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ignacionelson
7da4635f13
A staff member limited to their own assigned clients could read the names
and ids of clients on nobody's roster but their own, out of ordinary file
metadata.
The file boundary was never wrong. Sharing means a file can legitimately
reach a scoped viewer through client A while client B uploaded it, or
while B also receives it -- StaffLibraryScope::buildFiles is right to
permit that, and a B-only file is still a 403. What was wrong is that
every response then went on to name B. FileResource serialised the loaded
uploader and each assignment unfiltered; ShareTargets::assigned took no
viewer at all, so the details panel published the recipient list as it
stands and forSubject narrowed available_clients while handing
assigned_clients straight through. FoldersController::fileRow,
FilesController::edit, FileDetailsController and ClientFilesController
each named the uploader the same way. The API's uploaded_by filter asked
the question without any name attached: it answered "does this client of
yours put files in front of a client of mine" for any id a caller cared
to try.
12a8ebe3 said the rule out loud while fixing topClientsByStorage -- "the
file was theirs to read and the uploader's name was not theirs to see" --
and then the rule stayed in that widget. So it is a class now.
ClientIdentityScope is the one decision, asked by every surface that
names a client, and it deliberately answers about clients only: a
colleague's name is not a client identity, and hiding it would hide who
uploaded most of the library from the people who work in it. Groups go
through it too, on the same argument -- a group is a list of clients
wearing one name -- which the report did not cover but is the same leak.
Two judgement calls worth naming. assigned() keeps returning the whole
truth and gains a warning, because VisibleCommentScope resolves
notification recipients from it and a recipient filtered out of that list
is one who never hears about a message addressed to them; assignedFor()
is the display half. And FileResource asks at serialisation rather than
in its callers' eager loads, which is the opposite of how the version
counterparts next door are narrowed: that one is set-shaped and folds
into a query, this one is a per-row roster check across eight call sites
in four controllers, two of them re-loading assignments after a write.
The tests assert on whole response bodies rather than on named keys. The
leak was never in one field -- the same name arrived through the
uploader, through the recipient list and through four screens -- so a
body that does not contain the name anywhere is the only assertion that
would have caught all of it. Ten of the eighteen fail without this
change; the rest are the negative controls, including that an unscoped
administrator still sees every name and that the uploaded_by filter still
works for a client on the roster and for staff.
Reported by @Noorkhalel, GHSA-whmp-p9hv-r7j7. Their write-up named every
affected surface and the root cause in each, which is most of why this
took one pass.
584 lines
27 KiB
PHP
584 lines
27 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\Models\User;
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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\Comments\CommentingRules;
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use App\Modules\Comments\CommentScope;
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use App\Modules\Files\Access\ClientIdentityScope;
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use App\Modules\Files\Access\ShareTargets;
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use App\Modules\Files\Access\StaffLibraryScope;
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use App\Modules\Files\DownloadLimitScope;
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use App\Modules\Files\Models\Category;
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use App\Modules\Files\Models\File;
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use App\Modules\Files\Models\Folder;
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use App\Modules\Files\Models\ShareLink;
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use App\Modules\Files\Storage\ResolvingUploadDisk;
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use App\Modules\Files\Uploads\StoreUploadedFile;
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use App\Modules\Files\Uploads\UploadExtensionPolicy;
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use App\Modules\Files\Versions\FileVersionLinks;
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use App\Modules\Files\Versions\FileVersions;
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use App\Modules\Platform\Localization\LocalDay;
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use App\Modules\Platform\Localization\TimezoneRegistry;
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use App\Modules\Platform\Settings\Setting;
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use App\Modules\Platform\Settings\Settings;
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use App\Support\PublicUrl;
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use App\Support\Rules;
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use Carbon\Carbon;
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use Illuminate\Http\RedirectResponse;
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use Illuminate\Http\Request;
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use Illuminate\Http\UploadedFile;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Event;
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use Illuminate\Support\Facades\Gate;
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use Illuminate\Support\Facades\Storage;
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use Illuminate\Support\Str;
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use Illuminate\Validation\Rule;
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use Illuminate\Validation\ValidationException;
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use Inertia\Inertia;
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use Inertia\Response;
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class FilesController 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 StaffLibraryScope $scope,
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private readonly PublicUrl $publicUrl,
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private readonly ShareTargets $shareTargets,
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private readonly ClientIdentityScope $identity,
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private readonly CommentingRules $commenting,
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private readonly FileVersions $versions,
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private readonly FileVersionLinks $versionLinks,
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private readonly TimezoneRegistry $timezones,
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) {}
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public function create(Request $request): Response
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{
