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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Used to render the header of PMA's pages
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
require_once 'libraries/Scripts.class.php';
require_once 'libraries/RecentTable.class.php';
require_once 'libraries/Menu.class.php';
require_once 'libraries/navigation/Navigation.class.php';
require_once 'libraries/url_generating.lib.php';
/**
* Class used to output the HTTP and HTML headers
*
* @package PhpMyAdmin
*/
class PMA_Header
{
/**
* PMA_Scripts instance
*
* @access private
* @var object
*/
private $_scripts;
/**
* PMA_Menu instance
*
* @access private
* @var object
*/
private $_menu;
/**
* Whether to offer the option of importing user settings
*
* @access private
* @var bool
*/
private $_userprefsOfferImport;
/**
* The page title
*
* @access private
* @var string
*/
private $_title;
/**
* The value for the id attribute for the body tag
*
* @access private
* @var string
*/
private $_bodyId;
/**
* Whether to show the top menu
*
* @access private
* @var bool
*/
private $_menuEnabled;
/**
* Whether to show the warnings
*
* @access private
* @var bool
*/
private $_warningsEnabled;
/**
* Whether the page is in 'print view' mode
*
* @access private
* @var bool
*/
private $_isPrintView;
/**
* Whether we are servicing an ajax request.
* We can't simply use $GLOBALS['is_ajax_request']
* here since it may have not been initialised yet.
*
* @access private
* @var bool
*/
private $_isAjax;
/**
* Whether to display anything
*
* @access private
* @var bool
*/
private $_isEnabled;
/**
* Whether the HTTP headers (and possibly some HTML)
* have already been sent to the browser
*
* @access private
* @var bool
*/
private $_headerIsSent;
/**
* Creates a new class instance
*
* @return new PMA_Header object
*/
public function __construct()
{
$this->_isEnabled = true;
$this->_isAjax = false;
$this->_bodyId = '';
$this->_title = '';
$db = ! empty($GLOBALS['db']) ? $GLOBALS['db'] : '';
$table = ! empty($GLOBALS['table']) ? $GLOBALS['table'] : '';
$this->_menu = new PMA_Menu(
$GLOBALS['server'],
$db,
$table
);
$this->_menuEnabled = true;
$this->_warningsEnabled = true;
$this->_isPrintView = false;
$this->_scripts = new PMA_Scripts();
$this->_addDefaultScripts();
$this->_headerIsSent = false;
// if database storage for user preferences is transient,
// offer to load exported settings from localStorage
// (detection will be done in JavaScript)
$this->_userprefsOfferImport = false;
if ($GLOBALS['PMA_Config']->get('user_preferences') == 'session'
&& ! isset($_SESSION['userprefs_autoload'])
) {
$this->_userprefsOfferImport = true;
}
}
/**
* Loads common scripts
*
* @return void
*/
private function _addDefaultScripts()
{
$this->_scripts->addFile('jquery/jquery-1.8.3.min.js');
$this->_scripts->addFile('ajax.js');
$this->_scripts->addFile('keyhandler.js');
$this->_scripts->addFile('jquery/jquery-ui-1.9.2.custom.min.js');
$this->_scripts->addFile('jquery/jquery.sprintf.js');
$this->_scripts->addFile('jquery/jquery.cookie.js');
$this->_scripts->addFile('jquery/jquery.mousewheel.js');
$this->_scripts->addFile('jquery/jquery.event.drag-2.2.js');
$this->_scripts->addFile('jquery/jquery-ui-timepicker-addon.js');
$this->_scripts->addFile('jquery/jquery.ba-hashchange-1.3.js');
$this->_scripts->addFile('jquery/jquery.debounce-1.0.5.js');
$this->_scripts->addFile('jquery/jquery.menuResizer-1.0.js');
// Cross-framing protection
if ($GLOBALS['cfg']['AllowThirdPartyFraming'] === false) {
$this->_scripts->addFile('cross_framing_protection.js');
}
$this->_scripts->addFile('rte.js');
// Here would not be a good place to add CodeMirror because
// the user preferences have not been merged at this point
// Localised strings
$params = array('lang' => $GLOBALS['lang']);
if (isset($GLOBALS['db'])) {
$params['db'] = $GLOBALS['db'];
}
$this->_scripts->addFile('messages.php' . PMA_generate_common_url($params));
// Append the theme id to this url to invalidate
// the cache on a theme change. Though this might be
// unavailable for fatal errors.
