public async Task <AmazonToken> UploadFile(Stream file)
{
// get upload token
var amazonFile = await Post <AmazonToken>("/v2/file", new ByteArrayContent(new byte[] { }));
// create payload
var payload = new MultipartContent("form-data");
payload.AddFormContent("key", amazonFile.Request.Fields.Key);
payload.AddFormContent("x-amz-algorithm", amazonFile.Request.Fields.AmazonAlgorithm);
payload.AddFormContent("x-amz-credential", amazonFile.Request.Fields.AmazonCredential);
payload.AddFormContent("x-amz-date", amazonFile.Request.Fields.AmazonDate);
payload.AddFormContent("policy", amazonFile.Request.Fields.Policy);
payload.AddFormContent("x-amz-signature", amazonFile.Request.Fields.AmazonSignature);
payload.AddStreamContent("file", amazonFile.FileId, file, "application/octet-stream");
// upload to S3
var response = await new HttpClient().PostAsync(AMAZON_UPLOAD_URL, payload);
if (!response.IsSuccessStatusCode)
{
throw new Exception("Error while upload to Amazon S3");
}
return(amazonFile);
}
