[#1560] Ensured authentication or enabled federation for federation-related routes. New tests + tests refactoring.

lib/pleroma/plugs/ensure_authenticated_plug.ex

@@ -15,9 +15,24 @@ def call(%{assigns: %{user: %User{}}} = conn, _) do
     conn
   end
 
-  def call(conn, _) do
+  def call(conn, options) do
+    perform =
+      cond do
+        options[:if_func] -> options[:if_func].()
+        options[:unless_func] -> !options[:unless_func].()
+        true -> true
+      end
+
+    if perform do
+      fail(conn)
+    else
+      conn
+    end
+  end
+
+  def fail(conn) do
     conn
     |> render_error(:forbidden, "Invalid credentials.")
-    |> halt
+    |> halt()
   end
 end

lib/pleroma/plugs/federating_plug.ex

@@ -19,7 +19,7 @@ def call(conn, _opts) do
 
   def federating?, do: Pleroma.Config.get([:instance, :federating])
 
-  def fail(conn) do
+  defp fail(conn) do
     conn
     |> put_status(404)
     |> Phoenix.Controller.put_view(Pleroma.Web.ErrorView)

lib/pleroma/web/activity_pub/activity_pub_controller.ex

@@ -9,6 +9,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   alias Pleroma.Delivery
   alias Pleroma.Object
   alias Pleroma.Object.Fetcher
+  alias Pleroma.Plugs.EnsureAuthenticatedPlug
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.InternalFetchActor
@@ -25,18 +26,19 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   action_fallback(:errors)
 
-  # Note: some of the following actions (like :update_inbox) may be server-to-server as well
-  @client_to_server_actions [
-    :whoami,
-    :read_inbox,
-    :outbox,
-    :update_outbox,
-    :upload_media,
-    :followers,
-    :following
-  ]
+  @federating_only_actions [:internal_fetch, :relay, :relay_following, :relay_followers]
 
-  plug(FederatingPlug when action not in @client_to_server_actions)
+  plug(FederatingPlug when action in @federating_only_actions)
+
+  plug(
+    EnsureAuthenticatedPlug,
+    [unless_func: &FederatingPlug.federating?/0] when action not in @federating_only_actions
+  )
+
+  plug(
+    EnsureAuthenticatedPlug
+    when action in [:read_inbox, :update_outbox, :whoami, :upload_media, :following, :followers]
+  )
 
   plug(
     Pleroma.Plugs.Cache,
@@ -47,7 +49,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   plug(:set_requester_reachable when action in [:inbox])
   plug(:relay_active? when action in [:relay])
 
-  def relay_active?(conn, _) do
+  defp relay_active?(conn, _) do
     if Pleroma.Config.get([:instance, :allow_relay]) do
       conn
     else
@@ -140,14 +142,12 @@ defp set_cache_ttl_for(conn, entity) do
   end
 
   # GET /relay/following
-  def following(%{assigns: %{relay: true}} = conn, _params) do
-    if FederatingPlug.federating?() do
+  def relay_following(conn, _params) do
+    with %{halted: false} = conn <- FederatingPlug.call(conn, []) do
       conn
       |> put_resp_content_type("application/activity+json")
       |> put_view(UserView)
       |> render("following.json", %{user: Relay.get_actor()})
-    else
-      FederatingPlug.fail(conn)
     end
   end
 
@@ -181,14 +181,12 @@ def following(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname}) d
   end
 
   # GET /relay/followers
-  def followers(%{assigns: %{relay: true}} = conn, _params) do
-    if FederatingPlug.federating?() do
+  def relay_followers(conn, _params) do
+    with %{halted: false} = conn <- FederatingPlug.call(conn, []) do
       conn
       |> put_resp_content_type("application/activity+json")
       |> put_view(UserView)
       |> render("followers.json", %{user: Relay.get_actor()})
-    else
-      FederatingPlug.fail(conn)
     end
   end
 
@@ -221,13 +219,16 @@ def followers(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname}) d
     end
   end
 
-  def outbox(conn, %{"nickname" => nickname, "page" => page?} = params)
+  def outbox(
+        %{assigns: %{user: for_user}} = conn,
+        %{"nickname" => nickname, "page" => page?} = params
+      )
       when page? in [true, "true"] do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
          {:ok, user} <- User.ensure_keys_present(user) do
       activities =
         if params["max_id"] do
-          ActivityPub.fetch_user_activities(user, nil, %{
+          ActivityPub.fetch_user_activities(user, for_user, %{
             "max_id" => params["max_id"],
             # This is a hack because postgres generates inefficient queries when filtering by
             # 'Answer', poll votes will be hidden by the visibility filter in this case anyway
@@ -235,7 +236,7 @@ def outbox(conn, %{"nickname" => nickname, "page" => page?} = params)
             "limit" => 10
           })
         else
-          ActivityPub.fetch_user_activities(user, nil, %{
+          ActivityPub.fetch_user_activities(user, for_user, %{
             "limit" => 10,
             "include_poll_votes" => true
           })
@@ -298,7 +299,8 @@ defp post_inbox_relayed_create(conn, params) do
   defp post_inbox_fallback(conn, params) do
     headers = Enum.into(conn.req_headers, %{})
 
-    if String.contains?(headers["signature"], params["actor"]) do
+    if headers["signature"] && params["actor"] &&
+         String.contains?(headers["signature"], params["actor"]) do
       Logger.debug(
         "Signature validation error for: #{params["actor"]}, make sure you are forwarding the HTTP Host header!"
       )
@@ -306,7 +308,9 @@ defp post_inbox_fallback(conn, params) do
       Logger.debug(inspect(conn.req_headers))
     end
 
-    json(conn, dgettext("errors", "error"))
+    conn
+    |> put_status(:bad_request)
+    |> json(dgettext("errors", "error"))
   end
 
   defp represent_service_actor(%User{} = user, conn) do
@@ -340,8 +344,6 @@ def whoami(%{assigns: %{user: %User{} = user}} = conn, _params) do
     |> render("user.json", %{user: user})
   end
 
