Files
iTop/datamodels/2.x/itop-config/src/Validator/iTopConfigSyntaxValidator.php

48 lines
1.4 KiB
PHP

<?php
/**
* Created by Bruno DA SILVA, working for Combodo
* Date: 31/12/2019
* Time: 12:29
*/
namespace Combodo\iTop\Config\Validator;
class iTopConfigSyntaxValidator
{
/**
* @param $sRawConfig
*
* @throws \Exception
*/
public function Validate($sRawConfig)
{
try {
ini_set('display_errors', 1);
ob_start();
// in PHP < 7.0.0 syntax errors are in output
// in PHP >= 7.0.0 syntax errors are thrown as Error
$sConfig = preg_replace(['#^\s*<\?php#', '#\?>\s*$#'], '', $sRawConfig);
eval('if(0){'.trim($sConfig).'}');
$sNoise = trim(ob_get_contents());
} catch (\Error $e) {
// ParseError only thrown in PHP7
throw new \Exception('Error in configuration: '.$e->getMessage().' at line '.$e->getLine(), iTopConfigValidator::CONFIG_ERROR);
} finally {
ob_end_clean();
}
if (strlen($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];
$sMessage = \Dict::Format('config-parse-error', $sMessage, $sLine);
throw new \Exception($sMessage, iTopConfigValidator::CONFIG_ERROR);
} 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>', iTopConfigValidator::CONFIG_ERROR);
}
}
}
}