1 files changed, 23 insertions, 50 deletions

diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 63dd227c1..39c8f7e39 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -7,7 +7,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   A module to handle coding from internal to wire ActivityPub and back.
   """
   alias Pleroma.Activity
-  alias Pleroma.EarmarkRenderer
   alias Pleroma.EctoType.ActivityPub.ObjectValidators
   alias Pleroma.Maps
   alias Pleroma.Object
@@ -41,11 +40,11 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     |> fix_in_reply_to(options)
     |> fix_emoji
     |> fix_tag
+    |> set_sensitive
     |> fix_content_map
     |> fix_addressing
     |> fix_summary
     |> fix_type(options)
-    |> fix_content
   end
 
   def fix_summary(%{"summary" => nil} = object) do
@@ -168,7 +167,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object, options)
       when not is_nil(in_reply_to) do
     in_reply_to_id = prepare_in_reply_to(in_reply_to)
-    object = Map.put(object, "inReplyToAtomUri", in_reply_to_id)
     depth = (options[:depth] || 0) + 1
 
     if Federator.allowed_thread_distance?(depth) do
@@ -176,9 +174,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
            %Activity{} <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do
         object
         |> Map.put("inReplyTo", replied_object.data["id"])
-        |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
         |> Map.put("context", replied_object.data["context"] || object["conversation"])
-        |> Map.drop(["conversation"])
+        |> Map.drop(["conversation", "inReplyToAtomUri"])
       else
         e ->
           Logger.warn("Couldn't fetch #{inspect(in_reply_to_id)}, error: #{inspect(e)}")
@@ -276,24 +273,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     Map.put(object, "url", url["href"])
   end
 
-  def fix_url(%{"type" => "Video", "url" => url} = object) when is_list(url) do
-    attachment =
-      Enum.find(url, fn x ->
-        media_type = x["mediaType"] || x["mimeType"] || ""
-
-        is_map(x) and String.starts_with?(media_type, "video/")
-      end)
-
-    link_element =
-      Enum.find(url, fn x -> is_map(x) and (x["mediaType"] || x["mimeType"]) == "text/html" end)
-
-    object
-    |> Map.put("attachment", [attachment])
-    |> Map.put("url", link_element["href"])
-  end
-
-  def fix_url(%{"type" => object_type, "url" => url} = object)
-      when object_type != "Video" and is_list(url) do
+  def fix_url(%{"url" => url} = object) when is_list(url) do
     first_element = Enum.at(url, 0)
 
     url_string =
@@ -318,9 +298,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
         Map.put(mapping, name, data["icon"]["url"])
       end)
 
-    # we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
-    emoji = Map.merge(object["emoji"] || %{}, emoji)
-
     Map.put(object, "emoji", emoji)
   end
 
@@ -337,19 +314,21 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     tags =
       tag
       |> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
-      |> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
+      |> Enum.map(fn %{"name" => name} ->
+        name
+        |> String.slice(1..-1)
+        |> String.downcase()
+      end)
 
     Map.put(object, "tag", tag ++ tags)
   end
 
-  def fix_tag(%{"tag" => %{"type" => "Hashtag", "name" => hashtag} = tag} = object) do
-    combined = [tag, String.slice(hashtag, 1..-1)]
-
-    Map.put(object, "tag", combined)
+  def fix_tag(%{"tag" => %{} = tag} = object) do
+    object
+    |> Map.put("tag", [tag])
+    |> fix_tag
   end
 
-  def fix_tag(%{"tag" => %{} = tag} = object), do: Map.put(object, "tag", [tag])
-
   def fix_tag(object), do: object
 
   # content map usually only has one language so this will do for now.
@@ -376,18 +355,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
 
   def fix_type(object, _), do: object
 
-  defp fix_content(%{"mediaType" => "text/markdown", "content" => content} = object)
-       when is_binary(content) do
-    html_content =
-      content
-      |> Earmark.as_html!(%Earmark.Options{renderer: EarmarkRenderer})
-      |> Pleroma.HTML.filter_tags()
-
-    Map.merge(object, %{"content" => html_content, "mediaType" => "text/html"})
-  end
-
-  defp fix_content(object), do: object
-
   # Reduce the object list to find the reported user.
   defp get_reported(objects) do
     Enum.reduce_while(objects, nil, fn ap_id, _ ->
@@ -460,7 +427,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
         %{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
         options
       )
-      when objtype in ~w{Article Note Video Page} do
+      when objtype in ~w{Note Page} do
     actor = Containment.get_actor(data)
 
     with nil <- Activity.get_create_by_object_ap_id(object["id"]),
@@ -551,13 +518,19 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   end
 
   def handle_incoming(
-        %{"type" => "Create", "object" => %{"type" => objtype}} = data,
+        %{"type" => "Create", "object" => %{"type" => objtype, "id" => obj_id}} = data,
         _options
       )
-      when objtype in ~w{Question Answer ChatMessage Audio Event} do
+      when objtype in ~w{Question Answer ChatMessage Audio Video Event Article} do
+    data = Map.put(data, "object", strip_internal_fields(data["object"]))
+
     with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
+         nil <- Activity.get_create_by_object_ap_id(obj_id),
          {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
       {:ok, activity}
+    else
+      %Activity{} = activity -> {:ok, activity}
+      e -> e
     end
   end
 
@@ -957,7 +930,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     Map.put(object, "conversation", object["context"])
   end
 
-  def set_sensitive(%{"sensitive" => true} = object) do
+  def set_sensitive(%{"sensitive" => _} = object) do
     object
   end
 
@@ -1034,7 +1007,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
 
   def upgrade_user_from_ap_id(ap_id) do
     with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id),
-         {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
+         {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id, force_http: true),
          {:ok, user} <- update_user(user, data) do
       TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
       {:ok, user}