Discover File Downloads in Laravel with Storage::download

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Laravel framework's Storage::download method provides a concise API for safely handling file downloads while managing abstractions of file storage.

The following is an example of using Storage::download() in the example controller:

<?php namespace App\Http\Controllers;

use Illuminate\Support\Facades\Storage;

class FileController extends Controller
{
    public function download($filename)
    {
        return Storage::download(
            "documents/{$filename}",
            "custom-{$filename}",
            ['Content-Type' => 'application/pdf']
        );
    }
}

Another more complex example, which combines the processing of authorization and non-existence of the file:

<?php namespace App\Http\Controllers;

use App\Models\Document;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

class DocumentController extends Controller
{
    public function download(Request $request, Document $document)
    {
        if (!$request->user()->canDownload($document)) {
            abort(403);
        }

        if (!Storage::exists($document->path)) {
            abort(404, 'File not found');
        }

        $document->increment('download_count');

        return Storage::download(
            $document->path,
            $document->original_name,
            [
                'Content-Type' => $document->mime_type,
                'Content-Disposition' => 'attachment',
                'Cache-Control' => 'no-cache, must-revalidate'
            ]
        );
    }
}

All in all, Storage::download provides a safe and efficient way to service files while hiding the details of the underlying storage provider.

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