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README
MulanPSL-2.0

访问控制RAM(Resource Access Management)

简单描述:

该权限框架是一个灵活度极高的权限系统,

  • 它可以自定义允许拒绝某个权限
  • 可以在一组权限中增加条件判断,可以加入自定义条件进行更细粒度拦截(条件可以多条,且可以各自组装,比如 and or 等等)
  • 权限基于 ant 表达式判断,这就意味着你可以使用ant表达式进行授权,更加灵活和方便
  • 天然集成SpringBoot 上手更容易
  • 等等 未来可能会加入server端和client端,这就意味着权限系统可以单独部署和设置

基本元素

ram一个权限包含如下几个元素

元素名称 描述
效果(Effect) 授权效果包括两种:允许(Allow)和拒绝(Deny)
操作(Action) 操作是指对具体资源的操作。
资源(Resource) 资源是指被授权的具体对象。
条件(Condition) 条件是指授权生效的条件。
  • 效果(Effect)

    取值为:允许(Allow)或拒绝(Deny)。

    样例:"Effect": "Allow"

  • 操作(Action)

    操作支持多值,取值为:云服务所定义的API操作名称。

    格式:<ram-code>:<action-name>

    • ram-code:RAM代码
    • action-name:相关的API操作接口名称。

    样例:"Action": ["oss:ListBuckets", "ecs:Describe*", "rds:Describe*"]

  • 资源(Resource)

    资源是指被授权的具体对象。

    样例:"Resource": ["bj:project:*:*:1001", "bj:images:*:*:0002", "bj:file:*:*:mybucket", "bj:oss:*:*:mybucket/*"]

  • 条件(Condition)

    逻辑说明

    • 条件满足:一个条件关键字可以指定一个或多个值,在条件检查时,如果条件关键字的值与指定值中的某一个相同,即可判定条件满足。

快速上手

1. 用户需实现CurrentUserStatementProvider接口,用户查询当前用户的权限描述信息

例子:

@Component
public class DemoCurrentUserPermissionProvider implements CurrentUserStatementProvider {
    @Override
    public List<Statement> getCurrentUserStatementList(MethodInvocation invocation) {

        Statement statement = new Statement();
        // 拒绝 zb:project:* 下的资源访问
        statement.setEffect(Effect.Deny);
        statement.setActionList(Arrays.asList("*"));
        statement.setResourceList(Arrays.asList("zb:project:*"));
        statement.setConditionList(null);

        // 允许 zb:qiyeguanli:qiyexingxi:** zb:zhuanjiaku:zhuanjiachouqu:* 下的资源访问 且条件通过(Condition 条件是自定义的校验逻辑) 
        Statement statement2 = new Statement();
        statement2.setEffect(Effect.Allow);
        statement2.setActionList(Arrays.asList("post", "put"));
        statement2.setResourceList(Arrays.asList("zb:qiyeguanli:qiyexingxi:**","zb:zhuanjiaku:zhuanjiachouqu:*"));
        Condition condition = new Condition();
        condition.setOperationType("ip");
        condition.setKey("ip");
        condition.setValueList(Arrays.asList("127.0.0.1"));

        // 拒绝 zb:zhuanjiaku:zhuanjiachouqu:1, zb:zhuanjiaku:zhuanjiachouqu:aa, zb:zhuanjiaku:zhuanjiachouqu:22 这三个资源的 post操作访问
        Statement statement3 = new Statement();
        statement3.setEffect(Effect.Deny);
        statement3.setActionList(Arrays.asList("post"));
        statement3.setResourceList(Arrays.asList("zb:zhuanjiaku:zhuanjiachouqu:1", "zb:zhuanjiaku:zhuanjiachouqu:aa", "zb:zhuanjiaku:zhuanjiachouqu:22"));
        statement3.setConditionList(null);

        List<Statement> statementList = new ArrayList<>();
        statementList.add(statement2);
        statementList.add(statement);
        statementList.add(statement3);
        // 排序
        DefaultStatementComparator.INSTANCE.sort(statementList);
        return statementList;
    }
}

2. web接口处加上 @Action注解

例子:


@Action(value = "zb:", action = "11", description = "招标项目:")
@RestController
public class DemoController {

    @Autowired
    private PermissionHandler permissionHandler;
    @Autowired
    private ActionHolder actionHolder;

    @GetMapping("/test/{id}")
    @Action(resource = "zhuanjiaku:zhuanjiachouqu:{#id}", action = "put", description = "专家抽取:详情")
    public String test(@PathVariable String id) {
        return "success";
    }

    @PostMapping("/test2/{aa}")
    @Action(resource = "qiyeguanli:qiyexingxi:{#aa}:{#d.id}", action = "put", hitThrowError = false, description = "企业管理:企业信息:详情")
    public String test2(@PathVariable String aa, @RequestBody Body d) {
        return "success2";
    }

    @GetMapping("/get")
    public Collection<Action> test3() {
        return actionHolder.actionList();
    }


    @Data
    public static class Body {
        private String id;
        private String name;
    }
}
  • @Action注解属性详解

