Insecure path potentially containing directory traversal
| public static isInsecurePath ( string $strPath ) : boolean | ||
| $strPath | string | The file path |
| return | boolean | True if the file path is insecure |
/**
* Find a particular template file and return its path
*
* @param string $strTemplate The name of the template
* @param string $strFormat The file extension
*
* @return string The path to the template file
*
* @throws \InvalidArgumentException If $strFormat is unknown
* @throws \RuntimeException If the template group folder is insecure
*/
public static function getTemplate($strTemplate, $strFormat = 'html5')
{
$arrAllowed = trimsplit(',', \Config::get('templateFiles'));
array_push($arrAllowed, 'html5');
// see #3398
if (!in_array($strFormat, $arrAllowed)) {
throw new \InvalidArgumentException('Invalid output format ' . $strFormat);
}
$strTemplate = basename($strTemplate);
// Check for a theme folder
if (TL_MODE == 'FE') {
/** @var \PageModel $objPage */
global $objPage;
if ($objPage->templateGroup != '') {
if (\Validator::isInsecurePath($objPage->templateGroup)) {
throw new \RuntimeException('Invalid path ' . $objPage->templateGroup);
}
return \TemplateLoader::getPath($strTemplate, $strFormat, $objPage->templateGroup);
}
}
return \TemplateLoader::getPath($strTemplate, $strFormat);
}
/**
* Add a breadcrumb menu to the file tree
*
* @param string $strKey
*
* @throws AccessDeniedException
* @throws \RuntimeException
*/
public static function addFilesBreadcrumb($strKey = 'tl_files_node')
{
/** @var AttributeBagInterface $objSession */
$objSession = \System::getContainer()->get('session')->getBag('contao_backend');
// Set a new node
if (isset($_GET['fn'])) {
// Check the path (thanks to Arnaud Buchoux)
if (\Validator::isInsecurePath(\Input::get('fn', true))) {
throw new \RuntimeException('Insecure path ' . \Input::get('fn', true));
}
$objSession->set($strKey, \Input::get('fn', true));
\Controller::redirect(preg_replace('/(&|\\?)fn=[^&]*/', '', \Environment::get('request')));
}
$strNode = $objSession->get($strKey);
if ($strNode == '') {
return;
}
// Check the path (thanks to Arnaud Buchoux)
if (\Validator::isInsecurePath($strNode)) {
throw new \RuntimeException('Insecure path ' . $strNode);
}
// Currently selected folder does not exist
if (!is_dir(TL_ROOT . '/' . $strNode)) {
$objSession->set($strKey, '');
return;
}
$objUser = \BackendUser::getInstance();
$strPath = \Config::get('uploadPath');
$arrNodes = explode('/', preg_replace('/^' . preg_quote(\Config::get('uploadPath'), '/') . '\\//', '', $strNode));
$arrLinks = array();
// Add root link
$arrLinks[] = \Image::getHtml('filemounts.svg') . ' <a href="' . \Backend::addToUrl('fn=') . '" title="' . \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['selectAllNodes']) . '">' . $GLOBALS['TL_LANG']['MSC']['filterAll'] . '</a>';
// Generate breadcrumb trail
foreach ($arrNodes as $strFolder) {
$strPath .= '/' . $strFolder;
// Do not show pages which are not mounted
if (!$objUser->hasAccess($strPath, 'filemounts')) {
continue;
}
// No link for the active folder
if ($strPath == $strNode) {
$arrLinks[] = \Image::getHtml('folderC.svg') . ' ' . $strFolder;
} else {
$arrLinks[] = \Image::getHtml('folderC.svg') . ' <a href="' . \Backend::addToUrl('fn=' . $strPath) . '" title="' . \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['selectNode']) . '">' . $strFolder . '</a>';
}
}
// Check whether the node is mounted
