/**
* Direct invocation of the constructor is not permitted.
*/
protected function __construct()
{
$dir = \RX_BASEDIR . 'files/cache/store';
if (!Storage::isDirectory($dir)) {
Storage::createDirectory($dir);
}
$key = substr(hash_hmac('sha256', $dir, config('crypto.authentication_key')), 0, 32);
$filename = "{$dir}/{$key}.db";
if (Storage::exists($filename)) {
$this->_connect($filename);
} else {
$this->_connect($filename);
for ($i = 0; $i < 32; $i++) {
$this->_dbh->exec('CREATE TABLE cache_' . $i . ' (k TEXT PRIMARY KEY, v TEXT, exp INT)');
}
}
}
/**
* Compile XE-compatible XML lang files into PHP.
*
* @param string $filename
* @param string $language
* @return string|false
*/
public static function compileXMLtoPHP($filename, $language, $output_filename = null)
{
// Check if the cache file already exists.
if ($output_filename === null) {
$output_filename = \RX_BASEDIR . 'files/cache/lang/' . md5($filename) . '.' . $language . '.php';
if (file_exists($output_filename) && filemtime($output_filename) > filemtime($filename)) {
return $output_filename;
}
}
// Load the XML lang file.
$xml = simplexml_load_string(Storage::read($filename));
if ($xml === false) {
Storage::write($output_filename, '');
return false;
}
// Convert XML to a PHP array.
$lang = array();
self::_toArray($xml, $lang, $language);
unset($xml);
// Save the array as a cache file.
$buff = "<?php\n// {$filename}\n";
foreach ($lang as $key => $value) {
if (is_array($value)) {
foreach ($value as $subkey => $subvalue) {
if (is_array($subvalue)) {
foreach ($subvalue as $subsubkey => $subsubvalue) {
$buff .= '$lang->' . $key . "['{$subkey}']['{$subsubkey}']" . ' = ' . var_export($subsubvalue, true) . ";\n";
}
} else {
$buff .= '$lang->' . $key . "['{$subkey}']" . ' = ' . var_export($subvalue, true) . ";\n";
}
}
} else {
$buff .= '$lang->' . $key . ' = ' . var_export($value, true) . ";\n";
}
}
Storage::write($output_filename, $buff);
return $output_filename;
}
/**
* Clear all keys from the cache.
*
* This method returns true on success and false on failure.
*
* @return bool
*/
public function clear()
{
return Storage::deleteDirectory($this->_dir) ? true : false;
}
/**
* Convert previous configuration files to the current format and return it.
*
* @return array
*/
public static function convert()
{
// Load DB info file.
if (file_exists(\RX_BASEDIR . Config::$old_db_config_filename)) {
include \RX_BASEDIR . Config::$old_db_config_filename;
} else {
return array();
}
// Load FTP info file.
if (file_exists(\RX_BASEDIR . Config::$old_ftp_config_filename)) {
include \RX_BASEDIR . Config::$old_ftp_config_filename;
}
// Load selected language file.
if (file_exists(\RX_BASEDIR . Config::$old_lang_config_filename)) {
$lang_selected = array();
$lang_selected_raw = file_get_contents(\RX_BASEDIR . Config::$old_lang_config_filename);
$lang_selected_raw = array_map('trim', explode("\n", $lang_selected_raw));
foreach ($lang_selected_raw as $lang_selected_item) {
$lang_selected_item = array_map('trim', explode(',', $lang_selected_item));
if (count($lang_selected_item) && $lang_selected_item[0] !== '') {
$lang_selected_item[0] = $lang_selected_item[0] === 'jp' ? 'ja' : $lang_selected_item[0];
$lang_selected[] = $lang_selected_item[0];
}
}
$lang_selected = array_unique($lang_selected);
unset($lang_selected_raw, $lang_selected_item);
} else {
$lang_selected = \Context::getLangType() === 'jp' ? 'ja' : \Context::getLangType();
$lang_selected = array($lang_selected);
}
// Load defaults for the new configuration.
