如何在websocket open方法中获取当前用户的ID? [英] how to get id of current user in websocket open method?
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问题描述
我试图在 websocket 的 open 方法中获取用户 ID,为此我使用了 shiro,但我的主题为 null,这是我的方法:
I am trying to get user id in open method of websocket, and for this I am using shiro, but I get null for Subject,Here is my method:
@OnOpen
public void open(final Session session, @PathParam("room") final String room) {
Subject currentUser = SecurityUtils.getSubject();
long id = currentUser.getPrincipals().oneByType(model.Users.class)
.getId();
log.info("session openend and bound to room: " + room);
session.getUserProperties().put("user", id);
}
有人知道我应该做什么吗?
Does anybody have any idea what I should do?
推荐答案
解决了一天后,我把open方法的class改成了这样:
After a day I solved it, I changed class of open method to this:
@ServerEndpoint(value = "/chat/{room}", configurator = GetHttpSessionConfigurator.class, encoders = ChatMessageEncoder.class, decoders = ChatMessageDecoder.class)
public class ChatEndpoint {
private final Logger log = Logger.getLogger(getClass().getName());
@OnOpen
public void open(final Session session,
@PathParam("room") final String room, EndpointConfig config) {
log.info("session openend and bound to room: " + room);
Principal userPrincipal = (Principal) config.getUserProperties().get(
"UserPrincipal");
String user=null;
try {
user = (String) userPrincipal.getName();
} catch (Exception e) {
e.printStackTrace();
}
session.getUserProperties().put("user", user);
System.out.println("!!!!!!!! "+user);
}}
和 GetHttpSessionConfigurator 类:
and GetHttpSessionConfigurator class:
public class GetHttpSessionConfigurator extends
ServerEndpointConfig.Configurator {
@Override
public void modifyHandshake(ServerEndpointConfig config,
HandshakeRequest request, HandshakeResponse response) {
config.getUserProperties().put("UserPrincipal",request.getUserPrincipal());
config.getUserProperties().put("userInRole", request.isUserInRole("someRole"));
}}
并从 Principal 实现我的用户模型并覆盖 getName() 方法以获取 id:
and Implement my user model from Principal and override getName() method to get id:
@Override
public String getName() {
String id=Long.toString(getId());
return id;
}
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