Merge remote-tracking branch 'remotes/origin/develop' into 1505-threads-federation

[akkoma] / lib / pleroma / web / federator / federator.ex

diff --git a/lib/pleroma/web/federator/federator.ex b/lib/pleroma/web/federator/federator.ex
index e8a56ebd706d7f243328c7cad05202bcf1b5a626..013fb5b70d29e349ef8bd7b484076a9df10b7d3e 100644 (file)
--- a/lib/pleroma/web/federator/federator.ex
+++ b/lib/pleroma/web/federator/federator.ex
@@ -15,13 +15,19 @@ defmodule Pleroma.Web.Federator do
 
   require Logger
 
-  @doc "Addresses [memory leaks on recursive replies fetching](https://git.pleroma.social/pleroma/pleroma/issues/161)"
+  @doc """
+  Returns `true` if the distance to target object does not exceed max configured value.
+  Serves to prevent fetching of very long threads, especially useful on smaller instances.
+  Addresses [memory leaks on recursive replies fetching](https://git.pleroma.social/pleroma/pleroma/issues/161).
+  Applies to fetching of both ancestor (reply-to) and child (reply) objects.
+  """
   # credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength
-  def allowed_incoming_reply_depth?(depth) do
-    max_replies_depth = Pleroma.Config.get([:instance, :federation_incoming_replies_max_depth])
+  def allowed_thread_distance?(distance) do
+    max_distance = Pleroma.Config.get([:instance, :federation_incoming_replies_max_depth])
 
-    if max_replies_depth do
-      (depth || 1) <= max_replies_depth
+    if max_distance && max_distance >= 0 do
+      # Default depth is 0 (an object has zero distance from itself in its thread)
+      (distance || 0) <= max_distance
     else
       true
     end
@@ -58,7 +64,7 @@ defmodule Pleroma.Web.Federator do
   end
 
   def perform(:incoming_ap_doc, params) do
-    Logger.info("Handling incoming AP activity")
+    Logger.debug("Handling incoming AP activity")
 
     params = Utils.normalize_params(params)
 
@@ -71,13 +77,13 @@ defmodule Pleroma.Web.Federator do
       {:ok, activity}
     else
       %Activity{} ->
-        Logger.info("Already had #{params["id"]}")
+        Logger.debug("Already had #{params["id"]}")
         :error
 
       _e ->
         # Just drop those for now
-        Logger.info("Unhandled activity")
-        Logger.info(Jason.encode!(params, pretty: true))
+        Logger.debug("Unhandled activity")
+        Logger.debug(Jason.encode!(params, pretty: true))
         :error
     end
   end