forked from AkkomaGang/akkoma
98 lines
2.8 KiB
Elixir
98 lines
2.8 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.Relay do
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alias Pleroma.Activity
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Visibility
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alias Pleroma.Web.CommonAPI
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require Logger
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@relay_nickname "relay"
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def get_actor do
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actor =
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relay_ap_id()
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|> User.get_or_create_service_actor_by_ap_id(@relay_nickname)
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actor
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end
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def relay_ap_id do
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"#{Pleroma.Web.Endpoint.url()}/relay"
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end
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@spec follow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
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def follow(target_instance) do
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with %User{} = local_user <- get_actor(),
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{:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance),
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{:ok, _, _, activity} <- CommonAPI.follow(local_user, target_user) do
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Logger.info("relay: followed instance: #{target_instance}; id=#{activity.data["id"]}")
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{:ok, activity}
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else
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error -> format_error(error)
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end
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end
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@spec unfollow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
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def unfollow(target_instance) do
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with %User{} = local_user <- get_actor(),
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{:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance),
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{:ok, activity} <- ActivityPub.unfollow(local_user, target_user) do
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User.unfollow(local_user, target_user)
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Logger.info("relay: unfollowed instance: #{target_instance}: id=#{activity.data["id"]}")
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{:ok, activity}
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else
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error -> format_error(error)
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end
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end
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@spec publish(any()) :: {:ok, Activity.t()} | {:error, any()}
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def publish(%Activity{data: %{"type" => "Create"}} = activity) do
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with %User{} = user <- get_actor(),
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true <- Visibility.is_public?(activity) do
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CommonAPI.repeat(activity.id, user)
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else
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error -> format_error(error)
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end
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end
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def publish(_), do: {:error, "Not implemented"}
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@spec list(boolean()) :: {:ok, [String.t()]} | {:error, any()}
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def list(with_not_accepted \\ false) do
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with %User{} = user <- get_actor() do
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accepted =
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user
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|> User.following()
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|> Enum.map(fn entry -> URI.parse(entry).host end)
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|> Enum.uniq()
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list =
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if with_not_accepted do
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without_accept =
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user
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|> Pleroma.Activity.following_requests_for_actor()
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|> Enum.map(fn a -> URI.parse(a.data["object"]).host <> " (no Accept received)" end)
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|> Enum.uniq()
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accepted ++ without_accept
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else
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accepted
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end
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{:ok, list}
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else
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error -> format_error(error)
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end
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end
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defp format_error({:error, error}), do: format_error(error)
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defp format_error(error) do
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Logger.error("error: #{inspect(error)}")
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{:error, error}
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end
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end
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