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functions.php
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functions.php
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<?php
/**
* MIT License
*
* Copyright (c) 2005-2017 TorrentPier
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
if (!defined('BB_ROOT')) {
die(basename(__FILE__));
}
function get_path_from_id($id, $ext_id, $base_path, $first_div, $sec_div)
{
global $bb_cfg;
$ext = isset($bb_cfg['file_id_ext'][$ext_id]) ? $bb_cfg['file_id_ext'][$ext_id] : '';
return ($base_path ? "$base_path/" : '') . floor($id / $first_div) . '/' . ($id % $sec_div) . '/' . $id . ($ext ? ".$ext" : '');
}
function get_avatar_path($id, $ext_id, $base_path = null, $first_div = 10000, $sec_div = 100)
{
global $bb_cfg;
$base_path = isset($base_path) ? $base_path : $bb_cfg['avatars']['upload_path'];
return get_path_from_id($id, $ext_id, $base_path, $first_div, $sec_div);
}
function get_attach_path($id, $ext_id = '', $base_path = null, $first_div = 10000, $sec_div = 100)
{
global $bb_cfg;
$base_path = isset($base_path) ? $base_path : $bb_cfg['attach']['upload_path'];
return get_path_from_id($id, $ext_id, $base_path, $first_div, $sec_div);
}
function delete_avatar($user_id, $avatar_ext_id)
{
$avatar_file = $avatar_ext_id ? get_avatar_path($user_id, $avatar_ext_id) : '';
return ($avatar_file && file_exists($avatar_file)) ? @unlink($avatar_file) : false;
}
function get_tracks($type)
{
static $pattern = '#^a:\d+:{[i:;\d]+}$#';
switch ($type) {
case 'topic':
$c_name = COOKIE_TOPIC;
break;
case 'forum':
$c_name = COOKIE_FORUM;
break;
case 'pm':
$c_name = COOKIE_PM;
break;
default:
trigger_error(__FUNCTION__ . ": invalid type '$type'", E_USER_ERROR);
}
$tracks = !empty($_COOKIE[$c_name]) ? @unserialize($_COOKIE[$c_name]) : false;
return $tracks ?: [];
}
function set_tracks($cookie_name, &$tracking_ary, $tracks = null, $val = TIMENOW)
{
global $tracking_topics, $tracking_forums, $user;
if (IS_GUEST) {
return;
}
$prev_tracking_ary = $tracking_ary;
if ($tracks) {
if (!is_array($tracks)) {
$tracks = array($tracks => $val);
}
foreach ($tracks as $key => $val) {
$key = (int)$key;
$val++;
$curr_track_val = !empty($tracking_ary[$key]) ? $tracking_ary[$key] : 0;
if ($val > max($curr_track_val, $user->data['user_lastvisit'])) {
$tracking_ary[$key] = $val;
} elseif ($curr_track_val < $user->data['user_lastvisit']) {
unset($tracking_ary[$key]);
}
}
}
$overflow = count($tracking_topics) + count($tracking_forums) - COOKIE_MAX_TRACKS;
if ($overflow > 0) {
arsort($tracking_ary);
for ($i = 0; $i < $overflow; $i++) {
array_pop($tracking_ary);
}
}
if (array_diff($tracking_ary, $prev_tracking_ary)) {
bb_setcookie($cookie_name, serialize($tracking_ary));
}
}
function get_last_read($topic_id = 0, $forum_id = 0)
{
global $tracking_topics, $tracking_forums, $user;
$t = isset($tracking_topics[$topic_id]) ? $tracking_topics[$topic_id] : 0;
$f = isset($tracking_forums[$forum_id]) ? $tracking_forums[$forum_id] : 0;
return max($t, $f, $user->data['user_lastvisit']);
}
function is_unread($ref, $topic_id = 0, $forum_id = 0)
{
return (!IS_GUEST && $ref > get_last_read($topic_id, $forum_id));
}
//
// Auth
//
define('AUTH_LIST_ALL', 0);
// forum's ACL types (bb_forums: auth_view, auth_read... values)
define('AUTH_REG', 1);
define('AUTH_ACL', 2);
define('AUTH_ADMIN', 5);
// forum_perm bitfields - backward compatible with auth($type)
define('AUTH_ALL', 0);
define('AUTH_VIEW', 1);