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$user = $request->user();
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assert($user !== null);
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return Inertia::render('files/create', [
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'max_file_size_mb' => app(Settings::class)->get(Setting::MaxFileSizeMb),
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'part_size_mb' => (int) config('projectsend.upload_part_size_mb'),
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'allowed_extensions' => app(UploadExtensionPolicy::class)->hintFor($user),
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]);
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}
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public function store(Request $request): RedirectResponse
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{
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$validated = $request->validate([
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// Intake is a plain upload for now; the resumable
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// direct-to-storage flow replaces this without touching the
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// domain (brief §3, open question §12.1).
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'file' => ['required', 'file', 'max:102400'],
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'name' => ['nullable', 'string', 'max:255'],
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'description' => ['nullable', 'string', 'max:2000'],
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'folder_id' => Rules::folderId(),
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]);
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/** @var UploadedFile $upload */
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$upload = $validated['file'];
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$maxMb = (int) app(Settings::class)->get(Setting::MaxFileSizeMb);
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if ($maxMb > 0 && (int) $upload->getSize() > $maxMb * 1024 * 1024) {
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throw ValidationException::withMessages([
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'file' => __('This file exceeds the maximum allowed size of :max MB.', ['max' => (string) $maxMb]),
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]);
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}
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$user = $request->user();
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assert($user !== null);
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// The check the other two upload paths make and this one did not:
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// a folder outside the uploader's library is not a place to put a
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// file. Without it this route reached any folder on the
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// installation, and File::scopeVisibleToClient then hands the file
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// to whoever that folder's subtree is shared with.
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$folder = isset($validated['folder_id'])
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? Folder::query()->whereKey($validated['folder_id'])->first()
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: null;
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abort_unless(Folder::uploadableBy($user, $folder), 403);
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if (! app(UploadExtensionPolicy::class)->isAllowed($user, $upload->getClientOriginalName())) {
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throw ValidationException::withMessages([
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'file' => __('This file type is not allowed for upload.'),
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]);
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}
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$diskEvent = new ResolvingUploadDisk($user);
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Event::dispatch($diskEvent);
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$disk = $diskEvent->disk;
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$path = $upload->storeAs(
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now()->format('Y/m'),
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Str::uuid()->toString().'.'.strtolower($upload->getClientOriginalExtension()),
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$disk,
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);
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abort_unless(is_string($path), 500);
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$file = app(StoreUploadedFile::class)->create(
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uploader: $user,
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originalName: $upload->getClientOriginalName(),
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path: $path,
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mimeType: $upload->getMimeType() ?? 'application/octet-stream',
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size: (int) $upload->getSize(),
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checksum: hash_file('sha256', $upload->getRealPath()) ?: '',
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name: $validated['name'] ?? null,
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description: $validated['description'] ?? null,
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folderId: $validated['folder_id'] ?? null,
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disk: $disk,
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);
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return redirect()->route('files.edit', $file)->with('success', __('File uploaded.'));
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}
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public function edit(Request $request, File $file): Response
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{
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$viewer = $request->user();
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assert($viewer !== null);
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Gate::forUser($viewer)->authorize('view', $file);
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// A revision's recipients belong to the file it revises, so the
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// Sharing tab has to point at that file rather than offer controls
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// that would be ignored. Resolved here (not in the page) because
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// "can this staffer edit the original" is a policy question — the
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// original may be a colleague's upload, or outside a scoped
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// staffer's library, and linking to a page they'd get a 404 from is
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// worse than saying so.
