|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Stadly\PasswordPolice\Rule; |
|
6
|
|
|
|
|
7
|
|
|
use StableSort\StableSort; |
|
8
|
|
|
use Stadly\PasswordPolice\Constraint\PositionConstraint; |
|
9
|
|
|
use Stadly\PasswordPolice\HashFunction; |
|
10
|
|
|
use Stadly\PasswordPolice\Password; |
|
11
|
|
|
use Stadly\PasswordPolice\Rule; |
|
12
|
|
|
use Stadly\PasswordPolice\ValidationError; |
|
13
|
|
|
use Symfony\Contracts\Translation\LocaleAwareInterface; |
|
14
|
|
|
use Symfony\Contracts\Translation\TranslatorInterface; |
|
15
|
|
|
|
|
16
|
|
|
final class NoReuseRule implements Rule |
|
17
|
|
|
{ |
|
18
|
|
|
/** |
|
19
|
|
|
* @var HashFunction Hash function. |
|
20
|
|
|
*/ |
|
21
|
|
|
private $hashFunction; |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* @var array<PositionConstraint> Rule constraints. |
|
25
|
|
|
*/ |
|
26
|
|
|
private $constraints = []; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* @param HashFunction $hashFunction Hash function to use when comparing passwords. |
|
30
|
|
|
* @param int|null $count Number of former passwords to consider. |
|
31
|
|
|
* @param int $first First former password to consider. |
|
32
|
|
|
* @param int $weight Constraint weight. |
|
33
|
|
|
*/ |
|
34
|
14 |
|
public function __construct(HashFunction $hashFunction, ?int $count = null, int $first = 0, int $weight = 1) |
|
35
|
|
|
{ |
|
36
|
14 |
|
$this->hashFunction = $hashFunction; |
|
37
|
14 |
|
$this->addConstraint($count, $first, $weight); |
|
38
|
11 |
|
} |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* @param int|null $count Number of former passwords to consider. |
|
42
|
|
|
* @param int $first First former password to consider. |
|
43
|
|
|
* @param int $weight Constraint weight. |
|
44
|
|
|
* @return $this |
|
45
|
|
|
*/ |
|
46
|
1 |
|
public function addConstraint(?int $count = null, int $first = 0, int $weight = 1): self |
|
47
|
|
|
{ |
|
48
|
1 |
|
$this->constraints[] = new PositionConstraint($first, $count, $weight); |
|
49
|
|
|
|
|
50
|
|
|
StableSort::usort($this->constraints, static function (PositionConstraint $a, PositionConstraint $b): int { |
|
51
|
1 |
|
return $b->getWeight() <=> $a->getWeight(); |
|
52
|
1 |
|
}); |
|
53
|
|
|
|
|
54
|
1 |
|
return $this; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* @return HashFunction Hash function. |
|
59
|
|
|
*/ |
|
60
|
1 |
|
public function getHashFunction(): HashFunction |
|
61
|
|
|
{ |
|
62
|
1 |
|
return $this->hashFunction; |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* Check whether a password is in compliance with the rule. |
|
67
|
|
|
* |
|
68
|
|
|
* @param Password|string $password Password to check. |
|
69
|
|
|
* @param int|null $weight Don't consider constraints with lower weights. |
|
70
|
|
|
* @return bool Whether the password is in compliance with the rule. |
|
71
|
|
|
*/ |
|
72
|
6 |
|
public function test($password, ?int $weight = null): bool |
|
73
|
|
|
{ |
|
74
|
6 |
|
$positions = $this->getPositions($password); |
|
75
|
6 |
|
$constraint = $this->getViolation($positions, $weight); |
|
76
|
|
|
|
|
77
|
6 |
|
return $constraint === null; |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
/** |
|
81
|
|
|
* Validate that a password is in compliance with the rule. |
|
82
|
|
|
* |
|
83
|
|
|
* @param Password|string $password Password to validate. |
|
84
|
|
|
* @param TranslatorInterface&LocaleAwareInterface $translator Translator for translating messages. |