define('AUTH_READ', 2);
define('AUTH_MOD', 3);
define('AUTH_POST', 4);
define('AUTH_REPLY', 5);
define('AUTH_EDIT', 6);
define('AUTH_DELETE', 7);
define('AUTH_STICKY', 8);
define('AUTH_ANNOUNCE', 9);
define('AUTH_VOTE', 10);
define('AUTH_POLLCREATE', 11);
define('AUTH_ATTACH', 12);
define('AUTH_DOWNLOAD', 13);
define('BF_AUTH_MOD', bit2dec(AUTH_MOD));
// When defining user permissions, take into account:
define('UG_PERM_BOTH', 1); // both user and group
define('UG_PERM_USER_ONLY', 2); // only personal user permissions
define('UG_PERM_GROUP_ONLY', 3); // only group permissions
$bf['forum_perm'] = array(
'auth_view' => AUTH_VIEW,
'auth_read' => AUTH_READ,
'auth_mod' => AUTH_MOD,
'auth_post' => AUTH_POST,
'auth_reply' => AUTH_REPLY,
'auth_edit' => AUTH_EDIT,
'auth_delete' => AUTH_DELETE,
'auth_sticky' => AUTH_STICKY,
'auth_announce' => AUTH_ANNOUNCE,
'auth_vote' => AUTH_VOTE,
'auth_pollcreate' => AUTH_POLLCREATE,
'auth_attachments' => AUTH_ATTACH,
'auth_download' => AUTH_DOWNLOAD,
);
$bf['user_opt'] = array(
# 'dis_opt_name' => ЗАПРЕТЫ используемые администраторами для пользователей
# 'user_opt_name' => НАСТРОЙКИ используемые пользователями
'user_viewemail' => 0, // Показывать e-mail
'dis_sig' => 1, // Запрет на подпись
'dis_avatar' => 2, // Запрет на аватар
'dis_pm' => 3, // Запрет на отправку ЛС
'user_viewonline' => 4, // Скрывать пребывание пользователя
'user_notify' => 5, // Сообщать об ответах в отслеживаемых темах
'user_notify_pm' => 6, // Сообщать о новых ЛС
'dis_passkey' => 7, // Запрет на добавление passkey, он же запрет на скачивание торрентов
'user_porn_forums' => 8, // Скрывать контент 18+
'user_callseed' => 9, // Позвать скачавших
'user_empty' => 10, // Запрет на показ рекламы (не используется)
'dis_topic' => 11, // Запрет на создание новых тем
'dis_post' => 12, // Запрет на отправку сообщений
'dis_post_edit' => 13, // Запрет на редактирование сообщений
'user_dls' => 14, // Скрывать список текущих закачек в профиле
'user_retracker' => 15, // Добавлять ретрекер к скачиваемым торрентам
);
function bit2dec($bit_num)
{
if (is_array($bit_num)) {
$dec = 0;
foreach ($bit_num as $bit) {
$dec |= (1 << $bit);
}
return $dec;
}
return (1 << $bit_num);
}
function bf_bit2dec($bf_array_name, $key)
{
global $bf;
if (!isset($bf[$bf_array_name][$key])) {
trigger_error(__FUNCTION__ . ": bitfield '$key' not found", E_USER_ERROR);
}
return (1 << $bf[$bf_array_name][$key]);
}
function bf($int, $bf_array_name, $key)
{
return (bf_bit2dec($bf_array_name, $key) & (int)$int);
}
function setbit(&$int, $bit_num, $on)
{
return ($on) ? $int |= (1 << $bit_num) : $int &= ~(1 << $bit_num);
}
/*
$type's accepted (pre-pend with AUTH_):
VIEW, READ, POST, REPLY, EDIT, DELETE, STICKY, ANNOUNCE, VOTE, POLLCREATE
Possible options ($type/forum_id combinations):
* If you include a type and forum_id then a specific lookup will be done and
the single result returned
* If you set type to AUTH_ALL and specify a forum_id an array of all auth types
will be returned
* If you provide a forum_id a specific lookup on that forum will be done
* If you set forum_id to AUTH_LIST_ALL and specify a type an array listing the
results for all forums will be returned
* If you set forum_id to AUTH_LIST_ALL and type to AUTH_ALL a multidimensional
array containing the auth permissions for all types and all forums for that
user is returned
All results are returned as associative arrays, even when a single auth type is
specified.
