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package eu.dnetlib.openaire.rest.security;
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import io.jsonwebtoken.*;
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import org.apache.log4j.Logger;
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import javax.xml.bind.DatatypeConverter;
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/**
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* Created by kiatrop on 10/4/2017.
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*/
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public class JWTValidator {
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private static final Logger logger = Logger.getLogger(JWTValidator.class);
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public static boolean isValid(String token) {
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//String subject = "my-very-secret";
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try {
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//This line will throw an exception if it is not a signed JWS (as expected)
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Claims claims = Jwts.parser()
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.setSigningKey(DatatypeConverter.parseBase64Binary("my-very-secret"))
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.parseClaimsJws(token).getBody();
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logger.debug("Id: " + claims.get("userId"));
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logger.debug("Subject: " + claims.getSubject());
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logger.debug("Fullname: " + claims.get("fullname"));
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logger.debug("Email: " + claims.get("email"));
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logger.debug("Role: " + claims.get("role"));
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logger.debug("Expiration: " + claims.getExpiration());
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return true;
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} catch (SignatureException e) {
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logger.error("Either calculating a signature or verifying an existing signature of a JWT failed", e);
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return false;
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} catch(PrematureJwtException e) {
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logger.error("A JWT was accepted before it is allowed to be accessed and must be rejected", e);
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return false;
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} catch(ClaimJwtException e){
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logger.error("After a validation of a JWT claim failed", e);
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return false;
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} catch(MalformedJwtException e){
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logger.error("A JWT was not correctly constructed and should be rejected", e);
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return false;
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} catch(UnsupportedJwtException e){
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logger.error("Receiving a JWT in a particular format/configuration that does not match the format expected by the application", e);
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return false;
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}
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}
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// public static void main(String[] args) {
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//
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// // valid (isValid("eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJBcmdpcm8iLCJmdWxsbmFtZSI6IkFyZ2lybyBLb2tvZ2lhbmFraSIsInVzZXJJZCI6IjgiLCJlbWFpbCI6ImFyZ2lyb0BnbWFpbC5jb20iLCJyb2xlIjoyLCJleHAiOjE0OTIwMDEyMzN9.u2xTTyjF6_n60yiz-Pfj72TQIaVNRgxt7Qe8w_AxoTBulKuiq6ldzZHDvgcef2jsA12TFRgfIyfXhsTj-04P5A"))
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// // not valid "eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJBcmdpcm8iLCJmdWxsbmFtZSI6IkFyZ2lybyBLb2tvZ2lhbmFraSIsInVzZXJJZCI6IjgiLCJlbWFpbCI6ImFyZ2lyb0BnbWFpbC5jb20iLCJyb2xlIjoyLCJleHAiOjE0OTE5ODk2Njh9.JUiFGEverBVbo3eXlV2nX265cwNTYH1EJGZT0IcGyY31WUDHiGmtnTY-NwZsy0R93irVhAzVhTlmZI_DSRQ"
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// //if (isValid("eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJzYmEiLCJmdWxsbmFtZSI6InNvZmlhICIsInVzZXJJZCI6IjYiLCJlbWFpbCI6InNvZmllX21wbEBob3RtYWlsLmNvbSIsInJvbGUiOjEsImV4cCI6MTQ5Mjc3ODY2M30.LcgYcBuI0V8tsZZR_Pnnb5Kk0_GfblxNC6FH1CHT2q7u4j9hcETb1EYLIKPZdkErXJ_MSC1jHNUiS5qCzEQQ2w"))
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//
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// if(isValid("eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJBcmdpcm8iLCJmdWxsbmFtZSI6IkFyZ2lybyBLb2tvZ2lhbmFraSIsInVzZXJJZCI6IjgiLCJlbWFpbCI6ImFyZ2lyb0BnbWFpbC5jb20iLCJyb2xlIjoyLCJleHAiOjE0OTI3ODY4MTl9.F-cFGmSvZLAF70PCz9PE6jOwSg6aAiUW2lklkS-eKCxkjwbqPJLWlNWP10Czg4j1_iKDTvHR7wbhbRyJPoqvNQ"))
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// System.out.println("Valid");
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// else
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// System.out.println("Not Valid");
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//
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// }
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}
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