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package com.sun.xml.ws.server;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.model.SEIModel;
import com.sun.xml.ws.api.model.wsdl.WSDLPort;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.message.Message;
import com.sun.xml.ws.api.pipe.Tube;
import com.sun.xml.ws.api.pipe.TubeCloner;
import com.sun.xml.ws.api.pipe.NextAction;
import com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl;
import com.sun.xml.ws.api.server.SDDocument;
import com.sun.xml.ws.api.server.SDDocumentSource;
import com.sun.xml.ws.api.server.ServiceDefinition;
import com.sun.xml.ws.api.server.WSEndpoint;
import com.sun.xml.ws.util.ByteArrayBuffer;
import com.sun.xml.ws.util.MetadataUtil;
import com.sun.xml.ws.util.pipe.AbstractSchemaValidationTube;
import com.sun.xml.ws.util.xml.MetadataDocument;
import com.sun.xml.ws.fault.SOAPFaultBuilder;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSResourceResolver;
import org.xml.sax.SAXException;
import javax.xml.XMLConstants;
import javax.xml.namespace.QName;
import javax.xml.transform.Source;
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;
private final SEIModel seiModel;
private final WSDLPort wsdlPort;
public ServerSchemaValidationTube(WSEndpoint endpoint, WSBinding binding,
SEIModel seiModel, WSDLPort wsdlPort, Tube next) {
super(binding, next);
this.seiModel = seiModel;
this.wsdlPort = wsdlPort;
//docs = endpoint.getServiceDefinition();
SchemaFactory sf = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
try {
sf.setFeature(HONOUR_ALL_SCHEMA_LOCATIONS_ID, true);
} catch(Exception e) {
// xerces 2.7 supports this feature. So just ignore the exception.
}
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();
try {
validator.setFeature(HONOUR_ALL_SCHEMA_LOCATIONS_ID, true);
} catch(Exception e) {
// xerces 2.7 supports this feature. So just ignore the exception.
}
} else {
noValidation = true;
schema = null;
validator = null;
}
}
/**
* Constructs list of schema documents as follows:
* - all fragements from all WSDL documents.
* - all schema documents in the application(from WAR etc)
*
* @param sd wsdl/schema document
* @return list of root schema documents
*/
private Source[] getSchemaSources(ServiceDefinition sd) {
String primary = sd.getPrimary().getURL().toExternalForm();
MetadataUtil.MetadataResolver mdresolver = new MetadataResolverImpl(sd);
return super.getSchemaSources(primary, mdresolver);
}
private class MetadataResolverImpl implements MetadataUtil.MetadataResolver, LSResourceResolver {
Map docs = new HashMap();
MetadataResolverImpl(ServiceDefinition sd) {
for(SDDocument doc : sd) {
docs.put(doc.getURL().toExternalForm(), doc);
}
}
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;
}
@Override
public NextAction processRequest(Packet request) {
if (isNoValidation() || !request.getMessage().hasPayload() || request.getMessage().isFault()) {
return super.processRequest(request);
}
try {
doProcess(request);
} catch(SAXException se) {
LOGGER.log(Level.WARNING, "Client Request doesn't pass Service's Schema Validation", se);
// Client request is invalid. So sending specific fault code
// Also converting this to fault message so that handlers may get
// to see the message.
SOAPVersion soapVersion = binding.getSOAPVersion();
Message faultMsg = SOAPFaultBuilder.createSOAPFaultMessage(
soapVersion, null, se, soapVersion.faultCodeClient);
return doReturnWith(request.createServerResponse(faultMsg,
wsdlPort, seiModel, binding));
}
return super.processRequest(request);
}
@Override
public NextAction processResponse(Packet response) {
if (isNoValidation() || response.getMessage() == null || !response.getMessage().hasPayload() || response.getMessage().isFault()) {
return super.processResponse(response);
}
try {
doProcess(response);
} catch(SAXException se) {
// TODO: Should we convert this to fault Message ??
throw new WebServiceException(se);
}
return super.processResponse(response);
}
protected ServerSchemaValidationTube(ServerSchemaValidationTube that, TubeCloner cloner) {
super(that,cloner);
//this.docs = that.docs;
this.schema = that.schema; // Schema is thread-safe
this.validator = schema.newValidator();
this.noValidation = that.noValidation;
this.seiModel = that.seiModel;
this.wsdlPort = that.wsdlPort;
}
public AbstractTubeImpl copy(TubeCloner cloner) {
return new ServerSchemaValidationTube(this,cloner);
}
}
