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gecko-dev/dom/network/TCPSocket.cpp

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31 KiB
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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 http://mozilla.org/MPL/2.0/. */
#include "mozilla/BasePrincipal.h"
#include "mozilla/ErrorResult.h"
#include "TCPSocket.h"
#include "TCPServerSocket.h"
#include "TCPSocketChild.h"
#include "TCPSocketParent.h"
#include "mozilla/dom/RootedDictionary.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/TCPSocketBinding.h"
#include "mozilla/dom/TCPSocketErrorEvent.h"
#include "mozilla/dom/TCPSocketErrorEventBinding.h"
#include "mozilla/dom/TCPSocketEvent.h"
#include "mozilla/dom/TCPSocketEventBinding.h"
#include "mozilla/dom/ToJSValue.h"
#include "nsComponentManagerUtils.h"
#include "nsContentUtils.h"
#include "nsIArrayBufferInputStream.h"
#include "nsISocketTransportService.h"
#include "nsISocketTransport.h"
#include "nsIMultiplexInputStream.h"
#include "nsIAsyncStreamCopier.h"
#include "nsIInputStream.h"
#include "nsIInputStreamPump.h"
#include "nsIBinaryInputStream.h"
#include "nsIScriptableInputStream.h"
#include "nsIAsyncInputStream.h"
#include "nsISupportsPrimitives.h"
#include "nsITransport.h"
#include "nsIObserverService.h"
#include "nsIOutputStream.h"
#include "nsINSSErrorsService.h"
#include "nsISSLSocketControl.h"
#include "nsServiceManagerUtils.h"
#include "nsStringStream.h"
#include "secerr.h"
#include "sslerr.h"
#define BUFFER_SIZE 65536
#define NETWORK_STATS_THRESHOLD 65536
using namespace mozilla::dom;
NS_IMPL_CYCLE_COLLECTION(LegacyMozTCPSocket, mGlobal)
NS_IMPL_CYCLE_COLLECTING_ADDREF(LegacyMozTCPSocket)
NS_IMPL_CYCLE_COLLECTING_RELEASE(LegacyMozTCPSocket)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(LegacyMozTCPSocket)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
LegacyMozTCPSocket::LegacyMozTCPSocket(nsPIDOMWindowInner* aWindow)
: mGlobal(do_QueryInterface(aWindow)) {}
LegacyMozTCPSocket::~LegacyMozTCPSocket() = default;
already_AddRefed<TCPSocket> LegacyMozTCPSocket::Open(
const nsAString& aHost, uint16_t aPort, const SocketOptions& aOptions,
mozilla::ErrorResult& aRv) {
AutoJSAPI api;
if (NS_WARN_IF(!api.Init(mGlobal))) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
GlobalObject globalObj(api.cx(), mGlobal->GetGlobalJSObject());
return TCPSocket::Constructor(globalObj, aHost, aPort, aOptions, aRv);
}
already_AddRefed<TCPServerSocket> LegacyMozTCPSocket::Listen(
uint16_t aPort, const ServerSocketOptions& aOptions, uint16_t aBacklog,
mozilla::ErrorResult& aRv) {
AutoJSAPI api;
if (NS_WARN_IF(!api.Init(mGlobal))) {
return nullptr;
}
GlobalObject globalObj(api.cx(), mGlobal->GetGlobalJSObject());
return TCPServerSocket::Constructor(globalObj, aPort, aOptions, aBacklog,
aRv);
}
bool LegacyMozTCPSocket::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto,
JS::MutableHandle<JSObject*> aReflector) {
return LegacyMozTCPSocket_Binding::Wrap(aCx, this, aGivenProto, aReflector);
}
NS_IMPL_CYCLE_COLLECTION_CLASS(TCPSocket)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(TCPSocket, DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(TCPSocket,
DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTransport)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSocketInputStream)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSocketOutputStream)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mInputStreamPump)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mInputStreamScriptable)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mInputStreamBinary)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPendingDataAfterStartTLS)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSocketBridgeChild)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSocketBridgeParent)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(TCPSocket, DