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Open source Reference Implementation of JSR-224: Java API for XML Web Services
/*
* Copyright (c) 1997, 2021 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.tools.ws.wsdl.parser;
import com.sun.istack.NotNull;
import com.sun.istack.Nullable;
import com.sun.tools.ws.resources.WscompileMessages;
import com.sun.tools.ws.resources.WsdlMessages;
import com.sun.tools.ws.wscompile.AbortException;
import com.sun.tools.ws.wscompile.ErrorReceiver;
import com.sun.tools.ws.wscompile.WsimportOptions;
import com.sun.tools.ws.wsdl.document.WSDLConstants;
import com.sun.tools.ws.wsdl.document.schema.SchemaConstants;
import com.sun.tools.ws.wsdl.framework.ParseException;
import com.sun.xml.ws.api.wsdl.parser.MetaDataResolver;
import com.sun.xml.ws.api.wsdl.parser.MetadataResolverFactory;
import com.sun.xml.ws.api.wsdl.parser.ServiceDescriptor;
import com.sun.xml.ws.util.DOMUtil;
import com.sun.xml.ws.util.JAXWSUtils;
import com.sun.xml.ws.util.ServiceFinder;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSession;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMSource;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.*;
import java.util.*;
/**
* @author Vivek Pandey
*/
public final class MetadataFinder extends DOMForest{
public boolean isMexMetadata;
private String rootWSDL;
private final Set rootWsdls = new HashSet();
public MetadataFinder(InternalizationLogic logic, WsimportOptions options, ErrorReceiver errReceiver) {
super(logic, new WSEntityResolver(options,errReceiver), options, errReceiver);
}
@SuppressWarnings("element-type-mismatch")
public void parseWSDL(){
// parse source grammars
for (InputSource value : options.getWSDLs()) {
String systemID = value.getSystemId();
errorReceiver.pollAbort();
Document dom;
Element doc;
try {
//if there is entity resolver use it
if (options.entityResolver != null) {
value = options.entityResolver.resolveEntity(null, systemID);
}
if (value == null) {
value = new InputSource(systemID);
}
dom = parse(value, true);
doc = dom.getDocumentElement();
if (doc == null) {
continue;
}
//if its not a WSDL document, retry with MEX
if (doc.getNamespaceURI() == null || !doc.getNamespaceURI().equals(WSDLConstants.NS_WSDL) || !doc.getLocalName().equals("definitions")) {
throw new SAXParseException(WsdlMessages.INVALID_WSDL(systemID,
com.sun.xml.ws.wsdl.parser.WSDLConstants.QNAME_DEFINITIONS, doc.getNodeName(), locatorTable.getStartLocation(doc).getLineNumber()), locatorTable.getStartLocation(doc));
}
} catch (FileNotFoundException e) {
errorReceiver.error(WsdlMessages.FILE_NOT_FOUND(systemID), e);
return;
} catch (IOException e) {
doc = getFromMetadataResolver(systemID, e);
} catch (SAXParseException e) {
doc = getFromMetadataResolver(systemID, e);
} catch (SAXException e) {
doc = getFromMetadataResolver(systemID, e);
}
if (doc == null) {
continue;
}
NodeList schemas = doc.getElementsByTagNameNS(SchemaConstants.NS_XSD, "schema");
for (int i = 0; i < schemas.getLength(); i++) {
if (!inlinedSchemaElements.contains(schemas.item(i))) {
inlinedSchemaElements.add((Element) schemas.item(i));
}
}
}
identifyRootWsdls();
}
public static class WSEntityResolver implements EntityResolver {
WsimportOptions options;
ErrorReceiver errorReceiver;
private URLConnection c = null;
private boolean doReset = false;
public WSEntityResolver(WsimportOptions options, ErrorReceiver errReceiver) {
