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.
93 lines
3.3 KiB
PHP
93 lines
3.3 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Modules\Files\Sharing;
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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\Files\Models\File;
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use App\Modules\Files\Models\FileAssignment;
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use App\Modules\Groups\Models\Group;
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use App\Modules\Notifications\NotificationDigester;
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use App\Modules\Notifications\Notifier;
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/**
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* What actually happens when a file is shared with a client or a group —
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* the assignment row, the activity entry, the in-app notification and the
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* debounced digest email, in that order.
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*
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* Extracted so the web controller and the API controller cannot answer the
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* question differently. Sharing is not one insert: it is an insert plus
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* three side effects, and the next side effect added here should not
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* depend on someone remembering there are two callers. Same reasoning as
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* StoreUploadedFile, which is the single seam for "a payload becomes a
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* File".
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*
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* Authorization is the caller's job — both callers reach this after
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* Gate::authorize('update', $file), and the target has already been
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* resolved and scope-checked by ResolvesShareTargets.
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*/
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class FileSharing
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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 NotificationDigester $digester,
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private readonly Notifier $notifier,
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) {}
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/**
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* Idempotent: assigning a file to the same target twice is a no-op for
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* the row, which matters for an API caller retrying a request.
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*/
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public function assign(File $file, User|Group $assignable, string $targetName): void
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{
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FileAssignment::query()->firstOrCreate([
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'file_id' => $file->id,
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'assignable_type' => $assignable->getMorphClass(),
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'assignable_id' => $assignable->getKey(),
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]);
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$this->activity->log(Action::FileAssigned, subject: $file, context: ['target' => $targetName]);
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$recipients = $this->recipients($assignable);
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$this->notifier->send('file_shared', $recipients, subject: $file, data: ['itemName' => $file->name]);
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// The master switch and each recipient's own preference are the
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// digester's job now — every caller was repeating them.
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$this->digester->queue('file_shared', $recipients, $file->name, ['is_folder' => false]);
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}
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/**
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* @return bool whether an assignment was actually removed
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*/
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public function unassign(File $file, User|Group $assignable, string $targetName): bool
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{
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$deleted = FileAssignment::query()
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->where('file_id', $file->id)
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->where('assignable_type', $assignable->getMorphClass())
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->where('assignable_id', $assignable->getKey())
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->delete();
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if ($deleted > 0) {
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$this->activity->log(Action::FileUnassigned, subject: $file, context: ['target' => $targetName]);
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}
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return $deleted > 0;
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}
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/**
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* Notifier performs no authorization of its own — see its SECURITY
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* CONTRACT docblock — so the recipient list is resolved here, from the
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* assignment itself.
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*
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* @return iterable<User>
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*/
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private function recipients(User|Group $assignable): iterable
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{
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return $assignable instanceof Group ? $assignable->members : [$assignable];
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}
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}
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