1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.internal.ws.wsdl.parser;
27
28 import com.sun.istack.internal.NotNull;
29 import com.sun.istack.internal.Nullable;
30 import com.sun.tools.internal.ws.resources.WscompileMessages;
31 import com.sun.tools.internal.ws.resources.WsdlMessages;
32 import com.sun.tools.internal.ws.wscompile.AbortException;
33 import com.sun.tools.internal.ws.wscompile.DefaultAuthenticator;
34 import com.sun.tools.internal.ws.wscompile.ErrorReceiver;
35 import com.sun.tools.internal.ws.wscompile.WsimportOptions;
36 import com.sun.tools.internal.ws.wsdl.document.WSDLConstants;
37 import com.sun.tools.internal.ws.wsdl.document.schema.SchemaConstants;
38 import com.sun.tools.internal.ws.wsdl.framework.ParseException;
39 import com.sun.xml.internal.ws.api.wsdl.parser.MetaDataResolver;
40 import com.sun.xml.internal.ws.api.wsdl.parser.MetadataResolverFactory;
41 import com.sun.xml.internal.ws.api.wsdl.parser.ServiceDescriptor;
42 import com.sun.xml.internal.ws.util.DOMUtil;
43 import com.sun.xml.internal.ws.util.JAXWSUtils;
44 import com.sun.xml.internal.ws.util.ServiceFinder;
45 import org.w3c.dom.Document;
46 import org.w3c.dom.Element;
47 import org.w3c.dom.Node;
48 import org.w3c.dom.NodeList;
49 import org.xml.sax.EntityResolver;
50 import org.xml.sax.InputSource;
51 import org.xml.sax.SAXException;
52 import org.xml.sax.SAXParseException;
53
54 import javax.net.ssl.HostnameVerifier;
55 import javax.net.ssl.HttpsURLConnection;
56 import javax.net.ssl.SSLSession;
57 import javax.xml.transform.Source;
58 import javax.xml.transform.dom.DOMSource;
59 import java.io.FileNotFoundException;
60 import java.io.IOException;
61 import java.io.InputStream;
62 import java.net.*;
63 import java.util.*;
64
65 /**
66 * @author Vivek Pandey
67 */
68 public final class MetadataFinder extends DOMForest{
69
70 public boolean isMexMetadata;
71 private String rootWSDL;
72 private Set<String> rootWsdls = new HashSet<String>();
73
74 public MetadataFinder(InternalizationLogic logic, WsimportOptions options, ErrorReceiver errReceiver) {
75 super(logic, new WSEntityResolver(options,errReceiver), options, errReceiver);
76
77 }
78
79 public void parseWSDL(){
80 // parse source grammars
81 for (InputSource value : options.getWSDLs()) {
82 String systemID = value.getSystemId();
83 errorReceiver.pollAbort();
84
85 Document dom ;
86 Element doc = null;
87
88 try {
89 //if there is entity resolver use it
90 if (options.entityResolver != null)
91 value = options.entityResolver.resolveEntity(null, systemID);
92 if (value == null)
93 value = new InputSource(systemID);
94 dom = parse(value, true);
95
96 doc = dom.getDocumentElement();
97 if (doc == null) {
98 continue;
99 }
100 //if its not a WSDL document, retry with MEX
101 if (doc.getNamespaceURI() == null || !doc.getNamespaceURI().equals(WSDLConstants.NS_WSDL) || !doc.getLocalName().equals("definitions")) {
102 throw new SAXParseException(WsdlMessages.INVALID_WSDL(systemID,
103 com.sun.xml.internal.ws.wsdl.parser.WSDLConstants.QNAME_DEFINITIONS, doc.getNodeName(), locatorTable.getStartLocation(doc).getLineNumber()), locatorTable.getStartLocation(doc));
104 }
105 } catch(FileNotFoundException e){
106 errorReceiver.error(WsdlMessages.FILE_NOT_FOUND(systemID), e);
107 return;
108 } catch (IOException e) {
109 doc = getFromMetadataResolver(systemID, e);
110 } catch (SAXParseException e) {
111 doc = getFromMetadataResolver(systemID, e);
112 } catch (SAXException e) {
113 doc = getFromMetadataResolver(systemID, e);
114 }
115
116 if (doc == null) {
117 continue;
118 }
119
120 NodeList schemas = doc.getElementsByTagNameNS(SchemaConstants.NS_XSD, "schema");
121 for (int i = 0; i < schemas.getLength(); i++) {
122 if(!inlinedSchemaElements.contains(schemas.item(i)))
123 inlinedSchemaElements.add((Element) schemas.item(i));
124 }
125 }