this.options = options;
this.errorReceiver = errReceiver;
}
@Override
public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
InputSource inputSource = null;
if(options.entityResolver != null ) {
inputSource = options.entityResolver.resolveEntity(null, systemId);
}
if (inputSource == null) {
inputSource = new InputSource(systemId);
InputStream is = null;
int redirects = 0;
boolean redirect;
URL url = JAXWSUtils.getFileOrURL(inputSource.getSystemId());
URLConnection conn = url.openConnection();
do {
if (conn instanceof HttpsURLConnection) {
if (options.disableSSLHostnameVerification) {
((HttpsURLConnection) conn).setHostnameVerifier(new HttpClientVerifier());
}
}
redirect = false;
if (conn instanceof HttpURLConnection) {
((HttpURLConnection) conn).setInstanceFollowRedirects(false);
}
if (conn instanceof JarURLConnection) {
if (conn.getUseCaches()) {
doReset = true;
conn.setDefaultUseCaches(false);
c = conn;
}
}
try {
is = conn.getInputStream();
//is = sun.net.www.protocol.http.HttpURLConnection.openConnectionCheckRedirects(conn);
} catch (IOException e) {
if (conn instanceof HttpURLConnection) {
HttpURLConnection httpConn = ((HttpURLConnection) conn);
int code = httpConn.getResponseCode();
if (code == 401) {
errorReceiver.error(new SAXParseException(WscompileMessages.WSIMPORT_AUTH_INFO_NEEDED(e.getMessage(),
systemId, WsimportOptions.defaultAuthfile), null, e));
throw new AbortException();
}
//FOR other code we will retry with MEX
}
throw e;
}
//handle 302 or 303, JDK does not seem to handle 302 very well.
//Need to redesign this a bit as we need to throw better error message for IOException in this case
if (conn instanceof HttpURLConnection) {
HttpURLConnection httpConn = ((HttpURLConnection) conn);
int code = httpConn.getResponseCode();
if (code == 302 || code == 303) {
//retry with the value in Location header
List seeOther = httpConn.getHeaderFields().get("Location");
if (seeOther != null && seeOther.size() > 0) {
URL newurl = new URL(url, seeOther.get(0));
if (!newurl.equals(url)) {
errorReceiver.info(new SAXParseException(WscompileMessages.WSIMPORT_HTTP_REDIRECT(code, seeOther.get(0)), null));
url = newurl;
httpConn.disconnect();
if (redirects >= 5) {
errorReceiver.error(new SAXParseException(WscompileMessages.WSIMPORT_MAX_REDIRECT_ATTEMPT(), null));
throw new AbortException();
}
conn = url.openConnection();
inputSource.setSystemId(url.toExternalForm());
redirects++;
redirect = true;
}
}
}
}
} while (redirect);
inputSource.setByteStream(is);
}
return inputSource;
}
@Override
protected void finalize() throws Throwable {
//see http://java.net/jira/browse/JAX_WS-1087
if (doReset) {
c.setDefaultUseCaches(true);
}
}
}
// overide default SSL HttpClientVerifier to always return true
// effectively overiding Hostname client verification when using SSL
private static class HttpClientVerifier implements HostnameVerifier {
@Override
public boolean verify(String s, SSLSession sslSession) {
return true;
}
}
/**
* Gives the root wsdl document systemId. A root wsdl document is the one which has wsdl:service.
* @return null if there is no root wsdl
*/
public @Nullable String getRootWSDL(){
return rootWSDL;
}
/**
* Gives all the WSDL documents.
*/
public @NotNull Set getRootWSDLs(){
return rootWsdls;
}
/**
* Identifies WSDL documents from the {@link DOMForest}. Also identifies the root wsdl document.
