Multiple user referentials working with IPA.
[lgpl/argeo-commons.git] / org.argeo.util / src / org / argeo / osgi / useradmin / DirectoryUserAdmin.java
index 9f6d62d7a64600e85224c717786c0379335868fe..fbcff484c7938a77cd781968b3e8529e2532f1f1 100644 (file)
@@ -8,11 +8,12 @@ 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.util.ArrayList;
 import java.util.Dictionary;
+import java.util.Hashtable;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Optional;
 
 import javax.naming.Context;
 import javax.naming.InvalidNameException;
@@ -21,16 +22,19 @@ 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.KerberosTicket;
 
+import org.argeo.util.CurrentSubject;
 import org.argeo.util.directory.DirectoryConf;
 import org.argeo.util.directory.DirectoryDigestUtils;
 import org.argeo.util.directory.HierarchyUnit;
 import org.argeo.util.directory.ldap.AbstractLdapDirectory;
+import org.argeo.util.directory.ldap.LdapDao;
 import org.argeo.util.directory.ldap.LdapEntry;
 import org.argeo.util.directory.ldap.LdapEntryWorkingCopy;
 import org.argeo.util.directory.ldap.LdapNameUtils;
 import org.argeo.util.directory.ldap.LdifDao;
-import org.argeo.util.naming.LdapObjs;
 import org.osgi.framework.Filter;
 import org.osgi.framework.FrameworkUtil;
 import org.osgi.framework.InvalidSyntaxException;
@@ -43,12 +47,8 @@ import org.osgi.service.useradmin.UserAdmin;
 public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdmin, UserDirectory {
 
        private UserAdmin externalRoles;
-       // private List<String> indexedUserProperties = Arrays
-       // .asList(new String[] { LdapAttrs.uid.name(), LdapAttrs.mail.name(),
-       // LdapAttrs.cn.name() });
 
        // Transaction
-//     private TransactionManager transactionManager;
        public DirectoryUserAdmin(URI uriArg, Dictionary<String, ?> props) {
                this(uriArg, props, false);
        }
@@ -65,16 +65,22 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
         * ABSTRACT METHODS
         */
 
-       protected AbstractLdapDirectory scope(User user) {
-               throw new UnsupportedAddressTypeException();
+       protected Optional<DirectoryUserAdmin> scope(User user) {
+               if (getDirectoryDao() instanceof LdapDao) {
+                       return scopeLdap(user);
+               } else if (getDirectoryDao() instanceof LdifDao) {
+                       return scopeLdif(user);
+               } else {
+                       throw new IllegalStateException("Unsupported DAO " + getDirectoryDao().getClass());
+               }
        }
 
-       protected DirectoryUserAdmin scopeLdap(User user) {
+       protected Optional<DirectoryUserAdmin> scopeLdap(User user) {
                Dictionary<String, Object> credentials = user.getCredentials();
                String username = (String) credentials.get(SHARED_STATE_USERNAME);
                if (username == null)
                        username = user.getName();
-               Dictionary<String, Object> properties = cloneProperties();
+               Dictionary<String, Object> properties = cloneConfigProperties();
                properties.put(Context.SECURITY_PRINCIPAL, username.toString());
                Object pwdCred = credentials.get(SHARED_STATE_PASSWORD);
                byte[] pwd = (byte[]) pwdCred;
@@ -84,10 +90,15 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
                } else {
                        properties.put(Context.SECURITY_AUTHENTICATION, "GSSAPI");
                }
-               return new DirectoryUserAdmin(null, properties, true);
+               DirectoryUserAdmin scopedDirectory = new DirectoryUserAdmin(null, properties, true);
+               scopedDirectory.init();
+               // check connection
+               if (!scopedDirectory.getDirectoryDao().checkConnection())
+                       return Optional.empty();
+               return Optional.of(scopedDirectory);
        }
 
