From f889400d05e86d8d9509577946a0ab3a55b3eabb Mon Sep 17 00:00:00 2001
From: lain <lain@soykaf.club>
Date: Wed, 5 Aug 2020 14:51:33 +0200
Subject: [PATCH] Questions: Move fixes to validators.

---
 .../create_generic_validator.ex               | 19 +++++++++++++++++--
 .../object_validators/question_validator.ex   | 10 ++++++++--
 .../web/activity_pub/transmogrifier.ex        | 11 ++---------
 .../web/mastodon_api/views/poll_view.ex       |  4 ++--
 4 files changed, 29 insertions(+), 15 deletions(-)

diff --git a/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex b/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex
index 2569df7f6..60868eae0 100644
--- a/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex
@@ -29,7 +29,9 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateGenericValidator do
     field(:context, :string)
   end
 
-  def cast_data(data) do
+  def cast_data(data, meta \\ []) do
+    data = fix(data, meta)
+
     %__MODULE__{}
     |> changeset(data)
   end
@@ -42,7 +44,7 @@ def cast_and_apply(data) do
 
   def cast_and_validate(data, meta \\ []) do
     data
-    |> cast_data
+    |> cast_data(meta)
     |> validate_data(meta)
   end
 
@@ -51,6 +53,19 @@ def changeset(struct, data) do
     |> cast(data, __schema__(:fields))
   end
 
+  defp fix_context(data, meta) do
+    if object = meta[:object_data] do
+      Map.put_new(data, "context", object["context"])
+    else
+      data
+    end
+  end
+
+  defp fix(data, meta) do
+    data
+    |> fix_context(meta)
+  end
+
   def validate_data(cng, meta \\ []) do
     cng
     |> validate_required([:actor, :type, :object])
diff --git a/lib/pleroma/web/activity_pub/object_validators/question_validator.ex b/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
index 694cb6730..f47acf606 100644
--- a/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
@@ -83,17 +83,23 @@ defp fix_closed(data) do
 
   # based on Pleroma.Web.ActivityPub.Utils.lazy_put_objects_defaults
   defp fix_defaults(data) do
-    %{data: %{"id" => context}, id: context_id} = Utils.create_context(data["context"])
+    %{data: %{"id" => context}, id: context_id} =
+      Utils.create_context(data["context"] || data["conversation"])
 
     data
-    |> Map.put_new_lazy("id", &Utils.generate_object_id/0)
     |> Map.put_new_lazy("published", &Utils.make_date/0)
     |> Map.put_new("context", context)
     |> Map.put_new("context_id", context_id)
   end
 
+  defp fix_attribution(data) do
+    data
+    |> Map.put_new("actor", data["attributedTo"])
+  end
+
   defp fix(data) do
     data
+    |> fix_attribution()
     |> fix_closed()
     |> fix_defaults()
   end
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index f85a26679..7381d4476 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -634,17 +634,10 @@ def handle_incoming(
   end
 
   def handle_incoming(
-        %{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
+        %{"type" => "Create", "object" => %{"type" => objtype}} = data,
         _options
       )
-      when objtype in ["Question", "Answer"] do
-    data =
-      data
-      |> Map.put("object", fix_object(object))
-      |> fix_addressing()
-
-    data = Map.put_new(data, "context", data["object"]["context"])
-
+      when objtype in ["Question", "Answer", "ChatMessage"] do
     with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
          {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
       {:ok, activity}
diff --git a/lib/pleroma/web/mastodon_api/views/poll_view.ex b/lib/pleroma/web/mastodon_api/views/poll_view.ex
index 1bfc99259..1208dc9a0 100644
--- a/lib/pleroma/web/mastodon_api/views/poll_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/poll_view.ex
@@ -28,10 +28,10 @@ def render("show.json", %{object: object, multiple: multiple, options: options}
 
   def render("show.json", %{object: object} = params) do
     case object.data do
-      %{"anyOf" => [ _ | _] = options} ->
+      %{"anyOf" => [_ | _] = options} ->
         render(__MODULE__, "show.json", Map.merge(params, %{multiple: true, options: options}))
 
-      %{"oneOf" => [ _ | _] = options} ->
+      %{"oneOf" => [_ | _] = options} ->
         render(__MODULE__, "show.json", Map.merge(params, %{multiple: false, options: options}))
 
       _ ->