feat: ✨ Added StripeWebhook Route

.env.example

@@ -27,6 +27,10 @@ PAYPAL_EMAIL=
 #stripe details, you only need "test" for testing! you can do this by setting the APP_ENV to local
 STRIPE_TEST_SECRET=
 STRIPE_SECRET=
+#https://dashboard.stripe.com/webhooks
+STRIPE_ENDPOINT_TEST_SECRET=
+STRIPE_ENDPOINT_SECRET=
+
 #stripe payment methods, comma seperated list of methods you want to support:
 #read into https://stripe.com/docs/payments/payment-methods/integration-options and/or https://stripe.com/docs/payments/payment-methods/overview
 STRIPE_METHODS=

app/Http/Controllers/Admin/PaymentController.php

@@ -17,6 +17,7 @@ use Illuminate\Http\JsonResponse;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Log;
 use PayPalCheckoutSdk\Core\PayPalHttpClient;
 use PayPalCheckoutSdk\Core\ProductionEnvironment;
 use PayPalCheckoutSdk\Core\SandboxEnvironment;
@@ -285,9 +286,15 @@ class PaymentController extends Controller
         $stripeClient = $this->getStripeClient();
 
         try{
+            //get stripe data
             $paymentSession = $stripeClient->checkout->sessions->retrieve($request->input('session_id'));
-        $capturedPaymentIntent = $stripeClient->paymentIntents->capture($paymentSession->payment_intent);
+            $paymentIntent = $stripeClient->paymentIntents->retrieve($paymentSession->payment_intent);
-        if ($capturedPaymentIntent->status == "succeeded") {
+
+            //get DB entry of this payment ID if existing
+            $paymentDbEntry = Payment::where('payment_id', $paymentSession->payment_intent)->count();
+
+            // check if payment is 100% completed and payment does not exist in db already
+            if ($paymentSession->status == "complete" && $paymentIntent->status == "succeeded" && $paymentDbEntry == 0) {
 
                 //update credits
                 $user->increment('credits', $creditProduct->quantity);
@@ -307,7 +314,7 @@ class PaymentController extends Controller
                 //store payment
                 $payment = Payment::create([
                     'user_id' => $user->id,
-                'payment_id' => $capturedPaymentIntent->id,
+                    'payment_id' => $paymentSession->payment_intent,
                     'payment_method' => 'stripe',
                     'type' => 'Credits',
                     'status' => 'paid',
@@ -326,6 +333,19 @@ class PaymentController extends Controller
 
                 //redirect back to home
                 return redirect()->route('home')->with('success', __('Your credit balance has been increased!'));
+            }else{
+                if($paymentIntent->status != "processing"){
+                    //redirect back to home
+                    return redirect()->route('home')->with('success', __('Your payment is being processed!'));
+                }
+                if($paymentDbEntry == 0){
+                    $stripeClient->paymentIntents->cancel($paymentIntent->id);
+
+                    //redirect back to home
+                    return redirect()->route('home')->with('success', __('Your payment has been canceled!'));
+                }else{
+                    abort(402);
+                }
             }
         }catch (HttpException $ex) {
             if (env('APP_ENV') == 'local') {
@@ -337,6 +357,50 @@ class PaymentController extends Controller
         }
     }
 
+    /**
+     * @param Request $request
+     */
+    public function StripeWebhooks(Request $request)
+    {
+
+        \Stripe\Stripe::setApiKey($this->getStripeSecret());
+
+
+
+        try {
+            $payload = @file_get_contents('php://input');
+            $sig_header = $request->header('Stripe-Signature');
+            $event = null;
+            $event = \Stripe\Webhook::constructEvent(
+                $payload, $sig_header, $this->getStripeEndpointSecret()
+            );
+        } catch(\UnexpectedValueException $e) {
+            // Invalid payload
+
+            abort(400);
+        } catch(\Stripe\Exception\SignatureVerificationException $e) {
+            // Invalid signature
+
+            abort(400);
+
+        }
+
+        // Handle the event
+        switch ($event->type) {
+            case 'payment_intent.succeeded':
+                $paymentIntent = $event->data->object; // contains a \Stripe\PaymentIntent
+                error_log($paymentIntent->status);
+                break;
+            case 'payment_method.attached':
+                $paymentMethod = $event->data->object; // contains a \Stripe\PaymentMethod
+                error_log($paymentMethod);
+                break;
+            // ... handle other event types
+            default:
+                echo 'Received unknown event type ' . $event->type;
+        }
+    }
+
     /**
      * @return \Stripe\StripeClient
      */
@@ -355,6 +419,18 @@ class PaymentController extends Controller
             :  env('STRIPE_SECRET');
     }
 
+    /**
+     * @return string
+     */
+    protected function getStripeEndpointSecret()
+    {
+        return env('APP_ENV') == 'local'
+            ?  env('STRIPE_ENDPOINT_TEST_SECRET')
+            :  env('STRIPE_ENDPOINT_SECRET');
+    }
+
+
+
 
     /**
      * @return JsonResponse|mixed

app/Http/Middleware/VerifyCsrfToken.php

@@ -12,6 +12,6 @@ class VerifyCsrfToken extends Middleware
      * @var array
      */
     protected $except = [
-        //
+        'payment/StripeWebhooks'
     ];
 }

routes/web.php

@@ -40,6 +40,9 @@ Route::middleware('guest')->get('/', function () {
 
 Auth::routes(['verify' => true]);
 
+# Stripe WebhookRoute -> validation in Route Handler
+Route::post('payment/StripeWebhooks', [PaymentController::class, 'StripeWebhooks'])->name('payment.StripeWebhooks');
+
 Route::middleware(['auth', 'checkSuspended'])->group(function () {
     #resend verification email
     Route::get('/email/verification-notification', function (Request $request) {
@@ -66,7 +69,6 @@ Route::middleware(['auth', 'checkSuspended'])->group(function () {
     Route::get('payment/PaypalSuccess', [PaymentController::class, 'PaypalSuccess'])->name('payment.PaypalSuccess');
     Route::get('payment/StripePay/{creditProduct}', [PaymentController::class, 'StripePay'])->name('payment.StripePay');
     Route::get('payment/StripeSuccess', [PaymentController::class, 'StripeSuccess'])->name('payment.StripeSuccess');
-
     Route::get('payment/Cancel', [PaymentController::class, 'Cancel'])->name('payment.Cancel');