tenfourfox/dom/fetch/ChannelInfo.cpp
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

139 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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 "mozilla/dom/ChannelInfo.h"
#include "nsCOMPtr.h"
#include "nsContentUtils.h"
#include "nsIChannel.h"
#include "nsIDocument.h"
#include "nsIHttpChannel.h"
#include "nsSerializationHelper.h"
#include "mozilla/net/HttpBaseChannel.h"
#include "mozilla/ipc/ChannelInfo.h"
#include "nsIJARChannel.h"
#include "nsJARChannel.h"
#include "nsNetUtil.h"
using namespace mozilla;
using namespace mozilla::dom;
void
ChannelInfo::InitFromDocument(nsIDocument* aDoc)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!mInited, "Cannot initialize the object twice");
nsCOMPtr<nsISupports> securityInfo = aDoc->GetSecurityInfo();
if (securityInfo) {
SetSecurityInfo(securityInfo);
}
mInited = true;
}
void
ChannelInfo::InitFromChannel(nsIChannel* aChannel)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!mInited, "Cannot initialize the object twice");
nsCOMPtr<nsISupports> securityInfo;
aChannel->GetSecurityInfo(getter_AddRefs(securityInfo));
if (securityInfo) {
SetSecurityInfo(securityInfo);
}
mInited = true;
}
void
ChannelInfo::InitFromChromeGlobal(nsIGlobalObject* aGlobal)
{
MOZ_ASSERT(!mInited, "Cannot initialize the object twice");
MOZ_ASSERT(aGlobal);
MOZ_RELEASE_ASSERT(
nsContentUtils::IsSystemPrincipal(aGlobal->PrincipalOrNull()));
mSecurityInfo.Truncate();
mInited = true;
}
void
ChannelInfo::InitFromIPCChannelInfo(const mozilla::ipc::IPCChannelInfo& aChannelInfo)
{
MOZ_ASSERT(!mInited, "Cannot initialize the object twice");
mSecurityInfo = aChannelInfo.securityInfo();
mInited = true;
}
void
ChannelInfo::SetSecurityInfo(nsISupports* aSecurityInfo)
{
MOZ_ASSERT(mSecurityInfo.IsEmpty(), "security info should only be set once");
nsCOMPtr<nsISerializable> serializable = do_QueryInterface(aSecurityInfo);
if (!serializable) {
NS_WARNING("A non-serializable object was passed to InternalResponse::SetSecurityInfo");
return;
}
NS_SerializeToString(serializable, mSecurityInfo);
}
nsresult
ChannelInfo::ResurrectInfoOnChannel(nsIChannel* aChannel)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mInited);
// These pointers may be null at this point. They must be checked before
// being dereferenced.
nsCOMPtr<nsIHttpChannel> httpChannel =
do_QueryInterface(aChannel);
nsCOMPtr<nsIJARChannel> jarChannel =
do_QueryInterface(aChannel);
if (!mSecurityInfo.IsEmpty()) {
nsCOMPtr<nsISupports> infoObj;
nsresult rv = NS_DeserializeObject(mSecurityInfo, getter_AddRefs(infoObj));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (httpChannel) {
net::HttpBaseChannel* httpBaseChannel =
static_cast<net::HttpBaseChannel*>(httpChannel.get());
rv = httpBaseChannel->OverrideSecurityInfo(infoObj);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
} else {
if (NS_WARN_IF(!jarChannel)) {
return NS_ERROR_FAILURE;
}
static_cast<nsJARChannel*>(jarChannel.get())->
OverrideSecurityInfo(infoObj);
}
}
return NS_OK;
}
mozilla::ipc::IPCChannelInfo
ChannelInfo::AsIPCChannelInfo() const
{
// This may be called when mInited is false, for example if we try to store
// a synthesized Response object into the Cache. Uninitialized and empty
// ChannelInfo objects are indistinguishable at the IPC level, so this is
// fine.
IPCChannelInfo ipcInfo;
ipcInfo.securityInfo() = mSecurityInfo;
return ipcInfo;
}