72 lines
2.2 KiB
PHP
72 lines
2.2 KiB
PHP
<?php
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namespace Qcloud\Cos;
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use Qcloud\Cos\Exception\ServiceResponseException;
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use GuzzleHttp\Promise\PromiseInterface;
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use Psr\Http\Message\RequestInterface;
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use Psr\Http\Message\ResponseInterface;
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use GuzzleHttp\Exception\RequestException;
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class ExceptionMiddleware {
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private $nextHandler;
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protected $parser;
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protected $defaultException;
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/**
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* @param callable $nextHandler Next handler to invoke.
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*/
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public function __construct(callable $nextHandler) {
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$this->nextHandler = $nextHandler;
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$this->parser = new ExceptionParser();
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$this->defaultException = 'Qcloud\Cos\Exception\ServiceResponseException';
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}
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/**
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* @param RequestInterface $request
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* @param array $options
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*
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* @return PromiseInterface
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*/
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public function __invoke(RequestInterface $request, array $options) {
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$fn = $this->nextHandler;
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return $fn($request, $options)->then(
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function (ResponseInterface $response) use ($request) {
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return $this->handle($request, $response);
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}
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);
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}
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public function handle(RequestInterface $request, ResponseInterface $response) {
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$code = $response->getStatusCode();
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if ($code < 400) {
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return $response;
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}
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//throw RequestException::create($request, $response);
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$parts = $this->parser->parse($request, $response);
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$className = 'Qcloud\\Cos\\Exception\\' . $parts['code'];
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if (substr($className, -9) !== 'Exception') {
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$className .= 'Exception';
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}
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$className = class_exists($className) ? $className : $this->defaultException;
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throw $this->createException($className, $request, $response, $parts);
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}
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protected function createException($className, RequestInterface $request, ResponseInterface $response, array $parts) {
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$class = new $className($parts['message']);
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if ($class instanceof ServiceResponseException) {
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$class->setExceptionCode($parts['code']);
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$class->setExceptionType($parts['type']);
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$class->setResponse($response);
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$class->setRequest($request);
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$class->setRequestId($parts['request_id']);
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}
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return $class;
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}
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}
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