org.jboss.remoting3.RemotingXmlParser Maven / Gradle / Ivy
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* Copyright 2015, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.remoting3;
import static java.security.AccessController.doPrivileged;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.URI;
import java.security.PrivilegedAction;
import java.util.Collections;
import org.wildfly.client.config.ClientConfiguration;
import org.wildfly.client.config.ConfigXMLParseException;
import org.wildfly.client.config.ConfigurationXMLStreamReader;
import org.wildfly.security.auth.client.AuthenticationContext;
import org.wildfly.security.sasl.util.SaslFactories;
/**
* @author David M. Lloyd
*/
final class RemotingXmlParser {
private static final String NS_REMOTING_5_0 = "urn:jboss-remoting:5.0";
static Endpoint parseEndpoint() throws ConfigXMLParseException, IOException {
final ClientConfiguration clientConfiguration = ClientConfiguration.getInstance();
final EndpointBuilder builder = new EndpointBuilder();
if (clientConfiguration != null) try (final ConfigurationXMLStreamReader streamReader = clientConfiguration.readConfiguration(Collections.singleton(NS_REMOTING_5_0))) {
parseDocument(streamReader, builder);
}
return builder.build();
}
private static void parseDocument(final ConfigurationXMLStreamReader reader, final EndpointBuilder builder) throws ConfigXMLParseException {
if (reader.hasNext()) switch (reader.nextTag()) {
case START_ELEMENT: {
switch (reader.getNamespaceURI()) {
case NS_REMOTING_5_0: break;
default: throw reader.unexpectedElement();
}
switch (reader.getLocalName()) {
case "endpoint": {
parseEndpointElement(reader, builder);
break;
}
default: throw reader.unexpectedElement();
}
break;
}
default: {
throw reader.unexpectedContent();
}
}
}
private static void parseEndpointElement(final ConfigurationXMLStreamReader reader, final EndpointBuilder builder) throws ConfigXMLParseException {
final int attributeCount = reader.getAttributeCount();
for (int i = 0; i < attributeCount; i++) {
switch (reader.getAttributeLocalName(i)) {
case "name": {
builder.setEndpointName(reader.getAttributeValue(i));
break;
}
default: {
throw reader.unexpectedAttribute(i);
}
}
}
while (reader.hasNext()) {
switch (reader.nextTag()) {
case START_ELEMENT: {
switch (reader.getNamespaceURI()) {
case NS_REMOTING_5_0: break;
default: throw reader.unexpectedElement();
}
switch (reader.getLocalName()) {
case "providers": {
parseProvidersElement(reader, builder);
break;
}
case "connections": {
parseConnectionsElement(reader, builder);
break;
}
case "default-bind": {
builder.setDefaultBindAddress(parseBind(reader));
break;
}
default: throw reader.unexpectedElement();
}
break;
}
case END_ELEMENT: {
return;
}
}
}
}
private static InetSocketAddress parseBind(final ConfigurationXMLStreamReader reader) throws ConfigXMLParseException {
final int attributeCount = reader.getAttributeCount();
String address = null;
int port = 0;
for (int i = 0; i < attributeCount; i++) {
switch (reader.getAttributeLocalName(i)) {
case "address": {
address = reader.getAttributeValue(i);
break;
}
case "port": {
port = reader.getIntAttributeValue(i);
if (port < 0 || port > 65535) {
// todo: i18n range check inside of the config client
throw new IllegalArgumentException("Port value out of range");
}
break;
}
default: {
throw reader.unexpectedAttribute(i);
}
}
}
if (address == null) {
throw reader.missingRequiredAttribute(null, "address");
}
final InetSocketAddress bindAddress = InetSocketAddress.createUnresolved(address, port);
switch (reader.nextTag()) {
case END_ELEMENT: {
return bindAddress;
}
default: {
throw reader.unexpectedElement();
}
}
}
private static void parseProvidersElement(final ConfigurationXMLStreamReader reader, final EndpointBuilder builder) throws ConfigXMLParseException {
final int attributeCount = reader.getAttributeCount();
if (attributeCount > 0) {
throw reader.unexpectedAttribute(0);
