mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-06 21:05:37 +00:00
e26cc00e3e
Differential Revision: https://phabricator.services.mozilla.com/D30449 --HG-- extra : moz-landing-system : lando
723 lines
19 KiB
C++
723 lines
19 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 "UDPSocket.h"
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/ErrorEvent.h"
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#include "mozilla/dom/network/UDPSocketChild.h"
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#include "mozilla/dom/UDPMessageEvent.h"
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#include "mozilla/dom/UDPSocketBinding.h"
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#include "mozilla/dom/UnionTypes.h"
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#include "mozilla/net/DNS.h"
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#include "nsComponentManagerUtils.h"
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#include "nsContentUtils.h"
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#include "nsINetAddr.h"
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#include "nsStringStream.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_ISUPPORTS(UDPSocket::ListenerProxy, nsIUDPSocketListener,
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nsIUDPSocketInternal)
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NS_IMPL_CYCLE_COLLECTION_CLASS(UDPSocket)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(UDPSocket,
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DOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOpened)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mClosed)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(UDPSocket, DOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOpened)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mClosed)
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tmp->CloseWithReason(NS_OK);
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_ADDREF_INHERITED(UDPSocket, DOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(UDPSocket, DOMEventTargetHelper)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(UDPSocket)
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NS_INTERFACE_MAP_ENTRY(nsIUDPSocketListener)
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NS_INTERFACE_MAP_ENTRY(nsIUDPSocketInternal)
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NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
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/* static */
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already_AddRefed<UDPSocket> UDPSocket::Constructor(const GlobalObject& aGlobal,
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const UDPOptions& aOptions,
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ErrorResult& aRv) {
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nsCOMPtr<nsPIDOMWindowInner> ownerWindow =
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do_QueryInterface(aGlobal.GetAsSupports());
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if (!ownerWindow) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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bool addressReuse = aOptions.mAddressReuse;
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bool loopback = aOptions.mLoopback;
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nsCString remoteAddress;
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if (aOptions.mRemoteAddress.WasPassed()) {
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remoteAddress = NS_ConvertUTF16toUTF8(aOptions.mRemoteAddress.Value());
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} else {
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remoteAddress.SetIsVoid(true);
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}
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Nullable<uint16_t> remotePort;
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if (aOptions.mRemotePort.WasPassed()) {
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remotePort.SetValue(aOptions.mRemotePort.Value());
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if (remotePort.Value() == 0) {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return nullptr;
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}
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}
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nsString localAddress;
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if (aOptions.mLocalAddress.WasPassed()) {
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localAddress = aOptions.mLocalAddress.Value();
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// check if localAddress is a valid IPv4/6 address
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NS_ConvertUTF16toUTF8 address(localAddress);
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PRNetAddr prAddr;
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PRStatus status = PR_StringToNetAddr(address.BeginReading(), &prAddr);
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if (status != PR_SUCCESS) {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return nullptr;
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}
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} else {
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SetDOMStringToNull(localAddress);
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}
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Nullable<uint16_t> localPort;
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if (aOptions.mLocalPort.WasPassed()) {
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localPort.SetValue(aOptions.mLocalPort.Value());
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if (localPort.Value() == 0) {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return nullptr;
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}
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}
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RefPtr<UDPSocket> socket =
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new UDPSocket(ownerWindow, remoteAddress, remotePort);
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aRv = socket->Init(localAddress, localPort, addressReuse, loopback);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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return socket.forget();
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}
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UDPSocket::UDPSocket(nsPIDOMWindowInner* aOwner,
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const nsCString& aRemoteAddress,
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const Nullable<uint16_t>& aRemotePort)
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: DOMEventTargetHelper(aOwner),
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mRemoteAddress(aRemoteAddress),
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mRemotePort(aRemotePort),
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mAddressReuse(false),
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mLoopback(false),
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mReadyState(SocketReadyState::Opening) {
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MOZ_ASSERT(aOwner);
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Document* aDoc = aOwner->GetExtantDoc();
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if (aDoc) {
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aDoc->DisallowBFCaching();
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}
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}
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UDPSocket::~UDPSocket() { CloseWithReason(NS_OK); }
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JSObject* UDPSocket::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return UDPSocket_Binding::Wrap(aCx, this, aGivenProto);
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}
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void UDPSocket::DisconnectFromOwner() {
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DOMEventTargetHelper::DisconnectFromOwner();
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CloseWithReason(NS_OK);
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}
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already_AddRefed<Promise> UDPSocket::Close() {
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MOZ_ASSERT(mClosed);
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RefPtr<Promise> promise = mClosed;
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if (mReadyState == SocketReadyState::Closed) {
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return promise.forget();
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}
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CloseWithReason(NS_OK);
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return promise.forget();
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}
