torrent_info.php

<?php
require "include/bittorrent.php";

use OurBits\Bencode;

function torrent_structure_builder($array, $parent = "")
{
    $ret = '';
    foreach ($array as $item => $value) {
        $value_length = strlen(Bencode::encode($value));
        if (is_iterable($value)) {  // It may `dictionary` or `list`
            $type = is_indexed_array($value) ? 'list' : 'dictionary';
            $ret .= "<li><div align='left' class='" . $type . "'><a href='javascript:void(0);' onclick='$(this).parent().next(\"ul\").toggle()'> + <span class=title>[" . $item . "]</span> <span class='icon'>(" . ucfirst($type) . ")</span> <span class=length>[" . $value_length . "]</span></a></div>";
            $ret .= "<ul style='display:none'>" . torrent_structure_builder($value, $item) . "</ul></li>";
        } else { // It may `interger` or `string`
            $type = is_integer($value) ? 'integer' : 'string';
            $value = ($parent == 'info' && $item == 'pieces') ? "0x" . bin2hex(substr($value, 0, 25)) . "..." : $value;  // Cut the info pieces....
            $ret .= "<li><div align=left class=" . $type . "> - <span class=title>[" . $item . "]</span> <span class=icon>(" . ucfirst($type) . ")</span> <span class=length>[" . $value_length . "]</span>: <span class=value>" . $value . "</span></div></li>";
        }
    }
    return $ret;
}

dbconn();
global $torrentstructure_class, $torrent_dir;
loggedinorreturn();

if (get_user_class() < $torrentstructure_class) {
    permissiondenied();
}

$id = (int)$_GET["id"];

if (!$id)
    httperr();

$res = sql_query("SELECT name FROM torrents WHERE id = " . sqlesc($id)) or sqlerr(__FILE__, __LINE__);
$row = mysql_fetch_assoc($res);

$fn = "$torrent_dir/$id.torrent";

if (!$row || !is_file($fn) || !is_readable($fn))
    httperr();

$dict = Bencode::load($fn);

// Standard html headers
stdhead("Torrent Info");
?>
    <style type="text/css">
        #torrent-structure ul {
            margin-left: 15px
        }

        #torrent-structure ul, li {
            list-style-type: none;
            color: #000;
            padding-inline-start: 0px;
        }

        #torrent-structure li div.string {
            padding: 3px
        }

        #torrent-structure li div.integer {
            padding: 3px
        }

        #torrent-structure li div.dictionary {
            padding: 3px
        }

        #torrent-structure li div.list {
            padding: 3px
        }

        #torrent-structure li div.string span.icon {
            color: #090;
            padding: 2px
        }

        #torrent-structure li div.integer span.icon {
            color: #990;
            padding: 2px
        }

        #torrent-structure li div.dictionary span.icon {
            color: #909;
            padding: 2px
        }

        #torrent-structure li div.list span.icon {
            color: #009;
            padding: 2px
        }

        #torrent-structure li span.title {
            font-weight: bold
        }
    </style>
<?php

begin_main_frame();

print("<div align=center><h1>$row[name]</h1>");  // Heading
print("<table width=750 border=1 cellspacing=0 cellpadding=5><td>");  // Start table
echo "<ul id='torrent-structure'>";
echo torrent_structure_builder(['root' => $dict]);
echo "</ul>";
print("</td></table>");  // End table

end_main_frame();
stdfoot();