|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Thecodework\TwoFactorAuthentication; |
|
4
|
|
|
|
|
5
|
|
|
use Auth; |
|
6
|
|
|
use Illuminate\Http\Request; |
|
7
|
|
|
use OTPHP\TOTP; |
|
8
|
|
|
use Validator; |
|
9
|
|
|
|
|
10
|
|
|
trait AuthenticatesUsersWith2FA |
|
11
|
|
|
{ |
|
12
|
|
|
/* |
|
13
|
|
|
* Priveate variable to store user object. |
|
14
|
|
|
*/ |
|
15
|
|
|
private $user; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
* If username/password is authenticated then the authenticted. |
|
19
|
|
|
* If 2FA enabled it will redirect user to enter TOTP Token else |
|
20
|
|
|
* Logs the user in normally. |
|
21
|
|
|
* |
|
22
|
|
|
* @param \Illuminate\Http\Request $request |
|
23
|
|
|
* @param \App\User $user |
|
24
|
|
|
* |
|
25
|
|
|
* @return \Illuminate\Http\RedirectResponse |
|
26
|
|
|
*/ |
|
27
|
|
|
protected function authenticated(Request $request, $user) |
|
28
|
|
|
{ |
|
29
|
|
|
if ($user->is_two_factor_enabled) { |
|
30
|
|
|
$request->session()->put('2fa:user:id', encrypt($user->id)); |
|
31
|
|
|
$secret = getenv('HMAC_SECRET'); |
|
32
|
|
|
$signature = hash_hmac('sha256', $user->id, $secret); |
|
33
|
|
|
Auth::logout(); |
|
34
|
|
|
|
|
35
|
|
|
return redirect()->intended('verify-2fa?signature=' . $signature); |
|
36
|
|
|
} |
|
37
|
|
|
|
|
38
|
|
|
return redirect()->intended(config('2fa-config.redirect_to')); |
|
39
|
|
|
} |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* Verify token and sign in the user. |
|
43
|
|
|
* |
|
44
|
|
|
* @param \Illuminate\Http\Request $request |
|
45
|
|
|
* |
|
46
|
|
|
* @return \Illuminate\Http\RedirectResponse |
|
47
|
|
|
*/ |
|
48
|
|
|
public function verifyToken(Request $request) |
|
49
|
|
|
{ |
|
50
|
|
|
$TwoFAModel = TwoFactorAuthenticationServiceProvider::getTwoFAModelInstance(); |
|
51
|
|
|
// Pulling encrypted user id from session and getting user details |
|
52
|
|
|
$userId = $request->session()->get('2fa:user:id'); |
|
53
|
|
|
$this->user = $TwoFAModel->find(decrypt($userId)); |
|
54
|
|
|
|
|
55
|
|
|
// If token is not valid then custom validation error message will be shown. |
|
56
|
|
|
$messages = [ |
|
57
|
|
|
'totp_token.valid_token' => 'Token is not valid', |
|
58
|
|
|
]; |
|
59
|
|
|
|
|
60
|
|
|
// Impllicitly adding an validation rule to check if token is valid or not. |
|
61
|
|
|
Validator::extendImplicit('valid_token', function ($attribute, $value) { |
|
62
|
|
|
$totp = new TOTP( |
|
63
|
|
|
config('2fa-config.account_name'), |
|
64
|
|
|
$this->user->two_factor_secret_key |
|
65
|
|
|
); |
|
66
|
|
|
|
|
67
|
|
|
return $value == $totp->now(); |
|
68
|
|
|
}); |
|
69
|
|
|
|
|
70
|
|
|
// If Validation fails, it will return the error else sign in the user. |
|
71
|
|
|
$validator = Validator::make($request->all(), [ |
|
72
|
|
|
'totp_token' => 'required|digits:6|valid_token', |
|
73
|
|
|
], $messages); |
|
74
|
|
|
|
|
75
|
|
|
$secret = getenv('HMAC_SECRET'); |
|
76
|
|
|
$signature = hash_hmac('sha256', $this->user->id, $secret); |
|
77
|
|
|
if ($validator->fails()) { |
|
78
|
|
|
return redirect('verify-2fa?signature=' . $signature) |
|
79
|
|
|
->withErrors($validator) |
|
80
|
|
|
->withInput(); |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
// Flush the session. |
|
84
|
|
|
$request->session()->forget('2fa:user:id'); |
|
85
|
|
|
|
|
86
|
|
|
Auth::loginUsingId($this->user->id); |
|
87
|
|
|
|
|
88
|
|
|
return redirect()->intended(config('2fa-config.redirect_to')); |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
public function setUser($user) |
|
92
|
|
|
{ |
|
93
|
|
|
$this->user = $user; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
public function getUser() |
|
97
|
|
|
{ |
|
98
|
|
|
return $this->user; |
|
99
|
|
|
} |
|
100
|
|
|
} |
|
101
|
|
|
|
thecodework /
two-factor-authentication
