void
MediaRecorder::NotifyError(nsresult aRv)
{
NS_ABORT_IF_FALSE(NS_IsMainThread(), "Not running on main thread");
nsresult rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
nsString errorMsg;
switch (aRv) {
case NS_ERROR_DOM_SECURITY_ERR:
errorMsg = NS_LITERAL_STRING("SecurityError");
break;
case NS_ERROR_OUT_OF_MEMORY:
errorMsg = NS_LITERAL_STRING("OutOfMemoryError");
break;
default:
errorMsg = NS_LITERAL_STRING("GenericError");
}
nsCOMPtr<nsIDOMEvent> event;
rv = NS_NewDOMRecordErrorEvent(getter_AddRefs(event), this, nullptr, nullptr);
nsCOMPtr<nsIDOMRecordErrorEvent> errorEvent = do_QueryInterface(event);
rv = errorEvent->InitRecordErrorEvent(NS_LITERAL_STRING("error"),
false, false, errorMsg);
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_ERROR("Failed to dispatch the error event!!!");
return;
}
return;
}
void
MediaRecorder::DispatchSimpleEvent(const nsAString & aStr)
{
NS_ABORT_IF_FALSE(NS_IsMainThread(), "Not running on main thread");
nsresult rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
nsCOMPtr<nsIDOMEvent> event;
rv = NS_NewDOMEvent(getter_AddRefs(event), this, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to create the error event!!!");
return;
}
rv = event->InitEvent(aStr, false, false);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to init the error event!!!");
return;
}
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_ERROR("Failed to dispatch the event!!!");
return;
}
}
nsPIDOMWindowInner*
DOMEventTargetHelper::GetWindowIfCurrent() const
{
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return nullptr;
}
return GetOwner();
}
nsIScriptContext*
nsDOMEventTargetHelper::GetContextForEventHandlers(nsresult* aRv)
{
*aRv = CheckInnerWindowCorrectness();
if (NS_FAILED(*aRv)) {
return nsnull;
}
return mScriptContext;
}
void
IDBRequest::SetResultCallback(ResultCallback* aCallback)
{
AssertIsOnOwningThread();
MOZ_ASSERT(aCallback);
MOZ_ASSERT(!mHaveResultOrErrorCode);
MOZ_ASSERT(mResultVal.isUndefined());
MOZ_ASSERT(!mError);
// See if our window is still valid.
if (NS_WARN_IF(NS_FAILED(CheckInnerWindowCorrectness()))) {
SetError(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
AutoJSAPI autoJS;
Maybe<JSAutoCompartment> ac;
if (GetScriptOwner()) {
// If we have a script owner we want the SafeJSContext and then to enter the
// script owner's compartment.
autoJS.Init();
JS::ExposeObjectToActiveJS(GetScriptOwner());
ac.emplace(autoJS.cx(), GetScriptOwner());
} else {
// Otherwise our owner is a window and we use that to initialize.
MOZ_ASSERT(GetOwner());
if (!autoJS.Init(GetOwner())) {
IDB_WARNING("Failed to initialize AutoJSAPI!");
SetError(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
}
JSContext* cx = autoJS.cx();
AssertIsRooted();
JS::Rooted<JS::Value> result(cx);
nsresult rv = aCallback->GetResult(cx, &result);
if (NS_WARN_IF(NS_FAILED(rv))) {
// This can only fail if the structured clone contains a mutable file
// and the child is not in the main thread and main process.
// In that case CreateAndWrapMutableFile() returns false which shows up
// as NS_ERROR_DOM_DATA_CLONE_ERR here.
