blob: b3ddad7b872d8944e1fb7c94a93d17a64246be9c [file] [log] [blame]
// 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 "chromeos/dbus/session_manager_client.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/location.h"
#include "base/path_service.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/task_runner_util.h"
#include "base/threading/worker_pool.h"
#include "chromeos/chromeos_paths.h"
#include "chromeos/dbus/blocking_method_caller.h"
#include "chromeos/dbus/cryptohome_client.h"
#include "crypto/sha2.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_path.h"
#include "dbus/object_proxy.h"
#include "policy/proto/device_management_backend.pb.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
namespace {
// Returns a location for |file| that is specific to the given |username|.
// These paths will be relative to DIR_USER_POLICY_KEYS, and can be used only
// to store stub files.
base::FilePath GetUserFilePath(const std::string& username, const char* file) {
base::FilePath keys_path;
if (!PathService::Get(chromeos::DIR_USER_POLICY_KEYS, &keys_path))
return base::FilePath();
const std::string sanitized =
CryptohomeClient::GetStubSanitizedUsername(username);
return keys_path.AppendASCII(sanitized).AppendASCII(file);
}
// Helper to asynchronously retrieve a file's content.
std::string GetFileContent(const base::FilePath& path) {
std::string result;
if (!path.empty())
base::ReadFileToString(path, &result);
return result;
}
// Helper to write a file in a background thread.
void StoreFile(const base::FilePath& path, const std::string& data) {
const int size = static_cast<int>(data.size());
if (path.empty() ||
!base::CreateDirectory(path.DirName()) ||
base::WriteFile(path, data.data(), size) != size) {
LOG(WARNING) << "Failed to write to " << path.value();
}
}
} // namespace
// The SessionManagerClient implementation used in production.
class SessionManagerClientImpl : public SessionManagerClient {
public:
SessionManagerClientImpl()
: session_manager_proxy_(NULL),
weak_ptr_factory_(this) {}
virtual ~SessionManagerClientImpl() {
}
// SessionManagerClient overrides:
virtual void SetStubDelegate(StubDelegate* delegate) OVERRIDE {
// Do nothing; this isn't a stub implementation.
}
virtual void AddObserver(Observer* observer) OVERRIDE {
observers_.AddObserver(observer);
}
virtual void RemoveObserver(Observer* observer) OVERRIDE {
observers_.RemoveObserver(observer);
}
virtual bool HasObserver(Observer* observer) OVERRIDE {
return observers_.HasObserver(observer);
}
virtual void EmitLoginPromptVisible() OVERRIDE {
SimpleMethodCallToSessionManager(
login_manager::kSessionManagerEmitLoginPromptVisible);
FOR_EACH_OBSERVER(Observer, observers_, EmitLoginPromptVisibleCalled());
}
virtual void RestartJob(int pid, const std::string& command_line) OVERRIDE {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
login_manager::kSessionManagerRestartJob);
dbus::MessageWriter writer(&method_call);
writer.AppendInt32(pid);
writer.AppendString(command_line);
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&SessionManagerClientImpl::OnRestartJob,
weak_ptr_factory_.GetWeakPtr()));
}
virtual void StartSession(const std::string& user_email) OVERRIDE {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
login_manager::kSessionManagerStartSession);
dbus::MessageWriter writer(&method_call);
writer.AppendString(user_email);
writer.AppendString(""); // Unique ID is deprecated
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&SessionManagerClientImpl::OnStartSession,
weak_ptr_factory_.GetWeakPtr()));
}
virtual void StopSession() OVERRIDE {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
login_manager::kSessionManagerStopSession);
dbus::MessageWriter writer(&method_call);
writer.AppendString(""); // Unique ID is deprecated
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&SessionManagerClientImpl::OnStopSession,
weak_ptr_factory_.GetWeakPtr()));
}
virtual void StartDeviceWipe() OVERRIDE {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
login_manager::kSessionManagerStartDeviceWipe);
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&SessionManagerClientImpl::OnDeviceWipe,
weak_ptr_factory_.GetWeakPtr()));
}
virtual void RequestLockScreen() OVERRIDE {
SimpleMethodCallToSessionManager(login_manager::kSessionManagerLockScreen);
}
