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fixed archive posix

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This commit is contained in:
Radek Davidek 2026-05-19 14:36:04 +02:00
parent 883572ea5c
commit aeef004664
1 changed files with 28 additions and 5 deletions
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33
src/main/java/cz/kamma/kfmanager/service/FileOperations.java
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@ -160,10 +160,7 @@ public class FileOperations {
}
target.setLastModified(source.lastModified());
// Simple permission sync if possible
if (source.canExecute()) target.setExecutable(true);
if (source.canRead()) target.setReadable(true);
if (source.canWrite()) target.setWritable(true);
copyPermissions(source, target);
}
private static void copyDirectory(File source, File target, long totalItems, final long[] currentItem, ProgressCallback callback, final OverwriteResponse[] globalResponse) throws IOException {
@ -211,6 +208,25 @@ public class FileOperations {
}
}
}
target.setLastModified(source.lastModified());
copyPermissions(source, target);
}
private static void copyPermissions(File source, File target) {
if (source == null || target == null || !source.exists() || !target.exists()) return;
if (FileSystems.getDefault().supportedFileAttributeViews().contains("posix")) {
try {
Set<PosixFilePermission> permissions = Files.getPosixFilePermissions(source.toPath());
Files.setPosixFilePermissions(target.toPath(), permissions);
return;
} catch (Exception ignore) {
// Best effort; fall back to java.io.File below.
}
}
target.setReadable(source.canRead(), false);
target.setWritable(source.canWrite(), false);
target.setExecutable(source.canExecute(), false);
}
private static void deleteDirectoryInternal(File path) throws IOException {
@ -1462,12 +1478,16 @@ public class FileOperations {
}
try (org.apache.commons.compress.archivers.tar.TarArchiveInputStream tais = new org.apache.commons.compress.archivers.tar.TarArchiveInputStream(is)) {
org.apache.commons.compress.archivers.tar.TarArchiveEntry entry;
java.util.Map<File, Integer> directoryModes = new java.util.LinkedHashMap<>();
// Tar doesn't easily give total count without pre-scanning
while ((entry = tais.getNextTarEntry()) != null) {
if (callback != null && callback.isCancelled()) break;
File targetFile = new File(targetDir, entry.getName());
if (entry.isDirectory()) {
targetFile.mkdirs();
if (entry.getMode() > 0) {
directoryModes.put(targetFile, entry.getMode());
}
} else {
targetFile.getParentFile().mkdirs();
try (OutputStream out = new BufferedOutputStream(new FileOutputStream(targetFile), 65536)) {
@ -1481,7 +1501,7 @@ public class FileOperations {
// Preserve permissions for Linux/Unix
int mode = entry.getMode();
if (mode > 0) {
if (mode > 0 && !entry.isDirectory()) {
// For TAR entries, if high bits are set (directory/file type info),
// we ensure we are looking at the standard permission bits.
applyPosixPermissions(targetFile, mode);
@ -1491,6 +1511,9 @@ public class FileOperations {
callback.onProgress(0, 0, entry.getName()); // 0/0 because we don't know total
}
}
for (java.util.Map.Entry<File, Integer> directoryMode : directoryModes.entrySet()) {
applyPosixPermissions(directoryMode.getKey(), directoryMode.getValue());
}
}
}