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@@ -0,0 +1,65 @@ |
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defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do |
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alias Pleroma.User |
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@mrf_policy Application.get_env(:pleroma, :mrf_simple) |
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@reject Keyword.get(@mrf_policy, :reject) |
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defp check_reject(actor_info, object) do |
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if actor_info.host in @reject do |
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{:reject, nil} |
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else |
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{:ok, object} |
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end |
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end |
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@media_removal Keyword.get(@mrf_policy, :media_removal) |
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defp check_media_removal(actor_info, object) do |
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if actor_info.host in @media_removal do |
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object = Map.delete(object, "attachments") |
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end |
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{:ok, object} |
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end |
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@media_nsfw Keyword.get(@mrf_policy, :media_nsfw) |
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defp check_media_nsfw(actor_info, object) do |
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if actor_info.host in @media_nsfw and object["attachment"] != nil and length(object["attachment"]) > 0 do |
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tags = (object["tag"] || []) ++ ["nsfw"] |
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object = Map.put(object, "tags", tags) |
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object = Map.put(object, "sensitive", true) |
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end |
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{:ok, object} |
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end |
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@ftl_removal Keyword.get(@mrf_policy, :federated_timeline_removal) |
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defp check_ftl_removal(actor_info, object) do |
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if actor_info.host in @ftl_removal do |
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user = User.get_by_ap_id(object["actor"]) |
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# flip to/cc relationship to make the post unlisted |
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if "https://www.w3.org/ns/activitystreams#Public" in object["to"] and user.follower_address in object["cc"] do |
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to = List.delete(object["to"], "https://www.w3.org/ns/activitystreams#Public") ++ [user.follower_address] |
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cc = List.delete(object["cc"], user.follower_address) ++ ["https://www.w3.org/ns/activitystreams#Public"] |
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object = Map.put(object, "to", to) |
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object = Map.put(object, "cc", cc) |
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end |
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end |
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{:ok, object} |
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end |
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def filter(object) do |
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actor_info = URI.parse(object["actor"]) |
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with {:ok, object} <- check_reject(actor_info, object), |
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{:ok, object} <- check_media_removal(actor_info, object), |
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{:ok, object} <- check_media_nsfw(actor_info, object), |
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{:ok, object} <- check_ftl_removal(actor_info, object) do |
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{:ok, object} |
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else |
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e -> {:reject, nil} |
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end |
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end |
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end |