163 lines
4.0 KiB
PHP
163 lines
4.0 KiB
PHP
<?php
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/**
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* Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Licensed under the MIT license:
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* http://opensource.org/licenses/MIT
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*/
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namespace Icewind\SMB\Native;
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use Icewind\SMB\ACL;
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use Icewind\SMB\Exception\Exception;
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use Icewind\SMB\IFileInfo;
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class NativeFileInfo implements IFileInfo {
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/** @var string */
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protected $path;
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/** @var string */
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protected $name;
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/** @var NativeShare */
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protected $share;
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/** @var array{"mode": int, "size": int, "write_time": int}|null */
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protected $attributeCache = null;
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public function __construct(NativeShare $share, string $path, string $name) {
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$this->share = $share;
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$this->path = $path;
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$this->name = $name;
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}
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public function getPath(): string {
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return $this->path;
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}
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public function getName(): string {
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return $this->name;
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}
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/**
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* @return array{"mode": int, "size": int, "write_time": int}
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*/
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protected function stat(): array {
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if (is_null($this->attributeCache)) {
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$rawAttributes = explode(',', $this->share->getAttribute($this->path, 'system.dos_attr.*'));
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$attributes = [];
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foreach ($rawAttributes as $rawAttribute) {
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list($name, $value) = explode(':', $rawAttribute);
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$name = strtolower($name);
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if ($name == 'mode') {
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$attributes[$name] = (int)hexdec(substr($value, 2));
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} else {
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$attributes[$name] = (int)$value;
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}
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}
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if (!isset($attributes['mode'])) {
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throw new Exception("Invalid attribute response");
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}
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if (!isset($attributes['size'])) {
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throw new Exception("Invalid attribute response");
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}
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if (!isset($attributes['write_time'])) {
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throw new Exception("Invalid attribute response");
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}
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$this->attributeCache = $attributes;
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}
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return $this->attributeCache;
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}
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public function getSize(): int {
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$stat = $this->stat();
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return $stat['size'];
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}
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public function getMTime(): int {
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$stat = $this->stat();
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return $stat['write_time'];
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}
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/**
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* On "mode":
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*
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* different smbclient versions seem to return different mode values for 'system.dos_attr.mode'
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*
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* older versions return the dos permissions mask as defined in `IFileInfo::MODE_*` while
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* newer versions return the equivalent unix permission mask.
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*
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* Since the unix mask doesn't contain the proper hidden/archive/system flags we have to assume them
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* as false (except for `hidden` where we use the unix dotfile convention)
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*/
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protected function getMode(): int {
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$mode = $this->stat()['mode'];
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// Let us ignore the ATTR_NOT_CONTENT_INDEXED for now
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$mode &= ~0x00002000;
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return $mode;
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}
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public function isDirectory(): bool {
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$mode = $this->getMode();
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if ($mode > 0x1000) {
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return (bool)($mode & 0x4000); // 0x4000: unix directory flag
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} else {
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return (bool)($mode & IFileInfo::MODE_DIRECTORY);
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}
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}
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public function isReadOnly(): bool {
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$mode = $this->getMode();
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if ($mode > 0x1000) {
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return !(bool)($mode & 0x80); // 0x80: owner write permissions
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} else {
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return (bool)($mode & IFileInfo::MODE_READONLY);
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}
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}
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public function isHidden(): bool {
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$mode = $this->getMode();
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if ($mode > 0x1000) {
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return strlen($this->name) > 0 && $this->name[0] === '.';
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} else {
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return (bool)($mode & IFileInfo::MODE_HIDDEN);
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}
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}
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public function isSystem(): bool {
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$mode = $this->getMode();
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if ($mode > 0x1000) {
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return false;
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} else {
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return (bool)($mode & IFileInfo::MODE_SYSTEM);
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}
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}
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public function isArchived(): bool {
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$mode = $this->getMode();
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if ($mode > 0x1000) {
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return false;
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} else {
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return (bool)($mode & IFileInfo::MODE_ARCHIVE);
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}
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}
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/**
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* @return ACL[]
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*/
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public function getAcls(): array {
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$acls = [];
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$attribute = $this->share->getAttribute($this->path, 'system.nt_sec_desc.acl.*+');
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foreach (explode(',', $attribute) as $acl) {
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list($user, $permissions) = explode(':', $acl, 2);
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$user = trim($user, '\\');
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list($type, $flags, $mask) = explode('/', $permissions);
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$mask = hexdec($mask);
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$acls[$user] = new ACL((int)$type, (int)$flags, (int)$mask);
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}
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return $acls;
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}
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}
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