查看文件: Header.class.php
大小: 22.93 KB
类型: application/octet-stream
<?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/RecentFavoriteTable.class.php'; require_once 'libraries/Menu.class.php'; require_once 'libraries/Console.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 PMA_Scripts */ private $_scripts; /** * PMA_Console instance * * @access private * @var PMA_Console */ private $_console; /** * PMA_Menu instance * * @access private * @var PMA_Menu */ 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 */ public function __construct() { $this->_isEnabled = true; $this->_isAjax = false; $this->_bodyId = ''; $this->_title = ''; $this->_console = new PMA_Console(); $db = ! empty($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() { // Localised strings $params = array('lang' => $GLOBALS['lang']); if (isset($GLOBALS['db'])) { $params['db'] = $GLOBALS['db']; } $this->_scripts->addFile('jquery/jquery-1.11.1.min.js'); $this->_scripts->addFile( 'whitelist.php' . PMA_URL_getCommon($params), false, true ); $this->_scripts->addFile('sprintf.js'); $this->_scripts->addFile('ajax.js'); $this->_scripts->addFile('keyhandler.js'); $this->_scripts->addFile('jquery/jquery-ui-1.11.2.min.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'); $this->_scripts->addFile('menu-resizer.js'); // Cross-framing protection if ($GLOBALS['cfg']['AllowThirdPartyFraming'] === false) { $this->_scripts->addFile('cross_framing_protection.js'); } $this->_scripts->addFile('rte.js'); if ($GLOBALS['cfg']['SendErrorReports'] !== 'never') { $this->_scripts->addFile('tracekit/tracekit.js'); $this->_scripts->addFile('error_report.js'); } // Here would not be a good place to add CodeMirror because // the user preferences have not been merged at this point $this->_scripts->addFile('messages.php' . PMA_URL_getCommon($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('doclinks.js'); $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'] : ''; $pftext = ! empty($_SESSION['tmpval']['pftext']) ? $_SESSION['tmpval']['pftext'] : ''; // not sure when this happens, but it happens if (! isset($GLOBALS['collation_connection'])) { $GLOBALS['collation_connection'] = 'utf8_general_ci'; } $params = array( 'common_query' => PMA_URL_getCommon(array(), 'text'), 'opendb_url' => $GLOBALS['cfg']['DefaultTabDatabase'], 'safari_browser' => PMA_USR_BROWSER_AGENT == 'SAFARI' ? 1 : 0, 'collation_connection' => $GLOBALS['collation_connection'], 'lang' => $GLOBALS['lang'], 'server' => $GLOBALS['server'], 'table' => $table, 'db' => $db, 'token' => $_SESSION[' PMA_token '], 'text_dir' => $GLOBALS['text_dir'], 'show_databases_navigation_as_tree'=> $GLOBALS['cfg']['ShowDatabasesNavigationAsTree'], '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'] ), 'pma_text_left_default_tab2' => PMA_Util::getTitleForTarget( $GLOBALS['cfg']['NavigationTreeDefaultTabTable2'] ), 'LimitChars' => $GLOBALS['cfg']['LimitChars'], 'pftext' => $pftext, 'confirm' => $GLOBALS['cfg']['Confirm'], 'LoginCookieValidity' => $GLOBALS['cfg']['LoginCookieValidity'], 'logged_in' => isset($GLOBALS['userlink']) ? true : false ); if (isset($GLOBALS['cfg']['Server']) && isset($GLOBALS['cfg']['Server']['auth_type']) ) { $params['auth_type'] = $GLOBALS['cfg']['Server']['auth_type']; } return $params; } /** * 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 servicing an ajax request * * @param bool $isAjax Whether we are servicing an ajax request * * @return void */ public function setAjax($isAjax) { $this->_isAjax = ($isAjax == true); $this->_console->setAjax($isAjax); } /** * 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 disableMenuAndConsole() { $this->_menuEnabled = false; $this->_console->disable(); } /** * 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->disableMenuAndConsole(); $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/sql/sql.js'); $this->_scripts->addFile('codemirror/addon/runmode/runmode.js'); $this->_scripts->addFile('codemirror/addon/hint/show-hint.js'); $this->_scripts->addFile('codemirror/addon/hint/sql-hint.js'); } $this->_scripts->addFiles($this->_console->getScripts()); if ($this->_userprefsOfferImport) { $this->_scripts->addFile('config.js'); } $retval .