SSL ExternalHelperAppParent.cpp Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 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/DebugOnly.h"

#include "ExternalHelperAppParent.h"
#include "nsExternalHelperAppService.h"
#include "nsIContent.h"
#include "nsCExternalHandlerService.h"
#include "nsIExternalHelperAppService.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/BrowserParent.h"
#include "nsStringStream.h"
#include "mozilla/ipc/URIUtils.h"
#include "nsNetUtil.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/CanonicalBrowsingContext.h"
#include "mozilla/dom/WindowGlobalParent.h"
#include "nsQueryObject.h"

#include "mozilla/Unused.h"

using namespace mozilla::ipc;

namespace mozilla {
namespace dom {

NS_IMPL_ISUPPORTS_INHERITED(ExternalHelperAppParent, nsHashPropertyBag,
                            nsIRequest, nsIChannel, nsIMultiPartChannel,
                            nsIPrivateBrowsingChannel, nsIResumableChannel,
                            nsIStreamListener, nsIExternalHelperAppParent)

ExternalHelperAppParent::ExternalHelperAppParent(
    nsIURI* uri, const int64_t& aContentLength, const bool& aWasFileChannel,
    const nsACString& aContentDispositionHeader,
    const uint32_t& aContentDispositionHint,
    const nsAString& aContentDispositionFilename)
    : mURI(uri),
      mPending(false),
      mIPCClosed(false),
      mLoadFlags(0),
      mStatus(NS_OK),
      mCanceled(false),
      mContentLength(aContentLength),
      mWasFileChannel(aWasFileChannel) {
  mContentDispositionHeader = aContentDispositionHeader;
  if (!mContentDispositionHeader.IsEmpty()) {
    NS_GetFilenameFromDisposition(mContentDispositionFilename,
                                  mContentDispositionHeader);
    mContentDisposition =
        NS_GetContentDispositionFromHeader(mContentDispositionHeader, this);
  } else {
    mContentDisposition = aContentDispositionHint;
    mContentDispositionFilename = aContentDispositionFilename;
  }
}

bool ExternalHelperAppParent::Init(
    const mozilla::net::LoadInfoArgs& aLoadInfoArgs,
    const nsACString& aMimeContentType, const bool& aForceSave,
    nsIURI* aReferrer, BrowsingContext* aContext) {
  nsresult rv = mozilla::ipc::LoadInfoArgsToLoadInfo(
      aLoadInfoArgs, ContentParent::Cast(Manager())->GetRemoteType(),
      getter_AddRefs(mLoadInfo));
  if (NS_FAILED(rv)) {
    return false;
  }

  nsCOMPtr<nsIExternalHelperAppService> helperAppService =
      do_GetService(NS_EXTERNALHELPERAPPSERVICE_CONTRACTID);
  NS_ASSERTION(helperAppService, "No Helper App Service!");

  if (aReferrer) {
    SetPropertyAsInterface(u"docshell.internalReferrer"_ns, aReferrer);
  }

  if (aContext) {
    WindowGlobalParent* parent =
        aContext->Canonical()->GetCurrentWindowGlobal();
    if (parent) {
      RefPtr<BrowserParent> browser = parent->GetBrowserParent();
      if (browser) {
        bool isPrivate = false;
        nsCOMPtr<nsILoadContext> loadContext = browser->GetLoadContext();
        loadContext->GetUsePrivateBrowsing(&isPrivate);
        SetPrivate(isPrivate);
      }
    }
  }

  helperAppService->CreateListener(aMimeContentType, this, aContext, aForceSave,
                                   nullptr, getter_AddRefs(mListener));
  return mListener != nullptr;
}

void ExternalHelperAppParent::ActorDestroy(ActorDestroyReason why) {
  mIPCClosed = true;
}

void ExternalHelperAppParent::Delete() {
  if (!mIPCClosed) {
    Unused << Send__delete__(this);
  }
}

mozilla::ipc::IPCResult ExternalHelperAppParent::RecvOnStartRequest(
    const nsACString& entityID) {
  mEntityID = entityID;
  mPending = true;
  mStatus = mListener->OnStartRequest(this);
  return IPC_OK();
}

mozilla::ipc::IPCResult ExternalHelperAppParent::RecvOnDataAvailable(
    const nsACString& data, const uint64_t& offset, const uint32_t& count) {
  if (NS_FAILED(mStatus)) {
    return IPC_OK();
  }

