-
Notifications
You must be signed in to change notification settings - Fork 0
/
query.php
136 lines (110 loc) · 4.79 KB
/
query.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
<?php
// Initialize the session
session_start();
// Check if the user is logged in, if not then redirect him to the login page
if (!isset($_SESSION["loggedin"]) || $_SESSION["loggedin"] !== true) {
header("location: login.php");
exit;
}
// Include config and query file
require_once "config.php";
// Check if the session variables exist
if (isset($_SESSION['transactionReference']) && isset($_SESSION['orderId'])) {
$transactionReference = $_SESSION['transactionReference'];
$orderId = $_SESSION['orderId'];
// Pass the transaction reference to the checkTransaction function
$transactionChecker = new TransactionChecker();
$resp = $transactionChecker->checkTransaction($transactionReference);
} else {
echo '<p>Session variables not set.</p>';
}
class TransactionChecker {
private $apiUrl = "https://esb.interswitch.co.ke:19082/api/v1/merchant/transactions";
private $clientId = 'IKIA6C606D0831914E1A4694DF84622147D1BB8D5364'; // Replace with your Interswitch API client ID
private $clientSecretKey = 'Cq/IXOcEoxYKsIXRvjFTzdjqhR+AEpSWFdY8tSJKOx4='; // Replace with your Interswitch API client secret key
private $signatureMethod = 'SHA512';
public function checkTransaction($transactionRef) {
// Append the transactionRef to the API URL
$url = $this->apiUrl . '/' . urlencode(strval ("HrKzvbGisT"));
// Make a GET request to the API
$response = $this->makeGetRequest($url);
if ($response === false) {
echo "Error: Unable to connect to the API.\n";
}
else {
$data = $response;
if (isset($data['responseCode']) && in_array($data['responseCode'], ['00', '0'])) {
header("location: update_db.php");
return 'success';
}
else {
header("location: payment.php");
return 'failure';
// Output session variables to the browser's console
//echo '<script>';
//echo 'console.log("transactionReference: ' . $_SESSION['transactionReference'] . '");';
//echo 'console.log("orderId: ' . $_SESSION['orderId'] . '");';
//echo 'console.log("Session ID: ' . session_id() . '");';
//echo 'console.log("Session Status: ' . session_status() . '");';
//echo '</script>';
}
}
// Close the connection
mysqli_close($link);
}
private function makeGetRequest($url) {
// Generate InterswitchAuth headers
$headers = $this->generateInterswitchAuth('GET', $url); // Pass $url as the second parameter
// Initiate a cURL session
$ch = curl_init();
// Set the cURL options
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
// Execute the cURL session and get the response
$response = curl_exec($ch);
if (curl_errno($ch)) {
$error_message = curl_error($ch);
echo "cURL error: $error_message\n";
$response = false;
}
// Close the cURL session
curl_close($ch);
var_dump($response);
$responseData = json_decode($response, true);
return $responseData;
}
private function generateInterswitchAuth($httpMethod, $resourceUrl) {
$AUTHORIZATION_REALM = 'InterswitchAuth';
$ISO_8859_1 = 'ISO-8859-1';
$MERCHANT_ID = 'KENAIJA001';
// Timezone MUST be Africa.
$lagosTimeZone = new DateTimeZone('Africa/Nairobi');
$calendar = new DateTime('now', $lagosTimeZone);
// Timestamp must be in seconds.
$timestamp = $calendar->getTimestamp();
$uuid = uniqid();
$nonce = str_replace('-', '', $uuid);
$clientIdBase64 = base64_encode($this->clientId);
$authorization = $AUTHORIZATION_REALM . ' ' . $clientIdBase64;
$resourceUrl = str_replace("http://", "https://", $resourceUrl);
if ($httpMethod === "GET") {
$resourceUrl .= "?null";
}
$encodedResourceUrl = urlencode($resourceUrl);
$signatureCipher = $httpMethod . '&' . $encodedResourceUrl . '&' .
$timestamp . '&' . $nonce . '&' . $this->clientId . '&' . $this->clientSecretKey;
$signature = base64_encode(hash($this->signatureMethod, $signatureCipher, true));
$headers = [
'Authorization: ' . $authorization,
'Timestamp: ' . $timestamp,
'Nonce: ' . $nonce,
'SignatureMethod: ' . $this->signatureMethod,
'Signature: ' . $signature,
'Content-Type: application/json',
'merchantID: ' . $MERCHANT_ID,
];
return $headers;
}
}
?>