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void UDPSocket::CloseWithReason(nsresult aReason) {
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if (mReadyState == SocketReadyState::Closed) {
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return;
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}
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if (mOpened) {
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if (mReadyState == SocketReadyState::Opening) {
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// reject openedPromise with AbortError if socket is closed without error
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nsresult openFailedReason =
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NS_FAILED(aReason) ? aReason : NS_ERROR_DOM_ABORT_ERR;
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mOpened->MaybeReject(openFailedReason);
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}
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}
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mReadyState = SocketReadyState::Closed;
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if (mListenerProxy) {
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mListenerProxy->Disconnect();
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mListenerProxy = nullptr;
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}
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if (mSocket) {
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mSocket->Close();
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mSocket = nullptr;
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}
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if (mSocketChild) {
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mSocketChild->Close();
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mSocketChild = nullptr;
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}
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if (mClosed) {
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if (NS_SUCCEEDED(aReason)) {
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mClosed->MaybeResolveWithUndefined();
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} else {
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mClosed->MaybeReject(aReason);
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}
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}
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mPendingMcastCommands.Clear();
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}
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void UDPSocket::JoinMulticastGroup(const nsAString& aMulticastGroupAddress,
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ErrorResult& aRv) {
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if (mReadyState == SocketReadyState::Closed) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return;
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}
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if (mReadyState == SocketReadyState::Opening) {
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MulticastCommand joinCommand(MulticastCommand::Join,
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aMulticastGroupAddress);
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mPendingMcastCommands.AppendElement(joinCommand);
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return;
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}
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MOZ_ASSERT(mSocket || mSocketChild);
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NS_ConvertUTF16toUTF8 address(aMulticastGroupAddress);
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if (mSocket) {
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MOZ_ASSERT(!mSocketChild);
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aRv = mSocket->JoinMulticast(address, EmptyCString());
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NS_WARNING_ASSERTION(!aRv.Failed(), "JoinMulticast failed");
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return;
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}
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MOZ_ASSERT(mSocketChild);
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mSocketChild->JoinMulticast(address, EmptyCString());
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}
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void UDPSocket::LeaveMulticastGroup(const nsAString& aMulticastGroupAddress,
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ErrorResult& aRv) {
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if (mReadyState == SocketReadyState::Closed) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return;
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}
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if (mReadyState == SocketReadyState::Opening) {
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MulticastCommand leaveCommand(MulticastCommand::Leave,
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aMulticastGroupAddress);
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mPendingMcastCommands.AppendElement(leaveCommand);
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return;
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}
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MOZ_ASSERT(mSocket || mSocketChild);
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nsCString address = NS_ConvertUTF16toUTF8(aMulticastGroupAddress);
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if (mSocket) {
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MOZ_ASSERT(!mSocketChild);
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aRv = mSocket->LeaveMulticast(address, EmptyCString());
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NS_WARNING_ASSERTION(!aRv.Failed(), "mSocket->LeaveMulticast failed");
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return;
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}
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MOZ_ASSERT(mSocketChild);
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mSocketChild->LeaveMulticast(address, EmptyCString());
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}
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nsresult UDPSocket::DoPendingMcastCommand() {
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MOZ_ASSERT(mReadyState == SocketReadyState::Open,
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"Multicast command can only be executed after socket opened");
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for (uint32_t i = 0; i < mPendingMcastCommands.Length(); ++i) {
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MulticastCommand& command = mPendingMcastCommands[i];
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ErrorResult rv;
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switch (command.mCommand) {
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case MulticastCommand::Join: {
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JoinMulticastGroup(command.mAddress, rv);
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break;
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}
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case MulticastCommand::Leave: {
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LeaveMulticastGroup(command.mAddress, rv);
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break;
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}
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}
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if (NS_WARN_IF(rv.Failed())) {
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return rv.StealNSResult();
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}
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}
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mPendingMcastCommands.Clear();
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return NS_OK;
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}
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bool UDPSocket::Send(const StringOrBlobOrArrayBufferOrArrayBufferView& aData,
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const Optional<nsAString>& aRemoteAddress,
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const Optional<Nullable<uint16_t>>& aRemotePort,
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ErrorResult& aRv) {
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if (mReadyState != SocketReadyState::Open) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return false;
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}
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MOZ_ASSERT(mSocket || mSocketChild);
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// If the remote address and port were not specified in the constructor or as
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// arguments, throw InvalidAccessError.
