Merge branch 'mod-rewrite'

Conflicts:
	inc/lib/Twig/Extensions/Extension/Tinyboard.php
	install.php
	mod.php
	stylesheets/style.css
	templates/index.html
	templates/page.html
	templates/thread.html

4 files changed, 2118 insertions, 0 deletions

diff --git a/inc/mod/auth.php b/inc/mod/auth.php
new file mode 100644
index 00000000..d200c23f
--- /dev/null
+++ b/inc/mod/auth.php
@@ -0,0 +1,152 @@
+<?php
+
+/*
+ *  Copyright (c) 2010-2012 Tinyboard Development Group
+ */
+
+if (realpath($_SERVER['SCRIPT_FILENAME']) == str_replace('\\', '/', __FILE__)) {
+	// You cannot request this file directly.
+	exit;
+}
+
+// create a hash/salt pair for validate logins
+function mkhash($username, $password, $salt = false) {
+	global $config;
+	
+	if (!$salt) {
+		// create some sort of salt for the hash
+		$salt = substr(base64_encode(sha1(rand() . time(), true) . $config['cookies']['salt']), 0, 15);
+		
+		$generated_salt = true;
+	}
+	
+	// generate hash (method is not important as long as it's strong)
+	$hash = substr(base64_encode(md5($username . sha1($username . $password . $salt . ($config['mod']['lock_ip'] ? $_SERVER['REMOTE_ADDR'] : ''), true), true)), 0, 20);
+	
+	if (isset($generated_salt))
+		return Array($hash, $salt);
+	else
+		return $hash;
+}
+
+function login($username, $password, $makehash=true) {
+	global $mod;
+	
+	// SHA1 password
+	if ($makehash) {
+		$password = sha1($password);
+	}
+	
+	$query = prepare("SELECT `id`,`type`,`boards` FROM `mods` WHERE `username` = :username AND `password` = :password LIMIT 1");
+	$query->bindValue(':username', $username);
+	$query->bindValue(':password', $password);
+	$query->execute() or error(db_error($query));
+	
+	if ($user = $query->fetch()) {
+		return $mod = Array(
+			'id' => $user['id'],
+			'type' => $user['type'],
+			'username' => $username,
+			'hash' => mkhash($username, $password),
+			'boards' => explode(',', $user['boards'])
+			);
+	} else return false;
+}
+
+function setCookies() {
+	global $mod, $config;
+	if (!$mod)
+		error('setCookies() was called for a non-moderator!');
+	
+	setcookie($config['cookies']['mod'],
+			$mod['username'] . // username
+			':' . 
+			$mod['hash'][0] . // password
+			':' .
+			$mod['hash'][1], // salt
+		time() + $config['cookies']['expire'], $config['cookies']['jail'] ? $config['cookies']['path'] : '/', null, false, true);
+}
+
+function destroyCookies() {
+	global $config;
+	// Delete the cookies
+	setcookie($config['cookies']['mod'], 'deleted', time() - $config['cookies']['expire'], $config['cookies']['jail']?$config['cookies']['path'] : '/', null, false, true);
+}
+
+function modLog($action, $_board=null) {
+	global $mod, $board, $config;
+	$query = prepare("INSERT INTO `modlogs` VALUES (:id, :ip, :board, :time, :text)");
+	$query->bindValue(':id', $mod['id'], PDO::PARAM_INT);
+	$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
+	$query->bindValue(':time', time(), PDO::PARAM_INT);
+	$query->bindValue(':text', $action);
+	if (isset($_board))
+		$query->bindValue(':board', $_board);
+	elseif (isset($board))
+		$query->bindValue(':board', $board['uri']);
+	else
+		$query->bindValue(':board', null, PDO::PARAM_NULL);
+	$query->execute() or error(db_error($query));
+	
+	if ($config['syslog'])
+		_syslog(LOG_INFO, '[mod/' . $mod['username'] . ']: ' . $action);
+}
+
+// Validate session
+
+if (isset($_COOKIE[$config['cookies']['mod']])) {
+	// Should be username:hash:salt
+	$cookie = explode(':', $_COOKIE[$config['cookies']['mod']]);
+	if (count($cookie) != 3) {
+		destroyCookies();
+		error($config['error']['malformed']);
+	}
+	
+	$query = prepare("SELECT `id`, `type`, `boards`, `password` FROM `mods` WHERE `username` = :username LIMIT 1");
+	$query->bindValue(':username', $cookie[0]);
+	$query->execute() or error(db_error($query));
+	$user = $query->fetch();
+	
+	// validate password hash
+	if ($cookie[1] != mkhash($cookie[0], $user['password'], $cookie[2])) {
+		// Malformed cookies
+		destroyCookies();
+		error($config['error']['malformed']);
+	}
+	
+	$mod = Array(
+		'id' => $user['id'],
+		'type' => $user['type'],
+		'username' => $cookie[0],
+		'boards' => explode(',', $user['boards'])
+	);
+}
+
+function create_pm_header() {
+	global $mod, $config;
+	
+	if ($config['cache']['enabled'] && ($header = cache::get('pm_unread_' . $mod['id'])) !== false) {
+		if ($header === true)
+			return false;
+	
+		return $header;
+	}
+	
+	$query = prepare("SELECT `id` FROM `pms` WHERE `to` = :id AND `unread` = 1");
+	$query->bindValue(':id', $mod['id'], PDO::PARAM_INT);
+	$query->execute() or error(db_error($query));
+	
+	if ($pm = $query->fetch())
+		$header = Array('id' => $pm['id'], 'waiting' => $query->rowCount() - 1);
+	else
+		$header = true;
+	
+	if ($config['cache']['enabled'])
+		cache::set('pm_unread_' . $mod['id'], $header);
+	
+	if ($header === true)
+		return false;
+	
+	return $header;
+}
+
diff --git a/inc/mod/ban.php b/inc/mod/ban.php
new file mode 100644
index 00000000..51befe27
--- /dev/null
+++ b/inc/mod/ban.php
@@ -0,0 +1,95 @@
+<?php
+
+/*
+ *  Copyright (c) 2010-2012 Tinyboard Development Group
+ */
+
+if (realpath($_SERVER['SCRIPT_FILENAME']) == str_replace('\\', '/', __FILE__)) {
+	// You cannot request this file directly.
+	exit;
+}
+
+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() + $expire;
+}
+
+function ban($mask, $reason, $length, $board) {
+	global $mod, $pdo;
+	
+	$query = prepare("INSERT INTO `bans` VALUES (NULL, :ip, :mod, :time, :expires, :reason, :board)");
+	$query->bindValue(':ip', $mask);
+	$query->bindValue(':mod', $mod['id']);
+	$query->bindValue(':time', time());
+	if ($reason !== '') {
+		markup($reason);
+		$query->bindValue(':reason', $reason);
+	} else
+		$query->bindValue(':reason', null, PDO::PARAM_NULL);
+	
+	if ($length > 0)
+		$query->bindValue(':expires', $length);
+	else
+		$query->bindValue(':expires', null, PDO::PARAM_NULL);
+	
+	if ($board)
+		$query->bindValue(':board', $board);
+	else
+		$query->bindValue(':board', null, PDO::PARAM_NULL);
+	
+	$query->execute() or error(db_error($query));
+	
+	modLog('Created a new ' .
+		($length > 0 ? preg_replace('/^(\d+) (\w+?)s?$/', '$1-$2', until($length)) : 'permanent') .
+		' ban (<small>#' . $pdo->lastInsertId() . '</small>) for ' .
+		(filter_var($mask, FILTER_VALIDATE_IP) !== false ? "<a href=\"?/IP/$mask\">$mask</a>" : utf8tohtml($mask)) .
+		' with ' . ($reason ? 'reason: ' . utf8tohtml($reason) . '' : 'no reason'));
+}
+
+function unban($id) {	
+	$query = prepare("DELETE FROM `bans` WHERE `id` = :id");
+	$query->bindValue(':id', $id);
+	$query->execute() or error(db_error($query));
+	
+	modLog("Removed ban #{$id}");
+}
+
diff --git a/inc/mod/config-editor.php b/inc/mod/config-editor.php
new file mode 100644
index 00000000..484bd908
--- /dev/null
+++ b/inc/mod/config-editor.php
@@ -0,0 +1,75 @@
+<?php
+
+function config_vars() {
+	global $config;
+	
+	$config_file = file('inc/config.php', FILE_IGNORE_NEW_LINES);
+	$conf = array();
+	
+	$var = array(
+		'name' => false,
+		'comment' => array(),
+		'default' => false,
+		'default_temp' => false
+	);
+	$temp_comment = false;
+	foreach ($config_file as $line) {
+		if ($temp_comment) {
+			$var['comment'][] = $temp_comment;
+			$temp_comment = false;
+		}
+		
+		if (preg_match('!^\s*// (.*)$!', $line, $matches)) {
+			if ($var['default'] !== false) {
+				$line = '';
+				$temp_comment = $matches[1];
+			} else {
+				$var['comment'][] = $matches[1];
+			}
+		} else if ($var['default_temp'] !== false) {
+			$var['default_temp'] .= "\n" . $line;
+		} elseif (preg_match('!^\s*\$config\[(.+?)\] = (.+?)(;( //.+)?)?$!', $line, $matches)) {
+			$var['name'] = explode('][', $matches[1]);
+			if (count($var['name']) == 1) {
+				$var['name'] = preg_replace('/^\'(.*)\'$/', '$1', end($var['name']));
+			} else {
+				foreach ($var['name'] as &$i)
+					$i = preg_replace('/^\'(.*)\'$/', '$1', $i);
+			}
+			
+			if (isset($matches[3]))
+				$var['default'] = $matches[2];
+			else
+				$var['default_temp'] = $matches[2];
+		}
+		
+		if (trim($line) === '') {
+			if ($var['name'] !== false) {
+				if ($var['default_temp'])
+					$var['default'] = $var['default_temp'];
+				
+				$temp = eval('return ' . $var['default'] . ';');
+				if (!isset($temp))
+					$var['type'] = 'unknown';
+				else
+					$var['type'] = gettype($temp);
+				
+				unset($var['default_temp']);
+				
+				if (!is_array($var['name']) || (end($var['name']) != '' && !in_array(reset($var['name']), array('stylesheets')))) {
+					$conf[] = $var;
+				}
+			}
+			
+			$var = array(
+				'name' => false,
+				'comment' => array(),
+				'default' => false,
+				'default_temp' => false
+			);
+		}
+	}
+	
+	return $conf;
+}
+
diff --git a/inc/mod/pages.php b/inc/mod/pages.php
new file mode 100644
index 00000000..ad69ae39
--- /dev/null
+++ b/inc/mod/pages.php
@@ -0,0 +1,1796 @@
+<?php
+
+/*
+ *  Copyright (c) 2010-2012 Tinyboard Development Group
+ */
+
+if (realpath($_SERVER['SCRIPT_FILENAME']) == str_replace('\\', '/', __FILE__)) {
+	// You cannot request this file directly.
