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<?php |
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declare(strict_types=1); |
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/** |
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* Caridea |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not |
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* use this file except in compliance with the License. You may obtain a copy of |
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* 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, WITHOUT |
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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* License for the specific language governing permissions and limitations under |
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* the License. |
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* |
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* @copyright 2017-2018 LibreWorks contributors |
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* @license Apache-2.0 |
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*/ |
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namespace Caridea\Dispatch\Middleware; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Psr\Log\LogLevel; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\LoggerAwareInterface; |
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/** |
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* Catches exceptions, logs them, and re-throws. |
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* |
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* Requires the PSR-3 library. |
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* |
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* If the logger itself throws an Exception, it's silently discarded. |
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* |
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* @copyright 2017-2018 LibreWorks contributors |
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* @license Apache-2.0 |
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*/ |
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class Reporter implements MiddlewareInterface, LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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/** |
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* @var array<string,string> Stores the Exception class name to log level |
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*/ |
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private $levels; |
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/** |
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* Creates a new Reporter middleware. |
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* |
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* If an exception isn't found in the `$levels` map, this class assumes a |
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* level of `LogLevel::ERROR`. |
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* |
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* ```php |
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* $elog = new ErrorLogger( |
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* $logger, |
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* ["MyException" => LogLevel::DEBUG, "RuntimeException" => LogLevel::WARN] |
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* ); |
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* ``` |
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* |
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* @param \Psr\Log\LoggerInterface|null $logger The logger; will use `Psr\Log\NullLogger` by default |
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* @param array|null $levels Map of Exception names to log levels. Order matters! |
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*/ |
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3 |
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public function __construct(LoggerInterface $logger = null, array $levels = null) |
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{ |
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3 |
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$this->logger = $logger ?? new \Psr\Log\NullLogger(); |
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3 |
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$this->levels = $levels === null ? [] : array_map(function ($a) { |
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return (string) $a; |
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3 |
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}, $levels); |
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3 |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* If the logger throws an exception, it's silently discarded. |
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*/ |
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3 |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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try { |
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3 |
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return $handler->handle($request); |
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3 |
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} catch (\Throwable $e) { |
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3 |
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$out = LogLevel::ERROR; |
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3 |
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foreach ($this->levels as $class => $level) { |
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2 |
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if ($e instanceof $class) { |
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2 |
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$out = $level; |
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2 |
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break; |
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} |
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} |
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try { |
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3 |
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$this->logger->log($out, $e->getMessage(), ['exception' => $e]); |
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1 |
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} catch (\Throwable $_) { |
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// Don't worry about errors the logger throws |
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} |
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throw $e; |
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} |
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} |
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} |
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libreworks /
caridea-dispatch
