<?php
/**
 * Google minify implementation for MODX manager
 * @package modx
 * @subpackage minify
 */
@include dirname(dirname(__FILE__)) . '/config.core.php';
if (!defined('MODX_CORE_PATH')) define('MODX_CORE_PATH', dirname(dirname(__FILE__)) . '/core/');

/* set the document_root */
if(!isset($_SERVER['DOCUMENT_ROOT']) || empty($_SERVER['DOCUMENT_ROOT'])) {
    $_SERVER['DOCUMENT_ROOT'] = str_replace($_SERVER['PATH_INFO'], '', str_replace('\\\\', '/', $_SERVER['PATH_TRANSLATED'])) . '/';
}

/* include the modX class */
if (!(include_once MODX_CORE_PATH . 'model/modx/modx.class.php')) {
    include MODX_CORE_PATH . 'error/unavailable.include.php';
    die('Site temporarily unavailable!');
}

/* create the modX object */
$modx= new modX('', array(xPDO::OPT_CONN_INIT => array(xPDO::OPT_CONN_MUTABLE => true)));
if (!is_object($modx) || !($modx instanceof modX)) {
    $errorMessage = 'MODX not installed!';
    include MODX_CORE_PATH . 'error/unavailable.include.php';
    header('HTTP/1.1 503 Service Unavailable');
    echo "<html><title>Error 503: Site temporarily unavailable</title><body><h1>Error 503</h1><p>{$errorMessage}</p></body></html>";
    exit();
}

$modx->initialize('mgr');
if (!$modx->user->hasSessionContext('mgr')) die();

$modx->getCacheManager();

/* minify stuff */
define('MINIFY_MIN_DIR', dirname(__FILE__));

/* setup minify config */
$min_allowDebugFlag = (boolean)$modx->getOption('manager_js_cache_allow_debug_flag',null,true);
$min_errorLogger = (boolean)$modx->getOption('manager_js_cache_debug',null,true);
$min_enableBuilder = false;
$min_cachePath = $modx->cacheManager->getCachePath() . 'mgr/min/';
$documentRoot = $modx->getOption('manager_js_document_root', null, '');
$min_documentRoot = !empty($documentRoot) ? $documentRoot : $_SERVER['DOCUMENT_ROOT'];
if (!empty($min_documentRoot)) {
    $min_documentRoot = str_replace('\\', '/', realpath($min_documentRoot));
}
$min_cacheFileLocking = (boolean)$modx->getOption('manager_js_cache_file_locking',null,true);
$min_serveOptions['bubbleCssImports'] = false;
$min_serveOptions['rewriteCssUris'] = true;
$min_serveOptions['maxAge'] = (int)$modx->getOption('manager_js_cache_max_age',null,3600);
$min_serveOptions['minApp']['groupsOnly'] = false;
$min_serveOptions['minApp']['maxFiles'] = (int)$modx->getOption('manager_js_cache_max_files',null,50);
$min_serveOptions['minApp']['allowDirs'][] = $min_documentRoot;
$min_serveOptions['minifierOptions']['text/css']['virtualDirs'] = array();
$min_symlinks = array();
$hasVirtualManagerURL = empty($min_documentRoot) || strpos(MODX_MANAGER_PATH, $min_documentRoot) !== 0 || strpos(MODX_MANAGER_PATH, MODX_MANAGER_URL) === false || substr(MODX_MANAGER_PATH, 0, strpos(MODX_MANAGER_PATH, MODX_MANAGER_URL)) !== $min_documentRoot;
if ($hasVirtualManagerURL) {
    $min_serveOptions['minApp']['allowDirs'][] = MODX_MANAGER_PATH;
    $min_serveOptions['minApp']['virtualDirs'][MODX_MANAGER_URL] = MODX_MANAGER_PATH;
}
$hasVirtualAssetsURL = empty($min_documentRoot) || strpos(MODX_ASSETS_PATH, $min_documentRoot) !== 0 || strpos(MODX_ASSETS_PATH, MODX_ASSETS_URL) === false || substr(MODX_ASSETS_PATH, 0, strpos(MODX_ASSETS_PATH, MODX_ASSETS_URL)) !== $min_documentRoot;
if ($hasVirtualAssetsURL) {
    $min_serveOptions['minApp']['allowDirs'][] = MODX_ASSETS_PATH;
    $min_serveOptions['minApp']['virtualDirs'][MODX_ASSETS_URL] = MODX_ASSETS_PATH;
}
if (!empty($min_serveOptions['minApp']['virtualDirs'])) {
    $min_serveOptions['minifierOptions']['text/css']['virtualDirs'] = $min_serveOptions['minApp']['virtualDirs'];
}
$min_uploaderHoursBehind = 0;
$min_libPath = dirname(__FILE__) . '/lib';
@ini_set('zlib.output_compression', (int)$modx->getOption('manager_js_zlib_output_compression',null,0));

// setup include path
@set_include_path($min_libPath . PATH_SEPARATOR . get_include_path());
@set_time_limit(0);

require 'Minify.php';

/* attempt to prevent suhosin issues */
@ini_set('suhosin.get.max_value_length',4096);

Minify::$uploaderHoursBehind = $min_uploaderHoursBehind;
Minify::setCache(
    isset($min_cachePath) ? $min_cachePath : ''
    ,$min_cacheFileLocking
);

if ($min_documentRoot && (!isset($_SERVER['DOCUMENT_ROOT']) || !empty($documentRoot))) {
    $_SERVER['DOCUMENT_ROOT'] = $min_documentRoot;
    Minify::$isDocRootSet = true;
}

$min_serveOptions['minifierOptions']['text/css']['symlinks'] = $min_symlinks;
// auto-add targets to allowDirs
foreach ($min_symlinks as $uri => $target) {
    $min_serveOptions['minApp']['allowDirs'][] = $target;
}

if ($min_allowDebugFlag && isset($_GET['debug'])) {
    require_once 'Minify/DebugDetector.php';
    $min_serveOptions['debug'] = Minify_DebugDetector::shouldDebugRequest($_COOKIE, $_GET, $_SERVER['REQUEST_URI']);
}

if ($min_errorLogger) {
    require_once 'Minify/Logger.php';
    if (true === $min_errorLogger) {
        require_once 'FirePHP.php';
        $min_errorLogger = FirePHP::getInstance(true);
    }
    if (isset($_GET['debug'])) {
        Minify_Logger::setLogger($min_errorLogger);
        $min_serveOptions['debug'] = true;
    }
}

// check for URI versioning
if (preg_match('/&\\d/', $_SERVER['QUERY_STRING'])) {
    $min_serveOptions['maxAge'] = 31536000;
}
if (isset($_GET['g'])) {
     // well need groups config
    $min_serveOptions['minApp']['groups'] = (require MINIFY_MIN_DIR . '/groupsConfig.php');
}
if (isset($_GET['f']) || isset($_GET['g'])) {
    // serve!   
    if (! isset($min_serveController)) {
        require 'Minify/Controller/MinApp.php';
        $min_serveController = new Minify_Controller_MinApp();
    }
    Minify::serve($min_serveController, $min_serveOptions);

} else {
    header("Location: /");
    exit();
}
