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spring stomp over websocket subscribebemapping不工作

stomp kotlin websocket spring

instantaphex · 技术社区 · 6 年前

我正在尝试在一个spring boot应用程序中为stomp over websockets配置订阅映射,但没有成功。我相当确信我已经正确地配置了stomp/websocket内容,因为我能够订阅由kafka消费者发布的主题,但是使用@subscribemapping根本不起作用。

这是我的控制器

@Controller
class TestController {
    @SubscribeMapping("/topic/test")
    fun testMapping(): String {
        return "THIS IS A TEST"
    }
}

这是我的配置

@Configuration
@EnableWebSocketMessageBroker
@Order(Ordered.HIGHEST_PRECEDENCE + 99)
class WebSocketConfig : AbstractWebSocketMessageBrokerConfigurer() {

    override fun configureMessageBroker(config: MessageBrokerRegistry) {
        config.setApplicationDestinationPrefixes("/app", "/topic")
        config.enableSimpleBroker("/queue", "/topic")
        config.setUserDestinationPrefix("/user")
    }

    override fun registerStompEndpoints(registry:StompEndpointRegistry) {
        registry.addEndpoint("/ws").setAllowedOrigins("*")
    }

    override fun configureClientInboundChannel(registration: ChannelRegistration?) {
        registration?.setInterceptors(object: ChannelInterceptorAdapter() {
            override fun preSend(message: Message<*>, channel: MessageChannel): Message<*> {
                val accessor: StompHeaderAccessor = MessageHeaderAccessor.getAccessor(message, StompHeaderAccessor::class.java)
                if (StompCommand.CONNECT.equals(accessor.command)) {
                    Optional.ofNullable(accessor.getNativeHeader("authorization")).ifPresent {
                        val token = it[0]
                        val keyReader = KeyReader()
                        val creds = Jwts.parser().setSigningKey(keyReader.key).parseClaimsJws(token).body
                        val groups = creds.get("groups", List::class.java)
                        val authorities = groups.map { SimpleGrantedAuthority(it as String) }
                        val authResult = UsernamePasswordAuthenticationToken(creds.subject, token, authorities)
                        SecurityContextHolder.getContext().authentication = authResult
                        accessor.user = authResult
                    }
                }
                return message
            }
        })
    }
}

然后在ui代码中,我使用angular和stompjs包装器订阅它,如下所示:

this.stompService.subscribe('/topic/test')
      .map(data => data.body)
      .subscribe(data => console.log(data));

订阅这样的主题,我知道是发射数据的完美工作,但订阅映射什么也不做。我还尝试向websocket配置中添加一个事件侦听器,以测试ui是否正在向后端发送订阅事件,如下所示:

    @EventListener
    fun handleSubscribeEvent(event: SessionSubscribeEvent) {
        println("Subscription event: $event")
    }

    @EventListener
    fun handleConnectEvent(event: SessionConnectEvent) {
        println("Connection event: $event")
    }

    @EventListener
    fun handleDisconnectEvent(event: SessionDisconnectEvent) {
        println("Disconnection event: $event")
    }

添加这些事件监听器,我可以看到我期望从ui得到的所有事件都在kotlin层中通过,但是我的controller方法从未被调用。有什么明显的我遗漏了吗?

1 回复 | 直到 6 年前

rieckpil 6 年前

请尝试以下操作:

@Controller
class TestController {

    @SubscribeMapping("/test")
    fun testMapping(): String {
        return "THIS IS A TEST"
    }
}