+	exit;
+}
+
+function mod_page($title, $template, $args, $subtitle = false) {
+	global $config, $mod;
+	
+	echo Element('page.html', array(
+		'config' => $config,
+		'mod' => $mod,
+		'hide_dashboard_link' => $template == 'mod/dashboard.html',
+		'title' => $title,
+		'subtitle' => $subtitle,
+		'body' => Element($template,
+				array_merge(
+					array('config' => $config, 'mod' => $mod), 
+					$args
+				)
+			)
+		)
+	);
+}
+
+function mod_login() {
+	global $config;
+	
+	$args = array();
+	
+	if (isset($_POST['login'])) {
+		// Check if inputs are set and not empty
+		if (!isset($_POST['username'], $_POST['password']) || $_POST['username'] == '' || $_POST['password'] == '') {
+			$args['error'] = $config['error']['invalid'];
+		} elseif (!login($_POST['username'], $_POST['password'])) {
+			if ($config['syslog'])
+				_syslog(LOG_WARNING, 'Unauthorized login attempt!');
+			
+			$args['error'] = $config['error']['invalid'];
+		} else {
+			modLog('Logged in');
+			
+			// Login successful
+			// Set cookies
+			setCookies();
+			
+			header('Location: ?/', true, $config['redirect_http']);
+		}
+	}
+	
+	if (isset($_POST['username']))
+		$args['username'] = $_POST['username'];
+
+	mod_page(_('Login'), 'mod/login.html', $args);
+}
+
+function mod_confirm($request) {
+	mod_page(_('Confirm action'), 'mod/confirm.html', array('request' => $request));
+}
+
+function mod_logout() {
+	destroyCookies();
+	
+	header('Location: ?/', true, $config['redirect_http']);
+}
+
+function mod_dashboard() {
+	global $config, $mod;
+	
+	$args = array();
+	
+	$args['boards'] = listBoards();
+	
+	if (hasPermission($config['mod']['noticeboard'])) {
+		if (!$config['cache']['enabled'] || !$args['noticeboard'] = cache::get('noticeboard_preview')) {
+			$query = prepare("SELECT `noticeboard`.*, `username` FROM `noticeboard` LEFT JOIN `mods` ON `mods`.`id` = `mod` ORDER BY `id` DESC LIMIT :limit");
+			$query->bindValue(':limit', $config['mod']['noticeboard_dashboard'], PDO::PARAM_INT);
+			$query->execute() or error(db_error($query));
+			$args['noticeboard'] = $query->fetchAll(PDO::FETCH_ASSOC);
+			
+			if ($config['cache']['enabled'])
+				cache::set('noticeboard_preview', $args['noticeboard']);
+		}
+	}
+	
+	if (!$config['cache']['enabled'] || ($args['unread_pms'] = cache::get('pm_unreadcount_' . $mod['id'])) === false) {
+		$query = prepare('SELECT COUNT(*) FROM `pms` WHERE `to` = :id AND `unread` = 1');
+		$query->bindValue(':id', $mod['id']);
+		$query->execute() or error(db_error($query));
+		$args['unread_pms'] = $query->fetchColumn(0);
+		
+		if ($config['cache']['enabled'])
+			cache::set('pm_unreadcount_' . $mod['id'], $args['unread_pms']);
+	}
+	
+	$query = query('SELECT COUNT(*) FROM `reports`') or error(db_error($query));
+	$args['reports'] = $query->fetchColumn(0);
+	
+	if ($mod['type'] >= ADMIN && $config['check_updates']) {
+		if (!$config['version'])
+			error(_('Could not find current version! (Check .installed)'));
+		
+		if (isset($_COOKIE['update'])) {
+			$latest = unserialize($_COOKIE['update']);
+		} else {
+			$ctx = stream_context_create(array('http' => array('timeout' => 5)));
+			if ($code = @file_get_contents('http://tinyboard.org/version.txt', 0, $ctx)) {
+				eval($code);
+				if (preg_match('/v(\d+)\.(\d)\.(\d+)(-dev.+)?$/', $config['version'], $matches)) {
+					$current = array(
+						'massive' => (int) $matches[1],
+						'major' => (int) $matches[2],
+						'minor' => (int) $matches[3]
+					);
+					if (isset($m[4])) { 
+						// Development versions are always ahead in the versioning numbers
+						$current['minor'] --;
+					}
+					// Check if it's newer
+					if (!(	$latest['massive'] > $current['massive'] ||
+						$latest['major'] > $current['major'] ||
+							($latest['massive'] == $current['massive'] &&
+								$latest['major'] == $current['major'] &&
+								$latest['minor'] > $current['minor']
+							)))
+						$latest = false;
+				} else {
+					$latest = false;
+				}
+			} else {
+				// Couldn't get latest version
+				$latest = false;
+			}
+	
+			setcookie('update', serialize($latest), time() + $config['check_updates_time'], $config['cookies']['jail'] ? $config['cookies']['path'] : '/', null, false, true);
+		}
+		
+		if ($latest)
+			$args['newer_release'] = $latest;
+	}
+			
+	mod_page(_('Dashboard'), 'mod/dashboard.html', $args);
+}
+
+function mod_edit_board($boardName) {
+	global $board, $config;
+	
+	if (!openBoard($boardName))
+		error($config['error']['noboard']);
+	
+	if (!hasPermission($config['mod']['manageboards'], $board['uri']))
+			error($config['error']['noaccess']);
+	
+	if (isset($_POST['title'], $_POST['subtitle'])) {
+		if (isset($_POST['delete'])) {
+			if (!hasPermission($config['mod']['manageboards'], $board['uri']))
+				error($config['error']['deleteboard']);
+			
+			$query = prepare('DELETE FROM `boards` WHERE `uri` = :uri');
+			$query->bindValue(':uri', $board['uri']);
+			$query->execute() or error(db_error($query));
+			
+			modLog('Deleted board: ' . sprintf($config['board_abbreviation'], $board['uri']), false);
+			
+			// Delete entire board directory
+			rrmdir($board['uri'] . '/');
+			
+			// Delete posting table
+			$query = query(sprintf('DROP TABLE IF EXISTS `posts_%s`', $board['uri'])) or error(db_error());
+			
+			// Clear reports
+			$query = prepare('DELETE FROM `reports` WHERE `board` = :id');
+			$query->bindValue(':id', $board['uri'], PDO::PARAM_INT);
+			$query->execute() or error(db_error($query));
+			
+			// Delete from table
+			$query = prepare('DELETE FROM `boards` WHERE `uri` = :uri');
+			$query->bindValue(':uri', $board['uri'], PDO::PARAM_INT);
+			$query->execute() or error(db_error($query));
+			
+			$query = prepare("SELECT `board`, `post` FROM `cites` WHERE `target_board` = :board");
+			$query->bindValue(':board', $board['uri']);
+			$query->execute() or error(db_error($query));
+			while ($cite = $query->fetch(PDO::FETCH_ASSOC)) {
+				if ($board['uri'] != $cite['board']) {
+					if (!isset($tmp_board))
+						$tmp_board = $board;
+					openBoard($cite['board']);
+					rebuildPost($cite['post']);
+				}
+			}
+			
+			$query = prepare('DELETE FROM `cites` WHERE `board` = :board OR `target_board` = :board');
+			$query->bindValue(':board', $board['uri']);
+			$query->execute() or error(db_error($query));
+			
+			$query = prepare('DELETE FROM `antispam` WHERE `board` = :board');
+			$query->bindValue(':board', $board['uri']);
+			$query->execute() or error(db_error($query));
+		} else {
+			$query = prepare('UPDATE `boards` SET `title` = :title, `subtitle` = :subtitle WHERE `uri` = :uri');
+			$query->bindValue(':uri', $board['uri']);
+			$query->bindValue(':title', $_POST['title']);
+			$query->bindValue(':subtitle', $_POST['subtitle']);
+			$query->execute() or error(db_error($query));
+		}
+		
+		if ($config['cache']['enabled']) {
+			cache::delete('board_' . $board['uri']);
+			cache::delete('all_boards');
+		}
+		
+		rebuildThemes('boards');
+		
+		header('Location: ?/', true, $config['redirect_http']);
+	} else {
+		mod_page(sprintf('%s: ' . $config['board_abbreviation'], _('Edit board'), $board['uri']), 'mod/board.html', array('board' => $board));
+	}
+}
+
+function mod_new_board() {
+	global $config, $board;
+	
+	if (!hasPermission($config['mod']['newboard']))
+		error($config['error']['noaccess']);
+	
+	if (isset($_POST['uri'], $_POST['title'], $_POST['subtitle'])) {
+		if ($_POST['uri'] == '')
+			error(sprintf($config['error']['required'], 'URI'));
+		
+		if ($_POST['title'] == '')
+			error(sprintf($config['error']['required'], 'title'));
+		
+		if (!preg_match('/^\w+$/', $_POST['uri']))
+			error(sprintf($config['error']['invalidfield'], 'URI'));
+		
+		if (openBoard($_POST['uri'])) {
+			error(sprintf($config['error']['boardexists'], $board['url']));
+		}
+		
+		$query = prepare('INSERT INTO `boards` VALUES (:uri, :title, :subtitle)');
+		$query->bindValue(':uri', $_POST['uri']);
+		$query->bindValue(':title', $_POST['title']);
+		$query->bindValue(':subtitle', $_POST['subtitle']);
+		$query->execute() or error(db_error($query));
+		
+		modLog('Created a new board: ' . sprintf($config['board_abbreviation'], $_POST['uri']));
+		
+		if (!openBoard($_POST['uri']))
+			error(_("Couldn't open board after creation."));
+		
+		query(Element('posts.sql', array('board' => $board['uri']))) or error(db_error());
+		
+		if ($config['cache']['enabled'])
