wsdl/parser/MetadataFinder.java

325N/A/*
325N/A * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
325N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
325N/A *
325N/A * This code is free software; you can redistribute it and/or modify it
325N/A * under the terms of the GNU General Public License version 2 only, as
325N/A * published by the Free Software Foundation.  Oracle designates this
325N/A * particular file as subject to the "Classpath" exception as provided
325N/A * by Oracle in the LICENSE file that accompanied this code.
325N/A *
325N/A * This code is distributed in the hope that it will be useful, but WITHOUT
325N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
325N/A * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
325N/A * version 2 for more details (a copy is included in the LICENSE file that
325N/A * accompanied this code).
325N/A *
325N/A * You should have received a copy of the GNU General Public License version
325N/A * 2 along with this work; if not, write to the Free Software Foundation,
325N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
325N/A *
325N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
325N/A * or visit www.oracle.com if you need additional information or have any
325N/A * questions.
325N/A */
325N/A
325N/Apackage com.sun.tools.internal.ws.wsdl.parser;
325N/A
325N/Aimport com.sun.istack.internal.NotNull;
325N/Aimport com.sun.istack.internal.Nullable;
325N/Aimport com.sun.tools.internal.ws.resources.WscompileMessages;
325N/Aimport com.sun.tools.internal.ws.resources.WsdlMessages;
325N/Aimport com.sun.tools.internal.ws.wscompile.AbortException;
325N/Aimport com.sun.tools.internal.ws.wscompile.DefaultAuthenticator;
325N/Aimport com.sun.tools.internal.ws.wscompile.ErrorReceiver;
325N/Aimport com.sun.tools.internal.ws.wscompile.WsimportOptions;
325N/Aimport com.sun.tools.internal.ws.wsdl.document.WSDLConstants;
325N/Aimport com.sun.tools.internal.ws.wsdl.document.schema.SchemaConstants;
325N/Aimport com.sun.tools.internal.ws.wsdl.framework.ParseException;
325N/Aimport com.sun.xml.internal.ws.api.wsdl.parser.MetaDataResolver;
325N/Aimport com.sun.xml.internal.ws.api.wsdl.parser.MetadataResolverFactory;
325N/Aimport com.sun.xml.internal.ws.api.wsdl.parser.ServiceDescriptor;
325N/Aimport com.sun.xml.internal.ws.util.DOMUtil;
325N/Aimport com.sun.xml.internal.ws.util.JAXWSUtils;
325N/Aimport com.sun.xml.internal.ws.util.ServiceFinder;
325N/Aimport org.w3c.dom.Document;
325N/Aimport org.w3c.dom.Element;
325N/Aimport org.w3c.dom.Node;
325N/Aimport org.w3c.dom.NodeList;
325N/Aimport org.xml.sax.EntityResolver;
325N/Aimport org.xml.sax.InputSource;
325N/Aimport org.xml.sax.SAXException;
325N/Aimport org.xml.sax.SAXParseException;
325N/A
325N/Aimport javax.net.ssl.HostnameVerifier;
325N/Aimport javax.net.ssl.HttpsURLConnection;
325N/Aimport javax.net.ssl.SSLSession;
325N/Aimport javax.xml.transform.Source;
325N/Aimport javax.xml.transform.dom.DOMSource;
325N/Aimport java.io.FileNotFoundException;
325N/Aimport java.io.IOException;
325N/Aimport java.io.InputStream;
325N/Aimport java.net.*;
325N/Aimport java.util.*;
325N/A
325N/A/**
325N/A * @author Vivek Pandey
325N/A */
325N/Apublic final class MetadataFinder extends DOMForest{
325N/A
325N/A    public boolean isMexMetadata;
325N/A    private String rootWSDL;
325N/A    private Set<String> rootWsdls = new HashSet<String>();
325N/A
325N/A    public MetadataFinder(InternalizationLogic logic, WsimportOptions options, ErrorReceiver errReceiver) {
325N/A        super(logic, new WSEntityResolver(options,errReceiver), options, errReceiver);
325N/A
325N/A    }
325N/A
325N/A    public void parseWSDL(){
325N/A        // parse source grammars
325N/A        for (InputSource value : options.getWSDLs()) {
325N/A            String systemID = value.getSystemId();
325N/A            errorReceiver.pollAbort();
325N/A
325N/A            Document dom ;
325N/A            Element doc = null;
325N/A
325N/A            try {
325N/A            //if there is entity resolver use it
325N/A            if (options.entityResolver != null)
325N/A                value = options.entityResolver.resolveEntity(null, systemID);
325N/A            if (value == null)
325N/A                value = new InputSource(systemID);
325N/A                dom = parse(value, true);
325N/A
325N/A                doc = dom.getDocumentElement();
325N/A                if (doc == null) {
325N/A                    continue;
325N/A                }
