Bug #23675 » 15898_4-2.diff
| typo3/sysext/cms/tslib/class.tslib_content.php (Arbeitskopie) | ||
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function locDataJU($jumpUrl,$conf) {
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$fI = pathinfo($jumpUrl);
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$mimetype='';
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$mimetypeValue = '';
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if ($fI['extension']) {
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$mimeTypes = t3lib_div::trimExplode(',',$conf['mimeTypes'],1);
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reset($mimeTypes);
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| ... | ... | |
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$locationData = $GLOBALS['TSFE']->id.':'.$this->currentRecord;
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$rec='&locationData='.rawurlencode($locationData);
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$hArr = array(
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$jumpUrl,
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$locationData,
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$mimetypeValue,
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$GLOBALS['TSFE']->TYPO3_CONF_VARS['SYS']['encryptionKey']
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$jumpUrl, $locationData, $mimetypeValue
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);
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$juHash='&juHash='.t3lib_div::shortMD5(serialize($hArr));
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$juHash = '&juHash=' . t3lib_div::hmac(serialize($hArr));
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return '&juSecure=1'.$mimetype.$rec.$juHash;
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}
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| typo3/sysext/cms/tslib/class.tslib_fe.php (Arbeitskopie) | ||
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function jumpUrl() {
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if ($this->jumpurl) {
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if (t3lib_div::_GP('juSecure')) {
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$locationData = t3lib_div::_GP('locationData');
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$mimeType = t3lib_div::_GP('mimeType');
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$locationData = (string)t3lib_div::_GP('locationData');
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$mimeType = (string)t3lib_div::_GP('mimeType'); // Need a type cast here because mimeType is optional!
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$hArr = array(
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$this->jumpurl,
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t3lib_div::_GP('locationData'),
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t3lib_div::_GP('mimeType'),
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$this->TYPO3_CONF_VARS['SYS']['encryptionKey']
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$locationData,
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$mimeType
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);
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$calcJuHash=t3lib_div::shortMD5(serialize($hArr));
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$juHash = t3lib_div::_GP('juHash');
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if ($juHash == $calcJuHash) {
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$calcJuHash = t3lib_div::hmac(serialize($hArr));
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$juHash = (string)t3lib_div::_GP('juHash');
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if ($juHash === $calcJuHash) {
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if ($this->locDataCheck($locationData)) {
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$this->jumpurl = rawurldecode($this->jumpurl); // 211002 - goes with cObj->filelink() rawurlencode() of filenames so spaces can be allowed.
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// Deny access to files that match TYPO3_CONF_VARS[SYS][fileDenyPattern] and whose parent directory is typo3conf/ (there could be a backup file in typo3conf/ which does not match against the fileDenyPattern)
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if (t3lib_div::verifyFilenameAgainstDenyPattern($this->jumpurl) && basename(dirname($this->jumpurl)) !== 'typo3conf') {
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if (@is_file($this->jumpurl)) {
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$absoluteFileName = t3lib_div::getFileAbsFileName($this->jumpurl, FALSE);
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if (t3lib_div::isAllowedAbsPath($absoluteFileName) && t3lib_div::verifyFilenameAgainstDenyPattern($absoluteFileName) && !t3lib_div::isFirstPartOfStr($absoluteFileName, PATH_site . 'typo3conf')) {
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if (@is_file($absoluteFileName)) {
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$mimeType = $mimeType ? $mimeType : 'application/octet-stream';
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header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
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header('Content-Type: '.$mimeType);
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header('Content-Disposition: attachment; filename='.basename($this->jumpurl));
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readfile($this->jumpurl);
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header('Content-Disposition: attachment; filename="'.basename($absoluteFileName) . '"');
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readfile($absoluteFileName);
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exit;
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} else die('jumpurl Secure: "'.$this->jumpurl.'" was not a valid file!');
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} else die('jumpurl Secure: The requested file type was not allowed to be accessed through jumpUrl (fileDenyPattern)!');
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} else die('jumpurl Secure: The requested file was not allowed to be accessed through jumpUrl (path or file not allowed)!');
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} else die('jumpurl Secure: locationData, '.$locationData.', was not accessible.');
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} else die('jumpurl Secure: Calculated juHash did not match the submitted juHash.');
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} else {
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