+ @Override
+ public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
+ throws IOException, ServletException {
+ try {
+ String certHeader = ((HttpServletRequest) request).getHeader("X-SSL-Cert");
+ if (certHeader != null) {
+
+ CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
+ X509Certificate cert = (X509Certificate) certificateFactory
+ .generateCertificate(new ByteArrayInputStream(certHeader.getBytes()));
+ request.setAttribute("javax.servlet.request.X509Certificate", cert);
+
+ }
+ } catch (CertificateException e) {
+ logger.error("Unable to inject the X.509 certificate", e);
+ }
+ super.doFilter(request, response, chain);
+ }
+