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/* 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 "EarlyHintPreconnect.h"
#include "mozilla/CORSMode.h"
#include "mozilla/dom/Element.h"
#include "mozilla/StaticPrefs_network.h"
#include "nsIOService.h"
#include "nsIURI.h"
namespace mozilla::net {
void EarlyHintPreconnect::MaybePreconnect(const LinkHeader& aHeader,
nsIURI* aBaseURI,
nsIPrincipal* aPrincipal) {
if (!StaticPrefs::network_early_hints_preconnect_enabled()) {
return;
}
if (!gIOService) {
return;
}
nsCOMPtr<nsIURI> uri;
if (NS_FAILED(aHeader.NewResolveHref(getter_AddRefs(uri), aBaseURI))) {
return;
}
// only preconnect secure context urls
if (!uri->SchemeIs("https")) {
return;
}
// Note that the http connection manager will limit the number of connections
// we can make, so it should be fine we don't check duplicate preconnect
// attempts here.
CORSMode corsMode = dom::Element::StringToCORSMode(aHeader.mCrossOrigin);
if (corsMode == CORS_ANONYMOUS) {
gIOService->SpeculativeAnonymousConnect(uri, aPrincipal, nullptr);
} else {
gIOService->SpeculativeConnect(uri, aPrincipal, nullptr);
}
}
} // namespace mozilla::net
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