-       protected DirectoryUserAdmin scopeLdif(User user) {
+       protected Optional<DirectoryUserAdmin> scopeLdif(User user) {
                Dictionary<String, Object> credentials = user.getCredentials();
                String username = (String) credentials.get(SHARED_STATE_USERNAME);
                if (username == null)
@@ -102,14 +113,14 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
                } else {
                        throw new IllegalStateException("Password is required");
                }
-               Dictionary<String, Object> properties = cloneProperties();
+               Dictionary<String, Object> properties = cloneConfigProperties();
                properties.put(DirectoryConf.readOnly.name(), "true");
                DirectoryUserAdmin scopedUserAdmin = new DirectoryUserAdmin(null, properties, true);
-//             scopedUserAdmin.groups = Collections.unmodifiableNavigableMap(groups);
-//             scopedUserAdmin.users = Collections.unmodifiableNavigableMap(users);
                // FIXME do it better
                ((LdifDao) getDirectoryDao()).scope((LdifDao) scopedUserAdmin.getDirectoryDao());
-               return scopedUserAdmin;
+               // no need to check authentication
+               scopedUserAdmin.init();
+               return Optional.of(scopedUserAdmin);
        }
 
        @Override
@@ -126,53 +137,33 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
 
        @Override
        public Role getRoleByPath(String path) {
-               return (Role) doGetRole(pathToName(path));
+               LdapEntry entry = doGetRole(pathToName(path));
+               if (!(entry instanceof Role)) {
+                       return null;
+//                     throw new IllegalStateException("Path must be a UserAdmin Role.");
+               } else {
+                       return (Role) entry;
+               }
        }
 
        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) {
-                       allRoles.add((Role) e);
+                       if (e instanceof Role)
+                               allRoles.add((Role) e);
                }
-//             Attributes attrs = user.getAttributes();
-//             // TODO centralize attribute name
-//             Attribute memberOf = attrs.get(LdapAttrs.memberOf.name());
-//             // if user belongs to this directory, we only check memberOf
-//             if (memberOf != null && user.getDn().startsWith(getBaseDn())) {
-//                     try {
-//                             NamingEnumeration<?> values = memberOf.getAll();
-//                             while (values.hasMore()) {
-//                                     Object value = values.next();
-//                                     LdapName groupDn = new LdapName(value.toString());
-//                                     DirectoryUser group = doGetRole(groupDn);
-//                                     if (group != null)
-//                                             allRoles.add(group);
-//                             }
-//                     } catch (NamingException e) {
-//                             throw new IllegalStateException("Cannot get memberOf groups for " + user, e);
-//                     }
-//             } else {
-//                     for (LdapName groupDn : getDirectoryDao().getDirectGroups(user.getDn())) {
-//                             // TODO check for loops
-//                             DirectoryUser group = doGetRole(groupDn);
-//                             if (group != null) {
-//                                     allRoles.add(group);
-//                                     collectRoles(group, allRoles);
-//                             }
-//                     }
-//             }
        }
 
        private void collectAnonymousRoles(List<Role> allRoles) {
@@ -214,21 +205,6 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
                        // no need to check modified users,
                        // since doGetRoles was already based on the modified attributes
                }
-
-               // if non deep we also search users and groups
-//             if (!deep) {
-//                     try {
-//                             if (!(searchBase.endsWith(new LdapName(getUserBase()))
-//                                             || searchBase.endsWith(new LdapName(getGroupBase())))) {
-//                                     LdapName usersBase = (LdapName) ((LdapName) searchBase.clone()).add(getUserBase());
-//                                     res.addAll(getRoles(usersBase, filter, false));
-//                                     LdapName groupsBase = (LdapName) ((LdapName) searchBase.clone()).add(getGroupBase());
-//                                     res.addAll(getRoles(groupsBase, filter, false));
-//                             }
-//                     } catch (InvalidNameException e) {
-//                             throw new IllegalStateException("Cannot search users and groups", e);
-//                     }
-//             }
                return res;
        }
 
@@ -260,30 +236,60 @@ 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 //
+                                       && getRealm().isPresent() //
+                                       && !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 = CurrentSubject.callAs(currentSubject, () -> {
+                                       return scope(new AuthenticatingUser(auth.getName(), new Hashtable<>())).orElseThrow();
+                               });
+                               return getAuthorizationFromScoped(scopedUserAdmin, user);
+                       }
+
+                       if (user instanceof DirectoryUser) {
+                               return new LdifAuthorization(user, getAllRoles((DirectoryUser) user));
+                       } else {
+                               // bind with authenticating user
+                               DirectoryUserAdmin scopedUserAdmin = scope(user).orElseThrow();
+                               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();
                LdapEntryWorkingCopy wc = getWorkingCopy();
                LdapName dn = toLdapName(name);
-               if ((getDirectoryDao().daoHasEntry(dn) && !wc.getDeletedData().containsKey(dn))
+               if ((getDirectoryDao().entryExists(dn) && !wc.getDeletedData().containsKey(dn))
                                || wc.getNewData().containsKey(dn))
                        throw new IllegalArgumentException("Already a role " + name);
                BasicAttributes attrs = new BasicAttributes(true);
@@ -297,13 +303,13 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
                        return getRole(name);
                } else {
                        wc.getModifiedData().put(dn, attrs);
-                       LdapEntry newRole = newRole(dn, type, attrs);
+                       LdapEntry newRole = doCreateRole(dn, type, attrs);
                        wc.getNewData().put(dn, newRole);
                        return (Role) newRole;
                }
        }
 
