Merge branch 'backendhack' into 'develop'

[akkoma] / lib / pleroma / web / activity_pub / transmogrifier.ex

diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 39e2bb8a9985821f8b0dc98fe7eccb61da7abecf..1367bc7e3b276d6a4bca2f15267a8f4cf255f3de 100644 (file)
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -42,6 +42,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     |> fix_emoji
     |> fix_tag
     |> fix_content_map
+    |> fix_likes
     |> fix_addressing
   end
 
@@ -67,6 +68,20 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     |> Map.put("actor", get_actor(%{"actor" => actor}))
   end
 
+  def fix_likes(%{"likes" => likes} = object)
+      when is_bitstring(likes) do
+    # Check for standardisation
+    # This is what Peertube does
+    # curl -H 'Accept: application/activity+json' $likes | jq .totalItems
+    object
+    |> Map.put("likes", [])
+    |> Map.put("like_count", 0)
+  end
+
+  def fix_likes(object) do
+    object
+  end
+
   def fix_in_reply_to(%{"inReplyTo" => in_reply_to_id} = object)
       when not is_nil(in_reply_to_id) do
     case ActivityPub.fetch_object_from_id(in_reply_to_id) do
@@ -94,8 +109,11 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   def fix_in_reply_to(object), do: object
 
   def fix_context(object) do
+    context = object["context"] || object["conversation"] || Utils.generate_context_id()
+
     object
-    |> Map.put("context", object["conversation"])
+    |> Map.put("context", context)
+    |> Map.put("conversation", context)
   end
 
   def fix_attachments(object) do
@@ -159,11 +177,17 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
 
   def fix_content_map(object), do: object
 
+  # disallow objects with bogus IDs
+  def handle_incoming(%{"id" => nil}), do: :error
+  def handle_incoming(%{"id" => ""}), do: :error
+  # length of https:// = 8, should validate better, but good enough for now.
+  def handle_incoming(%{"id" => id}) when not (is_binary(id) and length(id) > 8), do: :error
+
   # TODO: validate those with a Ecto scheme
   # - tags
   # - emoji
   def handle_incoming(%{"type" => "Create", "object" => %{"type" => objtype} = object} = data)
-      when objtype in ["Article", "Note"] do
+      when objtype in ["Article", "Note", "Video"] do
     actor = get_actor(data)
 
     data =