1 defmodule Pleroma.Plugs.AuthenticationPlug do
10 def call(%{assigns: %{user: %User{}}} = conn, _), do: conn
12 def call(conn, opts) do
13 with {:ok, username, password} <- decode_header(conn),
14 {:ok, user} <- opts[:fetcher].(username),
15 false <- !!user.info["deactivated"],
16 saved_user_id <- get_session(conn, :user_id),
17 {:ok, verified_user} <- verify(user, password, saved_user_id)
20 |> assign(:user, verified_user)
21 |> put_session(:user_id, verified_user.id)
23 _ -> conn |> halt_or_continue(opts)
27 # Short-circuit if we have a cookie with the id for the given user.
28 defp verify(%{id: id} = user, _password, id) do
32 defp verify(nil, _password, _user_id) do
37 defp verify(user, password, _user_id) do
38 if Pbkdf2.checkpw(password, user.password_hash) do
45 defp decode_header(conn) do
46 with ["Basic " <> header] <- get_req_header(conn, "authorization"),
47 {:ok, userinfo} <- Base.decode64(header),
48 [username, password] <- String.split(userinfo, ":", parts: 2)
50 {:ok, username, password}
54 defp halt_or_continue(conn, %{optional: true}) do
55 conn |> assign(:user, nil)
58 defp halt_or_continue(conn, _) do
60 |> put_resp_content_type("application/json")
61 |> send_resp(403, Poison.encode!(%{error: "Invalid credentials."}))