Run Any Code from PowerShell with Piston

run.ps1

<#
 .Synopsis
 Run any code via the piston API
 
 .Description
 Pass in your code and it will be run on a remote machine via the piston API.
 See https://github.com/engineer-man/piston for more details
 
 .Parameter Language
 The name of the language:
 awk, bash, brainfuck, c, cpp, csharp, deno, erlang, elixir, emacs, elisp, go, haskell, java, jelly, julia, kotlin, lua, nasm, node, paradoc, perl, php, python2, python3, ruby, rust, swift, typescript
 
 .Parameter Code
 The code block to run. This can be any powershell code which returns a string to run.
 It can also just be the native code to run when used with the -Direct parameter (see examples)

 .Example
 ./run.ps1 node {"console.log(1+1)"}
 Run the code "console.log(1+1)" in node

 .Example
 ./run.ps1 node {console.log(1+1)} -Direct
 Run console.log in node directly

#>
[CmdletBinding()]param(
  [Parameter(Mandatory = $true)][String][ValidateSet("awk", "bash", "brainfuck", "c", "cpp", "csharp", "deno", "erlang", "elixir", "emacs", "elisp", "go", "haskell", "java", "jelly", "julia", "kotlin", "lua", "nasm", "node", "paradoc", "perl", "php", "python2", "python3", "ruby", "rust", "swift", "typescript")]
  $Language = "bash",
  [scriptblock]$Code,
  [string[]]$Arguments,
  [switch]$Direct,
  [string]$File
)
function main() {
  Write-Verbose "Language: $Language"
  if ($File) {
    $SourceCode = [string](Get-Content $File -Raw)
  } elseif ($Direct) {
    $SourceCode = $Code.ToString()
  } else {
    $SourceCode = & $Code
  }
  Write-Verbose "Code:`n$SourceCode"
  $req = [PSCustomObject]@{language = $Language; source = $SourceCode; args = @()};
  $Body = $req | ConvertTo-Json
  Write-Verbose $Body
  $hdr = @{"Content-Type" = "application/json"};
  $uri = "https://emkc.org/api/v1/piston/execute"
  #$Proxy = "http://localhost:8888"
  $result = Invoke-restMethod -Uri $uri -Body $Body -Headers $hdr -Method Post -Proxy $Proxy
  if ($result.ran) {
    Write-Verbose "Ran successfully:"
    if ($result.stderr) {
      $Host.UI.WriteErrorLine($result.stderr)
      $result.stdout
    } else {
      $result.output
    }
  } else {
    Write-Warning "Failed to run!"
    $Host.UI.WriteErrorLine($result.stderr)
    $result.stdout
  }
}
main