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- <?php
- namespace OC\Files\Node;
- use OC\Files\Filesystem;
- use OC\Files\Mount\MoveableMount;
- use OC\Files\Utils\PathHelper;
- use OCP\EventDispatcher\GenericEvent;
- use OCP\EventDispatcher\IEventDispatcher;
- use OCP\Files\FileInfo;
- use OCP\Files\InvalidPathException;
- use OCP\Files\IRootFolder;
- use OCP\Files\Node as INode;
- use OCP\Files\NotFoundException;
- use OCP\Files\NotPermittedException;
- use OCP\Lock\LockedException;
- use OCP\PreConditionNotMetException;
- class Node implements INode {
-
- protected $view;
- protected IRootFolder $root;
-
- protected $path;
- protected ?FileInfo $fileInfo;
- protected ?INode $parent;
- private bool $infoHasSubMountsIncluded;
-
- public function __construct(IRootFolder $root, $view, $path, $fileInfo = null, ?INode $parent = null, bool $infoHasSubMountsIncluded = true) {
- if (Filesystem::normalizePath($view->getRoot()) !== '/') {
- throw new PreConditionNotMetException('The view passed to the node should not have any fake root set');
- }
- $this->view = $view;
- $this->root = $root;
- $this->path = $path;
- $this->fileInfo = $fileInfo;
- $this->parent = $parent;
- $this->infoHasSubMountsIncluded = $infoHasSubMountsIncluded;
- }
-
- protected function createNonExistingNode($path) {
- throw new \Exception('Must be implemented by subclasses');
- }
-
- public function getFileInfo(bool $includeMountPoint = true) {
- if (!$this->fileInfo) {
- if (!Filesystem::isValidPath($this->path)) {
- throw new InvalidPathException();
- }
- $fileInfo = $this->view->getFileInfo($this->path, $includeMountPoint);
- $this->infoHasSubMountsIncluded = $includeMountPoint;
- if ($fileInfo instanceof FileInfo) {
- $this->fileInfo = $fileInfo;
- } else {
- throw new NotFoundException();
- }
- } elseif ($includeMountPoint && !$this->infoHasSubMountsIncluded && $this instanceof Folder) {
- if ($this->fileInfo instanceof \OC\Files\FileInfo) {
- $this->view->addSubMounts($this->fileInfo);
- }
- $this->infoHasSubMountsIncluded = true;
- }
- return $this->fileInfo;
- }
-
- protected function sendHooks($hooks, ?array $args = null) {
- $args = !empty($args) ? $args : [$this];
-
- $dispatcher = \OC::$server->get(IEventDispatcher::class);
- foreach ($hooks as $hook) {
- if (method_exists($this->root, 'emit')) {
- $this->root->emit('\OC\Files', $hook, $args);
- }
- if (in_array($hook, ['preWrite', 'postWrite', 'preCreate', 'postCreate', 'preTouch', 'postTouch', 'preDelete', 'postDelete'], true)) {
- $event = new GenericEvent($args[0]);
- } else {
- $event = new GenericEvent($args);
- }
- $dispatcher->dispatch('\OCP\Files::' . $hook, $event);
- }
- }
-
- protected function checkPermissions($permissions) {
- return ($this->getPermissions() & $permissions) === $permissions;
- }
- public function delete() {
- }
-
- public function touch($mtime = null) {
- if ($this->checkPermissions(\OCP\Constants::PERMISSION_UPDATE)) {
- $this->sendHooks(['preTouch']);
- $this->view->touch($this->path, $mtime);
- $this->sendHooks(['postTouch']);
- if ($this->fileInfo) {
- if (is_null($mtime)) {
- $mtime = time();
- }
- $this->fileInfo['mtime'] = $mtime;
- }
- } else {
- throw new NotPermittedException();
- }
- }
- public function getStorage() {
- $storage = $this->getMountPoint()->getStorage();
- if (!$storage) {
- throw new \Exception('No storage for node');
- }
- return $storage;
- }
-
- public function getPath() {
- return $this->path;
- }
-
- public function getInternalPath() {
- return $this->getFileInfo(false)->getInternalPath();
- }
-
- public function getId() {
- return $this->getFileInfo(false)->getId() ?? -1;
- }
-
- public function stat() {
- return $this->view->stat($this->path);
- }
-
- public function getMTime() {
- return $this->getFileInfo()->getMTime();
- }
-
- public function getSize($includeMounts = true): int|float {
- return $this->getFileInfo()->getSize($includeMounts);
- }
-
- public function getEtag() {
- return $this->getFileInfo()->getEtag();
- }
-
- public function getPermissions() {
- return $this->getFileInfo(false)->getPermissions();
- }
-
- public function isReadable() {
- return $this->getFileInfo(false)->isReadable();
- }
-
- public function isUpdateable() {
- return $this->getFileInfo(false)->isUpdateable();
- }
-
- public function isDeletable() {
- return $this->getFileInfo(false)->isDeletable();
- }
-
- public function isShareable() {
- return $this->getFileInfo(false)->isShareable();
- }
-
- public function isCreatable() {
- return $this->getFileInfo(false)->isCreatable();
