package io.dataease.websocket.handler;

import io.dataease.websocket.entity.DePrincipal;
import org.apache.commons.lang3.StringUtils;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServletServerHttpRequest;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.server.support.DefaultHandshakeHandler;

import javax.servlet.http.HttpServletRequest;
import java.security.Principal;
import java.util.Map;

public class PrincipalHandshakeHandler extends DefaultHandshakeHandler {

    @Override
    protected Principal determineUser(ServerHttpRequest request, WebSocketHandler wsHandler, Map<String, Object> attributes) {
        if (request instanceof ServletServerHttpRequest) {
            ServletServerHttpRequest servletServerHttpRequest = (ServletServerHttpRequest) request;
            HttpServletRequest httpRequest = servletServerHttpRequest.getServletRequest();
            final String userId = httpRequest.getParameter("userId");
            if (StringUtils.isEmpty(userId)) {
                return null;
            }
            return new DePrincipal(userId);
        }
        return null;
    }
}