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$sharingRoot = $file->isRevision()
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? File::query()->find($file->sharingOwnerId())
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: null;
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return Inertia::render('files/edit', [
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'file' => [
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'id' => $file->id,
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'name' => $file->name,
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'description' => $file->description,
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'original_name' => $file->original_name,
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'size' => $file->size,
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'mime_type' => $file->mime_type,
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'uploader' => $this->identity->nameOf($viewer, $file->uploader),
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'folder_id' => $file->folder_id,
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'public' => $file->public,
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'commentable' => $file->commentable,
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'slug' => $file->slug,
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// The date picker's value, so it has to be the same
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// calendar date the editor typed — read back in their
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// zone, not the server's, or a file set to expire on the
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// 12th reopens showing the 11th.
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'expires_at' => $this->expiryDateFor($file, $request->user()),
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'expired' => $file->isExpired(),
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'download_limit' => $file->download_limit,
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'download_limit_scope' => ($file->download_limit_scope ?? DownloadLimitScope::Total)->value,
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// The file's total downloads, so the editor can see what
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// a total limit is being measured against. A per-user
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// limit is a different number for every person, which no
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// single figure on this screen can show.
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'downloads_used' => $file->downloads()->count(),
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'public_url' => $file->isEffectivelyPublic()
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? $this->publicUrl->for($file)
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: null,
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'public_via_folder' => $file->folder?->publicSourceName(),
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'created_at' => $file->created_at?->toIso8601String(),
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'is_revision' => $file->isRevision(),
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'version' => $this->versionLinks->for(
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$file,
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$viewer,
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fn (File $other): string => route('files.edit', $other, false),
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),
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],
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'sharing_root' => $sharingRoot === null ? null : [
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'id' => $sharingRoot->id,
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'name' => $sharingRoot->name,
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'url' => route('files.edit', $sharingRoot, false).'?tab=sharing',
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],
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'can_update_root' => $sharingRoot !== null && Gate::forUser($viewer)->allows('update', $sharingRoot),
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'can_set_version' => Gate::forUser($viewer)->allows('setVersion', $file),
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'version_chain' => $this->versions->chain($file, $viewer)
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->map(fn (File $member): array => [
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'id' => $member->id,
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'name' => $member->name,
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'url' => route('files.edit', $member, false),
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'is_current' => $member->id === $file->id,
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])->values(),
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// Narrowed like every other folder listing: an unscoped staff
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// member gets the whole tree, a client-scoped one only their
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// own. Unfiltered this handed a scoped staffer every folder
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// name and id on the installation.
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'folder_options' => $this->scope->folders($viewer)->orderBy('path')->orderBy('name')->get()
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->map(fn (Folder $folder): array => ['id' => $folder->id, 'name' => $folder->name])->all(),
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'categories' => Category::query()->orderBy('name')->get(['id', 'name', 'color'])
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->map(fn (Category $category): array => ['id' => $category->id, 'name' => $category->name, 'color' => $category->color])->all(),
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'assigned_category_ids' => $file->categories()->pluck('categories.id')->map(fn ($id): int => (int) $id)->all(),
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'can_set_categories' => $viewer->can('set_file_categories'),
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'can_update' => Gate::forUser($viewer)->allows('update', $file),
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'can_delete' => Gate::forUser($viewer)->allows('delete', $file),
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'can_manage_public' => $viewer->can('upload_public'),
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// Whether this page offers its Activity tab. The file's own
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// page is where somebody lands from a link, a search or a
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// notification, so "what happened to this file" has to be
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// answerable here and not only from the library's list.
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'can_view_activity' => $viewer->can('view_actions_log'),
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// The per-file switch only does anything while the comment
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// scope is `selected`; under every other value the page hides
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// it rather than offer a control with no current effect.
