1 files changed, 17 insertions, 0 deletions
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 57f8be894..5c2123f2d 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -1,7 +1,9 @@
 defmodule Pleroma.Web.CommonAPI.Utils do
   alias Pleroma.{Repo, Object, Formatter, Activity}
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.User
   alias Calendar.Strftime
+  alias Comeonin.Pbkdf2
 
   # This is a hack for twidere.
   def get_by_id_or_ap_id(id) do
@@ -184,4 +186,19 @@ defmodule Pleroma.Web.CommonAPI.Utils do
       String.slice(name, 0..30) <> "…"
     end
   end
+
+  def confirm_current_password(user, params) do
+    case user do
+      nil ->
+        {:error, "Invalid credentials."}
+
+      _ ->
+        with %User{local: true} = db_user <- Repo.get(User, user.id),
+             true <- Pbkdf2.checkpw(params["password"], db_user.password_hash) do
+          {:ok, db_user}
+        else
+          _ -> {:error, "Invalid password."}
+        end
+    end
+  end
 end