## StopAD - Script for blocking advertisements, based on your defined hosts files
## For changing any parameters, please, use this link: https://stopad.cgood.ru/
##
## @github    <https://github.com/tarampampam/mikrotik-hosts-parser>
## @version   2.0.2
##
## Setup this Policy for script: [X] Read [X] Write [X] Policy [X] Test

:local hostScriptUrl "https://stopad.cgood.ru/script/source?format=routeros&version=2.0.2&sources_urls=https%3A%2F%2Fcdn.rawgit.com%2Ftarampampam%2Fstatic%2Fmaster%2Fhosts%2Fblock_shit.txt,http%3A%2F%2Fwww.crazyws.fr%2FWindowsSpyBlocker%2Fhosts%2Fwin7%2Fspy.txt,http%3A%2F%2Fadaway.org%2Fhosts.txt,http%3A%2F%2Fwww.malwaredomainlist.com%2Fhostslist%2Fhosts.txt,http%3A%2F%2Fpgl.yoyo.org%2Fadservers%2Fserverlist.php%3Fhostformat%3Dhosts%26showintro%3D0%26mimetype%3Dplaintext&excluded_hosts=localhost";
:local scriptName "stop_ad.script";
:local backupFileName "before_stopad";
:local logPrefix "[StopAD]";

do {
  /tool fetch check-certificate=no mode=https url=$hostScriptUrl dst-path=("./".$scriptName);
  :if ([:len [/file find name=$scriptName]] > 0) do={
    /system backup save name=$backupFileName;
    :delay 1s;
    :if ([:len [/file find name=($backupFileName.".backup")]] > 0) do={
      /ip dns static remove [/ip dns static find comment=ADBlock];
      /import file-name=$scriptName;
      /file remove $scriptName;
      :log info "$logPrefix AD block script imported, backup file (\"$backupFileName.backup\") created";
    } else={
      :log warning "$logPrefix Backup file not created, importing AD block script stopped";
    }
  } else={
    :log warning "$logPrefix AD block script not downloaded, script stopped";
  }
} on-error={
  :log warning "$logPrefix AD block script download FAILED";
};