126 identifyRootWsdls();
127 }
128
129 public static class WSEntityResolver implements EntityResolver {
130 EntityResolver parentResolver;
131 WsimportOptions options;
132 ErrorReceiver errorReceiver;
133
134 public WSEntityResolver(WsimportOptions options, ErrorReceiver errReceiver) {
135 this.parentResolver = options.entityResolver;
136 this.options = options;
137 this.errorReceiver = errReceiver;
138 }
139
140 public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
141 InputSource inputSource = null;
142
143 if(options.entityResolver != null ) {
144 inputSource = options.entityResolver.resolveEntity(null, systemId);
145 }
146 if (inputSource == null) {
147 inputSource = new InputSource(systemId);
148 InputStream is = null;
149 int redirects = 0;
150 boolean redirect;
151 URL url = JAXWSUtils.getFileOrURL(inputSource.getSystemId());
152 URLConnection conn = url.openConnection();
153 do {
154 if (conn instanceof HttpsURLConnection) {
155 if (options.disableSSLHostnameVerification) {
156 ((HttpsURLConnection) conn).setHostnameVerifier(new HttpClientVerifier());
157 }
158 }
159 redirect = false;
160 if (conn instanceof HttpURLConnection) {
161 ((HttpURLConnection) conn).setInstanceFollowRedirects(false);
162 }
163
164 try {
165 is = conn.getInputStream();
166 //is = sun.net.www.protocol.http.HttpURLConnection.openConnectionCheckRedirects(conn);
167 } catch (IOException e) {
168 if (conn instanceof HttpURLConnection) {
169 HttpURLConnection httpConn = ((HttpURLConnection) conn);
170 int code = httpConn.getResponseCode();
171 if (code == 401) {
172 errorReceiver.error(new SAXParseException(WscompileMessages.WSIMPORT_AUTH_INFO_NEEDED(e.getMessage(),
173 systemId, DefaultAuthenticator.defaultAuthfile), null, e));
174 throw new AbortException();
175 }
176 //FOR other code we will retry with MEX
177 }
178 throw e;
179 }
180
181 //handle 302 or 303, JDK does not seem to handle 302 very well.
182 //Need to redesign this a bit as we need to throw better error message for IOException in this case
183 if (conn instanceof HttpURLConnection) {
184 HttpURLConnection httpConn = ((HttpURLConnection) conn);
185 int code = httpConn.getResponseCode();
186 if (code == 302 || code == 303) {
187 //retry with the value in Location header
188 List<String> seeOther = httpConn.getHeaderFields().get("Location");
189 if (seeOther != null && seeOther.size() > 0) {
190 URL newurl = new URL(url, seeOther.get(0));
191 if (!newurl.equals(url)) {
192 errorReceiver.info(new SAXParseException(WscompileMessages.WSIMPORT_HTTP_REDIRECT(code, seeOther.get(0)), null));
193 url = newurl;
194 httpConn.disconnect();
195 if (redirects >= 5) {
196 errorReceiver.error(new SAXParseException(WscompileMessages.WSIMPORT_MAX_REDIRECT_ATTEMPT(), null));
197 throw new AbortException();
198 }
199 conn = url.openConnection();
200 inputSource.setSystemId(url.toExternalForm());
201 redirects++;
202 redirect = true;
203 }
204 }
205 }
206 }
207 } while (redirect);
208 inputSource.setByteStream(is);
209 }
210
211 return inputSource;
212 }
213
214 }
215
216 // overide default SSL HttpClientVerifier to always return true
217 // effectively overiding Hostname client verification when using SSL
218 private static class HttpClientVerifier implements HostnameVerifier {
219 public boolean verify(String s, SSLSession sslSession) {
220 return true;
221 }
222 }
223
224 /**
225 * Gives the root wsdl document systemId. A root wsdl document is the one which has wsdl:service.
226 * @return null if there is no root wsdl
227 */
228 public @Nullable
229 String getRootWSDL(){
230 return rootWSDL;
231 }
232
233 /**
234 * Gives all the WSDL documents.
235 */
236 public @NotNull
237 Set<String> getRootWSDLs(){
238 return rootWsdls;
239 }
240
241
242 /**
243 * Identifies WSDL documents from the {@link DOMForest}. Also identifies the root wsdl document.
