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-rw-r--r--test/web/activity_pub/mrf/anti_followbot_policy_test.exs72
-rw-r--r--test/web/activity_pub/mrf/hellthread_policy_test.exs73
-rw-r--r--test/web/activity_pub/mrf/keyword_policy_test.exs219
3 files changed, 364 insertions, 0 deletions
diff --git a/test/web/activity_pub/mrf/anti_followbot_policy_test.exs b/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
new file mode 100644
index 000000000..37a7bfcf7
--- /dev/null
+++ b/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
@@ -0,0 +1,72 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicyTest do
+ use Pleroma.DataCase
+ import Pleroma.Factory
+
+ alias Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicy
+
+ describe "blocking based on attributes" do
+ test "matches followbots by nickname" do
+ actor = insert(:user, %{nickname: "followbot@example.com"})
+ target = insert(:user)
+
+ message = %{
+ "@context" => "https://www.w3.org/ns/activitystreams",
+ "type" => "Follow",
+ "actor" => actor.ap_id,
+ "object" => target.ap_id,
+ "id" => "https://example.com/activities/1234"
+ }
+
+ {:reject, nil} = AntiFollowbotPolicy.filter(message)
+ end
+
+ test "matches followbots by display name" do
+ actor = insert(:user, %{name: "Federation Bot"})
+ target = insert(:user)
+
+ message = %{
+ "@context" => "https://www.w3.org/ns/activitystreams",
+ "type" => "Follow",
+ "actor" => actor.ap_id,
+ "object" => target.ap_id,
+ "id" => "https://example.com/activities/1234"
+ }
+
+ {:reject, nil} = AntiFollowbotPolicy.filter(message)
+ end
+ end
+
+ test "it allows non-followbots" do
+ actor = insert(:user)
+ target = insert(:user)
+
+ message = %{
+ "@context" => "https://www.w3.org/ns/activitystreams",
+ "type" => "Follow",
+ "actor" => actor.ap_id,
+ "object" => target.ap_id,
+ "id" => "https://example.com/activities/1234"
+ }
+
+ {:ok, _} = AntiFollowbotPolicy.filter(message)
+ end
+
+ test "it gracefully handles nil display names" do
+ actor = insert(:user, %{name: nil})
+ target = insert(:user)
+
+ message = %{
+ "@context" => "https://www.w3.org/ns/activitystreams",
+ "type" => "Follow",
+ "actor" => actor.ap_id,
+ "object" => target.ap_id,
+ "id" => "https://example.com/activities/1234"
+ }
+
+ {:ok, _} = AntiFollowbotPolicy.filter(message)
+ end
+end
diff --git a/test/web/activity_pub/mrf/hellthread_policy_test.exs b/test/web/activity_pub/mrf/hellthread_policy_test.exs
new file mode 100644
index 000000000..eb6ee4d04
--- /dev/null
+++ b/test/web/activity_pub/mrf/hellthread_policy_test.exs
@@ -0,0 +1,73 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicyTest do
+ use Pleroma.DataCase
+ import Pleroma.Factory
+
+ import Pleroma.Web.ActivityPub.MRF.HellthreadPolicy
+
+ setup do
+ user = insert(:user)
+
+ message = %{
+ "actor" => user.ap_id,
+ "cc" => [user.follower_address],
+ "type" => "Create",
+ "to" => [
+ "https://www.w3.org/ns/activitystreams#Public",
+ "https://instance.tld/users/user1",
+ "https://instance.tld/users/user2",
+ "https://instance.tld/users/user3"
+ ]
+ }
+
+ [user: user, message: message]
+ end
+
+ describe "reject" do
+ test "rejects the message if the recipient count is above reject_threshold", %{
+ message: message
+ } do
+ Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 2})
+
+ {:reject, nil} = filter(message)
+ end
+
+ test "does not reject the message if the recipient count is below reject_threshold", %{
+ message: message
+ } do
+ Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
+
+ assert {:ok, ^message} = filter(message)
+ end
+ end
+
+ describe "delist" do
+ test "delists the message if the recipient count is above delist_threshold", %{
+ user: user,
+ message: message