- }
- public function getParent(): INode|IRootFolder {
- if ($this->parent === null) {
- $newPath = dirname($this->path);
- if ($newPath === '' || $newPath === '.' || $newPath === '/') {
- return $this->root;
- }
-
- try {
- $fileInfo = $this->getFileInfo();
- } catch (NotFoundException) {
- $this->parent = $this->root->get($newPath);
-
- return $this->parent;
- }
-
- $parentData = [
- 'path' => $newPath,
- 'fileid' => $fileInfo->getParentId(),
- ];
-
- $this->parent = new LazyFolder($this->root, function () use ($newPath) {
- return $this->root->get($newPath);
- }, $parentData);
- }
- return $this->parent;
- }
-
- public function getName() {
- return basename($this->path);
- }
-
- protected function normalizePath($path) {
- return PathHelper::normalizePath($path);
- }
-
- public function isValidPath($path) {
- return Filesystem::isValidPath($path);
- }
- public function isMounted() {
- return $this->getFileInfo(false)->isMounted();
- }
- public function isShared() {
- return $this->getFileInfo(false)->isShared();
- }
- public function getMimeType() {
- return $this->getFileInfo(false)->getMimetype();
- }
- public function getMimePart() {
- return $this->getFileInfo(false)->getMimePart();
- }
- public function getType() {
- return $this->getFileInfo(false)->getType();
- }
- public function isEncrypted() {
- return $this->getFileInfo(false)->isEncrypted();
- }
- public function getMountPoint() {
- return $this->getFileInfo(false)->getMountPoint();
- }
- public function getOwner() {
- return $this->getFileInfo(false)->getOwner();
- }
- public function getChecksum() {
- }
- public function getExtension(): string {
- return $this->getFileInfo(false)->getExtension();
- }
-
- public function lock($type) {
- $this->view->lockFile($this->path, $type);
- }
-
- public function changeLock($type) {
- $this->view->changeLock($this->path, $type);
- }
-
- public function unlock($type) {
- $this->view->unlockFile($this->path, $type);
- }
-
- public function copy($targetPath) {
- $targetPath = $this->normalizePath($targetPath);
- $parent = $this->root->get(dirname($targetPath));
- if ($parent instanceof Folder and $this->isValidPath($targetPath) and $parent->isCreatable()) {
- $nonExisting = $this->createNonExistingNode($targetPath);
- $this->sendHooks(['preCopy'], [$this, $nonExisting]);
- $this->sendHooks(['preWrite'], [$nonExisting]);
- if (!$this->view->copy($this->path, $targetPath)) {
- throw new NotPermittedException('Could not copy ' . $this->path . ' to ' . $targetPath);
- }
- $targetNode = $this->root->get($targetPath);
- $this->sendHooks(['postCopy'], [$this, $targetNode]);
- $this->sendHooks(['postWrite'], [$targetNode]);
- return $targetNode;
- } else {
- throw new NotPermittedException('No permission to copy to path ' . $targetPath);
- }
- }
-
- public function move($targetPath) {
- $targetPath = $this->normalizePath($targetPath);
- $parent = $this->root->get(dirname($targetPath));
- if (
- ($parent instanceof Folder)
- && $this->isValidPath($targetPath)
- && (
- $parent->isCreatable()
- || (
- $parent->getInternalPath() === ''
- && ($parent->getMountPoint() instanceof MoveableMount)
- )
- )
- ) {
- $nonExisting = $this->createNonExistingNode($targetPath);
- $this->sendHooks(['preRename'], [$this, $nonExisting]);
- $this->sendHooks(['preWrite'], [$nonExisting]);
- if (!$this->view->rename($this->path, $targetPath)) {
- throw new NotPermittedException('Could not move ' . $this->path . ' to ' . $targetPath);
- }
- $mountPoint = $this->getMountPoint();
- if ($mountPoint) {
-
-
- $oldFileInfo = $this->getFileInfo();
- $this->fileInfo = new \OC\Files\FileInfo($targetPath, $oldFileInfo->getStorage(), $mountPoint->getInternalPath($targetPath), $oldFileInfo->getData(), $mountPoint, $oldFileInfo->getOwner());
- }
- $targetNode = $this->root->get($targetPath);
- $this->sendHooks(['postRename'], [$this, $targetNode]);
- $this->sendHooks(['postWrite'], [$targetNode]);
- $this->path = $targetPath;
- return $targetNode;
- } else {
- throw new NotPermittedException('No permission to move to path ' . $targetPath);
- }
- }
- public function getCreationTime(): int {
- return $this->getFileInfo()->getCreationTime();
- }
- public function getUploadTime(): int {
- return $this->getFileInfo()->getUploadTime();
- }
- public function getParentId(): int {
- return $this->fileInfo->getParentId();
- }
-
- public function getMetadata(): array {
- return $this->fileInfo->getMetadata();
- }
- }
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