if (!$objUser->hasAccess($strNode, 'filemounts')) {
$objSession->set($strKey, '');
throw new AccessDeniedException('Folder ID "' . $strNode . '" is not mounted');
}
// Limit tree
$GLOBALS['TL_DCA']['tl_files']['list']['sorting']['root'] = array($strNode);
// Insert breadcrumb menu
$GLOBALS['TL_DCA']['tl_files']['list']['sorting']['breadcrumb'] .= '
<ul id="tl_breadcrumb">
<li>' . implode(' > </li><li>', $arrLinks) . '</li>
</ul>';
}
/**
* Check a file operation
*
* @param string $strFile
*
* @return boolean
*
* @throws AccessDeniedException
*/
protected function isValid($strFile)
{
$strFolder = \Input::get('pid', true);
// Check the path
if (\Validator::isInsecurePath($strFile)) {
throw new AccessDeniedException('Invalid file name "' . $strFile . '" (hacking attempt).');
} elseif (\Validator::isInsecurePath($strFolder)) {
throw new AccessDeniedException('Invalid folder name "' . $strFolder . '" (hacking attempt).');
}
// Check for valid file types
if (!empty($this->arrValidFileTypes) && is_file(TL_ROOT . '/' . $strFile)) {
$fileinfo = preg_replace('/.*\\.(.*)$/ui', '$1', $strFile);
if (!in_array(strtolower($fileinfo), $this->arrValidFileTypes)) {
throw new AccessDeniedException('File "' . $strFile . '" is not an allowed file type.');
}
}
// Check whether the file is within the files directory
if (!preg_match('/^' . preg_quote(\Config::get('uploadPath'), '/') . '/i', $strFile)) {
throw new AccessDeniedException('File or folder "' . $strFile . '" is not within the files directory.');
}
// Check whether the parent folder is within the files directory
if ($strFolder && !preg_match('/^' . preg_quote(\Config::get('uploadPath'), '/') . '/i', $strFolder)) {
throw new AccessDeniedException('Parent folder "' . $strFolder . '" is not within the files directory.');
}
// Do not allow file operations on root folders
if (\Input::get('act') == 'edit' || \Input::get('act') == 'paste' || \Input::get('act') == 'delete') {
$this->import('BackendUser', 'User');
if (!$this->User->isAdmin && in_array($strFile, $this->User->filemounts)) {
throw new AccessDeniedException('Attempt to edit, copy, move or delete the root folder "' . $strFile . '".');
}
}
return true;
}
/**
* Add templates to the archive
*
* @param ZipWriter $objArchive
* @param string $strFolder
*/
protected function addTemplatesToArchive(ZipWriter $objArchive, $strFolder)
{
// Strip the templates folder name
$strFolder = preg_replace('@^templates/@', '', $strFolder);
// Re-add the templates folder name
if ($strFolder == '') {
$strFolder = 'templates';
} else {
$strFolder = 'templates/' . $strFolder;
}
if (\Validator::isInsecurePath($strFolder)) {
throw new \RuntimeException('Insecure path ' . $strFolder);
}
// Return if the folder does not exist
if (!is_dir(TL_ROOT . '/' . $strFolder)) {
return;
}
$arrAllowed = \StringUtil::trimsplit(',', strtolower(\Config::get('templateFiles')));
array_push($arrAllowed, 'sql');
// see #7048
// Add all template files to the archive
foreach (scan(TL_ROOT . '/' . $strFolder) as $strFile) {
if (preg_match('/\\.(' . implode('|', $arrAllowed) . ')$/', $strFile) && strncmp($strFile, 'be_', 3) !== 0 && strncmp($strFile, 'nl_', 3) !== 0) {
$objArchive->addFile($strFolder . '/' . $strFile);
}
}
}
/**
* Replace insert tags with their values
*
* @param string $strBuffer The text with the tags to be replaced
* @param boolean $blnCache If false, non-cacheable tags will be replaced
*
* @return string The text with the replaced tags
*/
