How to use oAuth with Guzzle 5 (or, better, with Guzzle 6)

Question

I\'m trying to connect to the WooCommerce API using Guzzle 5 (Guzzle 6 seems not has oAuth options o.O). Woocommerce requires the oAuth authentication method to work.

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Answer 1

Updating @Aerendir answer

In his pull request, @Aerendir wrote:

In my case, I did the editing as I were trying to connect to the WooCommerce API version 2 but that version of the API didn't implement correctly the OAuth Core 1.0a spec. In fact, they fixed this issue in the version 3 of the API. See Differences between V3 and older versions.

source: https://github.com/guzzle/oauth-subscriber/pull/42#issuecomment-185631670

So, to make his answer work properly, we need to use wc-api/v3/ instead of wc-api/v2/.

The following code, works using Guzzle 6, oauth and WooCommerce api v3:

use GuzzleHttp\Client,
    GuzzleHttp\HandlerStack,
    GuzzleHttp\Handler\CurlHandler,
    GuzzleHttp\Subscriber\Oauth\Oauth1;

$url = 'http://localhost/WooCommerce/';
$api = 'wc-api/v3/';
$endpoint = 'orders';
$consumer_key = 'ck_999ffa6b1be3f38058ed83e5786ac133e8c0bc60';
$consumer_secret = 'cs_8f6c96c56a7281203c2ff35d71e5c4f9b70e9704';

$handler = new CurlHandler();
$stack = HandlerStack::create($handler);

$middleware = new Oauth1([
    'consumer_key'    => $consumer_key,
    'consumer_secret' => $consumer_secret,
    'token_secret'    => '',
    'token'           => '',
    'request_method' => Oauth1::REQUEST_METHOD_QUERY,
    'signature_method' => Oauth1::SIGNATURE_METHOD_HMAC
]);
$stack->push($middleware);

$client = new Client([
    'base_uri' => $url . $api,
    'handler' => $stack
]);

$response = $client->get( $endpoint, [ 'auth' => 'oauth' ] );
echo $response->getStatusCode() . '
';
echo $response->getHeaderLine('content-type') . '
';
echo $response->getBody();