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<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * Used to render the footer of PMA's pages * * @package PhpMyAdmin */ declare(strict_types=1); namespace PhpMyAdmin; use Traversable; /** * Class used to output the footer * * @package PhpMyAdmin */ class Footer { /** * Scripts instance * * @access private * @var Scripts */ private $_scripts; /** * Whether we are servicing an ajax request. * * @access private * @var bool */ private $_isAjax; /** * Whether to only close the BODY and HTML tags * or also include scripts, errors and links * * @access private * @var bool */ private $_isMinimal; /** * Whether to display anything * * @access private * @var bool */ private $_isEnabled; /** * @var Relation */ private $relation; /** * @var Template */ private $template; /** * Creates a new class instance */ public function __construct() { $this->template = new Template(); $this->_isEnabled = true; $this->_scripts = new Scripts(); $this->_isMinimal = false; $this->relation = new Relation($GLOBALS['dbi']); } /** * Returns the message for demo server to error messages * * @return string */ private function _getDemoMessage(): string { $message = '<a href="/">' . __('phpMyAdmin Demo Server') . '</a>: '; if (@file_exists(ROOT_PATH . 'revision-info.php')) { include ROOT_PATH . 'revision-info.php'; $message .= sprintf( __('Currently running Git revision %1$s from the %2$s branch.'), '<a target="_blank" rel="noopener noreferrer" href="' . htmlspecialchars($repobase . $fullrevision) . '">' . htmlspecialchars($revision) . '</a>', '<a target="_blank" rel="noopener noreferrer" href="' . htmlspecialchars($repobranchbase . $branch) . '">' . htmlspecialchars($branch) . '</a>' ); } else { $message .= __('Git information missing!'); } return Message::notice($message)->getDisplay(); } /** * Remove recursions and iterator objects from an object * * @param object|array $object Object to clean * @param array $stack Stack used to keep track of recursion, * need not be passed for the first time * * @return object Reference passed object */ private static function _removeRecursion(&$object, array $stack = []) { if ((is_object($object) || is_array($object)) && $object) { if ($object instanceof Traversable) { $object = "***ITERATOR***"; } elseif (! in_array($object, $stack, true)) { $stack[] = $object; foreach ($object as &$subobject) { self::_removeRecursion($subobject, $stack); } } else { $object = "***RECURSION***"; } } return $object; } /** * Renders the debug messages * * @return string */ public function getDebugMessage(): string { $retval = '\'null\''; if ($GLOBALS['cfg']['DBG']['sql'] && empty($_REQUEST['no_debug']) && ! empty($_SESSION['debug']) ) { // Remove recursions and iterators from $_SESSION['debug'] self::_removeRecursion($_SESSION['debug']); $retval = json_encode($_SESSION['debug']); $_SESSION['debug'] = []; return json_last_error() ? '\'false\'' : $retval; } $_SESSION['debug'] = []; return $retval; } /** * Returns the url of the current page * * @return string */ public function getSelfUrl(): string { $db = isset($GLOBALS['db']) && strlen($GLOBALS['db']) ? $GLOBALS['db'] : ''; $table = isset($GLOBALS['table']) && strlen($GLOBALS['table']) ? $GLOBALS['table'] : ''; $target = isset($_REQUEST['target']) && strlen($_REQUEST['target']) ? $_REQUEST['target'] : ''; $params = [ 'db' => $db, 'table' => $table, 'server' => $GLOBALS['server'], 'target' => $target, ]; // needed for server privileges tabs if (isset($_GET['viewing_mode']) && in_array($_GET['viewing_mode'], ['server', 'db', 'table']) ) { $params['viewing_mode'] = $_GET['viewing_mode']; } /* * @todo coming from server_privileges.php, here $db is not set, * add the following condition below when that is fixed * && $_GET['checkprivsdb'] == $db */ if (isset($_GET['checkprivsdb']) ) { $params['checkprivsdb'] = $_GET['checkprivsdb']; } /* * @todo coming from