|
85
|
|
|
* @return ValidationError|null Validation error describing why the password is not in compliance with the rule. |
|
86
|
|
|
*/ |
|
87
|
3 |
|
public function validate($password, TranslatorInterface $translator): ?ValidationError |
|
88
|
|
|
{ |
|
89
|
3 |
|
$positions = $this->getPositions($password); |
|
90
|
3 |
|
$constraint = $this->getViolation($positions); |
|
91
|
|
|
|
|
92
|
3 |
|
if ($constraint !== null) { |
|
93
|
2 |
|
return new ValidationError( |
|
94
|
2 |
|
$this->getMessage($constraint, $translator), |
|
95
|
2 |
|
$password, |
|
96
|
2 |
|
$this, |
|
97
|
2 |
|
$constraint->getWeight() |
|
98
|
|
|
); |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
1 |
|
return null; |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* @param array<int> $positions Positions of former passwords matching the password. |
|
106
|
|
|
* @param int|null $weight Don't consider constraints with lower weights. |
|
107
|
|
|
* @return PositionConstraint|null Constraint violated by the positions. |
|
108
|
|
|
*/ |
|
109
|
9 |
|
private function getViolation(array $positions, ?int $weight = null): ?PositionConstraint |
|
110
|
|
|
{ |
|
111
|
9 |
|
foreach ($this->constraints as $constraint) { |
|
112
|
9 |
|
if ($weight !== null && $constraint->getWeight() < $weight) { |
|
113
|
1 |
|
continue; |
|
114
|
|
|
} |
|
115
|
8 |
|
foreach ($positions as $position) { |
|
116
|
7 |
|
if ($constraint->test($position)) { |
|
117
|
8 |
|
return $constraint; |
|
118
|
|
|
} |
|
119
|
|
|
} |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
5 |
|
return null; |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
/** |
|
126
|
|
|
* @param Password|string $password Password to compare with former passwords. |
|
127
|
|
|
* @return array<int> Positions of former passwords matching the password. |
|
128
|
|
|
*/ |
|
129
|
9 |
|
private function getPositions($password): array |
|
130
|
|
|
{ |
|
131
|
9 |
|
$positions = []; |
|
132
|
|
|
|
|
133
|
9 |
|
if ($password instanceof Password) { |
|
134
|
8 |
|
$position = 0; |
|
135
|
8 |
|
foreach ($password->getFormerPasswords() as $formerPassword) { |
|
136
|
8 |
|
$passwordHash = $formerPassword->getHash(); |
|
137
|
8 |
|
if ($passwordHash !== null && $this->hashFunction->compare((string)$password, $passwordHash)) { |
|
138
|
8 |
|
$positions[] = $position; |
|
139
|
|
|
} |
|
140
|
8 |
|
++$position; |
|
141
|
|
|
} |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
9 |
|
return $positions; |
|
145
|
|
|
} |
|
146
|
|
|
|
|
147
|
|
|
/** |
|
148
|
|
|
* @param PositionConstraint $constraint Constraint that is violated. |
|
149
|
|
|
* @param TranslatorInterface&LocaleAwareInterface $translator Translator for translating messages. |
|
150
|
|
|
* @return string Message explaining the violation. |
|
151
|
|
|
*/ |
|
152
|
2 |
|
private function getMessage(PositionConstraint $constraint, TranslatorInterface $translator): string |
|
153
|
|
|
{ |
|
154
|
2 |
|
if ($constraint->getCount() === null) { |
|
155
|
1 |
|
return $translator->trans( |
|
156
|
1 |
|
'Formerly used passwords cannot be reused.' |
|
157
|
|
|
); |
|
158
|
|
|
} |
|
159
|
|
|
|
|
160
|
1 |
|
return $translator->trans( |
|
161
|
|
|
'The most recently used password cannot be reused.|' . |
|
162
|
1 |
|
'The %count% most recently used passwords cannot be reused.', |
|
163
|
1 |
|
['%count%' => $constraint->getCount()] |
|
164
|
|
|
); |
|
165
|
|
|
} |
|
166
|
|
|
} |
|
167
|
|
|
|