virtual void NotifyLockScreenShown() OVERRIDE {
SimpleMethodCallToSessionManager(
login_manager::kSessionManagerHandleLockScreenShown);
}
virtual void NotifyLockScreenDismissed() OVERRIDE {
SimpleMethodCallToSessionManager(
login_manager::kSessionManagerHandleLockScreenDismissed);
}
virtual void RetrieveActiveSessions(
const ActiveSessionsCallback& callback) OVERRIDE {
dbus::MethodCall method_call(
login_manager::kSessionManagerInterface,
login_manager::kSessionManagerRetrieveActiveSessions);
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&SessionManagerClientImpl::OnRetrieveActiveSessions,
weak_ptr_factory_.GetWeakPtr(),
login_manager::kSessionManagerRetrieveActiveSessions,
callback));
}
virtual void RetrieveDevicePolicy(
const RetrievePolicyCallback& callback) OVERRIDE {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
login_manager::kSessionManagerRetrievePolicy);
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&SessionManagerClientImpl::OnRetrievePolicy,
weak_ptr_factory_.GetWeakPtr(),
login_manager::kSessionManagerRetrievePolicy,
callback));
}
virtual void RetrievePolicyForUser(
const std::string& username,
const RetrievePolicyCallback& callback) OVERRIDE {
CallRetrievePolicyByUsername(
login_manager::kSessionManagerRetrievePolicyForUser,
username,
callback);
}
virtual std::string BlockingRetrievePolicyForUser(
const std::string& username) OVERRIDE {
dbus::MethodCall method_call(
login_manager::kSessionManagerInterface,
login_manager::kSessionManagerRetrievePolicyForUser);
dbus::MessageWriter writer(&method_call);
writer.AppendString(username);
scoped_ptr<dbus::Response> response =
blocking_method_caller_->CallMethodAndBlock(&method_call);
std::string policy;
ExtractString(login_manager::kSessionManagerRetrievePolicyForUser,
response.get(),
&policy);
return policy;
}
virtual void RetrieveDeviceLocalAccountPolicy(
const std::string& account_name,
const RetrievePolicyCallback& callback) OVERRIDE {
CallRetrievePolicyByUsername(
login_manager::kSessionManagerRetrieveDeviceLocalAccountPolicy,
account_name,
callback);
}
virtual void StoreDevicePolicy(const std::string& policy_blob,
const StorePolicyCallback& callback) OVERRIDE {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
login_manager::kSessionManagerStorePolicy);
dbus::MessageWriter writer(&method_call);
// static_cast does not work due to signedness.
writer.AppendArrayOfBytes(
reinterpret_cast<const uint8*>(policy_blob.data()), policy_blob.size());
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&SessionManagerClientImpl::OnStorePolicy,
weak_ptr_factory_.GetWeakPtr(),
login_manager::kSessionManagerStorePolicy,
callback));
}
virtual void StorePolicyForUser(
const std::string& username,
const std::string& policy_blob,
const StorePolicyCallback& callback) OVERRIDE {
CallStorePolicyByUsername(login_manager::kSessionManagerStorePolicyForUser,
username,
policy_blob,
callback);
}
virtual void StoreDeviceLocalAccountPolicy(
const std::string& account_name,
const std::string& policy_blob,
const StorePolicyCallback& callback) OVERRIDE {
CallStorePolicyByUsername(
login_manager::kSessionManagerStoreDeviceLocalAccountPolicy,
account_name,
policy_blob,
callback);
}
virtual void SetFlagsForUser(const std::string& username,
const std::vector<std::string>& flags) OVERRIDE {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
login_manager::kSessionManagerSetFlagsForUser);
dbus::MessageWriter writer(&method_call);
writer.AppendString(username);
writer.AppendArrayOfStrings(flags);
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
dbus::ObjectProxy::EmptyResponseCallback());
}
virtual void GetServerBackedStateKeys(const StateKeysCallback& callback)
OVERRIDE {
dbus::MethodCall method_call(
login_manager::kSessionManagerInterface,
login_manager::kSessionManagerGetServerBackedStateKeys);
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(&SessionManagerClientImpl::OnGetServerBackedStateKeys,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
protected:
virtual void Init(dbus::Bus* bus) OVERRIDE {
session_manager_proxy_ = bus->GetObjectProxy(
login_manager::kSessionManagerServiceName,
dbus::ObjectPath(login_manager::kSessionManagerServicePath));
blocking_method_caller_.reset(
new BlockingMethodCaller(bus, session_manager_proxy_));
// Signals emitted on the session manager's interface.
