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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "SharedSubResourceCache.h"
#include "mozilla/RefPtr.h"
#include "mozilla/Services.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/dom/CacheablePerformanceTimingData.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/Performance.h"
#include "mozilla/dom/PerformanceResourceTimingBinding.h"
#include "mozilla/dom/PerformanceStorage.h"
#include "mozilla/dom/PerformanceTiming.h"
#include "mozilla/net/HttpBaseChannel.h"
#include "nsCOMPtr.h"
#include "nsDOMNavigationTiming.h"
#include "nsHttpResponseHead.h"
#include "nsIHttpChannel.h"
#include "nsIObserver.h"
#include "nsIObserverService.h"
#include "nsIRequest.h"
#include "nsITimedChannel.h"
#include "nsPIDOMWindow.h"
#include "nsQueryObject.h"
namespace mozilla {
namespace SharedSubResourceCacheUtils {
void AddMemoryPressureObserver(nsIObserver* aObserver) {
nsCOMPtr<nsIObserverService> obsService = services::GetObserverService();
if (!obsService) {
return;
}
obsService->AddObserver(aObserver, "memory-pressure", false);
obsService->AddObserver(aObserver, "memory-pressure-stop", false);
}
void RemoveMemoryPressureObserver(nsIObserver* aObserver) {
nsCOMPtr<nsIObserverService> obsService = services::GetObserverService();
if (!obsService) {
return;
}
obsService->RemoveObserver(aObserver, "memory-pressure");
obsService->RemoveObserver(aObserver, "memory-pressure-stop");
}
void AddPerformanceEntryForCache(
const nsString& aEntryName, const nsString& aInitiatorType,
const SubResourceNetworkMetadataHolder* aNetworkMetadata,
TimeStamp aStartTime, TimeStamp aEndTime, dom::Document* aDocument) {
MOZ_ASSERT(aDocument);
if (!aNetworkMetadata || !aNetworkMetadata->GetPerfData()) {
return;
}
nsPIDOMWindowInner* win = aDocument->GetInnerWindow();
if (!win) {
return;
}
RefPtr<dom::Performance> performance = win->GetPerformance();
if (!performance) {
return;
}
// TODO: Bug 1751383.
auto renderBlocking = dom::RenderBlockingStatusType::Non_blocking;
UniquePtr<dom::PerformanceTimingData> data(
dom::PerformanceTimingData::Create(*aNetworkMetadata->GetPerfData(), 0,
aStartTime, aEndTime, renderBlocking));
if (!data) {
return;
}
dom::PerformanceStorage* storage = performance->AsPerformanceStorage();
MOZ_ASSERT(storage);
storage->AddEntry(aEntryName, aInitiatorType, std::move(data));
}
bool ShouldClearEntry(nsIURI* aEntryURI, nsIPrincipal* aEntryPartitionPrincipal,
const Maybe<bool>& aChrome,
const Maybe<nsCOMPtr<nsIPrincipal>>& aPrincipal,
const Maybe<nsCString>& aSchemelessSite,
const Maybe<OriginAttributesPattern>& aPattern,
const Maybe<nsCString>& aURL) {
if (aChrome.isSome()) {
RefPtr<nsIURI> uri = aEntryURI;
if (!uri) {
// If there's no uri (inline resource) try to use the principal URI.
uri = aEntryPartitionPrincipal->GetURI();
}
const bool isChrome = [&] {
if (uri && (uri->SchemeIs("chrome") || uri->SchemeIs("resource"))) {
return true;
}
if (!aEntryURI && aEntryPartitionPrincipal->IsSystemPrincipal()) {
return true;
}
return false;
}();
if (*aChrome != isChrome) {
return false;
}
if (!aPrincipal && !aSchemelessSite && !aURL) {
return true;
}
}
if (aURL) {
if (!aEntryURI) {
// Inline resources have no URL.
return false;
}
nsAutoCString spec;
nsresult rv = aEntryURI->GetSpec(spec);
if (NS_FAILED(rv)) {
return false;
}
return spec == *aURL;
}
if (aPrincipal && aEntryPartitionPrincipal->Equals(aPrincipal.ref())) {
return true;
}
if (!aSchemelessSite) {
return false;
}
// Clear by site.
// Clear entries with site. This includes entries which are partitioned
// under other top level sites (= have a partitionKey set).
nsAutoCString principalBaseDomain;
nsresult rv = aEntryPartitionPrincipal->GetBaseDomain(principalBaseDomain);
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
if (principalBaseDomain.Equals(aSchemelessSite.ref()) &&
aPattern.ref().Matches(aEntryPartitionPrincipal->OriginAttributesRef())) {
return true;
}
// Clear entries partitioned under aSchemelessSite. We need to add the
// partition key filter to aPattern so that we include any OA filtering
// specified by the caller. For example the caller may pass aPattern = {
// privateBrowsingId: 1 } which means we may only clear partitioned
// private browsing data.
OriginAttributesPattern patternWithPartitionKey(aPattern.ref());
patternWithPartitionKey.mPartitionKeyPattern.Construct();
patternWithPartitionKey.mPartitionKeyPattern.Value().mBaseDomain.Construct(
NS_ConvertUTF8toUTF16(aSchemelessSite.ref()));
return patternWithPartitionKey.Matches(
aEntryPartitionPrincipal->OriginAttributesRef());
}
} // namespace SharedSubResourceCacheUtils
SubResourceNetworkMetadataHolder::~SubResourceNetworkMetadataHolder() = default;
SubResourceNetworkMetadataHolder::SubResourceNetworkMetadataHolder(
nsIRequest* aRequest) {
nsCOMPtr<nsITimedChannel> timedChannel = do_QueryInterface(aRequest);
if (timedChannel) {
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(aRequest);
mPerfData.emplace(timedChannel, httpChannel);
}
RefPtr<net::HttpBaseChannel> httpBaseChannel = do_QueryObject(aRequest);
if (httpBaseChannel) {
mResponseHead = httpBaseChannel->MaybeCloneResponseHeadForCachedResource();
}
}
size_t SubResourceNetworkMetadataHolder::SizeOfExcludingThis(
MallocSizeOf aMallocSizeOf) const {
size_t n = 0;
if (mPerfData) {
n += mPerfData->SizeOfExcludingThis(aMallocSizeOf);
}
if (mResponseHead) {
mResponseHead->SizeOfIncludingThis(aMallocSizeOf);
}
return n;
}
} // namespace mozilla
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