Git of dcc - anni/blob - lib/pleroma/web/mastodon_api/views/instance_view.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.MastodonAPI.InstanceView do
   6   use Pleroma.Web, :view
   7
   8   alias Pleroma.Config
   9   alias Pleroma.Web.ActivityPub.MRF
  10
  11   @mastodon_api_level "2.7.2"
  12
  13   def render("show.json", _) do
  14     instance = Config.get(:instance)
  15
  16     %{
  17       uri: Pleroma.Web.Endpoint.url(),
  18       title: Keyword.get(instance, :name),
  19       description: Keyword.get(instance, :description),
  20       short_description: Keyword.get(instance, :short_description),
  21       version: "#{@mastodon_api_level} (compatible; #{Pleroma.Application.named_version()})",
  22       email: Keyword.get(instance, :email),
  23       urls: %{
  24         streaming_api: Pleroma.Web.Endpoint.websocket_url()
  25       },
  26       stats: Pleroma.Stats.get_stats(),
  27       thumbnail:
  28         URI.merge(Pleroma.Web.Endpoint.url(), Keyword.get(instance, :instance_thumbnail))
  29         |> to_string,
  30       languages: Keyword.get(instance, :languages, ["en"]),
  31       registrations: Keyword.get(instance, :registrations_open),
  32       approval_required: Keyword.get(instance, :account_approval_required),
  33       # Extra (not present in Mastodon):
  34       max_toot_chars: Keyword.get(instance, :limit),
  35       max_media_attachments: Keyword.get(instance, :max_media_attachments),
  36       poll_limits: Keyword.get(instance, :poll_limits),
  37       upload_limit: Keyword.get(instance, :upload_limit),
  38       avatar_upload_limit: Keyword.get(instance, :avatar_upload_limit),
  39       background_upload_limit: Keyword.get(instance, :background_upload_limit),
  40       banner_upload_limit: Keyword.get(instance, :banner_upload_limit),
  41       background_image: Pleroma.Web.Endpoint.url() <> Keyword.get(instance, :background_image),
  42       shout_limit: Config.get([:shout, :limit]),
  43       description_limit: Keyword.get(instance, :description_limit),
  44       pleroma: %{
  45         metadata: %{
  46           account_activation_required: Keyword.get(instance, :account_activation_required),
  47           features: features(),
  48           federation: federation(),
  49           fields_limits: fields_limits(),
  50           post_formats: Config.get([:instance, :allowed_post_formats]),
  51           birthday_required: Config.get([:instance, :birthday_required]),
  52           birthday_min_age: Config.get([:instance, :birthday_min_age])
  53         },
  54         stats: %{mau: Pleroma.User.active_user_count()},
  55         vapid_public_key: Keyword.get(Pleroma.Web.Push.vapid_config(), :public_key)
  56       }
  57     }
  58   end
  59
  60   def features do
  61     [
  62       "pleroma_api",
  63       "mastodon_api",
  64       "mastodon_api_streaming",
  65       "polls",
  66       "v2_suggestions",
  67       "pleroma_explicit_addressing",
  68       "shareable_emoji_packs",
  69       "multifetch",
  70       "pleroma:api/v1/notifications:include_types_filter",
  71       "editing",
  72       if Config.get([:activitypub, :blockers_visible]) do
  73         "blockers_visible"
  74       end,
  75       if Config.get([:media_proxy, :enabled]) do
  76         "media_proxy"
  77       end,
  78       if Config.get([:gopher, :enabled]) do
  79         "gopher"
  80       end,
  81       # backwards compat
  82       if Config.get([:shout, :enabled]) do
  83         "chat"
  84       end,
  85       if Config.get([:shout, :enabled]) do
  86         "shout"
  87       end,
  88       if Config.get([:instance, :allow_relay]) do
  89         "relay"
  90       end,
  91       if Config.get([:instance, :safe_dm_mentions]) do
  92         "safe_dm_mentions"
  93       end,
  94       "pleroma_emoji_reactions",
  95       "pleroma_chat_messages",
  96       if Config.get([:instance, :show_reactions]) do
  97         "exposable_reactions"
  98       end,
  99       if Config.get([:instance, :profile_directory]) do
 100         "profile_directory"
 101       end,
 102       "pleroma:get:main/ostatus"
 103     ]
 104     |> Enum.filter(& &1)
 105   end
 106
 107   def federation do
 108     quarantined = Config.get([:instance, :quarantined_instances], [])
 109
 110     if Config.get([:mrf, :transparency]) do
 111       {:ok, data} = MRF.describe()
 112
 113       data
 114       |> Map.put(
 115         :quarantined_instances,
 116         Enum.map(quarantined, fn {instance, _reason} -> instance end)
 117       )
 118       # This is for backwards compatibility. We originally didn't sent
 119       # extra info like a reason why an instance was rejected/quarantined/etc.
 120       # Because we didn't want to break backwards compatibility it was decided
 121       # to add an extra "info" key.
 122       |> Map.put(:quarantined_instances_info, %{
 123         "quarantined_instances" =>
 124           quarantined
 125           |> Enum.map(fn {instance, reason} -> {instance, %{"reason" => reason}} end)
 126           |> Map.new()
 127       })
 128     else
 129       %{}
 130     end
 131     |> Map.put(:enabled, Config.get([:instance, :federating]))
 132   end
 133
 134   def fields_limits do
 135     %{
 136       max_fields: Config.get([:instance, :max_account_fields]),
 137       max_remote_fields: Config.get([:instance, :max_remote_account_fields]),
 138       name_length: Config.get([:instance, :account_field_name_length]),
 139       value_length: Config.get([:instance, :account_field_value_length])
 140     }
 141   end
 142 end