JWT校验令牌

package com.easy.archiecture.support;

import com.auth0.jwt.JWTSigner;
import com.auth0.jwt.JWTVerifier;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import java.util.HashMap;
import java.util.Map;

public class JWTUtil_mxd { private static final String SECRET = "!=end=!"; private static final String PAYLOAD = "payload"; private static final String EXP = "exp";

//加密，传入一个对象和一个有效期,MXD public static  <T> String sign(T object,long maxAge){ try { //create a sign ，param是一个 final JWTSigner signer = new JWTSigner(SECRET); //claims 要求 final HashMap<String, Object> claims = new HashMap<>(); //通过jackson的api将对象转换成json ObjectMapper mapper = new ObjectMapper(); String jsonString = mapper.writeValueAsString(object); claims.put(PAYLOAD,jsonString); claims.put(EXP,System.currentTimeMillis()+maxAge); return signer.sign(claims); } catch (JsonProcessingException e) { return null; } }

//解密，传入一个加密的token+解密后的类型 public static <T> T unsign (String jwt,Class<T> tClass){ //传入秘钥，进行解密 final JWTVerifier verifier = new JWTVerifier(SECRET); try{ final Map<String, Object> claims= verifier.verify(jwt); if(claims.containsKey(EXP) && claims.containsKey(PAYLOAD)){ long exp = (long) claims.get(EXP); long currentTimeMillis = System.currentTimeMillis(); if(exp>currentTimeMillis){ String json = (String) claims.get(PAYLOAD); //payload有效值 ObjectMapper objectMapper = new ObjectMapper(); return objectMapper.readValue(json,tClass); } } return null; } catch (Exception e){ return  null; } }

}


  

 

  
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文章来源: blog.csdn.net，作者：East Horse，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/weixin_44613138/article/details/108694576