Azure Storage SDK for .NET v12 stream / sas / zip sample

Program.cs

using Azure.Storage;
using Azure.Storage.Blobs;
using Azure.Storage.Blobs.Models;
using Azure.Storage.Blobs.Specialized;
using Azure.Storage.Sas;
using Cocona;
using System;
using System.IO;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp17
{
    class Program
    {
        static async Task Main(string[] args)
        {
            await CoconaApp.RunAsync<Program>(args);
        }

        public async Task Upload(string connectionString, string containerName, string blobName)
        {
            var storageAccount = new BlobServiceClient(connectionString);
            var container = storageAccount.GetBlobContainerClient(containerName);

            // GetBlockBlobClient and SetHttpHeadersAsync methods is defined in Azure.Storage.Blobs.Specialized
            var blockBlob = container.GetBlockBlobClient(blobName);

            using var stream = await blockBlob.OpenWriteAsync(overwrite: true);
            using var tw = new StreamWriter(stream);
            do
            {
                Console.Write("input data: ");
                var input = Console.ReadLine();
                if (string.IsNullOrEmpty(input)) break;

                // write something to stream...
                await tw.WriteLineAsync(input);

            } while (true);

            tw.Flush();
            tw.Close();

            await blockBlob.SetHttpHeadersAsync(new BlobHttpHeaders { ContentType = "text/plain" });
        }

        public async Task ZipUpload(string connectionString, string containerName, string blobName)
        {
            var storageAccount = new BlobServiceClient(connectionString);
            var container = storageAccount.GetBlobContainerClient(containerName);

            // GetBlockBlobClient and SetHttpHeadersAsync methods is defined in Azure.Storage.Blobs.Specialized
            var blockBlob = container.GetBlockBlobClient(blobName);

            using var stream = await blockBlob.OpenWriteAsync(overwrite: true);
            using var zipstream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(stream);

            zipstream.SetLevel(0); // 0 - store only to 9 - means best compression

            do
            {
                Console.Write("input filename: ");
                var filename = Console.ReadLine();
                if (string.IsNullOrEmpty(filename)) break;

                using var memory = new MemoryStream();
                Console.Write("\t input data: ");
                await memory.WriteAsync(Encoding.UTF8.GetBytes(Console.ReadLine()));

                // archive file
                zipstream.PutNextEntry(new ICSharpCode.SharpZipLib.Zip.ZipEntry(filename)
                {
                    Size = memory.Length
                });
                memory.Position = 0;
                memory.CopyTo(zipstream);
                zipstream.Flush();

            } while (true);

            await zipstream.FlushAsync();
            zipstream.Close();

            await blockBlob.SetHttpHeadersAsync(new BlobHttpHeaders { ContentType = "application/zip" });
        }

        public void GenerateSas(string connectionString, string account, string accountKey, string containerName, string blobName)
        {
            var storageAccount = new BlobServiceClient(connectionString);
            var container = storageAccount.GetBlobContainerClient(containerName);
            var blockBlob = container.GetBlobClient(blobName);

            // SAS for blob
            var sasBuilder = new BlobSasBuilder(BlobContainerSasPermissions.Read,
                DateTimeOffset.UtcNow.AddDays(1)
                )
            {
                BlobContainerName = containerName,
                BlobName = blobName
            };

            var sharedKeyCred = new StorageSharedKeyCredential(account, accountKey);
            var sasToken = sasBuilder.ToSasQueryParameters(sharedKeyCred).ToString();
 
            Console.WriteLine($"url: {blockBlob.Uri}");
            Console.WriteLine($"sasToken: {sasToken}");
        }
    }
}