MOZ_ASSERT(rv == NS_ERROR_DOM_DATA_CLONE_ERR);
// We are not setting a result or an error object here since we want to
// throw an exception when the 'result' property is being touched.
return;
}
mError = nullptr;
mResultVal = result;
mHaveResultOrErrorCode = true;
}
nsresult
IDBRequest::NotifyHelperCompleted(HelperBase* aHelper)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!mHaveResultOrErrorCode, "Already called!");
NS_ASSERTION(JSVAL_IS_VOID(mResultVal), "Should be undefined!");
mHaveResultOrErrorCode = true;
nsresult rv = aHelper->GetResultCode();
// If the request failed then set the error code and return.
if (NS_FAILED(rv)) {
SetError(rv);
return NS_OK;
}
// See if our window is still valid. If not then we're going to pretend that
// we never completed.
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return NS_OK;
}
// Otherwise we need to get the result from the helper.
AutoPushJSContext cx(GetJSContext());
if (!cx) {
NS_WARNING("Failed to get safe JSContext!");
rv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
SetError(rv);
return rv;
}
JS::Rooted<JSObject*> global(cx, GetParentObject());
NS_ASSERTION(global, "This should never be null!");
JSAutoRequest ar(cx);
JSAutoCompartment ac(cx, global);
AssertIsRooted();
rv = aHelper->GetSuccessResult(cx, &mResultVal);
if (NS_FAILED(rv)) {
NS_WARNING("GetSuccessResult failed!");
}
if (NS_SUCCEEDED(rv)) {
mError = nullptr;
}
else {
SetError(rv);
mResultVal = JSVAL_VOID;
}
return rv;
}
nsresult
DOMEventTargetHelper::WantsUntrusted(bool* aRetVal)
{
nsresult rv = CheckInnerWindowCorrectness();
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDocument> doc = GetDocumentIfCurrent();
// We can let listeners on workers to always handle all the events.
*aRetVal = (doc && !nsContentUtils::IsChromeDoc(doc)) || !NS_IsMainThread();
return rv;
}
nsIScriptContext*
DOMEventTargetHelper::GetContextForEventHandlers(nsresult* aRv)
{
*aRv = CheckInnerWindowCorrectness();
if (NS_FAILED(*aRv)) {
return nullptr;
}
nsPIDOMWindowInner* owner = GetOwner();
return owner ? nsGlobalWindow::Cast(owner)->GetContextInternal()
: nullptr;
}
void
DesktopNotification::HandleAlertServiceNotification(const char *aTopic)
{
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return;
}
if (!strcmp("alertclickcallback", aTopic)) {
DispatchNotificationEvent(NS_LITERAL_STRING("click"));
} else if (!strcmp("alertfinished", aTopic)) {
DispatchNotificationEvent(NS_LITERAL_STRING("close"));
}
}
void
IDBRequest::SetResultCallback(ResultCallback* aCallback)
{
AssertIsOnOwningThread();
MOZ_ASSERT(aCallback);
MOZ_ASSERT(!mHaveResultOrErrorCode);
MOZ_ASSERT(mResultVal.isUndefined());
MOZ_ASSERT(!mError);
// See if our window is still valid.
if (NS_WARN_IF(NS_FAILED(CheckInnerWindowCorrectness()))) {
IDB_REPORT_INTERNAL_ERR();
SetError(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
AutoJSAPI autoJS;
Maybe<JSAutoCompartment> ac;
if (GetScriptOwner()) {
// If we have a script owner we want the SafeJSContext and then to enter the
// script owner's compartment.
autoJS.Init();
ac.emplace(autoJS.cx(), GetScriptOwner());
} else {
// Otherwise our owner is a window and we use that to initialize.
