<?php
namespace GuzzleHttp\Exception;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use GuzzleHttp\Promise\PromiseInterface;
/**
* HTTP Request exception
*/
class RequestException extends TransferException
{
/** @var RequestInterface */
private $request;
/** @var ResponseInterface */
private $response;
/** @var array */
private $handlerContext;
public function __construct(
$message,
RequestInterface $request,
ResponseInterface $response = null,
\Exception $previous = null,
array $handlerContext = []
) {
// Set the code of the exception if the response is set and not future.
$code = $response && !($response instanceof PromiseInterface)
? $response->getStatusCode()
: 0;
parent::__construct($message, $code, $previous);
$this->request = $request;
$this->response = $response;
$this->handlerContext = $handlerContext;
}
/**
* Wrap non-RequestExceptions with a RequestException
*
* @param RequestInterface $request
* @param \Exception $e
*
* @return RequestException
*/
public static function wrapException(RequestInterface $request, \Exception $e)
{
return $e instanceof RequestException
? $e
: new RequestException($e->getMessage(), $request, null, $e);
}
/**
* Factory method to create a new exception with a normalized error message
*
* @param RequestInterface $request Request
* @param ResponseInterface $response Response received
* @param \Exception $previous Previous exception
* @param array $ctx Optional handler context.
*
* @return self
*/
public static function create(
RequestInterface $request,
ResponseInterface $response = null,
\Exception $previous = null,
array $ctx = []
) {
if (!$response) {
return new self(
'Error completing request',
$request,
null,
$previous,
$ctx
);
}
$level = floor($response->getStatusCode() / 100);
if ($level == '4') {
$label = 'Client error';
$className = __NAMESPACE__ . '\\ClientException';
} elseif ($level == '5') {
$label = 'Server error';
$className = __NAMESPACE__ . '\\ServerException';
} else {
$label = 'Unsuccessful request';
$className = __CLASS__;
}
// Server Error: `GET /` resulted in a `404 Not Found` response:
// <html> ... (truncated)
$message = sprintf(
'%s: `%s` resulted in a `%s` response',
$label,
$request->getMethod() . ' ' . $request->getUri(),
$response->getStatusCode() . ' ' . $response->getReasonPhrase()
);
$summary = static::getResponseBodySummary($response);
if ($summary !== null) {
$message .= ":\n{$summary}\n";
}
return new $className($message, $request, $response, $previous, $ctx);
}
/**
* Get a short summary of the response
*
* Will return `null` if the response is not printable.
*
* @param ResponseInterface $response
*
* @return string|null
*/
public static function getResponseBodySummary(ResponseInterface $response)
{
$body = $response->getBody();
if (!$body->isSeekable()) {
return null;
}
$size = $body->getSize();
$summary = $body->read(120);
$body->rewind();
if ($size > 120) {
$summary .= ' (truncated...)';
}
// Matches any printable character, including unicode characters:
// letters, marks, numbers, punctuation, spacing, and separators.
if (preg_match('/[^\pL\pM\pN\pP\pS\pZ\n\r\t]/', $summary)) {
return null;
}
return $summary;
}
/**
* Get the request that caused the exception
*
* @return RequestInterface
*/
public function getRequest()
{
return $this->request;
}
/**
* Get the associated response
*
* @return ResponseInterface|null
*/
public function getResponse()
{
return $this->response;
}
/**
* Check if a response was received
*
* @return bool
*/
public function hasResponse()
{
return $this->response !== null;
}
/**
* Get contextual information about the error from the underlying handler.
*
* The contents of this array will vary depending on which handler you are
* using. It may also be just an empty array. Relying on this data will
* couple you to a specific handler, but can give more debug information
* when needed.
*
* @return array
*/
public function getHandlerContext()
{
return $this->handlerContext;
}
}
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