Merge branch 'handle_object_fetch_failures' into 'develop'

Handle object fetch failures gracefully

See merge request pleroma/pleroma!4015

lib/pleroma/workers/remote_fetcher_worker.ex

@@ -9,7 +9,22 @@ defmodule Pleroma.Workers.RemoteFetcherWorker do
 
   @impl Oban.Worker
   def perform(%Job{args: %{"op" => "fetch_remote", "id" => id} = args}) do
-    {:ok, _object} = Fetcher.fetch_object_from_id(id, depth: args["depth"])
+    case Fetcher.fetch_object_from_id(id, depth: args["depth"]) do
+      {:ok, _object} ->
+        :ok
+
+      {:error, :forbidden} ->
+        {:discard, :forbidden}
+
+      {:error, :not_found} ->
+        {:discard, :not_found}
+
+      {:error, :allowed_depth} ->
+        {:discard, :allowed_depth}
+
+      _ ->
+        :error
+    end
   end
 
   @impl Oban.Worker