server_privileges.php, here $table is not set, * add the following condition below when that is fixed * && $_REQUEST['checkprivstable'] == $table */ if (isset($_GET['checkprivstable']) ) { $params['checkprivstable'] = $_GET['checkprivstable']; } if (isset($_REQUEST['single_table']) && in_array($_REQUEST['single_table'], [true, false]) ) { $params['single_table'] = $_REQUEST['single_table']; } return basename(Core::getenv('SCRIPT_NAME')) . Url::getCommonRaw($params); } /** * Renders the link to open a new page * * @param string $url The url of the page * * @return string */ private function _getSelfLink(string $url): string { $retval = ''; $retval .= '<div id="selflink" class="print_ignore">'; $retval .= '<a href="' . htmlspecialchars($url) . '"' . ' title="' . __('Open new phpMyAdmin window') . '" target="_blank" rel="noopener noreferrer">'; if (Util::showIcons('TabsMode')) { $retval .= Util::getImage( 'window-new', __('Open new phpMyAdmin window') ); } else { $retval .= __('Open new phpMyAdmin window'); } $retval .= '</a>'; $retval .= '</div>'; return $retval; } /** * Renders the link to open a new page * * @return string */ public function getErrorMessages(): string { $retval = ''; if ($GLOBALS['error_handler']->hasDisplayErrors()) { $retval .= $GLOBALS['error_handler']->getDispErrors(); } /** * Report php errors */ $GLOBALS['error_handler']->reportErrors(); return $retval; } /** * Saves query in history * * @return void */ private function _setHistory(): void { if (! Core::isValid($_REQUEST['no_history']) && empty($GLOBALS['error_message']) && ! empty($GLOBALS['sql_query']) && isset($GLOBALS['dbi']) && $GLOBALS['dbi']->isUserType('logged') ) { $this->relation->setHistory( Core::ifSetOr($GLOBALS['db'], ''), Core::ifSetOr($GLOBALS['table'], ''), $GLOBALS['cfg']['Server']['user'], $GLOBALS['sql_query'] ); } } /** * Disables the rendering of the footer * * @return void */ public function disable(): void { $this->_isEnabled = false; } /** * Set the ajax flag to indicate whether * we are servicing an ajax request * * @param bool $isAjax Whether we are servicing an ajax request * * @return void */ public function setAjax(bool $isAjax): void { $this->_isAjax = $isAjax; } /** * Turn on minimal display mode * * @return void */ public function setMinimal(): void { $this->_isMinimal = true; } /** * Returns the Scripts object * * @return Scripts object */ public function getScripts(): Scripts { return $this->_scripts; } /** * Renders the footer * * @return string */ public function getDisplay(): string { $this->_setHistory(); if ($this->_isEnabled) { if (! $this->_isAjax && ! $this->_isMinimal) { if (Core::getenv('SCRIPT_NAME') && empty($_POST) && ! $this->_isAjax ) { $url = $this->getSelfUrl(); $header = Response::getInstance()->getHeader(); $scripts = $header->getScripts()->getFiles(); $menuHash = $header->getMenu()->getHash(); // prime the client-side cache $this->_scripts->addCode( sprintf( 'if (! (history && history.pushState)) ' . 'MicroHistory.primer = {' . ' url: "%s",' . ' scripts: %s,' . ' menuHash: "%s"' . '};', Sanitize::escapeJsString($url), json_encode($scripts), Sanitize::escapeJsString($menuHash) ) ); } if (Core::getenv('SCRIPT_NAME') && ! $this->_isAjax ) { $url = $this->getSelfUrl(); $selfLink = $this->_getSelfLink($url); } $this->_scripts->addCode( 'var debugSQLInfo = ' . $this->getDebugMessage() . ';' ); $errorMessages = $this->getErrorMessages(); $scripts = $this->_scripts->getDisplay(); if ($GLOBALS['cfg']['DBG']['demo']) { $demoMessage = $this->_getDemoMessage(); } $footer = Config::renderFooter(); } return $this->template->render('footer', [ 'is_ajax' => $this->_isAjax, 'is_minimal' => $this->_isMinimal, 'self_link' => $selfLink ?? '', 'error_messages' => $errorMessages ?? '', 'scripts' => $scripts ?? '', 'is_demo' => $GLOBALS['cfg']['DBG']['demo'], 'demo_message' => $demoMessage ?? '', 'footer' => $footer ?? '', ]); } return ''; } }