{"id":396248,"date":"2021-03-24T18:22:10","date_gmt":"2021-03-24T10:22:10","guid":{"rendered":"http:\/\/4563.org\/?p=396248"},"modified":"2021-03-24T18:22:10","modified_gmt":"2021-03-24T10:22:10","slug":"casbin-%e5%bc%ba%e5%a4%a7%e7%9a%84%e8%ae%bf%e9%97%ae%e6%8e%a7%e5%88%b6%e3%80%81%e6%9d%83%e9%99%90%e7%ae%a1%e7%90%86%e6%a1%86%e6%9e%b6%ef%bc%8c%e6%94%af%e6%8c%81-acl-rbac-abac%ef%bc%8c%e6%94%af","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=396248","title":{"rendered":"Casbin: \u5f3a\u5927\u7684\u8bbf\u95ee\u63a7\u5236\u3001\u6743\u9650\u7ba1\u7406\u6846\u67b6\uff0c\u652f\u6301 ACL, RBAC, ABAC\uff0c\u652f\u6301\u6240\u6709\u4e3b\u6d41\u7f16\u7a0b\u8bed\u8a00"},"content":{"rendered":"
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Casbin: \u5f3a\u5927\u7684\u8bbf\u95ee\u63a7\u5236\u3001\u6743\u9650\u7ba1\u7406\u6846\u67b6\uff0c\u652f\u6301 ACL, RBAC, ABAC\uff0c\u652f\u6301\u6240\u6709\u4e3b\u6d41\u7f16\u7a0b\u8bed\u8a00 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : hsluoyz <\/span> <\/i> 14<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\"Casbin:<\/p>\n

\u5f00\u53d1\u8bed\u8a00\u652f\u6301<\/h2>\n

Go \u8bed\u8a00\u7248casbin\u3001Java \u8bed\u8a00\u7248jcasbin\u3001<\/p>\n

Node \u8bed\u8a00\u7248node-casbin\u3001php \u8bed\u8a00\u7248PHP-Casbin\u3001<\/p>\n

python \u8bed\u8a00\u7248PyCasbin\u3001pascal \u8bed\u8a00\u7248Casbin4D\u3001<\/p>\n

Net \u8bed\u8a00\u7248Casbin-Net\u3001Rust \u8bed\u8a00\u7248casbin-rs\u3002 <\/p>\n

\u529f\u80fd<\/h2>\n

1.\u6309\u7167\u7ecf\u5178\u8868\u5355{subject, object, action}\uff0c\u6216\u81ea\u5b9a\u4e49\u8868\u5355\u6267\u884c\u5b9a\u4e49\u7684\u7b56\u7565\uff0c\u652f\u6301[\u5141\u8bb8]\u548c[\u62d2\u7edd]\u4e24\u79cd\u6388\u6743\u3002<\/p>\n

2.\u5904\u7406\u8bbf\u95ee\u63a7\u5236\u6a21\u578b\u53ca\u5176\u7b56\u7565\u7684\u5b58\u50a8\u3002 <\/p>\n

3.\u7ba1\u7406\u89d2\u8272 – \u7528\u6237\u6620\u5c04\u548c\u89d2\u8272 – \u89d2\u8272\u6620\u5c04\uff08 RBAC \u7684\u89d2\u8272\u5c42\u7ea7\u7ed3\u6784\uff09\u3002 <\/p>\n

4.\u5185\u7f6e\u8d85\u7ea7\u7528\u6237\uff0c\u5982\uff1aroot \u3001administrator \u3002\u8d85\u7ea7\u7528\u6237\u9ed8\u8ba4\u80fd\u505a\u4efb\u4f55\u4e8b\u3002 <\/p>\n

5.\u5185\u7f6e\u591a\u4e2a\u64cd\u4f5c\u7b26\uff0c\u652f\u6301\u89c4\u5219\u5339\u914d\u3002\u5982\uff1akeyMatch \u5c06\u8d44\u6e90 \/foo\/bar \u6620\u5c04\u5230 \/foo*\u3002 <\/p>\n