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nsCString remoteAddress;
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if (aRemoteAddress.WasPassed()) {
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remoteAddress = NS_ConvertUTF16toUTF8(aRemoteAddress.Value());
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UDPSOCKET_LOG(("%s: Send to %s", __FUNCTION__, remoteAddress.get()));
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} else if (!mRemoteAddress.IsVoid()) {
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remoteAddress = mRemoteAddress;
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UDPSOCKET_LOG(("%s: Send to %s", __FUNCTION__, remoteAddress.get()));
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} else {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return false;
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}
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uint16_t remotePort;
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if (aRemotePort.WasPassed() && !aRemotePort.Value().IsNull()) {
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remotePort = aRemotePort.Value().Value();
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} else if (!mRemotePort.IsNull()) {
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remotePort = mRemotePort.Value();
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} else {
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aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
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return false;
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}
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nsCOMPtr<nsIInputStream> stream;
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if (aData.IsBlob()) {
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Blob& blob = aData.GetAsBlob();
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blob.CreateInputStream(getter_AddRefs(stream), aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return false;
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}
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} else {
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nsresult rv;
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nsCOMPtr<nsIStringInputStream> strStream =
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do_CreateInstance(NS_STRINGINPUTSTREAM_CONTRACTID, &rv);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(rv);
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return false;
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}
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if (aData.IsString()) {
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NS_ConvertUTF16toUTF8 data(aData.GetAsString());
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aRv = strStream->SetData(data.BeginReading(), data.Length());
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} else if (aData.IsArrayBuffer()) {
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const ArrayBuffer& data = aData.GetAsArrayBuffer();
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data.ComputeLengthAndData();
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aRv = strStream->SetData(reinterpret_cast<const char*>(data.Data()),
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data.Length());
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} else {
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const ArrayBufferView& data = aData.GetAsArrayBufferView();
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data.ComputeLengthAndData();
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aRv = strStream->SetData(reinterpret_cast<const char*>(data.Data()),
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data.Length());
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}
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if (NS_WARN_IF(aRv.Failed())) {
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return false;
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}
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stream = strStream;
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}
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if (mSocket) {
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aRv = mSocket->SendBinaryStream(remoteAddress, remotePort, stream);
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} else if (mSocketChild) {
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aRv = mSocketChild->SendBinaryStream(remoteAddress, remotePort, stream);
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}
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if (NS_WARN_IF(aRv.Failed())) {
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return false;
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}
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return true;
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}
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nsresult UDPSocket::InitLocal(const nsAString& aLocalAddress,
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const uint16_t& aLocalPort) {
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nsresult rv;
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nsCOMPtr<nsIUDPSocket> sock =
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do_CreateInstance("@mozilla.org/network/udp-socket;1", &rv);
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner(), &rv);
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsCOMPtr<nsIPrincipal> principal = global->PrincipalOrNull();
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if (!principal) {
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return NS_ERROR_FAILURE;
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}
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if (aLocalAddress.IsEmpty()) {
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rv = sock->Init(aLocalPort, /* loopback = */ false, principal,
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mAddressReuse, /* optionalArgc = */ 1);
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} else {
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PRNetAddr prAddr;
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PR_InitializeNetAddr(PR_IpAddrAny, aLocalPort, &prAddr);
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PR_StringToNetAddr(NS_ConvertUTF16toUTF8(aLocalAddress).BeginReading(),
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&prAddr);
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UDPSOCKET_LOG(("%s: %s:%u", __FUNCTION__,
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NS_ConvertUTF16toUTF8(aLocalAddress).get(), aLocalPort));
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mozilla::net::NetAddr addr;
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PRNetAddrToNetAddr(&prAddr, &addr);
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rv = sock->InitWithAddress(&addr, principal, mAddressReuse,
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/* optionalArgc = */ 1);
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}
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if (NS_FAILED(rv)) {
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return rv;
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}
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rv = sock->SetMulticastLoopback(mLoopback);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mSocket = sock;
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// Get real local address and local port
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nsCOMPtr<nsINetAddr> localAddr;
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rv = mSocket->GetLocalAddr(getter_AddRefs(localAddr));
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsCString localAddress;
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rv = localAddr->GetAddress(localAddress);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mLocalAddress = NS_ConvertUTF8toUTF16(localAddress);
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uint16_t localPort;