-  def whoami(_conn, _params), do: {:error, :not_found}
-
   def read_inbox(
         %{assigns: %{user: %User{nickname: nickname} = user}} = conn,
         %{"nickname" => nickname, "page" => page?} = params
@@ -377,14 +379,6 @@ def read_inbox(%{assigns: %{user: %User{nickname: nickname} = user}} = conn, %{
     end
   end
 
-  def read_inbox(%{assigns: %{user: nil}} = conn, %{"nickname" => nickname}) do
-    err = dgettext("errors", "can't read inbox of %{nickname}", nickname: nickname)
-
-    conn
-    |> put_status(:forbidden)
-    |> json(err)
-  end
-
   def read_inbox(%{assigns: %{user: %User{nickname: as_nickname}}} = conn, %{
         "nickname" => nickname
       }) do
@@ -399,7 +393,7 @@ def read_inbox(%{assigns: %{user: %User{nickname: as_nickname}}} = conn, %{
     |> json(err)
   end
 
-  def handle_user_activity(%User{} = user, %{"type" => "Create"} = params) do
+  defp handle_user_activity(%User{} = user, %{"type" => "Create"} = params) do
     object =
       params["object"]
       |> Map.merge(Map.take(params, ["to", "cc"]))
@@ -415,7 +409,7 @@ def handle_user_activity(%User{} = user, %{"type" => "Create"} = params) do
     })
   end
 
-  def handle_user_activity(%User{} = user, %{"type" => "Delete"} = params) do
+  defp handle_user_activity(%User{} = user, %{"type" => "Delete"} = params) do
     with %Object{} = object <- Object.normalize(params["object"]),
          true <- user.is_moderator || user.ap_id == object.data["actor"],
          {:ok, delete} <- ActivityPub.delete(object) do
@@ -425,7 +419,7 @@ def handle_user_activity(%User{} = user, %{"type" => "Delete"} = params) do
     end
   end
 
-  def handle_user_activity(%User{} = user, %{"type" => "Like"} = params) do
+  defp handle_user_activity(%User{} = user, %{"type" => "Like"} = params) do
     with %Object{} = object <- Object.normalize(params["object"]),
          {:ok, activity, _object} <- ActivityPub.like(user, object) do
       {:ok, activity}
@@ -434,7 +428,7 @@ def handle_user_activity(%User{} = user, %{"type" => "Like"} = params) do
     end
   end
 
-  def handle_user_activity(_, _) do
+  defp handle_user_activity(_, _) do
     {:error, dgettext("errors", "Unhandled activity type")}
   end
 
@@ -475,13 +469,13 @@ def update_outbox(%{assigns: %{user: %User{} = user}} = conn, %{"nickname" => ni
     |> json(err)
   end
 
-  def errors(conn, {:error, :not_found}) do
+  defp errors(conn, {:error, :not_found}) do
     conn
     |> put_status(:not_found)
     |> json(dgettext("errors", "Not found"))
   end
 
-  def errors(conn, _e) do
+  defp errors(conn, _e) do
     conn
     |> put_status(:internal_server_error)
     |> json(dgettext("errors", "error"))

lib/pleroma/web/feed/user_controller.ex

@@ -25,7 +25,12 @@ def feed_redirect(%{assigns: %{format: "html"}} = conn, %{"nickname" => nickname
 
   def feed_redirect(%{assigns: %{format: format}} = conn, _params)
       when format in ["json", "activity+json"] do
-    ActivityPubController.call(conn, :user)
+    with %{halted: false} = conn <-
+           Pleroma.Plugs.EnsureAuthenticatedPlug.call(conn,
+             unless_func: &Pleroma.Web.FederatingPlug.federating?/0
+           ) do
+      ActivityPubController.call(conn, :user)
+    end
   end
 
   def feed_redirect(conn, %{"nickname" => nickname}) do

lib/pleroma/web/ostatus/ostatus_controller.ex

@@ -16,7 +16,9 @@ defmodule Pleroma.Web.OStatus.OStatusController do
   alias Pleroma.Web.Metadata.PlayerView
   alias Pleroma.Web.Router
 
-  plug(Pleroma.Web.FederatingPlug)
+  plug(Pleroma.Plugs.EnsureAuthenticatedPlug,
+    unless_func: &Pleroma.Web.FederatingPlug.federating?/0
+  )
 
   plug(
     RateLimiter,
@@ -137,13 +139,13 @@ def notice_player(conn, %{"id" => id}) do
     end
   end
 
-  def errors(conn, {:error, :not_found}) do
+  defp errors(conn, {:error, :not_found}) do
     render_error(conn, :not_found, "Not found")
   end
 
-  def errors(conn, {:fetch_user, nil}), do: errors(conn, {:error, :not_found})
+  defp errors(conn, {:fetch_user, nil}), do: errors(conn, {:error, :not_found})
 
-  def errors(conn, _) do
+  defp errors(conn, _) do
     render_error(conn, :internal_server_error, "Something went wrong")
   end
 end

lib/pleroma/web/router.ex

@@ -570,7 +570,6 @@ defmodule Pleroma.Web.Router do
     plug(Pleroma.Plugs.EnsureUserKeyPlug)
   end
 
-  # Note: propagate _any_ updates to `@client_to_server_actions` in `ActivityPubController`
   scope "/", Pleroma.Web.ActivityPub do
     pipe_through([:activitypub_client])
 
@@ -600,8 +599,8 @@ defmodule Pleroma.Web.Router do
       post("/inbox", ActivityPubController, :inbox)
     end
 
-    get("/following", ActivityPubController, :following, assigns: %{relay: true})
-    get("/followers", ActivityPubController, :followers, assigns: %{relay: true})
+    get("/following", ActivityPubController, :relay_following)
+    get("/followers", ActivityPubController, :relay_followers)
   end
 
   scope "/internal/fetch", Pleroma.Web.ActivityPub do

test/plugs/ensure_authenticated_plug_test.exs

@@ -8,24 +8,62 @@ defmodule Pleroma.Plugs.EnsureAuthenticatedPlugTest do
   alias Pleroma.Plugs.EnsureAuthenticatedPlug
   alias Pleroma.User
 
