统一网关错误码响应

RuoYi

2021-07-29 7a35c474d6153189957422264b57df7ce1daed77

 ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/AuthFilter.java

@@ -7,19 +7,15 @@
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.core.io.buffer.DataBufferFactory;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.ruoyi.common.core.constant.CacheConstants;
import com.ruoyi.common.core.constant.Constants;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.constant.HttpStatus;
import com.ruoyi.common.core.utils.SecurityUtils;
import com.ruoyi.common.core.utils.ServletUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.redis.service.RedisService;
@@ -35,7 +31,7 @@
public class AuthFilter implements GlobalFilter, Ordered
{
    private static final Logger log = LoggerFactory.getLogger(AuthFilter.class);
    

    private final static long EXPIRE_TIME = Constants.TOKEN_EXPIRE * 60;

    // 排除过滤的 uri 地址，nacos自行添加
@@ -44,61 +40,68 @@

    @Resource(name = "stringRedisTemplate")
    private ValueOperations<String, String> sops;
    

    @Autowired
    private RedisService redisService;

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain)
    {
        String url = exchange.getRequest().getURI().getPath();
        ServerHttpRequest request = exchange.getRequest();
        ServerHttpRequest.Builder mutate = request.mutate();

        String url = request.getURI().getPath();
        // 跳过不需要验证的路径
        if (StringUtils.matches(url, ignoreWhite.getWhites()))
        {
            return chain.filter(exchange);
        }
        String token = getToken(exchange.getRequest());
        if (StringUtils.isBlank(token))
        String token = getToken(request);
        if (StringUtils.isEmpty(token))
        {
            return setUnauthorizedResponse(exchange, "令牌不能为空");
            return unauthorizedResponse(exchange, "令牌不能为空");
        }
        String userStr = sops.get(getTokenKey(token));
        if (StringUtils.isNull(userStr))
        if (StringUtils.isEmpty(userStr))
        {
            return setUnauthorizedResponse(exchange, "登录状态已过期");
            return unauthorizedResponse(exchange, "登录状态已过期");
        }
        JSONObject obj = JSONObject.parseObject(userStr);
        String userid = obj.getString("userid");
        String username = obj.getString("username");
        if (StringUtils.isBlank(userid) || StringUtils.isBlank(username))
        JSONObject cacheObj = JSONObject.parseObject(userStr);
        String userid = cacheObj.getString("userid");
        String username = cacheObj.getString("username");
        if (StringUtils.isEmpty(userid) || StringUtils.isEmpty(username))
        {
            return setUnauthorizedResponse(exchange, "令牌验证失败");
            return unauthorizedResponse(exchange, "令牌验证失败");
        }
        

        // 设置过期时间
        redisService.expire(getTokenKey(token), EXPIRE_TIME);
        // 设置用户信息到请求
        ServerHttpRequest mutableReq = exchange.getRequest().mutate().header(CacheConstants.DETAILS_USER_ID, userid)
                .header(CacheConstants.DETAILS_USERNAME, ServletUtils.urlEncode(username)).build();
        ServerWebExchange mutableExchange = exchange.mutate().request(mutableReq).build();

        return chain.filter(mutableExchange);
        addHeader(mutate, CacheConstants.DETAILS_USER_ID, userid);
        addHeader(mutate, CacheConstants.DETAILS_USERNAME, username);
        return chain.filter(exchange.mutate().request(mutate.build()).build());
    }

    private Mono<Void> setUnauthorizedResponse(ServerWebExchange exchange, String msg)
    private void addHeader(ServerHttpRequest.Builder mutate, String name, Object value)
    {
        ServerHttpResponse response = exchange.getResponse();
        response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
        response.setStatusCode(HttpStatus.OK);

        log.error("[鉴权异常处理]请求路径:{}", exchange.getRequest().getPath());

        return response.writeWith(Mono.fromSupplier(() -> {
            DataBufferFactory bufferFactory = response.bufferFactory();
            return bufferFactory.wrap(JSON.toJSONBytes(R.fail(HttpStatus.UNAUTHORIZED.value(), msg)));
        }));
        if (value == null)
        {
            return;
        }
        String valueStr = value.toString();
        String valueEncode = ServletUtils.urlEncode(valueStr);
        mutate.header(name, valueEncode);
    }

    private Mono<Void> unauthorizedResponse(ServerWebExchange exchange, String msg)
    {
        log.error("[鉴权异常处理]请求路径:{}", exchange.getRequest().getPath());
        return ServletUtils.webFluxResponseWriter(exchange.getResponse(), msg, HttpStatus.UNAUTHORIZED);
    }

    /**
     * 获取缓存key
     */
    private String getTokenKey(String token)
    {
        return CacheConstants.LOGIN_TOKEN_KEY + token;
@@ -109,12 +112,8 @@
     */
    private String getToken(ServerHttpRequest request)
    {
        String token = request.getHeaders().getFirst(CacheConstants.HEADER);
        if (StringUtils.isNotEmpty(token) && token.startsWith(CacheConstants.TOKEN_PREFIX))
        {
            token = token.replace(CacheConstants.TOKEN_PREFIX, "");
        }
        return token;
        String token = request.getHeaders().getFirst(CacheConstants.TOKEN_AUTHENTICATION);
        return SecurityUtils.replaceTokenPrefix(token);
    }

    @Override