forked from asonix/mastodon
* Atomically check for processing lock in Move handler * Prevent race condition when creating account migrations Fixes #15595 * Add tests Co-authored-by: Claire <claire.github-309c@sitedethib.com>
44 lines
1.1 KiB
Ruby
44 lines
1.1 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::Activity::Move < ActivityPub::Activity
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PROCESSING_COOLDOWN = 7.days.seconds
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def perform
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return if origin_account.uri != object_uri
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return unless mark_as_processing!
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target_account = ActivityPub::FetchRemoteAccountService.new.call(target_uri)
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if target_account.nil? || target_account.suspended? || !target_account.also_known_as.include?(origin_account.uri)
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unmark_as_processing!
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return
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end
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# In case for some reason we didn't have a redirect for the profile already, set it
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origin_account.update(moved_to_account: target_account)
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# Initiate a re-follow for each follower
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MoveWorker.perform_async(origin_account.id, target_account.id)
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rescue
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unmark_as_processing!
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raise
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end
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private
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def origin_account
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@account
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end
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def target_uri
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value_or_id(@json['target'])
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end
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def mark_as_processing!
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redis.set("move_in_progress:#{@account.id}", true, nx: true, ex: PROCESSING_COOLDOWN)
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end
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def unmark_as_processing!
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redis.del("move_in_progress:#{@account.id}")
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end
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end
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