• 基於Spring security 使用JWT實現登入

• 專案依賴pom

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-security</artifactId>
  <version>2.5.6</version>
</dependency>

• 實現核心程式碼

• 配置類

package ***.***.framework.config;

import
 
 org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
 
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.authentication.logout.LogoutFilter;
import org.springframework.web.filter.CorsFilter;
import ***.***.framework.security.filter.JwtAuthenticationTokenFilter;
import ***.***.framework.security.handle.AuthenticationEntryPointImpl;
import ***.***.framework.security.handle.LogoutSuccessHandlerImpl;

import javax.annotation.Resource;

/**
 * spring security配置
 * 
 * @author*/
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter
{
    /**
     * 自定義使用者認證邏輯
     */
    @Resource(name = "userDetailsServiceImpl")
    private UserDetailsService userDetailsService;
    
    /**
     * 認證失敗處理類
     */
    @Autowired
    private AuthenticationEntryPointImpl unauthorizedHandler;

    /**
     * 退出處理類
     */
    @Autowired
    private LogoutSuccessHandlerImpl logoutSuccessHandler;

    /**
     * token認證過濾器
     */
    @Autowired
    private JwtAuthenticationTokenFilter authenticationTokenFilter;
    
    /**
     * 跨域過濾器
     */
    @Autowired
    private CorsFilter corsFilter;
    
    /**
     * 解決 無法直接注入 AuthenticationManager
     *
     * @return
     * @throws Exception
     */
    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception
    {
        return super.authenticationManagerBean();
    }

    /**
     * anyRequest          |   匹配所有請求路徑
     * access              |   SpringEl表示式結果為true時可以訪問
     * anonymous           |   匿名可以訪問
     * denyAll             |   使用者不能訪問
     * fullyAuthenticated  |   使用者完全認證可以訪問（非remember-me下自動登入）
     * hasAnyAuthority     |   如果有引數，引數表示許可權，則其中任何一個許可權可以訪問
     * hasAnyRole          |   如果有引數，引數表示角色，則其中任何一個角色可以訪問
     * hasAuthority        |   如果有引數，引數表示許可權，則其許可權可以訪問
     * hasIpAddress        |   如果有引數，引數表示IP地址，如果使用者IP和引數匹配，則可以訪問
     * hasRole             |   如果有引數，引數表示角色，則其角色可以訪問
     * permitAll           |   使用者可以任意訪問
     * rememberMe          |   允許通過remember-me登入的使用者訪問
     * authenticated       |   使用者登入後可訪問
     */
    @Override
    protected void configure(HttpSecurity httpSecurity) throws Exception
    {
        httpSecurity
                // CSRF禁用，因為不使用session
                .csrf().disable()
                // 認證失敗處理類
                .exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
                // 基於token，所以不需要session
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
                // 過濾請求
                .authorizeRequests()
                // 對於登入login 註冊register 驗證碼captchaImage 允許匿名訪問
                .antMatchers("/login", "/register", "/captchaImage")
                .anonymous()
                .antMatchers(
                        HttpMethod.GET,
                        "/",
                        "/*.html",
                        "/**/*.html",
                        "/**/*.css",
                        "/**/*.js",
                        "/profile/**"
                ).permitAll()
                .antMatchers("/swagger-ui.html").anonymous()
                .antMatchers("/swagger-resources/**").anonymous()
                .antMatchers("/webjars/**").anonymous()
                .antMatchers("/*/api-docs").anonymous()
                .antMatchers("/druid/**").anonymous()
                .antMatchers("/webSocket/**").permitAll()
                // 除上面外的所有請求全部需要鑑權認證
                .anyRequest().authenticated()
                .and()
                .headers().frameOptions().disable();
        httpSecurity.logout().logoutUrl("/logout").logoutSuccessHandler(logoutSuccessHandler);
        // 新增JWT filter
        httpSecurity.addFilterBefore(authenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
        // 新增CORS filter
        httpSecurity.addFilterBefore(corsFilter, JwtAuthenticationTokenFilter.class);
        httpSecurity.addFilterBefore(corsFilter, LogoutFilter.class);
    }

    /**
     * 強雜湊雜湊加密實現
     */
    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder()
    {
        return new BCryptPasswordEncoder();
    }

    /**
     * 身份認證介面
     */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception
    {
        auth.userDetailsService(userDetailsService).passwordEncoder(bCryptPasswordEncoder());
    }
}

• 使用者驗證處理類

package ***.***framework.web.service;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import ***.***common.core.domain.entity.SysUser;
import ***.***common.core.domain.model.LoginUser;
import ***.***common.enums.UserStatus;
import ***.***common.exception.ServiceException;
import ***.***common.utils.StringUtils;
import ***.***system.service.ISysUserService;

/**
 * ****************************************
 * 使用者驗證處理類
 * ****************************************
 *
 * @author xielei
 * @title: UserDetailsServiceImpl
 * @projectName
 * @date 2022/1/17 10:17
 */
@Service("userDetailsServiceImpl")
public class UserDetailsServiceImpl implements UserDetailsService {
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Autowired
    private ISysUserService userService;

