CreateFileEndpoint.ps1

$CreateFileEndpoint = New-UDEndpoint -Url "/file/" -Method "Post" -Endpoint {
    Param(
        $Authorization
        ,
        $FileName
        ,
        $Content
    )

    $secretBytes = [System.Convert]::FromBase64String(($Authorization -replace "Basic "))
    [string]$Secret = [System.Text.Encoding]::UTF8.GetString($secretBytes)

    $path = Join-Path -Path c: -ChildPath temp | Join-Path -ChildPath Api

    if ([string]::IsNullOrEmpty($Authorization))
    {
        throw "You shall not pass"
    }
        
    if ($Secret -eq 'foo:bar')
    {        
        $fullPath = Join-Path -Path $path -ChildPath $FileName
                
        Set-Content -Path $fullPath -Value $Content 
        
        $file = Get-ChildItem -Path $fullPath
        [pscustomobject]@{
            Name = $file.Name
            Size = $file.Length
            BaseName = $file.BaseName
            Extension = $file.Extension
        } | ConvertTo-Json
    }
    else
    {
        throw "You shall not pass"
    }
}