mirror of
https://github.com/projectsend/projectsend.git
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ignacionelson
6e47d76ba6
Client file sharing, rebuilt from the ground up: a private area per client, resumable uploads, folders, groups and categories, sharing with expiry dates and download limits, comments, file versions, an activity log, a REST API, and sixteen languages. This repository begins here. ProjectSend 2 was developed privately, and that development history is not published — the previous generation remains available, with its own history, at projectsend/legacy. Free software under the GNU General Public License v2, or (at your option) any later version.
65 lines
2.3 KiB
PHP
65 lines
2.3 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Modules\Files\Http\Controllers;
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use App\Http\Controllers\Controller;
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use App\Modules\Audit\Action;
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use App\Modules\Audit\ActivityLogger;
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use App\Modules\Files\Access\DownloadAllowance;
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use App\Modules\Files\Models\File;
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use App\Support\ContentDisposition;
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use Illuminate\Http\RedirectResponse;
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use Illuminate\Http\Request;
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use Illuminate\Http\Response;
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use Illuminate\Support\Facades\Gate;
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use Illuminate\Support\Facades\Storage;
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/**
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* Authorized downloads without the bytes ever traversing PHP: for a file
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* on the local disk, the app checks the policy and answers with
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* X-Accel-Redirect; nginx streams the file from the protected location
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* (brief §3). The cloud edition swaps this for presigned URLs behind the
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* same route. A file on the community-only external storage disk already
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* gets exactly that — a presigned URL redirect — since nginx has no way
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* to serve bytes it doesn't have on disk.
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*/
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class FileDownloadController extends Controller
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{
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public function __construct(
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private readonly ActivityLogger $activity,
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private readonly DownloadAllowance $allowance,
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) {}
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public function __invoke(Request $request, File $file): Response|RedirectResponse
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{
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Gate::authorize('view', $file);
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// Separate from the policy on purpose: a spent download limit is
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// not "you may not see this file" — the file stays listed, and
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// the same person may still open its details. It is only the
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// taking of a copy that stops. See DownloadAllowance.
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abort_unless($this->allowance->allows($file, $request->user()), 403);
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$this->activity->log(Action::FileDownloaded, subject: $file);
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if ($file->disk !== 'files') {
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$url = Storage::disk($file->disk)->temporaryUrl(
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$file->path,
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now()->addHour(),
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['ResponseContentDisposition' => ContentDisposition::attachment($file->original_name)],
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);
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return redirect()->away($url);
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}
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return response('', 200, [
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'X-Accel-Redirect' => '/protected-files/'.$file->path,
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'Content-Type' => $file->mime_type,
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'Content-Disposition' => ContentDisposition::attachment($file->original_name),
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'Content-Length' => (string) $file->size,
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]);
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}
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}
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