Publisher job simplification

Publisher jobs now store the the activity id instead of inserting duplicate JSON data in the Oban queue for each delivery.

changelog.d/publisher.change

@@ -0,0 +1 @@
+Publisher jobs now store the the activity id instead of inserting duplicate JSON data in the Oban queue for each delivery.

lib/pleroma/web/activity_pub/publisher.ex

@@ -80,13 +80,26 @@ def representable?(%Activity{} = activity) do
   parameters set:
 
   * `inbox`: the inbox to publish to
-  * `json`: the JSON message body representing the ActivityPub message
   * `actor`: the actor which is signing the message
-  * `id`: the ActivityStreams URI of the message
+  * `activity_id`: the internal activity id
+  * `cc`: the cc recipients relevant to this inbox (optional)
   """
-  def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = params) do
-    Logger.debug("Federating #{id} to #{inbox}")
+  def publish_one(%{inbox: inbox, actor: %User{} = actor, activity_id: activity_id} = params) do
+    activity = Activity.get_by_id(activity_id)
+
+    ap_id = activity.data["id"]
+    Logger.debug("Federating #{ap_id} to #{inbox}")
     uri = %{path: path} = URI.parse(inbox)
+
+    {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
+
+    cc = Map.get(params, :cc)
+
+    json =
+      data
+      |> Map.put("cc", cc)
+      |> Jason.encode!()
+
     digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())
 
     date = Pleroma.Signature.signed_date()
@@ -119,7 +132,7 @@ def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = pa
     else
       {_post_result, %{status: code} = response} = e ->
         unless params[:unreachable_since], do: Instances.set_unreachable(inbox)
-        Logger.metadata(activity: id, inbox: inbox, status: code)
+        Logger.metadata(id: activity_id, inbox: inbox, status: code)
         Logger.error("Publisher failed to inbox #{inbox} with status #{code}")
 
         case response do
@@ -136,7 +149,7 @@ def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = pa
 
       e ->
         unless params[:unreachable_since], do: Instances.set_unreachable(inbox)
-        Logger.metadata(activity: id, inbox: inbox)
+        Logger.metadata(activity: activity_id, inbox: inbox)
         Logger.error("Publisher failed to inbox #{inbox} #{inspect(e)}")
         {:error, e}
     end
@@ -251,7 +264,6 @@ def determine_inbox(
   def publish(%User{} = actor, %{data: %{"bcc" => bcc}} = activity)
       when is_list(bcc) and bcc != [] do
     public = public?(activity)
-    {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
 
     [priority_recipients, recipients] = recipients(actor, activity)
 
@@ -276,16 +288,11 @@ def publish(%User{} = actor, %{data: %{"bcc" => bcc}} = activity)
           # instance would only accept a first message for the first recipient and ignore the rest.
           cc = get_cc_ap_ids(ap_id, recipients)
 
-          json =
-            data
-            |> Map.put("cc", cc)
-            |> Jason.encode!()
-
           __MODULE__.enqueue_one(%{
             inbox: inbox,
-            json: json,
+            cc: cc,
             actor_id: actor.id,
-            id: activity.data["id"],
+            activity_id: activity.id,
             unreachable_since: unreachable_since
           })
         end)
@@ -302,9 +309,6 @@ def publish(%User{} = actor, %Activity{} = activity) do
       Relay.publish(activity)
     end
 
-    {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
-    json = Jason.encode!(data)
-
     [priority_inboxes, inboxes] =
       recipients(actor, activity)
       |> Enum.map(fn recipients ->
@@ -326,9 +330,8 @@ def publish(%User{} = actor, %Activity{} = activity) do
         __MODULE__.enqueue_one(
           %{
             inbox: inbox,
-            json: json,
             actor_id: actor.id,
-            id: activity.data["id"],
+            activity_id: activity.id,
             unreachable_since: unreachable_since
           },
           priority: priority

test/pleroma/web/activity_pub/publisher_test.exs

@@ -137,6 +137,7 @@ test "it returns inbox for messages involving single recipients in total" do
     test "publish to url with with different ports" do
       inbox80 = "http://42.site/users/nick1/inbox"
       inbox42 = "http://42.site:42/users/nick1/inbox"
+      activity = insert(:note_activity)
 
       mock(fn
         %{method: :post, url: "http://42.site:42/users/nick1/inbox"} ->
@@ -151,18 +152,16 @@ test "publish to url with with different ports" do
       assert {:ok, %{body: "port 42"}} =
                Publisher.publish_one(%{
                  inbox: inbox42,
-                 json: "{}",
                  actor: actor,
-                 id: 1,
+                 activity_id: activity.id,
                  unreachable_since: true
                })
 
