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-rw-r--r--netwerk/ipc/DocumentChannel.cpp484
1 files changed, 484 insertions, 0 deletions
diff --git a/netwerk/ipc/DocumentChannel.cpp b/netwerk/ipc/DocumentChannel.cpp
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index 0000000000..a0d6a0c1f9
--- /dev/null
+++ b/netwerk/ipc/DocumentChannel.cpp
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+/* -*- 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