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<?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\Http;
use Google\Site_Kit_Dependencies\Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Site_Kit_Dependencies\Google\Service\Exception as GoogleServiceException;
use Google\Site_Kit_Dependencies\Google\Task\Runner;
use Google\Site_Kit_Dependencies\GuzzleHttp\ClientInterface;
use Google\Site_Kit_Dependencies\GuzzleHttp\Exception\RequestException;
use Google\Site_Kit_Dependencies\GuzzleHttp\Psr7\Response;
use Google\Site_Kit_Dependencies\Psr\Http\Message\RequestInterface;
use Google\Site_Kit_Dependencies\Psr\Http\Message\ResponseInterface;
/**
* This class implements the RESTful transport of apiServiceRequest()'s
*/
class REST
{
/**
* Executes a Psr\Http\Message\RequestInterface and (if applicable) automatically retries
* when errors occur.
*
* @template T
* @param ClientInterface $client
* @param RequestInterface $request
* @param class-string<T>|false|null $expectedClass
* @param array $config
* @param array $retryMap
* @return mixed|T|null
* @throws \Google\Service\Exception on server side error (ie: not authenticated,
* invalid or malformed post body, invalid url)
*/
public static function execute(\Google\Site_Kit_Dependencies\GuzzleHttp\ClientInterface $client, \Google\Site_Kit_Dependencies\Psr\Http\Message\RequestInterface $request, $expectedClass = null, $config = [], $retryMap = null)
{
$runner = new \Google\Site_Kit_Dependencies\Google\Task\Runner($config, \sprintf('%s %s', $request->getMethod(), (string) $request->getUri()), [\get_class(), 'doExecute'], [$client, $request, $expectedClass]);
if (null !== $retryMap) {
$runner->setRetryMap($retryMap);
}
return $runner->run();
}
/**
* Executes a Psr\Http\Message\RequestInterface
*
* @template T
* @param ClientInterface $client
* @param RequestInterface $request
* @param class-string<T>|false|null $expectedClass
* @return mixed|T|null
* @throws \Google\Service\Exception on server side error (ie: not authenticated,
* invalid or malformed post body, invalid url)
*/
public static function doExecute(\Google\Site_Kit_Dependencies\GuzzleHttp\ClientInterface $client, \Google\Site_Kit_Dependencies\Psr\Http\Message\RequestInterface $request, $expectedClass = null)
{
try {
$httpHandler = \Google\Site_Kit_Dependencies\Google\Auth\HttpHandler\HttpHandlerFactory::build($client);
$response = $httpHandler($request);
} catch (\Google\Site_Kit_Dependencies\GuzzleHttp\Exception\RequestException $e) {
// if Guzzle throws an exception, catch it and handle the response
if (!$e->hasResponse()) {
throw $e;
}
$response = $e->getResponse();
// specific checking for Guzzle 5: convert to PSR7 response
if (\interface_exists('Google\\Site_Kit_Dependencies\\GuzzleHttp\\Message\\ResponseInterface') && $response instanceof \Google\Site_Kit_Dependencies\GuzzleHttp\Message\ResponseInterface) {
$response = new \Google\Site_Kit_Dependencies\GuzzleHttp\Psr7\Response($response->getStatusCode(), $response->getHeaders() ?: [], $response->getBody(), $response->getProtocolVersion(), $response->getReasonPhrase());
}
}
return self::decodeHttpResponse($response, $request, $expectedClass);
}
/**
* Decode an HTTP Response.
* @static
*
* @template T
* @param RequestInterface $response The http response to be decoded.
* @param ResponseInterface $response
* @param class-string<T>|false|null $expectedClass
* @return mixed|T|null
* @throws \Google\Service\Exception
*/
public static function decodeHttpResponse(\Google\Site_Kit_Dependencies\Psr\Http\Message\ResponseInterface $response, \Google\Site_Kit_Dependencies\Psr\Http\Message\RequestInterface $request = null, $expectedClass = null)
{
$code = $response->getStatusCode();
// retry strategy
if (\intVal($code) >= 400) {
// if we errored out, it should be safe to grab the response body
$body = (string) $response->getBody();
// Check if we received errors, and add those to the Exception for convenience
throw new \Google\Site_Kit_Dependencies\Google\Service\Exception($body, $code, null, self::getResponseErrors($body));
}
// Ensure we only pull the entire body into memory if the request is not
// of media type
$body = self::decodeBody($response, $request);
if ($expectedClass = self::determineExpectedClass($expectedClass, $request)) {
$json = \json_decode($body, \true);
return new $expectedClass($json);
}
return $response;
}
private static function decodeBody(\Google\Site_Kit_Dependencies\Psr\Http\Message\ResponseInterface $response, \Google\Site_Kit_Dependencies\Psr\Http\Message\RequestInterface $request = null)
{
if (self::isAltMedia($request)) {
// don't decode the body, it's probably a really long string
return '';
}
return (string) $response->getBody();
}
private static function determineExpectedClass($expectedClass, \Google\Site_Kit_Dependencies\Psr\Http\Message\RequestInterface $request = null)
{
// "false" is used to explicitly prevent an expected class from being returned
if (\false === $expectedClass) {
return null;
}
// if we don't have a request, we just use what's passed in
if (null === $request) {
return $expectedClass;
}
// return what we have in the request header if one was not supplied
return $expectedClass ?: $request->getHeaderLine('X-Php-Expected-Class');
}
private static function getResponseErrors($body)
{
$json = \json_decode($body, \true);
if (isset($json['error']['errors'])) {
return $json['error']['errors'];
}
return null;
}
private static function isAltMedia(\Google\Site_Kit_Dependencies\Psr\Http\Message\RequestInterface $request = null)
{
if ($request && ($qs = $request->getUri()->getQuery())) {
\parse_str($qs, $query);
if (isset($query['alt']) && $query['alt'] == 'media') {
return \true;
}
}
return \false;
}
}