gecko-dev/netwerk/protocol/wyciwyg/WyciwygChannelParent.cpp

423 строки
12 KiB
C++

/* 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 "nsWyciwyg.h"
#include "mozilla/net/WyciwygChannelParent.h"
#include "nsWyciwygChannel.h"
#include "nsNetUtil.h"
#include "nsCharsetSource.h"
#include "nsISerializable.h"
#include "nsSerializationHelper.h"
#include "mozilla/ipc/URIUtils.h"
#include "mozilla/net/NeckoParent.h"
#include "SerializedLoadContext.h"
#include "nsIContentPolicy.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "mozilla/dom/ContentParent.h"
using namespace mozilla::ipc;
namespace mozilla {
namespace net {
WyciwygChannelParent::WyciwygChannelParent()
: mIPCClosed(false)
, mReceivedAppData(false)
{
}
WyciwygChannelParent::~WyciwygChannelParent()
{
}
void
WyciwygChannelParent::ActorDestroy(ActorDestroyReason why)
{
// We may still have refcount>0 if the channel hasn't called OnStopRequest
// yet, but we must not send any more msgs to child.
mIPCClosed = true;
// We need to force the cycle to break here
if (mChannel) {
mChannel->SetNotificationCallbacks(nullptr);
}
}
//-----------------------------------------------------------------------------
// WyciwygChannelParent::nsISupports
//-----------------------------------------------------------------------------
NS_IMPL_ISUPPORTS(WyciwygChannelParent,
nsIStreamListener,
nsIInterfaceRequestor,
nsIRequestObserver)
//-----------------------------------------------------------------------------
// WyciwygChannelParent::PWyciwygChannelParent
//-----------------------------------------------------------------------------
mozilla::ipc::IPCResult
WyciwygChannelParent::RecvInit(const URIParams& aURI,
const ipc::PrincipalInfo& aRequestingPrincipalInfo,
const ipc::PrincipalInfo& aTriggeringPrincipalInfo,
const ipc::PrincipalInfo& aPrincipalToInheritInfo,
const uint32_t& aSecurityFlags,
const uint32_t& aContentPolicyType)
{
nsresult rv;
nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
if (!uri)
return IPC_FAIL_NO_REASON(this);
LOG(("WyciwygChannelParent RecvInit [this=%p uri=%s]\n",
this, uri->GetSpecOrDefault().get()));
nsCOMPtr<nsIIOService> ios(do_GetIOService(&rv));
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
nsCOMPtr<nsIPrincipal> requestingPrincipal =
mozilla::ipc::PrincipalInfoToPrincipal(aRequestingPrincipalInfo, &rv);
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
nsCOMPtr<nsIPrincipal> triggeringPrincipal =
mozilla::ipc::PrincipalInfoToPrincipal(aTriggeringPrincipalInfo, &rv);
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
nsCOMPtr<nsIPrincipal> principalToInherit =
mozilla::ipc::PrincipalInfoToPrincipal(aPrincipalToInheritInfo, &rv);
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
nsCOMPtr<nsIChannel> chan;
rv = NS_NewChannelWithTriggeringPrincipal(getter_AddRefs(chan),
uri,
requestingPrincipal,
triggeringPrincipal,
aSecurityFlags,
aContentPolicyType,
nullptr, // loadGroup
nullptr, // aCallbacks
nsIRequest::LOAD_NORMAL,
ios);
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
nsCOMPtr<nsILoadInfo> loadInfo = chan->GetLoadInfo();
if (loadInfo) {
rv = loadInfo->SetPrincipalToInherit(principalToInherit);
}
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mChannel = do_QueryInterface(chan, &rv);
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
return IPC_OK();
}
mozilla::ipc::IPCResult
WyciwygChannelParent::RecvAppData(const IPC::SerializedLoadContext& loadContext,
const PBrowserOrId &parent)
{
LOG(("WyciwygChannelParent RecvAppData [this=%p]\n", this));
if (!SetupAppData(loadContext, parent))
return IPC_FAIL_NO_REASON(this);
mChannel->SetNotificationCallbacks(this);
return IPC_OK();
}
bool
WyciwygChannelParent::SetupAppData(const IPC::SerializedLoadContext& loadContext,
const PBrowserOrId &aParent)
{
if (!mChannel)
return true;
const char* error = NeckoParent::CreateChannelLoadContext(aParent,
Manager()->Manager(),
loadContext,
nullptr,
mLoadContext);
if (error) {
printf_stderr("WyciwygChannelParent::SetupAppData: FATAL ERROR: %s\n",
error);
return false;
}
if (!mLoadContext && loadContext.IsPrivateBitValid()) {
nsCOMPtr<nsIPrivateBrowsingChannel> pbChannel = do_QueryInterface(mChannel);
if (pbChannel)
pbChannel->SetPrivate(loadContext.mOriginAttributes.mPrivateBrowsingId > 0);
}
mReceivedAppData = true;
return true;
}
mozilla::ipc::IPCResult
WyciwygChannelParent::RecvAsyncOpen(const URIParams& aOriginal,
const uint32_t& aLoadFlags,
const IPC::SerializedLoadContext& loadContext,
const PBrowserOrId &aParent)
{
nsCOMPtr<nsIURI> original = DeserializeURI(aOriginal);
if (!original)
return IPC_FAIL_NO_REASON(this);
LOG(("WyciwygChannelParent RecvAsyncOpen [this=%p]\n", this));
if (!mChannel)
return IPC_OK();
nsresult rv;
rv = mChannel->SetOriginalURI(original);
