Pleroma/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex

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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
use Pleroma.Web, :controller
alias Pleroma.Stats
alias Pleroma.Web
alias Pleroma.{User, Repo}
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alias Pleroma.Config
alias Pleroma.Web.ActivityPub.MRF
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plug(Pleroma.Web.FederatingPlug)
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def schemas(conn, _params) do
response = %{
links: [
%{
rel: "http://nodeinfo.diaspora.software/ns/schema/2.0",
href: Web.base_url() <> "/nodeinfo/2.0.json"
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}
]
}
json(conn, response)
end
# Schema definition: https://github.com/jhass/nodeinfo/blob/master/schemas/2.0/schema.json
def nodeinfo(conn, %{"version" => "2.0"}) do
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instance = Application.get_env(:pleroma, :instance)
media_proxy = Application.get_env(:pleroma, :media_proxy)
suggestions = Application.get_env(:pleroma, :suggestions)
chat = Application.get_env(:pleroma, :chat)
gopher = Application.get_env(:pleroma, :gopher)
stats = Stats.get_stats()
mrf_simple =
Application.get_env(:pleroma, :mrf_simple)
|> Enum.into(%{})
mrf_policies =
MRF.get_policies()
|> Enum.map(fn policy -> to_string(policy) |> String.split(".") |> List.last() end)
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quarantined = Keyword.get(instance, :quarantined_instances)
quarantined =
if is_list(quarantined) do
quarantined
else
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[]
end
staff_accounts =
User.moderator_user_query()
|> Repo.all()
|> Enum.map(fn u -> u.ap_id end)
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mrf_user_allowlist =
Config.get([:mrf_user_allowlist], [])
|> Enum.into(%{}, fn {k, v} -> {k, length(v)} end)
mrf_transparency = Keyword.get(instance, :mrf_transparency)
federation_response =
if mrf_transparency do
%{
mrf_policies: mrf_policies,
mrf_simple: mrf_simple,
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mrf_user_allowlist: mrf_user_allowlist,
quarantined_instances: quarantined
}
else
%{}
end
features =
[
"pleroma_api",
"mastodon_api",
"mastodon_api_streaming",
if Keyword.get(media_proxy, :enabled) do
"media_proxy"
end,
if Keyword.get(gopher, :enabled) do
"gopher"
end,
if Keyword.get(chat, :enabled) do
"chat"
end,
if Keyword.get(suggestions, :enabled) do
"suggestions"
end,
if Keyword.get(instance, :allow_relay) do
"relay"
end
]
|> Enum.filter(& &1)
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response = %{
version: "2.0",
software: %{
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name: Pleroma.Application.name(),
version: Pleroma.Application.version()
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},
protocols: ["ostatus", "activitypub"],
services: %{
inbound: [],
outbound: []
},
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openRegistrations: Keyword.get(instance, :registrations_open),
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usage: %{
users: %{
total: stats.user_count || 0
},
localPosts: stats.status_count || 0
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},
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metadata: %{
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nodeName: Keyword.get(instance, :name),
nodeDescription: Keyword.get(instance, :description),
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private: !Keyword.get(instance, :public, true),
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suggestions: %{
enabled: Keyword.get(suggestions, :enabled, false),
thirdPartyEngine: Keyword.get(suggestions, :third_party_engine, ""),
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timeout: Keyword.get(suggestions, :timeout, 5000),
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limit: Keyword.get(suggestions, :limit, 23),
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web: Keyword.get(suggestions, :web, "")
},
staffAccounts: staff_accounts,
federation: federation_response,
postFormats: Keyword.get(instance, :allowed_post_formats),
uploadLimits: %{
general: Keyword.get(instance, :upload_limit),
avatar: Keyword.get(instance, :avatar_upload_limit),
banner: Keyword.get(instance, :banner_upload_limit),
background: Keyword.get(instance, :background_upload_limit)
},
accountActivationRequired: Keyword.get(instance, :account_activation_required, false),
invitesEnabled: Keyword.get(instance, :invites_enabled, false),
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features: features,
restrictedNicknames: Pleroma.Config.get([Pleroma.User, :restricted_nicknames])
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}
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}
conn
|> put_resp_header(
"content-type",
"application/json; profile=http://nodeinfo.diaspora.software/ns/schema/2.0#; charset=utf-8"
)
|> json(response)
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end
def nodeinfo(conn, _) do
conn
|> put_status(404)
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|> json(%{error: "Nodeinfo schema version not handled"})
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end
end