Macintosh-SW
/
tenfourfox
mirror of https://github.com/classilla/tenfourfox.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
tenfourfox/netwerk/base/nsChannelClassifier.cpp

654 lines
22 KiB
C++
Raw Permalink Blame History

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 sts=2 ts=8 et 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 "nsChannelClassifier.h"
#include "mozIThirdPartyUtil.h"
#include "nsContentUtils.h"
#include "nsICacheEntry.h"
#include "nsICachingChannel.h"
#include "nsIChannel.h"
#include "nsIDocShell.h"
#include "nsIDocument.h"
#include "nsIDOMDocument.h"
#include "nsIDOMWindow.h"
#include "nsIHttpChannelInternal.h"
#include "nsIIOService.h"
#include "nsIParentChannel.h"
#include "nsIPermissionManager.h"
#include "nsIPrivateBrowsingTrackingProtectionWhitelist.h"
#include "nsIProtocolHandler.h"
#include "nsIScriptError.h"
#include "nsIScriptSecurityManager.h"
#include "nsISecureBrowserUI.h"
#include "nsISecurityEventSink.h"
#include "nsIURL.h"
#include "nsIWebProgressListener.h"
#include "nsPIDOMWindow.h"
#include "nsXULAppAPI.h"
#include "mozilla/ErrorNames.h"
#include "mozilla/Logging.h"
#include "mozilla/Preferences.h"
using mozilla::ArrayLength;
using mozilla::Preferences;
//
// NSPR_LOG_MODULES=nsChannelClassifier:5
//
static mozilla::LazyLogModule gChannelClassifierLog("nsChannelClassifier");
#undef LOG
#define LOG(args) MOZ_LOG(gChannelClassifierLog, mozilla::LogLevel::Debug, args)
#define LOG_ENABLED() MOZ_LOG_TEST(gChannelClassifierLog, mozilla::LogLevel::Debug)
NS_IMPL_ISUPPORTS(nsChannelClassifier,
nsIURIClassifierCallback)
nsChannelClassifier::nsChannelClassifier()
: mIsAllowListed(false),
mSuspendedChannel(false)
{
}
nsresult
nsChannelClassifier::ShouldEnableTrackingProtection(nsIChannel *aChannel,
bool *result)
{
// Should only be called in the parent process.
MOZ_ASSERT(XRE_IsParentProcess());
NS_ENSURE_ARG(result);
*result = false;
if (!Preferences::GetBool("privacy.trackingprotection.enabled", false) &&
(!Preferences::GetBool("privacy.trackingprotection.pbmode.enabled",
false) || !NS_UsePrivateBrowsing(aChannel))) {
return NS_OK;
}
nsresult rv;
nsCOMPtr<mozIThirdPartyUtil> thirdPartyUtil =
do_GetService(THIRDPARTYUTIL_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIHttpChannelInternal> chan = do_QueryInterface(aChannel, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIURI> topWinURI;
rv = chan->GetTopWindowURI(getter_AddRefs(topWinURI));
NS_ENSURE_SUCCESS(rv, rv);
if (!topWinURI) {
LOG(("nsChannelClassifier[%p]: No window URI\n", this));
}
nsCOMPtr<nsIURI> chanURI;
rv = aChannel->GetURI(getter_AddRefs(chanURI));
NS_ENSURE_SUCCESS(rv, rv);
// Third party checks don't work for chrome:// URIs in mochitests, so just
// default to isThirdParty = true. We check isThirdPartyWindow to expand
// the list of domains that are considered first party (e.g., if
// facebook.com includes an iframe from fatratgames.com, all subsources
// included in that iframe are considered third-party with
// isThirdPartyChannel, even if they are not third-party w.r.t.
