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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2023 Robin Appelman <robin@icewind.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\Core\Command\Info;
use OC\Files\SetupManager;
use OCA\Circles\MountManager\CircleMount;
use OCA\Files_External\Config\ExternalMountPoint;
use OCA\Files_Sharing\SharedMount;
use OCA\GroupFolders\Mount\GroupMountPoint;
use OCP\Constants;
use OCP\Files\Config\IUserMountCache;
use OCP\Files\FileInfo;
use OCP\Files\IHomeStorage;
use OCP\Files\IRootFolder;
use OCP\Files\Mount\IMountManager;
use OCP\Files\Mount\IMountPoint;
use OCP\Files\Node;
use OCP\Files\NotFoundException;
use OCP\Share\IShare;
use OCP\Util;
use Symfony\Component\Console\Output\OutputInterface;
use OCP\Files\Folder;
class FileUtils {
private IRootFolder $rootFolder;
private IUserMountCache $userMountCache;
private IMountManager $mountManager;
private SetupManager $setupManager;
public function __construct(
IRootFolder $rootFolder,
IUserMountCache $userMountCache,
IMountManager $mountManager,
SetupManager $setupManager
) {
$this->rootFolder = $rootFolder;
$this->userMountCache = $userMountCache;
$this->mountManager = $mountManager;
$this->setupManager = $setupManager;
}
/**
* @param FileInfo $file
* @return array<string, Node[]>
* @throws \OCP\Files\NotPermittedException
* @throws \OC\User\NoUserException
*/
public function getFilesByUser(FileInfo $file): array {
$id = $file->getId();
if (!$id) {
return [];
}
$mounts = $this->userMountCache->getMountsForFileId($id);
$result = [];
foreach ($mounts as $mount) {
if (isset($result[$mount->getUser()->getUID()])) {
continue;
}
$userFolder = $this->rootFolder->getUserFolder($mount->getUser()->getUID());
$result[$mount->getUser()->getUID()] = $userFolder->getById($id);
}
return $result;
}
/**
* Get file by either id of path
*
* @param string $fileInput
* @return Node|null
*/
public function getNode(string $fileInput): ?Node {
if (is_numeric($fileInput)) {
$mounts = $this->userMountCache->getMountsForFileId((int)$fileInput);
if (!$mounts) {
return null;
}
$mount = $mounts[0];
$userFolder = $this->rootFolder->getUserFolder($mount->getUser()->getUID());
$nodes = $userFolder->getById((int)$fileInput);
if (!$nodes) {
return null;
}
return $nodes[0];
} else {
try {
return $this->rootFolder->get($fileInput);
} catch (NotFoundException $e) {
return null;
}
}
}
public function formatPermissions(string $type, int $permissions): string {
if ($permissions == Constants::PERMISSION_ALL || ($type === 'file' && $permissions == (Constants::PERMISSION_ALL - Constants::PERMISSION_CREATE))) {
return "full permissions";
}
$perms = [];
$allPerms = [Constants::PERMISSION_READ => "read", Constants::PERMISSION_UPDATE => "update", Constants::PERMISSION_CREATE => "create", Constants::PERMISSION_DELETE => "delete", Constants::PERMISSION_SHARE => "share"];
foreach ($allPerms as $perm => $name) {
if (($permissions & $perm) === $perm) {
$perms[] = $name;
}
}
return implode(", ", $perms);
}
/**
* @psalm-suppress UndefinedClass
* @psalm-suppress UndefinedInterfaceMethod
*/
public function formatMountType(IMountPoint $mountPoint): string {
$storage = $mountPoint->getStorage();
if ($storage && $storage->instanceOfStorage(IHomeStorage::class)) {
return "home storage";
} elseif ($mountPoint instanceof SharedMount) {
$share = $mountPoint->getShare();
$shares = $mountPoint->getGroupedShares();
$sharedBy = array_map(function (IShare $share) {
$shareType = $this->formatShareType($share);
if ($shareType) {
return $share->getSharedBy() . " (via " . $shareType . " " . $share->getSharedWith() . ")";
} else {
return $share->getSharedBy();
}
}, $shares);
$description = "shared by " . implode(', ', $sharedBy);
if ($share->getSharedBy() !== $share->getShareOwner()) {
$description .= " owned by " . $share->getShareOwner();
}
return $description;
} elseif ($mountPoint instanceof GroupMountPoint) {
return "groupfolder " . $mountPoint->getFolderId();
} elseif ($mountPoint instanceof ExternalMountPoint) {
return "external storage " . $mountPoint->getStorageConfig()->getId();
} elseif ($mountPoint instanceof CircleMount) {
return "circle";
}
return get_class($mountPoint);
}
public function formatShareType(IShare $share): ?string {
switch ($share->getShareType()) {
case IShare::TYPE_GROUP:
return "group";
case IShare::TYPE_CIRCLE:
return "circle";
case IShare::TYPE_DECK:
return "deck";
case IShare::TYPE_ROOM:
return "room";
case IShare::TYPE_USER:
return null;
default:
return "Unknown (" . $share->getShareType() . ")";
}
}
/**
* Print out the largest count($sizeLimits) files in the directory tree
*
* @param OutputInterface $output
* @param Folder $node
* @param string $prefix
* @param array $sizeLimits largest items that are still in the queue to be printed, ordered ascending
* @return int how many items we've printed
*/
public function outputLargeFilesTree(
OutputInterface $output,
Folder $node,
string $prefix,
array &$sizeLimits,
bool $all,
): int {
/**
* Algorithm to print the N largest items in a folder without requiring to query or sort the entire three
*
* This is done by keeping a list ($sizeLimits) of size N that contain the largest items outside of this
* folders that are could be printed if there aren't enough items in this folder that are larger.
*
* We loop over the items in this folder by size descending until the size of the item falls before the smallest
* size in $sizeLimits (at that point there are enough items outside this folder to complete the N items).
*
* When encountering a folder, we create an updated $sizeLimits with the largest items in the current folder still
* remaining which we pass into the recursion. (We don't update the current $sizeLimits because that should only
* hold items *outside* of the current folder.)
*
* For every item printed we remove the first item of $sizeLimits are there is no longer room in the output to print
* items that small.
*/
$count = 0;
$children = $node->getDirectoryListing();
usort($children, function (Node $a, Node $b) {
return $b->getSize() <=> $a->getSize();
});
foreach ($children as $i => $child) {
if (!$all) {
if (count($sizeLimits) === 0 || $child->getSize() < $sizeLimits[0]) {
return $count;
}
array_shift($sizeLimits);
}
$count += 1;
/** @var Node $child */
$output->writeln("$prefix- " . $child->getName() . ": <info>" . Util::humanFileSize($child->getSize()) . "</info>");
if ($child instanceof Folder) {
$recurseSizeLimits = $sizeLimits;
if (!$all) {
for ($j = 0; $j < count($recurseSizeLimits); $j++) {
if (isset($children[$i + $j + 1])) {
$nextChildSize = $children[$i + $j + 1]->getSize();
if ($nextChildSize > $recurseSizeLimits[0]) {
array_shift($recurseSizeLimits);
$recurseSizeLimits[] = $nextChildSize;
}
}
}
sort($recurseSizeLimits);
}
$recurseCount = $this->outputLargeFilesTree($output, $child, $prefix . " ", $recurseSizeLimits, $all);
$sizeLimits = array_slice($sizeLimits, $recurseCount);
$count += $recurseCount;
}
}
return $count;
}
}
|