-  test "it halts if no user is assigned", %{conn: conn} do
-    conn =
-      conn
-      |> EnsureAuthenticatedPlug.call(%{})
+  describe "without :if_func / :unless_func options" do
+    test "it halts if user is NOT assigned", %{conn: conn} do
+      conn = EnsureAuthenticatedPlug.call(conn, %{})
 
-    assert conn.status == 403
-    assert conn.halted == true
+      assert conn.status == 403
+      assert conn.halted == true
+    end
+
+    test "it continues if a user is assigned", %{conn: conn} do
+      conn = assign(conn, :user, %User{})
+      ret_conn = EnsureAuthenticatedPlug.call(conn, %{})
+
+      assert ret_conn == conn
+    end
   end
 
-  test "it continues if a user is assigned", %{conn: conn} do
-    conn =
-      conn
-      |> assign(:user, %User{})
+  describe "with :if_func / :unless_func options" do
+    setup do
+      %{
+        true_fn: fn -> true end,
+        false_fn: fn -> false end
+      }
+    end
 
-    ret_conn =
-      conn
-      |> EnsureAuthenticatedPlug.call(%{})
+    test "it continues if a user is assigned", %{conn: conn, true_fn: true_fn, false_fn: false_fn} do
+      conn = assign(conn, :user, %User{})
+      assert EnsureAuthenticatedPlug.call(conn, if_func: true_fn) == conn
+      assert EnsureAuthenticatedPlug.call(conn, if_func: false_fn) == conn
+      assert EnsureAuthenticatedPlug.call(conn, unless_func: true_fn) == conn
+      assert EnsureAuthenticatedPlug.call(conn, unless_func: false_fn) == conn
+    end
 
-    assert ret_conn == conn
+    test "it continues if a user is NOT assigned but :if_func evaluates to `false`",
+         %{conn: conn, false_fn: false_fn} do
+      assert EnsureAuthenticatedPlug.call(conn, if_func: false_fn) == conn
+    end
+
+    test "it continues if a user is NOT assigned but :unless_func evaluates to `true`",
+         %{conn: conn, true_fn: true_fn} do
+      assert EnsureAuthenticatedPlug.call(conn, unless_func: true_fn) == conn
+    end
+
+    test "it halts if a user is NOT assigned and :if_func evaluates to `true`",
+         %{conn: conn, true_fn: true_fn} do
+      conn = EnsureAuthenticatedPlug.call(conn, if_func: true_fn)
+
+      assert conn.status == 403
+      assert conn.halted == true
+    end
+
+    test "it halts if a user is NOT assigned and :unless_func evaluates to `false`",
+         %{conn: conn, false_fn: false_fn} do
+      conn = EnsureAuthenticatedPlug.call(conn, unless_func: false_fn)
+
+      assert conn.status == 403
+      assert conn.halted == true
+    end
   end
 end

test/support/conn_case.ex

@@ -48,6 +48,25 @@ defp oauth_access(scopes, opts \\ []) do
 
         %{user: user, token: token, conn: conn}
       end
+
+      defp ensure_federating_or_authenticated(conn, url, user) do
+        Pleroma.Config.put([:instance, :federating], false)
+
+        conn
+        |> get(url)
+        |> response(403)
+
+        conn
+        |> assign(:user, user)
+        |> get(url)
+        |> response(200)
+
+        Pleroma.Config.put([:instance, :federating], true)
+
+        conn
+        |> get(url)
+        |> response(200)
+      end
     end
   end
 

test/web/activity_pub/activity_pub_controller_test.exs

@@ -8,6 +8,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do
 
   import Pleroma.Factory
   alias Pleroma.Activity
+  alias Pleroma.Config
   alias Pleroma.Delivery
   alias Pleroma.Instances
   alias Pleroma.Object
@@ -25,8 +26,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do
     :ok
   end
 
-  clear_config_all([:instance, :federating]) do
-    Pleroma.Config.put([:instance, :federating], true)
+  clear_config([:instance, :federating]) do
+    Config.put([:instance, :federating], true)
   end
 
   describe "/relay" do
@@ -42,12 +43,21 @@ test "with the relay active, it returns the relay user", %{conn: conn} do
     end
 
     test "with the relay disabled, it returns 404", %{conn: conn} do
-      Pleroma.Config.put([:instance, :allow_relay], false)
+      Config.put([:instance, :allow_relay], false)
 
       conn
       |> get(activity_pub_path(conn, :relay))
       |> json_response(404)
-      |> assert
+    end
+
+    test "on non-federating instance, it returns 404", %{conn: conn} do
+      Config.put([:instance, :federating], false)
+      user = insert(:user)
+
+      conn
+      |> assign(:user, user)
+      |> get(activity_pub_path(conn, :relay))
+      |> json_response(404)
     end
   end
 
@@ -60,6 +70,16 @@ test "it returns the internal fetch user", %{conn: conn} do
 
       assert res["id"] =~ "/fetch"
     end
+
+    test "on non-federating instance, it returns 404", %{conn: conn} do
+      Config.put([:instance, :federating], false)
+      user = insert(:user)
+
+      conn
+      |> assign(:user, user)
+      |> get(activity_pub_path(conn, :internal_fetch))
+      |> json_response(404)
+    end
   end
 
   describe "/users/:nickname" do
@@ -123,9 +143,34 @@ test "it returns 404 for remote users", %{
 
       assert json_response(conn, 404)
     end
+
+    test "it returns error when user is not found", %{conn: conn} do
+      response =
+        conn
+        |> put_req_header("accept", "application/json")
+        |> get("/users/jimm")
+        |> json_response(404)
+
+      assert response == "Not found"
+    end
+
+    test "it requires authentication if instance is NOT federating", %{
+      conn: conn
+    } do
+      user = insert(:user)
+
+      conn =
+        put_req_header(
+          conn,
+          "accept",
+          "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""
+        )
+
+      ensure_federating_or_authenticated(conn, "/users/#{user.nickname}.json", user)
+    end
   end
 
