mirror of
https://github.com/woocommerce/woocommerce-paypal-payments.git
synced 2025-09-06 18:16:38 +08:00
124 lines
2.9 KiB
PHP
124 lines
2.9 KiB
PHP
<?php
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/**
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* Generates user ID token for payer.
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*
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* @package WooCommerce\PayPalCommerce\ApiClient\Authentication
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*/
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namespace WooCommerce\PayPalCommerce\ApiClient\Authentication;
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use Psr\Log\LoggerInterface;
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use WooCommerce\PayPalCommerce\ApiClient\Endpoint\RequestTrait;
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use WooCommerce\PayPalCommerce\ApiClient\Exception\PayPalApiException;
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use WooCommerce\PayPalCommerce\ApiClient\Exception\RuntimeException;
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use WooCommerce\PayPalCommerce\ApiClient\Helper\Cache;
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use WP_Error;
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/**
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* Class UserIdToken
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*/
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class UserIdToken {
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use RequestTrait;
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const CACHE_KEY = 'user-id-token-key';
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/**
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* The host.
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*
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* @var string
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*/
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private $host;
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/**
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* The logger.
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*
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* @var LoggerInterface
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*/
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private $logger;
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/**
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* The client credentials.
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*
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* @var ClientCredentials
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*/
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private $client_credentials;
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/**
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* The cache.
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*
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* @var Cache
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*/
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private $cache;
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/**
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* UserIdToken constructor.
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*
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* @param string $host The host.
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* @param LoggerInterface $logger The logger.
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* @param ClientCredentials $client_credentials The client credentials.
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* @param Cache $cache The cache.
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*/
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public function __construct(
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string $host,
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LoggerInterface $logger,
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ClientCredentials $client_credentials,
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Cache $cache
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) {
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$this->host = $host;
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$this->logger = $logger;
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$this->client_credentials = $client_credentials;
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$this->cache = $cache;
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}
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/**
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* Returns `id_token` which uniquely identifies the payer.
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*
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* @param string $target_customer_id Vaulted customer id.
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*
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* @return string
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*
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* @throws PayPalApiException If the request fails.
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* @throws RuntimeException If something unexpected happens.
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*/
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public function id_token( string $target_customer_id = '' ): string {
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if ( $this->cache->has( self::CACHE_KEY . '-' . (string) get_current_user_id() ) ) {
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return $this->cache->get( self::CACHE_KEY . '-' . (string) get_current_user_id() );
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}
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$url = trailingslashit( $this->host ) . 'v1/oauth2/token?grant_type=client_credentials&response_type=id_token';
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if ( $target_customer_id ) {
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$url = add_query_arg(
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array(
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'target_customer_id' => $target_customer_id,
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),
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$url
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);
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}
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$args = array(
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'method' => 'POST',
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'headers' => array(
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'Authorization' => $this->client_credentials->credentials(),
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'Content-Type' => 'application/x-www-form-urlencoded',
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),
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);
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$response = $this->request( $url, $args );
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if ( $response instanceof WP_Error ) {
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throw new RuntimeException( $response->get_error_message() );
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}
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$json = json_decode( $response['body'] );
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$status_code = (int) wp_remote_retrieve_response_code( $response );
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if ( 200 !== $status_code ) {
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throw new PayPalApiException( $json, $status_code );
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}
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$id_token = $json->id_token;
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$this->cache->set( self::CACHE_KEY . '-' . (string) get_current_user_id(), $id_token );
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return $id_token;
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}
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}
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