/**
* 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
*
* @return self
*/
public static function create(RequestInterface $request, ResponseInterface $response = null, \Exception $previous = null)
{
if (!$response) {
return new self('Error completing request', $request, null, $previous);
}
$level = floor($response->getStatusCode() / 100);
if ($level == '4') {
$label = 'Client error response';
$className = __NAMESPACE__ . '\\ClientException';
} elseif ($level == '5') {
$label = 'Server error response';
$className = __NAMESPACE__ . '\\ServerException';
} else {
$label = 'Unsuccessful response';
$className = __CLASS__;
}
$message = $label . ' [url] ' . $request->getUrl() . ' [status code] ' . $response->getStatusCode() . ' [reason phrase] ' . $response->getReasonPhrase();
return new $className($message, $request, $response, $previous);
}
/**
* Set the appropriate URL on the request based on the location header
*
* @param RequestInterface $request
* @param ResponseInterface $response
* @param array $protocols
*/
private function setRedirectUrl(RequestInterface $request, ResponseInterface $response, array $protocols)
{
$location = $response->getHeader('Location');
$location = Url::fromString($location);
// Combine location with the original URL if it is not absolute.
if (!$location->isAbsolute()) {
$originalUrl = Url::fromString($request->getUrl());
// Remove query string parameters and just take what is present on
// the redirect Location header
$originalUrl->getQuery()->clear();
$location = $originalUrl->combine($location);
}
// Ensure that the redirect URL is allowed based on the protocols.
if (!in_array($location->getScheme(), $protocols)) {
throw new BadResponseException(sprintf('Redirect URL, %s, does not use one of the allowed redirect protocols: %s', $location, implode(', ', $protocols)), $request, $response);
}
$request->setUrl($location);
}
