Merge branch '210_twitter_api_uploads_alt_text' into 'develop'

[#210] TwitterAPI: alt text support for uploaded images. Mastodon API uploads security fix.

See merge request pleroma/pleroma!496

test/support/data_case.ex

@@ -36,6 +36,23 @@ defmodule Pleroma.DataCase do
     :ok
   end
 
+  def ensure_local_uploader(_context) do
+    uploader = Pleroma.Config.get([Pleroma.Upload, :uploader])
+    filters = Pleroma.Config.get([Pleroma.Upload, :filters])
+
+    unless uploader == Pleroma.Uploaders.Local || filters != [] do
+      Pleroma.Config.put([Pleroma.Upload, :uploader], Pleroma.Uploaders.Local)
+      Pleroma.Config.put([Pleroma.Upload, :filters], [])
+
+      on_exit(fn ->
+        Pleroma.Config.put([Pleroma.Upload, :uploader], uploader)
+        Pleroma.Config.put([Pleroma.Upload, :filters], filters)
+      end)
+    end
+
+    :ok
+  end
+
   @doc """
   A helper that transform changeset errors to a map of messages.
 

test/upload_test.exs

@@ -3,22 +3,7 @@ defmodule Pleroma.UploadTest do
   use Pleroma.DataCase
 
   describe "Storing a file with the Local uploader" do
-    setup do
-      uploader = Pleroma.Config.get([Pleroma.Upload, :uploader])
-      filters = Pleroma.Config.get([Pleroma.Upload, :filters])
-
-      unless uploader == Pleroma.Uploaders.Local || filters != [] do
-        Pleroma.Config.put([Pleroma.Upload, :uploader], Pleroma.Uploaders.Local)
-        Pleroma.Config.put([Pleroma.Upload, :filters], [])
-
-        on_exit(fn ->
-          Pleroma.Config.put([Pleroma.Upload, :uploader], uploader)
-          Pleroma.Config.put([Pleroma.Upload, :filters], filters)
-        end)
-      end
-
-      :ok
-    end
+    setup [:ensure_local_uploader]
 
     test "returns a media url" do
       File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")

test/web/mastodon_api/mastodon_api_controller_test.exs

@@ -2,7 +2,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
   use Pleroma.Web.ConnCase
 
   alias Pleroma.Web.TwitterAPI.TwitterAPI
-  alias Pleroma.{Repo, User, Activity, Notification}
+  alias Pleroma.{Repo, User, Object, Activity, Notification}
   alias Pleroma.Web.{OStatus, CommonAPI}
   alias Pleroma.Web.ActivityPub.ActivityPub
 
@@ -810,7 +810,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
       }
 
       media =
-        TwitterAPI.upload(file, "json")
+        TwitterAPI.upload(file, user, "json")
         |> Poison.decode!()
 
       {:ok, image_post} =
@@ -965,6 +965,10 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
 
     assert media["type"] == "image"
     assert media["description"] == desc
+    assert media["id"]
+
+    object = Repo.get(Object, media["id"])
+    assert object.data["actor"] == User.ap_id(user)
   end
 
   test "hashtag timeline", %{conn: conn} do

test/web/twitter_api/twitter_api_controller_test.exs

@@ -1376,4 +1376,82 @@ defmodule Pleroma.Web.TwitterAPI.ControllerTest do
       assert [user.id, user_two.id, user_three.id] == Enum.map(resp, fn %{"id" => id} -> id end)
     end
   end
+
+  describe "POST /api/media/upload" do
+    setup context do
+      Pleroma.DataCase.ensure_local_uploader(context)
+    end
+
+    test "it performs the upload and sets `data[actor]` with AP id of uploader user", %{
+      conn: conn
+    } do
+      user = insert(:user)
+
+      upload_filename = "test/fixtures/image_tmp.jpg"
+      File.cp!("test/fixtures/image.jpg", upload_filename)
+
+      file = %Plug.Upload{
+        content_type: "image/jpg",
+        path: Path.absname(upload_filename),
+        filename: "image.jpg"
+      }
+
+      response =
+        conn
+        |> assign(:user, user)
+        |> put_req_header("content-type", "application/octet-stream")
+        |> post("/api/media/upload", %{
+          "media" => file
+        })
+        |> json_response(:ok)
+
+      assert response["media_id"]
+      object = Repo.get(Object, response["media_id"])
+      assert object
+      assert object.data["actor"] == User.ap_id(user)
+    end
+  end
+
+  describe "POST /api/media/metadata/create" do
+    setup do
+      object = insert(:note)
+      user = User.get_by_ap_id(object.data["actor"])
+      %{object: object, user: user}
+    end
+
+    test "it returns :forbidden status on attempt to modify someone else's upload", %{
+      conn: conn,
+      object: object
+    } do
+      initial_description = object.data["name"]
+      another_user = insert(:user)
+
+      conn
+      |> assign(:user, another_user)
+      |> post("/api/media/metadata/create", %{"media_id" => object.id})
+      |> json_response(:forbidden)
+
+      object = Repo.get(Object, object.id)
+      assert object.data["name"] == initial_description
+    end
+
+    test "it updates `data[name]` of referenced Object with provided value", %{
+      conn: conn,
+      object: object,
+      user: user
+    } do
+      description = "Informative description of the image. Initial value: #{object.data["name"]}}"
+
+      conn
+      |> assign(:user, user)
+      |> post("/api/media/metadata/create", %{
+        "media_id" => object.id,
+        "alt_text" => %{"text" => description}
+      })
+      |> json_response(:no_content)
+
+      object = Repo.get(Object, object.id)
+      assert object.data["name"] == description
+    end
+  end
 end

test/web/twitter_api/twitter_api_test.exs

@@ -182,13 +182,15 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPITest do
   end
 
   test "upload a file" do
+    user = insert(:user)
+
     file = %Plug.Upload{
       content_type: "image/jpg",
       path: Path.absname("test/fixtures/image.jpg"),
       filename: "an_image.jpg"
     }
 
-    response = TwitterAPI.upload(file)
+    response = TwitterAPI.upload(file, user)
 
     assert is_binary(response)
   end