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mTransport)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mSocketInputStream)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mSocketOutputStream)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mInputStreamPump)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mInputStreamScriptable)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mInputStreamBinary)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mPendingDataAfterStartTLS)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mSocketBridgeChild)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mSocketBridgeParent)
NS_IMPL_CYCLE_COLLECTION_UNLINK_WEAK_REFERENCE
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_ADDREF_INHERITED(TCPSocket, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(TCPSocket, DOMEventTargetHelper)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TCPSocket)
NS_INTERFACE_MAP_ENTRY(nsITransportEventSink)
NS_INTERFACE_MAP_ENTRY(nsIRequestObserver)
NS_INTERFACE_MAP_ENTRY(nsIStreamListener)
NS_INTERFACE_MAP_ENTRY(nsIInputStreamCallback)
NS_INTERFACE_MAP_ENTRY(nsIObserver)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_ENTRY(nsITCPSocketCallback)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
TCPSocket::TCPSocket(nsIGlobalObject* aGlobal, const nsAString& aHost,
uint16_t aPort, bool aSsl, bool aUseArrayBuffers)
: DOMEventTargetHelper(aGlobal),
mReadyState(TCPReadyState::Closed),
mUseArrayBuffers(aUseArrayBuffers),
mHost(aHost),
mPort(aPort),
mSsl(aSsl),
mAsyncCopierActive(false),
mWaitingForDrain(false),
mInnerWindowID(0),
mBufferedAmount(0),
mSuspendCount(0),
mTrackingNumber(0),
mWaitingForStartTLS(false),
mObserversActive(false) {
if (aGlobal) {
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal);
if (window) {
mInnerWindowID = window->WindowID();
}
}
}
TCPSocket::~TCPSocket() {
if (mObserversActive) {
nsCOMPtr<nsIObserverService> obs =
do_GetService("@mozilla.org/observer-service;1");
if (obs) {
obs->RemoveObserver(this, "inner-window-destroyed");
obs->RemoveObserver(this, "profile-change-net-teardown");
}
}
}
nsresult TCPSocket::CreateStream() {
nsresult rv =
mTransport->OpenInputStream(0, 0, 0, getter_AddRefs(mSocketInputStream));
NS_ENSURE_SUCCESS(rv, rv);
rv = mTransport->OpenOutputStream(nsITransport::OPEN_UNBUFFERED, 0, 0,
getter_AddRefs(mSocketOutputStream));
NS_ENSURE_SUCCESS(rv, rv);
// If the other side is not listening, we will
// get an onInputStreamReady callback where available
// raises to indicate the connection was refused.
nsCOMPtr<nsIAsyncInputStream> asyncStream =
do_QueryInterface(mSocketInputStream);
NS_ENSURE_TRUE(asyncStream, NS_ERROR_NOT_AVAILABLE);
nsCOMPtr<nsISerialEventTarget> mainTarget = GetMainThreadSerialEventTarget();
rv = asyncStream->AsyncWait(this, nsIAsyncInputStream::WAIT_CLOSURE_ONLY, 0,
mainTarget);
NS_ENSURE_SUCCESS(rv, rv);
if (mUseArrayBuffers) {
mInputStreamBinary =
do_CreateInstance("@mozilla.org/binaryinputstream;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = mInputStreamBinary->SetInputStream(mSocketInputStream);
NS_ENSURE_SUCCESS(rv, rv);
} else {
mInputStreamScriptable =
do_CreateInstance("@mozilla.org/scriptableinputstream;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = mInputStreamScriptable->Init(mSocketInputStream);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult TCPSocket::InitWithUnconnectedTransport(
nsISocketTransport* aTransport) {
mReadyState = TCPReadyState::Connecting;
mTransport = aTransport;
MOZ_ASSERT(XRE_GetProcessType() != GeckoProcessType_Content);
nsCOMPtr<nsISerialEventTarget> mainTarget = GetMainThreadSerialEventTarget();
mTransport->SetEventSink(this, mainTarget);
nsresult rv = CreateStream();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult TCPSocket::Init() {
nsCOMPtr<nsIObserverService> obs =
do_GetService("@mozilla.org/observer-service;1");
if (obs) {
mObserversActive = true;