-  describe "/object/:uuid" do
+  describe "/objects/:uuid" do
     test "it returns a json representation of the object with accept application/json", %{
       conn: conn
     } do
@@ -236,6 +281,18 @@ test "cached purged after object deletion", %{conn: conn} do
 
       assert "Not found" == json_response(conn2, :not_found)
     end
+
+    test "it requires authentication if instance is NOT federating", %{
+      conn: conn
+    } do
+      user = insert(:user)
+      note = insert(:note)
+      uuid = String.split(note.data["id"], "/") |> List.last()
+
+      conn = put_req_header(conn, "accept", "application/activity+json")
+
+      ensure_federating_or_authenticated(conn, "/objects/#{uuid}", user)
+    end
   end
 
   describe "/activities/:uuid" do
@@ -307,6 +364,18 @@ test "cached purged after activity deletion", %{conn: conn} do
 
       assert "Not found" == json_response(conn2, :not_found)
     end
+
+    test "it requires authentication if instance is NOT federating", %{
+      conn: conn
+    } do
+      user = insert(:user)
+      activity = insert(:note_activity)
+      uuid = String.split(activity.data["id"], "/") |> List.last()
+
+      conn = put_req_header(conn, "accept", "application/activity+json")
+
+      ensure_federating_or_authenticated(conn, "/activities/#{uuid}", user)
+    end
   end
 
   describe "/inbox" do
@@ -341,6 +410,34 @@ test "it clears `unreachable` federation status of the sender", %{conn: conn} do
       assert "ok" == json_response(conn, 200)
       assert Instances.reachable?(sender_url)
     end
+
+    test "without valid signature, " <>
+           "it only accepts Create activities and requires enabled federation",
+         %{conn: conn} do
+      data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!()
+      non_create_data = File.read!("test/fixtures/mastodon-announce.json") |> Poison.decode!()
+
+      conn = put_req_header(conn, "content-type", "application/activity+json")
+
+      Config.put([:instance, :federating], false)
+
+      conn
+      |> post("/inbox", data)
+      |> json_response(403)
+
+      conn
+      |> post("/inbox", non_create_data)
+      |> json_response(403)
+
+      Config.put([:instance, :federating], true)
+
+      ret_conn = post(conn, "/inbox", data)
+      assert "ok" == json_response(ret_conn, 200)
+
+      conn
+      |> post("/inbox", non_create_data)
+      |> json_response(400)
+    end
   end
 
   describe "/users/:nickname/inbox" do
@@ -479,22 +576,11 @@ test "it accepts messages from actors that are followed by the user", %{
 
     test "it rejects reads from other users", %{conn: conn} do
       user = insert(:user)
-      otheruser = insert(:user)
-
-      conn =
-        conn
-        |> assign(:user, otheruser)
-        |> put_req_header("accept", "application/activity+json")
-        |> get("/users/#{user.nickname}/inbox")
-
-      assert json_response(conn, 403)
-    end
-
-    test "it doesn't crash without an authenticated user", %{conn: conn} do
-      user = insert(:user)
+      other_user = insert(:user)
 
       conn =
         conn
+        |> assign(:user, other_user)
         |> put_req_header("accept", "application/activity+json")
         |> get("/users/#{user.nickname}/inbox")
 
@@ -575,14 +661,30 @@ test "it removes all follower collections but actor's", %{conn: conn} do
       refute recipient.follower_address in activity.data["cc"]
       refute recipient.follower_address in activity.data["to"]
     end
+
+    test "it requires authentication", %{conn: conn} do
+      user = insert(:user)
+      conn = put_req_header(conn, "accept", "application/activity+json")
+
+      ret_conn = get(conn, "/users/#{user.nickname}/inbox")
+      assert json_response(ret_conn, 403)
+
+      ret_conn =
+        conn
+        |> assign(:user, user)
+        |> get("/users/#{user.nickname}/inbox")
+
+      assert json_response(ret_conn, 200)
+    end
   end
 
   describe "GET /users/:nickname/outbox" do
-    test "it will not bomb when there is no activity", %{conn: conn} do
+    test "it returns 200 even if there're no activities", %{conn: conn} do
       user = insert(:user)
 
       conn =
         conn
+        |> assign(:user, user)
         |> put_req_header("accept", "application/activity+json")
         |> get("/users/#{user.nickname}/outbox")
 
@@ -597,6 +699,7 @@ test "it returns a note activity in a collection", %{conn: conn} do
 
       conn =
         conn
+        |> assign(:user, user)
         |> put_req_header("accept", "application/activity+json")
         |> get("/users/#{user.nickname}/outbox?page=true")
 
@@ -609,26 +712,38 @@ test "it returns an announce activity in a collection", %{conn: conn} do
 
       conn =
         conn
+        |> assign(:user, user)
         |> put_req_header("accept", "application/activity+json")
         |> get("/users/#{user.nickname}/outbox?page=true")
 
       assert response(conn, 200) =~ announce_activity.data["object"]
     end
+
+    test "it requires authentication if instance is NOT federating", %{
+      conn: conn
+    } do
+      user = insert(:user)
+      conn = put_req_header(conn, "accept", "application/activity+json")
+
+      ensure_federating_or_authenticated(conn, "/users/#{user.nickname}/outbox", user)
+    end
   end
 
   describe "POST /users/:nickname/outbox" do
-    test "it rejects posts from other users", %{conn: conn} do
+    test "it rejects posts from other users / unauuthenticated users", %{conn: conn} do
       data = File.read!("test/fixtures/activitypub-client-post-activity.json") |> Poison.decode!()
       user = insert(:user)
-      otheruser = insert(:user)
+      other_user = insert(:user)
+      conn = put_req_header(conn, "content-type", "application/activity+json")
 
