NETGEAR Router DC112A reboot powershell script

netgear-router-reboot.ps1

#########################################################################
## NETGEAR Router DC112A reboot script
## Tested with Firmware: V1.0.0.18_1.0.60
## Mark 2020
#########################################################################

#-[Variables]------------------------------------------------------------

$user = 'admin'
$pass = 'admin'
$routerIP = '192.168.10.1'

#-[Initialisations]------------------------------------------------------

# Prepare URL
$baseUrl = 'http://' + $($routerIP)

# To browse router page to get form
$url1 = $($baseUrl)+'/ADV_home2.htm'

# Prepare auth header
$pair = "$($user):$($pass)"
$encodedCreds = [System.Convert]::ToBase64String([System.Text.Encoding]::ASCII.GetBytes($pair))
$basicAuthValue = "Basic $encodedCreds"
Headers = @{ Authorization = $basicAuthValue }

# Search for form url
$formsearch = '<form action="(?<postLink>.*)" method="post">'

# Reboot button
$bodyRestartPost = 'buttonSelect=2'

#-[Execution]------------------------------------------------------------

# Step 1 - First web call for auth
$x=Invoke-WebRequest -Uri $baseUrl -Headers $Headers

# Step 2 - Browse webpage for form
$x=Invoke-WebRequest -Uri $url1 -Headers $Headers

# Step 3 - Search for form link
$x.Content -match $formsearch
$url2 = $($baseUrl) + '/' + $($matches.postlink)

# Step 4 - Push reboot button
$x=Invoke-WebRequest -Uri $url2 -Headers $Headers -Method POST -Body $bodyRestartPost


#Ref:
# https://stackoverflow.com/a/27951845/2854578
# https://stackoverflow.com/a/37323588/2854578