NS_IMETHODIMP
nsBaseChannel::GetOriginalURI(nsIURI **aURI)
{
*aURI = OriginalURI();
NS_ADDREF(*aURI);
return NS_OK;
}
nsresult
nsBaseChannel::ContinueRedirect()
{
// Backwards compat for non-internal redirects from a HTTP channel.
// XXX Is our http channel implementation going to derive from nsBaseChannel?
// If not, this code can be removed.
if (!(mRedirectFlags & nsIChannelEventSink::REDIRECT_INTERNAL)) {
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface();
if (httpChannel) {
nsCOMPtr<nsIHttpEventSink> httpEventSink;
GetCallback(httpEventSink);
if (httpEventSink) {
nsresult rv = httpEventSink->OnRedirect(httpChannel, mRedirectChannel);
if (NS_FAILED(rv)) {
return rv;
}
}
}
}
// Make sure to do this _after_ making all the OnChannelRedirect calls
mRedirectChannel->SetOriginalURI(OriginalURI());
// If we fail to open the new channel, then we want to leave this channel
// unaffected, so we defer tearing down our channel until we have succeeded
// with the redirect.
if (mOpenRedirectChannel) {
nsresult rv = NS_OK;
if (mLoadInfo && mLoadInfo->GetEnforceSecurity()) {
MOZ_ASSERT(!mListenerContext, "mListenerContext should be null!");
rv = mRedirectChannel->AsyncOpen2(mListener);
}
else {
rv = mRedirectChannel->AsyncOpen(mListener, mListenerContext);
}
NS_ENSURE_SUCCESS(rv, rv);
}
mRedirectChannel = nullptr;
// close down this channel
Cancel(NS_BINDING_REDIRECTED);
ChannelDone();
return NS_OK;
}
nsresult
nsBaseChannel::Redirect(nsIChannel *newChannel, PRUint32 redirectFlags)
{
SUSPEND_PUMP_FOR_SCOPE();
// Transfer properties
newChannel->SetOriginalURI(OriginalURI());
newChannel->SetLoadGroup(mLoadGroup);
newChannel->SetNotificationCallbacks(mCallbacks);
newChannel->SetLoadFlags(mLoadFlags | LOAD_REPLACE);
nsCOMPtr<nsIWritablePropertyBag> bag = ::do_QueryInterface(newChannel);
if (bag)
mPropertyHash.EnumerateRead(CopyProperties, bag.get());
// Notify consumer, giving chance to cancel redirect. For backwards compat,
// we support nsIHttpEventSink if we are an HTTP channel and if this is not
// an internal redirect.
// Global observers. These come first so that other observers don't see
// redirects that get aborted for security reasons anyway.
NS_ASSERTION(gIOService, "Must have an IO service");
nsresult rv = gIOService->OnChannelRedirect(this, newChannel, redirectFlags);
if (NS_FAILED(rv))
return rv;
// Backwards compat for non-internal redirects from a HTTP channel.
if (!(redirectFlags & nsIChannelEventSink::REDIRECT_INTERNAL)) {
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface();
if (httpChannel) {
nsCOMPtr<nsIHttpEventSink> httpEventSink;
GetCallback(httpEventSink);
if (httpEventSink) {
rv = httpEventSink->OnRedirect(httpChannel, newChannel);
if (NS_FAILED(rv))
return rv;
}
}
}
nsCOMPtr<nsIChannelEventSink> channelEventSink;
// Give our consumer a chance to observe/block this redirect.
GetCallback(channelEventSink);
if (channelEventSink) {
rv = channelEventSink->OnChannelRedirect(this, newChannel, redirectFlags);
if (NS_FAILED(rv))
return rv;
}
// If we fail to open the new channel, then we want to leave this channel
// unaffected, so we defer tearing down our channel until we have succeeded
// with the redirect.
rv = newChannel->AsyncOpen(mListener, mListenerContext);
if (NS_FAILED(rv))
return rv;
// close down this channel
Cancel(NS_BINDING_REDIRECTED);
mListener = nsnull;
mListenerContext = nsnull;
return NS_OK;
}