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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
#include "UrlClassifierFeatureFingerprintingAnnotation.h"
#include "mozilla/net/UrlClassifierCommon.h"
#include "nsIClassifiedChannel.h"
#include "nsContentUtils.h"
#include "nsNetUtil.h"
#include "mozilla/StaticPtr.h"
#include "nsIWebProgressListener.h"
#include "nsIChannel.h"
namespace mozilla {
namespace net {
namespace {
#define FINGERPRINTING_ANNOTATION_FEATURE_NAME "fingerprinting-annotation"
#define URLCLASSIFIER_FINGERPRINTING_ANNOTATION_BLOCKLIST \
"urlclassifier.features.fingerprinting.annotate.blacklistTables"
#define URLCLASSIFIER_FINGERPRINTING_ANNOTATION_BLOCKLIST_TEST_ENTRIES \
"urlclassifier.features.fingerprinting.annotate.blacklistHosts"
#define URLCLASSIFIER_FINGERPRINTING_ANNOTATION_ENTITYLIST \
"urlclassifier.features.fingerprinting.annotate.whitelistTables"
#define URLCLASSIFIER_FINGERPRINTING_ANNOTATION_ENTITYLIST_TEST_ENTRIES \
"urlclassifier.features.fingerprinting.annotate.whitelistHosts"
#define URLCLASSIFIER_FINGERPRINTING_ANNOTATION_EXCEPTION_URLS \
"urlclassifier.features.fingerprinting.annotate.skipURLs"
#define TABLE_FINGERPRINTING_ANNOTATION_BLOCKLIST_PREF \
"fingerprinting-annotate-blacklist-pref"
#define TABLE_FINGERPRINTING_ANNOTATION_ENTITYLIST_PREF \
"fingerprinting-annotate-whitelist-pref"
StaticRefPtr<UrlClassifierFeatureFingerprintingAnnotation>
gFeatureFingerprintingAnnotation;
} // namespace
UrlClassifierFeatureFingerprintingAnnotation::
UrlClassifierFeatureFingerprintingAnnotation()
: UrlClassifierFeatureAntiTrackingBase(
nsLiteralCString(FINGERPRINTING_ANNOTATION_FEATURE_NAME),
nsLiteralCString(URLCLASSIFIER_FINGERPRINTING_ANNOTATION_BLOCKLIST),
nsLiteralCString(URLCLASSIFIER_FINGERPRINTING_ANNOTATION_ENTITYLIST),
nsLiteralCString(
URLCLASSIFIER_FINGERPRINTING_ANNOTATION_BLOCKLIST_TEST_ENTRIES),
nsLiteralCString(
URLCLASSIFIER_FINGERPRINTING_ANNOTATION_ENTITYLIST_TEST_ENTRIES),
nsLiteralCString(TABLE_FINGERPRINTING_ANNOTATION_BLOCKLIST_PREF),
nsLiteralCString(TABLE_FINGERPRINTING_ANNOTATION_ENTITYLIST_PREF),
nsLiteralCString(
URLCLASSIFIER_FINGERPRINTING_ANNOTATION_EXCEPTION_URLS)) {}
/* static */ const char* UrlClassifierFeatureFingerprintingAnnotation::Name() {
return FINGERPRINTING_ANNOTATION_FEATURE_NAME;
}
/* static */
void UrlClassifierFeatureFingerprintingAnnotation::MaybeInitialize() {
UC_LOG_LEAK(
("UrlClassifierFeatureFingerprintingAnnotation::MaybeInitialize"));
if (!gFeatureFingerprintingAnnotation) {
gFeatureFingerprintingAnnotation =
new UrlClassifierFeatureFingerprintingAnnotation();
gFeatureFingerprintingAnnotation->InitializePreferences();
}
}
/* static */
void UrlClassifierFeatureFingerprintingAnnotation::MaybeShutdown() {
UC_LOG_LEAK(("UrlClassifierFeatureFingerprintingAnnotation::MaybeShutdown"));
