SSL Creation using NetSH

sslassignment.ps1

## --------------------------------------------------------------------------------------
## Input
## --------------------------------------------------------------------------------------

$webSiteName = $OctopusParameters['WebSiteName']
$bindingPort = $OctopusParameters["BindingPort"]
$bindingIpAddress = $OctopusParameters["BindingIpAddress"]
$bindingHost = $OctopusParameters["BindingHost"]

$bindingSslThumbprint = $OctopusParameters["BindingSslThumbprint"]
$bindingSslThumbprint = $bindingSslThumbprint.Replace("?", "")

$webRoot = $OctopusParameters["WebRoot"]
$applicationId = $OctopusParameters["ApplicationId"]

## --------------------------------------------------------------------------------------
## Helpers
## --------------------------------------------------------------------------------------
# Helper for validating input parameters
function Validate-Parameter($foo, [string[]]$validInput, $parameterName) {
    Write-Host "${parameterName}: ${foo}"
    if (! $foo) {
        throw "$parameterName cannot be empty, please specify a value"
    }
    
    if ($validInput) {
        if (! $validInput -contains $input) {
            throw "'$input' is not a valid input for '$parameterName'"
        }
    }
    
}

## --------------------------------------------------------------------------------------
## Validate Input
## --------------------------------------------------------------------------------------

Write-Output "Validating paramters..."
Validate-Parameter $webSiteName -parameterName "Web Site Name"
Validate-Parameter $bindingPort -parameterName "Port"
Validate-Parameter $bindingSslThumbprint -parameterName "SSL Thumbprint"
Validate-Parameter $applicationId -parameterName "Application ID (From AssemblyInfo.cs in the web application's project.)"

## --------------------------------------------------------------------------------------
## Configuration
## --------------------------------------------------------------------------------------
$bindingInformation = "${bindingIpAddress}:${bindingPort}:${bindingHost}"

Write-Host ("Attempting to create SSL Binding")

Add-PSSnapin WebAdministration -ErrorAction SilentlyContinue
Import-Module WebAdministration -ErrorAction SilentlyContinue

$sslbind = "IIS:\SslBindings\!$bindingPort!" + "" + $bindingHost
Write-Host ("Binding " + $sslbind) 
$exists = Get-Item $sslbind -ErrorAction SilentlyContinue
if (!$exists) {
    Write-Host("Create as this doesn't exists.")
    netsh --% http add sslcert hostnameport=${bindingHost}:${bindingPort} certhash=${bindingSslThumbprint} appid=${applicationId} certstorename=My
    Write-Host ("SSL enabled")
} else {
    Write-Host("Skip, this already exists.")
}