/**
* Boots the engine
*
* 1. sets error handlers
* 2. connects to database
* 3. verifies the installation suceeded
* 4. loads application configuration
* 5. loads site configuration
*
* @access private
*/
function _elgg_engine_boot()
{
// Register the error handlers
set_error_handler('_elgg_php_error_handler');
set_exception_handler('_elgg_php_exception_handler');
register_translations(dirname(dirname(dirname(__FILE__))) . "/languages/");
setup_db_connections();
verify_installation();
_elgg_load_application_config();
_elgg_load_site_config();
_elgg_load_cache();
}
/**
* Boots the engine
*
* 1. sets error handlers
* 2. connects to database
* 3. verifies the installation succeeded
* 4. loads application configuration
* 5. loads i18n data
* 6. loads cached autoloader state
* 7. loads site configuration
*
* @access private
*/
function _elgg_engine_boot()
{
// Register the error handlers
set_error_handler('_elgg_php_error_handler');
set_exception_handler('_elgg_php_exception_handler');
setup_db_connections();
verify_installation();
_elgg_load_application_config();
_elgg_load_autoload_cache();
_elgg_load_site_config();
_elgg_session_boot();
_elgg_load_cache();
_elgg_load_translations();
}
if (!(include_once dirname(__FILE__) . "/settings.php")) {
$msg = elgg_echo('InstallationException:CannotLoadSettings');
throw new InstallationException($msg);
}
// load the rest of the library files from engine/lib/
$lib_files = array('database.php', 'actions.php', 'admin.php', 'annotations.php', 'calendar.php', 'configuration.php', 'cron.php', 'entities.php', 'export.php', 'extender.php', 'filestore.php', 'group.php', 'location.php', 'mb_wrapper.php', 'memcache.php', 'metadata.php', 'metastrings.php', 'navigation.php', 'notification.php', 'objects.php', 'opendd.php', 'pagehandler.php', 'pageowner.php', 'pam.php', 'plugins.php', 'private_settings.php', 'relationships.php', 'river.php', 'sites.php', 'statistics.php', 'tags.php', 'user_settings.php', 'users.php', 'upgrade.php', 'web_services.php', 'widgets.php', 'xml.php', 'xml-rpc.php', 'deprecated-1.7.php', 'deprecated-1.8.php');
foreach ($lib_files as $file) {
$file = $lib_dir . $file;
elgg_log("Loading {$file}...");
if (!(include_once $file)) {
$msg = sprintf(elgg_echo('InstallationException:MissingLibrary'), $file);
throw new InstallationException($msg);
}
}
// confirm that the installation completed successfully
verify_installation();
// Autodetect some default configuration settings
set_default_config();
// needs to be set for links in html head
$viewtype = get_input('view', 'default');
$lastcached = datalist_get("simplecache_lastcached_{$viewtype}");
$CONFIG->lastcache = $lastcached;
// Trigger boot events for core. Plugins can't hook
// into this because they haven't been loaded yet.
elgg_trigger_event('boot', 'system');
// Load the plugins that are active
elgg_load_plugins();
elgg_trigger_event('plugins_boot', 'system');
// Trigger system init event for plugins
elgg_trigger_event('init', 'system');
// Regenerate the simple cache if expired.
/**
* Load config options from config.inc.php and database and
* setup sane defaults.
* Return configuration in global $config array variable
*
* @todo Add security check if install.php is still available
* @param boolean force reload of configuration data
*/
function load_config($force_reload = false)
{
global $config, $lang, $smarty;
// configuration cached and not outdated?
