BalihooBlipDotNet.S3Request.PostFile C# (CSharp) Method

        private static BlipResponse PostFile(string s3Bucket, string formData, string mimeType, byte[] compressedFile)
        {
            HttpResponseMessage response;
            dynamic data = JsonConvert.DeserializeObject(formData);

            using (var client = new HttpClient())
            {
                var url = $"https://s3.amazonaws.com/{s3Bucket}";
                var requestContent = new MultipartFormDataContent();
                var fileContent = new ByteArrayContent(compressedFile);
                fileContent.Headers.ContentType = MediaTypeHeaderValue.Parse(mimeType);
                
                // Special parsing required due to a hyphen in the key
                string contentMd5 = JObject.Parse(data.ToString())["content-md5"];

                requestContent.Add(new StringContent(data.acl.ToString()), "acl");
                requestContent.Add(new StringContent(data.bucket.ToString()), "bucket");
                requestContent.Add(new StringContent(data.key.ToString()), "key");
                requestContent.Add(new StringContent(contentMd5), "content-md5");
                requestContent.Add(new StringContent(data.policy.ToString()), "policy");
                requestContent.Add(new StringContent(data.signature.ToString()), "signature");
                requestContent.Add(new StringContent(data.AWSAccessKeyId.ToString()), "AWSAccessKeyId");
                requestContent.Add(new StringContent(mimeType), "content-type");
                requestContent.Add(fileContent, "file"); // The file must be added last
                
                response = client.PostAsync(url, requestContent).Result;
            }

            var statusCode = (int)response.StatusCode;

            // If the upload is not successful return the error message from S3 else return success response
            return statusCode != 204 ? new BlipResponse(statusCode, response.Content.ToString()) : new BlipResponse(statusCode, "");
        }