveryWorker.perform_async(build_json(follow_request), @source_account.id, @target_account.inbox_url, @old_target_account.id) + end + + follow_request + end + + def direct_follow! + follow = super + UnfollowService.new.call(@source_account, @old_target_account, skip_unmerge: true) + follow + end +end diff --git a/app/workers/activitypub/migrated_follow_delivery_worker.rb b/app/workers/activitypub/migrated_follow_delivery_worker.rb new file mode 100644 index 000000000..17a9e515e --- /dev/null +++ b/app/workers/activitypub/migrated_follow_delivery_worker.rb @@ -0,0 +1,17 @@ +# frozen_string_literal: true + +class ActivityPub::MigratedFollowDeliveryWorker < ActivityPub::DeliveryWorker + def perform(json, source_account_id, inbox_url, old_target_account_id, options = {}) + super(json, source_account_id, inbox_url, options) + unfollow_old_account!(old_target_account_id) + end + + private + + def unfollow_old_account!(old_target_account_id) + old_target_account = Account.find(old_target_account_id) + UnfollowService.new.call(@source_account, old_target_account, skip_unmerge: true) + rescue StandardError + true + end +end diff --git a/app/workers/unfollow_follow_worker.rb b/app/workers/unfollow_follow_worker.rb index 7203b4888..a4d57839d 100644 --- a/app/workers/unfollow_follow_worker.rb +++ b/app/workers/unfollow_follow_worker.rb @@ -10,13 +10,7 @@ class UnfollowFollowWorker old_target_account = Account.find(old_target_account_id) new_target_account = Account.find(new_target_account_id) - follow = follower_account.active_relationships.find_by(target_account: old_target_account) - reblogs = follow&.show_reblogs? - notify = follow&.notify? - languages = follow&.languages - - FollowService.new.call(follower_account, new_target_account, reblogs: reblogs, notify: notify, languages: languages, bypass_locked: bypass_locked, bypass_limit: true) - UnfollowService.new.call(follower_account, old_target_account, skip_unmerge: true) + FollowMigrationService.new.call(follower_account, new_target_account, old_target_account, bypass_locked: bypass_locked) rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError true end