/
Backend.php
1361 lines (1151 loc) · 34.5 KB
/
Backend.php
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<?php
/*
* This file is part of Contao.
*
* (c) Leo Feyer
*
* @license LGPL-3.0-or-later
*/
namespace Contao;
use Contao\CoreBundle\Exception\AccessDeniedException;
use Contao\CoreBundle\Exception\ResponseException;
use Contao\CoreBundle\Picker\PickerInterface;
use Contao\Database\Result;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBagInterface;
use Symfony\Component\HttpFoundation\Session\Session;
/**
* Provide methods to manage back end controllers.
*
* @property Ajax $objAjax
*
* @author Leo Feyer <https://github.com/leofeyer>
*/
abstract class Backend extends Controller
{
/**
* Load the database object
*/
protected function __construct()
{
parent::__construct();
$this->import(Database::class, 'Database');
$this->setStaticUrls();
}
/**
* Return the current theme as string
*
* @return string The name of the theme
*/
public static function getTheme()
{
$theme = Config::get('backendTheme');
$rootDir = System::getContainer()->getParameter('kernel.project_dir');
if ($theme != '' && $theme != 'flexible' && is_dir($rootDir . '/system/themes/' . $theme))
{
return $theme;
}
return 'flexible';
}
/**
* Return the back end themes as array
*
* @return array An array of available back end themes
*/
public static function getThemes()
{
$arrReturn = array();
$rootDir = System::getContainer()->getParameter('kernel.project_dir');
$arrThemes = scan($rootDir . '/system/themes');
foreach ($arrThemes as $strTheme)
{
if (strncmp($strTheme, '.', 1) === 0 || !is_dir($rootDir . '/system/themes/' . $strTheme))
{
continue;
}
$arrReturn[$strTheme] = $strTheme;
}
return $arrReturn;
}
/**
* Return the TinyMCE language
*
* @return string
*/
public static function getTinyMceLanguage()
{
$lang = $GLOBALS['TL_LANGUAGE'];
if ($lang == '')
{
return 'en';
}
$lang = str_replace('-', '_', $lang);
$rootDir = System::getContainer()->getParameter('kernel.project_dir');
// The translation exists
if (file_exists($rootDir . '/assets/tinymce4/js/langs/' . $lang . '.js'))
{
return $lang;
}
if (($short = substr($GLOBALS['TL_LANGUAGE'], 0, 2)) != $lang)
{
// Try the short tag, e.g. "de" instead of "de_CH"
if (file_exists($rootDir . '/assets/tinymce4/js/langs/' . $short . '.js'))
{
return $short;
}
}
elseif (($long = $short . '_' . strtoupper($short)) != $lang)
{
// Try the long tag, e.g. "fr_FR" instead of "fr" (see #6952)
if (file_exists($rootDir . '/assets/tinymce4/js/langs/' . $long . '.js'))
{
return $long;
}
}
// Fallback to English
return 'en';
}
/**
* Get the Ace code editor type from a file extension
*
* @param string $ext
*
* @return string
*/
public static function getAceType($ext)
{
switch ($ext)
{
case 'css':
case 'diff':
case 'html':
case 'ini':
case 'java':
case 'json':
case 'less':
case 'mysql':
case 'php':
case 'scss':
case 'sql':
case 'twig':
case 'xml':
case 'yaml':
return $ext;
break;
case 'js':
case 'javascript':
return 'javascript';
break;
case 'md':
case 'markdown':
return 'markdown';
break;
case 'cgi':
case 'pl':
return 'perl';
break;
case 'py':
return 'python';
break;
case 'txt':
return 'text';
break;
case 'c': case 'cc': case 'cpp': case 'c++':
case 'h': case 'hh': case 'hpp': case 'h++':
return 'c_cpp';
break;
case 'html5':
case 'xhtml':
return 'php';
break;
case 'svg':
case 'svgz':
return 'xml';
break;
default:
return 'text';
break;
}
}
/**
* Return a list of TinyMCE templates as JSON string
*
* @return string
*/
public static function getTinyTemplates()
{
$strDir = Config::get('uploadPath') . '/tiny_templates';
$rootDir = System::getContainer()->getParameter('kernel.project_dir');
if (!is_dir($rootDir . '/' . $strDir))
{
return '';
}
$arrFiles = array();
$arrTemplates = scan($rootDir . '/' . $strDir);
