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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/cookie_store/cookie_change_event.h"
#include <utility>
#include "services/network/public/mojom/cookie_manager.mojom-blink.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_cookie_change_event_init.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_cookie_list_item.h"
#include "third_party/blink/renderer/core/dom/dom_high_res_time_stamp.h"
#include "third_party/blink/renderer/modules/event_modules.h"
#include "third_party/blink/renderer/platform/heap/visitor.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
CookieChangeEvent::~CookieChangeEvent() = default;
const AtomicString& CookieChangeEvent::InterfaceName() const {
return event_interface_names::kCookieChangeEvent;
}
void CookieChangeEvent::Trace(Visitor* visitor) const {
Event::Trace(visitor);
visitor->Trace(changed_);
visitor->Trace(deleted_);
}
CookieChangeEvent::CookieChangeEvent() = default;
CookieChangeEvent::CookieChangeEvent(const AtomicString& type,
HeapVector<Member<CookieListItem>> changed,
HeapVector<Member<CookieListItem>> deleted)
: Event(type, Bubbles::kNo, Cancelable::kNo),
changed_(std::move(changed)),
deleted_(std::move(deleted)) {}
CookieChangeEvent::CookieChangeEvent(const AtomicString& type,
const CookieChangeEventInit* initializer)
: Event(type, initializer) {
if (initializer->hasChanged())
changed_ = initializer->changed();
if (initializer->hasDeleted())
deleted_ = initializer->deleted();
}
namespace {
std::optional<V8CookieSameSite::Enum> ToCookieListItemSameSite(
net::CookieSameSite same_site) {
switch (same_site) {
case net::CookieSameSite::STRICT_MODE:
return V8CookieSameSite::Enum::kStrict;
case net::CookieSameSite::LAX_MODE:
return V8CookieSameSite::Enum::kLax;
case net::CookieSameSite::NO_RESTRICTION:
return V8CookieSameSite::Enum::kNone;
case net::CookieSameSite::UNSPECIFIED:
return std::nullopt;
}
NOTREACHED();
}
std::optional<V8CookieSameSite::Enum> ToCookieListItemEffectiveSameSite(
network::mojom::CookieEffectiveSameSite effective_same_site) {
switch (effective_same_site) {
case network::mojom::CookieEffectiveSameSite::kStrictMode:
return V8CookieSameSite::Enum::kStrict;
case network::mojom::CookieEffectiveSameSite::kLaxMode:
case network::mojom::CookieEffectiveSameSite::kLaxModeAllowUnsafe:
return V8CookieSameSite::Enum::kLax;
case network::mojom::CookieEffectiveSameSite::kNoRestriction:
return V8CookieSameSite::Enum::kNone;
case network::mojom::CookieEffectiveSameSite::kUndefined:
return std::nullopt;
}
}
} // namespace
// static
CookieListItem* CookieChangeEvent::ToCookieListItem(
const net::CanonicalCookie& canonical_cookie,
const network::mojom::blink::CookieEffectiveSameSite& effective_same_site,
bool is_deleted) {
CookieListItem* list_item = CookieListItem::Create();
list_item->setName(String::FromUTF8(canonical_cookie.Name()));
list_item->setPath(String::FromUTF8(canonical_cookie.Path()));
list_item->setSecure(canonical_cookie.SecureAttribute());
// Use effective same site if available, otherwise use same site.
auto same_site = ToCookieListItemEffectiveSameSite(effective_same_site);
if (!same_site) {
same_site = ToCookieListItemSameSite(canonical_cookie.SameSite());
}
if (same_site) {
list_item->setSameSite(*same_site);
}
// The domain of host-only cookies is the host name, without a dot (.) prefix.
String cookie_domain = String::FromUTF8(canonical_cookie.Domain());
if (cookie_domain.StartsWith(".")) {
list_item->setDomain(cookie_domain.Substring(1));
} else {
list_item->setDomain(String());
}
if (!is_deleted) {
list_item->setValue(String::FromUTF8(canonical_cookie.Value()));
if (canonical_cookie.ExpiryDate().is_null()) {
list_item->setExpires(std::nullopt);
} else {
list_item->setExpires(
ConvertTimeToDOMHighResTimeStamp(canonical_cookie.ExpiryDate()));
}
}
list_item->setPartitioned(canonical_cookie.IsPartitioned());
return list_item;
}
// static
void CookieChangeEvent::ToEventInfo(
const network::mojom::blink::CookieChangeInfoPtr& change_info,
HeapVector<Member<CookieListItem>>& changed,
HeapVector<Member<CookieListItem>>& deleted) {
switch (change_info->cause) {
case ::network::mojom::CookieChangeCause::INSERTED: {
CookieListItem* cookie = ToCookieListItem(
change_info->cookie, change_info->access_result->effective_same_site,
false /* is_deleted */);
changed.push_back(cookie);
break;
}
case ::network::mojom::CookieChangeCause::EXPLICIT:
case ::network::mojom::CookieChangeCause::UNKNOWN_DELETION:
case ::network::mojom::CookieChangeCause::EXPIRED:
case ::network::mojom::CookieChangeCause::EVICTED:
case ::network::mojom::CookieChangeCause::EXPIRED_OVERWRITE: {
CookieListItem* cookie = ToCookieListItem(
change_info->cookie, change_info->access_result->effective_same_site,
true /* is_deleted */);
deleted.push_back(cookie);
break;
}
case ::network::mojom::CookieChangeCause::OVERWRITE:
case ::network::mojom::CookieChangeCause::INSERTED_NO_CHANGE_OVERWRITE:
// A cookie overwrite causes an OVERWRITE (meaning the old cookie was
// deleted) and an INSERTED, unless the insertion resulted in a cookie
// with no observable difference. In that case, we do not dispatch any
// change events.
break;
}
}
} // namespace blink
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