244 */
245 private void identifyRootWsdls(){
246 for(String location: rootDocuments){
247 Document doc = get(location);
248 if(doc!=null){
249 Element definition = doc.getDocumentElement();
250 if(definition == null || definition.getLocalName() == null || definition.getNamespaceURI() == null)
251 continue;
252 if(definition.getNamespaceURI().equals(WSDLConstants.NS_WSDL) && definition.getLocalName().equals("definitions")){
253 rootWsdls.add(location);
254 //set the root wsdl at this point. Root wsdl is one which has wsdl:service in it
255 NodeList nl = definition.getElementsByTagNameNS(WSDLConstants.NS_WSDL, "service");
256
257 //TODO:what if there are more than one wsdl with wsdl:service element. Probably such cases
258 //are rare and we will take any one of them, this logic should still work
259 if(nl.getLength() > 0)
260 rootWSDL = location;
261 }
262 }
263 }
264 //no wsdl with wsdl:service found, throw error
265 if(rootWSDL == null){
266 StringBuffer strbuf = new StringBuffer();
267 for(String str : rootWsdls){
268 strbuf.append(str);
269 strbuf.append('\n');
270 }
271 errorReceiver.error(null, WsdlMessages.FAILED_NOSERVICE(strbuf.toString()));
272 }
273 }
274
275 /*
276 * If source and target namespace are also passed in,
277 * then if the mex resolver is found and it cannot get
278 * the data, wsimport attempts to add ?wsdl to the
279 * address and retrieve the data with a normal http get.
280 * This behavior should only happen when trying a
281 * mex request first.
282 */
283 private @Nullable Element getFromMetadataResolver(String systemId, Exception ex) {
284 //try MEX
285 MetaDataResolver resolver;
286 ServiceDescriptor serviceDescriptor = null;
287 for (MetadataResolverFactory resolverFactory : ServiceFinder.find(MetadataResolverFactory.class)) {
288 resolver = resolverFactory.metadataResolver(options.entityResolver);
289 try {
290 serviceDescriptor = resolver.resolve(new URI(systemId));
291 //we got the ServiceDescriptor, now break
292 if (serviceDescriptor != null)
293 break;
294 } catch (URISyntaxException e) {
295 throw new ParseException(e);
296 }
297 }
298
299 if (serviceDescriptor != null) {
300 errorReceiver.warning(new SAXParseException(WsdlMessages.TRY_WITH_MEX(ex.getMessage()), null, ex));
301 return parseMetadata(systemId, serviceDescriptor);
302 } else {
303 errorReceiver.error(null, WsdlMessages.PARSING_UNABLE_TO_GET_METADATA(ex.getMessage(), WscompileMessages.WSIMPORT_NO_WSDL(systemId)), ex);
304 }
305 return null;
306 }
307
308 private Element parseMetadata(@NotNull String systemId, @NotNull ServiceDescriptor serviceDescriptor) {
309 List<? extends Source> mexWsdls = serviceDescriptor.getWSDLs();
310 List<? extends Source> mexSchemas = serviceDescriptor.getSchemas();
311 Document root = null;
312 for (Source src : mexWsdls) {
313 if (src instanceof DOMSource) {
314 Node n = ((DOMSource) src).getNode();
315 Document doc;
316 if (n.getNodeType() == Node.ELEMENT_NODE && n.getOwnerDocument() == null) {
317 doc = DOMUtil.createDom();
318 doc.importNode(n, true);
319 } else {
320 doc = n.getOwnerDocument();
321 }
322
323 // Element e = (n.getNodeType() == Node.ELEMENT_NODE)?(Element)n: DOMUtil.getFirstElementChild(n);
324 if (root == null) {
325 //check if its main wsdl, then set it to root
326 NodeList nl = doc.getDocumentElement().getElementsByTagNameNS(WSDLConstants.NS_WSDL, "service");
327 if (nl.getLength() > 0) {
328 root = doc;
329 rootWSDL = src.getSystemId();
330 }
331 }
332 NodeList nl = doc.getDocumentElement().getElementsByTagNameNS(WSDLConstants.NS_WSDL, "import");
333 for(int i = 0; i < nl.getLength(); i++){
334 Element imp = (Element) nl.item(i);
335 String loc = imp.getAttribute("location");
336 if (loc != null) {
337 if (!externalReferences.contains(loc))
338 externalReferences.add(loc);
339 }
340 }
341 if (core.keySet().contains(systemId))
342 core.remove(systemId);
343 core.put(src.getSystemId(), doc);
344 resolvedCache.put(systemId, doc.getDocumentURI());
345 isMexMetadata = true;
346 }
347
348 //TODO:handle SAXSource
349 //TODO:handler StreamSource
350 }
351
352 for (Source src : mexSchemas) {
353 if (src instanceof DOMSource) {
354 Node n = ((DOMSource) src).getNode();
355 Element e = (n.getNodeType() == Node.ELEMENT_NODE) ? (Element) n : DOMUtil.getFirstElementChild(n);
356 inlinedSchemaElements.add(e);
357 }
358 //TODO:handle SAXSource
359 //TODO:handler StreamSource
360 }
361 return root.getDocumentElement();
362 }
363 }