    @Target({ElementType.METHOD, ElementType.TYPE})
    @Retention(RetentionPolicy.RUNTIME)
    public @interface Action {
        @AliasFor("resource")
        String value() default "";
    
        /** 资源名称. */
        @AliasFor("value")
        String resource() default "";
    
        /** 描述. */
        String description() default "";
    
        /** 是否跳过校验. */
        boolean skip() default false;
    
        /** action. */
        String action() default "exec";
    
        /** 是否开启自动校验, 如果为true会使用springAOP进行自动校验. */
        boolean autoMatch() default true;
    
        /** 如果开启自动校验 并且校验过是否抛出异常. */
        boolean hitThrowError() default true;
    }

3. 权限被拦截后默认会 抛出 RamHitException异常,可以自定义异常拦截器拦截该异常进行权限校验处理,如果不想抛出异常可以 在 @Action中将属性 hitThrowError设置为false

4. 扩展

RamContext

RamContext为扩展类,可以在代码中通过RamContext获取当前校验的一些数据,比如当前校验是否通过 ,当前的Action数据等等,也就是说,如果想自定义校验,而不用自带的Aop校验,可以使用RamContext获取一些权限信息,也可以设置一些数据给Aop拦截器

ActionHolder

ActionHolder用于读取和解析Action, 默认启动的时候会扫描所有带有 @Action 注解的方法,可以自定义添加或删除

此外它还有更多灵活的扩展接口,并且该项目也在逐渐优化中...敬请期待
木兰宽松许可证, 第2版 木兰宽松许可证, 第2版 2020年1月 http://license.coscl.org.cn/MulanPSL2 您对“软件”的复制、使用、修改及分发受木兰宽松许可证,第2版(“本许可证”)的如下条款的约束: 0. 定义 “软件”是指由“贡献”构成的许可在“本许可证”下的程序和相关文档的集合。 “贡献”是指由任一“贡献者”许可在“本许可证”下的受版权法保护的作品。 “贡献者”是指将受版权法保护的作品许可在“本许可证”下的自然人或“法人实体”。 “法人实体”是指提交贡献的机构及其“关联实体”。 “关联实体”是指,对“本许可证”下的行为方而言,控制、受控制或与其共同受控制的机构,此处的控制是指有受控方或共同受控方至少50%直接或间接的投票权、资金或其他有价证券。 1. 授予版权许可 每个“贡献者”根据“本许可证”授予您永久性的、全球性的、免费的、非独占的、不可撤销的版权许可,您可以复制、使用、修改、分发其“贡献”,不论修改与否。 2. 授予专利许可 每个“贡献者”根据“本许可证”授予您永久性的、全球性的、免费的、非独占的、不可撤销的(根据本条规定撤销除外)专利许可,供您制造、委托制造、使用、许诺销售、销售、进口其“贡献”或以其他方式转移其“贡献”。前述专利许可仅限于“贡献者”现在或将来拥有或控制的其“贡献”本身或其“贡献”与许可“贡献”时的“软件”结合而将必然会侵犯的专利权利要求,不包括对“贡献”的修改或包含“贡献”的其他结合。如果您或您的“关联实体”直接或间接地,就“软件”或其中的“贡献”对任何人发起专利侵权诉讼(包括反诉或交叉诉讼)或其他专利维权行动,指控其侵犯专利权,则“本许可证”授予您对“软件”的专利许可自您提起诉讼或发起维权行动之日终止。 3. 无商标许可 “本许可证”不提供对“贡献者”的商品名称、商标、服务标志或产品名称的商标许可,但您为满足第4条规定的声明义务而必须使用除外。 4. 分发限制 您可以在任何媒介中将“软件”以源程序形式或可执行形式重新分发,不论修改与否,但您必须向接收者提供“本许可证”的副本,并保留“软件”中的版权、商标、专利及免责声明。 5. 免责声明与责任限制 “软件”及其中的“贡献”在提供时不带任何明示或默示的担保。在任何情况下,“贡献者”或版权所有者不对任何人因使用“软件”或其中的“贡献”而引发的任何直接或间接损失承担责任,不论因何种原因导致或者基于何种法律理论,即使其曾被建议有此种损失的可能性。 6. 语言 “本许可证”以中英文双语表述,中英文版本具有同等法律效力。如果中英文版本存在任何冲突不一致,以中文版为准。 条款结束 如何将木兰宽松许可证,第2版,应用到您的软件 如果您希望将木兰宽松许可证,第2版,应用到您的新软件,为了方便接收者查阅,建议您完成如下三步: 1, 请您补充如下声明中的空白,包括软件名、软件的首次发表年份以及您作为版权人的名字; 2, 请您在软件包的一级目录下创建以“LICENSE”为名的文件,将整个许可证文本放入该文件中; 3, 请将如下声明文本放入每个源文件的头部注释中。 Copyright (c) [Year] [name of copyright holder] [Software Name] is licensed under Mulan PSL v2. 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简介

访问控制RAM(Resource Access Management)权限框架 一种伪opa的开放权限设计 展开 收起
Java
MulanPSL-2.0
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