obs->AddObserver(this, "inner-window-destroyed", true); // weak reference
obs->AddObserver(this, "profile-change-net-teardown", true); // weak ref
}
if (XRE_GetProcessType() == GeckoProcessType_Content) {
mReadyState = TCPReadyState::Connecting;
nsCOMPtr<nsISerialEventTarget> target;
if (nsCOMPtr<nsIGlobalObject> global = GetOwnerGlobal()) {
target = global->EventTargetFor(TaskCategory::Other);
}
mSocketBridgeChild = new TCPSocketChild(mHost, mPort, target);
mSocketBridgeChild->SendOpen(this, mSsl, mUseArrayBuffers);
return NS_OK;
}
nsCOMPtr<nsISocketTransportService> sts =
do_GetService("@mozilla.org/network/socket-transport-service;1");
AutoTArray<nsCString, 1> socketTypes;
if (mSsl) {
socketTypes.AppendElement("ssl"_ns);
} else {
socketTypes.AppendElement("starttls"_ns);
}
nsCOMPtr<nsISocketTransport> transport;
nsresult rv = sts->CreateTransport(socketTypes, NS_ConvertUTF16toUTF8(mHost),
mPort, nullptr, getter_AddRefs(transport));
NS_ENSURE_SUCCESS(rv, rv);
return InitWithUnconnectedTransport(transport);
}
void TCPSocket::InitWithSocketChild(TCPSocketChild* aSocketBridge) {
mSocketBridgeChild = aSocketBridge;
mReadyState = TCPReadyState::Open;
mSocketBridgeChild->SetSocket(this);
mSocketBridgeChild->GetHost(mHost);
mSocketBridgeChild->GetPort(&mPort);
}
nsresult TCPSocket::InitWithTransport(nsISocketTransport* aTransport) {
mTransport = aTransport;
nsresult rv = CreateStream();
NS_ENSURE_SUCCESS(rv, rv);
mReadyState = TCPReadyState::Open;
rv = CreateInputStreamPump();
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString host;
mTransport->GetHost(host);
CopyUTF8toUTF16(host, mHost);
int32_t port;
mTransport->GetPort(&port);
mPort = port;
return NS_OK;
}
void TCPSocket::UpgradeToSecure(mozilla::ErrorResult& aRv) {
if (mReadyState != TCPReadyState::Open) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
if (mSsl) {
return;
}
mSsl = true;
if (mSocketBridgeChild) {
mSocketBridgeChild->SendStartTLS();
return;
}
if (!mAsyncCopierActive) {
ActivateTLS();
} else {
mWaitingForStartTLS = true;
}
}
namespace {
class CopierCallbacks final : public nsIRequestObserver {
RefPtr<TCPSocket> mOwner;
public:
explicit CopierCallbacks(TCPSocket* aSocket) : mOwner(aSocket) {}
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
private:
~CopierCallbacks() = default;
};
NS_IMPL_ISUPPORTS(CopierCallbacks, nsIRequestObserver)
NS_IMETHODIMP
CopierCallbacks::OnStartRequest(nsIRequest* aRequest) { return NS_OK; }
NS_IMETHODIMP
CopierCallbacks::OnStopRequest(nsIRequest* aRequest, nsresult aStatus) {
mOwner->NotifyCopyComplete(aStatus);
mOwner = nullptr;
return NS_OK;
}
} // unnamed namespace
nsresult TCPSocket::EnsureCopying() {
if (mAsyncCopierActive) {
return NS_OK;
}
mAsyncCopierActive = true;
nsresult rv;
nsCOMPtr<nsIMultiplexInputStream> multiplexStream =
do_CreateInstance("@mozilla.org/io/multiplex-input-stream;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIInputStream> stream = do_QueryInterface(multiplexStream);
while (!mPendingData.IsEmpty()) {
nsCOMPtr<nsIInputStream> stream = mPendingData[0];
multiplexStream->AppendStream(stream);
mPendingData.RemoveElementAt(0);
}
nsCOMPtr<nsIAsyncStreamCopier> copier =
do_CreateInstance("@mozilla.org/network/async-stream-copier;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsISocketTransportService> sts =
do_GetService("@mozilla.org/network/socket-transport-service;1");
nsCOMPtr<nsISerialEventTarget> target = do_QueryInterface(sts);
rv = copier->Init(stream, mSocketOutputStream, target,
true, /* source buffered */
false, /* sink buffered */
BUFFER_SIZE, false, /* close source */
false); /* close sink */
NS_ENSURE_SUCCESS(rv, rv);
RefPtr<CopierCallbacks> callbacks = new CopierCallbacks(this);
rv = copier->AsyncCopy(callbacks, nullptr);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
void TCPSocket::NotifyCopyComplete(nsresult aStatus) {
mAsyncCopierActive = false;
// Let's update the buffered amount of data.