// facebook.com), and isThirdPartyChannel to prevent top-level navigations
// from being detected as third-party.
bool isThirdPartyChannel = true;
bool isThirdPartyWindow = true;
thirdPartyUtil->IsThirdPartyURI(chanURI, topWinURI, &isThirdPartyWindow);
thirdPartyUtil->IsThirdPartyChannel(aChannel, nullptr, &isThirdPartyChannel);
if (!isThirdPartyWindow || !isThirdPartyChannel) {
*result = false;
if (LOG_ENABLED()) {
nsAutoCString spec;
chanURI->GetSpec(spec);
LOG(("nsChannelClassifier[%p]: Skipping tracking protection checks "
"for first party or top-level load channel[%p] with uri %s",
this, aChannel, spec.get()));
}
return NS_OK;
}
nsCOMPtr<nsIIOService> ios = do_GetService(NS_IOSERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
const char ALLOWLIST_EXAMPLE_PREF[] = "channelclassifier.allowlist_example";
if (!topWinURI && Preferences::GetBool(ALLOWLIST_EXAMPLE_PREF, false)) {
LOG(("nsChannelClassifier[%p]: Allowlisting test domain\n", this));
rv = ios->NewURI(NS_LITERAL_CSTRING("http://allowlisted.example.com"),
nullptr, nullptr, getter_AddRefs(topWinURI));
NS_ENSURE_SUCCESS(rv, rv);
}
// Take the host/port portion so we can allowlist by site. Also ignore the
// scheme, since users who put sites on the allowlist probably don't expect
// allowlisting to depend on scheme.
nsCOMPtr<nsIURL> url = do_QueryInterface(topWinURI, &rv);
if (NS_FAILED(rv)) {
return rv; // normal for some loads, no need to print a warning
}
nsCString escaped(NS_LITERAL_CSTRING("https://"));
nsAutoCString temp;
rv = url->GetHostPort(temp);
NS_ENSURE_SUCCESS(rv, rv);
escaped.Append(temp);
// Stuff the whole thing back into a URI for the permission manager.
rv = ios->NewURI(escaped, nullptr, nullptr, getter_AddRefs(topWinURI));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPermissionManager> permMgr =
do_GetService(NS_PERMISSIONMANAGER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
uint32_t permissions = nsIPermissionManager::UNKNOWN_ACTION;
rv = permMgr->TestPermission(topWinURI, "trackingprotection", &permissions);
NS_ENSURE_SUCCESS(rv, rv);
if (permissions == nsIPermissionManager::ALLOW_ACTION) {
LOG(("nsChannelClassifier[%p]: Allowlisting channel[%p] for %s", this,
aChannel, escaped.get()));
mIsAllowListed = true;
*result = false;
} else {
*result = true;
}
// In Private Browsing Mode we also check against an in-memory list.
if (NS_UsePrivateBrowsing(aChannel)) {
nsCOMPtr<nsIPrivateBrowsingTrackingProtectionWhitelist> pbmtpWhitelist =
do_GetService(NS_PBTRACKINGPROTECTIONWHITELIST_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
bool exists = false;
rv = pbmtpWhitelist->ExistsInAllowList(topWinURI, &exists);
NS_ENSURE_SUCCESS(rv, rv);
if (exists) {
mIsAllowListed = true;
LOG(("nsChannelClassifier[%p]: Allowlisting channel[%p] in PBM for %s",
this, aChannel, escaped.get()));
}
*result = !exists;
}
// Tracking protection will be enabled so return without updating
// the security state. If any channels are subsequently cancelled
// (page elements blocked) the state will be then updated.
if (*result) {
if (LOG_ENABLED()) {
nsAutoCString topspec, spec;
topWinURI->GetSpec(topspec);
chanURI->GetSpec(spec);
LOG(("nsChannelClassifier[%p]: Enabling tracking protection checks on "
"channel[%p] with uri %s for toplevel window %s", this, aChannel,
spec.get(), topspec.get()));
}
return NS_OK;
}
// Tracking protection will be disabled so update the security state
// of the document and fire a secure change event. If we can't get the
// window for the channel, then the shield won't show up so we can't send
// an event to the securityUI anyway.
return NotifyTrackingProtectionDisabled(aChannel);
}
// static
nsresult
nsChannelClassifier::NotifyTrackingProtectionDisabled(nsIChannel *aChannel)
{
// Can be called in EITHER the parent or child process.
nsCOMPtr<nsIParentChannel> parentChannel;
NS_QueryNotificationCallbacks(aChannel, parentChannel);
if (parentChannel) {
// This channel is a parent-process proxy for a child process request.
