private static void EnsureFileHeaderIsValid(
int templateCode,
string fileName,
ElementDescriptorType elementDescriptorType,
Stream inputStream)
{
var fileFormat = DetectFileFormat(fileName);
switch (elementDescriptorType)
{
case ElementDescriptorType.BitmapImage:
BitmapImageValidator.ValidateBitmapImageHeader(templateCode, fileFormat, inputStream);
break;
case ElementDescriptorType.VectorImage:
VectorImageValidator.ValidateVectorImageHeader(templateCode, fileFormat, inputStream);
break;
case ElementDescriptorType.Article:
break;
case ElementDescriptorType.PlainText:
case ElementDescriptorType.FormattedText:
case ElementDescriptorType.FasComment:
case ElementDescriptorType.Link:
case ElementDescriptorType.Phone:
case ElementDescriptorType.VideoLink:
case ElementDescriptorType.Color:
throw new NotSupportedException($"Not binary element descriptor type {elementDescriptorType}");
default:
throw new ArgumentOutOfRangeException(nameof(elementDescriptorType), elementDescriptorType, "Unsupported element descriptor type");
}
}
private static void EnsureFileHeaderIsValid(
int templateCode,
ElementDescriptorType elementDescriptorType,
IElementConstraints elementConstraints,
Stream inputStream,
IUploadedFileMetadata uploadedFileMetadata)
{
var fileFormat = DetectFileFormat(uploadedFileMetadata.FileName);
switch (elementDescriptorType)
{
case ElementDescriptorType.BitmapImage:
BitmapImageValidator.ValidateBitmapImageHeader(templateCode, (BitmapImageElementConstraints)elementConstraints, fileFormat, inputStream);
break;
case ElementDescriptorType.CompositeBitmapImage:
if (uploadedFileMetadata.FileType == FileType.SizeSpecificBitmapImage)
{
var imageMetadata = (UploadedImageMetadata)uploadedFileMetadata;
BitmapImageValidator.ValidateSizeSpecificBitmapImageHeader(
templateCode,
(CompositeBitmapImageElementConstraints)elementConstraints,
fileFormat,
inputStream,
imageMetadata.Size);
}
else
{
BitmapImageValidator.ValidateCompositeBitmapImageOriginalHeader(
templateCode,
(CompositeBitmapImageElementConstraints)elementConstraints,
fileFormat,
inputStream);
}
break;
case ElementDescriptorType.VectorImage:
VectorImageValidator.ValidateVectorImageHeader(templateCode, fileFormat, inputStream);
break;
case ElementDescriptorType.Article:
break;
case ElementDescriptorType.PlainText:
case ElementDescriptorType.FormattedText:
case ElementDescriptorType.FasComment:
case ElementDescriptorType.Link:
case ElementDescriptorType.Phone:
case ElementDescriptorType.VideoLink:
case ElementDescriptorType.Color:
throw new NotSupportedException($"Not binary element descriptor type {elementDescriptorType}");
default:
throw new ArgumentOutOfRangeException(nameof(elementDescriptorType), elementDescriptorType, "Unsupported element descriptor type");
}
}
public void TestPdfValidationCheck()
{
void TestAction(int templateCode, Stream stream) =>
VectorImageValidator.ValidateVectorImageHeader(templateCode, FileFormat.Pdf, stream);
TestHelpers.MakeBinaryValidationCheck("%PDF-12356", TestAction);
TestHelpers.MakeBinaryValidationCheck <InvalidImageError>(
"1%PDF-",
TestAction,
nameof(IImageElementConstraints.ValidImage));
TestHelpers.MakeBinaryValidationCheck <InvalidImageError>(
string.Empty,
TestAction,
nameof(IImageElementConstraints.ValidImage));
}