Delete useless function from deleted PR on GXCompressor class

Author: sgrampone

gxcompress/src/main/java/com/genexus/compression/GXCompressor.java

@@ -642,43 +642,29 @@ private static void decompress7z(File archive, String directory) throws IOExcept
 		}
 	}
 
-	private static boolean isPathTraversal(String dir, String fName) {
-		try {
-			Path path = Paths.get(dir).resolve(fName);
-			return !path.toAbsolutePath().equals(path.toRealPath());
-		}catch (Exception e){
-			return true;
-		}
-	}
 
 	private static void decompressTar(File archive, String directory) throws IOException {
 		byte[] buffer = new byte[BUFFER_SIZE];
 		try (TarArchiveInputStream tis = new TarArchiveInputStream(Files.newInputStream(archive.toPath()))) {
 			TarArchiveEntry entry;
 			while ((entry = tis.getNextEntry()) != null) {
-				if(isPathTraversal(directory, entry.getName()))
-				{
-					log.error(DIRECTORY_ATTACK + "{}", entry.getName());
-					return;
-				}else {
-					File newFile = new File(directory, entry.getName());
-					if (HasZipSlipVulnerability(newFile, directory)) {
-						throw new IOException("Bad tar entry: " + entry.getName());
+				File newFile = new File(directory, entry.getName());
+				if (HasZipSlipVulnerability(newFile, directory)) {
+					throw new IOException("Bad tar entry: " + entry.getName());
+				}
+				if (entry.isDirectory()) {
+					if (!newFile.isDirectory() && !newFile.mkdirs()) {
+						throw new IOException("Failed to create directory " + newFile);
 					}
-					if (entry.isDirectory()) {
-						if (!newFile.isDirectory() && !newFile.mkdirs()) {
-							throw new IOException("Failed to create directory " + newFile);
-						}
-					} else {
-						File parent = newFile.getParentFile();
-						if (!parent.isDirectory() && !parent.mkdirs()) {
-							throw new IOException("Failed to create directory " + parent);
-						}
-						try (OutputStream out = Files.newOutputStream(newFile.toPath())) {
-							int len;
-							while ((len = tis.read(buffer)) != -1) {
-								out.write(buffer, 0, len);
-							}
+				} else {
+					File parent = newFile.getParentFile();
+					if (!parent.isDirectory() && !parent.mkdirs()) {
+						throw new IOException("Failed to create directory " + parent);
+					}
+					try (OutputStream out = Files.newOutputStream(newFile.toPath())) {
+						int len;
+						while ((len = tis.read(buffer)) != -1) {
+							out.write(buffer, 0, len);
 						}
 					}
 				}