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400 lines
8.5 KiB
PHP
400 lines
8.5 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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namespace OC\Files;
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use OC\Files\Mount\HomeMountPoint;
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use OCA\Files_Sharing\External\Mount;
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use OCA\Files_Sharing\ISharedMountPoint;
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use OCP\Files\Cache\ICacheEntry;
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use OCP\Files\Mount\IMountPoint;
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use OCP\IUser;
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/**
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* @template-implements \ArrayAccess<string,mixed>
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*/
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class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
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private array|ICacheEntry $data;
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/**
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* @var string
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*/
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private $path;
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/**
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* @var \OC\Files\Storage\Storage $storage
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*/
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private $storage;
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/**
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* @var string
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*/
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private $internalPath;
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/**
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* @var \OCP\Files\Mount\IMountPoint
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*/
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private $mount;
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private ?IUser $owner;
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/**
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* @var string[]
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*/
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private array $childEtags = [];
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/**
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* @var IMountPoint[]
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*/
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private array $subMounts = [];
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private bool $subMountsUsed = false;
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/**
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* The size of the file/folder without any sub mount
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*/
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private int|float $rawSize = 0;
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/**
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* @param string|boolean $path
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* @param Storage\Storage $storage
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* @param string $internalPath
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* @param array|ICacheEntry $data
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* @param IMountPoint $mount
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* @param ?IUser $owner
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*/
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public function __construct($path, $storage, $internalPath, $data, $mount, $owner = null) {
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$this->path = $path;
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$this->storage = $storage;
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$this->internalPath = $internalPath;
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$this->data = $data;
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$this->mount = $mount;
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$this->owner = $owner;
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if (isset($this->data['unencrypted_size']) && $this->data['unencrypted_size'] !== 0) {
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$this->rawSize = $this->data['unencrypted_size'];
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} else {
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$this->rawSize = $this->data['size'] ?? 0;
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}
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}
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public function offsetSet($offset, $value): void {
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if (is_null($offset)) {
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throw new \TypeError('Null offset not supported');
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}
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$this->data[$offset] = $value;
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}
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public function offsetExists($offset): bool {
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return isset($this->data[$offset]);
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}
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public function offsetUnset($offset): void {
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unset($this->data[$offset]);
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}
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/**
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* @return mixed
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*/
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#[\ReturnTypeWillChange]
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public function offsetGet($offset) {
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return match ($offset) {
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'type' => $this->getType(),
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'etag' => $this->getEtag(),
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'size' => $this->getSize(),
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'mtime' => $this->getMTime(),
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'permissions' => $this->getPermissions(),
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default => $this->data[$offset] ?? null,
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};
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}
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/**
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* @return string
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*/
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public function getPath() {
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return $this->path;
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}
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public function getStorage() {
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return $this->storage;
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}
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/**
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* @return string
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*/
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public function getInternalPath() {
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return $this->internalPath;
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}
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/**
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* Get FileInfo ID or null in case of part file
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*
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* @return int|null
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*/
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public function getId() {
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return isset($this->data['fileid']) ? (int) $this->data['fileid'] : null;
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}
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/**
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* @return string
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*/
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public function getMimetype() {
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return $this->data['mimetype'];
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}
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/**
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* @return string
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*/
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public function getMimePart() {
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return $this->data['mimepart'];
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}
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/**
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* @return string
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*/
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public function getName() {
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return empty($this->data['name'])
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? basename($this->getPath())
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: $this->data['name'];
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}
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/**
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* @return string
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*/
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public function getEtag() {
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$this->updateEntryfromSubMounts();
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if (count($this->childEtags) > 0) {
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$combinedEtag = $this->data['etag'] . '::' . implode('::', $this->childEtags);
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return md5($combinedEtag);
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} else {
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return $this->data['etag'];
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}
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}
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/**
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* @param bool $includeMounts
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* @return int|float
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*/
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public function getSize($includeMounts = true) {
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if ($includeMounts) {
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$this->updateEntryfromSubMounts();
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if ($this->isEncrypted() && isset($this->data['unencrypted_size']) && $this->data['unencrypted_size'] > 0) {
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return $this->data['unencrypted_size'];
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} else {
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return isset($this->data['size']) ? 0 + $this->data['size'] : 0;
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}
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} else {
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return $this->rawSize;
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}
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}
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/**
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* @return int
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*/
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public function getMTime() {
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$this->updateEntryfromSubMounts();
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return (int) $this->data['mtime'];
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}
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/**
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* @return bool
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*/
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public function isEncrypted() {
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return $this->data['encrypted'] ?? false;
