C++ (Cpp) BasicFetchの例

コード例 #1

ファイル: FetchDriver.cpp プロジェクト: fatman2021/gecko-dev

nsresult
FetchDriver::ContinueFetch(bool aCORSFlag)
{
  workers::AssertIsOnMainThread();

  nsAutoCString url;
  mRequest->GetURL(url);
  nsCOMPtr<nsIURI> requestURI;
  nsresult rv = NS_NewURI(getter_AddRefs(requestURI), url,
                          nullptr, nullptr);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return FailWithNetworkError();
  }

  // Begin Step 4 of the Fetch algorithm
  // https://fetch.spec.whatwg.org/#fetching

  // FIXME(nsm): Bug 1039846: Add CSP checks

  nsAutoCString scheme;
  rv = requestURI->GetScheme(scheme);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return FailWithNetworkError();
  }

  rv = mPrincipal->CheckMayLoad(requestURI, false /* report */, false /* allowIfInheritsPrincipal */);
  if ((!aCORSFlag && NS_SUCCEEDED(rv)) ||
      (scheme.EqualsLiteral("data") && mRequest->SameOriginDataURL()) ||
      scheme.EqualsLiteral("about")) {
    return BasicFetch();
  }

  if (mRequest->Mode() == RequestMode::Same_origin) {
    return FailWithNetworkError();
  }

  if (mRequest->Mode() == RequestMode::No_cors) {
    mRequest->SetResponseTainting(InternalRequest::RESPONSETAINT_OPAQUE);
    return BasicFetch();
  }

  if (!scheme.EqualsLiteral("http") && !scheme.EqualsLiteral("https")) {
    return FailWithNetworkError();
  }

  bool corsPreflight = false;
  if (mRequest->Mode() == RequestMode::Cors_with_forced_preflight ||
      (mRequest->UnsafeRequest() && (!mRequest->HasSimpleMethod() || !mRequest->Headers()->HasOnlySimpleHeaders()))) {
    corsPreflight = true;
  }

  mRequest->SetResponseTainting(InternalRequest::RESPONSETAINT_CORS);
  return HttpFetch(true /* aCORSFlag */, corsPreflight);
}

コード例 #2

ファイル: FetchDriver.cpp プロジェクト: JasonJinCn/gecko-dev

nsresult
FetchDriver::ContinueFetch(bool aCORSFlag)
{
  workers::AssertIsOnMainThread();

  MainFetchOp nextOp = SetTaintingAndGetNextOp(aCORSFlag);

  if (nextOp.mType == NETWORK_ERROR) {
    return FailWithNetworkError();
  }

  if (nextOp.mType == BASIC_FETCH) {
    return BasicFetch();
  }

  if (nextOp.mType == HTTP_FETCH) {
    return HttpFetch(nextOp.mCORSFlag, nextOp.mCORSPreflightFlag);
  }

  MOZ_ASSERT_UNREACHABLE("Unexpected main fetch operation!");
  return FailWithNetworkError();
 }

コード例 #3

ファイル: FetchDriver.cpp プロジェクト: ShakoHo/gecko-dev

nsresult
FetchDriver::ContinueFetch(bool aCORSFlag)
{
  workers::AssertIsOnMainThread();

  nsAutoCString url;
  mRequest->GetURL(url);
  nsCOMPtr<nsIURI> requestURI;
  nsresult rv = NS_NewURI(getter_AddRefs(requestURI), url,
                          nullptr, nullptr);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return FailWithNetworkError();
  }

  // CSP/mixed content checks.
  int16_t shouldLoad;
  rv = NS_CheckContentLoadPolicy(mRequest->ContentPolicyType(),
                                 requestURI,
                                 mPrincipal,
                                 mDocument,
                                 // FIXME(nsm): Should MIME be extracted from
                                 // Content-Type header?
                                 EmptyCString(), /* mime guess */
                                 nullptr, /* extra */
                                 &shouldLoad,
                                 nsContentUtils::GetContentPolicy(),
                                 nsContentUtils::GetSecurityManager());
  if (NS_WARN_IF(NS_FAILED(rv) || NS_CP_REJECTED(shouldLoad))) {
    // Disallowed by content policy.
    return FailWithNetworkError();
  }

  // Begin Step 4 of the Fetch algorithm
  // https://fetch.spec.whatwg.org/#fetching

  nsAutoCString scheme;
  rv = requestURI->GetScheme(scheme);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return FailWithNetworkError();
  }

  rv = mPrincipal->CheckMayLoad(requestURI, false /* report */, false /* allowIfInheritsPrincipal */);
  if ((!aCORSFlag && NS_SUCCEEDED(rv)) ||
      (scheme.EqualsLiteral("data") && mRequest->SameOriginDataURL()) ||
      scheme.EqualsLiteral("about")) {
    return BasicFetch();
  }

  if (mRequest->Mode() == RequestMode::Same_origin) {
    return FailWithNetworkError();
  }

  if (mRequest->Mode() == RequestMode::No_cors) {
    mRequest->SetResponseTainting(InternalRequest::RESPONSETAINT_OPAQUE);
    return BasicFetch();
  }

  if (!scheme.EqualsLiteral("http") && !scheme.EqualsLiteral("https")) {
    return FailWithNetworkError();
  }

  bool corsPreflight = false;
  if (mRequest->Mode() == RequestMode::Cors_with_forced_preflight ||
      (mRequest->UnsafeRequest() && (!mRequest->HasSimpleMethod() || !mRequest->Headers()->HasOnlySimpleHeaders()))) {
    corsPreflight = true;
  }

  mRequest->SetResponseTainting(InternalRequest::RESPONSETAINT_CORS);
  return HttpFetch(true /* aCORSFlag */, corsPreflight);
}