public Authentication authenticate()

in services/application-services/product-service/src/main/java/com/amazonaws/saas/eks/auth/TokenProcessor.java [63:100]

32 lines of code
4 McCabe index (conditional complexity)


	public Authentication authenticate(HttpServletRequest request) throws Exception {
		String idToken = request.getHeader(this.jwtConfiguration.getHttpHeader());
		if (idToken != null) {
			SignedJWT signedJWT = null;
			JWTClaimsSet claimsSet = null;
			
			try {
			    signedJWT = SignedJWT.parse(this.getBearerToken(idToken));
				claimsSet = signedJWT.getJWTClaimsSet();			
			} catch (java.text.ParseException e) {
			    logger.error(e);
			}

			String issuer = claimsSet.getIssuer();
			logger.info("issuer: " + issuer);

			String jwkUrl = issuer + "/.well-known/jwks.json";
			jwtConfiguration.setJwkUrl(jwkUrl);
			ResourceRetriever resourceRetriever = new DefaultResourceRetriever(jwtConfiguration.getConnectionTimeout(),
					jwtConfiguration.getReadTimeout());
			URL jwkSetURL = new URL(jwtConfiguration.getJwkUrl());

			JWKSource keySource = new RemoteJWKSet(jwkSetURL, resourceRetriever);
			ConfigurableJWTProcessor jwtProcessor = new DefaultJWTProcessor();
			JWSKeySelector keySelector = new JWSVerificationKeySelector(RS256, keySource);
			jwtProcessor.setJWSKeySelector(keySelector);

			JWTClaimsSet claims = jwtProcessor.process(this.getBearerToken(idToken), null);
			String username = getUserNameFrom(claims);

			if (username != null) {
				List<GrantedAuthority> grantedAuthorities = of(new SimpleGrantedAuthority("ROLE_ADMIN"));
				User user = new User(username, "", of());
				return new JwtAuth(user, claims, grantedAuthorities);
			}
		}
		return null;
	}