Merge-Ovpn.ps1

param(
	[Parameter(Mandatory = $true, Position = 0)]
	[string]$OvpnFile,

	[Parameter(Mandatory = $true, Position = 1)]
	[string]$CaFile,

	[Parameter(Mandatory = $true, Position = 2)]
	[string]$CertFile,

	[Parameter(Mandatory = $true, Position = 3)]
	[string]$KeyFile,

	[Parameter(Position = 4)]
	[string]$OutputFile
)

if (-not $OutputFile) {
	$directory = Split-Path $OvpnFile -Parent
	$basename = [System.IO.Path]::GetFileNameWithoutExtension($OvpnFile)
	$OutputFile = Join-Path $directory "${basename}_unified.ovpn"
}

# OVPN-Datei lesen und externe Zertifikatsreferenzen entfernen
$ovpnContent = Get-Content $OvpnFile | Where-Object {
	$_ -notmatch '^ca\s+' -and
	$_ -notmatch '^cert\s+' -and
	$_ -notmatch '^key\s+'
}

# Zertifikate und Schlüssel laden
$caContent = Get-Content $CaFile
$certContent = Get-Content $CertFile
$keyContent = Get-Content $KeyFile

# Neue OVPN-Datei schreiben
$ovpnContent | Set-Content $OutputFile

Add-Content $OutputFile "`n<ca>"
$caContent | Add-Content $OutputFile
Add-Content $OutputFile "</ca>`n<cert>"
$certContent | Add-Content $OutputFile
Add-Content $OutputFile "</cert>`n<key>"
$keyContent | Add-Content $OutputFile
Add-Content $OutputFile "</key>"

Write-Host "Unified .ovpn file generated:"
Write-Host $OutputFile