/**
*
*/
public function truncate()
{
$defaultHeader = $this->getDefaultHeader();
$this->close();
if (WFWAF_IS_WINDOWS) {
file_put_contents($this->getFile(), $defaultHeader, LOCK_EX);
} else {
wfWAFStorageFile::atomicFilePutContents($this->getFile(), $defaultHeader, 'attack');
}
$this->header = array();
$this->offsetTable = array();
$this->open();
}
/**
* @param $rules
* @param bool|int $updateLastUpdatedTimestamp
* @throws wfWAFBuildRulesException
*/
public function updateRuleSet($rules, $updateLastUpdatedTimestamp = true)
{
try {
if (is_string($rules)) {
$ruleString = $rules;
$parser = new wfWAFRuleParser(new wfWAFRuleLexer($rules), $this);
$rules = $parser->parse();
}
if (!is_writable($this->getCompiledRulesFile())) {
throw new wfWAFBuildRulesException('Rules file not writable.');
}
wfWAFStorageFile::atomicFilePutContents($this->getCompiledRulesFile(), sprintf(<<<PHP
<?php
if (!defined('WFWAF_VERSION')) {
\texit('Access denied');
}
/*
\tThis file is generated automatically. Any changes made will be lost.
*/
%s?>
PHP
, $this->buildRuleSet($rules)), 'rules');
if (!empty($ruleString) && !WFWAF_DEBUG) {
wfWAFStorageFile::atomicFilePutContents($this->getStorageEngine()->getRulesDSLCacheFile(), $ruleString, 'rules');
}
if ($updateLastUpdatedTimestamp) {
$this->getStorageEngine()->setConfig('rulesLastUpdated', is_int($updateLastUpdatedTimestamp) ? $updateLastUpdatedTimestamp : time());
}
} catch (wfWAFBuildRulesException $e) {
// Do something.
throw $e;
}
}
