Servers/SwitchRegexServer.ps1
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<# .SYNOPSIS Switch -RegEx Server .DESCRIPTION A simple server implemented in a single switch -regex. Any match can provide results. .EXAMPLE ./SwitchRegexServer.ps1 #> param( # The rootUrl of the server. By default, a random loopback address. [string]$RootUrl= "http://127.0.0.1:$(Get-Random -Minimum 4200 -Maximum 42000)/", [Collections.IDictionary] $Dictionary = [Ordered]@{ "/" = @{ContentType='text/html';Content='<h1>Hello World</h1>'} } ) $httpListener = [Net.HttpListener]::new() $httpListener.Prefixes.Add($RootUrl) Write-Warning "Listening on $RootUrl $($httpListener.Start())" $io = [Ordered]@{ # Pack our job input into an IO dictionary HttpListener = $httpListener ; } # Our server is a thread job Start-ThreadJob -ScriptBlock {param([Collections.IDictionary]$io) $psvariable = $ExecutionContext.SessionState.PSVariable foreach ($key in $io.Keys) { # First, let's unpack. if ($io[$key] -is [PSVariable]) { $psvariable.set($io[$key]) } else { $psvariable.set($key, $io[$key]) } } # Listen for the next request :nextRequest while ($httpListener.IsListening) { $getContext = $httpListener.GetContextAsync() while (-not $getContext.Wait(17)) { } $time = [DateTime]::Now $request, $reply = $getContext.Result.Request, $getContext.Result.Response $result = $null $result = switch -regex ($request.Url.LocalPath) { '/' { "<h1>Home Sweet Home</h1>" } '/Hello/?' { "<h1>Hello World</h1>" } '/(?<d1>[\d\.]+)x(?<d2>[\d\.]+)/?' { ($matches.d1 -as [double]) * ($matches.d2 -as [double]) } default { $timeToRespond = [DateTime]::Now - $time "$($request.HttpMethod) $($request.Url) $($timeToRespond)" } } if ($result) { $reply.Close($OutputEncoding.GetBytes("$result"), $false) } else { $reply.StatusCode = 404 $reply.Close() } } } -ThrottleLimit 100 -ArgumentList $IO -Name "$RootUrl" | # Output our job, Add-Member -NotePropertyMembers @{ # but attach a few properties first: HttpListener=$httpListener # * The listener (so we can stop it) IO=$IO # * The IO (so we can change it) Url="$RootUrl" # The URL (so we can easily access it). } -Force -PassThru # Pass all of that thru and return it to you. |