private async Task <AttachmentPointer> CreateAttachmentPointer(CancellationToken token, SignalServiceAttachmentStream attachment)
{
byte[] attachmentKey = Util.GetSecretBytes(64);
long paddedLength = PaddingInputStream.GetPaddedSize(attachment.Length);
long ciphertextLength = AttachmentCipherInputStream.GetCiphertextLength(paddedLength);
PushAttachmentData attachmentData = new PushAttachmentData(attachment.ContentType,
new PaddingInputStream(attachment.InputStream, attachment.Length),
ciphertextLength,
new AttachmentCipherOutputStreamFactory(attachmentKey),
attachment.Listener);
(ulong id, byte[] digest) = await socket.SendAttachment(token, attachmentData);
var attachmentPointer = new AttachmentPointer
{
ContentType = attachment.ContentType,
Id = id,
Key = ByteString.CopyFrom(attachmentKey),
Digest = ByteString.CopyFrom(digest),
Size = (uint)attachment.Length
};
if (attachment.FileName != null)
{
attachmentPointer.FileName = attachment.FileName;
}
if (attachment.Preview != null)
{
attachmentPointer.Thumbnail = ByteString.CopyFrom(attachment.Preview);
}
if (attachment.Width > 0)
{
attachmentPointer.Width = (uint)attachment.Width;
}
if (attachment.Height > 0)
{
attachmentPointer.Height = (uint)attachment.Height;
}
if (attachment.VoiceNote)
{
attachmentPointer.Flags = (uint)AttachmentPointer.Types.Flags.VoiceMessage;
}
return(attachmentPointer);
}
private async Task <AttachmentPointer> createAttachmentPointer(SignalServiceAttachmentStream attachment)
{
byte[] attachmentKey = Util.getSecretBytes(64);
PushAttachmentData attachmentData = new PushAttachmentData(attachment.getContentType(),
attachment.getInputStream().AsInputStream(),
(ulong)attachment.getLength(),
attachmentKey);
ulong attachmentId = await socket.sendAttachment(attachmentData);
var builder = AttachmentPointer.CreateBuilder()
.SetContentType(attachment.getContentType())
.SetId(attachmentId)
.SetKey(ByteString.CopyFrom(attachmentKey))
.SetSize((uint)attachment.getLength());
if (attachment.getPreview().HasValue)
{
builder.SetThumbnail(ByteString.CopyFrom(attachment.getPreview().ForceGetValue()));
}
return(builder.Build());
}
private AttachmentPointer createAttachmentPointer(SignalServiceAttachmentStream attachment)
{
byte[] attachmentKey = Util.getSecretBytes(64);
PushAttachmentData attachmentData = new PushAttachmentData(attachment.getContentType(),
attachment.getInputStream(),
(ulong)attachment.getLength(),
attachmentKey);
Tuple <ulong, byte[]> attachmentIdAndDigest = socket.SendAttachment(attachmentData);
var attachmentPointer = new AttachmentPointer
{
ContentType = attachment.getContentType(),
Id = attachmentIdAndDigest.Item1,
Key = ByteString.CopyFrom(attachmentKey),
Digest = ByteString.CopyFrom(attachmentIdAndDigest.Item2),
Size = (uint)attachment.getLength()
};
if (attachment.FileName != null)
{
attachmentPointer.FileName = attachment.FileName;
}
if (attachment.getPreview().HasValue)
{
attachmentPointer.Thumbnail = ByteString.CopyFrom(attachment.getPreview().ForceGetValue());
}
if (attachment.VoiceNote)
{
attachmentPointer.Flags = (uint)AttachmentPointer.Types.Flags.VoiceMessage;
}
return(attachmentPointer);
}
