1 defmodule Pleroma.Plugs.AuthenticationPlug do
8 def call(conn, opts) do
9 with {:ok, username, password} <- decode_header(conn),
10 {:ok, user} <- opts[:fetcher].(username),
11 {:ok, verified_user} <- verify(user, password)
13 conn |> assign(:user, verified_user)
15 _ -> conn |> halt_or_continue(opts)
19 defp verify(nil, _password) do
20 Comeonin.Pbkdf2.dummy_checkpw
24 defp verify(user, password) do
25 if Comeonin.Pbkdf2.checkpw(password, user.password_hash) do
32 defp decode_header(conn) do
33 with ["Basic " <> header] <- get_req_header(conn, "authorization"),
34 {:ok, userinfo} <- Base.decode64(header),
35 [username, password] <- String.split(userinfo, ":")
37 { :ok, username, password }
41 defp halt_or_continue(conn, %{optional: true}) do
42 conn |> assign(:user, nil)
45 defp halt_or_continue(conn, _) do
47 |> put_resp_content_type("application/json")
48 |> send_resp(403, Poison.encode!(%{error: "Invalid credentials."}))