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'can_set_commentable' => $this->commenting->scope() === CommentScope::SelectedFiles,
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// The file's own page carries the conversation too, not just
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// the library's slide-over — it is where the activity log's
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// "View" link and a comment notification both land.
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'comments_enabled' => $this->commenting->enabled(),
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...$this->shareTargets->forSubject($file, $viewer),
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'share_links' => $file->shareLinks()->orderByDesc('created_at')->get()
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->map(fn (ShareLink $link): array => [
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'id' => $link->id,
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'url' => route('share.show', $link->token),
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'expires_at' => $link->expires_at?->toIso8601String(),
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'max_downloads' => $link->max_downloads,
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'downloads_count' => $link->downloads_count,
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'revoke_url' => route('share-links.destroy', $link, false),
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])->values(),
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'share_link_store_url' => route('files.share-links.store', $file, false),
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'can_set_expiration' => $viewer->can('set_file_expiration_date'),
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'can_limit_downloads' => $viewer->can('limit_downloads'),
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]);
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}
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public function update(Request $request, File $file): RedirectResponse
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{
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Gate::authorize('update', $file);
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$validated = $request->validate([
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'name' => ['required', 'string', 'max:255'],
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'description' => ['nullable', 'string', 'max:2000'],
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'folder_id' => Rules::folderId(),
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'public' => ['sometimes', 'boolean'],
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'commentable' => ['sometimes', 'boolean'],
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// The slug only matters (and is only shown) once a file is
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// public — otherwise fall back to one derived from the name.
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'slug' => Rules::slug('files', $file->id),
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'categories' => ['array'],
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'categories.*' => ['integer', 'exists:categories,id'],
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'expires_at' => ['nullable', 'date'],
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'download_limit' => ['nullable', 'integer', 'min:1'],
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'download_limit_scope' => ['nullable', Rule::enum(DownloadLimitScope::class)],
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]);
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// The edit form posts folder_id as a string; cast so the strict
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// change comparison below matches the model's int.
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$folderId = isset($validated['folder_id']) ? (int) $validated['folder_id'] : null;
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$user = $request->user();
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// Reparenting through update() is the same privileged write as
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// move()/bulkUpdate(), so it needs the same guard: the destination
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// must be a folder this user can actually see. Only checked when the
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// folder actually changes, so re-saving a file that already sits in
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// an out-of-scope folder (reachable via a direct client share) still
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// works.
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if ($folderId !== null && $folderId !== $file->folder_id && $user !== null) {
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$this->scope->folders($user)->findOrFail($folderId);
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}
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$attributes = [
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'name' => $validated['name'],
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'description' => $validated['description'] ?? null,
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'folder_id' => $folderId,
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];
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// Only meaningful while the comment scope is `selected`, and only
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// offered by the page then — but a request reaching here directly
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// must not be able to set a flag the UI is currently hiding, the
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// same shape as the upload_public gate below.
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if ($this->commenting->scope() === CommentScope::SelectedFiles) {
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$attributes['commentable'] = $validated['commentable'] ?? $file->commentable;
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}
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// Only a user who can set expiration dates may change this file's
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// own expiry — same "leave it alone if you lack the permission"
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// rule as the upload_public gate below.
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if ($request->user()?->can('set_file_expiration_date') === true) {
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$posted = $validated['expires_at'] ?? null;
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// Re-derived only when the date actually changed. The form was
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// rendered with the stored instant read back as a date in *this*
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// viewer's zone, and posts it again untouched with every other
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// edit — so deriving it unconditionally moves the expiry by the
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// difference between two people's zones each time somebody
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// merely renames the file. Compared against the same string the
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// form was given, above, so "unchanged" means what the editor
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// saw.
