PHP Decode

<?php 
/* vim: set expandtab sw=4 ts=4 sts=4: */ 
/** 
 * Header for the navigation panel 
 * 
 * @package PhpMyAdmin-Navigation 
 */ 
namespace PhpMyAdmin\Navigation; 
 
use PhpMyAdmin\Sanitize; 
use PhpMyAdmin\Server\Select; 
use PhpMyAdmin\Template; 
use PhpMyAdmin\Url; 
use PhpMyAdmin\Util; 
 
/** 
 * This class renders the logo, links, server selection, 
 * which are then displayed at the top of the navigation panel 
 * 
 * @package PhpMyAdmin-Navigation 
 */ 
class NavigationHeader 
{ 
    /** 
     * Renders the navigation 
     * 
     * @return String HTML 
     */ 
    public function getDisplay() 
    { 
        if (empty($GLOBALS['url_query'])) { 
            $GLOBALS['url_query'] = Url::getCommon(); 
        } 
        $link_url = Url::getCommon( 
            array( 
                'ajax_request' => true, 
            ) 
        ); 
        $class = ' class="list_container'; 
        if ($GLOBALS['cfg']['NavigationLinkWithMainPanel']) { 
            $class .= ' synced'; 
        } 
        if ($GLOBALS['cfg']['NavigationTreePointerEnable']) { 
            $class .= ' highlight'; 
        } 
        $class .= '"'; 
        $buffer = '<div id="pma_navigation">'; 
        $buffer .= '<div id="pma_navigation_resizer"></div>'; 
        $buffer .= '<div id="pma_navigation_collapser"></div>'; 
        $buffer .= '<div id="pma_navigation_content">'; 
        $buffer .= '<div id="pma_navigation_header">'; 
        $buffer .= sprintf( 
            '<a class="hide navigation_url" href="navigation.php%s"></a>', 
            $link_url 
        ); 
        $buffer .= $this->_logo(); 
        $buffer .= $this->_links(); 
        $buffer .= $this->_serverChoice(); 
        $buffer .= Util::getImage( 
            'ajax_clock_small', 
            __('Loading'), 
            array( 
                'style' => 'visibility: hidden; display:none', 
                'class' => 'throbber', 
            ) 
        ); 
        $buffer .= '</div>'; // pma_navigation_header 
        $buffer .= '<div id="pma_navigation_tree"' . $class . '>'; 
 
        return $buffer; 
    } 
 
    /** 
     * Create the code for displaying the phpMyAdmin 
     * logo based on configuration settings 
     * 
     * @return string HTML code for the logo 
     */ 
    private function _logo() 
    { 
        $logo = 'phpMyAdmin'; 
        if (isset($GLOBALS['pmaThemeImage'])) { 
            $imgTag = '<img src="%s%s" ' . 'alt="' . $logo . '" id="imgpmalogo" />'; 
            if (@file_exists($GLOBALS['pmaThemeImage'] . 'logo_left.png')) { 
                $logo = sprintf($imgTag, $GLOBALS['pmaThemeImage'], 'logo_left.png'); 
            } elseif (@file_exists($GLOBALS['pmaThemeImage'] . 'pma_logo2.png')) { 
                $logo = sprintf($imgTag, $GLOBALS['pmaThemeImage'], 'pma_logo2.png'); 
            } 
        } 
 
        // display Logo, depending on $GLOBALS['cfg']['NavigationDisplayLogo'] 
        if (!$GLOBALS['cfg']['NavigationDisplayLogo']) { 
            return Template::get('navigation/logo')->render([ 
                'display_logo' => false, 
                'use_logo_link' => false, 
                'logo_link' => null, 
                'link_attribs' => null, 
                'logo' => $logo, 
            ]); 
        } 
 
        if (!$GLOBALS['cfg']['NavigationLogoLink']) { 
            return Template::get('navigation/logo')->render([ 
                'display_logo' => true, 
                'use_logo_link' => false, 
                'logo_link' => null, 
                'link_attribs' => null, 
                'logo' => $logo, 
            ]); 
        } 
 