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
rv = mChannel->SetLoadFlags(aLoadFlags);
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
if (!mReceivedAppData && !SetupAppData(loadContext, aParent)) {
return IPC_FAIL_NO_REASON(this);
}
rv = mChannel->SetNotificationCallbacks(this);
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
nsCOMPtr<nsILoadInfo> loadInfo = mChannel->GetLoadInfo();
if (loadInfo && loadInfo->GetEnforceSecurity()) {
rv = mChannel->AsyncOpen2(this);
}
else {
rv = mChannel->AsyncOpen(this, nullptr);
}
if (NS_FAILED(rv)) {
if (!SendCancelEarly(rv)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
return IPC_OK();
}
mozilla::ipc::IPCResult
WyciwygChannelParent::RecvWriteToCacheEntry(const nsDependentSubstring& data)
{
if (!mReceivedAppData) {
printf_stderr("WyciwygChannelParent::RecvWriteToCacheEntry: FATAL ERROR: didn't receive app data\n");
return IPC_FAIL_NO_REASON(this);
}
if (mChannel)
mChannel->WriteToCacheEntry(data);
return IPC_OK();
}
mozilla::ipc::IPCResult
WyciwygChannelParent::RecvCloseCacheEntry(const nsresult& reason)
{
if (mChannel) {
mChannel->CloseCacheEntry(reason);
}
return IPC_OK();
}
mozilla::ipc::IPCResult
WyciwygChannelParent::RecvSetCharsetAndSource(const int32_t& aCharsetSource,
const nsCString& aCharset)
{
if (mChannel)
mChannel->SetCharsetAndSource(aCharsetSource, aCharset);
return IPC_OK();
}
mozilla::ipc::IPCResult
WyciwygChannelParent::RecvSetSecurityInfo(const nsCString& aSecurityInfo)
{
if (mChannel) {
nsCOMPtr<nsISupports> securityInfo;
NS_DeserializeObject(aSecurityInfo, getter_AddRefs(securityInfo));
mChannel->SetSecurityInfo(securityInfo);
}
return IPC_OK();
}
mozilla::ipc::IPCResult
WyciwygChannelParent::RecvCancel(const nsresult& aStatusCode)
{
if (mChannel)
mChannel->Cancel(aStatusCode);
return IPC_OK();
}
//-----------------------------------------------------------------------------
// WyciwygChannelParent::nsIRequestObserver
//-----------------------------------------------------------------------------
NS_IMETHODIMP
WyciwygChannelParent::OnStartRequest(nsIRequest *aRequest, nsISupports *aContext)
{
LOG(("WyciwygChannelParent::OnStartRequest [this=%p]\n", this));
nsresult rv;
nsCOMPtr<nsIWyciwygChannel> chan = do_QueryInterface(aRequest, &rv);
NS_ENSURE_SUCCESS(rv, rv);
// Send down any permissions which are relevant to this URL if we are
// performing a document load.
PContentParent* pcp = Manager()->Manager();
rv = static_cast<ContentParent*>(pcp)->AboutToLoadHttpFtpWyciwygDocumentForChild(chan);
MOZ_ASSERT(NS_SUCCEEDED(rv));
nsresult status;
chan->GetStatus(&status);
int64_t contentLength = -1;
chan->GetContentLength(&contentLength);
int32_t charsetSource = kCharsetUninitialized;
nsAutoCString charset;
chan->GetCharsetAndSource(&charsetSource, charset);
nsCOMPtr<nsISupports> securityInfo;
chan->GetSecurityInfo(getter_AddRefs(securityInfo));
nsCString secInfoStr;
if (securityInfo) {
nsCOMPtr<nsISerializable> serializable = do_QueryInterface(securityInfo);
if (serializable)
NS_SerializeToString(serializable, secInfoStr);
else {
NS_ERROR("Can't serialize security info");
return NS_ERROR_UNEXPECTED;
}
}
if (mIPCClosed ||
!SendOnStartRequest(status, contentLength, charsetSource, charset, secInfoStr)) {
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
NS_IMETHODIMP
WyciwygChannelParent::OnStopRequest(nsIRequest *aRequest,
nsISupports *aContext,
nsresult aStatusCode)
{
LOG(("WyciwygChannelParent::OnStopRequest: [this=%p status=%" PRIu32 "]\n",
this, static_cast<uint32_t>(aStatusCode)));
if (mIPCClosed || !SendOnStopRequest(aStatusCode)) {
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// WyciwygChannelParent::nsIStreamListener
//-----------------------------------------------------------------------------
NS_IMETHODIMP
WyciwygChannelParent::OnDataAvailable(nsIRequest *aRequest,
nsISupports *aContext,
nsIInputStream *aInputStream,
uint64_t aOffset,
uint32_t aCount)
{
LOG(("WyciwygChannelParent::OnDataAvailable [this=%p]\n", this));
nsCString data;
nsresult rv = NS_ReadInputStreamToString(aInputStream, data, aCount);
if (NS_FAILED(rv))
return rv;
if (mIPCClosed || !SendOnDataAvailable(data, aOffset)) {
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// WyciwygChannelParent::nsIInterfaceRequestor
//-----------------------------------------------------------------------------
NS_IMETHODIMP
WyciwygChannelParent::GetInterface(const nsIID& uuid, void** result)
{
// Only support nsILoadContext if child channel's callbacks did too
if (uuid.Equals(NS_GET_IID(nsILoadContext)) && mLoadContext) {
nsCOMPtr<nsILoadContext> copy = mLoadContext;
copy.forget(result);
return NS_OK;
}
return QueryInterface(uuid, result);
}
} // namespace net
} // namespace mozilla