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<# | |
.Synopsis | |
Registers a HTTP prefix and listens for a HttpRequest | |
.DESCRIPTION | |
Simple PowerShell HTTP Server implementation to respond to a single HTTP request | |
.EXAMPLE | |
Get-HttpRequest -UriPrefix "http://+:80/TestUri/" -ResponseData (Get-Content C:\inetpub\wwwroot\index.html) | |
.EXAMPLE | |
Get-HttpRequest -UriPrefix "http://127.0.0.1/" -ResponseData "It Works...!" -ShowRequest | |
#> | |
function Get-HttpRequest | |
{ | |
[CmdletBinding()] | |
param ( | |
[Parameter(Mandatory)] | |
[string] | |
$UriPrefix, | |
[Parameter(ValueFromPipeline)] | |
[string[]] | |
$ResponseData, | |
[System.Text.Encoding] | |
$Encoding = [System.Text.Encoding]::ASCII | |
) | |
begin{ | |
Write-Verbose "Creating HttpListener" | |
$Listener = New-Object System.Net.HttpListener | |
try{ | |
Write-Verbose "Registering prefix $UriPrefix" | |
$Listener.Prefixes.Add($UriPrefix) | |
} | |
catch{ | |
Write-Error -Exception $_.Exception -Message "UriPrefix $UriPrefix could not be registered" | |
return $null | |
} | |
Write-Verbose "Prefix registered, starting listener" | |
$Listener.Start() | |
# Wait for a connection | |
$Context = $Listener.GetContext() | |
$Request = $Context.Request | |
$Response = $Context.Response | |
} | |
process{ | |
$Body += $ResponseData | |
} | |
end{ | |
Write-Verbose "$($Request.Headers.Count) Request Headers:" | |
$Request.Headers.AllKeys |% { | |
Write-Verbose "$_`: $($Request.Headers[$_])" | |
} | |
$RequestStrings = @() | |
# If there is no input - don't bother with it | |
if($Request.InputStream.Length -gt 0) | |
{ | |
Write-Verbose "" | |
$InStream = $Request.InputStream | |
$Reader = New-Object System.IO.StreamReader -ArgumentList $InStream | |
do | |
{ | |
$RequestStrings += $Reader.ReadLine() | |
} while (-not $Reader.EndOfStream) | |
Write-Verbose "Request Body" | |
Write-Verbose $RequestStrings | |
} | |
else | |
{ | |
Write-Verbose "No Request Body" | |
} | |
# Prepare and encode our response body | |
$ResponseBody = $Body -join "`n" | |
$ResponseBuffer = $Encoding.GetBytes($ResponseBody) | |
Write-Verbose "Content-Length: $($ResponseBuffer.Length)" | |
$Response.ContentLength64 = $ResponseBuffer.Length | |
$OutStream = $Response.OutputStream | |
try{ | |
# Start writing the Response back | |
Write-Verbose "Writing Response buffer to output stream" | |
$OutStream.Write($ResponseBuffer,0,$ResponseBuffer.Length) | |
} | |
catch{ | |
Write-Error $_ | |
} | |
finally{ | |
Write-Verbose "Cleaning up" | |
$OutStream.Close() | |
$Listener.Stop() | |
} | |
} | |
} |
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