\u4e0d\u80fd\u505a\u4ec0\u4e48<\/h2>\n

1.\u4e0d\u8d1f\u8d23\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n

Casbin \u4e0d\u8d1f\u8d23\u7528\u6237\u767b\u5f55\u4fe1\u606f\u9a8c\u8bc1\uff08\u7528\u6237\u767b\u5f55\u65f6 username \u3001password \u9a8c\u8bc1\uff09\u3002 <\/p>\n

2.\u4e0d\u8d1f\u8d23\u7ba1\u7406\u7528\u6237\u6216\u89d2\u8272\u5217\u8868\u3002<\/p>\n

Casbin \u76f8\u4fe1\u7531\u9879\u76ee\u81ea\u8eab\u7ba1\u7406\u8fd9\u4e9b\u5b9e\u4f53\u4f1a\u66f4\u65b9\u4fbf\u3002<\/p>\n

\u7528\u6237\u901a\u5e38\u62e5\u6709\u81ea\u5df1\u7684\u5bc6\u7801\uff0c\u800c Casbin \u5e76\u975e\u4e3a\u5bc6\u7801\u5bb9\u5668\u800c\u8bbe\u8ba1\u3002Casbin \u4f1a\u5b58\u50a8 RBAC \u65b9\u6848\u7684\u4e2d\u7528\u6237\u4e0e\u89d2\u8272\u7684\u6620\u5c04\u3002 <\/p>\n

\u82e5\u786e\u5b9e\u9700\u8981 Casbin \u9a8c\u8bc1\u548c\u6388\u6743\uff0c\u53ef\u52a0\u5165 Casbin\uff0cGO \u8bed\u8a00\u7f16\u5199\u7684\u7b80\u5355 API \u7f51\u5173\u3002 <\/p>\n

