Feature #17085 » class.tslib_fe.php.diff
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* @see reqCHash()
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*/
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function makeCacheHash() {
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/* Declare */
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$GET = t3lib_div::_GET();
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if ($this->cHash && is_array($GET)) {
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$this->cHash_array = t3lib_div::cHashParams(t3lib_div::implodeArrayForUrl('',$GET));
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$cHash_calc = t3lib_div::shortMD5(serialize($this->cHash_array));
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$cHashNeeded = false;
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$this->cHash_array = t3lib_div::cHashParams(t3lib_div::implodeArrayForUrl('',$GET));
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$cHash_calc = t3lib_div::shortMD5(serialize($cHash_array)); // Calculating the correct cHash
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if ($cHash_calc!=$this->cHash) {
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if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
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$this->pageNotFoundAndExit('Request parameters could not be validated (&cHash comparison failed)');
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} else {
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$this->set_no_cache();
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$GLOBALS['TT']->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($this->cHash_array)).'"',2);
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}
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/* Begin */
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if ((count($this->cHash_array) == 1) && isset($this->cHash_array['encryptionKey'])) {
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//We have only 1 key, and it's 'encryptionKey', also all GET parameters are TYPO3 reserved variables -> no cHash needed
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$cHashNeeded = false;
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//Reset cHash_array
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$this->cHash_array = array();
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} elseif ((count($this->cHash_array) == 2) && isset($this->cHash_array['']) && isset($this->cHash_array['encryptionKey'])) {
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//If we have only 2 keys, and theses two keys are '' and 'encryptionKey', then whe are sure that we have NO _GET parameters
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$cHashNeeded = false;
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//Reset cHash_array
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$this->cHash_array = array();
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} else {
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//Here we need a correct cHash
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$cHashNeeded = true;
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}
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//*** Checks cHash needed against cHash found, and compare it (a missing cHash or a useless cHash is WRONG)
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if (($cHashNeeded XOR $this->cHash) || strcmp($cHash_calc, $this->cHash)) {
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if ($this->TYPO3_CONF_VARS['FE']['pageNotFoundOnCHashError']) {
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$this->pageNotFoundAndExit('Request parameters could not be validated (&cHash comparison failed)');
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} else {
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$this->set_no_cache();
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$GLOBALS['TT']->setTSlogMessage('The incoming cHash "'.$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);
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}
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}
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}
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/**
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