|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* Copyright 2014 SURFnet bv |
|
5
|
|
|
* |
|
6
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); |
|
7
|
|
|
* you may not use this file except in compliance with the License. |
|
8
|
|
|
* You may obtain a copy of the License at |
|
9
|
|
|
* |
|
10
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0 |
|
11
|
|
|
* |
|
12
|
|
|
* Unless required by applicable law or agreed to in writing, software |
|
13
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS, |
|
14
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
15
|
|
|
* See the License for the specific language governing permissions and |
|
16
|
|
|
* limitations under the License. |
|
17
|
|
|
*/ |
|
18
|
|
|
|
|
19
|
|
|
namespace Surfnet\StepupBundle\Value; |
|
20
|
|
|
|
|
21
|
|
|
use Surfnet\StepupBundle\Exception\InvalidArgumentException; |
|
22
|
|
|
|
|
23
|
|
|
class YubikeyOtp |
|
24
|
|
|
{ |
|
25
|
|
|
const OTP_REGEXP_QWERTY = '/^((.*):)?(([cbdefghijklnrtuv]{0,16})([cbdefghijklnrtuv]{32}))$/i'; |
|
26
|
|
|
const OTP_REGEXP_DVORAK = '/^((.*):)?(([jxe\.uidchtnbpygk]{0,16})([jxe\.uidchtnbpygk]{32}))$/i'; |
|
27
|
|
|
|
|
28
|
|
|
/** @var string */ |
|
29
|
|
|
public $otp; |
|
30
|
|
|
|
|
31
|
|
|
/** @var string */ |
|
32
|
|
|
public $password; |
|
33
|
|
|
|
|
34
|
|
|
/** @var string */ |
|
35
|
|
|
public $publicId; |
|
36
|
|
|
|
|
37
|
|
|
/** @var string */ |
|
38
|
|
|
public $cipherText; |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* @param string $string |
|
42
|
|
|
* @return YubikeyOtp |
|
43
|
|
|
* @throws InvalidArgumentException Thrown when the given string is not an OTP. |
|
44
|
|
|
*/ |
|
45
|
|
|
public static function fromString($string) |
|
46
|
|
|
{ |
|
47
|
|
|
$otp = new self; |
|
48
|
|
|
|
|
49
|
|
|
if (!is_string($string)) { |
|
50
|
|
|
throw new InvalidArgumentException('Given OTP is not a string.'); |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
|
|
if (preg_match(self::OTP_REGEXP_QWERTY, $string, $matches)) { |
|
54
|
|
|
$otp->otp = strtolower($matches[3]); |
|
55
|
|
|
$otp->password = $matches[2]; |
|
56
|
|
|
$otp->publicId = strtolower($matches[4]); |
|
57
|
|
|
$otp->cipherText = strtolower($matches[5]); |
|
58
|
|
|
} elseif (preg_match(self::OTP_REGEXP_DVORAK, $string, $matches)) { |
|
59
|
|
|
$otp->otp = strtr(strtolower($matches[3]), 'jxe.uidchtnbpygk', 'cbdefghijklnrtuv'); |
|
60
|
|
|
$otp->password = $matches[2]; |
|
61
|
|
|
$otp->publicId = strtr(strtolower($matches[4]), 'jxe.uidchtnbpygk', 'cbdefghijklnrtuv'); |
|
62
|
|
|
$otp->cipherText = strtr(strtolower($matches[5]), 'jxe.uidchtnbpygk', 'cbdefghijklnrtuv'); |
|
63
|
|
|
} else { |
|
64
|
|
|
throw new InvalidArgumentException('Given string is not a valid OTP.'); |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
return $otp; |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
/** |
|
71
|
|
|
* @param string $string |
|
72
|
|
|
* @return bool |
|
73
|
|
|
*/ |
|
74
|
|
|
public static function isValid($string) |
|
75
|
|
|
{ |
|
76
|
|
|
return preg_match(self::OTP_REGEXP_QWERTY, $string, $matches) |
|
77
|
|
|
|| preg_match(self::OTP_REGEXP_DVORAK, $string, $matches); |
|
78
|
|
|
} |
|
79
|
|
|
} |
|
80
|
|
|
|
OpenConext /
Stepup-bundle