$config = (include \RX_BASEDIR . Config::$default_config_filename);
// Convert database configuration.
if (!isset($db_info->master_db)) {
$db_info->master_db = array();
$db_info->master_db['db_type'] = $db_info->db_type;
$db_info->master_db['db_hostname'] = $db_info->db_hostname;
$db_info->master_db['db_port'] = $db_info->db_port;
$db_info->master_db['db_userid'] = $db_info->db_userid;
$db_info->master_db['db_password'] = $db_info->db_password;
$db_info->master_db['db_database'] = $db_info->db_database;
$db_info->master_db['db_table_prefix'] = $db_info->db_table_prefix;
}
$config['db']['master']['type'] = strtolower($db_info->master_db['db_type']);
$config['db']['master']['host'] = $db_info->master_db['db_hostname'];
$config['db']['master']['port'] = $db_info->master_db['db_port'];
$config['db']['master']['user'] = $db_info->master_db['db_userid'];
$config['db']['master']['pass'] = $db_info->master_db['db_password'];
$config['db']['master']['database'] = $db_info->master_db['db_database'];
$config['db']['master']['prefix'] = $db_info->master_db['db_table_prefix'];
if (substr($config['db']['master']['prefix'], -1) !== '_') {
$config['db']['master']['prefix'] .= '_';
}
$config['db']['master']['charset'] = $db_info->master_db['db_charset'] ?: 'utf8';
if (strpos($config['db']['master']['type'], 'innodb') !== false) {
$config['db']['master']['type'] = str_replace('_innodb', '', $config['db']['master']['type']);
$config['db']['master']['engine'] = 'innodb';
} elseif (strpos($config['db']['master']['type'], 'mysql') !== false) {
$config['db']['master']['engine'] = 'myisam';
}
if (isset($db_info->slave_db) && count($db_info->slave_db)) {
foreach ($db_info->slave_db as $slave_id => $slave_db) {
if ($slave_db !== $db_info->master_db) {
$slave_id = 'slave' . $slave_id;
$config['db'][$slave_id]['type'] = strtolower($slave_db['db_type']);
$config['db'][$slave_id]['host'] = $slave_db['db_hostname'];
$config['db'][$slave_id]['port'] = $slave_db['db_type'];
$config['db'][$slave_id]['user'] = $slave_db['db_userid'];
$config['db'][$slave_id]['pass'] = $slave_db['db_password'];
$config['db'][$slave_id]['database'] = $slave_db['db_database'];
$config['db'][$slave_id]['prefix'] = $slave_db['db_table_prefix'];
if (substr($config['db'][$slave_id]['prefix'], -1) !== '_') {
$config['db'][$slave_id]['prefix'] .= '_';
}
$config['db'][$slave_id]['charset'] = $slave_db['db_charset'] ?: 'utf8';
if (strpos($config['db'][$slave_id]['type'], 'innodb') !== false) {
$config['db'][$slave_id]['type'] = str_replace('_innodb', '', $config['db'][$slave_id]['type']);
$config['db'][$slave_id]['engine'] = 'innodb';
} elseif (strpos($config['db'][$slave_id]['type'], 'mysql') !== false) {
$config['db'][$slave_id]['engine'] = 'myisam';
}
}
}
}
// Convert cache configuration.
if (isset($db_info->use_object_cache)) {
if (!is_array($db_info->use_object_cache)) {
$db_info->use_object_cache = array($db_info->use_object_cache);
}
$config['cache']['type'] = preg_replace('/^memcache$/', 'memcached', preg_replace('/:.+$/', '', array_first($db_info->use_object_cache)));
$config['cache']['ttl'] = 86400;
$config['cache']['servers'] = in_array($config['cache']['type'], array('memcached', 'redis')) ? $db_info->use_object_cache : array();
}
// Convert FTP configuration.
if (isset($ftp_info)) {
$config['ftp']['host'] = $ftp_info->ftp_host;
$config['ftp']['port'] = $ftp_info->ftp_port;
$config['ftp']['path'] = $ftp_info->ftp_root_path;
$config['ftp']['user'] = $ftp_info->ftp_user;
$config['ftp']['pasv'] = $ftp_info->ftp_pasv;
$config['ftp']['sftp'] = $ftp_info->sftp === 'Y' ? true : false;
}
// Create new crypto keys.