uint64_t bufferedAmount = 0;
for (uint32_t i = 0, len = mPendingData.Length(); i < len; ++i) {
nsCOMPtr<nsIInputStream> stream = mPendingData[i];
uint64_t available = 0;
if (NS_SUCCEEDED(stream->Available(&available))) {
bufferedAmount += available;
}
}
mBufferedAmount = bufferedAmount;
if (mSocketBridgeParent && mSocketBridgeParent->IPCOpen()) {
mozilla::Unused << mSocketBridgeParent->SendUpdateBufferedAmount(
BufferedAmount(), mTrackingNumber);
}
if (NS_FAILED(aStatus)) {
MaybeReportErrorAndCloseIfOpen(aStatus);
return;
}
if (bufferedAmount != 0) {
EnsureCopying();
return;
}
// Maybe we have some empty stream. We want to have an empty queue now.
mPendingData.Clear();
// If we are waiting for initiating starttls, we can begin to
// activate tls now.
if (mWaitingForStartTLS && mReadyState == TCPReadyState::Open) {
ActivateTLS();
mWaitingForStartTLS = false;
// If we have pending data, we should send them, or fire
// a drain event if we are waiting for it.
if (!mPendingDataAfterStartTLS.IsEmpty()) {
mPendingData = std::move(mPendingDataAfterStartTLS);
EnsureCopying();
return;
}
}
// If we have a connected child, we let the child decide whether
// ondrain should be dispatched.
if (mWaitingForDrain && !mSocketBridgeParent) {
mWaitingForDrain = false;
FireEvent(u"drain"_ns);
}
if (mReadyState == TCPReadyState::Closing) {
if (mSocketOutputStream) {
mSocketOutputStream->Close();
mSocketOutputStream = nullptr;
}
mReadyState = TCPReadyState::Closed;
FireEvent(u"close"_ns);
}
}
void TCPSocket::ActivateTLS() {
nsCOMPtr<nsISupports> securityInfo;
mTransport->GetSecurityInfo(getter_AddRefs(securityInfo));
nsCOMPtr<nsISSLSocketControl> socketControl = do_QueryInterface(securityInfo);
if (socketControl) {
socketControl->StartTLS();
}
}
NS_IMETHODIMP
TCPSocket::FireErrorEvent(const nsAString& aName, const nsAString& aType) {
if (mSocketBridgeParent) {
mSocketBridgeParent->FireErrorEvent(aName, aType, mReadyState);
return NS_OK;
}
TCPSocketErrorEventInit init;
init.mBubbles = false;
init.mCancelable = false;
init.mName = aName;
init.mMessage = aType;
RefPtr<TCPSocketErrorEvent> event =
TCPSocketErrorEvent::Constructor(this, u"error"_ns, init);
MOZ_ASSERT(event);
event->SetTrusted(true);
DispatchEvent(*event);
return NS_OK;
}
NS_IMETHODIMP
TCPSocket::FireEvent(const nsAString& aType) {
if (mSocketBridgeParent) {
mSocketBridgeParent->FireEvent(aType, mReadyState);
return NS_OK;
}
AutoJSAPI api;
if (NS_WARN_IF(!api.Init(GetOwnerGlobal()))) {
return NS_ERROR_FAILURE;
}
JS::Rooted<JS::Value> val(api.cx());
return FireDataEvent(api.cx(), aType, val);
}
NS_IMETHODIMP
TCPSocket::FireDataArrayEvent(const nsAString& aType,
const nsTArray<uint8_t>& buffer) {
AutoJSAPI api;
if (NS_WARN_IF(!api.Init(GetOwnerGlobal()))) {
return NS_ERROR_FAILURE;
}
JSContext* cx = api.cx();
JS::Rooted<JS::Value> val(cx);
bool ok = IPC::DeserializeArrayBuffer(cx, buffer, &val);
if (ok) {
return FireDataEvent(cx, aType, val);
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
TCPSocket::FireDataStringEvent(const nsAString& aType,
const nsACString& aString) {
