Browse Source

cached bans with memcached (added Memcached option)

pull/40/head
Savetheinternet 12 years ago
parent
commit
e7a0eb14f4
  1. 17
      inc/config.php
  2. 12
      inc/database.php
  3. 124
      inc/functions.php
  4. 10
      mod.php

17
inc/config.php

@ -15,6 +15,7 @@
$config = Array(
'db' => Array(),
'memcached' => Array(),
'cookies' => Array(),
'error' => Array(),
'dir' => Array(),
@ -37,9 +38,21 @@
$config['db']['password'] = '';
// Tinyboard database
$config['db']['database'] = '';
// Use a persistent connection
$config['db']['persistent'] = false;
// Anything more to add to the DSN string (eg. port=xxx;foo=bar)
$config['db']['dsn'] = '';
// Timeout duration in seconds (not all drivers support this)
$config['db']['timeout'] = 5;
// Optional Memcached server for more cache/optimization (currently at debug state)
$config['memcached']['enabled'] = false;
// Memcached servers to use - http://www.php.net/manual/en/memcached.addservers.php
$config['memcached']['servers'] = Array(
Array('localhost', 11211)
);
// The name of the session cookie (PHP's $_SESSION)
$config['cookies']['session']= 'imgboard';
@ -608,6 +621,8 @@
// Link imageboard to your Google Analytics account to track users and provide marketing insights.
// $config['google_analytics'] = 'UA-xxxxxxx-yy';
// Keep the Google Analytics cookies to one domain -- ga._setDomainName()
// $config['google_analytics_domain'] = 'www.example.org';
if($_SERVER['SCRIPT_FILENAME'] == str_replace('\\', '/', __FILE__)) {
// You cannot request this file directly.

12
inc/database.php

@ -13,6 +13,9 @@
if(!empty($config['db']['dsn']))
$dsn .= ';' . $config['db']['dsn'];
try {
$options = Array(PDO::ATTR_TIMEOUT => $config['db']['timeout']);
if($config['db']['persistent'])
$options[PDO::ATTR_PERSISTENT] = true;
return $pdo = new PDO($dsn, $config['db']['user'], $config['db']['password']);
} catch(PDOException $e) {
$message = $e->getMessage();
@ -27,17 +30,22 @@
}
function sql_close() {
global $pdo;
$pdo = NULL;
global $pdo, $config;
if(!$config['db']['persistent'])
$pdo = NULL;
}
function prepare($query) {
global $pdo;
sql_open();
return $pdo->prepare($query);
}
function query($query) {
global $pdo;
sql_open();
return $pdo->query($query);
}

