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Merge pull request nextcloud#44967 from nextcloud/perf/sharing-events
perf(files_sharing): Move events to listener classes and registration instead of boot
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65 changes: 65 additions & 0 deletions
65
apps/files_sharing/lib/Listener/BeforeDirectFileDownloadListener.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
|
|
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| /** | ||
| * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl> | ||
| * | ||
| * @author John Molakvoæ <skjnldsv@protonmail.com> | ||
| * | ||
| * @license GNU AGPL version 3 or any later version | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as | ||
| * published by the Free Software Foundation, either version 3 of the | ||
| * License, or (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
|
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| namespace OCA\Files_Sharing\Listener; | ||
|
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| use OCA\Files_Sharing\ViewOnly; | ||
| use OCP\EventDispatcher\Event; | ||
| use OCP\EventDispatcher\IEventListener; | ||
| use OCP\Files\Events\BeforeDirectFileDownloadEvent; | ||
| use OCP\Files\IRootFolder; | ||
| use OCP\IUserSession; | ||
|
|
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| /** | ||
| * @template-implements IEventListener<BeforeDirectFileDownloadEvent|Event> | ||
| */ | ||
| class BeforeDirectFileDownloadListener implements IEventListener { | ||
|
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| public function __construct( | ||
| private IUserSession $userSession, | ||
| private IRootFolder $rootFolder, | ||
| ) { | ||
| } | ||
|
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| public function handle(Event $event): void { | ||
| if (!($event instanceof BeforeDirectFileDownloadEvent)) { | ||
| return; | ||
| } | ||
|
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| $pathsToCheck = [$event->getPath()]; | ||
| // Check only for user/group shares. Don't restrict e.g. share links | ||
| $user = $this->userSession->getUser(); | ||
| if ($user) { | ||
| $viewOnlyHandler = new ViewOnly( | ||
| $this->rootFolder->getUserFolder($user->getUID()) | ||
| ); | ||
| if (!$viewOnlyHandler->check($pathsToCheck)) { | ||
| $event->setSuccessful(false); | ||
| $event->setErrorMessage('Access to this resource or one of its sub-items has been denied.'); | ||
| } | ||
| } | ||
| } | ||
| } |
76 changes: 76 additions & 0 deletions
76
apps/files_sharing/lib/Listener/BeforeZipCreatedListener.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
|
|
||
| /** | ||
| * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl> | ||
| * | ||
| * @author John Molakvoæ <skjnldsv@protonmail.com> | ||
| * | ||
| * @license GNU AGPL version 3 or any later version | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as | ||
| * published by the Free Software Foundation, either version 3 of the | ||
| * License, or (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
|
|
||
| namespace OCA\Files_Sharing\Listener; | ||
|
|
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| use OCA\Files_Sharing\ViewOnly; | ||
| use OCP\EventDispatcher\Event; | ||
| use OCP\EventDispatcher\IEventListener; | ||
| use OCP\Files\Events\BeforeZipCreatedEvent; | ||
| use OCP\Files\IRootFolder; | ||
| use OCP\IUserSession; | ||
|
|
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| /** | ||
| * @template-implements IEventListener<BeforeZipCreatedEvent|Event> | ||
| */ | ||
| class BeforeZipCreatedListener implements IEventListener { | ||
|
|
||
| public function __construct( | ||
| private IUserSession $userSession, | ||
| private IRootFolder $rootFolder, | ||
| ) { | ||
| } | ||
|
|
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| public function handle(Event $event): void { | ||
| if (!($event instanceof BeforeZipCreatedEvent)) { | ||
| return; | ||
| } | ||
|
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| $dir = $event->getDirectory(); | ||
| $files = $event->getFiles(); | ||
|
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| $pathsToCheck = []; | ||
| foreach ($files as $file) { | ||
| $pathsToCheck[] = $dir . '/' . $file; | ||
| } | ||
|
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| // Check only for user/group shares. Don't restrict e.g. share links | ||
| $user = $this->userSession->getUser(); | ||
| if ($user) { | ||
| $viewOnlyHandler = new ViewOnly( | ||
| $this->rootFolder->getUserFolder($user->getUID()) | ||
| ); | ||
| if (!$viewOnlyHandler->check($pathsToCheck)) { | ||
| $event->setErrorMessage('Access to this resource or one of its sub-items has been denied.'); | ||
| $event->setSuccessful(false); | ||
| } else { | ||
| $event->setSuccessful(true); | ||
| } | ||
| } else { | ||
| $event->setSuccessful(true); | ||
| } | ||
| } | ||
| } |
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