HomeRepository.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import java.security.PrivilegedAction;
   4 import java.text.SimpleDateFormat;
   5 import java.util.Date;
   6 import java.util.HashSet;
   7 import java.util.Set;
   8
   9 import javax.jcr.Node;
  10 import javax.jcr.Repository;
  11 import javax.jcr.RepositoryException;
  12 import javax.jcr.Session;
  13 import javax.jcr.nodetype.NodeType;
  14 import javax.jcr.security.Privilege;
  15 import javax.naming.InvalidNameException;
  16 import javax.naming.ldap.LdapName;
  17 import javax.security.auth.Subject;
  18 import javax.security.auth.login.LoginContext;
  19
  20 import org.argeo.cms.CmsException;
  21 import org.argeo.jcr.JcrRepositoryWrapper;
  22 import org.argeo.jcr.JcrUtils;
  23 import org.argeo.node.NodeConstants;
  24 import org.argeo.node.NodeNames;
  25 import org.argeo.node.NodeTypes;
  26 import org.argeo.node.NodeUtils;
  27
  28 /**
  29  * Make sure each user has a home directory available in the default workspace.
  30  */
  31 class HomeRepository extends JcrRepositoryWrapper implements KernelConstants {
  32
  33         /** The home base path. */
  34         private String homeBasePath = KernelConstants.DEFAULT_HOME_BASE_PATH;
  35         private String usersBasePath = KernelConstants.DEFAULT_USERS_BASE_PATH;
  36         private String groupsBasePath = KernelConstants.DEFAULT_GROUPS_BASE_PATH;
  37
  38         private Set<String> checkedUsers = new HashSet<String>();
  39
  40         private SimpleDateFormat usersDatePath = new SimpleDateFormat("YYYY/MM");
  41
  42         public HomeRepository(Repository repository) {
  43                 super(repository);
  44                 putDescriptor(NodeConstants.CN, NodeConstants.HOME);
  45                 LoginContext lc;
  46                 try {
  47                         lc = new LoginContext(NodeConstants.LOGIN_CONTEXT_DATA_ADMIN);
  48                         lc.login();
  49                 } catch (javax.security.auth.login.LoginException e1) {
  50                         throw new CmsException("Cannot login as systrem", e1);
  51                 }
  52                 Subject.doAs(lc.getSubject(), new PrivilegedAction<Void>() {
  53
  54                         @Override
  55                         public Void run() {
  56                                 try {
  57                                         Session adminSession = getRepository().login();
  58                                         initJcr(adminSession);
  59                                 } catch (RepositoryException e) {
  60                                         throw new CmsException("Cannot init JCR home", e);
  61                                 }
  62                                 return null;
  63                         }
  64
  65                 });
  66         }
  67
  68         @Override
  69         protected void processNewSession(Session session) {
  70                 String username = session.getUserID();
  71                 if (username == null)
  72                         return;
  73                 if (session.getUserID().equals(NodeConstants.ROLE_ANONYMOUS))
  74                         return;
  75
  76                 if (checkedUsers.contains(username))
  77                         return;
  78                 Session adminSession = KernelUtils.openAdminSession(getRepository(), session.getWorkspace().getName());
  79                 try {
  80                         syncJcr(adminSession, username);
  81                         checkedUsers.add(username);
  82                 } finally {
  83                         JcrUtils.logoutQuietly(adminSession);
  84                 }
  85         }
  86
  87         /*
  88          * JCR
  89          */
  90         /** Session is logged out. */
  91         private void initJcr(Session adminSession) {
  92                 try {
  93                         JcrUtils.mkdirs(adminSession, homeBasePath);
  94                         JcrUtils.mkdirs(adminSession, groupsBasePath);
  95                         adminSession.save();
  96
  97                         JcrUtils.addPrivilege(adminSession, homeBasePath, NodeConstants.ROLE_USER_ADMIN, Privilege.JCR_READ);
  98                         JcrUtils.addPrivilege(adminSession, groupsBasePath, NodeConstants.ROLE_USER_ADMIN, Privilege.JCR_READ);
  99                         adminSession.save();
 100                 } catch (RepositoryException e) {
 101                         throw new CmsException("Cannot initialize node user admin", e);
 102                 } finally {
 103                         JcrUtils.logoutQuietly(adminSession);
