diff options
author | Claire <claire.github-309c@sitedethib.com> | 2021-04-21 04:46:09 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2021-04-21 04:46:09 +0200 |
commit | 0b36e3419d4c4ce175f9db266ef5b3a49a9b3974 (patch) | |
tree | 2aa9992c320c0bb23c493e6d1ee84d9bc2589bb4 /app/lib/activitypub/activity/create.rb | |
parent | 2c322addf378d17b3962b545572a43cc9d36e526 (diff) |
Fix processing of remote Delete activities (#16084)
* Add tests * Ensure deleted statuses are marked as such * Save some redis memory by not storing URIs in delete_upon_arrival values * Avoid possible race condition when processing incoming Deletes * Avoid potential duplicate Delete forwards * Lower lock durations to reduce issues in case of hard crash of the Rails process * Check for `lock.aquired?` and improve comment * Refactor RedisLock usage in app/lib/activitypub * Fix using incorrect or non-existent sender for relaying Deletes
Diffstat (limited to 'app/lib/activitypub/activity/create.rb')
-rw-r--r-- | app/lib/activitypub/activity/create.rb | 36 |
1 files changed, 10 insertions, 26 deletions
diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb index 9f6dd9ce0..c7a655d9d 100644 --- a/app/lib/activitypub/activity/create.rb +++ b/app/lib/activitypub/activity/create.rb @@ -45,19 +45,15 @@ class ActivityPub::Activity::Create < ActivityPub::Activity def create_status return reject_payload! if unsupported_object_type? || invalid_origin?(object_uri) || tombstone_exists? || !related_to_local_activity? - RedisLock.acquire(lock_options) do |lock| - if lock.acquired? - return if delete_arrived_first?(object_uri) || poll_vote? # rubocop:disable Lint/NonLocalExitFromIterator + lock_or_fail("create:#{object_uri}") do + return if delete_arrived_first?(object_uri) || poll_vote? # rubocop:disable Lint/NonLocalExitFromIterator - @status = find_existing_status + @status = find_existing_status - if @status.nil? - process_status - elsif @options[:delivered_to_account_id].present? - postprocess_audience_and_deliver - end - else - raise Mastodon::RaceConditionError + if @status.nil? + process_status + elsif @options[:delivered_to_account_id].present? + postprocess_audience_and_deliver end end @@ -313,13 +309,9 @@ class ActivityPub::Activity::Create < ActivityPub::Activity poll = replied_to_status.preloadable_poll already_voted = true - RedisLock.acquire(poll_lock_options) do |lock| - if lock.acquired? - already_voted = poll.votes.where(account: @account).exists? - poll.votes.create!(account: @account, choice: poll.options.index(@object['name']), uri: object_uri) - else - raise Mastodon::RaceConditionError - end + lock_or_fail("vote:#{replied_to_status.poll_id}:#{@account.id}") do + already_voted = poll.votes.where(account: @account).exists? + poll.votes.create!(account: @account, choice: poll.options.index(@object['name']), uri: object_uri) end increment_voters_count! unless already_voted @@ -508,12 +500,4 @@ class ActivityPub::Activity::Create < ActivityPub::Activity poll.reload retry end - - def lock_options - { redis: Redis.current, key: "create:#{object_uri}" } - end - - def poll_lock_options - { redis: Redis.current, key: "vote:#{replied_to_status.poll_id}:#{@account.id}" } - end end |