package com.example.jz.auth;
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import com.auth0.jwt.JWT;
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import com.auth0.jwt.JWTVerifier;
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import com.auth0.jwt.algorithms.Algorithm;
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import com.auth0.jwt.interfaces.Claim;
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import com.auth0.jwt.interfaces.DecodedJWT;
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import com.example.jz.modle.entity.User;
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import org.springframework.stereotype.Component;
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import java.util.Calendar;
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import java.util.HashMap;
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/**
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* @author 安瑾然
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* @data 2022/7/18 - 10:46 AM
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* @description token工具类
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*/
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@Component
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public class TokenJwtManager {
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// 设置token时间
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private int tokenEcpiration = 24 * 60 * 60 * 1000; // 1天
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// 编码密钥
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private String tokenSignKey = "6^wy=$}E";
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// 1、根据用户名生成token
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public String createToken(String username) {
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Calendar calendar = Calendar.getInstance();
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calendar.add(Calendar.SECOND, tokenEcpiration);
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return JWT.create()
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.withHeader(new HashMap<>())
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.withClaim("username", username)
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.withExpiresAt(calendar.getTime())
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.sign(Algorithm.HMAC256(tokenSignKey));
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}
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// 2、根据token得到用户名信息
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public String getUserName(String token) {
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JWTVerifier build = JWT.require(Algorithm.HMAC256(tokenSignKey)).build();
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DecodedJWT verify = build.verify(token);
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Claim username = verify.getClaim("username");
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return username.asString();
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}
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public String createToken(User user) {
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Calendar calendar = Calendar.getInstance();
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calendar.add(Calendar.SECOND, tokenEcpiration);
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return JWT.create()
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.withKeyId(user.getId().toString())
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.withHeader(new HashMap<>())
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.withClaim("username", user.getLoginUsername())
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.withExpiresAt(calendar.getTime())
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.sign(Algorithm.HMAC256(tokenSignKey));
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}
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}
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