/*
 * Copyright (C) 2008-2017, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.service.security.deprecated;

import com.juick.User;
import com.juick.service.security.entities.JuickUser;
import com.juick.service.UserService;
import com.juick.service.security.NullUserDetailsService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.web.authentication.RememberMeServices;
import org.springframework.security.web.authentication.rememberme.AbstractRememberMeServices;
import org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationException;
import org.springframework.util.Assert;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Created by aalexeev on 11/30/16.
 *
 * @deprecated for security reasons
 */
@Deprecated
public class RequestParamHashRememberMeServices extends AbstractRememberMeServices implements RememberMeServices {
    private static final String PARAM_NAME = "hash";

    private final UserService userService;

    public RequestParamHashRememberMeServices(String key, UserService userService) {
        super(key, new NullUserDetailsService());

        Assert.notNull(userService);
        this.userService = userService;
        setAlwaysRemember(false);
    }

    @Override
    protected void onLoginSuccess(HttpServletRequest request, HttpServletResponse response, Authentication successfulAuthentication) {
        // do nothing
    }

    @Override
    protected boolean rememberMeRequested(HttpServletRequest request, String parameter) {
        return false; // always false
    }

    @Override
    protected void cancelCookie(HttpServletRequest request, HttpServletResponse response) {
        // do nothing
    }

    @Override
    protected String extractRememberMeCookie(HttpServletRequest request) {
        return PARAM_NAME; // return any not blank value
    }

    @Override
    protected UserDetails processAutoLoginCookie(
            String[] cookieTokens, HttpServletRequest request, HttpServletResponse response)
            throws RememberMeAuthenticationException, UsernameNotFoundException {
        String hash = request.getParameter(PARAM_NAME);

        if (StringUtils.isNotBlank(hash)) {
            User user = userService.getUserByHash(hash);
            if (!user.isAnonymous())
                return new JuickUser(user);
        }
        throw new UsernameNotFoundException("User not found by hash " + hash);
    }
}