TwentyTwenty.Storage.Amazon.AmazonStorageProvider.GetBlobSasUrl C# (CSharp) Method

        public string GetBlobSasUrl(string containerName, string blobName, DateTimeOffset expiry, bool isDownload = false,
            string fileName = null, string contentType = null, BlobUrlAccess access = BlobUrlAccess.Read)
        {
            var headers = new ResponseHeaderOverrides();

            if (isDownload)
            {
                headers.ContentDisposition = "attachment;";
            }

            if (!string.IsNullOrEmpty(fileName))
            {
                headers.ContentDisposition += "filename=\"" + fileName + "\"";
            }

            if (!string.IsNullOrEmpty(contentType))
            {
                headers.ContentType = contentType;
            }

            var urlRequest = new GetPreSignedUrlRequest()
            {
                BucketName = _bucket,
                Key = GenerateKeyName(containerName, blobName),
                Expires = expiry.UtcDateTime,
                ResponseHeaderOverrides = headers,
                Verb = access == BlobUrlAccess.Read ? HttpVerb.GET : HttpVerb.PUT
            };

            try
            {
                return _s3Client.GetPreSignedURL(urlRequest);
            }
            catch (AmazonS3Exception asex)
            {
                throw asex.ToStorageException();
            }
        }