/// <summary>
/// 生成表单和文件
/// </summary>
/// <param name="request"></param>
/// <param name="buffer"></param>
/// <param name="boundary">边界</param>
private static void GenerateMultipartFormAndFiles(HttpRequest request, IReceiveBuffer buffer, string boundary)
{
var boundaryBytes = Encoding.ASCII.GetBytes("\r\n--" + boundary);
var maxPosition = buffer.Length - Encoding.ASCII.GetBytes("--\r\n").Length;
var files = new List<HttpFile>();
var form = new HttpNameValueCollection();
buffer.Position = buffer.Position + boundaryBytes.Length;
while (buffer.Position < maxPosition)
{
var headLength = buffer.IndexOf(Protocol.DoubleCrlf) + Protocol.DoubleCrlf.Length;
if (headLength < Protocol.DoubleCrlf.Length)
{
break;
}
var head = buffer.ReadString(headLength, Encoding.UTF8);
var bodyLength = buffer.IndexOf(boundaryBytes);
if (bodyLength < 0)
{
break;
}
var mHead = new MultipartHead(head);
if (mHead.IsFile == true)
{
var stream = buffer.ReadArray(bodyLength);
var file = new HttpFile(mHead, stream);
files.Add(file);
}
else
{
var byes = buffer.ReadArray(bodyLength);
var value = HttpUtility.UrlDecode(byes, Encoding.UTF8);
form.Add(mHead.Name, value);
}
buffer.Position = buffer.Position + boundaryBytes.Length;
}
request.Form = form;
request.Files = files.ToArray();
}