56 lines
1.7 KiB
Elixir
56 lines
1.7 KiB
Elixir
defmodule Pleroma.Web.ActivityPub.Visibility do
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alias Pleroma.Activity
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alias Pleroma.Object
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alias Pleroma.User
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def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false
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def is_public?(%Object{data: data}), do: is_public?(data)
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def is_public?(%Activity{data: data}), do: is_public?(data)
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def is_public?(%{"directMessage" => true}), do: false
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def is_public?(data) do
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"https://www.w3.org/ns/activitystreams#Public" in (data["to"] ++ (data["cc"] || []))
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end
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def is_private?(activity) do
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unless is_public?(activity) do
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follower_address = User.get_cached_by_ap_id(activity.data["actor"]).follower_address
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Enum.any?(activity.data["to"], &(&1 == follower_address))
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else
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false
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end
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end
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def is_direct?(%Activity{data: %{"directMessage" => true}}), do: true
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def is_direct?(%Object{data: %{"directMessage" => true}}), do: true
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def is_direct?(activity) do
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!is_public?(activity) && !is_private?(activity)
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end
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def visible_for_user?(activity, nil) do
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is_public?(activity)
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end
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def visible_for_user?(activity, user) do
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x = [user.ap_id | user.following]
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y = [activity.actor] ++ 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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)
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when is_binary(parent_id) 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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end
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