org.argeo.eclipse.ui.workbench/src/org/argeo/eclipse/ui/workbench/users/internal/UsersUtils.java

   1 package org.argeo.eclipse.ui.workbench.users.internal;
   2
   3 import java.security.AccessController;
   4 import java.util.List;
   5
   6 import javax.naming.InvalidNameException;
   7 import javax.naming.ldap.LdapName;
   8 import javax.naming.ldap.Rdn;
   9 import javax.security.auth.Subject;
  10 import javax.security.auth.x500.X500Principal;
  11
  12 import org.argeo.ArgeoException;
  13 import org.argeo.osgi.useradmin.LdifName;
  14 import org.osgi.service.useradmin.Role;
  15 import org.osgi.service.useradmin.User;
  16
  17 /** Utility methods to manage user concepts in the ui.workbench bundle */
  18 public class UsersUtils {
  19         // TODO this constant is defined in the CMS
  20         public final static String ROLES_BASEDN = "ou=roles,ou=node";
  21
  22         public final static boolean isCurrentUser(User user) {
  23                 String userName = getProperty(user, LdifName.dn.name());
  24                 try {
  25                         LdapName selfUserName = getLdapName();
  26                         LdapName userLdapName = new LdapName(userName);
  27                         if (userLdapName.equals(selfUserName))
  28                                 return true;
  29                         else
  30                                 return false;
  31                 } catch (InvalidNameException e) {
  32                         throw new ArgeoException("User " + user + " has an unvalid dn: "
  33                                         + userName, e);
  34                 }
  35         }
  36
  37         public final static LdapName getLdapName() {
  38                 Subject subject = Subject.getSubject(AccessController.getContext());
  39                 String name = subject.getPrincipals(X500Principal.class).iterator()
  40                                 .next().toString();
  41                 LdapName dn;
  42                 try {
  43                         dn = new LdapName(name);
  44                 } catch (InvalidNameException e) {
  45                         throw new ArgeoException("Invalid user dn " + name, e);
  46                 }
  47                 return dn;
  48         }
  49
  50         public final static String getCommonName(User user) {
  51                 return getProperty(user, LdifName.cn.name());
  52         }
  53
  54         /** Simply retrieves a display name of the relevant domain */
  55         public final static String getDomainName(User user) {
  56                 String dn = (String) user.getProperties().get(LdifName.dn.name());
  57                 if (dn.endsWith(ROLES_BASEDN))
  58                         return "System roles";
  59                 try {
  60                         LdapName name;
  61                         name = new LdapName(dn);
  62                         List<Rdn> rdns = name.getRdns();
  63                         String dname = null;
  64                         int i = 0;
  65                         loop: while (i < rdns.size()) {
  66                                 Rdn currrRdn = rdns.get(i);
  67                                 if (!"dc".equals(currrRdn.getType()))
  68                                         break loop;
  69                                 else {
  70                                         String currVal = (String) currrRdn.getValue();
  71                                         dname = dname == null ? currVal : currVal + "." + dname;
  72                                 }
  73                                 i++;
  74                         }
  75                         return dname;
  76                 } catch (InvalidNameException e) {
  77                         throw new ArgeoException("Unable to get domain name for " + dn, e);
  78                 }
  79         }
  80
  81         public final static String getProperty(Role role, String key) {
  82                 Object obj = role.getProperties().get(key);
  83                 if (obj != null)
  84                         return (String) obj;
  85                 else
  86                         return "";
  87         }
  88
  89         /*
  90          * INTERNAL METHODS: Below methods are meant to stay here and are not part
  91          * of a potential generic backend to manage the useradmin
  92          */
  93         public final static boolean notNull(String string) {
  94                 if (string == null)
  95                         return false;
  96                 else
  97                         return !"".equals(string.trim());
  98         }
  99
 100 }