// Tell the child process channel to do this instead.
parentChannel->NotifyTrackingProtectionDisabled();
return NS_OK;
}
nsresult rv;
nsCOMPtr<mozIThirdPartyUtil> thirdPartyUtil =
do_GetService(THIRDPARTYUTIL_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDOMWindow> win;
rv = thirdPartyUtil->GetTopWindowForChannel(aChannel, getter_AddRefs(win));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsPIDOMWindow> pwin = do_QueryInterface(win, &rv);
NS_ENSURE_SUCCESS(rv, NS_OK);
nsCOMPtr<nsIDocShell> docShell = pwin->GetDocShell();
if (!docShell) {
return NS_OK;
}
nsCOMPtr<nsIDocument> doc = do_GetInterface(docShell, &rv);
NS_ENSURE_SUCCESS(rv, NS_OK);
// Notify nsIWebProgressListeners of this security event.
// Can be used to change the UI state.
nsCOMPtr<nsISecurityEventSink> eventSink = do_QueryInterface(docShell, &rv);
NS_ENSURE_SUCCESS(rv, NS_OK);
uint32_t state = 0;
nsCOMPtr<nsISecureBrowserUI> securityUI;
docShell->GetSecurityUI(getter_AddRefs(securityUI));
if (!securityUI) {
return NS_OK;
}
doc->SetHasTrackingContentLoaded(true);
securityUI->GetState(&state);
state |= nsIWebProgressListener::STATE_LOADED_TRACKING_CONTENT;
eventSink->OnSecurityChange(nullptr, state);
return NS_OK;
}
void
nsChannelClassifier::Start(nsIChannel *aChannel)
{
mChannel = aChannel;
nsresult rv = StartInternal();
if (NS_FAILED(rv)) {
// If we aren't getting a callback for any reason, assume a good verdict and
// make sure we resume the channel if necessary.
OnClassifyComplete(NS_OK);
}
}
nsresult
nsChannelClassifier::StartInternal()
{
// Should only be called in the parent process.
MOZ_ASSERT(XRE_IsParentProcess());
// Don't bother to run the classifier on a load that has already failed.
// (this might happen after a redirect)
nsresult status;
mChannel->GetStatus(&status);
if (NS_FAILED(status))
return status;
// Don't bother to run the classifier on a cached load that was
// previously classified as good.
if (HasBeenClassified(mChannel)) {
return NS_ERROR_UNEXPECTED;
}
nsCOMPtr<nsIURI> uri;
nsresult rv = mChannel->GetURI(getter_AddRefs(uri));
NS_ENSURE_SUCCESS(rv, rv);
// Don't bother checking certain types of URIs.
bool hasFlags;
rv = NS_URIChainHasFlags(uri,
nsIProtocolHandler::URI_DANGEROUS_TO_LOAD,
&hasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (hasFlags) return NS_ERROR_UNEXPECTED;
rv = NS_URIChainHasFlags(uri,
nsIProtocolHandler::URI_IS_LOCAL_FILE,
&hasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (hasFlags) return NS_ERROR_UNEXPECTED;
rv = NS_URIChainHasFlags(uri,
nsIProtocolHandler::URI_IS_UI_RESOURCE,
&hasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (hasFlags) return NS_ERROR_UNEXPECTED;
rv = NS_URIChainHasFlags(uri,
nsIProtocolHandler::URI_IS_LOCAL_RESOURCE,
&hasFlags);
NS_ENSURE_SUCCESS(rv, rv);
if (hasFlags) return NS_ERROR_UNEXPECTED;
nsCOMPtr<nsIURIClassifier> uriClassifier =
do_GetService(NS_URICLASSIFIERSERVICE_CONTRACTID, &rv);
if (rv == NS_ERROR_FACTORY_NOT_REGISTERED ||
rv == NS_ERROR_NOT_AVAILABLE) {
// no URI classifier, ignore this failure.
