Merge remote-tracking branch 'origin/develop' into feature/embeddable-posts

9 files changed, 181 insertions, 34 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
index 37a7bfcf7..fca0de7c6 100644
--- a/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
+++ b/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
@@ -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.AntiFollowbotPolicyTest do
diff --git a/test/web/activity_pub/mrf/anti_link_spam_policy_test.exs b/test/web/activity_pub/mrf/anti_link_spam_policy_test.exs
index b524fdd23..1a13699be 100644
--- a/test/web/activity_pub/mrf/anti_link_spam_policy_test.exs
+++ b/test/web/activity_pub/mrf/anti_link_spam_policy_test.exs
@@ -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.AntiLinkSpamPolicyTest do
@@ -110,6 +110,15 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicyTest do
   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
diff --git a/test/web/activity_pub/mrf/ensure_re_prepended_test.exs b/test/web/activity_pub/mrf/ensure_re_prepended_test.exs
index dbc8b9e80..38ddec5bb 100644
--- a/test/web/activity_pub/mrf/ensure_re_prepended_test.exs
+++ b/test/web/activity_pub/mrf/ensure_re_prepended_test.exs
@@ -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.EnsureRePrependedTest do
diff --git a/test/web/activity_pub/mrf/no_placeholder_text_policy_test.exs b/test/web/activity_pub/mrf/no_placeholder_text_policy_test.exs
index 63ed71129..64ea61dd4 100644
--- a/test/web/activity_pub/mrf/no_placeholder_text_policy_test.exs
+++ b/test/web/activity_pub/mrf/no_placeholder_text_policy_test.exs
@@ -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.NoPlaceholderTextPolicyTest do
diff --git a/test/web/activity_pub/mrf/normalize_markup_test.exs b/test/web/activity_pub/mrf/normalize_markup_test.exs
index 0207be56b..9b39c45bd 100644
--- a/test/web/activity_pub/mrf/normalize_markup_test.exs
+++ b/test/web/activity_pub/mrf/normalize_markup_test.exs
@@ -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.NormalizeMarkupTest do
diff --git a/test/web/activity_pub/mrf/object_age_policy_test.exs b/test/web/activity_pub/mrf/object_age_policy_test.exs
index 0fbc5f57a..b0fb753bd 100644
--- a/test/web/activity_pub/mrf/object_age_policy_test.exs
+++ b/test/web/activity_pub/mrf/object_age_policy_test.exs
@@ -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.ObjectAgePolicyTest do
@@ -20,26 +20,38 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicyTest do
     :ok
   end
 
+  defp get_old_message do
+    File.read!("test/fixtures/mastodon-post-activity.json")
+    |> Poison.decode!()
+  end
+
+  defp get_new_message do
+    old_message = get_old_message()
+
+    new_object =
+      old_message
+      |> Map.get("object")
+      |> Map.put("published", DateTime.utc_now() |> DateTime.to_iso8601())
+
+    old_message
+    |> Map.put("object", new_object)
+  end
+
   describe "with reject action" do
     test "it rejects an old post" do
       Config.put([:mrf_object_age, :actions], [:reject])
 
-      data =
-        File.read!("test/fixtures/mastodon-post-activity.json")
-        |> Poison.decode!()
+      data = get_old_message()
 
-      {:reject, _} = ObjectAgePolicy.filter(data)
+      assert match?({:reject, _}, ObjectAgePolicy.filter(data))
     end
 
     test "it allows a new post" do
       Config.put([:mrf_object_age, :actions], [:reject])
 
-      data =
-        File.read!("test/fixtures/mastodon-post-activity.json")
-        |> Poison.decode!()
-        |> Map.put("published", DateTime.utc_now() |> DateTime.to_iso8601())
+      data = get_new_message()
 
-      {:ok, _} = ObjectAgePolicy.filter(data)
+      assert match?({:ok, _}, ObjectAgePolicy.filter(data))
     end
   end
 
@@ -47,9 +59,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicyTest do
     test "it delists an old post" do
       Config.put([:mrf_object_age, :actions], [:delist])
 