foreach ($arrTemplates as $strFile)
{
if (strncmp('.', $strFile, 1) !== 0 && is_file($rootDir . '/' . $strDir . '/' . $strFile))
{
$arrFiles[] = '{ title: "' . $strFile . '", url: "' . $strDir . '/' . $strFile . '" }';
}
}
return implode(",\n", $arrFiles) . "\n";
}
/**
* Add the request token to the URL
*
* @param string $strRequest
* @param boolean $blnAddRef
* @param array $arrUnset
*
* @return string
*/
public static function addToUrl($strRequest, $blnAddRef=true, $arrUnset=array())
{
// Unset the "no back button" flag
$arrUnset[] = 'nb';
return parent::addToUrl($strRequest . (($strRequest != '') ? '&' : '') . 'rt=' . REQUEST_TOKEN, $blnAddRef, $arrUnset);
}
/**
* Handle "runonce" files
*
* @throws \Exception
*/
public static function handleRunOnce()
{
try
{
$files = System::getContainer()->get('contao.resource_locator')->locate('config/runonce.php', null, false);
}
catch (\InvalidArgumentException $e)
{
return;
}
foreach ($files as $file)
{
try
{
include $file;
}
catch (\Exception $e) {}
$strRelpath = StringUtil::stripRootDir($file);
if (!unlink($file))
{
throw new \Exception("The file $strRelpath cannot be deleted. Please remove the file manually and correct the file permission settings on your server.");
}
System::log("File $strRelpath ran once and has then been removed successfully", __METHOD__, TL_GENERAL);
}
}
/**
* Open a back end module and return it as HTML
*
* @param string $module
* @param PickerInterface|null $picker
*
* @return string
*
* @throws AccessDeniedException
*/
protected function getBackendModule($module, PickerInterface $picker = null)
{
$arrModule = array();
foreach ($GLOBALS['BE_MOD'] as &$arrGroup)
{
if (isset($arrGroup[$module]))
{
$arrModule = &$arrGroup[$module];
break;
}
}
$this->import(BackendUser::class, 'User');
$blnAccess = (isset($arrModule['disablePermissionChecks']) && $arrModule['disablePermissionChecks'] === true) || $this->User->hasAccess($module, 'modules');
// Check whether the current user has access to the current module
if (!$blnAccess)
{
throw new AccessDeniedException('Back end module "' . $module . '" is not allowed for user "' . $this->User->username . '".');
}
// The module does not exist
if (empty($arrModule))
{
throw new \InvalidArgumentException('Back end module "' . $module . '" is not defined in the BE_MOD array');
}
/** @var Session $objSession */
$objSession = System::getContainer()->get('session');
$arrTables = (array) $arrModule['tables'];
$strTable = Input::get('table') ?: $arrTables[0];
$id = (!Input::get('act') && Input::get('id')) ? Input::get('id') : $objSession->get('CURRENT_ID');
// Store the current ID in the current session
if ($id != $objSession->get('CURRENT_ID'))
{
$objSession->set('CURRENT_ID', $id);
}
\define('CURRENT_ID', (Input::get('table') ? $id : Input::get('id')));
$this->Template->headline = $GLOBALS['TL_LANG']['MOD'][$module][0];
// Add the module style sheet
if (isset($arrModule['stylesheet']))
{
foreach ((array) $arrModule['stylesheet'] as $stylesheet)
{
$GLOBALS['TL_CSS'][] = $stylesheet;
}
}
// Add module javascript
if (isset($arrModule['javascript']))
{
foreach ((array) $arrModule['javascript'] as $javascript)
{
$GLOBALS['TL_JAVASCRIPT'][] = $javascript;
}
}
$dc = null;
// Create the data container object
if ($strTable != '')
{
if (!\in_array($strTable, $arrTables))
{
throw new AccessDeniedException('Table "' . $strTable . '" is not allowed in module "' . $module . '".');
}
// Load the language and DCA file
System::loadLanguageFile($strTable);
$this->loadDataContainer($strTable);
// Include all excluded fields which are allowed for the current user
if ($GLOBALS['TL_DCA'][$strTable]['fields'])
{
foreach ($GLOBALS['TL_DCA'][$strTable]['fields'] as $k=>$v)
{
if ($v['exclude'])
{
