cliHelper.core

0.1.1

Public/Network/Get-NetASInfo.ps1

function Get-NetASInfo {
  <#
    .SYNOPSIS
        Check HTTP header for server information.
    .PARAMETER IPAddress
        IP address to retrieve network AS information for.
    .EXAMPLE
        !netasinfo IPAddress
    #>
  [cmdletbinding()]
  param(
    [parameter(Mandatory)]
    [Alias('IP')]
    [string]$IPAddress
  )

  try {
    $httpResponse = Invoke-WebRequest -UseBasicParsing -Uri "https://stat.ripe.net/data/searchcomplete/data.json?resource=$($IPAddress)"
    if ($httpResponse) {
      $jsonResponse = $httpResponse | ConvertFrom-Json
      if ($null -ne $jsonResponse.data.categories) {
        if ($jsonResponse.data.categories.suggestions.count -gt 0) {
          foreach ($row in  $jsonResponse.data.categories.suggestions) {
            if ($row.value -like 'AS*') {
              $asCode = $row.value
            }
          }
        } else {
          $asCode = $jsonResponse.data.categories.suggestions.value
        }

        if ($asCode) {
          $asInfoResponse = Invoke-WebRequest -UseBasicParsing -Uri "https://stat.ripe.net/data/as-overview/data.json?resource=$($asCode)"
          $jsonAsInfo = $asInfoResponse | ConvertFrom-Json
          $response = "$asCode $($jsonAsInfo.data.holder)"
        } else {
          $errorMessage = 'Not Data Found'
        }
      } else {
        $errorMessage = 'Not Data Found'
      }
    }
  } catch [System.Net.WebException] {
    switch ($_.Exception.Response.StatusCode) {
      'BadRequest' {
        $errorMessage = 'Server Error'
      }
      'InternalServerError' {
        $errorMessage = 'Server Error 500'
      }
      default {
        $errorMessage = "Server Error: $($_.Exception)"
      }
    }
  } catch {
    Write-Debug $_.Exception
    $errorMessage = "Receive a general error: $($_.Exception)"
  } finally {
    if ($errorMessage) {
      Write-Error "$errorMessage`n:("
    }
    if ($response) {
      $response
    }
  }
}