\u4f9d\u8d56<\/h2>\n
<dependency><\/span> <\/span><groupId><\/span>org.casbin<\/span><\/groupId><\/span> <\/span><artifactId><\/span>jcasbin<\/span><\/artifactId><\/span> <\/span><version><\/span>1.2.0<\/span><\/version><\/span> <\/span><\/dependency><\/span><\/pre>\n
\u5b89\u88c5\u65b9\u5f0f\u8be6\u89c1Casbin \u5b89\u88c5\u624b\u518c\u3002 <\/p>\n
\u5165\u95e8<\/h2>\n
\u6700\u65b0\u7248\u7684 Casbin \u6267\u884c\u5668\uff0c\u80fd\u76f4\u63a5\u8bfb\u53d6\u6a21\u578b\u6587\u4ef6\u548c\u7b56\u7565\u6587\u4ef6\uff1a <\/p>\n
import<\/span> org<\/span>.<\/span>casbin<\/span>.<\/span>jcasbin<\/span>.<\/span>main<\/span>.<\/span>Enforcer<\/span>;<\/span> 
Enforcer<\/span> enforcer <\/span>=<\/span> <\/span>new<\/span> <\/span>Enforcer<\/span>(<\/span>\"path\/to\/model.conf\"<\/span>,<\/span> <\/span>\"path\/to\/policy.csv\"<\/span>);<\/span><\/p><\/span><\/pre>\n
\u4e5f\u80fd\u591f\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u5728\u8bbf\u95ee\u524d\u52a0\u5165\u5982\u4e0b\u5904\u7406\u903b\u8f91\uff1a<\/p>\n<\/p>\n
String<\/span> <\/span>sub<\/span> <\/span>=<\/span> <\/span>\"alice\"<\/span>;<\/span> <\/span>\/\/ the user that wants to access a resource.<\/span> <\/span>String<\/span> obj <\/span>=<\/span> <\/span>\"data1\"<\/span>;<\/span> <\/span>\/\/ the resource that is going to be accessed.<\/span> <\/span>String<\/span> act <\/span>=<\/span> <\/span>\"read\"<\/span>;<\/span> <\/span>\/\/ the operation that the user performs on the resource.<\/span> 
if<\/span> <\/span>(<\/span>enforcer<\/span>.<\/span>enforce<\/span>(<\/span>sub<\/span>,<\/span> obj<\/span>,<\/span> act<\/span>)<\/span> <\/span>==<\/span> <\/span>true<\/span>)<\/span> <\/span>{<\/span> <\/span>\/\/ permit alice to read data1<\/span> <\/span>}<\/span> <\/span>else<\/span> <\/span>{<\/span> <\/span>\/\/ deny the request, show an error<\/span> <\/span>}<\/span><\/p><\/span><\/pre>\n
\u9664\u9759\u6001\u7b56\u7565\u6587\u4ef6\uff0cCasbin \u8fd8\u63d0\u4f9b\u8fd0\u884c\u65f6\u6743\u9650\u7ba1\u7406 API \u3002\u5982\uff0c\u5206\u914d\u7ed9\u7528\u6237\u7684\u89d2\u8272\uff1a<\/p>\n<\/p>\n
Roles<\/span> roles <\/span>=<\/span> enforcer<\/span>.<\/span>getRoles<\/span>(<\/span>\"alice\"<\/span>);<\/span><\/pre>\n
\u6743\u9650\u7ba1\u7406 API<\/h2>\n
Casbin \u6743\u9650\u7ba1\u7406 API \u76ee\u524d\u53ea\u652f\u6301 Go \u8bed\u8a00\u548c Node.js \u3002<\/p>\n
\u5177\u4f53\u53c2\u8003Casbin \u6743\u9650\u7ba1\u7406 API\u3002<\/p>\n
\u6743\u9650\u914d\u7f6e\u53c2\u8003\u5728\u7ebf\u7f16\u8f91\u5de5\u5177\u3002 <\/p>\n
\u591a\u7ebf\u7a0b\u5904\u7406<\/h2>\n
\u591a\u7ebf\u7a0b\u65b9\u5f0f\u4f7f\u7528 Casbin\uff0c\u53ef\u4f7f\u7528 Casbin enforcer \u7684\u540c\u6b65\u5305\u88c5\u7c7b\u3002<\/p>\n
\u5b83\u652f\u6301 AutoLoad \u529f\u80fd\uff0c\u82e5\u53d1\u751f\u53d8\u66f4\uff0cCasbin enforcer \u81ea\u52a8\u4ece DB \u52a0\u8f7d\u6700\u65b0\u7b56\u7565\u3002<\/p>\n
