mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-11-25 16:00:22 +01:00
284 lines
8.3 KiB
PHP
284 lines
8.3 KiB
PHP
<?php
|
|
|
|
require 'inc/lib/IP/Lifo/IP/IP.php';
|
|
require 'inc/lib/IP/Lifo/IP/BC.php';
|
|
require 'inc/lib/IP/Lifo/IP/CIDR.php';
|
|
|
|
use Lifo\IP\CIDR;
|
|
|
|
class Bans {
|
|
static public function range_to_string($mask) {
|
|
list($ipstart, $ipend) = $mask;
|
|
|
|
if (!isset($ipend) || $ipend === false) {
|
|
// Not a range. Single IP address.
|
|
$ipstr = inet_ntop($ipstart);
|
|
return $ipstr;
|
|
}
|
|
|
|
if (strlen($ipstart) != strlen($ipend))
|
|
return '???'; // What the fuck are you doing, son?
|
|
|
|
$range = CIDR::range_to_cidr(inet_ntop($ipstart), inet_ntop($ipend));
|
|
if ($range !== false)
|
|
return $range;
|
|
|
|
return '???';
|
|
}
|
|
|
|
private static function calc_cidr($mask) {
|
|
$cidr = new CIDR($mask);
|
|
$range = $cidr->getRange();
|
|
|
|
return array(inet_pton($range[0]), inet_pton($range[1]));
|
|
}
|
|
|
|
public static function parse_time($str) {
|
|
if (empty($str))
|
|
return false;
|
|
|
|
if (($time = @strtotime($str)) !== false)
|
|
return $time;
|
|
|
|
if (!preg_match('/^((\d+)\s?ye?a?r?s?)?\s?+((\d+)\s?mon?t?h?s?)?\s?+((\d+)\s?we?e?k?s?)?\s?+((\d+)\s?da?y?s?)?((\d+)\s?ho?u?r?s?)?\s?+((\d+)\s?mi?n?u?t?e?s?)?\s?+((\d+)\s?se?c?o?n?d?s?)?$/', $str, $matches))
|
|
return false;
|
|
|
|
$expire = 0;
|
|
|
|
if (isset($matches[2])) {
|
|
// Years
|
|
$expire += $matches[2]*60*60*24*365;
|
|
}
|
|
if (isset($matches[4])) {
|
|
// Months
|
|
$expire += $matches[4]*60*60*24*30;
|
|
}
|
|
if (isset($matches[6])) {
|
|
// Weeks
|
|
$expire += $matches[6]*60*60*24*7;
|
|
}
|
|
if (isset($matches[8])) {
|
|
// Days
|
|
$expire += $matches[8]*60*60*24;
|
|
}
|
|
if (isset($matches[10])) {
|
|
// Hours
|
|
$expire += $matches[10]*60*60;
|
|
}
|
|
if (isset($matches[12])) {
|
|
// Minutes
|
|
$expire += $matches[12]*60;
|
|
}
|
|
if (isset($matches[14])) {
|
|
// Seconds
|
|
$expire += $matches[14];
|
|
}
|
|
|
|
return time() + $expire;
|
|
}
|
|
|
|
static public function parse_range($mask) {
|
|
$ipstart = false;
|
|
$ipend = false;
|
|
|
|
if (preg_match('@^(\d{1,3}\.){1,3}([\d*]{1,3})?$@', $mask) && substr_count($mask, '*') == 1) {
|
|
// IPv4 wildcard mask
|
|
$parts = explode('.', $mask);
|
|
$ipv4 = '';
|
|
foreach ($parts as $part) {
|
|
if ($part == '*') {
|
|
$ipstart = inet_pton($ipv4 . '0' . str_repeat('.0', 3 - substr_count($ipv4, '.')));
|
|
$ipend = inet_pton($ipv4 . '255' . str_repeat('.255', 3 - substr_count($ipv4, '.')));
|
|
break;
|
|
} elseif(($wc = strpos($part, '*')) !== false) {
|
|
$ipstart = inet_pton($ipv4 . substr($part, 0, $wc) . '0' . str_repeat('.0', 3 - substr_count($ipv4, '.')));
|
|
$ipend = inet_pton($ipv4 . substr($part, 0, $wc) . '9' . str_repeat('.255', 3 - substr_count($ipv4, '.')));
|
|
break;
|
|
}
|
|
$ipv4 .= "$part.";
|
|
}
|
|
} elseif (preg_match('@^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/\d+$@', $mask)) {
|
|
list($ipv4, $bits) = explode('/', $mask);
|
|
if ($bits > 32)
|
|
return false;
|
|
|
|
list($ipstart, $ipend) = self::calc_cidr($mask);
|
|
} elseif (preg_match('@^[:a-z\d]+/\d+$@i', $mask)) {
|
|
list($ipv6, $bits) = explode('/', $mask);
|
|
if ($bits > 128)
|
|
return false;
|
|
|
|