protected function doReplace($strBuffer, $blnCache)
{
/** @var PageModel $objPage */
global $objPage;
// Preserve insert tags
if (\Config::get('disableInsertTags')) {
return \StringUtil::restoreBasicEntities($strBuffer);
}
$tags = preg_split('/{{([^{}]+)}}/', $strBuffer, -1, PREG_SPLIT_DELIM_CAPTURE);
if (count($tags) < 2) {
return \StringUtil::restoreBasicEntities($strBuffer);
}
$strBuffer = '';
// Create one cache per cache setting (see #7700)
static $arrItCache;
$arrCache =& $arrItCache[$blnCache];
for ($_rit = 0, $_cnt = count($tags); $_rit < $_cnt; $_rit += 2) {
$strBuffer .= $tags[$_rit];
$strTag = $tags[$_rit + 1];
// Skip empty tags
if ($strTag == '') {
continue;
}
$flags = explode('|', $strTag);
$tag = array_shift($flags);
$elements = explode('::', $tag);
// Load the value from cache
if (isset($arrCache[$strTag]) && !in_array('refresh', $flags)) {
$strBuffer .= $arrCache[$strTag];
continue;
}
// Skip certain elements if the output will be cached
if ($blnCache) {
if ($elements[0] == 'date' || $elements[0] == 'ua' || $elements[0] == 'post' || $elements[0] == 'file' && !\Validator::isStringUuid($elements[1]) || $elements[1] == 'back' || $elements[1] == 'referer' || $elements[0] == 'request_token' || $elements[0] == 'toggle_view' || strncmp($elements[0], 'cache_', 6) === 0 || in_array('uncached', $flags)) {
/** @var FragmentHandler $fragmentHandler */
$fragmentHandler = \System::getContainer()->get('fragment.handler');
$strBuffer .= $fragmentHandler->render(new ControllerReference('contao.controller.insert_tags:renderAction', ['insertTag' => '{{' . $strTag . '}}']), 'esi');
continue;
}
}
$arrCache[$strTag] = '';
// Replace the tag
switch (strtolower($elements[0])) {
// Date
case 'date':
$arrCache[$strTag] = \Date::parse($elements[1] ?: \Config::get('dateFormat'));
break;
// Accessibility tags
// Accessibility tags
case 'lang':
if ($elements[1] == '') {
$arrCache[$strTag] = '</span>';
} else {
$arrCache[$strTag] = $arrCache[$strTag] = '<span lang="' . \StringUtil::specialchars($elements[1]) . '">';
}
break;
// Line break
// Line break
case 'br':
$arrCache[$strTag] = '<br>';
break;
// E-mail addresses
// E-mail addresses
case 'email':
case 'email_open':
case 'email_url':
if ($elements[1] == '') {
$arrCache[$strTag] = '';
break;
}
$strEmail = \StringUtil::encodeEmail($elements[1]);
// Replace the tag
switch (strtolower($elements[0])) {
case 'email':
$arrCache[$strTag] = '<a href="mailto:' . $strEmail . '" class="email">' . preg_replace('/\\?.*$/', '', $strEmail) . '</a>';
break;
case 'email_open':
$arrCache[$strTag] = '<a href="mailto:' . $strEmail . '" title="' . $strEmail . '" class="email">';
break;
case 'email_url':
$arrCache[$strTag] = $strEmail;
break;
}
break;
// Label tags
// Label tags
case 'label':
$keys = explode(':', $elements[1]);
if (count($keys) < 2) {
$arrCache[$strTag] = '';
break;
}
$file = $keys[0];
// Map the key (see #7217)
switch ($file) {
case 'CNT':
$file = 'countries';
break;
case 'LNG':
$file = 'languages';
break;
case 'MOD':
case 'FMD':
$file = 'modules';
break;
case 'FFL':
$file = 'tl_form_field';
break;
case 'CACHE':
$file = 'tl_page';
break;
case 'XPL':
$file = 'explain';
break;
case 'XPT':
$file = 'exception';
break;
case 'MSC':
case 'ERR':
case 'CTE':
case 'PTY':
case 'FOP':
case 'CHMOD':
case 'DAYS':
case 'MONTHS':
case 'UNITS':
case 'CONFIRM':
case 'DP':
case 'COLS':
$file = 'default';
break;
}
\System::loadLanguageFile($file);
if (count($keys) == 2) {
