From 997f08b3500a983e8b27db9a6e4745582bb4763c Mon Sep 17 00:00:00 2001
From: Tusooa Zhu <tusooa@kazv.moe>
Date: Sun, 24 Jul 2022 00:18:09 -0400
Subject: Make AntiLinkSpamPolicy history-aware

---
 .../web/activity_pub/mrf/anti_link_spam_policy.ex  |  3 ++
 .../mrf/anti_link_spam_policy_test.exs             | 33 +++++++++++++++++++---
 2 files changed, 32 insertions(+), 4 deletions(-)

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 f0504ead4..3ec9c52ee 100644
--- a/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex
@@ -9,6 +9,9 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do
 
   require Logger
 
+  @impl true
+  def history_awareness, do: :auto
+
   # has the user successfully posted before?
   defp old_user?(%User{} = u) do
     u.note_count > 0 || u.follower_count > 0
diff --git a/test/pleroma/web/activity_pub/mrf/anti_link_spam_policy_test.exs b/test/pleroma/web/activity_pub/mrf/anti_link_spam_policy_test.exs
index 8c7d4de5c..303d7ca1e 100644
--- a/test/pleroma/web/activity_pub/mrf/anti_link_spam_policy_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/anti_link_spam_policy_test.exs
@@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicyTest do
   import Pleroma.Factory
   import ExUnit.CaptureLog
 
+  alias Pleroma.Web.ActivityPub.MRF
   alias Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy
 
   @linkless_message %{
@@ -49,15 +50,39 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicyTest do
 
       assert user.note_count == 0
 
+      message = %{
+        "type" => "Create",
+        "actor" => user.ap_id,
+        "object" => %{
+          "formerRepresentations" => %{
+            "type" => "OrderedCollection",
+            "orderedItems" => [
+              %{
+                "content" => "<a href='https://example.com'>hi world!</a>"
+              }
+            ]
+          },
+          "content" => "mew"
+        }
+      }
+
+      {:reject, _} = MRF.filter_one(AntiLinkSpamPolicy, message)
+    end
+
+    test "it allows posts with links for local users" do
+      user = insert(:user)
+
+      assert user.note_count == 0
+
       message =
         @linkful_message
         |> Map.put("actor", user.ap_id)
 
-      {:reject, _} = AntiLinkSpamPolicy.filter(message)
+      {:ok, _message} = AntiLinkSpamPolicy.filter(message)
     end
 
-    test "it allows posts with links for local users" do
-      user = insert(:user)
+    test "it disallows posts with links in history" do
+      user = insert(:user, local: false)
 
       assert user.note_count == 0
 
@@ -65,7 +90,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicyTest do
         @linkful_message
         |> Map.put("actor", user.ap_id)
 
-      {:ok, _message} = AntiLinkSpamPolicy.filter(message)
+      {:reject, _} = AntiLinkSpamPolicy.filter(message)
     end
   end
 
-- 
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