Merge branch 'feature/mastoapi-accounts-external' into 'develop'

Mastdon API: Add ability to get a remote account by nickname to `/api/v1/accounts/:id`

See merge request pleroma/pleroma!1622

lib/pleroma/plugs/trailing_format_plug.ex

@@ -0,0 +1,40 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Plugs.TrailingFormatPlug do
+  @moduledoc "Calls TrailingFormatPlug for specific paths. Ideally we would just do this in the router, but TrailingFormatPlug needs to be called before Plug.Parsers."
+
+  @behaviour Plug
+  @paths [
+    "/api/statusnet",
+    "/api/statuses",
+    "/api/qvitter",
+    "/api/search",
+    "/api/account",
+    "/api/friends",
+    "/api/mutes",
+    "/api/media",
+    "/api/favorites",
+    "/api/blocks",
+    "/api/friendships",
+    "/api/users",
+    "/users",
+    "/nodeinfo",
+    "/api/help",
+    "/api/externalprofile",
+    "/notice"
+  ]
+
+  def init(opts) do
+    TrailingFormatPlug.init(opts)
+  end
+
+  for path <- @paths do
+    def call(%{request_path: unquote(path) <> _} = conn, opts) do
+      TrailingFormatPlug.call(conn, opts)
+    end
+  end
+
+  def call(conn, _opts), do: conn
+end

lib/pleroma/user.ex

@@ -569,8 +569,22 @@ defmodule Pleroma.User do
     end)
   end
 
-  def get_cached_by_nickname_or_id(nickname_or_id) do
-    get_cached_by_id(nickname_or_id) || get_cached_by_nickname(nickname_or_id)
+  def get_cached_by_nickname_or_id(nickname_or_id, opts \\ []) do
+    restrict_to_local = Pleroma.Config.get([:instance, :limit_to_local_content])
+
+    cond do
+      is_integer(nickname_or_id) or Pleroma.FlakeId.is_flake_id?(nickname_or_id) ->
+        get_cached_by_id(nickname_or_id) || get_cached_by_nickname(nickname_or_id)
+
+      restrict_to_local == false ->
+        get_cached_by_nickname(nickname_or_id)
+
+      restrict_to_local == :unauthenticated and match?(%User{}, opts[:for]) ->
+        get_cached_by_nickname(nickname_or_id)
+
+      true ->
+        nil
+    end
   end
 
   def get_by_nickname(nickname) do

lib/pleroma/web/endpoint.ex

@@ -57,7 +57,7 @@ defmodule Pleroma.Web.Endpoint do
     plug(Phoenix.CodeReloader)
   end
 
-  plug(TrailingFormatPlug)
+  plug(Pleroma.Plugs.TrailingFormatPlug)
   plug(Plug.RequestId)
   plug(Plug.Logger)
 

lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex

@@ -290,7 +290,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def user(%{assigns: %{user: for_user}} = conn, %{"id" => nickname_or_id}) do
-    with %User{} = user <- User.get_cached_by_nickname_or_id(nickname_or_id),
+    with %User{} = user <- User.get_cached_by_nickname_or_id(nickname_or_id, for: for_user),
          true <- User.auth_active?(user) || user.id == for_user.id || User.superuser?(for_user) do
       account = AccountView.render("account.json", %{user: user, for: for_user})
       json(conn, account)
@@ -390,7 +390,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def user_statuses(%{assigns: %{user: reading_user}} = conn, params) do
-    with %User{} = user <- User.get_cached_by_nickname_or_id(params["id"]) do
+    with %User{} = user <- User.get_cached_by_nickname_or_id(params["id"], for: reading_user) do
       params =
         params
         |> Map.put("tag", params["tagged"])