MOZ_ASSERT(GetOwner());
if (!autoJS.InitWithLegacyErrorReporting(GetOwner())) {
IDB_WARNING("Failed to initialize AutoJSAPI!");
SetError(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
}
JSContext* cx = autoJS.cx();
AssertIsRooted();
JS::Rooted<JS::Value> result(cx);
nsresult rv = aCallback->GetResult(cx, &result);
if (NS_WARN_IF(NS_FAILED(rv))) {
SetError(rv);
mResultVal.setUndefined();
} else {
mError = nullptr;
mResultVal = result;
}
mHaveResultOrErrorCode = true;
}
NS_IMETHODIMP
EventSource::AsyncOnChannelRedirect(nsIChannel *aOldChannel,
nsIChannel *aNewChannel,
uint32_t aFlags,
nsIAsyncVerifyRedirectCallback *aCallback)
{
nsCOMPtr<nsIRequest> aOldRequest = do_QueryInterface(aOldChannel);
NS_PRECONDITION(aOldRequest, "Redirect from a null request?");
nsresult rv = CheckHealthOfRequestCallback(aOldRequest);
NS_ENSURE_SUCCESS(rv, rv);
NS_PRECONDITION(aNewChannel, "Redirect without a channel?");
nsCOMPtr<nsIURI> newURI;
rv = NS_GetFinalChannelURI(aNewChannel, getter_AddRefs(newURI));
NS_ENSURE_SUCCESS(rv, rv);
bool isValidScheme =
(NS_SUCCEEDED(newURI->SchemeIs("http", &isValidScheme)) && isValidScheme) ||
(NS_SUCCEEDED(newURI->SchemeIs("https", &isValidScheme)) && isValidScheme);
rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv) || !isValidScheme) {
DispatchFailConnection();
return NS_ERROR_DOM_SECURITY_ERR;
}
// update our channel
mHttpChannel = do_QueryInterface(aNewChannel);
NS_ENSURE_STATE(mHttpChannel);
rv = SetupHttpChannel();
NS_ENSURE_SUCCESS(rv, rv);
if ((aFlags & nsIChannelEventSink::REDIRECT_PERMANENT) != 0) {
rv = NS_GetFinalChannelURI(mHttpChannel, getter_AddRefs(mSrc));
NS_ENSURE_SUCCESS(rv, rv);
}
aCallback->OnRedirectVerifyCallback(NS_OK);
return NS_OK;
}
void
UDPSocket::HandleReceivedData(const nsACString& aRemoteAddress,
const uint16_t& aRemotePort,
const uint8_t* aData,
const uint32_t& aDataLength)
{
if (mReadyState != SocketReadyState::Open) {
return;
}
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return;
}
if (NS_FAILED(DispatchReceivedData(aRemoteAddress, aRemotePort, aData, aDataLength))) {
CloseWithReason(NS_ERROR_TYPE_ERR);
}
}
void
DesktopNotification::DispatchNotificationEvent(const nsString& aName)
{
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return;
}
nsCOMPtr<nsIDOMEvent> event;
nsresult rv = NS_NewDOMEvent(getter_AddRefs(event), this, nullptr, nullptr);
if (NS_SUCCEEDED(rv)) {
// it doesn't bubble, and it isn't cancelable
rv = event->InitEvent(aName, false, false);
if (NS_SUCCEEDED(rv)) {
event->SetTrusted(true);
DispatchDOMEvent(nullptr, event, nullptr, nullptr);
}
}
}
void
IDBRequest::NotifyHelperSentResultsToChildProcess(nsresult aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!mHaveResultOrErrorCode, "Already called!");
NS_ASSERTION(JSVAL_IS_VOID(mResultVal), "Should be undefined!");
// See if our window is still valid. If not then we're going to pretend that
// we never completed.