*/
private void identifyRootWsdls(){
for(String location: rootDocuments){
Document doc = get(location);
if(doc!=null){
Element definition = doc.getDocumentElement();
if(definition == null || definition.getLocalName() == null || definition.getNamespaceURI() == null)
continue;
if(definition.getNamespaceURI().equals(WSDLConstants.NS_WSDL) && definition.getLocalName().equals("definitions")){
rootWsdls.add(location);
//set the root wsdl at this point. Root wsdl is one which has wsdl:service in it
NodeList nl = definition.getElementsByTagNameNS(WSDLConstants.NS_WSDL, "service");
//TODO:what if there are more than one wsdl with wsdl:service element. Probably such cases
//are rare and we will take any one of them, this logic should still work
if(nl.getLength() > 0)
rootWSDL = location;
}
}
}
//no wsdl with wsdl:service found, throw error
if(rootWSDL == null){
StringBuilder strbuf = new StringBuilder();
for(String str : rootWsdls){
strbuf.append(str);
strbuf.append('\n');
}
errorReceiver.error(null, WsdlMessages.FAILED_NOSERVICE(strbuf.toString()));
}
}
/*
* If source and target namespace are also passed in,
* then if the mex resolver is found and it cannot get
* the data, wsimport attempts to add ?wsdl to the
* address and retrieve the data with a normal http get.
* This behavior should only happen when trying a
* mex request first.
*/
private @Nullable Element getFromMetadataResolver(String systemId, Exception ex) {
//try MEX
MetaDataResolver resolver;
ServiceDescriptor serviceDescriptor = null;
for (MetadataResolverFactory resolverFactory : ServiceFinder.find(MetadataResolverFactory.class, ServiceLoader.load(MetadataResolverFactory.class))) {
resolver = resolverFactory.metadataResolver(options.entityResolver);
try {
serviceDescriptor = resolver.resolve(new URI(systemId));
//we got the ServiceDescriptor, now break
if (serviceDescriptor != null)
break;
} catch (URISyntaxException e) {
throw new ParseException(e);
}
}
if (serviceDescriptor != null) {
errorReceiver.warning(new SAXParseException(WsdlMessages.TRY_WITH_MEX(ex.getMessage()), null, ex));
return parseMetadata(systemId, serviceDescriptor);
} else {
errorReceiver.error(null, WsdlMessages.PARSING_UNABLE_TO_GET_METADATA(ex.getMessage(), WscompileMessages.WSIMPORT_NO_WSDL(systemId)), ex);
}
return null;
}
private Element parseMetadata(@NotNull String systemId, @NotNull ServiceDescriptor serviceDescriptor) {
List mexWsdls = serviceDescriptor.getWSDLs();
List mexSchemas = serviceDescriptor.getSchemas();
Document root = null;
for (Source src : mexWsdls) {
if (src instanceof DOMSource) {
Node n = ((DOMSource) src).getNode();
Document doc;
if (n.getNodeType() == Node.ELEMENT_NODE && n.getOwnerDocument() == null) {
doc = DOMUtil.createDom();
doc.importNode(n, true);
} else {
doc = n.getOwnerDocument();
}
// Element e = (n.getNodeType() == Node.ELEMENT_NODE)?(Element)n: DOMUtil.getFirstElementChild(n);
if (root == null) {
//check if its main wsdl, then set it to root
NodeList nl = doc.getDocumentElement().getElementsByTagNameNS(WSDLConstants.NS_WSDL, "service");
if (nl.getLength() > 0) {
root = doc;
rootWSDL = src.getSystemId();
}
}
NodeList nl = doc.getDocumentElement().getElementsByTagNameNS(WSDLConstants.NS_WSDL, "import");
for(int i = 0; i < nl.getLength(); i++){
Element imp = (Element) nl.item(i);
String loc = imp.getAttribute("location");
if (loc != null) {
if (!externalReferences.contains(loc))
externalReferences.add(loc);
}
}
if (core.keySet().contains(systemId))
core.remove(systemId);
core.put(src.getSystemId(), doc);
resolvedCache.put(systemId, doc.getDocumentURI());
isMexMetadata = true;
}
//TODO:handle SAXSource
//TODO:handler StreamSource
}
for (Source src : mexSchemas) {
if (src instanceof DOMSource) {
Node n = ((DOMSource) src).getNode();
Element e = (n.getNodeType() == Node.ELEMENT_NODE) ? (Element) n : DOMUtil.getFirstElementChild(n);
inlinedSchemaElements.add(e);
}
//TODO:handle SAXSource
//TODO:handler StreamSource
}
return root.getDocumentElement();
}
}