Octane fixes (#921)

* Do not hold reference to app instance but retrieve it when needed

* Guard against route name possibly being a Closure

src/Sentry/Laravel/Tracing/Middleware.php

@@ -3,7 +3,6 @@
 namespace Sentry\Laravel\Tracing;
 
 use Closure;
-use Illuminate\Contracts\Foundation\Application as LaravelApplication;
 use Illuminate\Http\Request;
 use Laravel\Lumen\Application as LumenApplication;
 use Sentry\SentrySdk;
@@ -41,13 +40,6 @@ class Middleware
      */
     private $bootedTimestamp;
 
-    /**
-     * The Laravel or Lumen application instance.
-     *
-     * @var LaravelApplication|LumenApplication
-     */
-    private $app;
-
     /**
      * Whether we should continue tracing after the response has been sent to the client.
      *
@@ -71,27 +63,24 @@ class Middleware
 
     /**
      * Construct the Sentry tracing middleware.
-     *
-     * @param LaravelApplication|LumenApplication $app
      */
-    public function __construct($app, bool $continueAfterResponse = true)
+    public function __construct(bool $continueAfterResponse = true)
     {
-        $this->app = $app;
         $this->continueAfterResponse = $continueAfterResponse;
     }
 
     /**
      * Handle an incoming request.
      *
      * @param \Illuminate\Http\Request $request
-     * @param \Closure                 $next
+     * @param \Closure $next
      *
      * @return mixed
      */
     public function handle(Request $request, Closure $next)
     {
-        if ($this->app->bound(HubInterface::class)) {
-            $this->startTransaction($request, $this->app->make(HubInterface::class));
+        if (app()->bound(HubInterface::class)) {
+            $this->startTransaction($request, app(HubInterface::class));
         }
 
         return $next($request);
@@ -101,14 +90,14 @@ public function handle(Request $request, Closure $next)
      * Handle the application termination.
      *
      * @param \Illuminate\Http\Request $request
-     * @param mixed                    $response
+     * @param mixed $response
      *
      * @return void
      */
     public function terminate(Request $request, $response): void
     {
         // If there is no transaction or the HubInterface is not bound in the container there is nothing for us to do
-        if ($this->transaction === null || !$this->app->bound(HubInterface::class)) {
+        if ($this->transaction === null || !app()->bound(HubInterface::class)) {
             return;
         }
 
@@ -137,7 +126,7 @@ public function terminate(Request $request, $response): void
             // dispatched using dispatch(...)->afterResponse(). This middleware is called
             // before the terminating callbacks so we are 99.9% sure to be the last one
             // to run except if another terminating callback is registered after ours.
-            $this->app->terminating(function () {
+            app()->terminating(function () {
                 $this->finishTransaction();
             });
 
@@ -290,7 +279,7 @@ private function shouldRouteBeIgnored(Request $request): bool
     {
         // Laravel Lumen doesn't use `illuminate/routing`.
         // Instead we use the route available on the request to detect if a route was matched.
-        if ($this->app instanceof LumenApplication) {
+        if (app() instanceof LumenApplication) {
             return $request->route() === null && config('sentry.tracing.missing_routes', false) === false;
         }
 

src/Sentry/Laravel/Tracing/Routing/TracingRoutingDispatcher.php

@@ -2,6 +2,7 @@
 
 namespace Sentry\Laravel\Tracing\Routing;
 
+use Closure;
 use Illuminate\Routing\Route;
 use Sentry\SentrySdk;
 use Sentry\Tracing\SpanContext;
@@ -17,9 +18,13 @@ protected function wrapRouteDispatch(callable $dispatch, Route $route)
             return $dispatch();
         }
 
+        // The action name can be a Closure curiously enough... so we guard againt that here
+        // @see: https://github.com/getsentry/sentry-laravel/issues/917
+        $action = $route->getActionName() instanceof Closure ? 'Closure' : $route->getActionName();
+
         $context = new SpanContext;
         $context->setOp('http.route');
-        $context->setDescription($route->getActionName());
+        $context->setDescription($action);
 
         $span = $parentSpan->startChild($context);
 

src/Sentry/Laravel/Tracing/ServiceProvider.php

@@ -68,7 +68,7 @@ public function register(): void
                 $continueAfterResponse = false;
             }
 
-            return new Middleware($this->app, $continueAfterResponse);
+            return new Middleware($continueAfterResponse);
         });
     }