return NS_ERROR_NOT_AVAILABLE;
}
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIScriptSecurityManager> securityManager =
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPrincipal> principal;
rv = securityManager->GetChannelURIPrincipal(mChannel, getter_AddRefs(principal));
NS_ENSURE_SUCCESS(rv, rv);
bool expectCallback;
bool trackingProtectionEnabled = false;
(void)ShouldEnableTrackingProtection(mChannel, &trackingProtectionEnabled);
if (LOG_ENABLED()) {
nsAutoCString uriSpec, principalSpec;
uri->GetSpec(uriSpec);
nsCOMPtr<nsIURI> principalURI;
principal->GetURI(getter_AddRefs(principalURI));
principalURI->GetSpec(principalSpec);
LOG(("nsChannelClassifier[%p]: Classifying principal %s on channel with "
"uri %s", this, principalSpec.get(), uriSpec.get()));
}
rv = uriClassifier->Classify(principal, trackingProtectionEnabled, this,
&expectCallback);
if (NS_FAILED(rv)) {
return rv;
}
if (expectCallback) {
// Suspend the channel, it will be resumed when we get the classifier
// callback.
rv = mChannel->Suspend();
if (NS_FAILED(rv)) {
// Some channels (including nsJSChannel) fail on Suspend. This
// shouldn't be fatal, but will prevent malware from being
// blocked on these channels.
LOG(("nsChannelClassifier[%p]: Couldn't suspend channel", this));
return rv;
}
mSuspendedChannel = true;
LOG(("nsChannelClassifier[%p]: suspended channel %p",
this, mChannel.get()));
} else {
LOG(("nsChannelClassifier[%p]: not expecting callback", this));
return NS_ERROR_FAILURE;
}
return NS_OK;
}
// Note in the cache entry that this URL was classified, so that future
// cached loads don't need to be checked.
void
nsChannelClassifier::MarkEntryClassified(nsresult status)
{
// Should only be called in the parent process.
MOZ_ASSERT(XRE_IsParentProcess());
// Don't cache tracking classifications because we support allowlisting.
if (status == NS_ERROR_TRACKING_URI || mIsAllowListed) {
return;
}
nsCOMPtr<nsICachingChannel> cachingChannel = do_QueryInterface(mChannel);
if (!cachingChannel) {
return;
}
nsCOMPtr<nsISupports> cacheToken;
cachingChannel->GetCacheToken(getter_AddRefs(cacheToken));
if (!cacheToken) {
return;
}
nsCOMPtr<nsICacheEntry> cacheEntry =
do_QueryInterface(cacheToken);
if (!cacheEntry) {
return;
}
cacheEntry->SetMetaDataElement("necko:classified",
NS_SUCCEEDED(status) ? "1" : nullptr);
}
bool
nsChannelClassifier::HasBeenClassified(nsIChannel *aChannel)
{
// Should only be called in the parent process.
MOZ_ASSERT(XRE_IsParentProcess());
nsCOMPtr<nsICachingChannel> cachingChannel =
do_QueryInterface(aChannel);
if (!cachingChannel) {
return false;
}
// Only check the tag if we are loading from the cache without
// validation.
