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@ -787,4 +787,37 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
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y = activity.data["to"] ++ (activity.data["cc"] || [])
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visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y))
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end
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# guard
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def entire_thread_visible_for_user?(nil, user), do: false
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# child
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def entire_thread_visible_for_user?(
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%Activity{data: %{"object" => %{"inReplyTo" => _parent_id}}} = tail,
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user
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) do
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parent = Activity.get_in_reply_to_activity(tail)
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visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user)
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end
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# root
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def entire_thread_visible_for_user?(tail, user), do: visible_for_user?(tail, user)
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# filter out broken threads
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def contain_broken_threads(%Activity{} = activity, %User{} = user) do
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entire_thread_visible_for_user?(activity, user)
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end
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# do post-processing on a specific activity
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def contain_activity(%Activity{} = activity, %User{} = user) do
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contain_broken_threads(activity, user)
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end
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# do post-processing on a timeline
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def contain_timeline(timeline, user) do
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timeline
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|> Enum.filter(fn activity ->
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contain_activity(activity, user)
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end)
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end
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end
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