| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InvalidClassException; |
| import java.io.ObjectInput; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectInputFilter; |
| import java.io.ObjectOutputStream; |
| import java.io.Serializable; |
| import java.rmi.MarshalledObject; |
| import java.util.Objects; |
| |
| |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| import org.testng.annotations.DataProvider; |
| |
| /* @test |
| * @run testng/othervm MOFilterTest |
| * |
| * @summary Test MarshalledObject applies ObjectInputFilter |
| */ |
| @Test |
| public class MOFilterTest { |
| |
| /** |
| * Two cases are tested. |
| * The filter = null and a filter set to verify the calls to the filter. |
| * @return array objects with test parameters for each test case |
| */ |
| @DataProvider(name = "FilterCases") |
| public static Object[][] filterCases() { |
| return new Object[][] { |
| {true}, // run the test with the filter |
| {false}, // run the test without the filter |
| |
| }; |
| } |
| |
| /** |
| * Test that MarshalledObject inherits the ObjectInputFilter from |
| * the stream it was deserialized from. |
| */ |
| @Test(dataProvider="FilterCases") |
| static void delegatesToMO(boolean withFilter) { |
| try { |
| Serializable testobj = Integer.valueOf(5); |
| MarshalledObject<Serializable> mo = new MarshalledObject<>(testobj); |
| Assert.assertEquals(mo.get(), testobj, "MarshalledObject.get returned a non-equals test object"); |
| |
| byte[] bytes = writeObjects(mo); |
| |
| try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes); |
| ObjectInputStream ois = new ObjectInputStream(bais)) { |
| |
| CountingFilter filter1 = new CountingFilter(); |
| ois.setObjectInputFilter(withFilter ? filter1 : null); |
| MarshalledObject<?> actualMO = (MarshalledObject<?>)ois.readObject(); |
| int count = filter1.getCount(); |
| |
| actualMO.get(); |
| int expectedCount = withFilter ? count + 2 : count; |
| int actualCount = filter1.getCount(); |
| Assert.assertEquals(actualCount, expectedCount, "filter called wrong number of times during get()"); |
| } |
| } catch (IOException ioe) { |
| Assert.fail("Unexpected IOException", ioe); |
| } catch (ClassNotFoundException cnf) { |
| Assert.fail("Deserializing", cnf); |
| } |
| } |
| |
| /** |
| * Write objects and return a byte array with the bytes. |
| * |
| * @param objects zero or more objects to serialize |
| * @return the byte array of the serialized objects |
| * @throws IOException if an exception occurs |
| */ |
| static byte[] writeObjects(Object... objects) throws IOException { |
| byte[] bytes; |
| try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream oos = new ObjectOutputStream(baos)) { |
| for (Object o : objects) { |
| oos.writeObject(o); |
| } |
| bytes = baos.toByteArray(); |
| } |
| return bytes; |
| } |
| |
| |
| static class CountingFilter implements ObjectInputFilter { |
| |
| private int count; // count of calls to the filter |
| |
| CountingFilter() { |
| count = 0; |
| } |
| |
| int getCount() { |
| return count; |
| } |
| |
| /** |
| * Filter that rejects class Integer and allows others |
| * |
| * @param filterInfo access to the class, arrayLength, etc. |
| * @return {@code STATUS.REJECTED} |
| */ |
| public ObjectInputFilter.Status checkInput(FilterInfo filterInfo) { |
| count++; |
| return ObjectInputFilter.Status.ALLOWED; |
| } |
| } |
| |
| } |