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-rw-r--r--netwerk/dns/DNSUtils.cpp81
1 files changed, 81 insertions, 0 deletions
diff --git a/netwerk/dns/DNSUtils.cpp b/netwerk/dns/DNSUtils.cpp
new file mode 100644
index 0000000000..8101f28116
--- /dev/null
+++ b/netwerk/dns/DNSUtils.cpp
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=4 sw=2 sts=2 et cin: */
+/* 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 "DNSUtils.h"
+
+#include "nsContentUtils.h"
+#include "nsHttpHandler.h"
+#include "nsIHttpChannel.h"
+#include "nsIHttpChannelInternal.h"
+#include "nsIIOService.h"
+#include "mozilla/SyncRunnable.h"
+#include "TRRServiceChannel.h"
+#include "TRRLoadInfo.h"
+
+namespace mozilla {
+namespace net {
+
+static void InitHttpHandler() {
+ nsresult rv;
+ nsCOMPtr<nsIIOService> ios = do_GetIOService(&rv);
+ if (NS_FAILED(rv)) {
+ return;
+ }
+
+ nsCOMPtr<nsIProtocolHandler> handler;
+ rv = ios->GetProtocolHandler("http", getter_AddRefs(handler));
+ if (NS_FAILED(rv)) {
+ return;
+ }
+}
+
+// static
+nsresult DNSUtils::CreateChannelHelper(nsIURI* aUri, nsIChannel** aResult) {
+ *aResult = nullptr;
+
+ if (NS_IsMainThread() && !XRE_IsSocketProcess()) {
+ nsresult rv;
+ nsCOMPtr<nsIIOService> ios(do_GetIOService(&rv));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return NS_NewChannel(
+ aResult, aUri, nsContentUtils::GetSystemPrincipal(),
+ nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
+ nsIContentPolicy::TYPE_OTHER,
+ nullptr, // nsICookieJarSettings
+ nullptr, // PerformanceStorage
+ nullptr, // aLoadGroup
+ nullptr, // aCallbacks
+ nsIRequest::LOAD_NORMAL, ios);
+ }
+
+ // Unfortunately, we can only initialize gHttpHandler on main thread.
+ if (!gHttpHandler) {
+ nsCOMPtr<nsIEventTarget> main = GetMainThreadSerialEventTarget();
+ if (main) {
+ // Forward to the main thread synchronously.
+ SyncRunnable::DispatchToThread(
+ main, NS_NewRunnableFunction("InitHttpHandler",
+ []() { InitHttpHandler(); }));
+ }
+ }
+
+ if (!gHttpHandler) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ RefPtr<TRRLoadInfo> loadInfo =
+ new TRRLoadInfo(aUri, nsIContentPolicy::TYPE_OTHER);
+ return gHttpHandler->CreateTRRServiceChannel(aUri,
+ nullptr, // givenProxyInfo
+ 0, // proxyResolveFlags
+ nullptr, // proxyURI
+ loadInfo, // aLoadInfo
+ aResult);
+}
+
+} // namespace net
+} // namespace mozilla