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/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.util.pipe;
import com.sun.istack.NotNull;
import com.sun.istack.Nullable;
import com.sun.xml.stream.buffer.XMLStreamBufferResult;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.message.Message;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.pipe.Tube;
import com.sun.xml.ws.api.pipe.TubeCloner;
import com.sun.xml.ws.api.pipe.helper.AbstractFilterTubeImpl;
import com.sun.xml.ws.api.server.DocumentAddressResolver;
import com.sun.xml.ws.api.server.SDDocument;
import com.sun.xml.ws.api.server.SDDocumentSource;
import com.sun.xml.ws.developer.SchemaValidationFeature;
import com.sun.xml.ws.developer.ValidationErrorHandler;
import com.sun.xml.ws.server.SDDocumentImpl;
import com.sun.xml.ws.util.ByteArrayBuffer;
import com.sun.xml.ws.util.xml.XmlUtil;
import com.sun.xml.ws.wsdl.SDDocumentResolver;
import com.sun.xml.ws.wsdl.parser.WSDLConstants;
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.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamSource;
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.io.StringReader;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import static com.sun.xml.ws.util.xml.XmlUtil.allowExternalAccess;
/**
* {@link Tube} that does the schema validation.
*
* @author Jitendra Kotamraju
*/
public abstract class AbstractSchemaValidationTube extends AbstractFilterTubeImpl {
private static final Logger LOGGER = Logger.getLogger(AbstractSchemaValidationTube.class.getName());
protected final WSBinding binding;
protected final SchemaValidationFeature feature;
protected final DocumentAddressResolver resolver = new ValidationDocumentAddressResolver();
protected final SchemaFactory sf;
public AbstractSchemaValidationTube(WSBinding binding, Tube next) {
super(next);
this.binding = binding;
feature = binding.getFeature(SchemaValidationFeature.class);
sf = allowExternalAccess(SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI), "all", false);
}
protected AbstractSchemaValidationTube(AbstractSchemaValidationTube that, TubeCloner cloner) {
super(that, cloner);
this.binding = that.binding;
this.feature = that.feature;
this.sf = that.sf;
}
protected abstract Validator getValidator();
protected abstract boolean isNoValidation();
private static class ValidationDocumentAddressResolver implements DocumentAddressResolver {
@Nullable
@Override
public String getRelativeAddressFor(@NotNull SDDocument current, @NotNull SDDocument referenced) {
LOGGER.log(Level.FINE, "Current = {0} resolved relative={1}", new Object[]{current.getURL(), referenced.getURL()});
return referenced.getURL().toExternalForm();
}
}
private Document createDOM(SDDocument doc) {
// Get infoset
ByteArrayBuffer bab = new ByteArrayBuffer();
try {
doc.writeTo(null, resolver, bab);
} catch (IOException ioe) {
throw new WebServiceException(ioe);
}
// Convert infoset to DOM
Transformer trans = XmlUtil.newTransformer();
Source source = new StreamSource(bab.newInputStream(), null); //doc.getURL().toExternalForm());
DOMResult result = new DOMResult();
try {
trans.transform(source, result);
} catch(TransformerException te) {
throw new WebServiceException(te);
}
return (Document)result.getNode();
}
protected class MetadataResolverImpl implements SDDocumentResolver, LSResourceResolver {
// systemID --> SDDocument
final Map docs = new HashMap();
// targetnamespace --> SDDocument
final Map nsMapping = new HashMap();
public MetadataResolverImpl() {
}
public MetadataResolverImpl(Iterable it) {
for(SDDocument doc : it) {
if (doc.isSchema()) {
docs.put(doc.getURL().toExternalForm(), doc);
nsMapping.put(((SDDocument.Schema)doc).getTargetNamespace(), doc);
}
}
}
void addSchema(Source schema) {
assert schema.getSystemId() != null;
String systemId = schema.getSystemId();
try {
XMLStreamBufferResult xsbr = XmlUtil.identityTransform(schema, new XMLStreamBufferResult());
SDDocumentSource sds = SDDocumentSource.create(new URL(systemId), xsbr.getXMLStreamBuffer());
SDDocument sdoc = SDDocumentImpl.create(sds, new QName(""), new QName(""));
docs.put(systemId, sdoc);
nsMapping.put(((SDDocument.Schema)sdoc).getTargetNamespace(), sdoc);
} catch(Exception ex) {
LOGGER.log(Level.WARNING, "Exception in adding schemas to resolver", ex);
}
}
void addSchemas(Collection schemas) {
for(Source src : schemas) {
addSchema(src);
}
}
@Override
public SDDocument resolve(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 = SDDocumentImpl.create(sds, new QName(""), new QName(""));
docs.put(systemId, sdi);
}
return sdi;
}
@Override
