/// <summary>
/// Retrieve public properties of a file from a specified Uri
/// </summary>
/// <param name="uri">Uri to retrive properties</param>
/// <exception cref="NotSupportedException">Not logged in</exception>
/// <exception cref="ApiException">Mega.co.nz service reports an error</exception>
/// <exception cref="ArgumentNullException">uri is null</exception>
/// <exception cref="ArgumentException">Uri is not valid (id and key are required)</exception>
public INodePublic GetNodeFromLink(Uri uri)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
this.EnsureLoggedIn();
string id;
byte[] iv, metaMac, fileKey;
this.GetPartsFromUri(uri, out id, out iv, out metaMac, out fileKey);
// Retrieve attributes
DownloadUrlRequestFromId downloadRequest = new DownloadUrlRequestFromId(id);
DownloadUrlResponse downloadResponse = this.Request <DownloadUrlResponse>(downloadRequest);
return(new NodePublic(downloadResponse, fileKey));
}
/// <summary>
/// Retrieve a Stream to download and decrypt the specified Uri
/// </summary>
/// <param name="uri">Uri to download</param>
/// <exception cref="NotSupportedException">Not logged in</exception>
/// <exception cref="ApiException">Mega.co.nz service reports an error</exception>
/// <exception cref="ArgumentNullException">uri is null</exception>
/// <exception cref="ArgumentException">Uri is not valid (id and key are required)</exception>
/// <exception cref="DownloadException">Checksum is invalid. Downloaded data are corrupted</exception>
public Stream Download(Uri uri)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
this.EnsureLoggedIn();
string id;
byte[] iv, metaMac, fileKey;
this.GetPartsFromUri(uri, out id, out iv, out metaMac, out fileKey);
// Retrieve download URL
DownloadUrlRequestFromId downloadRequest = new DownloadUrlRequestFromId(id);
DownloadUrlResponse downloadResponse = this.Request <DownloadUrlResponse>(downloadRequest);
Stream dataStream = this.webClient.GetRequestRaw(new Uri(downloadResponse.Url));
return(new MegaAesCtrStreamDecrypter(dataStream, downloadResponse.Size, fileKey, iv, metaMac));
}
