Add :max_remote_account_fields config option

lib/pleroma/user.ex

@@ -199,12 +199,12 @@ defmodule Pleroma.User do
     |> validate_length(:name, min: 1, max: name_limit)
   end
 
-  def upgrade_changeset(struct, params \\ %{}) do
+  def upgrade_changeset(struct, params \\ %{}, remote? \\ false) do
     bio_limit = Pleroma.Config.get([:instance, :user_bio_length], 5000)
     name_limit = Pleroma.Config.get([:instance, :user_name_length], 100)
 
     params = Map.put(params, :last_refreshed_at, NaiveDateTime.utc_now())
-    info_cng = User.Info.user_upgrade(struct.info, params[:info])
+    info_cng = User.Info.user_upgrade(struct.info, params[:info], remote?)
 
     struct
     |> cast(params, [

lib/pleroma/user/info.ex

@@ -256,11 +256,13 @@ defmodule Pleroma.User.Info do
       :hide_followers,
       :hide_follows,
       :follower_count,
+      :fields,
       :following_count
     ])
+    |> validate_fields(true)
   end
 
-  def user_upgrade(info, params) do
+  def user_upgrade(info, params, remote? \\ false) do
     info
     |> cast(params, [
       :ap_enabled,
@@ -274,7 +276,7 @@ defmodule Pleroma.User.Info do
       :fields,
       :hide_followers
     ])
-    |> validate_fields()
+    |> validate_fields(remote?)
   end
 
   def profile_update(info, params) do
@@ -297,8 +299,9 @@ defmodule Pleroma.User.Info do
     |> validate_fields()
   end
 
-  def validate_fields(changeset) do
-    limit = Pleroma.Config.get([:instance, :max_account_fields], 0)
+  def validate_fields(changeset, remote? \\ false) do
+    limit_name = if remote?, do: :max_remote_account_fields, else: :max_account_fields
+    limit = Pleroma.Config.get([:instance, limit_name], 0)
 
     changeset
     |> validate_length(:fields, max: limit)

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -1016,6 +1016,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
           "url" => [%{"href" => data["image"]["url"]}]
         }
 
+    fields =
+      data
+      |> Map.get("attachment", [])
+      |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
+      |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
+
     locked = data["manuallyApprovesFollowers"] || false
     data = Transmogrifier.maybe_fix_user_object(data)
 
@@ -1025,6 +1031,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
         ap_enabled: true,
         source_data: data,
         banner: banner,
+        fields: fields,
         locked: locked
       },
       avatar: avatar,

lib/pleroma/web/activity_pub/transmogrifier.ex

@@ -611,7 +611,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
         |> Map.put(:info, %{banner: banner, locked: locked, fields: fields})
 
       actor
-      |> User.upgrade_changeset(update_data)
+      |> User.upgrade_changeset(update_data, true)
       |> User.update_and_set_cache()
 
       ActivityPub.update(%{