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if ($posted !== $this->expiryDateFor($file, $request->user())) {
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$attributes['expires_at'] = $this->expiryInstant($posted, $request->user());
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}
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}
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// Same rule again for the download cap, behind its own
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// permission — the one that already gates a share link's
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// max_downloads, since both are the same question asked about
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// different objects.
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if ($request->user()?->can('limit_downloads') === true) {
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$attributes['download_limit'] = $validated['download_limit'] ?? null;
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$attributes['download_limit_scope'] = $validated['download_limit_scope'] ?? DownloadLimitScope::Total->value;
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}
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$wasPublic = $file->public;
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// Only a user who can manage public state may change it — a user
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// who can edit a file but lacks upload_public leaves its public
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// state exactly as it was, same rule as FoldersController::update.
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if ($request->user()?->can('upload_public') === true) {
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$attributes['public'] = $validated['public'] ?? $file->public;
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// Omitting the field on an update leaves the current slug
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// alone — it must not silently change just because the name
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// did.
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$attributes['slug'] = ($validated['slug'] ?? '') ?: ($file->slug ?: File::uniqueSlugFrom($validated['name'], $file->id));
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}
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$file->update($attributes);
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// Categories are gated by their own permission; leave them untouched
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// for a user who can edit the file but not set categories.
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if ($request->user()?->can('set_file_categories') === true) {
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$file->categories()->sync($validated['categories'] ?? []);
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}
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$this->activity->log(Action::FileUpdated, subject: $file);
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if (! $wasPublic && $file->public) {
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$this->activity->log(Action::FileMadePublic, subject: $file, context: ['slug' => $file->slug]);
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} elseif ($wasPublic && ! $file->public) {
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$this->activity->log(Action::FileMadePrivate, subject: $file);
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}
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return back()->with('success', __('File updated.'));
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}
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/**
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* Reparent a file into a folder (or the root) — the drag-and-drop
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* move. Unlike update() this touches only the folder, so it needs no
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* name/description payload.
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*/
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public function move(Request $request, File $file): RedirectResponse
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{
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Gate::authorize('update', $file);
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$validated = $request->validate([
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'folder_id' => Rules::folderId(),
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]);
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$folderId = $validated['folder_id'] ?? null;
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$user = $request->user();
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// The target folder must be one the mover can actually see.
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if ($folderId !== null && $user !== null) {
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$this->scope->folders($user)->findOrFail($folderId);
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}
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$file->update(['folder_id' => $folderId]);
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$this->activity->log(Action::FileUpdated, subject: $file);
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return back();
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}
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/**
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* WordPress-style "Bulk Edit": one shared set of changes applied to
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* every selected file. Every field defaults to "no change" via its own
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* *_action sentinel, so a field left untouched in the dialog truly
|
|
* isn't touched here — critical for categories, where naively applying
|
|
* an empty list would wipe every file's existing categories instead of
|
|
* leaving them alone.
|
|
*/
|
|
public function bulkUpdate(Request $request): RedirectResponse
|
|
{
|
|
$user = $request->user();
|
|
assert($user !== null);
|
|
|
|
$validated = $request->validate([
|
|
'file_ids' => ['required', 'array', 'min:1'],
|
|
'file_ids.*' => ['integer', 'distinct'],
|
|
|
|
'folder_action' => ['required', Rule::in(['no_change', 'move'])],
|
|
'folder_id' => Rules::folderId(),
|
|
|
|
'description_action' => ['required', Rule::in(['no_change', 'set'])],
|
|
'description' => ['nullable', 'string', 'max:2000'],
|
|
|
|
'expiration_action' => ['required', Rule::in(['no_change', 'set', 'clear'])],
|
|
'expires_at' => ['nullable', 'date', 'required_if:expiration_action,set'],
|
|
|
|
// `sometimes` rather than `required` like the fields above:
|
|
// a browser still running the previous build would start
|
|
// getting 422s on every bulk edit the moment this deployed.