if ($this->User->hasAccess($strTable.'::'.$k, 'alexf'))
{
if ($strTable == 'tl_user_group')
{
$GLOBALS['TL_DCA'][$strTable]['fields'][$k]['orig_exclude'] = $GLOBALS['TL_DCA'][$strTable]['fields'][$k]['exclude'];
}
$GLOBALS['TL_DCA'][$strTable]['fields'][$k]['exclude'] = false;
}
}
}
}
// Fabricate a new data container object
if ($GLOBALS['TL_DCA'][$strTable]['config']['dataContainer'] == '')
{
$this->log('Missing data container for table "' . $strTable . '"', __METHOD__, TL_ERROR);
trigger_error('Could not create a data container object', E_USER_ERROR);
}
$dataContainer = 'DC_' . $GLOBALS['TL_DCA'][$strTable]['config']['dataContainer'];
/** @var DataContainer $dc */
$dc = new $dataContainer($strTable, $arrModule);
if ($picker !== null && $dc instanceof DataContainer)
{
$dc->initPicker($picker);
}
}
// Wrap the existing headline
$this->Template->headline = '<span>' . $this->Template->headline . '</span>';
// AJAX request
if ($_POST && Environment::get('isAjaxRequest'))
{
$this->objAjax->executePostActions($dc);
}
// Trigger the module callback
elseif (class_exists($arrModule['callback']))
{
/** @var Module $objCallback */
$objCallback = new $arrModule['callback']($dc);
$this->Template->main .= $objCallback->generate();
}
// Custom action (if key is not defined in config.php the default action will be called)
elseif (Input::get('key') && isset($arrModule[Input::get('key')]))
{
$objCallback = System::importStatic($arrModule[Input::get('key')][0]);
$response = $objCallback->{$arrModule[Input::get('key')][1]}($dc);
if ($response instanceof RedirectResponse)
{
throw new ResponseException($response);
}
elseif ($response instanceof Response)
{
$response = $response->getContent();
}
$this->Template->main .= $response;
// Add the name of the parent element
if (isset($_GET['table']) && !empty($GLOBALS['TL_DCA'][$strTable]['config']['ptable']) && \in_array(Input::get('table'), $arrTables) && Input::get('table') != $arrTables[0])
{
$objRow = $this->Database->prepare("SELECT * FROM " . $GLOBALS['TL_DCA'][$strTable]['config']['ptable'] . " WHERE id=(SELECT pid FROM $strTable WHERE id=?)")
->limit(1)
->execute(Input::get('id'));
if ($objRow->title != '')
{
$this->Template->headline .= ' › <span>' . $objRow->title . '</span>';
}
elseif ($objRow->name != '')
{
$this->Template->headline .= ' › <span>' . $objRow->name . '</span>';
}
}
// Add the name of the submodule
$this->Template->headline .= ' › <span>' . sprintf($GLOBALS['TL_LANG'][$strTable][Input::get('key')][1], Input::get('id')) . '</span>';
}
// Default action
elseif (\is_object($dc))
{
$act = Input::get('act');
if ($act == '' || $act == 'paste' || $act == 'select')
{
$act = ($dc instanceof \listable) ? 'showAll' : 'edit';
}
switch ($act)
{
case 'delete':
case 'show':
case 'showAll':
case 'undo':
if (!$dc instanceof \listable)
{
$this->log('Data container ' . $strTable . ' is not listable', __METHOD__, TL_ERROR);
trigger_error('The current data container is not listable', E_USER_ERROR);
}
break;
case 'create':
case 'cut':
case 'cutAll':
case 'copy':
case 'copyAll':
case 'move':
case 'edit':
if (!$dc instanceof \editable)
{
$this->log('Data container ' . $strTable . ' is not editable', __METHOD__, TL_ERROR);
trigger_error('The current data container is not editable', E_USER_ERROR);
}
break;
}
// Add the name of the parent elements
if ($strTable && \in_array($strTable, $arrTables) && $strTable != $arrTables[0])
{
$trail = array();
$pid = $dc->id;
$table = $strTable;
$ptable = (Input::get('act') != 'edit') ? $GLOBALS['TL_DCA'][$strTable]['config']['ptable'] : $strTable;
while ($ptable && !\in_array($GLOBALS['TL_DCA'][$table]['list']['sorting']['mode'], array(5, 6)))
{
$objRow = $this->Database->prepare("SELECT * FROM " . $ptable . " WHERE id=?")