$arrCache[$strTag] = $GLOBALS['TL_LANG'][$keys[0]][$keys[1]];
} else {
$arrCache[$strTag] = $GLOBALS['TL_LANG'][$keys[0]][$keys[1]][$keys[2]];
}
break;
// Front end user
// Front end user
case 'user':
if (FE_USER_LOGGED_IN) {
$this->import('FrontendUser', 'User');
$value = $this->User->{$elements[1]};
if ($value == '') {
$arrCache[$strTag] = $value;
break;
}
$this->loadDataContainer('tl_member');
if ($GLOBALS['TL_DCA']['tl_member']['fields'][$elements[1]]['inputType'] == 'password') {
$arrCache[$strTag] = '';
break;
}
$value = \StringUtil::deserialize($value);
// Decrypt the value
if ($GLOBALS['TL_DCA']['tl_member']['fields'][$elements[1]]['eval']['encrypt']) {
$value = \Encryption::decrypt($value);
}
$rgxp = $GLOBALS['TL_DCA']['tl_member']['fields'][$elements[1]]['eval']['rgxp'];
$opts = $GLOBALS['TL_DCA']['tl_member']['fields'][$elements[1]]['options'];
$rfrc = $GLOBALS['TL_DCA']['tl_member']['fields'][$elements[1]]['reference'];
if ($rgxp == 'date') {
$arrCache[$strTag] = \Date::parse(\Config::get('dateFormat'), $value);
} elseif ($rgxp == 'time') {
$arrCache[$strTag] = \Date::parse(\Config::get('timeFormat'), $value);
} elseif ($rgxp == 'datim') {
$arrCache[$strTag] = \Date::parse(\Config::get('datimFormat'), $value);
} elseif (is_array($value)) {
$arrCache[$strTag] = implode(', ', $value);
} elseif (is_array($opts) && array_is_assoc($opts)) {
$arrCache[$strTag] = isset($opts[$value]) ? $opts[$value] : $value;
} elseif (is_array($rfrc)) {
$arrCache[$strTag] = isset($rfrc[$value]) ? is_array($rfrc[$value]) ? $rfrc[$value][0] : $rfrc[$value] : $value;
} else {
$arrCache[$strTag] = $value;
}
// Convert special characters (see #1890)
$arrCache[$strTag] = \StringUtil::specialchars($arrCache[$strTag]);
}
break;
// Link
// Link
case 'link':
case 'link_open':
case 'link_url':
case 'link_title':
case 'link_target':
case 'link_name':
$strTarget = null;
// Back link
if ($elements[1] == 'back') {
$strUrl = 'javascript:history.go(-1)';
$strTitle = $GLOBALS['TL_LANG']['MSC']['goBack'];
// No language files if the page is cached
if (!strlen($strTitle)) {
$strTitle = 'Go back';
}
$strName = $strTitle;
} elseif (strncmp($elements[1], 'http://', 7) === 0 || strncmp($elements[1], 'https://', 8) === 0) {
$strUrl = $elements[1];
$strTitle = $elements[1];
$strName = str_replace(array('http://', 'https://'), '', $elements[1]);
} else {
// User login page
if ($elements[1] == 'login') {
if (!FE_USER_LOGGED_IN) {
break;
}
$this->import('FrontendUser', 'User');
$elements[1] = $this->User->loginPage;
}
$objNextPage = \PageModel::findByIdOrAlias($elements[1]);
if ($objNextPage === null) {
break;
}
// Page type specific settings (thanks to Andreas Schempp)
switch ($objNextPage->type) {
case 'redirect':
$strUrl = $objNextPage->url;
if (strncasecmp($strUrl, 'mailto:', 7) === 0) {
$strUrl = \StringUtil::encodeEmail($strUrl);
}
break;
case 'forward':
if ($objNextPage->jumpTo) {
/** @var PageModel $objNext */
$objNext = $objNextPage->getRelated('jumpTo');
} else {
$objNext = \PageModel::findFirstPublishedRegularByPid($objNextPage->id);
}
if ($objNext instanceof PageModel) {
$strUrl = $objNext->getFrontendUrl();
break;
}
// DO NOT ADD A break; STATEMENT
// DO NOT ADD A break; STATEMENT
default:
$strUrl = $objNextPage->getFrontendUrl();
break;
}
$strName = $objNextPage->title;
$strTarget = $objNextPage->target ? ' target="_blank"' : '';
$strTitle = $objNextPage->pageTitle ?: $objNextPage->title;
}
// Replace the tag
switch (strtolower($elements[0])) {
