I'm trying to integrate PayPal REST API using OmniPay and OmniPay PayPal on Laravel 5.6.
My gateway() function:
public function gateway()
{
// Create a gateway for the PayPal RestGateway
$gateway = Omnipay::create('PayPal_Rest');
// Initialise the gateway
$gateway->initialize(array(
'clientId' => config('services.paypal.clientid'),
'secret' => config('services.paypal.secret'),
'testMode' => config('services.paypal.testmode'), // Or false when you are ready for live transactions
));
return $gateway;
}
Purchase function in the same model:
public function purchase(array $parameters)
{
$response = $this->gateway()
->purchase($parameters)
->send();
return $response;
}
Checkout function in controller:
public function checkout($order_id, Request $request)
{
$order = Order::findOrFail(decrypt($order_id));
$paypal = new PayPal;
$response = $paypal->purchase([
'amount' => $paypal->formatAmount($order->amount),
'transactionId' => $order->id,
'currency' => 'USD',
'cancelUrl' => $paypal->getCancelUrl($order),
'returnUrl' => $paypal->getReturnUrl($order),
]);
if ($response->isRedirect()) {
$response->redirect();
}
return redirect()->back()->with([
'message' => $response->getMessage(),
]);
}
The clientId and Secret are set correctly (tried changing and reentering it multiple times and the testMode is set to true in .env file.
Each time I try to submit the request I get this error:
Authentication failed due to invalid authentication credentials or a missing Authorization header.
What could possibly be the problem here?
Thanks in advance!
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