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Directory >> /home/stfcnsvu/public_html/wp-content/plugins/google-site-kit/third-party/google/auth/src/

File / Folder	Size	Action
.	-
Cache	--	ren
Credentials	--	ren
HttpHandler	--	ren
Middleware	--	ren
.htaccess	0.41KB	edt ren
AccessToken.php	19.242KB	edt ren
ApplicationDefaultCrede...	14.795KB	edt ren
CacheTrait.php	2.601KB	edt ren
CredentialsLoader.php	10.008KB	edt ren
FetchAuthTokenCache.php	8.875KB	edt ren
FetchAuthTokenInterface...	1.654KB	edt ren
GCECache.php	2.479KB	edt ren
GetQuotaProjectInterfac...	0.952KB	edt ren
Iam.php	3.282KB	edt ren
IamSignerTrait.php	2.416KB	edt ren
OAuth2.php	40.303KB	edt ren
ProjectIdProviderInterf...	0.968KB	edt ren
ServiceAccountSignerTra...	1.979KB	edt ren
SignBlobInterface.php	1.564KB	edt ren
UpdateMetadataInterface...	1.214KB	edt ren

<?php

/*
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * 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 "AS IS" 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 Google\Site_Kit_Dependencies\Google\Auth;

use Google\Site_Kit_Dependencies\Psr\Cache\CacheItemPoolInterface;
/**
 * A class to implement caching for any object implementing
 * FetchAuthTokenInterface
 */
class FetchAuthTokenCache implements \Google\Site_Kit_Dependencies\Google\Auth\FetchAuthTokenInterface, \Google\Site_Kit_Dependencies\Google\Auth\GetQuotaProjectInterface, \Google\Site_Kit_Dependencies\Google\Auth\SignBlobInterface, \Google\Site_Kit_Dependencies\Google\Auth\ProjectIdProviderInterface, \Google\Site_Kit_Dependencies\Google\Auth\UpdateMetadataInterface
{
    use CacheTrait;
    /**
     * @var FetchAuthTokenInterface
     */
    private $fetcher;
    /**
     * @var int
     */
    private $eagerRefreshThresholdSeconds = 10;
    /**
     * @param FetchAuthTokenInterface $fetcher A credentials fetcher
     * @param array<mixed> $cacheConfig Configuration for the cache
     * @param CacheItemPoolInterface $cache
     */
    public function __construct(\Google\Site_Kit_Dependencies\Google\Auth\FetchAuthTokenInterface $fetcher, array $cacheConfig = null, \Google\Site_Kit_Dependencies\Psr\Cache\CacheItemPoolInterface $cache)
    {
        $this->fetcher = $fetcher;
        $this->cache = $cache;
        $this->cacheConfig = \array_merge(['lifetime' => 1500, 'prefix' => ''], (array) $cacheConfig);
    }
    /**
     * @return FetchAuthTokenInterface
     */
    public function getFetcher()
    {
        return $this->fetcher;
    }
    /**
     * Implements FetchAuthTokenInterface#fetchAuthToken.
     *
     * Checks the cache for a valid auth token and fetches the auth tokens
     * from the supplied fetcher.
     *
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> the response
     * @throws \Exception
     */
    public function fetchAuthToken(callable $httpHandler = null)
    {
        if ($cached = $this->fetchAuthTokenFromCache()) {
            return $cached;
        }
        $auth_token = $this->fetcher->fetchAuthToken($httpHandler);
        $this->saveAuthTokenInCache($auth_token);
        return $auth_token;
    }
    /**
     * @return string
     */
    public function getCacheKey()
    {
        return $this->getFullCacheKey($this->fetcher->getCacheKey());
    }
    /**
     * @return array<mixed>|null
     */
    public function getLastReceivedToken()
    {
        return $this->fetcher->getLastReceivedToken();
    }
    /**
     * Get the client name from the fetcher.
     *
     * @param callable $httpHandler An HTTP handler to deliver PSR7 requests.
     * @return string
     */
    public function getClientName(callable $httpHandler = null)
    {
        if (!$this->fetcher instanceof \Google\Site_Kit_Dependencies\Google\Auth\SignBlobInterface) {
            throw new \RuntimeException('Credentials fetcher does not implement ' . 'Google\\Auth\\SignBlobInterface');
        }
        return $this->fetcher->getClientName($httpHandler);
    }
    /**
     * Sign a blob using the fetcher.
     *
     * @param string $stringToSign The string to sign.
     * @param bool $forceOpenSsl Require use of OpenSSL for local signing. Does
     *        not apply to signing done using external services. **Defaults to**
     *        `false`.
     * @return string The resulting signature.
     * @throws \RuntimeException If the fetcher does not implement
     *     `Google\Auth\SignBlobInterface`.
     */
    public function signBlob($stringToSign, $forceOpenSsl = \false)
    {
        if (!$this->fetcher instanceof \Google\Site_Kit_Dependencies\Google\Auth\SignBlobInterface) {
            throw new \RuntimeException('Credentials fetcher does not implement ' . 'Google\\Auth\\SignBlobInterface');
        }
