284 lines
9.5 KiB
PHP
284 lines
9.5 KiB
PHP
<?php
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if($_SERVER['SCRIPT_FILENAME'] == str_replace('\\', '/', __FILE__)) {
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// You cannot request this file directly.
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header('Location: ../', true, 302);
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exit;
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}
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// create a hash/salt pair for validate logins
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function mkhash($username, $password, $salt = false) {
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global $config;
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if(!$salt) {
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// create some sort of salt for the hash
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$salt = substr(base64_encode(sha1(rand() . time(), true) . $config['cookies']['salt']), 0, 15);
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$generated_salt = true;
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}
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// generate hash (method is not important as long as it's strong)
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$hash = substr(base64_encode(md5($username . sha1($username . $password . $salt . ($config['mod']['lock_ip'] ? $_SERVER['REMOTE_ADDR'] : ''), true), true)), 0, 20);
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if(isset($generated_salt))
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return Array($hash, $salt);
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else
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return $hash;
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}
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function login($username, $password, $makehash=true) {
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global $mod;
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// SHA1 password
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if($makehash) {
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$password = sha1($password);
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}
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$query = prepare("SELECT `id`,`type`,`boards` FROM `mods` WHERE `username` = :username AND `password` = :password LIMIT 1");
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$query->bindValue(':username', $username);
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$query->bindValue(':password', $password);
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$query->execute() or error(db_error($query));
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if($user = $query->fetch()) {
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return $mod = Array(
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'id' => $user['id'],
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'type' => $user['type'],
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'username' => $username,
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'hash' => mkhash($username, $password),
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'boards' => explode(',', $user['boards'])
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);
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} else return false;
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}
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function setCookies() {
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global $mod, $config;
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if(!$mod)
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error('setCookies() was called for a non-moderator!');
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setcookie($config['cookies']['mod'],
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$mod['username'] . // username
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':' .
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$mod['hash'][0] . // password
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':' .
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$mod['hash'][1], // salt
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time() + $config['cookies']['expire'], $config['cookies']['jail'] ? $config['cookies']['path'] : '/', null, false, true);
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}
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function destroyCookies() {
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global $config;
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// Delete the cookies
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setcookie($config['cookies']['mod'], 'deleted', time() - $config['cookies']['expire'], $config['cookies']['jail']?$config['cookies']['path'] : '/', null, false, true);
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}
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function create_pm_header() {
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global $mod;
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$query = prepare("SELECT `id` FROM `pms` WHERE `to` = :id AND `unread` = 1");
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$query->bindValue(':id', $mod['id'], PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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if($pm = $query->fetch()) {
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return Array('id' => $pm['id'], 'waiting' => $query->rowCount() - 1);
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}
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return false;
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}
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function modLog($action, $_board=null) {
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global $mod, $board, $config;
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$query = prepare("INSERT INTO `modlogs` VALUES (:id, :ip, :board, :time, :text)");
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$query->bindValue(':id', $mod['id'], PDO::PARAM_INT);
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$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
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$query->bindValue(':time', time(), PDO::PARAM_INT);
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$query->bindValue(':text', $action);
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if(isset($_board))
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$query->bindValue(':board', $_board);
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elseif(isset($board))
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$query->bindValue(':board', $board['id']);
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else
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$query->bindValue(':board', null, PDO::PARAM_NULL);
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$query->execute() or error(db_error($query));
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if($config['syslog'])
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_syslog(LOG_INFO, '[mod/' . $mod['username'] . ']: ' . $action);
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}
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// Generates a <ul> element with a list of linked
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// boards and their subtitles. (without the <ul> opening and ending tags)
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function ulBoards() {
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global $mod, $config;
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$body = '';
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// List of boards
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$boards = listBoards();
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foreach($boards as &$b) {
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$body .= '<li>' .
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'<a href="?/' .
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sprintf($config['board_path'], $b['uri']) . $config['file_index'] .
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'">' .
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sprintf($config['board_abbreviation'], $b['uri']) .
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'</a> - ' .
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$b['title'] .
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(isset($b['subtitle']) ? '<span class="unimportant"> — ' . $b['subtitle'] . '</span>' : '') .
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($mod['type'] >= $config['mod']['manageboards'] ?
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' <a href="?/board/' . $b['uri'] . '" class="unimportant">[manage]</a>' : '') .
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'</li>';
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}
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if($mod['type'] >= $config['mod']['newboard']) {
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$body .= '<li style="margin-top:15px;"><a href="?/new"><strong>' . _('Create new board') . '</strong></a></li>';
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}
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return $body;
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}
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function form_newBan($ip=null, $reason='', $continue=false, $delete=false, $board=false, $allow_public = false) {
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global $config, $mod;
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$boards = listBoards();
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$__boards = '<li><input type="radio" checked="checked" name="board_id" id="board_*" value="-1"/> <label style="display:inline" for="board_*"><em>' . _('all boards') . '</em></label></li>';
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foreach($boards as &$_board) {
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$__boards .= '<li>' .
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'<input type="radio" name="board_id" id="board_' . $_board['uri'] . '" value="' . $_board['id'] . '">' .
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'<label style="display:inline" for="board_' . $_board['uri'] . '"> ' .
