diff options
Diffstat (limited to 'netwerk/ipc/DocumentChannel.cpp')
| -rw-r--r-- | netwerk/ipc/DocumentChannel.cpp | 484 |
1 files changed, 484 insertions, 0 deletions
diff --git a/netwerk/ipc/DocumentChannel.cpp b/netwerk/ipc/DocumentChannel.cpp new file mode 100644 index 0000000000..a0d6a0c1f9 --- /dev/null +++ b/netwerk/ipc/DocumentChannel.cpp @@ -0,0 +1,484 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set sw=2 ts=8 et 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/net/DocumentChannel.h" + +#include <inttypes.h> +#include <utility> +#include "mozIDOMWindow.h" +#include "mozilla/AlreadyAddRefed.h" +#include "mozilla/Assertions.h" +#include "mozilla/LoadInfo.h" +#include "mozilla/Logging.h" +#include "mozilla/RefPtr.h" +#include "mozilla/TimeStamp.h" +#include "mozilla/Unused.h" +#include "mozilla/dom/Document.h" +#include "mozilla/net/DocumentChannelChild.h" +#include "mozilla/net/ParentProcessDocumentChannel.h" +#include "nsCOMPtr.h" +#include "nsDebug.h" +#include "nsDocShell.h" +#include "nsDocShellLoadState.h" +#include "nsHttpHandler.h" +#include "nsIContentPolicy.h" +#include "nsIInterfaceRequestor.h" +#include "nsILoadContext.h" +#include "nsILoadGroup.h" +#include "nsILoadInfo.h" +#include "nsIStreamListener.h" +#include "nsIURI.h" +#include "nsMimeTypes.h" +#include "nsNetUtil.h" +#include "nsPIDOMWindow.h" +#include "nsPIDOMWindowInlines.h" +#include "nsStringFwd.h" +#include "nsThreadUtils.h" +#include "nsXULAppAPI.h" +#include "nscore.h" + +using namespace mozilla::dom; +using namespace mozilla::ipc; + +extern mozilla::LazyLogModule gDocumentChannelLog; +#define LOG(fmt) MOZ_LOG(gDocumentChannelLog, mozilla::LogLevel::Verbose, fmt) + +namespace mozilla { +namespace net { + +//----------------------------------------------------------------------------- +// DocumentChannel::nsISupports + +NS_IMPL_ADDREF(DocumentChannel) +NS_IMPL_RELEASE(DocumentChannel) + +NS_INTERFACE_MAP_BEGIN(DocumentChannel) + NS_INTERFACE_MAP_ENTRY(nsIRequest) + NS_INTERFACE_MAP_ENTRY(nsIChannel) + NS_INTERFACE_MAP_ENTRY(nsIIdentChannel) + NS_INTERFACE_MAP_ENTRY_CONCRETE(DocumentChannel) + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIRequest) +NS_INTERFACE_MAP_END + +DocumentChannel::DocumentChannel(nsDocShellLoadState* aLoadState, + net::LoadInfo* aLoadInfo, + nsLoadFlags aLoadFlags, uint32_t aCacheKey, + bool aUriModified, + bool aIsEmbeddingBlockedError) + : mLoadState(aLoadState), + mCacheKey(aCacheKey), + mLoadFlags(aLoadFlags), + mURI(aLoadState->URI()), + mLoadInfo(aLoadInfo), + mUriModified(aUriModified), + mIsEmbeddingBlockedError(aIsEmbeddingBlockedError) { + LOG(("DocumentChannel ctor [this=%p, uri=%s]", this, + aLoadState->URI()->GetSpecOrDefault().get())); + RefPtr<nsHttpHandler> handler = nsHttpHandler::GetInstance(); + uint64_t channelId; + Unused << handler->NewChannelId(channelId); + mChannelId = channelId; +} + +NS_IMETHODIMP +DocumentChannel::AsyncOpen(nsIStreamListener* aListener) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +void DocumentChannel::ShutdownListeners(nsresult aStatusCode) { + LOG(("DocumentChannel ShutdownListeners [this=%p, status=%" PRIx32 "]", this, + static_cast<uint32_t>(aStatusCode))); + mStatus = aStatusCode; + + nsCOMPtr<nsIStreamListener> listener = mListener; + if (listener) { + listener->OnStartRequest(this); + } + + mIsPending = false; + + listener = mListener; // it might have changed! + nsCOMPtr<nsILoadGroup> loadGroup = mLoadGroup; + + mListener = nullptr; + mLoadGroup = nullptr; + mCallbacks = nullptr; + + NS_DispatchToMainThread(NS_NewRunnableFunction( + "DocumentChannel::ShutdownListeners", [=, self = RefPtr{this}] { + if (listener) { + listener->OnStopRequest(self, aStatusCode); + } + + if (loadGroup) { + loadGroup->RemoveRequest(self, nullptr, aStatusCode); + } + })); + + DeleteIPDL(); +} + +void DocumentChannel::DisconnectChildListeners( + const nsresult& aStatus, const nsresult& aLoadGroupStatus) { + MOZ_ASSERT(NS_FAILED(aStatus)); + mStatus = aLoadGroupStatus; + // Make sure we remove from the load group before + // setting mStatus, as existing tests expect the + // status to be successful when we disconnect. + if (mLoadGroup) { + mLoadGroup->RemoveRequest(this, nullptr, aStatus); + mLoadGroup = nullptr; + } + + ShutdownListeners(aStatus); +} + +nsDocShell* DocumentChannel::GetDocShell() { + nsCOMPtr<nsILoadContext> loadContext; + NS_QueryNotificationCallbacks(this, loadContext); + if (!loadContext) { + return