Spring Security账号密码认证 + 自定义鉴权(示例)

墨蓝 2023-07-24 05:35 107阅读 0赞

**声明****：** 本文先演示效果，然后再给出几个相对关键的类；`完整测试项目，可详见文末链接`。

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# 效果演示： #

**说明：**

1.  张三属于普通用户，能访问一些普通的页面以及/user页。
2.  李四属于数据库管理员，能访问一些普通的页面以及/user页、/dba页。
3.  王五属于超级管理员，能访问一些普通的页面以及/user页、/dba页、/admin页。

### 演示： ###

*  普通用户张三：![在这里插入图片描述][20200409164535176.gif_pic_center]
 *  数据库管理员李四：![在这里插入图片描述][20200409164554676.gif_pic_center]
 *  超级管理员王五：![在这里插入图片描述][20200409164618125.gif_pic_center]

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# 相关代码(库表)： #

### 项目整体说明：![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center] ###

注：上图中，只对相对关键的内容进行了简单说明；`完整测试项目，可详见文末链接`。

### 相关库表说明： ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 1]

### 几个相对关键的类： ###

提示**：** `完整测试项目，可详见文末链接`。

*  MyAccessDecisionManager：
    
        import com.pingan.springsecurity.model.MyUserDetails;
        import com.pingan.springsecurity.service.impl.MyUserDetailsService;
        import org.springframework.security.access.AccessDecisionManager;
        import org.springframework.security.access.AccessDeniedException;
        import org.springframework.security.access.ConfigAttribute;
        import org.springframework.security.authentication.AuthenticationCredentialsNotFoundException;
        import org.springframework.security.authentication.InsufficientAuthenticationException;
        import org.springframework.security.core.Authentication;
        import org.springframework.security.core.GrantedAuthority;
        import org.springframework.security.web.FilterInvocation;
        import org.springframework.security.web.access.intercept.FilterInvocationSecurityMetadataSource;
        import org.springframework.stereotype.Component;
        
        import javax.servlet.http.HttpServletRequest;
        import java.util.Collection;
        import java.util.List;
        import java.util.stream.Collectors;
        
        /** * 决策器 (判断鉴权是否通过) * * @author JustryDeng * @date 2019/12/14 11:34 */
        @Component
        public class MyAccessDecisionManager implements AccessDecisionManager { 
        
            /** * 决策 * * @param authentication * 当前用户的信息模型 * 注: 由于重写了{@link MyUserDetailsService#loadUserByUsername}， * 重写后该方法实际返回的类型是{@link MyUserDetails}， 所以这里直接 * 将Authentication强转为MyUserDetails。 * @param object * 当前request的封装 * @param configAttributes * 与访问的目标uri相关联的配置属性 * 注:在本示例中，不需要用到此属性； 如果在这里需要用到此属性的话，可以在通过 * 实现{@link FilterInvocationSecurityMetadataSource},重写相关返 * 回Collection<ConfigAttribute>的方法，该返回值会作为形参传递到本方法 * 然后在这里就能拿到对应的值了。 * 可参考网友的示例<linked>https://www.jianshu.com/p/e715cc993bf0</linked> * * @throws AccessDeniedException * 当前用户无权访问 * @throws InsufficientAuthenticationException * 当前用户信任级别不够，无法访问 * @date 2019/12/14 12:06 */
            @Override
            public void decide(Authentication authentication, Object object, Collection<ConfigAttribute> configAttributes) throws AccessDeniedException, InsufficientAuthenticationException { 
                HttpServletRequest request = ((FilterInvocation) object).getHttpRequest();
                String targetPath = request.getRequestURI();
                Object principal = authentication.getPrincipal();
                /* * 若认证过，那么principal instanceof MyUserDetails为true, 否则用户没有认证过 * * 注: 鉴权一般都在认证之后, 没有认证谈何鉴权。 * * 注: 一旦抛出异常后， * 在{@link ExceptionTranslationFilter#doFilter}中会对抛出的AuthenticationException异常(包括其子异常) * 进行相关处理。如: 抛出AuthenticationCredentialsNotFoundException异常，就会被处理然后页面跳转至登录页 * */
                if (!(principal instanceof MyUserDetails)) { 
                    throw new AuthenticationCredentialsNotFoundException(" there is no any Authentication object MyUserDetails in the SecurityContext");
                }
                MyUserDetails myUserDetails = (MyUserDetails)principal;
                // 这个用户可访问的所有资源信息
                Collection<? extends GrantedAuthority> grantedAuthority = myUserDetails.getAuthorities();
                List<String> list = grantedAuthority.parallelStream()
                        .map(GrantedAuthority::getAuthority)
                        .collect(Collectors.toList());
                if(list.contains(targetPath)) { 
                    // 鉴权通过， 有访问权限
                    return;
                }
                // 鉴权不通过， 没有访问权限
                throw new AccessDeniedException(
                        String.format("You(%s) don't have any authorizion access %s", myUserDetails.getName(), targetPath)
                );
            }
        
