public async Task<string> DownloadAsync(string destinationFolder, string unsanitizedFileName, FileOverwriteMode mode, CancellationToken ct, IProgress<DataTransferProgress> progress)
{
Directory.CreateDirectory(destinationFolder);
string path;
if (mode == FileOverwriteMode.Rename)
{
path = FileSystem.GetUniqueFileName(destinationFolder, unsanitizedFileName);
}
else
{
path = FileSystem.SanitizeFileName(destinationFolder, unsanitizedFileName);
if (File.Exists(path))
{
if (mode == FileOverwriteMode.Error) throw new ArgumentException("File " + path + " already exists.");
else if (mode == FileOverwriteMode.Skip) return path;
}
if (mode == FileOverwriteMode.GenerateNameOnly) return path;
}
await DownloadAsync(path, ct, progress);
return path;
}
public async Task <string> DownloadAsync(string destinationFolder, string unsanitizedFileName, FileOverwriteMode mode, CancellationToken ct, IProgress <DataTransferProgress> progress)
{
#if !STANDALONE
if (Utils.PreventLocalFileAccess)
{
if (Path.IsPathRooted(destinationFolder))
{
throw new NotSupportedException("Downloading to absolute locations is not supported in this configuration.");
}
var verifier = Runtime.Compiler.Verifier.Instance;
if (verifier == null || verifier.DatabasePath == null)
{
throw new NotSupportedException("Downloading files requires a deployed connector.");
}
var downloads = Path.GetFullPath(Path.Combine(Path.GetDirectoryName(verifier.DatabasePath), "Downloads"));
destinationFolder = Path.GetFullPath(Path.Combine(downloads, destinationFolder));
if (!destinationFolder.StartsWith(downloads))
{
throw new NotSupportedException("Downloading to absolute locations is not supported in this configuration.");
}
}
#endif
Directory.CreateDirectory(destinationFolder);
string path;
if (mode == FileOverwriteMode.Rename)
{
path = FileSystem.GetUniqueFileName(destinationFolder, unsanitizedFileName);
}
else
{
path = FileSystem.SanitizeFileName(destinationFolder, unsanitizedFileName);
if (File.Exists(path))
{
if (mode == FileOverwriteMode.Error)
{
throw new ArgumentException("File " + path + " already exists.");
}
else if (mode == FileOverwriteMode.Skip)
{
return(path);
}
}
if (mode == FileOverwriteMode.GenerateNameOnly)
{
return(path);
}
}
await DownloadAsync(path, ct, progress);
return(path);
}
public Task<string> DownloadAsync(string destinationFolder, string unsanitizedFileName, FileOverwriteMode mode)
{
return DownloadAsync(destinationFolder, unsanitizedFileName, mode, CancellationToken.None, null);
}
public Task <string> DownloadAsync(string destinationFolder, string unsanitizedFileName, FileOverwriteMode mode)
{
return(DownloadAsync(destinationFolder, unsanitizedFileName, mode, CancellationToken.None, null));
}