If available you can send an array (either one or two dimensional) containing the
forum auth levels, this will prevent the auth function having to do its own
lookup
*/
function auth($type, $forum_id, $ug_data, array $f_access = array(), $group_perm = UG_PERM_BOTH)
{
global $lang, $bf, $datastore;
$is_guest = true;
$is_admin = false;
$auth = $auth_fields = $u_access = array();
$add_auth_type_desc = ($forum_id != AUTH_LIST_ALL);
//
// Get $auth_fields
//
if ($type == AUTH_ALL) {
$auth_fields = array_keys($bf['forum_perm']);
} elseif ($auth_type = array_search($type, $bf['forum_perm'])) {
$auth_fields = array($auth_type);
}
if (empty($auth_fields)) {
trigger_error(__FUNCTION__ . '(): empty $auth_fields', E_USER_ERROR);
}
//
// Get $f_access
//
// If f_access has been passed, or auth is needed to return an array of forums
// then we need to pull the auth information on the given forum (or all forums)
if (empty($f_access)) {
if (!$forums = $datastore->get('cat_forums')) {
$datastore->update('cat_forums');
$forums = $datastore->get('cat_forums');
}
if ($forum_id == AUTH_LIST_ALL) {
$f_access = $forums['f'];
} elseif (isset($forums['f'][$forum_id])) {
$f_access[$forum_id] = $forums['f'][$forum_id];
}
} elseif (isset($f_access['forum_id'])) {
// Change passed $f_access format for later using in foreach()
$f_access = array($f_access['forum_id'] => $f_access);
}
if (empty($f_access)) {
trigger_error(__FUNCTION__ . '(): empty $f_access', E_USER_ERROR);
}
//
// Get user or group permissions
//
$forum_match_sql = ($forum_id != AUTH_LIST_ALL) ? "AND aa.forum_id = " . (int)$forum_id : '';
// GROUP mode
if (!empty($ug_data['group_id'])) {
$is_guest = false;
$is_admin = false;
$sql = "SELECT aa.forum_id, aa.forum_perm
FROM " . BB_AUTH_ACCESS . " aa
WHERE aa.group_id = " . (int)$ug_data['group_id'] . "
$forum_match_sql";
foreach (DB()->fetch_rowset($sql) as $row) {
$u_access[$row['forum_id']] = $row['forum_perm'];
}
} // USER mode
elseif (!empty($ug_data['user_id'])) {
$is_guest = empty($ug_data['session_logged_in']);
$is_admin = (!$is_guest && $ug_data['user_level'] == ADMIN);
if ($group_perm != UG_PERM_BOTH) {
$group_single_user = ($group_perm == UG_PERM_USER_ONLY) ? 1 : 0;
$sql = "
SELECT
aa.forum_id, BIT_OR(aa.forum_perm) AS forum_perm
FROM
" . BB_USER_GROUP . " ug,
" . BB_GROUPS . " g,
" . BB_AUTH_ACCESS . " aa
WHERE
ug.user_id = " . (int)$ug_data['user_id'] . "
AND ug.user_pending = 0
AND g.group_id = ug.group_id
AND g.group_single_user = $group_single_user
AND aa.group_id = g.group_id
$forum_match_sql
GROUP BY aa.forum_id
";
foreach (DB()->fetch_rowset($sql) as $row) {
$u_access[$row['forum_id']] = $row['forum_perm'];
}
} else {
if (!$is_guest && !$is_admin) {
$sql = "SELECT SQL_CACHE aa.forum_id, aa.forum_perm
FROM " . BB_AUTH_ACCESS_SNAP . " aa
WHERE aa.user_id = " . (int)$ug_data['user_id'] . "
$forum_match_sql";
foreach (DB()->fetch_rowset($sql) as $row) {
$u_access[$row['forum_id']] = $row['forum_perm'];
}
}
}
}
// If the user is logged on and the forum type is either ALL or REG then the user has access
//