$config['crypto']['encryption_key'] = Security::getRandom(64, 'alnum');
$config['crypto']['authentication_key'] = $db_info->secret_key ?: Security::getRandom(64, 'alnum');
$config['crypto']['session_key'] = Security::getRandom(64, 'alnum');
// Convert language configuration.
if (isset($db_info->lang_type)) {
$config['locale']['default_lang'] = str_replace('jp', 'ja', strtolower($db_info->lang_type));
} elseif (count($lang_selected)) {
$config['locale']['default_lang'] = array_first($lang_selected);
}
$config['locale']['enabled_lang'] = array_values($lang_selected);
// Convert timezone configuration.
$old_timezone = DateTime::getTimezoneOffsetByLegacyFormat($db_info->time_zone ?: '+0900');
switch ($old_timezone) {
case 32400:
$config['locale']['default_timezone'] = 'Asia/Seoul';
break;
default:
$config['locale']['default_timezone'] = DateTime::getTimezoneNameByOffset($old_timezone);
}
$config['locale']['internal_timezone'] = intval(date('Z'));
// Convert URL configuration.
$default_url = $db_info->default_url;
if (strpos($default_url, 'xn--') !== false) {
$default_url = \Context::decodeIdna($default_url);
}
$config['url']['default'] = $default_url ?: (\RX_SSL ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . \RX_BASEURL;
$config['url']['http_port'] = $db_info->http_port ?: null;
$config['url']['https_port'] = $db_info->https_port ?: null;
$config['url']['ssl'] = $db_info->use_ssl ?: 'none';
// Convert session configuration.
$config['session']['delay'] = $db_info->delay_session === 'Y' ? true : false;
$config['session']['use_db'] = $db_info->use_db_session === 'Y' ? true : false;
// Convert view configuration.
$config['view']['minify_scripts'] = $db_info->minify_scripts ?: 'common';
$config['view']['use_gzip'] = defined('__OB_GZHANDLER_ENABLE__') && constant('__OB_GZHANDLER_ENABLE__');
// Convert admin IP whitelist.
if (isset($db_info->admin_ip_list) && is_array($db_info->admin_ip_list) && count($db_info->admin_ip_list)) {
$config['admin']['allow'] = array_values($db_info->admin_ip_list);
}
// Convert sitelock configuration.
$config['lock']['locked'] = $db_info->use_sitelock === 'Y' ? true : false;
$config['lock']['title'] = strval($db_info->sitelock_title);
$config['lock']['message'] = strval($db_info->sitelock_message);
if (!is_array($db_info->sitelock_whitelist)) {
$db_info->sitelock_whitelist = $db_info->sitelock_whitelist ? array_map('trim', explode(',', trim($db_info->sitelock_whitelist))) : array();
}
if (!in_array('127.0.0.1', $db_info->sitelock_whitelist)) {
$db_info->sitelock_whitelist[] = '127.0.0.1';
}
$config['lock']['allow'] = array_values($db_info->sitelock_whitelist);
// Convert media filter configuration.
if (is_array($db_info->embed_white_iframe)) {
$whitelist = array_unique(array_map(function ($item) {
return preg_match('@^https?://(.*)$@i', $item, $matches) ? $matches[1] : $item;
}, $db_info->embed_white_iframe));
natcasesort($whitelist);
$config['mediafilter']['iframe'] = $whitelist;
}
if (is_array($db_info->embed_white_object)) {
$whitelist = array_unique(array_map(function ($item) {
return preg_match('@^https?://(.*)$@i', $item, $matches) ? $matches[1] : $item;
}, $db_info->embed_white_object));
natcasesort($whitelist);
$config['mediafilter']['object'] = $whitelist;
}
// Convert miscellaneous configuration.
