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