/*
This file is part of Cyclos (www.cyclos.org).
A project of the Social Trade Organisation (www.socialtrade.org).
Cyclos is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Cyclos 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Cyclos; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package nl.strohalm.cyclos.controls.general;
import java.util.concurrent.Callable;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import nl.strohalm.cyclos.annotations.Inject;
import nl.strohalm.cyclos.controls.BasePublicAction;
import nl.strohalm.cyclos.entities.access.User;
import nl.strohalm.cyclos.entities.groups.Group;
import nl.strohalm.cyclos.entities.groups.GroupFilter;
import nl.strohalm.cyclos.entities.groups.SystemGroup;
import nl.strohalm.cyclos.entities.members.Element;
import nl.strohalm.cyclos.entities.members.Operator;
import nl.strohalm.cyclos.entities.settings.LocalSettings;
import nl.strohalm.cyclos.utils.LoginHelper;
import nl.strohalm.cyclos.utils.RelationshipHelper;
import nl.strohalm.cyclos.utils.ResponseHelper;
import nl.strohalm.cyclos.utils.access.LoggedUser;
import org.apache.commons.lang.StringUtils;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
/**
* Action used to redirect the user to the correct page when coming from a message or e-mail link
*
* @author luis
*/
public class RedirectFromMessageAction extends BasePublicAction {
private ResponseHelper responseHelper;
@Inject
public void setResponseHelper(final ResponseHelper responseHelper) {
this.responseHelper = responseHelper;
}
@Override
protected ActionForward executeAction(final ActionMapping mapping, final ActionForm actionForm, final HttpServletRequest request, final HttpServletResponse response) throws Exception {
final RedirectFromMessageForm form = (RedirectFromMessageForm) actionForm;
// Get the path
final String path = StringUtils.trimToNull(form.getPath());
if (path == null) {
return null;
}
// Get the element
final long userId = form.getUserId();
Element element = null;
if (userId > 0L) {
element = LoggedUser.runAsSystem(new Callable<Element>() {
@Override
public Element call() throws Exception {
try {
return elementService.load(userId, RelationshipHelper.nested(Element.Relationships.GROUP, Group.Relationships.GROUP_FILTERS));
} catch (final Exception e) {
// ok, leave element null
return null;
}
}
});
}
// Find the currently logged user
final User loggedUser = LoginHelper.getLoggedUser(request);
HttpSession session = request.getSession();
if (userId > 0L && loggedUser != null) {
if (loggedUser.getId().equals(userId)) {
// The expected user is already logged in. Redirect to the path directly
return new ActionForward(path, true);
} else {
// When there was another user logged in, invalidate the session, because we expect a fixed user
session.invalidate();
session = request.getSession();
}
}
String containerUrl = null;
SystemGroup group = null;
if (element != null) {
// Find the container url
if (element instanceof Operator) {
group = (SystemGroup) ((Operator) element).getMember().getGroup();
} else {
group = (SystemGroup) element.getGroup();
}
if (StringUtils.isNotEmpty(group.getContainerUrl())) {
containerUrl = group.getContainerUrl();
} else {
for (final GroupFilter groupFilter : group.getGroupFilters()) {
if (StringUtils.isNotEmpty(groupFilter.getContainerUrl())) {
containerUrl = groupFilter.getContainerUrl();
break;
}
}
}
}
if (StringUtils.isEmpty(containerUrl)) {
// Get the default container url
final LocalSettings localSettings = settingsService.getLocalSettings();
containerUrl = localSettings.getContainerUrl();
}
// Set the containerUrl to session
session.setAttribute("containerUrl", containerUrl);
// Update the cookie for the group
responseHelper.setLoginCookies(request, response, group);
// Set the returnTo on the session, so that after logging in, the user will be redirected to this page
session.setAttribute("returnTo", path);
return mapping.findForward("login");
}
}