bool fromCache;
if (NS_FAILED(cachingChannel->IsFromCache(&fromCache)) || !fromCache) {
return false;
}
nsCOMPtr<nsISupports> cacheToken;
cachingChannel->GetCacheToken(getter_AddRefs(cacheToken));
if (!cacheToken) {
return false;
}
nsCOMPtr<nsICacheEntry> cacheEntry =
do_QueryInterface(cacheToken);
if (!cacheEntry) {
return false;
}
nsXPIDLCString tag;
cacheEntry->GetMetaDataElement("necko:classified", getter_Copies(tag));
return tag.EqualsLiteral("1");
}
//static
bool
nsChannelClassifier::SameLoadingURI(nsIDocument *aDoc, nsIChannel *aChannel)
{
nsCOMPtr<nsIURI> docURI = aDoc->GetDocumentURI();
nsCOMPtr<nsILoadInfo> channelLoadInfo = aChannel->GetLoadInfo();
if (!channelLoadInfo || !docURI) {
return false;
}
nsCOMPtr<nsIPrincipal> channelLoadingPrincipal = channelLoadInfo->LoadingPrincipal();
if (!channelLoadingPrincipal) {
return false;
}
nsCOMPtr<nsIURI> channelLoadingURI;
channelLoadingPrincipal->GetURI(getter_AddRefs(channelLoadingURI));
if (!channelLoadingURI) {
return false;
}
bool equals = false;
nsresult rv = docURI->EqualsExceptRef(channelLoadingURI, &equals);
return NS_SUCCEEDED(rv) && equals;
}
// static
nsresult
nsChannelClassifier::SetBlockedTrackingContent(nsIChannel *channel)
{
// Can be called in EITHER the parent or child process.
nsCOMPtr<nsIParentChannel> parentChannel;
NS_QueryNotificationCallbacks(channel, parentChannel);
if (parentChannel) {
// This channel is a parent-process proxy for a child process request. The
// actual channel will be notified via the status passed to
// nsIRequest::Cancel and do this for us.
return NS_OK;
}
nsresult rv;
nsCOMPtr<nsIDOMWindow> win;
nsCOMPtr<mozIThirdPartyUtil> thirdPartyUtil =
do_GetService(THIRDPARTYUTIL_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, NS_OK);
rv = thirdPartyUtil->GetTopWindowForChannel(channel, getter_AddRefs(win));
NS_ENSURE_SUCCESS(rv, NS_OK);
nsCOMPtr<nsPIDOMWindow> pwin = do_QueryInterface(win, &rv);
NS_ENSURE_SUCCESS(rv, NS_OK);
nsCOMPtr<nsIDocShell> docShell = pwin->GetDocShell();
if (!docShell) {
return NS_OK;
}
nsCOMPtr<nsIDocument> doc = do_GetInterface(docShell, &rv);
NS_ENSURE_SUCCESS(rv, NS_OK);
// This event might come after the user has navigated to another page.
// To prevent showing the TrackingProtection UI on the wrong page, we need to
// check that the loading URI for the channel is the same as the URI currently
// loaded in the document.
if (!SameLoadingURI(doc, channel)) {
return NS_OK;
}
// Notify nsIWebProgressListeners of this security event.
// Can be used to change the UI state.
nsCOMPtr<nsISecurityEventSink> eventSink = do_QueryInterface(docShell, &rv);
NS_ENSURE_SUCCESS(rv, NS_OK);
uint32_t state = 0;
nsCOMPtr<nsISecureBrowserUI> securityUI;
docShell->GetSecurityUI(getter_AddRefs(securityUI));
if (!securityUI) {
return NS_OK;
}
doc->SetHasTrackingContentBlocked(true);
securityUI->GetState(&state);
state |= nsIWebProgressListener::STATE_BLOCKED_TRACKING_CONTENT;
eventSink->OnSecurityChange(nullptr, state);
// Log a warning to the web console.