       assert {:ok, %{body: "port 80"}} =
                Publisher.publish_one(%{
                  inbox: inbox80,
-                 json: "{}",
                  actor: actor,
-                 id: 1,
+                 activity_id: activity.id,
                  unreachable_since: true
                })
     end
@@ -173,8 +172,11 @@ test "publish to url with with different ports" do
                    [] do
       actor = insert(:user)
       inbox = "http://200.site/users/nick1/inbox"
+      activity = insert(:note_activity)
+
+      assert {:ok, _} =
+               Publisher.publish_one(%{inbox: inbox, actor: actor, activity_id: activity.id})
 
-      assert {:ok, _} = Publisher.publish_one(%{inbox: inbox, json: "{}", actor: actor, id: 1})
       assert called(Instances.set_reachable(inbox))
     end
 
@@ -184,13 +186,13 @@ test "publish to url with with different ports" do
                    [] do
       actor = insert(:user)
       inbox = "http://200.site/users/nick1/inbox"
+      activity = insert(:note_activity)
 
       assert {:ok, _} =
                Publisher.publish_one(%{
                  inbox: inbox,
-                 json: "{}",
                  actor: actor,
-                 id: 1,
+                 activity_id: activity.id,
                  unreachable_since: NaiveDateTime.utc_now()
                })
 
@@ -203,13 +205,13 @@ test "publish to url with with different ports" do
                    [] do
       actor = insert(:user)
       inbox = "http://200.site/users/nick1/inbox"
+      activity = insert(:note_activity)
 
       assert {:ok, _} =
                Publisher.publish_one(%{
                  inbox: inbox,
-                 json: "{}",
                  actor: actor,
-                 id: 1,
+                 activity_id: activity.id,
                  unreachable_since: nil
                })
 
@@ -222,9 +224,10 @@ test "publish to url with with different ports" do
                    [] do
       actor = insert(:user)
       inbox = "http://404.site/users/nick1/inbox"
+      activity = insert(:note_activity)
 
       assert {:cancel, _} =
-               Publisher.publish_one(%{inbox: inbox, json: "{}", actor: actor, id: 1})
+               Publisher.publish_one(%{inbox: inbox, actor: actor, activity_id: activity.id})
 
       assert called(Instances.set_unreachable(inbox))
     end
@@ -235,10 +238,15 @@ test "publish to url with with different ports" do
                    [] do
       actor = insert(:user)
       inbox = "http://connrefused.site/users/nick1/inbox"
+      activity = insert(:note_activity)
 
       assert capture_log(fn ->
                assert {:error, _} =
-                        Publisher.publish_one(%{inbox: inbox, json: "{}", actor: actor, id: 1})
+                        Publisher.publish_one(%{
+                          inbox: inbox,
+                          actor: actor,
+                          activity_id: activity.id
+                        })
              end) =~ "connrefused"
 
       assert called(Instances.set_unreachable(inbox))
@@ -250,8 +258,10 @@ test "publish to url with with different ports" do
                    [] do
       actor = insert(:user)
       inbox = "http://200.site/users/nick1/inbox"
+      activity = insert(:note_activity)
 
-      assert {:ok, _} = Publisher.publish_one(%{inbox: inbox, json: "{}", actor: actor, id: 1})
+      assert {:ok, _} =
+               Publisher.publish_one(%{inbox: inbox, actor: actor, activity_id: activity.id})
 
       refute called(Instances.set_unreachable(inbox))
     end
@@ -262,14 +272,14 @@ test "publish to url with with different ports" do
                    [] do
       actor = insert(:user)
       inbox = "http://connrefused.site/users/nick1/inbox"
+      activity = insert(:note_activity)
 
       assert capture_log(fn ->
                assert {:error, _} =
                         Publisher.publish_one(%{
                           inbox: inbox,
-                          json: "{}",
                           actor: actor,
-                          id: 1,
+                          activity_id: activity.id,
                           unreachable_since: NaiveDateTime.utc_now()
                         })
              end) =~ "connrefused"
@@ -406,7 +416,7 @@ test "publish to url with with different ports" do
                Publisher.enqueue_one(%{
                  inbox: "https://domain.com/users/nick1/inbox",
                  actor_id: actor.id,
-                 id: note_activity.data["id"]
+                 activity_id: note_activity.id
                })
              )
     end