// If the type if ACL, MOD or ADMIN then we need to see if the user has specific permissions
// to do whatever it is they want to do ... to do this we pull relevant information for the
// user (and any groups they belong to)
//
// Now we compare the users access level against the forums. We assume here that a moderator
// and admin automatically have access to an ACL forum, similarly we assume admins meet an
// auth requirement of MOD
//
foreach ($f_access as $f_id => $f_data) {
$auth[$f_id]['auth_mod'] = auth_check('forum_perm', 'auth_mod', $u_access, $f_id, $is_admin);
foreach ($auth_fields as $auth_type) {
if (!isset($f_data[$auth_type])) {
continue;
}
switch ($f_data[$auth_type]) {
case AUTH_ALL:
$auth[$f_id][$auth_type] = true;
break;
case AUTH_REG:
$auth[$f_id][$auth_type] = !$is_guest;
break;
case AUTH_ACL:
$auth[$f_id][$auth_type] = (auth_check('forum_perm', $auth_type, $u_access, $f_id, $is_admin) || $auth[$f_id]['auth_mod']);
break;
case AUTH_MOD:
$auth[$f_id][$auth_type] = $auth[$f_id]['auth_mod'];
break;
case AUTH_ADMIN:
$auth[$f_id][$auth_type] = $is_admin;
break;
default:
$auth[$f_id][$auth_type] = false;
}
if ($add_auth_type_desc) {
$auth[$f_id][$auth_type . '_type'] =& $lang['AUTH_TYPES'][$f_data[$auth_type]];
}
}
}
return ($forum_id == AUTH_LIST_ALL) ? $auth : $auth[$forum_id];
}
function auth_check($bf_ary, $bf_key, $perm_ary, $perm_key, $is_admin = false)
{
if ($is_admin) {
return true;
}
if (!isset($perm_ary[$perm_key])) {
return false;
}
return bf($perm_ary[$perm_key], $bf_ary, $bf_key);
}
function delta_time($timestamp_1, $timestamp_2 = TIMENOW, $granularity = 'auto')
{
return $GLOBALS['DeltaTime']->spellDelta($timestamp_1, $timestamp_2, $granularity);
}
function get_select($select, $selected = null, $return_as = 'html', $first_opt = '»» Выбрать ')
{
$select_ary = array();
switch ($select) {
case 'groups':
$sql = "SELECT group_id, group_name FROM " . BB_GROUPS . " WHERE group_single_user = 0 ORDER BY group_name";
foreach (DB()->fetch_rowset($sql) as $row) {
$select_ary[$row['group_name']] = $row['group_id'];
}
$select_name = 'g';
break;
case 'forum_tpl':
$sql = "SELECT tpl_id, tpl_name FROM " . BB_TOPIC_TPL . " ORDER BY tpl_name";
$select_ary[$first_opt] = 0;
foreach (DB()->fetch_rowset($sql) as $row) {
$select_ary[$row['tpl_name']] = $row['tpl_id'];
}
$select_name = 'forum_tpl_select';
break;
}
return ($return_as == 'html') ? build_select($select_name, $select_ary, $selected) : $select_ary;
}
function build_select($name, $params, $selected = null, $max_length = HTML_SELECT_MAX_LENGTH, $multiple_size = null, $js = '')
{
global $html;
return $html->build_select($name, $params, $selected, $max_length, $multiple_size, $js);
}
function build_checkbox($name, $title, $checked = false, $disabled = false, $class = null, $id = null, $value = 1)
{
global $html;
return $html->build_checkbox($name, $title, $checked, $disabled, $class, $id, $value);
}
function replace_quote($str, $double = true, $single = true)
{
if ($double) {
$str = str_replace('"', '"', $str);
}
if ($single) {
$str = str_replace("'", ''', $str);
