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<?php
use Google\Auth\CredentialsLoader;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Auth\FetchAuthTokenCache;
use Google\Auth\Subscriber\AuthTokenSubscriber;
use Google\Auth\Subscriber\ScopedAccessTokenSubscriber;
use Google\Auth\Subscriber\SimpleSubscriber;
use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use Psr\Cache\CacheItemPoolInterface;
/**
*
*/
class Google_AuthHandler_Guzzle5AuthHandler
{
protected $cache;
protected $cacheConfig;
public function __construct(CacheItemPoolInterface $cache = null, array $cacheConfig = [])
{
$this->cache = $cache;
$this->cacheConfig = $cacheConfig;
}
public function attachCredentials(
ClientInterface $http,
CredentialsLoader $credentials,
callable $tokenCallback = null
) {
// use the provided cache
if ($this->cache) {
$credentials = new FetchAuthTokenCache(
$credentials,
$this->cacheConfig,
$this->cache
);
}
// if we end up needing to make an HTTP request to retrieve credentials, we
// can use our existing one, but we need to throw exceptions so the error
// bubbles up.
$authHttp = $this->createAuthHttp($http);
$authHttpHandler = HttpHandlerFactory::build($authHttp);
$subscriber = new AuthTokenSubscriber(
$credentials,
$authHttpHandler,
$tokenCallback
);
$http->setDefaultOption('auth', 'google_auth');
$http->getEmitter()->attach($subscriber);
return $http;
}
public function attachToken(ClientInterface $http, array $token, array $scopes)
{
$tokenFunc = function ($scopes) use ($token) {
return $token['access_token'];
};
$subscriber = new ScopedAccessTokenSubscriber(
$tokenFunc,
$scopes,
$this->cacheConfig,
$this->cache
);
$http->setDefaultOption('auth', 'scoped');
$http->getEmitter()->attach($subscriber);
return $http;
}
public function attachKey(ClientInterface $http, $key)
{
$subscriber = new SimpleSubscriber(['key' => $key]);
$http->setDefaultOption('auth', 'simple');
$http->getEmitter()->attach($subscriber);
return $http;
}
private function createAuthHttp(ClientInterface $http)
{
return new Client(
[
'base_url' => $http->getBaseUrl(),
'defaults' => [
'exceptions' => true,
'verify' => $http->getDefaultOption('verify'),
'proxy' => $http->getDefaultOption('proxy'),
]
]
);
}
}
|
