truncate remote user bio/display name

1 files changed, 15 insertions, 1 deletions

diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 29fd6d2ea..87e56b5b4 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -174,11 +174,25 @@ defmodule Pleroma.User do
     |> Repo.aggregate(:count, :id)
   end
 
+  defp truncate_if_exists(params, key, max_length) do
+    if Map.has_key?(params, key) do
+      {value, _chopped} = String.split_at(params[key], max_length)
+      Map.put(params, key, value)
+    else
+      params
+    end
+  end
+
   def remote_user_creation(params) 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, :info, params[:info] || %{})
+    params =
+      params
+      |> Map.put(:info, params[:info] || %{})
+      |> truncate_if_exists(:name, name_limit)
+      |> truncate_if_exists(:bio, bio_limit)
+
     info_cng = User.Info.remote_user_creation(%User.Info{}, params[:info])
 
     changes =