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com.sun.xml.ws.transport.http.client.HttpTransportPipe Maven / Gradle / Ivy
/*
* 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.transport.http.client;
import com.sun.istack.NotNull;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.ha.StickyFeature;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.pipe.*;
import com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl;
import com.sun.xml.ws.client.ClientTransportException;
import com.sun.xml.ws.developer.HttpConfigFeature;
import com.sun.xml.ws.resources.ClientMessages;
import com.sun.xml.ws.resources.WsservletMessages;
import com.sun.xml.ws.transport.Headers;
import com.sun.xml.ws.transport.http.HttpAdapter;
import com.sun.xml.ws.util.ByteArrayBuffer;
import com.sun.xml.ws.util.RuntimeVersion;
import com.sun.xml.ws.util.StreamUtils;
import javax.xml.bind.DatatypeConverter;
import javax.xml.ws.BindingProvider;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.WebServiceFeature;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.soap.SOAPBinding;
import java.io.*;
import java.net.CookieHandler;
import java.net.HttpURLConnection;
import java.util.*;
import java.util.Map.Entry;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* {@link Tube} that sends a request to a remote HTTP server.
*
* TODO: need to create separate HTTP transport pipes for binding. SOAP1.1, SOAP1.2,
* TODO: XML/HTTP differ in handling status codes.
*
* @author Jitendra Kotamraju
*/
public class HttpTransportPipe extends AbstractTubeImpl {
private static final List USER_AGENT = Collections.singletonList(RuntimeVersion.VERSION.toString());
private static final Logger LOGGER = Logger.getLogger(HttpTransportPipe.class.getName());
/**
* Dumps what goes across HTTP transport.
*/
public static boolean dump;
private final Codec codec;
private final WSBinding binding;
private final CookieHandler cookieJar; // shared object among the tubes
private final boolean sticky;
static {
boolean b;
try {
b = Boolean.getBoolean(HttpTransportPipe.class.getName()+".dump");
} catch( Throwable t ) {
b = false;
}
dump = b;
}
public HttpTransportPipe(Codec codec, WSBinding binding) {
this.codec = codec;
this.binding = binding;
this.sticky = isSticky(binding);
HttpConfigFeature configFeature = binding.getFeature(HttpConfigFeature.class);
if (configFeature == null) {
configFeature = new HttpConfigFeature();
}
this.cookieJar = configFeature.getCookieHandler();
}
private static boolean isSticky(WSBinding binding) {
boolean tSticky = false;
WebServiceFeature[] features = binding.getFeatures().toArray();
for(WebServiceFeature f : features) {
if (f instanceof StickyFeature) {
tSticky = true;
break;
}
}
return tSticky;
}
/*
* Copy constructor for {@link Tube#copy(TubeCloner)}.
*/
private HttpTransportPipe(HttpTransportPipe that, TubeCloner cloner) {
this(that.codec.copy(), that.binding);
cloner.add(that,this);
}
@Override
public NextAction processException(@NotNull Throwable t) {
return doThrow(t);
}
@Override
public NextAction processRequest(@NotNull Packet request) {
return doReturnWith(process(request));
}
@Override
public NextAction processResponse(@NotNull Packet response) {
return doReturnWith(response);
}
protected HttpClientTransport getTransport(Packet request, Map> reqHeaders) {
return new HttpClientTransport(request, reqHeaders);
}
@Override
public Packet process(Packet request) {
HttpClientTransport con;
try {
// get transport headers from message
Map> reqHeaders = new Headers();
@SuppressWarnings("unchecked")
Map> userHeaders = (Map>) request.invocationProperties.get(MessageContext.HTTP_REQUEST_HEADERS);
boolean addUserAgent = true;
if (userHeaders != null) {
// userHeaders may not be modifiable like SingletonMap, just copy them
reqHeaders.putAll(userHeaders);
// application wants to use its own User-Agent header
if (userHeaders.get("User-Agent") != null) {
addUserAgent = false;
}
}
if (addUserAgent) {
reqHeaders.put("User-Agent", USER_AGENT);
}
addBasicAuth(request, reqHeaders);
addCookies(request, reqHeaders);
con = getTransport(request, reqHeaders);
request.addSatellite(new HttpResponseProperties(con));
ContentType ct = codec.getStaticContentType(request);
if (ct == null) {
ByteArrayBuffer buf = new ByteArrayBuffer();
ct = codec.encode(request, buf);
// data size is available, set it as Content-Length
reqHeaders.put("Content-Length", Collections.singletonList(Integer.toString(buf.size())));
reqHeaders.put("Content-Type", Collections.singletonList(ct.getContentType()));