325N/A                //if its not a WSDL document, retry with MEX
325N/A                if (doc.getNamespaceURI() == null || !doc.getNamespaceURI().equals(WSDLConstants.NS_WSDL) || !doc.getLocalName().equals("definitions")) {
325N/A                    throw new SAXParseException(WsdlMessages.INVALID_WSDL(systemID,
325N/A                        com.sun.xml.internal.ws.wsdl.parser.WSDLConstants.QNAME_DEFINITIONS, doc.getNodeName(), locatorTable.getStartLocation(doc).getLineNumber()), locatorTable.getStartLocation(doc));
325N/A                }
325N/A            } catch(FileNotFoundException e){
325N/A                errorReceiver.error(WsdlMessages.FILE_NOT_FOUND(systemID), e);
325N/A                return;
325N/A            } catch (IOException e) {
325N/A                doc = getFromMetadataResolver(systemID, e);
325N/A            } catch (SAXParseException e) {
325N/A                doc = getFromMetadataResolver(systemID, e);
325N/A            } catch (SAXException e) {
325N/A                doc = getFromMetadataResolver(systemID, e);
325N/A            }
325N/A
325N/A            if (doc == null) {
325N/A                continue;
325N/A            }
325N/A
325N/A            NodeList schemas = doc.getElementsByTagNameNS(SchemaConstants.NS_XSD, "schema");
325N/A            for (int i = 0; i < schemas.getLength(); i++) {
325N/A                if(!inlinedSchemaElements.contains(schemas.item(i)))
325N/A                    inlinedSchemaElements.add((Element) schemas.item(i));
325N/A            }
325N/A        }
325N/A        identifyRootWsdls();
325N/A    }
325N/A
325N/A    public static class WSEntityResolver implements EntityResolver {
325N/A        EntityResolver parentResolver;
325N/A        WsimportOptions options;
325N/A        ErrorReceiver errorReceiver;
325N/A
325N/A        public WSEntityResolver(WsimportOptions options, ErrorReceiver errReceiver) {
325N/A            this.parentResolver = options.entityResolver;
325N/A            this.options = options;
325N/A            this.errorReceiver = errReceiver;
325N/A        }
325N/A
325N/A        public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
325N/A            InputSource inputSource = null;
325N/A
325N/A            if(options.entityResolver != null ) {
325N/A                inputSource = options.entityResolver.resolveEntity(null, systemId);
325N/A            }
325N/A            if (inputSource == null) {
325N/A                inputSource = new InputSource(systemId);
325N/A                InputStream is = null;
325N/A                int redirects = 0;
325N/A                boolean redirect;
325N/A                URL url = JAXWSUtils.getFileOrURL(inputSource.getSystemId());
325N/A                URLConnection conn = url.openConnection();
325N/A                do {
325N/A                    if (conn instanceof HttpsURLConnection) {
325N/A                        if (options.disableSSLHostnameVerification) {
325N/A                            ((HttpsURLConnection) conn).setHostnameVerifier(new HttpClientVerifier());
325N/A                        }
325N/A                    }
325N/A                    redirect = false;
325N/A                    if (conn instanceof HttpURLConnection) {
325N/A                        ((HttpURLConnection) conn).setInstanceFollowRedirects(false);
325N/A                    }
325N/A
325N/A                    try {
325N/A                        is = conn.getInputStream();
325N/A                        //is = sun.net.www.protocol.http.HttpURLConnection.openConnectionCheckRedirects(conn);
325N/A                    } catch (IOException e) {
325N/A                        if (conn instanceof HttpURLConnection) {
325N/A                            HttpURLConnection httpConn = ((HttpURLConnection) conn);
325N/A                            int code = httpConn.getResponseCode();
325N/A                            if (code == 401) {
325N/A                                errorReceiver.error(new SAXParseException(WscompileMessages.WSIMPORT_AUTH_INFO_NEEDED(e.getMessage(),
325N/A                                        systemId, DefaultAuthenticator.defaultAuthfile), null, e));
325N/A                                throw new AbortException();
325N/A                            }
325N/A                            //FOR other code we will retry with MEX
325N/A                        }
325N/A                        throw e;
325N/A                    }
325N/A
325N/A                    //handle 302 or 303, JDK does not seem to handle 302 very well.