session_manager_proxy_->ConnectToSignal(
login_manager::kSessionManagerInterface,
login_manager::kOwnerKeySetSignal,
base::Bind(&SessionManagerClientImpl::OwnerKeySetReceived,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&SessionManagerClientImpl::SignalConnected,
weak_ptr_factory_.GetWeakPtr()));
session_manager_proxy_->ConnectToSignal(
login_manager::kSessionManagerInterface,
login_manager::kPropertyChangeCompleteSignal,
base::Bind(&SessionManagerClientImpl::PropertyChangeCompleteReceived,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&SessionManagerClientImpl::SignalConnected,
weak_ptr_factory_.GetWeakPtr()));
session_manager_proxy_->ConnectToSignal(
login_manager::kSessionManagerInterface,
login_manager::kScreenIsLockedSignal,
base::Bind(&SessionManagerClientImpl::ScreenIsLockedReceived,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&SessionManagerClientImpl::SignalConnected,
weak_ptr_factory_.GetWeakPtr()));
session_manager_proxy_->ConnectToSignal(
login_manager::kSessionManagerInterface,
login_manager::kScreenIsUnlockedSignal,
base::Bind(&SessionManagerClientImpl::ScreenIsUnlockedReceived,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&SessionManagerClientImpl::SignalConnected,
weak_ptr_factory_.GetWeakPtr()));
}
private:
// Makes a method call to the session manager with no arguments and no
// response.
void SimpleMethodCallToSessionManager(const std::string& method_name) {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
method_name);
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
dbus::ObjectProxy::EmptyResponseCallback());
}
// Helper for RetrieveDeviceLocalAccountPolicy and RetrievePolicyForUser.
void CallRetrievePolicyByUsername(const std::string& method_name,
const std::string& username,
const RetrievePolicyCallback& callback) {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
method_name);
dbus::MessageWriter writer(&method_call);
writer.AppendString(username);
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(
&SessionManagerClientImpl::OnRetrievePolicy,
weak_ptr_factory_.GetWeakPtr(),
method_name,
callback));
}
void CallStorePolicyByUsername(const std::string& method_name,
const std::string& username,
const std::string& policy_blob,
const StorePolicyCallback& callback) {
dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
method_name);
dbus::MessageWriter writer(&method_call);
writer.AppendString(username);
// static_cast does not work due to signedness.
writer.AppendArrayOfBytes(
reinterpret_cast<const uint8*>(policy_blob.data()), policy_blob.size());
session_manager_proxy_->CallMethod(
&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::Bind(
&SessionManagerClientImpl::OnStorePolicy,
weak_ptr_factory_.GetWeakPtr(),
method_name,
callback));
}
// Called when kSessionManagerRestartJob method is complete.
void OnRestartJob(dbus::Response* response) {
LOG_IF(ERROR, !response)
<< "Failed to call "
<< login_manager::kSessionManagerRestartJob;
}
// Called when kSessionManagerStartSession method is complete.
void OnStartSession(dbus::Response* response) {
LOG_IF(ERROR, !response)
<< "Failed to call "
<< login_manager::kSessionManagerStartSession;
}
// Called when kSessionManagerStopSession method is complete.
