private async Task <bool> IsZipFile(IFormFile file)
{
if (!file.FileName.ToLower().EndsWith(".zip"))
{
return(false);
}
return(await _fileTypeService.HasMatchingMimeType(
file,
AllowedMimeTypesByFileType[DataZip]
) &&
_fileTypeService.HasMatchingEncodingType(file, ZipEncodingTypes));
}
private async Task <bool> IsCsvFile(BlobInfo blob)
{
await using var mimeTypeStream = await _fileStorageService.StreamBlob(blob);
var hasMatchingMimeType = await _fileTypeService.HasMatchingMimeType(
mimeTypeStream,
AllowedMimeTypesByFileType[FileType.Data]
);
if (!hasMatchingMimeType)
{
return(false);
}
await using var encodingStream = await _fileStorageService.StreamBlob(blob);
return(_fileTypeService.HasMatchingEncodingType(encodingStream, CsvEncodingTypes));
}
private async Task <bool> IsCsvFile(IFormFile file)
{
return(await _fileTypeService.HasMatchingMimeType(file, AllowedMimeTypesByFileType[FileType.Data]) &&
_fileTypeService.HasMatchingEncodingType(file, CsvEncodingTypes));
}