gecko-dev/netwerk/protocol/websocket/BaseWebSocketChannel.cpp

399 строки
11 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et 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 "WebSocketLog.h"
#include "BaseWebSocketChannel.h"
#include "MainThreadUtils.h"
#include "nsILoadGroup.h"
#include "nsINode.h"
#include "nsIInterfaceRequestor.h"
#include "nsAutoPtr.h"
#include "nsProxyRelease.h"
#include "nsStandardURL.h"
#include "LoadInfo.h"
#include "nsIDOMNode.h"
#include "mozilla/dom/ContentChild.h"
#include "nsITransportProvider.h"
using mozilla::dom::ContentChild;
namespace mozilla {
namespace net {
LazyLogModule webSocketLog("nsWebSocket");
static uint64_t gNextWebSocketID = 0;
// We use only 53 bits for the WebSocket serial ID so that it can be converted
// to and from a JS value without loss of precision. The upper bits of the
// WebSocket serial ID hold the process ID. The lower bits identify the
// WebSocket.
static const uint64_t kWebSocketIDTotalBits = 53;
static const uint64_t kWebSocketIDProcessBits = 22;
static const uint64_t kWebSocketIDWebSocketBits = kWebSocketIDTotalBits - kWebSocketIDProcessBits;
BaseWebSocketChannel::BaseWebSocketChannel()
: mWasOpened(0)
, mClientSetPingInterval(0)
, mClientSetPingTimeout(0)
, mEncrypted(0)
, mPingForced(0)
, mIsServerSide(false)
, mPingInterval(0)
, mPingResponseTimeout(10000)
{
// Generation of a unique serial ID.
uint64_t processID = 0;
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
processID = cc->GetID();
}
uint64_t processBits = processID & ((uint64_t(1) << kWebSocketIDProcessBits) - 1);
// Make sure no actual webSocket ends up with mWebSocketID == 0 but less then
// what the kWebSocketIDProcessBits allows.
if (++gNextWebSocketID >= (uint64_t(1) << kWebSocketIDWebSocketBits)) {
gNextWebSocketID = 1;
}
uint64_t webSocketBits = gNextWebSocketID & ((uint64_t(1) << kWebSocketIDWebSocketBits) - 1);
mSerial = (processBits << kWebSocketIDWebSocketBits) | webSocketBits;
}
//-----------------------------------------------------------------------------
// BaseWebSocketChannel::nsIWebSocketChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
BaseWebSocketChannel::GetOriginalURI(nsIURI **aOriginalURI)
{
LOG(("BaseWebSocketChannel::GetOriginalURI() %p\n", this));
if (!mOriginalURI)
return NS_ERROR_NOT_INITIALIZED;
NS_ADDREF(*aOriginalURI = mOriginalURI);
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetURI(nsIURI **aURI)
{
LOG(("BaseWebSocketChannel::GetURI() %p\n", this));
if (!mOriginalURI)
return NS_ERROR_NOT_INITIALIZED;
if (mURI)
NS_ADDREF(*aURI = mURI);
else
NS_ADDREF(*aURI = mOriginalURI);
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::
GetNotificationCallbacks(nsIInterfaceRequestor **aNotificationCallbacks)
{
LOG(("BaseWebSocketChannel::GetNotificationCallbacks() %p\n", this));
NS_IF_ADDREF(*aNotificationCallbacks = mCallbacks);
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::
SetNotificationCallbacks(nsIInterfaceRequestor *aNotificationCallbacks)
{
LOG(("BaseWebSocketChannel::SetNotificationCallbacks() %p\n", this));
mCallbacks = aNotificationCallbacks;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetLoadGroup(nsILoadGroup **aLoadGroup)
{
LOG(("BaseWebSocketChannel::GetLoadGroup() %p\n", this));
NS_IF_ADDREF(*aLoadGroup = mLoadGroup);
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::SetLoadGroup(nsILoadGroup *aLoadGroup)
{
LOG(("BaseWebSocketChannel::SetLoadGroup() %p\n", this));
mLoadGroup = aLoadGroup;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::SetLoadInfo(nsILoadInfo* aLoadInfo)
{
mLoadInfo = aLoadInfo;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetLoadInfo(nsILoadInfo** aLoadInfo)
{
NS_IF_ADDREF(*aLoadInfo = mLoadInfo);
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetExtensions(nsACString &aExtensions)
{
LOG(("BaseWebSocketChannel::GetExtensions() %p\n", this));
aExtensions = mNegotiatedExtensions;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetProtocol(nsACString &aProtocol)
{
LOG(("BaseWebSocketChannel::GetProtocol() %p\n", this));
aProtocol = mProtocol;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::SetProtocol(const nsACString &aProtocol)
{
LOG(("BaseWebSocketChannel::SetProtocol() %p\n", this));
mProtocol = aProtocol; /* the sub protocol */
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetPingInterval(uint32_t *aSeconds)
{
// stored in ms but should only have second resolution
MOZ_ASSERT(!(mPingInterval % 1000));
*aSeconds = mPingInterval / 1000;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::SetPingInterval(uint32_t aSeconds)
{
MOZ_ASSERT(NS_IsMainThread());
if (mWasOpened) {
return NS_ERROR_IN_PROGRESS;
}
mPingInterval = aSeconds * 1000;
mClientSetPingInterval = 1;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetPingTimeout(uint32_t *aSeconds)
{
// stored in ms but should only have second resolution
