/home/kueuepay/public_html/vendor/league/oauth1-client/src/Credentials/RsaClientCredentials.php
<?php

namespace League\OAuth1\Client\Credentials;

use OpenSSLAsymmetricKey;

class RsaClientCredentials extends ClientCredentials
{
    /**
     * @var string
     */
    protected $rsaPublicKeyFile;

    /**
     * @var string
     */
    protected $rsaPrivateKeyFile;

    /**
     * @var resource|OpenSSLAsymmetricKey|null
     */
    protected $rsaPublicKey;

    /**
     * @var resource|OpenSSLAsymmetricKey|null
     */
    protected $rsaPrivateKey;

    /**
     * Sets the path to the RSA public key.
     *
     * @param string $filename
     *
     * @return self
     */
    public function setRsaPublicKey($filename)
    {
        $this->rsaPublicKeyFile = $filename;
        $this->rsaPublicKey = null;

        return $this;
    }

    /**
     * Sets the path to the RSA private key.
     *
     * @param string $filename
     *
     * @return self
     */
    public function setRsaPrivateKey($filename)
    {
        $this->rsaPrivateKeyFile = $filename;
        $this->rsaPrivateKey = null;

        return $this;
    }

    /**
     * Gets the RSA public key.
     *
     * @throws CredentialsException when the key could not be loaded.
     *
     * @return resource|OpenSSLAsymmetricKey
     */
    public function getRsaPublicKey()
    {
        if ($this->rsaPublicKey) {
            return $this->rsaPublicKey;
        }

        if ( ! file_exists($this->rsaPublicKeyFile)) {
            throw new CredentialsException('Could not read the public key file.');
        }

        $this->rsaPublicKey = openssl_get_publickey(file_get_contents($this->rsaPublicKeyFile));

        if ( ! $this->rsaPublicKey) {
            throw new CredentialsException('Cannot access public key for signing');
        }

        return $this->rsaPublicKey;
    }

    /**
     * Gets the RSA private key.
     *
     * @throws CredentialsException when the key could not be loaded.
     *
     * @return resource|OpenSSLAsymmetricKey
     */
    public function getRsaPrivateKey()
    {
        if ($this->rsaPrivateKey) {
            return $this->rsaPrivateKey;
        }

        if ( ! file_exists($this->rsaPrivateKeyFile)) {
            throw new CredentialsException('Could not read the private key file.');
        }

        $this->rsaPrivateKey = openssl_pkey_get_private(file_get_contents($this->rsaPrivateKeyFile));

        if ( ! $this->rsaPrivateKey) {
            throw new CredentialsException('Cannot access private key for signing');
        }

        return $this->rsaPrivateKey;
    }
}
Developer

Kueue Pay Payment Gateway Solutions Developer API Documentation

Welcome to the Kueue Pay Payment Gateway Solutions Developer API Documentation. This comprehensive guide will empower you to seamlessly integrate our advanced payment gateway into your website, enhancing your customers’ payment experience and enabling efficient transaction processing. The Kueue Pay Developer API is designed for developers and entrepreneurs who seek simplicity, security, and reliability in their payment processing solutions.

1. Introduction

The Kueue Pay Developer API allows you to seamlessly integrate Kueue Pay’s Payment Gateway Solutions into your website, enabling secure and efficient debit and credit card transactions. With our API, you can initiate payments, check payment statuses, and even process refunds, all while ensuring a smooth and streamlined payment experience for your customers.