/**
* Copyright © 2002 Instituto Superior Técnico
*
* This file is part of FenixEdu Academic.
*
* FenixEdu Academic 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 3 of the License, or
* (at your option) any later version.
*
* FenixEdu Academic 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 FenixEdu Academic. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*
*/
package org.fenixedu.academic.predicate;
import org.fenixedu.academic.domain.Person;
import org.fenixedu.bennu.core.domain.User;
import org.fenixedu.bennu.core.security.Authenticate;
import pt.ist.fenixframework.DomainObject;
/**
* @author <a href="mailto:goncalo@ist.utl.pt">Goncalo Luiz</a> <br/>
* <br/>
* <br/>
* Created on 17:31:53,23/Nov/2005
* @version $Id$
*/
public class AccessControl {
static public Person getPerson() {
final User userView = Authenticate.getUser();
return userView == null ? null : userView.getPerson();
}
public static <T extends DomainObject> void check(T c, AccessControlPredicate<T> predicate) {
Person requester = AccessControl.getPerson();
boolean result = false;
result |= (predicate != null && predicate.evaluate(c));
if (!result) {
StringBuilder message = new StringBuilder();
message.append("User ").append(requester == null ? "" : requester.getUsername())
.append(" tried to execute access content instance number").append(c.getExternalId());
message.append("but he/she is not authorized to do so");
throw new IllegalDataAccessException(message.toString(), requester);
}
}
public static <T> void check(T c, AccessControlPredicate<T> predicate) {
Person requester = AccessControl.getPerson();
boolean result = false;
result |= (predicate != null && predicate.evaluate(c));
if (!result) {
StringBuilder message = new StringBuilder();
message.append("User ").append(requester.getUsername()).append(" tried to execute access content instance number")
.append(c.toString());
message.append("but he/she is not authorized to do so");
throw new IllegalDataAccessException(message.toString(), requester);
}
}
static public void check(AccessControlPredicate<?> predicate) {
Person requester = AccessControl.getPerson();
boolean result = false;
result |= (predicate != null && predicate.evaluate(null));
if (!result) {
StringBuilder message = new StringBuilder();
final String username = requester == null ? "<nobody>" : requester.getUsername();
message.append("User ");
message.append(username);
message.append(" tried to execute method but he/she is not authorized to do so");
throw new IllegalDataAccessException(message.toString(), requester);
}
}
}