SCCM-WakeRoom.ps1

# Wake Room
# Leverage SCCM to wake any room
# Robin Universe [D]
# 04 . 29 . 25

param(
    [string]$SiteCode   = "",
    [string]$FQDN       = ""
)

# Some basic user verification stuff
$cred = Get-Credential -Credential "$(whoami)" # We will probably not need this bit, but let's pretend it's a bit of security theatre
$isAdmin = ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
if (!$isAdmin) { gui-warn "You are not an administrator. Go away."; return } 

# Let's start the party by trying to connect to the CMSite straight away.. 
$breacrumb = pwd

function Connect-CMSite {
    Set-Location "C:\Program Files (x86)\Microsoft Configuration Manager\AdminConsole\bin"
    Import-Module .\ConfigurationManager.psd1
    if (!(Test-Path "$SiteCode:\")){ New-PSDrive -Name "$SiteCode" -PSProvider CMSite -Root $FQDN }
    Set-Location "$SiteCode:\"
}

# If the SCCM client is installed here, we're probably on a tech machine. Proceed locally...
$OnTechMachine = Test-Path "C:\Program Files (x86)\Microsoft Configuration Manager\AdminConsole\bin"
if ($OnTechMachine) { 
    Connect-CMSite 
    $target = RoomPrompt  
    Invoke-WakeUp $target  
} else { 
    $target = RoomPrompt
    $techcomputer = gui-input "We need to PSRemote into a machine with SCCM installed for this to work. Enter Tech Computer name"
    Invoke-RemoteWakup $target $techcomputer
}

# A few helper functions to make the basic GUI stuff a bit more tidy, we have to do this AFTER connecting to the CMSite.
Add-Type -AssemblyName Microsoft.VisualBasic; Add-Type -AssemblyName System.Windows.Forms
function gui-warn([string]$message){ $resp = [System.Windows.Forms.MessageBox]::Show($message, (pwd), [System.Windows.Forms.MessageBoxButtons]::OK, [System.Windows.Forms.MessageBoxIcon]::Warning); return $resp}
function gui-input([string]$message){ $name = [Microsoft.VisualBasic.Interaction]::InputBox( $message, (pwd) ); return $name }

# Ask user to input a room to wake. basically acts as a wildcard, so try not to let them enter something goofy...
function RoomPrompt {
    $target = gui-input "What room should I wake up? Leave blank to just attempt to wake the room you're in"
    if ($target = ""          ) { gui-warn "No target defined. this would break things. Bailing..." ;                                                    return }
    if ($target.Length -lt 4  ) { gui-warn "That's a little short for a room name (ie G208)... Looks fishy. Please don't wake up the entire floor." ;    return }
    if ($target -contains "*" ) { gui-warn "Please DONT use wildcards. We're already gonna be doing that at the end of your query" ;                     return }
    return $target
}

function Invoke-Wakeup([string]$target) {
    $Computers = (Get-CMDevice -Name "$target*").Name
    $confirm = gui-warn "Computers to wake:`n`n$Computers"

    if ($confirm -eq "OK") {
        foreach ($com in $Computers){ # danger zone
            Invoke-CMClientAction -ActionType ClientNotificationWakeUpClientNow -DeviceName $com
            gui-warn "You have cast $($Computers.legth) darts of magic missile for 1d4+1 Force damage each"
        }
    }
}

function Invoke-RemoteWakup([string]$target, [string]$techcomputer){
    if ($name -eq "") {gui-warn "No input detected. bailing..."; return} 
    # We don't have the luxury of piecing this out when run in a remote session, so we kinda just have to blind fire and hope for the best
    try { 
        Invoke-Command -Credential $cred -ComputerName $name -ScriptBlock { 
            Set-Location "C:\Program Files (x86)\Microsoft Configuration Manager\AdminConsole\bin"
            Import-Module .\ConfigurationManager.psd1
            if (!(Test-Path "$SiteCode:\")){ New-PSDrive -Name "$SiteCode" -PSProvider CMSite -Root $FQDN }
            Set-Location "$SiteCode:\"
            $Computers = (Get-CMDevice -Name "$target*").Name
            foreach ($com in $Computers){ # danger zone
                Invoke-CMClientAction -ActionType ClientNotificationWakeUpClientNow -DeviceName $com
            } 
        }
    } catch {
        gui-warn "Failed to connect to your computer: $_"
    }
}
    
Set-Location $breacrumb