AustereoNowPlayingAzureFunction.ps1

# Setup the Azure Functions parameters
switch -RegEx ($REQ_QUERY_URL)
{
\S {$url = $REQ_QUERY_URL}
default {$url = "http://legacy.scahw.com.au/$REQ_PARAMS_URL.xspf"}
}

# Invoke the web request to the URL
$iwr = Invoke-RestMethod -Uri $url

# Build up the .Net web client
$HttpCompletionOption = 'ResponseContentRead'
Add-Type -AssemblyName System.Net.Http
$webClient = New-Object System.Net.Http.HttpClient
$webclient.DefaultRequestHeaders.Add('Icy-MetaData', '1')

# Get the Stream URL
$null = $iwr.InnerXml -match '<location>(?<location>.*)<\/location>'
$location = $matches.location
# Fire up the stream
$response = $webClient.GetAsync($location,$HttpCompletionOption)
$null = $webclient.DefaultRequestHeaders.Remove('Icy-MetaData')

# Pause until the stream title actually fires up
Start-Sleep -Seconds 2

# Grab the song
$iwr = Invoke-RestMethod -Uri $url    
$null = $iwr.InnerXml -match '<title>(?<song>.*)<\/title>'

$song = ($matches).song | ConvertTo-Json

# Kill the stream
$webclient.Dispose()

Out-File -Encoding Ascii -FilePath $res -inputObject $song