mirror of
https://github.com/mozilla/gecko-dev.git
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101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ProxyConfigLookup.h"
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#include "ProxyConfigLookupChild.h"
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#include "mozilla/Components.h"
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#include "mozilla/Unused.h"
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#include "nsContentUtils.h"
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#include "nsICancelable.h"
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#include "nsIProtocolProxyService.h"
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#include "nsIProtocolProxyService2.h"
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#include "nsNetUtil.h"
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#include "nsThreadUtils.h"
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#include "nsIChannel.h"
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namespace mozilla {
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namespace net {
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// static
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nsresult ProxyConfigLookup::Create(
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std::function<void(nsIProxyInfo*, nsresult)>&& aCallback, nsIURI* aURI,
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uint32_t aProxyResolveFlags, nsICancelable** aLookupCancellable) {
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MOZ_ASSERT(NS_IsMainThread());
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RefPtr<ProxyConfigLookup> lookUp =
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new ProxyConfigLookup(std::move(aCallback), aURI, aProxyResolveFlags);
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return lookUp->DoProxyResolve(aLookupCancellable);
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}
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ProxyConfigLookup::ProxyConfigLookup(
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std::function<void(nsIProxyInfo*, nsresult)>&& aCallback, nsIURI* aURI,
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uint32_t aProxyResolveFlags)
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: mCallback(std::move(aCallback)),
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mURI(aURI),
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mProxyResolveFlags(aProxyResolveFlags) {}
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ProxyConfigLookup::~ProxyConfigLookup() = default;
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nsresult ProxyConfigLookup::DoProxyResolve(nsICancelable** aLookupCancellable) {
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if (!XRE_IsParentProcess()) {
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RefPtr<ProxyConfigLookup> self = this;
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bool result = ProxyConfigLookupChild::Create(
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mURI, mProxyResolveFlags,
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[self](nsIProxyInfo* aProxyinfo, nsresult aResult) {
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self->OnProxyAvailable(nullptr, nullptr, aProxyinfo, aResult);
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});
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return result ? NS_OK : NS_ERROR_FAILURE;
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}
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nsresult rv;
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nsCOMPtr<nsIChannel> channel;
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rv = NS_NewChannel(getter_AddRefs(channel), mURI,
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nsContentUtils::GetSystemPrincipal(),
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nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
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nsIContentPolicy::TYPE_OTHER);
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsCOMPtr<nsIProtocolProxyService> pps;
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pps = mozilla::components::ProtocolProxy::Service(&rv);
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if (NS_FAILED(rv)) {
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return rv;
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}
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// using the nsIProtocolProxyService2 allows a minor performance
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// optimization, but if an add-on has only provided the original interface
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// then it is ok to use that version.
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nsCOMPtr<nsICancelable> proxyRequest;
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nsCOMPtr<nsIProtocolProxyService2> pps2 = do_QueryInterface(pps);
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if (pps2) {
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rv = pps2->AsyncResolve2(channel, mProxyResolveFlags, this, nullptr,
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getter_AddRefs(proxyRequest));
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} else {
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rv = pps->AsyncResolve(channel, mProxyResolveFlags, this, nullptr,
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getter_AddRefs(proxyRequest));
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}
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if (aLookupCancellable) {
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proxyRequest.forget(aLookupCancellable);
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}
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return rv;
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}
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NS_IMETHODIMP ProxyConfigLookup::OnProxyAvailable(nsICancelable* aRequest,
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nsIChannel* aChannel,
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nsIProxyInfo* aProxyinfo,
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nsresult aResult) {
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mCallback(aProxyinfo, aResult);
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return NS_OK;
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}
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NS_IMPL_ISUPPORTS(ProxyConfigLookup, nsIProtocolProxyCallback)
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} // namespace net
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} // namespace mozilla
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