| /* |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.jf.dexlib2.analysis; |
| |
| import org.jf.dexlib2.AccessFlags; |
| import org.jf.dexlib2.analysis.util.TypeProtoUtils; |
| import org.jf.dexlib2.iface.ClassDef; |
| import org.jf.dexlib2.iface.Method; |
| import org.jf.dexlib2.util.MethodUtil; |
| import org.jf.dexlib2.util.TypeUtils; |
| |
| import javax.annotation.Nonnull; |
| |
| public class AnalyzedMethodUtil { |
| public static boolean canAccess(@Nonnull TypeProto type, @Nonnull Method virtualMethod, boolean checkPackagePrivate, |
| boolean checkProtected, boolean checkClass) { |
| if (checkPackagePrivate && MethodUtil.isPackagePrivate(virtualMethod)) { |
| String otherPackage = TypeUtils.getPackage(virtualMethod.getDefiningClass()); |
| String thisPackage = TypeUtils.getPackage(type.getType()); |
| if (!otherPackage.equals(thisPackage)) { |
| return false; |
| } |
| } |
| |
| if (checkProtected && (virtualMethod.getAccessFlags() & AccessFlags.PROTECTED.getValue()) != 0) { |
| if (!TypeProtoUtils.extendsFrom(type, virtualMethod.getDefiningClass())) { |
| return false; |
| } |
| } |
| |
| if (checkClass) { |
| ClassPath classPath = type.getClassPath(); |
| ClassDef methodClassDef = classPath.getClassDef(virtualMethod.getDefiningClass()); |
| if (!TypeUtils.canAccessClass(type.getType(), methodClassDef)) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| } |