Viewing file:  AuthorizationInjector.php (1.59 KB) -rw-r--r--
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<?php
/**
* @package PayPalCheckoutSdk/Core
*/
namespace Modules\Paypal\Services\Core;
use PayPalHttp\HttpRequest;
use PayPalHttp\Injector;
use PayPalHttp\HttpClient;
class AuthorizationInjector implements Injector
{
private $client;
private $environment;
private $refreshToken;
public $accessToken;
public function __construct(HttpClient $client, PayPalEnvironment $environment, $refreshToken)
{
$this->client = $client;
$this->environment = $environment;
$this->refreshToken = $refreshToken;
}
public function inject($request)
{
if (!$this->hasAuthHeader($request) && !$this->isAuthRequest($request)) {
if (is_null($this->accessToken) || $this->accessToken->isExpired()) {
$this->accessToken = $this->fetchAccessToken();
}
$request->headers['Authorization'] = 'Bearer ' . $this->accessToken->token;
}
}
private function fetchAccessToken()
{
$accessTokenResponse = $this->client->execute(new AccessTokenRequest($this->environment, $this->refreshToken));
$accessToken = $accessTokenResponse->result;
return new AccessToken($accessToken->access_token, $accessToken->token_type, $accessToken->expires_in);
}
private function isAuthRequest($request)
{
return $request instanceof AccessTokenRequest || $request instanceof RefreshTokenRequest;
}
private function hasAuthHeader(HttpRequest $request)
{
return array_key_exists("Authorization", $request->headers);
}
}
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