Auto anime download with aria2c and php from horriblesubs.info

anime_auto_download.php

<?php

$keyword = 'one piece';
$keyword = 'fairy tail';

function subBetweenStrings($string, $begin, $end) {
  if($begin==='')
    return substr( $string, 0, strpos($string,$end) );
  if($end==='')
    return substr($string, strpos($string, $begin)+strlen($begin));

  $string = ' ' . $string;
  $ini = strpos($string,$begin);
  if ($ini == 0) return '';
  $ini += strlen($begin);
  $len = strpos($string,$end,$ini) - $ini;
  return substr($string,$ini,$len);
}


if (!is_dir('log')) {
  mkdir('log');
}

$time =  time()*1000;

$keyword = str_replace(' ', '%20', $keyword);

$url = "http://horriblesubs.info/lib/search.php?value=$keyword&_=$time";

$html = file_get_contents($url);

$lines = explode("<td", $html);

$results = [];
$currentEpisode = '';
foreach ($lines as $line) {
  if (strpos($line, 'class="dl-label"')) {
    $currentEpisode = str_replace(' class="dl-label"><i>', '', str_replace('</i></td>', '', $line));
  }
  if (strpos($line, 'class="dl-type hs-magnet-link"')) {
    $episode = subBetweenStrings($currentEpisode, ' - ', ' [');
    if (is_numeric($episode) && intval($episode)>0) { // filter only weekly ones
      $link = explode('"', $line)[7];
      $hash = explode('&', $link)[0];
      $hash = explode(':', $hash);
      $hash = end($hash);
      $results[$currentEpisode]['name']       = $currentEpisode;
      $results[$currentEpisode]['episode']    = $episode;
      $results[$currentEpisode]['magnetHash'] = $hash;
      $results[$currentEpisode]['magnetLink'] = $link;
    }

  }
}

foreach ($results as $name => $value) {
  if (strpos($name, '[720p]') === false) { // only 720p that we want
    unset($results[$name]);
  }
}

// get the lastest one
$meta = array_values($results)[0];

if (!is_file('log/'.$meta['magnetHash'].'.json')) {
  echo "found new download " . $meta['name'] . " \n";
  file_put_contents('log/'.$meta['magnetHash'].'.json', json_encode($meta, JSON_PRETTY_PRINT));

  $cmd = sprintf('aria2c --seed-time=30 --seed-ratio=1.5 --bt-require-crypto=true --bt-min-crypto-level=arc4 "%s"', $meta['magnetLink']);
  // exec($cmd);
  echo "download complete!\n";
} else {
  echo "no new download\n";
}