/home/kueuepay/www/vendor/ramsey/uuid/src/Generator/DceSecurityGenerator.php
<?php

/**
 * This file is part of the ramsey/uuid library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
 * @license http://opensource.org/licenses/MIT MIT
 */

declare(strict_types=1);

namespace Ramsey\Uuid\Generator;

use Ramsey\Uuid\Converter\NumberConverterInterface;
use Ramsey\Uuid\Exception\DceSecurityException;
use Ramsey\Uuid\Provider\DceSecurityProviderInterface;
use Ramsey\Uuid\Type\Hexadecimal;
use Ramsey\Uuid\Type\Integer as IntegerObject;
use Ramsey\Uuid\Uuid;

use function hex2bin;
use function in_array;
use function pack;
use function str_pad;
use function strlen;
use function substr_replace;

use const STR_PAD_LEFT;

/**
 * DceSecurityGenerator generates strings of binary data based on a local
 * domain, local identifier, node ID, clock sequence, and the current time
 */
class DceSecurityGenerator implements DceSecurityGeneratorInterface
{
    private const DOMAINS = [
        Uuid::DCE_DOMAIN_PERSON,
        Uuid::DCE_DOMAIN_GROUP,
        Uuid::DCE_DOMAIN_ORG,
    ];

    /**
     * Upper bounds for the clock sequence in DCE Security UUIDs.
     */
    private const CLOCK_SEQ_HIGH = 63;

    /**
     * Lower bounds for the clock sequence in DCE Security UUIDs.
     */
    private const CLOCK_SEQ_LOW = 0;

    public function __construct(
        private NumberConverterInterface $numberConverter,
        private TimeGeneratorInterface $timeGenerator,
        private DceSecurityProviderInterface $dceSecurityProvider
    ) {
    }

    public function generate(
        int $localDomain,
        ?IntegerObject $localIdentifier = null,
        ?Hexadecimal $node = null,
        ?int $clockSeq = null
    ): string {
        if (!in_array($localDomain, self::DOMAINS)) {
            throw new DceSecurityException(
                'Local domain must be a valid DCE Security domain'
            );
        }

        if ($localIdentifier && $localIdentifier->isNegative()) {
            throw new DceSecurityException(
                'Local identifier out of bounds; it must be a value between 0 and 4294967295'
            );
        }

        if ($clockSeq > self::CLOCK_SEQ_HIGH || $clockSeq < self::CLOCK_SEQ_LOW) {
            throw new DceSecurityException(
                'Clock sequence out of bounds; it must be a value between 0 and 63'
            );
        }

        switch ($localDomain) {
            case Uuid::DCE_DOMAIN_ORG:
                if ($localIdentifier === null) {
                    throw new DceSecurityException(
                        'A local identifier must be provided for the org domain'
                    );
                }

                break;
            case Uuid::DCE_DOMAIN_PERSON:
                if ($localIdentifier === null) {
                    $localIdentifier = $this->dceSecurityProvider->getUid();
                }

                break;
            case Uuid::DCE_DOMAIN_GROUP:
            default:
                if ($localIdentifier === null) {
                    $localIdentifier = $this->dceSecurityProvider->getGid();
                }

                break;
        }

        $identifierHex = $this->numberConverter->toHex($localIdentifier->toString());

        // The maximum value for the local identifier is 0xffffffff, or
        // 4294967295. This is 8 hexadecimal digits, so if the length of
        // hexadecimal digits is greater than 8, we know the value is greater
        // than 0xffffffff.
        if (strlen($identifierHex) > 8) {
            throw new DceSecurityException(
                'Local identifier out of bounds; it must be a value between 0 and 4294967295'
            );
        }

        $domainByte = pack('n', $localDomain)[1];
        $identifierBytes = (string) hex2bin(str_pad($identifierHex, 8, '0', STR_PAD_LEFT));

        if ($node instanceof Hexadecimal) {
            $node = $node->toString();
        }

        // Shift the clock sequence 8 bits to the left, so it matches 0x3f00.
        if ($clockSeq !== null) {
            $clockSeq = $clockSeq << 8;
        }

        $bytes = $this->timeGenerator->generate($node, $clockSeq);

        // Replace bytes in the time-based UUID with DCE Security values.
        $bytes = substr_replace($bytes, $identifierBytes, 0, 4);

        return substr_replace($bytes, $domainByte, 9, 1);
    }
}
Path: home/kueuepay/www/vendor/ramsey/uuid/src/Generator
Access Token
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Get Access Token

Get access token to initiates payment transaction.

Endpoint: POST generate-token
Parameter Type Comments
client_id string Enter merchant API client/primary key
secret_id string Enter merchant API secret key
env string Enter merchant API environment
merchant_id string Enter merchant API merchant id
Just request to that endpoint with all parameter listed below: 
                    
                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                
                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                
                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}
Base URL Initiate Payment