<?php

$merchantId = "1ed7f693-fb13-4f0a-b31b-a3e01ed8c79e";
$merchantAccountId = "d177df6e-8fe8-4a99-ac51-7aeb1459b17d";
$merchantAccountUserName = "CRIP.TO26216261bb0c";
$merchantAccountPassword = "5feccc29b0974d6e99bf1ede7d424c8d";
$key = "9181d29aafe6761b";

$encryptedAccountUsername = encryptDataInBase64($merchantAccountUserName,$key);
$encryptedAccountPassword = encryptDataInBase64($merchantAccountPassword,$key);
$merchantIdHash = hashDataInBase64($merchantId);
$merchantAccountIdHash = hashDataInBase64($merchantAccountId);

$requestTime = date('Y-m-d H:i:s');
$signature = null;
$lang = "en";

$transactionInfo = [
    'apiVersion' => '1.0.0',
    'requestId'=> 'DEMOREQ'.rand(),
    'txSource'=> '1',
    'recurrentType'=> '1',
    'perform3DS'=> '0',
    'orderData'=> [
        'orderId'=> 'DEMOREQORDERID'.rand(),
        'orderDescription'=> 'test order',
        'amount'=> '10',
        'currencyCode'=> 'USD',
        'billingAddress'=> [
            "firstName"=>"kunal",
            "lastName"=>"kunal",
            "address1"=>"hadapsar",
            "address2"=>"hadapsar",
            "city"=>"Pune",
            "zipcode"=>"12345",
            "stateCode"=>"MH",
            "countryCode"=>"IN",
            "mobile"=>"1234567890",
            "phone"=>"12345678",
            "email"=>"test@gmail.com",
            "fax"=>"+49 9131 23 28732"
        ],
        "shippingAddress"=> null,
        "personalAddress"=> null,
    ],
    "statementText"=>"Demo website payment",
    "cancelUrl"=>"https://pluscapitals.com/",
    "returnUrl"=>"https://pluscapitals.com/",
    "notificationUrl"=>"https://pluscapitals.com/",
];

$signature = createSignature(generateSignature(), $key);

// echo $encryptedAccountUsername."<br>";
// echo $encryptedAccountPassword."<br>";
// echo $merchantIdHash."<br>";
// echo $merchantAccountIdHash."<br>";

$array = [
    'requestTime'=> $requestTime,
    'merchantIdHash'=> $merchantIdHash,
    'merchantAccountIdHash'=> $merchantAccountIdHash,
    'encryptedAccountUsername'=> $encryptedAccountUsername,
    'encryptedAccountPassword'=> $encryptedAccountPassword,
    'signature'=> $signature,
    'lang'=> $lang,
    'transactionInfo'=> $transactionInfo
];

$json = json_encode($array);
$base64Json = base64_encode($json);

//FROM DOCUMENTATION - Encryption - (AES-128-ECB-PKCS5Padding)
//FOR encryptedAccountUsername and encryptedAccountPassword
function encryptDataInBase64($input, $key){
    $alg = MCRYPT_RIJNDAEL_128;
    $mode = MCRYPT_MODE_ECB;
    $block_size = mcrypt_get_block_size($alg, $mode);
    $pad = $block_size - (strlen($input) % $block_size);
    $input .= str_repeat(chr($pad), $pad);
    $crypttext = mcrypt_encrypt($alg, $key, $input , $mode);
    $encryptDataInBase64 = base64_encode($crypttext);
    return $encryptDataInBase64;
}

//FROM DOCUMENTATION - SHA256 IN BASE64
//FOR merchantIdHash and merchantAccountIdHash
function hashDataInBase64($input){
    $output = hash('sha256',$input,true);
    $hashDataInBase64 = base64_encode($output);
    return $hashDataInBase64;
}

//FROM DOCUMENTATION - GENERATE SIGNATURE
function createSignature($input,$key){
        $alg = MCRYPT_RIJNDAEL_128;
        $mode = MCRYPT_MODE_ECB;
        $block_size = mcrypt_get_block_size($alg, $mode);
        $pad = $block_size - (strlen($input) % $block_size);
        $input .= str_repeat(chr($pad), $pad);
        $crypttext = mcrypt_encrypt($alg,$key, $input , $mode);
        $output = hash('sha256',$crypttext,true);
        $signature = base64_encode($output);
        return $signature ;
}


function generateSignature(){
    global $requestTime,$merchantIdHash,$merchantAccountIdHash,$encryptedAccountUsername,$encryptedAccountPassword,$transactionInfo;
    $str = "";
    $str.=$requestTime.
    $str.=$merchantIdHash;
    $str.=$merchantAccountIdHash;
    $str.=$encryptedAccountUsername;
    $str.=$encryptedAccountPassword;
    $str.=$transactionInfo['apiVersion'];
    $str.=$transactionInfo['requestId'];
    $str.=$transactionInfo['txSource'];
    $str.=$transactionInfo['recurrentType'];
    $str.=$transactionInfo['orderData']['orderId'];
    $str.=$transactionInfo['orderData']['orderDescription'];
    $str.=$transactionInfo['orderData']['amount'];
    $str.=$transactionInfo['orderData']['currencyCode'];
    $str.=$transactionInfo['orderData']['billingAddress']['firstName'];
    $str.=$transactionInfo['orderData']['billingAddress']['lastName'];
    $str.=$transactionInfo['orderData']['billingAddress']['address1'];
    $str.=$transactionInfo['orderData']['billingAddress']['address2'];
    $str.=$transactionInfo['orderData']['billingAddress']['city'];
    $str.=$transactionInfo['orderData']['billingAddress']['zipcode'];
    $str.=$transactionInfo['orderData']['billingAddress']['stateCode'];
    $str.=$transactionInfo['orderData']['billingAddress']['countryCode'];
    $str.=$transactionInfo['orderData']['billingAddress']['mobile'];
    $str.=$transactionInfo['orderData']['billingAddress']['phone'];
    $str.=$transactionInfo['orderData']['billingAddress']['email'];
    $str.=$transactionInfo['orderData']['billingAddress']['fax'];
    $str.=$transactionInfo['statementText'];
    $str.=$transactionInfo['cancelUrl'];
    $str.=$transactionInfo['returnUrl'];
    $str.=$transactionInfo['notificationUrl'];
    return $str;
}

?>

<html>
<head>
<body OnLoad="AutoSubmitForm();">
<form name="payForm" id="payForm" action="https://securemasterpay.com/FE/rest/tx/purchase/w/execute" method="POST">
<input type="hidden" name="request" value="<?php echo $base64Json ?>">
<script>
function AutoSubmitForm() {
    console.log("submit form");
    document.payForm.submit();
}
</script>
<h3>Transaction is in progress. Please wait...</h3>
</body>
</html>