= $this->_scripts->getDisplay(); $retval .= '<noscript>'; $retval .= '<style>html{display:block}</style>'; $retval .= '</noscript>'; $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)) { $retval .= '<div id="pma_header">'; ob_start(); include CUSTOM_HEADER_FILE; $retval .= ob_get_contents(); ob_end_clean(); $retval .= '</div>'; } // offer to load user preferences from localStorage if ($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(); $retval .= '<span id="lock_page_icon"></span>'; $retval .= sprintf( '<a id="goto_pagetop" href="#">%s</a>', PMA_Util::getImage( 's_top.png', __('Click on the bar to scroll to top of page') ) ); } $retval .= $this->_console->getDisplay(); $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 $retval; } /** * Sends out the HTTP headers * * @return void */ public function sendHttpHeaders() { if (defined('TESTSUITE') && ! defined('PMA_TEST_HEADERS')) { return; } if ($GLOBALS['PMA_Config']->isHttps()) { $map_tile_urls = ''; } else { $map_tile_urls = ' *.tile.openstreetmap.org *.tile.opencyclemap.org'; } /** * Sends http headers */ $GLOBALS['now'] = gmdate('D, d M Y H:i:s') . ' GMT'; if (!empty($GLOBALS['cfg']['CaptchaLoginPrivateKey']) && !empty($GLOBALS['cfg']['CaptchaLoginPublicKey']) ) { $captcha_url = ' https://apis.google.com https://www.google.com/recaptcha/' . ' https://www.gstatic.com/recaptcha/ https://ssl.gstatic.com/ '; } else { $captcha_url = ''; } /* Prevent against ClickJacking by disabling framing */ if (! $GLOBALS['cfg']['AllowThirdPartyFraming']) { header( 'X-Frame-Options: DENY' ); } header( "Content-Security-Policy: default-src 'self' " . $captcha_url . $GLOBALS['cfg']['CSPAllow'] . ';' . "script-src 'self' 'unsafe-inline' 'unsafe-eval' " . $captcha_url . $GLOBALS['cfg']['CSPAllow'] . ';' . ";" . "style-src 'self' 'unsafe-inline' " . $captcha_url . $GLOBALS['cfg']['CSPAllow'] . ";" . "img-src 'self' data: " . $GLOBALS['cfg']['CSPAllow'] . $map_tile_urls . $captcha_url . ";" ); header( "X-Content-Security-Policy: default-src 'self' " . $captcha_url . $GLOBALS['cfg']['CSPAllow'] . ';' . "options inline-script eval-script;" . "img-src 'self' data: " . $GLOBALS['cfg']['CSPAllow'] . $map_tile_urls . $captcha_url . ";" ); header( "X-WebKit-CSP: default-src 'self' " . $captcha_url . $GLOBALS['cfg']['CSPAllow'] . ';' . "script-src 'self' " . $captcha_url . $GLOBALS['cfg']['CSPAllow'] . " 'unsafe-inline' 'unsafe-eval';" . "style-src 'self' 'unsafe-inline' " . $captcha_url . ';' . "img-src 'self' data: " . $GLOBALS['cfg']['CSPAllow'] . $map_tile_urls . $captcha_url . ";" ); PMA_noCacheHeader(); if (! defined('IS_TRANSFORMATION_WRAPPER')) { // 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' class='"; $retval .= /*overload*/mb_strtolower(PMA_USR_BROWSER_AGENT) . " "; $retval .= /*overload*/mb_strtolower(PMA_USR_BROWSER_AGENT) . intval(PMA_USR_BROWSER_VER) . "'>"; $retval .= '<head>'; 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 id="cfs-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 : ''; $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 { // load jQuery's CSS prior to our theme's CSS, to let the theme // override jQuery's CSS $retval .= '<link rel="stylesheet" type="text/css" href="' . $theme_path . '/jquery/jquery-ui-1.11.2.css" />'; $retval .= '<link rel="stylesheet" type="text/css" href="' . $basedir . 'phpmyadmin.css.php?' . 'nocache=' . $theme_id . $GLOBALS['text_dir'] . '" />'; } 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 && /*overload*/mb_strlen($table) && $GLOBALS['cfg']['NumRecentTables'] > 0 ) { $tmp_result = PMA_RecentFavoriteTable::getInstance('recent') ->add($db, $table); if ($tmp_result === true) { $retval = PMA_RecentFavoriteTable::getHtmlUpdateRecentTables(); } else { $error = $tmp_result; $retval = $error->getDisplay(); } } return $retval; } } ?>
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