325N/A                    //Need to redesign this a bit as we need to throw better error message for IOException in this case
325N/A                    if (conn instanceof HttpURLConnection) {
325N/A                        HttpURLConnection httpConn = ((HttpURLConnection) conn);
325N/A                        int code = httpConn.getResponseCode();
325N/A                        if (code == 302 || code == 303) {
325N/A                            //retry with the value in Location header
325N/A                            List<String> seeOther = httpConn.getHeaderFields().get("Location");
325N/A                            if (seeOther != null && seeOther.size() > 0) {
325N/A                                URL newurl = new URL(url, seeOther.get(0));
325N/A                                if (!newurl.equals(url)) {
325N/A                                    errorReceiver.info(new SAXParseException(WscompileMessages.WSIMPORT_HTTP_REDIRECT(code, seeOther.get(0)), null));
325N/A                                    url = newurl;
325N/A                                    httpConn.disconnect();
325N/A                                    if (redirects >= 5) {
325N/A                                        errorReceiver.error(new SAXParseException(WscompileMessages.WSIMPORT_MAX_REDIRECT_ATTEMPT(), null));
325N/A                                        throw new AbortException();
325N/A                                    }
325N/A                                    conn = url.openConnection();
325N/A                                    inputSource.setSystemId(url.toExternalForm());
325N/A                                    redirects++;
325N/A                                    redirect = true;
325N/A                                }
325N/A                            }
325N/A                        }
325N/A                    }
325N/A                } while (redirect);
325N/A                inputSource.setByteStream(is);
325N/A            }
325N/A
325N/A            return inputSource;
325N/A        }
325N/A
325N/A    }
325N/A
325N/A    // overide default SSL HttpClientVerifier to always return true
325N/A    // effectively overiding Hostname client verification when using SSL
325N/A    private static class HttpClientVerifier implements HostnameVerifier {
325N/A        public boolean verify(String s, SSLSession sslSession) {
325N/A            return true;
325N/A        }
325N/A    }
325N/A
325N/A    /**
325N/A     * Gives the root wsdl document systemId. A root wsdl document is the one which has wsdl:service.
325N/A     * @return null if there is no root wsdl
325N/A     */
325N/A    public @Nullable
325N/A    String getRootWSDL(){
325N/A        return rootWSDL;
325N/A    }
325N/A
325N/A    /**
325N/A     * Gives all the WSDL documents.
325N/A     */
325N/A    public @NotNull
325N/A    Set<String> getRootWSDLs(){
325N/A        return rootWsdls;
325N/A    }
325N/A
325N/A
325N/A    /**
325N/A     * Identifies WSDL documents from the {@link DOMForest}. Also identifies the root wsdl document.
325N/A     */
325N/A    private void identifyRootWsdls(){
325N/A        for(String location: rootDocuments){
325N/A            Document doc = get(location);
325N/A            if(doc!=null){
325N/A                Element definition = doc.getDocumentElement();
325N/A                if(definition == null || definition.getLocalName() == null || definition.getNamespaceURI() == null)
325N/A                    continue;
325N/A                if(definition.getNamespaceURI().equals(WSDLConstants.NS_WSDL) && definition.getLocalName().equals("definitions")){
325N/A                    rootWsdls.add(location);
325N/A                    //set the root wsdl at this point. Root wsdl is one which has wsdl:service in it
325N/A                    NodeList nl = definition.getElementsByTagNameNS(WSDLConstants.NS_WSDL, "service");
325N/A
325N/A                    //TODO:what if there are more than one wsdl with wsdl:service element. Probably such cases
325N/A                    //are rare and we will take any one of them, this logic should still work
325N/A                    if(nl.getLength() > 0)
325N/A                        rootWSDL = location;
325N/A                }
325N/A            }
325N/A        }
325N/A        //no wsdl with wsdl:service found, throw error
325N/A        if(rootWSDL == null){
325N/A            StringBuffer strbuf = new StringBuffer();
325N/A            for(String str : rootWsdls){
325N/A                strbuf.append(str);
325N/A                strbuf.append('\n');
325N/A            }
325N/A            errorReceiver.error(null, WsdlMessages.FAILED_NOSERVICE(strbuf.toString()));
325N/A        }
325N/A    }
325N/A
325N/A    /*
325N/A    * If source and target namespace are also passed in,
325N/A    * then if the mex resolver is found and it cannot get
325N/A    * the data, wsimport attempts to add ?wsdl to the
325N/A    * address and retrieve the data with a normal http get.
