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* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
*
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package com.sun.xml.internal.ws.server;
import com.sun.istack.internal.Nullable;
import com.sun.xml.internal.ws.api.WSBinding;
import com.sun.xml.internal.ws.api.pipe.Tube;
import com.sun.xml.internal.ws.api.pipe.TubeCloner;
import com.sun.xml.internal.ws.api.pipe.helper.AbstractTubeImpl;
import com.sun.xml.internal.ws.api.server.SDDocument;
import com.sun.xml.internal.ws.api.server.SDDocumentSource;
import com.sun.xml.internal.ws.api.server.ServiceDefinition;
import com.sun.xml.internal.ws.api.server.WSEndpoint;
import com.sun.xml.internal.ws.util.ByteArrayBuffer;
import com.sun.xml.internal.ws.util.MetadataUtil;
import com.sun.xml.internal.ws.util.pipe.AbstractSchemaValidationTube;
import com.sun.xml.internal.ws.util.xml.MetadataDocument;
import org.w3c.dom.*;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSResourceResolver;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.NamespaceSupport;
import javax.xml.XMLConstants;
import javax.xml.namespace.QName;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;
import javax.xml.ws.WebServiceException;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* {@link Tube} that does the schema validation on the server side.
*
* @author Jitendra Kotamraju
*/
public class ServerSchemaValidationTube extends AbstractSchemaValidationTube {
private static final Logger LOGGER = Logger.getLogger(ServerSchemaValidationTube.class.getName());
//private final ServiceDefinition docs;
private final Schema schema;
private final Validator validator;
private final boolean noValidation;
public ServerSchemaValidationTube(WSEndpoint endpoint, WSBinding binding, Tube next) {
super(binding, next);
//docs = endpoint.getServiceDefinition();
SchemaFactory sf = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
Source[] sources = getSchemaSources(endpoint.getServiceDefinition());
for(Source source : sources) {
LOGGER.fine("Constructing validation Schema from = "+source.getSystemId());
//printDOM((DOMSource)source);
}
if (sources.length != 0) {
noValidation = false;
sf.setResourceResolver(new MetadataResolverImpl(endpoint.getServiceDefinition()));
try {
schema = sf.newSchema(sources);
} catch(SAXException e) {
throw new WebServiceException(e);
}
validator = schema.newValidator();
} else {
noValidation = true;
schema = null;
validator = null;
}
}
/**
* Constructs list of schema documents as follows:
* - all <xsd:schema> fragements from all WSDL documents.
* - all schema documents in the application(from WAR etc)
*
* @return list of root schema documents
*/
private Source[] getSchemaSources(ServiceDefinition sd) {
String primary = sd.getPrimary().getURL().toExternalForm();
MetadataUtil.MetadataResolver mdresolver = new MetadataResolverImpl(sd);
Map<String, SDDocument> docs = MetadataUtil.getMetadataClosure(primary, mdresolver, true);
List<Source> list = new ArrayList<Source>();
for(Map.Entry<String, SDDocument> entry : docs.entrySet()) {
SDDocument doc = entry.getValue();
// Add all xsd:schema fragments from all WSDLs. That should form a closure of schemas.
if (doc.isWSDL()) {
Document dom = createDOM(doc);
// Get xsd:schema node from WSDL's DOM
addSchemaFragmentSource(dom, doc.getURL().toExternalForm(), list);
} else if (doc.isSchema()) {
// If there are multiple schemas with the same targetnamespace,
// JAXP works only with the first one. Above, all schema fragments may have the same targetnamespace,
// and that means it will not include all the schemas. Since we have a list of schemas, just add them.