StartAutoLoadPolicy()\uff1a\u5b9a\u671f\u52a0\u8f7d\u7b56\u7565\u3002<\/p>\n
StopAutoLoadPolicy()\uff1a\u505c\u6b62\u64cd\u4f5c\u3002 <\/p>\n
\u7ba1\u7406\u754c\u9762<\/h2>\n
\"Casbin: <\/p>\n
\u53c2\u89c1Casbin web-ui\u3002 <\/p>\n
\u5b89\u5168\u6a21\u578b<\/h2>\n
Casbin \u652f\u6301\u591a\u8fbe 11 \u79cd\u7684\u5b89\u5168\u6a21\u578b\u3002<\/p>\n
\u5177\u4f53\u914d\u7f6e\u53c2\u8003Casbin \u6a21\u578b\u793a\u4f8b\uff0c\u7a0d\u540e\u4f1a\u5217\u51fa\u652f\u6301\u768411 \u79cd\u5b89\u5168\u63a7\u5236\u6a21\u578b\u3002 <\/p>\n
\u6a21\u578b\u8bed\u6cd5<\/h2>\n
Casbin CONF \u6a21\u578b\u5305\u542b\u56db\u4e2a\u90e8\u5206\uff1a<\/p>\n
[request_definition]\u3001[policy_definition]\u3001[policy_effect]\u3001[matchers]\u3002<\/p>\n
\u4f7f\u7528 RBAC \u6a21\u578b\uff0c\u8fd8\u9700\u6dfb\u52a0[role_definition]\u90e8\u5206\u3002<\/p>\n
CONF \u6a21\u578b\u53ef\u4ee5\u5305\u542b\u6ce8\u91ca\uff08#\uff09\u3002 <\/p>\n
# Request definition<\/span> <\/span>[<\/span>request_definition<\/span>]<\/span> r <\/span>=<\/span> <\/span>sub<\/span>,<\/span> obj<\/span>,<\/span> act 
# Policy definition<\/span> <\/span>[<\/span>policy_definition<\/span>]<\/span> p <\/span>=<\/span> <\/span>sub<\/span>,<\/span> obj<\/span>,<\/span> act<\/span><\/p> 
# Policy effect<\/span><\/span><\/p> 
[<\/span>policy_effect<\/span>]<\/span> e <\/span>=<\/span> some<\/span>(<\/span>where<\/span> <\/span>(<\/span>p<\/span>.<\/span>eft <\/span>==<\/span> allow<\/span>))<\/span> <\/span>&&<\/span> <\/span>!<\/span>some<\/span>(<\/span>where<\/span> <\/span>(<\/span>p<\/span>.<\/span>eft <\/span>==<\/span> deny<\/span>))<\/span><\/span><\/p> 
# Matchers<\/span> <\/span>[<\/span>matchers<\/span>]<\/span> m <\/span>=<\/span> r<\/span>.<\/span>sub<\/span> <\/span>==<\/span> p<\/span>.<\/span>sub<\/span> <\/span>&&<\/span> r<\/span>.<\/span>obj <\/span>==<\/span> p<\/span>.<\/span>obj <\/span>&&<\/span> r<\/span>.<\/span>act <\/span>==<\/span> p<\/span>.<\/span>act<\/span><\/p><\/span><\/pre>\n
\u8be6\u60c5\u53c2\u89c1Casbin \u6a21\u578b\u8bed\u6cd5\u3002<\/p>\n
\u65e5\u5fd7\u5904\u7406<\/h2>\n
Casbin \u5185\u7f6e log\uff0c\u9ed8\u8ba4\u542f\u7528\u65e5\u5fd7\u8bb0\u5f55\u3002\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
2017<\/span>\/<\/span>07<\/span>\/<\/span>15<\/span> <\/span>19<\/span>:<\/span>43<\/span>:<\/span>56<\/span> <\/span>[<\/span>Request<\/span>:<\/span> alice<\/span>,<\/span> data1<\/span>,<\/span> read <\/span>---><\/span> <\/span>true<\/span>]<\/span> <\/span><\/pre>\n
\u4f7f\u7528 Enforcer.EnableLog()\u6216 NewEnforcer()\u7684\u6700\u540e\u4e00\u4e2a\u53c2\u6570\u5207\u6362\u5b83\uff1a<\/p>\n
\/\/ Disable the logging in the new method.<\/span> e <\/span>:=<\/span> casbin<\/span>.<\/span>NewEnforcer<\/span>(<\/span>\"examples\/basic_model.conf\"<\/span>,<\/span> <\/span>\"examples\/basic_policy.csv\"<\/span>,<\/span> <\/span>false<\/span>)<\/span> 
