Make CMS sesison management more robust.
[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / auth / CmsAuthUtils.java
index 661cc6905fb9a33753348cfa1e81d5b47a508e47..f5503d5c5d74185b4dfbb18b2c2c102efdd8a08e 100644 (file)
@@ -1,6 +1,7 @@
 package org.argeo.cms.auth;
 
 import java.security.Principal;
+import java.util.Collection;
 import java.util.Locale;
 import java.util.Set;
 import java.util.UUID;
@@ -12,22 +13,22 @@ import javax.security.auth.x500.X500Principal;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpSession;
 
-//import org.apache.jackrabbit.core.security.AnonymousPrincipal;
-//import org.apache.jackrabbit.core.security.SecurityConstants;
-//import org.apache.jackrabbit.core.security.principal.AdminPrincipal;
-import org.argeo.cms.CmsException;
+import org.argeo.api.NodeConstants;
+import org.argeo.api.security.AnonymousPrincipal;
+import org.argeo.api.security.DataAdminPrincipal;
+import org.argeo.api.security.NodeSecurityUtils;
 import org.argeo.cms.internal.auth.CmsSessionImpl;
 import org.argeo.cms.internal.auth.ImpliedByPrincipal;
 import org.argeo.cms.internal.http.WebCmsSessionImpl;
 import org.argeo.cms.internal.kernel.Activator;
-import org.argeo.node.NodeConstants;
-import org.argeo.node.security.AnonymousPrincipal;
-import org.argeo.node.security.DataAdminPrincipal;
-import org.argeo.node.security.NodeSecurityUtils;
 import org.argeo.osgi.useradmin.AuthenticatingUser;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceReference;
 import org.osgi.service.http.HttpContext;
 import org.osgi.service.useradmin.Authorization;
 
+/** Centrlaises security related registrations. */
 class CmsAuthUtils {
        // Standard
        final static String SHARED_STATE_NAME = AuthenticatingUser.SHARED_STATE_NAME;
@@ -40,9 +41,10 @@ class CmsAuthUtils {
        final static String SHARED_STATE_SPNEGO_TOKEN = "org.argeo.cms.auth.spnegoToken";
        final static String SHARED_STATE_SPNEGO_OUT_TOKEN = "org.argeo.cms.auth.spnegoOutToken";
        final static String SHARED_STATE_CERTIFICATE_CHAIN = "org.argeo.cms.auth.certificateChain";
+       final static String SHARED_STATE_REMOTE_ADDR = "org.argeo.cms.auth.remote.addr";
+       final static String SHARED_STATE_REMOTE_PORT = "org.argeo.cms.auth.remote.port";
 
-       static void addAuthorization(Subject subject, Authorization authorization, Locale locale,
-                       HttpServletRequest request) {
+       static void addAuthorization(Subject subject, Authorization authorization) {
                assert subject != null;
                checkSubjectEmpty(subject);
                assert authorization != null;
@@ -70,8 +72,10 @@ class CmsAuthUtils {
                                NodeSecurityUtils.checkUserName(name);
                                userPrincipal = new X500Principal(name.toString());
                                principals.add(userPrincipal);
-                               // principals.add(new ImpliedByPrincipal(NodeSecurityUtils.ROLE_USER_NAME,
-                               // userPrincipal));
+
+                               if (Activator.isSingleUser()) {
+                                       principals.add(new ImpliedByPrincipal(NodeSecurityUtils.ROLE_ADMIN_NAME, userPrincipal));
+                               }
                        }
 
                        // Add roles provided by authorization
@@ -90,10 +94,8 @@ class CmsAuthUtils {
                        }
 
                } catch (InvalidNameException e) {
-                       throw new CmsException("Cannot commit", e);
+                       throw new IllegalArgumentException("Cannot commit", e);
                }
-
-               registerSessionAuthorization(request, subject, authorization, locale);
        }
 
        private static void checkSubjectEmpty(Subject subject) {
@@ -121,7 +123,8 @@ class CmsAuthUtils {
                // subject.getPrincipals().removeAll(subject.getPrincipals(AnonymousPrincipal.class));
        }
 
-       private synchronized static void registerSessionAuthorization(HttpServletRequest request, Subject subject,
+       @SuppressWarnings("unused")
+       synchronized static void registerSessionAuthorization(HttpServletRequest request, Subject subject,
                        Authorization authorization, Locale locale) {
                // synchronized in order to avoid multiple registrations
                // TODO move it to a service in order to avoid static synchronization
@@ -129,40 +132,53 @@ class CmsAuthUtils {
                        HttpSession httpSession = request.getSession(false);
                        assert httpSession != null;
                        String httpSessId = httpSession.getId();
-                       String remoteUser = authorization.getName() != null ? authorization.getName()
-                                       : NodeConstants.ROLE_ANONYMOUS;
+                       boolean anonymous = authorization.getName() == null;
+                       String remoteUser = !anonymous ? authorization.getName() : NodeConstants.ROLE_ANONYMOUS;
                        request.setAttribute(HttpContext.REMOTE_USER, remoteUser);
                        request.setAttribute(HttpContext.AUTHORIZATION, authorization);
 
