public HttpResponseMessage GetConversationFile(string version, string basedFileName)
{
String fileName = HashUtils.Base64Decode(basedFileName);
if (!File.Exists(Path.Combine(String.Format(ResourcePath, version), fileName)))
{
throw new FileNotFoundException();
}
String filePath = Path.Combine(String.Format(ResourcePath, version), fileName);
FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
new CustomContentTypeProvider().TryGetContentType(fileName, out var contentType);
if (contentType == null || contentType.Length < 1)
{
contentType = "application/octet-stream";
}
if (Request.Headers.Range != null)
{
HttpResponseMessage partialResponse = Request.CreateResponse(HttpStatusCode.PartialContent);
partialResponse.Content = new ByteRangeStreamContent(stream, Request.Headers.Range, contentType, ServerSettings.BUFFER_SIZE);
partialResponse.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
{
FileName = Path.GetFileName(fileName)
};
return(partialResponse);
}
else
{
HttpResponseMessage fullResponse = Request.CreateResponse(HttpStatusCode.OK);
fullResponse.Content = new StreamContent(stream, ServerSettings.BUFFER_SIZE);
fullResponse.Content.Headers.ContentType = new MediaTypeHeaderValue(contentType);
fullResponse.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
{
FileName = Path.GetFileName(fileName)
};
return(fullResponse);
}
}
