|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* This file is part of graze/gigya-client |
|
4
|
|
|
* |
|
5
|
|
|
* Copyright (c) 2016 Nature Delivered Ltd. <https://www.graze.com> |
|
6
|
|
|
* |
|
7
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
8
|
|
|
* file that was distributed with this source code. |
|
9
|
|
|
* |
|
10
|
|
|
* @license https://github.com/graze/gigya-client/blob/master/LICENSE.md |
|
11
|
|
|
* @link https://github.com/graze/gigya-client |
|
12
|
|
|
*/ |
|
13
|
|
|
|
|
14
|
|
|
namespace Graze\Gigya\Validation; |
|
15
|
|
|
|
|
16
|
|
|
class Signature |
|
17
|
|
|
{ |
|
18
|
|
|
const TIMESTAMP_OFFSET = 180; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* @param int $timestamp Unix Timestamp |
|
22
|
|
|
* |
|
23
|
|
|
* @return bool |
|
24
|
|
|
*/ |
|
25
|
5 |
|
public function checkTimestamp($timestamp) |
|
26
|
|
|
{ |
|
27
|
5 |
|
return (abs(time() - $timestamp) <= static::TIMESTAMP_OFFSET); |
|
28
|
|
|
} |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @param string $uid |
|
32
|
|
|
* @param int $timestamp |
|
33
|
|
|
* @param string $secret |
|
34
|
|
|
* |
|
35
|
|
|
* @return string |
|
36
|
|
|
*/ |
|
37
|
8 |
|
public function getUidSignature($uid, $timestamp, $secret) |
|
38
|
|
|
{ |
|
39
|
8 |
|
$baseString = $timestamp . '_' . $uid; |
|
40
|
|
|
|
|
41
|
8 |
|
return $this->calculateSignature($baseString, $secret); |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
|
|
/** |
|
45
|
|
|
* @param string $uid |
|
46
|
|
|
* @param string $friendUid |
|
47
|
|
|
* @param int $timestamp |
|
48
|
|
|
* @param string $secret |
|
49
|
|
|
* |
|
50
|
|
|
* @return string |
|
51
|
|
|
*/ |
|
52
|
6 |
|
public function getFriendUidSignature($uid, $friendUid, $timestamp, $secret) |
|
53
|
|
|
{ |
|
54
|
6 |
|
$baseString = sprintf('%d_%s_%s', $timestamp, $friendUid, $uid); |
|
55
|
|
|
|
|
56
|
6 |
|
return $this->calculateSignature($baseString, $secret); |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* @param string $baseString |
|
61
|
|
|
* @param string $key |
|
62
|
|
|
* |
|
63
|
|
|
* @return string |
|
64
|
|
|
*/ |
|
65
|
19 |
|
public function calculateSignature($baseString, $key) |
|
66
|
|
|
{ |
|
67
|
19 |
|
$hmac = hash_hmac('sha1', utf8_encode($baseString), base64_decode($key), true); |
|
68
|
|
|
|
|
69
|
19 |
|
return base64_encode($hmac); |
|
70
|
|
|
} |
|
71
|
|
|
} |
|
72
|
|
|
|
graze /
gigya-client