}
return $str;
}
/**
* Build simple hidden fields from array
*/
function build_hidden_fields($fields_ary)
{
$out = "\n";
foreach ($fields_ary as $name => $val) {
if (is_array($val)) {
foreach ($val as $ary_key => $ary_val) {
$out .= '<input type="hidden" name="' . $name . '[' . $ary_key . ']" value="' . $ary_val . "\" />\n";
}
} else {
$out .= '<input type="hidden" name="' . $name . '" value="' . $val . "\" />\n";
}
}
return $out;
}
/**
* Choost russian word declension based on numeric [from dklab.ru]
* Example for $expressions: array("ответ", "ответа", "ответов")
*/
function declension($int, $expressions, $format = '%1$s %2$s')
{
if (!is_array($expressions)) {
$expressions = $GLOBALS['lang']['DECLENSION'][strtoupper($expressions)];
}
if (count($expressions) < 3) {
$expressions[2] = $expressions[1];
}
$count = (int)$int % 100;
if ($count >= 5 && $count <= 20) {
$result = $expressions['2'];
} else {
$count %= 10;
if ($count == 1) {
$result = $expressions['0'];
} elseif ($count >= 2 && $count <= 4) {
$result = $expressions['1'];
} else {
$result = $expressions['2'];
}
}
return ($format) ? sprintf($format, $int, $result) : $result;
}
// http://forum.dklab.ru/php/advises/UrlreplaceargChangesValueOfParameterInUrl.html
function url_arg($url, $arg, $value, $amp = '&')
{
$arg = preg_quote($arg, '/');
// разделяем URL и ANCHOR
$anchor = '';
if (preg_match('/(.*)(#.*)/s', $url, $m)) {
$url = $m[1];
$anchor = $m[2];
}
// заменяем параметр, если он существует
if (preg_match("/((\?|&|&)$arg=)[^&]*/s", $url, $m)) {
$cur = $m[0];
$new = null === $value ? '' : $m[1] . urlencode($value);
$url = str_replace($cur, $new, $url);
} // добавляем параметр
elseif (null !== $value) {
$div = (strpos($url, '?') !== false) ? $amp : '?';
$url = $url . $div . $arg . '=' . urlencode($value);
}
return $url . $anchor;
}
/**
* Adds commas between every group of thousands
*/
function commify($number)
{
return number_format($number);
}
/**
* Returns a size formatted in a more human-friendly format, rounded to the nearest GB, MB, KB..
*/
function humn_size($size, $rounder = null, $min = null, $space = ' ')
{
static $sizes = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
static $rounders = array(0, 0, 0, 2, 3, 3, 3, 3, 3);
$size = (float)$size;
$ext = $sizes[0];
$rnd = $rounders[0];
if ($min == 'KB' && $size < 1024) {
$size /= 1024;
$ext = 'KB';
$rounder = 1;
} else {
for ($i = 1, $cnt = count($sizes); ($i < $cnt && $size >= 1024); $i++) {
$size /= 1024;
$ext = $sizes[$i];
$rnd = $rounders[$i];
}
}
if (!$rounder) {
$rounder = $rnd;
}
return round($size, $rounder) . $space . $ext;
}
function bt_show_ip($ip, $port = '')
{
global $bb_cfg;
if (IS_AM) {
$ip = decode_ip($ip);
$ip .= ($port) ? ":$port" : '';
return $ip;
} else {
return ($bb_cfg['bt_show_ip_only_moder']) ? false : decode_ip_xx($ip);
}
}
function bt_show_port($port)
{
global $bb_cfg;
if (IS_AM) {
return $port;
} else {
return ($bb_cfg['bt_show_port_only_moder']) ? false : $port;
}
}
function decode_ip_xx($ip)
{
$h = explode('.', chunk_split($ip, 2, '.'));