if (gFeatureFingerprintingAnnotation) {
gFeatureFingerprintingAnnotation->ShutdownPreferences();
gFeatureFingerprintingAnnotation = nullptr;
}
}
/* static */
already_AddRefed<UrlClassifierFeatureFingerprintingAnnotation>
UrlClassifierFeatureFingerprintingAnnotation::MaybeCreate(
nsIChannel* aChannel) {
MOZ_ASSERT(aChannel);
UC_LOG_LEAK(
("UrlClassifierFeatureFingerprintingAnnotation::MaybeCreate - channel %p",
aChannel));
if (UrlClassifierCommon::IsPassiveContent(aChannel)) {
return nullptr;
}
MaybeInitialize();
MOZ_ASSERT(gFeatureFingerprintingAnnotation);
RefPtr<UrlClassifierFeatureFingerprintingAnnotation> self =
gFeatureFingerprintingAnnotation;
return self.forget();
}
/* static */
already_AddRefed<nsIUrlClassifierFeature>
UrlClassifierFeatureFingerprintingAnnotation::GetIfNameMatches(
const nsACString& aName) {
if (!aName.EqualsLiteral(FINGERPRINTING_ANNOTATION_FEATURE_NAME)) {
return nullptr;
}
MaybeInitialize();
MOZ_ASSERT(gFeatureFingerprintingAnnotation);
RefPtr<UrlClassifierFeatureFingerprintingAnnotation> self =
gFeatureFingerprintingAnnotation;
return self.forget();
}
NS_IMETHODIMP
UrlClassifierFeatureFingerprintingAnnotation::ProcessChannel(
nsIChannel* aChannel, const nsTArray<nsCString>& aList,
const nsTArray<nsCString>& aHashes, bool* aShouldContinue) {
NS_ENSURE_ARG_POINTER(aChannel);
NS_ENSURE_ARG_POINTER(aShouldContinue);
// This is not a blocking feature.
*aShouldContinue = true;
UC_LOG(
("UrlClassifierFeatureFingerprintingAnnotation::ProcessChannel - "
"annotating channel %p",
aChannel));
static std::vector<UrlClassifierCommon::ClassificationData>
sClassificationData = {
{"content-fingerprinting-track-"_ns,
nsIClassifiedChannel::ClassificationFlags::
CLASSIFIED_FINGERPRINTING_CONTENT},
};
uint32_t flags = UrlClassifierCommon::TablesToClassificationFlags(
aList, sClassificationData,
nsIClassifiedChannel::ClassificationFlags::CLASSIFIED_FINGERPRINTING);
UrlClassifierCommon::SetTrackingInfo(aChannel, aList, aHashes);
UrlClassifierCommon::AnnotateChannel(
aChannel, flags,
nsIWebProgressListener::STATE_LOADED_FINGERPRINTING_CONTENT);
return NS_OK;
}
NS_IMETHODIMP
UrlClassifierFeatureFingerprintingAnnotation::GetURIByListType(
nsIChannel* aChannel, nsIUrlClassifierFeature::listType aListType,
nsIUrlClassifierFeature::URIType* aURIType, nsIURI** aURI) {
NS_ENSURE_ARG_POINTER(aChannel);
NS_ENSURE_ARG_POINTER(aURIType);
NS_ENSURE_ARG_POINTER(aURI);
if (aListType == nsIUrlClassifierFeature::blocklist) {
*aURIType = nsIUrlClassifierFeature::blocklistURI;
return aChannel->GetURI(aURI);
}
MOZ_ASSERT(aListType == nsIUrlClassifierFeature::entitylist);
*aURIType = nsIUrlClassifierFeature::pairwiseEntitylistURI;
return UrlClassifierCommon::CreatePairwiseEntityListURI(aChannel, aURI);
}
} // namespace net
} // namespace mozilla