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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Nodeinfo.Nodeinfo do
alias Pleroma.Config
alias Pleroma.Stats
alias Pleroma.User
alias Pleroma.Web.ActivityPub.MRF
alias Pleroma.Web.Federator.Publisher
# returns a nodeinfo 2.0 map, since 2.1 just adds a repository field
# under software.
def get_nodeinfo("2.0") do
stats = Stats.get_stats()
staff_accounts =
User.all_superusers()
|> Enum.map(fn u -> u.ap_id end)
%{
version: "2.0",
software: %{
name: Pleroma.Application.name() |> String.downcase(),
version: Pleroma.Application.version()
},
protocols: Publisher.gather_nodeinfo_protocol_names(),
services: %{
inbound: [],
outbound: []
},
openRegistrations: Config.get([:instance, :registrations_open]),
usage: %{
users: %{
total: Map.get(stats, :user_count, 0)
},
localPosts: Map.get(stats, :status_count, 0)
},
metadata: %{
nodeName: Config.get([:instance, :name]),
nodeDescription: Config.get([:instance, :description]),
private: !Config.get([:instance, :public], true),
suggestions: %{
enabled: false
},
staffAccounts: staff_accounts,
federation: federation(),
pollLimits: Config.get([:instance, :poll_limits]),
postFormats: Config.get([:instance, :allowed_post_formats]),
uploadLimits: %{
general: Config.get([:instance, :upload_limit]),
avatar: Config.get([:instance, :avatar_upload_limit]),
banner: Config.get([:instance, :banner_upload_limit]),
background: Config.get([:instance, :background_upload_limit])
},
fieldsLimits: %{
maxFields: Config.get([:instance, :max_account_fields]),
maxRemoteFields: Config.get([:instance, :max_remote_account_fields]),
nameLength: Config.get([:instance, :account_field_name_length]),
valueLength: Config.get([:instance, :account_field_value_length])
},
accountActivationRequired: Config.get([:instance, :account_activation_required], false),
invitesEnabled: Config.get([:instance, :invites_enabled], false),
mailerEnabled: Config.get([Pleroma.Emails.Mailer, :enabled], false),
features: features(),
restrictedNicknames: Config.get([Pleroma.User, :restricted_nicknames]),
skipThreadContainment: Config.get([:instance, :skip_thread_containment], false)
}
}
end
def get_nodeinfo("2.1") do
raw_response = get_nodeinfo("2.0")
updated_software =
raw_response
|> Map.get(:software)
|> Map.put(:repository, Pleroma.Application.repository())
raw_response
|> Map.put(:software, updated_software)
|> Map.put(:version, "2.1")
end
def get_nodeinfo(_version) do
{:error, :missing}
end
def features do
[
"pleroma_api",
"mastodon_api",
"mastodon_api_streaming",
"polls",
"pleroma_explicit_addressing",
"shareable_emoji_packs",
"multifetch",
"pleroma:api/v1/notifications:include_types_filter",
if Config.get([:media_proxy, :enabled]) do
"media_proxy"
end,
if Config.get([:gopher, :enabled]) do
"gopher"
end,
if Config.get([:chat, :enabled]) do
"chat"
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"
]
|> 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.merge(%{quarantined_instances: quarantined})
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
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