我有一个使用 spring boot 1.0.0.RC5 和 tomcat 8.0.3 的 Web 套接字（ws）非安全实现应用程序的工作示例。
现在我想切换到 wss，即使用我自己的自签名证书，该证书已由 tomcat 加载。
这个问题有两部分，一是理论，一是实践：
理论 => 我需要让 tomcat 监听两个端口吗？即在 http 和 https 上。我问这个问题的原因是因为我读到在 Web 套接字通信期间，连接的第一部分是通过 http 建立的，然后有所谓的“升级”到 Web 套接字。我正在发布我的测试示例
GET /hello HTTP/1.1
Host: 127.0.0.5:8080
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:28.0) Gecko/20100101 Firefox/28.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en,en-gb;q=0.5
Accept-Encoding: gzip, deflate
DNT: 1
Sec-WebSocket-Version: 13
Origin: http://localhost:8080
Sec-WebSocket-Key: wIKSOMgaHbEmkaRuEHZ6IA==
Connection: keep-alive, Upgrade
Pragma: no-cache
Cache-Control: no-cache
Upgrade: websocket
HTTP/1.1 101 Switching Protocols
Server: Apache-Coyote/1.1
Upgrade: websocket
Connection: upgrade
Sec-WebSocket-Accept: 8trj6dyzlYdDUA3nAuwiM7SijRM=
Date: Mon, 31 Mar 2014 10:29:19 GMT
..,O.do..*i..nM,..\;..I=.
C!.U.~.U....I....-..Xu.T...H...T.E.d
.'
CONNECTED
heart-beat:0,0
version:1.1
.
.....]..M...F...f9..z?...9..{4..{4..5r...4..h/..{4..|W..
通过 wss 进行的通信会是什么样子？我们是否也有“升级”部分，如果有的话，在这种情况下我们需要 http 才能使该结构正常工作。
实用=>我面临的问题是负责创建stomp消息的代码部分不起作用，即当我打开页面时
https://127.0.0.5:8888/wsTest
火狐告诉我
“此连接不受信任”，然后我告诉 Firefox“我了解风险”并将证书添加为“安全异常”。从那时起，证书将存储在 Firefox“服务器”选项卡下。
到现在为止一切都好。然而，当我切换到 wss 时，这个游戏无法像我预期的那样工作。即这是在客户端创建套接字的函数。
function connect() {
var socket = new WebSocket("wss://127.0.0.5:8888/hello");
stompClient = Stomp.over(socket);
stompClient.connect({}, function(frame) {
setConnected(true);
console.log('Connected: ' + frame);
stompClient.subscribe('/topic/greetings', function(greeting){
showGreeting(JSON.parse(greeting.body).content);
});
});
}
如果我改变线路
var socket = new WebSocket("wss://127.0.0.5:8888/hello");
到 http 版本，即
var socket = new WebSocket("ws://127.0.0.5:8080/hello");
然后一切又恢复正常了。问题似乎出在线路上
stompClient.connect({}, function(frame) {
但是根据这个错误注释（https://jira.spring.io/browse/SPR-11436 https://jira.spring.io/browse/SPR-11436）这应该是正确的行
我已经使用以下命令生成了证书：
keytool -genkey -alias tomcat -keyalg RSA -keystore /home/tito/Projects/syncServer/Server/certificate/sync.keystore
服务器端：
@Configuration
public class TomcatEmbeded extends SpringServletContainerInitializer {
final int http_port = 8080;
final int https_port = 8888;
final String keystoreFile = "/home/tito/Projects/syncServer/Server/certificate/sync.keystore";
final String keystorePass = "changeit";
final String keystoreType = "JKS";
final String keystoreProvider = "SUN";
final String keystoreAlias = "tomcat";
final String https_scheme = "https";
final String http_scheme = "http";
@Bean
public EmbeddedServletContainerFactory servletContainer() {
TomcatEmbeddedServletContainerFactory factory = new TomcatEmbeddedServletContainerFactory(http_port);
factory.setTomcatContextCustomizers(
Arrays.asList (
new TomcatContextCustomizer[]{
tomcatContextCustomizer()
}
)
);
factory.addConnectorCustomizers( new TomcatConnectorCustomizer() {
@Override
public void customize(Connector con) {
Http11NioProtocol proto = (Http11NioProtocol) con.getProtocolHandler();
try {
con.setPort(https_port);
con.setSecure(true);
con.setScheme("https");
con.setAttribute("keyAlias", keystoreAlias);
con.setAttribute("keystorePass", keystorePass.toString());
try {
con.setAttribute("keystoreFile", ResourceUtils.getFile(keystoreFile).getAbsolutePath());
} catch (FileNotFoundException e) {
throw new IllegalStateException("Cannot load keystore", e);
}
con.setAttribute("clientAuth", "false");
con.setAttribute("sslProtocol", "TLS");
con.setAttribute("SSLEnabled", true);
proto.setSSLEnabled(true);
proto.setKeystoreFile(keystoreFile);
proto.setKeystorePass(keystorePass);
proto.setKeystoreType(keystoreType);
proto.setProperty("keystoreProvider", keystoreProvider.toString());
proto.setKeyAlias(keystoreAlias);
} catch (Exception ex) {
throw new IllegalStateException("can't access keystore: [" + "keystore"
+ "] or truststore: [" + "keystore" + "]", ex);
}
System.out.println("INIT HTTPS");
}
}
);
factory.addAdditionalTomcatConnectors(httpConnector());
// factory.addErrorPages(new ErrorPage(HttpStatus.404, "/notfound.html");
System.out.println("TOMCAT CUSTOME SETTINGS INITILIZED");
return factory;
}
private Connector httpConnector() {
Connector connector = new Connector();
connector.setScheme(this.http_scheme);
connector.setSecure(true);