if (isset($_SESSION['PMA_Theme'])) {
$theme_id = urlencode($_SESSION['PMA_Theme']->getId());
} else {
$theme_id = 'default';
}
$this->_scripts->addFile(
'get_image.js.php?theme=' . $theme_id
);
$this->_scripts->addFile('functions.js');
$this->_scripts->addFile('navigation.js');
$this->_scripts->addFile('indexes.js');
$this->_scripts->addFile('common.js');
$this->_scripts->addCode($this->getJsParamsCode());
}
/**
* Returns, as an array, a list of parameters
* used on the client side
*
* @return array
*/
public function getJsParams()
{
$db = ! empty($GLOBALS['db']) ? $GLOBALS['db'] : '';
$table = ! empty($GLOBALS['table']) ? $GLOBALS['table'] : '';
return array(
'common_query' => PMA_generate_common_url('', '', '&'),
'opendb_url' => $GLOBALS['cfg']['DefaultTabDatabase'],
'safari_browser' => PMA_USR_BROWSER_AGENT == 'SAFARI' ? 1 : 0,
'querywindow_height' => $GLOBALS['cfg']['QueryWindowHeight'],
'querywindow_width' => $GLOBALS['cfg']['QueryWindowWidth'],
'collation_connection' => $GLOBALS['collation_connection'],
'lang' => $GLOBALS['lang'],
'server' => $GLOBALS['server'],
'table' => $table,
'db' => $db,
'token' => $_SESSION[' PMA_token '],
'text_dir' => $GLOBALS['text_dir'],
'pma_absolute_uri' => $GLOBALS['cfg']['PmaAbsoluteUri'],
'pma_text_default_tab' => PMA_Util::getTitleForTarget(
$GLOBALS['cfg']['DefaultTabTable']
),
'pma_text_left_default_tab' => PMA_Util::getTitleForTarget(
$GLOBALS['cfg']['NavigationTreeDefaultTabTable']
),
'confirm' => $GLOBALS['cfg']['Confirm']
);
}
/**
* Returns, as a string, a list of parameters
* used on the client side
*
* @return string
*/
public function getJsParamsCode()
{
$params = $this->getJsParams();
foreach ($params as $key => $value) {
$params[$key] = $key . ':"' . PMA_escapeJsString($value) . '"';
}
return 'PMA_commonParams.setAll({' . implode(',', $params) . '});';
}
/**
* Disables the rendering of the header
*
* @return void
*/
public function disable()
{
$this->_isEnabled = false;
}
/**
* Set the ajax flag to indicate whether
* we are sevicing an ajax request
*
* @param bool $isAjax Whether we are sevicing an ajax request
*
* @return void
*/
public function setAjax($isAjax)
{
$this->_isAjax = ($isAjax == true);
}
/**
* Returns the PMA_Scripts object
*
* @return PMA_Scripts object
*/
public function getScripts()
{
return $this->_scripts;
}
/**
* Returns the PMA_Menu object
*
* @return PMA_Menu object
*/
public function getMenu()
{
return $this->_menu;
}
/**
* Setter for the ID attribute in the BODY tag
*
* @param string $id Value for the ID attribute
*
* @return void
*/
public function setBodyId($id)
{
$this->_bodyId = htmlspecialchars($id);
}
/**
* Setter for the title of the page
*
* @param string $title New title
*
* @return void
*/
public function setTitle($title)
{
$this->_title = htmlspecialchars($title);
}
/**
* Disables the display of the top menu
*
* @return void
*/
public function disableMenu()
{
$this->_menuEnabled = false;
}
/**
* Disables the display of the top menu
*
* @return void
*/
public function disableWarnings()
{
$this->_warningsEnabled = false;
}
/**
* Turns on 'print view' mode
*
* @return void
*/
public function enablePrintView()
{
$this->disableMenu();
$this->setTitle(__('Print view') . ' - phpMyAdmin ' . PMA_VERSION);
$this->_isPrintView = true;
}
/**
* Generates the header
*
* @return string The header
*/
public function getDisplay()
{
$retval = '';
if (! $this->_headerIsSent) {
if (! $this->_isAjax && $this->_isEnabled) {
$this->sendHttpHeaders();
$retval .= $this->_getHtmlStart();
$retval .= $this->_getMetaTags();
$retval .= $this->_getLinkTags();
$retval .= $this->getTitleTag();
// The user preferences have been merged at this point
// so we can conditionally add CodeMirror
if ($GLOBALS['cfg']['CodemirrorEnable']) {
