public async Task ShowImpl(String Base, String id, HttpResponseBase Response, Action <ExpandoObject> setParams, String suffix, String token)
{
try
{
var url = $"/_attachment{Base}/{id}";
var ai = await _baseController.DownloadAttachment(url, setParams, suffix);
if (ai == null)
{
throw new RequestModelException($"Attachment not found. (Id:{id})");
}
if (!_baseController.IsTokenValid(Response, ai.Token, token))
{
return;
}
Response.ContentType = ai.Mime;
Response.BinaryWrite(ai.Stream);
}
catch (Exception ex)
{
_baseController.WriteHtmlException(ex, Response.Output);
}
}
async Task DoFile(String url)
{
switch (Request.HttpMethod.ToUpperInvariant())
{
case "POST":
if (IsNotAjax())
{
return;
}
Response.ContentType = "application/json";
try
{
var files = Request.Files;
await _baseController.SaveFiles(url, files, SetQueryStringAndSqlQueryParams, Response.Output);
}
catch (Exception ex)
{
WriteExceptionStatus(ex);
}
break;
case "GET":
try
{
var token = Request.QueryString["token"];
if (token == null)
{
throw new InvalidOperationException("There is no access token for image");
}
var ai = await _baseController.LoadFileGet(url, SetQueryStringAndSqlQueryParams);
if (ai == null)
{
throw new InvalidOperationException($"Not found. Url='{url}'");
}
if (!_baseController.IsTokenValid(Response, ai.Token, token))
{
return;
}
Response.ContentType = ai.Mime;
if (Request.QueryString["export"] != null)
{
var cdh = new ContentDispositionHeaderValue("attachment")
{
FileNameStar = _baseController.Localize(ai.Name)
};
Response.Headers.Add("Content-Disposition", cdh.ToString());
}
else
{
CacheImage(ai);
}
if (ai.Stream != null)
{
Response.BinaryWrite(ai.Stream);
}
}
catch (Exception ex)
{
var accept = Request.Headers["Accept"];
if (accept != null && accept.Trim().StartsWith("image", StringComparison.OrdinalIgnoreCase))
{
WriteImageException(ex);
}
else
{
WriteExceptionStatus(ex);
}
}
break;
}
}