void OnStopSession(dbus::Response* response) {
LOG_IF(ERROR, !response)
<< "Failed to call "
<< login_manager::kSessionManagerStopSession;
}
// Called when kSessionManagerStopSession method is complete.
void OnDeviceWipe(dbus::Response* response) {
LOG_IF(ERROR, !response)
<< "Failed to call "
<< login_manager::kSessionManagerStartDeviceWipe;
}
// Called when kSessionManagerRetrieveActiveSessions method is complete.
void OnRetrieveActiveSessions(const std::string& method_name,
const ActiveSessionsCallback& callback,
dbus::Response* response) {
ActiveSessionsMap sessions;
bool success = false;
if (!response) {
LOG(ERROR) << "Failed to call " << method_name;
callback.Run(sessions, success);
return;
}
dbus::MessageReader reader(response);
dbus::MessageReader array_reader(NULL);
if (!reader.PopArray(&array_reader)) {
LOG(ERROR) << method_name << " response is incorrect: "
<< response->ToString();
} else {
while (array_reader.HasMoreData()) {
dbus::MessageReader dict_entry_reader(NULL);
std::string key;
std::string value;
if (!array_reader.PopDictEntry(&dict_entry_reader) ||
!dict_entry_reader.PopString(&key) ||
!dict_entry_reader.PopString(&value)) {
LOG(ERROR) << method_name << " response is incorrect: "
<< response->ToString();
} else {
sessions[key] = value;
}
}
success = true;
}
callback.Run(sessions, success);
}
void ExtractString(const std::string& method_name,
dbus::Response* response,
std::string* extracted) {
if (!response) {
LOG(ERROR) << "Failed to call " << method_name;
return;
}
dbus::MessageReader reader(response);
const uint8* values = NULL;
size_t length = 0;
if (!reader.PopArrayOfBytes(&values, &length)) {
LOG(ERROR) << "Invalid response: " << response->ToString();
return;
}
// static_cast does not work due to signedness.
extracted->assign(reinterpret_cast<const char*>(values), length);
}
// Called when kSessionManagerRetrievePolicy or
// kSessionManagerRetrievePolicyForUser method is complete.
void OnRetrievePolicy(const std::string& method_name,
const RetrievePolicyCallback& callback,
dbus::Response* response) {
std::string serialized_proto;
ExtractString(method_name, response, &serialized_proto);
callback.Run(serialized_proto);
}
// Called when kSessionManagerStorePolicy or kSessionManagerStorePolicyForUser
// method is complete.
void OnStorePolicy(const std::string& method_name,
const StorePolicyCallback& callback,
dbus::Response* response) {
bool success = false;
if (!response) {
LOG(ERROR) << "Failed to call " << method_name;
} else {
dbus::MessageReader reader(response);
if (!reader.PopBool(&success))
LOG(ERROR) << "Invalid response: " << response->ToString();
}
callback.Run(success);
}
// Called when the owner key set signal is received.
void OwnerKeySetReceived(dbus::Signal* signal) {
dbus::MessageReader reader(signal);
std::string result_string;
if (!reader.PopString(&result_string)) {
LOG(ERROR) << "Invalid signal: " << signal->ToString();
return;
}
const bool success = StartsWithASCII(result_string, "success", false);
FOR_EACH_OBSERVER(Observer, observers_, OwnerKeySet(success));
}
// Called when the property change complete signal is received.
void PropertyChangeCompleteReceived(dbus::Signal* signal) {
dbus::MessageReader reader(signal);
std::string result_string;
if (!reader.PopString(&result_string)) {
LOG(ERROR) << "Invalid signal: " << signal->ToString();
return;
}
const bool success = StartsWithASCII(result_string, "success", false);
FOR_EACH_OBSERVER(Observer, observers_, PropertyChangeComplete(success));
}
void ScreenIsLockedReceived(dbus::Signal* signal) {
FOR_EACH_OBSERVER(Observer, observers_, ScreenIsLocked());
}
void ScreenIsUnlockedReceived(dbus::Signal* signal) {
FOR_EACH_OBSERVER(Observer, observers_, ScreenIsUnlocked());
}
// Called when the object is connected to the signal.
