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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 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         },
  40         localPosts: Map.get(stats, :status_count, 0)
  41       },
  42       metadata: %{
  43         nodeName: Config.get([:instance, :name]),
  44         nodeDescription: Config.get([:instance, :description]),
  45         private: !Config.get([:instance, :public], true),
  46         suggestions: %{
  47           enabled: false
  48         },
  49         staffAccounts: staff_accounts,
  50         federation: federation,
  51         pollLimits: Config.get([:instance, :poll_limits]),
  52         postFormats: Config.get([:instance, :allowed_post_formats]),
  53         uploadLimits: %{
  54           general: Config.get([:instance, :upload_limit]),
  55           avatar: Config.get([:instance, :avatar_upload_limit]),
  56           banner: Config.get([:instance, :banner_upload_limit]),
  57           background: Config.get([:instance, :background_upload_limit])
  58         },
  59         fieldsLimits: %{
  60           maxFields: Config.get([:instance, :max_account_fields]),
  61           maxRemoteFields: Config.get([:instance, :max_remote_account_fields]),
  62           nameLength: Config.get([:instance, :account_field_name_length]),
  63           valueLength: Config.get([:instance, :account_field_value_length])
  64         },
  65         accountActivationRequired: Config.get([:instance, :account_activation_required], false),
  66         invitesEnabled: Config.get([:instance, :invites_enabled], false),
  67         mailerEnabled: Config.get([Pleroma.Emails.Mailer, :enabled], false),
  68         features: features,
  69         restrictedNicknames: Config.get([Pleroma.User, :restricted_nicknames]),
  70         skipThreadContainment: Config.get([:instance, :skip_thread_containment], false)
  71       }
  72     }
  73   end
  74
  75   def get_nodeinfo("2.1") do
  76     raw_response = get_nodeinfo("2.0")
  77
  78     updated_software =
  79       raw_response
  80       |> Map.get(:software)
  81       |> Map.put(:repository, Pleroma.Application.repository())
  82
  83     raw_response
  84     |> Map.put(:software, updated_software)
  85     |> Map.put(:version, "2.1")
  86   end
  87
  88   def get_nodeinfo(_version) do
  89     {:error, :missing}
  90   end
  91 end