akkoma/test/plugs/mapped_identity_to_signature_plug_test.exs

# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only

defmodule Pleroma.Web.Plugs.MappedSignatureToIdentityPlugTest do
  use Pleroma.Web.ConnCase
  alias Pleroma.Web.Plugs.MappedSignatureToIdentityPlug

  import Tesla.Mock
  import Plug.Conn

  setup do
    mock(fn env -> apply(HttpRequestMock, :request, [env]) end)
    :ok
  end

  defp set_signature(conn, key_id) do
    conn
    |> put_req_header("signature", "keyId=\"#{key_id}\"")
    |> assign(:valid_signature, true)
  end

  test "it successfully maps a valid identity with a valid signature" do
    conn =
      build_conn(:get, "/doesntmattter")
      |> set_signature("http://mastodon.example.org/users/admin")
      |> MappedSignatureToIdentityPlug.call(%{})

    refute is_nil(conn.assigns.user)
  end

  test "it successfully maps a valid identity with a valid signature with payload" do
    conn =
      build_conn(:post, "/doesntmattter", %{"actor" => "http://mastodon.example.org/users/admin"})
      |> set_signature("http://mastodon.example.org/users/admin")
      |> MappedSignatureToIdentityPlug.call(%{})

    refute is_nil(conn.assigns.user)
  end

  test "it considers a mapped identity to be invalid when it mismatches a payload" do
    conn =
      build_conn(:post, "/doesntmattter", %{"actor" => "http://mastodon.example.org/users/admin"})
      |> set_signature("https://niu.moe/users/rye")
      |> MappedSignatureToIdentityPlug.call(%{})

    assert %{valid_signature: false} == conn.assigns
  end

  @tag skip: "known breakage; the testsuite presently depends on it"
  test "it considers a mapped identity to be invalid when the identity cannot be found" do
    conn =
      build_conn(:post, "/doesntmattter", %{"actor" => "http://mastodon.example.org/users/admin"})
      |> set_signature("http://niu.moe/users/rye")
      |> MappedSignatureToIdentityPlug.call(%{})

    assert %{valid_signature: false} == conn.assigns
  end
end