private void unzipPlugin(Path zip, Path target) throws IOException {
Files.createDirectories(target);
try (ZipInputStream zipInput = new ZipInputStream(Files.newInputStream(zip))) {
ZipEntry entry;
byte[] buffer = new byte[8192];
while ((entry = zipInput.getNextEntry()) != null) {
Path targetFile = target.resolve(entry.getName());
// be on the safe side: do not rely on that directories are always extracted
// before their children (although this makes sense, but is it guaranteed?)
Files.createDirectories(targetFile.getParent());
if (entry.isDirectory() == false) {
try (OutputStream out = Files.newOutputStream(targetFile)) {
int len;
while ((len = zipInput.read(buffer)) >= 0) {
out.write(buffer, 0, len);
}
}
}
zipInput.closeEntry();
}
}
}
private void copyBinDirectory(
Path sourcePluginBinDirectory,
Path destPluginBinDirectory,
String pluginName,
Terminal terminal)
throws IOException {
boolean canCopyFromSource =
Files.exists(sourcePluginBinDirectory)
&& Files.isReadable(sourcePluginBinDirectory)
&& Files.isDirectory(sourcePluginBinDirectory);
if (canCopyFromSource) {
terminal.println(VERBOSE, "Found bin, moving to %s", destPluginBinDirectory.toAbsolutePath());
if (Files.exists(destPluginBinDirectory)) {
IOUtils.rm(destPluginBinDirectory);
}
try {
Files.createDirectories(destPluginBinDirectory.getParent());
FileSystemUtils.move(sourcePluginBinDirectory, destPluginBinDirectory);
} catch (IOException e) {
throw new IOException(
"Could not move [" + sourcePluginBinDirectory + "] to [" + destPluginBinDirectory + "]",
e);
}
if (Environment.getFileStore(destPluginBinDirectory)
.supportsFileAttributeView(PosixFileAttributeView.class)) {
final PosixFileAttributes parentDirAttributes =
Files.getFileAttributeView(
destPluginBinDirectory.getParent(), PosixFileAttributeView.class)
.readAttributes();
// copy permissions from parent bin directory
final Set<PosixFilePermission> filePermissions = new HashSet<>();
for (PosixFilePermission posixFilePermission : parentDirAttributes.permissions()) {
switch (posixFilePermission) {
case OWNER_EXECUTE:
case GROUP_EXECUTE:
case OTHERS_EXECUTE:
break;
default:
filePermissions.add(posixFilePermission);
}
}
// add file execute permissions to existing perms, so execution will work.
filePermissions.add(PosixFilePermission.OWNER_EXECUTE);
filePermissions.add(PosixFilePermission.GROUP_EXECUTE);
filePermissions.add(PosixFilePermission.OTHERS_EXECUTE);
Files.walkFileTree(
destPluginBinDirectory,
new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
throws IOException {
if (attrs.isRegularFile()) {
setPosixFileAttributes(
file,
parentDirAttributes.owner(),
parentDirAttributes.group(),
filePermissions);
}
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
throws IOException {
setPosixFileAttributes(
dir,
parentDirAttributes.owner(),
parentDirAttributes.group(),
parentDirAttributes.permissions());
return FileVisitResult.CONTINUE;
}
});
} else {
terminal.println(
VERBOSE, "Skipping posix permissions - filestore doesn't support posix permission");
}
terminal.println(
VERBOSE, "Installed %s into %s", pluginName, destPluginBinDirectory.toAbsolutePath());
}
}