| /* |
| * 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.sshd.client.config.keys; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.OpenOption; |
| import java.nio.file.Path; |
| import java.nio.file.StandardOpenOption; |
| import java.security.GeneralSecurityException; |
| import java.security.KeyPair; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.EnumMap; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| import org.apache.sshd.common.NamedResource; |
| import org.apache.sshd.common.config.keys.BuiltinIdentities; |
| import org.apache.sshd.common.config.keys.FilePasswordProvider; |
| import org.apache.sshd.common.config.keys.KeyUtils; |
| import org.apache.sshd.common.keyprovider.KeyIdentityProvider; |
| import org.apache.sshd.common.keyprovider.KeyPairProvider; |
| import org.apache.sshd.common.session.SessionContext; |
| import org.apache.sshd.common.util.GenericUtils; |
| import org.apache.sshd.common.util.ValidateUtils; |
| import org.apache.sshd.common.util.io.IoUtils; |
| import org.apache.sshd.util.test.CommonTestSupportUtils; |
| import org.apache.sshd.util.test.JUnitTestSupport; |
| import org.apache.sshd.util.test.NoIoTestCase; |
| import org.junit.FixMethodOrder; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.runners.MethodSorters; |
| |
| /** |
| * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> |
| */ |
| @FixMethodOrder(MethodSorters.NAME_ASCENDING) |
| @Category({ NoIoTestCase.class }) |
| public class BuiltinClientIdentitiesWatcherTest extends JUnitTestSupport { |
| public BuiltinClientIdentitiesWatcherTest() { |
| super(); |
| } |
| |
| @Test |
| public void testMultipleFilesWatch() throws Exception { |
| KeyPair identity = CommonTestSupportUtils.getFirstKeyPair(createTestHostKeyProvider()); |
| String keyType |
| = ValidateUtils.checkNotNullAndNotEmpty(KeyUtils.getKeyType(identity), "Cannot determine identity key type"); |
| |
| Path dir = assertHierarchyTargetFolderExists(getTempTargetRelativeFile(getClass().getSimpleName())); |
| Map<BuiltinIdentities, Path> locationsMap = new EnumMap<>(BuiltinIdentities.class); |
| Map<BuiltinIdentities, KeyPair> idsMap = new EnumMap<>(BuiltinIdentities.class); |
| for (BuiltinIdentities id : BuiltinIdentities.VALUES) { |
| Path idFile = dir.resolve(ClientIdentity.getIdentityFileName(id)); |
| Files.deleteIfExists(idFile); |
| assertNull("Multiple file mappings for " + id, locationsMap.put(id, idFile)); |
| assertNull("Multiple identity mappings for " + id, idsMap.put(id, KeyUtils.cloneKeyPair(keyType, identity))); |
| } |
| |
| ClientIdentityLoader loader = new ClientIdentityLoader() { |
| @Override |
| public Iterable<KeyPair> loadClientIdentities( |
| SessionContext session, NamedResource location, FilePasswordProvider provider) |
| throws IOException, GeneralSecurityException { |
| BuiltinIdentities id = findIdentity(location); |
| assertNotNull("Invalid location: " + location, id); |
| KeyPair kp = idsMap.get(id); |
| return (kp == null) ? null : Collections.singletonList(kp); |
| } |
| |
| @Override |
| public boolean isValidLocation(NamedResource location) throws IOException { |
| return findIdentity(location) != null; |
| } |
| |
| private BuiltinIdentities findIdentity(NamedResource location) { |
| String idPath = (location == null) ? null : location.getName(); |
| if (GenericUtils.isEmpty(idPath)) { |
| return null; |
| } |
| |
| for (Map.Entry<BuiltinIdentities, Path> le : locationsMap.entrySet()) { |
| Path path = le.getValue(); |
| if (String.CASE_INSENSITIVE_ORDER.compare(idPath, path.toString()) == 0) { |
| return le.getKey(); |
| } |
| } |
| |
| return null; |
| } |
| }; |
| |
| Map<BuiltinIdentities, KeyPair> existing = new EnumMap<>(BuiltinIdentities.class); |
| KeyPairProvider watcher = new BuiltinClientIdentitiesWatcher(dir, false, loader, FilePasswordProvider.EMPTY, false); |
| testMultipleFilesWatch("No files", watcher, existing.values()); |
| |
| for (BuiltinIdentities id : BuiltinIdentities.VALUES) { |
| String phase = id + " + " + Objects.toString(existing.keySet()); |
| touchIdentityFile(locationsMap.get(id)); |
| existing.put(id, idsMap.get(id)); |
| |
| for (int index = 0; index < Byte.SIZE; index++) { |
| testMultipleFilesWatch(phase + "[" + index + "]", watcher, existing.values()); |
| } |
| } |
| |
| testMultipleFilesWatch("All files", watcher, existing.values()); |
| |
| for (BuiltinIdentities id : BuiltinIdentities.VALUES) { |
| existing.remove(id); |
| Files.deleteIfExists(locationsMap.get(id)); |
| String phase = Objects.toString(existing.keySet()) + " - " + id; |
| |
| for (int index = 0; index < Byte.SIZE; index++) { |
| testMultipleFilesWatch(phase + "[" + index + "]", watcher, existing.values()); |
| } |
| } |
| } |
| |
| private static void touchIdentityFile(Path idFile) throws IOException { |
| OpenOption[] options = IoUtils.EMPTY_OPEN_OPTIONS; |
| if (Files.exists(idFile, IoUtils.EMPTY_LINK_OPTIONS)) { |
| options = new OpenOption[] { StandardOpenOption.WRITE, StandardOpenOption.APPEND }; |
| } |
| |
| try (OutputStream out = Files.newOutputStream(idFile, options)) { |
| out.write(new Date(System.currentTimeMillis()).toString().getBytes(StandardCharsets.UTF_8)); |
| out.write('\n'); |
| } |
| } |
| |
| private static void testMultipleFilesWatch( |
| String phase, KeyIdentityProvider watcher, Collection<KeyPair> expected) |
| throws IOException, GeneralSecurityException { |
| Iterable<KeyPair> keys = watcher.loadKeys(null); |
| Collection<KeyPair> actual = new ArrayList<>(); |
| for (KeyPair kp : keys) { |
| actual.add(kp); |
| } |
| assertEquals(phase + ": mismatched sizes", GenericUtils.size(expected), GenericUtils.size(actual)); |
| |
| if (!GenericUtils.isEmpty(expected)) { |
| for (KeyPair kp : expected) { |
| assertTrue(phase + ": missing key", actual.contains(kp)); |
| } |
| } |
| } |
| } |