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<?php |
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namespace Slides\Connector\Auth\Webhooks; |
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use Illuminate\Support\Arr; |
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use Slides\Connector\Auth\Exceptions\WebhookException; |
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use Slides\Connector\Auth\Exceptions\WebhookValidationException; |
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use Slides\Connector\Auth\Concerns\WritesLogs; |
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use Slides\Connector\Auth\Contracts\Webhook as WebhookContract; |
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/** |
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* Class Dispatcher |
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* |
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* @package Slides\Connector\Auth\Webhooks |
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*/ |
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class Dispatcher |
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{ |
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use WritesLogs; |
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/** |
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* Handle a webhook. |
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* |
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* @param string $key |
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* @param array $payload |
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* |
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* @return array|null |
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* |
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* @throws WebhookException |
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* @throws WebhookValidationException |
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*/ |
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public function handle(string $key, array $payload) |
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{ |
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if(!$this->has($key)) { |
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throw new WebhookException("Webhook with key \"{$key}\" cannot be found."); |
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} |
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$webhook = $this->instantiate($key); |
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if(!$webhook->validate($payload)) { |
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throw new WebhookValidationException($webhook->getValidator()); |
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} |
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try { |
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return $webhook->handle($payload); |
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} |
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catch(\Exception $e) { |
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throw new WebhookException(get_class($webhook) . ': ' . $e->getMessage()); |
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} |
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} |
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/** |
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* Instantiate a webhook handler. |
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* |
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* @param string $key |
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* |
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* @return Webhook|WebhookContract |
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*/ |
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private function instantiate(string $key) |
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{ |
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$webhook = $this->get($key); |
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return app($webhook); |
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} |
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/** |
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* Check whether a given webhook exists. |
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* |
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* @param string $key |
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* |
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* @return bool |
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*/ |
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private function has(string $key): bool |
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{ |
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return array_key_exists($key, static::webhooks()); |
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} |
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/** |
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* Retrieve a class handler of by the webhook key. |
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* |
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* @param string $key |
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* @param string|null $default |
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* |
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* @return string|null |
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*/ |
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private function get(string $key, $default = null) |
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{ |
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return Arr::get(static::webhooks(), $key, $default); |
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} |
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/** |
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* The supported webhook identifiers. |
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* |
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* @return array |
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*/ |
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public static function webhooks() |
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{ |
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return [ |
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'user.sync' => UserSyncWebhook::class, |
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'assess.users' => AssessUsersWebhook::class |
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]; |
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} |
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} |