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<?php
namespace WPForms\Integrations\Square\Api;
use Exception;
use WPForms\Vendor\Square\SquareClient;
use WPForms\Integrations\Square\Helpers;
use WPForms\Integrations\Square\WebhooksHealthCheck;
use WPForms\Vendor\Square\Models\WebhookSubscription;
use WPForms\Vendor\Square\Models\CreateWebhookSubscriptionRequest;
use WPForms\Vendor\Square\Models\UpdateWebhookSubscriptionRequest;
/**
* Webhooks Manager.
*
* @since 1.9.5
*/
class WebhooksManager {
/**
* Square client.
*
* @since 1.9.5
*
* @var SquareClient
*/
private $client;
/**
* Create webhook endpoint.
* Retrieve the existing one when the endpoint already exists.
*
* @since 1.9.5
*/
public function connect() {
// Security and permissions check.
if (
! check_ajax_referer( 'wpforms-admin', 'nonce', false ) ||
! wpforms_current_user_can()
) {
wp_send_json_error( [ 'message ' => esc_html__( 'You are not allowed to perform this action', 'wpforms-lite' ) ] );
}
$personal_access_token = ! empty( $_POST['token'] ) ? sanitize_text_field( wp_unslash( $_POST['token'] ) ) : '';
if ( empty( $personal_access_token ) ) {
wp_send_json_error( [ 'message' => esc_html__( 'Personal access token is required.', 'wpforms-lite' ) ] );
}
$webhook = $this->create( $personal_access_token );
// Register AS task.
( new WebhooksHealthCheck() )->maybe_schedule_task();
// Store endpoint ID and secret.
if ( ! empty( $webhook ) ) {
$this->save_settings( $webhook );
wp_send_json_success( [ 'message' => esc_html__( 'Webhook created successfully!', 'wpforms-lite' ) ] );
}
wp_send_json_error( [ 'message' => esc_html__( 'Failed to create webhook.', 'wpforms-lite' ) ] );
}
/**
* Create or update a webhook endpoint.
*
* @since 1.9.5
*
* @param string $personal_access_token Personal access token.
*
* @return array Endpoint ID and secret.
*/
private function create( string $personal_access_token ): array {
$this->client = new SquareClient(
[
'accessToken' => $personal_access_token,
'environment' => Helpers::get_mode(),
]
);
// Check if the webhook already exists.
$existing_webhook = $this->webhook_exists();
// Prepare a webhook subscription object.
$webhook_subscription = new WebhookSubscription();
$webhook_subscription->setName( sprintf( 'WPForms endpoint (%1$s mode)', Helpers::get_mode() ) );
$webhook_subscription->setNotificationUrl( Helpers::get_webhook_url() );
$webhook_subscription->setEventTypes( WebhookRoute::get_webhooks_events_list() );
$webhooks_api = $this->client->getWebhookSubscriptionsApi();
if ( $existing_webhook ) {
try {
// Create an update request and set the subscription payload.
$request = new UpdateWebhookSubscriptionRequest();
$request->setSubscription( $webhook_subscription );
// Update the existing webhook subscription.
$response = $webhooks_api->updateWebhookSubscription( $existing_webhook['id'], $request );
if ( $response->isSuccess() ) {
$subscription = $response->getResult()->getSubscription();
return [
'id' => $subscription->getId(),
'signature_key' => $existing_webhook['signature_key'] ?? '', // getSignatureKey() isn't available in the update response, fall back to the existing webhook's signature key.
];
}
// If the update fails, return the existing webhook details.
return $existing_webhook;
} catch ( Exception $e ) {
return $existing_webhook;
}
}
// Create a new webhook subscription if none exists.
$request = new CreateWebhookSubscriptionRequest( $webhook_subscription );
$request->setIdempotencyKey( uniqid() );
try {
// Create the webhook subscription.
$response = $webhooks_api->createWebhookSubscription( $request );
if ( $response->isSuccess() ) {
$subscription = $response->getResult()->getSubscription();
return [
'id' => $subscription->getId(),
'signature_key' => $subscription->getSignatureKey(),
];
}
return [];
} catch ( Exception $e ) {
return [];
}
}
/**
* Check if webhook already exists.
*
* @since 1.9.5
*
* @return array
*/
private function webhook_exists(): array {
try {
$response = $this->client->getWebhookSubscriptionsApi()->listWebhookSubscriptions();
if ( ! $response->isSuccess() || empty( $response->getResult()->getSubscriptions() ) ) {
return [];
}
foreach ( $response->getResult()->getSubscriptions() as $subscription ) {
if ( $subscription->getNotificationUrl() !== Helpers::get_webhook_url() ) {
continue;
}
$signature = $this->client->getWebhookSubscriptionsApi()->retrieveWebhookSubscription( $subscription->getId() );
return $signature->isSuccess() ? [
'id' => $signature->getResult()->getSubscription()->getId(),
'signature_key' => $signature->getResult()->getSubscription()->getSignatureKey(),
] : [];
}
} catch ( Exception $e ) {
return [];
}
return [];
}
/**
* Save webhook settings.
*
* @since 1.9.5
*
* @param array $webhook Webhook endpoint.
*/
private function save_settings( array $webhook ) {
$mode = Helpers::get_mode();
$settings = (array) get_option( 'wpforms_settings', [] );
// Save webhooks endpoint ID and secret.
$settings[ 'square-webhooks-id-' . $mode ] = sanitize_text_field( $webhook['id'] );
$settings[ 'square-webhooks-secret-' . $mode ] = sanitize_text_field( $webhook['signature_key'] );
WebhooksHealthCheck::save_status( WebhooksHealthCheck::ENDPOINT_OPTION, WebhooksHealthCheck::STATUS_OK );
// Enable webhooks setting shouldn't be rewritten.
if ( empty( $settings['square-webhooks-enabled'] ) ) {
$settings['square-webhooks-enabled'] = true;
}
update_option( 'wpforms_settings', $settings );
}
}