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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/ui/webui/inline_login_ui.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/signin/signin_promo.h"
#include "chrome/browser/signin/token_service.h"
#include "chrome/browser/signin/token_service_factory.h"
#include "chrome/browser/ui/sync/one_click_signin_sync_starter.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_data_source.h"
#include "content/public/browser/web_ui_message_handler.h"
#include "google_apis/gaia/gaia_switches.h"
#include "google_apis/gaia/gaia_urls.h"
#include "grit/browser_resources.h"
#include "net/base/escape.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/login/oauth2_token_fetcher.h"
#endif
namespace {
content::WebUIDataSource* CreateWebUIDataSource() {
content::WebUIDataSource* source =
content::WebUIDataSource::Create(chrome::kChromeUIInlineLoginHost);
source->SetUseJsonJSFormatV2();
source->SetJsonPath("strings.js");
source->SetDefaultResource(IDR_INLINE_LOGIN_HTML);
source->AddResourcePath("inline_login.css", IDR_INLINE_LOGIN_CSS);
source->AddResourcePath("inline_login.js", IDR_INLINE_LOGIN_JS);
return source;
};
#if defined(OS_CHROMEOS)
class InlineLoginUIOAuth2Delegate
: public chromeos::OAuth2TokenFetcher::Delegate {
public:
explicit InlineLoginUIOAuth2Delegate(content::WebUI* web_ui)
: web_ui_(web_ui) {}
virtual ~InlineLoginUIOAuth2Delegate() {}
// OAuth2TokenFetcher::Delegate overrides:
virtual void OnOAuth2TokensAvailable(
const GaiaAuthConsumer::ClientOAuthResult& oauth2_tokens) OVERRIDE {
// Closes sign-in dialog before update token service. Token service update
// might trigger a permission dialog and if this dialog does not close,
// a DCHECK would be triggered because attempting to activate a window
// while there is a modal dialog.
web_ui_->CallJavascriptFunction("inline.login.closeDialog");
Profile* profile = Profile::FromWebUI(web_ui_);
TokenService* token_service =
TokenServiceFactory::GetForProfile(profile);
token_service->UpdateCredentialsWithOAuth2(oauth2_tokens);
}
virtual void OnOAuth2TokensFetchFailed() OVERRIDE {
LOG(ERROR) << "Failed to fetch oauth2 token with inline login.";
web_ui_->CallJavascriptFunction("inline.login.handleOAuth2TokenFailure");
}
private:
content::WebUI* web_ui_;
};
#endif // OS_CHROMEOS
class InlineLoginUIHandler : public content::WebUIMessageHandler {
public:
explicit InlineLoginUIHandler(Profile* profile) : profile_(profile) {}
virtual ~InlineLoginUIHandler() {}
// content::WebUIMessageHandler overrides:
virtual void RegisterMessages() OVERRIDE {
web_ui()->RegisterMessageCallback("initialize",
base::Bind(&InlineLoginUIHandler::HandleInitialize,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("completeLogin",
base::Bind(&InlineLoginUIHandler::HandleCompleteLogin,
base::Unretained(this)));
}
private:
// Enum for gaia auth mode, must match AuthMode defined in
// chrome/browser/resources/gaia_auth_host/gaia_auth_host.js.
enum AuthMode {
kDefaultAuthMode = 0,
kOfflineAuthMode = 1,
kInlineAuthMode = 2
};
void LoadAuthExtension() {
base::DictionaryValue params;
const std::string& app_locale = g_browser_process->GetApplicationLocale();
params.SetString("hl", app_locale);
GaiaUrls* gaiaUrls = GaiaUrls::GetInstance();
params.SetString("gaiaUrl", gaiaUrls->gaia_url().spec());
bool enable_inline = CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableInlineSignin);
params.SetInteger("authMode",
enable_inline ? kInlineAuthMode : kDefaultAuthMode);
// Set continueUrl param for the inline sign in flow. It should point to
// the oauth2 auth code URL so that later we can grab the auth code from
// the cookie jar of the embedded webview.
if (enable_inline) {
std::string scope = net::EscapeUrlEncodedData(
gaiaUrls->oauth1_login_scope(), true);
std::string client_id = net::EscapeUrlEncodedData(
gaiaUrls->oauth2_chrome_client_id(), true);
std::string encoded_continue_params = base::StringPrintf(
"?scope=%s&client_id=%s", scope.c_str(), client_id.c_str());
params.SetString("continueUrl",
gaiaUrls->client_login_to_oauth2_url().Resolve(
encoded_continue_params).spec());
}
web_ui()->CallJavascriptFunction("inline.login.loadAuthExtension", params);
}
// JS callback:
void HandleInitialize(const base::ListValue* args) {
LoadAuthExtension();
}
void HandleCompleteLogin(const base::ListValue* args) {
// TODO(guohui, xiyuan): we should investigate if it is possible to unify
// the signin-with-cookies flow across ChromeOS and Chrome.
#if defined(OS_CHROMEOS)
oauth2_delegate_.reset(new InlineLoginUIOAuth2Delegate(web_ui()));
oauth2_token_fetcher_.reset(new chromeos::OAuth2TokenFetcher(
oauth2_delegate_.get(), profile_->GetRequestContext()));
oauth2_token_fetcher_->StartExchangeFromCookies();
#elif !defined(OS_ANDROID)
const base::DictionaryValue* dict = NULL;
string16 email;
string16 password;
if (!args->GetDictionary(0, &dict) || !dict ||
!dict->GetString("email", &email) ||
!dict->GetString("password", &password)) {
NOTREACHED();
return;
}
// Call OneClickSigninSyncStarter to exchange cookies for oauth tokens.
// OneClickSigninSyncStarter will delete itself once the job is done.
// TODO(guohui): should collect from user whether they want to use
// default sync settings or configure first.
new OneClickSigninSyncStarter(
profile_, NULL, "0" /* session_index 0 for the default user */,
UTF16ToASCII(email), UTF16ToASCII(password),
"" /* auth_code */,
OneClickSigninSyncStarter::SYNC_WITH_DEFAULT_SETTINGS,
web_ui()->GetWebContents(),
OneClickSigninSyncStarter::NO_CONFIRMATION,
signin::SOURCE_UNKNOWN,
OneClickSigninSyncStarter::Callback());
web_ui()->CallJavascriptFunction("inline.login.closeDialog");
#endif
}
Profile* profile_;
#if defined(OS_CHROMEOS)
scoped_ptr<chromeos::OAuth2TokenFetcher> oauth2_token_fetcher_;
scoped_ptr<InlineLoginUIOAuth2Delegate> oauth2_delegate_;
#endif
DISALLOW_COPY_AND_ASSIGN(InlineLoginUIHandler);
};
} // namespace
InlineLoginUI::InlineLoginUI(content::WebUI* web_ui)
: WebDialogUI(web_ui),
auth_extension_(Profile::FromWebUI(web_ui)) {
Profile* profile = Profile::FromWebUI(web_ui);
content::WebUIDataSource::Add(profile, CreateWebUIDataSource());
web_ui->AddMessageHandler(new InlineLoginUIHandler(profile));
}
InlineLoginUI::~InlineLoginUI() {}
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