-      data =
-        File.read!("test/fixtures/mastodon-post-activity.json")
-        |> Poison.decode!()
+      data = get_old_message()
 
       {:ok, _u} = User.get_or_fetch_by_ap_id(data["actor"])
 
@@ -61,14 +71,11 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicyTest do
     test "it allows a new post" do
       Config.put([:mrf_object_age, :actions], [:delist])
 
-      data =
-        File.read!("test/fixtures/mastodon-post-activity.json")
-        |> Poison.decode!()
-        |> Map.put("published", DateTime.utc_now() |> DateTime.to_iso8601())
+      data = get_new_message()
 
       {:ok, _user} = User.get_or_fetch_by_ap_id(data["actor"])
 
-      {:ok, ^data} = ObjectAgePolicy.filter(data)
+      assert match?({:ok, ^data}, ObjectAgePolicy.filter(data))
     end
   end
 
@@ -76,9 +83,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicyTest do
     test "it strips followers collections from an old post" do
       Config.put([:mrf_object_age, :actions], [:strip_followers])
 
-      data =
-        File.read!("test/fixtures/mastodon-post-activity.json")
-        |> Poison.decode!()
+      data = get_old_message()
 
       {:ok, user} = User.get_or_fetch_by_ap_id(data["actor"])
 
@@ -91,14 +96,11 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicyTest do
     test "it allows a new post" do
       Config.put([:mrf_object_age, :actions], [:strip_followers])
 
-      data =
-        File.read!("test/fixtures/mastodon-post-activity.json")
-        |> Poison.decode!()
-        |> Map.put("published", DateTime.utc_now() |> DateTime.to_iso8601())
+      data = get_new_message()
 
       {:ok, _u} = User.get_or_fetch_by_ap_id(data["actor"])
 
-      {:ok, ^data} = ObjectAgePolicy.filter(data)
+      assert match?({:ok, ^data}, ObjectAgePolicy.filter(data))
     end
   end
 end
diff --git a/test/web/activity_pub/mrf/reject_non_public_test.exs b/test/web/activity_pub/mrf/reject_non_public_test.exs
index abfd32df8..f36299b86 100644
--- a/test/web/activity_pub/mrf/reject_non_public_test.exs
+++ b/test/web/activity_pub/mrf/reject_non_public_test.exs
@@ -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.RejectNonPublicTest do
diff --git a/test/web/activity_pub/mrf/simple_policy_test.exs b/test/web/activity_pub/mrf/simple_policy_test.exs
index 5aebbc675..b7b9bc6a2 100644
--- a/test/web/activity_pub/mrf/simple_policy_test.exs
+++ b/test/web/activity_pub/mrf/simple_policy_test.exs
@@ -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.SimplePolicyTest do
@@ -17,7 +17,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
             reject: [],
             accept: [],
             avatar_removal: [],
-            banner_removal: []
+            banner_removal: [],
+            reject_deletes: []
           )
 
   describe "when :media_removal" do
@@ -382,6 +383,66 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
     end
   end
 