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rv = localAddr->GetPort(&localPort);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mLocalPort.SetValue(localPort);
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mListenerProxy = new ListenerProxy(this);
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rv = mSocket->AsyncListen(mListenerProxy);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mReadyState = SocketReadyState::Open;
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rv = DoPendingMcastCommand();
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if (NS_FAILED(rv)) {
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return rv;
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}
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mOpened->MaybeResolveWithUndefined();
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return NS_OK;
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}
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nsresult UDPSocket::InitRemote(const nsAString& aLocalAddress,
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const uint16_t& aLocalPort) {
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nsresult rv;
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RefPtr<UDPSocketChild> sock = new UDPSocketChild();
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mListenerProxy = new ListenerProxy(this);
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nsCOMPtr<nsIGlobalObject> obj = do_QueryInterface(GetOwner(), &rv);
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsCOMPtr<nsIPrincipal> principal = obj->PrincipalOrNull();
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if (!principal) {
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return NS_ERROR_FAILURE;
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}
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nsCOMPtr<nsIEventTarget> target;
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if (nsCOMPtr<nsIGlobalObject> global = GetOwnerGlobal()) {
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target = global->EventTargetFor(TaskCategory::Other);
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}
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rv = sock->Bind(mListenerProxy, principal,
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NS_ConvertUTF16toUTF8(aLocalAddress), aLocalPort,
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mAddressReuse, mLoopback, 0, 0, target);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mSocketChild = sock;
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return NS_OK;
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}
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nsresult UDPSocket::Init(const nsString& aLocalAddress,
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const Nullable<uint16_t>& aLocalPort,
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const bool& aAddressReuse, const bool& aLoopback) {
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MOZ_ASSERT(!mSocket && !mSocketChild);
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mLocalAddress = aLocalAddress;
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mLocalPort = aLocalPort;
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mAddressReuse = aAddressReuse;
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mLoopback = aLoopback;
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ErrorResult rv;
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
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mOpened = Promise::Create(global, rv);
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if (NS_WARN_IF(rv.Failed())) {
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return rv.StealNSResult();
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}
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mClosed = Promise::Create(global, rv);
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if (NS_WARN_IF(rv.Failed())) {
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return rv.StealNSResult();
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}
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class OpenSocketRunnable final : public Runnable {
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public:
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explicit OpenSocketRunnable(UDPSocket* aSocket)
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: mozilla::Runnable("OpenSocketRunnable"), mSocket(aSocket) {}
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NS_IMETHOD Run() override {
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MOZ_ASSERT(mSocket);
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if (mSocket->mReadyState != SocketReadyState::Opening) {
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return NS_OK;
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}
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uint16_t localPort = 0;
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if (!mSocket->mLocalPort.IsNull()) {
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localPort = mSocket->mLocalPort.Value();
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}
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nsresult rv;
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if (!XRE_IsParentProcess()) {
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rv = mSocket->InitRemote(mSocket->mLocalAddress, localPort);
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} else {
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rv = mSocket->InitLocal(mSocket->mLocalAddress, localPort);
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}
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if (NS_WARN_IF(NS_FAILED(rv))) {
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mSocket->CloseWithReason(NS_ERROR_DOM_NETWORK_ERR);
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}
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return NS_OK;
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}
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private:
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RefPtr<UDPSocket> mSocket;
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};
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nsCOMPtr<nsIRunnable> runnable = new OpenSocketRunnable(this);
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return NS_DispatchToMainThread(runnable);
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}
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void UDPSocket::HandleReceivedData(const nsACString& aRemoteAddress,
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const uint16_t& aRemotePort,
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const nsTArray<uint8_t>& aData) {
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if (mReadyState != SocketReadyState::Open) {
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return;
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}
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if (NS_FAILED(CheckCurrentGlobalCorrectness())) {
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return;
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}
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if (NS_FAILED(DispatchReceivedData(aRemoteAddress, aRemotePort, aData))) {
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CloseWithReason(NS_ERROR_TYPE_ERR);
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}
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}
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nsresult UDPSocket::DispatchReceivedData(const nsACString& aRemoteAddress,
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const uint16_t& aRemotePort,
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const nsTArray<uint8_t>& aData) {
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AutoJSAPI jsapi;
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if (NS_WARN_IF(!jsapi.Init(GetOwner()))) {
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return NS_ERROR_FAILURE;
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}
