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<?php namespace Arcanedev\Stripe; |
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use Arcanedev\Stripe\Resources\Event; |
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use UnexpectedValueException; |
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/** |
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* Class Webhook |
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* |
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* @package Arcanedev\Stripe |
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* @author ARCANEDEV <[email protected]> |
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*/ |
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abstract class Webhook |
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{ |
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/* ----------------------------------------------------------------- |
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| Constants |
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| ----------------------------------------------------------------- |
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*/ |
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const DEFAULT_TOLERANCE = 300; |
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/* ----------------------------------------------------------------- |
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| Main Methods |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* Returns an Event instance using the provided JSON payload. |
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* |
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* Throws a `UnexpectedValueException` if the payload is not valid JSON, |
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* and a `SignatureVerificationException` if the signature verification fails for any reason. |
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* |
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* @param string $payload The payload sent by Stripe. |
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* @param string $sigHeader The contents of the signature header sent by Stripe. |
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* @param string $secret Secret used to generate the signature. |
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* @param int $tolerance Maximum difference allowed between the header's timestamp and the current time |
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* |
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* @return \Arcanedev\Stripe\Resources\Event the Event instance |
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* |
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* @throws UnexpectedValueException |
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*/ |
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public static function constructEvent($payload, $sigHeader, $secret, $tolerance = self::DEFAULT_TOLERANCE) |
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{ |
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$data = json_decode($payload, true); |
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$jsonError = json_last_error(); |
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if ($data === null && $jsonError !== JSON_ERROR_NONE) { |
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throw new UnexpectedValueException( |
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"Invalid payload: $payload (json_last_error() was $jsonError)" |
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); |
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} |
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/** @var \Arcanedev\Stripe\Resources\Event $event */ |
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$event = StripeObject::scopedConstructFrom(Event::class, $data, null); |
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WebhookSignature::verifyHeader($payload, $sigHeader, $secret, $tolerance); |
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return $event; |
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} |
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} |
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ARCANEDEV /
Stripe