if (!$force_reload && !$config['recompile'] && session_get('config') && session_get('config_userid') === $_COOKIE['VDBuserid'] && session_get('config_timestamp') == filemtime(CONFIG_FILE)) {
// load from cache
$config = session_get('config');
} else {
// check MySQL extension and cache directories
verify_installation();
// remember modification time
session_set('config_timestamp', filemtime(CONFIG_FILE));
// get config options from the database
$SELECT = 'SELECT opt,value
FROM ' . TBL_CONFIG;
$result = runSQL($SELECT);
$config = array_merge($config, array_associate($result, 'opt', 'value'));
// check if database matches the current version
if ($config['dbversion'] < DB_REQUIRED) {
// run installer
redirect('install.php?action=upgrade');
}
// get user config options from the database
// does not use get_current_user_id() to allow fallback to login page after loading config
if (is_numeric($user_id = $_COOKIE['VDBuserid'])) {
// store user id in session to identify reload point for config
session_set('config_userid', $user_id);
$SQL = 'SELECT opt, value
FROM ' . TBL_USERCONFIG . '
WHERE user_id = ' . $user_id;
$result = runSQL($SQL);
$config = array_merge($config, array_associate($result, 'opt', 'value'));
}
// set some defaults
if (empty($config['language'])) {
$config['language'] = 'en';
}
if (empty($config['template'])) {
$config['template'] = 'modern::compact';
}
if (empty($config['filterdefault'])) {
$config['filterdefault'] = 'unseen';
}
// if ($config['IMDBage'] < 1) $config['IMDBage'] = 60*60*24*5;
if ($config['castcolumns'] < 1) {
$config['castcolumns'] = 4;
}
if ($config['listcolumns'] < 1) {
$config['listcolumns'] = 1;
}
if ($config['thumbAge'] < 1) {
$config['thumbAge'] = 60 * 60 * 24 * 7 * 3;
}
if ($config['shownew'] < 1) {
$config['shownew'] = 12;
}
// prepare som options for later use
$config['languages'] = explode('::', $config['languageflags']);
// prepare template/style
$tpl = explode('::', $config['template']);
$config['style'] = 'templates/' . $tpl[0] . '/' . $tpl[1] . '.css';
$config['templatedir'] = 'templates/' . $tpl[0] . '/';
/*
// multiple style files - use template name as base (e.g. elegant_grey.css)
if (!file_exists($config['style']))
{
// this should be an array
$config['style'] = array('templates/'.$tpl[0].'/'.$tpl[0].'.css',
'templates/'.$tpl[0].'/'.$tpl[0].'_'.$tpl[1].'.css');
}
*/
// check if selected template is valid
if (!file_exists($config['style'])) {
$config['template'] = 'elegant::grey';
$config['templatedir'] = 'templates/elegant/';
$config['style'] = 'templates/elegant/grey.css';
}
// smarty cacheid for multiuser mode
$config['cacheid'] = $tpl[0];
// get installed engines meta information
if (empty($config['engines'])) {
require_once './engines/engines.php';
$config['engines'] = engineMeta();
// translate config options of type engine xyz into config[engine]
foreach ($config['engines'] as $engine => $meta) {
// convert the db engine options into associative array of engine enabled status
if ($config['engine' . $engine]) {
$config['engine'][$engine] = $config['engine' . $engine];
// add meta-engine if enabled
engine_setup_meta($engine, $meta);
}
}
}
/*
// added proxy support for $_ENV
$proxy = $config['proxy_host'];
if (empty($proxy))
{
$env = array_change_key_case($_ENV);
$proxy = $env['http_proxy'];
}
if (!empty($proxy))
{
$uri = parse_url($proxy);
$config['proxy_host'] = ($uri['scheme']) ? $uri['host'] : $uri['path'];
$config['proxy_port'] = ($uri['port']) ? $uri['port'] : 8080;
}
*/
// store loaded configuration
session_set('config', $config);
}
// setup smarty
$smarty->template_dir = array($config['templatedir'], 'templates/modern');
$smarty->assign('template', $config['templatedir']);
// initialize languages
$lang = array();
// load english language as default
require './language/en.php';
// override it with local language if nessesary:
if ($config['language'] != 'en') {
$languages = explode('_', $config['language']);
$file = '';
foreach ($languages as $language) {
if ($file) {
$file .= '_';
}
$file .= $language;
@(include './language/' . $file . '.php');
// convert languages to utf-8 encoding
if ($lang['encoding'] != 'utf-8') {
$lang = iconv_array($lang['encoding'], 'utf-8', $lang);
$lang['encoding'] = 'utf-8';
}
}
}
// set connection character set and collation
# db_set_encoding();
}