-      conn =
-        conn
-        |> assign(:user, otheruser)
-        |> put_req_header("content-type", "application/activity+json")
-        |> post("/users/#{user.nickname}/outbox", data)
+      conn
+      |> post("/users/#{user.nickname}/outbox", data)
+      |> json_response(403)
 
-      assert json_response(conn, 403)
+      conn
+      |> assign(:user, other_user)
+      |> post("/users/#{user.nickname}/outbox", data)
+      |> json_response(403)
     end
 
     test "it inserts an incoming create activity into the database", %{conn: conn} do
@@ -743,24 +858,42 @@ test "it returns relay followers", %{conn: conn} do
 
       result =
         conn
-        |> assign(:relay, true)
         |> get("/relay/followers")
         |> json_response(200)
 
       assert result["first"]["orderedItems"] == [user.ap_id]
     end
+
+    test "on non-federating instance, it returns 404", %{conn: conn} do
+      Config.put([:instance, :federating], false)
+      user = insert(:user)
+
+      conn
+      |> assign(:user, user)
+      |> get("/relay/followers")
+      |> json_response(404)
+    end
   end
 
   describe "/relay/following" do
     test "it returns relay following", %{conn: conn} do
       result =
         conn
-        |> assign(:relay, true)
         |> get("/relay/following")
         |> json_response(200)
 
       assert result["first"]["orderedItems"] == []
     end
+
+    test "on non-federating instance, it returns 404", %{conn: conn} do
+      Config.put([:instance, :federating], false)
+      user = insert(:user)
+
+      conn
+      |> assign(:user, user)
+      |> get("/relay/following")
+      |> json_response(404)
+    end
   end
 
   describe "/users/:nickname/followers" do
@@ -771,6 +904,7 @@ test "it returns the followers in a collection", %{conn: conn} do
 
       result =
         conn
+        |> assign(:user, user_two)
         |> get("/users/#{user_two.nickname}/followers")
         |> json_response(200)
 
@@ -784,19 +918,22 @@ test "it returns a uri if the user has 'hide_followers' set", %{conn: conn} do
 
       result =
         conn
+        |> assign(:user, user)
         |> get("/users/#{user_two.nickname}/followers")
         |> json_response(200)
 
       assert is_binary(result["first"])
     end
 
-    test "it returns a 403 error on pages, if the user has 'hide_followers' set and the request is not authenticated",
+    test "it returns a 403 error on pages, if the user has 'hide_followers' set and the request is from another user",
          %{conn: conn} do
-      user = insert(:user, hide_followers: true)
+      user = insert(:user)
+      other_user = insert(:user, hide_followers: true)
 
       result =
         conn
-        |> get("/users/#{user.nickname}/followers?page=1")
+        |> assign(:user, user)
+        |> get("/users/#{other_user.nickname}/followers?page=1")
 
       assert result.status == 403
       assert result.resp_body == ""
@@ -828,6 +965,7 @@ test "it works for more than 10 users", %{conn: conn} do
 
       result =
         conn
+        |> assign(:user, user)
         |> get("/users/#{user.nickname}/followers")
         |> json_response(200)
 
@@ -837,12 +975,21 @@ test "it works for more than 10 users", %{conn: conn} do
 
       result =
         conn
+        |> assign(:user, user)
         |> get("/users/#{user.nickname}/followers?page=2")
         |> json_response(200)
 
       assert length(result["orderedItems"]) == 5
       assert result["totalItems"] == 15
     end
+
+    test "returns 403 if requester is not logged in", %{conn: conn} do
+      user = insert(:user)
+
+      conn
+      |> get("/users/#{user.nickname}/followers")
+      |> json_response(403)
+    end
   end
 
   describe "/users/:nickname/following" do
@@ -853,6 +1000,7 @@ test "it returns the following in a collection", %{conn: conn} do
 
       result =
         conn
+        |> assign(:user, user)
         |> get("/users/#{user.nickname}/following")
         |> json_response(200)
 
@@ -860,25 +1008,28 @@ test "it returns the following in a collection", %{conn: conn} do
     end
 
     test "it returns a uri if the user has 'hide_follows' set", %{conn: conn} do
-      user = insert(:user, hide_follows: true)
-      user_two = insert(:user)
+      user = insert(:user)
+      user_two = insert(:user, hide_follows: true)
       User.follow(user, user_two)
 
       result =
         conn
-        |> get("/users/#{user.nickname}/following")
+        |> assign(:user, user)
+        |> get("/users/#{user_two.nickname}/following")
         |> json_response(200)
 
       assert is_binary(result["first"])
     end
 
-    test "it returns a 403 error on pages, if the user has 'hide_follows' set and the request is not authenticated",
+    test "it returns a 403 error on pages, if the user has 'hide_follows' set and the request is from another user",
          %{conn: conn} do
-      user = insert(:user, hide_follows: true)
+      user = insert(:user)
+      user_two = insert(:user, hide_follows: true)
 
       result =
         conn
-        |> get("/users/#{user.nickname}/following?page=1")
+        |> assign(:user, user)
+        |> get("/users/#{user_two.nickname}/following?page=1")
 
       assert result.status == 403
       assert result.resp_body == ""
@@ -911,6 +1062,7 @@ test "it works for more than 10 users", %{conn: conn} do
 
       result =
         conn
+        |> assign(:user, user)
         |> get("/users/#{user.nickname}/following")
         |> json_response(200)
 