  MOZ_ASSERT(mPending, "must be pending!");

  nsCOMPtr<nsIInputStream> stringStream;
  DebugOnly<nsresult> rv = NS_NewByteInputStream(
      getter_AddRefs(stringStream), Span(data).To(count), NS_ASSIGNMENT_DEPEND);
  NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create dependent string!");
  mStatus = mListener->OnDataAvailable(this, stringStream, offset, count);

  return IPC_OK();
}

mozilla::ipc::IPCResult ExternalHelperAppParent::RecvOnStopRequest(
    const nsresult& code) {
  mPending = false;
  mListener->OnStopRequest(
      this, (NS_SUCCEEDED(code) && NS_FAILED(mStatus)) ? mStatus : code);
  Delete();
  return IPC_OK();
}

//
// nsIStreamListener
//

NS_IMETHODIMP
ExternalHelperAppParent::OnDataAvailable(nsIRequest* request,
                                         nsIInputStream* input, uint64_t offset,
                                         uint32_t count) {
  return mListener->OnDataAvailable(request, input, offset, count);
}

NS_IMETHODIMP
ExternalHelperAppParent::OnStartRequest(nsIRequest* request) {
  return mListener->OnStartRequest(request);
}

NS_IMETHODIMP
ExternalHelperAppParent::OnStopRequest(nsIRequest* request, nsresult status) {
  nsresult rv = mListener->OnStopRequest(request, status);
  Delete();
  return rv;
}

ExternalHelperAppParent::~ExternalHelperAppParent() {}

//
// nsIRequest implementation...
//

NS_IMETHODIMP
ExternalHelperAppParent::GetName(nsACString& aResult) {
  if (!mURI) {
    aResult.Truncate();
    return NS_ERROR_NOT_AVAILABLE;
  }
  mURI->GetAsciiSpec(aResult);
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::IsPending(bool* aResult) {
  *aResult = mPending;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetStatus(nsresult* aResult) {
  *aResult = mStatus;
  return NS_OK;
}

NS_IMETHODIMP ExternalHelperAppParent::SetCanceledReason(
    const nsACString& aReason) {
  return SetCanceledReasonImpl(aReason);
}

NS_IMETHODIMP ExternalHelperAppParent::GetCanceledReason(nsACString& aReason) {
  return GetCanceledReasonImpl(aReason);
}

NS_IMETHODIMP ExternalHelperAppParent::CancelWithReason(
    nsresult aStatus, const nsACString& aReason) {
  return CancelWithReasonImpl(aStatus, aReason);
}

NS_IMETHODIMP
ExternalHelperAppParent::Cancel(nsresult aStatus) {
  mCanceled = true;
  mStatus = aStatus;
  Unused << SendCancel(aStatus);
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetCanceled(bool* aCanceled) {
  *aCanceled = mCanceled;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::Suspend() { return NS_ERROR_NOT_IMPLEMENTED; }

NS_IMETHODIMP
ExternalHelperAppParent::Resume() { return NS_ERROR_NOT_IMPLEMENTED; }

//
// nsIChannel implementation
//

NS_IMETHODIMP
ExternalHelperAppParent::GetOriginalURI(nsIURI** aURI) {
  NS_IF_ADDREF(*aURI = mURI);
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetOriginalURI(nsIURI* aURI) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetURI(nsIURI** aURI) {
  NS_IF_ADDREF(*aURI = mURI);
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::Open(nsIInputStream** aResult) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::AsyncOpen(nsIStreamListener* aListener) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetLoadFlags(nsLoadFlags* aLoadFlags) {
  *aLoadFlags = mLoadFlags;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetLoadFlags(nsLoadFlags aLoadFlags) {
  mLoadFlags = aLoadFlags;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetTRRMode(nsIRequest::TRRMode* aTRRMode) {
  return GetTRRModeImpl(aTRRMode);
}

