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219 lines
5.5 KiB
219 lines
5.5 KiB
<?php
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/**
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* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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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 OC\Share20;
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use OCP\Files\InvalidPathException;
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use OCP\Files\Node;
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use OCP\Files\NotFoundException;
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use OCP\Files\NotPermittedException;
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use OCP\Share\IManager;
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use OCP\Share\IShareHelper;
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class ShareHelper implements IShareHelper {
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/** @var IManager */
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private $shareManager;
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public function __construct(IManager $shareManager) {
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$this->shareManager = $shareManager;
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}
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/**
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* @param Node $node
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* @return array [ users => [Mapping $uid => $pathForUser], remotes => [Mapping $cloudId => $pathToMountRoot]]
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*/
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public function getPathsForAccessList(Node $node) {
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$result = [
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'users' => [],
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'remotes' => [],
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];
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$accessList = $this->shareManager->getAccessList($node, true, true);
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if (!empty($accessList['users'])) {
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$result['users'] = $this->getPathsForUsers($node, $accessList['users']);
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}
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if (!empty($accessList['remote'])) {
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$result['remotes'] = $this->getPathsForRemotes($node, $accessList['remote']);
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}
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return $result;
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}
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/**
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* Sample:
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* $users = [
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* 'test1' => ['node_id' => 16, 'node_path' => '/foo'],
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* 'test2' => ['node_id' => 23, 'node_path' => '/bar'],
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* 'test3' => ['node_id' => 42, 'node_path' => '/cat'],
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* 'test4' => ['node_id' => 48, 'node_path' => '/dog'],
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* ];
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*
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* Node tree:
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* - SixTeen is the parent of TwentyThree
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* - TwentyThree is the parent of FortyTwo
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* - FortyEight does not exist
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*
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* $return = [
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* 'test1' => '/foo/TwentyThree/FortyTwo',
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* 'test2' => '/bar/FortyTwo',
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* 'test3' => '/cat',
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* ],
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*
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* @param Node $node
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* @param array[] $users
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* @return array
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*/
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protected function getPathsForUsers(Node $node, array $users) {
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/** @var array[] $byId */
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$byId = [];
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/** @var array[] $results */
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$results = [];
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foreach ($users as $uid => $info) {
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if (!isset($byId[$info['node_id']])) {
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$byId[$info['node_id']] = [];
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}
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$byId[$info['node_id']][$uid] = $info['node_path'];
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}
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try {
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if (isset($byId[$node->getId()])) {
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foreach ($byId[$node->getId()] as $uid => $path) {
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$results[$uid] = $path;
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}
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unset($byId[$node->getId()]);
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}
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} catch (NotFoundException $e) {
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return $results;
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} catch (InvalidPathException $e) {
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return $results;
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}
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if (empty($byId)) {
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return $results;
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}
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$item = $node;
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$appendix = '/' . $node->getName();
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while (!empty($byId)) {
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try {
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/** @var Node $item */
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$item = $item->getParent();
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if (!empty($byId[$item->getId()])) {
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foreach ($byId[$item->getId()] as $uid => $path) {
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$results[$uid] = $path . $appendix;
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}
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unset($byId[$item->getId()]);
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}
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$appendix = '/' . $item->getName() . $appendix;
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} catch (NotFoundException $e) {
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return $results;
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} catch (InvalidPathException $e) {
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return $results;
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} catch (NotPermittedException $e) {
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return $results;
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}
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}
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return $results;
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}
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/**
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* Sample:
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* $remotes = [
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* 'test1' => ['node_id' => 16, 'token' => 't1'],
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* 'test2' => ['node_id' => 23, 'token' => 't2'],
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* 'test3' => ['node_id' => 42, 'token' => 't3'],
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* 'test4' => ['node_id' => 48, 'token' => 't4'],
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* ];
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*
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* Node tree:
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* - SixTeen is the parent of TwentyThree
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* - TwentyThree is the parent of FortyTwo
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* - FortyEight does not exist
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*
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* $return = [
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* 'test1' => ['token' => 't1', 'node_path' => '/SixTeen'],
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* 'test2' => ['token' => 't2', 'node_path' => '/SixTeen/TwentyThree'],
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* 'test3' => ['token' => 't3', 'node_path' => '/SixTeen/TwentyThree/FortyTwo'],
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* ],
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*
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* @param Node $node
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* @param array[] $remotes
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* @return array
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*/
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protected function getPathsForRemotes(Node $node, array $remotes) {
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/** @var array[] $byId */
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$byId = [];
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/** @var array[] $results */
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$results = [];
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foreach ($remotes as $cloudId => $info) {
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if (!isset($byId[$info['node_id']])) {
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$byId[$info['node_id']] = [];
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}
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$byId[$info['node_id']][$cloudId] = $info['token'];
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}
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$item = $node;
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while (!empty($byId)) {
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try {
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if (!empty($byId[$item->getId()])) {
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$path = $this->getMountedPath($item);
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foreach ($byId[$item->getId()] as $uid => $token) {
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$results[$uid] = [
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'node_path' => $path,
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'token' => $token,
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];
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}
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unset($byId[$item->getId()]);
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}
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/** @var Node $item */
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$item = $item->getParent();
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} catch (NotFoundException $e) {
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return $results;
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} catch (InvalidPathException $e) {
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return $results;
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} catch (NotPermittedException $e) {
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return $results;
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}
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}
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return $results;
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}
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/**
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* @param Node $node
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* @return string
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*/
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protected function getMountedPath(Node $node) {
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$path = $node->getPath();
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$sections = explode('/', $path, 4);
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return '/' . $sections[3];
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}
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}
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