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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Mix.Tasks.Pleroma.Relay do
   6   use Mix.Task
   7   import Mix.Pleroma
   8   alias Pleroma.User
   9   alias Pleroma.Web.ActivityPub.Relay
  10
  11   @shortdoc "Manages remote relays"
  12   @moduledoc """
  13   Manages remote relays
  14
  15   ## Follow a remote relay
  16
  17   ``mix pleroma.relay follow <relay_url>``
  18
  19   Example: ``mix pleroma.relay follow  https://example.org/relay``
  20
  21   ## Unfollow a remote relay
  22
  23   ``mix pleroma.relay unfollow <relay_url>``
  24
  25   Example: ``mix pleroma.relay unfollow https://example.org/relay``
  26
  27   ## List relay subscriptions
  28
  29   ``mix pleroma.relay list``
  30   """
  31   def run(["follow", target]) do
  32     start_pleroma()
  33
  34     with {:ok, _activity} <- Relay.follow(target) do
  35       # put this task to sleep to allow the genserver to push out the messages
  36       :timer.sleep(500)
  37     else
  38       {:error, e} -> shell_error("Error while following #{target}: #{inspect(e)}")
  39     end
  40   end
  41
  42   def run(["unfollow", target]) do
  43     start_pleroma()
  44
  45     with {:ok, _activity} <- Relay.unfollow(target) do
  46       # put this task to sleep to allow the genserver to push out the messages
  47       :timer.sleep(500)
  48     else
  49       {:error, e} -> shell_error("Error while following #{target}: #{inspect(e)}")
  50     end
  51   end
  52
  53   def run(["list"]) do
  54     start_pleroma()
  55
  56     with %User{following: following} = _user <- Relay.get_actor() do
  57       following
  58       |> Enum.map(fn entry -> URI.parse(entry).host end)
  59       |> Enum.uniq()
  60       |> Enum.each(&shell_info(&1))
  61     else
  62       e -> shell_error("Error while fetching relay subscription list: #{inspect(e)}")
  63     end
  64   end
  65 end