utils: Fix maybe_splice_recipient when "object" isn’t a map

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

diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 1c40afdb29223f4e41d943dc2b9d497b11c98183..0d1a6d0f13c10fcc1ac78125f27f561eb2b0961a 100644 (file)
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -1,5 +1,5 @@
 # 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.Utils do
@@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   alias Ecto.UUID
   alias Pleroma.Activity
   alias Pleroma.Config
+  alias Pleroma.Maps
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Repo
@@ -95,8 +96,11 @@ defmodule Pleroma.Web.ActivityPub.Utils do
         !label_in_collection?(ap_id, params["cc"])
 
     if need_splice? do
-      cc_list = extract_list(params["cc"])
-      Map.put(params, "cc", [ap_id | cc_list])
+      cc = [ap_id | extract_list(params["cc"])]
+
+      params
+      |> Map.put("cc", cc)
+      |> Maps.safe_put_in(["object", "cc"], cc)
     else
       params
     end
@@ -174,7 +178,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     outgoing_blocks = Config.get([:activitypub, :outgoing_blocks])
 
     with true <- Config.get!([:instance, :federating]),
-         true <- type != "Block" || outgoing_blocks do
+         true <- type != "Block" || outgoing_blocks,
+         false <- Visibility.is_local_public?(activity) do
       Pleroma.Web.Federator.publish(activity)
     end
 
@@ -307,7 +312,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       "cc" => cc,
       "context" => object.data["context"]
     }
-    |> maybe_put("id", activity_id)
+    |> Maps.put_if_present("id", activity_id)
   end
 
   def make_emoji_reaction_data(user, object, emoji, activity_id) do
@@ -477,7 +482,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       "object" => followed_id,
       "state" => "pending"
     }
-    |> maybe_put("id", activity_id)
+    |> Maps.put_if_present("id", activity_id)
   end
 
   def fetch_latest_follow(%User{ap_id: follower_id}, %User{ap_id: followed_id}) do
@@ -546,7 +551,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       "cc" => [],
       "context" => object.data["context"]
     }
-    |> maybe_put("id", activity_id)
+    |> Maps.put_if_present("id", activity_id)
   end
 
   def make_announce_data(
@@ -563,7 +568,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       "cc" => [Pleroma.Constants.as_public()],
       "context" => object.data["context"]
     }
-    |> maybe_put("id", activity_id)
+    |> Maps.put_if_present("id", activity_id)
   end
 
   def make_undo_data(
@@ -582,7 +587,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       "cc" => [Pleroma.Constants.as_public()],
       "context" => context
     }
-    |> maybe_put("id", activity_id)
+    |> Maps.put_if_present("id", activity_id)
   end
 
   @spec add_announce_to_object(Activity.t(), Object.t()) ::
@@ -627,7 +632,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       "to" => [followed.ap_id],
       "object" => follow_activity.data
     }
-    |> maybe_put("id", activity_id)
+    |> Maps.put_if_present("id", activity_id)
   end
 
   #### Block-related helpers
@@ -650,7 +655,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       "to" => [blocked.ap_id],
       "object" => blocked.ap_id
     }
-    |> maybe_put("id", activity_id)
+    |> Maps.put_if_present("id", activity_id)
   end
 
   #### Create-related helpers
@@ -700,14 +705,30 @@ defmodule Pleroma.Web.ActivityPub.Utils do
 
   def make_flag_data(_, _), do: %{}
 
-  defp build_flag_object(%{account: account, statuses: statuses} = _) do
-    [account.ap_id] ++ build_flag_object(%{statuses: statuses})
+  defp build_flag_object(%{account: account, statuses: statuses}) do
+    [account.ap_id | build_flag_object(%{statuses: statuses})]
   end
 
   defp build_flag_object(%{statuses: statuses}) do
     Enum.map(statuses || [], &build_flag_object/1)
   end
 
+  defp build_flag_object(%Activity{data: %{"id" => id}, object: %{data: data}}) do
+    activity_actor = User.get_by_ap_id(data["actor"])
+
+    %{
+      "type" => "Note",
+      "id" => id,
+      "content" => data["content"],
+      "published" => data["published"],
+      "actor" =>
+        AccountView.render(
+          "show.json",
+          %{user: activity_actor, skip_visibility_check: true}
+        )
+    }
+  end
+
   defp build_flag_object(act) when is_map(act) or is_binary(act) do
     id =
       case act do
@@ -718,19 +739,14 @@ defmodule Pleroma.Web.ActivityPub.Utils do
 
     case Activity.get_by_ap_id_with_object(id) do
       %Activity{} = activity ->
-        %{
-          "type" => "Note",
-          "id" => activity.data["id"],
-          "content" => activity.object.data["content"],
-          "published" => activity.object.data["published"],
-          "actor" =>
-            AccountView.render("show.json", %{
-              user: User.get_by_ap_id(activity.object.data["actor"])
-            })
-        }
-
-      _ ->
-        %{"id" => id, "deleted" => true}
+        build_flag_object(activity)
+
+      nil ->
+        if activity = Activity.get_by_object_ap_id_with_object(id) do
+          build_flag_object(activity)
+        else
+          %{"id" => id, "deleted" => true}
+        end
     end
   end
 
@@ -870,7 +886,4 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     |> where([a, object: o], fragment("(?)->>'type' = 'Answer'", o.data))
     |> Repo.all()
   end
-
-  def maybe_put(map, _key, nil), do: map
-  def maybe_put(map, key, value), do: Map.put(map, key, value)
 end