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Alexander Schwarz
2022-11-21 09:47:28 +01:00
commit 76cec83d26
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pma/libraries/classes/Footer.php Normal file
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<?php
/**
* Used to render the footer of PMA's pages
*/
declare(strict_types=1);
namespace PhpMyAdmin;
use Traversable;
use function basename;
use function file_exists;
use function htmlspecialchars;
use function in_array;
use function is_array;
use function is_object;
use function json_encode;
use function json_last_error;
use function sprintf;
use function strlen;
/**
* Class used to output the footer
*/
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()
{
global $dbi;
$this->template = new Template();
$this->isEnabled = true;
$this->scripts = new Scripts();
$this->isMinimal = false;
$this->relation = new Relation($dbi);
}
/**
* Returns the message for demo server to error messages
*/
private function getDemoMessage(): string
{
$message = '<a href="/">' . __('phpMyAdmin Demo Server') . '</a>: ';
if (@file_exists(ROOT_PATH . 'revision-info.php')) {
$revision = '';
$fullrevision = '';
$repobase = '';
$repobranchbase = '';
$branch = '';
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
*/
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
*/
public function getSelfUrl(): string
{
global $route, $db, $table, $server;
$params = [];
if (isset($route)) {
$params['route'] = $route;
}
if (isset($db) && strlen($db) > 0) {
$params['db'] = $db;
}
if (isset($table) && strlen($table) > 0) {
$params['table'] = $table;
}
$params['server'] = $server;
// needed for server privileges tabs
if (isset($_GET['viewing_mode'])
&& in_array($_GET['viewing_mode'], ['server', 'db', 'table'])
) {
$params['viewing_mode'] = $_GET['viewing_mode'];
}
/*
* @todo coming from /server/privileges, 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, 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
*/
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 .= Html\Generator::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
*/
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
*/
private function setHistory(): void
{
global $dbi;
if (Core::isValid($_REQUEST['no_history'])
|| ! empty($GLOBALS['error_message'])
|| empty($GLOBALS['sql_query'])
|| ! isset($dbi)
|| ! $dbi->isConnected()
) {
return;
}
$this->relation->setHistory(
Core::ifSetOr($GLOBALS['db'], ''),
Core::ifSetOr($GLOBALS['table'], ''),
$GLOBALS['cfg']['Server']['user'],
$GLOBALS['sql_query']
);
}
/**
* Disables the rendering of the footer
*/
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
*/
public function setAjax(bool $isAjax): void
{
$this->isAjax = $isAjax;
}
/**
* Turn on minimal display mode
*/
public function setMinimal(): void
{
$this->isMinimal = true;
}
/**
* Returns the Scripts object
*
* @return Scripts object
*/
public function getScripts(): Scripts
{
return $this->scripts;
}
/**
* Renders the footer
*/
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 '';
}
}