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// Copyright 2013 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/extensions/api/screenlock_private/screenlock_private_api.h"
#include <memory>
#include <utility>
#include "base/lazy_instance.h"
#include "base/memory/ptr_util.h"
#include "base/values.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/signin/chrome_proximity_auth_client.h"
#include "chrome/browser/signin/easy_unlock_service.h"
#include "chrome/common/extensions/api/screenlock_private.h"
#include "chrome/common/extensions/extension_constants.h"
#include "components/proximity_auth/screenlock_bridge.h"
#include "extensions/browser/app_window/app_window_registry.h"
#include "extensions/browser/event_router.h"
namespace extensions {
namespace screenlock = api::screenlock_private;
namespace {
screenlock::AuthType FromLockHandlerAuthType(
proximity_auth::ScreenlockBridge::LockHandler::AuthType auth_type) {
switch (auth_type) {
case proximity_auth::ScreenlockBridge::LockHandler::OFFLINE_PASSWORD:
return screenlock::AUTH_TYPE_OFFLINEPASSWORD;
case proximity_auth::ScreenlockBridge::LockHandler::NUMERIC_PIN:
return screenlock::AUTH_TYPE_NUMERICPIN;
case proximity_auth::ScreenlockBridge::LockHandler::USER_CLICK:
return screenlock::AUTH_TYPE_USERCLICK;
case proximity_auth::ScreenlockBridge::LockHandler::ONLINE_SIGN_IN:
// Apps should treat forced online sign in same as system password.
return screenlock::AUTH_TYPE_OFFLINEPASSWORD;
case proximity_auth::ScreenlockBridge::LockHandler::EXPAND_THEN_USER_CLICK:
// This type is used for public sessions, which do not support screen
// locking.
NOTREACHED();
return screenlock::AUTH_TYPE_NONE;
case proximity_auth::ScreenlockBridge::LockHandler::FORCE_OFFLINE_PASSWORD:
return screenlock::AUTH_TYPE_OFFLINEPASSWORD;
}
NOTREACHED();
return screenlock::AUTH_TYPE_OFFLINEPASSWORD;
}
} // namespace
ScreenlockPrivateGetLockedFunction::ScreenlockPrivateGetLockedFunction() {}
ScreenlockPrivateGetLockedFunction::~ScreenlockPrivateGetLockedFunction() {}
bool ScreenlockPrivateGetLockedFunction::RunAsync() {
SetResult(base::MakeUnique<base::FundamentalValue>(
proximity_auth::ScreenlockBridge::Get()->IsLocked()));
SendResponse(error_.empty());
return true;
}
ScreenlockPrivateSetLockedFunction::ScreenlockPrivateSetLockedFunction() {}
ScreenlockPrivateSetLockedFunction::~ScreenlockPrivateSetLockedFunction() {}
bool ScreenlockPrivateSetLockedFunction::RunAsync() {
std::unique_ptr<screenlock::SetLocked::Params> params(
screenlock::SetLocked::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
EasyUnlockService* service = EasyUnlockService::Get(GetProfile());
if (params->locked) {
if (extension()->id() == extension_misc::kEasyUnlockAppId &&
AppWindowRegistry::Get(browser_context())
->GetAppWindowForAppAndKey(extension()->id(),
"easy_unlock_pairing")) {
// Mark the Easy Unlock behaviour on the lock screen as the one initiated
// by the Easy Unlock setup app as a trial one.
// TODO(tbarzic): Move this logic to a new easyUnlockPrivate function.
service->SetTrialRun();
}
proximity_auth::ScreenlockBridge::Get()->Lock();
} else {
proximity_auth::ScreenlockBridge::Get()->Unlock(AccountId::FromUserEmail(
service->proximity_auth_client()->GetAuthenticatedUsername()));
}
SendResponse(error_.empty());
return true;
}
ScreenlockPrivateAcceptAuthAttemptFunction::
ScreenlockPrivateAcceptAuthAttemptFunction() {}
ScreenlockPrivateAcceptAuthAttemptFunction::
~ScreenlockPrivateAcceptAuthAttemptFunction() {}
ExtensionFunction::ResponseAction
ScreenlockPrivateAcceptAuthAttemptFunction::Run() {
std::unique_ptr<screenlock::AcceptAuthAttempt::Params> params(
screenlock::AcceptAuthAttempt::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
Profile* profile = Profile::FromBrowserContext(browser_context());
EasyUnlockService* service = EasyUnlockService::Get(profile);
if (service)
service->FinalizeUnlock(params->accept);
return RespondNow(NoArguments());
}
ScreenlockPrivateEventRouter::ScreenlockPrivateEventRouter(
content::BrowserContext* context)
: browser_context_(context) {
proximity_auth::ScreenlockBridge::Get()->AddObserver(this);
}
ScreenlockPrivateEventRouter::~ScreenlockPrivateEventRouter() {}
void ScreenlockPrivateEventRouter::OnScreenDidLock(
proximity_auth::ScreenlockBridge::LockHandler::ScreenType screen_type) {
DispatchEvent(events::SCREENLOCK_PRIVATE_ON_CHANGED,
screenlock::OnChanged::kEventName,
base::MakeUnique<base::FundamentalValue>(true));
}
void ScreenlockPrivateEventRouter::OnScreenDidUnlock(
proximity_auth::ScreenlockBridge::LockHandler::ScreenType screen_type) {
DispatchEvent(events::SCREENLOCK_PRIVATE_ON_CHANGED,
screenlock::OnChanged::kEventName,
base::MakeUnique<base::FundamentalValue>(false));
}
void ScreenlockPrivateEventRouter::OnFocusedUserChanged(
const AccountId& account_id) {}
void ScreenlockPrivateEventRouter::DispatchEvent(
events::HistogramValue histogram_value,
const std::string& event_name,
std::unique_ptr<base::Value> arg) {
std::unique_ptr<base::ListValue> args(new base::ListValue());
if (arg)
args->Append(std::move(arg));
std::unique_ptr<Event> event(
new Event(histogram_value, event_name, std::move(args)));
EventRouter::Get(browser_context_)->BroadcastEvent(std::move(event));
}
static base::LazyInstance<
BrowserContextKeyedAPIFactory<ScreenlockPrivateEventRouter>> g_factory =
LAZY_INSTANCE_INITIALIZER;
// static
BrowserContextKeyedAPIFactory<ScreenlockPrivateEventRouter>*
ScreenlockPrivateEventRouter::GetFactoryInstance() {
return g_factory.Pointer();
}
void ScreenlockPrivateEventRouter::Shutdown() {
proximity_auth::ScreenlockBridge::Get()->RemoveObserver(this);
}
bool ScreenlockPrivateEventRouter::OnAuthAttempted(
proximity_auth::ScreenlockBridge::LockHandler::AuthType auth_type,
const std::string& value) {
EventRouter* router = EventRouter::Get(browser_context_);
if (!router->HasEventListener(screenlock::OnAuthAttempted::kEventName))
return false;
std::unique_ptr<base::ListValue> args(new base::ListValue());
args->AppendString(screenlock::ToString(FromLockHandlerAuthType(auth_type)));
args->AppendString(value);
std::unique_ptr<Event> event(
new Event(events::SCREENLOCK_PRIVATE_ON_AUTH_ATTEMPTED,
screenlock::OnAuthAttempted::kEventName, std::move(args)));
router->BroadcastEvent(std::move(event));
return true;
}
} // namespace extensions
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