Make client certificate authorization more robust

[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / auth / HttpSessionLoginModule.java

diff --git a/org.argeo.cms/src/org/argeo/cms/auth/HttpSessionLoginModule.java b/org.argeo.cms/src/org/argeo/cms/auth/HttpSessionLoginModule.java
index 61268ca34f895956541935b557d7202fa93ad061..7622eef27da26c49f13d6a56ef63a68e27f1387e 100644 (file)
--- a/org.argeo.cms/src/org/argeo/cms/auth/HttpSessionLoginModule.java
+++ b/org.argeo.cms/src/org/argeo/cms/auth/HttpSessionLoginModule.java
@@ -200,17 +200,22 @@ public class HttpSessionLoginModule implements LoginModule {
        private void extractClientCertificate(HttpServletRequest req) {
                X509Certificate[] certs = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
                if (null != certs && certs.length > 0) {// Servlet container verified the client certificate
-                       sharedState.put(CmsAuthUtils.SHARED_STATE_NAME, certs[0].getSubjectX500Principal().getName());
+                       String certDn = certs[0].getSubjectX500Principal().getName();
+                       sharedState.put(CmsAuthUtils.SHARED_STATE_NAME, certDn);
                        sharedState.put(CmsAuthUtils.SHARED_STATE_CERTIFICATE_CHAIN, certs);
+                       if (log.isDebugEnabled())
+                               log.debug("Client certificate " + certDn + " verified by servlet container");
                } // Reverse proxy verified the client certificate
                String clientDnHttpHeader = Activator.getHttpProxySslHeader();
                if (clientDnHttpHeader != null) {
                        String certDn = req.getHeader(clientDnHttpHeader);
                        // TODO retrieve more cf. https://httpd.apache.org/docs/current/mod/mod_ssl.html
                        // String issuerDn = req.getHeader("SSL_CLIENT_I_DN");
-                       if (certDn != null) {
+                       if (certDn != null && !certDn.trim().equals("")) {
                                sharedState.put(CmsAuthUtils.SHARED_STATE_NAME, certDn);
                                sharedState.put(CmsAuthUtils.SHARED_STATE_CERTIFICATE_CHAIN, "");
+                               if (log.isDebugEnabled())
+                                       log.debug("Client certificate " + certDn + " verified by reverse proxy");
                        }
                }
        }