Fix: Restored asset controller

Author: nikajorjika

src/Http/Controllers/AssetController.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Redberry\MailboxForLaravel\Http\Controllers;
+
+use Illuminate\Http\Response as HttpResponse;
+use Illuminate\Support\Facades\Response;
+use Redberry\MailboxForLaravel\CaptureService;
+
+class AssetController
+{
+    public function __invoke(CaptureService $capture, string $message, string $asset)
+    {
+        $payload = $capture->get($message);
+
+        abort_unless(!!$payload, 404);
+
+        $attachment = collect($payload['attachments'] ?? [])
+            ->first(fn ($a) => ($a['filename'] ?? null) === $asset);
+        abort_unless($attachment, 404);
+
+        $headers = [
+            'Content-Type' => $attachment['contentType'] ?? 'application/octet-stream',
+            'Cache-Control' => 'public, max-age=31536000, immutable',
+        ];
+
+        // decide disposition inline vs attachment
+        if (($attachment['disposition'] ?? '') !== '') {
+            $headers['Content-Disposition'] = $attachment['disposition'];
+        }
+
+        if (isset($attachment['path'])) {
+            return Response::stream(function () use ($attachment) {
+                $stream = fopen($attachment['path'], 'rb');
+                if ($stream) {
+                    fpassthru($stream);
+                    fclose($stream);
+                }
+            }, 200, $headers);
+        }
+
+        if (isset($attachment['content'])) {
+            $content = base64_decode($attachment['content']);
+
+            return new HttpResponse($content, 200, $headers);
+        }
+
+        abort(404);
+    }
+}