123 lines
3.7 KiB
PowerShell
123 lines
3.7 KiB
PowerShell
. "$PSScriptRoot/Config.ps1";
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. "$PSScriptRoot/../Types/OneShotTask.ps1";
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. "$PSScriptRoot/../../Windows/Scripts/PowerManagement.ps1";
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$null = New-Module {
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. "$PSScriptRoot/../Types/OneShotTask.ps1";
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$logName = "Application";
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$oneShotTrigger = 1337;
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$taskOption = "OneShotTask";
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# ToDo: Store "ProgramData/PortValhalla" path somewhere as const
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$errorPath = "$env:ProgramData/PortValhalla/error.txt";
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$taskSetter = {
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param([Nullable[OneShotTask]] $Task)
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Set-SetupOption $taskOption ([string]$Task);
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};
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function Start-Operation {
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param(
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[scriptblock] $Action
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)
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$Global:ErrorActionPreference = 'Inquire';
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$env:WSLENV = "CONFIG_MODULE/p";
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if ($env:CONFIG_MODULE) {
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$env:CONFIG_MODULE = Resolve-Path $env:CONFIG_MODULE;
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}
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New-Alias -Force "sudo" gsudo;
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& $Action;
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}
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<#
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.SYNOPSIS
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Gets the current OneShot task.
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#>
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function Get-OneShotTask {
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[OneShotTask](Get-SetupOption $taskOption);
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}
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<#
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.SYNOPSIS
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Registers a task for listening to OneShot invocations.
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#>
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function Enable-OneShotListener {
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$tempTask = "PortValhalla Temp";
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$action = New-ScheduledTaskAction -Execute "pwsh" -Argument (Get-StartupArguments);
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schtasks /Create /SC ONEVENT /EC $logName /MO "*[System[Provider[@Name='$logName'] and EventID=$($oneShotTrigger)]]" /TR cmd.exe /TN $tempTask;
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$trigger = (Get-ScheduledTask $tempTask).Triggers;
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$principal = New-ScheduledTaskPrincipal -UserId (Get-SetupUser) -RunLevel Highest;
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$task = New-ScheduledTask -Action $action -Principal $principal -Trigger $trigger;
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$null = Register-ScheduledTask -Force "PortValhalla OneShot" -InputObject $task;
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$null = Unregister-ScheduledTask -Confirm:$false $tempTask;
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}
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<#
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.SYNOPSIS
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Invokes a one-shot task.
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.PARAMETER Task
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The task to run.
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#>
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function Invoke-OneShot {
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param(
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[OneShotTask] $Task
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)
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$currentStage = Get-Stage;
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Set-Stage ([SetupStage]::OneShot);
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& $taskSetter $Task;
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$job = & {
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$identifier = "EventLog$oneShotTrigger";
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$log = [System.Diagnostics.EventLog]::new($logName);
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$null = Register-ObjectEvent -InputObject $log -EventName EntryWritten -Action {
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$entry = $event.SourceEventArgs.Entry;
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if ($entry.EventID -eq $oneShotTrigger) {
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$null = New-Event -SourceIdentifier $identifier;
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}
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};
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Start-Job {
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Wait-Event -SourceIdentifier $identifier;
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};
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};
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Write-EventLog -LogName $logName -Source $logName -EventId $oneShotTrigger -Message "Starting OneShot task ``$(Get-OneShotTask)``…";
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$null = Wait-Job $job;
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Set-Stage $currentStage;
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if (Test-Path $errorPath) {
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$errorMessage = Get-Content $errorPath;
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Remove-Item $errorPath;
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throw $errorMessage;
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}
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}
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# ToDo: Store Run-OneShot and Receive-OneShot somewhere else in Windows folder
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<#
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.SYNOPSIS
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Executes the specified action and notifies the OneShot task executor.
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#>
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function Start-OneShot {
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param(
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[scriptblock] $Action
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)
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try {
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Start-Operation @PSBoundParameters;
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}
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catch {
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Set-Content -Path $errorPath -Value $Error;
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}
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finally {
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Set-Stage ([SetupStage]::Idle);
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Write-EventLog -LogName $logName -Source $logName -EventId $oneShotTrigger -Message "The OneShot task ``$(Get-OneShotTask)`` finished.";
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}
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}
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};
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