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return;
}
mHaveResultOrErrorCode = true;
if (NS_FAILED(aRv)) {
SetError(aRv);
}
}
NS_IMETHODIMP
WebSocket::OnStart(nsISupports* aContext)
{
NS_ABORT_IF_FALSE(NS_IsMainThread(), "Not running on main thread");
// This is the only function that sets OPEN, and should be called only once
MOZ_ASSERT(mReadyState != WebSocket::OPEN,
"readyState already OPEN! OnStart called twice?");
// Nothing to do if we've already closed/closing
if (mReadyState != WebSocket::CONNECTING) {
return NS_OK;
}
// Attempt to kill "ghost" websocket: but usually too early for check to fail
nsresult rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
CloseConnection(nsIWebSocketChannel::CLOSE_GOING_AWAY);
return rv;
}
if (!mRequestedProtocolList.IsEmpty()) {
mChannel->GetProtocol(mEstablishedProtocol);
}
mChannel->GetExtensions(mEstablishedExtensions);
UpdateURI();
mReadyState = WebSocket::OPEN;
// Call 'onopen'
rv = CreateAndDispatchSimpleEvent(NS_LITERAL_STRING("open"));
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch the open event");
}
UpdateMustKeepAlive();
return NS_OK;
}
void
FileRequest::FireProgressEvent(uint64_t aLoaded, uint64_t aTotal)
{
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return;
}
nsCOMPtr<nsIDOMEvent> event;
nsresult rv = NS_NewDOMProgressEvent(getter_AddRefs(event), nullptr, nullptr);
if (NS_FAILED(rv)) {
return;
}
nsCOMPtr<nsIDOMProgressEvent> progress = do_QueryInterface(event);
MOZ_ASSERT(progress);
rv = progress->InitProgressEvent(NS_LITERAL_STRING("progress"), false, false,
false, aLoaded, aTotal);
if (NS_FAILED(rv)) {
return;
}
DispatchTrustedEvent(event);
}
void
EventSource::ReestablishConnection()
{
if (mReadyState == CLOSED) {
return;
}
nsresult rv = ResetConnection();
if (NS_FAILED(rv)) {
NS_WARNING("Failed to reset the connection!!!");
return;
}
rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
// it doesn't bubble, and it isn't cancelable
event->InitEvent(NS_LITERAL_STRING("error"), false, false);
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch the error event!!!");
return;
}
rv = SetReconnectionTimeout();
if (NS_FAILED(rv)) {
NS_WARNING("Failed to set the timeout for reestablishing the connection!!!");
return;
}
}
void
EventSource::DispatchAllMessageEvents()
{
if (mReadyState == CLOSED || mFrozen) {
return;
}
mGoingToDispatchAllMessages = false;
nsresult rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
AutoJSAPI jsapi;
if (NS_WARN_IF(!jsapi.Init(GetOwner()))) {
return;
}
JSContext* cx = jsapi.cx();
while (mMessagesToDispatch.GetSize() > 0) {
nsAutoPtr<Message>
message(static_cast<Message*>(mMessagesToDispatch.PopFront()));
// Now we can turn our string into a jsval
JS::Rooted<JS::Value> jsData(cx);
{
JSString* jsString;
jsString = JS_NewUCStringCopyN(cx,
message->mData.get(),
message->mData.Length());
NS_ENSURE_TRUE_VOID(jsString);
jsData.setString(jsString);
}
// create an event that uses the MessageEvent interface,
// which does not bubble, is not cancelable, and has no default action
RefPtr<MessageEvent> event =
NS_NewDOMMessageEvent(this, nullptr, nullptr);
rv = event->InitMessageEvent(message->mEventName, false, false, jsData,
mOrigin, message->mLastEventID, nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to init the message event!!!");
return;
}
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, static_cast<Event*>(event), nullptr,
nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch the message event!!!");
return;
}
mLastEventID.Assign(message->mLastEventID);
}
}
nsresult
IDBRequest::SetDone(AsyncConnectionHelper* aHelper)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!mHaveResultOrErrorCode, "Already called!");
NS_ASSERTION(!mResultValRooted, "Already rooted?!");
NS_ASSERTION(JSVAL_IS_VOID(mResultVal), "Should be undefined!");
// See if our window is still valid. If not then we're going to pretend that
// we never completed.
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return NS_OK;
}
mHaveResultOrErrorCode = true;
nsresult rv = aHelper->GetResultCode();
// If the request failed then set the error code and return.
if (NS_FAILED(rv)) {
mErrorCode = NS_ERROR_GET_CODE(rv);
return NS_OK;
}
// Otherwise we need to get the result from the helper.