connector.setPort(this.http_port);
System.out.println("INIT port HTTP");
return connector;
}
@Bean
public TomcatContextCustomizer tomcatContextCustomizer() {
System.out.println("TOMCATCONTEXTCUSTOMIZER INITILIZED");
return new TomcatContextCustomizer() {
@Override
public void customize(Context context) {
// TODO Auto-generated method stub
context.addServletContainerInitializer(new WsSci(), null);
}
};
}
这是网络套接字配置部分
@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
@Override
public void configureMessageBroker(MessageBrokerRegistry config) {
config.enableSimpleBroker("/topic");
config.setApplicationDestinationPrefixes("/app");
}
@Override
public void registerStompEndpoints(StompEndpointRegistry registry) {
registry.addEndpoint("/hello");
}
@Override
public void configureClientInboundChannel(ChannelRegistration channelRegistration) {
}
@Override
public void configureClientOutboundChannel(ChannelRegistration channelRegistration) {
}
@Override
public boolean configureMessageConverters(List<MessageConverter> arg0) {
return true;
}
Firefox 调试控制台上看到的其他消息
Use of getUserData() or setUserData() is deprecated. Use WeakMap or element.dataset instead. requestNotifier.js:64
"Opening Web Socket..." stomp.js:130
Firefox can't establish a connection to the server at wss://127.0.0.5:8888/hello. wsTest:18
"Whoops! Lost connection to wss://127.0.0.5:8888/hello" stomp.js:130
这是 html 页面的完整版本
<!DOCTYPE html>
<html>
<head>
<title>Hello WebSocket</title>
<script src="/js/stomp.js"></script>
<script type="text/javascript">
var stompClient = null;
function setConnected(connected) {
document.getElementById('connect').disabled = connected;
document.getElementById('disconnect').disabled = !connected;
document.getElementById('conversationDiv').style.visibility = connected ? 'visible' : 'hidden';
document.getElementById('response').innerHTML = '';
}
function connect() {
var socket = new WebSocket("wss://127.0.0.5:8888/hello");
stompClient = Stomp.over(socket);
// stompClient.connect('tito', 'password', function(frame) {
stompClient.connect({}, function(frame) {
setConnected(true);
console.log('Connected: ' + frame);
stompClient.subscribe('/topic/greetings', function(greeting){
showGreeting(JSON.parse(greeting.body).content);
});
});
}
function disconnect() {
stompClient.disconnect();
setConnected(false);
console.log("Disconnected");
}
function sendName() {
var name = document.getElementById('name').value;
stompClient.send("/app/hello", {}, JSON.stringify({ 'name': name }));
}
function showGreeting(message) {
var response = document.getElementById('response');
var p = document.createElement('p');
p.style.wordWrap = 'break-word';
p.appendChild(document.createTextNode(message));
response.appendChild(p);
}
</script>
</head>
<body>
<noscript><h2 style="color: #ff0000">Seems your browser doesn't support Javascript! Websocket relies on Javascript being enabled. Please enable
Javascript and reload this page!</h2></noscript>
<div>
<div>
<button id="connect" onclick="connect();">Connect</button>
<button id="disconnect" disabled="disabled" onclick="disconnect();">Disconnect</button>
</div>
<div id="conversationDiv">
<label>What is your name?</label><input type="text" id="name" />
<button id="sendName" onclick="sendName();">Send</button>
<p id="response"></p>
</div>
</div>
</body>
</html>
使用的stomp脚本版本是“//由CoffeeScript 1.6.3生成”
这是证书的生成方式
$ keytool -genkey -alias tomcat -keyalg RSA -keystore /home/tito/Projects/syncServer/Server/certificate/sync.keystore
Enter keystore password:
Re-enter new password:
What is your first and last name?
[Unknown]: TestFirstName
What is the name of your organizational unit?
[Unknown]: TestOrganizationalUnitName
What is the name of your organization?
[Unknown]: TestOrganization
What is the name of your City or Locality?
[Unknown]: TestCity
What is the name of your State or Province?
[Unknown]: TestState
What is the two-letter country code for this unit?
[Unknown]: BG
Is CN=TestFirstName, OU=TestOrganizationalUnitName, O=TestOrganization, L=TestCity, ST=TestState, C=BG correct?
[no]: yes
Enter key password for <tomcat>
(RETURN if same as keystore password):
另外：我还注意到，如果我打电话，网络套接字正在工作
https://127.0.0.5:8888/wsTest
但如果我打电话就不工作
https://localhost:8888/wsTest
但是我仍然没有找到为什么会发生这种情况。此行为与 Chrome 和 Firefox 相同。
