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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicyTest do
use Pleroma.DataCase
import Pleroma.Factory
import ExUnit.CaptureLog
alias Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy
@linkless_message %{
"type" => "Create",
"object" => %{
"content" => "hi world!"
}
}
@linkful_message %{
"type" => "Create",
"object" => %{
"content" => "<a href='https://example.com'>hi world!</a>"
}
}
@response_message %{
"type" => "Create",
"object" => %{
"name" => "yes",
"type" => "Answer"
}
}
describe "with new user" do
test "it allows posts without links" do
user = insert(:user, local: false)
assert user.note_count == 0
message =
@linkless_message
|> Map.put("actor", user.ap_id)
{:ok, _message} = AntiLinkSpamPolicy.filter(message)
end
test "it disallows posts with links" do
user = insert(:user, local: false)
assert user.note_count == 0
message =
@linkful_message
|> Map.put("actor", user.ap_id)
{:reject, _} = AntiLinkSpamPolicy.filter(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)
{:ok, _message} = AntiLinkSpamPolicy.filter(message)
end
end
describe "with old user" do
test "it allows posts without links" do
user = insert(:user, note_count: 1)
assert user.note_count == 1
message =
@linkless_message
|> Map.put("actor", user.ap_id)
{:ok, _message} = AntiLinkSpamPolicy.filter(message)
end
test "it allows posts with links" do
user = insert(:user, note_count: 1)
assert user.note_count == 1
message =
@linkful_message
|> Map.put("actor", user.ap_id)
{:ok, _message} = AntiLinkSpamPolicy.filter(message)
end
end
describe "with followed new user" do
test "it allows posts without links" do
user = insert(:user, follower_count: 1)
assert user.follower_count == 1
message =
@linkless_message
|> Map.put("actor", user.ap_id)
{:ok, _message} = AntiLinkSpamPolicy.filter(message)
end
test "it allows posts with links" do
user = insert(:user, follower_count: 1)
assert user.follower_count == 1
message =
@linkful_message
|> Map.put("actor", user.ap_id)
{:ok, _message} = AntiLinkSpamPolicy.filter(message)
end
end
describe "with unknown actors" do
setup do
Tesla.Mock.mock(fn
%{method: :get, url: "http://invalid.actor"} ->
%Tesla.Env{status: 500, body: ""}
end)
:ok
end
test "it rejects posts without links" do
message =
@linkless_message
|> Map.put("actor", "http://invalid.actor")
assert capture_log(fn ->
{:reject, _} = AntiLinkSpamPolicy.filter(message)
end) =~ "[error] Could not decode user at fetch http://invalid.actor"
end
test "it rejects posts with links" do
message =
@linkful_message
|> Map.put("actor", "http://invalid.actor")
assert capture_log(fn ->
{:reject, _} = AntiLinkSpamPolicy.filter(message)
end) =~ "[error] Could not decode user at fetch http://invalid.actor"
end
end
describe "with contentless-objects" do
test "it does not reject them or error out" do
user = insert(:user, note_count: 1)
message =
@response_message
|> Map.put("actor", user.ap_id)
{:ok, _message} = AntiLinkSpamPolicy.filter(message)
end
end
end
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