\/\/ Enable the logging at run-time.<\/span> e<\/span>.<\/span>EnableLog<\/span>(<\/span>true<\/span>)<\/span><\/p><\/span><\/pre>\n
\u8be6\u60c5\u53c2\u89c1Casbin \u65e5\u5fd7\u5904\u7406\u3002<\/p>\n<\/p>\n
11 \u79cd\u5b89\u5168\u6a21\u578b<\/h2>\n
ACL(\u8bbf\u95ee\u63a7\u5236\u5217\u8868)<\/p>\n
ACL \u548c\u8d85\u7ea7\u7528\u6237<\/p>\n
\u6ca1\u6709\u7528\u6237\u7684 ACL\uff1a\u5bf9\u6ca1\u6709\u8eab\u4efd\u9a8c\u8bc1\u6216\u7528\u6237\u767b\u5f55\u7684\u7cfb\u7edf\u5c24\u5176\u6709\u7528\u3002 <\/p>\n
\u6ca1\u6709\u8d44\u6e90\u7684 ACL\uff1a\u901a\u8fc7\u4f7f\u7528 write-article \u3001read-log \u7b49\u6743\u9650\u3002\u9002\u7528\u9488\u5bf9\u4e00\u79cd\u8d44\u6e90\u7c7b\u578b\uff0c\u800c\u4e0d\u662f\u5355\u4e2a\u8d44\u6e90\u7684\u573a\u666f\u3002\u4e0d\u63a7\u5236\u5bf9\u7279\u5b9a\u6587\u7ae0\u6216\u65e5\u5fd7\u7684\u8bbf\u95ee\u3002 <\/p>\n
RBAC\uff1a\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236 <\/p>\n
\u5177\u6709\u8d44\u6e90\u89d2\u8272\u7684 RBAC\uff1a\u7528\u6237\u548c\u8d44\u6e90\u80fd\u540c\u65f6\u62e5\u6709\u89d2\u8272(\u6216\u7ec4)\u3002 <\/p>\n
\u5177\u6709\u57df \/\u79df\u6237\u7684 RBAC\uff1a\u5bf9\u4e8e\u4e0d\u540c\u7684\u57df \/\u79df\u6237\uff0c\u7528\u6237\u53ef\u4ee5\u62e5\u6709\u4e0d\u540c\u7684\u89d2\u8272\u96c6\u3002 <\/p>\n
\u57fa\u4e8e\u5c5e\u6027\u7684\u8bbf\u95ee\u63a7\u5236(ABAC)\uff1a\u7c7b\u4f3c\u8d44\u6e90\u7684\u8bed\u6cd5\u7cd6\u3002\u6240\u6709\u8005\u53ef\u7528\u4e8e\u83b7\u53d6\u8d44\u6e90\u5c5e\u6027\u3002 <\/p>\n
RESTful\uff1a\u652f\u6301 \/res\/*\u3001\/res\/:id \u7b49\u8def\u5f84\u548c GET \u3001POST \u3001PUT \u3001DELETE \u7b49 HTTP \u65b9\u6cd5\u3002 <\/p>\n
\u62d2\u7edd\u8986\u76d6(Deny-override)\uff1a\u652f\u6301\u5141\u8bb8\u548c\u62d2\u7edd\u6388\u6743\uff0c\u62d2\u7edd\u8986\u76d6\u5141\u8bb8\u3002 <\/p>\n
\u4f18\u5148\u7ea7(Priority)\uff1a\u7b56\u7565\u89c4\u5219\u50cf\u9632\u706b\u5899\u89c4\u5219\u4e00\u6837\u4f18\u5148\u7ea7\u5316\u3002 <\/p>\n
\u5de5\u4f5c\u539f\u7406<\/h2>\n
\u4ee5 Java \u7248 Casbin \u4e3a\u4f8b\uff0c\u8bf4\u660e Casbin \u5de5\u4f5c\u539f\u7406\u3002 <\/p>\n
\u5728 jCasbin \u4e2d\uff0c\u8bbf\u95ee\u63a7\u5236\u6a21\u578b\u57fa\u4e8e PERM \u5143\u6a21\u578b\uff08\u7b56\u7565\u3001\u6548\u679c\u3001\u8bf7\u6c42\u3001\u5339\u914d\u5668\uff09\u62bd\u8c61\u7684 CONF \u6587\u4ef6\u3002<\/p>\n
\u5207\u6362\u6216\u5347\u7ea7\u9879\u76ee\u7684\u6388\u6743\u673a\u5236\uff0c\u5982\u540c\u4fee\u6539\u914d\u7f6e\u4e00\u6837\u7b80\u5355\u3002<\/p>\n
\u901a\u8fc7\u7ec4\u5408\u53ef\u7528\u7684\u6a21\u578b\uff0c\u81ea\u5b9a\u4e49\u4e2a\u6027\u5316\u7684\u8bbf\u95ee\u63a7\u5236\u6a21\u578b\u3002<\/p>\n
\u5982\uff1a\u5728\u4e00\u4e2a\u6a21\u578b\u4e2d\u5c06 RBAC \u89d2\u8272\u548c ABAC \u5c5e\u6027\u653e\u5728\u4e00\u8d77\uff0c\u5e76\u5171\u4eab\u4e00\u7ec4\u7b56\u7565\u89c4\u5219\u3002 <\/p>\n
