public async Task <string[]> OnUploadBeginAsync(DropZoneFile file)
{
if (file is null)
{
throw new ArgumentNullException(nameof(file));
}
if (file.Path is null)
{
throw new ArgumentException("file's Path Property should not be null.", nameof(file));
}
if (file.Name is null)
{
throw new ArgumentException("file's Name Property should not be null.", nameof(file));
}
var args = new DropZoneUploadEventArgs(file.Path, file.Name, file.Size, file.Key, file.SessionId);
await UploadStarted.InvokeAsync(args).ConfigureAwait(true);
if (args.FormFields.Count == 0)
{
return(new string[0]);
}
else
{
var fields = new System.Collections.Generic.List <string>();
foreach (var kvp in args.FormFields)
{
fields.Add($"{kvp.Key}={kvp.Value}");
}
return(fields.ToArray());
}
}
protected virtual void OnUploadStarted(string fileName)
{
AutomationEventArgs args = new AutomationEventArgs();
args.FileName = fileName;
args.Progress = 0;
UploadStarted?.Invoke(args);
}
/// <summary>
/// 处理多文件上传
/// </summary>
/// <param name="p_files"></param>
async Task <bool> HandleUpload(IList <FileData> p_files)
{
UploadStarted?.Invoke(this, EventArgs.Empty);
List <string> result = null;
_cts?.Dispose();
_cts = new CancellationTokenSource();
try
{
result = await Uploader.Send(p_files, FixedVolume, _cts);
}
catch (Exception ex)
{
Log.Error(ex, "上传出错");
}
finally
{
_cts?.Dispose();
}
bool suc = false;
if (result == null || result.Count != p_files.Count)
{
// 失败
if (_cts == null)
{
Kit.Msg("已取消上传！");
}
else
{
Kit.Warn("😢上传失败，请重新上传！");
}
foreach (var vf in p_files)
{
((IUploadUI)vf.UploadUI).UploadFail(vf);
}
// 加载旧列表
ReadData(Data);
}
else
{
suc = true;
for (int i = 0; i < p_files.Count; i++)
{
var vf = p_files[i];
await((IUploadUI)vf.UploadUI).UploadSuccess(result[i], vf);
}
WriteData();
}
UploadFinished?.Invoke(this, suc);
return(suc);
}
/// <summary>
/// Uploads a file
/// </summary>
/// <param name="filename">The filename we want to upload</param>
/// <param name="MD5Checksum">The MD5 checksum of a file</param>
/// <returns>An Image object that describes the image we uploaded</returns>
public async Task UploadImageAsync(string filename, string MD5Checksum, CancellationToken token)
{
const string url = "https://upload.smugmug.com/";
try
{
var file = new FileInfo(filename);
var myWebRequest = (HttpWebRequest)WebRequest.Create(url);
myWebRequest.Method = WebRequestMethods.Http.Post;
myWebRequest.ContentLength = file.Length;
myWebRequest.UserAgent = "KHainePhotography PhotoStudioManager v1.0";
switch (file.Extension.ToLower())
{
case "mp4":
myWebRequest.ContentType = "video/mp4";
break;
case "jpg":
myWebRequest.ContentType = "image/jpeg";
break;
default:
myWebRequest.ContentType = "binary/octet-stream";
break;
}
// Add the authorization header
myWebRequest.Headers.Add("Authorization", oAuthUtility.GetAuthorizationHeader(Album.Token, myWebRequest.RequestUri.AbsoluteUri));
myWebRequest.Headers.Add("Content-MD5", MD5Checksum);
myWebRequest.Headers.Add("X-Smug-ResponseType", "JSON");
myWebRequest.Headers.Add("X-Smug-Version", "v2");
myWebRequest.Headers.Add("X-Smug-AlbumUri", Album.Uri);
myWebRequest.Headers.Add("X-Smug-FileName", file.Name);
myWebRequest.Headers.Add("X-Smug-Title", Path.GetFileNameWithoutExtension(file.FullName));
myWebRequest.Headers.Add("X-Smug-Caption", Path.GetFileNameWithoutExtension(file.FullName));
myWebRequest.Headers.Add("X-Smug-Latitude", "53.457920");
myWebRequest.Headers.Add("X-Smug-Longitude", "-1.464252");
myWebRequest.Headers.Add("X-Smug-Altitude", "86");
myWebRequest.Headers.Add("X-Smug-Pretty", "true");
//we start reading from the file...
//we have some elements to set
//- request time out (compute this for 10 kb/sec speed)
//- the chunk size to use when uploading (how much data to report after)
UploadStarted?.Invoke(this, new UploadEventArgs()
{
FileName = file.FullName, PercentComplete = 0
});
int timeOut = ((int)file.Length / 1024) * 1000;
myWebRequest.Timeout = timeOut;
myWebRequest.ReadWriteTimeout = timeOut;
myWebRequest.AllowWriteStreamBuffering = true;
long howMuchRead = 0;
byte[] buffer = new byte[chunkSize];
int readSoFar = 0;
using (FileStream sr = new FileStream(file.FullName, FileMode.Open, FileAccess.Read))
{
using (var stream = await myWebRequest.GetRequestStreamAsync())
{
while (howMuchRead < file.Length)
{
//we try to read a chunk from the file
readSoFar = sr.Read(buffer, 0, chunkSize);
howMuchRead += readSoFar;
//we now write those files to the web.
await stream.WriteAsync(buffer, 0, readSoFar, token);
UploadProgress?.Invoke(this, new UploadEventArgs()
{
FileName = file.FullName, PercentComplete = (float)howMuchRead / (float)file.Length
});
}
}
}
var resp = await myWebRequest.GetResponseAsync();
string rez = string.Empty;
using (StreamReader ns = new StreamReader(resp.GetResponseStream()))
{
rez = await ns.ReadToEndAsync();
}
UploadCompleted?.Invoke(this, new UploadEventArgs()
{
FileName = file.FullName, PercentComplete = (float)howMuchRead / (float)file.Length
});
//we deserialize the image
var response = JsonConvert.DeserializeObject <UploadReponse>(System.Uri.UnescapeDataString(rez));
if (response.stat != "ok")
{
throw new ApplicationException(response.stat);
}
}
catch (Exception e)
{
Debug.Fail(e.Message);
throw;
}
}