# 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