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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes do
alias Pleroma.EctoType.ActivityPub.ObjectValidators
alias Pleroma.Object
alias Pleroma.Object.Containment
alias Pleroma.User
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.Utils
def cast_and_filter_recipients(message, field, follower_collection, field_fallback \\ []) do
{:ok, data} = ObjectValidators.Recipients.cast(message[field] || field_fallback)
data =
Enum.reject(data, fn x ->
String.ends_with?(x, "/followers") and x != follower_collection
end)
Map.put(message, field, data)
end
def fix_object_defaults(data) do
%{data: %{"id" => context}, id: context_id} =
Utils.create_context(data["context"] || data["conversation"])
%User{follower_address: follower_collection} = User.get_cached_by_ap_id(data["attributedTo"])
data
|> Map.put("context", context)
|> Map.put("context_id", context_id)
|> cast_and_filter_recipients("to", follower_collection)
|> cast_and_filter_recipients("cc", follower_collection)
|> cast_and_filter_recipients("bto", follower_collection)
|> cast_and_filter_recipients("bcc", follower_collection)
|> Transmogrifier.fix_implicit_addressing(follower_collection)
end
def fix_activity_addressing(activity) do
%User{follower_address: follower_collection} = User.get_cached_by_ap_id(activity["actor"])
activity
|> cast_and_filter_recipients("to", follower_collection)
|> cast_and_filter_recipients("cc", follower_collection)
|> cast_and_filter_recipients("bto", follower_collection)
|> cast_and_filter_recipients("bcc", follower_collection)
|> Transmogrifier.fix_implicit_addressing(follower_collection)
end
def fix_actor(data) do
actor =
data
|> Map.put_new("actor", data["attributedTo"])
|> Containment.get_actor()
data
|> Map.put("actor", actor)
|> Map.put("attributedTo", actor)
end
def fix_activity_context(data, %Object{data: %{"context" => object_context}}) do
data
|> Map.put("context", object_context)
end
def fix_object_action_recipients(%{"actor" => actor} = data, %Object{data: %{"actor" => actor}}) do
to = ((data["to"] || []) -- [actor]) |> Enum.uniq()
Map.put(data, "to", to)
end
def fix_object_action_recipients(data, %Object{data: %{"actor" => actor}}) do
to = ((data["to"] || []) ++ [actor]) |> Enum.uniq()
Map.put(data, "to", to)
end
end
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