I have followed the instructions for installing a password client for Laravel passport exactly as written in the Laravel docs and with default Laravel 6.0 composer versions of guzzle, etc. I have done the install on an existing project and as a clean install, both on local dev environment and live server, and every time I try to post to the example.com/oauth/token route, I am greeted with a crazy Guzzle error that seems to have no previous search history on the internet. The error is (summarized):
GuzzleHttp\Exception\ServerException
/var/task/vendor/guzzlehttp/guzzle/src/Exception/RequestException.php:113
"Return value of Zend\\Diactoros\\normalizeServer() must be of the type array, none returned"
I am running php 7.3 in all environments, but tried php 7.2 and 7.1 and got the same result. I'm running Laravel Valet locally, and have never seen anything like this on any other project. I am also running a staging server with Laravel Vapor, and I get the exact same error. My guzzle request is almost exactly the same as Taylor Otwell's example in the Laravel docs, and looks like this:
$http = new \GuzzleHttp\Client;
$response = $http->post(env('API_TOKEN_URL'), [
'form_params' => [
'grant_type' => 'password',
'client_id' => env('PASSPORT_CLIENT_ID'),
'client_secret' => env('PASSPORT_CLIENT_SECRET'),
'username' => $request['username'],
'password' => $request['password'],
],
]);
return json_decode((string) $response->getBody(), true);
I have data dumped all variables to verify that the username, password, client_id and client_secret are all accurate. It doesn't seem to be an authentication issue at all, but some issue with Guzzle passing proper server headers. I have no idea how to fix, as there is no previous record of this issue that I could find anywhere else on the internet. Any ideas???