325N/A    * This behavior should only happen when trying a
325N/A    * mex request first.
325N/A    */
325N/A    private @Nullable Element getFromMetadataResolver(String systemId, Exception ex) {
325N/A        //try MEX
325N/A        MetaDataResolver resolver;
325N/A        ServiceDescriptor serviceDescriptor = null;
325N/A        for (MetadataResolverFactory resolverFactory : ServiceFinder.find(MetadataResolverFactory.class)) {
325N/A            resolver = resolverFactory.metadataResolver(options.entityResolver);
325N/A            try {
325N/A                serviceDescriptor = resolver.resolve(new URI(systemId));
325N/A                //we got the ServiceDescriptor, now break
325N/A                if (serviceDescriptor != null)
325N/A                    break;
325N/A            } catch (URISyntaxException e) {
325N/A                throw new ParseException(e);
325N/A            }
325N/A        }
325N/A
325N/A        if (serviceDescriptor != null) {
325N/A            errorReceiver.warning(new SAXParseException(WsdlMessages.TRY_WITH_MEX(ex.getMessage()), null, ex));
325N/A            return parseMetadata(systemId, serviceDescriptor);
325N/A        } else {
325N/A            errorReceiver.error(null, WsdlMessages.PARSING_UNABLE_TO_GET_METADATA(ex.getMessage(), WscompileMessages.WSIMPORT_NO_WSDL(systemId)), ex);
325N/A        }
325N/A        return null;
325N/A    }
325N/A
325N/A    private Element parseMetadata(@NotNull String systemId, @NotNull ServiceDescriptor serviceDescriptor) {
325N/A        List<? extends Source> mexWsdls = serviceDescriptor.getWSDLs();
325N/A        List<? extends Source> mexSchemas = serviceDescriptor.getSchemas();
325N/A        Document root = null;
325N/A        for (Source src : mexWsdls) {
325N/A            if (src instanceof DOMSource) {
325N/A                Node n = ((DOMSource) src).getNode();
325N/A                Document doc;
325N/A                if (n.getNodeType() == Node.ELEMENT_NODE && n.getOwnerDocument() == null) {
325N/A                    doc = DOMUtil.createDom();
325N/A                    doc.importNode(n, true);
325N/A                } else {
325N/A                    doc = n.getOwnerDocument();
325N/A                }
325N/A
325N/A//                Element e = (n.getNodeType() == Node.ELEMENT_NODE)?(Element)n: DOMUtil.getFirstElementChild(n);
325N/A                if (root == null) {
325N/A                    //check if its main wsdl, then set it to root
325N/A                    NodeList nl = doc.getDocumentElement().getElementsByTagNameNS(WSDLConstants.NS_WSDL, "service");
325N/A                    if (nl.getLength() > 0) {
325N/A                        root = doc;
325N/A                        rootWSDL = src.getSystemId();
325N/A                    }
325N/A                }
325N/A                NodeList nl = doc.getDocumentElement().getElementsByTagNameNS(WSDLConstants.NS_WSDL, "import");
325N/A                for(int i = 0; i < nl.getLength(); i++){
325N/A                    Element imp = (Element) nl.item(i);
325N/A                    String loc = imp.getAttribute("location");
325N/A                    if (loc != null) {
325N/A                        if (!externalReferences.contains(loc))
325N/A                            externalReferences.add(loc);
325N/A                    }
325N/A                }
325N/A                if (core.keySet().contains(systemId))
325N/A                    core.remove(systemId);
325N/A                core.put(src.getSystemId(), doc);
325N/A                resolvedCache.put(systemId, doc.getDocumentURI());
325N/A                isMexMetadata = true;
325N/A            }
325N/A
325N/A            //TODO:handle SAXSource
325N/A            //TODO:handler StreamSource
325N/A        }
325N/A
325N/A        for (Source src : mexSchemas) {
325N/A            if (src instanceof DOMSource) {
325N/A                Node n = ((DOMSource) src).getNode();
325N/A                Element e = (n.getNodeType() == Node.ELEMENT_NODE) ? (Element) n : DOMUtil.getFirstElementChild(n);
325N/A                inlinedSchemaElements.add(e);
325N/A            }
325N/A            //TODO:handle SAXSource
325N/A            //TODO:handler StreamSource
325N/A        }
325N/A        return root.getDocumentElement();
325N/A    }
325N/A}