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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.InstanceView do
use Pleroma.Web, :view
alias Pleroma.Config
alias Pleroma.Web.ActivityPub.MRF
@mastodon_api_level "2.7.2"
def render("show.json", _) do
instance = Config.get(:instance)
%{
uri: Pleroma.Web.Endpoint.url(),
title: Keyword.get(instance, :name),
description: Keyword.get(instance, :description),
short_description: Keyword.get(instance, :short_description),
version: "#{@mastodon_api_level} (compatible; #{Pleroma.Application.named_version()})",
email: Keyword.get(instance, :email),
urls: %{
streaming_api: Pleroma.Web.Endpoint.websocket_url()
},
stats: Pleroma.Stats.get_stats(),
thumbnail:
URI.merge(Pleroma.Web.Endpoint.url(), Keyword.get(instance, :instance_thumbnail))
|> to_string,
languages: ["en"],
registrations: Keyword.get(instance, :registrations_open),
approval_required: Keyword.get(instance, :account_approval_required),
# Extra (not present in Mastodon):
max_toot_chars: Keyword.get(instance, :limit),
max_media_attachments: Keyword.get(instance, :max_media_attachments),
poll_limits: Keyword.get(instance, :poll_limits),
upload_limit: Keyword.get(instance, :upload_limit),
avatar_upload_limit: Keyword.get(instance, :avatar_upload_limit),
background_upload_limit: Keyword.get(instance, :background_upload_limit),
banner_upload_limit: Keyword.get(instance, :banner_upload_limit),
background_image: Pleroma.Web.Endpoint.url() <> Keyword.get(instance, :background_image),
shout_limit: Config.get([:shout, :limit]),
description_limit: Keyword.get(instance, :description_limit),
pleroma: %{
metadata: %{
account_activation_required: Keyword.get(instance, :account_activation_required),
features: features(),
federation: federation(),
fields_limits: fields_limits(),
post_formats: Config.get([:instance, :allowed_post_formats]),
privileged_staff: Config.get([:instance, :privileged_staff]),
birthday_required: Config.get([:instance, :birthday_required]),
birthday_min_age: Config.get([:instance, :birthday_min_age])
},
stats: %{mau: Pleroma.User.active_user_count()},
vapid_public_key: Keyword.get(Pleroma.Web.Push.vapid_config(), :public_key)
}
}
end
def features do
[
"pleroma_api",
"mastodon_api",
"mastodon_api_streaming",
"polls",
"v2_suggestions",
"pleroma_explicit_addressing",
"shareable_emoji_packs",
"multifetch",
"pleroma:api/v1/notifications:include_types_filter",
if Config.get([:activitypub, :blockers_visible]) do
"blockers_visible"
end,
if Config.get([:media_proxy, :enabled]) do
"media_proxy"
end,
if Config.get([:gopher, :enabled]) do
"gopher"
end,
# backwards compat
if Config.get([:shout, :enabled]) do
"chat"
end,
if Config.get([:shout, :enabled]) do
"shout"
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",
if Config.get([:instance, :show_reactions]) do
"exposable_reactions"
end,
if Config.get([:instance, :profile_directory]) do
"profile_directory"
end
]
|> 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.put(
:quarantined_instances,
Enum.map(quarantined, fn {instance, _reason} -> instance end)
)
# This is for backwards compatibility. We originally didn't sent
# extra info like a reason why an instance was rejected/quarantined/etc.
# Because we didn't want to break backwards compatibility it was decided
# to add an extra "info" key.
|> Map.put(:quarantined_instances_info, %{
"quarantined_instances" =>
quarantined
|> Enum.map(fn {instance, reason} -> {instance, %{"reason" => reason}} end)
|> Map.new()
})
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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