Files
iTop/datamodels/2.x/itop-config/config.php

252 lines
8.5 KiB
PHP

<?php
// Copyright (C) 2014-2016 Combodo SARL
//
// This file is part of iTop.
//
// iTop is free software; you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// iTop 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with iTop. If not, see <http://www.gnu.org/licenses/>
/**
* Monitor the backup
*
* @copyright Copyright (C) 2013 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
require_once('../../approot.inc.php');
require_once(APPROOT.'application/application.inc.php');
require_once(APPROOT.'application/itopwebpage.class.inc.php');
require_once(APPROOT.'application/startup.inc.php');
require_once(APPROOT.'application/loginwebpage.class.inc.php');
function TestConfig($sContents, $oP)
{
try
{
ini_set('display_errors', 1);
ob_start();
eval('?'.'>'.trim($sContents));
$sNoise = trim(ob_get_contents());
ob_end_clean();
}
catch (Exception $e)
{
// well, never reach in case of parsing error :-(
throw new Exception('Error in configuration: '.$e->getMessage());
}
if (strlen($sNoise) > 0)
{
if (preg_match("/(Error|Parse error|Notice|Warning): (.+) in \S+ : eval\(\)'d code on line (\d+)/i", strip_tags($sNoise), $aMatches))
{
$sMessage = $aMatches[2];
$sLine = $aMatches[3];
$iLine = (int) $sLine;
// Highlight the line
$aLines = explode("\n", $sContents);
$iStart = 0;
for ($i = 0 ; $i < $iLine - 1; $i++) $iStart += strlen($aLines[$i]);
$iEnd = $iStart + strlen($aLines[$iLine - 1]);
$iTotalLines = count($aLines);
$oP->add_ready_script(
<<<EOF
setCursorPos($('#new_config')[0], $iStart, $iEnd);
$('#new_config')[0].focus();
var iScroll = Math.floor($('#new_config')[0].scrollHeight * ($iLine - 20) / $iTotalLines);
$('#new_config').scrollTop(iScroll);
EOF
);
$sMessage = Dict::Format('config-parse-error', $sMessage, $sLine);
throw new Exception($sMessage);
}
else
{
// Note: sNoise is an html output, but so far it was ok for me (e.g. showing the entire call stack)
throw new Exception('Syntax error in configuration file: <tt>'.$sNoise.'</tt>');
}
}
}
/////////////////////////////////////////////////////////////////////
// Main program
//
LoginWebPage::DoLogin(true); // Check user rights and prompt if needed (must be admin)
//$sOperation = utils::ReadParam('operation', 'menu');
//$oAppContext = new ApplicationContext();
$oP = new iTopWebPage(Dict::S('config-edit-title'));
$oP->set_base(utils::GetAbsoluteUrlAppRoot().'pages/');
try
{
$sOperation = utils::ReadParam('operation', '');
$oP->add("<h1>".Dict::S('config-edit-title')."</h1>");
if (MetaModel::GetConfig()->Get('demo_mode'))
{
$oP->add("<div class=\"header_message message_info\">Sorry, iTop is in <b>demonstration mode</b>: the configuration file cannot be edited.</div>");
}
if (MetaModel::GetModuleSetting('itop-config', 'config_editor', '') == 'disabled')
{
$oP->add("<div class=\"header_message message_info\">iTop interactive edition of the configuration as been disabled. See <tt>'config_editor' => 'disabled'</tt> in the configuration file.</div>");
}
else
{
$oP->add_style(
<<<EOF
textarea {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
width: 100%;
height: 550px;
}
.current_line {
display: none;
margin-left: 20px;
}
EOF
);
$sConfigFile = APPROOT.'conf/'.utils::GetCurrentEnvironment().'/config-itop.php';
if ($sOperation == 'save')
{
$sConfig = utils::ReadParam('new_config', '', false, 'raw_data');
$sTransactionId = utils::ReadParam('transaction_id', '');
$sOrginalConfig = utils::ReadParam('prev_config', '', false, 'raw_data');
if (!utils::IsTransactionValid($sTransactionId, true))
{
$oP->add("<div class=\"header_message message_info\">Error: invalid Transaction ID. The configuration was <b>NOT</b> modified.</div>");
}
else
{
if ($sConfig == $sOrginalConfig)
{
$oP->add('<div id="save_result" class="header_message">'.Dict::S('config-no-change').'</div>');
}
else
{
try
{
TestConfig($sConfig, $oP); // throws exceptions
@chmod($sConfigFile, 0770); // Allow overwriting the file
$sTmpFile = tempnam(SetupUtils::GetTmpDir(), 'itop-cfg-');
// Don't write the file as-is since it would allow to inject any kind of PHP code.