ACL \u6a21\u578b<\/h2>\n
p<\/span>,<\/span> alice<\/span>,<\/span> data1<\/span>,<\/span> read p<\/span>,<\/span> bob<\/span>,<\/span> data2<\/span>,<\/span> write<\/span><\/pre>\n
\u793a\u4f8b\u4e2d\u8868\u793a alice \u53ef\u4ee5\u8bbf\u95ee data1\uff0cbob \u53ef\u4ee5\u5bf9 data2 \u8fdb\u884c\u5199\u64cd\u4f5c\u3002 <\/p>\n
PERM \u5143\u6a21\u578b<\/h2>\n
PERM \uff08\u7b56\u7565\u3001\u6548\u679c\u3001\u8bf7\u6c42\u3001\u5339\u914d\u5668\uff09\u7684\u5b9e\u4f8b\u63cf\u8ff0\u56db\u79cd\u5b9e\u4f53\u5982\u4f55\u4ea4\u4e92\u4ee5\u5b8c\u6210\u6388\u6743\u3002<\/p>\n
\u9996\u5148\u4e86\u89e3\u4e00\u4e0b\u76f8\u5173\u6982\u5ff5\uff0c\u518d\u770b\u4e00\u4e2a\u793a\u4f8b\u6a21\u578b\u3002 <\/p>\n
\u8bf7\u6c42(Request)<\/h3>\n
\u6709\u5173\u8bbf\u95ee\u8bf7\u6c42\u7684\u4fe1\u606f\u3002<\/p>\n
\u4e00\u4e2a\u8bf7\u6c42\u4f1a\u5305\u542b\u4e00\u7ec4 subject \u3001action \u3001resource \u6570\u636e\uff0cr = {sub, action, resource}\u3002\u903b\u8f91\u5b9e\u4f53\u6784\u5efa\u4e8e\u6301\u4e45\u6570\u636e\u4e4b\u4e0a\uff0c\u5c31\u50cf CRM \u7cfb\u7edf\u4e2d\u7684\u5ba2\u6237\u4e00\u6837\u3002 <\/p>\n
\u7b56\u7565\uff08 Policy \uff09<\/h3>\n
\u6784\u6210\u7cfb\u7edf\u89c4\u5219\u7684\u6a21\u578b\uff0c\u5982\uff1a\u5141\u8bb8\u7ba1\u7406\u5458\u8bfb\u53d6\u7528\u6237\u4fe1\u606f <\/p>\n
p <\/span>=<\/span> <\/span>{<\/span>sub<\/span>,<\/span> action<\/span>,<\/span> resource<\/span>}<\/span><\/pre>\n
\u5339\u914d\u5668\uff08 Matchers \uff09<\/h3>\n
\u8bf7\u6c42\u548c\u7b56\u7565\u5982\u4f55\u5339\u914d\u7684\u6a21\u578b\u3002<\/p>\n
\u6700\u7b80\u5355\u7684\u4f8b\u5b50\u662f\u4f7f\u7528\u7b49\u5f0f\u5339\u914d\u8bf7\u6c42\u548c\u7b56\u7565\u3002 <\/p>\n
m <\/span>=<\/span> r<\/span>.<\/span>sub<\/span> <\/span>==<\/span> p<\/span>.<\/span>sub<\/span> <\/span>&&<\/span> r<\/span>.<\/span>action <\/span>==<\/span> p<\/span>.<\/span>action <\/span>&&<\/span> r<\/span>.<\/span>resource <\/span>==<\/span> p<\/span>.<\/span>resource<\/span><\/pre>\n
\u6548\u679c\uff08 Effect \uff09<\/h3>\n
\u5c06\u7ec4\u5408\u6216\u62c6\u5206\u7684\u7b56\u7565\u6a21\u578b\u53bb\u8bf7\u6c42\u5f97\u4ee5\u4e00\u4e2a\u6700\u7ec8\u7ed3\u679c\u3002<\/p>\n
\u8bc4\u4f30\u8868\u8fbe\u5f0f\u7684\u503c\u53ef\u5728\u6bcf\u4e2a\u7b56\u7565\u7684 eft \u5b57\u6bb5\u4e2d\u627e\u5230\u3002 <\/p>\n
e <\/span>=<\/span> some<\/span>(<\/span>p<\/span>.<\/span>eft <\/span>==<\/span> allow<\/span>)<\/span><\/pre>\n
\u4e0b\u56fe\u4e2d\u6f14\u793a\u4e86\u5982\u4f55\u57fa\u4e8e PERM \u6a21\u578b\u4f5c\u6388\u6743\u8bf7\u6c42\u3002 <\/p>\n
\"Casbin: <\/p>\n
ACL \u6388\u6743\u6a21\u578b\u5b9a\u4e49<\/h2>\n
[<\/span>request_definition<\/span>]<\/span> r <\/span>=<\/span> <\/span>sub<\/span>,<\/span> obj<\/span>,<\/span> act 
