fix get dos attr

src/Native/NativeFileInfo.php

@@ -83,8 +83,9 @@ public function getMTime(): int {
 	 * 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)
+	 * unix mask contain the proper hidden/archive/system flags with transfer.
+	 * hidden -> o+x, archive -> u+x, system -> g+x, 
+	 * refer: https://gitlab.com/samba-team/samba/-/blob/84b5440eb4f3c10e2729e916d097f5af07150dcd/source3/libsmb/libsmb_stat.c#L67
 	 */
 
 	protected function getMode(): int {
@@ -117,7 +118,7 @@ public function isReadOnly(): bool {
 	public function isHidden(): bool {
 		$mode = $this->getMode();
 		if ($mode > 0x1000) {
-			return strlen($this->name) > 0 && $this->name[0] === '.';
+			return (bool)($mode & 0x1); // 0x01: hidden -> o+x
 		} else {
 			return (bool)($mode & IFileInfo::MODE_HIDDEN);
 		}
@@ -126,7 +127,7 @@ public function isHidden(): bool {
 	public function isSystem(): bool {
 		$mode = $this->getMode();
 		if ($mode > 0x1000) {
-			return false;
+			return (bool)($mode & 0x8); // 0x08: system -> g+x
 		} else {
 			return (bool)($mode & IFileInfo::MODE_SYSTEM);
 		}
@@ -135,7 +136,7 @@ public function isSystem(): bool {
 	public function isArchived(): bool {
 		$mode = $this->getMode();
 		if ($mode > 0x1000) {
-			return false;
+			return (bool)($mode & 0x40); // 0x40: archive -> u+x
 		} else {
 			return (bool)($mode & IFileInfo::MODE_ARCHIVE);
 		}