LocationWebSocketHandshakeInterceptor.java
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package com.diligrp.rider.websocket;
import com.diligrp.rider.common.exception.BizException;
import com.diligrp.rider.config.JwtUtil;
import com.diligrp.rider.entity.Substation;
import com.diligrp.rider.mapper.SubstationMapper;
import io.jsonwebtoken.Claims;
import lombok.RequiredArgsConstructor;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.http.server.ServletServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.server.HandshakeInterceptor;
import java.util.Map;
@Component
@RequiredArgsConstructor
public class LocationWebSocketHandshakeInterceptor implements HandshakeInterceptor {
private final JwtUtil jwtUtil;
private final SubstationMapper substationMapper;
@Override
public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response,
WebSocketHandler wsHandler, Map<String, Object> attributes) {
if (!(request instanceof ServletServerHttpRequest servletRequest)) {
return false;
}
String token = servletRequest.getServletRequest().getParameter("token");
if (!StringUtils.hasText(token)) {
token = request.getHeaders().getFirst("Authorization");
}
if (!StringUtils.hasText(token)) {
throw new BizException(700, "请先登录");
}
if (token.startsWith("Bearer ")) {
token = token.substring(7);
}
Claims claims = jwtUtil.getAdminClaims(token);
Object adminIdObj = claims.get("adminId");
String role = claims.get("role", String.class);
if (!(adminIdObj instanceof Number) || !StringUtils.hasText(role)) {
throw new BizException(700, "登录状态失效，请重新登录");
}
Long cityId;
Long adminId = ((Number) adminIdObj).longValue();
if ("substation".equals(role)) {
Substation substation = substationMapper.selectById(adminId);
if (substation == null || substation.getCityId() == null) {
throw new BizException(700, "分站信息不存在");
}
cityId = substation.getCityId();
} else if ("admin".equals(role)) {
String cityIdText = servletRequest.getServletRequest().getParameter("cityId");
if (!StringUtils.hasText(cityIdText)) {
throw new BizException(400, "管理员连接WebSocket时必须传cityId");
}
cityId = Long.parseLong(cityIdText);
} else {
throw new BizException(403, "当前角色无权订阅位置推送");
}
attributes.put("adminId", adminId);
attributes.put("role", role);
attributes.put("cityId", cityId);
return true;
}
@Override
public void afterHandshake(ServerHttpRequest request, ServerHttpResponse response,
WebSocketHandler wsHandler, Exception exception) {
}
}