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|
<?php
/**
* Elgg engine bootstrapper
* Loads the various elements of the Elgg engine
*
* @package Elgg
* @subpackage Core
* @author Curverider Ltd
* @link http://elgg.org/
*/
/*
* Basic profiling
*/
global $START_MICROTIME;
$START_MICROTIME = microtime(true);
/*
* Create global CONFIG object
*/
global $CONFIG;
if (!isset($CONFIG)) {
$CONFIG = new stdClass;
}
$lib_dir = dirname(__FILE__) . '/lib/';
// bootstrapping with required files in a required order
$required_files = array(
'exceptions.php', 'elgglib.php', 'access.php', 'system_log.php', 'export.php',
'sessions.php', 'languages.php', 'input.php', 'install.php', 'cache.php',
);
foreach ($required_files as $file) {
$path = $lib_dir . $file;
if (!include($path)) {
echo "Could not load file '$path'. "
. 'Please check your Elgg installation for all required files.';
exit;
}
}
// Use fallback view until sanitised
$oldview = get_input('view');
set_input('view', 'failsafe');
// Register the error handler
set_error_handler('__elgg_php_error_handler');
set_exception_handler('__elgg_php_exception_handler');
// attempt to save settings.php and .htaccess if in installation.
if ($sanitised = sanitised()) {
// load library files
$lib_files = array(
'actions.php', 'activity.php', 'admin.php', 'annotations.php', 'api.php',
'cache.php', 'calendar.php', 'configuration.php', 'cron.php',
'entities.php', 'export.php', 'extender.php', 'database.php', 'filestore.php',
'group.php', 'input.php', 'install.php', 'location.php', 'mb_wrapper.php',
'memcache.php', 'metadata.php', 'metastrings.php', 'notification.php',
'objects.php', 'opendd.php', 'pagehandler.php', 'pageowner.php', 'pam.php',
'plugins.php', 'query.php', 'relationships.php', 'river2.php', 'sites.php',
'social.php', 'statistics.php', 'system_log.php', 'tags.php',
'usersettings.php', 'users.php', 'version.php', 'widgets.php', 'xml.php',
'xml-rpc.php'
);
foreach($lib_files as $file) {
$file = $lib_dir . $file;
elgg_log("Loading $file...");
if (!include_once($file)) {
throw new InstallationException("Could not load {$file}");
}
}
// Load system settings
if (!include_once(dirname(__FILE__) . "/settings.php")) {
throw new InstallationException("Elgg could not load the settings file.");
}
} else {
throw new InstallationException(elgg_echo('installation:error:configuration'));
}
// Autodetect some default configuration settings
set_default_config();
// Trigger events
trigger_elgg_event('boot', 'system');
// Load plugins
$installed = is_installed();
$db_installed = is_db_installed();
// Load plugins, if we're not in light mode
if (($installed) && ($db_installed) && ($sanitised)) {
load_plugins();
trigger_elgg_event('plugins_boot', 'system');
}
// Forward if we haven't been installed
if ((!$installed || !$db_installed)
&& !substr_count($_SERVER["PHP_SELF"], "install.php")
&& !substr_count($_SERVER["PHP_SELF"], "css.php")
&& !substr_count($_SERVER["PHP_SELF"], "action_handler.php")) {
header("Location: install.php");
exit;
}
// Trigger events
if (!substr_count($_SERVER["PHP_SELF"],"install.php")
&& !substr_count($_SERVER["PHP_SELF"],"setup.php")
&& !(defined('upgrading') && upgrading == 'upgrading')) {
trigger_elgg_event('init', 'system');
}
// System booted, return to normal view
set_input('view', $oldview);
if (empty($oldview)) {
if (empty($CONFIG->view)) {
$oldview = 'default';
} else {
$oldview = $CONFIG->view;
}
}
if (($installed) && ($db_installed)) {
$lastupdate = datalist_get('simplecache_lastupdate');
$lastcached = datalist_get('simplecache_'.$oldview);
if ($lastupdate == 0 || $lastcached < $lastupdate) {
elgg_view_regenerate_simplecache();
$lastcached = time();
datalist_set('simplecache_lastupdate',$lastcached);
datalist_set('simplecache_'.$oldview,$lastcached);
}
$CONFIG->lastcache = $lastcached;
}
|
