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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 "components/autofill/content/browser/wallet/wallet_signin_helper.h"
#include "base/callback_helpers.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/rand_util.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/time/time.h"
#include "base/values.h"
#include "components/autofill/content/browser/wallet/wallet_service_url.h"
#include "components/autofill/content/browser/wallet/wallet_signin_helper_delegate.h"
#include "content/public/browser/browser_thread.h"
#include "google_apis/gaia/google_service_auth_error.h"
#include "net/base/escape.h"
#include "net/cookies/canonical_cookie.h"
#include "net/cookies/cookie_monster.h"
#include "net/cookies/cookie_options.h"
#include "net/cookies/cookie_store.h"
#include "net/url_request/url_fetcher.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
namespace autofill {
namespace wallet {
namespace {
const char kWalletCookieName[] = "gdtoken";
// Callback for retrieving Google Wallet cookies. |callback| is passed the
// retrieved cookies and posted back to the UI thread. |cookies| is any Google
// Wallet cookies.
void GetGoogleCookiesCallback(
const base::Callback<void(const std::string&)>& callback,
const net::CookieList& cookies) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
// Cookies for parent domains will also be returned; we only want cookies with
// exact host matches. TODO(estade): really?
std::string host = wallet::GetPassiveAuthUrl(0).host();
std::string wallet_cookie;
for (size_t i = 0; i < cookies.size(); ++i) {
if (LowerCaseEqualsASCII(cookies[i].Name(), kWalletCookieName) &&
LowerCaseEqualsASCII(cookies[i].Domain(), host.c_str())) {
wallet_cookie = cookies[i].Value();
break;
}
}
content::BrowserThread::PostTask(content::BrowserThread::UI,
FROM_HERE,
base::Bind(callback, wallet_cookie));
}
// Gets Google Wallet cookies. Must be called on the IO thread.
// |request_context_getter| is a getter for the current request context.
// |callback| is called when retrieving cookies is completed.
void GetGoogleCookies(
scoped_refptr<net::URLRequestContextGetter> request_context_getter,
const base::Callback<void(const std::string&)>& callback) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
net::URLRequestContext* url_request_context =
request_context_getter->GetURLRequestContext();
net::CookieStore* cookie_store = url_request_context ?
url_request_context->cookie_store() : NULL;
net::CookieMonster* cookie_monster = cookie_store ?
cookie_store->GetCookieMonster() : NULL;
if (!cookie_monster) {
content::BrowserThread::PostTask(content::BrowserThread::UI,
FROM_HERE,
base::Bind(callback, std::string()));
return;
}
net::CookieOptions cookie_options;
cookie_options.set_include_httponly();
cookie_monster->GetAllCookiesForURLWithOptionsAsync(
wallet::GetPassiveAuthUrl(0).GetWithEmptyPath(),
cookie_options,
base::Bind(&GetGoogleCookiesCallback, callback));
}
} // namespace
WalletSigninHelper::WalletSigninHelper(
WalletSigninHelperDelegate* delegate,
net::URLRequestContextGetter* getter)
: delegate_(delegate),
getter_(getter),
weak_ptr_factory_(this) {
DCHECK(delegate_);
}
WalletSigninHelper::~WalletSigninHelper() {
}
void WalletSigninHelper::StartPassiveSignin(size_t user_index) {
DCHECK(!url_fetcher_);
const GURL& url = wallet::GetPassiveAuthUrl(user_index);
url_fetcher_.reset(net::URLFetcher::Create(
0, url, net::URLFetcher::GET, this));
url_fetcher_->SetRequestContext(getter_);
url_fetcher_->Start();
}
void WalletSigninHelper::StartWalletCookieValueFetch() {
scoped_refptr<net::URLRequestContextGetter> request_context(getter_);
if (!request_context.get()) {
ReturnWalletCookieValue(std::string());
return;
}
base::Callback<void(const std::string&)> callback = base::Bind(
&WalletSigninHelper::ReturnWalletCookieValue,
weak_ptr_factory_.GetWeakPtr());
base::Closure task = base::Bind(&GetGoogleCookies, request_context, callback);
content::BrowserThread::PostTask(content::BrowserThread::IO, FROM_HERE, task);
}
void WalletSigninHelper::OnServiceError(const GoogleServiceAuthError& error) {
delegate_->OnPassiveSigninFailure(error);
}
void WalletSigninHelper::OnOtherError() {
OnServiceError(GoogleServiceAuthError::AuthErrorNone());
}
void WalletSigninHelper::OnURLFetchComplete(
const net::URLFetcher* fetcher) {
DCHECK_EQ(url_fetcher_.get(), fetcher);
scoped_ptr<net::URLFetcher> url_fetcher(url_fetcher_.release());
if (!fetcher->GetStatus().is_success() ||
fetcher->GetResponseCode() < 200 ||
fetcher->GetResponseCode() >= 300) {
DVLOG(1) << "URLFetchFailure:"
<< " r=" << fetcher->GetResponseCode()
<< " s=" << fetcher->GetStatus().status()
<< " e=" << fetcher->GetStatus().error();
OnOtherError();
return;
}
std::string data;
if (!fetcher->GetResponseAsString(&data)) {
DVLOG(1) << "failed to GetResponseAsString";
OnOtherError();
return;
}
if (!LowerCaseEqualsASCII(data, "yes")) {
OnServiceError(
GoogleServiceAuthError(GoogleServiceAuthError::USER_NOT_SIGNED_UP));
return;
}
delegate_->OnPassiveSigninSuccess();
}
void WalletSigninHelper::ReturnWalletCookieValue(
const std::string& cookie_value) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
delegate_->OnDidFetchWalletCookieValue(cookie_value);
}
} // namespace wallet
} // namespace autofill
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