if (ct.getAcceptHeader() != null) {
reqHeaders.put("Accept", Collections.singletonList(ct.getAcceptHeader()));
}
if (binding instanceof SOAPBinding) {
writeSOAPAction(reqHeaders, ct.getSOAPActionHeader());
}
if (dump || LOGGER.isLoggable(Level.FINER)) {
dump(buf, "HTTP request", reqHeaders);
}
buf.writeTo(con.getOutput());
} else {
// Set static Content-Type
reqHeaders.put("Content-Type", Collections.singletonList(ct.getContentType()));
if (ct.getAcceptHeader() != null) {
reqHeaders.put("Accept", Collections.singletonList(ct.getAcceptHeader()));
}
if (binding instanceof SOAPBinding) {
writeSOAPAction(reqHeaders, ct.getSOAPActionHeader());
}
if(dump || LOGGER.isLoggable(Level.FINER)) {
ByteArrayBuffer buf = new ByteArrayBuffer();
codec.encode(request, buf);
dump(buf, "HTTP request - "+request.endpointAddress, reqHeaders);
OutputStream out = con.getOutput();
if (out != null) {
buf.writeTo(out);
}
} else {
OutputStream os = con.getOutput();
if (os != null) {
codec.encode(request, os);
}
}
}
con.closeOutput();
return createResponsePacket(request, con);
} catch(WebServiceException wex) {
throw wex;
} catch(Exception ex) {
throw new WebServiceException(ex);
}
}
private Packet createResponsePacket(Packet request, HttpClientTransport con) throws IOException {
con.readResponseCodeAndMessage(); // throws IOE
recordCookies(request, con);
InputStream responseStream = con.getInput();
if (dump || LOGGER.isLoggable(Level.FINER)) {
ByteArrayBuffer buf = new ByteArrayBuffer();
if (responseStream != null) {
buf.write(responseStream);
responseStream.close();
}
dump(buf,"HTTP response - "+request.endpointAddress+" - "+con.statusCode, con.getHeaders());
responseStream = buf.newInputStream();
}
// Check if stream contains any data
int cl = con.contentLength;
InputStream tempIn = null;
if (cl == -1) { // No Content-Length header
tempIn = StreamUtils.hasSomeData(responseStream);
if (tempIn != null) {
responseStream = tempIn;
}
}
if (cl == 0 || (cl == -1 && tempIn == null)) {
if(responseStream != null) {
responseStream.close(); // No data, so close the stream
responseStream = null;
}
}
// Allows only certain http status codes for a binding. For all
// other status codes, throws exception
checkStatusCode(responseStream, con); // throws ClientTransportException
//To avoid zero-length chunk for One-Way
if (cl ==-1 && con.statusCode == 202 && "Accepted".equals(con.statusMessage) && responseStream != null) {
ByteArrayBuffer buf = new ByteArrayBuffer();
buf.write(responseStream); //What is within the responseStream?
responseStream.close();
responseStream = (buf.size()==0)? null : buf.newInputStream();
buf.close();
}
Packet reply = request.createClientResponse(null);
reply.wasTransportSecure = con.isSecure();
if (responseStream != null) {
String contentType = con.getContentType();
if (contentType != null && contentType.contains("text/html") && binding instanceof SOAPBinding) {
throw new ClientTransportException(ClientMessages.localizableHTTP_STATUS_CODE(con.statusCode, con.statusMessage));
}
codec.decode(responseStream, contentType, reply);
}
return reply;
}
/*
* Allows the following HTTP status codes.
* SOAP 1.1/HTTP - 200, 202, 500
* SOAP 1.2/HTTP - 200, 202, 400, 500
* XML/HTTP - all
*
* For all other status codes, it throws an exception
*/
private void checkStatusCode(InputStream in, HttpClientTransport con) throws IOException {
int statusCode = con.statusCode;
String statusMessage = con.statusMessage;
// SOAP1.1 and SOAP1.2 differ here
if (binding instanceof SOAPBinding) {
if (binding.getSOAPVersion() == SOAPVersion.SOAP_12) {
//In SOAP 1.2, Fault messages can be sent with 4xx and 5xx error codes
if (statusCode == HttpURLConnection.HTTP_OK || statusCode == HttpURLConnection.HTTP_ACCEPTED || isErrorCode(statusCode)) {
// acceptable status codes for SOAP 1.2
if (isErrorCode(statusCode) && in == null) {
// No envelope for the error, so throw an exception with http error details
throw new ClientTransportException(ClientMessages.localizableHTTP_STATUS_CODE(statusCode, statusMessage));
}
return;
}
} else {
// SOAP 1.1
if (statusCode == HttpURLConnection.HTTP_OK || statusCode == HttpURLConnection.HTTP_ACCEPTED || statusCode == HttpURLConnection.HTTP_INTERNAL_ERROR) {
// acceptable status codes for SOAP 1.1
if (statusCode == HttpURLConnection.HTTP_INTERNAL_ERROR && in == null) {
// No envelope for the error, so throw an exception with http error details
throw new ClientTransportException(ClientMessages.localizableHTTP_STATUS_CODE(statusCode, statusMessage));
}
