tenfourfox/netwerk/base/nsSecCheckWrapChannel.cpp

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2017-04-19 07:56:45 +00:00
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 "nsContentSecurityManager.h"
#include "nsSecCheckWrapChannel.h"
#include "nsIForcePendingChannel.h"
#include "nsCOMPtr.h"
static mozilla::LazyLogModule gChannelWrapperLog("ChannelWrapper");
#define CHANNELWRAPPERLOG(args) MOZ_LOG(gChannelWrapperLog, mozilla::LogLevel::Debug, args)
NS_IMPL_ADDREF(nsSecCheckWrapChannelBase)
NS_IMPL_RELEASE(nsSecCheckWrapChannelBase)
NS_INTERFACE_MAP_BEGIN(nsSecCheckWrapChannelBase)
NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIHttpChannel, mHttpChannel)
NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIHttpChannelInternal, mHttpChannelInternal)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIHttpChannel)
NS_INTERFACE_MAP_ENTRY(nsIRequest)
NS_INTERFACE_MAP_ENTRY(nsIChannel)
NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIUploadChannel, mUploadChannel)
NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIUploadChannel2, mUploadChannel2)
NS_INTERFACE_MAP_ENTRY(nsISecCheckWrapChannel)
NS_INTERFACE_MAP_END
//---------------------------------------------------------
// nsSecCheckWrapChannelBase implementation
//---------------------------------------------------------
nsSecCheckWrapChannelBase::nsSecCheckWrapChannelBase(nsIChannel* aChannel)
: mChannel(aChannel)
, mHttpChannel(do_QueryInterface(aChannel))
, mHttpChannelInternal(do_QueryInterface(aChannel))
, mRequest(do_QueryInterface(aChannel))
, mUploadChannel(do_QueryInterface(aChannel))
, mUploadChannel2(do_QueryInterface(aChannel))
{
MOZ_ASSERT(mChannel, "can not create a channel wrapper without a channel");
}
nsSecCheckWrapChannelBase::~nsSecCheckWrapChannelBase()
{
}
//---------------------------------------------------------
// nsISecCheckWrapChannel implementation
//---------------------------------------------------------
NS_IMETHODIMP
nsSecCheckWrapChannelBase::GetInnerChannel(nsIChannel **aInnerChannel)
{
NS_IF_ADDREF(*aInnerChannel = mChannel);
return NS_OK;
}
//---------------------------------------------------------
// nsSecCheckWrapChannel implementation
//---------------------------------------------------------
nsSecCheckWrapChannel::nsSecCheckWrapChannel(nsIChannel* aChannel,
nsILoadInfo* aLoadInfo)
: nsSecCheckWrapChannelBase(aChannel)
, mLoadInfo(aLoadInfo)
{
{
nsCOMPtr<nsIURI> uri;
mChannel->GetURI(getter_AddRefs(uri));
nsAutoCString spec;
if (uri) {
uri->GetSpec(spec);
}
CHANNELWRAPPERLOG(("nsSecCheckWrapChannel::nsSecCheckWrapChannel [%p] (%s)",this, spec.get()));
}
}
// static
already_AddRefed<nsIChannel>
nsSecCheckWrapChannel::MaybeWrap(nsIChannel* aChannel, nsILoadInfo* aLoadInfo)
{
// Maybe a custom protocol handler actually returns a gecko
// http/ftpChannel - To check this we will check whether the channel
// implements a gecko non-scriptable interface e.g. nsIForcePendingChannel.
nsCOMPtr<nsIForcePendingChannel> isGeckoChannel = do_QueryInterface(aChannel);
nsCOMPtr<nsIChannel> channel;
if (isGeckoChannel) {
// If it is a gecko channel (ftp or http) we do not need to wrap it.
channel = aChannel;
channel->SetLoadInfo(aLoadInfo);
} else {
channel = new nsSecCheckWrapChannel(aChannel, aLoadInfo);
}
return channel.forget();
}
nsSecCheckWrapChannel::~nsSecCheckWrapChannel()
{
}
//---------------------------------------------------------
// SecWrapChannelStreamListener helper
//---------------------------------------------------------
class SecWrapChannelStreamListener final : public nsIStreamListener
{
public:
SecWrapChannelStreamListener(nsIRequest *aRequest,
nsIStreamListener *aStreamListener)
: mRequest(aRequest)
, mListener(aStreamListener) {}
NS_DECL_ISUPPORTS
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSIREQUESTOBSERVER
private:
~SecWrapChannelStreamListener() {}
nsCOMPtr<nsIRequest> mRequest;
nsCOMPtr<nsIStreamListener> mListener;
};
NS_IMPL_ISUPPORTS(SecWrapChannelStreamListener,
nsIStreamListener,
nsIRequestObserver)
NS_IMETHODIMP
SecWrapChannelStreamListener::OnStartRequest(nsIRequest *aRequest,
nsISupports *aContext)
{
return mListener->OnStartRequest(mRequest, aContext);
}
NS_IMETHODIMP
SecWrapChannelStreamListener::OnStopRequest(nsIRequest *aRequest,
nsISupports *aContext,
nsresult aStatus)
{
return mListener->OnStopRequest(mRequest, aContext, aStatus);
}
NS_IMETHODIMP
SecWrapChannelStreamListener::OnDataAvailable(nsIRequest *aRequest,
nsISupports *aContext,
nsIInputStream *aInStream,
uint64_t aOffset,
uint32_t aCount)
{
return mListener->OnDataAvailable(mRequest, aContext, aInStream, aOffset, aCount);
}
//---------------------------------------------------------
// nsIChannel implementation
//---------------------------------------------------------
NS_IMETHODIMP
nsSecCheckWrapChannel::GetLoadInfo(nsILoadInfo** aLoadInfo)
{
CHANNELWRAPPERLOG(("nsSecCheckWrapChannel::GetLoadInfo() [%p]",this));
NS_IF_ADDREF(*aLoadInfo = mLoadInfo);
return NS_OK;
}
NS_IMETHODIMP
nsSecCheckWrapChannel::SetLoadInfo(nsILoadInfo* aLoadInfo)
{
CHANNELWRAPPERLOG(("nsSecCheckWrapChannel::SetLoadInfo() [%p]", this));
mLoadInfo = aLoadInfo;
return NS_OK;
}
NS_IMETHODIMP
nsSecCheckWrapChannel::AsyncOpen2(nsIStreamListener *aListener)
{
nsCOMPtr<nsIStreamListener> secWrapChannelListener =
new SecWrapChannelStreamListener(this, aListener);
nsresult rv = nsContentSecurityManager::doContentSecurityCheck(this, secWrapChannelListener);
NS_ENSURE_SUCCESS(rv, rv);
return AsyncOpen(secWrapChannelListener, nullptr);
}
NS_IMETHODIMP
nsSecCheckWrapChannel::Open2(nsIInputStream** aStream)
{
nsCOMPtr<nsIStreamListener> listener;
nsresult rv = nsContentSecurityManager::doContentSecurityCheck(this, listener);
NS_ENSURE_SUCCESS(rv, rv);
return Open(aStream);
}