module.exports.azure_sas = function () {
  var accountName = '<storage account name>'
  var accountKey = '<account key like: xxxTAujFeBxdic/6a1SgEaoeByhqQeUpRdWaQ8Y7kRJ1rhwbXEoW8WAg036B4jkzTE9AYmtKnFu03dt6g1jJyA==>'
  var sharedKeyCredential = new StorageSharedKeyCredential(accountName, accountKey)

  var last_day_of_this_year = new Date(new Date().getFullYear(), 11, 31)

  var resource_types = new AccountSASResourceTypes()
  resource_types.container = true
  resource_types.object = true
  resource_types.service = true

  var permission = new AccountSASPermissions()
  permission.create = true
  permission.delete = true
  permission.list = true
  permission.write = true

  var sas_signature_val = {
    expiresOn: last_day_of_this_year,
    services: {
      blob: true
    },
    permissions: permission,
    resourceTypes: resource_types
  }

  var SASQueryParameters = generateAccountSASQueryParameters(sas_signature_val, sharedKeyCredential)
  var string = SASQueryParameters.toString() // sv=2019-07-07&se=2020-12-30T16%3A00%3A00Z&sp=wdlc&sig=v6x7gATh3B2D5h1H5pyEd6Q2ZXmnxd2tjZEBsF7XuWc%3D
  return string
}