From 2119f1b218e9d68b13496e7042785d9c68753966 Mon Sep 17 00:00:00 2001
From: "Endi S. Dewata" <edewata@redhat.com>
Date: Mon, 7 Oct 2013 11:48:54 -0400
Subject: Reorganized server packages.

The tomcat, cms, and cmscore packages have been moved from base/common
into separate folders in base/server so that they can be built separately.
---
 .../cms/src/com/netscape/cms/realm/PKIRealm.java   | 160 +++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 base/server/cms/src/com/netscape/cms/realm/PKIRealm.java

(limited to 'base/server/cms/src/com/netscape/cms/realm/PKIRealm.java')

diff --git a/base/server/cms/src/com/netscape/cms/realm/PKIRealm.java b/base/server/cms/src/com/netscape/cms/realm/PKIRealm.java
new file mode 100644
index 000000000..b035f53f6
--- /dev/null
+++ b/base/server/cms/src/com/netscape/cms/realm/PKIRealm.java
@@ -0,0 +1,160 @@
+package com.netscape.cms.realm;
+
+import java.security.Principal;
+import java.security.cert.X509Certificate;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+
+import netscape.security.x509.X509CertImpl;
+
+import org.apache.catalina.realm.RealmBase;
+
+import com.netscape.certsrv.apps.CMS;
+import com.netscape.certsrv.authentication.IAuthManager;
+import com.netscape.certsrv.authentication.IAuthSubsystem;
+import com.netscape.certsrv.authentication.IAuthToken;
+import com.netscape.certsrv.authentication.ICertUserDBAuthentication;
+import com.netscape.certsrv.authentication.IPasswdUserDBAuthentication;
+import com.netscape.certsrv.usrgrp.EUsrGrpException;
+import com.netscape.certsrv.usrgrp.IGroup;
+import com.netscape.certsrv.usrgrp.IUGSubsystem;
+import com.netscape.certsrv.usrgrp.IUser;
+import com.netscape.cms.servlet.common.AuthCredentials;
+
+/**
+ *  PKI Realm
+ *
+ *  This realm provides an authentication service against PKI user database.
+ *  The realm also provides an authorization service that validates request
+ *  URL's against the access control list defined in the internal database.
+ */
+
+public class PKIRealm extends RealmBase {
+
+    @Override
+    protected String getName() {
+        return "PKIRealm";
+    }
+
+    @Override
+    public Principal authenticate(String username, String password) {
+        logDebug("Authenticating username "+username+" with password.");
+
+        try {
+            IAuthSubsystem authSub = (IAuthSubsystem) CMS.getSubsystem(CMS.SUBSYSTEM_AUTH);
+            IAuthManager authMgr = authSub.getAuthManager(IAuthSubsystem.PASSWDUSERDB_AUTHMGR_ID);
+
+            AuthCredentials creds = new AuthCredentials();
+            creds.set(IPasswdUserDBAuthentication.CRED_UID, username);
+            creds.set(IPasswdUserDBAuthentication.CRED_PWD, password);
+
+            IAuthToken authToken = authMgr.authenticate(creds); // throws exception if authentication fails
+
+            return getPrincipal(username, authToken);
+
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+
+        return null;
+    }
+
+    @Override
+    public Principal authenticate(final X509Certificate certs[]) {
+        logDebug("Authenticating certificate chain:");
+
+        try {
+            X509CertImpl certImpls[] = new X509CertImpl[certs.length];
+            for (int i=0; i<certs.length; i++) {
+                X509Certificate cert = certs[i];
+                logDebug("  "+cert.getSubjectDN());
+
+                // Convert sun.security.x509.X509CertImpl to netscape.security.x509.X509CertImpl
+                certImpls[i] = new X509CertImpl(cert.getEncoded());
+            }
+
+            IAuthSubsystem authSub = (IAuthSubsystem) CMS.getSubsystem(CMS.SUBSYSTEM_AUTH);
+            IAuthManager authMgr = authSub.getAuthManager(IAuthSubsystem.CERTUSERDB_AUTHMGR_ID);
+
+            AuthCredentials creds = new AuthCredentials();
+            creds.set(ICertUserDBAuthentication.CRED_CERT, certImpls);
+
+            IAuthToken authToken = authMgr.authenticate(creds); // throws exception if authentication fails
+
+            String username = authToken.getInString(ICertUserDBAuthentication.TOKEN_USERID);
+            logDebug("User ID: "+username);
+
+            return getPrincipal(username, authToken);
+
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
+
+        return null;
+    }
+
+    @Override
+    protected Principal getPrincipal(String username) {
+        return getPrincipal(username, (IAuthToken)null);
+    }
+
+    protected Principal getPrincipal(String username, IAuthToken authToken) {
+
+        try {
+            IUser user = getUser(username);
+            return getPrincipal(user, authToken);
+
+        } catch (Throwable e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    protected Principal getPrincipal(IUser user, IAuthToken authToken) throws EUsrGrpException {
+        List<String> roles = getRoles(user);
+        return new PKIPrincipal(user.getUserID(), null, roles, authToken);
+    }
+
+    protected IUser getUser(String username) throws EUsrGrpException {
+        IUGSubsystem ugSub = (IUGSubsystem) CMS.getSubsystem(CMS.SUBSYSTEM_UG);
+        IUser user = ugSub.getUser(username);
+        logDebug("User DN: "+user.getUserDN());
+        return user;
+    }
+
+    protected List<String> getRoles(IUser user) throws EUsrGrpException {
+
+        List<String> roles = new ArrayList<String>();
+
+        IUGSubsystem ugSub = (IUGSubsystem) CMS.getSubsystem(CMS.SUBSYSTEM_UG);
+        Enumeration<IGroup> groups = ugSub.findGroupsByUser(user.getUserDN());
+
+        logDebug("Roles:");
+        while (groups.hasMoreElements()) {
+            IGroup group = groups.nextElement();
+
+            String name = group.getName();
+            logDebug("  "+name);
+            roles.add(name);
+        }
+
+        return roles;
+    }
+
+    @Override
+    protected String getPassword(String username) {
+        return null;
+    }
+
+    /*
+     * TODO: Figure out how to do real logging
+     */
+    public void logErr(String msg) {
+        System.err.println(msg);
+    }
+
+    public void logDebug(String msg) {
+        System.out.println("PKIRealm: "+msg);
+    }
+}
-- 
cgit