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// Copyright 2014 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/net/cookie_store_util.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/command_line.h"
#include "base/lazy_instance.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/net/chrome_cookie_notification_details.h"
#include "chrome/browser/net/evicted_domain_cookie_counter.h"
#include "chrome/browser/prerender/prerender_manager.h"
#include "chrome/browser/prerender/prerender_manager_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_switches.h"
#include "components/os_crypt/os_crypt.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/cookie_crypto_delegate.h"
#include "content/public/browser/cookie_store_factory.h"
#include "content/public/browser/notification_service.h"
#include "content/public/common/content_constants.h"
#include "extensions/common/constants.h"
using content::BrowserThread;
namespace {
class ChromeCookieMonsterDelegate : public net::CookieMonsterDelegate {
public:
explicit ChromeCookieMonsterDelegate(Profile* profile)
: profile_getter_(
base::Bind(&GetProfileOnUI, g_browser_process->profile_manager(),
profile)) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(profile);
}
// net::CookieMonster::Delegate implementation.
void OnCookieChanged(
const net::CanonicalCookie& cookie,
bool removed,
net::CookieMonster::Delegate::ChangeCause cause) override {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&ChromeCookieMonsterDelegate::OnCookieChangedAsyncHelper,
this, cookie, removed, cause));
}
void OnLoaded() override {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&ChromeCookieMonsterDelegate::OnLoadedAsyncHelper,
this));
}
private:
~ChromeCookieMonsterDelegate() override {}
static Profile* GetProfileOnUI(ProfileManager* profile_manager,
Profile* profile) {
if (profile_manager->IsValidProfile(profile))
return profile;
return NULL;
}
void OnCookieChangedAsyncHelper(
const net::CanonicalCookie& cookie,
bool removed,
net::CookieMonster::Delegate::ChangeCause cause) {
Profile* profile = profile_getter_.Run();
if (profile) {
ChromeCookieDetails cookie_details(&cookie, removed, cause);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_COOKIE_CHANGED,
content::Source<Profile>(profile),
content::Details<ChromeCookieDetails>(&cookie_details));
}
}
void OnLoadedAsyncHelper() {
Profile* profile = profile_getter_.Run();
if (profile) {
prerender::PrerenderManager* prerender_manager =
prerender::PrerenderManagerFactory::GetForProfile(profile);
if (prerender_manager)
prerender_manager->OnCookieStoreLoaded();
}
}
const base::Callback<Profile*(void)> profile_getter_;
};
} // namespace
namespace chrome_browser_net {
bool IsCookieRecordMode() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
// Only allow Record Mode if we are in a Debug build or where we are running
// a cycle, and the user has limited control.
return command_line.HasSwitch(switches::kRecordMode) &&
chrome::kRecordModeEnabled;
}
bool ShouldUseInMemoryCookiesAndCache() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
return IsCookieRecordMode() ||
command_line.HasSwitch(switches::kPlaybackMode);
}
net::CookieMonsterDelegate* CreateCookieDelegate(Profile* profile) {
return new EvictedDomainCookieCounter(
new ChromeCookieMonsterDelegate(profile));
}
#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
namespace {
// Use the operating system's mechanisms to encrypt cookies before writing
// them to persistent store. Currently this only is done with desktop OS's
// because ChromeOS and Android already protect the entire profile contents.
//
// TODO(bcwhite): Enable on MACOSX -- requires all Cookie tests to call
// OSCrypt::UseMockKeychain or will hang waiting for user input.
class CookieOSCryptoDelegate : public content::CookieCryptoDelegate {
public:
bool EncryptString(const std::string& plaintext,
std::string* ciphertext) override;
bool DecryptString(const std::string& ciphertext,
std::string* plaintext) override;
};
bool CookieOSCryptoDelegate::EncryptString(const std::string& plaintext,
std::string* ciphertext) {
return OSCrypt::EncryptString(plaintext, ciphertext);
}
bool CookieOSCryptoDelegate::DecryptString(const std::string& ciphertext,
std::string* plaintext) {
return OSCrypt::DecryptString(ciphertext, plaintext);
}
// Using a LazyInstance is safe here because this class is stateless and
// requires 0 initialization.
base::LazyInstance<CookieOSCryptoDelegate> g_cookie_crypto_delegate =
LAZY_INSTANCE_INITIALIZER;
} // namespace
content::CookieCryptoDelegate* GetCookieCryptoDelegate() {
return g_cookie_crypto_delegate.Pointer();
}
#else // defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
content::CookieCryptoDelegate* GetCookieCryptoDelegate() {
return NULL;
}
#endif // defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
} // namespace chrome_browser_net
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