+/*
+ * Copyright (C) 2007-2012 Mathieu Baudier
+ *
+ * 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.security.jackrabbit;
import java.security.Principal;
import java.util.ArrayList;
+import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
-import javax.jcr.Node;
-import javax.jcr.PropertyType;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
-import javax.jcr.Value;
-import javax.jcr.ValueFactory;
-import javax.jcr.security.AccessControlPolicy;
-import javax.jcr.security.AccessControlPolicyIterator;
-import javax.jcr.security.Privilege;
import javax.security.auth.Subject;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
-import org.apache.jackrabbit.api.security.JackrabbitAccessControlList;
-import org.apache.jackrabbit.api.security.JackrabbitAccessControlManager;
-import org.apache.jackrabbit.api.security.JackrabbitAccessControlPolicy;
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.apache.jackrabbit.core.DefaultSecurityManager;
+import org.apache.jackrabbit.core.security.AnonymousPrincipal;
import org.apache.jackrabbit.core.security.SecurityConstants;
-import org.apache.jackrabbit.core.security.SystemPrincipal;
import org.apache.jackrabbit.core.security.authorization.WorkspaceAccessManager;
-import org.argeo.ArgeoException;
-import org.argeo.jcr.JcrUtils;
import org.springframework.security.Authentication;
import org.springframework.security.GrantedAuthority;
-/** Intermediary class in order to have a consistent naming in config files. */
+/** Integrates Spring Security and Jackrabbit Security user and roles. */
public class ArgeoSecurityManager extends DefaultSecurityManager {
- public final static String HOME_BASE_PATH = "/home";
-
- private Log log = LogFactory.getLog(ArgeoSecurityManager.class);
-
+ private final static Log log = LogFactory
+ .getLog(ArgeoSecurityManager.class);
+
+ /** TODO? use a bounded buffer */
+ private Map<String, String> userRolesCache = Collections
+ .synchronizedMap(new HashMap<String, String>());
+
+ /**
+ * Since this is called once when the session is created, we take the
+ * opportunity to make sure that Jackrabbit users and groups reflect Spring
+ * Security name and authorities.
+ */
@Override
- /** Since this is called once when the session is created, we take the opportunity to synchronize Spring and Jackrabbit users and groups.*/
public String getUserID(Subject subject, String workspaceName)
throws RepositoryException {
- long begin = System.currentTimeMillis();
-
- if (!subject.getPrincipals(SystemPrincipal.class).isEmpty())
+ if (log.isTraceEnabled())
+ log.trace(subject);
+ // skip anonymous user (no rights)
+ if (!subject.getPrincipals(AnonymousPrincipal.class).isEmpty())
+ return super.getUserID(subject, workspaceName);
+ // skip Jackrabbit system user (all rights)
+ if (!subject.getPrincipals(ArgeoSystemPrincipal.class).isEmpty())
return super.getUserID(subject, workspaceName);
+ // retrieve Spring authentication from JAAS
+ // TODO? use Spring Security context holder
Authentication authen;
Set<Authentication> authens = subject
.getPrincipals(Authentication.class);
- if (authens.size() == 0)
- throw new ArgeoException("No Spring authentication found in "
- + subject);
- else
+ String userId;
+ if (authens.size() == 0) {
+ // make sure that logged-in user has a Principal, useful for testing
+ // using an admin user
+ userId = super.getUserID(subject, workspaceName);
+ UserManager systemUm = getSystemUserManager(null);
+ if (systemUm.getAuthorizable(userId) == null)
+ systemUm.createUser(userId, "");
+ } else {// Spring Security
authen = authens.iterator().next();
- UserManager systemUm = getSystemUserManager(workspaceName);
+ userId = authen.getName();
+ StringBuffer roles = new StringBuffer("");
+ GrantedAuthority[] authorities = authen.getAuthorities();
+ for (GrantedAuthority ga : authorities) {
+ roles.append(ga.toString());
+ }
+
+ // do not sync if not changed
+ if (userRolesCache.containsKey(userId)
+ && userRolesCache.get(userId).equals(roles.toString()))
+ return userId;
+
+ // sync Spring and Jackrabbit
+ // workspace is irrelevant here
+ UserManager systemUm = getSystemUserManager(null);
+ syncSpringAndJackrabbitSecurity(systemUm, authen);
+ userRolesCache.put(userId, roles.toString());
+ }
+ return userId;
+ }
+
+ /**