            /** * 当前AccessDecisionManager实例能否处理 传递的ConfigAttribute呈现的授权请求 */
            @Override
            public boolean supports(ConfigAttribute attribute) { 
                return true;
            }
        
            /** * 当前AccessDecisionManager实例是否支持提供访问控制决策 */
            @Override
            public boolean supports(Class<?> clazz) { 
                return true;
            }
        }
 *  MyFilterInvocationSecurityMetadataSource：
    
        import com.pingan.springsecurity.mapper.DaoMapper;
        import com.pingan.springsecurity.model.ApiResource;
        import lombok.RequiredArgsConstructor;
        import org.springframework.security.access.ConfigAttribute;
        import org.springframework.security.web.FilterInvocation;
        import org.springframework.security.web.access.intercept.FilterInvocationSecurityMetadataSource;
        import org.springframework.stereotype.Component;
        
        import javax.annotation.PostConstruct;
        import javax.servlet.http.HttpServletRequest;
        import java.util.ArrayList;
        import java.util.Collection;
        import java.util.List;
        
        /** * 存储ConfigAttribute信息， 并根据ConfigAttribute信息的有无， 决定是否走 决策器 * 即: 若{@link this#getAttributes}返回的集合满足CollectionUtils.isEmpty(list)为true的话， * 那么不会走决策器, * 否者会走决策器 * * @author JustryDeng * @date 2019/12/14 11:20 */
        @Component
        @RequiredArgsConstructor
        public class MyFilterInvocationSecurityMetadataSource implements FilterInvocationSecurityMetadataSource { 
        
            private List<String> needAuthPaths = new ArrayList<>(16);
        
            private final DaoMapper mapper;
        
            @PostConstruct
            private void init() { 
                needAuthPaths.addAll(mapper.selectNeedAuthPaths());
            }
        
            @Override
            public Collection<ConfigAttribute> getAttributes(Object object) throws IllegalArgumentException { 
                HttpServletRequest request = ((FilterInvocation) object).getHttpRequest();
                String targetPath = request.getRequestURI();
                if (needAuthPaths.contains(targetPath)) { 
                    // 需要鉴权
                    List<ConfigAttribute> list = new ArrayList<>(1);
                    list.add(ApiResource.builder().build());
                    return list;
                }
                // 不需要鉴权
                return null;
            }
        
            @Override
            public Collection<ConfigAttribute> getAllConfigAttributes() { 
                return null;
            }
        
            @Override
            public boolean supports(Class<?> clazz) { 
                return true;
            }
        }
 *  MySecurityInterceptor：
    
        import org.springframework.security.access.SecurityMetadataSource;
        import org.springframework.security.access.intercept.AbstractSecurityInterceptor;
        import org.springframework.security.access.intercept.InterceptorStatusToken;
        import org.springframework.security.web.FilterInvocation;
        import org.springframework.stereotype.Component;
        
        import javax.servlet.*;
        import java.io.IOException;
        