+			cache::delete('all_boards');
+		
+		// Build the board
+		buildIndex();
+		
+		rebuildThemes('boards');
+		
+		header('Location: ?/' . $board['uri'] . '/' . $config['file_index'], true, $config['redirect_http']);
+	}
+	
+	mod_page(_('New board'), 'mod/board.html', array('new' => true));
+}
+
+function mod_noticeboard($page_no = 1) {
+	global $config, $pdo, $mod;
+	
+	if ($page_no < 1)
+		error($config['error']['404']);
+	
+	if (!hasPermission($config['mod']['noticeboard']))
+		error($config['error']['noaccess']);
+	
+	if (isset($_POST['subject'], $_POST['body'])) {
+		if (!hasPermission($config['mod']['noticeboard_post']))
+			error($config['error']['noaccess']);
+		
+		markup($_POST['body']);
+		
+		$query = prepare('INSERT INTO `noticeboard` VALUES (NULL, :mod, :time, :subject, :body)');
+		$query->bindValue(':mod', $mod['id']);
+		$query->bindvalue(':time', time());
+		$query->bindValue(':subject', $_POST['subject']);
+		$query->bindValue(':body', $_POST['body']);
+		$query->execute() or error(db_error($query));
+		
+		if ($config['cache']['enabled'])
+			cache::delete('noticeboard_preview');
+		
+		modLog('Posted a noticeboard entry');
+		
+		header('Location: ?/noticeboard#' . $pdo->lastInsertId(), true, $config['redirect_http']);
+	}
+	
+	$query = prepare("SELECT `noticeboard`.*, `username` FROM `noticeboard` LEFT JOIN `mods` ON `mods`.`id` = `mod` ORDER BY `id` DESC LIMIT :offset, :limit");
+	$query->bindValue(':limit', $config['mod']['noticeboard_page'], PDO::PARAM_INT);
+	$query->bindValue(':offset', ($page_no - 1) * $config['mod']['noticeboard_page'], PDO::PARAM_INT);
+	$query->execute() or error(db_error($query));
+	$noticeboard = $query->fetchAll(PDO::FETCH_ASSOC);
+	
+	if (empty($noticeboard) && $page_no > 1)
+		error($config['error']['404']);
+	
+	$query = prepare("SELECT COUNT(*) FROM `noticeboard`");
+	$query->execute() or error(db_error($query));
+	$count = $query->fetchColumn(0);
+	
+	mod_page(_('Noticeboard'), 'mod/noticeboard.html', array('noticeboard' => $noticeboard, 'count' => $count));
+}
+
+function mod_noticeboard_delete($id) {
+	global $config;
+	
+	if (!hasPermission($config['mod']['noticeboard_delete']))
+			error($config['error']['noaccess']);
+	
+	$query = prepare('DELETE FROM `noticeboard` WHERE `id` = :id');
+	$query->bindValue(':id', $id);
+	$query->execute() or error(db_error($query));
+	
+	modLog('Deleted a noticeboard entry');
+	
+	header('Location: ?/noticeboard', true, $config['redirect_http']);
+}
+
+function mod_news($page_no = 1) {
+	global $config, $pdo, $mod;
+	
+	if ($page_no < 1)
+		error($config['error']['404']);
+	
+	if (isset($_POST['subject'], $_POST['body'])) {
+		if (!hasPermission($config['mod']['news']))
+			error($config['error']['noaccess']);
+		
+		markup($_POST['body']);
+		
+		$query = prepare('INSERT INTO `news` VALUES (NULL, :name, :time, :subject, :body)');
+		$query->bindValue(':name', isset($_POST['name']) && hasPermission($config['mod']['news_custom']) ? $_POST['name'] : $mod['username']);
+		$query->bindvalue(':time', time());
+		$query->bindValue(':subject', $_POST['subject']);
+		$query->bindValue(':body', $_POST['body']);
+		$query->execute() or error(db_error($query));
+		
+		modLog('Posted a news entry');
+		
+		rebuildThemes('news');
+		
+		header('Location: ?/news#' . $pdo->lastInsertId(), true, $config['redirect_http']);
+	}
+	
+	$query = prepare("SELECT * FROM `news` ORDER BY `id` DESC LIMIT :offset, :limit");
+	$query->bindValue(':limit', $config['mod']['news_page'], PDO::PARAM_INT);
+	$query->bindValue(':offset', ($page_no - 1) * $config['mod']['news_page'], PDO::PARAM_INT);
+	$query->execute() or error(db_error($query));
+	$news = $query->fetchAll(PDO::FETCH_ASSOC);
+	
+	if (empty($news) && $page_no > 1)
+		error($config['error']['404']);
+	
+	$query = prepare("SELECT COUNT(*) FROM `news`");
+	$query->execute() or error(db_error($query));
+	$count = $query->fetchColumn(0);
+	
+	mod_page(_('News'), 'mod/news.html', array('news' => $news, 'count' => $count));
+}
+
+function mod_news_delete($id) {
+	global $config;
+	
+	if (!hasPermission($config['mod']['news_delete']))
+			error($config['error']['noaccess']);
+	
+	$query = prepare('DELETE FROM `news` WHERE `id` = :id');
+	$query->bindValue(':id', $id);
+	$query->execute() or error(db_error($query));
+	
+	modLog('Deleted a news entry');
+	
+	header('Location: ?/news', true, $config['redirect_http']);
+}
+
+function mod_log($page_no = 1) {
+	global $config;
+	
+	if ($page_no < 1)
+		error($config['error']['404']);
+	
+	if (!hasPermission($config['mod']['modlog']))
+		error($config['error']['noaccess']);
+	
+	$query = prepare("SELECT `username`, `mod`, `ip`, `board`, `time`, `text` FROM `modlogs` LEFT JOIN `mods` ON `mod` = `mods`.`id` ORDER BY `time` DESC LIMIT :offset, :limit");
+	$query->bindValue(':limit', $config['mod']['modlog_page'], PDO::PARAM_INT);
+	$query->bindValue(':offset', ($page_no - 1) * $config['mod']['modlog_page'], PDO::PARAM_INT);
+	$query->execute() or error(db_error($query));
+	$logs = $query->fetchAll(PDO::FETCH_ASSOC);
+	
+	if (empty($logs) && $page_no > 1)
+		error($config['error']['404']);
+	
+	$query = prepare("SELECT COUNT(*) FROM `modlogs`");
+	$query->execute() or error(db_error($query));
+	$count = $query->fetchColumn(0);
+	
+	mod_page(_('Moderation log'), 'mod/log.html', array('logs' => $logs, 'count' => $count));
+}
+
+function mod_view_board($boardName, $page_no = 1) {
+	global $config, $mod;
+	
+	if (!openBoard($boardName))
+		error($config['error']['noboard']);
+	
+	if (!$page = index($page_no, $mod)) {
+		error($config['error']['404']);
+	}
+	
+	$page['pages'] = getPages(true);
+	$page['pages'][$page_no-1]['selected'] = true;
+	$page['btn'] = getPageButtons($page['pages'], true);
+	$page['mod'] = true;
+	$page['config'] = $config;
+	
+	echo Element('index.html', $page);
+}
+
+function mod_view_thread($boardName, $thread) {
+	global $config, $mod;
+	
+	if (!openBoard($boardName))
+		error($config['error']['noboard']);
+	
+	$page = buildThread($thread, true, $mod);
+	echo $page;
+}
+
+function mod_ip_remove_note($ip, $id) {
+	global $config, $mod;
+	
+	if (!hasPermission($config['mod']['remove_notes']))
+			error($config['error']['noaccess']);
+	
+	if (filter_var($ip, FILTER_VALIDATE_IP) === false)
+		error("Invalid IP address.");
+	
+	$query = prepare('DELETE FROM `ip_notes` WHERE `ip` = :ip AND `id` = :id');
+	$query->bindValue(':ip', $ip);
+	$query->bindValue(':id', $id);
+	$query->execute() or error(db_error($query));
+	
+	modLog("Removed a note for <a href=\"?/IP/{$ip}\">{$ip}</a>");
+	
+	header('Location: ?/IP/' . $ip . '#notes', true, $config['redirect_http']);
+}
+
+function mod_page_ip($ip) {
+	global $config, $mod;
+	
+	if (filter_var($ip, FILTER_VALIDATE_IP) === false)
+		error("Invalid IP address.");
+	
+	if (isset($_POST['ban_id'], $_POST['unban'])) {
+		if (!hasPermission($config['mod']['unban']))
+			error($config['error']['noaccess']);
+		
+		require_once 'inc/mod/ban.php';
+		
+		unban($_POST['ban_id']);
+		
+		header('Location: ?/IP/' . $ip . '#bans', true, $config['redirect_http']);
+		return;
+	}
+	
+	if (isset($_POST['note'])) {
+		if (!hasPermission($config['mod']['create_notes']))
+			error($config['error']['noaccess']);
+		
+		markup($_POST['note']);
+		$query = prepare('INSERT INTO `ip_notes` VALUES (NULL, :ip, :mod, :time, :body)');
+		$query->bindValue(':ip', $ip);
+		$query->bindValue(':mod', $mod['id']);
+		$query->bindValue(':time', time());
+		$query->bindValue(':body', $_POST['note']);
+		$query->execute() or error(db_error($query));
+		
+		modLog("Added a note for <a href=\"?/IP/{$ip}\">{$ip}</a>");
+		
+		header('Location: ?/IP/' . $ip . '#notes', true, $config['redirect_http']);
+		return;
+	}
+	
+	$args = array();
+	$args['ip'] = $ip;
+	$args['posts'] = array();
+	
+	if ($config['mod']['dns_lookup'])
+		$args['hostname'] = rDNS($ip);
+	
+	$boards = listBoards();
+	foreach ($boards as $board) {
+		openBoard($board['uri']);
+		
+		$query = prepare(sprintf('SELECT * FROM `posts_%s` WHERE `ip` = :ip ORDER BY `sticky` DESC, `id` DESC LIMIT :limit', $board['uri']));
+		$query->bindValue(':ip', $ip);
+		$query->bindValue(':limit', $config['mod']['ip_recentposts'], PDO::PARAM_INT);
+		$query->execute() or error(db_error($query));
+		
+		while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
+			if (!$post['thread']) {
+				// TODO: There is no reason why this should be such a fucking mess.
