/** * 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); }