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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
*
* @author Julius Härtl <jus@bitgrid.net>
*
* @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\Text\DAV;
use OC\Files\Node\File;
use OC\Files\Node\Folder;
use OCA\DAV\Connector\Sabre\Directory;
use OCA\DAV\Files\FilesHome;
use OCA\Text\AppInfo\Application;
use OCA\Text\Service\WorkspaceService;
use OCP\Files\IRootFolder;
use OCP\Files\StorageNotAvailableException;
use OCP\IConfig;
use Sabre\DAV\INode;
use Sabre\DAV\PropFind;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
class WorkspacePlugin extends ServerPlugin {
public const WORKSPACE_PROPERTY = '{http://nextcloud.org/ns}rich-workspace';
public const WORKSPACE_FILE_PROPERTY = '{http://nextcloud.org/ns}rich-workspace-file';
/** @var Server */
private $server;
/** @var WorkspaceService */
private $workspaceService;
/** @var IRootFolder */
private $rootFolder;
/** @var IConfig */
private $config;
/** @var string|null */
private $userId;
public function __construct(WorkspaceService $workspaceService, IRootFolder $rootFolder, IConfig $config, $userId) {
$this->workspaceService = $workspaceService;
$this->rootFolder = $rootFolder;
$this->config = $config;
$this->userId = $userId;
}
/**
* This initializes the plugin.
*
* This function is called by Sabre\DAV\Server, after
* addPlugin is called.
*
* This method should set up the required event subscriptions.
*
* @param Server $server
* @return void
*/
public function initialize(Server $server) {
$this->server = $server;
$this->server->on('propFind', [$this, 'propFind']);
}
public function propFind(PropFind $propFind, INode $node) {
if (!$node instanceof Directory && !$node instanceof FilesHome) {
return;
}
$workspaceAvailable = $this->config->getAppValue(Application::APP_NAME, 'workspace_available', '1') === '1';
$workspaceEnabled = $this->config->getUserValue($this->userId, Application::APP_NAME, 'workspace_enabled', '1') === '1';
if (!$workspaceAvailable || !$workspaceEnabled) {
return;
}
// Only return the property for the parent node and ignore it for further in depth nodes
$propFind->handle(self::WORKSPACE_PROPERTY, function () use ($node) {
$owner = $this->userId ?? $node->getFileInfo()->getStorage()->getOwner('');
/** @var Folder[] $nodes */
$nodes = $this->rootFolder->getUserFolder($owner)->getById($node->getId());
if (count($nodes) > 0) {
/** @var File $file */
try {
$file = $this->workspaceService->getFile($nodes[0]);
if ($file instanceof File) {
return $file->getContent();
}
} catch (StorageNotAvailableException $e) {
// If a storage is not available we can for the propfind response assume that there is no rich workspace present
}
}
return '';
});
$propFind->handle(self::WORKSPACE_FILE_PROPERTY, function () use ($node) {
/** @var Folder[] $nodes */
$nodes = $this->rootFolder->getUserFolder($this->userId)->getById($node->getId());
if (count($nodes) > 0) {
/** @var File $file */
try {
$file = $this->workspaceService->getFile($nodes[0]);
if ($file instanceof File) {
return $file->getFileInfo()->getId();
}
} catch (StorageNotAvailableException $e) {
// If a storage is not available we can for the propfind response assume that there is no rich workspace present
}
}
return '';
});
}
}
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