| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.sentry.policy.db; |
| |
| import org.apache.sentry.core.model.db.AccessURI; |
| import org.apache.sentry.core.model.db.DBModelAuthorizable; |
| import org.apache.sentry.core.model.db.Database; |
| import org.apache.sentry.policy.common.PrivilegeValidatorContext; |
| import org.apache.shiro.config.ConfigurationException; |
| |
| public class DatabaseRequiredInPrivilege extends AbstractDBPrivilegeValidator { |
| |
| @Override |
| public void validate(PrivilegeValidatorContext context) throws ConfigurationException { |
| String database = context.getDatabase(); |
| String privilege = context.getPrivilege(); |
| /* |
| * Rule only applies to rules in per database policy file |
| */ |
| if(database != null) { |
| Iterable<DBModelAuthorizable> authorizables = parsePrivilege(privilege); |
| /* |
| * Each permission in a non-global file must have a database |
| * object except for URIs. |
| * |
| * We allow URIs to be specified in the per DB policy file for |
| * ease of mangeability. URIs will contain to remain server scope |
| * objects. |
| */ |
| boolean foundDatabaseInAuthorizables = false; |
| boolean foundURIInAuthorizables = false; |
| boolean allowURIInAuthorizables = false; |
| |
| if ("true".equalsIgnoreCase( |
| System.getProperty(SimpleDBPolicyEngine.ACCESS_ALLOW_URI_PER_DB_POLICYFILE))) { |
| allowURIInAuthorizables = true; |
| } |
| |
| for(DBModelAuthorizable authorizable : authorizables) { |
| if(authorizable instanceof Database) { |
| foundDatabaseInAuthorizables = true; |
| } |
| if (authorizable instanceof AccessURI) { |
| if (foundDatabaseInAuthorizables) { |
| String msg = "URI object is specified at DB scope in " + privilege; |
| throw new ConfigurationException(msg); |
| } |
| foundURIInAuthorizables = true; |
| } |
| } |
| if(!foundDatabaseInAuthorizables && !(foundURIInAuthorizables && allowURIInAuthorizables)) { |
| String msg = "Missing database object in " + privilege; |
| throw new ConfigurationException(msg); |
| } |
| } |
| } |
| } |