public LSInput resolveResource(String type, String namespaceURI, String publicId, final String systemId, final String baseURI) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, "type={0} namespaceURI={1} publicId={2} systemId={3} baseURI={4}", new Object[]{type, namespaceURI, publicId, systemId, baseURI});
}
try {
final SDDocument doc;
if (systemId == null) {
doc = nsMapping.get(namespaceURI);
} else {
URI rel = (baseURI != null)
? new URI(baseURI).resolve(systemId)
: new URI(systemId);
doc = docs.get(rel.toString());
}
if (doc != null) {
return new LSInput() {
@Override
public Reader getCharacterStream() {
return null;
}
@Override
public void setCharacterStream(Reader characterStream) {
throw new UnsupportedOperationException();
}
@Override
public InputStream getByteStream() {
ByteArrayBuffer bab = new ByteArrayBuffer();
try {
doc.writeTo(null, resolver, bab);
} catch (IOException ioe) {
throw new WebServiceException(ioe);
}
return bab.newInputStream();
}
@Override
public void setByteStream(InputStream byteStream) {
throw new UnsupportedOperationException();
}
@Override
public String getStringData() {
return null;
}
@Override
public void setStringData(String stringData) {
throw new UnsupportedOperationException();
}
@Override
public String getSystemId() {
return doc.getURL().toExternalForm();
}
@Override
public void setSystemId(String systemId) {
throw new UnsupportedOperationException();
}
@Override
public String getPublicId() {
return null;
}
@Override
public void setPublicId(String publicId) {
throw new UnsupportedOperationException();
}
@Override
public String getBaseURI() {
return doc.getURL().toExternalForm();
}
@Override
public void setBaseURI(String baseURI) {
throw new UnsupportedOperationException();
}
@Override
public String getEncoding() {
return null;
}
@Override
public void setEncoding(String encoding) {
throw new UnsupportedOperationException();
}
@Override
public boolean getCertifiedText() {
return false;
}
@Override
public void setCertifiedText(boolean certifiedText) {
throw new UnsupportedOperationException();
}
};
}
} catch(Exception e) {
LOGGER.log(Level.WARNING, "Exception in LSResourceResolver impl", e);
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, "Don''t know about systemId={0} baseURI={1}", new Object[]{systemId, baseURI});
}
return null;
}
}
private void updateMultiSchemaForTns(String tns, String systemId, Map> schemas) {
List docIdList = schemas.get(tns);
if (docIdList == null) {
docIdList = new ArrayList();
schemas.put(tns, docIdList);
}
docIdList.add(systemId);
}
/*
* Using the following algorithm described in the xerces discussion thread:
*
* "If you're synthesizing schema documents to glue together the ones in
* the WSDL then you may not even need to use "honour-all-schemaLocations".
* Create a schema document for each namespace with s
* (for each schema document in the WSDL with that target namespace)
* and then combine those together with s for each of those
* namespaces in a "master" schema document.
*
* That should work with any schema processor, not just those which
* honour multiple imports for the same namespace."
*/
protected Source[] getSchemaSources(Iterable docs, MetadataResolverImpl mdresolver) {
// All schema fragments in WSDLs are put inlinedSchemas
// systemID --> DOMSource
Map inlinedSchemas = new HashMap();
// Consolidates all the schemas(inlined and external) for a tns
// tns --> list of systemId
Map> multiSchemaForTns = new HashMap>();
for(SDDocument sdoc: docs) {
if (sdoc.isWSDL()) {
Document dom = createDOM(sdoc);
// Get xsd:schema node from WSDL's DOM
addSchemaFragmentSource(dom, sdoc.getURL().toExternalForm(), inlinedSchemas);
} else if (sdoc.isSchema()) {
updateMultiSchemaForTns(((SDDocument.Schema)sdoc).getTargetNamespace(), sdoc.getURL().toExternalForm(), multiSchemaForTns);
}
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, "WSDL inlined schema fragment documents(these are used to create a pseudo schema) = {0}", inlinedSchemas.keySet());
}
for(DOMSource src: inlinedSchemas.values()) {
String tns = getTargetNamespace(src);
updateMultiSchemaForTns(tns, src.getSystemId(), multiSchemaForTns);
}
if (multiSchemaForTns.isEmpty()) {
return new Source[0]; // WSDL doesn't have any schema fragments
} else if (multiSchemaForTns.size() == 1 && multiSchemaForTns.values().iterator().next().size() == 1) {
// It must be a inlined schema, otherwise there would be at least two schemas
String systemId = multiSchemaForTns.values().iterator().next().get(0);
return new Source[] {inlinedSchemas.get(systemId)};
}
// need to resolve these inlined schema fragments
mdresolver.addSchemas(inlinedSchemas.values());
// If there are multiple schema fragments for the same tns, create a
// pseudo schema for that tns by using of those.