nsCOMPtr<nsIURI> uri;
channel->GetURI(getter_AddRefs(uri));
nsCString utf8spec;
uri->GetSpec(utf8spec);
NS_ConvertUTF8toUTF16 spec(utf8spec);
const char16_t* params[] = { spec.get() };
nsContentUtils::ReportToConsole(nsIScriptError::warningFlag,
NS_LITERAL_CSTRING("Tracking Protection"),
doc,
nsContentUtils::eNECKO_PROPERTIES,
"TrackingUriBlocked",
params, ArrayLength(params));
return NS_OK;
}
nsresult
nsChannelClassifier::IsTrackerWhitelisted()
{
nsresult rv;
nsCOMPtr<nsIURIClassifier> uriClassifier =
do_GetService(NS_URICLASSIFIERSERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString tables;
Preferences::GetCString("urlclassifier.trackingWhitelistTable", &tables);
if (tables.IsEmpty()) {
LOG(("nsChannelClassifier[%p]:IsTrackerWhitelisted whitelist disabled",
this));
return NS_ERROR_TRACKING_URI;
}
nsCOMPtr<nsIHttpChannelInternal> chan = do_QueryInterface(mChannel, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIURI> topWinURI;
rv = chan->GetTopWindowURI(getter_AddRefs(topWinURI));
NS_ENSURE_SUCCESS(rv, rv);
if (!topWinURI) {
LOG(("nsChannelClassifier[%p]: No window URI", this));
return NS_ERROR_TRACKING_URI;
}
nsCOMPtr<nsIScriptSecurityManager> securityManager =
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPrincipal> chanPrincipal;
rv = securityManager->GetChannelURIPrincipal(mChannel,
getter_AddRefs(chanPrincipal));
NS_ENSURE_SUCCESS(rv, rv);
// Craft a whitelist URL like "toplevel.page/?resource=third.party.domain"
nsAutoCString pageHostname, resourceDomain;
rv = topWinURI->GetHost(pageHostname);
NS_ENSURE_SUCCESS(rv, rv);
rv = chanPrincipal->GetBaseDomain(resourceDomain);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString whitelistEntry = NS_LITERAL_CSTRING("http://") +
pageHostname + NS_LITERAL_CSTRING("/?resource=") + resourceDomain;
LOG(("nsChannelClassifier[%p]: Looking for %s in the whitelist",
this, whitelistEntry.get()));
nsCOMPtr<nsIURI> whitelistURI;
rv = NS_NewURI(getter_AddRefs(whitelistURI), whitelistEntry);
NS_ENSURE_SUCCESS(rv, rv);
// Check whether or not the tracker is in the entity whitelist
nsAutoCString results;
rv = uriClassifier->ClassifyLocalWithTables(whitelistURI, tables, results);
NS_ENSURE_SUCCESS(rv, rv);
if (!results.IsEmpty()) {
return NS_OK; // found it on the whitelist, must not be blocked
}
LOG(("nsChannelClassifier[%p]: %s is not in the whitelist",
this, whitelistEntry.get()));
return NS_ERROR_TRACKING_URI;
}
NS_IMETHODIMP
nsChannelClassifier::OnClassifyComplete(nsresult aErrorCode)
{
// Should only be called in the parent process.
MOZ_ASSERT(XRE_IsParentProcess());
if (aErrorCode == NS_ERROR_TRACKING_URI &&
NS_SUCCEEDED(IsTrackerWhitelisted())) {
LOG(("nsChannelClassifier[%p]:OnClassifyComplete tracker found "
"in whitelist so we won't block it", this));
aErrorCode = NS_OK;
}
if (mSuspendedChannel) {
nsAutoCString errorName;
if (LOG_ENABLED()) {
mozilla::GetErrorName(aErrorCode, errorName);
LOG(("nsChannelClassifier[%p]:OnClassifyComplete %s (suspended channel)",
this, errorName.get()));
}
MarkEntryClassified(aErrorCode);
if (NS_FAILED(aErrorCode)) {
if (LOG_ENABLED()) {
nsCOMPtr<nsIURI> uri;
mChannel->GetURI(getter_AddRefs(uri));
nsAutoCString spec;
uri->GetSpec(spec);
LOG(("nsChannelClassifier[%p]: cancelling channel %p for %s "
"with error code %s", this, mChannel.get(),
spec.get(), errorName.get()));
}
// Channel will be cancelled (page element blocked) due to tracking.
// Do update the security state of the document and fire a security
// change event.
if (aErrorCode == NS_ERROR_TRACKING_URI) {
SetBlockedTrackingContent(mChannel);
}
mChannel->Cancel(aErrorCode);
}
LOG(("nsChannelClassifier[%p]: resuming channel %p from "
"OnClassifyComplete", this, mChannel.get()));
mChannel->Resume();
}
mChannel = nullptr;
return NS_OK;
}
Reference in New Issue View Git Blame Copy Permalink