|
|
'download_limit_action' => ['sometimes', Rule::in(['no_change', 'set', 'clear'])],
|
|
'download_limit' => ['nullable', 'integer', 'min:1', 'required_if:download_limit_action,set'],
|
|
'download_limit_scope' => ['nullable', Rule::enum(DownloadLimitScope::class)],
|
|
|
|
'add_category_ids' => ['array'],
|
|
'add_category_ids.*' => ['integer', 'exists:categories,id'],
|
|
'remove_category_ids' => ['array'],
|
|
'remove_category_ids.*' => ['integer', 'exists:categories,id'],
|
|
]);
|
|
|
|
$touchesNothing = $validated['folder_action'] === 'no_change'
|
|
&& $validated['description_action'] === 'no_change'
|
|
&& $validated['expiration_action'] === 'no_change'
|
|
&& ($validated['download_limit_action'] ?? 'no_change') === 'no_change'
|
|
&& ($validated['add_category_ids'] ?? []) === []
|
|
&& ($validated['remove_category_ids'] ?? []) === [];
|
|
abort_if($touchesNothing, 422, __('Change at least one field before applying a bulk edit.'));
|
|
|
|
// The target folder must be one this user can actually see — same
|
|
// rule move() already applies to a single file's target.
|
|
$targetFolderId = null;
|
|
if ($validated['folder_action'] === 'move') {
|
|
$targetFolderId = $validated['folder_id'] ?? null;
|
|
if ($targetFolderId !== null) {
|
|
$this->scope->folders($user)->findOrFail($targetFolderId);
|
|
}
|
|
}
|
|
|
|
// Silently drop anything this user isn't allowed to edit — same
|
|
// convention as ZipDownloadsController::store's Gate::allows filter
|
|
// — rather than 403ing the whole batch over one file.
|
|
$files = File::query()->whereIn('id', $validated['file_ids'])->get()
|
|
->filter(fn (File $file): bool => Gate::forUser($user)->allows('update', $file));
|
|
|
|
abort_if($files->isEmpty(), 422, __('None of the selected files could be edited.'));
|
|
|
|
$canSetExpiration = $user->can('set_file_expiration_date');
|
|
$canLimitDownloads = $user->can('limit_downloads');
|
|
$canSetCategories = $user->can('set_file_categories');
|
|
$addCategoryIds = $validated['add_category_ids'] ?? [];
|
|
$removeCategoryIds = $validated['remove_category_ids'] ?? [];
|
|
$updated = 0;
|
|
|
|
DB::transaction(function () use ($files, $user, $validated, $targetFolderId, $canSetExpiration, $canLimitDownloads, $canSetCategories, $addCategoryIds, $removeCategoryIds, &$updated): void {
|
|
foreach ($files as $file) {
|
|
$attributes = [];
|
|
|
|
if ($validated['folder_action'] === 'move') {
|
|
$attributes['folder_id'] = $targetFolderId;
|
|
}
|
|
|
|
if ($validated['description_action'] === 'set') {
|
|
$attributes['description'] = $validated['description'] ?? null;
|
|
}
|
|
|
|
// Same "leave it alone if you lack the permission" rule as
|
|
// update()'s expires_at handling.
|
|
if ($validated['expiration_action'] !== 'no_change' && $canSetExpiration) {
|
|
$attributes['expires_at'] = $validated['expiration_action'] === 'set'
|
|
? $this->expiryInstant($validated['expires_at'], $user)
|
|
: null;
|
|
}
|
|
|
|
// Same rule again, behind its own permission.
|
|
$limitAction = $validated['download_limit_action'] ?? 'no_change';
|
|
|
|
if ($limitAction !== 'no_change' && $canLimitDownloads) {
|
|
$setting = $limitAction === 'set';
|
|
$attributes['download_limit'] = $setting ? (int) $validated['download_limit'] : null;
|
|
$attributes['download_limit_scope'] = $setting
|
|
? ($validated['download_limit_scope'] ?? DownloadLimitScope::Total->value)
|
|
: DownloadLimitScope::Total->value;
|
|
}
|
|
|
|
if ($attributes !== []) {
|
|
$file->update($attributes);
|
|
}
|
|
|
|
// Add/remove, never sync() — bulk edit must never wipe
|
|
// categories the admin didn't ask to touch.
