JavaWeb-SpringSecurity自定义登陆配置

package com.Gary.GaryRESTful.handler;

import java.io.IOException;

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

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
import org.springframework.stereotype.Component;

import com.fasterxml.jackson.databind.ObjectMapper;

@Component
public class LoginSuccessHandler implements AuthenticationSuccessHandler{

    //将我们的authentication转换为json所需要的类
    @Autowired
    private ObjectMapper objectMapper;
    
    
    @Override
    //登陆成功之后会调用的函数
    public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response,
            //封装了我们的认证信息(发起的认证请求(ip，session)，认证成功后的用户信息)
            Authentication authentication) throws IOException, ServletException {
        // TODO Auto-generated method stub
        
        System.out.println("登陆成功");
        
        response.setContentType("application/json;charset=UTF-8");
        
        //将我们authentication转换为json通过response对象以application/json写到页面
        response.getWriter().write(objectMapper.writeValueAsString(authentication));
        
    }
    
}

package com.Gary.GaryRESTful.config;

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.Gary.GaryRESTful.handler.LoginSuccessHandler;


//Web应用安全适配器
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter{

    //告诉SpringSecurity密码用什么加密的
    @Bean
    public PasswordEncoder passwordEncoder()
    {
        return new BCryptPasswordEncoder();
    }
    
    @Autowired
    private LoginSuccessHandler loginSuccessHandler;

    protected void configure(HttpSecurity http) throws Exception{
        //表单验证(身份认证)
        http.formLogin()
            //自定义登陆页面
            .loginPage("/require")
            //如果URL为loginPage,则用SpringSecurity中自带的过滤器去处理该请求
            .loginProcessingUrl("/loginPage")
            //配置登陆成功调用loginSuccessHandler
            .successHandler(loginSuccessHandler)
            .and()
            //请求授权
            .authorizeRequests()
            //在访问我们的URL时，我们是不需要省份认证，可以立即访问
            .antMatchers("/login.html","/require").permitAll()
            //所有请求都被拦截，跳转到(/login请求中)
            .anyRequest()
            //都需要我们身份认证
            .authenticated()
            //SpringSecurity保护机制
            .and().csrf().disable();
    }
    
}

package com.Gary.GaryRESTful.handler;

import java.io.IOException;

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

import org.apache.http.HttpStatus;
import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import com.fasterxml.jackson.databind.ObjectMapper;

@Component
public class LoginFailureHandler implements AuthenticationFailureHandler{

    //将我们的authentication转换为json所需要的类
    @Autowired
    private ObjectMapper objectMapper;

    @Override
    //登陆不成功产生的错误
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
            AuthenticationException exception) throws IOException, ServletException {
        
        System.out.println("登陆失败");
        
        //设置返回的状态码 500
        response.setStatus(HttpStatus.SC_INTERNAL_SERVER_ERROR);
        
        response.setContentType("application/json;charset=UTF-8");
        
        //将我们authentication转换为json通过response对象以application/json写到页面
        response.getWriter().write(objectMapper.writeValueAsString(exception));
        
    }
    



    
    
}

package com.Gary.GaryRESTful.config;

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.Gary.GaryRESTful.handler.LoginFailureHandler;
import com.Gary.GaryRESTful.handler.LoginSuccessHandler;


//Web应用安全适配器
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter{

    //告诉SpringSecurity密码用什么加密的
    @Bean
    public PasswordEncoder passwordEncoder()
    {
        return new BCryptPasswordEncoder();
    }
    
    @Autowired
    private LoginSuccessHandler loginSuccessHandler;

    @Autowired
    private LoginFailureHandler loginFailureHandler;
    
    protected void configure(HttpSecurity http) throws Exception{
        //表单验证(身份认证)
        http.formLogin()
            //自定义登陆页面
            .loginPage("/require")
            //如果URL为loginPage,则用SpringSecurity中自带的过滤器去处理该请求
            .loginProcessingUrl("/loginPage")
            //配置登陆成功调用loginSuccessHandler
            .successHandler(loginSuccessHandler)
            //配置登陆失败调用loginFailureHandler
            .failureHandler(loginFailureHandler)
            .and()
            //请求授权
            .authorizeRequests()
            //在访问我们的URL时，我们是不需要省份认证，可以立即访问
            .antMatchers("/login.html","/require").permitAll()
            //所有请求都被拦截，跳转到(/login请求中)
            .anyRequest()
            //都需要我们身份认证
            .authenticated()
            //SpringSecurity保护机制
            .and().csrf().disable();
    }
    
}