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-rw-r--r--netwerk/ipc/ProxyConfigLookup.cpp99
1 files changed, 99 insertions, 0 deletions
diff --git a/netwerk/ipc/ProxyConfigLookup.cpp b/netwerk/ipc/ProxyConfigLookup.cpp
new file mode 100644
index 0000000000..29ce74091d
--- /dev/null
+++ b/netwerk/ipc/ProxyConfigLookup.cpp
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 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 "ProxyConfigLookup.h"
+#include "ProxyConfigLookupChild.h"
+#include "mozilla/Unused.h"
+#include "nsContentUtils.h"
+#include "nsICancelable.h"
+#include "nsIProtocolProxyService.h"
+#include "nsIProtocolProxyService2.h"
+#include "nsNetUtil.h"
+#include "nsThreadUtils.h"
+#include "nsIChannel.h"
+
+namespace mozilla {
+namespace net {
+
+// static
+nsresult ProxyConfigLookup::Create(
+ std::function<void(nsIProxyInfo*, nsresult)>&& aCallback, nsIURI* aURI,
+ uint32_t aProxyResolveFlags, nsICancelable** aLookupCancellable) {
+ MOZ_ASSERT(NS_IsMainThread());
+
+ RefPtr<ProxyConfigLookup> lookUp =
+ new ProxyConfigLookup(std::move(aCallback), aURI, aProxyResolveFlags);
+ return lookUp->DoProxyResolve(aLookupCancellable);
+}
+
+ProxyConfigLookup::ProxyConfigLookup(
+ std::function<void(nsIProxyInfo*, nsresult)>&& aCallback, nsIURI* aURI,
+ uint32_t aProxyResolveFlags)
+ : mCallback(std::move(aCallback)),
+ mURI(aURI),
+ mProxyResolveFlags(aProxyResolveFlags) {}
+
+ProxyConfigLookup::~ProxyConfigLookup() = default;
+
+nsresult ProxyConfigLookup::DoProxyResolve(nsICancelable** aLookupCancellable) {
+ if (!XRE_IsParentProcess()) {
+ RefPtr<ProxyConfigLookup> self = this;
+ bool result = ProxyConfigLookupChild::Create(
+ mURI, mProxyResolveFlags,
+ [self](nsIProxyInfo* aProxyinfo, nsresult aResult) {
+ self->OnProxyAvailable(nullptr, nullptr, aProxyinfo, aResult);
+ });
+ return result ? NS_OK : NS_ERROR_FAILURE;
+ }
+
+ nsresult rv;
+ nsCOMPtr<nsIChannel> channel;
+ rv = NS_NewChannel(getter_AddRefs(channel), mURI,
+ nsContentUtils::GetSystemPrincipal(),
+ nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
+ nsIContentPolicy::TYPE_OTHER);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ nsCOMPtr<nsIProtocolProxyService> pps =
+ do_GetService(NS_PROTOCOLPROXYSERVICE_CONTRACTID, &rv);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // using the nsIProtocolProxyService2 allows a minor performance
+ // optimization, but if an add-on has only provided the original interface
+ // then it is ok to use that version.
+ nsCOMPtr<nsICancelable> proxyRequest;
+ nsCOMPtr<nsIProtocolProxyService2> pps2 = do_QueryInterface(pps);
+ if (pps2) {
+ rv = pps2->AsyncResolve2(channel, mProxyResolveFlags, this, nullptr,
+ getter_AddRefs(proxyRequest));
+ } else {
+ rv = pps->AsyncResolve(channel, mProxyResolveFlags, this, nullptr,
+ getter_AddRefs(proxyRequest));
+ }
+
+ if (aLookupCancellable) {
+ proxyRequest.forget(aLookupCancellable);
+ }
+
+ return rv;
+}
+
+NS_IMETHODIMP ProxyConfigLookup::OnProxyAvailable(nsICancelable* aRequest,
+ nsIChannel* aChannel,
+ nsIProxyInfo* aProxyinfo,
+ nsresult aResult) {
+ mCallback(aProxyinfo, aResult);
+ return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS(ProxyConfigLookup, nsIProtocolProxyCallback)
+
+} // namespace net
+} // namespace mozilla