->limit(1)
->execute($pid);
// Add only parent tables to the trail
if ($table != $ptable)
{
// Add table name
if (isset($GLOBALS['TL_LANG']['MOD'][$table]))
{
$trail[] = ' › <span>'. $GLOBALS['TL_LANG']['MOD'][$table] . '</span>';
}
// Add object title or name
if ($objRow->title != '')
{
$trail[] = ' › <span>' . $objRow->title . '</span>';
}
elseif ($objRow->name != '')
{
$trail[] = ' › <span>' . $objRow->name . '</span>';
}
elseif ($objRow->headline != '')
{
$trail[] = ' › <span>' . $objRow->headline . '</span>';
}
}
$this->loadDataContainer($ptable);
// Next parent table
$pid = $objRow->pid;
$table = $ptable;
$ptable = ($GLOBALS['TL_DCA'][$ptable]['config']['dynamicPtable']) ? $objRow->ptable : $GLOBALS['TL_DCA'][$ptable]['config']['ptable'];
}
// Add the last parent table
if (isset($GLOBALS['TL_LANG']['MOD'][$table]))
{
$trail[] = ' › <span>'. $GLOBALS['TL_LANG']['MOD'][$table] . '</span>';
}
// Add the breadcrumb trail in reverse order
foreach (array_reverse($trail) as $breadcrumb)
{
$this->Template->headline .= $breadcrumb;
}
}
// Add the current action
if (Input::get('act') == 'editAll')
{
if (isset($GLOBALS['TL_LANG']['MSC']['all'][0]))
{
$this->Template->headline .= ' › <span>' . $GLOBALS['TL_LANG']['MSC']['all'][0] . '</span>';
}
}
elseif (Input::get('act') == 'overrideAll')
{
if (isset($GLOBALS['TL_LANG']['MSC']['all_override'][0]))
{
$this->Template->headline .= ' › <span>' . $GLOBALS['TL_LANG']['MSC']['all_override'][0] . '</span>';
}
}
else
{
if (Input::get('id'))
{
if (Input::get('do') == 'files' || Input::get('do') == 'tpl_editor')
{
// Handle new folders (see #7980)
if (strpos(Input::get('id'), '__new__') !== false)
{
$this->Template->headline .= ' › <span>' . \dirname(Input::get('id')) . '</span> › <span>' . $GLOBALS['TL_LANG'][$strTable]['new'][1] . '</span>';
}
else
{
$this->Template->headline .= ' › <span>' . Input::get('id') . '</span>';
}
}
elseif (isset($GLOBALS['TL_LANG'][$strTable][$act][1]))
{
$this->Template->headline .= ' › <span>' . sprintf($GLOBALS['TL_LANG'][$strTable][$act][1], Input::get('id')) . '</span>';
}
}
elseif (Input::get('pid'))
{
if (Input::get('do') == 'files' || Input::get('do') == 'tpl_editor')
{
if (Input::get('act') == 'move')
{
$this->Template->headline .= ' › <span>' . Input::get('pid') . '</span> › <span>' . $GLOBALS['TL_LANG'][$strTable]['move'][1] . '</span>';
}
else
{
$this->Template->headline .= ' › <span>' . Input::get('pid') . '</span>';
}
}
elseif (isset($GLOBALS['TL_LANG'][$strTable][$act][1]))
{
$this->Template->headline .= ' › <span>' . sprintf($GLOBALS['TL_LANG'][$strTable][$act][1], Input::get('pid')) . '</span>';
}
}
}
return $dc->$act();
}
return null;
}
/**
* Get all searchable pages and return them as array
*
* @param integer $pid
* @param string $domain
* @param boolean $blnIsSitemap
*
* @return array
*/
public static function findSearchablePages($pid=0, $domain='', $blnIsSitemap=false)
{
$objPages = PageModel::findPublishedByPid($pid, array('ignoreFePreview'=>true));
if ($objPages === null)
{
return array();
}
$arrPages = array();
// Recursively walk through all subpages
foreach ($objPages as $objPage)
{
if ($objPage->type == 'regular')
{
// Searchable and not protected
if ((!$objPage->noSearch || $blnIsSitemap) && (!$objPage->protected || (Config::get('indexProtected') && (!$blnIsSitemap || $objPage->sitemap == 'map_always'))) && (!$blnIsSitemap || $objPage->sitemap != 'map_never') && !$objPage->requireItem)
{
$arrPages[] = $objPage->getAbsoluteUrl();
// Get articles with teaser
if (($objArticles = ArticleModel::findPublishedWithTeaserByPid($objPage->id, array('ignoreFePreview'=>true))) !== null)
{
foreach ($objArticles as $objArticle)
{
$arrPages[] = $objPage->getAbsoluteUrl('/articles/' . ($objArticle->alias ?: $objArticle->id));
}
}
}
}
// Get subpages
if ((!$objPage->protected || Config::get('indexProtected')) && ($arrSubpages = static::findSearchablePages($objPage->id, $domain, $blnIsSitemap)))
{
$arrPages = array_merge($arrPages, $arrSubpages);
}
}
return $arrPages;
}
/**
* Add the file meta information to the request
*
* @param string $strUuid
* @param string $strPtable
* @param integer $intPid
*
* @deprecated Deprecated since Contao 4.4, to be removed in Contao 5.0.
