public/Get-AppVentiXLicence.ps1

<#
    .SYNOPSIS
        Retrieves the details of the AppVentiX license.
 
    .DESCRIPTION
        The Get-AppVentiXLicence function retrieves the details of the AppVentiX license. It can retrieve the license details from a specified license file or from the default configuration share.
 
    .PARAMETER ConfigShare
        Specifies the path to the AppVentiX configuration share.
        You can omit this parameter if Set-AppVentiXConfigShare has been called.
 
    .EXAMPLE
        Get-AppVentiXLicence -ConfigShare "\\server\share"
        Retrieves the license details from the specified configuration share.
 
    .EXAMPLE
        Get-AppVentiXLicence -Filename "C:\Path\To\AppVentiX.lic"
        Retrieves the license details from the specified license file.
 
    .NOTES
        Function : Get-AppVentiXLicence
        Author : John Billekens
        Copyright: Copyright (c) AppVentiX
        Version : 1.0
#>

function Get-AppVentiXLicence {
    [CmdletBinding(DefaultParameterSetName = 'ConfigShare')]
    param (
        [Alias('File', 'License')]
        [Parameter(Mandatory, ParameterSetName = 'License')]
        [ValidateScript({
                try {
                    if ((Test-Path -Path "$_") -and [String]$_ -like "*AppVentiX.lic") {
                        $true
                    } else {
                        Throw [System.Management.Automation.ItemNotFoundException] "The parameter must be a valid AppVentiX.lic file!"
                    }
                } catch {
                    Throw [System.Management.Automation.ItemNotFoundException] "The parameter must be a valid AppVentiX.lic file!"
                }

            })]
        [System.IO.FileInfo]$Filename,

        [Parameter(DontShow, ParameterSetName = 'ConfigShare')]
        [String]$ConfigShare = $Script:AppVentix.ConfigShare
    )
    if ($PsCmdlet.ParameterSetName -eq 'ConfigShare') {
        if (Test-Path -Path $ConfigShare) {
            [System.IO.FileInfo]$Filename = Join-Path -Path $ConfigShare -ChildPath "AppVentiX.lic"
            if ([String]::IsNullOrEmpty($ConfigShare)) {
                Write-Warning "Config share not defined!"
                return $null
            } elseif (-Not (Test-Path -Path $Filename)) {
                Write-Warning "Could not read the license file 'AppVentiX.lic'!"
                return $null
            }
        } elseif ([String]::IsNullOrEmpty($ConfigShare)) {
            Write-Warning "Config share not defined!"
            return $null
        } else {
            Write-Warning "Could not access the config share `"$ConfigShare`"!"
            return $null
        }
    }
    try {
        $licenseDetails = Get-Content -Path $Filename | ConvertFrom-Json -ErrorAction SilentlyContinue | Select-Object -Property LicensedTo, Email, LicensedOn, LicensedUntil, Type, LicensedMachines, OrderNo
        $licenseDetails.LicensedUntil = [datetime]::Parse($licenseDetails.LicensedUntil)
        $licenseDetails.LicensedOn = [datetime]::Parse($licenseDetails.LicensedOn)
        if ($licenseDetails.LicensedTo -like 'Trial') {
            Write-Warning "AppVentiX is running in trial mode. The trial will expire on $($licenseDetails.LicensedUntil.ToString("M/d/yyyy"))."
        }
    } catch {
        Throw "Could not read the license file 'AppVentiX.lic'!"
    }
    return $licenseDetails
}

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