MOZ_ASSERT(!(mPingResponseTimeout % 1000));
*aSeconds = mPingResponseTimeout / 1000;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::SetPingTimeout(uint32_t aSeconds)
{
MOZ_ASSERT(NS_IsMainThread());
if (mWasOpened) {
return NS_ERROR_IN_PROGRESS;
}
mPingResponseTimeout = aSeconds * 1000;
mClientSetPingTimeout = 1;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::InitLoadInfo(nsIDOMNode* aLoadingNode,
nsIPrincipal* aLoadingPrincipal,
nsIPrincipal* aTriggeringPrincipal,
uint32_t aSecurityFlags,
uint32_t aContentPolicyType)
{
nsCOMPtr<nsINode> node = do_QueryInterface(aLoadingNode);
mLoadInfo = new LoadInfo(aLoadingPrincipal, aTriggeringPrincipal,
node, aSecurityFlags, aContentPolicyType);
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetSerial(uint32_t* aSerial)
{
if (!aSerial) {
return NS_ERROR_FAILURE;
}
*aSerial = mSerial;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::SetSerial(uint32_t aSerial)
{
mSerial = aSerial;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::SetServerParameters(nsITransportProvider* aProvider,
const nsACString& aNegotiatedExtensions)
{
MOZ_ASSERT(aProvider);
mServerTransportProvider = aProvider;
mNegotiatedExtensions = aNegotiatedExtensions;
mIsServerSide = true;
return NS_OK;
}
//-----------------------------------------------------------------------------
// BaseWebSocketChannel::nsIProtocolHandler
//-----------------------------------------------------------------------------
NS_IMETHODIMP
BaseWebSocketChannel::GetScheme(nsACString &aScheme)
{
LOG(("BaseWebSocketChannel::GetScheme() %p\n", this));
if (mEncrypted)
aScheme.AssignLiteral("wss");
else
aScheme.AssignLiteral("ws");
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetDefaultPort(int32_t *aDefaultPort)
{
LOG(("BaseWebSocketChannel::GetDefaultPort() %p\n", this));
if (mEncrypted)
*aDefaultPort = kDefaultWSSPort;
else
*aDefaultPort = kDefaultWSPort;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetProtocolFlags(uint32_t *aProtocolFlags)
{
LOG(("BaseWebSocketChannel::GetProtocolFlags() %p\n", this));
*aProtocolFlags = URI_NORELATIVE | URI_NON_PERSISTABLE | ALLOWS_PROXY |
ALLOWS_PROXY_HTTP | URI_DOES_NOT_RETURN_DATA | URI_DANGEROUS_TO_LOAD;
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::NewURI(const nsACString & aSpec, const char *aOriginCharset,
nsIURI *aBaseURI, nsIURI **_retval)
{
LOG(("BaseWebSocketChannel::NewURI() %p\n", this));
int32_t port;
nsresult rv = GetDefaultPort(&port);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIURI> base(aBaseURI);
return NS_MutateURI(new nsStandardURL::Mutator())
.Apply(NS_MutatorMethod(&nsIStandardURLMutator::Init,
nsIStandardURL::URLTYPE_AUTHORITY,
port, nsCString(aSpec), aOriginCharset,
base, nullptr))
.Finalize(_retval);
}
NS_IMETHODIMP
BaseWebSocketChannel::NewChannel2(nsIURI* aURI,
nsILoadInfo* aLoadInfo,
nsIChannel** outChannel)
{
LOG(("BaseWebSocketChannel::NewChannel2() %p\n", this));
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
BaseWebSocketChannel::NewChannel(nsIURI *aURI, nsIChannel **_retval)
{
LOG(("BaseWebSocketChannel::NewChannel() %p\n", this));
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
BaseWebSocketChannel::AllowPort(int32_t port, const char *scheme,
bool *_retval)
{
LOG(("BaseWebSocketChannel::AllowPort() %p\n", this));
// do not override any blacklisted ports
*_retval = false;
return NS_OK;
}
//-----------------------------------------------------------------------------
// BaseWebSocketChannel::nsIThreadRetargetableRequest
//-----------------------------------------------------------------------------
NS_IMETHODIMP
BaseWebSocketChannel::RetargetDeliveryTo(nsIEventTarget* aTargetThread)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aTargetThread);
MOZ_ASSERT(!mTargetThread, "Delivery target should be set once, before AsyncOpen");
MOZ_ASSERT(!mWasOpened, "Should not be called after AsyncOpen!");
mTargetThread = do_QueryInterface(aTargetThread);
MOZ_ASSERT(mTargetThread);
return NS_OK;
}
NS_IMETHODIMP
BaseWebSocketChannel::GetDeliveryTarget(nsIEventTarget** aTargetThread)
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIEventTarget> target = mTargetThread;
if (!target) {
target = GetCurrentThreadEventTarget();
}
target.forget(aTargetThread);
return NS_OK;
}
BaseWebSocketChannel::ListenerAndContextContainer::ListenerAndContextContainer(
nsIWebSocketListener* aListener,
nsISupports* aContext)
: mListener(aListener)
, mContext(aContext)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mListener);
}
BaseWebSocketChannel::ListenerAndContextContainer::~ListenerAndContextContainer()
{
MOZ_ASSERT(mListener);
NS_ReleaseOnMainThreadSystemGroup(
"BaseWebSocketChannel::ListenerAndContextContainer::mListener",
mListener.forget());
NS_ReleaseOnMainThreadSystemGroup(
"BaseWebSocketChannel::ListenerAndContextContainer::mContext",
mContext.forget());
}
} // namespace net
} // namespace mozilla