org.eclipse.jetty.websocket.client.ClientUpgradeRequest Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995-2021 Mort Bay Consulting Pty Ltd and others.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.websocket.client;
import java.net.CookieStore;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Base64;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;
import org.eclipse.jetty.client.HttpClient;
import org.eclipse.jetty.http.HttpField;
import org.eclipse.jetty.http.HttpFields;
import org.eclipse.jetty.util.MultiMap;
import org.eclipse.jetty.util.StringUtil;
import org.eclipse.jetty.util.UrlEncoded;
import org.eclipse.jetty.websocket.api.extensions.ExtensionConfig;
import org.eclipse.jetty.websocket.common.UpgradeRequestAdapter;
/**
* Allowing a generate from a UpgradeRequest
*/
public class ClientUpgradeRequest extends UpgradeRequestAdapter
{
private static final Set FORBIDDEN_HEADERS;
static
{
// Headers not allowed to be set in ClientUpgradeRequest.headers.
FORBIDDEN_HEADERS = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
// Cookies are handled explicitly, avoid to add them twice.
FORBIDDEN_HEADERS.add("cookie");
// Headers that cannot be set by applications.
FORBIDDEN_HEADERS.add("upgrade");
FORBIDDEN_HEADERS.add("host");
FORBIDDEN_HEADERS.add("connection");
FORBIDDEN_HEADERS.add("sec-websocket-key");
FORBIDDEN_HEADERS.add("sec-websocket-extensions");
FORBIDDEN_HEADERS.add("sec-websocket-accept");
FORBIDDEN_HEADERS.add("sec-websocket-protocol");
FORBIDDEN_HEADERS.add("sec-websocket-version");
FORBIDDEN_HEADERS.add("pragma");
FORBIDDEN_HEADERS.add("cache-control");
}
private final String key;
private Object localEndpoint;
private long timeout;
public ClientUpgradeRequest()
{
super();
this.key = genRandomKey();
}
protected ClientUpgradeRequest(URI requestURI)
{
super(requestURI);
this.key = genRandomKey();
}
public ClientUpgradeRequest(WebSocketUpgradeRequest wsRequest)
{
this(wsRequest.getURI());
// cookies
this.setCookies(wsRequest.getCookies());
// headers
Map> headers = new HashMap<>();
HttpFields fields = wsRequest.getHeaders();
for (HttpField field : fields)
{
String key = field.getName();
List values = headers.get(key);
if (values == null)
{
values = new ArrayList<>();
}
values.addAll(Arrays.asList(field.getValues()));
headers.put(key, values);
// sub protocols
if (key.equalsIgnoreCase("Sec-WebSocket-Protocol"))
{
for (String subProtocol : field.getValue().split(","))
{
setSubProtocols(subProtocol);
}
}
// extensions
if (key.equalsIgnoreCase("Sec-WebSocket-Extensions"))
{
for (ExtensionConfig ext : ExtensionConfig.parseList(field.getValues()))
{
addExtensions(ext);
}
}
}
super.setHeaders(headers);
// sessions
setHttpVersion(wsRequest.getVersion().toString());
setMethod(wsRequest.getMethod());
}
private final String genRandomKey()
{
byte[] bytes = new byte[16];
ThreadLocalRandom.current().nextBytes(bytes);
return Base64.getEncoder().encodeToString(bytes);
}
public String getKey()
{
return key;
}
/**
* @param cookieStore the cookie store to use
* @deprecated use either {@link WebSocketClient#setCookieStore(CookieStore)} or {@link HttpClient#setCookieStore(CookieStore)} instead
*/
@Deprecated
public void setCookiesFrom(CookieStore cookieStore)
{
throw new UnsupportedOperationException("Request specific CookieStore no longer supported");
}
@Override
public void setRequestURI(URI uri)
{
super.setRequestURI(uri);
// parse parameter map
Map> pmap = new HashMap<>();
String query = uri.getRawQuery();
if (StringUtil.isNotBlank(query))
{
MultiMap params = new MultiMap<>();
UrlEncoded.decodeTo(query, params, StandardCharsets.UTF_8);
for (String key : params.keySet())
{
List values = params.getValues(key);
if (values == null)
{
pmap.put(key, new ArrayList<>());
}
else
{
// break link to original
List copy = new ArrayList<>();
copy.addAll(values);
pmap.put(key, copy);
}
}
super.setParameterMap(pmap);
}
}
/**
* @param timeout the total timeout for the request/response conversation of the WebSocket handshake;
* use zero or a negative value to disable the timeout
* @param unit the timeout unit
*/
public void setTimeout(long timeout, TimeUnit unit)
{
this.timeout = unit.toMillis(timeout);
}
/**
* @return the total timeout for this request, in milliseconds;
* zero or negative if the timeout is disabled
*/
public long getTimeout()
{
return timeout;
}
public void setLocalEndpoint(Object websocket)
{
this.localEndpoint = websocket;
}
public Object getLocalEndpoint()
{
return localEndpoint;
}
}