mirror of
https://github.com/mozilla/gecko-dev.git
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522 lines
12 KiB
C++
522 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/DebugOnly.h"
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#include "ExternalHelperAppParent.h"
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#include "nsIContent.h"
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#include "nsCExternalHandlerService.h"
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#include "nsIExternalHelperAppService.h"
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#include "mozilla/dom/ContentParent.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/TabParent.h"
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#include "nsIBrowserDOMWindow.h"
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#include "nsStringStream.h"
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#include "mozilla/ipc/URIUtils.h"
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#include "nsNetUtil.h"
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#include "nsIDocument.h"
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#include "mozilla/net/ChannelDiverterParent.h"
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#include "mozilla/unused.h"
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using namespace mozilla::ipc;
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namespace mozilla {
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namespace dom {
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NS_IMPL_ISUPPORTS_INHERITED(ExternalHelperAppParent,
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nsHashPropertyBag,
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nsIRequest,
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nsIChannel,
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nsIMultiPartChannel,
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nsIPrivateBrowsingChannel,
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nsIResumableChannel,
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nsIStreamListener)
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ExternalHelperAppParent::ExternalHelperAppParent(
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const OptionalURIParams& uri,
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const int64_t& aContentLength)
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: mURI(DeserializeURI(uri))
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, mPending(false)
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#ifdef DEBUG
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, mDiverted(false)
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#endif
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, mIPCClosed(false)
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, mLoadFlags(0)
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, mStatus(NS_OK)
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, mContentLength(aContentLength)
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{
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}
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void
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ExternalHelperAppParent::Init(ContentParent *parent,
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const nsCString& aMimeContentType,
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const nsCString& aContentDispositionHeader,
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const uint32_t& aContentDispositionHint,
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const nsString& aContentDispositionFilename,
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const bool& aForceSave,
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const OptionalURIParams& aReferrer,
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PBrowserParent* aBrowser)
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{
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nsCOMPtr<nsIExternalHelperAppService> helperAppService =
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do_GetService(NS_EXTERNALHELPERAPPSERVICE_CONTRACTID);
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NS_ASSERTION(helperAppService, "No Helper App Service!");
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nsCOMPtr<nsIURI> referrer = DeserializeURI(aReferrer);
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if (referrer)
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SetPropertyAsInterface(NS_LITERAL_STRING("docshell.internalReferrer"), referrer);
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mContentDispositionHeader = aContentDispositionHeader;
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if (!mContentDispositionHeader.IsEmpty()) {
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NS_GetFilenameFromDisposition(mContentDispositionFilename,
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mContentDispositionHeader,
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mURI);
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mContentDisposition =
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NS_GetContentDispositionFromHeader(mContentDispositionHeader, this);
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}
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else {
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mContentDisposition = aContentDispositionHint;
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mContentDispositionFilename = aContentDispositionFilename;
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}
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nsCOMPtr<nsIInterfaceRequestor> window;
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if (aBrowser) {
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TabParent* tabParent = TabParent::GetFrom(aBrowser);
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if (tabParent->GetOwnerElement())
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window = do_QueryInterface(tabParent->GetOwnerElement()->OwnerDoc()->GetWindow());
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bool isPrivate = false;
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nsCOMPtr<nsILoadContext> loadContext = tabParent->GetLoadContext();
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loadContext->GetUsePrivateBrowsing(&isPrivate);
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SetPrivate(isPrivate);
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}
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helperAppService->DoContent(aMimeContentType, this, window,
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aForceSave, nullptr,
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getter_AddRefs(mListener));
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}
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void
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ExternalHelperAppParent::ActorDestroy(ActorDestroyReason why)
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{
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mIPCClosed = true;
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}
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void
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ExternalHelperAppParent::Delete()
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{
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if (!mIPCClosed) {
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Unused << Send__delete__(this);
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}
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}
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bool
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ExternalHelperAppParent::RecvOnStartRequest(const nsCString& entityID)
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{
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MOZ_ASSERT(!mDiverted, "child forwarding callbacks after request was diverted");
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mEntityID = entityID;
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mPending = true;
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mStatus = mListener->OnStartRequest(this, nullptr);
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return true;
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}
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bool
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ExternalHelperAppParent::RecvOnDataAvailable(const nsCString& data,
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const uint64_t& offset,
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const uint32_t& count)
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{
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if (NS_FAILED(mStatus))
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return true;
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MOZ_ASSERT(!mDiverted, "child forwarding callbacks after request was diverted");
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MOZ_ASSERT(mPending, "must be pending!");
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nsCOMPtr<nsIInputStream> stringStream;
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DebugOnly<nsresult> rv = NS_NewByteInputStream(getter_AddRefs(stringStream), data.get(), count, NS_ASSIGNMENT_DEPEND);
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NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create dependent string!");
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mStatus = mListener->OnDataAvailable(this, nullptr, stringStream, offset, count);
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return true;
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}
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bool
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ExternalHelperAppParent::RecvOnStopRequest(const nsresult& code)
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{
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MOZ_ASSERT(!mDiverted, "child forwarding callbacks after request was diverted");
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mPending = false;
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mListener->OnStopRequest(this, nullptr,
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(NS_SUCCEEDED(code) && NS_FAILED(mStatus)) ? mStatus : code);
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Delete();
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return true;
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}
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bool
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ExternalHelperAppParent::RecvDivertToParentUsing(PChannelDiverterParent* diverter)
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{
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MOZ_ASSERT(diverter);
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auto p = static_cast<mozilla::net::ChannelDiverterParent*>(diverter);
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p->DivertTo(this);
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#ifdef DEBUG
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mDiverted = true;
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#endif
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Unused << p->Send__delete__(p);
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return true;
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}
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//
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// nsIStreamListener
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//
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NS_IMETHODIMP
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ExternalHelperAppParent::OnDataAvailable(nsIRequest *request,
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nsISupports *ctx,
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nsIInputStream *input,
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uint64_t offset,
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uint32_t count)
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{
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MOZ_ASSERT(mDiverted);
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return mListener->OnDataAvailable(request, ctx, input, offset, count);
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::OnStartRequest(nsIRequest *request, nsISupports *ctx)
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{
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MOZ_ASSERT(mDiverted);
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return mListener->OnStartRequest(request, ctx);
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::OnStopRequest(nsIRequest *request,
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nsISupports *ctx,
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nsresult status)
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{
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MOZ_ASSERT(mDiverted);
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nsresult rv = mListener->OnStopRequest(request, ctx, status);
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Delete();
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return rv;
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}
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ExternalHelperAppParent::~ExternalHelperAppParent()
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{
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}
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//
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// nsIRequest implementation...
