Move security model to CMS

[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / internal / useradmin / jackrabbit / JackrabbitSecurityModel.java

diff --git a/org.argeo.cms/src/org/argeo/cms/internal/useradmin/jackrabbit/JackrabbitSecurityModel.java b/org.argeo.cms/src/org/argeo/cms/internal/useradmin/jackrabbit/JackrabbitSecurityModel.java
new file mode 100644 (file)
index 0000000..de7f724
--- /dev/null
+++ b/org.argeo.cms/src/org/argeo/cms/internal/useradmin/jackrabbit/JackrabbitSecurityModel.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.cms.internal.useradmin.jackrabbit;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.jackrabbit.api.JackrabbitSession;
+import org.apache.jackrabbit.api.security.user.Group;
+import org.apache.jackrabbit.api.security.user.User;
+import org.apache.jackrabbit.api.security.user.UserManager;
+import org.argeo.ArgeoException;
+import org.argeo.cms.internal.useradmin.SimpleJcrSecurityModel;
+import org.argeo.jcr.ArgeoNames;
+
+/** Make sure that user authorizable exists before syncing user directories. */
+public class JackrabbitSecurityModel extends SimpleJcrSecurityModel {
+       private final static Log log = LogFactory
+                       .getLog(JackrabbitSecurityModel.class);
+
+       @Override
+       public synchronized Node sync(Session session, String username,
+                       List<String> roles) {
+               if (!(session instanceof JackrabbitSession))
+                       return super.sync(session, username, roles);
+
+               try {
+                       UserManager userManager = ((JackrabbitSession) session)
+                                       .getUserManager();
+                       User user = (User) userManager.getAuthorizable(username);
+                       if (user != null) {
+                               String principalName = user.getPrincipal().getName();
+                               if (!principalName.equals(username)) {
+                                       log.warn("Jackrabbit principal is '" + principalName
+                                                       + "' but username is '" + username
+                                                       + "'. Recreating...");
+                                       user.remove();
+                                       user = userManager.createUser(username, "");
+                               }
+                       } else {
+                               // create new principal
+                               user = userManager.createUser(username, "");
+                               log.info(username + " added as Jackrabbit user " + user);
+                       }
+
+                       // generic JCR sync
+                       Node userProfile = super.sync(session, username, roles);
+
+                       Boolean enabled = userProfile.getProperty(ArgeoNames.ARGEO_ENABLED)
+                                       .getBoolean();
+                       if (enabled && user.isDisabled())
+                               user.disable(null);
+                       else if (!enabled && !user.isDisabled())
+                               user.disable(userProfile.getPath() + " is disabled");
+
+                       // Sync Jackrabbit roles
+                       if (roles != null)
+                               syncRoles(userManager, user, roles);
+
+                       return userProfile;
+               } catch (RepositoryException e) {
+                       throw new ArgeoException(
+                                       "Cannot perform Jackrabbit specific operations", e);
+               }
+       }
+
+       /** Make sure Jackrabbit roles are in line with authentication */
+       void syncRoles(UserManager userManager, User user, List<String> roles)
+                       throws RepositoryException {
+               List<String> userGroupIds = new ArrayList<String>();
+               for (String role : roles) {
+                       Group group = (Group) userManager.getAuthorizable(role);
+                       if (group == null) {
+                               group = userManager.createGroup(role);
+                               log.info(role + " added as " + group);
+                       }
+                       if (!group.isMember(user))
+                               group.addMember(user);
+                       userGroupIds.add(role);
+               }
+
+               // check if user has not been removed from some groups
+               for (Iterator<Group> it = user.declaredMemberOf(); it.hasNext();) {
+                       Group group = it.next();
+                       if (!userGroupIds.contains(group.getID()))
+                               group.removeMember(user);
+               }
+       }
+}