public Stream Download(Uri uri, CancellationToken?cancellationToken = null)
#endif
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
this.EnsureLoggedIn();
string id;
byte[] iv, metaMac, key;
this.GetPartsFromUri(uri, out id, out iv, out metaMac, out key);
// Retrieve download URL
DownloadUrlRequestFromId downloadRequest = new DownloadUrlRequestFromId(id);
DownloadUrlResponse downloadResponse = this.Request <DownloadUrlResponse>(downloadRequest);
Stream dataStream = this.webClient.GetRequestRaw(new Uri(downloadResponse.Url));
Stream resultStream = new MegaAesCtrStreamDecrypter(dataStream, downloadResponse.Size, key, iv, metaMac);
#if !NET35
if (cancellationToken.HasValue)
{
resultStream = new CancellableStream(resultStream, cancellationToken.Value);
}
#endif
return(resultStream);
}
/// <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, CancellationToken?cancellationToken = null)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
this.EnsureLoggedIn();
string id;
byte[] iv, metaMac, key;
this.GetPartsFromUri(uri, out id, out iv, out metaMac, out key);
// Retrieve download URL
DownloadUrlRequestFromId downloadRequest = new DownloadUrlRequestFromId(id);
DownloadUrlResponse downloadResponse = this.Request <DownloadUrlResponse>(downloadRequest);
Uri downloadUrl = new Uri(downloadResponse.Url);
Stream dataStream = new SeekableReadStream(this.webClient.GetLength(downloadUrl), (buffer, bufferOffset, offset, count)
=> this.webClient.GetRequestRawWithRange(
downloadUrl, offset, offset + count).Read(buffer, bufferOffset, count));
Stream resultStream = new MegaAesCtrStreamDecrypter(dataStream, downloadResponse.Size, key, iv, metaMac);
if (cancellationToken.HasValue)
{
resultStream = new CancellableStream(resultStream, cancellationToken.Value);
}
return(resultStream);
}
/// <summary>
/// Retrieve a Stream to download and decrypt the specified Uri
/// </summary>
/// <param name="uri">Uri to download</param>
/// <param name="dataSize">Fill</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, ref long dataSize)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
this.EnsureLoggedIn();
Regex uriRegex = new Regex("#!(?<id>.+)!(?<key>.+)");
Match match = uriRegex.Match(uri.Fragment);
if (match.Success == false)
{
throw new ArgumentException(string.Format("Invalid uri. Unable to extract Id and Key from the uri {0}", uri));
}
string id = match.Groups["id"].Value;
byte[] decryptedKey = match.Groups["key"].Value.FromBase64();
byte[] iv;
byte[] metaMac;
byte[] fileKey;
Crypto.GetPartsFromDecryptedKey(decryptedKey, 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));
dataSize = downloadResponse.Size;
return(new MegaAesCtrStreamDecrypter(dataStream, downloadResponse.Size, fileKey, iv, metaMac));
}
// Token: 0x06000949 RID: 2377 RVA: 0x0004BCC8 File Offset: 0x00049EC8
public INodeInfo GetNodeFromLink(Uri uri)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
this.EnsureLoggedIn();
string id;
byte[] array;
byte[] array2;
byte[] key;
this.GetPartsFromUri(uri, out id, out array, out array2, out key);
DownloadUrlRequestFromId request = new DownloadUrlRequestFromId(id);
DownloadUrlResponse downloadResponse = this.Request <DownloadUrlResponse>(request, null);
return(new NodeInfo(id, downloadResponse, key));
}
/// <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 INodeInfo GetNodeFromLink(Uri uri)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
this.EnsureLoggedIn();
string id;
byte[] iv, metaMac, key;
this.GetPartsFromUri(uri, out id, out iv, out metaMac, out key);
// Retrieve attributes
DownloadUrlRequestFromId downloadRequest = new DownloadUrlRequestFromId(id);
DownloadUrlResponse downloadResponse = this.Request <DownloadUrlResponse>(downloadRequest);
return(new NodeInfo(id, downloadResponse, key));
}
/// <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));
}
// Token: 0x06000948 RID: 2376 RVA: 0x0004BC34 File Offset: 0x00049E34
public Stream Download(Uri uri, CancellationToken?cancellationToken = null)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
this.EnsureLoggedIn();
string id;
byte[] iv;
byte[] expectedMetaMac;
byte[] fileKey;
this.GetPartsFromUri(uri, out id, out iv, out expectedMetaMac, out fileKey);
DownloadUrlRequestFromId request = new DownloadUrlRequestFromId(id);
DownloadUrlResponse downloadUrlResponse = this.Request <DownloadUrlResponse>(request, null);
Stream stream = new MegaAesCtrStreamDecrypter(new BufferedStream(this.webClient.GetRequestRaw(new Uri(downloadUrlResponse.Url))), downloadUrlResponse.Size, fileKey, iv, expectedMetaMac);
if (cancellationToken != null)
{
stream = new CancellableStream(stream, cancellationToken.Value);
}
return(stream);
}