case 'link':
$arrCache[$strTag] = sprintf('<a href="%s" title="%s"%s>%s</a>', $strUrl, \StringUtil::specialchars($strTitle), $strTarget, $strName);
break;
case 'link_open':
$arrCache[$strTag] = sprintf('<a href="%s" title="%s"%s>', $strUrl, \StringUtil::specialchars($strTitle), $strTarget);
break;
case 'link_url':
$arrCache[$strTag] = $strUrl;
break;
case 'link_title':
$arrCache[$strTag] = \StringUtil::specialchars($strTitle);
break;
case 'link_target':
$arrCache[$strTag] = $strTarget;
break;
case 'link_name':
$arrCache[$strTag] = $strName;
break;
}
break;
// Closing link tag
// Closing link tag
case 'link_close':
case 'email_close':
$arrCache[$strTag] = '</a>';
break;
// Insert article
// Insert article
case 'insert_article':
if (($strOutput = $this->getArticle($elements[1], false, true)) !== false) {
$arrCache[$strTag] = ltrim($strOutput);
} else {
$arrCache[$strTag] = '<p class="error">' . sprintf($GLOBALS['TL_LANG']['MSC']['invalidPage'], $elements[1]) . '</p>';
}
break;
// Insert content element
// Insert content element
case 'insert_content':
$arrCache[$strTag] = $this->getContentElement($elements[1]);
break;
// Insert module
// Insert module
case 'insert_module':
$arrCache[$strTag] = $this->getFrontendModule($elements[1]);
break;
// Insert form
// Insert form
case 'insert_form':
$arrCache[$strTag] = $this->getForm($elements[1]);
break;
// Article
// Article
case 'article':
case 'article_open':
case 'article_url':
case 'article_title':
if (($objArticle = \ArticleModel::findByIdOrAlias($elements[1])) === null || !($objPid = $objArticle->getRelated('pid')) instanceof PageModel) {
break;
}
/** @var PageModel $objPid */
$strUrl = $objPid->getFrontendUrl('/articles/' . ($objArticle->alias ?: $objArticle->id));
// Replace the tag
switch (strtolower($elements[0])) {
case 'article':
$arrCache[$strTag] = sprintf('<a href="%s" title="%s">%s</a>', $strUrl, \StringUtil::specialchars($objArticle->title), $objArticle->title);
break;
case 'article_open':
$arrCache[$strTag] = sprintf('<a href="%s" title="%s">', $strUrl, \StringUtil::specialchars($objArticle->title));
break;
case 'article_url':
$arrCache[$strTag] = $strUrl;
break;
case 'article_title':
$arrCache[$strTag] = \StringUtil::specialchars($objArticle->title);
break;
}
break;
// Article teaser
// Article teaser
case 'article_teaser':
$objTeaser = \ArticleModel::findByIdOrAlias($elements[1]);
if ($objTeaser !== null) {
$arrCache[$strTag] = \StringUtil::toHtml5($objTeaser->teaser);
}
break;
// Last update
// Last update
case 'last_update':
$strQuery = "SELECT MAX(tstamp) AS tc";
$bundles = \System::getContainer()->getParameter('kernel.bundles');
if (isset($bundles['ContaoNewsBundle'])) {
$strQuery .= ", (SELECT MAX(tstamp) FROM tl_news) AS tn";
}
if (isset($bundles['ContaoCalendarBundle'])) {
$strQuery .= ", (SELECT MAX(tstamp) FROM tl_calendar_events) AS te";
}
$strQuery .= " FROM tl_content";
$objUpdate = \Database::getInstance()->query($strQuery);
if ($objUpdate->numRows) {
$arrCache[$strTag] = \Date::parse($elements[1] ?: \Config::get('datimFormat'), max($objUpdate->tc, $objUpdate->tn, $objUpdate->te));
}
break;
// Version
// Version
case 'version':
$arrCache[$strTag] = VERSION . '.' . BUILD;
break;
// Request token
// Request token
case 'request_token':
$arrCache[$strTag] = REQUEST_TOKEN;
break;
// POST data
// POST data
case 'post':
$arrCache[$strTag] = \Input::post($elements[1]);
break;
// Mobile/desktop toggle (see #6469)