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//
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NS_IMETHODIMP
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ExternalHelperAppParent::GetName(nsACString& aResult)
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{
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if (!mURI) {
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aResult.Truncate();
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return NS_ERROR_NOT_AVAILABLE;
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}
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mURI->GetAsciiSpec(aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::IsPending(bool *aResult)
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{
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*aResult = mPending;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetStatus(nsresult *aResult)
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{
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*aResult = mStatus;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::Cancel(nsresult aStatus)
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{
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mStatus = aStatus;
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Unused << SendCancel(aStatus);
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::Suspend()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::Resume()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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//
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// nsIChannel implementation
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//
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NS_IMETHODIMP
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ExternalHelperAppParent::GetOriginalURI(nsIURI * *aURI)
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{
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NS_IF_ADDREF(*aURI = mURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetOriginalURI(nsIURI *aURI)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetURI(nsIURI **aURI)
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{
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NS_IF_ADDREF(*aURI = mURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::Open(nsIInputStream **aResult)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::Open2(nsIInputStream** aStream)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::AsyncOpen(nsIStreamListener *aListener,
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nsISupports *aContext)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::AsyncOpen2(nsIStreamListener *aListener)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetLoadFlags(nsLoadFlags *aLoadFlags)
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{
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*aLoadFlags = mLoadFlags;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetLoadFlags(nsLoadFlags aLoadFlags)
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{
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mLoadFlags = aLoadFlags;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetLoadGroup(nsILoadGroup* *aLoadGroup)
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{
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*aLoadGroup = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetLoadGroup(nsILoadGroup* aLoadGroup)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetOwner(nsISupports* *aOwner)
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{
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*aOwner = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetOwner(nsISupports* aOwner)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetLoadInfo(nsILoadInfo* *aLoadInfo)
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{
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*aLoadInfo = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetLoadInfo(nsILoadInfo* aLoadInfo)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetNotificationCallbacks(nsIInterfaceRequestor* *aCallbacks)
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{
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*aCallbacks = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetNotificationCallbacks(nsIInterfaceRequestor* aCallbacks)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetSecurityInfo(nsISupports * *aSecurityInfo)
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{
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*aSecurityInfo = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentType(nsACString& aContentType)
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{
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aContentType.Truncate();
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetContentType(const nsACString& aContentType)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentCharset(nsACString& aContentCharset)
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{
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aContentCharset.Truncate();
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetContentCharset(const nsACString& aContentCharset)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentDisposition(uint32_t *aContentDisposition)
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{
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// NB: mContentDisposition may or may not be set to a non UINT32_MAX value in
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// nsExternalHelperAppService::DoContentContentProcessHelper
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if (mContentDispositionHeader.IsEmpty() && mContentDisposition == UINT32_MAX)
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return NS_ERROR_NOT_AVAILABLE;
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*aContentDisposition = mContentDisposition;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetContentDisposition(uint32_t aContentDisposition)
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{
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mContentDisposition = aContentDisposition;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentDispositionFilename(nsAString& aContentDispositionFilename)
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{
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if (mContentDispositionFilename.IsEmpty())
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return NS_ERROR_NOT_AVAILABLE;
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aContentDispositionFilename = mContentDispositionFilename;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetContentDispositionFilename(const nsAString& aContentDispositionFilename)
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{
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mContentDispositionFilename = aContentDispositionFilename;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentDispositionHeader(nsACString& aContentDispositionHeader)
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{
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if (mContentDispositionHeader.IsEmpty())
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return NS_ERROR_NOT_AVAILABLE;
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aContentDispositionHeader = mContentDispositionHeader;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetContentLength(int64_t *aContentLength)
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{
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if (mContentLength < 0)
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*aContentLength = -1;
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else
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*aContentLength = mContentLength;
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return NS_OK;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::SetContentLength(int64_t aContentLength)
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{
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mContentLength = aContentLength;
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return NS_OK;
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}
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//
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// nsIResumableChannel implementation
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//
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NS_IMETHODIMP
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ExternalHelperAppParent::ResumeAt(uint64_t startPos, const nsACString& entityID)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetEntityID(nsACString& aEntityID)
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{
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aEntityID = mEntityID;
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return NS_OK;
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}
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//
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// nsIMultiPartChannel implementation
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//
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NS_IMETHODIMP
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ExternalHelperAppParent::GetBaseChannel(nsIChannel* *aChannel)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetPartID(uint32_t* aPartID)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetIsLastPart(bool* aIsLastPart)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetPreamble(nsACString & aPreamble)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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ExternalHelperAppParent::GetOriginalResponseHeader(nsACString & aOriginalResponseHeader)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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} // namespace dom
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} // namespace mozilla
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