[Chrome OS] Infrastucture for doing offline/online login simultaneously

chrome/browser/chromeos/login/online_attempt.cc

+// Copyright (c) 2010 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 "chrome/browser/chromeos/login/online_attempt.h"
+
+#include <string>
+
+#include "base/ref_counted.h"
+#include "base/scoped_ptr.h"
+#include "chrome/browser/chrome_thread.h"
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/login/auth_attempt_state.h"
+#include "chrome/browser/chromeos/login/auth_attempt_state_resolver.h"
+#include "chrome/browser/profile.h"
+#include "chrome/browser/profile_manager.h"
+#include "chrome/common/net/gaia/gaia_authenticator2.h"
+#include "chrome/common/net/gaia/gaia_constants.h"
+#include "chrome/common/net/gaia/gaia_auth_consumer.h"
+#include "net/base/load_flags.h"
+#include "net/base/net_errors.h"
+#include "net/url_request/url_request_status.h"
+#include "third_party/libjingle/source/talk/base/urlencode.h"
+
+namespace chromeos {
+
+// static
+const int OnlineAttempt::kClientLoginTimeoutMs = 10000;
+
+OnlineAttempt::OnlineAttempt(AuthAttemptState* current_attempt,
+                             AuthAttemptStateResolver* callback)
+    : attempt_(current_attempt),
+      resolver_(callback),
+      fetch_canceler_(NULL),
+      try_again_(true) {
+  CHECK(chromeos::CrosLibrary::Get()->EnsureLoaded());
+}
+
+OnlineAttempt::~OnlineAttempt() {}
+
+void OnlineAttempt::Initiate(Profile* profile) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
+  gaia_authenticator_.reset(
+      new GaiaAuthenticator2(this,
+                             GaiaConstants::kChromeOSSource,
+                             profile->GetRequestContext()));
+  TryClientLogin();
+}
+
+void OnlineAttempt::OnClientLoginSuccess(
+    const GaiaAuthConsumer::ClientLoginResult& credentials) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
+  LOG(INFO) << "Online login successful!";
+  if (fetch_canceler_) {
+    fetch_canceler_->Cancel();
+    fetch_canceler_ = NULL;
+  }
+
+  TriggerResolve(credentials, LoginFailure::None());
+}
+
+void OnlineAttempt::OnClientLoginFailure(
+    const GoogleServiceAuthError& error) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
+  if (fetch_canceler_) {
+    fetch_canceler_->Cancel();
+    fetch_canceler_ = NULL;
+  }
+  if (error.state() == GoogleServiceAuthError::REQUEST_CANCELED) {
+    if (try_again_) {
+      try_again_ = false;
+      LOG(ERROR) << "Login attempt canceled!?!?  Trying again.";
+      TryClientLogin();
+      return;
+    }
+    LOG(ERROR) << "Login attempt canceled again?  Already retried...";
+  }
+
+  if (error.state() == GoogleServiceAuthError::TWO_FACTOR) {
+    LOG(WARNING) << "Two factor authenticated. Sync will not work.";
+    TriggerResolve(GaiaAuthConsumer::ClientLoginResult(),
+                   LoginFailure::None());
+
+    return;
+  }
+
+  TriggerResolve(GaiaAuthConsumer::ClientLoginResult(),
+                 LoginFailure::FromNetworkAuthFailure(error));
+}
+
+void OnlineAttempt::TryClientLogin() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
+  fetch_canceler_ = NewRunnableMethod(this, &OnlineAttempt::CancelClientLogin);
+  gaia_authenticator_->StartClientLogin(attempt_->username,
+                                        attempt_->password,
+                                        GaiaConstants::kContactsService,
+                                        attempt_->login_token,
+                                        attempt_->login_captcha);
+  ChromeThread::PostDelayedTask(ChromeThread::IO, FROM_HERE,
+                                fetch_canceler_,
+                                kClientLoginTimeoutMs);
+}
+
+void OnlineAttempt::CancelClientLogin() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
+  if (gaia_authenticator_->HasPendingFetch()) {
+    LOG(WARNING) << "Canceling ClientLogin attempt.";
+    gaia_authenticator_->CancelRequest();
+    fetch_canceler_ = NULL;
+
+    TriggerResolve(GaiaAuthConsumer::ClientLoginResult(),
+                   LoginFailure(LoginFailure::LOGIN_TIMED_OUT));
+  }
+}
+
+void OnlineAttempt::TriggerResolve(
+    const GaiaAuthConsumer::ClientLoginResult& credentials,
+    const LoginFailure& outcome) {
+  attempt_->RecordOnlineLoginStatus(credentials, outcome);
+  gaia_authenticator_.reset(NULL);
+  resolver_->Resolve();
+}
+
+}  // namespace chromeos