|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Loevgaard\Dandomain\Pay; |
|
4
|
|
|
|
|
5
|
|
|
use Psr\Http\Message\ServerRequestInterface; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* The Handler handles the request from Dandomain, typically a POST request with the order specific parameters |
|
9
|
|
|
* and turns that request into a PaymentRequest object. |
|
10
|
|
|
* |
|
11
|
|
|
* Also it provides helper methods for checking checksums |
|
12
|
|
|
*/ |
|
13
|
|
|
class Handler |
|
14
|
|
|
{ |
|
15
|
|
|
/** |
|
16
|
|
|
* @var string |
|
17
|
|
|
*/ |
|
18
|
|
|
protected $sharedKey1; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* @var string |
|
22
|
|
|
*/ |
|
23
|
|
|
protected $sharedKey2; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @var string |
|
27
|
|
|
*/ |
|
28
|
|
|
protected $checksum1; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @var string |
|
32
|
|
|
*/ |
|
33
|
|
|
protected $checksum2; |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* @var PaymentRequest |
|
37
|
|
|
*/ |
|
38
|
|
|
protected $paymentRequest; |
|
39
|
|
|
|
|
40
|
12 |
|
public function __construct(ServerRequestInterface $request, string $sharedKey1, string $sharedKey2) |
|
41
|
|
|
{ |
|
42
|
12 |
|
$paymentRequest = new PaymentRequest(); |
|
43
|
12 |
|
$paymentRequest->populateFromRequest($request); |
|
44
|
|
|
|
|
45
|
12 |
|
$this->paymentRequest = $paymentRequest; |
|
46
|
12 |
|
$this->sharedKey1 = $sharedKey1; |
|
47
|
12 |
|
$this->sharedKey2 = $sharedKey2; |
|
48
|
12 |
|
} |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* Returns true if the checksum given from Dandomain matches the checksum we can compute. |
|
52
|
|
|
* |
|
53
|
|
|
* @return bool |
|
54
|
|
|
*/ |
|
55
|
3 |
|
public function checksumMatches(): bool |
|
56
|
|
|
{ |
|
57
|
3 |
|
return $this->paymentRequest->getApiKey() === $this->getChecksum1(); |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* @return string |
|
62
|
|
|
*/ |
|
63
|
3 |
|
public function getChecksum1() |
|
64
|
|
|
{ |
|
65
|
3 |
|
if (!$this->checksum1) { |
|
66
|
3 |
|
$this->checksum1 = static::generateChecksum1( |
|
67
|
3 |
|
$this->paymentRequest->getOrderId(), |
|
68
|
3 |
|
$this->paymentRequest->getTotalAmount(), |
|
69
|
3 |
|
$this->sharedKey1, |
|
70
|
3 |
|
$this->paymentRequest->getPaymentGatewayCurrencyCode() |
|
71
|
|
|
); |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
3 |
|
return $this->checksum1; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* @return string |
|
79
|
|
|
*/ |
|
80
|
3 |
|
public function getChecksum2() |
|
81
|
|
|
{ |
|
82
|
3 |
|
if (!$this->checksum2) { |
|
83
|
3 |
|
$this->checksum2 = static::generateChecksum2( |
|
84
|
3 |
|
$this->paymentRequest->getOrderId(), |
|
85
|
3 |
|
$this->sharedKey2, |
|
86
|
3 |
|
$this->paymentRequest->getPaymentGatewayCurrencyCode() |
|
87
|
|
|
); |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
3 |
|
return $this->checksum2; |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* @param int $orderId |
|
95
|
|
|
* @param float $amount |
|
96
|
|
|
* @param string $sharedKey |
|
97
|
|
|
* @param int $currency |
|
98
|
|
|
* |
|
99
|
|
|
* @return string |
|
100
|
|
|
*/ |
|
101
|
6 |
|
public static function generateChecksum1(int $orderId, float $amount, string $sharedKey, int $currency): string |
|
102
|
|
|
{ |
|
103
|
|
|
// the amount needs to be formatted as a danish number, so we convert the float |
|
104
|
6 |
|
$amount = number_format($amount, 2, ',', ''); |
|
105
|
|
|
|
|
106
|
6 |
|
return strtolower(md5($orderId.'+'.$amount.'+'.$sharedKey.'+'.$currency)); |
|
107
|
|
|
} |
|
108
|
|
|
|
|
109
|
|
|
/** |
|
110
|
|
|
* Dandomain has a bug in their payment implementation where they don't |
|
111
|
|
|
* include amount in checksum on their complete/success page. |
|
112
|
|
|
* That is why we have a second method for computing that checksum. |
|
113
|
|
|
* |
|
114
|
|
|
* @param int $orderId |
|
115
|
|
|
* @param string $sharedKey |
|
116
|
|
|
* @param int $currency |
|
117
|
|
|
* |
|
118
|
|
|
* @return string |
|
119
|
|
|
*/ |
|
120
|
3 |
|
public static function generateChecksum2(int $orderId, string $sharedKey, int $currency): string |
|
121
|
|
|
{ |
|
122
|
3 |
|
return strtolower(md5($orderId.'+'.$sharedKey.'+'.$currency)); |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
/** |
|
126
|
|
|
* @return PaymentRequest |
|
127
|
|
|
*/ |
|
128
|
6 |
|
public function getPaymentRequest(): PaymentRequest |
|
129
|
|
|
{ |
|
130
|
6 |
|
return $this->paymentRequest; |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
/** |
|
134
|
|
|
* @param PaymentRequest $paymentRequest |
|
135
|
|
|
* |
|
136
|
|
|
* @return Handler |
|
137
|
|
|
*/ |
|
138
|
9 |
|
public function setPaymentRequest(PaymentRequest $paymentRequest): self |
|
139
|
|
|
{ |
|
140
|
9 |
|
$this->paymentRequest = $paymentRequest; |
|
141
|
|
|
|
|
142
|
9 |
|
return $this; |
|
143
|
|
|
} |
|
144
|
|
|
} |
|
145
|
|
|
|
loevgaard /
dandomain-pay-php-sdk
