String authHeader = httpRequest.getHeader(AuthUtils.AUTH_HEADER_KEY);
if (StringUtils.isBlank(authHeader) || authHeader.split(" ").length != 2) {
httpResponse.sendError(HttpServletResponse.SC_UNAUTHORIZED, AUTH_ERROR_MSG);
} else {
JWTClaimsSet claimSet = null;
try {
claimSet = (JWTClaimsSet) AuthUtils.decodeToken(authHeader);
} catch (ParseException e) {
httpResponse.sendError(HttpServletResponse.SC_BAD_REQUEST, JWT_ERROR_MSG);
}
// ensure that the token is not expired
if (new DateTime(claimSet.getExpirationTime()).isBefore(DateTime.now())) {
httpResponse.sendError(HttpServletResponse.SC_UNAUTHORIZED, EXPIRE_ERROR_MSG);
} else {
chain.doFilter(request, response);
}
}