return hexdec($h[0]) . '.' . hexdec($h[1]) . '.' . hexdec($h[2]) . '.xx';
}
function checkbox_get_val(&$key, &$val, $default = 1, $on = 1, $off = 0)
{
global $previous_settings, $search_id;
if (isset($_REQUEST[$key]) && is_string($_REQUEST[$key])) {
$val = (int)$_REQUEST[$key];
} elseif (!isset($_REQUEST[$key]) && isset($_REQUEST['prev_' . $key])) {
$val = $off;
} elseif (isset($previous_settings[$key]) && (!IS_GUEST || !empty($search_id))) {
$val = ($previous_settings[$key]) ? $on : $off;
} else {
$val = $default;
}
}
function select_get_val($key, &$val, $options_ary, $default, $num = true)
{
global $previous_settings;
if (isset($_REQUEST[$key]) && is_string($_REQUEST[$key])) {
if (isset($options_ary[$_REQUEST[$key]])) {
$val = ($num) ? (int)$_REQUEST[$key] : $_REQUEST[$key];
}
} elseif (isset($previous_settings[$key])) {
$val = $previous_settings[$key];
} else {
$val = $default;
}
}
/**
* set_var
*
* Set variable, used by {@link request_var the request_var function}
*
* @access private
*/
function set_var(&$result, $var, $type, $multibyte = false, $strip = true)
{
settype($var, $type);
$result = $var;
if ($type == 'string') {
$result = trim(htmlspecialchars(str_replace(array("\r\n", "\r"), array("\n", "\n"), $result)));
if (!empty($result)) {
// Make sure multibyte characters are wellformed
if ($multibyte) {
if (!preg_match('/^./u', $result)) {
$result = '';
}
}
}
$result = ($strip) ? stripslashes($result) : $result;
}
}
/**
* request_var
*
* Used to get passed variable
*/
function request_var($var_name, $default, $multibyte = false, $cookie = false)
{
if (!$cookie && isset($_COOKIE[$var_name])) {
if (!isset($_GET[$var_name]) && !isset($_POST[$var_name])) {
return (is_array($default)) ? array() : $default;
}
$_REQUEST[$var_name] = isset($_POST[$var_name]) ? $_POST[$var_name] : $_GET[$var_name];
}
if (!isset($_REQUEST[$var_name]) || (is_array($_REQUEST[$var_name]) && !is_array($default)) || (is_array($default) && !is_array($_REQUEST[$var_name]))) {
return (is_array($default)) ? array() : $default;
}
$var = $_REQUEST[$var_name];
if (!is_array($default)) {
$type = gettype($default);
} else {
list($key_type, $type) = $default;
$type = gettype($type);
$key_type = gettype($key_type);
if ($type == 'array') {
reset($default);
$default = current($default);
list($sub_key_type, $sub_type) = $default;
$sub_type = gettype($sub_type);
$sub_type = ($sub_type == 'array') ? 'NULL' : $sub_type;
$sub_key_type = gettype($sub_key_type);
}
}
if (is_array($var)) {
$_var = $var;
$var = array();
foreach ($_var as $k => $v) {
set_var($k, $k, $key_type);
if ($type == 'array' && is_array($v)) {
foreach ($v as $_k => $_v) {
if (is_array($_v)) {
$_v = null;
}
set_var($_k, $_k, $sub_key_type);
set_var($var[$k][$_k], $_v, $sub_type, $multibyte);
}
} else {
if ($type == 'array' || is_array($v)) {
$v = null;
}
set_var($var[$k], $v, $type, $multibyte);
}
}
} else {
set_var($var, $var, $type, $multibyte);
}
return $var;
}
function get_username($user_id)
{
if (empty($user_id)) {
return is_array($user_id) ? array() : false;
}
if (is_array($user_id)) {
$usernames = array();