+				$po = new Thread(
+					$post['id'], $post['subject'], $post['email'], $post['name'], $post['trip'], $post['capcode'], $post['body'],
+					$post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'],
+					$post['fileheight'], $post['filesize'], $post['filename'], $post['ip'], $post['sticky'], $post['locked'],
+					$post['sage'], $post['embed'], '?/', $mod, false
+				);
+			} else {
+				$po = new Post(
+					$post['id'], $post['thread'], $post['subject'], $post['email'], $post['name'], $post['trip'], $post['capcode'],
+					$post['body'], $post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'],
+					$post['fileheight'], $post['filesize'], $post['filename'], $post['ip'],  $post['embed'], '?/', $mod
+				);
+			}
+			
+			if (!isset($args['posts'][$board['uri']]))
+				$args['posts'][$board['uri']] = array('board' => $board, 'posts' => array());
+			$args['posts'][$board['uri']]['posts'][] = $po->build(true);
+		}
+	}
+	
+	$args['boards'] = $boards;
+	
+	
+	if (hasPermission($config['mod']['view_ban'])) {
+		$query = prepare("SELECT `bans`.*, `username` FROM `bans` LEFT JOIN `mods` ON `mod` = `mods`.`id` WHERE `ip` = :ip");
+		$query->bindValue(':ip', $ip);
+		$query->execute() or error(db_error($query));
+		$args['bans'] = $query->fetchAll(PDO::FETCH_ASSOC);
+	}
+	
+	if (hasPermission($config['mod']['view_notes'])) {
+		$query = prepare("SELECT `ip_notes`.*, `username` FROM `ip_notes` LEFT JOIN `mods` ON `mod` = `mods`.`id` WHERE `ip` = :ip");
+		$query->bindValue(':ip', $ip);
+		$query->execute() or error(db_error($query));
+		$args['notes'] = $query->fetchAll(PDO::FETCH_ASSOC);
+	}
+	
+	mod_page(sprintf('%s: %s', _('IP'), $ip), 'mod/view_ip.html', $args, $args['hostname']);
+}
+
+function mod_ban() {
+	global $config;
+	
+	if (!hasPermission($config['mod']['ban']))
+		error($config['error']['noaccess']);
+	
+	if (!isset($_POST['ip'], $_POST['reason'], $_POST['length'], $_POST['board'])) {
+		mod_page(_('New ban'), 'mod/ban_form.html', array());
+		return;
+	}
+	
+	require_once 'inc/mod/ban.php';
+	
+	ban($_POST['ip'], $_POST['reason'], parse_time($_POST['length']), $_POST['board'] == '*' ? false : $_POST['board']);
+	
+	if (isset($_POST['redirect']))
+		header('Location: ' . $_POST['redirect'], true, $config['redirect_http']);
+	else
+		header('Location: ?/', true, $config['redirect_http']);
+}
+
+function mod_bans($page_no = 1) {
+	global $config;
+	
+	if ($page_no < 1)
+		error($config['error']['404']);
+	
+	if (!hasPermission($config['mod']['view_banlist']))
+		error($config['error']['noaccess']);
+	
+	if (isset($_POST['unban'])) {
+		if (!hasPermission($config['mod']['unban']))
+			error($config['error']['noaccess']);
+		
+		$unban = array();
+		foreach ($_POST as $name => $unused) {
+			if (preg_match('/^ban_(\d+)$/', $name, $match))
+				$unban[] = $match[1];
+		}
+		
+		if (!empty($unban)) {
+			query('DELETE FROM `bans` WHERE `id` = ' . implode(' OR `id` = ', $unban)) or error(db_error());
+		
+			foreach ($unban as $id) {
+				modLog("Removed ban #{$id}");
+			}
+		}
+		
+		header('Location: ?/bans', true, $config['redirect_http']);
+	}
+	
+	if ($config['mod']['view_banexpired']) {
+		$query = prepare("SELECT `bans`.*, `username` FROM `bans` LEFT JOIN `mods` ON `mod` = `mods`.`id` ORDER BY (`expires` IS NOT NULL AND `expires` < :time), `set` DESC LIMIT :offset, :limit");
+	} else {
+		// Filter out expired bans
+		$query = prepare("SELECT `bans`.*, `username` FROM `bans` INNER JOIN `mods` ON `mod` = `mods`.`id` WHERE `expires` = 0 OR `expires` > :time ORDER BY `set` DESC LIMIT :offset, :limit");
+	}
+	$query->bindValue(':time', time(), PDO::PARAM_INT);
+	$query->bindValue(':limit', $config['mod']['banlist_page'], PDO::PARAM_INT);
+	$query->bindValue(':offset', ($page_no - 1) * $config['mod']['banlist_page'], PDO::PARAM_INT);
+	$query->execute() or error(db_error($query));
+	$bans = $query->fetchAll(PDO::FETCH_ASSOC);
+	
+	if (empty($bans) && $page_no > 1)
+		error($config['error']['404']);
+	
+	$query = prepare("SELECT COUNT(*) FROM `bans`");
+	$query->execute() or error(db_error($query));
+	$count = $query->fetchColumn(0);
+	
+	foreach ($bans as &$ban) {
+		if (filter_var($ban['ip'], FILTER_VALIDATE_IP) !== false)
+			$ban['real_ip'] = true;
+	}
+	
+	mod_page(_('Ban list'), 'mod/ban_list.html', array('bans' => $bans, 'count' => $count));
+}
+
+
+function mod_lock($board, $unlock, $post) {
+	global $config;
+	
+	if (!openBoard($board))
+		error($config['error']['noboard']);
+	
+	if (!hasPermission($config['mod']['lock'], $board))
+		error($config['error']['noaccess']);
+	
+	$query = prepare(sprintf('UPDATE `posts_%s` SET `locked` = :locked WHERE `id` = :id AND `thread` IS NULL', $board));
+	$query->bindValue(':id', $post);
+	$query->bindValue(':locked', $unlock ? 0 : 1);
+	$query->execute() or error(db_error($query));
+	if ($query->rowCount()) {
+		modLog(($unlock ? 'Unlocked' : 'Locked') . " thread #{$post}");
+		buildThread($post);
+		buildIndex();
+	}
+	
+	header('Location: ?/' . sprintf($config['board_path'], $board) . $config['file_index'], true, $config['redirect_http']);
+}
+
+function mod_sticky($board, $unsticky, $post) {
+	global $config;
+	
+	if (!openBoard($board))
+		error($config['error']['noboard']);
+	
+	if (!hasPermission($config['mod']['sticky'], $board))
+		error($config['error']['noaccess']);
+	
+	$query = prepare(sprintf('UPDATE `posts_%s` SET `sticky` = :sticky WHERE `id` = :id AND `thread` IS NULL', $board));
+	$query->bindValue(':id', $post);
+	$query->bindValue(':sticky', $unsticky ? 0 : 1);
+	$query->execute() or error(db_error($query));
+	if ($query->rowCount()) {
+		modLog(($unlock ? 'Unstickied' : 'Stickied') . " thread #{$post}");
+		buildThread($post);
+		buildIndex();
+	}
+	
+	header('Location: ?/' . sprintf($config['board_path'], $board) . $config['file_index'], true, $config['redirect_http']);
+}
+
+function mod_bumplock($board, $unbumplock, $post) {
+	global $config;
+	
+	if (!openBoard($board))
+		error($config['error']['noboard']);
+	
+	if (!hasPermission($config['mod']['bumplock'], $board))
+		error($config['error']['noaccess']);
+	
+	$query = prepare(sprintf('UPDATE `posts_%s` SET `sage` = :bumplock WHERE `id` = :id AND `thread` IS NULL', $board));
+	$query->bindValue(':id', $post);
+	$query->bindValue(':bumplock', $unbumplock ? 0 : 1);
+	$query->execute() or error(db_error($query));
+	if ($query->rowCount()) {
+		modLog(($unlock ? 'Unbumplocked' : 'Bumplocked') . " thread #{$post}");
+		buildThread($post);
+		buildIndex();
+	}
+	
+	header('Location: ?/' . sprintf($config['board_path'], $board) . $config['file_index'], true, $config['redirect_http']);
+}
+
+function mod_move($originBoard, $postID) {
+	global $board, $config, $mod;
+	
+	if (!openBoard($originBoard))
+		error($config['error']['noboard']);
+	
+	if (!hasPermission($config['mod']['move'], $originBoard))
+		error($config['error']['noaccess']);
+	
+	$query = prepare(sprintf('SELECT * FROM `posts_%s` WHERE `id` = :id AND `thread` IS NULL', $originBoard));
+	$query->bindValue(':id', $postID);
+	$query->execute() or error(db_error($query));
+	if (!$post = $query->fetch(PDO::FETCH_ASSOC))
+		error($config['error']['404']);
+	
+	if (isset($_POST['board'])) {
+		$targetBoard = $_POST['board'];
+		$shadow = isset($_POST['shadow']);
+		
+		if ($targetBoard === $originBoard)
+			error(_('Target and source board are the same.'));
+		
+		// copy() if leaving a shadow thread behind; else, rename().
+		$clone = $shadow ? 'copy' : 'rename';
+		
+		// indicate that the post is a thread
+		$post['op'] = true;
+		
+		if ($post['file']) {
+			$post['has_file'] = true;
+			$post['width'] = &$post['filewidth'];
+			$post['height'] = &$post['fileheight'];
+			
+			$file_src = sprintf($config['board_path'], $board['uri']) . $config['dir']['img'] . $post['file'];
+			$file_thumb = sprintf($config['board_path'], $board['uri']) . $config['dir']['thumb'] . $post['thumb'];
+		} else {
+			$post['has_file'] = false;
+		}
+		
+		// allow thread to keep its same traits (stickied, locked, etc.)
