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<?php
/*
** Zabbix
** Copyright (C) 2001-2019 Zabbix SIA
**
** 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 CUrlFactory {
/**
* Configuration of context configurations. Top-level key is file name from $page['file'], below goes:
* 'remove' - to remove arguments
* 'add' - name of $_REQUEST keys to be kept as arguments
* 'callable' - callable to apply to argument list
*
* @var array
*/
protected static $contextConfigs = [
'actionconf.php' => [
'remove' => ['actionid']
],
'applications.php' => [
'remove' => ['applicationid']
],
'disc_prototypes.php' => [
'remove' => ['itemid'],
'add' => ['hostid', 'parent_discoveryid']
],
'discoveryconf.php' => [
'remove' => ['druleid']
],
'graphs.php' => [
'remove' => ['graphid'],
'add' => ['hostid', 'parent_discoveryid']
],
'host_discovery.php' => [
'remove' => ['itemid'],
'add' => ['hostid']
],
'host_prototypes.php' => [
'remove' => ['hostid'],
'add' => ['parent_discoveryid']
],
'hostgroups.php' => [
'remove' => ['groupid']
],
'hosts.php' => [
'remove' => ['hostid']
],
'httpconf.php' => [
'remove' => ['httptestid']
],
'items.php' => [
'remove' => ['itemid']
],
'maintenance.php' => [
'remove' => ['maintenanceid']
],
'screenconf.php' => [
'remove' => ['screenid'],
'add' => ['templateid']
],
'slideconf.php' => [
'remove' => ['slideshowid']
],
'sysmaps.php' => [
'remove' => ['sysmapid']
],
'templates.php' => [
'remove' => ['templateid']
],
'trigger_prototypes.php' => [
'remove' => ['triggerid'],
'add' => ['parent_discoveryid', 'hostid']
],
'triggers.php' => [
'remove' => ['triggerid'],
'add' => ['hostid']
],
'usergrps.php' => [
'remove' => ['usrgrpid']
],
'users.php' => [
'remove' => ['userid']
],
'__default' => [
'remove' => ['cancel', 'form', 'delete']
]
];
/**
* Creates new CUrl object based on giver URL (or $_REQUEST if null is given),
* and adds/removes parameters based on current page context.
*
* @param string $sourceUrl
*
* @return CUrl
*/
public static function getContextUrl($sourceUrl = null) {
$config = self::resolveConfig();
$url = new CUrl($sourceUrl);
if (isset($config['remove'])) {
foreach ($config['remove'] as $key) {
$url->removeArgument($key);
}
}
if (isset($config['add'])) {
foreach ($config['add'] as $key) {
$url->setArgument($key, getRequest($key));
}
}
return $url;
}
/**
* Resolves context configuration for current file (based on $page['file'] global variable)
*
* @return array
*/
protected static function resolveConfig() {
global $page;
if (isset($page['file']) && isset(self::$contextConfigs[$page['file']])) {
return array_merge_recursive(self::$contextConfigs['__default'], self::$contextConfigs[$page['file']]);
}
return self::$contextConfigs['__default'];
}
}
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