*/
public static function addFileMetaInformationToRequest($strUuid, $strPtable, $intPid)
{
@trigger_error('Using Backend::addFileMetaInformationToRequest() has been deprecated and will no longer work in Contao 5.0.', E_USER_DEPRECATED);
$objFile = FilesModel::findByUuid($strUuid);
if ($objFile === null)
{
return;
}
$arrMeta = StringUtil::deserialize($objFile->meta);
if (empty($arrMeta))
{
return;
}
$objPage = null;
if ($strPtable == 'tl_article')
{
$objPage = PageModel::findOneBy(array('tl_page.id=(SELECT pid FROM tl_article WHERE id=?)'), $intPid);
}
else
{
// HOOK: support custom modules
if (isset($GLOBALS['TL_HOOKS']['addFileMetaInformationToRequest']) && \is_array($GLOBALS['TL_HOOKS']['addFileMetaInformationToRequest']))
{
foreach ($GLOBALS['TL_HOOKS']['addFileMetaInformationToRequest'] as $callback)
{
if (($val = System::importStatic($callback[0])->{$callback[1]}($strPtable, $intPid)) !== false)
{
$objPage = $val;
}
}
if ($objPage instanceof Result && $objPage->numRows < 1)
{
return;
}
if (\is_object($objPage) && !($objPage instanceof PageModel))
{
$objPage = PageModel::findByPk($objPage->id);
}
}
}
if ($objPage === null)
{
return;
}
$objPage->loadDetails();
// Convert the language to a locale (see #5678)
$strLanguage = str_replace('-', '_', $objPage->rootLanguage);
if (isset($arrMeta[$strLanguage]))
{
if (!empty($arrMeta[$strLanguage]['title']) && Input::post('title') == '')
{
Input::setPost('title', $arrMeta[$strLanguage]['title']);
}
if (!empty($arrMeta[$strLanguage]['alt']) && Input::post('alt') == '')
{
Input::setPost('alt', $arrMeta[$strLanguage]['alt']);
}
if (!empty($arrMeta[$strLanguage]['caption']) && Input::post('caption') == '')
{
Input::setPost('caption', $arrMeta[$strLanguage]['caption']);
}
}
}
/**
* Add a breadcrumb menu to the page tree
*
* @param string $strKey
*
* @throws AccessDeniedException
* @throws \RuntimeException
*/
public static function addPagesBreadcrumb($strKey='tl_page_node')
{
/** @var AttributeBagInterface $objSession */
$objSession = System::getContainer()->get('session')->getBag('contao_backend');
// Set a new node
if (isset($_GET['pn']))
{
// Check the path (thanks to Arnaud Buchoux)
if (Validator::isInsecurePath(Input::get('pn', true)))
{
throw new \RuntimeException('Insecure path ' . Input::get('pn', true));
}
$objSession->set($strKey, Input::get('pn', true));
Controller::redirect(preg_replace('/&pn=[^&]*/', '', Environment::get('request')));
}
$intNode = $objSession->get($strKey);
if ($intNode < 1)
{
return;
}
// Check the path (thanks to Arnaud Buchoux)
if (Validator::isInsecurePath($intNode))
{
throw new \RuntimeException('Insecure path ' . $intNode);
}
$arrIds = array();
$arrLinks = array();
$objUser = BackendUser::getInstance();
// Generate breadcrumb trail
if ($intNode)
{
$intId = $intNode;
$objDatabase = Database::getInstance();
do
{
$objPage = $objDatabase->prepare("SELECT * FROM tl_page WHERE id=?")
