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Bug 1951017 - Dispatch nsRFPService::MaybeReportFontFingerprinter() to the main thread. a=pascalc

Browse source 
Original Revision: https://phabricator.services.mozilla.com/D240306

Differential Revision: https://phabricator.services.mozilla.com/D241048
This commit is contained in:
Tim Huang 2025-03-12 07:34:39 +00:00
parent 1c991445bc
commit 3298ef52f1
2 changed files with 16 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

16
toolkit/components/resistfingerprinting/nsRFPService.cpp
View file

@ -1823,11 +1823,25 @@ static void MaybeCurrentCaller(nsACString& aFilename, uint32_t& aLineNum,
}
/* static */ void nsRFPService::MaybeReportFontFingerprinter(
nsIChannel* aChannel, nsACString& aOriginNoSuffix) {
nsIChannel* aChannel, const nsACString& aOriginNoSuffix) {
if (!aChannel) {
return;
}
// The logging of the event will access nsLoadGroup which is main-thread only.
// So we need to dispatch the task to the main thread if we are reporting
// the event off-main-thread.
if (!NS_IsMainThread()) {
NS_DispatchToMainThread(NS_NewRunnableFunction(
"nsRFPService::MaybeReportFontFingerprinter",
[channel = nsCOMPtr{aChannel},
originNoSuffix = nsCString(aOriginNoSuffix)]() {
nsRFPService::MaybeReportFontFingerprinter(channel, originNoSuffix);
}));
return;
}
if (MOZ_LOG_TEST(gFingerprinterDetection, LogLevel::Info)) {
nsAutoCString filename;
uint32_t lineNum = 0;

2
toolkit/components/resistfingerprinting/nsRFPService.h
View file

@ -358,7 +358,7 @@ class nsRFPService final : public nsIObserver, public nsIRFPService {
nsACString& aOriginNoSuffix);
static void MaybeReportFontFingerprinter(nsIChannel* aChannel,
nsACString& aOriginNoSuffix);
const nsACString& aOriginNoSuffix);
// --------------------------------------------------------------------------