Support roles from multiple directories

[lgpl/argeo-commons.git] / org.argeo.util / src / org / argeo / osgi / useradmin / DirectoryUserAdmin.java

diff --git a/org.argeo.util/src/org/argeo/osgi/useradmin/DirectoryUserAdmin.java b/org.argeo.util/src/org/argeo/osgi/useradmin/DirectoryUserAdmin.java
index 6f3bd1a6865695cbdbc48729c10a7fda745fc156..ac076167e02bb2983a266db60716eb942b5b467d 100644 (file)
--- a/org.argeo.util/src/org/argeo/osgi/useradmin/DirectoryUserAdmin.java
+++ b/org.argeo.util/src/org/argeo/osgi/useradmin/DirectoryUserAdmin.java
@@ -8,9 +8,10 @@ import static org.argeo.util.naming.LdapObjs.person;
 import static org.argeo.util.naming.LdapObjs.top;
 
 import java.net.URI;
-import java.nio.channels.UnsupportedAddressTypeException;
+import java.security.PrivilegedAction;
 import java.util.ArrayList;
 import java.util.Dictionary;
+import java.util.Hashtable;
 import java.util.Iterator;
 import java.util.List;
 
@@ -21,7 +22,11 @@ import javax.naming.directory.BasicAttribute;
 import javax.naming.directory.BasicAttributes;
 import javax.naming.ldap.LdapName;
 import javax.naming.ldap.Rdn;
+import javax.security.auth.Subject;
+import javax.security.auth.kerberos.KerberosKey;
+import javax.security.auth.kerberos.KerberosTicket;
 
+import org.argeo.util.CurrentSubject;
 import org.argeo.util.directory.DirectoryConf;
 import org.argeo.util.directory.DirectoryDigestUtils;
 import org.argeo.util.directory.HierarchyUnit;
@@ -146,16 +151,16 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
        protected List<Role> getAllRoles(DirectoryUser user) {
                List<Role> allRoles = new ArrayList<Role>();
                if (user != null) {
-                       collectRoles(user, allRoles);
+                       collectRoles((LdapEntry) user, allRoles);
                        allRoles.add(user);
                } else
                        collectAnonymousRoles(allRoles);
                return allRoles;
        }
 
-       private void collectRoles(DirectoryUser user, List<Role> allRoles) {
+       private void collectRoles(LdapEntry user, List<Role> allRoles) {
                List<LdapEntry> allEntries = new ArrayList<>();
-               LdapEntry entry = (LdapEntry) user;
+               LdapEntry entry = user;
                collectGroups(entry, allEntries);
                for (LdapEntry e : allEntries) {
                        if (e instanceof Role)
@@ -275,24 +280,52 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
 
        @Override
        public Authorization getAuthorization(User user) {
-               if (user == null || user instanceof DirectoryUser) {
-                       return new LdifAuthorization(user, getAllRoles((DirectoryUser) user));
+               if (user == null) {// anonymous
+                       return new LdifAuthorization(user, getAllRoles(null));
+               }
+               LdapName userName = toLdapName(user.getName());
+               if (isExternal(userName) && user instanceof LdapEntry) {
+                       List<Role> allRoles = new ArrayList<Role>();
+                       collectRoles((LdapEntry) user, allRoles);
+                       return new LdifAuthorization(user, allRoles);
                } else {
-                       // bind
-                       DirectoryUserAdmin scopedUserAdmin = (DirectoryUserAdmin) scope(user);
-                       try {
-                               DirectoryUser directoryUser = (DirectoryUser) scopedUserAdmin.getRole(user.getName());
-                               if (directoryUser == null)
-                                       throw new IllegalStateException("No scoped user found for " + user);
-                               LdifAuthorization authorization = new LdifAuthorization(directoryUser,
-                                               scopedUserAdmin.getAllRoles(directoryUser));
-                               return authorization;
-                       } finally {
-                               scopedUserAdmin.destroy();
+
+                       Subject currentSubject = CurrentSubject.current();
+                       if (currentSubject != null //
+                                       && !currentSubject.getPrivateCredentials(Authorization.class).isEmpty() //
+                                       && !currentSubject.getPrivateCredentials(KerberosTicket.class).isEmpty()) {
+                               // TODO not only Kerberos but also bind scope with kept password ?
+                               Authorization auth = currentSubject.getPrivateCredentials(Authorization.class).iterator().next();
+                               // bind with authenticating user
+                               DirectoryUserAdmin scopedUserAdmin = Subject.doAs(currentSubject,
+                                               (PrivilegedAction<DirectoryUserAdmin>) () -> (DirectoryUserAdmin) scope(
+                                                               new AuthenticatingUser(auth.getName(), new Hashtable<>())));
+                               return getAuthorizationFromScoped(scopedUserAdmin, user);
+                       }
+
+                       if (user instanceof DirectoryUser) {
+                               return new LdifAuthorization(user, getAllRoles((DirectoryUser) user));
+                       } else {
+                               // bind with authenticating user
+                               DirectoryUserAdmin scopedUserAdmin = (DirectoryUserAdmin) scope(user);
+                               return getAuthorizationFromScoped(scopedUserAdmin, user);
                        }
                }
        }
 
+       private Authorization getAuthorizationFromScoped(DirectoryUserAdmin scopedUserAdmin, User user) {
+               try {
+                       DirectoryUser directoryUser = (DirectoryUser) scopedUserAdmin.getRole(user.getName());
+                       if (directoryUser == null)
+                               throw new IllegalStateException("No scoped user found for " + user);
+                       LdifAuthorization authorization = new LdifAuthorization(directoryUser,
+                                       scopedUserAdmin.getAllRoles(directoryUser));
+                       return authorization;
+               } finally {
+                       scopedUserAdmin.destroy();
+               }
+       }
+
        @Override
        public Role createRole(String name, int type) {
                checkEdit();