Gazelle/sections/torrents/index.php

<?php
#declare(strict_types=1);

//Function used for pagination of peer/snatch/download lists on details.php
function js_pages($Action, $TorrentID, $NumResults, $CurrentPage) {
  $NumPages = ceil($NumResults / 100);
  $PageLinks = [];
  for ($i = 1; $i <= $NumPages; $i++) {
    if ($i == $CurrentPage) {
      $PageLinks[] = $i;
    } else {
      $PageLinks[] = "<a href=\"#\" onclick=\"$Action($TorrentID, $i)\">$i</a>";
    }
  }
  return implode(' | ', $PageLinks);
}

// This gets used in a few places
$ArtistTypes = array(1 => 'Main', 2 => 'Guest', 3 => 'Remixer', 4 => 'Composer', 5 => 'Conductor', 6 => 'DJ/Compiler', 7 => 'Producer');

if (!empty($_REQUEST['action'])) {
  switch ($_REQUEST['action']) {
    case 'edit':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/edit.php');
      break;

    case 'editgroup':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/editgroup.php');
      break;

    case 'editgroupid':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/editgroupid.php');
      break;

    case 'changecategory':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/takechangecategory.php');
      break;
    case 'grouplog':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/grouplog.php');
      break;
    case 'takeedit':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/takeedit.php');
      break;

    case 'newgroup':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/takenewgroup.php');
      break;

    case 'peerlist':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/peerlist.php');
      break;

    case 'snatchlist':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/snatchlist.php');
      break;

    case 'downloadlist':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/downloadlist.php');
      break;

    case 'redownload':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/redownload.php');
      break;

    case 'revert':
    case 'takegroupedit':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/takegroupedit.php');
      break;

    case 'screenshotedit':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/screenshotedit.php');
      break;

    case 'nonwikiedit':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/nonwikiedit.php');
      break;

    case 'rename':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/rename.php');
      break;

    case 'merge':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/merge.php');
      break;

    case 'add_alias':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/add_alias.php');
      break;

    case 'delete_alias':
      enforce_login();
      authorize();
      include(SERVER_ROOT.'/sections/torrents/delete_alias.php');
      break;

    case 'history':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/history.php');
      break;

    case 'delete':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/delete.php');
      break;

    case 'takedelete':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/takedelete.php');
      break;

    case 'masspm':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/masspm.php');
      break;

    case 'reseed':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/reseed.php');
      break;

    case 'takemasspm':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/takemasspm.php');
      break;

    case 'add_tag':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/add_tag.php');
      break;

    case 'delete_tag':
      enforce_login();
      authorize();
      include(SERVER_ROOT.'/sections/torrents/delete_tag.php');
      break;

    case 'notify':
      enforce_login();
      include(SERVER_ROOT.'/sections/torrents/notify.php');
      break;

    case 'manage_artists':
      enforce_login();
      require(SERVER_ROOT.'/sections/torrents/manage_artists.php');
      break;

    case 'notify_clear':
    case 'notify_clear_item':
    case 'notify_clear_items':
    case 'notify_clearitem':
    case 'notify_clear_filter':
    case 'notify_cleargroup':
    case 'notify_catchup':
    case 'notify_catchup_filter':
      authorize();
      enforce_login();
      require(SERVER_ROOT.'/sections/torrents/notify_actions.php');
      break;

    case 'download':
      require(SERVER_ROOT.'/sections/torrents/download.php');
      break;

    case 'regen_filelist':
      if (check_perms('users_mod') && !empty($_GET['torrentid']) && is_number($_GET['torrentid'])) {
        Torrents::regenerate_filelist($_GET['torrentid']);
        header('Location: torrents.php?torrentid='.$_GET['torrentid']);
        error();
      } else {
        error(403);
      }
      break;
    case 'fix_group':
      if ((check_perms('users_mod') || check_perms('torrents_fix_ghosts')) && authorize() && !empty($_GET['groupid']) && is_number($_GET['groupid'])) {
        $DB->query('
          SELECT COUNT(ID)
          FROM torrents
          WHERE GroupID = '.$_GET['groupid']);
        list($Count) = $DB->next_record();
        if ($Count == 0) {
          Torrents::delete_group($_GET['groupid']);
        }
        if (!empty($_GET['artistid']) && is_number($_GET['artistid'])) {
          header('Location: artist.php?id='.$_GET['artistid']);
        } else {
          header('Location: torrents.php?id='.$_GET['groupid']);
        }
      } else {
        error(403);
      }
      break;
    case 'add_cover_art':
      include(SERVER_ROOT.'/sections/torrents/add_cover_art.php');
      break;
    case 'remove_cover_art':
      include(SERVER_ROOT.'/sections/torrents/remove_cover_art.php');
      break;
    case 'autocomplete_tags':
      include(SERVER_ROOT.'/sections/torrents/autocomplete_tags.php');
      break;
    default:
      enforce_login();

      if (!empty($_GET['id'])) {
        include(SERVER_ROOT.'/sections/torrents/details.php');
      } elseif (isset($_GET['torrentid']) && is_number($_GET['torrentid'])) {
        $DB->query('
          SELECT GroupID
          FROM torrents
          WHERE ID = '.$_GET['torrentid']);
        list($GroupID) = $DB->next_record();
        if ($GroupID) {
          header("Location: torrents.php?id=$GroupID&torrentid=".$_GET['torrentid']);
        }
      } else {
        include(SERVER_ROOT.'/sections/torrents/browse.php');
      }
      break;
  }
} else {
  enforce_login();

  if (!empty($_GET['id'])) {
    include(SERVER_ROOT.'/sections/torrents/details.php');
  } elseif (isset($_GET['torrentid']) && is_number($_GET['torrentid'])) {
    $DB->query("
      SELECT GroupID
      FROM torrents
      WHERE ID = ".$_GET['torrentid']);
    list($GroupID) = $DB->next_record();
    if ($GroupID) {
      header("Location: torrents.php?id=$GroupID&torrentid=".$_GET['torrentid'].'#torrent'.$_GET['torrentid']);
    } else {
      header("Location: log.php?search=Torrent+$_GET[torrentid]");
    }
  } elseif (!empty($_GET['type'])) {
    include(SERVER_ROOT.'/sections/torrents/user.php');
  } elseif (!empty($_GET['groupname']) && !empty($_GET['forward'])) {
    $DB->query("
      SELECT ID
      FROM torrents_group
      WHERE Name LIKE '".db_string($_GET['groupname'])."'");
    list($GroupID) = $DB->next_record();
    if ($GroupID) {
      header("Location: torrents.php?id=$GroupID");
    } else {
      include(SERVER_ROOT.'/sections/torrents/browse.php');
    }
  } else {
    include(SERVER_ROOT.'/sections/torrents/browse.php');
  }
}
?>