AutoJSAPI api;
if (NS_WARN_IF(!api.Init(GetOwnerGlobal()))) {
return NS_ERROR_FAILURE;
}
JSContext* cx = api.cx();
JS::Rooted<JS::Value> val(cx);
bool ok = ToJSValue(cx, NS_ConvertASCIItoUTF16(aString), &val);
if (ok) {
return FireDataEvent(cx, aType, val);
}
return NS_ERROR_FAILURE;
}
nsresult TCPSocket::FireDataEvent(JSContext* aCx, const nsAString& aType,
JS::Handle<JS::Value> aData) {
MOZ_ASSERT(!mSocketBridgeParent);
RootedDictionary<TCPSocketEventInit> init(aCx);
init.mBubbles = false;
init.mCancelable = false;
init.mData = aData;
RefPtr<TCPSocketEvent> event = TCPSocketEvent::Constructor(this, aType, init);
event->SetTrusted(true);
DispatchEvent(*event);
return NS_OK;
}
JSObject* TCPSocket::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return TCPSocket_Binding::Wrap(aCx, this, aGivenProto);
}
void TCPSocket::GetHost(nsAString& aHost) { aHost.Assign(mHost); }
uint32_t TCPSocket::Port() { return mPort; }
bool TCPSocket::Ssl() { return mSsl; }
void TCPSocket::Suspend() {
if (mSocketBridgeChild) {
mSocketBridgeChild->SendSuspend();
return;
}
if (mInputStreamPump) {
mInputStreamPump->Suspend();
}
mSuspendCount++;
}
void TCPSocket::Resume(mozilla::ErrorResult& aRv) {
if (mSocketBridgeChild) {
mSocketBridgeChild->SendResume();
return;
}
if (!mSuspendCount) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
if (mInputStreamPump) {
mInputStreamPump->Resume();
}
mSuspendCount--;
}
nsresult TCPSocket::MaybeReportErrorAndCloseIfOpen(nsresult status) {
// If we're closed, we've already reported the error or just don't need to
// report the error.
if (mReadyState == TCPReadyState::Closed) {
return NS_OK;
}
// go through ::Closing state and then mark ::Closed
Close();
mReadyState = TCPReadyState::Closed;
if (NS_FAILED(status)) {
// Convert the status code to an appropriate error message.
nsString errorType, errName;
// security module? (and this is an error)
if ((static_cast<uint32_t>(status) & 0xFF0000) == 0x5a0000) {
nsCOMPtr<nsINSSErrorsService> errSvc =
do_GetService("@mozilla.org/nss_errors_service;1");
// getErrorClass will throw a generic NS_ERROR_FAILURE if the error code
// is somehow not in the set of covered errors.
uint32_t errorClass;
nsresult rv = errSvc->GetErrorClass(status, &errorClass);
if (NS_FAILED(rv)) {
errorType.AssignLiteral("SecurityProtocol");
} else {
switch (errorClass) {
case nsINSSErrorsService::ERROR_CLASS_BAD_CERT:
errorType.AssignLiteral("SecurityCertificate");
break;
default:
errorType.AssignLiteral("SecurityProtocol");
break;
}
}
// NSS_SEC errors (happen below the base value because of negative vals)
if ((static_cast<int32_t>(status) & 0xFFFF) <
abs(nsINSSErrorsService::NSS_SEC_ERROR_BASE)) {
switch (static_cast<SECErrorCodes>(status)) {
case SEC_ERROR_EXPIRED_CERTIFICATE:
errName.AssignLiteral("SecurityExpiredCertificateError");
break;
case SEC_ERROR_REVOKED_CERTIFICATE:
errName.AssignLiteral("SecurityRevokedCertificateError");
break;
// per bsmith, we will be unable to tell these errors apart very
// soon, so it makes sense to just folder them all together already.
