gecko/netwerk/base/nsChannelClassifier.h

58 lines
2.0 KiB
C++

/* 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 nsChannelClassifier_h__
#define nsChannelClassifier_h__
#include "nsIURIClassifier.h"
#include "nsCOMPtr.h"
#include "mozilla/Attributes.h"
class nsIChannel;
class nsIHttpChannelInternal;
class nsIDocument;
class nsChannelClassifier final : public nsIURIClassifierCallback
{
public:
nsChannelClassifier();
NS_DECL_ISUPPORTS
NS_DECL_NSIURICLASSIFIERCALLBACK
// Calls nsIURIClassifier.Classify with the principal of the given channel,
// and cancels the channel on a bad verdict.
void Start(nsIChannel *aChannel);
// Whether or not tracking protection should be enabled on this channel.
nsresult ShouldEnableTrackingProtection(nsIChannel *aChannel, bool *result);
private:
// True if the channel is on the allow list.
bool mIsAllowListed;
// True if the channel has been suspended.
bool mSuspendedChannel;
nsCOMPtr<nsIChannel> mChannel;
~nsChannelClassifier() {}
// Caches good classifications for the channel principal.
void MarkEntryClassified(nsresult status);
bool HasBeenClassified(nsIChannel *aChannel);
// Helper function so that we ensure we call ContinueBeginConnect once
// Start is called. Returns NS_OK if and only if we will get a callback
// from the classifier service.
nsresult StartInternal();
// Helper function to check a tracking URI against the whitelist
nsresult IsTrackerWhitelisted();
// Checks that the channel was loaded by the URI currently loaded in aDoc
static bool SameLoadingURI(nsIDocument *aDoc, nsIChannel *aChannel);
public:
// If we are blocking tracking content, update the corresponding flag in
// the respective docshell and call nsISecurityEventSink::onSecurityChange.
static nsresult SetBlockedTrackingContent(nsIChannel *channel);
static nsresult NotifyTrackingProtectionDisabled(nsIChannel *aChannel);
};
#endif