async public Task Download(Uri fileUri, Page Card)
{
ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
using (WebClient cln = new WebClient())
{
string filename = "ŚĆŻ";
string partfilename = string.Empty;
string type = string.Empty;
long Size = 0;
try
{
cln.OpenRead(fileUri);
string header_contentDisposition = cln.ResponseHeaders["content-disposition"];
filename = new ContentDisposition(header_contentDisposition).FileName;
byte[] bytes = Encoding.Default.GetBytes(filename);
filename = Encoding.UTF8.GetString(bytes);
partfilename = filename.Substring(0, filename.LastIndexOf('.'));
type = filename.Substring(filename.LastIndexOf('.'));
}
catch (Exception e)
{
Debug.WriteLine(e);
}
FileSavePicker picker = new FileSavePicker();
picker.SuggestedFileName = partfilename;
picker.FileTypeChoices.Add(type.Substring(1), new List <string>()
{
type
});
picker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
var file = await picker.PickSaveFileAsync();
var DownloadO = new Download(Card.Dispatcher)
{
Filename = file.Name,
URL = fileUri,
FileSize = Size
};
FileUpdateStatus status = await CachedFileManager.CompleteUpdatesAsync(file);
if (status == FileUpdateStatus.Complete)
{
BackgroundDownloader downloader = new BackgroundDownloader();
DownloadOperation download = downloader.CreateDownload(DownloadO.URL, file);
DObject = DownloadO;
Player.Download.DownloadList.Add(DObject);
download.StartAsync();
download.RangesDownloaded += Download_RangesDownloaded;
}
}
}
public static string Get(string disposition)
{
if (string.IsNullOrWhiteSpace(disposition))
{
return(string.Empty);
}
var result = string.Empty;
try {
result = new ContentDisposition(disposition).FileName;
const string B64 = "?B?";
var b64Index = result.IndexOf(B64, StringComparison.InvariantCultureIgnoreCase);
if (b64Index > -1)
{
result = result.Substring(b64Index + B64.Length, result.Length - b64Index - B64.Length).Trim('\"').Replace("?=", "");
result = Encoding.UTF8.GetString(Convert.FromBase64String(result));
}
} catch {
foreach (var item in disposition.Split(";").Select(i => i.Trim()))
{
const string FILENAME = "filename";
var fileNameIndex = item.IndexOf(FILENAME, StringComparison.InvariantCultureIgnoreCase);
if (fileNameIndex > -1)
{
var quotesIndex = item.IndexOf("''", fileNameIndex, StringComparison.InvariantCultureIgnoreCase);
if (quotesIndex > -1)
{
result = item.Substring(quotesIndex + 2, item.Length - quotesIndex - 2);
}
else
{
quotesIndex = item.IndexOf("\"", fileNameIndex, StringComparison.InvariantCultureIgnoreCase);
if (quotesIndex > -1)
{
result = item.Substring(quotesIndex + 1, item.Length - quotesIndex - 2);
}
else
{
result = item.Substring(fileNameIndex + FILENAME.Length + 1, item.Length - FILENAME.Length - 1);
}
}
}
if (!string.IsNullOrWhiteSpace(result))
{
break;
}
}
}
if (string.IsNullOrEmpty(result))
{
_logger.Warn($"Не удалось получить имя файла из {disposition}");
}
return(HttpUtility.UrlDecode(result));
}