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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Nodeinfo.Nodeinfo do
   6   alias Pleroma.Config
   7   alias Pleroma.Stats
   8   alias Pleroma.User
   9   alias Pleroma.Web.Federator.Publisher
  10   alias Pleroma.Web.MastodonAPI.InstanceView
  11
  12   # returns a nodeinfo 2.0 map, since 2.1 just adds a repository field
  13   # under software.
  14   def get_nodeinfo("2.0") do
  15     stats = Stats.get_stats()
  16
  17     staff_accounts =
  18       User.all_superusers()
  19       |> Enum.map(fn u -> u.ap_id end)
  20
  21     federation = InstanceView.federation()
  22     features = InstanceView.features()
  23
  24     %{
  25       version: "2.0",
  26       software: %{
  27         name: Pleroma.Application.name() |> String.downcase(),
  28         version: Pleroma.Application.version()
  29       },
  30       protocols: Publisher.gather_nodeinfo_protocol_names(),
  31       services: %{
  32         inbound: [],
  33         outbound: []
  34       },
  35       openRegistrations: Config.get([:instance, :registrations_open]),
  36       usage: %{
  37         users: %{
  38           total: Map.get(stats, :user_count, 0),
  39           activeMonth: Pleroma.User.active_user_count(30),
  40           activeHalfyear: Pleroma.User.active_user_count(180)
  41         },
  42         localPosts: Map.get(stats, :status_count, 0)
  43       },
  44       metadata: %{
  45         nodeName: Config.get([:instance, :name]),
  46         nodeDescription: Config.get([:instance, :description]),
  47         private: !Config.get([:instance, :public], true),
  48         suggestions: %{
  49           enabled: false
  50         },
  51         staffAccounts: staff_accounts,
  52         federation: federation,
  53         pollLimits: Config.get([:instance, :poll_limits]),
  54         postFormats: Config.get([:instance, :allowed_post_formats]),
  55         uploadLimits: %{
  56           general: Config.get([:instance, :upload_limit]),
  57           avatar: Config.get([:instance, :avatar_upload_limit]),
  58           banner: Config.get([:instance, :banner_upload_limit]),
  59           background: Config.get([:instance, :background_upload_limit])
  60         },
  61         fieldsLimits: %{
  62           maxFields: Config.get([:instance, :max_account_fields]),
  63           maxRemoteFields: Config.get([:instance, :max_remote_account_fields]),
  64           nameLength: Config.get([:instance, :account_field_name_length]),
  65           valueLength: Config.get([:instance, :account_field_value_length])
  66         },
  67         accountActivationRequired: Config.get([:instance, :account_activation_required], false),
  68         invitesEnabled: Config.get([:instance, :invites_enabled], false),
  69         mailerEnabled: Config.get([Pleroma.Emails.Mailer, :enabled], false),
  70         features: features,
  71         restrictedNicknames: Config.get([Pleroma.User, :restricted_nicknames]),
  72         skipThreadContainment: Config.get([:instance, :skip_thread_containment], false),
  73         privilegedStaff: Config.get([:instance, :privileged_staff]),
  74         localBubbleInstances: Config.get([:instance, :local_bubble], []),
  75         publicTimelineVisibility: %{
  76           federated: !Config.restrict_unauthenticated_access?(:timelines, :federated),
  77           local: !Config.restrict_unauthenticated_access?(:timelines, :local)
  78         }
  79       }
  80     }
  81   end
  82
  83   def get_nodeinfo("2.1") do
  84     raw_response = get_nodeinfo("2.0")
  85
  86     updated_software =
  87       raw_response
  88       |> Map.get(:software)
  89       |> Map.put(:repository, Pleroma.Application.repository())
  90
  91     raw_response
  92     |> Map.put(:software, updated_software)
  93     |> Map.put(:version, "2.1")
  94   end
  95
  96   def get_nodeinfo(_version) do
  97     {:error, :missing}
  98   end
  99 end