return;
}
}
if (in != null) {
in.close();
}
throw new ClientTransportException(ClientMessages.localizableHTTP_STATUS_CODE(statusCode, statusMessage));
}
// Every status code is OK for XML/HTTP
}
private boolean isErrorCode(int code) {
//if(code/100 == 5/*Server-side error*/ || code/100 == 4 /*client error*/ ) {
return code == 500 || code == 400;
}
private void addCookies(Packet context, Map> reqHeaders) throws IOException {
Boolean shouldMaintainSessionProperty =
(Boolean) context.invocationProperties.get(BindingProvider.SESSION_MAINTAIN_PROPERTY);
if (shouldMaintainSessionProperty != null && !shouldMaintainSessionProperty) {
return; // explicitly turned off
}
if (sticky || (shouldMaintainSessionProperty != null && shouldMaintainSessionProperty)) {
Map> rememberedCookies = cookieJar.get(context.endpointAddress.getURI(), reqHeaders);
processCookieHeaders(reqHeaders, rememberedCookies, "Cookie");
processCookieHeaders(reqHeaders, rememberedCookies, "Cookie2");
}
}
private void processCookieHeaders(Map> requestHeaders, Map> rememberedCookies, String cookieHeader) {
List jarCookies = rememberedCookies.get(cookieHeader);
if (jarCookies != null && !jarCookies.isEmpty()) {
List resultCookies = mergeUserCookies(jarCookies, requestHeaders.get(cookieHeader));
requestHeaders.put(cookieHeader, resultCookies);
}
}
private List mergeUserCookies(List rememberedCookies, List userCookies) {
// nothing to merge
if (userCookies == null || userCookies.isEmpty()) {
return rememberedCookies;
}
Map map = new HashMap();
cookieListToMap(rememberedCookies, map);
cookieListToMap(userCookies, map);
return new ArrayList(map.values());
}
private void cookieListToMap(List cookieList, Map targetMap) {
for(String cookie : cookieList) {
int index = cookie.indexOf("=");
String cookieName = cookie.substring(0, index);
targetMap.put(cookieName, cookie);
}
}
private void recordCookies(Packet context, HttpClientTransport con) throws IOException {
Boolean shouldMaintainSessionProperty =
(Boolean) context.invocationProperties.get(BindingProvider.SESSION_MAINTAIN_PROPERTY);
if (shouldMaintainSessionProperty != null && !shouldMaintainSessionProperty) {
return; // explicitly turned off
}
if (sticky || (shouldMaintainSessionProperty != null && shouldMaintainSessionProperty)) {
cookieJar.put(context.endpointAddress.getURI(), con.getHeaders());
}
}
private void addBasicAuth(Packet context, Map> reqHeaders) {
String user = (String) context.invocationProperties.get(BindingProvider.USERNAME_PROPERTY);
if (user != null) {
String pw = (String) context.invocationProperties.get(BindingProvider.PASSWORD_PROPERTY);
if (pw != null) {
StringBuilder buf = new StringBuilder(user);
buf.append(":");
buf.append(pw);
String creds = DatatypeConverter.printBase64Binary(buf.toString().getBytes());
reqHeaders.put("Authorization", Collections.singletonList("Basic "+creds));
}
}
}
/*
* write SOAPAction header if the soapAction parameter is non-null or BindingProvider properties set.
* BindingProvider properties take precedence.
*/
private void writeSOAPAction(Map> reqHeaders, String soapAction) {
//dont write SOAPAction HTTP header for SOAP 1.2 messages.
if(SOAPVersion.SOAP_12.equals(binding.getSOAPVersion())) {
return;
}
if (soapAction != null) {
reqHeaders.put("SOAPAction", Collections.singletonList(soapAction));
} else {
reqHeaders.put("SOAPAction", Collections.singletonList("\"\""));
}
}
@Override
public void preDestroy() {
// nothing to do. Intentionally left empty.
}
@Override
public HttpTransportPipe copy(TubeCloner cloner) {
return new HttpTransportPipe(this,cloner);
}
private void dump(ByteArrayBuffer buf, String caption, Map> headers) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter pw = new PrintWriter(baos, true);
pw.println("---["+caption +"]---");
for (Entry> header : headers.entrySet()) {
if(header.getValue().isEmpty()) {
// I don't think this is legal, but let's just dump it,
// as the point of the dump is to uncover problems.
pw.println(header.getValue());
} else {
for (String value : header.getValue()) {
pw.println(header.getKey()+": "+value);
}
}
}
if (buf.size() > HttpAdapter.dump_threshold) {
byte[] b = buf.getRawData();
baos.write(b, 0, HttpAdapter.dump_threshold);
pw.println();
pw.println(WsservletMessages.MESSAGE_TOO_LONG(HttpAdapter.class.getName() + ".dumpTreshold"));
} else {
buf.writeTo(baos);
}
pw.println("--------------------");
String msg = baos.toString();
if (dump) {
System.out.println(msg);
}
if (LOGGER.isLoggable(Level.FINER)) {
LOGGER.log(Level.FINER, msg);
}
}
}