public string Upload(IUriBuilder uriBuilder, Dictionary <string, object> parameters, params File[] files)
{
var uri = uriBuilder.Build();
var mimeParts = new List <MimePart>();
try
{
var request = WebRequest.Create(uri);
foreach (var key in parameters.Keys)
{
var part = new StringMimePart();
part.Headers["Content-Disposition"] = "form-data; name=\"" + key + "\"";
part.StringData = parameters[key].ToString();
mimeParts.Add(part);
}
var nameIndex = 0;
foreach (var file in files)
{
var part = new StreamMimePart();
if (string.IsNullOrEmpty(file.FieldName))
{
file.FieldName = "file" + nameIndex++;
}
part.Headers["Content-Disposition"] = "form-data; name=\"" + file.FieldName + "\"; filename=\"" + file.Path + "\"";
part.Headers["Content-Type"] = File.ContentType;
part.SetStream(file.Data);
mimeParts.Add(part);
}
var boundary = "----------" + DateTime.Now.Ticks.ToString("x");
request.ContentType = "multipart/form-data; boundary=" + boundary;
request.Method = "POST";
var footer = Encoding.UTF8.GetBytes("--" + boundary + "--\r\n");
var contentLength = mimeParts.Sum(part => part.GenerateHeaderFooterData(boundary));
request.ContentLength = contentLength + footer.Length;
var buffer = new byte[8192];
var afterFile = Encoding.UTF8.GetBytes("\r\n");
using (var s = request.GetRequestStream())
{
foreach (var part in mimeParts)
{
s.Write(part.Header, 0, part.Header.Length);
int read;
while ((read = part.Data.Read(buffer, 0, buffer.Length)) > 0)
{
s.Write(buffer, 0, read);
}
part.Data.Dispose();
s.Write(afterFile, 0, afterFile.Length);
}
s.Write(footer, 0, footer.Length);
}
return(GetContent(request, (statusCode, content) =>
string.Format("Upload failed. Parameters: uri = {0}. Files: {1}. Response: {2} - {3}",
uri.AbsoluteUri,
string.Join(";", files.Select(x => x.Path)),
statusCode,
content)));
}
finally
{
foreach (var mimePart in mimeParts.Where(part => part.Data != null))
{
mimePart.Data.Dispose();
}
}
}
public static HttpWebResponse Upload(HttpWebRequest req, UploadFile[] files, NameValueCollection form)
{
List<MimePart> mimeParts = new List<MimePart>();
try
{
foreach (string key in form.AllKeys)
{
StringMimePart part = new StringMimePart();
part.Headers["Content-Disposition"] = "form-data; name=\"" + key + "\"";
part.StringData = form[key];
mimeParts.Add(part);
}
int nameIndex = 0;
foreach (UploadFile file in files)
{
StreamMimePart part = new StreamMimePart();
if (string.IsNullOrEmpty(file.FieldName))
file.FieldName = "file" + nameIndex++;
part.Headers["Content-Disposition"] = "form-data; name=\"" + file.FieldName + "\"; filename=\"" + file.FileName + "\"";
part.Headers["Content-Type"] = file.ContentType;
part.SetStream(file.Data);
mimeParts.Add(part);
}
string boundary = "----------" + DateTime.Now.Ticks.ToString("x");
req.ContentType = "multipart/form-data; boundary=" + boundary;
req.Method = "POST";
long contentLength = 0;
byte[] _footer = Encoding.UTF8.GetBytes("--" + boundary + "--\r\n");
foreach (MimePart part in mimeParts)
{
contentLength += part.GenerateHeaderFooterData(boundary);
}
req.ContentLength = contentLength + _footer.Length;
byte[] buffer = new byte[8192];
byte[] afterFile = Encoding.UTF8.GetBytes("\r\n");
int read;
using (Stream s = req.GetRequestStream())
{
foreach (MimePart part in mimeParts)
{
s.Write(part.Header, 0, part.Header.Length);
while ((read = part.Data.Read(buffer, 0, buffer.Length)) > 0)
s.Write(buffer, 0, read);
part.Data.Dispose();
s.Write(afterFile, 0, afterFile.Length);
}
s.Write(_footer, 0, _footer.Length);
}
return (HttpWebResponse)req.GetResponse();
}
catch
{
foreach (MimePart part in mimeParts)
if (part.Data != null)
part.Data.Dispose();
throw;
}
}
