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Java-Jjwt-Junit4

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Jjwt-Junit

本章内容主要是用来实际运行下jjwt的api，完成相应的单元测试。

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<properties>
        <junit.version>4.12</junit.version>
        <jjwt.version>0.10.5</jjwt.version>
        <lmbok.version>1.18.4</lmbok.version>
        <h2.version>1.4.197</h2.version>
        <slf4j.version>1.7.25</slf4j.version>
        <logback.version>1.2.3</logback.version>
        <!-- pom文件需要指定打包编码集，[WARNING] File encoding has not been set, using platform encoding GBK, i.e. build is platform dependent!  -->
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

<dependency>
    <groupId>io.jsonwebtoken</groupId>
    <artifactId>jjwt-api</artifactId>
    <version>${jjwt.version}</version>
</dependency>
<dependency>
    <groupId>io.jsonwebtoken</groupId>
    <artifactId>jjwt-impl</artifactId>
    <version>${jjwt.version}</version>
    <scope>runtime</scope>
</dependency>
<dependency>
    <groupId>io.jsonwebtoken</groupId>
    <artifactId>jjwt-jackson</artifactId>
    <version>${jjwt.version}</version>
    <scope>runtime</scope>
</dependency>
<!--log -->
 <dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-api</artifactId>
    <version>${slf4j.version}</version>
 </dependency>

<dependency>
    <groupId>ch.qos.logback</groupId>
    <artifactId>logback-classic</artifactId>
    <version>${logback.version}</version>
</dependency>
<!-- 测试框架 -->
<dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>${junit.version}</version>
    <scope>test</scope>
</dependency>

<dependency>
  	<groupId>org.projectlombok</groupId>
  	<artifactId>lombok</artifactId>
  	<version>1.18.6</version>
</dependency>

测试代码

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package cn.z201.java.test.jjwt;

import io.jsonwebtoken.Claims;
import io.jsonwebtoken.JwtBuilder;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
import io.jsonwebtoken.security.Keys;
import lombok.extern.slf4j.Slf4j;
import org.junit.Test;

import javax.crypto.SecretKey;
import java.time.Clock;
import java.util.Date;
import java.util.UUID;

/**
 * @author z201.coding@gmail.com
 **/
@Slf4j
public class JwtExampleTest {

    private String createJWT(String id, String issuer, String subject, long ttlMillis, SecretKey key) {

        Clock clock = Clock.systemDefaultZone();
        Date now = new Date(clock.millis());
        //Let's set the JWT Claims
        JwtBuilder builder = Jwts.builder()
                .setId(id)
                .setIssuedAt(now)
                .setSubject(subject)
                .setIssuer(issuer)
                .signWith(key);

        // 设置过期时间
        if (ttlMillis >= 0) {
            long expMillis = clock.millis() + ttlMillis;
            Date exp = new Date(expMillis);
            builder.setExpiration(exp);
        }

        // 返回编码之后的字符串
        return builder.compact();
    }

    private void parseJWT(String jwt, SecretKey key) {
        Claims claims = Jwts.parser()
                .setSigningKey(key)
                .parseClaimsJws(jwt).getBody();
        log.info("ID: " + claims.getId());
        log.info("Subject: " + claims.getSubject());
        log.info("Issuer: " + claims.getIssuer());
        log.info("Expiration: " + claims.getExpiration());
    }

    @Test
    public void testJwt() {
        //The JWT signature algorithm we will be using to sign the token
        SecretKey key = Keys.secretKeyFor(SignatureAlgorithm.HS256);
        String jwt = createJWT(UUID.randomUUID().toString() ,  "issuer"  , "subject" , 10000 ,key);
        log.info("createJWT {} " , jwt );
        parseJWT(jwt,key);
    }

}

输出

22:18:48.641 [main] INFO cn.z201.java.test.jjwt.JwtExampleTest - createJWT eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiJjNjFmNzNmZi02OTM4LTQ2MDItYTNkNC1hY2FlZmI3N2Q2YTEiLCJpYXQiOjE1NTI3NDU5MjgsInN1YiI6InN1YmplY3QiLCJpc3MiOiJpc3N1ZXIiLCJleHAiOjE1NTI3NDU5Mzh9.t_ra42L21PMVzto1r2x1fSxCRZFkuk0hSzl2k-b-VWA 
22:18:48.694 [main] INFO cn.z201.java.test.jjwt.JwtExampleTest - ID: c61f73ff-6938-4602-a3d4-acaefb77d6a1
22:18:48.694 [main] INFO cn.z201.java.test.jjwt.JwtExampleTest - Subject: subject
22:18:48.694 [main] INFO cn.z201.java.test.jjwt.JwtExampleTest - Issuer: issuer
22:18:48.696 [main] INFO cn.z201.java.test.jjwt.JwtExampleTest - Expiration: Sat Mar 16 22:18:58 CST 2019