@@ -920,12 +1072,21 @@ test "it works for more than 10 users", %{conn: conn} do
 
       result =
         conn
+        |> assign(:user, user)
         |> get("/users/#{user.nickname}/following?page=2")
         |> json_response(200)
 
       assert length(result["orderedItems"]) == 5
       assert result["totalItems"] == 15
     end
+
+    test "returns 403 if requester is not logged in", %{conn: conn} do
+      user = insert(:user)
+
+      conn
+      |> get("/users/#{user.nickname}/following")
+      |> json_response(403)
+    end
   end
 
   describe "delivery tracking" do
@@ -1011,7 +1172,7 @@ test "it tracks a signed activity fetch when the json is cached", %{conn: conn}
   end
 
   describe "Additional ActivityPub C2S endpoints" do
-    test "/api/ap/whoami", %{conn: conn} do
+    test "GET /api/ap/whoami", %{conn: conn} do
       user = insert(:user)
 
       conn =
@@ -1022,12 +1183,16 @@ test "/api/ap/whoami", %{conn: conn} do
       user = User.get_cached_by_id(user.id)
 
       assert UserView.render("user.json", %{user: user}) == json_response(conn, 200)
+
+      conn
+      |> get("/api/ap/whoami")
+      |> json_response(403)
     end
 
     clear_config([:media_proxy])
     clear_config([Pleroma.Upload])
 
-    test "uploadMedia", %{conn: conn} do
+    test "POST /api/ap/upload_media", %{conn: conn} do
       user = insert(:user)
 
       desc = "Description of the image"
@@ -1047,67 +1212,10 @@ test "uploadMedia", %{conn: conn} do
       assert object["name"] == desc
       assert object["type"] == "Document"
       assert object["actor"] == user.ap_id
-    end
-  end
 
-  describe "when instance is not federating," do
-    clear_config([:instance, :federating]) do
-      Pleroma.Config.put([:instance, :federating], false)
-    end
-
-    test "returns 404 for GET routes", %{conn: conn} do
-      user = insert(:user)
-      conn = put_req_header(conn, "accept", "application/json")
-
-      get_uris = [
-        "/users/#{user.nickname}",
-        "/internal/fetch",
-        "/relay",
-        "/relay/following",
-        "/relay/followers"
-      ]
-
-      for get_uri <- get_uris do
-        conn
-        |> get(get_uri)
-        |> json_response(404)
-
-        conn
-        |> assign(:user, user)
-        |> get(get_uri)
-        |> json_response(404)
-      end
-    end
-
-    test "returns 404 for activity-related POST routes", %{conn: conn} do
-      user = insert(:user)
-
-      conn =
-        conn
-        |> assign(:valid_signature, true)
-        |> put_req_header("content-type", "application/activity+json")
-
-      post_activity_data =
-        "test/fixtures/mastodon-post-activity.json"
-        |> File.read!()
-        |> Poison.decode!()
-
-      post_activity_uris = [
-        "/inbox",
-        "/relay/inbox",
-        "/users/#{user.nickname}/inbox"
-      ]
-
-      for post_activity_uri <- post_activity_uris do
-        conn
-        |> post(post_activity_uri, post_activity_data)
-        |> json_response(404)
-
-        conn
-        |> assign(:user, user)
-        |> post(post_activity_uri, post_activity_data)
-        |> json_response(404)
-      end
+      conn
+      |> post("/api/ap/upload_media", %{"file" => image, "description" => desc})
+      |> json_response(403)
     end
   end
 end

test/web/feed/user_controller_test.exs

@@ -12,7 +12,7 @@ defmodule Pleroma.Web.Feed.UserControllerTest do
   alias Pleroma.Object
   alias Pleroma.User
 
-  clear_config_all([:instance, :federating]) do
+  clear_config([:instance, :federating]) do
     Config.put([:instance, :federating], true)
   end
 
@@ -82,160 +82,9 @@ test "returns 404 for a missing feed", %{conn: conn} do
     end
   end
 
