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| 1 | +/* |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one or more |
| 3 | + * contributor license agreements. See the NOTICE file distributed with |
| 4 | + * this work for additional information regarding copyright ownership. |
| 5 | + * The ASF licenses this file to You under the Apache License, Version 2.0 |
| 6 | + * (the "License"); you may not use this file except in compliance with |
| 7 | + * the License. You may obtain a copy of the License at |
| 8 | + * |
| 9 | + * https://www.apache.org/licenses/LICENSE-2.0 |
| 10 | + * |
| 11 | + * Unless required by applicable law or agreed to in writing, software |
| 12 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | + * See the License for the specific language governing permissions and |
| 15 | + * limitations under the License. |
| 16 | + */ |
| 17 | + |
| 18 | +package org.apache.commons.beanutils.bugs; |
| 19 | + |
| 20 | +import static org.junit.jupiter.api.Assertions.assertEquals; |
| 21 | +import static org.junit.jupiter.api.Assertions.assertInstanceOf; |
| 22 | +import static org.junit.jupiter.api.Assertions.assertNotNull; |
| 23 | +import static org.junit.jupiter.api.Assertions.assertThrows; |
| 24 | + |
| 25 | +import org.apache.commons.beanutils.BeanUtilsBean; |
| 26 | +import org.apache.commons.beanutils.PropertyUtilsBean; |
| 27 | +import org.apache.commons.beanutils.SuppressPropertiesBeanIntrospector; |
| 28 | +import org.apache.commons.beanutils.TestEnum; |
| 29 | +import org.junit.jupiter.api.Test; |
| 30 | + |
| 31 | +public class EnumDeclaringClassTest { |
| 32 | + |
| 33 | + public static class Fixture { |
| 34 | + |
| 35 | + String name = "default"; |
| 36 | + TestEnum testEnum = TestEnum.A; |
| 37 | + |
| 38 | + public String getName() { |
| 39 | + return name; |
| 40 | + } |
| 41 | + |
| 42 | + public TestEnum getTestEnum() { |
| 43 | + return testEnum; |
| 44 | + } |
| 45 | + |
| 46 | + public void setName(final String name) { |
| 47 | + this.name = name; |
| 48 | + } |
| 49 | + |
| 50 | + public void setTestEnum(final TestEnum day) { |
| 51 | + this.testEnum = day; |
| 52 | + } |
| 53 | + } |
| 54 | + |
| 55 | + /** |
| 56 | + * Allow opt-out to make your app less secure but allow access to "declaringClass". |
| 57 | + */ |
| 58 | + @Test |
| 59 | + public void testAllowAccessToClassPropertyFromBeanUtilsBean() throws ReflectiveOperationException { |
| 60 | + final BeanUtilsBean bub = new BeanUtilsBean(); |
| 61 | + final PropertyUtilsBean propertyUtilsBean = bub.getPropertyUtils(); |
| 62 | + propertyUtilsBean.removeBeanIntrospector(SuppressPropertiesBeanIntrospector.SUPPRESS_DECLARING_CLASS); |
| 63 | + final Fixture fixture = new Fixture(); |
| 64 | + final String string = bub.getProperty(fixture, "testEnum.declaringClass"); |
| 65 | + assertEquals("class " + TestEnum.class.getName(), string); |
| 66 | + final Class<TestEnum> teClass = assertInstanceOf(Class.class, propertyUtilsBean.getNestedProperty(fixture, "testEnum.declaringClass")); |
| 67 | + final ClassLoader classLoader = teClass.getClassLoader(); |
| 68 | + assertNotNull(classLoader); |
| 69 | + assertNotNull(bub.getProperty(fixture, "testEnum.declaringClass.classLoader")); |
| 70 | + assertInstanceOf(ClassLoader.class, propertyUtilsBean.getNestedProperty(fixture, "testEnum.declaringClass.classLoader")); |
| 71 | + } |
| 72 | + |
| 73 | + /** |
| 74 | + * Allow opt-out to make your app less secure but allow access to "declaringClass". |
| 75 | + */ |
| 76 | + @Test |
| 77 | + public void testAllowAccessToClassPropertyFromPropertyUtilsBean() throws ReflectiveOperationException { |
| 78 | + final PropertyUtilsBean propertyUtilsBean = new PropertyUtilsBean(); |
| 79 | + propertyUtilsBean.removeBeanIntrospector(SuppressPropertiesBeanIntrospector.SUPPRESS_DECLARING_CLASS); |
| 80 | + final Fixture fixture = new Fixture(); |
| 81 | + final Object cls = propertyUtilsBean.getNestedProperty(fixture, "testEnum.declaringClass"); |
| 82 | + final Class<TestEnum> teClass = assertInstanceOf(Class.class, cls); |
| 83 | + final ClassLoader classLoader = teClass.getClassLoader(); |
| 84 | + assertNotNull(classLoader); |
| 85 | + assertInstanceOf(ClassLoader.class, propertyUtilsBean.getNestedProperty(fixture, "testEnum.declaringClass.classLoader")); |
| 86 | + } |
| 87 | + |
| 88 | + /** |
| 89 | + * By default opt-in to security that does not allow access to "declaringClass". |
| 90 | + */ |
| 91 | + @Test |
| 92 | + public void testSuppressClassPropertyByDefaultFromBeanUtilsBean() throws ReflectiveOperationException { |
| 93 | + final Fixture fixture = new Fixture(); |
| 94 | + final BeanUtilsBean bub = new BeanUtilsBean(); |
| 95 | + assertThrows(NoSuchMethodException.class, () -> bub.getProperty(fixture, "testEnum.declaringClass.classLoader")); |
| 96 | + assertThrows(NoSuchMethodException.class, () -> bub.getPropertyUtils().getNestedProperty(fixture, "testEnum.declaringClass.classLoader")); |
| 97 | + } |
| 98 | + |
| 99 | + /** |
| 100 | + * By default opt-in to security that does not allow access to "declaringClass". |
| 101 | + */ |
| 102 | + @Test |
| 103 | + public void testSuppressClassPropertyByDefaultFromPropertyUtilsBean() throws ReflectiveOperationException { |
| 104 | + final Fixture fixture = new Fixture(); |
| 105 | + final PropertyUtilsBean propertyUtilsBean = new PropertyUtilsBean(); |
| 106 | + assertThrows(NoSuchMethodException.class, () -> propertyUtilsBean.getNestedProperty(fixture, "testEnum.declaringClass.classLoader")); |
| 107 | + } |
| 108 | +} |
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