| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package freemarker.ext.beans; |
| |
| import static org.junit.Assert.*; |
| |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| import java.net.URL; |
| import java.security.ProtectionDomain; |
| import java.util.Arrays; |
| |
| import org.junit.Test; |
| |
| import freemarker.template.Configuration; |
| |
| public class DefaultMemberAccessPolicyTest { |
| |
| private static final DefaultMemberAccessPolicy POLICY = DefaultMemberAccessPolicy.getInstance(Configuration.VERSION_2_3_30); |
| |
| @Test |
| public void testWhitelistRuleWithNoMembers() throws NoSuchMethodException { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(ProtectionDomain.class); |
| assertFalse(classPolicy.isMethodExposed(ProtectionDomain.class.getMethod("getClassLoader"))); |
| } |
| |
| @Test |
| public void testWhitelistRuleWithSomeMembers() throws NoSuchMethodException { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(URL.class); |
| assertFalse(classPolicy.isMethodExposed(URL.class.getMethod("openStream"))); |
| assertFalse(classPolicy.isMethodExposed(URL.class.getMethod("getContent", Class[].class))); |
| assertTrue(classPolicy.isMethodExposed(URL.class.getMethod("getHost"))); |
| assertTrue(classPolicy.isMethodExposed(URL.class.getMethod("sameFile", URL.class))); |
| } |
| |
| @Test |
| public void testWhitelistRuleOnSubclass() throws NoSuchMethodException { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(CustomClassLoader.class); |
| assertFalse(classPolicy.isMethodExposed(CustomClassLoader.class.getMethod("loadClass", String.class))); |
| assertFalse(classPolicy.isMethodExposed(CustomClassLoader.class.getMethod("m1"))); |
| } |
| |
| @Test |
| public void testBlacklistUnlistedRule() throws NoSuchMethodException { |
| for (Class<?> testedClass : Arrays.asList( |
| Object.class, Thread.class, ThreadSubclass.class, ProtectionDomain.class, CustomClassLoader.class, |
| UserClass.class)) { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(testedClass); |
| assertFalse(classPolicy.isMethodExposed(testedClass.getMethod("wait"))); |
| assertTrue(testedClass.getName(), classPolicy.isMethodExposed(testedClass.getMethod("toString"))); |
| } |
| |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(UserClass.class); |
| assertTrue(classPolicy.isMethodExposed(UserClass.class.getMethod("foo"))); |
| } |
| |
| @Test |
| public void testBlacklistUnlistedRuleOnSubclass() throws NoSuchMethodException { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(ThreadSubclass.class); |
| assertFalse(classPolicy.isMethodExposed(ThreadSubclass.class.getMethod("run"))); |
| assertTrue(classPolicy.isMethodExposed(ThreadSubclass.class.getMethod("getName"))); |
| assertTrue(classPolicy.isMethodExposed(ThreadSubclass.class.getMethod("m1"))); |
| } |
| |
| @Test |
| public void testToString() throws NoSuchMethodException { |
| assertTrue(POLICY.isToStringAlwaysExposed()); |
| assertTrue(POLICY.forClass(UserClass.class).isMethodExposed(Object.class.getMethod("toString"))); |
| } |
| |
| @Test |
| public void testWellKnownUnsafeMethodsAreBanned() throws NoSuchMethodException { |
| { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(Class.class); |
| assertFalse(classPolicy.isMethodExposed(Class.class.getMethod("forName", String.class))); |
| assertFalse(classPolicy.isMethodExposed(Class.class.getMethod("newInstance"))); |
| assertFalse(classPolicy.isMethodExposed(Class.class.getMethod("getClassLoader"))); |
| assertFalse(classPolicy.isMethodExposed(Class.class.getMethod("getResourceAsStream", String.class))); |
| assertFalse(classPolicy.isMethodExposed(Class.class.getMethod("getResource", String.class))); |
| assertTrue(classPolicy.isMethodExposed(Class.class.getMethod("getProtectionDomain"))); // Allowed |
| } |
| { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(ProtectionDomain.class); |
| assertFalse(classPolicy.isMethodExposed(ProtectionDomain.class.getMethod("getClassLoader"))); |
| } |
| { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(ClassLoader.class); |
| assertFalse(classPolicy.isMethodExposed(ClassLoader.class.getMethod("loadClass", String.class))); |
| } |
| { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(Method.class); |
| assertFalse(classPolicy.isMethodExposed(Method.class.getMethod("invoke", Object.class, Object[].class))); |
| } |
| { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(Constructor.class); |
| assertFalse(classPolicy.isMethodExposed(Constructor.class.getMethod("newInstance", Object[].class))); |
| } |
| { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(Field.class); |
| assertFalse(classPolicy.isMethodExposed(Field.class.getMethod("get", Object.class))); |
| } |
| { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(Object.class); |
| assertTrue(classPolicy.isMethodExposed(Field.class.getMethod("getClass"))); // Allowed by design |
| assertFalse(classPolicy.isMethodExposed(Field.class.getMethod("wait"))); |
| } |
| { |
| ClassMemberAccessPolicy classPolicy = POLICY.forClass(URL.class); |
| assertFalse(classPolicy.isMethodExposed(URL.class.getMethod("openConnection"))); |
| } |
| } |
| |
| public static class ThreadSubclass extends Thread { |
| @Override |
| public void run() { |
| super.run(); |
| } |
| |
| public void m1() {} |
| } |
| |
| public static class UserClass { |
| public void foo() { |
| } |
| } |
| |
| public static class CustomClassLoader extends ClassLoader { |
| public void m1() {} |
| } |
| |
| } |