invoiceninja/app/PaymentDrivers/Stripe/Connect/ConnectOauth.php

<?php

/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\PaymentDrivers\Stripe\Connect;

use Stripe\Stripe;

class ConnectOauth
{

	/**
	 * Response payload
	 *   "token_type": "bearer",
         "stripe_publishable_key": "{PUBLISHABLE_KEY}",
		 "scope": "read_write",
		 "livemode": false,
  	 	 "stripe_user_id": "{ACCOUNT_ID}",
  		 "refresh_token": "{REFRESH_TOKEN}",
		 "access_token": "{ACCESS_TOKEN}"
	 */
	public function getAccountId($code)
	{

 		Stripe::setApiKey(config('ninja.ninja_stripe_key'));

		$response = \Stripe\OAuth::token([
		  'grant_type' => 'authorization_code',
		  'code' => $code,
		]);

		// Access the connected account id in the response
		$connected_account_id = $response->stripe_user_id;

		return $response;
		//return $connected_account_id;
	}


	/**
	 * Revokes access to Stripe from Invoice Ninja 
	 * for the given account id
	 */
	public function revoke($account_id)
	{

 		Stripe::setApiKey(config('ninja.ninja_stripe_key'));

		\Stripe\OAuth::deauthorize([
		  'client_id' => config('ninja.ninja_stripe_key'),
		  'stripe_user_id' => $account_id,
		]);

	}

}