+		$post['mod'] = true;
+		
+		if (!openBoard($targetBoard))
+			error($config['error']['noboard']);
+		
+		// create the new thread
+		$newID = post($post);
+		
+		if ($post['has_file']) {
+			// copy image
+			$clone($file_src, sprintf($config['board_path'], $board['uri']) . $config['dir']['img'] . $post['file']);
+			$clone($file_thumb, sprintf($config['board_path'], $board['uri']) . $config['dir']['thumb'] . $post['thumb']);
+		}
+		
+		// go back to the original board to fetch replies
+		openBoard($originBoard);
+		
+		$query = prepare(sprintf('SELECT * FROM `posts_%s` WHERE `thread` = :id ORDER BY `id`', $originBoard));
+		$query->bindValue(':id', $postID, PDO::PARAM_INT);
+		$query->execute() or error(db_error($query));
+		
+		$replies = array();
+		
+		while ($post = $query->fetch()) {
+			$post['mod'] = true;
+			$post['thread'] = $newID;
+			
+			if ($post['file']) {
+				$post['has_file'] = true;
+				$post['width'] = &$post['filewidth'];
+				$post['height'] = &$post['fileheight'];
+				
+				$post['file_src'] = sprintf($config['board_path'], $board['uri']) . $config['dir']['img'] . $post['file'];
+				$post['file_thumb'] = sprintf($config['board_path'], $board['uri']) . $config['dir']['thumb'] . $post['thumb'];
+			} else {
+				$post['has_file'] = false;
+			}
+			
+			$replies[] = $post;
+		}
+		
+		$newIDs = array($postID => $newID);
+		
+		openBoard($targetBoard);
+		
+		foreach ($replies as &$post) {
+			$query = prepare('SELECT `target` FROM `cites` WHERE `target_board` = :board AND `board` = :board AND `post` = :post');
+			$query->bindValue(':board', $originBoard);
+			$query->bindValue(':post', $post['id'], PDO::PARAM_INT);
+			$query->execute() or error(db_error($qurey));
+			
+			// correct >>X links
+			while ($cite = $query->fetch(PDO::FETCH_ASSOC)) {
+				if (isset($newIDs[$cite['target']])) {
+					$post['body_nomarkup'] = preg_replace(
+							'/(>>(>\/' . preg_quote($originBoard, '/') . '\/)?)' . preg_quote($cite['target'], '/') . '/',
+							'>>' . $newIDs[$cite['target']],
+							$post['body_nomarkup']);
+					
+					$post['body'] = $post['body_nomarkup'];
+				}
+			}
+			
+			$post['body'] = $post['body_nomarkup'];
+			
+			$post['op'] = false;
+			$post['tracked_cites'] = markup($post['body'], true);
+			
+			// insert reply
+			$newIDs[$post['id']] = $newPostID = post($post);
+			
+			if ($post['has_file']) {
+				// copy image
+				$clone($post['file_src'], sprintf($config['board_path'], $board['uri']) . $config['dir']['img'] . $post['file']);
+				$clone($post['file_thumb'], sprintf($config['board_path'], $board['uri']) . $config['dir']['thumb'] . $post['thumb']);
+			}
+			
+			foreach ($post['tracked_cites'] as $cite) {
+				$query = prepare('INSERT INTO `cites` VALUES (:board, :post, :target_board, :target)');
+				$query->bindValue(':board', $board['uri']);
+				$query->bindValue(':post', $newPostID, PDO::PARAM_INT);
+				$query->bindValue(':target_board',$cite[0]);
+				$query->bindValue(':target', $cite[1], PDO::PARAM_INT);
+				$query->execute() or error(db_error($query));
+			}
+		}
+		
+		// build new hread
+		buildThread($newID);
+		buildIndex();
+		
+		// trigger themes
+		rebuildThemes('post');
+		
+		// return to original board
+		openBoard($originBoard);
+		
+		if ($shadow) {
+			// lock old thread
+			$query = prepare(sprintf('UPDATE `posts_%s` SET `locked` = 1 WHERE `id` = :id', $originBoard));
+			$query->bindValue(':id', $postID, PDO::PARAM_INT);
+			$query->execute() or error(db_error($query));
+			
+			// leave a reply, linking to the new thread
+			$post = array(
+				'mod' => true,
+				'subject' => '',
+				'email' => '',
+				'name' => $config['mod']['shadow_name'],
+				'capcode' => $config['mod']['shadow_capcode'],
+				'trip' => '',
+				'password' => '',
+				'has_file' => false,
+				// attach to original thread
+				'thread' => $postID,
+				'op' => false
+			);
+			
+			$post['body'] = $post['body_nomarkup'] =  sprintf($config['mod']['shadow_mesage'], '>>>/' . $targetBoard . '/' . $newID);
+			
+			markup($post['body']);
+			
+			$botID = post($post);
+			buildThread($postID);
+			
+			buildIndex();
+			
+			header('Location: ?/' . sprintf($config['board_path'], $originBoard) . $config['dir']['res'] .sprintf($config['file_page'], $postID) .
+				'#' . $botID, true, $config['redirect_http']);
+		} else {
+			deletePost($postID);
+			buildIndex();
+			
+			openBoard($targetBoard);
+			header('Location: ?/' . sprintf($config['board_path'], $board['uri']) . $config['dir']['res'] . sprintf($config['file_page'], $newID), true, $config['redirect_http']);
+		}
+	}
+	
+	$boards = listBoards();
+	if (count($boards) <= 1)
+		error(_('Impossible to move thread; there is only one board.'));
+	
+	mod_page(_('Move thread'), 'mod/move.html', array('post' => $postID, 'board' => $originBoard, 'boards' => $boards));
+}
+
+function mod_ban_post($board, $delete, $post) {
+	global $config, $mod;
+	
+	if (!openBoard($board))
+		error($config['error']['noboard']);
+	
+	if (!hasPermission($config['mod']['delete'], $board))
+		error($config['error']['noaccess']);
+	
+	$query = prepare(sprintf('SELECT `ip`, `thread` FROM `posts_%s` WHERE `id` = :id', $board));
+	$query->bindValue(':id', $post);
+	$query->execute() or error(db_error($query));
+	if (!$_post = $query->fetch(PDO::FETCH_ASSOC))
+		error($config['error']['404']);
+	
+	$thread = $_post['thread'];
+	$ip = $_post['ip'];
+	
+	if (isset($_POST['new_ban'], $_POST['reason'], $_POST['length'], $_POST['board'])) {
+		require_once 'inc/mod/ban.php';
+		
+		if (isset($_POST['ip']))
+			$ip = $_POST['ip'];
+		
+		ban($ip, $_POST['reason'], parse_time($_POST['length']), $_POST['board'] == '*' ? false : $_POST['board']);
+		
+		if (isset($_POST['public_message'], $_POST['message'])) {
+			// public ban message
+			$query = prepare(sprintf('UPDATE `posts_%s` SET `body` = CONCAT(`body`, :body) WHERE `id` = :id', $board));
+			$query->bindValue(':id', $post);
+			$query->bindValue(':body', sprintf($config['mod']['ban_message'], utf8tohtml($_POST['message'])));
+			$query->execute() or error(db_error($query));
+			
+			modLog("Attached a public ban message to post #{$post}: " . utf8tohtml($_POST['message']));
+			buildThread($thread ? $thread : $post);
+			buildIndex();
+		} elseif (isset($_POST['delete']) && (int) $_POST['delete']) {
+			// Delete post
+			deletePost($post);
+			modLog("Deleted post #{$post}");
+			// Rebuild board
+			buildIndex();
+		}
+		
+		header('Location: ?/' . sprintf($config['board_path'], $board) . $config['file_index'], true, $config['redirect_http']);
+	}
+	
+	$args = array(
+		'ip' => $ip,
+		'hide_ip' => !hasPermission($config['mod']['show_ip'], $board),
+		'post' => $post,
+		'board' => $board,
+		'delete' => (bool)$delete,
+		'boards' => listBoards()
+	);
+	
+	mod_page(_('New ban'), 'mod/ban_form.html', $args);
+}
+
+function mod_delete($board, $post) {
+	global $config, $mod;
+	
+	if (!openBoard($board))
+		error($config['error']['noboard']);
+	
+	if (!hasPermission($config['mod']['delete'], $board))
+		error($config['error']['noaccess']);
+	
+	// Delete post
+	deletePost($post);
+	// Record the action
+	modLog("Deleted post #{$post}");
+	// Rebuild board
+	buildIndex();
+	
+	// Redirect
+	header('Location: ?/' . sprintf($config['board_path'], $board) . $config['file_index'], true, $config['redirect_http']);
+}
+
+function mod_deletefile($board, $post) {
+	global $config, $mod;
+	
+	if (!openBoard($board))
+		error($config['error']['noboard']);
+	
+	if (!hasPermission($config['mod']['deletefile'], $board))
+		error($config['error']['noaccess']);
+	
+	// Delete file
+	deleteFile($post);
+	// Record the action
+	modLog("Deleted file from post #{$post}");
+	// Rebuild thread
+	buildThread($post);
+	// Rebuild board
+	buildIndex();
+	
+	// Redirect
+	header('Location: ?/' . sprintf($config['board_path'], $board) . $config['file_index'], true, $config['redirect_http']);
+}
+
+function mod_deletebyip($boardName, $post, $global = false) {
+	global $config, $mod, $board;
+	
+	$global = (bool)$global;
+	
+	if (!openBoard($boardName))
+		error($config['error']['noboard']);
+	
+	if (!$global && !hasPermission($config['mod']['deletebyip'], $boardName))
+		error($config['error']['noaccess']);
+	
+	if ($global && !hasPermission($config['mod']['deletebyip_global'], $boardName))
+		error($config['error']['noaccess']);
+	
+	// Find IP address
+	$query = prepare(sprintf('SELECT `ip` FROM `posts_%s` WHERE `id` = :id', $boardName));
+	$query->bindValue(':id', $post);
+	$query->execute() or error(db_error($query));
+	if (!$ip = $query->fetchColumn(0))
+		error($config['error']['invalidpost']);
+	
+	$boards = $global ? listBoards() : array(array('uri' => $boardName));
+	
+	$query = '';
+	foreach ($boards as $_board) {
+		$query .= sprintf("SELECT `id`, '%s' AS `board` FROM `posts_%s` WHERE `ip` = :ip UNION ALL ", $_board['uri'], $_board['uri']);
+	}
+	$query = preg_replace('/UNION ALL $/', '', $query);
+	
+	$query = prepare($query);
+	$query->bindValue(':ip', $ip);