|
|
$categoriesTouched = false;
|
|
if ($canSetCategories) {
|
|
if ($addCategoryIds !== []) {
|
|
$file->categories()->syncWithoutDetaching($addCategoryIds);
|
|
$categoriesTouched = true;
|
|
}
|
|
if ($removeCategoryIds !== []) {
|
|
$file->categories()->detach($removeCategoryIds);
|
|
$categoriesTouched = true;
|
|
}
|
|
}
|
|
|
|
if ($attributes !== [] || $categoriesTouched) {
|
|
$this->activity->log(Action::FileUpdated, subject: $file);
|
|
$updated++;
|
|
}
|
|
}
|
|
});
|
|
|
|
$requested = count($validated['file_ids']);
|
|
|
|
// Two different reasons a selected file can go unchanged, and they
|
|
// are not the same sentence. Files dropped by the Gate::allows
|
|
// filter above are ones this user may not edit at all. A file that
|
|
// survived the filter and still changed nothing was editable --
|
|
// every field they asked to change was one their role does not let
|
|
// them set, which is the case the single-file editor states
|
|
// separately too. Reporting the first reason for the second told a
|
|
// staff member with edit_files but without set_file_expiration_date
|
|
// that three files they own are not theirs to edit.
|
|
$unreachable = $requested - $files->count();
|
|
|
|
$message = match (true) {
|
|
$updated === $requested => trans_choice(':count file updated.|:count files updated.', $updated, ['count' => $updated]),
|
|
$updated + $unreachable === $requested => __(':updated of :requested selected files were updated. The rest were skipped because you don\'t have permission to edit them.', ['updated' => $updated, 'requested' => $requested]),
|
|
default => __(':updated of :requested selected files were updated. The rest were skipped because you don\'t have permission to make those changes.', ['updated' => $updated, 'requested' => $requested]),
|
|
};
|
|
|
|
return back()->with('success', $message);
|
|
}
|
|
|
|
public function destroy(File $file): RedirectResponse
|
|
{
|
|
Gate::authorize('delete', $file);
|
|
|
|
$name = $file->name;
|
|
// Soft delete; the bytes stay on disk until a purge policy
|
|
// lands with the retention work.
|
|
$file->delete();
|
|
|
|
$this->activity->log(Action::FileDeleted, context: ['name' => $name]);
|
|
|
|
return redirect()->route('files.index')->with('success', __('File deleted.'));
|
|
}
|
|
|
|
/**
|
|
* The instant a `<input type="date">` expiry actually falls on.
|
|
*
|
|
* The form posts a bare `YYYY-MM-DD`, which Eloquent would otherwise
|
|
* store as midnight UTC — so "expires on the 12th" would cut the file
|
|
* off partway through the 11th for anyone in the Americas, and give
|
|
* anyone east of Greenwich most of a day they were not promised. It
|
|
* means the end of the 12th where the person setting it lives.
|
|
*/
|
|
private function expiryInstant(?string $date, ?User $setter): ?Carbon
|
|
{
|
|
return $date === null
|
|
? null
|
|
: LocalDay::end($date, $this->timezones->resolve($setter));
|
|
}
|
|
|
|
/**
|
|
* The inverse: the calendar date a stored expiry falls on for this
|
|
* viewer, which is what the date input is given and what it posts back.
|
|
*
|
|
* The pair has to agree, or a re-save reads one date and writes
|
|
* another.
|
|
*/
|
|
private function expiryDateFor(File $file, ?User $viewer): ?string
|
|
{
|
|
return $file->expires_at?->copy()->setTimezone($this->timezones->resolve($viewer))->toDateString();
|
|
}
|
|
}
|