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feat(Storage): implement GCS idempotency tokens for all API operations #10
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| <?php | ||
|
|
||
| /** | ||
| * Copyright 2024 Google Inc. All Rights Reserved. | ||
| * | ||
| * 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\Cloud\Storage\Connection; | ||
|
|
||
| use Google\Cloud\Core\RequestWrapper; | ||
| use Psr\Http\Message\RequestInterface; | ||
| use Ramsey\Uuid\Uuid; | ||
|
|
||
| /** | ||
| * A wrapper for requests which adds an Idempotency Token. | ||
| * | ||
| * @internal | ||
| */ | ||
| class StorageRequestWrapper extends RequestWrapper | ||
| { | ||
| /** | ||
| * @param RequestInterface $request A PSR-7 request. | ||
| * @param array $options [optional] | ||
| * @return mixed | ||
| */ | ||
| public function send(RequestInterface $request, array $options = []) | ||
| { | ||
| $options = $this->addToken($request, $options); | ||
| return parent::send($request, $options); | ||
| } | ||
|
|
||
| /** | ||
| * @param RequestInterface $request A PSR-7 request. | ||
| * @param array $options [optional] | ||
| * @return mixed | ||
| */ | ||
| public function sendAsync(RequestInterface $request, array $options = []) | ||
| { | ||
| $options = $this->addToken($request, $options); | ||
| return parent::sendAsync($request, $options); | ||
| } | ||
|
|
||
| /** | ||
| * Helper to inject the token. | ||
| * | ||
| * @param RequestInterface $request | ||
| * @param array $options | ||
| * @return array | ||
| */ | ||
| private function addToken(RequestInterface $request, array $options) | ||
| { | ||
| $method = strtoupper($request->getMethod()); | ||
| if ($method === 'GET' || $method === 'HEAD' || $method === 'OPTIONS') { | ||
| return $options; | ||
| } | ||
|
|
||
| $hasTokenInOptions = false; | ||
| if (isset($options['restOptions']['headers'])) { | ||
| foreach ($options['restOptions']['headers'] as $key => $value) { | ||
| if (strtolower($key) === 'x-goog-gcs-idempotency-token') { | ||
| $hasTokenInOptions = true; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if (!$hasTokenInOptions && !$request->hasHeader('x-goog-gcs-idempotency-token')) { | ||
| $token = Uuid::uuid4()->toString(); | ||
| if (isset($options['retryHeaders'])) { | ||
| foreach ($options['retryHeaders'] as $header) { | ||
| if (strpos($header, 'gccl-invocation-id/') === 0) { | ||
| $extractedToken = substr($header, 19); | ||
| if ($extractedToken !== false && $extractedToken !== '') { | ||
| $token = $extractedToken; | ||
| } | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| $options['restOptions']['headers']['x-goog-gcs-idempotency-token'] = $token; | ||
| } | ||
| return $options; | ||
| } | ||
| } |
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ensure the idempotency token is resused in retry, don't change anyother header, add the scenario in unit tests
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I push the new test case please look.
x-goog-gcs-idempotency-tokenUUID is reused on the second retry attempt.