list($ipstart, $ipend) = self::calc_cidr($mask);
|
|
} else {
|
|
if (($ipstart = @inet_pton($mask)) === false)
|
|
return false;
|
|
}
|
|
|
|
return array($ipstart, $ipend);
|
|
}
|
|
|
|
static public function find($criteria, $board = false, $get_mod_info = false, $id = false) {
|
|
global $config;
|
|
|
|
$query = prepare('SELECT ``bans``.*' . ($get_mod_info ? ', `username`' : '') . ' FROM ``bans``
|
|
' . ($get_mod_info ? 'LEFT JOIN ``mods`` ON ``mods``.`id` = `creator`' : '') . '
|
|
WHERE ' . ($id ? 'id = :id' : '
|
|
(' . ($board ? '(`board` IS NULL OR `board` = :board) AND' : '') . '
|
|
(`ipstart` = :ip OR (:ip >= `ipstart` AND :ip <= `ipend`)))') . '
|
|
ORDER BY `expires` IS NULL, `expires` DESC');
|
|
|
|
if ($board)
|
|
$query->bindValue(':board', $board);
|
|
|
|
if (!$id) {
|
|
$query->bindValue(':ip', inet_pton($criteria));
|
|
} else {
|
|
$query->bindValue(':id', $criteria);
|
|
}
|
|
|
|
$query->execute() or error(db_error($query));
|
|
|
|
$ban_list = array();
|
|
|
|
while ($ban = $query->fetch(PDO::FETCH_ASSOC)) {
|
|
if ($ban['expires'] && ($ban['seen'] || !$config['require_ban_view']) && $ban['expires'] < time()) {
|
|
self::delete($ban['id']);
|
|
} else {
|
|
if ($ban['post'])
|
|
$ban['post'] = json_decode($ban['post'], true);
|
|
$ban['mask'] = self::range_to_string(array($ban['ipstart'], $ban['ipend']));
|
|
$ban_list[] = $ban;
|
|
}
|
|
}
|
|
|
|
return $ban_list;
|
|
}
|
|
|
|
static public function list_all($offset = 0, $limit = 9001, $board = false) {
|
|
$offset = (int)$offset;
|
|
$limit = (int)$limit;
|
|
|
|
$query = prepare("SELECT ``bans``.*, `username` FROM ``bans``
|
|
LEFT JOIN ``mods`` ON ``mods``.`id` = `creator`" . ($board ? ' WHERE ``bans``.`board` = :board' : '') . "
|
|
ORDER BY `created` DESC LIMIT $offset, $limit");
|
|
if ($board)
|
|
$query->bindValue(':board', $board);
|
|
|
|
$query->execute() or error(db_error());
|
|
$bans = $query->fetchAll(PDO::FETCH_ASSOC);
|
|
|
|
foreach ($bans as &$ban) {
|
|
$ban['mask'] = self::range_to_string(array($ban['ipstart'], $ban['ipend']));
|
|
}
|
|
|
|
return $bans;
|
|
}
|
|
|
|
static public function count($board = false) {
|
|
$query = prepare("SELECT COUNT(*) FROM ``bans`` WHERE `board` = :board");
|
|
$query->bindValue(':board', $board);
|
|
$query->execute() or error(db_error());
|
|
return (int)$query->fetchColumn();
|
|
}
|
|
|
|
static public function seen($ban_id) {
|
|
$query = query("UPDATE ``bans`` SET `seen` = 1 WHERE `id` = " . (int)$ban_id) or error(db_error());
|
|
}
|
|
|
|
static public function purge() {
|
|
$query = query("DELETE FROM ``bans`` WHERE `expires` IS NOT NULL AND `expires` < " . time() . " AND `seen` = 1") or error(db_error());
|
|
}
|
|
|
|
static public function delete($ban_id, $modlog = false) {
|
|
global $config, $mod;
|
|
|
|
$query = query("SELECT `ipstart`, `ipend`, `board` FROM ``bans`` WHERE `id` = " . (int)$ban_id) or error(db_error());
|
|
if (!$ban = $query->fetch(PDO::FETCH_ASSOC)) {
|
|
// Ban doesn't exist
|
|
return false;
|
|
}
|
|
|
|
if ($mod['boards'][0] != '*' && !in_array($ban['board'], $mod['boards']))
|
|
error($config['error']['noaccess']);
|
|
|
|
if ($modlog) {
|
|
$mask = self::range_to_string(array($ban['ipstart'], $ban['ipend']));
|
|
|
|
modLog("Removed ban #{$ban_id} for " .