JSContext* cx = static_cast<JSContext*>(mScriptContext->GetNativeContext());
NS_ASSERTION(cx, "Failed to get a context!");
JSObject* global = static_cast<JSObject*>(mScriptContext->GetNativeGlobal());
NS_ASSERTION(global, "Failed to get global object!");
JSAutoRequest ar(cx);
JSAutoEnterCompartment ac;
if (!ac.enter(cx, global)) {
rv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
else {
RootResultVal();
rv = aHelper->GetSuccessResult(cx, &mResultVal);
if (NS_SUCCEEDED(rv)) {
// Unroot if we don't really need to be rooted.
if (!JSVAL_IS_GCTHING(mResultVal)) {
UnrootResultVal();
}
}
else {
NS_WARNING("GetSuccessResult failed!");
}
}
if (NS_SUCCEEDED(rv)) {
mErrorCode = 0;
}
else {
mErrorCode = NS_ERROR_GET_CODE(rv);
mResultVal = JSVAL_VOID;
}
return rv;
}
nsresult
EventSource::InitChannelAndRequestEventSource()
{
if (mReadyState == CLOSED) {
return NS_ERROR_ABORT;
}
bool isValidScheme =
(NS_SUCCEEDED(mSrc->SchemeIs("http", &isValidScheme)) && isValidScheme) ||
(NS_SUCCEEDED(mSrc->SchemeIs("https", &isValidScheme)) && isValidScheme);
nsresult rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv) || !isValidScheme) {
DispatchFailConnection();
return NS_ERROR_DOM_SECURITY_ERR;
}
nsLoadFlags loadFlags;
loadFlags = nsIRequest::LOAD_BACKGROUND | nsIRequest::LOAD_BYPASS_CACHE;
nsIScriptContext* sc = GetContextForEventHandlers(&rv);
nsCOMPtr<nsIDocument> doc =
nsContentUtils::GetDocumentFromScriptContext(sc);
nsSecurityFlags securityFlags =
nsILoadInfo::SEC_REQUIRE_CORS_DATA_INHERITS;
if (mWithCredentials) {
securityFlags |= nsILoadInfo::SEC_REQUIRE_CORS_WITH_CREDENTIALS;
}
nsCOMPtr<nsIChannel> channel;
// If we have the document, use it
if (doc) {
rv = NS_NewChannel(getter_AddRefs(channel),
mSrc,
doc,
securityFlags,
nsIContentPolicy::TYPE_INTERNAL_EVENTSOURCE,
mLoadGroup, // loadGroup
nullptr, // aCallbacks
loadFlags); // aLoadFlags
} else {
// otherwise use the principal
rv = NS_NewChannel(getter_AddRefs(channel),
mSrc,
mPrincipal,
securityFlags,
nsIContentPolicy::TYPE_INTERNAL_EVENTSOURCE,
mLoadGroup, // loadGroup
nullptr, // aCallbacks
loadFlags); // aLoadFlags
}
NS_ENSURE_SUCCESS(rv, rv);
mHttpChannel = do_QueryInterface(channel);
NS_ENSURE_TRUE(mHttpChannel, NS_ERROR_NO_INTERFACE);
rv = SetupHttpChannel();
NS_ENSURE_SUCCESS(rv, rv);
#ifdef DEBUG
{
nsCOMPtr<nsIInterfaceRequestor> notificationCallbacks;
mHttpChannel->GetNotificationCallbacks(getter_AddRefs(notificationCallbacks));
MOZ_ASSERT(!notificationCallbacks);
}
#endif
mHttpChannel->SetNotificationCallbacks(this);
// Start reading from the channel
rv = mHttpChannel->AsyncOpen2(this);
if (NS_FAILED(rv)) {
DispatchFailConnection();
return rv;
}
mWaitingForOnStopRequest = true;
return rv;
}