$config['file']['umask'] = Storage::recommendUmask();
$config['mobile']['enabled'] = $db_info->use_mobile_view === 'N' ? false : true;
$config['use_prepared_statements'] = $db_info->use_prepared_statements === 'Y' ? true : false;
$config['use_rewrite'] = $db_info->use_rewrite === 'Y' ? true : false;
$config['use_sso'] = $db_info->use_sso === 'Y' ? true : false;
// Copy other configuration.
unset($db_info->master_db, $db_info->slave_db);
unset($db_info->lang_type, $db_info->time_zone);
unset($db_info->default_url, $db_info->http_port, $db_info->https_port, $db_info->use_ssl);
unset($db_info->delay_session, $db_info->use_db_session);
unset($db_info->minify_scripts, $db_info->admin_ip_list);
unset($db_info->use_sitelock, $db_info->sitelock_title, $db_info->sitelock_message, $db_info->sitelock_whitelist);
unset($db_info->embed_white_iframe, $db_info->embed_white_object);
unset($db_info->use_object_cache, $db_info->use_mobile_view, $db_info->use_prepared_statements);
unset($db_info->use_rewrite, $db_info->use_sso);
foreach ($db_info as $key => $value) {
$config['other'][$key] = $value;
}
// Return the new configuration.
return $config;
}
/**
* Get an instance of HTMLPurifier.
*
* @return object
*/
public static function getHTMLPurifier()
{
// Create an instance with reasonable defaults.
if (self::$_htmlpurifier === null) {
// Get the default configuration.
$config = \HTMLPurifier_Config::createDefault();
// Customize the default configuration.
$config->set('Attr.AllowedFrameTargets', array('_blank'));
$config->set('Attr.DefaultImageAlt', '');
$config->set('Attr.EnableID', true);
$config->set('Attr.IDPrefix', 'user_content_');
$config->set('AutoFormat.AutoParagraph', false);
$config->set('AutoFormat.DisplayLinkURI', false);
$config->set('AutoFormat.Linkify', false);
$config->set('Core.Encoding', 'UTF-8');
$config->set('HTML.Doctype', 'XHTML 1.0 Transitional');
$config->set('HTML.FlashAllowFullScreen', true);
$config->set('HTML.MaxImgLength', null);
$config->set('CSS.MaxImgLength', null);
$config->set('CSS.Proprietary', true);
$config->set('Output.FlashCompat', true);
$config->set('Output.Newline', "\n");
$config->set('URI.MakeAbsolute', false);
// Allow embedding of external multimedia content.
$config->set('HTML.SafeEmbed', true);
$config->set('HTML.SafeIframe', true);
$config->set('HTML.SafeObject', true);
$config->set('URI.SafeIframeRegexp', MediaFilter::getIframeWhitelistRegex());
// Set the serializer path.
$config->set('Cache.SerializerPath', \RX_BASEDIR . 'files/cache/htmlpurifier');
Storage::createDirectory(\RX_BASEDIR . 'files/cache/htmlpurifier');
// Modify the HTML definition to support editor components and widgets.
$def = $config->getHTMLDefinition(true);
$def->addAttribute('img', 'editor_component', 'Text');
$def->addAttribute('div', 'editor_component', 'Text');
$def->addAttribute('img', 'rx_encoded_properties', 'Text');
$def->addAttribute('div', 'rx_encoded_properties', 'Text');
// Support HTML5 and CSS3.
self::_supportHTML5($config);
self::_supportCSS3($config);
// Cache our instance of HTMLPurifier.
self::$_htmlpurifier = new \HTMLPurifier($config);
}
// Return the cached instance.
return self::$_htmlpurifier;
}
