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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sessions/ios/ios_serialized_navigation_driver.h"
#include "base/memory/singleton.h"
#include "base/notreached.h"
#include "components/sessions/core/serialized_navigation_entry.h"
#include "ios/web/common/referrer_util.h"
#include "ios/web/public/navigation/referrer.h"
namespace sessions {
// static
SerializedNavigationDriver* SerializedNavigationDriver::Get() {
return IOSSerializedNavigationDriver::GetInstance();
}
// static
IOSSerializedNavigationDriver*
IOSSerializedNavigationDriver::GetInstance() {
return base::Singleton<
IOSSerializedNavigationDriver,
base::LeakySingletonTraits<IOSSerializedNavigationDriver>>::get();
}
IOSSerializedNavigationDriver::IOSSerializedNavigationDriver() {
}
IOSSerializedNavigationDriver::~IOSSerializedNavigationDriver() {
}
int IOSSerializedNavigationDriver::GetDefaultReferrerPolicy() const {
return web::ReferrerPolicyDefault;
}
std::string
IOSSerializedNavigationDriver::GetSanitizedPageStateForPickle(
const SerializedNavigationEntry* navigation) const {
return std::string();
}
void IOSSerializedNavigationDriver::Sanitize(
SerializedNavigationEntry* navigation) const {
web::Referrer referrer(
navigation->referrer_url_,
static_cast<web::ReferrerPolicy>(navigation->referrer_policy_));
if (!navigation->virtual_url_.SchemeIsHTTPOrHTTPS() ||
!referrer.url.SchemeIsHTTPOrHTTPS()) {
referrer.url = GURL();
} else {
if (referrer.policy < 0 || referrer.policy > web::ReferrerPolicyLast) {
NOTREACHED();
referrer.policy = web::ReferrerPolicyNever;
}
referrer.url = GURL(
ReferrerHeaderValueForNavigation(navigation->virtual_url_, referrer));
}
// Reset the referrer if it has changed.
if (navigation->referrer_url_ != referrer.url) {
navigation->referrer_url_ = GURL();
navigation->referrer_policy_ = GetDefaultReferrerPolicy();
}
}
std::string IOSSerializedNavigationDriver::StripReferrerFromPageState(
const std::string& page_state) const {
return std::string();
}
} // namespace sessions
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