<h2>File Contents: /home/planet5/www/wp-content/plugins/wp-mail-smtp/vendor_prefixed/google/auth/src/copy_of_Iam.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/wp-content/plugins/wp-mail-smtp/vendor_prefixed/google/auth/src/copy_of_Iam.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php

/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an &quot;AS IS&quot; BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace WPMailSMTP\Vendor\Google\Auth;

use WPMailSMTP\Vendor\Google\Auth\HttpHandler\HttpClientCache;
use WPMailSMTP\Vendor\Google\Auth\HttpHandler\HttpHandlerFactory;
use WPMailSMTP\Vendor\GuzzleHttp\Psr7;
use WPMailSMTP\Vendor\GuzzleHttp\Psr7\Utils;
/**
 * Tools for using the IAM API.
 *
 * @see https://cloud.google.com/iam/docs IAM Documentation
 */
class Iam
{
    /**
     * @deprecated
     */
    const IAM_API_ROOT = &#039;https://iamcredentials.googleapis.com/v1&#039;;
    const SIGN_BLOB_PATH = &#039;%s:signBlob?alt=json&#039;;
    const SERVICE_ACCOUNT_NAME = &#039;projects/-/serviceAccounts/%s&#039;;
    private const IAM_API_ROOT_TEMPLATE = &#039;https://iamcredentials.UNIVERSE_DOMAIN/v1&#039;;
    /**
     * @var callable
     */
    private $httpHandler;
    private string $universeDomain;
    /**
     * @param callable $httpHandler [optional] The HTTP Handler to send requests.
     */
    public function __construct(?callable $httpHandler = null, string $universeDomain = GetUniverseDomainInterface::DEFAULT_UNIVERSE_DOMAIN)
    {
        $this-&gt;httpHandler = $httpHandler ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient());
        $this-&gt;universeDomain = $universeDomain;
    }
    /**
     * Sign a string using the IAM signBlob API.
     *
     * Note that signing using IAM requires your service account to have the
     * `iam.serviceAccounts.signBlob` permission, part of the &quot;Service Account
     * Token Creator&quot; IAM role.
     *
     * @param string $email The service account email.
     * @param string $accessToken An access token from the service account.
     * @param string $stringToSign The string to be signed.
     * @param array&lt;string&gt; $delegates [optional] A list of service account emails to
     *        add to the delegate chain. If omitted, the value of `$email` will
     *        be used.
     * @return string The signed string, base64-encoded.
     */
    public function signBlob($email, $accessToken, $stringToSign, array $delegates = [])
    {
        $httpHandler = $this-&gt;httpHandler;
        $name = \sprintf(self::SERVICE_ACCOUNT_NAME, $email);
        $apiRoot = \str_replace(&#039;UNIVERSE_DOMAIN&#039;, $this-&gt;universeDomain, self::IAM_API_ROOT_TEMPLATE);
        $uri = $apiRoot . &#039;/&#039; . \sprintf(self::SIGN_BLOB_PATH, $name);
        if ($delegates) {
            foreach ($delegates as &amp;$delegate) {
                $delegate = \sprintf(self::SERVICE_ACCOUNT_NAME, $delegate);
            }
        } else {
            $delegates = [$name];
        }
        $body = [&#039;delegates&#039; =&gt; $delegates, &#039;payload&#039; =&gt; \base64_encode($stringToSign)];
        $headers = [&#039;Authorization&#039; =&gt; &#039;Bearer &#039; . $accessToken];
        $request = new Psr7\Request(&#039;POST&#039;, $uri, $headers, Utils::streamFor(\json_encode($body)));
        $res = $httpHandler($request);
        $body = \json_decode((string) $res-&gt;getBody(), \true);
        return $body[&#039;signedBlob&#039;];
    }
}
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