case SEC_ERROR_UNKNOWN_ISSUER:
case SEC_ERROR_UNTRUSTED_ISSUER:
case SEC_ERROR_UNTRUSTED_CERT:
case SEC_ERROR_CA_CERT_INVALID:
errName.AssignLiteral("SecurityUntrustedCertificateIssuerError");
break;
case SEC_ERROR_INADEQUATE_KEY_USAGE:
errName.AssignLiteral("SecurityInadequateKeyUsageError");
break;
case SEC_ERROR_CERT_SIGNATURE_ALGORITHM_DISABLED:
errName.AssignLiteral(
"SecurityCertificateSignatureAlgorithmDisabledError");
break;
default:
errName.AssignLiteral("SecurityError");
break;
}
} else {
// NSS_SSL errors
switch (static_cast<SSLErrorCodes>(status)) {
case SSL_ERROR_NO_CERTIFICATE:
errName.AssignLiteral("SecurityNoCertificateError");
break;
case SSL_ERROR_BAD_CERTIFICATE:
errName.AssignLiteral("SecurityBadCertificateError");
break;
case SSL_ERROR_UNSUPPORTED_CERTIFICATE_TYPE:
errName.AssignLiteral("SecurityUnsupportedCertificateTypeError");
break;
case SSL_ERROR_UNSUPPORTED_VERSION:
errName.AssignLiteral("SecurityUnsupportedTLSVersionError");
break;
case SSL_ERROR_BAD_CERT_DOMAIN:
errName.AssignLiteral("SecurityCertificateDomainMismatchError");
break;
default:
errName.AssignLiteral("SecurityError");
break;
}
}
} else {
// must be network
errorType.AssignLiteral("Network");
switch (status) {
// connect to host:port failed
case NS_ERROR_CONNECTION_REFUSED:
errName.AssignLiteral("ConnectionRefusedError");
break;
// network timeout error
case NS_ERROR_NET_TIMEOUT:
errName.AssignLiteral("NetworkTimeoutError");
break;
// hostname lookup failed
case NS_ERROR_UNKNOWN_HOST:
errName.AssignLiteral("DomainNotFoundError");
break;
case NS_ERROR_NET_INTERRUPT:
errName.AssignLiteral("NetworkInterruptError");
break;
default:
errName.AssignLiteral("NetworkError");
break;
}
}
Unused << NS_WARN_IF(NS_FAILED(FireErrorEvent(errName, errorType)));
}
return FireEvent(u"close"_ns);
}
void TCPSocket::Close() { CloseHelper(true); }
void TCPSocket::CloseImmediately() { CloseHelper(false); }
void TCPSocket::CloseHelper(bool waitForUnsentData) {
if (mReadyState == TCPReadyState::Closed ||
mReadyState == TCPReadyState::Closing) {
return;
}
mReadyState = TCPReadyState::Closing;
if (mSocketBridgeChild) {
mSocketBridgeChild->SendClose();
return;
}
if (!mAsyncCopierActive || !waitForUnsentData) {
mPendingData.Clear();
mPendingDataAfterStartTLS.Clear();
if (mSocketOutputStream) {
mSocketOutputStream->Close();
mSocketOutputStream = nullptr;
}
}
if (mSocketInputStream) {
mSocketInputStream->Close();
mSocketInputStream = nullptr;
}
}
bool TCPSocket::Send(const nsACString& aData, mozilla::ErrorResult& aRv) {
if (mReadyState != TCPReadyState::Open) {
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
uint64_t byteLength;
nsCOMPtr<nsIInputStream> stream;
if (mSocketBridgeChild) {
mSocketBridgeChild->SendSend(aData);
byteLength = aData.Length();
} else {
nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream), aData);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return false;
}
rv = stream->Available(&byteLength);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return false;
}
}
return Send(stream, byteLength);
}
bool TCPSocket::Send(const ArrayBuffer& aData, uint32_t aByteOffset,
const Optional<uint32_t>& aByteLength,
mozilla::ErrorResult& aRv) {
if (mReadyState != TCPReadyState::Open) {
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
nsCOMPtr<nsIArrayBufferInputStream> stream;
aData.ComputeState();
uint32_t byteLength =
aByteLength.WasPassed() ? aByteLength.Value() : aData.Length();
if (mSocketBridgeChild) {
nsresult rv = mSocketBridgeChild->SendSend(aData, aByteOffset, byteLength);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return false;
}
} else {
JS::Rooted<JS::Value> value(RootingCx(), JS::ObjectValue(*aData.Obj()));
stream = do_CreateInstance("@mozilla.org/io/arraybuffer-input-stream;1");
nsresult rv = stream->SetData(value, aByteOffset, byteLength);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return false;
}
}
return Send(stream, byteLength);
}
bool TCPSocket::Send(nsIInputStream* aStream, uint32_t aByteLength) {
uint64_t newBufferedAmount = BufferedAmount() + aByteLength;
bool bufferFull = newBufferedAmount > BUFFER_SIZE;
if (bufferFull) {
// If we buffered more than some arbitrary amount of data,
// (65535 right now) we should tell the caller so they can
// wait until ondrain is called if they so desire. Once all the
// buffered data has been written to the socket, ondrain is
// called.
mWaitingForDrain = true;
}
if (mSocketBridgeChild) {
// In the child, we just add the buffer length to our bufferedAmount and let
// the parent update our bufferedAmount when the data have been sent.
mBufferedAmount = newBufferedAmount;
return !bufferFull;
}
// This is used to track how many packets we have been told to send. Signaling
// this back to the user of this API allows the user to know how many packets
// are currently in flight over IPC.
