first commit

app/Http/Controllers/Api/AttachmentController.php

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+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Contracts\AttachmentService;
+use App\Enums\AttachmentStatus;
+use App\Http\Requests\Attachment\CreateAttachmentRequest;
+use App\Http\Requests\Attachment\DownloadAttachmentRequest;
+use App\Models\Attachment;
+use Filter;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+use Throwable;
+use URL;
+
+class AttachmentController extends ItemController
+{
+    protected const MODEL = Attachment::class;
+
+    public function __construct(protected AttachmentService $attachmentService)
+    {
+    }
+
+    /**
+     * @param CreateAttachmentRequest $request
+     * @return JsonResponse
+     *
+     * @throws Throwable
+     */
+    public function create(CreateAttachmentRequest $request): JsonResponse
+    {
+        Filter::listen(Filter::getActionFilterName(), static function (Attachment $attachment) {
+            $attachment->load('user');
+            return $attachment;
+        });
+        return $this->_create($request);
+    }
+
+    public function tmpDownload(Request $request, Attachment $attachment): ?StreamedResponse
+    {
+        if (! $request->hasValidSignature()) {
+            abort(401);
+        }
+
+        return $this->streamDownloadLogic($attachment);
+    }
+
+    public function createTemporaryUrl(DownloadAttachmentRequest $request, Attachment $attachment): string
+    {
+        // we do this because signature breaks if we use built in method for creating relative path
+        // also cannot determine request scheme when ran inside docker
+        $url = URL::temporarySignedRoute(
+            'attachment.temporary-download',
+            now()->addSeconds($request->validated('seconds') ?? 3600),
+            $attachment
+        );
+        $parsedUrl = parse_url($url);
+
+        // Combine the path and query string
+        return $parsedUrl['path'] . (isset($parsedUrl['query']) ? '?' . $parsedUrl['query'] : '');
+    }
+
+    /**
+     * @param Attachment $attachment
+     * @return StreamedResponse|void
+     */
+    protected function streamDownloadLogic(Attachment $attachment)
+    {
+        if ($attachment->status === AttachmentStatus::GOOD && $this->attachmentService->fileExists($attachment)) {
+            $headers = [];
+            if ($attachment->mime_type !== '') {
+                $headers['Content-Type'] = $attachment->mime_type;
+            }
+
+            return response()->streamDownload(
+                function () use ($attachment) {
+                    $stream = $this->attachmentService->readStream($attachment);
+
+                    while (!feof($stream)) {
+                        echo fread($stream, 2048);
+                    }
+
+                    fclose($stream);
+                },
+                $attachment->original_name,
+                $headers
+            );
+        }
+        abort(404);
+    }
+}