Current File : /home2/selectio/www/fms-worksuite/vendor/google/apiclient/src/Http/REST.php
<?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\Http;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Service\Exception as GoogleServiceException;
use Google\Task\Runner;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Psr7\Response;
use Psr\Http\Message\RequestInterface;
use 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(
ClientInterface $client,
RequestInterface $request,
$expectedClass = null,
$config = [],
$retryMap = null
) {
$runner = new 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(ClientInterface $client, RequestInterface $request, $expectedClass = null)
{
try {
$httpHandler = HttpHandlerFactory::build($client);
$response = $httpHandler($request);
} catch (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('\GuzzleHttp\Message\ResponseInterface')
&& $response instanceof \GuzzleHttp\Message\ResponseInterface
) {
$response = new 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(
ResponseInterface $response,
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) $response->getBody();
// Check if we received errors, and add those to the Exception for convenience
throw new GoogleServiceException($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(ResponseInterface $response, 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, 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(RequestInterface $request = null)
{
if ($request && $qs = $request->getUri()->getQuery()) {
parse_str($qs, $query);
if (isset($query['alt']) && $query['alt'] == 'media') {
return true;
}
}
return false;
}
}
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