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nextcloud_server/core/Command/Info/FileUtils.php
Robin Appelman cfc4196038 feat: add mount id to info:storage(s)
Signed-off-by: Robin Appelman <robin@icewind.nl>
2025-05-15 11:49:09 +02:00

325 lines
10 KiB
PHP

<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Core\Command\Info;
use OC\User\NoUserException;
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\DB\QueryBuilder\IQueryBuilder;
use OCP\Files\Config\IUserMountCache;
use OCP\Files\FileInfo;
use OCP\Files\Folder;
use OCP\Files\IHomeStorage;
use OCP\Files\IRootFolder;
use OCP\Files\Mount\IMountPoint;
use OCP\Files\Node;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\IDBConnection;
use OCP\Share\IShare;
use OCP\Util;
use Symfony\Component\Console\Output\OutputInterface;
/**
* @psalm-type StorageInfo array{numeric_id: int, id: string, available: bool, last_checked: ?\DateTime, files: int, mount_id: ?int}
*/
class FileUtils {
public function __construct(
private IRootFolder $rootFolder,
private IUserMountCache $userMountCache,
private IDBConnection $connection,
) {
}
/**
* @param FileInfo $file
* @return array<string, Node[]>
* @throws NotPermittedException
* @throws NoUserException
*/
public function getFilesByUser(FileInfo $file): array {
$id = $file->getId();
if (!$id) {
return [];
}
$mounts = $this->userMountCache->getMountsForFileId($id);
$result = [];
foreach ($mounts as $cachedMount) {
$mount = $this->rootFolder->getMount($cachedMount->getMountPoint());
$cache = $mount->getStorage()->getCache();
$cacheEntry = $cache->get($id);
$node = $this->rootFolder->getNodeFromCacheEntryAndMount($cacheEntry, $mount);
$result[$cachedMount->getUser()->getUID()][] = $node;
}
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;
}
$mount = reset($mounts);
$userFolder = $this->rootFolder->getUserFolder($mount->getUser()->getUID());
return $userFolder->getFirstNodeById((int)$fileInput);
} 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;
}
public function getNumericStorageId(string $id): ?int {
if (is_numeric($id)) {
return (int)$id;
}
$query = $this->connection->getQueryBuilder();
$query->select('numeric_id')
->from('storages')
->where($query->expr()->eq('id', $query->createNamedParameter($id)));
$result = $query->executeQuery()->fetchOne();
return $result ? (int)$result : null;
}
/**
* @param int|null $limit
* @return ?StorageInfo
* @throws \OCP\DB\Exception
*/
public function getStorage(int $id): ?array {
$query = $this->connection->getQueryBuilder();
$query->select('numeric_id', 's.id', 'available', 'last_checked', 'mount_id')
->selectAlias($query->func()->count('fileid'), 'files')
->from('storages', 's')
->innerJoin('s', 'filecache', 'f', $query->expr()->eq('f.storage', 's.numeric_id'))
->leftJoin('s', 'mounts', 'm', $query->expr()->eq('s.numeric_id', 'm.storage_id'))
->where($query->expr()->eq('s.numeric_id', $query->createNamedParameter($id, IQueryBuilder::PARAM_INT)))
->groupBy('s.numeric_id', 's.id', 's.available', 's.last_checked', 'mount_id');
$row = $query->executeQuery()->fetch();
if ($row) {
return [
'numeric_id' => $row['numeric_id'],
'id' => $row['id'],
'files' => $row['files'],
'available' => (bool)$row['available'],
'last_checked' => $row['last_checked'] ? new \DateTime('@' . $row['last_checked']) : null,
'mount_id' => $row['mount_id'],
];
} else {
return null;
}
}
/**
* @param int|null $limit
* @return \Iterator<StorageInfo>
* @throws \OCP\DB\Exception
*/
public function listStorages(?int $limit): \Iterator {
$query = $this->connection->getQueryBuilder();
$query->select('numeric_id', 's.id', 'available', 'last_checked', 'mount_id')
->selectAlias($query->func()->count('fileid'), 'files')
->from('storages', 's')
->innerJoin('s', 'filecache', 'f', $query->expr()->eq('f.storage', 's.numeric_id'))
->leftJoin('s', 'mounts', 'm', $query->expr()->eq('s.numeric_id', 'm.storage_id'))
->groupBy('s.numeric_id', 's.id', 's.available', 's.last_checked', 'mount_id')
->orderBy('files', 'DESC');
if ($limit !== null) {
$query->setMaxResults($limit);
}
$result = $query->executeQuery();
while ($row = $result->fetch()) {
yield [
'numeric_id' => $row['numeric_id'],
'id' => $row['id'],
'files' => $row['files'],
'available' => (bool)$row['available'],
'last_checked' => $row['last_checked'] ? new \DateTime('@' . $row['last_checked']) : null,
'mount_id' => $row['mount_id'],
];
}
}
/**
* @param StorageInfo $storage
* @return array
*/
public function formatStorage(array $storage): array {
return [
'numeric_id' => $storage['numeric_id'],
'id' => $storage['id'],
'files' => $storage['files'],
'available' => $storage['available'] ? 'true' : 'false',
'last_checked' => $storage['last_checked']?->format(\DATE_ATOM),
'external_mount_id' => $storage['mount_id'],
];
}
/**
* @param \Iterator<StorageInfo> $storages
* @return \Iterator
*/
public function formatStorages(\Iterator $storages): \Iterator {
foreach ($storages as $storage) {
yield $this->formatStorage($storage);
}
}
}