internal/functions/Get-DracoonServerRoot.ps1

function Get-DracoonServerRoot {
<#
.SYNOPSIS
Cleans a given URL to be used as a server-root.
 
.DESCRIPTION
Cleans a given URL to be used as a server-root.
 
.PARAMETER Url
A FQDN/URL or the server
 
.EXAMPLE
Get-DracoonServerRoot "my.server.de"
Get-DracoonServerRoot "my.server.de/"
Get-DracoonServerRoot "http://my.server.de"
Get-DracoonServerRoot "http://my.server.de/"
 
All versions return "https://my.server.de"
 
.NOTES
General notes
#>

    param (
        [parameter(mandatory = $true, Position=0)]
        [string]$Url
    )
    Write-PSFMessage "Getting Dracoon Server-Root for $Url"
    # Strip leading /
    $serverRoot = $Url.Trim("/")
    # Strip Prefix protocoll
    $serverRoot = $serverRoot -replace "^.*:\/\/"
    $serverRoot="https://$serverRoot"
    Write-PSFMessage "Result: $serverRoot"
    $serverRoot
}