98 lines
3.5 KiB
C++
98 lines
3.5 KiB
C++
/* -*- 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_contentblockingnotifier_h
|
|
#define mozilla_contentblockingnotifier_h
|
|
|
|
#include "nsStringFwd.h"
|
|
#include "mozilla/Maybe.h"
|
|
|
|
#define ANTITRACKING_CONSOLE_CATEGORY "Content Blocking"_ns
|
|
|
|
class nsIChannel;
|
|
class nsPIDOMWindowInner;
|
|
class nsPIDOMWindowOuter;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
class BrowsingContext;
|
|
} // namespace dom
|
|
|
|
class ContentBlockingNotifier final {
|
|
public:
|
|
enum class BlockingDecision {
|
|
eBlock,
|
|
eAllow,
|
|
};
|
|
enum StorageAccessPermissionGrantedReason {
|
|
eStorageAccessAPI,
|
|
eOpenerAfterUserInteraction,
|
|
eOpener,
|
|
ePrivilegeStorageAccessForOriginAPI,
|
|
};
|
|
|
|
// We try to classify observed canvas fingerprinting scripts into different
|
|
// classes, but we don't usually know the source/vendor of those scripts. The
|
|
// classification is based on a behavioral analysis, based on type of canvas,
|
|
// the extracted (e.g. toDataURL) size, the usage of functions like fillText
|
|
// etc. See `nsRFPService::MaybeReportCanvasFingerprinter` for the
|
|
// classification heuristic.
|
|
enum CanvasFingerprinter {
|
|
// Suspected fingerprint.com (FingerprintJS)
|
|
eFingerprintJS,
|
|
// Suspected Akamai fingerprinter
|
|
eAkamai,
|
|
// Unknown but distinct types of fingerprinters
|
|
eVariant1,
|
|
eVariant2,
|
|
eVariant3,
|
|
eVariant4,
|
|
// This just indicates that more than one canvas was extracted and is a
|
|
// very weak signal.
|
|
eMaybe
|
|
};
|
|
|
|
// This method can be called on the parent process or on the content process.
|
|
// The notification is propagated to the child channel if aChannel is a parent
|
|
// channel proxy.
|
|
//
|
|
// aDecision can be eBlock if we have decided to block some content, or eAllow
|
|
// if we have decided to allow the content through.
|
|
//
|
|
// aRejectedReason must be one of these values:
|
|
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_BY_PERMISSION
|
|
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_TRACKER
|
|
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_SOCIALTRACKER
|
|
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_ALL
|
|
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_FOREIGN
|
|
static void OnDecision(nsIChannel* aChannel, BlockingDecision aDecision,
|
|
uint32_t aRejectedReason);
|
|
|
|
static void OnDecision(nsPIDOMWindowInner* aWindow,
|
|
BlockingDecision aDecision, uint32_t aRejectedReason);
|
|
|
|
static void OnDecision(dom::BrowsingContext* aBrowsingContext,
|
|
BlockingDecision aDecision, uint32_t aRejectedReason);
|
|
|
|
static void OnEvent(nsIChannel* aChannel, uint32_t aRejectedReason,
|
|
bool aBlocked = true);
|
|
|
|
static void OnEvent(
|
|
nsIChannel* aChannel, bool aBlocked, uint32_t aRejectedReason,
|
|
const nsACString& aTrackingOrigin,
|
|
const ::mozilla::Maybe<StorageAccessPermissionGrantedReason>& aReason =
|
|
Nothing(),
|
|
const Maybe<CanvasFingerprinter>& aCanvasFingerprinter = Nothing(),
|
|
const Maybe<bool> aCanvasFingerprinterKnownText = Nothing());
|
|
|
|
static void ReportUnblockingToConsole(
|
|
dom::BrowsingContext* aBrowsingContext, const nsAString& aTrackingOrigin,
|
|
StorageAccessPermissionGrantedReason aReason);
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_contentblockingnotifier_h
|