private UpoladType GetUpooadType(FileInfo fi)
{
UpoladType upoladType = new UpoladType();
upoladType.FileInfo = fi;
string fileExtension = fi.Extension;
switch (fileExtension.ToLower())
{
case ".jpg":
case ".jpge":
upoladType.type = "image/jpg";
upoladType.ContentType = "image/jpg";
upoladType.mediatype = "pic";
break;
case "gif":
upoladType.type = "image/gif";
upoladType.ContentType = "image/gif";
upoladType.mediatype = "doc";
break;
case ".mp4":
upoladType.type = "video/mp4";
upoladType.ContentType = "video/mp4";
upoladType.mediatype = "video";
break;
case ".doc":
case ".docx":
case ".ppt":
case ".pptx":
case ".xls":
case ".xlsx":
upoladType.type = "application/vnd.openxmlformats-officedocument.presentationml.presentation";
upoladType.ContentType = "image/gif";
upoladType.mediatype = "application/vnd.openxmlformats-officedocument.presentationml.presentation";
break;
case ".txt":
upoladType.type = "text/plain";
upoladType.ContentType = "text/plain";
upoladType.mediatype = "doc";
break;
default:
upoladType.type = "application/octet-stream";
upoladType.ContentType = "application/octet-stream";
upoladType.mediatype = "doc";
break;
}
return(upoladType);
}
public string UploadFile(string path)
{
Cookie sid = HttpServer.GetCookie("wxsid");
Cookie uin = HttpServer.GetCookie("wxuin");
FileInfo file = new FileInfo(path);
StringBuilder sb = new StringBuilder();
sb.AppendFormat("{{\"UploadType\":2,\"BaseRequest\":{{\"Uin\":{0},\"Sid\":\"{1}\",\"Skey\":\"{2}\",\"DeviceID\":\"e{3}\"}},", uin.Value, sid.Value, LoginService.SKey, Utils.GetTimeSpan());
sb.AppendFormat("\"ClientMediaId\":{3},\"TotalLen\":{0},\"StartPos\":0,\"DataLen\":{1},\"MediaType\":4,\"FileMd5\":\"{2}\"}}", file.Length, file.Length, GetFileMD5Hash.GetMD5Hash(path), Utils.GetTimeSpan());
UpoladType uploadType = GetUpooadType(file);
uploadType.uploadmediarequest = sb.ToString();
uploadType.Url = _uplpadFileUrl;
byte[] bytes = HttpServer.SendPostRequestByFile(uploadType);
string send_result = string.Empty;
if (bytes != null)
{
send_result = Encoding.UTF8.GetString(bytes);
}
return(send_result);
}
public static byte[] SendPostRequestByFile(UpoladType upload)
{
Cookie webwx_data_ticket = HttpServer.GetCookie("webwx_data_ticket");
string filename = upload.FileInfo.Name;
long filesize = upload.FileInfo.Length;
var request = WebRequest.Create(upload.Url) as HttpWebRequest;
request.Accept = "*/*";
if (upload.Url.Contains("wx2"))
{
request.Host = "file.wx2.qq.com";
request.Headers.Add("request", "https://wx2.qq.com");
request.Referer = "https://wx2.qq.com/";
request.Headers.Add("Origin", "https://wx2.qq.com");
}
else
{
request.Host = "file.wx.qq.com";
request.Headers.Add("request", "https://wx.qq.com");
request.Referer = "https://wx.qq.com/";
request.Headers.Add("Origin:", "https://wx.qq.com");
}
request.Headers.Add("Accept-Language", "zh-CN,zh;q=0.8,en;q=0.6,zh-TW;q=0.4");
request.Headers.Add("Accept-Encoding", "gzip,deflate");
request.ContentType = "multipart/form-data; boundary=----WebKitFormBoundaryLcLGZdwXomd67JVF";
request.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
request.Method = "POST";
request.ServicePoint.Expect100Continue = false;
string postbody = "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"id\"\r\n\r\n";
postbody += "WU_FILE_2\r\n";
postbody += "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"name\"\r\n\r\n";
postbody += filename + "\r\n";
postbody += "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"type\"\r\n\r\n";
postbody += "" + upload.type + "\r\n";
postbody += "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"lastModifiedDate\"\r\n\r\n";
postbody += upload.FileInfo.LastWriteTime.ToString("ddd MMM dd yyyy HH:mm:ss", CultureInfo.CreateSpecificCulture("en-US")) + " GMT+0800 (中国标准时间)" + "\r\n";
postbody += "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"size\"\r\n\r\n";
postbody += filesize + "\r\n";
postbody += "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"mediatype\"\r\n\r\n";
postbody += "" + upload.mediatype + "\r\n";
postbody += "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"uploadmediarequest\"\r\n\r\n";
postbody += upload.uploadmediarequest + "\r\n";
postbody += "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"webwx_data_ticket\"\r\n\r\n";
postbody += webwx_data_ticket.Value + "\r\n";
postbody += "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"pass_ticket\"\r\n\r\n";
postbody += "undefined\r\n";
postbody += "------WebKitFormBoundaryLcLGZdwXomd67JVF\r\n";
postbody += "Content-Disposition: form-data; name=\"filename\"; filename=\"" + filename + "\"\r\n";
postbody += "Content-Type: " + upload.ContentType + "\r\n\r\n";
FileStream fs = upload.FileInfo.OpenRead();
try
{
var sw = new StreamWriter(request.GetRequestStream());
sw.Write(postbody); sw.Flush();
//文件数据不能读为string，要直接读byte
byte[] buffer = new byte[1024];
int bytesRead = 0;
while ((bytesRead = fs.Read(buffer, 0, buffer.Length)) != 0)
{
sw.BaseStream.Write(buffer, 0, bytesRead);
}
sw.Write("\r\n------WebKitFormBoundaryLcLGZdwXomd67JVF--\r\n");
sw.Flush();
sw.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream response_stream = response.GetResponseStream();
int count = (int)response.ContentLength;
int offset = 0;
byte[] buf = new byte[count];
while (count > 0) //读取返回数据
{
int n = response_stream.Read(buf, offset, count);
if (n == 0)
{
break;
}
count -= n;
offset += n;
}
response_stream.Close();
return(buf);
}
catch
{
return(null);
}
finally
{
fs.Close();
}
}
