/// <summary>
/// 上传数据流
/// </summary>
/// <param name="stream">(确定长度的)数据流</param>
/// <param name="key">要保存的key</param>
/// <param name="token">上传凭证</param>
/// <param name="putExtra">上传可选设置</param>
/// <returns>上传数据流后的返回结果</returns>
public async Task <HttpResult> UploadStream(Stream stream, string key, string token, PutExtra putExtra)
{
if (putExtra == null)
{
putExtra = new PutExtra();
}
if (string.IsNullOrEmpty(putExtra.MimeType))
{
putExtra.MimeType = ContentType.APPLICATION_OCTET_STREAM;
}
if (putExtra.ProgressHandler == null)
{
putExtra.ProgressHandler = DefaultUploadProgressHandler;
}
if (putExtra.UploadController == null)
{
putExtra.UploadController = DefaultUploadController;
}
var fileName = key;
if (string.IsNullOrEmpty(key))
{
fileName = "fname_temp";
}
var result = new HttpResult();
try
{
var boundary = HttpManager.CreateFormDataBoundary();
var content = new MultipartFormDataContent(boundary);
var length = stream.Length;
putExtra.ProgressHandler(0, length);
// Key
if (!string.IsNullOrEmpty(key))
{
content.Add(new StringContent(key), "key");
}
// Token
content.Add(new StringContent(token), "token");
// Other params
if (putExtra.Params != null)
{
foreach (var param in putExtra.Params)
{
content.Add(new StringContent(param.Value), param.Key);
}
}
// Reuse stream
if (!stream.CanSeek)
{
var ms = new MemoryStream((int)stream.Length);
stream.CopyTo(ms);
stream.Dispose();
stream = ms;
}
// CRC32
var crc32 = Crc32.CheckSumStream(stream);
stream.Seek(0, SeekOrigin.Begin);
content.Add(new StringContent(crc32.ToString()), "crc32");
// Primary content
var part = new StreamContent(stream);
part.Headers.ContentType = MediaTypeHeaderValue.Parse(putExtra.MimeType);
content.Add(part, "file", fileName);
// Get upload host
var ak = UpToken.GetAccessKeyFromUpToken(token);
var bucket = UpToken.GetBucketFromUpToken(token);
if (ak == null || bucket == null)
{
return(HttpResult.InvalidToken);
}
var uploadHost = await _config.UpHost(ak, bucket);
// TODO: Real progress
putExtra.ProgressHandler(length / 5, length);
result = await _httpManager.PostAsync(uploadHost, content, boundary);
putExtra.ProgressHandler(length, length);
if (result.Code == (int)HttpCode.OK)
{
result.RefText += $"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.ffff}] [FormUpload] Uploaded: #STREAM# ==> \"{key}\"\n";
}
else
{
result.RefText += $"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.ffff}] [FormUpload] Failed: code = {result.Code}, text = {result.Text}\n";
}
}
catch (Exception ex)
{
var sb = new StringBuilder();
sb.Append($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.ffff}] [FormUpload] Error: ");
var e = ex;
while (e != null)
{
sb.Append(e.Message + " ");
e = e.InnerException;
}
sb.AppendLine();
if (ex is QiniuException qex)
{
result.Code = qex.HttpResult.Code;
result.RefCode = qex.HttpResult.Code;
result.Text = qex.HttpResult.Text;
result.RefText += sb.ToString();
}
else
{
result.RefCode = (int)HttpCode.USER_UNDEF;
result.RefText += sb.ToString();
}
}
return(result);
}
