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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 "PrivateAttribution.h"
#include "mozilla/Components.h"
#include "mozilla/StaticPrefs_datareporting.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/PrivateAttributionBinding.h"
#include "nsIGlobalObject.h"
#include "nsIPrivateAttributionService.h"
#include "nsURLHelper.h"
#include "nsXULAppAPI.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PrivateAttribution, mOwner)
PrivateAttribution::PrivateAttribution(nsIGlobalObject* aGlobal)
: mOwner(aGlobal) {
MOZ_ASSERT(aGlobal);
}
JSObject* PrivateAttribution::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return PrivateAttribution_Binding::Wrap(aCx, this, aGivenProto);
}
PrivateAttribution::~PrivateAttribution() = default;
bool PrivateAttribution::ShouldRecord() {
#ifdef MOZ_TELEMETRY_REPORTING
return (StaticPrefs::dom_private_attribution_submission_enabled() &&
StaticPrefs::datareporting_healthreport_uploadEnabled());
#else
return false;
#endif
}
bool PrivateAttribution::GetSourceHostIfNonPrivate(nsACString& aSourceHost,
ErrorResult& aRv) {
MOZ_ASSERT(mOwner);
nsIPrincipal* prin = mOwner->PrincipalOrNull();
if (!prin || NS_FAILED(prin->GetHost(aSourceHost))) {
aRv.ThrowInvalidStateError("Couldn't get source host");
return false;
}
return !prin->GetIsInPrivateBrowsing();
}
[[nodiscard]] static bool ValidateHost(const nsACString& aHost,
ErrorResult& aRv) {
if (!net_IsValidDNSHost(aHost)) {
aRv.ThrowSyntaxError(aHost + " is not a valid host name"_ns);
return false;
}
return true;
}
void PrivateAttribution::SaveImpression(
const PrivateAttributionImpressionOptions& aOptions, ErrorResult& aRv) {
nsAutoCString source;
if (!GetSourceHostIfNonPrivate(source, aRv)) {
return;
}
if (!ValidateHost(aOptions.mTarget, aRv)) {
return;
}
if (!ShouldRecord()) {
return;
}
if (XRE_IsParentProcess()) {
nsCOMPtr<nsIPrivateAttributionService> pa =
components::PrivateAttribution::Service();
if (NS_WARN_IF(!pa)) {
return;
}
pa->OnAttributionEvent(source, GetEnumString(aOptions.mType),
aOptions.mIndex, aOptions.mAd, aOptions.mTarget);
return;
}
auto* content = ContentChild::GetSingleton();
if (NS_WARN_IF(!content)) {
return;
}
content->SendAttributionEvent(source, aOptions.mType, aOptions.mIndex,
aOptions.mAd, aOptions.mTarget);
}
void PrivateAttribution::MeasureConversion(
const PrivateAttributionConversionOptions& aOptions, ErrorResult& aRv) {
nsAutoCString source;
if (!GetSourceHostIfNonPrivate(source, aRv)) {
return;
}
for (const nsACString& host : aOptions.mSources) {
if (!ValidateHost(host, aRv)) {
return;
}
}
if (!ShouldRecord()) {
return;
}
if (XRE_IsParentProcess()) {
nsCOMPtr<nsIPrivateAttributionService> pa =
components::PrivateAttribution::Service();
if (NS_WARN_IF(!pa)) {
return;
}
pa->OnAttributionConversion(
source, aOptions.mTask, aOptions.mHistogramSize,
aOptions.mLookbackDays.WasPassed() ? aOptions.mLookbackDays.Value() : 0,
aOptions.mImpression.WasPassed()
? GetEnumString(aOptions.mImpression.Value())
: EmptyCString(),
aOptions.mAds, aOptions.mSources);
return;
}
auto* content = ContentChild::GetSingleton();
if (NS_WARN_IF(!content)) {
return;
}
content->SendAttributionConversion(
source, aOptions.mTask, aOptions.mHistogramSize,
aOptions.mLookbackDays.WasPassed() ? Some(aOptions.mLookbackDays.Value())
: Nothing(),
aOptions.mImpression.WasPassed() ? Some(aOptions.mImpression.Value())
: Nothing(),
aOptions.mAds, aOptions.mSources);
}
} // namespace mozilla::dom
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