/// <summary>
/// Upload files with additional data
/// </summary>
/// <param name="req">Http Url connection <see cref="HttpWebRequest" /></param>
/// <param name="files">Http Files <see cref="UploadFile" /></param>
/// <param name="form">Additional form data</param>
/// <returns>
/// <see cref="HttpWebResponse" />
/// </returns>
public static HttpWebResponse Upload(HttpWebRequest req, UploadFile[] files, NameValueCollection form)
{
var mimeParts = new List<MimePart>();
try {
foreach (string key in form.AllKeys) {
var 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) {
var 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";
byte[] footer = Encoding.UTF8.GetBytes("--" + boundary + "--\r\n");
long contentLength = mimeParts.Sum(part => part.GenerateHeaderFooterData(boundary));
//foreach (MimePart part in mimeParts)
//{
// contentLength += part.GenerateHeaderFooterData(boundary);
//}
req.ContentLength = contentLength + footer.Length;
var buffer = new byte[8192];
byte[] afterFile = Encoding.UTF8.GetBytes("\r\n");
using (Stream s = req.GetRequestStream()) {
foreach (MimePart 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 (HttpWebResponse) req.GetResponse();
}
catch {
foreach (MimePart part in mimeParts) {
if (part.Data != null)
part.Data.Dispose();
}
throw;
}
}
public static HttpWebResponse Upload(HttpWebRequest req, UploadFile[] files, NameValueCollection form)
{
var mimeParts = new List <MimePart>();
try {
foreach (string key in form.AllKeys)
{
var 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)
{
var 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";
byte[] footer = Encoding.UTF8.GetBytes("--" + boundary + "--\r\n");
long contentLength = mimeParts.Sum(part => part.GenerateHeaderFooterData(boundary));
//foreach (MimePart part in mimeParts)
//{
// contentLength += part.GenerateHeaderFooterData(boundary);
//}
req.ContentLength = contentLength + footer.Length;
var buffer = new byte[8192];
byte[] afterFile = Encoding.UTF8.GetBytes("\r\n");
using (Stream s = req.GetRequestStream()) {
foreach (MimePart 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((HttpWebResponse)req.GetResponse());
}
catch {
foreach (MimePart part in mimeParts)
{
if (part.Data != null)
{
part.Data.Dispose();
}
}
throw;
}
}