/*
* eXist Open Source Native XML Database
* Copyright (C) 2004-2009 The eXist Project
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id$
*/
package org.exist.xquery.functions.xmldb;
import org.apache.log4j.Logger;
import org.exist.dom.QName;
import org.exist.security.Account;
import org.exist.xmldb.LocalCollection;
import org.exist.xmldb.UserManagementService;
import org.exist.xmldb.XmldbURI;
import org.exist.xquery.BasicFunction;
import org.exist.xquery.Cardinality;
import org.exist.xquery.FunctionSignature;
import org.exist.xquery.XPathException;
import org.exist.xquery.XQueryContext;
import org.exist.xquery.functions.securitymanager.GroupMembershipFunction;
import org.exist.xquery.value.BooleanValue;
import org.exist.xquery.value.FunctionReturnSequenceType;
import org.exist.xquery.value.FunctionParameterSequenceType;
import org.exist.xquery.value.Sequence;
import org.exist.xquery.value.SequenceType;
import org.exist.xquery.value.Type;
import org.xmldb.api.base.Collection;
import org.xmldb.api.base.XMLDBException;
/**
* @author wolf
*/
@Deprecated
public class XMLDBIsAdmin extends BasicFunction {
protected static final Logger logger = Logger.getLogger(XMLDBIsAdmin.class);
public final static FunctionSignature signature = new FunctionSignature(
new QName("is-admin-user", XMLDBModule.NAMESPACE_URI,
XMLDBModule.PREFIX),
"Returns true() if user $user-id has DBA role, false() otherwise.",
new SequenceType[]{
new FunctionParameterSequenceType("user-id", Type.STRING, Cardinality.EXACTLY_ONE, "The user-id"),
},
new FunctionReturnSequenceType(Type.BOOLEAN, Cardinality.ZERO_OR_ONE, "true() if user has DBA role, false() otherwise"),
GroupMembershipFunction.FNS_IS_DBA
);
public XMLDBIsAdmin(XQueryContext context) {
super(context, signature);
}
/* (non-Javadoc)
* @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[], org.exist.xquery.value.Sequence)
*/
public Sequence eval(Sequence[] args, Sequence contextSequence)
throws XPathException {
final String userName = args[0].getStringValue();
Collection collection = null;
try {
collection = new LocalCollection(context.getSubject(), context.getBroker().getBrokerPool(), XmldbURI.ROOT_COLLECTION_URI, context.getAccessContext());
final UserManagementService ums = (UserManagementService) collection.getService("UserManagementService", "1.0");
final Account user = ums.getAccount(userName);
if(user == null)
// todo - why not just return false()? /ljo
{return Sequence.EMPTY_SEQUENCE;}
return user.hasDbaRole() ? BooleanValue.TRUE : BooleanValue.FALSE;
} catch (final XMLDBException xe) {
logger.error("Failed to access user " + userName);
throw new XPathException(this, "Failed to access user " + userName, xe);
} finally {
if (null != collection)
try { collection.close(); } catch (final XMLDBException e) { /* ignore */ }
}
}
}