package YalpServer;

import java.util.ArrayList;

import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;

import YalpInterfaces.*;

public class AuthPluginHandler {

	private ArrayList<AuthPlugin> plugins;
	private static int auth_ids = 0;

	private String log4jFile = "log4j_server.conf";

	private static Logger logger =
		Logger.getLogger("Yalp.Server.AuthPluginHandler");

	public AuthPluginHandler() {
		PropertyConfigurator.configureAndWatch(log4jFile);
		logger.debug("AuthPluginHandler()");
		plugins = new ArrayList<AuthPlugin>();
	}

	public PluginInfo addPlugin(AuthPlugin plugin)
	{
		logger.debug("addPlugin("+plugin.info.name+")");
		plugin.info.id = auth_ids++;
		plugins.add(plugin);
		return plugin.info;
	}

	Session logon( String userName,
                 String password,
                 String ipAddress,
                 SessionHolder session,
                 YalpErrorHolder err )
	{
		YalpUserHolder user = new YalpUserHolder();
		PluginInfo[] p = {};

		for (AuthPlugin plugin : plugins)
		{
			plugin.itf.userVerify(userName, password, err, user);
			if (err.value.code == YalpErrorCode.OK)
			{
				session.value = new Session (auth_ids++, user.value, ipAddress, p);
				return session.value;
			}
		}

		/* user not accepted return dummy objects (null causes segfault in corba) */
		YalpUser no_user = new YalpUser(-1, "", "", AccessRights.DENY);
		Session s = new Session (-1, no_user, "0.0.0.0", p);
		return s;
	}
}