-       protected LdapEntry newRole(LdapName dn, int type, Attributes attrs) {
+       private LdapEntry doCreateRole(LdapName dn, int type, Attributes attrs) {
                LdapEntry newRole;
                BasicAttribute objClass = new BasicAttribute(objectClass.name());
                if (type == Role.USER) {
@@ -318,14 +324,14 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
                        objClass.add(top.name());
                        objClass.add(extensibleObject.name());
                        attrs.put(objClass);
-                       newRole = newUser(dn, attrs);
+                       newRole = newUser(dn);
                } else if (type == Role.GROUP) {
                        String groupObjClass = getGroupObjectClass();
                        objClass.add(groupObjClass);
                        // objClass.add(LdifName.extensibleObject.name());
                        objClass.add(top.name());
                        attrs.put(objClass);
-                       newRole = newGroup(dn, attrs);
+                       newRole = newGroup(dn);
                } else
                        throw new IllegalArgumentException("Unsupported type " + type);
                return newRole;
@@ -334,22 +340,6 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
        @Override
        public boolean removeRole(String name) {
                return removeEntry(LdapNameUtils.toLdapName(name));
-//             checkEdit();
-//             LdapEntryWorkingCopy wc = getWorkingCopy();
-//             LdapName dn = toLdapName(name);
-//             boolean actuallyDeleted;
-//             if (getDirectoryDao().daoHasEntry(dn) || wc.getNewData().containsKey(dn)) {
-//                     DirectoryUser user = (DirectoryUser) getRole(name);
-//                     wc.getDeletedData().put(dn, user);
-//                     actuallyDeleted = true;
-//             } else {// just removing from groups (e.g. system roles)
-//                     actuallyDeleted = false;
-//             }
-//             for (LdapName groupDn : getDirectoryDao().getDirectGroups(dn)) {
-//                     LdapEntry group = doGetRole(groupDn);
-//                     group.getAttributes().get(getMemberAttributeId()).remove(dn.toString());
-//             }
-//             return actuallyDeleted;
        }
 
        /*
@@ -367,7 +357,7 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
 
        @Override
        public Iterable<? extends Role> getHierarchyUnitRoles(HierarchyUnit hierarchyUnit, String filter, boolean deep) {
-               LdapName dn = LdapNameUtils.toLdapName(hierarchyUnit.getContext());
+               LdapName dn = LdapNameUtils.toLdapName(hierarchyUnit.getBase());
                try {
                        return getRoles(dn, filter, deep);
                } catch (InvalidSyntaxException e) {
@@ -378,19 +368,13 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
        /*
         * ROLES CREATION
         */
-       protected LdapEntry newUser(LdapName name, Attributes attrs) {
+       protected LdapEntry newUser(LdapName name) {
                // TODO support devices, applications, etc.
-               return new LdifUser.LdifPerson(this, name, attrs);
+               return new LdifUser(this, name);
        }
 
-       protected LdapEntry newGroup(LdapName name, Attributes attrs) {
-               if (LdapNameUtils.getParentRdn(name).equals(getSystemRoleBaseRdn()))
-                       return new LdifGroup.LdifSystemPermissions(this, name, attrs);
-
-               if (hasObjectClass(attrs, LdapObjs.organization))
-                       return new LdifGroup.LdifOrganization(this, name, attrs);
-               else
-                       return new LdifGroup.LdifFunctionalGroup(this, name, attrs);
+       protected LdapEntry newGroup(LdapName name) {
+               return new LdifGroup(this, name);
 
        }
 
@@ -403,10 +387,6 @@ public class DirectoryUserAdmin extends AbstractLdapDirectory implements UserAdm
                this.externalRoles = externalRoles;
        }
 
-//     public void setTransactionManager(TransactionManager transactionManager) {
-//             this.transactionManager = transactionManager;
-//     }
-
        /*
         * STATIC UTILITIES
         */