foreach (DB()->fetch_rowset("SELECT user_id, username FROM " . BB_USERS . " WHERE user_id IN(" . get_id_csv($user_id) . ")") as $row) {
$usernames[$row['user_id']] = $row['username'];
}
return $usernames;
} else {
$row = DB()->fetch_row("SELECT username FROM " . BB_USERS . " WHERE user_id = $user_id LIMIT 1");
return $row['username'];
}
}
function get_user_id($username)
{
if (empty($username)) {
return false;
}
$row = DB()->fetch_row("SELECT user_id FROM " . BB_USERS . " WHERE username = '" . DB()->escape($username) . "' LIMIT 1");
return $row['user_id'];
}
function str_short($text, $max_length, $space = ' ')
{
if ($max_length && mb_strlen($text, 'UTF-8') > $max_length) {
$text = mb_substr($text, 0, $max_length, 'UTF-8');
if ($last_space_pos = $max_length - (int)strpos(strrev($text), $space)) {
if ($last_space_pos > round($max_length * 3 / 4)) {
$last_space_pos--;
$text = mb_substr($text, 0, $last_space_pos, 'UTF-8');
}
}
$text .= '...';
$text = preg_replace('!&#?(\w+)?;?(\w{1,5})?\.\.\.$!', '...', $text);
}
return $text;
}
function wbr($text, $max_word_length = HTML_WBR_LENGTH)
{
return preg_replace("/([\w\->;:.,~!?(){}@#$%^*\/\\\\]{" . $max_word_length . "})/ui", '$1<wbr>', $text);
}
function get_bt_userdata($user_id)
{
if (!$btu = CACHE('bb_cache')->get('btu_' . $user_id)) {
$btu = DB()->fetch_row("
SELECT bt.*, SUM(tr.speed_up) AS speed_up, SUM(tr.speed_down) AS speed_down
FROM " . BB_BT_USERS . " bt
LEFT JOIN " . BB_BT_TRACKER . " tr ON (bt.user_id = tr.user_id)
WHERE bt.user_id = " . (int)$user_id . "
GROUP BY bt.user_id
LIMIT 1
");
CACHE('bb_cache')->set('btu_' . $user_id, $btu, 300);
}
return $btu;
}
function get_bt_ratio($btu)
{
return
(!empty($btu['u_down_total']) && $btu['u_down_total'] > MIN_DL_FOR_RATIO)
? round((($btu['u_up_total'] + $btu['u_up_release'] + $btu['u_up_bonus']) / $btu['u_down_total']), 2)
: null;
}
function show_bt_userdata($user_id)
{
global $lang, $template;
$btu = get_bt_userdata($user_id);
$template->assign_vars(array(
'SHOW_BT_USERDATA' => true,
'UP_TOTAL' => humn_size($btu['u_up_total']),
'UP_BONUS' => humn_size($btu['u_up_bonus']),
'RELEASED' => humn_size($btu['u_up_release']),
'DOWN_TOTAL' => humn_size($btu['u_down_total']),
'DOWN_TOTAL_BYTES' => $btu['u_down_total'],
'USER_RATIO' => get_bt_ratio($btu),
'MIN_DL_FOR_RATIO' => humn_size(MIN_DL_FOR_RATIO),
'MIN_DL_BYTES' => MIN_DL_FOR_RATIO,
'AUTH_KEY' => ($btu['auth_key']) ?: $lang['NONE'],
'TD_DL' => humn_size($btu['down_today']),
'TD_UL' => humn_size($btu['up_today']),
'TD_REL' => humn_size($btu['up_release_today']),
'TD_BONUS' => humn_size($btu['up_bonus_today']),
'TD_POINTS' => ($btu['auth_key']) ? $btu['points_today'] : '0.00',
'YS_DL' => humn_size($btu['down_yesterday']),
'YS_UL' => humn_size($btu['up_yesterday']),
'YS_REL' => humn_size($btu['up_release_yesterday']),
'YS_BONUS' => humn_size($btu['up_bonus_yesterday']),
'YS_POINTS' => ($btu['auth_key']) ? $btu['points_yesterday'] : '0.00',
'SPEED_UP' => humn_size($btu['speed_up'], 0, 'KB') . '/s',
'SPEED_DOWN' => humn_size($btu['speed_down'], 0, 'KB') . '/s',
));
}