+	$query->execute() or error(db_error($query));
+	
+	if ($query->rowCount() < 1)
+		error($config['error']['invalidpost']);
+	
+	$boards = array();
+	while ($post = $query->fetch()) {
+		openBoard($post['board']);
+		$boards[] = $post['board'];
+		
+		deletePost($post['id'], false);
+	}
+	
+	$boards = array_unique($boards);
+	
+	foreach ($boards as $_board) {
+		openBoard($_board);
+		buildIndex();
+	}
+	
+	if ($global) {
+		$board = false;
+	}
+	
+	// Record the action
+	modLog("Deleted all posts by IP address: <a href=\"?/IP/$ip\">$ip</a>");
+	
+	// Redirect
+	header('Location: ?/' . sprintf($config['board_path'], $boardName) . $config['file_index'], true, $config['redirect_http']);
+}
+
+function mod_user($uid) {
+	global $config, $mod;
+	
+	if (!hasPermission($config['mod']['editusers']) && !(hasPermission($config['mod']['change_password']) && $uid == $mod['id']))
+		error($config['error']['noaccess']);
+	
+	$query = prepare('SELECT * FROM `mods` WHERE `id` = :id');
+	$query->bindValue(':id', $uid);
+	$query->execute() or error(db_error($query));
+	if (!$user = $query->fetch(PDO::FETCH_ASSOC))
+		error($config['error']['404']);
+	
+	if (hasPermission($config['mod']['editusers']) && isset($_POST['username'], $_POST['password'])) {
+		if (isset($_POST['allboards'])) {
+			$boards = array('*');
+		} else {
+			$_boards = listBoards();
+			foreach ($_boards as &$board) {
+				$board = $board['uri'];
+			}
+		
+			$boards = array();
+			foreach ($_POST as $name => $value) {
+				if (preg_match('/^board_(\w+)$/', $name, $matches) && in_array($matches[1], $_boards))
+					$boards[] = $matches[1];
+			}
+		}
+		
+		if (isset($_POST['delete'])) {
+			if (!hasPermission($config['mod']['deleteusers']))
+				error($config['error']['noaccess']);
+			
+			$query = prepare('DELETE FROM `mods` WHERE `id` = :id');
+			$query->bindValue(':id', $uid);
+			$query->execute() or error(db_error($query));
+			
+			modLog('Deleted user ' . utf8tohtml($user['username']) . ' <small>(#' . $user['id'] . ')</small>');
+			
+			header('Location: ?/users', true, $config['redirect_http']);
+			
+			return;
+		}
+		
+		if ($_POST['username'] == '')
+			error(sprintf($config['error']['required'], 'username'));
+		
+		$query = prepare('UPDATE `mods` SET `username` = :username, `boards` = :boards WHERE `id` = :id');
+		$query->bindValue(':id', $uid);
+		$query->bindValue(':username', $_POST['username']);
+		$query->bindValue(':boards', implode(',', $boards));
+		$query->execute() or error(db_error($query));
+		
+		if ($user['username'] !== $_POST['username']) {
+			// account was renamed
+			modLog('Renamed user "' . utf8tohtml($user['username']) . '" <small>(#' . $user['id'] . ')</small> to "' . utf8tohtml($_POST['username']) . '"');
+		}
+		
+		if ($_POST['password'] != '') {
+			$query = prepare('UPDATE `mods` SET `password` = SHA1(:password) WHERE `id` = :id');
+			$query->bindValue(':id', $uid);
+			$query->bindValue(':password', $_POST['password']);
+			$query->execute() or error(db_error($query));
+			
+			modLog('Changed password for ' . utf8tohtml($_POST['username']) . ' <small>(#' . $user['id'] . ')</small>');
+			
+			if ($uid == $mod['id']) {
+				login($_POST['username'], $_POST['password']);
+				setCookies();
+			}
+		}
+		
+		if (hasPermission($config['mod']['manageusers']))
+			header('Location: ?/users', true, $config['redirect_http']);
+		else
+			header('Location: ?/', true, $config['redirect_http']);
+		
+		return;
+	}
+	
+	if (hasPermission($config['mod']['change_password']) && $uid == $mod['id'] && isset($_POST['password'])) {
+		if ($_POST['password'] != '') {
+			$query = prepare('UPDATE `mods` SET `password` = SHA1(:password) WHERE `id` = :id');
+			$query->bindValue(':id', $uid);
+			$query->bindValue(':password', $_POST['password']);
+			$query->execute() or error(db_error($query));
+			
+			modLog('Changed own password');
+			
+			login($user['username'], $_POST['password']);
+			setCookies();
+		}
+		
+		if (hasPermission($config['mod']['manageusers']))
+			header('Location: ?/users', true, $config['redirect_http']);
+		else
+			header('Location: ?/', true, $config['redirect_http']);
+		
+		return;
+	}
+	
+	if (hasPermission($config['mod']['modlog'])) {
+		$query = prepare('SELECT * FROM `modlogs` WHERE `mod` = :id ORDER BY `time` DESC LIMIT 5');
+		$query->bindValue(':id', $uid);
+		$query->execute() or error(db_error($query));
+		$log = $query->fetchAll(PDO::FETCH_ASSOC);
+	} else {
+		$log = array();
+	}
+	
+	$user['boards'] = explode(',', $user['boards']);
+	
+	mod_page(_('Edit user'), 'mod/user.html', array('user' => $user, 'logs' => $log, 'boards' => listBoards()));
+}
+
+function mod_user_new() {
+	global $pdo, $config;
+	
+	if (!hasPermission($config['mod']['createusers']))
+		error($config['error']['noaccess']);
+	
+	if (isset($_POST['username'], $_POST['password'], $_POST['type'])) {
+		if ($_POST['username'] == '')
+			error(sprintf($config['error']['required'], 'username'));
+		if ($_POST['password'] == '')
+			error(sprintf($config['error']['required'], 'password'));
+		
+		if (isset($_POST['allboards'])) {
+			$boards = array('*');
+		} else {
+			$_boards = listBoards();
+			foreach ($_boards as &$board) {
+				$board = $board['uri'];
+			}
+			
+			$boards = array();
+			foreach ($_POST as $name => $value) {
+				if (preg_match('/^board_(\w+)$/', $name, $matches) && in_array($matches[1], $_boards))
+					$boards[] = $matches[1];
+			}
+		}
+		
+		$_POST['type'] = (int) $_POST['type'];
+		if ($_POST['type'] !== JANITOR && $_POST['type'] !== MOD && $_POST['type'] !== ADMIN)
+			error(sprintf($config['error']['invalidfield'], 'type'));
+		
+		$query = prepare('INSERT INTO `mods` VALUES (NULL, :username, SHA1(:password), :type, :boards)');
+		$query->bindValue(':username', $_POST['username']);
+		$query->bindValue(':password', $_POST['password']);
+		$query->bindValue(':type', $_POST['type']);
+		$query->bindValue(':boards', implode(',', $boards));
+		$query->execute() or error(db_error($query));
+		
+		$userID = $pdo->lastInsertId();
+		
+		modLog('Created a new user: ' . utf8tohtml($_POST['username']) . ' <small>(#' . $userID . ')</small>');
+		
+		header('Location: ?/users', true, $config['redirect_http']);
+		return;
+	}
+		
+	mod_page(_('Edit user'), 'mod/user.html', array('new' => true, 'boards' => listBoards()));
+}
+
+
+function mod_users() {
+	global $config;
+	
+	if (!hasPermission($config['mod']['manageusers']))
+		error($config['error']['noaccess']);
+	
+	$query = query("SELECT *, (SELECT `time` FROM `modlogs` WHERE `mod` = `id` ORDER BY `time` DESC LIMIT 1) AS `last`, (SELECT `text` FROM `modlogs` WHERE `mod` = `id` ORDER BY `time` DESC LIMIT 1) AS `action` FROM `mods` ORDER BY `type` DESC,`id`") or error(db_error());
+	$users = $query->fetchAll(PDO::FETCH_ASSOC);
+	
+	mod_page(sprintf('%s (%d)', _('Manage users'), count($users)), 'mod/users.html', array('users' => $users));
+}
+
+function mod_user_promote($uid, $action) {
+	global $config;
+	
+	if (!hasPermission($config['mod']['promoteusers']))
+		error($config['error']['noaccess']);
+	
+	$query = prepare("UPDATE `mods` SET `type` = `type` " . ($action == 'promote' ? "+1 WHERE `type` < " . (int)ADMIN : "-1 WHERE `type` > " . (int)JANITOR) . " AND `id` = :id");
+	$query->bindValue(':id', $uid);
+	$query->execute() or error(db_error($query));
+	
+	modLog(($action == 'promote' ? 'Promoted' : 'Demoted') . " user #{$uid}");
+	
+	header('Location: ?/users', true, $config['redirect_http']);
+}
+
+function mod_pm($id, $reply = false) {
+	global $mod, $config;
+	
+	if ($reply && !hasPermission($config['mod']['create_pm']))
+		error($config['error']['noaccess']);
+	
+	$query = prepare("SELECT `mods`.`username`, `mods_to`.`username` AS `to_username`, `pms`.* FROM `pms` LEFT JOIN `mods` ON `mods`.`id` = `sender` LEFT JOIN `mods` AS `mods_to` ON `mods_to`.`id` = `to` WHERE `pms`.`id` = :id");
+	$query->bindValue(':id', $id);
+	$query->execute() or error(db_error($query));
+	
+	if ((!$pm = $query->fetch(PDO::FETCH_ASSOC)) || ($pm['to'] != $mod['id'] && !hasPermission($config['mod']['master_pm'])))
+		error($config['error']['404']);
+	
+	if (isset($_POST['delete'])) {
+		$query = prepare("DELETE FROM `pms` WHERE `id` = :id");
+		$query->bindValue(':id', $id);
+		$query->execute() or error(db_error($query));
+		
+		if ($config['cache']['enabled']) {
+			cache::delete('pm_unread_' . $mod['id']);
+			cache::delete('pm_unreadcount_' . $mod['id']);
+		}
+		
+		header('Location: ?/', true, $config['redirect_http']);
+		return;
+	}
+	
+	if ($pm['unread'] && $pm['to'] == $mod['id']) {
+		$query = prepare("UPDATE `pms` SET `unread` = 0 WHERE `id` = :id");
+		$query->bindValue(':id', $id);
+		$query->execute() or error(db_error($query));
+		
+		if ($config['cache']['enabled']) {
+			cache::delete('pm_unread_' . $mod['id']);
+			cache::delete('pm_unreadcount_' . $mod['id']);
+		}
+		
+		modLog('Read a PM');
+	}
+	
+	if ($reply) {
+		if (!$pm['to_username'])
+			error($config['error']['404']); // deleted?
