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這篇文章主要介紹“Spring Security添加驗證碼的方式有哪些”，在日常操作中，相信很多人在Spring Security添加驗證碼的方式有哪些問題上存在疑惑，小編查閱了各式資料，整理出簡單好用的操作方法，希望對大家解答”Spring Security添加驗證碼的方式有哪些”的疑惑有所幫助！接下來，請跟著小編一起來學習吧！
一、自定義認證邏輯
二、自定義過濾器
生成驗證碼工具
<dependency> <groupId>com.github.penggle</groupId> <artifactId>kaptcha</artifactId> <version>2.3.2</version> </dependency>
添加Kaptcha配置
@Configuration
public class KaptchaConfig {
@Bean
Producer kaptcha() {
Properties properties = new Properties();
properties.setProperty("kaptcha.image.width", "150");
properties.setProperty("kaptcha.image.height", "50");
properties.setProperty("kaptcha.textproducer.char.string", "0123456789");
properties.setProperty("kaptcha.textproducer.char.length", "4");
Config config = new Config(properties);
DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
defaultKaptcha.setConfig(config);
return defaultKaptcha;
}
}生成驗證碼文本，放入HttpSession中
根據驗證碼文本生成圖片 通過IO流寫出到前端。
@RestController
public class LoginController {
@Autowired
Producer producer;
@GetMapping("/vc.jpg")
public void getVerifyCode(HttpServletResponse resp, HttpSession session) throws IOException {
resp.setContentType("image/jpeg");
String text = producer.createText();
session.setAttribute("kaptcha", text);
BufferedImage image = producer.createImage(text);
try(ServletOutputStream out = resp.getOutputStream()) {
ImageIO.write(image, "jpg", out);
}
}
@RequestMapping("/index")
public String index() {
return "login success";
}
@RequestMapping("/hello")
public String hello() {
return "hello spring security";
}
}form表單
<!DOCTYPE html> <html lang="en" xmlns:th="http://www.thymeleaf.org"> <head> <meta charset="UTF-8"> <title>登錄</title> <link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="external nofollow" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> </head> <style> #login .container #login-row #login-column #login-box { border: 1px solid #9C9C9C; background-color: #EAEAEA; } </style> <body> <div id="login"> <div class="container"> <div id="login-row" class="row justify-content-center align-items-center"> <div id="login-column" class="col-md-6"> <div id="login-box" class="col-md-12"> <form id="login-form" class="form" action="/doLogin" method="post"> <h4 class="text-center text-info">登錄</h4> <div th:text="${SPRING_SECURITY_LAST_EXCEPTION}"></div> <div class="form-group"> <label for="username" class="text-info">用戶名:</label><br> <input type="text" name="uname" id="username" class="form-control"> </div> <div class="form-group"> <label for="password" class="text-info">密碼:</label><br> <input type="text" name="passwd" id="password" class="form-control"> </div> <div class="form-group"> <label for="kaptcha" class="text-info">驗證碼:</label><br> <input type="text" name="kaptcha" id="kaptcha" class="form-control"> <img src="/vc.jpg" alt=""> </div> <div class="form-group"> <input type="submit" name="submit" class="btn btn-info btn-md" value="登錄"> </div> </form> </div> </div> </div> </div> </div> </body>
驗證碼圖片地址為我們在Controller中定義的驗證碼接口地址。
身份認證是AuthenticationProvider的authenticate方法完成，因此驗證碼可以在此之前完成：
public class KaptchaAuthenticationProvider extends DaoAuthenticationProvider {
@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
HttpServletRequest req = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
String kaptcha = req.getParameter("kaptcha");
String sessionKaptcha = (String) req.getSession().getAttribute("kaptcha");
if (kaptcha != null && sessionKaptcha != null && kaptcha.equalsIgnoreCase(sessionKaptcha)) {
return super.authenticate(authentication);
}
throw new AuthenticationServiceException("驗證碼輸入錯誤");
}
}配置AuthenticationManager：
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Bean
AuthenticationProvider kaptchaAuthenticationProvider() {
InMemoryUserDetailsManager users = new InMemoryUserDetailsManager(User.builder()
.username("xiepanapn").password("{noop}123").roles("admin").build());
KaptchaAuthenticationProvider provider = new KaptchaAuthenticationProvider();
provider.setUserDetailsService(users);
return provider;
}
@Override
@Bean
public AuthenticationManager authenticationManagerBean() throws Exception {
ProviderManager manager = new ProviderManager(kaptchaAuthenticationProvider());
return manager;
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests()
.antMatchers("/vc.jpg").permitAll()
.anyRequest().authenticated()
.and()
.formLogin()
.loginPage("/mylogin.html")
.loginProcessingUrl("/doLogin")
.defaultSuccessUrl("/index.html")
.failureForwardUrl("/mylogin.html")
.usernameParameter("uname")
.passwordParameter("passwd")
.permitAll()
.and()
.csrf().disable();
}
}配置UserDetailsService提供的數據源
提供AuthenticationProvider實例并配置UserDetailsService
重寫authenticationManagerBean方法提供一個自己的ProviderManager并自定義AuthenticationManager實例。
LoginFilter繼承UsernamePasswordAuthenticationFilter 重寫attemptAuthentication方法：
public class LoginFilter extends UsernamePasswordAuthenticationFilter {
@Override
public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response) throws AuthenticationException {
if (!request.getMethod().equals("POST")) {
throw new AuthenticationServiceException(
"Authentication method not supported: " + request.getMethod());
}
String kaptcha = request.getParameter("kaptcha");
String sessionKaptcha = (String) request.getSession().getAttribute("kaptcha");
if (!StringUtils.isEmpty(kaptcha) && !StringUtils.isEmpty(sessionKaptcha) && kaptcha.equalsIgnoreCase(sessionKaptcha)) {
return super.attemptAuthentication(request, response);
}
throw new AuthenticationServiceException("驗證碼輸入錯誤");
}
}在SecurityConfig中配置LoginFilter
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(AuthenticationManagerBuilder auth)
throws Exception {
auth.inMemoryAuthentication()
.withUser("javaboy")
.password("{noop}123")
.roles("admin");
}
@Override
@Bean
public AuthenticationManager authenticationManagerBean()
throws Exception {
return super.authenticationManagerBean();
}
@Bean
LoginFilter loginFilter() throws Exception {
LoginFilter loginFilter = new LoginFilter();
loginFilter.setFilterProcessesUrl("/doLogin");
loginFilter.setAuthenticationManager(authenticationManagerBean());
loginFilter.setAuthenticationSuccessHandler(new SimpleUrlAuthenticationSuccessHandler("/hello"));
loginFilter.setAuthenticationFailureHandler(new SimpleUrlAuthenticationFailureHandler("/mylogin.html"));
return loginFilter;
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests()
.antMatchers("/vc.jpg").permitAll()
.anyRequest().authenticated()
.and()
.formLogin()
.loginPage("/mylogin.html")
.permitAll()
.and()
.csrf().disable();
http.addFilterAt(loginFilter(),
UsernamePasswordAuthenticationFilter.class);
}
}顯然第二種比較簡單
到此，關于“Spring Security添加驗證碼的方式有哪些”的學習就結束了，希望能夠解決大家的疑惑。理論與實踐的搭配能更好的幫助大家學習，快去試試吧！若想繼續學習更多相關知識，請繼續關注億速云網站，小編會繼續努力為大家帶來更多實用的文章！
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