Apereo-Learning-Analytics-Initiative / OpenLRW

import io.jsonwebtoken.Claims;

import io.jsonwebtoken.ExpiredJwtException;

import io.jsonwebtoken.Jws;

import io.jsonwebtoken.Jwts;

import io.jsonwebtoken.MalformedJwtException;

import io.jsonwebtoken.SignatureException;

import io.jsonwebtoken.UnsupportedJwtException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.security.authentication.BadCredentialsException;

import unicon.matthews.security.exception.JwtExpiredTokenException;

public class RawAccessJwtToken implements JwtToken {

    private static Logger logger = LoggerFactory.getLogger(RawAccessJwtToken.class);

    private String token;

    public RawAccessJwtToken(String token) {

        this.token = token;

    }

    /**

     * Parses and validates JWT Token signature.

     * 

     * @throws BadCredentialsException

     * @throws JwtExpiredTokenException

     * 

     */

    public Jws<Claims> parseClaims(String signingKey) {

        try {

            return Jwts.parser().setSigningKey(signingKey).parseClaimsJws(this.token);

        } catch (UnsupportedJwtException | MalformedJwtException | IllegalArgumentException | SignatureException ex) {

            logger.error("Invalid JWT Token", ex);

            throw new BadCredentialsException("Invalid JWT token: ", ex);

        } catch (ExpiredJwtException expiredEx) {

            logger.info("JWT Token is expired", expiredEx);

            throw new JwtExpiredTokenException(this, "JWT Token expired", expiredEx);

        }

    }

}