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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 "content/browser/cookie_store/cookie_change_subscription.h"
#include <utility>
#include "content/browser/cookie_store/cookie_change_subscriptions.pb.h"
#include "net/cookies/cookie_constants.h"
#include "net/cookies/cookie_util.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
#include "third_party/blink/renderer/platform/wtf/assertions.h"
namespace content {
namespace {
//#define STATIC_ASSERT_ENUM(a, b) \
// static_assert(static_cast<int>(a) == static_cast<int>(b), \
// "mismatching enums: " #a)
STATIC_ASSERT_ENUM(network::mojom::CookieMatchType::EQUALS,
proto::CookieMatchType::EQUALS);
STATIC_ASSERT_ENUM(network::mojom::CookieMatchType::STARTS_WITH,
proto::CookieMatchType::STARTS_WITH);
proto::CookieMatchType CookieMatchTypeToProto(
network::mojom::CookieMatchType match_type) {
switch (match_type) {
case network::mojom::CookieMatchType::EQUALS:
return proto::CookieMatchType::EQUALS;
case ::network::mojom::CookieMatchType::STARTS_WITH:
return proto::CookieMatchType::STARTS_WITH;
}
NOTREACHED();
return proto::CookieMatchType::EQUALS;
}
network::mojom::CookieMatchType CookieMatchTypeFromProto(
proto::CookieMatchType match_type_proto) {
switch (match_type_proto) {
case proto::CookieMatchType::EQUALS:
return network::mojom::CookieMatchType::EQUALS;
case proto::CookieMatchType::STARTS_WITH:
return ::network::mojom::CookieMatchType::STARTS_WITH;
default:
// The on-disk value was corrupted.
return network::mojom::CookieMatchType::EQUALS;
}
}
} // namespace
// static
std::vector<std::unique_ptr<CookieChangeSubscription>>
CookieChangeSubscription::DeserializeVector(
const std::string& proto_string,
int64_t service_worker_registration_id) {
std::vector<std::unique_ptr<CookieChangeSubscription>> subscriptions;
proto::CookieChangeSubscriptionsProto subscriptions_proto;
if (!subscriptions_proto.ParseFromString(proto_string))
return subscriptions;
int subscription_count = subscriptions_proto.subscriptions_size();
subscriptions.reserve(subscription_count);
for (int i = 0; i < subscription_count; ++i) {
std::unique_ptr<CookieChangeSubscription> subscription =
CookieChangeSubscription::Create(subscriptions_proto.subscriptions(i),
service_worker_registration_id);
if (!subscription)
continue;
subscriptions.push_back(std::move(subscription));
}
return subscriptions;
}
// static
std::string CookieChangeSubscription::SerializeVector(
const std::vector<std::unique_ptr<CookieChangeSubscription>>&
subscriptions) {
DCHECK(!subscriptions.empty());
proto::CookieChangeSubscriptionsProto subscriptions_proto;
for (const auto& subscription : subscriptions)
subscription->Serialize(subscriptions_proto.add_subscriptions());
return subscriptions_proto.SerializeAsString();
}
// static
std::vector<blink::mojom::CookieChangeSubscriptionPtr>
CookieChangeSubscription::ToMojoVector(
const std::vector<std::unique_ptr<CookieChangeSubscription>>&
subscriptions) {
std::vector<blink::mojom::CookieChangeSubscriptionPtr> mojo_subscriptions;
mojo_subscriptions.reserve(subscriptions.size());
for (const auto& subscription : subscriptions) {
auto mojo_subscription = blink::mojom::CookieChangeSubscription::New();
subscription->Serialize(mojo_subscription.get());
mojo_subscriptions.push_back(std::move(mojo_subscription));
}
return mojo_subscriptions;
}
// static
std::unique_ptr<CookieChangeSubscription> CookieChangeSubscription::Create(
proto::CookieChangeSubscriptionProto proto,
int64_t service_worker_registration_id) {
GURL url(proto.url());
if (!url.is_valid())
return nullptr;
std::string name = proto.name();
::network::mojom::CookieMatchType match_type =
CookieMatchTypeFromProto(proto.match_type());
return std::make_unique<CookieChangeSubscription>(
std::move(url), std::move(name), match_type,
service_worker_registration_id);
}
CookieChangeSubscription::~CookieChangeSubscription() = default;
CookieChangeSubscription::CookieChangeSubscription(
blink::mojom::CookieChangeSubscriptionPtr mojo_subscription,
int64_t service_worker_registration_id)
: url_(std::move(mojo_subscription->url)),
name_(std::move(mojo_subscription->name)),
match_type_(mojo_subscription->match_type),
service_worker_registration_id_(service_worker_registration_id) {}
CookieChangeSubscription::CookieChangeSubscription(
GURL url,
std::string name,
::network::mojom::CookieMatchType match_type,
int64_t service_worker_registration_id)
: url_(std::move(url)),
name_(std::move(name)),
match_type_(match_type),
service_worker_registration_id_(service_worker_registration_id) {}
void CookieChangeSubscription::Serialize(
proto::CookieChangeSubscriptionProto* proto) const {
proto->set_match_type(CookieMatchTypeToProto(match_type_));
proto->set_name(name_);
proto->set_url(url_.spec());
}
void CookieChangeSubscription::Serialize(
blink::mojom::CookieChangeSubscription* mojo_subscription) const {
mojo_subscription->url = url_;
mojo_subscription->name = name_;
mojo_subscription->match_type = match_type_;
}
bool CookieChangeSubscription::ShouldObserveChangeTo(
const net::CanonicalCookie& cookie,
net::CookieAccessSemantics access_semantics) const {
switch (match_type_) {
case ::network::mojom::CookieMatchType::EQUALS:
if (cookie.Name() != name_)
return false;
break;
case ::network::mojom::CookieMatchType::STARTS_WITH:
if (!base::StartsWith(cookie.Name(), name_, base::CompareCase::SENSITIVE))
return false;
break;
}
// We assume that this is a same-site, same-party context.
net::CookieOptions net_options;
net_options.set_same_site_cookie_context(
net::CookieOptions::SameSiteCookieContext::MakeInclusive());
net_options.set_same_party_cookie_context_type(
net::CookieOptions::SamePartyCookieContextType::kSameParty);
// It doesn't matter which we choose here, since both SameParty and SameSite
// semantics should allow this access. But we make a choice to be explicit.
net_options.set_is_in_nontrivial_first_party_set(true);
return cookie
.IncludeForRequestURL(
url_, net_options,
net::CookieAccessParams{
access_semantics,
network::IsUrlPotentiallyTrustworthy(url_),
net::cookie_util::GetSamePartyStatus(cookie, net_options),
})
.status.IsInclude();
}
bool operator==(const CookieChangeSubscription& lhs,
const CookieChangeSubscription& rhs) {
return (lhs.match_type() == rhs.match_type()) && (lhs.name() == rhs.name()) &&
(lhs.url() == rhs.url());
}
} // namespace content
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