++mTrackingNumber;
if (mWaitingForStartTLS) {
// When we are waiting for starttls, newStream is added to pendingData
// and will be appended to multiplexStream after tls had been set up.
mPendingDataAfterStartTLS.AppendElement(aStream);
} else {
mPendingData.AppendElement(aStream);
}
EnsureCopying();
return !bufferFull;
}
TCPReadyState TCPSocket::ReadyState() { return mReadyState; }
TCPSocketBinaryType TCPSocket::BinaryType() {
if (mUseArrayBuffers) {
return TCPSocketBinaryType::Arraybuffer;
} else {
return TCPSocketBinaryType::String;
}
}
already_AddRefed<TCPSocket> TCPSocket::CreateAcceptedSocket(
nsIGlobalObject* aGlobal, nsISocketTransport* aTransport,
bool aUseArrayBuffers) {
RefPtr<TCPSocket> socket =
new TCPSocket(aGlobal, u""_ns, 0, false, aUseArrayBuffers);
nsresult rv = socket->InitWithTransport(aTransport);
NS_ENSURE_SUCCESS(rv, nullptr);
return socket.forget();
}
already_AddRefed<TCPSocket> TCPSocket::CreateAcceptedSocket(
nsIGlobalObject* aGlobal, TCPSocketChild* aBridge, bool aUseArrayBuffers) {
RefPtr<TCPSocket> socket =
new TCPSocket(aGlobal, u""_ns, 0, false, aUseArrayBuffers);
socket->InitWithSocketChild(aBridge);
return socket.forget();
}
already_AddRefed<TCPSocket> TCPSocket::Constructor(
const GlobalObject& aGlobal, const nsAString& aHost, uint16_t aPort,
const SocketOptions& aOptions, mozilla::ErrorResult& aRv) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<TCPSocket> socket =
new TCPSocket(global, aHost, aPort, aOptions.mUseSecureTransport,
aOptions.mBinaryType == TCPSocketBinaryType::Arraybuffer);
nsresult rv = socket->Init();
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return nullptr;
}
return socket.forget();
}
nsresult TCPSocket::CreateInputStreamPump() {
if (!mSocketInputStream) {
return NS_ERROR_NOT_AVAILABLE;
}
nsresult rv;
mInputStreamPump =
do_CreateInstance("@mozilla.org/network/input-stream-pump;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = mInputStreamPump->Init(mSocketInputStream, 0, 0, false, nullptr);
NS_ENSURE_SUCCESS(rv, rv);
uint64_t suspendCount = mSuspendCount;
while (suspendCount--) {
mInputStreamPump->Suspend();
}
rv = mInputStreamPump->AsyncRead(this);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
NS_IMETHODIMP
TCPSocket::OnTransportStatus(nsITransport* aTransport, nsresult aStatus,
int64_t aProgress, int64_t aProgressMax) {
if (static_cast<uint32_t>(aStatus) !=
nsISocketTransport::STATUS_CONNECTED_TO) {
return NS_OK;
}
mReadyState = TCPReadyState::Open;
nsresult rv = CreateInputStreamPump();
NS_ENSURE_SUCCESS(rv, rv);
FireEvent(u"open"_ns);
return NS_OK;
}
NS_IMETHODIMP
TCPSocket::OnInputStreamReady(nsIAsyncInputStream* aStream) {
// Only used for detecting if the connection was refused.
