1. Spring Boot + Spring Security 基本原理以及配置默认的Security

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qq_29451823/article/details/82804971

1. 基本原理
   
2. 配置默认的表单认证 和 Httpbasic弹出框认证

package com.imooc.security.browser;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

import com.imooc.security.core.properties.SecurityProperties;

@Configuration
public class BrowserSecurityConfig extends WebSecurityConfigurerAdapter{
	
	@Override
	protected void configure(HttpSecurity http) throws Exception {
		http.formLogin()//表单认证
			.and()
			.authorizeRequests()//对请求做一个授权
			.anyRequest()//任何请求
			.authenticated()//身份认证
	}
}

3.配置自带的加密的方式
MyUserDetailsService 用于处理用户信息获取逻辑（加密，设置权限等）

package com.imooc.security.browser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Component;

/**
 * 处理用户信息获取逻辑
 * @author Administrator
 *
 */
@Component
public class MyUserDetailsService implements UserDetailsService {
	
	private Logger logger = LoggerFactory.getLogger(getClass());
	
	@Autowired
	private PasswordEncoder passwordEncoder;
	
	@Override
	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
		logger.info("登陆用户名：" + username);
		//根据用户名查找用户信息
		//根据查找到的用户信息判断用户是否被冻结
		String password = passwordEncoder.encode("123456");
		logger.info("数据库中获取的密码：" + password);
		return new User(username,password,true,true,true,true,
				AuthorityUtils.commaSeparatedStringToAuthorityList("admin"));//admin代表权限
		
	}

}

加载密码加密配置

package com.imooc.security.browser;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

import com.imooc.security.core.properties.SecurityProperties;

@Configuration
public class BrowserSecurityConfig extends WebSecurityConfigurerAdapter{
	/**
	 * 处理密码加密解密
	 * @return
	 */
	@Bean
	public PasswordEncoder passwordEncode() {
		//PasswordEncoder的一个实现类
		return new BCryptPasswordEncoder();
	}
	
	@Override
	protected void configure(HttpSecurity http) throws Exception {
		http.formLogin()//表单认证
			.and()
			.authorizeRequests()//对请求做一个授权
			.anyRequest()//任何请求
			.authenticated()//身份认证
	}
}