Public/Test-CCMIsClientOnInternet.ps1

function Test-CCMIsClientOnInternet {
    <#
        .SYNOPSIS
            Return the status of the MEMCM client being on the internet (CMG/IBCM)
        .DESCRIPTION
            This function will invoke the IsClientOnInternet of the MEMCM Client.
             This is done using the Microsoft.SMS.Client COM Object.
        .PARAMETER CimSession
            Provides CimSessions to return IsClientOnInternet setting info from
        .PARAMETER ComputerName
            Provides computer names to return IsClientOnInternet setting info from
        .EXAMPLE
            C:\PS> Test-CCMIsClientOnInternet
                Returns the status of the local computer having IsClientOnInternet set
        .EXAMPLE
            C:\PS> Test-CCMIsClientOnInternet -ComputerName 'Workstation1234','Workstation4321'
                Returns the status of 'Workstation1234','Workstation4321' having IsIsClientOnInternet set
        .NOTES
            FileName: Test-CCMIsClientOnInternet.ps1
            Author: Cody Mathis
            Contact: @CodyMathis123
            Created: 2020-01-29
            Updated: 2020-01-29
    #>

    [CmdletBinding(DefaultParameterSetName = 'ComputerName')]
    param(
        [Parameter(Mandatory = $false, ValueFromPipelineByPropertyName = $true, ParameterSetName = 'CimSession')]
        [Microsoft.Management.Infrastructure.CimSession[]]$CimSession,
        [Parameter(Mandatory = $false, ValueFromPipelineByPropertyName = $true, ParameterSetName = 'ComputerName')]
        [Alias('Connection', 'PSComputerName', 'PSConnectionName', 'IPAddress', 'ServerName', 'HostName', 'DNSHostName')]
        [string[]]$ComputerName = $env:ComputerName
    )
    begin {
        $connectionSplat = @{ }
        $invokeCIMPowerShellSplat = @{
            FunctionsToLoad = 'Test-CCMIsClientOnInternet'
        }
    }
    process {
        foreach ($Connection in (Get-Variable -Name $PSCmdlet.ParameterSetName -ValueOnly)) {
            $Computer = switch ($PSCmdlet.ParameterSetName) {
                'ComputerName' {
                    Write-Output -InputObject $Connection
                    switch ($Connection -eq $env:ComputerName) {
                        $false {
                            if ($ExistingCimSession = Get-CimSession -ComputerName $Connection -ErrorAction Ignore) {
                                Write-Verbose "Active CimSession found for $Connection - Passing CimSession to CIM cmdlets"
                                $connectionSplat.Remove('ComputerName')
                                $connectionSplat['CimSession'] = $ExistingCimSession
                            }
                            else {
                                Write-Verbose "No active CimSession found for $Connection - falling back to -ComputerName parameter for CIM cmdlets"
                                $connectionSplat.Remove('CimSession')
                                $connectionSplat['ComputerName'] = $Connection
                            }
                        }
                        $true {
                            $connectionSplat.Remove('CimSession')
                            $connectionSplat.Remove('ComputerName')
                            Write-Verbose 'Local computer is being queried - skipping computername, and cimsession parameter'
                        }
                    }
                }
                'CimSession' {
                    Write-Verbose "Active CimSession found for $Connection - Passing CimSession to CIM cmdlets"
                    Write-Output -InputObject $Connection.ComputerName
                    $connectionSplat.Remove('ComputerName')
                    $connectionSplat['CimSession'] = $Connection
                }
            }
            $Result = [System.Collections.Specialized.OrderedDictionary]::new()
            $Result['ComputerName'] = $Computer

            try {
                switch ($Computer -eq $env:ComputerName) {
                    $true {
                        $Client = New-Object -ComObject Microsoft.SMS.Client
                        $Result['IsClientOnInternet'] = [bool]$Client.IsClientOnInternet()
                        [pscustomobject]$Result
                    }
                    $false {
                        $ScriptBlock = 'Test-CCMIsClientOnInternet'
                        $invokeCIMPowerShellSplat['ScriptBlock'] = [scriptblock]::Create($ScriptBlock)
                        Invoke-CIMPowerShell @invokeCIMPowerShellSplat @connectionSplat
                    }
                }
            }
            catch {
                Write-Error "Failure to determine if the MEMCM client is set to always be on the internet for $Computer - $($_.Exception.Message)"
            }
        }
    }
}