/**
 * ************************************************************************************************
 * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
 * please see http://www.owasp.org/
 * <p>
 * Copyright (c) 2002 - 20014 Bruce Mayhew
 * <p>
 * This program 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.
 * <p>
 * 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
 * General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License along with this program; if
 * not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 * <p>
 * Getting Source ==============
 * <p>
 * Source for this application is maintained at https://github.com/WebGoat/WebGoat, a repository for free software
 * projects.
 * <p>
 *
 * @author WebGoat
 * @version $Id: $Id
 * @since December 12, 2015
 */
package org.owasp.webgoat;

import lombok.AllArgsConstructor;
import org.owasp.webgoat.users.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.annotation.web.configurers.ExpressionUrlAuthorizationConfigurer;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.password.NoOpPasswordEncoder;

/**
 * Security configuration for WebGoat.
 */
@Configuration
@AllArgsConstructor
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    private final UserService userDetailsService;

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        ExpressionUrlAuthorizationConfigurer<HttpSecurity>.ExpressionInterceptUrlRegistry security = http
                .authorizeRequests()
                .antMatchers("/css/**", "/images/**", "/js/**", "fonts/**", "/plugins/**", "/registration", "/register.mvc").permitAll()
                .anyRequest().authenticated();
        security.and()
                .formLogin()
                .loginPage("/login")
                .defaultSuccessUrl("/welcome.mvc", true)
                .usernameParameter("username")
                .passwordParameter("password")
                .permitAll();
        security.and()
                .logout().deleteCookies("JSESSIONID").invalidateHttpSession(true);
        security.and().csrf().disable();

        http.headers().cacheControl().disable();
        http.exceptionHandling().authenticationEntryPoint(new AjaxAuthenticationEntryPoint("/login"));
    }

    //// TODO: 11/18/2016 make this a little bit more configurabe last part at least
    @Override
    public void configure(WebSecurity web) throws Exception {
        web.ignoring().antMatchers("/plugin_lessons/**", "/XXE/**");
    }

    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService); //.passwordEncoder(bCryptPasswordEncoder());
    }

    @Bean
    @Override
    public UserDetailsService userDetailsServiceBean() throws Exception {
        return userDetailsService;
    }

    @Override
    @Bean
    protected AuthenticationManager authenticationManager() throws Exception {
        return super.authenticationManager();
    }

    @SuppressWarnings("deprecation")
    @Bean
    public NoOpPasswordEncoder passwordEncoder() {
        return (NoOpPasswordEncoder) NoOpPasswordEncoder.getInstance();
    }
}