[<\/span>policy_definition<\/span>]<\/span> p <\/span>=<\/span> <\/span>sub<\/span>,<\/span> obj<\/span>,<\/span> act<\/span><\/p> 
[<\/span>policy_effect<\/span>]<\/span> e <\/span>=<\/span> some<\/span>(<\/span>where<\/span> <\/span>(<\/span>p<\/span>.<\/span>eft <\/span>==<\/span> allow<\/span>))<\/span><\/span><\/p> 
[<\/span>matchers<\/span>]<\/span> m <\/span>=<\/span> r<\/span>.<\/span>sub<\/span> <\/span>==<\/span> p<\/span>.<\/span>sub<\/span> <\/span>&&<\/span> r<\/span>.<\/span>obj <\/span>==<\/span> p<\/span>.<\/span>obj <\/span>&&<\/span> r<\/span>.<\/span>act <\/span>==<\/span> p<\/span>.<\/span>act<\/span><\/p><\/span><\/pre>\n
\u8fd9\u79cd\u6388\u6743\u6a21\u578b\uff0c\u5b9a\u4e49\u6388\u6743\u89c4\u5219\u7684\u7b56\u7565\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
p<\/span>,<\/span> alice<\/span>,<\/span> data1<\/span>,<\/span> read p<\/span>,<\/span> bob<\/span>,<\/span> data2<\/span>,<\/span> write<\/span><\/pre>\n
\u5141\u8bb8 admin \u7528\u6237\u8bbf\u95ee\u6240\u6709\u5185\u5bb9\u7684\u5b9a\u4e49\u5982\u4e0b\uff1a <\/p>\n
[<\/span>matchers<\/span>]<\/span> m <\/span>=<\/span> r<\/span>.<\/span>sub<\/span> <\/span>==<\/span> admin <\/span>||<\/span> <\/span>(<\/span>r<\/span>.<\/span>sub<\/span> <\/span>==<\/span> p<\/span>.<\/span>sub<\/span> <\/span>&&<\/span> r<\/span>.<\/span>obj <\/span>==<\/span> p<\/span>.<\/span>obj <\/span>&&<\/span> r<\/span>.<\/span>act <\/span>==<\/span> p<\/span>.<\/span>act<\/span>)<\/span><\/pre>\n
\u542f\u7528\u57fa\u4e8e\u7b80\u5355\u5c5e\u6027\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u8bbf\u95ee resource \u5bf9\u8c61\u4e2d\u7684\u6570\u636e\u3002<\/p>\n
\u5982\u679c\u53ea\u5141\u8bb8\u8d44\u6e90\u6240\u6709\u8005\u53d1\u8d77\u7684\u8bf7\u6c42\uff0c\u5339\u914d\u5668\u8868\u8fbe\u5f0f\u5c06\u6539\u4e3a\uff1a <\/p>\n
m <\/span>=<\/span> r<\/span>.<\/span>obj<\/span>.<\/span>owner <\/span>==<\/span> r<\/span>.<\/span>sub<\/span> <\/span>&&<\/span> <\/span>(<\/span>r<\/span>.<\/span>sub<\/span> <\/span>==<\/span> p<\/span>.<\/span>sub<\/span> <\/span>&&<\/span> r<\/span>.<\/span>obj <\/span>==<\/span> p<\/span>.<\/span>obj <\/span>&&<\/span> r<\/span>.<\/span>act <\/span>==<\/span> p<\/span>.<\/span>act<\/span>)<\/span><\/pre>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (0<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
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    Casbin: \u5f3a\u5927\u7684\u8bbf\u95ee\u63a7\u5236\u3001\u6743…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/396248"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=396248"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/396248\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=396248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=396248"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=396248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}