/**
* Checks if cHash is required for the current request and calls
* TypoScriptFrontendController::reqCHash() if so.
* This call will trigger a PageNotFoundException if arguments are required and cHash is not present.
*
* @param Request $request
* @param string $pluginNamespace
*/
public function enforceForRequest(Request $request, string $pluginNamespace)
{
$arguments = $request->getArguments();
if (is_array($arguments) && count($arguments) > 0) {
$parameters = [$pluginNamespace => $arguments];
$parameters['id'] = $this->typoScriptFrontendController->id;
$relevantParameters = $this->cacheHashCalculator->getRelevantParameters(http_build_query($parameters));
if (count($relevantParameters) > 0) {
$this->typoScriptFrontendController->reqCHash();
}
}
}
/**
* @dataProvider canSkipParametersWithEmptyValuesDataprovider
* @test
*/
public function canSkipParametersWithEmptyValues($params, $settings, $expected)
{
$this->fixture->setConfiguration($settings);
$actual = $this->fixture->getRelevantParameters($params);
$this->assertEquals($expected, array_keys($actual));
}
/**
* Calculates a hash string based on additional parameters in the url.
*
* Calculated hash is stored in $this->cHash_array.
* This is used to cache pages with more parameters than just id and type.
*
* @return void
* @see reqCHash()
*/
public function makeCacheHash()
{
// No need to test anything if caching was already disabled.
if ($this->no_cache && !$this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
return;
}
$GET = GeneralUtility::_GET();
if ($this->cHash && is_array($GET)) {
$this->cHash_array = $this->cacheHash->getRelevantParameters(GeneralUtility::implodeArrayForUrl('', $GET));
$cHash_calc = $this->cacheHash->calculateCacheHash($this->cHash_array);
if ($cHash_calc != $this->cHash) {
if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
$this->pageNotFoundAndExit('Request parameters could not be validated (&cHash comparison failed)');
} else {
$this->disableCache();
$this->getTimeTracker()->setTSlogMessage('The incoming cHash "' . $this->cHash . '" and calculated cHash "' . $cHash_calc . '" did not match, so caching was disabled. The fieldlist used was "' . implode(',', array_keys($this->cHash_array)) . '"', 2);
}
}
} elseif (is_array($GET)) {
// No cHash is set, check if that is correct
if ($this->cacheHash->doParametersRequireCacheHash(GeneralUtility::implodeArrayForUrl('', $GET))) {
$this->reqCHash();
}
}
}
