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<?php
/**
* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @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 OC\Share20;
use OCP\Files\InvalidPathException;
use OCP\Files\Node;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\Share\IManager;
use OCP\Share\IShareHelper;
class ShareHelper implements IShareHelper {
/** @var IManager */
private $shareManager;
public function __construct(IManager $shareManager) {
$this->shareManager = $shareManager;
}
/**
* @param Node $node
* @return array [ users => [Mapping $uid => $pathForUser], remotes => [Mapping $cloudId => $pathToMountRoot]]
*/
public function getPathsForAccessList(Node $node) {
$result = [
'users' => [],
'remotes' => [],
];
$accessList = $this->shareManager->getAccessList($node, true, true);
if (!empty($accessList['users'])) {
$result['users'] = $this->getPathsForUsers($node, $accessList['users']);
}
if (!empty($accessList['remote'])) {
$result['remotes'] = $this->getPathsForRemotes($node, $accessList['remote']);
}
return $result;
}
/**
* @param Node $node
* @param array[] $users
* @return array
*/
protected function getPathsForUsers(Node $node, array $users) {
/** @var array[] $byId */
$byId = [];
/** @var array[] $results */
$results = [];
foreach ($users as $uid => $info) {
if (!isset($byId[$info['node_id']])) {
$byId[$info['node_id']] = [];
}
$byId[$info['node_id']][$uid] = $info['node_path'];
}
try {
if (isset($byId[$node->getId()])) {
foreach ($byId[$node->getId()] as $uid => $path) {
$results[$uid] = $path;
}
unset($byId[$node->getId()]);
}
} catch (NotFoundException $e) {
return $results;
} catch (InvalidPathException $e) {
return $results;
}
if (empty($byId)) {
return $results;
}
$item = $node;
$appendix = '/' . $node->getName();
while (!empty($byId)) {
try {
/** @var Node $item */
$item = $item->getParent();
if (!empty($byId[$item->getId()])) {
foreach ($byId[$item->getId()] as $uid => $path) {
$results[$uid] = $path . $appendix;
}
unset($byId[$item->getId()]);
}
$appendix = '/' . $item->getName() . $appendix;
} catch (NotFoundException $e) {
return $results;
} catch (InvalidPathException $e) {
return $results;
} catch (NotPermittedException $e) {
return $results;
}
}
return $results;
}
/**
* @param Node $node
* @param array[] $remotes
* @return array
*/
protected function getPathsForRemotes(Node $node, array $remotes) {
/** @var array[] $byId */
$byId = [];
/** @var array[] $results */
$results = [];
foreach ($remotes as $cloudId => $info) {
if (!isset($byId[$info['node_id']])) {
$byId[$info['node_id']] = [];
}
$byId[$info['node_id']][$cloudId] = $info['token'];
}
$item = $node;
while (!empty($byId)) {
try {
if (!empty($byId[$item->getId()])) {
$path = $this->getMountedPath($item);
foreach ($byId[$item->getId()] as $uid => $token) {
$results[$uid] = [
'node_path' => $path,
'token' => $token,
];
}
unset($byId[$item->getId()]);
}
/** @var Node $item */
$item = $item->getParent();
} catch (NotFoundException $e) {
return $results;
} catch (InvalidPathException $e) {
return $results;
} catch (NotPermittedException $e) {
return $results;
}
}
return $results;
}
/**
* @param Node $node
* @return string
*/
protected function getMountedPath(Node $node) {
$path = $node->getPath();
$sections = explode('/', $path, 4);
return '/' . $sections[3];
}
}
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