+ } do
+ Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 2, reject_threshold: 0})
+
+ {:ok, message} = filter(message)
+ assert user.follower_address in message["to"]
+ assert "https://www.w3.org/ns/activitystreams#Public" in message["cc"]
+ end
+
+ test "does not delist the message if the recipient count is below delist_threshold", %{
+ message: message
+ } do
+ Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 4, reject_threshold: 0})
+
+ assert {:ok, ^message} = filter(message)
+ end
+ end
+
+ test "excludes follower collection and public URI from threshold count", %{message: message} do
+ Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
+
+ assert {:ok, ^message} = filter(message)
+ end
+end
diff --git a/test/web/activity_pub/mrf/keyword_policy_test.exs b/test/web/activity_pub/mrf/keyword_policy_test.exs
new file mode 100644
index 000000000..602892a37
--- /dev/null
+++ b/test/web/activity_pub/mrf/keyword_policy_test.exs
@@ -0,0 +1,219 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicyTest do
+ use Pleroma.DataCase
+
+ alias Pleroma.Web.ActivityPub.MRF.KeywordPolicy
+
+ setup do
+ Pleroma.Config.put([:mrf_keyword], %{reject: [], federated_timeline_removal: [], replace: []})
+ end
+
+ describe "rejecting based on keywords" do
+ test "rejects if string matches in content" do
+ Pleroma.Config.put([:mrf_keyword, :reject], ["pun"])
+
+ message = %{
+ "type" => "Create",
+ "object" => %{
+ "content" => "just a daily reminder that compLAINer is a good pun",
+ "summary" => ""
+ }
+ }
+
+ assert {:reject, nil} == KeywordPolicy.filter(message)
+ end
+
+ test "rejects if string matches in summary" do
+ Pleroma.Config.put([:mrf_keyword, :reject], ["pun"])
+
+ message = %{
+ "type" => "Create",
+ "object" => %{
+ "summary" => "just a daily reminder that compLAINer is a good pun",
+ "content" => ""
+ }
+ }
+
+ assert {:reject, nil} == KeywordPolicy.filter(message)
+ end
+
+ test "rejects if regex matches in content" do
+ Pleroma.Config.put([:mrf_keyword, :reject], [~r/comp[lL][aA][iI][nN]er/])
+
+ assert true ==
+ Enum.all?(["complainer", "compLainer", "compLAiNer", "compLAINer"], fn content ->
+ message = %{
+ "type" => "Create",
+ "object" => %{
+ "content" => "just a daily reminder that #{content} is a good pun",
+ "summary" => ""
+ }
+ }
+
+ {:reject, nil} == KeywordPolicy.filter(message)
+ end)
+ end
+
+ test "rejects if regex matches in summary" do
+ Pleroma.Config.put([:mrf_keyword, :reject], [~r/comp[lL][aA][iI][nN]er/])
+
+ assert true ==
+ Enum.all?(["complainer", "compLainer", "compLAiNer", "compLAINer"], fn content ->
+ message = %{
+ "type" => "Create",
+ "object" => %{
+ "summary" => "just a daily reminder that #{content} is a good pun",
+ "content" => ""
+ }
+ }
+
+ {:reject, nil} == KeywordPolicy.filter(message)
+ end)
+ end
+ end
+
+ describe "delisting from ftl based on keywords" do
+ test "delists if string matches in content" do
+ Pleroma.Config.put([:mrf_keyword, :federated_timeline_removal], ["pun"])
+
+ message = %{
+ "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+ "type" => "Create",
+ "object" => %{
+ "content" => "just a daily reminder that compLAINer is a good pun",
+ "summary" => ""
+ }
+ }
+
+ {:ok, result} = KeywordPolicy.filter(message)
+ assert ["https://www.w3.org/ns/activitystreams#Public"] == result["cc"]
+ refute ["https://www.w3.org/ns/activitystreams#Public"] == result["to"]
+ end
+
+ test "delists if string matches in summary" do
+ Pleroma.Config.put([:mrf_keyword, :federated_timeline_removal], ["pun"])
+
+ message = %{
+ "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+ "type" => "Create",
+ "object" => %{
+ "summary" => "just a daily reminder that compLAINer is a good pun",
