1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Auth.TOTPAuthenticator do
alias Pleroma.MFA
alias Pleroma.MFA.TOTP
alias Pleroma.User
alias Pleroma.Web.Plugs.AuthenticationPlug
@doc "Verify code or check backup code."
@spec verify(String.t(), User.t()) ::
{:ok, :pass} | {:error, :invalid_token | :invalid_secret_and_token}
def verify(
token,
%User{
multi_factor_authentication_settings:
%{enabled: true, totp: %{secret: secret, confirmed: true}} = _
} = _user
)
when is_binary(token) and byte_size(token) > 0 do
TOTP.validate_token(secret, token)
end
def verify(_, _), do: {:error, :invalid_token}
@spec verify_recovery_code(User.t(), String.t()) ::
{:ok, :pass} | {:error, :invalid_token}
def verify_recovery_code(
%User{multi_factor_authentication_settings: %{enabled: true, backup_codes: codes}} = user,
code
)
when is_list(codes) and is_binary(code) do
hash_code = Enum.find(codes, fn hash -> AuthenticationPlug.checkpw(code, hash) end)
if hash_code do
MFA.invalidate_backup_code(user, hash_code)
{:ok, :pass}
else
{:error, :invalid_token}
end
end
def verify_recovery_code(_, _), do: {:error, :invalid_token}
end
|
