notchpay-php/src/NotchPay.php at main · NGcodeX/notchpay-php · GitHub

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<?php

namespace NotchPay;

use NotchPay\Exceptions\InvalidArgumentException;

class NotchPay
{
    /** @var string The Notch Pay API key to be used for requests. */
    public static string $apiKey;

    /** @var string|null The Private key to be used for requests. */
    public static ?string $privateKey = null;

    /** @var string|null The Sync ID to be used for requests. */
    public static ?string $syncId = null;

    /** @var string The instance API key, settable once per new instance */
    private $instanceApiKey;

    /** @var string The base URL for the Notch Pay API. */
    public static $apiBase = 'https://api.notchpay.co';

    /**
     * @return string the API key used for requests
     */
    public static function getApiKey(): string
    {
        return self::$apiKey;
    }

    /**
     * Sets the API key to be used for requests.
     *
     * @param string $apiKey
     */
    public static function setApiKey(string $apiKey): void
    {
        self::validateApiKey($apiKey);
        self::$apiKey = $apiKey;
    }

    /**
     * @return string|null the Private key used for requests
     */
    public static function getPrivateKey(): ?string
    {
        return self::$privateKey;
    }

    /**
     * Sets the Private key to be used for requests.
     *
     * @param string $privateKey
     */
    public static function setPrivateKey(string $privateKey): void
    {
        self::$privateKey = $privateKey;
    }

    /**
     * @return string|null the Sync ID used for requests
     */
    public static function getSyncId(): ?string
    {
        return self::$syncId;
    }

    /**
     * Sets the Sync ID to be used for requests.
     *
     * @param string $syncId
     */
    public static function setSyncId(string $syncId): void
    {
        self::$syncId = $syncId;
    }

    /**
     * Validates the API key format
     *
     * @param string $apiKey
     * @return bool
     * @throws InvalidArgumentException
     */
    private static function validateApiKey($apiKey): bool
    {
        if ($apiKey == '' || ! is_string($apiKey)) {
            throw new InvalidArgumentException('Api key must be a string and cannot be empty');
        }

        if(substr( $apiKey, 0, 2 ) !== "b." && substr( $apiKey, 0, 3 ) !== "sb."  && substr( $apiKey, 0, 3 ) !== "pk." && substr( $apiKey, 0, 8 ) !== "pk_test.") {
            throw new InvalidArgumentException('Api key must have a valid signature.');
        }
        return true;
    }
}