void SignalConnected(const std::string& interface_name,
const std::string& signal_name,
bool success) {
LOG_IF(ERROR, !success) << "Failed to connect to " << signal_name;
}
// Called when kSessionManagerGetServerBackedStateKeys method is complete.
void OnGetServerBackedStateKeys(const StateKeysCallback& callback,
dbus::Response* response) {
std::vector<std::string> state_keys;
if (!response) {
LOG(ERROR) << "Failed to call "
<< login_manager::kSessionManagerStartSession;
} else {
dbus::MessageReader reader(response);
dbus::MessageReader array_reader(NULL);
if (!reader.PopArray(&array_reader)) {
LOG(ERROR) << "Bad response: " << response->ToString();
} else {
while (array_reader.HasMoreData()) {
const uint8* data = NULL;
size_t size = 0;
if (!array_reader.PopArrayOfBytes(&data, &size)) {
LOG(ERROR) << "Bad response: " << response->ToString();
state_keys.clear();
break;
}
state_keys.push_back(
std::string(reinterpret_cast<const char*>(data), size));
}
}
}
if (!callback.is_null())
callback.Run(state_keys);
}
dbus::ObjectProxy* session_manager_proxy_;
scoped_ptr<BlockingMethodCaller> blocking_method_caller_;
ObserverList<Observer> observers_;
// Note: This should remain the last member so it'll be destroyed and
// invalidate its weak pointers before any other members are destroyed.
base::WeakPtrFactory<SessionManagerClientImpl> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(SessionManagerClientImpl);
};
// The SessionManagerClient implementation used on Linux desktop,
// which does nothing.
class SessionManagerClientStubImpl : public SessionManagerClient {
public:
SessionManagerClientStubImpl() : delegate_(NULL) {}
virtual ~SessionManagerClientStubImpl() {}
// SessionManagerClient overrides
virtual void Init(dbus::Bus* bus) OVERRIDE {}
virtual void SetStubDelegate(StubDelegate* delegate) OVERRIDE {
delegate_ = delegate;
}
virtual void AddObserver(Observer* observer) OVERRIDE {
observers_.AddObserver(observer);
}
virtual void RemoveObserver(Observer* observer) OVERRIDE {
observers_.RemoveObserver(observer);
}
virtual bool HasObserver(Observer* observer) OVERRIDE {
return observers_.HasObserver(observer);
}
virtual void EmitLoginPromptVisible() OVERRIDE {}
virtual void RestartJob(int pid, const std::string& command_line) OVERRIDE {}
virtual void StartSession(const std::string& user_email) OVERRIDE {}
virtual void StopSession() OVERRIDE {}
virtual void StartDeviceWipe() OVERRIDE {}
virtual void RequestLockScreen() OVERRIDE {
if (delegate_)
delegate_->LockScreenForStub();
}
virtual void NotifyLockScreenShown() OVERRIDE {
FOR_EACH_OBSERVER(Observer, observers_, ScreenIsLocked());
}
virtual void NotifyLockScreenDismissed() OVERRIDE {
FOR_EACH_OBSERVER(Observer, observers_, ScreenIsUnlocked());
}
virtual void RetrieveActiveSessions(
const ActiveSessionsCallback& callback) OVERRIDE {}
virtual void RetrieveDevicePolicy(
const RetrievePolicyCallback& callback) OVERRIDE {
base::FilePath owner_key_path;
if (!PathService::Get(chromeos::FILE_OWNER_KEY, &owner_key_path)) {
callback.Run("");
return;
}
base::FilePath device_policy_path =
owner_key_path.DirName().AppendASCII("stub_device_policy");
base::PostTaskAndReplyWithResult(
base::WorkerPool::GetTaskRunner(false),
FROM_HERE,
base::Bind(&GetFileContent, device_policy_path),
callback);
}
virtual void RetrievePolicyForUser(
const std::string& username,
const RetrievePolicyCallback& callback) OVERRIDE {
base::PostTaskAndReplyWithResult(
base::WorkerPool::GetTaskRunner(false),
FROM_HERE,
base::Bind(&GetFileContent, GetUserFilePath(username, "stub_policy")),
