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48 lines
1.4 KiB
PHP
48 lines
1.4 KiB
PHP
<?php
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/**
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* Created by Bruno DA SILVA, working for Combodo
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* Date: 31/12/2019
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* Time: 12:29
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*/
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namespace Combodo\iTop\Config\Validator;
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class iTopConfigSyntaxValidator
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{
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/**
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* @param $sRawConfig
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*
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* @throws \Exception
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*/
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public function Validate($sRawConfig)
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{
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try {
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ini_set('display_errors', 1);
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ob_start();
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// in PHP < 7.0.0 syntax errors are in output
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// in PHP >= 7.0.0 syntax errors are thrown as Error
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$sConfig = preg_replace(['#^\s*<\?php#', '#\?>\s*$#'], '', $sRawConfig);
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eval('if(0){'.trim($sConfig).'}');
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$sNoise = trim(ob_get_contents());
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} catch (\Error $e) {
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// ParseError only thrown in PHP7
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throw new \Exception('Error in configuration: '.$e->getMessage().' at line '.$e->getLine(), iTopConfigValidator::CONFIG_ERROR);
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} finally {
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ob_end_clean();
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}
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if (strlen($sNoise) > 0) {
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if (preg_match("/(Error|Parse error|Notice|Warning): (.+) in \S+ : eval\(\)'d code on line (\d+)/i", strip_tags($sNoise), $aMatches)) {
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$sMessage = $aMatches[2];
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$sLine = $aMatches[3];
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$sMessage = \Dict::Format('config-parse-error', $sMessage, $sLine);
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throw new \Exception($sMessage, iTopConfigValidator::CONFIG_ERROR);
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} else {
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// Note: sNoise is an html output, but so far it was ok for me (e.g. showing the entire call stack)
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throw new \Exception('Syntax error in configuration file: <tt>'.$sNoise.'</tt>', iTopConfigValidator::CONFIG_ERROR);
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}
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}
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}
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}
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