Public/Update-cChocoExBootstrap.ps1
|
<#
.SYNOPSIS Updates cChocoEX bootstrap file .DESCRIPTION Compares the provided remote Uri filehash to the local boostrap.ps1 at the well known location of $env:ProgramData\cChocoEx\bootstrap.ps1. .EXAMPLE PS C:\> Update-cChocoExBootstrap -Uri https://contoso.com/bootstrap.ps1 .INPUTS Uri: URL of the bootstrap that should be present on the local machine. .OUTPUTS PSCustomObject #> function Update-cChocoExBootstrap { param ( # URI of the bootstrap powershell script [Parameter(Mandatory = $true)] [string] $Uri ) #Ensure Running as Administrator if (-Not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) { Write-Warning "This function requires elevated access, please reopen PowerShell as an Administrator" Break } try { $wc = [System.Net.WebClient]::new() $FileHash = (Get-FileHash -Path "$env:ProgramData\cChocoEx\bootstrap.ps1" -ErrorAction SilentlyContinue).Hash $RemoteHash = (Get-FileHash -InputStream ($wc.OpenRead($Uri)) -ErrorAction SilentlyContinue).Hash } catch { $Updated = $false $ErrorMessage = $_.Exception.Message } if ($FileHash -ne $RemoteHash) { try { Invoke-WebRequest -UseBasicParsing -Uri $Uri -OutFile "$env:ProgramData\cChocoEx\bootstrap.ps1" $Updated = $true } catch { $Updated = $false $ErrorMessage = $_.Exception.Message } } [PSCustomObject]@{ Path = "$env:ProgramData\cChocoEx\bootstrap.ps1" Uri = $Uri FileHash = $Filehash RemoteHash = $RemoteHash Updated = $Updated Error = $ErrorMessage } } |