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// Copyright 2019 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 "third_party/blink/renderer/modules/cookie_store/cookie_store_manager.h"
#include <utility>
#include "base/optional.h"
#include "services/network/public/mojom/restricted_cookie_manager.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_throw_dom_exception.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_cookie_list_item.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_cookie_store_get_options.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/modules/cookie_store/cookie_change_event.h"
#include "third_party/blink/renderer/modules/cookie_store/cookie_store_metrics.h"
#include "third_party/blink/renderer/modules/service_worker/service_worker_global_scope.h"
#include "third_party/blink/renderer/modules/service_worker/service_worker_registration.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
namespace {
// Returns null if and only if an exception is thrown.
mojom::blink::CookieChangeSubscriptionPtr ToBackendSubscription(
const KURL& default_cookie_url,
const CookieStoreGetOptions* subscription,
ExceptionState& exception_state) {
auto backend_subscription = mojom::blink::CookieChangeSubscription::New();
if (subscription->hasUrl()) {
KURL subscription_url(default_cookie_url, subscription->url());
if (!subscription_url.GetString().StartsWith(
default_cookie_url.GetString())) {
exception_state.ThrowTypeError("URL must be within ServiceWorker scope");
return nullptr;
}
backend_subscription->url = subscription_url;
} else {
backend_subscription->url = default_cookie_url;
}
if (subscription->hasMatchType() &&
subscription->matchType() == "starts-with") {
backend_subscription->match_type =
network::mojom::blink::CookieMatchType::STARTS_WITH;
} else {
backend_subscription->match_type =
network::mojom::blink::CookieMatchType::EQUALS;
}
if (subscription->hasName()) {
backend_subscription->name = subscription->name();
} else {
// No name provided. Use a filter that matches all cookies. This overrides
// a user-provided matchType.
backend_subscription->match_type =
network::mojom::blink::CookieMatchType::STARTS_WITH;
backend_subscription->name = g_empty_string;
}
return backend_subscription;
}
CookieStoreGetOptions* ToCookieChangeSubscription(
const mojom::blink::CookieChangeSubscription& backend_subscription) {
CookieStoreGetOptions* subscription = CookieStoreGetOptions::Create();
subscription->setUrl(backend_subscription.url);
if (backend_subscription.match_type !=
network::mojom::blink::CookieMatchType::STARTS_WITH ||
!backend_subscription.name.IsEmpty()) {
subscription->setName(backend_subscription.name);
}
switch (backend_subscription.match_type) {
case network::mojom::blink::CookieMatchType::STARTS_WITH:
subscription->setMatchType(WTF::String("starts-with"));
break;
case network::mojom::blink::CookieMatchType::EQUALS:
subscription->setMatchType(WTF::String("equals"));
break;
}
return subscription;
}
KURL DefaultCookieURL(ServiceWorkerRegistration* registration) {
DCHECK(registration);
return KURL(registration->scope());
}
} // namespace
CookieStoreManager::CookieStoreManager(
ServiceWorkerRegistration* registration,
HeapMojoRemote<mojom::blink::CookieStore,
HeapMojoWrapperMode::kWithoutContextObserver> backend)
: registration_(registration),
backend_(std::move(backend)),
default_cookie_url_(DefaultCookieURL(registration)) {
DCHECK(registration_);
DCHECK(backend_.is_bound());
}
ScriptPromise CookieStoreManager::subscribe(
ScriptState* script_state,
const HeapVector<Member<CookieStoreGetOptions>>& subscriptions,
ExceptionState& exception_state) {
Vector<mojom::blink::CookieChangeSubscriptionPtr> backend_subscriptions;
backend_subscriptions.ReserveInitialCapacity(subscriptions.size());
for (const CookieStoreGetOptions* subscription : subscriptions) {
RecordMatchType(*subscription);
mojom::blink::CookieChangeSubscriptionPtr backend_subscription =
ToBackendSubscription(default_cookie_url_, subscription,
exception_state);
if (backend_subscription.is_null()) {
DCHECK(exception_state.HadException());
return ScriptPromise();
}
backend_subscriptions.push_back(std::move(backend_subscription));
}
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state);
backend_->AddSubscriptions(
registration_->RegistrationId(), std::move(backend_subscriptions),
WTF::Bind(&CookieStoreManager::OnSubscribeResult, WrapPersistent(this),
WrapPersistent(resolver)));
return resolver->Promise();
}
ScriptPromise CookieStoreManager::unsubscribe(
ScriptState* script_state,
const HeapVector<Member<CookieStoreGetOptions>>& subscriptions,
ExceptionState& exception_state) {
Vector<mojom::blink::CookieChangeSubscriptionPtr> backend_subscriptions;
backend_subscriptions.ReserveInitialCapacity(subscriptions.size());
for (const CookieStoreGetOptions* subscription : subscriptions) {
RecordMatchType(*subscription);
mojom::blink::CookieChangeSubscriptionPtr backend_subscription =
ToBackendSubscription(default_cookie_url_, subscription,
exception_state);
if (backend_subscription.is_null()) {
DCHECK(exception_state.HadException());
return ScriptPromise();
}
backend_subscriptions.push_back(std::move(backend_subscription));
}
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state);
backend_->RemoveSubscriptions(
registration_->RegistrationId(), std::move(backend_subscriptions),
WTF::Bind(&CookieStoreManager::OnSubscribeResult, WrapPersistent(this),
WrapPersistent(resolver)));
return resolver->Promise();
}
ScriptPromise CookieStoreManager::getSubscriptions(
ScriptState* script_state,
ExceptionState& exception_state) {
if (!backend_.is_bound()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidStateError,
"CookieStore backend went away");
return ScriptPromise();
}
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state);
backend_->GetSubscriptions(
registration_->RegistrationId(),
WTF::Bind(&CookieStoreManager::OnGetSubscriptionsResult,
WrapPersistent(this), WrapPersistent(resolver)));
return resolver->Promise();
}
void CookieStoreManager::Trace(Visitor* visitor) const {
visitor->Trace(registration_);
visitor->Trace(backend_);
ScriptWrappable::Trace(visitor);
}
void CookieStoreManager::OnSubscribeResult(ScriptPromiseResolver* resolver,
bool backend_success) {
ScriptState* script_state = resolver->GetScriptState();
if (!script_state->ContextIsValid())
return;
ScriptState::Scope scope(script_state);
if (!backend_success) {
resolver->Reject(V8ThrowDOMException::CreateOrEmpty(
script_state->GetIsolate(), DOMExceptionCode::kUnknownError,
"An unknown error occured while subscribing to cookie changes."));
return;
}
resolver->Resolve();
}
void CookieStoreManager::OnGetSubscriptionsResult(
ScriptPromiseResolver* resolver,
Vector<mojom::blink::CookieChangeSubscriptionPtr> backend_result,
bool backend_success) {
ScriptState* script_state = resolver->GetScriptState();
if (!script_state->ContextIsValid())
return;
ScriptState::Scope scope(script_state);
if (!backend_success) {
resolver->Reject(V8ThrowDOMException::CreateOrEmpty(
script_state->GetIsolate(), DOMExceptionCode::kUnknownError,
"An unknown error occured while subscribing to cookie changes."));
return;
}
HeapVector<Member<CookieStoreGetOptions>> subscriptions;
subscriptions.ReserveInitialCapacity(backend_result.size());
for (const auto& backend_subscription : backend_result) {
CookieStoreGetOptions* subscription =
ToCookieChangeSubscription(*backend_subscription);
subscriptions.push_back(subscription);
}
resolver->Resolve(std::move(subscriptions));
}
} // namespace blink
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