nsresult
ChannelMediaResource::OnChannelRedirect(nsIChannel* aOld, nsIChannel* aNew,
uint32_t aFlags)
{
mChannel = aNew;
SetupChannelHeaders();
return NS_OK;
}
nsresult
ChannelMediaResource::OnChannelRedirect(nsIChannel* aOld, nsIChannel* aNew,
uint32_t aFlags)
{
mChannel = new nsMainThreadPtrHolder<nsIChannel>(aNew);
SetupChannelHeaders();
return NS_OK;
}
nsresult ChannelMediaResource::OpenChannel(nsIStreamListener** aStreamListener)
{
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
NS_ENSURE_TRUE(mChannel, NS_ERROR_NULL_POINTER);
NS_ASSERTION(!mListener, "Listener should have been removed by now");
if (aStreamListener) {
*aStreamListener = nullptr;
}
if (mByteRange.IsNull()) {
// We're not making a byte range request, so set the content length,
// if it's available as an HTTP header. This ensures that MediaResource
// wrapping objects for platform libraries that expect to know
// the length of a resource can get it before OnStartRequest() fires.
nsCOMPtr<nsIHttpChannel> hc = do_QueryInterface(mChannel);
if (hc) {
int64_t cl = -1;
if (NS_SUCCEEDED(hc->GetContentLength(&cl)) && cl != -1) {
mCacheStream.NotifyDataLength(cl);
}
}
}
mListener = new Listener(this);
NS_ENSURE_TRUE(mListener, NS_ERROR_OUT_OF_MEMORY);
if (aStreamListener) {
*aStreamListener = mListener;
NS_ADDREF(*aStreamListener);
} else {
mChannel->SetNotificationCallbacks(mListener.get());
nsCOMPtr<nsIStreamListener> listener = mListener.get();
// Ensure that if we're loading cross domain, that the server is sending
// an authorizing Access-Control header.
MediaDecoderOwner* owner = mDecoder->GetMediaOwner();
NS_ENSURE_TRUE(owner, NS_ERROR_FAILURE);
dom::HTMLMediaElement* element = owner->GetMediaElement();
NS_ENSURE_TRUE(element, NS_ERROR_FAILURE);
if (element->ShouldCheckAllowOrigin()) {
nsRefPtr<nsCORSListenerProxy> crossSiteListener =
new nsCORSListenerProxy(mListener,
element->NodePrincipal(),
false);
nsresult rv = crossSiteListener->Init(mChannel);
listener = crossSiteListener;
NS_ENSURE_TRUE(crossSiteListener, NS_ERROR_OUT_OF_MEMORY);
NS_ENSURE_SUCCESS(rv, rv);
} else {
nsresult rv = nsContentUtils::GetSecurityManager()->
CheckLoadURIWithPrincipal(element->NodePrincipal(),
mURI,
nsIScriptSecurityManager::STANDARD);
NS_ENSURE_SUCCESS(rv, rv);
}
SetupChannelHeaders();
nsresult rv = mChannel->AsyncOpen(listener, nullptr);
NS_ENSURE_SUCCESS(rv, rv);
// Tell the media element that we are fetching data from a channel.
element->DownloadResumed(true);
}
return NS_OK;
}