+ * Make sure that the Jackrabbit security model contains this user and its
+ * granted authorities
+ */
+ static void syncSpringAndJackrabbitSecurity(UserManager systemUm,
+ Authentication authen) throws RepositoryException {
+ long begin = System.currentTimeMillis();
String userId = authen.getName();
User user = (User) systemUm.getAuthorizable(userId);
if (user == null) {
user = systemUm.createUser(userId, authen.getCredentials()
.toString(), authen, null);
+ // SecurityJcrUtils.createUserHomeIfNeeded(getSystemSession(),
+ // userId);
+ // getSystemSession().save();
+ // setSecurityHomeAuthorizations(user);
log.info(userId + " added as " + user);
}
- setHomeNodeAuthorizations(user);
-
// process groups
List<String> userGroupIds = new ArrayList<String>();
for (GrantedAuthority ga : authen.getAuthorities()) {
if (!group.isMember(user))
group.addMember(user);
userGroupIds.add(ga.getAuthority());
-
}
// check if user has not been removed from some groups
log.trace("Spring and Jackrabbit Security synchronized for user "
+ userId + " in " + (System.currentTimeMillis() - begin)
+ " ms");
- return userId;
}
- protected void setHomeNodeAuthorizations(User user) {
- // give all privileges on user home
- // FIXME: fails on an empty repo
- String userId = "<not yet set>";
- try {
- userId = user.getID();
- Node userHome = null;
- try {
- userHome = JcrUtils.getUserHome(getSystemSession(), userId);
- if (userHome == null)
- userHome = JcrUtils.createUserHome(getSystemSession(),
- HOME_BASE_PATH, userId);
- } catch (Exception e) {
- // silent
- }
-
- if (userHome != null) {
- String path = userHome.getPath();
- Principal principal = user.getPrincipal();
-
- JackrabbitAccessControlManager acm = (JackrabbitAccessControlManager) getSystemSession()
- .getAccessControlManager();
- JackrabbitAccessControlPolicy[] ps = acm
- .getApplicablePolicies(principal);
- if (ps.length == 0) {
- log.warn("No ACL found for " + user);
- return;
- }
-
- JackrabbitAccessControlList list = (JackrabbitAccessControlList) ps[0];
-
- // add entry
- Privilege[] privileges = new Privilege[] { acm
- .privilegeFromName(Privilege.JCR_ALL) };
- Map<String, Value> restrictions = new HashMap<String, Value>();
- ValueFactory vf = getSystemSession().getValueFactory();
- restrictions.put("rep:nodePath",
- vf.createValue(path, PropertyType.PATH));
- restrictions.put("rep:glob", vf.createValue("*"));
- list.addEntry(principal, privileges, true /* allow or deny */,
- restrictions);
- }
- } catch (Exception e) {
- e.printStackTrace();
- log.warn("Cannot set authorization on user node for " + userId
- + ": " + e.getMessage());
- }
-
- }
+ // protected synchronized void setSecurityHomeAuthorizations(User user) {
+ // // give read privileges on user security home
+ // String userId = "<not yet set>";
+ // try {
+ // userId = user.getID();
+ // Node userHome = SecurityJcrUtils.getUserHome(getSystemSession(), userId);
+ // if (userHome == null)
+ // throw new ArgeoException("No security home available for user "
+ // + userId);
+ //
+ // String path = userHome.getPath();
+ // Principal principal = user.getPrincipal();
+ //
+ // JackrabbitAccessControlManager acm = (JackrabbitAccessControlManager)
+ // getSystemSession()
+ // .getAccessControlManager();
+ // JackrabbitAccessControlPolicy[] ps = acm
+ // .getApplicablePolicies(principal);
+ // if (ps.length == 0) {
+ // // log.warn("No ACL found for " + user);
+ // return;
+ // }
+ //
+ // JackrabbitAccessControlList list = (JackrabbitAccessControlList) ps[0];
+ //
+ // // add entry
+ // Privilege[] privileges = new Privilege[] { acm
+ // .privilegeFromName(Privilege.JCR_READ) };
+ // Map<String, Value> restrictions = new HashMap<String, Value>();
+ // ValueFactory vf = getSystemSession().getValueFactory();
+ // restrictions.put("rep:nodePath",
+ // vf.createValue(path, PropertyType.PATH));
+ // restrictions.put("rep:glob", vf.createValue("*"));
+ // list.addEntry(principal, privileges, true /* allow or deny */,
+ // restrictions);
+ // } catch (Exception e) {
+ // e.printStackTrace();
+ // throw new ArgeoException(
+ // "Cannot set authorization on security home for " + userId
+ // + ": " + e.getMessage());
+ // }
+ //
+ // }
@Override
protected WorkspaceAccessManager createDefaultWorkspaceAccessManager() {