function maintenance_message()
{
global $db, $luna_config, $luna_user;
// Send no-cache headers
header('Expires: Thu, 21 Jul 1977 07:30:00 GMT');
// When yours truly first set eyes on this world! :)
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: post-check=0, pre-check=0', false);
header('Pragma: no-cache');
// For HTTP/1.0 compatibility
// Send the Content-type header in case the web server is setup to send something else
header('Content-type: text/html; charset=utf-8');
// Include functions
require FORUM_ROOT . 'include/draw_functions.php';
// Show the page
draw_wall_error($luna_config['o_maintenance_message'], NULL, __('Maintenance', 'luna'));
// End the transaction
$db->end_transaction();
// Close the db connection (and free up any result data)
$db->close();
exit;
}
while (@ob_end_clean()) {
}
$stage = isset($_REQUEST['stage']) ? $_REQUEST['stage'] : '';
$old_charset = isset($_REQUEST['req_old_charset']) ? str_replace('ISO8859', 'ISO-8859', strtoupper($_REQUEST['req_old_charset'])) : 'ISO-8859-1';
$start_at = isset($_REQUEST['start_at']) ? intval($_REQUEST['start_at']) : 0;
$query_str = '';
// Show form
if (empty($stage)) {
if (file_exists(LUNA_CACHE_DIR . 'db_update.lock')) {
// Deal with newlines, tabs and multiple spaces
$pattern = array("\t", ' ', ' ');
$replace = array('    ', '  ', '  ');
$message = str_replace($pattern, $replace, __('The forums are temporarily down for maintenance. Please try again in a few minutes.', 'luna'));
draw_wall_error($message, NULL, __('Maintenance', 'luna'));
} else {
draw_wall_error(__('There is an update ready to be installed', 'luna'), '<form id="install" method="post" action="db_update.php"><input type="hidden" name="stage" value="start" /><input class="btn btn-default btn-lg" type="submit" name="start" value="' . __('Start update', 'luna') . '" /></form>', __('Update Luna', 'luna'));
}
$db->end_transaction();
$db->close();
exit;
}
switch ($stage) {
// Start by updating the database structure
case 'start':
$query_str = '?stage=preparse_comments';
// If we don't need to update the database, skip this stage
if (isset($luna_config['o_database_revision']) && $luna_config['o_database_revision'] >= Version::LUNA_DB_VERSION) {
break;
}
// Change the default style if the old doesn't exist anymore
if (!file_exists(LUNA_ROOT . 'themes/' . $luna_config['o_default_style'] . '/style.css')) {
$mysql_info = $db->get_version();
if (version_compare($mysql_info['version'], Version::MIN_MYSQL_VERSION, '<')) {
error(sprintf(__('You are running %1$s version %2$s. Luna %3$s requires at least %1$s %4$s to run properly. You must upgrade your %1$s installation before you can continue.', 'luna'), 'MySQL', $mysql_info['version'], Version::FORUM_VERSION, Version::MIN_MYSQL_VERSION));
}
$mysql = true;
break;
case 'pgsql':
$pgsql_info = $db->get_version();
if (version_compare($pgsql_info['version'], Version::MIN_PGSQL_VERSION, '<')) {
error(sprintf(__('You are running %1$s version %2$s. Luna %3$s requires at least %1$s %4$s to run properly. You must upgrade your %1$s installation before you can continue.', 'luna'), 'PostgreSQL', $pgsql_info['version'], Version::FORUM_VERSION, Version::MIN_PGSQL_VERSION));
}
break;
}
// Check the database, search index and parser revision and the current version
if (isset($luna_config['o_database_revision']) && $luna_config['o_database_revision'] >= Version::FORUM_DB_VERSION && isset($luna_config['o_searchindex_revision']) && $luna_config['o_searchindex_revision'] >= Version::FORUM_SI_VERSION && isset($luna_config['o_parser_revision']) && $luna_config['o_parser_revision'] >= Version::FORUM_PARSER_VERSION && array_key_exists('o_core_version', $luna_config) && version_compare($luna_config['o_core_version'], Version::FORUM_CORE_VERSION, '>=')) {