// Mobile/desktop toggle (see #6469)
case 'toggle_view':
$strUrl = ampersand(\Environment::get('request'));
$strGlue = strpos($strUrl, '?') === false ? '?' : '&';
if (\Input::cookie('TL_VIEW') == 'mobile' || \Environment::get('agent')->mobile && \Input::cookie('TL_VIEW') != 'desktop') {
$arrCache[$strTag] = '<a href="' . $strUrl . $strGlue . 'toggle_view=desktop" class="toggle_desktop" title="' . \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['toggleDesktop'][1]) . '">' . $GLOBALS['TL_LANG']['MSC']['toggleDesktop'][0] . '</a>';
} else {
$arrCache[$strTag] = '<a href="' . $strUrl . $strGlue . 'toggle_view=mobile" class="toggle_mobile" title="' . \StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['toggleMobile'][1]) . '">' . $GLOBALS['TL_LANG']['MSC']['toggleMobile'][0] . '</a>';
}
break;
// Conditional tags (if)
// Conditional tags (if)
case 'iflng':
if ($elements[1] != '' && $elements[1] != $objPage->language) {
for (; $_rit < $_cnt; $_rit += 2) {
if ($tags[$_rit + 1] == 'iflng' || $tags[$_rit + 1] == 'iflng::' . $objPage->language) {
break;
}
}
}
unset($arrCache[$strTag]);
break;
// Conditional tags (if not)
// Conditional tags (if not)
case 'ifnlng':
if ($elements[1] != '') {
$langs = \StringUtil::trimsplit(',', $elements[1]);
if (in_array($objPage->language, $langs)) {
for (; $_rit < $_cnt; $_rit += 2) {
if ($tags[$_rit + 1] == 'ifnlng') {
break;
}
}
}
}
unset($arrCache[$strTag]);
break;
// Environment
// Environment
case 'env':
switch ($elements[1]) {
case 'host':
$arrCache[$strTag] = \Idna::decode(\Environment::get('host'));
break;
case 'http_host':
$arrCache[$strTag] = \Idna::decode(\Environment::get('httpHost'));
break;
case 'url':
$arrCache[$strTag] = \Idna::decode(\Environment::get('url'));
break;
case 'path':
$arrCache[$strTag] = \Idna::decode(\Environment::get('base'));
break;
case 'request':
$arrCache[$strTag] = \Environment::get('indexFreeRequest');
break;
case 'ip':
$arrCache[$strTag] = \Environment::get('ip');
break;
case 'referer':
$arrCache[$strTag] = $this->getReferer(true);
break;
case 'files_url':
$arrCache[$strTag] = TL_FILES_URL;
break;
case 'assets_url':
case 'plugins_url':
case 'script_url':
$arrCache[$strTag] = TL_ASSETS_URL;
break;
case 'base_url':
$arrCache[$strTag] = \System::getContainer()->get('request_stack')->getCurrentRequest()->getBaseUrl();
break;
}
break;
// Page
// Page
case 'page':
if ($elements[1] == 'pageTitle' && $objPage->pageTitle == '') {
$elements[1] = 'title';
} elseif ($elements[1] == 'parentPageTitle' && $objPage->parentPageTitle == '') {
$elements[1] = 'parentTitle';
} elseif ($elements[1] == 'mainPageTitle' && $objPage->mainPageTitle == '') {
$elements[1] = 'mainTitle';
}
// Do not use \StringUtil::specialchars() here (see #4687)
$arrCache[$strTag] = $objPage->{$elements[1]};
break;
// User agent
// User agent
case 'ua':
$ua = \Environment::get('agent');
if ($elements[1] != '') {
$arrCache[$strTag] = $ua->{$elements[1]};
} else {
$arrCache[$strTag] = '';
}
break;
// Abbreviations
// Abbreviations
case 'abbr':
case 'acronym':
if ($elements[1] != '') {
$arrCache[$strTag] = '<abbr title="' . \StringUtil::specialchars($elements[1]) . '">';
} else {
$arrCache[$strTag] = '</abbr>';
}
break;
// Images
// Images
case 'image':
case 'picture':
$width = null;
$height = null;
$alt = '';
$class = '';
$rel = '';
$strFile = $elements[1];
$mode = '';
$size = null;
$strTemplate = 'picture_default';
// Take arguments
if (strpos($elements[1], '?') !== false) {
