automatically update pdnsd.adblock

uhosts.scala

#!/usr/bin/env scala

import scala.io.Source
import java.io.FileWriter
import java.util.Calendar
import scala.util.matching.Regex

val resources = List(
  Resource("http://someonewhocares.org/hosts/hosts"),
  Resource(
    "http://pgl.yoyo.org/as/serverlist.php?hostformat=hosts&showintro=0"
    + "&startdate%5Bday%5D=&startdate%5Bmonth%5D=&startdate%5Byear%5D=&mimetype=plaintext"
  ),
  Resource("http://winhelp2002.mvps.org/hosts.txt")
)

val whitelist = List(
  "local",
  "localhost"
) map (Host(_))

val pdnsd = HostFile("/etc/pdnsd.adblock", """neg\{name=(.*);types=domain;\}""".r)

case class Resource(url: String, ipReplacement: String = "127.0.0.1") {
  def fetch: Set[Host] = {
    val potLines = Source.fromURL(url).getLines filter (_ startsWith ipReplacement)
    val rawHosts = potLines map (_.drop(ipReplacement.length).trim)
    val hosts = rawHosts map (_ takeWhile (!_.isWhitespace)) map (Host(_))
    hosts.toSet
  }
}

case class HostFile(loc: String, extractor: Regex) {
  def fetch: Set[Host] = {
    val rawLines = Source.fromFile(loc).getLines
    val rawLinesWithoutComments = rawLines filter (_(0) != '#')
    val extractions = rawLinesWithoutComments map (_ match {
      case extractor(host) => Some(Host(host))
      case _ => None
    })
    extractions.flatten.toSet
  }
}

case class Host(name: String) {
  def pdnsd: String = s"neg{name=$name;types=domain;}"
}

val resourceFetchings = resources.map(_.fetch)
val resourceHosts = resourceFetchings.foldLeft(Set[Host]())(_ ++ _)
val pdnsdHosts = pdnsd.fetch

val newHosts = resourceHosts -- pdnsdHosts -- whitelist

val header = s"#${newHosts.size} were added on ${Calendar.getInstance.getTime}\n"
println(header)

if (newHosts.size > 0) {
  val fw = new FileWriter(pdnsd.loc, true)
  try {
    fw.write(header)
    fw.write(newHosts.map(_.pdnsd).mkString("\n"))
    fw.write("\n")
  } finally {
    fw.close()
  }
}

Hi :)
Thanks for this, i'm using it since any years and it has worked very good!
After the last days it stopped working :( Always throwing java.nio.charset.MalformedInputException: Input length = 1 exception :/
Is there any update for it available?
Thank you :)