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/* -*- 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 */
#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) {
RefPtr<ProxyConfigLookup> lookUp =
new ProxyConfigLookup(std::move(aCallback), aURI, aProxyResolveFlags);
return lookUp->DoProxyResolve(aLookupCancellable);
std::function<void(nsIProxyInfo*, nsresult)>&& aCallback, nsIURI* aURI,
uint32_t aProxyResolveFlags)
: mCallback(std::move(aCallback)),
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,
if (NS_FAILED(rv)) {
return rv;
nsCOMPtr<nsIProtocolProxyService> pps =
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,
} else {
rv = pps->AsyncResolve(channel, mProxyResolveFlags, this, nullptr,
if (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