private static FileReferences LoadFileReferences(string dataFile)
{
if (!File.Exists(dataFile))
{
return new FileReferences { Name = string.Empty };
}
try
{
IList<string> data = File.ReadAllText(dataFile).Split('|');
StorjApiClient client = new StorjApiClient(apiUrl);
byte[] fileListBytes = client.DownloadAsync(data.First(), data.Last()).Result;
return JsonConvert.DeserializeObject<FileReferences>(Encoding.ASCII.GetString(fileListBytes));
}
catch (Exception e)
{
return new FileReferences { Name = string.Empty };
}
}
private void PersistFileReferences()
{
StartCommunication();
string data = JsonConvert.SerializeObject(files.Value);
StorjApiClient client = new StorjApiClient(apiUrl);
try
{
UploadedFile cloudFile = client.UploadAsync(new MemoryStream(Encoding.ASCII.GetBytes(data)), "data.dat").Result;
File.WriteAllText(dataFile.Value, string.Format("{0}|{1}", cloudFile.FileHash, cloudFile.Key));
}
catch (Exception e)
{
}
finally
{
EndCommunication();
}
}
private void EnsureUploadStarted()
{
lock (lockTask)
{
if (uploadTask == null)
{
StorjApiClient client = new StorjApiClient(apiUrl);
if (Size > 0)
{
uploadTask = client.UploadStreamedAsync(Upload, fileName, Size);
}
else
{
uploadTask = client.UploadAsync(UploadAsync, fileName);
}
}
}
}
protected override async Task<Stream> DownloadStreamedAsync(StorjApiClient client, string hash, string key)
{
return await client.DownloadStreamedAsync(hash, key);
}
protected override async Task<Stream> DownloadStreamedAsync(StorjApiClient client, string hash, string key)
{
// Do not provide the key to download the file encrypted
return await client.DownloadStreamedAsync(hash);
}
protected abstract Task<Stream> DownloadStreamedAsync(StorjApiClient client, string hash, string key);
private void EnsureDownloadStarted()
{
lock (lockTask)
{
if (downloadTask == null)
{
StorjApiClient client = new StorjApiClient(apiUrl);
downloadTask = DownloadStreamedAsync(client, hash, key);
}
}
}