public static void HttpMultipart(HttpWebRequest request, Hashtable data, Hashtable files)
{
// We have files, so use the more complex multipart encoding.
string boundary = string.Format("--{0}",
DateTime.Now.Ticks.ToString("x"));
request.ContentType = string.Format("multipart/form-data; boundary={0}",
boundary);
ArrayList items = new ArrayList();
// Determine the amount of data we will be sending
long length = 0;
foreach (string key in data.Keys)
{
PostItem item = new PostItem(key, data[key].ToString(), boundary);
items.Add(item);
length += item.Length;
}
foreach (string key in files.Keys)
{
PostFile file = new PostFile(key, (FileInfo)files[key], boundary);
items.Add(file);
length += file.Length;
}
length += boundary.Length + 8;
request.ContentLength = length;
// Now stream the data.
//using (Stream requestStream = File.Create("c:\\Users\\bneely\\documents\\debug.txt"))
using (Stream requestStream = request.GetRequestStream())
{
foreach (PostItem item in items)
{
requestStream.Write(item.Header, 0, item.Header.Length);
if (item.GetType() == typeof(PostFile))
{
FileStream fileData = ((PostFile)item).OpenRead();
byte[] buffer = new byte[32768];
int read = 0;
while ((read = fileData.Read(buffer, 0, buffer.Length)) != 0)
{
requestStream.Write(buffer, 0, read);
}
}
else
{
byte[] itemData = UTF8Encoding.UTF8.GetBytes(item.Data);
requestStream.Write(itemData, 0, itemData.Length);
}
byte[] end = UTF8Encoding.UTF8.GetBytes(string.Format("\r\n--{0}--\r\n", boundary));
requestStream.Write(end, 0, end.Length);
}
}
}
public static void HttpMultipart(HttpWebRequest request, Hashtable data, Hashtable files)
{
// We have files, so use the more complex multipart encoding.
string boundary = string.Format("--{0}",
DateTime.Now.Ticks.ToString("x"));
request.ContentType = string.Format("multipart/form-data; boundary={0}",
boundary);
ArrayList items = new ArrayList();
// Determine the amount of data we will be sending
long length = 0;
foreach (string key in data.Keys)
{
PostItem item = new PostItem(key, data[key].ToString(), boundary);
items.Add(item);
length += item.Length;
}
foreach (string key in files.Keys)
{
PostFile file = new PostFile(key, (FileInfo)files[key], boundary);
items.Add(file);
length += file.Length;
}
length += boundary.Length + 8;
request.ContentLength = length;
// Now stream the data.
//using (Stream requestStream = File.Create("c:\\Users\\bneely\\documents\\debug.txt"))
using (Stream requestStream = request.GetRequestStream())
{
foreach (PostItem item in items)
{
requestStream.Write(item.Header, 0, item.Header.Length);
if (item.GetType() == typeof(PostFile))
{
FileStream fileData = ((PostFile)item).OpenRead();
byte[] buffer = new byte[32768];
int read = 0;
while ((read = fileData.Read(buffer, 0, buffer.Length)) != 0)
{
requestStream.Write(buffer, 0, read);
}
}
else
{
byte[] itemData = UTF8Encoding.UTF8.GetBytes(item.Data);
requestStream.Write(itemData, 0, itemData.Length);
}
byte[] end = UTF8Encoding.UTF8.GetBytes(string.Format("\r\n--{0}--\r\n", boundary));
requestStream.Write(end, 0, end.Length);
}
}
}
public static void HttpMultipart(HttpWebRequest request, Hashtable data, Hashtable files)
{
// We have files, so use the more complex multipart encoding.
string boundary = string.Format("--{0}",
DateTime.Now.Ticks.ToString("x"));
string nlBoundry = Environment.NewLine + boundary;
string endBoundry = string.Format(Environment.NewLine + "{0}--" + Environment.NewLine, boundary);
request.ContentType = string.Format("multipart/form-data; boundary={0}",
boundary.Replace("--", ""));
ArrayList items = new ArrayList();
// Determine the amount of data we will be sending
long length = 0;
int x = 1;
bool addNewLine = false;
int addTolength = 4;
foreach (string key in data.Keys)
{
PostItem item = new PostItem(key, data[key].ToString(), boundary);
items.Add(item);
length += item.Length;
}
foreach (string key in files.Keys)
{
if (addNewLine)
{
boundary = nlBoundry;
addNewLine = false;
}
else
{
if (files.Keys.Count > 1)
{
addNewLine = true;
}
else
{
addTolength = 6;
}
}
PostFile file = new PostFile(key, (FileInfo)files[key], boundary);
items.Add(file);
length += file.Length;
}
length += boundary.Length + addTolength;
request.ContentLength = length;
using (Stream requestStream = request.GetRequestStream())
{
foreach (PostItem item in items)
{
requestStream.Write(item.Header, 0, item.Header.Length);
if (item.GetType() == typeof(PostFile))
{
FileStream fileData = ((PostFile)item).OpenRead();
byte[] buffer = new byte[32768];
int read = 0;
while ((read = fileData.Read(buffer, 0, buffer.Length)) != 0)
{
requestStream.Write(buffer, 0, read);
}
}
else
{
byte[] itemData = UTF8Encoding.UTF8.GetBytes(item.Data);
requestStream.Write(itemData, 0, itemData.Length);
}
if (files.Keys.Count == x)
{
byte[] end = UTF8Encoding.UTF8.GetBytes(endBoundry);
requestStream.Write(end, 0, end.Length);
}
x++;
}
}
}
