src/test/java/org/apache/commons/beanutils2/bugs/Jira520Test.java

/*
 * 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
 *
 *      https://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
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 */
package org.apache.commons.beanutils2.bugs;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

import org.apache.commons.beanutils2.AlphaBean;
import org.apache.commons.beanutils2.BeanUtilsBean;
import org.apache.commons.beanutils2.SuppressPropertiesBeanIntrospector;
import org.junit.jupiter.api.Test;

/**
 * Fix CVE: https://nvd.nist.gov/vuln/detail/CVE-2014-0114
 *
 * @see <a href="https://issues.apache.org/jira/browse/BEANUTILS-520">https://issues.apache.org/jira/browse/BEANUTILS-520</a>
 */
class Jira520Test {

    /**
     * Allow opt-out to make your app less secure but allow access to "class".
     */
    @Test
    void testAllowAccessToClassProperty() throws Exception {
        final BeanUtilsBean bub = new BeanUtilsBean();
        bub.getPropertyUtils().removeBeanIntrospector(SuppressPropertiesBeanIntrospector.SUPPRESS_CLASS);
        final AlphaBean bean = new AlphaBean();
        final String result = bub.getProperty(bean, "class");
        assertEquals("org.apache.commons.beanutils2.AlphaBean", result, "Class property should have been accessed");
    }

    /**
     * By default opt-in to security that does not allow access to "class".
     */
    @Test
    void testSuppressClassPropertyByDefault() throws Exception {
        final BeanUtilsBean bub = new BeanUtilsBean();
        final AlphaBean bean = new AlphaBean();
        assertThrows(NoSuchMethodException.class, () -> bub.getProperty(bean, "class"));
    }
}