HttpServletHelper.java

package com.tanpu.community.util;

import com.tanpu.common.redis.RedisHelper;
import com.tanpu.community.api.constants.RedisKeyConstant;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpCookie;
import org.springframework.stereotype.Service;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.annotation.Resource;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;
import java.util.Optional;

/**
 * @Description TODO
 * @Author wangyalei
 * @Date 2021/9/23 下午8:31
 **/
@Slf4j
@Service
public class HttpServletHelper {
    @Resource
    private RedisHelper redisHelper;

    public String getCurrentUserId() {
        String userId = null;
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest();
        String clientEnv = request.getHeader(RedisKeyConstant.ENV);
        if (isAndroid(clientEnv) || isIOS(clientEnv) || isPc(clientEnv) || isMiniProgram(clientEnv)) {
            // android，ios，pc，小程序用token
            String token = request.getHeader(RedisKeyConstant.TAMP_TOKEN);
            // redis获取的value,都带有 ""，这里去掉
            userId = StringUtils.remove(redisHelper.get(RedisKeyConstant.REDIS_PREFIX_TOKEN + token), "\"");
        } else {
            // 用cookie
            Cookie[] cookies = request.getCookies();
            if (cookies != null) {
                Optional<Cookie> first = Arrays.stream(request.getCookies())
                        .filter(cookie -> StringUtils.equalsIgnoreCase(RedisKeyConstant.SESSION_COOKIE_NAME, cookie.getName()))
                        .findFirst();
                if (first.isPresent()) {
                    userId = first.get().getValue();
                }
            }
        }
        log.debug("当前登录用户Id: {}", userId);
        return userId;
    }

    public static boolean isAndroid(String clientEnv) {
        return "android".equalsIgnoreCase(clientEnv);
    }

    public static boolean isIOS(String clientEnv) {
        return "ios".equalsIgnoreCase(clientEnv);
    }

    public static boolean isPc(String clientEnv) {
        return "pc".equalsIgnoreCase(clientEnv);
    }

    public static boolean isMiniProgram(String clientEnv) {
        return "xcx".equalsIgnoreCase(clientEnv);
    }
}