Document dom = createDOM(doc);
list.add(new DOMSource(dom, doc.getURL().toExternalForm()));
}
}
//addSchemaSource(list);
return list.toArray(new Source[list.size()]) ;
}
private class MetadataResolverImpl implements MetadataUtil.MetadataResolver, LSResourceResolver {
Map<String, SDDocument> docs = new HashMap<String, SDDocument>();
MetadataResolverImpl(ServiceDefinition sd) {
for(SDDocument doc : sd) {
SDDocument sdi = doc;
docs.put(sdi.getURL().toExternalForm(), sdi);
}
}
public SDDocument resolveEntity(String systemId) {
SDDocument sdi = docs.get(systemId);
if (sdi == null) {
SDDocumentSource sds;
try {
sds = SDDocumentSource.create(new URL(systemId));
} catch(MalformedURLException e) {
throw new WebServiceException(e);
}
sdi = MetadataDocument.create(sds, new QName(""), new QName(""));
docs.put(systemId, sdi);
}
return sdi;
}
public LSInput resolveResource(String type, String namespaceURI, String publicId, final String systemId, final String baseURI) {
LOGGER.fine("type="+type+ " namespaceURI="+namespaceURI+" publicId="+publicId+" systemId="+systemId+" baseURI="+baseURI);
try {
URL base = baseURI == null ? null : new URL(baseURI);
final URL rel = new URL(base, systemId);
final SDDocument doc = docs.get(rel.toExternalForm());
if (doc != null) {
return new LSInput() {
public Reader getCharacterStream() {
return null;
}
public void setCharacterStream(Reader characterStream) {
throw new UnsupportedOperationException();
}
public InputStream getByteStream() {
ByteArrayBuffer bab = new ByteArrayBuffer();
try {
doc.writeTo(null, resolver, bab);
} catch (IOException ioe) {
throw new WebServiceException(ioe);
}
return bab.newInputStream();
}
public void setByteStream(InputStream byteStream) {
throw new UnsupportedOperationException();
}
public String getStringData() {
return null;
}
public void setStringData(String stringData) {
throw new UnsupportedOperationException();
}
public String getSystemId() {
return rel.toExternalForm();
}
public void setSystemId(String systemId) {
throw new UnsupportedOperationException();
}
public String getPublicId() {
return null;
}
public void setPublicId(String publicId) {
throw new UnsupportedOperationException();
}
public String getBaseURI() {
return rel.toExternalForm();
}
public void setBaseURI(String baseURI) {
throw new UnsupportedOperationException();
}
public String getEncoding() {
return null;
}
public void setEncoding(String encoding) {
throw new UnsupportedOperationException();
}
public boolean getCertifiedText() {
return false;
}
public void setCertifiedText(boolean certifiedText) {
throw new UnsupportedOperationException();
}
};
}
} catch(Exception e) {
LOGGER.log(Level.WARNING, "Exception in LSResourceResolver impl", e);
}
LOGGER.fine("Don't know about systemId="+systemId+" baseURI="+baseURI);
return null;
}
}
protected Validator getValidator() {
return validator;
}
protected boolean isNoValidation() {
return noValidation;
}
/**
* Recursively visit ancestors and build up {@link org.xml.sax.helpers.NamespaceSupport} oject.
*/
private void buildNamespaceSupport(NamespaceSupport nss, Node node) {
if(node==null || node.getNodeType()!=Node.ELEMENT_NODE)
return;
buildNamespaceSupport( nss, node.getParentNode() );
nss.pushContext();
NamedNodeMap atts = node.getAttributes();
for( int i=0; i<atts.getLength(); i++ ) {
Attr a = (Attr)atts.item(i);
if( "xmlns".equals(a.getPrefix()) ) {
nss.declarePrefix( a.getLocalName(), a.getValue() );
continue;
}
if( "xmlns".equals(a.getName()) ) {
nss.declarePrefix( "", a.getValue() );
continue;
}
}
}
/**
* Adds inscope namespaces as attributes to <xsd:schema> fragment nodes.
*
* @param nss namespace context info
* @param elem that is patched with inscope namespaces
*/
private @Nullable void patchDOMFragment(NamespaceSupport nss, Element elem) {
NamedNodeMap atts = elem.getAttributes();
for( Enumeration en = nss.getPrefixes(); en.hasMoreElements(); ) {
String prefix = (String)en.nextElement();
for( int i=0; i<atts.getLength(); i++ ) {
Attr a = (Attr)atts.item(i);
if (!"xmlns".equals(a.getPrefix()) || !a.getLocalName().equals("prefix")) {
LOGGER.fine("Patching with xmlns:"+prefix+"="+nss.getURI(prefix));
elem.setAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, "xmlns:"+prefix, nss.getURI(prefix));
}
}
}
}
protected ServerSchemaValidationTube(ServerSchemaValidationTube that, TubeCloner cloner) {
super(that,cloner);
//this.docs = that.docs;
this.schema = that.schema;
this.validator = schema.newValidator();
this.noValidation = that.noValidation;
}
public AbstractTubeImpl copy(TubeCloner cloner) {
return new ServerSchemaValidationTube(this,cloner);
}
}