org.argeo.security.core/src/org/argeo/security/jcr/SimpleJcrSecurityModel.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.security.jcr;
  17
  18 import java.util.List;
  19
  20 import javax.jcr.Node;
  21 import javax.jcr.RepositoryException;
  22 import javax.jcr.Session;
  23 import javax.jcr.Value;
  24 import javax.jcr.security.Privilege;
  25 import javax.jcr.version.VersionManager;
  26
  27 import org.apache.commons.logging.Log;
  28 import org.apache.commons.logging.LogFactory;
  29 import org.argeo.ArgeoException;
  30 import org.argeo.jcr.ArgeoJcrConstants;
  31 import org.argeo.jcr.ArgeoNames;
  32 import org.argeo.jcr.ArgeoTypes;
  33 import org.argeo.jcr.JcrUtils;
  34 import org.argeo.jcr.UserJcrUtils;
  35
  36 /**
  37  * Manages data expected by the Argeo security model, such as user home and
  38  * profile.
  39  */
  40 public class SimpleJcrSecurityModel implements JcrSecurityModel {
  41         private final static Log log = LogFactory
  42                         .getLog(SimpleJcrSecurityModel.class);
  43         // ArgeoNames not implemented as interface in order to ease derivation by
  44         // Jackrabbit bundles
  45
  46         /** The home base path. */
  47         private String homeBasePath = "/home";
  48
  49         public synchronized Node sync(Session session, String username,
  50                         List<String> roles) {
  51                 // TODO check user name validity (e.g. should not start by ROLE_)
  52
  53                 try {
  54                         Node userHome = UserJcrUtils.getUserHome(session, username);
  55                         if (userHome == null) {
  56                                 String homePath = generateUserPath(homeBasePath, username);
  57                                 userHome = JcrUtils.mkdirs(session, homePath);
  58                                 // userHome = JcrUtils.mkfolders(session, homePath);
  59                                 userHome.addMixin(ArgeoTypes.ARGEO_USER_HOME);
  60                                 userHome.setProperty(ArgeoNames.ARGEO_USER_ID, username);
  61                                 session.save();
  62
  63                                 JcrUtils.clearAccessControList(session, homePath, username);
  64                                 JcrUtils.addPrivilege(session, homePath, username,
  65                                                 Privilege.JCR_ALL);
  66                         } else {
  67                                 // for backward compatibility with pre 1.0 security model
  68                                 if (userHome.hasNode(ArgeoNames.ARGEO_PROFILE)) {
  69                                         userHome.getNode(ArgeoNames.ARGEO_PROFILE).remove();
  70                                         userHome.getSession().save();
  71                                 }
  72                         }
  73
  74                         // Remote roles
  75                         if (roles != null) {
  76                                 // writeRemoteRoles(userHome, roles);
  77                         }
  78
  79                         Node userProfile = UserJcrUtils.getUserProfile(session, username);
  80                         if (userProfile == null) {
  81                                 String personPath = generateUserPath(
  82                                                 ArgeoJcrConstants.PEOPLE_BASE_PATH, username);
  83                                 Node personBase = JcrUtils.mkdirs(session, personPath);
  84                                 userProfile = personBase.addNode(ArgeoNames.ARGEO_PROFILE);
  85                                 userProfile.addMixin(ArgeoTypes.ARGEO_USER_PROFILE);
  86                                 userProfile.setProperty(ArgeoNames.ARGEO_USER_ID, username);
  87                                 userProfile.setProperty(ArgeoNames.ARGEO_ENABLED, true);
  88                                 userProfile.setProperty(ArgeoNames.ARGEO_ACCOUNT_NON_EXPIRED,
  89                                                 true);
  90                                 userProfile.setProperty(ArgeoNames.ARGEO_ACCOUNT_NON_LOCKED,
  91                                                 true);
  92                                 userProfile.setProperty(
  93                                                 ArgeoNames.ARGEO_CREDENTIALS_NON_EXPIRED, true);
  94                                 session.save();
  95
  96                                 JcrUtils.clearAccessControList(session, userProfile.getPath(),
  97                                                 username);
  98                                 JcrUtils.addPrivilege(session, userProfile.getPath(), username,
  99                                                 Privilege.JCR_READ);
 100
 101                                 VersionManager versionManager = session.getWorkspace()
 102                                                 .getVersionManager();
 103                                 if (versionManager.isCheckedOut(userProfile.getPath()))
 104                                         versionManager.checkin(userProfile.getPath());
 105
 106                         }
 107
 108                         // Remote roles
 109                         if (roles != null) {
 110                                 writeRemoteRoles(userProfile, roles);
 111                         }
 112                         return userProfile;
 113                 } catch (RepositoryException e) {
 114                         JcrUtils.discardQuietly(session);
 115                         throw new ArgeoException("Cannot sync node security model for "
 116                                         + username, e);
 117                 }
 118         }
 119
 120         /** Generate path for a new user home */
 121         protected String generateUserPath(String base, String username) {
 122                 int atIndex = username.indexOf('@');
 123                 if (atIndex > 0) {
 124                         String domain = username.substring(0, atIndex);
 125                         String name = username.substring(atIndex + 1);
 126                         return base + '/' + JcrUtils.firstCharsToPath(domain, 2) + '/'
 127                                         + domain + '/' + JcrUtils.firstCharsToPath(name, 2) + '/'
 128                                         + name;
 129                 } else if (atIndex == 0 || atIndex == (username.length() - 1)) {
 130                         throw new ArgeoException("Unsupported username " + username);
 131                 } else {
 132                         return base + '/' + JcrUtils.firstCharsToPath(username, 2) + '/'
 133                                         + username;
 134                 }
 135         }
 136
 137         /** Write remote roles used by remote access in the home directory */
 138         protected void writeRemoteRoles(Node userHome, List<String> roles)
 139                         throws RepositoryException {
 140                 boolean writeRoles = false;
 141                 if (userHome.hasProperty(ArgeoNames.ARGEO_REMOTE_ROLES)) {
 142                         Value[] remoteRoles = userHome.getProperty(
 143                                         ArgeoNames.ARGEO_REMOTE_ROLES).getValues();
 144                         if (remoteRoles.length != roles.size())
 145                                 writeRoles = true;
 146                         else
 147                                 for (int i = 0; i < remoteRoles.length; i++)
 148                                         if (!remoteRoles[i].getString().equals(roles.get(i)))
 149                                                 writeRoles = true;
 150                 } else
 151                         writeRoles = true;
 152
 153                 if (writeRoles) {
 154                         userHome.getSession().getWorkspace().getVersionManager()
 155                                         .checkout(userHome.getPath());
 156                         String[] roleIds = roles.toArray(new String[roles.size()]);
 157                         userHome.setProperty(ArgeoNames.ARGEO_REMOTE_ROLES, roleIds);
 158                         JcrUtils.updateLastModified(userHome);
 159                         userHome.getSession().save();
 160                         userHome.getSession().getWorkspace().getVersionManager()
 161                                         .checkin(userHome.getPath());
 162                         if (log.isDebugEnabled())
 163                                 log.debug("Wrote remote roles " + roles + " for "
 164                                                 + userHome.getProperty(ArgeoNames.ARGEO_USER_ID));
 165                 }
 166
 167         }
 168
 169         public void setHomeBasePath(String homeBasePath) {
 170                 this.homeBasePath = homeBasePath;
 171         }
 172
 173 }