Merge branch 'develop' into 'remove-avatar-header'
[akkoma] / lib / pleroma / web / nodeinfo / nodeinfo_controller.ex
index 4f18a9c330115fe350844f8ad7ef30d336f4fc16..32be430b7691aa31ab695893456362a3d953cafe 100644 (file)
@@ -1,11 +1,16 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
   use Pleroma.Web, :controller
 
-  alias Pleroma.Web.Nodeinfo
+  alias Pleroma.Config
   alias Pleroma.Stats
+  alias Pleroma.User
   alias Pleroma.Web
-
-  @instance Application.get_env(:pleroma, :instance)
+  alias Pleroma.Web.ActivityPub.MRF
+  alias Pleroma.Web.Federator.Publisher
 
   def schemas(conn, _params) do
     response = %{
@@ -13,6 +18,10 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
         %{
           rel: "http://nodeinfo.diaspora.software/ns/schema/2.0",
           href: Web.base_url() <> "/nodeinfo/2.0.json"
+        },
+        %{
+          rel: "http://nodeinfo.diaspora.software/ns/schema/2.1",
+          href: Web.base_url() <> "/nodeinfo/2.1.json"
         }
       ]
     }
@@ -20,34 +29,179 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     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
-    response = %{
+  # returns a nodeinfo 2.0 map, since 2.1 just adds a repository field
+  # under software.
+  def raw_nodeinfo do
+    stats = Stats.get_stats()
+
+    mrf_simple =
+      Config.get(:mrf_simple)
+      |> Enum.into(%{})
+
+    # This horror is needed to convert regex sigils to strings
+    mrf_keyword =
+      Config.get(:mrf_keyword, [])
+      |> 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)
+
+    quarantined = Config.get([:instance, :quarantined_instances], [])
+
+    staff_accounts =
+      User.all_superusers()
+      |> Enum.map(fn u -> u.ap_id end)
+
+    mrf_user_allowlist =
+      Config.get([:mrf_user_allowlist], [])
+      |> Enum.into(%{}, fn {k, v} -> {k, length(v)} end)
+
+    federation_response =
+      if Config.get([:instance, :mrf_transparency]) do
+        %{
+          mrf_policies: mrf_policies,
+          mrf_simple: mrf_simple,
+          mrf_keyword: mrf_keyword,
+          mrf_user_allowlist: mrf_user_allowlist,
+          quarantined_instances: quarantined
+        }
+      else
+        %{}
+      end
+
+    features =
+      [
+        "pleroma_api",
+        "mastodon_api",
+        "mastodon_api_streaming",
+        "polls",
+        "pleroma_explicit_addressing",
+        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([:suggestions, :enabled]) do
+          "suggestions"
+        end,
+        if Config.get([:instance, :allow_relay]) do
+          "relay"
+        end,
+        if Config.get([:instance, :safe_dm_mentions]) do
+          "safe_dm_mentions"
+        end
+      ]
+      |> Enum.filter(& &1)
+
+    %{
       version: "2.0",
       software: %{
-        name: "pleroma",
-        version: "#{Keyword.get(@instance, :version)})"
+        name: Pleroma.Application.name() |> String.downcase(),
+        version: Pleroma.Application.version()
       },
-      protocols: ["ostatus", "activitypub"],
+      protocols: Publisher.gather_nodeinfo_protocol_names(),
       services: %{
         inbound: [],
         outbound: []
       },
-      openRegistrations: Keyword.get(@instance, :registrations_open),
+      openRegistrations: Config.get([:instance, :registrations_open]),
       usage: %{
         users: %{
-          total: Stats.get_stats().user_count
-        }
+          total: stats.user_count || 0
+        },
+        localPosts: stats.status_count || 0
       },
-      metadata: %{}
+      metadata: %{
+        nodeName: Config.get([:instance, :name]),
+        nodeDescription: Config.get([:instance, :description]),
+        private: !Config.get([:instance, :public], true),
+        suggestions: %{
+          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,
+        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])
+        },
+        accountActivationRequired: Config.get([:instance, :account_activation_required], false),
+        invitesEnabled: Config.get([:instance, :invites_enabled], false),
+        features: features,
+        restrictedNicknames: Config.get([Pleroma.User, :restricted_nicknames])
+      }
     }
+  end
 
-    json(conn, response)
+  # 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")
+
+    conn
+    |> put_resp_header(
+      "content-type",
+      "application/json; profile=http://nodeinfo.diaspora.software/ns/schema/2.1#; charset=utf-8"
+    )
+    |> json(response)
   end
 
   def nodeinfo(conn, _) do
     conn
     |> put_status(404)
-    |> json(%{error: "Nodeinfo schema not handled"})
+    |> json(%{error: "Nodeinfo schema version not handled"})
   end
 end