functions/Get-DryADRandomString.ps1

<#
    This is an AD Config module for use with DryDeploy, or by itself.
    Copyright (C) 2021 Bjørn Henrik Formo (bjornhenrikformo@gmail.com)
    LICENSE: https://raw.githubusercontent.com/bjoernf73/dry.module.ad/main/LICENSE
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#>

function Get-DryADRandomString {
    [CmdletBinding()]
    param (
        [Parameter()]
        [int]$Length = 20,

        [Parameter()]
        [int]$NonAlphabetics = 5,

        [Parameter(HelpMessage = "Returns Secure String instead of plain text")]
        [Switch]$Secure
    )
    try {
        Add-Type -AssemblyName System.Web -ErrorAction Stop
        switch ($Secure) {
            $true {
                return [SecureString](ConvertTo-SecureString $([System.Web.Security.Membership]::GeneratePassword($Length, $NonAlphabetics)) -AsPlainText -Force)
            }
            default {
                return [System.Web.Security.Membership]::GeneratePassword($Length, $NonAlphabetics)
            }
        }
    }
    catch {
        $PSCmdlet.ThrowTerminatingError($_)
    }
}