nullptr; + } + nsCOMPtr<mozIDOMWindowProxy> domWindow; + loadContext->GetAssociatedWindow(getter_AddRefs(domWindow)); + if (!domWindow) { + return nullptr; + } + auto* pDomWindow = nsPIDOMWindowOuter::From(domWindow); + nsIDocShell* docshell = pDomWindow->GetDocShell(); + return nsDocShell::Cast(docshell); +} + +static bool URIUsesDocChannel(nsIURI* aURI) { + if (SchemeIsJavascript(aURI)) { + return false; + } + + nsCString spec = aURI->GetSpecOrDefault(); + return !spec.EqualsLiteral("about:crashcontent"); +} + +bool DocumentChannel::CanUseDocumentChannel(nsIURI* aURI) { + // We want to use DocumentChannel if we're using a supported scheme. + return URIUsesDocChannel(aURI); +} + +/* static */ +already_AddRefed<DocumentChannel> DocumentChannel::CreateForDocument( + nsDocShellLoadState* aLoadState, class LoadInfo* aLoadInfo, + nsLoadFlags aLoadFlags, nsIInterfaceRequestor* aNotificationCallbacks, + uint32_t aCacheKey, bool aUriModified, bool aIsEmbeddingBlockedError) { + RefPtr<DocumentChannel> channel; + if (XRE_IsContentProcess()) { + channel = + new DocumentChannelChild(aLoadState, aLoadInfo, aLoadFlags, aCacheKey, + aUriModified, aIsEmbeddingBlockedError); + } else { + channel = new ParentProcessDocumentChannel( + aLoadState, aLoadInfo, aLoadFlags, aCacheKey, aUriModified, + aIsEmbeddingBlockedError); + } + channel->SetNotificationCallbacks(aNotificationCallbacks); + return channel.forget(); +} + +/* static */ +already_AddRefed<DocumentChannel> DocumentChannel::CreateForObject( + nsDocShellLoadState* aLoadState, class LoadInfo* aLoadInfo, + nsLoadFlags aLoadFlags, nsIInterfaceRequestor* aNotificationCallbacks) { + return CreateForDocument(aLoadState, aLoadInfo, aLoadFlags, + aNotificationCallbacks, 0, false, false); +} + +NS_IMETHODIMP DocumentChannel::SetCanceledReason(const nsACString& aReason) { + return SetCanceledReasonImpl(aReason); +} + +NS_IMETHODIMP DocumentChannel::GetCanceledReason(nsACString& aReason) { + return GetCanceledReasonImpl(aReason); +} + +NS_IMETHODIMP DocumentChannel::CancelWithReason(nsresult aStatus, + const nsACString& aReason) { + return CancelWithReasonImpl(aStatus, aReason); +} + +NS_IMETHODIMP +DocumentChannel::Cancel(nsresult aStatusCode) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +DocumentChannel::Suspend() { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +DocumentChannel::Resume() { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +//----------------------------------------------------------------------------- +// Remainder of nsIRequest/nsIChannel. +//----------------------------------------------------------------------------- + +NS_IMETHODIMP DocumentChannel::GetNotificationCallbacks( + nsIInterfaceRequestor** aCallbacks) { + nsCOMPtr<nsIInterfaceRequestor> callbacks(mCallbacks); + callbacks.forget(aCallbacks); + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::SetNotificationCallbacks( + nsIInterfaceRequestor* aNotificationCallbacks) { + mCallbacks = aNotificationCallbacks; + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::GetLoadGroup(nsILoadGroup** aLoadGroup) { + nsCOMPtr<nsILoadGroup> loadGroup(mLoadGroup); + loadGroup.forget(aLoadGroup); + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::SetLoadGroup(nsILoadGroup* aLoadGroup) { + mLoadGroup = aLoadGroup; + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::GetStatus(nsresult* aStatus) { + *aStatus = mStatus; + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::GetName(nsACString& aResult) { + if (!mURI) { + aResult.Truncate(); + return NS_OK; + } + nsCString spec; + nsresult rv = mURI->GetSpec(spec); + NS_ENSURE_SUCCESS(rv, rv); + + aResult.AssignLiteral("documentchannel:"); + aResult.Append(spec); + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::IsPending(bool* aResult) { + *aResult = mIsPending; + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::GetLoadFlags(nsLoadFlags* aLoadFlags) { + *aLoadFlags = mLoadFlags; + return NS_OK; +} + +NS_IMETHODIMP +DocumentChannel::GetTRRMode(nsIRequest::TRRMode* aTRRMode) { + return GetTRRModeImpl(aTRRMode); +} + +NS_IMETHODIMP +DocumentChannel::SetTRRMode(nsIRequest::TRRMode aTRRMode) { + return SetTRRModeImpl(aTRRMode); +} + +NS_IMETHODIMP DocumentChannel::SetLoadFlags(nsLoadFlags aLoadFlags) { + // Setting load flags for TYPE_OBJECT is OK, so long as the channel to parent + // isn't opened yet, or we're only setting the `LOAD_DOCUMENT_URI` flag. + auto contentPolicy = mLoadInfo->GetExternalContentPolicyType(); + if (contentPolicy == ExtContentPolicy::TYPE_OBJECT) { + if (mWasOpened) { + MOZ_DIAGNOSTIC_ASSERT( + aLoadFlags == (mLoadFlags | nsIChannel::LOAD_DOCUMENT_URI), + "After the channel has been opened, can only set the " + "`LOAD_DOCUMENT_URI` flag."); + } + mLoadFlags = aLoadFlags; + return NS_OK; + } + + MOZ_CRASH_UNSAFE_PRINTF( + "DocumentChannel::SetLoadFlags: Don't set flags after creation " + "(differing flags %x != %x)", + (mLoadFlags ^ aLoadFlags) & mLoadFlags, + (mLoadFlags ^ aLoadFlags) & aLoadFlags); +} + +NS_IMETHODIMP DocumentChannel::GetOriginalURI(nsIURI** aOriginalURI) { + nsCOMPtr<nsIURI> originalURI = + mLoadState->OriginalURI() ? mLoadState->OriginalURI() : mLoadState->URI(); + originalURI.forget(aOriginalURI); + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::SetOriginalURI(nsIURI* aOriginalURI) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::GetURI(nsIURI** aURI) { + nsCOMPtr<nsIURI> uri(mURI); + uri.forget(aURI); + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::GetOwner(nsISupports** aOwner) { + nsCOMPtr<nsISupports> owner(mOwner); + owner.forget(aOwner); + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::SetOwner(nsISupports* aOwner) { + mOwner = aOwner; + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::GetSecurityInfo( + nsITransportSecurityInfo** aSecurityInfo) { + *aSecurityInfo = nullptr; + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::GetContentType(nsACString& aContentType) { + // We may be trying to load HTML object data, and have determined that we're + // going to be performing a document load. In that case, fake the "text/html" + // content type for nsObjectLoadingContent. + if ((mLoadFlags & nsIRequest::LOAD_HTML_OBJECT_DATA) && + (mLoadFlags & nsIChannel::LOAD_DOCUMENT_URI)) { + aContentType = TEXT_HTML; + return NS_OK; + } + + NS_ERROR("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::SetContentType(const nsACString& aContentType) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::GetContentCharset(nsACString& aContentCharset) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::SetContentCharset( + const nsACString& aContentCharset) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::GetContentLength(int64_t* aContentLength) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::SetContentLength(int64_t aContentLength) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::Open(nsIInputStream** aStream) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::GetContentDisposition( + uint32_t* aContentDisposition) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::SetContentDisposition( + uint32_t aContentDisposition) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::GetContentDispositionFilename( + nsAString& aContentDispositionFilename) { + MOZ_CRASH("If we get here, something will be broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::SetContentDispositionFilename( + const nsAString& aContentDispositionFilename) { + MOZ_CRASH("If we get here, something will be broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::GetContentDispositionHeader( + nsACString& aContentDispositionHeader) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::GetLoadInfo(nsILoadInfo** aLoadInfo) { + nsCOMPtr<nsILoadInfo> loadInfo(mLoadInfo); + loadInfo.forget(aLoadInfo); + return NS_OK; +} + +NS_IMETHODIMP DocumentChannel::SetLoadInfo(nsILoadInfo* aLoadInfo) { + MOZ_CRASH("If we get here, something is broken"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP DocumentChannel::GetIsDocument(bool* aIsDocument) { + return NS_GetIsDocumentChannel(this, aIsDocument); +} + +NS_IMETHODIMP DocumentChannel::GetCanceled(bool* aCanceled) { + *aCanceled = mCanceled; + return NS_OK; +} + +//----------------------------------------------------------------------------- +// nsIIdentChannel +//----------------------------------------------------------------------------- + +NS_IMETHODIMP +DocumentChannel::GetChannelId(uint64_t* aChannelId) { + *aChannelId = mChannelId; + return NS_OK; +} + +NS_IMETHODIMP +DocumentChannel::SetChannelId(uint64_t aChannelId) { + mChannelId = aChannelId; + return NS_OK; +} + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +uint64_t InnerWindowIDForExtantDoc(nsDocShell* docShell) { + if (!docShell) { + return 0; + } + + Document* doc = docShell->GetExtantDocument(); + if (!doc) { + return 0; + } + + return doc->InnerWindowID(); +} + +} // namespace net +} // namespace mozilla + +#undef LOG |