| /* |
| * 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.solr.util.configuration; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| |
| import com.google.common.collect.ImmutableMap; |
| import org.apache.solr.util.configuration.providers.EnvSSLCredentialProvider; |
| import org.apache.solr.util.configuration.providers.HadoopSSLCredentialProvider; |
| import org.apache.solr.util.configuration.providers.SysPropSSLCredentialProvider; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Class responsible to build SSL credential providers |
| */ |
| public class SSLCredentialProviderFactory { |
| private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| public static final String DEFAULT_PROVIDER_CHAIN = "env;sysprop"; |
| public static final String PROVIDER_CHAIN_KEY = "solr.ssl.credential.provider.chain"; |
| |
| @SuppressWarnings({"rawtypes"}) |
| private final static ImmutableMap<String, Class> defaultProviders = ImmutableMap.of( |
| "env", EnvSSLCredentialProvider.class, |
| "sysprop", SysPropSSLCredentialProvider.class, |
| "hadoop", HadoopSSLCredentialProvider.class |
| ); |
| |
| private String providerChain; |
| |
| public SSLCredentialProviderFactory() { |
| this.providerChain = System.getProperty(PROVIDER_CHAIN_KEY, DEFAULT_PROVIDER_CHAIN); |
| } |
| |
| public SSLCredentialProviderFactory(String providerChain) { |
| this.providerChain = providerChain; |
| } |
| |
| public List<SSLCredentialProvider> getProviders() { |
| ArrayList<SSLCredentialProvider> providers = new ArrayList<>(); |
| if (log.isDebugEnabled()) { |
| log.debug(String.format(Locale.ROOT, "Processing SSL Credential Provider chain: %s", providerChain)); |
| } |
| String classPrefix = "class://"; |
| for (String provider : providerChain.split(";")) { |
| if (defaultProviders.containsKey(provider)) { |
| providers.add(getDefaultProvider(defaultProviders.get(provider))); |
| } else if (provider.startsWith(classPrefix)) { |
| providers.add(getProviderByClassName(provider.substring(classPrefix.length()))); |
| } else { |
| throw new RuntimeException("Unable to parse credential provider: " + provider); |
| } |
| } |
| return providers; |
| } |
| |
| private SSLCredentialProvider getProviderByClassName(String clazzName) { |
| try { |
| return (SSLCredentialProvider) Class.forName(clazzName).getConstructor().newInstance(); |
| } catch (InstantiationException | ClassNotFoundException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) { |
| String msg = String.format(Locale.ROOT, "Could not instantiate %s credential provider", clazzName); |
| log.error(msg); |
| throw new RuntimeException(msg, e); |
| } |
| } |
| |
| @SuppressWarnings({"unchecked"}) |
| private SSLCredentialProvider getDefaultProvider(@SuppressWarnings({"rawtypes"})Class aClass) { |
| try { |
| return (SSLCredentialProvider) aClass.getConstructor().newInstance(); |
| } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) { |
| String msg = String.format(Locale.ROOT, "Could not instantiate %s credential provider", aClass.getName()); |
| log.error(msg); |
| throw new RuntimeException(msg, e); |
| } |
| } |
| |
| } |