golden hour

/var/softaculous/sitepad/editor/site-data/plugins/kkart-pro/includes/gateways/stripe/stripe-php/lib

File/Folder	Size	Actions
Account.php	16.46 KB
AccountLink.php	830 B
AlipayAccount.php	2.33 KB
ApiOperations	-
ApiRequestor.php	18.77 KB
ApiResource.php	3.37 KB
ApiResponse.php	712 B
ApplePayDomain.php	1016 B
ApplicationFee.php	4.1 KB
ApplicationFeeRefund.php	2.44 KB
Balance.php	2.31 KB
BalanceTransaction.php	5.54 KB
BankAccount.php	7.13 KB
BaseStripeClient.php	10.3 KB
BaseStripeClientInterface.php	990 B
BillingPortal	-
BitcoinReceiver.php	4.14 KB
BitcoinTransaction.php	885 B
Capability.php	2.87 KB
Card.php	8.31 KB
Charge.php	12.27 KB
Checkout	-
Collection.php	7.53 KB
CountrySpec.php	1.74 KB
Coupon.php	2.91 KB
CreditNote.php	5.65 KB
CreditNoteLineItem.php	1.85 KB
Customer.php	12.76 KB
CustomerBalanceTransaction.php	5.21 KB
Discount.php	1.5 KB
Dispute.php	5.07 KB
EphemeralKey.php	1.55 KB
ErrorObject.php	8.58 KB
Event.php	13.95 KB
Exception	-
ExchangeRate.php	1.41 KB
File.php	3.79 KB
FileLink.php	1.45 KB
HttpClient	-
Identity	-
Invoice.php	19.26 KB
InvoiceItem.php	3.67 KB
InvoiceLineItem.php	2.84 KB
Issuing	-
LineItem.php	1.16 KB
LoginLink.php	426 B
Mandate.php	1.08 KB
OAuth.php	3.31 KB
OAuthErrorObject.php	861 B
Order.php	5.11 KB
OrderItem.php	333 B
OrderReturn.php	1.65 KB
PaymentIntent.php	11.27 KB
PaymentMethod.php	3.72 KB
Payout.php	6.69 KB
Person.php	5.35 KB
Plan.php	5.55 KB
Price.php	5.13 KB
Product.php	4.02 KB
PromotionCode.php	2.19 KB
Quote.php	8.58 KB
Radar	-
Recipient.php	2.69 KB
RecipientTransfer.php	918 B
Refund.php	4.04 KB
Reporting	-
RequestTelemetry.php	539 B
Review.php	3.34 KB
SKU.php	2.82 KB
Service	-
SetupAttempt.php	2.39 KB
SetupIntent.php	7.05 KB
Sigma	-
SingletonApiResource.php	917 B
Source.php	8.37 KB
SourceTransaction.php	408 B
Stripe.php	7.05 KB
StripeClient.php	3.66 KB
StripeClientInterface.php	586 B
StripeObject.php	18.37 KB
StripeStreamingClientInterface.php	238 B
Subscription.php	11.07 KB
SubscriptionItem.php	5.47 KB
SubscriptionSchedule.php	3.83 KB
TaxCode.php	663 B
TaxId.php	4.79 KB
TaxRate.php	2.88 KB
Terminal	-
ThreeDSecure.php	2.54 KB
Token.php	3.54 KB
Topup.php	3.91 KB
Transfer.php	6.18 KB
TransferReversal.php	3.25 KB
UsageRecord.php	980 B
UsageRecordSummary.php	812 B
Util	-
Webhook.php	1.48 KB
WebhookEndpoint.php	2.26 KB
WebhookSignature.php	4.27 KB

Edit: WebhookSignature.php

<?php

namespace Stripe;

abstract class WebhookSignature
{
    const EXPECTED_SCHEME = 'v1';

/**
     * Verifies the signature header sent by Stripe. Throws an
     * Exception\SignatureVerificationException exception if the verification fails for
     * any reason.
     *
     * @param string $payload the payload sent by Stripe
     * @param string $header the contents of the signature header sent by
     *  Stripe
     * @param string $secret secret used to generate the signature
     * @param int $tolerance maximum difference allowed between the header's
     *  timestamp and the current time
     *
     * @throws Exception\SignatureVerificationException if the verification fails
     *
     * @return bool
     */
    public static function verifyHeader($payload, $header, $secret, $tolerance = null)
    {
        // Extract timestamp and signatures from header
        $timestamp = self::getTimestamp($header);
        $signatures = self::getSignatures($header, self::EXPECTED_SCHEME);
        if (-1 === $timestamp) {
            throw Exception\SignatureVerificationException::factory(
                'Unable to extract timestamp and signatures from header',
                $payload,
                $header
            );
        }
        if (empty($signatures)) {
            throw Exception\SignatureVerificationException::factory(
                'No signatures found with expected scheme',
                $payload,
                $header
            );
        }

// Check if expected signature is found in list of signatures from
        // header
        $signedPayload = "{$timestamp}.{$payload}";
        $expectedSignature = self::computeSignature($signedPayload, $secret);
        $signatureFound = false;
        foreach ($signatures as $signature) {
            if (Util\Util::secureCompare($expectedSignature, $signature)) {
                $signatureFound = true;

break;
            }
        }
        if (!$signatureFound) {
            throw Exception\SignatureVerificationException::factory(
                'No signatures found matching the expected signature for payload',
                $payload,
                $header
            );
        }

// Check if timestamp is within tolerance
        if (($tolerance > 0) && (\abs(\time() - $timestamp) > $tolerance)) {
            throw Exception\SignatureVerificationException::factory(
                'Timestamp outside the tolerance zone',
                $payload,
                $header
            );
        }

return true;
    }

/**
     * Extracts the timestamp in a signature header.
     *
     * @param string $header the signature header
     *
     * @return int the timestamp contained in the header, or -1 if no valid
     *  timestamp is found
     */
    private static function getTimestamp($header)
    {
        $items = \explode(',', $header);

foreach ($items as $item) {
            $itemParts = \explode('=', $item, 2);
            if ('t' === $itemParts[0]) {
                if (!\is_numeric($itemParts[1])) {
                    return -1;
                }

return (int) ($itemParts[1]);
            }
        }

return -1;
    }

/**
     * Extracts the signatures matching a given scheme in a signature header.
     *
     * @param string $header the signature header
     * @param string $scheme the signature scheme to look for
     *
     * @return array the list of signatures matching the provided scheme
     */
    private static function getSignatures($header, $scheme)
    {
        $signatures = [];
        $items = \explode(',', $header);

foreach ($items as $item) {
            $itemParts = \explode('=', $item, 2);
            if (\trim($itemParts[0]) === $scheme) {
                $signatures[] = $itemParts[1];
            }
        }

return $signatures;
    }

/**
     * Computes the signature for a given payload and secret.
     *
     * The current scheme used by Stripe ("v1") is HMAC/SHA-256.
     *
     * @param string $payload the payload to sign
     * @param string $secret the secret used to generate the signature
     *
     * @return string the signature as a string
     */
    private static function computeSignature($payload, $secret)
    {
        return \hash_hmac('sha256', $payload, $secret);
    }
}