commit 85898f8cdd7462c0a619d8b91ba293dc3afe399a Author: Matthew Finkel sysrqb@torproject.org Date: Sun Jun 6 20:32:23 2021 +0000

Bug 40475: Include clearing CORS preflight cache --- netwerk/protocol/http/nsCORSListenerProxy.cpp | 7 +++++++ netwerk/protocol/http/nsCORSListenerProxy.h | 1 + netwerk/protocol/http/nsHttpHandler.cpp | 2 ++ 3 files changed, 10 insertions(+)

diff --git a/netwerk/protocol/http/nsCORSListenerProxy.cpp b/netwerk/protocol/http/nsCORSListenerProxy.cpp index 76870e6cea3f..6d2e160c2a9b 100644 --- a/netwerk/protocol/http/nsCORSListenerProxy.cpp +++ b/netwerk/protocol/http/nsCORSListenerProxy.cpp @@ -346,6 +346,13 @@ void nsCORSListenerProxy::Shutdown() { sPreflightCache = nullptr; }

+/* static */ +void nsCORSListenerProxy::Clear() { + if (sPreflightCache) { + sPreflightCache->Clear(); + } +} + nsCORSListenerProxy::nsCORSListenerProxy(nsIStreamListener* aOuter, nsIPrincipal* aRequestingPrincipal, bool aWithCredentials) diff --git a/netwerk/protocol/http/nsCORSListenerProxy.h b/netwerk/protocol/http/nsCORSListenerProxy.h index 8c0df2e0ff28..3f76be33f209 100644 --- a/netwerk/protocol/http/nsCORSListenerProxy.h +++ b/netwerk/protocol/http/nsCORSListenerProxy.h @@ -54,6 +54,7 @@ class nsCORSListenerProxy final : public nsIStreamListener, NS_DECL_NSITHREADRETARGETABLESTREAMLISTENER

static void Shutdown(); + static void Clear();

[[nodiscard]] nsresult Init(nsIChannel* aChannel, DataURIHandling aAllowDataURI); diff --git a/netwerk/protocol/http/nsHttpHandler.cpp b/netwerk/protocol/http/nsHttpHandler.cpp index d5e2c61dbec9..c6cb95ca7fcc 100644 --- a/netwerk/protocol/http/nsHttpHandler.cpp +++ b/netwerk/protocol/http/nsHttpHandler.cpp @@ -10,6 +10,7 @@ #include "prsystem.h"

#include "AltServiceChild.h" +#include "nsCORSListenerProxy.h" #include "nsError.h" #include "nsHttp.h" #include "nsHttpHandler.h" @@ -2290,6 +2291,7 @@ nsHttpHandler::Observe(nsISupports* subject, const char* topic, mAltSvcCache->ClearAltServiceMappings(); } } + nsCORSListenerProxy::Clear(); } else if (!strcmp(topic, NS_NETWORK_LINK_TOPIC)) { nsAutoCString converted = NS_ConvertUTF16toUTF8(data); if (!strcmp(converted.get(), NS_NETWORK_LINK_DATA_CHANGED)) {