| /* |
| * 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 |
| * |
| * http://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 |
| * limitations under the License. |
| */ |
| |
| package org.apache.servicecomb.foundation.common.utils; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| import javax.xml.XMLConstants; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| /** |
| * 规避fortify问题,仅仅是规避,如 |
| * e.getMessage |
| * e.printStackTrace |
| * 调用会报安全问题(敏感信息泄露) |
| * |
| * |
| */ |
| public final class FortifyUtils { |
| |
| private static final Method getMessageMethod; |
| |
| private static final Method printStackTraceMethod; |
| |
| static { |
| try { |
| getMessageMethod = Throwable.class.getMethod("getMessage"); |
| printStackTraceMethod = Throwable.class.getMethod("printStackTrace", PrintWriter.class); |
| } catch (Exception e) { |
| throw new Error(e); |
| } |
| } |
| |
| private FortifyUtils() { |
| } |
| |
| public static String getErrorMsg(Throwable e) { |
| if (e == null) { |
| return ""; |
| } |
| |
| try { |
| return (String) getMessageMethod.invoke(e); |
| } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) { |
| return ""; |
| } |
| } |
| |
| public static String getErrorStack(Throwable e) { |
| if (null == e) { |
| return ""; |
| } |
| |
| try { |
| StringWriter errors = new StringWriter(); |
| printStackTraceMethod.invoke(e, new PrintWriter(errors)); |
| return errors.toString(); |
| } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) { |
| return ""; |
| } |
| } |
| |
| public static String getErrorInfo(Throwable e) { |
| return getErrorInfo(e, true); |
| } |
| |
| public static String getErrorInfo(Throwable e, boolean isPrintMsg) { |
| StringBuilder error = new StringBuilder(System.lineSeparator()); |
| error.append("Exception: ").append(e.getClass().getName()).append("; "); |
| |
| if (isPrintMsg) { |
| error.append(getErrorMsg(e)).append(System.lineSeparator()); |
| } |
| error.append(getErrorStack(e)); |
| |
| return error.toString(); |
| } |
| |
| public static DocumentBuilderFactory getSecurityXmlDocumentFactory() throws ParserConfigurationException { |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| factory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true); |
| factory.setXIncludeAware(false); |
| factory.setExpandEntityReferences(false); |
| factory.setFeature("http://xml.org/sax/features/external-parameter-entities", false); |
| factory.setFeature("http://xml.org/sax/features/external-general-entities", false); |
| factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true); |
| factory.setValidating(true); |
| |
| return factory; |
| } |
| } |