FM / lib

/home/techb158/ileadtechnology.com/SSM/vendor/stripe/stripe-php/lib/

/home/techb158/ileadtechnology.com/SSM/vendor/stripe/stripe-php/lib

Name	Size	Mode	Actions
ApiOperations/	-	0755	rm
BillingPortal/	-	0755	rm
Checkout/	-	0755	rm
Exception/	-	0755	rm
HttpClient/	-	0755	rm
Issuing/	-	0755	rm
Radar/	-	0755	rm
Reporting/	-	0755	rm
Sigma/	-	0755	rm
Terminal/	-	0755	rm
Util/	-	0755	rm
Account.php	16166	0644	edit dl rm
AccountLink.php	789	0644	edit dl rm
AlipayAccount.php	2386	0644	edit dl rm
ApiRequestor.php	14711	0644	edit dl rm
ApiResource.php	3448	0644	edit dl rm
ApiResponse.php	712	0644	edit dl rm
ApplePayDomain.php	975	0644	edit dl rm
ApplicationFee.php	4162	0644	edit dl rm
ApplicationFeeRefund.php	2406	0644	edit dl rm
Balance.php	2173	0644	edit dl rm
BalanceTransaction.php	5375	0644	edit dl rm
BankAccount.php	6797	0644	edit dl rm
BitcoinReceiver.php	4138	0644	edit dl rm
BitcoinTransaction.php	844	0644	edit dl rm
Capability.php	2898	0644	edit dl rm
Card.php	7813	0644	edit dl rm
Charge.php	12222	0644	edit dl rm
Collection.php	7165	0644	edit dl rm
CountrySpec.php	1743	0644	edit dl rm
Coupon.php	2841	0644	edit dl rm
CreditNote.php	5595	0644	edit dl rm
CreditNoteLineItem.php	1770	0644	edit dl rm
Customer.php	12581	0644	edit dl rm
CustomerBalanceTransaction.php	5244	0644	edit dl rm
Discount.php	298	0644	edit dl rm
Dispute.php	5103	0644	edit dl rm
EphemeralKey.php	1545	0644	edit dl rm
ErrorObject.php	8661	0644	edit dl rm
Event.php	11700	0644	edit dl rm
ExchangeRate.php	1405	0644	edit dl rm
File.php	3115	0644	edit dl rm
FileLink.php	1394	0644	edit dl rm
Invoice.php	18452	0644	edit dl rm
InvoiceItem.php	3556	0644	edit dl rm
InvoiceLineItem.php	2593	0644	edit dl rm
LoginLink.php	385	0644	edit dl rm
Mandate.php	1063	0644	edit dl rm
OAuth.php	3393	0644	edit dl rm
OAuthErrorObject.php	861	0644	edit dl rm
Order.php	5127	0644	edit dl rm
OrderItem.php	333	0644	edit dl rm
OrderReturn.php	1648	0644	edit dl rm
PaymentIntent.php	10945	0644	edit dl rm
PaymentMethod.php	3082	0644	edit dl rm
Payout.php	5949	0644	edit dl rm
Person.php	4489	0644	edit dl rm
Plan.php	4883	0644	edit dl rm
Product.php	3976	0644	edit dl rm
Recipient.php	2841	0644	edit dl rm
RecipientTransfer.php	918	0644	edit dl rm
Refund.php	4042	0644	edit dl rm
RequestTelemetry.php	539	0644	edit dl rm
Review.php	3330	0644	edit dl rm
SetupIntent.php	6992	0644	edit dl rm
SingletonApiResource.php	917	0644	edit dl rm
SKU.php	2793	0644	edit dl rm
Source.php	8477	0644	edit dl rm
SourceTransaction.php	408	0644	edit dl rm
Stripe.php	7224	0644	edit dl rm
StripeObject.php	18869	0644	edit dl rm
Subscription.php	10559	0644	edit dl rm
SubscriptionItem.php	3997	0644	edit dl rm
SubscriptionSchedule.php	3749	0644	edit dl rm
TaxId.php	3895	0644	edit dl rm
TaxRate.php	1818	0644	edit dl rm
ThreeDSecure.php	2565	0644	edit dl rm
Token.php	3590	0644	edit dl rm
Topup.php	3903	0644	edit dl rm
Transfer.php	6229	0644	edit dl rm
TransferReversal.php	3226	0644	edit dl rm
UsageRecord.php	938	0644	edit dl rm
UsageRecordSummary.php	771	0644	edit dl rm
Webhook.php	1515	0644	edit dl rm
WebhookEndpoint.php	2219	0644	edit dl rm
WebhookSignature.php	4380	0644	edit dl rm

Edit: /home/techb158/ileadtechnology.com/SSM/vendor/stripe/stripe-php/lib/WebhookSignature.php (4380B)

<?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('=', $item, 2);
            if ($itemParts[0] === $scheme) {
                \array_push($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);
    }
}

cmd: