/**
* Blocks an external component from connecting to the local server. If the component was
*
* <p>connected when the permission was revoked then the connection of the entity will be closed.
*
* @param subdomain the subdomain of the external component that is not allowed to connect.
*/
public static void blockAccess(String subdomain) {
// Remove any previous configuration for this external component
deleteConfiguration(subdomain);
// Update the database with the new revoked permission
ExternalComponentConfiguration config = new ExternalComponentConfiguration(subdomain);
config.setPermission(Permission.blocked);
addConfiguration(config);
// Check if the component was connected and proceed to close the connection
String domain = subdomain + "." + XMPPServer.getInstance().getServerInfo().getDefaultName();
Session session = SessionManager.getInstance().getComponentSession(domain);
if (session != null) {
session.getConnection().close();
}
}
/**
* Deletes a user from all the groups where he/she belongs. The most probable cause for this
* request is that the user has been deleted from the system.
*
* <p>TODO: remove this method and use events isntead.
*
* @param user the deleted user from the system.
*/
public void deleteUser(User user) {
JID userJID = XMPPServer.getInstance().createJID(user.getUsername(), null);
for (Group group : getGroups(userJID)) {
if (group.getAdmins().contains(userJID)) {
group.getAdmins().remove(userJID);
} else {
group.getMembers().remove(userJID);
}
}
}