124
inc/functions.php

@ -91,6 +91,18 @@
if(preg_match('/^\:\:(ffff\:)?(\d+\.\d+\.\d+\.\d+)$/', $__ip, $m))
$_SERVER['REMOTE_ADDR'] = $m[2];
}
if($config['memcached']['enabled'])
memcached_open();
}
// Memcached
function memcached_open() {
global $memcached, $config;
if($memcached) return;
$memcached = new Memcached();
$memcached->addServers($config['memcached']['servers']);
}
function loadThemeConfig($_theme) {
@ -162,7 +174,7 @@
}
function openBoard($uri) {
sql_open();
$query = prepare("SELECT * FROM `boards` WHERE `uri` = :uri LIMIT 1");
$query->bindValue(':uri', $uri);
@ -232,40 +244,10 @@
return date('jS F, Y', $timestamp);
}
function checkBan() {
function displayBan($ban) {
global $config;
if(!isset($_SERVER['REMOTE_ADDR'])) {
// Server misconfiguration
return;
}
$query = prepare("SELECT * FROM `bans` WHERE `ip` = :ip ORDER BY `expires` IS NULL DESC, `expires` DESC, `expires` DESC LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
if($query->rowCount() < 1 && $config['ban_range']) {
$query = prepare("SELECT * FROM `bans` WHERE :ip REGEXP CONCAT('^', REPLACE(REPLACE(`ip`, '.', '\\.'), '*', '[0-9]*'), '$') ORDER BY `expires` IS NULL DESC, `expires` DESC LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
}
if($ban = $query->fetch()) {
if($ban['expires'] && $ban['expires'] < time()) {
// Ban expired
$query = prepare("DELETE FROM `bans` WHERE `ip` = :ip AND `expires` = :expires LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':expires', $ban['expires'], PDO::PARAM_INT);
$query->execute() or error(db_error($query));
if($config['ban_range']) {
$query = prepare("DELETE FROM `bans` WHERE :ip REGEXP CONCAT('^', REPLACE(REPLACE(`ip`, '.', '\\.'), '*', '[0-9a-f]*'), '$') AND `expires` = :expires LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':expires', $ban['expires'], PDO::PARAM_INT);
$query->execute() or error(db_error($query));
}
return;
}
$body = '<div class="ban">
$body = '<div class="ban">
<h2>You are banned! ;_;</h2>
<p>You have been banned ' .
($ban['reason'] ? 'for the following reason:' : 'for an unspecified reason.') .
@ -319,16 +301,62 @@
: '<em>will not expire</em>.' ) .
'</span></p>
<p>Your IP address is <strong>' . $_SERVER['REMOTE_ADDR'] . '</strong>.</p>
</div>';
</div>';
// Show banned page and exit
die(Element('page.html', Array(
'config' => $config,
'title' => 'Banned',
'subtitle' => 'You are banned!',
'body' => $body
)
));
}
function checkBan() {
global $config, $memcached;
if(!isset($_SERVER['REMOTE_ADDR'])) {
// Server misconfiguration
return;
}
if($config['memcached']['enabled']) {
// Cached ban?
if($ban = $memcached->get("ban_${_SERVER['REMOTE_ADDR']}")) {
displayBan($ban);
}
}
$query = prepare("SELECT * FROM `bans` WHERE `ip` = :ip ORDER BY `expires` IS NULL DESC, `expires` DESC, `expires` DESC LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
if($query->rowCount() < 1 && $config['ban_range']) {
$query = prepare("SELECT * FROM `bans` WHERE :ip REGEXP CONCAT('^', REPLACE(REPLACE(`ip`, '.', '\\.'), '*', '[0-9]*'), '$') ORDER BY `expires` IS NULL DESC, `expires` DESC LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
}
if($ban = $query->fetch()) {
if($ban['expires'] && $ban['expires'] < time()) {
// Ban expired
$query = prepare("DELETE FROM `bans` WHERE `ip` = :ip AND `expires` = :expires LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':expires', $ban['expires'], PDO::PARAM_INT);
$query->execute() or error(db_error($query));
if($config['ban_range']) {
$query = prepare("DELETE FROM `bans` WHERE :ip REGEXP CONCAT('^', REPLACE(REPLACE(`ip`, '.', '\\.'), '*', '[0-9a-f]*'), '$') AND `expires` = :expires LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':expires', $ban['expires'], PDO::PARAM_INT);
$query->execute() or error(db_error($query));
}
return;
}
// Show banned page and exit
die(Element('page.html', Array(
'config' => $config,
'title' => 'Banned',
'subtitle' => 'You are banned!',
'body' => $body
)
));
if($config['memcached']['enabled'])
$memcached->set("ban_${_SERVER['REMOTE_ADDR']}", $ban, $ban['expires']);
displayBan($ban);
}
}
@ -535,7 +563,7 @@
$body = '';
$offset = round($page*$config['threads_per_page']-$config['threads_per_page']);
sql_open();
$query = prepare(sprintf("SELECT * FROM `posts_%s` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC LIMIT ?,?", $board['uri']));
$query->bindValue(1, $offset, PDO::PARAM_INT);
@ -887,7 +915,7 @@
function buildIndex() {
global $board, $config;
sql_open();
$pages = getPages();
@ -1021,7 +1049,7 @@
if(count($cites[0]) > $config['max_cites']) {
error($config['error']['toomanycites']);
}
sql_open();
for($index=0;$index<count($cites[0]);$index++) {
$cite = $cites[2][$index];
$query = prepare(sprintf("SELECT `thread`,`id` FROM `posts_%s` WHERE `id` = :id LIMIT 1", $board['uri']));
@ -1043,7 +1071,7 @@
if(count($cites[0]) > $config['max_cites']) {
error($config['error']['toomanycross']);
}
sql_open();
for($index=0;$index<count($cites[0]);$index++) {
$_board = $cites[2][$index];
$cite = @$cites[3][$index];
@ -1389,8 +1417,8 @@
$image = false;
switch($type) {
case 'jpg':
case 'jpeg':
if(!$image = @imagecreatefromjpeg($source_pic)) {
case 'jpeg':
if(!$image = imagecreatefromjpeg($source_pic)) {
unlink($source_pic);
error($config['error']['invalidimg']);
}

10
mod.php

@ -1276,6 +1276,11 @@
$query = prepare("DELETE FROM `bans` WHERE `ip` = :ip");
$query->bindValue(':ip', $m[1]);
$query->execute() or error(db_error($query));
if($config['memcached']['enabled']) {
// Remove cached ban
$memcached->delete("ban_${m[1]}");
}
}
}
}
@ -1893,6 +1898,11 @@
$query = prepare("DELETE FROM `bans` WHERE `ip` = :ip");
$query->bindValue(':ip', $ip);
$query->execute() or error(db_error($query));
if($config['memcached']['enabled']) {
// Remove cached ban
$memcached->delete("ban_${ip}");
}
} elseif($mod['type'] >= $config['mod']['create_notes'] && isset($_POST['note'])) {
$query = prepare("INSERT INTO `ip_notes` VALUES(NULL, :ip, :mod, :time, :body)");
$query->bindValue(':ip', $ip);

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