/**
*
* Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
**/
package lucee.runtime.functions.csrf;
import lucee.runtime.PageContext;
import lucee.runtime.exp.ExpressionException;
import lucee.runtime.exp.PageException;
import lucee.runtime.ext.function.Function;
import lucee.runtime.type.scope.Session;
import lucee.runtime.type.scope.storage.StorageScope;
public class CSRFGenerateToken implements Function {
private static final long serialVersionUID = -2411153524245619987L;
public static String call(PageContext pc) throws PageException {
return call(pc, null, false);
}
public static String call(PageContext pc, String key) throws PageException {
return call(pc, key, false);
}
public static String call(PageContext pc, String key, boolean forceNew) throws PageException {
if(key==null) key="";
return getStorageScope(pc).generateToken(key, forceNew);
}
public static StorageScope getStorageScope(PageContext pc) throws PageException {
Session session = pc.sessionScope();
if(!(session instanceof StorageScope))
throw new ExpressionException("this function only works with CF Sessions");
return (StorageScope) session;
}
}