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/request/Modules.java

@@ -0,0 +1,202 @@
+// 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.request;
+
+import static com.google.appengine.api.datastore.DatastoreServiceFactory.getDatastoreService;
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+import com.google.api.client.extensions.appengine.http.UrlFetchTransport;
+import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
+import com.google.api.client.googleapis.extensions.appengine.auth.oauth2.AppIdentityCredential;
+import com.google.api.client.http.HttpRequestInitializer;
+import com.google.api.client.http.HttpTransport;
+import com.google.api.client.json.JsonFactory;
+import com.google.api.client.json.jackson2.JacksonFactory;
+import com.google.appengine.api.datastore.DatastoreService;
+import com.google.appengine.api.modules.ModulesService;
+import com.google.appengine.api.modules.ModulesServiceFactory;
+import com.google.appengine.api.urlfetch.URLFetchService;
+import com.google.appengine.api.urlfetch.URLFetchServiceFactory;
+import com.google.appengine.api.users.UserService;
+import com.google.appengine.api.users.UserServiceFactory;
+import com.google.domain.registry.config.ConfigModule.Config;
+import com.google.domain.registry.keyring.api.KeyModule.Key;
+
+import dagger.Module;
+import dagger.Provides;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.Set;
+
+import javax.inject.Named;
+import javax.inject.Singleton;
+
+/** Dagger modules for App Engine services and other vendor classes. */
+public final class Modules {
+
+  /** Dagger module for {@link DatastoreService}. */
+  @Module
+  public static final class DatastoreServiceModule {
+    private static final DatastoreService datastoreService = getDatastoreService();
+
+    @Provides
+    static DatastoreService provideDatastoreService() {
+      return datastoreService;
+    }
+  }
+
+  /** Dagger module for {@link ModulesService}. */
+  @Module
+  public static final class ModulesServiceModule {
+    private static final ModulesService modulesService = ModulesServiceFactory.getModulesService();
+
+    @Provides
+    static ModulesService provideModulesService() {
+      return modulesService;
+    }
+  }
+
+  /** Dagger module for {@link URLFetchService}. */
+  @Module
+  public static final class URLFetchServiceModule {
+    private static final URLFetchService fetchService = URLFetchServiceFactory.getURLFetchService();
+
+    @Provides
+    static URLFetchService provideURLFetchService() {
+      return fetchService;
+    }
+  }
+
+  /** Dagger module for {@link UserService}. */
+  @Module
+  public static final class UserServiceModule {
+    private static final UserService userService = UserServiceFactory.getUserService();
+
+    @Provides
+    static UserService provideUserService() {
+      return userService;
+    }
+  }
+
+  /**
+   * Dagger module that causes the Jackson2 JSON parser to be used for Google APIs requests.
+   *
+   * <p>Jackson1 and GSON can also satisfy the {@link JsonFactory} interface, but we've decided to
+   * go with Jackson2, since it's what's used in the public examples for using Google APIs.
+   */
+  @Module
+  public static final class Jackson2Module {
+    @Provides
+    static JsonFactory provideJsonFactory() {
+      return JacksonFactory.getDefaultInstance();
+    }
+  }
+
+  /** Dagger module that causes the App Engine's URL fetcher to be used for Google APIs requests. */
+  @Module
+  public static final class UrlFetchTransportModule {
+    private static final UrlFetchTransport HTTP_TRANSPORT = new UrlFetchTransport();
+
+    @Provides
+    static HttpTransport provideHttpTransport() {
+      return HTTP_TRANSPORT;
+    }
+  }
+
+  /**
+   * Dagger module providing {@link AppIdentityCredential}.
+   *
+   * <p>This can be used to authenticate to Google APIs using the identity of your GAE app.
+   *
+   * @see UseAppIdentityCredentialForGoogleApisModule
+   */
+  @Module
+  public static final class AppIdentityCredentialModule {
+    @Provides
+    static AppIdentityCredential provideAppIdentityCredential(@OAuthScopes Set<String> scopes) {
+      return new AppIdentityCredential(scopes);
+    }
+  }
+
+  /**
+   * Dagger module causing Google APIs requests to be authorized with your GAE app identity.
+   *
+   * <p>You must also use the {@link AppIdentityCredential} module.
+   */
+  @Module
+  public static final class UseAppIdentityCredentialForGoogleApisModule {
+    @Provides
+    static HttpRequestInitializer provideHttpRequestInitializer(AppIdentityCredential credential) {
+      return credential;
+    }
+  }
+
+  /**
+   * Dagger module providing {@link GoogleCredential} from a JSON key file contents.
+   *
+   * <p>This satisfies the {@link HttpRequestInitializer} interface for authenticating Google APIs
+   * requests, just like {@link AppIdentityCredential}.
+   *
+   * <p>But we consider GAE authentication more desirable and easier to manage operations-wise. So
+   * this authentication method should only be used for the following situations:
+   *
+   * <ol>
+   * <li>Locally-running programs (which aren't executing on the App Engine platform)
+   * <li>Spreadsheet service (which can't use {@link AppIdentityCredential} due to an old library)
+   * </ol>
+   *
+   * @see com.google.domain.registry.keyring.api.Keyring#getJsonCredential()
+   */
+  @Module
+  public static final class GoogleCredentialModule {
+
+    @Provides
+    static GoogleCredential provideGoogleCredential(
+        HttpTransport httpTransport,
+        JsonFactory jsonFactory,
+        @Key("jsonCredential") String jsonCredential) {
+      try {
+        return GoogleCredential.fromStream(
+            new ByteArrayInputStream(jsonCredential.getBytes(UTF_8)), httpTransport, jsonFactory);
+      } catch (IOException e) {
+        throw new RuntimeException(e);
+      }
+    }
+
+    /**
+     * Provides a GoogleCredential that will connect to GAE using delegated admin access.  This is
+     * needed for API calls requiring domain admin access to the relevant GAFYD using delegated
+     * scopes, e.g. the Directory API and the Groupssettings API.
+     */
+    @Provides
+    @Singleton
+    @Named("delegatedAdmin")
+    static GoogleCredential provideDelegatedAdminGoogleCredential(
+        GoogleCredential googleCredential,
+        HttpTransport httpTransport,
+        @DelegatedOAuthScopes Set<String> scopes,
+        @Config("googleAppsAdminEmailAddress") String googleAppsAdminEmailAddress) {
+      return new GoogleCredential.Builder()
+          .setTransport(httpTransport)
+          .setJsonFactory(googleCredential.getJsonFactory())
+          .setServiceAccountId(googleCredential.getServiceAccountId())
+          .setServiceAccountPrivateKey(googleCredential.getServiceAccountPrivateKey())
+          .setServiceAccountScopes(scopes)
+          .setServiceAccountUser(googleAppsAdminEmailAddress)
+          .build();
+    }
+  }
+}