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($_board['uri'] == '*' ?
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'<em>"*"</em>'
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:
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sprintf($config['board_abbreviation'], $_board['uri'])
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) .
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' - ' . $_board['title'] .
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'</label>' .
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'</li>';
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}
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return '<fieldset><legend>New ban</legend>' .
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'<form action="?/ban" method="post">' .
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($continue ? '<input type="hidden" name="continue" value="' . htmlentities($continue) . '" />' : '') .
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($delete || $allow_public ? '<input type="hidden" name="' . (!$allow_public ? 'delete' : 'post') . '" value="' . htmlentities($delete) . '" />' : '') .
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($board ? '<input type="hidden" name="board" value="' . htmlentities($board) . '" />' : '') .
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'<table>' .
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'<tr>' .
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'<th><label for="ip">IP ' .
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($config['ban_cidr'] ? '<span class="unimportant">(or subnet)' : '') .
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'</span></label></th>' .
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'<td><input type="text" name="ip" id="ip" size="30" maxlength="30" ' .
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(isset($ip) ?
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'value="' . htmlentities($ip) . '" ' : ''
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) .
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'/></td>' .
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'</tr>' .
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'<tr>' .
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'<th><label for="reason">Reason</label></th>' .
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'<td><textarea name="reason" id="reason" rows="5" cols="30">' .
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htmlentities($reason) .
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'</textarea></td>' .
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'</tr>' .
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($mod['type'] >= $config['mod']['public_ban'] && $allow_public ?
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'<tr>' .
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'<th><label for="message">Message</label></th>' .
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'<td><input type="checkbox" id="public_message" name="public_message"/>' .
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' <input type="text" name="message" id="message" size="35" maxlength="200" value="' . htmlentities($config['mod']['default_ban_message']) . '" />' .
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' <span class="unimportant">(public; attached to post)</span></td>' .
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'<script type="text/javascript">' .
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'document.getElementById(\'message\').disabled = true;' .
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'document.getElementById(\'public_message\').onchange = function() {' .
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'document.getElementById(\'message\').disabled = !this.checked;' .
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'}' .
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'</script>' .
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'</tr>'
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: '') .
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'<tr>' .
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'<th><label for="length">Length</label></th>' .
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'<td><input type="text" name="length" id="length" size="20" maxlength="40" />' .
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' <span class="unimportant">(eg. "2d1h30m" or "2 days")</span></td>' .
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'</tr>' .
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'<tr>' .
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'<th>Board</th>' .
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'<td><ul style="list-style:none;padding:2px 5px">' . $__boards . '</tl></td>' .
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'</tr>' .
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'<tr>' .
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'<td></td>' .
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'<td><input name="new_ban" type="submit" value="New Ban" /></td>' .
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'</tr>' .
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'</table>' .
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'</form>' .
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'</fieldset>';
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}
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function form_newBoard() {
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return '<fieldset><legend>New board</legend>' .
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'<form action="?/new" method="post">' .
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'<table>' .
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'<tr>' .
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'<th><label for="board">URI</label></th>' .
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'<td><input type="text" name="uri" id="board" size="10" maxlength="15" />' .
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' <span class="unimportant">(eg. "b"; "mu")</span></td>' .
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'</tr>' .
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'<tr>' .
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'<th><label for="title">Title</label></th>' .
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'<td><input type="text" name="title" id="title" size="25" maxlength="40" />' .
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' <span class="unimportant">(eg. "Random")</span></td>' .
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'</tr>' .
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'<tr>' .
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'<th><label for="subtitle">Subtitle</label></th>' .
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'<td><input type="text" name="subtitle" id="subtitle" size="25" maxlength="120" />' .
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' <span class="unimportant">(optional)</span></td>' .
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'</tr>' .
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'<tr>' .
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'<td></td>' .
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'<td><input name="new_board" type="submit" value="New Board" /></td>' .
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'</tr>' .
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'</table>' .
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'</form>' .
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'</fieldset>';
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}
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function removeBan($id) {
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global $config, $memcached;
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$query = prepare("DELETE FROM `bans` WHERE `id` = :id");
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$query->bindValue(':id', $id, PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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//if($config['memcached']['enabled']) {
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// Remove cached ban
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// TODO
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// $memcached->delete("ban_{$id}");
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//}
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}
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// Validate session
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if(isset($_COOKIE[$config['cookies']['mod']])) {
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// Should be username:hash:salt
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$cookie = explode(':', $_COOKIE[$config['cookies']['mod']]);
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if(count($cookie) != 3) {
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destroyCookies();
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error($config['error']['malformed']);
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}
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$query = prepare("SELECT `id`, `type`, `boards`, `password` FROM `mods` WHERE `username` = :username LIMIT 1");
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$query->bindValue(':username', $cookie[0]);
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$query->execute() or error(db_error($query));
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$user = $query->fetch();
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// validate password hash
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if($cookie[1] != mkhash($cookie[0], $user['password'], $cookie[2])) {
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// Malformed cookies
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destroyCookies();
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error($config['error']['malformed']);
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}
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$mod = Array(
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'id' => $user['id'],
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'type' => $user['type'],
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'username' => $cookie[0],
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'boards' => explode(',', $user['boards'])
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);
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}
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