76 lines
2.0 KiB
Java
76 lines
2.0 KiB
Java
/*
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* Ardiansyah | http://ard.web.id
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*
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*/
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package id.web.ard.springbootwebfluxjjwt.security;
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import id.web.ard.springbootwebfluxjjwt.model.User;
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import java.io.Serializable;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.Jwts;
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import io.jsonwebtoken.SignatureAlgorithm;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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/**
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*
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* @author ardiansyah
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*/
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@Component
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public class JWTUtil implements Serializable {
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private static final long serialVersionUID = 1L;
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@Value("${springbootwebfluxjjwt.jjwt.secret}")
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private String secret;
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@Value("${springbootwebfluxjjwt.jjwt.expiration}")
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private String expirationTime;
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public Claims getAllClaimsFromToken(String token) {
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return Jwts.parser().setSigningKey(secret).parseClaimsJws(token).getBody();
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}
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public String getUsernameFromToken(String token) {
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return getAllClaimsFromToken(token).getSubject();
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}
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public Date getExpirationDateFromToken(String token) {
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return getAllClaimsFromToken(token).getExpiration();
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}
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private Boolean isTokenExpired(String token) {
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final Date expiration = getExpirationDateFromToken(token);
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return expiration.before(new Date());
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}
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public String generateToken(User user) {
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Map<String, Object> claims = new HashMap<>();
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claims.put("role", user.getRoles());
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claims.put("enable", user.getEnabled());
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return doGenerateToken(claims, user.getUsername());
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}
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private String doGenerateToken(Map<String, Object> claims, String username) {
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Long expirationTimeLong = Long.parseLong(expirationTime); //in second
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final Date createdDate = new Date();
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final Date expirationDate = new Date(createdDate.getTime() + expirationTimeLong * 1000);
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return Jwts.builder()
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.setClaims(claims)
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.setSubject(username)
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.setIssuedAt(createdDate)
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.setExpiration(expirationDate)
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.signWith(SignatureAlgorithm.HS512, secret)
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.compact();
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}
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public Boolean validateToken(String token) {
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return !isTokenExpired(token);
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}
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}
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