+  # Note: see ActivityPubControllerTest for JSON format tests
   describe "feed_redirect" do
-    test "undefined format. it redirects to feed", %{conn: conn} do
-      note_activity = insert(:note_activity)
-      user = User.get_cached_by_ap_id(note_activity.data["actor"])
-
-      response =
-        conn
-        |> put_req_header("accept", "application/xml")
-        |> get("/users/#{user.nickname}")
-        |> response(302)
-
-      assert response ==
-               "<html><body>You are being <a href=\"#{Pleroma.Web.base_url()}/users/#{
-                 user.nickname
-               }/feed.atom\">redirected</a>.</body></html>"
-    end
-
-    test "undefined format. it returns error when user not found", %{conn: conn} do
-      response =
-        conn
-        |> put_req_header("accept", "application/xml")
-        |> get(user_feed_path(conn, :feed, "jimm"))
-        |> response(404)
-
-      assert response == ~S({"error":"Not found"})
-    end
-
-    test "activity+json format. it redirects on actual feed of user", %{conn: conn} do
-      note_activity = insert(:note_activity)
-      user = User.get_cached_by_ap_id(note_activity.data["actor"])
-
-      response =
-        conn
-        |> put_req_header("accept", "application/activity+json")
-        |> get("/users/#{user.nickname}")
-        |> json_response(200)
-
-      assert response["endpoints"] == %{
-               "oauthAuthorizationEndpoint" => "#{Pleroma.Web.base_url()}/oauth/authorize",
-               "oauthRegistrationEndpoint" => "#{Pleroma.Web.base_url()}/api/v1/apps",
-               "oauthTokenEndpoint" => "#{Pleroma.Web.base_url()}/oauth/token",
-               "sharedInbox" => "#{Pleroma.Web.base_url()}/inbox",
-               "uploadMedia" => "#{Pleroma.Web.base_url()}/api/ap/upload_media"
-             }
-
-      assert response["@context"] == [
-               "https://www.w3.org/ns/activitystreams",
-               "http://localhost:4001/schemas/litepub-0.1.jsonld",
-               %{"@language" => "und"}
-             ]
-
-      assert Map.take(response, [
-               "followers",
-               "following",
-               "id",
-               "inbox",
-               "manuallyApprovesFollowers",
-               "name",
-               "outbox",
-               "preferredUsername",
-               "summary",
-               "tag",
-               "type",
-               "url"
-             ]) == %{
-               "followers" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/followers",
-               "following" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/following",
-               "id" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}",
-               "inbox" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/inbox",
-               "manuallyApprovesFollowers" => false,
-               "name" => user.name,
-               "outbox" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/outbox",
-               "preferredUsername" => user.nickname,
-               "summary" => user.bio,
-               "tag" => [],
-               "type" => "Person",
-               "url" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}"
-             }
-    end
-
-    test "activity+json format. it returns error whe use not found", %{conn: conn} do
-      response =
-        conn
-        |> put_req_header("accept", "application/activity+json")
-        |> get("/users/jimm")
-        |> json_response(404)
-
-      assert response == "Not found"
-    end
-
-    test "json format. it redirects on actual feed of user", %{conn: conn} do
-      note_activity = insert(:note_activity)
-      user = User.get_cached_by_ap_id(note_activity.data["actor"])
-
-      response =
-        conn
-        |> put_req_header("accept", "application/json")
-        |> get("/users/#{user.nickname}")
-        |> json_response(200)
-
-      assert response["endpoints"] == %{
-               "oauthAuthorizationEndpoint" => "#{Pleroma.Web.base_url()}/oauth/authorize",
-               "oauthRegistrationEndpoint" => "#{Pleroma.Web.base_url()}/api/v1/apps",
-               "oauthTokenEndpoint" => "#{Pleroma.Web.base_url()}/oauth/token",
-               "sharedInbox" => "#{Pleroma.Web.base_url()}/inbox",
-               "uploadMedia" => "#{Pleroma.Web.base_url()}/api/ap/upload_media"
-             }
-
-      assert response["@context"] == [
-               "https://www.w3.org/ns/activitystreams",
-               "http://localhost:4001/schemas/litepub-0.1.jsonld",
-               %{"@language" => "und"}
-             ]
-
-      assert Map.take(response, [
-               "followers",
-               "following",
-               "id",
-               "inbox",
-               "manuallyApprovesFollowers",
-               "name",
-               "outbox",
-               "preferredUsername",
-               "summary",
-               "tag",
-               "type",
-               "url"
-             ]) == %{
-               "followers" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/followers",
-               "following" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/following",
-               "id" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}",
-               "inbox" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/inbox",
-               "manuallyApprovesFollowers" => false,
-               "name" => user.name,
-               "outbox" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}/outbox",
-               "preferredUsername" => user.nickname,
-               "summary" => user.bio,
-               "tag" => [],
-               "type" => "Person",
-               "url" => "#{Pleroma.Web.base_url()}/users/#{user.nickname}"
-             }
-    end
-
-    test "json format. it returns error whe use not found", %{conn: conn} do
-      response =
-        conn
-        |> put_req_header("accept", "application/json")
-        |> get("/users/jimm")
-        |> json_response(404)
-
-      assert response == "Not found"
-    end
-
-    test "html format. it redirects on actual feed of user", %{conn: conn} do
+    test "with html format, it redirects to user feed", %{conn: conn} do
       note_activity = insert(:note_activity)
       user = User.get_cached_by_ap_id(note_activity.data["actor"])
 
@@ -251,7 +100,7 @@ test "html format. it redirects on actual feed of user", %{conn: conn} do
                ).resp_body
     end
 
-    test "html format. it returns error when user not found", %{conn: conn} do
+    test "with html format, it returns error when user is not found", %{conn: conn} do
       response =
         conn
         |> get("/users/jimm")
@@ -259,30 +108,30 @@ test "html format. it returns error when user not found", %{conn: conn} do
 
       assert response == %{"error" => "Not found"}
     end
-  end
 
-  describe "feed_redirect (depending on federation enabled state)" do
-    setup %{conn: conn} do
-      user = insert(:user)
-      conn = put_req_header(conn, "accept", "application/json")
+    test "with non-html / non-json format, it redirects to user feed in atom format", %{
+      conn: conn
+    } do
+      note_activity = insert(:note_activity)
+      user = User.get_cached_by_ap_id(note_activity.data["actor"])
 
-      %{conn: conn, user: user}
+      conn =
+        conn
+        |> put_req_header("accept", "application/xml")
+        |> get("/users/#{user.nickname}")
+
+      assert conn.status == 302
+      assert redirected_to(conn) == "#{Pleroma.Web.base_url()}/users/#{user.nickname}/feed.atom"
     end
 
-    clear_config([:instance, :federating])
+    test "with non-html / non-json format, it returns error when user is not found", %{conn: conn} do
+      response =
+        conn
+        |> put_req_header("accept", "application/xml")
+        |> get(user_feed_path(conn, :feed, "jimm"))
+        |> response(404)
 
-    test "renders if instance is federating", %{conn: conn, user: user} do
-      Config.put([:instance, :federating], true)
-
-      conn = get(conn, "/users/#{user.nickname}")
-      assert json_response(conn, 200)
-    end
-
-    test "renders 404 if instance is NOT federating", %{conn: conn, user: user} do
-      Config.put([:instance, :federating], false)
-
-      conn = get(conn, "/users/#{user.nickname}")
-      assert json_response(conn, 404)
+      assert response == ~S({"error":"Not found"})
     end
   end
 end

test/web/media_proxy/media_proxy_controller_test.exs

@@ -52,9 +52,8 @@ test "redirects on valid url when filename invalidated", %{conn: conn} do
     url = Pleroma.Web.MediaProxy.encode_url("https://google.fn/test.png")
     invalid_url = String.replace(url, "test.png", "test-file.png")
     response = get(conn, invalid_url)
-    html = "<html><body>You are being <a href=\"#{url}\">redirected</a>.</body></html>"
     assert response.status == 302
-    assert response.resp_body == html
+    assert redirected_to(response) == url
   end
 
   test "it performs ReverseProxy.call when signature valid", %{conn: conn} do

test/web/ostatus/ostatus_controller_test.exs

@@ -7,6 +7,7 @@ defmodule Pleroma.Web.OStatus.OStatusControllerTest do
 
   import Pleroma.Factory
 
+  alias Pleroma.Config
   alias Pleroma.Object
   alias Pleroma.User
   alias Pleroma.Web.CommonAPI
@@ -16,22 +17,24 @@ defmodule Pleroma.Web.OStatus.OStatusControllerTest do
     :ok
   end
 
