Abandon user sign in when policy is retrieved before session started

chrome/browser/chromeos/settings/session_manager_operation.cc

 // Copyright (c) 2012 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/settings/session_manager_operation.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "base/task_runner_util.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
 #include "chrome/browser/net/nss_context.h"
 #include "components/ownership/owner_key_util.h"
 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
 #include "components/policy/proto/device_management_backend.pb.h"
 #include "content/public/browser/browser_thread.h"
 #include "crypto/rsa_private_key.h"
 #include "crypto/signature_creator.h"
 
+using RetrievePolicyResponseType =
+    chromeos::SessionManagerClient::RetrievePolicyResponseType;
 using ownership::OwnerKeyUtil;
 using ownership::PublicKey;
 
 namespace em = enterprise_management;
 
 namespace chromeos {
 
 SessionManagerOperation::SessionManagerOperation(const Callback& callback)
     : callback_(callback), weak_factory_(this) {}
 
@@ skipping 95 matching lines @@
   callback.Run();
 }
 
 void SessionManagerOperation::RetrieveDeviceSettings() {
   session_manager_client()->RetrieveDevicePolicy(
       base::Bind(&SessionManagerOperation::ValidateDeviceSettings,
                  weak_factory_.GetWeakPtr()));
 }
 
 void SessionManagerOperation::BlockingRetrieveDeviceSettings() {
-  ValidateDeviceSettings(
-      session_manager_client()->BlockingRetrieveDevicePolicy());
+  std::string policy_blob;
+  RetrievePolicyResponseType response =
+      session_manager_client()->BlockingRetrieveDevicePolicy(&policy_blob);
+  ValidateDeviceSettings(policy_blob, response);
 }
 
 void SessionManagerOperation::ValidateDeviceSettings(
-    const std::string& policy_blob) {
+    const std::string& policy_blob,
+    RetrievePolicyResponseType response_type) {
   std::unique_ptr<em::PolicyFetchResponse> policy(
       new em::PolicyFetchResponse());
   if (policy_blob.empty()) {
     ReportResult(DeviceSettingsService::STORE_NO_POLICY);
     return;
   }
 
-  if (!policy->ParseFromString(policy_blob) ||
-      !policy->IsInitialized()) {
+  if (!policy->ParseFromString(policy_blob) || !policy->IsInitialized()) {
     ReportResult(DeviceSettingsService::STORE_INVALID_POLICY);
     return;
   }
 
   base::SequencedWorkerPool* pool =
       content::BrowserThread::GetBlockingPool();
   scoped_refptr<base::SequencedTaskRunner> background_task_runner =
       pool->GetSequencedTaskRunnerWithShutdownBehavior(
           pool->GetSequenceToken(),
           base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
@@ skipping 96 matching lines @@
 }
 
 void StoreSettingsOperation::HandleStoreResult(bool success) {
   if (!success)
     ReportResult(DeviceSettingsService::STORE_OPERATION_FAILED);
   else
     StartLoading();
 }
 
 }  // namespace chromeos