7195917: XMLDecoder parsing at close-time should be improved

Reviewed-by: art, ahgross
This commit is contained in:
Sergey Malenkov 2012-09-19 21:42:21 +04:00
parent 41e85e364f
commit 1a3e1b43e0
2 changed files with 48 additions and 23 deletions

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2008, 2012, 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
@ -37,6 +37,9 @@ import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.security.AccessControlContext;
import java.security.AccessController;
import java.security.PrivilegedAction;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
@ -46,6 +49,8 @@ import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import sun.misc.SharedSecrets;
/**
* The main class to parse JavaBeans XML archive.
*
@ -56,11 +61,10 @@ import org.xml.sax.helpers.DefaultHandler;
* @see ElementHandler
*/
public final class DocumentHandler extends DefaultHandler {
private final Map<String, Class<? extends ElementHandler>> handlers = new HashMap<String, Class<? extends ElementHandler>>();
private final Map<String, Object> environment = new HashMap<String, Object>();
private final List<Object> objects = new ArrayList<Object>();
private final AccessControlContext acc = AccessController.getContext();
private final Map<String, Class<? extends ElementHandler>> handlers = new HashMap<>();
private final Map<String, Object> environment = new HashMap<>();
private final List<Object> objects = new ArrayList<>();
private Reference<ClassLoader> loader;
private ExceptionListener listener;
@ -351,23 +355,32 @@ public final class DocumentHandler extends DefaultHandler {
*
* @param input the input source to parse
*/
public void parse(InputSource input) {
try {
SAXParserFactory.newInstance().newSAXParser().parse(input, this);
public void parse(final InputSource input) {
if ((this.acc == null) && (null != System.getSecurityManager())) {
throw new SecurityException("AccessControlContext is not set");
}
catch (ParserConfigurationException exception) {
handleException(exception);
}
catch (SAXException wrapper) {
Exception exception = wrapper.getException();
if (exception == null) {
exception = wrapper;
AccessControlContext stack = AccessController.getContext();
SharedSecrets.getJavaSecurityAccess().doIntersectionPrivilege(new PrivilegedAction<Void>() {
public Void run() {
try {
SAXParserFactory.newInstance().newSAXParser().parse(input, DocumentHandler.this);
}
catch (ParserConfigurationException exception) {
handleException(exception);
}
catch (SAXException wrapper) {
Exception exception = wrapper.getException();
if (exception == null) {
exception = wrapper;
}
handleException(exception);
}
catch (IOException exception) {
handleException(exception);
}
return null;
}
handleException(exception);
}
catch (IOException exception) {
handleException(exception);
}
}, stack, this.acc);
}
/**

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2012, 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
@ -29,6 +29,9 @@ import com.sun.beans.decoder.DocumentHandler;
import java.io.Closeable;
import java.io.InputStream;
import java.io.IOException;
import java.security.AccessControlContext;
import java.security.AccessController;
import java.security.PrivilegedAction;
import org.xml.sax.InputSource;
import org.xml.sax.helpers.DefaultHandler;
@ -61,6 +64,7 @@ import org.xml.sax.helpers.DefaultHandler;
* @author Philip Milne
*/
public class XMLDecoder implements AutoCloseable {
private final AccessControlContext acc = AccessController.getContext();
private final DocumentHandler handler = new DocumentHandler();
private final InputSource input;
private Object owner;
@ -189,7 +193,15 @@ public class XMLDecoder implements AutoCloseable {
return false;
}
if (this.array == null) {
this.handler.parse(this.input);
if ((this.acc == null) && (null != System.getSecurityManager())) {
throw new SecurityException("AccessControlContext is not set");
}
AccessController.doPrivileged(new PrivilegedAction<Void>() {
public Void run() {
XMLDecoder.this.handler.parse(XMLDecoder.this.input);
return null;
}
}, this.acc);
this.array = this.handler.getObjects();
}
return true;