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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2009 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Upgrader_Controller extends Controller {
public function index() {
$session = Session::instance();
// Make sure we have an upgrade token
if (!($upgrade_token = $session->get("upgrade_token", null))) {
$session->set("upgrade_token", $upgrade_token = md5(rand()));
}
// If the upgrade token exists, then bless this session
if (file_exists(TMPPATH . $upgrade_token)) {
$session->set("can_upgrade", true);
@unlink(TMPPATH . $upgrade_token);
}
$available_upgrades = 0;
foreach (module::available() as $module) {
if ($module->version && $module->version != $module->code_version) {
$available_upgrades++;
}
}
$view = new View("upgrader.html");
$view->can_upgrade = user::active()->admin || $session->get("can_upgrade");
$view->upgrade_token = $upgrade_token;
$view->available = module::available();
$view->done = ($available_upgrades == 0);
print $view;
}
public function upgrade() {
if (php_sapi_name() == "cli") {
// @todo this may screw up some module installers, but we don't have a better answer at
// this time.
$_SERVER["HTTP_HOST"] = "example.com";
} else if (!user::active()->admin && !Session::instance()->get("can_upgrade", false)) {
access::forbidden();
}
// Upgrade gallery and user first
module::upgrade("gallery");
module::upgrade("user");
// Then upgrade the rest
foreach (module::available() as $id => $module) {
if ($id == "gallery") {
continue;
}
if ($module->active && $module->code_version != $module->version) {
module::upgrade($id);
}
}
if (php_sapi_name() == "cli") {
print "Upgrade complete\n";
} else {
url::redirect("upgrader");
}
}
}
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