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// Copyright 2014 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 CHROMEOS_NETWORK_AUTO_CONNECT_HANDLER_H_
#define CHROMEOS_NETWORK_AUTO_CONNECT_HANDLER_H_
#include <string>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/login/login_state.h"
#include "chromeos/network/client_cert_resolver.h"
#include "chromeos/network/network_connection_observer.h"
#include "chromeos/network/network_handler.h"
#include "chromeos/network/network_policy_observer.h"
#include "chromeos/network/network_state_handler_observer.h"
namespace chromeos {
class CHROMEOS_EXPORT AutoConnectHandler : public LoginState::Observer,
public NetworkPolicyObserver,
public NetworkConnectionObserver,
public NetworkStateHandlerObserver,
public ClientCertResolver::Observer {
public:
~AutoConnectHandler() override;
// LoginState::Observer
void LoggedInStateChanged() override;
// NetworkConnectionObserver
void ConnectToNetworkRequested(const std::string& service_path) override;
// NetworkPolicyObserver
void PoliciesChanged(const std::string& userhash) override;
void PoliciesApplied(const std::string& userhash) override;
// NetworkStateHandlerObserver
void ScanCompleted(const DeviceState* device) override;
// ClientCertResolver::Observer
void ResolveRequestCompleted(bool network_properties_changed) override;
private:
friend class NetworkHandler;
friend class AutoConnectHandlerTest;
AutoConnectHandler();
void Init(ClientCertResolver* client_cert_resolver,
NetworkConnectionHandler* network_connection_handler,
NetworkStateHandler* network_state_handler,
ManagedNetworkConfigurationHandler*
managed_network_configuration_handler);
// If the user logged in already and the policy to prevent unmanaged & shared
// networks to autoconnect is enabled, then disconnects all such networks
// except wired networks. It will do this only once after the user logged in
// and the device policy was available.
// This is enforced once after a user logs in 1) to allow mananged networks to
// autoconnect and 2) to prevent a previous user from foisting a network on
// the new user. Therefore, this function is called at login and when the
// device policy is changed.
void DisconnectIfPolicyRequires();
// Disconnects from all unmanaged and shared WiFi networks that are currently
// connected or connecting.
void DisconnectFromUnmanagedSharedWiFiNetworks();
// Requests and if possible connects to the 'best' available network, see
// CheckBestConnection().
void RequestBestConnection();
// If a request to connect to the best network is pending and all requirements
// are fulfilled (like policy loaded, certificate patterns being resolved),
// then this will call ConnectToBestWifiNetwork of |network_state_handler_|.
void CheckBestConnection();
// Calls Shill.Manager.ConnectToBestServices().
void CallShillConnectToBestServices() const;
// Local references to the associated handler instances.
ClientCertResolver* client_cert_resolver_;
NetworkConnectionHandler* network_connection_handler_;
NetworkStateHandler* network_state_handler_;
ManagedNetworkConfigurationHandler* managed_configuration_handler_;
// Whether a request to connect to the best network is pending. If true, once
// all requirements are met (like policy loaded, certificate patterns being
// resolved), a scan will be requested and ConnectToBestServices will be
// triggered once it completes.
bool request_best_connection_pending_;
// Whether the device policy, which might be empty, is already applied.
bool device_policy_applied_;
// Whether the user policy of the first user who logged in is already applied.
// The policy might be empty.
bool user_policy_applied_;
// Whether at least once client certificate patterns were checked and if any
// existed resolved. Even if there are no certificate patterns, this will be
// eventually true.
bool client_certs_resolved_;
// Whether the autoconnect policy was applied already, see
// DisconnectIfPolicyRequires().
bool applied_autoconnect_policy_;
// When true, trigger ConnectToBestServices after the next scan completion.
bool connect_to_best_services_after_scan_;
base::WeakPtrFactory<AutoConnectHandler> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(AutoConnectHandler);
};
} // namespace chromeos
#endif // CHROMEOS_NETWORK_AUTO_CONNECT_HANDLER_H_
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