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-rw-r--r--netwerk/url-classifier/UrlClassifierFeatureFingerprintingAnnotation.cpp178
1 files changed, 178 insertions, 0 deletions
diff --git a/netwerk/url-classifier/UrlClassifierFeatureFingerprintingAnnotation.cpp b/netwerk/url-classifier/UrlClassifierFeatureFingerprintingAnnotation.cpp
new file mode 100644
index 0000000000..e5cd9a65f7
--- /dev/null
+++ b/netwerk/url-classifier/UrlClassifierFeatureFingerprintingAnnotation.cpp
@@ -0,0 +1,178 @@
+/* -*- 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 "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