        // Pass the access token from cache to GCECredentials for signing a blob.
        // This saves a call to the metadata server when a cached token exists.
        if ($this->fetcher instanceof \Google\Site_Kit_Dependencies\Google\Auth\Credentials\GCECredentials) {
            $cached = $this->fetchAuthTokenFromCache();
            $accessToken = isset($cached['access_token']) ? $cached['access_token'] : null;
            return $this->fetcher->signBlob($stringToSign, $forceOpenSsl, $accessToken);
        }
        return $this->fetcher->signBlob($stringToSign, $forceOpenSsl);
    }
    /**
     * Get the quota project used for this API request from the credentials
     * fetcher.
     *
     * @return string|null
     */
    public function getQuotaProject()
    {
        if ($this->fetcher instanceof \Google\Site_Kit_Dependencies\Google\Auth\GetQuotaProjectInterface) {
            return $this->fetcher->getQuotaProject();
        }
        return null;
    }
    /*
     * Get the Project ID from the fetcher.
     *
     * @param callable $httpHandler Callback which delivers psr7 request
     * @return string|null
     * @throws \RuntimeException If the fetcher does not implement
     *     `Google\Auth\ProvidesProjectIdInterface`.
     */
    public function getProjectId(callable $httpHandler = null)
    {
        if (!$this->fetcher instanceof \Google\Site_Kit_Dependencies\Google\Auth\ProjectIdProviderInterface) {
            throw new \RuntimeException('Credentials fetcher does not implement ' . 'Google\\Auth\\ProvidesProjectIdInterface');
        }
        return $this->fetcher->getProjectId($httpHandler);
    }
    /**
     * Updates metadata with the authorization token.
     *
     * @param array<mixed> $metadata metadata hashmap
     * @param string $authUri optional auth uri
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> updated metadata hashmap
     * @throws \RuntimeException If the fetcher does not implement
     *     `Google\Auth\UpdateMetadataInterface`.
     */
    public function updateMetadata($metadata, $authUri = null, callable $httpHandler = null)
    {
        if (!$this->fetcher instanceof \Google\Site_Kit_Dependencies\Google\Auth\UpdateMetadataInterface) {
            throw new \RuntimeException('Credentials fetcher does not implement ' . 'Google\\Auth\\UpdateMetadataInterface');
        }
        $cached = $this->fetchAuthTokenFromCache($authUri);
        if ($cached) {
            // Set the access token in the `Authorization` metadata header so
            // the downstream call to updateMetadata know they don't need to
            // fetch another token.
            if (isset($cached['access_token'])) {
                $metadata[self::AUTH_METADATA_KEY] = ['Bearer ' . $cached['access_token']];
            }
        }
        $newMetadata = $this->fetcher->updateMetadata($metadata, $authUri, $httpHandler);
        if (!$cached && ($token = $this->fetcher->getLastReceivedToken())) {
            $this->saveAuthTokenInCache($token, $authUri);
        }
        return $newMetadata;
    }
    /**
     * @param string|null $authUri
     * @return array<mixed>|null
     */
    private function fetchAuthTokenFromCache($authUri = null)
    {
        // Use the cached value if its available.
        //
        // TODO: correct caching; update the call to setCachedValue to set the expiry
        // to the value returned with the auth token.
        //
        // TODO: correct caching; enable the cache to be cleared.
        // if $authUri is set, use it as the cache key
        $cacheKey = $authUri ? $this->getFullCacheKey($authUri) : $this->fetcher->getCacheKey();
        $cached = $this->getCachedValue($cacheKey);
        if (\is_array($cached)) {
            if (empty($cached['expires_at'])) {
                // If there is no expiration data, assume token is not expired.
                // (for JwtAccess and ID tokens)
                return $cached;
            }
            if (\time() + $this->eagerRefreshThresholdSeconds < $cached['expires_at']) {
                // access token is not expired
                return $cached;
            }
        }
        return null;
    }
    /**
     * @param array<mixed> $authToken
     * @param string|null  $authUri
     * @return void
     */
    private function saveAuthTokenInCache($authToken, $authUri = null)
    {
        if (isset($authToken['access_token']) || isset($authToken['id_token'])) {
            // if $authUri is set, use it as the cache key
            $cacheKey = $authUri ? $this->getFullCacheKey($authUri) : $this->fetcher->getCacheKey();
            $this->setCachedValue($cacheKey, $authToken);
        }
    }
}

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