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dashboard: Improve the ACL checking mechanism (alibaba#1042)
* Add `@AuthAction` annotation support
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34 changes: 34 additions & 0 deletions
34
sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/auth/AuthAction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| /* | ||
| * Copyright 1999-2018 Alibaba Group Holding Ltd. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.alibaba.csp.sentinel.dashboard.auth; | ||
|
|
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| import java.lang.annotation.Documented; | ||
| import java.lang.annotation.ElementType; | ||
| import java.lang.annotation.Retention; | ||
| import java.lang.annotation.RetentionPolicy; | ||
| import java.lang.annotation.Target; | ||
|
|
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| @Retention(RetentionPolicy.RUNTIME) | ||
| @Documented | ||
| @Target({ElementType.METHOD}) | ||
| public @interface AuthAction { | ||
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| AuthService.PrivilegeType value(); | ||
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| String targetName() default "app"; | ||
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| String message() default "No privilege"; | ||
| } |
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...inel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/auth/AuthInterceptor.java
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|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * Copyright 1999-2018 Alibaba Group Holding Ltd. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.alibaba.csp.sentinel.dashboard.auth; | ||
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|
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| import com.alibaba.csp.sentinel.dashboard.domain.Result; | ||
| import com.alibaba.fastjson.JSON; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.stereotype.Component; | ||
| import org.springframework.web.method.HandlerMethod; | ||
| import org.springframework.web.servlet.HandlerInterceptor; | ||
|
|
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| import javax.servlet.http.HttpServletRequest; | ||
| import javax.servlet.http.HttpServletResponse; | ||
| import java.io.IOException; | ||
| import java.lang.reflect.Method; | ||
|
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| @Component | ||
| public class AuthInterceptor implements HandlerInterceptor { | ||
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| @Autowired | ||
| private AuthService<HttpServletRequest> authService; | ||
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| @Override | ||
| public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) | ||
| throws Exception { | ||
| if (handler.getClass().isAssignableFrom(HandlerMethod.class)) { | ||
| Method method = ((HandlerMethod) handler).getMethod(); | ||
|
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| AuthAction authAction = method.getAnnotation(AuthAction.class); | ||
| if (authAction != null) { | ||
| AuthService.AuthUser authUser = authService.getAuthUser(request); | ||
| if (authUser == null) { | ||
| responseNoPrivilegeMsg(response, authAction.message()); | ||
| return false; | ||
| } | ||
| String target = request.getParameter(authAction.targetName()); | ||
|
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| if (!authUser.authTarget(target, authAction.value())) { | ||
| responseNoPrivilegeMsg(response, authAction.message()); | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
|
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| return true; | ||
| } | ||
|
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| private void responseNoPrivilegeMsg(HttpServletResponse response, String message) throws IOException { | ||
| Result result = Result.ofFail(-1, message); | ||
| response.addHeader("Content-Type", "application/json;charset=UTF-8"); | ||
| response.getOutputStream().write(JSON.toJSONBytes(result)); | ||
| } | ||
| } |
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