callback);
}
virtual std::string BlockingRetrievePolicyForUser(
const std::string& username) OVERRIDE {
return GetFileContent(GetUserFilePath(username, "stub_policy"));
}
virtual void RetrieveDeviceLocalAccountPolicy(
const std::string& account_name,
const RetrievePolicyCallback& callback) OVERRIDE {
RetrievePolicyForUser(account_name, callback);
}
virtual void StoreDevicePolicy(const std::string& policy_blob,
const StorePolicyCallback& callback) OVERRIDE {
enterprise_management::PolicyFetchResponse response;
base::FilePath owner_key_path;
if (!response.ParseFromString(policy_blob) ||
!PathService::Get(chromeos::FILE_OWNER_KEY, &owner_key_path)) {
callback.Run(false);
return;
}
if (response.has_new_public_key()) {
base::WorkerPool::PostTask(
FROM_HERE,
base::Bind(&StoreFile, owner_key_path, response.new_public_key()),
false);
}
// Chrome will attempt to retrieve the device policy right after storing
// during enrollment, so make sure it's written before signaling
// completion.
// Note also that the owner key will be written before the device policy,
// if it was present in the blob.
base::FilePath device_policy_path =
owner_key_path.DirName().AppendASCII("stub_device_policy");
base::WorkerPool::PostTaskAndReply(
FROM_HERE,
base::Bind(&StoreFile, device_policy_path, policy_blob),
base::Bind(callback, true),
false);
}
virtual void StorePolicyForUser(
const std::string& username,
const std::string& policy_blob,
const StorePolicyCallback& callback) OVERRIDE {
// The session manager writes the user policy key to a well-known
// location. Do the same with the stub impl, so that user policy works and
// can be tested on desktop builds.
enterprise_management::PolicyFetchResponse response;
if (!response.ParseFromString(policy_blob)) {
callback.Run(false);
return;
}
if (response.has_new_public_key()) {
base::FilePath key_path = GetUserFilePath(username, "policy.pub");
base::WorkerPool::PostTask(
FROM_HERE,
base::Bind(&StoreFile, key_path, response.new_public_key()),
false);
}
// This file isn't read directly by Chrome, but is used by this class to
// reload the user policy across restarts.
base::FilePath stub_policy_path = GetUserFilePath(username, "stub_policy");
base::WorkerPool::PostTaskAndReply(
FROM_HERE,
base::Bind(&StoreFile, stub_policy_path, policy_blob),
base::Bind(callback, true),
false);
}
virtual void StoreDeviceLocalAccountPolicy(
const std::string& account_name,
const std::string& policy_blob,
const StorePolicyCallback& callback) OVERRIDE {
StorePolicyForUser(account_name, policy_blob, callback);
}
virtual void SetFlagsForUser(const std::string& username,
const std::vector<std::string>& flags) OVERRIDE {
}
virtual void GetServerBackedStateKeys(const StateKeysCallback& callback)
OVERRIDE {
std::vector<std::string> state_keys;
for (int i = 0; i < 5; ++i)
state_keys.push_back(crypto::SHA256HashString(base::IntToString(i)));
if (!callback.is_null())
callback.Run(state_keys);
}
private:
StubDelegate* delegate_; // Weak pointer; may be NULL.
ObserverList<Observer> observers_;
std::string device_policy_;
DISALLOW_COPY_AND_ASSIGN(SessionManagerClientStubImpl);
};
SessionManagerClient::SessionManagerClient() {
}
SessionManagerClient::~SessionManagerClient() {
}
SessionManagerClient* SessionManagerClient::Create(
DBusClientImplementationType type) {
if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
return new SessionManagerClientImpl();
DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
return new SessionManagerClientStubImpl();
}
} // namespace chromeos