        /** * 通过MySecurityInterceptor 注册 MyAccessDecisionManager * * @author JustryDeng * @date 2019/12/14 12:50 */
        @Component
        public class MySecurityInterceptor extends AbstractSecurityInterceptor implements Filter { 
        
            private final MyFilterInvocationSecurityMetadataSource myFilterInvocationSecurityMetadataSource;
        
            public MySecurityInterceptor(MyAccessDecisionManager myAccessDecisionManager,
                                         MyFilterInvocationSecurityMetadataSource myFilterInvocationSecurityMetadataSource) { 
                this.myFilterInvocationSecurityMetadataSource = myFilterInvocationSecurityMetadataSource;
                // 设置 以 自定义的决策权 进行 鉴权管理
                super.setAccessDecisionManager(myAccessDecisionManager);
            }
        
            @Override
            public Class<?> getSecureObjectClass() { 
                return FilterInvocation.class;
            }
        
            @Override
            public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
                    throws IOException, ServletException { 
                FilterInvocation fi = new FilterInvocation(servletRequest, servletResponse, filterChain);
                invoke(fi);
            }
        
            public void invoke(FilterInvocation fi) throws IOException, ServletException { 
                InterceptorStatusToken token = super.beforeInvocation(fi);
                try { 
                    fi.getChain().doFilter(fi.getRequest(), fi.getResponse());
                } finally { 
                    super.afterInvocation(token, null);
                }
            }
        
            /** * 返回自定义的SecurityMetadataSource */
            @Override
            public SecurityMetadataSource obtainSecurityMetadataSource() { 
                // 如果有实现SecurityMetadataSource的话，可以设置采用自定义的 资源器， 如:
                // 如果实现有FilterInvocationSecurityMetadataSource的话，可以将其进行注册(即:返回其实例)
                return myFilterInvocationSecurityMetadataSource;
            }
        }
 *  MyWebSecurityConfigurerAdapter：
    
        import com.pingan.springsecurity.service.impl.MyUserDetailsService;
        import lombok.RequiredArgsConstructor;
        import org.springframework.context.annotation.Bean;
        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.password.PasswordEncoder;
        
        /** * SpringSecurity配置 * * @author JustryDeng * @date 2019/12/7 14:08 */
        @Configuration
        @RequiredArgsConstructor
        public class MyWebSecurityConfigurerAdapter extends WebSecurityConfigurerAdapter { 
        
            private final MyUserDetailsService myUserDetailsService;
        
            @Override
            public void configure(WebSecurity web) { 
                /* * 对于那些没必要进行保护的资源， 可以使用ignoring，使其跳过SpringSecurity * * 注:configure(HttpSecurity http)方法里的permitAll();也有类似的效果， * 不过permitAll会走SpringSecurity，只是说无条件放行而已。 */
                web.ignoring().antMatchers("/picture/**");
                web.ignoring().antMatchers("/md/**");
                // 开发时，可以将SpringSecurity的debug打开
                web.debug(false);
            }
        
            /** * SpringSecurity提供有一些基本的页面(如:login、logout等)；如果觉得它提供的 * 基础页面难看，想使用自己的页面的话，可以在此方法里面进行相关配置。 */
            @Override
            protected void configure(HttpSecurity http) throws Exception { 
                // 设置登录方式为 表单登录
                http.formLogin();
                /// 设置登录方式为 弹框登录
                /// http.httpBasic();
                /// 自定义登录页
                /// http.formLogin().loginPage("myLoginPae");
                /// 自定义登出页
                /// http.logout().logoutUrl("myLogoutPae");
                // 登出成功时，跳转至此url
                http.logout().logoutSuccessUrl("/logout/success");
                // 登录成功时，跳转至此url
                // 注意:如果未登录，直接访问 登录失败页的话，会被DefaultLoginPageGeneratingFilter识别，并跳转至登录页进行登录
                http.formLogin().successForwardUrl("/index");
                // 登录失败时，跳转至此url
                // 注意:如果未登录，直接访问 登录失败页的话，会被DefaultLoginPageGeneratingFilter识别，并跳转至登录页进行登录
                http.formLogin().failureUrl("/login/failed");
                /// 当鉴权不通过，是 跳转至此url
                http.exceptionHandling().accessDeniedPage("/403");
            }
        
