[代码完善](v2.5): v2.5 beta Token 自动续期

Security Token 代码优化 与 Token 自动续期
可在 dev.yml 和 prod.yml 中管理

详情：https://www.ydyno.com/archives/1225.html

eladmin-common/src/main/java/me/zhengjie/utils/RedisUtils.java

@@ -58,6 +58,24 @@ public class RedisUtils {
         return true;
     }
 
+    /**
+     * 指定缓存失效时间
+     * @param key  键
+     * @param time 时间(秒)
+     * @param timeUnit 单位
+     */
+    public boolean expire(String key, long time, TimeUnit timeUnit) {
+        try {
+            if (time > 0) {
+                redisTemplate.expire(key, time, timeUnit);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            return false;
+        }
+        return true;
+    }
+
     /**
      * 根据 key 获取过期时间
      * @param key 键 不能为null

eladmin-system/src/main/java/me/zhengjie/modules/security/config/SecurityProperties.java

@@ -18,7 +18,6 @@ package me.zhengjie.modules.security.config;
 import lombok.Data;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.stereotype.Component;
 
 /**
  * Jwt参数配置
@@ -48,6 +47,12 @@ public class SecurityProperties {
     /** 验证码 key */
     private String codeKey;
 
+    /** token 续期检查 */
+    private Long detect;
+
+    /** 续期时间 */
+    private Long renew;
+
     public String getTokenStartWith() {
         return tokenStartWith + " ";
     }

eladmin-system/src/main/java/me/zhengjie/modules/security/security/TokenFilter.java

@@ -50,16 +50,18 @@ public class TokenFilter extends GenericFilterBean {
       String requestRri = httpServletRequest.getRequestURI();
       // 验证 token 是否存在
       OnlineUserDto onlineUserDto = null;
-      try {
       SecurityProperties properties = SpringContextHolder.getBean(SecurityProperties.class);
+      try {
          OnlineUserService onlineUserService = SpringContextHolder.getBean(OnlineUserService.class);
          onlineUserDto = onlineUserService.getOne(properties.getOnlineKey() + token);
       } catch (ExpiredJwtException e) {
          log.error(e.getMessage());
       }
-      if (onlineUserDto != null && StringUtils.hasText(token) && tokenProvider.validateToken(token)) {
+      if (onlineUserDto != null && StringUtils.hasText(token)) {
          Authentication authentication = tokenProvider.getAuthentication(token);
          SecurityContextHolder.getContext().setAuthentication(authentication);
+         // Token 续期
+         tokenProvider.checkRenewal(token);
          log.debug("set Authentication to security context for '{}', uri: {}", authentication.getName(), requestRri);
       } else {
          log.debug("no valid JWT token found, uri: {}", requestRri);

eladmin-system/src/main/java/me/zhengjie/modules/security/security/TokenProvider.java

@@ -15,6 +15,8 @@
  */
 package me.zhengjie.modules.security.security;
 
+import cn.hutool.core.date.DateField;
+import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.ObjectUtil;
 import io.jsonwebtoken.*;
 import io.jsonwebtoken.io.Decoders;
@@ -22,6 +24,7 @@ import io.jsonwebtoken.security.Keys;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import me.zhengjie.modules.security.config.SecurityProperties;
+import me.zhengjie.utils.RedisUtils;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.Authentication;
@@ -35,6 +38,7 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Date;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
 /**
@@ -46,6 +50,7 @@ import java.util.stream.Collectors;
 public class TokenProvider implements InitializingBean {
 
    private final SecurityProperties properties;
+   private final RedisUtils redisUtils;
    private static final String AUTHORITIES_KEY = "auth";
    private Key key;
 
@@ -60,14 +65,10 @@ public class TokenProvider implements InitializingBean {
          .map(GrantedAuthority::getAuthority)
          .collect(Collectors.joining(","));
 
-      long now = (new Date()).getTime();
-      Date validity = new Date(now + properties.getTokenValidityInSeconds());
-
       return Jwts.builder()
          .setSubject(authentication.getName())
          .claim(AUTHORITIES_KEY, authorities)
          .signWith(key, SignatureAlgorithm.HS512)
-         .setExpiration(validity)
          .compact();
    }
 
@@ -90,24 +91,20 @@ public class TokenProvider implements InitializingBean {
       return new UsernamePasswordAuthenticationToken(principal, token, authorities);
    }
 
-   boolean validateToken(String authToken) {
+   /**
-      try {
+    * @param token 需要检查的token
-         Jwts.parser().setSigningKey(key).parseClaimsJws(authToken);
+    */
-         return true;
+   public void checkRenewal(String token){
-      } catch (io.jsonwebtoken.security.SecurityException | MalformedJwtException e) {
+      // 判断是否续期token,计算token的过期时间
-         log.info("Invalid JWT signature.");
+      long time = redisUtils.getExpire(properties.getOnlineKey() + token) * 1000;
-         e.printStackTrace();
+      Date expireDate = DateUtil.offset(new Date(), DateField.MILLISECOND, (int) time);
-      } catch (ExpiredJwtException e) {
+      // 判断当前时间与过期时间的时间差
-         log.info("Expired JWT token.");
+      long differ = expireDate.getTime() - new Date().getTime();
-         e.printStackTrace();
+      // 如果在续期检查的范围内，则续期
-      } catch (UnsupportedJwtException e) {
+      if(differ <= properties.getDetect()){
-         log.info("Unsupported JWT token.");
+         long renew = time + properties.getRenew();
-         e.printStackTrace();
+         redisUtils.expire(properties.getOnlineKey() + token, renew, TimeUnit.MILLISECONDS);
-      } catch (IllegalArgumentException e) {
-         log.info("JWT token compact of handler are invalid.");
-         e.printStackTrace();
       }
-      return false;
    }
 
    public String getToken(HttpServletRequest request){

eladmin-system/src/main/resources/config/application-dev.yml

@@ -48,6 +48,10 @@ jwt:
   online-key: online-token
   # 验证码
   code-key: code-key
+  # token 续期检查时间范围（默认30分钟，单位毫秒），在token即将过期的一段时间内用户操作了，则给用户的token续期
+  detect: 1800000
+  # 续期时间范围，默认1小时，单位毫秒
+  renew: 3600000
 
 #是否允许生成代码，生产环境设置为false
 generator:

eladmin-system/src/main/resources/config/application-prod.yml

@@ -50,6 +50,10 @@ jwt:
   online-key: online-token
   # 验证码
   code-key: code-key
+  # token 续期检查时间范围（默认30分钟，单位默认毫秒），在token即将过期的一段时间内用户操作了，则给用户的token续期
+  detect: 1800000
+  # 续期时间范围，默认 1小时，这里单位毫秒
+  renew: 3600000
 
 #是否允许生成代码，生产环境设置为false
 generator: