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// Copyright 2018 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/ui/webui/signin/inline_login_handler_chromeos.h"
#include <string>
#include "base/logging.h"
#include "base/macros.h"
#include "base/threading/sequenced_task_runner_handle.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browser_process_platform_part.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/webui/signin/inline_login_handler.h"
#include "chromeos/components/account_manager/account_manager.h"
#include "chromeos/components/account_manager/account_manager_factory.h"
#include "components/signin/public/identity_manager/account_info.h"
#include "components/signin/public/identity_manager/identity_manager.h"
#include "google_apis/gaia/gaia_urls.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
namespace chromeos {
namespace {
// A helper class for completing the inline login flow. Primarily, it is
// responsible for exchanging the auth code, obtained after a successful user
// sign in, for OAuth tokens and subsequently populating Chrome OS
// AccountManager with these tokens.
// This object is supposed to be used in a one-shot fashion and it deletes
// itself after its work is complete.
class SigninHelper : public GaiaAuthConsumer {
public:
SigninHelper(
chromeos::AccountManager* account_manager,
const base::RepeatingClosure& close_dialog_closure,
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
const std::string& gaia_id,
const std::string& email,
const std::string& auth_code)
: account_manager_(account_manager),
close_dialog_closure_(close_dialog_closure),
email_(email),
gaia_auth_fetcher_(this,
gaia::GaiaSource::kChrome,
url_loader_factory) {
account_key_ = chromeos::AccountManager::AccountKey{
gaia_id, chromeos::account_manager::AccountType::ACCOUNT_TYPE_GAIA};
gaia_auth_fetcher_.StartAuthCodeForOAuth2TokenExchange(auth_code);
}
~SigninHelper() override = default;
// GaiaAuthConsumer overrides.
void OnClientOAuthSuccess(const ClientOAuthResult& result) override {
// Flow of control after this call:
// |AccountManager::UpsertAccount| updates / inserts the account and calls
// its |Observer|s, one of which is
// |ProfileOAuth2TokenServiceDelegateChromeOS|.
// |ProfileOAuth2TokenServiceDelegateChromeOS::OnTokenUpserted| seeds the
// Gaia id and email id for this account in |AccountTrackerService| and
// invokes |FireRefreshTokenAvailable|. This causes the account to propagate
// throughout the Identity Service chain, including in
// |AccountFetcherService|. |AccountFetcherService::OnRefreshTokenAvailable|
// invokes |AccountTrackerService::StartTrackingAccount|, triggers a fetch
// for the account information from Gaia and updates this information into
// |AccountTrackerService|. At this point the account will be fully added to
// the system.
account_manager_->UpsertAccount(account_key_, email_, result.refresh_token);
close_dialog_closure_.Run();
base::SequencedTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, this);
}
void OnClientOAuthFailure(const GoogleServiceAuthError& error) override {
// TODO(sinhak): Display an error.
close_dialog_closure_.Run();
base::SequencedTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, this);
}
private:
// A non-owning pointer to Chrome OS AccountManager.
chromeos::AccountManager* const account_manager_;
// A closure to close the hosting dialog window.
base::RepeatingClosure close_dialog_closure_;
// The user's AccountKey for which |this| object has been created.
chromeos::AccountManager::AccountKey account_key_;
// The user's email for which |this| object has been created.
const std::string email_;
// Used for exchanging auth code for OAuth tokens.
GaiaAuthFetcher gaia_auth_fetcher_;
DISALLOW_COPY_AND_ASSIGN(SigninHelper);
};
} // namespace
InlineLoginHandlerChromeOS::InlineLoginHandlerChromeOS(
const base::RepeatingClosure& close_dialog_closure)
: close_dialog_closure_(close_dialog_closure) {}
InlineLoginHandlerChromeOS::~InlineLoginHandlerChromeOS() = default;
void InlineLoginHandlerChromeOS::RegisterMessages() {
InlineLoginHandler::RegisterMessages();
web_ui()->RegisterMessageCallback(
"showIncognito",
base::BindRepeating(
&InlineLoginHandlerChromeOS::ShowIncognitoAndCloseDialog,
base::Unretained(this)));
}
void InlineLoginHandlerChromeOS::SetExtraInitParams(
base::DictionaryValue& params) {
const GaiaUrls* const gaia_urls = GaiaUrls::GetInstance();
params.SetKey("clientId", base::Value(gaia_urls->oauth2_chrome_client_id()));
const GURL& url = gaia_urls->embedded_setup_chromeos_url(2U);
params.SetKey("gaiaPath", base::Value(url.path().substr(1)));
params.SetKey("constrained", base::Value("1"));
params.SetKey("flow", base::Value("crosAddAccount"));
params.SetBoolean("dontResizeNonEmbeddedPages", true);
// For in-session login flows, request Gaia to ignore third party SAML IdP SSO
// redirection policies (and redirect to SAML IdPs by default), otherwise some
// managed users will not be able to login to Chrome OS at all. Please check
// https://crbug.com/984525 and https://crbug.com/984525#c20 for more context.
params.SetBoolean("ignoreCrOSIdpSetting", true);
}
void InlineLoginHandlerChromeOS::HandleAuthExtensionReadyMessage(
const base::ListValue* args) {
AllowJavascript();
FireWebUIListener("showBackButton");
}
void InlineLoginHandlerChromeOS::CompleteLogin(const std::string& email,
const std::string& password,
const std::string& gaia_id,
const std::string& auth_code,
bool skip_for_now,
bool trusted,
bool trusted_found,
bool choose_what_to_sync) {
CHECK(!auth_code.empty());
CHECK(!gaia_id.empty());
CHECK(!email.empty());
// TODO(sinhak): Do not depend on Profile unnecessarily.
Profile* profile = Profile::FromWebUI(web_ui());
// TODO(sinhak): Do not depend on Profile unnecessarily. When multiprofile on
// Chrome OS is released, get rid of |AccountManagerFactory| and get
// AccountManager directly from |g_browser_process|.
chromeos::AccountManager* account_manager =
g_browser_process->platform_part()
->GetAccountManagerFactory()
->GetAccountManager(profile->GetPath().value());
// SigninHelper deletes itself after its work is done.
new SigninHelper(account_manager, close_dialog_closure_,
account_manager->GetUrlLoaderFactory(), gaia_id, email,
auth_code);
}
void InlineLoginHandlerChromeOS::HandleDialogClose(
const base::ListValue* args) {
AllowJavascript();
close_dialog_closure_.Run();
}
void InlineLoginHandlerChromeOS::ShowIncognitoAndCloseDialog(
const base::ListValue* args) {
chrome::NewIncognitoWindow(Profile::FromWebUI(web_ui()));
close_dialog_closure_.Run();
}
} // namespace chromeos
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