diff --git a/lib/pleroma/web/metadata.ex b/lib/pleroma/web/metadata.ex
index c9aac27dc..a9f70c43e 100644
--- a/lib/pleroma/web/metadata.ex
+++ b/lib/pleroma/web/metadata.ex
@@ -6,7 +6,12 @@ defmodule Pleroma.Web.Metadata do
alias Phoenix.HTML
def build_tags(params) do
- Enum.reduce(Pleroma.Config.get([__MODULE__, :providers], []), "", fn parser, acc ->
+ providers = [
+ Pleroma.Web.Metadata.Providers.RestrictIndexing
+ | Pleroma.Config.get([__MODULE__, :providers], [])
+ ]
+
+ Enum.reduce(providers, "", fn parser, acc ->
rendered_html =
params
|> parser.build_tags()
diff --git a/lib/pleroma/web/metadata/restrict_indexing.ex b/lib/pleroma/web/metadata/restrict_indexing.ex
new file mode 100644
index 000000000..f15607896
--- /dev/null
+++ b/lib/pleroma/web/metadata/restrict_indexing.ex
@@ -0,0 +1,25 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Metadata.Providers.RestrictIndexing do
+ @behaviour Pleroma.Web.Metadata.Providers.Provider
+
+ @moduledoc """
+ Restricts indexing of remote users.
+ """
+
+ @impl true
+ def build_tags(%{user: %{local: false}}) do
+ [
+ {:meta,
+ [
+ name: "robots",
+ content: "noindex, noarchive"
+ ], []}
+ ]
+ end
+
+ @impl true
+ def build_tags(%{user: %{local: true}}), do: []
+end
diff --git a/test/web/metadata/metadata_test.exs b/test/web/metadata/metadata_test.exs
new file mode 100644
index 000000000..3f8b29e58
--- /dev/null
+++ b/test/web/metadata/metadata_test.exs
@@ -0,0 +1,25 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MetadataTest do
+ use Pleroma.DataCase, async: true
+
+ import Pleroma.Factory
+
+ describe "restrict indexing remote users" do
+ test "for remote user" do
+ user = insert(:user, local: false)
+
+ assert Pleroma.Web.Metadata.build_tags(%{user: user}) =~
+ ""
+ end
+
+ test "for local user" do
+ user = insert(:user)
+
+ refute Pleroma.Web.Metadata.build_tags(%{user: user}) =~
+ ""
+ end
+ end
+end
diff --git a/test/web/metadata/restrict_indexing_test.exs b/test/web/metadata/restrict_indexing_test.exs
new file mode 100644
index 000000000..aad0bac42
--- /dev/null
+++ b/test/web/metadata/restrict_indexing_test.exs
@@ -0,0 +1,21 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Metadata.Providers.RestrictIndexingTest do
+ use ExUnit.Case, async: true
+
+ describe "build_tags/1" do
+ test "for remote user" do
+ assert Pleroma.Web.Metadata.Providers.RestrictIndexing.build_tags(%{
+ user: %Pleroma.User{local: false}
+ }) == [{:meta, [name: "robots", content: "noindex, noarchive"], []}]
+ end
+
+ test "for local user" do
+ assert Pleroma.Web.Metadata.Providers.RestrictIndexing.build_tags(%{
+ user: %Pleroma.User{local: true}
+ }) == []
+ end
+ end
+end