X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fobject_validators%2Fannounce_validator.ex;h=4db76f387354184be7794590b40ba372d77adb00;hb=ebcc28fef07236e6094998c230b10345abf8b307;hp=158ae199d4d6ff6bd884901103680e9e1e2ea7b9;hpb=c7cdc553ff9bd7a068274d9b4b71008d9df04723;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/object_validators/announce_validator.ex b/lib/pleroma/web/activity_pub/object_validators/announce_validator.ex
index 158ae199d..4db76f387 100644
--- a/lib/pleroma/web/activity_pub/object_validators/announce_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/announce_validator.ex
@@ -1,26 +1,33 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ActivityPub.ObjectValidators.AnnounceValidator do
   use Ecto.Schema
 
-  alias Pleroma.Web.ActivityPub.ObjectValidators.Types
+  alias Pleroma.EctoType.ActivityPub.ObjectValidators
+  alias Pleroma.Object
+  alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.ActivityPub.Visibility
 
   import Ecto.Changeset
   import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
 
+  require Pleroma.Constants
+
   @primary_key false
 
   embedded_schema do
-    field(:id, Types.ObjectID, primary_key: true)
+    field(:id, ObjectValidators.ObjectID, primary_key: true)
     field(:type, :string)
-    field(:object, Types.ObjectID)
-    field(:actor, Types.ObjectID)
+    field(:object, ObjectValidators.ObjectID)
+    field(:actor, ObjectValidators.ObjectID)
     field(:context, :string)
-    field(:to, Types.Recipients, default: [])
-    field(:cc, Types.Recipients, default: [])
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
+    field(:published, ObjectValidators.DateTime)
   end
 
   def cast_and_validate(data) do
@@ -30,6 +37,10 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AnnounceValidator do
   end
 
   def cast_data(data) do
+    data =
+      data
+      |> fix()
+
     %__MODULE__{}
     |> changeset(data)
   end
@@ -37,23 +48,65 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AnnounceValidator do
   def changeset(struct, data) do
     struct
     |> cast(data, __schema__(:fields))
-    |> fix_after_cast()
   end
 
-  def fix_after_cast(cng) do
-    cng
+  defp fix(data) do
+    data =
+      data
+      |> CommonFixes.fix_actor()
+      |> CommonFixes.fix_activity_addressing()
+
+    with %Object{} = object <- Object.normalize(data["object"]) do
+      data
+      |> CommonFixes.fix_activity_context(object)
+      |> CommonFixes.fix_object_action_recipients(object)
+    else
+      _ -> data
+    end
   end
 
-  def validate_data(data_cng) do
+  defp validate_data(data_cng) do
     data_cng
     |> validate_inclusion(:type, ["Announce"])
-    |> validate_required([:id, :type, :object, :actor, :context, :to, :cc])
+    |> validate_required([:id, :type, :object, :actor, :to, :cc])
     |> validate_actor_presence()
     |> validate_object_presence()
     |> validate_existing_announce()
+    |> validate_announcable()
+  end
+
+  defp validate_announcable(cng) do
+    with actor when is_binary(actor) <- get_field(cng, :actor),
+         object when is_binary(object) <- get_field(cng, :object),
+         %User{} = actor <- User.get_cached_by_ap_id(actor),
+         %Object{} = object <- Object.get_cached_by_ap_id(object),
+         false <- Visibility.is_public?(object) do
+      same_actor = object.data["actor"] == actor.ap_id
+      recipients = get_field(cng, :to) ++ get_field(cng, :cc)
+      local_public = Utils.as_local_public()
+
+      is_public =
+        Enum.member?(recipients, Pleroma.Constants.as_public()) or
+          Enum.member?(recipients, local_public)
+
+      cond do
+        same_actor && is_public ->
+          cng
+          |> add_error(:actor, "can not announce this object publicly")
+
+        !same_actor ->
+          cng
+          |> add_error(:actor, "can not announce this object")
+
+        true ->
+          cng
+      end
+    else
+      _ -> cng
+    end
   end
 
-  def validate_existing_announce(cng) do
+  defp validate_existing_announce(cng) do
     actor = get_field(cng, :actor)
     object = get_field(cng, :object)