Programatic WiFi Connectivity

WiFiConnector.scala

object WiFiConnector extends App {

  if (System.getProperty("os.name").contains("Mac"))
    scanMac()
  else
    scanWindows()

  def scanWindows() = {
    val builder = new ProcessBuilder(
      "cmd.exe", "/c", "netsh wlan show profile"
    )
    builder.redirectErrorStream(true)
    val process = builder.start()

    val read = scala.io.Source.fromInputStream(process.getInputStream).getLines().toSeq

    read foreach println

  }

  def scanMac() = {
    val sensorIp = "192.168.253.1"

    val probe = s"$sensorIp/sys"

    val networkPortsCommand = "networksetup -listallhardwareports"
    val readCommand = "/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport scan"
    val connectCommand = (ssid: String, pass: String, wifiDevice: String) => {
      println(s"connecting to $ssid with pass $pass")
      s"networksetup -setairportnetwork $wifiDevice $ssid $pass"
    }
    val rt = Runtime.getRuntime

    val networkPorts = rt.exec(networkPortsCommand)
    val wifiDevice = {
      scala.io.Source.fromInputStream(networkPorts.getInputStream).getLines()
        .filter(_.nonEmpty).toSeq
        .grouped(3)
        .toSeq
    }

    val deviceIdentifier = wifiDevice.flatMap {
      case elems => {
        if (elems.exists(_.contains("Wi-Fi"))) {
          val device = elems.filter(_.contains("Device"))
          if (device.headOption.nonEmpty)
            device.head.split(" ").toSeq.last
          else Seq.empty[String]
        }

        else Seq.empty[String]
      }
    }
    
    val readProc = rt.exec(readCommand)

    val read = scala.io.Source.fromInputStream(readProc.getInputStream).getLines().toSeq

    read foreach println

    val filtered = read filter (_.contains("your required ssid name"))

    val ssid = filtered.head.split(" ").toSeq.filter(_.nonEmpty).head

    println(s"ssid obtained is $ssid ")

    // turn off Wifi
    //rt.exec("networksetup -setairportpower en1 off")
    Thread.sleep(500)
    //rt.exec("networksetup -setairportpower en1 on")
    Thread.sleep(500)
    //val connectProc = rt.exec(connectCommand(ssid, "24681012", deviceIdentifier))

    Thread.sleep(10000000)
  }
}