->limit(1)
->execute($intId);
if ($objPage->numRows < 1)
{
// Currently selected page does not exist
if ($intId == $intNode)
{
$objSession->set($strKey, 0);
return;
}
break;
}
$arrIds[] = $intId;
// No link for the active page
if ($objPage->id == $intNode)
{
$arrLinks[] = self::addPageIcon($objPage->row(), '', null, '', true) . ' ' . $objPage->title;
}
else
{
$arrLinks[] = self::addPageIcon($objPage->row(), '', null, '', true) . ' <a href="' . self::addToUrl('pn='.$objPage->id) . '" title="'.StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['selectNode']).'">' . $objPage->title . '</a>';
}
// Do not show the mounted pages
if (!$objUser->isAdmin && $objUser->hasAccess($objPage->id, 'pagemounts'))
{
break;
}
$intId = $objPage->pid;
}
while ($intId > 0 && $objPage->type != 'root');
}
// Check whether the node is mounted
if (!$objUser->hasAccess($arrIds, 'pagemounts'))
{
$objSession->set($strKey, 0);
throw new AccessDeniedException('Page ID ' . $intNode . ' is not mounted.');
}
// Limit tree
$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['root'] = array($intNode);
// Add root link
$arrLinks[] = Image::getHtml('pagemounts.svg') . ' <a href="' . self::addToUrl('pn=0') . '" title="'.StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['selectAllNodes']).'">' . $GLOBALS['TL_LANG']['MSC']['filterAll'] . '</a>';
$arrLinks = array_reverse($arrLinks);
// Insert breadcrumb menu
$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['breadcrumb'] .= '
<nav aria-label="' . $GLOBALS['TL_LANG']['MSC']['breadcrumbMenu'] . '">
<ul id="tl_breadcrumb">
<li>' . implode(' › </li><li>', $arrLinks) . '</li>
</ul>
</nav>';
}
/**
* Add an image to each page in the tree
*
* @param array $row
* @param string $label
* @param DataContainer $dc
* @param string $imageAttribute
* @param boolean $blnReturnImage
* @param boolean $blnProtected
*
* @return string
*/
public static function addPageIcon($row, $label, DataContainer $dc=null, $imageAttribute='', $blnReturnImage=false, $blnProtected=false)
{
if ($blnProtected)
{
$row['protected'] = true;
}
$image = Controller::getPageStatusIcon((object) $row);
$imageAttribute = trim($imageAttribute . ' data-icon="' . Controller::getPageStatusIcon((object) array_merge($row, array('published'=>'1'))) . '" data-icon-disabled="' . Controller::getPageStatusIcon((object) array_merge($row, array('published'=>''))) . '"');
// Return the image only
if ($blnReturnImage)
{
return Image::getHtml($image, '', $imageAttribute);
}
// Mark root pages
if ($row['type'] == 'root' || Input::get('do') == 'article')
{
$label = '<strong>' . $label . '</strong>';
}
// Add the breadcrumb link
$label = '<a href="' . self::addToUrl('pn='.$row['id']) . '" title="'.StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['selectNode']).'">' . $label . '</a>';
// Return the image
return '<a href="contao/main.php?do=feRedirect&page='.$row['id'].'" title="'.StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['view']).'" target="_blank">'.Image::getHtml($image, '', $imageAttribute).'</a> '.$label;
}
/**
* Return the system messages as HTML
*
* @return string The messages HTML markup
*/
public static function getSystemMessages()
{
$strMessages = '';
// HOOK: add custom messages
if (isset($GLOBALS['TL_HOOKS']['getSystemMessages']) && \is_array($GLOBALS['TL_HOOKS']['getSystemMessages']))
{
$arrMessages = array();
foreach ($GLOBALS['TL_HOOKS']['getSystemMessages'] as $callback)
{
$strBuffer = System::importStatic($callback[0])->{$callback[1]}();
if ($strBuffer != '')
{
$arrMessages[] = $strBuffer;
}
}
if (!empty($arrMessages))
{
$strMessages .= implode("\n", $arrMessages);
}
}
return $strMessages;
}
/**
* 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);
}
$rootDir = System::getContainer()->getParameter('kernel.project_dir');
// Currently selected folder does not exist
if (!is_dir($rootDir . '/' . $strNode))
{
$objSession->set($strKey, '');
return;
}
$objUser = BackendUser::getInstance();
$strPath = Config::get('uploadPath');
$arrNodes = explode('/', preg_replace('/^' . preg_quote(Config::get('uploadPath'), '/') . '\//', '', $strNode));