private void MakeFileUpload(FileStream fileStream, string path, bool overwrite,
UploadCallback uploadCallback,
AsyncCallback <BackendlessFile> callback)
{
string boundary = DateTime.Now.Ticks.ToString("x");
byte[] boundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
var fileName = Path.GetFileName(fileStream.Name);
//You cannot get name of IsolatedStorageFileStream the normal way, it always returns [Unknown] (making it pass the checks against null)
if (fileStream.GetType() == typeof(System.IO.IsolatedStorage.IsolatedStorageFileStream))
{
fileName = Path.GetFileName(((System.IO.IsolatedStorage.IsolatedStorageFileStream)fileStream).Name);
}
var sb = new StringBuilder();
sb.Append("--");
sb.Append(boundary);
sb.Append("\r\n");
sb.Append("Content-Disposition: form-data; name=\"file\"; filename=\"");
sb.Append(fileName);
sb.Append("\"");
sb.Append("\r\n");
sb.Append("Content-Type: ");
sb.Append("application/octet-stream");
sb.Append("\r\n");
sb.Append("Content-Transfer-Encoding: binary");
sb.Append("\r\n");
sb.Append("\r\n");
var header = sb.ToString();
byte[] headerBytes = Encoding.UTF8.GetBytes(header);
var urlStr = Backendless.URL + "/" + Backendless.AppId + "/" + Backendless.APIKey + "/files/" +
EncodeURL(path) + "/" + EncodeURL(fileName);
if (overwrite)
{
urlStr = urlStr + "?overwrite=true";
}
var httpRequest =
(HttpWebRequest)
WebRequest.Create(
new Uri(
urlStr,
UriKind.Absolute));
httpRequest.ContentType = "multipart/form-data; boundary=" + boundary;
httpRequest.Method = "POST";
httpRequest.Headers["KeepAlive"] = "true";
foreach (var h in HeadersManager.GetInstance().Headers)
{
httpRequest.Headers[h.Key] = h.Value;
}
try
{
var async = new RequestStreamAsyncState <BackendlessFile>
{
Callback = callback,
UploadCallback = uploadCallback,
HttpRequest = httpRequest,
HeaderBytes = headerBytes,
BoundaryBytes = boundaryBytes,
FileStream = fileStream
};
httpRequest.BeginGetRequestStream(RequestStreamCallback, async);
}
catch (System.Exception ex)
{
if (callback != null)
{
callback.ErrorHandler.Invoke(new BackendlessFault(ex.Message));
}
else
{
throw;
}
}
}
private void MakeFileUpload(Stream stream, string path, UploadCallback uploadCallback,
AsyncCallback <BackendlessFile> callback)
{
string boundary = DateTime.Now.Ticks.ToString("x");
byte[] boundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
var fileName = "";
try
{
fileName = Path.GetFileName(path);
}
catch (System.Exception ex) {
if (callback != null)
{
callback.ErrorHandler.Invoke(new BackendlessFault(ex.Message));
}
else
{
throw;
}
}
var sb = new StringBuilder();
sb.Append("--");
sb.Append(boundary);
sb.Append("\r\n");
sb.Append("Content-Disposition: form-data; name=\"file\"; filename=\"");
sb.Append(fileName);
sb.Append("\"");
sb.Append("\r\n");
sb.Append("Content-Type: ");
sb.Append("application/octet-stream");
sb.Append("\r\n");
sb.Append("Content-Transfer-Encoding: binary");
sb.Append("\r\n");
sb.Append("\r\n");
string header = sb.ToString();
byte[] headerBytes = Encoding.UTF8.GetBytes(header);
var httpRequest =
(HttpWebRequest)
WebRequest.Create(
new Uri(
Backendless.Url + "/" + Backendless.VersionNum + "/files/" + EncodeURL(path),
UriKind.Absolute));
httpRequest.ContentType = "multipart/form-data; boundary=" + boundary;
httpRequest.Method = "POST";
httpRequest.Headers["KeepAlive"] = "true";
foreach (var h in HeadersManager.GetInstance().Headers)
{
httpRequest.Headers[h.Key] = h.Value;
}
try
{
var async = new RequestStreamAsyncState <BackendlessFile>
{
Callback = callback,
UploadCallback = uploadCallback,
HttpRequest = httpRequest,
HeaderBytes = headerBytes,
BoundaryBytes = boundaryBytes,
Stream = stream
};
httpRequest.BeginGetRequestStream(RequestStreamCallback, async);
}
catch (System.Exception ex)
{
if (callback != null)
{
callback.ErrorHandler.Invoke(new BackendlessFault(ex.Message));
}
else
{
throw;
}
}
}
