Federate object id for posts in ostatus.

This is because ostatus doens't have an id for the activities.

lib/pleroma/web/ostatus/activity_representer.ex

@@ -3,13 +3,7 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
   require Logger
 
   defp get_in_reply_to(%{"object" => %{ "inReplyTo" => in_reply_to}}) do
-    with %Activity{data: %{"id" => id}} <- Activity.get_create_activity_by_object_ap_id(in_reply_to) do
+    [{:"thr:in-reply-to", [ref: to_charlist(in_reply_to)], []}]
-      [{:"thr:in-reply-to", [ref: to_charlist(id)], []}]
-    else _e ->
-      Logger.debug("Couldn't find replied-to activity:")
-      Logger.debug(in_reply_to)
-      []
-    end
   end
 
   defp get_in_reply_to(_), do: []
@@ -32,7 +26,7 @@ def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user)
     [
       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
-      {:id, h.(activity.data["id"])},
+      {:id, h.(activity.data["object"]["id"])}, # For notes, federate the object id.
       {:title, ['New note by #{user.nickname}']},
       {:content, [type: 'html'], h.(activity.data["object"]["content"])},
       {:published, h.(inserted_at)},

lib/pleroma/web/ostatus/ostatus.ex

@@ -69,6 +69,7 @@ def handle_note(entry, doc \\ nil) do
     id = string_from_xpath("/entry/id", entry)
 
     object = %{
+      "id" => id,
       "type" => "Note",
       "to" => to,
       "content" => content_html,
@@ -85,7 +86,7 @@ def handle_note(entry, doc \\ nil) do
       object
     end
 
-    ActivityPub.create(to, actor, context, object, %{"id" => id}, date)
+    ActivityPub.create(to, actor, context, object, %{}, date)
   end
 
   def find_or_make_user(uri) do

test/web/ostatus/activity_representer_test.exs

@@ -18,7 +18,7 @@ test "a note activity" do
     expected = """
     <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
     <activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
-    <id>#{note_activity.data["id"]}</id>
+    <id>#{note_activity.data["object"]["id"]}</id>
     <title>New note by #{user.nickname}</title>
     <content type="html">#{note_activity.data["object"]["content"]}</content>
     <published>#{inserted_at}</published>
@@ -53,14 +53,14 @@ test "a reply note" do
     expected = """
     <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
     <activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
-    <id>#{answer.data["id"]}</id>
+    <id>#{answer.data["object"]["id"]}</id>
     <title>New note by #{user.nickname}</title>
     <content type="html">#{answer.data["object"]["content"]}</content>
     <published>#{inserted_at}</published>
     <updated>#{updated_at}</updated>
     <ostatus:conversation>#{answer.data["context"]}</ostatus:conversation>
     <link href="#{answer.data["context"]}" rel="ostatus:conversation" />
-    <thr:in-reply-to ref="#{note.data["id"]}" />
+    <thr:in-reply-to ref="#{note.data["object"]["id"]}" />
     """
 
     tuple = ActivityRepresenter.to_simple_form(answer, user)

test/web/ostatus/ostatus_test.exs

@@ -7,8 +7,8 @@ test "handle incoming note - GS, Salmon" do
     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 
     assert activity.data["type"] == "Create"
-    assert activity.data["id"] == "tag:gs.example.org:4040,2017-04-23:noticeId=29:objectType=note"
     assert activity.data["object"]["type"] == "Note"
+    assert activity.data["object"]["id"] == "tag:gs.example.org:4040,2017-04-23:noticeId=29:objectType=note"
     assert activity.data["published"] == "2017-04-23T14:51:03+00:00"
     assert activity.data["context"] == "tag:gs.example.org:4040,2017-04-23:objectType=thread:nonce=f09e22f58abd5c7b"
     assert "http://pleroma.example.org:4000/users/lain3" in activity.data["to"]