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Fix to add RedisLock to handle Announce activity (#14365)

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Takeshi Umeda 2020-07-20 18:25:26 +09:00 committed by GitHub
parent 0ab97107c7
commit fcb3f259e5
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@ -4,25 +4,32 @@ class ActivityPub::Activity::Announce < ActivityPub::Activity
def perform
return reject_payload! if delete_arrived_first?(@json['id']) || !related_to_local_activity?
original_status = status_from_object
RedisLock.acquire(lock_options) do |lock|
if lock.acquired?
original_status = status_from_object
return reject_payload! if original_status.nil? || !announceable?(original_status)
return reject_payload! if original_status.nil? || !announceable?(original_status)
status = Status.find_by(account: @account, reblog: original_status)
@status = Status.find_by(account: @account, reblog: original_status)
return status unless status.nil?
return @status unless @status.nil?
status = Status.create!(
account: @account,
reblog: original_status,
uri: @json['id'],
created_at: @json['published'],
override_timestamps: @options[:override_timestamps],
visibility: visibility_from_audience
)
@status = Status.create!(
account: @account,
reblog: original_status,
uri: @json['id'],
created_at: @json['published'],
override_timestamps: @options[:override_timestamps],
visibility: visibility_from_audience
)
distribute(status)
status
distribute(@status)
else
raise Mastodon::RaceConditionError
end
end
@status
end
private
@ -54,4 +61,8 @@ class ActivityPub::Activity::Announce < ActivityPub::Activity
def reblog_of_local_status?
status_from_uri(object_uri)&.account&.local?
end
def lock_options
{ redis: Redis.current, key: "announce:#{@object['id']}" }
end
end