$arrChunks = explode('?', urldecode($elements[1]), 2);
$strSource = \StringUtil::decodeEntities($arrChunks[1]);
$strSource = str_replace('[&]', '&', $strSource);
$arrParams = explode('&', $strSource);
foreach ($arrParams as $strParam) {
list($key, $value) = explode('=', $strParam);
switch ($key) {
case 'width':
$width = $value;
break;
case 'height':
$height = $value;
break;
case 'alt':
$alt = $value;
break;
case 'class':
$class = $value;
break;
case 'rel':
$rel = $value;
break;
case 'mode':
$mode = $value;
break;
case 'size':
$size = (int) $value;
break;
case 'template':
$strTemplate = preg_replace('/[^a-z0-9_]/i', '', $value);
break;
}
}
$strFile = $arrChunks[0];
}
if (\Validator::isUuid($strFile)) {
// Handle UUIDs
$objFile = \FilesModel::findByUuid($strFile);
if ($objFile === null) {
$arrCache[$strTag] = '';
break;
}
$strFile = $objFile->path;
} elseif (is_numeric($strFile)) {
// Handle numeric IDs (see #4805)
$objFile = \FilesModel::findByPk($strFile);
if ($objFile === null) {
$arrCache[$strTag] = '';
break;
}
$strFile = $objFile->path;
} else {
// Check the path
if (\Validator::isInsecurePath($strFile)) {
throw new \RuntimeException('Invalid path ' . $strFile);
}
}
// Check the maximum image width
if (\Config::get('maxImageWidth') > 0 && $width > \Config::get('maxImageWidth')) {
$width = \Config::get('maxImageWidth');
$height = null;
}
// Generate the thumbnail image
try {
// Image
if (strtolower($elements[0]) == 'image') {
$dimensions = '';
$src = \System::getContainer()->get('contao.image.image_factory')->create(TL_ROOT . '/' . rawurldecode($strFile), array($width, $height, $mode))->getUrl(TL_ROOT);
$objFile = new \File(rawurldecode($src));
// Add the image dimensions
if (($imgSize = $objFile->imageSize) !== false) {
$dimensions = ' width="' . \StringUtil::specialchars($imgSize[0]) . '" height="' . \StringUtil::specialchars($imgSize[1]) . '"';
}
$arrCache[$strTag] = '<img src="' . TL_FILES_URL . $src . '" ' . $dimensions . ' alt="' . \StringUtil::specialchars($alt) . '"' . ($class != '' ? ' class="' . \StringUtil::specialchars($class) . '"' : '') . '>';
} else {
$picture = \System::getContainer()->get('contao.image.picture_factory')->create(TL_ROOT . '/' . $strFile, $size);
$picture = array('img' => $picture->getImg(TL_ROOT), 'sources' => $picture->getSources(TL_ROOT));
$picture['alt'] = $alt;
$picture['class'] = $class;
$pictureTemplate = new \FrontendTemplate($strTemplate);
$pictureTemplate->setData($picture);
$arrCache[$strTag] = $pictureTemplate->parse();
}
// Add a lightbox link
if ($rel != '') {
if (strncmp($rel, 'lightbox', 8) !== 0) {
$attribute = ' rel="' . \StringUtil::specialchars($rel) . '"';
} else {
$attribute = ' data-lightbox="' . \StringUtil::specialchars(substr($rel, 8)) . '"';
}
$arrCache[$strTag] = '<a href="' . TL_FILES_URL . $strFile . '"' . ($alt != '' ? ' title="' . \StringUtil::specialchars($alt) . '"' : '') . $attribute . '>' . $arrCache[$strTag] . '</a>';
}
} catch (\Exception $e) {
$arrCache[$strTag] = '';
}
break;
// Files (UUID or template path)
// Files (UUID or template path)
case 'file':
if (\Validator::isUuid($elements[1])) {
$objFile = \FilesModel::findByUuid($elements[1]);
if ($objFile !== null) {
$arrCache[$strTag] = $objFile->path;
break;
}
}
$arrGet = $_GET;
\Input::resetCache();
$strFile = $elements[1];
// Take arguments and add them to the $_GET array
if (strpos($elements[1], '?') !== false) {
$arrChunks = explode('?', urldecode($elements[1]));