            @Override
            protected void configure(AuthenticationManagerBuilder auth) throws Exception { 
                // 配置 UserDetailsService, 用户自定义查询用户的信息
                auth.userDetailsService(myUserDetailsService);
            }
        
            /** * 自定义 加密器 * * 注:只需要将其注册进入容器中即可，InitializeUserDetailsBeanManagerConfigurer类会从容器 * 拿去PasswordEncoder.class实现，作为其加密器 * * @date 2019/12/21 17:59 */
            @Bean
            public PasswordEncoder myPasswordEncoder() { 
                return new PasswordEncoder() { 
                    @Override
                    public String encode(CharSequence rawPassword) { 
                        return rawPassword == null ? "" : rawPassword.toString();
                    }
        
                    @Override
                    public boolean matches(CharSequence rawPassword, String encodedPassword) { 
                        if (rawPassword == null || rawPassword.length() == 0) { 
                            return false;
                        }
                        return rawPassword.equals(encodedPassword);
                    }
                };
            }
        }
 *  MyUserDetailsService：
    
        import com.pingan.springsecurity.mapper.DaoMapper;
        import com.pingan.springsecurity.model.ApiResource;
        import com.pingan.springsecurity.model.MyUserDetails;
        import com.pingan.springsecurity.model.Role;
        import lombok.RequiredArgsConstructor;
        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 java.util.List;
        import java.util.stream.Collectors;
        
        /** * 对{@link UserDetailsService#loadUserByUsername(String)}进行重写 * * @author JustryDeng * @date 2019/12/14 10:20 */
        @Service
        @RequiredArgsConstructor
        public class MyUserDetailsService implements UserDetailsService { 
        
            private final DaoMapper mapper;
        
            /** * 根据账号名, 查询用户信息 * * todo 用户名不存在时，不处理的话，最终抛出InternalAuthenticationServiceException */
            @Override
            public UserDetails loadUserByUsername(String accountNo) throws UsernameNotFoundException { 
                // 查询用户基本信息
                MyUserDetails myUserDetails = mapper.selectUserBasicInfoByAccountNo(accountNo);
                // 查询用户角色信息
                List<Role> roleList = mapper.selectRolesByUserId(myUserDetails.getId());
                // 查询用户权限信息(即:查询用户可访问的资源)
                List<Integer> roleIdList = roleList.parallelStream().map(Role::getId).collect(Collectors.toList());
                List<ApiResource> apiResources = mapper.selectApiResourcesByRoleIds(roleIdList);
        
                // 组装信息并返回
                myUserDetails.setRoles(roleList);
                myUserDetails.setAccessibleApis(apiResources);
                return myUserDetails;
            }
        
        }

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**Spring Security账号密码认证 + 自定义鉴权，简单示例完毕 ！**

**^\_^ 如有不当之处，欢迎指正**

**^\_^ 参考资料  
        《SpringSecurity5.2.1RELEASE源码》**

**^\_^ 测试代码托管链接  
         [https://github.com/JustryDeng…SpringSecurity…][https_github.com_JustryDeng_SpringSecurity]**

**^\_^ 本文已经被收录进[《程序员成长笔记》 ][Link 1]，笔者JustryDeng**

[20200409164535176.gif_pic_center]: /images/20230528/57160b46a5214284938f239e1e938286.png
[20200409164554676.gif_pic_center]: /images/20230528/729cb391a41a463fb60a45a15d7a69b9.png
[20200409164618125.gif_pic_center]: /images/20230528/7ef56710c96b409b815262742c4ee6b9.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center]: /images/20230528/7cfd00695e9843378fe4651acf4f46be.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1c3RyeV9kZW5n_size_16_color_FFFFFF_t_70_pic_center 1]: /images/20230528/9b5e07a01d6648ab811ab87aed9ce4d9.png
[https_github.com_JustryDeng_SpringSecurity]: https://github.com/JustryDeng/CommonRepository/tree/master/SpringSecurity%E5%AD%A6%E4%B9%A0
[Link 1]: https://gitee.com/JustryDeng/notebook