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
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alias Pleroma.Config
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alias Pleroma.Stats
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alias Pleroma.User
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alias Pleroma.Web
alias Pleroma.Web.ActivityPub.MRF
alias Pleroma.Web.Federator.Publisher
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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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%{
rel: "http://nodeinfo.diaspora.software/ns/schema/2.1",
href: Web.base_url() <> "/nodeinfo/2.1.json"
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}
]
}
json(conn, response)
end
# returns a nodeinfo 2.0 map, since 2.1 just adds a repository field
# under software.
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def raw_nodeinfo do
stats = Stats.get_stats()
exclusions = Config.get([:instance, :mrf_transparency_exclusions])
mrf_simple =
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Config.get(:mrf_simple)
|> Enum.map(fn {k, v} -> {k, Enum.reject(v, fn v -> v in exclusions end)} end)
|> Enum.into(%{})
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# This horror is needed to convert regex sigils to strings
mrf_keyword =
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Config.get(:mrf_keyword, [])
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|> Enum.map(fn {key, value} ->
{key,
Enum.map(value, fn
{pattern, replacement} ->
%{
"pattern" =>
if not is_binary(pattern) do
inspect(pattern)
else
pattern
end,
"replacement" => replacement
}
pattern ->
if not is_binary(pattern) do
inspect(pattern)
else
pattern
end
end)}
end)
|> Enum.into(%{})
mrf_policies =
MRF.get_policies()
|> Enum.map(fn policy -> to_string(policy) |> String.split(".") |> List.last() end)
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quarantined = Config.get([:instance, :quarantined_instances], [])
staff_accounts =
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User.all_superusers()
|> 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)
federation_response =
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if Config.get([:instance, :mrf_transparency]) do
%{
mrf_policies: mrf_policies,
mrf_simple: mrf_simple,
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mrf_keyword: mrf_keyword,
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mrf_user_allowlist: mrf_user_allowlist,
quarantined_instances: quarantined,
exclusions: length(exclusions) > 0
}
else
%{}
end
features =
[
"pleroma_api",
"mastodon_api",
"mastodon_api_streaming",
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"polls",
"pleroma_explicit_addressing",
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if Config.get([:media_proxy, :enabled]) do
"media_proxy"
end,
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if Config.get([:gopher, :enabled]) do
"gopher"
end,
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if Config.get([:chat, :enabled]) do
"chat"
end,
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if Config.get([:suggestions, :enabled]) do
"suggestions"
end,
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if Config.get([:instance, :allow_relay]) do
"relay"
end,
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if Config.get([:instance, :safe_dm_mentions]) do
"safe_dm_mentions"
end
]
|> Enum.filter(& &1)
%{
version: "2.0",
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software: %{
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name: Pleroma.Application.name() |> String.downcase(),
version: Pleroma.Application.version()
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},
protocols: Publisher.gather_nodeinfo_protocol_names(),
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services: %{
inbound: [],
outbound: []
},
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openRegistrations: Config.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: Config.get([:instance, :name]),
nodeDescription: Config.get([:instance, :description]),
private: !Config.get([:instance, :public], true),
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suggestions: %{
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enabled: Config.get([:suggestions, :enabled], false),
thirdPartyEngine: Config.get([:suggestions, :third_party_engine], ""),
timeout: Config.get([:suggestions, :timeout], 5000),
limit: Config.get([:suggestions, :limit], 23),
web: Config.get([:suggestions, :web], "")
},
staffAccounts: staff_accounts,
federation: federation_response,
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pollLimits: Config.get([:instance, :poll_limits]),
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postFormats: Config.get([:instance, :allowed_post_formats]),
uploadLimits: %{
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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])
},
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accountActivationRequired: Config.get([:instance, :account_activation_required], false),
invitesEnabled: Config.get([:instance, :invites_enabled], false),
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features: features,
restrictedNicknames: Config.get([Pleroma.User, :restricted_nicknames]),
skipThreadContainment: Config.get([:instance, :skip_thread_containment], false)
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}
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}
end
# Schema definition: https://github.com/jhass/nodeinfo/blob/master/schemas/2.0/schema.json
# and https://github.com/jhass/nodeinfo/blob/master/schemas/2.1/schema.json
def nodeinfo(conn, %{"version" => "2.0"}) do
conn
|> put_resp_header(
"content-type",
"application/json; profile=http://nodeinfo.diaspora.software/ns/schema/2.0#; charset=utf-8"
)
|> json(raw_nodeinfo())
end
def nodeinfo(conn, %{"version" => "2.1"}) do
raw_response = raw_nodeinfo()
updated_software =
raw_response
|> Map.get(:software)
|> Map.put(:repository, Pleroma.Application.repository())
response =
raw_response
|> Map.put(:software, updated_software)
|> Map.put(:version, "2.1")
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conn
|> put_resp_header(
"content-type",
"application/json; profile=http://nodeinfo.diaspora.software/ns/schema/2.1#; charset=utf-8"
)
|> json(response)
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end
def nodeinfo(conn, _) do
render_error(conn, :not_found, "Nodeinfo schema version not handled")
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end
end