/* * JBoss, Home of Professional Open Source. * Copyright 2014 Red Hat, Inc., and individual contributors * as indicated by the @author tags. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package io.undertow.websockets.core.protocol.version13; import io.undertow.util.Headers; import io.undertow.websockets.core.WebSocketChannel; import io.undertow.websockets.core.WebSocketVersion; import io.undertow.websockets.core.protocol.version07.Hybi07Handshake; import io.undertow.websockets.extensions.CompositeExtensionFunction; import io.undertow.websockets.extensions.ExtensionFunction; import io.undertow.websockets.spi.WebSocketHttpExchange; import org.xnio.IoUtils; import io.undertow.connector.ByteBufferPool; import org.xnio.StreamConnection; import java.security.NoSuchAlgorithmException; import java.util.Collections; import java.util.List; import java.util.Set; /** * The handshaking protocol implementation for Hybi-13. * * @author Mike Brock * @author Stuart Douglas */ public class Hybi13Handshake extends Hybi07Handshake { public Hybi13Handshake() { super(WebSocketVersion.V13, Collections.<String>emptySet(), false); } public Hybi13Handshake(Set<String> subprotocols, boolean allowExtensions) { super(WebSocketVersion.V13, subprotocols, allowExtensions); } @Override protected void handshakeInternal(final WebSocketHttpExchange exchange) { String origin = exchange.getRequestHeader(Headers.ORIGIN_STRING); if (origin != null) { exchange.setResponseHeader(Headers.ORIGIN_STRING, origin); } selectSubprotocol(exchange); selectExtensions(exchange); exchange.setResponseHeader(Headers.SEC_WEB_SOCKET_LOCATION_STRING, getWebSocketLocation(exchange)); final String key = exchange.getRequestHeader(Headers.SEC_WEB_SOCKET_KEY_STRING); try { final String solution = solve(key); exchange.setResponseHeader(Headers.SEC_WEB_SOCKET_ACCEPT_STRING, solution); performUpgrade(exchange); } catch (NoSuchAlgorithmException e) { IoUtils.safeClose(exchange); exchange.endExchange(); return; } } @Override public WebSocketChannel createChannel(WebSocketHttpExchange exchange, final StreamConnection channel, final ByteBufferPool pool) { List<ExtensionFunction> extensionFunctions = initExtensions(exchange); return new WebSocket13Channel(channel, pool, getWebSocketLocation(exchange), exchange.getResponseHeader(Headers.SEC_WEB_SOCKET_PROTOCOL_STRING), false, !extensionFunctions.isEmpty(), CompositeExtensionFunction.compose(extensionFunctions), exchange.getPeerConnections(), exchange.getOptions()); } }