-                       CmsSessionImpl cmsSession = CmsSessionImpl.getByLocalId(httpSessId);
-                       if (cmsSession != null) {
-                               if (authorization.getName() != null) {
-                                       if (cmsSession.getAuthorization().getName() == null) {
-                                               cmsSession.close();
-                                               cmsSession = null;
-                                       } else if (!authorization.getName().equals(cmsSession.getAuthorization().getName())) {
-                                               throw new CmsException("Inconsistent user " + authorization.getName()
-                                                               + " for existing CMS session " + cmsSession);
+                       CmsSessionImpl cmsSession;
+                       CmsSessionImpl currentLocalSession = CmsSessionImpl.getByLocalId(httpSessId);
+                       if (currentLocalSession != null) {
+                               boolean currentLocalSessionAnonymous = currentLocalSession.getAuthorization().getName() == null;
+                               if (!anonymous) {
+                                       if (currentLocalSessionAnonymous) {
+                                               currentLocalSession.close();
+                                               // new CMS session
+                                               cmsSession = new WebCmsSessionImpl(subject, authorization, locale, request);
+                                       } else if (!authorization.getName().equals(currentLocalSession.getAuthorization().getName())) {
+                                               throw new IllegalStateException("Inconsistent user " + authorization.getName()
+                                                               + " for existing CMS session " + currentLocalSession);
+                                       } else {
+                                               // keep current session
+                                               cmsSession = currentLocalSession;
+                                               // keyring
+                                               subject.getPrivateCredentials().addAll(cmsSession.getSecretKeys());
                                        }
                                } else {// anonymous
-                                       if (cmsSession.getAuthorization().getName() != null) {
-                                               cmsSession.close();
-                                               // TODO rather throw an exception ? log a warning ?
-                                               cmsSession = null;
+                                       if (!currentLocalSessionAnonymous) {
+                                               currentLocalSession.close();
+                                               throw new IllegalStateException(
+                                                               "Existing CMS session " + currentLocalSession + " was not logged out properly.");
                                        }
+                                       // keep current session
+                                       cmsSession = currentLocalSession;
                                }
+                       } else {
+                               // new CMS session
+                               cmsSession = new WebCmsSessionImpl(subject, authorization, locale, request);
                        }
 
-                       if (cmsSession == null)
-                               cmsSession = new WebCmsSessionImpl(subject, authorization, locale, request);
-                       // request.setAttribute(CmsSession.class.getName(), cmsSession);
+                       if (cmsSession == null)// should be dead code (cf. SuppressWarning of the method)
+                               throw new IllegalStateException("CMS session cannot be null");
+
                        CmsSessionId nodeSessionId = new CmsSessionId(cmsSession.getUuid());
-                       if (subject.getPrivateCredentials(CmsSessionId.class).size() == 0)
+                       if (subject.getPrivateCredentials(CmsSessionId.class).size() == 0) {
                                subject.getPrivateCredentials().add(nodeSessionId);
-                       else {
+                       else {
                                UUID storedSessionId = subject.getPrivateCredentials(CmsSessionId.class).iterator().next().getUuid();
                                // if (storedSessionId.equals(httpSessionId.getValue()))
-                               throw new CmsException(
+                               throw new IllegalStateException(
                                                "Subject already logged with session " + storedSessionId + " (not " + nodeSessionId + ")");
                        }
                } else {
@@ -170,6 +186,29 @@ class CmsAuthUtils {
                }
        }
 
+       public static CmsSession cmsSessionFromHttpSession(BundleContext bc, String httpSessionId) {
+               Authorization authorization = null;
+               Collection<ServiceReference<CmsSession>> sr;
+               try {
+                       sr = bc.getServiceReferences(CmsSession.class,
+                                       "(" + CmsSession.SESSION_LOCAL_ID + "=" + httpSessionId + ")");
+               } catch (InvalidSyntaxException e) {
+                       throw new IllegalArgumentException("Cannot get CMS session for id " + httpSessionId, e);
+               }
+               CmsSession cmsSession;
+               if (sr.size() == 1) {
+                       cmsSession = bc.getService(sr.iterator().next());
+//                     locale = cmsSession.getLocale();
+                       authorization = cmsSession.getAuthorization();
+                       if (authorization.getName() == null)
+                               return null;// anonymous is not sufficient
+               } else if (sr.size() == 0)
+                       return null;
+               else
+                       throw new IllegalStateException(sr.size() + ">1 web sessions detected for http session " + httpSessionId);
+               return cmsSession;
+       }
+
        public static <T extends Principal> T getSinglePrincipal(Subject subject, Class<T> clss) {
                Set<T> principals = subject.getPrincipals(clss);
                if (principals.isEmpty())