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 legacy_password <- String.starts_with?(user.password_hash, "$6$"),
18 update_legacy_password <-
19 !(Map.has_key?(opts, :update_legacy_password) && opts[:update_legacy_password] == false),
20 {:ok, verified_user} <- verify(user, password, saved_user_id) do
21 if legacy_password and update_legacy_password do
22 User.reset_password(verified_user, %{
23 :password => password,
24 :password_confirmation => password
29 |> assign(:user, verified_user)
30 |> put_session(:user_id, verified_user.id)
32 _ -> conn |> halt_or_continue(opts)
36 # Short-circuit if we have a cookie with the id for the given user.
37 defp verify(%{id: id} = user, _password, id) do
41 defp verify(nil, _password, _user_id) do
42 Pbkdf2.dummy_checkpw()
46 defp verify(user, password, _user_id) do
48 if String.starts_with?(user.password_hash, "$6$") do
49 :crypt.crypt(password, user.password_hash) == user.password_hash
51 Pbkdf2.checkpw(password, user.password_hash)
61 defp decode_header(conn) do
62 with ["Basic " <> header] <- get_req_header(conn, "authorization"),
63 {:ok, userinfo} <- Base.decode64(header),
64 [username, password] <- String.split(userinfo, ":", parts: 2) do
65 {:ok, username, password}
69 defp halt_or_continue(conn, %{optional: true}) do
70 conn |> assign(:user, nil)
73 defp halt_or_continue(conn, _) do
75 |> put_resp_content_type("application/json")
76 |> send_resp(403, Jason.encode!(%{error: "Invalid credentials."}))