+ "content" => ""
+ }
+ }
+
+ {:ok, result} = KeywordPolicy.filter(message)
+ assert ["https://www.w3.org/ns/activitystreams#Public"] == result["cc"]
+ refute ["https://www.w3.org/ns/activitystreams#Public"] == result["to"]
+ end
+
+ test "delists if regex matches in content" do
+ Pleroma.Config.put([:mrf_keyword, :federated_timeline_removal], [~r/comp[lL][aA][iI][nN]er/])
+
+ assert true ==
+ Enum.all?(["complainer", "compLainer", "compLAiNer", "compLAINer"], fn content ->
+ message = %{
+ "type" => "Create",
+ "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+ "object" => %{
+ "content" => "just a daily reminder that #{content} is a good pun",
+ "summary" => ""
+ }
+ }
+
+ {:ok, result} = KeywordPolicy.filter(message)
+
+ ["https://www.w3.org/ns/activitystreams#Public"] == result["cc"] and
+ not (["https://www.w3.org/ns/activitystreams#Public"] == result["to"])
+ end)
+ end
+
+ test "delists if regex matches in summary" do
+ Pleroma.Config.put([:mrf_keyword, :federated_timeline_removal], [~r/comp[lL][aA][iI][nN]er/])
+
+ assert true ==
+ Enum.all?(["complainer", "compLainer", "compLAiNer", "compLAINer"], fn content ->
+ message = %{
+ "type" => "Create",
+ "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+ "object" => %{
+ "summary" => "just a daily reminder that #{content} is a good pun",
+ "content" => ""
+ }
+ }
+
+ {:ok, result} = KeywordPolicy.filter(message)
+
+ ["https://www.w3.org/ns/activitystreams#Public"] == result["cc"] and
+ not (["https://www.w3.org/ns/activitystreams#Public"] == result["to"])
+ end)
+ end
+ end
+
+ describe "replacing keywords" do
+ test "replaces keyword if string matches in content" do
+ Pleroma.Config.put([:mrf_keyword, :replace], [{"opensource", "free software"}])
+
+ message = %{
+ "type" => "Create",
+ "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+ "object" => %{"content" => "ZFS is opensource", "summary" => ""}
+ }
+
+ {:ok, %{"object" => %{"content" => result}}} = KeywordPolicy.filter(message)
+ assert result == "ZFS is free software"
+ end
+
+ test "replaces keyword if string matches in summary" do
+ Pleroma.Config.put([:mrf_keyword, :replace], [{"opensource", "free software"}])
+
+ message = %{
+ "type" => "Create",
+ "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+ "object" => %{"summary" => "ZFS is opensource", "content" => ""}
+ }
+
+ {:ok, %{"object" => %{"summary" => result}}} = KeywordPolicy.filter(message)
+ assert result == "ZFS is free software"
+ end
+
+ test "replaces keyword if regex matches in content" do
+ Pleroma.Config.put([:mrf_keyword, :replace], [
+ {~r/open(-|\s)?source\s?(software)?/, "free software"}
+ ])
+
+ assert true ==
+ Enum.all?(["opensource", "open-source", "open source"], fn content ->
+ message = %{
+ "type" => "Create",
+ "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+ "object" => %{"content" => "ZFS is #{content}", "summary" => ""}
+ }
+
+ {:ok, %{"object" => %{"content" => result}}} = KeywordPolicy.filter(message)
+ result == "ZFS is free software"
+ end)
+ end
+
+ test "replaces keyword if regex matches in summary" do
+ Pleroma.Config.put([:mrf_keyword, :replace], [
+ {~r/open(-|\s)?source\s?(software)?/, "free software"}
+ ])
+
+ assert true ==
+ Enum.all?(["opensource", "open-source", "open source"], fn content ->
+ message = %{
+ "type" => "Create",
+ "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+ "object" => %{"summary" => "ZFS is #{content}", "content" => ""}
+ }
+
+ {:ok, %{"object" => %{"summary" => result}}} = KeywordPolicy.filter(message)
+ result == "ZFS is free software"
+ end)
+ end
+ end
+end
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-24 10:05:44 +0000