// [RequestKeyValidationActionFilter]
public ActionResult Grab(GrabRequest request)
{
if (request != null && !string.IsNullOrWhiteSpace(request.Url) && !string.IsNullOrWhiteSpace(request.RequestKey))
{
var webRequest = WebRequest.Create(request.Url);
Response.Clear();
Response.ClearContent();
Response.ClearHeaders();
var response = (HttpWebResponse)webRequest.GetResponse();
{
//HttpClient client = new HttpClient();
//var response = await client.GetAsync(request.Url);
var statusCode = ((HttpWebResponse)response).StatusCode;
if (statusCode == HttpStatusCode.OK)
{
return HandleSuccessResponse(request, response);
}
else
{
return HandleFailureResponse(request, response);
}
}
}
else
{
return View();
}
//var response = await request.GetResponseAsync();
}
private ActionResult HandleBinaryContent(GrabRequest request, HttpWebResponse response)
{
if (string.IsNullOrWhiteSpace(request.ToEmail))
{
return new HttpWebResponseResult(response);
//byte[] buffer = new byte[response.ContentLength];
//var buff = response.GetResponseStream().Read(buffer, 0, buffer.Length);
//Response.OutputStream.Write(buffer, 0, buffer.Length);
var contentType = response.ContentType;
//Response.AppendHeader("Content-Type", contentType);
return new FileStreamResult(response.GetResponseStream(), contentType);
}
else
{
return HandleOtherResponse(request, response);
}
return new EmptyResult();
}
private ActionResult ReturnFile(string filePath, GrabRequest request, HttpWebResponse response)
{
try
{
var message = new MailMessage();
message.To.Add(request.ToEmail);
message.Attachments.Add(new Attachment(filePath));
message.Body = string.Format(CultureInfo.InvariantCulture, "Here is your content for the following parameters : {0}", this.HttpContext.Request.Url.Query);
var client = new SmtpClient();
client.EnableSsl = false;
client.Send(message);
return new ContentResult() { Content = "Successful operation" };
}
catch (Exception ex)
{
return new ContentResult() { Content = ex.Message };
//throw;
}
//return File(filePath, "application/msword",string.Format(CultureInfo.InvariantCulture,"{0}.docx",DateTime.Now.ToString()));
}
private ActionResult HandleSuccessResponse(GrabRequest request, HttpWebResponse response)
{
var contentTypeHeader = response.ContentType;
string contentType = "text/html";
Encoding encoding = null;
if (contentTypeHeader != null)
{
contentType = contentTypeHeader.Split(';')[0];
var match = Regex.Match(contentTypeHeader, @"(?<=charset\=).*");
if (match.Success)
encoding = Encoding.GetEncoding(match.ToString());
if (contentType.IndexOf("image") >= 0)
{
contentType = "image";
}
}
switch (contentType)
{
case "text/html":
return HandleHtmlContent(request, response);
break;
case "image":
return HandleBinaryContent(request, response);
default:
return HandleOtherResponse(request, response);
break;
}
//else
//{
// HandleOtherResponse(request, response);
//}
}
private ActionResult HandleOtherResponse(GrabRequest request, HttpWebResponse response)
{
var filePath = GetFilePath();
//Response.ClearContent();
//Response.ClearHeaders();
using (var fs = System.IO.File.OpenWrite(filePath))
{
byte[] buffer = new byte[response.ContentLength];
//var buff = response.GetResponseStream().Read(buffer, 0, buffer.Length);
var responseStrm = response.GetResponseStream();
var buff = 0;
while ((buff = responseStrm.ReadByte()) >= 0)
{
fs.WriteByte(Convert.ToByte(buff));
}
}
return ReturnFile(filePath, request, response);
}
private ActionResult HandleHtmlContent(GrabRequest request, HttpWebResponse response)
{
return new HttpWebResponseResult(response);
}
private ActionResult HandleFailureResponse(GrabRequest request, HttpWebResponse response)
{
return new EmptyResult();
}
