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<?php
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/* Megatokyo Website Administration */
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require_once('../LocalSettings.php');
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require(__DIR__ . '/../vendor/autoload.php');
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// Core lib
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require_once('html.php');
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require_once('mysql.php');
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require_once('cookies.php');
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require_once('functions.php');
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require_once('error.php');
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require_once('uploads.php');
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require_once('nonce.php');
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// Objects
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require_once('rants.php');
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require_once('user.php');
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require_once('strip.php');
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require_once('transcript.php');
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require_once('type.php');
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require_once('pages.php');
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require_once('extra.php');
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require_once('twitter.php');
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require_once('tumblr.php');
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require_once('images.php');
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require_once('rss.php');
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require_once('twitteroauth/twitteroauth.php');
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// Initialize a connection to the database
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$dbConfig = new \Doctrine\DBAL\Configuration();
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$dbParams = array(
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'dbname' => DB_NAME,
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'user' => DB_WRITE_USER,
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'password' => DB_WRITE_PASS,
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'host' => DB_SERVER,
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'driver' => 'pdo_mysql',
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'charset' => 'utf8mb4'
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);
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$dbConnection = \Doctrine\DBAL\DriverManager::getConnection($dbParams, $dbConfig);
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$dbConnection->setFetchMode(PDO::FETCH_OBJ);
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$mtdb = new MysqlStore();
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$mtdb->connect( DB_SERVER, DB_WRITE_USER, DB_WRITE_PASS, DB_NAME );
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/* TODO: Move these definitions to LocalSettings.php */
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if ( !defined('RANTIMG') )
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define('RANTIMG', '../rantimgs/');
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define('USING_TIDY', false);
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/* These function are all for core authentication. */
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function mt_hash_password($password) {
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return sha1($password);
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}
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// Remove invalid characters from username. Permit only alpha, underscore, period, at, hyphen
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function sanitize_username( $username ) {
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return preg_replace('|[^a-z_.@-]|i', '', $username);
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}
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// Attempt to login with a username and password. If from cookies, set already_hashed = true.
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function mt_login($username, $password, $already_hashed = false) {
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global $error, $dbConnection;
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// Fail login if either user or pass is blank
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if ( '' == $username )
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return false;
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if ( '' == $password ) {
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$error = ('<strong>ERROR</strong>: The password field is empty.');
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return false;
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}
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$username = sanitize_username( $username );
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// Get user info from the database
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$sql = 'SELECT * FROM contributor WHERE name LIKE ?';
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$stmt = $dbConnection->executeQuery($sql, array($username));
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$login = $stmt->fetch();
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if (!$login) {
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$error = ('<strong>ERROR</strong>: Invalid username or password.');
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adminlog("Failed login attempt from ".$_SERVER['REMOTE_ADDR']." for $username.", MTS_LOGIN, MTA_CHANGE);
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//logthis ('AUTH: Failed login attempt from ' . $_SERVER["REMOTE_ADDR"], var_export( $_SERVER, true ) );
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return false;
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} else {
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// If the password is already_md5, it has been double hashed.
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// Otherwise, it is plain text.
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if ( $already_hashed && $username == $login->name && $login->password == $password) {
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global $currentuser;
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$currentuser=$login;
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return true;
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}
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if (!$already_hashed) {
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$passhash = mt_hash_password($password);
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if( $username == $login->name && $passhash == $login->password ) {
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global $currentuser;
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$currentuser=$login;
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return true;
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}
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}
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$error = ('<strong>ERROR</strong>: Invalid username or password.');
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adminlog("Failed login attempt from ".$_SERVER['REMOTE_ADDR']." for $username.", MTS_LOGIN, MTA_CHANGE);
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//logthis ('AUTH: Failed login attempt from ' . $_SERVER["REMOTE_ADDR"], var_export( $_SERVER, true ) );
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return false;
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}
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}
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// Attempt to login using cookies with failback to HTTP Basic Auth. If that fails, return a 401 to the browser.
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function auth_basic() {
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if ( !empty($_COOKIE[USER_COOKIE]) && mt_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true) )
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return;
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// Either there is no cookie or the cookie is not valid
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if (!isset($_SERVER['PHP_AUTH_USER']) || !mt_login($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) ) {
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header('WWW-Authenticate: Basic realm="My Realm"');
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header('HTTP/1.0 401 Unauthorized');
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die('You do not have permission to view this page.');
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}
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}
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// Attempt to login using cookies. If that fails, redirect to login.php to get credentials.
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function auth_redirect($showloginui=true) {
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// Checks if a user is logged in, if not redirects them to the login page
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if ( (!empty($_COOKIE[USER_COOKIE]) &&
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!mt_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true)) ||
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(empty($_COOKIE[USER_COOKIE])) ) {
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nocache_headers();
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if($showloginui) _redirect( ADMIN_PATH . '/login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
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die('You do not have permission to view this page.');
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}
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}
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// Safe redirect, defaults to Temporary
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function _redirect($location, $status = 302) {
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$location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%]|i', '', $location);
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$strip = array('%0d', '%0a');
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$location = str_replace($strip, '', $location);
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if ( substr(php_sapi_name(), 0, 3) != 'cgi' )
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header('Status: '.$status); // This causes problems on IIS and some FastCGI setups
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header("Location: $location");
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die();
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}
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// When doing redirect to login form, ensure headers are never cached.
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function nocache_headers() {
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@ header('Expires: Wed, 11 Jan 1984 05:00:00 GMT');
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@ header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
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@ header('Cache-Control: no-cache, must-revalidate, max-age=0');
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@ header('Pragma: no-cache');
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}
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?>
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