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102
.../model-impl/src/main/java/com/evolveum/midpoint/model/security/AuthorizationEnforcer.java
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|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /** | ||
| * Copyright (c) 2014 Evolveum | ||
| * | ||
| * 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.evolveum.midpoint.model.security; | ||
|
|
||
| import java.util.Collection; | ||
|
|
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| import org.springframework.security.core.Authentication; | ||
| import org.springframework.security.core.GrantedAuthority; | ||
| import org.springframework.security.core.context.SecurityContextHolder; | ||
|
|
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| import com.evolveum.midpoint.common.security.Authorization; | ||
| import com.evolveum.midpoint.common.security.AuthorizationConstants; | ||
| import com.evolveum.midpoint.common.security.MidPointPrincipal; | ||
| import com.evolveum.midpoint.prism.PrismObject; | ||
| import com.evolveum.midpoint.schema.result.OperationResult; | ||
| import com.evolveum.midpoint.task.api.Task; | ||
| import com.evolveum.midpoint.util.exception.SecurityViolationException; | ||
| import com.evolveum.midpoint.util.logging.Trace; | ||
| import com.evolveum.midpoint.util.logging.TraceManager; | ||
| import com.evolveum.midpoint.xml.ns._public.common.common_2a.ObjectType; | ||
|
|
||
| /** | ||
| * @author Radovan Semancik | ||
| * | ||
| */ | ||
| public class AuthorizationEnforcer { | ||
|
|
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| private static final Trace LOGGER = TraceManager.getTrace(AuthorizationEnforcer.class); | ||
|
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| public static <O extends ObjectType, T extends ObjectType> void authorize(String operationUrl, | ||
| PrismObject<O> object, PrismObject<T> target, Task task, OperationResult parentResult) throws SecurityViolationException { | ||
| Authentication authentication = SecurityContextHolder.getContext().getAuthentication(); | ||
| if (authentication == null) { | ||
| throw new SecurityViolationException("No authentication"); | ||
| } | ||
| Object principal = authentication.getPrincipal(); | ||
| boolean allow = false; | ||
| if (principal != null) { | ||
| if (principal instanceof MidPointPrincipal) { | ||
| MidPointPrincipal midPointPrincipal = (MidPointPrincipal)principal; | ||
| Collection<Authorization> authorities = midPointPrincipal.getAuthorities(); | ||
| if (authorities != null) { | ||
| for (GrantedAuthority authority: authorities) { | ||
| if (authority instanceof Authorization) { | ||
| Authorization autz = (Authorization)authority; | ||
| if (!autz.getAction().contains(operationUrl) && !autz.getAction().contains(AuthorizationConstants.AUTZ_ALL_URL)) { | ||
| LOGGER.trace("Evaluating authorization {}: not applicable for operation {}", autz, operationUrl); | ||
| continue; | ||
| } | ||
| LOGGER.trace("Evaluating authorization {}: ALLOW operation {}", autz, operationUrl); | ||
| allow = true; | ||
| break; | ||
| } else { | ||
| LOGGER.warn("Unknown authority type {} in user {}", authority.getClass(), midPointPrincipal.getUsername()); | ||
| } | ||
| } | ||
| } | ||
| } else { | ||
| LOGGER.warn("Unknown principal type {}", principal.getClass()); | ||
| } | ||
| } else { | ||
| LOGGER.warn("Null principal"); | ||
| } | ||
|
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| if (LOGGER.isTraceEnabled()) { | ||
| String username = getUsername(authentication); | ||
| LOGGER.trace("AUTZ operation {}, principal {}: {}", new Object[]{operationUrl, username, allow}); | ||
| } | ||
| if (!allow) { | ||
| String username = getUsername(authentication); | ||
| LOGGER.error("User {} not authorized for operation {}", username, operationUrl); | ||
| throw new SecurityViolationException("User "+username+" not authorized for operation "+operationUrl+":\n"+((MidPointPrincipal)principal).debugDump()); | ||
| } | ||
| } | ||
|
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| private static String getUsername(Authentication authentication) { | ||
| String username = "(none)"; | ||
| Object principal = authentication.getPrincipal(); | ||
| if (principal != null) { | ||
| if (principal instanceof MidPointPrincipal) { | ||
| username = "'"+((MidPointPrincipal)principal).getUsername()+"'"; | ||
| } else { | ||
| username = "(unknown:"+principal+")"; | ||
| } | ||
| } | ||
| return username; | ||
| } | ||
|
|
||
| } |
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