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45 changes: 45 additions & 0 deletions
45
modules/javafx.base/src/main/java/com/sun/javafx/reflect/ConstructorUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /* | ||
| * Copyright (c) 2005, 2018, 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. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package com.sun.javafx.reflect; | ||
|
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| import java.lang.reflect.Constructor; | ||
|
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| public final class ConstructorUtil { | ||
|
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| private ConstructorUtil() { | ||
| } | ||
|
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| public static Constructor<?> getConstructor(Class<?> cls, Class<?>[] params) | ||
| throws NoSuchMethodException { | ||
| ReflectUtil.checkPackageAccess(cls); | ||
| return cls.getConstructor(params); | ||
| } | ||
|
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| public static Constructor<?>[] getConstructors(Class<?> cls) { | ||
| ReflectUtil.checkPackageAccess(cls); | ||
| return cls.getConstructors(); | ||
| } | ||
| } |
40 changes: 40 additions & 0 deletions
40
modules/javafx.base/src/main/java/com/sun/javafx/reflect/FieldUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * Copyright (c) 2005, 2018, 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. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.sun.javafx.reflect; | ||
|
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| import java.lang.reflect.Field; | ||
|
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| public final class FieldUtil { | ||
|
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| private FieldUtil() { | ||
| } | ||
|
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| public static Field getField(Class<?> cls, String name) | ||
| throws NoSuchFieldException { | ||
| ReflectUtil.checkPackageAccess(cls); | ||
| return cls.getField(name); | ||
| } | ||
| } |
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128 changes: 128 additions & 0 deletions
128
modules/javafx.base/src/main/java/com/sun/javafx/reflect/ReflectUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| /* | ||
| * Copyright (c) 2005, 2018, 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. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.sun.javafx.reflect; | ||
|
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| import java.lang.reflect.Proxy; | ||
|
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| public final class ReflectUtil { | ||
|
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| private ReflectUtil() { | ||
| } | ||
|
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| /** | ||
| * Checks package access on the given class. | ||
| * | ||
| * If it is a {@link Proxy#isProxyClass(java.lang.Class)} that implements | ||
| * a non-public interface (i.e. may be in a non-restricted package), | ||
| * also check the package access on the proxy interfaces. | ||
| */ | ||
| public static void checkPackageAccess(Class<?> clazz) { | ||
| SecurityManager s = System.getSecurityManager(); | ||
| if (s != null) { | ||
| privateCheckPackageAccess(s, clazz); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * NOTE: should only be called if a SecurityManager is installed | ||
| */ | ||
| private static void privateCheckPackageAccess(SecurityManager s, Class<?> clazz) { | ||
| while (clazz.isArray()) { | ||
| clazz = clazz.getComponentType(); | ||
| } | ||
|
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| String pkg = clazz.getPackageName(); | ||
| if (pkg != null && !pkg.isEmpty()) { | ||
| s.checkPackageAccess(pkg); | ||
| } | ||
|
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| if (isNonPublicProxyClass(clazz)) { | ||
| privateCheckProxyPackageAccess(s, clazz); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Checks package access on the given classname. | ||
| * This method is typically called when the Class instance is not | ||
| * available and the caller attempts to load a class on behalf | ||
| * the true caller (application). | ||
| */ | ||
| public static void checkPackageAccess(String name) { | ||
| SecurityManager s = System.getSecurityManager(); | ||
| if (s != null) { | ||
| String cname = name.replace('/', '.'); | ||
| if (cname.startsWith("[")) { | ||
| int b = cname.lastIndexOf('[') + 2; | ||
| if (b > 1 && b < cname.length()) { | ||
| cname = cname.substring(b); | ||
| } | ||
| } | ||
| int i = cname.lastIndexOf('.'); | ||
| if (i != -1) { | ||
| s.checkPackageAccess(cname.substring(0, i)); | ||
| } | ||
| } | ||
| } | ||
|
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| public static boolean isPackageAccessible(Class<?> clazz) { | ||
| try { | ||
| checkPackageAccess(clazz); | ||
| } catch (SecurityException e) { | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
|
|
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| /** | ||
| * NOTE: should only be called if a SecurityManager is installed | ||
| */ | ||
| private static void privateCheckProxyPackageAccess(SecurityManager s, Class<?> clazz) { | ||
| // check proxy interfaces if the given class is a proxy class | ||
| if (Proxy.isProxyClass(clazz)) { | ||
| for (Class<?> intf : clazz.getInterfaces()) { | ||
| privateCheckPackageAccess(s, intf); | ||
| } | ||
| } | ||
| } | ||
|
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| // Note that bytecode instrumentation tools may exclude 'sun.*' | ||
| // classes but not generated proxy classes and so keep it in com.sun.* | ||
| public static final String PROXY_PACKAGE = "com.sun.proxy"; | ||
|
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| /** | ||
| * Test if the given class is a proxy class that implements | ||
| * non-public interface. Such proxy class may be in a non-restricted | ||
| * package that bypasses checkPackageAccess. | ||
| */ | ||
| public static boolean isNonPublicProxyClass(Class<?> cls) { | ||
| if (!Proxy.isProxyClass(cls)) { | ||
| return false; | ||
| } | ||
| String pkg = cls.getPackageName(); | ||
| return pkg == null || !pkg.startsWith(PROXY_PACKAGE); | ||
| } | ||
| } |
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