This commit is contained in:
Rossen Stoyanchev 2019-03-12 15:58:25 -04:00
parent 9f617be909
commit 2d4247b2da
1 changed files with 23 additions and 12 deletions

View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2018 the original author or authors.
* Copyright 2002-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -31,23 +31,24 @@ import org.springframework.util.StringUtils;
import org.springframework.web.reactive.socket.HandshakeInfo;
import org.springframework.web.reactive.socket.WebSocketHandler;
import org.springframework.web.reactive.socket.WebSocketSession;
import org.springframework.web.reactive.socket.adapter.NettyWebSocketSessionSupport;
import org.springframework.web.reactive.socket.adapter.ReactorNettyWebSocketSession;
/**
* {@link WebSocketClient} implementation for use with Reactor Netty.
*
* @author Rossen Stoyanchev
* @author Usman Arshad
* @since 5.0
*/
public class ReactorNettyWebSocketClient implements WebSocketClient {
private static final Log logger = LogFactory.getLog(ReactorNettyWebSocketClient.class);
private int maxFramePayloadLength = 65536;
private int maxFramePayloadLength = NettyWebSocketSessionSupport.DEFAULT_FRAME_MAX_SIZE;
private final HttpClient httpClient;
/**
* Default constructor.
*/
@ -72,19 +73,28 @@ public class ReactorNettyWebSocketClient implements WebSocketClient {
}
/**
* Return the configured maxFramePayloadLength used by the configured {@link HttpClient}.
* Default value of 65536 if not set.
* Configure the maximum allowable frame payload length. Setting this value
* to your application's requirement may reduce denial of service attacks
* using long data frames.
* <p>Corresponds to the argument with the same name in the constructor of
* {@link io.netty.handler.codec.http.websocketx.WebSocketServerHandshakerFactory
* WebSocketServerHandshakerFactory} in Netty.
* <p>By default set to 65536 (64K).
* @param maxFramePayloadLength the max length for frames.
* @since 5.2
*/
public void setMaxFramePayloadLength(int maxFramePayloadLength) {
this.maxFramePayloadLength = maxFramePayloadLength;
}
/**
* Return the configured {@link #setMaxFramePayloadLength(int) maxFramePayloadLength}.
* @since 5.2
*/
public int getMaxFramePayloadLength() {
return maxFramePayloadLength;
}
/**
* Sets the maxFramePayloadLength to be used by the configured {@link HttpClient}.
*/
public void setMaxFramePayloadLength(int maxFramePayloadLength) {
this.maxFramePayloadLength = maxFramePayloadLength;
}
@Override
public Mono<Void> execute(URI url, WebSocketHandler handler) {
@ -93,9 +103,10 @@ public class ReactorNettyWebSocketClient implements WebSocketClient {
@Override
public Mono<Void> execute(URI url, HttpHeaders requestHeaders, WebSocketHandler handler) {
String protocols = StringUtils.collectionToCommaDelimitedString(handler.getSubProtocols());
return getHttpClient()
.headers(nettyHeaders -> setNettyHeaders(requestHeaders, nettyHeaders))
.websocket(StringUtils.collectionToCommaDelimitedString(handler.getSubProtocols()), getMaxFramePayloadLength())
.websocket(protocols, getMaxFramePayloadLength())
.uri(url.toString())
.handle((inbound, outbound) -> {
HttpHeaders responseHeaders = toHttpHeaders(inbound);