+		
+		mod_page(sprintf('%s %s', _('New PM for'), $pm['to_username']), 'mod/new_pm.html', array(
+			'username' => $pm['username'], 'id' => $pm['sender'], 'message' => quote($pm['message'])
+		));
+	} else {
+		mod_page(sprintf('%s &ndash; #%d', _('Private message'), $id), 'mod/pm.html', $pm);
+	}
+}
+
+function mod_inbox() {
+	global $config, $mod;
+	
+	$query = prepare('SELECT `unread`,`pms`.`id`, `time`, `sender`, `to`, `message`, `username` FROM `pms` LEFT JOIN `mods` ON `mods`.`id` = `sender` WHERE `to` = :mod ORDER BY `unread` DESC, `time` DESC');
+	$query->bindValue(':mod', $mod['id']);
+	$query->execute() or error(db_error($query));
+	$messages = $query->fetchAll(PDO::FETCH_ASSOC);
+	
+	$query = prepare('SELECT COUNT(*) FROM `pms` WHERE `to` = :mod AND `unread` = 1');
+	$query->bindValue(':mod', $mod['id']);
+	$query->execute() or error(db_error($query));
+	$unread = $query->fetchColumn(0);
+	
+	foreach ($messages as &$message) {
+		$message['snippet'] = pm_snippet($message['message']);
+	}
+	
+	mod_page(sprintf('%s (%s)', _('PM inbox'), count($messages) > 0 ? $unread . ' unread' : 'empty'), 'mod/inbox.html', array(
+		'messages' => $messages,
+		'unread' => $unread
+	));
+}
+
+
+function mod_new_pm($username) {
+	global $config, $mod;
+	
+	if (!hasPermission($config['mod']['create_pm']))
+		error($config['error']['noaccess']);
+	
+	$query = prepare("SELECT `id` FROM `mods` WHERE `username` = :username");
+	$query->bindValue(':username', $username);
+	$query->execute() or error(db_error($query));
+	if (!$id = $query->fetchColumn(0)) {
+		// Old style ?/PM: by user ID
+		$query = prepare("SELECT `username` FROM `mods` WHERE `id` = :username");
+		$query->bindValue(':username', $username);
+		$query->execute() or error(db_error($query));
+		if ($username = $query->fetchColumn(0))
+			header('Location: ?/new_PM/' . $username, true, $config['redirect_http']);
+		else
+			error($config['error']['404']);
+	}
+	
+	if (isset($_POST['message'])) {
+		markup($_POST['message']);
+		
+		$query = prepare("INSERT INTO `pms` VALUES (NULL, :me, :id, :message, :time, 1)");
+		$query->bindValue(':me', $mod['id']);
+		$query->bindValue(':id', $id);
+		$query->bindValue(':message', $_POST['message']);
+		$query->bindValue(':time', time());
+		$query->execute() or error(db_error($query));
+		
+		if ($config['cache']['enabled']) {
+			cache::delete('pm_unread_' . $id);
+			cache::delete('pm_unreadcount_' . $id);
+		}
+		
+		modLog('Sent a PM to ' . utf8tohtml($username));
+		
+		header('Location: ?/', true, $config['redirect_http']);
+	}
+	
+	mod_page(sprintf('%s %s', _('New PM for'), $username), 'mod/new_pm.html', array('username' => $username, 'id' => $id));
+}
+
+function mod_rebuild() {
+	global $config, $twig;
+	
+	if (!hasPermission($config['mod']['rebuild']))
+		error($config['error']['noaccess']);
+	
+	if (isset($_POST['rebuild'])) {
+		$log = array();
+		$boards = listBoards();
+		$rebuilt_scripts = array();
+		
+		if (isset($_POST['rebuild_cache'])) {
+			if ($config['cache']['enabled']) {
+				$log[] = 'Flushing cache';
+				Cache::flush();
+			}
+			
+			$log[] = 'Clearing template cache';
+			load_twig();
+			$twig->clearCacheFiles();
+		}
+		
+		if (isset($_POST['rebuild_themes'])) {
+			$log[] = 'Regenerating theme files';
+			rebuildThemes('all');
+		}
+		
+		if (isset($_POST['rebuild_javascript'])) {
+			$log[] = 'Rebuilding <strong>' . $config['file_script'] . '</strong>';
+			buildJavascript();
+			$rebuilt_scripts[] = $config['file_script'];
+		}
+		
+		foreach ($boards as $board) {
+			if (!(isset($_POST['boards_all']) || isset($_POST['board_' . $board['uri']])))
+				continue;
+			
+			openBoard($board['uri']);
+			
+			if (isset($_POST['rebuild_index'])) {
+				buildIndex();
+				$log[] = '<strong>' . sprintf($config['board_abbreviation'], $board['uri']) . '</strong>: Creating index pages';
+			}
+			
+			if (isset($_POST['rebuild_javascript']) && !in_array($config['file_script'], $rebuilt_scripts)) {
+				$log[] = '<strong>' . sprintf($config['board_abbreviation'], $board['uri']) . '</strong>: Rebuilding <strong>' . $config['file_script'] . '</strong>';
+				buildJavascript();
+				$rebuilt_scripts[] = $config['file_script'];
+			}
+			
+			if (isset($_POST['rebuild_thread'])) {
+				$query = query(sprintf("SELECT `id` FROM `posts_%s` WHERE `thread` IS NULL", $board['uri'])) or error(db_error());
+				while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
+					$log[] = '<strong>' . sprintf($config['board_abbreviation'], $board['uri']) . '</strong>: Rebuilding thread #' . $post['id'];
+					buildThread($post['id']);
+				}
+			}
+		}
+		
+		mod_page(_('Rebuild'), 'mod/rebuilt.html', array('logs' => $log));
+		return;
+	}
+	
+	mod_page(_('Rebuild'), 'mod/rebuild.html', array('boards' => listBoards()));
+}
+
+function mod_reports() {
+	global $config, $mod;
+	
+	if (!hasPermission($config['mod']['reports']))
+		error($config['error']['noaccess']);
+	
+	$query = prepare("SELECT * FROM `reports` ORDER BY `time` DESC LIMIT :limit");
+	$query->bindValue(':limit', $config['mod']['recent_reports'], PDO::PARAM_INT);
+	$query->execute() or error(db_error($query));
+	$reports = $query->fetchAll(PDO::FETCH_ASSOC);
+	
+	$report_queries = array();
+	foreach ($reports as $report) {
+		if (!isset($report_queries[$report['board']]))
+			$report_queries[$report['board']] = array();
+		$report_queries[$report['board']][] = $report['post'];
+	}
+	
+	$report_posts = array();
+	foreach ($report_queries as $board => $posts) {
+		$report_posts[$board] = array();
+		
+		$query = query(sprintf('SELECT * FROM `posts_%s` WHERE `id` = ' . implode(' OR `id` = ', $posts), $board)) or error(db_error());
+		while ($post = $query->fetch()) {
+			$report_posts[$board][$post['id']] = $post;
+		}
+	}
+	
+	$count = 0;
+	$body = '';
+	foreach ($reports as $report) {
+		if (!isset($report_posts[$report['board']][$report['post']])) {
+			// // Invalid report (post has since been deleted)
+			$query = prepare("DELETE FROM `reports` WHERE `post` = :id AND `board` = :board");
+			$query->bindValue(':id', $report['post'], PDO::PARAM_INT);
+			$query->bindValue(':board', $report['board']);
+			$query->execute() or error(db_error($query));
+			continue;
+		}
+		
+		openBoard($report['board']);
+		
+		$post = &$report_posts[$report['board']][$report['post']];
+		
+		if (!$post['thread']) {
+			// Still need to fix this:
+			$po = new Thread(
+				$post['id'], $post['subject'], $post['email'], $post['name'], $post['trip'],
+				$post['capcode'], $post['body'], $post['time'], $post['thumb'],
+				$post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'],
+				$post['fileheight'], $post['filesize'], $post['filename'], $post['ip'], $post['sticky'],
+				$post['locked'], $post['sage'], $post['embed'], '?/', $mod, false
+			);
+		} else {
+			$po = new Post(
+				$post['id'], $post['thread'], $post['subject'], $post['email'], $post['name'], $post['trip'], $post['capcode'],
+				$post['body'], $post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'],
+				$post['fileheight'], $post['filesize'], $post['filename'], $post['ip'], $post['embed'], '?/', $mod
+			);
+		}
+		
+		// a little messy and inefficient
+		$append_html = Element('mod/report.html', array('report' => $report, 'config' => $config, 'mod' => $mod));
+		
+		// Bug fix for https://github.com/savetheinternet/Tinyboard/issues/21
+		$po->body = truncate($po->body, $po->link(), $config['body_truncate'] - substr_count($append_html, '<br>'));
+		
+		if (mb_strlen($po->body) + mb_strlen($append_html) > $config['body_truncate_char']) {
+			// still too long; temporarily increase limit in the config
+			$__old_body_truncate_char = $config['body_truncate_char'];
+			$config['body_truncate_char'] = mb_strlen($po->body) + mb_strlen($append_html);
+		}
+		
+		$po->body .= $append_html;
+		
+		$body .= $po->build(true) . '<hr>';
+		
+		if (isset($__old_body_truncate_char))
+			$config['body_truncate_char'] = $__old_body_truncate_char;
+		
+		$count++;
+	}
+	
+	mod_page(sprintf('%s (%d)', _('Report queue'), $count), 'mod/reports.html', array('reports' => $body, 'count' => $count));
+}
+
+function mod_report_dismiss($id, $all = false) {
+	global $config;
+	
+	$query = prepare("SELECT `post`, `board`, `ip` FROM `reports` WHERE `id` = :id");
+	$query->bindValue(':id', $id);
+	$query->execute() or error(db_error($query));
+	if ($report = $query->fetch(PDO::FETCH_ASSOC)) {
+		$ip = $report['ip'];
+		$board = $report['board'];
+		$post = $report['post'];
+	} else
+		error($config['error']['404']);
+	
+	if (!$all && !hasPermission($config['mod']['report_dismiss'], $board))
+		error($config['error']['noaccess']);
+	
+	if ($all && !hasPermission($config['mod']['report_dismiss_ip'], $board))
+		error($config['error']['noaccess']);
+	
+	if ($all) {
+		$query = prepare("DELETE FROM `reports` WHERE `ip` = :ip");
+		$query->bindValue(':ip', $ip);
+	} else {
+		$query = prepare("DELETE FROM `reports` WHERE `id` = :id");
+		$query->bindValue(':id', $id);
+	}
+	$query->execute() or error(db_error($query));
+	
+	
+	if ($all)
+		modLog("Dismissed all reports by <a href=\"?/IP/$ip\">$ip</a>");
+	else
+		modLog("Dismissed a report for post #{$id}", $board);
+	
+	header('Location: ?/reports', true, $config['redirect_http']);
+}
+
+
+function mod_config() {
+	global $config, $mod;
+	
+	if (!hasPermission($config['mod']['edit_config']))
+		error($config['error']['noaccess']);
+	
+	require_once 'inc/mod/config-editor.php';
+	
+	$conf = config_vars();
+	
+	foreach ($conf as &$var) {
+		if (is_array($var['name'])) {
+			$c = &$config;
+			foreach ($var['name'] as $n)
+				$c = &$c[$n];
+		} else {
+			$c = $config[$var['name']];
+		}
+		
+		$var['value'] = $c;
+	}
+	unset($var);
+	
+	if (isset($_POST['save'])) {
+		$config_append = '';
+		
+		foreach ($conf as $var) {
+			$field_name = 'cf_' . (is_array($var['name']) ? implode('/', $var['name']) : $var['name']);
+			
+			if ($var['type'] == 'boolean')
+				$value = isset($_POST[$field_name]);
+			elseif (isset($_POST[$field_name]))
+				$value = $_POST[$field_name];
+			else
+				continue; // ???
