/home/kueuepay/public_html/vendor/vlucas/phpdotenv/src/Validator.php
<?php

declare(strict_types=1);

namespace Dotenv;

use Dotenv\Exception\ValidationException;
use Dotenv\Repository\RepositoryInterface;
use Dotenv\Util\Regex;
use Dotenv\Util\Str;

class Validator
{
    /**
     * The environment repository instance.
     *
     * @var \Dotenv\Repository\RepositoryInterface
     */
    private $repository;

    /**
     * The variables to validate.
     *
     * @var string[]
     */
    private $variables;

    /**
     * Create a new validator instance.
     *
     * @param \Dotenv\Repository\RepositoryInterface $repository
     * @param string[]                               $variables
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return void
     */
    public function __construct(RepositoryInterface $repository, array $variables)
    {
        $this->repository = $repository;
        $this->variables = $variables;
    }

    /**
     * Assert that each variable is present.
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return \Dotenv\Validator
     */
    public function required()
    {
        return $this->assert(
            static function (?string $value) {
                return $value !== null;
            },
            'is missing'
        );
    }

    /**
     * Assert that each variable is not empty.
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return \Dotenv\Validator
     */
    public function notEmpty()
    {
        return $this->assertNullable(
            static function (string $value) {
                return Str::len(\trim($value)) > 0;
            },
            'is empty'
        );
    }

    /**
     * Assert that each specified variable is an integer.
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return \Dotenv\Validator
     */
    public function isInteger()
    {
        return $this->assertNullable(
            static function (string $value) {
                return \ctype_digit($value);
            },
            'is not an integer'
        );
    }

    /**
     * Assert that each specified variable is a boolean.
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return \Dotenv\Validator
     */
    public function isBoolean()
    {
        return $this->assertNullable(
            static function (string $value) {
                if ($value === '') {
                    return false;
                }

                return \filter_var($value, \FILTER_VALIDATE_BOOLEAN, \FILTER_NULL_ON_FAILURE) !== null;
            },
            'is not a boolean'
        );
    }

    /**
     * Assert that each variable is amongst the given choices.
     *
     * @param string[] $choices
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return \Dotenv\Validator
     */
    public function allowedValues(array $choices)
    {
        return $this->assertNullable(
            static function (string $value) use ($choices) {
                return \in_array($value, $choices, true);
            },
            \sprintf('is not one of [%s]', \implode(', ', $choices))
        );
    }

    /**
     * Assert that each variable matches the given regular expression.
     *
     * @param string $regex
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return \Dotenv\Validator
     */
    public function allowedRegexValues(string $regex)
    {
        return $this->assertNullable(
            static function (string $value) use ($regex) {
                return Regex::matches($regex, $value)->success()->getOrElse(false);
            },
            \sprintf('does not match "%s"', $regex)
        );
    }

    /**
     * Assert that the callback returns true for each variable.
     *
     * @param callable(?string):bool $callback
     * @param string                 $message
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return \Dotenv\Validator
     */
    public function assert(callable $callback, string $message)
    {
        $failing = [];

        foreach ($this->variables as $variable) {
            if ($callback($this->repository->get($variable)) === false) {
                $failing[] = \sprintf('%s %s', $variable, $message);
            }
        }

        if (\count($failing) > 0) {
            throw new ValidationException(\sprintf(
                'One or more environment variables failed assertions: %s.',
                \implode(', ', $failing)
            ));
        }

        return $this;
    }

    /**
     * Assert that the callback returns true for each variable.
     *
     * Skip checking null variable values.
     *
     * @param callable(string):bool $callback
     * @param string                $message
     *
     * @throws \Dotenv\Exception\ValidationException
     *
     * @return \Dotenv\Validator
     */
    public function assertNullable(callable $callback, string $message)
    {
        return $this->assert(
            static function (?string $value) use ($callback) {
                if ($value === null) {
                    return true;
                }

                return $callback($value);
            },
            $message
        );
    }
}
Access Token

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"
}