/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.edurt.config;
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.authentication.encoding.Md5PasswordEncoder;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.provisioning.InMemoryUserDetailsManager;
/**
 * WebSecurityConfig <br/>
 * 描述 : WebSecurityConfig <br/>
 * 作者 : qianmoQ <br/>
 * 版本 : 1.0 <br/>
 * 創(chuàng)建時間 : 2018-03-15 下午3:18 <br/>
 * 聯(lián)系作者 : <a href="mailTo:shichengoooo@163.com" rel="external nofollow" >qianmoQ</a>
 */
@Configuration
// 開啟security訪問授權
@EnableWebSecurity
// 開啟security注解模式
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
    @Bean
    @Override
    protected AuthenticationManager authenticationManager() throws Exception {
        return super.authenticationManager();
    }
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        // 允許直接訪問/路徑
        http.authorizeRequests().antMatchers("/").permitAll()
                // 其他路徑需要授權訪問
                .anyRequest().authenticated()
                // 指定登錄頁面
                .and().formLogin().loginPage("/user/login")
                // 登錄成功后的默認路徑
                .defaultSuccessUrl("/").permitAll()
                // 退出登錄后的默認路徑
                .and().logout().logoutSuccessUrl("/user/login").permitAll();
    }
    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
        // 配置用戶登錄檢索策略
        auth.userDetailsService(userDetailsService())
                // 配置密碼策略
                .passwordEncoder(passwordEncoder());
//        auth.inMemoryAuthentication().withUser("user").password("123456").roles("USER")
//                .and().withUser("admin").password("123456").roles("ADMIN");
    }
    @Bean
    public Md5PasswordEncoder passwordEncoder() {
        return new Md5PasswordEncoder();
    }
    @Bean
    public UserDetailsService userDetailsService() {
        InMemoryUserDetailsManager manager = new InMemoryUserDetailsManager();
        // 創(chuàng)建模擬用戶
        manager.createUser(User.withUsername("user").password("123456").roles("USER").build());
        manager.createUser(User.withUsername("admin").password("123456").roles("ADMIN").build());
        return manager;
    }
}