mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

java/google/registry/rde/JSchModule.java

@@ -0,0 +1,61 @@
+// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
+//
+// 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.google.domain.registry.rde;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+import com.google.appengine.api.ThreadManager;
+import com.google.domain.registry.keyring.api.KeyModule.Key;
+
+import com.jcraft.jsch.JSch;
+import com.jcraft.jsch.JSchException;
+
+import dagger.Module;
+import dagger.Provides;
+
+/** Dagger module for {@link JSch} which provides SSH/SFTP connectivity. */
+@Module
+public final class JSchModule {
+
+  @Provides
+  static JSch provideJSch(
+      @Key("rdeSshClientPrivateKey") String privateKey,
+      @Key("rdeSshClientPublicKey") String publicKey) {
+    applyAppEngineKludge();
+    JSch jsch = new JSch();
+    try {
+      jsch.addIdentity(
+          "rde@charlestonroadregistry.com",
+          privateKey.getBytes(UTF_8),
+          publicKey.getBytes(UTF_8),
+          null);
+    } catch (JSchException e) {
+      throw new RuntimeException(e);
+    }
+    // TODO(b/13028224): Implement known hosts checking.
+    JSch.setConfig("StrictHostKeyChecking", "no");
+    return jsch;
+  }
+
+  /**
+   * Overrides the threadFactory used in JSch and disable {@link Thread#setName(String)} in order to
+   * ensure GAE compatibility. By default it uses the default executor, which fails under GAE. This
+   * is currently a Google-specific patch that needs to be sent upstream.
+   */
+  private static void applyAppEngineKludge() {
+    JSch.threadFactory = ThreadManager.currentRequestThreadFactory();
+    JSch.useThreadNames = false;
+  }
+}