+			
+			if (!settype($value, $var['type']))
+				continue; // invalid
+			
+			if ($value != $var['value']) {
+				// This value has been changed.
+				
+				$config_append .= '$config';
+				
+				if (is_array($var['name'])) {
+					foreach ($var['name'] as $name)
+						$config_append .= '[' . var_export($name, true) . ']';
+				} else {
+					$config_append .= '[' . var_export($var['name'], true) . ']';
+				}
+				
+				$config_append .= ' = ' . var_export($value, true) . ";\n";
+			}
+		}
+		
+		if (!empty($config_append)) {
+			$config_append = "\n// Changes made via web editor by \"" . $mod['username'] . "\" @ " . date('r') . ":\n" . $config_append . "\n";
+		
+			if (!@file_put_contents('inc/instance-config.php', $config_append, FILE_APPEND)) {
+				$config_append = htmlentities($config_append);
+				
+				if ($config['minify_html'])
+					$config_append = str_replace("\n", '&#010;', $config_append);
+				$page = array();
+				$page['title'] = 'Cannot write to file!';
+				$page['config'] = $config;
+				$page['body'] = '
+					<p style="text-align:center">Tinyboard could not write to <strong>inc/instance-config.php</strong> with the ammended configuration, probably due to a permissions error.</p>
+					<p style="text-align:center">You may proceed with these changes manually by copying and pasting the following code to the end of <strong>inc/instance-config.php</strong>:</p>
+					<textarea style="width:700px;height:370px;margin:auto;display:block;background:white;color:black" readonly>' . $config_append . '</textarea>
+				';
+				echo Element('page.html', $page);
+				exit;
+			}
+		}
+		
+		header('Location: ?/', true, $config['redirect_http']);
+		
+		exit;
+	}
+	
+	mod_page(_('Config editor'), 'mod/config-editor.html', array('conf' => $conf));
+}
+
+function mod_debug_antispam() {
+	global $pdo, $config;
+	
+	$args = array();
+	
+	if (isset($_POST['board'], $_POST['thread'])) {
+		$where = '`board` = ' . $pdo->quote($_POST['board']);
+		if ($_POST['thread'] != '')
+			$where .= ' AND `thread` = ' . $pdo->quote($_POST['thread']);
+		
+		if (isset($_POST['purge'])) {
+			$query = prepare('UPDATE `antispam` SET `expires` = UNIX_TIMESTAMP() + :expires WHERE' . $where);
+			$query->bindValue(':expires', $config['spam']['hidden_inputs_expire']);
+			$query->execute() or error(db_error());
+		}
+		
+		$args['board'] = $_POST['board'];
+		$args['thread'] = $_POST['thread'];
+	} else {
+		$where = '';
+	}
+	
+	$query = query('SELECT COUNT(*) FROM `antispam`' . ($where ? " WHERE $where" : '')) or error(db_error());
+	$args['total'] = number_format($query->fetchColumn(0));
+	
+	$query = query('SELECT COUNT(*) FROM `antispam` WHERE `expires` IS NOT NULL' . ($where ? " AND $where" : '')) or error(db_error());
+	$args['expiring'] = number_format($query->fetchColumn(0));
+	
+	$query = query('SELECT * FROM `antispam` ' . ($where ? "WHERE $where" : '') . ' ORDER BY `passed` DESC LIMIT 40') or error(db_error());
+	$args['top'] = $query->fetchAll(PDO::FETCH_ASSOC);
+	
+	mod_page(_('Debug: Anti-spam'), 'mod/debug/antispam.html', $args);
+}
+
+function mod_themes_list() {
+	global $config;
+
+	if (!hasPermission($config['mod']['themes']))
+		error($config['error']['noaccess']);
+
+	if(!is_dir($config['dir']['themes']))
+		error(_('Themes directory doesn\'t exist!'));
+	if(!$dir = opendir($config['dir']['themes']))
+		error(_('Cannot open themes directory; check permissions.'));
+
+	$query = query('SELECT `theme` FROM `theme_settings` WHERE `name` IS NULL AND `value` IS NULL') or error(db_error());
+	$themes_in_use = $query->fetchAll(PDO::FETCH_COLUMN);
+
+	// Scan directory for themes
+	$themes = array();
+	while ($file = readdir($dir)) {
+		if ($file[0] != '.' && is_dir($config['dir']['themes'] . '/' . $file)) {
+			$themes[$file] = loadThemeConfig($file);
+		}
+	}
+	closedir($dir);
+
+	mod_page(_('Manage themes'), 'mod/themes.html', array(
+		'themes' => $themes,
+		'themes_in_use' => $themes_in_use,
+	));
+}
+
+function mod_theme_configure($theme_name) {
+	global $config;
+
+	if (!hasPermission($config['mod']['themes']))
+		error($config['error']['noaccess']);
+
+	if(!$theme = loadThemeConfig($theme_name)) {
+		error($config['error']['invalidtheme']);
+	}
+
+	if(isset($_POST['install'])) {
+		// Check if everything is submitted
+		foreach($theme['config'] as &$conf) {
+			if(!isset($_POST[$conf['name']]) && $conf['type'] != 'checkbox')
+				error(sprintf($config['error']['required'], $c['title']));
+		}
+		
+		// Clear previous settings
+		$query = prepare("DELETE FROM `theme_settings` WHERE `theme` = :theme");
+		$query->bindValue(':theme', $theme_name);
+		$query->execute() or error(db_error($query));
+		
+		foreach($theme['config'] as &$conf) {
+			$query = prepare("INSERT INTO `theme_settings` VALUES(:theme, :name, :value)");
+			$query->bindValue(':theme', $theme_name);
+			$query->bindValue(':name', $conf['name']);
+			$query->bindValue(':value', $_POST[$conf['name']]);
+			$query->execute() or error(db_error($query));
+		}
+		
+		$query = prepare("INSERT INTO `theme_settings` VALUES(:theme, NULL, NULL)");
+		$query->bindValue(':theme', $theme_name);
+		$query->execute() or error(db_error($query));
+		
+		$result = true;
+		$message = false;
+		if(isset($theme['install_callback'])) {
+			$ret = $theme['install_callback'](themeSettings($theme_name));
+			if($ret && !empty($ret)) {
+				if(is_array($ret) && count($ret) == 2) {
+					$result = $ret[0];
+					$message = $ret[1];
+				}
+			}
+		}
+		
+		if(!$result) {
+			// Install failed
+			$query = prepare("DELETE FROM `theme_settings` WHERE `theme` = :theme");
+			$query->bindValue(':theme', $theme_name);
+			$query->execute() or error(db_error($query));
+		}
+		
+		// Build themes
+		rebuildThemes('all');
+		
+		mod_page(sprintf(_($result ? 'Installed theme: %s' : 'Installation failed: %s'), $theme['name']), 'mod/theme_installed.html', array(
+			'theme_name' => $theme_name,
+			'theme' => $theme,
+			'result' => $result,
+			'message' => $message,
+		));
+	}
+
+	$settings = themeSettings($theme_name);
+
+	mod_page(sprintf(_('Configuring theme: %s'), $theme['name']), 'mod/theme_config.html', array(
+		'theme_name' => $theme_name,
+		'theme' => $theme,
+		'settings' => $settings,
+	));
+}
+
+function mod_theme_uninstall($theme_name) {
+	global $config;
+
+	if (!hasPermission($config['mod']['themes']))
+		error($config['error']['noaccess']);
+	
+	$query = prepare("DELETE FROM `theme_settings` WHERE `theme` = :theme");
+	$query->bindValue(':theme', $theme_name);
+	$query->execute() or error(db_error($query));
+
+	header('Location: ?/themes', true, $config['redirect_http']);
+}
+
+function mod_theme_rebuild($theme_name) {
+	global $config;
+
+	if (!hasPermission($config['mod']['themes']))
+		error($config['error']['noaccess']);
+	
+	rebuildTheme($theme_name, 'all');
+
+	mod_page(sprintf(_('Rebuilt theme: %s'), $theme_name), 'mod/theme_rebuilt.html', array(
+		'theme_name' => $theme_name,
+	));
+}