draw_wall_error(__('Your forum is already as up-to-date as this script can make it.', 'luna'), '<a class="btn btn-default" href="index.php">Continue</a>', __('Let\'s get started', 'luna'));
exit;
}
// Check style
$default_style = $luna_config['o_default_style'];
if (!file_exists(FORUM_ROOT . 'themes/' . $default_style . '/style.css')) {
$default_style = 'Fifteen';
}
// Empty all output buffers and stop buffering
while (@ob_end_clean()) {
}
$stage = isset($_REQUEST['stage']) ? $_REQUEST['stage'] : '';
$old_charset = isset($_REQUEST['req_old_charset']) ? str_replace('ISO8859', 'ISO-8859', strtoupper($_REQUEST['req_old_charset'])) : 'ISO-8859-1';
$start_at = isset($_REQUEST['start_at']) ? intval($_REQUEST['start_at']) : 0;
$query_str = '';
// Show form
if (file_exists(FORUM_ROOT . 'lang/English/luna.mo')) {
load_textdomain('luna', FORUM_ROOT . 'lang/English/luna.mo');
} else {
error('There is no valid language pack \'' . luna_htmlspecialchars($luna_user['language']) . '\' installed. Please reinstall a language of that name');
}
// If a config file is in place
if (file_exists(FORUM_ROOT . 'config.php')) {
// Check to see whether Luna is already installed
include FORUM_ROOT . 'config.php';
// This fixes incorrect defined PUN, FluxBB 1.4 and 1.5 and ModernBB 1.6
if (defined('PUN')) {
define('FORUM', PUN);
}
// If FORUM is defined, config.php is probably valid and thus the software is installed
if (defined('FORUM')) {
draw_wall_error(__('It seems like Luna is already installed.', 'luna'), '<a class="btn btn-default btn-lg" href="index.php">' . __('Continue', 'luna') . '</a>', __('We\'re done here', 'luna'));
}
exit;
}
// Define FORUM because email.php requires it
define('FORUM', 1);
// If the cache directory is not specified, we use the default setting
if (!defined('FORUM_CACHE_DIR')) {
define('FORUM_CACHE_DIR', FORUM_ROOT . 'cache/');
}
// Make sure we are running at least Version::MIN_PHP_VERSION
if (!Installer::is_supported_php_version()) {
exit(sprintf(__('You are running %1$s version %2$s. Luna %3$s requires at least %1$s %4$s to run properly. You must upgrade your %1$s installation before you can continue.', 'luna'), 'PHP', PHP_VERSION, Version::FORUM_VERSION, Version::MIN_PHP_VERSION));
}
if (isset($_POST['generate_config'])) {
header('Content-Type: text/x-delimtext; name="config.php"');
if (file_exists(FORUM_ROOT . 'lang/English/luna.mo')) {
load_textdomain('luna', FORUM_ROOT . 'lang/English/luna.mo');
} else {
error('There is no valid language pack \'' . luna_htmlspecialchars($luna_user['language']) . '\' installed. Please reinstall a language of that name');
}
// If a config file is in place
if (file_exists(FORUM_ROOT . 'config.php')) {
// Check to see whether Luna is already installed
include FORUM_ROOT . 'config.php';
// This fixes incorrect defined PUN, FluxBB 1.4 and 1.5 and ModernBB 1.6
if (defined('PUN')) {
define('FORUM', PUN);
}
// If FORUM is defined, config.php is probably valid and thus the software is installed
if (defined('FORUM')) {
draw_wall_error(__('It seems like Luna is already installed.', 'luna'), '<a class="btn btn-default" href="index.php">Continue</a>', __('Let\'s get started', 'luna'));
}
exit;
}
// Define FORUM because email.php requires it
define('FORUM', 1);
// If the cache directory is not specified, we use the default setting
if (!defined('FORUM_CACHE_DIR')) {
define('FORUM_CACHE_DIR', FORUM_ROOT . 'cache/');
}
// Make sure we are running at least Version::MIN_PHP_VERSION
if (!Installer::is_supported_php_version()) {
exit(sprintf(__('You are running %1$s version %2$s. Luna %3$s requires at least %1$s %4$s to run properly. You must upgrade your %1$s installation before you can continue.', 'luna'), 'PHP', PHP_VERSION, Version::FORUM_VERSION, Version::MIN_PHP_VERSION));
}
if (isset($_POST['generate_config'])) {
header('Content-Type: text/x-delimtext; name="config.php"');