-  clear_config_all([:instance, :federating]) do
-    Pleroma.Config.put([:instance, :federating], true)
+  clear_config([:instance, :federating]) do
+    Config.put([:instance, :federating], true)
   end
 
-  describe "GET object/2" do
+  # Note: see ActivityPubControllerTest for JSON format tests
+  describe "GET /objects/:uuid (text/html)" do
+    setup %{conn: conn} do
+      conn = put_req_header(conn, "accept", "text/html")
+      %{conn: conn}
+    end
+
     test "redirects to /notice/id for html format", %{conn: conn} do
       note_activity = insert(:note_activity)
       object = Object.normalize(note_activity)
       [_, uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, object.data["id"]))
       url = "/objects/#{uuid}"
 
-      conn =
-        conn
-        |> put_req_header("accept", "text/html")
-        |> get(url)
-
+      conn = get(conn, url)
       assert redirected_to(conn) == "/notice/#{note_activity.id}"
     end
 
@@ -45,23 +48,25 @@ test "404s on private objects", %{conn: conn} do
       |> response(404)
     end
 
-    test "404s on nonexisting objects", %{conn: conn} do
+    test "404s on non-existing objects", %{conn: conn} do
       conn
       |> get("/objects/123")
       |> response(404)
     end
   end
 
-  describe "GET activity/2" do
+  # Note: see ActivityPubControllerTest for JSON format tests
+  describe "GET /activities/:uuid (text/html)" do
+    setup %{conn: conn} do
+      conn = put_req_header(conn, "accept", "text/html")
+      %{conn: conn}
+    end
+
     test "redirects to /notice/id for html format", %{conn: conn} do
       note_activity = insert(:note_activity)
       [_, uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, note_activity.data["id"]))
 
-      conn =
-        conn
-        |> put_req_header("accept", "text/html")
-        |> get("/activities/#{uuid}")
-
+      conn = get(conn, "/activities/#{uuid}")
       assert redirected_to(conn) == "/notice/#{note_activity.id}"
     end
 
@@ -79,19 +84,6 @@ test "404s on nonexistent activities", %{conn: conn} do
       |> get("/activities/123")
       |> response(404)
     end
-
-    test "gets an activity in AS2 format", %{conn: conn} do
-      note_activity = insert(:note_activity)
-      [_, uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, note_activity.data["id"]))
-      url = "/activities/#{uuid}"
-
-      conn =
-        conn
-        |> put_req_header("accept", "application/activity+json")
-        |> get(url)
-
-      assert json_response(conn, 200)
-    end
   end
 
   describe "GET notice/2" do
@@ -170,7 +162,7 @@ test "404s a private notice", %{conn: conn} do
       assert response(conn, 404)
     end
 
-    test "404s a nonexisting notice", %{conn: conn} do
+    test "404s a non-existing notice", %{conn: conn} do
       url = "/notice/123"
 
       conn =
@@ -179,10 +171,21 @@ test "404s a nonexisting notice", %{conn: conn} do
 
       assert response(conn, 404)
     end
+
+    test "it requires authentication if instance is NOT federating", %{
+      conn: conn
+    } do
+      user = insert(:user)
+      note_activity = insert(:note_activity)
+
+      conn = put_req_header(conn, "accept", "text/html")
+
+      ensure_federating_or_authenticated(conn, "/notice/#{note_activity.id}", user)
+    end
   end
 
   describe "GET /notice/:id/embed_player" do
-    test "render embed player", %{conn: conn} do
+    setup do
       note_activity = insert(:note_activity)
       object = Pleroma.Object.normalize(note_activity)
 
@@ -204,9 +207,11 @@ test "render embed player", %{conn: conn} do
       |> Ecto.Changeset.change(data: object_data)
       |> Pleroma.Repo.update()
 
-      conn =
-        conn
-        |> get("/notice/#{note_activity.id}/embed_player")
+      %{note_activity: note_activity}
+    end
+
+    test "renders embed player", %{conn: conn, note_activity: note_activity} do
+      conn = get(conn, "/notice/#{note_activity.id}/embed_player")
 
       assert Plug.Conn.get_resp_header(conn, "x-frame-options") == ["ALLOW"]
 
@@ -272,38 +277,19 @@ test "404s when attachment isn't audio or video", %{conn: conn} do
       |> Ecto.Changeset.change(data: object_data)
       |> Pleroma.Repo.update()
 
-      assert conn
-             |> get("/notice/#{note_activity.id}/embed_player")
-             |> response(404)
-    end
-  end
-
-  describe "when instance is not federating," do
-    clear_config([:instance, :federating]) do
-      Pleroma.Config.put([:instance, :federating], false)
+      conn
+      |> get("/notice/#{note_activity.id}/embed_player")
+      |> response(404)
     end
 
-    test "returns 404 for GET routes", %{conn: conn} do
-      conn = put_req_header(conn, "accept", "application/json")
+    test "it requires authentication if instance is NOT federating", %{
+      conn: conn,
+      note_activity: note_activity
+    } do
+      user = insert(:user)
+      conn = put_req_header(conn, "accept", "text/html")
 
-      note_activity = insert(:note_activity, local: true)
-      [_, activity_uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, note_activity.data["id"]))
-
-      object = Object.normalize(note_activity)
-      [_, object_uuid] = hd(Regex.scan(~r/.+\/([\w-]+)$/, object.data["id"]))
-
-      get_uris = [
-        "/activities/#{activity_uuid}",
-        "/objects/#{object_uuid}",
-        "/notice/#{note_activity.id}",
-        "/notice/#{note_activity.id}/embed_player"
-      ]
-
-      for get_uri <- get_uris do
-        conn
-        |> get(get_uri)
-        |> json_response(404)
-      end
+      ensure_federating_or_authenticated(conn, "/notice/#{note_activity.id}/embed_player", user)
     end
   end
 end