uint64_t dummy;
nsresult rv = aStream->Available(&dummy);
if (NS_FAILED(rv)) {
MaybeReportErrorAndCloseIfOpen(NS_ERROR_CONNECTION_REFUSED);
}
return NS_OK;
}
NS_IMETHODIMP
TCPSocket::OnStartRequest(nsIRequest* aRequest) { return NS_OK; }
NS_IMETHODIMP
TCPSocket::OnDataAvailable(nsIRequest* aRequest, nsIInputStream* aStream,
uint64_t aOffset, uint32_t aCount) {
if (mUseArrayBuffers) {
nsTArray<uint8_t> buffer;
buffer.SetCapacity(aCount);
uint32_t actual;
nsresult rv = aStream->Read(reinterpret_cast<char*>(buffer.Elements()),
aCount, &actual);
NS_ENSURE_SUCCESS(rv, rv);
MOZ_ASSERT(actual == aCount);
buffer.SetLength(actual);
if (mSocketBridgeParent) {
mSocketBridgeParent->FireArrayBufferDataEvent(buffer, mReadyState);
return NS_OK;
}
AutoJSAPI api;
if (!api.Init(GetOwnerGlobal())) {
return NS_ERROR_FAILURE;
}
JSContext* cx = api.cx();
JS::Rooted<JS::Value> value(cx);
if (!ToJSValue(cx, TypedArrayCreator<ArrayBuffer>(buffer), &value)) {
return NS_ERROR_FAILURE;
}
FireDataEvent(cx, u"data"_ns, value);
return NS_OK;
}
nsCString data;
nsresult rv = mInputStreamScriptable->ReadBytes(aCount, data);
NS_ENSURE_SUCCESS(rv, rv);
if (mSocketBridgeParent) {
mSocketBridgeParent->FireStringDataEvent(data, mReadyState);
return NS_OK;
}
AutoJSAPI api;
if (!api.Init(GetOwnerGlobal())) {
return NS_ERROR_FAILURE;
}
JSContext* cx = api.cx();
JS::Rooted<JS::Value> value(cx);
if (!ToJSValue(cx, NS_ConvertASCIItoUTF16(data), &value)) {
return NS_ERROR_FAILURE;
}
FireDataEvent(cx, u"data"_ns, value);
return NS_OK;
}
NS_IMETHODIMP
TCPSocket::OnStopRequest(nsIRequest* aRequest, nsresult aStatus) {
mInputStreamPump = nullptr;
if (mAsyncCopierActive && NS_SUCCEEDED(aStatus)) {
// If we have some buffered output still, and status is not an
// error, the other side has done a half-close, but we don't
// want to be in the close state until we are done sending
// everything that was buffered. We also don't want to call onclose
// yet.
return NS_OK;
}
// We call this even if there is no error.
MaybeReportErrorAndCloseIfOpen(aStatus);
return NS_OK;
}
void TCPSocket::SetSocketBridgeParent(TCPSocketParent* aBridgeParent) {
MOZ_ASSERT(NS_IsMainThread());
mSocketBridgeParent = aBridgeParent;
}
NS_IMETHODIMP
TCPSocket::UpdateReadyState(uint32_t aReadyState) {
MOZ_ASSERT(mSocketBridgeChild);
mReadyState = static_cast<TCPReadyState>(aReadyState);
return NS_OK;
}
NS_IMETHODIMP
TCPSocket::UpdateBufferedAmount(uint32_t aBufferedAmount,
uint32_t aTrackingNumber) {
if (aTrackingNumber != mTrackingNumber) {
return NS_OK;
}
mBufferedAmount = aBufferedAmount;
if (!mBufferedAmount) {
if (mWaitingForDrain) {
mWaitingForDrain = false;
return FireEvent(u"drain"_ns);
}
}
return NS_OK;
}
NS_IMETHODIMP
TCPSocket::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) {
if (!strcmp(aTopic, "inner-window-destroyed")) {
nsCOMPtr<nsISupportsPRUint64> wrapper = do_QueryInterface(aSubject);
NS_ENSURE_TRUE(wrapper, NS_ERROR_FAILURE);
uint64_t innerID;
nsresult rv = wrapper->GetData(&innerID);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (innerID == mInnerWindowID) {
Close();
}
} else if (!strcmp(aTopic, "profile-change-net-teardown")) {
Close();
}
return NS_OK;
}
/* static */
bool TCPSocket::ShouldTCPSocketExist(JSContext* aCx, JSObject* aGlobal) {
JS::Rooted<JSObject*> global(aCx, aGlobal);
return nsContentUtils::ObjectPrincipal(global)->IsSystemPrincipal();
}
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