deplay phase 1

app/Exceptions/Handler.php

@@ -2,7 +2,16 @@
 
 namespace App\Exceptions;
 
+use Illuminate\Auth\Access\AuthorizationException;
+use Illuminate\Auth\AuthenticationException;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
+use Illuminate\Session\TokenMismatchException;
+use Illuminate\Support\Facades\Mail;
+use Illuminate\Validation\ValidationException;
+use Symfony\Component\ErrorHandler\ErrorRenderer\HtmlErrorRenderer;
+use Symfony\Component\ErrorHandler\Exception\FlattenException;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
 use Throwable;
 
 class Handler extends ExceptionHandler
@@ -37,6 +46,65 @@ class Handler extends ExceptionHandler
     public function report(Throwable $exception)
     {
         parent::report($exception);
+
+        $e = $this->mapException($exception);
+
+        if ($this->shouldMailServerError($e)) {
+            $this->sendEmail($e);
+        }
+    }
+
+    /**
+     * E-Mail nur bei echten Serverfeilern (5xx bzw. unbehandelte Exceptions), nicht bei lokalem Entwickeln.
+     */
+    protected function shouldMailServerError(Throwable $e): bool
+    {
+        if (app()->environment('local', 'testing')) {
+            return false;
+        }
+
+        if (! config('app.exception_mail')) {
+            return false;
+        }
+
+        return $this->exceptionIndicatesServerError($e);
+    }
+
+    /**
+     * Entspricht dem, was üblicherweise als HTTP500 ausgeliefert würde.
+     */
+    protected function exceptionIndicatesServerError(Throwable $e): bool
+    {
+        if (
+            $e instanceof AuthenticationException
+            || $e instanceof AuthorizationException
+            || $e instanceof ModelNotFoundException
+            || $e instanceof ValidationException
+            || $e instanceof TokenMismatchException
+        ) {
+            return false;
+        }
+
+        if ($e instanceof HttpExceptionInterface) {
+            return $e->getStatusCode() >= 500;
+        }
+
+        return true;
+    }
+
+    protected function exceptionMailContextLine(): string
+    {
+        if (app()->runningInConsole()) {
+            $argv = $_SERVER['argv'] ?? [];
+
+            return 'CLI: ' . (count($argv) ? implode(' ', $argv) : php_sapi_name());
+        }
+
+        if (app()->bound('request') && request()) {
+            return request()->fullUrl();
+        }
+
+        return 'n/a';
     }
 
     /**
@@ -52,4 +120,28 @@ class Handler extends ExceptionHandler
     {
         return parent::render($request, $exception);
     }
+
+    public function sendEmail(Throwable $exception)
+    {
+        try {
+            $e = FlattenException::create($exception);
+            $handler = new HtmlErrorRenderer(true);
+            $css = $handler->getStylesheet();
+            $content = $handler->getBody($e);
+            $to = config('app.exception_mail');
+            $subject = config('app.name') . ' Exception: ' . $this->exceptionMailContextLine();
+
+            if ($to) {
+                Mail::send('emails.exception', compact('css', 'content'), function ($message) use ($to, $subject) {
+                    $message->to($to)->subject($subject);
+                });
+            }
+        } catch (Throwable $ex) {
+            file_put_contents(
+                storage_path('logs/laravel-' . date('Y-m-d') . '.log'),
+                '[' . date('Y-m-d H:i:s') . '] exception-handler-error: ' . $ex->getMessage() . "\n",
+                FILE_APPEND
+            );
+        }
+    }
 }