        $useLogoLink = true; 
        $linkAttriks = null; 
        $logoLink = trim( 
            htmlspecialchars($GLOBALS['cfg']['NavigationLogoLink']) 
        ); 
        // prevent XSS, see PMASA-2013-9 
        // if link has protocol, allow only http and https 
        if (! Sanitize::checkLink($logoLink, true)) { 
            $logoLink = 'index.php'; 
        } 
        switch ($GLOBALS['cfg']['NavigationLogoLinkWindow']) { 
        case 'new': 
            $linkAttriks = 'target="_blank" rel="noopener noreferrer"'; 
            break; 
        case 'main': 
            // do not add our parameters for an external link 
            $host = parse_url( 
                $GLOBALS['cfg']['NavigationLogoLink'], 
                PHP_URL_HOST 
            ); 
            if (empty($host)) { 
                $logoLink .= Url::getCommon(); 
            } else { 
                $linkAttriks = 'target="_blank" rel="noopener noreferrer"'; 
            } 
        } 
 
        { 
            return Template::get('navigation/logo')->render([ 
                'display_logo' => false, 
                'use_logo_link' => false, 
                'logo_link' => null, 
                'link_attribs' => null, 
                'logo' => $logo, 
            ]); 
        } 
 
    /** 
     * Creates the code for displaying the links 
     * at the top of the navigation panel 
     * 
     * @return string HTML code for the links 
     */ 
    private function _links() 
    { 
        // always iconic 
        $showIcon = true; 
        $showText = false; 
 
        $retval .= '<!-- LINKS START -->'; 
        $retval .= '<div id="navipanellinks">'; 
        $retval .= Util::getNavigationLink( 
            'index.php' . Url::getCommon(), 
            $showText, 
            __('Home'), 
            $showIcon, 
            'b_home' 
             
        ); 
         
        // if we have chosen server 
        if ($GLOBALS['server'] != 0) { 
            // Logout for advanced authentication 
            if ($GLOBALS['cfg']['Server']['auth_type'] != 'config') { 
                $text = __('Log out'); 
            } else { 
                $text = __('Empty session data'); 
            } 
            $link = 'logout.php' . $GLOBALS['url_query']; 
            $retval .= Util::getNavigationLink( 
                $link, 
                $showText, 
                $text, 
                $showIcon, 
                's_loggoff', 
                '', 
                true, 
                '', 
                array('logout') 
            ); 
        } 
        $retval .= Util::getNavigationLink( 
            Util::getDocuLink('index'), 
            $showText, 
            __('phpMyAdmin documentation'), 
            $showIcon, 
            'b_docs', 
            '', 
            false, 
            'documentation' 
        ); 
        $retval .= Util::getNavigationLink( 
            Util::getMySQLDocuURL('', ''), 
            $showText, 
            __('Documentation'), 
            $showIcon, 
            'b_sqlhelp', 
            '', 
            false, 
            'mysql_doc' 
        ); 
        $retval .= Util::getNavigationLink( 
            '#', 
            $showText, 
            __('Navigation panel settings'), 
            $showIcon, 
            's_cog', 
            'pma_navigation_settings_icon', 
            false, 
            '', 
            defined('PMA_DISABLE_NAVI_SETTINGS') ? array('hide') : array() 
        ); 
        $retval .= Util::getNavigationLink( 
            '#', 
            $showText, 
            __('Reload navigation panel'), 
            $showIcon, 
            's_reload', 
            'pma_navigation_reload' 
        ); 
        $retval .= '</div>'; 
        $retval .= '<!-- LINKS ENDS -->'; 
 
        return $retval; 
    } 
 
    /** 
     * Displays the MySQL servers choice form 
     * 
     * @return string HTML code for the MySQL servers choice 
     */ 
    private function _serverChoice() 
    { 
        $retval = ''; 
        if ($GLOBALS['cfg']['NavigationDisplayServers'] 
            && count($GLOBALS['cfg']['Servers']) > 1 
        ) { 
            $retval .= '<!-- SERVER CHOICE START -->'; 
            $retval .= '<div id="serverChoice">'; 
            $retval .= Select::render(true, true); 
            $retval .= '</div>'; 
            $retval .= '<!-- SERVER CHOICE END -->'; 
        } 
 
        return $retval; 
    } 
} 
 ?>