# Pleroma: A lightweight social networking server # Copyright © 2017-2022 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.MastodonAPI.InstanceView do use Pleroma.Web, :view alias Pleroma.Config alias Pleroma.Web.ActivityPub.MRF @mastodon_api_level "2.7.2" def render("show.json", _) do instance = Config.get(:instance) %{ uri: Pleroma.Web.Endpoint.url(), title: Keyword.get(instance, :name), description: Keyword.get(instance, :description), version: "#{@mastodon_api_level} (compatible; #{Pleroma.Application.named_version()})", email: Keyword.get(instance, :email), urls: %{ streaming_api: Pleroma.Web.Endpoint.websocket_url() }, stats: Pleroma.Stats.get_stats(), thumbnail: URI.merge(Pleroma.Web.Endpoint.url(), Keyword.get(instance, :instance_thumbnail)) |> to_string, languages: ["en"], registrations: Keyword.get(instance, :registrations_open), approval_required: Keyword.get(instance, :account_approval_required), # Extra (not present in Mastodon): max_toot_chars: Keyword.get(instance, :limit), max_media_attachments: Keyword.get(instance, :max_media_attachments), poll_limits: Keyword.get(instance, :poll_limits), upload_limit: Keyword.get(instance, :upload_limit), avatar_upload_limit: Keyword.get(instance, :avatar_upload_limit), background_upload_limit: Keyword.get(instance, :background_upload_limit), banner_upload_limit: Keyword.get(instance, :banner_upload_limit), background_image: Pleroma.Web.Endpoint.url() <> Keyword.get(instance, :background_image), shout_limit: Config.get([:shout, :limit]), description_limit: Keyword.get(instance, :description_limit), pleroma: %{ metadata: %{ account_activation_required: Keyword.get(instance, :account_activation_required), features: features(), federation: federation(), fields_limits: fields_limits(), post_formats: Config.get([:instance, :allowed_post_formats]), privileged_staff: Config.get([:instance, :privileged_staff]), birthday_required: Config.get([:instance, :birthday_required]), birthday_min_age: Config.get([:instance, :birthday_min_age]) }, stats: %{mau: Pleroma.User.active_user_count()}, vapid_public_key: Keyword.get(Pleroma.Web.Push.vapid_config(), :public_key) } } end def features do [ "pleroma_api", "mastodon_api", "mastodon_api_streaming", "polls", "v2_suggestions", "pleroma_explicit_addressing", "shareable_emoji_packs", "multifetch", "pleroma:api/v1/notifications:include_types_filter", "editing", if Config.get([:activitypub, :blockers_visible]) do "blockers_visible" end, if Config.get([:media_proxy, :enabled]) do "media_proxy" end, if Config.get([:gopher, :enabled]) do "gopher" end, # backwards compat if Config.get([:shout, :enabled]) do "chat" end, if Config.get([:shout, :enabled]) do "shout" end, if Config.get([:instance, :allow_relay]) do "relay" end, if Config.get([:instance, :safe_dm_mentions]) do "safe_dm_mentions" end, "pleroma_emoji_reactions", "pleroma_chat_messages", if Config.get([:instance, :show_reactions]) do "exposable_reactions" end, if Config.get([:instance, :profile_directory]) do "profile_directory" end ] |> Enum.filter(& &1) end def federation do quarantined = Config.get([:instance, :quarantined_instances], []) if Config.get([:mrf, :transparency]) do {:ok, data} = MRF.describe() data |> Map.put( :quarantined_instances, Enum.map(quarantined, fn {instance, _reason} -> instance end) ) # This is for backwards compatibility. We originally didn't sent # extra info like a reason why an instance was rejected/quarantined/etc. # Because we didn't want to break backwards compatibility it was decided # to add an extra "info" key. |> Map.put(:quarantined_instances_info, %{ "quarantined_instances" => quarantined |> Enum.map(fn {instance, reason} -> {instance, %{"reason" => reason}} end) |> Map.new() }) else %{} end |> Map.put(:enabled, Config.get([:instance, :federating])) end def fields_limits do %{ max_fields: Config.get([:instance, :max_account_fields]), max_remote_fields: Config.get([:instance, :max_remote_account_fields]), name_length: Config.get([:instance, :account_field_name_length]), value_length: Config.get([:instance, :account_field_value_length]) } end end