 104                 }
 105         }
 106
 107         private void syncJcr(Session session, String username) {
 108                 try {
 109                         Node userHome = NodeUtils.getUserHome(session, username);
 110                         if (userHome == null) {
 111                                 String homePath = generateUserPath(username);
 112                                 if (session.itemExists(homePath))// duplicate user id
 113                                         userHome = session.getNode(homePath).getParent().addNode(JcrUtils.lastPathElement(homePath));
 114                                 else
 115                                         userHome = JcrUtils.mkdirs(session, homePath);
 116                                 // userHome = JcrUtils.mkfolders(session, homePath);
 117                                 userHome.addMixin(NodeTypes.NODE_USER_HOME);
 118                                 userHome.setProperty(NodeNames.LDAP_UID, username);
 119                                 session.save();
 120
 121                                 JcrUtils.clearAccessControList(session, homePath, username);
 122                                 JcrUtils.addPrivilege(session, homePath, username, Privilege.JCR_ALL);
 123                         }
 124                         if (session.hasPendingChanges())
 125                                 session.save();
 126                 } catch (RepositoryException e) {
 127                         JcrUtils.discardQuietly(session);
 128                         throw new CmsException("Cannot sync node security model for " + username, e);
 129                 }
 130         }
 131
 132         /** Generate path for a new user home */
 133         private String generateUserPath(String username) {
 134                 LdapName dn;
 135                 try {
 136                         dn = new LdapName(username);
 137                 } catch (InvalidNameException e) {
 138                         throw new CmsException("Invalid name " + username, e);
 139                 }
 140                 String userId = dn.getRdn(dn.size() - 1).getValue().toString();
 141                 int atIndex = userId.indexOf('@');
 142                 if (atIndex < 0) {
 143                         return homeBasePath + '/' + userId;
 144                 } else {
 145                         return usersBasePath + '/' + usersDatePath.format(new Date()) + '/' + userId;
 146                 }
 147                 // if (atIndex > 0) {
 148                 // String domain = userId.substring(0, atIndex);
 149                 // String name = userId.substring(atIndex + 1);
 150                 // return base + '/' + domain + '/' + name;
 151                 // } else if (atIndex == 0 || atIndex == (userId.length() - 1)) {
 152                 // throw new CmsException("Unsupported username " + userId);
 153                 // } else {
 154                 // return base + '/' + userId;
 155                 // }
 156         }
 157
 158         public void createWorkgroup(LdapName dn) {
 159                 Session adminSession = KernelUtils.openAdminSession(this);
 160                 String cn = dn.getRdn(dn.size() - 1).getValue().toString();
 161                 Node newWorkgroup = NodeUtils.getGroupHome(adminSession, cn);
 162                 if (newWorkgroup != null) {
 163                         JcrUtils.logoutQuietly(adminSession);
 164                         throw new CmsException("Workgroup " + newWorkgroup + " already exists for " + dn);
 165                 }
 166                 try {
 167                         // TODO enhance transformation of cn to a valid node name
 168                         // String relPath = cn.replaceAll("[^a-zA-Z0-9]", "_");
 169                         String relPath = JcrUtils.replaceInvalidChars(cn);
 170                         newWorkgroup = JcrUtils.mkdirs(adminSession.getNode(groupsBasePath), relPath, NodeType.NT_UNSTRUCTURED);
 171                         newWorkgroup.addMixin(NodeTypes.NODE_GROUP_HOME);
 172                         newWorkgroup.setProperty(NodeNames.LDAP_CN, cn);
 173                         adminSession.save();
 174                         JcrUtils.addPrivilege(adminSession, newWorkgroup.getPath(), dn.toString(), Privilege.JCR_ALL);
 175                         adminSession.save();
 176                 } catch (RepositoryException e) {
 177                         throw new CmsException("Cannot create workgroup", e);
 178                 } finally {
 179                         JcrUtils.logoutQuietly(adminSession);
 180                 }
 181
 182         }
 183
 184 }