mirror of https://github.com/nextcloud/server
136 lines
3.5 KiB
PHP
136 lines
3.5 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Julius Härtl <jus@bitgrid.net>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Files\Collaboration\Resources;
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use OCP\Collaboration\Resources\IProvider;
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use OCP\Collaboration\Resources\IResource;
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use OCP\Collaboration\Resources\ResourceException;
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use OCP\Files\IRootFolder;
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use OCP\Files\Node;
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use OCP\IPreview;
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use OCP\IURLGenerator;
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use OCP\IUser;
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class ResourceProvider implements IProvider {
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public const RESOURCE_TYPE = 'file';
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/** @var IRootFolder */
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protected $rootFolder;
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/** @var IPreview */
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private $preview;
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/** @var IURLGenerator */
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private $urlGenerator;
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/** @var array */
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protected $nodes = [];
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public function __construct(IRootFolder $rootFolder,
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IPreview $preview,
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IURLGenerator $urlGenerator) {
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$this->rootFolder = $rootFolder;
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$this->preview = $preview;
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$this->urlGenerator = $urlGenerator;
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}
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private function getNode(IResource $resource): ?Node {
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if (isset($this->nodes[(int) $resource->getId()])) {
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return $this->nodes[(int) $resource->getId()];
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}
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$node = $this->rootFolder->getFirstNodeById((int) $resource->getId());
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if ($node) {
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$this->nodes[(int) $resource->getId()] = $node;
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return $this->nodes[(int) $resource->getId()];
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}
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return null;
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}
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/**
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* @param IResource $resource
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* @return array
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* @since 16.0.0
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*/
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public function getResourceRichObject(IResource $resource): array {
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if (isset($this->nodes[(int) $resource->getId()])) {
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$node = $this->nodes[(int) $resource->getId()]->getPath();
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} else {
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$node = $this->getNode($resource);
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}
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if ($node instanceof Node) {
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$link = $this->urlGenerator->linkToRouteAbsolute(
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'files.viewcontroller.showFile',
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['fileid' => $resource->getId()]
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);
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return [
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'type' => 'file',
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'id' => $resource->getId(),
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'name' => $node->getName(),
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'path' => $node->getInternalPath(),
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'link' => $link,
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'mimetype' => $node->getMimetype(),
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'preview-available' => $this->preview->isAvailable($node),
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];
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}
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throw new ResourceException('File not found');
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}
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/**
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* Can a user/guest access the collection
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*
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* @param IResource $resource
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* @param IUser $user
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* @return bool
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* @since 16.0.0
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*/
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public function canAccessResource(IResource $resource, ?IUser $user = null): bool {
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if (!$user instanceof IUser) {
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return false;
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}
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$userFolder = $this->rootFolder->getUserFolder($user->getUID());
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$node = $userFolder->getById((int) $resource->getId());
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if ($node) {
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$this->nodes[(int) $resource->getId()] = $node;
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return true;
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}
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return false;
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}
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/**
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* Get the resource type of the provider
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*
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* @return string
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* @since 16.0.0
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*/
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public function getType(): string {
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return self::RESOURCE_TYPE;
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}
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}
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