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JSContext* cx = jsapi.cx();
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// Copy packet data to ArrayBuffer
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JS::Rooted<JSObject*> arrayBuf(
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cx, ArrayBuffer::Create(cx, aData.Length(), aData.Elements()));
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if (NS_WARN_IF(!arrayBuf)) {
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return NS_ERROR_FAILURE;
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}
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JS::Rooted<JS::Value> jsData(cx, JS::ObjectValue(*arrayBuf));
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// Create DOM event
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RootedDictionary<UDPMessageEventInit> init(cx);
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init.mRemoteAddress = NS_ConvertUTF8toUTF16(aRemoteAddress);
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init.mRemotePort = aRemotePort;
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init.mData = jsData;
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RefPtr<UDPMessageEvent> udpEvent =
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UDPMessageEvent::Constructor(this, NS_LITERAL_STRING("message"), init);
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if (NS_WARN_IF(!udpEvent)) {
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return NS_ERROR_FAILURE;
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}
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udpEvent->SetTrusted(true);
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RefPtr<AsyncEventDispatcher> asyncDispatcher =
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new AsyncEventDispatcher(this, udpEvent);
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return asyncDispatcher->PostDOMEvent();
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}
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// nsIUDPSocketListener
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NS_IMETHODIMP
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UDPSocket::OnPacketReceived(nsIUDPSocket* aSocket, nsIUDPMessage* aMessage) {
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// nsIUDPSocketListener callbacks should be invoked on main thread.
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MOZ_ASSERT(NS_IsMainThread(), "Not running on main thread");
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// Create appropriate JS object for message
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FallibleTArray<uint8_t>& buffer = aMessage->GetDataAsTArray();
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nsCOMPtr<nsINetAddr> addr;
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if (NS_WARN_IF(NS_FAILED(aMessage->GetFromAddr(getter_AddRefs(addr))))) {
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return NS_OK;
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}
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nsCString remoteAddress;
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if (NS_WARN_IF(NS_FAILED(addr->GetAddress(remoteAddress)))) {
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return NS_OK;
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}
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uint16_t remotePort;
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if (NS_WARN_IF(NS_FAILED(addr->GetPort(&remotePort)))) {
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return NS_OK;
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}
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HandleReceivedData(remoteAddress, remotePort, buffer);
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return NS_OK;
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}
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NS_IMETHODIMP
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UDPSocket::OnStopListening(nsIUDPSocket* aSocket, nsresult aStatus) {
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// nsIUDPSocketListener callbacks should be invoked on main thread.
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MOZ_ASSERT(NS_IsMainThread(), "Not running on main thread");
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CloseWithReason(aStatus);
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return NS_OK;
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}
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// nsIUDPSocketInternal
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NS_IMETHODIMP
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UDPSocket::CallListenerError(const nsACString& aMessage,
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const nsACString& aFilename,
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uint32_t aLineNumber) {
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CloseWithReason(NS_ERROR_DOM_NETWORK_ERR);
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return NS_OK;
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}
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NS_IMETHODIMP
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UDPSocket::CallListenerReceivedData(const nsACString& aRemoteAddress,
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uint16_t aRemotePort,
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const nsTArray<uint8_t>& aData) {
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HandleReceivedData(aRemoteAddress, aRemotePort, aData);
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return NS_OK;
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}
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NS_IMETHODIMP
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UDPSocket::CallListenerOpened() {
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if (mReadyState != SocketReadyState::Opening) {
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return NS_OK;
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}
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MOZ_ASSERT(mSocketChild);
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// Get real local address and local port
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mLocalAddress = NS_ConvertUTF8toUTF16(mSocketChild->LocalAddress());
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mLocalPort.SetValue(mSocketChild->LocalPort());
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mReadyState = SocketReadyState::Open;
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nsresult rv = DoPendingMcastCommand();
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if (NS_WARN_IF(NS_FAILED(rv))) {
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CloseWithReason(rv);
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return NS_OK;
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}
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mOpened->MaybeResolveWithUndefined();
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return NS_OK;
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}
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NS_IMETHODIMP
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UDPSocket::CallListenerConnected() {
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// This shouldn't be called here.
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MOZ_CRASH();
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return NS_OK;
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}
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NS_IMETHODIMP
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UDPSocket::CallListenerClosed() {
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CloseWithReason(NS_OK);
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return NS_OK;
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}
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} // namespace dom
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} // namespace mozilla
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