/**
* Run any php upgrade scripts which are required
*
* @param int $version Version upgrading from.
* @param bool $quiet Suppress errors. Don't use this.
*
* @return bool
* @access private
*/
function upgrade_code($version, $quiet = FALSE)
{
// do not remove - upgrade scripts depend on this
global $CONFIG;
$version = (int) $version;
$upgrade_path = elgg_get_config('path') . 'engine/lib/upgrades/';
$processed_upgrades = elgg_get_processed_upgrades();
// upgrading from 1.7 to 1.8. Need to bootstrap.
if (!$processed_upgrades) {
elgg_upgrade_bootstrap_17_to_18();
// grab accurate processed upgrades
$processed_upgrades = elgg_get_processed_upgrades();
}
$upgrade_files = elgg_get_upgrade_files($upgrade_path);
if ($upgrade_files === false) {
return false;
}
$upgrades = elgg_get_unprocessed_upgrades($upgrade_files, $processed_upgrades);
// Sort and execute
sort($upgrades);
foreach ($upgrades as $upgrade) {
$upgrade_version = elgg_get_upgrade_file_version($upgrade);
$success = true;
// hide all errors.
if ($quiet) {
// hide include errors as well as any exceptions that might happen
try {
if (!@(include "{$upgrade_path}/{$upgrade}")) {
$success = false;
error_log("Could not include {$upgrade_path}/{$upgrade}");
}
} catch (Exception $e) {
$success = false;
error_log($e->getmessage());
}
} else {
if (!(include "{$upgrade_path}/{$upgrade}")) {
$success = false;
error_log("Could not include {$upgrade_path}/{$upgrade}");
}
}
if ($success) {
// incrementally set upgrade so we know where to start if something fails.
$processed_upgrades[] = $upgrade;
// don't set the version to a lower number in instances where an upgrade
// has been merged from a lower version of Elgg
if ($upgrade_version > $version) {
datalist_set('version', $upgrade_version);
}
elgg_set_processed_upgrades($processed_upgrades);
} else {
return false;
}
}
return true;
}
function file_tools_upgrade_handler()
{
$upgrades_path = dirname(dirname(__FILE__)) . "/upgrades/";
// find all upgrade files
$upgrade_files = elgg_get_upgrade_files($upgrades_path);
// get processed upgrade file, so we can add our own files when done
$processed_upgrades = elgg_get_processed_upgrades();
// get unprocessed upgrade files
if ($unprocessed_upgrades = elgg_get_unprocessed_upgrades($upgrade_files, $processed_upgrades)) {
foreach ($unprocessed_upgrades as $upgrade_file) {
// make sure we don't try to run someone elses upgrade files
if (in_array($upgrade_file, $upgrade_files) && file_exists($upgrades_path . $upgrade_file)) {
// run upgrade
include $upgrades_path . $upgrade_file;
// make sure we don't do it again
$processed_upgrades[] = $upgrade_file;
}
}
// store processed upgrade files
elgg_set_processed_upgrades($processed_upgrades);
}
}
* after an upgrade, you can delete it. Future versions of Elgg will include a
* new version of the script. Deleting the script is not a requirement and
* leaving it behind does not affect the security of the site.
*
* @package Elgg.Core
* @subpackage Upgrade
*/
// we want to know if an error occurs
ini_set('display_errors', 1);
define('UPGRADING', 'upgrading');
require_once dirname(__FILE__) . "/engine/start.php";
if (get_input('upgrade') == 'upgrade') {
// disable the system log for upgrades to avoid exceptions when the schema changes.
elgg_unregister_event_handler('log', 'systemlog', 'system_log_default_logger');
elgg_unregister_event_handler('all', 'all', 'system_log_listener');
if (elgg_get_unprocessed_upgrades()) {
version_upgrade();
}
elgg_trigger_event('upgrade', 'system', null);
elgg_invalidate_simplecache();
elgg_reset_system_cache();
} else {
// if upgrading from < 1.8.0, check for the core view 'welcome' and bail if it's found.
// see http://trac.elgg.org/ticket/3064
// we're not checking the view itself because it's likely themes will override this view.
// we're only concerned with core files.
$welcome = dirname(__FILE__) . '/views/default/welcome.php';
if (file_exists($welcome)) {
elgg_set_viewtype('failsafe');
// can't have pretty messages because we don't know the state of the views.
$content = elgg_echo('upgrade:unable_to_upgrade_info');
/**
* Run any php upgrade scripts which are required
*
* @param int $version Version upgrading from.
* @param bool $quiet Suppress errors. Don't use this.
*
* @return bool
*/
function upgrade_code($version, $quiet = FALSE)
{
global $CONFIG;
$version = (int) $version;
$upgrade_path = elgg_get_config('path') . 'engine/lib/upgrades/';
$processed_upgrades = unserialize(datalist_get('processed_upgrades'));
// the day we started the new upgrade names
$upgrade_epoch = 2011021700;
if (!$processed_upgrades) {
$processed_upgrades = array();
}
$upgrades = array();
$upgrade_files = elgg_get_upgrade_files($upgrade_path);
if ($upgrade_files === false) {
return false;
}
// bootstrap into the new upgrade system.
// can't do this in an upgrade because we need to check for 2010050701,
// which would already have been run by then.
if ($version < $upgrade_epoch) {
foreach ($upgrade_files as $upgrade_file) {
$upgrade_version = elgg_get_upgrade_file_version($upgrade_file);
// the upgrade that made life difficult
// the only way to test if we're upgrading from 1.7 to 1.8 or within 1.8
// is to test for the the walled_garden config option, which
// 2010050701 explicitly sets
if ($upgrade_version == 2010050701) {
$db_prefix = elgg_get_config('dbprefix');
$site_guid = elgg_get_config('site_guid');
$q = "SELECT value FROM {$db_prefix}config\n\t\t\t\t\tWHERE name = 'walled_garden' AND site_guid = {$site_guid}";
$result = get_data_row($q);
if (!$result) {
$upgrades[] = $upgrade_file;
}
continue;
} elseif ($version < $upgrade_version) {
$upgrades[] = $upgrade_file;
} else {
// all of the upgrades before the epoch have been run except one...
$processed_upgrades[] = $upgrade_file;
}
}
} else {
// add any upgrades that haven't been run to the upgrades list
$upgrades = elgg_get_unprocessed_upgrades($upgrade_files, $processed_upgrades);
}
// Sort and execute
sort($upgrades);
foreach ($upgrades as $upgrade) {
$upgrade_version = elgg_get_upgrade_file_version($upgrade);
$success = true;
// hide all errors.
if ($quiet) {
// hide include errors as well as any exceptions that might happen
try {
if (!@(include "{$upgrade_path}/{$upgrade}")) {
$success = false;
error_log($e->getmessage());
}
} catch (Exception $e) {
$success = false;
error_log($e->getmessage());
}
} else {
if (!(include "{$upgrade_path}/{$upgrade}")) {
$success = false;
}
}
if ($success) {
// incrementally set upgrade so we know where to start if something fails.
$processed_upgrades[] = $upgrade;
// don't set the version to a lower number in instances where an upgrade
// has been merged from a lower version
if ($upgrade_version > $version) {
datalist_set('version', $upgrade_version);
}
$processed_upgrades = array_unique($processed_upgrades);
datalist_set('processed_upgrades', serialize($processed_upgrades));
} else {
return false;
}
}
return true;
}
