Google OAuth Device Flow support for FNL

services/authentication/main.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/application/application_runner_chromium.h"
+#include "mojo/common/binding_set.h"
+#include "mojo/public/c/system/main.h"
+#include "mojo/public/cpp/application/application_connection.h"
+#include "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/public/cpp/application/application_impl.h"
+#include "mojo/public/cpp/application/interface_factory.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+#include "mojo/public/cpp/system/macros.h"
+#include "mojo/services/authentication/interfaces/authentication.mojom.h"
+#include "mojo/services/network/interfaces/network_service.mojom.h"
+#include "services/authentication/google_authentication_impl.h"
+
+namespace authentication {
+
+class GoogleAccountManagerApp
+    : public mojo::ApplicationDelegate,
+      public mojo::InterfaceFactory<AuthenticationService> {
+ public:
+  GoogleAccountManagerApp() {}
+  ~GoogleAccountManagerApp() override {}
+
+  void Initialize(mojo::ApplicationImpl* app) override {
+    app->ConnectToService("mojo:network_service", &network_service_);
+    app->ConnectToService("mojo:files", &files_);
+
+    app_url_ = app->url();
+  }
+
+  bool ConfigureIncomingConnection(
+      mojo::ApplicationConnection* connection) override {
+    connection->AddService<AuthenticationService>(this);
+    return true;
+  }
+
+  void Create(mojo::ApplicationConnection* connection,
+              mojo::InterfaceRequest<AuthenticationService> request) override {
+    mojo::files::Error error = mojo::files::Error::INTERNAL;
+    mojo::files::DirectoryPtr directory;
+    files_->OpenFileSystem("app_persistent_cache", GetProxy(&directory),
+                           [&error](mojo::files::Error e) { error = e; });
+    CHECK(files_.WaitForIncomingResponse());
+    if (mojo::files::Error::OK != error) {
+      LOG(FATAL) << "Unable to initialize accounts DB";
+    }
+    new authentication::GoogleAuthenticationServiceImpl(
+        request.Pass(), app_url_, network_service_, directory);
+  }
+
+ private:
+  mojo::NetworkServicePtr network_service_;
+  mojo::files::FilesPtr files_;
+  std::string app_url_;
+
+  DISALLOW_COPY_AND_ASSIGN(GoogleAccountManagerApp);
+};
+
+}  // namespace authentication
+
+MojoResult MojoMain(MojoHandle application_request) {
+  mojo::ApplicationRunnerChromium runner(
+      new authentication::GoogleAccountManagerApp());
+  return runner.Run(application_request);
+}