Azure Blob Storage SAS request

program.cs

using Azure.Storage.Blobs;
using Azure.Storage.Sas;
using System;

const string connectionString = "YOUR_CONNECTION_STRING_HERE";
const string containerName = "images";
const string filename = "filename.gif";

BlobServiceClient client = new BlobServiceClient(connectionString);

var containerClient = client.GetBlobContainerClient(containerName);
BlobClient blobClient = containerClient.GetBlobClient(filename);

var blobSasBuilder = new BlobSasBuilder
{
    ExpiresOn = DateTime.UtcNow.AddMinutes(5),
    BlobContainerName = containerName,
    BlobName = filename,
};
blobSasBuilder.SetPermissions(BlobSasPermissions.Write | BlobSasPermissions.Create);

var sas = blobClient.GenerateSasUri(blobSasBuilder);
Console.WriteLine(sas);