function get_attachments_dir($cfg = null)
{
if (!$cfg and !$cfg = $GLOBALS['attach_config']) {
$cfg = bb_get_config(BB_ATTACH_CONFIG, true, false);
}
if ($cfg['upload_dir'][0] == '/' || ($cfg['upload_dir'][0] != '/' && $cfg['upload_dir'][1] == ':')) {
return $cfg['upload_dir'];
} else {
return BB_ROOT . $cfg['upload_dir'];
}
}
function bb_get_config($table, $from_db = false, $update_cache = true)
{
if ($from_db or !$cfg = CACHE('bb_config')->get("config_{$table}")) {
$cfg = array();
foreach (DB()->fetch_rowset("SELECT * FROM $table") as $row) {
$cfg[$row['config_name']] = $row['config_value'];
}
if ($update_cache) {
CACHE('bb_config')->set("config_{$table}", $cfg);
}
}
return $cfg;
}
function bb_update_config($params, $table = BB_CONFIG)
{
$updates = array();
foreach ($params as $name => $val) {
$updates[] = array(
'config_name' => $name,
'config_value' => $val,
);
}
$updates = DB()->build_array('MULTI_INSERT', $updates);
DB()->query("REPLACE INTO $table $updates");
// Update cache
bb_get_config($table, true, true);
}
function get_db_stat($mode)
{
switch ($mode) {
case 'usercount':
$sql = "SELECT COUNT(user_id) AS total FROM " . BB_USERS;
break;
case 'newestuser':
$sql = "SELECT user_id, username FROM " . BB_USERS . " WHERE user_id <> " . GUEST_UID . " ORDER BY user_id DESC LIMIT 1";
break;
case 'postcount':
case 'topiccount':
$sql = "SELECT SUM(forum_topics) AS topic_total, SUM(forum_posts) AS post_total FROM " . BB_FORUMS;
break;
}
if (!($result = DB()->sql_query($sql))) {
return false;
}
$row = DB()->sql_fetchrow($result);
switch ($mode) {
case 'usercount':
return $row['total'];
break;
case 'newestuser':
return $row;
break;
case 'postcount':
return $row['post_total'];
break;
case 'topiccount':
return $row['topic_total'];
break;
}
return false;
}
function clean_username($username)
{
$username = mb_substr(htmlspecialchars(str_replace("\'", "'", trim($username))), 0, 25, 'UTF-8');
$username = bb_rtrim($username, "\\");
$username = str_replace("'", "\'", $username);
return $username;
}
function bb_ltrim($str, $charlist = false)
{
if ($charlist === false) {
return ltrim($str);
}
$str = ltrim($str, $charlist);
return $str;
}
function bb_rtrim($str, $charlist = false)
{
if ($charlist === false) {
return rtrim($str);
}
$str = rtrim($str, $charlist);
return $str;
}
// Get Userdata, $u can be username or user_id. If $force_name is true, the username will be forced.
function get_userdata($u, $force_name = false, $allow_guest = false)
{
if (!$u) {
return false;
}
if ((int)$u == GUEST_UID && $allow_guest) {
if ($u_data = CACHE('bb_cache')->get('guest_userdata')) {
return $u_data;
}
}
$u_data = array();
$name_search = false;
$exclude_anon_sql = (!$allow_guest) ? "AND user_id != " . GUEST_UID : '';
if ($force_name || !is_numeric($u)) {
$name_search = true;
$where_sql = "WHERE username = '" . DB()->escape(clean_username($u)) . "'";
} else {
$where_sql = "WHERE user_id = " . (int)$u;
}
$sql = "SELECT * FROM " . BB_USERS . " $where_sql $exclude_anon_sql LIMIT 1";
if (!$u_data = DB()->fetch_row($sql)) {
if (!is_int($u) && !$name_search) {