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