+  describe "when :reject_deletes is empty" do
+    setup do: Config.put([:mrf_simple, :reject_deletes], [])
+
+    test "it accepts deletions even from rejected servers" do
+      Config.put([:mrf_simple, :reject], ["remote.instance"])
+
+      deletion_message = build_remote_deletion_message()
+
+      assert SimplePolicy.filter(deletion_message) == {:ok, deletion_message}
+    end
+
+    test "it accepts deletions even from non-whitelisted servers" do
+      Config.put([:mrf_simple, :accept], ["non.matching.remote"])
+
+      deletion_message = build_remote_deletion_message()
+
+      assert SimplePolicy.filter(deletion_message) == {:ok, deletion_message}
+    end
+  end
+
+  describe "when :reject_deletes is not empty but it doesn't have a matching host" do
+    setup do: Config.put([:mrf_simple, :reject_deletes], ["non.matching.remote"])
+
+    test "it accepts deletions even from rejected servers" do
+      Config.put([:mrf_simple, :reject], ["remote.instance"])
+
+      deletion_message = build_remote_deletion_message()
+
+      assert SimplePolicy.filter(deletion_message) == {:ok, deletion_message}
+    end
+
+    test "it accepts deletions even from non-whitelisted servers" do
+      Config.put([:mrf_simple, :accept], ["non.matching.remote"])
+
+      deletion_message = build_remote_deletion_message()
+
+      assert SimplePolicy.filter(deletion_message) == {:ok, deletion_message}
+    end
+  end
+
+  describe "when :reject_deletes has a matching host" do
+    setup do: Config.put([:mrf_simple, :reject_deletes], ["remote.instance"])
+
+    test "it rejects the deletion" do
+      deletion_message = build_remote_deletion_message()
+
+      assert SimplePolicy.filter(deletion_message) == {:reject, nil}
+    end
+  end
+
+  describe "when :reject_deletes match with wildcard domain" do
+    setup do: Config.put([:mrf_simple, :reject_deletes], ["*.remote.instance"])
+
+    test "it rejects the deletion" do
+      deletion_message = build_remote_deletion_message()
+
+      assert SimplePolicy.filter(deletion_message) == {:reject, nil}
+    end
+  end
+
   defp build_local_message do
     %{
       "actor" => "#{Pleroma.Web.base_url()}/users/alice",
@@ -408,4 +469,11 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
       "type" => "Person"
     }
   end
+
+  defp build_remote_deletion_message do
+    %{
+      "type" => "Delete",
+      "actor" => "https://remote.instance/users/bob"
+    }
+  end
 end
diff --git a/test/web/activity_pub/mrf/steal_emoji_policy_test.exs b/test/web/activity_pub/mrf/steal_emoji_policy_test.exs
new file mode 100644
index 000000000..3f8222736
--- /dev/null
+++ b/test/web/activity_pub/mrf/steal_emoji_policy_test.exs
@@ -0,0 +1,68 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.MRF.StealEmojiPolicyTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Config
+  alias Pleroma.Web.ActivityPub.MRF.StealEmojiPolicy
+
+  setup_all do
+    Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
+    :ok
+  end
+
+  setup do
+    emoji_path = Path.join(Config.get([:instance, :static_dir]), "emoji/stolen")
+    File.rm_rf!(emoji_path)
+    File.mkdir!(emoji_path)
+
+    Pleroma.Emoji.reload()
+
+    on_exit(fn ->
+      File.rm_rf!(emoji_path)
+    end)
+
+    :ok
+  end
+
+  test "does nothing by default" do
+    installed_emoji = Pleroma.Emoji.get_all() |> Enum.map(fn {k, _} -> k end)
+    refute "firedfox" in installed_emoji
+
+    message = %{
+      "type" => "Create",
+      "object" => %{
+        "emoji" => [{"firedfox", "https://example.org/emoji/firedfox.png"}],
+        "actor" => "https://example.org/users/admin"
+      }
+    }
+
+    assert {:ok, message} == StealEmojiPolicy.filter(message)
+
+    installed_emoji = Pleroma.Emoji.get_all() |> Enum.map(fn {k, _} -> k end)
+    refute "firedfox" in installed_emoji
+  end
+
+  test "Steals emoji on unknown shortcode from allowed remote host" do
+    installed_emoji = Pleroma.Emoji.get_all() |> Enum.map(fn {k, _} -> k end)
+    refute "firedfox" in installed_emoji
+
+    message = %{
+      "type" => "Create",
+      "object" => %{
+        "emoji" => [{"firedfox", "https://example.org/emoji/firedfox.png"}],
+        "actor" => "https://example.org/users/admin"
+      }
+    }
+
+    clear_config([:mrf_steal_emoji, :hosts], ["example.org"])
+    clear_config([:mrf_steal_emoji, :size_limit], 284_468)
+
+    assert {:ok, message} == StealEmojiPolicy.filter(message)
+
+    installed_emoji = Pleroma.Emoji.get_all() |> Enum.map(fn {k, _} -> k end)
+    assert "firedfox" in installed_emoji
+  end
+end