| /* |
| * 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.drill.exec.oauth; |
| |
| import com.fasterxml.jackson.databind.InjectableValues; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.apache.drill.common.exceptions.DrillRuntimeException; |
| import org.apache.drill.exec.exception.StoreException; |
| import org.apache.drill.exec.server.DrillbitContext; |
| import org.apache.drill.exec.store.sys.PersistentStore; |
| import org.apache.drill.exec.store.sys.PersistentStoreConfig; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.function.Supplier; |
| |
| /** |
| * Implementation of {@link TokenRegistry} that persists token tables |
| * to the preconfigured persistent store. |
| */ |
| public class PersistentTokenRegistry implements TokenRegistry { |
| private final PersistentStore<PersistentTokenTable> store; |
| |
| public PersistentTokenRegistry(DrillbitContext context, String registryPath) { |
| try { |
| ObjectMapper mapper = context.getLpPersistence().getMapper().copy(); |
| InjectableValues injectables = new InjectableValues.Std() |
| .addValue(StoreProvider.class, new StoreProvider(this::getStore)); |
| |
| mapper.setInjectableValues(injectables); |
| this.store = context |
| .getStoreProvider() |
| .getOrCreateStore(PersistentStoreConfig |
| .newJacksonBuilder(mapper, PersistentTokenTable.class) |
| .name(registryPath) |
| .build()); |
| } catch (StoreException e) { |
| throw new DrillRuntimeException( |
| "Failure while reading and loading token table."); |
| } |
| } |
| |
| public PersistentStore<PersistentTokenTable> getStore() { |
| return store; |
| } |
| |
| @Override |
| public PersistentTokenTable getTokenTable(String name) { |
| name = name.toLowerCase(); |
| if (!store.contains(name)) { |
| createTokenTable(name); |
| } |
| return store.get(name); |
| } |
| |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| public Iterator<Map.Entry<String, Tokens>> getAllTokens() { |
| return (Iterator) store.getAll(); |
| } |
| |
| @Override |
| public void createTokenTable(String pluginName) { |
| // In Drill, Storage plugin names are stored in lower case. These checks make sure |
| // that the tokens are associated with the correct plugin |
| pluginName = pluginName.toLowerCase(); |
| if (!store.contains(pluginName)) { |
| PersistentTokenTable tokenTable = |
| new PersistentTokenTable(new HashMap<>(), pluginName, new StoreProvider(this::getStore)); |
| store.put(pluginName, tokenTable); |
| } |
| } |
| |
| @Override |
| public void deleteTokenTable(String pluginName) { |
| pluginName = pluginName.toLowerCase(); |
| if (store.contains(pluginName)) { |
| store.delete(pluginName); |
| } |
| } |
| |
| @Override |
| public void close() throws Exception { |
| store.close(); |
| } |
| |
| public static class StoreProvider { |
| private final Supplier<PersistentStore<PersistentTokenTable>> supplier; |
| |
| public StoreProvider(Supplier<PersistentStore<PersistentTokenTable>> supplier) { |
| this.supplier = supplier; |
| } |
| |
| public PersistentStore<PersistentTokenTable> getStore() { |
| return supplier.get(); |
| } |
| } |
| } |