|
|
(filter_var($mask, FILTER_VALIDATE_IP) !== false ? "<a href=\"?/IP/$mask\">$mask</a>" : $mask));
|
|
}
|
|
|
|
query("DELETE FROM ``bans`` WHERE `id` = " . (int)$ban_id) or error(db_error());
|
|
|
|
return true;
|
|
}
|
|
|
|
static public function new_ban($mask, $reason, $length = false, $ban_board = false, $mod_id = false, $post = false) {
|
|
global $config, $mod, $pdo, $board;
|
|
|
|
if ($mod_id === false) {
|
|
$mod_id = isset($mod['id']) ? $mod['id'] : -1;
|
|
}
|
|
|
|
if (!in_array($ban_board, $mod['boards']) && $mod['boards'][0] != '*')
|
|
error($config['error']['noaccess']);
|
|
|
|
$range = self::parse_range($mask);
|
|
$mask = self::range_to_string($range);
|
|
|
|
$query = prepare("INSERT INTO ``bans`` VALUES (NULL, :ipstart, :ipend, :time, :expires, :board, :mod, :reason, 0, :post)");
|
|
|
|
$query->bindValue(':ipstart', $range[0]);
|
|
if ($range[1] !== false && $range[1] != $range[0])
|
|
$query->bindValue(':ipend', $range[1]);
|
|
else
|
|
$query->bindValue(':ipend', null, PDO::PARAM_NULL);
|
|
|
|
$query->bindValue(':mod', $mod_id);
|
|
$query->bindValue(':time', time());
|
|
|
|
if ($reason !== '') {
|
|
$reason = escape_markup_modifiers($reason);
|
|
markup($reason);
|
|
$query->bindValue(':reason', $reason);
|
|
} else
|
|
$query->bindValue(':reason', null, PDO::PARAM_NULL);
|
|
|
|
if ($length) {
|
|
if (is_int($length) || ctype_digit($length)) {
|
|
$length = time() + $length;
|
|
} else {
|
|
$length = self::parse_time($length);
|
|
}
|
|
$query->bindValue(':expires', $length);
|
|
} else {
|
|
$query->bindValue(':expires', null, PDO::PARAM_NULL);
|
|
}
|
|
|
|
if ($ban_board)
|
|
$query->bindValue(':board', $ban_board);
|
|
else
|
|
$query->bindValue(':board', null, PDO::PARAM_NULL);
|
|
|
|
if ($post) {
|
|
$post['board'] = $board['uri'];
|
|
$query->bindValue(':post', json_encode($post));
|
|
} else
|
|
$query->bindValue(':post', null, PDO::PARAM_NULL);
|
|
|
|
$query->execute() or error(db_error($query));
|
|
|
|
if (isset($mod['id']) && $mod['id'] == $mod_id) {
|
|
modLog('Created a new ' .
|
|
($length > 0 ? preg_replace('/^(\d+) (\w+?)s?$/', '$1-$2', until($length)) : 'permanent') .
|
|
' ban on ' .
|
|
($ban_board ? '/' . $ban_board . '/' : 'all boards') .
|
|
' for ' .
|
|
(filter_var($mask, FILTER_VALIDATE_IP) !== false ? "<a href=\"?/IP/$mask\">$mask</a>" : $mask) .
|
|
' (<small>#' . $pdo->lastInsertId() . '</small>)' .
|
|
' with ' . ($reason ? 'reason: ' . utf8tohtml($reason) . '' : 'no reason'));
|
|
}
|
|
return $pdo->lastInsertId();
|
|
}
|
|
}
|