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}
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/**
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* Return the current version used for the HMAC in the encryption app
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*/
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public function getEncryptedVersion(): int {
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return isset($this->data['encryptedVersion']) ? (int) $this->data['encryptedVersion'] : 1;
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}
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/**
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* @return int
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*/
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public function getPermissions() {
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return (int) $this->data['permissions'];
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}
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/**
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* @return string \OCP\Files\FileInfo::TYPE_FILE|\OCP\Files\FileInfo::TYPE_FOLDER
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*/
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public function getType() {
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if (!isset($this->data['type'])) {
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$this->data['type'] = ($this->getMimetype() === self::MIMETYPE_FOLDER) ? self::TYPE_FOLDER : self::TYPE_FILE;
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}
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return $this->data['type'];
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}
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public function getData() {
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return $this->data;
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}
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/**
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* @param int $permissions
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* @return bool
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*/
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protected function checkPermissions($permissions) {
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return ($this->getPermissions() & $permissions) === $permissions;
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}
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/**
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* @return bool
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*/
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public function isReadable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_READ);
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}
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/**
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* @return bool
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*/
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public function isUpdateable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_UPDATE);
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}
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/**
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* Check whether new files or folders can be created inside this folder
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*
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* @return bool
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*/
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public function isCreatable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_CREATE);
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}
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/**
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* @return bool
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*/
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public function isDeletable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_DELETE);
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}
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/**
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* @return bool
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*/
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public function isShareable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_SHARE);
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}
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/**
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* Check if a file or folder is shared
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*
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* @return bool
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*/
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public function isShared() {
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return $this->mount instanceof ISharedMountPoint;
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}
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public function isMounted() {
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$isHome = $this->mount instanceof HomeMountPoint;
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return !$isHome && !$this->isShared();
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}
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/**
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* Get the mountpoint the file belongs to
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*
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* @return \OCP\Files\Mount\IMountPoint
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*/
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public function getMountPoint() {
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return $this->mount;
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}
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/**
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* Get the owner of the file
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*
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* @return ?IUser
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*/
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public function getOwner() {
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return $this->owner;
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}
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/**
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* @param IMountPoint[] $mounts
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*/
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public function setSubMounts(array $mounts) {
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$this->subMounts = $mounts;
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}
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private function updateEntryfromSubMounts(): void {
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if ($this->subMountsUsed) {
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return;
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}
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$this->subMountsUsed = true;
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foreach ($this->subMounts as $mount) {
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$subStorage = $mount->getStorage();
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if ($subStorage) {
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$subCache = $subStorage->getCache('');
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$rootEntry = $subCache->get('');
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$this->addSubEntry($rootEntry, $mount->getMountPoint());
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}
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}
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}
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/**
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* Add a cache entry which is the child of this folder
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*
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* Sets the size, etag and size to for cross-storage childs
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*
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* @param array|ICacheEntry $data cache entry for the child
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* @param string $entryPath full path of the child entry
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*/
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public function addSubEntry($data, $entryPath) {
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if (!$data) {
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return;
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}
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$hasUnencryptedSize = isset($data['unencrypted_size']) && $data['unencrypted_size'] > 0;
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if ($hasUnencryptedSize) {
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$subSize = $data['unencrypted_size'];
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} else {
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$subSize = $data['size'] ?: 0;
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}
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$this->data['size'] += $subSize;
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if ($hasUnencryptedSize) {
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$this->data['unencrypted_size'] += $subSize;
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}
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if (isset($data['mtime'])) {
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$this->data['mtime'] = max($this->data['mtime'], $data['mtime']);
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}
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if (isset($data['etag'])) {
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// prefix the etag with the relative path of the subentry to propagate etag on mount moves
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$relativeEntryPath = substr($entryPath, strlen($this->getPath()));
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// attach the permissions to propagate etag on permission changes of submounts
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$permissions = isset($data['permissions']) ? $data['permissions'] : 0;
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$this->childEtags[] = $relativeEntryPath . '/' . $data['etag'] . $permissions;
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}
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}
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/**
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* @inheritdoc
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*/
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public function getChecksum() {
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return $this->data['checksum'];
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}
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public function getExtension(): string {
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return pathinfo($this->getName(), PATHINFO_EXTENSION);
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}
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public function getCreationTime(): int {
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return (int) $this->data['creation_time'];
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}
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public function getUploadTime(): int {
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return (int) $this->data['upload_time'];
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}
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public function getParentId(): int {
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return $this->data['parent'] ?? -1;
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}
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/**
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* @inheritDoc
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* @return array<string, int|string|bool|float|string[]|int[]>
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*/
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public function getMetadata(): array {
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return $this->data['metadata'] ?? [];
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}
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}
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