解析blob响应是否登录失效

RuoYi

2021-10-25 3901695a6f81e51b155a7b27209e915f2a0e478d

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

@@ -1,25 +1,24 @@
package com.ruoyi.gateway.filter;

import java.util.Arrays;
import javax.annotation.Resource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
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.domain.R;
import com.ruoyi.common.core.constant.HttpStatus;
import com.ruoyi.common.core.constant.SecurityConstants;
import com.ruoyi.common.core.constant.TokenConstants;
import com.ruoyi.common.core.utils.JwtUtils;
import com.ruoyi.common.core.utils.ServletUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.redis.service.RedisService;
import com.ruoyi.gateway.config.properties.IgnoreWhiteProperties;
import io.jsonwebtoken.Claims;
import reactor.core.publisher.Mono;

/**
@@ -32,59 +31,86 @@
{
    private static final Logger log = LoggerFactory.getLogger(AuthFilter.class);

    // 排除过滤的 uri 地址，swagger排除自行添加
    private static final String[] whiteList = { "/auth/login", "/code/v2/api-docs", "/schedule/v2/api-docs",
            "/system/v2/api-docs", "/csrf" };
    // 排除过滤的 uri 地址，nacos自行添加
    @Autowired
    private IgnoreWhiteProperties ignoreWhite;

    @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 (Arrays.asList(whiteList).contains(url))
        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(CacheConstants.LOGIN_TOKEN_KEY + token);
        if (StringUtils.isNull(userStr))
        Claims claims = JwtUtils.parseToken(token);
        if (claims == null)
        {
            return setUnauthorizedResponse(exchange, "令牌验证失败");
            return unauthorizedResponse(exchange, "令牌已过期或验证不正确！");
        }
        JSONObject obj = JSONObject.parseObject(userStr);
        String userid = obj.getString("userid");
        String username = obj.getString("username");
        if (StringUtils.isBlank(userid) || StringUtils.isBlank(username))
        String userkey = JwtUtils.getUserKey(claims);
        boolean islogin = redisService.hasKey(getTokenKey(userkey));
        if (!islogin)
        {
            return setUnauthorizedResponse(exchange, "令牌验证失败");
            return unauthorizedResponse(exchange, "登录状态已过期");
        }
        String userid = JwtUtils.getUserId(claims);
        String username = JwtUtils.getUserName(claims);
        if (StringUtils.isEmpty(userid) || StringUtils.isEmpty(username))
        {
            return unauthorizedResponse(exchange, "令牌验证失败");
        }

        // 设置用户信息到请求
        ServerHttpRequest mutableReq = exchange.getRequest().mutate().header(CacheConstants.DETAILS_USER_ID, userid)
                .header(CacheConstants.DETAILS_USERNAME, username).build();
        ServerWebExchange mutableExchange = exchange.mutate().request(mutableReq).build();
        
        return chain.filter(mutableExchange);
        addHeader(mutate, SecurityConstants.USER_KEY, userkey);
        addHeader(mutate, SecurityConstants.DETAILS_USER_ID, userid);
        addHeader(mutate, SecurityConstants.DETAILS_USERNAME, username);
        // 内部请求来源参数清除
        removeHeader(mutate, SecurityConstants.FROM_SOURCE);
        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);
        if (value == null)
        {
            return;
        }
        String valueStr = value.toString();
        String valueEncode = ServletUtils.urlEncode(valueStr);
        mutate.header(name, valueEncode);
    }

    private void removeHeader(ServerHttpRequest.Builder mutate, String name)
    {
        mutate.headers(httpHeaders -> httpHeaders.remove(name)).build();
    }

    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);
    }

        return response.writeWith(Mono.fromSupplier(() -> {
            DataBufferFactory bufferFactory = response.bufferFactory();
            return bufferFactory.wrap(JSON.toJSONBytes(R.fail(msg)));
        }));
    /**
     * 获取缓存key
     */
    private String getTokenKey(String token)
    {
        return CacheConstants.LOGIN_TOKEN_KEY + token;
    }

    /**
@@ -92,10 +118,11 @@
     */
    private String getToken(ServerHttpRequest request)
    {
        String token = request.getHeaders().getFirst(CacheConstants.HEADER);
        if (StringUtils.isNotEmpty(token) && token.startsWith(CacheConstants.TOKEN_PREFIX))
        String token = request.getHeaders().getFirst(TokenConstants.AUTHENTICATION);
        // 如果前端设置了令牌前缀，则裁剪掉前缀
        if (StringUtils.isNotEmpty(token) && token.startsWith(TokenConstants.PREFIX))
        {
            token = token.replace(CacheConstants.TOKEN_PREFIX, "");
            token = token.replaceFirst(TokenConstants.PREFIX, StringUtils.EMPTY);
        }
        return token;
    }