Issue #5451 - Removing file/dir permission management from codebase

Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>

jetty-http/src/main/java/org/eclipse/jetty/http/MultiPartFormInputStream.java

@@ -42,7 +42,6 @@ import javax.servlet.http.Part;
 
 import org.eclipse.jetty.util.BufferUtil;
 import org.eclipse.jetty.util.ByteArrayOutputStream2;
-import org.eclipse.jetty.util.IO;
 import org.eclipse.jetty.util.LazyList;
 import org.eclipse.jetty.util.MultiException;
 import org.eclipse.jetty.util.MultiMap;
@@ -153,7 +152,7 @@ public class MultiPartFormInputStream
         protected void createFile() throws IOException
         {
             Path parent = MultiPartFormInputStream.this._tmpDir.toPath();
-            Path tempFile = Files.createTempFile(parent, "MultiPart", "", IO.getUserOnlyFileAttribute(parent));
+            Path tempFile = Files.createTempFile(parent, "MultiPart", "");
             _file = tempFile.toFile();
 
             OutputStream fos = Files.newOutputStream(tempFile, StandardOpenOption.WRITE);

jetty-util/src/main/java/org/eclipse/jetty/util/IO.java

@@ -34,16 +34,8 @@ import java.io.Writer;
 import java.nio.ByteBuffer;
 import java.nio.channels.GatheringByteChannel;
 import java.nio.charset.Charset;
-import java.nio.file.FileStore;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.attribute.DosFileAttributeView;
-import java.nio.file.attribute.FileAttribute;
-import java.nio.file.attribute.PosixFileAttributeView;
-import java.nio.file.attribute.PosixFilePermission;
-import java.nio.file.attribute.PosixFilePermissions;
-import java.util.HashSet;
-import java.util.Objects;
 
 import org.eclipse.jetty.util.log.Log;
 import org.eclipse.jetty.util.log.Logger;
@@ -57,24 +49,6 @@ public class IO
 {
     private static final Logger LOG = Log.getLogger(IO.class);
 
-    private static final FileAttribute<?>[] NO_FILE_ATTRIBUTES = new FileAttribute[0];
-    private static final FileAttribute<?>[] USER_ONLY_POSIX_FILE_ATTRIBUTES =
-        new FileAttribute[]{
-            PosixFilePermissions.asFileAttribute(
-                new HashSet<PosixFilePermission>()
-                {
-                    {
-                        add(PosixFilePermission.OWNER_EXECUTE);
-                        add(PosixFilePermission.OWNER_READ);
-                        add(PosixFilePermission.OWNER_WRITE);
-                        // we don't add GROUP or OTHER write perms here.
-                        add(PosixFilePermission.GROUP_READ);
-                        add(PosixFilePermission.OTHERS_READ);
-                    }
-                }
-            )
-        };
-
     public static final String
         CRLF = "\r\n";
 
@@ -462,58 +436,6 @@ public class IO
         close((Closeable)writer);
     }
 
-    /**
-     * Get the array of {@link FileAttribute} values for the provided path
-     * that will set the path to Full Read/Write for the user running Jetty,
-     * but Readonly for other users.
-     * <p>
-     * For Unix, that's means {@link java.nio.file.attribute.PosixFileAttributes}
-     * where the World and Other groups have their read / write flags removed.
-     * </p>
-     * <p>
-     * For Windows / Dos, that means {@link java.nio.file.attribute.DosFileAttributes}
-     * </p>
-     */
-    public static FileAttribute<?>[] getUserOnlyFileAttribute(Path path)
-    {
-        FileStore fileStore = null;
-        try
-        {
-            // Obtain a reference to the FileStore to know what kind of read-only we are capable of.
-            fileStore = Files.getFileStore(Objects.requireNonNull(path));
-
-            if (fileStore == null)
-            {
-                // Not on a properly implemented FileStore (seen with 3rd party FileStore implementations)
-                // We cannot do anything in this case, so just return.
-                return NO_FILE_ATTRIBUTES;
-            }
-
-            if (fileStore.supportsFileAttributeView(DosFileAttributeView.class))
-            {
-                // We are on a Windows / DOS filesystem.
-                // It might support ACL, but we don't attempt to support that here.
-                return NO_FILE_ATTRIBUTES;
-            }
-
-            if (fileStore.supportsFileAttributeView(PosixFileAttributeView.class))
-            {
-                // We are on a Unix / Linux / OSX system
-                return USER_ONLY_POSIX_FILE_ATTRIBUTES;
-            }
-
-            // If we reached this point, we have a Path on a FileSystem / FileStore that we cannot control.
-            // So skip the attempt to set readable.
-        }
-        catch (IOException e)
-        {
-            if (LOG.isDebugEnabled())
-                LOG.debug("Unable to determine attribute types on path: {}", path, e);
-        }
-
-        return NO_FILE_ATTRIBUTES;
-    }
-
     public static byte[] readBytes(InputStream in)
         throws IOException
     {

jetty-util/src/main/java/org/eclipse/jetty/util/MultiPartInputStreamParser.java

@@ -191,7 +191,7 @@ public class MultiPartInputStreamParser
             throws IOException
         {
             Path parent = MultiPartInputStreamParser.this._tmpDir.toPath();
-            Path tempFile = Files.createTempFile(parent, "MultiPart", "", IO.getUserOnlyFileAttribute(parent));
+            Path tempFile = Files.createTempFile(parent, "MultiPart", "");
             _file = tempFile.toFile();
 
             OutputStream fos = Files.newOutputStream(tempFile, StandardOpenOption.WRITE);