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226 lines
6.6 KiB
226 lines
6.6 KiB
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license AGPL-3.0
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*
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* This code 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, version 3,
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* as published by the Free Software Foundation.
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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, version 3,
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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\Files\Config;
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use OC\Hooks\Emitter;
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use OC\Hooks\EmitterTrait;
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use OCP\Files\Config\IHomeMountProvider;
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use OCP\Files\Config\IMountProvider;
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use OCP\Files\Config\IMountProviderCollection;
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use OCP\Files\Config\IRootMountProvider;
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use OCP\Files\Config\IUserMountCache;
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use OCP\Files\Mount\IMountManager;
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use OCP\Files\Mount\IMountPoint;
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use OCP\Files\Storage\IStorageFactory;
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use OCP\IUser;
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class MountProviderCollection implements IMountProviderCollection, Emitter {
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use EmitterTrait;
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/**
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* @var \OCP\Files\Config\IHomeMountProvider[]
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*/
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private $homeProviders = [];
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/**
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* @var \OCP\Files\Config\IMountProvider[]
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*/
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private $providers = [];
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/** @var \OCP\Files\Config\IRootMountProvider[] */
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private $rootProviders = [];
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/**
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* @var \OCP\Files\Storage\IStorageFactory
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*/
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private $loader;
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/**
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* @var \OCP\Files\Config\IUserMountCache
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*/
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private $mountCache;
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/** @var callable[] */
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private $mountFilters = [];
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/**
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* @param \OCP\Files\Storage\IStorageFactory $loader
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* @param IUserMountCache $mountCache
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*/
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public function __construct(IStorageFactory $loader, IUserMountCache $mountCache) {
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$this->loader = $loader;
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$this->mountCache = $mountCache;
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}
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/**
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* Get all configured mount points for the user
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*
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* @param \OCP\IUser $user
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* @return \OCP\Files\Mount\IMountPoint[]
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*/
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public function getMountsForUser(IUser $user) {
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$loader = $this->loader;
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$mounts = array_map(function (IMountProvider $provider) use ($user, $loader) {
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return $provider->getMountsForUser($user, $loader);
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}, $this->providers);
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$mounts = array_filter($mounts, function ($result) {
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return is_array($result);
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});
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$mounts = array_reduce($mounts, function (array $mounts, array $providerMounts) {
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return array_merge($mounts, $providerMounts);
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}, []);
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return $this->filterMounts($user, $mounts);
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}
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public function addMountForUser(IUser $user, IMountManager $mountManager) {
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// shared mount provider gets to go last since it needs to know existing files
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// to check for name collisions
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$firstMounts = [];
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$firstProviders = array_filter($this->providers, function (IMountProvider $provider) {
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return (get_class($provider) !== 'OCA\Files_Sharing\MountProvider');
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});
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$lastProviders = array_filter($this->providers, function (IMountProvider $provider) {
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return (get_class($provider) === 'OCA\Files_Sharing\MountProvider');
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});
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foreach ($firstProviders as $provider) {
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$mounts = $provider->getMountsForUser($user, $this->loader);
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if (is_array($mounts)) {
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$firstMounts = array_merge($firstMounts, $mounts);
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}
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}
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$firstMounts = $this->filterMounts($user, $firstMounts);
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array_walk($firstMounts, [$mountManager, 'addMount']);
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$lateMounts = [];
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foreach ($lastProviders as $provider) {
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$mounts = $provider->getMountsForUser($user, $this->loader);
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if (is_array($mounts)) {
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$lateMounts = array_merge($lateMounts, $mounts);
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}
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}
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$lateMounts = $this->filterMounts($user, $lateMounts);
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array_walk($lateMounts, [$mountManager, 'addMount']);
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return array_merge($lateMounts, $firstMounts);
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}
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/**
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* Get the configured home mount for this user
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*
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* @param \OCP\IUser $user
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* @return \OCP\Files\Mount\IMountPoint
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* @since 9.1.0
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*/
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public function getHomeMountForUser(IUser $user) {
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/** @var \OCP\Files\Config\IHomeMountProvider[] $providers */
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$providers = array_reverse($this->homeProviders); // call the latest registered provider first to give apps an opportunity to overwrite builtin
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foreach ($providers as $homeProvider) {
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if ($mount = $homeProvider->getHomeMountForUser($user, $this->loader)) {
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$mount->setMountPoint('/' . $user->getUID()); //make sure the mountpoint is what we expect
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return $mount;
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}
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}
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throw new \Exception('No home storage configured for user ' . $user);
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}
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/**
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* Add a provider for mount points
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*
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* @param \OCP\Files\Config\IMountProvider $provider
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*/
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public function registerProvider(IMountProvider $provider) {
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$this->providers[] = $provider;
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$this->emit('\OC\Files\Config', 'registerMountProvider', [$provider]);
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}
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public function registerMountFilter(callable $filter) {
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$this->mountFilters[] = $filter;
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}
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private function filterMounts(IUser $user, array $mountPoints) {
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return array_filter($mountPoints, function (IMountPoint $mountPoint) use ($user) {
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foreach ($this->mountFilters as $filter) {
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if ($filter($mountPoint, $user) === false) {
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return false;
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}
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}
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return true;
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});
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}
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/**
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* Add a provider for home mount points
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*
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* @param \OCP\Files\Config\IHomeMountProvider $provider
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* @since 9.1.0
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*/
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public function registerHomeProvider(IHomeMountProvider $provider) {
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$this->homeProviders[] = $provider;
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$this->emit('\OC\Files\Config', 'registerHomeMountProvider', [$provider]);
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}
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/**
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* Cache mounts for user
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*
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* @param IUser $user
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* @param IMountPoint[] $mountPoints
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*/
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public function registerMounts(IUser $user, array $mountPoints) {
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$this->mountCache->registerMounts($user, $mountPoints);
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}
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/**
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* Get the mount cache which can be used to search for mounts without setting up the filesystem
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*
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* @return IUserMountCache
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*/
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public function getMountCache() {
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return $this->mountCache;
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}
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public function registerRootProvider(IRootMountProvider $provider) {
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$this->rootProviders[] = $provider;
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}
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/**
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* Get all root mountpoints
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*
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* @return \OCP\Files\Mount\IMountPoint[]
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* @since 20.0.0
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*/
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public function getRootMounts(): array {
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$loader = $this->loader;
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$mounts = array_map(function (IRootMountProvider $provider) use ($loader) {
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return $provider->getRootMounts($loader);
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}, $this->rootProviders);
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$mounts = array_reduce($mounts, function (array $mounts, array $providerMounts) {
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return array_merge($mounts, $providerMounts);
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}, []);
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return $mounts;
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}
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}
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