// Instead write the interpreted version of the file
// Note:
// The actual raw PHP code will anyhow be interpreted exactly twice: once in TestConfig() above
// and a second time during the load of the Config object below.
// If you are really concerned about an iTop administrator crafting some malicious
// PHP code inside the config file, then turn off the interactive configuration
// editor by adding the configuration parameter:
// 'itop-config' => array(
// 'config_editor' => 'disabled',
// )
file_put_contents($sTmpFile, $sConfig);
$oTempConfig = new Config($sTmpFile, true);
$oTempConfig->WriteToFile($sConfigFile);
@unlink($sTmpFile);
@chmod($sConfigFile, 0444); // Read-only
$oP->p('<div id="save_result" class="header_message message_ok">'.Dict::S('Successfully recorded.').'</div>');
$sOrginalConfig = str_replace("\r\n", "\n", file_get_contents($sConfigFile));
}
catch (Exception $e)
{
$oP->p('<div id="save_result" class="header_message message_error">'.$e->getMessage().'</div>');
}
}
}
}
else
{
$sConfig = str_replace("\r\n", "\n", file_get_contents($sConfigFile));
$sOrginalConfig = $sConfig;
}
$sConfigEscaped = htmlentities($sConfig, ENT_QUOTES, 'UTF-8');
$sOriginalConfigEscaped = htmlentities($sOrginalConfig, ENT_QUOTES, 'UTF-8');
$oP->p(Dict::S('config-edit-intro'));
$oP->add("<form method=\"POST\">");
$oP->add("<input type=\"hidden\" name=\"operation\" value=\"save\">");
$oP->add("<input type=\"hidden\" name=\"transaction_id\" value=\"".utils::GetNewTransactionId()."\">");
$oP->add("<input type=\"submit\" value=\"".Dict::S('config-apply')."\"><button onclick=\"ResetConfig(); return false;\">".Dict::S('config-cancel')."</button>");
$oP->add("<span class=\"current_line\">".Dict::Format('config-current-line', "<span class=\"line_number\"></span>")."</span>");
$oP->add("<input type=\"hidden\" id=\"prev_config\" name=\"prev_config\" value=\"$sOriginalConfigEscaped\">");
$oP->add("<textarea id =\"new_config\" name=\"new_config\" onkeyup=\"UpdateLineNumber();\" onmouseup=\"UpdateLineNumber();\">$sConfigEscaped</textarea>");
$oP->add("<input type=\"submit\" value=\"".Dict::S('config-apply')."\"><button onclick=\"ResetConfig(); return false;\">".Dict::S('config-cancel')."</button>");
$oP->add("<span class=\"current_line\">".Dict::Format('config-current-line', "<span class=\"line_number\"></span>")."</span>");
$oP->add("</form>");
$sConfirmCancel = addslashes(Dict::S('config-confirm-cancel'));
$oP->add_script(
<<<EOF
function UpdateLineNumber()
{
var oTextArea = $('#new_config')[0];
$('.line_number').html(oTextArea.value.substr(0, oTextArea.selectionStart).split("\\n").length);
$('.current_line').show();
}
function ResetConfig()
{
if ($('#new_config').val() != $('#prev_config').val())
{
if (confirm('$sConfirmCancel'))
{
$('#new_config').val($('#prev_config').val());
}
}
$('.current_line').hide();
$('#save_result').hide();
return false;
}
function setCursorPos(input, start, end) {
if (arguments.length < 3) end = start;
if ("selectionStart" in input) {
setTimeout(function() {
input.selectionStart = start;
input.selectionEnd = end;
}, 1);
}
else if (input.createTextRange) {
var rng = input.createTextRange();
rng.moveStart("character", start);
rng.collapse();
rng.moveEnd("character", end - start);
rng.select();
}
}
EOF
);
}
}
catch(Exception $e)
{
$oP->p('<b>'.$e->getMessage().'</b>');
}
$oP->output();