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sportsnovate.com
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backups
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core
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vendor
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stripe
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stripe-php
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lib
<?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); } }
[-] ThreeDSecure.php
[edit]
[-] WebhookEndpoint.php
[edit]
[+]
Terminal
[-] ApplicationFeeRefund.php
[edit]
[-] WebhookSignature.php
[edit]
[-] OrderItem.php
[edit]
[-] PaymentIntent.php
[edit]
[-] StripeClientInterface.php
[edit]
[-] AlipayAccount.php
[edit]
[-] InvoiceItem.php
[edit]
[-] TransferReversal.php
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[-] StripeClient.php
[edit]
[+]
Sigma
[-] Coupon.php
[edit]
[-] File.php
[edit]
[-] BaseStripeClient.php
[edit]
[-] OAuth.php
[edit]
[-] Review.php
[edit]
[-] FileLink.php
[edit]
[-] LoginLink.php
[edit]
[-] Charge.php
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[+]
..
[-] Discount.php
[edit]
[-] Balance.php
[edit]
[+]
Exception
[-] CustomerBalanceTransaction.php
[edit]
[-] Payout.php
[edit]
[-] TaxRate.php
[edit]
[-] ApplicationFee.php
[edit]
[-] SubscriptionSchedule.php
[edit]
[-] ApplePayDomain.php
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[-] OAuthErrorObject.php
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[-] SetupIntent.php
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[-] ApiResource.php
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[-] Plan.php
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[-] Refund.php
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[-] InvoiceLineItem.php
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[-] CountrySpec.php
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[-] EphemeralKey.php
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[-] BitcoinTransaction.php
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[-] Card.php
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[-] Quote.php
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[-] SourceTransaction.php
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[-] Order.php
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[-] TaxId.php
[edit]
[-] Subscription.php
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[-] Account.php
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[-] AccountLink.php
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[-] Price.php
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[+]
Issuing
[-] Token.php
[edit]
[-] SetupAttempt.php
[edit]
[-] Stripe.php
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[-] Customer.php
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[-] Event.php
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[-] RequestTelemetry.php
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[-] StripeStreamingClientInterface.php
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[-] ExchangeRate.php
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[-] PromotionCode.php
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[+]
Checkout
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ApiOperations
[-] Mandate.php
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[-] Person.php
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[-] ApiResponse.php
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[-] BaseStripeClientInterface.php
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[-] Transfer.php
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[+]
Radar
[-] SKU.php
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[-] RecipientTransfer.php
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[-] Recipient.php
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[+]
HttpClient
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BillingPortal
[-] BalanceTransaction.php
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[-] ApiRequestor.php
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[-] Product.php
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[-] LineItem.php
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[+]
Reporting
[-] Capability.php
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[-] OrderReturn.php
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[-] CreditNote.php
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[-] UsageRecordSummary.php
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[-] PaymentMethod.php
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[-] UsageRecord.php
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[+]
Util
[-] Invoice.php
[edit]
[-] BankAccount.php
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[-] ErrorObject.php
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[-] Source.php
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[-] Topup.php
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[+]
Service
[-] Dispute.php
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[-] SubscriptionItem.php
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[-] SingletonApiResource.php
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[-] TaxCode.php
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[-] StripeObject.php
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[-] Webhook.php
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[-] CreditNoteLineItem.php
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[-] BitcoinReceiver.php
[edit]
[-] Collection.php
[edit]
[+]
Identity