本篇文章給大家分享的是有關(guān)怎么在SpringSecurity中自定義過濾器,小編覺得挺實用的,因此分享給大家學習,希望大家閱讀完這篇文章后可以有所收獲,話不多說,跟著小編一起來看看吧。
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一、創(chuàng)建自己定義的Filter
我們先在web包下創(chuàng)建好幾個包并定義如下幾個類

CustomerAuthFilter:
package com.bdqn.lyrk.security.study.web.filter;
import com.bdqn.lyrk.security.study.web.authentication.UserJoinTimeAuthentication;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
public class CustomerAuthFilter extends AbstractAuthenticationProcessingFilter {
private AuthenticationManager authenticationManager;
public CustomerAuthFilter(AuthenticationManager authenticationManager) {
super(new AntPathRequestMatcher("/login", "POST"));
this.authenticationManager = authenticationManager;
}
@Override
public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response) throws AuthenticationException, IOException, ServletException {
String username = request.getParameter("username");
UserJoinTimeAuthentication usernamePasswordAuthenticationToken =new UserJoinTimeAuthentication(username);
Authentication authentication = this.authenticationManager.authenticate(usernamePasswordAuthenticationToken);
if (authentication != null) {
super.setContinueChainBeforeSuccessfulAuthentication(true);
}
return authentication;
}
}該類繼承AbstractAuthenticationProcessingFilter,這個filter的作用是對最基本的用戶驗證的處理,我們必須重寫attemptAuthentication方法。Authentication接口表示授權(quán)接口,通常情況下業(yè)務(wù)認證通過時會返回一個這個對象。super.setContinueChainBeforeSuccessfulAuthentication(true) 設(shè)置成true的話,會交給其他過濾器處理。
二、定義UserJoinTimeAuthentication
package com.bdqn.lyrk.security.study.web.authentication;
import org.springframework.security.authentication.AbstractAuthenticationToken;
public class UserJoinTimeAuthentication extends AbstractAuthenticationToken {
private String username;
public UserJoinTimeAuthentication(String username) {
super(null);
this.username = username;
}
@Override
public Object getCredentials() {
return null;
}
@Override
public Object getPrincipal() {
return username;
}
}自定義授權(quán)方式,在這里接收username的值處理,其中g(shù)etPrincipal我們可以用來存放登錄名,getCredentials可以存放密碼,這些方法來自于Authentication接口
三、定義AuthenticationProvider
package com.bdqn.lyrk.security.study.web.authentication;
import com.bdqn.lyrk.security.study.app.pojo.Student;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import java.util.Date;
/**
* 基本的驗證方式
*
* @author chen.nie
* @date 2018/6/12
**/
public class UserJoinTimeAuthenticationProvider implements AuthenticationProvider {
private UserDetailsService userDetailsService;
public UserJoinTimeAuthenticationProvider(UserDetailsService userDetailsService) {
this.userDetailsService = userDetailsService;
}
/**
* 認證授權(quán),如果jointime在當前時間之后則認證通過
* @param authentication
* @return
* @throws AuthenticationException
*/
@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
String username = (String) authentication.getPrincipal();
UserDetails userDetails = this.userDetailsService.loadUserByUsername(username);
if (!(userDetails instanceof Student)) {
return null;
}
Student student = (Student) userDetails;
if (student.getJoinTime().after(new Date()))
return new UserJoinTimeAuthentication(username);
return null;
}
/**
* 只處理UserJoinTimeAuthentication的認證
* @param authentication
* @return
*/
@Override
public boolean supports(Class<?> authentication) {
return authentication.getName().equals(UserJoinTimeAuthentication.class.getName());
}
}AuthenticationManager會委托AuthenticationProvider進行授權(quán)處理,在這里我們需要重寫support方法,該方法定義Provider支持的授權(quán)對象,那么在這里我們是對UserJoinTimeAuthentication處理。
四、WebSecurityConfig
package com.bdqn.lyrk.security.study.app.config;
import com.bdqn.lyrk.security.study.app.service.UserService;
import com.bdqn.lyrk.security.study.web.authentication.UserJoinTimeAuthenticationProvider;
import com.bdqn.lyrk.security.study.web.filter.CustomerAuthFilter;
import org.springframework.beans.factory.annotation.Autowired;
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.web.authentication.UsernamePasswordAuthenticationFilter;
/**
* spring-security的相關(guān)配置
*
* @author chen.nie
* @date 2018/6/7
**/
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Autowired
private UserService userService;
@Override
protected void configure(HttpSecurity http) throws Exception {
/*
1.配置靜態(tài)資源不進行授權(quán)驗證
2.登錄地址及跳轉(zhuǎn)過后的成功頁不需要驗證
3.其余均進行授權(quán)驗證
*/
http.
authorizeRequests().antMatchers("/static/**").permitAll().
and().authorizeRequests().antMatchers("/user/**").hasRole("7022").
and().authorizeRequests().anyRequest().authenticated().
and().formLogin().loginPage("/login").successForwardUrl("/toIndex").permitAll()
.and().logout().logoutUrl("/logout").invalidateHttpSession(true).deleteCookies().permitAll()
;
http.addFilterBefore(new CustomerAuthFilter(authenticationManager()), UsernamePasswordAuthenticationFilter.class);
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
//設(shè)置自定義userService
auth.userDetailsService(userService);
auth.authenticationProvider(new UserJoinTimeAuthenticationProvider(userService));
}
@Override
public void configure(WebSecurity web) throws Exception {
super.configure(web);
}
}以上就是怎么在SpringSecurity中自定義過濾器,小編相信有部分知識點可能是我們?nèi)粘9ぷ鲿姷交蛴玫降摹OM隳芡ㄟ^這篇文章學到更多知識。更多詳情敬請關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道。
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