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// Copyright (c) 2011 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.
#ifndef CHROME_BROWSER_POLICY_DEVICE_POLICY_IDENTITY_STRATEGY_H_
#define CHROME_BROWSER_POLICY_DEVICE_POLICY_IDENTITY_STRATEGY_H_
#pragma once
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/policy/cloud_policy_identity_strategy.h"
#include "content/common/notification_observer.h"
#include "content/common/notification_registrar.h"
class TokenService;
namespace policy {
// DM token provider that stores the token in CrOS signed settings.
class DevicePolicyIdentityStrategy : public CloudPolicyIdentityStrategy,
public NotificationObserver {
public:
DevicePolicyIdentityStrategy();
virtual ~DevicePolicyIdentityStrategy();
// Called by DevicePolicyIdentityStrategy::OwnershipChecker:
virtual void OnOwnershipInformationAvailable(bool current_user_is_owner);
// CloudPolicyIdentityStrategy implementation:
virtual std::string GetDeviceToken();
virtual std::string GetDeviceID();
virtual std::string GetMachineID();
virtual em::DeviceRegisterRequest_Type GetPolicyRegisterType();
virtual std::string GetPolicyType();
virtual bool GetCredentials(std::string* username,
std::string* auth_token);
virtual void OnDeviceTokenAvailable(const std::string& token);
private:
class OwnershipChecker;
// Recheck whether all parameters are available and if so, trigger a
// credentials changed notification.
void CheckAndTriggerFetch();
// Updates the ownership information and then passes control to
// |CheckAndTriggerFetch|.
void CheckOwnershipAndTriggerFetch();
// NotificationObserver method overrides:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// The machine identifier.
std::string machine_id_;
// The device identifier to be sent with requests. (This is actually more like
// a session identifier since it is re-generated for each registration
// request.)
std::string device_id_;
// Current token. Empty if not available.
std::string device_token_;
// Whether the currently logged in user is the device's owner. This variable
// is owned by the UI thread but updated from the FILE thread. Therefore
// after an owner login it will take some time before it turns to true.
bool current_user_is_owner_;
// Registers the provider for notification of successful Gaia logins.
NotificationRegistrar registrar_;
scoped_refptr<OwnershipChecker> ownership_checker_;
// Allows to construct weak ptrs.
base::WeakPtrFactory<DevicePolicyIdentityStrategy> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(DevicePolicyIdentityStrategy);
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_DEVICE_POLICY_IDENTITY_STRATEGY_H_
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