Spring BootSpring Security登陆异常出路

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【Spring Boot】Spring Security登陆异常出路

Security 配置

package cn.young.greenhome.config;

import cn.young.greenhome.module.auth.UserDetailsServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
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.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;


/**
 * 安全配置类
 *
 * @author ycx
 * @since 2020-02-02
 */
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    UserDetailsServiceImpl userDetailsService;

    /**
     * 配置拦截请求
     *
     * @param http
     * @throws Exception
     */
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.headers().frameOptions().disable();
        http.authorizeRequests()
                .antMatchers("/login", "/logout", "/getVerifyCode", "/validateVerifyCode")
                .permitAll()
                .anyRequest().authenticated()

                .and()
                .formLogin()
                .loginPage("/login")
                .successForwardUrl("/success")
                .failureForwardUrl("/failure")

                .and()
                .logout()
                .logoutUrl("/logout")
                .invalidateHttpSession(true)


                .and()
                .csrf().disable();
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        // 123456
        // $2a$10$E0ypqva9V.tMStGszN8Zeu6mUAO2OkEUs1bbYGUIvnANVuwi5DfgO
        // 自定义用户服务和密码
        auth.userDetailsService(userDetailsService).passwordEncoder(new BCryptPasswordEncoder());
    }

    /**
     * 配置过滤器
     *
     * @param web
     * @throws Exception
     */
    @Override
    public void configure(WebSecurity web) throws Exception {
        // 忽略静态资源
        web.ignoring().antMatchers("/static/**");
        super.configure(web);
    }

}

出异常时forward到 /failure

点击 failureForwardUrl 方法

    public FormLoginConfigurer<H> failureForwardUrl(String forwardUrl) {
        this.failureHandler(new ForwardAuthenticationFailureHandler(forwardUrl));
        return this;
    }

异常信息被存储在了request中

public class ForwardAuthenticationFailureHandler implements AuthenticationFailureHandler {

    private final String forwardUrl;

    /**
     * @param forwardUrl
     */
    public ForwardAuthenticationFailureHandler(String forwardUrl) {
        Assert.isTrue(UrlUtils.isValidRedirectUrl(forwardUrl),
                () -> "‘" + forwardUrl + "‘ is not a valid forward URL");
        this.forwardUrl = forwardUrl;
    }

    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        request.setAttribute(WebAttributes.AUTHENTICATION_EXCEPTION, exception);
        request.getRequestDispatcher(forwardUrl).forward(request, response);
    }
}

处理异常信息

    /**
     * 失败
     *
     * @return
     */
    @RequestMapping("/failure")
    public String failure(HttpServletRequest request, Model model) {
        AuthenticationException exception = (AuthenticationException) request.getAttribute(WebAttributes.AUTHENTICATION_EXCEPTION);
        String error;
        if (exception instanceof UsernameNotFoundException || exception instanceof BadCredentialsException) {
            error = "用户名或密码错误";
        } else if (exception instanceof DisabledException) {
            error = "账户已禁用";
        } else if (exception instanceof LockedException) {
            error = "账户已锁定";
        } else if (exception instanceof AccountExpiredException) {
            error = "账户已过期";
        } else if (exception instanceof CredentialsExpiredException) {
            error = "证书已过期";
        } else {
            error = "登录失败";
        }
        model.addAttribute("error", error);
        return "login";
    }

 

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