$this->_scripts->addFile('codemirror/lib/codemirror.js');
$this->_scripts->addFile('codemirror/mode/mysql/mysql.js');
}
if ($this->_userprefsOfferImport) {
$this->_scripts->addFile('config.js');
}
$retval .= $this->_scripts->getDisplay();
$retval .= $this->_getBodyStart();
if ($this->_menuEnabled && $GLOBALS['server'] > 0) {
$nav = new PMA_Navigation();
$retval .= $nav->getDisplay();
}
// Include possible custom headers
if (file_exists(CUSTOM_HEADER_FILE)) {
ob_start();
include CUSTOM_HEADER_FILE;
$retval .= ob_get_contents();
ob_end_clean();
}
// offer to load user preferences from localStorage
if ($this->_userprefsOfferImport) {
include_once './libraries/user_preferences.lib.php';
$retval .= PMA_userprefsAutoloadGetHeader();
}
// pass configuration for hint tooltip display
// (to be used by PMA_tooltip() in js/functions.js)
if (! $GLOBALS['cfg']['ShowHint']) {
$retval .= '<span id="no_hint" class="hide"></span>';
}
$retval .= $this->_getWarnings();
if ($this->_menuEnabled && $GLOBALS['server'] > 0) {
$retval .= $this->_menu->getDisplay();
$pagetop_link = '<a id="goto_pagetop" href="#" title="%s">%s</a>';
$retval .= sprintf(
$pagetop_link,
__('Click on the bar to scroll to top of page'),
PMA_Util::getImage('s_top.png')
);
}
$retval .= '<div id="page_content">';
$retval .= $this->getMessage();
}
if ($this->_isEnabled && empty($_REQUEST['recent_table'])) {
$retval .= $this->_addRecentTable(
$GLOBALS['db'],
$GLOBALS['table']
);
}
}
return $retval;
}
/**
* Returns the message to be displayed at the top of
* the page, including the executed SQL query, if any.
*
* @return string
*/
public function getMessage()
{
$retval = '';
$message = '';
if (! empty($GLOBALS['message'])) {
$message = $GLOBALS['message'];
unset($GLOBALS['message']);
} else if (! empty($_REQUEST['message'])) {
$message = $_REQUEST['message'];
}
if (! empty($message)) {
if (isset($GLOBALS['buffer_message'])) {
$buffer_message = $GLOBALS['buffer_message'];
}
$retval .= PMA_Util::getMessage($message);
if (isset($buffer_message)) {
$GLOBALS['buffer_message'] = $buffer_message;
}
}
return $retval;
}
/**
* Sends out the HTTP headers
*
* @return void
*/
public function sendHttpHeaders()
{
$https = $GLOBALS['PMA_Config']->isHttps();
$mapTilesUrls = ' *.tile.openstreetmap.org *.tile.opencyclemap.org';
/**
* Sends http headers
*/
$GLOBALS['now'] = gmdate('D, d M Y H:i:s') . ' GMT';
if (! defined('TESTSUITE')) {
/* Prevent against ClickJacking by disabling framing */
if (! $GLOBALS['cfg']['AllowThirdPartyFraming']) {
header(
'X-Frame-Options: DENY'
);
}
header(
"X-Content-Security-Policy: default-src 'self' "
. $GLOBALS['cfg']['CSPAllow'] . ';'
. "options inline-script eval-script;"
. "img-src 'self' data: "
. $GLOBALS['cfg']['CSPAllow']
. ($https ? "" : $mapTilesUrls)
. ";"
);
if (PMA_USR_BROWSER_AGENT == 'SAFARI'
&& PMA_USR_BROWSER_VER < '6.0.0'
) {
header(
"X-WebKit-CSP: allow 'self' "
. $GLOBALS['cfg']['CSPAllow'] . ';'
. "options inline-script eval-script;"
. "img-src 'self' data: "
. $GLOBALS['cfg']['CSPAllow']
. ($https ? "" : $mapTilesUrls)
. ";"
);
} else {
header(
"X-WebKit-CSP: default-src 'self' "
. $GLOBALS['cfg']['CSPAllow'] . ';'
. "script-src 'self' "
. $GLOBALS['cfg']['CSPAllow']
. " 'unsafe-inline' 'unsafe-eval';"
. "style-src 'self' 'unsafe-inline';"
. "img-src 'self' data: "
. $GLOBALS['cfg']['CSPAllow']
. ($https ? "" : $mapTilesUrls)
. ";"
);
}
}
PMA_noCacheHeader();
if (! defined('IS_TRANSFORMATION_WRAPPER') && ! defined('TESTSUITE')) {
// Define the charset to be used
header('Content-Type: text/html; charset=utf-8');
}
$this->_headerIsSent = true;
}
/**
* Returns the DOCTYPE and the start HTML tag
*
* @return string DOCTYPE and HTML tags
*/
private function _getHtmlStart()
{
