107 lines
3.5 KiB
PHP
107 lines
3.5 KiB
PHP
<?php
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namespace OCA\GroupfolderFilesystemSnapshots\Manager;
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use OCP\IConfig;
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use OCP\Files\IRootFolder;
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use OCA\GroupFolders\Folder\FolderManager;
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use OCA\GroupFolders\Mount\MountProvider;
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class PathManager {
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private IConfig $config;
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private IRootFolder $rootFolder;
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private FolderManager $groupfolderFolderManager;
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/** @var MountProvider */
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protected $mountProvider;
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const FILESYSTEM_ROOT_PATH = "/srv/nextcloud/files/";
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const FILESYSTEM_SNAPSHOT_PATH = "/srv/nextcloud/files/.zfs/snapshot/";
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public function __construct(
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IConfig $config,
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IRootFolder $rootFolder,
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FolderManager $manager,
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MountProvider $mountProvider,
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){
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$this->config = $config;
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$this->groupfolderFolderManager = $manager;
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$this->rootFolder = $rootFolder;
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$this->mountProvider = $mountProvider;
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}
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public function getFilesystemSnapshotPath() {
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return self::FILESYSTEM_SNAPSHOT_PATH;
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}
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// Nextcloud general
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public function getDataDirectory() {
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return $this->config->getSystemValue("datadirectory");
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}
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private function getRootFolderStorageId(): ?int {
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return $this->rootFolder->getMountPoint()->getNumericStorageId();
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}
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// Snapshots
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public function getSnapshotPath(string $snapshotId) {
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return realpath(self::FILESYSTEM_SNAPSHOT_PATH . DIRECTORY_SEPARATOR . $snapshotId . DIRECTORY_SEPARATOR);
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}
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public function convertToSnapshotPath(string $filesystemPath, string $snapshotId) {
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$filesystemPath = realpath($filesystemPath);
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if(!str_starts_with($filesystemPath, self::FILESYSTEM_ROOT_PATH)) {
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return false;
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}
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return str_replace(self::FILESYSTEM_ROOT_PATH, $this->getSnapshotPath($snapshotId) . DIRECTORY_SEPARATOR, $filesystemPath);
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}
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// Groupfolders
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public function getGroupfolderById(int $groupfolderId) {
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$storageId = $this->getRootFolderStorageId();
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if (!is_null($storageId)) {
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return $this->groupfolderFolderManager->getFolder($groupfolderId, $storageId);
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}
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}
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public function getGroupfolderMountById(int $groupfolderId) {
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return $this->mountProvider->getFolder($groupfolderId, False);
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}
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private function checkIfGroupfolderExists(int $groupfolderId): bool {
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$storageId = $this->getRootFolderStorageId();
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if ($storageId === null) {
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return "storage Id null";
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}
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$folder = $this->groupfolderFolderManager->getFolder($groupfolderId, $storageId);
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if ($folder === false) {
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return "Folder does not exist";
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}
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return true;
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}
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public function getGroupFolderDirectory(int $groupfolderId, string $relativePath) {
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$groupFolder = $this->getGroupfolderMountById($groupfolderId);
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$relativeToDataDirectoryPath = $groupFolder->get($relativePath)->getInternalPath();
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$minPath = realpath($this->getDataDirectory() . DIRECTORY_SEPARATOR . $groupFolder->getInternalPath() . DIRECTORY_SEPARATOR);
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$realPath = realpath($this->getDataDirectory() . DIRECTORY_SEPARATOR . $relativeToDataDirectoryPath . DIRECTORY_SEPARATOR);
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// Data directory and groupfolder directory have to actually exist
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if(!file_exists($minPath) || !file_exists($realPath)) {
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return false;
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}
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// the group subfolder directory always has to start with the groupfolder directory
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// prevents usage of ".." in relativePath to escape out of groupfolder or even data directory
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if(!str_starts_with($realPath, $minPath)) {
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return false;
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}
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return $realPath;
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}
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public function getGroupFolderSnapshotDirectory(int $groupfolderId, string $relativePath, string $snapshotId) {
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return $this->convertToSnapshotPath($this->getGroupFolderDirectory($groupfolderId, $relativePath), $snapshotId);
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}
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} |