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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/. */
#ifndef mozilla_dom_CacheablePerformanceTimingData_h
#define mozilla_dom_CacheablePerformanceTimingData_h
#include <stdint.h>
#include "mozilla/MemoryReporting.h"
#include "nsCOMPtr.h"
#include "nsITimedChannel.h"
#include "nsString.h"
#include "nsTArray.h"
class nsIHttpChannel;
namespace mozilla::dom {
class IPCPerformanceTimingData;
// The subset of PerformanceResourceTiming data that can be cached for the
// subsequent requests from a compatible principal.
//
// This includes the data extracted from the server response, but doesn't
// include any timing data.
class CacheablePerformanceTimingData {
public:
CacheablePerformanceTimingData() = default;
CacheablePerformanceTimingData(nsITimedChannel* aChannel,
nsIHttpChannel* aHttpChannel);
size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
}
size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const {
size_t n = 0;
n += mContentType.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
n += mNextHopProtocol.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
n += mServerTiming.ShallowSizeOfExcludingThis(aMallocSizeOf);
for (const auto& timing : mServerTiming) {
n += timing->SizeOfIncludingThis(aMallocSizeOf);
}
return n;
}
protected:
explicit CacheablePerformanceTimingData(
const CacheablePerformanceTimingData& aOther);
explicit CacheablePerformanceTimingData(
const IPCPerformanceTimingData& aIPCData);
public:
bool IsInitialized() const { return mInitialized; }
const nsString& NextHopProtocol() const { return mNextHopProtocol; }
uint64_t EncodedBodySize() const { return mEncodedBodySize; }
uint64_t DecodedBodySize() const { return mDecodedBodySize; }
uint16_t ResponseStatus() const { return mResponseStatus; }
const nsString& ContentType() const { return mContentType; }
uint8_t RedirectCountReal() const { return mRedirectCount; }
uint8_t GetRedirectCount() const;
bool AllRedirectsSameOrigin() const { return mAllRedirectsSameOrigin; }
// Cached result of CheckBodyInfoAccessAllowedForOrigin.
nsITimedChannel::BodyInfoAccess BodyInfoAccessAllowed() const {
return mBodyInfoAccessAllowed;
}
// Cached result of CheckTimingAllowedForOrigin. If false, security sensitive
// attributes of the resourceTiming object will be set to 0
bool TimingAllowed() const { return mTimingAllowed; }
nsTArray<nsCOMPtr<nsIServerTiming>> GetServerTiming();
protected:
void SetCacheablePropertiesFromHttpChannel(nsIHttpChannel* aHttpChannel,
nsITimedChannel* aChannel);
private:
// Checks if the bodyInfo for Resource and Navigation Timing should be
// kept opaque or exposed, per Fetch spec.
nsITimedChannel::BodyInfoAccess CheckBodyInfoAccessAllowedForOrigin(
nsIHttpChannel* aResourceChannel, nsITimedChannel* aChannel);
// Checks if the resource is either same origin as the page that started
// the load, or if the response contains the Timing-Allow-Origin header
// with a value of * or matching the domain of the loading Principal
bool CheckTimingAllowedForOrigin(nsIHttpChannel* aResourceChannel,
nsITimedChannel* aChannel);
protected:
uint64_t mEncodedBodySize = 0;
uint64_t mDecodedBodySize = 0;
uint16_t mResponseStatus = 0;
uint8_t mRedirectCount = 0;
nsITimedChannel::BodyInfoAccess mBodyInfoAccessAllowed =
nsITimedChannel::BodyInfoAccess::DISALLOWED;
bool mAllRedirectsSameOrigin = false;
bool mAllRedirectsPassTAO = false;
bool mSecureConnection = false;
bool mTimingAllowed = false;
bool mInitialized = false;
nsString mNextHopProtocol;
nsString mContentType;
nsTArray<nsCOMPtr<nsIServerTiming>> mServerTiming;
};
} // namespace mozilla::dom
#endif // mozilla_dom_CacheablePerformanceTimingData_h
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