}
while (reader.hasNext()) {
switch (reader.nextTag()) {
case START_ELEMENT: {
switch (reader.getNamespaceURI()) {
case NS_REMOTING_5_0: break;
default: throw reader.unexpectedElement();
}
switch (reader.getLocalName()) {
case "provider": {
parseProviderElement(reader, builder);
break;
}
default: throw reader.unexpectedElement();
}
}
case END_ELEMENT: {
return;
}
}
}
}
private static void parseProviderElement(final ConfigurationXMLStreamReader reader, final EndpointBuilder builder) throws ConfigXMLParseException {
final int attributeCount = reader.getAttributeCount();
String scheme = null;
String[] aliases = null;
String module = null;
String clazz = null;
for (int i = 0; i < attributeCount; i ++) {
if (reader.getAttributeNamespace(i) != null) {
throw reader.unexpectedAttribute(i);
}
switch (reader.getAttributeLocalName(i)) {
case "scheme": {
scheme = reader.getAttributeValue(i);
break;
}
case "aliases": {
aliases = reader.getListAttributeValueAsArray(i);
break;
}
case "module": {
module = reader.getAttributeValue(i);
break;
}
case "class": {
clazz = reader.getAttributeValue(i);
break;
}
default: {
throw reader.unexpectedAttribute(i);
}
}
}
final ConnectionProviderFactoryBuilder providerBuilder = builder.addProvider(scheme);
if (aliases != null) for (String alias : aliases) {
providerBuilder.addAlias(alias);
}
if (module == null && clazz == null) {
throw new ConfigXMLParseException("At least one of the 'module' or 'class' attributes must be given", reader);
}
if (module != null) {
providerBuilder.setModuleName(module);
}
if (clazz != null) {
providerBuilder.setClassName(clazz);
}
switch (reader.nextTag()) {
case END_ELEMENT: {
return;
}
default: {
throw reader.unexpectedElement();
}
}
}
private static void parseConnectionsElement(final ConfigurationXMLStreamReader reader, final EndpointBuilder builder) throws ConfigXMLParseException {
final int attributeCount = reader.getAttributeCount();
if (attributeCount > 0) {
throw reader.unexpectedAttribute(0);
}
while (reader.hasNext()) {
switch (reader.nextTag()) {
case START_ELEMENT: {
switch (reader.getNamespaceURI()) {
case NS_REMOTING_5_0: break;
default: throw reader.unexpectedElement();
}
switch (reader.getLocalName()) {
case "connection": {
parseConnectionElement(reader, builder);
break;
}
default: throw reader.unexpectedElement();
}
}
case END_ELEMENT: {
return;
}
}
}
}
private static void parseConnectionElement(final ConfigurationXMLStreamReader reader, final EndpointBuilder builder) throws ConfigXMLParseException {
final int attributeCount = reader.getAttributeCount();
URI uri = null;
boolean immediate = false;
for (int i = 0; i < attributeCount; i ++) {
if (reader.getAttributeNamespace(i) != null) {
throw reader.unexpectedAttribute(i);
}
switch (reader.getAttributeLocalName(i)) {
case "uri": {
uri = reader.getURIAttributeValue(i);
break;
}
case "immediate": {
immediate = reader.getBooleanAttributeValue(i);
break;
}
default: {
throw reader.unexpectedAttribute(i);
}
}
}
if (uri == null) {
throw reader.missingRequiredAttribute("", "uri");
}
final ConnectionBuilder connectionBuilder = builder.addConnection(uri);
connectionBuilder.setImmediate(immediate);
connectionBuilder.setSaslClientFactory(SaslFactories.getElytronSaslClientFactory());
connectionBuilder.setAuthenticationContext(getGlobalDefaultAuthCtxt());
while (reader.hasNext()) {
switch (reader.nextTag()) {
case START_ELEMENT: {
switch (reader.getNamespaceURI()) {
case NS_REMOTING_5_0: break;
default: throw reader.unexpectedElement();
}
switch (reader.getLocalName()) {
case "bind": {
connectionBuilder.setBindAddress(parseBind(reader));
break;
}
default: throw reader.unexpectedElement();
}
}
case END_ELEMENT: {
return;
}
}
}
}
static AuthenticationContext getGlobalDefaultAuthCtxt() {
return doPrivileged((PrivilegedAction) AuthenticationContext.getContextManager()::getGlobalDefault);
}
}
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