ajax.php

<?php

if (file_exists('setting.php')) {
    require 'setting.php';
} else {
    require 'setting.dist.php';
}

require 'dura.php';

Dura::setup();

if (!isset($_SESSION['room']['id'])) {
    // Session not exists.
    header('Content-Type: application/xml; charset=UTF-8');
    die('<?xml version="1.0" encoding="UTF-8"?><room><error>1</error></room>');
}

$id = $_SESSION['room']['id'];

$roomHandler = new Dura_Model_RoomHandler;
$roomModel = $roomHandler->load($id);

if (!$roomModel) {
    // Room not found.
    header('Content-Type: application/xml; charset=UTF-8');
    die('<?xml version="1.0" encoding="UTF-8"?><room><error>2</error></room>');
}

$file = $roomHandler->getFilePath($id);

$content = md5(file_get_contents($file));

session_write_close();

if (!isset($_GET['fast'])) {
    for ($i = 0; $i < DURA_SLEEP_LOOP; $i++) {
        if ($content != md5(file_get_contents($file))) {
            break;
        }

        sleep(DURA_SLEEP_TIME);

        if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false) // TODO
        {
            break;
        }
    }
}

$roomModel = $roomHandler->load($id);

$userId = $_SESSION['user']->getId();
$isLogin = false;

foreach ($roomModel->users as $user) {
    if ($userId == (string)$user->id) {
        $isLogin = true;
    }
}

if (!$isLogin) {
    session_name(DURA_SESSION_NAME);
    session_start();
    unset($_SESSION['room']);
    // Room timeout.
    header('Content-Type: application/xml; charset=UTF-8');
    die('<?xml version="1.0" encoding="UTF-8"?><room><error>3</error></room>');
}

$roomModel->addChild('error', 0);

foreach ($roomModel->talks as $talk) {
    if ((string)$talk->uid == 0) {
        $name = (string)$talk->name;
        $message = (string)$talk->message;

        $talk->message = t($message, $name);
    }
}

header('Content-Type: application/xml; charset=UTF-8');
die($roomModel->asXML());