1 /**
2 * This file Copyright (c) 2019 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.dynamic;
35
36 import java.lang.reflect.Proxy;
37 import java.util.regex.Pattern;
38
39 import org.apache.commons.proxy.factory.cglib.CglibProxyFactory;
40
41 import net.sf.cglib.proxy.Enhancer;
42 import net.sf.cglib.proxy.Factory;
43
44 /**
45 * Marker interface conventionally indicating that an object has
46 * undergone some dynamic bytecode manipulation/enhancement.
47 */
48 public interface MagnoliaProxy {
49
50 // Last resort of proxy detection attempt. Normally Enhancer#isEnhanced would indicate that the class is proxied with CGLIB,
51 // but some frameworks like Mockito re-package CGLIB which produces proxies not detectable by Enhancer
52 Pattern CGLIB_FOOTPRINT = Pattern.compile("\\$\\$EnhancerBy.*CGLIB\\$\\$");
53 // Prevent a wrapped class c-tor from being invoked for the proxy by passing false to CglibProxyFactory
54 CglibProxyFactory proxyFactory = new CglibProxyFactory();
55
56 static Class<?> unwrapSourceType(Class potentiallyProxiedType) {
57
58 Class type = potentiallyProxiedType;
59
60 while (!type.isInterface() &&
61 (Enhancer.isEnhanced(type) ||
62 (Factory.class.isAssignableFrom(type) || !type.equals(Object.class) && net.sf.cglib.proxy.Proxy.isProxyClass(type)) ||
63 Proxy.class.isAssignableFrom(type) ||
64 CGLIB_FOOTPRINT.matcher(type.getName()).find() ||
65 MagnoliaProxy.class.isAssignableFrom(type)
66 )) {
67 type = type.getSuperclass();
68 }
69
70 return type;
71 }
72 }