    @Autowired
    private SysPermissionService permissionService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        //查詢根據使用者名稱查詢使用者資訊
        SysUser user = userService.selectUserByUserName(username);
        //使用者資訊驗證
        if (StringUtils.isNull(user)) {
            log.info("登入使用者：{} 不存在.", username);
            throw new ServiceException(String.format("登入使用者：%s 不存在", username));
        } else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            log.info("登入使用者：{} 已被刪除.", username);
            throw new ServiceException(String.format("對不起，您的賬號：%s 已被刪除", username));
        } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            log.info("登入使用者：{} 已被停用.", username);
            throw new ServiceException(String.format("對不起，您的賬號：%s 已停用", username));
        }

        return createLoginUser(user);
    }

    /**
     * 建立使用者登入資訊
     * @param user 引數
     * @return 結果
     */
    public UserDetails createLoginUser(SysUser user) {
        //實現UserDetails自定義的使用者資訊登入類,構建使用者需要用到的基本資訊屬性 建議此處構建的使用者資訊進行快取
        return new LoginUser(user.getUserId(), user.getDeptId(), user, permissionService.getMenuPermission(user));
    }
}

• 認證失敗處理類

package ***.***.framework.security.handle;

import java.io.IOException;
import java.io.Serializable;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;
import com.alibaba.fastjson.JSON;
import ***.***.common.constant.HttpStatus;
import ***.***.common.core.domain.AjaxResult;
import ***.***.common.utils.ServletUtils;
import ***.***.common.utils.StringUtils;


/**
 * ****************************************
 * 認證失敗處理類 返回未授權
 * ****************************************
 *
 * @author xielei
 * @title: AuthenticationEntryPointImpl
 * @date 2022/1/17 10:17
 */
@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint, Serializable {
    private static final long serialVersionUID = -8970718410437077606L;

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e)
            throws IOException {
        int code = HttpStatus.UNAUTHORIZED;
        String msg = StringUtils.format("請求訪問：{}，認證失敗，無法訪問系統資源", request.getRequestURI());
        ServletUtils.renderString(response, JSON.toJSONString(AjaxResult.error(code, msg)));
    }
}

• 自定義退出處理類

package ***.***.framework.security.handle;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import ***.***.framework.manager.AsyncManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;
import com.alibaba.fastjson.JSON;
import ***.***.common.constant.Constants;
import ***.***.common.constant.HttpStatus;
import ***.***.common.core.domain.AjaxResult;
import ***.***.common.core.domain.model.LoginUser;
import ***.***.common.utils.ServletUtils;
import ***.***.common.utils.StringUtils;
import ***.***.framework.manager.factory.AsyncFactory;
import ***.***.framework.web.service.TokenService;

/**
 * ****************************************
 * 自定義退出處理類
 * ****************************************
 * 
 * @author xielei
 * @title: LogoutSuccessHandlerImpl
 * @date 2022/1/17 10:17
 */
@Configuration
public class LogoutSuccessHandlerImpl implements LogoutSuccessHandler {
    @Autowired
    private TokenService tokenService;

    /**
     * 退出處理
     *
     * @return
     */
    @Override
    public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication)
            throws IOException, ServletException {
        //獲取使用者資訊
        LoginUser loginUser = tokenService.getLoginUser(request);
        if (StringUtils.isNotNull(loginUser)) {
            String userName = loginUser.getUsername();
            // 刪除使用者快取記錄
            tokenService.delLoginUser(loginUser.getToken());
            // 記錄使用者退出日誌
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(userName, Constants.LOGOUT, "退出成功"));
        }
        ServletUtils.renderString(response, JSON.toJSONString(AjaxResult.error(HttpStatus.SUCCESS, "退出成功")));
    }
}

• 自定義token認證過濾器

package ***.***.framework.security.filter;

import java.io.IOException;
import javax.servlet.FilterChain;
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.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import ***.***.common.core.domain.model.LoginUser;
import ***.***.common.utils.SecurityUtils;
import ***.***.common.utils.StringUtils;
import ***.***.framework.web.service.TokenService;


/**
 * ****************************************
 * token過濾器 驗證token有效性
 * ****************************************
 *
 * @author xielei
 * @title: UserDetailsServiceImpl
 * @date 2022/1/17 10:17
 */
@Component
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {
    @Autowired
    private TokenService tokenService;

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
            throws ServletException, IOException {
        //放行websocket相關請求
        if (request.getRequestURI().contains("/webSocket")) {
            chain.doFilter(request, response);
            return;
        }
        //獲取使用者資訊
        LoginUser loginUser = tokenService.getLoginUser(request);

        if (StringUtils.isNotNull(loginUser) && StringUtils.isNull(SecurityUtils.getAuthentication())) {
            tokenService.verifyToken(loginUser);
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(loginUser, null, loginUser.getAuthorities());
            //設定認證使用者的token資訊
            authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
            //設定當前使用者資訊
            SecurityContextHolder.getContext().setAuthentication(authenticationToken);
        }
        chain.doFilter(request, response);
    }
}
    

• 自定義跨域配置

/**
     * 跨域配置
     */
    @Bean
    public CorsFilter corsFilter()
    {
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        // 設定訪問源地址
        config.addAllowedOriginPattern("*");
        // 設定訪問源請求頭
        config.addAllowedHeader("*");
        // 設定訪問源請求方法
        config.addAllowedMethod("*");
        // 有效期 1800秒
        config.setMaxAge(1800L);
        // 新增對映路徑，攔截一切請求
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", config);
        // 返回新的CorsFilter
        return new CorsFilter(source);
    }

• 工具類獲取每次客戶端請求使用者資訊

/**
     * 獲取Authentication
     */
    public static Authentication getAuthentication() {
    //此處設定的值見 token過濾器 驗證token有效性處程式碼 SecurityContextHolder.getContext().setAuthentication(authenticationToken);
        return SecurityContextHolder.getContext().getAuthentication();
    }