NS_IMETHODIMP
ExternalHelperAppParent::SetTRRMode(nsIRequest::TRRMode aTRRMode) {
  return SetTRRModeImpl(aTRRMode);
}

NS_IMETHODIMP
ExternalHelperAppParent::GetIsDocument(bool* aIsDocument) {
  return NS_GetIsDocumentChannel(this, aIsDocument);
}

NS_IMETHODIMP
ExternalHelperAppParent::GetLoadGroup(nsILoadGroup** aLoadGroup) {
  *aLoadGroup = nullptr;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetLoadGroup(nsILoadGroup* aLoadGroup) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetOwner(nsISupports** aOwner) {
  *aOwner = nullptr;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetOwner(nsISupports* aOwner) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetLoadInfo(nsILoadInfo** aLoadInfo) {
  NS_IF_ADDREF(*aLoadInfo = mLoadInfo);
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetLoadInfo(nsILoadInfo* aLoadInfo) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetNotificationCallbacks(
    nsIInterfaceRequestor** aCallbacks) {
  *aCallbacks = nullptr;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetNotificationCallbacks(
    nsIInterfaceRequestor* aCallbacks) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetSecurityInfo(
    nsITransportSecurityInfo** aSecurityInfo) {
  *aSecurityInfo = nullptr;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetContentType(nsACString& aContentType) {
  aContentType.Truncate();
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetContentType(const nsACString& aContentType) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetContentCharset(nsACString& aContentCharset) {
  aContentCharset.Truncate();
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetContentCharset(const nsACString& aContentCharset) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetContentDisposition(uint32_t* aContentDisposition) {
  // NB: mContentDisposition may or may not be set to a non UINT32_MAX value in
  // nsExternalHelperAppService::DoContentContentProcessHelper
  if (mContentDispositionHeader.IsEmpty() && mContentDisposition == UINT32_MAX)
    return NS_ERROR_NOT_AVAILABLE;

  *aContentDisposition = mContentDisposition;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetContentDisposition(uint32_t aContentDisposition) {
  mContentDisposition = aContentDisposition;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetContentDispositionFilename(
    nsAString& aContentDispositionFilename) {
  if (mContentDispositionFilename.IsEmpty()) {
    return NS_ERROR_NOT_AVAILABLE;
  }

  aContentDispositionFilename = mContentDispositionFilename;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetContentDispositionFilename(
    const nsAString& aContentDispositionFilename) {
  mContentDispositionFilename = aContentDispositionFilename;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetContentDispositionHeader(
    nsACString& aContentDispositionHeader) {
  if (mContentDispositionHeader.IsEmpty()) {
    return NS_ERROR_NOT_AVAILABLE;
  }

  aContentDispositionHeader = mContentDispositionHeader;
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetContentLength(int64_t* aContentLength) {
  if (mContentLength < 0) {
    *aContentLength = -1;
  } else {
    *aContentLength = mContentLength;
  }
  return NS_OK;
}

NS_IMETHODIMP
ExternalHelperAppParent::SetContentLength(int64_t aContentLength) {
  mContentLength = aContentLength;
  return NS_OK;
}

//
// nsIResumableChannel implementation
//

NS_IMETHODIMP
ExternalHelperAppParent::ResumeAt(uint64_t startPos,
                                  const nsACString& entityID) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetEntityID(nsACString& aEntityID) {
  aEntityID = mEntityID;
  return NS_OK;
}

//
// nsIMultiPartChannel implementation
//

NS_IMETHODIMP
ExternalHelperAppParent::GetBaseChannel(nsIChannel** aChannel) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetPartID(uint32_t* aPartID) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetIsFirstPart(bool* aIsLastPart) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP
ExternalHelperAppParent::GetIsLastPart(bool* aIsLastPart) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

}  // namespace dom
}  // namespace mozilla

quality88%

¤ Dauer der Verarbeitung: 0.16 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.