// tns --> systemId of a pseudo schema document (consolidated for that tns)
Map oneSchemaForTns = new HashMap();
int i = 0;
for(Map.Entry> e: multiSchemaForTns.entrySet()) {
String systemId;
List sameTnsSchemas = e.getValue();
if (sameTnsSchemas.size() > 1) {
// SDDocumentSource should be changed to take String systemId
// String pseudoSystemId = "urn:x-jax-ws-include-"+i++;
systemId = "file:x-jax-ws-include-"+i++;
Source src = createSameTnsPseudoSchema(e.getKey(), sameTnsSchemas, systemId);
mdresolver.addSchema(src);
} else {
systemId = sameTnsSchemas.get(0);
}
oneSchemaForTns.put(e.getKey(), systemId);
}
// create a master pseudo schema with all the different tns
Source pseudoSchema = createMasterPseudoSchema(oneSchemaForTns);
return new Source[] { pseudoSchema };
}
private @Nullable void addSchemaFragmentSource(Document doc, String systemId, Map map) {
Element e = doc.getDocumentElement();
assert e.getNamespaceURI().equals(WSDLConstants.NS_WSDL);
assert e.getLocalName().equals("definitions");
NodeList typesList = e.getElementsByTagNameNS(WSDLConstants.NS_WSDL, "types");
for(int i=0; i < typesList.getLength(); i++) {
NodeList schemaList = ((Element)typesList.item(i)).getElementsByTagNameNS(WSDLConstants.NS_XMLNS, "schema");
for(int j=0; j < schemaList.getLength(); j++) {
Element elem = (Element)schemaList.item(j);
NamespaceSupport nss = new NamespaceSupport();
// Doing this because transformer is not picking up inscope namespaces
// why doesn't transformer pickup the inscope namespaces ??
buildNamespaceSupport(nss, elem);
patchDOMFragment(nss, elem);
String docId = systemId+"#schema"+j;
map.put(docId, new DOMSource(elem, docId));
}
}
}
/*
* Recursively visit ancestors and build up {@link org.xml.sax.helpers.NamespaceSupport} object.
*/
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 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
*
*
*
*
* @param tns targetNamespace of the the schema documents
* @param docs collection of systemId for the schema documents that have the
* same tns, the collection must have more than one document
* @param psuedoSystemId for the created pseudo schema
* @return Source of pseudo schema that can be used multiple times
*/
private @Nullable Source createSameTnsPseudoSchema(String tns, Collection docs, String pseudoSystemId) {
assert docs.size() > 1;
final StringBuilder sb = new StringBuilder("\n");
for(String systemId : docs) {
sb.append("\n");
}
sb.append("\n");
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, "Pseudo Schema for the same tns={0}is {1}", new Object[]{tns, sb});
}
// override getReader() so that the same source can be used multiple times
return new StreamSource(pseudoSystemId) {
@Override
public Reader getReader() {
return new StringReader(sb.toString());
}
};
}
/*
* Creates a master pseudo schema importing all WSDL schema fragments with
* different tns+pseudo schema for same tns.
*
*
*
*
*
* @param pseudo a map(tns-->systemId) of schema documents
* @return Source of pseudo schema that can be used multiple times
*/
private Source createMasterPseudoSchema(Map docs) {
final StringBuilder sb = new StringBuilder("\n");
for(Map.Entry e : docs.entrySet()) {
String systemId = e.getValue();
String ns = e.getKey();
sb.append("\n");
}
sb.append("");
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE, "Master Pseudo Schema = {0}", sb);
}
// override getReader() so that the same source can be used multiple times
return new StreamSource("file:x-jax-ws-master-doc") {
@Override
public Reader getReader() {
return new StringReader(sb.toString());
}
};
}
protected void doProcess(Packet packet) throws SAXException {
getValidator().reset();
Class handlerClass = feature.getErrorHandler();
ValidationErrorHandler handler;
try {
handler = handlerClass.newInstance();
} catch(Exception e) {
throw new WebServiceException(e);
}
handler.setPacket(packet);
getValidator().setErrorHandler(handler);
Message msg = packet.getMessage().copy();
Source source = msg.readPayloadAsSource();
try {
// Validator javadoc allows ONLY SAX, and DOM Sources
// But the impl seems to handle all kinds.
getValidator().validate(source);
} catch(IOException e) {
throw new WebServiceException(e);
}
}
private String getTargetNamespace(DOMSource src) {
Element elem = (Element)src.getNode();
return elem.getAttribute("targetNamespace");
}
// protected static void printSource(Source src) {
// try {
// ByteArrayBuffer bos = new ByteArrayBuffer();
// StreamResult sr = new StreamResult(bos );
// Transformer trans = TransformerFactory.newInstance().newTransformer();
// trans.transform(src, sr);
// LOGGER.info("**** src ******"+bos.toString());
// bos.close();
// } catch(Exception e) {
// e.printStackTrace();
// }
// }
}
