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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
<?php
/**
* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\AppFramework\Middleware\Security;
use OC\AppFramework\Middleware\Security\Exceptions\NotConfirmedException;
use OC\AppFramework\Utility\ControllerMethodReflector;
use OC\Authentication\Token\IProvider;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\Attribute\PasswordConfirmationRequired;
use OCP\AppFramework\Middleware;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Authentication\Exceptions\ExpiredTokenException;
use OCP\Authentication\Exceptions\InvalidTokenException;
use OCP\Authentication\Exceptions\WipeTokenException;
use OCP\Authentication\Token\IToken;
use OCP\ISession;
use OCP\IUserSession;
use OCP\Session\Exceptions\SessionNotAvailableException;
use OCP\User\Backend\IPasswordConfirmationBackend;
use Psr\Log\LoggerInterface;
use ReflectionMethod;
class PasswordConfirmationMiddleware extends Middleware {
/** @var ControllerMethodReflector */
private $reflector;
/** @var ISession */
private $session;
/** @var IUserSession */
private $userSession;
/** @var ITimeFactory */
private $timeFactory;
/** @var array */
private $excludedUserBackEnds = ['user_saml' => true, 'user_globalsiteselector' => true];
private IProvider $tokenProvider;
/**
* PasswordConfirmationMiddleware constructor.
*
* @param ControllerMethodReflector $reflector
* @param ISession $session
* @param IUserSession $userSession
* @param ITimeFactory $timeFactory
*/
public function __construct(ControllerMethodReflector $reflector,
ISession $session,
IUserSession $userSession,
ITimeFactory $timeFactory,
IProvider $tokenProvider,
private readonly LoggerInterface $logger,
) {
$this->reflector = $reflector;
$this->session = $session;
$this->userSession = $userSession;
$this->timeFactory = $timeFactory;
$this->tokenProvider = $tokenProvider;
}
/**
* @param Controller $controller
* @param string $methodName
* @throws NotConfirmedException
*/
public function beforeController($controller, $methodName) {
$reflectionMethod = new ReflectionMethod($controller, $methodName);
if ($this->hasAnnotationOrAttribute($reflectionMethod, 'PasswordConfirmationRequired', PasswordConfirmationRequired::class)) {
$user = $this->userSession->getUser();
$backendClassName = '';
if ($user !== null) {
$backend = $user->getBackend();
if ($backend instanceof IPasswordConfirmationBackend) {
if (!$backend->canConfirmPassword($user->getUID())) {
return;
}
}
$backendClassName = $user->getBackendClassName();
}
try {
$sessionId = $this->session->getId();
$token = $this->tokenProvider->getToken($sessionId);
} catch (SessionNotAvailableException|InvalidTokenException|WipeTokenException|ExpiredTokenException) {
// States we do not deal with here.
return;
}
$scope = $token->getScopeAsArray();
if (isset($scope[IToken::SCOPE_SKIP_PASSWORD_VALIDATION]) && $scope[IToken::SCOPE_SKIP_PASSWORD_VALIDATION] === true) {
// Users logging in from SSO backends cannot confirm their password by design
return;
}
$lastConfirm = (int) $this->session->get('last-password-confirm');
// TODO: confirm excludedUserBackEnds can go away and remove it
if (!isset($this->excludedUserBackEnds[$backendClassName]) && $lastConfirm < ($this->timeFactory->getTime() - (30 * 60 + 15))) { // allow 15 seconds delay
throw new NotConfirmedException();
}
}
}
/**
* @template T
*
* @param ReflectionMethod $reflectionMethod
* @param string $annotationName
* @param class-string<T> $attributeClass
* @return boolean
*/
protected function hasAnnotationOrAttribute(ReflectionMethod $reflectionMethod, string $annotationName, string $attributeClass): bool {
if (!empty($reflectionMethod->getAttributes($attributeClass))) {
return true;
}
if ($this->reflector->hasAnnotation($annotationName)) {
$this->logger->debug($reflectionMethod->getDeclaringClass()->getName() . '::' . $reflectionMethod->getName() . ' uses the @' . $annotationName . ' annotation and should use the #[' . $attributeClass . '] attribute instead');
return true;
}
return false;
}
}
|
