Merge branch 'feature/undo-validator-reduced' into 'develop'

[akkoma] / lib / pleroma / web / activity_pub / object_validator.ex

diff --git a/lib/pleroma/web/activity_pub/object_validator.ex b/lib/pleroma/web/activity_pub/object_validator.ex
index 33e67dbb9a30e3bd143c3c599bd5230f2d514edc..4782cd8f3e3c37b196219c00e948f501e38698a8 100644 (file)
--- a/lib/pleroma/web/activity_pub/object_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validator.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ActivityPub.ObjectValidator do
@@ -9,31 +9,63 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
   the system.
   """
 
-  alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
-  alias Pleroma.User
   alias Pleroma.Object
+  alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.Types
+  alias Pleroma.Web.ActivityPub.ObjectValidators.UndoValidator
 
   @spec validate(map(), keyword()) :: {:ok, map(), keyword()} | {:error, any()}
   def validate(object, meta)
 
-  def validate(%{"type" => "Like"} = object, meta) do
-    with {_, %{valid?: true, changes: object}} <-
-           {:validate_object, LikeValidator.cast_and_validate(object)} do
+  def validate(%{"type" => "Undo"} = object, meta) do
+    with {:ok, object} <-
+           object
+           |> UndoValidator.cast_and_validate()
+           |> Ecto.Changeset.apply_action(:insert) do
       object = stringify_keys(object)
       {:ok, object, meta}
-    else
-      e -> {:error, e}
     end
   end
 
+  def validate(%{"type" => "Delete"} = object, meta) do
+    with cng <- DeleteValidator.cast_and_validate(object),
+         do_not_federate <- DeleteValidator.do_not_federate?(cng),
+         {:ok, object} <- Ecto.Changeset.apply_action(cng, :insert) do
+      object = stringify_keys(object)
+      meta = Keyword.put(meta, :do_not_federate, do_not_federate)
+      {:ok, object, meta}
+    end
+  end
+
+  def validate(%{"type" => "Like"} = object, meta) do
+    with {:ok, object} <-
+           object |> LikeValidator.cast_and_validate() |> Ecto.Changeset.apply_action(:insert) do
+      object = stringify_keys(object |> Map.from_struct())
+      {:ok, object, meta}
+    end
+  end
+
+  def stringify_keys(%{__struct__: _} = object) do
+    object
+    |> Map.from_struct()
+    |> stringify_keys
+  end
+
   def stringify_keys(object) do
     object
-    |> Enum.map(fn {key, val} -> {to_string(key), val} end)
-    |> Enum.into(%{})
+    |> Map.new(fn {key, val} -> {to_string(key), val} end)
+  end
+
+  def fetch_actor(object) do
+    with {:ok, actor} <- Types.ObjectID.cast(object["actor"]) do
+      User.get_or_fetch_by_ap_id(actor)
+    end
   end
 
   def fetch_actor_and_object(object) do
-    User.get_or_fetch_by_ap_id(object["actor"])
+    fetch_actor(object)
     Object.normalize(object["object"])
     :ok
   end