$lang = $GLOBALS['available_languages'][$GLOBALS['lang']][1];
$dir = $GLOBALS['text_dir'];
$retval = "<!DOCTYPE HTML>";
$retval .= "<html lang='$lang' dir='$dir'>";
return $retval;
}
/**
* Returns the META tags
*
* @return string the META tags
*/
private function _getMetaTags()
{
$retval = '<meta charset="utf-8" />';
$retval .= '<meta name="robots" content="noindex,nofollow" />';
$retval .= '<meta http-equiv="X-UA-Compatible" content="IE=Edge">';
if (! $GLOBALS['cfg']['AllowThirdPartyFraming']) {
$retval .= '<style>html{display: none;}</style>';
}
return $retval;
}
/**
* Returns the LINK tags for the favicon and the stylesheets
*
* @return string the LINK tags
*/
private function _getLinkTags()
{
$retval = '<link rel="icon" href="favicon.ico" '
. 'type="image/x-icon" />'
. '<link rel="shortcut icon" href="favicon.ico" '
. 'type="image/x-icon" />';
// stylesheets
$basedir = defined('PMA_PATH_TO_BASEDIR') ? PMA_PATH_TO_BASEDIR : '';
$common_url = PMA_generate_common_url(array('server' => $GLOBALS['server']));
$theme_id = $GLOBALS['PMA_Config']->getThemeUniqueValue();
$theme_path = $GLOBALS['pmaThemePath'];
if ($this->_isPrintView) {
$retval .= '<link rel="stylesheet" type="text/css" href="'
. $basedir . 'print.css" />';
} else {
$retval .= '<link rel="stylesheet" type="text/css" href="'
. $basedir . 'phpmyadmin.css.php'
. $common_url . '&nocache='
. $theme_id . $GLOBALS['text_dir'] . '" />';
$retval .= '<link rel="stylesheet" type="text/css" href="'
. $theme_path . '/jquery/jquery-ui-1.9.2.custom.css" />';
}
return $retval;
}
/**
* Returns the TITLE tag
*
* @return string the TITLE tag
*/
public function getTitleTag()
{
$retval = "<title>";
$retval .= $this->_getPageTitle();
$retval .= "</title>";
return $retval;
}
/**
* If the page is missing the title, this function
* will set it to something reasonable
*
* @return string
*/
private function _getPageTitle()
{
if (empty($this->_title)) {
if ($GLOBALS['server'] > 0) {
if (! empty($GLOBALS['table'])) {
$temp_title = $GLOBALS['cfg']['TitleTable'];
} else if (! empty($GLOBALS['db'])) {
$temp_title = $GLOBALS['cfg']['TitleDatabase'];
} elseif (! empty($GLOBALS['cfg']['Server']['host'])) {
$temp_title = $GLOBALS['cfg']['TitleServer'];
} else {
$temp_title = $GLOBALS['cfg']['TitleDefault'];
}
$this->_title = htmlspecialchars(
PMA_Util::expandUserString($temp_title)
);
} else {
$this->_title = 'phpMyAdmin';
}
}
return $this->_title;
}
/**
* Returns the close tag to the HEAD
* and the start tag for the BODY
*
* @return string HEAD and BODY tags
*/
private function _getBodyStart()
{
$retval = "</head><body";
if (! empty($this->_bodyId)) {
$retval .= " id='" . $this->_bodyId . "'";
}
$retval .= ">";
return $retval;
}
/**
* Returns some warnings to be displayed at the top of the page
*
* @return string The warnings
*/
private function _getWarnings()
{
$retval = '';
if ($this->_warningsEnabled) {
$retval .= "<noscript>";
$retval .= PMA_message::error(
__("Javascript must be enabled past this point")
)->getDisplay();
$retval .= "</noscript>";
}
return $retval;
}
/**
* Add recently used table and reload the navigation.
*
* @param string $db Database name where the table is located.
* @param string $table The table name
*
* @return string
*/
private function _addRecentTable($db, $table)
{
$retval = '';
if ($this->_menuEnabled && strlen($table) && $GLOBALS['cfg']['NumRecentTables'] > 0) {
$tmp_result = PMA_RecentTable::getInstance()->add($db, $table);
if ($tmp_result === true) {
$params = array('ajax_request' => true, 'recent_table' => true);
$url = 'index.php' . PMA_generate_common_url($params);
$retval = '<a class="hide" id="update_recent_tables"';
$retval .= ' href="' . $url . '"></a>';
} else {
$error = $tmp_result;
$retval = $error->getDisplay();
}
}
return $retval;
}
}
?>