MRF Policies: Return a {:reject, reason} instead of {:reject, nil}

[akkoma] / lib / pleroma / web / activity_pub / mrf / anti_link_spam_policy.ex

diff --git a/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex b/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex
index d2738659101d2140399ccfb3c5ae1f0e4cb868d8..b224641114550e0f1d37240840ba34e20b0312c4 100644 (file)
--- a/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do
@@ -11,12 +11,13 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do
 
   # has the user successfully posted before?
   defp old_user?(%User{} = u) do
-    u.info.note_count > 0 || u.info.follower_count > 0
+    u.note_count > 0 || u.follower_count > 0
   end
 
   # does the post contain links?
   defp contains_links?(%{"content" => content} = _object) do
     content
+    |> Floki.parse_fragment!()
     |> Floki.filter_out("a.mention,a.hashtag,a[rel~=\"tag\"],a.zrl")
     |> Floki.attribute("a", "href")
     |> length() > 0
@@ -26,23 +27,25 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do
 
   @impl true
   def filter(%{"type" => "Create", "actor" => actor, "object" => object} = message) do
-    with {:ok, %User{} = u} <- User.get_or_fetch_by_ap_id(actor),
+    with {:ok, %User{local: false} = u} <- User.get_or_fetch_by_ap_id(actor),
          {:contains_links, true} <- {:contains_links, contains_links?(object)},
          {:old_user, true} <- {:old_user, old_user?(u)} do
       {:ok, message}
     else
+      {:ok, %User{local: true}} ->
+        {:ok, message}
+
       {:contains_links, false} ->
         {:ok, message}
 
       {:old_user, false} ->
-        {:reject, nil}
+        {:reject, "[AntiLinkSpamPolicy] User has no posts nor followers"}
 
       {:error, _} ->
-        {:reject, nil}
+        {:reject, "[AntiLinkSpamPolicy] Failed to get or fetch user by ap_id"}
 
       e ->
-        Logger.warn("[MRF anti-link-spam] WTF: unhandled error #{inspect(e)}")
-        {:reject, nil}
+        {:reject, "[AntiLinkSpamPolicy] Unhandled error #{inspect(e)}"}
     end
   end
 
@@ -50,5 +53,5 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do
   def filter(message), do: {:ok, message}
 
   @impl true
-  def describe(), do: {:ok, %{}}
+  def describe, do: {:ok, %{}}
 end