/// <summary>
/// Gets the URL location of an attachment
/// </summary>
public async Task <string> RetrieveAttachmentDownloadUrl(CancellationToken token, ulong attachmentId)
{
string path = string.Format(ATTACHMENT_PATH, attachmentId.ToString());
string response = await MakeServiceRequestAsync(token, path, "GET", null);
AttachmentDescriptor descriptor = JsonUtil.FromJson <AttachmentDescriptor>(response);
return(descriptor.Location);
}
/// <summary>
/// Gets a URL that can be used to upload an attachment
/// </summary>
/// <returns>The attachment ID and the URL</returns>
public async Task <(ulong id, string location)> RetrieveAttachmentUploadUrl(CancellationToken token)
{
string response = await MakeServiceRequestAsync(token, string.Format(ATTACHMENT_PATH, ""), "GET", null);
AttachmentDescriptor attachmentKey = JsonUtil.FromJson <AttachmentDescriptor>(response);
if (attachmentKey == null || attachmentKey.Location == null)
{
throw new Exception("Server failed to allocate an attachment key!");
}
return(attachmentKey.Id, attachmentKey.Location);
}
public Tuple <ulong, byte[]> SendAttachment(PushAttachmentData attachment)// throws IOException
{
string response = makeRequest(string.Format(ATTACHMENT_PATH, ""), "GET", null);
AttachmentDescriptor attachmentKey = JsonUtil.fromJson <AttachmentDescriptor>(response);
if (attachmentKey == null || attachmentKey.getLocation() == null)
{
throw new Exception("Server failed to allocate an attachment key!");
}
Debug.WriteLine("Got attachment content location: " + attachmentKey.getLocation(), TAG);
byte[] digest = UploadAttachment("PUT", attachmentKey.getLocation(), attachment.getData(),
attachment.getDataSize(), attachment.getKey());
return(new Tuple <ulong, byte[]>(attachmentKey.getId(), digest));
}
public void retrieveAttachment(string relay, ulong attachmentId, FileStream tmpDestination, int maxSizeBytes)
{
string path = string.Format(ATTACHMENT_PATH, attachmentId.ToString());
if (!Util.isEmpty(relay))
{
path = path + "?relay=" + relay;
}
string response = makeRequest(path, "GET", null);
Debug.WriteLine("PushServiceSocket: Received resp " + response);
AttachmentDescriptor descriptor = JsonUtil.fromJson <AttachmentDescriptor>(response);
Debug.WriteLine("PushServiceSocket: Attachment: " + attachmentId + " is at: " + descriptor.getLocation());
downloadExternalFile(descriptor.getLocation(), tmpDestination);
}
public async Task <ulong> sendAttachment(PushAttachmentData attachment)// throws IOException
{
string response = await makeRequest(string.Format(ATTACHMENT_PATH, ""), "GET", null);
AttachmentDescriptor attachmentKey = JsonUtil.fromJson <AttachmentDescriptor>(response);
if (attachmentKey == null || attachmentKey.getLocation() == null)
{
throw new Exception("Server failed to allocate an attachment key!");
}
Debug.WriteLine("Got attachment content location: " + attachmentKey.getLocation(), TAG);
/*uploadAttachment("PUT", attachmentKey.getLocation(), attachment.getData(),
* attachment.getDataSize(), attachment.getKey());
*/
throw new NotImplementedException("PushServiceSocket sendAttachment");
return(attachmentKey.getId());
}
