|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace ByJG\Util; |
|
4
|
|
|
|
|
5
|
|
|
use Firebase\JWT\JWT; |
|
6
|
|
|
|
|
7
|
|
|
class JwtWrapper |
|
8
|
|
|
{ |
|
9
|
|
|
|
|
10
|
|
|
protected $serverName; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* @var JwtKeyInterface |
|
14
|
|
|
*/ |
|
15
|
|
|
protected $jwtKey; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
* JwtWrapper constructor. |
|
19
|
|
|
* @param string $serverName |
|
20
|
|
|
* @param JwtKeyInterface $jwtKey |
|
21
|
|
|
* @throws JwtWrapperException |
|
22
|
|
|
*/ |
|
23
|
18 |
|
public function __construct($serverName, $jwtKey) |
|
24
|
|
|
{ |
|
25
|
18 |
|
$this->serverName = $serverName; |
|
26
|
18 |
|
$this->jwtKey = $jwtKey; |
|
27
|
|
|
|
|
28
|
18 |
|
if (!($jwtKey instanceof JwtKeyInterface)) { |
|
|
|
|
|
|
29
|
|
|
throw new JwtWrapperException('Constructor needs to receive a JwtKeyInterface'); |
|
30
|
|
|
} |
|
31
|
18 |
|
} |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* @param $data |
|
35
|
|
|
* @param int $secondsExpire In Seconds |
|
36
|
|
|
* @param int $secondsNotBefore In Seconds |
|
37
|
|
|
* @return array |
|
38
|
|
|
*/ |
|
39
|
12 |
|
public function createJwtData($data, $secondsExpire = 60, $secondsNotBefore = 0) |
|
40
|
|
|
{ |
|
41
|
12 |
|
$tokenId = base64_encode(openssl_random_pseudo_bytes(32)); |
|
42
|
12 |
|
$issuedAt = time(); |
|
43
|
12 |
|
$notBefore = $issuedAt + $secondsNotBefore; //Adding 10 seconds |
|
44
|
12 |
|
$expire = $notBefore + $secondsExpire; // Adding 60 seconds |
|
45
|
12 |
|
$serverName = $this->serverName; // Retrieve the server name from config file |
|
46
|
|
|
|
|
47
|
|
|
/* |
|
48
|
|
|
* Create the token as an array |
|
49
|
|
|
*/ |
|
50
|
|
|
return [ |
|
51
|
12 |
|
'iat' => $issuedAt, // Issued at: time when the token was generated |
|
52
|
12 |
|
'jti' => $tokenId, // Json Token Id: an unique identifier for the token |
|
53
|
12 |
|
'iss' => $serverName, // Issuer |
|
54
|
12 |
|
'nbf' => $notBefore, // Not before |
|
55
|
12 |
|
'exp' => $expire, // Expire |
|
56
|
12 |
|
'data' => $data // Data related to the signer user |
|
57
|
|
|
]; |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
12 |
|
public function generateToken($jwtData) |
|
61
|
|
|
{ |
|
62
|
|
|
/* |
|
63
|
|
|
* Encode the array to a JWT string. |
|
64
|
|
|
* Second parameter is the key to encode the token. |
|
65
|
|
|
* |
|
66
|
|
|
* The output string can be validated at http://jwt.io/ |
|
67
|
|
|
*/ |
|
68
|
12 |
|
$jwt = JWT::encode( |
|
69
|
12 |
|
$jwtData, //Data to be encoded in the JWT |
|
70
|
12 |
|
$this->jwtKey->getPrivateKey(), // The signing key |
|
71
|
12 |
|
$this->jwtKey->getAlghoritm() |
|
72
|
|
|
); |
|
73
|
|
|
|
|
74
|
12 |
|
return $jwt; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* Extract the key, which is coming from the config file. |
|
79
|
|
|
* |
|
80
|
|
|
* Best suggestion is the key to be a binary string and |
|
81
|
|
|
* store it in encoded in a config file. |
|
82
|
|
|
* |
|
83
|
|
|
* Can be generated with base64_encode(openssl_random_pseudo_bytes(64)); |
|
84
|
|
|
* |
|
85
|
|
|
* keep it secure! You'll need the exact key to verify the |
|
86
|
|
|
* token later. |
|
87
|
|
|
* |
|
88
|
|
|
* @param null $bearer |
|
|
|
|
|
|
89
|
|
|
* @return object |
|
90
|
|
|
* @throws JwtWrapperException |
|
91
|
|
|
*/ |
|
92
|
18 |
|
public function extractData($bearer = null) |
|
93
|
|
|
{ |
|
94
|
18 |
|
if (empty($bearer)) { |
|
95
|
4 |
|
$bearer = $this->getAuthorizationBearer(); |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
16 |
|
$jwtData = JWT::decode( |
|
99
|
16 |
|
$bearer, |
|
100
|
16 |
|
$this->jwtKey->getPublicKey(), |
|
101
|
|
|
[ |
|
102
|
16 |
|
$this->jwtKey->getAlghoritm() |
|
103
|
|
|
] |
|
104
|
|
|
); |
|
105
|
|
|
|
|
106
|
6 |
|
if (isset($jwtData->iss) && $jwtData->iss != $this->serverName) { |
|
107
|
2 |
|
throw new JwtWrapperException("Issuer does not match"); |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
4 |
|
return $jwtData; |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
/** |
|
114
|
|
|
* @return mixed |
|
115
|
|
|
* @throws JwtWrapperException |
|
116
|
|
|
*/ |
|
117
|
4 |
|
public function getAuthorizationBearer() |
|
118
|
|
|
{ |
|
119
|
4 |
|
$authorization = isset($_SERVER['HTTP_AUTHORIZATION']) ? $_SERVER['HTTP_AUTHORIZATION'] : ""; |
|
120
|
4 |
|
list($bearer) = sscanf($authorization, 'Bearer %s'); |
|
121
|
|
|
|
|
122
|
4 |
|
if (empty($bearer)) { |
|
123
|
2 |
|
throw new JwtWrapperException('Absent authorization token'); |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
2 |
|
return $bearer; |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
public static function generateSecret($bytes) |
|
130
|
|
|
{ |
|
131
|
|
|
return base64_encode(openssl_random_pseudo_bytes($bytes)); |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
|
|
/** |
|
135
|
|
|
* @param int $seconds A value no more than few minutes (in seconds) e.g. 60 |
|
136
|
|
|
* @see: https://datatracker.ietf.org/doc/html/rfc7519#section-4.1.4 |
|
137
|
|
|
*/ |
|
138
|
|
|
public function setLeeway($seconds) |
|
139
|
|
|
{ |
|
140
|
|
|
JWT::$leeway = $seconds; |
|
141
|
|
|
} |
|
142
|
|
|
|
|
143
|
|
|
public function getLeeway() |
|
144
|
|
|
{ |
|
145
|
|
|
return JWT::$leeway; |
|
146
|
|
|
} |
|
147
|
|
|
} |
|
148
|
|
|
|
byjg /
jwt-wrapper
Loading history...