/**
* Sorts and normalizes request data and oauthValues
*
* Section 9.1.1 of Oauth spec.
*
* - URL encode keys + values.
* - Sort keys & values by byte value.
*
* @param \Cake\Http\Client\Request $request The request object.
* @param array $oauthValues Oauth values.
* @return string sorted and normalized values
*/
protected function _normalizedParams($request, $oauthValues)
{
$query = parse_url($request->url(), PHP_URL_QUERY);
parse_str($query, $queryArgs);
$post = [];
$body = $request->body();
if (is_string($body) && $request->getHeaderLine('content-type') === 'application/x-www-form-urlencoded') {
parse_str($body, $post);
}
if (is_array($body)) {
$post = $body;
}
$args = array_merge($queryArgs, $oauthValues, $post);
uksort($args, 'strcmp');
$pairs = [];
foreach ($args as $k => $val) {
if (is_array($val)) {
sort($val, SORT_STRING);
foreach ($val as $nestedVal) {
$pairs[] = "{$k}={$nestedVal}";
}
} else {
$pairs[] = "{$k}={$val}";
}
}
return implode('&', $pairs);
}
