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<?php
/*
** Zabbix
** Copyright (C) 2001-2014 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.
**/
/************ CONFIG **************/
function select_config($cache = true) {
global $page;
static $config;
if ($cache && isset($config)) {
return $config;
}
$db_config = DBfetch(DBselect('SELECT c.* FROM config c'));
if (!empty($db_config)) {
$config = $db_config;
return $db_config;
}
elseif (isset($page['title']) && $page['title'] != _('Installation')) {
error(_('Unable to select configuration.'));
}
return $db_config;
}
function update_config($configs) {
$update = array();
if (isset($configs['work_period'])) {
$timePeriodValidator = new CTimePeriodValidator();
if (!$timePeriodValidator->validate($configs['work_period'])) {
error(_('Incorrect working time.'));
return false;
}
}
if (isset($configs['alert_usrgrpid'])) {
if ($configs['alert_usrgrpid'] != 0 && !DBfetch(DBselect('SELECT u.usrgrpid FROM usrgrp u WHERE u.usrgrpid='.zbx_dbstr($configs['alert_usrgrpid'])))) {
error(_('Incorrect user group.'));
return false;
}
}
if (isset($configs['discovery_groupid'])) {
$groupid = API::HostGroup()->get(array(
'groupids' => $configs['discovery_groupid'],
'output' => array('groupid'),
'preservekeys' => true
));
if (empty($groupid)) {
error(_('Incorrect host group.'));
return false;
}
}
// checking color values to be correct hexadecimal numbers
$colors = array(
'severity_color_0',
'severity_color_1',
'severity_color_2',
'severity_color_3',
'severity_color_4',
'severity_color_5',
'problem_unack_color',
'problem_ack_color',
'ok_unack_color',
'ok_ack_color'
);
$colorvalidator = new CColorValidator();
foreach ($colors as $color) {
if (isset($configs[$color]) && !is_null($configs[$color])) {
if (!$colorvalidator->validate($configs[$color])) {
error($colorvalidator->getError());
return false;
}
}
}
if (isset($configs['ok_period']) && !is_null($configs['ok_period']) && !ctype_digit($configs['ok_period'])) {
error(_('"Display OK triggers" needs to be "0" or a positive integer.'));
return false;
}
if (isset($configs['blink_period']) && !is_null($configs['blink_period']) && !ctype_digit($configs['blink_period'])) {
error(_('"Triggers blink on status change" needs to be "0" or a positive integer.'));
return false;
}
$currentConfig = select_config();
// check duplicate severity names and if name is empty.
$names = array();
for ($i = 0; $i < TRIGGER_SEVERITY_COUNT; $i++) {
$varName = 'severity_name_'.$i;
if (!isset($configs[$varName]) || is_null($configs[$varName])) {
$configs[$varName] = $currentConfig[$varName];
}
if ($configs[$varName] == '') {
error(_('Severity name cannot be empty.'));
return false;
}
if (isset($names[$configs[$varName]])) {
error(_s('Duplicate severity name "%s".', $configs[$varName]));
return false;
}
else {
$names[$configs[$varName]] = 1;
}
}
foreach ($configs as $key => $value) {
if (!is_null($value)) {
if ($key == 'alert_usrgrpid') {
$update[] = $key.'='.(($value == '0') ? 'NULL' : $value);
}
else{
$update[] = $key.'='.zbx_dbstr($value);
}
}
}
if (count($update) == 0) {
error(_('Nothing to do.'));
return null;
}
return DBexecute('UPDATE config SET '.implode(',', $update));
}
/************ HISTORY **************/
function get_user_history() {
$result = array();
$delimiter = new CSpan('»', 'delimiter');
$history = DBfetch(DBSelect(
'SELECT uh.title1,uh.url1,uh.title2,uh.url2,uh.title3,uh.url3,uh.title4,uh.url4,uh.title5,uh.url5'.
' FROM user_history uh'.
' WHERE uh.userid='.CWebUser::$data['userid'])
);
if (!empty($history) && !zbx_empty($history['url4'])) {
CWebUser::$data['last_page'] = array('title' => $history['title4'], 'url' => $history['url4']);
}
else {
CWebUser::$data['last_page'] = array('title' => _('Dashboard'), 'url' => 'dashboard.php');
}
for ($i = 1; $i < 6; $i++) {
if (!zbx_empty($history['title'.$i])) {
$url = new CLink($history['title'.$i], $history['url'.$i], 'history');
array_push($result, array(SPACE, $url, SPACE));
array_push($result, $delimiter);
}
}
array_pop($result);
return $result;
}
/**
* Check if url length is greater than DB field size. If size is OK, return URL string.
*
* @param string $page['hist_arg']
* @param string $page['file']
*
* @return string
*/
function getHistoryUrl($page) {
if (isset($page['hist_arg']) && is_array($page['hist_arg'])) {
$url = '';
foreach ($page['hist_arg'] as $arg) {
if (isset($_REQUEST[$arg])) {
$url .= url_param($arg, true);
}
}
if ($url) {
$url[0] = '?';
}
$url = $page['file'].$url;
}
else {
$url = $page['file'];
}
// if url length is greater than db field size, skip history update
$historyTableSchema = DB::getSchema('user_history');
// $url is encoded
return (strlen($url) > $historyTableSchema['fields']['url5']['length']) ? '' : $url;
}
function addUserHistory($title, $url) {
$userId = CWebUser::$data['userid'];
$history5 = DBfetch(DBSelect(
'SELECT uh.title5,uh.url5'.
' FROM user_history uh'.
' WHERE uh.userid='.$userId
));
if ($history5) {
if ($history5['title5'] === $title) {
if ($history5['url5'] === $url) {
return true;
}
else {
$sql = 'UPDATE user_history SET url5='.zbx_dbstr($url).' WHERE userid='.$userId;
}
}
else {
$sql = 'UPDATE user_history'.
' SET title1=title2,'.
' url1=url2,'.
' title2=title3,'.
' url2=url3,'.
' title3=title4,'.
' url3=url4,'.
' title4=title5,'.
' url4=url5,'.
' title5='.zbx_dbstr($title).','.
' url5='.zbx_dbstr($url).
' WHERE userid='.$userId;
}
}
else {
$userHistoryId = get_dbid('user_history', 'userhistoryid');
$sql = 'INSERT INTO user_history (userhistoryid, userid, title5, url5)'.
' VALUES('.$userHistoryId.', '.$userId.', '.zbx_dbstr($title).', '.zbx_dbstr($url).')';
}
return DBexecute($sql);
}
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