org.argeo.cms/src/org/argeo/cms/internal/kernel/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         private final boolean remote;
  43
  44         public HomeRepository(Repository repository, boolean remote) {
  45                 super(repository);
  46                 this.remote = remote;
  47                 putDescriptor(NodeConstants.CN, NodeConstants.HOME);
  48                 if (!remote) {
  49                         LoginContext lc;
  50                         try {
  51                                 lc = new LoginContext(NodeConstants.LOGIN_CONTEXT_DATA_ADMIN);
  52                                 lc.login();
  53                         } catch (javax.security.auth.login.LoginException e1) {
  54                                 throw new CmsException("Cannot login as systrem", e1);
  55                         }
  56                         Subject.doAs(lc.getSubject(), new PrivilegedAction<Void>() {
  57
  58                                 @Override
  59                                 public Void run() {
  60                                         try {
  61                                                 Session adminSession = getRepository().login();
  62                                                 initJcr(adminSession);
  63                                         } catch (RepositoryException e) {
  64                                                 throw new CmsException("Cannot init JCR home", e);
  65                                         }
  66                                         return null;
  67                                 }
  68
  69                         });
  70                 }
  71         }
  72
  73         @Override
  74         protected void processNewSession(Session session) {
  75                 String username = session.getUserID();
  76                 if (username == null || username.toString().equals(""))
  77                         return;
  78                 if (session.getUserID().equals(NodeConstants.ROLE_ANONYMOUS))
  79                         return;
  80
  81                 if (checkedUsers.contains(username))
  82                         return;
  83                 Session adminSession = KernelUtils.openAdminSession(getRepository(), session.getWorkspace().getName());
  84                 try {
  85                         syncJcr(adminSession, username);
  86                         checkedUsers.add(username);
  87                 } finally {
  88                         JcrUtils.logoutQuietly(adminSession);
  89                 }
  90         }
  91
  92         /*
  93          * JCR
  94          */
  95         /** Session is logged out. */
  96         private void initJcr(Session adminSession) {
  97                 try {
  98                         JcrUtils.mkdirs(adminSession, homeBasePath);
  99                         JcrUtils.mkdirs(adminSession, groupsBasePath);
 100                         adminSession.save();
 101
 102                         JcrUtils.addPrivilege(adminSession, homeBasePath, NodeConstants.ROLE_USER_ADMIN, Privilege.JCR_READ);
 103                         JcrUtils.addPrivilege(adminSession, groupsBasePath, NodeConstants.ROLE_USER_ADMIN, Privilege.JCR_READ);
 104                         adminSession.save();
 105                 } catch (RepositoryException e) {
 106                         throw new CmsException("Cannot initialize home repository", e);
 107                 } finally {
 108                         JcrUtils.logoutQuietly(adminSession);
 109                 }
 110         }
 111
 112         private void syncJcr(Session session, String username) {
 113                 try {
 114                         Node userHome = NodeUtils.getUserHome(session, username);
 115                         if (userHome == null) {
 116                                 String homePath = generateUserPath(username);
 117                                 if (session.itemExists(homePath))// duplicate user id
 118                                         userHome = session.getNode(homePath).getParent().addNode(JcrUtils.lastPathElement(homePath));
 119                                 else
 120                                         userHome = JcrUtils.mkdirs(session, homePath);
 121                                 // userHome = JcrUtils.mkfolders(session, homePath);
 122                                 userHome.addMixin(NodeTypes.NODE_USER_HOME);
 123                                 userHome.addMixin(NodeType.MIX_CREATED);
 124                                 userHome.setProperty(NodeNames.LDAP_UID, username);
 125                                 session.save();
 126
 127                                 JcrUtils.clearAccessControList(session, homePath, username);
 128                                 JcrUtils.addPrivilege(session, homePath, username, Privilege.JCR_ALL);
 129                         }
 130                         if (session.hasPendingChanges())
 131                                 session.save();
 132                 } catch (RepositoryException e) {
 133                         JcrUtils.discardQuietly(session);
 134                         throw new CmsException("Cannot sync node security model for " + username, e);
 135                 }
 136         }
 137
 138         /** Generate path for a new user home */
 139         private String generateUserPath(String username) {
 140                 LdapName dn;
 141                 try {
 142                         dn = new LdapName(username);
 143                 } catch (InvalidNameException e) {
 144                         throw new CmsException("Invalid name " + username, e);
 145                 }
 146                 String userId = dn.getRdn(dn.size() - 1).getValue().toString();
 147                 int atIndex = userId.indexOf('@');
 148                 if (atIndex < 0) {
 149                         return homeBasePath + '/' + userId;
 150                 } else {
 151                         return usersBasePath + '/' + usersDatePath.format(new Date()) + '/' + userId;
 152                 }
 153                 // if (atIndex > 0) {
 154                 // String domain = userId.substring(0, atIndex);
 155                 // String name = userId.substring(atIndex + 1);
 156                 // return base + '/' + domain + '/' + name;
 157                 // } else if (atIndex == 0 || atIndex == (userId.length() - 1)) {
 158                 // throw new CmsException("Unsupported username " + userId);
 159                 // } else {
 160                 // return base + '/' + userId;
 161                 // }
 162         }
 163
 164         public void createWorkgroup(LdapName dn) {
 165                 Session adminSession = KernelUtils.openAdminSession(this);
 166                 String cn = dn.getRdn(dn.size() - 1).getValue().toString();
 167                 Node newWorkgroup = NodeUtils.getGroupHome(adminSession, cn);
 168                 if (newWorkgroup != null) {
 169                         JcrUtils.logoutQuietly(adminSession);
 170                         throw new CmsException("Workgroup " + newWorkgroup + " already exists for " + dn);
 171                 }
 172                 try {
 173                         // TODO enhance transformation of cn to a valid node name
 174                         // String relPath = cn.replaceAll("[^a-zA-Z0-9]", "_");
 175                         String relPath = JcrUtils.replaceInvalidChars(cn);
 176                         newWorkgroup = JcrUtils.mkdirs(adminSession.getNode(groupsBasePath), relPath, NodeType.NT_UNSTRUCTURED);
 177                         newWorkgroup.addMixin(NodeTypes.NODE_GROUP_HOME);
 178                         newWorkgroup.addMixin(NodeType.MIX_CREATED);
 179                         newWorkgroup.setProperty(NodeNames.LDAP_CN, cn);
 180                         adminSession.save();
 181                         JcrUtils.addPrivilege(adminSession, newWorkgroup.getPath(), dn.toString(), Privilege.JCR_ALL);
 182                         adminSession.save();
 183                 } catch (RepositoryException e) {
 184                         throw new CmsException("Cannot create workgroup", e);
 185                 } finally {
 186                         JcrUtils.logoutQuietly(adminSession);
 187                 }
 188
 189         }
 190
 191 }