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<?php |
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|
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/** |
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* Copyright 2024 Google Inc. All Rights Reserved. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Dudlewebs\WPMCS\GCP\Google\Auth\Logging; |
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|
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use Dudlewebs\WPMCS\GCP\Psr\Log\LogLevel; |
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/** |
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* A trait used to call a PSR-3 logging interface. |
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* |
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* @internal |
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*/ |
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trait LoggingTrait |
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{ |
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/** |
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* @param RpcLogEvent $event |
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*/ |
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private function logRequest(RpcLogEvent $event) : void |
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{ |
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$debugEvent = ['timestamp' => $event->timestamp, 'severity' => \strtoupper(LogLevel::DEBUG), 'processId' => $event->processId ?? null, 'requestId' => $event->requestId ?? null, 'rpcName' => $event->rpcName ?? null]; |
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$debugEvent = \array_filter($debugEvent, fn($value) => !\is_null($value)); |
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$jsonPayload = ['request.method' => $event->method, 'request.url' => $event->url, 'request.headers' => $event->headers, 'request.payload' => $this->truncatePayload($event->payload), 'request.jwt' => $this->getJwtToken($event->headers ?? []), 'retryAttempt' => $event->retryAttempt]; |
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// Remove null values |
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$debugEvent['jsonPayload'] = \array_filter($jsonPayload, fn($value) => !\is_null($value)); |
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$stringifiedEvent = \json_encode($debugEvent, \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE); |
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// There was an error stringifying the event, return to not break execution |
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if ($stringifiedEvent === \false) { |
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return; |
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} |
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$this->logger->debug($stringifiedEvent); |
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} |
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/** |
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* @param RpcLogEvent $event |
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*/ |
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private function logResponse(RpcLogEvent $event) : void |
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{ |
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$debugEvent = ['timestamp' => $event->timestamp, 'severity' => \strtoupper(LogLevel::DEBUG), 'processId' => $event->processId ?? null, 'requestId' => $event->requestId ?? null, 'jsonPayload' => ['response.status' => $event->status, 'response.headers' => $event->headers, 'response.payload' => $this->truncatePayload($event->payload), 'latencyMillis' => $event->latency]]; |
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// Remove null values |
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$debugEvent = \array_filter($debugEvent, fn($value) => !\is_null($value)); |
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$debugEvent['jsonPayload'] = \array_filter($debugEvent['jsonPayload'], fn($value) => !\is_null($value)); |
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$stringifiedEvent = \json_encode($debugEvent, \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE); |
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// There was an error stringifying the event, return to not break execution |
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if ($stringifiedEvent !== \false) { |
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$this->logger->debug($stringifiedEvent); |
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} |
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} |
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/** |
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* @param array<mixed> $headers |
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* @return null|array<string, string|false> |
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*/ |
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private function getJwtToken(array $headers) : null|array |
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{ |
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if (empty($headers)) { |
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return null; |
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} |
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$tokenHeader = $headers['Authorization'] ?? ''; |
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$token = \str_replace('Bearer ', '', $tokenHeader); |
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if (\substr_count($token, '.') !== 2) { |
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return null; |
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} |
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[$header, $token, $_] = \explode('.', $token); |
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return ['header' => \base64_decode($header), 'token' => \base64_decode($token)]; |
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} |
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/** |
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* @param null|string $payload |
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* @return string |
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*/ |
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private function truncatePayload(null|string $payload) : null|string |
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{ |
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$maxLength = 500; |
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if (\is_null($payload) || \strlen($payload) <= $maxLength) { |
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return $payload; |
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} |
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return \substr($payload, 0, $maxLength) . '...'; |
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} |
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} |
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