public async Task <ActionResult <NotificationRequest> > Dropbox()
{
if (!Request.Headers.TryGetValue("X-Dropbox-Signature", out var signatureHeader))
{
return(Unauthorized());
}
string body = await ResponseUtility.BodyStreamToStringAsync(Request.Body, (int)Request.ContentLength);
using var sha = new HMACSHA256(Encoding.UTF8.GetBytes(_config.GetValue <string>("DropboxSecret")));
var hashedBody = BitConverter.ToString(sha.ComputeHash(Encoding.UTF8.GetBytes(body))).Replace("-", string.Empty).ToLower();
string signature = signatureHeader.FirstOrDefault();
if (hashedBody != signature)
{
return(Unauthorized());
}
NotificationRequest data = JsonConvert.DeserializeObject <NotificationRequest>(body);
await _migService.DropboxWebhookMigrationAsync(data.list_folder.accounts);
return(Ok());
}