$strSource = \StringUtil::decodeEntities($arrChunks[1]);
$strSource = str_replace('[&]', '&', $strSource);
$arrParams = explode('&', $strSource);
foreach ($arrParams as $strParam) {
$arrParam = explode('=', $strParam);
$_GET[$arrParam[0]] = $arrParam[1];
}
$strFile = $arrChunks[0];
}
// Check the path
if (\Validator::isInsecurePath($strFile)) {
throw new \RuntimeException('Invalid path ' . $strFile);
}
// Include .php, .tpl, .xhtml and .html5 files
if (preg_match('/\\.(php|tpl|xhtml|html5)$/', $strFile) && file_exists(TL_ROOT . '/templates/' . $strFile)) {
ob_start();
include TL_ROOT . '/templates/' . $strFile;
$arrCache[$strTag] = ob_get_clean();
}
$_GET = $arrGet;
\Input::resetCache();
break;
// HOOK: pass unknown tags to callback functions
// HOOK: pass unknown tags to callback functions
default:
if (isset($GLOBALS['TL_HOOKS']['replaceInsertTags']) && is_array($GLOBALS['TL_HOOKS']['replaceInsertTags'])) {
foreach ($GLOBALS['TL_HOOKS']['replaceInsertTags'] as $callback) {
$this->import($callback[0]);
$varValue = $this->{$callback[0]}->{$callback[1]}($tag, $blnCache, $arrCache[$strTag], $flags, $tags, $arrCache, $_rit, $_cnt);
// see #6672
// Replace the tag and stop the loop
if ($varValue !== false) {
$arrCache[$strTag] = $varValue;
break;
}
}
}
\System::getContainer()->get('monolog.logger.contao')->log(LogLevel::INFO, 'Unknown insert tag: ' . $strTag);
break;
}
// Handle the flags
if (!empty($flags)) {
foreach ($flags as $flag) {
switch ($flag) {
case 'addslashes':
case 'standardize':
case 'ampersand':
case 'specialchars':
case 'nl2br':
case 'nl2br_pre':
case 'strtolower':
case 'utf8_strtolower':
case 'strtoupper':
case 'utf8_strtoupper':
case 'ucfirst':
case 'lcfirst':
case 'ucwords':
case 'trim':
case 'rtrim':
case 'ltrim':
case 'utf8_romanize':
case 'urlencode':
case 'rawurlencode':
$arrCache[$strTag] = $flag($arrCache[$strTag]);
break;
case 'encodeEmail':
$arrCache[$strTag] = \StringUtil::$flag($arrCache[$strTag]);
break;
case 'number_format':
$arrCache[$strTag] = \System::getFormattedNumber($arrCache[$strTag], 0);
break;
case 'currency_format':
$arrCache[$strTag] = \System::getFormattedNumber($arrCache[$strTag], 2);
break;
case 'readable_size':
$arrCache[$strTag] = \System::getReadableSize($arrCache[$strTag]);
break;
case 'flatten':
if (!is_array($arrCache[$strTag])) {
break;
}
$it = new \RecursiveIteratorIterator(new \RecursiveArrayIterator($arrCache[$strTag]));
$result = array();
foreach ($it as $leafValue) {
$keys = array();
foreach (range(0, $it->getDepth()) as $depth) {
$keys[] = $it->getSubIterator($depth)->key();
}
$result[] = implode('.', $keys) . ': ' . $leafValue;
}
$arrCache[$strTag] = implode(', ', $result);
break;
// HOOK: pass unknown flags to callback functions
// HOOK: pass unknown flags to callback functions
default:
if (isset($GLOBALS['TL_HOOKS']['insertTagFlags']) && is_array($GLOBALS['TL_HOOKS']['insertTagFlags'])) {
foreach ($GLOBALS['TL_HOOKS']['insertTagFlags'] as $callback) {
$this->import($callback[0]);
$varValue = $this->{$callback[0]}->{$callback[1]}($flag, $tag, $arrCache[$strTag], $flags, $blnCache, $tags, $arrCache, $_rit, $_cnt);
// see #5806
// Replace the tag and stop the loop
if ($varValue !== false) {
$arrCache[$strTag] = $varValue;
break;
}
}
}
\System::getContainer()->get('monolog.logger.contao')->log(LogLevel::INFO, 'Unknown insert tag flag: ' . $flag);
break;
}
}
}
$strBuffer .= $arrCache[$strTag];
}
return \StringUtil::restoreBasicEntities($strBuffer);
}