ok
Direktori : /home2/selectio/www/limpiar.in.net/vendor/aws/aws-sdk-php/src/ |
Current File : //home2/selectio/www/limpiar.in.net/vendor/aws/aws-sdk-php/src/WrappedHttpHandler.php |
<?php namespace Aws; use Aws\Api\Parser\Exception\ParserException; use GuzzleHttp\Promise; use Psr\Http\Message\RequestInterface; use Psr\Http\Message\ResponseInterface; /** * Converts an HTTP handler into a Command HTTP handler. * * HTTP handlers have the following signature: * function(RequestInterface $request, array $options) : PromiseInterface * * The promise returned form an HTTP handler must resolve to a PSR-7 response * object when fulfilled or an error array when rejected. The error array * can contain the following data: * * - exception: (required, Exception) Exception that was encountered. * - response: (ResponseInterface) PSR-7 response that was received (if a * response) was received. * - connection_error: (bool) True if the error is the result of failing to * connect. */ class WrappedHttpHandler { private $httpHandler; private $parser; private $errorParser; private $exceptionClass; private $collectStats; /** * @param callable $httpHandler Function that accepts a request and array * of request options and returns a promise * that fulfills with a response or rejects * with an error array. * @param callable $parser Function that accepts a response object * and returns an AWS result object. * @param callable $errorParser Function that parses a response object * into AWS error data. * @param string $exceptionClass Exception class to throw. * @param bool $collectStats Whether to collect HTTP transfer * information. */ public function __construct( callable $httpHandler, callable $parser, callable $errorParser, $exceptionClass = 'Aws\Exception\AwsException', $collectStats = false ) { $this->httpHandler = $httpHandler; $this->parser = $parser; $this->errorParser = $errorParser; $this->exceptionClass = $exceptionClass; $this->collectStats = $collectStats; } /** * Calls the simpler HTTP specific handler and wraps the returned promise * with AWS specific values (e.g., a result object or AWS exception). * * @param CommandInterface $command Command being executed. * @param RequestInterface $request Request to send. * * @return Promise\PromiseInterface */ public function __invoke( CommandInterface $command, RequestInterface $request ) { $fn = $this->httpHandler; $options = $command['@http'] ?: []; $stats = []; if ($this->collectStats || !empty($options['collect_stats'])) { $options['http_stats_receiver'] = static function ( array $transferStats ) use (&$stats) { $stats = $transferStats; }; } elseif (isset($options['http_stats_receiver'])) { throw new \InvalidArgumentException('Providing a custom HTTP stats' . ' receiver to Aws\WrappedHttpHandler is not supported.'); } return Promise\Create::promiseFor($fn($request, $options)) ->then( function ( ResponseInterface $res ) use ($command, $request, &$stats) { return $this->parseResponse($command, $request, $res, $stats); }, function ($err) use ($request, $command, &$stats) { if (is_array($err)) { $err = $this->parseError( $err, $request, $command, $stats ); } return new Promise\RejectedPromise($err); } ); } /** * @param CommandInterface $command * @param RequestInterface $request * @param ResponseInterface $response * @param array $stats * * @return ResultInterface */ private function parseResponse( CommandInterface $command, RequestInterface $request, ResponseInterface $response, array $stats ) { $parser = $this->parser; $status = $response->getStatusCode(); $result = $status < 300 ? $parser($command, $response) : new Result(); $metadata = [ 'statusCode' => $status, 'effectiveUri' => (string) $request->getUri(), 'headers' => [], 'transferStats' => [], ]; if (!empty($stats)) { $metadata['transferStats']['http'] = [$stats]; } // Bring headers into the metadata array. foreach ($response->getHeaders() as $name => $values) { $metadata['headers'][strtolower($name)] = $values[0]; } $result['@metadata'] = $metadata; return $result; } /** * Parses a rejection into an AWS error. * * @param array $err Rejection error array. * @param RequestInterface $request Request that was sent. * @param CommandInterface $command Command being sent. * @param array $stats Transfer statistics * * @return \Exception */ private function parseError( array $err, RequestInterface $request, CommandInterface $command, array $stats ) { if (!isset($err['exception'])) { throw new \RuntimeException('The HTTP handler was rejected without an "exception" key value pair.'); } $serviceError = "AWS HTTP error: " . $err['exception']->getMessage(); if (!isset($err['response'])) { $parts = ['response' => null]; } else { try { $parts = call_user_func( $this->errorParser, $err['response'], $command ); $serviceError .= " {$parts['code']} ({$parts['type']}): " . "{$parts['message']} - " . $err['response']->getBody(); } catch (ParserException $e) { $parts = []; $serviceError .= ' Unable to parse error information from ' . "response - {$e->getMessage()}"; } $parts['response'] = $err['response']; } $parts['exception'] = $err['exception']; $parts['request'] = $request; $parts['connection_error'] = !empty($err['connection_error']); $parts['transfer_stats'] = $stats; return new $this->exceptionClass( sprintf( 'Error executing "%s" on "%s"; %s', $command->getName(), $request->getUri(), $serviceError ), $command, $parts, $err['exception'] ); } }